Index: trunk/src/libs/curl-7.64.0/COPYING
===================================================================
--- trunk/src/libs/curl-7.64.0/COPYING	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/COPYING	(revision 85671)
@@ -0,0 +1,22 @@
+COPYRIGHT AND PERMISSION NOTICE
+
+Copyright (c) 1996 - 2019, Daniel Stenberg, <daniel@haxx.se>, and many
+contributors, see the THANKS file.
+
+All rights reserved.
+
+Permission to use, copy, modify, and distribute this software for any purpose
+with or without fee is hereby granted, provided that the above copyright
+notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
+OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of a copyright holder shall not
+be used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization of the copyright holder.
Index: trunk/src/libs/curl-7.64.0/Makefile.kmk
===================================================================
--- trunk/src/libs/curl-7.64.0/Makefile.kmk	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/Makefile.kmk	(revision 85671)
@@ -0,0 +1,137 @@
+# $Id: Makefile.kmk 118412 2017-10-17 14:26:02Z bird $
+## @file
+# Sub-Makefile for the libcurl library.
+#
+
+#
+# Copyright (C) 2009-2017 Oracle Corporation
+#
+# Oracle Corporation confidential
+# All rights reserved
+#
+
+SUB_DEPTH = ../../..
+include $(KBUILD_PATH)/subheader.kmk
+
+VBOX_PATH_LIBCURL = $(PATH_ROOT)/src/libs/curl-7.64.0
+
+LIBRARIES += VBox-libcurl
+VBox-libcurl_TEMPLATE       = VBoxR3RuntimeDllNonPedantic
+VBox-libcurl_SDKS           = VBOX_ZLIB VBOX_OPENSSL
+VBox-libcurl_DEFS           = \
+	IN_RT_R3 \
+	CURL_STATICLIB \
+        OPENSSL_NO_ENGINE \
+	BUILDING_LIBCURL \
+	HAVE_CONFIG_H \
+	CURL_DISABLE_GOPHER \
+	CURL_DISABLE_FILE \
+	CURL_DISABLE_DICT \
+	CURL_DISABLE_IMAP \
+	CURL_DISABLE_NTLM \
+	CURL_DISABLE_POP3 \
+	CURL_DISABLE_RTSP \
+	CURL_DISABLE_SMTP \
+	CURL_DISABLE_TELNET
+VBox-libcurl_DEPS           = $(VBox-libcurl_0_OUTDIR)/lib/curl_config.h
+VBox-libcurl_CLEAN          = $(VBox-libcurl_DEPS)
+VBox-libcurl_CFLAGS.win    += -wd4826 # formdata.c(390) : warning C4826: Conversion from 'char *' to 'curl_off_t' is sign-extended. This may cause unexpected runtime behavior.
+VBox-libcurl_CFLAGS.win    += -wd4310 # warnless.c(189) : warning C4310: cast truncates constant value
+VBox-libcurl_CFLAGS.win    += -wd4090 # openssl/lhash.h(198) : warning C4090: 'function' : different 'const' qualifiers
+if "$(VBOX_VCC_TOOL_STEM)" >= "VCC140"
+ VBox-libcurl_CFLAGS.win   += -wd4774 # mprintf.c(949): warning C4774: 'sprintf' : format string expected in argument 2 is not a string literal
+endif
+VBox-libcurl_INCS           = include $(VBox-libcurl_0_OUTDIR)/lib $(VBOX_PATH_LIBCURL)/lib
+VBox-libcurl_SOURCES        = \
+	lib/base64.c \
+	lib/conncache.c \
+	lib/connect.c \
+	lib/content_encoding.c \
+	lib/cookie.c \
+	lib/curl_addrinfo.c \
+	lib/curl_ctype.c \
+	lib/curl_fnmatch.c \
+	lib/curl_memrchr.c \
+	lib/curl_sasl.c \
+	lib/curl_range.c \
+	lib/doh.c \
+	lib/dotdot.c \
+	lib/easy.c \
+	lib/escape.c \
+	lib/fileinfo.c \
+	lib/formdata.c \
+	lib/ftp.c \
+	lib/ftplistparser.c \
+	lib/getenv.c \
+	lib/getinfo.c \
+	lib/hash.c \
+	lib/hmac.c \
+	lib/hostcheck.c \
+	lib/hostip.c \
+	lib/hostip4.c \
+	lib/hostip6.c \
+	lib/hostsyn.c \
+	lib/http.c \
+	lib/http_chunks.c \
+	lib/http_digest.c \
+	lib/http_proxy.c \
+	lib/if2ip.c \
+	lib/inet_ntop.c \
+	lib/inet_pton.c \
+	lib/llist.c \
+	lib/md5.c \
+	lib/mime.c \
+	lib/mprintf.c \
+	lib/multi.c \
+	lib/netrc.c \
+	lib/nonblock.c \
+	lib/parsedate.c \
+	lib/pingpong.c \
+	lib/pipeline.c \
+	lib/progress.c \
+	lib/rand.c \
+	lib/select.c \
+	lib/sendf.c \
+	lib/setopt.c \
+	lib/sha256.c \
+	lib/share.c \
+	lib/slist.c \
+	lib/socks.c \
+	lib/speedcheck.c \
+	lib/splay.c \
+	lib/strcase.c \
+	lib/strdup.c \
+	lib/strerror.c \
+	lib/strtok.c \
+	lib/strtoofft.c \
+	lib/tftp.c \
+	lib/timeval.c \
+	lib/transfer.c \
+	lib/url.c \
+	lib/urlapi.c \
+	lib/vtls/openssl.c \
+	lib/vtls/vtls.c \
+	lib/warnless.c \
+	lib/wildcard.c \
+	lib/version.c \
+	lib/vauth/digest.c \
+	lib/vauth/vauth.c
+VBox-libcurl_SOURCES.win = \
+	lib/system_win32.c
+
+ifdef VBOX_WITH_32_ON_64_MAIN_API # 32-bit edition.
+ LIBRARIES += VBox-libcurl-x86
+ VBox-libcurl-x86_TEMPLATE = VBoxR3DllNonPedantic-x86
+ VBox-libcurl-x86_EXTENDS = VBox-libcurl
+endif
+
+include $(FILE_KBUILD_SUB_FOOTER)
+
+#
+# Use checked in config.h instead of running ./configure for it.
+#
+libcurl_config.h.$(KBUILD_TARGET).$(KBUILD_TARGET_ARCH) := $(VBOX_PATH_LIBCURL)/config.h.$(KBUILD_TARGET).$(KBUILD_TARGET_ARCH)
+
+$$(VBox-libcurl_0_OUTDIR)/lib/curl_config.h: $(libcurl_config.h.$(KBUILD_TARGET).$(KBUILD_TARGET_ARCH)) | $$(dir $$@)
+	$(CP) -f $^ $@
+
Index: trunk/src/libs/curl-7.64.0/README
===================================================================
--- trunk/src/libs/curl-7.64.0/README	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/README	(revision 85671)
@@ -0,0 +1,49 @@
+                                  _   _ ____  _
+                              ___| | | |  _ \| |
+                             / __| | | | |_) | |
+                            | (__| |_| |  _ <| |___
+                             \___|\___/|_| \_\_____|
+
+README
+
+  Curl is a command line tool for transferring data specified with URL
+  syntax. Find out how to use curl by reading the curl.1 man page or the
+  MANUAL document. Find out how to install Curl by reading the INSTALL
+  document.
+
+  libcurl is the library curl is using to do its job. It is readily
+  available to be used by your software. Read the libcurl.3 man page to
+  learn how!
+
+  You find answers to the most frequent questions we get in the FAQ document.
+
+  Study the COPYING file for distribution terms and similar. If you distribute
+  curl binaries or other binaries that involve libcurl, you might enjoy the
+  LICENSE-MIXING document.
+
+CONTACT
+
+  If you have problems, questions, ideas or suggestions, please contact us
+  by posting to a suitable mailing list. See https://curl.haxx.se/mail/
+
+  All contributors to the project are listed in the THANKS document.
+
+WEB SITE
+
+  Visit the curl web site for the latest news and downloads:
+
+        https://curl.haxx.se/
+
+GIT
+
+  To download the very latest source off the GIT server do this:
+
+    git clone https://github.com/curl/curl.git
+
+  (you'll get a directory named curl created, filled with the source code)
+
+NOTICE
+
+  Curl contains pieces of source code that is Copyright (c) 1998, 1999
+  Kungliga Tekniska Högskolan. This notice is included here to comply with the
+  distribution terms.
Index: trunk/src/libs/curl-7.64.0/VBOX-README
===================================================================
--- trunk/src/libs/curl-7.64.0/VBOX-README	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/VBOX-README	(revision 85671)
@@ -0,0 +1,31 @@
+This is libcurl. Only the include & the lib folders are taken from the
+distribution. See http://curl.haxx.se/libcurl/ for more info. We need a valid
+lib/config.h to build the static library. On the UNIX platforms the
+lib/config.h can be generated by using the following configure statement:
+
+  ./configure --enable-http --enable-ftp --enable-file --enable-proxy  --enable-thread --enable-nonblocking --enable-verbose --disable-ares --disable-manual --disable-ldap --disable-ldaps --disable-sspi --enable-crypto-auth --enable-cookies --without-libssh2 --without-nss --without-libidn --without-ca-path --without-gnutls
+
+On Windows-x86 the file lib/config-win32.h has been used as an initial template.
+
+Place this file, Makefile.kmk & the config files in the form
+config.h.TARGET.TARGET_ARCH in this directory after an update.
+
+2019/03/18:
+
+Updated to cURL 7.64.0.
+Downloaded from https://curl.haxx.se/download/
+
+
+2018/11/30:
+
+Updated to cURL 7.62.0.
+
+
+2017/12/14:
+
+Updated to cURL 7.57.0.  Applied the diff against the previous version and fixed.  The config.h.* files were manually updated but not regenerated.  Tested by setting Version.kmk to an old version and running an update check in the GUI.
+
+
+2015/05/04:
+
+Updated to cURL 7.42.1.
Index: trunk/src/libs/curl-7.64.0/config.h.darwin.amd64
===================================================================
--- trunk/src/libs/curl-7.64.0/config.h.darwin.amd64	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/config.h.darwin.amd64	(revision 85671)
@@ -0,0 +1,953 @@
+/* lib/config.h.  Generated from config.h.in by configure.  */
+/* lib/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if you have the $func function. */
+/* #undef AS_TR_CPP */
+
+/* when building libcurl itself */
+/* #undef BUILDING_LIBCURL */
+
+/* Location of default ca bundle */
+/* #undef CURL_CA_BUNDLE */
+
+/* Location of default ca path */
+/* #undef CURL_CA_PATH */
+
+/* to disable cookies support */
+/* #undef CURL_DISABLE_COOKIES */
+
+/* to disable cryptographic authentication */
+/* #undef CURL_DISABLE_CRYPTO_AUTH */
+
+/* to disable DICT */
+/* #undef CURL_DISABLE_DICT */
+
+/* to disable FILE */
+/* #undef CURL_DISABLE_FILE */
+
+/* to disable FTP */
+/* #undef CURL_DISABLE_FTP */
+
+/* to disable HTTP */
+/* #undef CURL_DISABLE_HTTP */
+
+/* to disable LDAP */
+#define CURL_DISABLE_LDAP 1
+
+/* to disable LDAPS */
+#define CURL_DISABLE_LDAPS 1
+
+/* to disable proxies */
+/* #undef CURL_DISABLE_PROXY */
+
+/* to disable TELNET */
+/* #undef CURL_DISABLE_TELNET */
+
+/* to disable TFTP */
+/* #undef CURL_DISABLE_TFTP */
+
+/* to disable verbose strings */
+/* #undef CURL_DISABLE_VERBOSE_STRINGS */
+
+/* to make a symbol visible */
+/* #undef CURL_EXTERN_SYMBOL */
+
+/* to enable hidden symbols */
+/* #undef CURL_HIDDEN_SYMBOLS */
+
+/* W$ LDAP with non-W$ compiler */
+/* #undef CURL_LDAP_HYBRID */
+
+/* Use W$ LDAP implementation */
+/* #undef CURL_LDAP_WIN */
+
+/* when not building a shared library */
+/* #undef CURL_STATICLIB */
+
+/* Set to explicitly specify we don't want to use thread-safe functions */
+/* #undef DISABLED_THREADSAFE */
+
+/* your Entropy Gathering Daemon socket pathname */
+/* #undef EGD_SOCKET */
+
+/* Define if you want to enable IPv6 support */
+#define ENABLE_IPV6 1
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 socklen_t
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 int
+
+/* Specifies the number of arguments to getservbyport_r */
+/* #undef GETSERVBYPORT_R_ARGS */
+
+/* Specifies the size of the buffer to pass to getservbyport_r */
+/* #undef GETSERVBYPORT_R_BUFSIZE */
+
+/* Define to 1 if you have the alarm function. */
+#define HAVE_ALARM 1
+
+/* Define to 1 if you have the <alloca.h> header file. */
+#define HAVE_ALLOCA_H 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <arpa/tftp.h> header file. */
+#define HAVE_ARPA_TFTP_H 1
+
+/* Define to 1 if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the `basename' function. */
+#define HAVE_BASENAME 1
+
+/* Define to 1 if bool is an available type. */
+#define HAVE_BOOL_T 1
+
+/* Define to 1 if you have the clock_gettime function and monotonic timer. */
+/* #undef HAVE_CLOCK_GETTIME_MONOTONIC */
+
+/* Define to 1 if you have the `closesocket' function. */
+/* #undef HAVE_CLOSESOCKET */
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function. */
+/* #undef HAVE_CRYPTO_CLEANUP_ALL_EX_DATA */
+
+/* Define to 1 if you have the <crypto.h> header file. */
+/* #undef HAVE_CRYPTO_H */
+
+/* Define to 1 if you have the <des.h> header file. */
+/* #undef HAVE_DES_H */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the `ENGINE_load_builtin_engines' function. */
+/* #undef HAVE_ENGINE_LOAD_BUILTIN_ENGINES */
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the <err.h> header file. */
+/* #undef HAVE_ERR_H */
+
+/* Define to 1 if you have the fcntl function. */
+#define HAVE_FCNTL 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have a working fcntl O_NONBLOCK function. */
+#define HAVE_FCNTL_O_NONBLOCK 1
+
+/* Define to 1 if you have the fdopen function. */
+#define HAVE_FDOPEN 1
+
+/* Define to 1 if you have the `fork' function. */
+#define HAVE_FORK 1
+
+/* Define to 1 if you have the freeaddrinfo function. */
+#define HAVE_FREEADDRINFO 1
+
+/* Define to 1 if you have the freeifaddrs function. */
+#define HAVE_FREEIFADDRS 1
+
+/* Define to 1 if you have the ftruncate function. */
+#define HAVE_FTRUNCATE 1
+
+/* Define to 1 if you have a working getaddrinfo function. */
+#define HAVE_GETADDRINFO 1
+
+/* Define to 1 if you have the `geteuid' function. */
+#define HAVE_GETEUID 1
+
+/* Define to 1 if you have the gethostbyaddr function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* Define to 1 if you have the gethostbyaddr_r function. */
+/* #undef HAVE_GETHOSTBYADDR_R */
+
+/* gethostbyaddr_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYADDR_R_5 */
+
+/* gethostbyaddr_r() takes 7 args */
+/* #undef HAVE_GETHOSTBYADDR_R_7 */
+
+/* gethostbyaddr_r() takes 8 args */
+/* #undef HAVE_GETHOSTBYADDR_R_8 */
+
+/* Define to 1 if you have the gethostbyname function. */
+#define HAVE_GETHOSTBYNAME 1
+
+/* Define to 1 if you have the gethostbyname_r function. */
+/* #undef HAVE_GETHOSTBYNAME_R */
+
+/* gethostbyname_r() takes 3 args */
+/* #undef HAVE_GETHOSTBYNAME_R_3 */
+
+/* gethostbyname_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYNAME_R_5 */
+
+/* gethostbyname_r() takes 6 args */
+/* #undef HAVE_GETHOSTBYNAME_R_6 */
+
+/* Define to 1 if you have the gethostname function. */
+#define HAVE_GETHOSTNAME 1
+
+/* Define to 1 if you have a working getifaddrs function. */
+#define HAVE_GETIFADDRS 1
+
+/* Define to 1 if you have the getnameinfo function. */
+#define HAVE_GETNAMEINFO 1
+
+/* Define to 1 if you have the `getpass_r' function. */
+/* #undef HAVE_GETPASS_R */
+
+/* Define to 1 if you have the `getppid' function. */
+#define HAVE_GETPPID 1
+
+/* Define to 1 if you have the `getprotobyname' function. */
+#define HAVE_GETPROTOBYNAME 1
+
+/* Define to 1 if you have the `getpwuid' function. */
+#define HAVE_GETPWUID 1
+
+/* Define to 1 if you have the `getrlimit' function. */
+#define HAVE_GETRLIMIT 1
+
+/* Define to 1 if you have the getservbyport_r function. */
+/* #undef HAVE_GETSERVBYPORT_R */
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY 1
+
+/* Define to 1 if you have a working glibc-style strerror_r function. */
+/* #undef HAVE_GLIBC_STRERROR_R */
+
+/* Define to 1 if you have a working gmtime_r function. */
+#define HAVE_GMTIME_R 1
+
+/* if you have the gssapi libraries */
+/* #undef HAVE_GSSAPI */
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_GENERIC_H */
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_H */
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_KRB5_H */
+
+/* if you have the GNU gssapi libraries */
+/* #undef HAVE_GSSGNU */
+
+/* if you have the Heimdal gssapi libraries */
+/* #undef HAVE_GSSHEIMDAL */
+
+/* if you have the MIT gssapi libraries */
+/* #undef HAVE_GSSMIT */
+
+/* Define to 1 if you have the `idna_strerror' function. */
+/* #undef HAVE_IDNA_STRERROR */
+
+/* Define to 1 if you have the `idn_free' function. */
+/* #undef HAVE_IDN_FREE */
+
+/* Define to 1 if you have the <idn-free.h> header file. */
+/* #undef HAVE_IDN_FREE_H */
+
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+#define HAVE_IFADDRS_H 1
+
+/* Define to 1 if you have the `inet_addr' function. */
+#define HAVE_INET_ADDR 1
+
+/* Define to 1 if you have the inet_ntoa_r function. */
+/* #undef HAVE_INET_NTOA_R */
+
+/* inet_ntoa_r() takes 2 args */
+/* #undef HAVE_INET_NTOA_R_2 */
+
+/* inet_ntoa_r() takes 3 args */
+/* #undef HAVE_INET_NTOA_R_3 */
+
+/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
+#define HAVE_INET_NTOP 1
+
+/* Define to 1 if you have a IPv6 capable working inet_pton function. */
+#define HAVE_INET_PTON 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the ioctl function. */
+#define HAVE_IOCTL 1
+
+/* Define to 1 if you have the ioctlsocket function. */
+/* #undef HAVE_IOCTLSOCKET */
+
+/* Define to 1 if you have the IoctlSocket camel case function. */
+/* #undef HAVE_IOCTLSOCKET_CAMEL */
+
+/* Define to 1 if you have a working IoctlSocket camel case FIONBIO function.
+   */
+/* #undef HAVE_IOCTLSOCKET_CAMEL_FIONBIO */
+
+/* Define to 1 if you have a working ioctlsocket FIONBIO function. */
+/* #undef HAVE_IOCTLSOCKET_FIONBIO */
+
+/* Define to 1 if you have a working ioctl FIONBIO function. */
+#define HAVE_IOCTL_FIONBIO 1
+
+/* Define to 1 if you have a working ioctl SIOCGIFADDR function. */
+#define HAVE_IOCTL_SIOCGIFADDR 1
+
+/* Define to 1 if you have the <io.h> header file. */
+/* #undef HAVE_IO_H */
+
+/* if you have the Kerberos4 libraries (including -ldes) */
+/* #undef HAVE_KRB4 */
+
+/* Define to 1 if you have the `krb_get_our_ip_for_realm' function. */
+/* #undef HAVE_KRB_GET_OUR_IP_FOR_REALM */
+
+/* Define to 1 if you have the <krb.h> header file. */
+/* #undef HAVE_KRB_H */
+
+/* Define to 1 if you have the lber.h header file. */
+/* #undef HAVE_LBER_H */
+
+/* Define to 1 if you have the ldapssl.h header file. */
+/* #undef HAVE_LDAPSSL_H */
+
+/* Define to 1 if you have the ldap.h header file. */
+/* #undef HAVE_LDAP_H */
+
+/* Use LDAPS implementation */
+/* #undef HAVE_LDAP_SSL */
+
+/* Define to 1 if you have the ldap_ssl.h header file. */
+/* #undef HAVE_LDAP_SSL_H */
+
+/* Define to 1 if you have the `ldap_url_parse' function. */
+/* #undef HAVE_LDAP_URL_PARSE */
+
+/* Define to 1 if you have the <libgen.h> header file. */
+#define HAVE_LIBGEN_H 1
+
+/* Define to 1 if you have the `idn' library (-lidn). */
+/* #undef HAVE_LIBIDN */
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+/* #undef HAVE_LIBRESOLV */
+
+/* Define to 1 if you have the `resolve' library (-lresolve). */
+/* #undef HAVE_LIBRESOLVE */
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+/* #undef HAVE_LIBSOCKET */
+
+/* Define to 1 if you have the `ssh2' library (-lssh2). */
+/* #undef HAVE_LIBSSH2 */
+
+/* Define to 1 if you have the <libssh2.h> header file. */
+/* #undef HAVE_LIBSSH2_H */
+
+/* Define to 1 if you have the `ssl' library (-lssl). */
+/* #undef HAVE_LIBSSL */
+
+/* if zlib is available */
+#define HAVE_LIBZ 1
+
+/* Define to 1 if you have the <limits.h> header file. */
+#define HAVE_LIMITS_H 1
+
+/* if your compiler supports LL */
+#define HAVE_LL 1
+
+/* Define to 1 if you have the <locale.h> header file. */
+#define HAVE_LOCALE_H 1
+
+/* Define to 1 if you have a working localtime_r function. */
+#define HAVE_LOCALTIME_R 1
+
+/* Define to 1 if the compiler supports the 'long long' data type. */
+#define HAVE_LONGLONG 1
+
+/* Define to 1 if you have the malloc.h header file. */
+/* #undef HAVE_MALLOC_H */
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the MSG_NOSIGNAL flag. */
+/* #undef HAVE_MSG_NOSIGNAL */
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#define HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#define HAVE_NETINET_TCP_H 1
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H 1
+
+/* Define to 1 if NI_WITHSCOPEID exists and works. */
+/* #undef HAVE_NI_WITHSCOPEID */
+
+/* if you have an old MIT gssapi library, lacking GSS_C_NT_HOSTBASED_SERVICE
+   */
+/* #undef HAVE_OLD_GSSMIT */
+
+/* Define to 1 if you have the <openssl/crypto.h> header file. */
+/* #undef HAVE_OPENSSL_CRYPTO_H */
+
+/* Define to 1 if you have the <openssl/engine.h> header file. */
+/* #undef HAVE_OPENSSL_ENGINE_H */
+
+/* Define to 1 if you have the <openssl/err.h> header file. */
+/* #undef HAVE_OPENSSL_ERR_H */
+
+/* Define to 1 if you have the <openssl/pem.h> header file. */
+/* #undef HAVE_OPENSSL_PEM_H */
+
+/* Define to 1 if you have the <openssl/pkcs12.h> header file. */
+/* #undef HAVE_OPENSSL_PKCS12_H */
+
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+/* #undef HAVE_OPENSSL_RSA_H */
+
+/* Define to 1 if you have the <openssl/ssl.h> header file. */
+/* #undef HAVE_OPENSSL_SSL_H */
+
+/* Define to 1 if you have the <openssl/x509.h> header file. */
+/* #undef HAVE_OPENSSL_X509_H */
+
+/* Define to 1 if you have the <pem.h> header file. */
+/* #undef HAVE_PEM_H */
+
+/* Define to 1 if you have the `perror' function. */
+#define HAVE_PERROR 1
+
+/* Define to 1 if you have the `pipe' function. */
+#define HAVE_PIPE 1
+
+/* if you have the function PK11_CreateGenericObject */
+/* #undef HAVE_PK11_CREATEGENERICOBJECT */
+
+/* Define to 1 if you have a working poll function. */
+/* #undef HAVE_POLL */
+
+/* If you have a fine poll */
+/* #undef HAVE_POLL_FINE */
+
+/* Define to 1 if you have the <poll.h> header file. */
+#define HAVE_POLL_H 1
+
+/* Define to 1 if you have a working POSIX-style strerror_r function. */
+#define HAVE_POSIX_STRERROR_R 1
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#define HAVE_PWD_H 1
+
+/* Define to 1 if you have the `RAND_egd' function. */
+/* #undef HAVE_RAND_EGD */
+
+/* Define to 1 if you have the `RAND_screen' function. */
+/* #undef HAVE_RAND_SCREEN */
+
+/* Define to 1 if you have the `RAND_status' function. */
+/* #undef HAVE_RAND_STATUS */
+
+/* Define to 1 if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to 1 if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to 1 if you have the <rsa.h> header file. */
+/* #undef HAVE_RSA_H */
+
+/* Define to 1 if you have the select function. */
+#define HAVE_SELECT 1
+
+/* Define to 1 if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#define HAVE_SETJMP_H 1
+
+/* Define to 1 if you have the `setlocale' function. */
+#define HAVE_SETLOCALE 1
+
+/* Define to 1 if you have the `setmode' function. */
+#define HAVE_SETMODE 1
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define HAVE_SETRLIMIT 1
+
+/* Define to 1 if you have the setsockopt function. */
+#define HAVE_SETSOCKOPT 1
+
+/* Define to 1 if you have a working setsockopt SO_NONBLOCK function. */
+/* #undef HAVE_SETSOCKOPT_SO_NONBLOCK */
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+#define HAVE_SGTTY_H 1
+
+/* Define to 1 if you have the sigaction function. */
+#define HAVE_SIGACTION 1
+
+/* Define to 1 if you have the siginterrupt function. */
+#define HAVE_SIGINTERRUPT 1
+
+/* Define to 1 if you have the signal function. */
+#define HAVE_SIGNAL 1
+
+/* Define to 1 if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define to 1 if you have the sigsetjmp function or macro. */
+#define HAVE_SIGSETJMP 1
+
+/* Define to 1 if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define to 1 if sig_atomic_t is already defined as volatile. */
+/* #undef HAVE_SIG_ATOMIC_T_VOLATILE */
+
+/* Define to 1 if struct sockaddr_in6 has the sin6_scope_id member */
+#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define this if you have the SPNEGO library fbopenssl */
+/* #undef HAVE_SPNEGO */
+
+/* Define to 1 if you have the `SSL_get_shutdown' function. */
+/* #undef HAVE_SSL_GET_SHUTDOWN */
+
+/* Define to 1 if you have the <ssl.h> header file. */
+/* #undef HAVE_SSL_H */
+
+/* Define to 1 if you have the <stdbool.h> header file. */
+#define HAVE_STDBOOL_H 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the strcasecmp function. */
+#define HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the strcasestr function. */
+#define HAVE_STRCASESTR 1
+
+/* Define to 1 if you have the strcmpi function. */
+/* #undef HAVE_STRCMPI */
+
+/* Define to 1 if you have the strdup function. */
+#define HAVE_STRDUP 1
+
+/* Define to 1 if you have the strerror_r function. */
+#define HAVE_STRERROR_R 1
+
+/* Define to 1 if you have the stricmp function. */
+/* #undef HAVE_STRICMP */
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the strlcat function. */
+#define HAVE_STRLCAT 1
+
+/* Define to 1 if you have the `strlcpy' function. */
+/* #undef HAVE_STRLCPY */
+
+/* Define to 1 if you have the strncasecmp function. */
+#define HAVE_STRNCASECMP 1
+
+/* Define to 1 if you have the strncmpi function. */
+/* #undef HAVE_STRNCMPI */
+
+/* Define to 1 if you have the strnicmp function. */
+/* #undef HAVE_STRNICMP */
+
+/* Define to 1 if you have the <stropts.h> header file. */
+/* #undef HAVE_STROPTS_H */
+
+/* Define to 1 if you have the strstr function. */
+#define HAVE_STRSTR 1
+
+/* Define to 1 if you have the strtok_r function. */
+#define HAVE_STRTOK_R 1
+
+/* Define to 1 if you have the strtoll function. */
+#define HAVE_STRTOLL 1
+
+/* if struct sockaddr_storage is defined */
+#define HAVE_STRUCT_SOCKADDR_STORAGE 1
+
+/* Define to 1 if you have the timeval struct. */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* Define to 1 if you have the <sys/filio.h> header file. */
+#define HAVE_SYS_FILIO_H 1
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#define HAVE_SYS_PARAM_H 1
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+#define HAVE_SYS_POLL_H 1
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define HAVE_SYS_RESOURCE_H 1
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#define HAVE_SYS_SELECT_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+#define HAVE_SYS_SOCKIO_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#define HAVE_SYS_UIO_H 1
+
+/* Define to 1 if you have the <sys/un.h> header file. */
+#define HAVE_SYS_UN_H 1
+
+/* Define to 1 if you have the <sys/utime.h> header file. */
+/* #undef HAVE_SYS_UTIME_H */
+
+/* Define to 1 if you have the <termios.h> header file. */
+#define HAVE_TERMIOS_H 1
+
+/* Define to 1 if you have the <termio.h> header file. */
+/* #undef HAVE_TERMIO_H */
+
+/* Define to 1 if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define to 1 if you have the <tld.h> header file. */
+/* #undef HAVE_TLD_H */
+
+/* Define to 1 if you have the `tld_strerror' function. */
+/* #undef HAVE_TLD_STRERROR */
+
+/* Define to 1 if you have the `uname' function. */
+#define HAVE_UNAME 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `utime' function. */
+#define HAVE_UTIME 1
+
+/* Define to 1 if you have the <utime.h> header file. */
+#define HAVE_UTIME_H 1
+
+/* Define to 1 if compiler supports C99 variadic macro style. */
+#define HAVE_VARIADIC_MACROS_C99 1
+
+/* Define to 1 if compiler supports old gcc variadic macro style. */
+#define HAVE_VARIADIC_MACROS_GCC 1
+
+/* Define to 1 if you have the winber.h header file. */
+/* #undef HAVE_WINBER_H */
+
+/* Define to 1 if you have the windows.h header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* Define to 1 if you have the winldap.h header file. */
+/* #undef HAVE_WINLDAP_H */
+
+/* Define to 1 if you have the winsock2.h header file. */
+/* #undef HAVE_WINSOCK2_H */
+
+/* Define to 1 if you have the winsock.h header file. */
+/* #undef HAVE_WINSOCK_H */
+
+/* Define this symbol if your OS supports changing the contents of argv */
+#define HAVE_WRITABLE_ARGV 1
+
+/* Define to 1 if you have the writev function. */
+#define HAVE_WRITEV 1
+
+/* Define to 1 if you have the ws2tcpip.h header file. */
+/* #undef HAVE_WS2TCPIP_H */
+
+/* Define to 1 if you have the <x509.h> header file. */
+/* #undef HAVE_X509_H */
+
+/* if you have the zlib.h header file */
+#define HAVE_ZLIB_H 1
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#define LT_OBJDIR ".libs/"
+
+/* Define to 1 if you are building a native Windows target. */
+/* #undef NATIVE_WINDOWS */
+
+/* If you lack a fine basename() prototype */
+/* #undef NEED_BASENAME_PROTO */
+
+/* Define to 1 if you need the lber.h header file even with ldap.h */
+/* #undef NEED_LBER_H */
+
+/* Define to 1 if you need the malloc.h header file even with stdlib.h */
+/* #undef NEED_MALLOC_H */
+
+/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
+/* #undef NEED_REENTRANT */
+
+/* cpu-machine-OS */
+#define OS "i386-apple-darwin10.0.0d6"
+
+/* Name of package */
+#define PACKAGE "curl"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "a suitable curl mailing list => http://curl.haxx.se/mail/"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "curl"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "curl -"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "curl"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "-"
+
+/* a suitable file to read random data from */
+/* #undef RANDOM_FILE */
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 int
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 void
+
+/* Define to 1 if the type pointed by arg 2 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG2_IS_VOID 1
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to 1 if the type pointed by arg 5 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG5_IS_VOID */
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 socklen_t
+
+/* Define to 1 if the type pointed by arg 6 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG6_IS_VOID */
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV ssize_t
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV ssize_t
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* Define to the type qualifier of arg 5 for select. */
+#define SELECT_QUAL_ARG5 
+
+/* Define to the type of arg 1 for select. */
+#define SELECT_TYPE_ARG1 int
+
+/* Define to the type of args 2, 3 and 4 for select. */
+#define SELECT_TYPE_ARG234 fd_set *
+
+/* Define to the type of arg 5 for select. */
+#define SELECT_TYPE_ARG5 struct timeval *
+
+/* Define to the function return type for select. */
+#define SELECT_TYPE_RETV int
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV ssize_t
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 8
+
+/* The size of `off_t', as computed by sizeof. */
+#define SIZEOF_OFF_T 8
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 8
+
+/* The size of `time_t', as computed by sizeof. */
+#define SIZEOF_TIME_T 8
+
+/* The size of `void*', as computed by sizeof. */
+#define SIZEOF_VOIDP 8
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define to the type of arg 3 for strerror_r. */
+#define STRERROR_R_TYPE_ARG3 size_t
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* Define if you want to enable c-ares support */
+/* #undef USE_ARES */
+
+/* Define to disable non-blocking sockets. */
+/* #undef USE_BLOCKING_SOCKETS */
+
+/* if GnuTLS is enabled */
+/* #undef USE_GNUTLS */
+
+/* if libSSH2 is in use */
+/* #undef USE_LIBSSH2 */
+
+/* If you want to build curl with the built-in manual */
+/* #undef USE_MANUAL */
+
+/* if NSS is enabled */
+/* #undef USE_NSS */
+
+/* if OpenSSL is in use */
+#define USE_OPENSSL
+
+/* if SSL is enabled */
+#define USE_SSLEAY
+
+/* Define to 1 if you are building a Windows target without large file
+   support. */
+/* #undef USE_WIN32_LARGE_FILES */
+
+/* to enable SSPI support */
+/* #undef USE_WINDOWS_SSPI */
+
+/* Define to 1 if using yaSSL in OpenSSL compatibility mode. */
+/* #undef USE_YASSLEMUL */
+
+/* Version number of package */
+#define VERSION "7.19.4"
+
+/* Define to avoid automatic inclusion of winsock.h */
+/* #undef WIN32_LEAN_AND_MEAN */
+
+/* Define to 1 if OS is AIX. */
+#ifndef _ALL_SOURCE
+/* #  undef _ALL_SOURCE */
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+/* #undef _FILE_OFFSET_BITS */
+
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* define this if you need it to compile thread-safe code */
+/* #undef _THREAD_SAFE */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Type to use in place of in_addr_t when system does not provide it. */
+/* #undef in_addr_t */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+/* #undef inline */
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+/* Type to use in place of socklen_t when system does not provide it. */
+/* #undef socklen_t */
+
+/* the signed version of size_t */
+/* #undef ssize_t */
+
+/* The size of `curl_off_t', as computed by sizeof. */
+#define SIZEOF_CURL_OFF_T 8
Index: trunk/src/libs/curl-7.64.0/config.h.darwin.x86
===================================================================
--- trunk/src/libs/curl-7.64.0/config.h.darwin.x86	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/config.h.darwin.x86	(revision 85671)
@@ -0,0 +1,953 @@
+/* lib/config.h.  Generated from config.h.in by configure.  */
+/* lib/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if you have the $func function. */
+/* #undef AS_TR_CPP */
+
+/* when building libcurl itself */
+/* #undef BUILDING_LIBCURL */
+
+/* Location of default ca bundle */
+/* #undef CURL_CA_BUNDLE */
+
+/* Location of default ca path */
+/* #undef CURL_CA_PATH */
+
+/* to disable cookies support */
+/* #undef CURL_DISABLE_COOKIES */
+
+/* to disable cryptographic authentication */
+/* #undef CURL_DISABLE_CRYPTO_AUTH */
+
+/* to disable DICT */
+/* #undef CURL_DISABLE_DICT */
+
+/* to disable FILE */
+/* #undef CURL_DISABLE_FILE */
+
+/* to disable FTP */
+/* #undef CURL_DISABLE_FTP */
+
+/* to disable HTTP */
+/* #undef CURL_DISABLE_HTTP */
+
+/* to disable LDAP */
+#define CURL_DISABLE_LDAP 1
+
+/* to disable LDAPS */
+#define CURL_DISABLE_LDAPS 1
+
+/* to disable proxies */
+/* #undef CURL_DISABLE_PROXY */
+
+/* to disable TELNET */
+/* #undef CURL_DISABLE_TELNET */
+
+/* to disable TFTP */
+/* #undef CURL_DISABLE_TFTP */
+
+/* to disable verbose strings */
+/* #undef CURL_DISABLE_VERBOSE_STRINGS */
+
+/* to make a symbol visible */
+/* #undef CURL_EXTERN_SYMBOL */
+
+/* to enable hidden symbols */
+/* #undef CURL_HIDDEN_SYMBOLS */
+
+/* W$ LDAP with non-W$ compiler */
+/* #undef CURL_LDAP_HYBRID */
+
+/* Use W$ LDAP implementation */
+/* #undef CURL_LDAP_WIN */
+
+/* when not building a shared library */
+/* #undef CURL_STATICLIB */
+
+/* Set to explicitly specify we don't want to use thread-safe functions */
+/* #undef DISABLED_THREADSAFE */
+
+/* your Entropy Gathering Daemon socket pathname */
+/* #undef EGD_SOCKET */
+
+/* Define if you want to enable IPv6 support */
+#define ENABLE_IPV6 1
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 socklen_t
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 int
+
+/* Specifies the number of arguments to getservbyport_r */
+/* #undef GETSERVBYPORT_R_ARGS */
+
+/* Specifies the size of the buffer to pass to getservbyport_r */
+/* #undef GETSERVBYPORT_R_BUFSIZE */
+
+/* Define to 1 if you have the alarm function. */
+#define HAVE_ALARM 1
+
+/* Define to 1 if you have the <alloca.h> header file. */
+#define HAVE_ALLOCA_H 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <arpa/tftp.h> header file. */
+#define HAVE_ARPA_TFTP_H 1
+
+/* Define to 1 if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the `basename' function. */
+#define HAVE_BASENAME 1
+
+/* Define to 1 if bool is an available type. */
+#define HAVE_BOOL_T 1
+
+/* Define to 1 if you have the clock_gettime function and monotonic timer. */
+/* #undef HAVE_CLOCK_GETTIME_MONOTONIC */
+
+/* Define to 1 if you have the `closesocket' function. */
+/* #undef HAVE_CLOSESOCKET */
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function. */
+/* #undef HAVE_CRYPTO_CLEANUP_ALL_EX_DATA */
+
+/* Define to 1 if you have the <crypto.h> header file. */
+/* #undef HAVE_CRYPTO_H */
+
+/* Define to 1 if you have the <des.h> header file. */
+/* #undef HAVE_DES_H */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the `ENGINE_load_builtin_engines' function. */
+/* #undef HAVE_ENGINE_LOAD_BUILTIN_ENGINES */
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the <err.h> header file. */
+/* #undef HAVE_ERR_H */
+
+/* Define to 1 if you have the fcntl function. */
+#define HAVE_FCNTL 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have a working fcntl O_NONBLOCK function. */
+#define HAVE_FCNTL_O_NONBLOCK 1
+
+/* Define to 1 if you have the fdopen function. */
+#define HAVE_FDOPEN 1
+
+/* Define to 1 if you have the `fork' function. */
+#define HAVE_FORK 1
+
+/* Define to 1 if you have the freeaddrinfo function. */
+#define HAVE_FREEADDRINFO 1
+
+/* Define to 1 if you have the freeifaddrs function. */
+#define HAVE_FREEIFADDRS 1
+
+/* Define to 1 if you have the ftruncate function. */
+#define HAVE_FTRUNCATE 1
+
+/* Define to 1 if you have a working getaddrinfo function. */
+#define HAVE_GETADDRINFO 1
+
+/* Define to 1 if you have the `geteuid' function. */
+#define HAVE_GETEUID 1
+
+/* Define to 1 if you have the gethostbyaddr function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* Define to 1 if you have the gethostbyaddr_r function. */
+/* #undef HAVE_GETHOSTBYADDR_R */
+
+/* gethostbyaddr_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYADDR_R_5 */
+
+/* gethostbyaddr_r() takes 7 args */
+/* #undef HAVE_GETHOSTBYADDR_R_7 */
+
+/* gethostbyaddr_r() takes 8 args */
+/* #undef HAVE_GETHOSTBYADDR_R_8 */
+
+/* Define to 1 if you have the gethostbyname function. */
+#define HAVE_GETHOSTBYNAME 1
+
+/* Define to 1 if you have the gethostbyname_r function. */
+/* #undef HAVE_GETHOSTBYNAME_R */
+
+/* gethostbyname_r() takes 3 args */
+/* #undef HAVE_GETHOSTBYNAME_R_3 */
+
+/* gethostbyname_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYNAME_R_5 */
+
+/* gethostbyname_r() takes 6 args */
+/* #undef HAVE_GETHOSTBYNAME_R_6 */
+
+/* Define to 1 if you have the gethostname function. */
+#define HAVE_GETHOSTNAME 1
+
+/* Define to 1 if you have a working getifaddrs function. */
+#define HAVE_GETIFADDRS 1
+
+/* Define to 1 if you have the getnameinfo function. */
+#define HAVE_GETNAMEINFO 1
+
+/* Define to 1 if you have the `getpass_r' function. */
+/* #undef HAVE_GETPASS_R */
+
+/* Define to 1 if you have the `getppid' function. */
+#define HAVE_GETPPID 1
+
+/* Define to 1 if you have the `getprotobyname' function. */
+#define HAVE_GETPROTOBYNAME 1
+
+/* Define to 1 if you have the `getpwuid' function. */
+#define HAVE_GETPWUID 1
+
+/* Define to 1 if you have the `getrlimit' function. */
+#define HAVE_GETRLIMIT 1
+
+/* Define to 1 if you have the getservbyport_r function. */
+/* #undef HAVE_GETSERVBYPORT_R */
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY 1
+
+/* Define to 1 if you have a working glibc-style strerror_r function. */
+/* #undef HAVE_GLIBC_STRERROR_R */
+
+/* Define to 1 if you have a working gmtime_r function. */
+#define HAVE_GMTIME_R 1
+
+/* if you have the gssapi libraries */
+/* #undef HAVE_GSSAPI */
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_GENERIC_H */
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_H */
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_KRB5_H */
+
+/* if you have the GNU gssapi libraries */
+/* #undef HAVE_GSSGNU */
+
+/* if you have the Heimdal gssapi libraries */
+/* #undef HAVE_GSSHEIMDAL */
+
+/* if you have the MIT gssapi libraries */
+/* #undef HAVE_GSSMIT */
+
+/* Define to 1 if you have the `idna_strerror' function. */
+/* #undef HAVE_IDNA_STRERROR */
+
+/* Define to 1 if you have the `idn_free' function. */
+/* #undef HAVE_IDN_FREE */
+
+/* Define to 1 if you have the <idn-free.h> header file. */
+/* #undef HAVE_IDN_FREE_H */
+
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+#define HAVE_IFADDRS_H 1
+
+/* Define to 1 if you have the `inet_addr' function. */
+#define HAVE_INET_ADDR 1
+
+/* Define to 1 if you have the inet_ntoa_r function. */
+/* #undef HAVE_INET_NTOA_R */
+
+/* inet_ntoa_r() takes 2 args */
+/* #undef HAVE_INET_NTOA_R_2 */
+
+/* inet_ntoa_r() takes 3 args */
+/* #undef HAVE_INET_NTOA_R_3 */
+
+/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
+#define HAVE_INET_NTOP 1
+
+/* Define to 1 if you have a IPv6 capable working inet_pton function. */
+#define HAVE_INET_PTON 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the ioctl function. */
+#define HAVE_IOCTL 1
+
+/* Define to 1 if you have the ioctlsocket function. */
+/* #undef HAVE_IOCTLSOCKET */
+
+/* Define to 1 if you have the IoctlSocket camel case function. */
+/* #undef HAVE_IOCTLSOCKET_CAMEL */
+
+/* Define to 1 if you have a working IoctlSocket camel case FIONBIO function.
+   */
+/* #undef HAVE_IOCTLSOCKET_CAMEL_FIONBIO */
+
+/* Define to 1 if you have a working ioctlsocket FIONBIO function. */
+/* #undef HAVE_IOCTLSOCKET_FIONBIO */
+
+/* Define to 1 if you have a working ioctl FIONBIO function. */
+#define HAVE_IOCTL_FIONBIO 1
+
+/* Define to 1 if you have a working ioctl SIOCGIFADDR function. */
+#define HAVE_IOCTL_SIOCGIFADDR 1
+
+/* Define to 1 if you have the <io.h> header file. */
+/* #undef HAVE_IO_H */
+
+/* if you have the Kerberos4 libraries (including -ldes) */
+/* #undef HAVE_KRB4 */
+
+/* Define to 1 if you have the `krb_get_our_ip_for_realm' function. */
+/* #undef HAVE_KRB_GET_OUR_IP_FOR_REALM */
+
+/* Define to 1 if you have the <krb.h> header file. */
+/* #undef HAVE_KRB_H */
+
+/* Define to 1 if you have the lber.h header file. */
+/* #undef HAVE_LBER_H */
+
+/* Define to 1 if you have the ldapssl.h header file. */
+/* #undef HAVE_LDAPSSL_H */
+
+/* Define to 1 if you have the ldap.h header file. */
+/* #undef HAVE_LDAP_H */
+
+/* Use LDAPS implementation */
+/* #undef HAVE_LDAP_SSL */
+
+/* Define to 1 if you have the ldap_ssl.h header file. */
+/* #undef HAVE_LDAP_SSL_H */
+
+/* Define to 1 if you have the `ldap_url_parse' function. */
+/* #undef HAVE_LDAP_URL_PARSE */
+
+/* Define to 1 if you have the <libgen.h> header file. */
+#define HAVE_LIBGEN_H 1
+
+/* Define to 1 if you have the `idn' library (-lidn). */
+/* #undef HAVE_LIBIDN */
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+/* #undef HAVE_LIBRESOLV */
+
+/* Define to 1 if you have the `resolve' library (-lresolve). */
+/* #undef HAVE_LIBRESOLVE */
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+/* #undef HAVE_LIBSOCKET */
+
+/* Define to 1 if you have the `ssh2' library (-lssh2). */
+/* #undef HAVE_LIBSSH2 */
+
+/* Define to 1 if you have the <libssh2.h> header file. */
+/* #undef HAVE_LIBSSH2_H */
+
+/* Define to 1 if you have the `ssl' library (-lssl). */
+/* #undef HAVE_LIBSSL */
+
+/* if zlib is available */
+#define HAVE_LIBZ 1
+
+/* Define to 1 if you have the <limits.h> header file. */
+#define HAVE_LIMITS_H 1
+
+/* if your compiler supports LL */
+#define HAVE_LL 1
+
+/* Define to 1 if you have the <locale.h> header file. */
+#define HAVE_LOCALE_H 1
+
+/* Define to 1 if you have a working localtime_r function. */
+#define HAVE_LOCALTIME_R 1
+
+/* Define to 1 if the compiler supports the 'long long' data type. */
+#define HAVE_LONGLONG 1
+
+/* Define to 1 if you have the malloc.h header file. */
+/* #undef HAVE_MALLOC_H */
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the MSG_NOSIGNAL flag. */
+/* #undef HAVE_MSG_NOSIGNAL */
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#define HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#define HAVE_NETINET_TCP_H 1
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H 1
+
+/* Define to 1 if NI_WITHSCOPEID exists and works. */
+/* #undef HAVE_NI_WITHSCOPEID */
+
+/* if you have an old MIT gssapi library, lacking GSS_C_NT_HOSTBASED_SERVICE
+   */
+/* #undef HAVE_OLD_GSSMIT */
+
+/* Define to 1 if you have the <openssl/crypto.h> header file. */
+/* #undef HAVE_OPENSSL_CRYPTO_H */
+
+/* Define to 1 if you have the <openssl/engine.h> header file. */
+/* #undef HAVE_OPENSSL_ENGINE_H */
+
+/* Define to 1 if you have the <openssl/err.h> header file. */
+/* #undef HAVE_OPENSSL_ERR_H */
+
+/* Define to 1 if you have the <openssl/pem.h> header file. */
+/* #undef HAVE_OPENSSL_PEM_H */
+
+/* Define to 1 if you have the <openssl/pkcs12.h> header file. */
+/* #undef HAVE_OPENSSL_PKCS12_H */
+
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+/* #undef HAVE_OPENSSL_RSA_H */
+
+/* Define to 1 if you have the <openssl/ssl.h> header file. */
+/* #undef HAVE_OPENSSL_SSL_H */
+
+/* Define to 1 if you have the <openssl/x509.h> header file. */
+/* #undef HAVE_OPENSSL_X509_H */
+
+/* Define to 1 if you have the <pem.h> header file. */
+/* #undef HAVE_PEM_H */
+
+/* Define to 1 if you have the `perror' function. */
+#define HAVE_PERROR 1
+
+/* Define to 1 if you have the `pipe' function. */
+#define HAVE_PIPE 1
+
+/* if you have the function PK11_CreateGenericObject */
+/* #undef HAVE_PK11_CREATEGENERICOBJECT */
+
+/* Define to 1 if you have a working poll function. */
+/* #undef HAVE_POLL */
+
+/* If you have a fine poll */
+/* #undef HAVE_POLL_FINE */
+
+/* Define to 1 if you have the <poll.h> header file. */
+#define HAVE_POLL_H 1
+
+/* Define to 1 if you have a working POSIX-style strerror_r function. */
+#define HAVE_POSIX_STRERROR_R 1
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#define HAVE_PWD_H 1
+
+/* Define to 1 if you have the `RAND_egd' function. */
+/* #undef HAVE_RAND_EGD */
+
+/* Define to 1 if you have the `RAND_screen' function. */
+/* #undef HAVE_RAND_SCREEN */
+
+/* Define to 1 if you have the `RAND_status' function. */
+/* #undef HAVE_RAND_STATUS */
+
+/* Define to 1 if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to 1 if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to 1 if you have the <rsa.h> header file. */
+/* #undef HAVE_RSA_H */
+
+/* Define to 1 if you have the select function. */
+#define HAVE_SELECT 1
+
+/* Define to 1 if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#define HAVE_SETJMP_H 1
+
+/* Define to 1 if you have the `setlocale' function. */
+#define HAVE_SETLOCALE 1
+
+/* Define to 1 if you have the `setmode' function. */
+#define HAVE_SETMODE 1
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define HAVE_SETRLIMIT 1
+
+/* Define to 1 if you have the setsockopt function. */
+#define HAVE_SETSOCKOPT 1
+
+/* Define to 1 if you have a working setsockopt SO_NONBLOCK function. */
+/* #undef HAVE_SETSOCKOPT_SO_NONBLOCK */
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+#define HAVE_SGTTY_H 1
+
+/* Define to 1 if you have the sigaction function. */
+#define HAVE_SIGACTION 1
+
+/* Define to 1 if you have the siginterrupt function. */
+#define HAVE_SIGINTERRUPT 1
+
+/* Define to 1 if you have the signal function. */
+#define HAVE_SIGNAL 1
+
+/* Define to 1 if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define to 1 if you have the sigsetjmp function or macro. */
+#define HAVE_SIGSETJMP 1
+
+/* Define to 1 if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define to 1 if sig_atomic_t is already defined as volatile. */
+/* #undef HAVE_SIG_ATOMIC_T_VOLATILE */
+
+/* Define to 1 if struct sockaddr_in6 has the sin6_scope_id member */
+#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define this if you have the SPNEGO library fbopenssl */
+/* #undef HAVE_SPNEGO */
+
+/* Define to 1 if you have the `SSL_get_shutdown' function. */
+/* #undef HAVE_SSL_GET_SHUTDOWN */
+
+/* Define to 1 if you have the <ssl.h> header file. */
+/* #undef HAVE_SSL_H */
+
+/* Define to 1 if you have the <stdbool.h> header file. */
+#define HAVE_STDBOOL_H 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the strcasecmp function. */
+#define HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the strcasestr function. */
+#define HAVE_STRCASESTR 1
+
+/* Define to 1 if you have the strcmpi function. */
+/* #undef HAVE_STRCMPI */
+
+/* Define to 1 if you have the strdup function. */
+#define HAVE_STRDUP 1
+
+/* Define to 1 if you have the strerror_r function. */
+#define HAVE_STRERROR_R 1
+
+/* Define to 1 if you have the stricmp function. */
+/* #undef HAVE_STRICMP */
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the strlcat function. */
+#define HAVE_STRLCAT 1
+
+/* Define to 1 if you have the `strlcpy' function. */
+/* #undef HAVE_STRLCPY */
+
+/* Define to 1 if you have the strncasecmp function. */
+#define HAVE_STRNCASECMP 1
+
+/* Define to 1 if you have the strncmpi function. */
+/* #undef HAVE_STRNCMPI */
+
+/* Define to 1 if you have the strnicmp function. */
+/* #undef HAVE_STRNICMP */
+
+/* Define to 1 if you have the <stropts.h> header file. */
+/* #undef HAVE_STROPTS_H */
+
+/* Define to 1 if you have the strstr function. */
+#define HAVE_STRSTR 1
+
+/* Define to 1 if you have the strtok_r function. */
+#define HAVE_STRTOK_R 1
+
+/* Define to 1 if you have the strtoll function. */
+#define HAVE_STRTOLL 1
+
+/* if struct sockaddr_storage is defined */
+#define HAVE_STRUCT_SOCKADDR_STORAGE 1
+
+/* Define to 1 if you have the timeval struct. */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* Define to 1 if you have the <sys/filio.h> header file. */
+#define HAVE_SYS_FILIO_H 1
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#define HAVE_SYS_PARAM_H 1
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+#define HAVE_SYS_POLL_H 1
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define HAVE_SYS_RESOURCE_H 1
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#define HAVE_SYS_SELECT_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+#define HAVE_SYS_SOCKIO_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#define HAVE_SYS_UIO_H 1
+
+/* Define to 1 if you have the <sys/un.h> header file. */
+#define HAVE_SYS_UN_H 1
+
+/* Define to 1 if you have the <sys/utime.h> header file. */
+/* #undef HAVE_SYS_UTIME_H */
+
+/* Define to 1 if you have the <termios.h> header file. */
+#define HAVE_TERMIOS_H 1
+
+/* Define to 1 if you have the <termio.h> header file. */
+/* #undef HAVE_TERMIO_H */
+
+/* Define to 1 if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define to 1 if you have the <tld.h> header file. */
+/* #undef HAVE_TLD_H */
+
+/* Define to 1 if you have the `tld_strerror' function. */
+/* #undef HAVE_TLD_STRERROR */
+
+/* Define to 1 if you have the `uname' function. */
+#define HAVE_UNAME 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `utime' function. */
+#define HAVE_UTIME 1
+
+/* Define to 1 if you have the <utime.h> header file. */
+#define HAVE_UTIME_H 1
+
+/* Define to 1 if compiler supports C99 variadic macro style. */
+#define HAVE_VARIADIC_MACROS_C99 1
+
+/* Define to 1 if compiler supports old gcc variadic macro style. */
+#define HAVE_VARIADIC_MACROS_GCC 1
+
+/* Define to 1 if you have the winber.h header file. */
+/* #undef HAVE_WINBER_H */
+
+/* Define to 1 if you have the windows.h header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* Define to 1 if you have the winldap.h header file. */
+/* #undef HAVE_WINLDAP_H */
+
+/* Define to 1 if you have the winsock2.h header file. */
+/* #undef HAVE_WINSOCK2_H */
+
+/* Define to 1 if you have the winsock.h header file. */
+/* #undef HAVE_WINSOCK_H */
+
+/* Define this symbol if your OS supports changing the contents of argv */
+#define HAVE_WRITABLE_ARGV 1
+
+/* Define to 1 if you have the writev function. */
+#define HAVE_WRITEV 1
+
+/* Define to 1 if you have the ws2tcpip.h header file. */
+/* #undef HAVE_WS2TCPIP_H */
+
+/* Define to 1 if you have the <x509.h> header file. */
+/* #undef HAVE_X509_H */
+
+/* if you have the zlib.h header file */
+#define HAVE_ZLIB_H 1
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#define LT_OBJDIR ".libs/"
+
+/* Define to 1 if you are building a native Windows target. */
+/* #undef NATIVE_WINDOWS */
+
+/* If you lack a fine basename() prototype */
+/* #undef NEED_BASENAME_PROTO */
+
+/* Define to 1 if you need the lber.h header file even with ldap.h */
+/* #undef NEED_LBER_H */
+
+/* Define to 1 if you need the malloc.h header file even with stdlib.h */
+/* #undef NEED_MALLOC_H */
+
+/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
+/* #undef NEED_REENTRANT */
+
+/* cpu-machine-OS */
+#define OS "i386-apple-darwin9.5.0"
+
+/* Name of package */
+#define PACKAGE "curl"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "a suitable curl mailing list => http://curl.haxx.se/mail/"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "curl"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "curl -"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "curl"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "-"
+
+/* a suitable file to read random data from */
+/* #undef RANDOM_FILE */
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 int
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 void
+
+/* Define to 1 if the type pointed by arg 2 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG2_IS_VOID 1
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to 1 if the type pointed by arg 5 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG5_IS_VOID */
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 socklen_t
+
+/* Define to 1 if the type pointed by arg 6 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG6_IS_VOID */
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV ssize_t
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV ssize_t
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* Define to the type qualifier of arg 5 for select. */
+#define SELECT_QUAL_ARG5 
+
+/* Define to the type of arg 1 for select. */
+#define SELECT_TYPE_ARG1 int
+
+/* Define to the type of args 2, 3 and 4 for select. */
+#define SELECT_TYPE_ARG234 fd_set *
+
+/* Define to the type of arg 5 for select. */
+#define SELECT_TYPE_ARG5 struct timeval *
+
+/* Define to the function return type for select. */
+#define SELECT_TYPE_RETV int
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV ssize_t
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 4
+
+/* The size of `off_t', as computed by sizeof. */
+#define SIZEOF_OFF_T 8
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 4
+
+/* The size of `time_t', as computed by sizeof. */
+#define SIZEOF_TIME_T 4
+
+/* The size of `void*', as computed by sizeof. */
+#define SIZEOF_VOIDP 4
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define to the type of arg 3 for strerror_r. */
+#define STRERROR_R_TYPE_ARG3 size_t
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* Define if you want to enable c-ares support */
+/* #undef USE_ARES */
+
+/* Define to disable non-blocking sockets. */
+/* #undef USE_BLOCKING_SOCKETS */
+
+/* if GnuTLS is enabled */
+/* #undef USE_GNUTLS */
+
+/* if libSSH2 is in use */
+/* #undef USE_LIBSSH2 */
+
+/* If you want to build curl with the built-in manual */
+/* #undef USE_MANUAL */
+
+/* if NSS is enabled */
+/* #undef USE_NSS */
+
+/* if OpenSSL is in use */
+#define USE_OPENSSL
+
+/* if SSL is enabled */
+#define USE_SSLEAY
+
+/* Define to 1 if you are building a Windows target without large file
+   support. */
+/* #undef USE_WIN32_LARGE_FILES */
+
+/* to enable SSPI support */
+/* #undef USE_WINDOWS_SSPI */
+
+/* Define to 1 if using yaSSL in OpenSSL compatibility mode. */
+/* #undef USE_YASSLEMUL */
+
+/* Version number of package */
+#define VERSION "7.19.4"
+
+/* Define to avoid automatic inclusion of winsock.h */
+/* #undef WIN32_LEAN_AND_MEAN */
+
+/* Define to 1 if OS is AIX. */
+#ifndef _ALL_SOURCE
+/* #  undef _ALL_SOURCE */
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+/* #undef _FILE_OFFSET_BITS */
+
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* define this if you need it to compile thread-safe code */
+/* #undef _THREAD_SAFE */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Type to use in place of in_addr_t when system does not provide it. */
+/* #undef in_addr_t */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+/* #undef inline */
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+/* Type to use in place of socklen_t when system does not provide it. */
+/* #undef socklen_t */
+
+/* the signed version of size_t */
+/* #undef ssize_t */
+
+/* The size of `curl_off_t', as computed by sizeof. */
+#define SIZEOF_CURL_OFF_T 8
Index: trunk/src/libs/curl-7.64.0/config.h.freebsd.amd64
===================================================================
--- trunk/src/libs/curl-7.64.0/config.h.freebsd.amd64	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/config.h.freebsd.amd64	(revision 85671)
@@ -0,0 +1,953 @@
+/* lib/config.h.  Generated from config.h.in by configure.  */
+/* lib/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if you have the $func function. */
+/* #undef AS_TR_CPP */
+
+/* when building libcurl itself */
+/* #undef BUILDING_LIBCURL */
+
+/* Location of default ca bundle */
+#define CURL_CA_BUNDLE "/usr/local/share/curl/curl-ca-bundle.crt"
+
+/* Location of default ca path */
+/* #undef CURL_CA_PATH */
+
+/* to disable cookies support */
+/* #undef CURL_DISABLE_COOKIES */
+
+/* to disable cryptographic authentication */
+/* #undef CURL_DISABLE_CRYPTO_AUTH */
+
+/* to disable DICT */
+/* #undef CURL_DISABLE_DICT */
+
+/* to disable FILE */
+/* #undef CURL_DISABLE_FILE */
+
+/* to disable FTP */
+/* #undef CURL_DISABLE_FTP */
+
+/* to disable HTTP */
+/* #undef CURL_DISABLE_HTTP */
+
+/* to disable LDAP */
+#define CURL_DISABLE_LDAP 1
+
+/* to disable LDAPS */
+#define CURL_DISABLE_LDAPS 1
+
+/* to disable proxies */
+/* #undef CURL_DISABLE_PROXY */
+
+/* to disable TELNET */
+/* #undef CURL_DISABLE_TELNET */
+
+/* to disable TFTP */
+/* #undef CURL_DISABLE_TFTP */
+
+/* to disable verbose strings */
+/* #undef CURL_DISABLE_VERBOSE_STRINGS */
+
+/* to make a symbol visible */
+/* #undef CURL_EXTERN_SYMBOL */
+
+/* to enable hidden symbols */
+/* #undef CURL_HIDDEN_SYMBOLS */
+
+/* W$ LDAP with non-W$ compiler */
+/* #undef CURL_LDAP_HYBRID */
+
+/* Use W$ LDAP implementation */
+/* #undef CURL_LDAP_WIN */
+
+/* when not building a shared library */
+/* #undef CURL_STATICLIB */
+
+/* Set to explicitly specify we don't want to use thread-safe functions */
+/* #undef DISABLED_THREADSAFE */
+
+/* your Entropy Gathering Daemon socket pathname */
+/* #undef EGD_SOCKET */
+
+/* Define if you want to enable IPv6 support */
+#define ENABLE_IPV6 1
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 size_t
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 int
+
+/* Specifies the number of arguments to getservbyport_r */
+#define GETSERVBYPORT_R_ARGS 6
+
+/* Specifies the size of the buffer to pass to getservbyport_r */
+#define GETSERVBYPORT_R_BUFSIZE 4096
+
+/* Define to 1 if you have the alarm function. */
+#define HAVE_ALARM 1
+
+/* Define to 1 if you have the <alloca.h> header file. */
+/* #undef HAVE_ALLOCA_H */
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <arpa/tftp.h> header file. */
+#define HAVE_ARPA_TFTP_H 1
+
+/* Define to 1 if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the `basename' function. */
+#define HAVE_BASENAME 1
+
+/* Define to 1 if bool is an available type. */
+#define HAVE_BOOL_T 1
+
+/* Define to 1 if you have the clock_gettime function and monotonic timer. */
+#define HAVE_CLOCK_GETTIME_MONOTONIC 1
+
+/* Define to 1 if you have the `closesocket' function. */
+/* #undef HAVE_CLOSESOCKET */
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function. */
+/* #undef HAVE_CRYPTO_CLEANUP_ALL_EX_DATA */
+
+/* Define to 1 if you have the <crypto.h> header file. */
+/* #undef HAVE_CRYPTO_H */
+
+/* Define to 1 if you have the <des.h> header file. */
+/* #undef HAVE_DES_H */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the `ENGINE_load_builtin_engines' function. */
+/* #undef HAVE_ENGINE_LOAD_BUILTIN_ENGINES */
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the <err.h> header file. */
+/* #undef HAVE_ERR_H */
+
+/* Define to 1 if you have the fcntl function. */
+#define HAVE_FCNTL 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have a working fcntl O_NONBLOCK function. */
+#define HAVE_FCNTL_O_NONBLOCK 1
+
+/* Define to 1 if you have the fdopen function. */
+#define HAVE_FDOPEN 1
+
+/* Define to 1 if you have the `fork' function. */
+#define HAVE_FORK 1
+
+/* Define to 1 if you have the freeaddrinfo function. */
+#define HAVE_FREEADDRINFO 1
+
+/* Define to 1 if you have the freeifaddrs function. */
+#define HAVE_FREEIFADDRS 1
+
+/* Define to 1 if you have the ftruncate function. */
+#define HAVE_FTRUNCATE 1
+
+/* Define to 1 if you have a working getaddrinfo function. */
+#define HAVE_GETADDRINFO 1
+
+/* Define to 1 if you have the `geteuid' function. */
+#define HAVE_GETEUID 1
+
+/* Define to 1 if you have the gethostbyaddr function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* Define to 1 if you have the gethostbyaddr_r function. */
+#define HAVE_GETHOSTBYADDR_R 1
+
+/* gethostbyaddr_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYADDR_R_5 */
+
+/* gethostbyaddr_r() takes 7 args */
+/* #undef HAVE_GETHOSTBYADDR_R_7 */
+
+/* gethostbyaddr_r() takes 8 args */
+#define HAVE_GETHOSTBYADDR_R_8 1
+
+/* Define to 1 if you have the gethostbyname function. */
+#define HAVE_GETHOSTBYNAME 1
+
+/* Define to 1 if you have the gethostbyname_r function. */
+#define HAVE_GETHOSTBYNAME_R 1
+
+/* gethostbyname_r() takes 3 args */
+/* #undef HAVE_GETHOSTBYNAME_R_3 */
+
+/* gethostbyname_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYNAME_R_5 */
+
+/* gethostbyname_r() takes 6 args */
+#define HAVE_GETHOSTBYNAME_R_6 1
+
+/* Define to 1 if you have the gethostname function. */
+#define HAVE_GETHOSTNAME 1
+
+/* Define to 1 if you have a working getifaddrs function. */
+#define HAVE_GETIFADDRS 1
+
+/* Define to 1 if you have the getnameinfo function. */
+#define HAVE_GETNAMEINFO 1
+
+/* Define to 1 if you have the `getpass_r' function. */
+/* #undef HAVE_GETPASS_R */
+
+/* Define to 1 if you have the `getppid' function. */
+#define HAVE_GETPPID 1
+
+/* Define to 1 if you have the `getprotobyname' function. */
+#define HAVE_GETPROTOBYNAME 1
+
+/* Define to 1 if you have the `getpwuid' function. */
+#define HAVE_GETPWUID 1
+
+/* Define to 1 if you have the `getrlimit' function. */
+#define HAVE_GETRLIMIT 1
+
+/* Define to 1 if you have the getservbyport_r function. */
+#define HAVE_GETSERVBYPORT_R 1
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY 1
+
+/* Define to 1 if you have a working glibc-style strerror_r function. */
+/* #undef HAVE_GLIBC_STRERROR_R */
+
+/* Define to 1 if you have a working gmtime_r function. */
+#define HAVE_GMTIME_R 1
+
+/* if you have the gssapi libraries */
+/* #undef HAVE_GSSAPI */
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_GENERIC_H */
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_H */
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_KRB5_H */
+
+/* if you have the GNU gssapi libraries */
+/* #undef HAVE_GSSGNU */
+
+/* if you have the Heimdal gssapi libraries */
+/* #undef HAVE_GSSHEIMDAL */
+
+/* if you have the MIT gssapi libraries */
+/* #undef HAVE_GSSMIT */
+
+/* Define to 1 if you have the `idna_strerror' function. */
+/* #undef HAVE_IDNA_STRERROR */
+
+/* Define to 1 if you have the `idn_free' function. */
+/* #undef HAVE_IDN_FREE */
+
+/* Define to 1 if you have the <idn-free.h> header file. */
+/* #undef HAVE_IDN_FREE_H */
+
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+#define HAVE_IFADDRS_H 1
+
+/* Define to 1 if you have the `inet_addr' function. */
+#define HAVE_INET_ADDR 1
+
+/* Define to 1 if you have the inet_ntoa_r function. */
+#define HAVE_INET_NTOA_R 1
+
+/* inet_ntoa_r() takes 2 args */
+/* #undef HAVE_INET_NTOA_R_2 */
+
+/* inet_ntoa_r() takes 3 args */
+#define HAVE_INET_NTOA_R_3 1
+
+/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
+#define HAVE_INET_NTOP 1
+
+/* Define to 1 if you have a IPv6 capable working inet_pton function. */
+#define HAVE_INET_PTON 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the ioctl function. */
+#define HAVE_IOCTL 1
+
+/* Define to 1 if you have the ioctlsocket function. */
+/* #undef HAVE_IOCTLSOCKET */
+
+/* Define to 1 if you have the IoctlSocket camel case function. */
+/* #undef HAVE_IOCTLSOCKET_CAMEL */
+
+/* Define to 1 if you have a working IoctlSocket camel case FIONBIO function.
+   */
+/* #undef HAVE_IOCTLSOCKET_CAMEL_FIONBIO */
+
+/* Define to 1 if you have a working ioctlsocket FIONBIO function. */
+/* #undef HAVE_IOCTLSOCKET_FIONBIO */
+
+/* Define to 1 if you have a working ioctl FIONBIO function. */
+#define HAVE_IOCTL_FIONBIO 1
+
+/* Define to 1 if you have a working ioctl SIOCGIFADDR function. */
+#define HAVE_IOCTL_SIOCGIFADDR 1
+
+/* Define to 1 if you have the <io.h> header file. */
+/* #undef HAVE_IO_H */
+
+/* if you have the Kerberos4 libraries (including -ldes) */
+/* #undef HAVE_KRB4 */
+
+/* Define to 1 if you have the `krb_get_our_ip_for_realm' function. */
+/* #undef HAVE_KRB_GET_OUR_IP_FOR_REALM */
+
+/* Define to 1 if you have the <krb.h> header file. */
+/* #undef HAVE_KRB_H */
+
+/* Define to 1 if you have the lber.h header file. */
+/* #undef HAVE_LBER_H */
+
+/* Define to 1 if you have the ldapssl.h header file. */
+/* #undef HAVE_LDAPSSL_H */
+
+/* Define to 1 if you have the ldap.h header file. */
+/* #undef HAVE_LDAP_H */
+
+/* Use LDAPS implementation */
+/* #undef HAVE_LDAP_SSL */
+
+/* Define to 1 if you have the ldap_ssl.h header file. */
+/* #undef HAVE_LDAP_SSL_H */
+
+/* Define to 1 if you have the `ldap_url_parse' function. */
+/* #undef HAVE_LDAP_URL_PARSE */
+
+/* Define to 1 if you have the <libgen.h> header file. */
+#define HAVE_LIBGEN_H 1
+
+/* Define to 1 if you have the `idn' library (-lidn). */
+/* #undef HAVE_LIBIDN */
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+/* #undef HAVE_LIBRESOLV */
+
+/* Define to 1 if you have the `resolve' library (-lresolve). */
+/* #undef HAVE_LIBRESOLVE */
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+/* #undef HAVE_LIBSOCKET */
+
+/* Define to 1 if you have the `ssh2' library (-lssh2). */
+/* #undef HAVE_LIBSSH2 */
+
+/* Define to 1 if you have the <libssh2.h> header file. */
+/* #undef HAVE_LIBSSH2_H */
+
+/* Define to 1 if you have the `ssl' library (-lssl). */
+/* #undef HAVE_LIBSSL */
+
+/* if zlib is available */
+#define HAVE_LIBZ 1
+
+/* Define to 1 if you have the <limits.h> header file. */
+#define HAVE_LIMITS_H 1
+
+/* if your compiler supports LL */
+#define HAVE_LL 1
+
+/* Define to 1 if you have the <locale.h> header file. */
+#define HAVE_LOCALE_H 1
+
+/* Define to 1 if you have a working localtime_r function. */
+#define HAVE_LOCALTIME_R 1
+
+/* Define to 1 if the compiler supports the 'long long' data type. */
+#define HAVE_LONGLONG 1
+
+/* Define to 1 if you have the malloc.h header file. */
+/* #undef HAVE_MALLOC_H */
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the MSG_NOSIGNAL flag. */
+#define HAVE_MSG_NOSIGNAL 1
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#define HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#define HAVE_NETINET_TCP_H 1
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H 1
+
+/* Define to 1 if NI_WITHSCOPEID exists and works. */
+/* #undef HAVE_NI_WITHSCOPEID */
+
+/* if you have an old MIT gssapi library, lacking GSS_C_NT_HOSTBASED_SERVICE
+   */
+/* #undef HAVE_OLD_GSSMIT */
+
+/* Define to 1 if you have the <openssl/crypto.h> header file. */
+/* #undef HAVE_OPENSSL_CRYPTO_H */
+
+/* Define to 1 if you have the <openssl/engine.h> header file. */
+/* #undef HAVE_OPENSSL_ENGINE_H */
+
+/* Define to 1 if you have the <openssl/err.h> header file. */
+/* #undef HAVE_OPENSSL_ERR_H */
+
+/* Define to 1 if you have the <openssl/pem.h> header file. */
+/* #undef HAVE_OPENSSL_PEM_H */
+
+/* Define to 1 if you have the <openssl/pkcs12.h> header file. */
+/* #undef HAVE_OPENSSL_PKCS12_H */
+
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+/* #undef HAVE_OPENSSL_RSA_H */
+
+/* Define to 1 if you have the <openssl/ssl.h> header file. */
+/* #undef HAVE_OPENSSL_SSL_H */
+
+/* Define to 1 if you have the <openssl/x509.h> header file. */
+/* #undef HAVE_OPENSSL_X509_H */
+
+/* Define to 1 if you have the <pem.h> header file. */
+/* #undef HAVE_PEM_H */
+
+/* Define to 1 if you have the `perror' function. */
+#define HAVE_PERROR 1
+
+/* Define to 1 if you have the `pipe' function. */
+#define HAVE_PIPE 1
+
+/* if you have the function PK11_CreateGenericObject */
+/* #undef HAVE_PK11_CREATEGENERICOBJECT */
+
+/* Define to 1 if you have a working poll function. */
+#define HAVE_POLL 1
+
+/* If you have a fine poll */
+#define HAVE_POLL_FINE 1
+
+/* Define to 1 if you have the <poll.h> header file. */
+#define HAVE_POLL_H 1
+
+/* Define to 1 if you have a working POSIX-style strerror_r function. */
+#define HAVE_POSIX_STRERROR_R 1
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#define HAVE_PWD_H 1
+
+/* Define to 1 if you have the `RAND_egd' function. */
+/* #undef HAVE_RAND_EGD */
+
+/* Define to 1 if you have the `RAND_screen' function. */
+/* #undef HAVE_RAND_SCREEN */
+
+/* Define to 1 if you have the `RAND_status' function. */
+/* #undef HAVE_RAND_STATUS */
+
+/* Define to 1 if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to 1 if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to 1 if you have the <rsa.h> header file. */
+/* #undef HAVE_RSA_H */
+
+/* Define to 1 if you have the select function. */
+#define HAVE_SELECT 1
+
+/* Define to 1 if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#define HAVE_SETJMP_H 1
+
+/* Define to 1 if you have the `setlocale' function. */
+#define HAVE_SETLOCALE 1
+
+/* Define to 1 if you have the `setmode' function. */
+#define HAVE_SETMODE 1
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define HAVE_SETRLIMIT 1
+
+/* Define to 1 if you have the setsockopt function. */
+#define HAVE_SETSOCKOPT 1
+
+/* Define to 1 if you have a working setsockopt SO_NONBLOCK function. */
+/* #undef HAVE_SETSOCKOPT_SO_NONBLOCK */
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+#define HAVE_SGTTY_H 1
+
+/* Define to 1 if you have the sigaction function. */
+#define HAVE_SIGACTION 1
+
+/* Define to 1 if you have the siginterrupt function. */
+#define HAVE_SIGINTERRUPT 1
+
+/* Define to 1 if you have the signal function. */
+#define HAVE_SIGNAL 1
+
+/* Define to 1 if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define to 1 if you have the sigsetjmp function or macro. */
+#define HAVE_SIGSETJMP 1
+
+/* Define to 1 if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define to 1 if sig_atomic_t is already defined as volatile. */
+/* #undef HAVE_SIG_ATOMIC_T_VOLATILE */
+
+/* Define to 1 if struct sockaddr_in6 has the sin6_scope_id member */
+#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define this if you have the SPNEGO library fbopenssl */
+/* #undef HAVE_SPNEGO */
+
+/* Define to 1 if you have the `SSL_get_shutdown' function. */
+/* #undef HAVE_SSL_GET_SHUTDOWN */
+
+/* Define to 1 if you have the <ssl.h> header file. */
+/* #undef HAVE_SSL_H */
+
+/* Define to 1 if you have the <stdbool.h> header file. */
+#define HAVE_STDBOOL_H 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the strcasecmp function. */
+#define HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the strcasestr function. */
+#define HAVE_STRCASESTR 1
+
+/* Define to 1 if you have the strcmpi function. */
+/* #undef HAVE_STRCMPI */
+
+/* Define to 1 if you have the strdup function. */
+#define HAVE_STRDUP 1
+
+/* Define to 1 if you have the strerror_r function. */
+#define HAVE_STRERROR_R 1
+
+/* Define to 1 if you have the stricmp function. */
+/* #undef HAVE_STRICMP */
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the strlcat function. */
+#define HAVE_STRLCAT 1
+
+/* Define to 1 if you have the `strlcpy' function. */
+/* #undef HAVE_STRLCPY */
+
+/* Define to 1 if you have the strncasecmp function. */
+#define HAVE_STRNCASECMP 1
+
+/* Define to 1 if you have the strncmpi function. */
+/* #undef HAVE_STRNCMPI */
+
+/* Define to 1 if you have the strnicmp function. */
+/* #undef HAVE_STRNICMP */
+
+/* Define to 1 if you have the <stropts.h> header file. */
+/* #undef HAVE_STROPTS_H */
+
+/* Define to 1 if you have the strstr function. */
+#define HAVE_STRSTR 1
+
+/* Define to 1 if you have the strtok_r function. */
+#define HAVE_STRTOK_R 1
+
+/* Define to 1 if you have the strtoll function. */
+#define HAVE_STRTOLL 1
+
+/* if struct sockaddr_storage is defined */
+#define HAVE_STRUCT_SOCKADDR_STORAGE 1
+
+/* Define to 1 if you have the timeval struct. */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* Define to 1 if you have the <sys/filio.h> header file. */
+#define HAVE_SYS_FILIO_H 1
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#define HAVE_SYS_PARAM_H 1
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+#define HAVE_SYS_POLL_H 1
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define HAVE_SYS_RESOURCE_H 1
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#define HAVE_SYS_SELECT_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+#define HAVE_SYS_SOCKIO_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#define HAVE_SYS_UIO_H 1
+
+/* Define to 1 if you have the <sys/un.h> header file. */
+#define HAVE_SYS_UN_H 1
+
+/* Define to 1 if you have the <sys/utime.h> header file. */
+/* #undef HAVE_SYS_UTIME_H */
+
+/* Define to 1 if you have the <termios.h> header file. */
+#define HAVE_TERMIOS_H 1
+
+/* Define to 1 if you have the <termio.h> header file. */
+/* #undef HAVE_TERMIO_H */
+
+/* Define to 1 if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define to 1 if you have the <tld.h> header file. */
+/* #undef HAVE_TLD_H */
+
+/* Define to 1 if you have the `tld_strerror' function. */
+/* #undef HAVE_TLD_STRERROR */
+
+/* Define to 1 if you have the `uname' function. */
+#define HAVE_UNAME 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `utime' function. */
+#define HAVE_UTIME 1
+
+/* Define to 1 if you have the <utime.h> header file. */
+#define HAVE_UTIME_H 1
+
+/* Define to 1 if compiler supports C99 variadic macro style. */
+#define HAVE_VARIADIC_MACROS_C99 1
+
+/* Define to 1 if compiler supports old gcc variadic macro style. */
+#define HAVE_VARIADIC_MACROS_GCC 1
+
+/* Define to 1 if you have the winber.h header file. */
+/* #undef HAVE_WINBER_H */
+
+/* Define to 1 if you have the windows.h header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* Define to 1 if you have the winldap.h header file. */
+/* #undef HAVE_WINLDAP_H */
+
+/* Define to 1 if you have the winsock2.h header file. */
+/* #undef HAVE_WINSOCK2_H */
+
+/* Define to 1 if you have the winsock.h header file. */
+/* #undef HAVE_WINSOCK_H */
+
+/* Define this symbol if your OS supports changing the contents of argv */
+#define HAVE_WRITABLE_ARGV 1
+
+/* Define to 1 if you have the writev function. */
+#define HAVE_WRITEV 1
+
+/* Define to 1 if you have the ws2tcpip.h header file. */
+/* #undef HAVE_WS2TCPIP_H */
+
+/* Define to 1 if you have the <x509.h> header file. */
+/* #undef HAVE_X509_H */
+
+/* if you have the zlib.h header file */
+#define HAVE_ZLIB_H 1
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#define LT_OBJDIR ".libs/"
+
+/* Define to 1 if you are building a native Windows target. */
+/* #undef NATIVE_WINDOWS */
+
+/* If you lack a fine basename() prototype */
+/* #undef NEED_BASENAME_PROTO */
+
+/* Define to 1 if you need the lber.h header file even with ldap.h */
+/* #undef NEED_LBER_H */
+
+/* Define to 1 if you need the malloc.h header file even with stdlib.h */
+/* #undef NEED_MALLOC_H */
+
+/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
+/* #undef NEED_REENTRANT */
+
+/* cpu-machine-OS */
+#define OS "i386-unknown-freebsd7.0"
+
+/* Name of package */
+#define PACKAGE "curl"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "a suitable curl mailing list => http://curl.haxx.se/mail/"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "curl"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "curl -"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "curl"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "-"
+
+/* a suitable file to read random data from */
+/* #undef RANDOM_FILE */
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 int
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 void
+
+/* Define to 1 if the type pointed by arg 2 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG2_IS_VOID 1
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to 1 if the type pointed by arg 5 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG5_IS_VOID */
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 socklen_t
+
+/* Define to 1 if the type pointed by arg 6 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG6_IS_VOID */
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV int
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV int
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* Define to the type qualifier of arg 5 for select. */
+#define SELECT_QUAL_ARG5 
+
+/* Define to the type of arg 1 for select. */
+#define SELECT_TYPE_ARG1 int
+
+/* Define to the type of args 2, 3 and 4 for select. */
+#define SELECT_TYPE_ARG234 fd_set *
+
+/* Define to the type of arg 5 for select. */
+#define SELECT_TYPE_ARG5 struct timeval *
+
+/* Define to the function return type for select. */
+#define SELECT_TYPE_RETV int
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV int
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 4
+
+/* The size of `off_t', as computed by sizeof. */
+#define SIZEOF_OFF_T 8
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 4
+
+/* The size of `time_t', as computed by sizeof. */
+#define SIZEOF_TIME_T 4
+
+/* The size of `void*', as computed by sizeof. */
+#define SIZEOF_VOIDP 4
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define to the type of arg 3 for strerror_r. */
+#define STRERROR_R_TYPE_ARG3 size_t
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* Define if you want to enable c-ares support */
+/* #undef USE_ARES */
+
+/* Define to disable non-blocking sockets. */
+/* #undef USE_BLOCKING_SOCKETS */
+
+/* if GnuTLS is enabled */
+/* #undef USE_GNUTLS */
+
+/* if libSSH2 is in use */
+/* #undef USE_LIBSSH2 */
+
+/* If you want to build curl with the built-in manual */
+/* #undef USE_MANUAL */
+
+/* if NSS is enabled */
+/* #undef USE_NSS */
+
+/* if OpenSSL is in use */
+/* #undef USE_OPENSSL */
+
+/* if SSL is enabled */
+/* #undef USE_SSLEAY */
+
+/* Define to 1 if you are building a Windows target without large file
+   support. */
+/* #undef USE_WIN32_LARGE_FILES */
+
+/* to enable SSPI support */
+/* #undef USE_WINDOWS_SSPI */
+
+/* Define to 1 if using yaSSL in OpenSSL compatibility mode. */
+/* #undef USE_YASSLEMUL */
+
+/* Version number of package */
+#define VERSION "7.19.4"
+
+/* Define to avoid automatic inclusion of winsock.h */
+/* #undef WIN32_LEAN_AND_MEAN */
+
+/* Define to 1 if OS is AIX. */
+#ifndef _ALL_SOURCE
+/* #  undef _ALL_SOURCE */
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+/* #undef _FILE_OFFSET_BITS */
+
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* define this if you need it to compile thread-safe code */
+/* #undef _THREAD_SAFE */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Type to use in place of in_addr_t when system does not provide it. */
+/* #undef in_addr_t */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+/* #undef inline */
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+/* Type to use in place of socklen_t when system does not provide it. */
+/* #undef socklen_t */
+
+/* the signed version of size_t */
+/* #undef ssize_t */
+
+/* The size of `curl_off_t', as computed by sizeof. */
+#define SIZEOF_CURL_OFF_T 8
Index: trunk/src/libs/curl-7.64.0/config.h.freebsd.x86
===================================================================
--- trunk/src/libs/curl-7.64.0/config.h.freebsd.x86	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/config.h.freebsd.x86	(revision 85671)
@@ -0,0 +1,953 @@
+/* lib/config.h.  Generated from config.h.in by configure.  */
+/* lib/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if you have the $func function. */
+/* #undef AS_TR_CPP */
+
+/* when building libcurl itself */
+/* #undef BUILDING_LIBCURL */
+
+/* Location of default ca bundle */
+#define CURL_CA_BUNDLE "/usr/local/share/curl/curl-ca-bundle.crt"
+
+/* Location of default ca path */
+/* #undef CURL_CA_PATH */
+
+/* to disable cookies support */
+/* #undef CURL_DISABLE_COOKIES */
+
+/* to disable cryptographic authentication */
+/* #undef CURL_DISABLE_CRYPTO_AUTH */
+
+/* to disable DICT */
+/* #undef CURL_DISABLE_DICT */
+
+/* to disable FILE */
+/* #undef CURL_DISABLE_FILE */
+
+/* to disable FTP */
+/* #undef CURL_DISABLE_FTP */
+
+/* to disable HTTP */
+/* #undef CURL_DISABLE_HTTP */
+
+/* to disable LDAP */
+#define CURL_DISABLE_LDAP 1
+
+/* to disable LDAPS */
+#define CURL_DISABLE_LDAPS 1
+
+/* to disable proxies */
+/* #undef CURL_DISABLE_PROXY */
+
+/* to disable TELNET */
+/* #undef CURL_DISABLE_TELNET */
+
+/* to disable TFTP */
+/* #undef CURL_DISABLE_TFTP */
+
+/* to disable verbose strings */
+/* #undef CURL_DISABLE_VERBOSE_STRINGS */
+
+/* to make a symbol visible */
+/* #undef CURL_EXTERN_SYMBOL */
+
+/* to enable hidden symbols */
+/* #undef CURL_HIDDEN_SYMBOLS */
+
+/* W$ LDAP with non-W$ compiler */
+/* #undef CURL_LDAP_HYBRID */
+
+/* Use W$ LDAP implementation */
+/* #undef CURL_LDAP_WIN */
+
+/* when not building a shared library */
+/* #undef CURL_STATICLIB */
+
+/* Set to explicitly specify we don't want to use thread-safe functions */
+/* #undef DISABLED_THREADSAFE */
+
+/* your Entropy Gathering Daemon socket pathname */
+/* #undef EGD_SOCKET */
+
+/* Define if you want to enable IPv6 support */
+#define ENABLE_IPV6 1
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 size_t
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 int
+
+/* Specifies the number of arguments to getservbyport_r */
+#define GETSERVBYPORT_R_ARGS 6
+
+/* Specifies the size of the buffer to pass to getservbyport_r */
+#define GETSERVBYPORT_R_BUFSIZE 4096
+
+/* Define to 1 if you have the alarm function. */
+#define HAVE_ALARM 1
+
+/* Define to 1 if you have the <alloca.h> header file. */
+/* #undef HAVE_ALLOCA_H */
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <arpa/tftp.h> header file. */
+#define HAVE_ARPA_TFTP_H 1
+
+/* Define to 1 if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the `basename' function. */
+#define HAVE_BASENAME 1
+
+/* Define to 1 if bool is an available type. */
+#define HAVE_BOOL_T 1
+
+/* Define to 1 if you have the clock_gettime function and monotonic timer. */
+#define HAVE_CLOCK_GETTIME_MONOTONIC 1
+
+/* Define to 1 if you have the `closesocket' function. */
+/* #undef HAVE_CLOSESOCKET */
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function. */
+/* #undef HAVE_CRYPTO_CLEANUP_ALL_EX_DATA */
+
+/* Define to 1 if you have the <crypto.h> header file. */
+/* #undef HAVE_CRYPTO_H */
+
+/* Define to 1 if you have the <des.h> header file. */
+/* #undef HAVE_DES_H */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the `ENGINE_load_builtin_engines' function. */
+/* #undef HAVE_ENGINE_LOAD_BUILTIN_ENGINES */
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the <err.h> header file. */
+/* #undef HAVE_ERR_H */
+
+/* Define to 1 if you have the fcntl function. */
+#define HAVE_FCNTL 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have a working fcntl O_NONBLOCK function. */
+#define HAVE_FCNTL_O_NONBLOCK 1
+
+/* Define to 1 if you have the fdopen function. */
+#define HAVE_FDOPEN 1
+
+/* Define to 1 if you have the `fork' function. */
+#define HAVE_FORK 1
+
+/* Define to 1 if you have the freeaddrinfo function. */
+#define HAVE_FREEADDRINFO 1
+
+/* Define to 1 if you have the freeifaddrs function. */
+#define HAVE_FREEIFADDRS 1
+
+/* Define to 1 if you have the ftruncate function. */
+#define HAVE_FTRUNCATE 1
+
+/* Define to 1 if you have a working getaddrinfo function. */
+#define HAVE_GETADDRINFO 1
+
+/* Define to 1 if you have the `geteuid' function. */
+#define HAVE_GETEUID 1
+
+/* Define to 1 if you have the gethostbyaddr function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* Define to 1 if you have the gethostbyaddr_r function. */
+#define HAVE_GETHOSTBYADDR_R 1
+
+/* gethostbyaddr_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYADDR_R_5 */
+
+/* gethostbyaddr_r() takes 7 args */
+/* #undef HAVE_GETHOSTBYADDR_R_7 */
+
+/* gethostbyaddr_r() takes 8 args */
+#define HAVE_GETHOSTBYADDR_R_8 1
+
+/* Define to 1 if you have the gethostbyname function. */
+#define HAVE_GETHOSTBYNAME 1
+
+/* Define to 1 if you have the gethostbyname_r function. */
+#define HAVE_GETHOSTBYNAME_R 1
+
+/* gethostbyname_r() takes 3 args */
+/* #undef HAVE_GETHOSTBYNAME_R_3 */
+
+/* gethostbyname_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYNAME_R_5 */
+
+/* gethostbyname_r() takes 6 args */
+#define HAVE_GETHOSTBYNAME_R_6 1
+
+/* Define to 1 if you have the gethostname function. */
+#define HAVE_GETHOSTNAME 1
+
+/* Define to 1 if you have a working getifaddrs function. */
+#define HAVE_GETIFADDRS 1
+
+/* Define to 1 if you have the getnameinfo function. */
+#define HAVE_GETNAMEINFO 1
+
+/* Define to 1 if you have the `getpass_r' function. */
+/* #undef HAVE_GETPASS_R */
+
+/* Define to 1 if you have the `getppid' function. */
+#define HAVE_GETPPID 1
+
+/* Define to 1 if you have the `getprotobyname' function. */
+#define HAVE_GETPROTOBYNAME 1
+
+/* Define to 1 if you have the `getpwuid' function. */
+#define HAVE_GETPWUID 1
+
+/* Define to 1 if you have the `getrlimit' function. */
+#define HAVE_GETRLIMIT 1
+
+/* Define to 1 if you have the getservbyport_r function. */
+#define HAVE_GETSERVBYPORT_R 1
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY 1
+
+/* Define to 1 if you have a working glibc-style strerror_r function. */
+/* #undef HAVE_GLIBC_STRERROR_R */
+
+/* Define to 1 if you have a working gmtime_r function. */
+#define HAVE_GMTIME_R 1
+
+/* if you have the gssapi libraries */
+/* #undef HAVE_GSSAPI */
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_GENERIC_H */
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_H */
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_KRB5_H */
+
+/* if you have the GNU gssapi libraries */
+/* #undef HAVE_GSSGNU */
+
+/* if you have the Heimdal gssapi libraries */
+/* #undef HAVE_GSSHEIMDAL */
+
+/* if you have the MIT gssapi libraries */
+/* #undef HAVE_GSSMIT */
+
+/* Define to 1 if you have the `idna_strerror' function. */
+/* #undef HAVE_IDNA_STRERROR */
+
+/* Define to 1 if you have the `idn_free' function. */
+/* #undef HAVE_IDN_FREE */
+
+/* Define to 1 if you have the <idn-free.h> header file. */
+/* #undef HAVE_IDN_FREE_H */
+
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+#define HAVE_IFADDRS_H 1
+
+/* Define to 1 if you have the `inet_addr' function. */
+#define HAVE_INET_ADDR 1
+
+/* Define to 1 if you have the inet_ntoa_r function. */
+#define HAVE_INET_NTOA_R 1
+
+/* inet_ntoa_r() takes 2 args */
+/* #undef HAVE_INET_NTOA_R_2 */
+
+/* inet_ntoa_r() takes 3 args */
+#define HAVE_INET_NTOA_R_3 1
+
+/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
+#define HAVE_INET_NTOP 1
+
+/* Define to 1 if you have a IPv6 capable working inet_pton function. */
+#define HAVE_INET_PTON 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the ioctl function. */
+#define HAVE_IOCTL 1
+
+/* Define to 1 if you have the ioctlsocket function. */
+/* #undef HAVE_IOCTLSOCKET */
+
+/* Define to 1 if you have the IoctlSocket camel case function. */
+/* #undef HAVE_IOCTLSOCKET_CAMEL */
+
+/* Define to 1 if you have a working IoctlSocket camel case FIONBIO function.
+   */
+/* #undef HAVE_IOCTLSOCKET_CAMEL_FIONBIO */
+
+/* Define to 1 if you have a working ioctlsocket FIONBIO function. */
+/* #undef HAVE_IOCTLSOCKET_FIONBIO */
+
+/* Define to 1 if you have a working ioctl FIONBIO function. */
+#define HAVE_IOCTL_FIONBIO 1
+
+/* Define to 1 if you have a working ioctl SIOCGIFADDR function. */
+#define HAVE_IOCTL_SIOCGIFADDR 1
+
+/* Define to 1 if you have the <io.h> header file. */
+/* #undef HAVE_IO_H */
+
+/* if you have the Kerberos4 libraries (including -ldes) */
+/* #undef HAVE_KRB4 */
+
+/* Define to 1 if you have the `krb_get_our_ip_for_realm' function. */
+/* #undef HAVE_KRB_GET_OUR_IP_FOR_REALM */
+
+/* Define to 1 if you have the <krb.h> header file. */
+/* #undef HAVE_KRB_H */
+
+/* Define to 1 if you have the lber.h header file. */
+/* #undef HAVE_LBER_H */
+
+/* Define to 1 if you have the ldapssl.h header file. */
+/* #undef HAVE_LDAPSSL_H */
+
+/* Define to 1 if you have the ldap.h header file. */
+/* #undef HAVE_LDAP_H */
+
+/* Use LDAPS implementation */
+/* #undef HAVE_LDAP_SSL */
+
+/* Define to 1 if you have the ldap_ssl.h header file. */
+/* #undef HAVE_LDAP_SSL_H */
+
+/* Define to 1 if you have the `ldap_url_parse' function. */
+/* #undef HAVE_LDAP_URL_PARSE */
+
+/* Define to 1 if you have the <libgen.h> header file. */
+#define HAVE_LIBGEN_H 1
+
+/* Define to 1 if you have the `idn' library (-lidn). */
+/* #undef HAVE_LIBIDN */
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+/* #undef HAVE_LIBRESOLV */
+
+/* Define to 1 if you have the `resolve' library (-lresolve). */
+/* #undef HAVE_LIBRESOLVE */
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+/* #undef HAVE_LIBSOCKET */
+
+/* Define to 1 if you have the `ssh2' library (-lssh2). */
+/* #undef HAVE_LIBSSH2 */
+
+/* Define to 1 if you have the <libssh2.h> header file. */
+/* #undef HAVE_LIBSSH2_H */
+
+/* Define to 1 if you have the `ssl' library (-lssl). */
+/* #undef HAVE_LIBSSL */
+
+/* if zlib is available */
+#define HAVE_LIBZ 1
+
+/* Define to 1 if you have the <limits.h> header file. */
+#define HAVE_LIMITS_H 1
+
+/* if your compiler supports LL */
+#define HAVE_LL 1
+
+/* Define to 1 if you have the <locale.h> header file. */
+#define HAVE_LOCALE_H 1
+
+/* Define to 1 if you have a working localtime_r function. */
+#define HAVE_LOCALTIME_R 1
+
+/* Define to 1 if the compiler supports the 'long long' data type. */
+#define HAVE_LONGLONG 1
+
+/* Define to 1 if you have the malloc.h header file. */
+/* #undef HAVE_MALLOC_H */
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the MSG_NOSIGNAL flag. */
+#define HAVE_MSG_NOSIGNAL 1
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#define HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#define HAVE_NETINET_TCP_H 1
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H 1
+
+/* Define to 1 if NI_WITHSCOPEID exists and works. */
+/* #undef HAVE_NI_WITHSCOPEID */
+
+/* if you have an old MIT gssapi library, lacking GSS_C_NT_HOSTBASED_SERVICE
+   */
+/* #undef HAVE_OLD_GSSMIT */
+
+/* Define to 1 if you have the <openssl/crypto.h> header file. */
+/* #undef HAVE_OPENSSL_CRYPTO_H */
+
+/* Define to 1 if you have the <openssl/engine.h> header file. */
+/* #undef HAVE_OPENSSL_ENGINE_H */
+
+/* Define to 1 if you have the <openssl/err.h> header file. */
+/* #undef HAVE_OPENSSL_ERR_H */
+
+/* Define to 1 if you have the <openssl/pem.h> header file. */
+/* #undef HAVE_OPENSSL_PEM_H */
+
+/* Define to 1 if you have the <openssl/pkcs12.h> header file. */
+/* #undef HAVE_OPENSSL_PKCS12_H */
+
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+/* #undef HAVE_OPENSSL_RSA_H */
+
+/* Define to 1 if you have the <openssl/ssl.h> header file. */
+/* #undef HAVE_OPENSSL_SSL_H */
+
+/* Define to 1 if you have the <openssl/x509.h> header file. */
+/* #undef HAVE_OPENSSL_X509_H */
+
+/* Define to 1 if you have the <pem.h> header file. */
+/* #undef HAVE_PEM_H */
+
+/* Define to 1 if you have the `perror' function. */
+#define HAVE_PERROR 1
+
+/* Define to 1 if you have the `pipe' function. */
+#define HAVE_PIPE 1
+
+/* if you have the function PK11_CreateGenericObject */
+/* #undef HAVE_PK11_CREATEGENERICOBJECT */
+
+/* Define to 1 if you have a working poll function. */
+#define HAVE_POLL 1
+
+/* If you have a fine poll */
+#define HAVE_POLL_FINE 1
+
+/* Define to 1 if you have the <poll.h> header file. */
+#define HAVE_POLL_H 1
+
+/* Define to 1 if you have a working POSIX-style strerror_r function. */
+#define HAVE_POSIX_STRERROR_R 1
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#define HAVE_PWD_H 1
+
+/* Define to 1 if you have the `RAND_egd' function. */
+/* #undef HAVE_RAND_EGD */
+
+/* Define to 1 if you have the `RAND_screen' function. */
+/* #undef HAVE_RAND_SCREEN */
+
+/* Define to 1 if you have the `RAND_status' function. */
+/* #undef HAVE_RAND_STATUS */
+
+/* Define to 1 if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to 1 if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to 1 if you have the <rsa.h> header file. */
+/* #undef HAVE_RSA_H */
+
+/* Define to 1 if you have the select function. */
+#define HAVE_SELECT 1
+
+/* Define to 1 if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#define HAVE_SETJMP_H 1
+
+/* Define to 1 if you have the `setlocale' function. */
+#define HAVE_SETLOCALE 1
+
+/* Define to 1 if you have the `setmode' function. */
+#define HAVE_SETMODE 1
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define HAVE_SETRLIMIT 1
+
+/* Define to 1 if you have the setsockopt function. */
+#define HAVE_SETSOCKOPT 1
+
+/* Define to 1 if you have a working setsockopt SO_NONBLOCK function. */
+/* #undef HAVE_SETSOCKOPT_SO_NONBLOCK */
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+#define HAVE_SGTTY_H 1
+
+/* Define to 1 if you have the sigaction function. */
+#define HAVE_SIGACTION 1
+
+/* Define to 1 if you have the siginterrupt function. */
+#define HAVE_SIGINTERRUPT 1
+
+/* Define to 1 if you have the signal function. */
+#define HAVE_SIGNAL 1
+
+/* Define to 1 if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define to 1 if you have the sigsetjmp function or macro. */
+#define HAVE_SIGSETJMP 1
+
+/* Define to 1 if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define to 1 if sig_atomic_t is already defined as volatile. */
+/* #undef HAVE_SIG_ATOMIC_T_VOLATILE */
+
+/* Define to 1 if struct sockaddr_in6 has the sin6_scope_id member */
+#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define this if you have the SPNEGO library fbopenssl */
+/* #undef HAVE_SPNEGO */
+
+/* Define to 1 if you have the `SSL_get_shutdown' function. */
+/* #undef HAVE_SSL_GET_SHUTDOWN */
+
+/* Define to 1 if you have the <ssl.h> header file. */
+/* #undef HAVE_SSL_H */
+
+/* Define to 1 if you have the <stdbool.h> header file. */
+#define HAVE_STDBOOL_H 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the strcasecmp function. */
+#define HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the strcasestr function. */
+#define HAVE_STRCASESTR 1
+
+/* Define to 1 if you have the strcmpi function. */
+/* #undef HAVE_STRCMPI */
+
+/* Define to 1 if you have the strdup function. */
+#define HAVE_STRDUP 1
+
+/* Define to 1 if you have the strerror_r function. */
+#define HAVE_STRERROR_R 1
+
+/* Define to 1 if you have the stricmp function. */
+/* #undef HAVE_STRICMP */
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the strlcat function. */
+#define HAVE_STRLCAT 1
+
+/* Define to 1 if you have the `strlcpy' function. */
+/* #undef HAVE_STRLCPY */
+
+/* Define to 1 if you have the strncasecmp function. */
+#define HAVE_STRNCASECMP 1
+
+/* Define to 1 if you have the strncmpi function. */
+/* #undef HAVE_STRNCMPI */
+
+/* Define to 1 if you have the strnicmp function. */
+/* #undef HAVE_STRNICMP */
+
+/* Define to 1 if you have the <stropts.h> header file. */
+/* #undef HAVE_STROPTS_H */
+
+/* Define to 1 if you have the strstr function. */
+#define HAVE_STRSTR 1
+
+/* Define to 1 if you have the strtok_r function. */
+#define HAVE_STRTOK_R 1
+
+/* Define to 1 if you have the strtoll function. */
+#define HAVE_STRTOLL 1
+
+/* if struct sockaddr_storage is defined */
+#define HAVE_STRUCT_SOCKADDR_STORAGE 1
+
+/* Define to 1 if you have the timeval struct. */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* Define to 1 if you have the <sys/filio.h> header file. */
+#define HAVE_SYS_FILIO_H 1
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#define HAVE_SYS_PARAM_H 1
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+#define HAVE_SYS_POLL_H 1
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define HAVE_SYS_RESOURCE_H 1
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#define HAVE_SYS_SELECT_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+#define HAVE_SYS_SOCKIO_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#define HAVE_SYS_UIO_H 1
+
+/* Define to 1 if you have the <sys/un.h> header file. */
+#define HAVE_SYS_UN_H 1
+
+/* Define to 1 if you have the <sys/utime.h> header file. */
+/* #undef HAVE_SYS_UTIME_H */
+
+/* Define to 1 if you have the <termios.h> header file. */
+#define HAVE_TERMIOS_H 1
+
+/* Define to 1 if you have the <termio.h> header file. */
+/* #undef HAVE_TERMIO_H */
+
+/* Define to 1 if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define to 1 if you have the <tld.h> header file. */
+/* #undef HAVE_TLD_H */
+
+/* Define to 1 if you have the `tld_strerror' function. */
+/* #undef HAVE_TLD_STRERROR */
+
+/* Define to 1 if you have the `uname' function. */
+#define HAVE_UNAME 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `utime' function. */
+#define HAVE_UTIME 1
+
+/* Define to 1 if you have the <utime.h> header file. */
+#define HAVE_UTIME_H 1
+
+/* Define to 1 if compiler supports C99 variadic macro style. */
+#define HAVE_VARIADIC_MACROS_C99 1
+
+/* Define to 1 if compiler supports old gcc variadic macro style. */
+#define HAVE_VARIADIC_MACROS_GCC 1
+
+/* Define to 1 if you have the winber.h header file. */
+/* #undef HAVE_WINBER_H */
+
+/* Define to 1 if you have the windows.h header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* Define to 1 if you have the winldap.h header file. */
+/* #undef HAVE_WINLDAP_H */
+
+/* Define to 1 if you have the winsock2.h header file. */
+/* #undef HAVE_WINSOCK2_H */
+
+/* Define to 1 if you have the winsock.h header file. */
+/* #undef HAVE_WINSOCK_H */
+
+/* Define this symbol if your OS supports changing the contents of argv */
+#define HAVE_WRITABLE_ARGV 1
+
+/* Define to 1 if you have the writev function. */
+#define HAVE_WRITEV 1
+
+/* Define to 1 if you have the ws2tcpip.h header file. */
+/* #undef HAVE_WS2TCPIP_H */
+
+/* Define to 1 if you have the <x509.h> header file. */
+/* #undef HAVE_X509_H */
+
+/* if you have the zlib.h header file */
+#define HAVE_ZLIB_H 1
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#define LT_OBJDIR ".libs/"
+
+/* Define to 1 if you are building a native Windows target. */
+/* #undef NATIVE_WINDOWS */
+
+/* If you lack a fine basename() prototype */
+/* #undef NEED_BASENAME_PROTO */
+
+/* Define to 1 if you need the lber.h header file even with ldap.h */
+/* #undef NEED_LBER_H */
+
+/* Define to 1 if you need the malloc.h header file even with stdlib.h */
+/* #undef NEED_MALLOC_H */
+
+/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
+/* #undef NEED_REENTRANT */
+
+/* cpu-machine-OS */
+#define OS "i386-unknown-freebsd7.0"
+
+/* Name of package */
+#define PACKAGE "curl"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "a suitable curl mailing list => http://curl.haxx.se/mail/"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "curl"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "curl -"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "curl"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "-"
+
+/* a suitable file to read random data from */
+/* #undef RANDOM_FILE */
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 int
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 void
+
+/* Define to 1 if the type pointed by arg 2 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG2_IS_VOID 1
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to 1 if the type pointed by arg 5 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG5_IS_VOID */
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 socklen_t
+
+/* Define to 1 if the type pointed by arg 6 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG6_IS_VOID */
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV int
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV int
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* Define to the type qualifier of arg 5 for select. */
+#define SELECT_QUAL_ARG5 
+
+/* Define to the type of arg 1 for select. */
+#define SELECT_TYPE_ARG1 int
+
+/* Define to the type of args 2, 3 and 4 for select. */
+#define SELECT_TYPE_ARG234 fd_set *
+
+/* Define to the type of arg 5 for select. */
+#define SELECT_TYPE_ARG5 struct timeval *
+
+/* Define to the function return type for select. */
+#define SELECT_TYPE_RETV int
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV int
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 4
+
+/* The size of `off_t', as computed by sizeof. */
+#define SIZEOF_OFF_T 8
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 4
+
+/* The size of `time_t', as computed by sizeof. */
+#define SIZEOF_TIME_T 4
+
+/* The size of `void*', as computed by sizeof. */
+#define SIZEOF_VOIDP 4
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define to the type of arg 3 for strerror_r. */
+#define STRERROR_R_TYPE_ARG3 size_t
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* Define if you want to enable c-ares support */
+/* #undef USE_ARES */
+
+/* Define to disable non-blocking sockets. */
+/* #undef USE_BLOCKING_SOCKETS */
+
+/* if GnuTLS is enabled */
+/* #undef USE_GNUTLS */
+
+/* if libSSH2 is in use */
+/* #undef USE_LIBSSH2 */
+
+/* If you want to build curl with the built-in manual */
+/* #undef USE_MANUAL */
+
+/* if NSS is enabled */
+/* #undef USE_NSS */
+
+/* if OpenSSL is in use */
+/* #undef USE_OPENSSL */
+
+/* if SSL is enabled */
+/* #undef USE_SSLEAY */
+
+/* Define to 1 if you are building a Windows target without large file
+   support. */
+/* #undef USE_WIN32_LARGE_FILES */
+
+/* to enable SSPI support */
+/* #undef USE_WINDOWS_SSPI */
+
+/* Define to 1 if using yaSSL in OpenSSL compatibility mode. */
+/* #undef USE_YASSLEMUL */
+
+/* Version number of package */
+#define VERSION "7.19.4"
+
+/* Define to avoid automatic inclusion of winsock.h */
+/* #undef WIN32_LEAN_AND_MEAN */
+
+/* Define to 1 if OS is AIX. */
+#ifndef _ALL_SOURCE
+/* #  undef _ALL_SOURCE */
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+/* #undef _FILE_OFFSET_BITS */
+
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* define this if you need it to compile thread-safe code */
+/* #undef _THREAD_SAFE */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Type to use in place of in_addr_t when system does not provide it. */
+/* #undef in_addr_t */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+/* #undef inline */
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+/* Type to use in place of socklen_t when system does not provide it. */
+/* #undef socklen_t */
+
+/* the signed version of size_t */
+/* #undef ssize_t */
+
+/* The size of `curl_off_t', as computed by sizeof. */
+#define SIZEOF_CURL_OFF_T 8
Index: trunk/src/libs/curl-7.64.0/config.h.linux.amd64
===================================================================
--- trunk/src/libs/curl-7.64.0/config.h.linux.amd64	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/config.h.linux.amd64	(revision 85671)
@@ -0,0 +1,953 @@
+/* lib/config.h.  Generated from config.h.in by configure.  */
+/* lib/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if you have the $func function. */
+/* #undef AS_TR_CPP */
+
+/* when building libcurl itself */
+/* #undef BUILDING_LIBCURL */
+
+/* Location of default ca bundle */
+#define CURL_CA_BUNDLE "/etc/ssl/certs/ca-certificates.crt"
+
+/* Location of default ca path */
+/* #undef CURL_CA_PATH */
+
+/* to disable cookies support */
+/* #undef CURL_DISABLE_COOKIES */
+
+/* to disable cryptographic authentication */
+/* #undef CURL_DISABLE_CRYPTO_AUTH */
+
+/* to disable DICT */
+/* #undef CURL_DISABLE_DICT */
+
+/* to disable FILE */
+/* #undef CURL_DISABLE_FILE */
+
+/* to disable FTP */
+/* #undef CURL_DISABLE_FTP */
+
+/* to disable HTTP */
+/* #undef CURL_DISABLE_HTTP */
+
+/* to disable LDAP */
+#define CURL_DISABLE_LDAP 1
+
+/* to disable LDAPS */
+#define CURL_DISABLE_LDAPS 1
+
+/* to disable proxies */
+/* #undef CURL_DISABLE_PROXY */
+
+/* to disable TELNET */
+/* #undef CURL_DISABLE_TELNET */
+
+/* to disable TFTP */
+/* #undef CURL_DISABLE_TFTP */
+
+/* to disable verbose strings */
+/* #undef CURL_DISABLE_VERBOSE_STRINGS */
+
+/* to make a symbol visible */
+/* #undef CURL_EXTERN_SYMBOL */
+
+/* to enable hidden symbols */
+/* #undef CURL_HIDDEN_SYMBOLS */
+
+/* W$ LDAP with non-W$ compiler */
+/* #undef CURL_LDAP_HYBRID */
+
+/* Use W$ LDAP implementation */
+/* #undef CURL_LDAP_WIN */
+
+/* when not building a shared library */
+/* #undef CURL_STATICLIB */
+
+/* Set to explicitly specify we don't want to use thread-safe functions */
+/* #undef DISABLED_THREADSAFE */
+
+/* your Entropy Gathering Daemon socket pathname */
+/* #undef EGD_SOCKET */
+
+/* Define if you want to enable IPv6 support */
+#define ENABLE_IPV6 1
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 socklen_t
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 unsigned int
+
+/* Specifies the number of arguments to getservbyport_r */
+#define GETSERVBYPORT_R_ARGS 6
+
+/* Specifies the size of the buffer to pass to getservbyport_r */
+#define GETSERVBYPORT_R_BUFSIZE 4096
+
+/* Define to 1 if you have the alarm function. */
+#define HAVE_ALARM 1
+
+/* Define to 1 if you have the <alloca.h> header file. */
+#define HAVE_ALLOCA_H 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <arpa/tftp.h> header file. */
+#define HAVE_ARPA_TFTP_H 1
+
+/* Define to 1 if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the `basename' function. */
+#define HAVE_BASENAME 1
+
+/* Define to 1 if bool is an available type. */
+#define HAVE_BOOL_T 1
+
+/* Define to 1 if you have the clock_gettime function and monotonic timer. */
+#define HAVE_CLOCK_GETTIME_MONOTONIC 1
+
+/* Define to 1 if you have the `closesocket' function. */
+/* #undef HAVE_CLOSESOCKET */
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function. */
+/* #undef HAVE_CRYPTO_CLEANUP_ALL_EX_DATA */
+
+/* Define to 1 if you have the <crypto.h> header file. */
+/* #undef HAVE_CRYPTO_H */
+
+/* Define to 1 if you have the <des.h> header file. */
+/* #undef HAVE_DES_H */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the `ENGINE_load_builtin_engines' function. */
+/* #undef HAVE_ENGINE_LOAD_BUILTIN_ENGINES */
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the <err.h> header file. */
+/* #undef HAVE_ERR_H */
+
+/* Define to 1 if you have the fcntl function. */
+#define HAVE_FCNTL 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have a working fcntl O_NONBLOCK function. */
+#define HAVE_FCNTL_O_NONBLOCK 1
+
+/* Define to 1 if you have the fdopen function. */
+#define HAVE_FDOPEN 1
+
+/* Define to 1 if you have the `fork' function. */
+#define HAVE_FORK 1
+
+/* Define to 1 if you have the freeaddrinfo function. */
+#define HAVE_FREEADDRINFO 1
+
+/* Define to 1 if you have the freeifaddrs function. */
+#define HAVE_FREEIFADDRS 1
+
+/* Define to 1 if you have the ftruncate function. */
+#define HAVE_FTRUNCATE 1
+
+/* Define to 1 if you have a working getaddrinfo function. */
+#define HAVE_GETADDRINFO 1
+
+/* Define to 1 if you have the `geteuid' function. */
+#define HAVE_GETEUID 1
+
+/* Define to 1 if you have the gethostbyaddr function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* Define to 1 if you have the gethostbyaddr_r function. */
+#define HAVE_GETHOSTBYADDR_R 1
+
+/* gethostbyaddr_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYADDR_R_5 */
+
+/* gethostbyaddr_r() takes 7 args */
+/* #undef HAVE_GETHOSTBYADDR_R_7 */
+
+/* gethostbyaddr_r() takes 8 args */
+#define HAVE_GETHOSTBYADDR_R_8 1
+
+/* Define to 1 if you have the gethostbyname function. */
+#define HAVE_GETHOSTBYNAME 1
+
+/* Define to 1 if you have the gethostbyname_r function. */
+#define HAVE_GETHOSTBYNAME_R 1
+
+/* gethostbyname_r() takes 3 args */
+/* #undef HAVE_GETHOSTBYNAME_R_3 */
+
+/* gethostbyname_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYNAME_R_5 */
+
+/* gethostbyname_r() takes 6 args */
+#define HAVE_GETHOSTBYNAME_R_6 1
+
+/* Define to 1 if you have the gethostname function. */
+#define HAVE_GETHOSTNAME 1
+
+/* Define to 1 if you have a working getifaddrs function. */
+#define HAVE_GETIFADDRS 1
+
+/* Define to 1 if you have the getnameinfo function. */
+#define HAVE_GETNAMEINFO 1
+
+/* Define to 1 if you have the `getpass_r' function. */
+/* #undef HAVE_GETPASS_R */
+
+/* Define to 1 if you have the `getppid' function. */
+#define HAVE_GETPPID 1
+
+/* Define to 1 if you have the `getprotobyname' function. */
+#define HAVE_GETPROTOBYNAME 1
+
+/* Define to 1 if you have the `getpwuid' function. */
+#define HAVE_GETPWUID 1
+
+/* Define to 1 if you have the `getrlimit' function. */
+#define HAVE_GETRLIMIT 1
+
+/* Define to 1 if you have the getservbyport_r function. */
+#define HAVE_GETSERVBYPORT_R 1
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY 1
+
+/* Define to 1 if you have a working glibc-style strerror_r function. */
+/* #undef HAVE_GLIBC_STRERROR_R 1 */
+
+/* Define to 1 if you have a working gmtime_r function. */
+#define HAVE_GMTIME_R 1
+
+/* if you have the gssapi libraries */
+/* #undef HAVE_GSSAPI */
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_GENERIC_H */
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_H */
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_KRB5_H */
+
+/* if you have the GNU gssapi libraries */
+/* #undef HAVE_GSSGNU */
+
+/* if you have the Heimdal gssapi libraries */
+/* #undef HAVE_GSSHEIMDAL */
+
+/* if you have the MIT gssapi libraries */
+/* #undef HAVE_GSSMIT */
+
+/* Define to 1 if you have the `idna_strerror' function. */
+/* #undef HAVE_IDNA_STRERROR */
+
+/* Define to 1 if you have the `idn_free' function. */
+/* #undef HAVE_IDN_FREE */
+
+/* Define to 1 if you have the <idn-free.h> header file. */
+/* #undef HAVE_IDN_FREE_H */
+
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+#define HAVE_IFADDRS_H 1
+
+/* Define to 1 if you have the `inet_addr' function. */
+#define HAVE_INET_ADDR 1
+
+/* Define to 1 if you have the inet_ntoa_r function. */
+/* #undef HAVE_INET_NTOA_R */
+
+/* inet_ntoa_r() takes 2 args */
+/* #undef HAVE_INET_NTOA_R_2 */
+
+/* inet_ntoa_r() takes 3 args */
+/* #undef HAVE_INET_NTOA_R_3 */
+
+/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
+#define HAVE_INET_NTOP 1
+
+/* Define to 1 if you have a IPv6 capable working inet_pton function. */
+#define HAVE_INET_PTON 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the ioctl function. */
+#define HAVE_IOCTL 1
+
+/* Define to 1 if you have the ioctlsocket function. */
+/* #undef HAVE_IOCTLSOCKET */
+
+/* Define to 1 if you have the IoctlSocket camel case function. */
+/* #undef HAVE_IOCTLSOCKET_CAMEL */
+
+/* Define to 1 if you have a working IoctlSocket camel case FIONBIO function.
+   */
+/* #undef HAVE_IOCTLSOCKET_CAMEL_FIONBIO */
+
+/* Define to 1 if you have a working ioctlsocket FIONBIO function. */
+/* #undef HAVE_IOCTLSOCKET_FIONBIO */
+
+/* Define to 1 if you have a working ioctl FIONBIO function. */
+#define HAVE_IOCTL_FIONBIO 1
+
+/* Define to 1 if you have a working ioctl SIOCGIFADDR function. */
+#define HAVE_IOCTL_SIOCGIFADDR 1
+
+/* Define to 1 if you have the <io.h> header file. */
+/* #undef HAVE_IO_H */
+
+/* if you have the Kerberos4 libraries (including -ldes) */
+/* #undef HAVE_KRB4 */
+
+/* Define to 1 if you have the `krb_get_our_ip_for_realm' function. */
+/* #undef HAVE_KRB_GET_OUR_IP_FOR_REALM */
+
+/* Define to 1 if you have the <krb.h> header file. */
+/* #undef HAVE_KRB_H */
+
+/* Define to 1 if you have the lber.h header file. */
+/* #undef HAVE_LBER_H */
+
+/* Define to 1 if you have the ldapssl.h header file. */
+/* #undef HAVE_LDAPSSL_H */
+
+/* Define to 1 if you have the ldap.h header file. */
+/* #undef HAVE_LDAP_H */
+
+/* Use LDAPS implementation */
+/* #undef HAVE_LDAP_SSL */
+
+/* Define to 1 if you have the ldap_ssl.h header file. */
+/* #undef HAVE_LDAP_SSL_H */
+
+/* Define to 1 if you have the `ldap_url_parse' function. */
+/* #undef HAVE_LDAP_URL_PARSE */
+
+/* Define to 1 if you have the <libgen.h> header file. */
+#define HAVE_LIBGEN_H 1
+
+/* Define to 1 if you have the `idn' library (-lidn). */
+/* #undef HAVE_LIBIDN */
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+/* #undef HAVE_LIBRESOLV */
+
+/* Define to 1 if you have the `resolve' library (-lresolve). */
+/* #undef HAVE_LIBRESOLVE */
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+/* #undef HAVE_LIBSOCKET */
+
+/* Define to 1 if you have the `ssh2' library (-lssh2). */
+/* #undef HAVE_LIBSSH2 */
+
+/* Define to 1 if you have the <libssh2.h> header file. */
+/* #undef HAVE_LIBSSH2_H */
+
+/* Define to 1 if you have the `ssl' library (-lssl). */
+/* #undef HAVE_LIBSSL */
+
+/* if zlib is available */
+#define HAVE_LIBZ 1
+
+/* Define to 1 if you have the <limits.h> header file. */
+#define HAVE_LIMITS_H 1
+
+/* if your compiler supports LL */
+#define HAVE_LL 1
+
+/* Define to 1 if you have the <locale.h> header file. */
+#define HAVE_LOCALE_H 1
+
+/* Define to 1 if you have a working localtime_r function. */
+#define HAVE_LOCALTIME_R 1
+
+/* Define to 1 if the compiler supports the 'long long' data type. */
+#define HAVE_LONGLONG 1
+
+/* Define to 1 if you have the malloc.h header file. */
+#define HAVE_MALLOC_H 1
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the MSG_NOSIGNAL flag. */
+#define HAVE_MSG_NOSIGNAL 1
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#define HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#define HAVE_NETINET_TCP_H 1
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H 1
+
+/* Define to 1 if NI_WITHSCOPEID exists and works. */
+/* #undef HAVE_NI_WITHSCOPEID */
+
+/* if you have an old MIT gssapi library, lacking GSS_C_NT_HOSTBASED_SERVICE
+   */
+/* #undef HAVE_OLD_GSSMIT */
+
+/* Define to 1 if you have the <openssl/crypto.h> header file. */
+/* #undef HAVE_OPENSSL_CRYPTO_H */
+
+/* Define to 1 if you have the <openssl/engine.h> header file. */
+/* #undef HAVE_OPENSSL_ENGINE_H */
+
+/* Define to 1 if you have the <openssl/err.h> header file. */
+/* #undef HAVE_OPENSSL_ERR_H */
+
+/* Define to 1 if you have the <openssl/pem.h> header file. */
+/* #undef HAVE_OPENSSL_PEM_H */
+
+/* Define to 1 if you have the <openssl/pkcs12.h> header file. */
+/* #undef HAVE_OPENSSL_PKCS12_H */
+
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+/* #undef HAVE_OPENSSL_RSA_H */
+
+/* Define to 1 if you have the <openssl/ssl.h> header file. */
+/* #undef HAVE_OPENSSL_SSL_H */
+
+/* Define to 1 if you have the <openssl/x509.h> header file. */
+/* #undef HAVE_OPENSSL_X509_H */
+
+/* Define to 1 if you have the <pem.h> header file. */
+/* #undef HAVE_PEM_H */
+
+/* Define to 1 if you have the `perror' function. */
+#define HAVE_PERROR 1
+
+/* Define to 1 if you have the `pipe' function. */
+#define HAVE_PIPE 1
+
+/* if you have the function PK11_CreateGenericObject */
+/* #undef HAVE_PK11_CREATEGENERICOBJECT */
+
+/* Define to 1 if you have a working poll function. */
+#define HAVE_POLL 1
+
+/* If you have a fine poll */
+#define HAVE_POLL_FINE 1
+
+/* Define to 1 if you have the <poll.h> header file. */
+#define HAVE_POLL_H 1
+
+/* Define to 1 if you have a working POSIX-style strerror_r function. */
+#define HAVE_POSIX_STRERROR_R 1
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#define HAVE_PWD_H 1
+
+/* Define to 1 if you have the `RAND_egd' function. */
+/* #undef HAVE_RAND_EGD */
+
+/* Define to 1 if you have the `RAND_screen' function. */
+/* #undef HAVE_RAND_SCREEN */
+
+/* Define to 1 if you have the `RAND_status' function. */
+/* #undef HAVE_RAND_STATUS */
+
+/* Define to 1 if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to 1 if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to 1 if you have the <rsa.h> header file. */
+/* #undef HAVE_RSA_H */
+
+/* Define to 1 if you have the select function. */
+#define HAVE_SELECT 1
+
+/* Define to 1 if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#define HAVE_SETJMP_H 1
+
+/* Define to 1 if you have the `setlocale' function. */
+#define HAVE_SETLOCALE 1
+
+/* Define to 1 if you have the `setmode' function. */
+/* #undef HAVE_SETMODE */
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define HAVE_SETRLIMIT 1
+
+/* Define to 1 if you have the setsockopt function. */
+#define HAVE_SETSOCKOPT 1
+
+/* Define to 1 if you have a working setsockopt SO_NONBLOCK function. */
+/* #undef HAVE_SETSOCKOPT_SO_NONBLOCK */
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+#define HAVE_SGTTY_H 1
+
+/* Define to 1 if you have the sigaction function. */
+#define HAVE_SIGACTION 1
+
+/* Define to 1 if you have the siginterrupt function. */
+#define HAVE_SIGINTERRUPT 1
+
+/* Define to 1 if you have the signal function. */
+#define HAVE_SIGNAL 1
+
+/* Define to 1 if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define to 1 if you have the sigsetjmp function or macro. */
+#define HAVE_SIGSETJMP 1
+
+/* Define to 1 if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define to 1 if sig_atomic_t is already defined as volatile. */
+/* #undef HAVE_SIG_ATOMIC_T_VOLATILE */
+
+/* Define to 1 if struct sockaddr_in6 has the sin6_scope_id member */
+#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define this if you have the SPNEGO library fbopenssl */
+/* #undef HAVE_SPNEGO */
+
+/* Define to 1 if you have the `SSL_get_shutdown' function. */
+/* #undef HAVE_SSL_GET_SHUTDOWN */
+
+/* Define to 1 if you have the <ssl.h> header file. */
+/* #undef HAVE_SSL_H */
+
+/* Define to 1 if you have the <stdbool.h> header file. */
+#define HAVE_STDBOOL_H 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the strcasecmp function. */
+#define HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the strcasestr function. */
+/* #undef HAVE_STRCASESTR */
+
+/* Define to 1 if you have the strcmpi function. */
+/* #undef HAVE_STRCMPI */
+
+/* Define to 1 if you have the strdup function. */
+#define HAVE_STRDUP 1
+
+/* Define to 1 if you have the strerror_r function. */
+#define HAVE_STRERROR_R 1
+
+/* Define to 1 if you have the stricmp function. */
+/* #undef HAVE_STRICMP */
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the strlcat function. */
+/* #undef HAVE_STRLCAT */
+
+/* Define to 1 if you have the `strlcpy' function. */
+/* #undef HAVE_STRLCPY */
+
+/* Define to 1 if you have the strncasecmp function. */
+#define HAVE_STRNCASECMP 1
+
+/* Define to 1 if you have the strncmpi function. */
+/* #undef HAVE_STRNCMPI */
+
+/* Define to 1 if you have the strnicmp function. */
+/* #undef HAVE_STRNICMP */
+
+/* Define to 1 if you have the <stropts.h> header file. */
+/* #define HAVE_STROPTS_H 1 - not on every distro (fedora 10 for instance). */
+
+/* Define to 1 if you have the strstr function. */
+#define HAVE_STRSTR 1
+
+/* Define to 1 if you have the strtok_r function. */
+#define HAVE_STRTOK_R 1
+
+/* Define to 1 if you have the strtoll function. */
+#define HAVE_STRTOLL 1
+
+/* if struct sockaddr_storage is defined */
+#define HAVE_STRUCT_SOCKADDR_STORAGE 1
+
+/* Define to 1 if you have the timeval struct. */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* Define to 1 if you have the <sys/filio.h> header file. */
+/* #undef HAVE_SYS_FILIO_H */
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#define HAVE_SYS_PARAM_H 1
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+#define HAVE_SYS_POLL_H 1
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define HAVE_SYS_RESOURCE_H 1
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#define HAVE_SYS_SELECT_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+/* #undef HAVE_SYS_SOCKIO_H */
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#define HAVE_SYS_UIO_H 1
+
+/* Define to 1 if you have the <sys/un.h> header file. */
+#define HAVE_SYS_UN_H 1
+
+/* Define to 1 if you have the <sys/utime.h> header file. */
+/* #undef HAVE_SYS_UTIME_H */
+
+/* Define to 1 if you have the <termios.h> header file. */
+#define HAVE_TERMIOS_H 1
+
+/* Define to 1 if you have the <termio.h> header file. */
+#define HAVE_TERMIO_H 1
+
+/* Define to 1 if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define to 1 if you have the <tld.h> header file. */
+/* #undef HAVE_TLD_H */
+
+/* Define to 1 if you have the `tld_strerror' function. */
+/* #undef HAVE_TLD_STRERROR */
+
+/* Define to 1 if you have the `uname' function. */
+#define HAVE_UNAME 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `utime' function. */
+#define HAVE_UTIME 1
+
+/* Define to 1 if you have the <utime.h> header file. */
+#define HAVE_UTIME_H 1
+
+/* Define to 1 if compiler supports C99 variadic macro style. */
+#define HAVE_VARIADIC_MACROS_C99 1
+
+/* Define to 1 if compiler supports old gcc variadic macro style. */
+#define HAVE_VARIADIC_MACROS_GCC 1
+
+/* Define to 1 if you have the winber.h header file. */
+/* #undef HAVE_WINBER_H */
+
+/* Define to 1 if you have the windows.h header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* Define to 1 if you have the winldap.h header file. */
+/* #undef HAVE_WINLDAP_H */
+
+/* Define to 1 if you have the winsock2.h header file. */
+/* #undef HAVE_WINSOCK2_H */
+
+/* Define to 1 if you have the winsock.h header file. */
+/* #undef HAVE_WINSOCK_H */
+
+/* Define this symbol if your OS supports changing the contents of argv */
+#define HAVE_WRITABLE_ARGV 1
+
+/* Define to 1 if you have the writev function. */
+#define HAVE_WRITEV 1
+
+/* Define to 1 if you have the ws2tcpip.h header file. */
+/* #undef HAVE_WS2TCPIP_H */
+
+/* Define to 1 if you have the <x509.h> header file. */
+/* #undef HAVE_X509_H */
+
+/* if you have the zlib.h header file */
+#define HAVE_ZLIB_H 1
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#define LT_OBJDIR ".libs/"
+
+/* Define to 1 if you are building a native Windows target. */
+/* #undef NATIVE_WINDOWS */
+
+/* If you lack a fine basename() prototype */
+/* #undef NEED_BASENAME_PROTO */
+
+/* Define to 1 if you need the lber.h header file even with ldap.h */
+/* #undef NEED_LBER_H */
+
+/* Define to 1 if you need the malloc.h header file even with stdlib.h */
+/* #undef NEED_MALLOC_H */
+
+/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
+/* #undef NEED_REENTRANT */
+
+/* cpu-machine-OS */
+#define OS "x86_64-unknown-linux-gnu"
+
+/* Name of package */
+#define PACKAGE "curl"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "a suitable curl mailing list => http://curl.haxx.se/mail/"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "curl"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "curl -"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "curl"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "-"
+
+/* a suitable file to read random data from */
+/* #undef RANDOM_FILE */
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 int
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 void
+
+/* Define to 1 if the type pointed by arg 2 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG2_IS_VOID 1
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to 1 if the type pointed by arg 5 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG5_IS_VOID */
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 socklen_t
+
+/* Define to 1 if the type pointed by arg 6 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG6_IS_VOID */
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV ssize_t
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV ssize_t
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* Define to the type qualifier of arg 5 for select. */
+#define SELECT_QUAL_ARG5
+
+/* Define to the type of arg 1 for select. */
+#define SELECT_TYPE_ARG1 int
+
+/* Define to the type of args 2, 3 and 4 for select. */
+#define SELECT_TYPE_ARG234 fd_set *
+
+/* Define to the type of arg 5 for select. */
+#define SELECT_TYPE_ARG5 struct timeval *
+
+/* Define to the function return type for select. */
+#define SELECT_TYPE_RETV int
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV ssize_t
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 8
+
+/* The size of `off_t', as computed by sizeof. */
+#define SIZEOF_OFF_T 8
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 8
+
+/* The size of `time_t', as computed by sizeof. */
+#define SIZEOF_TIME_T 8
+
+/* The size of `void*', as computed by sizeof. */
+#define SIZEOF_VOIDP 8
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define to the type of arg 3 for strerror_r. */
+#define STRERROR_R_TYPE_ARG3 size_t
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* Define if you want to enable c-ares support */
+/* #undef USE_ARES */
+
+/* Define to disable non-blocking sockets. */
+/* #undef USE_BLOCKING_SOCKETS */
+
+/* if GnuTLS is enabled */
+/* #undef USE_GNUTLS */
+
+/* if libSSH2 is in use */
+/* #undef USE_LIBSSH2 */
+
+/* If you want to build curl with the built-in manual */
+/* #undef USE_MANUAL */
+
+/* if NSS is enabled */
+/* #undef USE_NSS */
+
+/* if OpenSSL is in use */
+#define USE_OPENSSL
+
+/* if SSL is enabled */
+#define USE_SSLEAY
+
+/* Define to 1 if you are building a Windows target without large file
+   support. */
+/* #undef USE_WIN32_LARGE_FILES */
+
+/* to enable SSPI support */
+/* #undef USE_WINDOWS_SSPI */
+
+/* Define to 1 if using yaSSL in OpenSSL compatibility mode. */
+/* #undef USE_YASSLEMUL */
+
+/* Version number of package */
+#define VERSION "7.19.4"
+
+/* Define to avoid automatic inclusion of winsock.h */
+/* #undef WIN32_LEAN_AND_MEAN */
+
+/* Define to 1 if OS is AIX. */
+#ifndef _ALL_SOURCE
+/* #  undef _ALL_SOURCE */
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+/* #undef _FILE_OFFSET_BITS */
+
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* define this if you need it to compile thread-safe code */
+/* #undef _THREAD_SAFE */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Type to use in place of in_addr_t when system does not provide it. */
+/* #undef in_addr_t */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+/* #undef inline */
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+/* Type to use in place of socklen_t when system does not provide it. */
+/* #undef socklen_t */
+
+/* the signed version of size_t */
+/* #undef ssize_t */
+
+/* The size of `curl_off_t', as computed by sizeof. */
+#define SIZEOF_CURL_OFF_T 8
Index: trunk/src/libs/curl-7.64.0/config.h.linux.x86
===================================================================
--- trunk/src/libs/curl-7.64.0/config.h.linux.x86	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/config.h.linux.x86	(revision 85671)
@@ -0,0 +1,953 @@
+/* lib/config.h.  Generated from config.h.in by configure.  */
+/* lib/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if you have the $func function. */
+/* #undef AS_TR_CPP */
+
+/* when building libcurl itself */
+/* #undef BUILDING_LIBCURL */
+
+/* Location of default ca bundle */
+#define CURL_CA_BUNDLE "/etc/ssl/certs/ca-certificates.crt"
+
+/* Location of default ca path */
+/* #undef CURL_CA_PATH */
+
+/* to disable cookies support */
+/* #undef CURL_DISABLE_COOKIES */
+
+/* to disable cryptographic authentication */
+/* #undef CURL_DISABLE_CRYPTO_AUTH */
+
+/* to disable DICT */
+/* #undef CURL_DISABLE_DICT */
+
+/* to disable FILE */
+/* #undef CURL_DISABLE_FILE */
+
+/* to disable FTP */
+/* #undef CURL_DISABLE_FTP */
+
+/* to disable HTTP */
+/* #undef CURL_DISABLE_HTTP */
+
+/* to disable LDAP */
+#define CURL_DISABLE_LDAP 1
+
+/* to disable LDAPS */
+#define CURL_DISABLE_LDAPS 1
+
+/* to disable proxies */
+/* #undef CURL_DISABLE_PROXY */
+
+/* to disable TELNET */
+/* #undef CURL_DISABLE_TELNET */
+
+/* to disable TFTP */
+/* #undef CURL_DISABLE_TFTP */
+
+/* to disable verbose strings */
+/* #undef CURL_DISABLE_VERBOSE_STRINGS */
+
+/* to make a symbol visible */
+/* #undef CURL_EXTERN_SYMBOL */
+
+/* to enable hidden symbols */
+/* #undef CURL_HIDDEN_SYMBOLS */
+
+/* W$ LDAP with non-W$ compiler */
+/* #undef CURL_LDAP_HYBRID */
+
+/* Use W$ LDAP implementation */
+/* #undef CURL_LDAP_WIN */
+
+/* when not building a shared library */
+/* #undef CURL_STATICLIB */
+
+/* Set to explicitly specify we don't want to use thread-safe functions */
+/* #undef DISABLED_THREADSAFE */
+
+/* your Entropy Gathering Daemon socket pathname */
+/* #undef EGD_SOCKET */
+
+/* Define if you want to enable IPv6 support */
+/* #undef ENABLE_IPV6 */
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 size_t
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 unsigned int
+
+/* Specifies the number of arguments to getservbyport_r */
+#define GETSERVBYPORT_R_ARGS 6
+
+/* Specifies the size of the buffer to pass to getservbyport_r */
+#define GETSERVBYPORT_R_BUFSIZE 4096
+
+/* Define to 1 if you have the alarm function. */
+#define HAVE_ALARM 1
+
+/* Define to 1 if you have the <alloca.h> header file. */
+#define HAVE_ALLOCA_H 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <arpa/tftp.h> header file. */
+#define HAVE_ARPA_TFTP_H 1
+
+/* Define to 1 if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the `basename' function. */
+#define HAVE_BASENAME 1
+
+/* Define to 1 if bool is an available type. */
+#define HAVE_BOOL_T 1
+
+/* Define to 1 if you have the clock_gettime function and monotonic timer. */
+#define HAVE_CLOCK_GETTIME_MONOTONIC 1
+
+/* Define to 1 if you have the `closesocket' function. */
+/* #undef HAVE_CLOSESOCKET */
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function. */
+/* #undef HAVE_CRYPTO_CLEANUP_ALL_EX_DATA */
+
+/* Define to 1 if you have the <crypto.h> header file. */
+/* #undef HAVE_CRYPTO_H */
+
+/* Define to 1 if you have the <des.h> header file. */
+/* #undef HAVE_DES_H */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the `ENGINE_load_builtin_engines' function. */
+/* #undef HAVE_ENGINE_LOAD_BUILTIN_ENGINES */
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the <err.h> header file. */
+/* #undef HAVE_ERR_H */
+
+/* Define to 1 if you have the fcntl function. */
+#define HAVE_FCNTL 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have a working fcntl O_NONBLOCK function. */
+#define HAVE_FCNTL_O_NONBLOCK 1
+
+/* Define to 1 if you have the fdopen function. */
+#define HAVE_FDOPEN 1
+
+/* Define to 1 if you have the `fork' function. */
+#define HAVE_FORK 1
+
+/* Define to 1 if you have the freeaddrinfo function. */
+#define HAVE_FREEADDRINFO 1
+
+/* Define to 1 if you have the freeifaddrs function. */
+#define HAVE_FREEIFADDRS 1
+
+/* Define to 1 if you have the ftruncate function. */
+#define HAVE_FTRUNCATE 1
+
+/* Define to 1 if you have a working getaddrinfo function. */
+#define HAVE_GETADDRINFO 1
+
+/* Define to 1 if you have the `geteuid' function. */
+#define HAVE_GETEUID 1
+
+/* Define to 1 if you have the gethostbyaddr function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* Define to 1 if you have the gethostbyaddr_r function. */
+#define HAVE_GETHOSTBYADDR_R 1
+
+/* gethostbyaddr_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYADDR_R_5 */
+
+/* gethostbyaddr_r() takes 7 args */
+/* #undef HAVE_GETHOSTBYADDR_R_7 */
+
+/* gethostbyaddr_r() takes 8 args */
+#define HAVE_GETHOSTBYADDR_R_8 1
+
+/* Define to 1 if you have the gethostbyname function. */
+#define HAVE_GETHOSTBYNAME 1
+
+/* Define to 1 if you have the gethostbyname_r function. */
+#define HAVE_GETHOSTBYNAME_R 1
+
+/* gethostbyname_r() takes 3 args */
+/* #undef HAVE_GETHOSTBYNAME_R_3 */
+
+/* gethostbyname_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYNAME_R_5 */
+
+/* gethostbyname_r() takes 6 args */
+#define HAVE_GETHOSTBYNAME_R_6 1
+
+/* Define to 1 if you have the gethostname function. */
+#define HAVE_GETHOSTNAME 1
+
+/* Define to 1 if you have a working getifaddrs function. */
+#define HAVE_GETIFADDRS 1
+
+/* Define to 1 if you have the getnameinfo function. */
+#define HAVE_GETNAMEINFO 1
+
+/* Define to 1 if you have the `getpass_r' function. */
+/* #undef HAVE_GETPASS_R */
+
+/* Define to 1 if you have the `getppid' function. */
+#define HAVE_GETPPID 1
+
+/* Define to 1 if you have the `getprotobyname' function. */
+#define HAVE_GETPROTOBYNAME 1
+
+/* Define to 1 if you have the `getpwuid' function. */
+#define HAVE_GETPWUID 1
+
+/* Define to 1 if you have the `getrlimit' function. */
+#define HAVE_GETRLIMIT 1
+
+/* Define to 1 if you have the getservbyport_r function. */
+#define HAVE_GETSERVBYPORT_R 1
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY 1
+
+/* Define to 1 if you have a working glibc-style strerror_r function. */
+/* #undef HAVE_GLIBC_STRERROR_R */
+
+/* Define to 1 if you have a working gmtime_r function. */
+#define HAVE_GMTIME_R 1
+
+/* if you have the gssapi libraries */
+/* #undef HAVE_GSSAPI */
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_GENERIC_H */
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_H */
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_KRB5_H */
+
+/* if you have the GNU gssapi libraries */
+/* #undef HAVE_GSSGNU */
+
+/* if you have the Heimdal gssapi libraries */
+/* #undef HAVE_GSSHEIMDAL */
+
+/* if you have the MIT gssapi libraries */
+/* #undef HAVE_GSSMIT */
+
+/* Define to 1 if you have the `idna_strerror' function. */
+/* #undef HAVE_IDNA_STRERROR */
+
+/* Define to 1 if you have the `idn_free' function. */
+/* #undef HAVE_IDN_FREE */
+
+/* Define to 1 if you have the <idn-free.h> header file. */
+/* #undef HAVE_IDN_FREE_H */
+
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+#define HAVE_IFADDRS_H 1
+
+/* Define to 1 if you have the `inet_addr' function. */
+#define HAVE_INET_ADDR 1
+
+/* Define to 1 if you have the inet_ntoa_r function. */
+/* #undef HAVE_INET_NTOA_R */
+
+/* inet_ntoa_r() takes 2 args */
+/* #undef HAVE_INET_NTOA_R_2 */
+
+/* inet_ntoa_r() takes 3 args */
+/* #undef HAVE_INET_NTOA_R_3 */
+
+/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
+#define HAVE_INET_NTOP 1
+
+/* Define to 1 if you have a IPv6 capable working inet_pton function. */
+#define HAVE_INET_PTON 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the ioctl function. */
+#define HAVE_IOCTL 1
+
+/* Define to 1 if you have the ioctlsocket function. */
+/* #undef HAVE_IOCTLSOCKET */
+
+/* Define to 1 if you have the IoctlSocket camel case function. */
+/* #undef HAVE_IOCTLSOCKET_CAMEL */
+
+/* Define to 1 if you have a working IoctlSocket camel case FIONBIO function.
+   */
+/* #undef HAVE_IOCTLSOCKET_CAMEL_FIONBIO */
+
+/* Define to 1 if you have a working ioctlsocket FIONBIO function. */
+/* #undef HAVE_IOCTLSOCKET_FIONBIO */
+
+/* Define to 1 if you have a working ioctl FIONBIO function. */
+#define HAVE_IOCTL_FIONBIO 1
+
+/* Define to 1 if you have a working ioctl SIOCGIFADDR function. */
+#define HAVE_IOCTL_SIOCGIFADDR 1
+
+/* Define to 1 if you have the <io.h> header file. */
+/* #undef HAVE_IO_H */
+
+/* if you have the Kerberos4 libraries (including -ldes) */
+/* #undef HAVE_KRB4 */
+
+/* Define to 1 if you have the `krb_get_our_ip_for_realm' function. */
+/* #undef HAVE_KRB_GET_OUR_IP_FOR_REALM */
+
+/* Define to 1 if you have the <krb.h> header file. */
+/* #undef HAVE_KRB_H */
+
+/* Define to 1 if you have the lber.h header file. */
+/* #undef HAVE_LBER_H */
+
+/* Define to 1 if you have the ldapssl.h header file. */
+/* #undef HAVE_LDAPSSL_H */
+
+/* Define to 1 if you have the ldap.h header file. */
+/* #undef HAVE_LDAP_H */
+
+/* Use LDAPS implementation */
+/* #undef HAVE_LDAP_SSL */
+
+/* Define to 1 if you have the ldap_ssl.h header file. */
+/* #undef HAVE_LDAP_SSL_H */
+
+/* Define to 1 if you have the `ldap_url_parse' function. */
+/* #undef HAVE_LDAP_URL_PARSE */
+
+/* Define to 1 if you have the <libgen.h> header file. */
+#define HAVE_LIBGEN_H 1
+
+/* Define to 1 if you have the `idn' library (-lidn). */
+/* #undef HAVE_LIBIDN */
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+/* #undef HAVE_LIBRESOLV */
+
+/* Define to 1 if you have the `resolve' library (-lresolve). */
+/* #undef HAVE_LIBRESOLVE */
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+/* #undef HAVE_LIBSOCKET */
+
+/* Define to 1 if you have the `ssh2' library (-lssh2). */
+/* #undef HAVE_LIBSSH2 */
+
+/* Define to 1 if you have the <libssh2.h> header file. */
+/* #undef HAVE_LIBSSH2_H */
+
+/* Define to 1 if you have the `ssl' library (-lssl). */
+/* #undef HAVE_LIBSSL */
+
+/* if zlib is available */
+#define HAVE_LIBZ 1
+
+/* Define to 1 if you have the <limits.h> header file. */
+#define HAVE_LIMITS_H 1
+
+/* if your compiler supports LL */
+#define HAVE_LL 1
+
+/* Define to 1 if you have the <locale.h> header file. */
+#define HAVE_LOCALE_H 1
+
+/* Define to 1 if you have a working localtime_r function. */
+#define HAVE_LOCALTIME_R 1
+
+/* Define to 1 if the compiler supports the 'long long' data type. */
+#define HAVE_LONGLONG 1
+
+/* Define to 1 if you have the malloc.h header file. */
+#define HAVE_MALLOC_H 1
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the MSG_NOSIGNAL flag. */
+#define HAVE_MSG_NOSIGNAL 1
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#define HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#define HAVE_NETINET_TCP_H 1
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H 1
+
+/* Define to 1 if NI_WITHSCOPEID exists and works. */
+/* #undef HAVE_NI_WITHSCOPEID */
+
+/* if you have an old MIT gssapi library, lacking GSS_C_NT_HOSTBASED_SERVICE
+   */
+/* #undef HAVE_OLD_GSSMIT */
+
+/* Define to 1 if you have the <openssl/crypto.h> header file. */
+/* #undef HAVE_OPENSSL_CRYPTO_H */
+
+/* Define to 1 if you have the <openssl/engine.h> header file. */
+/* #undef HAVE_OPENSSL_ENGINE_H */
+
+/* Define to 1 if you have the <openssl/err.h> header file. */
+/* #undef HAVE_OPENSSL_ERR_H */
+
+/* Define to 1 if you have the <openssl/pem.h> header file. */
+/* #undef HAVE_OPENSSL_PEM_H */
+
+/* Define to 1 if you have the <openssl/pkcs12.h> header file. */
+/* #undef HAVE_OPENSSL_PKCS12_H */
+
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+/* #undef HAVE_OPENSSL_RSA_H */
+
+/* Define to 1 if you have the <openssl/ssl.h> header file. */
+/* #undef HAVE_OPENSSL_SSL_H */
+
+/* Define to 1 if you have the <openssl/x509.h> header file. */
+/* #undef HAVE_OPENSSL_X509_H */
+
+/* Define to 1 if you have the <pem.h> header file. */
+/* #undef HAVE_PEM_H */
+
+/* Define to 1 if you have the `perror' function. */
+#define HAVE_PERROR 1
+
+/* Define to 1 if you have the `pipe' function. */
+#define HAVE_PIPE 1
+
+/* if you have the function PK11_CreateGenericObject */
+/* #undef HAVE_PK11_CREATEGENERICOBJECT */
+
+/* Define to 1 if you have a working poll function. */
+#define HAVE_POLL 1
+
+/* If you have a fine poll */
+#define HAVE_POLL_FINE 1
+
+/* Define to 1 if you have the <poll.h> header file. */
+#define HAVE_POLL_H 1
+
+/* Define to 1 if you have a working POSIX-style strerror_r function. */
+#define HAVE_POSIX_STRERROR_R 1
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#define HAVE_PWD_H 1
+
+/* Define to 1 if you have the `RAND_egd' function. */
+/* #undef HAVE_RAND_EGD */
+
+/* Define to 1 if you have the `RAND_screen' function. */
+/* #undef HAVE_RAND_SCREEN */
+
+/* Define to 1 if you have the `RAND_status' function. */
+/* #undef HAVE_RAND_STATUS */
+
+/* Define to 1 if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to 1 if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to 1 if you have the <rsa.h> header file. */
+/* #undef HAVE_RSA_H */
+
+/* Define to 1 if you have the select function. */
+#define HAVE_SELECT 1
+
+/* Define to 1 if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#define HAVE_SETJMP_H 1
+
+/* Define to 1 if you have the `setlocale' function. */
+#define HAVE_SETLOCALE 1
+
+/* Define to 1 if you have the `setmode' function. */
+/* #undef HAVE_SETMODE */
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define HAVE_SETRLIMIT 1
+
+/* Define to 1 if you have the setsockopt function. */
+#define HAVE_SETSOCKOPT 1
+
+/* Define to 1 if you have a working setsockopt SO_NONBLOCK function. */
+/* #undef HAVE_SETSOCKOPT_SO_NONBLOCK */
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+#define HAVE_SGTTY_H 1
+
+/* Define to 1 if you have the sigaction function. */
+#define HAVE_SIGACTION 1
+
+/* Define to 1 if you have the siginterrupt function. */
+#define HAVE_SIGINTERRUPT 1
+
+/* Define to 1 if you have the signal function. */
+#define HAVE_SIGNAL 1
+
+/* Define to 1 if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define to 1 if you have the sigsetjmp function or macro. */
+#define HAVE_SIGSETJMP 1
+
+/* Define to 1 if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define to 1 if sig_atomic_t is already defined as volatile. */
+/* #undef HAVE_SIG_ATOMIC_T_VOLATILE */
+
+/* Define to 1 if struct sockaddr_in6 has the sin6_scope_id member */
+/* #undef HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID */
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define this if you have the SPNEGO library fbopenssl */
+/* #undef HAVE_SPNEGO */
+
+/* Define to 1 if you have the `SSL_get_shutdown' function. */
+/* #undef HAVE_SSL_GET_SHUTDOWN */
+
+/* Define to 1 if you have the <ssl.h> header file. */
+/* #undef HAVE_SSL_H */
+
+/* Define to 1 if you have the <stdbool.h> header file. */
+#define HAVE_STDBOOL_H 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the strcasecmp function. */
+#define HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the strcasestr function. */
+/* #undef HAVE_STRCASESTR */
+
+/* Define to 1 if you have the strcmpi function. */
+/* #undef HAVE_STRCMPI */
+
+/* Define to 1 if you have the strdup function. */
+#define HAVE_STRDUP 1
+
+/* Define to 1 if you have the strerror_r function. */
+#define HAVE_STRERROR_R 1
+
+/* Define to 1 if you have the stricmp function. */
+/* #undef HAVE_STRICMP */
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the strlcat function. */
+/* #undef HAVE_STRLCAT */
+
+/* Define to 1 if you have the `strlcpy' function. */
+/* #undef HAVE_STRLCPY */
+
+/* Define to 1 if you have the strncasecmp function. */
+#define HAVE_STRNCASECMP 1
+
+/* Define to 1 if you have the strncmpi function. */
+/* #undef HAVE_STRNCMPI */
+
+/* Define to 1 if you have the strnicmp function. */
+/* #undef HAVE_STRNICMP */
+
+/* Define to 1 if you have the <stropts.h> header file. */
+/* #define HAVE_STROPTS_H 1 - not on every distro (fedora 10 for instance). */
+
+/* Define to 1 if you have the strstr function. */
+#define HAVE_STRSTR 1
+
+/* Define to 1 if you have the strtok_r function. */
+#define HAVE_STRTOK_R 1
+
+/* Define to 1 if you have the strtoll function. */
+#define HAVE_STRTOLL 1
+
+/* if struct sockaddr_storage is defined */
+#define HAVE_STRUCT_SOCKADDR_STORAGE 1
+
+/* Define to 1 if you have the timeval struct. */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* Define to 1 if you have the <sys/filio.h> header file. */
+/* #undef HAVE_SYS_FILIO_H */
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#define HAVE_SYS_PARAM_H 1
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+#define HAVE_SYS_POLL_H 1
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define HAVE_SYS_RESOURCE_H 1
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#define HAVE_SYS_SELECT_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+/* #undef HAVE_SYS_SOCKIO_H */
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#define HAVE_SYS_UIO_H 1
+
+/* Define to 1 if you have the <sys/un.h> header file. */
+#define HAVE_SYS_UN_H 1
+
+/* Define to 1 if you have the <sys/utime.h> header file. */
+/* #undef HAVE_SYS_UTIME_H */
+
+/* Define to 1 if you have the <termios.h> header file. */
+#define HAVE_TERMIOS_H 1
+
+/* Define to 1 if you have the <termio.h> header file. */
+#define HAVE_TERMIO_H 1
+
+/* Define to 1 if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define to 1 if you have the <tld.h> header file. */
+/* #undef HAVE_TLD_H */
+
+/* Define to 1 if you have the `tld_strerror' function. */
+/* #undef HAVE_TLD_STRERROR */
+
+/* Define to 1 if you have the `uname' function. */
+#define HAVE_UNAME 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `utime' function. */
+#define HAVE_UTIME 1
+
+/* Define to 1 if you have the <utime.h> header file. */
+#define HAVE_UTIME_H 1
+
+/* Define to 1 if compiler supports C99 variadic macro style. */
+#define HAVE_VARIADIC_MACROS_C99 1
+
+/* Define to 1 if compiler supports old gcc variadic macro style. */
+#define HAVE_VARIADIC_MACROS_GCC 1
+
+/* Define to 1 if you have the winber.h header file. */
+/* #undef HAVE_WINBER_H */
+
+/* Define to 1 if you have the windows.h header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* Define to 1 if you have the winldap.h header file. */
+/* #undef HAVE_WINLDAP_H */
+
+/* Define to 1 if you have the winsock2.h header file. */
+/* #undef HAVE_WINSOCK2_H */
+
+/* Define to 1 if you have the winsock.h header file. */
+/* #undef HAVE_WINSOCK_H */
+
+/* Define this symbol if your OS supports changing the contents of argv */
+#define HAVE_WRITABLE_ARGV 1
+
+/* Define to 1 if you have the writev function. */
+#define HAVE_WRITEV 1
+
+/* Define to 1 if you have the ws2tcpip.h header file. */
+/* #undef HAVE_WS2TCPIP_H */
+
+/* Define to 1 if you have the <x509.h> header file. */
+/* #undef HAVE_X509_H */
+
+/* if you have the zlib.h header file */
+#define HAVE_ZLIB_H 1
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#define LT_OBJDIR ".libs/"
+
+/* Define to 1 if you are building a native Windows target. */
+/* #undef NATIVE_WINDOWS */
+
+/* If you lack a fine basename() prototype */
+/* #undef NEED_BASENAME_PROTO */
+
+/* Define to 1 if you need the lber.h header file even with ldap.h */
+/* #undef NEED_LBER_H */
+
+/* Define to 1 if you need the malloc.h header file even with stdlib.h */
+/* #undef NEED_MALLOC_H */
+
+/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
+/* #undef NEED_REENTRANT */
+
+/* cpu-machine-OS */
+#define OS "i686-pc-linux-gnu"
+
+/* Name of package */
+#define PACKAGE "curl"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "a suitable curl mailing list => http://curl.haxx.se/mail/"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "curl"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "curl -"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "curl"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "-"
+
+/* a suitable file to read random data from */
+/* #undef RANDOM_FILE */
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 int
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 void
+
+/* Define to 1 if the type pointed by arg 2 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG2_IS_VOID 1
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to 1 if the type pointed by arg 5 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG5_IS_VOID */
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 socklen_t
+
+/* Define to 1 if the type pointed by arg 6 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG6_IS_VOID */
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV int
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV int
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* Define to the type qualifier of arg 5 for select. */
+#define SELECT_QUAL_ARG5
+
+/* Define to the type of arg 1 for select. */
+#define SELECT_TYPE_ARG1 int
+
+/* Define to the type of args 2, 3 and 4 for select. */
+#define SELECT_TYPE_ARG234 fd_set *
+
+/* Define to the type of arg 5 for select. */
+#define SELECT_TYPE_ARG5 struct timeval *
+
+/* Define to the function return type for select. */
+#define SELECT_TYPE_RETV int
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV int
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 4
+
+/* The size of `off_t', as computed by sizeof. */
+#define SIZEOF_OFF_T 8
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 4
+
+/* The size of `time_t', as computed by sizeof. */
+#define SIZEOF_TIME_T 4
+
+/* The size of `void*', as computed by sizeof. */
+#define SIZEOF_VOIDP 4
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define to the type of arg 3 for strerror_r. */
+#define STRERROR_R_TYPE_ARG3 size_t
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* Define if you want to enable c-ares support */
+/* #undef USE_ARES */
+
+/* Define to disable non-blocking sockets. */
+/* #undef USE_BLOCKING_SOCKETS */
+
+/* if GnuTLS is enabled */
+/* #undef USE_GNUTLS */
+
+/* if libSSH2 is in use */
+/* #undef USE_LIBSSH2 */
+
+/* If you want to build curl with the built-in manual */
+/* #undef USE_MANUAL */
+
+/* if NSS is enabled */
+/* #undef USE_NSS */
+
+/* if OpenSSL is in use */
+#define USE_OPENSSL
+
+/* if SSL is enabled */
+#define USE_SSLEAY
+
+/* Define to 1 if you are building a Windows target without large file
+   support. */
+/* #undef USE_WIN32_LARGE_FILES */
+
+/* to enable SSPI support */
+/* #undef USE_WINDOWS_SSPI */
+
+/* Define to 1 if using yaSSL in OpenSSL compatibility mode. */
+/* #undef USE_YASSLEMUL */
+
+/* Version number of package */
+#define VERSION "7.19.4"
+
+/* Define to avoid automatic inclusion of winsock.h */
+/* #undef WIN32_LEAN_AND_MEAN */
+
+/* Define to 1 if OS is AIX. */
+#ifndef _ALL_SOURCE
+/* #  undef _ALL_SOURCE */
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#define _FILE_OFFSET_BITS 64
+
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* define this if you need it to compile thread-safe code */
+/* #undef _THREAD_SAFE */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Type to use in place of in_addr_t when system does not provide it. */
+/* #undef in_addr_t */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+/* #undef inline */
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+/* Type to use in place of socklen_t when system does not provide it. */
+/* #undef socklen_t */
+
+/* the signed version of size_t */
+/* #undef ssize_t */
+
+/* The size of `curl_off_t', as computed by sizeof. */
+#define SIZEOF_CURL_OFF_T 8
Index: trunk/src/libs/curl-7.64.0/config.h.os2.x86
===================================================================
--- trunk/src/libs/curl-7.64.0/config.h.os2.x86	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/config.h.os2.x86	(revision 85671)
@@ -0,0 +1,953 @@
+/* lib/config.h.  Generated from config.h.in by configure - edited for OS/2 by bird.  */
+/* lib/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if you have the $func function. */
+/* #undef AS_TR_CPP */
+
+/* when building libcurl itself */
+/* #undef BUILDING_LIBCURL */
+
+/* Location of default ca bundle */
+/* #undef CURL_CA_BUNDLE */
+
+/* Location of default ca path */
+/* #undef CURL_CA_PATH */
+
+/* to disable cookies support */
+/* #undef CURL_DISABLE_COOKIES */
+
+/* to disable cryptographic authentication */
+/* #undef CURL_DISABLE_CRYPTO_AUTH */
+
+/* to disable DICT */
+/* #undef CURL_DISABLE_DICT */
+
+/* to disable FILE */
+/* #undef CURL_DISABLE_FILE */
+
+/* to disable FTP */
+/* #undef CURL_DISABLE_FTP */
+
+/* to disable HTTP */
+/* #undef CURL_DISABLE_HTTP */
+
+/* to disable LDAP */
+#define CURL_DISABLE_LDAP 1
+
+/* to disable LDAPS */
+#define CURL_DISABLE_LDAPS 1
+
+/* to disable proxies */
+/* #undef CURL_DISABLE_PROXY */
+
+/* to disable TELNET */
+/* #undef CURL_DISABLE_TELNET */
+
+/* to disable TFTP */
+/* #undef CURL_DISABLE_TFTP */
+
+/* to disable verbose strings */
+/* #undef CURL_DISABLE_VERBOSE_STRINGS */
+
+/* to make a symbol visible */
+/* #undef CURL_EXTERN_SYMBOL */
+
+/* to enable hidden symbols */
+/* #undef CURL_HIDDEN_SYMBOLS */
+
+/* W$ LDAP with non-W$ compiler */
+/* #undef CURL_LDAP_HYBRID */
+
+/* Use W$ LDAP implementation */
+/* #undef CURL_LDAP_WIN */
+
+/* when not building a shared library */
+/* #undef CURL_STATICLIB */
+
+/* Set to explicitly specify we don't want to use thread-safe functions */
+/* #undef DISABLED_THREADSAFE */
+
+/* your Entropy Gathering Daemon socket pathname */
+/* #undef EGD_SOCKET */
+
+/* Define if you want to enable IPv6 support */
+/*#define ENABLE_IPV6 1 - not on OS/2 */
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 int
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 int
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 int
+
+/* Specifies the number of arguments to getservbyport_r */
+/* #undef GETSERVBYPORT_R_ARGS */
+
+/* Specifies the size of the buffer to pass to getservbyport_r */
+/* #undef GETSERVBYPORT_R_BUFSIZE */
+
+/* Define to 1 if you have the alarm function. */
+#define HAVE_ALARM 1
+
+/* Define to 1 if you have the <alloca.h> header file. */
+#define HAVE_ALLOCA_H 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <arpa/tftp.h> header file. */
+#define HAVE_ARPA_TFTP_H 1
+
+/* Define to 1 if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the `basename' function. */
+#define HAVE_BASENAME 1
+
+/* Define to 1 if bool is an available type. */
+#define HAVE_BOOL_T 1
+
+/* Define to 1 if you have the clock_gettime function and monotonic timer. */
+/* #undef HAVE_CLOCK_GETTIME_MONOTONIC */
+
+/* Define to 1 if you have the `closesocket' function. */
+/* #undef HAVE_CLOSESOCKET */
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function. */
+/* #undef HAVE_CRYPTO_CLEANUP_ALL_EX_DATA */
+
+/* Define to 1 if you have the <crypto.h> header file. */
+/* #undef HAVE_CRYPTO_H */
+
+/* Define to 1 if you have the <des.h> header file. */
+/* #undef HAVE_DES_H */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the `ENGINE_load_builtin_engines' function. */
+/* #undef HAVE_ENGINE_LOAD_BUILTIN_ENGINES */
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the <err.h> header file. */
+/* #undef HAVE_ERR_H */
+
+/* Define to 1 if you have the fcntl function. */
+#define HAVE_FCNTL 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have a working fcntl O_NONBLOCK function. */
+#define HAVE_FCNTL_O_NONBLOCK 1
+
+/* Define to 1 if you have the fdopen function. */
+#define HAVE_FDOPEN 1
+
+/* Define to 1 if you have the `fork' function. */
+#define HAVE_FORK 1
+
+/* Define to 1 if you have the freeaddrinfo function. */
+/*#define HAVE_FREEADDRINFO 1*/
+
+/* Define to 1 if you have the freeifaddrs function. */
+/*#define HAVE_FREEIFADDRS 1*/
+
+/* Define to 1 if you have the ftruncate function. */
+#define HAVE_FTRUNCATE 1
+
+/* Define to 1 if you have a working getaddrinfo function. */
+/*#define HAVE_GETfADDRINFO 1*/
+
+/* Define to 1 if you have the `geteuid' function. */
+#define HAVE_GETEUID 1
+
+/* Define to 1 if you have the gethostbyaddr function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* Define to 1 if you have the gethostbyaddr_r function. */
+/* #undef HAVE_GETHOSTBYADDR_R */
+
+/* gethostbyaddr_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYADDR_R_5 */
+
+/* gethostbyaddr_r() takes 7 args */
+/* #undef HAVE_GETHOSTBYADDR_R_7 */
+
+/* gethostbyaddr_r() takes 8 args */
+/* #undef HAVE_GETHOSTBYADDR_R_8 */
+
+/* Define to 1 if you have the gethostbyname function. */
+#define HAVE_GETHOSTBYNAME 1
+
+/* Define to 1 if you have the gethostbyname_r function. */
+/* #undef HAVE_GETHOSTBYNAME_R */
+
+/* gethostbyname_r() takes 3 args */
+/* #undef HAVE_GETHOSTBYNAME_R_3 */
+
+/* gethostbyname_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYNAME_R_5 */
+
+/* gethostbyname_r() takes 6 args */
+/* #undef HAVE_GETHOSTBYNAME_R_6 */
+
+/* Define to 1 if you have the gethostname function. */
+#define HAVE_GETHOSTNAME 1
+
+/* Define to 1 if you have a working getifaddrs function. */
+/*#define HAVE_GETIFADDRS 1*/
+
+/* Define to 1 if you have the getnameinfo function. */
+#define HAVE_GETNAMEINFO 1
+
+/* Define to 1 if you have the `getpass_r' function. */
+/* #undef HAVE_GETPASS_R */
+
+/* Define to 1 if you have the `getppid' function. */
+#define HAVE_GETPPID 1
+
+/* Define to 1 if you have the `getprotobyname' function. */
+#define HAVE_GETPROTOBYNAME 1
+
+/* Define to 1 if you have the `getpwuid' function. */
+#define HAVE_GETPWUID 1
+
+/* Define to 1 if you have the `getrlimit' function. */
+#define HAVE_GETRLIMIT 1
+
+/* Define to 1 if you have the getservbyport_r function. */
+/* #undef HAVE_GETSERVBYPORT_R */
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY 1
+
+/* Define to 1 if you have a working glibc-style strerror_r function. */
+/* #undef HAVE_GLIBC_STRERROR_R */
+
+/* Define to 1 if you have a working gmtime_r function. */
+#define HAVE_GMTIME_R 1
+
+/* if you have the gssapi libraries */
+/* #undef HAVE_GSSAPI */
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_GENERIC_H */
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_H */
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_KRB5_H */
+
+/* if you have the GNU gssapi libraries */
+/* #undef HAVE_GSSGNU */
+
+/* if you have the Heimdal gssapi libraries */
+/* #undef HAVE_GSSHEIMDAL */
+
+/* if you have the MIT gssapi libraries */
+/* #undef HAVE_GSSMIT */
+
+/* Define to 1 if you have the `idna_strerror' function. */
+/* #undef HAVE_IDNA_STRERROR */
+
+/* Define to 1 if you have the `idn_free' function. */
+/* #undef HAVE_IDN_FREE */
+
+/* Define to 1 if you have the <idn-free.h> header file. */
+/* #undef HAVE_IDN_FREE_H */
+
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+/*#define HAVE_IFADDRS_H 1*/
+
+/* Define to 1 if you have the `inet_addr' function. */
+#define HAVE_INET_ADDR 1
+
+/* Define to 1 if you have the inet_ntoa_r function. */
+/* #undef HAVE_INET_NTOA_R */
+
+/* inet_ntoa_r() takes 2 args */
+/* #undef HAVE_INET_NTOA_R_2 */
+
+/* inet_ntoa_r() takes 3 args */
+/* #undef HAVE_INET_NTOA_R_3 */
+
+/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
+#define HAVE_INET_NTOP 1
+
+/* Define to 1 if you have a IPv6 capable working inet_pton function. */
+#define HAVE_INET_PTON 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the ioctl function. */
+#define HAVE_IOCTL 1
+
+/* Define to 1 if you have the ioctlsocket function. */
+/* #undef HAVE_IOCTLSOCKET */
+
+/* Define to 1 if you have the IoctlSocket camel case function. */
+/* #undef HAVE_IOCTLSOCKET_CAMEL */
+
+/* Define to 1 if you have a working IoctlSocket camel case FIONBIO function.
+   */
+/* #undef HAVE_IOCTLSOCKET_CAMEL_FIONBIO */
+
+/* Define to 1 if you have a working ioctlsocket FIONBIO function. */
+/* #undef HAVE_IOCTLSOCKET_FIONBIO */
+
+/* Define to 1 if you have a working ioctl FIONBIO function. */
+#define HAVE_IOCTL_FIONBIO 1
+
+/* Define to 1 if you have a working ioctl SIOCGIFADDR function. */
+#define HAVE_IOCTL_SIOCGIFADDR 1
+
+/* Define to 1 if you have the <io.h> header file. */
+/* #undef HAVE_IO_H */
+
+/* if you have the Kerberos4 libraries (including -ldes) */
+/* #undef HAVE_KRB4 */
+
+/* Define to 1 if you have the `krb_get_our_ip_for_realm' function. */
+/* #undef HAVE_KRB_GET_OUR_IP_FOR_REALM */
+
+/* Define to 1 if you have the <krb.h> header file. */
+/* #undef HAVE_KRB_H */
+
+/* Define to 1 if you have the lber.h header file. */
+/* #undef HAVE_LBER_H */
+
+/* Define to 1 if you have the ldapssl.h header file. */
+/* #undef HAVE_LDAPSSL_H */
+
+/* Define to 1 if you have the ldap.h header file. */
+/* #undef HAVE_LDAP_H */
+
+/* Use LDAPS implementation */
+/* #undef HAVE_LDAP_SSL */
+
+/* Define to 1 if you have the ldap_ssl.h header file. */
+/* #undef HAVE_LDAP_SSL_H */
+
+/* Define to 1 if you have the `ldap_url_parse' function. */
+/* #undef HAVE_LDAP_URL_PARSE */
+
+/* Define to 1 if you have the <libgen.h> header file. */
+#define HAVE_LIBGEN_H 1
+
+/* Define to 1 if you have the `idn' library (-lidn). */
+/* #undef HAVE_LIBIDN */
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+/* #undef HAVE_LIBRESOLV */
+
+/* Define to 1 if you have the `resolve' library (-lresolve). */
+/* #undef HAVE_LIBRESOLVE */
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+/* #undef HAVE_LIBSOCKET */
+
+/* Define to 1 if you have the `ssh2' library (-lssh2). */
+/* #undef HAVE_LIBSSH2 */
+
+/* Define to 1 if you have the <libssh2.h> header file. */
+/* #undef HAVE_LIBSSH2_H */
+
+/* Define to 1 if you have the `ssl' library (-lssl). */
+/* #undef HAVE_LIBSSL */
+
+/* if zlib is available */
+#define HAVE_LIBZ 1
+
+/* Define to 1 if you have the <limits.h> header file. */
+#define HAVE_LIMITS_H 1
+
+/* if your compiler supports LL */
+#define HAVE_LL 1
+
+/* Define to 1 if you have the <locale.h> header file. */
+#define HAVE_LOCALE_H 1
+
+/* Define to 1 if you have a working localtime_r function. */
+#define HAVE_LOCALTIME_R 1
+
+/* Define to 1 if the compiler supports the 'long long' data type. */
+#define HAVE_LONGLONG 1
+
+/* Define to 1 if you have the malloc.h header file. */
+/* #undef HAVE_MALLOC_H */
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the MSG_NOSIGNAL flag. */
+/* #undef HAVE_MSG_NOSIGNAL */
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#define HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#define HAVE_NETINET_TCP_H 1
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H 1
+
+/* Define to 1 if NI_WITHSCOPEID exists and works. */
+/* #undef HAVE_NI_WITHSCOPEID */
+
+/* if you have an old MIT gssapi library, lacking GSS_C_NT_HOSTBASED_SERVICE
+   */
+/* #undef HAVE_OLD_GSSMIT */
+
+/* Define to 1 if you have the <openssl/crypto.h> header file. */
+/* #undef HAVE_OPENSSL_CRYPTO_H */
+
+/* Define to 1 if you have the <openssl/engine.h> header file. */
+/* #undef HAVE_OPENSSL_ENGINE_H */
+
+/* Define to 1 if you have the <openssl/err.h> header file. */
+/* #undef HAVE_OPENSSL_ERR_H */
+
+/* Define to 1 if you have the <openssl/pem.h> header file. */
+/* #undef HAVE_OPENSSL_PEM_H */
+
+/* Define to 1 if you have the <openssl/pkcs12.h> header file. */
+/* #undef HAVE_OPENSSL_PKCS12_H */
+
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+/* #undef HAVE_OPENSSL_RSA_H */
+
+/* Define to 1 if you have the <openssl/ssl.h> header file. */
+/* #undef HAVE_OPENSSL_SSL_H */
+
+/* Define to 1 if you have the <openssl/x509.h> header file. */
+/* #undef HAVE_OPENSSL_X509_H */
+
+/* Define to 1 if you have the <pem.h> header file. */
+/* #undef HAVE_PEM_H */
+
+/* Define to 1 if you have the `perror' function. */
+#define HAVE_PERROR 1
+
+/* Define to 1 if you have the `pipe' function. */
+#define HAVE_PIPE 1
+
+/* if you have the function PK11_CreateGenericObject */
+/* #undef HAVE_PK11_CREATEGENERICOBJECT */
+
+/* Define to 1 if you have a working poll function. */
+/* #undef HAVE_POLL */
+
+/* If you have a fine poll */
+/* #undef HAVE_POLL_FINE */
+
+/* Define to 1 if you have the <poll.h> header file. */
+/*#define HAVE_POLL_H 1*/
+
+/* Define to 1 if you have a working POSIX-style strerror_r function. */
+#define HAVE_POSIX_STRERROR_R 1
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#define HAVE_PWD_H 1
+
+/* Define to 1 if you have the `RAND_egd' function. */
+/* #undef HAVE_RAND_EGD */
+
+/* Define to 1 if you have the `RAND_screen' function. */
+/* #undef HAVE_RAND_SCREEN */
+
+/* Define to 1 if you have the `RAND_status' function. */
+/* #undef HAVE_RAND_STATUS */
+
+/* Define to 1 if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to 1 if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to 1 if you have the <rsa.h> header file. */
+/* #undef HAVE_RSA_H */
+
+/* Define to 1 if you have the select function. */
+#define HAVE_SELECT 1
+
+/* Define to 1 if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#define HAVE_SETJMP_H 1
+
+/* Define to 1 if you have the `setlocale' function. */
+#define HAVE_SETLOCALE 1
+
+/* Define to 1 if you have the `setmode' function. */
+#define HAVE_SETMODE 1
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define HAVE_SETRLIMIT 1
+
+/* Define to 1 if you have the setsockopt function. */
+#define HAVE_SETSOCKOPT 1
+
+/* Define to 1 if you have a working setsockopt SO_NONBLOCK function. */
+/* #undef HAVE_SETSOCKOPT_SO_NONBLOCK */
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+#define HAVE_SGTTY_H 1
+
+/* Define to 1 if you have the sigaction function. */
+#define HAVE_SIGACTION 1
+
+/* Define to 1 if you have the siginterrupt function. */
+#define HAVE_SIGINTERRUPT 1
+
+/* Define to 1 if you have the signal function. */
+#define HAVE_SIGNAL 1
+
+/* Define to 1 if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define to 1 if you have the sigsetjmp function or macro. */
+#define HAVE_SIGSETJMP 1
+
+/* Define to 1 if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define to 1 if sig_atomic_t is already defined as volatile. */
+/* #undef HAVE_SIG_ATOMIC_T_VOLATILE */
+
+/* Define to 1 if struct sockaddr_in6 has the sin6_scope_id member */
+#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define this if you have the SPNEGO library fbopenssl */
+/* #undef HAVE_SPNEGO */
+
+/* Define to 1 if you have the `SSL_get_shutdown' function. */
+/* #undef HAVE_SSL_GET_SHUTDOWN */
+
+/* Define to 1 if you have the <ssl.h> header file. */
+/* #undef HAVE_SSL_H */
+
+/* Define to 1 if you have the <stdbool.h> header file. */
+#define HAVE_STDBOOL_H 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the strcasecmp function. */
+#define HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the strcasestr function. */
+#define HAVE_STRCASESTR 1
+
+/* Define to 1 if you have the strcmpi function. */
+/* #undef HAVE_STRCMPI */
+
+/* Define to 1 if you have the strdup function. */
+#define HAVE_STRDUP 1
+
+/* Define to 1 if you have the strerror_r function. */
+#define HAVE_STRERROR_R 1
+
+/* Define to 1 if you have the stricmp function. */
+/* #undef HAVE_STRICMP */
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the strlcat function. */
+#define HAVE_STRLCAT 1
+
+/* Define to 1 if you have the `strlcpy' function. */
+/* #undef HAVE_STRLCPY */
+
+/* Define to 1 if you have the strncasecmp function. */
+#define HAVE_STRNCASECMP 1
+
+/* Define to 1 if you have the strncmpi function. */
+/* #undef HAVE_STRNCMPI */
+
+/* Define to 1 if you have the strnicmp function. */
+/* #undef HAVE_STRNICMP */
+
+/* Define to 1 if you have the <stropts.h> header file. */
+/* #undef HAVE_STROPTS_H */
+
+/* Define to 1 if you have the strstr function. */
+#define HAVE_STRSTR 1
+
+/* Define to 1 if you have the strtok_r function. */
+#define HAVE_STRTOK_R 1
+
+/* Define to 1 if you have the strtoll function. */
+#define HAVE_STRTOLL 1
+
+/* if struct sockaddr_storage is defined */
+/*#define HAVE_STRUCT_SOCKADDR_STORAGE 1*/
+
+/* Define to 1 if you have the timeval struct. */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* Define to 1 if you have the <sys/filio.h> header file. */
+#define HAVE_SYS_FILIO_H 1
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#define HAVE_SYS_PARAM_H 1
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+/*#define HAVE_SYS_POLL_H 1*/
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define HAVE_SYS_RESOURCE_H 1
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#define HAVE_SYS_SELECT_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+#define HAVE_SYS_SOCKIO_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#define HAVE_SYS_UIO_H 1
+
+/* Define to 1 if you have the <sys/un.h> header file. */
+#define HAVE_SYS_UN_H 1
+
+/* Define to 1 if you have the <sys/utime.h> header file. */
+/* #undef HAVE_SYS_UTIME_H */
+
+/* Define to 1 if you have the <termios.h> header file. */
+#define HAVE_TERMIOS_H 1
+
+/* Define to 1 if you have the <termio.h> header file. */
+/* #undef HAVE_TERMIO_H */
+
+/* Define to 1 if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define to 1 if you have the <tld.h> header file. */
+/* #undef HAVE_TLD_H */
+
+/* Define to 1 if you have the `tld_strerror' function. */
+/* #undef HAVE_TLD_STRERROR */
+
+/* Define to 1 if you have the `uname' function. */
+#define HAVE_UNAME 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `utime' function. */
+#define HAVE_UTIME 1
+
+/* Define to 1 if you have the <utime.h> header file. */
+#define HAVE_UTIME_H 1
+
+/* Define to 1 if compiler supports C99 variadic macro style. */
+#define HAVE_VARIADIC_MACROS_C99 1
+
+/* Define to 1 if compiler supports old gcc variadic macro style. */
+#define HAVE_VARIADIC_MACROS_GCC 1
+
+/* Define to 1 if you have the winber.h header file. */
+/* #undef HAVE_WINBER_H */
+
+/* Define to 1 if you have the windows.h header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* Define to 1 if you have the winldap.h header file. */
+/* #undef HAVE_WINLDAP_H */
+
+/* Define to 1 if you have the winsock2.h header file. */
+/* #undef HAVE_WINSOCK2_H */
+
+/* Define to 1 if you have the winsock.h header file. */
+/* #undef HAVE_WINSOCK_H */
+
+/* Define this symbol if your OS supports changing the contents of argv */
+#define HAVE_WRITABLE_ARGV 1
+
+/* Define to 1 if you have the writev function. */
+#define HAVE_WRITEV 1
+
+/* Define to 1 if you have the ws2tcpip.h header file. */
+/* #undef HAVE_WS2TCPIP_H */
+
+/* Define to 1 if you have the <x509.h> header file. */
+/* #undef HAVE_X509_H */
+
+/* if you have the zlib.h header file */
+#define HAVE_ZLIB_H 1
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#define LT_OBJDIR ".libs/"
+
+/* Define to 1 if you are building a native Windows target. */
+/* #undef NATIVE_WINDOWS */
+
+/* If you lack a fine basename() prototype */
+/* #undef NEED_BASENAME_PROTO */
+
+/* Define to 1 if you need the lber.h header file even with ldap.h */
+/* #undef NEED_LBER_H */
+
+/* Define to 1 if you need the malloc.h header file even with stdlib.h */
+/* #undef NEED_MALLOC_H */
+
+/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
+/* #undef NEED_REENTRANT */
+
+/* cpu-machine-OS */
+#define OS "i386-apple-darwin10.0.0d6"
+
+/* Name of package */
+#define PACKAGE "curl"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "a suitable curl mailing list => http://curl.haxx.se/mail/"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "curl"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "curl -"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "curl"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "-"
+
+/* a suitable file to read random data from */
+/* #undef RANDOM_FILE */
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 int
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 void
+
+/* Define to 1 if the type pointed by arg 2 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG2_IS_VOID 1
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to 1 if the type pointed by arg 5 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG5_IS_VOID */
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 int
+
+/* Define to 1 if the type pointed by arg 6 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG6_IS_VOID */
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV ssize_t
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV ssize_t
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* Define to the type qualifier of arg 5 for select. */
+#define SELECT_QUAL_ARG5 
+
+/* Define to the type of arg 1 for select. */
+#define SELECT_TYPE_ARG1 int
+
+/* Define to the type of args 2, 3 and 4 for select. */
+#define SELECT_TYPE_ARG234 fd_set *
+
+/* Define to the type of arg 5 for select. */
+#define SELECT_TYPE_ARG5 struct timeval *
+
+/* Define to the function return type for select. */
+#define SELECT_TYPE_RETV int
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV ssize_t
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 8
+
+/* The size of `off_t', as computed by sizeof. */
+#define SIZEOF_OFF_T 8
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 8
+
+/* The size of `time_t', as computed by sizeof. */
+#define SIZEOF_TIME_T 8
+
+/* The size of `void*', as computed by sizeof. */
+#define SIZEOF_VOIDP 8
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define to the type of arg 3 for strerror_r. */
+#define STRERROR_R_TYPE_ARG3 size_t
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* Define if you want to enable c-ares support */
+/* #undef USE_ARES */
+
+/* Define to disable non-blocking sockets. */
+/* #undef USE_BLOCKING_SOCKETS */
+
+/* if GnuTLS is enabled */
+/* #undef USE_GNUTLS */
+
+/* if libSSH2 is in use */
+/* #undef USE_LIBSSH2 */
+
+/* If you want to build curl with the built-in manual */
+/* #undef USE_MANUAL */
+
+/* if NSS is enabled */
+/* #undef USE_NSS */
+
+/* if OpenSSL is in use */
+/* #undef USE_OPENSSL */
+
+/* if SSL is enabled */
+/* #undef USE_SSLEAY */
+
+/* Define to 1 if you are building a Windows target without large file
+   support. */
+/* #undef USE_WIN32_LARGE_FILES */
+
+/* to enable SSPI support */
+/* #undef USE_WINDOWS_SSPI */
+
+/* Define to 1 if using yaSSL in OpenSSL compatibility mode. */
+/* #undef USE_YASSLEMUL */
+
+/* Version number of package */
+#define VERSION "7.19.4"
+
+/* Define to avoid automatic inclusion of winsock.h */
+/* #undef WIN32_LEAN_AND_MEAN */
+
+/* Define to 1 if OS is AIX. */
+#ifndef _ALL_SOURCE
+/* #  undef _ALL_SOURCE */
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+/* #undef _FILE_OFFSET_BITS */
+
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* define this if you need it to compile thread-safe code */
+/* #undef _THREAD_SAFE */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Type to use in place of in_addr_t when system does not provide it. */
+/* #undef in_addr_t */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+/* #undef inline */
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+/* Type to use in place of socklen_t when system does not provide it. */
+#define socklen_t int
+
+/* the signed version of size_t */
+/* #undef ssize_t */
+
+/* The size of `curl_off_t', as computed by sizeof. */
+#define SIZEOF_CURL_OFF_T 4
Index: trunk/src/libs/curl-7.64.0/config.h.solaris.amd64
===================================================================
--- trunk/src/libs/curl-7.64.0/config.h.solaris.amd64	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/config.h.solaris.amd64	(revision 85671)
@@ -0,0 +1,1903 @@
+/* lib/config.h.  Generated from config.h.in by configure.  */
+/* lib/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if you have the $func function. */
+/* #undef AS_TR_CPP */
+
+/* when building libcurl itself */
+/* #undef BUILDING_LIBCURL */
+
+/* Location of default ca bundle */
+/* #undef CURL_CA_BUNDLE */
+
+/* Location of default ca path */
+/* #undef CURL_CA_PATH */
+
+/* to disable cookies support */
+/* #undef CURL_DISABLE_COOKIES */
+
+/* to disable cryptographic authentication */
+/* #undef CURL_DISABLE_CRYPTO_AUTH */
+
+/* to disable DICT */
+/* #undef CURL_DISABLE_DICT */
+
+/* to disable FILE */
+/* #undef CURL_DISABLE_FILE */
+
+/* to disable FTP */
+/* #undef CURL_DISABLE_FTP */
+
+/* to disable HTTP */
+/* #undef CURL_DISABLE_HTTP */
+
+/* to disable LDAP */
+#define CURL_DISABLE_LDAP 1
+
+/* to disable LDAPS */
+#define CURL_DISABLE_LDAPS 1
+
+/* to disable proxies */
+/* #undef CURL_DISABLE_PROXY */
+
+/* to disable TELNET */
+/* #undef CURL_DISABLE_TELNET */
+
+/* to disable TFTP */
+/* #undef CURL_DISABLE_TFTP */
+
+/* to disable verbose strings */
+/* #undef CURL_DISABLE_VERBOSE_STRINGS */
+
+/* to make a symbol visible */
+/* #undef CURL_EXTERN_SYMBOL */
+
+/* to enable hidden symbols */
+/* #undef CURL_HIDDEN_SYMBOLS */
+
+/* W$ LDAP with non-W$ compiler */
+/* #undef CURL_LDAP_HYBRID */
+
+/* Use W$ LDAP implementation */
+/* #undef CURL_LDAP_WIN */
+
+/* when not building a shared library */
+/* #undef CURL_STATICLIB */
+
+/* Set to explicitly specify we don't want to use thread-safe functions */
+/* #undef DISABLED_THREADSAFE */
+
+/* your Entropy Gathering Daemon socket pathname */
+/* #undef EGD_SOCKET */
+
+/* Define if you want to enable IPv6 support */
+#define ENABLE_IPV6 1
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 socklen_t
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 int
+
+/* Specifies the number of arguments to getservbyport_r */
+#define GETSERVBYPORT_R_ARGS 5
+
+/* Specifies the size of the buffer to pass to getservbyport_r */
+#define GETSERVBYPORT_R_BUFSIZE 4096
+
+/* Define to 1 if you have the alarm function. */
+#define HAVE_ALARM 1
+
+/* Define to 1 if you have the <alloca.h> header file. */
+#define HAVE_ALLOCA_H 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <arpa/tftp.h> header file. */
+#define HAVE_ARPA_TFTP_H 1
+
+/* Define to 1 if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the `basename' function. */
+#define HAVE_BASENAME 1
+
+/* Define to 1 if bool is an available type. */
+/* #undef HAVE_BOOL_T */
+
+/* Define to 1 if you have the clock_gettime function and monotonic timer. */
+#define HAVE_CLOCK_GETTIME_MONOTONIC 1
+
+/* Define to 1 if you have the `closesocket' function. */
+/* #undef HAVE_CLOSESOCKET */
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function. */
+/* #undef HAVE_CRYPTO_CLEANUP_ALL_EX_DATA */
+
+/* Define to 1 if you have the <crypto.h> header file. */
+/* #undef HAVE_CRYPTO_H */
+
+/* Define to 1 if you have the <des.h> header file. */
+/* #undef HAVE_DES_H */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the `ENGINE_load_builtin_engines' function. */
+/* #undef HAVE_ENGINE_LOAD_BUILTIN_ENGINES */
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the <err.h> header file. */
+/* #undef HAVE_ERR_H */
+
+/* Define to 1 if you have the fcntl function. */
+#define HAVE_FCNTL 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have a working fcntl O_NONBLOCK function. */
+#define HAVE_FCNTL_O_NONBLOCK 1
+
+/* Define to 1 if you have the fdopen function. */
+#define HAVE_FDOPEN 1
+
+/* Define to 1 if you have the `fork' function. */
+#define HAVE_FORK 1
+
+/* Define to 1 if you have the freeaddrinfo function. */
+#define HAVE_FREEADDRINFO 1
+
+/* Define to 1 if you have the freeifaddrs function. */
+/* #undef HAVE_FREEIFADDRS */
+
+/* Define to 1 if you have the ftruncate function. */
+#define HAVE_FTRUNCATE 1
+
+/* Define to 1 if you have a working getaddrinfo function. */
+#define HAVE_GETADDRINFO 1
+
+/* Define to 1 if you have the `geteuid' function. */
+#define HAVE_GETEUID 1
+
+/* Define to 1 if you have the gethostbyaddr function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* Define to 1 if you have the gethostbyaddr_r function. */
+#define HAVE_GETHOSTBYADDR_R 1
+
+/* gethostbyaddr_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYADDR_R_5 */
+
+/* gethostbyaddr_r() takes 7 args */
+#define HAVE_GETHOSTBYADDR_R_7 1
+
+/* gethostbyaddr_r() takes 8 args */
+/* #undef HAVE_GETHOSTBYADDR_R_8 */
+
+/* Define to 1 if you have the gethostbyname function. */
+#define HAVE_GETHOSTBYNAME 1
+
+/* Define to 1 if you have the gethostbyname_r function. */
+#define HAVE_GETHOSTBYNAME_R 1
+
+/* gethostbyname_r() takes 3 args */
+/* #undef HAVE_GETHOSTBYNAME_R_3 */
+
+/* gethostbyname_r() takes 5 args */
+#define HAVE_GETHOSTBYNAME_R_5 1
+
+/* gethostbyname_r() takes 6 args */
+/* #undef HAVE_GETHOSTBYNAME_R_6 */
+
+/* Define to 1 if you have the gethostname function. */
+#define HAVE_GETHOSTNAME 1
+
+/* Define to 1 if you have a working getifaddrs function. */
+/* #undef HAVE_GETIFADDRS */
+
+/* Define to 1 if you have the getnameinfo function. */
+#define HAVE_GETNAMEINFO 1
+
+/* Define to 1 if you have the `getpass_r' function. */
+/* #undef HAVE_GETPASS_R */
+
+/* Define to 1 if you have the `getppid' function. */
+#define HAVE_GETPPID 1
+
+/* Define to 1 if you have the `getprotobyname' function. */
+#define HAVE_GETPROTOBYNAME 1
+
+/* Define to 1 if you have the `getpwuid' function. */
+#define HAVE_GETPWUID 1
+
+/* Define to 1 if you have the `getrlimit' function. */
+#define HAVE_GETRLIMIT 1
+
+/* Define to 1 if you have the getservbyport_r function. */
+#define HAVE_GETSERVBYPORT_R 1
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY 1
+
+/* Define to 1 if you have a working glibc-style strerror_r function. */
+/* #undef HAVE_GLIBC_STRERROR_R */
+
+/* Define to 1 if you have a working gmtime_r function. */
+#define HAVE_GMTIME_R 1
+
+/* if you have the gssapi libraries */
+/* #undef HAVE_GSSAPI */
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_GENERIC_H */
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_H */
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_KRB5_H */
+
+/* if you have the GNU gssapi libraries */
+/* #undef HAVE_GSSGNU */
+
+/* if you have the Heimdal gssapi libraries */
+/* #undef HAVE_GSSHEIMDAL */
+
+/* if you have the MIT gssapi libraries */
+/* #undef HAVE_GSSMIT */
+
+/* Define to 1 if you have the `idna_strerror' function. */
+/* #undef HAVE_IDNA_STRERROR */
+
+/* Define to 1 if you have the `idn_free' function. */
+/* #undef HAVE_IDN_FREE */
+
+/* Define to 1 if you have the <idn-free.h> header file. */
+/* #undef HAVE_IDN_FREE_H */
+
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+/* #undef HAVE_IFADDRS_H */
+
+/* Define to 1 if you have the `inet_addr' function. */
+#define HAVE_INET_ADDR 1
+
+/* Define to 1 if you have the inet_ntoa_r function. */
+/* #undef HAVE_INET_NTOA_R */
+
+/* inet_ntoa_r() takes 2 args */
+/* #undef HAVE_INET_NTOA_R_2 */
+
+/* inet_ntoa_r() takes 3 args */
+/* #undef HAVE_INET_NTOA_R_3 */
+
+/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
+#define HAVE_INET_NTOP 1
+
+/* Define to 1 if you have a IPv6 capable working inet_pton function. */
+#define HAVE_INET_PTON 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the ioctl function. */
+#define HAVE_IOCTL 1
+
+/* Define to 1 if you have the ioctlsocket function. */
+/* #undef HAVE_IOCTLSOCKET */
+
+/* Define to 1 if you have the IoctlSocket camel case function. */
+/* #undef HAVE_IOCTLSOCKET_CAMEL */
+
+/* Define to 1 if you have a working IoctlSocket camel case FIONBIO function.
+   */
+/* #undef HAVE_IOCTLSOCKET_CAMEL_FIONBIO */
+
+/* Define to 1 if you have a working ioctlsocket FIONBIO function. */
+/* #undef HAVE_IOCTLSOCKET_FIONBIO */
+
+/* Define to 1 if you have a working ioctl FIONBIO function. */
+/* #undef HAVE_IOCTL_FIONBIO */
+
+/* Define to 1 if you have a working ioctl SIOCGIFADDR function. */
+/* #undef HAVE_IOCTL_SIOCGIFADDR */
+
+/* Define to 1 if you have the <io.h> header file. */
+/* #undef HAVE_IO_H */
+
+/* if you have the Kerberos4 libraries (including -ldes) */
+/* #undef HAVE_KRB4 */
+
+/* Define to 1 if you have the `krb_get_our_ip_for_realm' function. */
+/* #undef HAVE_KRB_GET_OUR_IP_FOR_REALM */
+
+/* Define to 1 if you have the <krb.h> header file. */
+/* #undef HAVE_KRB_H */
+
+/* Define to 1 if you have the lber.h header file. */
+/* #undef HAVE_LBER_H */
+
+/* Define to 1 if you have the ldapssl.h header file. */
+/* #undef HAVE_LDAPSSL_H */
+
+/* Define to 1 if you have the ldap.h header file. */
+/* #undef HAVE_LDAP_H */
+
+/* Use LDAPS implementation */
+/* #undef HAVE_LDAP_SSL */
+
+/* Define to 1 if you have the ldap_ssl.h header file. */
+/* #undef HAVE_LDAP_SSL_H */
+
+/* Define to 1 if you have the `ldap_url_parse' function. */
+/* #undef HAVE_LDAP_URL_PARSE */
+
+/* Define to 1 if you have the <libgen.h> header file. */
+#define HAVE_LIBGEN_H 1
+
+/* Define to 1 if you have the `idn' library (-lidn). */
+/* #undef HAVE_LIBIDN */
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+/* #undef HAVE_LIBRESOLV */
+
+/* Define to 1 if you have the `resolve' library (-lresolve). */
+/* #undef HAVE_LIBRESOLVE */
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+#define HAVE_LIBSOCKET 1
+
+/* Define to 1 if you have the `ssh2' library (-lssh2). */
+/* #undef HAVE_LIBSSH2 */
+
+/* Define to 1 if you have the <libssh2.h> header file. */
+/* #undef HAVE_LIBSSH2_H */
+
+/* Define to 1 if you have the `ssl' library (-lssl). */
+/* #undef HAVE_LIBSSL */
+
+/* if zlib is available */
+#define HAVE_LIBZ 1
+
+/* Define to 1 if you have the <limits.h> header file. */
+#define HAVE_LIMITS_H 1
+
+/* if your compiler supports LL */
+#define HAVE_LL 1
+
+/* Define to 1 if you have the <locale.h> header file. */
+#define HAVE_LOCALE_H 1
+
+/* Define to 1 if you have a working localtime_r function. */
+#define HAVE_LOCALTIME_R 1
+
+/* Define to 1 if the compiler supports the 'long long' data type. */
+#define HAVE_LONGLONG 1
+
+/* Define to 1 if you have the malloc.h header file. */
+#define HAVE_MALLOC_H 1
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the MSG_NOSIGNAL flag. */
+/* #undef HAVE_MSG_NOSIGNAL */
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#define HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#define HAVE_NETINET_TCP_H 1
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H 1
+
+/* Define to 1 if NI_WITHSCOPEID exists and works. */
+/* #undef HAVE_NI_WITHSCOPEID */
+
+/* if you have an old MIT gssapi library, lacking GSS_C_NT_HOSTBASED_SERVICE
+   */
+/* #undef HAVE_OLD_GSSMIT */
+
+/* Define to 1 if you have the <openssl/crypto.h> header file. */
+/* #undef HAVE_OPENSSL_CRYPTO_H */
+
+/* Define to 1 if you have the <openssl/engine.h> header file. */
+/* #undef HAVE_OPENSSL_ENGINE_H */
+
+/* Define to 1 if you have the <openssl/err.h> header file. */
+/* #undef HAVE_OPENSSL_ERR_H */
+
+/* Define to 1 if you have the <openssl/pem.h> header file. */
+/* #undef HAVE_OPENSSL_PEM_H */
+
+/* Define to 1 if you have the <openssl/pkcs12.h> header file. */
+/* #undef HAVE_OPENSSL_PKCS12_H */
+
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+/* #undef HAVE_OPENSSL_RSA_H */
+
+/* Define to 1 if you have the <openssl/ssl.h> header file. */
+/* #undef HAVE_OPENSSL_SSL_H */
+
+/* Define to 1 if you have the <openssl/x509.h> header file. */
+/* #undef HAVE_OPENSSL_X509_H */
+
+/* Define to 1 if you have the <pem.h> header file. */
+/* #undef HAVE_PEM_H */
+
+/* Define to 1 if you have the `perror' function. */
+#define HAVE_PERROR 1
+
+/* Define to 1 if you have the `pipe' function. */
+#define HAVE_PIPE 1
+
+/* if you have the function PK11_CreateGenericObject */
+/* #undef HAVE_PK11_CREATEGENERICOBJECT */
+
+/* Define to 1 if you have a working poll function. */
+#define HAVE_POLL 1
+
+/* If you have a fine poll */
+#define HAVE_POLL_FINE 1
+
+/* Define to 1 if you have the <poll.h> header file. */
+#define HAVE_POLL_H 1
+
+/* Define to 1 if you have a working POSIX-style strerror_r function. */
+#define HAVE_POSIX_STRERROR_R 1
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#define HAVE_PWD_H 1
+
+/* Define to 1 if you have the `RAND_egd' function. */
+/* #undef HAVE_RAND_EGD */
+
+/* Define to 1 if you have the `RAND_screen' function. */
+/* #undef HAVE_RAND_SCREEN */
+
+/* Define to 1 if you have the `RAND_status' function. */
+/* #undef HAVE_RAND_STATUS */
+
+/* Define to 1 if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to 1 if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to 1 if you have the <rsa.h> header file. */
+/* #undef HAVE_RSA_H */
+
+/* Define to 1 if you have the select function. */
+#define HAVE_SELECT 1
+
+/* Define to 1 if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#define HAVE_SETJMP_H 1
+
+/* Define to 1 if you have the `setlocale' function. */
+#define HAVE_SETLOCALE 1
+
+/* Define to 1 if you have the `setmode' function. */
+/* #undef HAVE_SETMODE */
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define HAVE_SETRLIMIT 1
+
+/* Define to 1 if you have the setsockopt function. */
+#define HAVE_SETSOCKOPT 1
+
+/* Define to 1 if you have a working setsockopt SO_NONBLOCK function. */
+/* #undef HAVE_SETSOCKOPT_SO_NONBLOCK */
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+#define HAVE_SGTTY_H 1
+
+/* Define to 1 if you have the sigaction function. */
+#define HAVE_SIGACTION 1
+
+/* Define to 1 if you have the siginterrupt function. */
+#define HAVE_SIGINTERRUPT 1
+
+/* Define to 1 if you have the signal function. */
+#define HAVE_SIGNAL 1
+
+/* Define to 1 if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define to 1 if you have the sigsetjmp function or macro. */
+#define HAVE_SIGSETJMP 1
+
+/* Define to 1 if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define to 1 if sig_atomic_t is already defined as volatile. */
+/* #undef HAVE_SIG_ATOMIC_T_VOLATILE */
+
+/* Define to 1 if struct sockaddr_in6 has the sin6_scope_id member */
+#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define this if you have the SPNEGO library fbopenssl */
+/* #undef HAVE_SPNEGO */
+
+/* Define to 1 if you have the `SSL_get_shutdown' function. */
+/* #undef HAVE_SSL_GET_SHUTDOWN */
+
+/* Define to 1 if you have the <ssl.h> header file. */
+/* #undef HAVE_SSL_H */
+
+/* Define to 1 if you have the <stdbool.h> header file. */
+/* #undef HAVE_STDBOOL_H */
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the strcasecmp function. */
+#define HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the strcasestr function. */
+/* #undef HAVE_STRCASESTR */
+
+/* Define to 1 if you have the strcmpi function. */
+/* #undef HAVE_STRCMPI */
+
+/* Define to 1 if you have the strdup function. */
+#define HAVE_STRDUP 1
+
+/* Define to 1 if you have the strerror_r function. */
+#define HAVE_STRERROR_R 1
+
+/* Define to 1 if you have the stricmp function. */
+/* #undef HAVE_STRICMP */
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the strlcat function. */
+#define HAVE_STRLCAT 1
+
+/* Define to 1 if you have the `strlcpy' function. */
+/* #undef HAVE_STRLCPY */
+
+/* Define to 1 if you have the strncasecmp function. */
+#define HAVE_STRNCASECMP 1
+
+/* Define to 1 if you have the strncmpi function. */
+/* #undef HAVE_STRNCMPI */
+
+/* Define to 1 if you have the strnicmp function. */
+/* #undef HAVE_STRNICMP */
+
+/* Define to 1 if you have the <stropts.h> header file. */
+#define HAVE_STROPTS_H 1
+
+/* Define to 1 if you have the strstr function. */
+#define HAVE_STRSTR 1
+
+/* Define to 1 if you have the strtok_r function. */
+#define HAVE_STRTOK_R 1
+
+/* Define to 1 if you have the strtoll function. */
+#define HAVE_STRTOLL 1
+
+/* if struct sockaddr_storage is defined */
+#define HAVE_STRUCT_SOCKADDR_STORAGE 1
+
+/* Define to 1 if you have the timeval struct. */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* Define to 1 if you have the <sys/filio.h> header file. */
+#define HAVE_SYS_FILIO_H 1
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#define HAVE_SYS_PARAM_H 1
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+#define HAVE_SYS_POLL_H 1
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define HAVE_SYS_RESOURCE_H 1
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#define HAVE_SYS_SELECT_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+#define HAVE_SYS_SOCKIO_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#define HAVE_SYS_UIO_H 1
+
+/* Define to 1 if you have the <sys/un.h> header file. */
+#define HAVE_SYS_UN_H 1
+
+/* Define to 1 if you have the <sys/utime.h> header file. */
+#define HAVE_SYS_UTIME_H 1
+
+/* Define to 1 if you have the <termios.h> header file. */
+#define HAVE_TERMIOS_H 1
+
+/* Define to 1 if you have the <termio.h> header file. */
+#define HAVE_TERMIO_H 1
+
+/* Define to 1 if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define to 1 if you have the <tld.h> header file. */
+/* #undef HAVE_TLD_H */
+
+/* Define to 1 if you have the `tld_strerror' function. */
+/* #undef HAVE_TLD_STRERROR */
+
+/* Define to 1 if you have the `uname' function. */
+#define HAVE_UNAME 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `utime' function. */
+#define HAVE_UTIME 1
+
+/* Define to 1 if you have the <utime.h> header file. */
+#define HAVE_UTIME_H 1
+
+/* Define to 1 if compiler supports C99 variadic macro style. */
+#define HAVE_VARIADIC_MACROS_C99 1
+
+/* Define to 1 if compiler supports old gcc variadic macro style. */
+#define HAVE_VARIADIC_MACROS_GCC 1
+
+/* Define to 1 if you have the winber.h header file. */
+/* #undef HAVE_WINBER_H */
+
+/* Define to 1 if you have the windows.h header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* Define to 1 if you have the winldap.h header file. */
+/* #undef HAVE_WINLDAP_H */
+
+/* Define to 1 if you have the winsock2.h header file. */
+/* #undef HAVE_WINSOCK2_H */
+
+/* Define to 1 if you have the winsock.h header file. */
+/* #undef HAVE_WINSOCK_H */
+
+/* Define this symbol if your OS supports changing the contents of argv */
+#define HAVE_WRITABLE_ARGV 1
+
+/* Define to 1 if you have the writev function. */
+#define HAVE_WRITEV 1
+
+/* Define to 1 if you have the ws2tcpip.h header file. */
+/* #undef HAVE_WS2TCPIP_H */
+
+/* Define to 1 if you have the <x509.h> header file. */
+/* #undef HAVE_X509_H */
+
+/* if you have the zlib.h header file */
+#define HAVE_ZLIB_H 1
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#define LT_OBJDIR ".libs/"
+
+/* Define to 1 if you are building a native Windows target. */
+/* #undef NATIVE_WINDOWS */
+
+/* If you lack a fine basename() prototype */
+/* #undef NEED_BASENAME_PROTO */
+
+/* Define to 1 if you need the lber.h header file even with ldap.h */
+/* #undef NEED_LBER_H */
+
+/* Define to 1 if you need the malloc.h header file even with stdlib.h */
+/* #undef NEED_MALLOC_H */
+
+/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
+#define NEED_REENTRANT 1
+
+/* cpu-machine-OS */
+#define OS "i386-pc-solaris2.10"
+
+/* Name of package */
+#define PACKAGE "curl"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "a suitable curl mailing list => http://curl.haxx.se/mail/"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "curl"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "curl -"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "curl"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "-"
+
+/* a suitable file to read random data from */
+/* #undef RANDOM_FILE */
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 int
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 void
+
+/* Define to 1 if the type pointed by arg 2 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG2_IS_VOID 1
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to 1 if the type pointed by arg 5 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG5_IS_VOID */
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 void
+
+/* Define to 1 if the type pointed by arg 6 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG6_IS_VOID 1
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV ssize_t
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV ssize_t
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* Define to the type qualifier of arg 5 for select. */
+#define SELECT_QUAL_ARG5 
+
+/* Define to the type of arg 1 for select. */
+#define SELECT_TYPE_ARG1 int
+
+/* Define to the type of args 2, 3 and 4 for select. */
+#define SELECT_TYPE_ARG234 fd_set *
+
+/* Define to the type of arg 5 for select. */
+#define SELECT_TYPE_ARG5 struct timeval *
+
+/* Define to the function return type for select. */
+#define SELECT_TYPE_RETV int
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV ssize_t
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 8
+
+/* The size of `off_t', as computed by sizeof. */
+#define SIZEOF_OFF_T 8
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 8
+
+/* The size of `time_t', as computed by sizeof. */
+#define SIZEOF_TIME_T 8
+
+/* The size of `void*', as computed by sizeof. */
+#define SIZEOF_VOIDP 8
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define to the type of arg 3 for strerror_r. */
+#define STRERROR_R_TYPE_ARG3 size_t
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* Define if you want to enable c-ares support */
+/* #undef USE_ARES */
+
+/* Define to disable non-blocking sockets. */
+/* #undef USE_BLOCKING_SOCKETS */
+
+/* if GnuTLS is enabled */
+/* #undef USE_GNUTLS */
+
+/* if libSSH2 is in use */
+/* #undef USE_LIBSSH2 */
+
+/* If you want to build curl with the built-in manual */
+/* #undef USE_MANUAL */
+
+/* if NSS is enabled */
+/* #undef USE_NSS */
+
+/* if OpenSSL is in use */
+#define USE_OPENSSL
+
+/* if SSL is enabled */
+#define USE_SSLEAY
+
+/* Define to 1 if you are building a Windows target without large file
+   support. */
+/* #undef USE_WIN32_LARGE_FILES */
+
+/* to enable SSPI support */
+/* #undef USE_WINDOWS_SSPI */
+
+/* Define to 1 if using yaSSL in OpenSSL compatibility mode. */
+/* #undef USE_YASSLEMUL */
+
+/* Version number of package */
+#define VERSION "7.19.4"
+
+/* Define to avoid automatic inclusion of winsock.h */
+/* #undef WIN32_LEAN_AND_MEAN */
+
+/* Define to 1 if OS is AIX. */
+#ifndef _ALL_SOURCE
+/* #  undef _ALL_SOURCE */
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+/* #undef _FILE_OFFSET_BITS */
+
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* define this if you need it to compile thread-safe code */
+/* #undef _THREAD_SAFE */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Type to use in place of in_addr_t when system does not provide it. */
+/* #undef in_addr_t */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+/* #undef inline */
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+/* Type to use in place of socklen_t when system does not provide it. */
+/* #undef socklen_t */
+
+/* the signed version of size_t */
+/* #undef ssize_t */
+/* lib/config.h.  Generated from config.h.in by configure.  */
+/* lib/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if you have the $func function. */
+/* #undef AS_TR_CPP */
+
+/* when building libcurl itself */
+/* #undef BUILDING_LIBCURL */
+
+/* Location of default ca bundle */
+/* #undef CURL_CA_BUNDLE */
+
+/* Location of default ca path */
+/* #undef CURL_CA_PATH */
+
+/* to disable cookies support */
+/* #undef CURL_DISABLE_COOKIES */
+
+/* to disable cryptographic authentication */
+/* #undef CURL_DISABLE_CRYPTO_AUTH */
+
+/* to disable DICT */
+/* #undef CURL_DISABLE_DICT */
+
+/* to disable FILE */
+/* #undef CURL_DISABLE_FILE */
+
+/* to disable FTP */
+/* #undef CURL_DISABLE_FTP */
+
+/* to disable HTTP */
+/* #undef CURL_DISABLE_HTTP */
+
+/* to disable LDAP */
+#define CURL_DISABLE_LDAP 1
+
+/* to disable LDAPS */
+#define CURL_DISABLE_LDAPS 1
+
+/* to disable proxies */
+/* #undef CURL_DISABLE_PROXY */
+
+/* to disable TELNET */
+/* #undef CURL_DISABLE_TELNET */
+
+/* to disable TFTP */
+/* #undef CURL_DISABLE_TFTP */
+
+/* to disable verbose strings */
+/* #undef CURL_DISABLE_VERBOSE_STRINGS */
+
+/* to make a symbol visible */
+/* #undef CURL_EXTERN_SYMBOL */
+
+/* to enable hidden symbols */
+/* #undef CURL_HIDDEN_SYMBOLS */
+
+/* W$ LDAP with non-W$ compiler */
+/* #undef CURL_LDAP_HYBRID */
+
+/* Use W$ LDAP implementation */
+/* #undef CURL_LDAP_WIN */
+
+/* when not building a shared library */
+/* #undef CURL_STATICLIB */
+
+/* Set to explicitly specify we don't want to use thread-safe functions */
+/* #undef DISABLED_THREADSAFE */
+
+/* your Entropy Gathering Daemon socket pathname */
+/* #undef EGD_SOCKET */
+
+/* Define if you want to enable IPv6 support */
+#define ENABLE_IPV6 1
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 socklen_t
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 int
+
+/* Specifies the number of arguments to getservbyport_r */
+#define GETSERVBYPORT_R_ARGS 5
+
+/* Specifies the size of the buffer to pass to getservbyport_r */
+#define GETSERVBYPORT_R_BUFSIZE 4096
+
+/* Define to 1 if you have the alarm function. */
+#define HAVE_ALARM 1
+
+/* Define to 1 if you have the <alloca.h> header file. */
+#define HAVE_ALLOCA_H 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <arpa/tftp.h> header file. */
+#define HAVE_ARPA_TFTP_H 1
+
+/* Define to 1 if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the `basename' function. */
+#define HAVE_BASENAME 1
+
+/* Define to 1 if bool is an available type. */
+/* #undef HAVE_BOOL_T */
+
+/* Define to 1 if you have the clock_gettime function and monotonic timer. */
+#define HAVE_CLOCK_GETTIME_MONOTONIC 1
+
+/* Define to 1 if you have the `closesocket' function. */
+/* #undef HAVE_CLOSESOCKET */
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function. */
+/* #undef HAVE_CRYPTO_CLEANUP_ALL_EX_DATA */
+
+/* Define to 1 if you have the <crypto.h> header file. */
+/* #undef HAVE_CRYPTO_H */
+
+/* Define to 1 if you have the <des.h> header file. */
+/* #undef HAVE_DES_H */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the `ENGINE_load_builtin_engines' function. */
+/* #undef HAVE_ENGINE_LOAD_BUILTIN_ENGINES */
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the <err.h> header file. */
+/* #undef HAVE_ERR_H */
+
+/* Define to 1 if you have the fcntl function. */
+#define HAVE_FCNTL 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have a working fcntl O_NONBLOCK function. */
+#define HAVE_FCNTL_O_NONBLOCK 1
+
+/* Define to 1 if you have the fdopen function. */
+#define HAVE_FDOPEN 1
+
+/* Define to 1 if you have the `fork' function. */
+#define HAVE_FORK 1
+
+/* Define to 1 if you have the freeaddrinfo function. */
+#define HAVE_FREEADDRINFO 1
+
+/* Define to 1 if you have the freeifaddrs function. */
+/* #undef HAVE_FREEIFADDRS */
+
+/* Define to 1 if you have the ftruncate function. */
+#define HAVE_FTRUNCATE 1
+
+/* Define to 1 if you have a working getaddrinfo function. */
+#define HAVE_GETADDRINFO 1
+
+/* Define to 1 if you have the `geteuid' function. */
+#define HAVE_GETEUID 1
+
+/* Define to 1 if you have the gethostbyaddr function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* Define to 1 if you have the gethostbyaddr_r function. */
+#define HAVE_GETHOSTBYADDR_R 1
+
+/* gethostbyaddr_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYADDR_R_5 */
+
+/* gethostbyaddr_r() takes 7 args */
+#define HAVE_GETHOSTBYADDR_R_7 1
+
+/* gethostbyaddr_r() takes 8 args */
+/* #undef HAVE_GETHOSTBYADDR_R_8 */
+
+/* Define to 1 if you have the gethostbyname function. */
+#define HAVE_GETHOSTBYNAME 1
+
+/* Define to 1 if you have the gethostbyname_r function. */
+#define HAVE_GETHOSTBYNAME_R 1
+
+/* gethostbyname_r() takes 3 args */
+/* #undef HAVE_GETHOSTBYNAME_R_3 */
+
+/* gethostbyname_r() takes 5 args */
+#define HAVE_GETHOSTBYNAME_R_5 1
+
+/* gethostbyname_r() takes 6 args */
+/* #undef HAVE_GETHOSTBYNAME_R_6 */
+
+/* Define to 1 if you have the gethostname function. */
+#define HAVE_GETHOSTNAME 1
+
+/* Define to 1 if you have a working getifaddrs function. */
+/* #undef HAVE_GETIFADDRS */
+
+/* Define to 1 if you have the getnameinfo function. */
+#define HAVE_GETNAMEINFO 1
+
+/* Define to 1 if you have the `getpass_r' function. */
+/* #undef HAVE_GETPASS_R */
+
+/* Define to 1 if you have the `getppid' function. */
+#define HAVE_GETPPID 1
+
+/* Define to 1 if you have the `getprotobyname' function. */
+#define HAVE_GETPROTOBYNAME 1
+
+/* Define to 1 if you have the `getpwuid' function. */
+#define HAVE_GETPWUID 1
+
+/* Define to 1 if you have the `getrlimit' function. */
+#define HAVE_GETRLIMIT 1
+
+/* Define to 1 if you have the getservbyport_r function. */
+#define HAVE_GETSERVBYPORT_R 1
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY 1
+
+/* Define to 1 if you have a working glibc-style strerror_r function. */
+/* #undef HAVE_GLIBC_STRERROR_R */
+
+/* Define to 1 if you have a working gmtime_r function. */
+#define HAVE_GMTIME_R 1
+
+/* if you have the gssapi libraries */
+/* #undef HAVE_GSSAPI */
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_GENERIC_H */
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_H */
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_KRB5_H */
+
+/* if you have the GNU gssapi libraries */
+/* #undef HAVE_GSSGNU */
+
+/* if you have the Heimdal gssapi libraries */
+/* #undef HAVE_GSSHEIMDAL */
+
+/* if you have the MIT gssapi libraries */
+/* #undef HAVE_GSSMIT */
+
+/* Define to 1 if you have the `idna_strerror' function. */
+/* #undef HAVE_IDNA_STRERROR */
+
+/* Define to 1 if you have the `idn_free' function. */
+/* #undef HAVE_IDN_FREE */
+
+/* Define to 1 if you have the <idn-free.h> header file. */
+/* #undef HAVE_IDN_FREE_H */
+
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+/* #undef HAVE_IFADDRS_H */
+
+/* Define to 1 if you have the `inet_addr' function. */
+#define HAVE_INET_ADDR 1
+
+/* Define to 1 if you have the inet_ntoa_r function. */
+/* #undef HAVE_INET_NTOA_R */
+
+/* inet_ntoa_r() takes 2 args */
+/* #undef HAVE_INET_NTOA_R_2 */
+
+/* inet_ntoa_r() takes 3 args */
+/* #undef HAVE_INET_NTOA_R_3 */
+
+/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
+#define HAVE_INET_NTOP 1
+
+/* Define to 1 if you have a IPv6 capable working inet_pton function. */
+#define HAVE_INET_PTON 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the ioctl function. */
+#define HAVE_IOCTL 1
+
+/* Define to 1 if you have the ioctlsocket function. */
+/* #undef HAVE_IOCTLSOCKET */
+
+/* Define to 1 if you have the IoctlSocket camel case function. */
+/* #undef HAVE_IOCTLSOCKET_CAMEL */
+
+/* Define to 1 if you have a working IoctlSocket camel case FIONBIO function.
+   */
+/* #undef HAVE_IOCTLSOCKET_CAMEL_FIONBIO */
+
+/* Define to 1 if you have a working ioctlsocket FIONBIO function. */
+/* #undef HAVE_IOCTLSOCKET_FIONBIO */
+
+/* Define to 1 if you have a working ioctl FIONBIO function. */
+/* #undef HAVE_IOCTL_FIONBIO */
+
+/* Define to 1 if you have a working ioctl SIOCGIFADDR function. */
+/* #undef HAVE_IOCTL_SIOCGIFADDR */
+
+/* Define to 1 if you have the <io.h> header file. */
+/* #undef HAVE_IO_H */
+
+/* if you have the Kerberos4 libraries (including -ldes) */
+/* #undef HAVE_KRB4 */
+
+/* Define to 1 if you have the `krb_get_our_ip_for_realm' function. */
+/* #undef HAVE_KRB_GET_OUR_IP_FOR_REALM */
+
+/* Define to 1 if you have the <krb.h> header file. */
+/* #undef HAVE_KRB_H */
+
+/* Define to 1 if you have the lber.h header file. */
+/* #undef HAVE_LBER_H */
+
+/* Define to 1 if you have the ldapssl.h header file. */
+/* #undef HAVE_LDAPSSL_H */
+
+/* Define to 1 if you have the ldap.h header file. */
+/* #undef HAVE_LDAP_H */
+
+/* Use LDAPS implementation */
+/* #undef HAVE_LDAP_SSL */
+
+/* Define to 1 if you have the ldap_ssl.h header file. */
+/* #undef HAVE_LDAP_SSL_H */
+
+/* Define to 1 if you have the `ldap_url_parse' function. */
+/* #undef HAVE_LDAP_URL_PARSE */
+
+/* Define to 1 if you have the <libgen.h> header file. */
+#define HAVE_LIBGEN_H 1
+
+/* Define to 1 if you have the `idn' library (-lidn). */
+/* #undef HAVE_LIBIDN */
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+/* #undef HAVE_LIBRESOLV */
+
+/* Define to 1 if you have the `resolve' library (-lresolve). */
+/* #undef HAVE_LIBRESOLVE */
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+#define HAVE_LIBSOCKET 1
+
+/* Define to 1 if you have the `ssh2' library (-lssh2). */
+/* #undef HAVE_LIBSSH2 */
+
+/* Define to 1 if you have the <libssh2.h> header file. */
+/* #undef HAVE_LIBSSH2_H */
+
+/* Define to 1 if you have the `ssl' library (-lssl). */
+/* #undef HAVE_LIBSSL */
+
+/* if zlib is available */
+#define HAVE_LIBZ 1
+
+/* Define to 1 if you have the <limits.h> header file. */
+#define HAVE_LIMITS_H 1
+
+/* if your compiler supports LL */
+#define HAVE_LL 1
+
+/* Define to 1 if you have the <locale.h> header file. */
+#define HAVE_LOCALE_H 1
+
+/* Define to 1 if you have a working localtime_r function. */
+#define HAVE_LOCALTIME_R 1
+
+/* Define to 1 if the compiler supports the 'long long' data type. */
+#define HAVE_LONGLONG 1
+
+/* Define to 1 if you have the malloc.h header file. */
+#define HAVE_MALLOC_H 1
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the MSG_NOSIGNAL flag. */
+/* #undef HAVE_MSG_NOSIGNAL */
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#define HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#define HAVE_NETINET_TCP_H 1
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H 1
+
+/* Define to 1 if NI_WITHSCOPEID exists and works. */
+/* #undef HAVE_NI_WITHSCOPEID */
+
+/* if you have an old MIT gssapi library, lacking GSS_C_NT_HOSTBASED_SERVICE
+   */
+/* #undef HAVE_OLD_GSSMIT */
+
+/* Define to 1 if you have the <openssl/crypto.h> header file. */
+/* #undef HAVE_OPENSSL_CRYPTO_H */
+
+/* Define to 1 if you have the <openssl/engine.h> header file. */
+/* #undef HAVE_OPENSSL_ENGINE_H */
+
+/* Define to 1 if you have the <openssl/err.h> header file. */
+/* #undef HAVE_OPENSSL_ERR_H */
+
+/* Define to 1 if you have the <openssl/pem.h> header file. */
+/* #undef HAVE_OPENSSL_PEM_H */
+
+/* Define to 1 if you have the <openssl/pkcs12.h> header file. */
+/* #undef HAVE_OPENSSL_PKCS12_H */
+
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+/* #undef HAVE_OPENSSL_RSA_H */
+
+/* Define to 1 if you have the <openssl/ssl.h> header file. */
+/* #undef HAVE_OPENSSL_SSL_H */
+
+/* Define to 1 if you have the <openssl/x509.h> header file. */
+/* #undef HAVE_OPENSSL_X509_H */
+
+/* Define to 1 if you have the <pem.h> header file. */
+/* #undef HAVE_PEM_H */
+
+/* Define to 1 if you have the `perror' function. */
+#define HAVE_PERROR 1
+
+/* Define to 1 if you have the `pipe' function. */
+#define HAVE_PIPE 1
+
+/* if you have the function PK11_CreateGenericObject */
+/* #undef HAVE_PK11_CREATEGENERICOBJECT */
+
+/* Define to 1 if you have a working poll function. */
+#define HAVE_POLL 1
+
+/* If you have a fine poll */
+#define HAVE_POLL_FINE 1
+
+/* Define to 1 if you have the <poll.h> header file. */
+#define HAVE_POLL_H 1
+
+/* Define to 1 if you have a working POSIX-style strerror_r function. */
+#define HAVE_POSIX_STRERROR_R 1
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#define HAVE_PWD_H 1
+
+/* Define to 1 if you have the `RAND_egd' function. */
+/* #undef HAVE_RAND_EGD */
+
+/* Define to 1 if you have the `RAND_screen' function. */
+/* #undef HAVE_RAND_SCREEN */
+
+/* Define to 1 if you have the `RAND_status' function. */
+/* #undef HAVE_RAND_STATUS */
+
+/* Define to 1 if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to 1 if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to 1 if you have the <rsa.h> header file. */
+/* #undef HAVE_RSA_H */
+
+/* Define to 1 if you have the select function. */
+#define HAVE_SELECT 1
+
+/* Define to 1 if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#define HAVE_SETJMP_H 1
+
+/* Define to 1 if you have the `setlocale' function. */
+#define HAVE_SETLOCALE 1
+
+/* Define to 1 if you have the `setmode' function. */
+/* #undef HAVE_SETMODE */
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define HAVE_SETRLIMIT 1
+
+/* Define to 1 if you have the setsockopt function. */
+#define HAVE_SETSOCKOPT 1
+
+/* Define to 1 if you have a working setsockopt SO_NONBLOCK function. */
+/* #undef HAVE_SETSOCKOPT_SO_NONBLOCK */
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+#define HAVE_SGTTY_H 1
+
+/* Define to 1 if you have the sigaction function. */
+#define HAVE_SIGACTION 1
+
+/* Define to 1 if you have the siginterrupt function. */
+#define HAVE_SIGINTERRUPT 1
+
+/* Define to 1 if you have the signal function. */
+#define HAVE_SIGNAL 1
+
+/* Define to 1 if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define to 1 if you have the sigsetjmp function or macro. */
+#define HAVE_SIGSETJMP 1
+
+/* Define to 1 if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define to 1 if sig_atomic_t is already defined as volatile. */
+/* #undef HAVE_SIG_ATOMIC_T_VOLATILE */
+
+/* Define to 1 if struct sockaddr_in6 has the sin6_scope_id member */
+#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define this if you have the SPNEGO library fbopenssl */
+/* #undef HAVE_SPNEGO */
+
+/* Define to 1 if you have the `SSL_get_shutdown' function. */
+/* #undef HAVE_SSL_GET_SHUTDOWN */
+
+/* Define to 1 if you have the <ssl.h> header file. */
+/* #undef HAVE_SSL_H */
+
+/* Define to 1 if you have the <stdbool.h> header file. */
+/* #undef HAVE_STDBOOL_H */
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the strcasecmp function. */
+#define HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the strcasestr function. */
+/* #undef HAVE_STRCASESTR */
+
+/* Define to 1 if you have the strcmpi function. */
+/* #undef HAVE_STRCMPI */
+
+/* Define to 1 if you have the strdup function. */
+#define HAVE_STRDUP 1
+
+/* Define to 1 if you have the strerror_r function. */
+#define HAVE_STRERROR_R 1
+
+/* Define to 1 if you have the stricmp function. */
+/* #undef HAVE_STRICMP */
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the strlcat function. */
+#define HAVE_STRLCAT 1
+
+/* Define to 1 if you have the `strlcpy' function. */
+/* #undef HAVE_STRLCPY */
+
+/* Define to 1 if you have the strncasecmp function. */
+#define HAVE_STRNCASECMP 1
+
+/* Define to 1 if you have the strncmpi function. */
+/* #undef HAVE_STRNCMPI */
+
+/* Define to 1 if you have the strnicmp function. */
+/* #undef HAVE_STRNICMP */
+
+/* Define to 1 if you have the <stropts.h> header file. */
+#define HAVE_STROPTS_H 1
+
+/* Define to 1 if you have the strstr function. */
+#define HAVE_STRSTR 1
+
+/* Define to 1 if you have the strtok_r function. */
+#define HAVE_STRTOK_R 1
+
+/* Define to 1 if you have the strtoll function. */
+#define HAVE_STRTOLL 1
+
+/* if struct sockaddr_storage is defined */
+#define HAVE_STRUCT_SOCKADDR_STORAGE 1
+
+/* Define to 1 if you have the timeval struct. */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* Define to 1 if you have the <sys/filio.h> header file. */
+#define HAVE_SYS_FILIO_H 1
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#define HAVE_SYS_PARAM_H 1
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+#define HAVE_SYS_POLL_H 1
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define HAVE_SYS_RESOURCE_H 1
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#define HAVE_SYS_SELECT_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+#define HAVE_SYS_SOCKIO_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#define HAVE_SYS_UIO_H 1
+
+/* Define to 1 if you have the <sys/un.h> header file. */
+#define HAVE_SYS_UN_H 1
+
+/* Define to 1 if you have the <sys/utime.h> header file. */
+#define HAVE_SYS_UTIME_H 1
+
+/* Define to 1 if you have the <termios.h> header file. */
+#define HAVE_TERMIOS_H 1
+
+/* Define to 1 if you have the <termio.h> header file. */
+#define HAVE_TERMIO_H 1
+
+/* Define to 1 if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define to 1 if you have the <tld.h> header file. */
+/* #undef HAVE_TLD_H */
+
+/* Define to 1 if you have the `tld_strerror' function. */
+/* #undef HAVE_TLD_STRERROR */
+
+/* Define to 1 if you have the `uname' function. */
+#define HAVE_UNAME 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `utime' function. */
+#define HAVE_UTIME 1
+
+/* Define to 1 if you have the <utime.h> header file. */
+#define HAVE_UTIME_H 1
+
+/* Define to 1 if compiler supports C99 variadic macro style. */
+#define HAVE_VARIADIC_MACROS_C99 1
+
+/* Define to 1 if compiler supports old gcc variadic macro style. */
+#define HAVE_VARIADIC_MACROS_GCC 1
+
+/* Define to 1 if you have the winber.h header file. */
+/* #undef HAVE_WINBER_H */
+
+/* Define to 1 if you have the windows.h header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* Define to 1 if you have the winldap.h header file. */
+/* #undef HAVE_WINLDAP_H */
+
+/* Define to 1 if you have the winsock2.h header file. */
+/* #undef HAVE_WINSOCK2_H */
+
+/* Define to 1 if you have the winsock.h header file. */
+/* #undef HAVE_WINSOCK_H */
+
+/* Define this symbol if your OS supports changing the contents of argv */
+#define HAVE_WRITABLE_ARGV 1
+
+/* Define to 1 if you have the writev function. */
+#define HAVE_WRITEV 1
+
+/* Define to 1 if you have the ws2tcpip.h header file. */
+/* #undef HAVE_WS2TCPIP_H */
+
+/* Define to 1 if you have the <x509.h> header file. */
+/* #undef HAVE_X509_H */
+
+/* if you have the zlib.h header file */
+#define HAVE_ZLIB_H 1
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#define LT_OBJDIR ".libs/"
+
+/* Define to 1 if you are building a native Windows target. */
+/* #undef NATIVE_WINDOWS */
+
+/* If you lack a fine basename() prototype */
+/* #undef NEED_BASENAME_PROTO */
+
+/* Define to 1 if you need the lber.h header file even with ldap.h */
+/* #undef NEED_LBER_H */
+
+/* Define to 1 if you need the malloc.h header file even with stdlib.h */
+/* #undef NEED_MALLOC_H */
+
+/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
+#define NEED_REENTRANT 1
+
+/* cpu-machine-OS */
+#define OS "i386-pc-solaris2.10"
+
+/* Name of package */
+#define PACKAGE "curl"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "a suitable curl mailing list => http://curl.haxx.se/mail/"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "curl"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "curl -"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "curl"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "-"
+
+/* a suitable file to read random data from */
+/* #undef RANDOM_FILE */
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 int
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 void
+
+/* Define to 1 if the type pointed by arg 2 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG2_IS_VOID 1
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to 1 if the type pointed by arg 5 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG5_IS_VOID */
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 void
+
+/* Define to 1 if the type pointed by arg 6 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG6_IS_VOID 1
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV ssize_t
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV ssize_t
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* Define to the type qualifier of arg 5 for select. */
+#define SELECT_QUAL_ARG5 
+
+/* Define to the type of arg 1 for select. */
+#define SELECT_TYPE_ARG1 int
+
+/* Define to the type of args 2, 3 and 4 for select. */
+#define SELECT_TYPE_ARG234 fd_set *
+
+/* Define to the type of arg 5 for select. */
+#define SELECT_TYPE_ARG5 struct timeval *
+
+/* Define to the function return type for select. */
+#define SELECT_TYPE_RETV int
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV ssize_t
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 8
+
+/* The size of `off_t', as computed by sizeof. */
+#define SIZEOF_OFF_T 8
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 8
+
+/* The size of `time_t', as computed by sizeof. */
+#define SIZEOF_TIME_T 8
+
+/* The size of `void*', as computed by sizeof. */
+#define SIZEOF_VOIDP 8
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define to the type of arg 3 for strerror_r. */
+#define STRERROR_R_TYPE_ARG3 size_t
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* Define if you want to enable c-ares support */
+/* #undef USE_ARES */
+
+/* Define to disable non-blocking sockets. */
+/* #undef USE_BLOCKING_SOCKETS */
+
+/* if GnuTLS is enabled */
+/* #undef USE_GNUTLS */
+
+/* if libSSH2 is in use */
+/* #undef USE_LIBSSH2 */
+
+/* If you want to build curl with the built-in manual */
+/* #undef USE_MANUAL */
+
+/* if NSS is enabled */
+/* #undef USE_NSS */
+
+/* if OpenSSL is in use */
+#define USE_OPENSSL
+
+/* if SSL is enabled */
+#define USE_SSLEAY
+
+/* Define to 1 if you are building a Windows target without large file
+   support. */
+/* #undef USE_WIN32_LARGE_FILES */
+
+/* to enable SSPI support */
+/* #undef USE_WINDOWS_SSPI */
+
+/* Define to 1 if using yaSSL in OpenSSL compatibility mode. */
+/* #undef USE_YASSLEMUL */
+
+/* Version number of package */
+#define VERSION "7.19.4"
+
+/* Define to avoid automatic inclusion of winsock.h */
+/* #undef WIN32_LEAN_AND_MEAN */
+
+/* Define to 1 if OS is AIX. */
+#ifndef _ALL_SOURCE
+/* #  undef _ALL_SOURCE */
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+/* #undef _FILE_OFFSET_BITS */
+
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* define this if you need it to compile thread-safe code */
+/* #undef _THREAD_SAFE */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Type to use in place of in_addr_t when system does not provide it. */
+/* #undef in_addr_t */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+/* #undef inline */
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+/* Type to use in place of socklen_t when system does not provide it. */
+/* #undef socklen_t */
+
+/* the signed version of size_t */
+/* #undef ssize_t */
+
+/* The size of `curl_off_t', as computed by sizeof. */
+#define SIZEOF_CURL_OFF_T 8
Index: trunk/src/libs/curl-7.64.0/config.h.solaris.sparc32
===================================================================
--- trunk/src/libs/curl-7.64.0/config.h.solaris.sparc32	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/config.h.solaris.sparc32	(revision 85671)
@@ -0,0 +1,953 @@
+/* lib/config.h.  Generated from config.h.in by configure.  */
+/* lib/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if you have the $func function. */
+/* #undef AS_TR_CPP */
+
+/* when building libcurl itself */
+/* #undef BUILDING_LIBCURL */
+
+/* Location of default ca bundle */
+/* #undef CURL_CA_BUNDLE */
+
+/* Location of default ca path */
+/* #undef CURL_CA_PATH */
+
+/* to disable cookies support */
+/* #undef CURL_DISABLE_COOKIES */
+
+/* to disable cryptographic authentication */
+/* #undef CURL_DISABLE_CRYPTO_AUTH */
+
+/* to disable DICT */
+/* #undef CURL_DISABLE_DICT */
+
+/* to disable FILE */
+/* #undef CURL_DISABLE_FILE */
+
+/* to disable FTP */
+/* #undef CURL_DISABLE_FTP */
+
+/* to disable HTTP */
+/* #undef CURL_DISABLE_HTTP */
+
+/* to disable LDAP */
+#define CURL_DISABLE_LDAP 1
+
+/* to disable LDAPS */
+#define CURL_DISABLE_LDAPS 1
+
+/* to disable proxies */
+/* #undef CURL_DISABLE_PROXY */
+
+/* to disable TELNET */
+/* #undef CURL_DISABLE_TELNET */
+
+/* to disable TFTP */
+/* #undef CURL_DISABLE_TFTP */
+
+/* to disable verbose strings */
+/* #undef CURL_DISABLE_VERBOSE_STRINGS */
+
+/* to make a symbol visible */
+/* #undef CURL_EXTERN_SYMBOL */
+
+/* to enable hidden symbols */
+/* #undef CURL_HIDDEN_SYMBOLS */
+
+/* W$ LDAP with non-W$ compiler */
+/* #undef CURL_LDAP_HYBRID */
+
+/* Use W$ LDAP implementation */
+/* #undef CURL_LDAP_WIN */
+
+/* when not building a shared library */
+/* #undef CURL_STATICLIB */
+
+/* Set to explicitly specify we don't want to use thread-safe functions */
+/* #undef DISABLED_THREADSAFE */
+
+/* your Entropy Gathering Daemon socket pathname */
+/* #undef EGD_SOCKET */
+
+/* Define if you want to enable IPv6 support */
+#define ENABLE_IPV6 1
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 size_t
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 int
+
+/* Specifies the number of arguments to getservbyport_r */
+#define GETSERVBYPORT_R_ARGS 5
+
+/* Specifies the size of the buffer to pass to getservbyport_r */
+#define GETSERVBYPORT_R_BUFSIZE 4096
+
+/* Define to 1 if you have the alarm function. */
+#define HAVE_ALARM 1
+
+/* Define to 1 if you have the <alloca.h> header file. */
+#define HAVE_ALLOCA_H 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <arpa/tftp.h> header file. */
+#define HAVE_ARPA_TFTP_H 1
+
+/* Define to 1 if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the `basename' function. */
+#define HAVE_BASENAME 1
+
+/* Define to 1 if bool is an available type. */
+/* #undef HAVE_BOOL_T */
+
+/* Define to 1 if you have the clock_gettime function and monotonic timer. */
+#define HAVE_CLOCK_GETTIME_MONOTONIC 1
+
+/* Define to 1 if you have the `closesocket' function. */
+/* #undef HAVE_CLOSESOCKET */
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function. */
+/* #undef HAVE_CRYPTO_CLEANUP_ALL_EX_DATA */
+
+/* Define to 1 if you have the <crypto.h> header file. */
+/* #undef HAVE_CRYPTO_H */
+
+/* Define to 1 if you have the <des.h> header file. */
+/* #undef HAVE_DES_H */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the `ENGINE_load_builtin_engines' function. */
+/* #undef HAVE_ENGINE_LOAD_BUILTIN_ENGINES */
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the <err.h> header file. */
+/* #undef HAVE_ERR_H */
+
+/* Define to 1 if you have the fcntl function. */
+#define HAVE_FCNTL 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have a working fcntl O_NONBLOCK function. */
+#define HAVE_FCNTL_O_NONBLOCK 1
+
+/* Define to 1 if you have the fdopen function. */
+#define HAVE_FDOPEN 1
+
+/* Define to 1 if you have the `fork' function. */
+#define HAVE_FORK 1
+
+/* Define to 1 if you have the freeaddrinfo function. */
+#define HAVE_FREEADDRINFO 1
+
+/* Define to 1 if you have the freeifaddrs function. */
+/* #undef HAVE_FREEIFADDRS */
+
+/* Define to 1 if you have the ftruncate function. */
+#define HAVE_FTRUNCATE 1
+
+/* Define to 1 if you have a working getaddrinfo function. */
+#define HAVE_GETADDRINFO 1
+
+/* Define to 1 if you have the `geteuid' function. */
+#define HAVE_GETEUID 1
+
+/* Define to 1 if you have the gethostbyaddr function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* Define to 1 if you have the gethostbyaddr_r function. */
+#define HAVE_GETHOSTBYADDR_R 1
+
+/* gethostbyaddr_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYADDR_R_5 */
+
+/* gethostbyaddr_r() takes 7 args */
+#define HAVE_GETHOSTBYADDR_R_7 1
+
+/* gethostbyaddr_r() takes 8 args */
+/* #undef HAVE_GETHOSTBYADDR_R_8 */
+
+/* Define to 1 if you have the gethostbyname function. */
+#define HAVE_GETHOSTBYNAME 1
+
+/* Define to 1 if you have the gethostbyname_r function. */
+#define HAVE_GETHOSTBYNAME_R 1
+
+/* gethostbyname_r() takes 3 args */
+/* #undef HAVE_GETHOSTBYNAME_R_3 */
+
+/* gethostbyname_r() takes 5 args */
+#define HAVE_GETHOSTBYNAME_R_5 1
+
+/* gethostbyname_r() takes 6 args */
+/* #undef HAVE_GETHOSTBYNAME_R_6 */
+
+/* Define to 1 if you have the gethostname function. */
+#define HAVE_GETHOSTNAME 1
+
+/* Define to 1 if you have a working getifaddrs function. */
+/* #undef HAVE_GETIFADDRS */
+
+/* Define to 1 if you have the getnameinfo function. */
+#define HAVE_GETNAMEINFO 1
+
+/* Define to 1 if you have the `getpass_r' function. */
+/* #undef HAVE_GETPASS_R */
+
+/* Define to 1 if you have the `getppid' function. */
+#define HAVE_GETPPID 1
+
+/* Define to 1 if you have the `getprotobyname' function. */
+#define HAVE_GETPROTOBYNAME 1
+
+/* Define to 1 if you have the `getpwuid' function. */
+#define HAVE_GETPWUID 1
+
+/* Define to 1 if you have the `getrlimit' function. */
+#define HAVE_GETRLIMIT 1
+
+/* Define to 1 if you have the getservbyport_r function. */
+#define HAVE_GETSERVBYPORT_R 1
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY 1
+
+/* Define to 1 if you have a working glibc-style strerror_r function. */
+/* #undef HAVE_GLIBC_STRERROR_R */
+
+/* Define to 1 if you have a working gmtime_r function. */
+#define HAVE_GMTIME_R 1
+
+/* if you have the gssapi libraries */
+/* #undef HAVE_GSSAPI */
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_GENERIC_H */
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_H */
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_KRB5_H */
+
+/* if you have the GNU gssapi libraries */
+/* #undef HAVE_GSSGNU */
+
+/* if you have the Heimdal gssapi libraries */
+/* #undef HAVE_GSSHEIMDAL */
+
+/* if you have the MIT gssapi libraries */
+/* #undef HAVE_GSSMIT */
+
+/* Define to 1 if you have the `idna_strerror' function. */
+/* #undef HAVE_IDNA_STRERROR */
+
+/* Define to 1 if you have the `idn_free' function. */
+/* #undef HAVE_IDN_FREE */
+
+/* Define to 1 if you have the <idn-free.h> header file. */
+/* #undef HAVE_IDN_FREE_H */
+
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+/* #undef HAVE_IFADDRS_H */
+
+/* Define to 1 if you have the `inet_addr' function. */
+#define HAVE_INET_ADDR 1
+
+/* Define to 1 if you have the inet_ntoa_r function. */
+/* #undef HAVE_INET_NTOA_R */
+
+/* inet_ntoa_r() takes 2 args */
+/* #undef HAVE_INET_NTOA_R_2 */
+
+/* inet_ntoa_r() takes 3 args */
+/* #undef HAVE_INET_NTOA_R_3 */
+
+/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
+#define HAVE_INET_NTOP 1
+
+/* Define to 1 if you have a IPv6 capable working inet_pton function. */
+#define HAVE_INET_PTON 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the ioctl function. */
+#define HAVE_IOCTL 1
+
+/* Define to 1 if you have the ioctlsocket function. */
+/* #undef HAVE_IOCTLSOCKET */
+
+/* Define to 1 if you have the IoctlSocket camel case function. */
+/* #undef HAVE_IOCTLSOCKET_CAMEL */
+
+/* Define to 1 if you have a working IoctlSocket camel case FIONBIO function.
+   */
+/* #undef HAVE_IOCTLSOCKET_CAMEL_FIONBIO */
+
+/* Define to 1 if you have a working ioctlsocket FIONBIO function. */
+/* #undef HAVE_IOCTLSOCKET_FIONBIO */
+
+/* Define to 1 if you have a working ioctl FIONBIO function. */
+/* #undef HAVE_IOCTL_FIONBIO */
+
+/* Define to 1 if you have a working ioctl SIOCGIFADDR function. */
+/* #undef HAVE_IOCTL_SIOCGIFADDR */
+
+/* Define to 1 if you have the <io.h> header file. */
+/* #undef HAVE_IO_H */
+
+/* if you have the Kerberos4 libraries (including -ldes) */
+/* #undef HAVE_KRB4 */
+
+/* Define to 1 if you have the `krb_get_our_ip_for_realm' function. */
+/* #undef HAVE_KRB_GET_OUR_IP_FOR_REALM */
+
+/* Define to 1 if you have the <krb.h> header file. */
+/* #undef HAVE_KRB_H */
+
+/* Define to 1 if you have the lber.h header file. */
+/* #undef HAVE_LBER_H */
+
+/* Define to 1 if you have the ldapssl.h header file. */
+/* #undef HAVE_LDAPSSL_H */
+
+/* Define to 1 if you have the ldap.h header file. */
+/* #undef HAVE_LDAP_H */
+
+/* Use LDAPS implementation */
+/* #undef HAVE_LDAP_SSL */
+
+/* Define to 1 if you have the ldap_ssl.h header file. */
+/* #undef HAVE_LDAP_SSL_H */
+
+/* Define to 1 if you have the `ldap_url_parse' function. */
+/* #undef HAVE_LDAP_URL_PARSE */
+
+/* Define to 1 if you have the <libgen.h> header file. */
+#define HAVE_LIBGEN_H 1
+
+/* Define to 1 if you have the `idn' library (-lidn). */
+/* #undef HAVE_LIBIDN */
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+/* #undef HAVE_LIBRESOLV */
+
+/* Define to 1 if you have the `resolve' library (-lresolve). */
+/* #undef HAVE_LIBRESOLVE */
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+#define HAVE_LIBSOCKET 1
+
+/* Define to 1 if you have the `ssh2' library (-lssh2). */
+/* #undef HAVE_LIBSSH2 */
+
+/* Define to 1 if you have the <libssh2.h> header file. */
+/* #undef HAVE_LIBSSH2_H */
+
+/* Define to 1 if you have the `ssl' library (-lssl). */
+/* #undef HAVE_LIBSSL */
+
+/* if zlib is available */
+#define HAVE_LIBZ 1
+
+/* Define to 1 if you have the <limits.h> header file. */
+#define HAVE_LIMITS_H 1
+
+/* if your compiler supports LL */
+#define HAVE_LL 1
+
+/* Define to 1 if you have the <locale.h> header file. */
+#define HAVE_LOCALE_H 1
+
+/* Define to 1 if you have a working localtime_r function. */
+#define HAVE_LOCALTIME_R 1
+
+/* Define to 1 if the compiler supports the 'long long' data type. */
+#define HAVE_LONGLONG 1
+
+/* Define to 1 if you have the malloc.h header file. */
+#define HAVE_MALLOC_H 1
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the MSG_NOSIGNAL flag. */
+/* #undef HAVE_MSG_NOSIGNAL */
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#define HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#define HAVE_NETINET_TCP_H 1
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H 1
+
+/* Define to 1 if NI_WITHSCOPEID exists and works. */
+/* #undef HAVE_NI_WITHSCOPEID */
+
+/* if you have an old MIT gssapi library, lacking GSS_C_NT_HOSTBASED_SERVICE
+   */
+/* #undef HAVE_OLD_GSSMIT */
+
+/* Define to 1 if you have the <openssl/crypto.h> header file. */
+/* #undef HAVE_OPENSSL_CRYPTO_H */
+
+/* Define to 1 if you have the <openssl/engine.h> header file. */
+/* #undef HAVE_OPENSSL_ENGINE_H */
+
+/* Define to 1 if you have the <openssl/err.h> header file. */
+/* #undef HAVE_OPENSSL_ERR_H */
+
+/* Define to 1 if you have the <openssl/pem.h> header file. */
+/* #undef HAVE_OPENSSL_PEM_H */
+
+/* Define to 1 if you have the <openssl/pkcs12.h> header file. */
+/* #undef HAVE_OPENSSL_PKCS12_H */
+
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+/* #undef HAVE_OPENSSL_RSA_H */
+
+/* Define to 1 if you have the <openssl/ssl.h> header file. */
+/* #undef HAVE_OPENSSL_SSL_H */
+
+/* Define to 1 if you have the <openssl/x509.h> header file. */
+/* #undef HAVE_OPENSSL_X509_H */
+
+/* Define to 1 if you have the <pem.h> header file. */
+/* #undef HAVE_PEM_H */
+
+/* Define to 1 if you have the `perror' function. */
+#define HAVE_PERROR 1
+
+/* Define to 1 if you have the `pipe' function. */
+#define HAVE_PIPE 1
+
+/* if you have the function PK11_CreateGenericObject */
+/* #undef HAVE_PK11_CREATEGENERICOBJECT */
+
+/* Define to 1 if you have a working poll function. */
+#define HAVE_POLL 1
+
+/* If you have a fine poll */
+#define HAVE_POLL_FINE 1
+
+/* Define to 1 if you have the <poll.h> header file. */
+#define HAVE_POLL_H 1
+
+/* Define to 1 if you have a working POSIX-style strerror_r function. */
+#define HAVE_POSIX_STRERROR_R 1
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#define HAVE_PWD_H 1
+
+/* Define to 1 if you have the `RAND_egd' function. */
+/* #undef HAVE_RAND_EGD */
+
+/* Define to 1 if you have the `RAND_screen' function. */
+/* #undef HAVE_RAND_SCREEN */
+
+/* Define to 1 if you have the `RAND_status' function. */
+/* #undef HAVE_RAND_STATUS */
+
+/* Define to 1 if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to 1 if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to 1 if you have the <rsa.h> header file. */
+/* #undef HAVE_RSA_H */
+
+/* Define to 1 if you have the select function. */
+#define HAVE_SELECT 1
+
+/* Define to 1 if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#define HAVE_SETJMP_H 1
+
+/* Define to 1 if you have the `setlocale' function. */
+#define HAVE_SETLOCALE 1
+
+/* Define to 1 if you have the `setmode' function. */
+/* #undef HAVE_SETMODE */
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define HAVE_SETRLIMIT 1
+
+/* Define to 1 if you have the setsockopt function. */
+#define HAVE_SETSOCKOPT 1
+
+/* Define to 1 if you have a working setsockopt SO_NONBLOCK function. */
+/* #undef HAVE_SETSOCKOPT_SO_NONBLOCK */
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+#define HAVE_SGTTY_H 1
+
+/* Define to 1 if you have the sigaction function. */
+#define HAVE_SIGACTION 1
+
+/* Define to 1 if you have the siginterrupt function. */
+#define HAVE_SIGINTERRUPT 1
+
+/* Define to 1 if you have the signal function. */
+#define HAVE_SIGNAL 1
+
+/* Define to 1 if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define to 1 if you have the sigsetjmp function or macro. */
+#define HAVE_SIGSETJMP 1
+
+/* Define to 1 if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define to 1 if sig_atomic_t is already defined as volatile. */
+/* #undef HAVE_SIG_ATOMIC_T_VOLATILE */
+
+/* Define to 1 if struct sockaddr_in6 has the sin6_scope_id member */
+#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define this if you have the SPNEGO library fbopenssl */
+/* #undef HAVE_SPNEGO */
+
+/* Define to 1 if you have the `SSL_get_shutdown' function. */
+/* #undef HAVE_SSL_GET_SHUTDOWN */
+
+/* Define to 1 if you have the <ssl.h> header file. */
+/* #undef HAVE_SSL_H */
+
+/* Define to 1 if you have the <stdbool.h> header file. */
+/* #undef HAVE_STDBOOL_H */
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the strcasecmp function. */
+#define HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the strcasestr function. */
+/* #undef HAVE_STRCASESTR */
+
+/* Define to 1 if you have the strcmpi function. */
+/* #undef HAVE_STRCMPI */
+
+/* Define to 1 if you have the strdup function. */
+#define HAVE_STRDUP 1
+
+/* Define to 1 if you have the strerror_r function. */
+#define HAVE_STRERROR_R 1
+
+/* Define to 1 if you have the stricmp function. */
+/* #undef HAVE_STRICMP */
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the strlcat function. */
+#define HAVE_STRLCAT 1
+
+/* Define to 1 if you have the `strlcpy' function. */
+/* #undef HAVE_STRLCPY */
+
+/* Define to 1 if you have the strncasecmp function. */
+#define HAVE_STRNCASECMP 1
+
+/* Define to 1 if you have the strncmpi function. */
+/* #undef HAVE_STRNCMPI */
+
+/* Define to 1 if you have the strnicmp function. */
+/* #undef HAVE_STRNICMP */
+
+/* Define to 1 if you have the <stropts.h> header file. */
+#define HAVE_STROPTS_H 1
+
+/* Define to 1 if you have the strstr function. */
+#define HAVE_STRSTR 1
+
+/* Define to 1 if you have the strtok_r function. */
+#define HAVE_STRTOK_R 1
+
+/* Define to 1 if you have the strtoll function. */
+#define HAVE_STRTOLL 1
+
+/* if struct sockaddr_storage is defined */
+#define HAVE_STRUCT_SOCKADDR_STORAGE 1
+
+/* Define to 1 if you have the timeval struct. */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* Define to 1 if you have the <sys/filio.h> header file. */
+#define HAVE_SYS_FILIO_H 1
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#define HAVE_SYS_PARAM_H 1
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+#define HAVE_SYS_POLL_H 1
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define HAVE_SYS_RESOURCE_H 1
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#define HAVE_SYS_SELECT_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+#define HAVE_SYS_SOCKIO_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#define HAVE_SYS_UIO_H 1
+
+/* Define to 1 if you have the <sys/un.h> header file. */
+#define HAVE_SYS_UN_H 1
+
+/* Define to 1 if you have the <sys/utime.h> header file. */
+#define HAVE_SYS_UTIME_H 1
+
+/* Define to 1 if you have the <termios.h> header file. */
+#define HAVE_TERMIOS_H 1
+
+/* Define to 1 if you have the <termio.h> header file. */
+#define HAVE_TERMIO_H 1
+
+/* Define to 1 if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define to 1 if you have the <tld.h> header file. */
+/* #undef HAVE_TLD_H */
+
+/* Define to 1 if you have the `tld_strerror' function. */
+/* #undef HAVE_TLD_STRERROR */
+
+/* Define to 1 if you have the `uname' function. */
+#define HAVE_UNAME 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `utime' function. */
+#define HAVE_UTIME 1
+
+/* Define to 1 if you have the <utime.h> header file. */
+#define HAVE_UTIME_H 1
+
+/* Define to 1 if compiler supports C99 variadic macro style. */
+#define HAVE_VARIADIC_MACROS_C99 1
+
+/* Define to 1 if compiler supports old gcc variadic macro style. */
+#define HAVE_VARIADIC_MACROS_GCC 1
+
+/* Define to 1 if you have the winber.h header file. */
+/* #undef HAVE_WINBER_H */
+
+/* Define to 1 if you have the windows.h header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* Define to 1 if you have the winldap.h header file. */
+/* #undef HAVE_WINLDAP_H */
+
+/* Define to 1 if you have the winsock2.h header file. */
+/* #undef HAVE_WINSOCK2_H */
+
+/* Define to 1 if you have the winsock.h header file. */
+/* #undef HAVE_WINSOCK_H */
+
+/* Define this symbol if your OS supports changing the contents of argv */
+#define HAVE_WRITABLE_ARGV 1
+
+/* Define to 1 if you have the writev function. */
+#define HAVE_WRITEV 1
+
+/* Define to 1 if you have the ws2tcpip.h header file. */
+/* #undef HAVE_WS2TCPIP_H */
+
+/* Define to 1 if you have the <x509.h> header file. */
+/* #undef HAVE_X509_H */
+
+/* if you have the zlib.h header file */
+#define HAVE_ZLIB_H 1
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#define LT_OBJDIR ".libs/"
+
+/* Define to 1 if you are building a native Windows target. */
+/* #undef NATIVE_WINDOWS */
+
+/* If you lack a fine basename() prototype */
+/* #undef NEED_BASENAME_PROTO */
+
+/* Define to 1 if you need the lber.h header file even with ldap.h */
+/* #undef NEED_LBER_H */
+
+/* Define to 1 if you need the malloc.h header file even with stdlib.h */
+/* #undef NEED_MALLOC_H */
+
+/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
+#define NEED_REENTRANT 1
+
+/* cpu-machine-OS */
+#define OS "i386-pc-solaris2.10"
+
+/* Name of package */
+#define PACKAGE "curl"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "a suitable curl mailing list => http://curl.haxx.se/mail/"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "curl"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "curl -"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "curl"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "-"
+
+/* a suitable file to read random data from */
+/* #undef RANDOM_FILE */
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 int
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 void
+
+/* Define to 1 if the type pointed by arg 2 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG2_IS_VOID 1
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to 1 if the type pointed by arg 5 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG5_IS_VOID */
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 void
+
+/* Define to 1 if the type pointed by arg 6 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG6_IS_VOID 1
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV int
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV int
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* Define to the type qualifier of arg 5 for select. */
+#define SELECT_QUAL_ARG5 
+
+/* Define to the type of arg 1 for select. */
+#define SELECT_TYPE_ARG1 int
+
+/* Define to the type of args 2, 3 and 4 for select. */
+#define SELECT_TYPE_ARG234 fd_set *
+
+/* Define to the type of arg 5 for select. */
+#define SELECT_TYPE_ARG5 struct timeval *
+
+/* Define to the function return type for select. */
+#define SELECT_TYPE_RETV int
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV int
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 4
+
+/* The size of `off_t', as computed by sizeof. */
+#define SIZEOF_OFF_T 8
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 4
+
+/* The size of `time_t', as computed by sizeof. */
+#define SIZEOF_TIME_T 4
+
+/* The size of `void*', as computed by sizeof. */
+#define SIZEOF_VOIDP 4
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define to the type of arg 3 for strerror_r. */
+#define STRERROR_R_TYPE_ARG3 size_t
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* Define if you want to enable c-ares support */
+/* #undef USE_ARES */
+
+/* Define to disable non-blocking sockets. */
+/* #undef USE_BLOCKING_SOCKETS */
+
+/* if GnuTLS is enabled */
+/* #undef USE_GNUTLS */
+
+/* if libSSH2 is in use */
+/* #undef USE_LIBSSH2 */
+
+/* If you want to build curl with the built-in manual */
+/* #undef USE_MANUAL */
+
+/* if NSS is enabled */
+/* #undef USE_NSS */
+
+/* if OpenSSL is in use */
+/* #undef USE_OPENSSL */
+
+/* if SSL is enabled */
+/* #undef USE_SSLEAY */
+
+/* Define to 1 if you are building a Windows target without large file
+   support. */
+/* #undef USE_WIN32_LARGE_FILES */
+
+/* to enable SSPI support */
+/* #undef USE_WINDOWS_SSPI */
+
+/* Define to 1 if using yaSSL in OpenSSL compatibility mode. */
+/* #undef USE_YASSLEMUL */
+
+/* Version number of package */
+#define VERSION "7.19.4"
+
+/* Define to avoid automatic inclusion of winsock.h */
+/* #undef WIN32_LEAN_AND_MEAN */
+
+/* Define to 1 if OS is AIX. */
+#ifndef _ALL_SOURCE
+/* #  undef _ALL_SOURCE */
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#define _FILE_OFFSET_BITS 64
+
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* define this if you need it to compile thread-safe code */
+/* #undef _THREAD_SAFE */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Type to use in place of in_addr_t when system does not provide it. */
+/* #undef in_addr_t */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+/* #undef inline */
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+/* Type to use in place of socklen_t when system does not provide it. */
+/* #undef socklen_t */
+
+/* the signed version of size_t */
+/* #undef ssize_t */
+
+/* The size of `curl_off_t', as computed by sizeof. */
+#define SIZEOF_CURL_OFF_T 8
Index: trunk/src/libs/curl-7.64.0/config.h.solaris.sparc64
===================================================================
--- trunk/src/libs/curl-7.64.0/config.h.solaris.sparc64	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/config.h.solaris.sparc64	(revision 85671)
@@ -0,0 +1,953 @@
+/* lib/config.h.  Generated from config.h.in by configure.  */
+/* lib/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if you have the $func function. */
+/* #undef AS_TR_CPP */
+
+/* when building libcurl itself */
+/* #undef BUILDING_LIBCURL */
+
+/* Location of default ca bundle */
+/* #undef CURL_CA_BUNDLE */
+
+/* Location of default ca path */
+/* #undef CURL_CA_PATH */
+
+/* to disable cookies support */
+/* #undef CURL_DISABLE_COOKIES */
+
+/* to disable cryptographic authentication */
+/* #undef CURL_DISABLE_CRYPTO_AUTH */
+
+/* to disable DICT */
+/* #undef CURL_DISABLE_DICT */
+
+/* to disable FILE */
+/* #undef CURL_DISABLE_FILE */
+
+/* to disable FTP */
+/* #undef CURL_DISABLE_FTP */
+
+/* to disable HTTP */
+/* #undef CURL_DISABLE_HTTP */
+
+/* to disable LDAP */
+#define CURL_DISABLE_LDAP 1
+
+/* to disable LDAPS */
+#define CURL_DISABLE_LDAPS 1
+
+/* to disable proxies */
+/* #undef CURL_DISABLE_PROXY */
+
+/* to disable TELNET */
+/* #undef CURL_DISABLE_TELNET */
+
+/* to disable TFTP */
+/* #undef CURL_DISABLE_TFTP */
+
+/* to disable verbose strings */
+/* #undef CURL_DISABLE_VERBOSE_STRINGS */
+
+/* to make a symbol visible */
+/* #undef CURL_EXTERN_SYMBOL */
+
+/* to enable hidden symbols */
+/* #undef CURL_HIDDEN_SYMBOLS */
+
+/* W$ LDAP with non-W$ compiler */
+/* #undef CURL_LDAP_HYBRID */
+
+/* Use W$ LDAP implementation */
+/* #undef CURL_LDAP_WIN */
+
+/* when not building a shared library */
+/* #undef CURL_STATICLIB */
+
+/* Set to explicitly specify we don't want to use thread-safe functions */
+/* #undef DISABLED_THREADSAFE */
+
+/* your Entropy Gathering Daemon socket pathname */
+/* #undef EGD_SOCKET */
+
+/* Define if you want to enable IPv6 support */
+#define ENABLE_IPV6 1
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 socklen_t
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 int
+
+/* Specifies the number of arguments to getservbyport_r */
+#define GETSERVBYPORT_R_ARGS 5
+
+/* Specifies the size of the buffer to pass to getservbyport_r */
+#define GETSERVBYPORT_R_BUFSIZE 4096
+
+/* Define to 1 if you have the alarm function. */
+#define HAVE_ALARM 1
+
+/* Define to 1 if you have the <alloca.h> header file. */
+#define HAVE_ALLOCA_H 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <arpa/tftp.h> header file. */
+#define HAVE_ARPA_TFTP_H 1
+
+/* Define to 1 if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the `basename' function. */
+#define HAVE_BASENAME 1
+
+/* Define to 1 if bool is an available type. */
+/* #undef HAVE_BOOL_T */
+
+/* Define to 1 if you have the clock_gettime function and monotonic timer. */
+#define HAVE_CLOCK_GETTIME_MONOTONIC 1
+
+/* Define to 1 if you have the `closesocket' function. */
+/* #undef HAVE_CLOSESOCKET */
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function. */
+/* #undef HAVE_CRYPTO_CLEANUP_ALL_EX_DATA */
+
+/* Define to 1 if you have the <crypto.h> header file. */
+/* #undef HAVE_CRYPTO_H */
+
+/* Define to 1 if you have the <des.h> header file. */
+/* #undef HAVE_DES_H */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the `ENGINE_load_builtin_engines' function. */
+/* #undef HAVE_ENGINE_LOAD_BUILTIN_ENGINES */
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the <err.h> header file. */
+/* #undef HAVE_ERR_H */
+
+/* Define to 1 if you have the fcntl function. */
+#define HAVE_FCNTL 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have a working fcntl O_NONBLOCK function. */
+#define HAVE_FCNTL_O_NONBLOCK 1
+
+/* Define to 1 if you have the fdopen function. */
+#define HAVE_FDOPEN 1
+
+/* Define to 1 if you have the `fork' function. */
+#define HAVE_FORK 1
+
+/* Define to 1 if you have the freeaddrinfo function. */
+#define HAVE_FREEADDRINFO 1
+
+/* Define to 1 if you have the freeifaddrs function. */
+/* #undef HAVE_FREEIFADDRS */
+
+/* Define to 1 if you have the ftruncate function. */
+#define HAVE_FTRUNCATE 1
+
+/* Define to 1 if you have a working getaddrinfo function. */
+#define HAVE_GETADDRINFO 1
+
+/* Define to 1 if you have the `geteuid' function. */
+#define HAVE_GETEUID 1
+
+/* Define to 1 if you have the gethostbyaddr function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* Define to 1 if you have the gethostbyaddr_r function. */
+#define HAVE_GETHOSTBYADDR_R 1
+
+/* gethostbyaddr_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYADDR_R_5 */
+
+/* gethostbyaddr_r() takes 7 args */
+#define HAVE_GETHOSTBYADDR_R_7 1
+
+/* gethostbyaddr_r() takes 8 args */
+/* #undef HAVE_GETHOSTBYADDR_R_8 */
+
+/* Define to 1 if you have the gethostbyname function. */
+#define HAVE_GETHOSTBYNAME 1
+
+/* Define to 1 if you have the gethostbyname_r function. */
+#define HAVE_GETHOSTBYNAME_R 1
+
+/* gethostbyname_r() takes 3 args */
+/* #undef HAVE_GETHOSTBYNAME_R_3 */
+
+/* gethostbyname_r() takes 5 args */
+#define HAVE_GETHOSTBYNAME_R_5 1
+
+/* gethostbyname_r() takes 6 args */
+/* #undef HAVE_GETHOSTBYNAME_R_6 */
+
+/* Define to 1 if you have the gethostname function. */
+#define HAVE_GETHOSTNAME 1
+
+/* Define to 1 if you have a working getifaddrs function. */
+/* #undef HAVE_GETIFADDRS */
+
+/* Define to 1 if you have the getnameinfo function. */
+#define HAVE_GETNAMEINFO 1
+
+/* Define to 1 if you have the `getpass_r' function. */
+/* #undef HAVE_GETPASS_R */
+
+/* Define to 1 if you have the `getppid' function. */
+#define HAVE_GETPPID 1
+
+/* Define to 1 if you have the `getprotobyname' function. */
+#define HAVE_GETPROTOBYNAME 1
+
+/* Define to 1 if you have the `getpwuid' function. */
+#define HAVE_GETPWUID 1
+
+/* Define to 1 if you have the `getrlimit' function. */
+#define HAVE_GETRLIMIT 1
+
+/* Define to 1 if you have the getservbyport_r function. */
+#define HAVE_GETSERVBYPORT_R 1
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY 1
+
+/* Define to 1 if you have a working glibc-style strerror_r function. */
+/* #undef HAVE_GLIBC_STRERROR_R */
+
+/* Define to 1 if you have a working gmtime_r function. */
+#define HAVE_GMTIME_R 1
+
+/* if you have the gssapi libraries */
+/* #undef HAVE_GSSAPI */
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_GENERIC_H */
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_H */
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_KRB5_H */
+
+/* if you have the GNU gssapi libraries */
+/* #undef HAVE_GSSGNU */
+
+/* if you have the Heimdal gssapi libraries */
+/* #undef HAVE_GSSHEIMDAL */
+
+/* if you have the MIT gssapi libraries */
+/* #undef HAVE_GSSMIT */
+
+/* Define to 1 if you have the `idna_strerror' function. */
+/* #undef HAVE_IDNA_STRERROR */
+
+/* Define to 1 if you have the `idn_free' function. */
+/* #undef HAVE_IDN_FREE */
+
+/* Define to 1 if you have the <idn-free.h> header file. */
+/* #undef HAVE_IDN_FREE_H */
+
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+/* #undef HAVE_IFADDRS_H */
+
+/* Define to 1 if you have the `inet_addr' function. */
+#define HAVE_INET_ADDR 1
+
+/* Define to 1 if you have the inet_ntoa_r function. */
+/* #undef HAVE_INET_NTOA_R */
+
+/* inet_ntoa_r() takes 2 args */
+/* #undef HAVE_INET_NTOA_R_2 */
+
+/* inet_ntoa_r() takes 3 args */
+/* #undef HAVE_INET_NTOA_R_3 */
+
+/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
+#define HAVE_INET_NTOP 1
+
+/* Define to 1 if you have a IPv6 capable working inet_pton function. */
+#define HAVE_INET_PTON 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the ioctl function. */
+#define HAVE_IOCTL 1
+
+/* Define to 1 if you have the ioctlsocket function. */
+/* #undef HAVE_IOCTLSOCKET */
+
+/* Define to 1 if you have the IoctlSocket camel case function. */
+/* #undef HAVE_IOCTLSOCKET_CAMEL */
+
+/* Define to 1 if you have a working IoctlSocket camel case FIONBIO function.
+   */
+/* #undef HAVE_IOCTLSOCKET_CAMEL_FIONBIO */
+
+/* Define to 1 if you have a working ioctlsocket FIONBIO function. */
+/* #undef HAVE_IOCTLSOCKET_FIONBIO */
+
+/* Define to 1 if you have a working ioctl FIONBIO function. */
+/* #undef HAVE_IOCTL_FIONBIO */
+
+/* Define to 1 if you have a working ioctl SIOCGIFADDR function. */
+/* #undef HAVE_IOCTL_SIOCGIFADDR */
+
+/* Define to 1 if you have the <io.h> header file. */
+/* #undef HAVE_IO_H */
+
+/* if you have the Kerberos4 libraries (including -ldes) */
+/* #undef HAVE_KRB4 */
+
+/* Define to 1 if you have the `krb_get_our_ip_for_realm' function. */
+/* #undef HAVE_KRB_GET_OUR_IP_FOR_REALM */
+
+/* Define to 1 if you have the <krb.h> header file. */
+/* #undef HAVE_KRB_H */
+
+/* Define to 1 if you have the lber.h header file. */
+/* #undef HAVE_LBER_H */
+
+/* Define to 1 if you have the ldapssl.h header file. */
+/* #undef HAVE_LDAPSSL_H */
+
+/* Define to 1 if you have the ldap.h header file. */
+/* #undef HAVE_LDAP_H */
+
+/* Use LDAPS implementation */
+/* #undef HAVE_LDAP_SSL */
+
+/* Define to 1 if you have the ldap_ssl.h header file. */
+/* #undef HAVE_LDAP_SSL_H */
+
+/* Define to 1 if you have the `ldap_url_parse' function. */
+/* #undef HAVE_LDAP_URL_PARSE */
+
+/* Define to 1 if you have the <libgen.h> header file. */
+#define HAVE_LIBGEN_H 1
+
+/* Define to 1 if you have the `idn' library (-lidn). */
+/* #undef HAVE_LIBIDN */
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+/* #undef HAVE_LIBRESOLV */
+
+/* Define to 1 if you have the `resolve' library (-lresolve). */
+/* #undef HAVE_LIBRESOLVE */
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+#define HAVE_LIBSOCKET 1
+
+/* Define to 1 if you have the `ssh2' library (-lssh2). */
+/* #undef HAVE_LIBSSH2 */
+
+/* Define to 1 if you have the <libssh2.h> header file. */
+/* #undef HAVE_LIBSSH2_H */
+
+/* Define to 1 if you have the `ssl' library (-lssl). */
+/* #undef HAVE_LIBSSL */
+
+/* if zlib is available */
+#define HAVE_LIBZ 1
+
+/* Define to 1 if you have the <limits.h> header file. */
+#define HAVE_LIMITS_H 1
+
+/* if your compiler supports LL */
+#define HAVE_LL 1
+
+/* Define to 1 if you have the <locale.h> header file. */
+#define HAVE_LOCALE_H 1
+
+/* Define to 1 if you have a working localtime_r function. */
+#define HAVE_LOCALTIME_R 1
+
+/* Define to 1 if the compiler supports the 'long long' data type. */
+#define HAVE_LONGLONG 1
+
+/* Define to 1 if you have the malloc.h header file. */
+#define HAVE_MALLOC_H 1
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the MSG_NOSIGNAL flag. */
+/* #undef HAVE_MSG_NOSIGNAL */
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#define HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#define HAVE_NETINET_TCP_H 1
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H 1
+
+/* Define to 1 if NI_WITHSCOPEID exists and works. */
+/* #undef HAVE_NI_WITHSCOPEID */
+
+/* if you have an old MIT gssapi library, lacking GSS_C_NT_HOSTBASED_SERVICE
+   */
+/* #undef HAVE_OLD_GSSMIT */
+
+/* Define to 1 if you have the <openssl/crypto.h> header file. */
+/* #undef HAVE_OPENSSL_CRYPTO_H */
+
+/* Define to 1 if you have the <openssl/engine.h> header file. */
+/* #undef HAVE_OPENSSL_ENGINE_H */
+
+/* Define to 1 if you have the <openssl/err.h> header file. */
+/* #undef HAVE_OPENSSL_ERR_H */
+
+/* Define to 1 if you have the <openssl/pem.h> header file. */
+/* #undef HAVE_OPENSSL_PEM_H */
+
+/* Define to 1 if you have the <openssl/pkcs12.h> header file. */
+/* #undef HAVE_OPENSSL_PKCS12_H */
+
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+/* #undef HAVE_OPENSSL_RSA_H */
+
+/* Define to 1 if you have the <openssl/ssl.h> header file. */
+/* #undef HAVE_OPENSSL_SSL_H */
+
+/* Define to 1 if you have the <openssl/x509.h> header file. */
+/* #undef HAVE_OPENSSL_X509_H */
+
+/* Define to 1 if you have the <pem.h> header file. */
+/* #undef HAVE_PEM_H */
+
+/* Define to 1 if you have the `perror' function. */
+#define HAVE_PERROR 1
+
+/* Define to 1 if you have the `pipe' function. */
+#define HAVE_PIPE 1
+
+/* if you have the function PK11_CreateGenericObject */
+/* #undef HAVE_PK11_CREATEGENERICOBJECT */
+
+/* Define to 1 if you have a working poll function. */
+#define HAVE_POLL 1
+
+/* If you have a fine poll */
+#define HAVE_POLL_FINE 1
+
+/* Define to 1 if you have the <poll.h> header file. */
+#define HAVE_POLL_H 1
+
+/* Define to 1 if you have a working POSIX-style strerror_r function. */
+#define HAVE_POSIX_STRERROR_R 1
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#define HAVE_PWD_H 1
+
+/* Define to 1 if you have the `RAND_egd' function. */
+/* #undef HAVE_RAND_EGD */
+
+/* Define to 1 if you have the `RAND_screen' function. */
+/* #undef HAVE_RAND_SCREEN */
+
+/* Define to 1 if you have the `RAND_status' function. */
+/* #undef HAVE_RAND_STATUS */
+
+/* Define to 1 if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to 1 if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to 1 if you have the <rsa.h> header file. */
+/* #undef HAVE_RSA_H */
+
+/* Define to 1 if you have the select function. */
+#define HAVE_SELECT 1
+
+/* Define to 1 if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#define HAVE_SETJMP_H 1
+
+/* Define to 1 if you have the `setlocale' function. */
+#define HAVE_SETLOCALE 1
+
+/* Define to 1 if you have the `setmode' function. */
+/* #undef HAVE_SETMODE */
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define HAVE_SETRLIMIT 1
+
+/* Define to 1 if you have the setsockopt function. */
+#define HAVE_SETSOCKOPT 1
+
+/* Define to 1 if you have a working setsockopt SO_NONBLOCK function. */
+/* #undef HAVE_SETSOCKOPT_SO_NONBLOCK */
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+#define HAVE_SGTTY_H 1
+
+/* Define to 1 if you have the sigaction function. */
+#define HAVE_SIGACTION 1
+
+/* Define to 1 if you have the siginterrupt function. */
+#define HAVE_SIGINTERRUPT 1
+
+/* Define to 1 if you have the signal function. */
+#define HAVE_SIGNAL 1
+
+/* Define to 1 if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define to 1 if you have the sigsetjmp function or macro. */
+#define HAVE_SIGSETJMP 1
+
+/* Define to 1 if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define to 1 if sig_atomic_t is already defined as volatile. */
+/* #undef HAVE_SIG_ATOMIC_T_VOLATILE */
+
+/* Define to 1 if struct sockaddr_in6 has the sin6_scope_id member */
+#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define this if you have the SPNEGO library fbopenssl */
+/* #undef HAVE_SPNEGO */
+
+/* Define to 1 if you have the `SSL_get_shutdown' function. */
+/* #undef HAVE_SSL_GET_SHUTDOWN */
+
+/* Define to 1 if you have the <ssl.h> header file. */
+/* #undef HAVE_SSL_H */
+
+/* Define to 1 if you have the <stdbool.h> header file. */
+/* #undef HAVE_STDBOOL_H */
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the strcasecmp function. */
+#define HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the strcasestr function. */
+/* #undef HAVE_STRCASESTR */
+
+/* Define to 1 if you have the strcmpi function. */
+/* #undef HAVE_STRCMPI */
+
+/* Define to 1 if you have the strdup function. */
+#define HAVE_STRDUP 1
+
+/* Define to 1 if you have the strerror_r function. */
+#define HAVE_STRERROR_R 1
+
+/* Define to 1 if you have the stricmp function. */
+/* #undef HAVE_STRICMP */
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the strlcat function. */
+#define HAVE_STRLCAT 1
+
+/* Define to 1 if you have the `strlcpy' function. */
+/* #undef HAVE_STRLCPY */
+
+/* Define to 1 if you have the strncasecmp function. */
+#define HAVE_STRNCASECMP 1
+
+/* Define to 1 if you have the strncmpi function. */
+/* #undef HAVE_STRNCMPI */
+
+/* Define to 1 if you have the strnicmp function. */
+/* #undef HAVE_STRNICMP */
+
+/* Define to 1 if you have the <stropts.h> header file. */
+#define HAVE_STROPTS_H 1
+
+/* Define to 1 if you have the strstr function. */
+#define HAVE_STRSTR 1
+
+/* Define to 1 if you have the strtok_r function. */
+#define HAVE_STRTOK_R 1
+
+/* Define to 1 if you have the strtoll function. */
+#define HAVE_STRTOLL 1
+
+/* if struct sockaddr_storage is defined */
+#define HAVE_STRUCT_SOCKADDR_STORAGE 1
+
+/* Define to 1 if you have the timeval struct. */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* Define to 1 if you have the <sys/filio.h> header file. */
+#define HAVE_SYS_FILIO_H 1
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#define HAVE_SYS_PARAM_H 1
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+#define HAVE_SYS_POLL_H 1
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define HAVE_SYS_RESOURCE_H 1
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#define HAVE_SYS_SELECT_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+#define HAVE_SYS_SOCKIO_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#define HAVE_SYS_UIO_H 1
+
+/* Define to 1 if you have the <sys/un.h> header file. */
+#define HAVE_SYS_UN_H 1
+
+/* Define to 1 if you have the <sys/utime.h> header file. */
+#define HAVE_SYS_UTIME_H 1
+
+/* Define to 1 if you have the <termios.h> header file. */
+#define HAVE_TERMIOS_H 1
+
+/* Define to 1 if you have the <termio.h> header file. */
+#define HAVE_TERMIO_H 1
+
+/* Define to 1 if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define to 1 if you have the <tld.h> header file. */
+/* #undef HAVE_TLD_H */
+
+/* Define to 1 if you have the `tld_strerror' function. */
+/* #undef HAVE_TLD_STRERROR */
+
+/* Define to 1 if you have the `uname' function. */
+#define HAVE_UNAME 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `utime' function. */
+#define HAVE_UTIME 1
+
+/* Define to 1 if you have the <utime.h> header file. */
+#define HAVE_UTIME_H 1
+
+/* Define to 1 if compiler supports C99 variadic macro style. */
+#define HAVE_VARIADIC_MACROS_C99 1
+
+/* Define to 1 if compiler supports old gcc variadic macro style. */
+#define HAVE_VARIADIC_MACROS_GCC 1
+
+/* Define to 1 if you have the winber.h header file. */
+/* #undef HAVE_WINBER_H */
+
+/* Define to 1 if you have the windows.h header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* Define to 1 if you have the winldap.h header file. */
+/* #undef HAVE_WINLDAP_H */
+
+/* Define to 1 if you have the winsock2.h header file. */
+/* #undef HAVE_WINSOCK2_H */
+
+/* Define to 1 if you have the winsock.h header file. */
+/* #undef HAVE_WINSOCK_H */
+
+/* Define this symbol if your OS supports changing the contents of argv */
+#define HAVE_WRITABLE_ARGV 1
+
+/* Define to 1 if you have the writev function. */
+#define HAVE_WRITEV 1
+
+/* Define to 1 if you have the ws2tcpip.h header file. */
+/* #undef HAVE_WS2TCPIP_H */
+
+/* Define to 1 if you have the <x509.h> header file. */
+/* #undef HAVE_X509_H */
+
+/* if you have the zlib.h header file */
+#define HAVE_ZLIB_H 1
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#define LT_OBJDIR ".libs/"
+
+/* Define to 1 if you are building a native Windows target. */
+/* #undef NATIVE_WINDOWS */
+
+/* If you lack a fine basename() prototype */
+/* #undef NEED_BASENAME_PROTO */
+
+/* Define to 1 if you need the lber.h header file even with ldap.h */
+/* #undef NEED_LBER_H */
+
+/* Define to 1 if you need the malloc.h header file even with stdlib.h */
+/* #undef NEED_MALLOC_H */
+
+/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
+#define NEED_REENTRANT 1
+
+/* cpu-machine-OS */
+#define OS "i386-pc-solaris2.10"
+
+/* Name of package */
+#define PACKAGE "curl"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "a suitable curl mailing list => http://curl.haxx.se/mail/"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "curl"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "curl -"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "curl"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "-"
+
+/* a suitable file to read random data from */
+/* #undef RANDOM_FILE */
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 int
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 void
+
+/* Define to 1 if the type pointed by arg 2 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG2_IS_VOID 1
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to 1 if the type pointed by arg 5 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG5_IS_VOID */
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 void
+
+/* Define to 1 if the type pointed by arg 6 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG6_IS_VOID 1
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV ssize_t
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV ssize_t
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* Define to the type qualifier of arg 5 for select. */
+#define SELECT_QUAL_ARG5 
+
+/* Define to the type of arg 1 for select. */
+#define SELECT_TYPE_ARG1 int
+
+/* Define to the type of args 2, 3 and 4 for select. */
+#define SELECT_TYPE_ARG234 fd_set *
+
+/* Define to the type of arg 5 for select. */
+#define SELECT_TYPE_ARG5 struct timeval *
+
+/* Define to the function return type for select. */
+#define SELECT_TYPE_RETV int
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV ssize_t
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 8
+
+/* The size of `off_t', as computed by sizeof. */
+#define SIZEOF_OFF_T 8
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 8
+
+/* The size of `time_t', as computed by sizeof. */
+#define SIZEOF_TIME_T 8
+
+/* The size of `void*', as computed by sizeof. */
+#define SIZEOF_VOIDP 8
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define to the type of arg 3 for strerror_r. */
+#define STRERROR_R_TYPE_ARG3 size_t
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* Define if you want to enable c-ares support */
+/* #undef USE_ARES */
+
+/* Define to disable non-blocking sockets. */
+/* #undef USE_BLOCKING_SOCKETS */
+
+/* if GnuTLS is enabled */
+/* #undef USE_GNUTLS */
+
+/* if libSSH2 is in use */
+/* #undef USE_LIBSSH2 */
+
+/* If you want to build curl with the built-in manual */
+/* #undef USE_MANUAL */
+
+/* if NSS is enabled */
+/* #undef USE_NSS */
+
+/* if OpenSSL is in use */
+/* #undef USE_OPENSSL */
+
+/* if SSL is enabled */
+/* #undef USE_SSLEAY */
+
+/* Define to 1 if you are building a Windows target without large file
+   support. */
+/* #undef USE_WIN32_LARGE_FILES */
+
+/* to enable SSPI support */
+/* #undef USE_WINDOWS_SSPI */
+
+/* Define to 1 if using yaSSL in OpenSSL compatibility mode. */
+/* #undef USE_YASSLEMUL */
+
+/* Version number of package */
+#define VERSION "7.19.4"
+
+/* Define to avoid automatic inclusion of winsock.h */
+/* #undef WIN32_LEAN_AND_MEAN */
+
+/* Define to 1 if OS is AIX. */
+#ifndef _ALL_SOURCE
+/* #  undef _ALL_SOURCE */
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+/* #undef _FILE_OFFSET_BITS */
+
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* define this if you need it to compile thread-safe code */
+/* #undef _THREAD_SAFE */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Type to use in place of in_addr_t when system does not provide it. */
+/* #undef in_addr_t */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+/* #undef inline */
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+/* Type to use in place of socklen_t when system does not provide it. */
+/* #undef socklen_t */
+
+/* the signed version of size_t */
+/* #undef ssize_t */
+
+/* The size of `curl_off_t', as computed by sizeof. */
+#define SIZEOF_CURL_OFF_T 8
Index: trunk/src/libs/curl-7.64.0/config.h.solaris.x86
===================================================================
--- trunk/src/libs/curl-7.64.0/config.h.solaris.x86	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/config.h.solaris.x86	(revision 85671)
@@ -0,0 +1,953 @@
+/* lib/config.h.  Generated from config.h.in by configure.  */
+/* lib/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if you have the $func function. */
+/* #undef AS_TR_CPP */
+
+/* when building libcurl itself */
+/* #undef BUILDING_LIBCURL */
+
+/* Location of default ca bundle */
+/* #undef CURL_CA_BUNDLE */
+
+/* Location of default ca path */
+/* #undef CURL_CA_PATH */
+
+/* to disable cookies support */
+/* #undef CURL_DISABLE_COOKIES */
+
+/* to disable cryptographic authentication */
+/* #undef CURL_DISABLE_CRYPTO_AUTH */
+
+/* to disable DICT */
+/* #undef CURL_DISABLE_DICT */
+
+/* to disable FILE */
+/* #undef CURL_DISABLE_FILE */
+
+/* to disable FTP */
+/* #undef CURL_DISABLE_FTP */
+
+/* to disable HTTP */
+/* #undef CURL_DISABLE_HTTP */
+
+/* to disable LDAP */
+#define CURL_DISABLE_LDAP 1
+
+/* to disable LDAPS */
+#define CURL_DISABLE_LDAPS 1
+
+/* to disable proxies */
+/* #undef CURL_DISABLE_PROXY */
+
+/* to disable TELNET */
+/* #undef CURL_DISABLE_TELNET */
+
+/* to disable TFTP */
+/* #undef CURL_DISABLE_TFTP */
+
+/* to disable verbose strings */
+/* #undef CURL_DISABLE_VERBOSE_STRINGS */
+
+/* to make a symbol visible */
+/* #undef CURL_EXTERN_SYMBOL */
+
+/* to enable hidden symbols */
+/* #undef CURL_HIDDEN_SYMBOLS */
+
+/* W$ LDAP with non-W$ compiler */
+/* #undef CURL_LDAP_HYBRID */
+
+/* Use W$ LDAP implementation */
+/* #undef CURL_LDAP_WIN */
+
+/* when not building a shared library */
+/* #undef CURL_STATICLIB */
+
+/* Set to explicitly specify we don't want to use thread-safe functions */
+/* #undef DISABLED_THREADSAFE */
+
+/* your Entropy Gathering Daemon socket pathname */
+/* #undef EGD_SOCKET */
+
+/* Define if you want to enable IPv6 support */
+#define ENABLE_IPV6 1
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 size_t
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 int
+
+/* Specifies the number of arguments to getservbyport_r */
+#define GETSERVBYPORT_R_ARGS 5
+
+/* Specifies the size of the buffer to pass to getservbyport_r */
+#define GETSERVBYPORT_R_BUFSIZE 4096
+
+/* Define to 1 if you have the alarm function. */
+#define HAVE_ALARM 1
+
+/* Define to 1 if you have the <alloca.h> header file. */
+#define HAVE_ALLOCA_H 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <arpa/tftp.h> header file. */
+#define HAVE_ARPA_TFTP_H 1
+
+/* Define to 1 if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the `basename' function. */
+#define HAVE_BASENAME 1
+
+/* Define to 1 if bool is an available type. */
+/* #undef HAVE_BOOL_T */
+
+/* Define to 1 if you have the clock_gettime function and monotonic timer. */
+#define HAVE_CLOCK_GETTIME_MONOTONIC 1
+
+/* Define to 1 if you have the `closesocket' function. */
+/* #undef HAVE_CLOSESOCKET */
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function. */
+/* #undef HAVE_CRYPTO_CLEANUP_ALL_EX_DATA */
+
+/* Define to 1 if you have the <crypto.h> header file. */
+/* #undef HAVE_CRYPTO_H */
+
+/* Define to 1 if you have the <des.h> header file. */
+/* #undef HAVE_DES_H */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the `ENGINE_load_builtin_engines' function. */
+/* #undef HAVE_ENGINE_LOAD_BUILTIN_ENGINES */
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the <err.h> header file. */
+/* #undef HAVE_ERR_H */
+
+/* Define to 1 if you have the fcntl function. */
+#define HAVE_FCNTL 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have a working fcntl O_NONBLOCK function. */
+#define HAVE_FCNTL_O_NONBLOCK 1
+
+/* Define to 1 if you have the fdopen function. */
+#define HAVE_FDOPEN 1
+
+/* Define to 1 if you have the `fork' function. */
+#define HAVE_FORK 1
+
+/* Define to 1 if you have the freeaddrinfo function. */
+#define HAVE_FREEADDRINFO 1
+
+/* Define to 1 if you have the freeifaddrs function. */
+/* #undef HAVE_FREEIFADDRS */
+
+/* Define to 1 if you have the ftruncate function. */
+#define HAVE_FTRUNCATE 1
+
+/* Define to 1 if you have a working getaddrinfo function. */
+#define HAVE_GETADDRINFO 1
+
+/* Define to 1 if you have the `geteuid' function. */
+#define HAVE_GETEUID 1
+
+/* Define to 1 if you have the gethostbyaddr function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* Define to 1 if you have the gethostbyaddr_r function. */
+#define HAVE_GETHOSTBYADDR_R 1
+
+/* gethostbyaddr_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYADDR_R_5 */
+
+/* gethostbyaddr_r() takes 7 args */
+#define HAVE_GETHOSTBYADDR_R_7 1
+
+/* gethostbyaddr_r() takes 8 args */
+/* #undef HAVE_GETHOSTBYADDR_R_8 */
+
+/* Define to 1 if you have the gethostbyname function. */
+#define HAVE_GETHOSTBYNAME 1
+
+/* Define to 1 if you have the gethostbyname_r function. */
+#define HAVE_GETHOSTBYNAME_R 1
+
+/* gethostbyname_r() takes 3 args */
+/* #undef HAVE_GETHOSTBYNAME_R_3 */
+
+/* gethostbyname_r() takes 5 args */
+#define HAVE_GETHOSTBYNAME_R_5 1
+
+/* gethostbyname_r() takes 6 args */
+/* #undef HAVE_GETHOSTBYNAME_R_6 */
+
+/* Define to 1 if you have the gethostname function. */
+#define HAVE_GETHOSTNAME 1
+
+/* Define to 1 if you have a working getifaddrs function. */
+/* #undef HAVE_GETIFADDRS */
+
+/* Define to 1 if you have the getnameinfo function. */
+#define HAVE_GETNAMEINFO 1
+
+/* Define to 1 if you have the `getpass_r' function. */
+/* #undef HAVE_GETPASS_R */
+
+/* Define to 1 if you have the `getppid' function. */
+#define HAVE_GETPPID 1
+
+/* Define to 1 if you have the `getprotobyname' function. */
+#define HAVE_GETPROTOBYNAME 1
+
+/* Define to 1 if you have the `getpwuid' function. */
+#define HAVE_GETPWUID 1
+
+/* Define to 1 if you have the `getrlimit' function. */
+#define HAVE_GETRLIMIT 1
+
+/* Define to 1 if you have the getservbyport_r function. */
+#define HAVE_GETSERVBYPORT_R 1
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY 1
+
+/* Define to 1 if you have a working glibc-style strerror_r function. */
+/* #undef HAVE_GLIBC_STRERROR_R */
+
+/* Define to 1 if you have a working gmtime_r function. */
+#define HAVE_GMTIME_R 1
+
+/* if you have the gssapi libraries */
+/* #undef HAVE_GSSAPI */
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_GENERIC_H */
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_H */
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_KRB5_H */
+
+/* if you have the GNU gssapi libraries */
+/* #undef HAVE_GSSGNU */
+
+/* if you have the Heimdal gssapi libraries */
+/* #undef HAVE_GSSHEIMDAL */
+
+/* if you have the MIT gssapi libraries */
+/* #undef HAVE_GSSMIT */
+
+/* Define to 1 if you have the `idna_strerror' function. */
+/* #undef HAVE_IDNA_STRERROR */
+
+/* Define to 1 if you have the `idn_free' function. */
+/* #undef HAVE_IDN_FREE */
+
+/* Define to 1 if you have the <idn-free.h> header file. */
+/* #undef HAVE_IDN_FREE_H */
+
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+/* #undef HAVE_IFADDRS_H */
+
+/* Define to 1 if you have the `inet_addr' function. */
+#define HAVE_INET_ADDR 1
+
+/* Define to 1 if you have the inet_ntoa_r function. */
+/* #undef HAVE_INET_NTOA_R */
+
+/* inet_ntoa_r() takes 2 args */
+/* #undef HAVE_INET_NTOA_R_2 */
+
+/* inet_ntoa_r() takes 3 args */
+/* #undef HAVE_INET_NTOA_R_3 */
+
+/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
+#define HAVE_INET_NTOP 1
+
+/* Define to 1 if you have a IPv6 capable working inet_pton function. */
+#define HAVE_INET_PTON 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the ioctl function. */
+#define HAVE_IOCTL 1
+
+/* Define to 1 if you have the ioctlsocket function. */
+/* #undef HAVE_IOCTLSOCKET */
+
+/* Define to 1 if you have the IoctlSocket camel case function. */
+/* #undef HAVE_IOCTLSOCKET_CAMEL */
+
+/* Define to 1 if you have a working IoctlSocket camel case FIONBIO function.
+   */
+/* #undef HAVE_IOCTLSOCKET_CAMEL_FIONBIO */
+
+/* Define to 1 if you have a working ioctlsocket FIONBIO function. */
+/* #undef HAVE_IOCTLSOCKET_FIONBIO */
+
+/* Define to 1 if you have a working ioctl FIONBIO function. */
+/* #undef HAVE_IOCTL_FIONBIO */
+
+/* Define to 1 if you have a working ioctl SIOCGIFADDR function. */
+/* #undef HAVE_IOCTL_SIOCGIFADDR */
+
+/* Define to 1 if you have the <io.h> header file. */
+/* #undef HAVE_IO_H */
+
+/* if you have the Kerberos4 libraries (including -ldes) */
+/* #undef HAVE_KRB4 */
+
+/* Define to 1 if you have the `krb_get_our_ip_for_realm' function. */
+/* #undef HAVE_KRB_GET_OUR_IP_FOR_REALM */
+
+/* Define to 1 if you have the <krb.h> header file. */
+/* #undef HAVE_KRB_H */
+
+/* Define to 1 if you have the lber.h header file. */
+/* #undef HAVE_LBER_H */
+
+/* Define to 1 if you have the ldapssl.h header file. */
+/* #undef HAVE_LDAPSSL_H */
+
+/* Define to 1 if you have the ldap.h header file. */
+/* #undef HAVE_LDAP_H */
+
+/* Use LDAPS implementation */
+/* #undef HAVE_LDAP_SSL */
+
+/* Define to 1 if you have the ldap_ssl.h header file. */
+/* #undef HAVE_LDAP_SSL_H */
+
+/* Define to 1 if you have the `ldap_url_parse' function. */
+/* #undef HAVE_LDAP_URL_PARSE */
+
+/* Define to 1 if you have the <libgen.h> header file. */
+#define HAVE_LIBGEN_H 1
+
+/* Define to 1 if you have the `idn' library (-lidn). */
+/* #undef HAVE_LIBIDN */
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+/* #undef HAVE_LIBRESOLV */
+
+/* Define to 1 if you have the `resolve' library (-lresolve). */
+/* #undef HAVE_LIBRESOLVE */
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+#define HAVE_LIBSOCKET 1
+
+/* Define to 1 if you have the `ssh2' library (-lssh2). */
+/* #undef HAVE_LIBSSH2 */
+
+/* Define to 1 if you have the <libssh2.h> header file. */
+/* #undef HAVE_LIBSSH2_H */
+
+/* Define to 1 if you have the `ssl' library (-lssl). */
+/* #undef HAVE_LIBSSL */
+
+/* if zlib is available */
+#define HAVE_LIBZ 1
+
+/* Define to 1 if you have the <limits.h> header file. */
+#define HAVE_LIMITS_H 1
+
+/* if your compiler supports LL */
+#define HAVE_LL 1
+
+/* Define to 1 if you have the <locale.h> header file. */
+#define HAVE_LOCALE_H 1
+
+/* Define to 1 if you have a working localtime_r function. */
+#define HAVE_LOCALTIME_R 1
+
+/* Define to 1 if the compiler supports the 'long long' data type. */
+#define HAVE_LONGLONG 1
+
+/* Define to 1 if you have the malloc.h header file. */
+#define HAVE_MALLOC_H 1
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the MSG_NOSIGNAL flag. */
+/* #undef HAVE_MSG_NOSIGNAL */
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#define HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#define HAVE_NETINET_TCP_H 1
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H 1
+
+/* Define to 1 if NI_WITHSCOPEID exists and works. */
+/* #undef HAVE_NI_WITHSCOPEID */
+
+/* if you have an old MIT gssapi library, lacking GSS_C_NT_HOSTBASED_SERVICE
+   */
+/* #undef HAVE_OLD_GSSMIT */
+
+/* Define to 1 if you have the <openssl/crypto.h> header file. */
+/* #undef HAVE_OPENSSL_CRYPTO_H */
+
+/* Define to 1 if you have the <openssl/engine.h> header file. */
+/* #undef HAVE_OPENSSL_ENGINE_H */
+
+/* Define to 1 if you have the <openssl/err.h> header file. */
+/* #undef HAVE_OPENSSL_ERR_H */
+
+/* Define to 1 if you have the <openssl/pem.h> header file. */
+/* #undef HAVE_OPENSSL_PEM_H */
+
+/* Define to 1 if you have the <openssl/pkcs12.h> header file. */
+/* #undef HAVE_OPENSSL_PKCS12_H */
+
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+/* #undef HAVE_OPENSSL_RSA_H */
+
+/* Define to 1 if you have the <openssl/ssl.h> header file. */
+/* #undef HAVE_OPENSSL_SSL_H */
+
+/* Define to 1 if you have the <openssl/x509.h> header file. */
+/* #undef HAVE_OPENSSL_X509_H */
+
+/* Define to 1 if you have the <pem.h> header file. */
+/* #undef HAVE_PEM_H */
+
+/* Define to 1 if you have the `perror' function. */
+#define HAVE_PERROR 1
+
+/* Define to 1 if you have the `pipe' function. */
+#define HAVE_PIPE 1
+
+/* if you have the function PK11_CreateGenericObject */
+/* #undef HAVE_PK11_CREATEGENERICOBJECT */
+
+/* Define to 1 if you have a working poll function. */
+#define HAVE_POLL 1
+
+/* If you have a fine poll */
+#define HAVE_POLL_FINE 1
+
+/* Define to 1 if you have the <poll.h> header file. */
+#define HAVE_POLL_H 1
+
+/* Define to 1 if you have a working POSIX-style strerror_r function. */
+#define HAVE_POSIX_STRERROR_R 1
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#define HAVE_PWD_H 1
+
+/* Define to 1 if you have the `RAND_egd' function. */
+/* #undef HAVE_RAND_EGD */
+
+/* Define to 1 if you have the `RAND_screen' function. */
+/* #undef HAVE_RAND_SCREEN */
+
+/* Define to 1 if you have the `RAND_status' function. */
+/* #undef HAVE_RAND_STATUS */
+
+/* Define to 1 if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to 1 if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to 1 if you have the <rsa.h> header file. */
+/* #undef HAVE_RSA_H */
+
+/* Define to 1 if you have the select function. */
+#define HAVE_SELECT 1
+
+/* Define to 1 if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#define HAVE_SETJMP_H 1
+
+/* Define to 1 if you have the `setlocale' function. */
+#define HAVE_SETLOCALE 1
+
+/* Define to 1 if you have the `setmode' function. */
+/* #undef HAVE_SETMODE */
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define HAVE_SETRLIMIT 1
+
+/* Define to 1 if you have the setsockopt function. */
+#define HAVE_SETSOCKOPT 1
+
+/* Define to 1 if you have a working setsockopt SO_NONBLOCK function. */
+/* #undef HAVE_SETSOCKOPT_SO_NONBLOCK */
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+#define HAVE_SGTTY_H 1
+
+/* Define to 1 if you have the sigaction function. */
+#define HAVE_SIGACTION 1
+
+/* Define to 1 if you have the siginterrupt function. */
+#define HAVE_SIGINTERRUPT 1
+
+/* Define to 1 if you have the signal function. */
+#define HAVE_SIGNAL 1
+
+/* Define to 1 if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define to 1 if you have the sigsetjmp function or macro. */
+#define HAVE_SIGSETJMP 1
+
+/* Define to 1 if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define to 1 if sig_atomic_t is already defined as volatile. */
+/* #undef HAVE_SIG_ATOMIC_T_VOLATILE */
+
+/* Define to 1 if struct sockaddr_in6 has the sin6_scope_id member */
+#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define this if you have the SPNEGO library fbopenssl */
+/* #undef HAVE_SPNEGO */
+
+/* Define to 1 if you have the `SSL_get_shutdown' function. */
+/* #undef HAVE_SSL_GET_SHUTDOWN */
+
+/* Define to 1 if you have the <ssl.h> header file. */
+/* #undef HAVE_SSL_H */
+
+/* Define to 1 if you have the <stdbool.h> header file. */
+/* #undef HAVE_STDBOOL_H */
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the strcasecmp function. */
+#define HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the strcasestr function. */
+/* #undef HAVE_STRCASESTR */
+
+/* Define to 1 if you have the strcmpi function. */
+/* #undef HAVE_STRCMPI */
+
+/* Define to 1 if you have the strdup function. */
+#define HAVE_STRDUP 1
+
+/* Define to 1 if you have the strerror_r function. */
+#define HAVE_STRERROR_R 1
+
+/* Define to 1 if you have the stricmp function. */
+/* #undef HAVE_STRICMP */
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the strlcat function. */
+#define HAVE_STRLCAT 1
+
+/* Define to 1 if you have the `strlcpy' function. */
+/* #undef HAVE_STRLCPY */
+
+/* Define to 1 if you have the strncasecmp function. */
+#define HAVE_STRNCASECMP 1
+
+/* Define to 1 if you have the strncmpi function. */
+/* #undef HAVE_STRNCMPI */
+
+/* Define to 1 if you have the strnicmp function. */
+/* #undef HAVE_STRNICMP */
+
+/* Define to 1 if you have the <stropts.h> header file. */
+#define HAVE_STROPTS_H 1
+
+/* Define to 1 if you have the strstr function. */
+#define HAVE_STRSTR 1
+
+/* Define to 1 if you have the strtok_r function. */
+#define HAVE_STRTOK_R 1
+
+/* Define to 1 if you have the strtoll function. */
+#define HAVE_STRTOLL 1
+
+/* if struct sockaddr_storage is defined */
+#define HAVE_STRUCT_SOCKADDR_STORAGE 1
+
+/* Define to 1 if you have the timeval struct. */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* Define to 1 if you have the <sys/filio.h> header file. */
+#define HAVE_SYS_FILIO_H 1
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#define HAVE_SYS_PARAM_H 1
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+#define HAVE_SYS_POLL_H 1
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define HAVE_SYS_RESOURCE_H 1
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#define HAVE_SYS_SELECT_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+#define HAVE_SYS_SOCKIO_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#define HAVE_SYS_UIO_H 1
+
+/* Define to 1 if you have the <sys/un.h> header file. */
+#define HAVE_SYS_UN_H 1
+
+/* Define to 1 if you have the <sys/utime.h> header file. */
+#define HAVE_SYS_UTIME_H 1
+
+/* Define to 1 if you have the <termios.h> header file. */
+#define HAVE_TERMIOS_H 1
+
+/* Define to 1 if you have the <termio.h> header file. */
+#define HAVE_TERMIO_H 1
+
+/* Define to 1 if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define to 1 if you have the <tld.h> header file. */
+/* #undef HAVE_TLD_H */
+
+/* Define to 1 if you have the `tld_strerror' function. */
+/* #undef HAVE_TLD_STRERROR */
+
+/* Define to 1 if you have the `uname' function. */
+#define HAVE_UNAME 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `utime' function. */
+#define HAVE_UTIME 1
+
+/* Define to 1 if you have the <utime.h> header file. */
+#define HAVE_UTIME_H 1
+
+/* Define to 1 if compiler supports C99 variadic macro style. */
+#define HAVE_VARIADIC_MACROS_C99 1
+
+/* Define to 1 if compiler supports old gcc variadic macro style. */
+#define HAVE_VARIADIC_MACROS_GCC 1
+
+/* Define to 1 if you have the winber.h header file. */
+/* #undef HAVE_WINBER_H */
+
+/* Define to 1 if you have the windows.h header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* Define to 1 if you have the winldap.h header file. */
+/* #undef HAVE_WINLDAP_H */
+
+/* Define to 1 if you have the winsock2.h header file. */
+/* #undef HAVE_WINSOCK2_H */
+
+/* Define to 1 if you have the winsock.h header file. */
+/* #undef HAVE_WINSOCK_H */
+
+/* Define this symbol if your OS supports changing the contents of argv */
+#define HAVE_WRITABLE_ARGV 1
+
+/* Define to 1 if you have the writev function. */
+#define HAVE_WRITEV 1
+
+/* Define to 1 if you have the ws2tcpip.h header file. */
+/* #undef HAVE_WS2TCPIP_H */
+
+/* Define to 1 if you have the <x509.h> header file. */
+/* #undef HAVE_X509_H */
+
+/* if you have the zlib.h header file */
+#define HAVE_ZLIB_H 1
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#define LT_OBJDIR ".libs/"
+
+/* Define to 1 if you are building a native Windows target. */
+/* #undef NATIVE_WINDOWS */
+
+/* If you lack a fine basename() prototype */
+/* #undef NEED_BASENAME_PROTO */
+
+/* Define to 1 if you need the lber.h header file even with ldap.h */
+/* #undef NEED_LBER_H */
+
+/* Define to 1 if you need the malloc.h header file even with stdlib.h */
+/* #undef NEED_MALLOC_H */
+
+/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
+#define NEED_REENTRANT 1
+
+/* cpu-machine-OS */
+#define OS "i386-pc-solaris2.10"
+
+/* Name of package */
+#define PACKAGE "curl"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "a suitable curl mailing list => http://curl.haxx.se/mail/"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "curl"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "curl -"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "curl"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "-"
+
+/* a suitable file to read random data from */
+/* #undef RANDOM_FILE */
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 int
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 void
+
+/* Define to 1 if the type pointed by arg 2 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG2_IS_VOID 1
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to 1 if the type pointed by arg 5 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG5_IS_VOID */
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 void
+
+/* Define to 1 if the type pointed by arg 6 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG6_IS_VOID 1
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV int
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV int
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* Define to the type qualifier of arg 5 for select. */
+#define SELECT_QUAL_ARG5 
+
+/* Define to the type of arg 1 for select. */
+#define SELECT_TYPE_ARG1 int
+
+/* Define to the type of args 2, 3 and 4 for select. */
+#define SELECT_TYPE_ARG234 fd_set *
+
+/* Define to the type of arg 5 for select. */
+#define SELECT_TYPE_ARG5 struct timeval *
+
+/* Define to the function return type for select. */
+#define SELECT_TYPE_RETV int
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV int
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 4
+
+/* The size of `off_t', as computed by sizeof. */
+#define SIZEOF_OFF_T 8
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 4
+
+/* The size of `time_t', as computed by sizeof. */
+#define SIZEOF_TIME_T 4
+
+/* The size of `void*', as computed by sizeof. */
+#define SIZEOF_VOIDP 4
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define to the type of arg 3 for strerror_r. */
+#define STRERROR_R_TYPE_ARG3 size_t
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* Define if you want to enable c-ares support */
+/* #undef USE_ARES */
+
+/* Define to disable non-blocking sockets. */
+/* #undef USE_BLOCKING_SOCKETS */
+
+/* if GnuTLS is enabled */
+/* #undef USE_GNUTLS */
+
+/* if libSSH2 is in use */
+/* #undef USE_LIBSSH2 */
+
+/* If you want to build curl with the built-in manual */
+/* #undef USE_MANUAL */
+
+/* if NSS is enabled */
+/* #undef USE_NSS */
+
+/* if OpenSSL is in use */
+#define USE_OPENSSL
+
+/* if SSL is enabled */
+#define USE_SSLEAY
+
+/* Define to 1 if you are building a Windows target without large file
+   support. */
+/* #undef USE_WIN32_LARGE_FILES */
+
+/* to enable SSPI support */
+/* #undef USE_WINDOWS_SSPI */
+
+/* Define to 1 if using yaSSL in OpenSSL compatibility mode. */
+/* #undef USE_YASSLEMUL */
+
+/* Version number of package */
+#define VERSION "7.19.4"
+
+/* Define to avoid automatic inclusion of winsock.h */
+/* #undef WIN32_LEAN_AND_MEAN */
+
+/* Define to 1 if OS is AIX. */
+#ifndef _ALL_SOURCE
+/* #  undef _ALL_SOURCE */
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#define _FILE_OFFSET_BITS 64
+
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* define this if you need it to compile thread-safe code */
+/* #undef _THREAD_SAFE */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Type to use in place of in_addr_t when system does not provide it. */
+/* #undef in_addr_t */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+/* #undef inline */
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+/* Type to use in place of socklen_t when system does not provide it. */
+/* #undef socklen_t */
+
+/* the signed version of size_t */
+/* #undef ssize_t */
+
+/* The size of `curl_off_t', as computed by sizeof. */
+#define SIZEOF_CURL_OFF_T 8
Index: trunk/src/libs/curl-7.64.0/config.h.win.amd64
===================================================================
--- trunk/src/libs/curl-7.64.0/config.h.win.amd64	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/config.h.win.amd64	(revision 85671)
@@ -0,0 +1,569 @@
+#ifndef HEADER_CURL_CONFIG_WIN32_H
+#define HEADER_CURL_CONFIG_WIN32_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* ================================================================ */
+/*               Hand crafted config file for Windows               */
+/* ================================================================ */
+
+/* ---------------------------------------------------------------- */
+/*                          HEADER FILES                            */
+/* ---------------------------------------------------------------- */
+
+/* Begin VBox specific */
+#define CURL_DISABLE_LDAP 1
+#define CURL_DISABLE_DICT 1
+#define CURL_DISABLE_TFTP 1
+
+/* to make a symbol visible */
+#define CURL_EXTERN_SYMBOL 1
+
+/* to enable hidden symbols */
+/* #undef CURL_HIDDEN_SYMBOLS */
+
+/* if zlib is available */
+#define HAVE_LIBZ 1
+/* if you have the zlib.h header file */
+#define HAVE_ZLIB_H 1
+/* End VBox specific */
+
+/* Define if you have the <arpa/inet.h> header file. */
+/* #define HAVE_ARPA_INET_H 1 */
+
+/* Define if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define if you have the <crypto.h> header file. */
+/* #define HAVE_CRYPTO_H 1 */
+
+/* Define if you have the <err.h> header file. */
+/* #define HAVE_ERR_H 1 */
+
+/* Define if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define if you have the <getopt.h> header file. */
+/* #define HAVE_GETOPT_H 1 */
+
+/* Define if you have the <io.h> header file. */
+#define HAVE_IO_H 1
+
+/* Define if you need the malloc.h header file even with stdlib.h */
+#ifndef __SALFORDC__
+#define NEED_MALLOC_H 1
+#endif
+
+/* Define if you have the <netdb.h> header file. */
+/* #define HAVE_NETDB_H 1 */
+
+/* Define if you have the <netinet/in.h> header file. */
+/* #define HAVE_NETINET_IN_H 1 */
+
+/* Define if you have the <process.h> header file. */
+#ifndef __SALFORDC__
+#define HAVE_PROCESS_H 1
+#endif
+
+/* Define if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define if you have the <sgtty.h> header file. */
+/* #define HAVE_SGTTY_H 1 */
+
+/* Define if you have the <ssl.h> header file. */
+/* #define HAVE_SSL_H 1 */
+
+/* Define if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define if you have the <sys/param.h> header file. */
+/* #define HAVE_SYS_PARAM_H 1 */
+
+/* Define if you have the <sys/select.h> header file. */
+/* #define HAVE_SYS_SELECT_H 1 */
+
+/* Define if you have the <sys/socket.h> header file. */
+/* #define HAVE_SYS_SOCKET_H 1 */
+
+/* Define if you have the <sys/sockio.h> header file. */
+/* #define HAVE_SYS_SOCKIO_H 1 */
+
+/* Define if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define if you have the <sys/time.h> header file. */
+/* #define HAVE_SYS_TIME_H 1 */
+
+/* Define if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define if you have the <sys/utime.h> header file. */
+#ifndef __BORLANDC__
+#define HAVE_SYS_UTIME_H 1
+#endif
+
+/* Define if you have the <termio.h> header file. */
+/* #define HAVE_TERMIO_H 1 */
+
+/* Define if you have the <termios.h> header file. */
+/* #define HAVE_TERMIOS_H 1 */
+
+/* Define if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define if you have the <unistd.h> header file. */
+#if defined(__MINGW32__) || defined(__WATCOMC__) || defined(__LCC__) || \
+    defined(__POCC__)
+#define HAVE_UNISTD_H 1
+#endif
+
+/* Define if you have the <windows.h> header file. */
+#define HAVE_WINDOWS_H 1
+
+/* Define if you have the <winsock.h> header file. */
+#define HAVE_WINSOCK_H 1
+
+#ifndef __SALFORDC__
+/* Define if you have the <winsock2.h> header file. */
+#define HAVE_WINSOCK2_H 1
+
+/* Define if you have the <ws2tcpip.h> header file. */
+#define HAVE_WS2TCPIP_H 1
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                        OTHER HEADER INFO                         */
+/* ---------------------------------------------------------------- */
+
+/* Define if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define if you can safely include both <sys/time.h> and <time.h>. */
+/* #define TIME_WITH_SYS_TIME 1 */
+
+/* ---------------------------------------------------------------- */
+/*                             FUNCTIONS                            */
+/* ---------------------------------------------------------------- */
+
+/* Define if you have the closesocket function. */
+#define HAVE_CLOSESOCKET 1
+
+/* Define if you don't have vprintf but do have _doprnt. */
+/* #define HAVE_DOPRNT 1 */
+
+/* Define if you have the gethostbyaddr function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* Define if you have the gethostname function. */
+#define HAVE_GETHOSTNAME 1
+
+/* Define if you have the getpass function. */
+/* #define HAVE_GETPASS 1 */
+
+/* Define if you have the getservbyname function. */
+#define HAVE_GETSERVBYNAME 1
+
+/* Define if you have the getprotobyname function. */
+#define HAVE_GETPROTOBYNAME
+
+/* Define if you have the gettimeofday function. */
+/* #define HAVE_GETTIMEOFDAY 1 */
+
+/* Define if you have the inet_addr function. */
+#define HAVE_INET_ADDR 1
+
+/* Define if you have the ioctlsocket function. */
+#define HAVE_IOCTLSOCKET 1
+
+/* Define if you have a working ioctlsocket FIONBIO function. */
+#define HAVE_IOCTLSOCKET_FIONBIO 1
+
+/* Define if you have the perror function. */
+#define HAVE_PERROR 1
+
+/* Define if you have the RAND_screen function when using SSL  */
+#define HAVE_RAND_SCREEN 1
+
+/* Define if you have the `RAND_status' function when using SSL. */
+#define HAVE_RAND_STATUS 1
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function.
+   This is present in OpenSSL versions after 0.9.6b */
+#define HAVE_CRYPTO_CLEANUP_ALL_EX_DATA 1
+
+/* Define if you have the select function. */
+#define HAVE_SELECT 1
+
+/* Define if you have the setvbuf function. */
+#define HAVE_SETVBUF 1
+
+/* Define if you have the socket function. */
+#define HAVE_SOCKET 1
+
+/* Define if you have the strcasecmp function. */
+/* #define HAVE_STRCASECMP 1 */
+
+/* Define if you have the strdup function. */
+#define HAVE_STRDUP 1
+
+/* Define if you have the strftime function. */
+#define HAVE_STRFTIME 1
+
+/* Define if you have the stricmp function. */
+#define HAVE_STRICMP 1
+
+/* Define if you have the strncasecmp function. */
+/* #define HAVE_STRNCASECMP 1 */
+
+/* Define if you have the strnicmp function. */
+#define HAVE_STRNICMP 1
+
+/* Define if you have the strstr function. */
+#define HAVE_STRSTR 1
+
+/* Define if you have the strtoll function. */
+#if defined(__MINGW32__) || defined(__WATCOMC__) || defined(__POCC__)
+#define HAVE_STRTOLL 1
+#endif
+
+/* Define if you have the tcgetattr function. */
+/* #define HAVE_TCGETATTR 1 */
+
+/* Define if you have the tcsetattr function. */
+/* #define HAVE_TCSETATTR 1 */
+
+/* Define if you have the utime function */
+#ifndef __BORLANDC__
+#define HAVE_UTIME 1
+#endif
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 DWORD
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 int
+
+/* Define if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 SOCKET
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 char *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV int
+
+/* Define if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 SOCKET
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 char
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 int
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV int
+
+/* Define if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 SOCKET
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 char *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV int
+
+/* ---------------------------------------------------------------- */
+/*                       TYPEDEF REPLACEMENTS                       */
+/* ---------------------------------------------------------------- */
+
+/* Define this if in_addr_t is not an available 'typedefed' type */
+#define in_addr_t unsigned long
+
+/* Define as the return type of signal handlers (int or void). */
+#define RETSIGTYPE void
+
+#ifndef _SSIZE_T_DEFINED
+#if (defined(__WATCOMC__) && (__WATCOMC__ >= 1240)) || defined(__POCC__) || \
+    defined(__MINGW32__)
+#elif defined(_WIN64)
+#define ssize_t __int64
+#else
+#define ssize_t int
+#endif
+#define _SSIZE_T_DEFINED
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                            TYPE SIZES                            */
+/* ---------------------------------------------------------------- */
+
+/* Define to the size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* Define to the size of `long double', as computed by sizeof. */
+#define SIZEOF_LONG_DOUBLE 16
+
+/* Define to the size of `long long', as computed by sizeof. */
+/* #define SIZEOF_LONG_LONG 8 */
+
+/* Define to the size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* Define to the size of `size_t', as computed by sizeof. */
+#if defined(_WIN64)
+#  define SIZEOF_SIZE_T 8
+#else
+#  define SIZEOF_SIZE_T 4
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                          STRUCT RELATED                          */
+/* ---------------------------------------------------------------- */
+
+/* Define this if you have struct sockaddr_storage */
+#ifndef __SALFORDC__
+#define HAVE_STRUCT_SOCKADDR_STORAGE 1
+#endif
+
+/* Define this if you have struct timeval */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* ---------------------------------------------------------------- */
+/*                        Watt-32 tcp/ip SPECIFIC                   */
+/* ---------------------------------------------------------------- */
+
+#ifdef USE_WATT32
+  #include <tcp.h>
+  #undef byte
+  #undef word
+  #undef USE_WINSOCK
+  #undef HAVE_WINSOCK_H
+  #undef HAVE_WINSOCK2_H
+  #undef HAVE_WS2TCPIP_H
+  #define HAVE_GETADDRINFO
+  #define HAVE_GETNAMEINFO
+  #define HAVE_SYS_IOCTL_H
+  #define HAVE_SYS_SOCKET_H
+  #define HAVE_NETINET_IN_H
+  #define HAVE_NETDB_H
+  #define HAVE_ARPA_INET_H
+  #define HAVE_FREEADDRINFO
+  #define SOCKET int
+#endif
+
+
+/* ---------------------------------------------------------------- */
+/*                        COMPILER SPECIFIC                         */
+/* ---------------------------------------------------------------- */
+
+/* Undef keyword 'const' if it does not work. */
+/* #undef const */
+
+/* Windows should not have HAVE_GMTIME_R defined */
+/* #undef HAVE_GMTIME_R */
+
+/* Define if the compiler supports C99 variadic macro style. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1400)
+#define HAVE_VARIADIC_MACROS_C99 1
+#endif
+
+/* Define if the compiler supports the 'long long' data type. */
+#if defined(__MINGW32__) || defined(__WATCOMC__)
+#define HAVE_LONGLONG 1
+#endif
+
+/* Define to avoid VS2005 complaining about portable C functions */
+#if defined(_MSC_VER) && (_MSC_VER >= 1400)
+#define _CRT_SECURE_NO_DEPRECATE 1
+#define _CRT_NONSTDC_NO_DEPRECATE 1
+#endif
+
+/* VS2005 and later dafault size for time_t is 64-bit, unless */
+/* _USE_32BIT_TIME_T has been defined to get a 32-bit time_t. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1400)
+#  ifndef _USE_32BIT_TIME_T
+#    define SIZEOF_TIME_T 8
+#  else
+#    define SIZEOF_TIME_T 4
+#  endif
+#endif
+
+/* Officially, Microsoft's Windows SDK versions 6.X do not support Windows
+   2000 as a supported build target. VS2008 default installations provide an
+   embedded Windows SDK v6.0A along with the claim that Windows 2000 is a
+   valid build target for VS2008. Popular belief is that binaries built using
+   Windows SDK versions 6.X and Windows 2000 as a build target are functional */
+#if defined(_MSC_VER) && (_MSC_VER >= 1500)
+#  define VS2008_MIN_TARGET 0x0500
+#endif
+
+/* When no build target is specified VS2008 default build target is Windows
+   Vista, which leaves out even Winsows XP. If no build target has been given
+   for VS2008 we will target the minimum Officially supported build target,
+   which happens to be Windows XP. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1500)
+#  define VS2008_DEF_TARGET  0x0501
+#endif
+
+/* VS2008 default target settings and minimum build target check. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1500)
+#  ifndef _WIN32_WINNT
+#    define _WIN32_WINNT VS2008_DEF_TARGET
+#  endif
+#  ifndef WINVER
+#    define WINVER VS2008_DEF_TARGET
+#  endif
+#  if (_WIN32_WINNT < VS2008_MIN_TARGET) || (WINVER < VS2008_MIN_TARGET)
+#    error VS2008 does not support Windows build targets prior to Windows 2000
+#  endif
+#endif
+
+/* Availability of freeaddrinfo, getaddrinfo and getnameinfo functions is
+   quite convoluted, compiler dependant and in some cases even build target
+   dependant. */
+#if defined(HAVE_WS2TCPIP_H)
+#  if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0501)
+#    define HAVE_FREEADDRINFO 1
+#    define HAVE_GETADDRINFO  1
+#    define HAVE_GETNAMEINFO  1
+#  elif defined(_MSC_VER) && (_MSC_VER >= 1200)
+#    define HAVE_FREEADDRINFO 1
+#    define HAVE_GETADDRINFO  1
+#    define HAVE_GETNAMEINFO  1
+#  endif
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                        LARGE FILE SUPPORT                        */
+/* ---------------------------------------------------------------- */
+
+#if defined(_MSC_VER) && !defined(_WIN32_WCE)
+#  if (_MSC_VER >= 900) && (_INTEGRAL_MAX_BITS >= 64)
+#    define USE_WIN32_LARGE_FILES
+#  else
+#    define USE_WIN32_SMALL_FILES
+#  endif
+#endif
+
+#if defined(__MINGW32__) && !defined(USE_WIN32_LARGE_FILES)
+#  define USE_WIN32_LARGE_FILES
+#endif
+
+#if !defined(USE_WIN32_LARGE_FILES) && !defined(USE_WIN32_SMALL_FILES)
+#  define USE_WIN32_SMALL_FILES
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                           LDAP SUPPORT                           */
+/* ---------------------------------------------------------------- */
+
+#if defined(CURL_HAS_NOVELL_LDAPSDK) || defined(CURL_HAS_MOZILLA_LDAPSDK)
+#undef CURL_LDAP_HYBRID
+#undef CURL_LDAP_WIN
+#define HAVE_LDAP_SSL_H 1
+#define HAVE_LDAP_URL_PARSE 1
+#elif defined(CURL_HAS_OPENLDAP_LDAPSDK)
+#undef CURL_LDAP_HYBRID
+#undef CURL_LDAP_WIN
+#define HAVE_LDAP_URL_PARSE 1
+#else
+#undef CURL_LDAP_HYBRID
+#undef HAVE_LDAP_URL_PARSE
+#define CURL_LDAP_WIN 1
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                       ADDITIONAL DEFINITIONS                     */
+/* ---------------------------------------------------------------- */
+
+/* Define cpu-machine-OS */
+#undef OS
+#if defined(_M_IX86) || defined(__i386__) /* x86 (MSVC or gcc) */
+#define OS "i386-pc-win32"
+#elif defined(_M_IA64) /* Itanium */
+#define OS "ia64-pc-win32"
+#elif defined(_M_X64) /* AMD64/EM64T - Not defined until MSVC 2005 */
+#define OS "amd64-pc-win32"
+#else
+#define OS "unknown-pc-win32"
+#endif
+
+/* Name of package */
+#define PACKAGE "curl"
+
+#define USE_OPENSSL
+#define USE_SSLEAY
+
+#endif /* HEADER_CURL_CONFIG_WIN32_H */
+
+/* The size of `curl_off_t', as computed by sizeof. */
+#define SIZEOF_CURL_OFF_T 8
+
+/* The size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 4
Index: trunk/src/libs/curl-7.64.0/config.h.win.x86
===================================================================
--- trunk/src/libs/curl-7.64.0/config.h.win.x86	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/config.h.win.x86	(revision 85671)
@@ -0,0 +1,569 @@
+#ifndef HEADER_CURL_CONFIG_WIN32_H
+#define HEADER_CURL_CONFIG_WIN32_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* ================================================================ */
+/*               Hand crafted config file for Windows               */
+/* ================================================================ */
+
+/* ---------------------------------------------------------------- */
+/*                          HEADER FILES                            */
+/* ---------------------------------------------------------------- */
+
+/* Begin VBox specific */
+#define CURL_DISABLE_LDAP 1
+#define CURL_DISABLE_DICT 1
+#define CURL_DISABLE_TFTP 1
+
+/* to make a symbol visible */
+#define CURL_EXTERN_SYMBOL 1
+
+/* to enable hidden symbols */
+/* #undef CURL_HIDDEN_SYMBOLS */
+
+/* if zlib is available */
+#define HAVE_LIBZ 1
+/* if you have the zlib.h header file */
+#define HAVE_ZLIB_H 1
+/* End VBox specific */
+
+/* Define if you have the <arpa/inet.h> header file. */
+/* #define HAVE_ARPA_INET_H 1 */
+
+/* Define if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define if you have the <crypto.h> header file. */
+/* #define HAVE_CRYPTO_H 1 */
+
+/* Define if you have the <err.h> header file. */
+/* #define HAVE_ERR_H 1 */
+
+/* Define if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define if you have the <getopt.h> header file. */
+/* #define HAVE_GETOPT_H 1 */
+
+/* Define if you have the <io.h> header file. */
+#define HAVE_IO_H 1
+
+/* Define if you need the malloc.h header file even with stdlib.h */
+#ifndef __SALFORDC__
+#define NEED_MALLOC_H 1
+#endif
+
+/* Define if you have the <netdb.h> header file. */
+/* #define HAVE_NETDB_H 1 */
+
+/* Define if you have the <netinet/in.h> header file. */
+/* #define HAVE_NETINET_IN_H 1 */
+
+/* Define if you have the <process.h> header file. */
+#ifndef __SALFORDC__
+#define HAVE_PROCESS_H 1
+#endif
+
+/* Define if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define if you have the <sgtty.h> header file. */
+/* #define HAVE_SGTTY_H 1 */
+
+/* Define if you have the <ssl.h> header file. */
+/* #define HAVE_SSL_H 1 */
+
+/* Define if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define if you have the <sys/param.h> header file. */
+/* #define HAVE_SYS_PARAM_H 1 */
+
+/* Define if you have the <sys/select.h> header file. */
+/* #define HAVE_SYS_SELECT_H 1 */
+
+/* Define if you have the <sys/socket.h> header file. */
+/* #define HAVE_SYS_SOCKET_H 1 */
+
+/* Define if you have the <sys/sockio.h> header file. */
+/* #define HAVE_SYS_SOCKIO_H 1 */
+
+/* Define if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define if you have the <sys/time.h> header file. */
+/* #define HAVE_SYS_TIME_H 1 */
+
+/* Define if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define if you have the <sys/utime.h> header file. */
+#ifndef __BORLANDC__
+#define HAVE_SYS_UTIME_H 1
+#endif
+
+/* Define if you have the <termio.h> header file. */
+/* #define HAVE_TERMIO_H 1 */
+
+/* Define if you have the <termios.h> header file. */
+/* #define HAVE_TERMIOS_H 1 */
+
+/* Define if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define if you have the <unistd.h> header file. */
+#if defined(__MINGW32__) || defined(__WATCOMC__) || defined(__LCC__) || \
+    defined(__POCC__)
+#define HAVE_UNISTD_H 1
+#endif
+
+/* Define if you have the <windows.h> header file. */
+#define HAVE_WINDOWS_H 1
+
+/* Define if you have the <winsock.h> header file. */
+#define HAVE_WINSOCK_H 1
+
+#ifndef __SALFORDC__
+/* Define if you have the <winsock2.h> header file. */
+#define HAVE_WINSOCK2_H 1
+
+/* Define if you have the <ws2tcpip.h> header file. */
+#define HAVE_WS2TCPIP_H 1
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                        OTHER HEADER INFO                         */
+/* ---------------------------------------------------------------- */
+
+/* Define if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define if you can safely include both <sys/time.h> and <time.h>. */
+/* #define TIME_WITH_SYS_TIME 1 */
+
+/* ---------------------------------------------------------------- */
+/*                             FUNCTIONS                            */
+/* ---------------------------------------------------------------- */
+
+/* Define if you have the closesocket function. */
+#define HAVE_CLOSESOCKET 1
+
+/* Define if you don't have vprintf but do have _doprnt. */
+/* #define HAVE_DOPRNT 1 */
+
+/* Define if you have the gethostbyaddr function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* Define if you have the gethostname function. */
+#define HAVE_GETHOSTNAME 1
+
+/* Define if you have the getpass function. */
+/* #define HAVE_GETPASS 1 */
+
+/* Define if you have the getservbyname function. */
+#define HAVE_GETSERVBYNAME 1
+
+/* Define if you have the getprotobyname function. */
+#define HAVE_GETPROTOBYNAME
+
+/* Define if you have the gettimeofday function. */
+/* #define HAVE_GETTIMEOFDAY 1 */
+
+/* Define if you have the inet_addr function. */
+#define HAVE_INET_ADDR 1
+
+/* Define if you have the ioctlsocket function. */
+#define HAVE_IOCTLSOCKET 1
+
+/* Define if you have a working ioctlsocket FIONBIO function. */
+#define HAVE_IOCTLSOCKET_FIONBIO 1
+
+/* Define if you have the perror function. */
+#define HAVE_PERROR 1
+
+/* Define if you have the RAND_screen function when using SSL  */
+#define HAVE_RAND_SCREEN 1
+
+/* Define if you have the `RAND_status' function when using SSL. */
+#define HAVE_RAND_STATUS 1
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function.
+   This is present in OpenSSL versions after 0.9.6b */
+#define HAVE_CRYPTO_CLEANUP_ALL_EX_DATA 1
+
+/* Define if you have the select function. */
+#define HAVE_SELECT 1
+
+/* Define if you have the setvbuf function. */
+#define HAVE_SETVBUF 1
+
+/* Define if you have the socket function. */
+#define HAVE_SOCKET 1
+
+/* Define if you have the strcasecmp function. */
+/* #define HAVE_STRCASECMP 1 */
+
+/* Define if you have the strdup function. */
+#define HAVE_STRDUP 1
+
+/* Define if you have the strftime function. */
+#define HAVE_STRFTIME 1
+
+/* Define if you have the stricmp function. */
+#define HAVE_STRICMP 1
+
+/* Define if you have the strncasecmp function. */
+/* #define HAVE_STRNCASECMP 1 */
+
+/* Define if you have the strnicmp function. */
+#define HAVE_STRNICMP 1
+
+/* Define if you have the strstr function. */
+#define HAVE_STRSTR 1
+
+/* Define if you have the strtoll function. */
+#if defined(__MINGW32__) || defined(__WATCOMC__) || defined(__POCC__)
+#define HAVE_STRTOLL 1
+#endif
+
+/* Define if you have the tcgetattr function. */
+/* #define HAVE_TCGETATTR 1 */
+
+/* Define if you have the tcsetattr function. */
+/* #define HAVE_TCSETATTR 1 */
+
+/* Define if you have the utime function */
+#ifndef __BORLANDC__
+#define HAVE_UTIME 1
+#endif
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 DWORD
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 int
+
+/* Define if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 SOCKET
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 char *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV int
+
+/* Define if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 SOCKET
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 char
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 int
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV int
+
+/* Define if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 SOCKET
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 char *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV int
+
+/* ---------------------------------------------------------------- */
+/*                       TYPEDEF REPLACEMENTS                       */
+/* ---------------------------------------------------------------- */
+
+/* Define this if in_addr_t is not an available 'typedefed' type */
+#define in_addr_t unsigned long
+
+/* Define as the return type of signal handlers (int or void). */
+#define RETSIGTYPE void
+
+#ifndef _SSIZE_T_DEFINED
+#if (defined(__WATCOMC__) && (__WATCOMC__ >= 1240)) || defined(__POCC__) || \
+    defined(__MINGW32__)
+#elif defined(_WIN64)
+#define ssize_t __int64
+#else
+#define ssize_t int
+#endif
+#define _SSIZE_T_DEFINED
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                            TYPE SIZES                            */
+/* ---------------------------------------------------------------- */
+
+/* Define to the size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* Define to the size of `long double', as computed by sizeof. */
+#define SIZEOF_LONG_DOUBLE 16
+
+/* Define to the size of `long long', as computed by sizeof. */
+/* #define SIZEOF_LONG_LONG 8 */
+
+/* Define to the size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* Define to the size of `size_t', as computed by sizeof. */
+#if defined(_WIN64)
+#  define SIZEOF_SIZE_T 8
+#else
+#  define SIZEOF_SIZE_T 4
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                          STRUCT RELATED                          */
+/* ---------------------------------------------------------------- */
+
+/* Define this if you have struct sockaddr_storage */
+#ifndef __SALFORDC__
+#define HAVE_STRUCT_SOCKADDR_STORAGE 1
+#endif
+
+/* Define this if you have struct timeval */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* ---------------------------------------------------------------- */
+/*                        Watt-32 tcp/ip SPECIFIC                   */
+/* ---------------------------------------------------------------- */
+
+#ifdef USE_WATT32
+  #include <tcp.h>
+  #undef byte
+  #undef word
+  #undef USE_WINSOCK
+  #undef HAVE_WINSOCK_H
+  #undef HAVE_WINSOCK2_H
+  #undef HAVE_WS2TCPIP_H
+  #define HAVE_GETADDRINFO
+  #define HAVE_GETNAMEINFO
+  #define HAVE_SYS_IOCTL_H
+  #define HAVE_SYS_SOCKET_H
+  #define HAVE_NETINET_IN_H
+  #define HAVE_NETDB_H
+  #define HAVE_ARPA_INET_H
+  #define HAVE_FREEADDRINFO
+  #define SOCKET int
+#endif
+
+
+/* ---------------------------------------------------------------- */
+/*                        COMPILER SPECIFIC                         */
+/* ---------------------------------------------------------------- */
+
+/* Undef keyword 'const' if it does not work. */
+/* #undef const */
+
+/* Windows should not have HAVE_GMTIME_R defined */
+/* #undef HAVE_GMTIME_R */
+
+/* Define if the compiler supports C99 variadic macro style. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1400)
+#define HAVE_VARIADIC_MACROS_C99 1
+#endif
+
+/* Define if the compiler supports the 'long long' data type. */
+#if defined(__MINGW32__) || defined(__WATCOMC__)
+#define HAVE_LONGLONG 1
+#endif
+
+/* Define to avoid VS2005 complaining about portable C functions */
+#if defined(_MSC_VER) && (_MSC_VER >= 1400)
+#define _CRT_SECURE_NO_DEPRECATE 1
+#define _CRT_NONSTDC_NO_DEPRECATE 1
+#endif
+
+/* VS2005 and later dafault size for time_t is 64-bit, unless */
+/* _USE_32BIT_TIME_T has been defined to get a 32-bit time_t. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1400)
+#  ifndef _USE_32BIT_TIME_T
+#    define SIZEOF_TIME_T 8
+#  else
+#    define SIZEOF_TIME_T 4
+#  endif
+#endif
+
+/* Officially, Microsoft's Windows SDK versions 6.X do not support Windows
+   2000 as a supported build target. VS2008 default installations provide an
+   embedded Windows SDK v6.0A along with the claim that Windows 2000 is a
+   valid build target for VS2008. Popular belief is that binaries built using
+   Windows SDK versions 6.X and Windows 2000 as a build target are functional */
+#if defined(_MSC_VER) && (_MSC_VER >= 1500)
+#  define VS2008_MIN_TARGET 0x0500
+#endif
+
+/* When no build target is specified VS2008 default build target is Windows
+   Vista, which leaves out even Winsows XP. If no build target has been given
+   for VS2008 we will target the minimum Officially supported build target,
+   which happens to be Windows XP. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1500)
+#  define VS2008_DEF_TARGET  0x0501
+#endif
+
+/* VS2008 default target settings and minimum build target check. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1500)
+#  ifndef _WIN32_WINNT
+#    define _WIN32_WINNT VS2008_DEF_TARGET
+#  endif
+#  ifndef WINVER
+#    define WINVER VS2008_DEF_TARGET
+#  endif
+#  if (_WIN32_WINNT < VS2008_MIN_TARGET) || (WINVER < VS2008_MIN_TARGET)
+#    error VS2008 does not support Windows build targets prior to Windows 2000
+#  endif
+#endif
+
+/* Availability of freeaddrinfo, getaddrinfo and getnameinfo functions is
+   quite convoluted, compiler dependant and in some cases even build target
+   dependant. */
+#if defined(HAVE_WS2TCPIP_H)
+#  if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0501)
+#    define HAVE_FREEADDRINFO 1
+#    define HAVE_GETADDRINFO  1
+#    define HAVE_GETNAMEINFO  1
+#  elif defined(_MSC_VER) && (_MSC_VER >= 1200)
+#    define HAVE_FREEADDRINFO 1
+#    define HAVE_GETADDRINFO  1
+#    define HAVE_GETNAMEINFO  1
+#  endif
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                        LARGE FILE SUPPORT                        */
+/* ---------------------------------------------------------------- */
+
+#if defined(_MSC_VER) && !defined(_WIN32_WCE)
+#  if (_MSC_VER >= 900) && (_INTEGRAL_MAX_BITS >= 64)
+#    define USE_WIN32_LARGE_FILES
+#  else
+#    define USE_WIN32_SMALL_FILES
+#  endif
+#endif
+
+#if defined(__MINGW32__) && !defined(USE_WIN32_LARGE_FILES)
+#  define USE_WIN32_LARGE_FILES
+#endif
+
+#if !defined(USE_WIN32_LARGE_FILES) && !defined(USE_WIN32_SMALL_FILES)
+#  define USE_WIN32_SMALL_FILES
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                           LDAP SUPPORT                           */
+/* ---------------------------------------------------------------- */
+
+#if defined(CURL_HAS_NOVELL_LDAPSDK) || defined(CURL_HAS_MOZILLA_LDAPSDK)
+#undef CURL_LDAP_HYBRID
+#undef CURL_LDAP_WIN
+#define HAVE_LDAP_SSL_H 1
+#define HAVE_LDAP_URL_PARSE 1
+#elif defined(CURL_HAS_OPENLDAP_LDAPSDK)
+#undef CURL_LDAP_HYBRID
+#undef CURL_LDAP_WIN
+#define HAVE_LDAP_URL_PARSE 1
+#else
+#undef CURL_LDAP_HYBRID
+#undef HAVE_LDAP_URL_PARSE
+#define CURL_LDAP_WIN 1
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                       ADDITIONAL DEFINITIONS                     */
+/* ---------------------------------------------------------------- */
+
+/* Define cpu-machine-OS */
+#undef OS
+#if defined(_M_IX86) || defined(__i386__) /* x86 (MSVC or gcc) */
+#define OS "i386-pc-win32"
+#elif defined(_M_IA64) /* Itanium */
+#define OS "ia64-pc-win32"
+#elif defined(_M_X64) /* AMD64/EM64T - Not defined until MSVC 2005 */
+#define OS "amd64-pc-win32"
+#else
+#define OS "unknown-pc-win32"
+#endif
+
+/* Name of package */
+#define PACKAGE "curl"
+
+#define USE_OPENSSL
+#define USE_SSLEAY
+
+#endif /* HEADER_CURL_CONFIG_WIN32_H */
+
+/* The size of `curl_off_t', as computed by sizeof. */
+#define SIZEOF_CURL_OFF_T 4
+
+/* The size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 4
Index: trunk/src/libs/curl-7.64.0/include/Makefile.am
===================================================================
--- trunk/src/libs/curl-7.64.0/include/Makefile.am	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/include/Makefile.am	(revision 85671)
@@ -0,0 +1,5 @@
+SUBDIRS = curl
+
+EXTRA_DIST = README
+
+AUTOMAKE_OPTIONS = foreign no-dependencies
Index: trunk/src/libs/curl-7.64.0/include/Makefile.in
===================================================================
--- trunk/src/libs/curl-7.64.0/include/Makefile.in	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/include/Makefile.in	(revision 85671)
@@ -0,0 +1,719 @@
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Index: trunk/src/libs/curl-7.64.0/include/README
===================================================================
--- trunk/src/libs/curl-7.64.0/include/README	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/include/README	(revision 85671)
@@ -0,0 +1,18 @@
+                                  _   _ ____  _
+                              ___| | | |  _ \| |
+                             / __| | | | |_) | |
+                            | (__| |_| |  _ <| |___
+                             \___|\___/|_| \_\_____|
+
+Include files for libcurl, external users.
+
+They're all placed in the curl subdirectory here for better fit in any kind
+of environment. You must include files from here using...
+
+        #include <curl/curl.h>
+
+... style and point the compiler's include path to the directory holding the
+curl subdirectory. It makes it more likely to survive future modifications.
+
+The public curl include files can be shared freely between different platforms
+and different architectures.
Index: trunk/src/libs/curl-7.64.0/include/curl/Makefile.am
===================================================================
--- trunk/src/libs/curl-7.64.0/include/curl/Makefile.am	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/include/curl/Makefile.am	(revision 85671)
@@ -0,0 +1,34 @@
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
+pkginclude_HEADERS = \
+  curl.h curlver.h easy.h mprintf.h stdcheaders.h multi.h \
+  typecheck-gcc.h system.h urlapi.h
+
+pkgincludedir= $(includedir)/curl
+
+checksrc:
+	@@PERL@ $(top_srcdir)/lib/checksrc.pl -D$(top_srcdir)/include/curl $(pkginclude_HEADERS)
+
+if CURLDEBUG
+# for debug builds, we scan the sources on all regular make invokes
+all-local: checksrc
+endif
Index: trunk/src/libs/curl-7.64.0/include/curl/Makefile.in
===================================================================
--- trunk/src/libs/curl-7.64.0/include/curl/Makefile.in	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/include/curl/Makefile.in	(revision 85671)
@@ -0,0 +1,688 @@
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+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
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+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-pkgincludeHEADERS
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-pkgincludeHEADERS
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am all-local check check-am clean \
+	clean-generic clean-libtool cscopelist-am ctags ctags-am \
+	distclean distclean-generic distclean-libtool distclean-tags \
+	distdir dvi dvi-am html html-am info info-am install \
+	install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-pkgincludeHEADERS \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am uninstall-pkgincludeHEADERS
+
+.PRECIOUS: Makefile
+
+
+checksrc:
+	@@PERL@ $(top_srcdir)/lib/checksrc.pl -D$(top_srcdir)/include/curl $(pkginclude_HEADERS)
+
+# for debug builds, we scan the sources on all regular make invokes
+@CURLDEBUG_TRUE@all-local: checksrc
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
Index: trunk/src/libs/curl-7.64.0/include/curl/curl.h
===================================================================
--- trunk/src/libs/curl-7.64.0/include/curl/curl.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/include/curl/curl.h	(revision 85671)
@@ -0,0 +1,2844 @@
+#ifndef __CURL_CURL_H
+#define __CURL_CURL_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * If you have libcurl problems, all docs and details are found here:
+ *   https://curl.haxx.se/libcurl/
+ *
+ * curl-library mailing list subscription and unsubscription web interface:
+ *   https://cool.haxx.se/mailman/listinfo/curl-library/
+ */
+
+#ifdef CURL_NO_OLDIES
+#define CURL_STRICTER
+#endif
+
+#include "curlver.h"         /* libcurl version defines   */
+#include "system.h"          /* determine things run-time */
+
+/*
+ * Define WIN32 when build target is Win32 API
+ */
+
+#if (defined(_WIN32) || defined(__WIN32__)) && \
+     !defined(WIN32) && !defined(__SYMBIAN32__)
+#define WIN32
+#endif
+
+#include <stdio.h>
+#include <limits.h>
+
+#if defined(__FreeBSD__) && (__FreeBSD__ >= 2)
+/* Needed for __FreeBSD_version symbol definition */
+#include <osreldate.h>
+#endif
+
+/* The include stuff here below is mainly for time_t! */
+#include <sys/types.h>
+#include <time.h>
+
+#if defined(WIN32) && !defined(_WIN32_WCE) && !defined(__CYGWIN__)
+#if !(defined(_WINSOCKAPI_) || defined(_WINSOCK_H) || \
+      defined(__LWIP_OPT_H__) || defined(LWIP_HDR_OPT_H))
+/* The check above prevents the winsock2 inclusion if winsock.h already was
+   included, since they can't co-exist without problems */
+#  ifdef VBOX
+#   include <iprt/win/winsock2.h>
+#   include <iprt/win/ws2tcpip.h>
+#  else
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#  endif
+#endif
+#endif
+
+/* HP-UX systems version 9, 10 and 11 lack sys/select.h and so does oldish
+   libc5-based Linux systems. Only include it on systems that are known to
+   require it! */
+#if defined(_AIX) || defined(__NOVELL_LIBC__) || defined(__NetBSD__) || \
+    defined(__minix) || defined(__SYMBIAN32__) || defined(__INTEGRITY) || \
+    defined(ANDROID) || defined(__ANDROID__) || defined(__OpenBSD__) || \
+    defined(__CYGWIN__) || \
+   (defined(__FreeBSD_version) && (__FreeBSD_version < 800000))
+#include <sys/select.h>
+#endif
+
+#if !defined(WIN32) && !defined(_WIN32_WCE)
+#include <sys/socket.h>
+#endif
+
+#if !defined(WIN32) && !defined(__WATCOMC__) && !defined(__VXWORKS__)
+#include <sys/time.h>
+#endif
+
+#ifdef __BEOS__
+#include <support/SupportDefs.h>
+#endif
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#if defined(BUILDING_LIBCURL) || defined(CURL_STRICTER)
+typedef struct Curl_easy CURL;
+typedef struct Curl_share CURLSH;
+#else
+typedef void CURL;
+typedef void CURLSH;
+#endif
+
+/*
+ * libcurl external API function linkage decorations.
+ */
+
+#ifdef CURL_STATICLIB
+#  define CURL_EXTERN
+#elif defined(WIN32) || defined(_WIN32) || defined(__SYMBIAN32__)
+#  if defined(BUILDING_LIBCURL)
+#    define CURL_EXTERN  __declspec(dllexport)
+#  else
+#    define CURL_EXTERN  __declspec(dllimport)
+#  endif
+#elif defined(BUILDING_LIBCURL) && defined(CURL_HIDDEN_SYMBOLS)
+#  define CURL_EXTERN CURL_EXTERN_SYMBOL
+#else
+#  define CURL_EXTERN
+#endif
+
+#ifndef curl_socket_typedef
+/* socket typedef */
+#if defined(WIN32) && !defined(__LWIP_OPT_H__) && !defined(LWIP_HDR_OPT_H)
+typedef SOCKET curl_socket_t;
+#define CURL_SOCKET_BAD INVALID_SOCKET
+#else
+typedef int curl_socket_t;
+#define CURL_SOCKET_BAD -1
+#endif
+#define curl_socket_typedef
+#endif /* curl_socket_typedef */
+
+/* enum for the different supported SSL backends */
+typedef enum {
+  CURLSSLBACKEND_NONE = 0,
+  CURLSSLBACKEND_OPENSSL = 1,
+  CURLSSLBACKEND_GNUTLS = 2,
+  CURLSSLBACKEND_NSS = 3,
+  CURLSSLBACKEND_OBSOLETE4 = 4,  /* Was QSOSSL. */
+  CURLSSLBACKEND_GSKIT = 5,
+  CURLSSLBACKEND_POLARSSL = 6,
+  CURLSSLBACKEND_WOLFSSL = 7,
+  CURLSSLBACKEND_SCHANNEL = 8,
+  CURLSSLBACKEND_DARWINSSL = 9,
+  CURLSSLBACKEND_AXTLS = 10, /* never used since 7.63.0 */
+  CURLSSLBACKEND_MBEDTLS = 11,
+  CURLSSLBACKEND_MESALINK = 12
+} curl_sslbackend;
+
+/* aliases for library clones and renames */
+#define CURLSSLBACKEND_LIBRESSL CURLSSLBACKEND_OPENSSL
+#define CURLSSLBACKEND_BORINGSSL CURLSSLBACKEND_OPENSSL
+#define CURLSSLBACKEND_CYASSL CURLSSLBACKEND_WOLFSSL
+
+struct curl_httppost {
+  struct curl_httppost *next;       /* next entry in the list */
+  char *name;                       /* pointer to allocated name */
+  long namelength;                  /* length of name length */
+  char *contents;                   /* pointer to allocated data contents */
+  long contentslength;              /* length of contents field, see also
+                                       CURL_HTTPPOST_LARGE */
+  char *buffer;                     /* pointer to allocated buffer contents */
+  long bufferlength;                /* length of buffer field */
+  char *contenttype;                /* Content-Type */
+  struct curl_slist *contentheader; /* list of extra headers for this form */
+  struct curl_httppost *more;       /* if one field name has more than one
+                                       file, this link should link to following
+                                       files */
+  long flags;                       /* as defined below */
+
+/* specified content is a file name */
+#define CURL_HTTPPOST_FILENAME (1<<0)
+/* specified content is a file name */
+#define CURL_HTTPPOST_READFILE (1<<1)
+/* name is only stored pointer do not free in formfree */
+#define CURL_HTTPPOST_PTRNAME (1<<2)
+/* contents is only stored pointer do not free in formfree */
+#define CURL_HTTPPOST_PTRCONTENTS (1<<3)
+/* upload file from buffer */
+#define CURL_HTTPPOST_BUFFER (1<<4)
+/* upload file from pointer contents */
+#define CURL_HTTPPOST_PTRBUFFER (1<<5)
+/* upload file contents by using the regular read callback to get the data and
+   pass the given pointer as custom pointer */
+#define CURL_HTTPPOST_CALLBACK (1<<6)
+/* use size in 'contentlen', added in 7.46.0 */
+#define CURL_HTTPPOST_LARGE (1<<7)
+
+  char *showfilename;               /* The file name to show. If not set, the
+                                       actual file name will be used (if this
+                                       is a file part) */
+  void *userp;                      /* custom pointer used for
+                                       HTTPPOST_CALLBACK posts */
+  curl_off_t contentlen;            /* alternative length of contents
+                                       field. Used if CURL_HTTPPOST_LARGE is
+                                       set. Added in 7.46.0 */
+};
+
+/* This is the CURLOPT_PROGRESSFUNCTION callback proto. It is now considered
+   deprecated but was the only choice up until 7.31.0 */
+typedef int (*curl_progress_callback)(void *clientp,
+                                      double dltotal,
+                                      double dlnow,
+                                      double ultotal,
+                                      double ulnow);
+
+/* This is the CURLOPT_XFERINFOFUNCTION callback proto. It was introduced in
+   7.32.0, it avoids floating point and provides more detailed information. */
+typedef int (*curl_xferinfo_callback)(void *clientp,
+                                      curl_off_t dltotal,
+                                      curl_off_t dlnow,
+                                      curl_off_t ultotal,
+                                      curl_off_t ulnow);
+
+#ifndef CURL_MAX_READ_SIZE
+  /* The maximum receive buffer size configurable via CURLOPT_BUFFERSIZE. */
+#define CURL_MAX_READ_SIZE 524288
+#endif
+
+#ifndef CURL_MAX_WRITE_SIZE
+  /* Tests have proven that 20K is a very bad buffer size for uploads on
+     Windows, while 16K for some odd reason performed a lot better.
+     We do the ifndef check to allow this value to easier be changed at build
+     time for those who feel adventurous. The practical minimum is about
+     400 bytes since libcurl uses a buffer of this size as a scratch area
+     (unrelated to network send operations). */
+#define CURL_MAX_WRITE_SIZE 16384
+#endif
+
+#ifndef CURL_MAX_HTTP_HEADER
+/* The only reason to have a max limit for this is to avoid the risk of a bad
+   server feeding libcurl with a never-ending header that will cause reallocs
+   infinitely */
+#define CURL_MAX_HTTP_HEADER (100*1024)
+#endif
+
+/* This is a magic return code for the write callback that, when returned,
+   will signal libcurl to pause receiving on the current transfer. */
+#define CURL_WRITEFUNC_PAUSE 0x10000001
+
+typedef size_t (*curl_write_callback)(char *buffer,
+                                      size_t size,
+                                      size_t nitems,
+                                      void *outstream);
+
+/* This callback will be called when a new resolver request is made */
+typedef int (*curl_resolver_start_callback)(void *resolver_state,
+                                            void *reserved, void *userdata);
+
+/* enumeration of file types */
+typedef enum {
+  CURLFILETYPE_FILE = 0,
+  CURLFILETYPE_DIRECTORY,
+  CURLFILETYPE_SYMLINK,
+  CURLFILETYPE_DEVICE_BLOCK,
+  CURLFILETYPE_DEVICE_CHAR,
+  CURLFILETYPE_NAMEDPIPE,
+  CURLFILETYPE_SOCKET,
+  CURLFILETYPE_DOOR, /* is possible only on Sun Solaris now */
+
+  CURLFILETYPE_UNKNOWN /* should never occur */
+} curlfiletype;
+
+#define CURLFINFOFLAG_KNOWN_FILENAME    (1<<0)
+#define CURLFINFOFLAG_KNOWN_FILETYPE    (1<<1)
+#define CURLFINFOFLAG_KNOWN_TIME        (1<<2)
+#define CURLFINFOFLAG_KNOWN_PERM        (1<<3)
+#define CURLFINFOFLAG_KNOWN_UID         (1<<4)
+#define CURLFINFOFLAG_KNOWN_GID         (1<<5)
+#define CURLFINFOFLAG_KNOWN_SIZE        (1<<6)
+#define CURLFINFOFLAG_KNOWN_HLINKCOUNT  (1<<7)
+
+/* Content of this structure depends on information which is known and is
+   achievable (e.g. by FTP LIST parsing). Please see the url_easy_setopt(3) man
+   page for callbacks returning this structure -- some fields are mandatory,
+   some others are optional. The FLAG field has special meaning. */
+struct curl_fileinfo {
+  char *filename;
+  curlfiletype filetype;
+  time_t time;
+  unsigned int perm;
+  int uid;
+  int gid;
+  curl_off_t size;
+  long int hardlinks;
+
+  struct {
+    /* If some of these fields is not NULL, it is a pointer to b_data. */
+    char *time;
+    char *perm;
+    char *user;
+    char *group;
+    char *target; /* pointer to the target filename of a symlink */
+  } strings;
+
+  unsigned int flags;
+
+  /* used internally */
+  char *b_data;
+  size_t b_size;
+  size_t b_used;
+};
+
+/* return codes for CURLOPT_CHUNK_BGN_FUNCTION */
+#define CURL_CHUNK_BGN_FUNC_OK      0
+#define CURL_CHUNK_BGN_FUNC_FAIL    1 /* tell the lib to end the task */
+#define CURL_CHUNK_BGN_FUNC_SKIP    2 /* skip this chunk over */
+
+/* if splitting of data transfer is enabled, this callback is called before
+   download of an individual chunk started. Note that parameter "remains" works
+   only for FTP wildcard downloading (for now), otherwise is not used */
+typedef long (*curl_chunk_bgn_callback)(const void *transfer_info,
+                                        void *ptr,
+                                        int remains);
+
+/* return codes for CURLOPT_CHUNK_END_FUNCTION */
+#define CURL_CHUNK_END_FUNC_OK      0
+#define CURL_CHUNK_END_FUNC_FAIL    1 /* tell the lib to end the task */
+
+/* If splitting of data transfer is enabled this callback is called after
+   download of an individual chunk finished.
+   Note! After this callback was set then it have to be called FOR ALL chunks.
+   Even if downloading of this chunk was skipped in CHUNK_BGN_FUNC.
+   This is the reason why we don't need "transfer_info" parameter in this
+   callback and we are not interested in "remains" parameter too. */
+typedef long (*curl_chunk_end_callback)(void *ptr);
+
+/* return codes for FNMATCHFUNCTION */
+#define CURL_FNMATCHFUNC_MATCH    0 /* string corresponds to the pattern */
+#define CURL_FNMATCHFUNC_NOMATCH  1 /* pattern doesn't match the string */
+#define CURL_FNMATCHFUNC_FAIL     2 /* an error occurred */
+
+/* callback type for wildcard downloading pattern matching. If the
+   string matches the pattern, return CURL_FNMATCHFUNC_MATCH value, etc. */
+typedef int (*curl_fnmatch_callback)(void *ptr,
+                                     const char *pattern,
+                                     const char *string);
+
+/* These are the return codes for the seek callbacks */
+#define CURL_SEEKFUNC_OK       0
+#define CURL_SEEKFUNC_FAIL     1 /* fail the entire transfer */
+#define CURL_SEEKFUNC_CANTSEEK 2 /* tell libcurl seeking can't be done, so
+                                    libcurl might try other means instead */
+typedef int (*curl_seek_callback)(void *instream,
+                                  curl_off_t offset,
+                                  int origin); /* 'whence' */
+
+/* This is a return code for the read callback that, when returned, will
+   signal libcurl to immediately abort the current transfer. */
+#define CURL_READFUNC_ABORT 0x10000000
+/* This is a return code for the read callback that, when returned, will
+   signal libcurl to pause sending data on the current transfer. */
+#define CURL_READFUNC_PAUSE 0x10000001
+
+/* Return code for when the trailing headers' callback has terminated
+   without any errors*/
+#define CURL_TRAILERFUNC_OK 0
+/* Return code for when was an error in the trailing header's list and we
+  want to abort the request */
+#define CURL_TRAILERFUNC_ABORT 1
+
+typedef size_t (*curl_read_callback)(char *buffer,
+                                      size_t size,
+                                      size_t nitems,
+                                      void *instream);
+
+typedef int (*curl_trailer_callback)(struct curl_slist **list,
+                                      void *userdata);
+
+typedef enum {
+  CURLSOCKTYPE_IPCXN,  /* socket created for a specific IP connection */
+  CURLSOCKTYPE_ACCEPT, /* socket created by accept() call */
+  CURLSOCKTYPE_LAST    /* never use */
+} curlsocktype;
+
+/* The return code from the sockopt_callback can signal information back
+   to libcurl: */
+#define CURL_SOCKOPT_OK 0
+#define CURL_SOCKOPT_ERROR 1 /* causes libcurl to abort and return
+                                CURLE_ABORTED_BY_CALLBACK */
+#define CURL_SOCKOPT_ALREADY_CONNECTED 2
+
+typedef int (*curl_sockopt_callback)(void *clientp,
+                                     curl_socket_t curlfd,
+                                     curlsocktype purpose);
+
+struct curl_sockaddr {
+  int family;
+  int socktype;
+  int protocol;
+  unsigned int addrlen; /* addrlen was a socklen_t type before 7.18.0 but it
+                           turned really ugly and painful on the systems that
+                           lack this type */
+  struct sockaddr addr;
+};
+
+typedef curl_socket_t
+(*curl_opensocket_callback)(void *clientp,
+                            curlsocktype purpose,
+                            struct curl_sockaddr *address);
+
+typedef int
+(*curl_closesocket_callback)(void *clientp, curl_socket_t item);
+
+typedef enum {
+  CURLIOE_OK,            /* I/O operation successful */
+  CURLIOE_UNKNOWNCMD,    /* command was unknown to callback */
+  CURLIOE_FAILRESTART,   /* failed to restart the read */
+  CURLIOE_LAST           /* never use */
+} curlioerr;
+
+typedef enum {
+  CURLIOCMD_NOP,         /* no operation */
+  CURLIOCMD_RESTARTREAD, /* restart the read stream from start */
+  CURLIOCMD_LAST         /* never use */
+} curliocmd;
+
+typedef curlioerr (*curl_ioctl_callback)(CURL *handle,
+                                         int cmd,
+                                         void *clientp);
+
+#ifndef CURL_DID_MEMORY_FUNC_TYPEDEFS
+/*
+ * The following typedef's are signatures of malloc, free, realloc, strdup and
+ * calloc respectively.  Function pointers of these types can be passed to the
+ * curl_global_init_mem() function to set user defined memory management
+ * callback routines.
+ */
+typedef void *(*curl_malloc_callback)(size_t size);
+typedef void (*curl_free_callback)(void *ptr);
+typedef void *(*curl_realloc_callback)(void *ptr, size_t size);
+typedef char *(*curl_strdup_callback)(const char *str);
+typedef void *(*curl_calloc_callback)(size_t nmemb, size_t size);
+
+#define CURL_DID_MEMORY_FUNC_TYPEDEFS
+#endif
+
+/* the kind of data that is passed to information_callback*/
+typedef enum {
+  CURLINFO_TEXT = 0,
+  CURLINFO_HEADER_IN,    /* 1 */
+  CURLINFO_HEADER_OUT,   /* 2 */
+  CURLINFO_DATA_IN,      /* 3 */
+  CURLINFO_DATA_OUT,     /* 4 */
+  CURLINFO_SSL_DATA_IN,  /* 5 */
+  CURLINFO_SSL_DATA_OUT, /* 6 */
+  CURLINFO_END
+} curl_infotype;
+
+typedef int (*curl_debug_callback)
+       (CURL *handle,      /* the handle/transfer this concerns */
+        curl_infotype type, /* what kind of data */
+        char *data,        /* points to the data */
+        size_t size,       /* size of the data pointed to */
+        void *userptr);    /* whatever the user please */
+
+/* All possible error codes from all sorts of curl functions. Future versions
+   may return other values, stay prepared.
+
+   Always add new return codes last. Never *EVER* remove any. The return
+   codes must remain the same!
+ */
+
+typedef enum {
+  CURLE_OK = 0,
+  CURLE_UNSUPPORTED_PROTOCOL,    /* 1 */
+  CURLE_FAILED_INIT,             /* 2 */
+  CURLE_URL_MALFORMAT,           /* 3 */
+  CURLE_NOT_BUILT_IN,            /* 4 - [was obsoleted in August 2007 for
+                                    7.17.0, reused in April 2011 for 7.21.5] */
+  CURLE_COULDNT_RESOLVE_PROXY,   /* 5 */
+  CURLE_COULDNT_RESOLVE_HOST,    /* 6 */
+  CURLE_COULDNT_CONNECT,         /* 7 */
+  CURLE_WEIRD_SERVER_REPLY,      /* 8 */
+  CURLE_REMOTE_ACCESS_DENIED,    /* 9 a service was denied by the server
+                                    due to lack of access - when login fails
+                                    this is not returned. */
+  CURLE_FTP_ACCEPT_FAILED,       /* 10 - [was obsoleted in April 2006 for
+                                    7.15.4, reused in Dec 2011 for 7.24.0]*/
+  CURLE_FTP_WEIRD_PASS_REPLY,    /* 11 */
+  CURLE_FTP_ACCEPT_TIMEOUT,      /* 12 - timeout occurred accepting server
+                                    [was obsoleted in August 2007 for 7.17.0,
+                                    reused in Dec 2011 for 7.24.0]*/
+  CURLE_FTP_WEIRD_PASV_REPLY,    /* 13 */
+  CURLE_FTP_WEIRD_227_FORMAT,    /* 14 */
+  CURLE_FTP_CANT_GET_HOST,       /* 15 */
+  CURLE_HTTP2,                   /* 16 - A problem in the http2 framing layer.
+                                    [was obsoleted in August 2007 for 7.17.0,
+                                    reused in July 2014 for 7.38.0] */
+  CURLE_FTP_COULDNT_SET_TYPE,    /* 17 */
+  CURLE_PARTIAL_FILE,            /* 18 */
+  CURLE_FTP_COULDNT_RETR_FILE,   /* 19 */
+  CURLE_OBSOLETE20,              /* 20 - NOT USED */
+  CURLE_QUOTE_ERROR,             /* 21 - quote command failure */
+  CURLE_HTTP_RETURNED_ERROR,     /* 22 */
+  CURLE_WRITE_ERROR,             /* 23 */
+  CURLE_OBSOLETE24,              /* 24 - NOT USED */
+  CURLE_UPLOAD_FAILED,           /* 25 - failed upload "command" */
+  CURLE_READ_ERROR,              /* 26 - couldn't open/read from file */
+  CURLE_OUT_OF_MEMORY,           /* 27 */
+  /* Note: CURLE_OUT_OF_MEMORY may sometimes indicate a conversion error
+           instead of a memory allocation error if CURL_DOES_CONVERSIONS
+           is defined
+  */
+  CURLE_OPERATION_TIMEDOUT,      /* 28 - the timeout time was reached */
+  CURLE_OBSOLETE29,              /* 29 - NOT USED */
+  CURLE_FTP_PORT_FAILED,         /* 30 - FTP PORT operation failed */
+  CURLE_FTP_COULDNT_USE_REST,    /* 31 - the REST command failed */
+  CURLE_OBSOLETE32,              /* 32 - NOT USED */
+  CURLE_RANGE_ERROR,             /* 33 - RANGE "command" didn't work */
+  CURLE_HTTP_POST_ERROR,         /* 34 */
+  CURLE_SSL_CONNECT_ERROR,       /* 35 - wrong when connecting with SSL */
+  CURLE_BAD_DOWNLOAD_RESUME,     /* 36 - couldn't resume download */
+  CURLE_FILE_COULDNT_READ_FILE,  /* 37 */
+  CURLE_LDAP_CANNOT_BIND,        /* 38 */
+  CURLE_LDAP_SEARCH_FAILED,      /* 39 */
+  CURLE_OBSOLETE40,              /* 40 - NOT USED */
+  CURLE_FUNCTION_NOT_FOUND,      /* 41 - NOT USED starting with 7.53.0 */
+  CURLE_ABORTED_BY_CALLBACK,     /* 42 */
+  CURLE_BAD_FUNCTION_ARGUMENT,   /* 43 */
+  CURLE_OBSOLETE44,              /* 44 - NOT USED */
+  CURLE_INTERFACE_FAILED,        /* 45 - CURLOPT_INTERFACE failed */
+  CURLE_OBSOLETE46,              /* 46 - NOT USED */
+  CURLE_TOO_MANY_REDIRECTS,      /* 47 - catch endless re-direct loops */
+  CURLE_UNKNOWN_OPTION,          /* 48 - User specified an unknown option */
+  CURLE_TELNET_OPTION_SYNTAX,    /* 49 - Malformed telnet option */
+  CURLE_OBSOLETE50,              /* 50 - NOT USED */
+  CURLE_OBSOLETE51,              /* 51 - NOT USED */
+  CURLE_GOT_NOTHING,             /* 52 - when this is a specific error */
+  CURLE_SSL_ENGINE_NOTFOUND,     /* 53 - SSL crypto engine not found */
+  CURLE_SSL_ENGINE_SETFAILED,    /* 54 - can not set SSL crypto engine as
+                                    default */
+  CURLE_SEND_ERROR,              /* 55 - failed sending network data */
+  CURLE_RECV_ERROR,              /* 56 - failure in receiving network data */
+  CURLE_OBSOLETE57,              /* 57 - NOT IN USE */
+  CURLE_SSL_CERTPROBLEM,         /* 58 - problem with the local certificate */
+  CURLE_SSL_CIPHER,              /* 59 - couldn't use specified cipher */
+  CURLE_PEER_FAILED_VERIFICATION, /* 60 - peer's certificate or fingerprint
+                                     wasn't verified fine */
+  CURLE_BAD_CONTENT_ENCODING,    /* 61 - Unrecognized/bad encoding */
+  CURLE_LDAP_INVALID_URL,        /* 62 - Invalid LDAP URL */
+  CURLE_FILESIZE_EXCEEDED,       /* 63 - Maximum file size exceeded */
+  CURLE_USE_SSL_FAILED,          /* 64 - Requested FTP SSL level failed */
+  CURLE_SEND_FAIL_REWIND,        /* 65 - Sending the data requires a rewind
+                                    that failed */
+  CURLE_SSL_ENGINE_INITFAILED,   /* 66 - failed to initialise ENGINE */
+  CURLE_LOGIN_DENIED,            /* 67 - user, password or similar was not
+                                    accepted and we failed to login */
+  CURLE_TFTP_NOTFOUND,           /* 68 - file not found on server */
+  CURLE_TFTP_PERM,               /* 69 - permission problem on server */
+  CURLE_REMOTE_DISK_FULL,        /* 70 - out of disk space on server */
+  CURLE_TFTP_ILLEGAL,            /* 71 - Illegal TFTP operation */
+  CURLE_TFTP_UNKNOWNID,          /* 72 - Unknown transfer ID */
+  CURLE_REMOTE_FILE_EXISTS,      /* 73 - File already exists */
+  CURLE_TFTP_NOSUCHUSER,         /* 74 - No such user */
+  CURLE_CONV_FAILED,             /* 75 - conversion failed */
+  CURLE_CONV_REQD,               /* 76 - caller must register conversion
+                                    callbacks using curl_easy_setopt options
+                                    CURLOPT_CONV_FROM_NETWORK_FUNCTION,
+                                    CURLOPT_CONV_TO_NETWORK_FUNCTION, and
+                                    CURLOPT_CONV_FROM_UTF8_FUNCTION */
+  CURLE_SSL_CACERT_BADFILE,      /* 77 - could not load CACERT file, missing
+                                    or wrong format */
+  CURLE_REMOTE_FILE_NOT_FOUND,   /* 78 - remote file not found */
+  CURLE_SSH,                     /* 79 - error from the SSH layer, somewhat
+                                    generic so the error message will be of
+                                    interest when this has happened */
+
+  CURLE_SSL_SHUTDOWN_FAILED,     /* 80 - Failed to shut down the SSL
+                                    connection */
+  CURLE_AGAIN,                   /* 81 - socket is not ready for send/recv,
+                                    wait till it's ready and try again (Added
+                                    in 7.18.2) */
+  CURLE_SSL_CRL_BADFILE,         /* 82 - could not load CRL file, missing or
+                                    wrong format (Added in 7.19.0) */
+  CURLE_SSL_ISSUER_ERROR,        /* 83 - Issuer check failed.  (Added in
+                                    7.19.0) */
+  CURLE_FTP_PRET_FAILED,         /* 84 - a PRET command failed */
+  CURLE_RTSP_CSEQ_ERROR,         /* 85 - mismatch of RTSP CSeq numbers */
+  CURLE_RTSP_SESSION_ERROR,      /* 86 - mismatch of RTSP Session Ids */
+  CURLE_FTP_BAD_FILE_LIST,       /* 87 - unable to parse FTP file list */
+  CURLE_CHUNK_FAILED,            /* 88 - chunk callback reported error */
+  CURLE_NO_CONNECTION_AVAILABLE, /* 89 - No connection available, the
+                                    session will be queued */
+  CURLE_SSL_PINNEDPUBKEYNOTMATCH, /* 90 - specified pinned public key did not
+                                     match */
+  CURLE_SSL_INVALIDCERTSTATUS,   /* 91 - invalid certificate status */
+  CURLE_HTTP2_STREAM,            /* 92 - stream error in HTTP/2 framing layer
+                                    */
+  CURLE_RECURSIVE_API_CALL,      /* 93 - an api function was called from
+                                    inside a callback */
+  CURL_LAST /* never use! */
+} CURLcode;
+
+#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
+                          the obsolete stuff removed! */
+
+/* Previously obsolete error code re-used in 7.38.0 */
+#define CURLE_OBSOLETE16 CURLE_HTTP2
+
+/* Previously obsolete error codes re-used in 7.24.0 */
+#define CURLE_OBSOLETE10 CURLE_FTP_ACCEPT_FAILED
+#define CURLE_OBSOLETE12 CURLE_FTP_ACCEPT_TIMEOUT
+
+/*  compatibility with older names */
+#define CURLOPT_ENCODING CURLOPT_ACCEPT_ENCODING
+#define CURLE_FTP_WEIRD_SERVER_REPLY CURLE_WEIRD_SERVER_REPLY
+
+/* The following were added in 7.62.0 */
+#define CURLE_SSL_CACERT CURLE_PEER_FAILED_VERIFICATION
+
+/* The following were added in 7.21.5, April 2011 */
+#define CURLE_UNKNOWN_TELNET_OPTION CURLE_UNKNOWN_OPTION
+
+/* The following were added in 7.17.1 */
+/* These are scheduled to disappear by 2009 */
+#define CURLE_SSL_PEER_CERTIFICATE CURLE_PEER_FAILED_VERIFICATION
+
+/* The following were added in 7.17.0 */
+/* These are scheduled to disappear by 2009 */
+#define CURLE_OBSOLETE CURLE_OBSOLETE50 /* no one should be using this! */
+#define CURLE_BAD_PASSWORD_ENTERED CURLE_OBSOLETE46
+#define CURLE_BAD_CALLING_ORDER CURLE_OBSOLETE44
+#define CURLE_FTP_USER_PASSWORD_INCORRECT CURLE_OBSOLETE10
+#define CURLE_FTP_CANT_RECONNECT CURLE_OBSOLETE16
+#define CURLE_FTP_COULDNT_GET_SIZE CURLE_OBSOLETE32
+#define CURLE_FTP_COULDNT_SET_ASCII CURLE_OBSOLETE29
+#define CURLE_FTP_WEIRD_USER_REPLY CURLE_OBSOLETE12
+#define CURLE_FTP_WRITE_ERROR CURLE_OBSOLETE20
+#define CURLE_LIBRARY_NOT_FOUND CURLE_OBSOLETE40
+#define CURLE_MALFORMAT_USER CURLE_OBSOLETE24
+#define CURLE_SHARE_IN_USE CURLE_OBSOLETE57
+#define CURLE_URL_MALFORMAT_USER CURLE_NOT_BUILT_IN
+
+#define CURLE_FTP_ACCESS_DENIED CURLE_REMOTE_ACCESS_DENIED
+#define CURLE_FTP_COULDNT_SET_BINARY CURLE_FTP_COULDNT_SET_TYPE
+#define CURLE_FTP_QUOTE_ERROR CURLE_QUOTE_ERROR
+#define CURLE_TFTP_DISKFULL CURLE_REMOTE_DISK_FULL
+#define CURLE_TFTP_EXISTS CURLE_REMOTE_FILE_EXISTS
+#define CURLE_HTTP_RANGE_ERROR CURLE_RANGE_ERROR
+#define CURLE_FTP_SSL_FAILED CURLE_USE_SSL_FAILED
+
+/* The following were added earlier */
+
+#define CURLE_OPERATION_TIMEOUTED CURLE_OPERATION_TIMEDOUT
+
+#define CURLE_HTTP_NOT_FOUND CURLE_HTTP_RETURNED_ERROR
+#define CURLE_HTTP_PORT_FAILED CURLE_INTERFACE_FAILED
+#define CURLE_FTP_COULDNT_STOR_FILE CURLE_UPLOAD_FAILED
+
+#define CURLE_FTP_PARTIAL_FILE CURLE_PARTIAL_FILE
+#define CURLE_FTP_BAD_DOWNLOAD_RESUME CURLE_BAD_DOWNLOAD_RESUME
+
+/* This was the error code 50 in 7.7.3 and a few earlier versions, this
+   is no longer used by libcurl but is instead #defined here only to not
+   make programs break */
+#define CURLE_ALREADY_COMPLETE 99999
+
+/* Provide defines for really old option names */
+#define CURLOPT_FILE CURLOPT_WRITEDATA /* name changed in 7.9.7 */
+#define CURLOPT_INFILE CURLOPT_READDATA /* name changed in 7.9.7 */
+#define CURLOPT_WRITEHEADER CURLOPT_HEADERDATA
+
+/* Since long deprecated options with no code in the lib that does anything
+   with them. */
+#define CURLOPT_WRITEINFO CURLOPT_OBSOLETE40
+#define CURLOPT_CLOSEPOLICY CURLOPT_OBSOLETE72
+
+#endif /*!CURL_NO_OLDIES*/
+
+/* This prototype applies to all conversion callbacks */
+typedef CURLcode (*curl_conv_callback)(char *buffer, size_t length);
+
+typedef CURLcode (*curl_ssl_ctx_callback)(CURL *curl,    /* easy handle */
+                                          void *ssl_ctx, /* actually an
+                                                            OpenSSL SSL_CTX */
+                                          void *userptr);
+
+typedef enum {
+  CURLPROXY_HTTP = 0,   /* added in 7.10, new in 7.19.4 default is to use
+                           CONNECT HTTP/1.1 */
+  CURLPROXY_HTTP_1_0 = 1,   /* added in 7.19.4, force to use CONNECT
+                               HTTP/1.0  */
+  CURLPROXY_HTTPS = 2, /* added in 7.52.0 */
+  CURLPROXY_SOCKS4 = 4, /* support added in 7.15.2, enum existed already
+                           in 7.10 */
+  CURLPROXY_SOCKS5 = 5, /* added in 7.10 */
+  CURLPROXY_SOCKS4A = 6, /* added in 7.18.0 */
+  CURLPROXY_SOCKS5_HOSTNAME = 7 /* Use the SOCKS5 protocol but pass along the
+                                   host name rather than the IP address. added
+                                   in 7.18.0 */
+} curl_proxytype;  /* this enum was added in 7.10 */
+
+/*
+ * Bitmasks for CURLOPT_HTTPAUTH and CURLOPT_PROXYAUTH options:
+ *
+ * CURLAUTH_NONE         - No HTTP authentication
+ * CURLAUTH_BASIC        - HTTP Basic authentication (default)
+ * CURLAUTH_DIGEST       - HTTP Digest authentication
+ * CURLAUTH_NEGOTIATE    - HTTP Negotiate (SPNEGO) authentication
+ * CURLAUTH_GSSNEGOTIATE - Alias for CURLAUTH_NEGOTIATE (deprecated)
+ * CURLAUTH_NTLM         - HTTP NTLM authentication
+ * CURLAUTH_DIGEST_IE    - HTTP Digest authentication with IE flavour
+ * CURLAUTH_NTLM_WB      - HTTP NTLM authentication delegated to winbind helper
+ * CURLAUTH_BEARER       - HTTP Bearer token authentication
+ * CURLAUTH_ONLY         - Use together with a single other type to force no
+ *                         authentication or just that single type
+ * CURLAUTH_ANY          - All fine types set
+ * CURLAUTH_ANYSAFE      - All fine types except Basic
+ */
+
+#define CURLAUTH_NONE         ((unsigned long)0)
+#define CURLAUTH_BASIC        (((unsigned long)1)<<0)
+#define CURLAUTH_DIGEST       (((unsigned long)1)<<1)
+#define CURLAUTH_NEGOTIATE    (((unsigned long)1)<<2)
+/* Deprecated since the advent of CURLAUTH_NEGOTIATE */
+#define CURLAUTH_GSSNEGOTIATE CURLAUTH_NEGOTIATE
+/* Used for CURLOPT_SOCKS5_AUTH to stay terminologically correct */
+#define CURLAUTH_GSSAPI CURLAUTH_NEGOTIATE
+#define CURLAUTH_NTLM         (((unsigned long)1)<<3)
+#define CURLAUTH_DIGEST_IE    (((unsigned long)1)<<4)
+#define CURLAUTH_NTLM_WB      (((unsigned long)1)<<5)
+#define CURLAUTH_BEARER       (((unsigned long)1)<<6)
+#define CURLAUTH_ONLY         (((unsigned long)1)<<31)
+#define CURLAUTH_ANY          (~CURLAUTH_DIGEST_IE)
+#define CURLAUTH_ANYSAFE      (~(CURLAUTH_BASIC|CURLAUTH_DIGEST_IE))
+
+#define CURLSSH_AUTH_ANY       ~0     /* all types supported by the server */
+#define CURLSSH_AUTH_NONE      0      /* none allowed, silly but complete */
+#define CURLSSH_AUTH_PUBLICKEY (1<<0) /* public/private key files */
+#define CURLSSH_AUTH_PASSWORD  (1<<1) /* password */
+#define CURLSSH_AUTH_HOST      (1<<2) /* host key files */
+#define CURLSSH_AUTH_KEYBOARD  (1<<3) /* keyboard interactive */
+#define CURLSSH_AUTH_AGENT     (1<<4) /* agent (ssh-agent, pageant...) */
+#define CURLSSH_AUTH_GSSAPI    (1<<5) /* gssapi (kerberos, ...) */
+#define CURLSSH_AUTH_DEFAULT CURLSSH_AUTH_ANY
+
+#define CURLGSSAPI_DELEGATION_NONE        0      /* no delegation (default) */
+#define CURLGSSAPI_DELEGATION_POLICY_FLAG (1<<0) /* if permitted by policy */
+#define CURLGSSAPI_DELEGATION_FLAG        (1<<1) /* delegate always */
+
+#define CURL_ERROR_SIZE 256
+
+enum curl_khtype {
+  CURLKHTYPE_UNKNOWN,
+  CURLKHTYPE_RSA1,
+  CURLKHTYPE_RSA,
+  CURLKHTYPE_DSS,
+  CURLKHTYPE_ECDSA,
+  CURLKHTYPE_ED25519
+};
+
+struct curl_khkey {
+  const char *key; /* points to a zero-terminated string encoded with base64
+                      if len is zero, otherwise to the "raw" data */
+  size_t len;
+  enum curl_khtype keytype;
+};
+
+/* this is the set of return values expected from the curl_sshkeycallback
+   callback */
+enum curl_khstat {
+  CURLKHSTAT_FINE_ADD_TO_FILE,
+  CURLKHSTAT_FINE,
+  CURLKHSTAT_REJECT, /* reject the connection, return an error */
+  CURLKHSTAT_DEFER,  /* do not accept it, but we can't answer right now so
+                        this causes a CURLE_DEFER error but otherwise the
+                        connection will be left intact etc */
+  CURLKHSTAT_LAST    /* not for use, only a marker for last-in-list */
+};
+
+/* this is the set of status codes pass in to the callback */
+enum curl_khmatch {
+  CURLKHMATCH_OK,       /* match */
+  CURLKHMATCH_MISMATCH, /* host found, key mismatch! */
+  CURLKHMATCH_MISSING,  /* no matching host/key found */
+  CURLKHMATCH_LAST      /* not for use, only a marker for last-in-list */
+};
+
+typedef int
+  (*curl_sshkeycallback) (CURL *easy,     /* easy handle */
+                          const struct curl_khkey *knownkey, /* known */
+                          const struct curl_khkey *foundkey, /* found */
+                          enum curl_khmatch, /* libcurl's view on the keys */
+                          void *clientp); /* custom pointer passed from app */
+
+/* parameter for the CURLOPT_USE_SSL option */
+typedef enum {
+  CURLUSESSL_NONE,    /* do not attempt to use SSL */
+  CURLUSESSL_TRY,     /* try using SSL, proceed anyway otherwise */
+  CURLUSESSL_CONTROL, /* SSL for the control connection or fail */
+  CURLUSESSL_ALL,     /* SSL for all communication or fail */
+  CURLUSESSL_LAST     /* not an option, never use */
+} curl_usessl;
+
+/* Definition of bits for the CURLOPT_SSL_OPTIONS argument: */
+
+/* - ALLOW_BEAST tells libcurl to allow the BEAST SSL vulnerability in the
+   name of improving interoperability with older servers. Some SSL libraries
+   have introduced work-arounds for this flaw but those work-arounds sometimes
+   make the SSL communication fail. To regain functionality with those broken
+   servers, a user can this way allow the vulnerability back. */
+#define CURLSSLOPT_ALLOW_BEAST (1<<0)
+
+/* - NO_REVOKE tells libcurl to disable certificate revocation checks for those
+   SSL backends where such behavior is present. */
+#define CURLSSLOPT_NO_REVOKE (1<<1)
+
+/* The default connection attempt delay in milliseconds for happy eyeballs.
+   CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS.3 and happy-eyeballs-timeout-ms.d document
+   this value, keep them in sync. */
+#define CURL_HET_DEFAULT 200L
+
+/* The default connection upkeep interval in milliseconds. */
+#define CURL_UPKEEP_INTERVAL_DEFAULT 60000L
+
+#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
+                          the obsolete stuff removed! */
+
+/* Backwards compatibility with older names */
+/* These are scheduled to disappear by 2009 */
+
+#define CURLFTPSSL_NONE CURLUSESSL_NONE
+#define CURLFTPSSL_TRY CURLUSESSL_TRY
+#define CURLFTPSSL_CONTROL CURLUSESSL_CONTROL
+#define CURLFTPSSL_ALL CURLUSESSL_ALL
+#define CURLFTPSSL_LAST CURLUSESSL_LAST
+#define curl_ftpssl curl_usessl
+#endif /*!CURL_NO_OLDIES*/
+
+/* parameter for the CURLOPT_FTP_SSL_CCC option */
+typedef enum {
+  CURLFTPSSL_CCC_NONE,    /* do not send CCC */
+  CURLFTPSSL_CCC_PASSIVE, /* Let the server initiate the shutdown */
+  CURLFTPSSL_CCC_ACTIVE,  /* Initiate the shutdown */
+  CURLFTPSSL_CCC_LAST     /* not an option, never use */
+} curl_ftpccc;
+
+/* parameter for the CURLOPT_FTPSSLAUTH option */
+typedef enum {
+  CURLFTPAUTH_DEFAULT, /* let libcurl decide */
+  CURLFTPAUTH_SSL,     /* use "AUTH SSL" */
+  CURLFTPAUTH_TLS,     /* use "AUTH TLS" */
+  CURLFTPAUTH_LAST /* not an option, never use */
+} curl_ftpauth;
+
+/* parameter for the CURLOPT_FTP_CREATE_MISSING_DIRS option */
+typedef enum {
+  CURLFTP_CREATE_DIR_NONE,  /* do NOT create missing dirs! */
+  CURLFTP_CREATE_DIR,       /* (FTP/SFTP) if CWD fails, try MKD and then CWD
+                               again if MKD succeeded, for SFTP this does
+                               similar magic */
+  CURLFTP_CREATE_DIR_RETRY, /* (FTP only) if CWD fails, try MKD and then CWD
+                               again even if MKD failed! */
+  CURLFTP_CREATE_DIR_LAST   /* not an option, never use */
+} curl_ftpcreatedir;
+
+/* parameter for the CURLOPT_FTP_FILEMETHOD option */
+typedef enum {
+  CURLFTPMETHOD_DEFAULT,   /* let libcurl pick */
+  CURLFTPMETHOD_MULTICWD,  /* single CWD operation for each path part */
+  CURLFTPMETHOD_NOCWD,     /* no CWD at all */
+  CURLFTPMETHOD_SINGLECWD, /* one CWD to full dir, then work on file */
+  CURLFTPMETHOD_LAST       /* not an option, never use */
+} curl_ftpmethod;
+
+/* bitmask defines for CURLOPT_HEADEROPT */
+#define CURLHEADER_UNIFIED  0
+#define CURLHEADER_SEPARATE (1<<0)
+
+/* CURLPROTO_ defines are for the CURLOPT_*PROTOCOLS options */
+#define CURLPROTO_HTTP   (1<<0)
+#define CURLPROTO_HTTPS  (1<<1)
+#define CURLPROTO_FTP    (1<<2)
+#define CURLPROTO_FTPS   (1<<3)
+#define CURLPROTO_SCP    (1<<4)
+#define CURLPROTO_SFTP   (1<<5)
+#define CURLPROTO_TELNET (1<<6)
+#define CURLPROTO_LDAP   (1<<7)
+#define CURLPROTO_LDAPS  (1<<8)
+#define CURLPROTO_DICT   (1<<9)
+#define CURLPROTO_FILE   (1<<10)
+#define CURLPROTO_TFTP   (1<<11)
+#define CURLPROTO_IMAP   (1<<12)
+#define CURLPROTO_IMAPS  (1<<13)
+#define CURLPROTO_POP3   (1<<14)
+#define CURLPROTO_POP3S  (1<<15)
+#define CURLPROTO_SMTP   (1<<16)
+#define CURLPROTO_SMTPS  (1<<17)
+#define CURLPROTO_RTSP   (1<<18)
+#define CURLPROTO_RTMP   (1<<19)
+#define CURLPROTO_RTMPT  (1<<20)
+#define CURLPROTO_RTMPE  (1<<21)
+#define CURLPROTO_RTMPTE (1<<22)
+#define CURLPROTO_RTMPS  (1<<23)
+#define CURLPROTO_RTMPTS (1<<24)
+#define CURLPROTO_GOPHER (1<<25)
+#define CURLPROTO_SMB    (1<<26)
+#define CURLPROTO_SMBS   (1<<27)
+#define CURLPROTO_ALL    (~0) /* enable everything */
+
+/* long may be 32 or 64 bits, but we should never depend on anything else
+   but 32 */
+#define CURLOPTTYPE_LONG          0
+#define CURLOPTTYPE_OBJECTPOINT   10000
+#define CURLOPTTYPE_STRINGPOINT   10000
+#define CURLOPTTYPE_FUNCTIONPOINT 20000
+#define CURLOPTTYPE_OFF_T         30000
+
+/* *STRINGPOINT is an alias for OBJECTPOINT to allow tools to extract the
+   string options from the header file */
+
+/* name is uppercase CURLOPT_<name>,
+   type is one of the defined CURLOPTTYPE_<type>
+   number is unique identifier */
+#ifdef CINIT
+#undef CINIT
+#endif
+
+#ifdef CURL_ISOCPP
+#define CINIT(na,t,nu) CURLOPT_ ## na = CURLOPTTYPE_ ## t + nu
+#else
+/* The macro "##" is ISO C, we assume pre-ISO C doesn't support it. */
+#define LONG          CURLOPTTYPE_LONG
+#define OBJECTPOINT   CURLOPTTYPE_OBJECTPOINT
+#define STRINGPOINT   CURLOPTTYPE_OBJECTPOINT
+#define FUNCTIONPOINT CURLOPTTYPE_FUNCTIONPOINT
+#define OFF_T         CURLOPTTYPE_OFF_T
+#define CINIT(name,type,number) CURLOPT_/**/name = type + number
+#endif
+
+/*
+ * This macro-mania below setups the CURLOPT_[what] enum, to be used with
+ * curl_easy_setopt(). The first argument in the CINIT() macro is the [what]
+ * word.
+ */
+
+typedef enum {
+  /* This is the FILE * or void * the regular output should be written to. */
+  CINIT(WRITEDATA, OBJECTPOINT, 1),
+
+  /* The full URL to get/put */
+  CINIT(URL, STRINGPOINT, 2),
+
+  /* Port number to connect to, if other than default. */
+  CINIT(PORT, LONG, 3),
+
+  /* Name of proxy to use. */
+  CINIT(PROXY, STRINGPOINT, 4),
+
+  /* "user:password;options" to use when fetching. */
+  CINIT(USERPWD, STRINGPOINT, 5),
+
+  /* "user:password" to use with proxy. */
+  CINIT(PROXYUSERPWD, STRINGPOINT, 6),
+
+  /* Range to get, specified as an ASCII string. */
+  CINIT(RANGE, STRINGPOINT, 7),
+
+  /* not used */
+
+  /* Specified file stream to upload from (use as input): */
+  CINIT(READDATA, OBJECTPOINT, 9),
+
+  /* Buffer to receive error messages in, must be at least CURL_ERROR_SIZE
+   * bytes big. */
+  CINIT(ERRORBUFFER, OBJECTPOINT, 10),
+
+  /* Function that will be called to store the output (instead of fwrite). The
+   * parameters will use fwrite() syntax, make sure to follow them. */
+  CINIT(WRITEFUNCTION, FUNCTIONPOINT, 11),
+
+  /* Function that will be called to read the input (instead of fread). The
+   * parameters will use fread() syntax, make sure to follow them. */
+  CINIT(READFUNCTION, FUNCTIONPOINT, 12),
+
+  /* Time-out the read operation after this amount of seconds */
+  CINIT(TIMEOUT, LONG, 13),
+
+  /* If the CURLOPT_INFILE is used, this can be used to inform libcurl about
+   * how large the file being sent really is. That allows better error
+   * checking and better verifies that the upload was successful. -1 means
+   * unknown size.
+   *
+   * For large file support, there is also a _LARGE version of the key
+   * which takes an off_t type, allowing platforms with larger off_t
+   * sizes to handle larger files.  See below for INFILESIZE_LARGE.
+   */
+  CINIT(INFILESIZE, LONG, 14),
+
+  /* POST static input fields. */
+  CINIT(POSTFIELDS, OBJECTPOINT, 15),
+
+  /* Set the referrer page (needed by some CGIs) */
+  CINIT(REFERER, STRINGPOINT, 16),
+
+  /* Set the FTP PORT string (interface name, named or numerical IP address)
+     Use i.e '-' to use default address. */
+  CINIT(FTPPORT, STRINGPOINT, 17),
+
+  /* Set the User-Agent string (examined by some CGIs) */
+  CINIT(USERAGENT, STRINGPOINT, 18),
+
+  /* If the download receives less than "low speed limit" bytes/second
+   * during "low speed time" seconds, the operations is aborted.
+   * You could i.e if you have a pretty high speed connection, abort if
+   * it is less than 2000 bytes/sec during 20 seconds.
+   */
+
+  /* Set the "low speed limit" */
+  CINIT(LOW_SPEED_LIMIT, LONG, 19),
+
+  /* Set the "low speed time" */
+  CINIT(LOW_SPEED_TIME, LONG, 20),
+
+  /* Set the continuation offset.
+   *
+   * Note there is also a _LARGE version of this key which uses
+   * off_t types, allowing for large file offsets on platforms which
+   * use larger-than-32-bit off_t's.  Look below for RESUME_FROM_LARGE.
+   */
+  CINIT(RESUME_FROM, LONG, 21),
+
+  /* Set cookie in request: */
+  CINIT(COOKIE, STRINGPOINT, 22),
+
+  /* This points to a linked list of headers, struct curl_slist kind. This
+     list is also used for RTSP (in spite of its name) */
+  CINIT(HTTPHEADER, OBJECTPOINT, 23),
+
+  /* This points to a linked list of post entries, struct curl_httppost */
+  CINIT(HTTPPOST, OBJECTPOINT, 24),
+
+  /* name of the file keeping your private SSL-certificate */
+  CINIT(SSLCERT, STRINGPOINT, 25),
+
+  /* password for the SSL or SSH private key */
+  CINIT(KEYPASSWD, STRINGPOINT, 26),
+
+  /* send TYPE parameter? */
+  CINIT(CRLF, LONG, 27),
+
+  /* send linked-list of QUOTE commands */
+  CINIT(QUOTE, OBJECTPOINT, 28),
+
+  /* send FILE * or void * to store headers to, if you use a callback it
+     is simply passed to the callback unmodified */
+  CINIT(HEADERDATA, OBJECTPOINT, 29),
+
+  /* point to a file to read the initial cookies from, also enables
+     "cookie awareness" */
+  CINIT(COOKIEFILE, STRINGPOINT, 31),
+
+  /* What version to specifically try to use.
+     See CURL_SSLVERSION defines below. */
+  CINIT(SSLVERSION, LONG, 32),
+
+  /* What kind of HTTP time condition to use, see defines */
+  CINIT(TIMECONDITION, LONG, 33),
+
+  /* Time to use with the above condition. Specified in number of seconds
+     since 1 Jan 1970 */
+  CINIT(TIMEVALUE, LONG, 34),
+
+  /* 35 = OBSOLETE */
+
+  /* Custom request, for customizing the get command like
+     HTTP: DELETE, TRACE and others
+     FTP: to use a different list command
+     */
+  CINIT(CUSTOMREQUEST, STRINGPOINT, 36),
+
+  /* FILE handle to use instead of stderr */
+  CINIT(STDERR, OBJECTPOINT, 37),
+
+  /* 38 is not used */
+
+  /* send linked-list of post-transfer QUOTE commands */
+  CINIT(POSTQUOTE, OBJECTPOINT, 39),
+
+  CINIT(OBSOLETE40, OBJECTPOINT, 40), /* OBSOLETE, do not use! */
+
+  CINIT(VERBOSE, LONG, 41),      /* talk a lot */
+  CINIT(HEADER, LONG, 42),       /* throw the header out too */
+  CINIT(NOPROGRESS, LONG, 43),   /* shut off the progress meter */
+  CINIT(NOBODY, LONG, 44),       /* use HEAD to get http document */
+  CINIT(FAILONERROR, LONG, 45),  /* no output on http error codes >= 400 */
+  CINIT(UPLOAD, LONG, 46),       /* this is an upload */
+  CINIT(POST, LONG, 47),         /* HTTP POST method */
+  CINIT(DIRLISTONLY, LONG, 48),  /* bare names when listing directories */
+
+  CINIT(APPEND, LONG, 50),       /* Append instead of overwrite on upload! */
+
+  /* Specify whether to read the user+password from the .netrc or the URL.
+   * This must be one of the CURL_NETRC_* enums below. */
+  CINIT(NETRC, LONG, 51),
+
+  CINIT(FOLLOWLOCATION, LONG, 52),  /* use Location: Luke! */
+
+  CINIT(TRANSFERTEXT, LONG, 53), /* transfer data in text/ASCII format */
+  CINIT(PUT, LONG, 54),          /* HTTP PUT */
+
+  /* 55 = OBSOLETE */
+
+  /* DEPRECATED
+   * Function that will be called instead of the internal progress display
+   * function. This function should be defined as the curl_progress_callback
+   * prototype defines. */
+  CINIT(PROGRESSFUNCTION, FUNCTIONPOINT, 56),
+
+  /* Data passed to the CURLOPT_PROGRESSFUNCTION and CURLOPT_XFERINFOFUNCTION
+     callbacks */
+  CINIT(PROGRESSDATA, OBJECTPOINT, 57),
+#define CURLOPT_XFERINFODATA CURLOPT_PROGRESSDATA
+
+  /* We want the referrer field set automatically when following locations */
+  CINIT(AUTOREFERER, LONG, 58),
+
+  /* Port of the proxy, can be set in the proxy string as well with:
+     "[host]:[port]" */
+  CINIT(PROXYPORT, LONG, 59),
+
+  /* size of the POST input data, if strlen() is not good to use */
+  CINIT(POSTFIELDSIZE, LONG, 60),
+
+  /* tunnel non-http operations through a HTTP proxy */
+  CINIT(HTTPPROXYTUNNEL, LONG, 61),
+
+  /* Set the interface string to use as outgoing network interface */
+  CINIT(INTERFACE, STRINGPOINT, 62),
+
+  /* Set the krb4/5 security level, this also enables krb4/5 awareness.  This
+   * is a string, 'clear', 'safe', 'confidential' or 'private'.  If the string
+   * is set but doesn't match one of these, 'private' will be used.  */
+  CINIT(KRBLEVEL, STRINGPOINT, 63),
+
+  /* Set if we should verify the peer in ssl handshake, set 1 to verify. */
+  CINIT(SSL_VERIFYPEER, LONG, 64),
+
+  /* The CApath or CAfile used to validate the peer certificate
+     this option is used only if SSL_VERIFYPEER is true */
+  CINIT(CAINFO, STRINGPOINT, 65),
+
+  /* 66 = OBSOLETE */
+  /* 67 = OBSOLETE */
+
+  /* Maximum number of http redirects to follow */
+  CINIT(MAXREDIRS, LONG, 68),
+
+  /* Pass a long set to 1 to get the date of the requested document (if
+     possible)! Pass a zero to shut it off. */
+  CINIT(FILETIME, LONG, 69),
+
+  /* This points to a linked list of telnet options */
+  CINIT(TELNETOPTIONS, OBJECTPOINT, 70),
+
+  /* Max amount of cached alive connections */
+  CINIT(MAXCONNECTS, LONG, 71),
+
+  CINIT(OBSOLETE72, LONG, 72), /* OBSOLETE, do not use! */
+
+  /* 73 = OBSOLETE */
+
+  /* Set to explicitly use a new connection for the upcoming transfer.
+     Do not use this unless you're absolutely sure of this, as it makes the
+     operation slower and is less friendly for the network. */
+  CINIT(FRESH_CONNECT, LONG, 74),
+
+  /* Set to explicitly forbid the upcoming transfer's connection to be re-used
+     when done. Do not use this unless you're absolutely sure of this, as it
+     makes the operation slower and is less friendly for the network. */
+  CINIT(FORBID_REUSE, LONG, 75),
+
+  /* Set to a file name that contains random data for libcurl to use to
+     seed the random engine when doing SSL connects. */
+  CINIT(RANDOM_FILE, STRINGPOINT, 76),
+
+  /* Set to the Entropy Gathering Daemon socket pathname */
+  CINIT(EGDSOCKET, STRINGPOINT, 77),
+
+  /* Time-out connect operations after this amount of seconds, if connects are
+     OK within this time, then fine... This only aborts the connect phase. */
+  CINIT(CONNECTTIMEOUT, LONG, 78),
+
+  /* Function that will be called to store headers (instead of fwrite). The
+   * parameters will use fwrite() syntax, make sure to follow them. */
+  CINIT(HEADERFUNCTION, FUNCTIONPOINT, 79),
+
+  /* Set this to force the HTTP request to get back to GET. Only really usable
+     if POST, PUT or a custom request have been used first.
+   */
+  CINIT(HTTPGET, LONG, 80),
+
+  /* Set if we should verify the Common name from the peer certificate in ssl
+   * handshake, set 1 to check existence, 2 to ensure that it matches the
+   * provided hostname. */
+  CINIT(SSL_VERIFYHOST, LONG, 81),
+
+  /* Specify which file name to write all known cookies in after completed
+     operation. Set file name to "-" (dash) to make it go to stdout. */
+  CINIT(COOKIEJAR, STRINGPOINT, 82),
+
+  /* Specify which SSL ciphers to use */
+  CINIT(SSL_CIPHER_LIST, STRINGPOINT, 83),
+
+  /* Specify which HTTP version to use! This must be set to one of the
+     CURL_HTTP_VERSION* enums set below. */
+  CINIT(HTTP_VERSION, LONG, 84),
+
+  /* Specifically switch on or off the FTP engine's use of the EPSV command. By
+     default, that one will always be attempted before the more traditional
+     PASV command. */
+  CINIT(FTP_USE_EPSV, LONG, 85),
+
+  /* type of the file keeping your SSL-certificate ("DER", "PEM", "ENG") */
+  CINIT(SSLCERTTYPE, STRINGPOINT, 86),
+
+  /* name of the file keeping your private SSL-key */
+  CINIT(SSLKEY, STRINGPOINT, 87),
+
+  /* type of the file keeping your private SSL-key ("DER", "PEM", "ENG") */
+  CINIT(SSLKEYTYPE, STRINGPOINT, 88),
+
+  /* crypto engine for the SSL-sub system */
+  CINIT(SSLENGINE, STRINGPOINT, 89),
+
+  /* set the crypto engine for the SSL-sub system as default
+     the param has no meaning...
+   */
+  CINIT(SSLENGINE_DEFAULT, LONG, 90),
+
+  /* Non-zero value means to use the global dns cache */
+  CINIT(DNS_USE_GLOBAL_CACHE, LONG, 91), /* DEPRECATED, do not use! */
+
+  /* DNS cache timeout */
+  CINIT(DNS_CACHE_TIMEOUT, LONG, 92),
+
+  /* send linked-list of pre-transfer QUOTE commands */
+  CINIT(PREQUOTE, OBJECTPOINT, 93),
+
+  /* set the debug function */
+  CINIT(DEBUGFUNCTION, FUNCTIONPOINT, 94),
+
+  /* set the data for the debug function */
+  CINIT(DEBUGDATA, OBJECTPOINT, 95),
+
+  /* mark this as start of a cookie session */
+  CINIT(COOKIESESSION, LONG, 96),
+
+  /* The CApath directory used to validate the peer certificate
+     this option is used only if SSL_VERIFYPEER is true */
+  CINIT(CAPATH, STRINGPOINT, 97),
+
+  /* Instruct libcurl to use a smaller receive buffer */
+  CINIT(BUFFERSIZE, LONG, 98),
+
+  /* Instruct libcurl to not use any signal/alarm handlers, even when using
+     timeouts. This option is useful for multi-threaded applications.
+     See libcurl-the-guide for more background information. */
+  CINIT(NOSIGNAL, LONG, 99),
+
+  /* Provide a CURLShare for mutexing non-ts data */
+  CINIT(SHARE, OBJECTPOINT, 100),
+
+  /* indicates type of proxy. accepted values are CURLPROXY_HTTP (default),
+     CURLPROXY_HTTPS, CURLPROXY_SOCKS4, CURLPROXY_SOCKS4A and
+     CURLPROXY_SOCKS5. */
+  CINIT(PROXYTYPE, LONG, 101),
+
+  /* Set the Accept-Encoding string. Use this to tell a server you would like
+     the response to be compressed. Before 7.21.6, this was known as
+     CURLOPT_ENCODING */
+  CINIT(ACCEPT_ENCODING, STRINGPOINT, 102),
+
+  /* Set pointer to private data */
+  CINIT(PRIVATE, OBJECTPOINT, 103),
+
+  /* Set aliases for HTTP 200 in the HTTP Response header */
+  CINIT(HTTP200ALIASES, OBJECTPOINT, 104),
+
+  /* Continue to send authentication (user+password) when following locations,
+     even when hostname changed. This can potentially send off the name
+     and password to whatever host the server decides. */
+  CINIT(UNRESTRICTED_AUTH, LONG, 105),
+
+  /* Specifically switch on or off the FTP engine's use of the EPRT command (
+     it also disables the LPRT attempt). By default, those ones will always be
+     attempted before the good old traditional PORT command. */
+  CINIT(FTP_USE_EPRT, LONG, 106),
+
+  /* Set this to a bitmask value to enable the particular authentications
+     methods you like. Use this in combination with CURLOPT_USERPWD.
+     Note that setting multiple bits may cause extra network round-trips. */
+  CINIT(HTTPAUTH, LONG, 107),
+
+  /* Set the ssl context callback function, currently only for OpenSSL ssl_ctx
+     in second argument. The function must be matching the
+     curl_ssl_ctx_callback proto. */
+  CINIT(SSL_CTX_FUNCTION, FUNCTIONPOINT, 108),
+
+  /* Set the userdata for the ssl context callback function's third
+     argument */
+  CINIT(SSL_CTX_DATA, OBJECTPOINT, 109),
+
+  /* FTP Option that causes missing dirs to be created on the remote server.
+     In 7.19.4 we introduced the convenience enums for this option using the
+     CURLFTP_CREATE_DIR prefix.
+  */
+  CINIT(FTP_CREATE_MISSING_DIRS, LONG, 110),
+
+  /* Set this to a bitmask value to enable the particular authentications
+     methods you like. Use this in combination with CURLOPT_PROXYUSERPWD.
+     Note that setting multiple bits may cause extra network round-trips. */
+  CINIT(PROXYAUTH, LONG, 111),
+
+  /* FTP option that changes the timeout, in seconds, associated with
+     getting a response.  This is different from transfer timeout time and
+     essentially places a demand on the FTP server to acknowledge commands
+     in a timely manner. */
+  CINIT(FTP_RESPONSE_TIMEOUT, LONG, 112),
+#define CURLOPT_SERVER_RESPONSE_TIMEOUT CURLOPT_FTP_RESPONSE_TIMEOUT
+
+  /* Set this option to one of the CURL_IPRESOLVE_* defines (see below) to
+     tell libcurl to resolve names to those IP versions only. This only has
+     affect on systems with support for more than one, i.e IPv4 _and_ IPv6. */
+  CINIT(IPRESOLVE, LONG, 113),
+
+  /* Set this option to limit the size of a file that will be downloaded from
+     an HTTP or FTP server.
+
+     Note there is also _LARGE version which adds large file support for
+     platforms which have larger off_t sizes.  See MAXFILESIZE_LARGE below. */
+  CINIT(MAXFILESIZE, LONG, 114),
+
+  /* See the comment for INFILESIZE above, but in short, specifies
+   * the size of the file being uploaded.  -1 means unknown.
+   */
+  CINIT(INFILESIZE_LARGE, OFF_T, 115),
+
+  /* Sets the continuation offset.  There is also a LONG version of this;
+   * look above for RESUME_FROM.
+   */
+  CINIT(RESUME_FROM_LARGE, OFF_T, 116),
+
+  /* Sets the maximum size of data that will be downloaded from
+   * an HTTP or FTP server.  See MAXFILESIZE above for the LONG version.
+   */
+  CINIT(MAXFILESIZE_LARGE, OFF_T, 117),
+
+  /* Set this option to the file name of your .netrc file you want libcurl
+     to parse (using the CURLOPT_NETRC option). If not set, libcurl will do
+     a poor attempt to find the user's home directory and check for a .netrc
+     file in there. */
+  CINIT(NETRC_FILE, STRINGPOINT, 118),
+
+  /* Enable SSL/TLS for FTP, pick one of:
+     CURLUSESSL_TRY     - try using SSL, proceed anyway otherwise
+     CURLUSESSL_CONTROL - SSL for the control connection or fail
+     CURLUSESSL_ALL     - SSL for all communication or fail
+  */
+  CINIT(USE_SSL, LONG, 119),
+
+  /* The _LARGE version of the standard POSTFIELDSIZE option */
+  CINIT(POSTFIELDSIZE_LARGE, OFF_T, 120),
+
+  /* Enable/disable the TCP Nagle algorithm */
+  CINIT(TCP_NODELAY, LONG, 121),
+
+  /* 122 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
+  /* 123 OBSOLETE. Gone in 7.16.0 */
+  /* 124 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
+  /* 125 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
+  /* 126 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
+  /* 127 OBSOLETE. Gone in 7.16.0 */
+  /* 128 OBSOLETE. Gone in 7.16.0 */
+
+  /* When FTP over SSL/TLS is selected (with CURLOPT_USE_SSL), this option
+     can be used to change libcurl's default action which is to first try
+     "AUTH SSL" and then "AUTH TLS" in this order, and proceed when a OK
+     response has been received.
+
+     Available parameters are:
+     CURLFTPAUTH_DEFAULT - let libcurl decide
+     CURLFTPAUTH_SSL     - try "AUTH SSL" first, then TLS
+     CURLFTPAUTH_TLS     - try "AUTH TLS" first, then SSL
+  */
+  CINIT(FTPSSLAUTH, LONG, 129),
+
+  CINIT(IOCTLFUNCTION, FUNCTIONPOINT, 130),
+  CINIT(IOCTLDATA, OBJECTPOINT, 131),
+
+  /* 132 OBSOLETE. Gone in 7.16.0 */
+  /* 133 OBSOLETE. Gone in 7.16.0 */
+
+  /* zero terminated string for pass on to the FTP server when asked for
+     "account" info */
+  CINIT(FTP_ACCOUNT, STRINGPOINT, 134),
+
+  /* feed cookie into cookie engine */
+  CINIT(COOKIELIST, STRINGPOINT, 135),
+
+  /* ignore Content-Length */
+  CINIT(IGNORE_CONTENT_LENGTH, LONG, 136),
+
+  /* Set to non-zero to skip the IP address received in a 227 PASV FTP server
+     response. Typically used for FTP-SSL purposes but is not restricted to
+     that. libcurl will then instead use the same IP address it used for the
+     control connection. */
+  CINIT(FTP_SKIP_PASV_IP, LONG, 137),
+
+  /* Select "file method" to use when doing FTP, see the curl_ftpmethod
+     above. */
+  CINIT(FTP_FILEMETHOD, LONG, 138),
+
+  /* Local port number to bind the socket to */
+  CINIT(LOCALPORT, LONG, 139),
+
+  /* Number of ports to try, including the first one set with LOCALPORT.
+     Thus, setting it to 1 will make no additional attempts but the first.
+  */
+  CINIT(LOCALPORTRANGE, LONG, 140),
+
+  /* no transfer, set up connection and let application use the socket by
+     extracting it with CURLINFO_LASTSOCKET */
+  CINIT(CONNECT_ONLY, LONG, 141),
+
+  /* Function that will be called to convert from the
+     network encoding (instead of using the iconv calls in libcurl) */
+  CINIT(CONV_FROM_NETWORK_FUNCTION, FUNCTIONPOINT, 142),
+
+  /* Function that will be called to convert to the
+     network encoding (instead of using the iconv calls in libcurl) */
+  CINIT(CONV_TO_NETWORK_FUNCTION, FUNCTIONPOINT, 143),
+
+  /* Function that will be called to convert from UTF8
+     (instead of using the iconv calls in libcurl)
+     Note that this is used only for SSL certificate processing */
+  CINIT(CONV_FROM_UTF8_FUNCTION, FUNCTIONPOINT, 144),
+
+  /* if the connection proceeds too quickly then need to slow it down */
+  /* limit-rate: maximum number of bytes per second to send or receive */
+  CINIT(MAX_SEND_SPEED_LARGE, OFF_T, 145),
+  CINIT(MAX_RECV_SPEED_LARGE, OFF_T, 146),
+
+  /* Pointer to command string to send if USER/PASS fails. */
+  CINIT(FTP_ALTERNATIVE_TO_USER, STRINGPOINT, 147),
+
+  /* callback function for setting socket options */
+  CINIT(SOCKOPTFUNCTION, FUNCTIONPOINT, 148),
+  CINIT(SOCKOPTDATA, OBJECTPOINT, 149),
+
+  /* set to 0 to disable session ID re-use for this transfer, default is
+     enabled (== 1) */
+  CINIT(SSL_SESSIONID_CACHE, LONG, 150),
+
+  /* allowed SSH authentication methods */
+  CINIT(SSH_AUTH_TYPES, LONG, 151),
+
+  /* Used by scp/sftp to do public/private key authentication */
+  CINIT(SSH_PUBLIC_KEYFILE, STRINGPOINT, 152),
+  CINIT(SSH_PRIVATE_KEYFILE, STRINGPOINT, 153),
+
+  /* Send CCC (Clear Command Channel) after authentication */
+  CINIT(FTP_SSL_CCC, LONG, 154),
+
+  /* Same as TIMEOUT and CONNECTTIMEOUT, but with ms resolution */
+  CINIT(TIMEOUT_MS, LONG, 155),
+  CINIT(CONNECTTIMEOUT_MS, LONG, 156),
+
+  /* set to zero to disable the libcurl's decoding and thus pass the raw body
+     data to the application even when it is encoded/compressed */
+  CINIT(HTTP_TRANSFER_DECODING, LONG, 157),
+  CINIT(HTTP_CONTENT_DECODING, LONG, 158),
+
+  /* Permission used when creating new files and directories on the remote
+     server for protocols that support it, SFTP/SCP/FILE */
+  CINIT(NEW_FILE_PERMS, LONG, 159),
+  CINIT(NEW_DIRECTORY_PERMS, LONG, 160),
+
+  /* Set the behaviour of POST when redirecting. Values must be set to one
+     of CURL_REDIR* defines below. This used to be called CURLOPT_POST301 */
+  CINIT(POSTREDIR, LONG, 161),
+
+  /* used by scp/sftp to verify the host's public key */
+  CINIT(SSH_HOST_PUBLIC_KEY_MD5, STRINGPOINT, 162),
+
+  /* Callback function for opening socket (instead of socket(2)). Optionally,
+     callback is able change the address or refuse to connect returning
+     CURL_SOCKET_BAD.  The callback should have type
+     curl_opensocket_callback */
+  CINIT(OPENSOCKETFUNCTION, FUNCTIONPOINT, 163),
+  CINIT(OPENSOCKETDATA, OBJECTPOINT, 164),
+
+  /* POST volatile input fields. */
+  CINIT(COPYPOSTFIELDS, OBJECTPOINT, 165),
+
+  /* set transfer mode (;type=<a|i>) when doing FTP via an HTTP proxy */
+  CINIT(PROXY_TRANSFER_MODE, LONG, 166),
+
+  /* Callback function for seeking in the input stream */
+  CINIT(SEEKFUNCTION, FUNCTIONPOINT, 167),
+  CINIT(SEEKDATA, OBJECTPOINT, 168),
+
+  /* CRL file */
+  CINIT(CRLFILE, STRINGPOINT, 169),
+
+  /* Issuer certificate */
+  CINIT(ISSUERCERT, STRINGPOINT, 170),
+
+  /* (IPv6) Address scope */
+  CINIT(ADDRESS_SCOPE, LONG, 171),
+
+  /* Collect certificate chain info and allow it to get retrievable with
+     CURLINFO_CERTINFO after the transfer is complete. */
+  CINIT(CERTINFO, LONG, 172),
+
+  /* "name" and "pwd" to use when fetching. */
+  CINIT(USERNAME, STRINGPOINT, 173),
+  CINIT(PASSWORD, STRINGPOINT, 174),
+
+    /* "name" and "pwd" to use with Proxy when fetching. */
+  CINIT(PROXYUSERNAME, STRINGPOINT, 175),
+  CINIT(PROXYPASSWORD, STRINGPOINT, 176),
+
+  /* Comma separated list of hostnames defining no-proxy zones. These should
+     match both hostnames directly, and hostnames within a domain. For
+     example, local.com will match local.com and www.local.com, but NOT
+     notlocal.com or www.notlocal.com. For compatibility with other
+     implementations of this, .local.com will be considered to be the same as
+     local.com. A single * is the only valid wildcard, and effectively
+     disables the use of proxy. */
+  CINIT(NOPROXY, STRINGPOINT, 177),
+
+  /* block size for TFTP transfers */
+  CINIT(TFTP_BLKSIZE, LONG, 178),
+
+  /* Socks Service */
+  CINIT(SOCKS5_GSSAPI_SERVICE, STRINGPOINT, 179), /* DEPRECATED, do not use! */
+
+  /* Socks Service */
+  CINIT(SOCKS5_GSSAPI_NEC, LONG, 180),
+
+  /* set the bitmask for the protocols that are allowed to be used for the
+     transfer, which thus helps the app which takes URLs from users or other
+     external inputs and want to restrict what protocol(s) to deal
+     with. Defaults to CURLPROTO_ALL. */
+  CINIT(PROTOCOLS, LONG, 181),
+
+  /* set the bitmask for the protocols that libcurl is allowed to follow to,
+     as a subset of the CURLOPT_PROTOCOLS ones. That means the protocol needs
+     to be set in both bitmasks to be allowed to get redirected to. Defaults
+     to all protocols except FILE and SCP. */
+  CINIT(REDIR_PROTOCOLS, LONG, 182),
+
+  /* set the SSH knownhost file name to use */
+  CINIT(SSH_KNOWNHOSTS, STRINGPOINT, 183),
+
+  /* set the SSH host key callback, must point to a curl_sshkeycallback
+     function */
+  CINIT(SSH_KEYFUNCTION, FUNCTIONPOINT, 184),
+
+  /* set the SSH host key callback custom pointer */
+  CINIT(SSH_KEYDATA, OBJECTPOINT, 185),
+
+  /* set the SMTP mail originator */
+  CINIT(MAIL_FROM, STRINGPOINT, 186),
+
+  /* set the list of SMTP mail receiver(s) */
+  CINIT(MAIL_RCPT, OBJECTPOINT, 187),
+
+  /* FTP: send PRET before PASV */
+  CINIT(FTP_USE_PRET, LONG, 188),
+
+  /* RTSP request method (OPTIONS, SETUP, PLAY, etc...) */
+  CINIT(RTSP_REQUEST, LONG, 189),
+
+  /* The RTSP session identifier */
+  CINIT(RTSP_SESSION_ID, STRINGPOINT, 190),
+
+  /* The RTSP stream URI */
+  CINIT(RTSP_STREAM_URI, STRINGPOINT, 191),
+
+  /* The Transport: header to use in RTSP requests */
+  CINIT(RTSP_TRANSPORT, STRINGPOINT, 192),
+
+  /* Manually initialize the client RTSP CSeq for this handle */
+  CINIT(RTSP_CLIENT_CSEQ, LONG, 193),
+
+  /* Manually initialize the server RTSP CSeq for this handle */
+  CINIT(RTSP_SERVER_CSEQ, LONG, 194),
+
+  /* The stream to pass to INTERLEAVEFUNCTION. */
+  CINIT(INTERLEAVEDATA, OBJECTPOINT, 195),
+
+  /* Let the application define a custom write method for RTP data */
+  CINIT(INTERLEAVEFUNCTION, FUNCTIONPOINT, 196),
+
+  /* Turn on wildcard matching */
+  CINIT(WILDCARDMATCH, LONG, 197),
+
+  /* Directory matching callback called before downloading of an
+     individual file (chunk) started */
+  CINIT(CHUNK_BGN_FUNCTION, FUNCTIONPOINT, 198),
+
+  /* Directory matching callback called after the file (chunk)
+     was downloaded, or skipped */
+  CINIT(CHUNK_END_FUNCTION, FUNCTIONPOINT, 199),
+
+  /* Change match (fnmatch-like) callback for wildcard matching */
+  CINIT(FNMATCH_FUNCTION, FUNCTIONPOINT, 200),
+
+  /* Let the application define custom chunk data pointer */
+  CINIT(CHUNK_DATA, OBJECTPOINT, 201),
+
+  /* FNMATCH_FUNCTION user pointer */
+  CINIT(FNMATCH_DATA, OBJECTPOINT, 202),
+
+  /* send linked-list of name:port:address sets */
+  CINIT(RESOLVE, OBJECTPOINT, 203),
+
+  /* Set a username for authenticated TLS */
+  CINIT(TLSAUTH_USERNAME, STRINGPOINT, 204),
+
+  /* Set a password for authenticated TLS */
+  CINIT(TLSAUTH_PASSWORD, STRINGPOINT, 205),
+
+  /* Set authentication type for authenticated TLS */
+  CINIT(TLSAUTH_TYPE, STRINGPOINT, 206),
+
+  /* Set to 1 to enable the "TE:" header in HTTP requests to ask for
+     compressed transfer-encoded responses. Set to 0 to disable the use of TE:
+     in outgoing requests. The current default is 0, but it might change in a
+     future libcurl release.
+
+     libcurl will ask for the compressed methods it knows of, and if that
+     isn't any, it will not ask for transfer-encoding at all even if this
+     option is set to 1.
+
+  */
+  CINIT(TRANSFER_ENCODING, LONG, 207),
+
+  /* Callback function for closing socket (instead of close(2)). The callback
+     should have type curl_closesocket_callback */
+  CINIT(CLOSESOCKETFUNCTION, FUNCTIONPOINT, 208),
+  CINIT(CLOSESOCKETDATA, OBJECTPOINT, 209),
+
+  /* allow GSSAPI credential delegation */
+  CINIT(GSSAPI_DELEGATION, LONG, 210),
+
+  /* Set the name servers to use for DNS resolution */
+  CINIT(DNS_SERVERS, STRINGPOINT, 211),
+
+  /* Time-out accept operations (currently for FTP only) after this amount
+     of milliseconds. */
+  CINIT(ACCEPTTIMEOUT_MS, LONG, 212),
+
+  /* Set TCP keepalive */
+  CINIT(TCP_KEEPALIVE, LONG, 213),
+
+  /* non-universal keepalive knobs (Linux, AIX, HP-UX, more) */
+  CINIT(TCP_KEEPIDLE, LONG, 214),
+  CINIT(TCP_KEEPINTVL, LONG, 215),
+
+  /* Enable/disable specific SSL features with a bitmask, see CURLSSLOPT_* */
+  CINIT(SSL_OPTIONS, LONG, 216),
+
+  /* Set the SMTP auth originator */
+  CINIT(MAIL_AUTH, STRINGPOINT, 217),
+
+  /* Enable/disable SASL initial response */
+  CINIT(SASL_IR, LONG, 218),
+
+  /* Function that will be called instead of the internal progress display
+   * function. This function should be defined as the curl_xferinfo_callback
+   * prototype defines. (Deprecates CURLOPT_PROGRESSFUNCTION) */
+  CINIT(XFERINFOFUNCTION, FUNCTIONPOINT, 219),
+
+  /* The XOAUTH2 bearer token */
+  CINIT(XOAUTH2_BEARER, STRINGPOINT, 220),
+
+  /* Set the interface string to use as outgoing network
+   * interface for DNS requests.
+   * Only supported by the c-ares DNS backend */
+  CINIT(DNS_INTERFACE, STRINGPOINT, 221),
+
+  /* Set the local IPv4 address to use for outgoing DNS requests.
+   * Only supported by the c-ares DNS backend */
+  CINIT(DNS_LOCAL_IP4, STRINGPOINT, 222),
+
+  /* Set the local IPv6 address to use for outgoing DNS requests.
+   * Only supported by the c-ares DNS backend */
+  CINIT(DNS_LOCAL_IP6, STRINGPOINT, 223),
+
+  /* Set authentication options directly */
+  CINIT(LOGIN_OPTIONS, STRINGPOINT, 224),
+
+  /* Enable/disable TLS NPN extension (http2 over ssl might fail without) */
+  CINIT(SSL_ENABLE_NPN, LONG, 225),
+
+  /* Enable/disable TLS ALPN extension (http2 over ssl might fail without) */
+  CINIT(SSL_ENABLE_ALPN, LONG, 226),
+
+  /* Time to wait for a response to a HTTP request containing an
+   * Expect: 100-continue header before sending the data anyway. */
+  CINIT(EXPECT_100_TIMEOUT_MS, LONG, 227),
+
+  /* This points to a linked list of headers used for proxy requests only,
+     struct curl_slist kind */
+  CINIT(PROXYHEADER, OBJECTPOINT, 228),
+
+  /* Pass in a bitmask of "header options" */
+  CINIT(HEADEROPT, LONG, 229),
+
+  /* The public key in DER form used to validate the peer public key
+     this option is used only if SSL_VERIFYPEER is true */
+  CINIT(PINNEDPUBLICKEY, STRINGPOINT, 230),
+
+  /* Path to Unix domain socket */
+  CINIT(UNIX_SOCKET_PATH, STRINGPOINT, 231),
+
+  /* Set if we should verify the certificate status. */
+  CINIT(SSL_VERIFYSTATUS, LONG, 232),
+
+  /* Set if we should enable TLS false start. */
+  CINIT(SSL_FALSESTART, LONG, 233),
+
+  /* Do not squash dot-dot sequences */
+  CINIT(PATH_AS_IS, LONG, 234),
+
+  /* Proxy Service Name */
+  CINIT(PROXY_SERVICE_NAME, STRINGPOINT, 235),
+
+  /* Service Name */
+  CINIT(SERVICE_NAME, STRINGPOINT, 236),
+
+  /* Wait/don't wait for pipe/mutex to clarify */
+  CINIT(PIPEWAIT, LONG, 237),
+
+  /* Set the protocol used when curl is given a URL without a protocol */
+  CINIT(DEFAULT_PROTOCOL, STRINGPOINT, 238),
+
+  /* Set stream weight, 1 - 256 (default is 16) */
+  CINIT(STREAM_WEIGHT, LONG, 239),
+
+  /* Set stream dependency on another CURL handle */
+  CINIT(STREAM_DEPENDS, OBJECTPOINT, 240),
+
+  /* Set E-xclusive stream dependency on another CURL handle */
+  CINIT(STREAM_DEPENDS_E, OBJECTPOINT, 241),
+
+  /* Do not send any tftp option requests to the server */
+  CINIT(TFTP_NO_OPTIONS, LONG, 242),
+
+  /* Linked-list of host:port:connect-to-host:connect-to-port,
+     overrides the URL's host:port (only for the network layer) */
+  CINIT(CONNECT_TO, OBJECTPOINT, 243),
+
+  /* Set TCP Fast Open */
+  CINIT(TCP_FASTOPEN, LONG, 244),
+
+  /* Continue to send data if the server responds early with an
+   * HTTP status code >= 300 */
+  CINIT(KEEP_SENDING_ON_ERROR, LONG, 245),
+
+  /* The CApath or CAfile used to validate the proxy certificate
+     this option is used only if PROXY_SSL_VERIFYPEER is true */
+  CINIT(PROXY_CAINFO, STRINGPOINT, 246),
+
+  /* The CApath directory used to validate the proxy certificate
+     this option is used only if PROXY_SSL_VERIFYPEER is true */
+  CINIT(PROXY_CAPATH, STRINGPOINT, 247),
+
+  /* Set if we should verify the proxy in ssl handshake,
+     set 1 to verify. */
+  CINIT(PROXY_SSL_VERIFYPEER, LONG, 248),
+
+  /* Set if we should verify the Common name from the proxy certificate in ssl
+   * handshake, set 1 to check existence, 2 to ensure that it matches
+   * the provided hostname. */
+  CINIT(PROXY_SSL_VERIFYHOST, LONG, 249),
+
+  /* What version to specifically try to use for proxy.
+     See CURL_SSLVERSION defines below. */
+  CINIT(PROXY_SSLVERSION, LONG, 250),
+
+  /* Set a username for authenticated TLS for proxy */
+  CINIT(PROXY_TLSAUTH_USERNAME, STRINGPOINT, 251),
+
+  /* Set a password for authenticated TLS for proxy */
+  CINIT(PROXY_TLSAUTH_PASSWORD, STRINGPOINT, 252),
+
+  /* Set authentication type for authenticated TLS for proxy */
+  CINIT(PROXY_TLSAUTH_TYPE, STRINGPOINT, 253),
+
+  /* name of the file keeping your private SSL-certificate for proxy */
+  CINIT(PROXY_SSLCERT, STRINGPOINT, 254),
+
+  /* type of the file keeping your SSL-certificate ("DER", "PEM", "ENG") for
+     proxy */
+  CINIT(PROXY_SSLCERTTYPE, STRINGPOINT, 255),
+
+  /* name of the file keeping your private SSL-key for proxy */
+  CINIT(PROXY_SSLKEY, STRINGPOINT, 256),
+
+  /* type of the file keeping your private SSL-key ("DER", "PEM", "ENG") for
+     proxy */
+  CINIT(PROXY_SSLKEYTYPE, STRINGPOINT, 257),
+
+  /* password for the SSL private key for proxy */
+  CINIT(PROXY_KEYPASSWD, STRINGPOINT, 258),
+
+  /* Specify which SSL ciphers to use for proxy */
+  CINIT(PROXY_SSL_CIPHER_LIST, STRINGPOINT, 259),
+
+  /* CRL file for proxy */
+  CINIT(PROXY_CRLFILE, STRINGPOINT, 260),
+
+  /* Enable/disable specific SSL features with a bitmask for proxy, see
+     CURLSSLOPT_* */
+  CINIT(PROXY_SSL_OPTIONS, LONG, 261),
+
+  /* Name of pre proxy to use. */
+  CINIT(PRE_PROXY, STRINGPOINT, 262),
+
+  /* The public key in DER form used to validate the proxy public key
+     this option is used only if PROXY_SSL_VERIFYPEER is true */
+  CINIT(PROXY_PINNEDPUBLICKEY, STRINGPOINT, 263),
+
+  /* Path to an abstract Unix domain socket */
+  CINIT(ABSTRACT_UNIX_SOCKET, STRINGPOINT, 264),
+
+  /* Suppress proxy CONNECT response headers from user callbacks */
+  CINIT(SUPPRESS_CONNECT_HEADERS, LONG, 265),
+
+  /* The request target, instead of extracted from the URL */
+  CINIT(REQUEST_TARGET, STRINGPOINT, 266),
+
+  /* bitmask of allowed auth methods for connections to SOCKS5 proxies */
+  CINIT(SOCKS5_AUTH, LONG, 267),
+
+  /* Enable/disable SSH compression */
+  CINIT(SSH_COMPRESSION, LONG, 268),
+
+  /* Post MIME data. */
+  CINIT(MIMEPOST, OBJECTPOINT, 269),
+
+  /* Time to use with the CURLOPT_TIMECONDITION. Specified in number of
+     seconds since 1 Jan 1970. */
+  CINIT(TIMEVALUE_LARGE, OFF_T, 270),
+
+  /* Head start in milliseconds to give happy eyeballs. */
+  CINIT(HAPPY_EYEBALLS_TIMEOUT_MS, LONG, 271),
+
+  /* Function that will be called before a resolver request is made */
+  CINIT(RESOLVER_START_FUNCTION, FUNCTIONPOINT, 272),
+
+  /* User data to pass to the resolver start callback. */
+  CINIT(RESOLVER_START_DATA, OBJECTPOINT, 273),
+
+  /* send HAProxy PROXY protocol header? */
+  CINIT(HAPROXYPROTOCOL, LONG, 274),
+
+  /* shuffle addresses before use when DNS returns multiple */
+  CINIT(DNS_SHUFFLE_ADDRESSES, LONG, 275),
+
+  /* Specify which TLS 1.3 ciphers suites to use */
+  CINIT(TLS13_CIPHERS, STRINGPOINT, 276),
+  CINIT(PROXY_TLS13_CIPHERS, STRINGPOINT, 277),
+
+  /* Disallow specifying username/login in URL. */
+  CINIT(DISALLOW_USERNAME_IN_URL, LONG, 278),
+
+  /* DNS-over-HTTPS URL */
+  CINIT(DOH_URL, STRINGPOINT, 279),
+
+  /* Preferred buffer size to use for uploads */
+  CINIT(UPLOAD_BUFFERSIZE, LONG, 280),
+
+  /* Time in ms between connection upkeep calls for long-lived connections. */
+  CINIT(UPKEEP_INTERVAL_MS, LONG, 281),
+
+  /* Specify URL using CURL URL API. */
+  CINIT(CURLU, OBJECTPOINT, 282),
+
+  /* add trailing data just after no more data is available */
+  CINIT(TRAILERFUNCTION, FUNCTIONPOINT, 283),
+
+  /* pointer to be passed to HTTP_TRAILER_FUNCTION */
+  CINIT(TRAILERDATA, OBJECTPOINT, 284),
+
+  /* set this to 1L to allow HTTP/0.9 responses or 0L to disallow */
+  CINIT(HTTP09_ALLOWED, LONG, 285),
+
+  CURLOPT_LASTENTRY /* the last unused */
+} CURLoption;
+
+#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
+                          the obsolete stuff removed! */
+
+/* Backwards compatibility with older names */
+/* These are scheduled to disappear by 2011 */
+
+/* This was added in version 7.19.1 */
+#define CURLOPT_POST301 CURLOPT_POSTREDIR
+
+/* These are scheduled to disappear by 2009 */
+
+/* The following were added in 7.17.0 */
+#define CURLOPT_SSLKEYPASSWD CURLOPT_KEYPASSWD
+#define CURLOPT_FTPAPPEND CURLOPT_APPEND
+#define CURLOPT_FTPLISTONLY CURLOPT_DIRLISTONLY
+#define CURLOPT_FTP_SSL CURLOPT_USE_SSL
+
+/* The following were added earlier */
+
+#define CURLOPT_SSLCERTPASSWD CURLOPT_KEYPASSWD
+#define CURLOPT_KRB4LEVEL CURLOPT_KRBLEVEL
+
+#else
+/* This is set if CURL_NO_OLDIES is defined at compile-time */
+#undef CURLOPT_DNS_USE_GLOBAL_CACHE /* soon obsolete */
+#endif
+
+
+  /* Below here follows defines for the CURLOPT_IPRESOLVE option. If a host
+     name resolves addresses using more than one IP protocol version, this
+     option might be handy to force libcurl to use a specific IP version. */
+#define CURL_IPRESOLVE_WHATEVER 0 /* default, resolves addresses to all IP
+                                     versions that your system allows */
+#define CURL_IPRESOLVE_V4       1 /* resolve to IPv4 addresses */
+#define CURL_IPRESOLVE_V6       2 /* resolve to IPv6 addresses */
+
+  /* three convenient "aliases" that follow the name scheme better */
+#define CURLOPT_RTSPHEADER CURLOPT_HTTPHEADER
+
+  /* These enums are for use with the CURLOPT_HTTP_VERSION option. */
+enum {
+  CURL_HTTP_VERSION_NONE, /* setting this means we don't care, and that we'd
+                             like the library to choose the best possible
+                             for us! */
+  CURL_HTTP_VERSION_1_0,  /* please use HTTP 1.0 in the request */
+  CURL_HTTP_VERSION_1_1,  /* please use HTTP 1.1 in the request */
+  CURL_HTTP_VERSION_2_0,  /* please use HTTP 2 in the request */
+  CURL_HTTP_VERSION_2TLS, /* use version 2 for HTTPS, version 1.1 for HTTP */
+  CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE,  /* please use HTTP 2 without HTTP/1.1
+                                           Upgrade */
+
+  CURL_HTTP_VERSION_LAST /* *ILLEGAL* http version */
+};
+
+/* Convenience definition simple because the name of the version is HTTP/2 and
+   not 2.0. The 2_0 version of the enum name was set while the version was
+   still planned to be 2.0 and we stick to it for compatibility. */
+#define CURL_HTTP_VERSION_2 CURL_HTTP_VERSION_2_0
+
+/*
+ * Public API enums for RTSP requests
+ */
+enum {
+    CURL_RTSPREQ_NONE, /* first in list */
+    CURL_RTSPREQ_OPTIONS,
+    CURL_RTSPREQ_DESCRIBE,
+    CURL_RTSPREQ_ANNOUNCE,
+    CURL_RTSPREQ_SETUP,
+    CURL_RTSPREQ_PLAY,
+    CURL_RTSPREQ_PAUSE,
+    CURL_RTSPREQ_TEARDOWN,
+    CURL_RTSPREQ_GET_PARAMETER,
+    CURL_RTSPREQ_SET_PARAMETER,
+    CURL_RTSPREQ_RECORD,
+    CURL_RTSPREQ_RECEIVE,
+    CURL_RTSPREQ_LAST /* last in list */
+};
+
+  /* These enums are for use with the CURLOPT_NETRC option. */
+enum CURL_NETRC_OPTION {
+  CURL_NETRC_IGNORED,     /* The .netrc will never be read.
+                           * This is the default. */
+  CURL_NETRC_OPTIONAL,    /* A user:password in the URL will be preferred
+                           * to one in the .netrc. */
+  CURL_NETRC_REQUIRED,    /* A user:password in the URL will be ignored.
+                           * Unless one is set programmatically, the .netrc
+                           * will be queried. */
+  CURL_NETRC_LAST
+};
+
+enum {
+  CURL_SSLVERSION_DEFAULT,
+  CURL_SSLVERSION_TLSv1, /* TLS 1.x */
+  CURL_SSLVERSION_SSLv2,
+  CURL_SSLVERSION_SSLv3,
+  CURL_SSLVERSION_TLSv1_0,
+  CURL_SSLVERSION_TLSv1_1,
+  CURL_SSLVERSION_TLSv1_2,
+  CURL_SSLVERSION_TLSv1_3,
+
+  CURL_SSLVERSION_LAST /* never use, keep last */
+};
+
+enum {
+  CURL_SSLVERSION_MAX_NONE =     0,
+  CURL_SSLVERSION_MAX_DEFAULT =  (CURL_SSLVERSION_TLSv1   << 16),
+  CURL_SSLVERSION_MAX_TLSv1_0 =  (CURL_SSLVERSION_TLSv1_0 << 16),
+  CURL_SSLVERSION_MAX_TLSv1_1 =  (CURL_SSLVERSION_TLSv1_1 << 16),
+  CURL_SSLVERSION_MAX_TLSv1_2 =  (CURL_SSLVERSION_TLSv1_2 << 16),
+  CURL_SSLVERSION_MAX_TLSv1_3 =  (CURL_SSLVERSION_TLSv1_3 << 16),
+
+  /* never use, keep last */
+  CURL_SSLVERSION_MAX_LAST =     (CURL_SSLVERSION_LAST    << 16)
+};
+
+enum CURL_TLSAUTH {
+  CURL_TLSAUTH_NONE,
+  CURL_TLSAUTH_SRP,
+  CURL_TLSAUTH_LAST /* never use, keep last */
+};
+
+/* symbols to use with CURLOPT_POSTREDIR.
+   CURL_REDIR_POST_301, CURL_REDIR_POST_302 and CURL_REDIR_POST_303
+   can be bitwise ORed so that CURL_REDIR_POST_301 | CURL_REDIR_POST_302
+   | CURL_REDIR_POST_303 == CURL_REDIR_POST_ALL */
+
+#define CURL_REDIR_GET_ALL  0
+#define CURL_REDIR_POST_301 1
+#define CURL_REDIR_POST_302 2
+#define CURL_REDIR_POST_303 4
+#define CURL_REDIR_POST_ALL \
+    (CURL_REDIR_POST_301|CURL_REDIR_POST_302|CURL_REDIR_POST_303)
+
+typedef enum {
+  CURL_TIMECOND_NONE,
+
+  CURL_TIMECOND_IFMODSINCE,
+  CURL_TIMECOND_IFUNMODSINCE,
+  CURL_TIMECOND_LASTMOD,
+
+  CURL_TIMECOND_LAST
+} curl_TimeCond;
+
+/* Special size_t value signaling a zero-terminated string. */
+#define CURL_ZERO_TERMINATED ((size_t) -1)
+
+/* curl_strequal() and curl_strnequal() are subject for removal in a future
+   release */
+CURL_EXTERN int curl_strequal(const char *s1, const char *s2);
+CURL_EXTERN int curl_strnequal(const char *s1, const char *s2, size_t n);
+
+/* Mime/form handling support. */
+typedef struct curl_mime_s      curl_mime;      /* Mime context. */
+typedef struct curl_mimepart_s  curl_mimepart;  /* Mime part context. */
+
+/*
+ * NAME curl_mime_init()
+ *
+ * DESCRIPTION
+ *
+ * Create a mime context and return its handle. The easy parameter is the
+ * target handle.
+ */
+CURL_EXTERN curl_mime *curl_mime_init(CURL *easy);
+
+/*
+ * NAME curl_mime_free()
+ *
+ * DESCRIPTION
+ *
+ * release a mime handle and its substructures.
+ */
+CURL_EXTERN void curl_mime_free(curl_mime *mime);
+
+/*
+ * NAME curl_mime_addpart()
+ *
+ * DESCRIPTION
+ *
+ * Append a new empty part to the given mime context and return a handle to
+ * the created part.
+ */
+CURL_EXTERN curl_mimepart *curl_mime_addpart(curl_mime *mime);
+
+/*
+ * NAME curl_mime_name()
+ *
+ * DESCRIPTION
+ *
+ * Set mime/form part name.
+ */
+CURL_EXTERN CURLcode curl_mime_name(curl_mimepart *part, const char *name);
+
+/*
+ * NAME curl_mime_filename()
+ *
+ * DESCRIPTION
+ *
+ * Set mime part remote file name.
+ */
+CURL_EXTERN CURLcode curl_mime_filename(curl_mimepart *part,
+                                        const char *filename);
+
+/*
+ * NAME curl_mime_type()
+ *
+ * DESCRIPTION
+ *
+ * Set mime part type.
+ */
+CURL_EXTERN CURLcode curl_mime_type(curl_mimepart *part, const char *mimetype);
+
+/*
+ * NAME curl_mime_encoder()
+ *
+ * DESCRIPTION
+ *
+ * Set mime data transfer encoder.
+ */
+CURL_EXTERN CURLcode curl_mime_encoder(curl_mimepart *part,
+                                       const char *encoding);
+
+/*
+ * NAME curl_mime_data()
+ *
+ * DESCRIPTION
+ *
+ * Set mime part data source from memory data,
+ */
+CURL_EXTERN CURLcode curl_mime_data(curl_mimepart *part,
+                                    const char *data, size_t datasize);
+
+/*
+ * NAME curl_mime_filedata()
+ *
+ * DESCRIPTION
+ *
+ * Set mime part data source from named file.
+ */
+CURL_EXTERN CURLcode curl_mime_filedata(curl_mimepart *part,
+                                        const char *filename);
+
+/*
+ * NAME curl_mime_data_cb()
+ *
+ * DESCRIPTION
+ *
+ * Set mime part data source from callback function.
+ */
+CURL_EXTERN CURLcode curl_mime_data_cb(curl_mimepart *part,
+                                       curl_off_t datasize,
+                                       curl_read_callback readfunc,
+                                       curl_seek_callback seekfunc,
+                                       curl_free_callback freefunc,
+                                       void *arg);
+
+/*
+ * NAME curl_mime_subparts()
+ *
+ * DESCRIPTION
+ *
+ * Set mime part data source from subparts.
+ */
+CURL_EXTERN CURLcode curl_mime_subparts(curl_mimepart *part,
+                                        curl_mime *subparts);
+/*
+ * NAME curl_mime_headers()
+ *
+ * DESCRIPTION
+ *
+ * Set mime part headers.
+ */
+CURL_EXTERN CURLcode curl_mime_headers(curl_mimepart *part,
+                                       struct curl_slist *headers,
+                                       int take_ownership);
+
+/* Old form API. */
+/* name is uppercase CURLFORM_<name> */
+#ifdef CFINIT
+#undef CFINIT
+#endif
+
+#ifdef CURL_ISOCPP
+#define CFINIT(name) CURLFORM_ ## name
+#else
+/* The macro "##" is ISO C, we assume pre-ISO C doesn't support it. */
+#define CFINIT(name) CURLFORM_/**/name
+#endif
+
+typedef enum {
+  CFINIT(NOTHING),        /********* the first one is unused ************/
+
+  /*  */
+  CFINIT(COPYNAME),
+  CFINIT(PTRNAME),
+  CFINIT(NAMELENGTH),
+  CFINIT(COPYCONTENTS),
+  CFINIT(PTRCONTENTS),
+  CFINIT(CONTENTSLENGTH),
+  CFINIT(FILECONTENT),
+  CFINIT(ARRAY),
+  CFINIT(OBSOLETE),
+  CFINIT(FILE),
+
+  CFINIT(BUFFER),
+  CFINIT(BUFFERPTR),
+  CFINIT(BUFFERLENGTH),
+
+  CFINIT(CONTENTTYPE),
+  CFINIT(CONTENTHEADER),
+  CFINIT(FILENAME),
+  CFINIT(END),
+  CFINIT(OBSOLETE2),
+
+  CFINIT(STREAM),
+  CFINIT(CONTENTLEN), /* added in 7.46.0, provide a curl_off_t length */
+
+  CURLFORM_LASTENTRY /* the last unused */
+} CURLformoption;
+
+#undef CFINIT /* done */
+
+/* structure to be used as parameter for CURLFORM_ARRAY */
+struct curl_forms {
+  CURLformoption option;
+  const char     *value;
+};
+
+/* use this for multipart formpost building */
+/* Returns code for curl_formadd()
+ *
+ * Returns:
+ * CURL_FORMADD_OK             on success
+ * CURL_FORMADD_MEMORY         if the FormInfo allocation fails
+ * CURL_FORMADD_OPTION_TWICE   if one option is given twice for one Form
+ * CURL_FORMADD_NULL           if a null pointer was given for a char
+ * CURL_FORMADD_MEMORY         if the allocation of a FormInfo struct failed
+ * CURL_FORMADD_UNKNOWN_OPTION if an unknown option was used
+ * CURL_FORMADD_INCOMPLETE     if the some FormInfo is not complete (or error)
+ * CURL_FORMADD_MEMORY         if a curl_httppost struct cannot be allocated
+ * CURL_FORMADD_MEMORY         if some allocation for string copying failed.
+ * CURL_FORMADD_ILLEGAL_ARRAY  if an illegal option is used in an array
+ *
+ ***************************************************************************/
+typedef enum {
+  CURL_FORMADD_OK, /* first, no error */
+
+  CURL_FORMADD_MEMORY,
+  CURL_FORMADD_OPTION_TWICE,
+  CURL_FORMADD_NULL,
+  CURL_FORMADD_UNKNOWN_OPTION,
+  CURL_FORMADD_INCOMPLETE,
+  CURL_FORMADD_ILLEGAL_ARRAY,
+  CURL_FORMADD_DISABLED, /* libcurl was built with this disabled */
+
+  CURL_FORMADD_LAST /* last */
+} CURLFORMcode;
+
+/*
+ * NAME curl_formadd()
+ *
+ * DESCRIPTION
+ *
+ * Pretty advanced function for building multi-part formposts. Each invoke
+ * adds one part that together construct a full post. Then use
+ * CURLOPT_HTTPPOST to send it off to libcurl.
+ */
+CURL_EXTERN CURLFORMcode curl_formadd(struct curl_httppost **httppost,
+                                      struct curl_httppost **last_post,
+                                      ...);
+
+/*
+ * callback function for curl_formget()
+ * The void *arg pointer will be the one passed as second argument to
+ *   curl_formget().
+ * The character buffer passed to it must not be freed.
+ * Should return the buffer length passed to it as the argument "len" on
+ *   success.
+ */
+typedef size_t (*curl_formget_callback)(void *arg, const char *buf,
+                                        size_t len);
+
+/*
+ * NAME curl_formget()
+ *
+ * DESCRIPTION
+ *
+ * Serialize a curl_httppost struct built with curl_formadd().
+ * Accepts a void pointer as second argument which will be passed to
+ * the curl_formget_callback function.
+ * Returns 0 on success.
+ */
+CURL_EXTERN int curl_formget(struct curl_httppost *form, void *arg,
+                             curl_formget_callback append);
+/*
+ * NAME curl_formfree()
+ *
+ * DESCRIPTION
+ *
+ * Free a multipart formpost previously built with curl_formadd().
+ */
+CURL_EXTERN void curl_formfree(struct curl_httppost *form);
+
+/*
+ * NAME curl_getenv()
+ *
+ * DESCRIPTION
+ *
+ * Returns a malloc()'ed string that MUST be curl_free()ed after usage is
+ * complete. DEPRECATED - see lib/README.curlx
+ */
+CURL_EXTERN char *curl_getenv(const char *variable);
+
+/*
+ * NAME curl_version()
+ *
+ * DESCRIPTION
+ *
+ * Returns a static ascii string of the libcurl version.
+ */
+CURL_EXTERN char *curl_version(void);
+
+/*
+ * NAME curl_easy_escape()
+ *
+ * DESCRIPTION
+ *
+ * Escapes URL strings (converts all letters consider illegal in URLs to their
+ * %XX versions). This function returns a new allocated string or NULL if an
+ * error occurred.
+ */
+CURL_EXTERN char *curl_easy_escape(CURL *handle,
+                                   const char *string,
+                                   int length);
+
+/* the previous version: */
+CURL_EXTERN char *curl_escape(const char *string,
+                              int length);
+
+
+/*
+ * NAME curl_easy_unescape()
+ *
+ * DESCRIPTION
+ *
+ * Unescapes URL encoding in strings (converts all %XX codes to their 8bit
+ * versions). This function returns a new allocated string or NULL if an error
+ * occurred.
+ * Conversion Note: On non-ASCII platforms the ASCII %XX codes are
+ * converted into the host encoding.
+ */
+CURL_EXTERN char *curl_easy_unescape(CURL *handle,
+                                     const char *string,
+                                     int length,
+                                     int *outlength);
+
+/* the previous version */
+CURL_EXTERN char *curl_unescape(const char *string,
+                                int length);
+
+/*
+ * NAME curl_free()
+ *
+ * DESCRIPTION
+ *
+ * Provided for de-allocation in the same translation unit that did the
+ * allocation. Added in libcurl 7.10
+ */
+CURL_EXTERN void curl_free(void *p);
+
+/*
+ * NAME curl_global_init()
+ *
+ * DESCRIPTION
+ *
+ * curl_global_init() should be invoked exactly once for each application that
+ * uses libcurl and before any call of other libcurl functions.
+ *
+ * This function is not thread-safe!
+ */
+CURL_EXTERN CURLcode curl_global_init(long flags);
+
+/*
+ * NAME curl_global_init_mem()
+ *
+ * DESCRIPTION
+ *
+ * curl_global_init() or curl_global_init_mem() should be invoked exactly once
+ * for each application that uses libcurl.  This function can be used to
+ * initialize libcurl and set user defined memory management callback
+ * functions.  Users can implement memory management routines to check for
+ * memory leaks, check for mis-use of the curl library etc.  User registered
+ * callback routines with be invoked by this library instead of the system
+ * memory management routines like malloc, free etc.
+ */
+CURL_EXTERN CURLcode curl_global_init_mem(long flags,
+                                          curl_malloc_callback m,
+                                          curl_free_callback f,
+                                          curl_realloc_callback r,
+                                          curl_strdup_callback s,
+                                          curl_calloc_callback c);
+
+/*
+ * NAME curl_global_cleanup()
+ *
+ * DESCRIPTION
+ *
+ * curl_global_cleanup() should be invoked exactly once for each application
+ * that uses libcurl
+ */
+CURL_EXTERN void curl_global_cleanup(void);
+
+/* linked-list structure for the CURLOPT_QUOTE option (and other) */
+struct curl_slist {
+  char *data;
+  struct curl_slist *next;
+};
+
+/*
+ * NAME curl_global_sslset()
+ *
+ * DESCRIPTION
+ *
+ * When built with multiple SSL backends, curl_global_sslset() allows to
+ * choose one. This function can only be called once, and it must be called
+ * *before* curl_global_init().
+ *
+ * The backend can be identified by the id (e.g. CURLSSLBACKEND_OPENSSL). The
+ * backend can also be specified via the name parameter (passing -1 as id).
+ * If both id and name are specified, the name will be ignored. If neither id
+ * nor name are specified, the function will fail with
+ * CURLSSLSET_UNKNOWN_BACKEND and set the "avail" pointer to the
+ * NULL-terminated list of available backends.
+ *
+ * Upon success, the function returns CURLSSLSET_OK.
+ *
+ * If the specified SSL backend is not available, the function returns
+ * CURLSSLSET_UNKNOWN_BACKEND and sets the "avail" pointer to a NULL-terminated
+ * list of available SSL backends.
+ *
+ * The SSL backend can be set only once. If it has already been set, a
+ * subsequent attempt to change it will result in a CURLSSLSET_TOO_LATE.
+ */
+
+typedef struct {
+  curl_sslbackend id;
+  const char *name;
+} curl_ssl_backend;
+
+typedef enum {
+  CURLSSLSET_OK = 0,
+  CURLSSLSET_UNKNOWN_BACKEND,
+  CURLSSLSET_TOO_LATE,
+  CURLSSLSET_NO_BACKENDS /* libcurl was built without any SSL support */
+} CURLsslset;
+
+CURL_EXTERN CURLsslset curl_global_sslset(curl_sslbackend id, const char *name,
+                                          const curl_ssl_backend ***avail);
+
+/*
+ * NAME curl_slist_append()
+ *
+ * DESCRIPTION
+ *
+ * Appends a string to a linked list. If no list exists, it will be created
+ * first. Returns the new list, after appending.
+ */
+CURL_EXTERN struct curl_slist *curl_slist_append(struct curl_slist *,
+                                                 const char *);
+
+/*
+ * NAME curl_slist_free_all()
+ *
+ * DESCRIPTION
+ *
+ * free a previously built curl_slist.
+ */
+CURL_EXTERN void curl_slist_free_all(struct curl_slist *);
+
+/*
+ * NAME curl_getdate()
+ *
+ * DESCRIPTION
+ *
+ * Returns the time, in seconds since 1 Jan 1970 of the time string given in
+ * the first argument. The time argument in the second parameter is unused
+ * and should be set to NULL.
+ */
+CURL_EXTERN time_t curl_getdate(const char *p, const time_t *unused);
+
+/* info about the certificate chain, only for OpenSSL builds. Asked
+   for with CURLOPT_CERTINFO / CURLINFO_CERTINFO */
+struct curl_certinfo {
+  int num_of_certs;             /* number of certificates with information */
+  struct curl_slist **certinfo; /* for each index in this array, there's a
+                                   linked list with textual information in the
+                                   format "name: value" */
+};
+
+/* Information about the SSL library used and the respective internal SSL
+   handle, which can be used to obtain further information regarding the
+   connection. Asked for with CURLINFO_TLS_SSL_PTR or CURLINFO_TLS_SESSION. */
+struct curl_tlssessioninfo {
+  curl_sslbackend backend;
+  void *internals;
+};
+
+#define CURLINFO_STRING   0x100000
+#define CURLINFO_LONG     0x200000
+#define CURLINFO_DOUBLE   0x300000
+#define CURLINFO_SLIST    0x400000
+#define CURLINFO_PTR      0x400000 /* same as SLIST */
+#define CURLINFO_SOCKET   0x500000
+#define CURLINFO_OFF_T    0x600000
+#define CURLINFO_MASK     0x0fffff
+#define CURLINFO_TYPEMASK 0xf00000
+
+typedef enum {
+  CURLINFO_NONE, /* first, never use this */
+  CURLINFO_EFFECTIVE_URL    = CURLINFO_STRING + 1,
+  CURLINFO_RESPONSE_CODE    = CURLINFO_LONG   + 2,
+  CURLINFO_TOTAL_TIME       = CURLINFO_DOUBLE + 3,
+  CURLINFO_NAMELOOKUP_TIME  = CURLINFO_DOUBLE + 4,
+  CURLINFO_CONNECT_TIME     = CURLINFO_DOUBLE + 5,
+  CURLINFO_PRETRANSFER_TIME = CURLINFO_DOUBLE + 6,
+  CURLINFO_SIZE_UPLOAD      = CURLINFO_DOUBLE + 7,
+  CURLINFO_SIZE_UPLOAD_T    = CURLINFO_OFF_T  + 7,
+  CURLINFO_SIZE_DOWNLOAD    = CURLINFO_DOUBLE + 8,
+  CURLINFO_SIZE_DOWNLOAD_T  = CURLINFO_OFF_T  + 8,
+  CURLINFO_SPEED_DOWNLOAD   = CURLINFO_DOUBLE + 9,
+  CURLINFO_SPEED_DOWNLOAD_T = CURLINFO_OFF_T  + 9,
+  CURLINFO_SPEED_UPLOAD     = CURLINFO_DOUBLE + 10,
+  CURLINFO_SPEED_UPLOAD_T   = CURLINFO_OFF_T  + 10,
+  CURLINFO_HEADER_SIZE      = CURLINFO_LONG   + 11,
+  CURLINFO_REQUEST_SIZE     = CURLINFO_LONG   + 12,
+  CURLINFO_SSL_VERIFYRESULT = CURLINFO_LONG   + 13,
+  CURLINFO_FILETIME         = CURLINFO_LONG   + 14,
+  CURLINFO_FILETIME_T       = CURLINFO_OFF_T  + 14,
+  CURLINFO_CONTENT_LENGTH_DOWNLOAD   = CURLINFO_DOUBLE + 15,
+  CURLINFO_CONTENT_LENGTH_DOWNLOAD_T = CURLINFO_OFF_T  + 15,
+  CURLINFO_CONTENT_LENGTH_UPLOAD     = CURLINFO_DOUBLE + 16,
+  CURLINFO_CONTENT_LENGTH_UPLOAD_T   = CURLINFO_OFF_T  + 16,
+  CURLINFO_STARTTRANSFER_TIME = CURLINFO_DOUBLE + 17,
+  CURLINFO_CONTENT_TYPE     = CURLINFO_STRING + 18,
+  CURLINFO_REDIRECT_TIME    = CURLINFO_DOUBLE + 19,
+  CURLINFO_REDIRECT_COUNT   = CURLINFO_LONG   + 20,
+  CURLINFO_PRIVATE          = CURLINFO_STRING + 21,
+  CURLINFO_HTTP_CONNECTCODE = CURLINFO_LONG   + 22,
+  CURLINFO_HTTPAUTH_AVAIL   = CURLINFO_LONG   + 23,
+  CURLINFO_PROXYAUTH_AVAIL  = CURLINFO_LONG   + 24,
+  CURLINFO_OS_ERRNO         = CURLINFO_LONG   + 25,
+  CURLINFO_NUM_CONNECTS     = CURLINFO_LONG   + 26,
+  CURLINFO_SSL_ENGINES      = CURLINFO_SLIST  + 27,
+  CURLINFO_COOKIELIST       = CURLINFO_SLIST  + 28,
+  CURLINFO_LASTSOCKET       = CURLINFO_LONG   + 29,
+  CURLINFO_FTP_ENTRY_PATH   = CURLINFO_STRING + 30,
+  CURLINFO_REDIRECT_URL     = CURLINFO_STRING + 31,
+  CURLINFO_PRIMARY_IP       = CURLINFO_STRING + 32,
+  CURLINFO_APPCONNECT_TIME  = CURLINFO_DOUBLE + 33,
+  CURLINFO_CERTINFO         = CURLINFO_PTR    + 34,
+  CURLINFO_CONDITION_UNMET  = CURLINFO_LONG   + 35,
+  CURLINFO_RTSP_SESSION_ID  = CURLINFO_STRING + 36,
+  CURLINFO_RTSP_CLIENT_CSEQ = CURLINFO_LONG   + 37,
+  CURLINFO_RTSP_SERVER_CSEQ = CURLINFO_LONG   + 38,
+  CURLINFO_RTSP_CSEQ_RECV   = CURLINFO_LONG   + 39,
+  CURLINFO_PRIMARY_PORT     = CURLINFO_LONG   + 40,
+  CURLINFO_LOCAL_IP         = CURLINFO_STRING + 41,
+  CURLINFO_LOCAL_PORT       = CURLINFO_LONG   + 42,
+  CURLINFO_TLS_SESSION      = CURLINFO_PTR    + 43,
+  CURLINFO_ACTIVESOCKET     = CURLINFO_SOCKET + 44,
+  CURLINFO_TLS_SSL_PTR      = CURLINFO_PTR    + 45,
+  CURLINFO_HTTP_VERSION     = CURLINFO_LONG   + 46,
+  CURLINFO_PROXY_SSL_VERIFYRESULT = CURLINFO_LONG + 47,
+  CURLINFO_PROTOCOL         = CURLINFO_LONG   + 48,
+  CURLINFO_SCHEME           = CURLINFO_STRING + 49,
+  /* Fill in new entries below here! */
+
+  /* Preferably these would be defined conditionally based on the
+     sizeof curl_off_t being 64-bits */
+  CURLINFO_TOTAL_TIME_T     = CURLINFO_OFF_T + 50,
+  CURLINFO_NAMELOOKUP_TIME_T = CURLINFO_OFF_T + 51,
+  CURLINFO_CONNECT_TIME_T   = CURLINFO_OFF_T + 52,
+  CURLINFO_PRETRANSFER_TIME_T = CURLINFO_OFF_T + 53,
+  CURLINFO_STARTTRANSFER_TIME_T = CURLINFO_OFF_T + 54,
+  CURLINFO_REDIRECT_TIME_T  = CURLINFO_OFF_T + 55,
+  CURLINFO_APPCONNECT_TIME_T = CURLINFO_OFF_T + 56,
+
+  CURLINFO_LASTONE          = 56
+} CURLINFO;
+
+/* CURLINFO_RESPONSE_CODE is the new name for the option previously known as
+   CURLINFO_HTTP_CODE */
+#define CURLINFO_HTTP_CODE CURLINFO_RESPONSE_CODE
+
+typedef enum {
+  CURLCLOSEPOLICY_NONE, /* first, never use this */
+
+  CURLCLOSEPOLICY_OLDEST,
+  CURLCLOSEPOLICY_LEAST_RECENTLY_USED,
+  CURLCLOSEPOLICY_LEAST_TRAFFIC,
+  CURLCLOSEPOLICY_SLOWEST,
+  CURLCLOSEPOLICY_CALLBACK,
+
+  CURLCLOSEPOLICY_LAST /* last, never use this */
+} curl_closepolicy;
+
+#define CURL_GLOBAL_SSL (1<<0) /* no purpose since since 7.57.0 */
+#define CURL_GLOBAL_WIN32 (1<<1)
+#define CURL_GLOBAL_ALL (CURL_GLOBAL_SSL|CURL_GLOBAL_WIN32)
+#define CURL_GLOBAL_NOTHING 0
+#define CURL_GLOBAL_DEFAULT CURL_GLOBAL_ALL
+#define CURL_GLOBAL_ACK_EINTR (1<<2)
+
+
+/*****************************************************************************
+ * Setup defines, protos etc for the sharing stuff.
+ */
+
+/* Different data locks for a single share */
+typedef enum {
+  CURL_LOCK_DATA_NONE = 0,
+  /*  CURL_LOCK_DATA_SHARE is used internally to say that
+   *  the locking is just made to change the internal state of the share
+   *  itself.
+   */
+  CURL_LOCK_DATA_SHARE,
+  CURL_LOCK_DATA_COOKIE,
+  CURL_LOCK_DATA_DNS,
+  CURL_LOCK_DATA_SSL_SESSION,
+  CURL_LOCK_DATA_CONNECT,
+  CURL_LOCK_DATA_PSL,
+  CURL_LOCK_DATA_LAST
+} curl_lock_data;
+
+/* Different lock access types */
+typedef enum {
+  CURL_LOCK_ACCESS_NONE = 0,   /* unspecified action */
+  CURL_LOCK_ACCESS_SHARED = 1, /* for read perhaps */
+  CURL_LOCK_ACCESS_SINGLE = 2, /* for write perhaps */
+  CURL_LOCK_ACCESS_LAST        /* never use */
+} curl_lock_access;
+
+typedef void (*curl_lock_function)(CURL *handle,
+                                   curl_lock_data data,
+                                   curl_lock_access locktype,
+                                   void *userptr);
+typedef void (*curl_unlock_function)(CURL *handle,
+                                     curl_lock_data data,
+                                     void *userptr);
+
+
+typedef enum {
+  CURLSHE_OK,  /* all is fine */
+  CURLSHE_BAD_OPTION, /* 1 */
+  CURLSHE_IN_USE,     /* 2 */
+  CURLSHE_INVALID,    /* 3 */
+  CURLSHE_NOMEM,      /* 4 out of memory */
+  CURLSHE_NOT_BUILT_IN, /* 5 feature not present in lib */
+  CURLSHE_LAST        /* never use */
+} CURLSHcode;
+
+typedef enum {
+  CURLSHOPT_NONE,  /* don't use */
+  CURLSHOPT_SHARE,   /* specify a data type to share */
+  CURLSHOPT_UNSHARE, /* specify which data type to stop sharing */
+  CURLSHOPT_LOCKFUNC,   /* pass in a 'curl_lock_function' pointer */
+  CURLSHOPT_UNLOCKFUNC, /* pass in a 'curl_unlock_function' pointer */
+  CURLSHOPT_USERDATA,   /* pass in a user data pointer used in the lock/unlock
+                           callback functions */
+  CURLSHOPT_LAST  /* never use */
+} CURLSHoption;
+
+CURL_EXTERN CURLSH *curl_share_init(void);
+CURL_EXTERN CURLSHcode curl_share_setopt(CURLSH *, CURLSHoption option, ...);
+CURL_EXTERN CURLSHcode curl_share_cleanup(CURLSH *);
+
+/****************************************************************************
+ * Structures for querying information about the curl library at runtime.
+ */
+
+typedef enum {
+  CURLVERSION_FIRST,
+  CURLVERSION_SECOND,
+  CURLVERSION_THIRD,
+  CURLVERSION_FOURTH,
+  CURLVERSION_FIFTH,
+  CURLVERSION_LAST /* never actually use this */
+} CURLversion;
+
+/* The 'CURLVERSION_NOW' is the symbolic name meant to be used by
+   basically all programs ever that want to get version information. It is
+   meant to be a built-in version number for what kind of struct the caller
+   expects. If the struct ever changes, we redefine the NOW to another enum
+   from above. */
+#define CURLVERSION_NOW CURLVERSION_FIFTH
+
+typedef struct {
+  CURLversion age;          /* age of the returned struct */
+  const char *version;      /* LIBCURL_VERSION */
+  unsigned int version_num; /* LIBCURL_VERSION_NUM */
+  const char *host;         /* OS/host/cpu/machine when configured */
+  int features;             /* bitmask, see defines below */
+  const char *ssl_version;  /* human readable string */
+  long ssl_version_num;     /* not used anymore, always 0 */
+  const char *libz_version; /* human readable string */
+  /* protocols is terminated by an entry with a NULL protoname */
+  const char * const *protocols;
+
+  /* The fields below this were added in CURLVERSION_SECOND */
+  const char *ares;
+  int ares_num;
+
+  /* This field was added in CURLVERSION_THIRD */
+  const char *libidn;
+
+  /* These field were added in CURLVERSION_FOURTH */
+
+  /* Same as '_libiconv_version' if built with HAVE_ICONV */
+  int iconv_ver_num;
+
+  const char *libssh_version; /* human readable string */
+
+  /* These fields were added in CURLVERSION_FIFTH */
+
+  unsigned int brotli_ver_num; /* Numeric Brotli version
+                                  (MAJOR << 24) | (MINOR << 12) | PATCH */
+  const char *brotli_version; /* human readable string. */
+
+} curl_version_info_data;
+
+#define CURL_VERSION_IPV6         (1<<0)  /* IPv6-enabled */
+#define CURL_VERSION_KERBEROS4    (1<<1)  /* Kerberos V4 auth is supported
+                                             (deprecated) */
+#define CURL_VERSION_SSL          (1<<2)  /* SSL options are present */
+#define CURL_VERSION_LIBZ         (1<<3)  /* libz features are present */
+#define CURL_VERSION_NTLM         (1<<4)  /* NTLM auth is supported */
+#define CURL_VERSION_GSSNEGOTIATE (1<<5)  /* Negotiate auth is supported
+                                             (deprecated) */
+#define CURL_VERSION_DEBUG        (1<<6)  /* Built with debug capabilities */
+#define CURL_VERSION_ASYNCHDNS    (1<<7)  /* Asynchronous DNS resolves */
+#define CURL_VERSION_SPNEGO       (1<<8)  /* SPNEGO auth is supported */
+#define CURL_VERSION_LARGEFILE    (1<<9)  /* Supports files larger than 2GB */
+#define CURL_VERSION_IDN          (1<<10) /* Internationized Domain Names are
+                                             supported */
+#define CURL_VERSION_SSPI         (1<<11) /* Built against Windows SSPI */
+#define CURL_VERSION_CONV         (1<<12) /* Character conversions supported */
+#define CURL_VERSION_CURLDEBUG    (1<<13) /* Debug memory tracking supported */
+#define CURL_VERSION_TLSAUTH_SRP  (1<<14) /* TLS-SRP auth is supported */
+#define CURL_VERSION_NTLM_WB      (1<<15) /* NTLM delegation to winbind helper
+                                             is supported */
+#define CURL_VERSION_HTTP2        (1<<16) /* HTTP2 support built-in */
+#define CURL_VERSION_GSSAPI       (1<<17) /* Built against a GSS-API library */
+#define CURL_VERSION_KERBEROS5    (1<<18) /* Kerberos V5 auth is supported */
+#define CURL_VERSION_UNIX_SOCKETS (1<<19) /* Unix domain sockets support */
+#define CURL_VERSION_PSL          (1<<20) /* Mozilla's Public Suffix List, used
+                                             for cookie domain verification */
+#define CURL_VERSION_HTTPS_PROXY  (1<<21) /* HTTPS-proxy support built-in */
+#define CURL_VERSION_MULTI_SSL    (1<<22) /* Multiple SSL backends available */
+#define CURL_VERSION_BROTLI       (1<<23) /* Brotli features are present. */
+
+ /*
+ * NAME curl_version_info()
+ *
+ * DESCRIPTION
+ *
+ * This function returns a pointer to a static copy of the version info
+ * struct. See above.
+ */
+CURL_EXTERN curl_version_info_data *curl_version_info(CURLversion);
+
+/*
+ * NAME curl_easy_strerror()
+ *
+ * DESCRIPTION
+ *
+ * The curl_easy_strerror function may be used to turn a CURLcode value
+ * into the equivalent human readable error string.  This is useful
+ * for printing meaningful error messages.
+ */
+CURL_EXTERN const char *curl_easy_strerror(CURLcode);
+
+/*
+ * NAME curl_share_strerror()
+ *
+ * DESCRIPTION
+ *
+ * The curl_share_strerror function may be used to turn a CURLSHcode value
+ * into the equivalent human readable error string.  This is useful
+ * for printing meaningful error messages.
+ */
+CURL_EXTERN const char *curl_share_strerror(CURLSHcode);
+
+/*
+ * NAME curl_easy_pause()
+ *
+ * DESCRIPTION
+ *
+ * The curl_easy_pause function pauses or unpauses transfers. Select the new
+ * state by setting the bitmask, use the convenience defines below.
+ *
+ */
+CURL_EXTERN CURLcode curl_easy_pause(CURL *handle, int bitmask);
+
+#define CURLPAUSE_RECV      (1<<0)
+#define CURLPAUSE_RECV_CONT (0)
+
+#define CURLPAUSE_SEND      (1<<2)
+#define CURLPAUSE_SEND_CONT (0)
+
+#define CURLPAUSE_ALL       (CURLPAUSE_RECV|CURLPAUSE_SEND)
+#define CURLPAUSE_CONT      (CURLPAUSE_RECV_CONT|CURLPAUSE_SEND_CONT)
+
+#ifdef  __cplusplus
+}
+#endif
+
+/* unfortunately, the easy.h and multi.h include files need options and info
+  stuff before they can be included! */
+#include "easy.h" /* nothing in curl is fun without the easy stuff */
+#include "multi.h"
+#include "urlapi.h"
+
+/* the typechecker doesn't work in C++ (yet) */
+#if defined(__GNUC__) && defined(__GNUC_MINOR__) && \
+    ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && \
+    !defined(__cplusplus) && !defined(CURL_DISABLE_TYPECHECK)
+#include "typecheck-gcc.h"
+#else
+#if defined(__STDC__) && (__STDC__ >= 1)
+/* This preprocessor magic that replaces a call with the exact same call is
+   only done to make sure application authors pass exactly three arguments
+   to these functions. */
+#define curl_easy_setopt(handle,opt,param) curl_easy_setopt(handle,opt,param)
+#define curl_easy_getinfo(handle,info,arg) curl_easy_getinfo(handle,info,arg)
+#define curl_share_setopt(share,opt,param) curl_share_setopt(share,opt,param)
+#define curl_multi_setopt(handle,opt,param) curl_multi_setopt(handle,opt,param)
+#endif /* __STDC__ >= 1 */
+#endif /* gcc >= 4.3 && !__cplusplus */
+
+#endif /* __CURL_CURL_H */
Index: trunk/src/libs/curl-7.64.0/include/curl/curlver.h
===================================================================
--- trunk/src/libs/curl-7.64.0/include/curl/curlver.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/include/curl/curlver.h	(revision 85671)
@@ -0,0 +1,77 @@
+#ifndef __CURL_CURLVER_H
+#define __CURL_CURLVER_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* This header file contains nothing but libcurl version info, generated by
+   a script at release-time. This was made its own header file in 7.11.2 */
+
+/* This is the global package copyright */
+#define LIBCURL_COPYRIGHT "1996 - 2018 Daniel Stenberg, <daniel@haxx.se>."
+
+/* This is the version number of the libcurl package from which this header
+   file origins: */
+#define LIBCURL_VERSION "7.64.0"
+
+/* The numeric version number is also available "in parts" by using these
+   defines: */
+#define LIBCURL_VERSION_MAJOR 7
+#define LIBCURL_VERSION_MINOR 64
+#define LIBCURL_VERSION_PATCH 0
+
+/* This is the numeric version of the libcurl version number, meant for easier
+   parsing and comparions by programs. The LIBCURL_VERSION_NUM define will
+   always follow this syntax:
+
+         0xXXYYZZ
+
+   Where XX, YY and ZZ are the main version, release and patch numbers in
+   hexadecimal (using 8 bits each). All three numbers are always represented
+   using two digits.  1.2 would appear as "0x010200" while version 9.11.7
+   appears as "0x090b07".
+
+   This 6-digit (24 bits) hexadecimal number does not show pre-release number,
+   and it is always a greater number in a more recent release. It makes
+   comparisons with greater than and less than work.
+
+   Note: This define is the full hex number and _does not_ use the
+   CURL_VERSION_BITS() macro since curl's own configure script greps for it
+   and needs it to contain the full number.
+*/
+#define LIBCURL_VERSION_NUM 0x074000
+
+/*
+ * This is the date and time when the full source package was created. The
+ * timestamp is not stored in git, as the timestamp is properly set in the
+ * tarballs by the maketgz script.
+ *
+ * The format of the date follows this template:
+ *
+ * "2007-11-23"
+ */
+#define LIBCURL_TIMESTAMP "2019-02-06"
+
+#define CURL_VERSION_BITS(x,y,z) ((x)<<16|(y)<<8|z)
+#define CURL_AT_LEAST_VERSION(x,y,z) \
+  (LIBCURL_VERSION_NUM >= CURL_VERSION_BITS(x, y, z))
+
+#endif /* __CURL_CURLVER_H */
Index: trunk/src/libs/curl-7.64.0/include/curl/easy.h
===================================================================
--- trunk/src/libs/curl-7.64.0/include/curl/easy.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/include/curl/easy.h	(revision 85671)
@@ -0,0 +1,112 @@
+#ifndef __CURL_EASY_H
+#define __CURL_EASY_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+CURL_EXTERN CURL *curl_easy_init(void);
+CURL_EXTERN CURLcode curl_easy_setopt(CURL *curl, CURLoption option, ...);
+CURL_EXTERN CURLcode curl_easy_perform(CURL *curl);
+CURL_EXTERN void curl_easy_cleanup(CURL *curl);
+
+/*
+ * NAME curl_easy_getinfo()
+ *
+ * DESCRIPTION
+ *
+ * Request internal information from the curl session with this function.  The
+ * third argument MUST be a pointer to a long, a pointer to a char * or a
+ * pointer to a double (as the documentation describes elsewhere).  The data
+ * pointed to will be filled in accordingly and can be relied upon only if the
+ * function returns CURLE_OK.  This function is intended to get used *AFTER* a
+ * performed transfer, all results from this function are undefined until the
+ * transfer is completed.
+ */
+CURL_EXTERN CURLcode curl_easy_getinfo(CURL *curl, CURLINFO info, ...);
+
+
+/*
+ * NAME curl_easy_duphandle()
+ *
+ * DESCRIPTION
+ *
+ * Creates a new curl session handle with the same options set for the handle
+ * passed in. Duplicating a handle could only be a matter of cloning data and
+ * options, internal state info and things like persistent connections cannot
+ * be transferred. It is useful in multithreaded applications when you can run
+ * curl_easy_duphandle() for each new thread to avoid a series of identical
+ * curl_easy_setopt() invokes in every thread.
+ */
+CURL_EXTERN CURL *curl_easy_duphandle(CURL *curl);
+
+/*
+ * NAME curl_easy_reset()
+ *
+ * DESCRIPTION
+ *
+ * Re-initializes a CURL handle to the default values. This puts back the
+ * handle to the same state as it was in when it was just created.
+ *
+ * It does keep: live connections, the Session ID cache, the DNS cache and the
+ * cookies.
+ */
+CURL_EXTERN void curl_easy_reset(CURL *curl);
+
+/*
+ * NAME curl_easy_recv()
+ *
+ * DESCRIPTION
+ *
+ * Receives data from the connected socket. Use after successful
+ * curl_easy_perform() with CURLOPT_CONNECT_ONLY option.
+ */
+CURL_EXTERN CURLcode curl_easy_recv(CURL *curl, void *buffer, size_t buflen,
+                                    size_t *n);
+
+/*
+ * NAME curl_easy_send()
+ *
+ * DESCRIPTION
+ *
+ * Sends data over the connected socket. Use after successful
+ * curl_easy_perform() with CURLOPT_CONNECT_ONLY option.
+ */
+CURL_EXTERN CURLcode curl_easy_send(CURL *curl, const void *buffer,
+                                    size_t buflen, size_t *n);
+
+
+/*
+ * NAME curl_easy_upkeep()
+ *
+ * DESCRIPTION
+ *
+ * Performs connection upkeep for the given session handle.
+ */
+CURL_EXTERN CURLcode curl_easy_upkeep(CURL *curl);
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif
Index: trunk/src/libs/curl-7.64.0/include/curl/mprintf.h
===================================================================
--- trunk/src/libs/curl-7.64.0/include/curl/mprintf.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/include/curl/mprintf.h	(revision 85671)
@@ -0,0 +1,50 @@
+#ifndef __CURL_MPRINTF_H
+#define __CURL_MPRINTF_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include <stdarg.h>
+#include <stdio.h> /* needed for FILE */
+#include "curl.h"  /* for CURL_EXTERN */
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+CURL_EXTERN int curl_mprintf(const char *format, ...);
+CURL_EXTERN int curl_mfprintf(FILE *fd, const char *format, ...);
+CURL_EXTERN int curl_msprintf(char *buffer, const char *format, ...);
+CURL_EXTERN int curl_msnprintf(char *buffer, size_t maxlength,
+                               const char *format, ...);
+CURL_EXTERN int curl_mvprintf(const char *format, va_list args);
+CURL_EXTERN int curl_mvfprintf(FILE *fd, const char *format, va_list args);
+CURL_EXTERN int curl_mvsprintf(char *buffer, const char *format, va_list args);
+CURL_EXTERN int curl_mvsnprintf(char *buffer, size_t maxlength,
+                                const char *format, va_list args);
+CURL_EXTERN char *curl_maprintf(const char *format, ...);
+CURL_EXTERN char *curl_mvaprintf(const char *format, va_list args);
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif /* __CURL_MPRINTF_H */
Index: trunk/src/libs/curl-7.64.0/include/curl/multi.h
===================================================================
--- trunk/src/libs/curl-7.64.0/include/curl/multi.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/include/curl/multi.h	(revision 85671)
@@ -0,0 +1,441 @@
+#ifndef __CURL_MULTI_H
+#define __CURL_MULTI_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+/*
+  This is an "external" header file. Don't give away any internals here!
+
+  GOALS
+
+  o Enable a "pull" interface. The application that uses libcurl decides where
+    and when to ask libcurl to get/send data.
+
+  o Enable multiple simultaneous transfers in the same thread without making it
+    complicated for the application.
+
+  o Enable the application to select() on its own file descriptors and curl's
+    file descriptors simultaneous easily.
+
+*/
+
+/*
+ * This header file should not really need to include "curl.h" since curl.h
+ * itself includes this file and we expect user applications to do #include
+ * <curl/curl.h> without the need for especially including multi.h.
+ *
+ * For some reason we added this include here at one point, and rather than to
+ * break existing (wrongly written) libcurl applications, we leave it as-is
+ * but with this warning attached.
+ */
+#include "curl.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#if defined(BUILDING_LIBCURL) || defined(CURL_STRICTER)
+typedef struct Curl_multi CURLM;
+#else
+typedef void CURLM;
+#endif
+
+typedef enum {
+  CURLM_CALL_MULTI_PERFORM = -1, /* please call curl_multi_perform() or
+                                    curl_multi_socket*() soon */
+  CURLM_OK,
+  CURLM_BAD_HANDLE,      /* the passed-in handle is not a valid CURLM handle */
+  CURLM_BAD_EASY_HANDLE, /* an easy handle was not good/valid */
+  CURLM_OUT_OF_MEMORY,   /* if you ever get this, you're in deep sh*t */
+  CURLM_INTERNAL_ERROR,  /* this is a libcurl bug */
+  CURLM_BAD_SOCKET,      /* the passed in socket argument did not match */
+  CURLM_UNKNOWN_OPTION,  /* curl_multi_setopt() with unsupported option */
+  CURLM_ADDED_ALREADY,   /* an easy handle already added to a multi handle was
+                            attempted to get added - again */
+  CURLM_RECURSIVE_API_CALL, /* an api function was called from inside a
+                               callback */
+  CURLM_LAST
+} CURLMcode;
+
+/* just to make code nicer when using curl_multi_socket() you can now check
+   for CURLM_CALL_MULTI_SOCKET too in the same style it works for
+   curl_multi_perform() and CURLM_CALL_MULTI_PERFORM */
+#define CURLM_CALL_MULTI_SOCKET CURLM_CALL_MULTI_PERFORM
+
+/* bitmask bits for CURLMOPT_PIPELINING */
+#define CURLPIPE_NOTHING   0L
+#define CURLPIPE_HTTP1     1L
+#define CURLPIPE_MULTIPLEX 2L
+
+typedef enum {
+  CURLMSG_NONE, /* first, not used */
+  CURLMSG_DONE, /* This easy handle has completed. 'result' contains
+                   the CURLcode of the transfer */
+  CURLMSG_LAST /* last, not used */
+} CURLMSG;
+
+struct CURLMsg {
+  CURLMSG msg;       /* what this message means */
+  CURL *easy_handle; /* the handle it concerns */
+  union {
+    void *whatever;    /* message-specific data */
+    CURLcode result;   /* return code for transfer */
+  } data;
+};
+typedef struct CURLMsg CURLMsg;
+
+/* Based on poll(2) structure and values.
+ * We don't use pollfd and POLL* constants explicitly
+ * to cover platforms without poll(). */
+#define CURL_WAIT_POLLIN    0x0001
+#define CURL_WAIT_POLLPRI   0x0002
+#define CURL_WAIT_POLLOUT   0x0004
+
+struct curl_waitfd {
+  curl_socket_t fd;
+  short events;
+  short revents; /* not supported yet */
+};
+
+/*
+ * Name:    curl_multi_init()
+ *
+ * Desc:    inititalize multi-style curl usage
+ *
+ * Returns: a new CURLM handle to use in all 'curl_multi' functions.
+ */
+CURL_EXTERN CURLM *curl_multi_init(void);
+
+/*
+ * Name:    curl_multi_add_handle()
+ *
+ * Desc:    add a standard curl handle to the multi stack
+ *
+ * Returns: CURLMcode type, general multi error code.
+ */
+CURL_EXTERN CURLMcode curl_multi_add_handle(CURLM *multi_handle,
+                                            CURL *curl_handle);
+
+ /*
+  * Name:    curl_multi_remove_handle()
+  *
+  * Desc:    removes a curl handle from the multi stack again
+  *
+  * Returns: CURLMcode type, general multi error code.
+  */
+CURL_EXTERN CURLMcode curl_multi_remove_handle(CURLM *multi_handle,
+                                               CURL *curl_handle);
+
+ /*
+  * Name:    curl_multi_fdset()
+  *
+  * Desc:    Ask curl for its fd_set sets. The app can use these to select() or
+  *          poll() on. We want curl_multi_perform() called as soon as one of
+  *          them are ready.
+  *
+  * Returns: CURLMcode type, general multi error code.
+  */
+CURL_EXTERN CURLMcode curl_multi_fdset(CURLM *multi_handle,
+                                       fd_set *read_fd_set,
+                                       fd_set *write_fd_set,
+                                       fd_set *exc_fd_set,
+                                       int *max_fd);
+
+/*
+ * Name:     curl_multi_wait()
+ *
+ * Desc:     Poll on all fds within a CURLM set as well as any
+ *           additional fds passed to the function.
+ *
+ * Returns:  CURLMcode type, general multi error code.
+ */
+CURL_EXTERN CURLMcode curl_multi_wait(CURLM *multi_handle,
+                                      struct curl_waitfd extra_fds[],
+                                      unsigned int extra_nfds,
+                                      int timeout_ms,
+                                      int *ret);
+
+ /*
+  * Name:    curl_multi_perform()
+  *
+  * Desc:    When the app thinks there's data available for curl it calls this
+  *          function to read/write whatever there is right now. This returns
+  *          as soon as the reads and writes are done. This function does not
+  *          require that there actually is data available for reading or that
+  *          data can be written, it can be called just in case. It returns
+  *          the number of handles that still transfer data in the second
+  *          argument's integer-pointer.
+  *
+  * Returns: CURLMcode type, general multi error code. *NOTE* that this only
+  *          returns errors etc regarding the whole multi stack. There might
+  *          still have occurred problems on individual transfers even when
+  *          this returns OK.
+  */
+CURL_EXTERN CURLMcode curl_multi_perform(CURLM *multi_handle,
+                                         int *running_handles);
+
+ /*
+  * Name:    curl_multi_cleanup()
+  *
+  * Desc:    Cleans up and removes a whole multi stack. It does not free or
+  *          touch any individual easy handles in any way. We need to define
+  *          in what state those handles will be if this function is called
+  *          in the middle of a transfer.
+  *
+  * Returns: CURLMcode type, general multi error code.
+  */
+CURL_EXTERN CURLMcode curl_multi_cleanup(CURLM *multi_handle);
+
+/*
+ * Name:    curl_multi_info_read()
+ *
+ * Desc:    Ask the multi handle if there's any messages/informationals from
+ *          the individual transfers. Messages include informationals such as
+ *          error code from the transfer or just the fact that a transfer is
+ *          completed. More details on these should be written down as well.
+ *
+ *          Repeated calls to this function will return a new struct each
+ *          time, until a special "end of msgs" struct is returned as a signal
+ *          that there is no more to get at this point.
+ *
+ *          The data the returned pointer points to will not survive calling
+ *          curl_multi_cleanup().
+ *
+ *          The 'CURLMsg' struct is meant to be very simple and only contain
+ *          very basic information. If more involved information is wanted,
+ *          we will provide the particular "transfer handle" in that struct
+ *          and that should/could/would be used in subsequent
+ *          curl_easy_getinfo() calls (or similar). The point being that we
+ *          must never expose complex structs to applications, as then we'll
+ *          undoubtably get backwards compatibility problems in the future.
+ *
+ * Returns: A pointer to a filled-in struct, or NULL if it failed or ran out
+ *          of structs. It also writes the number of messages left in the
+ *          queue (after this read) in the integer the second argument points
+ *          to.
+ */
+CURL_EXTERN CURLMsg *curl_multi_info_read(CURLM *multi_handle,
+                                          int *msgs_in_queue);
+
+/*
+ * Name:    curl_multi_strerror()
+ *
+ * Desc:    The curl_multi_strerror function may be used to turn a CURLMcode
+ *          value into the equivalent human readable error string.  This is
+ *          useful for printing meaningful error messages.
+ *
+ * Returns: A pointer to a zero-terminated error message.
+ */
+CURL_EXTERN const char *curl_multi_strerror(CURLMcode);
+
+/*
+ * Name:    curl_multi_socket() and
+ *          curl_multi_socket_all()
+ *
+ * Desc:    An alternative version of curl_multi_perform() that allows the
+ *          application to pass in one of the file descriptors that have been
+ *          detected to have "action" on them and let libcurl perform.
+ *          See man page for details.
+ */
+#define CURL_POLL_NONE   0
+#define CURL_POLL_IN     1
+#define CURL_POLL_OUT    2
+#define CURL_POLL_INOUT  3
+#define CURL_POLL_REMOVE 4
+
+#define CURL_SOCKET_TIMEOUT CURL_SOCKET_BAD
+
+#define CURL_CSELECT_IN   0x01
+#define CURL_CSELECT_OUT  0x02
+#define CURL_CSELECT_ERR  0x04
+
+typedef int (*curl_socket_callback)(CURL *easy,      /* easy handle */
+                                    curl_socket_t s, /* socket */
+                                    int what,        /* see above */
+                                    void *userp,     /* private callback
+                                                        pointer */
+                                    void *socketp);  /* private socket
+                                                        pointer */
+/*
+ * Name:    curl_multi_timer_callback
+ *
+ * Desc:    Called by libcurl whenever the library detects a change in the
+ *          maximum number of milliseconds the app is allowed to wait before
+ *          curl_multi_socket() or curl_multi_perform() must be called
+ *          (to allow libcurl's timed events to take place).
+ *
+ * Returns: The callback should return zero.
+ */
+typedef int (*curl_multi_timer_callback)(CURLM *multi,    /* multi handle */
+                                         long timeout_ms, /* see above */
+                                         void *userp);    /* private callback
+                                                             pointer */
+
+CURL_EXTERN CURLMcode curl_multi_socket(CURLM *multi_handle, curl_socket_t s,
+                                        int *running_handles);
+
+CURL_EXTERN CURLMcode curl_multi_socket_action(CURLM *multi_handle,
+                                               curl_socket_t s,
+                                               int ev_bitmask,
+                                               int *running_handles);
+
+CURL_EXTERN CURLMcode curl_multi_socket_all(CURLM *multi_handle,
+                                            int *running_handles);
+
+#ifndef CURL_ALLOW_OLD_MULTI_SOCKET
+/* This macro below was added in 7.16.3 to push users who recompile to use
+   the new curl_multi_socket_action() instead of the old curl_multi_socket()
+*/
+#define curl_multi_socket(x,y,z) curl_multi_socket_action(x,y,0,z)
+#endif
+
+/*
+ * Name:    curl_multi_timeout()
+ *
+ * Desc:    Returns the maximum number of milliseconds the app is allowed to
+ *          wait before curl_multi_socket() or curl_multi_perform() must be
+ *          called (to allow libcurl's timed events to take place).
+ *
+ * Returns: CURLM error code.
+ */
+CURL_EXTERN CURLMcode curl_multi_timeout(CURLM *multi_handle,
+                                         long *milliseconds);
+
+#undef CINIT /* re-using the same name as in curl.h */
+
+#ifdef CURL_ISOCPP
+#define CINIT(name,type,num) CURLMOPT_ ## name = CURLOPTTYPE_ ## type + num
+#else
+/* The macro "##" is ISO C, we assume pre-ISO C doesn't support it. */
+#define LONG          CURLOPTTYPE_LONG
+#define OBJECTPOINT   CURLOPTTYPE_OBJECTPOINT
+#define FUNCTIONPOINT CURLOPTTYPE_FUNCTIONPOINT
+#define OFF_T         CURLOPTTYPE_OFF_T
+#define CINIT(name,type,number) CURLMOPT_/**/name = type + number
+#endif
+
+typedef enum {
+  /* This is the socket callback function pointer */
+  CINIT(SOCKETFUNCTION, FUNCTIONPOINT, 1),
+
+  /* This is the argument passed to the socket callback */
+  CINIT(SOCKETDATA, OBJECTPOINT, 2),
+
+    /* set to 1 to enable pipelining for this multi handle */
+  CINIT(PIPELINING, LONG, 3),
+
+   /* This is the timer callback function pointer */
+  CINIT(TIMERFUNCTION, FUNCTIONPOINT, 4),
+
+  /* This is the argument passed to the timer callback */
+  CINIT(TIMERDATA, OBJECTPOINT, 5),
+
+  /* maximum number of entries in the connection cache */
+  CINIT(MAXCONNECTS, LONG, 6),
+
+  /* maximum number of (pipelining) connections to one host */
+  CINIT(MAX_HOST_CONNECTIONS, LONG, 7),
+
+  /* maximum number of requests in a pipeline */
+  CINIT(MAX_PIPELINE_LENGTH, LONG, 8),
+
+  /* a connection with a content-length longer than this
+     will not be considered for pipelining */
+  CINIT(CONTENT_LENGTH_PENALTY_SIZE, OFF_T, 9),
+
+  /* a connection with a chunk length longer than this
+     will not be considered for pipelining */
+  CINIT(CHUNK_LENGTH_PENALTY_SIZE, OFF_T, 10),
+
+  /* a list of site names(+port) that are blacklisted from
+     pipelining */
+  CINIT(PIPELINING_SITE_BL, OBJECTPOINT, 11),
+
+  /* a list of server types that are blacklisted from
+     pipelining */
+  CINIT(PIPELINING_SERVER_BL, OBJECTPOINT, 12),
+
+  /* maximum number of open connections in total */
+  CINIT(MAX_TOTAL_CONNECTIONS, LONG, 13),
+
+   /* This is the server push callback function pointer */
+  CINIT(PUSHFUNCTION, FUNCTIONPOINT, 14),
+
+  /* This is the argument passed to the server push callback */
+  CINIT(PUSHDATA, OBJECTPOINT, 15),
+
+  CURLMOPT_LASTENTRY /* the last unused */
+} CURLMoption;
+
+
+/*
+ * Name:    curl_multi_setopt()
+ *
+ * Desc:    Sets options for the multi handle.
+ *
+ * Returns: CURLM error code.
+ */
+CURL_EXTERN CURLMcode curl_multi_setopt(CURLM *multi_handle,
+                                        CURLMoption option, ...);
+
+
+/*
+ * Name:    curl_multi_assign()
+ *
+ * Desc:    This function sets an association in the multi handle between the
+ *          given socket and a private pointer of the application. This is
+ *          (only) useful for curl_multi_socket uses.
+ *
+ * Returns: CURLM error code.
+ */
+CURL_EXTERN CURLMcode curl_multi_assign(CURLM *multi_handle,
+                                        curl_socket_t sockfd, void *sockp);
+
+
+/*
+ * Name: curl_push_callback
+ *
+ * Desc: This callback gets called when a new stream is being pushed by the
+ *       server. It approves or denies the new stream.
+ *
+ * Returns: CURL_PUSH_OK or CURL_PUSH_DENY.
+ */
+#define CURL_PUSH_OK   0
+#define CURL_PUSH_DENY 1
+
+struct curl_pushheaders;  /* forward declaration only */
+
+CURL_EXTERN char *curl_pushheader_bynum(struct curl_pushheaders *h,
+                                        size_t num);
+CURL_EXTERN char *curl_pushheader_byname(struct curl_pushheaders *h,
+                                         const char *name);
+
+typedef int (*curl_push_callback)(CURL *parent,
+                                  CURL *easy,
+                                  size_t num_headers,
+                                  struct curl_pushheaders *headers,
+                                  void *userp);
+
+#ifdef __cplusplus
+} /* end of extern "C" */
+#endif
+
+#endif
Index: trunk/src/libs/curl-7.64.0/include/curl/stdcheaders.h
===================================================================
--- trunk/src/libs/curl-7.64.0/include/curl/stdcheaders.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/include/curl/stdcheaders.h	(revision 85671)
@@ -0,0 +1,33 @@
+#ifndef __STDC_HEADERS_H
+#define __STDC_HEADERS_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include <sys/types.h>
+
+size_t fread(void *, size_t, size_t, FILE *);
+size_t fwrite(const void *, size_t, size_t, FILE *);
+
+int strcasecmp(const char *, const char *);
+int strncasecmp(const char *, const char *, size_t);
+
+#endif /* __STDC_HEADERS_H */
Index: trunk/src/libs/curl-7.64.0/include/curl/system.h
===================================================================
--- trunk/src/libs/curl-7.64.0/include/curl/system.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/include/curl/system.h	(revision 85671)
@@ -0,0 +1,499 @@
+#ifndef __CURL_SYSTEM_H
+#define __CURL_SYSTEM_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Try to keep one section per platform, compiler and architecture, otherwise,
+ * if an existing section is reused for a different one and later on the
+ * original is adjusted, probably the piggybacking one can be adversely
+ * changed.
+ *
+ * In order to differentiate between platforms/compilers/architectures use
+ * only compiler built in predefined preprocessor symbols.
+ *
+ * curl_off_t
+ * ----------
+ *
+ * For any given platform/compiler curl_off_t must be typedef'ed to a 64-bit
+ * wide signed integral data type. The width of this data type must remain
+ * constant and independent of any possible large file support settings.
+ *
+ * As an exception to the above, curl_off_t shall be typedef'ed to a 32-bit
+ * wide signed integral data type if there is no 64-bit type.
+ *
+ * As a general rule, curl_off_t shall not be mapped to off_t. This rule shall
+ * only be violated if off_t is the only 64-bit data type available and the
+ * size of off_t is independent of large file support settings. Keep your
+ * build on the safe side avoiding an off_t gating.  If you have a 64-bit
+ * off_t then take for sure that another 64-bit data type exists, dig deeper
+ * and you will find it.
+ *
+ */
+
+#if defined(__DJGPP__) || defined(__GO32__)
+#  if defined(__DJGPP__) && (__DJGPP__ > 1)
+#    define CURL_TYPEOF_CURL_OFF_T     long long
+#    define CURL_FORMAT_CURL_OFF_T     "lld"
+#    define CURL_FORMAT_CURL_OFF_TU    "llu"
+#    define CURL_SUFFIX_CURL_OFF_T     LL
+#    define CURL_SUFFIX_CURL_OFF_TU    ULL
+#  else
+#    define CURL_TYPEOF_CURL_OFF_T     long
+#    define CURL_FORMAT_CURL_OFF_T     "ld"
+#    define CURL_FORMAT_CURL_OFF_TU    "lu"
+#    define CURL_SUFFIX_CURL_OFF_T     L
+#    define CURL_SUFFIX_CURL_OFF_TU    UL
+#  endif
+#  define CURL_TYPEOF_CURL_SOCKLEN_T int
+
+#elif defined(__SALFORDC__)
+#  define CURL_TYPEOF_CURL_OFF_T     long
+#  define CURL_FORMAT_CURL_OFF_T     "ld"
+#  define CURL_FORMAT_CURL_OFF_TU    "lu"
+#  define CURL_SUFFIX_CURL_OFF_T     L
+#  define CURL_SUFFIX_CURL_OFF_TU    UL
+#  define CURL_TYPEOF_CURL_SOCKLEN_T int
+
+#elif defined(__BORLANDC__)
+#  if (__BORLANDC__ < 0x520)
+#    define CURL_TYPEOF_CURL_OFF_T     long
+#    define CURL_FORMAT_CURL_OFF_T     "ld"
+#    define CURL_FORMAT_CURL_OFF_TU    "lu"
+#    define CURL_SUFFIX_CURL_OFF_T     L
+#    define CURL_SUFFIX_CURL_OFF_TU    UL
+#  else
+#    define CURL_TYPEOF_CURL_OFF_T     __int64
+#    define CURL_FORMAT_CURL_OFF_T     "I64d"
+#    define CURL_FORMAT_CURL_OFF_TU    "I64u"
+#    define CURL_SUFFIX_CURL_OFF_T     i64
+#    define CURL_SUFFIX_CURL_OFF_TU    ui64
+#  endif
+#  define CURL_TYPEOF_CURL_SOCKLEN_T int
+
+#elif defined(__TURBOC__)
+#  define CURL_TYPEOF_CURL_OFF_T     long
+#  define CURL_FORMAT_CURL_OFF_T     "ld"
+#  define CURL_FORMAT_CURL_OFF_TU    "lu"
+#  define CURL_SUFFIX_CURL_OFF_T     L
+#  define CURL_SUFFIX_CURL_OFF_TU    UL
+#  define CURL_TYPEOF_CURL_SOCKLEN_T int
+
+#elif defined(__WATCOMC__)
+#  if defined(__386__)
+#    define CURL_TYPEOF_CURL_OFF_T     __int64
+#    define CURL_FORMAT_CURL_OFF_T     "I64d"
+#    define CURL_FORMAT_CURL_OFF_TU    "I64u"
+#    define CURL_SUFFIX_CURL_OFF_T     i64
+#    define CURL_SUFFIX_CURL_OFF_TU    ui64
+#  else
+#    define CURL_TYPEOF_CURL_OFF_T     long
+#    define CURL_FORMAT_CURL_OFF_T     "ld"
+#    define CURL_FORMAT_CURL_OFF_TU    "lu"
+#    define CURL_SUFFIX_CURL_OFF_T     L
+#    define CURL_SUFFIX_CURL_OFF_TU    UL
+#  endif
+#  define CURL_TYPEOF_CURL_SOCKLEN_T int
+
+#elif defined(__POCC__)
+#  if (__POCC__ < 280)
+#    define CURL_TYPEOF_CURL_OFF_T     long
+#    define CURL_FORMAT_CURL_OFF_T     "ld"
+#    define CURL_FORMAT_CURL_OFF_TU    "lu"
+#    define CURL_SUFFIX_CURL_OFF_T     L
+#    define CURL_SUFFIX_CURL_OFF_TU    UL
+#  elif defined(_MSC_VER)
+#    define CURL_TYPEOF_CURL_OFF_T     __int64
+#    define CURL_FORMAT_CURL_OFF_T     "I64d"
+#    define CURL_FORMAT_CURL_OFF_TU    "I64u"
+#    define CURL_SUFFIX_CURL_OFF_T     i64
+#    define CURL_SUFFIX_CURL_OFF_TU    ui64
+#  else
+#    define CURL_TYPEOF_CURL_OFF_T     long long
+#    define CURL_FORMAT_CURL_OFF_T     "lld"
+#    define CURL_FORMAT_CURL_OFF_TU    "llu"
+#    define CURL_SUFFIX_CURL_OFF_T     LL
+#    define CURL_SUFFIX_CURL_OFF_TU    ULL
+#  endif
+#  define CURL_TYPEOF_CURL_SOCKLEN_T int
+
+#elif defined(__LCC__)
+#  define CURL_TYPEOF_CURL_OFF_T     long
+#  define CURL_FORMAT_CURL_OFF_T     "ld"
+#  define CURL_FORMAT_CURL_OFF_TU    "lu"
+#  define CURL_SUFFIX_CURL_OFF_T     L
+#  define CURL_SUFFIX_CURL_OFF_TU    UL
+#  define CURL_TYPEOF_CURL_SOCKLEN_T int
+
+#elif defined(__SYMBIAN32__)
+#  if defined(__EABI__)  /* Treat all ARM compilers equally */
+#    define CURL_TYPEOF_CURL_OFF_T     long long
+#    define CURL_FORMAT_CURL_OFF_T     "lld"
+#    define CURL_FORMAT_CURL_OFF_TU    "llu"
+#    define CURL_SUFFIX_CURL_OFF_T     LL
+#    define CURL_SUFFIX_CURL_OFF_TU    ULL
+#  elif defined(__CW32__)
+#    pragma longlong on
+#    define CURL_TYPEOF_CURL_OFF_T     long long
+#    define CURL_FORMAT_CURL_OFF_T     "lld"
+#    define CURL_FORMAT_CURL_OFF_TU    "llu"
+#    define CURL_SUFFIX_CURL_OFF_T     LL
+#    define CURL_SUFFIX_CURL_OFF_TU    ULL
+#  elif defined(__VC32__)
+#    define CURL_TYPEOF_CURL_OFF_T     __int64
+#    define CURL_FORMAT_CURL_OFF_T     "lld"
+#    define CURL_FORMAT_CURL_OFF_TU    "llu"
+#    define CURL_SUFFIX_CURL_OFF_T     LL
+#    define CURL_SUFFIX_CURL_OFF_TU    ULL
+#  endif
+#  define CURL_TYPEOF_CURL_SOCKLEN_T unsigned int
+
+#elif defined(__MWERKS__)
+#  define CURL_TYPEOF_CURL_OFF_T     long long
+#  define CURL_FORMAT_CURL_OFF_T     "lld"
+#  define CURL_FORMAT_CURL_OFF_TU    "llu"
+#  define CURL_SUFFIX_CURL_OFF_T     LL
+#  define CURL_SUFFIX_CURL_OFF_TU    ULL
+#  define CURL_TYPEOF_CURL_SOCKLEN_T int
+
+#elif defined(_WIN32_WCE)
+#  define CURL_TYPEOF_CURL_OFF_T     __int64
+#  define CURL_FORMAT_CURL_OFF_T     "I64d"
+#  define CURL_FORMAT_CURL_OFF_TU    "I64u"
+#  define CURL_SUFFIX_CURL_OFF_T     i64
+#  define CURL_SUFFIX_CURL_OFF_TU    ui64
+#  define CURL_TYPEOF_CURL_SOCKLEN_T int
+
+#elif defined(__MINGW32__)
+#  define CURL_TYPEOF_CURL_OFF_T     long long
+#  define CURL_FORMAT_CURL_OFF_T     "I64d"
+#  define CURL_FORMAT_CURL_OFF_TU    "I64u"
+#  define CURL_SUFFIX_CURL_OFF_T     LL
+#  define CURL_SUFFIX_CURL_OFF_TU    ULL
+#  define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
+#  define CURL_PULL_SYS_TYPES_H      1
+#  define CURL_PULL_WS2TCPIP_H       1
+
+#elif defined(__VMS)
+#  if defined(__VAX)
+#    define CURL_TYPEOF_CURL_OFF_T     long
+#    define CURL_FORMAT_CURL_OFF_T     "ld"
+#    define CURL_FORMAT_CURL_OFF_TU    "lu"
+#    define CURL_SUFFIX_CURL_OFF_T     L
+#    define CURL_SUFFIX_CURL_OFF_TU    UL
+#  else
+#    define CURL_TYPEOF_CURL_OFF_T     long long
+#    define CURL_FORMAT_CURL_OFF_T     "lld"
+#    define CURL_FORMAT_CURL_OFF_TU    "llu"
+#    define CURL_SUFFIX_CURL_OFF_T     LL
+#    define CURL_SUFFIX_CURL_OFF_TU    ULL
+#  endif
+#  define CURL_TYPEOF_CURL_SOCKLEN_T unsigned int
+
+#elif defined(__OS400__)
+#  if defined(__ILEC400__)
+#    define CURL_TYPEOF_CURL_OFF_T     long long
+#    define CURL_FORMAT_CURL_OFF_T     "lld"
+#    define CURL_FORMAT_CURL_OFF_TU    "llu"
+#    define CURL_SUFFIX_CURL_OFF_T     LL
+#    define CURL_SUFFIX_CURL_OFF_TU    ULL
+#    define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
+#    define CURL_PULL_SYS_TYPES_H      1
+#    define CURL_PULL_SYS_SOCKET_H     1
+#  endif
+
+#elif defined(__MVS__)
+#  if defined(__IBMC__) || defined(__IBMCPP__)
+#    if defined(_ILP32)
+#    elif defined(_LP64)
+#    endif
+#    if defined(_LONG_LONG)
+#      define CURL_TYPEOF_CURL_OFF_T     long long
+#      define CURL_FORMAT_CURL_OFF_T     "lld"
+#      define CURL_FORMAT_CURL_OFF_TU    "llu"
+#      define CURL_SUFFIX_CURL_OFF_T     LL
+#      define CURL_SUFFIX_CURL_OFF_TU    ULL
+#    elif defined(_LP64)
+#      define CURL_TYPEOF_CURL_OFF_T     long
+#      define CURL_FORMAT_CURL_OFF_T     "ld"
+#      define CURL_FORMAT_CURL_OFF_TU    "lu"
+#      define CURL_SUFFIX_CURL_OFF_T     L
+#      define CURL_SUFFIX_CURL_OFF_TU    UL
+#    else
+#      define CURL_TYPEOF_CURL_OFF_T     long
+#      define CURL_FORMAT_CURL_OFF_T     "ld"
+#      define CURL_FORMAT_CURL_OFF_TU    "lu"
+#      define CURL_SUFFIX_CURL_OFF_T     L
+#      define CURL_SUFFIX_CURL_OFF_TU    UL
+#    endif
+#    define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
+#    define CURL_PULL_SYS_TYPES_H      1
+#    define CURL_PULL_SYS_SOCKET_H     1
+#  endif
+
+#elif defined(__370__)
+#  if defined(__IBMC__) || defined(__IBMCPP__)
+#    if defined(_ILP32)
+#    elif defined(_LP64)
+#    endif
+#    if defined(_LONG_LONG)
+#      define CURL_TYPEOF_CURL_OFF_T     long long
+#      define CURL_FORMAT_CURL_OFF_T     "lld"
+#      define CURL_FORMAT_CURL_OFF_TU    "llu"
+#      define CURL_SUFFIX_CURL_OFF_T     LL
+#      define CURL_SUFFIX_CURL_OFF_TU    ULL
+#    elif defined(_LP64)
+#      define CURL_TYPEOF_CURL_OFF_T     long
+#      define CURL_FORMAT_CURL_OFF_T     "ld"
+#      define CURL_FORMAT_CURL_OFF_TU    "lu"
+#      define CURL_SUFFIX_CURL_OFF_T     L
+#      define CURL_SUFFIX_CURL_OFF_TU    UL
+#    else
+#      define CURL_TYPEOF_CURL_OFF_T     long
+#      define CURL_FORMAT_CURL_OFF_T     "ld"
+#      define CURL_FORMAT_CURL_OFF_TU    "lu"
+#      define CURL_SUFFIX_CURL_OFF_T     L
+#      define CURL_SUFFIX_CURL_OFF_TU    UL
+#    endif
+#    define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
+#    define CURL_PULL_SYS_TYPES_H      1
+#    define CURL_PULL_SYS_SOCKET_H     1
+#  endif
+
+#elif defined(TPF)
+#  define CURL_TYPEOF_CURL_OFF_T     long
+#  define CURL_FORMAT_CURL_OFF_T     "ld"
+#  define CURL_FORMAT_CURL_OFF_TU    "lu"
+#  define CURL_SUFFIX_CURL_OFF_T     L
+#  define CURL_SUFFIX_CURL_OFF_TU    UL
+#  define CURL_TYPEOF_CURL_SOCKLEN_T int
+
+#elif defined(__TINYC__) /* also known as tcc */
+
+#  define CURL_TYPEOF_CURL_OFF_T     long long
+#  define CURL_FORMAT_CURL_OFF_T     "lld"
+#  define CURL_FORMAT_CURL_OFF_TU    "llu"
+#  define CURL_SUFFIX_CURL_OFF_T     LL
+#  define CURL_SUFFIX_CURL_OFF_TU    ULL
+#  define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
+#  define CURL_PULL_SYS_TYPES_H      1
+#  define CURL_PULL_SYS_SOCKET_H     1
+
+#elif defined(__SUNPRO_C) || defined(__SUNPRO_CC) /* Oracle Solaris Studio */
+#  if !defined(__LP64) && (defined(__ILP32) ||                          \
+                           defined(__i386) ||                           \
+                           defined(__sparcv8) ||                        \
+                           defined(__sparcv8plus))
+#    define CURL_TYPEOF_CURL_OFF_T     long long
+#    define CURL_FORMAT_CURL_OFF_T     "lld"
+#    define CURL_FORMAT_CURL_OFF_TU    "llu"
+#    define CURL_SUFFIX_CURL_OFF_T     LL
+#    define CURL_SUFFIX_CURL_OFF_TU    ULL
+#  elif defined(__LP64) || \
+        defined(__amd64) || defined(__sparcv9)
+#    define CURL_TYPEOF_CURL_OFF_T     long
+#    define CURL_FORMAT_CURL_OFF_T     "ld"
+#    define CURL_FORMAT_CURL_OFF_TU    "lu"
+#    define CURL_SUFFIX_CURL_OFF_T     L
+#    define CURL_SUFFIX_CURL_OFF_TU    UL
+#  endif
+#  define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
+#  define CURL_PULL_SYS_TYPES_H      1
+#  define CURL_PULL_SYS_SOCKET_H     1
+
+#elif defined(__xlc__) /* IBM xlc compiler */
+#  if !defined(_LP64)
+#    define CURL_TYPEOF_CURL_OFF_T     long long
+#    define CURL_FORMAT_CURL_OFF_T     "lld"
+#    define CURL_FORMAT_CURL_OFF_TU    "llu"
+#    define CURL_SUFFIX_CURL_OFF_T     LL
+#    define CURL_SUFFIX_CURL_OFF_TU    ULL
+#  else
+#    define CURL_TYPEOF_CURL_OFF_T     long
+#    define CURL_FORMAT_CURL_OFF_T     "ld"
+#    define CURL_FORMAT_CURL_OFF_TU    "lu"
+#    define CURL_SUFFIX_CURL_OFF_T     L
+#    define CURL_SUFFIX_CURL_OFF_TU    UL
+#  endif
+#  define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
+#  define CURL_PULL_SYS_TYPES_H      1
+#  define CURL_PULL_SYS_SOCKET_H     1
+
+/* ===================================== */
+/*    KEEP MSVC THE PENULTIMATE ENTRY    */
+/* ===================================== */
+
+#elif defined(_MSC_VER)
+#  if (_MSC_VER >= 900) && (_INTEGRAL_MAX_BITS >= 64)
+#    define CURL_TYPEOF_CURL_OFF_T     __int64
+#    define CURL_FORMAT_CURL_OFF_T     "I64d"
+#    define CURL_FORMAT_CURL_OFF_TU    "I64u"
+#    define CURL_SUFFIX_CURL_OFF_T     i64
+#    define CURL_SUFFIX_CURL_OFF_TU    ui64
+#  else
+#    define CURL_TYPEOF_CURL_OFF_T     long
+#    define CURL_FORMAT_CURL_OFF_T     "ld"
+#    define CURL_FORMAT_CURL_OFF_TU    "lu"
+#    define CURL_SUFFIX_CURL_OFF_T     L
+#    define CURL_SUFFIX_CURL_OFF_TU    UL
+#  endif
+#  define CURL_TYPEOF_CURL_SOCKLEN_T int
+
+/* ===================================== */
+/*    KEEP GENERIC GCC THE LAST ENTRY    */
+/* ===================================== */
+
+#elif defined(__GNUC__) && !defined(_SCO_DS)
+#  if !defined(__LP64__) &&                                             \
+  (defined(__ILP32__) || defined(__i386__) || defined(__hppa__) ||      \
+   defined(__ppc__) || defined(__powerpc__) || defined(__arm__) ||      \
+   defined(__sparc__) || defined(__mips__) || defined(__sh__) ||        \
+   defined(__XTENSA__) ||                                               \
+   (defined(__SIZEOF_LONG__) && __SIZEOF_LONG__ == 4)  ||               \
+   (defined(__LONG_MAX__) && __LONG_MAX__ == 2147483647L))
+#    define CURL_TYPEOF_CURL_OFF_T     long long
+#    define CURL_FORMAT_CURL_OFF_T     "lld"
+#    define CURL_FORMAT_CURL_OFF_TU    "llu"
+#    define CURL_SUFFIX_CURL_OFF_T     LL
+#    define CURL_SUFFIX_CURL_OFF_TU    ULL
+#  elif defined(__LP64__) || \
+        defined(__x86_64__) || defined(__ppc64__) || defined(__sparc64__) || \
+        (defined(__SIZEOF_LONG__) && __SIZEOF_LONG__ == 8) || \
+        (defined(__LONG_MAX__) && __LONG_MAX__ == 9223372036854775807L)
+#    define CURL_TYPEOF_CURL_OFF_T     long
+#    define CURL_FORMAT_CURL_OFF_T     "ld"
+#    define CURL_FORMAT_CURL_OFF_TU    "lu"
+#    define CURL_SUFFIX_CURL_OFF_T     L
+#    define CURL_SUFFIX_CURL_OFF_TU    UL
+#  endif
+#  define CURL_TYPEOF_CURL_SOCKLEN_T socklen_t
+#  define CURL_PULL_SYS_TYPES_H      1
+#  define CURL_PULL_SYS_SOCKET_H     1
+
+#else
+/* generic "safe guess" on old 32 bit style */
+# define CURL_TYPEOF_CURL_OFF_T     long
+# define CURL_FORMAT_CURL_OFF_T     "ld"
+# define CURL_FORMAT_CURL_OFF_TU    "lu"
+# define CURL_SUFFIX_CURL_OFF_T     L
+# define CURL_SUFFIX_CURL_OFF_TU    UL
+# define CURL_TYPEOF_CURL_SOCKLEN_T int
+#endif
+
+#ifdef _AIX
+/* AIX needs <sys/poll.h> */
+#define CURL_PULL_SYS_POLL_H
+#endif
+
+
+/* CURL_PULL_WS2TCPIP_H is defined above when inclusion of header file  */
+/* ws2tcpip.h is required here to properly make type definitions below. */
+#ifdef CURL_PULL_WS2TCPIP_H
+# ifdef VBOX
+#  include <iprt/win/winsock2.h>
+#  include <iprt/win/windows.h>
+#  include <iprt/win/ws2tcpip.h>
+# else
+#  include <winsock2.h>
+#  include <windows.h>
+#  include <ws2tcpip.h>
+# endif
+#endif
+
+/* CURL_PULL_SYS_TYPES_H is defined above when inclusion of header file  */
+/* sys/types.h is required here to properly make type definitions below. */
+#ifdef CURL_PULL_SYS_TYPES_H
+#  include <sys/types.h>
+#endif
+
+/* CURL_PULL_SYS_SOCKET_H is defined above when inclusion of header file  */
+/* sys/socket.h is required here to properly make type definitions below. */
+#ifdef CURL_PULL_SYS_SOCKET_H
+#  include <sys/socket.h>
+#endif
+
+/* CURL_PULL_SYS_POLL_H is defined above when inclusion of header file    */
+/* sys/poll.h is required here to properly make type definitions below.   */
+#ifdef CURL_PULL_SYS_POLL_H
+#  include <sys/poll.h>
+#endif
+
+/* Data type definition of curl_socklen_t. */
+#ifdef CURL_TYPEOF_CURL_SOCKLEN_T
+  typedef CURL_TYPEOF_CURL_SOCKLEN_T curl_socklen_t;
+#endif
+
+/* Data type definition of curl_off_t. */
+
+#ifdef CURL_TYPEOF_CURL_OFF_T
+  typedef CURL_TYPEOF_CURL_OFF_T curl_off_t;
+#endif
+
+/*
+ * CURL_ISOCPP and CURL_OFF_T_C definitions are done here in order to allow
+ * these to be visible and exported by the external libcurl interface API,
+ * while also making them visible to the library internals, simply including
+ * curl_setup.h, without actually needing to include curl.h internally.
+ * If some day this section would grow big enough, all this should be moved
+ * to its own header file.
+ */
+
+/*
+ * Figure out if we can use the ## preprocessor operator, which is supported
+ * by ISO/ANSI C and C++. Some compilers support it without setting __STDC__
+ * or  __cplusplus so we need to carefully check for them too.
+ */
+
+#if defined(__STDC__) || defined(_MSC_VER) || defined(__cplusplus) || \
+  defined(__HP_aCC) || defined(__BORLANDC__) || defined(__LCC__) || \
+  defined(__POCC__) || defined(__SALFORDC__) || defined(__HIGHC__) || \
+  defined(__ILEC400__)
+  /* This compiler is believed to have an ISO compatible preprocessor */
+#define CURL_ISOCPP
+#else
+  /* This compiler is believed NOT to have an ISO compatible preprocessor */
+#undef CURL_ISOCPP
+#endif
+
+/*
+ * Macros for minimum-width signed and unsigned curl_off_t integer constants.
+ */
+
+#if defined(__BORLANDC__) && (__BORLANDC__ == 0x0551)
+#  define __CURL_OFF_T_C_HLPR2(x) x
+#  define __CURL_OFF_T_C_HLPR1(x) __CURL_OFF_T_C_HLPR2(x)
+#  define CURL_OFF_T_C(Val)  __CURL_OFF_T_C_HLPR1(Val) ## \
+                             __CURL_OFF_T_C_HLPR1(CURL_SUFFIX_CURL_OFF_T)
+#  define CURL_OFF_TU_C(Val) __CURL_OFF_T_C_HLPR1(Val) ## \
+                             __CURL_OFF_T_C_HLPR1(CURL_SUFFIX_CURL_OFF_TU)
+#else
+#  ifdef CURL_ISOCPP
+#    define __CURL_OFF_T_C_HLPR2(Val,Suffix) Val ## Suffix
+#  else
+#    define __CURL_OFF_T_C_HLPR2(Val,Suffix) Val/**/Suffix
+#  endif
+#  define __CURL_OFF_T_C_HLPR1(Val,Suffix) __CURL_OFF_T_C_HLPR2(Val,Suffix)
+#  define CURL_OFF_T_C(Val)  __CURL_OFF_T_C_HLPR1(Val,CURL_SUFFIX_CURL_OFF_T)
+#  define CURL_OFF_TU_C(Val) __CURL_OFF_T_C_HLPR1(Val,CURL_SUFFIX_CURL_OFF_TU)
+#endif
+
+#endif /* __CURL_SYSTEM_H */
Index: trunk/src/libs/curl-7.64.0/include/curl/typecheck-gcc.h
===================================================================
--- trunk/src/libs/curl-7.64.0/include/curl/typecheck-gcc.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/include/curl/typecheck-gcc.h	(revision 85671)
@@ -0,0 +1,699 @@
+#ifndef __CURL_TYPECHECK_GCC_H
+#define __CURL_TYPECHECK_GCC_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* wraps curl_easy_setopt() with typechecking */
+
+/* To add a new kind of warning, add an
+ *   if(_curl_is_sometype_option(_curl_opt))
+ *     if(!_curl_is_sometype(value))
+ *       _curl_easy_setopt_err_sometype();
+ * block and define _curl_is_sometype_option, _curl_is_sometype and
+ * _curl_easy_setopt_err_sometype below
+ *
+ * NOTE: We use two nested 'if' statements here instead of the && operator, in
+ *       order to work around gcc bug #32061.  It affects only gcc 4.3.x/4.4.x
+ *       when compiling with -Wlogical-op.
+ *
+ * To add an option that uses the same type as an existing option, you'll just
+ * need to extend the appropriate _curl_*_option macro
+ */
+#define curl_easy_setopt(handle, option, value)                               \
+__extension__ ({                                                              \
+  __typeof__(option) _curl_opt = option;                                     \
+  if(__builtin_constant_p(_curl_opt)) {                                       \
+    if(_curl_is_long_option(_curl_opt))                                       \
+      if(!_curl_is_long(value))                                               \
+        _curl_easy_setopt_err_long();                                         \
+    if(_curl_is_off_t_option(_curl_opt))                                      \
+      if(!_curl_is_off_t(value))                                              \
+        _curl_easy_setopt_err_curl_off_t();                                   \
+    if(_curl_is_string_option(_curl_opt))                                     \
+      if(!_curl_is_string(value))                                             \
+        _curl_easy_setopt_err_string();                                       \
+    if(_curl_is_write_cb_option(_curl_opt))                                   \
+      if(!_curl_is_write_cb(value))                                           \
+        _curl_easy_setopt_err_write_callback();                               \
+    if((_curl_opt) == CURLOPT_RESOLVER_START_FUNCTION)                        \
+      if(!_curl_is_resolver_start_callback(value))                            \
+        _curl_easy_setopt_err_resolver_start_callback();                      \
+    if((_curl_opt) == CURLOPT_READFUNCTION)                                   \
+      if(!_curl_is_read_cb(value))                                            \
+        _curl_easy_setopt_err_read_cb();                                      \
+    if((_curl_opt) == CURLOPT_IOCTLFUNCTION)                                  \
+      if(!_curl_is_ioctl_cb(value))                                           \
+        _curl_easy_setopt_err_ioctl_cb();                                     \
+    if((_curl_opt) == CURLOPT_SOCKOPTFUNCTION)                                \
+      if(!_curl_is_sockopt_cb(value))                                         \
+        _curl_easy_setopt_err_sockopt_cb();                                   \
+    if((_curl_opt) == CURLOPT_OPENSOCKETFUNCTION)                             \
+      if(!_curl_is_opensocket_cb(value))                                      \
+        _curl_easy_setopt_err_opensocket_cb();                                \
+    if((_curl_opt) == CURLOPT_PROGRESSFUNCTION)                               \
+      if(!_curl_is_progress_cb(value))                                        \
+        _curl_easy_setopt_err_progress_cb();                                  \
+    if((_curl_opt) == CURLOPT_DEBUGFUNCTION)                                  \
+      if(!_curl_is_debug_cb(value))                                           \
+        _curl_easy_setopt_err_debug_cb();                                     \
+    if((_curl_opt) == CURLOPT_SSL_CTX_FUNCTION)                               \
+      if(!_curl_is_ssl_ctx_cb(value))                                         \
+        _curl_easy_setopt_err_ssl_ctx_cb();                                   \
+    if(_curl_is_conv_cb_option(_curl_opt))                                    \
+      if(!_curl_is_conv_cb(value))                                            \
+        _curl_easy_setopt_err_conv_cb();                                      \
+    if((_curl_opt) == CURLOPT_SEEKFUNCTION)                                   \
+      if(!_curl_is_seek_cb(value))                                            \
+        _curl_easy_setopt_err_seek_cb();                                      \
+    if(_curl_is_cb_data_option(_curl_opt))                                    \
+      if(!_curl_is_cb_data(value))                                            \
+        _curl_easy_setopt_err_cb_data();                                      \
+    if((_curl_opt) == CURLOPT_ERRORBUFFER)                                    \
+      if(!_curl_is_error_buffer(value))                                       \
+        _curl_easy_setopt_err_error_buffer();                                 \
+    if((_curl_opt) == CURLOPT_STDERR)                                         \
+      if(!_curl_is_FILE(value))                                               \
+        _curl_easy_setopt_err_FILE();                                         \
+    if(_curl_is_postfields_option(_curl_opt))                                 \
+      if(!_curl_is_postfields(value))                                         \
+        _curl_easy_setopt_err_postfields();                                   \
+    if((_curl_opt) == CURLOPT_HTTPPOST)                                       \
+      if(!_curl_is_arr((value), struct curl_httppost))                        \
+        _curl_easy_setopt_err_curl_httpost();                                 \
+    if((_curl_opt) == CURLOPT_MIMEPOST)                                       \
+      if(!_curl_is_ptr((value), curl_mime))                                   \
+        _curl_easy_setopt_err_curl_mimepost();                                \
+    if(_curl_is_slist_option(_curl_opt))                                      \
+      if(!_curl_is_arr((value), struct curl_slist))                           \
+        _curl_easy_setopt_err_curl_slist();                                   \
+    if((_curl_opt) == CURLOPT_SHARE)                                          \
+      if(!_curl_is_ptr((value), CURLSH))                                      \
+        _curl_easy_setopt_err_CURLSH();                                       \
+  }                                                                           \
+  curl_easy_setopt(handle, _curl_opt, value);                                 \
+})
+
+/* wraps curl_easy_getinfo() with typechecking */
+/* FIXME: don't allow const pointers */
+#define curl_easy_getinfo(handle, info, arg)                                  \
+__extension__ ({                                                              \
+  __typeof__(info) _curl_info = info;                                         \
+  if(__builtin_constant_p(_curl_info)) {                                      \
+    if(_curl_is_string_info(_curl_info))                                      \
+      if(!_curl_is_arr((arg), char *))                                        \
+        _curl_easy_getinfo_err_string();                                      \
+    if(_curl_is_long_info(_curl_info))                                        \
+      if(!_curl_is_arr((arg), long))                                          \
+        _curl_easy_getinfo_err_long();                                        \
+    if(_curl_is_double_info(_curl_info))                                      \
+      if(!_curl_is_arr((arg), double))                                        \
+        _curl_easy_getinfo_err_double();                                      \
+    if(_curl_is_slist_info(_curl_info))                                       \
+      if(!_curl_is_arr((arg), struct curl_slist *))                           \
+        _curl_easy_getinfo_err_curl_slist();                                  \
+    if(_curl_is_tlssessioninfo_info(_curl_info))                              \
+      if(!_curl_is_arr((arg), struct curl_tlssessioninfo *))                  \
+        _curl_easy_getinfo_err_curl_tlssesssioninfo();                        \
+    if(_curl_is_certinfo_info(_curl_info))                                    \
+      if(!_curl_is_arr((arg), struct curl_certinfo *))                        \
+        _curl_easy_getinfo_err_curl_certinfo();                               \
+    if(_curl_is_socket_info(_curl_info))                                      \
+      if(!_curl_is_arr((arg), curl_socket_t))                                 \
+        _curl_easy_getinfo_err_curl_socket();                                 \
+    if(_curl_is_off_t_info(_curl_info))                                       \
+      if(!_curl_is_arr((arg), curl_off_t))                                    \
+        _curl_easy_getinfo_err_curl_off_t();                                  \
+  }                                                                           \
+  curl_easy_getinfo(handle, _curl_info, arg);                                 \
+})
+
+/* TODO: typechecking for curl_share_setopt() and curl_multi_setopt(),
+ * for now just make sure that the functions are called with three
+ * arguments
+ */
+#define curl_share_setopt(share,opt,param) curl_share_setopt(share,opt,param)
+#define curl_multi_setopt(handle,opt,param) curl_multi_setopt(handle,opt,param)
+
+
+/* the actual warnings, triggered by calling the _curl_easy_setopt_err*
+ * functions */
+
+/* To define a new warning, use _CURL_WARNING(identifier, "message") */
+#define _CURL_WARNING(id, message)                                            \
+  static void __attribute__((__warning__(message)))                           \
+  __attribute__((__unused__)) __attribute__((__noinline__))                   \
+  id(void) { __asm__(""); }
+
+_CURL_WARNING(_curl_easy_setopt_err_long,
+  "curl_easy_setopt expects a long argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_curl_off_t,
+  "curl_easy_setopt expects a curl_off_t argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_string,
+              "curl_easy_setopt expects a "
+              "string ('char *' or char[]) argument for this option"
+  )
+_CURL_WARNING(_curl_easy_setopt_err_write_callback,
+  "curl_easy_setopt expects a curl_write_callback argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_resolver_start_callback,
+              "curl_easy_setopt expects a "
+              "curl_resolver_start_callback argument for this option"
+  )
+_CURL_WARNING(_curl_easy_setopt_err_read_cb,
+  "curl_easy_setopt expects a curl_read_callback argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_ioctl_cb,
+  "curl_easy_setopt expects a curl_ioctl_callback argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_sockopt_cb,
+  "curl_easy_setopt expects a curl_sockopt_callback argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_opensocket_cb,
+              "curl_easy_setopt expects a "
+              "curl_opensocket_callback argument for this option"
+  )
+_CURL_WARNING(_curl_easy_setopt_err_progress_cb,
+  "curl_easy_setopt expects a curl_progress_callback argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_debug_cb,
+  "curl_easy_setopt expects a curl_debug_callback argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_ssl_ctx_cb,
+  "curl_easy_setopt expects a curl_ssl_ctx_callback argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_conv_cb,
+  "curl_easy_setopt expects a curl_conv_callback argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_seek_cb,
+  "curl_easy_setopt expects a curl_seek_callback argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_cb_data,
+              "curl_easy_setopt expects a "
+              "private data pointer as argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_error_buffer,
+              "curl_easy_setopt expects a "
+              "char buffer of CURL_ERROR_SIZE as argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_FILE,
+  "curl_easy_setopt expects a 'FILE *' argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_postfields,
+  "curl_easy_setopt expects a 'void *' or 'char *' argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_curl_httpost,
+              "curl_easy_setopt expects a 'struct curl_httppost *' "
+              "argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_curl_mimepost,
+              "curl_easy_setopt expects a 'curl_mime *' "
+              "argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_curl_slist,
+  "curl_easy_setopt expects a 'struct curl_slist *' argument for this option")
+_CURL_WARNING(_curl_easy_setopt_err_CURLSH,
+  "curl_easy_setopt expects a CURLSH* argument for this option")
+
+_CURL_WARNING(_curl_easy_getinfo_err_string,
+  "curl_easy_getinfo expects a pointer to 'char *' for this info")
+_CURL_WARNING(_curl_easy_getinfo_err_long,
+  "curl_easy_getinfo expects a pointer to long for this info")
+_CURL_WARNING(_curl_easy_getinfo_err_double,
+  "curl_easy_getinfo expects a pointer to double for this info")
+_CURL_WARNING(_curl_easy_getinfo_err_curl_slist,
+  "curl_easy_getinfo expects a pointer to 'struct curl_slist *' for this info")
+_CURL_WARNING(_curl_easy_getinfo_err_curl_tlssesssioninfo,
+              "curl_easy_getinfo expects a pointer to "
+              "'struct curl_tlssessioninfo *' for this info")
+_CURL_WARNING(_curl_easy_getinfo_err_curl_certinfo,
+              "curl_easy_getinfo expects a pointer to "
+              "'struct curl_certinfo *' for this info")
+_CURL_WARNING(_curl_easy_getinfo_err_curl_socket,
+  "curl_easy_getinfo expects a pointer to curl_socket_t for this info")
+_CURL_WARNING(_curl_easy_getinfo_err_curl_off_t,
+  "curl_easy_getinfo expects a pointer to curl_off_t for this info")
+
+/* groups of curl_easy_setops options that take the same type of argument */
+
+/* To add a new option to one of the groups, just add
+ *   (option) == CURLOPT_SOMETHING
+ * to the or-expression. If the option takes a long or curl_off_t, you don't
+ * have to do anything
+ */
+
+/* evaluates to true if option takes a long argument */
+#define _curl_is_long_option(option)                                          \
+  (0 < (option) && (option) < CURLOPTTYPE_OBJECTPOINT)
+
+#define _curl_is_off_t_option(option)                                         \
+  ((option) > CURLOPTTYPE_OFF_T)
+
+/* evaluates to true if option takes a char* argument */
+#define _curl_is_string_option(option)                                        \
+  ((option) == CURLOPT_ABSTRACT_UNIX_SOCKET ||                                \
+   (option) == CURLOPT_ACCEPT_ENCODING ||                                     \
+   (option) == CURLOPT_CAINFO ||                                              \
+   (option) == CURLOPT_CAPATH ||                                              \
+   (option) == CURLOPT_COOKIE ||                                              \
+   (option) == CURLOPT_COOKIEFILE ||                                          \
+   (option) == CURLOPT_COOKIEJAR ||                                           \
+   (option) == CURLOPT_COOKIELIST ||                                          \
+   (option) == CURLOPT_CRLFILE ||                                             \
+   (option) == CURLOPT_CUSTOMREQUEST ||                                       \
+   (option) == CURLOPT_DEFAULT_PROTOCOL ||                                    \
+   (option) == CURLOPT_DNS_INTERFACE ||                                       \
+   (option) == CURLOPT_DNS_LOCAL_IP4 ||                                       \
+   (option) == CURLOPT_DNS_LOCAL_IP6 ||                                       \
+   (option) == CURLOPT_DNS_SERVERS ||                                         \
+   (option) == CURLOPT_DOH_URL ||                                             \
+   (option) == CURLOPT_EGDSOCKET ||                                           \
+   (option) == CURLOPT_FTPPORT ||                                             \
+   (option) == CURLOPT_FTP_ACCOUNT ||                                         \
+   (option) == CURLOPT_FTP_ALTERNATIVE_TO_USER ||                             \
+   (option) == CURLOPT_INTERFACE ||                                           \
+   (option) == CURLOPT_ISSUERCERT ||                                          \
+   (option) == CURLOPT_KEYPASSWD ||                                           \
+   (option) == CURLOPT_KRBLEVEL ||                                            \
+   (option) == CURLOPT_LOGIN_OPTIONS ||                                       \
+   (option) == CURLOPT_MAIL_AUTH ||                                           \
+   (option) == CURLOPT_MAIL_FROM ||                                           \
+   (option) == CURLOPT_NETRC_FILE ||                                          \
+   (option) == CURLOPT_NOPROXY ||                                             \
+   (option) == CURLOPT_PASSWORD ||                                            \
+   (option) == CURLOPT_PINNEDPUBLICKEY ||                                     \
+   (option) == CURLOPT_PRE_PROXY ||                                           \
+   (option) == CURLOPT_PROXY ||                                               \
+   (option) == CURLOPT_PROXYPASSWORD ||                                       \
+   (option) == CURLOPT_PROXYUSERNAME ||                                       \
+   (option) == CURLOPT_PROXYUSERPWD ||                                        \
+   (option) == CURLOPT_PROXY_CAINFO ||                                        \
+   (option) == CURLOPT_PROXY_CAPATH ||                                        \
+   (option) == CURLOPT_PROXY_CRLFILE ||                                       \
+   (option) == CURLOPT_PROXY_KEYPASSWD ||                                     \
+   (option) == CURLOPT_PROXY_PINNEDPUBLICKEY ||                               \
+   (option) == CURLOPT_PROXY_SERVICE_NAME ||                                  \
+   (option) == CURLOPT_PROXY_SSLCERT ||                                       \
+   (option) == CURLOPT_PROXY_SSLCERTTYPE ||                                   \
+   (option) == CURLOPT_PROXY_SSLKEY ||                                        \
+   (option) == CURLOPT_PROXY_SSLKEYTYPE ||                                    \
+   (option) == CURLOPT_PROXY_SSL_CIPHER_LIST ||                               \
+   (option) == CURLOPT_PROXY_TLSAUTH_PASSWORD ||                              \
+   (option) == CURLOPT_PROXY_TLSAUTH_USERNAME ||                              \
+   (option) == CURLOPT_PROXY_TLSAUTH_TYPE ||                                  \
+   (option) == CURLOPT_RANDOM_FILE ||                                         \
+   (option) == CURLOPT_RANGE ||                                               \
+   (option) == CURLOPT_REFERER ||                                             \
+   (option) == CURLOPT_RTSP_SESSION_ID ||                                     \
+   (option) == CURLOPT_RTSP_STREAM_URI ||                                     \
+   (option) == CURLOPT_RTSP_TRANSPORT ||                                      \
+   (option) == CURLOPT_SERVICE_NAME ||                                        \
+   (option) == CURLOPT_SOCKS5_GSSAPI_SERVICE ||                               \
+   (option) == CURLOPT_SSH_HOST_PUBLIC_KEY_MD5 ||                             \
+   (option) == CURLOPT_SSH_KNOWNHOSTS ||                                      \
+   (option) == CURLOPT_SSH_PRIVATE_KEYFILE ||                                 \
+   (option) == CURLOPT_SSH_PUBLIC_KEYFILE ||                                  \
+   (option) == CURLOPT_SSLCERT ||                                             \
+   (option) == CURLOPT_SSLCERTTYPE ||                                         \
+   (option) == CURLOPT_SSLENGINE ||                                           \
+   (option) == CURLOPT_SSLKEY ||                                              \
+   (option) == CURLOPT_SSLKEYTYPE ||                                          \
+   (option) == CURLOPT_SSL_CIPHER_LIST ||                                     \
+   (option) == CURLOPT_TLSAUTH_PASSWORD ||                                    \
+   (option) == CURLOPT_TLSAUTH_TYPE ||                                        \
+   (option) == CURLOPT_TLSAUTH_USERNAME ||                                    \
+   (option) == CURLOPT_UNIX_SOCKET_PATH ||                                    \
+   (option) == CURLOPT_URL ||                                                 \
+   (option) == CURLOPT_USERAGENT ||                                           \
+   (option) == CURLOPT_USERNAME ||                                            \
+   (option) == CURLOPT_USERPWD ||                                             \
+   (option) == CURLOPT_XOAUTH2_BEARER ||                                      \
+   0)
+
+/* evaluates to true if option takes a curl_write_callback argument */
+#define _curl_is_write_cb_option(option)                                      \
+  ((option) == CURLOPT_HEADERFUNCTION ||                                      \
+   (option) == CURLOPT_WRITEFUNCTION)
+
+/* evaluates to true if option takes a curl_conv_callback argument */
+#define _curl_is_conv_cb_option(option)                                       \
+  ((option) == CURLOPT_CONV_TO_NETWORK_FUNCTION ||                            \
+   (option) == CURLOPT_CONV_FROM_NETWORK_FUNCTION ||                          \
+   (option) == CURLOPT_CONV_FROM_UTF8_FUNCTION)
+
+/* evaluates to true if option takes a data argument to pass to a callback */
+#define _curl_is_cb_data_option(option)                                       \
+  ((option) == CURLOPT_CHUNK_DATA ||                                          \
+   (option) == CURLOPT_CLOSESOCKETDATA ||                                     \
+   (option) == CURLOPT_DEBUGDATA ||                                           \
+   (option) == CURLOPT_FNMATCH_DATA ||                                        \
+   (option) == CURLOPT_HEADERDATA ||                                          \
+   (option) == CURLOPT_INTERLEAVEDATA ||                                      \
+   (option) == CURLOPT_IOCTLDATA ||                                           \
+   (option) == CURLOPT_OPENSOCKETDATA ||                                      \
+   (option) == CURLOPT_PRIVATE ||                                             \
+   (option) == CURLOPT_PROGRESSDATA ||                                        \
+   (option) == CURLOPT_READDATA ||                                            \
+   (option) == CURLOPT_SEEKDATA ||                                            \
+   (option) == CURLOPT_SOCKOPTDATA ||                                         \
+   (option) == CURLOPT_SSH_KEYDATA ||                                         \
+   (option) == CURLOPT_SSL_CTX_DATA ||                                        \
+   (option) == CURLOPT_WRITEDATA ||                                           \
+   (option) == CURLOPT_RESOLVER_START_DATA ||                                 \
+   (option) == CURLOPT_CURLU ||                                               \
+   0)
+
+/* evaluates to true if option takes a POST data argument (void* or char*) */
+#define _curl_is_postfields_option(option)                                    \
+  ((option) == CURLOPT_POSTFIELDS ||                                          \
+   (option) == CURLOPT_COPYPOSTFIELDS ||                                      \
+   0)
+
+/* evaluates to true if option takes a struct curl_slist * argument */
+#define _curl_is_slist_option(option)                                         \
+  ((option) == CURLOPT_HTTP200ALIASES ||                                      \
+   (option) == CURLOPT_HTTPHEADER ||                                          \
+   (option) == CURLOPT_MAIL_RCPT ||                                           \
+   (option) == CURLOPT_POSTQUOTE ||                                           \
+   (option) == CURLOPT_PREQUOTE ||                                            \
+   (option) == CURLOPT_PROXYHEADER ||                                         \
+   (option) == CURLOPT_QUOTE ||                                               \
+   (option) == CURLOPT_RESOLVE ||                                             \
+   (option) == CURLOPT_TELNETOPTIONS ||                                       \
+   0)
+
+/* groups of curl_easy_getinfo infos that take the same type of argument */
+
+/* evaluates to true if info expects a pointer to char * argument */
+#define _curl_is_string_info(info)                                            \
+  (CURLINFO_STRING < (info) && (info) < CURLINFO_LONG)
+
+/* evaluates to true if info expects a pointer to long argument */
+#define _curl_is_long_info(info)                                              \
+  (CURLINFO_LONG < (info) && (info) < CURLINFO_DOUBLE)
+
+/* evaluates to true if info expects a pointer to double argument */
+#define _curl_is_double_info(info)                                            \
+  (CURLINFO_DOUBLE < (info) && (info) < CURLINFO_SLIST)
+
+/* true if info expects a pointer to struct curl_slist * argument */
+#define _curl_is_slist_info(info)                                       \
+  (((info) == CURLINFO_SSL_ENGINES) || ((info) == CURLINFO_COOKIELIST))
+
+/* true if info expects a pointer to struct curl_tlssessioninfo * argument */
+#define _curl_is_tlssessioninfo_info(info)                              \
+  (((info) == CURLINFO_TLS_SSL_PTR) || ((info) == CURLINFO_TLS_SESSION))
+
+/* true if info expects a pointer to struct curl_certinfo * argument */
+#define _curl_is_certinfo_info(info) ((info) == CURLINFO_CERTINFO)
+
+/* true if info expects a pointer to struct curl_socket_t argument */
+#define _curl_is_socket_info(info)                                            \
+  (CURLINFO_SOCKET < (info) && (info) < CURLINFO_OFF_T)
+
+/* true if info expects a pointer to curl_off_t argument */
+#define _curl_is_off_t_info(info)                                             \
+  (CURLINFO_OFF_T < (info))
+
+
+/* typecheck helpers -- check whether given expression has requested type*/
+
+/* For pointers, you can use the _curl_is_ptr/_curl_is_arr macros,
+ * otherwise define a new macro. Search for __builtin_types_compatible_p
+ * in the GCC manual.
+ * NOTE: these macros MUST NOT EVALUATE their arguments! The argument is
+ * the actual expression passed to the curl_easy_setopt macro. This
+ * means that you can only apply the sizeof and __typeof__ operators, no
+ * == or whatsoever.
+ */
+
+/* XXX: should evaluate to true if expr is a pointer */
+#define _curl_is_any_ptr(expr)                                                \
+  (sizeof(expr) == sizeof(void *))
+
+/* evaluates to true if expr is NULL */
+/* XXX: must not evaluate expr, so this check is not accurate */
+#define _curl_is_NULL(expr)                                                   \
+  (__builtin_types_compatible_p(__typeof__(expr), __typeof__(NULL)))
+
+/* evaluates to true if expr is type*, const type* or NULL */
+#define _curl_is_ptr(expr, type)                                              \
+  (_curl_is_NULL(expr) ||                                                     \
+   __builtin_types_compatible_p(__typeof__(expr), type *) ||                  \
+   __builtin_types_compatible_p(__typeof__(expr), const type *))
+
+/* evaluates to true if expr is one of type[], type*, NULL or const type* */
+#define _curl_is_arr(expr, type)                                              \
+  (_curl_is_ptr((expr), type) ||                                              \
+   __builtin_types_compatible_p(__typeof__(expr), type []))
+
+/* evaluates to true if expr is a string */
+#define _curl_is_string(expr)                                                 \
+  (_curl_is_arr((expr), char) ||                                              \
+   _curl_is_arr((expr), signed char) ||                                       \
+   _curl_is_arr((expr), unsigned char))
+
+/* evaluates to true if expr is a long (no matter the signedness)
+ * XXX: for now, int is also accepted (and therefore short and char, which
+ * are promoted to int when passed to a variadic function) */
+#define _curl_is_long(expr)                                                   \
+  (__builtin_types_compatible_p(__typeof__(expr), long) ||                    \
+   __builtin_types_compatible_p(__typeof__(expr), signed long) ||             \
+   __builtin_types_compatible_p(__typeof__(expr), unsigned long) ||           \
+   __builtin_types_compatible_p(__typeof__(expr), int) ||                     \
+   __builtin_types_compatible_p(__typeof__(expr), signed int) ||              \
+   __builtin_types_compatible_p(__typeof__(expr), unsigned int) ||            \
+   __builtin_types_compatible_p(__typeof__(expr), short) ||                   \
+   __builtin_types_compatible_p(__typeof__(expr), signed short) ||            \
+   __builtin_types_compatible_p(__typeof__(expr), unsigned short) ||          \
+   __builtin_types_compatible_p(__typeof__(expr), char) ||                    \
+   __builtin_types_compatible_p(__typeof__(expr), signed char) ||             \
+   __builtin_types_compatible_p(__typeof__(expr), unsigned char))
+
+/* evaluates to true if expr is of type curl_off_t */
+#define _curl_is_off_t(expr)                                                  \
+  (__builtin_types_compatible_p(__typeof__(expr), curl_off_t))
+
+/* evaluates to true if expr is abuffer suitable for CURLOPT_ERRORBUFFER */
+/* XXX: also check size of an char[] array? */
+#define _curl_is_error_buffer(expr)                                           \
+  (_curl_is_NULL(expr) ||                                                     \
+   __builtin_types_compatible_p(__typeof__(expr), char *) ||                  \
+   __builtin_types_compatible_p(__typeof__(expr), char[]))
+
+/* evaluates to true if expr is of type (const) void* or (const) FILE* */
+#if 0
+#define _curl_is_cb_data(expr)                                                \
+  (_curl_is_ptr((expr), void) ||                                              \
+   _curl_is_ptr((expr), FILE))
+#else /* be less strict */
+#define _curl_is_cb_data(expr)                                                \
+  _curl_is_any_ptr(expr)
+#endif
+
+/* evaluates to true if expr is of type FILE* */
+#define _curl_is_FILE(expr)                                             \
+  (_curl_is_NULL(expr) ||                                              \
+   (__builtin_types_compatible_p(__typeof__(expr), FILE *)))
+
+/* evaluates to true if expr can be passed as POST data (void* or char*) */
+#define _curl_is_postfields(expr)                                             \
+  (_curl_is_ptr((expr), void) ||                                              \
+   _curl_is_arr((expr), char) ||                                              \
+   _curl_is_arr((expr), unsigned char))
+
+/* FIXME: the whole callback checking is messy...
+ * The idea is to tolerate char vs. void and const vs. not const
+ * pointers in arguments at least
+ */
+/* helper: __builtin_types_compatible_p distinguishes between functions and
+ * function pointers, hide it */
+#define _curl_callback_compatible(func, type)                                 \
+  (__builtin_types_compatible_p(__typeof__(func), type) ||                    \
+   __builtin_types_compatible_p(__typeof__(func) *, type))
+
+/* evaluates to true if expr is of type curl_resolver_start_callback */
+#define _curl_is_resolver_start_callback(expr)       \
+  (_curl_is_NULL(expr) || \
+   _curl_callback_compatible((expr), curl_resolver_start_callback))
+
+/* evaluates to true if expr is of type curl_read_callback or "similar" */
+#define _curl_is_read_cb(expr)                                          \
+  (_curl_is_NULL(expr) ||                                                     \
+   _curl_callback_compatible((expr), __typeof__(fread) *) ||                  \
+   _curl_callback_compatible((expr), curl_read_callback) ||                   \
+   _curl_callback_compatible((expr), _curl_read_callback1) ||                 \
+   _curl_callback_compatible((expr), _curl_read_callback2) ||                 \
+   _curl_callback_compatible((expr), _curl_read_callback3) ||                 \
+   _curl_callback_compatible((expr), _curl_read_callback4) ||                 \
+   _curl_callback_compatible((expr), _curl_read_callback5) ||                 \
+   _curl_callback_compatible((expr), _curl_read_callback6))
+typedef size_t (*_curl_read_callback1)(char *, size_t, size_t, void *);
+typedef size_t (*_curl_read_callback2)(char *, size_t, size_t, const void *);
+typedef size_t (*_curl_read_callback3)(char *, size_t, size_t, FILE *);
+typedef size_t (*_curl_read_callback4)(void *, size_t, size_t, void *);
+typedef size_t (*_curl_read_callback5)(void *, size_t, size_t, const void *);
+typedef size_t (*_curl_read_callback6)(void *, size_t, size_t, FILE *);
+
+/* evaluates to true if expr is of type curl_write_callback or "similar" */
+#define _curl_is_write_cb(expr)                                               \
+  (_curl_is_read_cb(expr) ||                                            \
+   _curl_callback_compatible((expr), __typeof__(fwrite) *) ||                 \
+   _curl_callback_compatible((expr), curl_write_callback) ||                  \
+   _curl_callback_compatible((expr), _curl_write_callback1) ||                \
+   _curl_callback_compatible((expr), _curl_write_callback2) ||                \
+   _curl_callback_compatible((expr), _curl_write_callback3) ||                \
+   _curl_callback_compatible((expr), _curl_write_callback4) ||                \
+   _curl_callback_compatible((expr), _curl_write_callback5) ||                \
+   _curl_callback_compatible((expr), _curl_write_callback6))
+typedef size_t (*_curl_write_callback1)(const char *, size_t, size_t, void *);
+typedef size_t (*_curl_write_callback2)(const char *, size_t, size_t,
+                                       const void *);
+typedef size_t (*_curl_write_callback3)(const char *, size_t, size_t, FILE *);
+typedef size_t (*_curl_write_callback4)(const void *, size_t, size_t, void *);
+typedef size_t (*_curl_write_callback5)(const void *, size_t, size_t,
+                                       const void *);
+typedef size_t (*_curl_write_callback6)(const void *, size_t, size_t, FILE *);
+
+/* evaluates to true if expr is of type curl_ioctl_callback or "similar" */
+#define _curl_is_ioctl_cb(expr)                                         \
+  (_curl_is_NULL(expr) ||                                                     \
+   _curl_callback_compatible((expr), curl_ioctl_callback) ||                  \
+   _curl_callback_compatible((expr), _curl_ioctl_callback1) ||                \
+   _curl_callback_compatible((expr), _curl_ioctl_callback2) ||                \
+   _curl_callback_compatible((expr), _curl_ioctl_callback3) ||                \
+   _curl_callback_compatible((expr), _curl_ioctl_callback4))
+typedef curlioerr (*_curl_ioctl_callback1)(CURL *, int, void *);
+typedef curlioerr (*_curl_ioctl_callback2)(CURL *, int, const void *);
+typedef curlioerr (*_curl_ioctl_callback3)(CURL *, curliocmd, void *);
+typedef curlioerr (*_curl_ioctl_callback4)(CURL *, curliocmd, const void *);
+
+/* evaluates to true if expr is of type curl_sockopt_callback or "similar" */
+#define _curl_is_sockopt_cb(expr)                                       \
+  (_curl_is_NULL(expr) ||                                                     \
+   _curl_callback_compatible((expr), curl_sockopt_callback) ||                \
+   _curl_callback_compatible((expr), _curl_sockopt_callback1) ||              \
+   _curl_callback_compatible((expr), _curl_sockopt_callback2))
+typedef int (*_curl_sockopt_callback1)(void *, curl_socket_t, curlsocktype);
+typedef int (*_curl_sockopt_callback2)(const void *, curl_socket_t,
+                                      curlsocktype);
+
+/* evaluates to true if expr is of type curl_opensocket_callback or
+   "similar" */
+#define _curl_is_opensocket_cb(expr)                                    \
+  (_curl_is_NULL(expr) ||                                                     \
+   _curl_callback_compatible((expr), curl_opensocket_callback) ||             \
+   _curl_callback_compatible((expr), _curl_opensocket_callback1) ||           \
+   _curl_callback_compatible((expr), _curl_opensocket_callback2) ||           \
+   _curl_callback_compatible((expr), _curl_opensocket_callback3) ||           \
+   _curl_callback_compatible((expr), _curl_opensocket_callback4))
+typedef curl_socket_t (*_curl_opensocket_callback1)
+  (void *, curlsocktype, struct curl_sockaddr *);
+typedef curl_socket_t (*_curl_opensocket_callback2)
+  (void *, curlsocktype, const struct curl_sockaddr *);
+typedef curl_socket_t (*_curl_opensocket_callback3)
+  (const void *, curlsocktype, struct curl_sockaddr *);
+typedef curl_socket_t (*_curl_opensocket_callback4)
+  (const void *, curlsocktype, const struct curl_sockaddr *);
+
+/* evaluates to true if expr is of type curl_progress_callback or "similar" */
+#define _curl_is_progress_cb(expr)                                      \
+  (_curl_is_NULL(expr) ||                                                     \
+   _curl_callback_compatible((expr), curl_progress_callback) ||               \
+   _curl_callback_compatible((expr), _curl_progress_callback1) ||             \
+   _curl_callback_compatible((expr), _curl_progress_callback2))
+typedef int (*_curl_progress_callback1)(void *,
+    double, double, double, double);
+typedef int (*_curl_progress_callback2)(const void *,
+    double, double, double, double);
+
+/* evaluates to true if expr is of type curl_debug_callback or "similar" */
+#define _curl_is_debug_cb(expr)                                         \
+  (_curl_is_NULL(expr) ||                                                     \
+   _curl_callback_compatible((expr), curl_debug_callback) ||                  \
+   _curl_callback_compatible((expr), _curl_debug_callback1) ||                \
+   _curl_callback_compatible((expr), _curl_debug_callback2) ||                \
+   _curl_callback_compatible((expr), _curl_debug_callback3) ||                \
+   _curl_callback_compatible((expr), _curl_debug_callback4) ||                \
+   _curl_callback_compatible((expr), _curl_debug_callback5) ||                \
+   _curl_callback_compatible((expr), _curl_debug_callback6) ||                \
+   _curl_callback_compatible((expr), _curl_debug_callback7) ||                \
+   _curl_callback_compatible((expr), _curl_debug_callback8))
+typedef int (*_curl_debug_callback1) (CURL *,
+    curl_infotype, char *, size_t, void *);
+typedef int (*_curl_debug_callback2) (CURL *,
+    curl_infotype, char *, size_t, const void *);
+typedef int (*_curl_debug_callback3) (CURL *,
+    curl_infotype, const char *, size_t, void *);
+typedef int (*_curl_debug_callback4) (CURL *,
+    curl_infotype, const char *, size_t, const void *);
+typedef int (*_curl_debug_callback5) (CURL *,
+    curl_infotype, unsigned char *, size_t, void *);
+typedef int (*_curl_debug_callback6) (CURL *,
+    curl_infotype, unsigned char *, size_t, const void *);
+typedef int (*_curl_debug_callback7) (CURL *,
+    curl_infotype, const unsigned char *, size_t, void *);
+typedef int (*_curl_debug_callback8) (CURL *,
+    curl_infotype, const unsigned char *, size_t, const void *);
+
+/* evaluates to true if expr is of type curl_ssl_ctx_callback or "similar" */
+/* this is getting even messier... */
+#define _curl_is_ssl_ctx_cb(expr)                                       \
+  (_curl_is_NULL(expr) ||                                                     \
+   _curl_callback_compatible((expr), curl_ssl_ctx_callback) ||                \
+   _curl_callback_compatible((expr), _curl_ssl_ctx_callback1) ||              \
+   _curl_callback_compatible((expr), _curl_ssl_ctx_callback2) ||              \
+   _curl_callback_compatible((expr), _curl_ssl_ctx_callback3) ||              \
+   _curl_callback_compatible((expr), _curl_ssl_ctx_callback4) ||              \
+   _curl_callback_compatible((expr), _curl_ssl_ctx_callback5) ||              \
+   _curl_callback_compatible((expr), _curl_ssl_ctx_callback6) ||              \
+   _curl_callback_compatible((expr), _curl_ssl_ctx_callback7) ||              \
+   _curl_callback_compatible((expr), _curl_ssl_ctx_callback8))
+typedef CURLcode (*_curl_ssl_ctx_callback1)(CURL *, void *, void *);
+typedef CURLcode (*_curl_ssl_ctx_callback2)(CURL *, void *, const void *);
+typedef CURLcode (*_curl_ssl_ctx_callback3)(CURL *, const void *, void *);
+typedef CURLcode (*_curl_ssl_ctx_callback4)(CURL *, const void *,
+                                            const void *);
+#ifdef HEADER_SSL_H
+/* hack: if we included OpenSSL's ssl.h, we know about SSL_CTX
+ * this will of course break if we're included before OpenSSL headers...
+ */
+typedef CURLcode (*_curl_ssl_ctx_callback5)(CURL *, SSL_CTX, void *);
+typedef CURLcode (*_curl_ssl_ctx_callback6)(CURL *, SSL_CTX, const void *);
+typedef CURLcode (*_curl_ssl_ctx_callback7)(CURL *, const SSL_CTX, void *);
+typedef CURLcode (*_curl_ssl_ctx_callback8)(CURL *, const SSL_CTX,
+                                           const void *);
+#else
+typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback5;
+typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback6;
+typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback7;
+typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback8;
+#endif
+
+/* evaluates to true if expr is of type curl_conv_callback or "similar" */
+#define _curl_is_conv_cb(expr)                                          \
+  (_curl_is_NULL(expr) ||                                                     \
+   _curl_callback_compatible((expr), curl_conv_callback) ||                   \
+   _curl_callback_compatible((expr), _curl_conv_callback1) ||                 \
+   _curl_callback_compatible((expr), _curl_conv_callback2) ||                 \
+   _curl_callback_compatible((expr), _curl_conv_callback3) ||                 \
+   _curl_callback_compatible((expr), _curl_conv_callback4))
+typedef CURLcode (*_curl_conv_callback1)(char *, size_t length);
+typedef CURLcode (*_curl_conv_callback2)(const char *, size_t length);
+typedef CURLcode (*_curl_conv_callback3)(void *, size_t length);
+typedef CURLcode (*_curl_conv_callback4)(const void *, size_t length);
+
+/* evaluates to true if expr is of type curl_seek_callback or "similar" */
+#define _curl_is_seek_cb(expr)                                          \
+  (_curl_is_NULL(expr) ||                                                     \
+   _curl_callback_compatible((expr), curl_seek_callback) ||                   \
+   _curl_callback_compatible((expr), _curl_seek_callback1) ||                 \
+   _curl_callback_compatible((expr), _curl_seek_callback2))
+typedef CURLcode (*_curl_seek_callback1)(void *, curl_off_t, int);
+typedef CURLcode (*_curl_seek_callback2)(const void *, curl_off_t, int);
+
+
+#endif /* __CURL_TYPECHECK_GCC_H */
Index: trunk/src/libs/curl-7.64.0/include/curl/urlapi.h
===================================================================
--- trunk/src/libs/curl-7.64.0/include/curl/urlapi.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/include/curl/urlapi.h	(revision 85671)
@@ -0,0 +1,122 @@
+#ifndef __CURL_URLAPI_H
+#define __CURL_URLAPI_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2018 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+/* the error codes for the URL API */
+typedef enum {
+  CURLUE_OK,
+  CURLUE_BAD_HANDLE,          /* 1 */
+  CURLUE_BAD_PARTPOINTER,     /* 2 */
+  CURLUE_MALFORMED_INPUT,     /* 3 */
+  CURLUE_BAD_PORT_NUMBER,     /* 4 */
+  CURLUE_UNSUPPORTED_SCHEME,  /* 5 */
+  CURLUE_URLDECODE,           /* 6 */
+  CURLUE_OUT_OF_MEMORY,       /* 7 */
+  CURLUE_USER_NOT_ALLOWED,    /* 8 */
+  CURLUE_UNKNOWN_PART,        /* 9 */
+  CURLUE_NO_SCHEME,           /* 10 */
+  CURLUE_NO_USER,             /* 11 */
+  CURLUE_NO_PASSWORD,         /* 12 */
+  CURLUE_NO_OPTIONS,          /* 13 */
+  CURLUE_NO_HOST,             /* 14 */
+  CURLUE_NO_PORT,             /* 15 */
+  CURLUE_NO_QUERY,            /* 16 */
+  CURLUE_NO_FRAGMENT          /* 17 */
+} CURLUcode;
+
+typedef enum {
+  CURLUPART_URL,
+  CURLUPART_SCHEME,
+  CURLUPART_USER,
+  CURLUPART_PASSWORD,
+  CURLUPART_OPTIONS,
+  CURLUPART_HOST,
+  CURLUPART_PORT,
+  CURLUPART_PATH,
+  CURLUPART_QUERY,
+  CURLUPART_FRAGMENT
+} CURLUPart;
+
+#define CURLU_DEFAULT_PORT (1<<0)       /* return default port number */
+#define CURLU_NO_DEFAULT_PORT (1<<1)    /* act as if no port number was set,
+                                           if the port number matches the
+                                           default for the scheme */
+#define CURLU_DEFAULT_SCHEME (1<<2)     /* return default scheme if
+                                           missing */
+#define CURLU_NON_SUPPORT_SCHEME (1<<3) /* allow non-supported scheme */
+#define CURLU_PATH_AS_IS (1<<4)         /* leave dot sequences */
+#define CURLU_DISALLOW_USER (1<<5)      /* no user+password allowed */
+#define CURLU_URLDECODE (1<<6)          /* URL decode on get */
+#define CURLU_URLENCODE (1<<7)          /* URL encode on set */
+#define CURLU_APPENDQUERY (1<<8)        /* append a form style part */
+#define CURLU_GUESS_SCHEME (1<<9)       /* legacy curl-style guessing */
+
+typedef struct Curl_URL CURLU;
+
+/*
+ * curl_url() creates a new CURLU handle and returns a pointer to it.
+ * Must be freed with curl_url_cleanup().
+ */
+CURL_EXTERN CURLU *curl_url(void);
+
+/*
+ * curl_url_cleanup() frees the CURLU handle and related resources used for
+ * the URL parsing. It will not free strings previously returned with the URL
+ * API.
+ */
+CURL_EXTERN void curl_url_cleanup(CURLU *handle);
+
+/*
+ * curl_url_dup() duplicates a CURLU handle and returns a new copy. The new
+ * handle must also be freed with curl_url_cleanup().
+ */
+CURL_EXTERN CURLU *curl_url_dup(CURLU *in);
+
+/*
+ * curl_url_get() extracts a specific part of the URL from a CURLU
+ * handle. Returns error code. The returned pointer MUST be freed with
+ * curl_free() afterwards.
+ */
+CURL_EXTERN CURLUcode curl_url_get(CURLU *handle, CURLUPart what,
+                                   char **part, unsigned int flags);
+
+/*
+ * curl_url_set() sets a specific part of the URL in a CURLU handle. Returns
+ * error code. The passed in string will be copied. Passing a NULL instead of
+ * a part string, clears that part.
+ */
+CURL_EXTERN CURLUcode curl_url_set(CURLU *handle, CURLUPart what,
+                                   const char *part, unsigned int flags);
+
+
+#ifdef __cplusplus
+} /* end of extern "C" */
+#endif
+
+#endif
Index: trunk/src/libs/curl-7.64.0/lib/CMakeLists.txt
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/CMakeLists.txt	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/CMakeLists.txt	(revision 85671)
@@ -0,0 +1,121 @@
+set(LIB_NAME libcurl)
+
+if(BUILD_SHARED_LIBS)
+  set(CURL_STATICLIB NO)
+else()
+  set(CURL_STATICLIB YES)
+endif()
+
+# Use:
+# * CURL_STATICLIB
+configure_file(curl_config.h.cmake
+  ${CMAKE_CURRENT_BINARY_DIR}/curl_config.h)
+
+transform_makefile_inc("Makefile.inc" "${CMAKE_CURRENT_BINARY_DIR}/Makefile.inc.cmake")
+include(${CMAKE_CURRENT_BINARY_DIR}/Makefile.inc.cmake)
+
+list(APPEND HHEADERS
+  ${CMAKE_CURRENT_BINARY_DIR}/curl_config.h
+  )
+
+if(MSVC)
+  list(APPEND CSOURCES libcurl.rc)
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4127")
+endif()
+
+# SET(CSOURCES
+# #  memdebug.c -not used
+# # nwlib.c - Not used
+# # strtok.c - specify later
+# # strtoofft.c - specify later
+# )
+
+# # if we have Kerberos 4, right now this is never on
+# #OPTION(CURL_KRB4 "Use Kerberos 4" OFF)
+# IF(CURL_KRB4)
+# SET(CSOURCES ${CSOURCES}
+# krb4.c
+# security.c
+# )
+# ENDIF(CURL_KRB4)
+
+# #OPTION(CURL_MALLOC_DEBUG "Debug mallocs in Curl" OFF)
+# MARK_AS_ADVANCED(CURL_MALLOC_DEBUG)
+# IF(CURL_MALLOC_DEBUG)
+# SET(CSOURCES ${CSOURCES}
+# memdebug.c
+# )
+# ENDIF(CURL_MALLOC_DEBUG)
+
+# # only build compat strtoofft if we need to
+# IF(NOT HAVE_STRTOLL AND NOT HAVE__STRTOI64)
+# SET(CSOURCES ${CSOURCES}
+# strtoofft.c
+# )
+# ENDIF(NOT HAVE_STRTOLL AND NOT HAVE__STRTOI64)
+
+
+# The rest of the build
+
+include_directories(${CMAKE_CURRENT_BINARY_DIR}/../include)
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/..)
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../include)
+include_directories(${CMAKE_CURRENT_BINARY_DIR}/..)
+include_directories(${CMAKE_CURRENT_SOURCE_DIR})
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
+if(USE_ARES)
+  include_directories(${CARES_INCLUDE_DIR})
+endif()
+
+add_library(
+  ${LIB_NAME}
+  ${HHEADERS} ${CSOURCES}
+  )
+
+if(MSVC AND NOT BUILD_SHARED_LIBS)
+  set_target_properties(${LIB_NAME} PROPERTIES STATIC_LIBRARY_FLAGS ${CMAKE_EXE_LINKER_FLAGS})
+endif()
+
+if(NOT BUILD_SHARED_LIBS)
+    set_target_properties(${LIB_NAME} PROPERTIES INTERFACE_COMPILE_DEFINITIONS CURL_STATICLIB)
+endif()
+
+target_link_libraries(${LIB_NAME} ${CURL_LIBS})
+
+if(WIN32)
+  add_definitions(-D_USRDLL)
+endif()
+
+set_target_properties(${LIB_NAME} PROPERTIES COMPILE_DEFINITIONS BUILDING_LIBCURL)
+
+if(HIDES_CURL_PRIVATE_SYMBOLS)
+  set_property(TARGET ${LIB_NAME} APPEND PROPERTY COMPILE_DEFINITIONS "CURL_HIDDEN_SYMBOLS")
+  set_property(TARGET ${LIB_NAME} APPEND PROPERTY COMPILE_FLAGS ${CURL_CFLAG_SYMBOLS_HIDE})
+endif()
+
+# Remove the "lib" prefix since the library is already named "libcurl".
+set_target_properties(${LIB_NAME} PROPERTIES PREFIX "")
+set_target_properties(${LIB_NAME} PROPERTIES IMPORT_PREFIX "")
+
+if(WIN32)
+  if(BUILD_SHARED_LIBS)
+    # Add "_imp" as a suffix before the extension to avoid conflicting with the statically linked "libcurl.lib"
+    set_target_properties(${LIB_NAME} PROPERTIES IMPORT_SUFFIX "_imp.lib")
+  endif()
+endif()
+
+target_include_directories(${LIB_NAME} INTERFACE
+  $<INSTALL_INTERFACE:include>
+  $<BUILD_INTERFACE:${CURL_SOURCE_DIR}/include>)
+
+install(TARGETS ${LIB_NAME}
+  EXPORT ${TARGETS_EXPORT_NAME}
+  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)
+
+export(TARGETS ${LIB_NAME}
+       APPEND FILE ${PROJECT_BINARY_DIR}/libcurl-target.cmake
+       NAMESPACE CURL::
+)
Index: trunk/src/libs/curl-7.64.0/lib/Makefile.Watcom
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/Makefile.Watcom	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/Makefile.Watcom	(revision 85671)
@@ -0,0 +1,274 @@
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 2005 - 2009, Gisle Vanem <gvanem@yahoo.no>.
+# Copyright (C) 2005 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+#***************************************************************************
+
+#
+#  Watcom / OpenWatcom / Win32 makefile for libcurl.
+#
+
+.ERASE
+
+!if $(__VERSION__) < 1280
+!message !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+!message ! This Open Watcom version is too old and is no longer supported !
+!message !     Please download latest version from www.openwatcom.org     !
+!message !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+!error Unsupported version of Open Watcom
+!endif
+
+!ifndef %watcom
+!error WATCOM environment variable not set!
+!endif
+
+# In order to process Makefile.inc wmake must be called with -u switch!
+!ifndef %MAKEFLAGS
+!error You MUST call wmake with the -u switch!
+!endif
+
+!ifdef %libname
+LIBNAME = $(%libname)
+!else
+LIBNAME = libcurl
+!endif
+TARGETS = $(LIBNAME).dll $(LIBNAME).lib
+
+CC = wcc386
+LD = wlink
+AR = wlib
+RC = wrc
+
+!ifdef __LOADDLL__
+!  loaddll wcc386  wccd386
+!  loaddll wpp386  wppd386
+!  loaddll wlib    wlibd
+!  loaddll wlink   wlinkd
+!endif
+
+!ifdef __LINUX__
+CP = cp
+MD = mkdir -p
+!else
+CP = copy 2>NUL
+MD = mkdir
+!endif
+!if $(__VERSION__) > 1290
+RD = rm -rf
+!else ifdef __UNIX__
+RD = rm -rf
+!else
+RD = rmdir /q /s 2>NUL
+!endif
+
+SYS_INCL = -I"$(%watcom)/h/nt" -I"$(%watcom)/h"
+
+CFLAGS = -3r -mf -hc -zff -zgf -zq -zm -zc -s -fr=con -w2 -fpi -oilrtfm &
+         -wcd=201 -bt=nt -d+ -dWIN32 &
+         -dBUILDING_LIBCURL -I. -I"../include" $(SYS_INCL)
+
+!ifdef %debug
+DEBUG  = -dDEBUG=1 -dDEBUGBUILD
+CFLAGS += -d3 $(DEBUG)
+!else
+CFLAGS += -d0
+!endif
+
+!ifdef %use_ipv6
+CFLAGS += -d_WIN32_WINNT=0x0501 -dENABLE_IPV6
+!endif
+
+!ifdef %use_sspi
+CFLAGS += -dUSE_WINDOWS_SSPI
+!endif
+
+!ifdef %use_winssl
+CFLAGS += -dUSE_WINDOWS_SSPI
+CFLAGS += -DUSE_SCHANNEL
+!endif
+
+!ifdef %use_winidn
+CFLAGS += -dWINVER=0x0600 -dUSE_WIN32_IDN
+!  if $(__VERSION__) <= 1290
+CFLAGS += -dWANT_IDN_PROTOTYPES
+!  endif
+!endif
+
+#
+# Change to suite.
+#
+!ifdef %zlib_root
+ZLIB_ROOT = $(%zlib_root)
+!else
+ZLIB_ROOT = ../../zlib-1.2.8
+!endif
+
+!ifdef %libssh2_root
+LIBSSH2_ROOT = $(%libssh2_root)
+!else
+LIBSSH2_ROOT = ../../libssh2-1.5.0
+!endif
+
+!ifdef %librtmp_root
+LIBRTMP_ROOT = $(%librtmp_root)
+!else
+LIBRTMP_ROOT = ../../rtmpdump-2.3
+!endif
+
+!ifdef %openssl_root
+OPENSSL_ROOT = $(%openssl_root)
+!else
+OPENSSL_ROOT = ../../openssl-1.0.2a
+!endif
+
+!ifdef %ares_root
+ARES_ROOT = $(%ares_root)
+!else
+ARES_ROOT = ../ares
+!endif
+
+!ifdef %use_zlib
+CFLAGS += -dHAVE_ZLIB_H -dHAVE_LIBZ -I"$(ZLIB_ROOT)"
+!endif
+
+!ifdef %use_rtmp
+CFLAGS += -dUSE_LIBRTMP -I"$(LIBRTMP_ROOT)"
+!endif
+
+!ifdef %use_ssh2
+CFLAGS += -DUSE_LIBSSH2 -DHAVE_LIBSSH2_H -I"$(LIBSSH2_ROOT)/include" -I"$(LIBSSH2_ROOT)/win32"
+!endif
+
+!ifdef %use_ssl
+CFLAGS += -wcd=138 -dUSE_OPENSSL -I"$(OPENSSL_ROOT)/inc32"
+!endif
+
+!ifdef %use_ares
+CFLAGS += -dUSE_ARES -I"$(ARES_ROOT)"
+!endif
+
+!ifdef %use_watt32
+CFLAGS += -dUSE_WATT32 -I"$(%watt_root)/inc"
+!endif
+
+OBJ_BASE = WC_Win32.obj
+!if $(__VERSION__) > 1290
+OBJ_STAT = $(OBJ_BASE)/stat
+OBJ_DYN  = $(OBJ_BASE)/dyn
+!else ifdef __UNIX__
+OBJ_STAT = $(OBJ_BASE)/stat
+OBJ_DYN  = $(OBJ_BASE)/dyn
+!else
+OBJ_STAT = $(OBJ_BASE)\stat
+OBJ_DYN  = $(OBJ_BASE)\dyn
+!endif
+
+LINK_ARG = $(OBJ_DYN)/wlink.arg
+LIB_ARG  = $(OBJ_STAT)/wlib.arg
+
+!include Makefile.inc
+
+OBJS1 = ./$(CSOURCES:.c=.obj)
+OBJS2 = $(OBJS1:vtls/=)
+OBJS3 = $(OBJS2:vauth/=)
+OBJS4 = $(OBJS3: = ./)
+OBJS_STAT = $(OBJS4:./=$(OBJ_STAT)/)
+OBJS_DYN  = $(OBJS4:./=$(OBJ_DYN)/)
+
+RESOURCE   = $(OBJ_DYN)/libcurl.res
+
+DIRS = $(OBJ_BASE) $(OBJ_BASE)/stat $(OBJ_BASE)/dyn
+
+.c : vauth vtls
+
+all: $(DIRS) $(TARGETS) .SYMBOLIC
+	@echo Welcome to libcurl
+
+clean: .SYMBOLIC
+	-rm -f $(OBJS_STAT)
+	-rm -f $(OBJS_DYN)
+	-rm -f $(RESOURCE) $(LINK_ARG) $(LIB_ARG)
+
+vclean distclean: clean .SYMBOLIC
+	-rm -f $(TARGETS) $(LIBNAME).map $(LIBNAME).sym
+	-$(RD) $(OBJ_STAT)
+	-$(RD) $(OBJ_DYN)
+	-$(RD) $(OBJ_BASE)
+
+$(DIRS):
+	-$(MD) $^@
+
+$(LIBNAME).dll: $(OBJS_DYN) $(RESOURCE) $(__MAKEFILES__)
+	%create $(LINK_ARG)
+	@%append $(LINK_ARG) system nt dll
+!ifdef %debug
+	@%append $(LINK_ARG) debug all
+	@%append $(LINK_ARG) option symfile
+!endif
+	@%append $(LINK_ARG) option quiet, caseexact, eliminate
+	@%append $(LINK_ARG) option map=$(OBJ_DYN)/$(LIBNAME).map
+	@%append $(LINK_ARG) option implib=$(LIBNAME)_imp.lib
+	@%append $(LINK_ARG) option res=$(RESOURCE)
+	@for %f in ($(OBJS_DYN)) do @%append $(LINK_ARG) file %f
+	@%append $(LINK_ARG) library wldap32.lib
+!ifdef %use_watt32
+	@%append $(LINK_ARG) library '$(%watt_root)/lib/wattcpw_imp.lib'
+!else
+	@%append $(LINK_ARG) library ws2_32.lib
+!endif
+!ifdef %use_zlib
+	@%append $(LINK_ARG) library '$(ZLIB_ROOT)/zlib.lib'
+!endif
+!ifdef %use_rtmp
+	@%append $(LINK_ARG) library '$(LIBRTMP_ROOT)/librtmp/librtmp.lib'
+!endif
+!ifdef %use_ssh2
+	@%append $(LINK_ARG) library '$(LIBSSH2_ROOT)/win32/libssh2.lib'
+!endif
+!ifdef %use_ssl
+	@%append $(LINK_ARG) library '$(OPENSSL_ROOT)/out32/libeay32.lib'
+	@%append $(LINK_ARG) library '$(OPENSSL_ROOT)/out32/ssleay32.lib'
+!endif
+!ifdef %use_ares
+	@%append $(LINK_ARG) library '$(ARES_ROOT)/cares.lib'
+!endif
+!ifdef %use_winidn
+!  if $(__VERSION__) > 1290
+	@%append $(LINK_ARG) library normaliz.lib
+!  else
+	@%append $(LINK_ARG) import '_IdnToAscii@20' 'NORMALIZ.DLL'.'IdnToAscii'
+	@%append $(LINK_ARG) import '_IdnToUnicode@20' 'NORMALIZ.DLL'.'IdnToUnicode'
+!  endif
+!endif
+	$(LD) name $^@ @$(LINK_ARG)
+
+$(LIBNAME).lib: $(OBJS_STAT)
+	%create $(LIB_ARG)
+	@for %f in ($<) do @%append $(LIB_ARG) +- %f
+	$(AR) -q -b -c -pa $^@ @$(LIB_ARG)
+
+$(RESOURCE): libcurl.rc
+	$(RC) $(DEBUG) -q -r -zm -bt=nt -I"../include" $(SYS_INCL) $[@ -fo=$^@
+
+.c{$(OBJ_DYN)}.obj:
+	$(CC) $(CFLAGS) -bd -br $[@ -fo=$^@
+
+.c{$(OBJ_STAT)}.obj:
+	$(CC) $(CFLAGS) -DCURL_STATICLIB $[@ -fo=$^@
Index: trunk/src/libs/curl-7.64.0/lib/Makefile.am
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/Makefile.am	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/Makefile.am	(revision 85671)
@@ -0,0 +1,149 @@
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
+AUTOMAKE_OPTIONS = foreign nostdinc
+
+CMAKE_DIST = CMakeLists.txt curl_config.h.cmake
+
+EXTRA_DIST = Makefile.m32 config-win32.h                            \
+ config-win32ce.h config-riscos.h config-mac.h curl_config.h.in     \
+ makefile.dj config-dos.h libcurl.plist libcurl.rc config-amigaos.h \
+ makefile.amiga Makefile.netware nwlib.c nwos.c config-win32ce.h    \
+ config-os400.h setup-os400.h config-symbian.h Makefile.Watcom      \
+ config-tpf.h mk-ca-bundle.pl mk-ca-bundle.vbs $(CMAKE_DIST)        \
+ firefox-db2pem.sh config-vxworks.h Makefile.vxworks checksrc.pl
+
+lib_LTLIBRARIES = libcurl.la
+
+if BUILD_UNITTESTS
+noinst_LTLIBRARIES = libcurlu.la
+else
+noinst_LTLIBRARIES =
+endif
+
+# This might hold -Werror
+CFLAGS += @CURL_CFLAG_EXTRAS@
+
+# Specify our include paths here, and do it relative to $(top_srcdir) and
+# $(top_builddir), to ensure that these paths which belong to the library
+# being currently built and tested are searched before the library which
+# might possibly already be installed in the system.
+#
+# $(top_srcdir)/include is for libcurl's external include files
+# $(top_builddir)/lib is for libcurl's generated lib/curl_config.h file
+# $(top_srcdir)/lib for libcurl's lib/curl_setup.h and other "private" files
+# $(top_builddir)/ares is for in-tree c-ares's generated ares_build.h file
+# $(top_srcdir)/ares is for in-tree c-ares's external include files
+
+AM_CPPFLAGS = -I$(top_srcdir)/include        \
+              -I$(top_builddir)/lib          \
+              -I$(top_srcdir)/lib
+
+if USE_EMBEDDED_ARES
+AM_CPPFLAGS += -I$(top_builddir)/ares        \
+               -I$(top_srcdir)/ares
+endif
+
+# Prevent LIBS from being used for all link targets
+LIBS = $(BLANK_AT_MAKETIME)
+
+VERSIONINFO=-version-info 9:0:5
+# This flag accepts an argument of the form current[:revision[:age]]. So,
+# passing -version-info 3:12:1 sets current to 3, revision to 12, and age to
+# 1.
+#
+# Here's the simplified rule guide on how to change -version-info:
+# (current version is C:R:A)
+#
+# 1. if there are only source changes, use C:R+1:A
+# 2. if interfaces were added use C+1:0:A+1
+# 3. if interfaces were removed, then use C+1:0:0
+#
+# For the full guide on libcurl ABI rules, see docs/libcurl/ABI
+
+AM_CPPFLAGS += -DBUILDING_LIBCURL
+AM_LDFLAGS =
+AM_CFLAGS =
+
+libcurl_la_CPPFLAGS_EXTRA =
+libcurl_la_LDFLAGS_EXTRA =
+libcurl_la_CFLAGS_EXTRA =
+
+if CURL_LT_SHLIB_USE_VERSION_INFO
+libcurl_la_LDFLAGS_EXTRA += $(VERSIONINFO)
+endif
+
+if CURL_LT_SHLIB_USE_NO_UNDEFINED
+libcurl_la_LDFLAGS_EXTRA += -no-undefined
+endif
+
+if CURL_LT_SHLIB_USE_MIMPURE_TEXT
+libcurl_la_LDFLAGS_EXTRA += -mimpure-text
+endif
+
+if CURL_LT_SHLIB_USE_VERSIONED_SYMBOLS
+libcurl_la_LDFLAGS_EXTRA += -Wl,--version-script=libcurl.vers
+else
+# if symbol-hiding is enabled, hide them!
+if DOING_CURL_SYMBOL_HIDING
+libcurl_la_LDFLAGS_EXTRA += -export-symbols-regex '^curl_.*'
+endif
+endif
+
+if USE_CPPFLAG_CURL_STATICLIB
+libcurl_la_CPPFLAGS_EXTRA += -DCURL_STATICLIB
+endif
+
+if DOING_CURL_SYMBOL_HIDING
+libcurl_la_CPPFLAGS_EXTRA += -DCURL_HIDDEN_SYMBOLS
+libcurl_la_CFLAGS_EXTRA += $(CFLAG_CURL_SYMBOL_HIDING)
+endif
+
+libcurl_la_CPPFLAGS = $(AM_CPPFLAGS) $(libcurl_la_CPPFLAGS_EXTRA)
+libcurl_la_LDFLAGS = $(AM_LDFLAGS) $(libcurl_la_LDFLAGS_EXTRA) $(LDFLAGS) $(LIBCURL_LIBS)
+libcurl_la_CFLAGS = $(AM_CFLAGS) $(libcurl_la_CFLAGS_EXTRA)
+
+libcurlu_la_CPPFLAGS = $(AM_CPPFLAGS) -DCURL_STATICLIB -DUNITTESTS
+libcurlu_la_LDFLAGS = $(AM_LDFLAGS) -static $(LIBCURL_LIBS)
+libcurlu_la_CFLAGS = $(AM_CFLAGS)
+
+# Makefile.inc provides the CSOURCES and HHEADERS defines
+include Makefile.inc
+
+libcurl_la_SOURCES = $(CSOURCES) $(HHEADERS)
+libcurlu_la_SOURCES = $(CSOURCES) $(HHEADERS)
+
+checksrc:
+	@PERL@ $(srcdir)/checksrc.pl -D$(srcdir) -W$(srcdir)/curl_config.h      \
+	$(srcdir)/*.[ch] $(srcdir)/vauth/*.[ch] $(srcdir)/vtls/*.[ch]
+
+if CURLDEBUG
+# for debug builds, we scan the sources on all regular make invokes
+all-local: checksrc
+endif
+
+# disable the tests that are mostly causing false positives
+TIDYFLAGS=-checks=-clang-analyzer-security.insecureAPI.strcpy,-clang-analyzer-optin.performance.Padding,-clang-analyzer-valist.Uninitialized,-clang-analyzer-core.NonNullParamChecker,-clang-analyzer-core.NullDereference -quiet
+
+TIDY:=clang-tidy
+
+tidy:
+	$(TIDY) $(CSOURCES) $(TIDYFLAGS) -- $(AM_CPPFLAGS) $(CPPFLAGS) -DHAVE_CONFIG_H
Index: trunk/src/libs/curl-7.64.0/lib/Makefile.in
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/Makefile.in	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/Makefile.in	(revision 85671)
@@ -0,0 +1,4228 @@
+# Makefile.in generated by automake 1.16.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+@USE_EMBEDDED_ARES_TRUE@am__append_1 = -I$(top_builddir)/ares        \
+@USE_EMBEDDED_ARES_TRUE@               -I$(top_srcdir)/ares
+
+@CURL_LT_SHLIB_USE_VERSION_INFO_TRUE@am__append_2 = $(VERSIONINFO)
+@CURL_LT_SHLIB_USE_NO_UNDEFINED_TRUE@am__append_3 = -no-undefined
+@CURL_LT_SHLIB_USE_MIMPURE_TEXT_TRUE@am__append_4 = -mimpure-text
+@CURL_LT_SHLIB_USE_VERSIONED_SYMBOLS_TRUE@am__append_5 = -Wl,--version-script=libcurl.vers
+# if symbol-hiding is enabled, hide them!
+@CURL_LT_SHLIB_USE_VERSIONED_SYMBOLS_FALSE@@DOING_CURL_SYMBOL_HIDING_TRUE@am__append_6 = -export-symbols-regex '^curl_.*'
+@USE_CPPFLAG_CURL_STATICLIB_TRUE@am__append_7 = -DCURL_STATICLIB
+@DOING_CURL_SYMBOL_HIDING_TRUE@am__append_8 = -DCURL_HIDDEN_SYMBOLS
+@DOING_CURL_SYMBOL_HIDING_TRUE@am__append_9 = $(CFLAG_CURL_SYMBOL_HIDING)
+subdir = lib
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/ax_compile_check_sizeof.m4 \
+	$(top_srcdir)/m4/curl-compilers.m4 \
+	$(top_srcdir)/m4/curl-confopts.m4 \
+	$(top_srcdir)/m4/curl-functions.m4 \
+	$(top_srcdir)/m4/curl-openssl.m4 \
+	$(top_srcdir)/m4/curl-override.m4 \
+	$(top_srcdir)/m4/curl-reentrant.m4 $(top_srcdir)/m4/libtool.m4 \
+	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
+	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
+	$(top_srcdir)/m4/xc-am-iface.m4 \
+	$(top_srcdir)/m4/xc-cc-check.m4 \
+	$(top_srcdir)/m4/xc-lt-iface.m4 \
+	$(top_srcdir)/m4/xc-translit.m4 \
+	$(top_srcdir)/m4/xc-val-flgs.m4 \
+	$(top_srcdir)/m4/zz40-xc-ovr.m4 \
+	$(top_srcdir)/m4/zz50-xc-ovr.m4 \
+	$(top_srcdir)/m4/zz60-xc-ovr.m4 $(top_srcdir)/acinclude.m4 \
+	$(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = curl_config.h
+CONFIG_CLEAN_FILES = libcurl.vers
+CONFIG_CLEAN_VPATH_FILES =
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+am__vpath_adj = case $$p in \
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+am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`;
+am__install_max = 40
+am__nobase_strip_setup = \
+  srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*|]/\\\\&/g'`
+am__nobase_strip = \
+  for p in $$list; do echo "$$p"; done | sed -e "s|$$srcdirstrip/||"
+am__nobase_list = $(am__nobase_strip_setup); \
+  for p in $$list; do echo "$$p $$p"; done | \
+  sed "s| $$srcdirstrip/| |;"' / .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \
+  $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \
+    if (++n[$$2] == $(am__install_max)) \
+      { print $$2, files[$$2]; n[$$2] = 0; files[$$2] = "" } } \
+    END { for (dir in files) print dir, files[dir] }'
+am__base_list = \
+  sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \
+  sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g'
+am__uninstall_files_from_dir = { \
+  test -z "$$files" \
+    || { test ! -d "$$dir" && test ! -f "$$dir" && test ! -r "$$dir"; } \
+    || { echo " ( cd '$$dir' && rm -f" $$files ")"; \
+         $(am__cd) "$$dir" && rm -f $$files; }; \
+  }
+am__installdirs = "$(DESTDIR)$(libdir)"
+LTLIBRARIES = $(lib_LTLIBRARIES) $(noinst_LTLIBRARIES)
+libcurl_la_LIBADD =
+am__objects_1 = libcurl_la-file.lo libcurl_la-timeval.lo \
+	libcurl_la-base64.lo libcurl_la-hostip.lo \
+	libcurl_la-progress.lo libcurl_la-formdata.lo \
+	libcurl_la-cookie.lo libcurl_la-http.lo libcurl_la-sendf.lo \
+	libcurl_la-ftp.lo libcurl_la-url.lo libcurl_la-dict.lo \
+	libcurl_la-if2ip.lo libcurl_la-speedcheck.lo \
+	libcurl_la-ldap.lo libcurl_la-version.lo libcurl_la-getenv.lo \
+	libcurl_la-escape.lo libcurl_la-mprintf.lo \
+	libcurl_la-telnet.lo libcurl_la-netrc.lo libcurl_la-getinfo.lo \
+	libcurl_la-transfer.lo libcurl_la-strcase.lo \
+	libcurl_la-easy.lo libcurl_la-security.lo \
+	libcurl_la-curl_fnmatch.lo libcurl_la-fileinfo.lo \
+	libcurl_la-ftplistparser.lo libcurl_la-wildcard.lo \
+	libcurl_la-krb5.lo libcurl_la-memdebug.lo \
+	libcurl_la-http_chunks.lo libcurl_la-strtok.lo \
+	libcurl_la-connect.lo libcurl_la-llist.lo libcurl_la-hash.lo \
+	libcurl_la-multi.lo libcurl_la-content_encoding.lo \
+	libcurl_la-share.lo libcurl_la-http_digest.lo \
+	libcurl_la-md4.lo libcurl_la-md5.lo \
+	libcurl_la-http_negotiate.lo libcurl_la-inet_pton.lo \
+	libcurl_la-strtoofft.lo libcurl_la-strerror.lo \
+	libcurl_la-amigaos.lo libcurl_la-hostasyn.lo \
+	libcurl_la-hostip4.lo libcurl_la-hostip6.lo \
+	libcurl_la-hostsyn.lo libcurl_la-inet_ntop.lo \
+	libcurl_la-parsedate.lo libcurl_la-select.lo \
+	libcurl_la-tftp.lo libcurl_la-splay.lo libcurl_la-strdup.lo \
+	libcurl_la-socks.lo libcurl_la-ssh.lo libcurl_la-ssh-libssh.lo \
+	libcurl_la-curl_addrinfo.lo libcurl_la-socks_gssapi.lo \
+	libcurl_la-socks_sspi.lo libcurl_la-curl_sspi.lo \
+	libcurl_la-slist.lo libcurl_la-nonblock.lo \
+	libcurl_la-curl_memrchr.lo libcurl_la-imap.lo \
+	libcurl_la-pop3.lo libcurl_la-smtp.lo libcurl_la-pingpong.lo \
+	libcurl_la-rtsp.lo libcurl_la-curl_threads.lo \
+	libcurl_la-warnless.lo libcurl_la-hmac.lo \
+	libcurl_la-curl_rtmp.lo libcurl_la-openldap.lo \
+	libcurl_la-curl_gethostname.lo libcurl_la-gopher.lo \
+	libcurl_la-idn_win32.lo libcurl_la-http_proxy.lo \
+	libcurl_la-non-ascii.lo libcurl_la-asyn-ares.lo \
+	libcurl_la-asyn-thread.lo libcurl_la-curl_gssapi.lo \
+	libcurl_la-http_ntlm.lo libcurl_la-curl_ntlm_wb.lo \
+	libcurl_la-curl_ntlm_core.lo libcurl_la-curl_sasl.lo \
+	libcurl_la-rand.lo libcurl_la-curl_multibyte.lo \
+	libcurl_la-hostcheck.lo libcurl_la-conncache.lo \
+	libcurl_la-pipeline.lo libcurl_la-dotdot.lo \
+	libcurl_la-x509asn1.lo libcurl_la-http2.lo libcurl_la-smb.lo \
+	libcurl_la-curl_endian.lo libcurl_la-curl_des.lo \
+	libcurl_la-system_win32.lo libcurl_la-mime.lo \
+	libcurl_la-sha256.lo libcurl_la-setopt.lo \
+	libcurl_la-curl_path.lo libcurl_la-curl_ctype.lo \
+	libcurl_la-curl_range.lo libcurl_la-psl.lo libcurl_la-doh.lo \
+	libcurl_la-urlapi.lo
+am__dirstamp = $(am__leading_dot)dirstamp
+am__objects_2 = vauth/libcurl_la-vauth.lo \
+	vauth/libcurl_la-cleartext.lo vauth/libcurl_la-cram.lo \
+	vauth/libcurl_la-digest.lo vauth/libcurl_la-digest_sspi.lo \
+	vauth/libcurl_la-krb5_gssapi.lo vauth/libcurl_la-krb5_sspi.lo \
+	vauth/libcurl_la-ntlm.lo vauth/libcurl_la-ntlm_sspi.lo \
+	vauth/libcurl_la-oauth2.lo vauth/libcurl_la-spnego_gssapi.lo \
+	vauth/libcurl_la-spnego_sspi.lo
+am__objects_3 = vtls/libcurl_la-openssl.lo vtls/libcurl_la-gtls.lo \
+	vtls/libcurl_la-vtls.lo vtls/libcurl_la-nss.lo \
+	vtls/libcurl_la-polarssl.lo \
+	vtls/libcurl_la-polarssl_threadlock.lo \
+	vtls/libcurl_la-cyassl.lo vtls/libcurl_la-schannel.lo \
+	vtls/libcurl_la-schannel_verify.lo \
+	vtls/libcurl_la-darwinssl.lo vtls/libcurl_la-gskit.lo \
+	vtls/libcurl_la-mbedtls.lo vtls/libcurl_la-mesalink.lo
+am__objects_4 = $(am__objects_1) $(am__objects_2) $(am__objects_3)
+am__objects_5 =
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+am_libcurl_la_OBJECTS = $(am__objects_4) $(am__objects_6)
+libcurl_la_OBJECTS = $(am_libcurl_la_OBJECTS)
+AM_V_lt = $(am__v_lt_@AM_V@)
+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
+am__v_lt_1 = 
+libcurl_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(libcurl_la_CFLAGS) \
+	$(CFLAGS) $(libcurl_la_LDFLAGS) $(LDFLAGS) -o $@
+libcurlu_la_LIBADD =
+am__objects_7 = libcurlu_la-file.lo libcurlu_la-timeval.lo \
+	libcurlu_la-base64.lo libcurlu_la-hostip.lo \
+	libcurlu_la-progress.lo libcurlu_la-formdata.lo \
+	libcurlu_la-cookie.lo libcurlu_la-http.lo libcurlu_la-sendf.lo \
+	libcurlu_la-ftp.lo libcurlu_la-url.lo libcurlu_la-dict.lo \
+	libcurlu_la-if2ip.lo libcurlu_la-speedcheck.lo \
+	libcurlu_la-ldap.lo libcurlu_la-version.lo \
+	libcurlu_la-getenv.lo libcurlu_la-escape.lo \
+	libcurlu_la-mprintf.lo libcurlu_la-telnet.lo \
+	libcurlu_la-netrc.lo libcurlu_la-getinfo.lo \
+	libcurlu_la-transfer.lo libcurlu_la-strcase.lo \
+	libcurlu_la-easy.lo libcurlu_la-security.lo \
+	libcurlu_la-curl_fnmatch.lo libcurlu_la-fileinfo.lo \
+	libcurlu_la-ftplistparser.lo libcurlu_la-wildcard.lo \
+	libcurlu_la-krb5.lo libcurlu_la-memdebug.lo \
+	libcurlu_la-http_chunks.lo libcurlu_la-strtok.lo \
+	libcurlu_la-connect.lo libcurlu_la-llist.lo \
+	libcurlu_la-hash.lo libcurlu_la-multi.lo \
+	libcurlu_la-content_encoding.lo libcurlu_la-share.lo \
+	libcurlu_la-http_digest.lo libcurlu_la-md4.lo \
+	libcurlu_la-md5.lo libcurlu_la-http_negotiate.lo \
+	libcurlu_la-inet_pton.lo libcurlu_la-strtoofft.lo \
+	libcurlu_la-strerror.lo libcurlu_la-amigaos.lo \
+	libcurlu_la-hostasyn.lo libcurlu_la-hostip4.lo \
+	libcurlu_la-hostip6.lo libcurlu_la-hostsyn.lo \
+	libcurlu_la-inet_ntop.lo libcurlu_la-parsedate.lo \
+	libcurlu_la-select.lo libcurlu_la-tftp.lo libcurlu_la-splay.lo \
+	libcurlu_la-strdup.lo libcurlu_la-socks.lo libcurlu_la-ssh.lo \
+	libcurlu_la-ssh-libssh.lo libcurlu_la-curl_addrinfo.lo \
+	libcurlu_la-socks_gssapi.lo libcurlu_la-socks_sspi.lo \
+	libcurlu_la-curl_sspi.lo libcurlu_la-slist.lo \
+	libcurlu_la-nonblock.lo libcurlu_la-curl_memrchr.lo \
+	libcurlu_la-imap.lo libcurlu_la-pop3.lo libcurlu_la-smtp.lo \
+	libcurlu_la-pingpong.lo libcurlu_la-rtsp.lo \
+	libcurlu_la-curl_threads.lo libcurlu_la-warnless.lo \
+	libcurlu_la-hmac.lo libcurlu_la-curl_rtmp.lo \
+	libcurlu_la-openldap.lo libcurlu_la-curl_gethostname.lo \
+	libcurlu_la-gopher.lo libcurlu_la-idn_win32.lo \
+	libcurlu_la-http_proxy.lo libcurlu_la-non-ascii.lo \
+	libcurlu_la-asyn-ares.lo libcurlu_la-asyn-thread.lo \
+	libcurlu_la-curl_gssapi.lo libcurlu_la-http_ntlm.lo \
+	libcurlu_la-curl_ntlm_wb.lo libcurlu_la-curl_ntlm_core.lo \
+	libcurlu_la-curl_sasl.lo libcurlu_la-rand.lo \
+	libcurlu_la-curl_multibyte.lo libcurlu_la-hostcheck.lo \
+	libcurlu_la-conncache.lo libcurlu_la-pipeline.lo \
+	libcurlu_la-dotdot.lo libcurlu_la-x509asn1.lo \
+	libcurlu_la-http2.lo libcurlu_la-smb.lo \
+	libcurlu_la-curl_endian.lo libcurlu_la-curl_des.lo \
+	libcurlu_la-system_win32.lo libcurlu_la-mime.lo \
+	libcurlu_la-sha256.lo libcurlu_la-setopt.lo \
+	libcurlu_la-curl_path.lo libcurlu_la-curl_ctype.lo \
+	libcurlu_la-curl_range.lo libcurlu_la-psl.lo \
+	libcurlu_la-doh.lo libcurlu_la-urlapi.lo
+am__objects_8 = vauth/libcurlu_la-vauth.lo \
+	vauth/libcurlu_la-cleartext.lo vauth/libcurlu_la-cram.lo \
+	vauth/libcurlu_la-digest.lo vauth/libcurlu_la-digest_sspi.lo \
+	vauth/libcurlu_la-krb5_gssapi.lo \
+	vauth/libcurlu_la-krb5_sspi.lo vauth/libcurlu_la-ntlm.lo \
+	vauth/libcurlu_la-ntlm_sspi.lo vauth/libcurlu_la-oauth2.lo \
+	vauth/libcurlu_la-spnego_gssapi.lo \
+	vauth/libcurlu_la-spnego_sspi.lo
+am__objects_9 = vtls/libcurlu_la-openssl.lo vtls/libcurlu_la-gtls.lo \
+	vtls/libcurlu_la-vtls.lo vtls/libcurlu_la-nss.lo \
+	vtls/libcurlu_la-polarssl.lo \
+	vtls/libcurlu_la-polarssl_threadlock.lo \
+	vtls/libcurlu_la-cyassl.lo vtls/libcurlu_la-schannel.lo \
+	vtls/libcurlu_la-schannel_verify.lo \
+	vtls/libcurlu_la-darwinssl.lo vtls/libcurlu_la-gskit.lo \
+	vtls/libcurlu_la-mbedtls.lo vtls/libcurlu_la-mesalink.lo
+am__objects_10 = $(am__objects_7) $(am__objects_8) $(am__objects_9)
+am_libcurlu_la_OBJECTS = $(am__objects_10) $(am__objects_6)
+libcurlu_la_OBJECTS = $(am_libcurlu_la_OBJECTS)
+libcurlu_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(libcurlu_la_CFLAGS) \
+	$(CFLAGS) $(libcurlu_la_LDFLAGS) $(LDFLAGS) -o $@
+@BUILD_UNITTESTS_TRUE@am_libcurlu_la_rpath =
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
+AM_V_GEN = $(am__v_GEN_@AM_V@)
+am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@)
+am__v_GEN_0 = @echo "  GEN     " $@;
+am__v_GEN_1 = 
+AM_V_at = $(am__v_at_@AM_V@)
+am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
+am__v_at_0 = @
+am__v_at_1 = 
+DEFAULT_INCLUDES = 
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__maybe_remake_depfiles = depfiles
+am__depfiles_remade = ./$(DEPDIR)/libcurl_la-amigaos.Plo \
+	./$(DEPDIR)/libcurl_la-asyn-ares.Plo \
+	./$(DEPDIR)/libcurl_la-asyn-thread.Plo \
+	./$(DEPDIR)/libcurl_la-base64.Plo \
+	./$(DEPDIR)/libcurl_la-conncache.Plo \
+	./$(DEPDIR)/libcurl_la-connect.Plo \
+	./$(DEPDIR)/libcurl_la-content_encoding.Plo \
+	./$(DEPDIR)/libcurl_la-cookie.Plo \
+	./$(DEPDIR)/libcurl_la-curl_addrinfo.Plo \
+	./$(DEPDIR)/libcurl_la-curl_ctype.Plo \
+	./$(DEPDIR)/libcurl_la-curl_des.Plo \
+	./$(DEPDIR)/libcurl_la-curl_endian.Plo \
+	./$(DEPDIR)/libcurl_la-curl_fnmatch.Plo \
+	./$(DEPDIR)/libcurl_la-curl_gethostname.Plo \
+	./$(DEPDIR)/libcurl_la-curl_gssapi.Plo \
+	./$(DEPDIR)/libcurl_la-curl_memrchr.Plo \
+	./$(DEPDIR)/libcurl_la-curl_multibyte.Plo \
+	./$(DEPDIR)/libcurl_la-curl_ntlm_core.Plo \
+	./$(DEPDIR)/libcurl_la-curl_ntlm_wb.Plo \
+	./$(DEPDIR)/libcurl_la-curl_path.Plo \
+	./$(DEPDIR)/libcurl_la-curl_range.Plo \
+	./$(DEPDIR)/libcurl_la-curl_rtmp.Plo \
+	./$(DEPDIR)/libcurl_la-curl_sasl.Plo \
+	./$(DEPDIR)/libcurl_la-curl_sspi.Plo \
+	./$(DEPDIR)/libcurl_la-curl_threads.Plo \
+	./$(DEPDIR)/libcurl_la-dict.Plo ./$(DEPDIR)/libcurl_la-doh.Plo \
+	./$(DEPDIR)/libcurl_la-dotdot.Plo \
+	./$(DEPDIR)/libcurl_la-easy.Plo \
+	./$(DEPDIR)/libcurl_la-escape.Plo \
+	./$(DEPDIR)/libcurl_la-file.Plo \
+	./$(DEPDIR)/libcurl_la-fileinfo.Plo \
+	./$(DEPDIR)/libcurl_la-formdata.Plo \
+	./$(DEPDIR)/libcurl_la-ftp.Plo \
+	./$(DEPDIR)/libcurl_la-ftplistparser.Plo \
+	./$(DEPDIR)/libcurl_la-getenv.Plo \
+	./$(DEPDIR)/libcurl_la-getinfo.Plo \
+	./$(DEPDIR)/libcurl_la-gopher.Plo \
+	./$(DEPDIR)/libcurl_la-hash.Plo \
+	./$(DEPDIR)/libcurl_la-hmac.Plo \
+	./$(DEPDIR)/libcurl_la-hostasyn.Plo \
+	./$(DEPDIR)/libcurl_la-hostcheck.Plo \
+	./$(DEPDIR)/libcurl_la-hostip.Plo \
+	./$(DEPDIR)/libcurl_la-hostip4.Plo \
+	./$(DEPDIR)/libcurl_la-hostip6.Plo \
+	./$(DEPDIR)/libcurl_la-hostsyn.Plo \
+	./$(DEPDIR)/libcurl_la-http.Plo \
+	./$(DEPDIR)/libcurl_la-http2.Plo \
+	./$(DEPDIR)/libcurl_la-http_chunks.Plo \
+	./$(DEPDIR)/libcurl_la-http_digest.Plo \
+	./$(DEPDIR)/libcurl_la-http_negotiate.Plo \
+	./$(DEPDIR)/libcurl_la-http_ntlm.Plo \
+	./$(DEPDIR)/libcurl_la-http_proxy.Plo \
+	./$(DEPDIR)/libcurl_la-idn_win32.Plo \
+	./$(DEPDIR)/libcurl_la-if2ip.Plo \
+	./$(DEPDIR)/libcurl_la-imap.Plo \
+	./$(DEPDIR)/libcurl_la-inet_ntop.Plo \
+	./$(DEPDIR)/libcurl_la-inet_pton.Plo \
+	./$(DEPDIR)/libcurl_la-krb5.Plo \
+	./$(DEPDIR)/libcurl_la-ldap.Plo \
+	./$(DEPDIR)/libcurl_la-llist.Plo \
+	./$(DEPDIR)/libcurl_la-md4.Plo ./$(DEPDIR)/libcurl_la-md5.Plo \
+	./$(DEPDIR)/libcurl_la-memdebug.Plo \
+	./$(DEPDIR)/libcurl_la-mime.Plo \
+	./$(DEPDIR)/libcurl_la-mprintf.Plo \
+	./$(DEPDIR)/libcurl_la-multi.Plo \
+	./$(DEPDIR)/libcurl_la-netrc.Plo \
+	./$(DEPDIR)/libcurl_la-non-ascii.Plo \
+	./$(DEPDIR)/libcurl_la-nonblock.Plo \
+	./$(DEPDIR)/libcurl_la-openldap.Plo \
+	./$(DEPDIR)/libcurl_la-parsedate.Plo \
+	./$(DEPDIR)/libcurl_la-pingpong.Plo \
+	./$(DEPDIR)/libcurl_la-pipeline.Plo \
+	./$(DEPDIR)/libcurl_la-pop3.Plo \
+	./$(DEPDIR)/libcurl_la-progress.Plo \
+	./$(DEPDIR)/libcurl_la-psl.Plo ./$(DEPDIR)/libcurl_la-rand.Plo \
+	./$(DEPDIR)/libcurl_la-rtsp.Plo \
+	./$(DEPDIR)/libcurl_la-security.Plo \
+	./$(DEPDIR)/libcurl_la-select.Plo \
+	./$(DEPDIR)/libcurl_la-sendf.Plo \
+	./$(DEPDIR)/libcurl_la-setopt.Plo \
+	./$(DEPDIR)/libcurl_la-sha256.Plo \
+	./$(DEPDIR)/libcurl_la-share.Plo \
+	./$(DEPDIR)/libcurl_la-slist.Plo \
+	./$(DEPDIR)/libcurl_la-smb.Plo ./$(DEPDIR)/libcurl_la-smtp.Plo \
+	./$(DEPDIR)/libcurl_la-socks.Plo \
+	./$(DEPDIR)/libcurl_la-socks_gssapi.Plo \
+	./$(DEPDIR)/libcurl_la-socks_sspi.Plo \
+	./$(DEPDIR)/libcurl_la-speedcheck.Plo \
+	./$(DEPDIR)/libcurl_la-splay.Plo \
+	./$(DEPDIR)/libcurl_la-ssh-libssh.Plo \
+	./$(DEPDIR)/libcurl_la-ssh.Plo \
+	./$(DEPDIR)/libcurl_la-strcase.Plo \
+	./$(DEPDIR)/libcurl_la-strdup.Plo \
+	./$(DEPDIR)/libcurl_la-strerror.Plo \
+	./$(DEPDIR)/libcurl_la-strtok.Plo \
+	./$(DEPDIR)/libcurl_la-strtoofft.Plo \
+	./$(DEPDIR)/libcurl_la-system_win32.Plo \
+	./$(DEPDIR)/libcurl_la-telnet.Plo \
+	./$(DEPDIR)/libcurl_la-tftp.Plo \
+	./$(DEPDIR)/libcurl_la-timeval.Plo \
+	./$(DEPDIR)/libcurl_la-transfer.Plo \
+	./$(DEPDIR)/libcurl_la-url.Plo \
+	./$(DEPDIR)/libcurl_la-urlapi.Plo \
+	./$(DEPDIR)/libcurl_la-version.Plo \
+	./$(DEPDIR)/libcurl_la-warnless.Plo \
+	./$(DEPDIR)/libcurl_la-wildcard.Plo \
+	./$(DEPDIR)/libcurl_la-x509asn1.Plo \
+	./$(DEPDIR)/libcurlu_la-amigaos.Plo \
+	./$(DEPDIR)/libcurlu_la-asyn-ares.Plo \
+	./$(DEPDIR)/libcurlu_la-asyn-thread.Plo \
+	./$(DEPDIR)/libcurlu_la-base64.Plo \
+	./$(DEPDIR)/libcurlu_la-conncache.Plo \
+	./$(DEPDIR)/libcurlu_la-connect.Plo \
+	./$(DEPDIR)/libcurlu_la-content_encoding.Plo \
+	./$(DEPDIR)/libcurlu_la-cookie.Plo \
+	./$(DEPDIR)/libcurlu_la-curl_addrinfo.Plo \
+	./$(DEPDIR)/libcurlu_la-curl_ctype.Plo \
+	./$(DEPDIR)/libcurlu_la-curl_des.Plo \
+	./$(DEPDIR)/libcurlu_la-curl_endian.Plo \
+	./$(DEPDIR)/libcurlu_la-curl_fnmatch.Plo \
+	./$(DEPDIR)/libcurlu_la-curl_gethostname.Plo \
+	./$(DEPDIR)/libcurlu_la-curl_gssapi.Plo \
+	./$(DEPDIR)/libcurlu_la-curl_memrchr.Plo \
+	./$(DEPDIR)/libcurlu_la-curl_multibyte.Plo \
+	./$(DEPDIR)/libcurlu_la-curl_ntlm_core.Plo \
+	./$(DEPDIR)/libcurlu_la-curl_ntlm_wb.Plo \
+	./$(DEPDIR)/libcurlu_la-curl_path.Plo \
+	./$(DEPDIR)/libcurlu_la-curl_range.Plo \
+	./$(DEPDIR)/libcurlu_la-curl_rtmp.Plo \
+	./$(DEPDIR)/libcurlu_la-curl_sasl.Plo \
+	./$(DEPDIR)/libcurlu_la-curl_sspi.Plo \
+	./$(DEPDIR)/libcurlu_la-curl_threads.Plo \
+	./$(DEPDIR)/libcurlu_la-dict.Plo \
+	./$(DEPDIR)/libcurlu_la-doh.Plo \
+	./$(DEPDIR)/libcurlu_la-dotdot.Plo \
+	./$(DEPDIR)/libcurlu_la-easy.Plo \
+	./$(DEPDIR)/libcurlu_la-escape.Plo \
+	./$(DEPDIR)/libcurlu_la-file.Plo \
+	./$(DEPDIR)/libcurlu_la-fileinfo.Plo \
+	./$(DEPDIR)/libcurlu_la-formdata.Plo \
+	./$(DEPDIR)/libcurlu_la-ftp.Plo \
+	./$(DEPDIR)/libcurlu_la-ftplistparser.Plo \
+	./$(DEPDIR)/libcurlu_la-getenv.Plo \
+	./$(DEPDIR)/libcurlu_la-getinfo.Plo \
+	./$(DEPDIR)/libcurlu_la-gopher.Plo \
+	./$(DEPDIR)/libcurlu_la-hash.Plo \
+	./$(DEPDIR)/libcurlu_la-hmac.Plo \
+	./$(DEPDIR)/libcurlu_la-hostasyn.Plo \
+	./$(DEPDIR)/libcurlu_la-hostcheck.Plo \
+	./$(DEPDIR)/libcurlu_la-hostip.Plo \
+	./$(DEPDIR)/libcurlu_la-hostip4.Plo \
+	./$(DEPDIR)/libcurlu_la-hostip6.Plo \
+	./$(DEPDIR)/libcurlu_la-hostsyn.Plo \
+	./$(DEPDIR)/libcurlu_la-http.Plo \
+	./$(DEPDIR)/libcurlu_la-http2.Plo \
+	./$(DEPDIR)/libcurlu_la-http_chunks.Plo \
+	./$(DEPDIR)/libcurlu_la-http_digest.Plo \
+	./$(DEPDIR)/libcurlu_la-http_negotiate.Plo \
+	./$(DEPDIR)/libcurlu_la-http_ntlm.Plo \
+	./$(DEPDIR)/libcurlu_la-http_proxy.Plo \
+	./$(DEPDIR)/libcurlu_la-idn_win32.Plo \
+	./$(DEPDIR)/libcurlu_la-if2ip.Plo \
+	./$(DEPDIR)/libcurlu_la-imap.Plo \
+	./$(DEPDIR)/libcurlu_la-inet_ntop.Plo \
+	./$(DEPDIR)/libcurlu_la-inet_pton.Plo \
+	./$(DEPDIR)/libcurlu_la-krb5.Plo \
+	./$(DEPDIR)/libcurlu_la-ldap.Plo \
+	./$(DEPDIR)/libcurlu_la-llist.Plo \
+	./$(DEPDIR)/libcurlu_la-md4.Plo \
+	./$(DEPDIR)/libcurlu_la-md5.Plo \
+	./$(DEPDIR)/libcurlu_la-memdebug.Plo \
+	./$(DEPDIR)/libcurlu_la-mime.Plo \
+	./$(DEPDIR)/libcurlu_la-mprintf.Plo \
+	./$(DEPDIR)/libcurlu_la-multi.Plo \
+	./$(DEPDIR)/libcurlu_la-netrc.Plo \
+	./$(DEPDIR)/libcurlu_la-non-ascii.Plo \
+	./$(DEPDIR)/libcurlu_la-nonblock.Plo \
+	./$(DEPDIR)/libcurlu_la-openldap.Plo \
+	./$(DEPDIR)/libcurlu_la-parsedate.Plo \
+	./$(DEPDIR)/libcurlu_la-pingpong.Plo \
+	./$(DEPDIR)/libcurlu_la-pipeline.Plo \
+	./$(DEPDIR)/libcurlu_la-pop3.Plo \
+	./$(DEPDIR)/libcurlu_la-progress.Plo \
+	./$(DEPDIR)/libcurlu_la-psl.Plo \
+	./$(DEPDIR)/libcurlu_la-rand.Plo \
+	./$(DEPDIR)/libcurlu_la-rtsp.Plo \
+	./$(DEPDIR)/libcurlu_la-security.Plo \
+	./$(DEPDIR)/libcurlu_la-select.Plo \
+	./$(DEPDIR)/libcurlu_la-sendf.Plo \
+	./$(DEPDIR)/libcurlu_la-setopt.Plo \
+	./$(DEPDIR)/libcurlu_la-sha256.Plo \
+	./$(DEPDIR)/libcurlu_la-share.Plo \
+	./$(DEPDIR)/libcurlu_la-slist.Plo \
+	./$(DEPDIR)/libcurlu_la-smb.Plo \
+	./$(DEPDIR)/libcurlu_la-smtp.Plo \
+	./$(DEPDIR)/libcurlu_la-socks.Plo \
+	./$(DEPDIR)/libcurlu_la-socks_gssapi.Plo \
+	./$(DEPDIR)/libcurlu_la-socks_sspi.Plo \
+	./$(DEPDIR)/libcurlu_la-speedcheck.Plo \
+	./$(DEPDIR)/libcurlu_la-splay.Plo \
+	./$(DEPDIR)/libcurlu_la-ssh-libssh.Plo \
+	./$(DEPDIR)/libcurlu_la-ssh.Plo \
+	./$(DEPDIR)/libcurlu_la-strcase.Plo \
+	./$(DEPDIR)/libcurlu_la-strdup.Plo \
+	./$(DEPDIR)/libcurlu_la-strerror.Plo \
+	./$(DEPDIR)/libcurlu_la-strtok.Plo \
+	./$(DEPDIR)/libcurlu_la-strtoofft.Plo \
+	./$(DEPDIR)/libcurlu_la-system_win32.Plo \
+	./$(DEPDIR)/libcurlu_la-telnet.Plo \
+	./$(DEPDIR)/libcurlu_la-tftp.Plo \
+	./$(DEPDIR)/libcurlu_la-timeval.Plo \
+	./$(DEPDIR)/libcurlu_la-transfer.Plo \
+	./$(DEPDIR)/libcurlu_la-url.Plo \
+	./$(DEPDIR)/libcurlu_la-urlapi.Plo \
+	./$(DEPDIR)/libcurlu_la-version.Plo \
+	./$(DEPDIR)/libcurlu_la-warnless.Plo \
+	./$(DEPDIR)/libcurlu_la-wildcard.Plo \
+	./$(DEPDIR)/libcurlu_la-x509asn1.Plo \
+	vauth/$(DEPDIR)/libcurl_la-cleartext.Plo \
+	vauth/$(DEPDIR)/libcurl_la-cram.Plo \
+	vauth/$(DEPDIR)/libcurl_la-digest.Plo \
+	vauth/$(DEPDIR)/libcurl_la-digest_sspi.Plo \
+	vauth/$(DEPDIR)/libcurl_la-krb5_gssapi.Plo \
+	vauth/$(DEPDIR)/libcurl_la-krb5_sspi.Plo \
+	vauth/$(DEPDIR)/libcurl_la-ntlm.Plo \
+	vauth/$(DEPDIR)/libcurl_la-ntlm_sspi.Plo \
+	vauth/$(DEPDIR)/libcurl_la-oauth2.Plo \
+	vauth/$(DEPDIR)/libcurl_la-spnego_gssapi.Plo \
+	vauth/$(DEPDIR)/libcurl_la-spnego_sspi.Plo \
+	vauth/$(DEPDIR)/libcurl_la-vauth.Plo \
+	vauth/$(DEPDIR)/libcurlu_la-cleartext.Plo \
+	vauth/$(DEPDIR)/libcurlu_la-cram.Plo \
+	vauth/$(DEPDIR)/libcurlu_la-digest.Plo \
+	vauth/$(DEPDIR)/libcurlu_la-digest_sspi.Plo \
+	vauth/$(DEPDIR)/libcurlu_la-krb5_gssapi.Plo \
+	vauth/$(DEPDIR)/libcurlu_la-krb5_sspi.Plo \
+	vauth/$(DEPDIR)/libcurlu_la-ntlm.Plo \
+	vauth/$(DEPDIR)/libcurlu_la-ntlm_sspi.Plo \
+	vauth/$(DEPDIR)/libcurlu_la-oauth2.Plo \
+	vauth/$(DEPDIR)/libcurlu_la-spnego_gssapi.Plo \
+	vauth/$(DEPDIR)/libcurlu_la-spnego_sspi.Plo \
+	vauth/$(DEPDIR)/libcurlu_la-vauth.Plo \
+	vtls/$(DEPDIR)/libcurl_la-cyassl.Plo \
+	vtls/$(DEPDIR)/libcurl_la-darwinssl.Plo \
+	vtls/$(DEPDIR)/libcurl_la-gskit.Plo \
+	vtls/$(DEPDIR)/libcurl_la-gtls.Plo \
+	vtls/$(DEPDIR)/libcurl_la-mbedtls.Plo \
+	vtls/$(DEPDIR)/libcurl_la-mesalink.Plo \
+	vtls/$(DEPDIR)/libcurl_la-nss.Plo \
+	vtls/$(DEPDIR)/libcurl_la-openssl.Plo \
+	vtls/$(DEPDIR)/libcurl_la-polarssl.Plo \
+	vtls/$(DEPDIR)/libcurl_la-polarssl_threadlock.Plo \
+	vtls/$(DEPDIR)/libcurl_la-schannel.Plo \
+	vtls/$(DEPDIR)/libcurl_la-schannel_verify.Plo \
+	vtls/$(DEPDIR)/libcurl_la-vtls.Plo \
+	vtls/$(DEPDIR)/libcurlu_la-cyassl.Plo \
+	vtls/$(DEPDIR)/libcurlu_la-darwinssl.Plo \
+	vtls/$(DEPDIR)/libcurlu_la-gskit.Plo \
+	vtls/$(DEPDIR)/libcurlu_la-gtls.Plo \
+	vtls/$(DEPDIR)/libcurlu_la-mbedtls.Plo \
+	vtls/$(DEPDIR)/libcurlu_la-mesalink.Plo \
+	vtls/$(DEPDIR)/libcurlu_la-nss.Plo \
+	vtls/$(DEPDIR)/libcurlu_la-openssl.Plo \
+	vtls/$(DEPDIR)/libcurlu_la-polarssl.Plo \
+	vtls/$(DEPDIR)/libcurlu_la-polarssl_threadlock.Plo \
+	vtls/$(DEPDIR)/libcurlu_la-schannel.Plo \
+	vtls/$(DEPDIR)/libcurlu_la-schannel_verify.Plo \
+	vtls/$(DEPDIR)/libcurlu_la-vtls.Plo
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+	$(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_@AM_V@)
+am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
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+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
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+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
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+am__DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/Makefile.inc \
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+# This might hold -Werror
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+# Prevent LIBS from being used for all link targets
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+
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
+AUTOMAKE_OPTIONS = foreign nostdinc
+CMAKE_DIST = CMakeLists.txt curl_config.h.cmake
+EXTRA_DIST = Makefile.m32 config-win32.h                            \
+ config-win32ce.h config-riscos.h config-mac.h curl_config.h.in     \
+ makefile.dj config-dos.h libcurl.plist libcurl.rc config-amigaos.h \
+ makefile.amiga Makefile.netware nwlib.c nwos.c config-win32ce.h    \
+ config-os400.h setup-os400.h config-symbian.h Makefile.Watcom      \
+ config-tpf.h mk-ca-bundle.pl mk-ca-bundle.vbs $(CMAKE_DIST)        \
+ firefox-db2pem.sh config-vxworks.h Makefile.vxworks checksrc.pl
+
+lib_LTLIBRARIES = libcurl.la
+@BUILD_UNITTESTS_FALSE@noinst_LTLIBRARIES = 
+@BUILD_UNITTESTS_TRUE@noinst_LTLIBRARIES = libcurlu.la
+
+# Specify our include paths here, and do it relative to $(top_srcdir) and
+# $(top_builddir), to ensure that these paths which belong to the library
+# being currently built and tested are searched before the library which
+# might possibly already be installed in the system.
+#
+# $(top_srcdir)/include is for libcurl's external include files
+# $(top_builddir)/lib is for libcurl's generated lib/curl_config.h file
+# $(top_srcdir)/lib for libcurl's lib/curl_setup.h and other "private" files
+# $(top_builddir)/ares is for in-tree c-ares's generated ares_build.h file
+# $(top_srcdir)/ares is for in-tree c-ares's external include files
+# This flag accepts an argument of the form current[:revision[:age]]. So,
+# passing -version-info 3:12:1 sets current to 3, revision to 12, and age to
+# 1.
+#
+# Here's the simplified rule guide on how to change -version-info:
+# (current version is C:R:A)
+#
+# 1. if there are only source changes, use C:R+1:A
+# 2. if interfaces were added use C+1:0:A+1
+# 3. if interfaces were removed, then use C+1:0:0
+#
+# For the full guide on libcurl ABI rules, see docs/libcurl/ABI
+AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_builddir)/lib \
+	-I$(top_srcdir)/lib $(am__append_1) -DBUILDING_LIBCURL
+VERSIONINFO = -version-info 9:0:5
+AM_LDFLAGS = 
+AM_CFLAGS = 
+libcurl_la_CPPFLAGS_EXTRA = $(am__append_7) $(am__append_8)
+libcurl_la_LDFLAGS_EXTRA = $(am__append_2) $(am__append_3) \
+	$(am__append_4) $(am__append_5) $(am__append_6)
+libcurl_la_CFLAGS_EXTRA = $(am__append_9)
+libcurl_la_CPPFLAGS = $(AM_CPPFLAGS) $(libcurl_la_CPPFLAGS_EXTRA)
+libcurl_la_LDFLAGS = $(AM_LDFLAGS) $(libcurl_la_LDFLAGS_EXTRA) $(LDFLAGS) $(LIBCURL_LIBS)
+libcurl_la_CFLAGS = $(AM_CFLAGS) $(libcurl_la_CFLAGS_EXTRA)
+libcurlu_la_CPPFLAGS = $(AM_CPPFLAGS) -DCURL_STATICLIB -DUNITTESTS
+libcurlu_la_LDFLAGS = $(AM_LDFLAGS) -static $(LIBCURL_LIBS)
+libcurlu_la_CFLAGS = $(AM_CFLAGS)
+LIB_VAUTH_CFILES = vauth/vauth.c vauth/cleartext.c vauth/cram.c         \
+  vauth/digest.c vauth/digest_sspi.c vauth/krb5_gssapi.c                \
+  vauth/krb5_sspi.c vauth/ntlm.c vauth/ntlm_sspi.c vauth/oauth2.c       \
+  vauth/spnego_gssapi.c vauth/spnego_sspi.c
+
+LIB_VAUTH_HFILES = vauth/vauth.h vauth/digest.h vauth/ntlm.h
+LIB_VTLS_CFILES = vtls/openssl.c vtls/gtls.c vtls/vtls.c vtls/nss.c     \
+  vtls/polarssl.c vtls/polarssl_threadlock.c                            \
+  vtls/cyassl.c vtls/schannel.c vtls/schannel_verify.c                  \
+  vtls/darwinssl.c vtls/gskit.c vtls/mbedtls.c vtls/mesalink.c
+
+LIB_VTLS_HFILES = vtls/openssl.h vtls/vtls.h vtls/gtls.h                \
+  vtls/nssg.h vtls/polarssl.h vtls/polarssl_threadlock.h                \
+  vtls/cyassl.h vtls/schannel.h vtls/darwinssl.h vtls/gskit.h           \
+  vtls/mbedtls.h vtls/mesalink.h
+
+LIB_CFILES = file.c timeval.c base64.c hostip.c progress.c formdata.c   \
+  cookie.c http.c sendf.c ftp.c url.c dict.c if2ip.c speedcheck.c       \
+  ldap.c version.c getenv.c escape.c mprintf.c telnet.c netrc.c         \
+  getinfo.c transfer.c strcase.c easy.c security.c curl_fnmatch.c       \
+  fileinfo.c ftplistparser.c wildcard.c krb5.c memdebug.c http_chunks.c \
+  strtok.c connect.c llist.c hash.c multi.c content_encoding.c share.c  \
+  http_digest.c md4.c md5.c http_negotiate.c inet_pton.c strtoofft.c    \
+  strerror.c amigaos.c hostasyn.c hostip4.c hostip6.c hostsyn.c         \
+  inet_ntop.c parsedate.c select.c tftp.c splay.c strdup.c socks.c      \
+  ssh.c ssh-libssh.c curl_addrinfo.c socks_gssapi.c socks_sspi.c        \
+  curl_sspi.c slist.c nonblock.c curl_memrchr.c imap.c pop3.c smtp.c    \
+  pingpong.c rtsp.c curl_threads.c warnless.c hmac.c curl_rtmp.c        \
+  openldap.c curl_gethostname.c gopher.c idn_win32.c                    \
+  http_proxy.c non-ascii.c asyn-ares.c asyn-thread.c curl_gssapi.c      \
+  http_ntlm.c curl_ntlm_wb.c curl_ntlm_core.c curl_sasl.c rand.c        \
+  curl_multibyte.c hostcheck.c conncache.c pipeline.c dotdot.c          \
+  x509asn1.c http2.c smb.c curl_endian.c curl_des.c system_win32.c      \
+  mime.c sha256.c setopt.c curl_path.c curl_ctype.c curl_range.c psl.c  \
+  doh.c urlapi.c
+
+LIB_HFILES = arpa_telnet.h netrc.h file.h timeval.h hostip.h progress.h \
+  formdata.h cookie.h http.h sendf.h ftp.h url.h dict.h if2ip.h         \
+  speedcheck.h urldata.h curl_ldap.h escape.h telnet.h getinfo.h        \
+  strcase.h curl_sec.h memdebug.h http_chunks.h curl_fnmatch.h          \
+  wildcard.h fileinfo.h ftplistparser.h strtok.h connect.h llist.h      \
+  hash.h content_encoding.h share.h curl_md4.h curl_md5.h http_digest.h \
+  http_negotiate.h inet_pton.h amigaos.h strtoofft.h strerror.h         \
+  inet_ntop.h curlx.h curl_memory.h curl_setup.h transfer.h select.h    \
+  easyif.h multiif.h parsedate.h tftp.h sockaddr.h splay.h strdup.h     \
+  socks.h ssh.h curl_base64.h curl_addrinfo.h curl_sspi.h      \
+  slist.h nonblock.h curl_memrchr.h imap.h pop3.h smtp.h pingpong.h     \
+  rtsp.h curl_threads.h warnless.h curl_hmac.h curl_rtmp.h              \
+  curl_gethostname.h gopher.h http_proxy.h non-ascii.h asyn.h           \
+  http_ntlm.h curl_gssapi.h curl_ntlm_wb.h curl_ntlm_core.h             \
+  curl_sasl.h curl_multibyte.h hostcheck.h conncache.h                  \
+  curl_setup_once.h multihandle.h setup-vms.h pipeline.h dotdot.h       \
+  x509asn1.h http2.h sigpipe.h smb.h curl_endian.h curl_des.h           \
+  curl_printf.h system_win32.h rand.h mime.h curl_sha256.h setopt.h     \
+  curl_path.h curl_ctype.h curl_range.h psl.h doh.h urlapi-int.h
+
+LIB_RCFILES = libcurl.rc
+CSOURCES = $(LIB_CFILES) $(LIB_VAUTH_CFILES) $(LIB_VTLS_CFILES)
+HHEADERS = $(LIB_HFILES) $(LIB_VAUTH_HFILES) $(LIB_VTLS_HFILES)
+
+# Makefile.inc provides the CSOURCES and HHEADERS defines
+libcurl_la_SOURCES = $(CSOURCES) $(HHEADERS)
+libcurlu_la_SOURCES = $(CSOURCES) $(HHEADERS)
+
+# disable the tests that are mostly causing false positives
+TIDYFLAGS = -checks=-clang-analyzer-security.insecureAPI.strcpy,-clang-analyzer-optin.performance.Padding,-clang-analyzer-valist.Uninitialized,-clang-analyzer-core.NonNullParamChecker,-clang-analyzer-core.NullDereference -quiet
+TIDY := clang-tidy
+all: curl_config.h
+	$(MAKE) $(AM_MAKEFLAGS) all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(srcdir)/Makefile.inc $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign lib/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign lib/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+$(srcdir)/Makefile.inc $(am__empty):
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+curl_config.h: stamp-h1
+	@test -f $@ || rm -f stamp-h1
+	@test -f $@ || $(MAKE) $(AM_MAKEFLAGS) stamp-h1
+
+stamp-h1: $(srcdir)/curl_config.h.in $(top_builddir)/config.status
+	@rm -f stamp-h1
+	cd $(top_builddir) && $(SHELL) ./config.status lib/curl_config.h
+$(srcdir)/curl_config.h.in: @MAINTAINER_MODE_TRUE@ $(am__configure_deps) 
+	($(am__cd) $(top_srcdir) && $(AUTOHEADER))
+	rm -f stamp-h1
+	touch $@
+
+distclean-hdr:
+	-rm -f curl_config.h stamp-h1
+libcurl.vers: $(top_builddir)/config.status $(srcdir)/libcurl.vers.in
+	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
+
+install-libLTLIBRARIES: $(lib_LTLIBRARIES)
+	@$(NORMAL_INSTALL)
+	@list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \
+	list2=; for p in $$list; do \
+	  if test -f $$p; then \
+	    list2="$$list2 $$p"; \
+	  else :; fi; \
+	done; \
+	test -z "$$list2" || { \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(libdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(libdir)" || exit 1; \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 '$(DESTDIR)$(libdir)'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 "$(DESTDIR)$(libdir)"; \
+	}
+
+uninstall-libLTLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	@list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \
+	for p in $$list; do \
+	  $(am__strip_dir) \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(libdir)/$$f'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(libdir)/$$f"; \
+	done
+
+clean-libLTLIBRARIES:
+	-test -z "$(lib_LTLIBRARIES)" || rm -f $(lib_LTLIBRARIES)
+	@list='$(lib_LTLIBRARIES)'; \
+	locs=`for p in $$list; do echo $$p; done | \
+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
+	      sort -u`; \
+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
+	}
+
+clean-noinstLTLIBRARIES:
+	-test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES)
+	@list='$(noinst_LTLIBRARIES)'; \
+	locs=`for p in $$list; do echo $$p; done | \
+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
+	      sort -u`; \
+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
+	}
+vauth/$(am__dirstamp):
+	@$(MKDIR_P) vauth
+	@: > vauth/$(am__dirstamp)
+vauth/$(DEPDIR)/$(am__dirstamp):
+	@$(MKDIR_P) vauth/$(DEPDIR)
+	@: > vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurl_la-vauth.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurl_la-cleartext.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurl_la-cram.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurl_la-digest.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurl_la-digest_sspi.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurl_la-krb5_gssapi.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurl_la-krb5_sspi.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurl_la-ntlm.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurl_la-ntlm_sspi.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurl_la-oauth2.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurl_la-spnego_gssapi.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurl_la-spnego_sspi.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vtls/$(am__dirstamp):
+	@$(MKDIR_P) vtls
+	@: > vtls/$(am__dirstamp)
+vtls/$(DEPDIR)/$(am__dirstamp):
+	@$(MKDIR_P) vtls/$(DEPDIR)
+	@: > vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurl_la-openssl.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurl_la-gtls.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurl_la-vtls.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurl_la-nss.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurl_la-polarssl.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurl_la-polarssl_threadlock.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurl_la-cyassl.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurl_la-schannel.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurl_la-schannel_verify.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurl_la-darwinssl.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurl_la-gskit.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurl_la-mbedtls.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurl_la-mesalink.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+
+libcurl.la: $(libcurl_la_OBJECTS) $(libcurl_la_DEPENDENCIES) $(EXTRA_libcurl_la_DEPENDENCIES) 
+	$(AM_V_CCLD)$(libcurl_la_LINK) -rpath $(libdir) $(libcurl_la_OBJECTS) $(libcurl_la_LIBADD) $(LIBS)
+vauth/libcurlu_la-vauth.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurlu_la-cleartext.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurlu_la-cram.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurlu_la-digest.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurlu_la-digest_sspi.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurlu_la-krb5_gssapi.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurlu_la-krb5_sspi.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurlu_la-ntlm.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurlu_la-ntlm_sspi.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurlu_la-oauth2.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurlu_la-spnego_gssapi.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vauth/libcurlu_la-spnego_sspi.lo: vauth/$(am__dirstamp) \
+	vauth/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurlu_la-openssl.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurlu_la-gtls.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurlu_la-vtls.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurlu_la-nss.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurlu_la-polarssl.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurlu_la-polarssl_threadlock.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurlu_la-cyassl.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurlu_la-schannel.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurlu_la-schannel_verify.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurlu_la-darwinssl.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurlu_la-gskit.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurlu_la-mbedtls.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+vtls/libcurlu_la-mesalink.lo: vtls/$(am__dirstamp) \
+	vtls/$(DEPDIR)/$(am__dirstamp)
+
+libcurlu.la: $(libcurlu_la_OBJECTS) $(libcurlu_la_DEPENDENCIES) $(EXTRA_libcurlu_la_DEPENDENCIES) 
+	$(AM_V_CCLD)$(libcurlu_la_LINK) $(am_libcurlu_la_rpath) $(libcurlu_la_OBJECTS) $(libcurlu_la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+	-rm -f vauth/*.$(OBJEXT)
+	-rm -f vauth/*.lo
+	-rm -f vtls/*.$(OBJEXT)
+	-rm -f vtls/*.lo
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-amigaos.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-asyn-ares.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-asyn-thread.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-base64.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-conncache.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-connect.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-content_encoding.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-cookie.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-curl_addrinfo.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-curl_ctype.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-curl_des.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-curl_endian.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-curl_fnmatch.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-curl_gethostname.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-curl_gssapi.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-curl_memrchr.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-curl_multibyte.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-curl_ntlm_core.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-curl_ntlm_wb.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcurl_la-curl_path.Plo@am__quote@ # am--include-marker
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+vtls/libcurl_la-openssl.lo: vtls/openssl.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libcurl_la_CPPFLAGS) $(CPPFLAGS) $(libcurl_la_CFLAGS) $(CFLAGS) -MT vtls/libcurl_la-openssl.lo -MD -MP -MF vtls/$(DEPDIR)/libcurl_la-openssl.Tpo -c -o vtls/libcurl_la-openssl.lo `test -f 'vtls/openssl.c' || echo '$(srcdir)/'`vtls/openssl.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) vtls/$(DEPDIR)/libcurl_la-openssl.Tpo vtls/$(DEPDIR)/libcurl_la-openssl.Plo
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+
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+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) vtls/$(DEPDIR)/libcurl_la-gtls.Tpo vtls/$(DEPDIR)/libcurl_la-gtls.Plo
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+
+vtls/libcurl_la-vtls.lo: vtls/vtls.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libcurl_la_CPPFLAGS) $(CPPFLAGS) $(libcurl_la_CFLAGS) $(CFLAGS) -MT vtls/libcurl_la-vtls.lo -MD -MP -MF vtls/$(DEPDIR)/libcurl_la-vtls.Tpo -c -o vtls/libcurl_la-vtls.lo `test -f 'vtls/vtls.c' || echo '$(srcdir)/'`vtls/vtls.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) vtls/$(DEPDIR)/libcurl_la-vtls.Tpo vtls/$(DEPDIR)/libcurl_la-vtls.Plo
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+
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+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libcurl_la_CPPFLAGS) $(CPPFLAGS) $(libcurl_la_CFLAGS) $(CFLAGS) -MT vtls/libcurl_la-nss.lo -MD -MP -MF vtls/$(DEPDIR)/libcurl_la-nss.Tpo -c -o vtls/libcurl_la-nss.lo `test -f 'vtls/nss.c' || echo '$(srcdir)/'`vtls/nss.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) vtls/$(DEPDIR)/libcurl_la-nss.Tpo vtls/$(DEPDIR)/libcurl_la-nss.Plo
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+
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+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) vtls/$(DEPDIR)/libcurl_la-polarssl.Tpo vtls/$(DEPDIR)/libcurl_la-polarssl.Plo
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+vtls/libcurl_la-polarssl_threadlock.lo: vtls/polarssl_threadlock.c
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+
+vtls/libcurl_la-cyassl.lo: vtls/cyassl.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libcurl_la_CPPFLAGS) $(CPPFLAGS) $(libcurl_la_CFLAGS) $(CFLAGS) -MT vtls/libcurl_la-cyassl.lo -MD -MP -MF vtls/$(DEPDIR)/libcurl_la-cyassl.Tpo -c -o vtls/libcurl_la-cyassl.lo `test -f 'vtls/cyassl.c' || echo '$(srcdir)/'`vtls/cyassl.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) vtls/$(DEPDIR)/libcurl_la-cyassl.Tpo vtls/$(DEPDIR)/libcurl_la-cyassl.Plo
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+
+vtls/libcurl_la-schannel.lo: vtls/schannel.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libcurl_la_CPPFLAGS) $(CPPFLAGS) $(libcurl_la_CFLAGS) $(CFLAGS) -MT vtls/libcurl_la-schannel.lo -MD -MP -MF vtls/$(DEPDIR)/libcurl_la-schannel.Tpo -c -o vtls/libcurl_la-schannel.lo `test -f 'vtls/schannel.c' || echo '$(srcdir)/'`vtls/schannel.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) vtls/$(DEPDIR)/libcurl_la-schannel.Tpo vtls/$(DEPDIR)/libcurl_la-schannel.Plo
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+
+vtls/libcurl_la-schannel_verify.lo: vtls/schannel_verify.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libcurl_la_CPPFLAGS) $(CPPFLAGS) $(libcurl_la_CFLAGS) $(CFLAGS) -MT vtls/libcurl_la-schannel_verify.lo -MD -MP -MF vtls/$(DEPDIR)/libcurl_la-schannel_verify.Tpo -c -o vtls/libcurl_la-schannel_verify.lo `test -f 'vtls/schannel_verify.c' || echo '$(srcdir)/'`vtls/schannel_verify.c
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+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='vtls/schannel_verify.c' object='vtls/libcurl_la-schannel_verify.lo' libtool=yes @AMDEPBACKSLASH@
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+
+vtls/libcurl_la-darwinssl.lo: vtls/darwinssl.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libcurl_la_CPPFLAGS) $(CPPFLAGS) $(libcurl_la_CFLAGS) $(CFLAGS) -MT vtls/libcurl_la-darwinssl.lo -MD -MP -MF vtls/$(DEPDIR)/libcurl_la-darwinssl.Tpo -c -o vtls/libcurl_la-darwinssl.lo `test -f 'vtls/darwinssl.c' || echo '$(srcdir)/'`vtls/darwinssl.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) vtls/$(DEPDIR)/libcurl_la-darwinssl.Tpo vtls/$(DEPDIR)/libcurl_la-darwinssl.Plo
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+
+vtls/libcurl_la-gskit.lo: vtls/gskit.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libcurl_la_CPPFLAGS) $(CPPFLAGS) $(libcurl_la_CFLAGS) $(CFLAGS) -MT vtls/libcurl_la-gskit.lo -MD -MP -MF vtls/$(DEPDIR)/libcurl_la-gskit.Tpo -c -o vtls/libcurl_la-gskit.lo `test -f 'vtls/gskit.c' || echo '$(srcdir)/'`vtls/gskit.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) vtls/$(DEPDIR)/libcurl_la-gskit.Tpo vtls/$(DEPDIR)/libcurl_la-gskit.Plo
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+
+vtls/libcurl_la-mbedtls.lo: vtls/mbedtls.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libcurl_la_CPPFLAGS) $(CPPFLAGS) $(libcurl_la_CFLAGS) $(CFLAGS) -MT vtls/libcurl_la-mbedtls.lo -MD -MP -MF vtls/$(DEPDIR)/libcurl_la-mbedtls.Tpo -c -o vtls/libcurl_la-mbedtls.lo `test -f 'vtls/mbedtls.c' || echo '$(srcdir)/'`vtls/mbedtls.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) vtls/$(DEPDIR)/libcurl_la-mbedtls.Tpo vtls/$(DEPDIR)/libcurl_la-mbedtls.Plo
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+
+vtls/libcurl_la-mesalink.lo: vtls/mesalink.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libcurl_la_CPPFLAGS) $(CPPFLAGS) $(libcurl_la_CFLAGS) $(CFLAGS) -MT vtls/libcurl_la-mesalink.lo -MD -MP -MF vtls/$(DEPDIR)/libcurl_la-mesalink.Tpo -c -o vtls/libcurl_la-mesalink.lo `test -f 'vtls/mesalink.c' || echo '$(srcdir)/'`vtls/mesalink.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) vtls/$(DEPDIR)/libcurl_la-mesalink.Tpo vtls/$(DEPDIR)/libcurl_la-mesalink.Plo
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+
+libcurlu_la-file.lo: file.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libcurlu_la_CPPFLAGS) $(CPPFLAGS) $(libcurlu_la_CFLAGS) $(CFLAGS) -MT libcurlu_la-file.lo -MD -MP -MF $(DEPDIR)/libcurlu_la-file.Tpo -c -o libcurlu_la-file.lo `test -f 'file.c' || echo '$(srcdir)/'`file.c
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+	-rm -f ./$(DEPDIR)/libcurl_la-socks_gssapi.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-socks_sspi.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-speedcheck.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-splay.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-ssh-libssh.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-ssh.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-strcase.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-strdup.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-strerror.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-strtok.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-strtoofft.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-system_win32.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-telnet.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-tftp.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-timeval.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-transfer.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-url.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-urlapi.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-version.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-warnless.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-wildcard.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-x509asn1.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-amigaos.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-asyn-ares.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-asyn-thread.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-base64.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-conncache.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-connect.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-content_encoding.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-cookie.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_addrinfo.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_ctype.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_des.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_endian.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_fnmatch.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_gethostname.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_gssapi.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_memrchr.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_multibyte.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_ntlm_core.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_ntlm_wb.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_path.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_range.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_rtmp.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_sasl.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_sspi.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_threads.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-dict.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-doh.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-dotdot.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-easy.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-escape.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-file.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-fileinfo.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-formdata.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-ftp.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-ftplistparser.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-getenv.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-getinfo.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-gopher.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-hash.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-hmac.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-hostasyn.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-hostcheck.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-hostip.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-hostip4.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-hostip6.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-hostsyn.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-http.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-http2.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-http_chunks.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-http_digest.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-http_negotiate.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-http_ntlm.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-http_proxy.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-idn_win32.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-if2ip.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-imap.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-inet_ntop.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-inet_pton.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-krb5.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-ldap.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-llist.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-md4.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-md5.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-memdebug.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-mime.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-mprintf.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-multi.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-netrc.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-non-ascii.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-nonblock.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-openldap.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-parsedate.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-pingpong.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-pipeline.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-pop3.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-progress.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-psl.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-rand.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-rtsp.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-security.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-select.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-sendf.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-setopt.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-sha256.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-share.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-slist.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-smb.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-smtp.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-socks.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-socks_gssapi.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-socks_sspi.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-speedcheck.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-splay.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-ssh-libssh.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-ssh.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-strcase.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-strdup.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-strerror.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-strtok.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-strtoofft.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-system_win32.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-telnet.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-tftp.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-timeval.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-transfer.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-url.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-urlapi.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-version.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-warnless.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-wildcard.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-x509asn1.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-cleartext.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-cram.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-digest.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-digest_sspi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-krb5_gssapi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-krb5_sspi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-ntlm.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-ntlm_sspi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-oauth2.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-spnego_gssapi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-spnego_sspi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-vauth.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-cleartext.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-cram.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-digest.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-digest_sspi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-krb5_gssapi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-krb5_sspi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-ntlm.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-ntlm_sspi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-oauth2.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-spnego_gssapi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-spnego_sspi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-vauth.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-cyassl.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-darwinssl.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-gskit.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-gtls.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-mbedtls.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-mesalink.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-nss.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-openssl.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-polarssl.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-polarssl_threadlock.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-schannel.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-schannel_verify.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-vtls.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-cyassl.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-darwinssl.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-gskit.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-gtls.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-mbedtls.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-mesalink.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-nss.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-openssl.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-polarssl.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-polarssl_threadlock.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-schannel.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-schannel_verify.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-vtls.Plo
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-hdr distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-libLTLIBRARIES
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/libcurl_la-amigaos.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-asyn-ares.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-asyn-thread.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-base64.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-conncache.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-connect.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-content_encoding.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-cookie.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-curl_addrinfo.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-curl_ctype.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-curl_des.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-curl_endian.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-curl_fnmatch.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-curl_gethostname.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-curl_gssapi.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-curl_memrchr.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-curl_multibyte.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-curl_ntlm_core.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-curl_ntlm_wb.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-curl_path.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-curl_range.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-curl_rtmp.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-curl_sasl.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-curl_sspi.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-curl_threads.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-dict.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-doh.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-dotdot.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-easy.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-escape.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-file.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-fileinfo.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-formdata.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-ftp.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-ftplistparser.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-getenv.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-getinfo.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-gopher.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-hash.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-hmac.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-hostasyn.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-hostcheck.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-hostip.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-hostip4.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-hostip6.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-hostsyn.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-http.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-http2.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-http_chunks.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-http_digest.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-http_negotiate.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-http_ntlm.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-http_proxy.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-idn_win32.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-if2ip.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-imap.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-inet_ntop.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-inet_pton.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-krb5.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-ldap.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-llist.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-md4.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-md5.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-memdebug.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-mime.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-mprintf.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-multi.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-netrc.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-non-ascii.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-nonblock.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-openldap.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-parsedate.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-pingpong.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-pipeline.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-pop3.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-progress.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-psl.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-rand.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-rtsp.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-security.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-select.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-sendf.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-setopt.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-sha256.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-share.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-slist.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-smb.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-smtp.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-socks.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-socks_gssapi.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-socks_sspi.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-speedcheck.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-splay.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-ssh-libssh.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-ssh.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-strcase.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-strdup.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-strerror.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-strtok.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-strtoofft.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-system_win32.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-telnet.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-tftp.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-timeval.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-transfer.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-url.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-urlapi.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-version.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-warnless.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-wildcard.Plo
+	-rm -f ./$(DEPDIR)/libcurl_la-x509asn1.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-amigaos.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-asyn-ares.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-asyn-thread.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-base64.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-conncache.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-connect.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-content_encoding.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-cookie.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_addrinfo.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_ctype.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_des.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_endian.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_fnmatch.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_gethostname.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_gssapi.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_memrchr.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_multibyte.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_ntlm_core.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_ntlm_wb.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_path.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_range.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_rtmp.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_sasl.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_sspi.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-curl_threads.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-dict.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-doh.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-dotdot.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-easy.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-escape.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-file.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-fileinfo.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-formdata.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-ftp.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-ftplistparser.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-getenv.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-getinfo.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-gopher.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-hash.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-hmac.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-hostasyn.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-hostcheck.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-hostip.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-hostip4.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-hostip6.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-hostsyn.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-http.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-http2.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-http_chunks.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-http_digest.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-http_negotiate.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-http_ntlm.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-http_proxy.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-idn_win32.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-if2ip.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-imap.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-inet_ntop.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-inet_pton.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-krb5.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-ldap.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-llist.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-md4.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-md5.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-memdebug.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-mime.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-mprintf.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-multi.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-netrc.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-non-ascii.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-nonblock.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-openldap.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-parsedate.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-pingpong.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-pipeline.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-pop3.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-progress.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-psl.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-rand.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-rtsp.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-security.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-select.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-sendf.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-setopt.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-sha256.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-share.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-slist.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-smb.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-smtp.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-socks.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-socks_gssapi.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-socks_sspi.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-speedcheck.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-splay.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-ssh-libssh.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-ssh.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-strcase.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-strdup.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-strerror.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-strtok.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-strtoofft.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-system_win32.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-telnet.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-tftp.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-timeval.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-transfer.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-url.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-urlapi.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-version.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-warnless.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-wildcard.Plo
+	-rm -f ./$(DEPDIR)/libcurlu_la-x509asn1.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-cleartext.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-cram.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-digest.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-digest_sspi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-krb5_gssapi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-krb5_sspi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-ntlm.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-ntlm_sspi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-oauth2.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-spnego_gssapi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-spnego_sspi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurl_la-vauth.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-cleartext.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-cram.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-digest.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-digest_sspi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-krb5_gssapi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-krb5_sspi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-ntlm.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-ntlm_sspi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-oauth2.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-spnego_gssapi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-spnego_sspi.Plo
+	-rm -f vauth/$(DEPDIR)/libcurlu_la-vauth.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-cyassl.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-darwinssl.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-gskit.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-gtls.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-mbedtls.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-mesalink.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-nss.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-openssl.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-polarssl.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-polarssl_threadlock.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-schannel.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-schannel_verify.Plo
+	-rm -f vtls/$(DEPDIR)/libcurl_la-vtls.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-cyassl.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-darwinssl.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-gskit.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-gtls.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-mbedtls.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-mesalink.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-nss.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-openssl.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-polarssl.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-polarssl_threadlock.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-schannel.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-schannel_verify.Plo
+	-rm -f vtls/$(DEPDIR)/libcurlu_la-vtls.Plo
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-libLTLIBRARIES
+
+.MAKE: all install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am all-local am--depfiles check \
+	check-am clean clean-generic clean-libLTLIBRARIES \
+	clean-libtool clean-noinstLTLIBRARIES cscopelist-am ctags \
+	ctags-am distclean distclean-compile distclean-generic \
+	distclean-hdr distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-libLTLIBRARIES \
+	install-man install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am uninstall-libLTLIBRARIES
+
+.PRECIOUS: Makefile
+
+
+checksrc:
+	@PERL@ $(srcdir)/checksrc.pl -D$(srcdir) -W$(srcdir)/curl_config.h      \
+	$(srcdir)/*.[ch] $(srcdir)/vauth/*.[ch] $(srcdir)/vtls/*.[ch]
+
+# for debug builds, we scan the sources on all regular make invokes
+@CURLDEBUG_TRUE@all-local: checksrc
+
+tidy:
+	$(TIDY) $(CSOURCES) $(TIDYFLAGS) -- $(AM_CPPFLAGS) $(CPPFLAGS) -DHAVE_CONFIG_H
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
Index: trunk/src/libs/curl-7.64.0/lib/Makefile.inc
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/Makefile.inc	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/Makefile.inc	(revision 85671)
@@ -0,0 +1,83 @@
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
+
+LIB_VAUTH_CFILES = vauth/vauth.c vauth/cleartext.c vauth/cram.c         \
+  vauth/digest.c vauth/digest_sspi.c vauth/krb5_gssapi.c                \
+  vauth/krb5_sspi.c vauth/ntlm.c vauth/ntlm_sspi.c vauth/oauth2.c       \
+  vauth/spnego_gssapi.c vauth/spnego_sspi.c
+
+LIB_VAUTH_HFILES = vauth/vauth.h vauth/digest.h vauth/ntlm.h
+
+LIB_VTLS_CFILES = vtls/openssl.c vtls/gtls.c vtls/vtls.c vtls/nss.c     \
+  vtls/polarssl.c vtls/polarssl_threadlock.c                            \
+  vtls/cyassl.c vtls/schannel.c vtls/schannel_verify.c                  \
+  vtls/darwinssl.c vtls/gskit.c vtls/mbedtls.c vtls/mesalink.c
+
+LIB_VTLS_HFILES = vtls/openssl.h vtls/vtls.h vtls/gtls.h                \
+  vtls/nssg.h vtls/polarssl.h vtls/polarssl_threadlock.h                \
+  vtls/cyassl.h vtls/schannel.h vtls/darwinssl.h vtls/gskit.h           \
+  vtls/mbedtls.h vtls/mesalink.h
+
+LIB_CFILES = file.c timeval.c base64.c hostip.c progress.c formdata.c   \
+  cookie.c http.c sendf.c ftp.c url.c dict.c if2ip.c speedcheck.c       \
+  ldap.c version.c getenv.c escape.c mprintf.c telnet.c netrc.c         \
+  getinfo.c transfer.c strcase.c easy.c security.c curl_fnmatch.c       \
+  fileinfo.c ftplistparser.c wildcard.c krb5.c memdebug.c http_chunks.c \
+  strtok.c connect.c llist.c hash.c multi.c content_encoding.c share.c  \
+  http_digest.c md4.c md5.c http_negotiate.c inet_pton.c strtoofft.c    \
+  strerror.c amigaos.c hostasyn.c hostip4.c hostip6.c hostsyn.c         \
+  inet_ntop.c parsedate.c select.c tftp.c splay.c strdup.c socks.c      \
+  ssh.c ssh-libssh.c curl_addrinfo.c socks_gssapi.c socks_sspi.c        \
+  curl_sspi.c slist.c nonblock.c curl_memrchr.c imap.c pop3.c smtp.c    \
+  pingpong.c rtsp.c curl_threads.c warnless.c hmac.c curl_rtmp.c        \
+  openldap.c curl_gethostname.c gopher.c idn_win32.c                    \
+  http_proxy.c non-ascii.c asyn-ares.c asyn-thread.c curl_gssapi.c      \
+  http_ntlm.c curl_ntlm_wb.c curl_ntlm_core.c curl_sasl.c rand.c        \
+  curl_multibyte.c hostcheck.c conncache.c pipeline.c dotdot.c          \
+  x509asn1.c http2.c smb.c curl_endian.c curl_des.c system_win32.c      \
+  mime.c sha256.c setopt.c curl_path.c curl_ctype.c curl_range.c psl.c  \
+  doh.c urlapi.c
+
+LIB_HFILES = arpa_telnet.h netrc.h file.h timeval.h hostip.h progress.h \
+  formdata.h cookie.h http.h sendf.h ftp.h url.h dict.h if2ip.h         \
+  speedcheck.h urldata.h curl_ldap.h escape.h telnet.h getinfo.h        \
+  strcase.h curl_sec.h memdebug.h http_chunks.h curl_fnmatch.h          \
+  wildcard.h fileinfo.h ftplistparser.h strtok.h connect.h llist.h      \
+  hash.h content_encoding.h share.h curl_md4.h curl_md5.h http_digest.h \
+  http_negotiate.h inet_pton.h amigaos.h strtoofft.h strerror.h         \
+  inet_ntop.h curlx.h curl_memory.h curl_setup.h transfer.h select.h    \
+  easyif.h multiif.h parsedate.h tftp.h sockaddr.h splay.h strdup.h     \
+  socks.h ssh.h curl_base64.h curl_addrinfo.h curl_sspi.h      \
+  slist.h nonblock.h curl_memrchr.h imap.h pop3.h smtp.h pingpong.h     \
+  rtsp.h curl_threads.h warnless.h curl_hmac.h curl_rtmp.h              \
+  curl_gethostname.h gopher.h http_proxy.h non-ascii.h asyn.h           \
+  http_ntlm.h curl_gssapi.h curl_ntlm_wb.h curl_ntlm_core.h             \
+  curl_sasl.h curl_multibyte.h hostcheck.h conncache.h                  \
+  curl_setup_once.h multihandle.h setup-vms.h pipeline.h dotdot.h       \
+  x509asn1.h http2.h sigpipe.h smb.h curl_endian.h curl_des.h           \
+  curl_printf.h system_win32.h rand.h mime.h curl_sha256.h setopt.h     \
+  curl_path.h curl_ctype.h curl_range.h psl.h doh.h urlapi-int.h
+
+LIB_RCFILES = libcurl.rc
+
+CSOURCES = $(LIB_CFILES) $(LIB_VAUTH_CFILES) $(LIB_VTLS_CFILES)
+HHEADERS = $(LIB_HFILES) $(LIB_VAUTH_HFILES) $(LIB_VTLS_HFILES)
Index: trunk/src/libs/curl-7.64.0/lib/Makefile.m32
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/Makefile.m32	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/Makefile.m32	(revision 85671)
@@ -0,0 +1,387 @@
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 1999 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+#***************************************************************************
+
+###########################################################################
+#
+## Makefile for building libcurl.a with MingW (GCC-3.2 or later or LLVM/Clang)
+## and optionally OpenSSL (1.0.2a), libssh2 (1.5), zlib (1.2.8), librtmp (2.4),
+## brotli (1.0.1)
+##
+## Usage:   mingw32-make -f Makefile.m32 CFG=-feature1[-feature2][-feature3][...]
+## Example: mingw32-make -f Makefile.m32 CFG=-zlib-ssl-sspi-winidn
+##
+## Hint: you can also set environment vars to control the build, f.e.:
+## set ZLIB_PATH=c:/zlib-1.2.8
+## set ZLIB=1
+#
+###########################################################################
+
+# Edit the path below to point to the base of your Zlib sources.
+ifndef ZLIB_PATH
+ZLIB_PATH = ../../zlib-1.2.8
+endif
+# Edit the path below to point to the base of your Brotli sources.
+ifndef BROTLI_PATH
+BROTLI_PATH = ../../brotli-1.0.1
+endif
+# Edit the path below to point to the base of your OpenSSL package.
+ifndef OPENSSL_PATH
+OPENSSL_PATH = ../../openssl-1.0.2a
+endif
+# Edit the path below to point to the base of your LibSSH2 package.
+ifndef LIBSSH2_PATH
+LIBSSH2_PATH = ../../libssh2-1.5.0
+endif
+# Edit the path below to point to the base of your librtmp package.
+ifndef LIBRTMP_PATH
+LIBRTMP_PATH = ../../librtmp-2.4
+endif
+# Edit the path below to point to the base of your libidn2 package.
+ifndef LIBIDN2_PATH
+LIBIDN2_PATH = ../../libidn2-2.0.3
+endif
+# Edit the path below to point to the base of your MS IDN package.
+# Microsoft Internationalized Domain Names (IDN) Mitigation APIs 1.1
+# https://www.microsoft.com/en-us/download/details.aspx?id=734
+ifndef WINIDN_PATH
+WINIDN_PATH = ../../Microsoft IDN Mitigation APIs
+endif
+# Edit the path below to point to the base of your Novell LDAP NDK.
+ifndef LDAP_SDK
+LDAP_SDK = c:/novell/ndk/cldapsdk/win32
+endif
+# Edit the path below to point to the base of your nghttp2 package.
+ifndef NGHTTP2_PATH
+NGHTTP2_PATH = ../../nghttp2-1.0.0
+endif
+
+PROOT = ..
+
+# Edit the path below to point to the base of your c-ares package.
+ifndef LIBCARES_PATH
+LIBCARES_PATH = $(PROOT)/ares
+endif
+
+ifeq ($(CURL_CC),)
+CURL_CC := $(CROSSPREFIX)gcc
+endif
+ifeq ($(CURL_AR),)
+CURL_AR := $(CROSSPREFIX)ar
+endif
+ifeq ($(CURL_RANLIB),)
+CURL_RANLIB := $(CROSSPREFIX)ranlib
+endif
+
+CC = $(CURL_CC)
+CFLAGS = $(CURL_CFLAG_EXTRAS) -g -O2 -Wall -W
+CFLAGS += -fno-strict-aliasing
+# comment LDFLAGS below to keep debug info
+LDFLAGS = $(CURL_LDFLAG_EXTRAS) $(CURL_LDFLAG_EXTRAS_DLL) -s
+AR = $(CURL_AR)
+RANLIB = $(CURL_RANLIB)
+RC = $(CROSSPREFIX)windres
+RCFLAGS = --include-dir=$(PROOT)/include -DDEBUGBUILD=0 -O COFF
+STRIP   = $(CROSSPREFIX)strip -g
+
+# Set environment var ARCH to your architecture to override autodetection.
+ifndef ARCH
+ifeq ($(findstring x86_64,$(shell $(CC) -dumpmachine)),x86_64)
+ARCH = w64
+else
+ARCH = w32
+endif
+endif
+
+ifeq ($(ARCH),w64)
+CFLAGS  += -m64 -D_AMD64_
+LDFLAGS += -m64
+RCFLAGS += -F pe-x86-64
+else
+CFLAGS  += -m32
+LDFLAGS += -m32
+RCFLAGS += -F pe-i386
+endif
+
+# Platform-dependent helper tool macros
+ifeq ($(findstring /sh,$(SHELL)),/sh)
+DEL     = rm -f $1
+RMDIR   = rm -fr $1
+MKDIR   = mkdir -p $1
+COPY    = -cp -afv $1 $2
+#COPYR  = -cp -afr $1/* $2
+COPYR   = -rsync -aC $1/* $2
+TOUCH   = touch $1
+CAT     = cat
+ECHONL  = echo ""
+DL = '
+else
+ifeq "$(OS)" "Windows_NT"
+DEL     = -del 2>NUL /q /f $(subst /,\,$1)
+RMDIR   = -rd 2>NUL /q /s $(subst /,\,$1)
+else
+DEL     = -del 2>NUL $(subst /,\,$1)
+RMDIR   = -deltree 2>NUL /y $(subst /,\,$1)
+endif
+MKDIR   = -md 2>NUL $(subst /,\,$1)
+COPY    = -copy 2>NUL /y $(subst /,\,$1) $(subst /,\,$2)
+COPYR   = -xcopy 2>NUL /q /y /e $(subst /,\,$1) $(subst /,\,$2)
+TOUCH   = copy 2>&1>NUL /b $(subst /,\,$1) +,,
+CAT     = type
+ECHONL  = $(ComSpec) /c echo.
+endif
+
+########################################################
+## Nothing more to do below this line!
+
+ifeq ($(findstring -dyn,$(CFG)),-dyn)
+DYN = 1
+endif
+ifeq ($(findstring -ares,$(CFG)),-ares)
+ARES = 1
+endif
+ifeq ($(findstring -sync,$(CFG)),-sync)
+SYNC = 1
+endif
+ifeq ($(findstring -rtmp,$(CFG)),-rtmp)
+RTMP = 1
+SSL = 1
+ZLIB = 1
+endif
+ifeq ($(findstring -ssh2,$(CFG)),-ssh2)
+SSH2 = 1
+SSL = 1
+ZLIB = 1
+endif
+ifeq ($(findstring -ssl,$(CFG)),-ssl)
+SSL = 1
+endif
+ifeq ($(findstring -srp,$(CFG)),-srp)
+SRP = 1
+endif
+ifeq ($(findstring -zlib,$(CFG)),-zlib)
+ZLIB = 1
+endif
+ifeq ($(findstring -brotli,$(CFG)),-brotli)
+BROTLI = 1
+endif
+ifeq ($(findstring -idn2,$(CFG)),-idn2)
+IDN2 = 1
+endif
+ifeq ($(findstring -winidn,$(CFG)),-winidn)
+WINIDN = 1
+endif
+ifeq ($(findstring -sspi,$(CFG)),-sspi)
+SSPI = 1
+endif
+ifeq ($(findstring -ldaps,$(CFG)),-ldaps)
+LDAPS = 1
+endif
+ifeq ($(findstring -ipv6,$(CFG)),-ipv6)
+IPV6 = 1
+endif
+ifeq ($(findstring -winssl,$(CFG)),-winssl)
+WINSSL = 1
+SSPI = 1
+endif
+ifeq ($(findstring -nghttp2,$(CFG)),-nghttp2)
+NGHTTP2 = 1
+endif
+
+INCLUDES = -I. -I../include
+CFLAGS += -DBUILDING_LIBCURL
+ifdef SSL
+  ifdef WINSSL
+    CFLAGS += -DCURL_WITH_MULTI_SSL
+  endif
+endif
+
+ifdef SYNC
+  CFLAGS += -DUSE_SYNC_DNS
+else
+  ifdef ARES
+    INCLUDES += -I"$(LIBCARES_PATH)"
+    CFLAGS += -DUSE_ARES -DCARES_STATICLIB
+    DLL_LIBS += -L"$(LIBCARES_PATH)" -lcares
+    libcurl_dll_DEPENDENCIES = $(LIBCARES_PATH)/libcares.a
+  endif
+endif
+ifdef RTMP
+  INCLUDES += -I"$(LIBRTMP_PATH)"
+  CFLAGS += -DUSE_LIBRTMP
+  DLL_LIBS += -L"$(LIBRTMP_PATH)/librtmp" -lrtmp -lwinmm
+endif
+ifdef NGHTTP2
+  INCLUDES += -I"$(NGHTTP2_PATH)/include"
+  CFLAGS += -DUSE_NGHTTP2
+  DLL_LIBS += -L"$(NGHTTP2_PATH)/lib" -lnghttp2
+endif
+ifdef SSH2
+  INCLUDES += -I"$(LIBSSH2_PATH)/include" -I"$(LIBSSH2_PATH)/win32"
+  CFLAGS += -DUSE_LIBSSH2 -DHAVE_LIBSSH2_H
+  DLL_LIBS += -L"$(LIBSSH2_PATH)/win32" -lssh2
+  ifdef WINSSL
+    ifndef DYN
+      DLL_LIBS += -lbcrypt -lcrypt32
+    endif
+  endif
+endif
+ifdef SSL
+  ifndef OPENSSL_INCLUDE
+    ifeq "$(wildcard $(OPENSSL_PATH)/outinc)" "$(OPENSSL_PATH)/outinc"
+      OPENSSL_INCLUDE = $(OPENSSL_PATH)/outinc
+    endif
+    ifeq "$(wildcard $(OPENSSL_PATH)/include)" "$(OPENSSL_PATH)/include"
+      OPENSSL_INCLUDE = $(OPENSSL_PATH)/include
+    endif
+  endif
+  ifneq "$(wildcard $(OPENSSL_INCLUDE)/openssl/opensslv.h)" "$(OPENSSL_INCLUDE)/openssl/opensslv.h"
+  $(error Invalid path to OpenSSL package: $(OPENSSL_PATH))
+  endif
+  ifndef OPENSSL_LIBPATH
+    ifeq "$(wildcard $(OPENSSL_PATH)/out)" "$(OPENSSL_PATH)/out"
+      OPENSSL_LIBPATH = $(OPENSSL_PATH)/out
+      OPENSSL_LIBS = -leay32 -lssl32
+    endif
+    ifeq "$(wildcard $(OPENSSL_PATH)/lib)" "$(OPENSSL_PATH)/lib"
+      OPENSSL_LIBPATH = $(OPENSSL_PATH)/lib
+      OPENSSL_LIBS = -lcrypto -lssl
+    endif
+  endif
+  ifndef DYN
+    OPENSSL_LIBS += -lgdi32 -lcrypt32
+  endif
+  INCLUDES += -I"$(OPENSSL_INCLUDE)"
+  CFLAGS += -DUSE_OPENSSL -DHAVE_OPENSSL_ENGINE_H -DHAVE_OPENSSL_PKCS12_H \
+            -DHAVE_ENGINE_LOAD_BUILTIN_ENGINES -DOPENSSL_NO_KRB5
+  DLL_LIBS += -L"$(OPENSSL_LIBPATH)" $(OPENSSL_LIBS)
+  ifdef SRP
+    ifeq "$(wildcard $(OPENSSL_INCLUDE)/openssl/srp.h)" "$(OPENSSL_INCLUDE)/openssl/srp.h"
+      CFLAGS += -DHAVE_OPENSSL_SRP -DUSE_TLS_SRP
+    endif
+  endif
+endif
+ifdef WINSSL
+  CFLAGS += -DUSE_SCHANNEL
+  DLL_LIBS += -lcrypt32
+endif
+ifdef ZLIB
+  INCLUDES += -I"$(ZLIB_PATH)"
+  CFLAGS += -DHAVE_LIBZ -DHAVE_ZLIB_H
+  DLL_LIBS += -L"$(ZLIB_PATH)" -lz
+endif
+ifdef BROTLI
+  INCLUDES += -I"$(BROTLI_PATH)/include"
+  CFLAGS += -DHAVE_BROTLI
+  DLL_LIBS += -L"$(BROTLI_PATH)/lib"
+  ifdef BROTLI_LIBS
+    DLL_LIBS += $(BROTLI_LIBS)
+  else
+    DLL_LIBS += -lbrotlidec
+  endif
+endif
+ifdef IDN2
+  INCLUDES += -I"$(LIBIDN2_PATH)/include"
+  CFLAGS += -DUSE_LIBIDN2
+  DLL_LIBS += -L"$(LIBIDN2_PATH)/lib" -lidn2
+else
+ifdef WINIDN
+  CFLAGS += -DUSE_WIN32_IDN
+  CFLAGS += -DWANT_IDN_PROTOTYPES
+  DLL_LIBS += -L"$(WINIDN_PATH)" -lnormaliz
+endif
+endif
+ifdef SSPI
+  CFLAGS += -DUSE_WINDOWS_SSPI
+endif
+ifdef SPNEGO
+  CFLAGS += -DHAVE_SPNEGO
+endif
+ifdef IPV6
+  CFLAGS += -DENABLE_IPV6 -D_WIN32_WINNT=0x0501
+endif
+ifdef LDAPS
+  CFLAGS += -DHAVE_LDAP_SSL
+endif
+ifdef USE_LDAP_NOVELL
+  INCLUDES += -I"$(LDAP_SDK)/inc"
+  CFLAGS += -DCURL_HAS_NOVELL_LDAPSDK
+  DLL_LIBS += -L"$(LDAP_SDK)/lib/mscvc" -lldapsdk -lldapssl -lldapx
+endif
+ifdef USE_LDAP_OPENLDAP
+  INCLUDES += -I"$(LDAP_SDK)/include"
+  CFLAGS += -DCURL_HAS_OPENLDAP_LDAPSDK
+  DLL_LIBS += -L"$(LDAP_SDK)/lib" -lldap -llber
+endif
+ifndef USE_LDAP_NOVELL
+ifndef USE_LDAP_OPENLDAP
+  DLL_LIBS += -lwldap32
+endif
+endif
+DLL_LIBS += -lws2_32
+
+# Makefile.inc provides the CSOURCES and HHEADERS defines
+include Makefile.inc
+
+ifeq ($(CURL_DLL_A_SUFFIX),)
+CURL_DLL_A_SUFFIX := dll
+endif
+
+libcurl_dll_LIBRARY = libcurl$(CURL_DLL_SUFFIX).dll
+libcurl_dll_a_LIBRARY = libcurl$(CURL_DLL_A_SUFFIX).a
+libcurl_a_LIBRARY = libcurl.a
+
+libcurl_a_OBJECTS := $(patsubst %.c,%.o,$(strip $(CSOURCES)))
+libcurl_a_DEPENDENCIES := $(strip $(CSOURCES) $(HHEADERS))
+
+RESOURCE = libcurl.res
+
+
+all: $(libcurl_a_LIBRARY) $(libcurl_dll_LIBRARY)
+
+$(libcurl_a_LIBRARY): $(libcurl_a_OBJECTS) $(libcurl_a_DEPENDENCIES)
+	@$(call DEL, $@)
+	$(AR) cru $@ $(libcurl_a_OBJECTS)
+	$(RANLIB) $@
+	$(STRIP) $@
+
+# remove the last line above to keep debug info
+
+$(libcurl_dll_LIBRARY): $(libcurl_a_OBJECTS) $(RESOURCE) $(libcurl_dll_DEPENDENCIES)
+	@$(call DEL, $@)
+	$(CC) $(LDFLAGS) -shared -o $@ \
+	  -Wl,--output-def,$(@:.dll=.def),--out-implib,$(libcurl_dll_a_LIBRARY) \
+	  $(libcurl_a_OBJECTS) $(RESOURCE) $(DLL_LIBS)
+
+%.o: %.c
+	$(CC) $(INCLUDES) $(CFLAGS) -c $< -o $@
+
+%.res: %.rc
+	$(RC) $(RCFLAGS) -i $< -o $@
+
+clean:
+	@$(call DEL, $(libcurl_a_OBJECTS) $(RESOURCE))
+
+distclean vclean: clean
+	@$(call DEL, $(libcurl_a_LIBRARY) $(libcurl_dll_LIBRARY) $(libcurl_dll_LIBRARY:.dll=.def) $(libcurl_dll_a_LIBRARY))
+
+$(LIBCARES_PATH)/libcares.a:
+	$(MAKE) -C $(LIBCARES_PATH) -f Makefile.m32
Index: trunk/src/libs/curl-7.64.0/lib/Makefile.netware
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/Makefile.netware	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/Makefile.netware	(revision 85671)
@@ -0,0 +1,734 @@
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 2004 - 2015, Guenter Knauf
+# Copyright (C) 2001 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+#***************************************************************************
+
+#################################################################
+#
+## Makefile for building libcurl.nlm (NetWare version - gnu make)
+##
+## Use: make -f Makefile.netware
+#
+#################################################################
+
+# Edit the path below to point to the base of your Novell NDK.
+ifndef NDKBASE
+NDKBASE = c:/novell
+endif
+
+# Edit the path below to point to the base of your Zlib sources.
+ifndef ZLIB_PATH
+ZLIB_PATH = ../../zlib-1.2.8
+endif
+
+# Edit the path below to point to the base of your OpenSSL package.
+ifndef OPENSSL_PATH
+OPENSSL_PATH = ../../openssl-1.0.2a
+endif
+
+# Edit the path below to point to the base of your LibSSH2 package.
+ifndef LIBSSH2_PATH
+LIBSSH2_PATH = ../../libssh2-1.5.0
+endif
+
+# Edit the path below to point to the base of your libidn package.
+ifndef LIBIDN_PATH
+LIBIDN_PATH = ../../libidn-1.18
+endif
+
+# Edit the path below to point to the base of your librtmp package.
+ifndef LIBRTMP_PATH
+LIBRTMP_PATH = ../../librtmp-2.3
+endif
+
+# Edit the path below to point to the base of your nghttp2 package.
+ifndef NGHTTP2_PATH
+NGHTTP2_PATH = ../../nghttp2-0.6.7
+endif
+
+# Edit the path below to point to the base of your fbopenssl package.
+ifndef FBOPENSSL_PATH
+FBOPENSSL_PATH = ../../fbopenssl-0.4
+endif
+
+# Edit the path below to point to the base of your c-ares package.
+ifndef LIBCARES_PATH
+LIBCARES_PATH = ../ares
+endif
+
+ifndef INSTDIR
+INSTDIR = ..$(DS)curl-$(LIBCURL_VERSION_STR)-bin-nw
+endif
+
+# Edit the vars below to change NLM target settings.
+TARGET  = libcurl
+VERSION = $(LIBCURL_VERSION)
+COPYR   = Copyright (C) $(LIBCURL_COPYRIGHT_STR)
+DESCR   = curl libcurl $(LIBCURL_VERSION_STR) ($(LIBARCH)) - https://curl.haxx.se
+MTSAFE  = YES
+STACK   = 64000
+SCREEN  = none
+EXPORTF = $(TARGET).imp
+EXPORTS = @$(EXPORTF)
+
+# Uncomment the next line to enable linking with POSIX semantics.
+# POSIXFL = 1
+
+# Edit the var below to point to your lib architecture.
+ifndef LIBARCH
+LIBARCH = LIBC
+endif
+
+# must be equal to NDEBUG or DEBUG, CURLDEBUG
+ifndef DB
+DB = NDEBUG
+endif
+# Optimization: -O<n> or debugging: -g
+ifeq ($(DB),NDEBUG)
+  OPT = -O2
+  OBJDIR = release
+else
+  OPT = -g
+  OBJDIR = debug
+endif
+
+# The following lines defines your compiler.
+ifdef CWFolder
+  METROWERKS = $(CWFolder)
+endif
+ifdef METROWERKS
+  # MWCW_PATH = $(subst \,/,$(METROWERKS))/Novell Support
+  MWCW_PATH = $(subst \,/,$(METROWERKS))/Novell Support/Metrowerks Support
+  CC = mwccnlm
+else
+  CC = gcc
+endif
+PERL = perl
+# Here you can find a native Win32 binary of the original awk:
+# http://www.gknw.net/development/prgtools/awk-20100523.zip
+AWK = awk
+CP  = cp -afv
+MKDIR = mkdir
+# RM = rm -f
+# If you want to mark the target as MTSAFE you will need a tool for
+# generating the xdc data for the linker; here's a minimal tool:
+# http://www.gknw.net/development/prgtools/mkxdc.zip
+MPKXDC = mkxdc
+
+# LIBARCH_U = $(shell $(AWK) 'BEGIN {print toupper(ARGV[1])}' $(LIBARCH))
+LIBARCH_L = $(shell $(AWK) 'BEGIN {print tolower(ARGV[1])}' $(LIBARCH))
+
+# Include the version info retrieved from curlver.h
+-include $(OBJDIR)/version.inc
+
+# Global flags for all compilers
+CFLAGS += $(OPT) -D$(DB) -DNETWARE -DHAVE_CONFIG_H -nostdinc
+
+ifeq ($(CC),mwccnlm)
+  LD = mwldnlm
+  LDFLAGS = -nostdlib $(PRELUDE) $(OBJL) -o $@ -commandfile
+  AR = mwldnlm
+  ARFLAGS = -nostdlib -type library -o
+  LIBEXT  = lib
+  #RANLIB =
+  CFLAGS  += -msgstyle gcc -gccinc -inline off -opt nointrinsics -proc 586
+  CFLAGS  += -relax_pointers
+  #CFLAGS += -w on
+  ifeq ($(LIBARCH),LIBC)
+    ifeq ($(POSIXFL),1)
+      PRELUDE = $(NDK_LIBC)/imports/posixpre.o
+    else
+      PRELUDE = $(NDK_LIBC)/imports/libcpre.o
+    endif
+    CFLAGS += -align 4
+  else
+    # PRELUDE = $(NDK_CLIB)/imports/clibpre.o
+    # to avoid the __init_* / __deinit_* woes don't use prelude from NDK
+    PRELUDE = "$(MWCW_PATH)/libraries/runtime/prelude.obj"
+    # CFLAGS += -include "$(MWCW_PATH)/headers/nlm_clib_prefix.h"
+    CFLAGS += -align 1
+  endif
+else
+  LD = nlmconv
+  LDFLAGS = -T
+  AR = ar
+  ARFLAGS = -cq
+  LIBEXT  = a
+  RANLIB  = ranlib
+  CFLAGS  += -m32
+  CFLAGS  += -fno-builtin -fno-strict-aliasing
+  ifeq ($(findstring gcc,$(CC)),gcc)
+    CFLAGS  += -fpcc-struct-return
+  endif
+  CFLAGS  += -Wall # -pedantic
+  ifeq ($(LIBARCH),LIBC)
+    ifeq ($(POSIXFL),1)
+      PRELUDE = $(NDK_LIBC)/imports/posixpre.gcc.o
+    else
+      PRELUDE = $(NDK_LIBC)/imports/libcpre.gcc.o
+    endif
+  else
+    PRELUDE = $(NDK_CLIB)/imports/clibpre.gcc.o
+    # to avoid the __init_* / __deinit_* woes don't use prelude from NDK
+    # http://www.gknw.net/development/mk_nlm/gcc_pre.zip
+    # PRELUDE = $(NDK_ROOT)/pre/prelude.o
+    CFLAGS += -include $(NDKBASE)/nlmconv/genlm.h
+ endif
+endif
+
+NDK_ROOT = $(NDKBASE)/ndk
+ifndef NDK_CLIB
+NDK_CLIB = $(NDK_ROOT)/nwsdk
+endif
+ifndef NDK_LIBC
+NDK_LIBC = $(NDK_ROOT)/libc
+endif
+ifndef NDK_LDAP
+NDK_LDAP = $(NDK_ROOT)/cldapsdk/netware
+endif
+CURL_INC = ../include
+CURL_LIB = ../lib
+
+INCLUDES = -I$(CURL_INC) -I$(CURL_LIB)
+
+ifeq ($(findstring -static,$(CFG)),-static)
+LINK_STATIC = 1
+endif
+ifeq ($(findstring -ares,$(CFG)),-ares)
+WITH_ARES = 1
+endif
+ifeq ($(findstring -rtmp,$(CFG)),-rtmp)
+WITH_RTMP = 1
+WITH_SSL = 1
+WITH_ZLIB = 1
+endif
+ifeq ($(findstring -ssh2,$(CFG)),-ssh2)
+WITH_SSH2 = 1
+WITH_SSL = 1
+WITH_ZLIB = 1
+endif
+ifeq ($(findstring -ssl,$(CFG)),-ssl)
+WITH_SSL = 1
+ifeq ($(findstring -srp,$(CFG)),-srp)
+ifeq "$(wildcard $(OPENSSL_PATH)/outinc_nw_$(LIBARCH_L)/openssl/srp.h)" "$(OPENSSL_PATH)/outinc_nw_$(LIBARCH_L)/openssl/srp.h"
+WITH_SRP = 1
+endif
+endif
+endif
+ifeq ($(findstring -zlib,$(CFG)),-zlib)
+WITH_ZLIB = 1
+endif
+ifeq ($(findstring -idn,$(CFG)),-idn)
+WITH_IDN = 1
+endif
+ifeq ($(findstring -nghttp2,$(CFG)),-nghttp2)
+WITH_NGHTTP2 = 1
+endif
+ifeq ($(findstring -ipv6,$(CFG)),-ipv6)
+ENABLE_IPV6 = 1
+endif
+
+ifdef WITH_ARES
+  INCLUDES += -I$(LIBCARES_PATH)
+  LDLIBS += $(LIBCARES_PATH)/libcares.$(LIBEXT)
+endif
+ifdef WITH_SSH2
+  INCLUDES += -I$(LIBSSH2_PATH)/include
+ifdef LINK_STATIC
+  LDLIBS += $(LIBSSH2_PATH)/nw/libssh2.$(LIBEXT)
+else
+  MODULES += libssh2.nlm
+  IMPORTS += @$(LIBSSH2_PATH)/nw/libssh2.imp
+endif
+endif
+ifdef WITH_RTMP
+  INCLUDES += -I$(LIBRTMP_PATH)
+  LDLIBS += $(LIBRTMP_PATH)/librtmp/librtmp.$(LIBEXT)
+endif
+ifdef WITH_SSL
+  INCLUDES += -I$(OPENSSL_PATH)/outinc_nw_$(LIBARCH_L)
+  LDLIBS += $(OPENSSL_PATH)/out_nw_$(LIBARCH_L)/ssl.$(LIBEXT)
+  LDLIBS += $(OPENSSL_PATH)/out_nw_$(LIBARCH_L)/crypto.$(LIBEXT)
+  IMPORTS += GetProcessSwitchCount RunningProcess
+  INSTDEP += ca-bundle.crt
+else
+endif
+ifdef WITH_ZLIB
+  INCLUDES += -I$(ZLIB_PATH)
+  ifdef LINK_STATIC
+    LDLIBS += $(ZLIB_PATH)/nw/$(LIBARCH)/libz.$(LIBEXT)
+  else
+    MODULES += libz.nlm
+    IMPORTS += @$(ZLIB_PATH)/nw/$(LIBARCH)/libz.imp
+  endif
+endif
+ifdef WITH_IDN
+  INCLUDES += -I$(LIBIDN_PATH)/include
+  LDLIBS += $(LIBIDN_PATH)/lib/libidn.$(LIBEXT)
+endif
+ifdef WITH_NGHTTP2
+  INCLUDES += -I$(NGHTTP2_PATH)/include
+  LDLIBS += $(NGHTTP2_PATH)/lib/libnghttp2.$(LIBEXT)
+endif
+
+ifeq ($(LIBARCH),LIBC)
+  INCLUDES += -I$(NDK_LIBC)/include
+  # INCLUDES += -I$(NDK_LIBC)/include/nks
+  # INCLUDES += -I$(NDK_LIBC)/include/winsock
+  CFLAGS += -D_POSIX_SOURCE
+else
+  INCLUDES += -I$(NDK_CLIB)/include/nlm
+  # INCLUDES += -I$(NDK_CLIB)/include/nlm/obsolete
+  # INCLUDES += -I$(NDK_CLIB)/include
+endif
+ifndef DISABLE_LDAP
+  INCLUDES += -I$(NDK_LDAP)/$(LIBARCH_L)/inc
+endif
+CFLAGS += $(INCLUDES)
+
+ifeq ($(MTSAFE),YES)
+  XDCOPT = -n
+endif
+ifeq ($(MTSAFE),NO)
+  XDCOPT = -u
+endif
+ifdef XDCOPT
+  XDCDATA = $(OBJDIR)/$(TARGET).xdc
+endif
+
+ifeq ($(findstring /sh,$(SHELL)),/sh)
+DL  = '
+DS  = /
+PCT = %
+#-include $(NDKBASE)/nlmconv/ncpfs.inc
+else
+DS  = \\
+PCT = %%
+endif
+
+# Makefile.inc provides the CSOURCES and HHEADERS defines
+include Makefile.inc
+
+OBJS := $(patsubst %.c,$(OBJDIR)/%.o,$(strip $(notdir $(CSOURCES)))) $(OBJDIR)/nwos.o
+
+OBJL = $(OBJS) $(OBJDIR)/nwlib.o $(LDLIBS)
+
+vpath %.c . vauth vtls
+
+all: lib nlm
+
+nlm: prebuild $(TARGET).nlm
+
+lib: prebuild $(TARGET).$(LIBEXT)
+
+prebuild: $(OBJDIR) $(OBJDIR)/version.inc curl_config.h
+
+$(OBJDIR)/%.o: %.c
+#	@echo Compiling $<
+	$(CC) $(CFLAGS) -c $< -o $@
+
+$(OBJDIR)/version.inc: $(CURL_INC)/curl/curlver.h $(OBJDIR)
+	@echo Creating $@
+	@$(AWK) -f ../packages/NetWare/get_ver.awk $< > $@
+
+install: $(INSTDIR) all $(INSTDEP)
+	@$(CP) $(TARGET).nlm $(INSTDIR)
+	@$(CP) $(TARGET).$(LIBEXT) $(INSTDIR)
+	@$(CP) ../CHANGES $(INSTDIR)
+	@$(CP) ../COPYING $(INSTDIR)
+	@$(CP) ../README $(INSTDIR)
+	@$(CP) ../RELEASE-NOTES $(INSTDIR)
+ifdef WITH_SSL
+	@-$(CP) ca-bundle.crt $(INSTDIR)/ca-bundle.crt
+endif
+
+clean:
+	-$(RM) curl_config.h
+	-$(RM) -r $(OBJDIR)
+
+distclean vclean: clean
+	-$(RM) $(TARGET).$(LIBEXT) $(TARGET).nlm $(TARGET).imp
+	-$(RM) certdata.txt ca-bundle.crt
+
+$(OBJDIR) $(INSTDIR):
+	@$(MKDIR) $@
+
+$(TARGET).$(LIBEXT): $(OBJS)
+	@echo Creating $@
+	@-$(RM) $@
+	@$(AR) $(ARFLAGS) $@ $^
+ifdef RANLIB
+	@$(RANLIB) $@
+endif
+
+$(TARGET).nlm: $(OBJDIR)/$(TARGET).def $(OBJL) $(EXPORTF) $(XDCDATA)
+	@echo Linking $@
+	@-$(RM) $@
+	@$(LD) $(LDFLAGS) $<
+
+$(OBJDIR)/%.xdc: Makefile.netware
+	@echo Creating $@
+	@$(MPKXDC) $(XDCOPT) $@
+
+$(OBJDIR)/%.def: Makefile.netware
+	@echo $(DL)# DEF file for linking with $(LD)$(DL) > $@
+	@echo $(DL)# Do not edit this file - it is created by make!$(DL) >> $@
+	@echo $(DL)# All your changes will be lost!!$(DL) >> $@
+	@echo $(DL)#$(DL) >> $@
+	@echo $(DL)copyright "$(COPYR)"$(DL) >> $@
+	@echo $(DL)description "$(DESCR)"$(DL) >> $@
+	@echo $(DL)version $(VERSION)$(DL) >> $@
+ifdef NLMTYPE
+	@echo $(DL)type $(NLMTYPE)$(DL) >> $@
+endif
+ifdef STACK
+	@echo $(DL)stack $(STACK)$(DL) >> $@
+endif
+ifdef SCREEN
+	@echo $(DL)screenname "$(SCREEN)"$(DL) >> $@
+else
+	@echo $(DL)screenname "DEFAULT"$(DL) >> $@
+endif
+ifneq ($(DB),NDEBUG)
+	@echo $(DL)debug$(DL) >> $@
+endif
+	@echo $(DL)threadname "$(TARGET)"$(DL) >> $@
+ifdef XDCDATA
+	@echo $(DL)xdcdata $(XDCDATA)$(DL) >> $@
+endif
+	@echo $(DL)flag_on 64$(DL) >> $@
+ifeq ($(LIBARCH),CLIB)
+	@echo $(DL)start _Prelude$(DL) >> $@
+	@echo $(DL)exit _Stop$(DL) >> $@
+	@echo $(DL)import @$(NDK_CLIB)/imports/clib.imp$(DL) >> $@
+	@echo $(DL)import @$(NDK_CLIB)/imports/threads.imp$(DL) >> $@
+	@echo $(DL)import @$(NDK_CLIB)/imports/nlmlib.imp$(DL) >> $@
+	@echo $(DL)import @$(NDK_CLIB)/imports/socklib.imp$(DL) >> $@
+	@echo $(DL)module clib$(DL) >> $@
+ifndef DISABLE_LDAP
+	@echo $(DL)import @$(NDK_LDAP)/clib/imports/ldapsdk.imp$(DL) >> $@
+	@echo $(DL)import @$(NDK_LDAP)/clib/imports/ldapssl.imp$(DL) >> $@
+#	@echo $(DL)import @$(NDK_LDAP)/clib/imports/ldapx.imp$(DL) >> $@
+	@echo $(DL)module ldapsdk ldapssl$(DL) >> $@
+endif
+else
+ifeq ($(POSIXFL),1)
+	@echo $(DL)flag_on 4194304$(DL) >> $@
+endif
+	@echo $(DL)pseudopreemption$(DL) >> $@
+ifeq ($(findstring posixpre,$(PRELUDE)),posixpre)
+	@echo $(DL)start POSIX_Start$(DL) >> $@
+	@echo $(DL)exit POSIX_Stop$(DL) >> $@
+	@echo $(DL)check POSIX_CheckUnload$(DL) >> $@
+else
+	@echo $(DL)start _LibCPrelude$(DL) >> $@
+	@echo $(DL)exit _LibCPostlude$(DL) >> $@
+	@echo $(DL)check _LibCCheckUnload$(DL) >> $@
+endif
+	@echo $(DL)import @$(NDK_LIBC)/imports/libc.imp$(DL) >> $@
+	@echo $(DL)import @$(NDK_LIBC)/imports/netware.imp$(DL) >> $@
+	@echo $(DL)module libc$(DL) >> $@
+ifndef DISABLE_LDAP
+	@echo $(DL)import @$(NDK_LDAP)/libc/imports/lldapsdk.imp$(DL) >> $@
+	@echo $(DL)import @$(NDK_LDAP)/libc/imports/lldapssl.imp$(DL) >> $@
+#	@echo $(DL)import @$(NDK_LDAP)/libc/imports/lldapx.imp$(DL) >> $@
+	@echo $(DL)module lldapsdk lldapssl$(DL) >> $@
+endif
+endif
+ifdef MODULES
+	@echo $(DL)module $(MODULES)$(DL) >> $@
+endif
+ifdef EXPORTS
+	@echo $(DL)export $(EXPORTS)$(DL) >> $@
+endif
+ifdef IMPORTS
+	@echo $(DL)import $(IMPORTS)$(DL) >> $@
+endif
+ifeq ($(findstring nlmconv,$(LD)),nlmconv)
+	@echo $(DL)input $(PRELUDE)$(DL) >> $@
+	@echo $(DL)input $(OBJL)$(DL) >> $@
+#ifdef LDLIBS
+#	@echo $(DL)input $(LDLIBS)$(DL) >> $@
+#endif
+	@echo $(DL)output $(TARGET).nlm$(DL) >> $@
+endif
+
+curl_config.h: Makefile.netware
+	@echo Creating $@
+	@echo $(DL)/* $@ for NetWare target.$(DL) > $@
+	@echo $(DL)** Do not edit this file - it is created by make!$(DL) >> $@
+	@echo $(DL)** All your changes will be lost!!$(DL) >> $@
+	@echo $(DL)*/$(DL) >> $@
+	@echo $(DL)#ifndef NETWARE$(DL) >> $@
+	@echo $(DL)#error This $(notdir $@) is created for NetWare platform!$(DL) >> $@
+	@echo $(DL)#endif$(DL) >> $@
+	@echo $(DL)#define VERSION "$(LIBCURL_VERSION_STR)"$(DL) >> $@
+	@echo $(DL)#define PACKAGE_BUGREPORT "a suitable curl mailing list => https://curl.haxx.se/mail/"$(DL) >> $@
+ifeq ($(LIBARCH),CLIB)
+	@echo $(DL)#define OS "i586-pc-clib-NetWare"$(DL) >> $@
+	@echo $(DL)#define NETDB_USE_INTERNET 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRICMP 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRNICMP 1$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_ARG1 int$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_ARG2 char *$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_ARG3 int$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_ARG4 int$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_RETV int$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG1 int$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG2 char$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG3 int$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG4 int$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG5 struct sockaddr$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG6 int$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_RETV int$(DL) >> $@
+	@echo $(DL)#define SEND_QUAL_ARG2$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_ARG1 int$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_ARG2 char *$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_ARG3 int$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_ARG4 int$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_RETV int$(DL) >> $@
+	@echo $(DL)#define SIZEOF_SIZE_T 4$(DL) >> $@
+	@echo $(DL)#define pressanykey PressAnyKeyToContinue$(DL) >> $@
+else
+	@echo $(DL)#define OS "i586-pc-libc-NetWare"$(DL) >> $@
+	@echo $(DL)#define HAVE_FTRUNCATE 1$(DL) >> $@
+	@echo $(DL)#define HAVE_GETTIMEOFDAY 1$(DL) >> $@
+	@echo $(DL)#define HAVE_INTTYPES_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_LONGLONG 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STDINT_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRCASECMP 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRLCAT 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRLCPY 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRTOLL 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SYS_PARAM_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SYS_SELECT_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_TERMIOS_H 1$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_ARG1 int$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_ARG2 void *$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_ARG3 size_t$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_ARG4 int$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_RETV ssize_t$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG1 int$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG2 void$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG3 size_t$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG4 int$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG5 struct sockaddr$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG6 size_t$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_RETV ssize_t$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG2_IS_VOID 1$(DL) >> $@
+	@echo $(DL)#define SEND_QUAL_ARG2$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_ARG1 int$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_ARG2 void *$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_ARG3 size_t$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_ARG4 int$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_RETV ssize_t$(DL) >> $@
+	@echo $(DL)#define SIZEOF_OFF_T 8$(DL) >> $@
+	@echo $(DL)#define SIZEOF_SIZE_T 8$(DL) >> $@
+	@echo $(DL)#define _LARGEFILE 1$(DL) >> $@
+ifdef ENABLE_IPV6
+	@echo $(DL)#define ENABLE_IPV6 1$(DL) >> $@
+	@echo $(DL)#define HAVE_AF_INET6 1$(DL) >> $@
+	@echo $(DL)#define HAVE_PF_INET6 1$(DL) >> $@
+	@echo $(DL)#define HAVE_FREEADDRINFO 1$(DL) >> $@
+	@echo $(DL)#define HAVE_GETADDRINFO 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRUCT_ADDRINFO 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRUCT_IN6_ADDR 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRUCT_SOCKADDR_IN6 1$(DL) >> $@
+	@echo $(DL)#define SIZEOF_STRUCT_IN6_ADDR 16$(DL) >> $@
+endif
+endif
+	@echo $(DL)#define USE_MANUAL 1$(DL) >> $@
+	@echo $(DL)#define HAVE_ARPA_INET_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_ASSERT_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_ERRNO_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_ERR_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_FCNTL_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_GETHOSTBYADDR 1$(DL) >> $@
+	@echo $(DL)#define HAVE_GETHOSTBYNAME 1$(DL) >> $@
+	@echo $(DL)#define HAVE_GETPROTOBYNAME 1$(DL) >> $@
+	@echo $(DL)#define HAVE_GMTIME_R 1$(DL) >> $@
+	@echo $(DL)#define HAVE_INET_ADDR 1$(DL) >> $@
+	@echo $(DL)#define HAVE_IOCTL 1$(DL) >> $@
+	@echo $(DL)#define HAVE_IOCTL_FIONBIO 1$(DL) >> $@
+	@echo $(DL)#define HAVE_LL 1$(DL) >> $@
+	@echo $(DL)#define HAVE_LOCALE_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_LOCALTIME_R 1$(DL) >> $@
+	@echo $(DL)#define HAVE_MALLOC_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_NETINET_IN_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_RECV 1$(DL) >> $@
+	@echo $(DL)#define HAVE_RECVFROM 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SELECT 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SEND 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SETJMP_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SETLOCALE 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SIGNAL 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SIGNAL_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SIG_ATOMIC_T 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SOCKET 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STDLIB_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRDUP 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRFTIME 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRING_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRSTR 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRUCT_TIMEVAL 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SYS_IOCTL_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SYS_STAT_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SYS_TIME_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_TIME_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_UNAME 1$(DL) >> $@
+	@echo $(DL)#define HAVE_UNISTD_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_UTIME 1$(DL) >> $@
+	@echo $(DL)#define HAVE_UTIME_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_WRITEV 1$(DL) >> $@
+	@echo $(DL)#define RETSIGTYPE void$(DL) >> $@
+	@echo $(DL)#define SIZEOF_INT 4$(DL) >> $@
+	@echo $(DL)#define SIZEOF_SHORT 2$(DL) >> $@
+	@echo $(DL)#define SIZEOF_STRUCT_IN_ADDR 4$(DL) >> $@
+	@echo $(DL)#define STDC_HEADERS 1$(DL) >> $@
+	@echo $(DL)#define TIME_WITH_SYS_TIME 1$(DL) >> $@
+ifdef DISABLE_LDAP
+	@echo $(DL)#define CURL_DISABLE_LDAP 1$(DL) >> $@
+else
+	@echo $(DL)#define CURL_HAS_NOVELL_LDAPSDK 1$(DL) >> $@
+ifndef DISABLE_LDAPS
+	@echo $(DL)#define HAVE_LDAP_SSL 1$(DL) >> $@
+endif
+	@echo $(DL)#define HAVE_LDAP_SSL_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_LDAP_URL_PARSE 1$(DL) >> $@
+endif
+ifdef NW_WINSOCK
+	@echo $(DL)#define HAVE_CLOSESOCKET 1$(DL) >> $@
+else
+	@echo $(DL)#define USE_BSD_SOCKETS 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SYS_TYPES_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SYS_SOCKET_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SYS_SOCKIO_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_NETDB_H 1$(DL) >> $@
+endif
+ifdef WITH_ARES
+	@echo $(DL)#define USE_ARES 1$(DL) >> $@
+endif
+ifdef WITH_ZLIB
+	@echo $(DL)#define HAVE_ZLIB_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_LIBZ 1$(DL) >> $@
+endif
+ifdef WITH_SSL
+	@echo $(DL)#define USE_OPENSSL 1$(DL) >> $@
+	@echo $(DL)#define HAVE_OPENSSL_X509_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_OPENSSL_SSL_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_OPENSSL_RSA_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_OPENSSL_PEM_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_OPENSSL_ERR_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_OPENSSL_CRYPTO_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_OPENSSL_ENGINE_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_LIBSSL 1$(DL) >> $@
+	@echo $(DL)#define HAVE_LIBCRYPTO 1$(DL) >> $@
+	@echo $(DL)#define OPENSSL_NO_KRB5 1$(DL) >> $@
+ifdef WITH_SRP
+	@echo $(DL)#define USE_TLS_SRP 1$(DL) >> $@
+endif
+ifdef WITH_SPNEGO
+	@echo $(DL)#define HAVE_SPNEGO 1$(DL) >> $@
+endif
+else
+endif
+ifdef WITH_SSH2
+	@echo $(DL)#define USE_LIBSSH2 1$(DL) >> $@
+	@echo $(DL)#define HAVE_LIBSSH2_H 1$(DL) >> $@
+endif
+ifdef WITH_IDN
+	@echo $(DL)#define HAVE_LIBIDN 1$(DL) >> $@
+	@echo $(DL)#define HAVE_TLD_H 1$(DL) >> $@
+endif
+ifdef WITH_RTMP
+	@echo $(DL)#define USE_LIBRTMP 1$(DL) >> $@
+endif
+ifdef WITH_NGHTTP2
+	@echo $(DL)#define USE_NGHTTP2 1$(DL) >> $@
+endif
+	@echo $(DL)#ifdef __GNUC__$(DL) >> $@
+	@echo $(DL)#define HAVE_VARIADIC_MACROS_GCC 1$(DL) >> $@
+	@echo $(DL)#else$(DL) >> $@
+	@echo $(DL)#define HAVE_VARIADIC_MACROS_C99 1$(DL) >> $@
+	@echo $(DL)#endif$(DL) >> $@
+ifdef CABUNDLE
+	@echo $(DL)#define CURL_CA_BUNDLE "$(CABUNDLE)"$(DL) >> $@
+else
+	@echo $(DL)#define CURL_CA_BUNDLE getenv("CURL_CA_BUNDLE")$(DL) >> $@
+endif
+
+$(EXPORTF): $(CURL_INC)/curl/curl.h $(CURL_INC)/curl/easy.h $(CURL_INC)/curl/multi.h $(CURL_INC)/curl/mprintf.h
+	@echo Creating $@
+	@$(AWK) -f ../packages/NetWare/get_exp.awk $^ > $@
+
+FORCE: ;
+
+info: $(OBJDIR)/version.inc
+	@echo Configured to build $(TARGET) with these options:
+	@echo libarchitecture: $(LIBARCH)
+	@echo curl version:    $(LIBCURL_VERSION_STR)
+	@echo compiler/linker: $(CC) / $(LD)
+ifdef CABUNDLE
+	@echo ca-bundle path:  $(CABUNDLE)
+endif
+ifdef WITH_SSL
+	@echo SSL support:     enabled (OpenSSL)
+else
+	@echo SSL support:     no
+endif
+ifdef WITH_SRP
+	@echo SRP support:     enabled
+else
+	@echo SRP support:     no
+endif
+ifdef WITH_SSH2
+	@echo SSH2 support:    enabled (libssh2)
+else
+	@echo SSH2 support:    no
+endif
+ifdef WITH_ZLIB
+	@echo zlib support:    enabled
+else
+	@echo zlib support:    no
+endif
+ifdef WITH_NGHTTP2
+	@echo http2 support:   enabled
+else
+	@echo http2 support:   no
+endif
+ifdef WITH_ARES
+	@echo c-ares support:  enabled
+else
+	@echo c-ares support:  no
+endif
+ifdef ENABLE_IPV6
+	@echo IPv6 support:    enabled
+else
+	@echo IPv6 support:    no
+endif
+
+$(LIBCARES_PATH)/libcares.$(LIBEXT):
+	$(MAKE) -C $(LIBCARES_PATH) -f Makefile.netware lib
+
+ca-bundle.crt: mk-ca-bundle.pl
+	@echo Creating $@
+	@-$(PERL) $< -b -n $@
Index: trunk/src/libs/curl-7.64.0/lib/Makefile.vxworks
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/Makefile.vxworks	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/Makefile.vxworks	(revision 85671)
@@ -0,0 +1,177 @@
+#*****************************************************************************
+#
+#
+#Filename   : Makefile.vxworks
+#Description: makefile to be used in order to compile libcurl for VxWoorks 6.3.
+#
+#How to use:
+#             1. Adjust environment variables at the file beginning
+#             2. Open the Command Prompt window and change directory ('cd')
+#                into the 'lib' folder
+#             3. Add <CYGWIN>/bin folder to the PATH environment variable
+#                For example type 'set PATH=C:/embedded/cygwin/bin;%PATH%'
+#             4. Build the library by typing 'make -f ./Makefile.vxworks'
+#             As a result the libcurl.a should be created in the 'lib' folder.
+#             To clean package use 'make -f ./Makefile.vxworks clean'
+#Requirements:
+#             1. WinXP machine
+#             2. Full CYGWIN installation (open source) with GNU make version
+#                v3.78 or higher
+#             3. WindRiver Workbench with vxWorks 6.3 (commercial)
+#*****************************************************************************
+
+# ----------------------------------------------------------------------
+# Environment
+# ----------------------------------------------------------------------
+
+export WIND_HOME := C:/embedded/Workbench2.5.0.1
+export WIND_BASE := $(WIND_HOME)/vxworks-6.3
+export WIND_HOST_TYPE := x86-win32
+
+# BUILD_TYE:= <debug>|<release> (build with debugging info or optimized)
+BUILD_TYPE := debug
+USER_CFLAGS:=
+
+# directories where to seek for includes and libraries
+OPENSSL_INC := D:/libraries/openssl/openssl-0.9.8zc-vxWorks6.3/include
+OPENSSL_LIB := D:/libraries/openssl/openssl-0.9.8zc-vxWorks6.3
+ZLIB_INC    := D:/libraries/zlib/zlib-1.2.8-VxWorks6.3/zlib-1.2.8
+ZLIB_LIB    := D:/libraries/zlib/zlib-1.2.8-VxWorks6.3/binaries/vxworks_3.1_gnu/Debug/lib
+ARES_INC    :=
+ARES_LIB    :=
+
+
+# ----------------------------------------------------------------------
+# Compiler
+# ----------------------------------------------------------------------
+
+CC := ccppc
+AR := arppc
+LINK := ccppc
+CFLAGS := -D__GNUC__ -D__ppc__ -msoft-float -fno-builtin -mcpu=604 -mlongcall -DCPU=PPC604 -D_GNU_TOOL -Wall -W -Winline $(USER_CFLAGS)
+LDFLAGS := -nostdlib -Wl,-i -Wl,-X
+INCLUDE_FLAG := -I
+C_DEBUGFLAG := -g
+C_OPTFLAG := -O2
+COMPILE_ONLY_FLAG := -c
+OBJ_EXTENSION := .o
+CC_OBJ_OUTPUT = -o $@
+ARFLAGS := -rc
+LIBS_FLAG := -l
+LIBS_DIRFLAG:= -L
+LD_DEBUGFLAG := $(C_DEBUGFLAG)
+EXECUTE_EXTENSION := .out
+TOOL_CHAIN_BIN := $(WIND_HOME)/gnu/3.4.4-vxworks-6.3/$(WIND_HOST_TYPE)/bin/
+
+# ----------------------------------------------------------------------
+
+# Add -DINET6 if the OS kernel image was built with IPv6 support
+# CFLAGS += -DINET6
+
+# Set up compiler and linker flags for debug or optimization
+ifeq ($(BUILD_TYPE), debug)
+CFLAGS += $(C_DEBUGFLAG)
+LDFLAGS += $(LD_DEBUGFLAG)
+else
+CFLAGS += $(C_OPTFLAG)
+endif
+
+# ----------------------------------------------------------------------
+
+# Main Makefile and possible sub-make files
+MAKEFILES := Makefile.vxworks
+
+# List of external include directories
+#-----
+# IMPORTANT: include OPENSSL directories before system
+#            in order to prevent WindRiver OpenSSL to be used.
+#-----
+INCLUDE_DIRS := ../include $(OPENSSL_INC) $(ZLIB_INC) $(ARES_INC) $(WIND_BASE)/target/h $(WIND_BASE)/target/h/wrn/coreip
+
+# List of external libraries and their directories
+LIBS_LIST := .
+LIB_DIRS  := .
+ifneq ($(OPENSSL_LIB), )
+LIBS_LIST += crypto ssl
+LIB_DIRS  += $(OPENSSL_LIB)
+endif
+ifneq ($(ZLIB_LIB), )
+LIBS_LIST += z
+LIB_DIRS  += $(ZLIB_LIB)
+endif
+ifneq ($(ARES_LIB), )
+LIBS_LIST += ares
+LIB_DIRS  += $(ARES_LIB)
+endif
+
+# Add include and library directories and libraries
+CFLAGS += $(INCLUDE_DIRS:%=$(INCLUDE_FLAG)%)
+LDFLAGS += $(LIB_DIRS:%=$(LIBS_DIRFLAG)%)
+
+# List of targets to make for libs target
+LIBS_TARGET_LIST := libcurl.a
+
+# List of execuatble applications to make in addition to libs for all target
+EXE_TARGET_LIST :=
+
+# Support for echoing rules
+# If ECHORULES variable was set (for example, using 'make' command line)
+#  some shell commands in the rules will be echoed
+ifneq ($(strip $(findstring $(ECHORULES), yes YES 1 true TRUE)),)
+_@_ :=
+else
+_@_ := @
+endif
+
+# Directory to hold compilation intermediate files
+TMP_DIR := tmp
+
+# Get sources and headers to be compiled
+include Makefile.inc
+
+# List of headers
+INCLUDE_FILES := $(HHEADERS)
+INCLUDE_FILES += $(shell find ../include -name \*.h)
+
+# List of sources
+OBJLIST := $(CSOURCES:%.c=$(TMP_DIR)/%$(OBJ_EXTENSION))
+
+
+# ----------------------------------------------------------------------
+
+#### default rule
+# It should be first rule in this file
+.PHONY: default
+default: libcurl.a
+
+#### Compiling C files
+$(TMP_DIR)/%$(OBJ_EXTENSION): %.c $(MAKEFILES)
+	@echo Compiling C file $< $(ECHO_STDOUT)
+	@[ -d $(@D) ] || mkdir -p $(@D)
+	$(_@_) $(TOOL_CHAIN_BIN)$(CC) $(COMPILE_ONLY_FLAG) $(CFLAGS) $< $(CC_OBJ_OUTPUT)
+
+#### Creating library
+$(LIBS_TARGET_LIST): $(INCLUDE_FILES) $(MAKEFILES) $(OBJLIST)
+	@echo Creating library $@ $(ECHO_STDOUT)
+	$(_@_) [ -d $(@D) ] || mkdir -p $(@D)
+	$(_@_) rm -f $@
+	$(_@_) $(TOOL_CHAIN_BIN)$(AR) $(ARFLAGS) $@ $(filter %$(OBJ_EXTENSION), $^)
+
+#### Creating application
+$(EXE_TARGET_LIST): $(INCLUDE_FILES) $(MAKEFILES) $(LIBS_TARGET_LIST)
+	@echo Creating application $@
+	@[ -d $(@D) ] || mkdir -p $(@D)
+	$(_@_) $(TOOL_CHAIN_BIN)$(LINK) $(CC_OBJ_OUTPUT) $($(@)_EXE_OBJ_LIST) $(LDFLAGS) $($(@)_EXE_LIBS_NEEDED:%=$(LIBS_FLAG)%) $(LIBS_LIST:%=$(LIBS_FLAG)%) $(USER_LIBS_LIST) $(USER_LIBS_LIST)
+
+#### Master Targets
+libs: $(LIBS_TARGET_LIST)
+	@echo All libs made.
+
+all: $(LIBS_TARGET_LIST) $(EXE_TARGET_LIST) $(INCLUDE_TARGET_LIST)
+	@echo All targets made.
+
+# Clean up
+.PHONY: clean
+clean:
+	$(_@_) rm -rf $(TMP_DIR)
+	@echo libcurl was cleaned.
Index: trunk/src/libs/curl-7.64.0/lib/amigaos.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/amigaos.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/amigaos.c	(revision 85671)
@@ -0,0 +1,77 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(__AMIGA__) && !defined(__ixemul__)
+
+#include <amitcp/socketbasetags.h>
+
+#include "amigaos.h"
+
+struct Library *SocketBase = NULL;
+extern int errno, h_errno;
+
+#ifdef __libnix__
+#include <stabs.h>
+void __request(const char *msg);
+#else
+# define __request(msg)       Printf(msg "\n\a")
+#endif
+
+void Curl_amiga_cleanup()
+{
+  if(SocketBase) {
+    CloseLibrary(SocketBase);
+    SocketBase = NULL;
+  }
+}
+
+bool Curl_amiga_init()
+{
+  if(!SocketBase)
+    SocketBase = OpenLibrary("bsdsocket.library", 4);
+
+  if(!SocketBase) {
+    __request("No TCP/IP Stack running!");
+    return FALSE;
+  }
+
+  if(SocketBaseTags(SBTM_SETVAL(SBTC_ERRNOPTR(sizeof(errno))), (ULONG) &errno,
+                    SBTM_SETVAL(SBTC_LOGTAGPTR), (ULONG) "curl",
+                    TAG_DONE)) {
+    __request("SocketBaseTags ERROR");
+    return FALSE;
+  }
+
+#ifndef __libnix__
+  atexit(Curl_amiga_cleanup);
+#endif
+
+  return TRUE;
+}
+
+#ifdef __libnix__
+ADD2EXIT(Curl_amiga_cleanup, -50);
+#endif
+
+#endif /* __AMIGA__ && ! __ixemul__ */
Index: trunk/src/libs/curl-7.64.0/lib/amigaos.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/amigaos.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/amigaos.h	(revision 85671)
@@ -0,0 +1,38 @@
+#ifndef HEADER_CURL_AMIGAOS_H
+#define HEADER_CURL_AMIGAOS_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#if defined(__AMIGA__) && !defined(__ixemul__)
+
+bool Curl_amiga_init();
+void Curl_amiga_cleanup();
+
+#else
+
+#define Curl_amiga_init() 1
+#define Curl_amiga_cleanup() Curl_nop_stmt
+
+#endif
+
+#endif /* HEADER_CURL_AMIGAOS_H */
Index: trunk/src/libs/curl-7.64.0/lib/arpa_telnet.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/arpa_telnet.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/arpa_telnet.h	(revision 85671)
@@ -0,0 +1,108 @@
+#ifndef HEADER_CURL_ARPA_TELNET_H
+#define HEADER_CURL_ARPA_TELNET_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#ifndef CURL_DISABLE_TELNET
+/*
+ * Telnet option defines. Add more here if in need.
+ */
+#define CURL_TELOPT_BINARY   0  /* binary 8bit data */
+#define CURL_TELOPT_ECHO     1  /* just echo! */
+#define CURL_TELOPT_SGA      3  /* Suppress Go Ahead */
+#define CURL_TELOPT_EXOPL  255  /* EXtended OPtions List */
+#define CURL_TELOPT_TTYPE   24  /* Terminal TYPE */
+#define CURL_TELOPT_NAWS    31  /* Negotiate About Window Size */
+#define CURL_TELOPT_XDISPLOC 35 /* X DISPlay LOCation */
+
+#define CURL_TELOPT_NEW_ENVIRON 39  /* NEW ENVIRONment variables */
+#define CURL_NEW_ENV_VAR   0
+#define CURL_NEW_ENV_VALUE 1
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+/*
+ * The telnet options represented as strings
+ */
+static const char * const telnetoptions[]=
+{
+  "BINARY",      "ECHO",           "RCP",           "SUPPRESS GO AHEAD",
+  "NAME",        "STATUS",         "TIMING MARK",   "RCTE",
+  "NAOL",        "NAOP",           "NAOCRD",        "NAOHTS",
+  "NAOHTD",      "NAOFFD",         "NAOVTS",        "NAOVTD",
+  "NAOLFD",      "EXTEND ASCII",   "LOGOUT",        "BYTE MACRO",
+  "DE TERMINAL", "SUPDUP",         "SUPDUP OUTPUT", "SEND LOCATION",
+  "TERM TYPE",   "END OF RECORD",  "TACACS UID",    "OUTPUT MARKING",
+  "TTYLOC",      "3270 REGIME",    "X3 PAD",        "NAWS",
+  "TERM SPEED",  "LFLOW",          "LINEMODE",      "XDISPLOC",
+  "OLD-ENVIRON", "AUTHENTICATION", "ENCRYPT",       "NEW-ENVIRON"
+};
+#endif
+
+#define CURL_TELOPT_MAXIMUM CURL_TELOPT_NEW_ENVIRON
+
+#define CURL_TELOPT_OK(x) ((x) <= CURL_TELOPT_MAXIMUM)
+#define CURL_TELOPT(x)    telnetoptions[x]
+
+#define CURL_NTELOPTS 40
+
+/*
+ * First some defines
+ */
+#define CURL_xEOF 236 /* End Of File */
+#define CURL_SE   240 /* Sub negotiation End */
+#define CURL_NOP  241 /* No OPeration */
+#define CURL_DM   242 /* Data Mark */
+#define CURL_GA   249 /* Go Ahead, reverse the line */
+#define CURL_SB   250 /* SuBnegotiation */
+#define CURL_WILL 251 /* Our side WILL use this option */
+#define CURL_WONT 252 /* Our side WON'T use this option */
+#define CURL_DO   253 /* DO use this option! */
+#define CURL_DONT 254 /* DON'T use this option! */
+#define CURL_IAC  255 /* Interpret As Command */
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+/*
+ * Then those numbers represented as strings:
+ */
+static const char * const telnetcmds[]=
+{
+  "EOF",  "SUSP",  "ABORT", "EOR",  "SE",
+  "NOP",  "DMARK", "BRK",   "IP",   "AO",
+  "AYT",  "EC",    "EL",    "GA",   "SB",
+  "WILL", "WONT",  "DO",    "DONT", "IAC"
+};
+#endif
+
+#define CURL_TELCMD_MINIMUM CURL_xEOF /* the first one */
+#define CURL_TELCMD_MAXIMUM CURL_IAC  /* surprise, 255 is the last one! ;-) */
+
+#define CURL_TELQUAL_IS   0
+#define CURL_TELQUAL_SEND 1
+#define CURL_TELQUAL_INFO 2
+#define CURL_TELQUAL_NAME 3
+
+#define CURL_TELCMD_OK(x) ( ((unsigned int)(x) >= CURL_TELCMD_MINIMUM) && \
+                       ((unsigned int)(x) <= CURL_TELCMD_MAXIMUM) )
+#define CURL_TELCMD(x)    telnetcmds[(x)-CURL_TELCMD_MINIMUM]
+
+#endif /* CURL_DISABLE_TELNET */
+
+#endif /* HEADER_CURL_ARPA_TELNET_H */
Index: trunk/src/libs/curl-7.64.0/lib/asyn-ares.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/asyn-ares.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/asyn-ares.c	(revision 85671)
@@ -0,0 +1,733 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+/***********************************************************************
+ * Only for ares-enabled builds
+ * And only for functions that fulfill the asynch resolver backend API
+ * as defined in asyn.h, nothing else belongs in this file!
+ **********************************************************************/
+
+#ifdef CURLRES_ARES
+
+#include <limits.h>
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#ifdef HAVE_PROCESS_H
+#include <process.h>
+#endif
+
+#if (defined(NETWARE) && defined(__NOVELL_LIBC__))
+#undef in_addr_t
+#define in_addr_t unsigned long
+#endif
+
+#include "urldata.h"
+#include "sendf.h"
+#include "hostip.h"
+#include "hash.h"
+#include "share.h"
+#include "strerror.h"
+#include "url.h"
+#include "multiif.h"
+#include "inet_pton.h"
+#include "connect.h"
+#include "select.h"
+#include "progress.h"
+
+#  if defined(CURL_STATICLIB) && !defined(CARES_STATICLIB) && \
+     (defined(WIN32) || defined(_WIN32) || defined(__SYMBIAN32__))
+#    define CARES_STATICLIB
+#  endif
+#  include <ares.h>
+#  include <ares_version.h> /* really old c-ares didn't include this by
+                               itself */
+
+#if ARES_VERSION >= 0x010500
+/* c-ares 1.5.0 or later, the callback proto is modified */
+#define HAVE_CARES_CALLBACK_TIMEOUTS 1
+#endif
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+struct ResolverResults {
+  int num_pending; /* number of ares_gethostbyname() requests */
+  Curl_addrinfo *temp_ai; /* intermediary result while fetching c-ares parts */
+  int last_status;
+};
+
+/*
+ * Curl_resolver_global_init() - the generic low-level asynchronous name
+ * resolve API.  Called from curl_global_init() to initialize global resolver
+ * environment.  Initializes ares library.
+ */
+int Curl_resolver_global_init(void)
+{
+#ifdef CARES_HAVE_ARES_LIBRARY_INIT
+  if(ares_library_init(ARES_LIB_INIT_ALL)) {
+    return CURLE_FAILED_INIT;
+  }
+#endif
+  return CURLE_OK;
+}
+
+/*
+ * Curl_resolver_global_cleanup()
+ *
+ * Called from curl_global_cleanup() to destroy global resolver environment.
+ * Deinitializes ares library.
+ */
+void Curl_resolver_global_cleanup(void)
+{
+#ifdef CARES_HAVE_ARES_LIBRARY_CLEANUP
+  ares_library_cleanup();
+#endif
+}
+
+
+static void Curl_ares_sock_state_cb(void *data, ares_socket_t socket_fd,
+                                    int readable, int writable)
+{
+  struct Curl_easy *easy = data;
+  if(!readable && !writable) {
+    DEBUGASSERT(easy);
+    Curl_multi_closed(easy, socket_fd);
+  }
+}
+
+/*
+ * Curl_resolver_init()
+ *
+ * Called from curl_easy_init() -> Curl_open() to initialize resolver
+ * URL-state specific environment ('resolver' member of the UrlState
+ * structure).  Fills the passed pointer by the initialized ares_channel.
+ */
+CURLcode Curl_resolver_init(struct Curl_easy *easy, void **resolver)
+{
+  int status;
+  struct ares_options options;
+  int optmask = ARES_OPT_SOCK_STATE_CB;
+  options.sock_state_cb = Curl_ares_sock_state_cb;
+  options.sock_state_cb_data = easy;
+  status = ares_init_options((ares_channel*)resolver, &options, optmask);
+  if(status != ARES_SUCCESS) {
+    if(status == ARES_ENOMEM)
+      return CURLE_OUT_OF_MEMORY;
+    else
+      return CURLE_FAILED_INIT;
+  }
+  return CURLE_OK;
+  /* make sure that all other returns from this function should destroy the
+     ares channel before returning error! */
+}
+
+/*
+ * Curl_resolver_cleanup()
+ *
+ * Called from curl_easy_cleanup() -> Curl_close() to cleanup resolver
+ * URL-state specific environment ('resolver' member of the UrlState
+ * structure).  Destroys the ares channel.
+ */
+void Curl_resolver_cleanup(void *resolver)
+{
+  ares_destroy((ares_channel)resolver);
+}
+
+/*
+ * Curl_resolver_duphandle()
+ *
+ * Called from curl_easy_duphandle() to duplicate resolver URL-state specific
+ * environment ('resolver' member of the UrlState structure).  Duplicates the
+ * 'from' ares channel and passes the resulting channel to the 'to' pointer.
+ */
+CURLcode Curl_resolver_duphandle(struct Curl_easy *easy, void **to, void *from)
+{
+  (void)from;
+  /*
+   * it would be better to call ares_dup instead, but right now
+   * it is not possible to set 'sock_state_cb_data' outside of
+   * ares_init_options
+   */
+  return Curl_resolver_init(easy, to);
+}
+
+static void destroy_async_data(struct Curl_async *async);
+
+/*
+ * Cancel all possibly still on-going resolves for this connection.
+ */
+void Curl_resolver_cancel(struct connectdata *conn)
+{
+  if(conn->data && conn->data->state.resolver)
+    ares_cancel((ares_channel)conn->data->state.resolver);
+  destroy_async_data(&conn->async);
+}
+
+/*
+ * We're equivalent to Curl_resolver_cancel() for the c-ares resolver.  We
+ * never block.
+ */
+void Curl_resolver_kill(struct connectdata *conn)
+{
+  /* We don't need to check the resolver state because we can be called safely
+     at any time and we always do the same thing. */
+  Curl_resolver_cancel(conn);
+}
+
+/*
+ * destroy_async_data() cleans up async resolver data.
+ */
+static void destroy_async_data(struct Curl_async *async)
+{
+  free(async->hostname);
+
+  if(async->os_specific) {
+    struct ResolverResults *res = (struct ResolverResults *)async->os_specific;
+    if(res) {
+      if(res->temp_ai) {
+        Curl_freeaddrinfo(res->temp_ai);
+        res->temp_ai = NULL;
+      }
+      free(res);
+    }
+    async->os_specific = NULL;
+  }
+
+  async->hostname = NULL;
+}
+
+/*
+ * Curl_resolver_getsock() is called when someone from the outside world
+ * (using curl_multi_fdset()) wants to get our fd_set setup and we're talking
+ * with ares. The caller must make sure that this function is only called when
+ * we have a working ares channel.
+ *
+ * Returns: sockets-in-use-bitmap
+ */
+
+int Curl_resolver_getsock(struct connectdata *conn,
+                          curl_socket_t *socks,
+                          int numsocks)
+
+{
+  struct timeval maxtime;
+  struct timeval timebuf;
+  struct timeval *timeout;
+  long milli;
+  int max = ares_getsock((ares_channel)conn->data->state.resolver,
+                         (ares_socket_t *)socks, numsocks);
+
+  maxtime.tv_sec = CURL_TIMEOUT_RESOLVE;
+  maxtime.tv_usec = 0;
+
+  timeout = ares_timeout((ares_channel)conn->data->state.resolver, &maxtime,
+                         &timebuf);
+  milli = (timeout->tv_sec * 1000) + (timeout->tv_usec/1000);
+  if(milli == 0)
+    milli += 10;
+  Curl_expire(conn->data, milli, EXPIRE_ASYNC_NAME);
+
+  return max;
+}
+
+/*
+ * waitperform()
+ *
+ * 1) Ask ares what sockets it currently plays with, then
+ * 2) wait for the timeout period to check for action on ares' sockets.
+ * 3) tell ares to act on all the sockets marked as "with action"
+ *
+ * return number of sockets it worked on
+ */
+
+static int waitperform(struct connectdata *conn, int timeout_ms)
+{
+  struct Curl_easy *data = conn->data;
+  int nfds;
+  int bitmask;
+  ares_socket_t socks[ARES_GETSOCK_MAXNUM];
+  struct pollfd pfd[ARES_GETSOCK_MAXNUM];
+  int i;
+  int num = 0;
+
+  bitmask = ares_getsock((ares_channel)data->state.resolver, socks,
+                         ARES_GETSOCK_MAXNUM);
+
+  for(i = 0; i < ARES_GETSOCK_MAXNUM; i++) {
+    pfd[i].events = 0;
+    pfd[i].revents = 0;
+    if(ARES_GETSOCK_READABLE(bitmask, i)) {
+      pfd[i].fd = socks[i];
+      pfd[i].events |= POLLRDNORM|POLLIN;
+    }
+    if(ARES_GETSOCK_WRITABLE(bitmask, i)) {
+      pfd[i].fd = socks[i];
+      pfd[i].events |= POLLWRNORM|POLLOUT;
+    }
+    if(pfd[i].events != 0)
+      num++;
+    else
+      break;
+  }
+
+  if(num)
+    nfds = Curl_poll(pfd, num, timeout_ms);
+  else
+    nfds = 0;
+
+  if(!nfds)
+    /* Call ares_process() unconditonally here, even if we simply timed out
+       above, as otherwise the ares name resolve won't timeout! */
+    ares_process_fd((ares_channel)data->state.resolver, ARES_SOCKET_BAD,
+                    ARES_SOCKET_BAD);
+  else {
+    /* move through the descriptors and ask for processing on them */
+    for(i = 0; i < num; i++)
+      ares_process_fd((ares_channel)data->state.resolver,
+                      pfd[i].revents & (POLLRDNORM|POLLIN)?
+                      pfd[i].fd:ARES_SOCKET_BAD,
+                      pfd[i].revents & (POLLWRNORM|POLLOUT)?
+                      pfd[i].fd:ARES_SOCKET_BAD);
+  }
+  return nfds;
+}
+
+/*
+ * Curl_resolver_is_resolved() is called repeatedly to check if a previous
+ * name resolve request has completed. It should also make sure to time-out if
+ * the operation seems to take too long.
+ *
+ * Returns normal CURLcode errors.
+ */
+CURLcode Curl_resolver_is_resolved(struct connectdata *conn,
+                                   struct Curl_dns_entry **dns)
+{
+  struct Curl_easy *data = conn->data;
+  struct ResolverResults *res = (struct ResolverResults *)
+    conn->async.os_specific;
+  CURLcode result = CURLE_OK;
+
+  if(dns)
+    *dns = NULL;
+
+  waitperform(conn, 0);
+
+  if(res && !res->num_pending) {
+    if(dns) {
+      (void)Curl_addrinfo_callback(conn, res->last_status, res->temp_ai);
+      /* temp_ai ownership is moved to the connection, so we need not free-up
+         them */
+      res->temp_ai = NULL;
+    }
+    if(!conn->async.dns) {
+      failf(data, "Could not resolve: %s (%s)",
+            conn->async.hostname, ares_strerror(conn->async.status));
+      result = conn->bits.proxy?CURLE_COULDNT_RESOLVE_PROXY:
+        CURLE_COULDNT_RESOLVE_HOST;
+    }
+    else if(dns)
+      *dns = conn->async.dns;
+
+    destroy_async_data(&conn->async);
+  }
+
+  return result;
+}
+
+/*
+ * Curl_resolver_wait_resolv()
+ *
+ * Waits for a resolve to finish. This function should be avoided since using
+ * this risk getting the multi interface to "hang".
+ *
+ * If 'entry' is non-NULL, make it point to the resolved dns entry
+ *
+ * Returns CURLE_COULDNT_RESOLVE_HOST if the host was not resolved,
+ * CURLE_OPERATION_TIMEDOUT if a time-out occurred, or other errors.
+ */
+CURLcode Curl_resolver_wait_resolv(struct connectdata *conn,
+                                   struct Curl_dns_entry **entry)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  timediff_t timeout;
+  struct curltime now = Curl_now();
+  struct Curl_dns_entry *temp_entry;
+
+  if(entry)
+    *entry = NULL; /* clear on entry */
+
+  timeout = Curl_timeleft(data, &now, TRUE);
+  if(timeout < 0) {
+    /* already expired! */
+    connclose(conn, "Timed out before name resolve started");
+    return CURLE_OPERATION_TIMEDOUT;
+  }
+  if(!timeout)
+    timeout = CURL_TIMEOUT_RESOLVE * 1000; /* default name resolve timeout */
+
+  /* Wait for the name resolve query to complete. */
+  while(!result) {
+    struct timeval *tvp, tv, store;
+    int itimeout;
+    int timeout_ms;
+
+    itimeout = (timeout > (long)INT_MAX) ? INT_MAX : (int)timeout;
+
+    store.tv_sec = itimeout/1000;
+    store.tv_usec = (itimeout%1000)*1000;
+
+    tvp = ares_timeout((ares_channel)data->state.resolver, &store, &tv);
+
+    /* use the timeout period ares returned to us above if less than one
+       second is left, otherwise just use 1000ms to make sure the progress
+       callback gets called frequent enough */
+    if(!tvp->tv_sec)
+      timeout_ms = (int)(tvp->tv_usec/1000);
+    else
+      timeout_ms = 1000;
+
+    waitperform(conn, timeout_ms);
+    result = Curl_resolver_is_resolved(conn, entry?&temp_entry:NULL);
+
+    if(result || conn->async.done)
+      break;
+
+    if(Curl_pgrsUpdate(conn))
+      result = CURLE_ABORTED_BY_CALLBACK;
+    else {
+      struct curltime now2 = Curl_now();
+      timediff_t timediff = Curl_timediff(now2, now); /* spent time */
+      if(timediff <= 0)
+        timeout -= 1; /* always deduct at least 1 */
+      else if(timediff > timeout)
+        timeout = -1;
+      else
+        timeout -= (long)timediff;
+      now = now2; /* for next loop */
+    }
+    if(timeout < 0)
+      result = CURLE_OPERATION_TIMEDOUT;
+  }
+  if(result)
+    /* failure, so we cancel the ares operation */
+    ares_cancel((ares_channel)data->state.resolver);
+
+  /* Operation complete, if the lookup was successful we now have the entry
+     in the cache. */
+  if(entry)
+    *entry = conn->async.dns;
+
+  if(result)
+    /* close the connection, since we can't return failure here without
+       cleaning up this connection properly.
+       TODO: remove this action from here, it is not a name resolver decision.
+    */
+    connclose(conn, "c-ares resolve failed");
+
+  return result;
+}
+
+/* Connects results to the list */
+static void compound_results(struct ResolverResults *res,
+                             Curl_addrinfo *ai)
+{
+  Curl_addrinfo *ai_tail;
+  if(!ai)
+    return;
+  ai_tail = ai;
+
+  while(ai_tail->ai_next)
+    ai_tail = ai_tail->ai_next;
+
+  /* Add the new results to the list of old results. */
+  ai_tail->ai_next = res->temp_ai;
+  res->temp_ai = ai;
+}
+
+/*
+ * ares_query_completed_cb() is the callback that ares will call when
+ * the host query initiated by ares_gethostbyname() from Curl_getaddrinfo(),
+ * when using ares, is completed either successfully or with failure.
+ */
+static void query_completed_cb(void *arg,  /* (struct connectdata *) */
+                               int status,
+#ifdef HAVE_CARES_CALLBACK_TIMEOUTS
+                               int timeouts,
+#endif
+                               struct hostent *hostent)
+{
+  struct connectdata *conn = (struct connectdata *)arg;
+  struct ResolverResults *res;
+
+#ifdef HAVE_CARES_CALLBACK_TIMEOUTS
+  (void)timeouts; /* ignored */
+#endif
+
+  if(ARES_EDESTRUCTION == status)
+    /* when this ares handle is getting destroyed, the 'arg' pointer may not
+       be valid so only defer it when we know the 'status' says its fine! */
+    return;
+
+  res = (struct ResolverResults *)conn->async.os_specific;
+  if(res) {
+    res->num_pending--;
+
+    if(CURL_ASYNC_SUCCESS == status) {
+      Curl_addrinfo *ai = Curl_he2ai(hostent, conn->async.port);
+      if(ai) {
+        compound_results(res, ai);
+      }
+    }
+    /* A successful result overwrites any previous error */
+    if(res->last_status != ARES_SUCCESS)
+      res->last_status = status;
+  }
+}
+
+/*
+ * Curl_resolver_getaddrinfo() - when using ares
+ *
+ * Returns name information about the given hostname and port number. If
+ * successful, the 'hostent' is returned and the forth argument will point to
+ * memory we need to free after use. That memory *MUST* be freed with
+ * Curl_freeaddrinfo(), nothing else.
+ */
+Curl_addrinfo *Curl_resolver_getaddrinfo(struct connectdata *conn,
+                                         const char *hostname,
+                                         int port,
+                                         int *waitp)
+{
+  char *bufp;
+  struct Curl_easy *data = conn->data;
+  struct in_addr in;
+  int family = PF_INET;
+#ifdef ENABLE_IPV6 /* CURLRES_IPV6 */
+  struct in6_addr in6;
+#endif /* CURLRES_IPV6 */
+
+  *waitp = 0; /* default to synchronous response */
+
+  /* First check if this is an IPv4 address string */
+  if(Curl_inet_pton(AF_INET, hostname, &in) > 0) {
+    /* This is a dotted IP address 123.123.123.123-style */
+    return Curl_ip2addr(AF_INET, &in, hostname, port);
+  }
+
+#ifdef ENABLE_IPV6 /* CURLRES_IPV6 */
+  /* Otherwise, check if this is an IPv6 address string */
+  if(Curl_inet_pton (AF_INET6, hostname, &in6) > 0)
+    /* This must be an IPv6 address literal.  */
+    return Curl_ip2addr(AF_INET6, &in6, hostname, port);
+
+  switch(conn->ip_version) {
+  default:
+#if ARES_VERSION >= 0x010601
+    family = PF_UNSPEC; /* supported by c-ares since 1.6.1, so for older
+                           c-ares versions this just falls through and defaults
+                           to PF_INET */
+    break;
+#endif
+  case CURL_IPRESOLVE_V4:
+    family = PF_INET;
+    break;
+  case CURL_IPRESOLVE_V6:
+    family = PF_INET6;
+    break;
+  }
+#endif /* CURLRES_IPV6 */
+
+  bufp = strdup(hostname);
+  if(bufp) {
+    struct ResolverResults *res = NULL;
+    free(conn->async.hostname);
+    conn->async.hostname = bufp;
+    conn->async.port = port;
+    conn->async.done = FALSE;   /* not done */
+    conn->async.status = 0;     /* clear */
+    conn->async.dns = NULL;     /* clear */
+    res = calloc(sizeof(struct ResolverResults), 1);
+    if(!res) {
+      free(conn->async.hostname);
+      conn->async.hostname = NULL;
+      return NULL;
+    }
+    conn->async.os_specific = res;
+
+    /* initial status - failed */
+    res->last_status = ARES_ENOTFOUND;
+#ifdef ENABLE_IPV6 /* CURLRES_IPV6 */
+    if(family == PF_UNSPEC) {
+      if(Curl_ipv6works()) {
+        res->num_pending = 2;
+
+        /* areschannel is already setup in the Curl_open() function */
+        ares_gethostbyname((ares_channel)data->state.resolver, hostname,
+                            PF_INET, query_completed_cb, conn);
+        ares_gethostbyname((ares_channel)data->state.resolver, hostname,
+                            PF_INET6, query_completed_cb, conn);
+      }
+      else {
+        res->num_pending = 1;
+
+        /* areschannel is already setup in the Curl_open() function */
+        ares_gethostbyname((ares_channel)data->state.resolver, hostname,
+                            PF_INET, query_completed_cb, conn);
+      }
+    }
+    else
+#endif /* CURLRES_IPV6 */
+    {
+      res->num_pending = 1;
+
+      /* areschannel is already setup in the Curl_open() function */
+      ares_gethostbyname((ares_channel)data->state.resolver, hostname, family,
+                         query_completed_cb, conn);
+    }
+
+    *waitp = 1; /* expect asynchronous response */
+  }
+  return NULL; /* no struct yet */
+}
+
+CURLcode Curl_set_dns_servers(struct Curl_easy *data,
+                              char *servers)
+{
+  CURLcode result = CURLE_NOT_BUILT_IN;
+  int ares_result;
+
+  /* If server is NULL or empty, this would purge all DNS servers
+   * from ares library, which will cause any and all queries to fail.
+   * So, just return OK if none are configured and don't actually make
+   * any changes to c-ares.  This lets c-ares use it's defaults, which
+   * it gets from the OS (for instance from /etc/resolv.conf on Linux).
+   */
+  if(!(servers && servers[0]))
+    return CURLE_OK;
+
+#if (ARES_VERSION >= 0x010704)
+  ares_result = ares_set_servers_csv(data->state.resolver, servers);
+  switch(ares_result) {
+  case ARES_SUCCESS:
+    result = CURLE_OK;
+    break;
+  case ARES_ENOMEM:
+    result = CURLE_OUT_OF_MEMORY;
+    break;
+  case ARES_ENOTINITIALIZED:
+  case ARES_ENODATA:
+  case ARES_EBADSTR:
+  default:
+    result = CURLE_BAD_FUNCTION_ARGUMENT;
+    break;
+  }
+#else /* too old c-ares version! */
+  (void)data;
+  (void)(ares_result);
+#endif
+  return result;
+}
+
+CURLcode Curl_set_dns_interface(struct Curl_easy *data,
+                                const char *interf)
+{
+#if (ARES_VERSION >= 0x010704)
+  if(!interf)
+    interf = "";
+
+  ares_set_local_dev((ares_channel)data->state.resolver, interf);
+
+  return CURLE_OK;
+#else /* c-ares version too old! */
+  (void)data;
+  (void)interf;
+  return CURLE_NOT_BUILT_IN;
+#endif
+}
+
+CURLcode Curl_set_dns_local_ip4(struct Curl_easy *data,
+                                const char *local_ip4)
+{
+#if (ARES_VERSION >= 0x010704)
+  struct in_addr a4;
+
+  if((!local_ip4) || (local_ip4[0] == 0)) {
+    a4.s_addr = 0; /* disabled: do not bind to a specific address */
+  }
+  else {
+    if(Curl_inet_pton(AF_INET, local_ip4, &a4) != 1) {
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    }
+  }
+
+  ares_set_local_ip4((ares_channel)data->state.resolver, ntohl(a4.s_addr));
+
+  return CURLE_OK;
+#else /* c-ares version too old! */
+  (void)data;
+  (void)local_ip4;
+  return CURLE_NOT_BUILT_IN;
+#endif
+}
+
+CURLcode Curl_set_dns_local_ip6(struct Curl_easy *data,
+                                const char *local_ip6)
+{
+#if (ARES_VERSION >= 0x010704) && defined(ENABLE_IPV6)
+  unsigned char a6[INET6_ADDRSTRLEN];
+
+  if((!local_ip6) || (local_ip6[0] == 0)) {
+    /* disabled: do not bind to a specific address */
+    memset(a6, 0, sizeof(a6));
+  }
+  else {
+    if(Curl_inet_pton(AF_INET6, local_ip6, a6) != 1) {
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    }
+  }
+
+  ares_set_local_ip6((ares_channel)data->state.resolver, a6);
+
+  return CURLE_OK;
+#else /* c-ares version too old! */
+  (void)data;
+  (void)local_ip6;
+  return CURLE_NOT_BUILT_IN;
+#endif
+}
+#endif /* CURLRES_ARES */
Index: trunk/src/libs/curl-7.64.0/lib/asyn-thread.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/asyn-thread.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/asyn-thread.c	(revision 85671)
@@ -0,0 +1,752 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+/***********************************************************************
+ * Only for threaded name resolves builds
+ **********************************************************************/
+#ifdef CURLRES_THREADED
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#if defined(USE_THREADS_POSIX)
+#  ifdef HAVE_PTHREAD_H
+#    include <pthread.h>
+#  endif
+#elif defined(USE_THREADS_WIN32)
+#  ifdef HAVE_PROCESS_H
+#    include <process.h>
+#  endif
+#endif
+
+#if (defined(NETWARE) && defined(__NOVELL_LIBC__))
+#undef in_addr_t
+#define in_addr_t unsigned long
+#endif
+
+#ifdef HAVE_GETADDRINFO
+#  define RESOLVER_ENOMEM  EAI_MEMORY
+#else
+#  define RESOLVER_ENOMEM  ENOMEM
+#endif
+
+#include "urldata.h"
+#include "sendf.h"
+#include "hostip.h"
+#include "hash.h"
+#include "share.h"
+#include "strerror.h"
+#include "url.h"
+#include "multiif.h"
+#include "inet_pton.h"
+#include "inet_ntop.h"
+#include "curl_threads.h"
+#include "connect.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+struct resdata {
+  struct curltime start;
+};
+
+/*
+ * Curl_resolver_global_init()
+ * Called from curl_global_init() to initialize global resolver environment.
+ * Does nothing here.
+ */
+int Curl_resolver_global_init(void)
+{
+  return CURLE_OK;
+}
+
+/*
+ * Curl_resolver_global_cleanup()
+ * Called from curl_global_cleanup() to destroy global resolver environment.
+ * Does nothing here.
+ */
+void Curl_resolver_global_cleanup(void)
+{
+}
+
+/*
+ * Curl_resolver_init()
+ * Called from curl_easy_init() -> Curl_open() to initialize resolver
+ * URL-state specific environment ('resolver' member of the UrlState
+ * structure).
+ */
+CURLcode Curl_resolver_init(struct Curl_easy *easy, void **resolver)
+{
+  (void)easy;
+  *resolver = calloc(1, sizeof(struct resdata));
+  if(!*resolver)
+    return CURLE_OUT_OF_MEMORY;
+  return CURLE_OK;
+}
+
+/*
+ * Curl_resolver_cleanup()
+ * Called from curl_easy_cleanup() -> Curl_close() to cleanup resolver
+ * URL-state specific environment ('resolver' member of the UrlState
+ * structure).
+ */
+void Curl_resolver_cleanup(void *resolver)
+{
+  free(resolver);
+}
+
+/*
+ * Curl_resolver_duphandle()
+ * Called from curl_easy_duphandle() to duplicate resolver URL state-specific
+ * environment ('resolver' member of the UrlState structure).
+ */
+CURLcode Curl_resolver_duphandle(struct Curl_easy *easy, void **to, void *from)
+{
+  (void)from;
+  return Curl_resolver_init(easy, to);
+}
+
+static void destroy_async_data(struct Curl_async *);
+
+/*
+ * Cancel all possibly still on-going resolves for this connection.
+ */
+void Curl_resolver_cancel(struct connectdata *conn)
+{
+  destroy_async_data(&conn->async);
+}
+
+/* This function is used to init a threaded resolve */
+static bool init_resolve_thread(struct connectdata *conn,
+                                const char *hostname, int port,
+                                const struct addrinfo *hints);
+
+
+/* Data for synchronization between resolver thread and its parent */
+struct thread_sync_data {
+  curl_mutex_t * mtx;
+  int done;
+
+  char *hostname;        /* hostname to resolve, Curl_async.hostname
+                            duplicate */
+  int port;
+  int sock_error;
+  Curl_addrinfo *res;
+#ifdef HAVE_GETADDRINFO
+  struct addrinfo hints;
+#endif
+  struct thread_data *td; /* for thread-self cleanup */
+};
+
+struct thread_data {
+  curl_thread_t thread_hnd;
+  unsigned int poll_interval;
+  time_t interval_end;
+  struct thread_sync_data tsd;
+};
+
+static struct thread_sync_data *conn_thread_sync_data(struct connectdata *conn)
+{
+  return &(((struct thread_data *)conn->async.os_specific)->tsd);
+}
+
+/* Destroy resolver thread synchronization data */
+static
+void destroy_thread_sync_data(struct thread_sync_data * tsd)
+{
+  if(tsd->mtx) {
+    Curl_mutex_destroy(tsd->mtx);
+    free(tsd->mtx);
+  }
+
+  free(tsd->hostname);
+
+  if(tsd->res)
+    Curl_freeaddrinfo(tsd->res);
+
+  memset(tsd, 0, sizeof(*tsd));
+}
+
+/* Initialize resolver thread synchronization data */
+static
+int init_thread_sync_data(struct thread_data * td,
+                           const char *hostname,
+                           int port,
+                           const struct addrinfo *hints)
+{
+  struct thread_sync_data *tsd = &td->tsd;
+
+  memset(tsd, 0, sizeof(*tsd));
+
+  tsd->td = td;
+  tsd->port = port;
+  /* Treat the request as done until the thread actually starts so any early
+   * cleanup gets done properly.
+   */
+  tsd->done = 1;
+#ifdef HAVE_GETADDRINFO
+  DEBUGASSERT(hints);
+  tsd->hints = *hints;
+#else
+  (void) hints;
+#endif
+
+  tsd->mtx = malloc(sizeof(curl_mutex_t));
+  if(tsd->mtx == NULL)
+    goto err_exit;
+
+  Curl_mutex_init(tsd->mtx);
+
+  tsd->sock_error = CURL_ASYNC_SUCCESS;
+
+  /* Copying hostname string because original can be destroyed by parent
+   * thread during gethostbyname execution.
+   */
+  tsd->hostname = strdup(hostname);
+  if(!tsd->hostname)
+    goto err_exit;
+
+  return 1;
+
+ err_exit:
+  /* Memory allocation failed */
+  destroy_thread_sync_data(tsd);
+  return 0;
+}
+
+static int getaddrinfo_complete(struct connectdata *conn)
+{
+  struct thread_sync_data *tsd = conn_thread_sync_data(conn);
+  int rc;
+
+  rc = Curl_addrinfo_callback(conn, tsd->sock_error, tsd->res);
+  /* The tsd->res structure has been copied to async.dns and perhaps the DNS
+     cache.  Set our copy to NULL so destroy_thread_sync_data doesn't free it.
+  */
+  tsd->res = NULL;
+
+  return rc;
+}
+
+
+#ifdef HAVE_GETADDRINFO
+
+/*
+ * getaddrinfo_thread() resolves a name and then exits.
+ *
+ * For builds without ARES, but with ENABLE_IPV6, create a resolver thread
+ * and wait on it.
+ */
+static unsigned int CURL_STDCALL getaddrinfo_thread(void *arg)
+{
+  struct thread_sync_data *tsd = (struct thread_sync_data*)arg;
+  struct thread_data *td = tsd->td;
+  char service[12];
+  int rc;
+
+  msnprintf(service, sizeof(service), "%d", tsd->port);
+
+  rc = Curl_getaddrinfo_ex(tsd->hostname, service, &tsd->hints, &tsd->res);
+
+  if(rc != 0) {
+    tsd->sock_error = SOCKERRNO?SOCKERRNO:rc;
+    if(tsd->sock_error == 0)
+      tsd->sock_error = RESOLVER_ENOMEM;
+  }
+  else {
+    Curl_addrinfo_set_port(tsd->res, tsd->port);
+  }
+
+  Curl_mutex_acquire(tsd->mtx);
+  if(tsd->done) {
+    /* too late, gotta clean up the mess */
+    Curl_mutex_release(tsd->mtx);
+    destroy_thread_sync_data(tsd);
+    free(td);
+  }
+  else {
+    tsd->done = 1;
+    Curl_mutex_release(tsd->mtx);
+  }
+
+  return 0;
+}
+
+#else /* HAVE_GETADDRINFO */
+
+/*
+ * gethostbyname_thread() resolves a name and then exits.
+ */
+static unsigned int CURL_STDCALL gethostbyname_thread(void *arg)
+{
+  struct thread_sync_data *tsd = (struct thread_sync_data *)arg;
+  struct thread_data *td = tsd->td;
+
+  tsd->res = Curl_ipv4_resolve_r(tsd->hostname, tsd->port);
+
+  if(!tsd->res) {
+    tsd->sock_error = SOCKERRNO;
+    if(tsd->sock_error == 0)
+      tsd->sock_error = RESOLVER_ENOMEM;
+  }
+
+  Curl_mutex_acquire(tsd->mtx);
+  if(tsd->done) {
+    /* too late, gotta clean up the mess */
+    Curl_mutex_release(tsd->mtx);
+    destroy_thread_sync_data(tsd);
+    free(td);
+  }
+  else {
+    tsd->done = 1;
+    Curl_mutex_release(tsd->mtx);
+  }
+
+  return 0;
+}
+
+#endif /* HAVE_GETADDRINFO */
+
+/*
+ * destroy_async_data() cleans up async resolver data and thread handle.
+ */
+static void destroy_async_data(struct Curl_async *async)
+{
+  if(async->os_specific) {
+    struct thread_data *td = (struct thread_data*) async->os_specific;
+    int done;
+
+    /*
+     * if the thread is still blocking in the resolve syscall, detach it and
+     * let the thread do the cleanup...
+     */
+    Curl_mutex_acquire(td->tsd.mtx);
+    done = td->tsd.done;
+    td->tsd.done = 1;
+    Curl_mutex_release(td->tsd.mtx);
+
+    if(!done) {
+      Curl_thread_destroy(td->thread_hnd);
+    }
+    else {
+      if(td->thread_hnd != curl_thread_t_null)
+        Curl_thread_join(&td->thread_hnd);
+
+      destroy_thread_sync_data(&td->tsd);
+
+      free(async->os_specific);
+    }
+  }
+  async->os_specific = NULL;
+
+  free(async->hostname);
+  async->hostname = NULL;
+}
+
+/*
+ * init_resolve_thread() starts a new thread that performs the actual
+ * resolve. This function returns before the resolve is done.
+ *
+ * Returns FALSE in case of failure, otherwise TRUE.
+ */
+static bool init_resolve_thread(struct connectdata *conn,
+                                const char *hostname, int port,
+                                const struct addrinfo *hints)
+{
+  struct thread_data *td = calloc(1, sizeof(struct thread_data));
+  int err = ENOMEM;
+
+  conn->async.os_specific = (void *)td;
+  if(!td)
+    goto errno_exit;
+
+  conn->async.port = port;
+  conn->async.done = FALSE;
+  conn->async.status = 0;
+  conn->async.dns = NULL;
+  td->thread_hnd = curl_thread_t_null;
+
+  if(!init_thread_sync_data(td, hostname, port, hints)) {
+    conn->async.os_specific = NULL;
+    free(td);
+    goto errno_exit;
+  }
+
+  free(conn->async.hostname);
+  conn->async.hostname = strdup(hostname);
+  if(!conn->async.hostname)
+    goto err_exit;
+
+  /* The thread will set this to 1 when complete. */
+  td->tsd.done = 0;
+
+#ifdef HAVE_GETADDRINFO
+  td->thread_hnd = Curl_thread_create(getaddrinfo_thread, &td->tsd);
+#else
+  td->thread_hnd = Curl_thread_create(gethostbyname_thread, &td->tsd);
+#endif
+
+  if(!td->thread_hnd) {
+    /* The thread never started, so mark it as done here for proper cleanup. */
+    td->tsd.done = 1;
+    err = errno;
+    goto err_exit;
+  }
+
+  return TRUE;
+
+ err_exit:
+  destroy_async_data(&conn->async);
+
+ errno_exit:
+  errno = err;
+  return FALSE;
+}
+
+/*
+ * resolver_error() calls failf() with the appropriate message after a resolve
+ * error
+ */
+
+static CURLcode resolver_error(struct connectdata *conn)
+{
+  const char *host_or_proxy;
+  CURLcode result;
+
+  if(conn->bits.httpproxy) {
+    host_or_proxy = "proxy";
+    result = CURLE_COULDNT_RESOLVE_PROXY;
+  }
+  else {
+    host_or_proxy = "host";
+    result = CURLE_COULDNT_RESOLVE_HOST;
+  }
+
+  failf(conn->data, "Could not resolve %s: %s", host_or_proxy,
+        conn->async.hostname);
+
+  return result;
+}
+
+/*
+ * Until we gain a way to signal the resolver threads to stop early, we must
+ * simply wait for them and ignore their results.
+ */
+void Curl_resolver_kill(struct connectdata *conn)
+{
+  struct thread_data *td = (struct thread_data*) conn->async.os_specific;
+
+  /* If we're still resolving, we must wait for the threads to fully clean up,
+     unfortunately.  Otherwise, we can simply cancel to clean up any resolver
+     data. */
+  if(td && td->thread_hnd != curl_thread_t_null)
+    (void)Curl_resolver_wait_resolv(conn, NULL);
+  else
+    Curl_resolver_cancel(conn);
+}
+
+/*
+ * Curl_resolver_wait_resolv()
+ *
+ * Waits for a resolve to finish. This function should be avoided since using
+ * this risk getting the multi interface to "hang".
+ *
+ * If 'entry' is non-NULL, make it point to the resolved dns entry
+ *
+ * Returns CURLE_COULDNT_RESOLVE_HOST if the host was not resolved,
+ * CURLE_OPERATION_TIMEDOUT if a time-out occurred, or other errors.
+ *
+ * This is the version for resolves-in-a-thread.
+ */
+CURLcode Curl_resolver_wait_resolv(struct connectdata *conn,
+                                   struct Curl_dns_entry **entry)
+{
+  struct thread_data   *td = (struct thread_data*) conn->async.os_specific;
+  CURLcode result = CURLE_OK;
+
+  DEBUGASSERT(conn && td);
+  DEBUGASSERT(td->thread_hnd != curl_thread_t_null);
+
+  /* wait for the thread to resolve the name */
+  if(Curl_thread_join(&td->thread_hnd)) {
+    if(entry)
+      result = getaddrinfo_complete(conn);
+  }
+  else
+    DEBUGASSERT(0);
+
+  conn->async.done = TRUE;
+
+  if(entry)
+    *entry = conn->async.dns;
+
+  if(!conn->async.dns)
+    /* a name was not resolved, report error */
+    result = resolver_error(conn);
+
+  destroy_async_data(&conn->async);
+
+  if(!conn->async.dns)
+    connclose(conn, "asynch resolve failed");
+
+  return result;
+}
+
+/*
+ * Curl_resolver_is_resolved() is called repeatedly to check if a previous
+ * name resolve request has completed. It should also make sure to time-out if
+ * the operation seems to take too long.
+ */
+CURLcode Curl_resolver_is_resolved(struct connectdata *conn,
+                                   struct Curl_dns_entry **entry)
+{
+  struct Curl_easy *data = conn->data;
+  struct thread_data   *td = (struct thread_data*) conn->async.os_specific;
+  int done = 0;
+
+  *entry = NULL;
+
+  if(!td) {
+    DEBUGASSERT(td);
+    return CURLE_COULDNT_RESOLVE_HOST;
+  }
+
+  Curl_mutex_acquire(td->tsd.mtx);
+  done = td->tsd.done;
+  Curl_mutex_release(td->tsd.mtx);
+
+  if(done) {
+    getaddrinfo_complete(conn);
+
+    if(!conn->async.dns) {
+      CURLcode result = resolver_error(conn);
+      destroy_async_data(&conn->async);
+      return result;
+    }
+    destroy_async_data(&conn->async);
+    *entry = conn->async.dns;
+  }
+  else {
+    /* poll for name lookup done with exponential backoff up to 250ms */
+    timediff_t elapsed = Curl_timediff(Curl_now(),
+                                       data->progress.t_startsingle);
+    if(elapsed < 0)
+      elapsed = 0;
+
+    if(td->poll_interval == 0)
+      /* Start at 1ms poll interval */
+      td->poll_interval = 1;
+    else if(elapsed >= td->interval_end)
+      /* Back-off exponentially if last interval expired  */
+      td->poll_interval *= 2;
+
+    if(td->poll_interval > 250)
+      td->poll_interval = 250;
+
+    td->interval_end = elapsed + td->poll_interval;
+    Curl_expire(conn->data, td->poll_interval, EXPIRE_ASYNC_NAME);
+  }
+
+  return CURLE_OK;
+}
+
+int Curl_resolver_getsock(struct connectdata *conn,
+                          curl_socket_t *socks,
+                          int numsocks)
+{
+  time_t milli;
+  timediff_t ms;
+  struct Curl_easy *data = conn->data;
+  struct resdata *reslv = (struct resdata *)data->state.resolver;
+  (void)socks;
+  (void)numsocks;
+  ms = Curl_timediff(Curl_now(), reslv->start);
+  if(ms < 3)
+    milli = 0;
+  else if(ms <= 50)
+    milli = ms/3;
+  else if(ms <= 250)
+    milli = 50;
+  else
+    milli = 200;
+  Curl_expire(data, milli, EXPIRE_ASYNC_NAME);
+  return 0;
+}
+
+#ifndef HAVE_GETADDRINFO
+/*
+ * Curl_getaddrinfo() - for platforms without getaddrinfo
+ */
+Curl_addrinfo *Curl_resolver_getaddrinfo(struct connectdata *conn,
+                                         const char *hostname,
+                                         int port,
+                                         int *waitp)
+{
+  struct in_addr in;
+  struct Curl_easy *data = conn->data;
+  struct resdata *reslv = (struct resdata *)data->state.resolver;
+
+  *waitp = 0; /* default to synchronous response */
+
+  if(Curl_inet_pton(AF_INET, hostname, &in) > 0)
+    /* This is a dotted IP address 123.123.123.123-style */
+    return Curl_ip2addr(AF_INET, &in, hostname, port);
+
+  reslv->start = Curl_now();
+
+  /* fire up a new resolver thread! */
+  if(init_resolve_thread(conn, hostname, port, NULL)) {
+    *waitp = 1; /* expect asynchronous response */
+    return NULL;
+  }
+
+  failf(conn->data, "getaddrinfo() thread failed\n");
+
+  return NULL;
+}
+
+#else /* !HAVE_GETADDRINFO */
+
+/*
+ * Curl_resolver_getaddrinfo() - for getaddrinfo
+ */
+Curl_addrinfo *Curl_resolver_getaddrinfo(struct connectdata *conn,
+                                         const char *hostname,
+                                         int port,
+                                         int *waitp)
+{
+  struct addrinfo hints;
+  char sbuf[12];
+  int pf = PF_INET;
+  struct Curl_easy *data = conn->data;
+  struct resdata *reslv = (struct resdata *)data->state.resolver;
+
+  *waitp = 0; /* default to synchronous response */
+
+#ifndef USE_RESOLVE_ON_IPS
+  {
+    struct in_addr in;
+    /* First check if this is an IPv4 address string */
+    if(Curl_inet_pton(AF_INET, hostname, &in) > 0)
+      /* This is a dotted IP address 123.123.123.123-style */
+      return Curl_ip2addr(AF_INET, &in, hostname, port);
+  }
+#ifdef CURLRES_IPV6
+  {
+    struct in6_addr in6;
+    /* check if this is an IPv6 address string */
+    if(Curl_inet_pton(AF_INET6, hostname, &in6) > 0)
+      /* This is an IPv6 address literal */
+      return Curl_ip2addr(AF_INET6, &in6, hostname, port);
+  }
+#endif /* CURLRES_IPV6 */
+#endif /* !USE_RESOLVE_ON_IPS */
+
+#ifdef CURLRES_IPV6
+  /*
+   * Check if a limited name resolve has been requested.
+   */
+  switch(conn->ip_version) {
+  case CURL_IPRESOLVE_V4:
+    pf = PF_INET;
+    break;
+  case CURL_IPRESOLVE_V6:
+    pf = PF_INET6;
+    break;
+  default:
+    pf = PF_UNSPEC;
+    break;
+  }
+
+  if((pf != PF_INET) && !Curl_ipv6works())
+    /* The stack seems to be a non-IPv6 one */
+    pf = PF_INET;
+#endif /* CURLRES_IPV6 */
+
+  memset(&hints, 0, sizeof(hints));
+  hints.ai_family = pf;
+  hints.ai_socktype = conn->socktype;
+
+  msnprintf(sbuf, sizeof(sbuf), "%d", port);
+
+  reslv->start = Curl_now();
+  /* fire up a new resolver thread! */
+  if(init_resolve_thread(conn, hostname, port, &hints)) {
+    *waitp = 1; /* expect asynchronous response */
+    return NULL;
+  }
+
+  failf(data, "getaddrinfo() thread failed to start\n");
+  return NULL;
+
+}
+
+#endif /* !HAVE_GETADDRINFO */
+
+CURLcode Curl_set_dns_servers(struct Curl_easy *data,
+                              char *servers)
+{
+  (void)data;
+  (void)servers;
+  return CURLE_NOT_BUILT_IN;
+
+}
+
+CURLcode Curl_set_dns_interface(struct Curl_easy *data,
+                                const char *interf)
+{
+  (void)data;
+  (void)interf;
+  return CURLE_NOT_BUILT_IN;
+}
+
+CURLcode Curl_set_dns_local_ip4(struct Curl_easy *data,
+                                const char *local_ip4)
+{
+  (void)data;
+  (void)local_ip4;
+  return CURLE_NOT_BUILT_IN;
+}
+
+CURLcode Curl_set_dns_local_ip6(struct Curl_easy *data,
+                                const char *local_ip6)
+{
+  (void)data;
+  (void)local_ip6;
+  return CURLE_NOT_BUILT_IN;
+}
+
+#endif /* CURLRES_THREADED */
Index: trunk/src/libs/curl-7.64.0/lib/asyn.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/asyn.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/asyn.h	(revision 85671)
@@ -0,0 +1,184 @@
+#ifndef HEADER_CURL_ASYN_H
+#define HEADER_CURL_ASYN_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+#include "curl_addrinfo.h"
+
+struct addrinfo;
+struct hostent;
+struct Curl_easy;
+struct connectdata;
+struct Curl_dns_entry;
+
+/*
+ * This header defines all functions in the internal asynch resolver interface.
+ * All asynch resolvers need to provide these functions.
+ * asyn-ares.c and asyn-thread.c are the current implementations of asynch
+ * resolver backends.
+ */
+
+/*
+ * Curl_resolver_global_init()
+ *
+ * Called from curl_global_init() to initialize global resolver environment.
+ * Returning anything else than CURLE_OK fails curl_global_init().
+ */
+int Curl_resolver_global_init(void);
+
+/*
+ * Curl_resolver_global_cleanup()
+ * Called from curl_global_cleanup() to destroy global resolver environment.
+ */
+void Curl_resolver_global_cleanup(void);
+
+/*
+ * Curl_resolver_init()
+ * Called from curl_easy_init() -> Curl_open() to initialize resolver
+ * URL-state specific environment ('resolver' member of the UrlState
+ * structure).  Should fill the passed pointer by the initialized handler.
+ * Returning anything else than CURLE_OK fails curl_easy_init() with the
+ * correspondent code.
+ */
+CURLcode Curl_resolver_init(struct Curl_easy *easy, void **resolver);
+
+/*
+ * Curl_resolver_cleanup()
+ * Called from curl_easy_cleanup() -> Curl_close() to cleanup resolver
+ * URL-state specific environment ('resolver' member of the UrlState
+ * structure).  Should destroy the handler and free all resources connected to
+ * it.
+ */
+void Curl_resolver_cleanup(void *resolver);
+
+/*
+ * Curl_resolver_duphandle()
+ * Called from curl_easy_duphandle() to duplicate resolver URL-state specific
+ * environment ('resolver' member of the UrlState structure).  Should
+ * duplicate the 'from' handle and pass the resulting handle to the 'to'
+ * pointer.  Returning anything else than CURLE_OK causes failed
+ * curl_easy_duphandle() call.
+ */
+CURLcode Curl_resolver_duphandle(struct Curl_easy *easy, void **to,
+                                 void *from);
+
+/*
+ * Curl_resolver_cancel().
+ *
+ * It is called from inside other functions to cancel currently performing
+ * resolver request. Should also free any temporary resources allocated to
+ * perform a request.  This never waits for resolver threads to complete.
+ *
+ * It is safe to call this when conn is in any state.
+ */
+void Curl_resolver_cancel(struct connectdata *conn);
+
+/*
+ * Curl_resolver_kill().
+ *
+ * This acts like Curl_resolver_cancel() except it will block until any threads
+ * associated with the resolver are complete.  This never blocks for resolvers
+ * that do not use threads.  This is intended to be the "last chance" function
+ * that cleans up an in-progress resolver completely (before its owner is about
+ * to die).
+ *
+ * It is safe to call this when conn is in any state.
+ */
+void Curl_resolver_kill(struct connectdata *conn);
+
+/* Curl_resolver_getsock()
+ *
+ * This function is called from the multi_getsock() function.  'sock' is a
+ * pointer to an array to hold the file descriptors, with 'numsock' being the
+ * size of that array (in number of entries). This function is supposed to
+ * return bitmask indicating what file descriptors (referring to array indexes
+ * in the 'sock' array) to wait for, read/write.
+ */
+int Curl_resolver_getsock(struct connectdata *conn, curl_socket_t *sock,
+                          int numsocks);
+
+/*
+ * Curl_resolver_is_resolved()
+ *
+ * Called repeatedly to check if a previous name resolve request has
+ * completed. It should also make sure to time-out if the operation seems to
+ * take too long.
+ *
+ * Returns normal CURLcode errors.
+ */
+CURLcode Curl_resolver_is_resolved(struct connectdata *conn,
+                                   struct Curl_dns_entry **dns);
+
+/*
+ * Curl_resolver_wait_resolv()
+ *
+ * Waits for a resolve to finish. This function should be avoided since using
+ * this risk getting the multi interface to "hang".
+ *
+ * If 'entry' is non-NULL, make it point to the resolved dns entry
+ *
+ * Returns CURLE_COULDNT_RESOLVE_HOST if the host was not resolved,
+ * CURLE_OPERATION_TIMEDOUT if a time-out occurred, or other errors.
+ */
+CURLcode Curl_resolver_wait_resolv(struct connectdata *conn,
+                                   struct Curl_dns_entry **dnsentry);
+
+/*
+ * Curl_resolver_getaddrinfo() - when using this resolver
+ *
+ * Returns name information about the given hostname and port number. If
+ * successful, the 'hostent' is returned and the forth argument will point to
+ * memory we need to free after use. That memory *MUST* be freed with
+ * Curl_freeaddrinfo(), nothing else.
+ *
+ * Each resolver backend must of course make sure to return data in the
+ * correct format to comply with this.
+ */
+Curl_addrinfo *Curl_resolver_getaddrinfo(struct connectdata *conn,
+                                         const char *hostname,
+                                         int port,
+                                         int *waitp);
+
+#ifndef CURLRES_ASYNCH
+/* convert these functions if an asynch resolver isn't used */
+#define Curl_resolver_cancel(x) Curl_nop_stmt
+#define Curl_resolver_kill(x) Curl_nop_stmt
+#define Curl_resolver_is_resolved(x,y) CURLE_COULDNT_RESOLVE_HOST
+#define Curl_resolver_wait_resolv(x,y) CURLE_COULDNT_RESOLVE_HOST
+#define Curl_resolver_getsock(x,y,z) 0
+#define Curl_resolver_duphandle(x,y,z) CURLE_OK
+#define Curl_resolver_init(x,y) CURLE_OK
+#define Curl_resolver_global_init() CURLE_OK
+#define Curl_resolver_global_cleanup() Curl_nop_stmt
+#define Curl_resolver_cleanup(x) Curl_nop_stmt
+#endif
+
+#ifdef CURLRES_ASYNCH
+#define Curl_resolver_asynch() 1
+#else
+#define Curl_resolver_asynch() 0
+#endif
+
+
+/********** end of generic resolver interface functions *****************/
+#endif /* HEADER_CURL_ASYN_H */
Index: trunk/src/libs/curl-7.64.0/lib/base64.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/base64.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/base64.c	(revision 85671)
@@ -0,0 +1,319 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* Base64 encoding/decoding */
+
+#include "curl_setup.h"
+#include "urldata.h" /* for the Curl_easy definition */
+#include "warnless.h"
+#include "curl_base64.h"
+#include "non-ascii.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* ---- Base64 Encoding/Decoding Table --- */
+static const char base64[]=
+  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+/* The Base 64 encoding with an URL and filename safe alphabet, RFC 4648
+   section 5 */
+static const char base64url[]=
+  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
+
+static size_t decodeQuantum(unsigned char *dest, const char *src)
+{
+  size_t padding = 0;
+  const char *s, *p;
+  unsigned long i, x = 0;
+
+  for(i = 0, s = src; i < 4; i++, s++) {
+    if(*s == '=') {
+      x = (x << 6);
+      padding++;
+    }
+    else {
+      unsigned long v = 0;
+      p = base64;
+
+      while(*p && (*p != *s)) {
+        v++;
+        p++;
+      }
+
+      if(*p == *s)
+        x = (x << 6) + v;
+      else
+        return 0;
+    }
+  }
+
+  if(padding < 1)
+    dest[2] = curlx_ultouc(x & 0xFFUL);
+
+  x >>= 8;
+  if(padding < 2)
+    dest[1] = curlx_ultouc(x & 0xFFUL);
+
+  x >>= 8;
+  dest[0] = curlx_ultouc(x & 0xFFUL);
+
+  return 3 - padding;
+}
+
+/*
+ * Curl_base64_decode()
+ *
+ * Given a base64 NUL-terminated string at src, decode it and return a
+ * pointer in *outptr to a newly allocated memory area holding decoded
+ * data. Size of decoded data is returned in variable pointed by outlen.
+ *
+ * Returns CURLE_OK on success, otherwise specific error code. Function
+ * output shall not be considered valid unless CURLE_OK is returned.
+ *
+ * When decoded data length is 0, returns NULL in *outptr.
+ *
+ * @unittest: 1302
+ */
+CURLcode Curl_base64_decode(const char *src,
+                            unsigned char **outptr, size_t *outlen)
+{
+  size_t srclen = 0;
+  size_t length = 0;
+  size_t padding = 0;
+  size_t i;
+  size_t numQuantums;
+  size_t rawlen = 0;
+  unsigned char *pos;
+  unsigned char *newstr;
+
+  *outptr = NULL;
+  *outlen = 0;
+  srclen = strlen(src);
+
+  /* Check the length of the input string is valid */
+  if(!srclen || srclen % 4)
+    return CURLE_BAD_CONTENT_ENCODING;
+
+  /* Find the position of any = padding characters */
+  while((src[length] != '=') && src[length])
+    length++;
+
+  /* A maximum of two = padding characters is allowed */
+  if(src[length] == '=') {
+    padding++;
+    if(src[length + 1] == '=')
+      padding++;
+  }
+
+  /* Check the = padding characters weren't part way through the input */
+  if(length + padding != srclen)
+    return CURLE_BAD_CONTENT_ENCODING;
+
+  /* Calculate the number of quantums */
+  numQuantums = srclen / 4;
+
+  /* Calculate the size of the decoded string */
+  rawlen = (numQuantums * 3) - padding;
+
+  /* Allocate our buffer including room for a zero terminator */
+  newstr = malloc(rawlen + 1);
+  if(!newstr)
+    return CURLE_OUT_OF_MEMORY;
+
+  pos = newstr;
+
+  /* Decode the quantums */
+  for(i = 0; i < numQuantums; i++) {
+    size_t result = decodeQuantum(pos, src);
+    if(!result) {
+      free(newstr);
+
+      return CURLE_BAD_CONTENT_ENCODING;
+    }
+
+    pos += result;
+    src += 4;
+  }
+
+  /* Zero terminate */
+  *pos = '\0';
+
+  /* Return the decoded data */
+  *outptr = newstr;
+  *outlen = rawlen;
+
+  return CURLE_OK;
+}
+
+static CURLcode base64_encode(const char *table64,
+                              struct Curl_easy *data,
+                              const char *inputbuff, size_t insize,
+                              char **outptr, size_t *outlen)
+{
+  CURLcode result;
+  unsigned char ibuf[3];
+  unsigned char obuf[4];
+  int i;
+  int inputparts;
+  char *output;
+  char *base64data;
+  char *convbuf = NULL;
+
+  const char *indata = inputbuff;
+
+  *outptr = NULL;
+  *outlen = 0;
+
+  if(!insize)
+    insize = strlen(indata);
+
+#if SIZEOF_SIZE_T == 4
+  if(insize > UINT_MAX/4)
+    return CURLE_OUT_OF_MEMORY;
+#endif
+
+  base64data = output = malloc(insize * 4 / 3 + 4);
+  if(!output)
+    return CURLE_OUT_OF_MEMORY;
+
+  /*
+   * The base64 data needs to be created using the network encoding
+   * not the host encoding.  And we can't change the actual input
+   * so we copy it to a buffer, translate it, and use that instead.
+   */
+  result = Curl_convert_clone(data, indata, insize, &convbuf);
+  if(result) {
+    free(output);
+    return result;
+  }
+
+  if(convbuf)
+    indata = (char *)convbuf;
+
+  while(insize > 0) {
+    for(i = inputparts = 0; i < 3; i++) {
+      if(insize > 0) {
+        inputparts++;
+        ibuf[i] = (unsigned char) *indata;
+        indata++;
+        insize--;
+      }
+      else
+        ibuf[i] = 0;
+    }
+
+    obuf[0] = (unsigned char)  ((ibuf[0] & 0xFC) >> 2);
+    obuf[1] = (unsigned char) (((ibuf[0] & 0x03) << 4) | \
+                               ((ibuf[1] & 0xF0) >> 4));
+    obuf[2] = (unsigned char) (((ibuf[1] & 0x0F) << 2) | \
+                               ((ibuf[2] & 0xC0) >> 6));
+    obuf[3] = (unsigned char)   (ibuf[2] & 0x3F);
+
+    switch(inputparts) {
+    case 1: /* only one byte read */
+      msnprintf(output, 5, "%c%c==",
+                table64[obuf[0]],
+                table64[obuf[1]]);
+      break;
+
+    case 2: /* two bytes read */
+      msnprintf(output, 5, "%c%c%c=",
+                table64[obuf[0]],
+                table64[obuf[1]],
+                table64[obuf[2]]);
+      break;
+
+    default:
+      msnprintf(output, 5, "%c%c%c%c",
+                table64[obuf[0]],
+                table64[obuf[1]],
+                table64[obuf[2]],
+                table64[obuf[3]]);
+      break;
+    }
+    output += 4;
+  }
+
+  /* Zero terminate */
+  *output = '\0';
+
+  /* Return the pointer to the new data (allocated memory) */
+  *outptr = base64data;
+
+  free(convbuf);
+
+  /* Return the length of the new data */
+  *outlen = strlen(base64data);
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_base64_encode()
+ *
+ * Given a pointer to an input buffer and an input size, encode it and
+ * return a pointer in *outptr to a newly allocated memory area holding
+ * encoded data. Size of encoded data is returned in variable pointed by
+ * outlen.
+ *
+ * Input length of 0 indicates input buffer holds a NUL-terminated string.
+ *
+ * Returns CURLE_OK on success, otherwise specific error code. Function
+ * output shall not be considered valid unless CURLE_OK is returned.
+ *
+ * When encoded data length is 0, returns NULL in *outptr.
+ *
+ * @unittest: 1302
+ */
+CURLcode Curl_base64_encode(struct Curl_easy *data,
+                            const char *inputbuff, size_t insize,
+                            char **outptr, size_t *outlen)
+{
+  return base64_encode(base64, data, inputbuff, insize, outptr, outlen);
+}
+
+/*
+ * Curl_base64url_encode()
+ *
+ * Given a pointer to an input buffer and an input size, encode it and
+ * return a pointer in *outptr to a newly allocated memory area holding
+ * encoded data. Size of encoded data is returned in variable pointed by
+ * outlen.
+ *
+ * Input length of 0 indicates input buffer holds a NUL-terminated string.
+ *
+ * Returns CURLE_OK on success, otherwise specific error code. Function
+ * output shall not be considered valid unless CURLE_OK is returned.
+ *
+ * When encoded data length is 0, returns NULL in *outptr.
+ *
+ * @unittest: 1302
+ */
+CURLcode Curl_base64url_encode(struct Curl_easy *data,
+                               const char *inputbuff, size_t insize,
+                               char **outptr, size_t *outlen)
+{
+  return base64_encode(base64url, data, inputbuff, insize, outptr, outlen);
+}
Index: trunk/src/libs/curl-7.64.0/lib/checksrc.pl
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/checksrc.pl	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/checksrc.pl	(revision 85671)
@@ -0,0 +1,756 @@
+#!/usr/bin/env perl
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 2011 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
+
+use strict;
+use warnings;
+
+my $max_column = 79;
+my $indent = 2;
+
+my $warnings = 0;
+my $swarnings = 0;
+my $errors = 0;
+my $serrors = 0;
+my $suppressed; # whitelisted problems
+my $file;
+my $dir=".";
+my $wlist="";
+my @alist;
+my $windows_os = $^O eq 'MSWin32' || $^O eq 'msys' || $^O eq 'cygwin';
+my $verbose;
+my %whitelist;
+
+my %ignore;
+my %ignore_set;
+my %ignore_used;
+my @ignore_line;
+
+my %warnings_extended = (
+    'COPYRIGHTYEAR'    => 'copyright year incorrect',
+    );
+
+my %warnings = (
+    'LONGLINE'         => "Line longer than $max_column",
+    'TABS'             => 'TAB characters not allowed',
+    'TRAILINGSPACE'    => 'Trailing white space on the line',
+    'CPPCOMMENTS'      => '// comment detected',
+    'SPACEBEFOREPAREN' => 'space before an open parenthesis',
+    'SPACEAFTERPAREN'  => 'space after open parenthesis',
+    'SPACEBEFORECLOSE' => 'space before a close parenthesis',
+    'SPACEBEFORECOMMA' => 'space before a comma',
+    'RETURNNOSPACE'    => 'return without space',
+    'COMMANOSPACE'     => 'comma without following space',
+    'BRACEELSE'        => '} else on the same line',
+    'PARENBRACE'       => '){ without sufficient space',
+    'SPACESEMICOLON'   => 'space before semicolon',
+    'BANNEDFUNC'       => 'a banned function was used',
+    'FOPENMODE'        => 'fopen needs a macro for the mode string',
+    'BRACEPOS'         => 'wrong position for an open brace',
+    'INDENTATION'      => 'wrong start column for code',
+    'COPYRIGHT'        => 'file missing a copyright statement',
+    'BADCOMMAND'       => 'bad !checksrc! instruction',
+    'UNUSEDIGNORE'     => 'a warning ignore was not used',
+    'OPENCOMMENT'      => 'file ended with a /* comment still "open"',
+    'ASTERISKSPACE'    => 'pointer declared with space after asterisk',
+    'ASTERISKNOSPACE'  => 'pointer declared without space before asterisk',
+    'ASSIGNWITHINCONDITION' => 'assignment within conditional expression',
+    'EQUALSNOSPACE'    => 'equals sign without following space',
+    'NOSPACEEQUALS'    => 'equals sign without preceding space',
+    'SEMINOSPACE'      => 'semicolon without following space',
+    'MULTISPACE'       => 'multiple spaces used when not suitable',
+    'SIZEOFNOPAREN'    => 'use of sizeof without parentheses',
+    'SNPRINTF'         => 'use of snprintf',
+    );
+
+sub readwhitelist {
+    open(W, "<$dir/checksrc.whitelist") or return;
+    my @all=<W>;
+    for(@all) {
+        $windows_os ? $_ =~ s/\r?\n$// : chomp;
+        $whitelist{$_}=1;
+    }
+    close(W);
+}
+
+# Reads the .checksrc in $dir for any extended warnings to enable locally.
+# Currently there is no support for disabling warnings from the standard set,
+# and since that's already handled via !checksrc! commands there is probably
+# little use to add it.
+sub readlocalfile {
+    my $i = 0;
+
+    open(my $rcfile, "<", "$dir/.checksrc") or return;
+
+    while(<$rcfile>) {
+        $i++;
+
+        # Lines starting with '#' are considered comments
+        if (/^\s*(#.*)/) {
+            next;
+        }
+        elsif (/^\s*enable ([A-Z]+)$/) {
+            if(!defined($warnings_extended{$1})) {
+                print STDERR "invalid warning specified in .checksrc: \"$1\"\n";
+                next;
+            }
+            $warnings{$1} = $warnings_extended{$1};
+        }
+        else {
+            die "Invalid format in $dir/.checksrc on line $i\n";
+        }
+    }
+}
+
+sub checkwarn {
+    my ($name, $num, $col, $file, $line, $msg, $error) = @_;
+
+    my $w=$error?"error":"warning";
+    my $nowarn=0;
+
+    #if(!$warnings{$name}) {
+    #    print STDERR "Dev! there's no description for $name!\n";
+    #}
+
+    # checksrc.whitelist
+    if($whitelist{$line}) {
+        $nowarn = 1;
+    }
+    # !checksrc! controlled
+    elsif($ignore{$name}) {
+        $ignore{$name}--;
+        $ignore_used{$name}++;
+        $nowarn = 1;
+        if(!$ignore{$name}) {
+            # reached zero, enable again
+            enable_warn($name, $num, $file, $line);
+        }
+    }
+
+    if($nowarn) {
+        $suppressed++;
+        if($w) {
+            $swarnings++;
+        }
+        else {
+            $serrors++;
+        }
+        return;
+    }
+
+    if($w) {
+        $warnings++;
+    }
+    else {
+        $errors++;
+    }
+
+    $col++;
+    print "$file:$num:$col: $w: $msg ($name)\n";
+    print " $line\n";
+
+    if($col < 80) {
+        my $pref = (' ' x $col);
+        print "${pref}^\n";
+    }
+}
+
+$file = shift @ARGV;
+
+while(1) {
+
+    if($file =~ /-D(.*)/) {
+        $dir = $1;
+        $file = shift @ARGV;
+        next;
+    }
+    elsif($file =~ /-W(.*)/) {
+        $wlist .= " $1 ";
+        $file = shift @ARGV;
+        next;
+    }
+    elsif($file =~ /-A(.+)/) {
+        push @alist, $1;
+        $file = shift @ARGV;
+        next;
+    }
+    elsif($file =~ /-i([1-9])/) {
+        $indent = $1 + 0;
+        $file = shift @ARGV;
+        next;
+    }
+    elsif($file =~ /-m([0-9]+)/) {
+        $max_column = $1 + 0;
+        $file = shift @ARGV;
+        next;
+    }
+    elsif($file =~ /^(-h|--help)/) {
+        undef $file;
+        last;
+    }
+
+    last;
+}
+
+if(!$file) {
+    print "checksrc.pl [option] <file1> [file2] ...\n";
+    print " Options:\n";
+    print "  -A[rule]  Accept this violation, can be used multiple times\n";
+    print "  -D[DIR]   Directory to prepend file names\n";
+    print "  -h        Show help output\n";
+    print "  -W[file]  Whitelist the given file - ignore all its flaws\n";
+    print "  -i<n>     Indent spaces. Default: 2\n";
+    print "  -m<n>     Maximum line length. Default: 79\n";
+    print "\nDetects and warns for these problems:\n";
+    for(sort keys %warnings) {
+        printf (" %-18s: %s\n", $_, $warnings{$_});
+    }
+    exit;
+}
+
+readwhitelist();
+readlocalfile();
+
+do {
+    if("$wlist" !~ / $file /) {
+        my $fullname = $file;
+        $fullname = "$dir/$file" if ($fullname !~ '^\.?\.?/');
+        scanfile($fullname);
+    }
+    $file = shift @ARGV;
+
+} while($file);
+
+sub accept_violations {
+    for my $r (@alist) {
+        if(!$warnings{$r}) {
+            print "'$r' is not a warning to accept!\n";
+            exit;
+        }
+        $ignore{$r}=999999;
+        $ignore_used{$r}=0;
+    }
+}
+
+sub checksrc_clear {
+    undef %ignore;
+    undef %ignore_set;
+    undef @ignore_line;
+}
+
+sub checksrc_endoffile {
+    my ($file) = @_;
+    for(keys %ignore_set) {
+        if($ignore_set{$_} && !$ignore_used{$_}) {
+            checkwarn("UNUSEDIGNORE", $ignore_set{$_},
+                      length($_)+11, $file,
+                      $ignore_line[$ignore_set{$_}],
+                      "Unused ignore: $_");
+        }
+    }
+}
+
+sub enable_warn {
+    my ($what, $line, $file, $l) = @_;
+
+    # switch it back on, but warn if not triggered!
+    if(!$ignore_used{$what}) {
+        checkwarn("UNUSEDIGNORE",
+                  $line, length($what) + 11, $file, $l,
+                  "No warning was inhibited!");
+    }
+    $ignore_set{$what}=0;
+    $ignore_used{$what}=0;
+    $ignore{$what}=0;
+}
+sub checksrc {
+    my ($cmd, $line, $file, $l) = @_;
+    if($cmd =~ / *([^ ]*) *(.*)/) {
+        my ($enable, $what) = ($1, $2);
+        $what =~ s: *\*/$::; # cut off end of C comment
+        # print "ENABLE $enable WHAT $what\n";
+        if($enable eq "disable") {
+            my ($warn, $scope)=($1, $2);
+            if($what =~ /([^ ]*) +(.*)/) {
+                ($warn, $scope)=($1, $2);
+            }
+            else {
+                $warn = $what;
+                $scope = 1;
+            }
+            # print "IGNORE $warn for SCOPE $scope\n";
+            if($scope eq "all") {
+                $scope=999999;
+            }
+
+            # Comparing for a literal zero rather than the scalar value zero
+            # covers the case where $scope contains the ending '*' from the
+            # comment. If we use a scalar comparison (==) we induce warnings
+            # on non-scalar contents.
+            if($scope eq "0") {
+                checkwarn("BADCOMMAND",
+                          $line, 0, $file, $l,
+                          "Disable zero not supported, did you mean to enable?");
+            }
+            elsif($ignore_set{$warn}) {
+                checkwarn("BADCOMMAND",
+                          $line, 0, $file, $l,
+                          "$warn already disabled from line $ignore_set{$warn}");
+            }
+            else {
+                $ignore{$warn}=$scope;
+                $ignore_set{$warn}=$line;
+                $ignore_line[$line]=$l;
+            }
+        }
+        elsif($enable eq "enable") {
+            enable_warn($what, $line, $file, $l);
+        }
+        else {
+            checkwarn("BADCOMMAND",
+                      $line, 0, $file, $l,
+                      "Illegal !checksrc! command");
+        }
+    }
+}
+
+sub nostrings {
+    my ($str) = @_;
+    $str =~ s/\".*\"//g;
+    return $str;
+}
+
+sub scanfile {
+    my ($file) = @_;
+
+    my $line = 1;
+    my $prevl="";
+    my $l;
+    open(R, "<$file") || die "failed to open $file";
+
+    my $incomment=0;
+    my @copyright=();
+    checksrc_clear(); # for file based ignores
+    accept_violations();
+
+    while(<R>) {
+        $windows_os ? $_ =~ s/\r?\n$// : chomp;
+        my $l = $_;
+        my $ol = $l; # keep the unmodified line for error reporting
+        my $column = 0;
+
+        # check for !checksrc! commands
+        if($l =~ /\!checksrc\! (.*)/) {
+            my $cmd = $1;
+            checksrc($cmd, $line, $file, $l)
+        }
+
+        # check for a copyright statement and save the years
+        if($l =~ /\* +copyright .* \d\d\d\d/i) {
+            while($l =~ /([\d]{4})/g) {
+                push @copyright, {
+                  year => $1,
+                  line => $line,
+                  col => index($l, $1),
+                  code => $l
+                };
+            }
+        }
+
+        # detect long lines
+        if(length($l) > $max_column) {
+            checkwarn("LONGLINE", $line, length($l), $file, $l,
+                      "Longer than $max_column columns");
+        }
+        # detect TAB characters
+        if($l =~ /^(.*)\t/) {
+            checkwarn("TABS",
+                      $line, length($1), $file, $l, "Contains TAB character", 1);
+        }
+        # detect trailing white space
+        if($l =~ /^(.*)[ \t]+\z/) {
+            checkwarn("TRAILINGSPACE",
+                      $line, length($1), $file, $l, "Trailing whitespace");
+        }
+
+        # ------------------------------------------------------------
+        # Above this marker, the checks were done on lines *including*
+        # comments
+        # ------------------------------------------------------------
+
+        # strip off C89 comments
+
+      comment:
+        if(!$incomment) {
+            if($l =~ s/\/\*.*\*\// /g) {
+                # full /* comments */ were removed!
+            }
+            if($l =~ s/\/\*.*//) {
+                # start of /* comment was removed
+                $incomment = 1;
+            }
+        }
+        else {
+            if($l =~ s/.*\*\///) {
+                # end of comment */ was removed
+                $incomment = 0;
+                goto comment;
+            }
+            else {
+                # still within a comment
+                $l="";
+            }
+        }
+
+        # ------------------------------------------------------------
+        # Below this marker, the checks were done on lines *without*
+        # comments
+        # ------------------------------------------------------------
+
+        # crude attempt to detect // comments without too many false
+        # positives
+        if($l =~ /^([^"\*]*)[^:"]\/\//) {
+            checkwarn("CPPCOMMENTS",
+                      $line, length($1), $file, $l, "\/\/ comment");
+        }
+
+        my $nostr = nostrings($l);
+        # check spaces after for/if/while/function call
+        if($nostr =~ /^(.*)(for|if|while| ([a-zA-Z0-9_]+)) \((.)/) {
+            if($1 =~ / *\#/) {
+                # this is a #if, treat it differently
+            }
+            elsif(defined $3 && $3 eq "return") {
+                # return must have a space
+            }
+            elsif(defined $3 && $3 eq "case") {
+                # case must have a space
+            }
+            elsif($4 eq "*") {
+                # (* beginning makes the space OK!
+            }
+            elsif($1 =~ / *typedef/) {
+                # typedefs can use space-paren
+            }
+            else {
+                checkwarn("SPACEBEFOREPAREN", $line, length($1)+length($2), $file, $l,
+                          "$2 with space");
+            }
+        }
+
+        if($nostr =~ /^((.*)(if) *\()(.*)\)/) {
+            my $pos = length($1);
+            if($4 =~ / = /) {
+                checkwarn("ASSIGNWITHINCONDITION",
+                          $line, $pos+1, $file, $l,
+                          "assignment within conditional expression");
+            }
+        }
+        # check spaces after open parentheses
+        if($l =~ /^(.*[a-z])\( /i) {
+            checkwarn("SPACEAFTERPAREN",
+                      $line, length($1)+1, $file, $l,
+                      "space after open parenthesis");
+        }
+
+        # check spaces before close parentheses, unless it was a space or a
+        # close parenthesis!
+        if($l =~ /(.*[^\) ]) \)/) {
+            checkwarn("SPACEBEFORECLOSE",
+                      $line, length($1)+1, $file, $l,
+                      "space before close parenthesis");
+        }
+
+        # check spaces before comma!
+        if($l =~ /(.*[^ ]) ,/) {
+            checkwarn("SPACEBEFORECOMMA",
+                      $line, length($1)+1, $file, $l,
+                      "space before comma");
+        }
+
+        # check for "return(" without space
+        if($l =~ /^(.*)return\(/) {
+            if($1 =~ / *\#/) {
+                # this is a #if, treat it differently
+            }
+            else {
+                checkwarn("RETURNNOSPACE", $line, length($1)+6, $file, $l,
+                          "return without space before paren");
+            }
+        }
+
+        # check for "sizeof" without parenthesis
+        if(($l =~ /^(.*)sizeof *([ (])/) && ($2 ne "(")) {
+            if($1 =~ / *\#/) {
+                # this is a #if, treat it differently
+            }
+            else {
+                checkwarn("SIZEOFNOPAREN", $line, length($1)+6, $file, $l,
+                          "sizeof without parenthesis");
+            }
+        }
+
+        # check for comma without space
+        if($l =~ /^(.*),[^ \n]/) {
+            my $pref=$1;
+            my $ign=0;
+            if($pref =~ / *\#/) {
+                # this is a #if, treat it differently
+                $ign=1;
+            }
+            elsif($pref =~ /\/\*/) {
+                # this is a comment
+                $ign=1;
+            }
+            elsif($pref =~ /[\"\']/) {
+                $ign = 1;
+                # There is a quote here, figure out whether the comma is
+                # within a string or '' or not.
+                if($pref =~ /\"/) {
+                    # within a string
+                }
+                elsif($pref =~ /\'$/) {
+                    # a single letter
+                }
+                else {
+                    $ign = 0;
+                }
+            }
+            if(!$ign) {
+                checkwarn("COMMANOSPACE", $line, length($pref)+1, $file, $l,
+                          "comma without following space");
+            }
+        }
+
+        # check for "} else"
+        if($l =~ /^(.*)\} *else/) {
+            checkwarn("BRACEELSE",
+                      $line, length($1), $file, $l, "else after closing brace on same line");
+        }
+        # check for "){"
+        if($l =~ /^(.*)\)\{/) {
+            checkwarn("PARENBRACE",
+                      $line, length($1)+1, $file, $l, "missing space after close paren");
+        }
+
+        # check for space before the semicolon last in a line
+        if($l =~ /^(.*[^ ].*) ;$/) {
+            checkwarn("SPACESEMICOLON",
+                      $line, length($1), $file, $ol, "space before last semicolon");
+        }
+
+        # scan for use of banned functions
+        if($l =~ /^(.*\W)
+                   (gets|
+                    strtok|
+                    v?sprintf|
+                    (str|_mbs|_tcs|_wcs)n?cat|
+                    LoadLibrary(Ex)?(A|W)?)
+                   \s*\(
+                 /x) {
+            checkwarn("BANNEDFUNC",
+                      $line, length($1), $file, $ol,
+                      "use of $2 is banned");
+        }
+
+        # scan for use of snprintf for curl-internals reasons
+        if($l =~ /^(.*\W)(v?snprintf)\s*\(/x) {
+            checkwarn("SNPRINTF",
+                      $line, length($1), $file, $ol,
+                      "use of $2 is banned");
+        }
+
+        # scan for use of non-binary fopen without the macro
+        if($l =~ /^(.*\W)fopen\s*\([^,]*, *\"([^"]*)/) {
+            my $mode = $2;
+            if($mode !~ /b/) {
+                checkwarn("FOPENMODE",
+                          $line, length($1), $file, $ol,
+                          "use of non-binary fopen without FOPEN_* macro: $mode");
+            }
+        }
+
+        # check for open brace first on line but not first column
+        # only alert if previous line ended with a close paren and wasn't a cpp
+        # line
+        if((($prevl =~ /\)\z/) && ($prevl !~ /^ *#/)) && ($l =~ /^( +)\{/)) {
+            checkwarn("BRACEPOS",
+                      $line, length($1), $file, $ol, "badly placed open brace");
+        }
+
+        # if the previous line starts with if/while/for AND ends with an open
+        # brace, or an else statement, check that this line is indented $indent
+        # more steps, if not a cpp line
+        if($prevl =~ /^( *)((if|while|for)\(.*\{|else)\z/) {
+            my $first = length($1);
+
+            # this line has some character besides spaces
+            if(($l !~ /^ *#/) && ($l =~ /^( *)[^ ]/)) {
+                my $second = length($1);
+                my $expect = $first+$indent;
+                if($expect != $second) {
+                    my $diff = $second - $first;
+                    checkwarn("INDENTATION", $line, length($1), $file, $ol,
+                              "not indented $indent steps (uses $diff)");
+
+                }
+            }
+        }
+
+        # check for 'char * name'
+        if(($l =~ /(^.*(char|int|long|void|curl_slist|CURL|CURLM|CURLMsg|curl_httppost) *(\*+)) (\w+)/) && ($4 ne "const")) {
+            checkwarn("ASTERISKNOSPACE",
+                      $line, length($1), $file, $ol,
+                      "no space after declarative asterisk");
+        }
+        # check for 'char*'
+        if(($l =~ /(^.*(char|int|long|void|curl_slist|CURL|CURLM|CURLMsg|curl_httppost|sockaddr_in|FILE)\*)/)) {
+            checkwarn("ASTERISKNOSPACE",
+                      $line, length($1)-1, $file, $ol,
+                      "no space before asterisk");
+        }
+
+        # check for 'void func() {', but avoid false positives by requiring
+        # both an open and closed parentheses before the open brace
+        if($l =~ /^((\w).*)\{\z/) {
+            my $k = $1;
+            $k =~ s/const *//;
+            $k =~ s/static *//;
+            if($k =~ /\(.*\)/) {
+                checkwarn("BRACEPOS",
+                          $line, length($l)-1, $file, $ol,
+                          "wrongly placed open brace");
+            }
+        }
+
+        # check for equals sign without spaces next to it
+        if($nostr =~ /(.*)\=[a-z0-9]/i) {
+            checkwarn("EQUALSNOSPACE",
+                      $line, length($1)+1, $file, $ol,
+                      "no space after equals sign");
+        }
+        # check for equals sign without spaces before it
+        elsif($nostr =~ /(.*)[a-z0-9]\=/i) {
+            checkwarn("NOSPACEEQUALS",
+                      $line, length($1)+1, $file, $ol,
+                      "no space before equals sign");
+        }
+
+        # check for plus signs without spaces next to it
+        if($nostr =~ /(.*)[^+]\+[a-z0-9]/i) {
+            checkwarn("PLUSNOSPACE",
+                      $line, length($1)+1, $file, $ol,
+                      "no space after plus sign");
+        }
+        # check for plus sign without spaces before it
+        elsif($nostr =~ /(.*)[a-z0-9]\+[^+]/i) {
+            checkwarn("NOSPACEPLUS",
+                      $line, length($1)+1, $file, $ol,
+                      "no space before plus sign");
+        }
+
+        # check for semicolons without space next to it
+        if($nostr =~ /(.*)\;[a-z0-9]/i) {
+            checkwarn("SEMINOSPACE",
+                      $line, length($1)+1, $file, $ol,
+                      "no space after semicolon");
+        }
+
+        # check for more than one consecutive space before open brace or
+        # question mark. Skip lines containing strings since they make it hard
+        # due to artificially getting multiple spaces
+        if(($l eq $nostr) &&
+           $nostr =~ /^(.*(\S)) + [{?]/i) {
+            checkwarn("MULTISPACE",
+                      $line, length($1)+1, $file, $ol,
+                      "multiple space");
+            print STDERR "L: $l\n";
+            print STDERR "nostr: $nostr\n";
+        }
+
+        $line++;
+        $prevl = $ol;
+    }
+
+    if(!scalar(@copyright)) {
+        checkwarn("COPYRIGHT", 1, 0, $file, "", "Missing copyright statement", 1);
+    }
+
+    # COPYRIGHTYEAR is a extended warning so we must first see if it has been
+    # enabled in .checksrc
+    if(defined($warnings{"COPYRIGHTYEAR"})) {
+        # The check for updated copyrightyear is overly complicated in order to
+        # not punish current hacking for past sins. The copyright years are
+        # right now a bit behind, so enforcing copyright year checking on all
+        # files would cause hundreds of errors. Instead we only look at files
+        # which are tracked in the Git repo and edited in the workdir, or
+        # committed locally on the branch without being in upstream master.
+        #
+        # The simple and naive test is to simply check for the current year,
+        # but updating the year even without an edit is against project policy
+        # (and it would fail every file on January 1st).
+        #
+        # A rather more interesting, and correct, check would be to not test
+        # only locally committed files but inspect all files wrt the year of
+        # their last commit. Removing the `git rev-list origin/master..HEAD`
+        # condition below will enfore copyright year checks against the year
+        # the file was last committed (and thus edited to some degree).
+        my $commityear = undef;
+        @copyright = sort {$$b{year} cmp $$a{year}} @copyright;
+
+        if(`git status -s -- $file` =~ /^ [MARCU]/) {
+            $commityear = (localtime(time))[5] + 1900;
+        }
+        elsif (`git rev-list --count origin/master..HEAD -- $file` !~ /^0/) {
+            my $grl = `git rev-list --max-count=1 --timestamp HEAD -- $file`;
+            $commityear = (localtime((split(/ /, $grl))[0]))[5] + 1900;
+        }
+
+        if(defined($commityear) && scalar(@copyright) &&
+           $copyright[0]{year} != $commityear) {
+            checkwarn("COPYRIGHTYEAR", $copyright[0]{line}, $copyright[0]{col},
+                      $file, $copyright[0]{code},
+                      "Copyright year out of date, should be $commityear, " .
+                      "is $copyright[0]{year}", 1);
+        }
+    }
+
+    if($incomment) {
+        checkwarn("OPENCOMMENT", 1, 0, $file, "", "Missing closing comment", 1);
+    }
+
+    checksrc_endoffile($file);
+
+    close(R);
+
+}
+
+
+if($errors || $warnings || $verbose) {
+    printf "checksrc: %d errors and %d warnings\n", $errors, $warnings;
+    if($suppressed) {
+        printf "checksrc: %d errors and %d warnings suppressed\n",
+        $serrors,
+        $swarnings;
+    }
+    exit 5; # return failure
+}
Index: trunk/src/libs/curl-7.64.0/lib/config-amigaos.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/config-amigaos.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/config-amigaos.h	(revision 85671)
@@ -0,0 +1,166 @@
+#ifndef HEADER_CURL_CONFIG_AMIGAOS_H
+#define HEADER_CURL_CONFIG_AMIGAOS_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* ================================================================ */
+/*               Hand crafted config file for AmigaOS               */
+/* ================================================================ */
+
+#ifdef __AMIGA__ /* Any AmigaOS flavour */
+
+#define HAVE_ARPA_INET_H 1
+#define HAVE_CLOSESOCKET_CAMEL 1
+#define HAVE_ERRNO_H 1
+#define HAVE_GETHOSTBYADDR 1
+#define HAVE_INET_ADDR 1
+#define HAVE_INTTYPES_H 1
+#define HAVE_IOCTLSOCKET_CAMEL 1
+#define HAVE_IOCTLSOCKET_CAMEL_FIONBIO 1
+#define HAVE_LIBCRYPTO 1
+#define HAVE_LIBSSL 1
+#define HAVE_LIBZ 1
+#define HAVE_LONGLONG 1
+#define HAVE_MALLOC_H 1
+#define HAVE_MEMORY_H 1
+#define HAVE_NETDB_H 1
+#define HAVE_NETINET_IN_H 1
+#define HAVE_NET_IF_H 1
+#define HAVE_OPENSSL_CRYPTO_H 1
+#define HAVE_OPENSSL_ERR_H 1
+#define HAVE_OPENSSL_PEM_H 1
+#define HAVE_OPENSSL_RSA_H 1
+#define HAVE_OPENSSL_SSL_H 1
+#define HAVE_OPENSSL_X509_H 1
+#define HAVE_PERROR 1
+#define HAVE_PWD_H 1
+#define HAVE_RAND_EGD 1
+#define HAVE_RAND_STATUS 1
+#define HAVE_SELECT 1
+#define HAVE_SETJMP_H 1
+#define HAVE_SGTTY_H 1
+#define HAVE_SIGNAL 1
+#define HAVE_SIGNAL_H 1
+#define HAVE_SIG_ATOMIC_T 1
+#define HAVE_SOCKET 1
+#define HAVE_STRCASECMP 1
+#define HAVE_STRDUP 1
+#define HAVE_STRFTIME 1
+#define HAVE_STRICMP 1
+#define HAVE_STRINGS_H 1
+#define HAVE_STRING_H 1
+#define HAVE_STRSTR 1
+#define HAVE_STRUCT_TIMEVAL 1
+#define HAVE_SYS_PARAM_H 1
+#define HAVE_SYS_SOCKET_H 1
+#define HAVE_SYS_SOCKIO_H 1
+#define HAVE_SYS_STAT_H 1
+#define HAVE_SYS_TIME_H 1
+#define HAVE_SYS_TYPES_H 1
+#define HAVE_TIME_H 1
+#define HAVE_UNAME 1
+#define HAVE_UNISTD_H 1
+#define HAVE_UTIME 1
+#define HAVE_UTIME_H 1
+#define HAVE_WRITABLE_ARGV 1
+#define HAVE_ZLIB_H 1
+#define HAVE_SYS_IOCTL_H 1
+
+#define NEED_MALLOC_H 1
+
+#define SIZEOF_INT 4
+#define SIZEOF_SHORT 2
+#define SIZEOF_SIZE_T 4
+
+#define USE_MANUAL 1
+#define USE_OPENSSL 1
+#define CURL_DISABLE_LDAP 1
+
+#define OS "AmigaOS"
+
+#define PACKAGE "curl"
+#define PACKAGE_BUGREPORT "a suitable mailing list: https://curl.haxx.se/mail/"
+#define PACKAGE_NAME "curl"
+#define PACKAGE_STRING "curl -"
+#define PACKAGE_TARNAME "curl"
+#define PACKAGE_VERSION "-"
+#define CURL_CA_BUNDLE "s:curl-ca-bundle.crt"
+
+#define RETSIGTYPE void
+#define SELECT_TYPE_ARG1 int
+#define SELECT_TYPE_ARG234 (fd_set *)
+#define SELECT_TYPE_ARG5 (struct timeval *)
+
+#define STDC_HEADERS 1
+#define TIME_WITH_SYS_TIME 1
+
+#define in_addr_t int
+
+#ifndef F_OK
+#  define F_OK 0
+#endif
+
+#ifndef O_RDONLY
+#  define O_RDONLY 0x0000
+#endif
+
+#ifndef LONG_MAX
+#  define LONG_MAX 0x7fffffffL
+#endif
+
+#ifndef LONG_MIN
+#  define LONG_MIN (-0x7fffffffL-1)
+#endif
+
+#define HAVE_GETNAMEINFO 1
+#define GETNAMEINFO_QUAL_ARG1 const
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+#define GETNAMEINFO_TYPE_ARG2 int
+#define GETNAMEINFO_TYPE_ARG46 size_t
+#define GETNAMEINFO_TYPE_ARG7 int
+
+#define HAVE_RECV 1
+#define RECV_TYPE_ARG1 long
+#define RECV_TYPE_ARG2 char *
+#define RECV_TYPE_ARG3 long
+#define RECV_TYPE_ARG4 long
+#define RECV_TYPE_RETV long
+
+#define HAVE_RECVFROM 1
+#define RECVFROM_TYPE_ARG1 long
+#define RECVFROM_TYPE_ARG2 char
+#define RECVFROM_TYPE_ARG3 long
+#define RECVFROM_TYPE_ARG4 long
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+#define RECVFROM_TYPE_ARG6 long
+#define RECVFROM_TYPE_RETV long
+
+#define HAVE_SEND 1
+#define SEND_TYPE_ARG1 int
+#define SEND_QUAL_ARG2 const
+#define SEND_TYPE_ARG2 char *
+#define SEND_TYPE_ARG3 int
+#define SEND_TYPE_ARG4 int
+#define SEND_TYPE_RETV int
+
+#endif /* __AMIGA__ */
+#endif /* HEADER_CURL_CONFIG_AMIGAOS_H */
Index: trunk/src/libs/curl-7.64.0/lib/config-dos.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/config-dos.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/config-dos.h	(revision 85671)
@@ -0,0 +1,183 @@
+#ifndef HEADER_CURL_CONFIG_DOS_H
+#define HEADER_CURL_CONFIG_DOS_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+
+/* ================================================================ */
+/*       lib/config-dos.h - Hand crafted config file for DOS        */
+/* ================================================================ */
+
+#if defined(DJGPP)
+  #define OS  "MSDOS/djgpp"
+#elif defined(__HIGHC__)
+  #define OS  "MSDOS/HighC"
+#elif defined(__WATCOMC__)
+  #define OS  "MSDOS/Watcom"
+#else
+  #define OS  "MSDOS/?"
+#endif
+
+#define PACKAGE  "curl"
+
+#define HAVE_ARPA_INET_H       1
+#define HAVE_ASSERT_H          1
+#define HAVE_ERRNO_H           1
+#define HAVE_FCNTL_H           1
+#define HAVE_FREEADDRINFO      1
+#define HAVE_GETADDRINFO       1
+#define HAVE_GETNAMEINFO       1
+#define HAVE_GETPROTOBYNAME    1
+#define HAVE_GETTIMEOFDAY      1
+#define HAVE_IO_H              1
+#define HAVE_IOCTL             1
+#define HAVE_IOCTL_FIONBIO     1
+#define HAVE_IOCTLSOCKET       1
+#define HAVE_IOCTLSOCKET_FIONBIO   1
+#define HAVE_LOCALE_H          1
+#define HAVE_LONGLONG          1
+#define HAVE_MEMORY_H          1
+#define HAVE_NETDB_H           1
+#define HAVE_NETINET_IN_H      1
+#define HAVE_NETINET_TCP_H     1
+#define HAVE_NET_IF_H          1
+#define HAVE_PROCESS_H         1
+#define HAVE_RECV              1
+#define HAVE_RECVFROM          1
+#define HAVE_SELECT            1
+#define HAVE_SEND              1
+#define HAVE_SETJMP_H          1
+#define HAVE_SETLOCALE         1
+#define HAVE_SETMODE           1
+#define HAVE_SIGNAL            1
+#define HAVE_SOCKET            1
+#define HAVE_STRDUP            1
+#define HAVE_STRICMP           1
+#define HAVE_STRTOLL           1
+#define HAVE_STRUCT_TIMEVAL    1
+#define HAVE_STRUCT_IN6_ADDR   1
+#define HAVE_SYS_IOCTL_H       1
+#define HAVE_SYS_SOCKET_H      1
+#define HAVE_SYS_STAT_H        1
+#define HAVE_SYS_TYPES_H       1
+#define HAVE_TIME_H            1
+#define HAVE_UNISTD_H          1
+
+#define NEED_MALLOC_H          1
+
+#define RETSIGTYPE             void
+#define SIZEOF_INT             4
+#define SIZEOF_LONG            4
+#define SIZEOF_LONG_DOUBLE     16
+#define SIZEOF_SHORT           2
+#define SIZEOF_SIZE_T          4
+#define SIZEOF_CURL_OFF_T      4
+#define STDC_HEADERS           1
+#define TIME_WITH_SYS_TIME     1
+
+/* Qualifiers for send(), recv(), recvfrom() and getnameinfo(). */
+
+#define SEND_TYPE_ARG1         int
+#define SEND_QUAL_ARG2         const
+#define SEND_TYPE_ARG2         void *
+#define SEND_TYPE_ARG3         int
+#define SEND_TYPE_ARG4         int
+#define SEND_TYPE_RETV         int
+
+#define RECV_TYPE_ARG1         int
+#define RECV_TYPE_ARG2         void *
+#define RECV_TYPE_ARG3         int
+#define RECV_TYPE_ARG4         int
+#define RECV_TYPE_RETV         int
+
+#define RECVFROM_TYPE_ARG1     int
+#define RECVFROM_TYPE_ARG2     void
+#define RECVFROM_TYPE_ARG3     int
+#define RECVFROM_TYPE_ARG4     int
+#define RECVFROM_TYPE_ARG5     struct sockaddr
+#define RECVFROM_TYPE_ARG6     int
+#define RECVFROM_TYPE_RETV     int
+#define RECVFROM_TYPE_ARG2_IS_VOID 1
+
+#define GETNAMEINFO_QUAL_ARG1  const
+#define GETNAMEINFO_TYPE_ARG1  struct sockaddr *
+#define GETNAMEINFO_TYPE_ARG2  int
+#define GETNAMEINFO_TYPE_ARG46 int
+#define GETNAMEINFO_TYPE_ARG7  int
+
+#define BSD
+
+/* CURLDEBUG definition enables memory tracking */
+/* #define CURLDEBUG */
+
+/* USE_ZLIB on cmd-line */
+#ifdef USE_ZLIB
+  #define HAVE_ZLIB_H            1
+  #define HAVE_LIBZ              1
+#endif
+
+/* USE_OPENSSL on cmd-line */
+#ifdef USE_OPENSSL
+  #define HAVE_CRYPTO_CLEANUP_ALL_EX_DATA 1
+  #define HAVE_OPENSSL_ENGINE_H  1
+  #define OPENSSL_NO_KRB5        1
+#endif
+
+/* to disable LDAP */
+#define CURL_DISABLE_LDAP        1
+
+#define in_addr_t  u_long
+
+#if defined(__HIGHC__) || \
+    (defined(__GNUC__) && (__GNUC__ < 4))
+  #define ssize_t  int
+#endif
+
+#define CURL_CA_BUNDLE  getenv("CURL_CA_BUNDLE")
+
+/* Target HAVE_x section */
+
+#if defined(DJGPP)
+  #define HAVE_BASENAME   1
+  #define HAVE_STRCASECMP 1
+  #define HAVE_SIGACTION  1
+  #define HAVE_SIGSETJMP  1
+  #define HAVE_SYS_TIME_H 1
+  #define HAVE_TERMIOS_H  1
+  #define HAVE_VARIADIC_MACROS_GCC 1
+
+#elif defined(__WATCOMC__)
+  #define HAVE_STRCASECMP 1
+
+#elif defined(__HIGHC__)
+  #define HAVE_SYS_TIME_H 1
+  #define strerror(e) strerror_s_((e))
+#endif
+
+#ifdef MSDOS  /* Watt-32 */
+  #define HAVE_CLOSE_S    1
+#endif
+
+#undef word
+#undef byte
+
+#endif /* HEADER_CURL_CONFIG_DOS_H */
Index: trunk/src/libs/curl-7.64.0/lib/config-mac.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/config-mac.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/config-mac.h	(revision 85671)
@@ -0,0 +1,125 @@
+#ifndef HEADER_CURL_CONFIG_MAC_H
+#define HEADER_CURL_CONFIG_MAC_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* =================================================================== */
+/*                Hand crafted config file for Mac OS 9                */
+/* =================================================================== */
+/*  On Mac OS X you must run configure to generate curl_config.h file  */
+/* =================================================================== */
+
+#define OS "mac"
+
+/* Define if you want the built-in manual */
+#define USE_MANUAL              1
+
+#define HAVE_ERRNO_H            1
+#define HAVE_NETINET_IN_H       1
+#define HAVE_SYS_SOCKET_H       1
+#define HAVE_SYS_SELECT_H       1
+#define HAVE_NETDB_H            1
+#define HAVE_ARPA_INET_H        1
+#define HAVE_UNISTD_H           1
+#define HAVE_NET_IF_H           1
+#define HAVE_SYS_TYPES_H        1
+#define HAVE_GETTIMEOFDAY       1
+#define HAVE_FCNTL_H            1
+#define HAVE_SYS_STAT_H         1
+#define HAVE_ALLOCA_H           1
+#define HAVE_STDLIB_H           1
+#define HAVE_TIME_H             1
+#define HAVE_UTIME_H            1
+#define HAVE_SYS_TIME_H         1
+#define HAVE_SYS_UTIME_H        1
+
+#define TIME_WITH_SYS_TIME      1
+
+#define HAVE_ALARM              1
+#define HAVE_FTRUNCATE          1
+#define HAVE_UTIME              1
+#define HAVE_SETVBUF            1
+#define HAVE_STRFTIME           1
+#define HAVE_INET_ADDR          1
+#define HAVE_MEMCPY             1
+#define HAVE_SELECT             1
+#define HAVE_SOCKET             1
+#define HAVE_STRUCT_TIMEVAL     1
+
+#define HAVE_SIGACTION          1
+#define HAVE_SIGNAL_H           1
+#define HAVE_SIG_ATOMIC_T       1
+
+#ifdef MACOS_SSL_SUPPORT
+#  define USE_OPENSSL           1
+#endif
+
+#define CURL_DISABLE_LDAP       1
+
+#define HAVE_RAND_STATUS        1
+#define HAVE_RAND_EGD           1
+
+#define HAVE_IOCTL              1
+#define HAVE_IOCTL_FIONBIO      1
+
+#define RETSIGTYPE void
+
+#define SIZEOF_INT              4
+#define SIZEOF_SHORT            2
+#define SIZEOF_SIZE_T           4
+
+#define HAVE_GETNAMEINFO 1
+#define GETNAMEINFO_QUAL_ARG1 const
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+#define GETNAMEINFO_TYPE_ARG46 size_t
+#define GETNAMEINFO_TYPE_ARG7 int
+
+#define HAVE_RECV 1
+#define RECV_TYPE_ARG1 int
+#define RECV_TYPE_ARG2 void *
+#define RECV_TYPE_ARG3 size_t
+#define RECV_TYPE_ARG4 int
+#define RECV_TYPE_RETV ssize_t
+
+#define HAVE_RECVFROM 1
+#define RECVFROM_TYPE_ARG1 int
+#define RECVFROM_TYPE_ARG2 void
+#define RECVFROM_TYPE_ARG3 size_t
+#define RECVFROM_TYPE_ARG4 int
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+#define RECVFROM_TYPE_ARG6 int
+#define RECVFROM_TYPE_RETV ssize_t
+#define RECVFROM_TYPE_ARG2_IS_VOID 1
+
+#define HAVE_SEND 1
+#define SEND_TYPE_ARG1 int
+#define SEND_QUAL_ARG2 const
+#define SEND_TYPE_ARG2 void *
+#define SEND_TYPE_ARG3 size_T
+#define SEND_TYPE_ARG4 int
+#define SEND_TYPE_RETV ssize_t
+
+#define HAVE_EXTRA_STRICMP_H 1
+#define HAVE_EXTRA_STRDUP_H  1
+
+#endif /* HEADER_CURL_CONFIG_MAC_H */
Index: trunk/src/libs/curl-7.64.0/lib/config-os400.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/config-os400.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/config-os400.h	(revision 85671)
@@ -0,0 +1,569 @@
+#ifndef HEADER_CURL_CONFIG_OS400_H
+#define HEADER_CURL_CONFIG_OS400_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* ================================================================ */
+/*                Hand crafted config file for OS/400               */
+/* ================================================================ */
+
+#pragma enum(int)
+
+#undef PACKAGE
+
+/* Version number of this archive. */
+#undef VERSION
+
+/* Define if you have the getpass function.  */
+#undef HAVE_GETPASS
+
+/* Define cpu-machine-OS */
+#define OS "OS/400"
+
+/* Define if you have the gethostbyaddr_r() function with 5 arguments */
+#define HAVE_GETHOSTBYADDR_R_5
+
+/* Define if you have the gethostbyaddr_r() function with 7 arguments */
+#undef HAVE_GETHOSTBYADDR_R_7
+
+/* Define if you have the gethostbyaddr_r() function with 8 arguments */
+#undef HAVE_GETHOSTBYADDR_R_8
+
+/* OS400 supports a 3-argument ASCII version of gethostbyaddr_r(), but its
+ *  prototype is incompatible with the "standard" one (1st argument is not
+ *  const). However, getaddrinfo() is supported (ASCII version defined as
+ *  a local wrapper in setup-os400.h) in a threadsafe way: we can then
+ *  configure getaddrinfo() as such and get rid of gethostbyname_r() without
+ *  loss of threadsafeness. */
+#undef HAVE_GETHOSTBYNAME_R
+#undef HAVE_GETHOSTBYNAME_R_3
+#undef HAVE_GETHOSTBYNAME_R_5
+#undef HAVE_GETHOSTBYNAME_R_6
+#define HAVE_GETADDRINFO
+#define HAVE_GETADDRINFO_THREADSAFE
+
+/* Define if you need the _REENTRANT define for some functions */
+#undef NEED_REENTRANT
+
+/* Define if you have the Kerberos4 libraries (including -ldes) */
+#undef HAVE_KRB4
+
+/* Define if you want to enable IPv6 support */
+#define ENABLE_IPV6
+
+/* Define if struct sockaddr_in6 has the sin6_scope_id member */
+#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+/* Define this to 'int' if ssize_t is not an available typedefed type */
+#undef ssize_t
+
+/* Define this as a suitable file to read random data from */
+#undef RANDOM_FILE
+
+/* Define this to your Entropy Gathering Daemon socket pathname */
+#undef EGD_SOCKET
+
+/* Define to 1 if you have the alarm function. */
+#define HAVE_ALARM 1
+
+/* Define if you have the <alloca.h> header file. */
+#undef HAVE_ALLOCA_H
+
+/* Define if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H
+
+/* Define if you have the `closesocket' function. */
+#undef HAVE_CLOSESOCKET
+
+/* Define if you have the <crypto.h> header file. */
+#undef HAVE_CRYPTO_H
+
+/* Define if you have the <des.h> header file. */
+#undef HAVE_DES_H
+
+/* Define if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H
+
+/* Define if you have the <err.h> header file. */
+#undef HAVE_ERR_H
+
+/* Define if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H
+
+/* Define if you have the `geteuid' function. */
+#define HAVE_GETEUID
+
+/* Define if you have the `gethostbyaddr' function. */
+#define HAVE_GETHOSTBYADDR
+
+/* Define if you have the `gethostbyaddr_r' function. */
+#define HAVE_GETHOSTBYADDR_R
+
+/* Define if you have the `gethostname' function. */
+#define HAVE_GETHOSTNAME
+
+/* Define if you have the <getopt.h> header file. */
+#undef HAVE_GETOPT_H
+
+/* Define if you have the `getpass_r' function. */
+#undef HAVE_GETPASS_R
+
+/* Define if you have the `getpwuid' function. */
+#define HAVE_GETPWUID
+
+/* Define if you have the `getservbyname' function. */
+#define HAVE_GETSERVBYNAME
+
+/* Define if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY
+
+/* Define if you have the `timeval' struct. */
+#define HAVE_STRUCT_TIMEVAL
+
+/* Define if you have the `inet_addr' function. */
+#define HAVE_INET_ADDR
+
+/* Define if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H
+
+/* Define if you have the <io.h> header file. */
+#undef HAVE_IO_H
+
+/* Define if you have the `krb_get_our_ip_for_realm' function. */
+#undef HAVE_KRB_GET_OUR_IP_FOR_REALM
+
+/* Define if you have the <krb.h> header file. */
+#undef HAVE_KRB_H
+
+/* Define if you have the `crypto' library (-lcrypto). */
+#undef HAVE_LIBCRYPTO
+
+/* Define if you have the `nsl' library (-lnsl). */
+#undef HAVE_LIBNSL
+
+/* Define if you have the `resolv' library (-lresolv). */
+#undef HAVE_LIBRESOLV
+
+/* Define if you have the `resolve' library (-lresolve). */
+#undef HAVE_LIBRESOLVE
+
+/* Define if you have the `socket' library (-lsocket). */
+#undef HAVE_LIBSOCKET
+
+/* Define if you have the `ssl' library (-lssl). */
+#undef HAVE_LIBSSL
+
+/* Define if you have GSS API. */
+#define HAVE_GSSAPI
+
+/* Define if you have the GNU gssapi libraries */
+#undef HAVE_GSSGNU
+
+/* Define if you have the Heimdal gssapi libraries */
+#define HAVE_GSSHEIMDAL
+
+/* Define if you have the MIT gssapi libraries */
+#undef HAVE_GSSMIT
+
+/* Define if you have the `ucb' library (-lucb). */
+#undef HAVE_LIBUCB
+
+/* Define if you have the `localtime_r' function. */
+#define HAVE_LOCALTIME_R
+
+/* Define if you have the <malloc.h> header file. */
+#define HAVE_MALLOC_H
+
+/* Define if you need the malloc.h header file even with stdlib.h  */
+/* #define NEED_MALLOC_H 1 */
+
+/* Define if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define if you have the <netdb.h> header file. */
+#define HAVE_NETDB_H
+
+/* Define if you have the <netinet/if_ether.h> header file. */
+#undef HAVE_NETINET_IF_ETHER_H
+
+/* Define if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H
+
+/* Define if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H
+
+/* Define if you have the <openssl/crypto.h> header file. */
+#undef HAVE_OPENSSL_CRYPTO_H
+
+/* Define if you have the <openssl/err.h> header file. */
+#undef HAVE_OPENSSL_ERR_H
+
+/* Define if you have the <openssl/pem.h> header file. */
+#undef HAVE_OPENSSL_PEM_H
+
+/* Define if you have the <openssl/rsa.h> header file. */
+#undef HAVE_OPENSSL_RSA_H
+
+/* Define if you have the <openssl/ssl.h> header file. */
+#undef HAVE_OPENSSL_SSL_H
+
+/* Define if you have the <openssl/x509.h> header file. */
+#undef HAVE_OPENSSL_X509_H
+
+/* Define if you have the <pem.h> header file. */
+#undef HAVE_PEM_H
+
+/* Define if you have the `perror' function. */
+#define HAVE_PERROR
+
+/* Define if you have the <pwd.h> header file. */
+#define HAVE_PWD_H
+
+/* Define if you have the `RAND_egd' function. */
+#undef HAVE_RAND_EGD
+
+/* Define if you have the `RAND_screen' function. */
+#undef HAVE_RAND_SCREEN
+
+/* Define if you have the `RAND_status' function. */
+#undef HAVE_RAND_STATUS
+
+/* Define if you have the <rsa.h> header file. */
+#undef HAVE_RSA_H
+
+/* Define if you have the `select' function. */
+#define HAVE_SELECT
+
+/* Define if you have the `setvbuf' function. */
+#define HAVE_SETVBUF
+
+/* Define if you have the <sgtty.h> header file. */
+#undef HAVE_SGTTY_H
+
+/* Define if you have the `sigaction' function. */
+#define HAVE_SIGACTION
+
+/* Define if you have the `signal' function. */
+#undef HAVE_SIGNAL
+
+/* Define if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H
+
+/* Define if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T
+
+/* Define if sig_atomic_t is already defined as volatile. */
+#undef HAVE_SIG_ATOMIC_T_VOLATILE
+
+/* Define if you have the `socket' function. */
+#define HAVE_SOCKET
+
+/* Define if you have the <ssl.h> header file. */
+#undef HAVE_SSL_H
+
+/* Define if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H
+
+
+/* The following define is needed on OS400 to enable strcmpi(), stricmp() and
+   strdup(). */
+#define __cplusplus__strings__
+
+/* Define if you have the `strcasecmp' function. */
+#undef HAVE_STRCASECMP
+
+/* Define if you have the `strcmpi' function. */
+#define HAVE_STRCMPI
+
+/* Define if you have the `stricmp' function. */
+#define HAVE_STRICMP
+
+/* Define if you have the `strdup' function. */
+#define HAVE_STRDUP
+
+
+/* Define if you have the `strftime' function. */
+#define HAVE_STRFTIME
+
+/* Define if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H
+
+/* Define if you have the <string.h> header file. */
+#define HAVE_STRING_H
+
+/* Define if you have the `strlcpy' function. */
+#undef HAVE_STRLCPY
+
+/* Define if you have the <stropts.h> header file. */
+#undef HAVE_STROPTS_H
+
+/* Define if you have the `strstr' function. */
+#define HAVE_STRSTR
+
+/* Define if you have the `strtok_r' function. */
+#define HAVE_STRTOK_R
+
+/* Define if you have the `strtoll' function. */
+#undef HAVE_STRTOLL             /* Allows ASCII compile on V5R1. */
+
+/* Define if you have the <sys/param.h> header file. */
+#define HAVE_SYS_PARAM_H
+
+/* Define if you have the <sys/select.h> header file. */
+#undef HAVE_SYS_SELECT_H
+
+/* Define if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H
+
+/* Define if you have the <sys/sockio.h> header file. */
+#undef HAVE_SYS_SOCKIO_H
+
+/* Define if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H
+
+/* Define if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H
+
+/* Define if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H
+
+/* Define if you have the <sys/un.h> header file. */
+#define HAVE_SYS_UN_H
+
+/* Define if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H
+
+/* Define if you have the `tcgetattr' function. */
+#undef HAVE_TCGETATTR
+
+/* Define if you have the `tcsetattr' function. */
+#undef HAVE_TCSETATTR
+
+/* Define if you have the <termios.h> header file. */
+#undef HAVE_TERMIOS_H
+
+/* Define if you have the <termio.h> header file. */
+#undef HAVE_TERMIO_H
+
+/* Define if you have the <time.h> header file. */
+#define HAVE_TIME_H
+
+/* Define if you have the `uname' function. */
+#undef HAVE_UNAME
+
+/* Define if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H
+
+/* Define if you have the <winsock.h> header file. */
+#undef HAVE_WINSOCK_H
+
+/* Define if you have the <x509.h> header file. */
+#undef HAVE_X509_H
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT              4
+
+/* The size of a `long double', as computed by sizeof. */
+#define SIZEOF_LONG_DOUBLE      8
+
+/* Define if the compiler supports the 'long long' data type. */
+#define HAVE_LONGLONG
+
+/* The size of a `long long', as computed by sizeof. */
+#define SIZEOF_LONG_LONG        8
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT            2
+
+/* The size of `long', as computed by sizeof. */
+#define SIZEOF_LONG             4
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T           4
+
+/* The size of `curl_off_t', as computed by sizeof. */
+#define SIZEOF_CURL_OFF_T       8
+
+/* Whether long long constants must be suffixed by LL. */
+
+#define HAVE_LL
+
+/* Define this if you have struct sockaddr_storage */
+#define HAVE_STRUCT_SOCKADDR_STORAGE
+
+/* Define if you have the ANSI C header files. */
+#define STDC_HEADERS
+
+/* Define if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME
+
+/* Version number of package */
+#undef VERSION
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#undef _FILE_OFFSET_BITS
+
+/* Define for large files, on AIX-style hosts. */
+#define _LARGE_FILES
+
+/* Define to empty if `const' does not conform to ANSI C. */
+#undef const
+
+/* type to use in place of in_addr_t if not defined */
+#define in_addr_t       unsigned long
+
+/* Define to `unsigned' if <sys/types.h> does not define. */
+#undef size_t
+
+/* Define if you have the ioctl function. */
+#define HAVE_IOCTL
+
+/* Define if you have a working ioctl FIONBIO function. */
+#define HAVE_IOCTL_FIONBIO
+
+/* Define if you have a working ioctl SIOCGIFADDR function. */
+#define HAVE_IOCTL_SIOCGIFADDR
+
+/* To disable LDAP */
+#undef CURL_DISABLE_LDAP
+
+/* Definition to make a library symbol externally visible. */
+#define CURL_EXTERN_SYMBOL
+
+/* Define if you have the ldap_url_parse procedure. */
+/* #define HAVE_LDAP_URL_PARSE */    /* Disabled because of an IBM bug. */
+
+/* Define if you have the getnameinfo function. */
+/* OS400 has no ASCII version of this procedure: wrapped in setup-os400.h. */
+#define HAVE_GETNAMEINFO
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 socklen_t
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 int
+
+/* Define if you have the recv function. */
+#define HAVE_RECV
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 char *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV int
+
+/* Define if you have the recvfrom function. */
+#define HAVE_RECVFROM
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 int
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 char
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 int
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV int
+
+/* Define if you have the send function. */
+#define HAVE_SEND
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 int
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 char *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV int
+
+/* Define to use the GSKit package. */
+#define USE_GSKIT
+
+/* Define to use the OS/400 crypto library. */
+#define USE_OS400CRYPTO
+
+/* Define to use Unix sockets. */
+#define USE_UNIX_SOCKETS
+
+/* Use the system keyring as the default CA bundle. */
+#define CURL_CA_BUNDLE  "/QIBM/UserData/ICSS/Cert/Server/DEFAULT.KDB"
+
+/* ---------------------------------------------------------------- */
+/*                       ADDITIONAL DEFINITIONS                     */
+/* ---------------------------------------------------------------- */
+
+/* The following must be defined BEFORE system header files inclusion. */
+
+#define __ptr128                       /* No teraspace. */
+#define qadrt_use_fputc_inline         /* Generate fputc() wrapper inline. */
+#define qadrt_use_fread_inline         /* Generate fread() wrapper inline. */
+#define qadrt_use_fwrite_inline        /* Generate fwrite() wrapper inline. */
+
+#endif /* HEADER_CURL_CONFIG_OS400_H */
Index: trunk/src/libs/curl-7.64.0/lib/config-riscos.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/config-riscos.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/config-riscos.h	(revision 85671)
@@ -0,0 +1,513 @@
+#ifndef HEADER_CURL_CONFIG_RISCOS_H
+#define HEADER_CURL_CONFIG_RISCOS_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* ================================================================ */
+/*               Hand crafted config file for RISC OS               */
+/* ================================================================ */
+
+/* Name of this package! */
+#undef PACKAGE
+
+/* Version number of this archive. */
+#undef VERSION
+
+/* Define if you have the getpass function.  */
+#undef HAVE_GETPASS
+
+/* Define cpu-machine-OS */
+#define OS "ARM-RISC OS"
+
+/* Define if you want the built-in manual */
+#define USE_MANUAL
+
+/* Define if you have the gethostbyaddr_r() function with 5 arguments */
+#undef HAVE_GETHOSTBYADDR_R_5
+
+/* Define if you have the gethostbyaddr_r() function with 7 arguments */
+#undef HAVE_GETHOSTBYADDR_R_7
+
+/* Define if you have the gethostbyaddr_r() function with 8 arguments */
+#undef HAVE_GETHOSTBYADDR_R_8
+
+/* Define if you have the gethostbyname_r() function with 3 arguments */
+#undef HAVE_GETHOSTBYNAME_R_3
+
+/* Define if you have the gethostbyname_r() function with 5 arguments */
+#undef HAVE_GETHOSTBYNAME_R_5
+
+/* Define if you have the gethostbyname_r() function with 6 arguments */
+#undef HAVE_GETHOSTBYNAME_R_6
+
+/* Define if you need the _REENTRANT define for some functions */
+#undef NEED_REENTRANT
+
+/* Define if you have the Kerberos4 libraries (including -ldes) */
+#undef HAVE_KRB4
+
+/* Define if you want to enable IPv6 support */
+#undef ENABLE_IPV6
+
+/* Define if struct sockaddr_in6 has the sin6_scope_id member */
+#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+/* Define this to 'int' if ssize_t is not an available typedefed type */
+#undef ssize_t
+
+/* Define this as a suitable file to read random data from */
+#undef RANDOM_FILE
+
+/* Define this to your Entropy Gathering Daemon socket pathname */
+#undef EGD_SOCKET
+
+/* Define if you want to enable IPv6 support */
+#undef ENABLE_IPV6
+
+/* Define if you have the alarm function. */
+#define HAVE_ALARM
+
+/* Define if you have the <alloca.h> header file. */
+#define HAVE_ALLOCA_H
+
+/* Define if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H
+
+/* Define if you have the `closesocket' function. */
+#undef HAVE_CLOSESOCKET
+
+/* Define if you have the <crypto.h> header file. */
+#undef HAVE_CRYPTO_H
+
+/* Define if you have the <des.h> header file. */
+#undef HAVE_DES_H
+
+/* Define if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H
+
+/* Define if you have the <err.h> header file. */
+#undef HAVE_ERR_H
+
+/* Define if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H
+
+/* Define if you have the `ftruncate' function. */
+#define HAVE_FTRUNCATE
+
+/* Define if getaddrinfo exists and works */
+#define HAVE_GETADDRINFO
+
+/* Define if you have the `geteuid' function. */
+#undef HAVE_GETEUID
+
+/* Define if you have the `gethostbyaddr' function. */
+#define HAVE_GETHOSTBYADDR
+
+/* Define if you have the `gethostbyaddr_r' function. */
+#undef HAVE_GETHOSTBYADDR_R
+
+/* Define if you have the `gethostbyname_r' function. */
+#undef HAVE_GETHOSTBYNAME_R
+
+/* Define if you have the `gethostname' function. */
+#define HAVE_GETHOSTNAME
+
+/* Define if you have the <getopt.h> header file. */
+#define HAVE_GETOPT_H
+
+/* Define if you have the `getpass_r' function. */
+#undef HAVE_GETPASS_R
+
+/* Define if you have the `getpwuid' function. */
+#undef HAVE_GETPWUID
+
+/* Define if you have the `getservbyname' function. */
+#undef HAVE_GETSERVBYNAME
+
+/* Define if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY
+
+/* Define if you have the `timeval' struct. */
+#define HAVE_STRUCT_TIMEVAL
+
+/* Define if you have the `inet_addr' function. */
+#undef HAVE_INET_ADDR
+
+/* Define if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H
+
+/* Define if you have the <io.h> header file. */
+#undef HAVE_IO_H
+
+/* Define if you have the `krb_get_our_ip_for_realm' function. */
+#undef HAVE_KRB_GET_OUR_IP_FOR_REALM
+
+/* Define if you have the <krb.h> header file. */
+#undef HAVE_KRB_H
+
+/* Define if you have the `crypto' library (-lcrypto). */
+#undef HAVE_LIBCRYPTO
+
+/* Define if you have the `nsl' library (-lnsl). */
+#undef HAVE_LIBNSL
+
+/* Define if you have the `resolv' library (-lresolv). */
+#undef HAVE_LIBRESOLV
+
+/* Define if you have the `resolve' library (-lresolve). */
+#undef HAVE_LIBRESOLVE
+
+/* Define if you have the `socket' library (-lsocket). */
+#undef HAVE_LIBSOCKET
+
+/* Define if you have the `ssl' library (-lssl). */
+#undef HAVE_LIBSSL
+
+/* Define if you have the `ucb' library (-lucb). */
+#undef HAVE_LIBUCB
+
+/* Define if you have the `localtime_r' function. */
+#undef HAVE_LOCALTIME_R
+
+/* Define if you have the <malloc.h> header file. */
+#define HAVE_MALLOC_H
+
+/* Define if you need the malloc.h header file even with stdlib.h  */
+/* #define NEED_MALLOC_H 1 */
+
+/* Define if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define if you have the <netdb.h> header file. */
+#define HAVE_NETDB_H
+
+/* Define if you have the <netinet/if_ether.h> header file. */
+#undef HAVE_NETINET_IF_ETHER_H
+
+/* Define if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H
+
+/* Define if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H
+
+/* Define if you have the <openssl/crypto.h> header file. */
+#undef HAVE_OPENSSL_CRYPTO_H
+
+/* Define if you have the <openssl/err.h> header file. */
+#undef HAVE_OPENSSL_ERR_H
+
+/* Define if you have the <openssl/pem.h> header file. */
+#undef HAVE_OPENSSL_PEM_H
+
+/* Define if you have the <openssl/rsa.h> header file. */
+#undef HAVE_OPENSSL_RSA_H
+
+/* Define if you have the <openssl/ssl.h> header file. */
+#undef HAVE_OPENSSL_SSL_H
+
+/* Define if you have the <openssl/x509.h> header file. */
+#undef HAVE_OPENSSL_X509_H
+
+/* Define if you have the <pem.h> header file. */
+#undef HAVE_PEM_H
+
+/* Define if you have the `perror' function. */
+#undef HAVE_PERROR
+
+/* Define if you have the <pwd.h> header file. */
+#undef HAVE_PWD_H
+
+/* Define if you have the `RAND_egd' function. */
+#undef HAVE_RAND_EGD
+
+/* Define if you have the `RAND_screen' function. */
+#undef HAVE_RAND_SCREEN
+
+/* Define if you have the `RAND_status' function. */
+#undef HAVE_RAND_STATUS
+
+/* Define if you have the <rsa.h> header file. */
+#undef HAVE_RSA_H
+
+/* Define if you have the `select' function. */
+#define HAVE_SELECT
+
+/* Define if you have the `setvbuf' function. */
+#undef HAVE_SETVBUF
+
+/* Define if you have the <sgtty.h> header file. */
+#define HAVE_SGTTY_H
+
+/* Define if you have the `sigaction' function. */
+#undef HAVE_SIGACTION
+
+/* Define if you have the `signal' function. */
+#define HAVE_SIGNAL
+
+/* Define if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H
+
+/* Define if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T
+
+/* Define if sig_atomic_t is already defined as volatile. */
+#undef HAVE_SIG_ATOMIC_T_VOLATILE
+
+/* Define if you have the `socket' function. */
+#define HAVE_SOCKET
+
+/* Define if you have the <ssl.h> header file. */
+#undef HAVE_SSL_H
+
+/* Define if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H
+
+/* Define if you have the `strcasecmp' function. */
+#undef HAVE_STRCASECMP
+
+/* Define if you have the `strcmpi' function. */
+#undef HAVE_STRCMPI
+
+/* Define if you have the `strdup' function. */
+#define HAVE_STRDUP
+
+/* Define if you have the `strftime' function. */
+#define HAVE_STRFTIME
+
+/* Define if you have the `stricmp' function. */
+#define HAVE_STRICMP
+
+/* Define if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define if you have the <string.h> header file. */
+#define HAVE_STRING_H
+
+/* Define if you have the `strlcpy' function. */
+#undef HAVE_STRLCPY
+
+/* Define if you have the `strstr' function. */
+#define HAVE_STRSTR
+
+/* Define if you have the `strtok_r' function. */
+#undef HAVE_STRTOK_R
+
+/* Define if you have the `strtoll' function. */
+#undef HAVE_STRTOLL
+
+/* Define if you have the <sys/param.h> header file. */
+#undef HAVE_SYS_PARAM_H
+
+/* Define if you have the <sys/select.h> header file. */
+#undef HAVE_SYS_SELECT_H
+
+/* Define if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H
+
+/* Define if you have the <sys/sockio.h> header file. */
+#undef HAVE_SYS_SOCKIO_H
+
+/* Define if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H
+
+/* Define if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H
+
+/* Define if you have the `tcgetattr' function. */
+#define HAVE_TCGETATTR
+
+/* Define if you have the `tcsetattr' function. */
+#define HAVE_TCSETATTR
+
+/* Define if you have the <termios.h> header file. */
+#define HAVE_TERMIOS_H
+
+/* Define if you have the <termio.h> header file. */
+#undef HAVE_TERMIO_H
+
+/* Define if you have the <time.h> header file. */
+#undef HAVE_TIME_H
+
+/* Define if you have the `uname' function. */
+#define HAVE_UNAME
+
+/* Define if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H
+
+/* Define if you have the <winsock.h> header file. */
+#undef HAVE_WINSOCK_H
+
+/* Define if you have the <x509.h> header file. */
+#undef HAVE_X509_H
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of `long double', as computed by sizeof. */
+#undef SIZEOF_LONG_DOUBLE
+
+/* The size of `long long', as computed by sizeof. */
+#undef SIZEOF_LONG_LONG
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 4
+
+/* Define if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Define if you can safely include both <sys/time.h> and <time.h>. */
+#undef TIME_WITH_SYS_TIME
+
+/* Version number of package */
+#undef VERSION
+
+/* Define if on AIX 3.
+   System headers sometimes define this.
+   We just want to avoid a redefinition error message.  */
+#ifndef _ALL_SOURCE
+# undef _ALL_SOURCE
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#undef _FILE_OFFSET_BITS
+
+/* Define for large files, on AIX-style hosts. */
+#undef _LARGE_FILES
+
+/* Define to empty if `const' does not conform to ANSI C. */
+#undef const
+
+/* Define to `unsigned' if <sys/types.h> does not define. */
+#undef size_t
+
+/* Define to `int' if <sys/types.h> does not define. */
+#undef ssize_t
+
+/* Define if you have the ioctl function. */
+#define HAVE_IOCTL
+
+/* Define if you have a working ioctl FIONBIO function. */
+#define HAVE_IOCTL_FIONBIO
+
+/* to disable LDAP */
+#define CURL_DISABLE_LDAP
+
+/* Define if you have the getnameinfo function. */
+#define HAVE_GETNAMEINFO 1
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 size_t
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 int
+
+/* Define if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV ssize_t
+
+/* Define 1 if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 int
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 void
+
+/* Define if the type pointed by arg 2 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG2_IS_VOID
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 int
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV ssize_t
+
+/* Define if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 int
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV ssize_t
+
+#endif /* HEADER_CURL_CONFIG_RISCOS_H */
Index: trunk/src/libs/curl-7.64.0/lib/config-symbian.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/config-symbian.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/config-symbian.h	(revision 85671)
@@ -0,0 +1,808 @@
+#ifndef HEADER_CURL_CONFIG_SYMBIAN_H
+#define HEADER_CURL_CONFIG_SYMBIAN_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* ================================================================ */
+/*               Hand crafted config file for Symbian               */
+/* ================================================================ */
+
+/* Location of default ca bundle */
+/* #define CURL_CA_BUNDLE "/etc/pki/tls/certs/ca-bundle.crt"*/
+
+/* Location of default ca path */
+/* #undef CURL_CA_PATH */
+
+/* to disable cookies support */
+/* #undef CURL_DISABLE_COOKIES */
+
+/* to disable cryptographic authentication */
+/* #undef CURL_DISABLE_CRYPTO_AUTH */
+
+/* to disable DICT */
+/* #undef CURL_DISABLE_DICT */
+
+/* to disable FILE */
+/* #undef CURL_DISABLE_FILE */
+
+/* to disable FTP */
+/* #undef CURL_DISABLE_FTP */
+
+/* to disable HTTP */
+/* #undef CURL_DISABLE_HTTP */
+
+/* to disable LDAP */
+#define CURL_DISABLE_LDAP 1
+
+/* to disable LDAPS */
+#define CURL_DISABLE_LDAPS 1
+
+/* to disable TELNET */
+/* #undef CURL_DISABLE_TELNET */
+
+/* to disable TFTP */
+/* #undef CURL_DISABLE_TFTP */
+
+/* to disable verbose strings */
+/* #define CURL_DISABLE_VERBOSE_STRINGS 1*/
+
+/* Definition to make a library symbol externally visible. */
+/* #undef CURL_EXTERN_SYMBOL */
+
+/* Use Windows LDAP implementation */
+/* #undef USE_WIN32_LDAP */
+
+/* your Entropy Gathering Daemon socket pathname */
+/* #undef EGD_SOCKET */
+
+/* Define if you want to enable IPv6 support */
+#define ENABLE_IPV6 1
+
+/* Define if struct sockaddr_in6 has the sin6_scope_id member */
+#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 size_t
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 int
+
+/* Define to 1 if you have the <alloca.h> header file. */
+/*#define HAVE_ALLOCA_H 1*/
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <arpa/tftp.h> header file. */
+/*#define HAVE_ARPA_TFTP_H 1*/
+
+/* Define to 1 if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the `basename' function. */
+/*#define HAVE_BASENAME 1*/
+
+/* Define to 1 if bool is an available type. */
+/*#define HAVE_BOOL_T 1*/
+
+/* Define to 1 if you have the `closesocket' function. */
+/* #undef HAVE_CLOSESOCKET */
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function. */
+/*#define HAVE_CRYPTO_CLEANUP_ALL_EX_DATA 1*/
+
+/* Define to 1 if you have the <crypto.h> header file. */
+/* #undef HAVE_CRYPTO_H */
+
+/* Define to 1 if you have the <des.h> header file. */
+/* #undef HAVE_DES_H */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the `ENGINE_load_builtin_engines' function. */
+/*#define HAVE_ENGINE_LOAD_BUILTIN_ENGINES 1*/
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the <err.h> header file. */
+#define HAVE_ERR_H 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have the fcntl function. */
+#define HAVE_FCNTL 1
+
+/* Define to 1 if you have a working fcntl O_NONBLOCK function. */
+#define HAVE_FCNTL_O_NONBLOCK 1
+
+/* Define to 1 if you have the `fork' function. */
+/*#define HAVE_FORK 1*/
+
+/* Define to 1 if you have the `ftruncate' function. */
+#define HAVE_FTRUNCATE 1
+
+/* Define if getaddrinfo exists and works */
+#define HAVE_GETADDRINFO 1
+
+/* Define to 1 if you have the `geteuid' function. */
+#define HAVE_GETEUID 1
+
+/* Define to 1 if you have the `gethostbyaddr' function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* If you have gethostbyname */
+#define HAVE_GETHOSTBYNAME 1
+
+/* Define to 1 if you have the `gethostbyname_r' function. */
+/* #undef HAVE_GETHOSTBYNAME_R */
+
+/* gethostbyname_r() takes 3 args */
+/* #undef HAVE_GETHOSTBYNAME_R_3 */
+
+/* gethostbyname_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYNAME_R_5 */
+
+/* gethostbyname_r() takes 6 args */
+/* #undef HAVE_GETHOSTBYNAME_R_6 */
+
+/* Define to 1 if you have the getnameinfo function. */
+#define HAVE_GETNAMEINFO 1
+
+/* Define to 1 if you have the `getpass_r' function. */
+/* #undef HAVE_GETPASS_R */
+
+/* Define to 1 if you have the `getppid' function. */
+#define HAVE_GETPPID 1
+
+/* Define to 1 if you have the `getprotobyname' function. */
+#define HAVE_GETPROTOBYNAME 1
+
+/* Define to 1 if you have the `getpwuid' function. */
+#define HAVE_GETPWUID 1
+
+/* Define to 1 if you have the `getrlimit' function. */
+/*#define HAVE_GETRLIMIT 1*/
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY 1
+
+/* we have a glibc-style strerror_r() */
+/* #undef HAVE_GLIBC_STRERROR_R */
+
+/* Define to 1 if you have the `gmtime_r' function. */
+#define HAVE_GMTIME_R 1
+
+/* if you have the gssapi libraries */
+/* #undef HAVE_GSSAPI */
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_GENERIC_H */
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_H */
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_KRB5_H */
+
+/* if you have the GNU gssapi libraries */
+/* #undef HAVE_GSSGNU */
+
+/* if you have the Heimdal gssapi libraries */
+/* #undef HAVE_GSSHEIMDAL */
+
+/* if you have the MIT gssapi libraries */
+/* #undef HAVE_GSSMIT */
+
+/* Define to 1 if you have the `idna_strerror' function. */
+/*#define HAVE_IDNA_STRERROR 1*/
+
+/* Define to 1 if you have the `idn_free' function. */
+/*#define HAVE_IDN_FREE 1*/
+
+/* Define to 1 if you have the <idn-free.h> header file. */
+/*#define HAVE_IDN_FREE_H 1*/
+
+/* Define to 1 if you have the `inet_addr' function. */
+/*#define HAVE_INET_ADDR 1*/
+
+/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
+/*#define HAVE_INET_NTOP 1*/
+
+/* Define to 1 if you have a IPv6 capable working inet_pton function. */
+/*#define HAVE_INET_PTON 1*/
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the ioctl function. */
+#define HAVE_IOCTL 1
+
+/* Define to 1 if you have a working ioctl FIONBIO function. */
+#define HAVE_IOCTL_FIONBIO 1
+
+/* Define to 1 if you have the ioctlsocket function. */
+/* #undef HAVE_IOCTLSOCKET */
+
+/* Define to 1 if you have a working ioctlsocket FIONBIO function. */
+/* #undef HAVE_IOCTLSOCKET_FIONBIO */
+
+/* Define to 1 if you have the IoctlSocket camel case function. */
+/* #undef HAVE_IOCTLSOCKET_CAMEL */
+
+/* Define to 1 if you have a working IoctlSocket camel case FIONBIO
+   function. */
+/* #undef HAVE_IOCTLSOCKET_CAMEL_FIONBIO */
+
+/* Define to 1 if you have the <io.h> header file. */
+/* #undef HAVE_IO_H */
+
+/* if you have the Kerberos4 libraries (including -ldes) */
+/* #undef HAVE_KRB4 */
+
+/* Define to 1 if you have the `krb_get_our_ip_for_realm' function. */
+/* #undef HAVE_KRB_GET_OUR_IP_FOR_REALM */
+
+/* Define to 1 if you have the <krb.h> header file. */
+/* #undef HAVE_KRB_H */
+
+/* Define to 1 if you have the lber.h header file. */
+/*#define HAVE_LBER_H 1*/
+
+/* Define to 1 if you have the ldapssl.h header file. */
+/* #undef HAVE_LDAPSSL_H */
+
+/* Define to 1 if you have the ldap.h header file. */
+/*#define HAVE_LDAP_H 1*/
+
+/* Use LDAPS implementation */
+/*#define HAVE_LDAP_SSL 1*/
+
+/* Define to 1 if you have the ldap_ssl.h header file. */
+/* #undef HAVE_LDAP_SSL_H */
+
+/* Define to 1 if you have the `ldap_url_parse' function. */
+/*#define HAVE_LDAP_URL_PARSE 1*/
+
+/* Define to 1 if you have the <libgen.h> header file. */
+/*#define HAVE_LIBGEN_H 1*/
+
+/* Define to 1 if you have the `idn' library (-lidn). */
+/*#define HAVE_LIBIDN 1*/
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+/* #undef HAVE_LIBRESOLV */
+
+/* Define to 1 if you have the `resolve' library (-lresolve). */
+/* #undef HAVE_LIBRESOLVE */
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+/* #undef HAVE_LIBSOCKET */
+
+/* Define to 1 if you have the `ssh2' library (-lssh2). */
+/*#define HAVE_LIBSSH2 1*/
+
+/* Define to 1 if you have the <libssh2.h> header file. */
+/*#define HAVE_LIBSSH2_H 1*/
+
+/* Define to 1 if you have the `ssl' library (-lssl). */
+/*#define HAVE_LIBSSL 1*/
+
+/* if your compiler supports LL */
+#define HAVE_LL 1
+
+/* Define to 1 if you have the <locale.h> header file. */
+#define HAVE_LOCALE_H 1
+
+/* Define to 1 if you have the `localtime_r' function. */
+#define HAVE_LOCALTIME_R 1
+
+/* Define to 1 if the compiler supports the 'long long' data type. */
+#define HAVE_LONGLONG 1
+
+/* Define to 1 if you have the malloc.h header file. */
+/*#define HAVE_MALLOC_H 1*/
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the MSG_NOSIGNAL flag. */
+/*#define HAVE_MSG_NOSIGNAL 1*/
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#define HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+/*#define HAVE_NETINET_TCP_H 1*/
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H 1
+
+/* Define to 1 if NI_WITHSCOPEID exists and works. */
+/*#define HAVE_NI_WITHSCOPEID 1*/
+
+/* we have no strerror_r() proto */
+/* #undef HAVE_NO_STRERROR_R_DECL */
+
+/* if you have an old MIT gssapi library, lacking GSS_C_NT_HOSTBASED_SERVICE
+   */
+/* #undef HAVE_OLD_GSSMIT */
+
+/* Define to 1 if you have the <openssl/crypto.h> header file. */
+/*#define HAVE_OPENSSL_CRYPTO_H 1*/
+
+/* Define to 1 if you have the <openssl/engine.h> header file. */
+/*#define HAVE_OPENSSL_ENGINE_H 1*/
+
+/* Define to 1 if you have the <openssl/err.h> header file. */
+/*#define HAVE_OPENSSL_ERR_H 1*/
+
+/* Define to 1 if you have the <openssl/pem.h> header file. */
+/*#define HAVE_OPENSSL_PEM_H 1*/
+
+/* Define to 1 if you have the <openssl/pkcs12.h> header file. */
+/*#define HAVE_OPENSSL_PKCS12_H 1*/
+
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+/*#define HAVE_OPENSSL_RSA_H 1*/
+
+/* Define to 1 if you have the <openssl/ssl.h> header file. */
+/*#define HAVE_OPENSSL_SSL_H 1*/
+
+/* Define to 1 if you have the <openssl/x509.h> header file. */
+/*#define HAVE_OPENSSL_X509_H 1*/
+
+/* Define to 1 if you have the <pem.h> header file. */
+/* #undef HAVE_PEM_H */
+
+/* Define to 1 if you have the `perror' function. */
+#define HAVE_PERROR 1
+
+/* Define to 1 if you have the `pipe' function. */
+#define HAVE_PIPE 1
+
+/* Define to 1 if you have the `poll' function. */
+/*#define HAVE_POLL 1*/
+
+/* If you have a fine poll */
+/*#define HAVE_POLL_FINE 1*/
+
+/* Define to 1 if you have the <poll.h> header file. */
+/*#define HAVE_POLL_H 1*/
+
+/* we have a POSIX-style strerror_r() */
+#define HAVE_POSIX_STRERROR_R 1
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#define HAVE_PWD_H 1
+
+/* Define to 1 if you have the `RAND_egd' function. */
+#define HAVE_RAND_EGD 1
+
+/* Define to 1 if you have the `RAND_screen' function. */
+/* #undef HAVE_RAND_SCREEN */
+
+/* Define to 1 if you have the `RAND_status' function. */
+/*#define HAVE_RAND_STATUS 1*/
+
+/* Define to 1 if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to 1 if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to 1 if you have the <rsa.h> header file. */
+/* #undef HAVE_RSA_H */
+
+/* Define to 1 if you have the select function. */
+#define HAVE_SELECT 1
+
+/* Define to 1 if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#define HAVE_SETJMP_H 1
+
+/* Define to 1 if you have the `setlocale' function. */
+#define HAVE_SETLOCALE 1
+
+/* Define to 1 if you have the `setmode' function. */
+/* #undef HAVE_SETMODE */
+
+/* Define to 1 if you have the `setrlimit' function. */
+/*#define HAVE_SETRLIMIT 1*/
+
+/* Define to 1 if you have the setsockopt function. */
+/* #undef HAVE_SETSOCKOPT */
+
+/* Define to 1 if you have a working setsockopt SO_NONBLOCK function. */
+/* #undef HAVE_SETSOCKOPT_SO_NONBLOCK */
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+/*#define HAVE_SGTTY_H 1*/
+
+/* Define to 1 if you have the `sigaction' function. */
+/*#define HAVE_SIGACTION 1*/
+
+/* Define to 1 if you have the `siginterrupt' function. */
+/*#define HAVE_SIGINTERRUPT 1*/
+
+/* Define to 1 if you have the `signal' function. */
+/*#define HAVE_SIGNAL 1*/
+
+/* Define to 1 if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* If you have sigsetjmp */
+/*#define HAVE_SIGSETJMP 1*/
+
+/* Define to 1 if sig_atomic_t is an available typedef. */
+/*#define HAVE_SIG_ATOMIC_T 1*/
+
+/* Define to 1 if sig_atomic_t is already defined as volatile. */
+/* #undef HAVE_SIG_ATOMIC_T_VOLATILE */
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define to 1 if you have the `SSL_get_shutdown' function. */
+/*#define HAVE_SSL_GET_SHUTDOWN 1*/
+
+/* Define to 1 if you have the <ssl.h> header file. */
+/* #undef HAVE_SSL_H */
+
+/* Define to 1 if you have the <stdbool.h> header file. */
+#define HAVE_STDBOOL_H 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the `strcasecmp' function. */
+#define HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the `strcmpi' function. */
+/* #undef HAVE_STRCMPI */
+
+/* Define to 1 if you have the `strdup' function. */
+#define HAVE_STRDUP 1
+
+/* Define to 1 if you have the `strerror_r' function. */
+#define HAVE_STRERROR_R 1
+
+/* Define to 1 if you have the `stricmp' function. */
+/* #undef HAVE_STRICMP */
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the `strlcpy' function. */
+#define HAVE_STRLCPY 1
+
+/* Define to 1 if you have the `strstr' function. */
+#define HAVE_STRSTR 1
+
+/* Define to 1 if you have the `strtok_r' function. */
+#define HAVE_STRTOK_R 1
+
+/* Define to 1 if you have the `strtoll' function. */
+#define HAVE_STRTOLL 1
+
+/* if struct sockaddr_storage is defined */
+#define HAVE_STRUCT_SOCKADDR_STORAGE 1
+
+/* Define to 1 if you have the timeval struct. */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* Define to 1 if you have the <sys/filio.h> header file. */
+#define HAVE_SYS_FILIO_H 1
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#define HAVE_SYS_PARAM_H 1
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+/*#define HAVE_SYS_POLL_H 1*/
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define HAVE_SYS_RESOURCE_H 1
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#define HAVE_SYS_SELECT_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+#define HAVE_SYS_SOCKIO_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/utime.h> header file. */
+/* #undef HAVE_SYS_UTIME_H */
+
+/* Define to 1 if you have the <termios.h> header file. */
+/*#define HAVE_TERMIOS_H 1*/
+
+/* Define to 1 if you have the <termio.h> header file. */
+/*#define HAVE_TERMIO_H 1*/
+
+/* Define to 1 if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define to 1 if you have the <tld.h> header file. */
+/*#define HAVE_TLD_H 1*/
+
+/* Define to 1 if you have the `tld_strerror' function. */
+/*#define HAVE_TLD_STRERROR 1*/
+
+/* Define to 1 if you have the `uname' function. */
+#define HAVE_UNAME 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `utime' function. */
+#define HAVE_UTIME 1
+
+/* Define to 1 if you have the <utime.h> header file. */
+#define HAVE_UTIME_H 1
+
+/* Define to 1 if compiler supports C99 variadic macro style. */
+#define HAVE_VARIADIC_MACROS_C99 1
+
+/* Define to 1 if compiler supports old gcc variadic macro style. */
+/*#define HAVE_VARIADIC_MACROS_GCC 1*/
+
+/* Define to 1 if you have the winber.h header file. */
+/* #undef HAVE_WINBER_H */
+
+/* Define to 1 if you have the windows.h header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* Define to 1 if you have the winldap.h header file. */
+/* #undef HAVE_WINLDAP_H */
+
+/* Define to 1 if you have the winsock2.h header file. */
+/* #undef HAVE_WINSOCK2_H */
+
+/* Define to 1 if you have the winsock.h header file. */
+/* #undef HAVE_WINSOCK_H */
+
+/* Define this symbol if your OS supports changing the contents of argv */
+/*#define HAVE_WRITABLE_ARGV 1*/
+
+/* Define to 1 if you have the ws2tcpip.h header file. */
+/* #undef HAVE_WS2TCPIP_H */
+
+/* Define to 1 if you have the <x509.h> header file. */
+/* #undef HAVE_X509_H */
+
+/* Define to 1 if you need the lber.h header file even with ldap.h */
+/* #undef NEED_LBER_H */
+
+/* Define to 1 if you need the malloc.h header file even with stdlib.h */
+/* #undef NEED_MALLOC_H */
+
+/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
+/* #undef NEED_REENTRANT */
+
+/* Define to 1 if _THREAD_SAFE preprocessor symbol must be defined. */
+/* #undef NEED_THREAD_SAFE */
+
+/* cpu-machine-OS */
+#ifdef __WINS__
+#define OS "i386-pc-epoc32"
+#elif __MARM__
+#define OS "arm-unknown-epoc32"
+#else
+/* This won't happen on any current Symbian version */
+#define OS "unknown-unknown-epoc32"
+#endif
+
+/* Name of package */
+/*#define PACKAGE "curl"*/
+
+/* Define to the address where bug reports for this package should be sent. */
+/*#define PACKAGE_BUGREPORT \
+  "a suitable curl mailing list => https://curl.haxx.se/mail/"*/
+
+/* Define to the full name of this package. */
+/*#define PACKAGE_NAME "curl"*/
+
+/* Define to the full name and version of this package. */
+/*#define PACKAGE_STRING "curl -"*/
+
+/* Define to the one symbol short name of this package. */
+/*#define PACKAGE_TARNAME "curl"*/
+
+/* Define to the version of this package. */
+/*#define PACKAGE_VERSION "-"*/
+
+/* a suitable file to read random data from */
+/*#define RANDOM_FILE "/dev/urandom"*/
+
+#define RECV_TYPE_ARG1 int
+#define RECV_TYPE_ARG2 void *
+#define RECV_TYPE_ARG3 size_t
+#define RECV_TYPE_ARG4 int
+#define RECV_TYPE_RETV ssize_t
+
+#define RECVFROM_TYPE_ARG1 int
+#define RECVFROM_TYPE_ARG2 void
+#define RECVFROM_TYPE_ARG3 size_t
+#define RECVFROM_TYPE_ARG4 int
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+#define RECVFROM_TYPE_ARG6 size_t
+#define RECVFROM_TYPE_RETV ssize_t
+#define RECVFROM_TYPE_ARG2_IS_VOID 1
+
+#define SEND_TYPE_ARG1 int
+#define SEND_QUAL_ARG2 const
+#define SEND_TYPE_ARG2 void *
+#define SEND_TYPE_ARG3 size_t
+#define SEND_TYPE_ARG4 int
+#define SEND_TYPE_RETV ssize_t
+
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+/*#define RETSIGTYPE void*/
+
+/* Define to the type of arg 1 for `select'. */
+#define SELECT_TYPE_ARG1 int
+
+/* Define to the type of args 2, 3 and 4 for `select'. */
+#define SELECT_TYPE_ARG234 (fd_set *)
+
+/* Define to the type of arg 5 for `select'. */
+#define SELECT_TYPE_ARG5 (struct timeval *)
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of `off_t', as computed by sizeof. */
+#define SIZEOF_OFF_T 8
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 4
+
+/* The size of `time_t', as computed by sizeof. */
+#define SIZEOF_TIME_T 4
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* Define if you want to enable c-ares support */
+/* #undef USE_ARES */
+
+/* Define to disable non-blocking sockets */
+/* #undef USE_BLOCKING_SOCKETS */
+
+/* if GnuTLS is enabled */
+/* #undef USE_GNUTLS */
+
+/* if libSSH2 is in use */
+/*#define USE_LIBSSH2 1*/
+
+/* If you want to build curl with the built-in manual */
+/*#define USE_MANUAL 1*/
+
+/* if NSS is enabled */
+/* #undef USE_NSS */
+
+/* to enable SSPI support */
+/* #undef USE_WINDOWS_SSPI */
+
+/* Define to 1 if using yaSSL in OpenSSL compatibility mode. */
+/* #undef USE_YASSLEMUL */
+
+/* Version number of package */
+/*#define VERSION "7.18.2-CVS"*/
+
+/* Define to avoid automatic inclusion of winsock.h */
+/* #undef WIN32_LEAN_AND_MEAN */
+
+/* Define to 1 if on AIX 3.
+   System headers sometimes define this.
+   We just want to avoid a redefinition error message.  */
+#ifndef _ALL_SOURCE
+/* # undef _ALL_SOURCE */
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#define _FILE_OFFSET_BITS 64
+
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* type to use in place of in_addr_t if not defined */
+/* #undef in_addr_t */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+/* #undef inline */
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+/* the signed version of size_t */
+/* #undef ssize_t */
+
+/* Enabling curl debug mode when building in Symbian debug mode would work */
+/* except that debug mode introduces new exports that must be frozen. */
+#ifdef _DEBUG
+/* #define CURLDEBUG */
+#endif
+
+/* sys/cdefs.h fails to define this for WINSCW prior to Symbian OS ver. 9.4 */
+#ifndef __LONG_LONG_SUPPORTED
+#define __LONG_LONG_SUPPORTED
+#endif
+
+/* Enable appropriate header only when zlib support is enabled */
+#ifdef HAVE_LIBZ
+#define HAVE_ZLIB_H 1
+#endif
+
+#endif /* HEADER_CURL_CONFIG_SYMBIAN_H */
Index: trunk/src/libs/curl-7.64.0/lib/config-tpf.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/config-tpf.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/config-tpf.h	(revision 85671)
@@ -0,0 +1,772 @@
+#ifndef HEADER_CURL_CONFIG_TPF_H
+#define HEADER_CURL_CONFIG_TPF_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* ================================================================ */
+/*                 Hand crafted config file for TPF                 */
+/* ================================================================ */
+
+/* ---------------------------------------------------------------- */
+/*            FEATURES, FUNCTIONS, and DEFINITIONS                  */
+/* ---------------------------------------------------------------- */
+
+/* NOTE: Refer also to the .mak file for some of the flags below */
+
+/* to disable cookies support */
+/* #undef CURL_DISABLE_COOKIES */
+
+/* to disable cryptographic authentication */
+/* #undef CURL_DISABLE_CRYPTO_AUTH */
+
+/* to disable DICT */
+/* #undef CURL_DISABLE_DICT */
+
+/* to disable FILE */
+/* #undef CURL_DISABLE_FILE */
+
+/* to disable FTP */
+/* #undef CURL_DISABLE_FTP */
+
+/* to disable HTTP */
+/* #undef CURL_DISABLE_HTTP */
+
+/* to disable LDAP */
+/* #undef CURL_DISABLE_LDAP */
+
+/* to disable TELNET */
+/* #undef CURL_DISABLE_TELNET */
+
+/* to disable TFTP */
+/* #undef CURL_DISABLE_TFTP */
+
+/* to disable verbose strings */
+/* #undef CURL_DISABLE_VERBOSE_STRINGS */
+
+/* lber dynamic library file */
+/* #undef DL_LBER_FILE */
+
+/* ldap dynamic library file */
+/* #undef DL_LDAP_FILE */
+
+/* your Entropy Gathering Daemon socket pathname */
+/* #undef EGD_SOCKET */
+
+/* Define if you want to enable IPv6 support */
+/* #undef ENABLE_IPV6 */
+
+/* Define if struct sockaddr_in6 has the sin6_scope_id member */
+/* #undef HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID */
+
+/* Define to the type of arg 1 for getnameinfo. */
+/* #undef GETNAMEINFO_TYPE_ARG1 */
+
+/* Define to the type of arg 2 for getnameinfo. */
+/* #undef GETNAMEINFO_TYPE_ARG2 */
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+/* #undef GETNAMEINFO_TYPE_ARG46 */
+
+/* Define to the type of arg 7 for getnameinfo. */
+/* #undef GETNAMEINFO_TYPE_ARG7 */
+
+/* Define to 1 if you have the alarm function. */
+#define HAVE_ALARM 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <arpa/tftp.h> header file. */
+/* #undef HAVE_ARPA_TFTP_H */
+
+/* Define to 1 if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the `basename' function. */
+#define HAVE_BASENAME 1
+
+/* Define to 1 if you have the `closesocket' function. */
+/* #undef HAVE_CLOSESOCKET */
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function. */
+/* #undef HAVE_CRYPTO_CLEANUP_ALL_EX_DATA */
+#define HAVE_CRYPTO_CLEANUP_ALL_EX_DATA 1
+
+/* Define to 1 if you have the <crypto.h> header file. */
+/* #undef HAVE_CRYPTO_H */
+#define HAVE_CRYPTO_H 1
+
+/* Define to 1 if you have the <des.h> header file. */
+/* #undef HAVE_DES_H */
+#define HAVE_DES_H 1
+
+/* Define to 1 if you have the `ENGINE_load_builtin_engines' function. */
+/* #undef HAVE_ENGINE_LOAD_BUILTIN_ENGINES */
+#define HAVE_ENGINE_LOAD_BUILTIN_ENGINES 1
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the <err.h> header file. */
+/* #undef HAVE_ERR_H */
+#define HAVE_ERR_H 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have the fcntl function. */
+#define HAVE_FCNTL 1
+
+/* Define to 1 if you have a working fcntl O_NONBLOCK function. */
+#define HAVE_FCNTL_O_NONBLOCK 1
+
+/* Define to 1 if you have the `fork' function. */
+/* #undef HAVE_FORK */
+#define HAVE_FORK 1
+
+/* Define to 1 if you have the `ftruncate' function. */
+#define HAVE_FTRUNCATE 1
+
+/* Define if getaddrinfo exists and works */
+/* #undef HAVE_GETADDRINFO */
+
+/* Define to 1 if you have the `geteuid' function. */
+#define HAVE_GETEUID 1
+
+/* Define to 1 if you have the `gethostbyaddr' function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* If you have gethostbyname */
+#define HAVE_GETHOSTBYNAME 1
+
+/* Define to 1 if you have the `gethostbyname_r' function. */
+/* #undef HAVE_GETHOSTBYNAME_R */
+
+/* gethostbyname_r() takes 3 args */
+/* #undef HAVE_GETHOSTBYNAME_R_3 */
+
+/* gethostbyname_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYNAME_R_5 */
+
+/* gethostbyname_r() takes 6 args */
+/* #undef HAVE_GETHOSTBYNAME_R_6 1 */
+
+/* Define to 1 if you have the getnameinfo function. */
+/* #undef HAVE_GETNAMEINFO */
+
+/* Define to 1 if you have the `getpass_r' function. */
+/* #undef HAVE_GETPASS_R */
+
+/* Define to 1 if you have the `getprotobyname' function. */
+/* #undef HAVE_GETPROTOBYNAME */
+
+/* Define to 1 if you have the `getpwuid' function. */
+#define HAVE_GETPWUID 1
+
+/* Define to 1 if you have the `getrlimit' function. */
+/* #undef HAVE_GETRLIMIT */
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY 1
+
+/* we have a glibc-style strerror_r() */
+/* #undef HAVE_GLIBC_STRERROR_R */
+#define HAVE_GLIBC_STRERROR_R 1
+
+/* Define to 1 if you have the `gmtime_r' function. */
+#define HAVE_GMTIME_R 1
+
+/* if you have the gssapi libraries */
+/* #undef HAVE_GSSAPI */
+
+/* if you have the GNU gssapi libraries */
+/* #undef HAVE_GSSGNU */
+
+/* if you have the Heimdal gssapi libraries */
+/* #undef HAVE_GSSHEIMDAL */
+
+/* if you have the MIT gssapi libraries */
+/* #undef HAVE_GSSMIT */
+
+/* Define to 1 if you have the `iconv' functions. */
+#define HAVE_ICONV 1
+
+/* Define to 1 if you have the `idna_strerror' function. */
+/* #undef HAVE_IDNA_STRERROR */
+
+/* Define to 1 if you have the `idn_free' function. */
+/* #undef HAVE_IDN_FREE */
+
+/* Define to 1 if you have the <idn-free.h> header file. */
+/* #undef HAVE_IDN_FREE_H */
+
+/* Define to 1 if you have the `inet_addr' function. */
+#define HAVE_INET_ADDR 1
+
+/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
+/* #undef HAVE_INET_NTOP */
+
+/* Define to 1 if you have a IPv6 capable working inet_pton function. */
+/* #undef HAVE_INET_PTON */
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the ioctl function. */
+#define HAVE_IOCTL 1
+
+/* Define to 1 if you have a working ioctl FIONBIO function. */
+#define HAVE_IOCTL_FIONBIO 1
+
+/* Define to 1 if you have the ioctlsocket function. */
+/* #undef HAVE_IOCTLSOCKET */
+
+/* Define to 1 if you have a working ioctlsocket FIONBIO function. */
+/* #undef HAVE_IOCTLSOCKET_FIONBIO */
+
+/* Define to 1 if you have the IoctlSocket camel case function. */
+/* #undef HAVE_IOCTLSOCKET_CAMEL */
+
+/* Define to 1 if you have a working IoctlSocket camel case FIONBIO
+   function. */
+/* #undef HAVE_IOCTLSOCKET_CAMEL_FIONBIO */
+
+/* Define to 1 if you have the <io.h> header file. */
+/* #undef HAVE_IO_H */
+
+/* if you have the Kerberos4 libraries (including -ldes) */
+/* #undef HAVE_KRB4 */
+
+/* Define to 1 if you have the `krb_get_our_ip_for_realm' function. */
+/* #undef HAVE_KRB_GET_OUR_IP_FOR_REALM */
+
+/* Define to 1 if you have the <krb.h> header file. */
+/* #undef HAVE_KRB_H */
+
+/* Define to 1 if you have the <libgen.h> header file. */
+/* #undef HAVE_LIBGEN_H 1 */
+
+/* Define to 1 if you have the `idn' library (-lidn). */
+/* #undef HAVE_LIBIDN */
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+/* #undef HAVE_LIBRESOLV */
+
+/* Define to 1 if you have the `resolve' library (-lresolve). */
+/* #undef HAVE_LIBRESOLVE */
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+/* #undef HAVE_LIBSOCKET */
+
+/* Define to 1 if you have the `ssl' library (-lssl). */
+/* #undef HAVE_LIBSSL */
+#define HAVE_LIBSSL 1
+
+/* if zlib is available */
+/* #undef HAVE_LIBZ */
+
+/* if your compiler supports LL */
+#define HAVE_LL 1
+
+/* Define to 1 if you have the <locale.h> header file. */
+#define HAVE_LOCALE_H 1
+
+/* Define to 1 if you have the `localtime_r' function. */
+#define HAVE_LOCALTIME_R 1
+
+/* Define to 1 if the compiler supports the 'long long' data type. */
+#define HAVE_LONGLONG 1
+
+/* Define to 1 if you need the malloc.h header file even with stdlib.h  */
+/* #undef NEED_MALLOC_H */
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#define HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+/* undef HAVE_NETINET_TCP_H */
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H 1
+
+/* Define if NI_WITHSCOPEID exists and works */
+/* #undef HAVE_NI_WITHSCOPEID */
+
+/* we have no strerror_r() proto */
+/* #undef HAVE_NO_STRERROR_R_DECL */
+
+/* Define to 1 if you have the <openssl/crypto.h> header file. */
+/* #undef HAVE_OPENSSL_CRYPTO_H */
+#define HAVE_OPENSSL_CRYPTO_H 1
+
+/* Define to 1 if you have the <openssl/engine.h> header file. */
+/* #undef HAVE_OPENSSL_ENGINE_H */
+#define HAVE_OPENSSL_ENGINE_H 1
+
+/* Define to 1 if you have the <openssl/err.h> header file. */
+/* #undef HAVE_OPENSSL_ERR_H */
+#define HAVE_OPENSSL_ERR_H 1
+
+/* Define to 1 if you have the <openssl/pem.h> header file. */
+/* #undef HAVE_OPENSSL_PEM_H */
+#define HAVE_OPENSSL_PEM_H 1
+
+/* Define to 1 if you have the <openssl/pkcs12.h> header file. */
+/* #undef HAVE_OPENSSL_PKCS12_H */
+#define HAVE_OPENSSL_PKCS12_H 1
+
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+/* #undef HAVE_OPENSSL_RSA_H */
+#define HAVE_OPENSSL_RSA_H 1
+
+/* Define to 1 if you have the <openssl/ssl.h> header file. */
+/* #undef HAVE_OPENSSL_SSL_H */
+#define HAVE_OPENSSL_SSL_H 1
+
+/* Define to 1 if you have the <openssl/x509.h> header file. */
+/* #undef HAVE_OPENSSL_X509_H */
+#define HAVE_OPENSSL_X509_H 1
+
+/* Define to 1 if you have the <pem.h> header file. */
+/* #undef HAVE_PEM_H */
+#define HAVE_PEM_H 1
+
+/* Define to 1 if you have the `perror' function. */
+#define HAVE_PERROR 1
+
+/* Define to 1 if you have the `pipe' function. */
+#define HAVE_PIPE 1
+
+/* Define to 1 if you have the `poll' function. */
+/* #undef HAVE_POLL */
+
+/* If you have a fine poll */
+/* #undef HAVE_POLL_FINE */
+
+/* we have a POSIX-style strerror_r() */
+/* #undef HAVE_POSIX_STRERROR_R */
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#define HAVE_PWD_H 1
+
+/* Define to 1 if you have the `RAND_egd' function. */
+/* #undef HAVE_RAND_EGD */
+#define HAVE_RAND_EGD 1
+
+/* Define to 1 if you have the `RAND_screen' function. */
+/* #undef HAVE_RAND_SCREEN */
+
+/* Define to 1 if you have the `RAND_status' function. */
+/* #undef HAVE_RAND_STATUS */
+#define HAVE_RAND_STATUS 1
+
+/* Define to 1 if you have the <rsa.h> header file. */
+/* #undef HAVE_RSA_H */
+#define HAVE_RSA_H 1
+
+/* Define to 1 if you have the `select' function. */
+#define HAVE_SELECT 1
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#define HAVE_SETJMP_H 1
+
+/* Define to 1 if you have the `setlocale' function. */
+#define HAVE_SETLOCALE 1
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define HAVE_SETRLIMIT 1
+
+/* Define to 1 if you have the setsockopt function. */
+/* #undef HAVE_SETSOCKOPT */
+
+/* Define to 1 if you have a working setsockopt SO_NONBLOCK function. */
+/* #undef HAVE_SETSOCKOPT_SO_NONBLOCK */
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+/* #undef HAVE_SGTTY_H 1 */
+
+/* Define to 1 if you have the `sigaction' function. */
+#define HAVE_SIGACTION 1
+
+/* Define to 1 if you have the `siginterrupt' function. */
+/* #undef HAVE_SIGINTERRUPT */
+
+/* Define to 1 if you have the `signal' function. */
+#define HAVE_SIGNAL 1
+
+/* Define to 1 if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define to 1 if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define to 1 if sig_atomic_t is already defined as volatile. */
+/* #undef HAVE_SIG_ATOMIC_T_VOLATILE */
+
+/* If you have sigsetjmp */
+/* #undef HAVE_SIGSETJMP */
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define to 1 if you have the <ssl.h> header file. */
+/* #undef HAVE_SSL_H */
+#define HAVE_SSL_H 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the `strcasecmp' function. */
+#define HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the `strcmpi' function. */
+/* #undef HAVE_STRCMPI */
+
+/* Define to 1 if you have the `strdup' function. */
+#define HAVE_STRDUP 1
+
+/* Define to 1 if you have the `strerror_r' function. */
+#define HAVE_STRERROR_R 1
+
+/* Define to 1 if you have the `stricmp' function. */
+/* #undef HAVE_STRICMP */
+#define HAVE_STRICMP 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the `strlcpy' function. */
+/* #undef HAVE_STRLCPY */
+
+/* Define to 1 if you have the `strstr' function. */
+#define HAVE_STRSTR 1
+
+/* Define to 1 if you have the `strtok_r' function. */
+#define HAVE_STRTOK_R 1
+
+/* Define to 1 if you have the `strtoll' function. */
+#define HAVE_STRTOLL 1
+
+/* if struct sockaddr_storage is defined */
+/* #undef HAVE_STRUCT_SOCKADDR_STORAGE */
+
+/* Define this if you have struct timeval */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* Define to 1 if you have the <sys/filio.h> header file. */
+#define HAVE_SYS_FILIO_H 1
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#define HAVE_SYS_PARAM_H 1
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+/* #undef HAVE_SYS_POLL_H */
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define HAVE_SYS_RESOURCE_H 1
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#define HAVE_SYS_SELECT_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+/* #undef HAVE_SYS_SOCKIO_H */
+#define HAVE_SYS_SOCKIO_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/utime.h> header file. */
+/* #undef HAVE_SYS_UTIME_H */
+
+/* Define to 1 if you have the <termios.h> header file. */
+/* #undef HAVE_TERMIOS_H */
+
+/* Define to 1 if you have the <termio.h> header file. */
+/* #undef HAVE_TERMIO_H */
+
+/* Define to 1 if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define to 1 if you have the <tld.h> header file. */
+/* #undef HAVE_TLD_H */
+
+/* Define to 1 if you have the `tld_strerror' function. */
+/* #undef HAVE_TLD_STRERROR */
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `utime' function. */
+#define HAVE_UTIME 1
+
+/* Define to 1 if you have the <utime.h> header file. */
+#define HAVE_UTIME_H 1
+
+/* Define to 1 if you have the <winsock2.h> header file. */
+/* #undef HAVE_WINSOCK2_H */
+
+/* Define to 1 if you have the <winsock.h> header file. */
+/* #undef HAVE_WINSOCK_H */
+
+/* Define this symbol if your OS supports changing the contents of argv */
+/* #undef HAVE_WRITABLE_ARGV */
+
+/* Define to 1 if you have the ws2tcpip.h header file. */
+/* #undef HAVE_WS2TCPIP_H */
+
+/* Define to 1 if you have the <x509.h> header file. */
+/* #undef HAVE_X509_H */
+
+/* if you have the zlib.h header file */
+/* #undef HAVE_ZLIB_H */
+
+/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
+/* #undef NEED_REENTRANT */
+
+/* Define to 1 if _THREAD_SAFE preprocessor symbol must be defined. */
+/* #undef NEED_THREAD_SAFE */
+
+/* cpu-machine-OS */
+#define OS "s390x-ibm-tpf"
+
+/* Name of package */
+#define PACKAGE "curl"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT \
+  "a suitable curl mailing list => https://curl.haxx.se/mail/"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "curl"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "curl -"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "curl"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "-"
+
+/* a suitable file to read random data from */
+/* #undef RANDOM_FILE */
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* Define to the type of arg 1 for `select'. */
+#define SELECT_TYPE_ARG1 int
+
+/* Define to the type of args 2, 3 and 4 for `select'. */
+#define SELECT_TYPE_ARG234 (fd_set *)
+
+/* Define to the type of arg 5 for `select'. */
+#define SELECT_TYPE_ARG5 (struct timeval *)
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of `off_t', as computed by sizeof. */
+#define SIZEOF_OFF_T 8
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* Define to the size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 8
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 8
+
+/* The size of `time_t', as computed by sizeof. */
+#define SIZEOF_TIME_T 8
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* Define if you want to enable ares support */
+/* #undef USE_ARES */
+
+/* Define to disable non-blocking sockets */
+/* #undef USE_BLOCKING_SOCKETS */
+
+/* if GnuTLS is enabled */
+/* #undef USE_GNUTLS */
+
+/* If you want to build curl with the built-in manual */
+/* #undef USE_MANUAL */
+
+/* if OpenSSL is in use */
+/* #undef USE_OPENSSL */
+
+/* if SSL is enabled */
+/* #undef USE_OPENSSL */
+
+/* to enable SSPI support */
+/* #undef USE_WINDOWS_SSPI */
+
+/* Version number of package */
+#define VERSION "not-used"
+
+/* Define to avoid automatic inclusion of winsock.h */
+/* #undef WIN32_LEAN_AND_MEAN */
+
+/* Define to 1 if on AIX 3.
+   System headers sometimes define this.
+   We just want to avoid a redefinition error message.  */
+#ifndef _ALL_SOURCE
+/* # undef _ALL_SOURCE */
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+/* #undef _FILE_OFFSET_BITS */
+
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* type to use in place of in_addr_t if not defined */
+/* #undef in_addr_t */
+
+/* Define to `unsigned' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+/* the signed version of size_t */
+/* #undef ssize_t */
+
+/* Define to 1 if you have the getnameinfo function. */
+/* #undef HAVE_GETNAMEINFO 1 */
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+/* #undef GETNAMEINFO_QUAL_ARG1 const */
+
+/* Define to the type of arg 1 for getnameinfo. */
+/* #undef GETNAMEINFO_TYPE_ARG1 struct sockaddr * */
+
+/* Define to the type of arg 2 for getnameinfo. */
+/* #undef GETNAMEINFO_TYPE_ARG2 socklen_t */
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+/* #undef GETNAMEINFO_TYPE_ARG46 size_t */
+
+/* Define to the type of arg 7 for getnameinfo. */
+/* #undef GETNAMEINFO_TYPE_ARG7 int */
+
+/* Define to 1 if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 char *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV int
+
+/* Define to 1 if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 int
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 char
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 int
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV int
+
+/* Define to 1 if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 int
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 char *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV int
+
+#define CURL_DOES_CONVERSIONS
+#ifndef CURL_ICONV_CODESET_OF_HOST
+#define CURL_ICONV_CODESET_OF_HOST "IBM-1047"
+#endif
+
+
+#endif /* HEADER_CURL_CONFIG_TPF_H */
Index: trunk/src/libs/curl-7.64.0/lib/config-vxworks.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/config-vxworks.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/config-vxworks.h	(revision 85671)
@@ -0,0 +1,922 @@
+#ifndef HEADER_CURL_CONFIG_VXWORKS_H
+#define HEADER_CURL_CONFIG_VXWORKS_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* =============================================================== */
+/*               Hand crafted config file for VxWorks              */
+/* =============================================================== */
+
+/* Location of default ca bundle */
+/* #undef CURL_CA_BUNDLE */
+
+/* Location of default ca path */
+/* #undef CURL_CA_PATH */
+
+/* to disable cookies support */
+/* #undef CURL_DISABLE_COOKIES */
+
+/* to disable cryptographic authentication */
+/* #undef CURL_DISABLE_CRYPTO_AUTH */
+
+/* to disable DICT */
+/* #undef CURL_DISABLE_DICT */
+
+/* to disable FILE */
+/* #undef CURL_DISABLE_FILE */
+
+/* to disable FTP */
+#define CURL_DISABLE_FTP 1
+
+/* to disable HTTP */
+/* #undef CURL_DISABLE_HTTP */
+
+/* to disable LDAP */
+#define CURL_DISABLE_LDAP 1
+
+/* to disable LDAPS */
+#define CURL_DISABLE_LDAPS 1
+
+/* to disable NTLM authentication */
+#define CURL_DISABLE_NTLM 1
+
+/* to disable proxies */
+/* #undef CURL_DISABLE_PROXY */
+
+/* to disable TELNET */
+#define CURL_DISABLE_TELNET 1
+
+/* to disable TFTP */
+#define CURL_DISABLE_TFTP 1
+
+/* to disable verbose strings */
+/* #undef CURL_DISABLE_VERBOSE_STRINGS */
+
+/* Definition to make a library symbol externally visible. */
+/* #undef CURL_EXTERN_SYMBOL */
+
+/* Use Windows LDAP implementation */
+/* #undef USE_WIN32_LDAP */
+
+/* your Entropy Gathering Daemon socket pathname */
+/* #undef EGD_SOCKET */
+
+/* Define if you want to enable IPv6 support */
+#define ENABLE_IPV6 1
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 size_t
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 unsigned int
+
+/* Specifies the number of arguments to getservbyport_r */
+#define GETSERVBYPORT_R_ARGS 6
+
+/* Specifies the size of the buffer to pass to getservbyport_r */
+#define GETSERVBYPORT_R_BUFSIZE 4096
+
+/* Define to 1 if you have the alarm function. */
+#define HAVE_ALARM 1
+
+/* Define to 1 if you have the <alloca.h> header file. */
+#define HAVE_ALLOCA_H 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <arpa/tftp.h> header file. */
+/* #undef HAVE_ARPA_TFTP_H */
+
+/* Define to 1 if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the `basename' function. */
+/* #undef HAVE_BASENAME */
+
+/* Define to 1 if bool is an available type. */
+#define HAVE_BOOL_T 1
+
+/* Define to 1 if you have the clock_gettime function and monotonic timer. */
+/* #undef HAVE_CLOCK_GETTIME_MONOTONIC */
+
+/* Define to 1 if you have the `closesocket' function. */
+/* #undef HAVE_CLOSESOCKET */
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function. */
+#define HAVE_CRYPTO_CLEANUP_ALL_EX_DATA 1
+
+/* Define to 1 if you have the <crypto.h> header file. */
+/* #undef HAVE_CRYPTO_H */
+
+/* Define to 1 if you have the <des.h> header file. */
+/* #undef HAVE_DES_H */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the `ENGINE_load_builtin_engines' function. */
+#define HAVE_ENGINE_LOAD_BUILTIN_ENGINES 1
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the <err.h> header file. */
+/* #undef HAVE_ERR_H */
+
+/* Define to 1 if you have the fcntl function. */
+#define HAVE_FCNTL 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have a working fcntl O_NONBLOCK function. */
+#define HAVE_FCNTL_O_NONBLOCK 1
+
+/* Define to 1 if you have the fdopen function. */
+#define HAVE_FDOPEN 1
+
+/* Define to 1 if you have the `fork' function. */
+#define HAVE_FORK 1
+
+/* Define to 1 if you have the freeaddrinfo function. */
+#define HAVE_FREEADDRINFO 1
+
+/* Define to 1 if you have the freeifaddrs function. */
+#define HAVE_FREEIFADDRS 1
+
+/* Define to 1 if you have the ftruncate function. */
+#define HAVE_FTRUNCATE 1
+
+/* Define to 1 if you have a working getaddrinfo function. */
+#define HAVE_GETADDRINFO 1
+
+/* Define to 1 if you have the `geteuid' function. */
+/* #undef HAVE_GETEUID */
+
+/* Define to 1 if you have the gethostbyaddr function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* Define to 1 if you have the gethostbyaddr_r function. */
+#define HAVE_GETHOSTBYADDR_R 1
+
+/* gethostbyaddr_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYADDR_R_5 */
+
+/* gethostbyaddr_r() takes 7 args */
+/* #undef HAVE_GETHOSTBYADDR_R_7 */
+
+/* gethostbyaddr_r() takes 8 args */
+#define HAVE_GETHOSTBYADDR_R_8 1
+
+/* Define to 1 if you have the gethostbyname function. */
+#define HAVE_GETHOSTBYNAME 1
+
+/* Define to 1 if you have the gethostbyname_r function. */
+/* #undef HAVE_GETHOSTBYNAME_R */
+
+/* gethostbyname_r() takes 3 args */
+/* #undef HAVE_GETHOSTBYNAME_R_3 */
+
+/* gethostbyname_r() takes 5 args */
+/* #undef HAVE_GETHOSTBYNAME_R_5 */
+
+/* gethostbyname_r() takes 6 args */
+/* #undef HAVE_GETHOSTBYNAME_R_6 */
+
+/* Define to 1 if you have the gethostname function. */
+#define HAVE_GETHOSTNAME 1
+
+/* Define to 1 if you have a working getifaddrs function. */
+/* #undef HAVE_GETIFADDRS */
+
+/* Define to 1 if you have the getnameinfo function. */
+#define HAVE_GETNAMEINFO 1
+
+/* Define to 1 if you have the `getpass_r' function. */
+/* #undef HAVE_GETPASS_R */
+
+/* Define to 1 if you have the `getppid' function. */
+#define HAVE_GETPPID 1
+
+/* Define to 1 if you have the `getprotobyname' function. */
+#define HAVE_GETPROTOBYNAME 1
+
+/* Define to 1 if you have the `getpwuid' function. */
+/* #undef HAVE_GETPWUID */
+
+/* Define to 1 if you have the `getrlimit' function. */
+#define HAVE_GETRLIMIT 1
+
+/* Define to 1 if you have the getservbyport_r function. */
+/* #undef HAVE_GETSERVBYPORT_R */
+
+/* Define to 1 if you have the `gettimeofday' function. */
+/* #undef HAVE_GETTIMEOFDAY */
+
+/* Define to 1 if you have a working glibc-style strerror_r function. */
+/* #undef HAVE_GLIBC_STRERROR_R */
+
+/* Define to 1 if you have a working gmtime_r function. */
+#define HAVE_GMTIME_R 1
+
+/* if you have the gssapi libraries */
+/* #undef HAVE_GSSAPI */
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_GENERIC_H */
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_H */
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+/* #undef HAVE_GSSAPI_GSSAPI_KRB5_H */
+
+/* if you have the GNU gssapi libraries */
+/* #undef HAVE_GSSGNU */
+
+/* if you have the Heimdal gssapi libraries */
+/* #undef HAVE_GSSHEIMDAL */
+
+/* if you have the MIT gssapi libraries */
+/* #undef HAVE_GSSMIT */
+
+/* Define to 1 if you have the `idna_strerror' function. */
+/* #undef HAVE_IDNA_STRERROR */
+
+/* Define to 1 if you have the `idn_free' function. */
+/* #undef HAVE_IDN_FREE */
+
+/* Define to 1 if you have the <idn-free.h> header file. */
+/* #undef HAVE_IDN_FREE_H */
+
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+/* #undef HAVE_IFADDRS_H */
+
+/* Define to 1 if you have the `inet_addr' function. */
+#define HAVE_INET_ADDR 1
+
+/* Define to 1 if you have the inet_ntoa_r function. */
+/* #undef HAVE_INET_NTOA_R */
+
+/* inet_ntoa_r() takes 2 args */
+/* #undef HAVE_INET_NTOA_R_2 */
+
+/* inet_ntoa_r() takes 3 args */
+/* #undef HAVE_INET_NTOA_R_3 */
+
+/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
+/* #undef HAVE_INET_NTOP */
+
+/* Define to 1 if you have a IPv6 capable working inet_pton function. */
+/* #undef HAVE_INET_PTON */
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the ioctl function. */
+#define HAVE_IOCTL 1
+
+/* Define to 1 if you have the ioctlsocket function. */
+/* #undef HAVE_IOCTLSOCKET */
+
+/* Define to 1 if you have the IoctlSocket camel case function. */
+/* #undef HAVE_IOCTLSOCKET_CAMEL */
+
+/* Define to 1 if you have a working IoctlSocket camel case FIONBIO function.
+   */
+/* #undef HAVE_IOCTLSOCKET_CAMEL_FIONBIO */
+
+/* Define to 1 if you have a working ioctlsocket FIONBIO function. */
+/* #undef HAVE_IOCTLSOCKET_FIONBIO */
+
+/* Define to 1 if you have a working ioctl FIONBIO function. */
+#define HAVE_IOCTL_FIONBIO 1
+
+/* Define to 1 if you have a working ioctl SIOCGIFADDR function. */
+#define HAVE_IOCTL_SIOCGIFADDR 1
+
+/* Define to 1 if you have the <io.h> header file. */
+#define HAVE_IO_H 1
+
+/* if you have the Kerberos4 libraries (including -ldes) */
+/* #undef HAVE_KRB4 */
+
+/* Define to 1 if you have the `krb_get_our_ip_for_realm' function. */
+/* #undef HAVE_KRB_GET_OUR_IP_FOR_REALM */
+
+/* Define to 1 if you have the <krb.h> header file. */
+/* #undef HAVE_KRB_H */
+
+/* Define to 1 if you have the lber.h header file. */
+/* #undef HAVE_LBER_H */
+
+/* Define to 1 if you have the ldapssl.h header file. */
+/* #undef HAVE_LDAPSSL_H */
+
+/* Define to 1 if you have the ldap.h header file. */
+/* #undef HAVE_LDAP_H */
+
+/* Use LDAPS implementation */
+/* #undef HAVE_LDAP_SSL */
+
+/* Define to 1 if you have the ldap_ssl.h header file. */
+/* #undef HAVE_LDAP_SSL_H */
+
+/* Define to 1 if you have the `ldap_url_parse' function. */
+/* #undef HAVE_LDAP_URL_PARSE */
+
+/* Define to 1 if you have the <libgen.h> header file. */
+/* #undef HAVE_LIBGEN_H */
+
+/* Define to 1 if you have the `idn' library (-lidn). */
+/* #undef HAVE_LIBIDN */
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+/* #undef HAVE_LIBRESOLV */
+
+/* Define to 1 if you have the `resolve' library (-lresolve). */
+/* #undef HAVE_LIBRESOLVE */
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+/* #undef HAVE_LIBSOCKET */
+
+/* Define to 1 if you have the `ssh2' library (-lssh2). */
+/* #undef HAVE_LIBSSH2 */
+
+/* Define to 1 if you have the <libssh2.h> header file. */
+/* #undef HAVE_LIBSSH2_H */
+
+/* Define to 1 if you have the `libssh2_version' function. */
+/* #undef HAVE_LIBSSH2_VERSION */
+
+/* Define to 1 if you have the `ssl' library (-lssl). */
+#define HAVE_LIBSSL 1
+
+/* if zlib is available */
+#define HAVE_LIBZ 1
+
+/* if your compiler supports LL */
+#define HAVE_LL 1
+
+/* Define to 1 if you have the <locale.h> header file. */
+#define HAVE_LOCALE_H 1
+
+/* Define to 1 if you have a working localtime_r function. */
+#define HAVE_LOCALTIME_R 1
+
+/* Define to 1 if the compiler supports the 'long long' data type. */
+#define HAVE_LONGLONG 1
+
+/* Define to 1 if you have the malloc.h header file. */
+#define HAVE_MALLOC_H 1
+
+/* Define to 1 if you have the memory.h header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the MSG_NOSIGNAL flag. */
+/* #undef HAVE_MSG_NOSIGNAL */
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#define HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#define HAVE_NETINET_TCP_H 1
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#define HAVE_NET_IF_H 1
+
+/* Define to 1 if NI_WITHSCOPEID exists and works. */
+/* #undef HAVE_NI_WITHSCOPEID */
+
+/* if you have an old MIT gssapi library, lacking GSS_C_NT_HOSTBASED_SERVICE
+   */
+/* #undef HAVE_OLD_GSSMIT */
+
+/* Define to 1 if you have the <openssl/crypto.h> header file. */
+#define HAVE_OPENSSL_CRYPTO_H 1
+
+/* Define to 1 if you have the <openssl/engine.h> header file. */
+#define HAVE_OPENSSL_ENGINE_H 1
+
+/* Define to 1 if you have the <openssl/err.h> header file. */
+#define HAVE_OPENSSL_ERR_H 1
+
+/* Define to 1 if you have the <openssl/pem.h> header file. */
+#define HAVE_OPENSSL_PEM_H 1
+
+/* Define to 1 if you have the <openssl/pkcs12.h> header file. */
+#define HAVE_OPENSSL_PKCS12_H 1
+
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+#define HAVE_OPENSSL_RSA_H 1
+
+/* Define to 1 if you have the <openssl/ssl.h> header file. */
+#define HAVE_OPENSSL_SSL_H 1
+
+/* Define to 1 if you have the <openssl/x509.h> header file. */
+#define HAVE_OPENSSL_X509_H 1
+
+/* Define to 1 if you have the <pem.h> header file. */
+/* #undef HAVE_PEM_H */
+
+/* Define to 1 if you have the `perror' function. */
+#define HAVE_PERROR 1
+
+/* Define to 1 if you have the `pipe' function. */
+#define HAVE_PIPE 1
+
+/* Define to 1 if you have a working poll function. */
+/* #undef HAVE_POLL */
+
+/* If you have a fine poll */
+/* #undef HAVE_POLL_FINE */
+
+/* Define to 1 if you have the <poll.h> header file. */
+/* #undef HAVE_POLL_H */
+
+/* Define to 1 if you have a working POSIX-style strerror_r function. */
+/* #undef HAVE_POSIX_STRERROR_R */
+
+/* Define to 1 if you have the <pwd.h> header file. */
+/* #undef HAVE_PWD_H */
+
+/* Define to 1 if you have the `RAND_egd' function. */
+#define HAVE_RAND_EGD 1
+
+/* Define to 1 if you have the `RAND_screen' function. */
+/* #undef HAVE_RAND_SCREEN */
+
+/* Define to 1 if you have the `RAND_status' function. */
+#define HAVE_RAND_STATUS 1
+
+/* Define to 1 if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to 1 if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to 1 if you have the <rsa.h> header file. */
+/* #undef HAVE_RSA_H */
+
+/* Define to 1 if you have the select function. */
+#define HAVE_SELECT 1
+
+/* Define to 1 if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#define HAVE_SETJMP_H 1
+
+/* Define to 1 if you have the `setlocale' function. */
+#define HAVE_SETLOCALE 1
+
+/* Define to 1 if you have the `setmode' function. */
+#define HAVE_SETMODE 1
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define HAVE_SETRLIMIT 1
+
+/* Define to 1 if you have the setsockopt function. */
+#define HAVE_SETSOCKOPT 1
+
+/* Define to 1 if you have a working setsockopt SO_NONBLOCK function. */
+/* #undef HAVE_SETSOCKOPT_SO_NONBLOCK */
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+/* #undef HAVE_SGTTY_H */
+
+/* Define to 1 if you have the sigaction function. */
+#define HAVE_SIGACTION 1
+
+/* Define to 1 if you have the siginterrupt function. */
+#define HAVE_SIGINTERRUPT 1
+
+/* Define to 1 if you have the signal function. */
+#define HAVE_SIGNAL 1
+
+/* Define to 1 if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define to 1 if you have the sigsetjmp function or macro. */
+/* #undef HAVE_SIGSETJMP */
+
+/* Define to 1 if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define to 1 if sig_atomic_t is already defined as volatile. */
+/* #undef HAVE_SIG_ATOMIC_T_VOLATILE */
+
+/* Define to 1 if struct sockaddr_in6 has the sin6_scope_id member */
+#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define to 1 if you have the `SSL_get_shutdown' function. */
+#define HAVE_SSL_GET_SHUTDOWN 1
+
+/* Define to 1 if you have the <ssl.h> header file. */
+/* #undef HAVE_SSL_H */
+
+/* Define to 1 if you have the <stdbool.h> header file. */
+#define HAVE_STDBOOL_H 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+/* #undef HAVE_STDINT_H */
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the strcasecmp function. */
+#define HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the strcmpi function. */
+/* #undef HAVE_STRCMPI */
+
+/* Define to 1 if you have the strdup function. */
+#define HAVE_STRDUP 1
+
+/* Define to 1 if you have the strerror_r function. */
+#define HAVE_STRERROR_R 1
+
+/* Define to 1 if you have the stricmp function. */
+/* #undef HAVE_STRICMP */
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the `strlcpy' function. */
+/* #undef HAVE_STRLCPY */
+
+/* Define to 1 if you have the strncasecmp function. */
+#define HAVE_STRNCASECMP 1
+
+/* Define to 1 if you have the strncmpi function. */
+/* #undef HAVE_STRNCMPI */
+
+/* Define to 1 if you have the strnicmp function. */
+/* #undef HAVE_STRNICMP */
+
+/* Define to 1 if you have the <stropts.h> header file. */
+/* #undef HAVE_STROPTS_H */
+
+/* Define to 1 if you have the strstr function. */
+#define HAVE_STRSTR 1
+
+/* Define to 1 if you have the strtok_r function. */
+#define HAVE_STRTOK_R 1
+
+/* Define to 1 if you have the strtoll function. */
+/* #undef HAVE_STRTOLL */
+
+/* if struct sockaddr_storage is defined */
+#define HAVE_STRUCT_SOCKADDR_STORAGE 1
+
+/* Define to 1 if you have the timeval struct. */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* Define to 1 if you have the <sys/filio.h> header file. */
+/* #undef HAVE_SYS_FILIO_H */
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+/* #undef HAVE_SYS_PARAM_H */
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+/* #undef HAVE_SYS_POLL_H */
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define HAVE_SYS_RESOURCE_H 1
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+/* #undef HAVE_SYS_SELECT_H */
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+/* #undef HAVE_SYS_SOCKIO_H */
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+/* #undef HAVE_SYS_TIME_H */
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#define HAVE_SYS_UIO_H 1
+
+/* Define to 1 if you have the <sys/un.h> header file. */
+#define HAVE_SYS_UN_H 1
+
+/* Define to 1 if you have the <sys/utime.h> header file. */
+#define HAVE_SYS_UTIME_H 1
+
+/* Define to 1 if you have the <termios.h> header file. */
+#define HAVE_TERMIOS_H 1
+
+/* Define to 1 if you have the <termio.h> header file. */
+#define HAVE_TERMIO_H 1
+
+/* Define to 1 if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define to 1 if you have the <tld.h> header file. */
+/* #undef HAVE_TLD_H */
+
+/* Define to 1 if you have the `tld_strerror' function. */
+/* #undef HAVE_TLD_STRERROR */
+
+/* Define to 1 if you have the `uname' function. */
+#define HAVE_UNAME 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `utime' function. */
+#define HAVE_UTIME 1
+
+/* Define to 1 if you have the <utime.h> header file. */
+#define HAVE_UTIME_H 1
+
+/* Define to 1 if compiler supports C99 variadic macro style. */
+#define HAVE_VARIADIC_MACROS_C99 1
+
+/* Define to 1 if compiler supports old gcc variadic macro style. */
+#define HAVE_VARIADIC_MACROS_GCC 1
+
+/* Define to 1 if you have a working vxworks-style strerror_r function. */
+#define HAVE_VXWORKS_STRERROR_R 1
+
+/* Define to 1 if you have the winber.h header file. */
+/* #undef HAVE_WINBER_H */
+
+/* Define to 1 if you have the windows.h header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* Define to 1 if you have the winldap.h header file. */
+/* #undef HAVE_WINLDAP_H */
+
+/* Define to 1 if you have the winsock2.h header file. */
+/* #undef HAVE_WINSOCK2_H */
+
+/* Define to 1 if you have the winsock.h header file. */
+/* #undef HAVE_WINSOCK_H */
+
+/* Define this symbol if your OS supports changing the contents of argv */
+#define HAVE_WRITABLE_ARGV 1
+
+/* Define to 1 if you have the writev function. */
+#define HAVE_WRITEV 1
+
+/* Define to 1 if you have the ws2tcpip.h header file. */
+/* #undef HAVE_WS2TCPIP_H */
+
+/* Define to 1 if you have the <x509.h> header file. */
+/* #undef HAVE_X509_H */
+
+/* if you have the zlib.h header file */
+#define HAVE_ZLIB_H 1
+
+/* Define to 1 if you need the lber.h header file even with ldap.h */
+/* #undef NEED_LBER_H */
+
+/* Define to 1 if you need the malloc.h header file even with stdlib.h */
+/* #undef NEED_MALLOC_H */
+
+/* Define to 1 if you need the memory.h header file even with stdlib.h */
+/* #undef NEED_MEMORY_H */
+
+/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
+/* #undef NEED_REENTRANT */
+
+/* Define to 1 if _THREAD_SAFE preprocessor symbol must be defined. */
+/* #undef NEED_THREAD_SAFE */
+
+/* Define to 1 if the open function requires three arguments. */
+#define OPEN_NEEDS_ARG3 1
+
+/* cpu-machine-OS */
+#define OS "unknown-unknown-vxworks"
+
+/* Name of package */
+#define PACKAGE "curl"
+
+/* a suitable file to read random data from */
+#define RANDOM_FILE "/dev/urandom"
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 int
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 void
+
+/* Define to 1 if the type pointed by arg 2 for recvfrom is void. */
+#define RECVFROM_TYPE_ARG2_IS_VOID 1
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to 1 if the type pointed by arg 5 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG5_IS_VOID */
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 socklen_t
+
+/* Define to 1 if the type pointed by arg 6 for recvfrom is void. */
+/* #undef RECVFROM_TYPE_ARG6_IS_VOID */
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV int
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV int
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* Define to the type qualifier of arg 5 for select. */
+#define SELECT_QUAL_ARG5
+
+/* Define to the type of arg 1 for select. */
+#define SELECT_TYPE_ARG1 int
+
+/* Define to the type of args 2, 3 and 4 for select. */
+#define SELECT_TYPE_ARG234 fd_set *
+
+/* Define to the type of arg 5 for select. */
+#define SELECT_TYPE_ARG5 struct timeval *
+
+/* Define to the function return type for select. */
+#define SELECT_TYPE_RETV int
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 int
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 void *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 size_t
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV int
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 4
+
+/* The size of `off_t', as computed by sizeof. */
+#define SIZEOF_OFF_T 8
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 4
+
+/* The size of `time_t', as computed by sizeof. */
+#define SIZEOF_TIME_T 4
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define to the type of arg 3 for strerror_r. */
+/* #undef STRERROR_R_TYPE_ARG3 */
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+/* #undef TIME_WITH_SYS_TIME */
+
+/* Define if you want to enable c-ares support */
+/* #undef USE_ARES */
+
+/* Define to disable non-blocking sockets. */
+/* #undef USE_BLOCKING_SOCKETS */
+
+/* if GnuTLS is enabled */
+/* #undef USE_GNUTLS */
+
+/* if libSSH2 is in use */
+/* #undef USE_LIBSSH2 */
+
+/* If you want to build curl with the built-in manual */
+#define USE_MANUAL 1
+
+/* if NSS is enabled */
+/* #undef USE_NSS */
+
+/* if OpenSSL is in use */
+#define USE_OPENSSL 1
+
+/* Define to 1 if you are building a Windows target without large file
+   support. */
+/* #undef USE_WIN32_LARGE_FILES */
+
+/* to enable SSPI support */
+/* #undef USE_WINDOWS_SSPI */
+
+/* Define to 1 if using yaSSL in OpenSSL compatibility mode. */
+/* #undef USE_YASSLEMUL */
+
+/* Define to avoid automatic inclusion of winsock.h */
+/* #undef WIN32_LEAN_AND_MEAN */
+
+/* Define to 1 if OS is AIX. */
+#ifndef _ALL_SOURCE
+/* #  undef _ALL_SOURCE */
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+/* #undef _FILE_OFFSET_BITS */
+
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Type to use in place of in_addr_t when system does not provide it. */
+/* #undef in_addr_t */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+/* #undef inline */
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+/* the signed version of size_t */
+/* #undef ssize_t */
+
+#endif /* HEADER_CURL_CONFIG_VXWORKS_H */
Index: trunk/src/libs/curl-7.64.0/lib/config-win32.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/config-win32.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/config-win32.h	(revision 85671)
@@ -0,0 +1,743 @@
+#ifndef HEADER_CURL_CONFIG_WIN32_H
+#define HEADER_CURL_CONFIG_WIN32_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* ================================================================ */
+/*               Hand crafted config file for Windows               */
+/* ================================================================ */
+
+/* ---------------------------------------------------------------- */
+/*                          HEADER FILES                            */
+/* ---------------------------------------------------------------- */
+
+/* Define if you have the <arpa/inet.h> header file. */
+/* #define HAVE_ARPA_INET_H 1 */
+
+/* Define if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define if you have the <crypto.h> header file. */
+/* #define HAVE_CRYPTO_H 1 */
+
+/* Define if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define if you have the <err.h> header file. */
+/* #define HAVE_ERR_H 1 */
+
+/* Define if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define if you have the <getopt.h> header file. */
+#if defined(__MINGW32__) || defined(__POCC__)
+#define HAVE_GETOPT_H 1
+#endif
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1800)
+#define HAVE_INTTYPES_H 1
+#endif
+
+/* Define if you have the <io.h> header file. */
+#define HAVE_IO_H 1
+
+/* Define if you have the <locale.h> header file. */
+#define HAVE_LOCALE_H 1
+
+/* Define if you need <malloc.h> header even with <stdlib.h> header file. */
+#if !defined(__SALFORDC__) && !defined(__POCC__)
+#define NEED_MALLOC_H 1
+#endif
+
+/* Define if you have the <netdb.h> header file. */
+/* #define HAVE_NETDB_H 1 */
+
+/* Define if you have the <netinet/in.h> header file. */
+/* #define HAVE_NETINET_IN_H 1 */
+
+/* Define if you have the <process.h> header file. */
+#ifndef __SALFORDC__
+#define HAVE_PROCESS_H 1
+#endif
+
+/* Define if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define if you have the <sgtty.h> header file. */
+/* #define HAVE_SGTTY_H 1 */
+
+/* Define if you have the <ssl.h> header file. */
+/* #define HAVE_SSL_H 1 */
+
+/* Define to 1 if you have the <stdbool.h> header file. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1800)
+#define HAVE_STDBOOL_H 1
+#endif
+
+/* Define if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define if you have the <sys/param.h> header file. */
+/* #define HAVE_SYS_PARAM_H 1 */
+
+/* Define if you have the <sys/select.h> header file. */
+/* #define HAVE_SYS_SELECT_H 1 */
+
+/* Define if you have the <sys/socket.h> header file. */
+/* #define HAVE_SYS_SOCKET_H 1 */
+
+/* Define if you have the <sys/sockio.h> header file. */
+/* #define HAVE_SYS_SOCKIO_H 1 */
+
+/* Define if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define if you have the <sys/time.h> header file. */
+/* #define HAVE_SYS_TIME_H 1 */
+
+/* Define if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define if you have the <sys/utime.h> header file. */
+#ifndef __BORLANDC__
+#define HAVE_SYS_UTIME_H 1
+#endif
+
+/* Define if you have the <termio.h> header file. */
+/* #define HAVE_TERMIO_H 1 */
+
+/* Define if you have the <termios.h> header file. */
+/* #define HAVE_TERMIOS_H 1 */
+
+/* Define if you have the <time.h> header file. */
+#define HAVE_TIME_H 1
+
+/* Define if you have the <unistd.h> header file. */
+#if defined(__MINGW32__) || defined(__WATCOMC__) || defined(__LCC__) || \
+    defined(__POCC__)
+#define HAVE_UNISTD_H 1
+#endif
+
+/* Define if you have the <windows.h> header file. */
+#define HAVE_WINDOWS_H 1
+
+/* Define if you have the <winsock.h> header file. */
+#define HAVE_WINSOCK_H 1
+
+/* Define if you have the <winsock2.h> header file. */
+#ifndef __SALFORDC__
+#define HAVE_WINSOCK2_H 1
+#endif
+
+/* Define if you have the <ws2tcpip.h> header file. */
+#ifndef __SALFORDC__
+#define HAVE_WS2TCPIP_H 1
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                        OTHER HEADER INFO                         */
+/* ---------------------------------------------------------------- */
+
+/* Define if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define if you can safely include both <sys/time.h> and <time.h>. */
+/* #define TIME_WITH_SYS_TIME 1 */
+
+/* Define to 1 if bool is an available type. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1800)
+#define HAVE_BOOL_T 1
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                             FUNCTIONS                            */
+/* ---------------------------------------------------------------- */
+
+/* Define if you have the closesocket function. */
+#define HAVE_CLOSESOCKET 1
+
+/* Define if you don't have vprintf but do have _doprnt. */
+/* #define HAVE_DOPRNT 1 */
+
+/* Define if you have the ftruncate function. */
+#define HAVE_FTRUNCATE 1
+
+/* Define if you have the gethostbyaddr function. */
+#define HAVE_GETHOSTBYADDR 1
+
+/* Define if you have the gethostname function. */
+#define HAVE_GETHOSTNAME 1
+
+/* Define if you have the getpass function. */
+/* #define HAVE_GETPASS 1 */
+
+/* Define if you have the getservbyname function. */
+#define HAVE_GETSERVBYNAME 1
+
+/* Define if you have the getprotobyname function. */
+#define HAVE_GETPROTOBYNAME
+
+/* Define if you have the gettimeofday function. */
+/* #define HAVE_GETTIMEOFDAY 1 */
+
+/* Define if you have the inet_addr function. */
+#define HAVE_INET_ADDR 1
+
+/* Define if you have the ioctlsocket function. */
+#define HAVE_IOCTLSOCKET 1
+
+/* Define if you have a working ioctlsocket FIONBIO function. */
+#define HAVE_IOCTLSOCKET_FIONBIO 1
+
+/* Define if you have the perror function. */
+#define HAVE_PERROR 1
+
+/* Define if you have the RAND_screen function when using SSL. */
+#define HAVE_RAND_SCREEN 1
+
+/* Define if you have the `RAND_status' function when using SSL. */
+#define HAVE_RAND_STATUS 1
+
+/* Define if you have the `CRYPTO_cleanup_all_ex_data' function.
+   This is present in OpenSSL versions after 0.9.6b */
+#define HAVE_CRYPTO_CLEANUP_ALL_EX_DATA 1
+
+/* Define if you have the select function. */
+#define HAVE_SELECT 1
+
+/* Define if you have the setlocale function. */
+#define HAVE_SETLOCALE 1
+
+/* Define if you have the setmode function. */
+#define HAVE_SETMODE 1
+
+/* Define if you have the setvbuf function. */
+#define HAVE_SETVBUF 1
+
+/* Define if you have the socket function. */
+#define HAVE_SOCKET 1
+
+/* Define if you have the strcasecmp function. */
+/* #define HAVE_STRCASECMP 1 */
+
+/* Define if you have the strdup function. */
+#define HAVE_STRDUP 1
+
+/* Define if you have the strftime function. */
+#define HAVE_STRFTIME 1
+
+/* Define if you have the stricmp function. */
+#define HAVE_STRICMP 1
+
+/* Define if you have the strncasecmp function. */
+/* #define HAVE_STRNCASECMP 1 */
+
+/* Define if you have the strnicmp function. */
+#define HAVE_STRNICMP 1
+
+/* Define if you have the strstr function. */
+#define HAVE_STRSTR 1
+
+/* Define if you have the strtoll function. */
+#if defined(__MINGW32__) || defined(__WATCOMC__) || defined(__POCC__) || \
+    (defined(_MSC_VER) && (_MSC_VER >= 1800))
+#define HAVE_STRTOLL 1
+#endif
+
+/* Define if you have the tcgetattr function. */
+/* #define HAVE_TCGETATTR 1 */
+
+/* Define if you have the tcsetattr function. */
+/* #define HAVE_TCSETATTR 1 */
+
+/* Define if you have the utime function. */
+#ifndef __BORLANDC__
+#define HAVE_UTIME 1
+#endif
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 DWORD
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 int
+
+/* Define if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 SOCKET
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 char *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV int
+
+/* Define if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 SOCKET
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 char
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 int
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV int
+
+/* Define if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 SOCKET
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 char *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV int
+
+/* ---------------------------------------------------------------- */
+/*                       TYPEDEF REPLACEMENTS                       */
+/* ---------------------------------------------------------------- */
+
+/* Define if in_addr_t is not an available 'typedefed' type. */
+#define in_addr_t unsigned long
+
+/* Define to the return type of signal handlers (int or void). */
+#define RETSIGTYPE void
+
+/* Define if ssize_t is not an available 'typedefed' type. */
+#ifndef _SSIZE_T_DEFINED
+#  if (defined(__WATCOMC__) && (__WATCOMC__ >= 1240)) || \
+      defined(__POCC__) || \
+      defined(__MINGW32__)
+#  elif defined(_WIN64)
+#    define _SSIZE_T_DEFINED
+#    define ssize_t __int64
+#  else
+#    define _SSIZE_T_DEFINED
+#    define ssize_t int
+#  endif
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                            TYPE SIZES                            */
+/* ---------------------------------------------------------------- */
+
+/* Define to the size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* Define to the size of `long double', as computed by sizeof. */
+#define SIZEOF_LONG_DOUBLE 16
+
+/* Define to the size of `long long', as computed by sizeof. */
+/* #define SIZEOF_LONG_LONG 8 */
+
+/* Define to the size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* Define to the size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 4
+
+/* Define to the size of `size_t', as computed by sizeof. */
+#if defined(_WIN64)
+#  define SIZEOF_SIZE_T 8
+#else
+#  define SIZEOF_SIZE_T 4
+#endif
+
+/* Define to the size of `curl_off_t', as computed by sizeof. */
+#define SIZEOF_CURL_OFF_T 8
+
+/* ---------------------------------------------------------------- */
+/*               BSD-style lwIP TCP/IP stack SPECIFIC               */
+/* ---------------------------------------------------------------- */
+
+/* Define to use BSD-style lwIP TCP/IP stack. */
+/* #define USE_LWIPSOCK 1 */
+
+#ifdef USE_LWIPSOCK
+#  undef USE_WINSOCK
+#  undef HAVE_WINSOCK_H
+#  undef HAVE_WINSOCK2_H
+#  undef HAVE_WS2TCPIP_H
+#  undef HAVE_ERRNO_H
+#  undef HAVE_GETHOSTNAME
+#  undef HAVE_GETNAMEINFO
+#  undef LWIP_POSIX_SOCKETS_IO_NAMES
+#  undef RECV_TYPE_ARG1
+#  undef RECV_TYPE_ARG3
+#  undef SEND_TYPE_ARG1
+#  undef SEND_TYPE_ARG3
+#  define HAVE_FREEADDRINFO
+#  define HAVE_GETADDRINFO
+#  define HAVE_GETHOSTBYNAME
+#  define HAVE_GETHOSTBYNAME_R
+#  define HAVE_GETHOSTBYNAME_R_6
+#  define LWIP_POSIX_SOCKETS_IO_NAMES 0
+#  define RECV_TYPE_ARG1 int
+#  define RECV_TYPE_ARG3 size_t
+#  define SEND_TYPE_ARG1 int
+#  define SEND_TYPE_ARG3 size_t
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                        Watt-32 tcp/ip SPECIFIC                   */
+/* ---------------------------------------------------------------- */
+
+#ifdef USE_WATT32
+  #include <tcp.h>
+  #undef byte
+  #undef word
+  #undef USE_WINSOCK
+  #undef HAVE_WINSOCK_H
+  #undef HAVE_WINSOCK2_H
+  #undef HAVE_WS2TCPIP_H
+  #define HAVE_GETADDRINFO
+  #define HAVE_GETNAMEINFO
+  #define HAVE_SYS_IOCTL_H
+  #define HAVE_SYS_SOCKET_H
+  #define HAVE_NETINET_IN_H
+  #define HAVE_NETDB_H
+  #define HAVE_ARPA_INET_H
+  #define HAVE_FREEADDRINFO
+  #define SOCKET int
+#endif
+
+
+/* ---------------------------------------------------------------- */
+/*                        COMPILER SPECIFIC                         */
+/* ---------------------------------------------------------------- */
+
+/* Define to nothing if compiler does not support 'const' qualifier. */
+/* #define const */
+
+/* Define to nothing if compiler does not support 'volatile' qualifier. */
+/* #define volatile */
+
+/* Windows should not have HAVE_GMTIME_R defined */
+/* #undef HAVE_GMTIME_R */
+
+/* Define if the compiler supports C99 variadic macro style. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1400)
+#define HAVE_VARIADIC_MACROS_C99 1
+#endif
+
+/* Define if the compiler supports the 'long long' data type. */
+#if defined(__MINGW32__) || defined(__WATCOMC__)      || \
+    (defined(_MSC_VER)     && (_MSC_VER     >= 1310)) || \
+    (defined(__BORLANDC__) && (__BORLANDC__ >= 0x561))
+#define HAVE_LONGLONG 1
+#endif
+
+/* Define to avoid VS2005 complaining about portable C functions. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1400)
+#define _CRT_SECURE_NO_DEPRECATE 1
+#define _CRT_NONSTDC_NO_DEPRECATE 1
+#endif
+
+/* VS2005 and later default size for time_t is 64-bit, unless
+   _USE_32BIT_TIME_T has been defined to get a 32-bit time_t. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1400)
+#  ifndef _USE_32BIT_TIME_T
+#    define SIZEOF_TIME_T 8
+#  else
+#    define SIZEOF_TIME_T 4
+#  endif
+#endif
+
+/* Define some minimum and default build targets for Visual Studio */
+#if defined(_MSC_VER)
+   /* Officially, Microsoft's Windows SDK versions 6.X does not support Windows
+      2000 as a supported build target. VS2008 default installations provides
+      an embedded Windows SDK v6.0A along with the claim that Windows 2000 is a
+      valid build target for VS2008. Popular belief is that binaries built with
+      VS2008 using Windows SDK versions v6.X and Windows 2000 as a build target
+      are functional. */
+#  define VS2008_MIN_TARGET 0x0500
+
+   /* The minimum build target for VS2012 is Vista unless Update 1 is installed
+      and the v110_xp toolset is chosen. */
+#  if defined(_USING_V110_SDK71_)
+#    define VS2012_MIN_TARGET 0x0501
+#  else
+#    define VS2012_MIN_TARGET 0x0600
+#  endif
+
+   /* VS2008 default build target is Windows Vista. We override default target
+      to be Windows XP. */
+#  define VS2008_DEF_TARGET 0x0501
+
+   /* VS2012 default build target is Windows Vista unless Update 1 is installed
+      and the v110_xp toolset is chosen. */
+#  if defined(_USING_V110_SDK71_)
+#    define VS2012_DEF_TARGET 0x0501
+#  else
+#    define VS2012_DEF_TARGET 0x0600
+#  endif
+#endif
+
+/* VS2008 default target settings and minimum build target check. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1500) && (_MSC_VER <= 1600)
+#  ifndef _WIN32_WINNT
+#    define _WIN32_WINNT VS2008_DEF_TARGET
+#  endif
+#  ifndef WINVER
+#    define WINVER VS2008_DEF_TARGET
+#  endif
+#  if (_WIN32_WINNT < VS2008_MIN_TARGET) || (WINVER < VS2008_MIN_TARGET)
+#    error VS2008 does not support Windows build targets prior to Windows 2000
+#  endif
+#endif
+
+/* VS2012 default target settings and minimum build target check. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1700)
+#  ifndef _WIN32_WINNT
+#    define _WIN32_WINNT VS2012_DEF_TARGET
+#  endif
+#  ifndef WINVER
+#    define WINVER VS2012_DEF_TARGET
+#  endif
+#  if (_WIN32_WINNT < VS2012_MIN_TARGET) || (WINVER < VS2012_MIN_TARGET)
+#    if defined(_USING_V110_SDK71_)
+#      error VS2012 does not support Windows build targets prior to Windows XP
+#    else
+#      error VS2012 does not support Windows build targets prior to Windows \
+Vista
+#    endif
+#  endif
+#endif
+
+/* When no build target is specified Pelles C 5.00 and later default build
+   target is Windows Vista. We override default target to be Windows 2000. */
+#if defined(__POCC__) && (__POCC__ >= 500)
+#  ifndef _WIN32_WINNT
+#    define _WIN32_WINNT 0x0500
+#  endif
+#  ifndef WINVER
+#    define WINVER 0x0500
+#  endif
+#endif
+
+/* Availability of freeaddrinfo, getaddrinfo and getnameinfo functions is
+   quite convoluted, compiler dependent and even build target dependent. */
+#if defined(HAVE_WS2TCPIP_H)
+#  if defined(__POCC__)
+#    define HAVE_FREEADDRINFO           1
+#    define HAVE_GETADDRINFO            1
+#    define HAVE_GETADDRINFO_THREADSAFE 1
+#    define HAVE_GETNAMEINFO            1
+#  elif defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0501)
+#    define HAVE_FREEADDRINFO           1
+#    define HAVE_GETADDRINFO            1
+#    define HAVE_GETADDRINFO_THREADSAFE 1
+#    define HAVE_GETNAMEINFO            1
+#  elif defined(_MSC_VER) && (_MSC_VER >= 1200)
+#    define HAVE_FREEADDRINFO           1
+#    define HAVE_GETADDRINFO            1
+#    define HAVE_GETADDRINFO_THREADSAFE 1
+#    define HAVE_GETNAMEINFO            1
+#  endif
+#endif
+
+#if defined(__POCC__)
+#  ifndef _MSC_VER
+#    error Microsoft extensions /Ze compiler option is required
+#  endif
+#  ifndef __POCC__OLDNAMES
+#    error Compatibility names /Go compiler option is required
+#  endif
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                          STRUCT RELATED                          */
+/* ---------------------------------------------------------------- */
+
+/* Define if you have struct sockaddr_storage. */
+#if !defined(__SALFORDC__) && !defined(__BORLANDC__)
+#define HAVE_STRUCT_SOCKADDR_STORAGE 1
+#endif
+
+/* Define if you have struct timeval. */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* Define if struct sockaddr_in6 has the sin6_scope_id member. */
+#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+#if defined(HAVE_WINSOCK2_H) && defined(_WIN32_WINNT) && \
+    (_WIN32_WINNT >= 0x0600)
+#define HAVE_STRUCT_POLLFD 1
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                        LARGE FILE SUPPORT                        */
+/* ---------------------------------------------------------------- */
+
+#if defined(_MSC_VER) && !defined(_WIN32_WCE)
+#  if (_MSC_VER >= 900) && (_INTEGRAL_MAX_BITS >= 64)
+#    define USE_WIN32_LARGE_FILES
+#  else
+#    define USE_WIN32_SMALL_FILES
+#  endif
+#endif
+
+#if defined(__MINGW32__) && !defined(USE_WIN32_LARGE_FILES)
+#  define USE_WIN32_LARGE_FILES
+#endif
+
+#if defined(__WATCOMC__) && !defined(USE_WIN32_LARGE_FILES)
+#  define USE_WIN32_LARGE_FILES
+#endif
+
+#if defined(__POCC__)
+#  undef USE_WIN32_LARGE_FILES
+#endif
+
+#if !defined(USE_WIN32_LARGE_FILES) && !defined(USE_WIN32_SMALL_FILES)
+#  define USE_WIN32_SMALL_FILES
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                       DNS RESOLVER SPECIALTY                     */
+/* ---------------------------------------------------------------- */
+
+/*
+ * Undefine both USE_ARES and USE_THREADS_WIN32 for synchronous DNS.
+ */
+
+/* Define to enable c-ares asynchronous DNS lookups. */
+/* #define USE_ARES 1 */
+
+/* Default define to enable threaded asynchronous DNS lookups. */
+#if !defined(USE_SYNC_DNS) && !defined(USE_ARES) && \
+    !defined(USE_THREADS_WIN32)
+#  define USE_THREADS_WIN32 1
+#endif
+
+#if defined(USE_ARES) && defined(USE_THREADS_WIN32)
+#  error "Only one DNS lookup specialty may be defined at most"
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                           LDAP SUPPORT                           */
+/* ---------------------------------------------------------------- */
+
+#if defined(CURL_HAS_NOVELL_LDAPSDK) || defined(CURL_HAS_MOZILLA_LDAPSDK)
+#undef USE_WIN32_LDAP
+#define HAVE_LDAP_SSL_H 1
+#define HAVE_LDAP_URL_PARSE 1
+#elif defined(CURL_HAS_OPENLDAP_LDAPSDK)
+#undef USE_WIN32_LDAP
+#define HAVE_LDAP_URL_PARSE 1
+#else
+#undef HAVE_LDAP_URL_PARSE
+#define HAVE_LDAP_SSL 1
+#define USE_WIN32_LDAP 1
+#endif
+
+#if defined(__WATCOMC__) && defined(USE_WIN32_LDAP)
+#if __WATCOMC__ < 1280
+#define WINBERAPI  __declspec(cdecl)
+#define WINLDAPAPI __declspec(cdecl)
+#endif
+#endif
+
+#if defined(__POCC__) && defined(USE_WIN32_LDAP)
+#  define CURL_DISABLE_LDAP 1
+#endif
+
+/* Define to use the Windows crypto library. */
+#define USE_WIN32_CRYPTO
+
+/* Define to use Unix sockets. */
+#if defined(_MSC_VER) && _MSC_VER >= 1900
+/* #define USE_UNIX_SOCKETS */
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                       ADDITIONAL DEFINITIONS                     */
+/* ---------------------------------------------------------------- */
+
+/* Define cpu-machine-OS */
+#undef OS
+#if defined(_M_IX86) || defined(__i386__) /* x86 (MSVC or gcc) */
+#define OS "i386-pc-win32"
+#elif defined(_M_X64) || defined(__x86_64__) /* x86_64 (MSVC >=2005 or gcc) */
+#define OS "x86_64-pc-win32"
+#elif defined(_M_IA64) /* Itanium */
+#define OS "ia64-pc-win32"
+#else
+#define OS "unknown-pc-win32"
+#endif
+
+/* Name of package */
+#define PACKAGE "curl"
+
+/* If you want to build curl with the built-in manual */
+#define USE_MANUAL 1
+
+#if defined(__POCC__) || defined(USE_IPV6)
+#  define ENABLE_IPV6 1
+#endif
+
+#endif /* HEADER_CURL_CONFIG_WIN32_H */
Index: trunk/src/libs/curl-7.64.0/lib/config-win32ce.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/config-win32ce.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/config-win32ce.h	(revision 85671)
@@ -0,0 +1,448 @@
+#ifndef HEADER_CURL_CONFIG_WIN32CE_H
+#define HEADER_CURL_CONFIG_WIN32CE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* ================================================================ */
+/*  lib/config-win32ce.h - Hand crafted config file for windows ce  */
+/* ================================================================ */
+
+/* ---------------------------------------------------------------- */
+/*                          HEADER FILES                            */
+/* ---------------------------------------------------------------- */
+
+/* Define if you have the <arpa/inet.h> header file.  */
+/* #define HAVE_ARPA_INET_H 1 */
+
+/* Define if you have the <assert.h> header file.  */
+/* #define HAVE_ASSERT_H 1 */
+
+/* Define if you have the <crypto.h> header file.  */
+/* #define HAVE_CRYPTO_H 1 */
+
+/* Define if you have the <errno.h> header file.  */
+/* #define HAVE_ERRNO_H 1 */
+
+/* Define if you have the <err.h> header file.  */
+/* #define HAVE_ERR_H 1 */
+
+/* Define if you have the <fcntl.h> header file.  */
+#define HAVE_FCNTL_H 1
+
+/* Define if you have the <getopt.h> header file.  */
+/* #define HAVE_GETOPT_H 1 */
+
+/* Define if you have the <io.h> header file.  */
+#define HAVE_IO_H 1
+
+/* Define if you need the malloc.h header header file even with stdlib.h  */
+#define NEED_MALLOC_H 1
+
+/* Define if you have the <netdb.h> header file.  */
+/* #define HAVE_NETDB_H 1 */
+
+/* Define if you have the <netinet/in.h> header file.  */
+/* #define HAVE_NETINET_IN_H 1 */
+
+/* Define if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define if you have the <sgtty.h> header file.  */
+/* #define HAVE_SGTTY_H 1 */
+
+/* Define if you have the <ssl.h> header file.  */
+/* #define HAVE_SSL_H 1 */
+
+/* Define if you have the <stdlib.h> header file.  */
+#define HAVE_STDLIB_H 1
+
+/* Define if you have the <process.h> header file.  */
+/* #define HAVE_PROCESS_H 1 */
+
+/* Define if you have the <sys/param.h> header file.  */
+/* #define HAVE_SYS_PARAM_H 1 */
+
+/* Define if you have the <sys/select.h> header file.  */
+/* #define HAVE_SYS_SELECT_H 1 */
+
+/* Define if you have the <sys/socket.h> header file.  */
+/* #define HAVE_SYS_SOCKET_H 1 */
+
+/* Define if you have the <sys/sockio.h> header file.  */
+/* #define HAVE_SYS_SOCKIO_H 1 */
+
+/* Define if you have the <sys/stat.h> header file.  */
+#define HAVE_SYS_STAT_H 1
+
+/* Define if you have the <sys/time.h> header file */
+/* #define HAVE_SYS_TIME_H 1 */
+
+/* Define if you have the <sys/types.h> header file.  */
+/* #define HAVE_SYS_TYPES_H 1 */
+
+/* Define if you have the <sys/utime.h> header file */
+#define HAVE_SYS_UTIME_H 1
+
+/* Define if you have the <termio.h> header file.  */
+/* #define HAVE_TERMIO_H 1 */
+
+/* Define if you have the <termios.h> header file.  */
+/* #define HAVE_TERMIOS_H 1 */
+
+/* Define if you have the <time.h> header file.  */
+#define HAVE_TIME_H 1
+
+/* Define if you have the <unistd.h> header file.  */
+#if defined(__MINGW32__) || defined(__WATCOMC__) || defined(__LCC__)
+#define HAVE_UNISTD_H 1
+#endif
+
+/* Define if you have the <windows.h> header file.  */
+#define HAVE_WINDOWS_H 1
+
+/* Define if you have the <winsock.h> header file.  */
+#define HAVE_WINSOCK_H 1
+
+/* Define if you have the <winsock2.h> header file.  */
+/* #define HAVE_WINSOCK2_H 1 */
+
+/* Define if you have the <ws2tcpip.h> header file.  */
+/* #define HAVE_WS2TCPIP_H 1 */
+
+/* ---------------------------------------------------------------- */
+/*                        OTHER HEADER INFO                         */
+/* ---------------------------------------------------------------- */
+
+/* Define if sig_atomic_t is an available typedef. */
+#define HAVE_SIG_ATOMIC_T 1
+
+/* Define if you have the ANSI C header files.  */
+#define STDC_HEADERS 1
+
+/* Define if you can safely include both <sys/time.h> and <time.h>.  */
+/* #define TIME_WITH_SYS_TIME 1 */
+
+/* ---------------------------------------------------------------- */
+/*                             FUNCTIONS                            */
+/* ---------------------------------------------------------------- */
+
+/* Define if you have the closesocket function.  */
+#define HAVE_CLOSESOCKET 1
+
+/* Define if you don't have vprintf but do have _doprnt.  */
+/* #define HAVE_DOPRNT 1 */
+
+/* Define if you have the gethostbyaddr function.  */
+#define HAVE_GETHOSTBYADDR 1
+
+/* Define if you have the gethostname function.  */
+#define HAVE_GETHOSTNAME 1
+
+/* Define if you have the getpass function.  */
+/* #define HAVE_GETPASS 1 */
+
+/* Define if you have the getservbyname function.  */
+#define HAVE_GETSERVBYNAME 1
+
+/* Define if you have the gettimeofday function.  */
+/*  #define HAVE_GETTIMEOFDAY 1 */
+
+/* Define if you have the inet_addr function.  */
+#define HAVE_INET_ADDR 1
+
+/* Define if you have the ioctlsocket function. */
+#define HAVE_IOCTLSOCKET 1
+
+/* Define if you have a working ioctlsocket FIONBIO function. */
+#define HAVE_IOCTLSOCKET_FIONBIO 1
+
+/* Define if you have the perror function.  */
+#define HAVE_PERROR 1
+
+/* Define if you have the RAND_screen function when using SSL  */
+#define HAVE_RAND_SCREEN 1
+
+/* Define if you have the `RAND_status' function when using SSL. */
+#define HAVE_RAND_STATUS 1
+
+/* Define if you have the select function.  */
+#define HAVE_SELECT 1
+
+/* Define if you have the setvbuf function.  */
+#define HAVE_SETVBUF 1
+
+/* Define if you have the socket function.  */
+#define HAVE_SOCKET 1
+
+/* Define if you have the strcasecmp function.  */
+/* #define HAVE_STRCASECMP 1 */
+
+/* Define if you have the strdup function.  */
+/* #define HAVE_STRDUP 1 */
+
+/* Define if you have the strftime function.  */
+/* #define HAVE_STRFTIME 1 */
+
+/* Define if you have the stricmp function. */
+/* #define HAVE_STRICMP 1 */
+
+/* Define if you have the strncasecmp function. */
+/* #define HAVE_STRNCASECMP 1 */
+
+/* Define if you have the strnicmp function. */
+/* #define HAVE_STRNICMP 1 */
+
+/* Define if you have the strstr function.  */
+#define HAVE_STRSTR 1
+
+/* Define if you have the strtoll function.  */
+#if defined(__MINGW32__) || defined(__WATCOMC__)
+#define HAVE_STRTOLL 1
+#endif
+
+/* Define if you have the tcgetattr function.  */
+/* #define HAVE_TCGETATTR 1 */
+
+/* Define if you have the tcsetattr function.  */
+/* #define HAVE_TCSETATTR 1 */
+
+/* Define if you have the utime function */
+#define HAVE_UTIME 1
+
+/* Define if you have the getnameinfo function. */
+#define HAVE_GETNAMEINFO 1
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#define GETNAMEINFO_QUAL_ARG1 const
+
+/* Define to the type of arg 1 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG1 struct sockaddr *
+
+/* Define to the type of arg 2 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG2 socklen_t
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG46 DWORD
+
+/* Define to the type of arg 7 for getnameinfo. */
+#define GETNAMEINFO_TYPE_ARG7 int
+
+/* Define if you have the recv function. */
+#define HAVE_RECV 1
+
+/* Define to the type of arg 1 for recv. */
+#define RECV_TYPE_ARG1 SOCKET
+
+/* Define to the type of arg 2 for recv. */
+#define RECV_TYPE_ARG2 char *
+
+/* Define to the type of arg 3 for recv. */
+#define RECV_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for recv. */
+#define RECV_TYPE_ARG4 int
+
+/* Define to the function return type for recv. */
+#define RECV_TYPE_RETV int
+
+/* Define if you have the recvfrom function. */
+#define HAVE_RECVFROM 1
+
+/* Define to the type of arg 1 for recvfrom. */
+#define RECVFROM_TYPE_ARG1 SOCKET
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#define RECVFROM_TYPE_ARG2 char
+
+/* Define to the type of arg 3 for recvfrom. */
+#define RECVFROM_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for recvfrom. */
+#define RECVFROM_TYPE_ARG4 int
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#define RECVFROM_TYPE_ARG5 struct sockaddr
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#define RECVFROM_TYPE_ARG6 int
+
+/* Define to the function return type for recvfrom. */
+#define RECVFROM_TYPE_RETV int
+
+/* Define if you have the send function. */
+#define HAVE_SEND 1
+
+/* Define to the type of arg 1 for send. */
+#define SEND_TYPE_ARG1 SOCKET
+
+/* Define to the type qualifier of arg 2 for send. */
+#define SEND_QUAL_ARG2 const
+
+/* Define to the type of arg 2 for send. */
+#define SEND_TYPE_ARG2 char *
+
+/* Define to the type of arg 3 for send. */
+#define SEND_TYPE_ARG3 int
+
+/* Define to the type of arg 4 for send. */
+#define SEND_TYPE_ARG4 int
+
+/* Define to the function return type for send. */
+#define SEND_TYPE_RETV int
+
+/* ---------------------------------------------------------------- */
+/*                       TYPEDEF REPLACEMENTS                       */
+/* ---------------------------------------------------------------- */
+
+/* Define this if in_addr_t is not an available 'typedefed' type */
+#define in_addr_t unsigned long
+
+/* Define as the return type of signal handlers (int or void).  */
+#define RETSIGTYPE void
+
+/* Define ssize_t if it is not an available 'typedefed' type */
+#if (defined(__WATCOMC__) && (__WATCOMC__ >= 1240)) || defined(__POCC__)
+#elif defined(_WIN64)
+#define ssize_t __int64
+#else
+#define ssize_t int
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                            TYPE SIZES                            */
+/* ---------------------------------------------------------------- */
+
+/* The size of `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of `long double', as computed by sizeof. */
+#define SIZEOF_LONG_DOUBLE 16
+
+/* The size of `long long', as computed by sizeof. */
+/* #define SIZEOF_LONG_LONG 8 */
+
+/* The size of `short', as computed by sizeof. */
+#define SIZEOF_SHORT 2
+
+/* Define to the size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 4
+
+/* The size of `size_t', as computed by sizeof. */
+#if defined(_WIN64)
+#  define SIZEOF_SIZE_T 8
+#else
+#  define SIZEOF_SIZE_T 4
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                          STRUCT RELATED                          */
+/* ---------------------------------------------------------------- */
+
+/* Define this if you have struct sockaddr_storage */
+/* #define HAVE_STRUCT_SOCKADDR_STORAGE 1 */
+
+/* Define this if you have struct timeval */
+#define HAVE_STRUCT_TIMEVAL 1
+
+/* Define this if struct sockaddr_in6 has the sin6_scope_id member */
+#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+/* ---------------------------------------------------------------- */
+/*                        COMPILER SPECIFIC                         */
+/* ---------------------------------------------------------------- */
+
+/* Undef keyword 'const' if it does not work.  */
+/* #undef const */
+
+/* Define to avoid VS2005 complaining about portable C functions */
+#if defined(_MSC_VER) && (_MSC_VER >= 1400)
+#define _CRT_SECURE_NO_DEPRECATE 1
+#define _CRT_NONSTDC_NO_DEPRECATE 1
+#endif
+
+/* VS2005 and later default size for time_t is 64-bit, unless */
+/* _USE_32BIT_TIME_T has been defined to get a 32-bit time_t. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1400)
+#  ifndef _USE_32BIT_TIME_T
+#    define SIZEOF_TIME_T 8
+#  else
+#    define SIZEOF_TIME_T 4
+#  endif
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                        LARGE FILE SUPPORT                        */
+/* ---------------------------------------------------------------- */
+
+#if defined(_MSC_VER) && !defined(_WIN32_WCE)
+#  if (_MSC_VER >= 900) && (_INTEGRAL_MAX_BITS >= 64)
+#    define USE_WIN32_LARGE_FILES
+#  else
+#    define USE_WIN32_SMALL_FILES
+#  endif
+#endif
+
+#if !defined(USE_WIN32_LARGE_FILES) && !defined(USE_WIN32_SMALL_FILES)
+#  define USE_WIN32_SMALL_FILES
+#endif
+
+/* ---------------------------------------------------------------- */
+/*                           LDAP SUPPORT                           */
+/* ---------------------------------------------------------------- */
+
+#define USE_WIN32_LDAP 1
+#undef HAVE_LDAP_URL_PARSE
+
+/* ---------------------------------------------------------------- */
+/*                       ADDITIONAL DEFINITIONS                     */
+/* ---------------------------------------------------------------- */
+
+/* Define cpu-machine-OS */
+#undef OS
+#define OS "i386-pc-win32ce"
+
+/* Name of package */
+#define PACKAGE "curl"
+
+/* ---------------------------------------------------------------- */
+/*                       WinCE                                      */
+/* ---------------------------------------------------------------- */
+
+#ifndef UNICODE
+#  define UNICODE
+#endif
+
+#ifndef _UNICODE
+#  define _UNICODE
+#endif
+
+#define CURL_DISABLE_FILE 1
+#define CURL_DISABLE_TELNET 1
+#define CURL_DISABLE_LDAP 1
+
+#define ENOSPC 1
+#define ENOMEM 2
+#define EAGAIN 3
+
+extern int stat(const char *path, struct stat *buffer);
+
+#endif /* HEADER_CURL_CONFIG_WIN32CE_H */
Index: trunk/src/libs/curl-7.64.0/lib/conncache.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/conncache.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/conncache.c	(revision 85671)
@@ -0,0 +1,629 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2012 - 2016, Linus Nielsen Feltzing, <linus@haxx.se>
+ * Copyright (C) 2012 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#include "urldata.h"
+#include "url.h"
+#include "progress.h"
+#include "multiif.h"
+#include "sendf.h"
+#include "conncache.h"
+#include "share.h"
+#include "sigpipe.h"
+#include "connect.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#ifdef CURLDEBUG
+/* the debug versions of these macros make extra certain that the lock is
+   never doubly locked or unlocked */
+#define CONN_LOCK(x) if((x)->share) {                                   \
+    Curl_share_lock((x), CURL_LOCK_DATA_CONNECT, CURL_LOCK_ACCESS_SINGLE); \
+    DEBUGASSERT(!(x)->state.conncache_lock);                            \
+    (x)->state.conncache_lock = TRUE;                                   \
+  }
+
+#define CONN_UNLOCK(x) if((x)->share) {                                 \
+    DEBUGASSERT((x)->state.conncache_lock);                             \
+    (x)->state.conncache_lock = FALSE;                                  \
+    Curl_share_unlock((x), CURL_LOCK_DATA_CONNECT);                     \
+  }
+#else
+#define CONN_LOCK(x) if((x)->share)                                     \
+    Curl_share_lock((x), CURL_LOCK_DATA_CONNECT, CURL_LOCK_ACCESS_SINGLE)
+#define CONN_UNLOCK(x) if((x)->share)                   \
+    Curl_share_unlock((x), CURL_LOCK_DATA_CONNECT)
+#endif
+
+static void conn_llist_dtor(void *user, void *element)
+{
+  struct connectdata *conn = element;
+  (void)user;
+  conn->bundle = NULL;
+}
+
+static CURLcode bundle_create(struct Curl_easy *data,
+                              struct connectbundle **cb_ptr)
+{
+  (void)data;
+  DEBUGASSERT(*cb_ptr == NULL);
+  *cb_ptr = malloc(sizeof(struct connectbundle));
+  if(!*cb_ptr)
+    return CURLE_OUT_OF_MEMORY;
+
+  (*cb_ptr)->num_connections = 0;
+  (*cb_ptr)->multiuse = BUNDLE_UNKNOWN;
+
+  Curl_llist_init(&(*cb_ptr)->conn_list, (curl_llist_dtor) conn_llist_dtor);
+  return CURLE_OK;
+}
+
+static void bundle_destroy(struct connectbundle *cb_ptr)
+{
+  if(!cb_ptr)
+    return;
+
+  Curl_llist_destroy(&cb_ptr->conn_list, NULL);
+
+  free(cb_ptr);
+}
+
+/* Add a connection to a bundle */
+static void bundle_add_conn(struct connectbundle *cb_ptr,
+                            struct connectdata *conn)
+{
+  Curl_llist_insert_next(&cb_ptr->conn_list, cb_ptr->conn_list.tail, conn,
+                         &conn->bundle_node);
+  conn->bundle = cb_ptr;
+  cb_ptr->num_connections++;
+}
+
+/* Remove a connection from a bundle */
+static int bundle_remove_conn(struct connectbundle *cb_ptr,
+                              struct connectdata *conn)
+{
+  struct curl_llist_element *curr;
+
+  curr = cb_ptr->conn_list.head;
+  while(curr) {
+    if(curr->ptr == conn) {
+      Curl_llist_remove(&cb_ptr->conn_list, curr, NULL);
+      cb_ptr->num_connections--;
+      conn->bundle = NULL;
+      return 1; /* we removed a handle */
+    }
+    curr = curr->next;
+  }
+  return 0;
+}
+
+static void free_bundle_hash_entry(void *freethis)
+{
+  struct connectbundle *b = (struct connectbundle *) freethis;
+
+  bundle_destroy(b);
+}
+
+int Curl_conncache_init(struct conncache *connc, int size)
+{
+  int rc;
+
+  /* allocate a new easy handle to use when closing cached connections */
+  connc->closure_handle = curl_easy_init();
+  if(!connc->closure_handle)
+    return 1; /* bad */
+
+  rc = Curl_hash_init(&connc->hash, size, Curl_hash_str,
+                      Curl_str_key_compare, free_bundle_hash_entry);
+  if(rc) {
+    Curl_close(connc->closure_handle);
+    connc->closure_handle = NULL;
+  }
+  else
+    connc->closure_handle->state.conn_cache = connc;
+
+  return rc;
+}
+
+void Curl_conncache_destroy(struct conncache *connc)
+{
+  if(connc)
+    Curl_hash_destroy(&connc->hash);
+}
+
+/* creates a key to find a bundle for this connection */
+static void hashkey(struct connectdata *conn, char *buf,
+                    size_t len) /* something like 128 is fine */
+{
+  const char *hostname;
+
+  if(conn->bits.socksproxy)
+    hostname = conn->socks_proxy.host.name;
+  else if(conn->bits.httpproxy)
+    hostname = conn->http_proxy.host.name;
+  else if(conn->bits.conn_to_host)
+    hostname = conn->conn_to_host.name;
+  else
+    hostname = conn->host.name;
+
+  DEBUGASSERT(len > 32);
+
+  /* put the number first so that the hostname gets cut off if too long */
+  msnprintf(buf, len, "%ld%s", conn->port, hostname);
+}
+
+void Curl_conncache_unlock(struct Curl_easy *data)
+{
+  CONN_UNLOCK(data);
+}
+
+/* Returns number of connections currently held in the connection cache.
+   Locks/unlocks the cache itself!
+*/
+size_t Curl_conncache_size(struct Curl_easy *data)
+{
+  size_t num;
+  CONN_LOCK(data);
+  num = data->state.conn_cache->num_conn;
+  CONN_UNLOCK(data);
+  return num;
+}
+
+/* Returns number of connections currently held in the connections's bundle
+   Locks/unlocks the cache itself!
+*/
+size_t Curl_conncache_bundle_size(struct connectdata *conn)
+{
+  size_t num;
+  CONN_LOCK(conn->data);
+  num = conn->bundle->num_connections;
+  CONN_UNLOCK(conn->data);
+  return num;
+}
+
+/* Look up the bundle with all the connections to the same host this
+   connectdata struct is setup to use.
+
+   **NOTE**: When it returns, it holds the connection cache lock! */
+struct connectbundle *Curl_conncache_find_bundle(struct connectdata *conn,
+                                                 struct conncache *connc)
+{
+  struct connectbundle *bundle = NULL;
+  CONN_LOCK(conn->data);
+  if(connc) {
+    char key[128];
+    hashkey(conn, key, sizeof(key));
+    bundle = Curl_hash_pick(&connc->hash, key, strlen(key));
+  }
+
+  return bundle;
+}
+
+static bool conncache_add_bundle(struct conncache *connc,
+                                 char *key,
+                                 struct connectbundle *bundle)
+{
+  void *p = Curl_hash_add(&connc->hash, key, strlen(key), bundle);
+
+  return p?TRUE:FALSE;
+}
+
+static void conncache_remove_bundle(struct conncache *connc,
+                                    struct connectbundle *bundle)
+{
+  struct curl_hash_iterator iter;
+  struct curl_hash_element *he;
+
+  if(!connc)
+    return;
+
+  Curl_hash_start_iterate(&connc->hash, &iter);
+
+  he = Curl_hash_next_element(&iter);
+  while(he) {
+    if(he->ptr == bundle) {
+      /* The bundle is destroyed by the hash destructor function,
+         free_bundle_hash_entry() */
+      Curl_hash_delete(&connc->hash, he->key, he->key_len);
+      return;
+    }
+
+    he = Curl_hash_next_element(&iter);
+  }
+}
+
+CURLcode Curl_conncache_add_conn(struct conncache *connc,
+                                 struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct connectbundle *bundle;
+  struct connectbundle *new_bundle = NULL;
+  struct Curl_easy *data = conn->data;
+
+  /* *find_bundle() locks the connection cache */
+  bundle = Curl_conncache_find_bundle(conn, data->state.conn_cache);
+  if(!bundle) {
+    int rc;
+    char key[128];
+
+    result = bundle_create(data, &new_bundle);
+    if(result) {
+      goto unlock;
+    }
+
+    hashkey(conn, key, sizeof(key));
+    rc = conncache_add_bundle(data->state.conn_cache, key, new_bundle);
+
+    if(!rc) {
+      bundle_destroy(new_bundle);
+      result = CURLE_OUT_OF_MEMORY;
+      goto unlock;
+    }
+    bundle = new_bundle;
+  }
+
+  bundle_add_conn(bundle, conn);
+  conn->connection_id = connc->next_connection_id++;
+  connc->num_conn++;
+
+  DEBUGF(infof(conn->data, "Added connection %ld. "
+               "The cache now contains %zu members\n",
+               conn->connection_id, connc->num_conn));
+
+  unlock:
+  CONN_UNLOCK(data);
+
+  return result;
+}
+
+/*
+ * Removes the connectdata object from the connection cache *and* clears the
+ * ->data pointer association. Pass TRUE/FALSE in the 'lock' argument
+ * depending on if the parent function already holds the lock or not.
+ */
+void Curl_conncache_remove_conn(struct Curl_easy *data,
+                                struct connectdata *conn, bool lock)
+{
+  struct connectbundle *bundle = conn->bundle;
+  struct conncache *connc = data->state.conn_cache;
+
+  /* The bundle pointer can be NULL, since this function can be called
+     due to a failed connection attempt, before being added to a bundle */
+  if(bundle) {
+    if(lock) {
+      CONN_LOCK(data);
+    }
+    bundle_remove_conn(bundle, conn);
+    if(bundle->num_connections == 0)
+      conncache_remove_bundle(connc, bundle);
+    conn->bundle = NULL; /* removed from it */
+    if(connc) {
+      connc->num_conn--;
+      DEBUGF(infof(data, "The cache now contains %zu members\n",
+                   connc->num_conn));
+    }
+    conn->data = NULL; /* clear the association */
+    if(lock) {
+      CONN_UNLOCK(data);
+    }
+  }
+}
+
+/* This function iterates the entire connection cache and calls the function
+   func() with the connection pointer as the first argument and the supplied
+   'param' argument as the other.
+
+   The conncache lock is still held when the callback is called. It needs it,
+   so that it can safely continue traversing the lists once the callback
+   returns.
+
+   Returns 1 if the loop was aborted due to the callback's return code.
+
+   Return 0 from func() to continue the loop, return 1 to abort it.
+ */
+bool Curl_conncache_foreach(struct Curl_easy *data,
+                            struct conncache *connc,
+                            void *param,
+                            int (*func)(struct connectdata *conn, void *param))
+{
+  struct curl_hash_iterator iter;
+  struct curl_llist_element *curr;
+  struct curl_hash_element *he;
+
+  if(!connc)
+    return FALSE;
+
+  CONN_LOCK(data);
+  Curl_hash_start_iterate(&connc->hash, &iter);
+
+  he = Curl_hash_next_element(&iter);
+  while(he) {
+    struct connectbundle *bundle;
+
+    bundle = he->ptr;
+    he = Curl_hash_next_element(&iter);
+
+    curr = bundle->conn_list.head;
+    while(curr) {
+      /* Yes, we need to update curr before calling func(), because func()
+         might decide to remove the connection */
+      struct connectdata *conn = curr->ptr;
+      curr = curr->next;
+
+      if(1 == func(conn, param)) {
+        CONN_UNLOCK(data);
+        return TRUE;
+      }
+    }
+  }
+  CONN_UNLOCK(data);
+  return FALSE;
+}
+
+/* Return the first connection found in the cache. Used when closing all
+   connections.
+
+   NOTE: no locking is done here as this is presumably only done when cleaning
+   up a cache!
+*/
+struct connectdata *
+Curl_conncache_find_first_connection(struct conncache *connc)
+{
+  struct curl_hash_iterator iter;
+  struct curl_hash_element *he;
+  struct connectbundle *bundle;
+
+  Curl_hash_start_iterate(&connc->hash, &iter);
+
+  he = Curl_hash_next_element(&iter);
+  while(he) {
+    struct curl_llist_element *curr;
+    bundle = he->ptr;
+
+    curr = bundle->conn_list.head;
+    if(curr) {
+      return curr->ptr;
+    }
+
+    he = Curl_hash_next_element(&iter);
+  }
+
+  return NULL;
+}
+
+/*
+ * Give ownership of a connection back to the connection cache. Might
+ * disconnect the oldest existing in there to make space.
+ *
+ * Return TRUE if stored, FALSE if closed.
+ */
+bool Curl_conncache_return_conn(struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+
+  /* data->multi->maxconnects can be negative, deal with it. */
+  size_t maxconnects =
+    (data->multi->maxconnects < 0) ? data->multi->num_easy * 4:
+    data->multi->maxconnects;
+  struct connectdata *conn_candidate = NULL;
+
+  if(maxconnects > 0 &&
+     Curl_conncache_size(data) > maxconnects) {
+    infof(data, "Connection cache is full, closing the oldest one.\n");
+
+    conn_candidate = Curl_conncache_extract_oldest(data);
+    if(conn_candidate) {
+      /* the winner gets the honour of being disconnected */
+      (void)Curl_disconnect(data, conn_candidate, /* dead_connection */ FALSE);
+    }
+  }
+
+  return (conn_candidate == conn) ? FALSE : TRUE;
+
+}
+
+/*
+ * This function finds the connection in the connection bundle that has been
+ * unused for the longest time.
+ *
+ * Does not lock the connection cache!
+ *
+ * Returns the pointer to the oldest idle connection, or NULL if none was
+ * found.
+ */
+struct connectdata *
+Curl_conncache_extract_bundle(struct Curl_easy *data,
+                              struct connectbundle *bundle)
+{
+  struct curl_llist_element *curr;
+  timediff_t highscore = -1;
+  timediff_t score;
+  struct curltime now;
+  struct connectdata *conn_candidate = NULL;
+  struct connectdata *conn;
+
+  (void)data;
+
+  now = Curl_now();
+
+  curr = bundle->conn_list.head;
+  while(curr) {
+    conn = curr->ptr;
+
+    if(!CONN_INUSE(conn)) {
+      /* Set higher score for the age passed since the connection was used */
+      score = Curl_timediff(now, conn->now);
+
+      if(score > highscore) {
+        highscore = score;
+        conn_candidate = conn;
+      }
+    }
+    curr = curr->next;
+  }
+  if(conn_candidate) {
+    /* remove it to prevent another thread from nicking it */
+    bundle_remove_conn(bundle, conn_candidate);
+    data->state.conn_cache->num_conn--;
+    DEBUGF(infof(data, "The cache now contains %zu members\n",
+                 data->state.conn_cache->num_conn));
+    conn_candidate->data = data; /* associate! */
+  }
+
+  return conn_candidate;
+}
+
+/*
+ * This function finds the connection in the connection cache that has been
+ * unused for the longest time and extracts that from the bundle.
+ *
+ * Returns the pointer to the connection, or NULL if none was found.
+ */
+struct connectdata *
+Curl_conncache_extract_oldest(struct Curl_easy *data)
+{
+  struct conncache *connc = data->state.conn_cache;
+  struct curl_hash_iterator iter;
+  struct curl_llist_element *curr;
+  struct curl_hash_element *he;
+  timediff_t highscore =- 1;
+  timediff_t score;
+  struct curltime now;
+  struct connectdata *conn_candidate = NULL;
+  struct connectbundle *bundle;
+  struct connectbundle *bundle_candidate = NULL;
+
+  now = Curl_now();
+
+  CONN_LOCK(data);
+  Curl_hash_start_iterate(&connc->hash, &iter);
+
+  he = Curl_hash_next_element(&iter);
+  while(he) {
+    struct connectdata *conn;
+
+    bundle = he->ptr;
+
+    curr = bundle->conn_list.head;
+    while(curr) {
+      conn = curr->ptr;
+
+      if(!CONN_INUSE(conn)) {
+        /* Set higher score for the age passed since the connection was used */
+        score = Curl_timediff(now, conn->now);
+
+        if(score > highscore) {
+          highscore = score;
+          conn_candidate = conn;
+          bundle_candidate = bundle;
+        }
+      }
+      curr = curr->next;
+    }
+
+    he = Curl_hash_next_element(&iter);
+  }
+  if(conn_candidate) {
+    /* remove it to prevent another thread from nicking it */
+    bundle_remove_conn(bundle_candidate, conn_candidate);
+    connc->num_conn--;
+    DEBUGF(infof(data, "The cache now contains %zu members\n",
+                 connc->num_conn));
+    conn_candidate->data = data; /* associate! */
+  }
+  CONN_UNLOCK(data);
+
+  return conn_candidate;
+}
+
+void Curl_conncache_close_all_connections(struct conncache *connc)
+{
+  struct connectdata *conn;
+
+  conn = Curl_conncache_find_first_connection(connc);
+  while(conn) {
+    SIGPIPE_VARIABLE(pipe_st);
+    conn->data = connc->closure_handle;
+
+    sigpipe_ignore(conn->data, &pipe_st);
+    /* This will remove the connection from the cache */
+    connclose(conn, "kill all");
+    (void)Curl_disconnect(connc->closure_handle, conn, FALSE);
+    sigpipe_restore(&pipe_st);
+
+    conn = Curl_conncache_find_first_connection(connc);
+  }
+
+  if(connc->closure_handle) {
+    SIGPIPE_VARIABLE(pipe_st);
+    sigpipe_ignore(connc->closure_handle, &pipe_st);
+
+    Curl_hostcache_clean(connc->closure_handle,
+                         connc->closure_handle->dns.hostcache);
+    Curl_close(connc->closure_handle);
+    sigpipe_restore(&pipe_st);
+  }
+}
+
+#if 0
+/* Useful for debugging the connection cache */
+void Curl_conncache_print(struct conncache *connc)
+{
+  struct curl_hash_iterator iter;
+  struct curl_llist_element *curr;
+  struct curl_hash_element *he;
+
+  if(!connc)
+    return;
+
+  fprintf(stderr, "=Bundle cache=\n");
+
+  Curl_hash_start_iterate(connc->hash, &iter);
+
+  he = Curl_hash_next_element(&iter);
+  while(he) {
+    struct connectbundle *bundle;
+    struct connectdata *conn;
+
+    bundle = he->ptr;
+
+    fprintf(stderr, "%s -", he->key);
+    curr = bundle->conn_list->head;
+    while(curr) {
+      conn = curr->ptr;
+
+      fprintf(stderr, " [%p %d]", (void *)conn, conn->inuse);
+      curr = curr->next;
+    }
+    fprintf(stderr, "\n");
+
+    he = Curl_hash_next_element(&iter);
+  }
+}
+#endif
Index: trunk/src/libs/curl-7.64.0/lib/conncache.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/conncache.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/conncache.h	(revision 85671)
@@ -0,0 +1,87 @@
+#ifndef HEADER_CURL_CONNCACHE_H
+#define HEADER_CURL_CONNCACHE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2015 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2012 - 2014, Linus Nielsen Feltzing, <linus@haxx.se>
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * All accesses to struct fields and changing of data in the connection cache
+ * and connectbundles must be done with the conncache LOCKED. The cache might
+ * be shared.
+ */
+
+struct conncache {
+  struct curl_hash hash;
+  size_t num_conn;
+  long next_connection_id;
+  struct curltime last_cleanup;
+  /* handle used for closing cached connections */
+  struct Curl_easy *closure_handle;
+};
+
+#define BUNDLE_NO_MULTIUSE -1
+#define BUNDLE_UNKNOWN     0  /* initial value */
+#define BUNDLE_PIPELINING  1
+#define BUNDLE_MULTIPLEX   2
+
+struct connectbundle {
+  int multiuse;                 /* supports multi-use */
+  size_t num_connections;       /* Number of connections in the bundle */
+  struct curl_llist conn_list;  /* The connectdata members of the bundle */
+};
+
+/* returns 1 on error, 0 is fine */
+int Curl_conncache_init(struct conncache *, int size);
+void Curl_conncache_destroy(struct conncache *connc);
+
+/* return the correct bundle, to a host or a proxy */
+struct connectbundle *Curl_conncache_find_bundle(struct connectdata *conn,
+                                                 struct conncache *connc);
+void Curl_conncache_unlock(struct Curl_easy *data);
+/* returns number of connections currently held in the connection cache */
+size_t Curl_conncache_size(struct Curl_easy *data);
+size_t Curl_conncache_bundle_size(struct connectdata *conn);
+
+bool Curl_conncache_return_conn(struct connectdata *conn);
+CURLcode Curl_conncache_add_conn(struct conncache *connc,
+                                 struct connectdata *conn) WARN_UNUSED_RESULT;
+void Curl_conncache_remove_conn(struct Curl_easy *data,
+                                struct connectdata *conn,
+                                bool lock);
+bool Curl_conncache_foreach(struct Curl_easy *data,
+                            struct conncache *connc,
+                            void *param,
+                            int (*func)(struct connectdata *conn,
+                                        void *param));
+
+struct connectdata *
+Curl_conncache_find_first_connection(struct conncache *connc);
+
+struct connectdata *
+Curl_conncache_extract_bundle(struct Curl_easy *data,
+                              struct connectbundle *bundle);
+struct connectdata *
+Curl_conncache_extract_oldest(struct Curl_easy *data);
+void Curl_conncache_close_all_connections(struct conncache *connc);
+void Curl_conncache_print(struct conncache *connc);
+
+#endif /* HEADER_CURL_CONNCACHE_H */
Index: trunk/src/libs/curl-7.64.0/lib/connect.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/connect.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/connect.c	(revision 85671)
@@ -0,0 +1,1442 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h> /* <netinet/tcp.h> may need it */
+#endif
+#ifdef HAVE_SYS_UN_H
+#include <sys/un.h> /* for sockaddr_un */
+#endif
+#ifdef HAVE_LINUX_TCP_H
+#include <linux/tcp.h>
+#elif defined(HAVE_NETINET_TCP_H)
+#include <netinet/tcp.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+
+#if (defined(HAVE_IOCTL_FIONBIO) && defined(NETWARE))
+#include <sys/filio.h>
+#endif
+#ifdef NETWARE
+#undef in_addr_t
+#define in_addr_t unsigned long
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#include "urldata.h"
+#include "sendf.h"
+#include "if2ip.h"
+#include "strerror.h"
+#include "connect.h"
+#include "select.h"
+#include "url.h" /* for Curl_safefree() */
+#include "multiif.h"
+#include "sockaddr.h" /* required for Curl_sockaddr_storage */
+#include "inet_ntop.h"
+#include "inet_pton.h"
+#include "vtls/vtls.h" /* for Curl_ssl_check_cxn() */
+#include "progress.h"
+#include "warnless.h"
+#include "conncache.h"
+#include "multihandle.h"
+#include "system_win32.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#ifdef __SYMBIAN32__
+/* This isn't actually supported under Symbian OS */
+#undef SO_NOSIGPIPE
+#endif
+
+static bool verifyconnect(curl_socket_t sockfd, int *error);
+
+#if defined(__DragonFly__) || defined(HAVE_WINSOCK_H)
+/* DragonFlyBSD and Windows use millisecond units */
+#define KEEPALIVE_FACTOR(x) (x *= 1000)
+#else
+#define KEEPALIVE_FACTOR(x)
+#endif
+
+#if defined(HAVE_WINSOCK2_H) && !defined(SIO_KEEPALIVE_VALS)
+#define SIO_KEEPALIVE_VALS    _WSAIOW(IOC_VENDOR,4)
+
+struct tcp_keepalive {
+  u_long onoff;
+  u_long keepalivetime;
+  u_long keepaliveinterval;
+};
+#endif
+
+static void
+tcpkeepalive(struct Curl_easy *data,
+             curl_socket_t sockfd)
+{
+  int optval = data->set.tcp_keepalive?1:0;
+
+  /* only set IDLE and INTVL if setting KEEPALIVE is successful */
+  if(setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE,
+        (void *)&optval, sizeof(optval)) < 0) {
+    infof(data, "Failed to set SO_KEEPALIVE on fd %d\n", sockfd);
+  }
+  else {
+#if defined(SIO_KEEPALIVE_VALS)
+    struct tcp_keepalive vals;
+    DWORD dummy;
+    vals.onoff = 1;
+    optval = curlx_sltosi(data->set.tcp_keepidle);
+    KEEPALIVE_FACTOR(optval);
+    vals.keepalivetime = optval;
+    optval = curlx_sltosi(data->set.tcp_keepintvl);
+    KEEPALIVE_FACTOR(optval);
+    vals.keepaliveinterval = optval;
+    if(WSAIoctl(sockfd, SIO_KEEPALIVE_VALS, (LPVOID) &vals, sizeof(vals),
+                NULL, 0, &dummy, NULL, NULL) != 0) {
+      infof(data, "Failed to set SIO_KEEPALIVE_VALS on fd %d: %d\n",
+            (int)sockfd, WSAGetLastError());
+    }
+#else
+#ifdef TCP_KEEPIDLE
+    optval = curlx_sltosi(data->set.tcp_keepidle);
+    KEEPALIVE_FACTOR(optval);
+    if(setsockopt(sockfd, IPPROTO_TCP, TCP_KEEPIDLE,
+          (void *)&optval, sizeof(optval)) < 0) {
+      infof(data, "Failed to set TCP_KEEPIDLE on fd %d\n", sockfd);
+    }
+#endif
+#ifdef TCP_KEEPINTVL
+    optval = curlx_sltosi(data->set.tcp_keepintvl);
+    KEEPALIVE_FACTOR(optval);
+    if(setsockopt(sockfd, IPPROTO_TCP, TCP_KEEPINTVL,
+          (void *)&optval, sizeof(optval)) < 0) {
+      infof(data, "Failed to set TCP_KEEPINTVL on fd %d\n", sockfd);
+    }
+#endif
+#ifdef TCP_KEEPALIVE
+    /* Mac OS X style */
+    optval = curlx_sltosi(data->set.tcp_keepidle);
+    KEEPALIVE_FACTOR(optval);
+    if(setsockopt(sockfd, IPPROTO_TCP, TCP_KEEPALIVE,
+          (void *)&optval, sizeof(optval)) < 0) {
+      infof(data, "Failed to set TCP_KEEPALIVE on fd %d\n", sockfd);
+    }
+#endif
+#endif
+  }
+}
+
+static CURLcode
+singleipconnect(struct connectdata *conn,
+                const Curl_addrinfo *ai, /* start connecting to this */
+                curl_socket_t *sock);
+
+/*
+ * Curl_timeleft() returns the amount of milliseconds left allowed for the
+ * transfer/connection. If the value is negative, the timeout time has already
+ * elapsed.
+ *
+ * The start time is stored in progress.t_startsingle - as set with
+ * Curl_pgrsTime(..., TIMER_STARTSINGLE);
+ *
+ * If 'nowp' is non-NULL, it points to the current time.
+ * 'duringconnect' is FALSE if not during a connect, as then of course the
+ * connect timeout is not taken into account!
+ *
+ * @unittest: 1303
+ */
+timediff_t Curl_timeleft(struct Curl_easy *data,
+                         struct curltime *nowp,
+                         bool duringconnect)
+{
+  int timeout_set = 0;
+  timediff_t timeout_ms = duringconnect?DEFAULT_CONNECT_TIMEOUT:0;
+  struct curltime now;
+
+  /* if a timeout is set, use the most restrictive one */
+
+  if(data->set.timeout > 0)
+    timeout_set |= 1;
+  if(duringconnect && (data->set.connecttimeout > 0))
+    timeout_set |= 2;
+
+  switch(timeout_set) {
+  case 1:
+    timeout_ms = data->set.timeout;
+    break;
+  case 2:
+    timeout_ms = data->set.connecttimeout;
+    break;
+  case 3:
+    if(data->set.timeout < data->set.connecttimeout)
+      timeout_ms = data->set.timeout;
+    else
+      timeout_ms = data->set.connecttimeout;
+    break;
+  default:
+    /* use the default */
+    if(!duringconnect)
+      /* if we're not during connect, there's no default timeout so if we're
+         at zero we better just return zero and not make it a negative number
+         by the math below */
+      return 0;
+    break;
+  }
+
+  if(!nowp) {
+    now = Curl_now();
+    nowp = &now;
+  }
+
+  /* subtract elapsed time */
+  if(duringconnect)
+    /* since this most recent connect started */
+    timeout_ms -= Curl_timediff(*nowp, data->progress.t_startsingle);
+  else
+    /* since the entire operation started */
+    timeout_ms -= Curl_timediff(*nowp, data->progress.t_startop);
+  if(!timeout_ms)
+    /* avoid returning 0 as that means no timeout! */
+    return -1;
+
+  return timeout_ms;
+}
+
+static CURLcode bindlocal(struct connectdata *conn,
+                          curl_socket_t sockfd, int af, unsigned int scope)
+{
+  struct Curl_easy *data = conn->data;
+
+  struct Curl_sockaddr_storage sa;
+  struct sockaddr *sock = (struct sockaddr *)&sa;  /* bind to this address */
+  curl_socklen_t sizeof_sa = 0; /* size of the data sock points to */
+  struct sockaddr_in *si4 = (struct sockaddr_in *)&sa;
+#ifdef ENABLE_IPV6
+  struct sockaddr_in6 *si6 = (struct sockaddr_in6 *)&sa;
+#endif
+
+  struct Curl_dns_entry *h = NULL;
+  unsigned short port = data->set.localport; /* use this port number, 0 for
+                                                "random" */
+  /* how many port numbers to try to bind to, increasing one at a time */
+  int portnum = data->set.localportrange;
+  const char *dev = data->set.str[STRING_DEVICE];
+  int error;
+
+  /*************************************************************
+   * Select device to bind socket to
+   *************************************************************/
+  if(!dev && !port)
+    /* no local kind of binding was requested */
+    return CURLE_OK;
+
+  memset(&sa, 0, sizeof(struct Curl_sockaddr_storage));
+
+  if(dev && (strlen(dev)<255) ) {
+    char myhost[256] = "";
+    int done = 0; /* -1 for error, 1 for address found */
+    bool is_interface = FALSE;
+    bool is_host = FALSE;
+    static const char *if_prefix = "if!";
+    static const char *host_prefix = "host!";
+
+    if(strncmp(if_prefix, dev, strlen(if_prefix)) == 0) {
+      dev += strlen(if_prefix);
+      is_interface = TRUE;
+    }
+    else if(strncmp(host_prefix, dev, strlen(host_prefix)) == 0) {
+      dev += strlen(host_prefix);
+      is_host = TRUE;
+    }
+
+    /* interface */
+    if(!is_host) {
+#ifdef SO_BINDTODEVICE
+      /* I am not sure any other OSs than Linux that provide this feature,
+       * and at the least I cannot test. --Ben
+       *
+       * This feature allows one to tightly bind the local socket to a
+       * particular interface.  This will force even requests to other
+       * local interfaces to go out the external interface.
+       *
+       *
+       * Only bind to the interface when specified as interface, not just
+       * as a hostname or ip address.
+       *
+       * interface might be a VRF, eg: vrf-blue, which means it cannot be
+       * converted to an IP address and would fail Curl_if2ip. Simply try
+       * to use it straight away.
+       */
+      if(setsockopt(sockfd, SOL_SOCKET, SO_BINDTODEVICE,
+                    dev, (curl_socklen_t)strlen(dev) + 1) == 0) {
+        /* This is typically "errno 1, error: Operation not permitted" if
+         * you're not running as root or another suitable privileged
+         * user.
+         * If it succeeds it means the parameter was a valid interface and
+         * not an IP address. Return immediately.
+         */
+        return CURLE_OK;
+      }
+#endif
+
+      switch(Curl_if2ip(af, scope, conn->scope_id, dev,
+                        myhost, sizeof(myhost))) {
+        case IF2IP_NOT_FOUND:
+          if(is_interface) {
+            /* Do not fall back to treating it as a host name */
+            failf(data, "Couldn't bind to interface '%s'", dev);
+            return CURLE_INTERFACE_FAILED;
+          }
+          break;
+        case IF2IP_AF_NOT_SUPPORTED:
+          /* Signal the caller to try another address family if available */
+          return CURLE_UNSUPPORTED_PROTOCOL;
+        case IF2IP_FOUND:
+          is_interface = TRUE;
+          /*
+           * We now have the numerical IP address in the 'myhost' buffer
+           */
+          infof(data, "Local Interface %s is ip %s using address family %i\n",
+                dev, myhost, af);
+          done = 1;
+          break;
+      }
+    }
+    if(!is_interface) {
+      /*
+       * This was not an interface, resolve the name as a host name
+       * or IP number
+       *
+       * Temporarily force name resolution to use only the address type
+       * of the connection. The resolve functions should really be changed
+       * to take a type parameter instead.
+       */
+      long ipver = conn->ip_version;
+      int rc;
+
+      if(af == AF_INET)
+        conn->ip_version = CURL_IPRESOLVE_V4;
+#ifdef ENABLE_IPV6
+      else if(af == AF_INET6)
+        conn->ip_version = CURL_IPRESOLVE_V6;
+#endif
+
+      rc = Curl_resolv(conn, dev, 0, &h);
+      if(rc == CURLRESOLV_PENDING)
+        (void)Curl_resolver_wait_resolv(conn, &h);
+      conn->ip_version = ipver;
+
+      if(h) {
+        /* convert the resolved address, sizeof myhost >= INET_ADDRSTRLEN */
+        Curl_printable_address(h->addr, myhost, sizeof(myhost));
+        infof(data, "Name '%s' family %i resolved to '%s' family %i\n",
+              dev, af, myhost, h->addr->ai_family);
+        Curl_resolv_unlock(data, h);
+        done = 1;
+      }
+      else {
+        /*
+         * provided dev was no interface (or interfaces are not supported
+         * e.g. solaris) no ip address and no domain we fail here
+         */
+        done = -1;
+      }
+    }
+
+    if(done > 0) {
+#ifdef ENABLE_IPV6
+      /* IPv6 address */
+      if(af == AF_INET6) {
+#ifdef HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID
+        char *scope_ptr = strchr(myhost, '%');
+        if(scope_ptr)
+          *(scope_ptr++) = 0;
+#endif
+        if(Curl_inet_pton(AF_INET6, myhost, &si6->sin6_addr) > 0) {
+          si6->sin6_family = AF_INET6;
+          si6->sin6_port = htons(port);
+#ifdef HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID
+          if(scope_ptr)
+            /* The "myhost" string either comes from Curl_if2ip or from
+               Curl_printable_address. The latter returns only numeric scope
+               IDs and the former returns none at all.  So the scope ID, if
+               present, is known to be numeric */
+            si6->sin6_scope_id = atoi(scope_ptr);
+#endif
+        }
+        sizeof_sa = sizeof(struct sockaddr_in6);
+      }
+      else
+#endif
+      /* IPv4 address */
+      if((af == AF_INET) &&
+         (Curl_inet_pton(AF_INET, myhost, &si4->sin_addr) > 0)) {
+        si4->sin_family = AF_INET;
+        si4->sin_port = htons(port);
+        sizeof_sa = sizeof(struct sockaddr_in);
+      }
+    }
+
+    if(done < 1) {
+      /* errorbuf is set false so failf will overwrite any message already in
+         the error buffer, so the user receives this error message instead of a
+         generic resolve error. */
+      data->state.errorbuf = FALSE;
+      failf(data, "Couldn't bind to '%s'", dev);
+      return CURLE_INTERFACE_FAILED;
+    }
+  }
+  else {
+    /* no device was given, prepare sa to match af's needs */
+#ifdef ENABLE_IPV6
+    if(af == AF_INET6) {
+      si6->sin6_family = AF_INET6;
+      si6->sin6_port = htons(port);
+      sizeof_sa = sizeof(struct sockaddr_in6);
+    }
+    else
+#endif
+    if(af == AF_INET) {
+      si4->sin_family = AF_INET;
+      si4->sin_port = htons(port);
+      sizeof_sa = sizeof(struct sockaddr_in);
+    }
+  }
+
+  for(;;) {
+    if(bind(sockfd, sock, sizeof_sa) >= 0) {
+      /* we succeeded to bind */
+      struct Curl_sockaddr_storage add;
+      curl_socklen_t size = sizeof(add);
+      memset(&add, 0, sizeof(struct Curl_sockaddr_storage));
+      if(getsockname(sockfd, (struct sockaddr *) &add, &size) < 0) {
+        data->state.os_errno = error = SOCKERRNO;
+        failf(data, "getsockname() failed with errno %d: %s",
+              error, Curl_strerror(conn, error));
+        return CURLE_INTERFACE_FAILED;
+      }
+      infof(data, "Local port: %hu\n", port);
+      conn->bits.bound = TRUE;
+      return CURLE_OK;
+    }
+
+    if(--portnum > 0) {
+      infof(data, "Bind to local port %hu failed, trying next\n", port);
+      port++; /* try next port */
+      /* We re-use/clobber the port variable here below */
+      if(sock->sa_family == AF_INET)
+        si4->sin_port = ntohs(port);
+#ifdef ENABLE_IPV6
+      else
+        si6->sin6_port = ntohs(port);
+#endif
+    }
+    else
+      break;
+  }
+
+  data->state.os_errno = error = SOCKERRNO;
+  failf(data, "bind failed with errno %d: %s",
+        error, Curl_strerror(conn, error));
+
+  return CURLE_INTERFACE_FAILED;
+}
+
+/*
+ * verifyconnect() returns TRUE if the connect really has happened.
+ */
+static bool verifyconnect(curl_socket_t sockfd, int *error)
+{
+  bool rc = TRUE;
+#ifdef SO_ERROR
+  int err = 0;
+  curl_socklen_t errSize = sizeof(err);
+
+#ifdef WIN32
+  /*
+   * In October 2003 we effectively nullified this function on Windows due to
+   * problems with it using all CPU in multi-threaded cases.
+   *
+   * In May 2004, we bring it back to offer more info back on connect failures.
+   * Gisle Vanem could reproduce the former problems with this function, but
+   * could avoid them by adding this SleepEx() call below:
+   *
+   *    "I don't have Rational Quantify, but the hint from his post was
+   *    ntdll::NtRemoveIoCompletion(). So I'd assume the SleepEx (or maybe
+   *    just Sleep(0) would be enough?) would release whatever
+   *    mutex/critical-section the ntdll call is waiting on.
+   *
+   *    Someone got to verify this on Win-NT 4.0, 2000."
+   */
+
+#ifdef _WIN32_WCE
+  Sleep(0);
+#else
+  SleepEx(0, FALSE);
+#endif
+
+#endif
+
+  if(0 != getsockopt(sockfd, SOL_SOCKET, SO_ERROR, (void *)&err, &errSize))
+    err = SOCKERRNO;
+#ifdef _WIN32_WCE
+  /* Old WinCE versions don't support SO_ERROR */
+  if(WSAENOPROTOOPT == err) {
+    SET_SOCKERRNO(0);
+    err = 0;
+  }
+#endif
+#if defined(EBADIOCTL) && defined(__minix)
+  /* Minix 3.1.x doesn't support getsockopt on UDP sockets */
+  if(EBADIOCTL == err) {
+    SET_SOCKERRNO(0);
+    err = 0;
+  }
+#endif
+  if((0 == err) || (EISCONN == err))
+    /* we are connected, awesome! */
+    rc = TRUE;
+  else
+    /* This wasn't a successful connect */
+    rc = FALSE;
+  if(error)
+    *error = err;
+#else
+  (void)sockfd;
+  if(error)
+    *error = SOCKERRNO;
+#endif
+  return rc;
+}
+
+/* Used within the multi interface. Try next IP address, return TRUE if no
+   more address exists or error */
+static CURLcode trynextip(struct connectdata *conn,
+                          int sockindex,
+                          int tempindex)
+{
+  const int other = tempindex ^ 1;
+  CURLcode result = CURLE_COULDNT_CONNECT;
+
+  /* First clean up after the failed socket.
+     Don't close it yet to ensure that the next IP's socket gets a different
+     file descriptor, which can prevent bugs when the curl_multi_socket_action
+     interface is used with certain select() replacements such as kqueue. */
+  curl_socket_t fd_to_close = conn->tempsock[tempindex];
+  conn->tempsock[tempindex] = CURL_SOCKET_BAD;
+
+  if(sockindex == FIRSTSOCKET) {
+    Curl_addrinfo *ai = NULL;
+    int family = AF_UNSPEC;
+
+    if(conn->tempaddr[tempindex]) {
+      /* find next address in the same protocol family */
+      family = conn->tempaddr[tempindex]->ai_family;
+      ai = conn->tempaddr[tempindex]->ai_next;
+    }
+#ifdef ENABLE_IPV6
+    else if(conn->tempaddr[0]) {
+      /* happy eyeballs - try the other protocol family */
+      int firstfamily = conn->tempaddr[0]->ai_family;
+      family = (firstfamily == AF_INET) ? AF_INET6 : AF_INET;
+      ai = conn->tempaddr[0]->ai_next;
+    }
+#endif
+
+    while(ai) {
+      if(conn->tempaddr[other]) {
+        /* we can safely skip addresses of the other protocol family */
+        while(ai && ai->ai_family != family)
+          ai = ai->ai_next;
+      }
+
+      if(ai) {
+        result = singleipconnect(conn, ai, &conn->tempsock[tempindex]);
+        if(result == CURLE_COULDNT_CONNECT) {
+          ai = ai->ai_next;
+          continue;
+        }
+
+        conn->tempaddr[tempindex] = ai;
+      }
+      break;
+    }
+  }
+
+  if(fd_to_close != CURL_SOCKET_BAD)
+    Curl_closesocket(conn, fd_to_close);
+
+  return result;
+}
+
+/* Copies connection info into the session handle to make it available
+   when the session handle is no longer associated with a connection. */
+void Curl_persistconninfo(struct connectdata *conn)
+{
+  memcpy(conn->data->info.conn_primary_ip, conn->primary_ip, MAX_IPADR_LEN);
+  memcpy(conn->data->info.conn_local_ip, conn->local_ip, MAX_IPADR_LEN);
+  conn->data->info.conn_scheme = conn->handler->scheme;
+  conn->data->info.conn_protocol = conn->handler->protocol;
+  conn->data->info.conn_primary_port = conn->primary_port;
+  conn->data->info.conn_local_port = conn->local_port;
+}
+
+/* retrieves ip address and port from a sockaddr structure.
+   note it calls Curl_inet_ntop which sets errno on fail, not SOCKERRNO. */
+bool Curl_getaddressinfo(struct sockaddr *sa, char *addr,
+                         long *port)
+{
+  unsigned short us_port;
+  struct sockaddr_in *si = NULL;
+#ifdef ENABLE_IPV6
+  struct sockaddr_in6 *si6 = NULL;
+#endif
+#if defined(HAVE_SYS_UN_H) && defined(AF_UNIX)
+  struct sockaddr_un *su = NULL;
+#endif
+
+  switch(sa->sa_family) {
+    case AF_INET:
+      si = (struct sockaddr_in *)(void *) sa;
+      if(Curl_inet_ntop(sa->sa_family, &si->sin_addr,
+                        addr, MAX_IPADR_LEN)) {
+        us_port = ntohs(si->sin_port);
+        *port = us_port;
+        return TRUE;
+      }
+      break;
+#ifdef ENABLE_IPV6
+    case AF_INET6:
+      si6 = (struct sockaddr_in6 *)(void *) sa;
+      if(Curl_inet_ntop(sa->sa_family, &si6->sin6_addr,
+                        addr, MAX_IPADR_LEN)) {
+        us_port = ntohs(si6->sin6_port);
+        *port = us_port;
+        return TRUE;
+      }
+      break;
+#endif
+#if defined(HAVE_SYS_UN_H) && defined(AF_UNIX)
+    case AF_UNIX:
+      su = (struct sockaddr_un*)sa;
+      msnprintf(addr, MAX_IPADR_LEN, "%s", su->sun_path);
+      *port = 0;
+      return TRUE;
+#endif
+    default:
+      break;
+  }
+
+  addr[0] = '\0';
+  *port = 0;
+  errno = EAFNOSUPPORT;
+  return FALSE;
+}
+
+/* retrieves the start/end point information of a socket of an established
+   connection */
+void Curl_updateconninfo(struct connectdata *conn, curl_socket_t sockfd)
+{
+  curl_socklen_t len;
+  struct Curl_sockaddr_storage ssrem;
+  struct Curl_sockaddr_storage ssloc;
+  struct Curl_easy *data = conn->data;
+
+  if(conn->socktype == SOCK_DGRAM)
+    /* there's no connection! */
+    return;
+
+  if(!conn->bits.reuse && !conn->bits.tcp_fastopen) {
+    len = sizeof(struct Curl_sockaddr_storage);
+    if(getpeername(sockfd, (struct sockaddr*) &ssrem, &len)) {
+      int error = SOCKERRNO;
+      failf(data, "getpeername() failed with errno %d: %s",
+            error, Curl_strerror(conn, error));
+      return;
+    }
+
+    len = sizeof(struct Curl_sockaddr_storage);
+    memset(&ssloc, 0, sizeof(ssloc));
+    if(getsockname(sockfd, (struct sockaddr*) &ssloc, &len)) {
+      int error = SOCKERRNO;
+      failf(data, "getsockname() failed with errno %d: %s",
+            error, Curl_strerror(conn, error));
+      return;
+    }
+
+    if(!Curl_getaddressinfo((struct sockaddr*)&ssrem,
+                            conn->primary_ip, &conn->primary_port)) {
+      failf(data, "ssrem inet_ntop() failed with errno %d: %s",
+            errno, Curl_strerror(conn, errno));
+      return;
+    }
+    memcpy(conn->ip_addr_str, conn->primary_ip, MAX_IPADR_LEN);
+
+    if(!Curl_getaddressinfo((struct sockaddr*)&ssloc,
+                            conn->local_ip, &conn->local_port)) {
+      failf(data, "ssloc inet_ntop() failed with errno %d: %s",
+            errno, Curl_strerror(conn, errno));
+      return;
+    }
+
+  }
+
+  /* persist connection info in session handle */
+  Curl_persistconninfo(conn);
+}
+
+/*
+ * Curl_is_connected() checks if the socket has connected.
+ */
+
+CURLcode Curl_is_connected(struct connectdata *conn,
+                           int sockindex,
+                           bool *connected)
+{
+  struct Curl_easy *data = conn->data;
+  CURLcode result = CURLE_OK;
+  timediff_t allow;
+  int error = 0;
+  struct curltime now;
+  int rc;
+  int i;
+
+  DEBUGASSERT(sockindex >= FIRSTSOCKET && sockindex <= SECONDARYSOCKET);
+
+  *connected = FALSE; /* a very negative world view is best */
+
+  if(conn->bits.tcpconnect[sockindex]) {
+    /* we are connected already! */
+    *connected = TRUE;
+    return CURLE_OK;
+  }
+
+  now = Curl_now();
+
+  /* figure out how long time we have left to connect */
+  allow = Curl_timeleft(data, &now, TRUE);
+
+  if(allow < 0) {
+    /* time-out, bail out, go home */
+    failf(data, "Connection time-out");
+    return CURLE_OPERATION_TIMEDOUT;
+  }
+
+  for(i = 0; i<2; i++) {
+    const int other = i ^ 1;
+    if(conn->tempsock[i] == CURL_SOCKET_BAD)
+      continue;
+
+#ifdef mpeix
+    /* Call this function once now, and ignore the results. We do this to
+       "clear" the error state on the socket so that we can later read it
+       reliably. This is reported necessary on the MPE/iX operating system. */
+    (void)verifyconnect(conn->tempsock[i], NULL);
+#endif
+
+    /* check socket for connect */
+    rc = SOCKET_WRITABLE(conn->tempsock[i], 0);
+
+    if(rc == 0) { /* no connection yet */
+      error = 0;
+      if(Curl_timediff(now, conn->connecttime) >= conn->timeoutms_per_addr) {
+        infof(data, "After %ldms connect time, move on!\n",
+              conn->timeoutms_per_addr);
+        error = ETIMEDOUT;
+      }
+
+      /* should we try another protocol family? */
+      if(i == 0 && conn->tempaddr[1] == NULL &&
+         (Curl_timediff(now, conn->connecttime) >=
+          data->set.happy_eyeballs_timeout)) {
+        trynextip(conn, sockindex, 1);
+      }
+    }
+    else if(rc == CURL_CSELECT_OUT || conn->bits.tcp_fastopen) {
+      if(verifyconnect(conn->tempsock[i], &error)) {
+        /* we are connected with TCP, awesome! */
+
+        /* use this socket from now on */
+        conn->sock[sockindex] = conn->tempsock[i];
+        conn->ip_addr = conn->tempaddr[i];
+        conn->tempsock[i] = CURL_SOCKET_BAD;
+#ifdef ENABLE_IPV6
+        conn->bits.ipv6 = (conn->ip_addr->ai_family == AF_INET6)?TRUE:FALSE;
+#endif
+
+        /* close the other socket, if open */
+        if(conn->tempsock[other] != CURL_SOCKET_BAD) {
+          Curl_closesocket(conn, conn->tempsock[other]);
+          conn->tempsock[other] = CURL_SOCKET_BAD;
+        }
+
+        /* see if we need to do any proxy magic first once we connected */
+        result = Curl_connected_proxy(conn, sockindex);
+        if(result)
+          return result;
+
+        conn->bits.tcpconnect[sockindex] = TRUE;
+
+        *connected = TRUE;
+        if(sockindex == FIRSTSOCKET)
+          Curl_pgrsTime(data, TIMER_CONNECT); /* connect done */
+        Curl_updateconninfo(conn, conn->sock[sockindex]);
+        Curl_verboseconnect(conn);
+
+        return CURLE_OK;
+      }
+      infof(data, "Connection failed\n");
+    }
+    else if(rc & CURL_CSELECT_ERR)
+      (void)verifyconnect(conn->tempsock[i], &error);
+
+    /*
+     * The connection failed here, we should attempt to connect to the "next
+     * address" for the given host. But first remember the latest error.
+     */
+    if(error) {
+      data->state.os_errno = error;
+      SET_SOCKERRNO(error);
+      if(conn->tempaddr[i]) {
+        CURLcode status;
+        char ipaddress[MAX_IPADR_LEN];
+        Curl_printable_address(conn->tempaddr[i], ipaddress, MAX_IPADR_LEN);
+        infof(data, "connect to %s port %ld failed: %s\n",
+              ipaddress, conn->port, Curl_strerror(conn, error));
+
+        conn->timeoutms_per_addr = conn->tempaddr[i]->ai_next == NULL ?
+                                   allow : allow / 2;
+
+        status = trynextip(conn, sockindex, i);
+        if(status != CURLE_COULDNT_CONNECT
+            || conn->tempsock[other] == CURL_SOCKET_BAD)
+          /* the last attempt failed and no other sockets remain open */
+          result = status;
+      }
+    }
+  }
+
+  if(result) {
+    /* no more addresses to try */
+
+    const char *hostname;
+
+    /* if the first address family runs out of addresses to try before
+       the happy eyeball timeout, go ahead and try the next family now */
+    if(conn->tempaddr[1] == NULL) {
+      result = trynextip(conn, sockindex, 1);
+      if(!result)
+        return result;
+    }
+
+    if(conn->bits.socksproxy)
+      hostname = conn->socks_proxy.host.name;
+    else if(conn->bits.httpproxy)
+      hostname = conn->http_proxy.host.name;
+    else if(conn->bits.conn_to_host)
+      hostname = conn->conn_to_host.name;
+    else
+      hostname = conn->host.name;
+
+    failf(data, "Failed to connect to %s port %ld: %s",
+        hostname, conn->port, Curl_strerror(conn, error));
+  }
+
+  return result;
+}
+
+void Curl_tcpnodelay(struct connectdata *conn, curl_socket_t sockfd)
+{
+#if defined(TCP_NODELAY)
+#if !defined(CURL_DISABLE_VERBOSE_STRINGS)
+  struct Curl_easy *data = conn->data;
+#endif
+  curl_socklen_t onoff = (curl_socklen_t) 1;
+  int level = IPPROTO_TCP;
+
+#if defined(CURL_DISABLE_VERBOSE_STRINGS)
+  (void) conn;
+#endif
+
+  if(setsockopt(sockfd, level, TCP_NODELAY, (void *)&onoff,
+                sizeof(onoff)) < 0)
+    infof(data, "Could not set TCP_NODELAY: %s\n",
+          Curl_strerror(conn, SOCKERRNO));
+  else
+    infof(data, "TCP_NODELAY set\n");
+#else
+  (void)conn;
+  (void)sockfd;
+#endif
+}
+
+#ifdef SO_NOSIGPIPE
+/* The preferred method on Mac OS X (10.2 and later) to prevent SIGPIPEs when
+   sending data to a dead peer (instead of relying on the 4th argument to send
+   being MSG_NOSIGNAL). Possibly also existing and in use on other BSD
+   systems? */
+static void nosigpipe(struct connectdata *conn,
+                      curl_socket_t sockfd)
+{
+  struct Curl_easy *data = conn->data;
+  int onoff = 1;
+  if(setsockopt(sockfd, SOL_SOCKET, SO_NOSIGPIPE, (void *)&onoff,
+                sizeof(onoff)) < 0)
+    infof(data, "Could not set SO_NOSIGPIPE: %s\n",
+          Curl_strerror(conn, SOCKERRNO));
+}
+#else
+#define nosigpipe(x,y) Curl_nop_stmt
+#endif
+
+#ifdef USE_WINSOCK
+/* When you run a program that uses the Windows Sockets API, you may
+   experience slow performance when you copy data to a TCP server.
+
+   https://support.microsoft.com/kb/823764
+
+   Work-around: Make the Socket Send Buffer Size Larger Than the Program Send
+   Buffer Size
+
+   The problem described in this knowledge-base is applied only to pre-Vista
+   Windows.  Following function trying to detect OS version and skips
+   SO_SNDBUF adjustment for Windows Vista and above.
+*/
+#define DETECT_OS_NONE 0
+#define DETECT_OS_PREVISTA 1
+#define DETECT_OS_VISTA_OR_LATER 2
+
+void Curl_sndbufset(curl_socket_t sockfd)
+{
+  int val = CURL_MAX_WRITE_SIZE + 32;
+  int curval = 0;
+  int curlen = sizeof(curval);
+
+  static int detectOsState = DETECT_OS_NONE;
+
+  if(detectOsState == DETECT_OS_NONE) {
+    if(Curl_verify_windows_version(6, 0, PLATFORM_WINNT,
+                                   VERSION_GREATER_THAN_EQUAL))
+      detectOsState = DETECT_OS_VISTA_OR_LATER;
+    else
+      detectOsState = DETECT_OS_PREVISTA;
+  }
+
+  if(detectOsState == DETECT_OS_VISTA_OR_LATER)
+    return;
+
+  if(getsockopt(sockfd, SOL_SOCKET, SO_SNDBUF, (char *)&curval, &curlen) == 0)
+    if(curval > val)
+      return;
+
+  setsockopt(sockfd, SOL_SOCKET, SO_SNDBUF, (const char *)&val, sizeof(val));
+}
+#endif
+
+/*
+ * singleipconnect()
+ *
+ * Note that even on connect fail it returns CURLE_OK, but with 'sock' set to
+ * CURL_SOCKET_BAD. Other errors will however return proper errors.
+ *
+ * singleipconnect() connects to the given IP only, and it may return without
+ * having connected.
+ */
+static CURLcode singleipconnect(struct connectdata *conn,
+                                const Curl_addrinfo *ai,
+                                curl_socket_t *sockp)
+{
+  struct Curl_sockaddr_ex addr;
+  int rc = -1;
+  int error = 0;
+  bool isconnected = FALSE;
+  struct Curl_easy *data = conn->data;
+  curl_socket_t sockfd;
+  CURLcode result;
+  char ipaddress[MAX_IPADR_LEN];
+  long port;
+  bool is_tcp;
+#ifdef TCP_FASTOPEN_CONNECT
+  int optval = 1;
+#endif
+
+  *sockp = CURL_SOCKET_BAD;
+
+  result = Curl_socket(conn, ai, &addr, &sockfd);
+  if(result)
+    /* Failed to create the socket, but still return OK since we signal the
+       lack of socket as well. This allows the parent function to keep looping
+       over alternative addresses/socket families etc. */
+    return CURLE_OK;
+
+  /* store remote address and port used in this connection attempt */
+  if(!Curl_getaddressinfo((struct sockaddr*)&addr.sa_addr,
+                          ipaddress, &port)) {
+    /* malformed address or bug in inet_ntop, try next address */
+    failf(data, "sa_addr inet_ntop() failed with errno %d: %s",
+          errno, Curl_strerror(conn, errno));
+    Curl_closesocket(conn, sockfd);
+    return CURLE_OK;
+  }
+  infof(data, "  Trying %s...\n", ipaddress);
+
+#ifdef ENABLE_IPV6
+  is_tcp = (addr.family == AF_INET || addr.family == AF_INET6) &&
+    addr.socktype == SOCK_STREAM;
+#else
+  is_tcp = (addr.family == AF_INET) && addr.socktype == SOCK_STREAM;
+#endif
+  if(is_tcp && data->set.tcp_nodelay)
+    Curl_tcpnodelay(conn, sockfd);
+
+  nosigpipe(conn, sockfd);
+
+  Curl_sndbufset(sockfd);
+
+  if(is_tcp && data->set.tcp_keepalive)
+    tcpkeepalive(data, sockfd);
+
+  if(data->set.fsockopt) {
+    /* activate callback for setting socket options */
+    Curl_set_in_callback(data, true);
+    error = data->set.fsockopt(data->set.sockopt_client,
+                               sockfd,
+                               CURLSOCKTYPE_IPCXN);
+    Curl_set_in_callback(data, false);
+
+    if(error == CURL_SOCKOPT_ALREADY_CONNECTED)
+      isconnected = TRUE;
+    else if(error) {
+      Curl_closesocket(conn, sockfd); /* close the socket and bail out */
+      return CURLE_ABORTED_BY_CALLBACK;
+    }
+  }
+
+  /* possibly bind the local end to an IP, interface or port */
+  if(addr.family == AF_INET
+#ifdef ENABLE_IPV6
+     || addr.family == AF_INET6
+#endif
+    ) {
+    result = bindlocal(conn, sockfd, addr.family,
+                       Curl_ipv6_scope((struct sockaddr*)&addr.sa_addr));
+    if(result) {
+      Curl_closesocket(conn, sockfd); /* close socket and bail out */
+      if(result == CURLE_UNSUPPORTED_PROTOCOL) {
+        /* The address family is not supported on this interface.
+           We can continue trying addresses */
+        return CURLE_COULDNT_CONNECT;
+      }
+      return result;
+    }
+  }
+
+  /* set socket non-blocking */
+  (void)curlx_nonblock(sockfd, TRUE);
+
+  conn->connecttime = Curl_now();
+  if(conn->num_addr > 1)
+    Curl_expire(data, conn->timeoutms_per_addr, EXPIRE_DNS_PER_NAME);
+
+  /* Connect TCP sockets, bind UDP */
+  if(!isconnected && (conn->socktype == SOCK_STREAM)) {
+    if(conn->bits.tcp_fastopen) {
+#if defined(CONNECT_DATA_IDEMPOTENT) /* Darwin */
+#  if defined(HAVE_BUILTIN_AVAILABLE)
+      /* while connectx function is available since macOS 10.11 / iOS 9,
+         it did not have the interface declared correctly until
+         Xcode 9 / macOS SDK 10.13 */
+      if(__builtin_available(macOS 10.11, iOS 9.0, tvOS 9.0, watchOS 2.0, *)) {
+        sa_endpoints_t endpoints;
+        endpoints.sae_srcif = 0;
+        endpoints.sae_srcaddr = NULL;
+        endpoints.sae_srcaddrlen = 0;
+        endpoints.sae_dstaddr = &addr.sa_addr;
+        endpoints.sae_dstaddrlen = addr.addrlen;
+
+        rc = connectx(sockfd, &endpoints, SAE_ASSOCID_ANY,
+                      CONNECT_RESUME_ON_READ_WRITE | CONNECT_DATA_IDEMPOTENT,
+                      NULL, 0, NULL, NULL);
+      }
+      else {
+        rc = connect(sockfd, &addr.sa_addr, addr.addrlen);
+      }
+#  else
+      rc = connect(sockfd, &addr.sa_addr, addr.addrlen);
+#  endif /* HAVE_BUILTIN_AVAILABLE */
+#elif defined(TCP_FASTOPEN_CONNECT) /* Linux >= 4.11 */
+      if(setsockopt(sockfd, IPPROTO_TCP, TCP_FASTOPEN_CONNECT,
+                    (void *)&optval, sizeof(optval)) < 0)
+        infof(data, "Failed to enable TCP Fast Open on fd %d\n", sockfd);
+      else
+        infof(data, "TCP_FASTOPEN_CONNECT set\n");
+
+      rc = connect(sockfd, &addr.sa_addr, addr.addrlen);
+#elif defined(MSG_FASTOPEN) /* old Linux */
+      if(conn->given->flags & PROTOPT_SSL)
+        rc = connect(sockfd, &addr.sa_addr, addr.addrlen);
+      else
+        rc = 0; /* Do nothing */
+#endif
+    }
+    else {
+      rc = connect(sockfd, &addr.sa_addr, addr.addrlen);
+    }
+
+    if(-1 == rc)
+      error = SOCKERRNO;
+  }
+  else {
+    *sockp = sockfd;
+    return CURLE_OK;
+  }
+
+  if(-1 == rc) {
+    switch(error) {
+    case EINPROGRESS:
+    case EWOULDBLOCK:
+#if defined(EAGAIN)
+#if (EAGAIN) != (EWOULDBLOCK)
+      /* On some platforms EAGAIN and EWOULDBLOCK are the
+       * same value, and on others they are different, hence
+       * the odd #if
+       */
+    case EAGAIN:
+#endif
+#endif
+      result = CURLE_OK;
+      break;
+
+    default:
+      /* unknown error, fallthrough and try another address! */
+      infof(data, "Immediate connect fail for %s: %s\n",
+            ipaddress, Curl_strerror(conn, error));
+      data->state.os_errno = error;
+
+      /* connect failed */
+      Curl_closesocket(conn, sockfd);
+      result = CURLE_COULDNT_CONNECT;
+    }
+  }
+
+  if(!result)
+    *sockp = sockfd;
+
+  return result;
+}
+
+/*
+ * TCP connect to the given host with timeout, proxy or remote doesn't matter.
+ * There might be more than one IP address to try out. Fill in the passed
+ * pointer with the connected socket.
+ */
+
+CURLcode Curl_connecthost(struct connectdata *conn,  /* context */
+                          const struct Curl_dns_entry *remotehost)
+{
+  struct Curl_easy *data = conn->data;
+  struct curltime before = Curl_now();
+  CURLcode result = CURLE_COULDNT_CONNECT;
+
+  timediff_t timeout_ms = Curl_timeleft(data, &before, TRUE);
+
+  if(timeout_ms < 0) {
+    /* a precaution, no need to continue if time already is up */
+    failf(data, "Connection time-out");
+    return CURLE_OPERATION_TIMEDOUT;
+  }
+
+  conn->num_addr = Curl_num_addresses(remotehost->addr);
+  conn->tempaddr[0] = remotehost->addr;
+  conn->tempaddr[1] = NULL;
+  conn->tempsock[0] = CURL_SOCKET_BAD;
+  conn->tempsock[1] = CURL_SOCKET_BAD;
+
+  /* Max time for the next connection attempt */
+  conn->timeoutms_per_addr =
+    conn->tempaddr[0]->ai_next == NULL ? timeout_ms : timeout_ms / 2;
+
+  /* start connecting to first IP */
+  while(conn->tempaddr[0]) {
+    result = singleipconnect(conn, conn->tempaddr[0], &(conn->tempsock[0]));
+    if(!result)
+      break;
+    conn->tempaddr[0] = conn->tempaddr[0]->ai_next;
+  }
+
+  if(conn->tempsock[0] == CURL_SOCKET_BAD) {
+    if(!result)
+      result = CURLE_COULDNT_CONNECT;
+    return result;
+  }
+
+  data->info.numconnects++; /* to track the number of connections made */
+  Curl_expire(conn->data, data->set.happy_eyeballs_timeout,
+              EXPIRE_HAPPY_EYEBALLS);
+
+  return CURLE_OK;
+}
+
+struct connfind {
+  struct connectdata *tofind;
+  bool found;
+};
+
+static int conn_is_conn(struct connectdata *conn, void *param)
+{
+  struct connfind *f = (struct connfind *)param;
+  if(conn == f->tofind) {
+    f->found = TRUE;
+    return 1;
+  }
+  return 0;
+}
+
+/*
+ * Used to extract socket and connectdata struct for the most recent
+ * transfer on the given Curl_easy.
+ *
+ * The returned socket will be CURL_SOCKET_BAD in case of failure!
+ */
+curl_socket_t Curl_getconnectinfo(struct Curl_easy *data,
+                                  struct connectdata **connp)
+{
+  DEBUGASSERT(data);
+
+  /* this works for an easy handle:
+   * - that has been used for curl_easy_perform()
+   * - that is associated with a multi handle, and whose connection
+   *   was detached with CURLOPT_CONNECT_ONLY
+   */
+  if(data->state.lastconnect && (data->multi_easy || data->multi)) {
+    struct connectdata *c = data->state.lastconnect;
+    struct connfind find;
+    find.tofind = data->state.lastconnect;
+    find.found = FALSE;
+
+    Curl_conncache_foreach(data, data->multi_easy?
+                           &data->multi_easy->conn_cache:
+                           &data->multi->conn_cache, &find, conn_is_conn);
+
+    if(!find.found) {
+      data->state.lastconnect = NULL;
+      return CURL_SOCKET_BAD;
+    }
+
+    if(connp) {
+      /* only store this if the caller cares for it */
+      *connp = c;
+      c->data = data;
+    }
+    return c->sock[FIRSTSOCKET];
+  }
+  else
+    return CURL_SOCKET_BAD;
+}
+
+/*
+ * Check if a connection seems to be alive.
+ */
+bool Curl_connalive(struct connectdata *conn)
+{
+  /* First determine if ssl */
+  if(conn->ssl[FIRSTSOCKET].use) {
+    /* use the SSL context */
+    if(!Curl_ssl_check_cxn(conn))
+      return false;   /* FIN received */
+  }
+/* Minix 3.1 doesn't support any flags on recv; just assume socket is OK */
+#ifdef MSG_PEEK
+  else if(conn->sock[FIRSTSOCKET] == CURL_SOCKET_BAD)
+    return false;
+  else {
+    /* use the socket */
+    char buf;
+    if(recv((RECV_TYPE_ARG1)conn->sock[FIRSTSOCKET], (RECV_TYPE_ARG2)&buf,
+            (RECV_TYPE_ARG3)1, (RECV_TYPE_ARG4)MSG_PEEK) == 0) {
+      return false;   /* FIN received */
+    }
+  }
+#endif
+  return true;
+}
+
+/*
+ * Close a socket.
+ *
+ * 'conn' can be NULL, beware!
+ */
+int Curl_closesocket(struct connectdata *conn,
+                      curl_socket_t sock)
+{
+  if(conn && conn->fclosesocket) {
+    if((sock == conn->sock[SECONDARYSOCKET]) &&
+       conn->sock_accepted[SECONDARYSOCKET])
+      /* if this socket matches the second socket, and that was created with
+         accept, then we MUST NOT call the callback but clear the accepted
+         status */
+      conn->sock_accepted[SECONDARYSOCKET] = FALSE;
+    else {
+      int rc;
+      Curl_multi_closed(conn->data, sock);
+      Curl_set_in_callback(conn->data, true);
+      rc = conn->fclosesocket(conn->closesocket_client, sock);
+      Curl_set_in_callback(conn->data, false);
+      return rc;
+    }
+  }
+
+  if(conn)
+    /* tell the multi-socket code about this */
+    Curl_multi_closed(conn->data, sock);
+
+  sclose(sock);
+
+  return 0;
+}
+
+/*
+ * Create a socket based on info from 'conn' and 'ai'.
+ *
+ * 'addr' should be a pointer to the correct struct to get data back, or NULL.
+ * 'sockfd' must be a pointer to a socket descriptor.
+ *
+ * If the open socket callback is set, used that!
+ *
+ */
+CURLcode Curl_socket(struct connectdata *conn,
+                     const Curl_addrinfo *ai,
+                     struct Curl_sockaddr_ex *addr,
+                     curl_socket_t *sockfd)
+{
+  struct Curl_easy *data = conn->data;
+  struct Curl_sockaddr_ex dummy;
+
+  if(!addr)
+    /* if the caller doesn't want info back, use a local temp copy */
+    addr = &dummy;
+
+  /*
+   * The Curl_sockaddr_ex structure is basically libcurl's external API
+   * curl_sockaddr structure with enough space available to directly hold
+   * any protocol-specific address structures. The variable declared here
+   * will be used to pass / receive data to/from the fopensocket callback
+   * if this has been set, before that, it is initialized from parameters.
+   */
+
+  addr->family = ai->ai_family;
+  addr->socktype = conn->socktype;
+  addr->protocol = conn->socktype == SOCK_DGRAM?IPPROTO_UDP:ai->ai_protocol;
+  addr->addrlen = ai->ai_addrlen;
+
+  if(addr->addrlen > sizeof(struct Curl_sockaddr_storage))
+     addr->addrlen = sizeof(struct Curl_sockaddr_storage);
+  memcpy(&addr->sa_addr, ai->ai_addr, addr->addrlen);
+
+  if(data->set.fopensocket) {
+   /*
+    * If the opensocket callback is set, all the destination address
+    * information is passed to the callback. Depending on this information the
+    * callback may opt to abort the connection, this is indicated returning
+    * CURL_SOCKET_BAD; otherwise it will return a not-connected socket. When
+    * the callback returns a valid socket the destination address information
+    * might have been changed and this 'new' address will actually be used
+    * here to connect.
+    */
+    Curl_set_in_callback(data, true);
+    *sockfd = data->set.fopensocket(data->set.opensocket_client,
+                                    CURLSOCKTYPE_IPCXN,
+                                    (struct curl_sockaddr *)addr);
+    Curl_set_in_callback(data, false);
+  }
+  else
+    /* opensocket callback not set, so simply create the socket now */
+    *sockfd = socket(addr->family, addr->socktype, addr->protocol);
+
+  if(*sockfd == CURL_SOCKET_BAD)
+    /* no socket, no connection */
+    return CURLE_COULDNT_CONNECT;
+
+#if defined(ENABLE_IPV6) && defined(HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID)
+  if(conn->scope_id && (addr->family == AF_INET6)) {
+    struct sockaddr_in6 * const sa6 = (void *)&addr->sa_addr;
+    sa6->sin6_scope_id = conn->scope_id;
+  }
+#endif
+
+  return CURLE_OK;
+
+}
+
+/*
+ * Curl_conncontrol() marks streams or connection for closure.
+ */
+void Curl_conncontrol(struct connectdata *conn,
+                      int ctrl /* see defines in header */
+#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
+                      , const char *reason
+#endif
+  )
+{
+  /* close if a connection, or a stream that isn't multiplexed */
+  bool closeit = (ctrl == CONNCTRL_CONNECTION) ||
+    ((ctrl == CONNCTRL_STREAM) && !(conn->handler->flags & PROTOPT_STREAM));
+  if((ctrl == CONNCTRL_STREAM) &&
+     (conn->handler->flags & PROTOPT_STREAM))
+    DEBUGF(infof(conn->data, "Kill stream: %s\n", reason));
+  else if(closeit != conn->bits.close) {
+    DEBUGF(infof(conn->data, "Marked for [%s]: %s\n",
+                 closeit?"closure":"keep alive", reason));
+    conn->bits.close = closeit; /* the only place in the source code that
+                                   should assign this bit */
+  }
+}
+
+/* Data received can be cached at various levels, so check them all here. */
+bool Curl_conn_data_pending(struct connectdata *conn, int sockindex)
+{
+  int readable;
+
+  if(Curl_ssl_data_pending(conn, sockindex) ||
+     Curl_recv_has_postponed_data(conn, sockindex))
+    return true;
+
+  readable = SOCKET_READABLE(conn->sock[sockindex], 0);
+  return (readable > 0 && (readable & CURL_CSELECT_IN));
+}
Index: trunk/src/libs/curl-7.64.0/lib/connect.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/connect.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/connect.h	(revision 85671)
@@ -0,0 +1,151 @@
+#ifndef HEADER_CURL_CONNECT_H
+#define HEADER_CURL_CONNECT_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#include "nonblock.h" /* for curlx_nonblock(), formerly Curl_nonblock() */
+#include "sockaddr.h"
+#include "timeval.h"
+
+CURLcode Curl_is_connected(struct connectdata *conn,
+                           int sockindex,
+                           bool *connected);
+
+CURLcode Curl_connecthost(struct connectdata *conn,
+                          const struct Curl_dns_entry *host);
+
+/* generic function that returns how much time there's left to run, according
+   to the timeouts set */
+timediff_t Curl_timeleft(struct Curl_easy *data,
+                         struct curltime *nowp,
+                         bool duringconnect);
+
+#define DEFAULT_CONNECT_TIMEOUT 300000 /* milliseconds == five minutes */
+
+/*
+ * Used to extract socket and connectdata struct for the most recent
+ * transfer on the given Curl_easy.
+ *
+ * The returned socket will be CURL_SOCKET_BAD in case of failure!
+ */
+curl_socket_t Curl_getconnectinfo(struct Curl_easy *data,
+                                  struct connectdata **connp);
+
+/*
+ * Check if a connection seems to be alive.
+ */
+bool Curl_connalive(struct connectdata *conn);
+
+#ifdef USE_WINSOCK
+/* When you run a program that uses the Windows Sockets API, you may
+   experience slow performance when you copy data to a TCP server.
+
+   https://support.microsoft.com/kb/823764
+
+   Work-around: Make the Socket Send Buffer Size Larger Than the Program Send
+   Buffer Size
+
+*/
+void Curl_sndbufset(curl_socket_t sockfd);
+#else
+#define Curl_sndbufset(y) Curl_nop_stmt
+#endif
+
+void Curl_updateconninfo(struct connectdata *conn, curl_socket_t sockfd);
+void Curl_persistconninfo(struct connectdata *conn);
+int Curl_closesocket(struct connectdata *conn, curl_socket_t sock);
+
+/*
+ * Get presentation format IP address and port from a sockaddr.
+ */
+bool Curl_getaddressinfo(struct sockaddr *sa, char *addr, long *port);
+
+/*
+ * The Curl_sockaddr_ex structure is basically libcurl's external API
+ * curl_sockaddr structure with enough space available to directly hold any
+ * protocol-specific address structures. The variable declared here will be
+ * used to pass / receive data to/from the fopensocket callback if this has
+ * been set, before that, it is initialized from parameters.
+ */
+struct Curl_sockaddr_ex {
+  int family;
+  int socktype;
+  int protocol;
+  unsigned int addrlen;
+  union {
+    struct sockaddr addr;
+    struct Curl_sockaddr_storage buff;
+  } _sa_ex_u;
+};
+#define sa_addr _sa_ex_u.addr
+
+/*
+ * Create a socket based on info from 'conn' and 'ai'.
+ *
+ * Fill in 'addr' and 'sockfd' accordingly if OK is returned. If the open
+ * socket callback is set, used that!
+ *
+ */
+CURLcode Curl_socket(struct connectdata *conn,
+                     const Curl_addrinfo *ai,
+                     struct Curl_sockaddr_ex *addr,
+                     curl_socket_t *sockfd);
+
+void Curl_tcpnodelay(struct connectdata *conn, curl_socket_t sockfd);
+
+/*
+ * Curl_conncontrol() marks the end of a connection/stream. The 'closeit'
+ * argument specifies if it is the end of a connection or a stream.
+ *
+ * For stream-based protocols (such as HTTP/2), a stream close will not cause
+ * a connection close. Other protocols will close the connection for both
+ * cases.
+ *
+ * It sets the bit.close bit to TRUE (with an explanation for debug builds),
+ * when the connection will close.
+ */
+
+#define CONNCTRL_KEEP 0 /* undo a marked closure */
+#define CONNCTRL_CONNECTION 1
+#define CONNCTRL_STREAM 2
+
+void Curl_conncontrol(struct connectdata *conn,
+                      int closeit
+#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
+                      , const char *reason
+#endif
+  );
+
+#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
+#define streamclose(x,y) Curl_conncontrol(x, CONNCTRL_STREAM, y)
+#define connclose(x,y) Curl_conncontrol(x, CONNCTRL_CONNECTION, y)
+#define connkeep(x,y) Curl_conncontrol(x, CONNCTRL_KEEP, y)
+#else /* if !DEBUGBUILD || CURL_DISABLE_VERBOSE_STRINGS */
+#define streamclose(x,y) Curl_conncontrol(x, CONNCTRL_STREAM)
+#define connclose(x,y) Curl_conncontrol(x, CONNCTRL_CONNECTION)
+#define connkeep(x,y) Curl_conncontrol(x, CONNCTRL_KEEP)
+#endif
+
+bool Curl_conn_data_pending(struct connectdata *conn, int sockindex);
+
+#endif /* HEADER_CURL_CONNECT_H */
Index: trunk/src/libs/curl-7.64.0/lib/content_encoding.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/content_encoding.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/content_encoding.c	(revision 85671)
@@ -0,0 +1,1020 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include "urldata.h"
+#include <curl/curl.h>
+#include <stddef.h>
+
+#ifdef HAVE_ZLIB_H
+#include <zlib.h>
+#ifdef __SYMBIAN32__
+/* zlib pollutes the namespace with this definition */
+#undef WIN32
+#endif
+#endif
+
+#ifdef HAVE_BROTLI
+#include <brotli/decode.h>
+#endif
+
+#include "sendf.h"
+#include "http.h"
+#include "content_encoding.h"
+#include "strdup.h"
+#include "strcase.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#define CONTENT_ENCODING_DEFAULT  "identity"
+
+#ifndef CURL_DISABLE_HTTP
+
+#define DSIZ CURL_MAX_WRITE_SIZE /* buffer size for decompressed data */
+
+
+#ifdef HAVE_LIBZ
+
+/* Comment this out if zlib is always going to be at least ver. 1.2.0.4
+   (doing so will reduce code size slightly). */
+#define OLD_ZLIB_SUPPORT 1
+
+#define GZIP_MAGIC_0 0x1f
+#define GZIP_MAGIC_1 0x8b
+
+/* gzip flag byte */
+#define ASCII_FLAG   0x01 /* bit 0 set: file probably ascii text */
+#define HEAD_CRC     0x02 /* bit 1 set: header CRC present */
+#define EXTRA_FIELD  0x04 /* bit 2 set: extra field present */
+#define ORIG_NAME    0x08 /* bit 3 set: original file name present */
+#define COMMENT      0x10 /* bit 4 set: file comment present */
+#define RESERVED     0xE0 /* bits 5..7: reserved */
+
+typedef enum {
+  ZLIB_UNINIT,               /* uninitialized */
+  ZLIB_INIT,                 /* initialized */
+  ZLIB_INFLATING,            /* inflating started. */
+  ZLIB_EXTERNAL_TRAILER,     /* reading external trailer */
+  ZLIB_GZIP_HEADER,          /* reading gzip header */
+  ZLIB_GZIP_INFLATING,       /* inflating gzip stream */
+  ZLIB_INIT_GZIP             /* initialized in transparent gzip mode */
+} zlibInitState;
+
+/* Writer parameters. */
+typedef struct {
+  zlibInitState zlib_init;   /* zlib init state */
+  uInt trailerlen;           /* Remaining trailer byte count. */
+  z_stream z;                /* State structure for zlib. */
+}  zlib_params;
+
+
+static voidpf
+zalloc_cb(voidpf opaque, unsigned int items, unsigned int size)
+{
+  (void) opaque;
+  /* not a typo, keep it calloc() */
+  return (voidpf) calloc(items, size);
+}
+
+static void
+zfree_cb(voidpf opaque, voidpf ptr)
+{
+  (void) opaque;
+  free(ptr);
+}
+
+static CURLcode
+process_zlib_error(struct connectdata *conn, z_stream *z)
+{
+  struct Curl_easy *data = conn->data;
+  if(z->msg)
+    failf(data, "Error while processing content unencoding: %s",
+          z->msg);
+  else
+    failf(data, "Error while processing content unencoding: "
+          "Unknown failure within decompression software.");
+
+  return CURLE_BAD_CONTENT_ENCODING;
+}
+
+static CURLcode
+exit_zlib(struct connectdata *conn,
+          z_stream *z, zlibInitState *zlib_init, CURLcode result)
+{
+  if(*zlib_init == ZLIB_GZIP_HEADER)
+    Curl_safefree(z->next_in);
+
+  if(*zlib_init != ZLIB_UNINIT) {
+    if(inflateEnd(z) != Z_OK && result == CURLE_OK)
+      result = process_zlib_error(conn, z);
+    *zlib_init = ZLIB_UNINIT;
+  }
+
+  return result;
+}
+
+static CURLcode process_trailer(struct connectdata *conn, zlib_params *zp)
+{
+  z_stream *z = &zp->z;
+  CURLcode result = CURLE_OK;
+  uInt len = z->avail_in < zp->trailerlen? z->avail_in: zp->trailerlen;
+
+  /* Consume expected trailer bytes. Terminate stream if exhausted.
+     Issue an error if unexpected bytes follow. */
+
+  zp->trailerlen -= len;
+  z->avail_in -= len;
+  z->next_in += len;
+  if(z->avail_in)
+    result = CURLE_WRITE_ERROR;
+  if(result || !zp->trailerlen)
+    result = exit_zlib(conn, z, &zp->zlib_init, result);
+  else {
+    /* Only occurs for gzip with zlib < 1.2.0.4 or raw deflate. */
+    zp->zlib_init = ZLIB_EXTERNAL_TRAILER;
+  }
+  return result;
+}
+
+static CURLcode inflate_stream(struct connectdata *conn,
+                               contenc_writer *writer, zlibInitState started)
+{
+  zlib_params *zp = (zlib_params *) &writer->params;
+  z_stream *z = &zp->z;         /* zlib state structure */
+  uInt nread = z->avail_in;
+  Bytef *orig_in = z->next_in;
+  bool done = FALSE;
+  CURLcode result = CURLE_OK;   /* Curl_client_write status */
+  char *decomp;                 /* Put the decompressed data here. */
+
+  /* Check state. */
+  if(zp->zlib_init != ZLIB_INIT &&
+     zp->zlib_init != ZLIB_INFLATING &&
+     zp->zlib_init != ZLIB_INIT_GZIP &&
+     zp->zlib_init != ZLIB_GZIP_INFLATING)
+    return exit_zlib(conn, z, &zp->zlib_init, CURLE_WRITE_ERROR);
+
+  /* Dynamically allocate a buffer for decompression because it's uncommonly
+     large to hold on the stack */
+  decomp = malloc(DSIZ);
+  if(decomp == NULL)
+    return exit_zlib(conn, z, &zp->zlib_init, CURLE_OUT_OF_MEMORY);
+
+  /* because the buffer size is fixed, iteratively decompress and transfer to
+     the client via downstream_write function. */
+  while(!done) {
+    int status;                   /* zlib status */
+    done = TRUE;
+
+    /* (re)set buffer for decompressed output for every iteration */
+    z->next_out = (Bytef *) decomp;
+    z->avail_out = DSIZ;
+
+#ifdef Z_BLOCK
+    /* Z_BLOCK is only available in zlib ver. >= 1.2.0.5 */
+    status = inflate(z, Z_BLOCK);
+#else
+    /* fallback for zlib ver. < 1.2.0.5 */
+    status = inflate(z, Z_SYNC_FLUSH);
+#endif
+
+    /* Flush output data if some. */
+    if(z->avail_out != DSIZ) {
+      if(status == Z_OK || status == Z_STREAM_END) {
+        zp->zlib_init = started;      /* Data started. */
+        result = Curl_unencode_write(conn, writer->downstream, decomp,
+                                     DSIZ - z->avail_out);
+        if(result) {
+          exit_zlib(conn, z, &zp->zlib_init, result);
+          break;
+        }
+      }
+    }
+
+    /* Dispatch by inflate() status. */
+    switch(status) {
+    case Z_OK:
+      /* Always loop: there may be unflushed latched data in zlib state. */
+      done = FALSE;
+      break;
+    case Z_BUF_ERROR:
+      /* No more data to flush: just exit loop. */
+      break;
+    case Z_STREAM_END:
+      result = process_trailer(conn, zp);
+      break;
+    case Z_DATA_ERROR:
+      /* some servers seem to not generate zlib headers, so this is an attempt
+         to fix and continue anyway */
+      if(zp->zlib_init == ZLIB_INIT) {
+        /* Do not use inflateReset2(): only available since zlib 1.2.3.4. */
+        (void) inflateEnd(z);     /* don't care about the return code */
+        if(inflateInit2(z, -MAX_WBITS) == Z_OK) {
+          z->next_in = orig_in;
+          z->avail_in = nread;
+          zp->zlib_init = ZLIB_INFLATING;
+          zp->trailerlen = 4; /* Tolerate up to 4 unknown trailer bytes. */
+          done = FALSE;
+          break;
+        }
+        zp->zlib_init = ZLIB_UNINIT;    /* inflateEnd() already called. */
+      }
+      /* FALLTHROUGH */
+    default:
+      result = exit_zlib(conn, z, &zp->zlib_init, process_zlib_error(conn, z));
+      break;
+    }
+  }
+  free(decomp);
+
+  /* We're about to leave this call so the `nread' data bytes won't be seen
+     again. If we are in a state that would wrongly allow restart in raw mode
+     at the next call, assume output has already started. */
+  if(nread && zp->zlib_init == ZLIB_INIT)
+    zp->zlib_init = started;      /* Cannot restart anymore. */
+
+  return result;
+}
+
+
+/* Deflate handler. */
+static CURLcode deflate_init_writer(struct connectdata *conn,
+                                    contenc_writer *writer)
+{
+  zlib_params *zp = (zlib_params *) &writer->params;
+  z_stream *z = &zp->z;     /* zlib state structure */
+
+  if(!writer->downstream)
+    return CURLE_WRITE_ERROR;
+
+  /* Initialize zlib */
+  z->zalloc = (alloc_func) zalloc_cb;
+  z->zfree = (free_func) zfree_cb;
+
+  if(inflateInit(z) != Z_OK)
+    return process_zlib_error(conn, z);
+  zp->zlib_init = ZLIB_INIT;
+  return CURLE_OK;
+}
+
+static CURLcode deflate_unencode_write(struct connectdata *conn,
+                                       contenc_writer *writer,
+                                       const char *buf, size_t nbytes)
+{
+  zlib_params *zp = (zlib_params *) &writer->params;
+  z_stream *z = &zp->z;     /* zlib state structure */
+
+  /* Set the compressed input when this function is called */
+  z->next_in = (Bytef *) buf;
+  z->avail_in = (uInt) nbytes;
+
+  if(zp->zlib_init == ZLIB_EXTERNAL_TRAILER)
+    return process_trailer(conn, zp);
+
+  /* Now uncompress the data */
+  return inflate_stream(conn, writer, ZLIB_INFLATING);
+}
+
+static void deflate_close_writer(struct connectdata *conn,
+                                 contenc_writer *writer)
+{
+  zlib_params *zp = (zlib_params *) &writer->params;
+  z_stream *z = &zp->z;     /* zlib state structure */
+
+  exit_zlib(conn, z, &zp->zlib_init, CURLE_OK);
+}
+
+static const content_encoding deflate_encoding = {
+  "deflate",
+  NULL,
+  deflate_init_writer,
+  deflate_unencode_write,
+  deflate_close_writer,
+  sizeof(zlib_params)
+};
+
+
+/* Gzip handler. */
+static CURLcode gzip_init_writer(struct connectdata *conn,
+                                 contenc_writer *writer)
+{
+  zlib_params *zp = (zlib_params *) &writer->params;
+  z_stream *z = &zp->z;     /* zlib state structure */
+
+  if(!writer->downstream)
+    return CURLE_WRITE_ERROR;
+
+  /* Initialize zlib */
+  z->zalloc = (alloc_func) zalloc_cb;
+  z->zfree = (free_func) zfree_cb;
+
+  if(strcmp(zlibVersion(), "1.2.0.4") >= 0) {
+    /* zlib ver. >= 1.2.0.4 supports transparent gzip decompressing */
+    if(inflateInit2(z, MAX_WBITS + 32) != Z_OK) {
+      return process_zlib_error(conn, z);
+    }
+    zp->zlib_init = ZLIB_INIT_GZIP; /* Transparent gzip decompress state */
+  }
+  else {
+    /* we must parse the gzip header and trailer ourselves */
+    if(inflateInit2(z, -MAX_WBITS) != Z_OK) {
+      return process_zlib_error(conn, z);
+    }
+    zp->trailerlen = 8; /* A CRC-32 and a 32-bit input size (RFC 1952, 2.2) */
+    zp->zlib_init = ZLIB_INIT; /* Initial call state */
+  }
+
+  return CURLE_OK;
+}
+
+#ifdef OLD_ZLIB_SUPPORT
+/* Skip over the gzip header */
+static enum {
+  GZIP_OK,
+  GZIP_BAD,
+  GZIP_UNDERFLOW
+} check_gzip_header(unsigned char const *data, ssize_t len, ssize_t *headerlen)
+{
+  int method, flags;
+  const ssize_t totallen = len;
+
+  /* The shortest header is 10 bytes */
+  if(len < 10)
+    return GZIP_UNDERFLOW;
+
+  if((data[0] != GZIP_MAGIC_0) || (data[1] != GZIP_MAGIC_1))
+    return GZIP_BAD;
+
+  method = data[2];
+  flags = data[3];
+
+  if(method != Z_DEFLATED || (flags & RESERVED) != 0) {
+    /* Can't handle this compression method or unknown flag */
+    return GZIP_BAD;
+  }
+
+  /* Skip over time, xflags, OS code and all previous bytes */
+  len -= 10;
+  data += 10;
+
+  if(flags & EXTRA_FIELD) {
+    ssize_t extra_len;
+
+    if(len < 2)
+      return GZIP_UNDERFLOW;
+
+    extra_len = (data[1] << 8) | data[0];
+
+    if(len < (extra_len + 2))
+      return GZIP_UNDERFLOW;
+
+    len -= (extra_len + 2);
+    data += (extra_len + 2);
+  }
+
+  if(flags & ORIG_NAME) {
+    /* Skip over NUL-terminated file name */
+    while(len && *data) {
+      --len;
+      ++data;
+    }
+    if(!len || *data)
+      return GZIP_UNDERFLOW;
+
+    /* Skip over the NUL */
+    --len;
+    ++data;
+  }
+
+  if(flags & COMMENT) {
+    /* Skip over NUL-terminated comment */
+    while(len && *data) {
+      --len;
+      ++data;
+    }
+    if(!len || *data)
+      return GZIP_UNDERFLOW;
+
+    /* Skip over the NUL */
+    --len;
+  }
+
+  if(flags & HEAD_CRC) {
+    if(len < 2)
+      return GZIP_UNDERFLOW;
+
+    len -= 2;
+  }
+
+  *headerlen = totallen - len;
+  return GZIP_OK;
+}
+#endif
+
+static CURLcode gzip_unencode_write(struct connectdata *conn,
+                                    contenc_writer *writer,
+                                    const char *buf, size_t nbytes)
+{
+  zlib_params *zp = (zlib_params *) &writer->params;
+  z_stream *z = &zp->z;     /* zlib state structure */
+
+  if(zp->zlib_init == ZLIB_INIT_GZIP) {
+    /* Let zlib handle the gzip decompression entirely */
+    z->next_in = (Bytef *) buf;
+    z->avail_in = (uInt) nbytes;
+    /* Now uncompress the data */
+    return inflate_stream(conn, writer, ZLIB_INIT_GZIP);
+  }
+
+#ifndef OLD_ZLIB_SUPPORT
+  /* Support for old zlib versions is compiled away and we are running with
+     an old version, so return an error. */
+  return exit_zlib(conn, z, &zp->zlib_init, CURLE_WRITE_ERROR);
+
+#else
+  /* This next mess is to get around the potential case where there isn't
+   * enough data passed in to skip over the gzip header.  If that happens, we
+   * malloc a block and copy what we have then wait for the next call.  If
+   * there still isn't enough (this is definitely a worst-case scenario), we
+   * make the block bigger, copy the next part in and keep waiting.
+   *
+   * This is only required with zlib versions < 1.2.0.4 as newer versions
+   * can handle the gzip header themselves.
+   */
+
+  switch(zp->zlib_init) {
+  /* Skip over gzip header? */
+  case ZLIB_INIT:
+  {
+    /* Initial call state */
+    ssize_t hlen;
+
+    switch(check_gzip_header((unsigned char *) buf, nbytes, &hlen)) {
+    case GZIP_OK:
+      z->next_in = (Bytef *) buf + hlen;
+      z->avail_in = (uInt) (nbytes - hlen);
+      zp->zlib_init = ZLIB_GZIP_INFLATING; /* Inflating stream state */
+      break;
+
+    case GZIP_UNDERFLOW:
+      /* We need more data so we can find the end of the gzip header.  It's
+       * possible that the memory block we malloc here will never be freed if
+       * the transfer abruptly aborts after this point.  Since it's unlikely
+       * that circumstances will be right for this code path to be followed in
+       * the first place, and it's even more unlikely for a transfer to fail
+       * immediately afterwards, it should seldom be a problem.
+       */
+      z->avail_in = (uInt) nbytes;
+      z->next_in = malloc(z->avail_in);
+      if(z->next_in == NULL) {
+        return exit_zlib(conn, z, &zp->zlib_init, CURLE_OUT_OF_MEMORY);
+      }
+      memcpy(z->next_in, buf, z->avail_in);
+      zp->zlib_init = ZLIB_GZIP_HEADER;  /* Need more gzip header data state */
+      /* We don't have any data to inflate yet */
+      return CURLE_OK;
+
+    case GZIP_BAD:
+    default:
+      return exit_zlib(conn, z, &zp->zlib_init, process_zlib_error(conn, z));
+    }
+
+  }
+  break;
+
+  case ZLIB_GZIP_HEADER:
+  {
+    /* Need more gzip header data state */
+    ssize_t hlen;
+    z->avail_in += (uInt) nbytes;
+    z->next_in = Curl_saferealloc(z->next_in, z->avail_in);
+    if(z->next_in == NULL) {
+      return exit_zlib(conn, z, &zp->zlib_init, CURLE_OUT_OF_MEMORY);
+    }
+    /* Append the new block of data to the previous one */
+    memcpy(z->next_in + z->avail_in - nbytes, buf, nbytes);
+
+    switch(check_gzip_header(z->next_in, z->avail_in, &hlen)) {
+    case GZIP_OK:
+      /* This is the zlib stream data */
+      free(z->next_in);
+      /* Don't point into the malloced block since we just freed it */
+      z->next_in = (Bytef *) buf + hlen + nbytes - z->avail_in;
+      z->avail_in = (uInt) (z->avail_in - hlen);
+      zp->zlib_init = ZLIB_GZIP_INFLATING;   /* Inflating stream state */
+      break;
+
+    case GZIP_UNDERFLOW:
+      /* We still don't have any data to inflate! */
+      return CURLE_OK;
+
+    case GZIP_BAD:
+    default:
+      return exit_zlib(conn, z, &zp->zlib_init, process_zlib_error(conn, z));
+    }
+
+  }
+  break;
+
+  case ZLIB_EXTERNAL_TRAILER:
+    z->next_in = (Bytef *) buf;
+    z->avail_in = (uInt) nbytes;
+    return process_trailer(conn, zp);
+
+  case ZLIB_GZIP_INFLATING:
+  default:
+    /* Inflating stream state */
+    z->next_in = (Bytef *) buf;
+    z->avail_in = (uInt) nbytes;
+    break;
+  }
+
+  if(z->avail_in == 0) {
+    /* We don't have any data to inflate; wait until next time */
+    return CURLE_OK;
+  }
+
+  /* We've parsed the header, now uncompress the data */
+  return inflate_stream(conn, writer, ZLIB_GZIP_INFLATING);
+#endif
+}
+
+static void gzip_close_writer(struct connectdata *conn,
+                              contenc_writer *writer)
+{
+  zlib_params *zp = (zlib_params *) &writer->params;
+  z_stream *z = &zp->z;     /* zlib state structure */
+
+  exit_zlib(conn, z, &zp->zlib_init, CURLE_OK);
+}
+
+static const content_encoding gzip_encoding = {
+  "gzip",
+  "x-gzip",
+  gzip_init_writer,
+  gzip_unencode_write,
+  gzip_close_writer,
+  sizeof(zlib_params)
+};
+
+#endif /* HAVE_LIBZ */
+
+
+#ifdef HAVE_BROTLI
+
+/* Writer parameters. */
+typedef struct {
+  BrotliDecoderState *br;    /* State structure for brotli. */
+}  brotli_params;
+
+
+static CURLcode brotli_map_error(BrotliDecoderErrorCode be)
+{
+  switch(be) {
+  case BROTLI_DECODER_ERROR_FORMAT_EXUBERANT_NIBBLE:
+  case BROTLI_DECODER_ERROR_FORMAT_EXUBERANT_META_NIBBLE:
+  case BROTLI_DECODER_ERROR_FORMAT_SIMPLE_HUFFMAN_ALPHABET:
+  case BROTLI_DECODER_ERROR_FORMAT_SIMPLE_HUFFMAN_SAME:
+  case BROTLI_DECODER_ERROR_FORMAT_CL_SPACE:
+  case BROTLI_DECODER_ERROR_FORMAT_HUFFMAN_SPACE:
+  case BROTLI_DECODER_ERROR_FORMAT_CONTEXT_MAP_REPEAT:
+  case BROTLI_DECODER_ERROR_FORMAT_BLOCK_LENGTH_1:
+  case BROTLI_DECODER_ERROR_FORMAT_BLOCK_LENGTH_2:
+  case BROTLI_DECODER_ERROR_FORMAT_TRANSFORM:
+  case BROTLI_DECODER_ERROR_FORMAT_DICTIONARY:
+  case BROTLI_DECODER_ERROR_FORMAT_WINDOW_BITS:
+  case BROTLI_DECODER_ERROR_FORMAT_PADDING_1:
+  case BROTLI_DECODER_ERROR_FORMAT_PADDING_2:
+#ifdef BROTLI_DECODER_ERROR_COMPOUND_DICTIONARY
+  case BROTLI_DECODER_ERROR_COMPOUND_DICTIONARY:
+#endif
+#ifdef BROTLI_DECODER_ERROR_DICTIONARY_NOT_SET
+  case BROTLI_DECODER_ERROR_DICTIONARY_NOT_SET:
+#endif
+  case BROTLI_DECODER_ERROR_INVALID_ARGUMENTS:
+    return CURLE_BAD_CONTENT_ENCODING;
+  case BROTLI_DECODER_ERROR_ALLOC_CONTEXT_MODES:
+  case BROTLI_DECODER_ERROR_ALLOC_TREE_GROUPS:
+  case BROTLI_DECODER_ERROR_ALLOC_CONTEXT_MAP:
+  case BROTLI_DECODER_ERROR_ALLOC_RING_BUFFER_1:
+  case BROTLI_DECODER_ERROR_ALLOC_RING_BUFFER_2:
+  case BROTLI_DECODER_ERROR_ALLOC_BLOCK_TYPE_TREES:
+    return CURLE_OUT_OF_MEMORY;
+  default:
+    break;
+  }
+  return CURLE_WRITE_ERROR;
+}
+
+static CURLcode brotli_init_writer(struct connectdata *conn,
+                                   contenc_writer *writer)
+{
+  brotli_params *bp = (brotli_params *) &writer->params;
+
+  (void) conn;
+
+  if(!writer->downstream)
+    return CURLE_WRITE_ERROR;
+
+  bp->br = BrotliDecoderCreateInstance(NULL, NULL, NULL);
+  return bp->br? CURLE_OK: CURLE_OUT_OF_MEMORY;
+}
+
+static CURLcode brotli_unencode_write(struct connectdata *conn,
+                                      contenc_writer *writer,
+                                      const char *buf, size_t nbytes)
+{
+  brotli_params *bp = (brotli_params *) &writer->params;
+  const uint8_t *src = (const uint8_t *) buf;
+  char *decomp;
+  uint8_t *dst;
+  size_t dstleft;
+  CURLcode result = CURLE_OK;
+  BrotliDecoderResult r = BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT;
+
+  if(!bp->br)
+    return CURLE_WRITE_ERROR;  /* Stream already ended. */
+
+  decomp = malloc(DSIZ);
+  if(!decomp)
+    return CURLE_OUT_OF_MEMORY;
+
+  while((nbytes || r == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) &&
+        result == CURLE_OK) {
+    dst = (uint8_t *) decomp;
+    dstleft = DSIZ;
+    r = BrotliDecoderDecompressStream(bp->br,
+                                      &nbytes, &src, &dstleft, &dst, NULL);
+    result = Curl_unencode_write(conn, writer->downstream,
+                                 decomp, DSIZ - dstleft);
+    if(result)
+      break;
+    switch(r) {
+    case BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT:
+    case BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT:
+      break;
+    case BROTLI_DECODER_RESULT_SUCCESS:
+      BrotliDecoderDestroyInstance(bp->br);
+      bp->br = NULL;
+      if(nbytes)
+        result = CURLE_WRITE_ERROR;
+      break;
+    default:
+      result = brotli_map_error(BrotliDecoderGetErrorCode(bp->br));
+      break;
+    }
+  }
+  free(decomp);
+  return result;
+}
+
+static void brotli_close_writer(struct connectdata *conn,
+                                contenc_writer *writer)
+{
+  brotli_params *bp = (brotli_params *) &writer->params;
+
+  (void) conn;
+
+  if(bp->br) {
+    BrotliDecoderDestroyInstance(bp->br);
+    bp->br = NULL;
+  }
+}
+
+static const content_encoding brotli_encoding = {
+  "br",
+  NULL,
+  brotli_init_writer,
+  brotli_unencode_write,
+  brotli_close_writer,
+  sizeof(brotli_params)
+};
+#endif
+
+
+/* Identity handler. */
+static CURLcode identity_init_writer(struct connectdata *conn,
+                                     contenc_writer *writer)
+{
+  (void) conn;
+  return writer->downstream? CURLE_OK: CURLE_WRITE_ERROR;
+}
+
+static CURLcode identity_unencode_write(struct connectdata *conn,
+                                        contenc_writer *writer,
+                                        const char *buf, size_t nbytes)
+{
+  return Curl_unencode_write(conn, writer->downstream, buf, nbytes);
+}
+
+static void identity_close_writer(struct connectdata *conn,
+                                  contenc_writer *writer)
+{
+  (void) conn;
+  (void) writer;
+}
+
+static const content_encoding identity_encoding = {
+  "identity",
+  "none",
+  identity_init_writer,
+  identity_unencode_write,
+  identity_close_writer,
+  0
+};
+
+
+/* supported content encodings table. */
+static const content_encoding * const encodings[] = {
+  &identity_encoding,
+#ifdef HAVE_LIBZ
+  &deflate_encoding,
+  &gzip_encoding,
+#endif
+#ifdef HAVE_BROTLI
+  &brotli_encoding,
+#endif
+  NULL
+};
+
+
+/* Return a list of comma-separated names of supported encodings. */
+char *Curl_all_content_encodings(void)
+{
+  size_t len = 0;
+  const content_encoding * const *cep;
+  const content_encoding *ce;
+  char *ace;
+
+  for(cep = encodings; *cep; cep++) {
+    ce = *cep;
+    if(!strcasecompare(ce->name, CONTENT_ENCODING_DEFAULT))
+      len += strlen(ce->name) + 2;
+  }
+
+  if(!len)
+    return strdup(CONTENT_ENCODING_DEFAULT);
+
+  ace = malloc(len);
+  if(ace) {
+    char *p = ace;
+    for(cep = encodings; *cep; cep++) {
+      ce = *cep;
+      if(!strcasecompare(ce->name, CONTENT_ENCODING_DEFAULT)) {
+        strcpy(p, ce->name);
+        p += strlen(p);
+        *p++ = ',';
+        *p++ = ' ';
+      }
+    }
+    p[-2] = '\0';
+  }
+
+  return ace;
+}
+
+
+/* Real client writer: no downstream. */
+static CURLcode client_init_writer(struct connectdata *conn,
+                                   contenc_writer *writer)
+{
+  (void) conn;
+  return writer->downstream? CURLE_WRITE_ERROR: CURLE_OK;
+}
+
+static CURLcode client_unencode_write(struct connectdata *conn,
+                                      contenc_writer *writer,
+                                      const char *buf, size_t nbytes)
+{
+  struct Curl_easy *data = conn->data;
+  struct SingleRequest *k = &data->req;
+
+  (void) writer;
+
+  if(!nbytes || k->ignorebody)
+    return CURLE_OK;
+
+  return Curl_client_write(conn, CLIENTWRITE_BODY, (char *) buf, nbytes);
+}
+
+static void client_close_writer(struct connectdata *conn,
+                                contenc_writer *writer)
+{
+  (void) conn;
+  (void) writer;
+}
+
+static const content_encoding client_encoding = {
+  NULL,
+  NULL,
+  client_init_writer,
+  client_unencode_write,
+  client_close_writer,
+  0
+};
+
+
+/* Deferred error dummy writer. */
+static CURLcode error_init_writer(struct connectdata *conn,
+                                  contenc_writer *writer)
+{
+  (void) conn;
+  return writer->downstream? CURLE_OK: CURLE_WRITE_ERROR;
+}
+
+static CURLcode error_unencode_write(struct connectdata *conn,
+                                     contenc_writer *writer,
+                                     const char *buf, size_t nbytes)
+{
+  char *all = Curl_all_content_encodings();
+
+  (void) writer;
+  (void) buf;
+  (void) nbytes;
+
+  if(!all)
+    return CURLE_OUT_OF_MEMORY;
+  failf(conn->data, "Unrecognized content encoding type. "
+                    "libcurl understands %s content encodings.", all);
+  free(all);
+  return CURLE_BAD_CONTENT_ENCODING;
+}
+
+static void error_close_writer(struct connectdata *conn,
+                               contenc_writer *writer)
+{
+  (void) conn;
+  (void) writer;
+}
+
+static const content_encoding error_encoding = {
+  NULL,
+  NULL,
+  error_init_writer,
+  error_unencode_write,
+  error_close_writer,
+  0
+};
+
+/* Create an unencoding writer stage using the given handler. */
+static contenc_writer *new_unencoding_writer(struct connectdata *conn,
+                                             const content_encoding *handler,
+                                             contenc_writer *downstream)
+{
+  size_t sz = offsetof(contenc_writer, params) + handler->paramsize;
+  contenc_writer *writer = (contenc_writer *) calloc(1, sz);
+
+  if(writer) {
+    writer->handler = handler;
+    writer->downstream = downstream;
+    if(handler->init_writer(conn, writer)) {
+      free(writer);
+      writer = NULL;
+    }
+  }
+
+  return writer;
+}
+
+/* Write data using an unencoding writer stack. */
+CURLcode Curl_unencode_write(struct connectdata *conn, contenc_writer *writer,
+                             const char *buf, size_t nbytes)
+{
+  if(!nbytes)
+    return CURLE_OK;
+  return writer->handler->unencode_write(conn, writer, buf, nbytes);
+}
+
+/* Close and clean-up the connection's writer stack. */
+void Curl_unencode_cleanup(struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+  struct SingleRequest *k = &data->req;
+  contenc_writer *writer = k->writer_stack;
+
+  while(writer) {
+    k->writer_stack = writer->downstream;
+    writer->handler->close_writer(conn, writer);
+    free(writer);
+    writer = k->writer_stack;
+  }
+}
+
+/* Find the content encoding by name. */
+static const content_encoding *find_encoding(const char *name, size_t len)
+{
+  const content_encoding * const *cep;
+
+  for(cep = encodings; *cep; cep++) {
+    const content_encoding *ce = *cep;
+    if((strncasecompare(name, ce->name, len) && !ce->name[len]) ||
+       (ce->alias && strncasecompare(name, ce->alias, len) && !ce->alias[len]))
+      return ce;
+  }
+  return NULL;
+}
+
+/* Set-up the unencoding stack from the Content-Encoding header value.
+ * See RFC 7231 section 3.1.2.2. */
+CURLcode Curl_build_unencoding_stack(struct connectdata *conn,
+                                     const char *enclist, int maybechunked)
+{
+  struct Curl_easy *data = conn->data;
+  struct SingleRequest *k = &data->req;
+
+  do {
+    const char *name;
+    size_t namelen;
+
+    /* Parse a single encoding name. */
+    while(ISSPACE(*enclist) || *enclist == ',')
+      enclist++;
+
+    name = enclist;
+
+    for(namelen = 0; *enclist && *enclist != ','; enclist++)
+      if(!ISSPACE(*enclist))
+        namelen = enclist - name + 1;
+
+    /* Special case: chunked encoding is handled at the reader level. */
+    if(maybechunked && namelen == 7 && strncasecompare(name, "chunked", 7)) {
+      k->chunk = TRUE;             /* chunks coming our way. */
+      Curl_httpchunk_init(conn);   /* init our chunky engine. */
+    }
+    else if(namelen) {
+      const content_encoding *encoding = find_encoding(name, namelen);
+      contenc_writer *writer;
+
+      if(!k->writer_stack) {
+        k->writer_stack = new_unencoding_writer(conn, &client_encoding, NULL);
+
+        if(!k->writer_stack)
+          return CURLE_OUT_OF_MEMORY;
+      }
+
+      if(!encoding)
+        encoding = &error_encoding;  /* Defer error at stack use. */
+
+      /* Stack the unencoding stage. */
+      writer = new_unencoding_writer(conn, encoding, k->writer_stack);
+      if(!writer)
+        return CURLE_OUT_OF_MEMORY;
+      k->writer_stack = writer;
+    }
+  } while(*enclist);
+
+  return CURLE_OK;
+}
+
+#else
+/* Stubs for builds without HTTP. */
+CURLcode Curl_build_unencoding_stack(struct connectdata *conn,
+                                     const char *enclist, int maybechunked)
+{
+  (void) conn;
+  (void) enclist;
+  (void) maybechunked;
+  return CURLE_NOT_BUILT_IN;
+}
+
+CURLcode Curl_unencode_write(struct connectdata *conn, contenc_writer *writer,
+                             const char *buf, size_t nbytes)
+{
+  (void) conn;
+  (void) writer;
+  (void) buf;
+  (void) nbytes;
+  return CURLE_NOT_BUILT_IN;
+}
+
+void Curl_unencode_cleanup(struct connectdata *conn)
+{
+  (void) conn;
+}
+
+char *Curl_all_content_encodings(void)
+{
+  return strdup(CONTENT_ENCODING_DEFAULT);  /* Satisfy caller. */
+}
+
+#endif /* CURL_DISABLE_HTTP */
Index: trunk/src/libs/curl-7.64.0/lib/content_encoding.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/content_encoding.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/content_encoding.h	(revision 85671)
@@ -0,0 +1,55 @@
+#ifndef HEADER_CURL_CONTENT_ENCODING_H
+#define HEADER_CURL_CONTENT_ENCODING_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+/* Decoding writer. */
+typedef struct contenc_writer_s contenc_writer;
+typedef struct content_encoding_s content_encoding;
+
+struct contenc_writer_s {
+  const content_encoding *handler;  /* Encoding handler. */
+  contenc_writer *downstream;  /* Downstream writer. */
+  void *params;  /* Encoding-specific storage (variable length). */
+};
+
+/* Content encoding writer. */
+struct content_encoding_s {
+  const char *name;        /* Encoding name. */
+  const char *alias;       /* Encoding name alias. */
+  CURLcode (*init_writer)(struct connectdata *conn, contenc_writer *writer);
+  CURLcode (*unencode_write)(struct connectdata *conn, contenc_writer *writer,
+                             const char *buf, size_t nbytes);
+  void (*close_writer)(struct connectdata *conn, contenc_writer *writer);
+  size_t paramsize;
+};
+
+
+CURLcode Curl_build_unencoding_stack(struct connectdata *conn,
+                                     const char *enclist, int maybechunked);
+CURLcode Curl_unencode_write(struct connectdata *conn, contenc_writer *writer,
+                             const char *buf, size_t nbytes);
+void Curl_unencode_cleanup(struct connectdata *conn);
+char *Curl_all_content_encodings(void);
+
+#endif /* HEADER_CURL_CONTENT_ENCODING_H */
Index: trunk/src/libs/curl-7.64.0/lib/cookie.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/cookie.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/cookie.c	(revision 85671)
@@ -0,0 +1,1642 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/***
+
+
+RECEIVING COOKIE INFORMATION
+============================
+
+struct CookieInfo *Curl_cookie_init(struct Curl_easy *data,
+                    const char *file, struct CookieInfo *inc, bool newsession);
+
+        Inits a cookie struct to store data in a local file. This is always
+        called before any cookies are set.
+
+struct Cookie *Curl_cookie_add(struct Curl_easy *data,
+                 struct CookieInfo *c, bool httpheader, char *lineptr,
+                 const char *domain, const char *path);
+
+        The 'lineptr' parameter is a full "Set-cookie:" line as
+        received from a server.
+
+        The function need to replace previously stored lines that this new
+        line supersedes.
+
+        It may remove lines that are expired.
+
+        It should return an indication of success/error.
+
+
+SENDING COOKIE INFORMATION
+==========================
+
+struct Cookies *Curl_cookie_getlist(struct CookieInfo *cookie,
+                                    char *host, char *path, bool secure);
+
+        For a given host and path, return a linked list of cookies that
+        the client should send to the server if used now. The secure
+        boolean informs the cookie if a secure connection is achieved or
+        not.
+
+        It shall only return cookies that haven't expired.
+
+
+Example set of cookies:
+
+    Set-cookie: PRODUCTINFO=webxpress; domain=.fidelity.com; path=/; secure
+    Set-cookie: PERSONALIZE=none;expires=Monday, 13-Jun-1988 03:04:55 GMT;
+    domain=.fidelity.com; path=/ftgw; secure
+    Set-cookie: FidHist=none;expires=Monday, 13-Jun-1988 03:04:55 GMT;
+    domain=.fidelity.com; path=/; secure
+    Set-cookie: FidOrder=none;expires=Monday, 13-Jun-1988 03:04:55 GMT;
+    domain=.fidelity.com; path=/; secure
+    Set-cookie: DisPend=none;expires=Monday, 13-Jun-1988 03:04:55 GMT;
+    domain=.fidelity.com; path=/; secure
+    Set-cookie: FidDis=none;expires=Monday, 13-Jun-1988 03:04:55 GMT;
+    domain=.fidelity.com; path=/; secure
+    Set-cookie:
+    Session_Key@6791a9e0-901a-11d0-a1c8-9b012c88aa77=none;expires=Monday,
+    13-Jun-1988 03:04:55 GMT; domain=.fidelity.com; path=/; secure
+****/
+
+
+#include "curl_setup.h"
+
+#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
+
+#include "urldata.h"
+#include "cookie.h"
+#include "psl.h"
+#include "strtok.h"
+#include "sendf.h"
+#include "slist.h"
+#include "share.h"
+#include "strtoofft.h"
+#include "strcase.h"
+#include "curl_memrchr.h"
+#include "inet_pton.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+static void freecookie(struct Cookie *co)
+{
+  free(co->expirestr);
+  free(co->domain);
+  free(co->path);
+  free(co->spath);
+  free(co->name);
+  free(co->value);
+  free(co->maxage);
+  free(co->version);
+  free(co);
+}
+
+static bool tailmatch(const char *cooke_domain, const char *hostname)
+{
+  size_t cookie_domain_len = strlen(cooke_domain);
+  size_t hostname_len = strlen(hostname);
+
+  if(hostname_len < cookie_domain_len)
+    return FALSE;
+
+  if(!strcasecompare(cooke_domain, hostname + hostname_len-cookie_domain_len))
+    return FALSE;
+
+  /* A lead char of cookie_domain is not '.'.
+     RFC6265 4.1.2.3. The Domain Attribute says:
+       For example, if the value of the Domain attribute is
+       "example.com", the user agent will include the cookie in the Cookie
+       header when making HTTP requests to example.com, www.example.com, and
+       www.corp.example.com.
+   */
+  if(hostname_len == cookie_domain_len)
+    return TRUE;
+  if('.' == *(hostname + hostname_len - cookie_domain_len - 1))
+    return TRUE;
+  return FALSE;
+}
+
+/*
+ * Return true if the given string is an IP(v4|v6) address.
+ */
+static bool isip(const char *domain)
+{
+  struct in_addr addr;
+#ifdef ENABLE_IPV6
+  struct in6_addr addr6;
+#endif
+
+  if(Curl_inet_pton(AF_INET, domain, &addr)
+#ifdef ENABLE_IPV6
+     || Curl_inet_pton(AF_INET6, domain, &addr6)
+#endif
+    ) {
+    /* domain name given as IP address */
+    return TRUE;
+  }
+
+  return FALSE;
+}
+
+/*
+ * matching cookie path and url path
+ * RFC6265 5.1.4 Paths and Path-Match
+ */
+static bool pathmatch(const char *cookie_path, const char *request_uri)
+{
+  size_t cookie_path_len;
+  size_t uri_path_len;
+  char *uri_path = NULL;
+  char *pos;
+  bool ret = FALSE;
+
+  /* cookie_path must not have last '/' separator. ex: /sample */
+  cookie_path_len = strlen(cookie_path);
+  if(1 == cookie_path_len) {
+    /* cookie_path must be '/' */
+    return TRUE;
+  }
+
+  uri_path = strdup(request_uri);
+  if(!uri_path)
+    return FALSE;
+  pos = strchr(uri_path, '?');
+  if(pos)
+    *pos = 0x0;
+
+  /* #-fragments are already cut off! */
+  if(0 == strlen(uri_path) || uri_path[0] != '/') {
+    free(uri_path);
+    uri_path = strdup("/");
+    if(!uri_path)
+      return FALSE;
+  }
+
+  /* here, RFC6265 5.1.4 says
+     4. Output the characters of the uri-path from the first character up
+        to, but not including, the right-most %x2F ("/").
+     but URL path /hoge?fuga=xxx means /hoge/index.cgi?fuga=xxx in some site
+     without redirect.
+     Ignore this algorithm because /hoge is uri path for this case
+     (uri path is not /).
+   */
+
+  uri_path_len = strlen(uri_path);
+
+  if(uri_path_len < cookie_path_len) {
+    ret = FALSE;
+    goto pathmatched;
+  }
+
+  /* not using checkprefix() because matching should be case-sensitive */
+  if(strncmp(cookie_path, uri_path, cookie_path_len)) {
+    ret = FALSE;
+    goto pathmatched;
+  }
+
+  /* The cookie-path and the uri-path are identical. */
+  if(cookie_path_len == uri_path_len) {
+    ret = TRUE;
+    goto pathmatched;
+  }
+
+  /* here, cookie_path_len < uri_path_len */
+  if(uri_path[cookie_path_len] == '/') {
+    ret = TRUE;
+    goto pathmatched;
+  }
+
+  ret = FALSE;
+
+pathmatched:
+  free(uri_path);
+  return ret;
+}
+
+/*
+ * Return the top-level domain, for optimal hashing.
+ */
+static const char *get_top_domain(const char * const domain, size_t *outlen)
+{
+  size_t len;
+  const char *first = NULL, *last;
+
+  if(!domain)
+    return NULL;
+
+  len = strlen(domain);
+  last = memrchr(domain, '.', len);
+  if(last) {
+    first = memrchr(domain, '.', (last - domain));
+    if(first)
+      len -= (++first - domain);
+  }
+
+  if(outlen)
+    *outlen = len;
+
+  return first? first: domain;
+}
+
+/*
+ * A case-insensitive hash for the cookie domains.
+ */
+static size_t cookie_hash_domain(const char *domain, const size_t len)
+{
+  const char *end = domain + len;
+  size_t h = 5381;
+
+  while(domain < end) {
+    h += h << 5;
+    h ^= Curl_raw_toupper(*domain++);
+  }
+
+  return (h % COOKIE_HASH_SIZE);
+}
+
+/*
+ * Hash this domain.
+ */
+static size_t cookiehash(const char * const domain)
+{
+  const char *top;
+  size_t len;
+
+  if(!domain || isip(domain))
+    return 0;
+
+  top = get_top_domain(domain, &len);
+  return cookie_hash_domain(top, len);
+}
+
+/*
+ * cookie path sanitize
+ */
+static char *sanitize_cookie_path(const char *cookie_path)
+{
+  size_t len;
+  char *new_path = strdup(cookie_path);
+  if(!new_path)
+    return NULL;
+
+  /* some stupid site sends path attribute with '"'. */
+  len = strlen(new_path);
+  if(new_path[0] == '\"') {
+    memmove((void *)new_path, (const void *)(new_path + 1), len);
+    len--;
+  }
+  if(len && (new_path[len - 1] == '\"')) {
+    new_path[len - 1] = 0x0;
+    len--;
+  }
+
+  /* RFC6265 5.2.4 The Path Attribute */
+  if(new_path[0] != '/') {
+    /* Let cookie-path be the default-path. */
+    free(new_path);
+    new_path = strdup("/");
+    return new_path;
+  }
+
+  /* convert /hoge/ to /hoge */
+  if(len && new_path[len - 1] == '/') {
+    new_path[len - 1] = 0x0;
+  }
+
+  return new_path;
+}
+
+/*
+ * Load cookies from all given cookie files (CURLOPT_COOKIEFILE).
+ *
+ * NOTE: OOM or cookie parsing failures are ignored.
+ */
+void Curl_cookie_loadfiles(struct Curl_easy *data)
+{
+  struct curl_slist *list = data->change.cookielist;
+  if(list) {
+    Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
+    while(list) {
+      struct CookieInfo *newcookies = Curl_cookie_init(data,
+                                        list->data,
+                                        data->cookies,
+                                        data->set.cookiesession);
+      if(!newcookies)
+        /* Failure may be due to OOM or a bad cookie; both are ignored
+         * but only the first should be
+         */
+        infof(data, "ignoring failed cookie_init for %s\n", list->data);
+      else
+        data->cookies = newcookies;
+      list = list->next;
+    }
+    curl_slist_free_all(data->change.cookielist); /* clean up list */
+    data->change.cookielist = NULL; /* don't do this again! */
+    Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
+  }
+}
+
+/*
+ * strstore() makes a strdup() on the 'newstr' and if '*str' is non-NULL
+ * that will be freed before the allocated string is stored there.
+ *
+ * It is meant to easily replace strdup()
+ */
+static void strstore(char **str, const char *newstr)
+{
+  free(*str);
+  *str = strdup(newstr);
+}
+
+/*
+ * remove_expired() removes expired cookies.
+ */
+static void remove_expired(struct CookieInfo *cookies)
+{
+  struct Cookie *co, *nx;
+  curl_off_t now = (curl_off_t)time(NULL);
+  unsigned int i;
+
+  for(i = 0; i < COOKIE_HASH_SIZE; i++) {
+    struct Cookie *pv = NULL;
+    co = cookies->cookies[i];
+    while(co) {
+      nx = co->next;
+      if(co->expires && co->expires < now) {
+        if(!pv) {
+          cookies->cookies[i] = co->next;
+        }
+        else {
+          pv->next = co->next;
+        }
+        cookies->numcookies--;
+        freecookie(co);
+      }
+      else {
+        pv = co;
+      }
+      co = nx;
+    }
+  }
+}
+
+/* Make sure domain contains a dot or is localhost. */
+static bool bad_domain(const char *domain)
+{
+  return !strchr(domain, '.') && !strcasecompare(domain, "localhost");
+}
+
+/****************************************************************************
+ *
+ * Curl_cookie_add()
+ *
+ * Add a single cookie line to the cookie keeping object.
+ *
+ * Be aware that sometimes we get an IP-only host name, and that might also be
+ * a numerical IPv6 address.
+ *
+ * Returns NULL on out of memory or invalid cookie. This is suboptimal,
+ * as they should be treated separately.
+ ***************************************************************************/
+
+struct Cookie *
+Curl_cookie_add(struct Curl_easy *data,
+                /* The 'data' pointer here may be NULL at times, and thus
+                   must only be used very carefully for things that can deal
+                   with data being NULL. Such as infof() and similar */
+
+                struct CookieInfo *c,
+                bool httpheader, /* TRUE if HTTP header-style line */
+                bool noexpire, /* if TRUE, skip remove_expired() */
+                char *lineptr,   /* first character of the line */
+                const char *domain, /* default domain */
+                const char *path,   /* full path used when this cookie is set,
+                                       used to get default path for the cookie
+                                       unless set */
+                bool secure)  /* TRUE if connection is over secure origin */
+{
+  struct Cookie *clist;
+  struct Cookie *co;
+  struct Cookie *lastc = NULL;
+  time_t now = time(NULL);
+  bool replace_old = FALSE;
+  bool badcookie = FALSE; /* cookies are good by default. mmmmm yummy */
+  size_t myhash;
+
+#ifdef CURL_DISABLE_VERBOSE_STRINGS
+  (void)data;
+#endif
+
+  /* First, alloc and init a new struct for it */
+  co = calloc(1, sizeof(struct Cookie));
+  if(!co)
+    return NULL; /* bail out if we're this low on memory */
+
+  if(httpheader) {
+    /* This line was read off a HTTP-header */
+    char name[MAX_NAME];
+    char what[MAX_NAME];
+    const char *ptr;
+    const char *semiptr;
+
+    size_t linelength = strlen(lineptr);
+    if(linelength > MAX_COOKIE_LINE) {
+      /* discard overly long lines at once */
+      free(co);
+      return NULL;
+    }
+
+    semiptr = strchr(lineptr, ';'); /* first, find a semicolon */
+
+    while(*lineptr && ISBLANK(*lineptr))
+      lineptr++;
+
+    ptr = lineptr;
+    do {
+      /* we have a <what>=<this> pair or a stand-alone word here */
+      name[0] = what[0] = 0; /* init the buffers */
+      if(1 <= sscanf(ptr, "%" MAX_NAME_TXT "[^;\r\n=] =%"
+                     MAX_NAME_TXT "[^;\r\n]",
+                     name, what)) {
+        /* Use strstore() below to properly deal with received cookie
+           headers that have the same string property set more than once,
+           and then we use the last one. */
+        const char *whatptr;
+        bool done = FALSE;
+        bool sep;
+        size_t len = strlen(what);
+        size_t nlen = strlen(name);
+        const char *endofn = &ptr[ nlen ];
+
+        if(nlen >= (MAX_NAME-1) || len >= (MAX_NAME-1) ||
+           ((nlen + len) > MAX_NAME)) {
+          /* too long individual name or contents, or too long combination of
+             name + contents. Chrome and Firefox support 4095 or 4096 bytes
+             combo. */
+          freecookie(co);
+          infof(data, "oversized cookie dropped, name/val %zu + %zu bytes\n",
+                nlen, len);
+          return NULL;
+        }
+
+        /* name ends with a '=' ? */
+        sep = (*endofn == '=')?TRUE:FALSE;
+
+        if(nlen) {
+          endofn--; /* move to the last character */
+          if(ISBLANK(*endofn)) {
+            /* skip trailing spaces in name */
+            while(*endofn && ISBLANK(*endofn) && nlen) {
+              endofn--;
+              nlen--;
+            }
+            name[nlen] = 0; /* new end of name */
+          }
+        }
+
+        /* Strip off trailing whitespace from the 'what' */
+        while(len && ISBLANK(what[len-1])) {
+          what[len-1] = 0;
+          len--;
+        }
+
+        /* Skip leading whitespace from the 'what' */
+        whatptr = what;
+        while(*whatptr && ISBLANK(*whatptr))
+          whatptr++;
+
+        if(!co->name) {
+          /* The very first name/value pair is the actual cookie name */
+          if(!sep) {
+            /* Bad name/value pair. */
+            badcookie = TRUE;
+            break;
+          }
+          co->name = strdup(name);
+          co->value = strdup(whatptr);
+          done = TRUE;
+          if(!co->name || !co->value) {
+            badcookie = TRUE;
+            break;
+          }
+        }
+        else if(!len) {
+          /* this was a "<name>=" with no content, and we must allow
+             'secure' and 'httponly' specified this weirdly */
+          done = TRUE;
+          /*
+           * secure cookies are only allowed to be set when the connection is
+           * using a secure protocol, or when the cookie is being set by
+           * reading from file
+           */
+          if(strcasecompare("secure", name)) {
+            if(secure || !c->running) {
+              co->secure = TRUE;
+            }
+            else {
+              badcookie = TRUE;
+              break;
+            }
+          }
+          else if(strcasecompare("httponly", name))
+            co->httponly = TRUE;
+          else if(sep)
+            /* there was a '=' so we're not done parsing this field */
+            done = FALSE;
+        }
+        if(done)
+          ;
+        else if(strcasecompare("path", name)) {
+          strstore(&co->path, whatptr);
+          if(!co->path) {
+            badcookie = TRUE; /* out of memory bad */
+            break;
+          }
+          free(co->spath); /* if this is set again */
+          co->spath = sanitize_cookie_path(co->path);
+          if(!co->spath) {
+            badcookie = TRUE; /* out of memory bad */
+            break;
+          }
+        }
+        else if(strcasecompare("domain", name)) {
+          bool is_ip;
+
+          /* Now, we make sure that our host is within the given domain,
+             or the given domain is not valid and thus cannot be set. */
+
+          if('.' == whatptr[0])
+            whatptr++; /* ignore preceding dot */
+
+#ifndef USE_LIBPSL
+          /*
+           * Without PSL we don't know when the incoming cookie is set on a
+           * TLD or otherwise "protected" suffix. To reduce risk, we require a
+           * dot OR the exact host name being "localhost".
+           */
+          if(bad_domain(whatptr))
+            domain = ":";
+#endif
+
+          is_ip = isip(domain ? domain : whatptr);
+
+          if(!domain
+             || (is_ip && !strcmp(whatptr, domain))
+             || (!is_ip && tailmatch(whatptr, domain))) {
+            strstore(&co->domain, whatptr);
+            if(!co->domain) {
+              badcookie = TRUE;
+              break;
+            }
+            if(!is_ip)
+              co->tailmatch = TRUE; /* we always do that if the domain name was
+                                       given */
+          }
+          else {
+            /* we did not get a tailmatch and then the attempted set domain
+               is not a domain to which the current host belongs. Mark as
+               bad. */
+            badcookie = TRUE;
+            infof(data, "skipped cookie with bad tailmatch domain: %s\n",
+                  whatptr);
+          }
+        }
+        else if(strcasecompare("version", name)) {
+          strstore(&co->version, whatptr);
+          if(!co->version) {
+            badcookie = TRUE;
+            break;
+          }
+        }
+        else if(strcasecompare("max-age", name)) {
+          /* Defined in RFC2109:
+
+             Optional.  The Max-Age attribute defines the lifetime of the
+             cookie, in seconds.  The delta-seconds value is a decimal non-
+             negative integer.  After delta-seconds seconds elapse, the
+             client should discard the cookie.  A value of zero means the
+             cookie should be discarded immediately.
+
+          */
+          strstore(&co->maxage, whatptr);
+          if(!co->maxage) {
+            badcookie = TRUE;
+            break;
+          }
+        }
+        else if(strcasecompare("expires", name)) {
+          strstore(&co->expirestr, whatptr);
+          if(!co->expirestr) {
+            badcookie = TRUE;
+            break;
+          }
+        }
+        /*
+          else this is the second (or more) name we don't know
+          about! */
+      }
+      else {
+        /* this is an "illegal" <what>=<this> pair */
+      }
+
+      if(!semiptr || !*semiptr) {
+        /* we already know there are no more cookies */
+        semiptr = NULL;
+        continue;
+      }
+
+      ptr = semiptr + 1;
+      while(*ptr && ISBLANK(*ptr))
+        ptr++;
+      semiptr = strchr(ptr, ';'); /* now, find the next semicolon */
+
+      if(!semiptr && *ptr)
+        /* There are no more semicolons, but there's a final name=value pair
+           coming up */
+        semiptr = strchr(ptr, '\0');
+    } while(semiptr);
+
+    if(co->maxage) {
+      CURLofft offt;
+      offt = curlx_strtoofft((*co->maxage == '\"')?
+                             &co->maxage[1]:&co->maxage[0], NULL, 10,
+                             &co->expires);
+      if(offt == CURL_OFFT_FLOW)
+        /* overflow, used max value */
+        co->expires = CURL_OFF_T_MAX;
+      else if(!offt) {
+        if(!co->expires)
+          /* already expired */
+          co->expires = 1;
+        else if(CURL_OFF_T_MAX - now < co->expires)
+          /* would overflow */
+          co->expires = CURL_OFF_T_MAX;
+        else
+          co->expires += now;
+      }
+    }
+    else if(co->expirestr) {
+      /* Note that if the date couldn't get parsed for whatever reason,
+         the cookie will be treated as a session cookie */
+      co->expires = curl_getdate(co->expirestr, NULL);
+
+      /* Session cookies have expires set to 0 so if we get that back
+         from the date parser let's add a second to make it a
+         non-session cookie */
+      if(co->expires == 0)
+        co->expires = 1;
+      else if(co->expires < 0)
+        co->expires = 0;
+    }
+
+    if(!badcookie && !co->domain) {
+      if(domain) {
+        /* no domain was given in the header line, set the default */
+        co->domain = strdup(domain);
+        if(!co->domain)
+          badcookie = TRUE;
+      }
+    }
+
+    if(!badcookie && !co->path && path) {
+      /* No path was given in the header line, set the default.
+         Note that the passed-in path to this function MAY have a '?' and
+         following part that MUST not be stored as part of the path. */
+      char *queryp = strchr(path, '?');
+
+      /* queryp is where the interesting part of the path ends, so now we
+         want to the find the last */
+      char *endslash;
+      if(!queryp)
+        endslash = strrchr(path, '/');
+      else
+        endslash = memrchr(path, '/', (queryp - path));
+      if(endslash) {
+        size_t pathlen = (endslash-path + 1); /* include end slash */
+        co->path = malloc(pathlen + 1); /* one extra for the zero byte */
+        if(co->path) {
+          memcpy(co->path, path, pathlen);
+          co->path[pathlen] = 0; /* zero terminate */
+          co->spath = sanitize_cookie_path(co->path);
+          if(!co->spath)
+            badcookie = TRUE; /* out of memory bad */
+        }
+        else
+          badcookie = TRUE;
+      }
+    }
+
+    if(badcookie || !co->name) {
+      /* we didn't get a cookie name or a bad one,
+         this is an illegal line, bail out */
+      freecookie(co);
+      return NULL;
+    }
+
+  }
+  else {
+    /* This line is NOT a HTTP header style line, we do offer support for
+       reading the odd netscape cookies-file format here */
+    char *ptr;
+    char *firstptr;
+    char *tok_buf = NULL;
+    int fields;
+
+    /* IE introduced HTTP-only cookies to prevent XSS attacks. Cookies
+       marked with httpOnly after the domain name are not accessible
+       from javascripts, but since curl does not operate at javascript
+       level, we include them anyway. In Firefox's cookie files, these
+       lines are preceded with #HttpOnly_ and then everything is
+       as usual, so we skip 10 characters of the line..
+    */
+    if(strncmp(lineptr, "#HttpOnly_", 10) == 0) {
+      lineptr += 10;
+      co->httponly = TRUE;
+    }
+
+    if(lineptr[0]=='#') {
+      /* don't even try the comments */
+      free(co);
+      return NULL;
+    }
+    /* strip off the possible end-of-line characters */
+    ptr = strchr(lineptr, '\r');
+    if(ptr)
+      *ptr = 0; /* clear it */
+    ptr = strchr(lineptr, '\n');
+    if(ptr)
+      *ptr = 0; /* clear it */
+
+    firstptr = strtok_r(lineptr, "\t", &tok_buf); /* tokenize it on the TAB */
+
+    /* Now loop through the fields and init the struct we already have
+       allocated */
+    for(ptr = firstptr, fields = 0; ptr && !badcookie;
+        ptr = strtok_r(NULL, "\t", &tok_buf), fields++) {
+      switch(fields) {
+      case 0:
+        if(ptr[0]=='.') /* skip preceding dots */
+          ptr++;
+        co->domain = strdup(ptr);
+        if(!co->domain)
+          badcookie = TRUE;
+        else if(bad_domain(co->domain))
+          badcookie = TRUE;
+        break;
+      case 1:
+        /* This field got its explanation on the 23rd of May 2001 by
+           Andrés García:
+
+           flag: A TRUE/FALSE value indicating if all machines within a given
+           domain can access the variable. This value is set automatically by
+           the browser, depending on the value you set for the domain.
+
+           As far as I can see, it is set to true when the cookie says
+           .domain.com and to false when the domain is complete www.domain.com
+        */
+        co->tailmatch = strcasecompare(ptr, "TRUE")?TRUE:FALSE;
+        break;
+      case 2:
+        /* It turns out, that sometimes the file format allows the path
+           field to remain not filled in, we try to detect this and work
+           around it! Andrés García made us aware of this... */
+        if(strcmp("TRUE", ptr) && strcmp("FALSE", ptr)) {
+          /* only if the path doesn't look like a boolean option! */
+          co->path = strdup(ptr);
+          if(!co->path)
+            badcookie = TRUE;
+          else {
+            co->spath = sanitize_cookie_path(co->path);
+            if(!co->spath) {
+              badcookie = TRUE; /* out of memory bad */
+            }
+          }
+          break;
+        }
+        /* this doesn't look like a path, make one up! */
+        co->path = strdup("/");
+        if(!co->path)
+          badcookie = TRUE;
+        co->spath = strdup("/");
+        if(!co->spath)
+          badcookie = TRUE;
+        fields++; /* add a field and fall down to secure */
+        /* FALLTHROUGH */
+      case 3:
+        co->secure = FALSE;
+        if(strcasecompare(ptr, "TRUE")) {
+          if(secure || c->running)
+            co->secure = TRUE;
+          else
+            badcookie = TRUE;
+        }
+        break;
+      case 4:
+        if(curlx_strtoofft(ptr, NULL, 10, &co->expires))
+          badcookie = TRUE;
+        break;
+      case 5:
+        co->name = strdup(ptr);
+        if(!co->name)
+          badcookie = TRUE;
+        break;
+      case 6:
+        co->value = strdup(ptr);
+        if(!co->value)
+          badcookie = TRUE;
+        break;
+      }
+    }
+    if(6 == fields) {
+      /* we got a cookie with blank contents, fix it */
+      co->value = strdup("");
+      if(!co->value)
+        badcookie = TRUE;
+      else
+        fields++;
+    }
+
+    if(!badcookie && (7 != fields))
+      /* we did not find the sufficient number of fields */
+      badcookie = TRUE;
+
+    if(badcookie) {
+      freecookie(co);
+      return NULL;
+    }
+
+  }
+
+  if(!c->running &&    /* read from a file */
+     c->newsession &&  /* clean session cookies */
+     !co->expires) {   /* this is a session cookie since it doesn't expire! */
+    freecookie(co);
+    return NULL;
+  }
+
+  co->livecookie = c->running;
+  co->creationtime = ++c->lastct;
+
+  /* now, we have parsed the incoming line, we must now check if this
+     supersedes an already existing cookie, which it may if the previous have
+     the same domain and path as this */
+
+  /* at first, remove expired cookies */
+  if(!noexpire)
+    remove_expired(c);
+
+  if(domain && co->domain && !isip(co->domain)) {
+    int acceptable;
+#ifdef USE_LIBPSL
+    const psl_ctx_t *psl = Curl_psl_use(data);
+
+    /* Check if the domain is a Public Suffix and if yes, ignore the cookie. */
+    if(psl) {
+      acceptable = psl_is_cookie_domain_acceptable(psl, domain, co->domain);
+      Curl_psl_release(data);
+    }
+    else
+#endif
+    /* Without libpsl, do the best we can. */
+    acceptable = !bad_domain(co->domain);
+
+    if(!acceptable) {
+      infof(data, "cookie '%s' dropped, domain '%s' must not "
+                  "set cookies for '%s'\n", co->name, domain, co->domain);
+      freecookie(co);
+      return NULL;
+    }
+  }
+
+  myhash = cookiehash(co->domain);
+  clist = c->cookies[myhash];
+  replace_old = FALSE;
+  while(clist) {
+    if(strcasecompare(clist->name, co->name)) {
+      /* the names are identical */
+
+      if(clist->domain && co->domain) {
+        if(strcasecompare(clist->domain, co->domain) &&
+          (clist->tailmatch == co->tailmatch))
+          /* The domains are identical */
+          replace_old = TRUE;
+      }
+      else if(!clist->domain && !co->domain)
+        replace_old = TRUE;
+
+      if(replace_old) {
+        /* the domains were identical */
+
+        if(clist->spath && co->spath) {
+          if(clist->secure && !co->secure && !secure) {
+            size_t cllen;
+            const char *sep;
+
+            /*
+             * A non-secure cookie may not overlay an existing secure cookie.
+             * For an existing cookie "a" with path "/login", refuse a new
+             * cookie "a" with for example path "/login/en", while the path
+             * "/loginhelper" is ok.
+             */
+
+            sep = strchr(clist->spath + 1, '/');
+
+            if(sep)
+              cllen = sep - clist->spath;
+            else
+              cllen = strlen(clist->spath);
+
+            if(strncasecompare(clist->spath, co->spath, cllen)) {
+              freecookie(co);
+              return NULL;
+            }
+          }
+          else if(strcasecompare(clist->spath, co->spath))
+            replace_old = TRUE;
+          else
+            replace_old = FALSE;
+        }
+        else if(!clist->spath && !co->spath)
+          replace_old = TRUE;
+        else
+          replace_old = FALSE;
+
+      }
+
+      if(replace_old && !co->livecookie && clist->livecookie) {
+        /* Both cookies matched fine, except that the already present
+           cookie is "live", which means it was set from a header, while
+           the new one isn't "live" and thus only read from a file. We let
+           live cookies stay alive */
+
+        /* Free the newcomer and get out of here! */
+        freecookie(co);
+        return NULL;
+      }
+
+      if(replace_old) {
+        co->next = clist->next; /* get the next-pointer first */
+
+        /* when replacing, creationtime is kept from old */
+        co->creationtime = clist->creationtime;
+
+        /* then free all the old pointers */
+        free(clist->name);
+        free(clist->value);
+        free(clist->domain);
+        free(clist->path);
+        free(clist->spath);
+        free(clist->expirestr);
+        free(clist->version);
+        free(clist->maxage);
+
+        *clist = *co;  /* then store all the new data */
+
+        free(co);   /* free the newly alloced memory */
+        co = clist; /* point to the previous struct instead */
+
+        /* We have replaced a cookie, now skip the rest of the list but
+           make sure the 'lastc' pointer is properly set */
+        do {
+          lastc = clist;
+          clist = clist->next;
+        } while(clist);
+        break;
+      }
+    }
+    lastc = clist;
+    clist = clist->next;
+  }
+
+  if(c->running)
+    /* Only show this when NOT reading the cookies from a file */
+    infof(data, "%s cookie %s=\"%s\" for domain %s, path %s, "
+          "expire %" CURL_FORMAT_CURL_OFF_T "\n",
+          replace_old?"Replaced":"Added", co->name, co->value,
+          co->domain, co->path, co->expires);
+
+  if(!replace_old) {
+    /* then make the last item point on this new one */
+    if(lastc)
+      lastc->next = co;
+    else
+      c->cookies[myhash] = co;
+    c->numcookies++; /* one more cookie in the jar */
+  }
+
+  return co;
+}
+
+/*
+ * get_line() makes sure to only return complete whole lines that fit in 'len'
+ * bytes and end with a newline.
+ */
+static char *get_line(char *buf, int len, FILE *input)
+{
+  bool partial = FALSE;
+  while(1) {
+    char *b = fgets(buf, len, input);
+    if(b) {
+      size_t rlen = strlen(b);
+      if(rlen && (b[rlen-1] == '\n')) {
+        if(partial) {
+          partial = FALSE;
+          continue;
+        }
+        return b;
+      }
+      /* read a partial, discard the next piece that ends with newline */
+      partial = TRUE;
+    }
+    else
+      break;
+  }
+  return NULL;
+}
+
+
+/*****************************************************************************
+ *
+ * Curl_cookie_init()
+ *
+ * Inits a cookie struct to read data from a local file. This is always
+ * called before any cookies are set. File may be NULL.
+ *
+ * If 'newsession' is TRUE, discard all "session cookies" on read from file.
+ *
+ * Returns NULL on out of memory. Invalid cookies are ignored.
+ ****************************************************************************/
+struct CookieInfo *Curl_cookie_init(struct Curl_easy *data,
+                                    const char *file,
+                                    struct CookieInfo *inc,
+                                    bool newsession)
+{
+  struct CookieInfo *c;
+  FILE *fp = NULL;
+  bool fromfile = TRUE;
+  char *line = NULL;
+
+  if(NULL == inc) {
+    /* we didn't get a struct, create one */
+    c = calloc(1, sizeof(struct CookieInfo));
+    if(!c)
+      return NULL; /* failed to get memory */
+    c->filename = strdup(file?file:"none"); /* copy the name just in case */
+    if(!c->filename)
+      goto fail; /* failed to get memory */
+  }
+  else {
+    /* we got an already existing one, use that */
+    c = inc;
+  }
+  c->running = FALSE; /* this is not running, this is init */
+
+  if(file && !strcmp(file, "-")) {
+    fp = stdin;
+    fromfile = FALSE;
+  }
+  else if(file && !*file) {
+    /* points to a "" string */
+    fp = NULL;
+  }
+  else
+    fp = file?fopen(file, FOPEN_READTEXT):NULL;
+
+  c->newsession = newsession; /* new session? */
+
+  if(fp) {
+    char *lineptr;
+    bool headerline;
+
+    line = malloc(MAX_COOKIE_LINE);
+    if(!line)
+      goto fail;
+    while(get_line(line, MAX_COOKIE_LINE, fp)) {
+      if(checkprefix("Set-Cookie:", line)) {
+        /* This is a cookie line, get it! */
+        lineptr = &line[11];
+        headerline = TRUE;
+      }
+      else {
+        lineptr = line;
+        headerline = FALSE;
+      }
+      while(*lineptr && ISBLANK(*lineptr))
+        lineptr++;
+
+      Curl_cookie_add(data, c, headerline, TRUE, lineptr, NULL, NULL, TRUE);
+    }
+    free(line); /* free the line buffer */
+    remove_expired(c); /* run this once, not on every cookie */
+
+    if(fromfile)
+      fclose(fp);
+  }
+
+  c->running = TRUE;          /* now, we're running */
+
+  return c;
+
+fail:
+  free(line);
+  if(!inc)
+    /* Only clean up if we allocated it here, as the original could still be in
+     * use by a share handle */
+    Curl_cookie_cleanup(c);
+  if(fromfile && fp)
+    fclose(fp);
+  return NULL; /* out of memory */
+}
+
+/* sort this so that the longest path gets before the shorter path */
+static int cookie_sort(const void *p1, const void *p2)
+{
+  struct Cookie *c1 = *(struct Cookie **)p1;
+  struct Cookie *c2 = *(struct Cookie **)p2;
+  size_t l1, l2;
+
+  /* 1 - compare cookie path lengths */
+  l1 = c1->path ? strlen(c1->path) : 0;
+  l2 = c2->path ? strlen(c2->path) : 0;
+
+  if(l1 != l2)
+    return (l2 > l1) ? 1 : -1 ; /* avoid size_t <=> int conversions */
+
+  /* 2 - compare cookie domain lengths */
+  l1 = c1->domain ? strlen(c1->domain) : 0;
+  l2 = c2->domain ? strlen(c2->domain) : 0;
+
+  if(l1 != l2)
+    return (l2 > l1) ? 1 : -1 ;  /* avoid size_t <=> int conversions */
+
+  /* 3 - compare cookie name lengths */
+  l1 = c1->name ? strlen(c1->name) : 0;
+  l2 = c2->name ? strlen(c2->name) : 0;
+
+  if(l1 != l2)
+    return (l2 > l1) ? 1 : -1;
+
+  /* 4 - compare cookie creation time */
+  return (c2->creationtime > c1->creationtime) ? 1 : -1;
+}
+
+/* sort cookies only according to creation time */
+static int cookie_sort_ct(const void *p1, const void *p2)
+{
+  struct Cookie *c1 = *(struct Cookie **)p1;
+  struct Cookie *c2 = *(struct Cookie **)p2;
+
+  return (c2->creationtime > c1->creationtime) ? 1 : -1;
+}
+
+#define CLONE(field)                     \
+  do {                                   \
+    if(src->field) {                     \
+      d->field = strdup(src->field);     \
+      if(!d->field)                      \
+        goto fail;                       \
+    }                                    \
+  } while(0)
+
+static struct Cookie *dup_cookie(struct Cookie *src)
+{
+  struct Cookie *d = calloc(sizeof(struct Cookie), 1);
+  if(d) {
+    CLONE(expirestr);
+    CLONE(domain);
+    CLONE(path);
+    CLONE(spath);
+    CLONE(name);
+    CLONE(value);
+    CLONE(maxage);
+    CLONE(version);
+    d->expires = src->expires;
+    d->tailmatch = src->tailmatch;
+    d->secure = src->secure;
+    d->livecookie = src->livecookie;
+    d->httponly = src->httponly;
+    d->creationtime = src->creationtime;
+  }
+  return d;
+
+  fail:
+  freecookie(d);
+  return NULL;
+}
+
+/*****************************************************************************
+ *
+ * Curl_cookie_getlist()
+ *
+ * For a given host and path, return a linked list of cookies that the
+ * client should send to the server if used now. The secure boolean informs
+ * the cookie if a secure connection is achieved or not.
+ *
+ * It shall only return cookies that haven't expired.
+ *
+ ****************************************************************************/
+
+struct Cookie *Curl_cookie_getlist(struct CookieInfo *c,
+                                   const char *host, const char *path,
+                                   bool secure)
+{
+  struct Cookie *newco;
+  struct Cookie *co;
+  struct Cookie *mainco = NULL;
+  size_t matches = 0;
+  bool is_ip;
+  const size_t myhash = cookiehash(host);
+
+  if(!c || !c->cookies[myhash])
+    return NULL; /* no cookie struct or no cookies in the struct */
+
+  /* at first, remove expired cookies */
+  remove_expired(c);
+
+  /* check if host is an IP(v4|v6) address */
+  is_ip = isip(host);
+
+  co = c->cookies[myhash];
+
+  while(co) {
+    /* if the cookie requires we're secure we must only continue if we are! */
+    if(co->secure?secure:TRUE) {
+
+      /* now check if the domain is correct */
+      if(!co->domain ||
+         (co->tailmatch && !is_ip && tailmatch(co->domain, host)) ||
+         ((!co->tailmatch || is_ip) && strcasecompare(host, co->domain)) ) {
+        /* the right part of the host matches the domain stuff in the
+           cookie data */
+
+        /* now check the left part of the path with the cookies path
+           requirement */
+        if(!co->spath || pathmatch(co->spath, path) ) {
+
+          /* and now, we know this is a match and we should create an
+             entry for the return-linked-list */
+
+          newco = dup_cookie(co);
+          if(newco) {
+            /* then modify our next */
+            newco->next = mainco;
+
+            /* point the main to us */
+            mainco = newco;
+
+            matches++;
+          }
+          else
+            goto fail;
+        }
+      }
+    }
+    co = co->next;
+  }
+
+  if(matches) {
+    /* Now we need to make sure that if there is a name appearing more than
+       once, the longest specified path version comes first. To make this
+       the swiftest way, we just sort them all based on path length. */
+    struct Cookie **array;
+    size_t i;
+
+    /* alloc an array and store all cookie pointers */
+    array = malloc(sizeof(struct Cookie *) * matches);
+    if(!array)
+      goto fail;
+
+    co = mainco;
+
+    for(i = 0; co; co = co->next)
+      array[i++] = co;
+
+    /* now sort the cookie pointers in path length order */
+    qsort(array, matches, sizeof(struct Cookie *), cookie_sort);
+
+    /* remake the linked list order according to the new order */
+
+    mainco = array[0]; /* start here */
+    for(i = 0; i<matches-1; i++)
+      array[i]->next = array[i + 1];
+    array[matches-1]->next = NULL; /* terminate the list */
+
+    free(array); /* remove the temporary data again */
+  }
+
+  return mainco; /* return the new list */
+
+fail:
+  /* failure, clear up the allocated chain and return NULL */
+  Curl_cookie_freelist(mainco);
+  return NULL;
+}
+
+/*****************************************************************************
+ *
+ * Curl_cookie_clearall()
+ *
+ * Clear all existing cookies and reset the counter.
+ *
+ ****************************************************************************/
+void Curl_cookie_clearall(struct CookieInfo *cookies)
+{
+  if(cookies) {
+    unsigned int i;
+    for(i = 0; i < COOKIE_HASH_SIZE; i++) {
+      Curl_cookie_freelist(cookies->cookies[i]);
+      cookies->cookies[i] = NULL;
+    }
+    cookies->numcookies = 0;
+  }
+}
+
+/*****************************************************************************
+ *
+ * Curl_cookie_freelist()
+ *
+ * Free a list of cookies previously returned by Curl_cookie_getlist();
+ *
+ ****************************************************************************/
+
+void Curl_cookie_freelist(struct Cookie *co)
+{
+  struct Cookie *next;
+  while(co) {
+    next = co->next;
+    freecookie(co);
+    co = next;
+  }
+}
+
+
+/*****************************************************************************
+ *
+ * Curl_cookie_clearsess()
+ *
+ * Free all session cookies in the cookies list.
+ *
+ ****************************************************************************/
+void Curl_cookie_clearsess(struct CookieInfo *cookies)
+{
+  struct Cookie *first, *curr, *next, *prev = NULL;
+  unsigned int i;
+
+  if(!cookies)
+    return;
+
+  for(i = 0; i < COOKIE_HASH_SIZE; i++) {
+    if(!cookies->cookies[i])
+      continue;
+
+    first = curr = prev = cookies->cookies[i];
+
+    for(; curr; curr = next) {
+      next = curr->next;
+      if(!curr->expires) {
+        if(first == curr)
+          first = next;
+
+        if(prev == curr)
+          prev = next;
+        else
+          prev->next = next;
+
+        freecookie(curr);
+        cookies->numcookies--;
+      }
+      else
+        prev = curr;
+    }
+
+    cookies->cookies[i] = first;
+  }
+}
+
+
+/*****************************************************************************
+ *
+ * Curl_cookie_cleanup()
+ *
+ * Free a "cookie object" previous created with Curl_cookie_init().
+ *
+ ****************************************************************************/
+void Curl_cookie_cleanup(struct CookieInfo *c)
+{
+  if(c) {
+    unsigned int i;
+    free(c->filename);
+    for(i = 0; i < COOKIE_HASH_SIZE; i++)
+      Curl_cookie_freelist(c->cookies[i]);
+    free(c); /* free the base struct as well */
+  }
+}
+
+/* get_netscape_format()
+ *
+ * Formats a string for Netscape output file, w/o a newline at the end.
+ *
+ * Function returns a char * to a formatted line. Has to be free()d
+*/
+static char *get_netscape_format(const struct Cookie *co)
+{
+  return aprintf(
+    "%s"     /* httponly preamble */
+    "%s%s\t" /* domain */
+    "%s\t"   /* tailmatch */
+    "%s\t"   /* path */
+    "%s\t"   /* secure */
+    "%" CURL_FORMAT_CURL_OFF_T "\t"   /* expires */
+    "%s\t"   /* name */
+    "%s",    /* value */
+    co->httponly?"#HttpOnly_":"",
+    /* Make sure all domains are prefixed with a dot if they allow
+       tailmatching. This is Mozilla-style. */
+    (co->tailmatch && co->domain && co->domain[0] != '.')? ".":"",
+    co->domain?co->domain:"unknown",
+    co->tailmatch?"TRUE":"FALSE",
+    co->path?co->path:"/",
+    co->secure?"TRUE":"FALSE",
+    co->expires,
+    co->name,
+    co->value?co->value:"");
+}
+
+/*
+ * cookie_output()
+ *
+ * Writes all internally known cookies to the specified file. Specify
+ * "-" as file name to write to stdout.
+ *
+ * The function returns non-zero on write failure.
+ */
+static int cookie_output(struct CookieInfo *c, const char *dumphere)
+{
+  struct Cookie *co;
+  FILE *out;
+  bool use_stdout = FALSE;
+  char *format_ptr;
+  unsigned int i;
+  unsigned int j;
+  struct Cookie **array;
+
+  /* at first, remove expired cookies */
+  remove_expired(c);
+
+  if(!strcmp("-", dumphere)) {
+    /* use stdout */
+    out = stdout;
+    use_stdout = TRUE;
+  }
+  else {
+    out = fopen(dumphere, FOPEN_WRITETEXT);
+    if(!out) {
+      return 1; /* failure */
+    }
+  }
+
+  fputs("# Netscape HTTP Cookie File\n"
+        "# https://curl.haxx.se/docs/http-cookies.html\n"
+        "# This file was generated by libcurl! Edit at your own risk.\n\n",
+        out);
+
+  if(c->numcookies) {
+    array = malloc(sizeof(struct Cookie *) * c->numcookies);
+    if(!array) {
+      if(!use_stdout)
+        fclose(out);
+      return 1;
+    }
+
+    j = 0;
+    for(i = 0; i < COOKIE_HASH_SIZE; i++) {
+      for(co = c->cookies[i]; co; co = co->next) {
+        if(!co->domain)
+          continue;
+        array[j++] = co;
+      }
+    }
+
+    qsort(array, c->numcookies, sizeof(struct Cookie *), cookie_sort_ct);
+
+    for(i = 0; i < j; i++) {
+      format_ptr = get_netscape_format(array[i]);
+      if(format_ptr == NULL) {
+        fprintf(out, "#\n# Fatal libcurl error\n");
+        free(array);
+        if(!use_stdout)
+          fclose(out);
+        return 1;
+      }
+      fprintf(out, "%s\n", format_ptr);
+      free(format_ptr);
+    }
+
+    free(array);
+  }
+  if(!use_stdout)
+    fclose(out);
+
+  return 0;
+}
+
+static struct curl_slist *cookie_list(struct Curl_easy *data)
+{
+  struct curl_slist *list = NULL;
+  struct curl_slist *beg;
+  struct Cookie *c;
+  char *line;
+  unsigned int i;
+
+  if((data->cookies == NULL) ||
+      (data->cookies->numcookies == 0))
+    return NULL;
+
+  for(i = 0; i < COOKIE_HASH_SIZE; i++) {
+    for(c = data->cookies->cookies[i]; c; c = c->next) {
+      if(!c->domain)
+        continue;
+      line = get_netscape_format(c);
+      if(!line) {
+        curl_slist_free_all(list);
+        return NULL;
+      }
+      beg = Curl_slist_append_nodup(list, line);
+      if(!beg) {
+        free(line);
+        curl_slist_free_all(list);
+        return NULL;
+      }
+      list = beg;
+    }
+  }
+
+  return list;
+}
+
+struct curl_slist *Curl_cookie_list(struct Curl_easy *data)
+{
+  struct curl_slist *list;
+  Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
+  list = cookie_list(data);
+  Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
+  return list;
+}
+
+void Curl_flush_cookies(struct Curl_easy *data, int cleanup)
+{
+  if(data->set.str[STRING_COOKIEJAR]) {
+    if(data->change.cookielist) {
+      /* If there is a list of cookie files to read, do it first so that
+         we have all the told files read before we write the new jar.
+         Curl_cookie_loadfiles() LOCKS and UNLOCKS the share itself! */
+      Curl_cookie_loadfiles(data);
+    }
+
+    Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
+
+    /* if we have a destination file for all the cookies to get dumped to */
+    if(cookie_output(data->cookies, data->set.str[STRING_COOKIEJAR]))
+      infof(data, "WARNING: failed to save cookies in %s\n",
+            data->set.str[STRING_COOKIEJAR]);
+  }
+  else {
+    if(cleanup && data->change.cookielist) {
+      /* since nothing is written, we can just free the list of cookie file
+         names */
+      curl_slist_free_all(data->change.cookielist); /* clean up list */
+      data->change.cookielist = NULL;
+    }
+    Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
+  }
+
+  if(cleanup && (!data->share || (data->cookies != data->share->cookies))) {
+    Curl_cookie_cleanup(data->cookies);
+  }
+  Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
+}
+
+#endif /* CURL_DISABLE_HTTP || CURL_DISABLE_COOKIES */
Index: trunk/src/libs/curl-7.64.0/lib/cookie.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/cookie.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/cookie.h	(revision 85671)
@@ -0,0 +1,112 @@
+#ifndef HEADER_CURL_COOKIE_H
+#define HEADER_CURL_COOKIE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+struct Cookie {
+  struct Cookie *next; /* next in the chain */
+  char *name;        /* <this> = value */
+  char *value;       /* name = <this> */
+  char *path;         /* path = <this> which is in Set-Cookie: */
+  char *spath;        /* sanitized cookie path */
+  char *domain;      /* domain = <this> */
+  curl_off_t expires;  /* expires = <this> */
+  char *expirestr;   /* the plain text version */
+  bool tailmatch;    /* whether we do tail-matching of the domain name */
+
+  /* RFC 2109 keywords. Version=1 means 2109-compliant cookie sending */
+  char *version;     /* Version = <value> */
+  char *maxage;      /* Max-Age = <value> */
+
+  bool secure;       /* whether the 'secure' keyword was used */
+  bool livecookie;   /* updated from a server, not a stored file */
+  bool httponly;     /* true if the httponly directive is present */
+  int creationtime;  /* time when the cookie was written */
+};
+
+#define COOKIE_HASH_SIZE 256
+
+struct CookieInfo {
+  /* linked list of cookies we know of */
+  struct Cookie *cookies[COOKIE_HASH_SIZE];
+
+  char *filename;  /* file we read from/write to */
+  bool running;    /* state info, for cookie adding information */
+  long numcookies; /* number of cookies in the "jar" */
+  bool newsession; /* new session, discard session cookies on load */
+  int lastct;      /* last creation-time used in the jar */
+};
+
+/* This is the maximum line length we accept for a cookie line. RFC 2109
+   section 6.3 says:
+
+   "at least 4096 bytes per cookie (as measured by the size of the characters
+   that comprise the cookie non-terminal in the syntax description of the
+   Set-Cookie header)"
+
+   We allow max 5000 bytes cookie header. Max 4095 bytes length per cookie
+   name and value. Name + value may not exceed 4096 bytes.
+
+*/
+#define MAX_COOKIE_LINE 5000
+
+/* This is the maximum length of a cookie name or content we deal with: */
+#define MAX_NAME 4096
+#define MAX_NAME_TXT "4095"
+
+struct Curl_easy;
+/*
+ * Add a cookie to the internal list of cookies. The domain and path arguments
+ * are only used if the header boolean is TRUE.
+ */
+
+struct Cookie *Curl_cookie_add(struct Curl_easy *data,
+                               struct CookieInfo *, bool header, bool noexpiry,
+                               char *lineptr,
+                               const char *domain, const char *path,
+                               bool secure);
+
+struct Cookie *Curl_cookie_getlist(struct CookieInfo *, const char *,
+                                   const char *, bool);
+void Curl_cookie_freelist(struct Cookie *cookies);
+void Curl_cookie_clearall(struct CookieInfo *cookies);
+void Curl_cookie_clearsess(struct CookieInfo *cookies);
+
+#if defined(CURL_DISABLE_HTTP) || defined(CURL_DISABLE_COOKIES)
+#define Curl_cookie_list(x) NULL
+#define Curl_cookie_loadfiles(x) Curl_nop_stmt
+#define Curl_cookie_init(x,y,z,w) NULL
+#define Curl_cookie_cleanup(x) Curl_nop_stmt
+#define Curl_flush_cookies(x,y) Curl_nop_stmt
+#else
+void Curl_flush_cookies(struct Curl_easy *data, int cleanup);
+void Curl_cookie_cleanup(struct CookieInfo *);
+struct CookieInfo *Curl_cookie_init(struct Curl_easy *data,
+                                    const char *, struct CookieInfo *, bool);
+struct curl_slist *Curl_cookie_list(struct Curl_easy *data);
+void Curl_cookie_loadfiles(struct Curl_easy *data);
+#endif
+
+#endif /* HEADER_CURL_COOKIE_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_addrinfo.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_addrinfo.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_addrinfo.c	(revision 85671)
@@ -0,0 +1,624 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#ifdef HAVE_NETINET_IN_H
+#  include <netinet/in.h>
+#endif
+#ifdef HAVE_NETINET_IN6_H
+#  include <netinet/in6.h>
+#endif
+#ifdef HAVE_NETDB_H
+#  include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#  include <arpa/inet.h>
+#endif
+#ifdef HAVE_SYS_UN_H
+#  include <sys/un.h>
+#endif
+
+#ifdef __VMS
+#  include <in.h>
+#  include <inet.h>
+#endif
+
+#if defined(NETWARE) && defined(__NOVELL_LIBC__)
+#  undef  in_addr_t
+#  define in_addr_t unsigned long
+#endif
+
+#if defined(WIN32) && defined(USE_UNIX_SOCKETS)
+#include <afunix.h>
+#endif
+
+#include <stddef.h>
+
+#include "curl_addrinfo.h"
+#include "inet_pton.h"
+#include "warnless.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Curl_freeaddrinfo()
+ *
+ * This is used to free a linked list of Curl_addrinfo structs along
+ * with all its associated allocated storage. This function should be
+ * called once for each successful call to Curl_getaddrinfo_ex() or to
+ * any function call which actually allocates a Curl_addrinfo struct.
+ */
+
+#if defined(__INTEL_COMPILER) && (__INTEL_COMPILER == 910) && \
+    defined(__OPTIMIZE__) && defined(__unix__) &&  defined(__i386__)
+  /* workaround icc 9.1 optimizer issue */
+# define vqualifier volatile
+#else
+# define vqualifier
+#endif
+
+void
+Curl_freeaddrinfo(Curl_addrinfo *cahead)
+{
+  Curl_addrinfo *vqualifier canext;
+  Curl_addrinfo *ca;
+
+  for(ca = cahead; ca != NULL; ca = canext) {
+    free(ca->ai_addr);
+    free(ca->ai_canonname);
+    canext = ca->ai_next;
+
+    free(ca);
+  }
+}
+
+
+#ifdef HAVE_GETADDRINFO
+/*
+ * Curl_getaddrinfo_ex()
+ *
+ * This is a wrapper function around system's getaddrinfo(), with
+ * the only difference that instead of returning a linked list of
+ * addrinfo structs this one returns a linked list of Curl_addrinfo
+ * ones. The memory allocated by this function *MUST* be free'd with
+ * Curl_freeaddrinfo().  For each successful call to this function
+ * there must be an associated call later to Curl_freeaddrinfo().
+ *
+ * There should be no single call to system's getaddrinfo() in the
+ * whole library, any such call should be 'routed' through this one.
+ */
+
+int
+Curl_getaddrinfo_ex(const char *nodename,
+                    const char *servname,
+                    const struct addrinfo *hints,
+                    Curl_addrinfo **result)
+{
+  const struct addrinfo *ai;
+  struct addrinfo *aihead;
+  Curl_addrinfo *cafirst = NULL;
+  Curl_addrinfo *calast = NULL;
+  Curl_addrinfo *ca;
+  size_t ss_size;
+  int error;
+
+  *result = NULL; /* assume failure */
+
+  error = getaddrinfo(nodename, servname, hints, &aihead);
+  if(error)
+    return error;
+
+  /* traverse the addrinfo list */
+
+  for(ai = aihead; ai != NULL; ai = ai->ai_next) {
+
+    /* ignore elements with unsupported address family, */
+    /* settle family-specific sockaddr structure size.  */
+    if(ai->ai_family == AF_INET)
+      ss_size = sizeof(struct sockaddr_in);
+#ifdef ENABLE_IPV6
+    else if(ai->ai_family == AF_INET6)
+      ss_size = sizeof(struct sockaddr_in6);
+#endif
+    else
+      continue;
+
+    /* ignore elements without required address info */
+    if((ai->ai_addr == NULL) || !(ai->ai_addrlen > 0))
+      continue;
+
+    /* ignore elements with bogus address size */
+    if((size_t)ai->ai_addrlen < ss_size)
+      continue;
+
+    ca = malloc(sizeof(Curl_addrinfo));
+    if(!ca) {
+      error = EAI_MEMORY;
+      break;
+    }
+
+    /* copy each structure member individually, member ordering, */
+    /* size, or padding might be different for each platform.    */
+
+    ca->ai_flags     = ai->ai_flags;
+    ca->ai_family    = ai->ai_family;
+    ca->ai_socktype  = ai->ai_socktype;
+    ca->ai_protocol  = ai->ai_protocol;
+    ca->ai_addrlen   = (curl_socklen_t)ss_size;
+    ca->ai_addr      = NULL;
+    ca->ai_canonname = NULL;
+    ca->ai_next      = NULL;
+
+    ca->ai_addr = malloc(ss_size);
+    if(!ca->ai_addr) {
+      error = EAI_MEMORY;
+      free(ca);
+      break;
+    }
+    memcpy(ca->ai_addr, ai->ai_addr, ss_size);
+
+    if(ai->ai_canonname != NULL) {
+      ca->ai_canonname = strdup(ai->ai_canonname);
+      if(!ca->ai_canonname) {
+        error = EAI_MEMORY;
+        free(ca->ai_addr);
+        free(ca);
+        break;
+      }
+    }
+
+    /* if the return list is empty, this becomes the first element */
+    if(!cafirst)
+      cafirst = ca;
+
+    /* add this element last in the return list */
+    if(calast)
+      calast->ai_next = ca;
+    calast = ca;
+
+  }
+
+  /* destroy the addrinfo list */
+  if(aihead)
+    freeaddrinfo(aihead);
+
+  /* if we failed, also destroy the Curl_addrinfo list */
+  if(error) {
+    Curl_freeaddrinfo(cafirst);
+    cafirst = NULL;
+  }
+  else if(!cafirst) {
+#ifdef EAI_NONAME
+    /* rfc3493 conformant */
+    error = EAI_NONAME;
+#else
+    /* rfc3493 obsoleted */
+    error = EAI_NODATA;
+#endif
+#ifdef USE_WINSOCK
+    SET_SOCKERRNO(error);
+#endif
+  }
+
+  *result = cafirst;
+
+  /* This is not a CURLcode */
+  return error;
+}
+#endif /* HAVE_GETADDRINFO */
+
+
+/*
+ * Curl_he2ai()
+ *
+ * This function returns a pointer to the first element of a newly allocated
+ * Curl_addrinfo struct linked list filled with the data of a given hostent.
+ * Curl_addrinfo is meant to work like the addrinfo struct does for a IPv6
+ * stack, but usable also for IPv4, all hosts and environments.
+ *
+ * The memory allocated by this function *MUST* be free'd later on calling
+ * Curl_freeaddrinfo().  For each successful call to this function there
+ * must be an associated call later to Curl_freeaddrinfo().
+ *
+ *   Curl_addrinfo defined in "lib/curl_addrinfo.h"
+ *
+ *     struct Curl_addrinfo {
+ *       int                   ai_flags;
+ *       int                   ai_family;
+ *       int                   ai_socktype;
+ *       int                   ai_protocol;
+ *       curl_socklen_t        ai_addrlen;   * Follow rfc3493 struct addrinfo *
+ *       char                 *ai_canonname;
+ *       struct sockaddr      *ai_addr;
+ *       struct Curl_addrinfo *ai_next;
+ *     };
+ *     typedef struct Curl_addrinfo Curl_addrinfo;
+ *
+ *   hostent defined in <netdb.h>
+ *
+ *     struct hostent {
+ *       char    *h_name;
+ *       char    **h_aliases;
+ *       int     h_addrtype;
+ *       int     h_length;
+ *       char    **h_addr_list;
+ *     };
+ *
+ *   for backward compatibility:
+ *
+ *     #define h_addr  h_addr_list[0]
+ */
+
+Curl_addrinfo *
+Curl_he2ai(const struct hostent *he, int port)
+{
+  Curl_addrinfo *ai;
+  Curl_addrinfo *prevai = NULL;
+  Curl_addrinfo *firstai = NULL;
+  struct sockaddr_in *addr;
+#ifdef ENABLE_IPV6
+  struct sockaddr_in6 *addr6;
+#endif
+  CURLcode result = CURLE_OK;
+  int i;
+  char *curr;
+
+  if(!he)
+    /* no input == no output! */
+    return NULL;
+
+  DEBUGASSERT((he->h_name != NULL) && (he->h_addr_list != NULL));
+
+  for(i = 0; (curr = he->h_addr_list[i]) != NULL; i++) {
+
+    size_t ss_size;
+#ifdef ENABLE_IPV6
+    if(he->h_addrtype == AF_INET6)
+      ss_size = sizeof(struct sockaddr_in6);
+    else
+#endif
+      ss_size = sizeof(struct sockaddr_in);
+
+    ai = calloc(1, sizeof(Curl_addrinfo));
+    if(!ai) {
+      result = CURLE_OUT_OF_MEMORY;
+      break;
+    }
+    ai->ai_canonname = strdup(he->h_name);
+    if(!ai->ai_canonname) {
+      result = CURLE_OUT_OF_MEMORY;
+      free(ai);
+      break;
+    }
+    ai->ai_addr = calloc(1, ss_size);
+    if(!ai->ai_addr) {
+      result = CURLE_OUT_OF_MEMORY;
+      free(ai->ai_canonname);
+      free(ai);
+      break;
+    }
+
+    if(!firstai)
+      /* store the pointer we want to return from this function */
+      firstai = ai;
+
+    if(prevai)
+      /* make the previous entry point to this */
+      prevai->ai_next = ai;
+
+    ai->ai_family = he->h_addrtype;
+
+    /* we return all names as STREAM, so when using this address for TFTP
+       the type must be ignored and conn->socktype be used instead! */
+    ai->ai_socktype = SOCK_STREAM;
+
+    ai->ai_addrlen = (curl_socklen_t)ss_size;
+
+    /* leave the rest of the struct filled with zero */
+
+    switch(ai->ai_family) {
+    case AF_INET:
+      addr = (void *)ai->ai_addr; /* storage area for this info */
+
+      memcpy(&addr->sin_addr, curr, sizeof(struct in_addr));
+      addr->sin_family = (CURL_SA_FAMILY_T)(he->h_addrtype);
+      addr->sin_port = htons((unsigned short)port);
+      break;
+
+#ifdef ENABLE_IPV6
+    case AF_INET6:
+      addr6 = (void *)ai->ai_addr; /* storage area for this info */
+
+      memcpy(&addr6->sin6_addr, curr, sizeof(struct in6_addr));
+      addr6->sin6_family = (CURL_SA_FAMILY_T)(he->h_addrtype);
+      addr6->sin6_port = htons((unsigned short)port);
+      break;
+#endif
+    }
+
+    prevai = ai;
+  }
+
+  if(result) {
+    Curl_freeaddrinfo(firstai);
+    firstai = NULL;
+  }
+
+  return firstai;
+}
+
+
+struct namebuff {
+  struct hostent hostentry;
+  union {
+    struct in_addr  ina4;
+#ifdef ENABLE_IPV6
+    struct in6_addr ina6;
+#endif
+  } addrentry;
+  char *h_addr_list[2];
+};
+
+
+/*
+ * Curl_ip2addr()
+ *
+ * This function takes an internet address, in binary form, as input parameter
+ * along with its address family and the string version of the address, and it
+ * returns a Curl_addrinfo chain filled in correctly with information for the
+ * given address/host
+ */
+
+Curl_addrinfo *
+Curl_ip2addr(int af, const void *inaddr, const char *hostname, int port)
+{
+  Curl_addrinfo *ai;
+
+#if defined(__VMS) && \
+    defined(__INITIAL_POINTER_SIZE) && (__INITIAL_POINTER_SIZE == 64)
+#pragma pointer_size save
+#pragma pointer_size short
+#pragma message disable PTRMISMATCH
+#endif
+
+  struct hostent  *h;
+  struct namebuff *buf;
+  char  *addrentry;
+  char  *hoststr;
+  size_t addrsize;
+
+  DEBUGASSERT(inaddr && hostname);
+
+  buf = malloc(sizeof(struct namebuff));
+  if(!buf)
+    return NULL;
+
+  hoststr = strdup(hostname);
+  if(!hoststr) {
+    free(buf);
+    return NULL;
+  }
+
+  switch(af) {
+  case AF_INET:
+    addrsize = sizeof(struct in_addr);
+    addrentry = (void *)&buf->addrentry.ina4;
+    memcpy(addrentry, inaddr, sizeof(struct in_addr));
+    break;
+#ifdef ENABLE_IPV6
+  case AF_INET6:
+    addrsize = sizeof(struct in6_addr);
+    addrentry = (void *)&buf->addrentry.ina6;
+    memcpy(addrentry, inaddr, sizeof(struct in6_addr));
+    break;
+#endif
+  default:
+    free(hoststr);
+    free(buf);
+    return NULL;
+  }
+
+  h = &buf->hostentry;
+  h->h_name = hoststr;
+  h->h_aliases = NULL;
+  h->h_addrtype = (short)af;
+  h->h_length = (short)addrsize;
+  h->h_addr_list = &buf->h_addr_list[0];
+  h->h_addr_list[0] = addrentry;
+  h->h_addr_list[1] = NULL; /* terminate list of entries */
+
+#if defined(__VMS) && \
+    defined(__INITIAL_POINTER_SIZE) && (__INITIAL_POINTER_SIZE == 64)
+#pragma pointer_size restore
+#pragma message enable PTRMISMATCH
+#endif
+
+  ai = Curl_he2ai(h, port);
+
+  free(hoststr);
+  free(buf);
+
+  return ai;
+}
+
+/*
+ * Given an IPv4 or IPv6 dotted string address, this converts it to a proper
+ * allocated Curl_addrinfo struct and returns it.
+ */
+Curl_addrinfo *Curl_str2addr(char *address, int port)
+{
+  struct in_addr in;
+  if(Curl_inet_pton(AF_INET, address, &in) > 0)
+    /* This is a dotted IP address 123.123.123.123-style */
+    return Curl_ip2addr(AF_INET, &in, address, port);
+#ifdef ENABLE_IPV6
+  {
+    struct in6_addr in6;
+    if(Curl_inet_pton(AF_INET6, address, &in6) > 0)
+      /* This is a dotted IPv6 address ::1-style */
+      return Curl_ip2addr(AF_INET6, &in6, address, port);
+  }
+#endif
+  return NULL; /* bad input format */
+}
+
+#ifdef USE_UNIX_SOCKETS
+/**
+ * Given a path to a Unix domain socket, return a newly allocated Curl_addrinfo
+ * struct initialized with this path.
+ * Set '*longpath' to TRUE if the error is a too long path.
+ */
+Curl_addrinfo *Curl_unix2addr(const char *path, bool *longpath, bool abstract)
+{
+  Curl_addrinfo *ai;
+  struct sockaddr_un *sa_un;
+  size_t path_len;
+
+  *longpath = FALSE;
+
+  ai = calloc(1, sizeof(Curl_addrinfo));
+  if(!ai)
+    return NULL;
+  ai->ai_addr = calloc(1, sizeof(struct sockaddr_un));
+  if(!ai->ai_addr) {
+    free(ai);
+    return NULL;
+  }
+
+  sa_un = (void *) ai->ai_addr;
+  sa_un->sun_family = AF_UNIX;
+
+  /* sun_path must be able to store the NUL-terminated path */
+  path_len = strlen(path) + 1;
+  if(path_len > sizeof(sa_un->sun_path)) {
+    free(ai->ai_addr);
+    free(ai);
+    *longpath = TRUE;
+    return NULL;
+  }
+
+  ai->ai_family = AF_UNIX;
+  ai->ai_socktype = SOCK_STREAM; /* assume reliable transport for HTTP */
+  ai->ai_addrlen = (curl_socklen_t)
+    ((offsetof(struct sockaddr_un, sun_path) + path_len) & 0x7FFFFFFF);
+
+  /* Abstract Unix domain socket have NULL prefix instead of suffix */
+  if(abstract)
+    memcpy(sa_un->sun_path + 1, path, path_len - 1);
+  else
+    memcpy(sa_un->sun_path, path, path_len); /* copy NUL byte */
+
+  return ai;
+}
+#endif
+
+#if defined(CURLDEBUG) && defined(HAVE_GETADDRINFO) &&  \
+  defined(HAVE_FREEADDRINFO)
+/*
+ * curl_dofreeaddrinfo()
+ *
+ * This is strictly for memory tracing and are using the same style as the
+ * family otherwise present in memdebug.c. I put these ones here since they
+ * require a bunch of structs I didn't want to include in memdebug.c
+ */
+
+void
+curl_dofreeaddrinfo(struct addrinfo *freethis,
+                    int line, const char *source)
+{
+#ifdef USE_LWIPSOCK
+  lwip_freeaddrinfo(freethis);
+#else
+  (freeaddrinfo)(freethis);
+#endif
+  curl_memlog("ADDR %s:%d freeaddrinfo(%p)\n",
+              source, line, (void *)freethis);
+}
+#endif /* defined(CURLDEBUG) && defined(HAVE_FREEADDRINFO) */
+
+
+#if defined(CURLDEBUG) && defined(HAVE_GETADDRINFO)
+/*
+ * curl_dogetaddrinfo()
+ *
+ * This is strictly for memory tracing and are using the same style as the
+ * family otherwise present in memdebug.c. I put these ones here since they
+ * require a bunch of structs I didn't want to include in memdebug.c
+ */
+
+int
+curl_dogetaddrinfo(const char *hostname,
+                   const char *service,
+                   const struct addrinfo *hints,
+                   struct addrinfo **result,
+                   int line, const char *source)
+{
+#ifdef USE_LWIPSOCK
+  int res = lwip_getaddrinfo(hostname, service, hints, result);
+#else
+  int res = (getaddrinfo)(hostname, service, hints, result);
+#endif
+  if(0 == res)
+    /* success */
+    curl_memlog("ADDR %s:%d getaddrinfo() = %p\n",
+                source, line, (void *)*result);
+  else
+    curl_memlog("ADDR %s:%d getaddrinfo() failed\n",
+                source, line);
+  return res;
+}
+#endif /* defined(CURLDEBUG) && defined(HAVE_GETADDRINFO) */
+
+#if defined(HAVE_GETADDRINFO) && defined(USE_RESOLVE_ON_IPS)
+/*
+ * Work-arounds the sin6_port is always zero bug on iOS 9.3.2 and Mac OS X
+ * 10.11.5.
+ */
+void Curl_addrinfo_set_port(Curl_addrinfo *addrinfo, int port)
+{
+  Curl_addrinfo *ca;
+  struct sockaddr_in *addr;
+#ifdef ENABLE_IPV6
+  struct sockaddr_in6 *addr6;
+#endif
+  for(ca = addrinfo; ca != NULL; ca = ca->ai_next) {
+    switch(ca->ai_family) {
+    case AF_INET:
+      addr = (void *)ca->ai_addr; /* storage area for this info */
+      addr->sin_port = htons((unsigned short)port);
+      break;
+
+#ifdef ENABLE_IPV6
+    case AF_INET6:
+      addr6 = (void *)ca->ai_addr; /* storage area for this info */
+      addr6->sin6_port = htons((unsigned short)port);
+      break;
+#endif
+    }
+  }
+}
+#endif
Index: trunk/src/libs/curl-7.64.0/lib/curl_addrinfo.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_addrinfo.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_addrinfo.h	(revision 85671)
@@ -0,0 +1,110 @@
+#ifndef HEADER_CURL_ADDRINFO_H
+#define HEADER_CURL_ADDRINFO_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_NETINET_IN_H
+#  include <netinet/in.h>
+#endif
+#ifdef HAVE_NETDB_H
+#  include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#  include <arpa/inet.h>
+#endif
+
+#ifdef __VMS
+#  include <in.h>
+#  include <inet.h>
+#  include <stdlib.h>
+#endif
+
+
+/*
+ * Curl_addrinfo is our internal struct definition that we use to allow
+ * consistent internal handling of this data. We use this even when the
+ * system provides an addrinfo structure definition. And we use this for
+ * all sorts of IPv4 and IPV6 builds.
+ */
+
+struct Curl_addrinfo {
+  int                   ai_flags;
+  int                   ai_family;
+  int                   ai_socktype;
+  int                   ai_protocol;
+  curl_socklen_t        ai_addrlen;   /* Follow rfc3493 struct addrinfo */
+  char                 *ai_canonname;
+  struct sockaddr      *ai_addr;
+  struct Curl_addrinfo *ai_next;
+};
+typedef struct Curl_addrinfo Curl_addrinfo;
+
+void
+Curl_freeaddrinfo(Curl_addrinfo *cahead);
+
+#ifdef HAVE_GETADDRINFO
+int
+Curl_getaddrinfo_ex(const char *nodename,
+                    const char *servname,
+                    const struct addrinfo *hints,
+                    Curl_addrinfo **result);
+#endif
+
+Curl_addrinfo *
+Curl_he2ai(const struct hostent *he, int port);
+
+Curl_addrinfo *
+Curl_ip2addr(int af, const void *inaddr, const char *hostname, int port);
+
+Curl_addrinfo *Curl_str2addr(char *dotted, int port);
+
+#ifdef USE_UNIX_SOCKETS
+Curl_addrinfo *Curl_unix2addr(const char *path, bool *longpath, bool abstract);
+#endif
+
+#if defined(CURLDEBUG) && defined(HAVE_GETADDRINFO) && \
+    defined(HAVE_FREEADDRINFO)
+void
+curl_dofreeaddrinfo(struct addrinfo *freethis,
+                    int line, const char *source);
+#endif
+
+#if defined(CURLDEBUG) && defined(HAVE_GETADDRINFO)
+int
+curl_dogetaddrinfo(const char *hostname,
+                   const char *service,
+                   const struct addrinfo *hints,
+                   struct addrinfo **result,
+                   int line, const char *source);
+#endif
+
+#ifdef HAVE_GETADDRINFO
+#ifdef USE_RESOLVE_ON_IPS
+void Curl_addrinfo_set_port(Curl_addrinfo *addrinfo, int port);
+#else
+#define Curl_addrinfo_set_port(x,y)
+#endif
+#endif
+
+#endif /* HEADER_CURL_ADDRINFO_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_base64.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_base64.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_base64.h	(revision 85671)
@@ -0,0 +1,35 @@
+#ifndef HEADER_CURL_BASE64_H
+#define HEADER_CURL_BASE64_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+CURLcode Curl_base64_encode(struct Curl_easy *data,
+                            const char *inputbuff, size_t insize,
+                            char **outptr, size_t *outlen);
+CURLcode Curl_base64url_encode(struct Curl_easy *data,
+                               const char *inputbuff, size_t insize,
+                               char **outptr, size_t *outlen);
+
+CURLcode Curl_base64_decode(const char *src,
+                            unsigned char **outptr, size_t *outlen);
+
+#endif /* HEADER_CURL_BASE64_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_config.h.cmake
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_config.h.cmake	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_config.h.cmake	(revision 85671)
@@ -0,0 +1,1011 @@
+/* lib/curl_config.h.in.  Generated somehow by cmake.  */
+
+/* when building libcurl itself */
+#cmakedefine BUILDING_LIBCURL 1
+
+/* Location of default ca bundle */
+#cmakedefine CURL_CA_BUNDLE "${CURL_CA_BUNDLE}"
+
+/* define "1" to use built-in ca store of TLS backend */
+#cmakedefine CURL_CA_FALLBACK 1
+
+/* Location of default ca path */
+#cmakedefine CURL_CA_PATH "${CURL_CA_PATH}"
+
+/* to disable cookies support */
+#cmakedefine CURL_DISABLE_COOKIES 1
+
+/* to disable cryptographic authentication */
+#cmakedefine CURL_DISABLE_CRYPTO_AUTH 1
+
+/* to disable DICT */
+#cmakedefine CURL_DISABLE_DICT 1
+
+/* to disable FILE */
+#cmakedefine CURL_DISABLE_FILE 1
+
+/* to disable FTP */
+#cmakedefine CURL_DISABLE_FTP 1
+
+/* to disable GOPHER */
+#cmakedefine CURL_DISABLE_GOPHER 1
+
+/* to disable IMAP */
+#cmakedefine CURL_DISABLE_IMAP 1
+
+/* to disable HTTP */
+#cmakedefine CURL_DISABLE_HTTP 1
+
+/* to disable LDAP */
+#cmakedefine CURL_DISABLE_LDAP 1
+
+/* to disable LDAPS */
+#cmakedefine CURL_DISABLE_LDAPS 1
+
+/* to disable POP3 */
+#cmakedefine CURL_DISABLE_POP3 1
+
+/* to disable proxies */
+#cmakedefine CURL_DISABLE_PROXY 1
+
+/* to disable RTSP */
+#cmakedefine CURL_DISABLE_RTSP 1
+
+/* to disable SMB */
+#cmakedefine CURL_DISABLE_SMB 1
+
+/* to disable SMTP */
+#cmakedefine CURL_DISABLE_SMTP 1
+
+/* to disable TELNET */
+#cmakedefine CURL_DISABLE_TELNET 1
+
+/* to disable TFTP */
+#cmakedefine CURL_DISABLE_TFTP 1
+
+/* to disable verbose strings */
+#cmakedefine CURL_DISABLE_VERBOSE_STRINGS 1
+
+/* to make a symbol visible */
+#cmakedefine CURL_EXTERN_SYMBOL ${CURL_EXTERN_SYMBOL}
+/* Ensure using CURL_EXTERN_SYMBOL is possible */
+#ifndef CURL_EXTERN_SYMBOL
+#define CURL_EXTERN_SYMBOL
+#endif
+
+/* Use Windows LDAP implementation */
+#cmakedefine USE_WIN32_LDAP 1
+
+/* when not building a shared library */
+#cmakedefine CURL_STATICLIB 1
+
+/* your Entropy Gathering Daemon socket pathname */
+#cmakedefine EGD_SOCKET ${EGD_SOCKET}
+
+/* Define if you want to enable IPv6 support */
+#cmakedefine ENABLE_IPV6 1
+
+/* Define to the type qualifier of arg 1 for getnameinfo. */
+#cmakedefine GETNAMEINFO_QUAL_ARG1 ${GETNAMEINFO_QUAL_ARG1}
+
+/* Define to the type of arg 1 for getnameinfo. */
+#cmakedefine GETNAMEINFO_TYPE_ARG1 ${GETNAMEINFO_TYPE_ARG1}
+
+/* Define to the type of arg 2 for getnameinfo. */
+#cmakedefine GETNAMEINFO_TYPE_ARG2 ${GETNAMEINFO_TYPE_ARG2}
+
+/* Define to the type of args 4 and 6 for getnameinfo. */
+#cmakedefine GETNAMEINFO_TYPE_ARG46 ${GETNAMEINFO_TYPE_ARG46}
+
+/* Define to the type of arg 7 for getnameinfo. */
+#cmakedefine GETNAMEINFO_TYPE_ARG7 ${GETNAMEINFO_TYPE_ARG7}
+
+/* Specifies the number of arguments to getservbyport_r */
+#cmakedefine GETSERVBYPORT_R_ARGS ${GETSERVBYPORT_R_ARGS}
+
+/* Specifies the size of the buffer to pass to getservbyport_r */
+#cmakedefine GETSERVBYPORT_R_BUFSIZE ${GETSERVBYPORT_R_BUFSIZE}
+
+/* Define to 1 if you have the alarm function. */
+#cmakedefine HAVE_ALARM 1
+
+/* Define to 1 if you have the <alloca.h> header file. */
+#cmakedefine HAVE_ALLOCA_H 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#cmakedefine HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <arpa/tftp.h> header file. */
+#cmakedefine HAVE_ARPA_TFTP_H 1
+
+/* Define to 1 if you have the <assert.h> header file. */
+#cmakedefine HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the `basename' function. */
+#cmakedefine HAVE_BASENAME 1
+
+/* Define to 1 if bool is an available type. */
+#cmakedefine HAVE_BOOL_T 1
+
+/* Define to 1 if you have the __builtin_available function. */
+#cmakedefine HAVE_BUILTIN_AVAILABLE 1
+
+/* Define to 1 if you have the clock_gettime function and monotonic timer. */
+#cmakedefine HAVE_CLOCK_GETTIME_MONOTONIC 1
+
+/* Define to 1 if you have the `closesocket' function. */
+#cmakedefine HAVE_CLOSESOCKET 1
+
+/* Define to 1 if you have the `CRYPTO_cleanup_all_ex_data' function. */
+#cmakedefine HAVE_CRYPTO_CLEANUP_ALL_EX_DATA 1
+
+/* Define to 1 if you have the <crypto.h> header file. */
+#cmakedefine HAVE_CRYPTO_H 1
+
+/* Define to 1 if you have the <des.h> header file. */
+#cmakedefine HAVE_DES_H 1
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#cmakedefine HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the `ENGINE_load_builtin_engines' function. */
+#cmakedefine HAVE_ENGINE_LOAD_BUILTIN_ENGINES 1
+
+/* Define to 1 if you have the <errno.h> header file. */
+#cmakedefine HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the <err.h> header file. */
+#cmakedefine HAVE_ERR_H 1
+
+/* Define to 1 if you have the fcntl function. */
+#cmakedefine HAVE_FCNTL 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#cmakedefine HAVE_FCNTL_H 1
+
+/* Define to 1 if you have a working fcntl O_NONBLOCK function. */
+#cmakedefine HAVE_FCNTL_O_NONBLOCK 1
+
+/* Define to 1 if you have the fdopen function. */
+#cmakedefine HAVE_FDOPEN 1
+
+/* Define to 1 if you have the `fork' function. */
+#cmakedefine HAVE_FORK 1
+
+/* Define to 1 if you have the freeaddrinfo function. */
+#cmakedefine HAVE_FREEADDRINFO 1
+
+/* Define to 1 if you have the freeifaddrs function. */
+#cmakedefine HAVE_FREEIFADDRS 1
+
+/* Define to 1 if you have the ftruncate function. */
+#cmakedefine HAVE_FTRUNCATE 1
+
+/* Define to 1 if you have a working getaddrinfo function. */
+#cmakedefine HAVE_GETADDRINFO 1
+
+/* Define to 1 if you have the `geteuid' function. */
+#cmakedefine HAVE_GETEUID 1
+
+/* Define to 1 if you have the gethostbyaddr function. */
+#cmakedefine HAVE_GETHOSTBYADDR 1
+
+/* Define to 1 if you have the gethostbyaddr_r function. */
+#cmakedefine HAVE_GETHOSTBYADDR_R 1
+
+/* gethostbyaddr_r() takes 5 args */
+#cmakedefine HAVE_GETHOSTBYADDR_R_5 1
+
+/* gethostbyaddr_r() takes 7 args */
+#cmakedefine HAVE_GETHOSTBYADDR_R_7 1
+
+/* gethostbyaddr_r() takes 8 args */
+#cmakedefine HAVE_GETHOSTBYADDR_R_8 1
+
+/* Define to 1 if you have the gethostbyname function. */
+#cmakedefine HAVE_GETHOSTBYNAME 1
+
+/* Define to 1 if you have the gethostbyname_r function. */
+#cmakedefine HAVE_GETHOSTBYNAME_R 1
+
+/* gethostbyname_r() takes 3 args */
+#cmakedefine HAVE_GETHOSTBYNAME_R_3 1
+
+/* gethostbyname_r() takes 5 args */
+#cmakedefine HAVE_GETHOSTBYNAME_R_5 1
+
+/* gethostbyname_r() takes 6 args */
+#cmakedefine HAVE_GETHOSTBYNAME_R_6 1
+
+/* Define to 1 if you have the gethostname function. */
+#cmakedefine HAVE_GETHOSTNAME 1
+
+/* Define to 1 if you have a working getifaddrs function. */
+#cmakedefine HAVE_GETIFADDRS 1
+
+/* Define to 1 if you have the getnameinfo function. */
+#cmakedefine HAVE_GETNAMEINFO 1
+
+/* Define to 1 if you have the `getpass_r' function. */
+#cmakedefine HAVE_GETPASS_R 1
+
+/* Define to 1 if you have the `getppid' function. */
+#cmakedefine HAVE_GETPPID 1
+
+/* Define to 1 if you have the `getprotobyname' function. */
+#cmakedefine HAVE_GETPROTOBYNAME 1
+
+/* Define to 1 if you have the `getpwuid' function. */
+#cmakedefine HAVE_GETPWUID 1
+
+/* Define to 1 if you have the `getpwuid_r' function. */
+#cmakedefine HAVE_GETPWUID_R 1
+
+/* Define to 1 if you have the `getrlimit' function. */
+#cmakedefine HAVE_GETRLIMIT 1
+
+/* Define to 1 if you have the getservbyport_r function. */
+#cmakedefine HAVE_GETSERVBYPORT_R 1
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#cmakedefine HAVE_GETTIMEOFDAY 1
+
+/* Define to 1 if you have a working glibc-style strerror_r function. */
+#cmakedefine HAVE_GLIBC_STRERROR_R 1
+
+/* Define to 1 if you have a working gmtime_r function. */
+#cmakedefine HAVE_GMTIME_R 1
+
+/* if you have the gssapi libraries */
+#cmakedefine HAVE_GSSAPI 1
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+#cmakedefine HAVE_GSSAPI_GSSAPI_GENERIC_H 1
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+#cmakedefine HAVE_GSSAPI_GSSAPI_H 1
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+#cmakedefine HAVE_GSSAPI_GSSAPI_KRB5_H 1
+
+/* if you have the GNU gssapi libraries */
+#cmakedefine HAVE_GSSGNU 1
+
+/* if you have the Heimdal gssapi libraries */
+#cmakedefine HAVE_GSSHEIMDAL 1
+
+/* if you have the MIT gssapi libraries */
+#cmakedefine HAVE_GSSMIT 1
+
+/* Define to 1 if you have the `idna_strerror' function. */
+#cmakedefine HAVE_IDNA_STRERROR 1
+
+/* Define to 1 if you have the `idn_free' function. */
+#cmakedefine HAVE_IDN_FREE 1
+
+/* Define to 1 if you have the <idn-free.h> header file. */
+#cmakedefine HAVE_IDN_FREE_H 1
+
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+#cmakedefine HAVE_IFADDRS_H 1
+
+/* Define to 1 if you have the `inet_addr' function. */
+#cmakedefine HAVE_INET_ADDR 1
+
+/* Define to 1 if you have the inet_ntoa_r function. */
+#cmakedefine HAVE_INET_NTOA_R 1
+
+/* inet_ntoa_r() takes 2 args */
+#cmakedefine HAVE_INET_NTOA_R_2 1
+
+/* inet_ntoa_r() takes 3 args */
+#cmakedefine HAVE_INET_NTOA_R_3 1
+
+/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
+#cmakedefine HAVE_INET_NTOP 1
+
+/* Define to 1 if you have a IPv6 capable working inet_pton function. */
+#cmakedefine HAVE_INET_PTON 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#cmakedefine HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the ioctl function. */
+#cmakedefine HAVE_IOCTL 1
+
+/* Define to 1 if you have the ioctlsocket function. */
+#cmakedefine HAVE_IOCTLSOCKET 1
+
+/* Define to 1 if you have the IoctlSocket camel case function. */
+#cmakedefine HAVE_IOCTLSOCKET_CAMEL 1
+
+/* Define to 1 if you have a working IoctlSocket camel case FIONBIO function.
+   */
+#cmakedefine HAVE_IOCTLSOCKET_CAMEL_FIONBIO 1
+
+/* Define to 1 if you have a working ioctlsocket FIONBIO function. */
+#cmakedefine HAVE_IOCTLSOCKET_FIONBIO 1
+
+/* Define to 1 if you have a working ioctl FIONBIO function. */
+#cmakedefine HAVE_IOCTL_FIONBIO 1
+
+/* Define to 1 if you have a working ioctl SIOCGIFADDR function. */
+#cmakedefine HAVE_IOCTL_SIOCGIFADDR 1
+
+/* Define to 1 if you have the <io.h> header file. */
+#cmakedefine HAVE_IO_H 1
+
+/* if you have the Kerberos4 libraries (including -ldes) */
+#cmakedefine HAVE_KRB4 1
+
+/* Define to 1 if you have the `krb_get_our_ip_for_realm' function. */
+#cmakedefine HAVE_KRB_GET_OUR_IP_FOR_REALM 1
+
+/* Define to 1 if you have the <krb.h> header file. */
+#cmakedefine HAVE_KRB_H 1
+
+/* Define to 1 if you have the lber.h header file. */
+#cmakedefine HAVE_LBER_H 1
+
+/* Define to 1 if you have the ldapssl.h header file. */
+#cmakedefine HAVE_LDAPSSL_H 1
+
+/* Define to 1 if you have the ldap.h header file. */
+#cmakedefine HAVE_LDAP_H 1
+
+/* Use LDAPS implementation */
+#cmakedefine HAVE_LDAP_SSL 1
+
+/* Define to 1 if you have the ldap_ssl.h header file. */
+#cmakedefine HAVE_LDAP_SSL_H 1
+
+/* Define to 1 if you have the `ldap_url_parse' function. */
+#cmakedefine HAVE_LDAP_URL_PARSE 1
+
+/* Define to 1 if you have the <libgen.h> header file. */
+#cmakedefine HAVE_LIBGEN_H 1
+
+/* Define to 1 if you have the `idn' library (-lidn). */
+#cmakedefine HAVE_LIBIDN 1
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+#cmakedefine HAVE_LIBRESOLV 1
+
+/* Define to 1 if you have the `resolve' library (-lresolve). */
+#cmakedefine HAVE_LIBRESOLVE 1
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+#cmakedefine HAVE_LIBSOCKET 1
+
+/* Define to 1 if you have the `ssh2' library (-lssh2). */
+#cmakedefine HAVE_LIBSSH2 1
+
+/* Define to 1 if libssh2 provides `libssh2_version'. */
+#cmakedefine HAVE_LIBSSH2_VERSION 1
+
+/* Define to 1 if libssh2 provides `libssh2_init'. */
+#cmakedefine HAVE_LIBSSH2_INIT 1
+
+/* Define to 1 if libssh2 provides `libssh2_exit'. */
+#cmakedefine HAVE_LIBSSH2_EXIT 1
+
+/* Define to 1 if libssh2 provides `libssh2_scp_send64'. */
+#cmakedefine HAVE_LIBSSH2_SCP_SEND64 1
+
+/* Define to 1 if libssh2 provides `libssh2_session_handshake'. */
+#cmakedefine HAVE_LIBSSH2_SESSION_HANDSHAKE 1
+
+/* Define to 1 if you have the <libssh2.h> header file. */
+#cmakedefine HAVE_LIBSSH2_H 1
+
+/* Define to 1 if you have the `ssl' library (-lssl). */
+#cmakedefine HAVE_LIBSSL 1
+
+/* if zlib is available */
+#cmakedefine HAVE_LIBZ 1
+
+/* if brotli is available */
+#cmakedefine HAVE_BROTLI 1
+
+/* if your compiler supports LL */
+#cmakedefine HAVE_LL 1
+
+/* Define to 1 if you have the <locale.h> header file. */
+#cmakedefine HAVE_LOCALE_H 1
+
+/* Define to 1 if you have a working localtime_r function. */
+#cmakedefine HAVE_LOCALTIME_R 1
+
+/* Define to 1 if the compiler supports the 'long long' data type. */
+#cmakedefine HAVE_LONGLONG 1
+
+/* Define to 1 if you have the malloc.h header file. */
+#cmakedefine HAVE_MALLOC_H 1
+
+/* Define to 1 if you have the <memory.h> header file. */
+#cmakedefine HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the MSG_NOSIGNAL flag. */
+#cmakedefine HAVE_MSG_NOSIGNAL 1
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#cmakedefine HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#cmakedefine HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#cmakedefine HAVE_NETINET_TCP_H 1
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#cmakedefine HAVE_NET_IF_H 1
+
+/* Define to 1 if NI_WITHSCOPEID exists and works. */
+#cmakedefine HAVE_NI_WITHSCOPEID 1
+
+/* if you have an old MIT gssapi library, lacking GSS_C_NT_HOSTBASED_SERVICE */
+#cmakedefine HAVE_OLD_GSSMIT 1
+
+/* Define to 1 if you have the <openssl/crypto.h> header file. */
+#cmakedefine HAVE_OPENSSL_CRYPTO_H 1
+
+/* Define to 1 if you have the <openssl/engine.h> header file. */
+#cmakedefine HAVE_OPENSSL_ENGINE_H 1
+
+/* Define to 1 if you have the <openssl/err.h> header file. */
+#cmakedefine HAVE_OPENSSL_ERR_H 1
+
+/* Define to 1 if you have the <openssl/pem.h> header file. */
+#cmakedefine HAVE_OPENSSL_PEM_H 1
+
+/* Define to 1 if you have the <openssl/pkcs12.h> header file. */
+#cmakedefine HAVE_OPENSSL_PKCS12_H 1
+
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+#cmakedefine HAVE_OPENSSL_RSA_H 1
+
+/* Define to 1 if you have the <openssl/ssl.h> header file. */
+#cmakedefine HAVE_OPENSSL_SSL_H 1
+
+/* Define to 1 if you have the <openssl/x509.h> header file. */
+#cmakedefine HAVE_OPENSSL_X509_H 1
+
+/* Define to 1 if you have the <pem.h> header file. */
+#cmakedefine HAVE_PEM_H 1
+
+/* Define to 1 if you have the `perror' function. */
+#cmakedefine HAVE_PERROR 1
+
+/* Define to 1 if you have the `pipe' function. */
+#cmakedefine HAVE_PIPE 1
+
+/* Define to 1 if you have a working poll function. */
+#cmakedefine HAVE_POLL 1
+
+/* If you have a fine poll */
+#cmakedefine HAVE_POLL_FINE 1
+
+/* Define to 1 if you have the <poll.h> header file. */
+#cmakedefine HAVE_POLL_H 1
+
+/* Define to 1 if you have a working POSIX-style strerror_r function. */
+#cmakedefine HAVE_POSIX_STRERROR_R 1
+
+/* Define to 1 if you have the <pthread.h> header file */
+#cmakedefine HAVE_PTHREAD_H 1
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#cmakedefine HAVE_PWD_H 1
+
+/* Define to 1 if you have the `RAND_egd' function. */
+#cmakedefine HAVE_RAND_EGD 1
+
+/* Define to 1 if you have the `RAND_screen' function. */
+#cmakedefine HAVE_RAND_SCREEN 1
+
+/* Define to 1 if you have the `RAND_status' function. */
+#cmakedefine HAVE_RAND_STATUS 1
+
+/* Define to 1 if you have the recv function. */
+#cmakedefine HAVE_RECV 1
+
+/* Define to 1 if you have the recvfrom function. */
+#cmakedefine HAVE_RECVFROM 1
+
+/* Define to 1 if you have the <rsa.h> header file. */
+#cmakedefine HAVE_RSA_H 1
+
+/* Define to 1 if you have the select function. */
+#cmakedefine HAVE_SELECT 1
+
+/* Define to 1 if you have the send function. */
+#cmakedefine HAVE_SEND 1
+
+/* Define to 1 if you have the 'fsetxattr' function. */
+#cmakedefine HAVE_FSETXATTR 1
+
+/* fsetxattr() takes 5 args */
+#cmakedefine HAVE_FSETXATTR_5 1
+
+/* fsetxattr() takes 6 args */
+#cmakedefine HAVE_FSETXATTR_6 1
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#cmakedefine HAVE_SETJMP_H 1
+
+/* Define to 1 if you have the `setlocale' function. */
+#cmakedefine HAVE_SETLOCALE 1
+
+/* Define to 1 if you have the `setmode' function. */
+#cmakedefine HAVE_SETMODE 1
+
+/* Define to 1 if you have the `setrlimit' function. */
+#cmakedefine HAVE_SETRLIMIT 1
+
+/* Define to 1 if you have the setsockopt function. */
+#cmakedefine HAVE_SETSOCKOPT 1
+
+/* Define to 1 if you have a working setsockopt SO_NONBLOCK function. */
+#cmakedefine HAVE_SETSOCKOPT_SO_NONBLOCK 1
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+#cmakedefine HAVE_SGTTY_H 1
+
+/* Define to 1 if you have the sigaction function. */
+#cmakedefine HAVE_SIGACTION 1
+
+/* Define to 1 if you have the siginterrupt function. */
+#cmakedefine HAVE_SIGINTERRUPT 1
+
+/* Define to 1 if you have the signal function. */
+#cmakedefine HAVE_SIGNAL 1
+
+/* Define to 1 if you have the <signal.h> header file. */
+#cmakedefine HAVE_SIGNAL_H 1
+
+/* Define to 1 if you have the sigsetjmp function or macro. */
+#cmakedefine HAVE_SIGSETJMP 1
+
+/* Define to 1 if sig_atomic_t is an available typedef. */
+#cmakedefine HAVE_SIG_ATOMIC_T 1
+
+/* Define to 1 if sig_atomic_t is already defined as volatile. */
+#cmakedefine HAVE_SIG_ATOMIC_T_VOLATILE 1
+
+/* Define to 1 if struct sockaddr_in6 has the sin6_scope_id member */
+#cmakedefine HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
+
+/* Define to 1 if you have the `socket' function. */
+#cmakedefine HAVE_SOCKET 1
+
+/* Define to 1 if you have the `SSL_get_shutdown' function. */
+#cmakedefine HAVE_SSL_GET_SHUTDOWN 1
+
+/* Define to 1 if you have the <ssl.h> header file. */
+#cmakedefine HAVE_SSL_H 1
+
+/* Define to 1 if you have the <stdbool.h> header file. */
+#cmakedefine HAVE_STDBOOL_H 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#cmakedefine HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#cmakedefine HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#cmakedefine HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the strcasecmp function. */
+#cmakedefine HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the strcasestr function. */
+#cmakedefine HAVE_STRCASESTR 1
+
+/* Define to 1 if you have the strcmpi function. */
+#cmakedefine HAVE_STRCMPI 1
+
+/* Define to 1 if you have the strdup function. */
+#cmakedefine HAVE_STRDUP 1
+
+/* Define to 1 if you have the strerror_r function. */
+#cmakedefine HAVE_STRERROR_R 1
+
+/* Define to 1 if you have the stricmp function. */
+#cmakedefine HAVE_STRICMP 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+#cmakedefine HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#cmakedefine HAVE_STRING_H 1
+
+/* Define to 1 if you have the strlcat function. */
+#cmakedefine HAVE_STRLCAT 1
+
+/* Define to 1 if you have the `strlcpy' function. */
+#cmakedefine HAVE_STRLCPY 1
+
+/* Define to 1 if you have the strncasecmp function. */
+#cmakedefine HAVE_STRNCASECMP 1
+
+/* Define to 1 if you have the strncmpi function. */
+#cmakedefine HAVE_STRNCMPI 1
+
+/* Define to 1 if you have the strnicmp function. */
+#cmakedefine HAVE_STRNICMP 1
+
+/* Define to 1 if you have the <stropts.h> header file. */
+#cmakedefine HAVE_STROPTS_H 1
+
+/* Define to 1 if you have the strstr function. */
+#cmakedefine HAVE_STRSTR 1
+
+/* Define to 1 if you have the strtok_r function. */
+#cmakedefine HAVE_STRTOK_R 1
+
+/* Define to 1 if you have the strtoll function. */
+#cmakedefine HAVE_STRTOLL 1
+
+/* if struct sockaddr_storage is defined */
+#cmakedefine HAVE_STRUCT_SOCKADDR_STORAGE 1
+
+/* Define to 1 if you have the timeval struct. */
+#cmakedefine HAVE_STRUCT_TIMEVAL 1
+
+/* Define to 1 if you have the <sys/filio.h> header file. */
+#cmakedefine HAVE_SYS_FILIO_H 1
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#cmakedefine HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#cmakedefine HAVE_SYS_PARAM_H 1
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+#cmakedefine HAVE_SYS_POLL_H 1
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#cmakedefine HAVE_SYS_RESOURCE_H 1
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#cmakedefine HAVE_SYS_SELECT_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#cmakedefine HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+#cmakedefine HAVE_SYS_SOCKIO_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#cmakedefine HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#cmakedefine HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#cmakedefine HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#cmakedefine HAVE_SYS_UIO_H 1
+
+/* Define to 1 if you have the <sys/un.h> header file. */
+#cmakedefine HAVE_SYS_UN_H 1
+
+/* Define to 1 if you have the <sys/utime.h> header file. */
+#cmakedefine HAVE_SYS_UTIME_H 1
+
+/* Define to 1 if you have the <termios.h> header file. */
+#cmakedefine HAVE_TERMIOS_H 1
+
+/* Define to 1 if you have the <termio.h> header file. */
+#cmakedefine HAVE_TERMIO_H 1
+
+/* Define to 1 if you have the <time.h> header file. */
+#cmakedefine HAVE_TIME_H 1
+
+/* Define to 1 if you have the <tld.h> header file. */
+#cmakedefine HAVE_TLD_H 1
+
+/* Define to 1 if you have the `tld_strerror' function. */
+#cmakedefine HAVE_TLD_STRERROR 1
+
+/* Define to 1 if you have the `uname' function. */
+#cmakedefine HAVE_UNAME 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#cmakedefine HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `utime' function. */
+#cmakedefine HAVE_UTIME 1
+
+/* Define to 1 if you have the <utime.h> header file. */
+#cmakedefine HAVE_UTIME_H 1
+
+/* Define to 1 if compiler supports C99 variadic macro style. */
+#cmakedefine HAVE_VARIADIC_MACROS_C99 1
+
+/* Define to 1 if compiler supports old gcc variadic macro style. */
+#cmakedefine HAVE_VARIADIC_MACROS_GCC 1
+
+/* Define to 1 if you have the winber.h header file. */
+#cmakedefine HAVE_WINBER_H 1
+
+/* Define to 1 if you have the windows.h header file. */
+#cmakedefine HAVE_WINDOWS_H 1
+
+/* Define to 1 if you have the winldap.h header file. */
+#cmakedefine HAVE_WINLDAP_H 1
+
+/* Define to 1 if you have the winsock2.h header file. */
+#cmakedefine HAVE_WINSOCK2_H 1
+
+/* Define to 1 if you have the winsock.h header file. */
+#cmakedefine HAVE_WINSOCK_H 1
+
+/* Define this symbol if your OS supports changing the contents of argv */
+#cmakedefine HAVE_WRITABLE_ARGV 1
+
+/* Define to 1 if you have the writev function. */
+#cmakedefine HAVE_WRITEV 1
+
+/* Define to 1 if you have the ws2tcpip.h header file. */
+#cmakedefine HAVE_WS2TCPIP_H 1
+
+/* Define to 1 if you have the <x509.h> header file. */
+#cmakedefine HAVE_X509_H 1
+
+/* Define if you have the <process.h> header file. */
+#cmakedefine HAVE_PROCESS_H 1
+
+/* if you have the zlib.h header file */
+#cmakedefine HAVE_ZLIB_H 1
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#cmakedefine LT_OBJDIR ${LT_OBJDIR}
+
+/* If you lack a fine basename() prototype */
+#cmakedefine NEED_BASENAME_PROTO 1
+
+/* Define to 1 if you need the lber.h header file even with ldap.h */
+#cmakedefine NEED_LBER_H 1
+
+/* Define to 1 if you need the malloc.h header file even with stdlib.h */
+#cmakedefine NEED_MALLOC_H 1
+
+/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
+#cmakedefine NEED_REENTRANT 1
+
+/* cpu-machine-OS */
+#cmakedefine OS ${OS}
+
+/* Name of package */
+#cmakedefine PACKAGE ${PACKAGE}
+
+/* Define to the address where bug reports for this package should be sent. */
+#cmakedefine PACKAGE_BUGREPORT ${PACKAGE_BUGREPORT}
+
+/* Define to the full name of this package. */
+#cmakedefine PACKAGE_NAME ${PACKAGE_NAME}
+
+/* Define to the full name and version of this package. */
+#cmakedefine PACKAGE_STRING ${PACKAGE_STRING}
+
+/* Define to the one symbol short name of this package. */
+#cmakedefine PACKAGE_TARNAME ${PACKAGE_TARNAME}
+
+/* Define to the version of this package. */
+#cmakedefine PACKAGE_VERSION ${PACKAGE_VERSION}
+
+/* a suitable file to read random data from */
+#cmakedefine RANDOM_FILE "${RANDOM_FILE}"
+
+/* Define to the type of arg 1 for recvfrom. */
+#cmakedefine RECVFROM_TYPE_ARG1 ${RECVFROM_TYPE_ARG1}
+
+/* Define to the type pointed by arg 2 for recvfrom. */
+#cmakedefine RECVFROM_TYPE_ARG2 ${RECVFROM_TYPE_ARG2}
+
+/* Define to 1 if the type pointed by arg 2 for recvfrom is void. */
+#cmakedefine RECVFROM_TYPE_ARG2_IS_VOID 1
+
+/* Define to the type of arg 3 for recvfrom. */
+#cmakedefine RECVFROM_TYPE_ARG3 ${RECVFROM_TYPE_ARG3}
+
+/* Define to the type of arg 4 for recvfrom. */
+#cmakedefine RECVFROM_TYPE_ARG4 ${RECVFROM_TYPE_ARG4}
+
+/* Define to the type pointed by arg 5 for recvfrom. */
+#cmakedefine RECVFROM_TYPE_ARG5 ${RECVFROM_TYPE_ARG5}
+
+/* Define to 1 if the type pointed by arg 5 for recvfrom is void. */
+#cmakedefine RECVFROM_TYPE_ARG5_IS_VOID 1
+
+/* Define to the type pointed by arg 6 for recvfrom. */
+#cmakedefine RECVFROM_TYPE_ARG6 ${RECVFROM_TYPE_ARG6}
+
+/* Define to 1 if the type pointed by arg 6 for recvfrom is void. */
+#cmakedefine RECVFROM_TYPE_ARG6_IS_VOID 1
+
+/* Define to the function return type for recvfrom. */
+#cmakedefine RECVFROM_TYPE_RETV ${RECVFROM_TYPE_RETV}
+
+/* Define to the type of arg 1 for recv. */
+#cmakedefine RECV_TYPE_ARG1 ${RECV_TYPE_ARG1}
+
+/* Define to the type of arg 2 for recv. */
+#cmakedefine RECV_TYPE_ARG2 ${RECV_TYPE_ARG2}
+
+/* Define to the type of arg 3 for recv. */
+#cmakedefine RECV_TYPE_ARG3 ${RECV_TYPE_ARG3}
+
+/* Define to the type of arg 4 for recv. */
+#cmakedefine RECV_TYPE_ARG4 ${RECV_TYPE_ARG4}
+
+/* Define to the function return type for recv. */
+#cmakedefine RECV_TYPE_RETV ${RECV_TYPE_RETV}
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#cmakedefine RETSIGTYPE ${RETSIGTYPE}
+
+/* Define to the type qualifier of arg 5 for select. */
+#cmakedefine SELECT_QUAL_ARG5 ${SELECT_QUAL_ARG5}
+
+/* Define to the type of arg 1 for select. */
+#cmakedefine SELECT_TYPE_ARG1 ${SELECT_TYPE_ARG1}
+
+/* Define to the type of args 2, 3 and 4 for select. */
+#cmakedefine SELECT_TYPE_ARG234 ${SELECT_TYPE_ARG234}
+
+/* Define to the type of arg 5 for select. */
+#cmakedefine SELECT_TYPE_ARG5 ${SELECT_TYPE_ARG5}
+
+/* Define to the function return type for select. */
+#cmakedefine SELECT_TYPE_RETV ${SELECT_TYPE_RETV}
+
+/* Define to the type qualifier of arg 2 for send. */
+#cmakedefine SEND_QUAL_ARG2 ${SEND_QUAL_ARG2}
+
+/* Define to the type of arg 1 for send. */
+#cmakedefine SEND_TYPE_ARG1 ${SEND_TYPE_ARG1}
+
+/* Define to the type of arg 2 for send. */
+#cmakedefine SEND_TYPE_ARG2 ${SEND_TYPE_ARG2}
+
+/* Define to the type of arg 3 for send. */
+#cmakedefine SEND_TYPE_ARG3 ${SEND_TYPE_ARG3}
+
+/* Define to the type of arg 4 for send. */
+#cmakedefine SEND_TYPE_ARG4 ${SEND_TYPE_ARG4}
+
+/* Define to the function return type for send. */
+#cmakedefine SEND_TYPE_RETV ${SEND_TYPE_RETV}
+
+/* The size of `int', as computed by sizeof. */
+#cmakedefine SIZEOF_INT ${SIZEOF_INT}
+
+/* The size of `short', as computed by sizeof. */
+#cmakedefine SIZEOF_SHORT ${SIZEOF_SHORT}
+
+/* The size of `long', as computed by sizeof. */
+#cmakedefine SIZEOF_LONG ${SIZEOF_LONG}
+
+/* The size of `off_t', as computed by sizeof. */
+#cmakedefine SIZEOF_OFF_T ${SIZEOF_OFF_T}
+
+/* The size of `curl_off_t', as computed by sizeof. */
+#cmakedefine SIZEOF_CURL_OFF_T ${SIZEOF_CURL_OFF_T}
+
+/* The size of `size_t', as computed by sizeof. */
+#cmakedefine SIZEOF_SIZE_T ${SIZEOF_SIZE_T}
+
+/* The size of `time_t', as computed by sizeof. */
+#cmakedefine SIZEOF_TIME_T ${SIZEOF_TIME_T}
+
+/* Define to 1 if you have the ANSI C header files. */
+#cmakedefine STDC_HEADERS 1
+
+/* Define to the type of arg 3 for strerror_r. */
+#cmakedefine STRERROR_R_TYPE_ARG3 ${STRERROR_R_TYPE_ARG3}
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#cmakedefine TIME_WITH_SYS_TIME 1
+
+/* Define if you want to enable c-ares support */
+#cmakedefine USE_ARES 1
+
+/* Define if you want to enable POSIX threaded DNS lookup */
+#cmakedefine USE_THREADS_POSIX 1
+
+/* Define if you want to enable WIN32 threaded DNS lookup */
+#cmakedefine USE_THREADS_WIN32 1
+
+/* Define to disable non-blocking sockets. */
+#cmakedefine USE_BLOCKING_SOCKETS 1
+
+/* if GnuTLS is enabled */
+#cmakedefine USE_GNUTLS 1
+
+/* if PolarSSL is enabled */
+#cmakedefine USE_POLARSSL 1
+
+/* if DarwinSSL is enabled */
+#cmakedefine USE_DARWINSSL 1
+
+/* if mbedTLS is enabled */
+#cmakedefine USE_MBEDTLS 1
+
+/* if libSSH2 is in use */
+#cmakedefine USE_LIBSSH2 1
+
+/* If you want to build curl with the built-in manual */
+#cmakedefine USE_MANUAL 1
+
+/* if NSS is enabled */
+#cmakedefine USE_NSS 1
+
+/* if you want to use OpenLDAP code instead of legacy ldap implementation */
+#cmakedefine USE_OPENLDAP 1
+
+/* if OpenSSL is in use */
+#cmakedefine USE_OPENSSL 1
+
+/* to enable NGHTTP2  */
+#cmakedefine USE_NGHTTP2 1
+
+/* if Unix domain sockets are enabled  */
+#cmakedefine USE_UNIX_SOCKETS
+
+/* Define to 1 if you are building a Windows target with large file support. */
+#cmakedefine USE_WIN32_LARGE_FILES 1
+
+/* to enable SSPI support */
+#cmakedefine USE_WINDOWS_SSPI 1
+
+/* to enable Windows SSL  */
+#cmakedefine USE_SCHANNEL 1
+
+/* enable multiple SSL backends */
+#cmakedefine CURL_WITH_MULTI_SSL 1
+
+/* Define to 1 if using yaSSL in OpenSSL compatibility mode. */
+#cmakedefine USE_YASSLEMUL 1
+
+/* Version number of package */
+#cmakedefine VERSION ${VERSION}
+
+/* Define to 1 if OS is AIX. */
+#ifndef _ALL_SOURCE
+#  undef _ALL_SOURCE
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#cmakedefine _FILE_OFFSET_BITS ${_FILE_OFFSET_BITS}
+
+/* Define for large files, on AIX-style hosts. */
+#cmakedefine _LARGE_FILES ${_LARGE_FILES}
+
+/* define this if you need it to compile thread-safe code */
+#cmakedefine _THREAD_SAFE ${_THREAD_SAFE}
+
+/* Define to empty if `const' does not conform to ANSI C. */
+#cmakedefine const ${const}
+
+/* Type to use in place of in_addr_t when system does not provide it. */
+#cmakedefine in_addr_t ${in_addr_t}
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+#undef inline
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+#cmakedefine size_t ${size_t}
+
+/* the signed version of size_t */
+#cmakedefine ssize_t ${ssize_t}
+
+/* Define to 1 if you have the mach_absolute_time function. */
+#cmakedefine HAVE_MACH_ABSOLUTE_TIME 1
Index: trunk/src/libs/curl-7.64.0/lib/curl_config.h.in
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_config.h.in	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_config.h.in	(revision 85671)
@@ -0,0 +1,1052 @@
+/* lib/curl_config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* to enable curl debug memory tracking */
+#undef CURLDEBUG
+
+/* Location of default ca bundle */
+#undef CURL_CA_BUNDLE
+
+/* define "1" to use built in CA store of SSL library */
+#undef CURL_CA_FALLBACK
+
+/* Location of default ca path */
+#undef CURL_CA_PATH
+
+/* Default SSL backend */
+#undef CURL_DEFAULT_SSL_BACKEND
+
+/* to disable cookies support */
+#undef CURL_DISABLE_COOKIES
+
+/* to disable cryptographic authentication */
+#undef CURL_DISABLE_CRYPTO_AUTH
+
+/* to disable DICT */
+#undef CURL_DISABLE_DICT
+
+/* to disable FILE */
+#undef CURL_DISABLE_FILE
+
+/* to disable FTP */
+#undef CURL_DISABLE_FTP
+
+/* to disable Gopher */
+#undef CURL_DISABLE_GOPHER
+
+/* to disable HTTP */
+#undef CURL_DISABLE_HTTP
+
+/* to disable IMAP */
+#undef CURL_DISABLE_IMAP
+
+/* to disable LDAP */
+#undef CURL_DISABLE_LDAP
+
+/* to disable LDAPS */
+#undef CURL_DISABLE_LDAPS
+
+/* to disable --libcurl C code generation option */
+#undef CURL_DISABLE_LIBCURL_OPTION
+
+/* if the OpenSSL configuration won't be loaded automatically */
+#undef CURL_DISABLE_OPENSSL_AUTO_LOAD_CONFIG
+
+/* to disable POP3 */
+#undef CURL_DISABLE_POP3
+
+/* to disable proxies */
+#undef CURL_DISABLE_PROXY
+
+/* to disable RTSP */
+#undef CURL_DISABLE_RTSP
+
+/* to disable SMB/CIFS */
+#undef CURL_DISABLE_SMB
+
+/* to disable SMTP */
+#undef CURL_DISABLE_SMTP
+
+/* to disable TELNET */
+#undef CURL_DISABLE_TELNET
+
+/* to disable TFTP */
+#undef CURL_DISABLE_TFTP
+
+/* to disable TLS-SRP authentication */
+#undef CURL_DISABLE_TLS_SRP
+
+/* to disable verbose strings */
+#undef CURL_DISABLE_VERBOSE_STRINGS
+
+/* Definition to make a library symbol externally visible. */
+#undef CURL_EXTERN_SYMBOL
+
+/* IP address type in sockaddr */
+#undef CURL_SA_FAMILY_T
+
+/* built with multiple SSL backends */
+#undef CURL_WITH_MULTI_SSL
+
+/* enable debug build options */
+#undef DEBUGBUILD
+
+/* your Entropy Gathering Daemon socket pathname */
+#undef EGD_SOCKET
+
+/* Define if you want to enable IPv6 support */
+#undef ENABLE_IPV6
+
+/* Define to the type of arg 2 for gethostname. */
+#undef GETHOSTNAME_TYPE_ARG2
+
+/* Specifies the number of arguments to getservbyport_r */
+#undef GETSERVBYPORT_R_ARGS
+
+/* Specifies the size of the buffer to pass to getservbyport_r */
+#undef GETSERVBYPORT_R_BUFSIZE
+
+/* Define to 1 if you have the alarm function. */
+#undef HAVE_ALARM
+
+/* Define to 1 if you have the <alloca.h> header file. */
+#undef HAVE_ALLOCA_H
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#undef HAVE_ARPA_INET_H
+
+/* Define to 1 if you have the <arpa/tftp.h> header file. */
+#undef HAVE_ARPA_TFTP_H
+
+/* Define to 1 if you have the <assert.h> header file. */
+#undef HAVE_ASSERT_H
+
+/* Define to 1 if you have the basename function. */
+#undef HAVE_BASENAME
+
+/* Define to 1 if bool is an available type. */
+#undef HAVE_BOOL_T
+
+/* Define to 1 if using BoringSSL. */
+#undef HAVE_BORINGSSL
+
+/* if BROTLI is in use */
+#undef HAVE_BROTLI
+
+/* Define to 1 if you have the <brotli/decode.h> header file. */
+#undef HAVE_BROTLI_DECODE_H
+
+/* Define to 1 if you have the __builtin_available function. */
+#undef HAVE_BUILTIN_AVAILABLE
+
+/* Define to 1 if you have the clock_gettime function and monotonic timer. */
+#undef HAVE_CLOCK_GETTIME_MONOTONIC
+
+/* Define to 1 if you have the closesocket function. */
+#undef HAVE_CLOSESOCKET
+
+/* Define to 1 if you have the CloseSocket camel case function. */
+#undef HAVE_CLOSESOCKET_CAMEL
+
+/* Define to 1 if you have the connect function. */
+#undef HAVE_CONNECT
+
+/* Define to 1 if you have the <crypto.h> header file. */
+#undef HAVE_CRYPTO_H
+
+/* Define to 1 if you have the `CyaSSL_CTX_UseSupportedCurve' function. */
+#undef HAVE_CYASSL_CTX_USESUPPORTEDCURVE
+
+/* Define to 1 if you have the <cyassl/error-ssl.h> header file. */
+#undef HAVE_CYASSL_ERROR_SSL_H
+
+/* Define to 1 if you have the `CyaSSL_get_peer_certificate' function. */
+#undef HAVE_CYASSL_GET_PEER_CERTIFICATE
+
+/* Define to 1 if you have the <cyassl/options.h> header file. */
+#undef HAVE_CYASSL_OPTIONS_H
+
+/* Define to 1 if you have the declaration of `getpwuid_r', and to 0 if you
+   don't. */
+#undef HAVE_DECL_GETPWUID_R
+
+/* "Set if getpwuid_r() declaration is missing" */
+#undef HAVE_DECL_GETPWUID_R_MISSING
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#undef HAVE_DLFCN_H
+
+/* Define to 1 if you have the <errno.h> header file. */
+#undef HAVE_ERRNO_H
+
+/* Define to 1 if you have the <err.h> header file. */
+#undef HAVE_ERR_H
+
+/* Define to 1 if you have the fcntl function. */
+#undef HAVE_FCNTL
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#undef HAVE_FCNTL_H
+
+/* Define to 1 if you have a working fcntl O_NONBLOCK function. */
+#undef HAVE_FCNTL_O_NONBLOCK
+
+/* Define to 1 if you have the fdopen function. */
+#undef HAVE_FDOPEN
+
+/* Define to 1 if you have the `fnmatch' function. */
+#undef HAVE_FNMATCH
+
+/* Define to 1 if you have the freeaddrinfo function. */
+#undef HAVE_FREEADDRINFO
+
+/* Define to 1 if you have the freeifaddrs function. */
+#undef HAVE_FREEIFADDRS
+
+/* Define to 1 if you have the fsetxattr function. */
+#undef HAVE_FSETXATTR
+
+/* fsetxattr() takes 5 args */
+#undef HAVE_FSETXATTR_5
+
+/* fsetxattr() takes 6 args */
+#undef HAVE_FSETXATTR_6
+
+/* Define to 1 if you have the ftruncate function. */
+#undef HAVE_FTRUNCATE
+
+/* Define to 1 if you have the gai_strerror function. */
+#undef HAVE_GAI_STRERROR
+
+/* Define to 1 if you have a working getaddrinfo function. */
+#undef HAVE_GETADDRINFO
+
+/* Define to 1 if the getaddrinfo function is threadsafe. */
+#undef HAVE_GETADDRINFO_THREADSAFE
+
+/* Define to 1 if you have the `geteuid' function. */
+#undef HAVE_GETEUID
+
+/* Define to 1 if you have the gethostbyaddr function. */
+#undef HAVE_GETHOSTBYADDR
+
+/* Define to 1 if you have the gethostbyaddr_r function. */
+#undef HAVE_GETHOSTBYADDR_R
+
+/* gethostbyaddr_r() takes 5 args */
+#undef HAVE_GETHOSTBYADDR_R_5
+
+/* gethostbyaddr_r() takes 7 args */
+#undef HAVE_GETHOSTBYADDR_R_7
+
+/* gethostbyaddr_r() takes 8 args */
+#undef HAVE_GETHOSTBYADDR_R_8
+
+/* Define to 1 if you have the gethostbyname function. */
+#undef HAVE_GETHOSTBYNAME
+
+/* Define to 1 if you have the gethostbyname_r function. */
+#undef HAVE_GETHOSTBYNAME_R
+
+/* gethostbyname_r() takes 3 args */
+#undef HAVE_GETHOSTBYNAME_R_3
+
+/* gethostbyname_r() takes 5 args */
+#undef HAVE_GETHOSTBYNAME_R_5
+
+/* gethostbyname_r() takes 6 args */
+#undef HAVE_GETHOSTBYNAME_R_6
+
+/* Define to 1 if you have the gethostname function. */
+#undef HAVE_GETHOSTNAME
+
+/* Define to 1 if you have a working getifaddrs function. */
+#undef HAVE_GETIFADDRS
+
+/* Define to 1 if you have the `getpass_r' function. */
+#undef HAVE_GETPASS_R
+
+/* Define to 1 if you have the `getppid' function. */
+#undef HAVE_GETPPID
+
+/* Define to 1 if you have the `getpwuid' function. */
+#undef HAVE_GETPWUID
+
+/* Define to 1 if you have the `getpwuid_r' function. */
+#undef HAVE_GETPWUID_R
+
+/* Define to 1 if you have the `getrlimit' function. */
+#undef HAVE_GETRLIMIT
+
+/* Define to 1 if you have the getservbyport_r function. */
+#undef HAVE_GETSERVBYPORT_R
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#undef HAVE_GETTIMEOFDAY
+
+/* Define to 1 if you have a working glibc-style strerror_r function. */
+#undef HAVE_GLIBC_STRERROR_R
+
+/* Define to 1 if you have a working gmtime_r function. */
+#undef HAVE_GMTIME_R
+
+/* Define to 1 if you have the `gnutls_alpn_set_protocols' function. */
+#undef HAVE_GNUTLS_ALPN_SET_PROTOCOLS
+
+/* Define to 1 if you have the `gnutls_certificate_set_x509_key_file2'
+   function. */
+#undef HAVE_GNUTLS_CERTIFICATE_SET_X509_KEY_FILE2
+
+/* Define to 1 if you have the `gnutls_ocsp_req_init' function. */
+#undef HAVE_GNUTLS_OCSP_REQ_INIT
+
+/* if you have the function gnutls_srp_verifier */
+#undef HAVE_GNUTLS_SRP
+
+/* if you have GSS-API libraries */
+#undef HAVE_GSSAPI
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+#undef HAVE_GSSAPI_GSSAPI_GENERIC_H
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+#undef HAVE_GSSAPI_GSSAPI_H
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+#undef HAVE_GSSAPI_GSSAPI_KRB5_H
+
+/* if you have GNU GSS */
+#undef HAVE_GSSGNU
+
+/* if you have Heimdal */
+#undef HAVE_GSSHEIMDAL
+
+/* if you have MIT Kerberos */
+#undef HAVE_GSSMIT
+
+/* Define to 1 if you have the <idn2.h> header file. */
+#undef HAVE_IDN2_H
+
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+#undef HAVE_IFADDRS_H
+
+/* Define to 1 if you have the `if_nametoindex' function. */
+#undef HAVE_IF_NAMETOINDEX
+
+/* Define to 1 if you have the inet_ntoa_r function. */
+#undef HAVE_INET_NTOA_R
+
+/* inet_ntoa_r() takes 2 args */
+#undef HAVE_INET_NTOA_R_2
+
+/* inet_ntoa_r() takes 3 args */
+#undef HAVE_INET_NTOA_R_3
+
+/* Define to 1 if you have a IPv6 capable working inet_ntop function. */
+#undef HAVE_INET_NTOP
+
+/* Define to 1 if you have a IPv6 capable working inet_pton function. */
+#undef HAVE_INET_PTON
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define to 1 if you have the ioctl function. */
+#undef HAVE_IOCTL
+
+/* Define to 1 if you have the ioctlsocket function. */
+#undef HAVE_IOCTLSOCKET
+
+/* Define to 1 if you have the IoctlSocket camel case function. */
+#undef HAVE_IOCTLSOCKET_CAMEL
+
+/* Define to 1 if you have a working IoctlSocket camel case FIONBIO function.
+   */
+#undef HAVE_IOCTLSOCKET_CAMEL_FIONBIO
+
+/* Define to 1 if you have a working ioctlsocket FIONBIO function. */
+#undef HAVE_IOCTLSOCKET_FIONBIO
+
+/* Define to 1 if you have a working ioctl FIONBIO function. */
+#undef HAVE_IOCTL_FIONBIO
+
+/* Define to 1 if you have a working ioctl SIOCGIFADDR function. */
+#undef HAVE_IOCTL_SIOCGIFADDR
+
+/* Define to 1 if you have the <io.h> header file. */
+#undef HAVE_IO_H
+
+/* Define to 1 if you have the lber.h header file. */
+#undef HAVE_LBER_H
+
+/* Define to 1 if you have the ldapssl.h header file. */
+#undef HAVE_LDAPSSL_H
+
+/* Define to 1 if you have the ldap.h header file. */
+#undef HAVE_LDAP_H
+
+/* Define to 1 if you have the `ldap_init_fd' function. */
+#undef HAVE_LDAP_INIT_FD
+
+/* Use LDAPS implementation */
+#undef HAVE_LDAP_SSL
+
+/* Define to 1 if you have the ldap_ssl.h header file. */
+#undef HAVE_LDAP_SSL_H
+
+/* Define to 1 if you have the `ldap_url_parse' function. */
+#undef HAVE_LDAP_URL_PARSE
+
+/* Define to 1 if you have the `brotlidec' library (-lbrotlidec). */
+#undef HAVE_LIBBROTLIDEC
+
+/* Define to 1 if you have the <libgen.h> header file. */
+#undef HAVE_LIBGEN_H
+
+/* Define to 1 if you have the `idn2' library (-lidn2). */
+#undef HAVE_LIBIDN2
+
+/* Define to 1 if using libressl. */
+#undef HAVE_LIBRESSL
+
+/* Define to 1 if you have the <librtmp/rtmp.h> header file. */
+#undef HAVE_LIBRTMP_RTMP_H
+
+/* Define to 1 if you have the `ssh' library (-lssh). */
+#undef HAVE_LIBSSH
+
+/* Define to 1 if you have the `ssh2' library (-lssh2). */
+#undef HAVE_LIBSSH2
+
+/* Define to 1 if you have the <libssh2.h> header file. */
+#undef HAVE_LIBSSH2_H
+
+/* Define to 1 if you have the <libssh/libssh.h> header file. */
+#undef HAVE_LIBSSH_LIBSSH_H
+
+/* Define to 1 if you have the `ssl' library (-lssl). */
+#undef HAVE_LIBSSL
+
+/* if zlib is available */
+#undef HAVE_LIBZ
+
+/* Define to 1 if you have the <linux/tcp.h> header file. */
+#undef HAVE_LINUX_TCP_H
+
+/* if your compiler supports LL */
+#undef HAVE_LL
+
+/* Define to 1 if you have the <locale.h> header file. */
+#undef HAVE_LOCALE_H
+
+/* Define to 1 if you have a working localtime_r function. */
+#undef HAVE_LOCALTIME_R
+
+/* Define to 1 if the compiler supports the 'long long' data type. */
+#undef HAVE_LONGLONG
+
+/* Define to 1 if you have the `mach_absolute_time' function. */
+#undef HAVE_MACH_ABSOLUTE_TIME
+
+/* Define to 1 if you have the malloc.h header file. */
+#undef HAVE_MALLOC_H
+
+/* Define to 1 if you have the memory.h header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the memrchr function or macro. */
+#undef HAVE_MEMRCHR
+
+/* Define to 1 if you have the MSG_NOSIGNAL flag. */
+#undef HAVE_MSG_NOSIGNAL
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#undef HAVE_NETDB_H
+
+/* Define to 1 if you have the <netinet/in6.h> header file. */
+#undef HAVE_NETINET_IN6_H
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#undef HAVE_NETINET_IN_H
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#undef HAVE_NETINET_TCP_H
+
+/* Define to 1 if you have the <net/if.h> header file. */
+#undef HAVE_NET_IF_H
+
+/* Define to 1 if you have the <nghttp2/nghttp2.h> header file. */
+#undef HAVE_NGHTTP2_NGHTTP2_H
+
+/* if you have an old MIT Kerberos version, lacking GSS_C_NT_HOSTBASED_SERVICE
+   */
+#undef HAVE_OLD_GSSMIT
+
+/* Define to 1 if you have the <openssl/crypto.h> header file. */
+#undef HAVE_OPENSSL_CRYPTO_H
+
+/* Define to 1 if you have the <openssl/err.h> header file. */
+#undef HAVE_OPENSSL_ERR_H
+
+/* Define to 1 if you have the <openssl/pem.h> header file. */
+#undef HAVE_OPENSSL_PEM_H
+
+/* Define to 1 if you have the <openssl/rsa.h> header file. */
+#undef HAVE_OPENSSL_RSA_H
+
+/* if you have the function SRP_Calc_client_key */
+#undef HAVE_OPENSSL_SRP
+
+/* Define to 1 if you have the <openssl/ssl.h> header file. */
+#undef HAVE_OPENSSL_SSL_H
+
+/* Define to 1 if you have the `OpenSSL_version' function. */
+#undef HAVE_OPENSSL_VERSION
+
+/* Define to 1 if you have the <openssl/x509.h> header file. */
+#undef HAVE_OPENSSL_X509_H
+
+/* Define to 1 if you have the <pem.h> header file. */
+#undef HAVE_PEM_H
+
+/* Define to 1 if you have the `pipe' function. */
+#undef HAVE_PIPE
+
+/* if you have the PK11_CreateManagedGenericObject function */
+#undef HAVE_PK11_CREATEMANAGEDGENERICOBJECT
+
+/* Define to 1 if you have a working poll function. */
+#undef HAVE_POLL
+
+/* If you have a fine poll */
+#undef HAVE_POLL_FINE
+
+/* Define to 1 if you have the <poll.h> header file. */
+#undef HAVE_POLL_H
+
+/* Define to 1 if you have a working POSIX-style strerror_r function. */
+#undef HAVE_POSIX_STRERROR_R
+
+/* if you have <pthread.h> */
+#undef HAVE_PTHREAD_H
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#undef HAVE_PWD_H
+
+/* Define to 1 if you have the `RAND_egd' function. */
+#undef HAVE_RAND_EGD
+
+/* Define to 1 if you have the recv function. */
+#undef HAVE_RECV
+
+/* Define to 1 if you have the <rsa.h> header file. */
+#undef HAVE_RSA_H
+
+/* Define to 1 if you have the select function. */
+#undef HAVE_SELECT
+
+/* Define to 1 if you have the send function. */
+#undef HAVE_SEND
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#undef HAVE_SETJMP_H
+
+/* Define to 1 if you have the `setlocale' function. */
+#undef HAVE_SETLOCALE
+
+/* Define to 1 if you have the `setmode' function. */
+#undef HAVE_SETMODE
+
+/* Define to 1 if you have the `setrlimit' function. */
+#undef HAVE_SETRLIMIT
+
+/* Define to 1 if you have the setsockopt function. */
+#undef HAVE_SETSOCKOPT
+
+/* Define to 1 if you have a working setsockopt SO_NONBLOCK function. */
+#undef HAVE_SETSOCKOPT_SO_NONBLOCK
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+#undef HAVE_SGTTY_H
+
+/* Define to 1 if you have the sigaction function. */
+#undef HAVE_SIGACTION
+
+/* Define to 1 if you have the siginterrupt function. */
+#undef HAVE_SIGINTERRUPT
+
+/* Define to 1 if you have the signal function. */
+#undef HAVE_SIGNAL
+
+/* Define to 1 if you have the <signal.h> header file. */
+#undef HAVE_SIGNAL_H
+
+/* Define to 1 if you have the sigsetjmp function or macro. */
+#undef HAVE_SIGSETJMP
+
+/* Define to 1 if sig_atomic_t is an available typedef. */
+#undef HAVE_SIG_ATOMIC_T
+
+/* Define to 1 if sig_atomic_t is already defined as volatile. */
+#undef HAVE_SIG_ATOMIC_T_VOLATILE
+
+/* Define to 1 if struct sockaddr_in6 has the sin6_scope_id member */
+#undef HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID
+
+/* Define to 1 if you have the socket function. */
+#undef HAVE_SOCKET
+
+/* Define to 1 if you have the socketpair function. */
+#undef HAVE_SOCKETPAIR
+
+/* Define to 1 if you have the <socket.h> header file. */
+#undef HAVE_SOCKET_H
+
+/* Define to 1 if you have the `SSLv2_client_method' function. */
+#undef HAVE_SSLV2_CLIENT_METHOD
+
+/* Define to 1 if you have the `SSL_get_shutdown' function. */
+#undef HAVE_SSL_GET_SHUTDOWN
+
+/* Define to 1 if you have the <ssl.h> header file. */
+#undef HAVE_SSL_H
+
+/* Define to 1 if you have the <stdbool.h> header file. */
+#undef HAVE_STDBOOL_H
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#undef HAVE_STDIO_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the strcasecmp function. */
+#undef HAVE_STRCASECMP
+
+/* Define to 1 if you have the strcmpi function. */
+#undef HAVE_STRCMPI
+
+/* Define to 1 if you have the strdup function. */
+#undef HAVE_STRDUP
+
+/* Define to 1 if you have the strerror_r function. */
+#undef HAVE_STRERROR_R
+
+/* Define to 1 if you have the stricmp function. */
+#undef HAVE_STRICMP
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the strncasecmp function. */
+#undef HAVE_STRNCASECMP
+
+/* Define to 1 if you have the strncmpi function. */
+#undef HAVE_STRNCMPI
+
+/* Define to 1 if you have the strnicmp function. */
+#undef HAVE_STRNICMP
+
+/* Define to 1 if you have the <stropts.h> header file. */
+#undef HAVE_STROPTS_H
+
+/* Define to 1 if you have the strstr function. */
+#undef HAVE_STRSTR
+
+/* Define to 1 if you have the strtok_r function. */
+#undef HAVE_STRTOK_R
+
+/* Define to 1 if you have the strtoll function. */
+#undef HAVE_STRTOLL
+
+/* if struct sockaddr_storage is defined */
+#undef HAVE_STRUCT_SOCKADDR_STORAGE
+
+/* Define to 1 if you have the timeval struct. */
+#undef HAVE_STRUCT_TIMEVAL
+
+/* Define to 1 if you have the <sys/filio.h> header file. */
+#undef HAVE_SYS_FILIO_H
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#undef HAVE_SYS_IOCTL_H
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#undef HAVE_SYS_PARAM_H
+
+/* Define to 1 if you have the <sys/poll.h> header file. */
+#undef HAVE_SYS_POLL_H
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#undef HAVE_SYS_RESOURCE_H
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#undef HAVE_SYS_SELECT_H
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#undef HAVE_SYS_SOCKET_H
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+#undef HAVE_SYS_SOCKIO_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#undef HAVE_SYS_TIME_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#undef HAVE_SYS_UIO_H
+
+/* Define to 1 if you have the <sys/un.h> header file. */
+#undef HAVE_SYS_UN_H
+
+/* Define to 1 if you have the <sys/utime.h> header file. */
+#undef HAVE_SYS_UTIME_H
+
+/* Define to 1 if you have the <sys/wait.h> header file. */
+#undef HAVE_SYS_WAIT_H
+
+/* Define to 1 if you have the <sys/xattr.h> header file. */
+#undef HAVE_SYS_XATTR_H
+
+/* Define to 1 if you have the <termios.h> header file. */
+#undef HAVE_TERMIOS_H
+
+/* Define to 1 if you have the <termio.h> header file. */
+#undef HAVE_TERMIO_H
+
+/* Define to 1 if you have the <time.h> header file. */
+#undef HAVE_TIME_H
+
+/* Define this if time_t is unsigned */
+#undef HAVE_TIME_T_UNSIGNED
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to 1 if you have the `utime' function. */
+#undef HAVE_UTIME
+
+/* Define to 1 if you have the `utimes' function. */
+#undef HAVE_UTIMES
+
+/* Define to 1 if you have the <utime.h> header file. */
+#undef HAVE_UTIME_H
+
+/* Define to 1 if compiler supports C99 variadic macro style. */
+#undef HAVE_VARIADIC_MACROS_C99
+
+/* Define to 1 if compiler supports old gcc variadic macro style. */
+#undef HAVE_VARIADIC_MACROS_GCC
+
+/* Define to 1 if you have the winber.h header file. */
+#undef HAVE_WINBER_H
+
+/* Define to 1 if you have the windows.h header file. */
+#undef HAVE_WINDOWS_H
+
+/* Define to 1 if you have the winldap.h header file. */
+#undef HAVE_WINLDAP_H
+
+/* Define to 1 if you have the winsock2.h header file. */
+#undef HAVE_WINSOCK2_H
+
+/* Define to 1 if you have the winsock.h header file. */
+#undef HAVE_WINSOCK_H
+
+/* Define to 1 if you have the `wolfSSLv3_client_method' function. */
+#undef HAVE_WOLFSSLV3_CLIENT_METHOD
+
+/* Define to 1 if you have the `wolfSSL_CTX_UseSupportedCurve' function. */
+#undef HAVE_WOLFSSL_CTX_USESUPPORTEDCURVE
+
+/* Define to 1 if you have the `wolfSSL_get_peer_certificate' function. */
+#undef HAVE_WOLFSSL_GET_PEER_CERTIFICATE
+
+/* Define to 1 if you have the `wolfSSL_UseALPN' function. */
+#undef HAVE_WOLFSSL_USEALPN
+
+/* Define this symbol if your OS supports changing the contents of argv */
+#undef HAVE_WRITABLE_ARGV
+
+/* Define to 1 if you have the writev function. */
+#undef HAVE_WRITEV
+
+/* Define to 1 if you have the ws2tcpip.h header file. */
+#undef HAVE_WS2TCPIP_H
+
+/* Define to 1 if you have the <x509.h> header file. */
+#undef HAVE_X509_H
+
+/* if you have the zlib.h header file */
+#undef HAVE_ZLIB_H
+
+/* Define to the sub-directory where libtool stores uninstalled libraries. */
+#undef LT_OBJDIR
+
+/* Define to 1 if you need the lber.h header file even with ldap.h */
+#undef NEED_LBER_H
+
+/* Define to 1 if you need the malloc.h header file even with stdlib.h */
+#undef NEED_MALLOC_H
+
+/* Define to 1 if you need the memory.h header file even with stdlib.h */
+#undef NEED_MEMORY_H
+
+/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */
+#undef NEED_REENTRANT
+
+/* Define to 1 if _THREAD_SAFE preprocessor symbol must be defined. */
+#undef NEED_THREAD_SAFE
+
+/* Define to enable NTLM delegation to winbind's ntlm_auth helper. */
+#undef NTLM_WB_ENABLED
+
+/* Define absolute filename for winbind's ntlm_auth helper. */
+#undef NTLM_WB_FILE
+
+/* cpu-machine-OS */
+#undef OS
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the home page for this package. */
+#undef PACKAGE_URL
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* a suitable file to read random data from */
+#undef RANDOM_FILE
+
+/* Define to the type of arg 1 for recv. */
+#undef RECV_TYPE_ARG1
+
+/* Define to the type of arg 2 for recv. */
+#undef RECV_TYPE_ARG2
+
+/* Define to the type of arg 3 for recv. */
+#undef RECV_TYPE_ARG3
+
+/* Define to the type of arg 4 for recv. */
+#undef RECV_TYPE_ARG4
+
+/* Define to the function return type for recv. */
+#undef RECV_TYPE_RETV
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#undef RETSIGTYPE
+
+/* Define to the type qualifier of arg 5 for select. */
+#undef SELECT_QUAL_ARG5
+
+/* Define to the type of arg 1 for select. */
+#undef SELECT_TYPE_ARG1
+
+/* Define to the type of args 2, 3 and 4 for select. */
+#undef SELECT_TYPE_ARG234
+
+/* Define to the type of arg 5 for select. */
+#undef SELECT_TYPE_ARG5
+
+/* Define to the function return type for select. */
+#undef SELECT_TYPE_RETV
+
+/* Define to the type qualifier of arg 2 for send. */
+#undef SEND_QUAL_ARG2
+
+/* Define to the type of arg 1 for send. */
+#undef SEND_TYPE_ARG1
+
+/* Define to the type of arg 2 for send. */
+#undef SEND_TYPE_ARG2
+
+/* Define to the type of arg 3 for send. */
+#undef SEND_TYPE_ARG3
+
+/* Define to the type of arg 4 for send. */
+#undef SEND_TYPE_ARG4
+
+/* Define to the function return type for send. */
+#undef SEND_TYPE_RETV
+
+/* The number of bytes in type curl_off_t */
+#undef SIZEOF_CURL_OFF_T
+
+/* The number of bytes in type int */
+#undef SIZEOF_INT
+
+/* The number of bytes in type long */
+#undef SIZEOF_LONG
+
+/* The number of bytes in type long long */
+#undef SIZEOF_LONG_LONG
+
+/* The number of bytes in type off_t */
+#undef SIZEOF_OFF_T
+
+/* The number of bytes in type short */
+#undef SIZEOF_SHORT
+
+/* The number of bytes in type size_t */
+#undef SIZEOF_SIZE_T
+
+/* The number of bytes in type time_t */
+#undef SIZEOF_TIME_T
+
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Define to the type of arg 3 for strerror_r. */
+#undef STRERROR_R_TYPE_ARG3
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#undef TIME_WITH_SYS_TIME
+
+/* Define to enable c-ares support */
+#undef USE_ARES
+
+/* if CyaSSL/WolfSSL is enabled */
+#undef USE_CYASSL
+
+/* to enable Apple OS native SSL/TLS support */
+#undef USE_DARWINSSL
+
+/* if GnuTLS is enabled */
+#undef USE_GNUTLS
+
+/* if GnuTLS uses nettle as crypto backend */
+#undef USE_GNUTLS_NETTLE
+
+/* PSL support enabled */
+#undef USE_LIBPSL
+
+/* if librtmp is in use */
+#undef USE_LIBRTMP
+
+/* if libSSH is in use */
+#undef USE_LIBSSH
+
+/* if libSSH2 is in use */
+#undef USE_LIBSSH2
+
+/* If you want to build curl with the built-in manual */
+#undef USE_MANUAL
+
+/* if mbedTLS is enabled */
+#undef USE_MBEDTLS
+
+/* if MesaLink is enabled */
+#undef USE_MESALINK
+
+/* Define to enable metalink support */
+#undef USE_METALINK
+
+/* if nghttp2 is in use */
+#undef USE_NGHTTP2
+
+/* if NSS is enabled */
+#undef USE_NSS
+
+/* Use OpenLDAP-specific code */
+#undef USE_OPENLDAP
+
+/* if OpenSSL is in use */
+#undef USE_OPENSSL
+
+/* if PolarSSL is enabled */
+#undef USE_POLARSSL
+
+/* to enable Windows native SSL/TLS support */
+#undef USE_SCHANNEL
+
+/* if you want POSIX threaded DNS lookup */
+#undef USE_THREADS_POSIX
+
+/* if you want Win32 threaded DNS lookup */
+#undef USE_THREADS_WIN32
+
+/* Use TLS-SRP authentication */
+#undef USE_TLS_SRP
+
+/* Use Unix domain sockets */
+#undef USE_UNIX_SOCKETS
+
+/* Define to 1 if you have the `normaliz' (WinIDN) library (-lnormaliz). */
+#undef USE_WIN32_IDN
+
+/* Define to 1 if you are building a Windows target with large file support.
+   */
+#undef USE_WIN32_LARGE_FILES
+
+/* Use Windows LDAP implementation */
+#undef USE_WIN32_LDAP
+
+/* Define to 1 if you are building a Windows target without large file
+   support. */
+#undef USE_WIN32_SMALL_FILES
+
+/* to enable SSPI support */
+#undef USE_WINDOWS_SSPI
+
+/* Version number of package */
+#undef VERSION
+
+/* Define to 1 to provide own prototypes. */
+#undef WANT_IDN_PROTOTYPES
+
+/* Define to 1 if OS is AIX. */
+#ifndef _ALL_SOURCE
+#  undef _ALL_SOURCE
+#endif
+
+/* Enable large inode numbers on Mac OS X 10.5.  */
+#ifndef _DARWIN_USE_64_BIT_INODE
+# define _DARWIN_USE_64_BIT_INODE 1
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#undef _FILE_OFFSET_BITS
+
+/* Define for large files, on AIX-style hosts. */
+#undef _LARGE_FILES
+
+/* Define to empty if `const' does not conform to ANSI C. */
+#undef const
+
+/* Type to use in place of in_addr_t when system does not provide it. */
+#undef in_addr_t
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+#undef inline
+#endif
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+#undef size_t
+
+/* the signed version of size_t */
+#undef ssize_t
Index: trunk/src/libs/curl-7.64.0/lib/curl_ctype.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_ctype.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_ctype.c	(revision 85671)
@@ -0,0 +1,133 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DOES_CONVERSIONS
+
+#undef _U
+#define _U (1<<0) /* upper case */
+#undef _L
+#define _L (1<<1) /* lower case */
+#undef _N
+#define _N (1<<2) /* decimal numerical digit */
+#undef _S
+#define _S (1<<3) /* space */
+#undef _P
+#define _P (1<<4) /* punctuation */
+#undef _C
+#define _C (1<<5) /* control */
+#undef _X
+#define _X (1<<6) /* hexadecimal letter */
+#undef _B
+#define _B (1<<7) /* blank */
+
+static const unsigned char ascii[128] = {
+  _C,   _C,     _C,     _C,     _C,     _C,     _C,     _C,
+  _C,   _C|_S,  _C|_S,  _C|_S,  _C|_S,  _C|_S,  _C,     _C,
+  _C,   _C,     _C,     _C,     _C,     _C,     _C,     _C,
+  _C,   _C,     _C,     _C,     _C,     _C,     _C,     _C,
+  _S|_B, _P,    _P,     _P,     _P,     _P,     _P,     _P,
+  _P,   _P,     _P,     _P,     _P,     _P,     _P,     _P,
+  _N,   _N,     _N,     _N,     _N,     _N,     _N,     _N,
+  _N,   _N,     _P,     _P,     _P,     _P,     _P,     _P,
+  _P,   _U|_X,  _U|_X,  _U|_X,  _U|_X,  _U|_X,  _U|_X,  _U,
+  _U,   _U,     _U,     _U,     _U,     _U,     _U,     _U,
+  _U,   _U,     _U,     _U,     _U,     _U,     _U,     _U,
+  _U,   _U,     _U,     _P,     _P,     _P,     _P,     _P,
+  _P,   _L|_X,  _L|_X,  _L|_X,  _L|_X,  _L|_X,  _L|_X,  _L,
+  _L,   _L,     _L,     _L,     _L,     _L,     _L,     _L,
+  _L,   _L,     _L,     _L,     _L,     _L,     _L,     _L,
+  _L,   _L,     _L,     _P,     _P,     _P,     _P,     _C
+};
+
+int Curl_isspace(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & _S);
+}
+
+int Curl_isdigit(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & _N);
+}
+
+int Curl_isalnum(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & (_N|_U|_L));
+}
+
+int Curl_isxdigit(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & (_N|_X));
+}
+
+int Curl_isgraph(int c)
+{
+  if((c < 0) || (c >= 0x80) || (c == ' '))
+    return FALSE;
+  return (ascii[c] & (_N|_X|_U|_L|_P|_S));
+}
+
+int Curl_isprint(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & (_N|_X|_U|_L|_P|_S));
+}
+
+int Curl_isalpha(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & (_U|_L));
+}
+
+int Curl_isupper(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & (_U));
+}
+
+int Curl_islower(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & (_L));
+}
+
+int Curl_iscntrl(int c)
+{
+  if((c < 0) || (c >= 0x80))
+    return FALSE;
+  return (ascii[c] & (_C));
+}
+
+#endif /* !CURL_DOES_CONVERSIONS */
Index: trunk/src/libs/curl-7.64.0/lib/curl_ctype.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_ctype.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_ctype.h	(revision 85671)
@@ -0,0 +1,81 @@
+#ifndef HEADER_CURL_CTYPE_H
+#define HEADER_CURL_CTYPE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef CURL_DOES_CONVERSIONS
+
+/*
+ * Uppercase macro versions of ANSI/ISO is*() functions/macros which
+ * avoid negative number inputs with argument byte codes > 127.
+ *
+ * For non-ASCII platforms the C library character classification routines
+ * are used despite being locale-dependent, because this is better than
+ * not to work at all.
+ */
+#include <ctype.h>
+
+#define ISSPACE(x)  (isspace((int)  ((unsigned char)x)))
+#define ISDIGIT(x)  (isdigit((int)  ((unsigned char)x)))
+#define ISALNUM(x)  (isalnum((int)  ((unsigned char)x)))
+#define ISXDIGIT(x) (isxdigit((int) ((unsigned char)x)))
+#define ISGRAPH(x)  (isgraph((int)  ((unsigned char)x)))
+#define ISALPHA(x)  (isalpha((int)  ((unsigned char)x)))
+#define ISPRINT(x)  (isprint((int)  ((unsigned char)x)))
+#define ISUPPER(x)  (isupper((int)  ((unsigned char)x)))
+#define ISLOWER(x)  (islower((int)  ((unsigned char)x)))
+#define ISCNTRL(x)  (iscntrl((int)  ((unsigned char)x)))
+#define ISASCII(x)  (isascii((int)  ((unsigned char)x)))
+
+#else
+
+int Curl_isspace(int c);
+int Curl_isdigit(int c);
+int Curl_isalnum(int c);
+int Curl_isxdigit(int c);
+int Curl_isgraph(int c);
+int Curl_isprint(int c);
+int Curl_isalpha(int c);
+int Curl_isupper(int c);
+int Curl_islower(int c);
+int Curl_iscntrl(int c);
+
+#define ISSPACE(x)  (Curl_isspace((int)  ((unsigned char)x)))
+#define ISDIGIT(x)  (Curl_isdigit((int)  ((unsigned char)x)))
+#define ISALNUM(x)  (Curl_isalnum((int)  ((unsigned char)x)))
+#define ISXDIGIT(x) (Curl_isxdigit((int) ((unsigned char)x)))
+#define ISGRAPH(x)  (Curl_isgraph((int)  ((unsigned char)x)))
+#define ISALPHA(x)  (Curl_isalpha((int)  ((unsigned char)x)))
+#define ISPRINT(x)  (Curl_isprint((int)  ((unsigned char)x)))
+#define ISUPPER(x)  (Curl_isupper((int)  ((unsigned char)x)))
+#define ISLOWER(x)  (Curl_islower((int)  ((unsigned char)x)))
+#define ISCNTRL(x)  (Curl_iscntrl((int)  ((unsigned char)x)))
+#define ISASCII(x)  (((x) >= 0) && ((x) <= 0x80))
+
+#endif
+
+#define ISBLANK(x)  (int)((((unsigned char)x) == ' ') ||        \
+                          (((unsigned char)x) == '\t'))
+
+#endif /* HEADER_CURL_CTYPE_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_des.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_des.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_des.c	(revision 85671)
@@ -0,0 +1,63 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2015, Steve Holme, <steve_holme@hotmail.com>.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(USE_NTLM) && !defined(USE_OPENSSL)
+
+#include "curl_des.h"
+
+/*
+ * Curl_des_set_odd_parity()
+ *
+ * This is used to apply odd parity to the given byte array. It is typically
+ * used by when a cryptography engines doesn't have it's own version.
+ *
+ * The function is a port of the Java based oddParity() function over at:
+ *
+ * https://davenport.sourceforge.io/ntlm.html
+ *
+ * Parameters:
+ *
+ * bytes       [in/out] - The data whose parity bits are to be adjusted for
+ *                        odd parity.
+ * len         [out]    - The length of the data.
+ */
+void Curl_des_set_odd_parity(unsigned char *bytes, size_t len)
+{
+  size_t i;
+
+  for(i = 0; i < len; i++) {
+    unsigned char b = bytes[i];
+
+    bool needs_parity = (((b >> 7) ^ (b >> 6) ^ (b >> 5) ^
+                          (b >> 4) ^ (b >> 3) ^ (b >> 2) ^
+                          (b >> 1)) & 0x01) == 0;
+
+    if(needs_parity)
+      bytes[i] |= 0x01;
+    else
+      bytes[i] &= 0xfe;
+  }
+}
+
+#endif /* USE_NTLM && !USE_OPENSSL */
Index: trunk/src/libs/curl-7.64.0/lib/curl_des.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_des.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_des.h	(revision 85671)
@@ -0,0 +1,34 @@
+#ifndef HEADER_CURL_DES_H
+#define HEADER_CURL_DES_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2015, Steve Holme, <steve_holme@hotmail.com>.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(USE_NTLM) && !defined(USE_OPENSSL)
+
+/* Applies odd parity to the given byte array */
+void Curl_des_set_odd_parity(unsigned char *bytes, size_t length);
+
+#endif /* USE_NTLM && !USE_OPENSSL */
+
+#endif /* HEADER_CURL_DES_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_endian.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_endian.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_endian.c	(revision 85671)
@@ -0,0 +1,124 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include "curl_endian.h"
+
+/*
+ * Curl_read16_le()
+ *
+ * This function converts a 16-bit integer from the little endian format, as
+ * used in the incoming package to whatever endian format we're using
+ * natively.
+ *
+ * Parameters:
+ *
+ * buf      [in]     - A pointer to a 2 byte buffer.
+ *
+ * Returns the integer.
+ */
+unsigned short Curl_read16_le(const unsigned char *buf)
+{
+  return (unsigned short)(((unsigned short)buf[0]) |
+                          ((unsigned short)buf[1] << 8));
+}
+
+/*
+ * Curl_read32_le()
+ *
+ * This function converts a 32-bit integer from the little endian format, as
+ * used in the incoming package to whatever endian format we're using
+ * natively.
+ *
+ * Parameters:
+ *
+ * buf      [in]     - A pointer to a 4 byte buffer.
+ *
+ * Returns the integer.
+ */
+unsigned int Curl_read32_le(const unsigned char *buf)
+{
+  return ((unsigned int)buf[0]) | ((unsigned int)buf[1] << 8) |
+         ((unsigned int)buf[2] << 16) | ((unsigned int)buf[3] << 24);
+}
+
+/*
+ * Curl_read16_be()
+ *
+ * This function converts a 16-bit integer from the big endian format, as
+ * used in the incoming package to whatever endian format we're using
+ * natively.
+ *
+ * Parameters:
+ *
+ * buf      [in]     - A pointer to a 2 byte buffer.
+ *
+ * Returns the integer.
+ */
+unsigned short Curl_read16_be(const unsigned char *buf)
+{
+  return (unsigned short)(((unsigned short)buf[0] << 8) |
+                          ((unsigned short)buf[1]));
+}
+
+/*
+ * Curl_write32_le()
+ *
+ * This function converts a 32-bit integer from the native endian format,
+ * to little endian format ready for sending down the wire.
+ *
+ * Parameters:
+ *
+ * value    [in]     - The 32-bit integer value.
+ * buffer   [in]     - A pointer to the output buffer.
+ */
+void Curl_write32_le(const int value, unsigned char *buffer)
+{
+  buffer[0] = (char)(value & 0x000000FF);
+  buffer[1] = (char)((value & 0x0000FF00) >> 8);
+  buffer[2] = (char)((value & 0x00FF0000) >> 16);
+  buffer[3] = (char)((value & 0xFF000000) >> 24);
+}
+
+#if (CURL_SIZEOF_CURL_OFF_T > 4)
+/*
+ * Curl_write64_le()
+ *
+ * This function converts a 64-bit integer from the native endian format,
+ * to little endian format ready for sending down the wire.
+ *
+ * Parameters:
+ *
+ * value    [in]     - The 64-bit integer value.
+ * buffer   [in]     - A pointer to the output buffer.
+ */
+#if defined(HAVE_LONGLONG)
+void Curl_write64_le(const long long value, unsigned char *buffer)
+#else
+void Curl_write64_le(const __int64 value, unsigned char *buffer)
+#endif
+{
+  Curl_write32_le((int)value, buffer);
+  Curl_write32_le((int)(value >> 32), buffer + 4);
+}
+#endif /* CURL_SIZEOF_CURL_OFF_T > 4 */
Index: trunk/src/libs/curl-7.64.0/lib/curl_endian.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_endian.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_endian.h	(revision 85671)
@@ -0,0 +1,46 @@
+#ifndef HEADER_CURL_ENDIAN_H
+#define HEADER_CURL_ENDIAN_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* Converts a 16-bit integer from little endian */
+unsigned short Curl_read16_le(const unsigned char *buf);
+
+/* Converts a 32-bit integer from little endian */
+unsigned int Curl_read32_le(const unsigned char *buf);
+
+/* Converts a 16-bit integer from big endian */
+unsigned short Curl_read16_be(const unsigned char *buf);
+
+/* Converts a 32-bit integer to little endian */
+void Curl_write32_le(const int value, unsigned char *buffer);
+
+#if (CURL_SIZEOF_CURL_OFF_T > 4)
+/* Converts a 64-bit integer to little endian */
+#if defined(HAVE_LONGLONG)
+void Curl_write64_le(const long long value, unsigned char *buffer);
+#else
+void Curl_write64_le(const __int64 value, unsigned char *buffer);
+#endif
+#endif
+
+#endif /* HEADER_CURL_ENDIAN_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_fnmatch.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_fnmatch.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_fnmatch.c	(revision 85671)
@@ -0,0 +1,396 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#include "curl_fnmatch.h"
+#include "curl_memory.h"
+
+/* The last #include file should be: */
+#include "memdebug.h"
+
+#ifndef HAVE_FNMATCH
+
+/*
+ * TODO:
+ *
+ * Make this function match POSIX. Test 1307 includes a set of test patterns
+ * that returns different results with a POSIX fnmatch() than with this
+ * implementation and this is considered a bug where POSIX is the guiding
+ * light.
+ */
+
+#define CURLFNM_CHARSET_LEN (sizeof(char) * 256)
+#define CURLFNM_CHSET_SIZE (CURLFNM_CHARSET_LEN + 15)
+
+#define CURLFNM_NEGATE  CURLFNM_CHARSET_LEN
+
+#define CURLFNM_ALNUM   (CURLFNM_CHARSET_LEN + 1)
+#define CURLFNM_DIGIT   (CURLFNM_CHARSET_LEN + 2)
+#define CURLFNM_XDIGIT  (CURLFNM_CHARSET_LEN + 3)
+#define CURLFNM_ALPHA   (CURLFNM_CHARSET_LEN + 4)
+#define CURLFNM_PRINT   (CURLFNM_CHARSET_LEN + 5)
+#define CURLFNM_BLANK   (CURLFNM_CHARSET_LEN + 6)
+#define CURLFNM_LOWER   (CURLFNM_CHARSET_LEN + 7)
+#define CURLFNM_GRAPH   (CURLFNM_CHARSET_LEN + 8)
+#define CURLFNM_SPACE   (CURLFNM_CHARSET_LEN + 9)
+#define CURLFNM_UPPER   (CURLFNM_CHARSET_LEN + 10)
+
+typedef enum {
+  CURLFNM_SCHS_DEFAULT = 0,
+  CURLFNM_SCHS_RIGHTBR,
+  CURLFNM_SCHS_RIGHTBRLEFTBR
+} setcharset_state;
+
+typedef enum {
+  CURLFNM_PKW_INIT = 0,
+  CURLFNM_PKW_DDOT
+} parsekey_state;
+
+typedef enum {
+  CCLASS_OTHER = 0,
+  CCLASS_DIGIT,
+  CCLASS_UPPER,
+  CCLASS_LOWER
+} char_class;
+
+#define SETCHARSET_OK     1
+#define SETCHARSET_FAIL   0
+
+static int parsekeyword(unsigned char **pattern, unsigned char *charset)
+{
+  parsekey_state state = CURLFNM_PKW_INIT;
+#define KEYLEN 10
+  char keyword[KEYLEN] = { 0 };
+  int found = FALSE;
+  int i;
+  unsigned char *p = *pattern;
+  for(i = 0; !found; i++) {
+    char c = *p++;
+    if(i >= KEYLEN)
+      return SETCHARSET_FAIL;
+    switch(state) {
+    case CURLFNM_PKW_INIT:
+      if(ISLOWER(c))
+        keyword[i] = c;
+      else if(c == ':')
+        state = CURLFNM_PKW_DDOT;
+      else
+        return SETCHARSET_FAIL;
+      break;
+    case CURLFNM_PKW_DDOT:
+      if(c == ']')
+        found = TRUE;
+      else
+        return SETCHARSET_FAIL;
+    }
+  }
+#undef KEYLEN
+
+  *pattern = p; /* move caller's pattern pointer */
+  if(strcmp(keyword, "digit") == 0)
+    charset[CURLFNM_DIGIT] = 1;
+  else if(strcmp(keyword, "alnum") == 0)
+    charset[CURLFNM_ALNUM] = 1;
+  else if(strcmp(keyword, "alpha") == 0)
+    charset[CURLFNM_ALPHA] = 1;
+  else if(strcmp(keyword, "xdigit") == 0)
+    charset[CURLFNM_XDIGIT] = 1;
+  else if(strcmp(keyword, "print") == 0)
+    charset[CURLFNM_PRINT] = 1;
+  else if(strcmp(keyword, "graph") == 0)
+    charset[CURLFNM_GRAPH] = 1;
+  else if(strcmp(keyword, "space") == 0)
+    charset[CURLFNM_SPACE] = 1;
+  else if(strcmp(keyword, "blank") == 0)
+    charset[CURLFNM_BLANK] = 1;
+  else if(strcmp(keyword, "upper") == 0)
+    charset[CURLFNM_UPPER] = 1;
+  else if(strcmp(keyword, "lower") == 0)
+    charset[CURLFNM_LOWER] = 1;
+  else
+    return SETCHARSET_FAIL;
+  return SETCHARSET_OK;
+}
+
+/* Return the character class. */
+static char_class charclass(unsigned char c)
+{
+  if(ISUPPER(c))
+    return CCLASS_UPPER;
+  if(ISLOWER(c))
+    return CCLASS_LOWER;
+  if(ISDIGIT(c))
+    return CCLASS_DIGIT;
+  return CCLASS_OTHER;
+}
+
+/* Include a character or a range in set. */
+static void setcharorrange(unsigned char **pp, unsigned char *charset)
+{
+  unsigned char *p = (*pp)++;
+  unsigned char c = *p++;
+
+  charset[c] = 1;
+  if(ISALNUM(c) && *p++ == '-') {
+    char_class cc = charclass(c);
+    unsigned char endrange = *p++;
+
+    if(endrange == '\\')
+      endrange = *p++;
+    if(endrange >= c && charclass(endrange) == cc) {
+      while(c++ != endrange)
+        if(charclass(c) == cc)  /* Chars in class may be not consecutive. */
+          charset[c] = 1;
+      *pp = p;
+    }
+  }
+}
+
+/* returns 1 (true) if pattern is OK, 0 if is bad ("p" is pattern pointer) */
+static int setcharset(unsigned char **p, unsigned char *charset)
+{
+  setcharset_state state = CURLFNM_SCHS_DEFAULT;
+  bool something_found = FALSE;
+  unsigned char c;
+
+  memset(charset, 0, CURLFNM_CHSET_SIZE);
+  for(;;) {
+    c = **p;
+    if(!c)
+      return SETCHARSET_FAIL;
+
+    switch(state) {
+    case CURLFNM_SCHS_DEFAULT:
+      if(c == ']') {
+        if(something_found)
+          return SETCHARSET_OK;
+        something_found = TRUE;
+        state = CURLFNM_SCHS_RIGHTBR;
+        charset[c] = 1;
+        (*p)++;
+      }
+      else if(c == '[') {
+        unsigned char *pp = *p + 1;
+
+        if(*pp++ == ':' && parsekeyword(&pp, charset))
+          *p = pp;
+        else {
+          charset[c] = 1;
+          (*p)++;
+        }
+        something_found = TRUE;
+      }
+      else if(c == '^' || c == '!') {
+        if(!something_found) {
+          if(charset[CURLFNM_NEGATE]) {
+            charset[c] = 1;
+            something_found = TRUE;
+          }
+          else
+            charset[CURLFNM_NEGATE] = 1; /* negate charset */
+        }
+        else
+          charset[c] = 1;
+        (*p)++;
+      }
+      else if(c == '\\') {
+        c = *(++(*p));
+        if(c)
+          setcharorrange(p, charset);
+        else
+          charset['\\'] = 1;
+        something_found = TRUE;
+      }
+      else {
+        setcharorrange(p, charset);
+        something_found = TRUE;
+      }
+      break;
+    case CURLFNM_SCHS_RIGHTBR:
+      if(c == '[') {
+        state = CURLFNM_SCHS_RIGHTBRLEFTBR;
+        charset[c] = 1;
+        (*p)++;
+      }
+      else if(c == ']') {
+        return SETCHARSET_OK;
+      }
+      else if(ISPRINT(c)) {
+        charset[c] = 1;
+        (*p)++;
+        state = CURLFNM_SCHS_DEFAULT;
+      }
+      else
+        /* used 'goto fail' instead of 'return SETCHARSET_FAIL' to avoid a
+         * nonsense warning 'statement not reached' at end of the fnc when
+         * compiling on Solaris */
+        goto fail;
+      break;
+    case CURLFNM_SCHS_RIGHTBRLEFTBR:
+      if(c == ']')
+        return SETCHARSET_OK;
+      state  = CURLFNM_SCHS_DEFAULT;
+      charset[c] = 1;
+      (*p)++;
+      break;
+    }
+  }
+fail:
+  return SETCHARSET_FAIL;
+}
+
+static int loop(const unsigned char *pattern, const unsigned char *string,
+                int maxstars)
+{
+  unsigned char *p = (unsigned char *)pattern;
+  unsigned char *s = (unsigned char *)string;
+  unsigned char charset[CURLFNM_CHSET_SIZE] = { 0 };
+
+  for(;;) {
+    unsigned char *pp;
+
+    switch(*p) {
+    case '*':
+      if(!maxstars)
+        return CURL_FNMATCH_NOMATCH;
+      /* Regroup consecutive stars and question marks. This can be done because
+         '*?*?*' can be expressed as '??*'. */
+      for(;;) {
+        if(*++p == '\0')
+          return CURL_FNMATCH_MATCH;
+        if(*p == '?') {
+          if(!*s++)
+            return CURL_FNMATCH_NOMATCH;
+        }
+        else if(*p != '*')
+          break;
+      }
+      /* Skip string characters until we find a match with pattern suffix. */
+      for(maxstars--; *s; s++) {
+        if(loop(p, s, maxstars) == CURL_FNMATCH_MATCH)
+          return CURL_FNMATCH_MATCH;
+      }
+      return CURL_FNMATCH_NOMATCH;
+    case '?':
+      if(!*s)
+        return CURL_FNMATCH_NOMATCH;
+      s++;
+      p++;
+      break;
+    case '\0':
+      return *s? CURL_FNMATCH_NOMATCH: CURL_FNMATCH_MATCH;
+    case '\\':
+      if(p[1])
+        p++;
+      if(*s++ != *p++)
+        return CURL_FNMATCH_NOMATCH;
+      break;
+    case '[':
+      pp = p + 1; /* Copy in case of syntax error in set. */
+      if(setcharset(&pp, charset)) {
+        int found = FALSE;
+        if(!*s)
+          return CURL_FNMATCH_NOMATCH;
+        if(charset[(unsigned int)*s])
+          found = TRUE;
+        else if(charset[CURLFNM_ALNUM])
+          found = ISALNUM(*s);
+        else if(charset[CURLFNM_ALPHA])
+          found = ISALPHA(*s);
+        else if(charset[CURLFNM_DIGIT])
+          found = ISDIGIT(*s);
+        else if(charset[CURLFNM_XDIGIT])
+          found = ISXDIGIT(*s);
+        else if(charset[CURLFNM_PRINT])
+          found = ISPRINT(*s);
+        else if(charset[CURLFNM_SPACE])
+          found = ISSPACE(*s);
+        else if(charset[CURLFNM_UPPER])
+          found = ISUPPER(*s);
+        else if(charset[CURLFNM_LOWER])
+          found = ISLOWER(*s);
+        else if(charset[CURLFNM_BLANK])
+          found = ISBLANK(*s);
+        else if(charset[CURLFNM_GRAPH])
+          found = ISGRAPH(*s);
+
+        if(charset[CURLFNM_NEGATE])
+          found = !found;
+
+        if(!found)
+          return CURL_FNMATCH_NOMATCH;
+        p = pp + 1;
+        s++;
+        break;
+      }
+      /* Syntax error in set; mismatch! */
+      return CURL_FNMATCH_NOMATCH;
+
+    default:
+      if(*p++ != *s++)
+        return CURL_FNMATCH_NOMATCH;
+      break;
+    }
+  }
+}
+
+/*
+ * @unittest: 1307
+ */
+int Curl_fnmatch(void *ptr, const char *pattern, const char *string)
+{
+  (void)ptr; /* the argument is specified by the curl_fnmatch_callback
+                prototype, but not used by Curl_fnmatch() */
+  if(!pattern || !string) {
+    return CURL_FNMATCH_FAIL;
+  }
+  return loop((unsigned char *)pattern, (unsigned char *)string, 2);
+}
+#else
+#include <fnmatch.h>
+/*
+ * @unittest: 1307
+ */
+int Curl_fnmatch(void *ptr, const char *pattern, const char *string)
+{
+  int rc;
+  (void)ptr; /* the argument is specified by the curl_fnmatch_callback
+                prototype, but not used by Curl_fnmatch() */
+  if(!pattern || !string) {
+    return CURL_FNMATCH_FAIL;
+  }
+  rc = fnmatch(pattern, string, 0);
+  switch(rc) {
+  case 0:
+    return CURL_FNMATCH_MATCH;
+  case FNM_NOMATCH:
+    return CURL_FNMATCH_NOMATCH;
+  default:
+    return CURL_FNMATCH_FAIL;
+  }
+  /* not reached */
+}
+
+#endif
Index: trunk/src/libs/curl-7.64.0/lib/curl_fnmatch.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_fnmatch.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_fnmatch.h	(revision 85671)
@@ -0,0 +1,44 @@
+#ifndef HEADER_CURL_FNMATCH_H
+#define HEADER_CURL_FNMATCH_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#define CURL_FNMATCH_MATCH    0
+#define CURL_FNMATCH_NOMATCH  1
+#define CURL_FNMATCH_FAIL     2
+
+/* default pattern matching function
+ * =================================
+ * Implemented with recursive backtracking, if you want to use Curl_fnmatch,
+ * please note that there is not implemented UTF/UNICODE support.
+ *
+ * Implemented features:
+ * '?' notation, does not match UTF characters
+ * '*' can also work with UTF string
+ * [a-zA-Z0-9] enumeration support
+ *
+ * keywords: alnum, digit, xdigit, alpha, print, blank, lower, graph, space
+ *           and upper (use as "[[:alnum:]]")
+ */
+int Curl_fnmatch(void *ptr, const char *pattern, const char *string);
+
+#endif /* HEADER_CURL_FNMATCH_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_gethostname.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_gethostname.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_gethostname.c	(revision 85671)
@@ -0,0 +1,100 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include "curl_gethostname.h"
+
+/*
+ * Curl_gethostname() is a wrapper around gethostname() which allows
+ * overriding the host name that the function would normally return.
+ * This capability is used by the test suite to verify exact matching
+ * of NTLM authentication, which exercises libcurl's MD4 and DES code
+ * as well as by the SMTP module when a hostname is not provided.
+ *
+ * For libcurl debug enabled builds host name overriding takes place
+ * when environment variable CURL_GETHOSTNAME is set, using the value
+ * held by the variable to override returned host name.
+ *
+ * Note: The function always returns the un-qualified hostname rather
+ * than being provider dependent.
+ *
+ * For libcurl shared library release builds the test suite preloads
+ * another shared library named libhostname using the LD_PRELOAD
+ * mechanism which intercepts, and might override, the gethostname()
+ * function call. In this case a given platform must support the
+ * LD_PRELOAD mechanism and additionally have environment variable
+ * CURL_GETHOSTNAME set in order to override the returned host name.
+ *
+ * For libcurl static library release builds no overriding takes place.
+ */
+
+int Curl_gethostname(char *name, GETHOSTNAME_TYPE_ARG2 namelen)
+{
+#ifndef HAVE_GETHOSTNAME
+
+  /* Allow compilation and return failure when unavailable */
+  (void) name;
+  (void) namelen;
+  return -1;
+
+#else
+  int err;
+  char *dot;
+
+#ifdef DEBUGBUILD
+
+  /* Override host name when environment variable CURL_GETHOSTNAME is set */
+  const char *force_hostname = getenv("CURL_GETHOSTNAME");
+  if(force_hostname) {
+    strncpy(name, force_hostname, namelen);
+    err = 0;
+  }
+  else {
+    name[0] = '\0';
+    err = gethostname(name, namelen);
+  }
+
+#else /* DEBUGBUILD */
+
+  /* The call to system's gethostname() might get intercepted by the
+     libhostname library when libcurl is built as a non-debug shared
+     library when running the test suite. */
+  name[0] = '\0';
+  err = gethostname(name, namelen);
+
+#endif
+
+  name[namelen - 1] = '\0';
+
+  if(err)
+    return err;
+
+  /* Truncate domain, leave only machine name */
+  dot = strchr(name, '.');
+  if(dot)
+    *dot = '\0';
+
+  return 0;
+#endif
+
+}
Index: trunk/src/libs/curl-7.64.0/lib/curl_gethostname.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_gethostname.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_gethostname.h	(revision 85671)
@@ -0,0 +1,31 @@
+#ifndef HEADER_CURL_GETHOSTNAME_H
+#define HEADER_CURL_GETHOSTNAME_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* Hostname buffer size */
+#define HOSTNAME_MAX 1024
+
+/* This returns the local machine's un-qualified hostname */
+int Curl_gethostname(char *name, GETHOSTNAME_TYPE_ARG2 namelen);
+
+#endif /* HEADER_CURL_GETHOSTNAME_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_gssapi.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_gssapi.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_gssapi.c	(revision 85671)
@@ -0,0 +1,136 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2011 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_GSSAPI
+
+#include "curl_gssapi.h"
+#include "sendf.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+static char spnego_oid_bytes[] = "\x2b\x06\x01\x05\x05\x02";
+gss_OID_desc Curl_spnego_mech_oid = { 6, &spnego_oid_bytes };
+static char krb5_oid_bytes[] = "\x2a\x86\x48\x86\xf7\x12\x01\x02\x02";
+gss_OID_desc Curl_krb5_mech_oid = { 9, &krb5_oid_bytes };
+
+OM_uint32 Curl_gss_init_sec_context(
+    struct Curl_easy *data,
+    OM_uint32 *minor_status,
+    gss_ctx_id_t *context,
+    gss_name_t target_name,
+    gss_OID mech_type,
+    gss_channel_bindings_t input_chan_bindings,
+    gss_buffer_t input_token,
+    gss_buffer_t output_token,
+    const bool mutual_auth,
+    OM_uint32 *ret_flags)
+{
+  OM_uint32 req_flags = GSS_C_REPLAY_FLAG;
+
+  if(mutual_auth)
+    req_flags |= GSS_C_MUTUAL_FLAG;
+
+  if(data->set.gssapi_delegation & CURLGSSAPI_DELEGATION_POLICY_FLAG) {
+#ifdef GSS_C_DELEG_POLICY_FLAG
+    req_flags |= GSS_C_DELEG_POLICY_FLAG;
+#else
+    infof(data, "warning: support for CURLGSSAPI_DELEGATION_POLICY_FLAG not "
+        "compiled in\n");
+#endif
+  }
+
+  if(data->set.gssapi_delegation & CURLGSSAPI_DELEGATION_FLAG)
+    req_flags |= GSS_C_DELEG_FLAG;
+
+  return gss_init_sec_context(minor_status,
+                              GSS_C_NO_CREDENTIAL, /* cred_handle */
+                              context,
+                              target_name,
+                              mech_type,
+                              req_flags,
+                              0, /* time_req */
+                              input_chan_bindings,
+                              input_token,
+                              NULL, /* actual_mech_type */
+                              output_token,
+                              ret_flags,
+                              NULL /* time_rec */);
+}
+
+#define GSS_LOG_BUFFER_LEN 1024
+static size_t display_gss_error(OM_uint32 status, int type,
+                                char *buf, size_t len) {
+  OM_uint32 maj_stat;
+  OM_uint32 min_stat;
+  OM_uint32 msg_ctx = 0;
+  gss_buffer_desc status_string;
+
+  do {
+    maj_stat = gss_display_status(&min_stat,
+                                  status,
+                                  type,
+                                  GSS_C_NO_OID,
+                                  &msg_ctx,
+                                  &status_string);
+    if(GSS_LOG_BUFFER_LEN > len + status_string.length + 3) {
+      len += msnprintf(buf + len, GSS_LOG_BUFFER_LEN - len,
+                       "%.*s. ", (int)status_string.length,
+                       (char *)status_string.value);
+    }
+    gss_release_buffer(&min_stat, &status_string);
+  } while(!GSS_ERROR(maj_stat) && msg_ctx != 0);
+
+  return len;
+}
+
+/*
+ * Curl_gss_log_error()
+ *
+ * This is used to log a GSS-API error status.
+ *
+ * Parameters:
+ *
+ * data    [in] - The session handle.
+ * prefix  [in] - The prefix of the log message.
+ * major   [in] - The major status code.
+ * minor   [in] - The minor status code.
+ */
+void Curl_gss_log_error(struct Curl_easy *data, const char *prefix,
+                        OM_uint32 major, OM_uint32 minor)
+{
+  char buf[GSS_LOG_BUFFER_LEN];
+  size_t len = 0;
+
+  if(major != GSS_S_FAILURE)
+    len = display_gss_error(major, GSS_C_GSS_CODE, buf, len);
+
+  display_gss_error(minor, GSS_C_MECH_CODE, buf, len);
+
+  infof(data, "%s%s\n", prefix, buf);
+}
+
+#endif /* HAVE_GSSAPI */
Index: trunk/src/libs/curl-7.64.0/lib/curl_gssapi.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_gssapi.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_gssapi.h	(revision 85671)
@@ -0,0 +1,75 @@
+#ifndef HEADER_CURL_GSSAPI_H
+#define HEADER_CURL_GSSAPI_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2011 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+#include "urldata.h"
+
+#ifdef HAVE_GSSAPI
+
+#ifdef HAVE_GSSGNU
+#  include <gss.h>
+#elif defined HAVE_GSSMIT
+   /* MIT style */
+#  include <gssapi/gssapi.h>
+#  include <gssapi/gssapi_generic.h>
+#  include <gssapi/gssapi_krb5.h>
+#else
+   /* Heimdal-style */
+#  include <gssapi.h>
+#endif
+
+extern gss_OID_desc Curl_spnego_mech_oid;
+extern gss_OID_desc Curl_krb5_mech_oid;
+
+/* Common method for using GSS-API */
+OM_uint32 Curl_gss_init_sec_context(
+    struct Curl_easy *data,
+    OM_uint32 *minor_status,
+    gss_ctx_id_t *context,
+    gss_name_t target_name,
+    gss_OID mech_type,
+    gss_channel_bindings_t input_chan_bindings,
+    gss_buffer_t input_token,
+    gss_buffer_t output_token,
+    const bool mutual_auth,
+    OM_uint32 *ret_flags);
+
+/* Helper to log a GSS-API error status */
+void Curl_gss_log_error(struct Curl_easy *data, const char *prefix,
+                        OM_uint32 major, OM_uint32 minor);
+
+/* Provide some definitions missing in old headers */
+#ifdef HAVE_OLD_GSSMIT
+#define GSS_C_NT_HOSTBASED_SERVICE gss_nt_service_name
+#define NCOMPAT 1
+#endif
+
+/* Define our privacy and integrity protection values */
+#define GSSAUTH_P_NONE      1
+#define GSSAUTH_P_INTEGRITY 2
+#define GSSAUTH_P_PRIVACY   4
+
+#endif /* HAVE_GSSAPI */
+
+#endif /* HEADER_CURL_GSSAPI_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_hmac.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_hmac.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_hmac.h	(revision 85671)
@@ -0,0 +1,67 @@
+#ifndef HEADER_CURL_HMAC_H
+#define HEADER_CURL_HMAC_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+
+typedef void    (* HMAC_hinit_func)(void *context);
+typedef void    (* HMAC_hupdate_func)(void *context,
+                                      const unsigned char *data,
+                                      unsigned int len);
+typedef void    (* HMAC_hfinal_func)(unsigned char *result, void *context);
+
+
+/* Per-hash function HMAC parameters. */
+
+typedef struct {
+  HMAC_hinit_func       hmac_hinit;     /* Initialize context procedure. */
+  HMAC_hupdate_func     hmac_hupdate;   /* Update context with data. */
+  HMAC_hfinal_func      hmac_hfinal;    /* Get final result procedure. */
+  unsigned int          hmac_ctxtsize;  /* Context structure size. */
+  unsigned int          hmac_maxkeylen; /* Maximum key length (bytes). */
+  unsigned int          hmac_resultlen; /* Result length (bytes). */
+} HMAC_params;
+
+
+/* HMAC computation context. */
+
+typedef struct {
+  const HMAC_params *hmac_hash; /* Hash function definition. */
+  void *hmac_hashctxt1;         /* Hash function context 1. */
+  void *hmac_hashctxt2;         /* Hash function context 2. */
+} HMAC_context;
+
+
+/* Prototypes. */
+
+HMAC_context * Curl_HMAC_init(const HMAC_params *hashparams,
+                              const unsigned char *key,
+                              unsigned int keylen);
+int Curl_HMAC_update(HMAC_context *context,
+                     const unsigned char *data,
+                     unsigned int len);
+int Curl_HMAC_final(HMAC_context *context, unsigned char *result);
+
+#endif
+
+#endif /* HEADER_CURL_HMAC_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_ldap.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_ldap.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_ldap.h	(revision 85671)
@@ -0,0 +1,34 @@
+#ifndef HEADER_CURL_LDAP_H
+#define HEADER_CURL_LDAP_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#ifndef CURL_DISABLE_LDAP
+extern const struct Curl_handler Curl_handler_ldap;
+
+#if !defined(CURL_DISABLE_LDAPS) && \
+    ((defined(USE_OPENLDAP) && defined(USE_SSL)) || \
+     (!defined(USE_OPENLDAP) && defined(HAVE_LDAP_SSL)))
+extern const struct Curl_handler Curl_handler_ldaps;
+#endif
+
+#endif
+#endif /* HEADER_CURL_LDAP_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_md4.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_md4.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_md4.h	(revision 85671)
@@ -0,0 +1,35 @@
+#ifndef HEADER_CURL_MD4_H
+#define HEADER_CURL_MD4_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(USE_NSS) || defined(USE_OS400CRYPTO) || \
+    (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C))
+
+void Curl_md4it(unsigned char *output, const unsigned char *input, size_t len);
+
+#endif /* defined(USE_NSS) || defined(USE_OS400CRYPTO) ||
+    (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C)) */
+
+#endif /* HEADER_CURL_MD4_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_md5.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_md5.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_md5.h	(revision 85671)
@@ -0,0 +1,63 @@
+#ifndef HEADER_CURL_MD5_H
+#define HEADER_CURL_MD5_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+#include "curl_hmac.h"
+
+#define MD5_DIGEST_LEN  16
+
+typedef void (* Curl_MD5_init_func)(void *context);
+typedef void (* Curl_MD5_update_func)(void *context,
+                                      const unsigned char *data,
+                                      unsigned int len);
+typedef void (* Curl_MD5_final_func)(unsigned char *result, void *context);
+
+typedef struct {
+  Curl_MD5_init_func     md5_init_func;   /* Initialize context procedure */
+  Curl_MD5_update_func   md5_update_func; /* Update context with data */
+  Curl_MD5_final_func    md5_final_func;  /* Get final result procedure */
+  unsigned int           md5_ctxtsize;  /* Context structure size */
+  unsigned int           md5_resultlen; /* Result length (bytes) */
+} MD5_params;
+
+typedef struct {
+  const MD5_params      *md5_hash;      /* Hash function definition */
+  void                  *md5_hashctx;   /* Hash function context */
+} MD5_context;
+
+extern const MD5_params Curl_DIGEST_MD5[1];
+extern const HMAC_params Curl_HMAC_MD5[1];
+
+void Curl_md5it(unsigned char *output,
+                const unsigned char *input);
+
+MD5_context * Curl_MD5_init(const MD5_params *md5params);
+int Curl_MD5_update(MD5_context *context,
+                    const unsigned char *data,
+                    unsigned int len);
+int Curl_MD5_final(MD5_context *context, unsigned char *result);
+
+#endif
+
+#endif /* HEADER_CURL_MD5_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_memory.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_memory.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_memory.h	(revision 85671)
@@ -0,0 +1,156 @@
+#ifndef HEADER_CURL_MEMORY_H
+#define HEADER_CURL_MEMORY_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Nasty internal details ahead...
+ *
+ * File curl_memory.h must be included by _all_ *.c source files
+ * that use memory related functions strdup, malloc, calloc, realloc
+ * or free, and given source file is used to build libcurl library.
+ * It should be included immediately before memdebug.h as the last files
+ * included to avoid undesired interaction with other memory function
+ * headers in dependent libraries.
+ *
+ * There is nearly no exception to above rule. All libcurl source
+ * files in 'lib' subdirectory as well as those living deep inside
+ * 'packages' subdirectories and linked together in order to build
+ * libcurl library shall follow it.
+ *
+ * File lib/strdup.c is an exception, given that it provides a strdup
+ * clone implementation while using malloc. Extra care needed inside
+ * this one. TODO: revisit this paragraph and related code.
+ *
+ * The need for curl_memory.h inclusion is due to libcurl's feature
+ * of allowing library user to provide memory replacement functions,
+ * memory callbacks, at runtime with curl_global_init_mem()
+ *
+ * Any *.c source file used to build libcurl library that does not
+ * include curl_memory.h and uses any memory function of the five
+ * mentioned above will compile without any indication, but it will
+ * trigger weird memory related issues at runtime.
+ *
+ * OTOH some source files from 'lib' subdirectory may additionally be
+ * used directly as source code when using some curlx_ functions by
+ * third party programs that don't even use libcurl at all. When using
+ * these source files in this way it is necessary these are compiled
+ * with CURLX_NO_MEMORY_CALLBACKS defined, in order to ensure that no
+ * attempt of calling libcurl's memory callbacks is done from code
+ * which can not use this machinery.
+ *
+ * Notice that libcurl's 'memory tracking' system works chaining into
+ * the memory callback machinery. This implies that when compiling
+ * 'lib' source files with CURLX_NO_MEMORY_CALLBACKS defined this file
+ * disengages usage of libcurl's 'memory tracking' system, defining
+ * MEMDEBUG_NODEFINES and overriding CURLDEBUG purpose.
+ *
+ * CURLX_NO_MEMORY_CALLBACKS takes precedence over CURLDEBUG. This is
+ * done in order to allow building a 'memory tracking' enabled libcurl
+ * and at the same time allow building programs which do not use it.
+ *
+ * Programs and libraries in 'tests' subdirectories have specific
+ * purposes and needs, and as such each one will use whatever fits
+ * best, depending additionally whether it links with libcurl or not.
+ *
+ * Caveat emptor. Proper curlx_* separation is a work in progress
+ * the same as CURLX_NO_MEMORY_CALLBACKS usage, some adjustments may
+ * still be required. IOW don't use them yet, there are sharp edges.
+ */
+
+#ifdef HEADER_CURL_MEMDEBUG_H
+#error "Header memdebug.h shall not be included before curl_memory.h"
+#endif
+
+#ifndef CURLX_NO_MEMORY_CALLBACKS
+
+#ifndef CURL_DID_MEMORY_FUNC_TYPEDEFS /* only if not already done */
+/*
+ * The following memory function replacement typedef's are COPIED from
+ * curl/curl.h and MUST match the originals. We copy them to avoid having to
+ * include curl/curl.h here. We avoid that include since it includes stdio.h
+ * and other headers that may get messed up with defines done here.
+ */
+typedef void *(*curl_malloc_callback)(size_t size);
+typedef void (*curl_free_callback)(void *ptr);
+typedef void *(*curl_realloc_callback)(void *ptr, size_t size);
+typedef char *(*curl_strdup_callback)(const char *str);
+typedef void *(*curl_calloc_callback)(size_t nmemb, size_t size);
+#define CURL_DID_MEMORY_FUNC_TYPEDEFS
+#endif
+
+extern curl_malloc_callback Curl_cmalloc;
+extern curl_free_callback Curl_cfree;
+extern curl_realloc_callback Curl_crealloc;
+extern curl_strdup_callback Curl_cstrdup;
+extern curl_calloc_callback Curl_ccalloc;
+#if defined(WIN32) && defined(UNICODE)
+extern curl_wcsdup_callback Curl_cwcsdup;
+#endif
+
+#ifndef CURLDEBUG
+
+/*
+ * libcurl's 'memory tracking' system defines strdup, malloc, calloc,
+ * realloc and free, along with others, in memdebug.h in a different
+ * way although still using memory callbacks forward declared above.
+ * When using the 'memory tracking' system (CURLDEBUG defined) we do
+ * not define here the five memory functions given that definitions
+ * from memdebug.h are the ones that shall be used.
+ */
+
+#undef strdup
+#define strdup(ptr) Curl_cstrdup(ptr)
+#undef malloc
+#define malloc(size) Curl_cmalloc(size)
+#undef calloc
+#define calloc(nbelem,size) Curl_ccalloc(nbelem, size)
+#undef realloc
+#define realloc(ptr,size) Curl_crealloc(ptr, size)
+#undef free
+#define free(ptr) Curl_cfree(ptr)
+
+#ifdef WIN32
+#  ifdef UNICODE
+#    undef wcsdup
+#    define wcsdup(ptr) Curl_cwcsdup(ptr)
+#    undef _wcsdup
+#    define _wcsdup(ptr) Curl_cwcsdup(ptr)
+#    undef _tcsdup
+#    define _tcsdup(ptr) Curl_cwcsdup(ptr)
+#  else
+#    undef _tcsdup
+#    define _tcsdup(ptr) Curl_cstrdup(ptr)
+#  endif
+#endif
+
+#endif /* CURLDEBUG */
+
+#else /* CURLX_NO_MEMORY_CALLBACKS */
+
+#ifndef MEMDEBUG_NODEFINES
+#define MEMDEBUG_NODEFINES
+#endif
+
+#endif /* CURLX_NO_MEMORY_CALLBACKS */
+
+#endif /* HEADER_CURL_MEMORY_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_memrchr.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_memrchr.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_memrchr.c	(revision 85671)
@@ -0,0 +1,62 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#include "curl_memrchr.h"
+#include "curl_memory.h"
+
+/* The last #include file should be: */
+#include "memdebug.h"
+
+#ifndef HAVE_MEMRCHR
+
+/*
+ * Curl_memrchr()
+ *
+ * Our memrchr() function clone for systems which lack this function. The
+ * memrchr() function is like the memchr() function, except that it searches
+ * backwards from the end of the n bytes pointed to by s instead of forward
+ * from the beginning.
+ */
+
+void *
+Curl_memrchr(const void *s, int c, size_t n)
+{
+  if(n > 0) {
+    const unsigned char *p = s;
+    const unsigned char *q = s;
+
+    p += n - 1;
+
+    while(p >= q) {
+      if(*p == (unsigned char)c)
+        return (void *)p;
+      p--;
+    }
+  }
+  return NULL;
+}
+
+#endif /* HAVE_MEMRCHR */
Index: trunk/src/libs/curl-7.64.0/lib/curl_memrchr.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_memrchr.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_memrchr.h	(revision 85671)
@@ -0,0 +1,44 @@
+#ifndef HEADER_CURL_MEMRCHR_H
+#define HEADER_CURL_MEMRCHR_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_MEMRCHR
+
+#ifdef HAVE_STRING_H
+#  include <string.h>
+#endif
+#ifdef HAVE_STRINGS_H
+#  include <strings.h>
+#endif
+
+#else /* HAVE_MEMRCHR */
+
+void *Curl_memrchr(const void *s, int c, size_t n);
+
+#define memrchr(x,y,z) Curl_memrchr((x),(y),(z))
+
+#endif /* HAVE_MEMRCHR */
+
+#endif /* HEADER_CURL_MEMRCHR_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_multibyte.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_multibyte.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_multibyte.c	(revision 85671)
@@ -0,0 +1,84 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#if defined(USE_WIN32_IDN) || ((defined(USE_WINDOWS_SSPI) || \
+                                defined(USE_WIN32_LDAP)) && defined(UNICODE))
+
+ /*
+  * MultiByte conversions using Windows kernel32 library.
+  */
+
+#include "curl_multibyte.h"
+#include "curl_memory.h"
+
+/* The last #include file should be: */
+#include "memdebug.h"
+
+wchar_t *Curl_convert_UTF8_to_wchar(const char *str_utf8)
+{
+  wchar_t *str_w = NULL;
+
+  if(str_utf8) {
+    int str_w_len = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS,
+                                        str_utf8, -1, NULL, 0);
+    if(str_w_len > 0) {
+      str_w = malloc(str_w_len * sizeof(wchar_t));
+      if(str_w) {
+        if(MultiByteToWideChar(CP_UTF8, 0, str_utf8, -1, str_w,
+                               str_w_len) == 0) {
+          free(str_w);
+          return NULL;
+        }
+      }
+    }
+  }
+
+  return str_w;
+}
+
+char *Curl_convert_wchar_to_UTF8(const wchar_t *str_w)
+{
+  char *str_utf8 = NULL;
+
+  if(str_w) {
+    int bytes = WideCharToMultiByte(CP_UTF8, 0, str_w, -1,
+                                    NULL, 0, NULL, NULL);
+    if(bytes > 0) {
+      str_utf8 = malloc(bytes);
+      if(str_utf8) {
+        if(WideCharToMultiByte(CP_UTF8, 0, str_w, -1, str_utf8, bytes,
+                               NULL, NULL) == 0) {
+          free(str_utf8);
+          return NULL;
+        }
+      }
+    }
+  }
+
+  return str_utf8;
+}
+
+#endif /* USE_WIN32_IDN || ((USE_WINDOWS_SSPI || USE_WIN32_LDAP) && UNICODE) */
Index: trunk/src/libs/curl-7.64.0/lib/curl_multibyte.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_multibyte.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_multibyte.h	(revision 85671)
@@ -0,0 +1,92 @@
+#ifndef HEADER_CURL_MULTIBYTE_H
+#define HEADER_CURL_MULTIBYTE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#if defined(USE_WIN32_IDN) || ((defined(USE_WINDOWS_SSPI) || \
+                                defined(USE_WIN32_LDAP)) && defined(UNICODE))
+
+ /*
+  * MultiByte conversions using Windows kernel32 library.
+  */
+
+wchar_t *Curl_convert_UTF8_to_wchar(const char *str_utf8);
+char *Curl_convert_wchar_to_UTF8(const wchar_t *str_w);
+
+#endif /* USE_WIN32_IDN || ((USE_WINDOWS_SSPI || USE_WIN32_LDAP) && UNICODE) */
+
+
+#if defined(USE_WIN32_IDN) || defined(USE_WINDOWS_SSPI) || \
+    defined(USE_WIN32_LDAP)
+
+/*
+ * Macros Curl_convert_UTF8_to_tchar(), Curl_convert_tchar_to_UTF8()
+ * and Curl_unicodefree() main purpose is to minimize the number of
+ * preprocessor conditional directives needed by code using these
+ * to differentiate UNICODE from non-UNICODE builds.
+ *
+ * When building with UNICODE defined, this two macros
+ * Curl_convert_UTF8_to_tchar() and Curl_convert_tchar_to_UTF8()
+ * return a pointer to a newly allocated memory area holding result.
+ * When the result is no longer needed, allocated memory is intended
+ * to be free'ed with Curl_unicodefree().
+ *
+ * When building without UNICODE defined, this macros
+ * Curl_convert_UTF8_to_tchar() and Curl_convert_tchar_to_UTF8()
+ * return the pointer received as argument. Curl_unicodefree() does
+ * no actual free'ing of this pointer it is simply set to NULL.
+ */
+
+#ifdef UNICODE
+
+#define Curl_convert_UTF8_to_tchar(ptr) Curl_convert_UTF8_to_wchar((ptr))
+#define Curl_convert_tchar_to_UTF8(ptr) Curl_convert_wchar_to_UTF8((ptr))
+#define Curl_unicodefree(ptr) \
+  do {if((ptr)) {free((ptr)); (ptr) = NULL;}} WHILE_FALSE
+
+typedef union {
+  unsigned short       *tchar_ptr;
+  const unsigned short *const_tchar_ptr;
+  unsigned short       *tbyte_ptr;
+  const unsigned short *const_tbyte_ptr;
+} xcharp_u;
+
+#else
+
+#define Curl_convert_UTF8_to_tchar(ptr) (ptr)
+#define Curl_convert_tchar_to_UTF8(ptr) (ptr)
+#define Curl_unicodefree(ptr) \
+  do {(ptr) = NULL;} WHILE_FALSE
+
+typedef union {
+  char                *tchar_ptr;
+  const char          *const_tchar_ptr;
+  unsigned char       *tbyte_ptr;
+  const unsigned char *const_tbyte_ptr;
+} xcharp_u;
+
+#endif /* UNICODE */
+
+#endif /* USE_WIN32_IDN || USE_WINDOWS_SSPI || USE_WIN32_LDAP */
+
+#endif /* HEADER_CURL_MULTIBYTE_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_ntlm_core.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_ntlm_core.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_ntlm_core.c	(revision 85671)
@@ -0,0 +1,819 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(USE_NTLM)
+
+/*
+ * NTLM details:
+ *
+ * https://davenport.sourceforge.io/ntlm.html
+ * https://www.innovation.ch/java/ntlm.html
+ */
+
+/* Please keep the SSL backend-specific #if branches in this order:
+
+   1. USE_OPENSSL
+   2. USE_GNUTLS_NETTLE
+   3. USE_GNUTLS
+   4. USE_NSS
+   5. USE_MBEDTLS
+   6. USE_DARWINSSL
+   7. USE_OS400CRYPTO
+   8. USE_WIN32_CRYPTO
+
+   This ensures that:
+   - the same SSL branch gets activated throughout this source
+     file even if multiple backends are enabled at the same time.
+   - OpenSSL and NSS have higher priority than Windows Crypt, due
+     to issues with the latter supporting NTLM2Session responses
+     in NTLM type-3 messages.
+ */
+
+#if !defined(USE_WINDOWS_SSPI) || defined(USE_WIN32_CRYPTO)
+
+#ifdef USE_OPENSSL
+
+#  include <openssl/des.h>
+#  ifndef OPENSSL_NO_MD4
+#    include <openssl/md4.h>
+#  endif
+#  include <openssl/md5.h>
+#  include <openssl/ssl.h>
+#  include <openssl/rand.h>
+#  if (OPENSSL_VERSION_NUMBER < 0x00907001L)
+#    define DES_key_schedule des_key_schedule
+#    define DES_cblock des_cblock
+#    define DES_set_odd_parity des_set_odd_parity
+#    define DES_set_key des_set_key
+#    define DES_ecb_encrypt des_ecb_encrypt
+#    define DESKEY(x) x
+#    define DESKEYARG(x) x
+#  else
+#    define DESKEYARG(x) *x
+#    define DESKEY(x) &x
+#  endif
+
+#elif defined(USE_GNUTLS_NETTLE)
+
+#  include <nettle/des.h>
+#  include <nettle/md4.h>
+
+#elif defined(USE_GNUTLS)
+
+#  include <gcrypt.h>
+#  define MD5_DIGEST_LENGTH 16
+#  define MD4_DIGEST_LENGTH 16
+
+#elif defined(USE_NSS)
+
+#  include <nss.h>
+#  include <pk11pub.h>
+#  include <hasht.h>
+#  include "curl_md4.h"
+#  define MD5_DIGEST_LENGTH MD5_LENGTH
+
+#elif defined(USE_MBEDTLS)
+
+#  include <mbedtls/des.h>
+#  include <mbedtls/md4.h>
+#  if !defined(MBEDTLS_MD4_C)
+#    include "curl_md4.h"
+#  endif
+
+#elif defined(USE_DARWINSSL)
+
+#  include <CommonCrypto/CommonCryptor.h>
+#  include <CommonCrypto/CommonDigest.h>
+
+#elif defined(USE_OS400CRYPTO)
+#  include "cipher.mih"  /* mih/cipher */
+#  include "curl_md4.h"
+#elif defined(USE_WIN32_CRYPTO)
+#  include <wincrypt.h>
+#else
+#  error "Can't compile NTLM support without a crypto library."
+#endif
+
+#include "urldata.h"
+#include "non-ascii.h"
+#include "strcase.h"
+#include "curl_ntlm_core.h"
+#include "curl_md5.h"
+#include "curl_hmac.h"
+#include "warnless.h"
+#include "curl_endian.h"
+#include "curl_des.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#define NTLM_HMAC_MD5_LEN     (16)
+#define NTLMv2_BLOB_SIGNATURE "\x01\x01\x00\x00"
+#define NTLMv2_BLOB_LEN       (44 -16 + ntlm->target_info_len + 4)
+
+/*
+* Turns a 56-bit key into being 64-bit wide.
+*/
+static void extend_key_56_to_64(const unsigned char *key_56, char *key)
+{
+  key[0] = key_56[0];
+  key[1] = (unsigned char)(((key_56[0] << 7) & 0xFF) | (key_56[1] >> 1));
+  key[2] = (unsigned char)(((key_56[1] << 6) & 0xFF) | (key_56[2] >> 2));
+  key[3] = (unsigned char)(((key_56[2] << 5) & 0xFF) | (key_56[3] >> 3));
+  key[4] = (unsigned char)(((key_56[3] << 4) & 0xFF) | (key_56[4] >> 4));
+  key[5] = (unsigned char)(((key_56[4] << 3) & 0xFF) | (key_56[5] >> 5));
+  key[6] = (unsigned char)(((key_56[5] << 2) & 0xFF) | (key_56[6] >> 6));
+  key[7] = (unsigned char) ((key_56[6] << 1) & 0xFF);
+}
+
+#ifdef USE_OPENSSL
+/*
+ * Turns a 56 bit key into the 64 bit, odd parity key and sets the key.  The
+ * key schedule ks is also set.
+ */
+static void setup_des_key(const unsigned char *key_56,
+                          DES_key_schedule DESKEYARG(ks))
+{
+  DES_cblock key;
+
+  /* Expand the 56-bit key to 64-bits */
+  extend_key_56_to_64(key_56, (char *) &key);
+
+  /* Set the key parity to odd */
+  DES_set_odd_parity(&key);
+
+  /* Set the key */
+  DES_set_key(&key, ks);
+}
+
+#elif defined(USE_GNUTLS_NETTLE)
+
+static void setup_des_key(const unsigned char *key_56,
+                          struct des_ctx *des)
+{
+  char key[8];
+
+  /* Expand the 56-bit key to 64-bits */
+  extend_key_56_to_64(key_56, key);
+
+  /* Set the key parity to odd */
+  Curl_des_set_odd_parity((unsigned char *) key, sizeof(key));
+
+  /* Set the key */
+  des_set_key(des, (const uint8_t *) key);
+}
+
+#elif defined(USE_GNUTLS)
+
+/*
+ * Turns a 56 bit key into the 64 bit, odd parity key and sets the key.
+ */
+static void setup_des_key(const unsigned char *key_56,
+                          gcry_cipher_hd_t *des)
+{
+  char key[8];
+
+  /* Expand the 56-bit key to 64-bits */
+  extend_key_56_to_64(key_56, key);
+
+  /* Set the key parity to odd */
+  Curl_des_set_odd_parity((unsigned char *) key, sizeof(key));
+
+  /* Set the key */
+  gcry_cipher_setkey(*des, key, sizeof(key));
+}
+
+#elif defined(USE_NSS)
+
+/*
+ * Expands a 56 bit key KEY_56 to 64 bit and encrypts 64 bit of data, using
+ * the expanded key.  The caller is responsible for giving 64 bit of valid
+ * data is IN and (at least) 64 bit large buffer as OUT.
+ */
+static bool encrypt_des(const unsigned char *in, unsigned char *out,
+                        const unsigned char *key_56)
+{
+  const CK_MECHANISM_TYPE mech = CKM_DES_ECB; /* DES cipher in ECB mode */
+  PK11SlotInfo *slot = NULL;
+  char key[8];                                /* expanded 64 bit key */
+  SECItem key_item;
+  PK11SymKey *symkey = NULL;
+  SECItem *param = NULL;
+  PK11Context *ctx = NULL;
+  int out_len;                                /* not used, required by NSS */
+  bool rv = FALSE;
+
+  /* use internal slot for DES encryption (requires NSS to be initialized) */
+  slot = PK11_GetInternalKeySlot();
+  if(!slot)
+    return FALSE;
+
+  /* Expand the 56-bit key to 64-bits */
+  extend_key_56_to_64(key_56, key);
+
+  /* Set the key parity to odd */
+  Curl_des_set_odd_parity((unsigned char *) key, sizeof(key));
+
+  /* Import the key */
+  key_item.data = (unsigned char *)key;
+  key_item.len = sizeof(key);
+  symkey = PK11_ImportSymKey(slot, mech, PK11_OriginUnwrap, CKA_ENCRYPT,
+                             &key_item, NULL);
+  if(!symkey)
+    goto fail;
+
+  /* Create the DES encryption context */
+  param = PK11_ParamFromIV(mech, /* no IV in ECB mode */ NULL);
+  if(!param)
+    goto fail;
+  ctx = PK11_CreateContextBySymKey(mech, CKA_ENCRYPT, symkey, param);
+  if(!ctx)
+    goto fail;
+
+  /* Perform the encryption */
+  if(SECSuccess == PK11_CipherOp(ctx, out, &out_len, /* outbuflen */ 8,
+                                 (unsigned char *)in, /* inbuflen */ 8)
+      && SECSuccess == PK11_Finalize(ctx))
+    rv = /* all OK */ TRUE;
+
+fail:
+  /* cleanup */
+  if(ctx)
+    PK11_DestroyContext(ctx, PR_TRUE);
+  if(symkey)
+    PK11_FreeSymKey(symkey);
+  if(param)
+    SECITEM_FreeItem(param, PR_TRUE);
+  PK11_FreeSlot(slot);
+  return rv;
+}
+
+#elif defined(USE_MBEDTLS)
+
+static bool encrypt_des(const unsigned char *in, unsigned char *out,
+                        const unsigned char *key_56)
+{
+  mbedtls_des_context ctx;
+  char key[8];
+
+  /* Expand the 56-bit key to 64-bits */
+  extend_key_56_to_64(key_56, key);
+
+  /* Set the key parity to odd */
+  mbedtls_des_key_set_parity((unsigned char *) key);
+
+  /* Perform the encryption */
+  mbedtls_des_init(&ctx);
+  mbedtls_des_setkey_enc(&ctx, (unsigned char *) key);
+  return mbedtls_des_crypt_ecb(&ctx, in, out) == 0;
+}
+
+#elif defined(USE_DARWINSSL)
+
+static bool encrypt_des(const unsigned char *in, unsigned char *out,
+                        const unsigned char *key_56)
+{
+  char key[8];
+  size_t out_len;
+  CCCryptorStatus err;
+
+  /* Expand the 56-bit key to 64-bits */
+  extend_key_56_to_64(key_56, key);
+
+  /* Set the key parity to odd */
+  Curl_des_set_odd_parity((unsigned char *) key, sizeof(key));
+
+  /* Perform the encryption */
+  err = CCCrypt(kCCEncrypt, kCCAlgorithmDES, kCCOptionECBMode, key,
+                kCCKeySizeDES, NULL, in, 8 /* inbuflen */, out,
+                8 /* outbuflen */, &out_len);
+
+  return err == kCCSuccess;
+}
+
+#elif defined(USE_OS400CRYPTO)
+
+static bool encrypt_des(const unsigned char *in, unsigned char *out,
+                        const unsigned char *key_56)
+{
+  char key[8];
+  _CIPHER_Control_T ctl;
+
+  /* Setup the cipher control structure */
+  ctl.Func_ID = ENCRYPT_ONLY;
+  ctl.Data_Len = sizeof(key);
+
+  /* Expand the 56-bit key to 64-bits */
+  extend_key_56_to_64(key_56, ctl.Crypto_Key);
+
+  /* Set the key parity to odd */
+  Curl_des_set_odd_parity((unsigned char *) ctl.Crypto_Key, ctl.Data_Len);
+
+  /* Perform the encryption */
+  _CIPHER((_SPCPTR *) &out, &ctl, (_SPCPTR *) &in);
+
+  return TRUE;
+}
+
+#elif defined(USE_WIN32_CRYPTO)
+
+static bool encrypt_des(const unsigned char *in, unsigned char *out,
+                        const unsigned char *key_56)
+{
+  HCRYPTPROV hprov;
+  HCRYPTKEY hkey;
+  struct {
+    BLOBHEADER hdr;
+    unsigned int len;
+    char key[8];
+  } blob;
+  DWORD len = 8;
+
+  /* Acquire the crypto provider */
+  if(!CryptAcquireContext(&hprov, NULL, NULL, PROV_RSA_FULL,
+                          CRYPT_VERIFYCONTEXT))
+    return FALSE;
+
+  /* Setup the key blob structure */
+  memset(&blob, 0, sizeof(blob));
+  blob.hdr.bType = PLAINTEXTKEYBLOB;
+  blob.hdr.bVersion = 2;
+  blob.hdr.aiKeyAlg = CALG_DES;
+  blob.len = sizeof(blob.key);
+
+  /* Expand the 56-bit key to 64-bits */
+  extend_key_56_to_64(key_56, blob.key);
+
+  /* Set the key parity to odd */
+  Curl_des_set_odd_parity((unsigned char *) blob.key, sizeof(blob.key));
+
+  /* Import the key */
+  if(!CryptImportKey(hprov, (BYTE *) &blob, sizeof(blob), 0, 0, &hkey)) {
+    CryptReleaseContext(hprov, 0);
+
+    return FALSE;
+  }
+
+  memcpy(out, in, 8);
+
+  /* Perform the encryption */
+  CryptEncrypt(hkey, 0, FALSE, 0, out, &len, len);
+
+  CryptDestroyKey(hkey);
+  CryptReleaseContext(hprov, 0);
+
+  return TRUE;
+}
+
+#endif /* defined(USE_WIN32_CRYPTO) */
+
+ /*
+  * takes a 21 byte array and treats it as 3 56-bit DES keys. The
+  * 8 byte plaintext is encrypted with each key and the resulting 24
+  * bytes are stored in the results array.
+  */
+void Curl_ntlm_core_lm_resp(const unsigned char *keys,
+                            const unsigned char *plaintext,
+                            unsigned char *results)
+{
+#ifdef USE_OPENSSL
+  DES_key_schedule ks;
+
+  setup_des_key(keys, DESKEY(ks));
+  DES_ecb_encrypt((DES_cblock*) plaintext, (DES_cblock*) results,
+                  DESKEY(ks), DES_ENCRYPT);
+
+  setup_des_key(keys + 7, DESKEY(ks));
+  DES_ecb_encrypt((DES_cblock*) plaintext, (DES_cblock*) (results + 8),
+                  DESKEY(ks), DES_ENCRYPT);
+
+  setup_des_key(keys + 14, DESKEY(ks));
+  DES_ecb_encrypt((DES_cblock*) plaintext, (DES_cblock*) (results + 16),
+                  DESKEY(ks), DES_ENCRYPT);
+#elif defined(USE_GNUTLS_NETTLE)
+  struct des_ctx des;
+  setup_des_key(keys, &des);
+  des_encrypt(&des, 8, results, plaintext);
+  setup_des_key(keys + 7, &des);
+  des_encrypt(&des, 8, results + 8, plaintext);
+  setup_des_key(keys + 14, &des);
+  des_encrypt(&des, 8, results + 16, plaintext);
+#elif defined(USE_GNUTLS)
+  gcry_cipher_hd_t des;
+
+  gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0);
+  setup_des_key(keys, &des);
+  gcry_cipher_encrypt(des, results, 8, plaintext, 8);
+  gcry_cipher_close(des);
+
+  gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0);
+  setup_des_key(keys + 7, &des);
+  gcry_cipher_encrypt(des, results + 8, 8, plaintext, 8);
+  gcry_cipher_close(des);
+
+  gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0);
+  setup_des_key(keys + 14, &des);
+  gcry_cipher_encrypt(des, results + 16, 8, plaintext, 8);
+  gcry_cipher_close(des);
+#elif defined(USE_NSS) || defined(USE_MBEDTLS) || defined(USE_DARWINSSL) \
+  || defined(USE_OS400CRYPTO) || defined(USE_WIN32_CRYPTO)
+  encrypt_des(plaintext, results, keys);
+  encrypt_des(plaintext, results + 8, keys + 7);
+  encrypt_des(plaintext, results + 16, keys + 14);
+#endif
+}
+
+/*
+ * Set up lanmanager hashed password
+ */
+CURLcode Curl_ntlm_core_mk_lm_hash(struct Curl_easy *data,
+                                   const char *password,
+                                   unsigned char *lmbuffer /* 21 bytes */)
+{
+  CURLcode result;
+  unsigned char pw[14];
+  static const unsigned char magic[] = {
+    0x4B, 0x47, 0x53, 0x21, 0x40, 0x23, 0x24, 0x25 /* i.e. KGS!@#$% */
+  };
+  size_t len = CURLMIN(strlen(password), 14);
+
+  Curl_strntoupper((char *)pw, password, len);
+  memset(&pw[len], 0, 14 - len);
+
+  /*
+   * The LanManager hashed password needs to be created using the
+   * password in the network encoding not the host encoding.
+   */
+  result = Curl_convert_to_network(data, (char *)pw, 14);
+  if(result)
+    return result;
+
+  {
+    /* Create LanManager hashed password. */
+
+#ifdef USE_OPENSSL
+    DES_key_schedule ks;
+
+    setup_des_key(pw, DESKEY(ks));
+    DES_ecb_encrypt((DES_cblock *)magic, (DES_cblock *)lmbuffer,
+                    DESKEY(ks), DES_ENCRYPT);
+
+    setup_des_key(pw + 7, DESKEY(ks));
+    DES_ecb_encrypt((DES_cblock *)magic, (DES_cblock *)(lmbuffer + 8),
+                    DESKEY(ks), DES_ENCRYPT);
+#elif defined(USE_GNUTLS_NETTLE)
+    struct des_ctx des;
+    setup_des_key(pw, &des);
+    des_encrypt(&des, 8, lmbuffer, magic);
+    setup_des_key(pw + 7, &des);
+    des_encrypt(&des, 8, lmbuffer + 8, magic);
+#elif defined(USE_GNUTLS)
+    gcry_cipher_hd_t des;
+
+    gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0);
+    setup_des_key(pw, &des);
+    gcry_cipher_encrypt(des, lmbuffer, 8, magic, 8);
+    gcry_cipher_close(des);
+
+    gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0);
+    setup_des_key(pw + 7, &des);
+    gcry_cipher_encrypt(des, lmbuffer + 8, 8, magic, 8);
+    gcry_cipher_close(des);
+#elif defined(USE_NSS) || defined(USE_MBEDTLS) || defined(USE_DARWINSSL) \
+  || defined(USE_OS400CRYPTO) || defined(USE_WIN32_CRYPTO)
+    encrypt_des(magic, lmbuffer, pw);
+    encrypt_des(magic, lmbuffer + 8, pw + 7);
+#endif
+
+    memset(lmbuffer + 16, 0, 21 - 16);
+  }
+
+  return CURLE_OK;
+}
+
+#ifdef USE_NTRESPONSES
+static void ascii_to_unicode_le(unsigned char *dest, const char *src,
+                                size_t srclen)
+{
+  size_t i;
+  for(i = 0; i < srclen; i++) {
+    dest[2 * i] = (unsigned char)src[i];
+    dest[2 * i + 1] = '\0';
+  }
+}
+
+#if defined(USE_NTLM_V2) && !defined(USE_WINDOWS_SSPI)
+
+static void ascii_uppercase_to_unicode_le(unsigned char *dest,
+                                          const char *src, size_t srclen)
+{
+  size_t i;
+  for(i = 0; i < srclen; i++) {
+    dest[2 * i] = (unsigned char)(Curl_raw_toupper(src[i]));
+    dest[2 * i + 1] = '\0';
+  }
+}
+
+#endif /* USE_NTLM_V2 && !USE_WINDOWS_SSPI */
+
+/*
+ * Set up nt hashed passwords
+ * @unittest: 1600
+ */
+CURLcode Curl_ntlm_core_mk_nt_hash(struct Curl_easy *data,
+                                   const char *password,
+                                   unsigned char *ntbuffer /* 21 bytes */)
+{
+  size_t len = strlen(password);
+  unsigned char *pw;
+  CURLcode result;
+  if(len > SIZE_T_MAX/2) /* avoid integer overflow */
+    return CURLE_OUT_OF_MEMORY;
+  pw = len ? malloc(len * 2) : strdup("");
+  if(!pw)
+    return CURLE_OUT_OF_MEMORY;
+
+  ascii_to_unicode_le(pw, password, len);
+
+  /*
+   * The NT hashed password needs to be created using the password in the
+   * network encoding not the host encoding.
+   */
+  result = Curl_convert_to_network(data, (char *)pw, len * 2);
+  if(result)
+    return result;
+
+  {
+    /* Create NT hashed password. */
+#ifdef USE_OPENSSL
+    MD4_CTX MD4pw;
+    MD4_Init(&MD4pw);
+    MD4_Update(&MD4pw, pw, 2 * len);
+    MD4_Final(ntbuffer, &MD4pw);
+#elif defined(USE_GNUTLS_NETTLE)
+    struct md4_ctx MD4pw;
+    md4_init(&MD4pw);
+    md4_update(&MD4pw, (unsigned int)(2 * len), pw);
+    md4_digest(&MD4pw, MD4_DIGEST_SIZE, ntbuffer);
+#elif defined(USE_GNUTLS)
+    gcry_md_hd_t MD4pw;
+    gcry_md_open(&MD4pw, GCRY_MD_MD4, 0);
+    gcry_md_write(MD4pw, pw, 2 * len);
+    memcpy(ntbuffer, gcry_md_read(MD4pw, 0), MD4_DIGEST_LENGTH);
+    gcry_md_close(MD4pw);
+#elif defined(USE_NSS)
+    Curl_md4it(ntbuffer, pw, 2 * len);
+#elif defined(USE_MBEDTLS)
+#if defined(MBEDTLS_MD4_C)
+    mbedtls_md4(pw, 2 * len, ntbuffer);
+#else
+    Curl_md4it(ntbuffer, pw, 2 * len);
+#endif
+#elif defined(USE_DARWINSSL)
+    (void)CC_MD4(pw, (CC_LONG)(2 * len), ntbuffer);
+#elif defined(USE_OS400CRYPTO)
+    Curl_md4it(ntbuffer, pw, 2 * len);
+#elif defined(USE_WIN32_CRYPTO)
+    HCRYPTPROV hprov;
+    if(CryptAcquireContext(&hprov, NULL, NULL, PROV_RSA_FULL,
+                           CRYPT_VERIFYCONTEXT)) {
+      HCRYPTHASH hhash;
+      if(CryptCreateHash(hprov, CALG_MD4, 0, 0, &hhash)) {
+        DWORD length = 16;
+        CryptHashData(hhash, pw, (unsigned int)len * 2, 0);
+        CryptGetHashParam(hhash, HP_HASHVAL, ntbuffer, &length, 0);
+        CryptDestroyHash(hhash);
+      }
+      CryptReleaseContext(hprov, 0);
+    }
+#endif
+
+    memset(ntbuffer + 16, 0, 21 - 16);
+  }
+
+  free(pw);
+
+  return CURLE_OK;
+}
+
+#if defined(USE_NTLM_V2) && !defined(USE_WINDOWS_SSPI)
+
+/* This returns the HMAC MD5 digest */
+CURLcode Curl_hmac_md5(const unsigned char *key, unsigned int keylen,
+                       const unsigned char *data, unsigned int datalen,
+                       unsigned char *output)
+{
+  HMAC_context *ctxt = Curl_HMAC_init(Curl_HMAC_MD5, key, keylen);
+
+  if(!ctxt)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Update the digest with the given challenge */
+  Curl_HMAC_update(ctxt, data, datalen);
+
+  /* Finalise the digest */
+  Curl_HMAC_final(ctxt, output);
+
+  return CURLE_OK;
+}
+
+/* This creates the NTLMv2 hash by using NTLM hash as the key and Unicode
+ * (uppercase UserName + Domain) as the data
+ */
+CURLcode Curl_ntlm_core_mk_ntlmv2_hash(const char *user, size_t userlen,
+                                       const char *domain, size_t domlen,
+                                       unsigned char *ntlmhash,
+                                       unsigned char *ntlmv2hash)
+{
+  /* Unicode representation */
+  size_t identity_len;
+  unsigned char *identity;
+  CURLcode result = CURLE_OK;
+
+  /* we do the length checks below separately to avoid integer overflow risk
+     on extreme data lengths */
+  if((userlen > SIZE_T_MAX/2) ||
+     (domlen > SIZE_T_MAX/2) ||
+     ((userlen + domlen) > SIZE_T_MAX/2))
+    return CURLE_OUT_OF_MEMORY;
+
+  identity_len = (userlen + domlen) * 2;
+  identity = malloc(identity_len);
+
+  if(!identity)
+    return CURLE_OUT_OF_MEMORY;
+
+  ascii_uppercase_to_unicode_le(identity, user, userlen);
+  ascii_to_unicode_le(identity + (userlen << 1), domain, domlen);
+
+  result = Curl_hmac_md5(ntlmhash, 16, identity, curlx_uztoui(identity_len),
+                         ntlmv2hash);
+
+  free(identity);
+
+  return result;
+}
+
+/*
+ * Curl_ntlm_core_mk_ntlmv2_resp()
+ *
+ * This creates the NTLMv2 response as set in the ntlm type-3 message.
+ *
+ * Parameters:
+ *
+ * ntlmv2hash       [in] - The ntlmv2 hash (16 bytes)
+ * challenge_client [in] - The client nonce (8 bytes)
+ * ntlm             [in] - The ntlm data struct being used to read TargetInfo
+                           and Server challenge received in the type-2 message
+ * ntresp          [out] - The address where a pointer to newly allocated
+ *                         memory holding the NTLMv2 response.
+ * ntresp_len      [out] - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_ntlm_core_mk_ntlmv2_resp(unsigned char *ntlmv2hash,
+                                       unsigned char *challenge_client,
+                                       struct ntlmdata *ntlm,
+                                       unsigned char **ntresp,
+                                       unsigned int *ntresp_len)
+{
+/* NTLMv2 response structure :
+------------------------------------------------------------------------------
+0     HMAC MD5         16 bytes
+------BLOB--------------------------------------------------------------------
+16    Signature        0x01010000
+20    Reserved         long (0x00000000)
+24    Timestamp        LE, 64-bit signed value representing the number of
+                       tenths of a microsecond since January 1, 1601.
+32    Client Nonce     8 bytes
+40    Unknown          4 bytes
+44    Target Info      N bytes (from the type-2 message)
+44+N  Unknown          4 bytes
+------------------------------------------------------------------------------
+*/
+
+  unsigned int len = 0;
+  unsigned char *ptr = NULL;
+  unsigned char hmac_output[NTLM_HMAC_MD5_LEN];
+  curl_off_t tw;
+
+  CURLcode result = CURLE_OK;
+
+#if CURL_SIZEOF_CURL_OFF_T < 8
+#error "this section needs 64bit support to work"
+#endif
+
+  /* Calculate the timestamp */
+#ifdef DEBUGBUILD
+  char *force_timestamp = getenv("CURL_FORCETIME");
+  if(force_timestamp)
+    tw = CURL_OFF_T_C(11644473600) * 10000000;
+  else
+#endif
+    tw = ((curl_off_t)time(NULL) + CURL_OFF_T_C(11644473600)) * 10000000;
+
+  /* Calculate the response len */
+  len = NTLM_HMAC_MD5_LEN + NTLMv2_BLOB_LEN;
+
+  /* Allocate the response */
+  ptr = calloc(1, len);
+  if(!ptr)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Create the BLOB structure */
+  msnprintf((char *)ptr + NTLM_HMAC_MD5_LEN, NTLMv2_BLOB_LEN,
+            "%c%c%c%c"   /* NTLMv2_BLOB_SIGNATURE */
+            "%c%c%c%c",  /* Reserved = 0 */
+            NTLMv2_BLOB_SIGNATURE[0], NTLMv2_BLOB_SIGNATURE[1],
+            NTLMv2_BLOB_SIGNATURE[2], NTLMv2_BLOB_SIGNATURE[3],
+            0, 0, 0, 0);
+
+  Curl_write64_le(tw, ptr + 24);
+  memcpy(ptr + 32, challenge_client, 8);
+  memcpy(ptr + 44, ntlm->target_info, ntlm->target_info_len);
+
+  /* Concatenate the Type 2 challenge with the BLOB and do HMAC MD5 */
+  memcpy(ptr + 8, &ntlm->nonce[0], 8);
+  result = Curl_hmac_md5(ntlmv2hash, NTLM_HMAC_MD5_LEN, ptr + 8,
+                         NTLMv2_BLOB_LEN + 8, hmac_output);
+  if(result) {
+    free(ptr);
+    return result;
+  }
+
+  /* Concatenate the HMAC MD5 output  with the BLOB */
+  memcpy(ptr, hmac_output, NTLM_HMAC_MD5_LEN);
+
+  /* Return the response */
+  *ntresp = ptr;
+  *ntresp_len = len;
+
+  return result;
+}
+
+/*
+ * Curl_ntlm_core_mk_lmv2_resp()
+ *
+ * This creates the LMv2 response as used in the ntlm type-3 message.
+ *
+ * Parameters:
+ *
+ * ntlmv2hash        [in] - The ntlmv2 hash (16 bytes)
+ * challenge_client  [in] - The client nonce (8 bytes)
+ * challenge_client  [in] - The server challenge (8 bytes)
+ * lmresp           [out] - The LMv2 response (24 bytes)
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode  Curl_ntlm_core_mk_lmv2_resp(unsigned char *ntlmv2hash,
+                                      unsigned char *challenge_client,
+                                      unsigned char *challenge_server,
+                                      unsigned char *lmresp)
+{
+  unsigned char data[16];
+  unsigned char hmac_output[16];
+  CURLcode result = CURLE_OK;
+
+  memcpy(&data[0], challenge_server, 8);
+  memcpy(&data[8], challenge_client, 8);
+
+  result = Curl_hmac_md5(ntlmv2hash, 16, &data[0], 16, hmac_output);
+  if(result)
+    return result;
+
+  /* Concatenate the HMAC MD5 output  with the client nonce */
+  memcpy(lmresp, hmac_output, 16);
+  memcpy(lmresp + 16, challenge_client, 8);
+
+  return result;
+}
+
+#endif /* USE_NTLM_V2 && !USE_WINDOWS_SSPI */
+
+#endif /* USE_NTRESPONSES */
+
+#endif /* !USE_WINDOWS_SSPI || USE_WIN32_CRYPTO */
+
+#endif /* USE_NTLM */
Index: trunk/src/libs/curl-7.64.0/lib/curl_ntlm_core.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_ntlm_core.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_ntlm_core.h	(revision 85671)
@@ -0,0 +1,107 @@
+#ifndef HEADER_CURL_NTLM_CORE_H
+#define HEADER_CURL_NTLM_CORE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(USE_NTLM)
+
+/* If NSS is the first available SSL backend (see order in curl_ntlm_core.c)
+   then it must be initialized to be used by NTLM. */
+#if !defined(USE_OPENSSL) && \
+    !defined(USE_GNUTLS_NETTLE) && \
+    !defined(USE_GNUTLS) && \
+    defined(USE_NSS)
+#define NTLM_NEEDS_NSS_INIT
+#endif
+
+#if !defined(USE_WINDOWS_SSPI) || defined(USE_WIN32_CRYPTO)
+
+#ifdef USE_OPENSSL
+#  include <openssl/ssl.h>
+#endif
+
+/* Define USE_NTRESPONSES in order to make the type-3 message include
+ * the NT response message. */
+#if !defined(USE_OPENSSL) || !defined(OPENSSL_NO_MD4)
+#define USE_NTRESPONSES
+#endif
+
+/* Define USE_NTLM2SESSION in order to make the type-3 message include the
+   NTLM2Session response message, requires USE_NTRESPONSES defined to 1 and a
+   Crypto engine that we have curl_ssl_md5sum() for. */
+#if defined(USE_NTRESPONSES) && !defined(USE_WIN32_CRYPTO)
+#define USE_NTLM2SESSION
+#endif
+
+/* Define USE_NTLM_V2 in order to allow the type-3 message to include the
+   LMv2 and NTLMv2 response messages, requires USE_NTRESPONSES defined to 1
+   and support for 64-bit integers. */
+#if defined(USE_NTRESPONSES) && (CURL_SIZEOF_CURL_OFF_T > 4)
+#define USE_NTLM_V2
+#endif
+
+void Curl_ntlm_core_lm_resp(const unsigned char *keys,
+                            const unsigned char *plaintext,
+                            unsigned char *results);
+
+CURLcode Curl_ntlm_core_mk_lm_hash(struct Curl_easy *data,
+                                   const char *password,
+                                   unsigned char *lmbuffer /* 21 bytes */);
+
+#ifdef USE_NTRESPONSES
+CURLcode Curl_ntlm_core_mk_nt_hash(struct Curl_easy *data,
+                                   const char *password,
+                                   unsigned char *ntbuffer /* 21 bytes */);
+
+#if defined(USE_NTLM_V2) && !defined(USE_WINDOWS_SSPI)
+
+CURLcode Curl_hmac_md5(const unsigned char *key, unsigned int keylen,
+                       const unsigned char *data, unsigned int datalen,
+                       unsigned char *output);
+
+CURLcode Curl_ntlm_core_mk_ntlmv2_hash(const char *user, size_t userlen,
+                                       const char *domain, size_t domlen,
+                                       unsigned char *ntlmhash,
+                                       unsigned char *ntlmv2hash);
+
+CURLcode  Curl_ntlm_core_mk_ntlmv2_resp(unsigned char *ntlmv2hash,
+                                        unsigned char *challenge_client,
+                                        struct ntlmdata *ntlm,
+                                        unsigned char **ntresp,
+                                        unsigned int *ntresp_len);
+
+CURLcode  Curl_ntlm_core_mk_lmv2_resp(unsigned char *ntlmv2hash,
+                                      unsigned char *challenge_client,
+                                      unsigned char *challenge_server,
+                                      unsigned char *lmresp);
+
+#endif /* USE_NTLM_V2 && !USE_WINDOWS_SSPI */
+
+#endif /* USE_NTRESPONSES */
+
+#endif /* !USE_WINDOWS_SSPI || USE_WIN32_CRYPTO */
+
+#endif /* USE_NTLM */
+
+#endif /* HEADER_CURL_NTLM_CORE_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_ntlm_wb.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_ntlm_wb.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_ntlm_wb.c	(revision 85671)
@@ -0,0 +1,441 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM) && \
+    defined(NTLM_WB_ENABLED)
+
+/*
+ * NTLM details:
+ *
+ * https://davenport.sourceforge.io/ntlm.html
+ * https://www.innovation.ch/java/ntlm.html
+ */
+
+#define DEBUG_ME 0
+
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
+#ifdef HAVE_SIGNAL_H
+#include <signal.h>
+#endif
+#ifdef HAVE_PWD_H
+#include <pwd.h>
+#endif
+
+#include "urldata.h"
+#include "sendf.h"
+#include "select.h"
+#include "vauth/ntlm.h"
+#include "curl_ntlm_core.h"
+#include "curl_ntlm_wb.h"
+#include "url.h"
+#include "strerror.h"
+#include "strdup.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#if DEBUG_ME
+# define DEBUG_OUT(x) x
+#else
+# define DEBUG_OUT(x) Curl_nop_stmt
+#endif
+
+/* Portable 'sclose_nolog' used only in child process instead of 'sclose'
+   to avoid fooling the socket leak detector */
+#if defined(HAVE_CLOSESOCKET)
+#  define sclose_nolog(x)  closesocket((x))
+#elif defined(HAVE_CLOSESOCKET_CAMEL)
+#  define sclose_nolog(x)  CloseSocket((x))
+#else
+#  define sclose_nolog(x)  close((x))
+#endif
+
+void Curl_ntlm_wb_cleanup(struct connectdata *conn)
+{
+  if(conn->ntlm_auth_hlpr_socket != CURL_SOCKET_BAD) {
+    sclose(conn->ntlm_auth_hlpr_socket);
+    conn->ntlm_auth_hlpr_socket = CURL_SOCKET_BAD;
+  }
+
+  if(conn->ntlm_auth_hlpr_pid) {
+    int i;
+    for(i = 0; i < 4; i++) {
+      pid_t ret = waitpid(conn->ntlm_auth_hlpr_pid, NULL, WNOHANG);
+      if(ret == conn->ntlm_auth_hlpr_pid || errno == ECHILD)
+        break;
+      switch(i) {
+      case 0:
+        kill(conn->ntlm_auth_hlpr_pid, SIGTERM);
+        break;
+      case 1:
+        /* Give the process another moment to shut down cleanly before
+           bringing down the axe */
+        Curl_wait_ms(1);
+        break;
+      case 2:
+        kill(conn->ntlm_auth_hlpr_pid, SIGKILL);
+        break;
+      case 3:
+        break;
+      }
+    }
+    conn->ntlm_auth_hlpr_pid = 0;
+  }
+
+  free(conn->challenge_header);
+  conn->challenge_header = NULL;
+  free(conn->response_header);
+  conn->response_header = NULL;
+}
+
+static CURLcode ntlm_wb_init(struct connectdata *conn, const char *userp)
+{
+  curl_socket_t sockfds[2];
+  pid_t child_pid;
+  const char *username;
+  char *slash, *domain = NULL;
+  const char *ntlm_auth = NULL;
+  char *ntlm_auth_alloc = NULL;
+#if defined(HAVE_GETPWUID_R) && defined(HAVE_GETEUID)
+  struct passwd pw, *pw_res;
+  char pwbuf[1024];
+#endif
+
+  /* Return if communication with ntlm_auth already set up */
+  if(conn->ntlm_auth_hlpr_socket != CURL_SOCKET_BAD ||
+     conn->ntlm_auth_hlpr_pid)
+    return CURLE_OK;
+
+  username = userp;
+  /* The real ntlm_auth really doesn't like being invoked with an
+     empty username. It won't make inferences for itself, and expects
+     the client to do so (mostly because it's really designed for
+     servers like squid to use for auth, and client support is an
+     afterthought for it). So try hard to provide a suitable username
+     if we don't already have one. But if we can't, provide the
+     empty one anyway. Perhaps they have an implementation of the
+     ntlm_auth helper which *doesn't* need it so we might as well try */
+  if(!username || !username[0]) {
+    username = getenv("NTLMUSER");
+    if(!username || !username[0])
+      username = getenv("LOGNAME");
+    if(!username || !username[0])
+      username = getenv("USER");
+#if defined(HAVE_GETPWUID_R) && defined(HAVE_GETEUID)
+    if((!username || !username[0]) &&
+       !getpwuid_r(geteuid(), &pw, pwbuf, sizeof(pwbuf), &pw_res) &&
+       pw_res) {
+      username = pw.pw_name;
+    }
+#endif
+    if(!username || !username[0])
+      username = userp;
+  }
+  slash = strpbrk(username, "\\/");
+  if(slash) {
+    domain = strdup(username);
+    if(!domain)
+      return CURLE_OUT_OF_MEMORY;
+    slash = domain + (slash - username);
+    *slash = '\0';
+    username = username + (slash - domain) + 1;
+  }
+
+  /* For testing purposes, when DEBUGBUILD is defined and environment
+     variable CURL_NTLM_WB_FILE is set a fake_ntlm is used to perform
+     NTLM challenge/response which only accepts commands and output
+     strings pre-written in test case definitions */
+#ifdef DEBUGBUILD
+  ntlm_auth_alloc = curl_getenv("CURL_NTLM_WB_FILE");
+  if(ntlm_auth_alloc)
+    ntlm_auth = ntlm_auth_alloc;
+  else
+#endif
+    ntlm_auth = NTLM_WB_FILE;
+
+  if(access(ntlm_auth, X_OK) != 0) {
+    failf(conn->data, "Could not access ntlm_auth: %s errno %d: %s",
+          ntlm_auth, errno, Curl_strerror(conn, errno));
+    goto done;
+  }
+
+  if(socketpair(AF_UNIX, SOCK_STREAM, 0, sockfds)) {
+    failf(conn->data, "Could not open socket pair. errno %d: %s",
+          errno, Curl_strerror(conn, errno));
+    goto done;
+  }
+
+  child_pid = fork();
+  if(child_pid == -1) {
+    sclose(sockfds[0]);
+    sclose(sockfds[1]);
+    failf(conn->data, "Could not fork. errno %d: %s",
+          errno, Curl_strerror(conn, errno));
+    goto done;
+  }
+  else if(!child_pid) {
+    /*
+     * child process
+     */
+
+    /* Don't use sclose in the child since it fools the socket leak detector */
+    sclose_nolog(sockfds[0]);
+    if(dup2(sockfds[1], STDIN_FILENO) == -1) {
+      failf(conn->data, "Could not redirect child stdin. errno %d: %s",
+            errno, Curl_strerror(conn, errno));
+      exit(1);
+    }
+
+    if(dup2(sockfds[1], STDOUT_FILENO) == -1) {
+      failf(conn->data, "Could not redirect child stdout. errno %d: %s",
+            errno, Curl_strerror(conn, errno));
+      exit(1);
+    }
+
+    if(domain)
+      execl(ntlm_auth, ntlm_auth,
+            "--helper-protocol", "ntlmssp-client-1",
+            "--use-cached-creds",
+            "--username", username,
+            "--domain", domain,
+            NULL);
+    else
+      execl(ntlm_auth, ntlm_auth,
+            "--helper-protocol", "ntlmssp-client-1",
+            "--use-cached-creds",
+            "--username", username,
+            NULL);
+
+    sclose_nolog(sockfds[1]);
+    failf(conn->data, "Could not execl(). errno %d: %s",
+          errno, Curl_strerror(conn, errno));
+    exit(1);
+  }
+
+  sclose(sockfds[1]);
+  conn->ntlm_auth_hlpr_socket = sockfds[0];
+  conn->ntlm_auth_hlpr_pid = child_pid;
+  free(domain);
+  free(ntlm_auth_alloc);
+  return CURLE_OK;
+
+done:
+  free(domain);
+  free(ntlm_auth_alloc);
+  return CURLE_REMOTE_ACCESS_DENIED;
+}
+
+/* if larger than this, something is seriously wrong */
+#define MAX_NTLM_WB_RESPONSE 100000
+
+static CURLcode ntlm_wb_response(struct connectdata *conn,
+                                 const char *input, curlntlm state)
+{
+  char *buf = malloc(NTLM_BUFSIZE);
+  size_t len_in = strlen(input), len_out = 0;
+
+  if(!buf)
+    return CURLE_OUT_OF_MEMORY;
+
+  while(len_in > 0) {
+    ssize_t written = swrite(conn->ntlm_auth_hlpr_socket, input, len_in);
+    if(written == -1) {
+      /* Interrupted by a signal, retry it */
+      if(errno == EINTR)
+        continue;
+      /* write failed if other errors happen */
+      goto done;
+    }
+    input += written;
+    len_in -= written;
+  }
+  /* Read one line */
+  while(1) {
+    ssize_t size;
+    char *newbuf;
+
+    size = sread(conn->ntlm_auth_hlpr_socket, buf + len_out, NTLM_BUFSIZE);
+    if(size == -1) {
+      if(errno == EINTR)
+        continue;
+      goto done;
+    }
+    else if(size == 0)
+      goto done;
+
+    len_out += size;
+    if(buf[len_out - 1] == '\n') {
+      buf[len_out - 1] = '\0';
+      break;
+    }
+
+    if(len_out > MAX_NTLM_WB_RESPONSE) {
+      failf(conn->data, "too large ntlm_wb response!");
+      free(buf);
+      return CURLE_OUT_OF_MEMORY;
+    }
+
+    newbuf = Curl_saferealloc(buf, len_out + NTLM_BUFSIZE);
+    if(!newbuf)
+      return CURLE_OUT_OF_MEMORY;
+
+    buf = newbuf;
+  }
+
+  /* Samba/winbind installed but not configured */
+  if(state == NTLMSTATE_TYPE1 &&
+     len_out == 3 &&
+     buf[0] == 'P' && buf[1] == 'W')
+    goto done;
+  /* invalid response */
+  if(len_out < 4)
+    goto done;
+  if(state == NTLMSTATE_TYPE1 &&
+     (buf[0]!='Y' || buf[1]!='R' || buf[2]!=' '))
+    goto done;
+  if(state == NTLMSTATE_TYPE2 &&
+     (buf[0]!='K' || buf[1]!='K' || buf[2]!=' ') &&
+     (buf[0]!='A' || buf[1]!='F' || buf[2]!=' '))
+    goto done;
+
+  conn->response_header = aprintf("NTLM %.*s", len_out - 4, buf + 3);
+  free(buf);
+  if(!conn->response_header)
+    return CURLE_OUT_OF_MEMORY;
+  return CURLE_OK;
+done:
+  free(buf);
+  return CURLE_REMOTE_ACCESS_DENIED;
+}
+
+/*
+ * This is for creating ntlm header output by delegating challenge/response
+ * to Samba's winbind daemon helper ntlm_auth.
+ */
+CURLcode Curl_output_ntlm_wb(struct connectdata *conn,
+                              bool proxy)
+{
+  /* point to the address of the pointer that holds the string to send to the
+     server, which is for a plain host or for a HTTP proxy */
+  char **allocuserpwd;
+  /* point to the name and password for this */
+  const char *userp;
+  /* point to the correct struct with this */
+  struct ntlmdata *ntlm;
+  struct auth *authp;
+
+  CURLcode res = CURLE_OK;
+  char *input;
+
+  DEBUGASSERT(conn);
+  DEBUGASSERT(conn->data);
+
+  if(proxy) {
+    allocuserpwd = &conn->allocptr.proxyuserpwd;
+    userp = conn->http_proxy.user;
+    ntlm = &conn->proxyntlm;
+    authp = &conn->data->state.authproxy;
+  }
+  else {
+    allocuserpwd = &conn->allocptr.userpwd;
+    userp = conn->user;
+    ntlm = &conn->ntlm;
+    authp = &conn->data->state.authhost;
+  }
+  authp->done = FALSE;
+
+  /* not set means empty */
+  if(!userp)
+    userp = "";
+
+  switch(ntlm->state) {
+  case NTLMSTATE_TYPE1:
+  default:
+    /* Use Samba's 'winbind' daemon to support NTLM authentication,
+     * by delegating the NTLM challenge/response protocol to a helper
+     * in ntlm_auth.
+     * http://devel.squid-cache.org/ntlm/squid_helper_protocol.html
+     * https://www.samba.org/samba/docs/man/manpages-3/winbindd.8.html
+     * https://www.samba.org/samba/docs/man/manpages-3/ntlm_auth.1.html
+     * Preprocessor symbol 'NTLM_WB_ENABLED' is defined when this
+     * feature is enabled and 'NTLM_WB_FILE' symbol holds absolute
+     * filename of ntlm_auth helper.
+     * If NTLM authentication using winbind fails, go back to original
+     * request handling process.
+     */
+    /* Create communication with ntlm_auth */
+    res = ntlm_wb_init(conn, userp);
+    if(res)
+      return res;
+    res = ntlm_wb_response(conn, "YR\n", ntlm->state);
+    if(res)
+      return res;
+
+    free(*allocuserpwd);
+    *allocuserpwd = aprintf("%sAuthorization: %s\r\n",
+                            proxy ? "Proxy-" : "",
+                            conn->response_header);
+    DEBUG_OUT(fprintf(stderr, "**** Header %s\n ", *allocuserpwd));
+    free(conn->response_header);
+    if(!*allocuserpwd)
+      return CURLE_OUT_OF_MEMORY;
+    conn->response_header = NULL;
+    break;
+  case NTLMSTATE_TYPE2:
+    input = aprintf("TT %s\n", conn->challenge_header);
+    if(!input)
+      return CURLE_OUT_OF_MEMORY;
+    res = ntlm_wb_response(conn, input, ntlm->state);
+    free(input);
+    input = NULL;
+    if(res)
+      return res;
+
+    free(*allocuserpwd);
+    *allocuserpwd = aprintf("%sAuthorization: %s\r\n",
+                            proxy ? "Proxy-" : "",
+                            conn->response_header);
+    DEBUG_OUT(fprintf(stderr, "**** %s\n ", *allocuserpwd));
+    ntlm->state = NTLMSTATE_TYPE3; /* we sent a type-3 */
+    authp->done = TRUE;
+    Curl_ntlm_wb_cleanup(conn);
+    if(!*allocuserpwd)
+      return CURLE_OUT_OF_MEMORY;
+    break;
+  case NTLMSTATE_TYPE3:
+    /* connection is already authenticated,
+     * don't send a header in future requests */
+    free(*allocuserpwd);
+    *allocuserpwd = NULL;
+    authp->done = TRUE;
+    break;
+  }
+
+  return CURLE_OK;
+}
+
+#endif /* !CURL_DISABLE_HTTP && USE_NTLM && NTLM_WB_ENABLED */
Index: trunk/src/libs/curl-7.64.0/lib/curl_ntlm_wb.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_ntlm_wb.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_ntlm_wb.h	(revision 85671)
@@ -0,0 +1,38 @@
+#ifndef HEADER_CURL_NTLM_WB_H
+#define HEADER_CURL_NTLM_WB_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM) && \
+    defined(NTLM_WB_ENABLED)
+
+/* this is for creating ntlm header output by delegating challenge/response
+   to Samba's winbind daemon helper ntlm_auth */
+CURLcode Curl_output_ntlm_wb(struct connectdata *conn, bool proxy);
+
+void Curl_ntlm_wb_cleanup(struct connectdata *conn);
+
+#endif /* !CURL_DISABLE_HTTP && USE_NTLM && NTLM_WB_ENABLED */
+
+#endif /* HEADER_CURL_NTLM_WB_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_path.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_path.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_path.c	(revision 85671)
@@ -0,0 +1,195 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+#include "curl_memory.h"
+#include "curl_path.h"
+#include "escape.h"
+#include "memdebug.h"
+
+/* figure out the path to work with in this particular request */
+CURLcode Curl_getworkingpath(struct connectdata *conn,
+                             char *homedir,  /* when SFTP is used */
+                             char **path) /* returns the  allocated
+                                             real path to work with */
+{
+  struct Curl_easy *data = conn->data;
+  char *real_path = NULL;
+  char *working_path;
+  size_t working_path_len;
+  CURLcode result =
+    Curl_urldecode(data, data->state.up.path, 0, &working_path,
+                   &working_path_len, FALSE);
+  if(result)
+    return result;
+
+  /* Check for /~/, indicating relative to the user's home directory */
+  if(conn->handler->protocol & CURLPROTO_SCP) {
+    real_path = malloc(working_path_len + 1);
+    if(real_path == NULL) {
+      free(working_path);
+      return CURLE_OUT_OF_MEMORY;
+    }
+    if((working_path_len > 3) && (!memcmp(working_path, "/~/", 3)))
+      /* It is referenced to the home directory, so strip the leading '/~/' */
+      memcpy(real_path, working_path + 3, 4 + working_path_len-3);
+    else
+      memcpy(real_path, working_path, 1 + working_path_len);
+  }
+  else if(conn->handler->protocol & CURLPROTO_SFTP) {
+    if((working_path_len > 1) && (working_path[1] == '~')) {
+      size_t homelen = strlen(homedir);
+      real_path = malloc(homelen + working_path_len + 1);
+      if(real_path == NULL) {
+        free(working_path);
+        return CURLE_OUT_OF_MEMORY;
+      }
+      /* It is referenced to the home directory, so strip the
+         leading '/' */
+      memcpy(real_path, homedir, homelen);
+      real_path[homelen] = '/';
+      real_path[homelen + 1] = '\0';
+      if(working_path_len > 3) {
+        memcpy(real_path + homelen + 1, working_path + 3,
+               1 + working_path_len -3);
+      }
+    }
+    else {
+      real_path = malloc(working_path_len + 1);
+      if(real_path == NULL) {
+        free(working_path);
+        return CURLE_OUT_OF_MEMORY;
+      }
+      memcpy(real_path, working_path, 1 + working_path_len);
+    }
+  }
+
+  free(working_path);
+
+  /* store the pointer for the caller to receive */
+  *path = real_path;
+
+  return CURLE_OK;
+}
+
+/* The get_pathname() function is being borrowed from OpenSSH sftp.c
+   version 4.6p1. */
+/*
+ * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+CURLcode Curl_get_pathname(const char **cpp, char **path, char *homedir)
+{
+  const char *cp = *cpp, *end;
+  char quot;
+  unsigned int i, j;
+  size_t fullPathLength, pathLength;
+  bool relativePath = false;
+  static const char WHITESPACE[] = " \t\r\n";
+
+  if(!*cp) {
+    *cpp = NULL;
+    *path = NULL;
+    return CURLE_QUOTE_ERROR;
+  }
+  /* Ignore leading whitespace */
+  cp += strspn(cp, WHITESPACE);
+  /* Allocate enough space for home directory and filename + separator */
+  fullPathLength = strlen(cp) + strlen(homedir) + 2;
+  *path = malloc(fullPathLength);
+  if(*path == NULL)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Check for quoted filenames */
+  if(*cp == '\"' || *cp == '\'') {
+    quot = *cp++;
+
+    /* Search for terminating quote, unescape some chars */
+    for(i = j = 0; i <= strlen(cp); i++) {
+      if(cp[i] == quot) {  /* Found quote */
+        i++;
+        (*path)[j] = '\0';
+        break;
+      }
+      if(cp[i] == '\0') {  /* End of string */
+        /*error("Unterminated quote");*/
+        goto fail;
+      }
+      if(cp[i] == '\\') {  /* Escaped characters */
+        i++;
+        if(cp[i] != '\'' && cp[i] != '\"' &&
+            cp[i] != '\\') {
+          /*error("Bad escaped character '\\%c'",
+              cp[i]);*/
+          goto fail;
+        }
+      }
+      (*path)[j++] = cp[i];
+    }
+
+    if(j == 0) {
+      /*error("Empty quotes");*/
+      goto fail;
+    }
+    *cpp = cp + i + strspn(cp + i, WHITESPACE);
+  }
+  else {
+    /* Read to end of filename - either to white space or terminator */
+    end = strpbrk(cp, WHITESPACE);
+    if(end == NULL)
+      end = strchr(cp, '\0');
+    /* return pointer to second parameter if it exists */
+    *cpp = end + strspn(end, WHITESPACE);
+    pathLength = 0;
+    relativePath = (cp[0] == '/' && cp[1] == '~' && cp[2] == '/');
+    /* Handling for relative path - prepend home directory */
+    if(relativePath) {
+      strcpy(*path, homedir);
+      pathLength = strlen(homedir);
+      (*path)[pathLength++] = '/';
+      (*path)[pathLength] = '\0';
+      cp += 3;
+    }
+    /* Copy path name up until first "white space" */
+    memcpy(&(*path)[pathLength], cp, (int)(end - cp));
+    pathLength += (int)(end - cp);
+    (*path)[pathLength] = '\0';
+  }
+  return CURLE_OK;
+
+  fail:
+  Curl_safefree(*path);
+  return CURLE_QUOTE_ERROR;
+}
Index: trunk/src/libs/curl-7.64.0/lib/curl_path.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_path.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_path.h	(revision 85671)
@@ -0,0 +1,47 @@
+#ifndef HEADER_CURL_PATH_H
+#define HEADER_CURL_PATH_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+#include <curl/curl.h>
+#include "urldata.h"
+
+#ifdef WIN32
+#  undef  PATH_MAX
+#  define PATH_MAX MAX_PATH
+#  ifndef R_OK
+#    define R_OK 4
+#  endif
+#endif
+
+#ifndef PATH_MAX
+#define PATH_MAX 1024 /* just an extra precaution since there are systems that
+                         have their definition hidden well */
+#endif
+
+CURLcode Curl_getworkingpath(struct connectdata *conn,
+                             char *homedir,
+                             char **path);
+
+CURLcode Curl_get_pathname(const char **cpp, char **path, char *homedir);
+#endif /* HEADER_CURL_PATH_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_printf.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_printf.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_printf.h	(revision 85671)
@@ -0,0 +1,48 @@
+#ifndef HEADER_CURL_PRINTF_H
+#define HEADER_CURL_PRINTF_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * This header should be included by ALL code in libcurl that uses any
+ * *rintf() functions.
+ */
+
+#include <curl/mprintf.h>
+
+# undef printf
+# undef fprintf
+# undef msnprintf
+# undef vprintf
+# undef vfprintf
+# undef vsnprintf
+# undef aprintf
+# undef vaprintf
+# define printf curl_mprintf
+# define fprintf curl_mfprintf
+# define msnprintf curl_msnprintf
+# define vprintf curl_mvprintf
+# define vfprintf curl_mvfprintf
+# define mvsnprintf curl_mvsnprintf
+# define aprintf curl_maprintf
+# define vaprintf curl_mvaprintf
+#endif /* HEADER_CURL_PRINTF_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_range.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_range.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_range.c	(revision 85671)
@@ -0,0 +1,95 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+#include <curl/curl.h>
+#include "curl_range.h"
+#include "sendf.h"
+#include "strtoofft.h"
+
+/* Only include this function if one or more of FTP, FILE are enabled. */
+#if !defined(CURL_DISABLE_FTP) || !defined(CURL_DISABLE_FILE)
+
+ /*
+  Check if this is a range download, and if so, set the internal variables
+  properly.
+ */
+CURLcode Curl_range(struct connectdata *conn)
+{
+  curl_off_t from, to;
+  char *ptr;
+  char *ptr2;
+  struct Curl_easy *data = conn->data;
+
+  if(data->state.use_range && data->state.range) {
+    CURLofft from_t;
+    CURLofft to_t;
+    from_t = curlx_strtoofft(data->state.range, &ptr, 0, &from);
+    if(from_t == CURL_OFFT_FLOW)
+      return CURLE_RANGE_ERROR;
+    while(*ptr && (ISSPACE(*ptr) || (*ptr == '-')))
+      ptr++;
+    to_t = curlx_strtoofft(ptr, &ptr2, 0, &to);
+    if(to_t == CURL_OFFT_FLOW)
+      return CURLE_RANGE_ERROR;
+    if((to_t == CURL_OFFT_INVAL) && !from_t) {
+      /* X - */
+      data->state.resume_from = from;
+      DEBUGF(infof(data, "RANGE %" CURL_FORMAT_CURL_OFF_T " to end of file\n",
+                   from));
+    }
+    else if((from_t == CURL_OFFT_INVAL) && !to_t) {
+      /* -Y */
+      data->req.maxdownload = to;
+      data->state.resume_from = -to;
+      DEBUGF(infof(data, "RANGE the last %" CURL_FORMAT_CURL_OFF_T " bytes\n",
+                   to));
+    }
+    else {
+      /* X-Y */
+      curl_off_t totalsize;
+
+      /* Ensure the range is sensible - to should follow from. */
+      if(from > to)
+        return CURLE_RANGE_ERROR;
+
+      totalsize = to - from;
+      if(totalsize == CURL_OFF_T_MAX)
+        return CURLE_RANGE_ERROR;
+
+      data->req.maxdownload = totalsize + 1; /* include last byte */
+      data->state.resume_from = from;
+      DEBUGF(infof(data, "RANGE from %" CURL_FORMAT_CURL_OFF_T
+                   " getting %" CURL_FORMAT_CURL_OFF_T " bytes\n",
+                   from, data->req.maxdownload));
+    }
+    DEBUGF(infof(data, "range-download from %" CURL_FORMAT_CURL_OFF_T
+                 " to %" CURL_FORMAT_CURL_OFF_T ", totally %"
+                 CURL_FORMAT_CURL_OFF_T " bytes\n",
+                 from, to, data->req.maxdownload));
+  }
+  else
+    data->req.maxdownload = -1;
+  return CURLE_OK;
+}
+
+#endif
Index: trunk/src/libs/curl-7.64.0/lib/curl_range.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_range.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_range.h	(revision 85671)
@@ -0,0 +1,30 @@
+#ifndef HEADER_CURL_RANGE_H
+#define HEADER_CURL_RANGE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+#include "urldata.h"
+
+CURLcode Curl_range(struct connectdata *conn);
+
+#endif /* HEADER_CURL_RANGE_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_rtmp.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_rtmp.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_rtmp.c	(revision 85671)
@@ -0,0 +1,315 @@
+/***************************************************************************
+ *                      _   _ ____  _
+ *  Project         ___| | | |  _ \| |
+ *                 / __| | | | |_) | |
+ *                | (__| |_| |  _ <| |___
+ *                 \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2012 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2010, Howard Chu, <hyc@highlandsun.com>
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef USE_LIBRTMP
+
+#include "curl_rtmp.h"
+#include "urldata.h"
+#include "nonblock.h" /* for curlx_nonblock */
+#include "progress.h" /* for Curl_pgrsSetUploadSize */
+#include "transfer.h"
+#include "warnless.h"
+#include <curl/curl.h>
+#include <librtmp/rtmp.h>
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+#if defined(WIN32) && !defined(USE_LWIPSOCK)
+#define setsockopt(a,b,c,d,e) (setsockopt)(a,b,c,(const char *)d,(int)e)
+#define SET_RCVTIMEO(tv,s)   int tv = s*1000
+#elif defined(LWIP_SO_SNDRCVTIMEO_NONSTANDARD)
+#define SET_RCVTIMEO(tv,s)   int tv = s*1000
+#else
+#define SET_RCVTIMEO(tv,s)   struct timeval tv = {s,0}
+#endif
+
+#define DEF_BUFTIME    (2*60*60*1000)    /* 2 hours */
+
+static CURLcode rtmp_setup_connection(struct connectdata *conn);
+static CURLcode rtmp_do(struct connectdata *conn, bool *done);
+static CURLcode rtmp_done(struct connectdata *conn, CURLcode, bool premature);
+static CURLcode rtmp_connect(struct connectdata *conn, bool *done);
+static CURLcode rtmp_disconnect(struct connectdata *conn, bool dead);
+
+static Curl_recv rtmp_recv;
+static Curl_send rtmp_send;
+
+/*
+ * RTMP protocol handler.h, based on https://rtmpdump.mplayerhq.hu
+ */
+
+const struct Curl_handler Curl_handler_rtmp = {
+  "RTMP",                               /* scheme */
+  rtmp_setup_connection,                /* setup_connection */
+  rtmp_do,                              /* do_it */
+  rtmp_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  rtmp_connect,                         /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  rtmp_disconnect,                      /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_RTMP,                            /* defport */
+  CURLPROTO_RTMP,                       /* protocol */
+  PROTOPT_NONE                          /* flags*/
+};
+
+const struct Curl_handler Curl_handler_rtmpt = {
+  "RTMPT",                              /* scheme */
+  rtmp_setup_connection,                /* setup_connection */
+  rtmp_do,                              /* do_it */
+  rtmp_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  rtmp_connect,                         /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  rtmp_disconnect,                      /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_RTMPT,                           /* defport */
+  CURLPROTO_RTMPT,                      /* protocol */
+  PROTOPT_NONE                          /* flags*/
+};
+
+const struct Curl_handler Curl_handler_rtmpe = {
+  "RTMPE",                              /* scheme */
+  rtmp_setup_connection,                /* setup_connection */
+  rtmp_do,                              /* do_it */
+  rtmp_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  rtmp_connect,                         /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  rtmp_disconnect,                      /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_RTMP,                            /* defport */
+  CURLPROTO_RTMPE,                      /* protocol */
+  PROTOPT_NONE                          /* flags*/
+};
+
+const struct Curl_handler Curl_handler_rtmpte = {
+  "RTMPTE",                             /* scheme */
+  rtmp_setup_connection,                /* setup_connection */
+  rtmp_do,                              /* do_it */
+  rtmp_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  rtmp_connect,                         /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  rtmp_disconnect,                      /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_RTMPT,                           /* defport */
+  CURLPROTO_RTMPTE,                     /* protocol */
+  PROTOPT_NONE                          /* flags*/
+};
+
+const struct Curl_handler Curl_handler_rtmps = {
+  "RTMPS",                              /* scheme */
+  rtmp_setup_connection,                /* setup_connection */
+  rtmp_do,                              /* do_it */
+  rtmp_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  rtmp_connect,                         /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  rtmp_disconnect,                      /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_RTMPS,                           /* defport */
+  CURLPROTO_RTMPS,                      /* protocol */
+  PROTOPT_NONE                          /* flags*/
+};
+
+const struct Curl_handler Curl_handler_rtmpts = {
+  "RTMPTS",                             /* scheme */
+  rtmp_setup_connection,                /* setup_connection */
+  rtmp_do,                              /* do_it */
+  rtmp_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  rtmp_connect,                         /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  rtmp_disconnect,                      /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_RTMPS,                           /* defport */
+  CURLPROTO_RTMPTS,                     /* protocol */
+  PROTOPT_NONE                          /* flags*/
+};
+
+static CURLcode rtmp_setup_connection(struct connectdata *conn)
+{
+  RTMP *r = RTMP_Alloc();
+  if(!r)
+    return CURLE_OUT_OF_MEMORY;
+
+  RTMP_Init(r);
+  RTMP_SetBufferMS(r, DEF_BUFTIME);
+  if(!RTMP_SetupURL(r, conn->data->change.url)) {
+    RTMP_Free(r);
+    return CURLE_URL_MALFORMAT;
+  }
+  conn->proto.generic = r;
+  return CURLE_OK;
+}
+
+static CURLcode rtmp_connect(struct connectdata *conn, bool *done)
+{
+  RTMP *r = conn->proto.generic;
+  SET_RCVTIMEO(tv, 10);
+
+  r->m_sb.sb_socket = (int)conn->sock[FIRSTSOCKET];
+
+  /* We have to know if it's a write before we send the
+   * connect request packet
+   */
+  if(conn->data->set.upload)
+    r->Link.protocol |= RTMP_FEATURE_WRITE;
+
+  /* For plain streams, use the buffer toggle trick to keep data flowing */
+  if(!(r->Link.lFlags & RTMP_LF_LIVE) &&
+     !(r->Link.protocol & RTMP_FEATURE_HTTP))
+    r->Link.lFlags |= RTMP_LF_BUFX;
+
+  (void)curlx_nonblock(r->m_sb.sb_socket, FALSE);
+  setsockopt(r->m_sb.sb_socket, SOL_SOCKET, SO_RCVTIMEO,
+             (char *)&tv, sizeof(tv));
+
+  if(!RTMP_Connect1(r, NULL))
+    return CURLE_FAILED_INIT;
+
+  /* Clients must send a periodic BytesReceived report to the server */
+  r->m_bSendCounter = true;
+
+  *done = TRUE;
+  conn->recv[FIRSTSOCKET] = rtmp_recv;
+  conn->send[FIRSTSOCKET] = rtmp_send;
+  return CURLE_OK;
+}
+
+static CURLcode rtmp_do(struct connectdata *conn, bool *done)
+{
+  RTMP *r = conn->proto.generic;
+
+  if(!RTMP_ConnectStream(r, 0))
+    return CURLE_FAILED_INIT;
+
+  if(conn->data->set.upload) {
+    Curl_pgrsSetUploadSize(conn->data, conn->data->state.infilesize);
+    Curl_setup_transfer(conn, -1, -1, FALSE, NULL, FIRSTSOCKET, NULL);
+  }
+  else
+    Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE, NULL, -1, NULL);
+  *done = TRUE;
+  return CURLE_OK;
+}
+
+static CURLcode rtmp_done(struct connectdata *conn, CURLcode status,
+                          bool premature)
+{
+  (void)conn; /* unused */
+  (void)status; /* unused */
+  (void)premature; /* unused */
+
+  return CURLE_OK;
+}
+
+static CURLcode rtmp_disconnect(struct connectdata *conn,
+                                bool dead_connection)
+{
+  RTMP *r = conn->proto.generic;
+  (void)dead_connection;
+  if(r) {
+    conn->proto.generic = NULL;
+    RTMP_Close(r);
+    RTMP_Free(r);
+  }
+  return CURLE_OK;
+}
+
+static ssize_t rtmp_recv(struct connectdata *conn, int sockindex, char *buf,
+                         size_t len, CURLcode *err)
+{
+  RTMP *r = conn->proto.generic;
+  ssize_t nread;
+
+  (void)sockindex; /* unused */
+
+  nread = RTMP_Read(r, buf, curlx_uztosi(len));
+  if(nread < 0) {
+    if(r->m_read.status == RTMP_READ_COMPLETE ||
+        r->m_read.status == RTMP_READ_EOF) {
+      conn->data->req.size = conn->data->req.bytecount;
+      nread = 0;
+    }
+    else
+      *err = CURLE_RECV_ERROR;
+  }
+  return nread;
+}
+
+static ssize_t rtmp_send(struct connectdata *conn, int sockindex,
+                         const void *buf, size_t len, CURLcode *err)
+{
+  RTMP *r = conn->proto.generic;
+  ssize_t num;
+
+  (void)sockindex; /* unused */
+
+  num = RTMP_Write(r, (char *)buf, curlx_uztosi(len));
+  if(num < 0)
+    *err = CURLE_SEND_ERROR;
+
+  return num;
+}
+#endif  /* USE_LIBRTMP */
Index: trunk/src/libs/curl-7.64.0/lib/curl_rtmp.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_rtmp.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_rtmp.h	(revision 85671)
@@ -0,0 +1,33 @@
+#ifndef HEADER_CURL_RTMP_H
+#define HEADER_CURL_RTMP_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2010, Howard Chu, <hyc@highlandsun.com>
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#ifdef USE_LIBRTMP
+extern const struct Curl_handler Curl_handler_rtmp;
+extern const struct Curl_handler Curl_handler_rtmpt;
+extern const struct Curl_handler Curl_handler_rtmpe;
+extern const struct Curl_handler Curl_handler_rtmpte;
+extern const struct Curl_handler Curl_handler_rtmps;
+extern const struct Curl_handler Curl_handler_rtmpts;
+#endif
+
+#endif /* HEADER_CURL_RTMP_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_sasl.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_sasl.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_sasl.c	(revision 85671)
@@ -0,0 +1,628 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2012 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * RFC2195 CRAM-MD5 authentication
+ * RFC2617 Basic and Digest Access Authentication
+ * RFC2831 DIGEST-MD5 authentication
+ * RFC4422 Simple Authentication and Security Layer (SASL)
+ * RFC4616 PLAIN authentication
+ * RFC6749 OAuth 2.0 Authorization Framework
+ * RFC7628 A Set of SASL Mechanisms for OAuth
+ * Draft   LOGIN SASL Mechanism <draft-murchison-sasl-login-00.txt>
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+#include "urldata.h"
+
+#include "curl_base64.h"
+#include "curl_md5.h"
+#include "vauth/vauth.h"
+#include "vtls/vtls.h"
+#include "curl_hmac.h"
+#include "curl_sasl.h"
+#include "warnless.h"
+#include "strtok.h"
+#include "sendf.h"
+#include "non-ascii.h" /* included for Curl_convert_... prototypes */
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* Supported mechanisms */
+static const struct {
+  const char   *name;  /* Name */
+  size_t        len;   /* Name length */
+  unsigned int  bit;   /* Flag bit */
+} mechtable[] = {
+  { "LOGIN",        5,  SASL_MECH_LOGIN },
+  { "PLAIN",        5,  SASL_MECH_PLAIN },
+  { "CRAM-MD5",     8,  SASL_MECH_CRAM_MD5 },
+  { "DIGEST-MD5",   10, SASL_MECH_DIGEST_MD5 },
+  { "GSSAPI",       6,  SASL_MECH_GSSAPI },
+  { "EXTERNAL",     8,  SASL_MECH_EXTERNAL },
+  { "NTLM",         4,  SASL_MECH_NTLM },
+  { "XOAUTH2",      7,  SASL_MECH_XOAUTH2 },
+  { "OAUTHBEARER",  11, SASL_MECH_OAUTHBEARER },
+  { ZERO_NULL,      0,  0 }
+};
+
+/*
+ * Curl_sasl_cleanup()
+ *
+ * This is used to cleanup any libraries or curl modules used by the sasl
+ * functions.
+ *
+ * Parameters:
+ *
+ * conn     [in]     - The connection data.
+ * authused [in]     - The authentication mechanism used.
+ */
+void Curl_sasl_cleanup(struct connectdata *conn, unsigned int authused)
+{
+#if defined(USE_KERBEROS5)
+  /* Cleanup the gssapi structure */
+  if(authused == SASL_MECH_GSSAPI) {
+    Curl_auth_gssapi_cleanup(&conn->krb5);
+  }
+#endif
+
+#if defined(USE_NTLM)
+  /* Cleanup the NTLM structure */
+  if(authused == SASL_MECH_NTLM) {
+    Curl_auth_ntlm_cleanup(&conn->ntlm);
+  }
+#endif
+
+#if !defined(USE_KERBEROS5) && !defined(USE_NTLM)
+  /* Reserved for future use */
+  (void)conn;
+  (void)authused;
+#endif
+}
+
+/*
+ * Curl_sasl_decode_mech()
+ *
+ * Convert a SASL mechanism name into a token.
+ *
+ * Parameters:
+ *
+ * ptr    [in]     - The mechanism string.
+ * maxlen [in]     - Maximum mechanism string length.
+ * len    [out]    - If not NULL, effective name length.
+ *
+ * Returns the SASL mechanism token or 0 if no match.
+ */
+unsigned int Curl_sasl_decode_mech(const char *ptr, size_t maxlen, size_t *len)
+{
+  unsigned int i;
+  char c;
+
+  for(i = 0; mechtable[i].name; i++) {
+    if(maxlen >= mechtable[i].len &&
+       !memcmp(ptr, mechtable[i].name, mechtable[i].len)) {
+      if(len)
+        *len = mechtable[i].len;
+
+      if(maxlen == mechtable[i].len)
+        return mechtable[i].bit;
+
+      c = ptr[mechtable[i].len];
+      if(!ISUPPER(c) && !ISDIGIT(c) && c != '-' && c != '_')
+        return mechtable[i].bit;
+    }
+  }
+
+  return 0;
+}
+
+/*
+ * Curl_sasl_parse_url_auth_option()
+ *
+ * Parse the URL login options.
+ */
+CURLcode Curl_sasl_parse_url_auth_option(struct SASL *sasl,
+                                         const char *value, size_t len)
+{
+  CURLcode result = CURLE_OK;
+  size_t mechlen;
+
+  if(!len)
+    return CURLE_URL_MALFORMAT;
+
+  if(sasl->resetprefs) {
+    sasl->resetprefs = FALSE;
+    sasl->prefmech = SASL_AUTH_NONE;
+  }
+
+  if(!strncmp(value, "*", len))
+    sasl->prefmech = SASL_AUTH_DEFAULT;
+  else {
+    unsigned int mechbit = Curl_sasl_decode_mech(value, len, &mechlen);
+    if(mechbit && mechlen == len)
+      sasl->prefmech |= mechbit;
+    else
+      result = CURLE_URL_MALFORMAT;
+  }
+
+  return result;
+}
+
+/*
+ * Curl_sasl_init()
+ *
+ * Initializes the SASL structure.
+ */
+void Curl_sasl_init(struct SASL *sasl, const struct SASLproto *params)
+{
+  sasl->params = params;           /* Set protocol dependent parameters */
+  sasl->state = SASL_STOP;         /* Not yet running */
+  sasl->authmechs = SASL_AUTH_NONE; /* No known authentication mechanism yet */
+  sasl->prefmech = SASL_AUTH_DEFAULT; /* Prefer all mechanisms */
+  sasl->authused = SASL_AUTH_NONE; /* No the authentication mechanism used */
+  sasl->resetprefs = TRUE;         /* Reset prefmech upon AUTH parsing. */
+  sasl->mutual_auth = FALSE;       /* No mutual authentication (GSSAPI only) */
+  sasl->force_ir = FALSE;          /* Respect external option */
+}
+
+/*
+ * state()
+ *
+ * This is the ONLY way to change SASL state!
+ */
+static void state(struct SASL *sasl, struct connectdata *conn,
+                  saslstate newstate)
+{
+#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
+  /* for debug purposes */
+  static const char * const names[]={
+    "STOP",
+    "PLAIN",
+    "LOGIN",
+    "LOGIN_PASSWD",
+    "EXTERNAL",
+    "CRAMMD5",
+    "DIGESTMD5",
+    "DIGESTMD5_RESP",
+    "NTLM",
+    "NTLM_TYPE2MSG",
+    "GSSAPI",
+    "GSSAPI_TOKEN",
+    "GSSAPI_NO_DATA",
+    "OAUTH2",
+    "OAUTH2_RESP",
+    "CANCEL",
+    "FINAL",
+    /* LAST */
+  };
+
+  if(sasl->state != newstate)
+    infof(conn->data, "SASL %p state change from %s to %s\n",
+          (void *)sasl, names[sasl->state], names[newstate]);
+#else
+  (void) conn;
+#endif
+
+  sasl->state = newstate;
+}
+
+/*
+ * Curl_sasl_can_authenticate()
+ *
+ * Check if we have enough auth data and capabilities to authenticate.
+ */
+bool Curl_sasl_can_authenticate(struct SASL *sasl, struct connectdata *conn)
+{
+  /* Have credentials been provided? */
+  if(conn->bits.user_passwd)
+    return TRUE;
+
+  /* EXTERNAL can authenticate without a user name and/or password */
+  if(sasl->authmechs & sasl->prefmech & SASL_MECH_EXTERNAL)
+    return TRUE;
+
+  return FALSE;
+}
+
+/*
+ * Curl_sasl_start()
+ *
+ * Calculate the required login details for SASL authentication.
+ */
+CURLcode Curl_sasl_start(struct SASL *sasl, struct connectdata *conn,
+                         bool force_ir, saslprogress *progress)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  unsigned int enabledmechs;
+  const char *mech = NULL;
+  char *resp = NULL;
+  size_t len = 0;
+  saslstate state1 = SASL_STOP;
+  saslstate state2 = SASL_FINAL;
+  const char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
+    conn->host.name;
+  const long int port = SSL_IS_PROXY() ? conn->port : conn->remote_port;
+#if defined(USE_KERBEROS5) || defined(USE_NTLM)
+  const char *service = data->set.str[STRING_SERVICE_NAME] ?
+    data->set.str[STRING_SERVICE_NAME] :
+    sasl->params->service;
+#endif
+
+  sasl->force_ir = force_ir;    /* Latch for future use */
+  sasl->authused = 0;           /* No mechanism used yet */
+  enabledmechs = sasl->authmechs & sasl->prefmech;
+  *progress = SASL_IDLE;
+
+  /* Calculate the supported authentication mechanism, by decreasing order of
+     security, as well as the initial response where appropriate */
+  if((enabledmechs & SASL_MECH_EXTERNAL) && !conn->passwd[0]) {
+    mech = SASL_MECH_STRING_EXTERNAL;
+    state1 = SASL_EXTERNAL;
+    sasl->authused = SASL_MECH_EXTERNAL;
+
+    if(force_ir || data->set.sasl_ir)
+      result = Curl_auth_create_external_message(data, conn->user, &resp,
+                                                 &len);
+  }
+  else if(conn->bits.user_passwd) {
+#if defined(USE_KERBEROS5)
+    if((enabledmechs & SASL_MECH_GSSAPI) && Curl_auth_is_gssapi_supported() &&
+       Curl_auth_user_contains_domain(conn->user)) {
+      sasl->mutual_auth = FALSE; /* TODO: Calculate mutual authentication */
+      mech = SASL_MECH_STRING_GSSAPI;
+      state1 = SASL_GSSAPI;
+      state2 = SASL_GSSAPI_TOKEN;
+      sasl->authused = SASL_MECH_GSSAPI;
+
+      if(force_ir || data->set.sasl_ir)
+        result = Curl_auth_create_gssapi_user_message(data, conn->user,
+                                                      conn->passwd,
+                                                      service,
+                                                      data->conn->host.name,
+                                                      sasl->mutual_auth,
+                                                      NULL, &conn->krb5,
+                                                      &resp, &len);
+    }
+    else
+#endif
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+    if((enabledmechs & SASL_MECH_DIGEST_MD5) &&
+       Curl_auth_is_digest_supported()) {
+      mech = SASL_MECH_STRING_DIGEST_MD5;
+      state1 = SASL_DIGESTMD5;
+      sasl->authused = SASL_MECH_DIGEST_MD5;
+    }
+    else if(enabledmechs & SASL_MECH_CRAM_MD5) {
+      mech = SASL_MECH_STRING_CRAM_MD5;
+      state1 = SASL_CRAMMD5;
+      sasl->authused = SASL_MECH_CRAM_MD5;
+    }
+    else
+#endif
+#ifdef USE_NTLM
+    if((enabledmechs & SASL_MECH_NTLM) && Curl_auth_is_ntlm_supported()) {
+      mech = SASL_MECH_STRING_NTLM;
+      state1 = SASL_NTLM;
+      state2 = SASL_NTLM_TYPE2MSG;
+      sasl->authused = SASL_MECH_NTLM;
+
+      if(force_ir || data->set.sasl_ir)
+        result = Curl_auth_create_ntlm_type1_message(data,
+                                                     conn->user, conn->passwd,
+                                                     service,
+                                                     hostname,
+                                                     &conn->ntlm, &resp,
+                                                     &len);
+      }
+    else
+#endif
+    if((enabledmechs & SASL_MECH_OAUTHBEARER) && conn->oauth_bearer) {
+      mech = SASL_MECH_STRING_OAUTHBEARER;
+      state1 = SASL_OAUTH2;
+      state2 = SASL_OAUTH2_RESP;
+      sasl->authused = SASL_MECH_OAUTHBEARER;
+
+      if(force_ir || data->set.sasl_ir)
+        result = Curl_auth_create_oauth_bearer_message(data, conn->user,
+                                                       hostname,
+                                                       port,
+                                                       conn->oauth_bearer,
+                                                       &resp, &len);
+    }
+    else if((enabledmechs & SASL_MECH_XOAUTH2) && conn->oauth_bearer) {
+      mech = SASL_MECH_STRING_XOAUTH2;
+      state1 = SASL_OAUTH2;
+      sasl->authused = SASL_MECH_XOAUTH2;
+
+      if(force_ir || data->set.sasl_ir)
+        result = Curl_auth_create_oauth_bearer_message(data, conn->user,
+                                                       NULL, 0,
+                                                       conn->oauth_bearer,
+                                                       &resp, &len);
+    }
+    else if(enabledmechs & SASL_MECH_PLAIN) {
+      mech = SASL_MECH_STRING_PLAIN;
+      state1 = SASL_PLAIN;
+      sasl->authused = SASL_MECH_PLAIN;
+
+      if(force_ir || data->set.sasl_ir)
+        result = Curl_auth_create_plain_message(data, conn->user, conn->passwd,
+                                                &resp, &len);
+    }
+    else if(enabledmechs & SASL_MECH_LOGIN) {
+      mech = SASL_MECH_STRING_LOGIN;
+      state1 = SASL_LOGIN;
+      state2 = SASL_LOGIN_PASSWD;
+      sasl->authused = SASL_MECH_LOGIN;
+
+      if(force_ir || data->set.sasl_ir)
+        result = Curl_auth_create_login_message(data, conn->user, &resp, &len);
+    }
+  }
+
+  if(!result && mech) {
+    if(resp && sasl->params->maxirlen &&
+       strlen(mech) + len > sasl->params->maxirlen) {
+      free(resp);
+      resp = NULL;
+    }
+
+    result = sasl->params->sendauth(conn, mech, resp);
+    if(!result) {
+      *progress = SASL_INPROGRESS;
+      state(sasl, conn, resp ? state2 : state1);
+    }
+  }
+
+  free(resp);
+
+  return result;
+}
+
+/*
+ * Curl_sasl_continue()
+ *
+ * Continue the authentication.
+ */
+CURLcode Curl_sasl_continue(struct SASL *sasl, struct connectdata *conn,
+                            int code, saslprogress *progress)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  saslstate newstate = SASL_FINAL;
+  char *resp = NULL;
+  const char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
+    conn->host.name;
+  const long int port = SSL_IS_PROXY() ? conn->port : conn->remote_port;
+#if !defined(CURL_DISABLE_CRYPTO_AUTH)
+  char *chlg = NULL;
+  size_t chlglen = 0;
+#endif
+#if !defined(CURL_DISABLE_CRYPTO_AUTH) || defined(USE_KERBEROS5) || \
+    defined(USE_NTLM)
+  const char *service = data->set.str[STRING_SERVICE_NAME] ?
+                        data->set.str[STRING_SERVICE_NAME] :
+                        sasl->params->service;
+  char *serverdata;
+#endif
+  size_t len = 0;
+
+  *progress = SASL_INPROGRESS;
+
+  if(sasl->state == SASL_FINAL) {
+    if(code != sasl->params->finalcode)
+      result = CURLE_LOGIN_DENIED;
+    *progress = SASL_DONE;
+    state(sasl, conn, SASL_STOP);
+    return result;
+  }
+
+  if(sasl->state != SASL_CANCEL && sasl->state != SASL_OAUTH2_RESP &&
+     code != sasl->params->contcode) {
+    *progress = SASL_DONE;
+    state(sasl, conn, SASL_STOP);
+    return CURLE_LOGIN_DENIED;
+  }
+
+  switch(sasl->state) {
+  case SASL_STOP:
+    *progress = SASL_DONE;
+    return result;
+  case SASL_PLAIN:
+    result = Curl_auth_create_plain_message(data, conn->user, conn->passwd,
+                                            &resp,
+                                            &len);
+    break;
+  case SASL_LOGIN:
+    result = Curl_auth_create_login_message(data, conn->user, &resp, &len);
+    newstate = SASL_LOGIN_PASSWD;
+    break;
+  case SASL_LOGIN_PASSWD:
+    result = Curl_auth_create_login_message(data, conn->passwd, &resp, &len);
+    break;
+  case SASL_EXTERNAL:
+    result = Curl_auth_create_external_message(data, conn->user, &resp, &len);
+    break;
+
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+  case SASL_CRAMMD5:
+    sasl->params->getmessage(data->state.buffer, &serverdata);
+    result = Curl_auth_decode_cram_md5_message(serverdata, &chlg, &chlglen);
+    if(!result)
+      result = Curl_auth_create_cram_md5_message(data, chlg, conn->user,
+                                                 conn->passwd, &resp, &len);
+    free(chlg);
+    break;
+  case SASL_DIGESTMD5:
+    sasl->params->getmessage(data->state.buffer, &serverdata);
+    result = Curl_auth_create_digest_md5_message(data, serverdata,
+                                                 conn->user, conn->passwd,
+                                                 service,
+                                                 &resp, &len);
+    newstate = SASL_DIGESTMD5_RESP;
+    break;
+  case SASL_DIGESTMD5_RESP:
+    resp = strdup("");
+    if(!resp)
+      result = CURLE_OUT_OF_MEMORY;
+    break;
+#endif
+
+#ifdef USE_NTLM
+  case SASL_NTLM:
+    /* Create the type-1 message */
+    result = Curl_auth_create_ntlm_type1_message(data,
+                                                 conn->user, conn->passwd,
+                                                 service, hostname,
+                                                 &conn->ntlm, &resp, &len);
+    newstate = SASL_NTLM_TYPE2MSG;
+    break;
+  case SASL_NTLM_TYPE2MSG:
+    /* Decode the type-2 message */
+    sasl->params->getmessage(data->state.buffer, &serverdata);
+    result = Curl_auth_decode_ntlm_type2_message(data, serverdata,
+                                                 &conn->ntlm);
+    if(!result)
+      result = Curl_auth_create_ntlm_type3_message(data, conn->user,
+                                                   conn->passwd, &conn->ntlm,
+                                                   &resp, &len);
+    break;
+#endif
+
+#if defined(USE_KERBEROS5)
+  case SASL_GSSAPI:
+    result = Curl_auth_create_gssapi_user_message(data, conn->user,
+                                                  conn->passwd,
+                                                  service,
+                                                  data->conn->host.name,
+                                                  sasl->mutual_auth, NULL,
+                                                  &conn->krb5,
+                                                  &resp, &len);
+    newstate = SASL_GSSAPI_TOKEN;
+    break;
+  case SASL_GSSAPI_TOKEN:
+    sasl->params->getmessage(data->state.buffer, &serverdata);
+    if(sasl->mutual_auth) {
+      /* Decode the user token challenge and create the optional response
+         message */
+      result = Curl_auth_create_gssapi_user_message(data, NULL, NULL,
+                                                    NULL, NULL,
+                                                    sasl->mutual_auth,
+                                                    serverdata, &conn->krb5,
+                                                    &resp, &len);
+      newstate = SASL_GSSAPI_NO_DATA;
+    }
+    else
+      /* Decode the security challenge and create the response message */
+      result = Curl_auth_create_gssapi_security_message(data, serverdata,
+                                                        &conn->krb5,
+                                                        &resp, &len);
+    break;
+  case SASL_GSSAPI_NO_DATA:
+    sasl->params->getmessage(data->state.buffer, &serverdata);
+    /* Decode the security challenge and create the response message */
+    result = Curl_auth_create_gssapi_security_message(data, serverdata,
+                                                      &conn->krb5,
+                                                      &resp, &len);
+    break;
+#endif
+
+  case SASL_OAUTH2:
+    /* Create the authorisation message */
+    if(sasl->authused == SASL_MECH_OAUTHBEARER) {
+      result = Curl_auth_create_oauth_bearer_message(data, conn->user,
+                                                     hostname,
+                                                     port,
+                                                     conn->oauth_bearer,
+                                                     &resp, &len);
+
+      /* Failures maybe sent by the server as continuations for OAUTHBEARER */
+      newstate = SASL_OAUTH2_RESP;
+    }
+    else
+      result = Curl_auth_create_oauth_bearer_message(data, conn->user,
+                                                     NULL, 0,
+                                                     conn->oauth_bearer,
+                                                     &resp, &len);
+    break;
+
+  case SASL_OAUTH2_RESP:
+    /* The continuation is optional so check the response code */
+    if(code == sasl->params->finalcode) {
+      /* Final response was received so we are done */
+      *progress = SASL_DONE;
+      state(sasl, conn, SASL_STOP);
+      return result;
+    }
+    else if(code == sasl->params->contcode) {
+      /* Acknowledge the continuation by sending a 0x01 response base64
+         encoded */
+      resp = strdup("AQ==");
+      if(!resp)
+        result = CURLE_OUT_OF_MEMORY;
+      break;
+    }
+    else {
+      *progress = SASL_DONE;
+      state(sasl, conn, SASL_STOP);
+      return CURLE_LOGIN_DENIED;
+    }
+
+  case SASL_CANCEL:
+    /* Remove the offending mechanism from the supported list */
+    sasl->authmechs ^= sasl->authused;
+
+    /* Start an alternative SASL authentication */
+    result = Curl_sasl_start(sasl, conn, sasl->force_ir, progress);
+    newstate = sasl->state;   /* Use state from Curl_sasl_start() */
+    break;
+  default:
+    failf(data, "Unsupported SASL authentication mechanism");
+    result = CURLE_UNSUPPORTED_PROTOCOL;  /* Should not happen */
+    break;
+  }
+
+  switch(result) {
+  case CURLE_BAD_CONTENT_ENCODING:
+    /* Cancel dialog */
+    result = sasl->params->sendcont(conn, "*");
+    newstate = SASL_CANCEL;
+    break;
+  case CURLE_OK:
+    if(resp)
+      result = sasl->params->sendcont(conn, resp);
+    break;
+  default:
+    newstate = SASL_STOP;    /* Stop on error */
+    *progress = SASL_DONE;
+    break;
+  }
+
+  free(resp);
+
+  state(sasl, conn, newstate);
+
+  return result;
+}
Index: trunk/src/libs/curl-7.64.0/lib/curl_sasl.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_sasl.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_sasl.h	(revision 85671)
@@ -0,0 +1,143 @@
+#ifndef HEADER_CURL_SASL_H
+#define HEADER_CURL_SASL_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2012 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include <curl/curl.h>
+
+struct Curl_easy;
+struct connectdata;
+
+/* Authentication mechanism flags */
+#define SASL_MECH_LOGIN             (1 << 0)
+#define SASL_MECH_PLAIN             (1 << 1)
+#define SASL_MECH_CRAM_MD5          (1 << 2)
+#define SASL_MECH_DIGEST_MD5        (1 << 3)
+#define SASL_MECH_GSSAPI            (1 << 4)
+#define SASL_MECH_EXTERNAL          (1 << 5)
+#define SASL_MECH_NTLM              (1 << 6)
+#define SASL_MECH_XOAUTH2           (1 << 7)
+#define SASL_MECH_OAUTHBEARER       (1 << 8)
+
+/* Authentication mechanism values */
+#define SASL_AUTH_NONE          0
+#define SASL_AUTH_ANY           ~0U
+#define SASL_AUTH_DEFAULT       (SASL_AUTH_ANY & ~SASL_MECH_EXTERNAL)
+
+/* Authentication mechanism strings */
+#define SASL_MECH_STRING_LOGIN        "LOGIN"
+#define SASL_MECH_STRING_PLAIN        "PLAIN"
+#define SASL_MECH_STRING_CRAM_MD5     "CRAM-MD5"
+#define SASL_MECH_STRING_DIGEST_MD5   "DIGEST-MD5"
+#define SASL_MECH_STRING_GSSAPI       "GSSAPI"
+#define SASL_MECH_STRING_EXTERNAL     "EXTERNAL"
+#define SASL_MECH_STRING_NTLM         "NTLM"
+#define SASL_MECH_STRING_XOAUTH2      "XOAUTH2"
+#define SASL_MECH_STRING_OAUTHBEARER  "OAUTHBEARER"
+
+/* SASL machine states */
+typedef enum {
+  SASL_STOP,
+  SASL_PLAIN,
+  SASL_LOGIN,
+  SASL_LOGIN_PASSWD,
+  SASL_EXTERNAL,
+  SASL_CRAMMD5,
+  SASL_DIGESTMD5,
+  SASL_DIGESTMD5_RESP,
+  SASL_NTLM,
+  SASL_NTLM_TYPE2MSG,
+  SASL_GSSAPI,
+  SASL_GSSAPI_TOKEN,
+  SASL_GSSAPI_NO_DATA,
+  SASL_OAUTH2,
+  SASL_OAUTH2_RESP,
+  SASL_CANCEL,
+  SASL_FINAL
+} saslstate;
+
+/* Progress indicator */
+typedef enum {
+  SASL_IDLE,
+  SASL_INPROGRESS,
+  SASL_DONE
+} saslprogress;
+
+/* Protocol dependent SASL parameters */
+struct SASLproto {
+  const char *service;     /* The service name */
+  int contcode;            /* Code to receive when continuation is expected */
+  int finalcode;           /* Code to receive upon authentication success */
+  size_t maxirlen;         /* Maximum initial response length */
+  CURLcode (*sendauth)(struct connectdata *conn,
+                       const char *mech, const char *ir);
+                           /* Send authentication command */
+  CURLcode (*sendcont)(struct connectdata *conn, const char *contauth);
+                           /* Send authentication continuation */
+  void (*getmessage)(char *buffer, char **outptr);
+                           /* Get SASL response message */
+};
+
+/* Per-connection parameters */
+struct SASL {
+  const struct SASLproto *params; /* Protocol dependent parameters */
+  saslstate state;         /* Current machine state */
+  unsigned int authmechs;  /* Accepted authentication mechanisms */
+  unsigned int prefmech;   /* Preferred authentication mechanism */
+  unsigned int authused;   /* Auth mechanism used for the connection */
+  bool resetprefs;         /* For URL auth option parsing. */
+  bool mutual_auth;        /* Mutual authentication enabled (GSSAPI only) */
+  bool force_ir;           /* Protocol always supports initial response */
+};
+
+/* This is used to test whether the line starts with the given mechanism */
+#define sasl_mech_equal(line, wordlen, mech) \
+  (wordlen == (sizeof(mech) - 1) / sizeof(char) && \
+   !memcmp(line, mech, wordlen))
+
+/* This is used to cleanup any libraries or curl modules used by the sasl
+   functions */
+void Curl_sasl_cleanup(struct connectdata *conn, unsigned int authused);
+
+/* Convert a mechanism name to a token */
+unsigned int Curl_sasl_decode_mech(const char *ptr,
+                                   size_t maxlen, size_t *len);
+
+/* Parse the URL login options */
+CURLcode Curl_sasl_parse_url_auth_option(struct SASL *sasl,
+                                         const char *value, size_t len);
+
+/* Initializes an SASL structure */
+void Curl_sasl_init(struct SASL *sasl, const struct SASLproto *params);
+
+/* Check if we have enough auth data and capabilities to authenticate */
+bool Curl_sasl_can_authenticate(struct SASL *sasl, struct connectdata *conn);
+
+/* Calculate the required login details for SASL authentication  */
+CURLcode Curl_sasl_start(struct SASL *sasl, struct connectdata *conn,
+                         bool force_ir, saslprogress *progress);
+
+/* Continue an SASL authentication  */
+CURLcode Curl_sasl_continue(struct SASL *sasl, struct connectdata *conn,
+                            int code, saslprogress *progress);
+
+#endif /* HEADER_CURL_SASL_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_sec.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_sec.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_sec.h	(revision 85671)
@@ -0,0 +1,51 @@
+#ifndef HEADER_CURL_SECURITY_H
+#define HEADER_CURL_SECURITY_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+struct Curl_sec_client_mech {
+  const char *name;
+  size_t size;
+  int (*init)(void *);
+  int (*auth)(void *, struct connectdata *);
+  void (*end)(void *);
+  int (*check_prot)(void *, int);
+  int (*overhead)(void *, int, int);
+  int (*encode)(void *, const void *, int, int, void **);
+  int (*decode)(void *, void *, int, int, struct connectdata *);
+};
+
+#define AUTH_OK         0
+#define AUTH_CONTINUE   1
+#define AUTH_ERROR      2
+
+#ifdef HAVE_GSSAPI
+int Curl_sec_read_msg(struct connectdata *conn, char *,
+                      enum protection_level);
+void Curl_sec_end(struct connectdata *);
+CURLcode Curl_sec_login(struct connectdata *);
+int Curl_sec_request_prot(struct connectdata *conn, const char *level);
+
+extern struct Curl_sec_client_mech Curl_krb5_client_mech;
+#endif
+
+#endif /* HEADER_CURL_SECURITY_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_setup.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_setup.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_setup.h	(revision 85671)
@@ -0,0 +1,831 @@
+#ifndef HEADER_CURL_SETUP_H
+#define HEADER_CURL_SETUP_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#if defined(BUILDING_LIBCURL) && !defined(CURL_NO_OLDIES)
+#define CURL_NO_OLDIES
+#endif
+
+/*
+ * Define WIN32 when build target is Win32 API
+ */
+
+#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32) && \
+    !defined(__SYMBIAN32__)
+#define WIN32
+#endif
+
+#ifdef WIN32
+/*
+ * Don't include unneeded stuff in Windows headers to avoid compiler
+ * warnings and macro clashes.
+ * Make sure to define this macro before including any Windows headers.
+ */
+#  ifndef WIN32_LEAN_AND_MEAN
+#    define WIN32_LEAN_AND_MEAN
+#  endif
+#  ifndef NOGDI
+#    define NOGDI
+#  endif
+#endif
+
+/*
+ * Include configuration script results or hand-crafted
+ * configuration file for platforms which lack config tool.
+ */
+
+#ifdef HAVE_CONFIG_H
+
+#include "curl_config.h"
+
+#else /* HAVE_CONFIG_H */
+
+#ifdef _WIN32_WCE
+#  include "config-win32ce.h"
+#else
+#  ifdef WIN32
+#    include "config-win32.h"
+#  endif
+#endif
+
+#if defined(macintosh) && defined(__MRC__)
+#  include "config-mac.h"
+#endif
+
+#ifdef __riscos__
+#  include "config-riscos.h"
+#endif
+
+#ifdef __AMIGA__
+#  include "config-amigaos.h"
+#endif
+
+#ifdef __SYMBIAN32__
+#  include "config-symbian.h"
+#endif
+
+#ifdef __OS400__
+#  include "config-os400.h"
+#endif
+
+#ifdef TPF
+#  include "config-tpf.h"
+#endif
+
+#ifdef __VXWORKS__
+#  include "config-vxworks.h"
+#endif
+
+#endif /* HAVE_CONFIG_H */
+
+/* ================================================================ */
+/* Definition of preprocessor macros/symbols which modify compiler  */
+/* behavior or generated code characteristics must be done here,   */
+/* as appropriate, before any system header file is included. It is */
+/* also possible to have them defined in the config file included   */
+/* before this point. As a result of all this we frown inclusion of */
+/* system header files in our config files, avoid this at any cost. */
+/* ================================================================ */
+
+/*
+ * AIX 4.3 and newer needs _THREAD_SAFE defined to build
+ * proper reentrant code. Others may also need it.
+ */
+
+#ifdef NEED_THREAD_SAFE
+#  ifndef _THREAD_SAFE
+#    define _THREAD_SAFE
+#  endif
+#endif
+
+/*
+ * Tru64 needs _REENTRANT set for a few function prototypes and
+ * things to appear in the system header files. Unixware needs it
+ * to build proper reentrant code. Others may also need it.
+ */
+
+#ifdef NEED_REENTRANT
+#  ifndef _REENTRANT
+#    define _REENTRANT
+#  endif
+#endif
+
+/* Solaris needs this to get a POSIX-conformant getpwuid_r */
+#if defined(sun) || defined(__sun)
+#  ifndef _POSIX_PTHREAD_SEMANTICS
+#    define _POSIX_PTHREAD_SEMANTICS 1
+#  endif
+#endif
+
+/* ================================================================ */
+/*  If you need to include a system header file for your platform,  */
+/*  please, do it beyond the point further indicated in this file.  */
+/* ================================================================ */
+
+#include <curl/curl.h>
+
+#define CURL_SIZEOF_CURL_OFF_T SIZEOF_CURL_OFF_T
+
+/*
+ * Disable other protocols when http is the only one desired.
+ */
+
+#ifdef HTTP_ONLY
+#  ifndef CURL_DISABLE_TFTP
+#    define CURL_DISABLE_TFTP
+#  endif
+#  ifndef CURL_DISABLE_FTP
+#    define CURL_DISABLE_FTP
+#  endif
+#  ifndef CURL_DISABLE_LDAP
+#    define CURL_DISABLE_LDAP
+#  endif
+#  ifndef CURL_DISABLE_TELNET
+#    define CURL_DISABLE_TELNET
+#  endif
+#  ifndef CURL_DISABLE_DICT
+#    define CURL_DISABLE_DICT
+#  endif
+#  ifndef CURL_DISABLE_FILE
+#    define CURL_DISABLE_FILE
+#  endif
+#  ifndef CURL_DISABLE_RTSP
+#    define CURL_DISABLE_RTSP
+#  endif
+#  ifndef CURL_DISABLE_POP3
+#    define CURL_DISABLE_POP3
+#  endif
+#  ifndef CURL_DISABLE_IMAP
+#    define CURL_DISABLE_IMAP
+#  endif
+#  ifndef CURL_DISABLE_SMTP
+#    define CURL_DISABLE_SMTP
+#  endif
+#  ifndef CURL_DISABLE_GOPHER
+#    define CURL_DISABLE_GOPHER
+#  endif
+#  ifndef CURL_DISABLE_SMB
+#    define CURL_DISABLE_SMB
+#  endif
+#endif
+
+/*
+ * When http is disabled rtsp is not supported.
+ */
+
+#if defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_RTSP)
+#  define CURL_DISABLE_RTSP
+#endif
+
+/* ================================================================ */
+/* No system header file shall be included in this file before this */
+/* point. The only allowed ones are those included from curl/system.h */
+/* ================================================================ */
+
+/*
+ * OS/400 setup file includes some system headers.
+ */
+
+#ifdef __OS400__
+#  include "setup-os400.h"
+#endif
+
+/*
+ * VMS setup file includes some system headers.
+ */
+
+#ifdef __VMS
+#  include "setup-vms.h"
+#endif
+
+/*
+ * Use getaddrinfo to resolve the IPv4 address literal. If the current network
+ * interface doesn't support IPv4, but supports IPv6, NAT64, and DNS64,
+ * performing this task will result in a synthesized IPv6 address.
+ */
+#ifdef  __APPLE__
+#define USE_RESOLVE_ON_IPS 1
+#endif
+
+/*
+ * Include header files for windows builds before redefining anything.
+ * Use this preprocessor block only to include or exclude windows.h,
+ * winsock2.h, ws2tcpip.h or winsock.h. Any other windows thing belongs
+ * to any other further and independent block.  Under Cygwin things work
+ * just as under linux (e.g. <sys/socket.h>) and the winsock headers should
+ * never be included when __CYGWIN__ is defined.  configure script takes
+ * care of this, not defining HAVE_WINDOWS_H, HAVE_WINSOCK_H, HAVE_WINSOCK2_H,
+ * neither HAVE_WS2TCPIP_H when __CYGWIN__ is defined.
+ */
+
+#ifdef HAVE_WINDOWS_H
+#  if defined(UNICODE) && !defined(_UNICODE)
+#    define _UNICODE
+#  endif
+#  if defined(_UNICODE) && !defined(UNICODE)
+#    define UNICODE
+#  endif
+# ifdef VBOX
+#  include <iprt/win/windows.h>
+# else
+#  include <winerror.h>
+#  include <windows.h>
+# endif
+#  ifdef HAVE_WINSOCK2_H
+#   ifdef VBOX
+#    include <iprt/win/winsock2.h>
+#   else
+#    include <winsock2.h>
+#   endif
+#    ifdef HAVE_WS2TCPIP_H
+#     ifdef VBOX
+#      include <iprt/win/ws2tcpip.h>
+#     else
+#      include <ws2tcpip.h>
+#     endif
+#    endif
+#  else
+#    ifdef HAVE_WINSOCK_H
+#      include <winsock.h>
+#    endif
+#  endif
+#  include <tchar.h>
+#  ifdef UNICODE
+     typedef wchar_t *(*curl_wcsdup_callback)(const wchar_t *str);
+#  endif
+#endif
+
+/*
+ * Define USE_WINSOCK to 2 if we have and use WINSOCK2 API, else
+ * define USE_WINSOCK to 1 if we have and use WINSOCK  API, else
+ * undefine USE_WINSOCK.
+ */
+
+#undef USE_WINSOCK
+
+#ifdef HAVE_WINSOCK2_H
+#  define USE_WINSOCK 2
+#else
+#  ifdef HAVE_WINSOCK_H
+#    define USE_WINSOCK 1
+#  endif
+#endif
+
+#ifdef USE_LWIPSOCK
+#  include <lwip/init.h>
+#  include <lwip/sockets.h>
+#  include <lwip/netdb.h>
+#endif
+
+#ifdef HAVE_EXTRA_STRICMP_H
+#  include <extra/stricmp.h>
+#endif
+
+#ifdef HAVE_EXTRA_STRDUP_H
+#  include <extra/strdup.h>
+#endif
+
+#ifdef TPF
+#  include <strings.h>    /* for bzero, strcasecmp, and strncasecmp */
+#  include <string.h>     /* for strcpy and strlen */
+#  include <stdlib.h>     /* for rand and srand */
+#  include <sys/socket.h> /* for select and ioctl*/
+#  include <netdb.h>      /* for in_addr_t definition */
+#  include <tpf/sysapi.h> /* for tpf_process_signals */
+   /* change which select is used for libcurl */
+#  define select(a,b,c,d,e) tpf_select_libcurl(a,b,c,d,e)
+#endif
+
+#ifdef __VXWORKS__
+#  include <sockLib.h>    /* for generic BSD socket functions */
+#  include <ioLib.h>      /* for basic I/O interface functions */
+#endif
+
+#ifdef __AMIGA__
+#  ifndef __ixemul__
+#    include <exec/types.h>
+#    include <exec/execbase.h>
+#    include <proto/exec.h>
+#    include <proto/dos.h>
+#    define select(a,b,c,d,e) WaitSelect(a,b,c,d,e,0)
+#  endif
+#endif
+
+#include <stdio.h>
+#ifdef HAVE_ASSERT_H
+#include <assert.h>
+#endif
+
+#ifdef __TANDEM /* for nsr-tandem-nsk systems */
+#include <floss.h>
+#endif
+
+#ifndef STDC_HEADERS /* no standard C headers! */
+#include <curl/stdcheaders.h>
+#endif
+
+#ifdef __POCC__
+#  include <sys/types.h>
+#  include <unistd.h>
+#  define sys_nerr EILSEQ
+#endif
+
+/*
+ * Salford-C kludge section (mostly borrowed from wxWidgets).
+ */
+#ifdef __SALFORDC__
+  #pragma suppress 353             /* Possible nested comments */
+  #pragma suppress 593             /* Define not used */
+  #pragma suppress 61              /* enum has no name */
+  #pragma suppress 106             /* unnamed, unused parameter */
+  #include <clib.h>
+#endif
+
+/*
+ * Large file (>2Gb) support using WIN32 functions.
+ */
+
+#ifdef USE_WIN32_LARGE_FILES
+#  include <io.h>
+#  include <sys/types.h>
+#  include <sys/stat.h>
+#  undef  lseek
+#  define lseek(fdes,offset,whence)  _lseeki64(fdes, offset, whence)
+#  undef  fstat
+#  define fstat(fdes,stp)            _fstati64(fdes, stp)
+#  undef  stat
+#  define stat(fname,stp)            _stati64(fname, stp)
+#  define struct_stat                struct _stati64
+#  define LSEEK_ERROR                (__int64)-1
+#endif
+
+/*
+ * Small file (<2Gb) support using WIN32 functions.
+ */
+
+#ifdef USE_WIN32_SMALL_FILES
+#  include <io.h>
+#  include <sys/types.h>
+#  include <sys/stat.h>
+#  ifndef _WIN32_WCE
+#    undef  lseek
+#    define lseek(fdes,offset,whence)  _lseek(fdes, (long)offset, whence)
+#    define fstat(fdes,stp)            _fstat(fdes, stp)
+#    define stat(fname,stp)            _stat(fname, stp)
+#    define struct_stat                struct _stat
+#  endif
+#  define LSEEK_ERROR                (long)-1
+#endif
+
+#ifndef struct_stat
+#  define struct_stat struct stat
+#endif
+
+#ifndef LSEEK_ERROR
+#  define LSEEK_ERROR (off_t)-1
+#endif
+
+#ifndef SIZEOF_TIME_T
+/* assume default size of time_t to be 32 bit */
+#define SIZEOF_TIME_T 4
+#endif
+
+/*
+ * Default sizeof(off_t) in case it hasn't been defined in config file.
+ */
+
+#ifndef SIZEOF_OFF_T
+#  if defined(__VMS) && !defined(__VAX)
+#    if defined(_LARGEFILE)
+#      define SIZEOF_OFF_T 8
+#    endif
+#  elif defined(__OS400__) && defined(__ILEC400__)
+#    if defined(_LARGE_FILES)
+#      define SIZEOF_OFF_T 8
+#    endif
+#  elif defined(__MVS__) && defined(__IBMC__)
+#    if defined(_LP64) || defined(_LARGE_FILES)
+#      define SIZEOF_OFF_T 8
+#    endif
+#  elif defined(__370__) && defined(__IBMC__)
+#    if defined(_LP64) || defined(_LARGE_FILES)
+#      define SIZEOF_OFF_T 8
+#    endif
+#  endif
+#  ifndef SIZEOF_OFF_T
+#    define SIZEOF_OFF_T 4
+#  endif
+#endif
+
+#if (SIZEOF_CURL_OFF_T == 4)
+#  define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFF)
+#else
+   /* assume CURL_SIZEOF_CURL_OFF_T == 8 */
+#  define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
+#endif
+#define CURL_OFF_T_MIN (-CURL_OFF_T_MAX - CURL_OFF_T_C(1))
+
+#if (SIZEOF_TIME_T == 4)
+#  ifdef HAVE_TIME_T_UNSIGNED
+#  define TIME_T_MAX UINT_MAX
+#  define TIME_T_MIN 0
+#  else
+#  define TIME_T_MAX INT_MAX
+#  define TIME_T_MIN INT_MIN
+#  endif
+#else
+#  ifdef HAVE_TIME_T_UNSIGNED
+#  define TIME_T_MAX 0xFFFFFFFFFFFFFFFF
+#  define TIME_T_MIN 0
+#  else
+#  define TIME_T_MAX 0x7FFFFFFFFFFFFFFF
+#  define TIME_T_MIN (-TIME_T_MAX - 1)
+#  endif
+#endif
+
+#ifndef SIZE_T_MAX
+/* some limits.h headers have this defined, some don't */
+#if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4)
+#define SIZE_T_MAX 18446744073709551615U
+#else
+#define SIZE_T_MAX 4294967295U
+#endif
+#endif
+
+/*
+ * Arg 2 type for gethostname in case it hasn't been defined in config file.
+ */
+
+#ifndef GETHOSTNAME_TYPE_ARG2
+#  ifdef USE_WINSOCK
+#    define GETHOSTNAME_TYPE_ARG2 int
+#  else
+#    define GETHOSTNAME_TYPE_ARG2 size_t
+#  endif
+#endif
+
+/* Below we define some functions. They should
+
+   4. set the SIGALRM signal timeout
+   5. set dir/file naming defines
+   */
+
+#ifdef WIN32
+
+#  define DIR_CHAR      "\\"
+#  define DOT_CHAR      "_"
+
+#else /* WIN32 */
+
+#  ifdef MSDOS  /* Watt-32 */
+
+#    include <sys/ioctl.h>
+#    define select(n,r,w,x,t) select_s(n,r,w,x,t)
+#    define ioctl(x,y,z) ioctlsocket(x,y,(char *)(z))
+#    include <tcp.h>
+#    ifdef word
+#      undef word
+#    endif
+#    ifdef byte
+#      undef byte
+#    endif
+
+#  endif /* MSDOS */
+
+#  ifdef __minix
+     /* Minix 3 versions up to at least 3.1.3 are missing these prototypes */
+     extern char *strtok_r(char *s, const char *delim, char **last);
+     extern struct tm *gmtime_r(const time_t * const timep, struct tm *tmp);
+#  endif
+
+#  define DIR_CHAR      "/"
+#  ifndef DOT_CHAR
+#    define DOT_CHAR      "."
+#  endif
+
+#  ifdef MSDOS
+#    undef DOT_CHAR
+#    define DOT_CHAR      "_"
+#  endif
+
+#  ifndef fileno /* sunos 4 have this as a macro! */
+     int fileno(FILE *stream);
+#  endif
+
+#endif /* WIN32 */
+
+/*
+ * msvc 6.0 requires PSDK in order to have INET6_ADDRSTRLEN
+ * defined in ws2tcpip.h as well as to provide IPv6 support.
+ * Does not apply if lwIP is used.
+ */
+
+#if defined(_MSC_VER) && !defined(__POCC__) && !defined(USE_LWIPSOCK)
+#  if !defined(HAVE_WS2TCPIP_H) || \
+     ((_MSC_VER < 1300) && !defined(INET6_ADDRSTRLEN))
+#    undef HAVE_GETADDRINFO_THREADSAFE
+#    undef HAVE_FREEADDRINFO
+#    undef HAVE_GETADDRINFO
+#    undef HAVE_GETNAMEINFO
+#    undef ENABLE_IPV6
+#  endif
+#endif
+
+/* ---------------------------------------------------------------- */
+/*             resolver specialty compile-time defines              */
+/*         CURLRES_* defines to use in the host*.c sources          */
+/* ---------------------------------------------------------------- */
+
+/*
+ * lcc-win32 doesn't have _beginthreadex(), lacks threads support.
+ */
+
+#if defined(__LCC__) && defined(WIN32)
+#  undef USE_THREADS_POSIX
+#  undef USE_THREADS_WIN32
+#endif
+
+/*
+ * MSVC threads support requires a multi-threaded runtime library.
+ * _beginthreadex() is not available in single-threaded ones.
+ */
+
+#if defined(_MSC_VER) && !defined(__POCC__) && !defined(_MT)
+#  undef USE_THREADS_POSIX
+#  undef USE_THREADS_WIN32
+#endif
+
+/*
+ * Mutually exclusive CURLRES_* definitions.
+ */
+
+#ifdef USE_ARES
+#  define CURLRES_ASYNCH
+#  define CURLRES_ARES
+/* now undef the stock libc functions just to avoid them being used */
+#  undef HAVE_GETADDRINFO
+#  undef HAVE_FREEADDRINFO
+#  undef HAVE_GETHOSTBYNAME
+#elif defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
+#  define CURLRES_ASYNCH
+#  define CURLRES_THREADED
+#else
+#  define CURLRES_SYNCH
+#endif
+
+#ifdef ENABLE_IPV6
+#  define CURLRES_IPV6
+#else
+#  define CURLRES_IPV4
+#endif
+
+/* ---------------------------------------------------------------- */
+
+/*
+ * When using WINSOCK, TELNET protocol requires WINSOCK2 API.
+ */
+
+#if defined(USE_WINSOCK) && (USE_WINSOCK != 2)
+#  define CURL_DISABLE_TELNET 1
+#endif
+
+/*
+ * msvc 6.0 does not have struct sockaddr_storage and
+ * does not define IPPROTO_ESP in winsock2.h. But both
+ * are available if PSDK is properly installed.
+ */
+
+#if defined(_MSC_VER) && !defined(__POCC__)
+#  if !defined(HAVE_WINSOCK2_H) || ((_MSC_VER < 1300) && !defined(IPPROTO_ESP))
+#    undef HAVE_STRUCT_SOCKADDR_STORAGE
+#  endif
+#endif
+
+/*
+ * Intentionally fail to build when using msvc 6.0 without PSDK installed.
+ * The brave of heart can circumvent this, defining ALLOW_MSVC6_WITHOUT_PSDK
+ * in lib/config-win32.h although absolutely discouraged and unsupported.
+ */
+
+#if defined(_MSC_VER) && !defined(__POCC__)
+#  if !defined(HAVE_WINDOWS_H) || ((_MSC_VER < 1300) && !defined(_FILETIME_))
+#    if !defined(ALLOW_MSVC6_WITHOUT_PSDK)
+#      error MSVC 6.0 requires "February 2003 Platform SDK" a.k.a. \
+             "Windows Server 2003 PSDK"
+#    else
+#      define CURL_DISABLE_LDAP 1
+#    endif
+#  endif
+#endif
+
+#ifdef NETWARE
+int netware_init(void);
+#ifndef __NOVELL_LIBC__
+#include <sys/bsdskt.h>
+#include <sys/timeval.h>
+#endif
+#endif
+
+#if defined(HAVE_LIBIDN2) && defined(HAVE_IDN2_H) && !defined(USE_WIN32_IDN)
+/* The lib and header are present */
+#define USE_LIBIDN2
+#endif
+
+#if defined(USE_LIBIDN2) && defined(USE_WIN32_IDN)
+#error "Both libidn2 and WinIDN are enabled, choose one."
+#endif
+
+#define LIBIDN_REQUIRED_VERSION "0.4.1"
+
+#if defined(USE_GNUTLS) || defined(USE_OPENSSL) || defined(USE_NSS) || \
+    defined(USE_POLARSSL) || defined(USE_MBEDTLS) || \
+    defined(USE_CYASSL) || defined(USE_SCHANNEL) || \
+    defined(USE_DARWINSSL) || defined(USE_GSKIT) || defined(USE_MESALINK)
+#define USE_SSL    /* SSL support has been enabled */
+#endif
+
+/* Single point where USE_SPNEGO definition might be defined */
+#if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
+    (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI))
+#define USE_SPNEGO
+#endif
+
+/* Single point where USE_KERBEROS5 definition might be defined */
+#if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
+    (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI))
+#define USE_KERBEROS5
+#endif
+
+/* Single point where USE_NTLM definition might be defined */
+#if !defined(CURL_DISABLE_NTLM) && !defined(CURL_DISABLE_CRYPTO_AUTH)
+#if defined(USE_OPENSSL) || defined(USE_WINDOWS_SSPI) || \
+    defined(USE_GNUTLS) || defined(USE_NSS) || defined(USE_DARWINSSL) || \
+    defined(USE_OS400CRYPTO) || defined(USE_WIN32_CRYPTO) || \
+    defined(USE_MBEDTLS)
+
+#define USE_NTLM
+
+#  if defined(USE_MBEDTLS)
+/* Get definition of MBEDTLS_MD4_C */
+#  include <mbedtls/md4.h>
+#  endif
+
+#endif
+#endif
+
+#ifdef CURL_WANTS_CA_BUNDLE_ENV
+#error "No longer supported. Set CURLOPT_CAINFO at runtime instead."
+#endif
+
+/*
+ * Provide a mechanism to silence picky compilers, such as gcc 4.6+.
+ * Parameters should of course normally not be unused, but for example when
+ * we have multiple implementations of the same interface it may happen.
+ */
+
+#if defined(__GNUC__) && ((__GNUC__ >= 3) || \
+  ((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 7)))
+#  define UNUSED_PARAM __attribute__((__unused__))
+#  define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
+#else
+#  define UNUSED_PARAM /*NOTHING*/
+#  define WARN_UNUSED_RESULT
+#endif
+
+/*
+ * Include macros and defines that should only be processed once.
+ */
+
+#ifndef HEADER_CURL_SETUP_ONCE_H
+#include "curl_setup_once.h"
+#endif
+
+/*
+ * Definition of our NOP statement Object-like macro
+ */
+
+#ifndef Curl_nop_stmt
+#  define Curl_nop_stmt do { } WHILE_FALSE
+#endif
+
+/*
+ * Ensure that Winsock and lwIP TCP/IP stacks are not mixed.
+ */
+
+#if defined(__LWIP_OPT_H__) || defined(LWIP_HDR_OPT_H)
+#  if defined(SOCKET) || \
+     defined(USE_WINSOCK) || \
+     defined(HAVE_WINSOCK_H) || \
+     defined(HAVE_WINSOCK2_H) || \
+     defined(HAVE_WS2TCPIP_H)
+#    error "Winsock and lwIP TCP/IP stack definitions shall not coexist!"
+#  endif
+#endif
+
+/*
+ * Portable symbolic names for Winsock shutdown() mode flags.
+ */
+
+#ifdef USE_WINSOCK
+#  define SHUT_RD   0x00
+#  define SHUT_WR   0x01
+#  define SHUT_RDWR 0x02
+#endif
+
+/* Define S_ISREG if not defined by system headers, f.e. MSVC */
+#if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG)
+#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
+#endif
+
+/* Define S_ISDIR if not defined by system headers, f.e. MSVC */
+#if !defined(S_ISDIR) && defined(S_IFMT) && defined(S_IFDIR)
+#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
+#endif
+
+/* In Windows the default file mode is text but an application can override it.
+Therefore we specify it explicitly. https://github.com/curl/curl/pull/258
+*/
+#if defined(WIN32) || defined(MSDOS)
+#define FOPEN_READTEXT "rt"
+#define FOPEN_WRITETEXT "wt"
+#define FOPEN_APPENDTEXT "at"
+#elif defined(__CYGWIN__)
+/* Cygwin has specific behavior we need to address when WIN32 is not defined.
+https://cygwin.com/cygwin-ug-net/using-textbinary.html
+For write we want our output to have line endings of LF and be compatible with
+other Cygwin utilities. For read we want to handle input that may have line
+endings either CRLF or LF so 't' is appropriate.
+*/
+#define FOPEN_READTEXT "rt"
+#define FOPEN_WRITETEXT "w"
+#define FOPEN_APPENDTEXT "a"
+#else
+#define FOPEN_READTEXT "r"
+#define FOPEN_WRITETEXT "w"
+#define FOPEN_APPENDTEXT "a"
+#endif
+
+/* WinSock destroys recv() buffer when send() failed.
+ * Enabled automatically for Windows and for Cygwin as Cygwin sockets are
+ * wrappers for WinSock sockets. https://github.com/curl/curl/issues/657
+ * Define DONT_USE_RECV_BEFORE_SEND_WORKAROUND to force disable workaround.
+ */
+#if !defined(DONT_USE_RECV_BEFORE_SEND_WORKAROUND)
+#  if defined(WIN32) || defined(__CYGWIN__)
+#    define USE_RECV_BEFORE_SEND_WORKAROUND
+#  endif
+#else  /* DONT_USE_RECV_BEFORE_SEND_WORKAROUND */
+#  ifdef USE_RECV_BEFORE_SEND_WORKAROUND
+#    undef USE_RECV_BEFORE_SEND_WORKAROUND
+#  endif
+#endif /* DONT_USE_RECV_BEFORE_SEND_WORKAROUND */
+
+/* Detect Windows App environment which has a restricted access
+ * to the Win32 APIs. */
+# if (defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0602)) || \
+  defined(WINAPI_FAMILY)
+#  include <winapifamily.h>
+#  if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) &&  \
+     !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
+#    define CURL_WINDOWS_APP
+#  endif
+# endif
+
+/* for systems that don't detect this in configure, use a sensible default */
+#ifndef CURL_SA_FAMILY_T
+#define CURL_SA_FAMILY_T unsigned short
+#endif
+
+/* Some convenience macros to get the larger/smaller value out of two given.
+   We prefix with CURL to prevent name collisions. */
+#define CURLMAX(x,y) ((x)>(y)?(x):(y))
+#define CURLMIN(x,y) ((x)<(y)?(x):(y))
+
+/* Some versions of the Android SDK is missing the declaration */
+#if defined(HAVE_GETPWUID_R) && defined(HAVE_DECL_GETPWUID_R_MISSING)
+struct passwd;
+int getpwuid_r(uid_t uid, struct passwd *pwd, char *buf,
+               size_t buflen, struct passwd **result);
+#endif
+
+#endif /* HEADER_CURL_SETUP_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_setup_once.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_setup_once.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_setup_once.h	(revision 85671)
@@ -0,0 +1,550 @@
+#ifndef HEADER_CURL_SETUP_ONCE_H
+#define HEADER_CURL_SETUP_ONCE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+
+/*
+ * Inclusion of common header files.
+ */
+
+#include <iprt/types.h> /* VirtualBox */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <ctype.h>
+
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#ifdef NEED_MALLOC_H
+#include <malloc.h>
+#endif
+
+#ifdef NEED_MEMORY_H
+#include <memory.h>
+#endif
+
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#ifdef TIME_WITH_SYS_TIME
+#include <time.h>
+#endif
+#else
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
+#endif
+
+#ifdef WIN32
+#include <io.h>
+#include <fcntl.h>
+#endif
+
+#if defined(HAVE_STDBOOL_H) && defined(HAVE_BOOL_T)
+#include <stdbool.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#ifdef __hpux
+#  if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL)
+#    ifdef _APP32_64BIT_OFF_T
+#      define OLD_APP32_64BIT_OFF_T _APP32_64BIT_OFF_T
+#      undef _APP32_64BIT_OFF_T
+#    else
+#      undef OLD_APP32_64BIT_OFF_T
+#    endif
+#  endif
+#endif
+
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
+#ifdef __hpux
+#  if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL)
+#    ifdef OLD_APP32_64BIT_OFF_T
+#      define _APP32_64BIT_OFF_T OLD_APP32_64BIT_OFF_T
+#      undef OLD_APP32_64BIT_OFF_T
+#    endif
+#  endif
+#endif
+
+/*
+ * Definition of timeval struct for platforms that don't have it.
+ */
+
+#ifndef HAVE_STRUCT_TIMEVAL
+struct timeval {
+ long tv_sec;
+ long tv_usec;
+};
+#endif
+
+
+/*
+ * If we have the MSG_NOSIGNAL define, make sure we use
+ * it as the fourth argument of function send()
+ */
+
+#ifdef HAVE_MSG_NOSIGNAL
+#define SEND_4TH_ARG MSG_NOSIGNAL
+#else
+#define SEND_4TH_ARG 0
+#endif
+
+
+#if defined(__minix)
+/* Minix doesn't support recv on TCP sockets */
+#define sread(x,y,z) (ssize_t)read((RECV_TYPE_ARG1)(x), \
+                                   (RECV_TYPE_ARG2)(y), \
+                                   (RECV_TYPE_ARG3)(z))
+
+#elif defined(HAVE_RECV)
+/*
+ * The definitions for the return type and arguments types
+ * of functions recv() and send() belong and come from the
+ * configuration file. Do not define them in any other place.
+ *
+ * HAVE_RECV is defined if you have a function named recv()
+ * which is used to read incoming data from sockets. If your
+ * function has another name then don't define HAVE_RECV.
+ *
+ * If HAVE_RECV is defined then RECV_TYPE_ARG1, RECV_TYPE_ARG2,
+ * RECV_TYPE_ARG3, RECV_TYPE_ARG4 and RECV_TYPE_RETV must also
+ * be defined.
+ *
+ * HAVE_SEND is defined if you have a function named send()
+ * which is used to write outgoing data on a connected socket.
+ * If yours has another name then don't define HAVE_SEND.
+ *
+ * If HAVE_SEND is defined then SEND_TYPE_ARG1, SEND_QUAL_ARG2,
+ * SEND_TYPE_ARG2, SEND_TYPE_ARG3, SEND_TYPE_ARG4 and
+ * SEND_TYPE_RETV must also be defined.
+ */
+
+#if !defined(RECV_TYPE_ARG1) || \
+    !defined(RECV_TYPE_ARG2) || \
+    !defined(RECV_TYPE_ARG3) || \
+    !defined(RECV_TYPE_ARG4) || \
+    !defined(RECV_TYPE_RETV)
+  /* */
+  Error Missing_definition_of_return_and_arguments_types_of_recv
+  /* */
+#else
+#define sread(x,y,z) (ssize_t)recv((RECV_TYPE_ARG1)(x), \
+                                   (RECV_TYPE_ARG2)(y), \
+                                   (RECV_TYPE_ARG3)(z), \
+                                   (RECV_TYPE_ARG4)(0))
+#endif
+#else /* HAVE_RECV */
+#ifndef sread
+  /* */
+  Error Missing_definition_of_macro_sread
+  /* */
+#endif
+#endif /* HAVE_RECV */
+
+
+#if defined(__minix)
+/* Minix doesn't support send on TCP sockets */
+#define swrite(x,y,z) (ssize_t)write((SEND_TYPE_ARG1)(x), \
+                                    (SEND_TYPE_ARG2)(y), \
+                                    (SEND_TYPE_ARG3)(z))
+
+#elif defined(HAVE_SEND)
+#if !defined(SEND_TYPE_ARG1) || \
+    !defined(SEND_QUAL_ARG2) || \
+    !defined(SEND_TYPE_ARG2) || \
+    !defined(SEND_TYPE_ARG3) || \
+    !defined(SEND_TYPE_ARG4) || \
+    !defined(SEND_TYPE_RETV)
+  /* */
+  Error Missing_definition_of_return_and_arguments_types_of_send
+  /* */
+#else
+#define swrite(x,y,z) (ssize_t)send((SEND_TYPE_ARG1)(x), \
+                                    (SEND_QUAL_ARG2 SEND_TYPE_ARG2)(y), \
+                                    (SEND_TYPE_ARG3)(z), \
+                                    (SEND_TYPE_ARG4)(SEND_4TH_ARG))
+#endif
+#else /* HAVE_SEND */
+#ifndef swrite
+  /* */
+  Error Missing_definition_of_macro_swrite
+  /* */
+#endif
+#endif /* HAVE_SEND */
+
+
+#if 0
+#if defined(HAVE_RECVFROM)
+/*
+ * Currently recvfrom is only used on udp sockets.
+ */
+#if !defined(RECVFROM_TYPE_ARG1) || \
+    !defined(RECVFROM_TYPE_ARG2) || \
+    !defined(RECVFROM_TYPE_ARG3) || \
+    !defined(RECVFROM_TYPE_ARG4) || \
+    !defined(RECVFROM_TYPE_ARG5) || \
+    !defined(RECVFROM_TYPE_ARG6) || \
+    !defined(RECVFROM_TYPE_RETV)
+  /* */
+  Error Missing_definition_of_return_and_arguments_types_of_recvfrom
+  /* */
+#else
+#define sreadfrom(s,b,bl,f,fl) (ssize_t)recvfrom((RECVFROM_TYPE_ARG1)  (s),  \
+                                                 (RECVFROM_TYPE_ARG2 *)(b),  \
+                                                 (RECVFROM_TYPE_ARG3)  (bl), \
+                                                 (RECVFROM_TYPE_ARG4)  (0),  \
+                                                 (RECVFROM_TYPE_ARG5 *)(f),  \
+                                                 (RECVFROM_TYPE_ARG6 *)(fl))
+#endif
+#else /* HAVE_RECVFROM */
+#ifndef sreadfrom
+  /* */
+  Error Missing_definition_of_macro_sreadfrom
+  /* */
+#endif
+#endif /* HAVE_RECVFROM */
+
+
+#ifdef RECVFROM_TYPE_ARG6_IS_VOID
+#  define RECVFROM_ARG6_T int
+#else
+#  define RECVFROM_ARG6_T RECVFROM_TYPE_ARG6
+#endif
+#endif /* if 0 */
+
+
+/*
+ * Function-like macro definition used to close a socket.
+ */
+
+#if defined(HAVE_CLOSESOCKET)
+#  define sclose(x)  closesocket((x))
+#elif defined(HAVE_CLOSESOCKET_CAMEL)
+#  define sclose(x)  CloseSocket((x))
+#elif defined(HAVE_CLOSE_S)
+#  define sclose(x)  close_s((x))
+#elif defined(USE_LWIPSOCK)
+#  define sclose(x)  lwip_close((x))
+#else
+#  define sclose(x)  close((x))
+#endif
+
+/*
+ * Stack-independent version of fcntl() on sockets:
+ */
+#if defined(USE_LWIPSOCK)
+#  define sfcntl  lwip_fcntl
+#else
+#  define sfcntl  fcntl
+#endif
+
+#define TOLOWER(x)  (tolower((int)  ((unsigned char)x)))
+
+
+/*
+ * 'bool' stuff compatible with HP-UX headers.
+ */
+
+#if defined(__hpux) && !defined(HAVE_BOOL_T)
+   typedef int bool;
+#  define false 0
+#  define true 1
+#  define HAVE_BOOL_T
+#endif
+
+
+/*
+ * 'bool' exists on platforms with <stdbool.h>, i.e. C99 platforms.
+ * On non-C99 platforms there's no bool, so define an enum for that.
+ * On C99 platforms 'false' and 'true' also exist. Enum uses a
+ * global namespace though, so use bool_false and bool_true.
+ */
+
+#ifndef VBOX /* VirtualBox */
+#ifndef HAVE_BOOL_T
+  typedef enum {
+      bool_false = 0,
+      bool_true  = 1
+  } bool;
+
+/*
+ * Use a define to let 'true' and 'false' use those enums.  There
+ * are currently no use of true and false in libcurl proper, but
+ * there are some in the examples. This will cater for any later
+ * code happening to use true and false.
+ */
+#  define false bool_false
+#  define true  bool_true
+#  define HAVE_BOOL_T
+#endif
+#endif
+
+
+/*
+ * Redefine TRUE and FALSE too, to catch current use. With this
+ * change, 'bool found = 1' will give a warning on MIPSPro, but
+ * 'bool found = TRUE' will not. Change tested on IRIX/MIPSPro,
+ * AIX 5.1/Xlc, Tru64 5.1/cc, w/make test too.
+ */
+
+#ifndef TRUE
+#define TRUE true
+#endif
+#ifndef FALSE
+#define FALSE false
+#endif
+
+#include "curl_ctype.h"
+
+/*
+ * Macro WHILE_FALSE may be used to build single-iteration do-while loops,
+ * avoiding compiler warnings. Mostly intended for other macro definitions.
+ */
+
+#define WHILE_FALSE  while(0)
+
+#if defined(_MSC_VER) && !defined(__POCC__)
+#  undef WHILE_FALSE
+#  if (_MSC_VER < 1500)
+#    define WHILE_FALSE  while(1, 0)
+#  else
+#    define WHILE_FALSE \
+__pragma(warning(push)) \
+__pragma(warning(disable:4127)) \
+while(0) \
+__pragma(warning(pop))
+#  endif
+#endif
+
+
+/*
+ * Typedef to 'int' if sig_atomic_t is not an available 'typedefed' type.
+ */
+
+#ifndef HAVE_SIG_ATOMIC_T
+typedef int sig_atomic_t;
+#define HAVE_SIG_ATOMIC_T
+#endif
+
+
+/*
+ * Convenience SIG_ATOMIC_T definition
+ */
+
+#ifdef HAVE_SIG_ATOMIC_T_VOLATILE
+#define SIG_ATOMIC_T static sig_atomic_t
+#else
+#define SIG_ATOMIC_T static volatile sig_atomic_t
+#endif
+
+
+/*
+ * Default return type for signal handlers.
+ */
+
+#ifndef RETSIGTYPE
+#define RETSIGTYPE void
+#endif
+
+
+/*
+ * Macro used to include code only in debug builds.
+ */
+
+#ifdef DEBUGBUILD
+#define DEBUGF(x) x
+#else
+#define DEBUGF(x) do { } WHILE_FALSE
+#endif
+
+
+/*
+ * Macro used to include assertion code only in debug builds.
+ */
+
+#if defined(DEBUGBUILD) && defined(HAVE_ASSERT_H)
+#define DEBUGASSERT(x) assert(x)
+#else
+#define DEBUGASSERT(x) do { } WHILE_FALSE
+#endif
+
+
+/*
+ * Macro SOCKERRNO / SET_SOCKERRNO() returns / sets the *socket-related* errno
+ * (or equivalent) on this platform to hide platform details to code using it.
+ */
+
+#ifdef USE_WINSOCK
+#define SOCKERRNO         ((int)WSAGetLastError())
+#define SET_SOCKERRNO(x)  (WSASetLastError((int)(x)))
+#else
+#define SOCKERRNO         (errno)
+#define SET_SOCKERRNO(x)  (errno = (x))
+#endif
+
+
+/*
+ * Portable error number symbolic names defined to Winsock error codes.
+ */
+
+#ifdef USE_WINSOCK
+
+# if defined(_MSC_VER) && _MSC_VER >= 1600 /* VirtualBox bird */
+#  include <errno.h>
+#  undef ELOOP
+#  undef EWOULDBLOCK
+#  undef EHOSTUNREACH
+#  undef EINPROGRESS
+#  undef EALREADY
+#  undef ENOTSOCK
+#  undef EDESTADDRREQ
+#  undef EMSGSIZE
+#  undef EPROTOTYPE
+#  undef ENOPROTOOPT
+#  undef EPROTONOSUPPORT
+#  undef EOPNOTSUPP
+#  undef EAFNOSUPPORT
+#  undef EADDRINUSE
+#  undef EADDRNOTAVAIL
+#  undef ENETDOWN
+#  undef ENETUNREACH
+#  undef ENETRESET
+#  undef ECONNABORTED
+#  undef ECONNRESET
+#  undef ENOBUFS
+#  undef EISCONN
+#  undef ENOTCONN
+#  undef ETIMEDOUT
+#  undef ECONNREFUSED
+# endif
+
+#undef  EBADF            /* override definition in errno.h */
+#define EBADF            WSAEBADF
+#undef  EINTR            /* override definition in errno.h */
+#define EINTR            WSAEINTR
+#undef  EINVAL           /* override definition in errno.h */
+#define EINVAL           WSAEINVAL
+#undef  EWOULDBLOCK      /* override definition in errno.h */
+#define EWOULDBLOCK      WSAEWOULDBLOCK
+#undef  EINPROGRESS      /* override definition in errno.h */
+#define EINPROGRESS      WSAEINPROGRESS
+#undef  EALREADY         /* override definition in errno.h */
+#define EALREADY         WSAEALREADY
+#undef  ENOTSOCK         /* override definition in errno.h */
+#define ENOTSOCK         WSAENOTSOCK
+#undef  EDESTADDRREQ     /* override definition in errno.h */
+#define EDESTADDRREQ     WSAEDESTADDRREQ
+#undef  EMSGSIZE         /* override definition in errno.h */
+#define EMSGSIZE         WSAEMSGSIZE
+#undef  EPROTOTYPE       /* override definition in errno.h */
+#define EPROTOTYPE       WSAEPROTOTYPE
+#undef  ENOPROTOOPT      /* override definition in errno.h */
+#define ENOPROTOOPT      WSAENOPROTOOPT
+#undef  EPROTONOSUPPORT  /* override definition in errno.h */
+#define EPROTONOSUPPORT  WSAEPROTONOSUPPORT
+#define ESOCKTNOSUPPORT  WSAESOCKTNOSUPPORT
+#undef  EOPNOTSUPP       /* override definition in errno.h */
+#define EOPNOTSUPP       WSAEOPNOTSUPP
+#define EPFNOSUPPORT     WSAEPFNOSUPPORT
+#undef  EAFNOSUPPORT     /* override definition in errno.h */
+#define EAFNOSUPPORT     WSAEAFNOSUPPORT
+#undef  EADDRINUSE       /* override definition in errno.h */
+#define EADDRINUSE       WSAEADDRINUSE
+#undef  EADDRNOTAVAIL    /* override definition in errno.h */
+#define EADDRNOTAVAIL    WSAEADDRNOTAVAIL
+#undef  ENETDOWN         /* override definition in errno.h */
+#define ENETDOWN         WSAENETDOWN
+#undef  ENETUNREACH      /* override definition in errno.h */
+#define ENETUNREACH      WSAENETUNREACH
+#undef  ENETRESET        /* override definition in errno.h */
+#define ENETRESET        WSAENETRESET
+#undef  ECONNABORTED     /* override definition in errno.h */
+#define ECONNABORTED     WSAECONNABORTED
+#undef  ECONNRESET       /* override definition in errno.h */
+#define ECONNRESET       WSAECONNRESET
+#undef  ENOBUFS          /* override definition in errno.h */
+#define ENOBUFS          WSAENOBUFS
+#undef  EISCONN          /* override definition in errno.h */
+#define EISCONN          WSAEISCONN
+#undef  ENOTCONN         /* override definition in errno.h */
+#define ENOTCONN         WSAENOTCONN
+#define ESHUTDOWN        WSAESHUTDOWN
+#define ETOOMANYREFS     WSAETOOMANYREFS
+#undef  ETIMEDOUT        /* override definition in errno.h */
+#define ETIMEDOUT        WSAETIMEDOUT
+#undef  ECONNREFUSED     /* override definition in errno.h */
+#define ECONNREFUSED     WSAECONNREFUSED
+#undef  ELOOP            /* override definition in errno.h */
+#define ELOOP            WSAELOOP
+#ifndef ENAMETOOLONG     /* possible previous definition in errno.h */
+#define ENAMETOOLONG     WSAENAMETOOLONG
+#endif
+#define EHOSTDOWN        WSAEHOSTDOWN
+#undef  EHOSTUNREACH     /* override definition in errno.h */
+#define EHOSTUNREACH     WSAEHOSTUNREACH
+#ifndef ENOTEMPTY        /* possible previous definition in errno.h */
+#define ENOTEMPTY        WSAENOTEMPTY
+#endif
+#define EPROCLIM         WSAEPROCLIM
+#define EUSERS           WSAEUSERS
+#define EDQUOT           WSAEDQUOT
+#define ESTALE           WSAESTALE
+#define EREMOTE          WSAEREMOTE
+#endif
+
+/*
+ * Macro argv_item_t hides platform details to code using it.
+ */
+
+#ifdef __VMS
+#define argv_item_t  __char_ptr32
+#else
+#define argv_item_t  char *
+#endif
+
+
+/*
+ * We use this ZERO_NULL to avoid picky compiler warnings,
+ * when assigning a NULL pointer to a function pointer var.
+ */
+
+#define ZERO_NULL 0
+
+
+#endif /* HEADER_CURL_SETUP_ONCE_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_sha256.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_sha256.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_sha256.h	(revision 85671)
@@ -0,0 +1,32 @@
+#ifndef HEADER_CURL_SHA256_H
+#define HEADER_CURL_SHA256_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2010, Florin Petriuc, <petriuc.florin@gmail.com>
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+
+void Curl_sha256it(unsigned char *outbuffer,
+                const unsigned char *input);
+
+#endif
+
+#endif /* HEADER_CURL_SHA256_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_sspi.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_sspi.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_sspi.c	(revision 85671)
@@ -0,0 +1,236 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef USE_WINDOWS_SSPI
+
+#include <curl/curl.h>
+#include "curl_sspi.h"
+#include "curl_multibyte.h"
+#include "system_win32.h"
+#include "warnless.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* We use our own typedef here since some headers might lack these */
+typedef PSecurityFunctionTable (APIENTRY *INITSECURITYINTERFACE_FN)(VOID);
+
+/* See definition of SECURITY_ENTRYPOINT in sspi.h */
+#ifdef UNICODE
+#  ifdef _WIN32_WCE
+#    define SECURITYENTRYPOINT L"InitSecurityInterfaceW"
+#  else
+#    define SECURITYENTRYPOINT "InitSecurityInterfaceW"
+#  endif
+#else
+#  define SECURITYENTRYPOINT "InitSecurityInterfaceA"
+#endif
+
+/* Handle of security.dll or secur32.dll, depending on Windows version */
+HMODULE s_hSecDll = NULL;
+
+/* Pointer to SSPI dispatch table */
+PSecurityFunctionTable s_pSecFn = NULL;
+
+/*
+ * Curl_sspi_global_init()
+ *
+ * This is used to load the Security Service Provider Interface (SSPI)
+ * dynamic link library portably across all Windows versions, without
+ * the need to directly link libcurl, nor the application using it, at
+ * build time.
+ *
+ * Once this function has been executed, Windows SSPI functions can be
+ * called through the Security Service Provider Interface dispatch table.
+ *
+ * Parameters:
+ *
+ * None.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_sspi_global_init(void)
+{
+  INITSECURITYINTERFACE_FN pInitSecurityInterface;
+
+  /* If security interface is not yet initialized try to do this */
+  if(!s_hSecDll) {
+    /* Security Service Provider Interface (SSPI) functions are located in
+     * security.dll on WinNT 4.0 and in secur32.dll on Win9x. Win2K and XP
+     * have both these DLLs (security.dll forwards calls to secur32.dll) */
+
+    /* Load SSPI dll into the address space of the calling process */
+    if(Curl_verify_windows_version(4, 0, PLATFORM_WINNT, VERSION_EQUAL))
+      s_hSecDll = Curl_load_library(TEXT("security.dll"));
+    else
+      s_hSecDll = Curl_load_library(TEXT("secur32.dll"));
+    if(!s_hSecDll)
+      return CURLE_FAILED_INIT;
+
+    /* Get address of the InitSecurityInterfaceA function from the SSPI dll */
+    pInitSecurityInterface =
+      CURLX_FUNCTION_CAST(INITSECURITYINTERFACE_FN,
+                          (GetProcAddress(s_hSecDll, SECURITYENTRYPOINT)));
+    if(!pInitSecurityInterface)
+      return CURLE_FAILED_INIT;
+
+    /* Get pointer to Security Service Provider Interface dispatch table */
+    s_pSecFn = pInitSecurityInterface();
+    if(!s_pSecFn)
+      return CURLE_FAILED_INIT;
+  }
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_sspi_global_cleanup()
+ *
+ * This deinitializes the Security Service Provider Interface from libcurl.
+ *
+ * Parameters:
+ *
+ * None.
+ */
+void Curl_sspi_global_cleanup(void)
+{
+  if(s_hSecDll) {
+    FreeLibrary(s_hSecDll);
+    s_hSecDll = NULL;
+    s_pSecFn = NULL;
+  }
+}
+
+/*
+ * Curl_create_sspi_identity()
+ *
+ * This is used to populate a SSPI identity structure based on the supplied
+ * username and password.
+ *
+ * Parameters:
+ *
+ * userp    [in]     - The user name in the format User or Domain\User.
+ * passwdp  [in]     - The user's password.
+ * identity [in/out] - The identity structure.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_create_sspi_identity(const char *userp, const char *passwdp,
+                                   SEC_WINNT_AUTH_IDENTITY *identity)
+{
+  xcharp_u useranddomain;
+  xcharp_u user, dup_user;
+  xcharp_u domain, dup_domain;
+  xcharp_u passwd, dup_passwd;
+  size_t domlen = 0;
+
+  domain.const_tchar_ptr = TEXT("");
+
+  /* Initialize the identity */
+  memset(identity, 0, sizeof(*identity));
+
+  useranddomain.tchar_ptr = Curl_convert_UTF8_to_tchar((char *)userp);
+  if(!useranddomain.tchar_ptr)
+    return CURLE_OUT_OF_MEMORY;
+
+  user.const_tchar_ptr = _tcschr(useranddomain.const_tchar_ptr, TEXT('\\'));
+  if(!user.const_tchar_ptr)
+    user.const_tchar_ptr = _tcschr(useranddomain.const_tchar_ptr, TEXT('/'));
+
+  if(user.tchar_ptr) {
+    domain.tchar_ptr = useranddomain.tchar_ptr;
+    domlen = user.tchar_ptr - useranddomain.tchar_ptr;
+    user.tchar_ptr++;
+  }
+  else {
+    user.tchar_ptr = useranddomain.tchar_ptr;
+    domain.const_tchar_ptr = TEXT("");
+    domlen = 0;
+  }
+
+  /* Setup the identity's user and length */
+  dup_user.tchar_ptr = _tcsdup(user.tchar_ptr);
+  if(!dup_user.tchar_ptr) {
+    Curl_unicodefree(useranddomain.tchar_ptr);
+    return CURLE_OUT_OF_MEMORY;
+  }
+  identity->User = dup_user.tbyte_ptr;
+  identity->UserLength = curlx_uztoul(_tcslen(dup_user.tchar_ptr));
+  dup_user.tchar_ptr = NULL;
+
+  /* Setup the identity's domain and length */
+  dup_domain.tchar_ptr = malloc(sizeof(TCHAR) * (domlen + 1));
+  if(!dup_domain.tchar_ptr) {
+    Curl_unicodefree(useranddomain.tchar_ptr);
+    return CURLE_OUT_OF_MEMORY;
+  }
+  _tcsncpy(dup_domain.tchar_ptr, domain.tchar_ptr, domlen);
+  *(dup_domain.tchar_ptr + domlen) = TEXT('\0');
+  identity->Domain = dup_domain.tbyte_ptr;
+  identity->DomainLength = curlx_uztoul(domlen);
+  dup_domain.tchar_ptr = NULL;
+
+  Curl_unicodefree(useranddomain.tchar_ptr);
+
+  /* Setup the identity's password and length */
+  passwd.tchar_ptr = Curl_convert_UTF8_to_tchar((char *)passwdp);
+  if(!passwd.tchar_ptr)
+    return CURLE_OUT_OF_MEMORY;
+  dup_passwd.tchar_ptr = _tcsdup(passwd.tchar_ptr);
+  if(!dup_passwd.tchar_ptr) {
+    Curl_unicodefree(passwd.tchar_ptr);
+    return CURLE_OUT_OF_MEMORY;
+  }
+  identity->Password = dup_passwd.tbyte_ptr;
+  identity->PasswordLength = curlx_uztoul(_tcslen(dup_passwd.tchar_ptr));
+  dup_passwd.tchar_ptr = NULL;
+
+  Curl_unicodefree(passwd.tchar_ptr);
+
+  /* Setup the identity's flags */
+  identity->Flags = SECFLAG_WINNT_AUTH_IDENTITY;
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_sspi_free_identity()
+ *
+ * This is used to free the contents of a SSPI identifier structure.
+ *
+ * Parameters:
+ *
+ * identity [in/out] - The identity structure.
+ */
+void Curl_sspi_free_identity(SEC_WINNT_AUTH_IDENTITY *identity)
+{
+  if(identity) {
+    Curl_safefree(identity->User);
+    Curl_safefree(identity->Password);
+    Curl_safefree(identity->Domain);
+  }
+}
+
+#endif /* USE_WINDOWS_SSPI */
Index: trunk/src/libs/curl-7.64.0/lib/curl_sspi.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_sspi.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_sspi.h	(revision 85671)
@@ -0,0 +1,350 @@
+#ifndef HEADER_CURL_SSPI_H
+#define HEADER_CURL_SSPI_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef USE_WINDOWS_SSPI
+
+#include <curl/curl.h>
+
+/*
+ * When including the following three headers, it is mandatory to define either
+ * SECURITY_WIN32 or SECURITY_KERNEL, indicating who is compiling the code.
+ */
+
+#undef SECURITY_WIN32
+#undef SECURITY_KERNEL
+#define SECURITY_WIN32 1
+#include <security.h>
+#include <sspi.h>
+#include <rpc.h>
+
+CURLcode Curl_sspi_global_init(void);
+void Curl_sspi_global_cleanup(void);
+
+/* This is used to populate the domain in a SSPI identity structure */
+CURLcode Curl_override_sspi_http_realm(const char *chlg,
+                                       SEC_WINNT_AUTH_IDENTITY *identity);
+
+/* This is used to generate an SSPI identity structure */
+CURLcode Curl_create_sspi_identity(const char *userp, const char *passwdp,
+                                   SEC_WINNT_AUTH_IDENTITY *identity);
+
+/* This is used to free an SSPI identity structure */
+void Curl_sspi_free_identity(SEC_WINNT_AUTH_IDENTITY *identity);
+
+/* Forward-declaration of global variables defined in curl_sspi.c */
+extern HMODULE s_hSecDll;
+extern PSecurityFunctionTable s_pSecFn;
+
+/* Provide some definitions missing in old headers */
+#define SP_NAME_DIGEST              "WDigest"
+#define SP_NAME_NTLM                "NTLM"
+#define SP_NAME_NEGOTIATE           "Negotiate"
+#define SP_NAME_KERBEROS            "Kerberos"
+
+#ifndef ISC_REQ_USE_HTTP_STYLE
+#define ISC_REQ_USE_HTTP_STYLE                0x01000000
+#endif
+
+#ifndef ISC_RET_REPLAY_DETECT
+#define ISC_RET_REPLAY_DETECT                 0x00000004
+#endif
+
+#ifndef ISC_RET_SEQUENCE_DETECT
+#define ISC_RET_SEQUENCE_DETECT               0x00000008
+#endif
+
+#ifndef ISC_RET_CONFIDENTIALITY
+#define ISC_RET_CONFIDENTIALITY               0x00000010
+#endif
+
+#ifndef ISC_RET_ALLOCATED_MEMORY
+#define ISC_RET_ALLOCATED_MEMORY              0x00000100
+#endif
+
+#ifndef ISC_RET_STREAM
+#define ISC_RET_STREAM                        0x00008000
+#endif
+
+#ifndef SEC_E_INSUFFICIENT_MEMORY
+# define SEC_E_INSUFFICIENT_MEMORY            ((HRESULT)0x80090300L)
+#endif
+#ifndef SEC_E_INVALID_HANDLE
+# define SEC_E_INVALID_HANDLE                 ((HRESULT)0x80090301L)
+#endif
+#ifndef SEC_E_UNSUPPORTED_FUNCTION
+# define SEC_E_UNSUPPORTED_FUNCTION           ((HRESULT)0x80090302L)
+#endif
+#ifndef SEC_E_TARGET_UNKNOWN
+# define SEC_E_TARGET_UNKNOWN                 ((HRESULT)0x80090303L)
+#endif
+#ifndef SEC_E_INTERNAL_ERROR
+# define SEC_E_INTERNAL_ERROR                 ((HRESULT)0x80090304L)
+#endif
+#ifndef SEC_E_SECPKG_NOT_FOUND
+# define SEC_E_SECPKG_NOT_FOUND               ((HRESULT)0x80090305L)
+#endif
+#ifndef SEC_E_NOT_OWNER
+# define SEC_E_NOT_OWNER                      ((HRESULT)0x80090306L)
+#endif
+#ifndef SEC_E_CANNOT_INSTALL
+# define SEC_E_CANNOT_INSTALL                 ((HRESULT)0x80090307L)
+#endif
+#ifndef SEC_E_INVALID_TOKEN
+# define SEC_E_INVALID_TOKEN                  ((HRESULT)0x80090308L)
+#endif
+#ifndef SEC_E_CANNOT_PACK
+# define SEC_E_CANNOT_PACK                    ((HRESULT)0x80090309L)
+#endif
+#ifndef SEC_E_QOP_NOT_SUPPORTED
+# define SEC_E_QOP_NOT_SUPPORTED              ((HRESULT)0x8009030AL)
+#endif
+#ifndef SEC_E_NO_IMPERSONATION
+# define SEC_E_NO_IMPERSONATION               ((HRESULT)0x8009030BL)
+#endif
+#ifndef SEC_E_LOGON_DENIED
+# define SEC_E_LOGON_DENIED                   ((HRESULT)0x8009030CL)
+#endif
+#ifndef SEC_E_UNKNOWN_CREDENTIALS
+# define SEC_E_UNKNOWN_CREDENTIALS            ((HRESULT)0x8009030DL)
+#endif
+#ifndef SEC_E_NO_CREDENTIALS
+# define SEC_E_NO_CREDENTIALS                 ((HRESULT)0x8009030EL)
+#endif
+#ifndef SEC_E_MESSAGE_ALTERED
+# define SEC_E_MESSAGE_ALTERED                ((HRESULT)0x8009030FL)
+#endif
+#ifndef SEC_E_OUT_OF_SEQUENCE
+# define SEC_E_OUT_OF_SEQUENCE                ((HRESULT)0x80090310L)
+#endif
+#ifndef SEC_E_NO_AUTHENTICATING_AUTHORITY
+# define SEC_E_NO_AUTHENTICATING_AUTHORITY    ((HRESULT)0x80090311L)
+#endif
+#ifndef SEC_E_BAD_PKGID
+# define SEC_E_BAD_PKGID                      ((HRESULT)0x80090316L)
+#endif
+#ifndef SEC_E_CONTEXT_EXPIRED
+# define SEC_E_CONTEXT_EXPIRED                ((HRESULT)0x80090317L)
+#endif
+#ifndef SEC_E_INCOMPLETE_MESSAGE
+# define SEC_E_INCOMPLETE_MESSAGE             ((HRESULT)0x80090318L)
+#endif
+#ifndef SEC_E_INCOMPLETE_CREDENTIALS
+# define SEC_E_INCOMPLETE_CREDENTIALS         ((HRESULT)0x80090320L)
+#endif
+#ifndef SEC_E_BUFFER_TOO_SMALL
+# define SEC_E_BUFFER_TOO_SMALL               ((HRESULT)0x80090321L)
+#endif
+#ifndef SEC_E_WRONG_PRINCIPAL
+# define SEC_E_WRONG_PRINCIPAL                ((HRESULT)0x80090322L)
+#endif
+#ifndef SEC_E_TIME_SKEW
+# define SEC_E_TIME_SKEW                      ((HRESULT)0x80090324L)
+#endif
+#ifndef SEC_E_UNTRUSTED_ROOT
+# define SEC_E_UNTRUSTED_ROOT                 ((HRESULT)0x80090325L)
+#endif
+#ifndef SEC_E_ILLEGAL_MESSAGE
+# define SEC_E_ILLEGAL_MESSAGE                ((HRESULT)0x80090326L)
+#endif
+#ifndef SEC_E_CERT_UNKNOWN
+# define SEC_E_CERT_UNKNOWN                   ((HRESULT)0x80090327L)
+#endif
+#ifndef SEC_E_CERT_EXPIRED
+# define SEC_E_CERT_EXPIRED                   ((HRESULT)0x80090328L)
+#endif
+#ifndef SEC_E_ENCRYPT_FAILURE
+# define SEC_E_ENCRYPT_FAILURE                ((HRESULT)0x80090329L)
+#endif
+#ifndef SEC_E_DECRYPT_FAILURE
+# define SEC_E_DECRYPT_FAILURE                ((HRESULT)0x80090330L)
+#endif
+#ifndef SEC_E_ALGORITHM_MISMATCH
+# define SEC_E_ALGORITHM_MISMATCH             ((HRESULT)0x80090331L)
+#endif
+#ifndef SEC_E_SECURITY_QOS_FAILED
+# define SEC_E_SECURITY_QOS_FAILED            ((HRESULT)0x80090332L)
+#endif
+#ifndef SEC_E_UNFINISHED_CONTEXT_DELETED
+# define SEC_E_UNFINISHED_CONTEXT_DELETED     ((HRESULT)0x80090333L)
+#endif
+#ifndef SEC_E_NO_TGT_REPLY
+# define SEC_E_NO_TGT_REPLY                   ((HRESULT)0x80090334L)
+#endif
+#ifndef SEC_E_NO_IP_ADDRESSES
+# define SEC_E_NO_IP_ADDRESSES                ((HRESULT)0x80090335L)
+#endif
+#ifndef SEC_E_WRONG_CREDENTIAL_HANDLE
+# define SEC_E_WRONG_CREDENTIAL_HANDLE        ((HRESULT)0x80090336L)
+#endif
+#ifndef SEC_E_CRYPTO_SYSTEM_INVALID
+# define SEC_E_CRYPTO_SYSTEM_INVALID          ((HRESULT)0x80090337L)
+#endif
+#ifndef SEC_E_MAX_REFERRALS_EXCEEDED
+# define SEC_E_MAX_REFERRALS_EXCEEDED         ((HRESULT)0x80090338L)
+#endif
+#ifndef SEC_E_MUST_BE_KDC
+# define SEC_E_MUST_BE_KDC                    ((HRESULT)0x80090339L)
+#endif
+#ifndef SEC_E_STRONG_CRYPTO_NOT_SUPPORTED
+# define SEC_E_STRONG_CRYPTO_NOT_SUPPORTED    ((HRESULT)0x8009033AL)
+#endif
+#ifndef SEC_E_TOO_MANY_PRINCIPALS
+# define SEC_E_TOO_MANY_PRINCIPALS            ((HRESULT)0x8009033BL)
+#endif
+#ifndef SEC_E_NO_PA_DATA
+# define SEC_E_NO_PA_DATA                     ((HRESULT)0x8009033CL)
+#endif
+#ifndef SEC_E_PKINIT_NAME_MISMATCH
+# define SEC_E_PKINIT_NAME_MISMATCH           ((HRESULT)0x8009033DL)
+#endif
+#ifndef SEC_E_SMARTCARD_LOGON_REQUIRED
+# define SEC_E_SMARTCARD_LOGON_REQUIRED       ((HRESULT)0x8009033EL)
+#endif
+#ifndef SEC_E_SHUTDOWN_IN_PROGRESS
+# define SEC_E_SHUTDOWN_IN_PROGRESS           ((HRESULT)0x8009033FL)
+#endif
+#ifndef SEC_E_KDC_INVALID_REQUEST
+# define SEC_E_KDC_INVALID_REQUEST            ((HRESULT)0x80090340L)
+#endif
+#ifndef SEC_E_KDC_UNABLE_TO_REFER
+# define SEC_E_KDC_UNABLE_TO_REFER            ((HRESULT)0x80090341L)
+#endif
+#ifndef SEC_E_KDC_UNKNOWN_ETYPE
+# define SEC_E_KDC_UNKNOWN_ETYPE              ((HRESULT)0x80090342L)
+#endif
+#ifndef SEC_E_UNSUPPORTED_PREAUTH
+# define SEC_E_UNSUPPORTED_PREAUTH            ((HRESULT)0x80090343L)
+#endif
+#ifndef SEC_E_DELEGATION_REQUIRED
+# define SEC_E_DELEGATION_REQUIRED            ((HRESULT)0x80090345L)
+#endif
+#ifndef SEC_E_BAD_BINDINGS
+# define SEC_E_BAD_BINDINGS                   ((HRESULT)0x80090346L)
+#endif
+#ifndef SEC_E_MULTIPLE_ACCOUNTS
+# define SEC_E_MULTIPLE_ACCOUNTS              ((HRESULT)0x80090347L)
+#endif
+#ifndef SEC_E_NO_KERB_KEY
+# define SEC_E_NO_KERB_KEY                    ((HRESULT)0x80090348L)
+#endif
+#ifndef SEC_E_CERT_WRONG_USAGE
+# define SEC_E_CERT_WRONG_USAGE               ((HRESULT)0x80090349L)
+#endif
+#ifndef SEC_E_DOWNGRADE_DETECTED
+# define SEC_E_DOWNGRADE_DETECTED             ((HRESULT)0x80090350L)
+#endif
+#ifndef SEC_E_SMARTCARD_CERT_REVOKED
+# define SEC_E_SMARTCARD_CERT_REVOKED         ((HRESULT)0x80090351L)
+#endif
+#ifndef SEC_E_ISSUING_CA_UNTRUSTED
+# define SEC_E_ISSUING_CA_UNTRUSTED           ((HRESULT)0x80090352L)
+#endif
+#ifndef SEC_E_REVOCATION_OFFLINE_C
+# define SEC_E_REVOCATION_OFFLINE_C           ((HRESULT)0x80090353L)
+#endif
+#ifndef SEC_E_PKINIT_CLIENT_FAILURE
+# define SEC_E_PKINIT_CLIENT_FAILURE          ((HRESULT)0x80090354L)
+#endif
+#ifndef SEC_E_SMARTCARD_CERT_EXPIRED
+# define SEC_E_SMARTCARD_CERT_EXPIRED         ((HRESULT)0x80090355L)
+#endif
+#ifndef SEC_E_NO_S4U_PROT_SUPPORT
+# define SEC_E_NO_S4U_PROT_SUPPORT            ((HRESULT)0x80090356L)
+#endif
+#ifndef SEC_E_CROSSREALM_DELEGATION_FAILURE
+# define SEC_E_CROSSREALM_DELEGATION_FAILURE  ((HRESULT)0x80090357L)
+#endif
+#ifndef SEC_E_REVOCATION_OFFLINE_KDC
+# define SEC_E_REVOCATION_OFFLINE_KDC         ((HRESULT)0x80090358L)
+#endif
+#ifndef SEC_E_ISSUING_CA_UNTRUSTED_KDC
+# define SEC_E_ISSUING_CA_UNTRUSTED_KDC       ((HRESULT)0x80090359L)
+#endif
+#ifndef SEC_E_KDC_CERT_EXPIRED
+# define SEC_E_KDC_CERT_EXPIRED               ((HRESULT)0x8009035AL)
+#endif
+#ifndef SEC_E_KDC_CERT_REVOKED
+# define SEC_E_KDC_CERT_REVOKED               ((HRESULT)0x8009035BL)
+#endif
+#ifndef SEC_E_INVALID_PARAMETER
+# define SEC_E_INVALID_PARAMETER              ((HRESULT)0x8009035DL)
+#endif
+#ifndef SEC_E_DELEGATION_POLICY
+# define SEC_E_DELEGATION_POLICY              ((HRESULT)0x8009035EL)
+#endif
+#ifndef SEC_E_POLICY_NLTM_ONLY
+# define SEC_E_POLICY_NLTM_ONLY               ((HRESULT)0x8009035FL)
+#endif
+
+#ifndef SEC_I_CONTINUE_NEEDED
+# define SEC_I_CONTINUE_NEEDED                ((HRESULT)0x00090312L)
+#endif
+#ifndef SEC_I_COMPLETE_NEEDED
+# define SEC_I_COMPLETE_NEEDED                ((HRESULT)0x00090313L)
+#endif
+#ifndef SEC_I_COMPLETE_AND_CONTINUE
+# define SEC_I_COMPLETE_AND_CONTINUE          ((HRESULT)0x00090314L)
+#endif
+#ifndef SEC_I_LOCAL_LOGON
+# define SEC_I_LOCAL_LOGON                    ((HRESULT)0x00090315L)
+#endif
+#ifndef SEC_I_CONTEXT_EXPIRED
+# define SEC_I_CONTEXT_EXPIRED                ((HRESULT)0x00090317L)
+#endif
+#ifndef SEC_I_INCOMPLETE_CREDENTIALS
+# define SEC_I_INCOMPLETE_CREDENTIALS         ((HRESULT)0x00090320L)
+#endif
+#ifndef SEC_I_RENEGOTIATE
+# define SEC_I_RENEGOTIATE                    ((HRESULT)0x00090321L)
+#endif
+#ifndef SEC_I_NO_LSA_CONTEXT
+# define SEC_I_NO_LSA_CONTEXT                 ((HRESULT)0x00090323L)
+#endif
+#ifndef SEC_I_SIGNATURE_NEEDED
+# define SEC_I_SIGNATURE_NEEDED               ((HRESULT)0x0009035CL)
+#endif
+
+#ifndef CRYPT_E_REVOKED
+# define CRYPT_E_REVOKED                      ((HRESULT)0x80092010L)
+#endif
+
+#ifdef UNICODE
+#  define SECFLAG_WINNT_AUTH_IDENTITY \
+     (unsigned long)SEC_WINNT_AUTH_IDENTITY_UNICODE
+#else
+#  define SECFLAG_WINNT_AUTH_IDENTITY \
+     (unsigned long)SEC_WINNT_AUTH_IDENTITY_ANSI
+#endif
+
+/*
+ * Definitions required from ntsecapi.h are directly provided below this point
+ * to avoid including ntsecapi.h due to a conflict with OpenSSL's safestack.h
+ */
+#define KERB_WRAP_NO_ENCRYPT 0x80000001
+
+#endif /* USE_WINDOWS_SSPI */
+
+#endif /* HEADER_CURL_SSPI_H */
Index: trunk/src/libs/curl-7.64.0/lib/curl_threads.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_threads.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_threads.c	(revision 85671)
@@ -0,0 +1,155 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#if defined(USE_THREADS_POSIX)
+#  ifdef HAVE_PTHREAD_H
+#    include <pthread.h>
+#  endif
+#elif defined(USE_THREADS_WIN32)
+#  ifdef HAVE_PROCESS_H
+#    include <process.h>
+#  endif
+#endif
+
+#include "curl_threads.h"
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+#if defined(USE_THREADS_POSIX)
+
+struct curl_actual_call {
+  unsigned int (*func)(void *);
+  void *arg;
+};
+
+static void *curl_thread_create_thunk(void *arg)
+{
+  struct curl_actual_call * ac = arg;
+  unsigned int (*func)(void *) = ac->func;
+  void *real_arg = ac->arg;
+
+  free(ac);
+
+  (*func)(real_arg);
+
+  return 0;
+}
+
+curl_thread_t Curl_thread_create(unsigned int (*func) (void *), void *arg)
+{
+  curl_thread_t t = malloc(sizeof(pthread_t));
+  struct curl_actual_call *ac = malloc(sizeof(struct curl_actual_call));
+  if(!(ac && t))
+    goto err;
+
+  ac->func = func;
+  ac->arg = arg;
+
+  if(pthread_create(t, NULL, curl_thread_create_thunk, ac) != 0)
+    goto err;
+
+  return t;
+
+err:
+  free(t);
+  free(ac);
+  return curl_thread_t_null;
+}
+
+void Curl_thread_destroy(curl_thread_t hnd)
+{
+  if(hnd != curl_thread_t_null) {
+    pthread_detach(*hnd);
+    free(hnd);
+  }
+}
+
+int Curl_thread_join(curl_thread_t *hnd)
+{
+  int ret = (pthread_join(**hnd, NULL) == 0);
+
+  free(*hnd);
+  *hnd = curl_thread_t_null;
+
+  return ret;
+}
+
+#elif defined(USE_THREADS_WIN32)
+
+/* !checksrc! disable SPACEBEFOREPAREN 1 */
+curl_thread_t Curl_thread_create(unsigned int (CURL_STDCALL *func) (void *),
+                                 void *arg)
+{
+#ifdef _WIN32_WCE
+  typedef HANDLE curl_win_thread_handle_t;
+#elif defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
+  typedef unsigned long curl_win_thread_handle_t;
+#else
+  typedef uintptr_t curl_win_thread_handle_t;
+#endif
+  curl_thread_t t;
+  curl_win_thread_handle_t thread_handle;
+#ifdef _WIN32_WCE
+  thread_handle = CreateThread(NULL, 0, func, arg, 0, NULL);
+#else
+  thread_handle = _beginthreadex(NULL, 0, func, arg, 0, NULL);
+#endif
+  t = (curl_thread_t)thread_handle;
+  if((t == 0) || (t == LongToHandle(-1L))) {
+#ifdef _WIN32_WCE
+    DWORD gle = GetLastError();
+    errno = ((gle == ERROR_ACCESS_DENIED ||
+              gle == ERROR_NOT_ENOUGH_MEMORY) ?
+             EACCES : EINVAL);
+#endif
+    return curl_thread_t_null;
+  }
+  return t;
+}
+
+void Curl_thread_destroy(curl_thread_t hnd)
+{
+  CloseHandle(hnd);
+}
+
+int Curl_thread_join(curl_thread_t *hnd)
+{
+#if !defined(_WIN32_WINNT) || !defined(_WIN32_WINNT_VISTA) || \
+    (_WIN32_WINNT < _WIN32_WINNT_VISTA)
+  int ret = (WaitForSingleObject(*hnd, INFINITE) == WAIT_OBJECT_0);
+#else
+  int ret = (WaitForSingleObjectEx(*hnd, INFINITE, FALSE) == WAIT_OBJECT_0);
+#endif
+
+  Curl_thread_destroy(*hnd);
+
+  *hnd = curl_thread_t_null;
+
+  return ret;
+}
+
+#endif /* USE_THREADS_* */
Index: trunk/src/libs/curl-7.64.0/lib/curl_threads.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curl_threads.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curl_threads.h	(revision 85671)
@@ -0,0 +1,64 @@
+#ifndef HEADER_CURL_THREADS_H
+#define HEADER_CURL_THREADS_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#if defined(USE_THREADS_POSIX)
+#  define CURL_STDCALL
+#  define curl_mutex_t           pthread_mutex_t
+#  define curl_thread_t          pthread_t *
+#  define curl_thread_t_null     (pthread_t *)0
+#  define Curl_mutex_init(m)     pthread_mutex_init(m, NULL)
+#  define Curl_mutex_acquire(m)  pthread_mutex_lock(m)
+#  define Curl_mutex_release(m)  pthread_mutex_unlock(m)
+#  define Curl_mutex_destroy(m)  pthread_mutex_destroy(m)
+#elif defined(USE_THREADS_WIN32)
+#  define CURL_STDCALL           __stdcall
+#  define curl_mutex_t           CRITICAL_SECTION
+#  define curl_thread_t          HANDLE
+#  define curl_thread_t_null     (HANDLE)0
+#  if !defined(_WIN32_WINNT) || !defined(_WIN32_WINNT_VISTA) || \
+      (_WIN32_WINNT < _WIN32_WINNT_VISTA) || \
+      (defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR))
+#    define Curl_mutex_init(m)   InitializeCriticalSection(m)
+#  else
+#    define Curl_mutex_init(m)   InitializeCriticalSectionEx(m, 0, 1)
+#  endif
+#  define Curl_mutex_acquire(m)  EnterCriticalSection(m)
+#  define Curl_mutex_release(m)  LeaveCriticalSection(m)
+#  define Curl_mutex_destroy(m)  DeleteCriticalSection(m)
+#endif
+
+#if defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
+
+/* !checksrc! disable SPACEBEFOREPAREN 1 */
+curl_thread_t Curl_thread_create(unsigned int (CURL_STDCALL *func) (void *),
+                                 void *arg);
+
+void Curl_thread_destroy(curl_thread_t hnd);
+
+int Curl_thread_join(curl_thread_t *hnd);
+
+#endif /* USE_THREADS_POSIX || USE_THREADS_WIN32 */
+
+#endif /* HEADER_CURL_THREADS_H */
Index: trunk/src/libs/curl-7.64.0/lib/curlx.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/curlx.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/curlx.h	(revision 85671)
@@ -0,0 +1,103 @@
+#ifndef HEADER_CURL_CURLX_H
+#define HEADER_CURL_CURLX_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Defines protos and includes all header files that provide the curlx_*
+ * functions. The curlx_* functions are not part of the libcurl API, but are
+ * stand-alone functions whose sources can be built and linked by apps if need
+ * be.
+ */
+
+#include <curl/mprintf.h>
+/* this is still a public header file that provides the curl_mprintf()
+   functions while they still are offered publicly. They will be made library-
+   private one day */
+
+#include "strcase.h"
+/* "strcase.h" provides the strcasecompare protos */
+
+#include "strtoofft.h"
+/* "strtoofft.h" provides this function: curlx_strtoofft(), returns a
+   curl_off_t number from a given string.
+*/
+
+#include "nonblock.h"
+/* "nonblock.h" provides curlx_nonblock() */
+
+#include "warnless.h"
+/* "warnless.h" provides functions:
+
+  curlx_ultous()
+  curlx_ultouc()
+  curlx_uztosi()
+*/
+
+/* Now setup curlx_ * names for the functions that are to become curlx_ and
+   be removed from a future libcurl official API:
+   curlx_getenv
+   curlx_mprintf (and its variations)
+   curlx_strcasecompare
+   curlx_strncasecompare
+
+*/
+
+#define curlx_getenv curl_getenv
+#define curlx_mvsnprintf curl_mvsnprintf
+#define curlx_msnprintf curl_msnprintf
+#define curlx_maprintf curl_maprintf
+#define curlx_mvaprintf curl_mvaprintf
+#define curlx_msprintf curl_msprintf
+#define curlx_mprintf curl_mprintf
+#define curlx_mfprintf curl_mfprintf
+#define curlx_mvsprintf curl_mvsprintf
+#define curlx_mvprintf curl_mvprintf
+#define curlx_mvfprintf curl_mvfprintf
+
+#ifdef ENABLE_CURLX_PRINTF
+/* If this define is set, we define all "standard" printf() functions to use
+   the curlx_* version instead. It makes the source code transparent and
+   easier to understand/patch. Undefine them first. */
+# undef printf
+# undef fprintf
+# undef sprintf
+# undef msnprintf
+# undef vprintf
+# undef vfprintf
+# undef vsprintf
+# undef mvsnprintf
+# undef aprintf
+# undef vaprintf
+
+# define printf curlx_mprintf
+# define fprintf curlx_mfprintf
+# define sprintf curlx_msprintf
+# define msnprintf curlx_msnprintf
+# define vprintf curlx_mvprintf
+# define vfprintf curlx_mvfprintf
+# define mvsnprintf curlx_mvsnprintf
+# define aprintf curlx_maprintf
+# define vaprintf curlx_mvaprintf
+#endif /* ENABLE_CURLX_PRINTF */
+
+#endif /* HEADER_CURL_CURLX_H */
Index: trunk/src/libs/curl-7.64.0/lib/dict.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/dict.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/dict.c	(revision 85671)
@@ -0,0 +1,279 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_DICT
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_NET_IF_H
+#include <net/if.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+
+#include "urldata.h"
+#include <curl/curl.h>
+#include "transfer.h"
+#include "sendf.h"
+#include "escape.h"
+#include "progress.h"
+#include "dict.h"
+#include "strcase.h"
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/*
+ * Forward declarations.
+ */
+
+static CURLcode dict_do(struct connectdata *conn, bool *done);
+
+/*
+ * DICT protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_dict = {
+  "DICT",                               /* scheme */
+  ZERO_NULL,                            /* setup_connection */
+  dict_do,                              /* do_it */
+  ZERO_NULL,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  ZERO_NULL,                            /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  ZERO_NULL,                            /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_DICT,                            /* defport */
+  CURLPROTO_DICT,                       /* protocol */
+  PROTOPT_NONE | PROTOPT_NOURLQUERY      /* flags */
+};
+
+static char *unescape_word(struct Curl_easy *data, const char *inputbuff)
+{
+  char *newp = NULL;
+  char *dictp;
+  size_t len;
+
+  CURLcode result = Curl_urldecode(data, inputbuff, 0, &newp, &len, FALSE);
+  if(!newp || result)
+    return NULL;
+
+  dictp = malloc(len*2 + 1); /* add one for terminating zero */
+  if(dictp) {
+    char *ptr;
+    char ch;
+    int olen = 0;
+    /* According to RFC2229 section 2.2, these letters need to be escaped with
+       \[letter] */
+    for(ptr = newp;
+        (ch = *ptr) != 0;
+        ptr++) {
+      if((ch <= 32) || (ch == 127) ||
+          (ch == '\'') || (ch == '\"') || (ch == '\\')) {
+        dictp[olen++] = '\\';
+      }
+      dictp[olen++] = ch;
+    }
+    dictp[olen] = 0;
+  }
+  free(newp);
+  return dictp;
+}
+
+static CURLcode dict_do(struct connectdata *conn, bool *done)
+{
+  char *word;
+  char *eword;
+  char *ppath;
+  char *database = NULL;
+  char *strategy = NULL;
+  char *nthdef = NULL; /* This is not part of the protocol, but required
+                          by RFC 2229 */
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  curl_socket_t sockfd = conn->sock[FIRSTSOCKET];
+
+  char *path = data->state.up.path;
+  curl_off_t *bytecount = &data->req.bytecount;
+
+  *done = TRUE; /* unconditionally */
+
+  if(conn->bits.user_passwd) {
+    /* AUTH is missing */
+  }
+
+  if(strncasecompare(path, DICT_MATCH, sizeof(DICT_MATCH)-1) ||
+     strncasecompare(path, DICT_MATCH2, sizeof(DICT_MATCH2)-1) ||
+     strncasecompare(path, DICT_MATCH3, sizeof(DICT_MATCH3)-1)) {
+
+    word = strchr(path, ':');
+    if(word) {
+      word++;
+      database = strchr(word, ':');
+      if(database) {
+        *database++ = (char)0;
+        strategy = strchr(database, ':');
+        if(strategy) {
+          *strategy++ = (char)0;
+          nthdef = strchr(strategy, ':');
+          if(nthdef) {
+            *nthdef = (char)0;
+          }
+        }
+      }
+    }
+
+    if((word == NULL) || (*word == (char)0)) {
+      infof(data, "lookup word is missing\n");
+      word = (char *)"default";
+    }
+    if((database == NULL) || (*database == (char)0)) {
+      database = (char *)"!";
+    }
+    if((strategy == NULL) || (*strategy == (char)0)) {
+      strategy = (char *)".";
+    }
+
+    eword = unescape_word(data, word);
+    if(!eword)
+      return CURLE_OUT_OF_MEMORY;
+
+    result = Curl_sendf(sockfd, conn,
+                        "CLIENT " LIBCURL_NAME " " LIBCURL_VERSION "\r\n"
+                        "MATCH "
+                        "%s "    /* database */
+                        "%s "    /* strategy */
+                        "%s\r\n" /* word */
+                        "QUIT\r\n",
+
+                        database,
+                        strategy,
+                        eword
+                        );
+
+    free(eword);
+
+    if(result) {
+      failf(data, "Failed sending DICT request");
+      return result;
+    }
+    Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE, bytecount,
+                        -1, NULL); /* no upload */
+  }
+  else if(strncasecompare(path, DICT_DEFINE, sizeof(DICT_DEFINE)-1) ||
+          strncasecompare(path, DICT_DEFINE2, sizeof(DICT_DEFINE2)-1) ||
+          strncasecompare(path, DICT_DEFINE3, sizeof(DICT_DEFINE3)-1)) {
+
+    word = strchr(path, ':');
+    if(word) {
+      word++;
+      database = strchr(word, ':');
+      if(database) {
+        *database++ = (char)0;
+        nthdef = strchr(database, ':');
+        if(nthdef) {
+          *nthdef = (char)0;
+        }
+      }
+    }
+
+    if((word == NULL) || (*word == (char)0)) {
+      infof(data, "lookup word is missing\n");
+      word = (char *)"default";
+    }
+    if((database == NULL) || (*database == (char)0)) {
+      database = (char *)"!";
+    }
+
+    eword = unescape_word(data, word);
+    if(!eword)
+      return CURLE_OUT_OF_MEMORY;
+
+    result = Curl_sendf(sockfd, conn,
+                        "CLIENT " LIBCURL_NAME " " LIBCURL_VERSION "\r\n"
+                        "DEFINE "
+                        "%s "     /* database */
+                        "%s\r\n"  /* word */
+                        "QUIT\r\n",
+                        database,
+                        eword);
+
+    free(eword);
+
+    if(result) {
+      failf(data, "Failed sending DICT request");
+      return result;
+    }
+    Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE, bytecount,
+                        -1, NULL); /* no upload */
+  }
+  else {
+
+    ppath = strchr(path, '/');
+    if(ppath) {
+      int i;
+
+      ppath++;
+      for(i = 0; ppath[i]; i++) {
+        if(ppath[i] == ':')
+          ppath[i] = ' ';
+      }
+      result = Curl_sendf(sockfd, conn,
+                          "CLIENT " LIBCURL_NAME " " LIBCURL_VERSION "\r\n"
+                          "%s\r\n"
+                          "QUIT\r\n", ppath);
+      if(result) {
+        failf(data, "Failed sending DICT request");
+        return result;
+      }
+
+      Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE, bytecount, -1, NULL);
+    }
+  }
+
+  return CURLE_OK;
+}
+#endif /*CURL_DISABLE_DICT*/
Index: trunk/src/libs/curl-7.64.0/lib/dict.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/dict.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/dict.h	(revision 85671)
@@ -0,0 +1,29 @@
+#ifndef HEADER_CURL_DICT_H
+#define HEADER_CURL_DICT_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#ifndef CURL_DISABLE_DICT
+extern const struct Curl_handler Curl_handler_dict;
+#endif
+
+#endif /* HEADER_CURL_DICT_H */
Index: trunk/src/libs/curl-7.64.0/lib/doh.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/doh.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/doh.c	(revision 85671)
@@ -0,0 +1,897 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2018 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include "urldata.h"
+#include "curl_addrinfo.h"
+#include "doh.h"
+
+#include "sendf.h"
+#include "multiif.h"
+#include "url.h"
+#include "share.h"
+#include "curl_base64.h"
+#include "connect.h"
+#include "strdup.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#define DNS_CLASS_IN 0x01
+#define DOH_MAX_RESPONSE_SIZE 3000 /* bytes */
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+static const char * const errors[]={
+  "",
+  "Bad label",
+  "Out of range",
+  "Label loop",
+  "Too small",
+  "Out of memory",
+  "RDATA length",
+  "Malformat",
+  "Bad RCODE",
+  "Unexpected TYPE",
+  "Unexpected CLASS",
+  "No content",
+  "Bad ID"
+};
+
+static const char *doh_strerror(DOHcode code)
+{
+  if((code >= DOH_OK) && (code <= DOH_DNS_BAD_ID))
+    return errors[code];
+  return "bad error code";
+}
+#endif
+
+#ifdef DEBUGBUILD
+#define UNITTEST
+#else
+#define UNITTEST static
+#endif
+
+UNITTEST DOHcode doh_encode(const char *host,
+                            DNStype dnstype,
+                            unsigned char *dnsp, /* buffer */
+                            size_t len,  /* buffer size */
+                            size_t *olen) /* output length */
+{
+  size_t hostlen = strlen(host);
+  unsigned char *orig = dnsp;
+  const char *hostp = host;
+
+  if(len < (12 + hostlen + 4))
+    return DOH_TOO_SMALL_BUFFER;
+
+  *dnsp++ = 0; /* 16 bit id */
+  *dnsp++ = 0;
+  *dnsp++ = 0x01; /* |QR|   Opcode  |AA|TC|RD| Set the RD bit */
+  *dnsp++ = '\0'; /* |RA|   Z    |   RCODE   |                */
+  *dnsp++ = '\0';
+  *dnsp++ = 1;    /* QDCOUNT (number of entries in the question section) */
+  *dnsp++ = '\0';
+  *dnsp++ = '\0'; /* ANCOUNT */
+  *dnsp++ = '\0';
+  *dnsp++ = '\0'; /* NSCOUNT */
+  *dnsp++ = '\0';
+  *dnsp++ = '\0'; /* ARCOUNT */
+
+  /* store a QNAME */
+  do {
+    char *dot = strchr(hostp, '.');
+    size_t labellen;
+    bool found = false;
+    if(dot) {
+      found = true;
+      labellen = dot - hostp;
+    }
+    else
+      labellen = strlen(hostp);
+    if(labellen > 63) {
+      /* too long label, error out */
+      *olen = 0;
+      return DOH_DNS_BAD_LABEL;
+    }
+    *dnsp++ = (unsigned char)labellen;
+    memcpy(dnsp, hostp, labellen);
+    dnsp += labellen;
+    hostp += labellen + 1;
+    if(!found) {
+      *dnsp++ = 0; /* terminating zero */
+      break;
+    }
+  } while(1);
+
+  *dnsp++ = '\0'; /* upper 8 bit TYPE */
+  *dnsp++ = (unsigned char)dnstype;
+  *dnsp++ = '\0'; /* upper 8 bit CLASS */
+  *dnsp++ = DNS_CLASS_IN; /* IN - "the Internet" */
+
+  *olen = dnsp - orig;
+  return DOH_OK;
+}
+
+static size_t
+doh_write_cb(void *contents, size_t size, size_t nmemb, void *userp)
+{
+  size_t realsize = size * nmemb;
+  struct dohresponse *mem = (struct dohresponse *)userp;
+
+  if((mem->size + realsize) > DOH_MAX_RESPONSE_SIZE)
+    /* suspiciously much for us */
+    return 0;
+
+  mem->memory = Curl_saferealloc(mem->memory, mem->size + realsize);
+  if(!mem->memory)
+    /* out of memory! */
+    return 0;
+
+  memcpy(&(mem->memory[mem->size]), contents, realsize);
+  mem->size += realsize;
+
+  return realsize;
+}
+
+/* called from multi.c when this DOH transfer is complete */
+static int Curl_doh_done(struct Curl_easy *doh, CURLcode result)
+{
+  struct Curl_easy *data = doh->set.dohfor;
+  /* so one of the DOH request done for the 'data' transfer is now complete! */
+  data->req.doh.pending--;
+  infof(data, "a DOH request is completed, %u to go\n", data->req.doh.pending);
+  if(result)
+    infof(data, "DOH request %s\n", curl_easy_strerror(result));
+
+  if(!data->req.doh.pending) {
+    /* DOH completed */
+    curl_slist_free_all(data->req.doh.headers);
+    data->req.doh.headers = NULL;
+    Curl_expire(data, 0, EXPIRE_RUN_NOW);
+  }
+  return 0;
+}
+
+#define ERROR_CHECK_SETOPT(x,y) result = curl_easy_setopt(doh, x, y);   \
+  if(result) goto error
+
+static CURLcode dohprobe(struct Curl_easy *data,
+                         struct dnsprobe *p, DNStype dnstype,
+                         const char *host,
+                         const char *url, CURLM *multi,
+                         struct curl_slist *headers)
+{
+  struct Curl_easy *doh = NULL;
+  char *nurl = NULL;
+  CURLcode result = CURLE_OK;
+  timediff_t timeout_ms;
+  DOHcode d = doh_encode(host, dnstype, p->dohbuffer, sizeof(p->dohbuffer),
+                         &p->dohlen);
+  if(d) {
+    failf(data, "Failed to encode DOH packet [%d]\n", d);
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  p->dnstype = dnstype;
+  p->serverdoh.memory = NULL;
+  /* the memory will be grown as needed by realloc in the doh_write_cb
+     function */
+  p->serverdoh.size = 0;
+
+  /* Note: this is code for sending the DoH request with GET but there's still
+     no logic that actually enables this. We should either add that ability or
+     yank out the GET code. Discuss! */
+  if(data->set.doh_get) {
+    char *b64;
+    size_t b64len;
+    result = Curl_base64url_encode(data, (char *)p->dohbuffer, p->dohlen,
+                                   &b64, &b64len);
+    if(result)
+      goto error;
+    nurl = aprintf("%s?dns=%s", url, b64);
+    free(b64);
+    if(!nurl) {
+      result = CURLE_OUT_OF_MEMORY;
+      goto error;
+    }
+    url = nurl;
+  }
+
+  timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+  /* Curl_open() is the internal version of curl_easy_init() */
+  result = Curl_open(&doh);
+  if(!result) {
+    /* pass in the struct pointer via a local variable to please coverity and
+       the gcc typecheck helpers */
+    struct dohresponse *resp = &p->serverdoh;
+    ERROR_CHECK_SETOPT(CURLOPT_URL, url);
+    ERROR_CHECK_SETOPT(CURLOPT_WRITEFUNCTION, doh_write_cb);
+    ERROR_CHECK_SETOPT(CURLOPT_WRITEDATA, resp);
+    if(!data->set.doh_get) {
+      ERROR_CHECK_SETOPT(CURLOPT_POSTFIELDS, p->dohbuffer);
+      ERROR_CHECK_SETOPT(CURLOPT_POSTFIELDSIZE, (long)p->dohlen);
+    }
+    ERROR_CHECK_SETOPT(CURLOPT_HTTPHEADER, headers);
+#ifdef USE_NGHTTP2
+    ERROR_CHECK_SETOPT(CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2TLS);
+#endif
+#ifndef CURLDEBUG
+    /* enforce HTTPS if not debug */
+    ERROR_CHECK_SETOPT(CURLOPT_PROTOCOLS, CURLPROTO_HTTPS);
+#endif
+    ERROR_CHECK_SETOPT(CURLOPT_TIMEOUT_MS, (long)timeout_ms);
+    ERROR_CHECK_SETOPT(CURLOPT_VERBOSE, 1L);
+    doh->set.fmultidone = Curl_doh_done;
+    doh->set.dohfor = data; /* identify for which transfer this is done */
+    p->easy = doh;
+
+    /* add this transfer to the multi handle */
+    if(curl_multi_add_handle(multi, doh))
+      goto error;
+  }
+  else
+    goto error;
+  free(nurl);
+  return CURLE_OK;
+
+  error:
+  free(nurl);
+  Curl_close(doh);
+  return result;
+}
+
+/*
+ * Curl_doh() resolves a name using DOH. It resolves a name and returns a
+ * 'Curl_addrinfo *' with the address information.
+ */
+
+Curl_addrinfo *Curl_doh(struct connectdata *conn,
+                        const char *hostname,
+                        int port,
+                        int *waitp)
+{
+  struct Curl_easy *data = conn->data;
+  CURLcode result = CURLE_OK;
+  *waitp = TRUE; /* this never returns synchronously */
+  (void)conn;
+  (void)hostname;
+  (void)port;
+
+  /* start clean, consider allocating this struct on demand */
+  memset(&data->req.doh, 0, sizeof(struct dohdata));
+
+  data->req.doh.host = hostname;
+  data->req.doh.port = port;
+  data->req.doh.headers =
+    curl_slist_append(NULL,
+                      "Content-Type: application/dns-message");
+  if(!data->req.doh.headers)
+    goto error;
+
+  if(conn->ip_version != CURL_IPRESOLVE_V6) {
+    /* create IPv4 DOH request */
+    result = dohprobe(data, &data->req.doh.probe[0], DNS_TYPE_A,
+                      hostname, data->set.str[STRING_DOH],
+                      data->multi, data->req.doh.headers);
+    if(result)
+      goto error;
+    data->req.doh.pending++;
+  }
+
+  if(conn->ip_version != CURL_IPRESOLVE_V4) {
+    /* create IPv6 DOH request */
+    result = dohprobe(data, &data->req.doh.probe[1], DNS_TYPE_AAAA,
+                      hostname, data->set.str[STRING_DOH],
+                      data->multi, data->req.doh.headers);
+    if(result)
+      goto error;
+    data->req.doh.pending++;
+  }
+  return NULL;
+
+  error:
+  curl_slist_free_all(data->req.doh.headers);
+  data->req.doh.headers = NULL;
+  curl_easy_cleanup(data->req.doh.probe[0].easy);
+  data->req.doh.probe[0].easy = NULL;
+  curl_easy_cleanup(data->req.doh.probe[1].easy);
+  data->req.doh.probe[1].easy = NULL;
+  return NULL;
+}
+
+static DOHcode skipqname(unsigned char *doh, size_t dohlen,
+                         unsigned int *indexp)
+{
+  unsigned char length;
+  do {
+    if(dohlen < (*indexp + 1))
+      return DOH_DNS_OUT_OF_RANGE;
+    length = doh[*indexp];
+    if((length & 0xc0) == 0xc0) {
+      /* name pointer, advance over it and be done */
+      if(dohlen < (*indexp + 2))
+        return DOH_DNS_OUT_OF_RANGE;
+      *indexp += 2;
+      break;
+    }
+    if(length & 0xc0)
+      return DOH_DNS_BAD_LABEL;
+    if(dohlen < (*indexp + 1 + length))
+      return DOH_DNS_OUT_OF_RANGE;
+    *indexp += 1 + length;
+  } while(length);
+  return DOH_OK;
+}
+
+static unsigned short get16bit(unsigned char *doh, int index)
+{
+  return (unsigned short)((doh[index] << 8) | doh[index + 1]);
+}
+
+static unsigned int get32bit(unsigned char *doh, int index)
+{
+  return (doh[index] << 24) | (doh[index + 1] << 16) |
+    (doh[index + 2] << 8) | doh[index + 3];
+}
+
+static DOHcode store_a(unsigned char *doh, int index, struct dohentry *d)
+{
+  /* silently ignore addresses over the limit */
+  if(d->numaddr < DOH_MAX_ADDR) {
+    struct dohaddr *a = &d->addr[d->numaddr];
+    a->type = DNS_TYPE_A;
+    memcpy(&a->ip.v4, &doh[index], 4);
+    d->numaddr++;
+  }
+  return DOH_OK;
+}
+
+static DOHcode store_aaaa(unsigned char *doh, int index, struct dohentry *d)
+{
+  /* silently ignore addresses over the limit */
+  if(d->numaddr < DOH_MAX_ADDR) {
+    struct dohaddr *a = &d->addr[d->numaddr];
+    a->type = DNS_TYPE_AAAA;
+    memcpy(&a->ip.v6, &doh[index], 16);
+    d->numaddr++;
+  }
+  return DOH_OK;
+}
+
+static DOHcode cnameappend(struct cnamestore *c,
+                           unsigned char *src,
+                           size_t len)
+{
+  if(!c->alloc) {
+    c->allocsize = len + 1;
+    c->alloc = malloc(c->allocsize);
+    if(!c->alloc)
+      return DOH_OUT_OF_MEM;
+  }
+  else if(c->allocsize < (c->allocsize + len + 1)) {
+    char *ptr;
+    c->allocsize += len + 1;
+    ptr = realloc(c->alloc, c->allocsize);
+    if(!ptr) {
+      free(c->alloc);
+      return DOH_OUT_OF_MEM;
+    }
+    c->alloc = ptr;
+  }
+  memcpy(&c->alloc[c->len], src, len);
+  c->len += len;
+  c->alloc[c->len] = 0; /* keep it zero terminated */
+  return DOH_OK;
+}
+
+static DOHcode store_cname(unsigned char *doh,
+                           size_t dohlen,
+                           unsigned int index,
+                           struct dohentry *d)
+{
+  struct cnamestore *c;
+  unsigned int loop = 128; /* a valid DNS name can never loop this much */
+  unsigned char length;
+
+  if(d->numcname == DOH_MAX_CNAME)
+    return DOH_OK; /* skip! */
+
+  c = &d->cname[d->numcname++];
+  do {
+    if(index >= dohlen)
+      return DOH_DNS_OUT_OF_RANGE;
+    length = doh[index];
+    if((length & 0xc0) == 0xc0) {
+      int newpos;
+      /* name pointer, get the new offset (14 bits) */
+      if((index + 1) >= dohlen)
+        return DOH_DNS_OUT_OF_RANGE;
+
+      /* move to the the new index */
+      newpos = (length & 0x3f) << 8 | doh[index + 1];
+      index = newpos;
+      continue;
+    }
+    else if(length & 0xc0)
+      return DOH_DNS_BAD_LABEL; /* bad input */
+    else
+      index++;
+
+    if(length) {
+      DOHcode rc;
+      if(c->len) {
+        rc = cnameappend(c, (unsigned char *)".", 1);
+        if(rc)
+          return rc;
+      }
+      if((index + length) > dohlen)
+        return DOH_DNS_BAD_LABEL;
+
+      rc = cnameappend(c, &doh[index], length);
+      if(rc)
+        return rc;
+      index += length;
+    }
+  } while(length && --loop);
+
+  if(!loop)
+    return DOH_DNS_LABEL_LOOP;
+  return DOH_OK;
+}
+
+static DOHcode rdata(unsigned char *doh,
+                     size_t dohlen,
+                     unsigned short rdlength,
+                     unsigned short type,
+                     int index,
+                     struct dohentry *d)
+{
+  /* RDATA
+     - A (TYPE 1):  4 bytes
+     - AAAA (TYPE 28): 16 bytes
+     - NS (TYPE 2): N bytes */
+  DOHcode rc;
+
+  switch(type) {
+  case DNS_TYPE_A:
+    if(rdlength != 4)
+      return DOH_DNS_RDATA_LEN;
+    rc = store_a(doh, index, d);
+    if(rc)
+      return rc;
+    break;
+  case DNS_TYPE_AAAA:
+    if(rdlength != 16)
+      return DOH_DNS_RDATA_LEN;
+    rc = store_aaaa(doh, index, d);
+    if(rc)
+      return rc;
+    break;
+  case DNS_TYPE_CNAME:
+    rc = store_cname(doh, dohlen, index, d);
+    if(rc)
+      return rc;
+    break;
+  default:
+    /* unsupported type, just skip it */
+    break;
+  }
+  return DOH_OK;
+}
+
+static void init_dohentry(struct dohentry *de)
+{
+  memset(de, 0, sizeof(*de));
+  de->ttl = INT_MAX;
+}
+
+
+UNITTEST DOHcode doh_decode(unsigned char *doh,
+                            size_t dohlen,
+                            DNStype dnstype,
+                            struct dohentry *d)
+{
+  unsigned char rcode;
+  unsigned short qdcount;
+  unsigned short ancount;
+  unsigned short type = 0;
+  unsigned short class;
+  unsigned short rdlength;
+  unsigned short nscount;
+  unsigned short arcount;
+  unsigned int index = 12;
+  DOHcode rc;
+
+  if(dohlen < 12)
+    return DOH_TOO_SMALL_BUFFER; /* too small */
+  if(!doh || doh[0] || doh[1])
+    return DOH_DNS_BAD_ID; /* bad ID */
+  rcode = doh[3] & 0x0f;
+  if(rcode)
+    return DOH_DNS_BAD_RCODE; /* bad rcode */
+
+  qdcount = get16bit(doh, 4);
+  while(qdcount) {
+    rc = skipqname(doh, dohlen, &index);
+    if(rc)
+      return rc; /* bad qname */
+    if(dohlen < (index + 4))
+      return DOH_DNS_OUT_OF_RANGE;
+    index += 4; /* skip question's type and class */
+    qdcount--;
+  }
+
+  ancount = get16bit(doh, 6);
+  while(ancount) {
+    unsigned int ttl;
+
+    rc = skipqname(doh, dohlen, &index);
+    if(rc)
+      return rc; /* bad qname */
+
+    if(dohlen < (index + 2))
+      return DOH_DNS_OUT_OF_RANGE;
+
+    type = get16bit(doh, index);
+    if((type != DNS_TYPE_CNAME) && (type != dnstype))
+      /* Not the same type as was asked for nor CNAME */
+      return DOH_DNS_UNEXPECTED_TYPE;
+    index += 2;
+
+    if(dohlen < (index + 2))
+      return DOH_DNS_OUT_OF_RANGE;
+    class = get16bit(doh, index);
+    if(DNS_CLASS_IN != class)
+      return DOH_DNS_UNEXPECTED_CLASS; /* unsupported */
+    index += 2;
+
+    if(dohlen < (index + 4))
+      return DOH_DNS_OUT_OF_RANGE;
+
+    ttl = get32bit(doh, index);
+    if(ttl < d->ttl)
+      d->ttl = ttl;
+    index += 4;
+
+    if(dohlen < (index + 2))
+      return DOH_DNS_OUT_OF_RANGE;
+
+    rdlength = get16bit(doh, index);
+    index += 2;
+    if(dohlen < (index + rdlength))
+      return DOH_DNS_OUT_OF_RANGE;
+
+    rc = rdata(doh, dohlen, rdlength, type, index, d);
+    if(rc)
+      return rc; /* bad rdata */
+    index += rdlength;
+    ancount--;
+  }
+
+  nscount = get16bit(doh, 8);
+  while(nscount) {
+    rc = skipqname(doh, dohlen, &index);
+    if(rc)
+      return rc; /* bad qname */
+
+    if(dohlen < (index + 8))
+      return DOH_DNS_OUT_OF_RANGE;
+
+    index += 2 + 2 + 4; /* type, class and ttl */
+
+    if(dohlen < (index + 2))
+      return DOH_DNS_OUT_OF_RANGE;
+
+    rdlength = get16bit(doh, index);
+    index += 2;
+    if(dohlen < (index + rdlength))
+      return DOH_DNS_OUT_OF_RANGE;
+    index += rdlength;
+    nscount--;
+  }
+
+  arcount = get16bit(doh, 10);
+  while(arcount) {
+    rc = skipqname(doh, dohlen, &index);
+    if(rc)
+      return rc; /* bad qname */
+
+    if(dohlen < (index + 8))
+      return DOH_DNS_OUT_OF_RANGE;
+
+    index += 2 + 2 + 4; /* type, class and ttl */
+
+    if(dohlen < (index + 2))
+      return DOH_DNS_OUT_OF_RANGE;
+
+    rdlength = get16bit(doh, index);
+    index += 2;
+    if(dohlen < (index + rdlength))
+      return DOH_DNS_OUT_OF_RANGE;
+    index += rdlength;
+    arcount--;
+  }
+
+  if(index != dohlen)
+    return DOH_DNS_MALFORMAT; /* something is wrong */
+
+  if((type != DNS_TYPE_NS) && !d->numcname && !d->numaddr)
+    /* nothing stored! */
+    return DOH_NO_CONTENT;
+
+  return DOH_OK; /* ok */
+}
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+static void showdoh(struct Curl_easy *data,
+                    struct dohentry *d)
+{
+  int i;
+  infof(data, "TTL: %u seconds\n", d->ttl);
+  for(i = 0; i < d->numaddr; i++) {
+    struct dohaddr *a = &d->addr[i];
+    if(a->type == DNS_TYPE_A) {
+      infof(data, "DOH A: %u.%u.%u.%u\n",
+            a->ip.v4[0], a->ip.v4[1],
+            a->ip.v4[2], a->ip.v4[3]);
+    }
+    else if(a->type == DNS_TYPE_AAAA) {
+      int j;
+      char buffer[128];
+      char *ptr;
+      size_t len;
+      msnprintf(buffer, 128, "DOH AAAA: ");
+      ptr = &buffer[10];
+      len = 118;
+      for(j = 0; j < 16; j += 2) {
+        size_t l;
+        msnprintf(ptr, len, "%s%02x%02x", j?":":"", d->addr[i].ip.v6[j],
+                  d->addr[i].ip.v6[j + 1]);
+        l = strlen(ptr);
+        len -= l;
+        ptr += l;
+      }
+      infof(data, "%s\n", buffer);
+    }
+  }
+  for(i = 0; i < d->numcname; i++) {
+    infof(data, "CNAME: %s\n", d->cname[i].alloc);
+  }
+}
+#else
+#define showdoh(x,y)
+#endif
+
+/*
+ * doh2ai()
+ *
+ * This function returns a pointer to the first element of a newly allocated
+ * Curl_addrinfo struct linked list filled with the data from a set of DOH
+ * lookups.  Curl_addrinfo is meant to work like the addrinfo struct does for
+ * a IPv6 stack, but usable also for IPv4, all hosts and environments.
+ *
+ * The memory allocated by this function *MUST* be free'd later on calling
+ * Curl_freeaddrinfo().  For each successful call to this function there
+ * must be an associated call later to Curl_freeaddrinfo().
+ */
+
+static Curl_addrinfo *
+doh2ai(const struct dohentry *de, const char *hostname, int port)
+{
+  Curl_addrinfo *ai;
+  Curl_addrinfo *prevai = NULL;
+  Curl_addrinfo *firstai = NULL;
+  struct sockaddr_in *addr;
+#ifdef ENABLE_IPV6
+  struct sockaddr_in6 *addr6;
+#endif
+  CURLcode result = CURLE_OK;
+  int i;
+
+  if(!de)
+    /* no input == no output! */
+    return NULL;
+
+  for(i = 0; i < de->numaddr; i++) {
+    size_t ss_size;
+    CURL_SA_FAMILY_T addrtype;
+    if(de->addr[i].type == DNS_TYPE_AAAA) {
+#ifndef ENABLE_IPV6
+      /* we can't handle IPv6 addresses */
+      continue;
+#else
+      ss_size = sizeof(struct sockaddr_in6);
+      addrtype = AF_INET6;
+#endif
+    }
+    else {
+      ss_size = sizeof(struct sockaddr_in);
+      addrtype = AF_INET;
+    }
+
+    ai = calloc(1, sizeof(Curl_addrinfo));
+    if(!ai) {
+      result = CURLE_OUT_OF_MEMORY;
+      break;
+    }
+    ai->ai_canonname = strdup(hostname);
+    if(!ai->ai_canonname) {
+      result = CURLE_OUT_OF_MEMORY;
+      free(ai);
+      break;
+    }
+    ai->ai_addr = calloc(1, ss_size);
+    if(!ai->ai_addr) {
+      result = CURLE_OUT_OF_MEMORY;
+      free(ai->ai_canonname);
+      free(ai);
+      break;
+    }
+
+    if(!firstai)
+      /* store the pointer we want to return from this function */
+      firstai = ai;
+
+    if(prevai)
+      /* make the previous entry point to this */
+      prevai->ai_next = ai;
+
+    ai->ai_family = addrtype;
+
+    /* we return all names as STREAM, so when using this address for TFTP
+       the type must be ignored and conn->socktype be used instead! */
+    ai->ai_socktype = SOCK_STREAM;
+
+    ai->ai_addrlen = (curl_socklen_t)ss_size;
+
+    /* leave the rest of the struct filled with zero */
+
+    switch(ai->ai_family) {
+    case AF_INET:
+      addr = (void *)ai->ai_addr; /* storage area for this info */
+      DEBUGASSERT(sizeof(struct in_addr) == sizeof(de->addr[i].ip.v4));
+      memcpy(&addr->sin_addr, &de->addr[i].ip.v4, sizeof(struct in_addr));
+      addr->sin_family = (CURL_SA_FAMILY_T)addrtype;
+      addr->sin_port = htons((unsigned short)port);
+      break;
+
+#ifdef ENABLE_IPV6
+    case AF_INET6:
+      addr6 = (void *)ai->ai_addr; /* storage area for this info */
+      DEBUGASSERT(sizeof(struct in6_addr) == sizeof(de->addr[i].ip.v6));
+      memcpy(&addr6->sin6_addr, &de->addr[i].ip.v6, sizeof(struct in6_addr));
+      addr6->sin6_family = (CURL_SA_FAMILY_T)addrtype;
+      addr6->sin6_port = htons((unsigned short)port);
+      break;
+#endif
+    }
+
+    prevai = ai;
+  }
+
+  if(result) {
+    Curl_freeaddrinfo(firstai);
+    firstai = NULL;
+  }
+
+  return firstai;
+}
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+static const char *type2name(DNStype dnstype)
+{
+  return (dnstype == DNS_TYPE_A)?"A":"AAAA";
+}
+#endif
+
+UNITTEST void de_cleanup(struct dohentry *d)
+{
+  int i = 0;
+  for(i = 0; i < d->numcname; i++) {
+    free(d->cname[i].alloc);
+  }
+}
+
+CURLcode Curl_doh_is_resolved(struct connectdata *conn,
+                              struct Curl_dns_entry **dnsp)
+{
+  struct Curl_easy *data = conn->data;
+  *dnsp = NULL; /* defaults to no response */
+
+  if(!data->req.doh.probe[0].easy && !data->req.doh.probe[1].easy) {
+    failf(data, "Could not DOH-resolve: %s", conn->async.hostname);
+    return conn->bits.proxy?CURLE_COULDNT_RESOLVE_PROXY:
+      CURLE_COULDNT_RESOLVE_HOST;
+  }
+  else if(!data->req.doh.pending) {
+    DOHcode rc;
+    DOHcode rc2;
+    struct dohentry de;
+    struct Curl_dns_entry *dns;
+    struct Curl_addrinfo *ai;
+    /* remove DOH handles from multi handle and close them */
+    curl_multi_remove_handle(data->multi, data->req.doh.probe[0].easy);
+    Curl_close(data->req.doh.probe[0].easy);
+    curl_multi_remove_handle(data->multi, data->req.doh.probe[1].easy);
+    Curl_close(data->req.doh.probe[1].easy);
+
+    /* parse the responses, create the struct and return it! */
+    init_dohentry(&de);
+    rc = doh_decode(data->req.doh.probe[0].serverdoh.memory,
+                    data->req.doh.probe[0].serverdoh.size,
+                    data->req.doh.probe[0].dnstype,
+                    &de);
+    free(data->req.doh.probe[0].serverdoh.memory);
+    if(rc) {
+      infof(data, "DOH: %s type %s for %s\n", doh_strerror(rc),
+            type2name(data->req.doh.probe[0].dnstype),
+            data->req.doh.host);
+    }
+    rc2 = doh_decode(data->req.doh.probe[1].serverdoh.memory,
+                     data->req.doh.probe[1].serverdoh.size,
+                     data->req.doh.probe[1].dnstype,
+                     &de);
+    free(data->req.doh.probe[1].serverdoh.memory);
+    if(rc2) {
+      infof(data, "DOH: %s type %s for %s\n", doh_strerror(rc2),
+            type2name(data->req.doh.probe[1].dnstype),
+            data->req.doh.host);
+    }
+    if(!rc || !rc2) {
+      infof(data, "DOH Host name: %s\n", data->req.doh.host);
+      showdoh(data, &de);
+
+      ai = doh2ai(&de, data->req.doh.host, data->req.doh.port);
+      if(!ai) {
+        de_cleanup(&de);
+        return CURLE_OUT_OF_MEMORY;
+      }
+
+      if(data->share)
+        Curl_share_lock(data, CURL_LOCK_DATA_DNS, CURL_LOCK_ACCESS_SINGLE);
+
+      /* we got a response, store it in the cache */
+      dns = Curl_cache_addr(data, ai, data->req.doh.host, data->req.doh.port);
+
+      if(data->share)
+        Curl_share_unlock(data, CURL_LOCK_DATA_DNS);
+
+      de_cleanup(&de);
+      if(!dns)
+        /* returned failure, bail out nicely */
+        Curl_freeaddrinfo(ai);
+      else {
+        conn->async.dns = dns;
+        *dnsp = dns;
+        return CURLE_OK;
+      }
+    }
+    de_cleanup(&de);
+
+    return CURLE_COULDNT_RESOLVE_HOST;
+  }
+
+  return CURLE_OK;
+}
Index: trunk/src/libs/curl-7.64.0/lib/doh.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/doh.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/doh.h	(revision 85671)
@@ -0,0 +1,105 @@
+#ifndef HEADER_CURL_DOH_H
+#define HEADER_CURL_DOH_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "urldata.h"
+#include "curl_addrinfo.h"
+
+/*
+ * Curl_doh() resolve a name using DoH (DNS-over-HTTPS). It resolves a name
+ * and returns a 'Curl_addrinfo *' with the address information.
+ */
+
+Curl_addrinfo *Curl_doh(struct connectdata *conn,
+                        const char *hostname,
+                        int port,
+                        int *waitp);
+
+CURLcode Curl_doh_is_resolved(struct connectdata *conn,
+                              struct Curl_dns_entry **dns);
+
+int Curl_doh_getsock(struct connectdata *conn, curl_socket_t *socks,
+                     int numsocks);
+
+typedef enum {
+  DOH_OK,
+  DOH_DNS_BAD_LABEL,    /* 1 */
+  DOH_DNS_OUT_OF_RANGE, /* 2 */
+  DOH_DNS_LABEL_LOOP,   /* 3 */
+  DOH_TOO_SMALL_BUFFER, /* 4 */
+  DOH_OUT_OF_MEM,       /* 5 */
+  DOH_DNS_RDATA_LEN,    /* 6 */
+  DOH_DNS_MALFORMAT,    /* 7 */
+  DOH_DNS_BAD_RCODE,    /* 8 - no such name */
+  DOH_DNS_UNEXPECTED_TYPE,  /* 9 */
+  DOH_DNS_UNEXPECTED_CLASS, /* 10 */
+  DOH_NO_CONTENT,           /* 11 */
+  DOH_DNS_BAD_ID            /* 12 */
+} DOHcode;
+
+typedef enum {
+  DNS_TYPE_A = 1,
+  DNS_TYPE_NS = 2,
+  DNS_TYPE_CNAME = 5,
+  DNS_TYPE_AAAA = 28
+} DNStype;
+
+#define DOH_MAX_ADDR 24
+#define DOH_MAX_CNAME 4
+
+struct cnamestore {
+  size_t len;       /* length of cname */
+  char *alloc;      /* allocated pointer */
+  size_t allocsize; /* allocated size */
+};
+
+struct dohaddr {
+  int type;
+  union {
+    unsigned char v4[4]; /* network byte order */
+    unsigned char v6[16];
+  } ip;
+};
+
+struct dohentry {
+  unsigned int ttl;
+  int numaddr;
+  struct dohaddr addr[DOH_MAX_ADDR];
+  int numcname;
+  struct cnamestore cname[DOH_MAX_CNAME];
+};
+
+
+#ifdef DEBUGBUILD
+DOHcode doh_encode(const char *host,
+                   DNStype dnstype,
+                   unsigned char *dnsp, /* buffer */
+                   size_t len,  /* buffer size */
+                   size_t *olen); /* output length */
+DOHcode doh_decode(unsigned char *doh,
+                   size_t dohlen,
+                   DNStype dnstype,
+                   struct dohentry *d);
+void de_cleanup(struct dohentry *d);
+#endif
+#endif /* HEADER_CURL_DOH_H */
Index: trunk/src/libs/curl-7.64.0/lib/dotdot.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/dotdot.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/dotdot.c	(revision 85671)
@@ -0,0 +1,182 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#include "dotdot.h"
+#include "curl_memory.h"
+
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/*
+ * "Remove Dot Segments"
+ * https://tools.ietf.org/html/rfc3986#section-5.2.4
+ */
+
+/*
+ * Curl_dedotdotify()
+ * @unittest: 1395
+ *
+ * This function gets a zero-terminated path with dot and dotdot sequences
+ * passed in and strips them off according to the rules in RFC 3986 section
+ * 5.2.4.
+ *
+ * The function handles a query part ('?' + stuff) appended but it expects
+ * that fragments ('#' + stuff) have already been cut off.
+ *
+ * RETURNS
+ *
+ * an allocated dedotdotified output string
+ */
+char *Curl_dedotdotify(const char *input)
+{
+  size_t inlen = strlen(input);
+  char *clone;
+  size_t clen = inlen; /* the length of the cloned input */
+  char *out = malloc(inlen + 1);
+  char *outptr;
+  char *orgclone;
+  char *queryp;
+  if(!out)
+    return NULL; /* out of memory */
+
+  *out = 0; /* zero terminates, for inputs like "./" */
+
+  /* get a cloned copy of the input */
+  clone = strdup(input);
+  if(!clone) {
+    free(out);
+    return NULL;
+  }
+  orgclone = clone;
+  outptr = out;
+
+  if(!*clone) {
+    /* zero length string, return that */
+    free(out);
+    return clone;
+  }
+
+  /*
+   * To handle query-parts properly, we must find it and remove it during the
+   * dotdot-operation and then append it again at the end to the output
+   * string.
+   */
+  queryp = strchr(clone, '?');
+  if(queryp)
+    *queryp = 0;
+
+  do {
+
+    /*  A.  If the input buffer begins with a prefix of "../" or "./", then
+        remove that prefix from the input buffer; otherwise, */
+
+    if(!strncmp("./", clone, 2)) {
+      clone += 2;
+      clen -= 2;
+    }
+    else if(!strncmp("../", clone, 3)) {
+      clone += 3;
+      clen -= 3;
+    }
+
+    /*  B.  if the input buffer begins with a prefix of "/./" or "/.", where
+        "."  is a complete path segment, then replace that prefix with "/" in
+        the input buffer; otherwise, */
+    else if(!strncmp("/./", clone, 3)) {
+      clone += 2;
+      clen -= 2;
+    }
+    else if(!strcmp("/.", clone)) {
+      clone[1]='/';
+      clone++;
+      clen -= 1;
+    }
+
+    /*  C.  if the input buffer begins with a prefix of "/../" or "/..", where
+        ".." is a complete path segment, then replace that prefix with "/" in
+        the input buffer and remove the last segment and its preceding "/" (if
+        any) from the output buffer; otherwise, */
+
+    else if(!strncmp("/../", clone, 4)) {
+      clone += 3;
+      clen -= 3;
+      /* remove the last segment from the output buffer */
+      while(outptr > out) {
+        outptr--;
+        if(*outptr == '/')
+          break;
+      }
+      *outptr = 0; /* zero-terminate where it stops */
+    }
+    else if(!strcmp("/..", clone)) {
+      clone[2]='/';
+      clone += 2;
+      clen -= 2;
+      /* remove the last segment from the output buffer */
+      while(outptr > out) {
+        outptr--;
+        if(*outptr == '/')
+          break;
+      }
+      *outptr = 0; /* zero-terminate where it stops */
+    }
+
+    /*  D.  if the input buffer consists only of "." or "..", then remove
+        that from the input buffer; otherwise, */
+
+    else if(!strcmp(".", clone) || !strcmp("..", clone)) {
+      *clone = 0;
+      *out = 0;
+    }
+
+    else {
+      /*  E.  move the first path segment in the input buffer to the end of
+          the output buffer, including the initial "/" character (if any) and
+          any subsequent characters up to, but not including, the next "/"
+          character or the end of the input buffer. */
+
+      do {
+        *outptr++ = *clone++;
+        clen--;
+      } while(*clone && (*clone != '/'));
+      *outptr = 0;
+    }
+
+  } while(*clone);
+
+  if(queryp) {
+    size_t qlen;
+    /* There was a query part, append that to the output. The 'clone' string
+       may now have been altered so we copy from the original input string
+       from the correct index. */
+    size_t oindex = queryp - orgclone;
+    qlen = strlen(&input[oindex]);
+    memcpy(outptr, &input[oindex], qlen + 1); /* include the end zero byte */
+  }
+
+  free(orgclone);
+  return out;
+}
Index: trunk/src/libs/curl-7.64.0/lib/dotdot.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/dotdot.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/dotdot.h	(revision 85671)
@@ -0,0 +1,25 @@
+#ifndef HEADER_CURL_DOTDOT_H
+#define HEADER_CURL_DOTDOT_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+char *Curl_dedotdotify(const char *input);
+#endif /* HEADER_CURL_DOTDOT_H */
Index: trunk/src/libs/curl-7.64.0/lib/easy.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/easy.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/easy.c	(revision 85671)
@@ -0,0 +1,1216 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+/*
+ * See comment in curl_memory.h for the explanation of this sanity check.
+ */
+
+#ifdef CURLX_NO_MEMORY_CALLBACKS
+#error "libcurl shall not ever be built with CURLX_NO_MEMORY_CALLBACKS defined"
+#endif
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_NET_IF_H
+#include <net/if.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+#include "urldata.h"
+#include <curl/curl.h>
+#include "transfer.h"
+#include "vtls/vtls.h"
+#include "url.h"
+#include "getinfo.h"
+#include "hostip.h"
+#include "share.h"
+#include "strdup.h"
+#include "progress.h"
+#include "easyif.h"
+#include "multiif.h"
+#include "select.h"
+#include "sendf.h" /* for failf function prototype */
+#include "connect.h" /* for Curl_getconnectinfo */
+#include "slist.h"
+#include "mime.h"
+#include "amigaos.h"
+#include "non-ascii.h"
+#include "warnless.h"
+#include "multiif.h"
+#include "sigpipe.h"
+#include "ssh.h"
+#include "setopt.h"
+#include "http_digest.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+void Curl_version_init(void);
+
+/* win32_cleanup() is for win32 socket cleanup functionality, the opposite
+   of win32_init() */
+static void win32_cleanup(void)
+{
+#ifdef USE_WINSOCK
+  WSACleanup();
+#endif
+#ifdef USE_WINDOWS_SSPI
+  Curl_sspi_global_cleanup();
+#endif
+}
+
+/* win32_init() performs win32 socket initialization to properly setup the
+   stack to allow networking */
+static CURLcode win32_init(void)
+{
+#ifdef USE_WINSOCK
+  WORD wVersionRequested;
+  WSADATA wsaData;
+  int res;
+
+#if defined(ENABLE_IPV6) && (USE_WINSOCK < 2)
+  Error IPV6_requires_winsock2
+#endif
+
+  wVersionRequested = MAKEWORD(USE_WINSOCK, USE_WINSOCK);
+
+  res = WSAStartup(wVersionRequested, &wsaData);
+
+  if(res != 0)
+    /* Tell the user that we couldn't find a usable */
+    /* winsock.dll.     */
+    return CURLE_FAILED_INIT;
+
+  /* Confirm that the Windows Sockets DLL supports what we need.*/
+  /* Note that if the DLL supports versions greater */
+  /* than wVersionRequested, it will still return */
+  /* wVersionRequested in wVersion. wHighVersion contains the */
+  /* highest supported version. */
+
+  if(LOBYTE(wsaData.wVersion) != LOBYTE(wVersionRequested) ||
+     HIBYTE(wsaData.wVersion) != HIBYTE(wVersionRequested) ) {
+    /* Tell the user that we couldn't find a usable */
+
+    /* winsock.dll. */
+    WSACleanup();
+    return CURLE_FAILED_INIT;
+  }
+  /* The Windows Sockets DLL is acceptable. Proceed. */
+#elif defined(USE_LWIPSOCK)
+  lwip_init();
+#endif
+
+#ifdef USE_WINDOWS_SSPI
+  {
+    CURLcode result = Curl_sspi_global_init();
+    if(result)
+      return result;
+  }
+#endif
+
+  return CURLE_OK;
+}
+
+/* true globals -- for curl_global_init() and curl_global_cleanup() */
+static unsigned int  initialized;
+static long          init_flags;
+
+/*
+ * strdup (and other memory functions) is redefined in complicated
+ * ways, but at this point it must be defined as the system-supplied strdup
+ * so the callback pointer is initialized correctly.
+ */
+#if defined(_WIN32_WCE)
+#define system_strdup _strdup
+#elif !defined(HAVE_STRDUP)
+#define system_strdup curlx_strdup
+#else
+#define system_strdup strdup
+#endif
+
+#if defined(_MSC_VER) && defined(_DLL) && !defined(__POCC__)
+#  pragma warning(disable:4232) /* MSVC extension, dllimport identity */
+#endif
+
+#ifndef __SYMBIAN32__
+/*
+ * If a memory-using function (like curl_getenv) is used before
+ * curl_global_init() is called, we need to have these pointers set already.
+ */
+curl_malloc_callback Curl_cmalloc = (curl_malloc_callback)malloc;
+curl_free_callback Curl_cfree = (curl_free_callback)free;
+curl_realloc_callback Curl_crealloc = (curl_realloc_callback)realloc;
+curl_strdup_callback Curl_cstrdup = (curl_strdup_callback)system_strdup;
+curl_calloc_callback Curl_ccalloc = (curl_calloc_callback)calloc;
+#if defined(WIN32) && defined(UNICODE)
+curl_wcsdup_callback Curl_cwcsdup = (curl_wcsdup_callback)_wcsdup;
+#endif
+#else
+/*
+ * Symbian OS doesn't support initialization to code in writable static data.
+ * Initialization will occur in the curl_global_init() call.
+ */
+curl_malloc_callback Curl_cmalloc;
+curl_free_callback Curl_cfree;
+curl_realloc_callback Curl_crealloc;
+curl_strdup_callback Curl_cstrdup;
+curl_calloc_callback Curl_ccalloc;
+#endif
+
+#if defined(_MSC_VER) && defined(_DLL) && !defined(__POCC__)
+#  pragma warning(default:4232) /* MSVC extension, dllimport identity */
+#endif
+
+/**
+ * curl_global_init() globally initializes curl given a bitwise set of the
+ * different features of what to initialize.
+ */
+static CURLcode global_init(long flags, bool memoryfuncs)
+{
+  if(initialized++)
+    return CURLE_OK;
+
+  if(memoryfuncs) {
+    /* Setup the default memory functions here (again) */
+    Curl_cmalloc = (curl_malloc_callback)malloc;
+    Curl_cfree = (curl_free_callback)free;
+    Curl_crealloc = (curl_realloc_callback)realloc;
+    Curl_cstrdup = (curl_strdup_callback)system_strdup;
+    Curl_ccalloc = (curl_calloc_callback)calloc;
+#if defined(WIN32) && defined(UNICODE)
+    Curl_cwcsdup = (curl_wcsdup_callback)_wcsdup;
+#endif
+  }
+
+  if(!Curl_ssl_init()) {
+    DEBUGF(fprintf(stderr, "Error: Curl_ssl_init failed\n"));
+    return CURLE_FAILED_INIT;
+  }
+
+  if(flags & CURL_GLOBAL_WIN32)
+    if(win32_init()) {
+      DEBUGF(fprintf(stderr, "Error: win32_init failed\n"));
+      return CURLE_FAILED_INIT;
+    }
+
+#ifdef __AMIGA__
+  if(!Curl_amiga_init()) {
+    DEBUGF(fprintf(stderr, "Error: Curl_amiga_init failed\n"));
+    return CURLE_FAILED_INIT;
+  }
+#endif
+
+#ifdef NETWARE
+  if(netware_init()) {
+    DEBUGF(fprintf(stderr, "Warning: LONG namespace not available\n"));
+  }
+#endif
+
+  if(Curl_resolver_global_init()) {
+    DEBUGF(fprintf(stderr, "Error: resolver_global_init failed\n"));
+    return CURLE_FAILED_INIT;
+  }
+
+  (void)Curl_ipv6works();
+
+#if defined(USE_LIBSSH2) && defined(HAVE_LIBSSH2_INIT)
+  if(libssh2_init(0)) {
+    DEBUGF(fprintf(stderr, "Error: libssh2_init failed\n"));
+    return CURLE_FAILED_INIT;
+  }
+#endif
+
+#if defined(USE_LIBSSH)
+  if(ssh_init()) {
+    DEBUGF(fprintf(stderr, "Error: libssh_init failed\n"));
+    return CURLE_FAILED_INIT;
+  }
+#endif
+
+  if(flags & CURL_GLOBAL_ACK_EINTR)
+    Curl_ack_eintr = 1;
+
+  init_flags = flags;
+
+  Curl_version_init();
+
+  return CURLE_OK;
+}
+
+
+/**
+ * curl_global_init() globally initializes curl given a bitwise set of the
+ * different features of what to initialize.
+ */
+CURLcode curl_global_init(long flags)
+{
+  return global_init(flags, TRUE);
+}
+
+/*
+ * curl_global_init_mem() globally initializes curl and also registers the
+ * user provided callback routines.
+ */
+CURLcode curl_global_init_mem(long flags, curl_malloc_callback m,
+                              curl_free_callback f, curl_realloc_callback r,
+                              curl_strdup_callback s, curl_calloc_callback c)
+{
+  /* Invalid input, return immediately */
+  if(!m || !f || !r || !s || !c)
+    return CURLE_FAILED_INIT;
+
+  if(initialized) {
+    /* Already initialized, don't do it again, but bump the variable anyway to
+       work like curl_global_init() and require the same amount of cleanup
+       calls. */
+    initialized++;
+    return CURLE_OK;
+  }
+
+  /* set memory functions before global_init() in case it wants memory
+     functions */
+  Curl_cmalloc = m;
+  Curl_cfree = f;
+  Curl_cstrdup = s;
+  Curl_crealloc = r;
+  Curl_ccalloc = c;
+
+  /* Call the actual init function, but without setting */
+  return global_init(flags, FALSE);
+}
+
+/**
+ * curl_global_cleanup() globally cleanups curl, uses the value of
+ * "init_flags" to determine what needs to be cleaned up and what doesn't.
+ */
+void curl_global_cleanup(void)
+{
+  if(!initialized)
+    return;
+
+  if(--initialized)
+    return;
+
+  Curl_global_host_cache_dtor();
+  Curl_ssl_cleanup();
+  Curl_resolver_global_cleanup();
+
+  if(init_flags & CURL_GLOBAL_WIN32)
+    win32_cleanup();
+
+  Curl_amiga_cleanup();
+
+#if defined(USE_LIBSSH2) && defined(HAVE_LIBSSH2_EXIT)
+  (void)libssh2_exit();
+#endif
+
+#if defined(USE_LIBSSH)
+  (void)ssh_finalize();
+#endif
+
+  init_flags  = 0;
+}
+
+/*
+ * curl_easy_init() is the external interface to alloc, setup and init an
+ * easy handle that is returned. If anything goes wrong, NULL is returned.
+ */
+struct Curl_easy *curl_easy_init(void)
+{
+  CURLcode result;
+  struct Curl_easy *data;
+
+  /* Make sure we inited the global SSL stuff */
+  if(!initialized) {
+    result = curl_global_init(CURL_GLOBAL_DEFAULT);
+    if(result) {
+      /* something in the global init failed, return nothing */
+      DEBUGF(fprintf(stderr, "Error: curl_global_init failed\n"));
+      return NULL;
+    }
+  }
+
+  /* We use curl_open() with undefined URL so far */
+  result = Curl_open(&data);
+  if(result) {
+    DEBUGF(fprintf(stderr, "Error: Curl_open failed\n"));
+    return NULL;
+  }
+
+  return data;
+}
+
+#ifdef CURLDEBUG
+
+struct socketmonitor {
+  struct socketmonitor *next; /* the next node in the list or NULL */
+  struct pollfd socket; /* socket info of what to monitor */
+};
+
+struct events {
+  long ms;              /* timeout, run the timeout function when reached */
+  bool msbump;          /* set TRUE when timeout is set by callback */
+  int num_sockets;      /* number of nodes in the monitor list */
+  struct socketmonitor *list; /* list of sockets to monitor */
+  int running_handles;  /* store the returned number */
+};
+
+/* events_timer
+ *
+ * Callback that gets called with a new value when the timeout should be
+ * updated.
+ */
+
+static int events_timer(struct Curl_multi *multi,    /* multi handle */
+                        long timeout_ms, /* see above */
+                        void *userp)    /* private callback pointer */
+{
+  struct events *ev = userp;
+  (void)multi;
+  if(timeout_ms == -1)
+    /* timeout removed */
+    timeout_ms = 0;
+  else if(timeout_ms == 0)
+    /* timeout is already reached! */
+    timeout_ms = 1; /* trigger asap */
+
+  ev->ms = timeout_ms;
+  ev->msbump = TRUE;
+  return 0;
+}
+
+
+/* poll2cselect
+ *
+ * convert from poll() bit definitions to libcurl's CURL_CSELECT_* ones
+ */
+static int poll2cselect(int pollmask)
+{
+  int omask = 0;
+  if(pollmask & POLLIN)
+    omask |= CURL_CSELECT_IN;
+  if(pollmask & POLLOUT)
+    omask |= CURL_CSELECT_OUT;
+  if(pollmask & POLLERR)
+    omask |= CURL_CSELECT_ERR;
+  return omask;
+}
+
+
+/* socketcb2poll
+ *
+ * convert from libcurl' CURL_POLL_* bit definitions to poll()'s
+ */
+static short socketcb2poll(int pollmask)
+{
+  short omask = 0;
+  if(pollmask & CURL_POLL_IN)
+    omask |= POLLIN;
+  if(pollmask & CURL_POLL_OUT)
+    omask |= POLLOUT;
+  return omask;
+}
+
+/* events_socket
+ *
+ * Callback that gets called with information about socket activity to
+ * monitor.
+ */
+static int events_socket(struct Curl_easy *easy,      /* easy handle */
+                         curl_socket_t s, /* socket */
+                         int what,        /* see above */
+                         void *userp,     /* private callback
+                                             pointer */
+                         void *socketp)   /* private socket
+                                             pointer */
+{
+  struct events *ev = userp;
+  struct socketmonitor *m;
+  struct socketmonitor *prev = NULL;
+
+#if defined(CURL_DISABLE_VERBOSE_STRINGS)
+  (void) easy;
+#endif
+  (void)socketp;
+
+  m = ev->list;
+  while(m) {
+    if(m->socket.fd == s) {
+
+      if(what == CURL_POLL_REMOVE) {
+        struct socketmonitor *nxt = m->next;
+        /* remove this node from the list of monitored sockets */
+        if(prev)
+          prev->next = nxt;
+        else
+          ev->list = nxt;
+        free(m);
+        m = nxt;
+        infof(easy, "socket cb: socket %d REMOVED\n", s);
+      }
+      else {
+        /* The socket 's' is already being monitored, update the activity
+           mask. Convert from libcurl bitmask to the poll one. */
+        m->socket.events = socketcb2poll(what);
+        infof(easy, "socket cb: socket %d UPDATED as %s%s\n", s,
+              what&CURL_POLL_IN?"IN":"",
+              what&CURL_POLL_OUT?"OUT":"");
+      }
+      break;
+    }
+    prev = m;
+    m = m->next; /* move to next node */
+  }
+  if(!m) {
+    if(what == CURL_POLL_REMOVE) {
+      /* this happens a bit too often, libcurl fix perhaps? */
+      /* fprintf(stderr,
+         "%s: socket %d asked to be REMOVED but not present!\n",
+                 __func__, s); */
+    }
+    else {
+      m = malloc(sizeof(struct socketmonitor));
+      if(m) {
+        m->next = ev->list;
+        m->socket.fd = s;
+        m->socket.events = socketcb2poll(what);
+        m->socket.revents = 0;
+        ev->list = m;
+        infof(easy, "socket cb: socket %d ADDED as %s%s\n", s,
+              what&CURL_POLL_IN?"IN":"",
+              what&CURL_POLL_OUT?"OUT":"");
+      }
+      else
+        return CURLE_OUT_OF_MEMORY;
+    }
+  }
+
+  return 0;
+}
+
+
+/*
+ * events_setup()
+ *
+ * Do the multi handle setups that only event-based transfers need.
+ */
+static void events_setup(struct Curl_multi *multi, struct events *ev)
+{
+  /* timer callback */
+  curl_multi_setopt(multi, CURLMOPT_TIMERFUNCTION, events_timer);
+  curl_multi_setopt(multi, CURLMOPT_TIMERDATA, ev);
+
+  /* socket callback */
+  curl_multi_setopt(multi, CURLMOPT_SOCKETFUNCTION, events_socket);
+  curl_multi_setopt(multi, CURLMOPT_SOCKETDATA, ev);
+}
+
+
+/* wait_or_timeout()
+ *
+ * waits for activity on any of the given sockets, or the timeout to trigger.
+ */
+
+static CURLcode wait_or_timeout(struct Curl_multi *multi, struct events *ev)
+{
+  bool done = FALSE;
+  CURLMcode mcode = CURLM_OK;
+  CURLcode result = CURLE_OK;
+
+  while(!done) {
+    CURLMsg *msg;
+    struct socketmonitor *m;
+    struct pollfd *f;
+    struct pollfd fds[4];
+    int numfds = 0;
+    int pollrc;
+    int i;
+    struct curltime before;
+    struct curltime after;
+
+    /* populate the fds[] array */
+    for(m = ev->list, f = &fds[0]; m; m = m->next) {
+      f->fd = m->socket.fd;
+      f->events = m->socket.events;
+      f->revents = 0;
+      /* fprintf(stderr, "poll() %d check socket %d\n", numfds, f->fd); */
+      f++;
+      numfds++;
+    }
+
+    /* get the time stamp to use to figure out how long poll takes */
+    before = Curl_now();
+
+    /* wait for activity or timeout */
+    pollrc = Curl_poll(fds, numfds, (int)ev->ms);
+
+    after = Curl_now();
+
+    ev->msbump = FALSE; /* reset here */
+
+    if(0 == pollrc) {
+      /* timeout! */
+      ev->ms = 0;
+      /* fprintf(stderr, "call curl_multi_socket_action(TIMEOUT)\n"); */
+      mcode = curl_multi_socket_action(multi, CURL_SOCKET_TIMEOUT, 0,
+                                       &ev->running_handles);
+    }
+    else if(pollrc > 0) {
+      /* loop over the monitored sockets to see which ones had activity */
+      for(i = 0; i< numfds; i++) {
+        if(fds[i].revents) {
+          /* socket activity, tell libcurl */
+          int act = poll2cselect(fds[i].revents); /* convert */
+          infof(multi->easyp, "call curl_multi_socket_action(socket %d)\n",
+                fds[i].fd);
+          mcode = curl_multi_socket_action(multi, fds[i].fd, act,
+                                           &ev->running_handles);
+        }
+      }
+
+      if(!ev->msbump) {
+        /* If nothing updated the timeout, we decrease it by the spent time.
+         * If it was updated, it has the new timeout time stored already.
+         */
+        timediff_t timediff = Curl_timediff(after, before);
+        if(timediff > 0) {
+          if(timediff > ev->ms)
+            ev->ms = 0;
+          else
+            ev->ms -= (long)timediff;
+        }
+      }
+    }
+    else
+      return CURLE_RECV_ERROR;
+
+    if(mcode)
+      return CURLE_URL_MALFORMAT; /* TODO: return a proper error! */
+
+    /* we don't really care about the "msgs_in_queue" value returned in the
+       second argument */
+    msg = curl_multi_info_read(multi, &pollrc);
+    if(msg) {
+      result = msg->data.result;
+      done = TRUE;
+    }
+  }
+
+  return result;
+}
+
+
+/* easy_events()
+ *
+ * Runs a transfer in a blocking manner using the events-based API
+ */
+static CURLcode easy_events(struct Curl_multi *multi)
+{
+  /* this struct is made static to allow it to be used after this function
+     returns and curl_multi_remove_handle() is called */
+  static struct events evs = {2, FALSE, 0, NULL, 0};
+
+  /* if running event-based, do some further multi inits */
+  events_setup(multi, &evs);
+
+  return wait_or_timeout(multi, &evs);
+}
+#else /* CURLDEBUG */
+/* when not built with debug, this function doesn't exist */
+#define easy_events(x) CURLE_NOT_BUILT_IN
+#endif
+
+static CURLcode easy_transfer(struct Curl_multi *multi)
+{
+  bool done = FALSE;
+  CURLMcode mcode = CURLM_OK;
+  CURLcode result = CURLE_OK;
+
+  while(!done && !mcode) {
+    int still_running = 0;
+    bool gotsocket = FALSE;
+
+    mcode = Curl_multi_wait(multi, NULL, 0, 1000, NULL, &gotsocket);
+
+    if(!mcode) {
+      if(!gotsocket) {
+        long sleep_ms;
+
+        /* If it returns without any filedescriptor instantly, we need to
+           avoid busy-looping during periods where it has nothing particular
+           to wait for */
+        curl_multi_timeout(multi, &sleep_ms);
+        if(sleep_ms) {
+          if(sleep_ms > 1000)
+            sleep_ms = 1000;
+          Curl_wait_ms((int)sleep_ms);
+        }
+      }
+
+      mcode = curl_multi_perform(multi, &still_running);
+    }
+
+    /* only read 'still_running' if curl_multi_perform() return OK */
+    if(!mcode && !still_running) {
+      int rc;
+      CURLMsg *msg = curl_multi_info_read(multi, &rc);
+      if(msg) {
+        result = msg->data.result;
+        done = TRUE;
+      }
+    }
+  }
+
+  /* Make sure to return some kind of error if there was a multi problem */
+  if(mcode) {
+    result = (mcode == CURLM_OUT_OF_MEMORY) ? CURLE_OUT_OF_MEMORY :
+              /* The other multi errors should never happen, so return
+                 something suitably generic */
+              CURLE_BAD_FUNCTION_ARGUMENT;
+  }
+
+  return result;
+}
+
+
+/*
+ * easy_perform() is the external interface that performs a blocking
+ * transfer as previously setup.
+ *
+ * CONCEPT: This function creates a multi handle, adds the easy handle to it,
+ * runs curl_multi_perform() until the transfer is done, then detaches the
+ * easy handle, destroys the multi handle and returns the easy handle's return
+ * code.
+ *
+ * REALITY: it can't just create and destroy the multi handle that easily. It
+ * needs to keep it around since if this easy handle is used again by this
+ * function, the same multi handle must be re-used so that the same pools and
+ * caches can be used.
+ *
+ * DEBUG: if 'events' is set TRUE, this function will use a replacement engine
+ * instead of curl_multi_perform() and use curl_multi_socket_action().
+ */
+static CURLcode easy_perform(struct Curl_easy *data, bool events)
+{
+  struct Curl_multi *multi;
+  CURLMcode mcode;
+  CURLcode result = CURLE_OK;
+  SIGPIPE_VARIABLE(pipe_st);
+
+  if(!data)
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+
+  if(data->set.errorbuffer)
+    /* clear this as early as possible */
+    data->set.errorbuffer[0] = 0;
+
+  if(data->multi) {
+    failf(data, "easy handle already used in multi handle");
+    return CURLE_FAILED_INIT;
+  }
+
+  if(data->multi_easy)
+    multi = data->multi_easy;
+  else {
+    /* this multi handle will only ever have a single easy handled attached
+       to it, so make it use minimal hashes */
+    multi = Curl_multi_handle(1, 3);
+    if(!multi)
+      return CURLE_OUT_OF_MEMORY;
+    data->multi_easy = multi;
+  }
+
+  if(multi->in_callback)
+    return CURLE_RECURSIVE_API_CALL;
+
+  /* Copy the MAXCONNECTS option to the multi handle */
+  curl_multi_setopt(multi, CURLMOPT_MAXCONNECTS, data->set.maxconnects);
+
+  mcode = curl_multi_add_handle(multi, data);
+  if(mcode) {
+    curl_multi_cleanup(multi);
+    if(mcode == CURLM_OUT_OF_MEMORY)
+      return CURLE_OUT_OF_MEMORY;
+    return CURLE_FAILED_INIT;
+  }
+
+  sigpipe_ignore(data, &pipe_st);
+
+  /* assign this after curl_multi_add_handle() since that function checks for
+     it and rejects this handle otherwise */
+  data->multi = multi;
+
+  /* run the transfer */
+  result = events ? easy_events(multi) : easy_transfer(multi);
+
+  /* ignoring the return code isn't nice, but atm we can't really handle
+     a failure here, room for future improvement! */
+  (void)curl_multi_remove_handle(multi, data);
+
+  sigpipe_restore(&pipe_st);
+
+  /* The multi handle is kept alive, owned by the easy handle */
+  return result;
+}
+
+
+/*
+ * curl_easy_perform() is the external interface that performs a blocking
+ * transfer as previously setup.
+ */
+CURLcode curl_easy_perform(struct Curl_easy *data)
+{
+  return easy_perform(data, FALSE);
+}
+
+#ifdef CURLDEBUG
+/*
+ * curl_easy_perform_ev() is the external interface that performs a blocking
+ * transfer using the event-based API internally.
+ */
+CURLcode curl_easy_perform_ev(struct Curl_easy *data)
+{
+  return easy_perform(data, TRUE);
+}
+
+#endif
+
+/*
+ * curl_easy_cleanup() is the external interface to cleaning/freeing the given
+ * easy handle.
+ */
+void curl_easy_cleanup(struct Curl_easy *data)
+{
+  SIGPIPE_VARIABLE(pipe_st);
+
+  if(!data)
+    return;
+
+  sigpipe_ignore(data, &pipe_st);
+  Curl_close(data);
+  sigpipe_restore(&pipe_st);
+}
+
+/*
+ * curl_easy_getinfo() is an external interface that allows an app to retrieve
+ * information from a performed transfer and similar.
+ */
+#undef curl_easy_getinfo
+CURLcode curl_easy_getinfo(struct Curl_easy *data, CURLINFO info, ...)
+{
+  va_list arg;
+  void *paramp;
+  CURLcode result;
+
+  va_start(arg, info);
+  paramp = va_arg(arg, void *);
+
+  result = Curl_getinfo(data, info, paramp);
+
+  va_end(arg);
+  return result;
+}
+
+static CURLcode dupset(struct Curl_easy *dst, struct Curl_easy *src)
+{
+  CURLcode result = CURLE_OK;
+  enum dupstring i;
+
+  /* Copy src->set into dst->set first, then deal with the strings
+     afterwards */
+  dst->set = src->set;
+  Curl_mime_initpart(&dst->set.mimepost, dst);
+
+  /* clear all string pointers first */
+  memset(dst->set.str, 0, STRING_LAST * sizeof(char *));
+
+  /* duplicate all strings */
+  for(i = (enum dupstring)0; i< STRING_LASTZEROTERMINATED; i++) {
+    result = Curl_setstropt(&dst->set.str[i], src->set.str[i]);
+    if(result)
+      return result;
+  }
+
+  /* duplicate memory areas pointed to */
+  i = STRING_COPYPOSTFIELDS;
+  if(src->set.postfieldsize && src->set.str[i]) {
+    /* postfieldsize is curl_off_t, Curl_memdup() takes a size_t ... */
+    dst->set.str[i] = Curl_memdup(src->set.str[i],
+                                  curlx_sotouz(src->set.postfieldsize));
+    if(!dst->set.str[i])
+      return CURLE_OUT_OF_MEMORY;
+    /* point to the new copy */
+    dst->set.postfields = dst->set.str[i];
+  }
+
+  /* Duplicate mime data. */
+  result = Curl_mime_duppart(&dst->set.mimepost, &src->set.mimepost);
+
+  if(src->set.resolve)
+    dst->change.resolve = dst->set.resolve;
+
+  return result;
+}
+
+/*
+ * curl_easy_duphandle() is an external interface to allow duplication of a
+ * given input easy handle. The returned handle will be a new working handle
+ * with all options set exactly as the input source handle.
+ */
+struct Curl_easy *curl_easy_duphandle(struct Curl_easy *data)
+{
+  struct Curl_easy *outcurl = calloc(1, sizeof(struct Curl_easy));
+  if(NULL == outcurl)
+    goto fail;
+
+  /*
+   * We setup a few buffers we need. We should probably make them
+   * get setup on-demand in the code, as that would probably decrease
+   * the likeliness of us forgetting to init a buffer here in the future.
+   */
+  outcurl->set.buffer_size = data->set.buffer_size;
+  outcurl->state.buffer = malloc(outcurl->set.buffer_size + 1);
+  if(!outcurl->state.buffer)
+    goto fail;
+
+  outcurl->state.headerbuff = malloc(HEADERSIZE);
+  if(!outcurl->state.headerbuff)
+    goto fail;
+  outcurl->state.headersize = HEADERSIZE;
+
+  /* copy all userdefined values */
+  if(dupset(outcurl, data))
+    goto fail;
+
+  /* the connection cache is setup on demand */
+  outcurl->state.conn_cache = NULL;
+
+  outcurl->state.lastconnect = NULL;
+
+  outcurl->progress.flags    = data->progress.flags;
+  outcurl->progress.callback = data->progress.callback;
+
+  if(data->cookies) {
+    /* If cookies are enabled in the parent handle, we enable them
+       in the clone as well! */
+    outcurl->cookies = Curl_cookie_init(data,
+                                        data->cookies->filename,
+                                        outcurl->cookies,
+                                        data->set.cookiesession);
+    if(!outcurl->cookies)
+      goto fail;
+  }
+
+  /* duplicate all values in 'change' */
+  if(data->change.cookielist) {
+    outcurl->change.cookielist =
+      Curl_slist_duplicate(data->change.cookielist);
+    if(!outcurl->change.cookielist)
+      goto fail;
+  }
+
+  if(data->change.url) {
+    outcurl->change.url = strdup(data->change.url);
+    if(!outcurl->change.url)
+      goto fail;
+    outcurl->change.url_alloc = TRUE;
+  }
+
+  if(data->change.referer) {
+    outcurl->change.referer = strdup(data->change.referer);
+    if(!outcurl->change.referer)
+      goto fail;
+    outcurl->change.referer_alloc = TRUE;
+  }
+
+  /* Reinitialize an SSL engine for the new handle
+   * note: the engine name has already been copied by dupset */
+  if(outcurl->set.str[STRING_SSL_ENGINE]) {
+    if(Curl_ssl_set_engine(outcurl, outcurl->set.str[STRING_SSL_ENGINE]))
+      goto fail;
+  }
+
+  /* Clone the resolver handle, if present, for the new handle */
+  if(Curl_resolver_duphandle(outcurl,
+                             &outcurl->state.resolver,
+                             data->state.resolver))
+    goto fail;
+
+  Curl_convert_setup(outcurl);
+
+  Curl_initinfo(outcurl);
+
+  outcurl->magic = CURLEASY_MAGIC_NUMBER;
+
+  /* we reach this point and thus we are OK */
+
+  return outcurl;
+
+  fail:
+
+  if(outcurl) {
+    curl_slist_free_all(outcurl->change.cookielist);
+    outcurl->change.cookielist = NULL;
+    Curl_safefree(outcurl->state.buffer);
+    Curl_safefree(outcurl->state.headerbuff);
+    Curl_safefree(outcurl->change.url);
+    Curl_safefree(outcurl->change.referer);
+    Curl_freeset(outcurl);
+    free(outcurl);
+  }
+
+  return NULL;
+}
+
+/*
+ * curl_easy_reset() is an external interface that allows an app to re-
+ * initialize a session handle to the default values.
+ */
+void curl_easy_reset(struct Curl_easy *data)
+{
+  Curl_free_request_state(data);
+
+  /* zero out UserDefined data: */
+  Curl_freeset(data);
+  memset(&data->set, 0, sizeof(struct UserDefined));
+  (void)Curl_init_userdefined(data);
+
+  /* zero out Progress data: */
+  memset(&data->progress, 0, sizeof(struct Progress));
+
+  /* zero out PureInfo data: */
+  Curl_initinfo(data);
+
+  data->progress.flags |= PGRS_HIDE;
+  data->state.current_speed = -1; /* init to negative == impossible */
+
+  /* zero out authentication data: */
+  memset(&data->state.authhost, 0, sizeof(struct auth));
+  memset(&data->state.authproxy, 0, sizeof(struct auth));
+  Curl_digest_cleanup(data);
+}
+
+/*
+ * curl_easy_pause() allows an application to pause or unpause a specific
+ * transfer and direction. This function sets the full new state for the
+ * current connection this easy handle operates on.
+ *
+ * NOTE: if you have the receiving paused and you call this function to remove
+ * the pausing, you may get your write callback called at this point.
+ *
+ * Action is a bitmask consisting of CURLPAUSE_* bits in curl/curl.h
+ *
+ * NOTE: This is one of few API functions that are allowed to be called from
+ * within a callback.
+ */
+CURLcode curl_easy_pause(struct Curl_easy *data, int action)
+{
+  struct SingleRequest *k = &data->req;
+  CURLcode result = CURLE_OK;
+
+  /* first switch off both pause bits */
+  int newstate = k->keepon &~ (KEEP_RECV_PAUSE| KEEP_SEND_PAUSE);
+
+  /* set the new desired pause bits */
+  newstate |= ((action & CURLPAUSE_RECV)?KEEP_RECV_PAUSE:0) |
+    ((action & CURLPAUSE_SEND)?KEEP_SEND_PAUSE:0);
+
+  /* put it back in the keepon */
+  k->keepon = newstate;
+
+  if(!(newstate & KEEP_RECV_PAUSE) && data->state.tempcount) {
+    /* there are buffers for sending that can be delivered as the receive
+       pausing is lifted! */
+    unsigned int i;
+    unsigned int count = data->state.tempcount;
+    struct tempbuf writebuf[3]; /* there can only be three */
+    struct connectdata *conn = data->conn;
+    struct Curl_easy *saved_data = NULL;
+
+    /* copy the structs to allow for immediate re-pausing */
+    for(i = 0; i < data->state.tempcount; i++) {
+      writebuf[i] = data->state.tempwrite[i];
+      data->state.tempwrite[i].buf = NULL;
+    }
+    data->state.tempcount = 0;
+
+    /* set the connection's current owner */
+    if(conn->data != data) {
+      saved_data = conn->data;
+      conn->data = data;
+    }
+
+    for(i = 0; i < count; i++) {
+      /* even if one function returns error, this loops through and frees all
+         buffers */
+      if(!result)
+        result = Curl_client_write(conn, writebuf[i].type, writebuf[i].buf,
+                                   writebuf[i].len);
+      free(writebuf[i].buf);
+    }
+
+    /* recover previous owner of the connection */
+    if(saved_data)
+      conn->data = saved_data;
+
+    if(result)
+      return result;
+  }
+
+  /* if there's no error and we're not pausing both directions, we want
+     to have this handle checked soon */
+  if(!result &&
+     ((newstate&(KEEP_RECV_PAUSE|KEEP_SEND_PAUSE)) !=
+      (KEEP_RECV_PAUSE|KEEP_SEND_PAUSE)) )
+    Curl_expire(data, 0, EXPIRE_RUN_NOW); /* get this handle going again */
+
+  /* This transfer may have been moved in or out of the bundle, update
+     the corresponding socket callback, if used */
+  Curl_updatesocket(data);
+
+  return result;
+}
+
+
+static CURLcode easy_connection(struct Curl_easy *data,
+                                curl_socket_t *sfd,
+                                struct connectdata **connp)
+{
+  if(data == NULL)
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+
+  /* only allow these to be called on handles with CURLOPT_CONNECT_ONLY */
+  if(!data->set.connect_only) {
+    failf(data, "CONNECT_ONLY is required!");
+    return CURLE_UNSUPPORTED_PROTOCOL;
+  }
+
+  *sfd = Curl_getconnectinfo(data, connp);
+
+  if(*sfd == CURL_SOCKET_BAD) {
+    failf(data, "Failed to get recent socket");
+    return CURLE_UNSUPPORTED_PROTOCOL;
+  }
+
+  return CURLE_OK;
+}
+
+/*
+ * Receives data from the connected socket. Use after successful
+ * curl_easy_perform() with CURLOPT_CONNECT_ONLY option.
+ * Returns CURLE_OK on success, error code on error.
+ */
+CURLcode curl_easy_recv(struct Curl_easy *data, void *buffer, size_t buflen,
+                        size_t *n)
+{
+  curl_socket_t sfd;
+  CURLcode result;
+  ssize_t n1;
+  struct connectdata *c;
+
+  if(Curl_is_in_callback(data))
+    return CURLE_RECURSIVE_API_CALL;
+
+  result = easy_connection(data, &sfd, &c);
+  if(result)
+    return result;
+
+  *n = 0;
+  result = Curl_read(c, sfd, buffer, buflen, &n1);
+
+  if(result)
+    return result;
+
+  *n = (size_t)n1;
+
+  return CURLE_OK;
+}
+
+/*
+ * Sends data over the connected socket. Use after successful
+ * curl_easy_perform() with CURLOPT_CONNECT_ONLY option.
+ */
+CURLcode curl_easy_send(struct Curl_easy *data, const void *buffer,
+                        size_t buflen, size_t *n)
+{
+  curl_socket_t sfd;
+  CURLcode result;
+  ssize_t n1;
+  struct connectdata *c = NULL;
+
+  if(Curl_is_in_callback(data))
+    return CURLE_RECURSIVE_API_CALL;
+
+  result = easy_connection(data, &sfd, &c);
+  if(result)
+    return result;
+
+  *n = 0;
+  result = Curl_write(c, sfd, buffer, buflen, &n1);
+
+  if(n1 == -1)
+    return CURLE_SEND_ERROR;
+
+  /* detect EAGAIN */
+  if(!result && !n1)
+    return CURLE_AGAIN;
+
+  *n = (size_t)n1;
+
+  return result;
+}
+
+/*
+ * Performs connection upkeep for the given session handle.
+ */
+CURLcode curl_easy_upkeep(struct Curl_easy *data)
+{
+  /* Verify that we got an easy handle we can work with. */
+  if(!GOOD_EASY_HANDLE(data))
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+
+  if(data->multi_easy) {
+    /* Use the common function to keep connections alive. */
+    return Curl_upkeep(&data->multi_easy->conn_cache, data);
+  }
+  else {
+    /* No connections, so just return success */
+    return CURLE_OK;
+  }
+}
Index: trunk/src/libs/curl-7.64.0/lib/easyif.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/easyif.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/easyif.h	(revision 85671)
@@ -0,0 +1,32 @@
+#ifndef HEADER_CURL_EASYIF_H
+#define HEADER_CURL_EASYIF_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Prototypes for library-wide functions provided by easy.c
+ */
+#ifdef CURLDEBUG
+CURL_EXTERN CURLcode curl_easy_perform_ev(struct Curl_easy *easy);
+#endif
+
+#endif /* HEADER_CURL_EASYIF_H */
Index: trunk/src/libs/curl-7.64.0/lib/escape.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/escape.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/escape.c	(revision 85671)
@@ -0,0 +1,244 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* Escape and unescape URL encoding in strings. The functions return a new
+ * allocated string or NULL if an error occurred.  */
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#include "urldata.h"
+#include "warnless.h"
+#include "non-ascii.h"
+#include "escape.h"
+#include "strdup.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* Portable character check (remember EBCDIC). Do not use isalnum() because
+   its behavior is altered by the current locale.
+   See https://tools.ietf.org/html/rfc3986#section-2.3
+*/
+bool Curl_isunreserved(unsigned char in)
+{
+  switch(in) {
+    case '0': case '1': case '2': case '3': case '4':
+    case '5': case '6': case '7': case '8': case '9':
+    case 'a': case 'b': case 'c': case 'd': case 'e':
+    case 'f': case 'g': case 'h': case 'i': case 'j':
+    case 'k': case 'l': case 'm': case 'n': case 'o':
+    case 'p': case 'q': case 'r': case 's': case 't':
+    case 'u': case 'v': case 'w': case 'x': case 'y': case 'z':
+    case 'A': case 'B': case 'C': case 'D': case 'E':
+    case 'F': case 'G': case 'H': case 'I': case 'J':
+    case 'K': case 'L': case 'M': case 'N': case 'O':
+    case 'P': case 'Q': case 'R': case 'S': case 'T':
+    case 'U': case 'V': case 'W': case 'X': case 'Y': case 'Z':
+    case '-': case '.': case '_': case '~':
+      return TRUE;
+    default:
+      break;
+  }
+  return FALSE;
+}
+
+/* for ABI-compatibility with previous versions */
+char *curl_escape(const char *string, int inlength)
+{
+  return curl_easy_escape(NULL, string, inlength);
+}
+
+/* for ABI-compatibility with previous versions */
+char *curl_unescape(const char *string, int length)
+{
+  return curl_easy_unescape(NULL, string, length, NULL);
+}
+
+char *curl_easy_escape(struct Curl_easy *data, const char *string,
+                       int inlength)
+{
+  size_t alloc;
+  char *ns;
+  char *testing_ptr = NULL;
+  size_t newlen;
+  size_t strindex = 0;
+  size_t length;
+  CURLcode result;
+
+  if(inlength < 0)
+    return NULL;
+
+  alloc = (inlength?(size_t)inlength:strlen(string)) + 1;
+  newlen = alloc;
+
+  ns = malloc(alloc);
+  if(!ns)
+    return NULL;
+
+  length = alloc-1;
+  while(length--) {
+    unsigned char in = *string; /* we need to treat the characters unsigned */
+
+    if(Curl_isunreserved(in))
+      /* just copy this */
+      ns[strindex++] = in;
+    else {
+      /* encode it */
+      newlen += 2; /* the size grows with two, since this'll become a %XX */
+      if(newlen > alloc) {
+        alloc *= 2;
+        testing_ptr = Curl_saferealloc(ns, alloc);
+        if(!testing_ptr)
+          return NULL;
+        ns = testing_ptr;
+      }
+
+      result = Curl_convert_to_network(data, (char *)&in, 1);
+      if(result) {
+        /* Curl_convert_to_network calls failf if unsuccessful */
+        free(ns);
+        return NULL;
+      }
+
+      msnprintf(&ns[strindex], 4, "%%%02X", in);
+
+      strindex += 3;
+    }
+    string++;
+  }
+  ns[strindex] = 0; /* terminate it */
+  return ns;
+}
+
+/*
+ * Curl_urldecode() URL decodes the given string.
+ *
+ * Optionally detects control characters (byte codes lower than 32) in the
+ * data and rejects such data.
+ *
+ * Returns a pointer to a malloced string in *ostring with length given in
+ * *olen. If length == 0, the length is assumed to be strlen(string).
+ *
+ * 'data' can be set to NULL but then this function can't convert network
+ * data to host for non-ascii.
+ */
+CURLcode Curl_urldecode(struct Curl_easy *data,
+                        const char *string, size_t length,
+                        char **ostring, size_t *olen,
+                        bool reject_ctrl)
+{
+  size_t alloc = (length?length:strlen(string)) + 1;
+  char *ns = malloc(alloc);
+  size_t strindex = 0;
+  unsigned long hex;
+  CURLcode result = CURLE_OK;
+
+  if(!ns)
+    return CURLE_OUT_OF_MEMORY;
+
+  while(--alloc > 0) {
+    unsigned char in = *string;
+    if(('%' == in) && (alloc > 2) &&
+       ISXDIGIT(string[1]) && ISXDIGIT(string[2])) {
+      /* this is two hexadecimal digits following a '%' */
+      char hexstr[3];
+      char *ptr;
+      hexstr[0] = string[1];
+      hexstr[1] = string[2];
+      hexstr[2] = 0;
+
+      hex = strtoul(hexstr, &ptr, 16);
+
+      in = curlx_ultouc(hex); /* this long is never bigger than 255 anyway */
+
+      if(data) {
+        result = Curl_convert_from_network(data, (char *)&in, 1);
+        if(result) {
+          /* Curl_convert_from_network calls failf if unsuccessful */
+          free(ns);
+          return result;
+        }
+      }
+
+      string += 2;
+      alloc -= 2;
+    }
+
+    if(reject_ctrl && (in < 0x20)) {
+      free(ns);
+      return CURLE_URL_MALFORMAT;
+    }
+
+    ns[strindex++] = in;
+    string++;
+  }
+  ns[strindex] = 0; /* terminate it */
+
+  if(olen)
+    /* store output size */
+    *olen = strindex;
+
+  /* store output string */
+  *ostring = ns;
+
+  return CURLE_OK;
+}
+
+/*
+ * Unescapes the given URL escaped string of given length. Returns a
+ * pointer to a malloced string with length given in *olen.
+ * If length == 0, the length is assumed to be strlen(string).
+ * If olen == NULL, no output length is stored.
+ */
+char *curl_easy_unescape(struct Curl_easy *data, const char *string,
+                         int length, int *olen)
+{
+  char *str = NULL;
+  if(length >= 0) {
+    size_t inputlen = length;
+    size_t outputlen;
+    CURLcode res = Curl_urldecode(data, string, inputlen, &str, &outputlen,
+                                  FALSE);
+    if(res)
+      return NULL;
+
+    if(olen) {
+      if(outputlen <= (size_t) INT_MAX)
+        *olen = curlx_uztosi(outputlen);
+      else
+        /* too large to return in an int, fail! */
+        Curl_safefree(str);
+    }
+  }
+  return str;
+}
+
+/* For operating systems/environments that use different malloc/free
+   systems for the app and for this library, we provide a free that uses
+   the library's memory system */
+void curl_free(void *p)
+{
+  free(p);
+}
Index: trunk/src/libs/curl-7.64.0/lib/escape.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/escape.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/escape.h	(revision 85671)
@@ -0,0 +1,33 @@
+#ifndef HEADER_CURL_ESCAPE_H
+#define HEADER_CURL_ESCAPE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+/* Escape and unescape URL encoding in strings. The functions return a new
+ * allocated string or NULL if an error occurred.  */
+
+bool Curl_isunreserved(unsigned char in);
+CURLcode Curl_urldecode(struct Curl_easy *data,
+                        const char *string, size_t length,
+                        char **ostring, size_t *olen,
+                        bool reject_crlf);
+
+#endif /* HEADER_CURL_ESCAPE_H */
Index: trunk/src/libs/curl-7.64.0/lib/file.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/file.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/file.c	(revision 85671)
@@ -0,0 +1,544 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_FILE
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_NET_IF_H
+#include <net/if.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+
+#include "strtoofft.h"
+#include "urldata.h"
+#include <curl/curl.h>
+#include "progress.h"
+#include "sendf.h"
+#include "escape.h"
+#include "file.h"
+#include "speedcheck.h"
+#include "getinfo.h"
+#include "transfer.h"
+#include "url.h"
+#include "parsedate.h" /* for the week day and month names */
+#include "warnless.h"
+#include "curl_range.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#if defined(WIN32) || defined(MSDOS) || defined(__EMX__) || \
+  defined(__SYMBIAN32__)
+#define DOS_FILESYSTEM 1
+#endif
+
+#ifdef OPEN_NEEDS_ARG3
+#  define open_readonly(p,f) open((p),(f),(0))
+#else
+#  define open_readonly(p,f) open((p),(f))
+#endif
+
+/*
+ * Forward declarations.
+ */
+
+static CURLcode file_do(struct connectdata *, bool *done);
+static CURLcode file_done(struct connectdata *conn,
+                          CURLcode status, bool premature);
+static CURLcode file_connect(struct connectdata *conn, bool *done);
+static CURLcode file_disconnect(struct connectdata *conn,
+                                bool dead_connection);
+static CURLcode file_setup_connection(struct connectdata *conn);
+
+/*
+ * FILE scheme handler.
+ */
+
+const struct Curl_handler Curl_handler_file = {
+  "FILE",                               /* scheme */
+  file_setup_connection,                /* setup_connection */
+  file_do,                              /* do_it */
+  file_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  file_connect,                         /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  file_disconnect,                      /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  0,                                    /* defport */
+  CURLPROTO_FILE,                       /* protocol */
+  PROTOPT_NONETWORK | PROTOPT_NOURLQUERY /* flags */
+};
+
+
+static CURLcode file_setup_connection(struct connectdata *conn)
+{
+  /* allocate the FILE specific struct */
+  conn->data->req.protop = calloc(1, sizeof(struct FILEPROTO));
+  if(!conn->data->req.protop)
+    return CURLE_OUT_OF_MEMORY;
+
+  return CURLE_OK;
+}
+
+/*
+ * file_connect() gets called from Curl_protocol_connect() to allow us to
+ * do protocol-specific actions at connect-time.  We emulate a
+ * connect-then-transfer protocol and "connect" to the file here
+ */
+static CURLcode file_connect(struct connectdata *conn, bool *done)
+{
+  struct Curl_easy *data = conn->data;
+  char *real_path;
+  struct FILEPROTO *file = data->req.protop;
+  int fd;
+#ifdef DOS_FILESYSTEM
+  size_t i;
+  char *actual_path;
+#endif
+  size_t real_path_len;
+
+  CURLcode result = Curl_urldecode(data, data->state.up.path, 0, &real_path,
+                                   &real_path_len, FALSE);
+  if(result)
+    return result;
+
+#ifdef DOS_FILESYSTEM
+  /* If the first character is a slash, and there's
+     something that looks like a drive at the beginning of
+     the path, skip the slash.  If we remove the initial
+     slash in all cases, paths without drive letters end up
+     relative to the current directory which isn't how
+     browsers work.
+
+     Some browsers accept | instead of : as the drive letter
+     separator, so we do too.
+
+     On other platforms, we need the slash to indicate an
+     absolute pathname.  On Windows, absolute paths start
+     with a drive letter.
+  */
+  actual_path = real_path;
+  if((actual_path[0] == '/') &&
+      actual_path[1] &&
+     (actual_path[2] == ':' || actual_path[2] == '|')) {
+    actual_path[2] = ':';
+    actual_path++;
+    real_path_len--;
+  }
+
+  /* change path separators from '/' to '\\' for DOS, Windows and OS/2 */
+  for(i = 0; i < real_path_len; ++i)
+    if(actual_path[i] == '/')
+      actual_path[i] = '\\';
+    else if(!actual_path[i]) { /* binary zero */
+      Curl_safefree(real_path);
+      return CURLE_URL_MALFORMAT;
+    }
+
+  fd = open_readonly(actual_path, O_RDONLY|O_BINARY);
+  file->path = actual_path;
+#else
+  if(memchr(real_path, 0, real_path_len)) {
+    /* binary zeroes indicate foul play */
+    Curl_safefree(real_path);
+    return CURLE_URL_MALFORMAT;
+  }
+
+  fd = open_readonly(real_path, O_RDONLY);
+  file->path = real_path;
+#endif
+  file->freepath = real_path; /* free this when done */
+
+  file->fd = fd;
+  if(!data->set.upload && (fd == -1)) {
+    failf(data, "Couldn't open file %s", data->state.up.path);
+    file_done(conn, CURLE_FILE_COULDNT_READ_FILE, FALSE);
+    return CURLE_FILE_COULDNT_READ_FILE;
+  }
+  *done = TRUE;
+
+  return CURLE_OK;
+}
+
+static CURLcode file_done(struct connectdata *conn,
+                               CURLcode status, bool premature)
+{
+  struct FILEPROTO *file = conn->data->req.protop;
+  (void)status; /* not used */
+  (void)premature; /* not used */
+
+  if(file) {
+    Curl_safefree(file->freepath);
+    file->path = NULL;
+    if(file->fd != -1)
+      close(file->fd);
+    file->fd = -1;
+  }
+
+  return CURLE_OK;
+}
+
+static CURLcode file_disconnect(struct connectdata *conn,
+                                bool dead_connection)
+{
+  struct FILEPROTO *file = conn->data->req.protop;
+  (void)dead_connection; /* not used */
+
+  if(file) {
+    Curl_safefree(file->freepath);
+    file->path = NULL;
+    if(file->fd != -1)
+      close(file->fd);
+    file->fd = -1;
+  }
+
+  return CURLE_OK;
+}
+
+#ifdef DOS_FILESYSTEM
+#define DIRSEP '\\'
+#else
+#define DIRSEP '/'
+#endif
+
+static CURLcode file_upload(struct connectdata *conn)
+{
+  struct FILEPROTO *file = conn->data->req.protop;
+  const char *dir = strchr(file->path, DIRSEP);
+  int fd;
+  int mode;
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  char *buf = data->state.buffer;
+  curl_off_t bytecount = 0;
+  struct_stat file_stat;
+  const char *buf2;
+
+  /*
+   * Since FILE: doesn't do the full init, we need to provide some extra
+   * assignments here.
+   */
+  conn->data->req.upload_fromhere = buf;
+
+  if(!dir)
+    return CURLE_FILE_COULDNT_READ_FILE; /* fix: better error code */
+
+  if(!dir[1])
+    return CURLE_FILE_COULDNT_READ_FILE; /* fix: better error code */
+
+#ifdef O_BINARY
+#define MODE_DEFAULT O_WRONLY|O_CREAT|O_BINARY
+#else
+#define MODE_DEFAULT O_WRONLY|O_CREAT
+#endif
+
+  if(data->state.resume_from)
+    mode = MODE_DEFAULT|O_APPEND;
+  else
+    mode = MODE_DEFAULT|O_TRUNC;
+
+  fd = open(file->path, mode, conn->data->set.new_file_perms);
+  if(fd < 0) {
+    failf(data, "Can't open %s for writing", file->path);
+    return CURLE_WRITE_ERROR;
+  }
+
+  if(-1 != data->state.infilesize)
+    /* known size of data to "upload" */
+    Curl_pgrsSetUploadSize(data, data->state.infilesize);
+
+  /* treat the negative resume offset value as the case of "-" */
+  if(data->state.resume_from < 0) {
+    if(fstat(fd, &file_stat)) {
+      close(fd);
+      failf(data, "Can't get the size of %s", file->path);
+      return CURLE_WRITE_ERROR;
+    }
+    data->state.resume_from = (curl_off_t)file_stat.st_size;
+  }
+
+  while(!result) {
+    size_t nread;
+    size_t nwrite;
+    size_t readcount;
+    result = Curl_fillreadbuffer(conn, data->set.buffer_size, &readcount);
+    if(result)
+      break;
+
+    if(readcount <= 0)  /* fix questionable compare error. curlvms */
+      break;
+
+    nread = readcount;
+
+    /*skip bytes before resume point*/
+    if(data->state.resume_from) {
+      if((curl_off_t)nread <= data->state.resume_from) {
+        data->state.resume_from -= nread;
+        nread = 0;
+        buf2 = buf;
+      }
+      else {
+        buf2 = buf + data->state.resume_from;
+        nread -= (size_t)data->state.resume_from;
+        data->state.resume_from = 0;
+      }
+    }
+    else
+      buf2 = buf;
+
+    /* write the data to the target */
+    nwrite = write(fd, buf2, nread);
+    if(nwrite != nread) {
+      result = CURLE_SEND_ERROR;
+      break;
+    }
+
+    bytecount += nread;
+
+    Curl_pgrsSetUploadCounter(data, bytecount);
+
+    if(Curl_pgrsUpdate(conn))
+      result = CURLE_ABORTED_BY_CALLBACK;
+    else
+      result = Curl_speedcheck(data, Curl_now());
+  }
+  if(!result && Curl_pgrsUpdate(conn))
+    result = CURLE_ABORTED_BY_CALLBACK;
+
+  close(fd);
+
+  return result;
+}
+
+/*
+ * file_do() is the protocol-specific function for the do-phase, separated
+ * from the connect-phase above. Other protocols merely setup the transfer in
+ * the do-phase, to have it done in the main transfer loop but since some
+ * platforms we support don't allow select()ing etc on file handles (as
+ * opposed to sockets) we instead perform the whole do-operation in this
+ * function.
+ */
+static CURLcode file_do(struct connectdata *conn, bool *done)
+{
+  /* This implementation ignores the host name in conformance with
+     RFC 1738. Only local files (reachable via the standard file system)
+     are supported. This means that files on remotely mounted directories
+     (via NFS, Samba, NT sharing) can be accessed through a file:// URL
+  */
+  CURLcode result = CURLE_OK;
+  struct_stat statbuf; /* struct_stat instead of struct stat just to allow the
+                          Windows version to have a different struct without
+                          having to redefine the simple word 'stat' */
+  curl_off_t expected_size = 0;
+  bool size_known;
+  bool fstated = FALSE;
+  struct Curl_easy *data = conn->data;
+  char *buf = data->state.buffer;
+  curl_off_t bytecount = 0;
+  int fd;
+  struct FILEPROTO *file;
+
+  *done = TRUE; /* unconditionally */
+
+  Curl_pgrsStartNow(data);
+
+  if(data->set.upload)
+    return file_upload(conn);
+
+  file = conn->data->req.protop;
+
+  /* get the fd from the connection phase */
+  fd = file->fd;
+
+  /* VMS: This only works reliable for STREAMLF files */
+  if(-1 != fstat(fd, &statbuf)) {
+    /* we could stat it, then read out the size */
+    expected_size = statbuf.st_size;
+    /* and store the modification time */
+    data->info.filetime = statbuf.st_mtime;
+    fstated = TRUE;
+  }
+
+  if(fstated && !data->state.range && data->set.timecondition) {
+    if(!Curl_meets_timecondition(data, data->info.filetime)) {
+      *done = TRUE;
+      return CURLE_OK;
+    }
+  }
+
+  if(fstated) {
+    time_t filetime;
+    struct tm buffer;
+    const struct tm *tm = &buffer;
+    char header[80];
+    msnprintf(header, sizeof(header),
+              "Content-Length: %" CURL_FORMAT_CURL_OFF_T "\r\n",
+              expected_size);
+    result = Curl_client_write(conn, CLIENTWRITE_HEADER, header, 0);
+    if(result)
+      return result;
+
+    result = Curl_client_write(conn, CLIENTWRITE_HEADER,
+                               (char *)"Accept-ranges: bytes\r\n", 0);
+    if(result)
+      return result;
+
+    filetime = (time_t)statbuf.st_mtime;
+    result = Curl_gmtime(filetime, &buffer);
+    if(result)
+      return result;
+
+    /* format: "Tue, 15 Nov 1994 12:45:26 GMT" */
+    msnprintf(header, sizeof(header),
+              "Last-Modified: %s, %02d %s %4d %02d:%02d:%02d GMT\r\n%s",
+              Curl_wkday[tm->tm_wday?tm->tm_wday-1:6],
+              tm->tm_mday,
+              Curl_month[tm->tm_mon],
+              tm->tm_year + 1900,
+              tm->tm_hour,
+              tm->tm_min,
+              tm->tm_sec,
+              data->set.opt_no_body ? "": "\r\n");
+    result = Curl_client_write(conn, CLIENTWRITE_HEADER, header, 0);
+    if(result)
+      return result;
+    /* set the file size to make it available post transfer */
+    Curl_pgrsSetDownloadSize(data, expected_size);
+    if(data->set.opt_no_body)
+      return result;
+  }
+
+  /* Check whether file range has been specified */
+  result = Curl_range(conn);
+  if(result)
+    return result;
+
+  /* Adjust the start offset in case we want to get the N last bytes
+   * of the stream if the filesize could be determined */
+  if(data->state.resume_from < 0) {
+    if(!fstated) {
+      failf(data, "Can't get the size of file.");
+      return CURLE_READ_ERROR;
+    }
+    data->state.resume_from += (curl_off_t)statbuf.st_size;
+  }
+
+  if(data->state.resume_from <= expected_size)
+    expected_size -= data->state.resume_from;
+  else {
+    failf(data, "failed to resume file:// transfer");
+    return CURLE_BAD_DOWNLOAD_RESUME;
+  }
+
+  /* A high water mark has been specified so we obey... */
+  if(data->req.maxdownload > 0)
+    expected_size = data->req.maxdownload;
+
+  if(!fstated || (expected_size == 0))
+    size_known = FALSE;
+  else
+    size_known = TRUE;
+
+  /* The following is a shortcut implementation of file reading
+     this is both more efficient than the former call to download() and
+     it avoids problems with select() and recv() on file descriptors
+     in Winsock */
+  if(fstated)
+    Curl_pgrsSetDownloadSize(data, expected_size);
+
+  if(data->state.resume_from) {
+    if(data->state.resume_from !=
+       lseek(fd, data->state.resume_from, SEEK_SET))
+      return CURLE_BAD_DOWNLOAD_RESUME;
+  }
+
+  Curl_pgrsTime(data, TIMER_STARTTRANSFER);
+
+  while(!result) {
+    ssize_t nread;
+    /* Don't fill a whole buffer if we want less than all data */
+    size_t bytestoread;
+
+    if(size_known) {
+      bytestoread = (expected_size < data->set.buffer_size) ?
+        curlx_sotouz(expected_size) : (size_t)data->set.buffer_size;
+    }
+    else
+      bytestoread = data->set.buffer_size-1;
+
+    nread = read(fd, buf, bytestoread);
+
+    if(nread > 0)
+      buf[nread] = 0;
+
+    if(nread <= 0 || (size_known && (expected_size == 0)))
+      break;
+
+    bytecount += nread;
+    if(size_known)
+      expected_size -= nread;
+
+    result = Curl_client_write(conn, CLIENTWRITE_BODY, buf, nread);
+    if(result)
+      return result;
+
+    Curl_pgrsSetDownloadCounter(data, bytecount);
+
+    if(Curl_pgrsUpdate(conn))
+      result = CURLE_ABORTED_BY_CALLBACK;
+    else
+      result = Curl_speedcheck(data, Curl_now());
+  }
+  if(Curl_pgrsUpdate(conn))
+    result = CURLE_ABORTED_BY_CALLBACK;
+
+  return result;
+}
+
+#endif
Index: trunk/src/libs/curl-7.64.0/lib/file.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/file.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/file.h	(revision 85671)
@@ -0,0 +1,40 @@
+#ifndef HEADER_CURL_FILE_H
+#define HEADER_CURL_FILE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+
+/****************************************************************************
+ * FILE unique setup
+ ***************************************************************************/
+struct FILEPROTO {
+  char *path; /* the path we operate on */
+  char *freepath; /* pointer to the allocated block we must free, this might
+                     differ from the 'path' pointer */
+  int fd;     /* open file descriptor to read from! */
+};
+
+#ifndef CURL_DISABLE_FILE
+extern const struct Curl_handler Curl_handler_file;
+#endif
+
+#endif /* HEADER_CURL_FILE_H */
Index: trunk/src/libs/curl-7.64.0/lib/fileinfo.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/fileinfo.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/fileinfo.c	(revision 85671)
@@ -0,0 +1,43 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2010 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include "strdup.h"
+#include "fileinfo.h"
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+struct fileinfo *Curl_fileinfo_alloc(void)
+{
+  return calloc(1, sizeof(struct fileinfo));
+}
+
+void Curl_fileinfo_cleanup(struct fileinfo *finfo)
+{
+  if(!finfo)
+    return;
+
+  Curl_safefree(finfo->info.b_data);
+  free(finfo);
+}
Index: trunk/src/libs/curl-7.64.0/lib/fileinfo.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/fileinfo.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/fileinfo.h	(revision 85671)
@@ -0,0 +1,36 @@
+#ifndef HEADER_CURL_FILEINFO_H
+#define HEADER_CURL_FILEINFO_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2010 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include <curl/curl.h>
+#include "llist.h"
+
+struct fileinfo {
+  struct curl_fileinfo info;
+  struct curl_llist_element list;
+};
+
+struct fileinfo *Curl_fileinfo_alloc(void);
+void Curl_fileinfo_cleanup(struct fileinfo *finfo);
+
+#endif /* HEADER_CURL_FILEINFO_H */
Index: trunk/src/libs/curl-7.64.0/lib/firefox-db2pem.sh
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/firefox-db2pem.sh	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/firefox-db2pem.sh	(revision 85671)
@@ -0,0 +1,53 @@
+#!/bin/sh
+# ***************************************************************************
+# *                                  _   _ ____  _
+# *  Project                     ___| | | |  _ \| |
+# *                             / __| | | | |_) | |
+# *                            | (__| |_| |  _ <| |___
+# *                             \___|\___/|_| \_\_____|
+# *
+# * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+# *
+# * This software is licensed as described in the file COPYING, which
+# * you should have received as part of this distribution. The terms
+# * are also available at https://curl.haxx.se/docs/copyright.html.
+# *
+# * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# * copies of the Software, and permit persons to whom the Software is
+# * furnished to do so, under the terms of the COPYING file.
+# *
+# * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# * KIND, either express or implied.
+# *
+# ***************************************************************************
+# This shell script creates a fresh ca-bundle.crt file for use with libcurl.
+# It extracts all ca certs it finds in the local Firefox database and converts
+# them all into PEM format.
+#
+db=`ls -1d $HOME/.mozilla/firefox/*default*`
+out=$1
+
+if test -z "$out"; then
+  out="ca-bundle.crt" # use a sensible default
+fi
+
+currentdate=`date`
+
+cat >$out <<EOF
+##
+## Bundle of CA Root Certificates
+##
+## Converted at: ${currentdate}
+## These were converted from the local Firefox directory by the db2pem script.
+##
+EOF
+
+
+certutil -L -h 'Builtin Object Token' -d $db | \
+grep ' *[CcGTPpu]*,[CcGTPpu]*,[CcGTPpu]* *$' | \
+sed -e 's/ *[CcGTPpu]*,[CcGTPpu]*,[CcGTPpu]* *$//' -e 's/\(.*\)/"\1"/' | \
+sort | \
+while read nickname; \
+ do echo $nickname | sed -e "s/Builtin Object Token://g"; \
+eval certutil -d $db -L -n "$nickname" -a ; \
+done >> $out
Index: trunk/src/libs/curl-7.64.0/lib/formdata.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/formdata.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/formdata.c	(revision 85671)
@@ -0,0 +1,950 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#ifndef CURL_DISABLE_HTTP
+
+#if defined(HAVE_LIBGEN_H) && defined(HAVE_BASENAME)
+#include <libgen.h>
+#endif
+
+#include "urldata.h" /* for struct Curl_easy */
+#include "formdata.h"
+#include "mime.h"
+#include "non-ascii.h"
+#include "vtls/vtls.h"
+#include "strcase.h"
+#include "sendf.h"
+#include "strdup.h"
+#include "rand.h"
+#include "warnless.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+
+#define HTTPPOST_PTRNAME CURL_HTTPPOST_PTRNAME
+#define HTTPPOST_FILENAME CURL_HTTPPOST_FILENAME
+#define HTTPPOST_PTRCONTENTS CURL_HTTPPOST_PTRCONTENTS
+#define HTTPPOST_READFILE CURL_HTTPPOST_READFILE
+#define HTTPPOST_PTRBUFFER CURL_HTTPPOST_PTRBUFFER
+#define HTTPPOST_CALLBACK CURL_HTTPPOST_CALLBACK
+#define HTTPPOST_BUFFER CURL_HTTPPOST_BUFFER
+
+/***************************************************************************
+ *
+ * AddHttpPost()
+ *
+ * Adds a HttpPost structure to the list, if parent_post is given becomes
+ * a subpost of parent_post instead of a direct list element.
+ *
+ * Returns newly allocated HttpPost on success and NULL if malloc failed.
+ *
+ ***************************************************************************/
+static struct curl_httppost *
+AddHttpPost(char *name, size_t namelength,
+            char *value, curl_off_t contentslength,
+            char *buffer, size_t bufferlength,
+            char *contenttype,
+            long flags,
+            struct curl_slist *contentHeader,
+            char *showfilename, char *userp,
+            struct curl_httppost *parent_post,
+            struct curl_httppost **httppost,
+            struct curl_httppost **last_post)
+{
+  struct curl_httppost *post;
+  post = calloc(1, sizeof(struct curl_httppost));
+  if(post) {
+    post->name = name;
+    post->namelength = (long)(name?(namelength?namelength:strlen(name)):0);
+    post->contents = value;
+    post->contentlen = contentslength;
+    post->buffer = buffer;
+    post->bufferlength = (long)bufferlength;
+    post->contenttype = contenttype;
+    post->contentheader = contentHeader;
+    post->showfilename = showfilename;
+    post->userp = userp;
+    post->flags = flags | CURL_HTTPPOST_LARGE;
+  }
+  else
+    return NULL;
+
+  if(parent_post) {
+    /* now, point our 'more' to the original 'more' */
+    post->more = parent_post->more;
+
+    /* then move the original 'more' to point to ourselves */
+    parent_post->more = post;
+  }
+  else {
+    /* make the previous point to this */
+    if(*last_post)
+      (*last_post)->next = post;
+    else
+      (*httppost) = post;
+
+    (*last_post) = post;
+  }
+  return post;
+}
+
+/***************************************************************************
+ *
+ * AddFormInfo()
+ *
+ * Adds a FormInfo structure to the list presented by parent_form_info.
+ *
+ * Returns newly allocated FormInfo on success and NULL if malloc failed/
+ * parent_form_info is NULL.
+ *
+ ***************************************************************************/
+static FormInfo * AddFormInfo(char *value,
+                              char *contenttype,
+                              FormInfo *parent_form_info)
+{
+  FormInfo *form_info;
+  form_info = calloc(1, sizeof(struct FormInfo));
+  if(form_info) {
+    if(value)
+      form_info->value = value;
+    if(contenttype)
+      form_info->contenttype = contenttype;
+    form_info->flags = HTTPPOST_FILENAME;
+  }
+  else
+    return NULL;
+
+  if(parent_form_info) {
+    /* now, point our 'more' to the original 'more' */
+    form_info->more = parent_form_info->more;
+
+    /* then move the original 'more' to point to ourselves */
+    parent_form_info->more = form_info;
+  }
+
+  return form_info;
+}
+
+/***************************************************************************
+ *
+ * FormAdd()
+ *
+ * Stores a formpost parameter and builds the appropriate linked list.
+ *
+ * Has two principal functionalities: using files and byte arrays as
+ * post parts. Byte arrays are either copied or just the pointer is stored
+ * (as the user requests) while for files only the filename and not the
+ * content is stored.
+ *
+ * While you may have only one byte array for each name, multiple filenames
+ * are allowed (and because of this feature CURLFORM_END is needed after
+ * using CURLFORM_FILE).
+ *
+ * Examples:
+ *
+ * Simple name/value pair with copied contents:
+ * curl_formadd (&post, &last, CURLFORM_COPYNAME, "name",
+ * CURLFORM_COPYCONTENTS, "value", CURLFORM_END);
+ *
+ * name/value pair where only the content pointer is remembered:
+ * curl_formadd (&post, &last, CURLFORM_COPYNAME, "name",
+ * CURLFORM_PTRCONTENTS, ptr, CURLFORM_CONTENTSLENGTH, 10, CURLFORM_END);
+ * (if CURLFORM_CONTENTSLENGTH is missing strlen () is used)
+ *
+ * storing a filename (CONTENTTYPE is optional!):
+ * curl_formadd (&post, &last, CURLFORM_COPYNAME, "name",
+ * CURLFORM_FILE, "filename1", CURLFORM_CONTENTTYPE, "plain/text",
+ * CURLFORM_END);
+ *
+ * storing multiple filenames:
+ * curl_formadd (&post, &last, CURLFORM_COPYNAME, "name",
+ * CURLFORM_FILE, "filename1", CURLFORM_FILE, "filename2", CURLFORM_END);
+ *
+ * Returns:
+ * CURL_FORMADD_OK             on success
+ * CURL_FORMADD_MEMORY         if the FormInfo allocation fails
+ * CURL_FORMADD_OPTION_TWICE   if one option is given twice for one Form
+ * CURL_FORMADD_NULL           if a null pointer was given for a char
+ * CURL_FORMADD_MEMORY         if the allocation of a FormInfo struct failed
+ * CURL_FORMADD_UNKNOWN_OPTION if an unknown option was used
+ * CURL_FORMADD_INCOMPLETE     if the some FormInfo is not complete (or error)
+ * CURL_FORMADD_MEMORY         if a HttpPost struct cannot be allocated
+ * CURL_FORMADD_MEMORY         if some allocation for string copying failed.
+ * CURL_FORMADD_ILLEGAL_ARRAY  if an illegal option is used in an array
+ *
+ ***************************************************************************/
+
+static
+CURLFORMcode FormAdd(struct curl_httppost **httppost,
+                     struct curl_httppost **last_post,
+                     va_list params)
+{
+  FormInfo *first_form, *current_form, *form = NULL;
+  CURLFORMcode return_value = CURL_FORMADD_OK;
+  const char *prevtype = NULL;
+  struct curl_httppost *post = NULL;
+  CURLformoption option;
+  struct curl_forms *forms = NULL;
+  char *array_value = NULL; /* value read from an array */
+
+  /* This is a state variable, that if TRUE means that we're parsing an
+     array that we got passed to us. If FALSE we're parsing the input
+     va_list arguments. */
+  bool array_state = FALSE;
+
+  /*
+   * We need to allocate the first struct to fill in.
+   */
+  first_form = calloc(1, sizeof(struct FormInfo));
+  if(!first_form)
+    return CURL_FORMADD_MEMORY;
+
+  current_form = first_form;
+
+  /*
+   * Loop through all the options set. Break if we have an error to report.
+   */
+  while(return_value == CURL_FORMADD_OK) {
+
+    /* first see if we have more parts of the array param */
+    if(array_state && forms) {
+      /* get the upcoming option from the given array */
+      option = forms->option;
+      array_value = (char *)forms->value;
+
+      forms++; /* advance this to next entry */
+      if(CURLFORM_END == option) {
+        /* end of array state */
+        array_state = FALSE;
+        continue;
+      }
+    }
+    else {
+      /* This is not array-state, get next option */
+      option = va_arg(params, CURLformoption);
+      if(CURLFORM_END == option)
+        break;
+    }
+
+    switch(option) {
+    case CURLFORM_ARRAY:
+      if(array_state)
+        /* we don't support an array from within an array */
+        return_value = CURL_FORMADD_ILLEGAL_ARRAY;
+      else {
+        forms = va_arg(params, struct curl_forms *);
+        if(forms)
+          array_state = TRUE;
+        else
+          return_value = CURL_FORMADD_NULL;
+      }
+      break;
+
+      /*
+       * Set the Name property.
+       */
+    case CURLFORM_PTRNAME:
+#ifdef CURL_DOES_CONVERSIONS
+      /* Treat CURLFORM_PTR like CURLFORM_COPYNAME so that libcurl will copy
+       * the data in all cases so that we'll have safe memory for the eventual
+       * conversion.
+       */
+#else
+      current_form->flags |= HTTPPOST_PTRNAME; /* fall through */
+#endif
+      /* FALLTHROUGH */
+    case CURLFORM_COPYNAME:
+      if(current_form->name)
+        return_value = CURL_FORMADD_OPTION_TWICE;
+      else {
+        char *name = array_state?
+          array_value:va_arg(params, char *);
+        if(name)
+          current_form->name = name; /* store for the moment */
+        else
+          return_value = CURL_FORMADD_NULL;
+      }
+      break;
+    case CURLFORM_NAMELENGTH:
+      if(current_form->namelength)
+        return_value = CURL_FORMADD_OPTION_TWICE;
+      else
+        current_form->namelength =
+          array_state?(size_t)array_value:(size_t)va_arg(params, long);
+      break;
+
+      /*
+       * Set the contents property.
+       */
+    case CURLFORM_PTRCONTENTS:
+      current_form->flags |= HTTPPOST_PTRCONTENTS;
+      /* FALLTHROUGH */
+    case CURLFORM_COPYCONTENTS:
+      if(current_form->value)
+        return_value = CURL_FORMADD_OPTION_TWICE;
+      else {
+        char *value =
+          array_state?array_value:va_arg(params, char *);
+        if(value)
+          current_form->value = value; /* store for the moment */
+        else
+          return_value = CURL_FORMADD_NULL;
+      }
+      break;
+    case CURLFORM_CONTENTSLENGTH:
+      current_form->contentslength =
+        array_state?(size_t)array_value:(size_t)va_arg(params, long);
+      break;
+
+    case CURLFORM_CONTENTLEN:
+      current_form->flags |= CURL_HTTPPOST_LARGE;
+      current_form->contentslength =
+        array_state?(curl_off_t)(size_t)array_value:va_arg(params, curl_off_t);
+      break;
+
+      /* Get contents from a given file name */
+    case CURLFORM_FILECONTENT:
+      if(current_form->flags & (HTTPPOST_PTRCONTENTS|HTTPPOST_READFILE))
+        return_value = CURL_FORMADD_OPTION_TWICE;
+      else {
+        const char *filename = array_state?
+          array_value:va_arg(params, char *);
+        if(filename) {
+          current_form->value = strdup(filename);
+          if(!current_form->value)
+            return_value = CURL_FORMADD_MEMORY;
+          else {
+            current_form->flags |= HTTPPOST_READFILE;
+            current_form->value_alloc = TRUE;
+          }
+        }
+        else
+          return_value = CURL_FORMADD_NULL;
+      }
+      break;
+
+      /* We upload a file */
+    case CURLFORM_FILE:
+      {
+        const char *filename = array_state?array_value:
+          va_arg(params, char *);
+
+        if(current_form->value) {
+          if(current_form->flags & HTTPPOST_FILENAME) {
+            if(filename) {
+              char *fname = strdup(filename);
+              if(!fname)
+                return_value = CURL_FORMADD_MEMORY;
+              else {
+                form = AddFormInfo(fname, NULL, current_form);
+                if(!form) {
+                  free(fname);
+                  return_value = CURL_FORMADD_MEMORY;
+                }
+                else {
+                  form->value_alloc = TRUE;
+                  current_form = form;
+                  form = NULL;
+                }
+              }
+            }
+            else
+              return_value = CURL_FORMADD_NULL;
+          }
+          else
+            return_value = CURL_FORMADD_OPTION_TWICE;
+        }
+        else {
+          if(filename) {
+            current_form->value = strdup(filename);
+            if(!current_form->value)
+              return_value = CURL_FORMADD_MEMORY;
+            else {
+              current_form->flags |= HTTPPOST_FILENAME;
+              current_form->value_alloc = TRUE;
+            }
+          }
+          else
+            return_value = CURL_FORMADD_NULL;
+        }
+        break;
+      }
+
+    case CURLFORM_BUFFERPTR:
+      current_form->flags |= HTTPPOST_PTRBUFFER|HTTPPOST_BUFFER;
+      if(current_form->buffer)
+        return_value = CURL_FORMADD_OPTION_TWICE;
+      else {
+        char *buffer =
+          array_state?array_value:va_arg(params, char *);
+        if(buffer) {
+          current_form->buffer = buffer; /* store for the moment */
+          current_form->value = buffer; /* make it non-NULL to be accepted
+                                           as fine */
+        }
+        else
+          return_value = CURL_FORMADD_NULL;
+      }
+      break;
+
+    case CURLFORM_BUFFERLENGTH:
+      if(current_form->bufferlength)
+        return_value = CURL_FORMADD_OPTION_TWICE;
+      else
+        current_form->bufferlength =
+          array_state?(size_t)array_value:(size_t)va_arg(params, long);
+      break;
+
+    case CURLFORM_STREAM:
+      current_form->flags |= HTTPPOST_CALLBACK;
+      if(current_form->userp)
+        return_value = CURL_FORMADD_OPTION_TWICE;
+      else {
+        char *userp =
+          array_state?array_value:va_arg(params, char *);
+        if(userp) {
+          current_form->userp = userp;
+          current_form->value = userp; /* this isn't strictly true but we
+                                          derive a value from this later on
+                                          and we need this non-NULL to be
+                                          accepted as a fine form part */
+        }
+        else
+          return_value = CURL_FORMADD_NULL;
+      }
+      break;
+
+    case CURLFORM_CONTENTTYPE:
+      {
+        const char *contenttype =
+          array_state?array_value:va_arg(params, char *);
+        if(current_form->contenttype) {
+          if(current_form->flags & HTTPPOST_FILENAME) {
+            if(contenttype) {
+              char *type = strdup(contenttype);
+              if(!type)
+                return_value = CURL_FORMADD_MEMORY;
+              else {
+                form = AddFormInfo(NULL, type, current_form);
+                if(!form) {
+                  free(type);
+                  return_value = CURL_FORMADD_MEMORY;
+                }
+                else {
+                  form->contenttype_alloc = TRUE;
+                  current_form = form;
+                  form = NULL;
+                }
+              }
+            }
+            else
+              return_value = CURL_FORMADD_NULL;
+          }
+          else
+            return_value = CURL_FORMADD_OPTION_TWICE;
+        }
+        else {
+          if(contenttype) {
+            current_form->contenttype = strdup(contenttype);
+            if(!current_form->contenttype)
+              return_value = CURL_FORMADD_MEMORY;
+            else
+              current_form->contenttype_alloc = TRUE;
+          }
+          else
+            return_value = CURL_FORMADD_NULL;
+        }
+        break;
+      }
+    case CURLFORM_CONTENTHEADER:
+      {
+        /* this "cast increases required alignment of target type" but
+           we consider it OK anyway */
+        struct curl_slist *list = array_state?
+          (struct curl_slist *)(void *)array_value:
+          va_arg(params, struct curl_slist *);
+
+        if(current_form->contentheader)
+          return_value = CURL_FORMADD_OPTION_TWICE;
+        else
+          current_form->contentheader = list;
+
+        break;
+      }
+    case CURLFORM_FILENAME:
+    case CURLFORM_BUFFER:
+      {
+        const char *filename = array_state?array_value:
+          va_arg(params, char *);
+        if(current_form->showfilename)
+          return_value = CURL_FORMADD_OPTION_TWICE;
+        else {
+          current_form->showfilename = strdup(filename);
+          if(!current_form->showfilename)
+            return_value = CURL_FORMADD_MEMORY;
+          else
+            current_form->showfilename_alloc = TRUE;
+        }
+        break;
+      }
+    default:
+      return_value = CURL_FORMADD_UNKNOWN_OPTION;
+      break;
+    }
+  }
+
+  if(CURL_FORMADD_OK != return_value) {
+    /* On error, free allocated fields for all nodes of the FormInfo linked
+       list without deallocating nodes. List nodes are deallocated later on */
+    FormInfo *ptr;
+    for(ptr = first_form; ptr != NULL; ptr = ptr->more) {
+      if(ptr->name_alloc) {
+        Curl_safefree(ptr->name);
+        ptr->name_alloc = FALSE;
+      }
+      if(ptr->value_alloc) {
+        Curl_safefree(ptr->value);
+        ptr->value_alloc = FALSE;
+      }
+      if(ptr->contenttype_alloc) {
+        Curl_safefree(ptr->contenttype);
+        ptr->contenttype_alloc = FALSE;
+      }
+      if(ptr->showfilename_alloc) {
+        Curl_safefree(ptr->showfilename);
+        ptr->showfilename_alloc = FALSE;
+      }
+    }
+  }
+
+  if(CURL_FORMADD_OK == return_value) {
+    /* go through the list, check for completeness and if everything is
+     * alright add the HttpPost item otherwise set return_value accordingly */
+
+    post = NULL;
+    for(form = first_form;
+        form != NULL;
+        form = form->more) {
+      if(((!form->name || !form->value) && !post) ||
+         ( (form->contentslength) &&
+           (form->flags & HTTPPOST_FILENAME) ) ||
+         ( (form->flags & HTTPPOST_FILENAME) &&
+           (form->flags & HTTPPOST_PTRCONTENTS) ) ||
+
+         ( (!form->buffer) &&
+           (form->flags & HTTPPOST_BUFFER) &&
+           (form->flags & HTTPPOST_PTRBUFFER) ) ||
+
+         ( (form->flags & HTTPPOST_READFILE) &&
+           (form->flags & HTTPPOST_PTRCONTENTS) )
+        ) {
+        return_value = CURL_FORMADD_INCOMPLETE;
+        break;
+      }
+      if(((form->flags & HTTPPOST_FILENAME) ||
+          (form->flags & HTTPPOST_BUFFER)) &&
+         !form->contenttype) {
+        char *f = form->flags & HTTPPOST_BUFFER?
+          form->showfilename : form->value;
+        char const *type;
+        type = Curl_mime_contenttype(f);
+        if(!type)
+          type = prevtype;
+        if(!type)
+          type = FILE_CONTENTTYPE_DEFAULT;
+
+        /* our contenttype is missing */
+        form->contenttype = strdup(type);
+        if(!form->contenttype) {
+          return_value = CURL_FORMADD_MEMORY;
+          break;
+        }
+        form->contenttype_alloc = TRUE;
+      }
+      if(form->name && form->namelength) {
+        /* Name should not contain nul bytes. */
+        size_t i;
+        for(i = 0; i < form->namelength; i++)
+          if(!form->name[i]) {
+            return_value = CURL_FORMADD_NULL;
+            break;
+          }
+        if(return_value != CURL_FORMADD_OK)
+          break;
+      }
+      if(!(form->flags & HTTPPOST_PTRNAME) &&
+         (form == first_form) ) {
+        /* Note that there's small risk that form->name is NULL here if the
+           app passed in a bad combo, so we better check for that first. */
+        if(form->name) {
+          /* copy name (without strdup; possibly not nul-terminated) */
+          form->name = Curl_memdup(form->name, form->namelength?
+                                   form->namelength:
+                                   strlen(form->name) + 1);
+        }
+        if(!form->name) {
+          return_value = CURL_FORMADD_MEMORY;
+          break;
+        }
+        form->name_alloc = TRUE;
+      }
+      if(!(form->flags & (HTTPPOST_FILENAME | HTTPPOST_READFILE |
+                          HTTPPOST_PTRCONTENTS | HTTPPOST_PTRBUFFER |
+                          HTTPPOST_CALLBACK)) && form->value) {
+        /* copy value (without strdup; possibly contains null characters) */
+        size_t clen  = (size_t) form->contentslength;
+        if(!clen)
+          clen = strlen(form->value) + 1;
+
+        form->value = Curl_memdup(form->value, clen);
+
+        if(!form->value) {
+          return_value = CURL_FORMADD_MEMORY;
+          break;
+        }
+        form->value_alloc = TRUE;
+      }
+      post = AddHttpPost(form->name, form->namelength,
+                         form->value, form->contentslength,
+                         form->buffer, form->bufferlength,
+                         form->contenttype, form->flags,
+                         form->contentheader, form->showfilename,
+                         form->userp,
+                         post, httppost,
+                         last_post);
+
+      if(!post) {
+        return_value = CURL_FORMADD_MEMORY;
+        break;
+      }
+
+      if(form->contenttype)
+        prevtype = form->contenttype;
+    }
+    if(CURL_FORMADD_OK != return_value) {
+      /* On error, free allocated fields for nodes of the FormInfo linked
+         list which are not already owned by the httppost linked list
+         without deallocating nodes. List nodes are deallocated later on */
+      FormInfo *ptr;
+      for(ptr = form; ptr != NULL; ptr = ptr->more) {
+        if(ptr->name_alloc) {
+          Curl_safefree(ptr->name);
+          ptr->name_alloc = FALSE;
+        }
+        if(ptr->value_alloc) {
+          Curl_safefree(ptr->value);
+          ptr->value_alloc = FALSE;
+        }
+        if(ptr->contenttype_alloc) {
+          Curl_safefree(ptr->contenttype);
+          ptr->contenttype_alloc = FALSE;
+        }
+        if(ptr->showfilename_alloc) {
+          Curl_safefree(ptr->showfilename);
+          ptr->showfilename_alloc = FALSE;
+        }
+      }
+    }
+  }
+
+  /* Always deallocate FormInfo linked list nodes without touching node
+     fields given that these have either been deallocated or are owned
+     now by the httppost linked list */
+  while(first_form) {
+    FormInfo *ptr = first_form->more;
+    free(first_form);
+    first_form = ptr;
+  }
+
+  return return_value;
+}
+
+/*
+ * curl_formadd() is a public API to add a section to the multipart formpost.
+ *
+ * @unittest: 1308
+ */
+
+CURLFORMcode curl_formadd(struct curl_httppost **httppost,
+                          struct curl_httppost **last_post,
+                          ...)
+{
+  va_list arg;
+  CURLFORMcode result;
+  va_start(arg, last_post);
+  result = FormAdd(httppost, last_post, arg);
+  va_end(arg);
+  return result;
+}
+
+/*
+ * curl_formget()
+ * Serialize a curl_httppost struct.
+ * Returns 0 on success.
+ *
+ * @unittest: 1308
+ */
+int curl_formget(struct curl_httppost *form, void *arg,
+                 curl_formget_callback append)
+{
+  CURLcode result;
+  curl_mimepart toppart;
+
+  Curl_mime_initpart(&toppart, NULL); /* default form is empty */
+  result = Curl_getformdata(NULL, &toppart, form, NULL);
+  if(!result)
+    result = Curl_mime_prepare_headers(&toppart, "multipart/form-data",
+                                       NULL, MIMESTRATEGY_FORM);
+
+  while(!result) {
+    char buffer[8192];
+    size_t nread = Curl_mime_read(buffer, 1, sizeof(buffer), &toppart);
+
+    if(!nread)
+      break;
+
+    switch(nread) {
+    default:
+      if(append(arg, buffer, nread) != nread)
+        result = CURLE_READ_ERROR;
+      break;
+    case CURL_READFUNC_ABORT:
+    case CURL_READFUNC_PAUSE:
+      break;
+    }
+  }
+
+  Curl_mime_cleanpart(&toppart);
+  return (int) result;
+}
+
+/*
+ * curl_formfree() is an external function to free up a whole form post
+ * chain
+ */
+void curl_formfree(struct curl_httppost *form)
+{
+  struct curl_httppost *next;
+
+  if(!form)
+    /* no form to free, just get out of this */
+    return;
+
+  do {
+    next = form->next;  /* the following form line */
+
+    /* recurse to sub-contents */
+    curl_formfree(form->more);
+
+    if(!(form->flags & HTTPPOST_PTRNAME))
+      free(form->name); /* free the name */
+    if(!(form->flags &
+         (HTTPPOST_PTRCONTENTS|HTTPPOST_BUFFER|HTTPPOST_CALLBACK))
+      )
+      free(form->contents); /* free the contents */
+    free(form->contenttype); /* free the content type */
+    free(form->showfilename); /* free the faked file name */
+    free(form);       /* free the struct */
+    form = next;
+  } while(form); /* continue */
+}
+
+
+/* Set mime part name, taking care of non nul-terminated name string. */
+static CURLcode setname(curl_mimepart *part, const char *name, size_t len)
+{
+  char *zname;
+  CURLcode res;
+
+  if(!name || !len)
+    return curl_mime_name(part, name);
+  zname = malloc(len + 1);
+  if(!zname)
+    return CURLE_OUT_OF_MEMORY;
+  memcpy(zname, name, len);
+  zname[len] = '\0';
+  res = curl_mime_name(part, zname);
+  free(zname);
+  return res;
+}
+
+/*
+ * Curl_getformdata() converts a linked list of "meta data" into a mime
+ * structure. The input list is in 'post', while the output is stored in
+ * mime part at '*finalform'.
+ *
+ * This function will not do a failf() for the potential memory failures but
+ * should for all other errors it spots. Just note that this function MAY get
+ * a NULL pointer in the 'data' argument.
+ */
+
+CURLcode Curl_getformdata(struct Curl_easy *data,
+                          curl_mimepart *finalform,
+                          struct curl_httppost *post,
+                          curl_read_callback fread_func)
+{
+  CURLcode result = CURLE_OK;
+  curl_mime *form = NULL;
+  curl_mimepart *part;
+  struct curl_httppost *file;
+
+  Curl_mime_cleanpart(finalform); /* default form is empty */
+
+  if(!post)
+    return result; /* no input => no output! */
+
+  form = curl_mime_init(data);
+  if(!form)
+    result = CURLE_OUT_OF_MEMORY;
+
+  if(!result)
+    result = curl_mime_subparts(finalform, form);
+
+  /* Process each top part. */
+  for(; !result && post; post = post->next) {
+    /* If we have more than a file here, create a mime subpart and fill it. */
+    curl_mime *multipart = form;
+    if(post->more) {
+      part = curl_mime_addpart(form);
+      if(!part)
+        result = CURLE_OUT_OF_MEMORY;
+      if(!result)
+        result = setname(part, post->name, post->namelength);
+      if(!result) {
+        multipart = curl_mime_init(data);
+        if(!multipart)
+          result = CURLE_OUT_OF_MEMORY;
+      }
+      if(!result)
+        result = curl_mime_subparts(part, multipart);
+    }
+
+    /* Generate all the part contents. */
+    for(file = post; !result && file; file = file->more) {
+      /* Create the part. */
+      part = curl_mime_addpart(multipart);
+      if(!part)
+        result = CURLE_OUT_OF_MEMORY;
+
+      /* Set the headers. */
+      if(!result)
+        result = curl_mime_headers(part, file->contentheader, 0);
+
+      /* Set the content type. */
+      if(!result && file->contenttype)
+        result = curl_mime_type(part, file->contenttype);
+
+      /* Set field name. */
+      if(!result && !post->more)
+        result = setname(part, post->name, post->namelength);
+
+      /* Process contents. */
+      if(!result) {
+        curl_off_t clen = post->contentslength;
+
+        if(post->flags & CURL_HTTPPOST_LARGE)
+          clen = post->contentlen;
+        if(!clen)
+          clen = -1;
+
+        if(post->flags & (HTTPPOST_FILENAME | HTTPPOST_READFILE)) {
+          if(!strcmp(file->contents, "-")) {
+            /* There are a few cases where the code below won't work; in
+               particular, freopen(stdin) by the caller is not guaranteed
+               to result as expected. This feature has been kept for backward
+               compatibility: use of "-" pseudo file name should be avoided. */
+            result = curl_mime_data_cb(part, (curl_off_t) -1,
+                                       (curl_read_callback) fread,
+                                       CURLX_FUNCTION_CAST(curl_seek_callback,
+                                                           fseek),
+                                       NULL, (void *) stdin);
+          }
+          else
+            result = curl_mime_filedata(part, file->contents);
+          if(!result && (post->flags & HTTPPOST_READFILE))
+            result = curl_mime_filename(part, NULL);
+        }
+        else if(post->flags & HTTPPOST_BUFFER)
+          result = curl_mime_data(part, post->buffer,
+                                  post->bufferlength? post->bufferlength: -1);
+        else if(post->flags & HTTPPOST_CALLBACK)
+          /* the contents should be read with the callback and the size is set
+             with the contentslength */
+          result = curl_mime_data_cb(part, clen,
+                                     fread_func, NULL, NULL, post->userp);
+        else {
+          result = curl_mime_data(part, post->contents, (ssize_t) clen);
+#ifdef CURL_DOES_CONVERSIONS
+          /* Convert textual contents now. */
+          if(!result && data && part->datasize)
+            result = Curl_convert_to_network(data, part->data, part->datasize);
+#endif
+        }
+      }
+
+      /* Set fake file name. */
+      if(!result && post->showfilename)
+        if(post->more || (post->flags & (HTTPPOST_FILENAME | HTTPPOST_BUFFER |
+                                        HTTPPOST_CALLBACK)))
+          result = curl_mime_filename(part, post->showfilename);
+    }
+  }
+
+  if(result)
+    Curl_mime_cleanpart(finalform);
+
+  return result;
+}
+
+#else  /* CURL_DISABLE_HTTP */
+CURLFORMcode curl_formadd(struct curl_httppost **httppost,
+                          struct curl_httppost **last_post,
+                          ...)
+{
+  (void)httppost;
+  (void)last_post;
+  return CURL_FORMADD_DISABLED;
+}
+
+int curl_formget(struct curl_httppost *form, void *arg,
+                 curl_formget_callback append)
+{
+  (void) form;
+  (void) arg;
+  (void) append;
+  return CURL_FORMADD_DISABLED;
+}
+
+void curl_formfree(struct curl_httppost *form)
+{
+  (void)form;
+  /* does nothing HTTP is disabled */
+}
+
+
+#endif  /* !defined(CURL_DISABLE_HTTP) */
Index: trunk/src/libs/curl-7.64.0/lib/formdata.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/formdata.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/formdata.h	(revision 85671)
@@ -0,0 +1,51 @@
+#ifndef HEADER_CURL_FORMDATA_H
+#define HEADER_CURL_FORMDATA_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* used by FormAdd for temporary storage */
+typedef struct FormInfo {
+  char *name;
+  bool name_alloc;
+  size_t namelength;
+  char *value;
+  bool value_alloc;
+  curl_off_t contentslength;
+  char *contenttype;
+  bool contenttype_alloc;
+  long flags;
+  char *buffer;      /* pointer to existing buffer used for file upload */
+  size_t bufferlength;
+  char *showfilename; /* The file name to show. If not set, the actual
+                         file name will be used */
+  bool showfilename_alloc;
+  char *userp;        /* pointer for the read callback */
+  struct curl_slist *contentheader;
+  struct FormInfo *more;
+} FormInfo;
+
+CURLcode Curl_getformdata(struct Curl_easy *data,
+                          curl_mimepart *,
+                          struct curl_httppost *post,
+                          curl_read_callback fread_func);
+
+#endif /* HEADER_CURL_FORMDATA_H */
Index: trunk/src/libs/curl-7.64.0/lib/ftp.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/ftp.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/ftp.c	(revision 85671)
@@ -0,0 +1,4451 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_FTP
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_UTSNAME_H
+#include <sys/utsname.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#if (defined(NETWARE) && defined(__NOVELL_LIBC__))
+#undef in_addr_t
+#define in_addr_t unsigned long
+#endif
+
+#include <curl/curl.h>
+#include "urldata.h"
+#include "sendf.h"
+#include "if2ip.h"
+#include "hostip.h"
+#include "progress.h"
+#include "transfer.h"
+#include "escape.h"
+#include "http.h" /* for HTTP proxy tunnel stuff */
+#include "socks.h"
+#include "ftp.h"
+#include "fileinfo.h"
+#include "ftplistparser.h"
+#include "curl_range.h"
+#include "curl_sec.h"
+#include "strtoofft.h"
+#include "strcase.h"
+#include "vtls/vtls.h"
+#include "connect.h"
+#include "strerror.h"
+#include "inet_ntop.h"
+#include "inet_pton.h"
+#include "select.h"
+#include "parsedate.h" /* for the week day and month names */
+#include "sockaddr.h" /* required for Curl_sockaddr_storage */
+#include "multiif.h"
+#include "url.h"
+#include "strcase.h"
+#include "speedcheck.h"
+#include "warnless.h"
+#include "http_proxy.h"
+#include "non-ascii.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#ifndef NI_MAXHOST
+#define NI_MAXHOST 1025
+#endif
+#ifndef INET_ADDRSTRLEN
+#define INET_ADDRSTRLEN 16
+#endif
+
+#ifdef CURL_DISABLE_VERBOSE_STRINGS
+#define ftp_pasv_verbose(a,b,c,d)  Curl_nop_stmt
+#endif
+
+/* Local API functions */
+#ifndef DEBUGBUILD
+static void _state(struct connectdata *conn,
+                   ftpstate newstate);
+#define state(x,y) _state(x,y)
+#else
+static void _state(struct connectdata *conn,
+                   ftpstate newstate,
+                   int lineno);
+#define state(x,y) _state(x,y,__LINE__)
+#endif
+
+static CURLcode ftp_sendquote(struct connectdata *conn,
+                              struct curl_slist *quote);
+static CURLcode ftp_quit(struct connectdata *conn);
+static CURLcode ftp_parse_url_path(struct connectdata *conn);
+static CURLcode ftp_regular_transfer(struct connectdata *conn, bool *done);
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+static void ftp_pasv_verbose(struct connectdata *conn,
+                             Curl_addrinfo *ai,
+                             char *newhost, /* ascii version */
+                             int port);
+#endif
+static CURLcode ftp_state_prepare_transfer(struct connectdata *conn);
+static CURLcode ftp_state_mdtm(struct connectdata *conn);
+static CURLcode ftp_state_quote(struct connectdata *conn,
+                                bool init, ftpstate instate);
+static CURLcode ftp_nb_type(struct connectdata *conn,
+                            bool ascii, ftpstate newstate);
+static int ftp_need_type(struct connectdata *conn,
+                         bool ascii);
+static CURLcode ftp_do(struct connectdata *conn, bool *done);
+static CURLcode ftp_done(struct connectdata *conn,
+                         CURLcode, bool premature);
+static CURLcode ftp_connect(struct connectdata *conn, bool *done);
+static CURLcode ftp_disconnect(struct connectdata *conn, bool dead_connection);
+static CURLcode ftp_do_more(struct connectdata *conn, int *completed);
+static CURLcode ftp_multi_statemach(struct connectdata *conn, bool *done);
+static int ftp_getsock(struct connectdata *conn, curl_socket_t *socks,
+                       int numsocks);
+static int ftp_domore_getsock(struct connectdata *conn, curl_socket_t *socks,
+                              int numsocks);
+static CURLcode ftp_doing(struct connectdata *conn,
+                          bool *dophase_done);
+static CURLcode ftp_setup_connection(struct connectdata * conn);
+
+static CURLcode init_wc_data(struct connectdata *conn);
+static CURLcode wc_statemach(struct connectdata *conn);
+
+static void wc_data_dtor(void *ptr);
+
+static CURLcode ftp_state_retr(struct connectdata *conn, curl_off_t filesize);
+
+static CURLcode ftp_readresp(curl_socket_t sockfd,
+                             struct pingpong *pp,
+                             int *ftpcode,
+                             size_t *size);
+static CURLcode ftp_dophase_done(struct connectdata *conn,
+                                 bool connected);
+
+/* easy-to-use macro: */
+#define PPSENDF(x,y,z)  result = Curl_pp_sendf(x,y,z); \
+                        if(result)                     \
+                          return result
+
+
+/*
+ * FTP protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_ftp = {
+  "FTP",                           /* scheme */
+  ftp_setup_connection,            /* setup_connection */
+  ftp_do,                          /* do_it */
+  ftp_done,                        /* done */
+  ftp_do_more,                     /* do_more */
+  ftp_connect,                     /* connect_it */
+  ftp_multi_statemach,             /* connecting */
+  ftp_doing,                       /* doing */
+  ftp_getsock,                     /* proto_getsock */
+  ftp_getsock,                     /* doing_getsock */
+  ftp_domore_getsock,              /* domore_getsock */
+  ZERO_NULL,                       /* perform_getsock */
+  ftp_disconnect,                  /* disconnect */
+  ZERO_NULL,                       /* readwrite */
+  ZERO_NULL,                       /* connection_check */
+  PORT_FTP,                        /* defport */
+  CURLPROTO_FTP,                   /* protocol */
+  PROTOPT_DUAL | PROTOPT_CLOSEACTION | PROTOPT_NEEDSPWD |
+  PROTOPT_NOURLQUERY | PROTOPT_PROXY_AS_HTTP |
+  PROTOPT_WILDCARD /* flags */
+};
+
+
+#ifdef USE_SSL
+/*
+ * FTPS protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_ftps = {
+  "FTPS",                          /* scheme */
+  ftp_setup_connection,            /* setup_connection */
+  ftp_do,                          /* do_it */
+  ftp_done,                        /* done */
+  ftp_do_more,                     /* do_more */
+  ftp_connect,                     /* connect_it */
+  ftp_multi_statemach,             /* connecting */
+  ftp_doing,                       /* doing */
+  ftp_getsock,                     /* proto_getsock */
+  ftp_getsock,                     /* doing_getsock */
+  ftp_domore_getsock,              /* domore_getsock */
+  ZERO_NULL,                       /* perform_getsock */
+  ftp_disconnect,                  /* disconnect */
+  ZERO_NULL,                       /* readwrite */
+  ZERO_NULL,                       /* connection_check */
+  PORT_FTPS,                       /* defport */
+  CURLPROTO_FTPS,                  /* protocol */
+  PROTOPT_SSL | PROTOPT_DUAL | PROTOPT_CLOSEACTION |
+  PROTOPT_NEEDSPWD | PROTOPT_NOURLQUERY | PROTOPT_WILDCARD /* flags */
+};
+#endif
+
+static void close_secondarysocket(struct connectdata *conn)
+{
+  if(CURL_SOCKET_BAD != conn->sock[SECONDARYSOCKET]) {
+    Curl_closesocket(conn, conn->sock[SECONDARYSOCKET]);
+    conn->sock[SECONDARYSOCKET] = CURL_SOCKET_BAD;
+  }
+  conn->bits.tcpconnect[SECONDARYSOCKET] = FALSE;
+}
+
+/*
+ * NOTE: back in the old days, we added code in the FTP code that made NOBODY
+ * requests on files respond with headers passed to the client/stdout that
+ * looked like HTTP ones.
+ *
+ * This approach is not very elegant, it causes confusion and is error-prone.
+ * It is subject for removal at the next (or at least a future) soname bump.
+ * Until then you can test the effects of the removal by undefining the
+ * following define named CURL_FTP_HTTPSTYLE_HEAD.
+ */
+#define CURL_FTP_HTTPSTYLE_HEAD 1
+
+static void freedirs(struct ftp_conn *ftpc)
+{
+  if(ftpc->dirs) {
+    int i;
+    for(i = 0; i < ftpc->dirdepth; i++) {
+      free(ftpc->dirs[i]);
+      ftpc->dirs[i] = NULL;
+    }
+    free(ftpc->dirs);
+    ftpc->dirs = NULL;
+    ftpc->dirdepth = 0;
+  }
+  Curl_safefree(ftpc->file);
+
+  /* no longer of any use */
+  Curl_safefree(ftpc->newhost);
+}
+
+/* Returns non-zero if the given string contains CR (\r) or LF (\n),
+   which are not allowed within RFC 959 <string>.
+   Note: The input string is in the client's encoding which might
+   not be ASCII, so escape sequences \r & \n must be used instead
+   of hex values 0x0d & 0x0a.
+*/
+static bool isBadFtpString(const char *string)
+{
+  return ((NULL != strchr(string, '\r')) ||
+          (NULL != strchr(string, '\n'))) ? TRUE : FALSE;
+}
+
+/***********************************************************************
+ *
+ * AcceptServerConnect()
+ *
+ * After connection request is received from the server this function is
+ * called to accept the connection and close the listening socket
+ *
+ */
+static CURLcode AcceptServerConnect(struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+  curl_socket_t sock = conn->sock[SECONDARYSOCKET];
+  curl_socket_t s = CURL_SOCKET_BAD;
+#ifdef ENABLE_IPV6
+  struct Curl_sockaddr_storage add;
+#else
+  struct sockaddr_in add;
+#endif
+  curl_socklen_t size = (curl_socklen_t) sizeof(add);
+
+  if(0 == getsockname(sock, (struct sockaddr *) &add, &size)) {
+    size = sizeof(add);
+
+    s = accept(sock, (struct sockaddr *) &add, &size);
+  }
+  Curl_closesocket(conn, sock); /* close the first socket */
+
+  if(CURL_SOCKET_BAD == s) {
+    failf(data, "Error accept()ing server connect");
+    return CURLE_FTP_PORT_FAILED;
+  }
+  infof(data, "Connection accepted from server\n");
+  /* when this happens within the DO state it is important that we mark us as
+     not needing DO_MORE anymore */
+  conn->bits.do_more = FALSE;
+
+  conn->sock[SECONDARYSOCKET] = s;
+  (void)curlx_nonblock(s, TRUE); /* enable non-blocking */
+  conn->sock_accepted[SECONDARYSOCKET] = TRUE;
+
+  if(data->set.fsockopt) {
+    int error = 0;
+
+    /* activate callback for setting socket options */
+    Curl_set_in_callback(data, true);
+    error = data->set.fsockopt(data->set.sockopt_client,
+                               s,
+                               CURLSOCKTYPE_ACCEPT);
+    Curl_set_in_callback(data, false);
+
+    if(error) {
+      close_secondarysocket(conn);
+      return CURLE_ABORTED_BY_CALLBACK;
+    }
+  }
+
+  return CURLE_OK;
+
+}
+
+/*
+ * ftp_timeleft_accept() returns the amount of milliseconds left allowed for
+ * waiting server to connect. If the value is negative, the timeout time has
+ * already elapsed.
+ *
+ * The start time is stored in progress.t_acceptdata - as set with
+ * Curl_pgrsTime(..., TIMER_STARTACCEPT);
+ *
+ */
+static timediff_t ftp_timeleft_accept(struct Curl_easy *data)
+{
+  timediff_t timeout_ms = DEFAULT_ACCEPT_TIMEOUT;
+  timediff_t other;
+  struct curltime now;
+
+  if(data->set.accepttimeout > 0)
+    timeout_ms = data->set.accepttimeout;
+
+  now = Curl_now();
+
+  /* check if the generic timeout possibly is set shorter */
+  other =  Curl_timeleft(data, &now, FALSE);
+  if(other && (other < timeout_ms))
+    /* note that this also works fine for when other happens to be negative
+       due to it already having elapsed */
+    timeout_ms = other;
+  else {
+    /* subtract elapsed time */
+    timeout_ms -= Curl_timediff(now, data->progress.t_acceptdata);
+    if(!timeout_ms)
+      /* avoid returning 0 as that means no timeout! */
+      return -1;
+  }
+
+  return timeout_ms;
+}
+
+
+/***********************************************************************
+ *
+ * ReceivedServerConnect()
+ *
+ * After allowing server to connect to us from data port, this function
+ * checks both data connection for connection establishment and ctrl
+ * connection for a negative response regarding a failure in connecting
+ *
+ */
+static CURLcode ReceivedServerConnect(struct connectdata *conn, bool *received)
+{
+  struct Curl_easy *data = conn->data;
+  curl_socket_t ctrl_sock = conn->sock[FIRSTSOCKET];
+  curl_socket_t data_sock = conn->sock[SECONDARYSOCKET];
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  struct pingpong *pp = &ftpc->pp;
+  int result;
+  time_t timeout_ms;
+  ssize_t nread;
+  int ftpcode;
+
+  *received = FALSE;
+
+  timeout_ms = ftp_timeleft_accept(data);
+  infof(data, "Checking for server connect\n");
+  if(timeout_ms < 0) {
+    /* if a timeout was already reached, bail out */
+    failf(data, "Accept timeout occurred while waiting server connect");
+    return CURLE_FTP_ACCEPT_TIMEOUT;
+  }
+
+  /* First check whether there is a cached response from server */
+  if(pp->cache_size && pp->cache && pp->cache[0] > '3') {
+    /* Data connection could not be established, let's return */
+    infof(data, "There is negative response in cache while serv connect\n");
+    Curl_GetFTPResponse(&nread, conn, &ftpcode);
+    return CURLE_FTP_ACCEPT_FAILED;
+  }
+
+  result = Curl_socket_check(ctrl_sock, data_sock, CURL_SOCKET_BAD, 0);
+
+  /* see if the connection request is already here */
+  switch(result) {
+  case -1: /* error */
+    /* let's die here */
+    failf(data, "Error while waiting for server connect");
+    return CURLE_FTP_ACCEPT_FAILED;
+  case 0:  /* Server connect is not received yet */
+    break; /* loop */
+  default:
+
+    if(result & CURL_CSELECT_IN2) {
+      infof(data, "Ready to accept data connection from server\n");
+      *received = TRUE;
+    }
+    else if(result & CURL_CSELECT_IN) {
+      infof(data, "Ctrl conn has data while waiting for data conn\n");
+      Curl_GetFTPResponse(&nread, conn, &ftpcode);
+
+      if(ftpcode/100 > 3)
+        return CURLE_FTP_ACCEPT_FAILED;
+
+      return CURLE_WEIRD_SERVER_REPLY;
+    }
+
+    break;
+  } /* switch() */
+
+  return CURLE_OK;
+}
+
+
+/***********************************************************************
+ *
+ * InitiateTransfer()
+ *
+ * After connection from server is accepted this function is called to
+ * setup transfer parameters and initiate the data transfer.
+ *
+ */
+static CURLcode InitiateTransfer(struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+  struct FTP *ftp = data->req.protop;
+  CURLcode result = CURLE_OK;
+
+  if(conn->bits.ftp_use_data_ssl) {
+    /* since we only have a plaintext TCP connection here, we must now
+     * do the TLS stuff */
+    infof(data, "Doing the SSL/TLS handshake on the data stream\n");
+    result = Curl_ssl_connect(conn, SECONDARYSOCKET);
+    if(result)
+      return result;
+  }
+
+  if(conn->proto.ftpc.state_saved == FTP_STOR) {
+    *(ftp->bytecountp) = 0;
+
+    /* When we know we're uploading a specified file, we can get the file
+       size prior to the actual upload. */
+
+    Curl_pgrsSetUploadSize(data, data->state.infilesize);
+
+    /* set the SO_SNDBUF for the secondary socket for those who need it */
+    Curl_sndbufset(conn->sock[SECONDARYSOCKET]);
+
+    Curl_setup_transfer(conn, -1, -1, FALSE, NULL, /* no download */
+                        SECONDARYSOCKET, ftp->bytecountp);
+  }
+  else {
+    /* FTP download: */
+    Curl_setup_transfer(conn, SECONDARYSOCKET,
+                        conn->proto.ftpc.retr_size_saved, FALSE,
+                        ftp->bytecountp, -1, NULL); /* no upload here */
+  }
+
+  conn->proto.ftpc.pp.pending_resp = TRUE; /* expect server response */
+  state(conn, FTP_STOP);
+
+  return CURLE_OK;
+}
+
+/***********************************************************************
+ *
+ * AllowServerConnect()
+ *
+ * When we've issue the PORT command, we have told the server to connect to
+ * us. This function checks whether data connection is established if so it is
+ * accepted.
+ *
+ */
+static CURLcode AllowServerConnect(struct connectdata *conn, bool *connected)
+{
+  struct Curl_easy *data = conn->data;
+  time_t timeout_ms;
+  CURLcode result = CURLE_OK;
+
+  *connected = FALSE;
+  infof(data, "Preparing for accepting server on data port\n");
+
+  /* Save the time we start accepting server connect */
+  Curl_pgrsTime(data, TIMER_STARTACCEPT);
+
+  timeout_ms = ftp_timeleft_accept(data);
+  if(timeout_ms < 0) {
+    /* if a timeout was already reached, bail out */
+    failf(data, "Accept timeout occurred while waiting server connect");
+    return CURLE_FTP_ACCEPT_TIMEOUT;
+  }
+
+  /* see if the connection request is already here */
+  result = ReceivedServerConnect(conn, connected);
+  if(result)
+    return result;
+
+  if(*connected) {
+    result = AcceptServerConnect(conn);
+    if(result)
+      return result;
+
+    result = InitiateTransfer(conn);
+    if(result)
+      return result;
+  }
+  else {
+    /* Add timeout to multi handle and break out of the loop */
+    if(!result && *connected == FALSE) {
+      Curl_expire(data, data->set.accepttimeout > 0 ?
+                  data->set.accepttimeout: DEFAULT_ACCEPT_TIMEOUT, 0);
+    }
+  }
+
+  return result;
+}
+
+/* macro to check for a three-digit ftp status code at the start of the
+   given string */
+#define STATUSCODE(line) (ISDIGIT(line[0]) && ISDIGIT(line[1]) &&       \
+                          ISDIGIT(line[2]))
+
+/* macro to check for the last line in an FTP server response */
+#define LASTLINE(line) (STATUSCODE(line) && (' ' == line[3]))
+
+static bool ftp_endofresp(struct connectdata *conn, char *line, size_t len,
+                          int *code)
+{
+  (void)conn;
+
+  if((len > 3) && LASTLINE(line)) {
+    *code = curlx_sltosi(strtol(line, NULL, 10));
+    return TRUE;
+  }
+
+  return FALSE;
+}
+
+static CURLcode ftp_readresp(curl_socket_t sockfd,
+                             struct pingpong *pp,
+                             int *ftpcode, /* return the ftp-code if done */
+                             size_t *size) /* size of the response */
+{
+  struct connectdata *conn = pp->conn;
+  struct Curl_easy *data = conn->data;
+#ifdef HAVE_GSSAPI
+  char * const buf = data->state.buffer;
+#endif
+  CURLcode result = CURLE_OK;
+  int code;
+
+  result = Curl_pp_readresp(sockfd, pp, &code, size);
+
+#if defined(HAVE_GSSAPI)
+  /* handle the security-oriented responses 6xx ***/
+  /* FIXME: some errorchecking perhaps... ***/
+  switch(code) {
+  case 631:
+    code = Curl_sec_read_msg(conn, buf, PROT_SAFE);
+    break;
+  case 632:
+    code = Curl_sec_read_msg(conn, buf, PROT_PRIVATE);
+    break;
+  case 633:
+    code = Curl_sec_read_msg(conn, buf, PROT_CONFIDENTIAL);
+    break;
+  default:
+    /* normal ftp stuff we pass through! */
+    break;
+  }
+#endif
+
+  /* store the latest code for later retrieval */
+  data->info.httpcode = code;
+
+  if(ftpcode)
+    *ftpcode = code;
+
+  if(421 == code) {
+    /* 421 means "Service not available, closing control connection." and FTP
+     * servers use it to signal that idle session timeout has been exceeded.
+     * If we ignored the response, it could end up hanging in some cases.
+     *
+     * This response code can come at any point so having it treated
+     * generically is a good idea.
+     */
+    infof(data, "We got a 421 - timeout!\n");
+    state(conn, FTP_STOP);
+    return CURLE_OPERATION_TIMEDOUT;
+  }
+
+  return result;
+}
+
+/* --- parse FTP server responses --- */
+
+/*
+ * Curl_GetFTPResponse() is a BLOCKING function to read the full response
+ * from a server after a command.
+ *
+ */
+
+CURLcode Curl_GetFTPResponse(ssize_t *nreadp, /* return number of bytes read */
+                             struct connectdata *conn,
+                             int *ftpcode) /* return the ftp-code */
+{
+  /*
+   * We cannot read just one byte per read() and then go back to select() as
+   * the OpenSSL read() doesn't grok that properly.
+   *
+   * Alas, read as much as possible, split up into lines, use the ending
+   * line in a response or continue reading.  */
+
+  curl_socket_t sockfd = conn->sock[FIRSTSOCKET];
+  struct Curl_easy *data = conn->data;
+  CURLcode result = CURLE_OK;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  struct pingpong *pp = &ftpc->pp;
+  size_t nread;
+  int cache_skip = 0;
+  int value_to_be_ignored = 0;
+
+  if(ftpcode)
+    *ftpcode = 0; /* 0 for errors */
+  else
+    /* make the pointer point to something for the rest of this function */
+    ftpcode = &value_to_be_ignored;
+
+  *nreadp = 0;
+
+  while(!*ftpcode && !result) {
+    /* check and reset timeout value every lap */
+    time_t timeout = Curl_pp_state_timeout(pp, FALSE);
+    time_t interval_ms;
+
+    if(timeout <= 0) {
+      failf(data, "FTP response timeout");
+      return CURLE_OPERATION_TIMEDOUT; /* already too little time */
+    }
+
+    interval_ms = 1000;  /* use 1 second timeout intervals */
+    if(timeout < interval_ms)
+      interval_ms = timeout;
+
+    /*
+     * Since this function is blocking, we need to wait here for input on the
+     * connection and only then we call the response reading function. We do
+     * timeout at least every second to make the timeout check run.
+     *
+     * A caution here is that the ftp_readresp() function has a cache that may
+     * contain pieces of a response from the previous invoke and we need to
+     * make sure we don't just wait for input while there is unhandled data in
+     * that cache. But also, if the cache is there, we call ftp_readresp() and
+     * the cache wasn't good enough to continue we must not just busy-loop
+     * around this function.
+     *
+     */
+
+    if(pp->cache && (cache_skip < 2)) {
+      /*
+       * There's a cache left since before. We then skipping the wait for
+       * socket action, unless this is the same cache like the previous round
+       * as then the cache was deemed not enough to act on and we then need to
+       * wait for more data anyway.
+       */
+    }
+    else if(!Curl_conn_data_pending(conn, FIRSTSOCKET)) {
+      switch(SOCKET_READABLE(sockfd, interval_ms)) {
+      case -1: /* select() error, stop reading */
+        failf(data, "FTP response aborted due to select/poll error: %d",
+              SOCKERRNO);
+        return CURLE_RECV_ERROR;
+
+      case 0: /* timeout */
+        if(Curl_pgrsUpdate(conn))
+          return CURLE_ABORTED_BY_CALLBACK;
+        continue; /* just continue in our loop for the timeout duration */
+
+      default: /* for clarity */
+        break;
+      }
+    }
+    result = ftp_readresp(sockfd, pp, ftpcode, &nread);
+    if(result)
+      break;
+
+    if(!nread && pp->cache)
+      /* bump cache skip counter as on repeated skips we must wait for more
+         data */
+      cache_skip++;
+    else
+      /* when we got data or there is no cache left, we reset the cache skip
+         counter */
+      cache_skip = 0;
+
+    *nreadp += nread;
+
+  } /* while there's buffer left and loop is requested */
+
+  pp->pending_resp = FALSE;
+
+  return result;
+}
+
+#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
+  /* for debug purposes */
+static const char * const ftp_state_names[]={
+  "STOP",
+  "WAIT220",
+  "AUTH",
+  "USER",
+  "PASS",
+  "ACCT",
+  "PBSZ",
+  "PROT",
+  "CCC",
+  "PWD",
+  "SYST",
+  "NAMEFMT",
+  "QUOTE",
+  "RETR_PREQUOTE",
+  "STOR_PREQUOTE",
+  "POSTQUOTE",
+  "CWD",
+  "MKD",
+  "MDTM",
+  "TYPE",
+  "LIST_TYPE",
+  "RETR_TYPE",
+  "STOR_TYPE",
+  "SIZE",
+  "RETR_SIZE",
+  "STOR_SIZE",
+  "REST",
+  "RETR_REST",
+  "PORT",
+  "PRET",
+  "PASV",
+  "LIST",
+  "RETR",
+  "STOR",
+  "QUIT"
+};
+#endif
+
+/* This is the ONLY way to change FTP state! */
+static void _state(struct connectdata *conn,
+                   ftpstate newstate
+#ifdef DEBUGBUILD
+                   , int lineno
+#endif
+  )
+{
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+
+#if defined(DEBUGBUILD)
+
+#if defined(CURL_DISABLE_VERBOSE_STRINGS)
+  (void) lineno;
+#else
+  if(ftpc->state != newstate)
+    infof(conn->data, "FTP %p (line %d) state change from %s to %s\n",
+          (void *)ftpc, lineno, ftp_state_names[ftpc->state],
+          ftp_state_names[newstate]);
+#endif
+#endif
+
+  ftpc->state = newstate;
+}
+
+static CURLcode ftp_state_user(struct connectdata *conn)
+{
+  CURLcode result;
+  struct FTP *ftp = conn->data->req.protop;
+  /* send USER */
+  PPSENDF(&conn->proto.ftpc.pp, "USER %s", ftp->user?ftp->user:"");
+
+  state(conn, FTP_USER);
+  conn->data->state.ftp_trying_alternative = FALSE;
+
+  return CURLE_OK;
+}
+
+static CURLcode ftp_state_pwd(struct connectdata *conn)
+{
+  CURLcode result;
+
+  /* send PWD to discover our entry point */
+  PPSENDF(&conn->proto.ftpc.pp, "%s", "PWD");
+  state(conn, FTP_PWD);
+
+  return CURLE_OK;
+}
+
+/* For the FTP "protocol connect" and "doing" phases only */
+static int ftp_getsock(struct connectdata *conn,
+                       curl_socket_t *socks,
+                       int numsocks)
+{
+  return Curl_pp_getsock(&conn->proto.ftpc.pp, socks, numsocks);
+}
+
+/* For the FTP "DO_MORE" phase only */
+static int ftp_domore_getsock(struct connectdata *conn, curl_socket_t *socks,
+                              int numsocks)
+{
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+
+  if(!numsocks)
+    return GETSOCK_BLANK;
+
+  /* When in DO_MORE state, we could be either waiting for us to connect to a
+   * remote site, or we could wait for that site to connect to us. Or just
+   * handle ordinary commands.
+   */
+
+  if(FTP_STOP == ftpc->state) {
+    int bits = GETSOCK_READSOCK(0);
+
+    /* if stopped and still in this state, then we're also waiting for a
+       connect on the secondary connection */
+    socks[0] = conn->sock[FIRSTSOCKET];
+
+    if(!conn->data->set.ftp_use_port) {
+      int s;
+      int i;
+      /* PORT is used to tell the server to connect to us, and during that we
+         don't do happy eyeballs, but we do if we connect to the server */
+      for(s = 1, i = 0; i<2; i++) {
+        if(conn->tempsock[i] != CURL_SOCKET_BAD) {
+          socks[s] = conn->tempsock[i];
+          bits |= GETSOCK_WRITESOCK(s++);
+        }
+      }
+    }
+    else {
+      socks[1] = conn->sock[SECONDARYSOCKET];
+      bits |= GETSOCK_WRITESOCK(1) | GETSOCK_READSOCK(1);
+    }
+
+    return bits;
+  }
+  return Curl_pp_getsock(&conn->proto.ftpc.pp, socks, numsocks);
+}
+
+/* This is called after the FTP_QUOTE state is passed.
+
+   ftp_state_cwd() sends the range of CWD commands to the server to change to
+   the correct directory. It may also need to send MKD commands to create
+   missing ones, if that option is enabled.
+*/
+static CURLcode ftp_state_cwd(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+
+  if(ftpc->cwddone)
+    /* already done and fine */
+    result = ftp_state_mdtm(conn);
+  else {
+    ftpc->count2 = 0; /* count2 counts failed CWDs */
+
+    /* count3 is set to allow a MKD to fail once. In the case when first CWD
+       fails and then MKD fails (due to another session raced it to create the
+       dir) this then allows for a second try to CWD to it */
+    ftpc->count3 = (conn->data->set.ftp_create_missing_dirs == 2)?1:0;
+
+    if((conn->data->set.ftp_filemethod == FTPFILE_NOCWD) && !ftpc->cwdcount)
+      /* No CWD necessary */
+      result = ftp_state_mdtm(conn);
+    else if(conn->bits.reuse && ftpc->entrypath) {
+      /* This is a re-used connection. Since we change directory to where the
+         transfer is taking place, we must first get back to the original dir
+         where we ended up after login: */
+      ftpc->cwdcount = 0; /* we count this as the first path, then we add one
+                             for all upcoming ones in the ftp->dirs[] array */
+      PPSENDF(&conn->proto.ftpc.pp, "CWD %s", ftpc->entrypath);
+      state(conn, FTP_CWD);
+    }
+    else {
+      if(ftpc->dirdepth) {
+        ftpc->cwdcount = 1;
+        /* issue the first CWD, the rest is sent when the CWD responses are
+           received... */
+        PPSENDF(&conn->proto.ftpc.pp, "CWD %s", ftpc->dirs[ftpc->cwdcount -1]);
+        state(conn, FTP_CWD);
+      }
+      else {
+        /* No CWD necessary */
+        result = ftp_state_mdtm(conn);
+      }
+    }
+  }
+  return result;
+}
+
+typedef enum {
+  EPRT,
+  PORT,
+  DONE
+} ftpport;
+
+static CURLcode ftp_state_use_port(struct connectdata *conn,
+                                   ftpport fcmd) /* start with this */
+
+{
+  CURLcode result = CURLE_OK;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  struct Curl_easy *data = conn->data;
+  curl_socket_t portsock = CURL_SOCKET_BAD;
+  char myhost[256] = "";
+
+  struct Curl_sockaddr_storage ss;
+  Curl_addrinfo *res, *ai;
+  curl_socklen_t sslen;
+  char hbuf[NI_MAXHOST];
+  struct sockaddr *sa = (struct sockaddr *)&ss;
+  struct sockaddr_in * const sa4 = (void *)sa;
+#ifdef ENABLE_IPV6
+  struct sockaddr_in6 * const sa6 = (void *)sa;
+#endif
+  char tmp[1024];
+  static const char mode[][5] = { "EPRT", "PORT" };
+  int rc;
+  int error;
+  char *host = NULL;
+  char *string_ftpport = data->set.str[STRING_FTPPORT];
+  struct Curl_dns_entry *h = NULL;
+  unsigned short port_min = 0;
+  unsigned short port_max = 0;
+  unsigned short port;
+  bool possibly_non_local = TRUE;
+
+  char *addr = NULL;
+
+  /* Step 1, figure out what is requested,
+   * accepted format :
+   * (ipv4|ipv6|domain|interface)?(:port(-range)?)?
+   */
+
+  if(data->set.str[STRING_FTPPORT] &&
+     (strlen(data->set.str[STRING_FTPPORT]) > 1)) {
+
+#ifdef ENABLE_IPV6
+    size_t addrlen = INET6_ADDRSTRLEN > strlen(string_ftpport) ?
+      INET6_ADDRSTRLEN : strlen(string_ftpport);
+#else
+    size_t addrlen = INET_ADDRSTRLEN > strlen(string_ftpport) ?
+      INET_ADDRSTRLEN : strlen(string_ftpport);
+#endif
+    char *ip_start = string_ftpport;
+    char *ip_end = NULL;
+    char *port_start = NULL;
+    char *port_sep = NULL;
+
+    addr = calloc(addrlen + 1, 1);
+    if(!addr)
+      return CURLE_OUT_OF_MEMORY;
+
+#ifdef ENABLE_IPV6
+    if(*string_ftpport == '[') {
+      /* [ipv6]:port(-range) */
+      ip_start = string_ftpport + 1;
+      ip_end = strchr(string_ftpport, ']');
+      if(ip_end)
+        strncpy(addr, ip_start, ip_end - ip_start);
+    }
+    else
+#endif
+      if(*string_ftpport == ':') {
+        /* :port */
+        ip_end = string_ftpport;
+      }
+      else {
+        ip_end = strchr(string_ftpport, ':');
+        if(ip_end) {
+          /* either ipv6 or (ipv4|domain|interface):port(-range) */
+#ifdef ENABLE_IPV6
+          if(Curl_inet_pton(AF_INET6, string_ftpport, sa6) == 1) {
+            /* ipv6 */
+            port_min = port_max = 0;
+            strcpy(addr, string_ftpport);
+            ip_end = NULL; /* this got no port ! */
+          }
+          else
+#endif
+            /* (ipv4|domain|interface):port(-range) */
+            strncpy(addr, string_ftpport, ip_end - ip_start);
+        }
+        else
+          /* ipv4|interface */
+          strcpy(addr, string_ftpport);
+      }
+
+    /* parse the port */
+    if(ip_end != NULL) {
+      port_start = strchr(ip_end, ':');
+      if(port_start) {
+        port_min = curlx_ultous(strtoul(port_start + 1, NULL, 10));
+        port_sep = strchr(port_start, '-');
+        if(port_sep) {
+          port_max = curlx_ultous(strtoul(port_sep + 1, NULL, 10));
+        }
+        else
+          port_max = port_min;
+      }
+    }
+
+    /* correct errors like:
+     *  :1234-1230
+     *  :-4711,  in this case port_min is (unsigned)-1,
+     *           therefore port_min > port_max for all cases
+     *           but port_max = (unsigned)-1
+     */
+    if(port_min > port_max)
+      port_min = port_max = 0;
+
+
+    if(*addr != '\0') {
+      /* attempt to get the address of the given interface name */
+      switch(Curl_if2ip(conn->ip_addr->ai_family,
+                        Curl_ipv6_scope(conn->ip_addr->ai_addr),
+                        conn->scope_id, addr, hbuf, sizeof(hbuf))) {
+        case IF2IP_NOT_FOUND:
+          /* not an interface, use the given string as host name instead */
+          host = addr;
+          break;
+        case IF2IP_AF_NOT_SUPPORTED:
+          return CURLE_FTP_PORT_FAILED;
+        case IF2IP_FOUND:
+          host = hbuf; /* use the hbuf for host name */
+      }
+    }
+    else
+      /* there was only a port(-range) given, default the host */
+      host = NULL;
+  } /* data->set.ftpport */
+
+  if(!host) {
+    /* not an interface and not a host name, get default by extracting
+       the IP from the control connection */
+
+    sslen = sizeof(ss);
+    if(getsockname(conn->sock[FIRSTSOCKET], sa, &sslen)) {
+      failf(data, "getsockname() failed: %s",
+          Curl_strerror(conn, SOCKERRNO) );
+      free(addr);
+      return CURLE_FTP_PORT_FAILED;
+    }
+    switch(sa->sa_family) {
+#ifdef ENABLE_IPV6
+    case AF_INET6:
+      Curl_inet_ntop(sa->sa_family, &sa6->sin6_addr, hbuf, sizeof(hbuf));
+      break;
+#endif
+    default:
+      Curl_inet_ntop(sa->sa_family, &sa4->sin_addr, hbuf, sizeof(hbuf));
+      break;
+    }
+    host = hbuf; /* use this host name */
+    possibly_non_local = FALSE; /* we know it is local now */
+  }
+
+  /* resolv ip/host to ip */
+  rc = Curl_resolv(conn, host, 0, &h);
+  if(rc == CURLRESOLV_PENDING)
+    (void)Curl_resolver_wait_resolv(conn, &h);
+  if(h) {
+    res = h->addr;
+    /* when we return from this function, we can forget about this entry
+       to we can unlock it now already */
+    Curl_resolv_unlock(data, h);
+  } /* (h) */
+  else
+    res = NULL; /* failure! */
+
+  if(res == NULL) {
+    failf(data, "failed to resolve the address provided to PORT: %s", host);
+    free(addr);
+    return CURLE_FTP_PORT_FAILED;
+  }
+
+  free(addr);
+  host = NULL;
+
+  /* step 2, create a socket for the requested address */
+
+  portsock = CURL_SOCKET_BAD;
+  error = 0;
+  for(ai = res; ai; ai = ai->ai_next) {
+    result = Curl_socket(conn, ai, NULL, &portsock);
+    if(result) {
+      error = SOCKERRNO;
+      continue;
+    }
+    break;
+  }
+  if(!ai) {
+    failf(data, "socket failure: %s", Curl_strerror(conn, error));
+    return CURLE_FTP_PORT_FAILED;
+  }
+
+  /* step 3, bind to a suitable local address */
+
+  memcpy(sa, ai->ai_addr, ai->ai_addrlen);
+  sslen = ai->ai_addrlen;
+
+  for(port = port_min; port <= port_max;) {
+    if(sa->sa_family == AF_INET)
+      sa4->sin_port = htons(port);
+#ifdef ENABLE_IPV6
+    else
+      sa6->sin6_port = htons(port);
+#endif
+    /* Try binding the given address. */
+    if(bind(portsock, sa, sslen) ) {
+      /* It failed. */
+      error = SOCKERRNO;
+      if(possibly_non_local && (error == EADDRNOTAVAIL)) {
+        /* The requested bind address is not local.  Use the address used for
+         * the control connection instead and restart the port loop
+         */
+
+        infof(data, "bind(port=%hu) on non-local address failed: %s\n", port,
+              Curl_strerror(conn, error) );
+
+        sslen = sizeof(ss);
+        if(getsockname(conn->sock[FIRSTSOCKET], sa, &sslen)) {
+          failf(data, "getsockname() failed: %s",
+                Curl_strerror(conn, SOCKERRNO) );
+          Curl_closesocket(conn, portsock);
+          return CURLE_FTP_PORT_FAILED;
+        }
+        port = port_min;
+        possibly_non_local = FALSE; /* don't try this again */
+        continue;
+      }
+      if(error != EADDRINUSE && error != EACCES) {
+        failf(data, "bind(port=%hu) failed: %s", port,
+              Curl_strerror(conn, error) );
+        Curl_closesocket(conn, portsock);
+        return CURLE_FTP_PORT_FAILED;
+      }
+    }
+    else
+      break;
+
+    port++;
+  }
+
+  /* maybe all ports were in use already*/
+  if(port > port_max) {
+    failf(data, "bind() failed, we ran out of ports!");
+    Curl_closesocket(conn, portsock);
+    return CURLE_FTP_PORT_FAILED;
+  }
+
+  /* get the name again after the bind() so that we can extract the
+     port number it uses now */
+  sslen = sizeof(ss);
+  if(getsockname(portsock, (struct sockaddr *)sa, &sslen)) {
+    failf(data, "getsockname() failed: %s",
+          Curl_strerror(conn, SOCKERRNO) );
+    Curl_closesocket(conn, portsock);
+    return CURLE_FTP_PORT_FAILED;
+  }
+
+  /* step 4, listen on the socket */
+
+  if(listen(portsock, 1)) {
+    failf(data, "socket failure: %s", Curl_strerror(conn, SOCKERRNO));
+    Curl_closesocket(conn, portsock);
+    return CURLE_FTP_PORT_FAILED;
+  }
+
+  /* step 5, send the proper FTP command */
+
+  /* get a plain printable version of the numerical address to work with
+     below */
+  Curl_printable_address(ai, myhost, sizeof(myhost));
+
+#ifdef ENABLE_IPV6
+  if(!conn->bits.ftp_use_eprt && conn->bits.ipv6)
+    /* EPRT is disabled but we are connected to a IPv6 host, so we ignore the
+       request and enable EPRT again! */
+    conn->bits.ftp_use_eprt = TRUE;
+#endif
+
+  for(; fcmd != DONE; fcmd++) {
+
+    if(!conn->bits.ftp_use_eprt && (EPRT == fcmd))
+      /* if disabled, goto next */
+      continue;
+
+    if((PORT == fcmd) && sa->sa_family != AF_INET)
+      /* PORT is IPv4 only */
+      continue;
+
+    switch(sa->sa_family) {
+    case AF_INET:
+      port = ntohs(sa4->sin_port);
+      break;
+#ifdef ENABLE_IPV6
+    case AF_INET6:
+      port = ntohs(sa6->sin6_port);
+      break;
+#endif
+    default:
+      continue; /* might as well skip this */
+    }
+
+    if(EPRT == fcmd) {
+      /*
+       * Two fine examples from RFC2428;
+       *
+       * EPRT |1|132.235.1.2|6275|
+       *
+       * EPRT |2|1080::8:800:200C:417A|5282|
+       */
+
+      result = Curl_pp_sendf(&ftpc->pp, "%s |%d|%s|%hu|", mode[fcmd],
+                             sa->sa_family == AF_INET?1:2,
+                             myhost, port);
+      if(result) {
+        failf(data, "Failure sending EPRT command: %s",
+              curl_easy_strerror(result));
+        Curl_closesocket(conn, portsock);
+        /* don't retry using PORT */
+        ftpc->count1 = PORT;
+        /* bail out */
+        state(conn, FTP_STOP);
+        return result;
+      }
+      break;
+    }
+    if(PORT == fcmd) {
+      char *source = myhost;
+      char *dest = tmp;
+
+      /* translate x.x.x.x to x,x,x,x */
+      while(source && *source) {
+        if(*source == '.')
+          *dest = ',';
+        else
+          *dest = *source;
+        dest++;
+        source++;
+      }
+      *dest = 0;
+      msnprintf(dest, 20, ",%d,%d", (int)(port>>8), (int)(port&0xff));
+
+      result = Curl_pp_sendf(&ftpc->pp, "%s %s", mode[fcmd], tmp);
+      if(result) {
+        failf(data, "Failure sending PORT command: %s",
+              curl_easy_strerror(result));
+        Curl_closesocket(conn, portsock);
+        /* bail out */
+        state(conn, FTP_STOP);
+        return result;
+      }
+      break;
+    }
+  }
+
+  /* store which command was sent */
+  ftpc->count1 = fcmd;
+
+  close_secondarysocket(conn);
+
+  /* we set the secondary socket variable to this for now, it is only so that
+     the cleanup function will close it in case we fail before the true
+     secondary stuff is made */
+  conn->sock[SECONDARYSOCKET] = portsock;
+
+  /* this tcpconnect assignment below is a hackish work-around to make the
+     multi interface with active FTP work - as it will not wait for a
+     (passive) connect in Curl_is_connected().
+
+     The *proper* fix is to make sure that the active connection from the
+     server is done in a non-blocking way. Currently, it is still BLOCKING.
+  */
+  conn->bits.tcpconnect[SECONDARYSOCKET] = TRUE;
+
+  state(conn, FTP_PORT);
+  return result;
+}
+
+static CURLcode ftp_state_use_pasv(struct connectdata *conn)
+{
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  CURLcode result = CURLE_OK;
+  /*
+    Here's the excecutive summary on what to do:
+
+    PASV is RFC959, expect:
+    227 Entering Passive Mode (a1,a2,a3,a4,p1,p2)
+
+    LPSV is RFC1639, expect:
+    228 Entering Long Passive Mode (4,4,a1,a2,a3,a4,2,p1,p2)
+
+    EPSV is RFC2428, expect:
+    229 Entering Extended Passive Mode (|||port|)
+
+  */
+
+  static const char mode[][5] = { "EPSV", "PASV" };
+  int modeoff;
+
+#ifdef PF_INET6
+  if(!conn->bits.ftp_use_epsv && conn->bits.ipv6)
+    /* EPSV is disabled but we are connected to a IPv6 host, so we ignore the
+       request and enable EPSV again! */
+    conn->bits.ftp_use_epsv = TRUE;
+#endif
+
+  modeoff = conn->bits.ftp_use_epsv?0:1;
+
+  PPSENDF(&ftpc->pp, "%s", mode[modeoff]);
+
+  ftpc->count1 = modeoff;
+  state(conn, FTP_PASV);
+  infof(conn->data, "Connect data stream passively\n");
+
+  return result;
+}
+
+/*
+ * ftp_state_prepare_transfer() starts PORT, PASV or PRET etc.
+ *
+ * REST is the last command in the chain of commands when a "head"-like
+ * request is made. Thus, if an actual transfer is to be made this is where we
+ * take off for real.
+ */
+static CURLcode ftp_state_prepare_transfer(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct FTP *ftp = conn->data->req.protop;
+  struct Curl_easy *data = conn->data;
+
+  if(ftp->transfer != FTPTRANSFER_BODY) {
+    /* doesn't transfer any data */
+
+    /* still possibly do PRE QUOTE jobs */
+    state(conn, FTP_RETR_PREQUOTE);
+    result = ftp_state_quote(conn, TRUE, FTP_RETR_PREQUOTE);
+  }
+  else if(data->set.ftp_use_port) {
+    /* We have chosen to use the PORT (or similar) command */
+    result = ftp_state_use_port(conn, EPRT);
+  }
+  else {
+    /* We have chosen (this is default) to use the PASV (or similar) command */
+    if(data->set.ftp_use_pret) {
+      /* The user has requested that we send a PRET command
+         to prepare the server for the upcoming PASV */
+      if(!conn->proto.ftpc.file) {
+        PPSENDF(&conn->proto.ftpc.pp, "PRET %s",
+                data->set.str[STRING_CUSTOMREQUEST]?
+                data->set.str[STRING_CUSTOMREQUEST]:
+                (data->set.ftp_list_only?"NLST":"LIST"));
+      }
+      else if(data->set.upload) {
+        PPSENDF(&conn->proto.ftpc.pp, "PRET STOR %s", conn->proto.ftpc.file);
+      }
+      else {
+        PPSENDF(&conn->proto.ftpc.pp, "PRET RETR %s", conn->proto.ftpc.file);
+      }
+      state(conn, FTP_PRET);
+    }
+    else {
+      result = ftp_state_use_pasv(conn);
+    }
+  }
+  return result;
+}
+
+static CURLcode ftp_state_rest(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct FTP *ftp = conn->data->req.protop;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+
+  if((ftp->transfer != FTPTRANSFER_BODY) && ftpc->file) {
+    /* if a "head"-like request is being made (on a file) */
+
+    /* Determine if server can respond to REST command and therefore
+       whether it supports range */
+    PPSENDF(&conn->proto.ftpc.pp, "REST %d", 0);
+
+    state(conn, FTP_REST);
+  }
+  else
+    result = ftp_state_prepare_transfer(conn);
+
+  return result;
+}
+
+static CURLcode ftp_state_size(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct FTP *ftp = conn->data->req.protop;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+
+  if((ftp->transfer == FTPTRANSFER_INFO) && ftpc->file) {
+    /* if a "head"-like request is being made (on a file) */
+
+    /* we know ftpc->file is a valid pointer to a file name */
+    PPSENDF(&ftpc->pp, "SIZE %s", ftpc->file);
+
+    state(conn, FTP_SIZE);
+  }
+  else
+    result = ftp_state_rest(conn);
+
+  return result;
+}
+
+static CURLcode ftp_state_list(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct FTP *ftp = data->req.protop;
+
+  /* If this output is to be machine-parsed, the NLST command might be better
+     to use, since the LIST command output is not specified or standard in any
+     way. It has turned out that the NLST list output is not the same on all
+     servers either... */
+
+  /*
+     if FTPFILE_NOCWD was specified, we are currently in
+     the user's home directory, so we should add the path
+     as argument for the LIST / NLST / or custom command.
+     Whether the server will support this, is uncertain.
+
+     The other ftp_filemethods will CWD into dir/dir/ first and
+     then just do LIST (in that case: nothing to do here)
+  */
+  char *cmd, *lstArg, *slashPos;
+  const char *inpath = ftp->path;
+
+  lstArg = NULL;
+  if((data->set.ftp_filemethod == FTPFILE_NOCWD) &&
+     inpath && inpath[0] && strchr(inpath, '/')) {
+    size_t n = strlen(inpath);
+
+    /* Check if path does not end with /, as then we cut off the file part */
+    if(inpath[n - 1] != '/') {
+      /* chop off the file part if format is dir/dir/file */
+      slashPos = strrchr(inpath, '/');
+      n = slashPos - inpath;
+    }
+    result = Curl_urldecode(data, inpath, n, &lstArg, NULL, TRUE);
+    if(result)
+      return result;
+  }
+
+  cmd = aprintf("%s%s%s",
+                data->set.str[STRING_CUSTOMREQUEST]?
+                data->set.str[STRING_CUSTOMREQUEST]:
+                (data->set.ftp_list_only?"NLST":"LIST"),
+                lstArg? " ": "",
+                lstArg? lstArg: "");
+
+  if(!cmd) {
+    free(lstArg);
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  result = Curl_pp_sendf(&conn->proto.ftpc.pp, "%s", cmd);
+
+  free(lstArg);
+  free(cmd);
+
+  if(result)
+    return result;
+
+  state(conn, FTP_LIST);
+
+  return result;
+}
+
+static CURLcode ftp_state_retr_prequote(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+
+  /* We've sent the TYPE, now we must send the list of prequote strings */
+
+  result = ftp_state_quote(conn, TRUE, FTP_RETR_PREQUOTE);
+
+  return result;
+}
+
+static CURLcode ftp_state_stor_prequote(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+
+  /* We've sent the TYPE, now we must send the list of prequote strings */
+
+  result = ftp_state_quote(conn, TRUE, FTP_STOR_PREQUOTE);
+
+  return result;
+}
+
+static CURLcode ftp_state_type(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct FTP *ftp = conn->data->req.protop;
+  struct Curl_easy *data = conn->data;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+
+  /* If we have selected NOBODY and HEADER, it means that we only want file
+     information. Which in FTP can't be much more than the file size and
+     date. */
+  if(data->set.opt_no_body && ftpc->file &&
+     ftp_need_type(conn, data->set.prefer_ascii)) {
+    /* The SIZE command is _not_ RFC 959 specified, and therefore many servers
+       may not support it! It is however the only way we have to get a file's
+       size! */
+
+    ftp->transfer = FTPTRANSFER_INFO;
+    /* this means no actual transfer will be made */
+
+    /* Some servers return different sizes for different modes, and thus we
+       must set the proper type before we check the size */
+    result = ftp_nb_type(conn, data->set.prefer_ascii, FTP_TYPE);
+    if(result)
+      return result;
+  }
+  else
+    result = ftp_state_size(conn);
+
+  return result;
+}
+
+/* This is called after the CWD commands have been done in the beginning of
+   the DO phase */
+static CURLcode ftp_state_mdtm(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+
+  /* Requested time of file or time-depended transfer? */
+  if((data->set.get_filetime || data->set.timecondition) && ftpc->file) {
+
+    /* we have requested to get the modified-time of the file, this is a white
+       spot as the MDTM is not mentioned in RFC959 */
+    PPSENDF(&ftpc->pp, "MDTM %s", ftpc->file);
+
+    state(conn, FTP_MDTM);
+  }
+  else
+    result = ftp_state_type(conn);
+
+  return result;
+}
+
+
+/* This is called after the TYPE and possible quote commands have been sent */
+static CURLcode ftp_state_ul_setup(struct connectdata *conn,
+                                   bool sizechecked)
+{
+  CURLcode result = CURLE_OK;
+  struct FTP *ftp = conn->data->req.protop;
+  struct Curl_easy *data = conn->data;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+
+  if((data->state.resume_from && !sizechecked) ||
+     ((data->state.resume_from > 0) && sizechecked)) {
+    /* we're about to continue the uploading of a file */
+    /* 1. get already existing file's size. We use the SIZE command for this
+       which may not exist in the server!  The SIZE command is not in
+       RFC959. */
+
+    /* 2. This used to set REST. But since we can do append, we
+       don't another ftp command. We just skip the source file
+       offset and then we APPEND the rest on the file instead */
+
+    /* 3. pass file-size number of bytes in the source file */
+    /* 4. lower the infilesize counter */
+    /* => transfer as usual */
+    int seekerr = CURL_SEEKFUNC_OK;
+
+    if(data->state.resume_from < 0) {
+      /* Got no given size to start from, figure it out */
+      PPSENDF(&ftpc->pp, "SIZE %s", ftpc->file);
+      state(conn, FTP_STOR_SIZE);
+      return result;
+    }
+
+    /* enable append */
+    data->set.ftp_append = TRUE;
+
+    /* Let's read off the proper amount of bytes from the input. */
+    if(conn->seek_func) {
+      Curl_set_in_callback(data, true);
+      seekerr = conn->seek_func(conn->seek_client, data->state.resume_from,
+                                SEEK_SET);
+      Curl_set_in_callback(data, false);
+    }
+
+    if(seekerr != CURL_SEEKFUNC_OK) {
+      curl_off_t passed = 0;
+      if(seekerr != CURL_SEEKFUNC_CANTSEEK) {
+        failf(data, "Could not seek stream");
+        return CURLE_FTP_COULDNT_USE_REST;
+      }
+      /* seekerr == CURL_SEEKFUNC_CANTSEEK (can't seek to offset) */
+      do {
+        size_t readthisamountnow =
+          (data->state.resume_from - passed > data->set.buffer_size) ?
+          (size_t)data->set.buffer_size :
+          curlx_sotouz(data->state.resume_from - passed);
+
+        size_t actuallyread =
+          data->state.fread_func(data->state.buffer, 1, readthisamountnow,
+                                 data->state.in);
+
+        passed += actuallyread;
+        if((actuallyread == 0) || (actuallyread > readthisamountnow)) {
+          /* this checks for greater-than only to make sure that the
+             CURL_READFUNC_ABORT return code still aborts */
+          failf(data, "Failed to read data");
+          return CURLE_FTP_COULDNT_USE_REST;
+        }
+      } while(passed < data->state.resume_from);
+    }
+    /* now, decrease the size of the read */
+    if(data->state.infilesize>0) {
+      data->state.infilesize -= data->state.resume_from;
+
+      if(data->state.infilesize <= 0) {
+        infof(data, "File already completely uploaded\n");
+
+        /* no data to transfer */
+        Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
+
+        /* Set ->transfer so that we won't get any error in
+         * ftp_done() because we didn't transfer anything! */
+        ftp->transfer = FTPTRANSFER_NONE;
+
+        state(conn, FTP_STOP);
+        return CURLE_OK;
+      }
+    }
+    /* we've passed, proceed as normal */
+  } /* resume_from */
+
+  PPSENDF(&ftpc->pp, data->set.ftp_append?"APPE %s":"STOR %s",
+          ftpc->file);
+
+  state(conn, FTP_STOR);
+
+  return result;
+}
+
+static CURLcode ftp_state_quote(struct connectdata *conn,
+                                bool init,
+                                ftpstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct FTP *ftp = data->req.protop;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  bool quote = FALSE;
+  struct curl_slist *item;
+
+  switch(instate) {
+  case FTP_QUOTE:
+  default:
+    item = data->set.quote;
+    break;
+  case FTP_RETR_PREQUOTE:
+  case FTP_STOR_PREQUOTE:
+    item = data->set.prequote;
+    break;
+  case FTP_POSTQUOTE:
+    item = data->set.postquote;
+    break;
+  }
+
+  /*
+   * This state uses:
+   * 'count1' to iterate over the commands to send
+   * 'count2' to store whether to allow commands to fail
+   */
+
+  if(init)
+    ftpc->count1 = 0;
+  else
+    ftpc->count1++;
+
+  if(item) {
+    int i = 0;
+
+    /* Skip count1 items in the linked list */
+    while((i< ftpc->count1) && item) {
+      item = item->next;
+      i++;
+    }
+    if(item) {
+      char *cmd = item->data;
+      if(cmd[0] == '*') {
+        cmd++;
+        ftpc->count2 = 1; /* the sent command is allowed to fail */
+      }
+      else
+        ftpc->count2 = 0; /* failure means cancel operation */
+
+      PPSENDF(&ftpc->pp, "%s", cmd);
+      state(conn, instate);
+      quote = TRUE;
+    }
+  }
+
+  if(!quote) {
+    /* No more quote to send, continue to ... */
+    switch(instate) {
+    case FTP_QUOTE:
+    default:
+      result = ftp_state_cwd(conn);
+      break;
+    case FTP_RETR_PREQUOTE:
+      if(ftp->transfer != FTPTRANSFER_BODY)
+        state(conn, FTP_STOP);
+      else {
+        if(ftpc->known_filesize != -1) {
+          Curl_pgrsSetDownloadSize(data, ftpc->known_filesize);
+          result = ftp_state_retr(conn, ftpc->known_filesize);
+        }
+        else {
+          if(data->set.ignorecl) {
+            /* This code is to support download of growing files.  It prevents
+               the state machine from requesting the file size from the
+               server.  With an unknown file size the download continues until
+               the server terminates it, otherwise the client stops if the
+               received byte count exceeds the reported file size.  Set option
+               CURLOPT_IGNORE_CONTENT_LENGTH to 1 to enable this behavior.*/
+            PPSENDF(&ftpc->pp, "RETR %s", ftpc->file);
+            state(conn, FTP_RETR);
+          }
+          else {
+            PPSENDF(&ftpc->pp, "SIZE %s", ftpc->file);
+            state(conn, FTP_RETR_SIZE);
+          }
+        }
+      }
+      break;
+    case FTP_STOR_PREQUOTE:
+      result = ftp_state_ul_setup(conn, FALSE);
+      break;
+    case FTP_POSTQUOTE:
+      break;
+    }
+  }
+
+  return result;
+}
+
+/* called from ftp_state_pasv_resp to switch to PASV in case of EPSV
+   problems */
+static CURLcode ftp_epsv_disable(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+
+  if(conn->bits.ipv6 && !(conn->bits.tunnel_proxy || conn->bits.socksproxy)) {
+    /* We can't disable EPSV when doing IPv6, so this is instead a fail */
+    failf(conn->data, "Failed EPSV attempt, exiting\n");
+    return CURLE_WEIRD_SERVER_REPLY;
+  }
+
+  infof(conn->data, "Failed EPSV attempt. Disabling EPSV\n");
+  /* disable it for next transfer */
+  conn->bits.ftp_use_epsv = FALSE;
+  conn->data->state.errorbuf = FALSE; /* allow error message to get
+                                         rewritten */
+  PPSENDF(&conn->proto.ftpc.pp, "%s", "PASV");
+  conn->proto.ftpc.count1++;
+  /* remain in/go to the FTP_PASV state */
+  state(conn, FTP_PASV);
+  return result;
+}
+
+
+static char *control_address(struct connectdata *conn)
+{
+  /* Returns the control connection IP address.
+     If a proxy tunnel is used, returns the original host name instead, because
+     the effective control connection address is the proxy address,
+     not the ftp host. */
+  if(conn->bits.tunnel_proxy || conn->bits.socksproxy)
+    return conn->host.name;
+
+  return conn->ip_addr_str;
+}
+
+static CURLcode ftp_state_pasv_resp(struct connectdata *conn,
+                                    int ftpcode)
+{
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  CURLcode result;
+  struct Curl_easy *data = conn->data;
+  struct Curl_dns_entry *addr = NULL;
+  int rc;
+  unsigned short connectport; /* the local port connect() should use! */
+  char *str = &data->state.buffer[4];  /* start on the first letter */
+
+  /* if we come here again, make sure the former name is cleared */
+  Curl_safefree(ftpc->newhost);
+
+  if((ftpc->count1 == 0) &&
+     (ftpcode == 229)) {
+    /* positive EPSV response */
+    char *ptr = strchr(str, '(');
+    if(ptr) {
+      unsigned int num;
+      char separator[4];
+      ptr++;
+      if(5 == sscanf(ptr, "%c%c%c%u%c",
+                     &separator[0],
+                     &separator[1],
+                     &separator[2],
+                     &num,
+                     &separator[3])) {
+        const char sep1 = separator[0];
+        int i;
+
+        /* The four separators should be identical, or else this is an oddly
+           formatted reply and we bail out immediately. */
+        for(i = 1; i<4; i++) {
+          if(separator[i] != sep1) {
+            ptr = NULL; /* set to NULL to signal error */
+            break;
+          }
+        }
+        if(num > 0xffff) {
+          failf(data, "Illegal port number in EPSV reply");
+          return CURLE_FTP_WEIRD_PASV_REPLY;
+        }
+        if(ptr) {
+          ftpc->newport = (unsigned short)(num & 0xffff);
+          ftpc->newhost = strdup(control_address(conn));
+          if(!ftpc->newhost)
+            return CURLE_OUT_OF_MEMORY;
+        }
+      }
+      else
+        ptr = NULL;
+    }
+    if(!ptr) {
+      failf(data, "Weirdly formatted EPSV reply");
+      return CURLE_FTP_WEIRD_PASV_REPLY;
+    }
+  }
+  else if((ftpc->count1 == 1) &&
+          (ftpcode == 227)) {
+    /* positive PASV response */
+    unsigned int ip[4];
+    unsigned int port[2];
+
+    /*
+     * Scan for a sequence of six comma-separated numbers and use them as
+     * IP+port indicators.
+     *
+     * Found reply-strings include:
+     * "227 Entering Passive Mode (127,0,0,1,4,51)"
+     * "227 Data transfer will passively listen to 127,0,0,1,4,51"
+     * "227 Entering passive mode. 127,0,0,1,4,51"
+     */
+    while(*str) {
+      if(6 == sscanf(str, "%u,%u,%u,%u,%u,%u",
+                     &ip[0], &ip[1], &ip[2], &ip[3],
+                     &port[0], &port[1]))
+        break;
+      str++;
+    }
+
+    if(!*str || (ip[0] > 255) || (ip[1] > 255)  || (ip[2] > 255)  ||
+       (ip[3] > 255) || (port[0] > 255)  || (port[1] > 255) ) {
+      failf(data, "Couldn't interpret the 227-response");
+      return CURLE_FTP_WEIRD_227_FORMAT;
+    }
+
+    /* we got OK from server */
+    if(data->set.ftp_skip_ip) {
+      /* told to ignore the remotely given IP but instead use the host we used
+         for the control connection */
+      infof(data, "Skip %u.%u.%u.%u for data connection, re-use %s instead\n",
+            ip[0], ip[1], ip[2], ip[3],
+            conn->host.name);
+      ftpc->newhost = strdup(control_address(conn));
+    }
+    else
+      ftpc->newhost = aprintf("%u.%u.%u.%u", ip[0], ip[1], ip[2], ip[3]);
+
+    if(!ftpc->newhost)
+      return CURLE_OUT_OF_MEMORY;
+
+    ftpc->newport = (unsigned short)(((port[0]<<8) + port[1]) & 0xffff);
+  }
+  else if(ftpc->count1 == 0) {
+    /* EPSV failed, move on to PASV */
+    return ftp_epsv_disable(conn);
+  }
+  else {
+    failf(data, "Bad PASV/EPSV response: %03d", ftpcode);
+    return CURLE_FTP_WEIRD_PASV_REPLY;
+  }
+
+  if(conn->bits.proxy) {
+    /*
+     * This connection uses a proxy and we need to connect to the proxy again
+     * here. We don't want to rely on a former host lookup that might've
+     * expired now, instead we remake the lookup here and now!
+     */
+    const char * const host_name = conn->bits.socksproxy ?
+      conn->socks_proxy.host.name : conn->http_proxy.host.name;
+    rc = Curl_resolv(conn, host_name, (int)conn->port, &addr);
+    if(rc == CURLRESOLV_PENDING)
+      /* BLOCKING, ignores the return code but 'addr' will be NULL in
+         case of failure */
+      (void)Curl_resolver_wait_resolv(conn, &addr);
+
+    connectport =
+      (unsigned short)conn->port; /* we connect to the proxy's port */
+
+    if(!addr) {
+      failf(data, "Can't resolve proxy host %s:%hu", host_name, connectport);
+      return CURLE_COULDNT_RESOLVE_PROXY;
+    }
+  }
+  else {
+    /* normal, direct, ftp connection */
+    rc = Curl_resolv(conn, ftpc->newhost, ftpc->newport, &addr);
+    if(rc == CURLRESOLV_PENDING)
+      /* BLOCKING */
+      (void)Curl_resolver_wait_resolv(conn, &addr);
+
+    connectport = ftpc->newport; /* we connect to the remote port */
+
+    if(!addr) {
+      failf(data, "Can't resolve new host %s:%hu", ftpc->newhost, connectport);
+      return CURLE_FTP_CANT_GET_HOST;
+    }
+  }
+
+  conn->bits.tcpconnect[SECONDARYSOCKET] = FALSE;
+  result = Curl_connecthost(conn, addr);
+
+  if(result) {
+    Curl_resolv_unlock(data, addr); /* we're done using this address */
+    if(ftpc->count1 == 0 && ftpcode == 229)
+      return ftp_epsv_disable(conn);
+
+    return result;
+  }
+
+
+  /*
+   * When this is used from the multi interface, this might've returned with
+   * the 'connected' set to FALSE and thus we are now awaiting a non-blocking
+   * connect to connect.
+   */
+
+  if(data->set.verbose)
+    /* this just dumps information about this second connection */
+    ftp_pasv_verbose(conn, addr->addr, ftpc->newhost, connectport);
+
+  Curl_resolv_unlock(data, addr); /* we're done using this address */
+
+  Curl_safefree(conn->secondaryhostname);
+  conn->secondary_port = ftpc->newport;
+  conn->secondaryhostname = strdup(ftpc->newhost);
+  if(!conn->secondaryhostname)
+    return CURLE_OUT_OF_MEMORY;
+
+  conn->bits.do_more = TRUE;
+  state(conn, FTP_STOP); /* this phase is completed */
+
+  return result;
+}
+
+static CURLcode ftp_state_port_resp(struct connectdata *conn,
+                                    int ftpcode)
+{
+  struct Curl_easy *data = conn->data;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  ftpport fcmd = (ftpport)ftpc->count1;
+  CURLcode result = CURLE_OK;
+
+  /* The FTP spec tells a positive response should have code 200.
+     Be more permissive here to tolerate deviant servers. */
+  if(ftpcode / 100 != 2) {
+    /* the command failed */
+
+    if(EPRT == fcmd) {
+      infof(data, "disabling EPRT usage\n");
+      conn->bits.ftp_use_eprt = FALSE;
+    }
+    fcmd++;
+
+    if(fcmd == DONE) {
+      failf(data, "Failed to do PORT");
+      result = CURLE_FTP_PORT_FAILED;
+    }
+    else
+      /* try next */
+      result = ftp_state_use_port(conn, fcmd);
+  }
+  else {
+    infof(data, "Connect data stream actively\n");
+    state(conn, FTP_STOP); /* end of DO phase */
+    result = ftp_dophase_done(conn, FALSE);
+  }
+
+  return result;
+}
+
+static CURLcode ftp_state_mdtm_resp(struct connectdata *conn,
+                                    int ftpcode)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct FTP *ftp = data->req.protop;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+
+  switch(ftpcode) {
+  case 213:
+    {
+      /* we got a time. Format should be: "YYYYMMDDHHMMSS[.sss]" where the
+         last .sss part is optional and means fractions of a second */
+      int year, month, day, hour, minute, second;
+      if(6 == sscanf(&data->state.buffer[4], "%04d%02d%02d%02d%02d%02d",
+                     &year, &month, &day, &hour, &minute, &second)) {
+        /* we have a time, reformat it */
+        char timebuf[24];
+        time_t secs = time(NULL);
+
+        msnprintf(timebuf, sizeof(timebuf),
+                  "%04d%02d%02d %02d:%02d:%02d GMT",
+                  year, month, day, hour, minute, second);
+        /* now, convert this into a time() value: */
+        data->info.filetime = curl_getdate(timebuf, &secs);
+      }
+
+#ifdef CURL_FTP_HTTPSTYLE_HEAD
+      /* If we asked for a time of the file and we actually got one as well,
+         we "emulate" a HTTP-style header in our output. */
+
+      if(data->set.opt_no_body &&
+         ftpc->file &&
+         data->set.get_filetime &&
+         (data->info.filetime >= 0) ) {
+        char headerbuf[128];
+        time_t filetime = data->info.filetime;
+        struct tm buffer;
+        const struct tm *tm = &buffer;
+
+        result = Curl_gmtime(filetime, &buffer);
+        if(result)
+          return result;
+
+        /* format: "Tue, 15 Nov 1994 12:45:26" */
+        msnprintf(headerbuf, sizeof(headerbuf),
+                  "Last-Modified: %s, %02d %s %4d %02d:%02d:%02d GMT\r\n",
+                  Curl_wkday[tm->tm_wday?tm->tm_wday-1:6],
+                  tm->tm_mday,
+                  Curl_month[tm->tm_mon],
+                  tm->tm_year + 1900,
+                  tm->tm_hour,
+                  tm->tm_min,
+                  tm->tm_sec);
+        result = Curl_client_write(conn, CLIENTWRITE_BOTH, headerbuf, 0);
+        if(result)
+          return result;
+      } /* end of a ridiculous amount of conditionals */
+#endif
+    }
+    break;
+  default:
+    infof(data, "unsupported MDTM reply format\n");
+    break;
+  case 550: /* "No such file or directory" */
+    failf(data, "Given file does not exist");
+    result = CURLE_FTP_COULDNT_RETR_FILE;
+    break;
+  }
+
+  if(data->set.timecondition) {
+    if((data->info.filetime > 0) && (data->set.timevalue > 0)) {
+      switch(data->set.timecondition) {
+      case CURL_TIMECOND_IFMODSINCE:
+      default:
+        if(data->info.filetime <= data->set.timevalue) {
+          infof(data, "The requested document is not new enough\n");
+          ftp->transfer = FTPTRANSFER_NONE; /* mark to not transfer data */
+          data->info.timecond = TRUE;
+          state(conn, FTP_STOP);
+          return CURLE_OK;
+        }
+        break;
+      case CURL_TIMECOND_IFUNMODSINCE:
+        if(data->info.filetime > data->set.timevalue) {
+          infof(data, "The requested document is not old enough\n");
+          ftp->transfer = FTPTRANSFER_NONE; /* mark to not transfer data */
+          data->info.timecond = TRUE;
+          state(conn, FTP_STOP);
+          return CURLE_OK;
+        }
+        break;
+      } /* switch */
+    }
+    else {
+      infof(data, "Skipping time comparison\n");
+    }
+  }
+
+  if(!result)
+    result = ftp_state_type(conn);
+
+  return result;
+}
+
+static CURLcode ftp_state_type_resp(struct connectdata *conn,
+                                    int ftpcode,
+                                    ftpstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  if(ftpcode/100 != 2) {
+    /* "sasserftpd" and "(u)r(x)bot ftpd" both responds with 226 after a
+       successful 'TYPE I'. While that is not as RFC959 says, it is still a
+       positive response code and we allow that. */
+    failf(data, "Couldn't set desired mode");
+    return CURLE_FTP_COULDNT_SET_TYPE;
+  }
+  if(ftpcode != 200)
+    infof(data, "Got a %03d response code instead of the assumed 200\n",
+          ftpcode);
+
+  if(instate == FTP_TYPE)
+    result = ftp_state_size(conn);
+  else if(instate == FTP_LIST_TYPE)
+    result = ftp_state_list(conn);
+  else if(instate == FTP_RETR_TYPE)
+    result = ftp_state_retr_prequote(conn);
+  else if(instate == FTP_STOR_TYPE)
+    result = ftp_state_stor_prequote(conn);
+
+  return result;
+}
+
+static CURLcode ftp_state_retr(struct connectdata *conn,
+                                         curl_off_t filesize)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct FTP *ftp = data->req.protop;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+
+  if(data->set.max_filesize && (filesize > data->set.max_filesize)) {
+    failf(data, "Maximum file size exceeded");
+    return CURLE_FILESIZE_EXCEEDED;
+  }
+  ftp->downloadsize = filesize;
+
+  if(data->state.resume_from) {
+    /* We always (attempt to) get the size of downloads, so it is done before
+       this even when not doing resumes. */
+    if(filesize == -1) {
+      infof(data, "ftp server doesn't support SIZE\n");
+      /* We couldn't get the size and therefore we can't know if there really
+         is a part of the file left to get, although the server will just
+         close the connection when we start the connection so it won't cause
+         us any harm, just not make us exit as nicely. */
+    }
+    else {
+      /* We got a file size report, so we check that there actually is a
+         part of the file left to get, or else we go home.  */
+      if(data->state.resume_from< 0) {
+        /* We're supposed to download the last abs(from) bytes */
+        if(filesize < -data->state.resume_from) {
+          failf(data, "Offset (%" CURL_FORMAT_CURL_OFF_T
+                ") was beyond file size (%" CURL_FORMAT_CURL_OFF_T ")",
+                data->state.resume_from, filesize);
+          return CURLE_BAD_DOWNLOAD_RESUME;
+        }
+        /* convert to size to download */
+        ftp->downloadsize = -data->state.resume_from;
+        /* download from where? */
+        data->state.resume_from = filesize - ftp->downloadsize;
+      }
+      else {
+        if(filesize < data->state.resume_from) {
+          failf(data, "Offset (%" CURL_FORMAT_CURL_OFF_T
+                ") was beyond file size (%" CURL_FORMAT_CURL_OFF_T ")",
+                data->state.resume_from, filesize);
+          return CURLE_BAD_DOWNLOAD_RESUME;
+        }
+        /* Now store the number of bytes we are expected to download */
+        ftp->downloadsize = filesize-data->state.resume_from;
+      }
+    }
+
+    if(ftp->downloadsize == 0) {
+      /* no data to transfer */
+      Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
+      infof(data, "File already completely downloaded\n");
+
+      /* Set ->transfer so that we won't get any error in ftp_done()
+       * because we didn't transfer the any file */
+      ftp->transfer = FTPTRANSFER_NONE;
+      state(conn, FTP_STOP);
+      return CURLE_OK;
+    }
+
+    /* Set resume file transfer offset */
+    infof(data, "Instructs server to resume from offset %"
+          CURL_FORMAT_CURL_OFF_T "\n", data->state.resume_from);
+
+    PPSENDF(&ftpc->pp, "REST %" CURL_FORMAT_CURL_OFF_T,
+            data->state.resume_from);
+
+    state(conn, FTP_RETR_REST);
+  }
+  else {
+    /* no resume */
+    PPSENDF(&ftpc->pp, "RETR %s", ftpc->file);
+    state(conn, FTP_RETR);
+  }
+
+  return result;
+}
+
+static CURLcode ftp_state_size_resp(struct connectdata *conn,
+                                    int ftpcode,
+                                    ftpstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  curl_off_t filesize = -1;
+  char *buf = data->state.buffer;
+
+  /* get the size from the ascii string: */
+  if(ftpcode == 213)
+    /* ignores parsing errors, which will make the size remain unknown */
+    (void)curlx_strtoofft(buf + 4, NULL, 0, &filesize);
+
+  if(instate == FTP_SIZE) {
+#ifdef CURL_FTP_HTTPSTYLE_HEAD
+    if(-1 != filesize) {
+      char clbuf[128];
+      msnprintf(clbuf, sizeof(clbuf),
+                "Content-Length: %" CURL_FORMAT_CURL_OFF_T "\r\n", filesize);
+      result = Curl_client_write(conn, CLIENTWRITE_BOTH, clbuf, 0);
+      if(result)
+        return result;
+    }
+#endif
+    Curl_pgrsSetDownloadSize(data, filesize);
+    result = ftp_state_rest(conn);
+  }
+  else if(instate == FTP_RETR_SIZE) {
+    Curl_pgrsSetDownloadSize(data, filesize);
+    result = ftp_state_retr(conn, filesize);
+  }
+  else if(instate == FTP_STOR_SIZE) {
+    data->state.resume_from = filesize;
+    result = ftp_state_ul_setup(conn, TRUE);
+  }
+
+  return result;
+}
+
+static CURLcode ftp_state_rest_resp(struct connectdata *conn,
+                                    int ftpcode,
+                                    ftpstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+
+  switch(instate) {
+  case FTP_REST:
+  default:
+#ifdef CURL_FTP_HTTPSTYLE_HEAD
+    if(ftpcode == 350) {
+      char buffer[24]= { "Accept-ranges: bytes\r\n" };
+      result = Curl_client_write(conn, CLIENTWRITE_BOTH, buffer, 0);
+      if(result)
+        return result;
+    }
+#endif
+    result = ftp_state_prepare_transfer(conn);
+    break;
+
+  case FTP_RETR_REST:
+    if(ftpcode != 350) {
+      failf(conn->data, "Couldn't use REST");
+      result = CURLE_FTP_COULDNT_USE_REST;
+    }
+    else {
+      PPSENDF(&ftpc->pp, "RETR %s", ftpc->file);
+      state(conn, FTP_RETR);
+    }
+    break;
+  }
+
+  return result;
+}
+
+static CURLcode ftp_state_stor_resp(struct connectdata *conn,
+                                    int ftpcode, ftpstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  if(ftpcode >= 400) {
+    failf(data, "Failed FTP upload: %0d", ftpcode);
+    state(conn, FTP_STOP);
+    /* oops, we never close the sockets! */
+    return CURLE_UPLOAD_FAILED;
+  }
+
+  conn->proto.ftpc.state_saved = instate;
+
+  /* PORT means we are now awaiting the server to connect to us. */
+  if(data->set.ftp_use_port) {
+    bool connected;
+
+    state(conn, FTP_STOP); /* no longer in STOR state */
+
+    result = AllowServerConnect(conn, &connected);
+    if(result)
+      return result;
+
+    if(!connected) {
+      struct ftp_conn *ftpc = &conn->proto.ftpc;
+      infof(data, "Data conn was not available immediately\n");
+      ftpc->wait_data_conn = TRUE;
+    }
+
+    return CURLE_OK;
+  }
+  return InitiateTransfer(conn);
+}
+
+/* for LIST and RETR responses */
+static CURLcode ftp_state_get_resp(struct connectdata *conn,
+                                    int ftpcode,
+                                    ftpstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct FTP *ftp = data->req.protop;
+
+  if((ftpcode == 150) || (ftpcode == 125)) {
+
+    /*
+      A;
+      150 Opening BINARY mode data connection for /etc/passwd (2241
+      bytes).  (ok, the file is being transferred)
+
+      B:
+      150 Opening ASCII mode data connection for /bin/ls
+
+      C:
+      150 ASCII data connection for /bin/ls (137.167.104.91,37445) (0 bytes).
+
+      D:
+      150 Opening ASCII mode data connection for [file] (0.0.0.0,0) (545 bytes)
+
+      E:
+      125 Data connection already open; Transfer starting. */
+
+    curl_off_t size = -1; /* default unknown size */
+
+
+    /*
+     * It appears that there are FTP-servers that return size 0 for files when
+     * SIZE is used on the file while being in BINARY mode. To work around
+     * that (stupid) behavior, we attempt to parse the RETR response even if
+     * the SIZE returned size zero.
+     *
+     * Debugging help from Salvatore Sorrentino on February 26, 2003.
+     */
+
+    if((instate != FTP_LIST) &&
+       !data->set.prefer_ascii &&
+       (ftp->downloadsize < 1)) {
+      /*
+       * It seems directory listings either don't show the size or very
+       * often uses size 0 anyway. ASCII transfers may very well turn out
+       * that the transferred amount of data is not the same as this line
+       * tells, why using this number in those cases only confuses us.
+       *
+       * Example D above makes this parsing a little tricky */
+      char *bytes;
+      char *buf = data->state.buffer;
+      bytes = strstr(buf, " bytes");
+      if(bytes) {
+        long in = (long)(--bytes-buf);
+        /* this is a hint there is size information in there! ;-) */
+        while(--in) {
+          /* scan for the left parenthesis and break there */
+          if('(' == *bytes)
+            break;
+          /* skip only digits */
+          if(!ISDIGIT(*bytes)) {
+            bytes = NULL;
+            break;
+          }
+          /* one more estep backwards */
+          bytes--;
+        }
+        /* if we have nothing but digits: */
+        if(bytes++) {
+          /* get the number! */
+          (void)curlx_strtoofft(bytes, NULL, 0, &size);
+        }
+      }
+    }
+    else if(ftp->downloadsize > -1)
+      size = ftp->downloadsize;
+
+    if(size > data->req.maxdownload && data->req.maxdownload > 0)
+      size = data->req.size = data->req.maxdownload;
+    else if((instate != FTP_LIST) && (data->set.prefer_ascii))
+      size = -1; /* kludge for servers that understate ASCII mode file size */
+
+    infof(data, "Maxdownload = %" CURL_FORMAT_CURL_OFF_T "\n",
+          data->req.maxdownload);
+
+    if(instate != FTP_LIST)
+      infof(data, "Getting file with size: %" CURL_FORMAT_CURL_OFF_T "\n",
+            size);
+
+    /* FTP download: */
+    conn->proto.ftpc.state_saved = instate;
+    conn->proto.ftpc.retr_size_saved = size;
+
+    if(data->set.ftp_use_port) {
+      bool connected;
+
+      result = AllowServerConnect(conn, &connected);
+      if(result)
+        return result;
+
+      if(!connected) {
+        struct ftp_conn *ftpc = &conn->proto.ftpc;
+        infof(data, "Data conn was not available immediately\n");
+        state(conn, FTP_STOP);
+        ftpc->wait_data_conn = TRUE;
+      }
+    }
+    else
+      return InitiateTransfer(conn);
+  }
+  else {
+    if((instate == FTP_LIST) && (ftpcode == 450)) {
+      /* simply no matching files in the dir listing */
+      ftp->transfer = FTPTRANSFER_NONE; /* don't download anything */
+      state(conn, FTP_STOP); /* this phase is over */
+    }
+    else {
+      failf(data, "RETR response: %03d", ftpcode);
+      return instate == FTP_RETR && ftpcode == 550?
+        CURLE_REMOTE_FILE_NOT_FOUND:
+        CURLE_FTP_COULDNT_RETR_FILE;
+    }
+  }
+
+  return result;
+}
+
+/* after USER, PASS and ACCT */
+static CURLcode ftp_state_loggedin(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+
+  if(conn->ssl[FIRSTSOCKET].use) {
+    /* PBSZ = PROTECTION BUFFER SIZE.
+
+    The 'draft-murray-auth-ftp-ssl' (draft 12, page 7) says:
+
+    Specifically, the PROT command MUST be preceded by a PBSZ
+    command and a PBSZ command MUST be preceded by a successful
+    security data exchange (the TLS negotiation in this case)
+
+    ... (and on page 8):
+
+    Thus the PBSZ command must still be issued, but must have a
+    parameter of '0' to indicate that no buffering is taking place
+    and the data connection should not be encapsulated.
+    */
+    PPSENDF(&conn->proto.ftpc.pp, "PBSZ %d", 0);
+    state(conn, FTP_PBSZ);
+  }
+  else {
+    result = ftp_state_pwd(conn);
+  }
+  return result;
+}
+
+/* for USER and PASS responses */
+static CURLcode ftp_state_user_resp(struct connectdata *conn,
+                                    int ftpcode,
+                                    ftpstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct FTP *ftp = data->req.protop;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  (void)instate; /* no use for this yet */
+
+  /* some need password anyway, and others just return 2xx ignored */
+  if((ftpcode == 331) && (ftpc->state == FTP_USER)) {
+    /* 331 Password required for ...
+       (the server requires to send the user's password too) */
+    PPSENDF(&ftpc->pp, "PASS %s", ftp->passwd?ftp->passwd:"");
+    state(conn, FTP_PASS);
+  }
+  else if(ftpcode/100 == 2) {
+    /* 230 User ... logged in.
+       (the user logged in with or without password) */
+    result = ftp_state_loggedin(conn);
+  }
+  else if(ftpcode == 332) {
+    if(data->set.str[STRING_FTP_ACCOUNT]) {
+      PPSENDF(&ftpc->pp, "ACCT %s", data->set.str[STRING_FTP_ACCOUNT]);
+      state(conn, FTP_ACCT);
+    }
+    else {
+      failf(data, "ACCT requested but none available");
+      result = CURLE_LOGIN_DENIED;
+    }
+  }
+  else {
+    /* All other response codes, like:
+
+    530 User ... access denied
+    (the server denies to log the specified user) */
+
+    if(conn->data->set.str[STRING_FTP_ALTERNATIVE_TO_USER] &&
+        !conn->data->state.ftp_trying_alternative) {
+      /* Ok, USER failed.  Let's try the supplied command. */
+      PPSENDF(&conn->proto.ftpc.pp, "%s",
+              conn->data->set.str[STRING_FTP_ALTERNATIVE_TO_USER]);
+      conn->data->state.ftp_trying_alternative = TRUE;
+      state(conn, FTP_USER);
+      result = CURLE_OK;
+    }
+    else {
+      failf(data, "Access denied: %03d", ftpcode);
+      result = CURLE_LOGIN_DENIED;
+    }
+  }
+  return result;
+}
+
+/* for ACCT response */
+static CURLcode ftp_state_acct_resp(struct connectdata *conn,
+                                    int ftpcode)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  if(ftpcode != 230) {
+    failf(data, "ACCT rejected by server: %03d", ftpcode);
+    result = CURLE_FTP_WEIRD_PASS_REPLY; /* FIX */
+  }
+  else
+    result = ftp_state_loggedin(conn);
+
+  return result;
+}
+
+
+static CURLcode ftp_statemach_act(struct connectdata *conn)
+{
+  CURLcode result;
+  curl_socket_t sock = conn->sock[FIRSTSOCKET];
+  struct Curl_easy *data = conn->data;
+  int ftpcode;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  struct pingpong *pp = &ftpc->pp;
+  static const char ftpauth[][4]  = { "SSL", "TLS" };
+  size_t nread = 0;
+
+  if(pp->sendleft)
+    return Curl_pp_flushsend(pp);
+
+  result = ftp_readresp(sock, pp, &ftpcode, &nread);
+  if(result)
+    return result;
+
+  if(ftpcode) {
+    /* we have now received a full FTP server response */
+    switch(ftpc->state) {
+    case FTP_WAIT220:
+      if(ftpcode == 230)
+        /* 230 User logged in - already! */
+        return ftp_state_user_resp(conn, ftpcode, ftpc->state);
+      else if(ftpcode != 220) {
+        failf(data, "Got a %03d ftp-server response when 220 was expected",
+              ftpcode);
+        return CURLE_WEIRD_SERVER_REPLY;
+      }
+
+      /* We have received a 220 response fine, now we proceed. */
+#ifdef HAVE_GSSAPI
+      if(data->set.krb) {
+        /* If not anonymous login, try a secure login. Note that this
+           procedure is still BLOCKING. */
+
+        Curl_sec_request_prot(conn, "private");
+        /* We set private first as default, in case the line below fails to
+           set a valid level */
+        Curl_sec_request_prot(conn, data->set.str[STRING_KRB_LEVEL]);
+
+        if(Curl_sec_login(conn))
+          infof(data, "Logging in with password in cleartext!\n");
+        else
+          infof(data, "Authentication successful\n");
+      }
+#endif
+
+      if(data->set.use_ssl &&
+         (!conn->ssl[FIRSTSOCKET].use ||
+          (conn->bits.proxy_ssl_connected[FIRSTSOCKET] &&
+           !conn->proxy_ssl[FIRSTSOCKET].use))) {
+        /* We don't have a SSL/TLS connection yet, but FTPS is
+           requested. Try a FTPS connection now */
+
+        ftpc->count3 = 0;
+        switch(data->set.ftpsslauth) {
+        case CURLFTPAUTH_DEFAULT:
+        case CURLFTPAUTH_SSL:
+          ftpc->count2 = 1; /* add one to get next */
+          ftpc->count1 = 0;
+          break;
+        case CURLFTPAUTH_TLS:
+          ftpc->count2 = -1; /* subtract one to get next */
+          ftpc->count1 = 1;
+          break;
+        default:
+          failf(data, "unsupported parameter to CURLOPT_FTPSSLAUTH: %d",
+                (int)data->set.ftpsslauth);
+          return CURLE_UNKNOWN_OPTION; /* we don't know what to do */
+        }
+        PPSENDF(&ftpc->pp, "AUTH %s", ftpauth[ftpc->count1]);
+        state(conn, FTP_AUTH);
+      }
+      else {
+        result = ftp_state_user(conn);
+        if(result)
+          return result;
+      }
+
+      break;
+
+    case FTP_AUTH:
+      /* we have gotten the response to a previous AUTH command */
+
+      /* RFC2228 (page 5) says:
+       *
+       * If the server is willing to accept the named security mechanism,
+       * and does not require any security data, it must respond with
+       * reply code 234/334.
+       */
+
+      if((ftpcode == 234) || (ftpcode == 334)) {
+        /* Curl_ssl_connect is BLOCKING */
+        result = Curl_ssl_connect(conn, FIRSTSOCKET);
+        if(!result) {
+          conn->bits.ftp_use_data_ssl = FALSE; /* clear-text data */
+          result = ftp_state_user(conn);
+        }
+      }
+      else if(ftpc->count3 < 1) {
+        ftpc->count3++;
+        ftpc->count1 += ftpc->count2; /* get next attempt */
+        result = Curl_pp_sendf(&ftpc->pp, "AUTH %s", ftpauth[ftpc->count1]);
+        /* remain in this same state */
+      }
+      else {
+        if(data->set.use_ssl > CURLUSESSL_TRY)
+          /* we failed and CURLUSESSL_CONTROL or CURLUSESSL_ALL is set */
+          result = CURLE_USE_SSL_FAILED;
+        else
+          /* ignore the failure and continue */
+          result = ftp_state_user(conn);
+      }
+
+      if(result)
+        return result;
+      break;
+
+    case FTP_USER:
+    case FTP_PASS:
+      result = ftp_state_user_resp(conn, ftpcode, ftpc->state);
+      break;
+
+    case FTP_ACCT:
+      result = ftp_state_acct_resp(conn, ftpcode);
+      break;
+
+    case FTP_PBSZ:
+      PPSENDF(&ftpc->pp, "PROT %c",
+              data->set.use_ssl == CURLUSESSL_CONTROL ? 'C' : 'P');
+      state(conn, FTP_PROT);
+
+      break;
+
+    case FTP_PROT:
+      if(ftpcode/100 == 2)
+        /* We have enabled SSL for the data connection! */
+        conn->bits.ftp_use_data_ssl =
+          (data->set.use_ssl != CURLUSESSL_CONTROL) ? TRUE : FALSE;
+      /* FTP servers typically responds with 500 if they decide to reject
+         our 'P' request */
+      else if(data->set.use_ssl > CURLUSESSL_CONTROL)
+        /* we failed and bails out */
+        return CURLE_USE_SSL_FAILED;
+
+      if(data->set.ftp_ccc) {
+        /* CCC - Clear Command Channel
+         */
+        PPSENDF(&ftpc->pp, "%s", "CCC");
+        state(conn, FTP_CCC);
+      }
+      else {
+        result = ftp_state_pwd(conn);
+        if(result)
+          return result;
+      }
+      break;
+
+    case FTP_CCC:
+      if(ftpcode < 500) {
+        /* First shut down the SSL layer (note: this call will block) */
+        result = Curl_ssl_shutdown(conn, FIRSTSOCKET);
+
+        if(result) {
+          failf(conn->data, "Failed to clear the command channel (CCC)");
+          return result;
+        }
+      }
+
+      /* Then continue as normal */
+      result = ftp_state_pwd(conn);
+      if(result)
+        return result;
+      break;
+
+    case FTP_PWD:
+      if(ftpcode == 257) {
+        char *ptr = &data->state.buffer[4];  /* start on the first letter */
+        const size_t buf_size = data->set.buffer_size;
+        char *dir;
+        bool entry_extracted = FALSE;
+
+        dir = malloc(nread + 1);
+        if(!dir)
+          return CURLE_OUT_OF_MEMORY;
+
+        /* Reply format is like
+           257<space>[rubbish]"<directory-name>"<space><commentary> and the
+           RFC959 says
+
+           The directory name can contain any character; embedded
+           double-quotes should be escaped by double-quotes (the
+           "quote-doubling" convention).
+        */
+
+        /* scan for the first double-quote for non-standard responses */
+        while(ptr < &data->state.buffer[buf_size]
+              && *ptr != '\n' && *ptr != '\0' && *ptr != '"')
+          ptr++;
+
+        if('\"' == *ptr) {
+          /* it started good */
+          char *store;
+          ptr++;
+          for(store = dir; *ptr;) {
+            if('\"' == *ptr) {
+              if('\"' == ptr[1]) {
+                /* "quote-doubling" */
+                *store = ptr[1];
+                ptr++;
+              }
+              else {
+                /* end of path */
+                entry_extracted = TRUE;
+                break; /* get out of this loop */
+              }
+            }
+            else
+              *store = *ptr;
+            store++;
+            ptr++;
+          }
+          *store = '\0'; /* zero terminate */
+        }
+        if(entry_extracted) {
+          /* If the path name does not look like an absolute path (i.e.: it
+             does not start with a '/'), we probably need some server-dependent
+             adjustments. For example, this is the case when connecting to
+             an OS400 FTP server: this server supports two name syntaxes,
+             the default one being incompatible with standard paths. In
+             addition, this server switches automatically to the regular path
+             syntax when one is encountered in a command: this results in
+             having an entrypath in the wrong syntax when later used in CWD.
+               The method used here is to check the server OS: we do it only
+             if the path name looks strange to minimize overhead on other
+             systems. */
+
+          if(!ftpc->server_os && dir[0] != '/') {
+
+            result = Curl_pp_sendf(&ftpc->pp, "%s", "SYST");
+            if(result) {
+              free(dir);
+              return result;
+            }
+            Curl_safefree(ftpc->entrypath);
+            ftpc->entrypath = dir; /* remember this */
+            infof(data, "Entry path is '%s'\n", ftpc->entrypath);
+            /* also save it where getinfo can access it: */
+            data->state.most_recent_ftp_entrypath = ftpc->entrypath;
+            state(conn, FTP_SYST);
+            break;
+          }
+
+          Curl_safefree(ftpc->entrypath);
+          ftpc->entrypath = dir; /* remember this */
+          infof(data, "Entry path is '%s'\n", ftpc->entrypath);
+          /* also save it where getinfo can access it: */
+          data->state.most_recent_ftp_entrypath = ftpc->entrypath;
+        }
+        else {
+          /* couldn't get the path */
+          free(dir);
+          infof(data, "Failed to figure out path\n");
+        }
+      }
+      state(conn, FTP_STOP); /* we are done with the CONNECT phase! */
+      DEBUGF(infof(data, "protocol connect phase DONE\n"));
+      break;
+
+    case FTP_SYST:
+      if(ftpcode == 215) {
+        char *ptr = &data->state.buffer[4];  /* start on the first letter */
+        char *os;
+        char *store;
+
+        os = malloc(nread + 1);
+        if(!os)
+          return CURLE_OUT_OF_MEMORY;
+
+        /* Reply format is like
+           215<space><OS-name><space><commentary>
+        */
+        while(*ptr == ' ')
+          ptr++;
+        for(store = os; *ptr && *ptr != ' ';)
+          *store++ = *ptr++;
+        *store = '\0'; /* zero terminate */
+
+        /* Check for special servers here. */
+
+        if(strcasecompare(os, "OS/400")) {
+          /* Force OS400 name format 1. */
+          result = Curl_pp_sendf(&ftpc->pp, "%s", "SITE NAMEFMT 1");
+          if(result) {
+            free(os);
+            return result;
+          }
+          /* remember target server OS */
+          Curl_safefree(ftpc->server_os);
+          ftpc->server_os = os;
+          state(conn, FTP_NAMEFMT);
+          break;
+        }
+        /* Nothing special for the target server. */
+        /* remember target server OS */
+        Curl_safefree(ftpc->server_os);
+        ftpc->server_os = os;
+      }
+      else {
+        /* Cannot identify server OS. Continue anyway and cross fingers. */
+      }
+
+      state(conn, FTP_STOP); /* we are done with the CONNECT phase! */
+      DEBUGF(infof(data, "protocol connect phase DONE\n"));
+      break;
+
+    case FTP_NAMEFMT:
+      if(ftpcode == 250) {
+        /* Name format change successful: reload initial path. */
+        ftp_state_pwd(conn);
+        break;
+      }
+
+      state(conn, FTP_STOP); /* we are done with the CONNECT phase! */
+      DEBUGF(infof(data, "protocol connect phase DONE\n"));
+      break;
+
+    case FTP_QUOTE:
+    case FTP_POSTQUOTE:
+    case FTP_RETR_PREQUOTE:
+    case FTP_STOR_PREQUOTE:
+      if((ftpcode >= 400) && !ftpc->count2) {
+        /* failure response code, and not allowed to fail */
+        failf(conn->data, "QUOT command failed with %03d", ftpcode);
+        return CURLE_QUOTE_ERROR;
+      }
+      result = ftp_state_quote(conn, FALSE, ftpc->state);
+      if(result)
+        return result;
+
+      break;
+
+    case FTP_CWD:
+      if(ftpcode/100 != 2) {
+        /* failure to CWD there */
+        if(conn->data->set.ftp_create_missing_dirs &&
+           ftpc->cwdcount && !ftpc->count2) {
+          /* try making it */
+          ftpc->count2++; /* counter to prevent CWD-MKD loops */
+          PPSENDF(&ftpc->pp, "MKD %s", ftpc->dirs[ftpc->cwdcount - 1]);
+          state(conn, FTP_MKD);
+        }
+        else {
+          /* return failure */
+          failf(data, "Server denied you to change to the given directory");
+          ftpc->cwdfail = TRUE; /* don't remember this path as we failed
+                                   to enter it */
+          return CURLE_REMOTE_ACCESS_DENIED;
+        }
+      }
+      else {
+        /* success */
+        ftpc->count2 = 0;
+        if(++ftpc->cwdcount <= ftpc->dirdepth) {
+          /* send next CWD */
+          PPSENDF(&ftpc->pp, "CWD %s", ftpc->dirs[ftpc->cwdcount - 1]);
+        }
+        else {
+          result = ftp_state_mdtm(conn);
+          if(result)
+            return result;
+        }
+      }
+      break;
+
+    case FTP_MKD:
+      if((ftpcode/100 != 2) && !ftpc->count3--) {
+        /* failure to MKD the dir */
+        failf(data, "Failed to MKD dir: %03d", ftpcode);
+        return CURLE_REMOTE_ACCESS_DENIED;
+      }
+      state(conn, FTP_CWD);
+      /* send CWD */
+      PPSENDF(&ftpc->pp, "CWD %s", ftpc->dirs[ftpc->cwdcount - 1]);
+      break;
+
+    case FTP_MDTM:
+      result = ftp_state_mdtm_resp(conn, ftpcode);
+      break;
+
+    case FTP_TYPE:
+    case FTP_LIST_TYPE:
+    case FTP_RETR_TYPE:
+    case FTP_STOR_TYPE:
+      result = ftp_state_type_resp(conn, ftpcode, ftpc->state);
+      break;
+
+    case FTP_SIZE:
+    case FTP_RETR_SIZE:
+    case FTP_STOR_SIZE:
+      result = ftp_state_size_resp(conn, ftpcode, ftpc->state);
+      break;
+
+    case FTP_REST:
+    case FTP_RETR_REST:
+      result = ftp_state_rest_resp(conn, ftpcode, ftpc->state);
+      break;
+
+    case FTP_PRET:
+      if(ftpcode != 200) {
+        /* there only is this one standard OK return code. */
+        failf(data, "PRET command not accepted: %03d", ftpcode);
+        return CURLE_FTP_PRET_FAILED;
+      }
+      result = ftp_state_use_pasv(conn);
+      break;
+
+    case FTP_PASV:
+      result = ftp_state_pasv_resp(conn, ftpcode);
+      break;
+
+    case FTP_PORT:
+      result = ftp_state_port_resp(conn, ftpcode);
+      break;
+
+    case FTP_LIST:
+    case FTP_RETR:
+      result = ftp_state_get_resp(conn, ftpcode, ftpc->state);
+      break;
+
+    case FTP_STOR:
+      result = ftp_state_stor_resp(conn, ftpcode, ftpc->state);
+      break;
+
+    case FTP_QUIT:
+      /* fallthrough, just stop! */
+    default:
+      /* internal error */
+      state(conn, FTP_STOP);
+      break;
+    }
+  } /* if(ftpcode) */
+
+  return result;
+}
+
+
+/* called repeatedly until done from multi.c */
+static CURLcode ftp_multi_statemach(struct connectdata *conn,
+                                    bool *done)
+{
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  CURLcode result = Curl_pp_statemach(&ftpc->pp, FALSE, FALSE);
+
+  /* Check for the state outside of the Curl_socket_check() return code checks
+     since at times we are in fact already in this state when this function
+     gets called. */
+  *done = (ftpc->state == FTP_STOP) ? TRUE : FALSE;
+
+  return result;
+}
+
+static CURLcode ftp_block_statemach(struct connectdata *conn)
+{
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  struct pingpong *pp = &ftpc->pp;
+  CURLcode result = CURLE_OK;
+
+  while(ftpc->state != FTP_STOP) {
+    result = Curl_pp_statemach(pp, TRUE, TRUE /* disconnecting */);
+    if(result)
+      break;
+  }
+
+  return result;
+}
+
+/*
+ * ftp_connect() should do everything that is to be considered a part of
+ * the connection phase.
+ *
+ * The variable 'done' points to will be TRUE if the protocol-layer connect
+ * phase is done when this function returns, or FALSE if not.
+ *
+ */
+static CURLcode ftp_connect(struct connectdata *conn,
+                                 bool *done) /* see description above */
+{
+  CURLcode result;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  struct pingpong *pp = &ftpc->pp;
+
+  *done = FALSE; /* default to not done yet */
+
+  /* We always support persistent connections on ftp */
+  connkeep(conn, "FTP default");
+
+  pp->response_time = RESP_TIMEOUT; /* set default response time-out */
+  pp->statemach_act = ftp_statemach_act;
+  pp->endofresp = ftp_endofresp;
+  pp->conn = conn;
+
+  if(conn->handler->flags & PROTOPT_SSL) {
+    /* BLOCKING */
+    result = Curl_ssl_connect(conn, FIRSTSOCKET);
+    if(result)
+      return result;
+  }
+
+  Curl_pp_init(pp); /* init the generic pingpong data */
+
+  /* When we connect, we start in the state where we await the 220
+     response */
+  state(conn, FTP_WAIT220);
+
+  result = ftp_multi_statemach(conn, done);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * ftp_done()
+ *
+ * The DONE function. This does what needs to be done after a single DO has
+ * performed.
+ *
+ * Input argument is already checked for validity.
+ */
+static CURLcode ftp_done(struct connectdata *conn, CURLcode status,
+                         bool premature)
+{
+  struct Curl_easy *data = conn->data;
+  struct FTP *ftp = data->req.protop;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  struct pingpong *pp = &ftpc->pp;
+  ssize_t nread;
+  int ftpcode;
+  CURLcode result = CURLE_OK;
+  char *path = NULL;
+
+  if(!ftp)
+    return CURLE_OK;
+
+  switch(status) {
+  case CURLE_BAD_DOWNLOAD_RESUME:
+  case CURLE_FTP_WEIRD_PASV_REPLY:
+  case CURLE_FTP_PORT_FAILED:
+  case CURLE_FTP_ACCEPT_FAILED:
+  case CURLE_FTP_ACCEPT_TIMEOUT:
+  case CURLE_FTP_COULDNT_SET_TYPE:
+  case CURLE_FTP_COULDNT_RETR_FILE:
+  case CURLE_PARTIAL_FILE:
+  case CURLE_UPLOAD_FAILED:
+  case CURLE_REMOTE_ACCESS_DENIED:
+  case CURLE_FILESIZE_EXCEEDED:
+  case CURLE_REMOTE_FILE_NOT_FOUND:
+  case CURLE_WRITE_ERROR:
+    /* the connection stays alive fine even though this happened */
+    /* fall-through */
+  case CURLE_OK: /* doesn't affect the control connection's status */
+    if(!premature)
+      break;
+
+    /* until we cope better with prematurely ended requests, let them
+     * fallback as if in complete failure */
+    /* FALLTHROUGH */
+  default:       /* by default, an error means the control connection is
+                    wedged and should not be used anymore */
+    ftpc->ctl_valid = FALSE;
+    ftpc->cwdfail = TRUE; /* set this TRUE to prevent us to remember the
+                             current path, as this connection is going */
+    connclose(conn, "FTP ended with bad error code");
+    result = status;      /* use the already set error code */
+    break;
+  }
+
+  /* now store a copy of the directory we are in */
+  free(ftpc->prevpath);
+
+  if(data->state.wildcardmatch) {
+    if(data->set.chunk_end && ftpc->file) {
+      Curl_set_in_callback(data, true);
+      data->set.chunk_end(data->wildcard.customptr);
+      Curl_set_in_callback(data, false);
+    }
+    ftpc->known_filesize = -1;
+  }
+
+  if(!result)
+    /* get the "raw" path */
+    result = Curl_urldecode(data, ftp->path, 0, &path, NULL, TRUE);
+  if(result) {
+    /* We can limp along anyway (and should try to since we may already be in
+     * the error path) */
+    ftpc->ctl_valid = FALSE; /* mark control connection as bad */
+    connclose(conn, "FTP: out of memory!"); /* mark for connection closure */
+    ftpc->prevpath = NULL; /* no path remembering */
+  }
+  else {
+    size_t flen = ftpc->file?strlen(ftpc->file):0; /* file is "raw" already */
+    size_t dlen = strlen(path)-flen;
+    if(!ftpc->cwdfail) {
+      ftpc->prevmethod = data->set.ftp_filemethod;
+      if(dlen && (data->set.ftp_filemethod != FTPFILE_NOCWD)) {
+        ftpc->prevpath = path;
+        if(flen)
+          /* if 'path' is not the whole string */
+          ftpc->prevpath[dlen] = 0; /* terminate */
+      }
+      else {
+        free(path);
+        /* we never changed dir */
+        ftpc->prevpath = strdup("");
+        if(!ftpc->prevpath)
+          return CURLE_OUT_OF_MEMORY;
+      }
+      if(ftpc->prevpath)
+        infof(data, "Remembering we are in dir \"%s\"\n", ftpc->prevpath);
+    }
+    else {
+      ftpc->prevpath = NULL; /* no path */
+      free(path);
+    }
+  }
+  /* free the dir tree and file parts */
+  freedirs(ftpc);
+
+  /* shut down the socket to inform the server we're done */
+
+#ifdef _WIN32_WCE
+  shutdown(conn->sock[SECONDARYSOCKET], 2);  /* SD_BOTH */
+#endif
+
+  if(conn->sock[SECONDARYSOCKET] != CURL_SOCKET_BAD) {
+    if(!result && ftpc->dont_check && data->req.maxdownload > 0) {
+      /* partial download completed */
+      result = Curl_pp_sendf(pp, "%s", "ABOR");
+      if(result) {
+        failf(data, "Failure sending ABOR command: %s",
+              curl_easy_strerror(result));
+        ftpc->ctl_valid = FALSE; /* mark control connection as bad */
+        connclose(conn, "ABOR command failed"); /* connection closure */
+      }
+    }
+
+    if(conn->ssl[SECONDARYSOCKET].use) {
+      /* The secondary socket is using SSL so we must close down that part
+         first before we close the socket for real */
+      Curl_ssl_close(conn, SECONDARYSOCKET);
+
+      /* Note that we keep "use" set to TRUE since that (next) connection is
+         still requested to use SSL */
+    }
+    close_secondarysocket(conn);
+  }
+
+  if(!result && (ftp->transfer == FTPTRANSFER_BODY) && ftpc->ctl_valid &&
+     pp->pending_resp && !premature) {
+    /*
+     * Let's see what the server says about the transfer we just performed,
+     * but lower the timeout as sometimes this connection has died while the
+     * data has been transferred. This happens when doing through NATs etc that
+     * abandon old silent connections.
+     */
+    long old_time = pp->response_time;
+
+    pp->response_time = 60*1000; /* give it only a minute for now */
+    pp->response = Curl_now(); /* timeout relative now */
+
+    result = Curl_GetFTPResponse(&nread, conn, &ftpcode);
+
+    pp->response_time = old_time; /* set this back to previous value */
+
+    if(!nread && (CURLE_OPERATION_TIMEDOUT == result)) {
+      failf(data, "control connection looks dead");
+      ftpc->ctl_valid = FALSE; /* mark control connection as bad */
+      connclose(conn, "Timeout or similar in FTP DONE operation"); /* close */
+    }
+
+    if(result)
+      return result;
+
+    if(ftpc->dont_check && data->req.maxdownload > 0) {
+      /* we have just sent ABOR and there is no reliable way to check if it was
+       * successful or not; we have to close the connection now */
+      infof(data, "partial download completed, closing connection\n");
+      connclose(conn, "Partial download with no ability to check");
+      return result;
+    }
+
+    if(!ftpc->dont_check) {
+      /* 226 Transfer complete, 250 Requested file action okay, completed. */
+      if((ftpcode != 226) && (ftpcode != 250)) {
+        failf(data, "server did not report OK, got %d", ftpcode);
+        result = CURLE_PARTIAL_FILE;
+      }
+    }
+  }
+
+  if(result || premature)
+    /* the response code from the transfer showed an error already so no
+       use checking further */
+    ;
+  else if(data->set.upload) {
+    if((-1 != data->state.infilesize) &&
+       (data->state.infilesize != *ftp->bytecountp) &&
+       !data->set.crlf &&
+       (ftp->transfer == FTPTRANSFER_BODY)) {
+      failf(data, "Uploaded unaligned file size (%" CURL_FORMAT_CURL_OFF_T
+            " out of %" CURL_FORMAT_CURL_OFF_T " bytes)",
+            *ftp->bytecountp, data->state.infilesize);
+      result = CURLE_PARTIAL_FILE;
+    }
+  }
+  else {
+    if((-1 != data->req.size) &&
+       (data->req.size != *ftp->bytecountp) &&
+#ifdef CURL_DO_LINEEND_CONV
+       /* Most FTP servers don't adjust their file SIZE response for CRLFs, so
+        * we'll check to see if the discrepancy can be explained by the number
+        * of CRLFs we've changed to LFs.
+        */
+       ((data->req.size + data->state.crlf_conversions) !=
+        *ftp->bytecountp) &&
+#endif /* CURL_DO_LINEEND_CONV */
+       (data->req.maxdownload != *ftp->bytecountp)) {
+      failf(data, "Received only partial file: %" CURL_FORMAT_CURL_OFF_T
+            " bytes", *ftp->bytecountp);
+      result = CURLE_PARTIAL_FILE;
+    }
+    else if(!ftpc->dont_check &&
+            !*ftp->bytecountp &&
+            (data->req.size>0)) {
+      failf(data, "No data was received!");
+      result = CURLE_FTP_COULDNT_RETR_FILE;
+    }
+  }
+
+  /* clear these for next connection */
+  ftp->transfer = FTPTRANSFER_BODY;
+  ftpc->dont_check = FALSE;
+
+  /* Send any post-transfer QUOTE strings? */
+  if(!status && !result && !premature && data->set.postquote)
+    result = ftp_sendquote(conn, data->set.postquote);
+  Curl_safefree(ftp->pathalloc);
+  return result;
+}
+
+/***********************************************************************
+ *
+ * ftp_sendquote()
+ *
+ * Where a 'quote' means a list of custom commands to send to the server.
+ * The quote list is passed as an argument.
+ *
+ * BLOCKING
+ */
+
+static
+CURLcode ftp_sendquote(struct connectdata *conn, struct curl_slist *quote)
+{
+  struct curl_slist *item;
+  ssize_t nread;
+  int ftpcode;
+  CURLcode result;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  struct pingpong *pp = &ftpc->pp;
+
+  item = quote;
+  while(item) {
+    if(item->data) {
+      char *cmd = item->data;
+      bool acceptfail = FALSE;
+
+      /* if a command starts with an asterisk, which a legal FTP command never
+         can, the command will be allowed to fail without it causing any
+         aborts or cancels etc. It will cause libcurl to act as if the command
+         is successful, whatever the server reponds. */
+
+      if(cmd[0] == '*') {
+        cmd++;
+        acceptfail = TRUE;
+      }
+
+      PPSENDF(&conn->proto.ftpc.pp, "%s", cmd);
+
+      pp->response = Curl_now(); /* timeout relative now */
+
+      result = Curl_GetFTPResponse(&nread, conn, &ftpcode);
+      if(result)
+        return result;
+
+      if(!acceptfail && (ftpcode >= 400)) {
+        failf(conn->data, "QUOT string not accepted: %s", cmd);
+        return CURLE_QUOTE_ERROR;
+      }
+    }
+
+    item = item->next;
+  }
+
+  return CURLE_OK;
+}
+
+/***********************************************************************
+ *
+ * ftp_need_type()
+ *
+ * Returns TRUE if we in the current situation should send TYPE
+ */
+static int ftp_need_type(struct connectdata *conn,
+                         bool ascii_wanted)
+{
+  return conn->proto.ftpc.transfertype != (ascii_wanted?'A':'I');
+}
+
+/***********************************************************************
+ *
+ * ftp_nb_type()
+ *
+ * Set TYPE. We only deal with ASCII or BINARY so this function
+ * sets one of them.
+ * If the transfer type is not sent, simulate on OK response in newstate
+ */
+static CURLcode ftp_nb_type(struct connectdata *conn,
+                            bool ascii, ftpstate newstate)
+{
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  CURLcode result;
+  char want = (char)(ascii?'A':'I');
+
+  if(ftpc->transfertype == want) {
+    state(conn, newstate);
+    return ftp_state_type_resp(conn, 200, newstate);
+  }
+
+  PPSENDF(&ftpc->pp, "TYPE %c", want);
+  state(conn, newstate);
+
+  /* keep track of our current transfer type */
+  ftpc->transfertype = want;
+  return CURLE_OK;
+}
+
+/***************************************************************************
+ *
+ * ftp_pasv_verbose()
+ *
+ * This function only outputs some informationals about this second connection
+ * when we've issued a PASV command before and thus we have connected to a
+ * possibly new IP address.
+ *
+ */
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+static void
+ftp_pasv_verbose(struct connectdata *conn,
+                 Curl_addrinfo *ai,
+                 char *newhost, /* ascii version */
+                 int port)
+{
+  char buf[256];
+  Curl_printable_address(ai, buf, sizeof(buf));
+  infof(conn->data, "Connecting to %s (%s) port %d\n", newhost, buf, port);
+}
+#endif
+
+/*
+ * ftp_do_more()
+ *
+ * This function shall be called when the second FTP (data) connection is
+ * connected.
+ *
+ * 'complete' can return 0 for incomplete, 1 for done and -1 for go back
+ * (which basically is only for when PASV is being sent to retry a failed
+ * EPSV).
+ */
+
+static CURLcode ftp_do_more(struct connectdata *conn, int *completep)
+{
+  struct Curl_easy *data = conn->data;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  CURLcode result = CURLE_OK;
+  bool connected = FALSE;
+  bool complete = FALSE;
+
+  /* the ftp struct is inited in ftp_connect() */
+  struct FTP *ftp = data->req.protop;
+
+  /* if the second connection isn't done yet, wait for it */
+  if(!conn->bits.tcpconnect[SECONDARYSOCKET]) {
+    if(Curl_connect_ongoing(conn)) {
+      /* As we're in TUNNEL_CONNECT state now, we know the proxy name and port
+         aren't used so we blank their arguments. TODO: make this nicer */
+      result = Curl_proxyCONNECT(conn, SECONDARYSOCKET, NULL, 0);
+
+      return result;
+    }
+
+    result = Curl_is_connected(conn, SECONDARYSOCKET, &connected);
+
+    /* Ready to do more? */
+    if(connected) {
+      DEBUGF(infof(data, "DO-MORE connected phase starts\n"));
+    }
+    else {
+      if(result && (ftpc->count1 == 0)) {
+        *completep = -1; /* go back to DOING please */
+        /* this is a EPSV connect failing, try PASV instead */
+        return ftp_epsv_disable(conn);
+      }
+      return result;
+    }
+  }
+
+  result = Curl_proxy_connect(conn, SECONDARYSOCKET);
+  if(result)
+    return result;
+
+  if(CONNECT_SECONDARYSOCKET_PROXY_SSL())
+    return result;
+
+  if(conn->bits.tunnel_proxy && conn->bits.httpproxy &&
+     Curl_connect_ongoing(conn))
+    return result;
+
+
+  if(ftpc->state) {
+    /* already in a state so skip the initial commands.
+       They are only done to kickstart the do_more state */
+    result = ftp_multi_statemach(conn, &complete);
+
+    *completep = (int)complete;
+
+    /* if we got an error or if we don't wait for a data connection return
+       immediately */
+    if(result || (ftpc->wait_data_conn != TRUE))
+      return result;
+
+    if(ftpc->wait_data_conn)
+      /* if we reach the end of the FTP state machine here, *complete will be
+         TRUE but so is ftpc->wait_data_conn, which says we need to wait for
+         the data connection and therefore we're not actually complete */
+      *completep = 0;
+  }
+
+  if(ftp->transfer <= FTPTRANSFER_INFO) {
+    /* a transfer is about to take place, or if not a file name was given
+       so we'll do a SIZE on it later and then we need the right TYPE first */
+
+    if(ftpc->wait_data_conn == TRUE) {
+      bool serv_conned;
+
+      result = ReceivedServerConnect(conn, &serv_conned);
+      if(result)
+        return result; /* Failed to accept data connection */
+
+      if(serv_conned) {
+        /* It looks data connection is established */
+        result = AcceptServerConnect(conn);
+        ftpc->wait_data_conn = FALSE;
+        if(!result)
+          result = InitiateTransfer(conn);
+
+        if(result)
+          return result;
+
+        *completep = 1; /* this state is now complete when the server has
+                           connected back to us */
+      }
+    }
+    else if(data->set.upload) {
+      result = ftp_nb_type(conn, data->set.prefer_ascii, FTP_STOR_TYPE);
+      if(result)
+        return result;
+
+      result = ftp_multi_statemach(conn, &complete);
+      if(ftpc->wait_data_conn)
+        /* if we reach the end of the FTP state machine here, *complete will be
+           TRUE but so is ftpc->wait_data_conn, which says we need to wait for
+           the data connection and therefore we're not actually complete */
+        *completep = 0;
+      else
+        *completep = (int)complete;
+    }
+    else {
+      /* download */
+      ftp->downloadsize = -1; /* unknown as of yet */
+
+      result = Curl_range(conn);
+
+      if(result == CURLE_OK && data->req.maxdownload >= 0) {
+        /* Don't check for successful transfer */
+        ftpc->dont_check = TRUE;
+      }
+
+      if(result)
+        ;
+      else if(data->set.ftp_list_only || !ftpc->file) {
+        /* The specified path ends with a slash, and therefore we think this
+           is a directory that is requested, use LIST. But before that we
+           need to set ASCII transfer mode. */
+
+        /* But only if a body transfer was requested. */
+        if(ftp->transfer == FTPTRANSFER_BODY) {
+          result = ftp_nb_type(conn, TRUE, FTP_LIST_TYPE);
+          if(result)
+            return result;
+        }
+        /* otherwise just fall through */
+      }
+      else {
+        result = ftp_nb_type(conn, data->set.prefer_ascii, FTP_RETR_TYPE);
+        if(result)
+          return result;
+      }
+
+      result = ftp_multi_statemach(conn, &complete);
+      *completep = (int)complete;
+    }
+    return result;
+  }
+
+  if(!result && (ftp->transfer != FTPTRANSFER_BODY))
+    /* no data to transfer. FIX: it feels like a kludge to have this here
+       too! */
+    Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
+
+  if(!ftpc->wait_data_conn) {
+    /* no waiting for the data connection so this is now complete */
+    *completep = 1;
+    DEBUGF(infof(data, "DO-MORE phase ends with %d\n", (int)result));
+  }
+
+  return result;
+}
+
+
+
+/***********************************************************************
+ *
+ * ftp_perform()
+ *
+ * This is the actual DO function for FTP. Get a file/directory according to
+ * the options previously setup.
+ */
+
+static
+CURLcode ftp_perform(struct connectdata *conn,
+                     bool *connected,  /* connect status after PASV / PORT */
+                     bool *dophase_done)
+{
+  /* this is FTP and no proxy */
+  CURLcode result = CURLE_OK;
+
+  DEBUGF(infof(conn->data, "DO phase starts\n"));
+
+  if(conn->data->set.opt_no_body) {
+    /* requested no body means no transfer... */
+    struct FTP *ftp = conn->data->req.protop;
+    ftp->transfer = FTPTRANSFER_INFO;
+  }
+
+  *dophase_done = FALSE; /* not done yet */
+
+  /* start the first command in the DO phase */
+  result = ftp_state_quote(conn, TRUE, FTP_QUOTE);
+  if(result)
+    return result;
+
+  /* run the state-machine */
+  result = ftp_multi_statemach(conn, dophase_done);
+
+  *connected = conn->bits.tcpconnect[SECONDARYSOCKET];
+
+  infof(conn->data, "ftp_perform ends with SECONDARY: %d\n", *connected);
+
+  if(*dophase_done)
+    DEBUGF(infof(conn->data, "DO phase is complete1\n"));
+
+  return result;
+}
+
+static void wc_data_dtor(void *ptr)
+{
+  struct ftp_wc *ftpwc = ptr;
+  if(ftpwc && ftpwc->parser)
+    Curl_ftp_parselist_data_free(&ftpwc->parser);
+  free(ftpwc);
+}
+
+static CURLcode init_wc_data(struct connectdata *conn)
+{
+  char *last_slash;
+  struct FTP *ftp = conn->data->req.protop;
+  char *path = ftp->path;
+  struct WildcardData *wildcard = &(conn->data->wildcard);
+  CURLcode result = CURLE_OK;
+  struct ftp_wc *ftpwc = NULL;
+
+  last_slash = strrchr(ftp->path, '/');
+  if(last_slash) {
+    last_slash++;
+    if(last_slash[0] == '\0') {
+      wildcard->state = CURLWC_CLEAN;
+      result = ftp_parse_url_path(conn);
+      return result;
+    }
+    wildcard->pattern = strdup(last_slash);
+    if(!wildcard->pattern)
+      return CURLE_OUT_OF_MEMORY;
+    last_slash[0] = '\0'; /* cut file from path */
+  }
+  else { /* there is only 'wildcard pattern' or nothing */
+    if(path[0]) {
+      wildcard->pattern = strdup(path);
+      if(!wildcard->pattern)
+        return CURLE_OUT_OF_MEMORY;
+      path[0] = '\0';
+    }
+    else { /* only list */
+      wildcard->state = CURLWC_CLEAN;
+      result = ftp_parse_url_path(conn);
+      return result;
+    }
+  }
+
+  /* program continues only if URL is not ending with slash, allocate needed
+     resources for wildcard transfer */
+
+  /* allocate ftp protocol specific wildcard data */
+  ftpwc = calloc(1, sizeof(struct ftp_wc));
+  if(!ftpwc) {
+    result = CURLE_OUT_OF_MEMORY;
+    goto fail;
+  }
+
+  /* INITIALIZE parselist structure */
+  ftpwc->parser = Curl_ftp_parselist_data_alloc();
+  if(!ftpwc->parser) {
+    result = CURLE_OUT_OF_MEMORY;
+    goto fail;
+  }
+
+  wildcard->protdata = ftpwc; /* put it to the WildcardData tmp pointer */
+  wildcard->dtor = wc_data_dtor;
+
+  /* wildcard does not support NOCWD option (assert it?) */
+  if(conn->data->set.ftp_filemethod == FTPFILE_NOCWD)
+    conn->data->set.ftp_filemethod = FTPFILE_MULTICWD;
+
+  /* try to parse ftp url */
+  result = ftp_parse_url_path(conn);
+  if(result) {
+    goto fail;
+  }
+
+  wildcard->path = strdup(ftp->path);
+  if(!wildcard->path) {
+    result = CURLE_OUT_OF_MEMORY;
+    goto fail;
+  }
+
+  /* backup old write_function */
+  ftpwc->backup.write_function = conn->data->set.fwrite_func;
+  /* parsing write function */
+  conn->data->set.fwrite_func = Curl_ftp_parselist;
+  /* backup old file descriptor */
+  ftpwc->backup.file_descriptor = conn->data->set.out;
+  /* let the writefunc callback know what curl pointer is working with */
+  conn->data->set.out = conn;
+
+  infof(conn->data, "Wildcard - Parsing started\n");
+  return CURLE_OK;
+
+  fail:
+  if(ftpwc) {
+    Curl_ftp_parselist_data_free(&ftpwc->parser);
+    free(ftpwc);
+  }
+  Curl_safefree(wildcard->pattern);
+  wildcard->dtor = ZERO_NULL;
+  wildcard->protdata = NULL;
+  return result;
+}
+
+/* This is called recursively */
+static CURLcode wc_statemach(struct connectdata *conn)
+{
+  struct WildcardData * const wildcard = &(conn->data->wildcard);
+  CURLcode result = CURLE_OK;
+
+  switch(wildcard->state) {
+  case CURLWC_INIT:
+    result = init_wc_data(conn);
+    if(wildcard->state == CURLWC_CLEAN)
+      /* only listing! */
+      break;
+    wildcard->state = result ? CURLWC_ERROR : CURLWC_MATCHING;
+    break;
+
+  case CURLWC_MATCHING: {
+    /* In this state is LIST response successfully parsed, so lets restore
+       previous WRITEFUNCTION callback and WRITEDATA pointer */
+    struct ftp_wc *ftpwc = wildcard->protdata;
+    conn->data->set.fwrite_func = ftpwc->backup.write_function;
+    conn->data->set.out = ftpwc->backup.file_descriptor;
+    ftpwc->backup.write_function = ZERO_NULL;
+    ftpwc->backup.file_descriptor = NULL;
+    wildcard->state = CURLWC_DOWNLOADING;
+
+    if(Curl_ftp_parselist_geterror(ftpwc->parser)) {
+      /* error found in LIST parsing */
+      wildcard->state = CURLWC_CLEAN;
+      return wc_statemach(conn);
+    }
+    if(wildcard->filelist.size == 0) {
+      /* no corresponding file */
+      wildcard->state = CURLWC_CLEAN;
+      return CURLE_REMOTE_FILE_NOT_FOUND;
+    }
+    return wc_statemach(conn);
+  }
+
+  case CURLWC_DOWNLOADING: {
+    /* filelist has at least one file, lets get first one */
+    struct ftp_conn *ftpc = &conn->proto.ftpc;
+    struct curl_fileinfo *finfo = wildcard->filelist.head->ptr;
+    struct FTP *ftp = conn->data->req.protop;
+
+    char *tmp_path = aprintf("%s%s", wildcard->path, finfo->filename);
+    if(!tmp_path)
+      return CURLE_OUT_OF_MEMORY;
+
+    /* switch default ftp->path and tmp_path */
+    free(ftp->pathalloc);
+    ftp->pathalloc = ftp->path = tmp_path;
+
+    infof(conn->data, "Wildcard - START of \"%s\"\n", finfo->filename);
+    if(conn->data->set.chunk_bgn) {
+      long userresponse;
+      Curl_set_in_callback(conn->data, true);
+      userresponse = conn->data->set.chunk_bgn(
+        finfo, wildcard->customptr, (int)wildcard->filelist.size);
+      Curl_set_in_callback(conn->data, false);
+      switch(userresponse) {
+      case CURL_CHUNK_BGN_FUNC_SKIP:
+        infof(conn->data, "Wildcard - \"%s\" skipped by user\n",
+              finfo->filename);
+        wildcard->state = CURLWC_SKIP;
+        return wc_statemach(conn);
+      case CURL_CHUNK_BGN_FUNC_FAIL:
+        return CURLE_CHUNK_FAILED;
+      }
+    }
+
+    if(finfo->filetype != CURLFILETYPE_FILE) {
+      wildcard->state = CURLWC_SKIP;
+      return wc_statemach(conn);
+    }
+
+    if(finfo->flags & CURLFINFOFLAG_KNOWN_SIZE)
+      ftpc->known_filesize = finfo->size;
+
+    result = ftp_parse_url_path(conn);
+    if(result)
+      return result;
+
+    /* we don't need the Curl_fileinfo of first file anymore */
+    Curl_llist_remove(&wildcard->filelist, wildcard->filelist.head, NULL);
+
+    if(wildcard->filelist.size == 0) { /* remains only one file to down. */
+      wildcard->state = CURLWC_CLEAN;
+      /* after that will be ftp_do called once again and no transfer
+         will be done because of CURLWC_CLEAN state */
+      return CURLE_OK;
+    }
+  } break;
+
+  case CURLWC_SKIP: {
+    if(conn->data->set.chunk_end) {
+      Curl_set_in_callback(conn->data, true);
+      conn->data->set.chunk_end(conn->data->wildcard.customptr);
+      Curl_set_in_callback(conn->data, false);
+    }
+    Curl_llist_remove(&wildcard->filelist, wildcard->filelist.head, NULL);
+    wildcard->state = (wildcard->filelist.size == 0) ?
+                      CURLWC_CLEAN : CURLWC_DOWNLOADING;
+    return wc_statemach(conn);
+  }
+
+  case CURLWC_CLEAN: {
+    struct ftp_wc *ftpwc = wildcard->protdata;
+    result = CURLE_OK;
+    if(ftpwc)
+      result = Curl_ftp_parselist_geterror(ftpwc->parser);
+
+    wildcard->state = result ? CURLWC_ERROR : CURLWC_DONE;
+  } break;
+
+  case CURLWC_DONE:
+  case CURLWC_ERROR:
+  case CURLWC_CLEAR:
+    if(wildcard->dtor)
+      wildcard->dtor(wildcard->protdata);
+    break;
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * ftp_do()
+ *
+ * This function is registered as 'curl_do' function. It decodes the path
+ * parts etc as a wrapper to the actual DO function (ftp_perform).
+ *
+ * The input argument is already checked for validity.
+ */
+static CURLcode ftp_do(struct connectdata *conn, bool *done)
+{
+  CURLcode result = CURLE_OK;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+
+  *done = FALSE; /* default to false */
+  ftpc->wait_data_conn = FALSE; /* default to no such wait */
+
+  if(conn->data->state.wildcardmatch) {
+    result = wc_statemach(conn);
+    if(conn->data->wildcard.state == CURLWC_SKIP ||
+      conn->data->wildcard.state == CURLWC_DONE) {
+      /* do not call ftp_regular_transfer */
+      return CURLE_OK;
+    }
+    if(result) /* error, loop or skipping the file */
+      return result;
+  }
+  else { /* no wildcard FSM needed */
+    result = ftp_parse_url_path(conn);
+    if(result)
+      return result;
+  }
+
+  result = ftp_regular_transfer(conn, done);
+
+  return result;
+}
+
+
+CURLcode Curl_ftpsend(struct connectdata *conn, const char *cmd)
+{
+  ssize_t bytes_written;
+#define SBUF_SIZE 1024
+  char s[SBUF_SIZE];
+  size_t write_len;
+  char *sptr = s;
+  CURLcode result = CURLE_OK;
+#ifdef HAVE_GSSAPI
+  enum protection_level data_sec = conn->data_prot;
+#endif
+
+  if(!cmd)
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+
+  write_len = strlen(cmd);
+  if(!write_len || write_len > (sizeof(s) -3))
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+
+  memcpy(&s, cmd, write_len);
+  strcpy(&s[write_len], "\r\n"); /* append a trailing CRLF */
+  write_len += 2;
+  bytes_written = 0;
+
+  result = Curl_convert_to_network(conn->data, s, write_len);
+  /* Curl_convert_to_network calls failf if unsuccessful */
+  if(result)
+    return result;
+
+  for(;;) {
+#ifdef HAVE_GSSAPI
+    conn->data_prot = PROT_CMD;
+#endif
+    result = Curl_write(conn, conn->sock[FIRSTSOCKET], sptr, write_len,
+                        &bytes_written);
+#ifdef HAVE_GSSAPI
+    DEBUGASSERT(data_sec > PROT_NONE && data_sec < PROT_LAST);
+    conn->data_prot = data_sec;
+#endif
+
+    if(result)
+      break;
+
+    if(conn->data->set.verbose)
+      Curl_debug(conn->data, CURLINFO_HEADER_OUT, sptr, (size_t)bytes_written);
+
+    if(bytes_written != (ssize_t)write_len) {
+      write_len -= bytes_written;
+      sptr += bytes_written;
+    }
+    else
+      break;
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * ftp_quit()
+ *
+ * This should be called before calling sclose() on an ftp control connection
+ * (not data connections). We should then wait for the response from the
+ * server before returning. The calling code should then try to close the
+ * connection.
+ *
+ */
+static CURLcode ftp_quit(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+
+  if(conn->proto.ftpc.ctl_valid) {
+    result = Curl_pp_sendf(&conn->proto.ftpc.pp, "%s", "QUIT");
+    if(result) {
+      failf(conn->data, "Failure sending QUIT command: %s",
+            curl_easy_strerror(result));
+      conn->proto.ftpc.ctl_valid = FALSE; /* mark control connection as bad */
+      connclose(conn, "QUIT command failed"); /* mark for connection closure */
+      state(conn, FTP_STOP);
+      return result;
+    }
+
+    state(conn, FTP_QUIT);
+
+    result = ftp_block_statemach(conn);
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * ftp_disconnect()
+ *
+ * Disconnect from an FTP server. Cleanup protocol-specific per-connection
+ * resources. BLOCKING.
+ */
+static CURLcode ftp_disconnect(struct connectdata *conn, bool dead_connection)
+{
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  struct pingpong *pp = &ftpc->pp;
+
+  /* We cannot send quit unconditionally. If this connection is stale or
+     bad in any way, sending quit and waiting around here will make the
+     disconnect wait in vain and cause more problems than we need to.
+
+     ftp_quit() will check the state of ftp->ctl_valid. If it's ok it
+     will try to send the QUIT command, otherwise it will just return.
+  */
+  if(dead_connection)
+    ftpc->ctl_valid = FALSE;
+
+  /* The FTP session may or may not have been allocated/setup at this point! */
+  (void)ftp_quit(conn); /* ignore errors on the QUIT */
+
+  if(ftpc->entrypath) {
+    struct Curl_easy *data = conn->data;
+    if(data->state.most_recent_ftp_entrypath == ftpc->entrypath) {
+      data->state.most_recent_ftp_entrypath = NULL;
+    }
+    free(ftpc->entrypath);
+    ftpc->entrypath = NULL;
+  }
+
+  freedirs(ftpc);
+  free(ftpc->prevpath);
+  ftpc->prevpath = NULL;
+  free(ftpc->server_os);
+  ftpc->server_os = NULL;
+
+  Curl_pp_disconnect(pp);
+
+#ifdef HAVE_GSSAPI
+  Curl_sec_end(conn);
+#endif
+
+  return CURLE_OK;
+}
+
+/***********************************************************************
+ *
+ * ftp_parse_url_path()
+ *
+ * Parse the URL path into separate path components.
+ *
+ */
+static
+CURLcode ftp_parse_url_path(struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+  /* the ftp struct is already inited in ftp_connect() */
+  struct FTP *ftp = data->req.protop;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  const char *slash_pos;  /* position of the first '/' char in curpos */
+  const char *path_to_use = ftp->path;
+  const char *cur_pos;
+  const char *filename = NULL;
+
+  cur_pos = path_to_use; /* current position in path. point at the begin of
+                            next path component */
+
+  ftpc->ctl_valid = FALSE;
+  ftpc->cwdfail = FALSE;
+
+  switch(data->set.ftp_filemethod) {
+  case FTPFILE_NOCWD:
+    /* fastest, but less standard-compliant */
+
+    /*
+      The best time to check whether the path is a file or directory is right
+      here. so:
+
+      the first condition in the if() right here, is there just in case
+      someone decides to set path to NULL one day
+   */
+    if(path_to_use[0] &&
+       (path_to_use[strlen(path_to_use) - 1] != '/') )
+      filename = path_to_use;  /* this is a full file path */
+    /*
+      else {
+        ftpc->file is not used anywhere other than for operations on a file.
+        In other words, never for directory operations.
+        So we can safely leave filename as NULL here and use it as a
+        argument in dir/file decisions.
+      }
+    */
+    break;
+
+  case FTPFILE_SINGLECWD:
+    /* get the last slash */
+    if(!path_to_use[0]) {
+      /* no dir, no file */
+      ftpc->dirdepth = 0;
+      break;
+    }
+    slash_pos = strrchr(cur_pos, '/');
+    if(slash_pos || !*cur_pos) {
+      size_t dirlen = slash_pos-cur_pos;
+      CURLcode result;
+
+      ftpc->dirs = calloc(1, sizeof(ftpc->dirs[0]));
+      if(!ftpc->dirs)
+        return CURLE_OUT_OF_MEMORY;
+
+      if(!dirlen)
+        dirlen++;
+
+      result = Curl_urldecode(conn->data, slash_pos ? cur_pos : "/",
+                              slash_pos ? dirlen : 1,
+                              &ftpc->dirs[0], NULL,
+                              TRUE);
+      if(result) {
+        freedirs(ftpc);
+        return result;
+      }
+      ftpc->dirdepth = 1; /* we consider it to be a single dir */
+      filename = slash_pos ? slash_pos + 1 : cur_pos; /* rest is file name */
+    }
+    else
+      filename = cur_pos;  /* this is a file name only */
+    break;
+
+  default: /* allow pretty much anything */
+  case FTPFILE_MULTICWD:
+    ftpc->dirdepth = 0;
+    ftpc->diralloc = 5; /* default dir depth to allocate */
+    ftpc->dirs = calloc(ftpc->diralloc, sizeof(ftpc->dirs[0]));
+    if(!ftpc->dirs)
+      return CURLE_OUT_OF_MEMORY;
+
+    /* we have a special case for listing the root dir only */
+    if(!strcmp(path_to_use, "/")) {
+      cur_pos++; /* make it point to the zero byte */
+      ftpc->dirs[0] = strdup("/");
+      ftpc->dirdepth++;
+    }
+    else {
+      /* parse the URL path into separate path components */
+      while((slash_pos = strchr(cur_pos, '/')) != NULL) {
+        /* 1 or 0 pointer offset to indicate absolute directory */
+        ssize_t absolute_dir = ((cur_pos - ftp->path > 0) &&
+                                (ftpc->dirdepth == 0))?1:0;
+
+        /* seek out the next path component */
+        if(slash_pos-cur_pos) {
+          /* we skip empty path components, like "x//y" since the FTP command
+             CWD requires a parameter and a non-existent parameter a) doesn't
+             work on many servers and b) has no effect on the others. */
+          size_t len = slash_pos - cur_pos + absolute_dir;
+          CURLcode result =
+            Curl_urldecode(conn->data, cur_pos - absolute_dir, len,
+                           &ftpc->dirs[ftpc->dirdepth], NULL,
+                           TRUE);
+          if(result) {
+            freedirs(ftpc);
+            return result;
+          }
+        }
+        else {
+          cur_pos = slash_pos + 1; /* jump to the rest of the string */
+          if(!ftpc->dirdepth) {
+            /* path starts with a slash, add that as a directory */
+            ftpc->dirs[ftpc->dirdepth] = strdup("/");
+            if(!ftpc->dirs[ftpc->dirdepth++]) { /* run out of memory ... */
+              failf(data, "no memory");
+              freedirs(ftpc);
+              return CURLE_OUT_OF_MEMORY;
+            }
+          }
+          continue;
+        }
+
+        cur_pos = slash_pos + 1; /* jump to the rest of the string */
+        if(++ftpc->dirdepth >= ftpc->diralloc) {
+          /* enlarge array */
+          char **bigger;
+          ftpc->diralloc *= 2; /* double the size each time */
+          bigger = realloc(ftpc->dirs, ftpc->diralloc * sizeof(ftpc->dirs[0]));
+          if(!bigger) {
+            freedirs(ftpc);
+            return CURLE_OUT_OF_MEMORY;
+          }
+          ftpc->dirs = bigger;
+        }
+      }
+    }
+    filename = cur_pos;  /* the rest is the file name */
+    break;
+  } /* switch */
+
+  if(filename && *filename) {
+    CURLcode result =
+      Curl_urldecode(conn->data, filename, 0,  &ftpc->file, NULL, TRUE);
+
+    if(result) {
+      freedirs(ftpc);
+      return result;
+    }
+  }
+  else
+    ftpc->file = NULL; /* instead of point to a zero byte, we make it a NULL
+                          pointer */
+
+  if(data->set.upload && !ftpc->file && (ftp->transfer == FTPTRANSFER_BODY)) {
+    /* We need a file name when uploading. Return error! */
+    failf(data, "Uploading to a URL without a file name!");
+    return CURLE_URL_MALFORMAT;
+  }
+
+  ftpc->cwddone = FALSE; /* default to not done */
+
+  if(ftpc->prevpath) {
+    /* prevpath is "raw" so we convert the input path before we compare the
+       strings */
+    size_t dlen;
+    char *path;
+    CURLcode result =
+      Curl_urldecode(conn->data, ftp->path, 0, &path, &dlen, TRUE);
+    if(result) {
+      freedirs(ftpc);
+      return result;
+    }
+
+    dlen -= ftpc->file?strlen(ftpc->file):0;
+    if((dlen == strlen(ftpc->prevpath)) &&
+       !strncmp(path, ftpc->prevpath, dlen) &&
+       (ftpc->prevmethod == data->set.ftp_filemethod)) {
+      infof(data, "Request has same path as previous transfer\n");
+      ftpc->cwddone = TRUE;
+    }
+    free(path);
+  }
+
+  return CURLE_OK;
+}
+
+/* call this when the DO phase has completed */
+static CURLcode ftp_dophase_done(struct connectdata *conn,
+                                 bool connected)
+{
+  struct FTP *ftp = conn->data->req.protop;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+
+  if(connected) {
+    int completed;
+    CURLcode result = ftp_do_more(conn, &completed);
+
+    if(result) {
+      close_secondarysocket(conn);
+      return result;
+    }
+  }
+
+  if(ftp->transfer != FTPTRANSFER_BODY)
+    /* no data to transfer */
+    Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
+  else if(!connected)
+    /* since we didn't connect now, we want do_more to get called */
+    conn->bits.do_more = TRUE;
+
+  ftpc->ctl_valid = TRUE; /* seems good */
+
+  return CURLE_OK;
+}
+
+/* called from multi.c while DOing */
+static CURLcode ftp_doing(struct connectdata *conn,
+                          bool *dophase_done)
+{
+  CURLcode result = ftp_multi_statemach(conn, dophase_done);
+
+  if(result)
+    DEBUGF(infof(conn->data, "DO phase failed\n"));
+  else if(*dophase_done) {
+    result = ftp_dophase_done(conn, FALSE /* not connected */);
+
+    DEBUGF(infof(conn->data, "DO phase is complete2\n"));
+  }
+  return result;
+}
+
+/***********************************************************************
+ *
+ * ftp_regular_transfer()
+ *
+ * The input argument is already checked for validity.
+ *
+ * Performs all commands done before a regular transfer between a local and a
+ * remote host.
+ *
+ * ftp->ctl_valid starts out as FALSE, and gets set to TRUE if we reach the
+ * ftp_done() function without finding any major problem.
+ */
+static
+CURLcode ftp_regular_transfer(struct connectdata *conn,
+                              bool *dophase_done)
+{
+  CURLcode result = CURLE_OK;
+  bool connected = FALSE;
+  struct Curl_easy *data = conn->data;
+  struct ftp_conn *ftpc = &conn->proto.ftpc;
+  data->req.size = -1; /* make sure this is unknown at this point */
+
+  Curl_pgrsSetUploadCounter(data, 0);
+  Curl_pgrsSetDownloadCounter(data, 0);
+  Curl_pgrsSetUploadSize(data, -1);
+  Curl_pgrsSetDownloadSize(data, -1);
+
+  ftpc->ctl_valid = TRUE; /* starts good */
+
+  result = ftp_perform(conn,
+                       &connected, /* have we connected after PASV/PORT */
+                       dophase_done); /* all commands in the DO-phase done? */
+
+  if(!result) {
+
+    if(!*dophase_done)
+      /* the DO phase has not completed yet */
+      return CURLE_OK;
+
+    result = ftp_dophase_done(conn, connected);
+
+    if(result)
+      return result;
+  }
+  else
+    freedirs(ftpc);
+
+  return result;
+}
+
+static CURLcode ftp_setup_connection(struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+  char *type;
+  struct FTP *ftp;
+
+  conn->data->req.protop = ftp = calloc(sizeof(struct FTP), 1);
+  if(NULL == ftp)
+    return CURLE_OUT_OF_MEMORY;
+
+  ftp->path = &data->state.up.path[1]; /* don't include the initial slash */
+  data->state.slash_removed = TRUE; /* we've skipped the slash */
+
+  /* FTP URLs support an extension like ";type=<typecode>" that
+   * we'll try to get now! */
+  type = strstr(ftp->path, ";type=");
+
+  if(!type)
+    type = strstr(conn->host.rawalloc, ";type=");
+
+  if(type) {
+    char command;
+    *type = 0;                     /* it was in the middle of the hostname */
+    command = Curl_raw_toupper(type[6]);
+    conn->bits.type_set = TRUE;
+
+    switch(command) {
+    case 'A': /* ASCII mode */
+      data->set.prefer_ascii = TRUE;
+      break;
+
+    case 'D': /* directory mode */
+      data->set.ftp_list_only = TRUE;
+      break;
+
+    case 'I': /* binary mode */
+    default:
+      /* switch off ASCII */
+      data->set.prefer_ascii = FALSE;
+      break;
+    }
+  }
+
+  /* get some initial data into the ftp struct */
+  ftp->bytecountp = &conn->data->req.bytecount;
+  ftp->transfer = FTPTRANSFER_BODY;
+  ftp->downloadsize = 0;
+
+  /* No need to duplicate user+password, the connectdata struct won't change
+     during a session, but we re-init them here since on subsequent inits
+     since the conn struct may have changed or been replaced.
+  */
+  ftp->user = conn->user;
+  ftp->passwd = conn->passwd;
+  if(isBadFtpString(ftp->user))
+    return CURLE_URL_MALFORMAT;
+  if(isBadFtpString(ftp->passwd))
+    return CURLE_URL_MALFORMAT;
+
+  conn->proto.ftpc.known_filesize = -1; /* unknown size for now */
+
+  return CURLE_OK;
+}
+
+#endif /* CURL_DISABLE_FTP */
Index: trunk/src/libs/curl-7.64.0/lib/ftp.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/ftp.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/ftp.h	(revision 85671)
@@ -0,0 +1,163 @@
+#ifndef HEADER_CURL_FTP_H
+#define HEADER_CURL_FTP_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "pingpong.h"
+
+#ifndef CURL_DISABLE_FTP
+extern const struct Curl_handler Curl_handler_ftp;
+
+#ifdef USE_SSL
+extern const struct Curl_handler Curl_handler_ftps;
+#endif
+
+CURLcode Curl_ftpsend(struct connectdata *, const char *cmd);
+CURLcode Curl_GetFTPResponse(ssize_t *nread, struct connectdata *conn,
+                             int *ftpcode);
+#endif /* CURL_DISABLE_FTP */
+
+/****************************************************************************
+ * FTP unique setup
+ ***************************************************************************/
+typedef enum {
+  FTP_STOP,    /* do nothing state, stops the state machine */
+  FTP_WAIT220, /* waiting for the initial 220 response immediately after
+                  a connect */
+  FTP_AUTH,
+  FTP_USER,
+  FTP_PASS,
+  FTP_ACCT,
+  FTP_PBSZ,
+  FTP_PROT,
+  FTP_CCC,
+  FTP_PWD,
+  FTP_SYST,
+  FTP_NAMEFMT,
+  FTP_QUOTE, /* waiting for a response to a command sent in a quote list */
+  FTP_RETR_PREQUOTE,
+  FTP_STOR_PREQUOTE,
+  FTP_POSTQUOTE,
+  FTP_CWD,  /* change dir */
+  FTP_MKD,  /* if the dir didn't exist */
+  FTP_MDTM, /* to figure out the datestamp */
+  FTP_TYPE, /* to set type when doing a head-like request */
+  FTP_LIST_TYPE, /* set type when about to do a dir list */
+  FTP_RETR_TYPE, /* set type when about to RETR a file */
+  FTP_STOR_TYPE, /* set type when about to STOR a file */
+  FTP_SIZE, /* get the remote file's size for head-like request */
+  FTP_RETR_SIZE, /* get the remote file's size for RETR */
+  FTP_STOR_SIZE, /* get the size for STOR */
+  FTP_REST, /* when used to check if the server supports it in head-like */
+  FTP_RETR_REST, /* when asking for "resume" in for RETR */
+  FTP_PORT, /* generic state for PORT, LPRT and EPRT, check count1 */
+  FTP_PRET, /* generic state for PRET RETR, PRET STOR and PRET LIST/NLST */
+  FTP_PASV, /* generic state for PASV and EPSV, check count1 */
+  FTP_LIST, /* generic state for LIST, NLST or a custom list command */
+  FTP_RETR,
+  FTP_STOR, /* generic state for STOR and APPE */
+  FTP_QUIT,
+  FTP_LAST  /* never used */
+} ftpstate;
+
+struct ftp_parselist_data; /* defined later in ftplistparser.c */
+
+struct ftp_wc {
+  struct ftp_parselist_data *parser;
+
+  struct {
+    curl_write_callback write_function;
+    FILE *file_descriptor;
+  } backup;
+};
+
+typedef enum {
+  FTPFILE_MULTICWD  = 1, /* as defined by RFC1738 */
+  FTPFILE_NOCWD     = 2, /* use SIZE / RETR / STOR on the full path */
+  FTPFILE_SINGLECWD = 3  /* make one CWD, then SIZE / RETR / STOR on the
+                            file */
+} curl_ftpfile;
+
+/* This FTP struct is used in the Curl_easy. All FTP data that is
+   connection-oriented must be in FTP_conn to properly deal with the fact that
+   perhaps the Curl_easy is changed between the times the connection is
+   used. */
+struct FTP {
+  curl_off_t *bytecountp;
+  char *user;    /* user name string */
+  char *passwd;  /* password string */
+  char *path;    /* points to the urlpieces struct field */
+  char *pathalloc; /* if non-NULL a pointer to an allocated path */
+
+  /* transfer a file/body or not, done as a typedefed enum just to make
+     debuggers display the full symbol and not just the numerical value */
+  curl_pp_transfer transfer;
+  curl_off_t downloadsize;
+};
+
+
+/* ftp_conn is used for struct connection-oriented data in the connectdata
+   struct */
+struct ftp_conn {
+  struct pingpong pp;
+  char *entrypath; /* the PWD reply when we logged on */
+  char **dirs;   /* realloc()ed array for path components */
+  int dirdepth;  /* number of entries used in the 'dirs' array */
+  int diralloc;  /* number of entries allocated for the 'dirs' array */
+  char *file;    /* decoded file */
+  bool dont_check;  /* Set to TRUE to prevent the final (post-transfer)
+                       file size and 226/250 status check. It should still
+                       read the line, just ignore the result. */
+  bool ctl_valid;   /* Tells Curl_ftp_quit() whether or not to do anything. If
+                       the connection has timed out or been closed, this
+                       should be FALSE when it gets to Curl_ftp_quit() */
+  bool cwddone;     /* if it has been determined that the proper CWD combo
+                       already has been done */
+  int cwdcount;     /* number of CWD commands issued */
+  bool cwdfail;     /* set TRUE if a CWD command fails, as then we must prevent
+                       caching the current directory */
+  bool wait_data_conn; /* this is set TRUE if data connection is waited */
+  char *prevpath;   /* conn->path from the previous transfer */
+  curl_ftpfile prevmethod; /* ftp method in previous transfer  */
+  char transfertype; /* set by ftp_transfertype for use by Curl_client_write()a
+                        and others (A/I or zero) */
+  int count1; /* general purpose counter for the state machine */
+  int count2; /* general purpose counter for the state machine */
+  int count3; /* general purpose counter for the state machine */
+  ftpstate state; /* always use ftp.c:state() to change state! */
+  ftpstate state_saved; /* transfer type saved to be reloaded after
+                           data connection is established */
+  curl_off_t retr_size_saved; /* Size of retrieved file saved */
+  char *server_os;     /* The target server operating system. */
+  curl_off_t known_filesize; /* file size is different from -1, if wildcard
+                                LIST parsing was done and wc_statemach set
+                                it */
+  /* newhost is the (allocated) IP addr or host name to connect the data
+     connection to */
+  char *newhost;          /* this is the pair to connect the DATA... */
+  unsigned short newport; /* connection to */
+
+};
+
+#define DEFAULT_ACCEPT_TIMEOUT   60000 /* milliseconds == one minute */
+
+#endif /* HEADER_CURL_FTP_H */
Index: trunk/src/libs/curl-7.64.0/lib/ftplistparser.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/ftplistparser.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/ftplistparser.c	(revision 85671)
@@ -0,0 +1,1022 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/**
+ * Now implemented:
+ *
+ * 1) Unix version 1
+ * drwxr-xr-x 1 user01 ftp  512 Jan 29 23:32 prog
+ * 2) Unix version 2
+ * drwxr-xr-x 1 user01 ftp  512 Jan 29 1997  prog
+ * 3) Unix version 3
+ * drwxr-xr-x 1      1   1  512 Jan 29 23:32 prog
+ * 4) Unix symlink
+ * lrwxr-xr-x 1 user01 ftp  512 Jan 29 23:32 prog -> prog2000
+ * 5) DOS style
+ * 01-29-97 11:32PM <DIR> prog
+ */
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_FTP
+
+#include <curl/curl.h>
+
+#include "urldata.h"
+#include "fileinfo.h"
+#include "llist.h"
+#include "strtoofft.h"
+#include "ftp.h"
+#include "ftplistparser.h"
+#include "curl_fnmatch.h"
+#include "curl_memory.h"
+#include "multiif.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/* allocs buffer which will contain one line of LIST command response */
+#define FTP_BUFFER_ALLOCSIZE 160
+
+typedef enum {
+  PL_UNIX_TOTALSIZE = 0,
+  PL_UNIX_FILETYPE,
+  PL_UNIX_PERMISSION,
+  PL_UNIX_HLINKS,
+  PL_UNIX_USER,
+  PL_UNIX_GROUP,
+  PL_UNIX_SIZE,
+  PL_UNIX_TIME,
+  PL_UNIX_FILENAME,
+  PL_UNIX_SYMLINK
+} pl_unix_mainstate;
+
+typedef union {
+  enum {
+    PL_UNIX_TOTALSIZE_INIT = 0,
+    PL_UNIX_TOTALSIZE_READING
+  } total_dirsize;
+
+  enum {
+    PL_UNIX_HLINKS_PRESPACE = 0,
+    PL_UNIX_HLINKS_NUMBER
+  } hlinks;
+
+  enum {
+    PL_UNIX_USER_PRESPACE = 0,
+    PL_UNIX_USER_PARSING
+  } user;
+
+  enum {
+    PL_UNIX_GROUP_PRESPACE = 0,
+    PL_UNIX_GROUP_NAME
+  } group;
+
+  enum {
+    PL_UNIX_SIZE_PRESPACE = 0,
+    PL_UNIX_SIZE_NUMBER
+  } size;
+
+  enum {
+    PL_UNIX_TIME_PREPART1 = 0,
+    PL_UNIX_TIME_PART1,
+    PL_UNIX_TIME_PREPART2,
+    PL_UNIX_TIME_PART2,
+    PL_UNIX_TIME_PREPART3,
+    PL_UNIX_TIME_PART3
+  } time;
+
+  enum {
+    PL_UNIX_FILENAME_PRESPACE = 0,
+    PL_UNIX_FILENAME_NAME,
+    PL_UNIX_FILENAME_WINDOWSEOL
+  } filename;
+
+  enum {
+    PL_UNIX_SYMLINK_PRESPACE = 0,
+    PL_UNIX_SYMLINK_NAME,
+    PL_UNIX_SYMLINK_PRETARGET1,
+    PL_UNIX_SYMLINK_PRETARGET2,
+    PL_UNIX_SYMLINK_PRETARGET3,
+    PL_UNIX_SYMLINK_PRETARGET4,
+    PL_UNIX_SYMLINK_TARGET,
+    PL_UNIX_SYMLINK_WINDOWSEOL
+  } symlink;
+} pl_unix_substate;
+
+typedef enum {
+  PL_WINNT_DATE = 0,
+  PL_WINNT_TIME,
+  PL_WINNT_DIRORSIZE,
+  PL_WINNT_FILENAME
+} pl_winNT_mainstate;
+
+typedef union {
+  enum {
+    PL_WINNT_TIME_PRESPACE = 0,
+    PL_WINNT_TIME_TIME
+  } time;
+  enum {
+    PL_WINNT_DIRORSIZE_PRESPACE = 0,
+    PL_WINNT_DIRORSIZE_CONTENT
+  } dirorsize;
+  enum {
+    PL_WINNT_FILENAME_PRESPACE = 0,
+    PL_WINNT_FILENAME_CONTENT,
+    PL_WINNT_FILENAME_WINEOL
+  } filename;
+} pl_winNT_substate;
+
+/* This struct is used in wildcard downloading - for parsing LIST response */
+struct ftp_parselist_data {
+  enum {
+    OS_TYPE_UNKNOWN = 0,
+    OS_TYPE_UNIX,
+    OS_TYPE_WIN_NT
+  } os_type;
+
+  union {
+    struct {
+      pl_unix_mainstate main;
+      pl_unix_substate sub;
+    } UNIX;
+
+    struct {
+      pl_winNT_mainstate main;
+      pl_winNT_substate sub;
+    } NT;
+  } state;
+
+  CURLcode error;
+  struct fileinfo *file_data;
+  unsigned int item_length;
+  size_t item_offset;
+  struct {
+    size_t filename;
+    size_t user;
+    size_t group;
+    size_t time;
+    size_t perm;
+    size_t symlink_target;
+  } offsets;
+};
+
+struct ftp_parselist_data *Curl_ftp_parselist_data_alloc(void)
+{
+  return calloc(1, sizeof(struct ftp_parselist_data));
+}
+
+
+void Curl_ftp_parselist_data_free(struct ftp_parselist_data **parserp)
+{
+  struct ftp_parselist_data *parser = *parserp;
+  if(parser)
+    Curl_fileinfo_cleanup(parser->file_data);
+  free(parser);
+  *parserp = NULL;
+}
+
+
+CURLcode Curl_ftp_parselist_geterror(struct ftp_parselist_data *pl_data)
+{
+  return pl_data->error;
+}
+
+
+#define FTP_LP_MALFORMATED_PERM 0x01000000
+
+static int ftp_pl_get_permission(const char *str)
+{
+  int permissions = 0;
+  /* USER */
+  if(str[0] == 'r')
+    permissions |= 1 << 8;
+  else if(str[0] != '-')
+    permissions |= FTP_LP_MALFORMATED_PERM;
+  if(str[1] == 'w')
+    permissions |= 1 << 7;
+  else if(str[1] != '-')
+    permissions |= FTP_LP_MALFORMATED_PERM;
+
+  if(str[2] == 'x')
+    permissions |= 1 << 6;
+  else if(str[2] == 's') {
+    permissions |= 1 << 6;
+    permissions |= 1 << 11;
+  }
+  else if(str[2] == 'S')
+    permissions |= 1 << 11;
+  else if(str[2] != '-')
+    permissions |= FTP_LP_MALFORMATED_PERM;
+  /* GROUP */
+  if(str[3] == 'r')
+    permissions |= 1 << 5;
+  else if(str[3] != '-')
+    permissions |= FTP_LP_MALFORMATED_PERM;
+  if(str[4] == 'w')
+    permissions |= 1 << 4;
+  else if(str[4] != '-')
+    permissions |= FTP_LP_MALFORMATED_PERM;
+  if(str[5] == 'x')
+    permissions |= 1 << 3;
+  else if(str[5] == 's') {
+    permissions |= 1 << 3;
+    permissions |= 1 << 10;
+  }
+  else if(str[5] == 'S')
+    permissions |= 1 << 10;
+  else if(str[5] != '-')
+    permissions |= FTP_LP_MALFORMATED_PERM;
+  /* others */
+  if(str[6] == 'r')
+    permissions |= 1 << 2;
+  else if(str[6] != '-')
+    permissions |= FTP_LP_MALFORMATED_PERM;
+  if(str[7] == 'w')
+    permissions |= 1 << 1;
+  else if(str[7] != '-')
+      permissions |= FTP_LP_MALFORMATED_PERM;
+  if(str[8] == 'x')
+    permissions |= 1;
+  else if(str[8] == 't') {
+    permissions |= 1;
+    permissions |= 1 << 9;
+  }
+  else if(str[8] == 'T')
+    permissions |= 1 << 9;
+  else if(str[8] != '-')
+    permissions |= FTP_LP_MALFORMATED_PERM;
+
+  return permissions;
+}
+
+static CURLcode ftp_pl_insert_finfo(struct connectdata *conn,
+                                    struct fileinfo *infop)
+{
+  curl_fnmatch_callback compare;
+  struct WildcardData *wc = &conn->data->wildcard;
+  struct ftp_wc *ftpwc = wc->protdata;
+  struct curl_llist *llist = &wc->filelist;
+  struct ftp_parselist_data *parser = ftpwc->parser;
+  bool add = TRUE;
+  struct curl_fileinfo *finfo = &infop->info;
+
+  /* move finfo pointers to b_data */
+  char *str = finfo->b_data;
+  finfo->filename       = str + parser->offsets.filename;
+  finfo->strings.group  = parser->offsets.group ?
+                          str + parser->offsets.group : NULL;
+  finfo->strings.perm   = parser->offsets.perm ?
+                          str + parser->offsets.perm : NULL;
+  finfo->strings.target = parser->offsets.symlink_target ?
+                          str + parser->offsets.symlink_target : NULL;
+  finfo->strings.time   = str + parser->offsets.time;
+  finfo->strings.user   = parser->offsets.user ?
+                          str + parser->offsets.user : NULL;
+
+  /* get correct fnmatch callback */
+  compare = conn->data->set.fnmatch;
+  if(!compare)
+    compare = Curl_fnmatch;
+
+  /* filter pattern-corresponding filenames */
+  Curl_set_in_callback(conn->data, true);
+  if(compare(conn->data->set.fnmatch_data, wc->pattern,
+             finfo->filename) == 0) {
+    /* discard symlink which is containing multiple " -> " */
+    if((finfo->filetype == CURLFILETYPE_SYMLINK) && finfo->strings.target &&
+       (strstr(finfo->strings.target, " -> "))) {
+      add = FALSE;
+    }
+  }
+  else {
+    add = FALSE;
+  }
+  Curl_set_in_callback(conn->data, false);
+
+  if(add) {
+    Curl_llist_insert_next(llist, llist->tail, finfo, &infop->list);
+  }
+  else {
+    Curl_fileinfo_cleanup(infop);
+  }
+
+  ftpwc->parser->file_data = NULL;
+  return CURLE_OK;
+}
+
+size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
+                          void *connptr)
+{
+  size_t bufflen = size*nmemb;
+  struct connectdata *conn = (struct connectdata *)connptr;
+  struct ftp_wc *ftpwc = conn->data->wildcard.protdata;
+  struct ftp_parselist_data *parser = ftpwc->parser;
+  struct fileinfo *infop;
+  struct curl_fileinfo *finfo;
+  unsigned long i = 0;
+  CURLcode result;
+  size_t retsize = bufflen;
+
+  if(parser->error) { /* error in previous call */
+    /* scenario:
+     * 1. call => OK..
+     * 2. call => OUT_OF_MEMORY (or other error)
+     * 3. (last) call => is skipped RIGHT HERE and the error is hadled later
+     *    in wc_statemach()
+     */
+    goto fail;
+  }
+
+  if(parser->os_type == OS_TYPE_UNKNOWN && bufflen > 0) {
+    /* considering info about FILE response format */
+    parser->os_type = (buffer[0] >= '0' && buffer[0] <= '9') ?
+                       OS_TYPE_WIN_NT : OS_TYPE_UNIX;
+  }
+
+  while(i < bufflen) { /* FSM */
+
+    char c = buffer[i];
+    if(!parser->file_data) { /* tmp file data is not allocated yet */
+      parser->file_data = Curl_fileinfo_alloc();
+      if(!parser->file_data) {
+        parser->error = CURLE_OUT_OF_MEMORY;
+        goto fail;
+      }
+      parser->file_data->info.b_data = malloc(FTP_BUFFER_ALLOCSIZE);
+      if(!parser->file_data->info.b_data) {
+        parser->error = CURLE_OUT_OF_MEMORY;
+        goto fail;
+      }
+      parser->file_data->info.b_size = FTP_BUFFER_ALLOCSIZE;
+      parser->item_offset = 0;
+      parser->item_length = 0;
+    }
+
+    infop = parser->file_data;
+    finfo = &infop->info;
+    finfo->b_data[finfo->b_used++] = c;
+
+    if(finfo->b_used >= finfo->b_size - 1) {
+      /* if it is important, extend buffer space for file data */
+      char *tmp = realloc(finfo->b_data,
+                          finfo->b_size + FTP_BUFFER_ALLOCSIZE);
+      if(tmp) {
+        finfo->b_size += FTP_BUFFER_ALLOCSIZE;
+        finfo->b_data = tmp;
+      }
+      else {
+        Curl_fileinfo_cleanup(parser->file_data);
+        parser->file_data = NULL;
+        parser->error = CURLE_OUT_OF_MEMORY;
+        goto fail;
+      }
+    }
+
+    switch(parser->os_type) {
+    case OS_TYPE_UNIX:
+      switch(parser->state.UNIX.main) {
+      case PL_UNIX_TOTALSIZE:
+        switch(parser->state.UNIX.sub.total_dirsize) {
+        case PL_UNIX_TOTALSIZE_INIT:
+          if(c == 't') {
+            parser->state.UNIX.sub.total_dirsize = PL_UNIX_TOTALSIZE_READING;
+            parser->item_length++;
+          }
+          else {
+            parser->state.UNIX.main = PL_UNIX_FILETYPE;
+            /* start FSM again not considering size of directory */
+            finfo->b_used = 0;
+            continue;
+          }
+          break;
+        case PL_UNIX_TOTALSIZE_READING:
+          parser->item_length++;
+          if(c == '\r') {
+            parser->item_length--;
+            finfo->b_used--;
+          }
+          else if(c == '\n') {
+            finfo->b_data[parser->item_length - 1] = 0;
+            if(strncmp("total ", finfo->b_data, 6) == 0) {
+              char *endptr = finfo->b_data + 6;
+              /* here we can deal with directory size, pass the leading white
+                 spaces and then the digits */
+              while(ISSPACE(*endptr))
+                endptr++;
+              while(ISDIGIT(*endptr))
+                endptr++;
+              if(*endptr != 0) {
+                parser->error = CURLE_FTP_BAD_FILE_LIST;
+                goto fail;
+              }
+              parser->state.UNIX.main = PL_UNIX_FILETYPE;
+              finfo->b_used = 0;
+            }
+            else {
+              parser->error = CURLE_FTP_BAD_FILE_LIST;
+              goto fail;
+            }
+          }
+          break;
+        }
+        break;
+      case PL_UNIX_FILETYPE:
+        switch(c) {
+        case '-':
+          finfo->filetype = CURLFILETYPE_FILE;
+          break;
+        case 'd':
+          finfo->filetype = CURLFILETYPE_DIRECTORY;
+          break;
+        case 'l':
+          finfo->filetype = CURLFILETYPE_SYMLINK;
+          break;
+        case 'p':
+          finfo->filetype = CURLFILETYPE_NAMEDPIPE;
+          break;
+        case 's':
+          finfo->filetype = CURLFILETYPE_SOCKET;
+          break;
+        case 'c':
+          finfo->filetype = CURLFILETYPE_DEVICE_CHAR;
+          break;
+        case 'b':
+          finfo->filetype = CURLFILETYPE_DEVICE_BLOCK;
+          break;
+        case 'D':
+          finfo->filetype = CURLFILETYPE_DOOR;
+          break;
+        default:
+          parser->error = CURLE_FTP_BAD_FILE_LIST;
+          goto fail;
+        }
+        parser->state.UNIX.main = PL_UNIX_PERMISSION;
+        parser->item_length = 0;
+        parser->item_offset = 1;
+        break;
+      case PL_UNIX_PERMISSION:
+        parser->item_length++;
+        if(parser->item_length <= 9) {
+          if(!strchr("rwx-tTsS", c)) {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+        }
+        else if(parser->item_length == 10) {
+          unsigned int perm;
+          if(c != ' ') {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+          finfo->b_data[10] = 0; /* terminate permissions */
+          perm = ftp_pl_get_permission(finfo->b_data + parser->item_offset);
+          if(perm & FTP_LP_MALFORMATED_PERM) {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+          parser->file_data->info.flags |= CURLFINFOFLAG_KNOWN_PERM;
+          parser->file_data->info.perm = perm;
+          parser->offsets.perm = parser->item_offset;
+
+          parser->item_length = 0;
+          parser->state.UNIX.main = PL_UNIX_HLINKS;
+          parser->state.UNIX.sub.hlinks = PL_UNIX_HLINKS_PRESPACE;
+        }
+        break;
+      case PL_UNIX_HLINKS:
+        switch(parser->state.UNIX.sub.hlinks) {
+        case PL_UNIX_HLINKS_PRESPACE:
+          if(c != ' ') {
+            if(c >= '0' && c <= '9') {
+              parser->item_offset = finfo->b_used - 1;
+              parser->item_length = 1;
+              parser->state.UNIX.sub.hlinks = PL_UNIX_HLINKS_NUMBER;
+            }
+            else {
+              parser->error = CURLE_FTP_BAD_FILE_LIST;
+              goto fail;
+            }
+          }
+          break;
+        case PL_UNIX_HLINKS_NUMBER:
+          parser->item_length ++;
+          if(c == ' ') {
+            char *p;
+            long int hlinks;
+            finfo->b_data[parser->item_offset + parser->item_length - 1] = 0;
+            hlinks = strtol(finfo->b_data + parser->item_offset, &p, 10);
+            if(p[0] == '\0' && hlinks != LONG_MAX && hlinks != LONG_MIN) {
+              parser->file_data->info.flags |= CURLFINFOFLAG_KNOWN_HLINKCOUNT;
+              parser->file_data->info.hardlinks = hlinks;
+            }
+            parser->item_length = 0;
+            parser->item_offset = 0;
+            parser->state.UNIX.main = PL_UNIX_USER;
+            parser->state.UNIX.sub.user = PL_UNIX_USER_PRESPACE;
+          }
+          else if(c < '0' || c > '9') {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+          break;
+        }
+        break;
+      case PL_UNIX_USER:
+        switch(parser->state.UNIX.sub.user) {
+        case PL_UNIX_USER_PRESPACE:
+          if(c != ' ') {
+            parser->item_offset = finfo->b_used - 1;
+            parser->item_length = 1;
+            parser->state.UNIX.sub.user = PL_UNIX_USER_PARSING;
+          }
+          break;
+        case PL_UNIX_USER_PARSING:
+          parser->item_length++;
+          if(c == ' ') {
+            finfo->b_data[parser->item_offset + parser->item_length - 1] = 0;
+            parser->offsets.user = parser->item_offset;
+            parser->state.UNIX.main = PL_UNIX_GROUP;
+            parser->state.UNIX.sub.group = PL_UNIX_GROUP_PRESPACE;
+            parser->item_offset = 0;
+            parser->item_length = 0;
+          }
+          break;
+        }
+        break;
+      case PL_UNIX_GROUP:
+        switch(parser->state.UNIX.sub.group) {
+        case PL_UNIX_GROUP_PRESPACE:
+          if(c != ' ') {
+            parser->item_offset = finfo->b_used - 1;
+            parser->item_length = 1;
+            parser->state.UNIX.sub.group = PL_UNIX_GROUP_NAME;
+          }
+          break;
+        case PL_UNIX_GROUP_NAME:
+          parser->item_length++;
+          if(c == ' ') {
+            finfo->b_data[parser->item_offset + parser->item_length - 1] = 0;
+            parser->offsets.group = parser->item_offset;
+            parser->state.UNIX.main = PL_UNIX_SIZE;
+            parser->state.UNIX.sub.size = PL_UNIX_SIZE_PRESPACE;
+            parser->item_offset = 0;
+            parser->item_length = 0;
+          }
+          break;
+        }
+        break;
+      case PL_UNIX_SIZE:
+        switch(parser->state.UNIX.sub.size) {
+        case PL_UNIX_SIZE_PRESPACE:
+          if(c != ' ') {
+            if(c >= '0' && c <= '9') {
+              parser->item_offset = finfo->b_used - 1;
+              parser->item_length = 1;
+              parser->state.UNIX.sub.size = PL_UNIX_SIZE_NUMBER;
+            }
+            else {
+              parser->error = CURLE_FTP_BAD_FILE_LIST;
+              goto fail;
+            }
+          }
+          break;
+        case PL_UNIX_SIZE_NUMBER:
+          parser->item_length++;
+          if(c == ' ') {
+            char *p;
+            curl_off_t fsize;
+            finfo->b_data[parser->item_offset + parser->item_length - 1] = 0;
+            if(!curlx_strtoofft(finfo->b_data + parser->item_offset,
+                                &p, 10, &fsize)) {
+              if(p[0] == '\0' && fsize != CURL_OFF_T_MAX &&
+                 fsize != CURL_OFF_T_MIN) {
+                parser->file_data->info.flags |= CURLFINFOFLAG_KNOWN_SIZE;
+                parser->file_data->info.size = fsize;
+              }
+              parser->item_length = 0;
+              parser->item_offset = 0;
+              parser->state.UNIX.main = PL_UNIX_TIME;
+              parser->state.UNIX.sub.time = PL_UNIX_TIME_PREPART1;
+            }
+          }
+          else if(!ISDIGIT(c)) {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+          break;
+        }
+        break;
+      case PL_UNIX_TIME:
+        switch(parser->state.UNIX.sub.time) {
+        case PL_UNIX_TIME_PREPART1:
+          if(c != ' ') {
+            if(ISALNUM(c)) {
+              parser->item_offset = finfo->b_used -1;
+              parser->item_length = 1;
+              parser->state.UNIX.sub.time = PL_UNIX_TIME_PART1;
+            }
+            else {
+              parser->error = CURLE_FTP_BAD_FILE_LIST;
+              goto fail;
+            }
+          }
+          break;
+        case PL_UNIX_TIME_PART1:
+          parser->item_length++;
+          if(c == ' ') {
+            parser->state.UNIX.sub.time = PL_UNIX_TIME_PREPART2;
+          }
+          else if(!ISALNUM(c) && c != '.') {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+          break;
+        case PL_UNIX_TIME_PREPART2:
+          parser->item_length++;
+          if(c != ' ') {
+            if(ISALNUM(c)) {
+              parser->state.UNIX.sub.time = PL_UNIX_TIME_PART2;
+            }
+            else {
+              parser->error = CURLE_FTP_BAD_FILE_LIST;
+              goto fail;
+            }
+          }
+          break;
+        case PL_UNIX_TIME_PART2:
+          parser->item_length++;
+          if(c == ' ') {
+            parser->state.UNIX.sub.time = PL_UNIX_TIME_PREPART3;
+          }
+          else if(!ISALNUM(c) && c != '.') {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+          break;
+        case PL_UNIX_TIME_PREPART3:
+          parser->item_length++;
+          if(c != ' ') {
+            if(ISALNUM(c)) {
+              parser->state.UNIX.sub.time = PL_UNIX_TIME_PART3;
+            }
+            else {
+              parser->error = CURLE_FTP_BAD_FILE_LIST;
+              goto fail;
+            }
+          }
+          break;
+        case PL_UNIX_TIME_PART3:
+          parser->item_length++;
+          if(c == ' ') {
+            finfo->b_data[parser->item_offset + parser->item_length -1] = 0;
+            parser->offsets.time = parser->item_offset;
+            /*
+              if(ftp_pl_gettime(parser, finfo->b_data + parser->item_offset)) {
+                parser->file_data->flags |= CURLFINFOFLAG_KNOWN_TIME;
+              }
+            */
+            if(finfo->filetype == CURLFILETYPE_SYMLINK) {
+              parser->state.UNIX.main = PL_UNIX_SYMLINK;
+              parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_PRESPACE;
+            }
+            else {
+              parser->state.UNIX.main = PL_UNIX_FILENAME;
+              parser->state.UNIX.sub.filename = PL_UNIX_FILENAME_PRESPACE;
+            }
+          }
+          else if(!ISALNUM(c) && c != '.' && c != ':') {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+          break;
+        }
+        break;
+      case PL_UNIX_FILENAME:
+        switch(parser->state.UNIX.sub.filename) {
+        case PL_UNIX_FILENAME_PRESPACE:
+          if(c != ' ') {
+            parser->item_offset = finfo->b_used - 1;
+            parser->item_length = 1;
+            parser->state.UNIX.sub.filename = PL_UNIX_FILENAME_NAME;
+          }
+          break;
+        case PL_UNIX_FILENAME_NAME:
+          parser->item_length++;
+          if(c == '\r') {
+            parser->state.UNIX.sub.filename = PL_UNIX_FILENAME_WINDOWSEOL;
+          }
+          else if(c == '\n') {
+            finfo->b_data[parser->item_offset + parser->item_length - 1] = 0;
+            parser->offsets.filename = parser->item_offset;
+            parser->state.UNIX.main = PL_UNIX_FILETYPE;
+            result = ftp_pl_insert_finfo(conn, infop);
+            if(result) {
+              parser->error = result;
+              goto fail;
+            }
+          }
+          break;
+        case PL_UNIX_FILENAME_WINDOWSEOL:
+          if(c == '\n') {
+            finfo->b_data[parser->item_offset + parser->item_length - 1] = 0;
+            parser->offsets.filename = parser->item_offset;
+            parser->state.UNIX.main = PL_UNIX_FILETYPE;
+            result = ftp_pl_insert_finfo(conn, infop);
+            if(result) {
+              parser->error = result;
+              goto fail;
+            }
+          }
+          else {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+          break;
+        }
+        break;
+      case PL_UNIX_SYMLINK:
+        switch(parser->state.UNIX.sub.symlink) {
+        case PL_UNIX_SYMLINK_PRESPACE:
+          if(c != ' ') {
+            parser->item_offset = finfo->b_used - 1;
+            parser->item_length = 1;
+            parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_NAME;
+          }
+          break;
+        case PL_UNIX_SYMLINK_NAME:
+          parser->item_length++;
+          if(c == ' ') {
+            parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_PRETARGET1;
+          }
+          else if(c == '\r' || c == '\n') {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+          break;
+        case PL_UNIX_SYMLINK_PRETARGET1:
+          parser->item_length++;
+          if(c == '-') {
+            parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_PRETARGET2;
+          }
+          else if(c == '\r' || c == '\n') {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+          else {
+            parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_NAME;
+          }
+          break;
+        case PL_UNIX_SYMLINK_PRETARGET2:
+          parser->item_length++;
+          if(c == '>') {
+            parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_PRETARGET3;
+          }
+          else if(c == '\r' || c == '\n') {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+          else {
+            parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_NAME;
+          }
+          break;
+        case PL_UNIX_SYMLINK_PRETARGET3:
+          parser->item_length++;
+          if(c == ' ') {
+            parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_PRETARGET4;
+            /* now place where is symlink following */
+            finfo->b_data[parser->item_offset + parser->item_length - 4] = 0;
+            parser->offsets.filename = parser->item_offset;
+            parser->item_length = 0;
+            parser->item_offset = 0;
+          }
+          else if(c == '\r' || c == '\n') {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+          else {
+            parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_NAME;
+          }
+          break;
+        case PL_UNIX_SYMLINK_PRETARGET4:
+          if(c != '\r' && c != '\n') {
+            parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_TARGET;
+            parser->item_offset = finfo->b_used - 1;
+            parser->item_length = 1;
+          }
+          else {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+          break;
+        case PL_UNIX_SYMLINK_TARGET:
+          parser->item_length++;
+          if(c == '\r') {
+            parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_WINDOWSEOL;
+          }
+          else if(c == '\n') {
+            finfo->b_data[parser->item_offset + parser->item_length - 1] = 0;
+            parser->offsets.symlink_target = parser->item_offset;
+            result = ftp_pl_insert_finfo(conn, infop);
+            if(result) {
+              parser->error = result;
+              goto fail;
+            }
+            parser->state.UNIX.main = PL_UNIX_FILETYPE;
+          }
+          break;
+        case PL_UNIX_SYMLINK_WINDOWSEOL:
+          if(c == '\n') {
+            finfo->b_data[parser->item_offset + parser->item_length - 1] = 0;
+            parser->offsets.symlink_target = parser->item_offset;
+            result = ftp_pl_insert_finfo(conn, infop);
+            if(result) {
+              parser->error = result;
+              goto fail;
+            }
+            parser->state.UNIX.main = PL_UNIX_FILETYPE;
+          }
+          else {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+          break;
+        }
+        break;
+      }
+      break;
+    case OS_TYPE_WIN_NT:
+      switch(parser->state.NT.main) {
+      case PL_WINNT_DATE:
+        parser->item_length++;
+        if(parser->item_length < 9) {
+          if(!strchr("0123456789-", c)) { /* only simple control */
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+        }
+        else if(parser->item_length == 9) {
+          if(c == ' ') {
+            parser->state.NT.main = PL_WINNT_TIME;
+            parser->state.NT.sub.time = PL_WINNT_TIME_PRESPACE;
+          }
+          else {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+        }
+        else {
+          parser->error = CURLE_FTP_BAD_FILE_LIST;
+          goto fail;
+        }
+        break;
+      case PL_WINNT_TIME:
+        parser->item_length++;
+        switch(parser->state.NT.sub.time) {
+        case PL_WINNT_TIME_PRESPACE:
+          if(!ISSPACE(c)) {
+            parser->state.NT.sub.time = PL_WINNT_TIME_TIME;
+          }
+          break;
+        case PL_WINNT_TIME_TIME:
+          if(c == ' ') {
+            parser->offsets.time = parser->item_offset;
+            finfo->b_data[parser->item_offset + parser->item_length -1] = 0;
+            parser->state.NT.main = PL_WINNT_DIRORSIZE;
+            parser->state.NT.sub.dirorsize = PL_WINNT_DIRORSIZE_PRESPACE;
+            parser->item_length = 0;
+          }
+          else if(!strchr("APM0123456789:", c)) {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+          break;
+        }
+        break;
+      case PL_WINNT_DIRORSIZE:
+        switch(parser->state.NT.sub.dirorsize) {
+        case PL_WINNT_DIRORSIZE_PRESPACE:
+          if(c == ' ') {
+
+          }
+          else {
+            parser->item_offset = finfo->b_used - 1;
+            parser->item_length = 1;
+            parser->state.NT.sub.dirorsize = PL_WINNT_DIRORSIZE_CONTENT;
+          }
+          break;
+        case PL_WINNT_DIRORSIZE_CONTENT:
+          parser->item_length ++;
+          if(c == ' ') {
+            finfo->b_data[parser->item_offset + parser->item_length - 1] = 0;
+            if(strcmp("<DIR>", finfo->b_data + parser->item_offset) == 0) {
+              finfo->filetype = CURLFILETYPE_DIRECTORY;
+              finfo->size = 0;
+            }
+            else {
+              char *endptr;
+              if(curlx_strtoofft(finfo->b_data +
+                                 parser->item_offset,
+                                 &endptr, 10, &finfo->size)) {
+                parser->error = CURLE_FTP_BAD_FILE_LIST;
+                goto fail;
+              }
+              /* correct file type */
+              parser->file_data->info.filetype = CURLFILETYPE_FILE;
+            }
+
+            parser->file_data->info.flags |= CURLFINFOFLAG_KNOWN_SIZE;
+            parser->item_length = 0;
+            parser->state.NT.main = PL_WINNT_FILENAME;
+            parser->state.NT.sub.filename = PL_WINNT_FILENAME_PRESPACE;
+          }
+          break;
+        }
+        break;
+      case PL_WINNT_FILENAME:
+        switch(parser->state.NT.sub.filename) {
+        case PL_WINNT_FILENAME_PRESPACE:
+          if(c != ' ') {
+            parser->item_offset = finfo->b_used -1;
+            parser->item_length = 1;
+            parser->state.NT.sub.filename = PL_WINNT_FILENAME_CONTENT;
+          }
+          break;
+        case PL_WINNT_FILENAME_CONTENT:
+          parser->item_length++;
+          if(c == '\r') {
+            parser->state.NT.sub.filename = PL_WINNT_FILENAME_WINEOL;
+            finfo->b_data[finfo->b_used - 1] = 0;
+          }
+          else if(c == '\n') {
+            parser->offsets.filename = parser->item_offset;
+            finfo->b_data[finfo->b_used - 1] = 0;
+            parser->offsets.filename = parser->item_offset;
+            result = ftp_pl_insert_finfo(conn, infop);
+            if(result) {
+              parser->error = result;
+              goto fail;
+            }
+            parser->state.NT.main = PL_WINNT_DATE;
+            parser->state.NT.sub.filename = PL_WINNT_FILENAME_PRESPACE;
+          }
+          break;
+        case PL_WINNT_FILENAME_WINEOL:
+          if(c == '\n') {
+            parser->offsets.filename = parser->item_offset;
+            result = ftp_pl_insert_finfo(conn, infop);
+            if(result) {
+              parser->error = result;
+              goto fail;
+            }
+            parser->state.NT.main = PL_WINNT_DATE;
+            parser->state.NT.sub.filename = PL_WINNT_FILENAME_PRESPACE;
+          }
+          else {
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
+          }
+          break;
+        }
+        break;
+      }
+      break;
+    default:
+      retsize = bufflen + 1;
+      goto fail;
+    }
+
+    i++;
+  }
+  return retsize;
+
+fail:
+
+  /* Clean up any allocated memory. */
+  if(parser->file_data) {
+    Curl_fileinfo_cleanup(parser->file_data);
+    parser->file_data = NULL;
+  }
+
+  return retsize;
+}
+
+#endif /* CURL_DISABLE_FTP */
Index: trunk/src/libs/curl-7.64.0/lib/ftplistparser.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/ftplistparser.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/ftplistparser.h	(revision 85671)
@@ -0,0 +1,41 @@
+#ifndef HEADER_CURL_FTPLISTPARSER_H
+#define HEADER_CURL_FTPLISTPARSER_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_FTP
+
+/* WRITEFUNCTION callback for parsing LIST responses */
+size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
+                          void *connptr);
+
+struct ftp_parselist_data; /* defined inside ftplibparser.c */
+
+CURLcode Curl_ftp_parselist_geterror(struct ftp_parselist_data *pl_data);
+
+struct ftp_parselist_data *Curl_ftp_parselist_data_alloc(void);
+
+void Curl_ftp_parselist_data_free(struct ftp_parselist_data **pl_data);
+
+#endif /* CURL_DISABLE_FTP */
+#endif /* HEADER_CURL_FTPLISTPARSER_H */
Index: trunk/src/libs/curl-7.64.0/lib/getenv.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/getenv.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/getenv.c	(revision 85671)
@@ -0,0 +1,54 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+#include "curl_memory.h"
+
+#include "memdebug.h"
+
+static
+char *GetEnv(const char *variable)
+{
+#if defined(_WIN32_WCE) || defined(CURL_WINDOWS_APP)
+  (void)variable;
+  return NULL;
+#else
+#ifdef WIN32
+  char env[MAX_PATH]; /* MAX_PATH is from windef.h */
+  char *temp = getenv(variable);
+  env[0] = '\0';
+  if(temp != NULL)
+    ExpandEnvironmentStringsA(temp, env, sizeof(env));
+  return (env[0] != '\0')?strdup(env):NULL;
+#else
+  char *env = getenv(variable);
+  return (env && env[0])?strdup(env):NULL;
+#endif
+#endif
+}
+
+char *curl_getenv(const char *v)
+{
+  return GetEnv(v);
+}
Index: trunk/src/libs/curl-7.64.0/lib/getinfo.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/getinfo.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/getinfo.c	(revision 85671)
@@ -0,0 +1,490 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#include "urldata.h"
+#include "getinfo.h"
+
+#include "vtls/vtls.h"
+#include "connect.h" /* Curl_getconnectinfo() */
+#include "progress.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Initialize statistical and informational data.
+ *
+ * This function is called in curl_easy_reset, curl_easy_duphandle and at the
+ * beginning of a perform session. It must reset the session-info variables,
+ * in particular all variables in struct PureInfo.
+ */
+CURLcode Curl_initinfo(struct Curl_easy *data)
+{
+  struct Progress *pro = &data->progress;
+  struct PureInfo *info = &data->info;
+
+  pro->t_nslookup = 0;
+  pro->t_connect = 0;
+  pro->t_appconnect = 0;
+  pro->t_pretransfer = 0;
+  pro->t_starttransfer = 0;
+  pro->timespent = 0;
+  pro->t_redirect = 0;
+  pro->is_t_startransfer_set = false;
+
+  info->httpcode = 0;
+  info->httpproxycode = 0;
+  info->httpversion = 0;
+  info->filetime = -1; /* -1 is an illegal time and thus means unknown */
+  info->timecond = FALSE;
+
+  info->header_size = 0;
+  info->request_size = 0;
+  info->proxyauthavail = 0;
+  info->httpauthavail = 0;
+  info->numconnects = 0;
+
+  free(info->contenttype);
+  info->contenttype = NULL;
+
+  free(info->wouldredirect);
+  info->wouldredirect = NULL;
+
+  info->conn_primary_ip[0] = '\0';
+  info->conn_local_ip[0] = '\0';
+  info->conn_primary_port = 0;
+  info->conn_local_port = 0;
+
+  info->conn_scheme = 0;
+  info->conn_protocol = 0;
+
+#ifdef USE_SSL
+  Curl_ssl_free_certinfo(data);
+#endif
+  return CURLE_OK;
+}
+
+static CURLcode getinfo_char(struct Curl_easy *data, CURLINFO info,
+                             const char **param_charp)
+{
+  switch(info) {
+  case CURLINFO_EFFECTIVE_URL:
+    *param_charp = data->change.url?data->change.url:(char *)"";
+    break;
+  case CURLINFO_CONTENT_TYPE:
+    *param_charp = data->info.contenttype;
+    break;
+  case CURLINFO_PRIVATE:
+    *param_charp = (char *) data->set.private_data;
+    break;
+  case CURLINFO_FTP_ENTRY_PATH:
+    /* Return the entrypath string from the most recent connection.
+       This pointer was copied from the connectdata structure by FTP.
+       The actual string may be free()ed by subsequent libcurl calls so
+       it must be copied to a safer area before the next libcurl call.
+       Callers must never free it themselves. */
+    *param_charp = data->state.most_recent_ftp_entrypath;
+    break;
+  case CURLINFO_REDIRECT_URL:
+    /* Return the URL this request would have been redirected to if that
+       option had been enabled! */
+    *param_charp = data->info.wouldredirect;
+    break;
+  case CURLINFO_PRIMARY_IP:
+    /* Return the ip address of the most recent (primary) connection */
+    *param_charp = data->info.conn_primary_ip;
+    break;
+  case CURLINFO_LOCAL_IP:
+    /* Return the source/local ip address of the most recent (primary)
+       connection */
+    *param_charp = data->info.conn_local_ip;
+    break;
+  case CURLINFO_RTSP_SESSION_ID:
+    *param_charp = data->set.str[STRING_RTSP_SESSION_ID];
+    break;
+  case CURLINFO_SCHEME:
+    *param_charp = data->info.conn_scheme;
+    break;
+
+  default:
+    return CURLE_UNKNOWN_OPTION;
+  }
+
+  return CURLE_OK;
+}
+
+static CURLcode getinfo_long(struct Curl_easy *data, CURLINFO info,
+                             long *param_longp)
+{
+  curl_socket_t sockfd;
+
+  union {
+    unsigned long *to_ulong;
+    long          *to_long;
+  } lptr;
+
+  switch(info) {
+  case CURLINFO_RESPONSE_CODE:
+    *param_longp = data->info.httpcode;
+    break;
+  case CURLINFO_HTTP_CONNECTCODE:
+    *param_longp = data->info.httpproxycode;
+    break;
+  case CURLINFO_FILETIME:
+    if(data->info.filetime > LONG_MAX)
+      *param_longp = LONG_MAX;
+    else if(data->info.filetime < LONG_MIN)
+      *param_longp = LONG_MIN;
+    else
+      *param_longp = (long)data->info.filetime;
+    break;
+  case CURLINFO_HEADER_SIZE:
+    *param_longp = data->info.header_size;
+    break;
+  case CURLINFO_REQUEST_SIZE:
+    *param_longp = data->info.request_size;
+    break;
+  case CURLINFO_SSL_VERIFYRESULT:
+    *param_longp = data->set.ssl.certverifyresult;
+    break;
+  case CURLINFO_PROXY_SSL_VERIFYRESULT:
+    *param_longp = data->set.proxy_ssl.certverifyresult;
+    break;
+  case CURLINFO_REDIRECT_COUNT:
+    *param_longp = data->set.followlocation;
+    break;
+  case CURLINFO_HTTPAUTH_AVAIL:
+    lptr.to_long = param_longp;
+    *lptr.to_ulong = data->info.httpauthavail;
+    break;
+  case CURLINFO_PROXYAUTH_AVAIL:
+    lptr.to_long = param_longp;
+    *lptr.to_ulong = data->info.proxyauthavail;
+    break;
+  case CURLINFO_OS_ERRNO:
+    *param_longp = data->state.os_errno;
+    break;
+  case CURLINFO_NUM_CONNECTS:
+    *param_longp = data->info.numconnects;
+    break;
+  case CURLINFO_LASTSOCKET:
+    sockfd = Curl_getconnectinfo(data, NULL);
+
+    /* note: this is not a good conversion for systems with 64 bit sockets and
+       32 bit longs */
+    if(sockfd != CURL_SOCKET_BAD)
+      *param_longp = (long)sockfd;
+    else
+      /* this interface is documented to return -1 in case of badness, which
+         may not be the same as the CURL_SOCKET_BAD value */
+      *param_longp = -1;
+    break;
+  case CURLINFO_PRIMARY_PORT:
+    /* Return the (remote) port of the most recent (primary) connection */
+    *param_longp = data->info.conn_primary_port;
+    break;
+  case CURLINFO_LOCAL_PORT:
+    /* Return the local port of the most recent (primary) connection */
+    *param_longp = data->info.conn_local_port;
+    break;
+  case CURLINFO_CONDITION_UNMET:
+    /* return if the condition prevented the document to get transferred */
+    *param_longp = data->info.timecond ? 1L : 0L;
+    break;
+  case CURLINFO_RTSP_CLIENT_CSEQ:
+    *param_longp = data->state.rtsp_next_client_CSeq;
+    break;
+  case CURLINFO_RTSP_SERVER_CSEQ:
+    *param_longp = data->state.rtsp_next_server_CSeq;
+    break;
+  case CURLINFO_RTSP_CSEQ_RECV:
+    *param_longp = data->state.rtsp_CSeq_recv;
+    break;
+  case CURLINFO_HTTP_VERSION:
+    switch(data->info.httpversion) {
+    case 10:
+      *param_longp = CURL_HTTP_VERSION_1_0;
+      break;
+    case 11:
+      *param_longp = CURL_HTTP_VERSION_1_1;
+      break;
+    case 20:
+      *param_longp = CURL_HTTP_VERSION_2_0;
+      break;
+    default:
+      *param_longp = CURL_HTTP_VERSION_NONE;
+      break;
+    }
+    break;
+  case CURLINFO_PROTOCOL:
+    *param_longp = data->info.conn_protocol;
+    break;
+
+  default:
+    return CURLE_UNKNOWN_OPTION;
+  }
+
+  return CURLE_OK;
+}
+
+#define DOUBLE_SECS(x) (double)(x)/1000000
+
+static CURLcode getinfo_offt(struct Curl_easy *data, CURLINFO info,
+                             curl_off_t *param_offt)
+{
+  switch(info) {
+  case CURLINFO_FILETIME_T:
+    *param_offt = (curl_off_t)data->info.filetime;
+    break;
+  case CURLINFO_SIZE_UPLOAD_T:
+    *param_offt = data->progress.uploaded;
+    break;
+  case CURLINFO_SIZE_DOWNLOAD_T:
+    *param_offt = data->progress.downloaded;
+    break;
+  case CURLINFO_SPEED_DOWNLOAD_T:
+    *param_offt =  data->progress.dlspeed;
+    break;
+  case CURLINFO_SPEED_UPLOAD_T:
+    *param_offt = data->progress.ulspeed;
+    break;
+  case CURLINFO_CONTENT_LENGTH_DOWNLOAD_T:
+    *param_offt = (data->progress.flags & PGRS_DL_SIZE_KNOWN)?
+      data->progress.size_dl:-1;
+    break;
+  case CURLINFO_CONTENT_LENGTH_UPLOAD_T:
+    *param_offt = (data->progress.flags & PGRS_UL_SIZE_KNOWN)?
+      data->progress.size_ul:-1;
+    break;
+  case CURLINFO_TOTAL_TIME_T:
+    *param_offt = data->progress.timespent;
+    break;
+  case CURLINFO_NAMELOOKUP_TIME_T:
+    *param_offt = data->progress.t_nslookup;
+    break;
+  case CURLINFO_CONNECT_TIME_T:
+    *param_offt = data->progress.t_connect;
+    break;
+  case CURLINFO_APPCONNECT_TIME_T:
+    *param_offt = data->progress.t_appconnect;
+    break;
+  case CURLINFO_PRETRANSFER_TIME_T:
+    *param_offt = data->progress.t_pretransfer;
+    break;
+  case CURLINFO_STARTTRANSFER_TIME_T:
+    *param_offt = data->progress.t_starttransfer;
+    break;
+  case CURLINFO_REDIRECT_TIME_T:
+    *param_offt = data->progress.t_redirect;
+    break;
+
+  default:
+    return CURLE_UNKNOWN_OPTION;
+  }
+
+  return CURLE_OK;
+}
+
+static CURLcode getinfo_double(struct Curl_easy *data, CURLINFO info,
+                               double *param_doublep)
+{
+  switch(info) {
+  case CURLINFO_TOTAL_TIME:
+    *param_doublep = DOUBLE_SECS(data->progress.timespent);
+    break;
+  case CURLINFO_NAMELOOKUP_TIME:
+    *param_doublep = DOUBLE_SECS(data->progress.t_nslookup);
+    break;
+  case CURLINFO_CONNECT_TIME:
+    *param_doublep = DOUBLE_SECS(data->progress.t_connect);
+    break;
+  case CURLINFO_APPCONNECT_TIME:
+    *param_doublep = DOUBLE_SECS(data->progress.t_appconnect);
+    break;
+  case CURLINFO_PRETRANSFER_TIME:
+    *param_doublep = DOUBLE_SECS(data->progress.t_pretransfer);
+    break;
+  case CURLINFO_STARTTRANSFER_TIME:
+    *param_doublep = DOUBLE_SECS(data->progress.t_starttransfer);
+    break;
+  case CURLINFO_SIZE_UPLOAD:
+    *param_doublep =  (double)data->progress.uploaded;
+    break;
+  case CURLINFO_SIZE_DOWNLOAD:
+    *param_doublep = (double)data->progress.downloaded;
+    break;
+  case CURLINFO_SPEED_DOWNLOAD:
+    *param_doublep =  (double)data->progress.dlspeed;
+    break;
+  case CURLINFO_SPEED_UPLOAD:
+    *param_doublep = (double)data->progress.ulspeed;
+    break;
+  case CURLINFO_CONTENT_LENGTH_DOWNLOAD:
+    *param_doublep = (data->progress.flags & PGRS_DL_SIZE_KNOWN)?
+      (double)data->progress.size_dl:-1;
+    break;
+  case CURLINFO_CONTENT_LENGTH_UPLOAD:
+    *param_doublep = (data->progress.flags & PGRS_UL_SIZE_KNOWN)?
+      (double)data->progress.size_ul:-1;
+    break;
+  case CURLINFO_REDIRECT_TIME:
+    *param_doublep = DOUBLE_SECS(data->progress.t_redirect);
+    break;
+
+  default:
+    return CURLE_UNKNOWN_OPTION;
+  }
+
+  return CURLE_OK;
+}
+
+static CURLcode getinfo_slist(struct Curl_easy *data, CURLINFO info,
+                              struct curl_slist **param_slistp)
+{
+  union {
+    struct curl_certinfo *to_certinfo;
+    struct curl_slist    *to_slist;
+  } ptr;
+
+  switch(info) {
+  case CURLINFO_SSL_ENGINES:
+    *param_slistp = Curl_ssl_engines_list(data);
+    break;
+  case CURLINFO_COOKIELIST:
+    *param_slistp = Curl_cookie_list(data);
+    break;
+  case CURLINFO_CERTINFO:
+    /* Return the a pointer to the certinfo struct. Not really an slist
+       pointer but we can pretend it is here */
+    ptr.to_certinfo = &data->info.certs;
+    *param_slistp = ptr.to_slist;
+    break;
+  case CURLINFO_TLS_SESSION:
+  case CURLINFO_TLS_SSL_PTR:
+    {
+      struct curl_tlssessioninfo **tsip = (struct curl_tlssessioninfo **)
+                                          param_slistp;
+      struct curl_tlssessioninfo *tsi = &data->tsi;
+#ifdef USE_SSL
+      struct connectdata *conn = data->conn;
+#endif
+
+      *tsip = tsi;
+      tsi->backend = Curl_ssl_backend();
+      tsi->internals = NULL;
+
+#ifdef USE_SSL
+      if(conn && tsi->backend != CURLSSLBACKEND_NONE) {
+        unsigned int i;
+        for(i = 0; i < (sizeof(conn->ssl) / sizeof(conn->ssl[0])); ++i) {
+          if(conn->ssl[i].use) {
+            tsi->internals = Curl_ssl->get_internals(&conn->ssl[i], info);
+            break;
+          }
+        }
+      }
+#endif
+    }
+    break;
+  default:
+    return CURLE_UNKNOWN_OPTION;
+  }
+
+  return CURLE_OK;
+}
+
+static CURLcode getinfo_socket(struct Curl_easy *data, CURLINFO info,
+                               curl_socket_t *param_socketp)
+{
+  switch(info) {
+  case CURLINFO_ACTIVESOCKET:
+    *param_socketp = Curl_getconnectinfo(data, NULL);
+    break;
+  default:
+    return CURLE_UNKNOWN_OPTION;
+  }
+
+  return CURLE_OK;
+}
+
+CURLcode Curl_getinfo(struct Curl_easy *data, CURLINFO info, ...)
+{
+  va_list arg;
+  long *param_longp = NULL;
+  double *param_doublep = NULL;
+  curl_off_t *param_offt = NULL;
+  const char **param_charp = NULL;
+  struct curl_slist **param_slistp = NULL;
+  curl_socket_t *param_socketp = NULL;
+  int type;
+  CURLcode result = CURLE_UNKNOWN_OPTION;
+
+  if(!data)
+    return result;
+
+  va_start(arg, info);
+
+  type = CURLINFO_TYPEMASK & (int)info;
+  switch(type) {
+  case CURLINFO_STRING:
+    param_charp = va_arg(arg, const char **);
+    if(param_charp)
+      result = getinfo_char(data, info, param_charp);
+    break;
+  case CURLINFO_LONG:
+    param_longp = va_arg(arg, long *);
+    if(param_longp)
+      result = getinfo_long(data, info, param_longp);
+    break;
+  case CURLINFO_DOUBLE:
+    param_doublep = va_arg(arg, double *);
+    if(param_doublep)
+      result = getinfo_double(data, info, param_doublep);
+    break;
+  case CURLINFO_OFF_T:
+    param_offt = va_arg(arg, curl_off_t *);
+    if(param_offt)
+      result = getinfo_offt(data, info, param_offt);
+    break;
+  case CURLINFO_SLIST:
+    param_slistp = va_arg(arg, struct curl_slist **);
+    if(param_slistp)
+      result = getinfo_slist(data, info, param_slistp);
+    break;
+  case CURLINFO_SOCKET:
+    param_socketp = va_arg(arg, curl_socket_t *);
+    if(param_socketp)
+      result = getinfo_socket(data, info, param_socketp);
+    break;
+  default:
+    break;
+  }
+
+  va_end(arg);
+
+  return result;
+}
Index: trunk/src/libs/curl-7.64.0/lib/getinfo.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/getinfo.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/getinfo.h	(revision 85671)
@@ -0,0 +1,27 @@
+#ifndef HEADER_CURL_GETINFO_H
+#define HEADER_CURL_GETINFO_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+CURLcode Curl_getinfo(struct Curl_easy *data, CURLINFO info, ...);
+CURLcode Curl_initinfo(struct Curl_easy *data);
+
+#endif /* HEADER_CURL_GETINFO_H */
Index: trunk/src/libs/curl-7.64.0/lib/gopher.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/gopher.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/gopher.c	(revision 85671)
@@ -0,0 +1,174 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_GOPHER
+
+#include "urldata.h"
+#include <curl/curl.h>
+#include "transfer.h"
+#include "sendf.h"
+#include "progress.h"
+#include "gopher.h"
+#include "select.h"
+#include "strdup.h"
+#include "url.h"
+#include "escape.h"
+#include "warnless.h"
+#include "curl_printf.h"
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/*
+ * Forward declarations.
+ */
+
+static CURLcode gopher_do(struct connectdata *conn, bool *done);
+
+/*
+ * Gopher protocol handler.
+ * This is also a nice simple template to build off for simple
+ * connect-command-download protocols.
+ */
+
+const struct Curl_handler Curl_handler_gopher = {
+  "GOPHER",                             /* scheme */
+  ZERO_NULL,                            /* setup_connection */
+  gopher_do,                            /* do_it */
+  ZERO_NULL,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  ZERO_NULL,                            /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  ZERO_NULL,                            /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_GOPHER,                          /* defport */
+  CURLPROTO_GOPHER,                     /* protocol */
+  PROTOPT_NONE                          /* flags */
+};
+
+static CURLcode gopher_do(struct connectdata *conn, bool *done)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  curl_socket_t sockfd = conn->sock[FIRSTSOCKET];
+
+  curl_off_t *bytecount = &data->req.bytecount;
+  char *gopherpath;
+  char *path = data->state.up.path;
+  char *query = data->state.up.query;
+  char *sel = NULL;
+  char *sel_org = NULL;
+  ssize_t amount, k;
+  size_t len;
+
+  *done = TRUE; /* unconditionally */
+
+  if(path && query)
+    gopherpath = aprintf("%s?%s", path, query);
+  else
+    gopherpath = strdup(path);
+
+  if(!gopherpath)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Create selector. Degenerate cases: / and /1 => convert to "" */
+  if(strlen(gopherpath) <= 2) {
+    sel = (char *)"";
+    len = strlen(sel);
+    free(gopherpath);
+  }
+  else {
+    char *newp;
+
+    /* Otherwise, drop / and the first character (i.e., item type) ... */
+    newp = gopherpath;
+    newp += 2;
+
+    /* ... and finally unescape */
+    result = Curl_urldecode(data, newp, 0, &sel, &len, FALSE);
+    free(gopherpath);
+    if(result)
+      return result;
+    sel_org = sel;
+  }
+
+  /* We use Curl_write instead of Curl_sendf to make sure the entire buffer is
+     sent, which could be sizeable with long selectors. */
+  k = curlx_uztosz(len);
+
+  for(;;) {
+    result = Curl_write(conn, sockfd, sel, k, &amount);
+    if(!result) { /* Which may not have written it all! */
+      result = Curl_client_write(conn, CLIENTWRITE_HEADER, sel, amount);
+      if(result)
+        break;
+
+      k -= amount;
+      sel += amount;
+      if(k < 1)
+        break; /* but it did write it all */
+    }
+    else
+      break;
+
+    /* Don't busyloop. The entire loop thing is a work-around as it causes a
+       BLOCKING behavior which is a NO-NO. This function should rather be
+       split up in a do and a doing piece where the pieces that aren't
+       possible to send now will be sent in the doing function repeatedly
+       until the entire request is sent.
+
+       Wait a while for the socket to be writable. Note that this doesn't
+       acknowledge the timeout.
+    */
+    if(SOCKET_WRITABLE(sockfd, 100) < 0) {
+      result = CURLE_SEND_ERROR;
+      break;
+    }
+  }
+
+  free(sel_org);
+
+  if(!result)
+    /* We can use Curl_sendf to send the terminal \r\n relatively safely and
+       save allocing another string/doing another _write loop. */
+    result = Curl_sendf(sockfd, conn, "\r\n");
+  if(result) {
+    failf(data, "Failed sending Gopher request");
+    return result;
+  }
+  result = Curl_client_write(conn, CLIENTWRITE_HEADER, (char *)"\r\n", 2);
+  if(result)
+    return result;
+
+  Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE, bytecount,
+                      -1, NULL); /* no upload */
+  return CURLE_OK;
+}
+#endif /*CURL_DISABLE_GOPHER*/
Index: trunk/src/libs/curl-7.64.0/lib/gopher.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/gopher.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/gopher.h	(revision 85671)
@@ -0,0 +1,29 @@
+#ifndef HEADER_CURL_GOPHER_H
+#define HEADER_CURL_GOPHER_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#ifndef CURL_DISABLE_GOPHER
+extern const struct Curl_handler Curl_handler_gopher;
+#endif
+
+#endif /* HEADER_CURL_GOPHER_H */
Index: trunk/src/libs/curl-7.64.0/lib/hash.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/hash.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/hash.c	(revision 85671)
@@ -0,0 +1,351 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#include "hash.h"
+#include "llist.h"
+#include "curl_memory.h"
+
+/* The last #include file should be: */
+#include "memdebug.h"
+
+static void
+hash_element_dtor(void *user, void *element)
+{
+  struct curl_hash *h = (struct curl_hash *) user;
+  struct curl_hash_element *e = (struct curl_hash_element *) element;
+
+  if(e->ptr) {
+    h->dtor(e->ptr);
+    e->ptr = NULL;
+  }
+
+  e->key_len = 0;
+
+  free(e);
+}
+
+/* Initializes a hash structure.
+ * Return 1 on error, 0 is fine.
+ *
+ * @unittest: 1602
+ * @unittest: 1603
+ */
+int
+Curl_hash_init(struct curl_hash *h,
+               int slots,
+               hash_function hfunc,
+               comp_function comparator,
+               curl_hash_dtor dtor)
+{
+  if(!slots || !hfunc || !comparator ||!dtor) {
+    return 1; /* failure */
+  }
+
+  h->hash_func = hfunc;
+  h->comp_func = comparator;
+  h->dtor = dtor;
+  h->size = 0;
+  h->slots = slots;
+
+  h->table = malloc(slots * sizeof(struct curl_llist));
+  if(h->table) {
+    int i;
+    for(i = 0; i < slots; ++i)
+      Curl_llist_init(&h->table[i], (curl_llist_dtor) hash_element_dtor);
+    return 0; /* fine */
+  }
+  h->slots = 0;
+  return 1; /* failure */
+}
+
+static struct curl_hash_element *
+mk_hash_element(const void *key, size_t key_len, const void *p)
+{
+  /* allocate the struct plus memory after it to store the key */
+  struct curl_hash_element *he = malloc(sizeof(struct curl_hash_element) +
+                                        key_len);
+  if(he) {
+    /* copy the key */
+    memcpy(he->key, key, key_len);
+    he->key_len = key_len;
+    he->ptr = (void *) p;
+  }
+  return he;
+}
+
+#define FETCH_LIST(x,y,z) &x->table[x->hash_func(y, z, x->slots)]
+
+/* Insert the data in the hash. If there already was a match in the hash,
+ * that data is replaced.
+ *
+ * @unittest: 1305
+ * @unittest: 1602
+ * @unittest: 1603
+ */
+void *
+Curl_hash_add(struct curl_hash *h, void *key, size_t key_len, void *p)
+{
+  struct curl_hash_element  *he;
+  struct curl_llist_element *le;
+  struct curl_llist *l = FETCH_LIST(h, key, key_len);
+
+  for(le = l->head; le; le = le->next) {
+    he = (struct curl_hash_element *) le->ptr;
+    if(h->comp_func(he->key, he->key_len, key, key_len)) {
+      Curl_llist_remove(l, le, (void *)h);
+      --h->size;
+      break;
+    }
+  }
+
+  he = mk_hash_element(key, key_len, p);
+  if(he) {
+    Curl_llist_insert_next(l, l->tail, he, &he->list);
+    ++h->size;
+    return p; /* return the new entry */
+  }
+
+  return NULL; /* failure */
+}
+
+/* Remove the identified hash entry.
+ * Returns non-zero on failure.
+ *
+ * @unittest: 1603
+ */
+int Curl_hash_delete(struct curl_hash *h, void *key, size_t key_len)
+{
+  struct curl_llist_element *le;
+  struct curl_llist *l = FETCH_LIST(h, key, key_len);
+
+  for(le = l->head; le; le = le->next) {
+    struct curl_hash_element *he = le->ptr;
+    if(h->comp_func(he->key, he->key_len, key, key_len)) {
+      Curl_llist_remove(l, le, (void *) h);
+      --h->size;
+      return 0;
+    }
+  }
+  return 1;
+}
+
+/* Retrieves a hash element.
+ *
+ * @unittest: 1603
+ */
+void *
+Curl_hash_pick(struct curl_hash *h, void *key, size_t key_len)
+{
+  struct curl_llist_element *le;
+  struct curl_llist *l;
+
+  if(h) {
+    l = FETCH_LIST(h, key, key_len);
+    for(le = l->head; le; le = le->next) {
+      struct curl_hash_element *he = le->ptr;
+      if(h->comp_func(he->key, he->key_len, key, key_len)) {
+        return he->ptr;
+      }
+    }
+  }
+
+  return NULL;
+}
+
+#if defined(DEBUGBUILD) && defined(AGGRESIVE_TEST)
+void
+Curl_hash_apply(curl_hash *h, void *user,
+                void (*cb)(void *user, void *ptr))
+{
+  struct curl_llist_element  *le;
+  int                  i;
+
+  for(i = 0; i < h->slots; ++i) {
+    for(le = (h->table[i])->head;
+        le;
+        le = le->next) {
+      curl_hash_element *el = le->ptr;
+      cb(user, el->ptr);
+    }
+  }
+}
+#endif
+
+/* Destroys all the entries in the given hash and resets its attributes,
+ * prepping the given hash for [static|dynamic] deallocation.
+ *
+ * @unittest: 1305
+ * @unittest: 1602
+ * @unittest: 1603
+ */
+void
+Curl_hash_destroy(struct curl_hash *h)
+{
+  int i;
+
+  for(i = 0; i < h->slots; ++i) {
+    Curl_llist_destroy(&h->table[i], (void *) h);
+  }
+
+  Curl_safefree(h->table);
+  h->size = 0;
+  h->slots = 0;
+}
+
+/* Removes all the entries in the given hash.
+ *
+ * @unittest: 1602
+ */
+void
+Curl_hash_clean(struct curl_hash *h)
+{
+  Curl_hash_clean_with_criterium(h, NULL, NULL);
+}
+
+/* Cleans all entries that pass the comp function criteria. */
+void
+Curl_hash_clean_with_criterium(struct curl_hash *h, void *user,
+                               int (*comp)(void *, void *))
+{
+  struct curl_llist_element *le;
+  struct curl_llist_element *lnext;
+  struct curl_llist *list;
+  int i;
+
+  if(!h)
+    return;
+
+  for(i = 0; i < h->slots; ++i) {
+    list = &h->table[i];
+    le = list->head; /* get first list entry */
+    while(le) {
+      struct curl_hash_element *he = le->ptr;
+      lnext = le->next;
+      /* ask the callback function if we shall remove this entry or not */
+      if(comp == NULL || comp(user, he->ptr)) {
+        Curl_llist_remove(list, le, (void *) h);
+        --h->size; /* one less entry in the hash now */
+      }
+      le = lnext;
+    }
+  }
+}
+
+size_t Curl_hash_str(void *key, size_t key_length, size_t slots_num)
+{
+  const char *key_str = (const char *) key;
+  const char *end = key_str + key_length;
+  size_t h = 5381;
+
+  while(key_str < end) {
+    h += h << 5;
+    h ^= *key_str++;
+  }
+
+  return (h % slots_num);
+}
+
+size_t Curl_str_key_compare(void *k1, size_t key1_len,
+                            void *k2, size_t key2_len)
+{
+  if((key1_len == key2_len) && !memcmp(k1, k2, key1_len))
+    return 1;
+
+  return 0;
+}
+
+void Curl_hash_start_iterate(struct curl_hash *hash,
+                             struct curl_hash_iterator *iter)
+{
+  iter->hash = hash;
+  iter->slot_index = 0;
+  iter->current_element = NULL;
+}
+
+struct curl_hash_element *
+Curl_hash_next_element(struct curl_hash_iterator *iter)
+{
+  struct curl_hash *h = iter->hash;
+
+  /* Get the next element in the current list, if any */
+  if(iter->current_element)
+    iter->current_element = iter->current_element->next;
+
+  /* If we have reached the end of the list, find the next one */
+  if(!iter->current_element) {
+    int i;
+    for(i = iter->slot_index; i < h->slots; i++) {
+      if(h->table[i].head) {
+        iter->current_element = h->table[i].head;
+        iter->slot_index = i + 1;
+        break;
+      }
+    }
+  }
+
+  if(iter->current_element) {
+    struct curl_hash_element *he = iter->current_element->ptr;
+    return he;
+  }
+  iter->current_element = NULL;
+  return NULL;
+}
+
+#if 0 /* useful function for debugging hashes and their contents */
+void Curl_hash_print(struct curl_hash *h,
+                     void (*func)(void *))
+{
+  struct curl_hash_iterator iter;
+  struct curl_hash_element *he;
+  int last_index = -1;
+
+  if(!h)
+    return;
+
+  fprintf(stderr, "=Hash dump=\n");
+
+  Curl_hash_start_iterate(h, &iter);
+
+  he = Curl_hash_next_element(&iter);
+  while(he) {
+    if(iter.slot_index != last_index) {
+      fprintf(stderr, "index %d:", iter.slot_index);
+      if(last_index >= 0) {
+        fprintf(stderr, "\n");
+      }
+      last_index = iter.slot_index;
+    }
+
+    if(func)
+      func(he->ptr);
+    else
+      fprintf(stderr, " [%p]", (void *)he->ptr);
+
+    he = Curl_hash_next_element(&iter);
+  }
+  fprintf(stderr, "\n");
+}
+#endif
Index: trunk/src/libs/curl-7.64.0/lib/hash.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/hash.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/hash.h	(revision 85671)
@@ -0,0 +1,100 @@
+#ifndef HEADER_CURL_HASH_H
+#define HEADER_CURL_HASH_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <stddef.h>
+
+#include "llist.h"
+
+/* Hash function prototype */
+typedef size_t (*hash_function) (void *key,
+                                 size_t key_length,
+                                 size_t slots_num);
+
+/*
+   Comparator function prototype. Compares two keys.
+*/
+typedef size_t (*comp_function) (void *key1,
+                                 size_t key1_len,
+                                 void *key2,
+                                 size_t key2_len);
+
+typedef void (*curl_hash_dtor)(void *);
+
+struct curl_hash {
+  struct curl_llist *table;
+
+  /* Hash function to be used for this hash table */
+  hash_function hash_func;
+
+  /* Comparator function to compare keys */
+  comp_function comp_func;
+  curl_hash_dtor   dtor;
+  int slots;
+  size_t size;
+};
+
+struct curl_hash_element {
+  struct curl_llist_element list;
+  void   *ptr;
+  size_t key_len;
+  char   key[1]; /* allocated memory following the struct */
+};
+
+struct curl_hash_iterator {
+  struct curl_hash *hash;
+  int slot_index;
+  struct curl_llist_element *current_element;
+};
+
+int Curl_hash_init(struct curl_hash *h,
+                   int slots,
+                   hash_function hfunc,
+                   comp_function comparator,
+                   curl_hash_dtor dtor);
+
+void *Curl_hash_add(struct curl_hash *h, void *key, size_t key_len, void *p);
+int Curl_hash_delete(struct curl_hash *h, void *key, size_t key_len);
+void *Curl_hash_pick(struct curl_hash *, void *key, size_t key_len);
+void Curl_hash_apply(struct curl_hash *h, void *user,
+                     void (*cb)(void *user, void *ptr));
+int Curl_hash_count(struct curl_hash *h);
+void Curl_hash_destroy(struct curl_hash *h);
+void Curl_hash_clean(struct curl_hash *h);
+void Curl_hash_clean_with_criterium(struct curl_hash *h, void *user,
+                                    int (*comp)(void *, void *));
+size_t Curl_hash_str(void *key, size_t key_length, size_t slots_num);
+size_t Curl_str_key_compare(void *k1, size_t key1_len, void *k2,
+                            size_t key2_len);
+void Curl_hash_start_iterate(struct curl_hash *hash,
+                             struct curl_hash_iterator *iter);
+struct curl_hash_element *
+Curl_hash_next_element(struct curl_hash_iterator *iter);
+
+void Curl_hash_print(struct curl_hash *h,
+                     void (*func)(void *));
+
+
+#endif /* HEADER_CURL_HASH_H */
Index: trunk/src/libs/curl-7.64.0/lib/hmac.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/hmac.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/hmac.c	(revision 85671)
@@ -0,0 +1,132 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * RFC2104 Keyed-Hashing for Message Authentication
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+
+#include <curl/curl.h>
+
+#include "curl_hmac.h"
+#include "curl_memory.h"
+
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/*
+ * Generic HMAC algorithm.
+ *
+ *   This module computes HMAC digests based on any hash function. Parameters
+ * and computing procedures are set-up dynamically at HMAC computation
+ * context initialisation.
+ */
+
+static const unsigned char hmac_ipad = 0x36;
+static const unsigned char hmac_opad = 0x5C;
+
+
+
+HMAC_context *
+Curl_HMAC_init(const HMAC_params * hashparams,
+               const unsigned char *key,
+               unsigned int keylen)
+{
+  size_t i;
+  HMAC_context *ctxt;
+  unsigned char *hkey;
+  unsigned char b;
+
+  /* Create HMAC context. */
+  i = sizeof(*ctxt) + 2 * hashparams->hmac_ctxtsize +
+    hashparams->hmac_resultlen;
+  ctxt = malloc(i);
+
+  if(!ctxt)
+    return ctxt;
+
+  ctxt->hmac_hash = hashparams;
+  ctxt->hmac_hashctxt1 = (void *) (ctxt + 1);
+  ctxt->hmac_hashctxt2 = (void *) ((char *) ctxt->hmac_hashctxt1 +
+      hashparams->hmac_ctxtsize);
+
+  /* If the key is too long, replace it by its hash digest. */
+  if(keylen > hashparams->hmac_maxkeylen) {
+    (*hashparams->hmac_hinit)(ctxt->hmac_hashctxt1);
+    (*hashparams->hmac_hupdate)(ctxt->hmac_hashctxt1, key, keylen);
+    hkey = (unsigned char *) ctxt->hmac_hashctxt2 + hashparams->hmac_ctxtsize;
+    (*hashparams->hmac_hfinal)(hkey, ctxt->hmac_hashctxt1);
+    key = hkey;
+    keylen = hashparams->hmac_resultlen;
+  }
+
+  /* Prime the two hash contexts with the modified key. */
+  (*hashparams->hmac_hinit)(ctxt->hmac_hashctxt1);
+  (*hashparams->hmac_hinit)(ctxt->hmac_hashctxt2);
+
+  for(i = 0; i < keylen; i++) {
+    b = (unsigned char)(*key ^ hmac_ipad);
+    (*hashparams->hmac_hupdate)(ctxt->hmac_hashctxt1, &b, 1);
+    b = (unsigned char)(*key++ ^ hmac_opad);
+    (*hashparams->hmac_hupdate)(ctxt->hmac_hashctxt2, &b, 1);
+  }
+
+  for(; i < hashparams->hmac_maxkeylen; i++) {
+    (*hashparams->hmac_hupdate)(ctxt->hmac_hashctxt1, &hmac_ipad, 1);
+    (*hashparams->hmac_hupdate)(ctxt->hmac_hashctxt2, &hmac_opad, 1);
+  }
+
+  /* Done, return pointer to HMAC context. */
+  return ctxt;
+}
+
+int Curl_HMAC_update(HMAC_context * ctxt,
+                     const unsigned char *data,
+                     unsigned int len)
+{
+  /* Update first hash calculation. */
+  (*ctxt->hmac_hash->hmac_hupdate)(ctxt->hmac_hashctxt1, data, len);
+  return 0;
+}
+
+
+int Curl_HMAC_final(HMAC_context *ctxt, unsigned char *result)
+{
+  const HMAC_params * hashparams = ctxt->hmac_hash;
+
+  /* Do not get result if called with a null parameter: only release
+     storage. */
+
+  if(!result)
+    result = (unsigned char *) ctxt->hmac_hashctxt2 +
+     ctxt->hmac_hash->hmac_ctxtsize;
+
+  (*hashparams->hmac_hfinal)(result, ctxt->hmac_hashctxt1);
+  (*hashparams->hmac_hupdate)(ctxt->hmac_hashctxt2,
+   result, hashparams->hmac_resultlen);
+  (*hashparams->hmac_hfinal)(result, ctxt->hmac_hashctxt2);
+  free((char *) ctxt);
+  return 0;
+}
+
+#endif /* CURL_DISABLE_CRYPTO_AUTH */
Index: trunk/src/libs/curl-7.64.0/lib/hostasyn.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/hostasyn.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/hostasyn.c	(revision 85671)
@@ -0,0 +1,128 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+/***********************************************************************
+ * Only for builds using asynchronous name resolves
+ **********************************************************************/
+#ifdef CURLRES_ASYNCH
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#ifdef HAVE_PROCESS_H
+#include <process.h>
+#endif
+
+#include "urldata.h"
+#include "sendf.h"
+#include "hostip.h"
+#include "hash.h"
+#include "share.h"
+#include "strerror.h"
+#include "url.h"
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/*
+ * Curl_addrinfo_callback() gets called by ares, gethostbyname_thread()
+ * or getaddrinfo_thread() when we got the name resolved (or not!).
+ *
+ * If the status argument is CURL_ASYNC_SUCCESS, this function takes
+ * ownership of the Curl_addrinfo passed, storing the resolved data
+ * in the DNS cache.
+ *
+ * The storage operation locks and unlocks the DNS cache.
+ */
+CURLcode Curl_addrinfo_callback(struct connectdata *conn,
+                                int status,
+                                struct Curl_addrinfo *ai)
+{
+  struct Curl_dns_entry *dns = NULL;
+  CURLcode result = CURLE_OK;
+
+  conn->async.status = status;
+
+  if(CURL_ASYNC_SUCCESS == status) {
+    if(ai) {
+      struct Curl_easy *data = conn->data;
+
+      if(data->share)
+        Curl_share_lock(data, CURL_LOCK_DATA_DNS, CURL_LOCK_ACCESS_SINGLE);
+
+      dns = Curl_cache_addr(data, ai,
+                            conn->async.hostname,
+                            conn->async.port);
+      if(!dns) {
+        /* failed to store, cleanup and return error */
+        Curl_freeaddrinfo(ai);
+        result = CURLE_OUT_OF_MEMORY;
+      }
+
+      if(data->share)
+        Curl_share_unlock(data, CURL_LOCK_DATA_DNS);
+    }
+    else {
+      result = CURLE_OUT_OF_MEMORY;
+    }
+  }
+
+  conn->async.dns = dns;
+
+ /* Set async.done TRUE last in this function since it may be used multi-
+    threaded and once this is TRUE the other thread may read fields from the
+    async struct */
+  conn->async.done = TRUE;
+
+  /* IPv4: The input hostent struct will be freed by ares when we return from
+     this function */
+  return result;
+}
+
+/*
+ * Curl_getaddrinfo() is the generic low-level name resolve API within this
+ * source file. There are several versions of this function - for different
+ * name resolve layers (selected at build-time). They all take this same set
+ * of arguments
+ */
+Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
+                                const char *hostname,
+                                int port,
+                                int *waitp)
+{
+  return Curl_resolver_getaddrinfo(conn, hostname, port, waitp);
+}
+
+#endif /* CURLRES_ASYNCH */
Index: trunk/src/libs/curl-7.64.0/lib/hostcheck.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/hostcheck.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/hostcheck.c	(revision 85671)
@@ -0,0 +1,152 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(USE_OPENSSL)                                \
+  || defined(USE_GSKIT)                                 \
+  || defined(USE_SCHANNEL)
+/* these backends use functions from this file */
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETINET_IN6_H
+#include <netinet/in6.h>
+#endif
+
+#include "hostcheck.h"
+#include "strcase.h"
+#include "inet_pton.h"
+
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/*
+ * Match a hostname against a wildcard pattern.
+ * E.g.
+ *  "foo.host.com" matches "*.host.com".
+ *
+ * We use the matching rule described in RFC6125, section 6.4.3.
+ * https://tools.ietf.org/html/rfc6125#section-6.4.3
+ *
+ * In addition: ignore trailing dots in the host names and wildcards, so that
+ * the names are used normalized. This is what the browsers do.
+ *
+ * Do not allow wildcard matching on IP numbers. There are apparently
+ * certificates being used with an IP address in the CN field, thus making no
+ * apparent distinction between a name and an IP. We need to detect the use of
+ * an IP address and not wildcard match on such names.
+ *
+ * NOTE: hostmatch() gets called with copied buffers so that it can modify the
+ * contents at will.
+ */
+
+static int hostmatch(char *hostname, char *pattern)
+{
+  const char *pattern_label_end, *pattern_wildcard, *hostname_label_end;
+  int wildcard_enabled;
+  size_t prefixlen, suffixlen;
+  struct in_addr ignored;
+#ifdef ENABLE_IPV6
+  struct sockaddr_in6 si6;
+#endif
+
+  /* normalize pattern and hostname by stripping off trailing dots */
+  size_t len = strlen(hostname);
+  if(hostname[len-1]=='.')
+    hostname[len-1] = 0;
+  len = strlen(pattern);
+  if(pattern[len-1]=='.')
+    pattern[len-1] = 0;
+
+  pattern_wildcard = strchr(pattern, '*');
+  if(pattern_wildcard == NULL)
+    return strcasecompare(pattern, hostname) ?
+      CURL_HOST_MATCH : CURL_HOST_NOMATCH;
+
+  /* detect IP address as hostname and fail the match if so */
+  if(Curl_inet_pton(AF_INET, hostname, &ignored) > 0)
+    return CURL_HOST_NOMATCH;
+#ifdef ENABLE_IPV6
+  if(Curl_inet_pton(AF_INET6, hostname, &si6.sin6_addr) > 0)
+    return CURL_HOST_NOMATCH;
+#endif
+
+  /* We require at least 2 dots in pattern to avoid too wide wildcard
+     match. */
+  wildcard_enabled = 1;
+  pattern_label_end = strchr(pattern, '.');
+  if(pattern_label_end == NULL || strchr(pattern_label_end + 1, '.') == NULL ||
+     pattern_wildcard > pattern_label_end ||
+     strncasecompare(pattern, "xn--", 4)) {
+    wildcard_enabled = 0;
+  }
+  if(!wildcard_enabled)
+    return strcasecompare(pattern, hostname) ?
+      CURL_HOST_MATCH : CURL_HOST_NOMATCH;
+
+  hostname_label_end = strchr(hostname, '.');
+  if(hostname_label_end == NULL ||
+     !strcasecompare(pattern_label_end, hostname_label_end))
+    return CURL_HOST_NOMATCH;
+
+  /* The wildcard must match at least one character, so the left-most
+     label of the hostname is at least as large as the left-most label
+     of the pattern. */
+  if(hostname_label_end - hostname < pattern_label_end - pattern)
+    return CURL_HOST_NOMATCH;
+
+  prefixlen = pattern_wildcard - pattern;
+  suffixlen = pattern_label_end - (pattern_wildcard + 1);
+  return strncasecompare(pattern, hostname, prefixlen) &&
+    strncasecompare(pattern_wildcard + 1, hostname_label_end - suffixlen,
+                    suffixlen) ?
+    CURL_HOST_MATCH : CURL_HOST_NOMATCH;
+}
+
+int Curl_cert_hostcheck(const char *match_pattern, const char *hostname)
+{
+  char *matchp;
+  char *hostp;
+  int res = 0;
+  if(!match_pattern || !*match_pattern ||
+      !hostname || !*hostname) /* sanity check */
+    ;
+  else {
+    matchp = strdup(match_pattern);
+    if(matchp) {
+      hostp = strdup(hostname);
+      if(hostp) {
+        if(hostmatch(hostp, matchp) == CURL_HOST_MATCH)
+          res = 1;
+        free(hostp);
+      }
+      free(matchp);
+    }
+  }
+
+  return res;
+}
+
+#endif /* OPENSSL, GSKIT or schannel+wince */
Index: trunk/src/libs/curl-7.64.0/lib/hostcheck.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/hostcheck.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/hostcheck.h	(revision 85671)
@@ -0,0 +1,31 @@
+#ifndef HEADER_CURL_HOSTCHECK_H
+#define HEADER_CURL_HOSTCHECK_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include <curl/curl.h>
+
+#define CURL_HOST_NOMATCH 0
+#define CURL_HOST_MATCH   1
+int Curl_cert_hostcheck(const char *match_pattern, const char *hostname);
+
+#endif /* HEADER_CURL_HOSTCHECK_H */
Index: trunk/src/libs/curl-7.64.0/lib/hostip.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/hostip.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/hostip.c	(revision 85671)
@@ -0,0 +1,1141 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETINET_IN6_H
+#include <netinet/in6.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#ifdef HAVE_SETJMP_H
+#include <setjmp.h>
+#endif
+#ifdef HAVE_SIGNAL_H
+#include <signal.h>
+#endif
+
+#ifdef HAVE_PROCESS_H
+#include <process.h>
+#endif
+
+#include "urldata.h"
+#include "sendf.h"
+#include "hostip.h"
+#include "hash.h"
+#include "rand.h"
+#include "share.h"
+#include "strerror.h"
+#include "url.h"
+#include "inet_ntop.h"
+#include "multiif.h"
+#include "doh.h"
+#include "warnless.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#if defined(CURLRES_SYNCH) && \
+    defined(HAVE_ALARM) && defined(SIGALRM) && defined(HAVE_SIGSETJMP)
+/* alarm-based timeouts can only be used with all the dependencies satisfied */
+#define USE_ALARM_TIMEOUT
+#endif
+
+/*
+ * hostip.c explained
+ * ==================
+ *
+ * The main COMPILE-TIME DEFINES to keep in mind when reading the host*.c
+ * source file are these:
+ *
+ * CURLRES_IPV6 - this host has getaddrinfo() and family, and thus we use
+ * that. The host may not be able to resolve IPv6, but we don't really have to
+ * take that into account. Hosts that aren't IPv6-enabled have CURLRES_IPV4
+ * defined.
+ *
+ * CURLRES_ARES - is defined if libcurl is built to use c-ares for
+ * asynchronous name resolves. This can be Windows or *nix.
+ *
+ * CURLRES_THREADED - is defined if libcurl is built to run under (native)
+ * Windows, and then the name resolve will be done in a new thread, and the
+ * supported API will be the same as for ares-builds.
+ *
+ * If any of the two previous are defined, CURLRES_ASYNCH is defined too. If
+ * libcurl is not built to use an asynchronous resolver, CURLRES_SYNCH is
+ * defined.
+ *
+ * The host*.c sources files are split up like this:
+ *
+ * hostip.c   - method-independent resolver functions and utility functions
+ * hostasyn.c - functions for asynchronous name resolves
+ * hostsyn.c  - functions for synchronous name resolves
+ * hostip4.c  - IPv4 specific functions
+ * hostip6.c  - IPv6 specific functions
+ *
+ * The two asynchronous name resolver backends are implemented in:
+ * asyn-ares.c   - functions for ares-using name resolves
+ * asyn-thread.c - functions for threaded name resolves
+
+ * The hostip.h is the united header file for all this. It defines the
+ * CURLRES_* defines based on the config*.h and curl_setup.h defines.
+ */
+
+/* These two symbols are for the global DNS cache */
+static struct curl_hash hostname_cache;
+static int host_cache_initialized;
+
+static void freednsentry(void *freethis);
+
+/*
+ * Curl_global_host_cache_init() initializes and sets up a global DNS cache.
+ * Global DNS cache is general badness. Do not use. This will be removed in
+ * a future version. Use the share interface instead!
+ *
+ * Returns a struct curl_hash pointer on success, NULL on failure.
+ */
+struct curl_hash *Curl_global_host_cache_init(void)
+{
+  int rc = 0;
+  if(!host_cache_initialized) {
+    rc = Curl_hash_init(&hostname_cache, 7, Curl_hash_str,
+                        Curl_str_key_compare, freednsentry);
+    if(!rc)
+      host_cache_initialized = 1;
+  }
+  return rc?NULL:&hostname_cache;
+}
+
+/*
+ * Destroy and cleanup the global DNS cache
+ */
+void Curl_global_host_cache_dtor(void)
+{
+  if(host_cache_initialized) {
+    Curl_hash_destroy(&hostname_cache);
+    host_cache_initialized = 0;
+  }
+}
+
+/*
+ * Return # of addresses in a Curl_addrinfo struct
+ */
+int Curl_num_addresses(const Curl_addrinfo *addr)
+{
+  int i = 0;
+  while(addr) {
+    addr = addr->ai_next;
+    i++;
+  }
+  return i;
+}
+
+/*
+ * Curl_printable_address() returns a printable version of the 1st address
+ * given in the 'ai' argument. The result will be stored in the buf that is
+ * bufsize bytes big.
+ *
+ * If the conversion fails, it returns NULL.
+ */
+const char *
+Curl_printable_address(const Curl_addrinfo *ai, char *buf, size_t bufsize)
+{
+  const struct sockaddr_in *sa4;
+  const struct in_addr *ipaddr4;
+#ifdef ENABLE_IPV6
+  const struct sockaddr_in6 *sa6;
+  const struct in6_addr *ipaddr6;
+#endif
+
+  switch(ai->ai_family) {
+    case AF_INET:
+      sa4 = (const void *)ai->ai_addr;
+      ipaddr4 = &sa4->sin_addr;
+      return Curl_inet_ntop(ai->ai_family, (const void *)ipaddr4, buf,
+                            bufsize);
+#ifdef ENABLE_IPV6
+    case AF_INET6:
+      sa6 = (const void *)ai->ai_addr;
+      ipaddr6 = &sa6->sin6_addr;
+      return Curl_inet_ntop(ai->ai_family, (const void *)ipaddr6, buf,
+                            bufsize);
+#endif
+    default:
+      break;
+  }
+  return NULL;
+}
+
+/*
+ * Return a hostcache id string for the provided host + port, to be used by
+ * the DNS caching.
+ */
+static char *
+create_hostcache_id(const char *name, int port)
+{
+  /* create and return the new allocated entry */
+  char *id = aprintf("%s:%d", name, port);
+  char *ptr = id;
+  if(ptr) {
+    /* lower case the name part */
+    while(*ptr && (*ptr != ':')) {
+      *ptr = (char)TOLOWER(*ptr);
+      ptr++;
+    }
+  }
+  return id;
+}
+
+struct hostcache_prune_data {
+  long cache_timeout;
+  time_t now;
+};
+
+/*
+ * This function is set as a callback to be called for every entry in the DNS
+ * cache when we want to prune old unused entries.
+ *
+ * Returning non-zero means remove the entry, return 0 to keep it in the
+ * cache.
+ */
+static int
+hostcache_timestamp_remove(void *datap, void *hc)
+{
+  struct hostcache_prune_data *data =
+    (struct hostcache_prune_data *) datap;
+  struct Curl_dns_entry *c = (struct Curl_dns_entry *) hc;
+
+  return (0 != c->timestamp)
+    && (data->now - c->timestamp >= data->cache_timeout);
+}
+
+/*
+ * Prune the DNS cache. This assumes that a lock has already been taken.
+ */
+static void
+hostcache_prune(struct curl_hash *hostcache, long cache_timeout, time_t now)
+{
+  struct hostcache_prune_data user;
+
+  user.cache_timeout = cache_timeout;
+  user.now = now;
+
+  Curl_hash_clean_with_criterium(hostcache,
+                                 (void *) &user,
+                                 hostcache_timestamp_remove);
+}
+
+/*
+ * Library-wide function for pruning the DNS cache. This function takes and
+ * returns the appropriate locks.
+ */
+void Curl_hostcache_prune(struct Curl_easy *data)
+{
+  time_t now;
+
+  if((data->set.dns_cache_timeout == -1) || !data->dns.hostcache)
+    /* cache forever means never prune, and NULL hostcache means
+       we can't do it */
+    return;
+
+  if(data->share)
+    Curl_share_lock(data, CURL_LOCK_DATA_DNS, CURL_LOCK_ACCESS_SINGLE);
+
+  time(&now);
+
+  /* Remove outdated and unused entries from the hostcache */
+  hostcache_prune(data->dns.hostcache,
+                  data->set.dns_cache_timeout,
+                  now);
+
+  if(data->share)
+    Curl_share_unlock(data, CURL_LOCK_DATA_DNS);
+}
+
+#ifdef HAVE_SIGSETJMP
+/* Beware this is a global and unique instance. This is used to store the
+   return address that we can jump back to from inside a signal handler. This
+   is not thread-safe stuff. */
+sigjmp_buf curl_jmpenv;
+#endif
+
+/* lookup address, returns entry if found and not stale */
+static struct Curl_dns_entry *
+fetch_addr(struct connectdata *conn,
+                const char *hostname,
+                int port)
+{
+  char *entry_id = NULL;
+  struct Curl_dns_entry *dns = NULL;
+  size_t entry_len;
+  struct Curl_easy *data = conn->data;
+
+  /* Create an entry id, based upon the hostname and port */
+  entry_id = create_hostcache_id(hostname, port);
+  /* If we can't create the entry id, fail */
+  if(!entry_id)
+    return dns;
+
+  entry_len = strlen(entry_id);
+
+  /* See if its already in our dns cache */
+  dns = Curl_hash_pick(data->dns.hostcache, entry_id, entry_len + 1);
+
+  /* No entry found in cache, check if we might have a wildcard entry */
+  if(!dns && data->change.wildcard_resolve) {
+    /*
+     * Free the previous entry_id before requesting a new one to avoid leaking
+     * memory
+     */
+    free(entry_id);
+
+    entry_id = create_hostcache_id("*", port);
+
+    /* If we can't create the entry id, fail */
+    if(!entry_id)
+      return dns;
+
+    entry_len = strlen(entry_id);
+
+    /* See if it's already in our dns cache */
+    dns = Curl_hash_pick(data->dns.hostcache, entry_id, entry_len + 1);
+  }
+
+  if(dns && (data->set.dns_cache_timeout != -1)) {
+    /* See whether the returned entry is stale. Done before we release lock */
+    struct hostcache_prune_data user;
+
+    time(&user.now);
+    user.cache_timeout = data->set.dns_cache_timeout;
+
+    if(hostcache_timestamp_remove(&user, dns)) {
+      infof(data, "Hostname in DNS cache was stale, zapped\n");
+      dns = NULL; /* the memory deallocation is being handled by the hash */
+      Curl_hash_delete(data->dns.hostcache, entry_id, entry_len + 1);
+    }
+  }
+
+  /* free the allocated entry_id again */
+  free(entry_id);
+
+  return dns;
+}
+
+/*
+ * Curl_fetch_addr() fetches a 'Curl_dns_entry' already in the DNS cache.
+ *
+ * Curl_resolv() checks initially and multi_runsingle() checks each time
+ * it discovers the handle in the state WAITRESOLVE whether the hostname
+ * has already been resolved and the address has already been stored in
+ * the DNS cache. This short circuits waiting for a lot of pending
+ * lookups for the same hostname requested by different handles.
+ *
+ * Returns the Curl_dns_entry entry pointer or NULL if not in the cache.
+ *
+ * The returned data *MUST* be "unlocked" with Curl_resolv_unlock() after
+ * use, or we'll leak memory!
+ */
+struct Curl_dns_entry *
+Curl_fetch_addr(struct connectdata *conn,
+                const char *hostname,
+                int port)
+{
+  struct Curl_easy *data = conn->data;
+  struct Curl_dns_entry *dns = NULL;
+
+  if(data->share)
+    Curl_share_lock(data, CURL_LOCK_DATA_DNS, CURL_LOCK_ACCESS_SINGLE);
+
+  dns = fetch_addr(conn, hostname, port);
+
+  if(dns)
+    dns->inuse++; /* we use it! */
+
+  if(data->share)
+    Curl_share_unlock(data, CURL_LOCK_DATA_DNS);
+
+  return dns;
+}
+
+/*
+ * Curl_shuffle_addr() shuffles the order of addresses in a 'Curl_addrinfo'
+ * struct by re-linking its linked list.
+ *
+ * The addr argument should be the address of a pointer to the head node of a
+ * `Curl_addrinfo` list and it will be modified to point to the new head after
+ * shuffling.
+ *
+ * Not declared static only to make it easy to use in a unit test!
+ *
+ * @unittest: 1608
+ */
+CURLcode Curl_shuffle_addr(struct Curl_easy *data, Curl_addrinfo **addr)
+{
+  CURLcode result = CURLE_OK;
+  const int num_addrs = Curl_num_addresses(*addr);
+
+  if(num_addrs > 1) {
+    Curl_addrinfo **nodes;
+    infof(data, "Shuffling %i addresses", num_addrs);
+
+    nodes = malloc(num_addrs*sizeof(*nodes));
+    if(nodes) {
+      int i;
+      unsigned int *rnd;
+      const size_t rnd_size = num_addrs * sizeof(*rnd);
+
+      /* build a plain array of Curl_addrinfo pointers */
+      nodes[0] = *addr;
+      for(i = 1; i < num_addrs; i++) {
+        nodes[i] = nodes[i-1]->ai_next;
+      }
+
+      rnd = malloc(rnd_size);
+      if(rnd) {
+        /* Fisher-Yates shuffle */
+        if(Curl_rand(data, (unsigned char *)rnd, rnd_size) == CURLE_OK) {
+          Curl_addrinfo *swap_tmp;
+          for(i = num_addrs - 1; i > 0; i--) {
+            swap_tmp = nodes[rnd[i] % (i + 1)];
+            nodes[rnd[i] % (i + 1)] = nodes[i];
+            nodes[i] = swap_tmp;
+          }
+
+          /* relink list in the new order */
+          for(i = 1; i < num_addrs; i++) {
+            nodes[i-1]->ai_next = nodes[i];
+          }
+
+          nodes[num_addrs-1]->ai_next = NULL;
+          *addr = nodes[0];
+        }
+        free(rnd);
+      }
+      else
+        result = CURLE_OUT_OF_MEMORY;
+      free(nodes);
+    }
+    else
+      result = CURLE_OUT_OF_MEMORY;
+  }
+  return result;
+}
+
+/*
+ * Curl_cache_addr() stores a 'Curl_addrinfo' struct in the DNS cache.
+ *
+ * When calling Curl_resolv() has resulted in a response with a returned
+ * address, we call this function to store the information in the dns
+ * cache etc
+ *
+ * Returns the Curl_dns_entry entry pointer or NULL if the storage failed.
+ */
+struct Curl_dns_entry *
+Curl_cache_addr(struct Curl_easy *data,
+                Curl_addrinfo *addr,
+                const char *hostname,
+                int port)
+{
+  char *entry_id;
+  size_t entry_len;
+  struct Curl_dns_entry *dns;
+  struct Curl_dns_entry *dns2;
+
+  /* shuffle addresses if requested */
+  if(data->set.dns_shuffle_addresses) {
+    CURLcode result = Curl_shuffle_addr(data, &addr);
+    if(result)
+      return NULL;
+  }
+
+  /* Create an entry id, based upon the hostname and port */
+  entry_id = create_hostcache_id(hostname, port);
+  /* If we can't create the entry id, fail */
+  if(!entry_id)
+    return NULL;
+  entry_len = strlen(entry_id);
+
+  /* Create a new cache entry */
+  dns = calloc(1, sizeof(struct Curl_dns_entry));
+  if(!dns) {
+    free(entry_id);
+    return NULL;
+  }
+
+  dns->inuse = 1;   /* the cache has the first reference */
+  dns->addr = addr; /* this is the address(es) */
+  time(&dns->timestamp);
+  if(dns->timestamp == 0)
+    dns->timestamp = 1;   /* zero indicates CURLOPT_RESOLVE entry */
+
+  /* Store the resolved data in our DNS cache. */
+  dns2 = Curl_hash_add(data->dns.hostcache, entry_id, entry_len + 1,
+                       (void *)dns);
+  if(!dns2) {
+    free(dns);
+    free(entry_id);
+    return NULL;
+  }
+
+  dns = dns2;
+  dns->inuse++;         /* mark entry as in-use */
+
+  /* free the allocated entry_id */
+  free(entry_id);
+
+  return dns;
+}
+
+/*
+ * Curl_resolv() is the main name resolve function within libcurl. It resolves
+ * a name and returns a pointer to the entry in the 'entry' argument (if one
+ * is provided). This function might return immediately if we're using asynch
+ * resolves. See the return codes.
+ *
+ * The cache entry we return will get its 'inuse' counter increased when this
+ * function is used. You MUST call Curl_resolv_unlock() later (when you're
+ * done using this struct) to decrease the counter again.
+ *
+ * In debug mode, we specifically test for an interface name "LocalHost"
+ * and resolve "localhost" instead as a means to permit test cases
+ * to connect to a local test server with any host name.
+ *
+ * Return codes:
+ *
+ * CURLRESOLV_ERROR   (-1) = error, no pointer
+ * CURLRESOLV_RESOLVED (0) = OK, pointer provided
+ * CURLRESOLV_PENDING  (1) = waiting for response, no pointer
+ */
+
+int Curl_resolv(struct connectdata *conn,
+                const char *hostname,
+                int port,
+                struct Curl_dns_entry **entry)
+{
+  struct Curl_dns_entry *dns = NULL;
+  struct Curl_easy *data = conn->data;
+  CURLcode result;
+  int rc = CURLRESOLV_ERROR; /* default to failure */
+
+  *entry = NULL;
+
+  if(data->share)
+    Curl_share_lock(data, CURL_LOCK_DATA_DNS, CURL_LOCK_ACCESS_SINGLE);
+
+  dns = fetch_addr(conn, hostname, port);
+
+  if(dns) {
+    infof(data, "Hostname %s was found in DNS cache\n", hostname);
+    dns->inuse++; /* we use it! */
+    rc = CURLRESOLV_RESOLVED;
+  }
+
+  if(data->share)
+    Curl_share_unlock(data, CURL_LOCK_DATA_DNS);
+
+  if(!dns) {
+    /* The entry was not in the cache. Resolve it to IP address */
+
+    Curl_addrinfo *addr;
+    int respwait;
+
+    /* Check what IP specifics the app has requested and if we can provide it.
+     * If not, bail out. */
+    if(!Curl_ipvalid(conn))
+      return CURLRESOLV_ERROR;
+
+    /* notify the resolver start callback */
+    if(data->set.resolver_start) {
+      int st;
+      Curl_set_in_callback(data, true);
+      st = data->set.resolver_start(data->state.resolver, NULL,
+                                    data->set.resolver_start_client);
+      Curl_set_in_callback(data, false);
+      if(st)
+        return CURLRESOLV_ERROR;
+    }
+
+    if(data->set.doh) {
+      addr = Curl_doh(conn, hostname, port, &respwait);
+    }
+    else {
+      /* If Curl_getaddrinfo() returns NULL, 'respwait' might be set to a
+         non-zero value indicating that we need to wait for the response to the
+         resolve call */
+      addr = Curl_getaddrinfo(conn,
+#ifdef DEBUGBUILD
+                              (data->set.str[STRING_DEVICE]
+                               && !strcmp(data->set.str[STRING_DEVICE],
+                                          "LocalHost"))?"localhost":
+#endif
+                              hostname, port, &respwait);
+    }
+    if(!addr) {
+      if(respwait) {
+        /* the response to our resolve call will come asynchronously at
+           a later time, good or bad */
+        /* First, check that we haven't received the info by now */
+        result = Curl_resolv_check(conn, &dns);
+        if(result) /* error detected */
+          return CURLRESOLV_ERROR;
+        if(dns)
+          rc = CURLRESOLV_RESOLVED; /* pointer provided */
+        else
+          rc = CURLRESOLV_PENDING; /* no info yet */
+      }
+    }
+    else {
+      if(data->share)
+        Curl_share_lock(data, CURL_LOCK_DATA_DNS, CURL_LOCK_ACCESS_SINGLE);
+
+      /* we got a response, store it in the cache */
+      dns = Curl_cache_addr(data, addr, hostname, port);
+
+      if(data->share)
+        Curl_share_unlock(data, CURL_LOCK_DATA_DNS);
+
+      if(!dns)
+        /* returned failure, bail out nicely */
+        Curl_freeaddrinfo(addr);
+      else
+        rc = CURLRESOLV_RESOLVED;
+    }
+  }
+
+  *entry = dns;
+
+  return rc;
+}
+
+#ifdef USE_ALARM_TIMEOUT
+/*
+ * This signal handler jumps back into the main libcurl code and continues
+ * execution.  This effectively causes the remainder of the application to run
+ * within a signal handler which is nonportable and could lead to problems.
+ */
+static
+RETSIGTYPE alarmfunc(int sig)
+{
+  /* this is for "-ansi -Wall -pedantic" to stop complaining!   (rabe) */
+  (void)sig;
+  siglongjmp(curl_jmpenv, 1);
+}
+#endif /* USE_ALARM_TIMEOUT */
+
+/*
+ * Curl_resolv_timeout() is the same as Curl_resolv() but specifies a
+ * timeout.  This function might return immediately if we're using asynch
+ * resolves. See the return codes.
+ *
+ * The cache entry we return will get its 'inuse' counter increased when this
+ * function is used. You MUST call Curl_resolv_unlock() later (when you're
+ * done using this struct) to decrease the counter again.
+ *
+ * If built with a synchronous resolver and use of signals is not
+ * disabled by the application, then a nonzero timeout will cause a
+ * timeout after the specified number of milliseconds. Otherwise, timeout
+ * is ignored.
+ *
+ * Return codes:
+ *
+ * CURLRESOLV_TIMEDOUT(-2) = warning, time too short or previous alarm expired
+ * CURLRESOLV_ERROR   (-1) = error, no pointer
+ * CURLRESOLV_RESOLVED (0) = OK, pointer provided
+ * CURLRESOLV_PENDING  (1) = waiting for response, no pointer
+ */
+
+int Curl_resolv_timeout(struct connectdata *conn,
+                        const char *hostname,
+                        int port,
+                        struct Curl_dns_entry **entry,
+                        time_t timeoutms)
+{
+#ifdef USE_ALARM_TIMEOUT
+#ifdef HAVE_SIGACTION
+  struct sigaction keep_sigact;   /* store the old struct here */
+  volatile bool keep_copysig = FALSE; /* whether old sigact has been saved */
+  struct sigaction sigact;
+#else
+#ifdef HAVE_SIGNAL
+  void (*keep_sigact)(int);       /* store the old handler here */
+#endif /* HAVE_SIGNAL */
+#endif /* HAVE_SIGACTION */
+  volatile long timeout;
+  volatile unsigned int prev_alarm = 0;
+  struct Curl_easy *data = conn->data;
+#endif /* USE_ALARM_TIMEOUT */
+  int rc;
+
+  *entry = NULL;
+
+  if(timeoutms < 0)
+    /* got an already expired timeout */
+    return CURLRESOLV_TIMEDOUT;
+
+#ifdef USE_ALARM_TIMEOUT
+  if(data->set.no_signal)
+    /* Ignore the timeout when signals are disabled */
+    timeout = 0;
+  else
+    timeout = (timeoutms > LONG_MAX) ? LONG_MAX : (long)timeoutms;
+
+  if(!timeout)
+    /* USE_ALARM_TIMEOUT defined, but no timeout actually requested */
+    return Curl_resolv(conn, hostname, port, entry);
+
+  if(timeout < 1000) {
+    /* The alarm() function only provides integer second resolution, so if
+       we want to wait less than one second we must bail out already now. */
+    failf(data,
+        "remaining timeout of %ld too small to resolve via SIGALRM method",
+        timeout);
+    return CURLRESOLV_TIMEDOUT;
+  }
+  /* This allows us to time-out from the name resolver, as the timeout
+     will generate a signal and we will siglongjmp() from that here.
+     This technique has problems (see alarmfunc).
+     This should be the last thing we do before calling Curl_resolv(),
+     as otherwise we'd have to worry about variables that get modified
+     before we invoke Curl_resolv() (and thus use "volatile"). */
+  if(sigsetjmp(curl_jmpenv, 1)) {
+    /* this is coming from a siglongjmp() after an alarm signal */
+    failf(data, "name lookup timed out");
+    rc = CURLRESOLV_ERROR;
+    goto clean_up;
+  }
+  else {
+    /*************************************************************
+     * Set signal handler to catch SIGALRM
+     * Store the old value to be able to set it back later!
+     *************************************************************/
+#ifdef HAVE_SIGACTION
+    sigaction(SIGALRM, NULL, &sigact);
+    keep_sigact = sigact;
+    keep_copysig = TRUE; /* yes, we have a copy */
+    sigact.sa_handler = alarmfunc;
+#ifdef SA_RESTART
+    /* HPUX doesn't have SA_RESTART but defaults to that behaviour! */
+    sigact.sa_flags &= ~SA_RESTART;
+#endif
+    /* now set the new struct */
+    sigaction(SIGALRM, &sigact, NULL);
+#else /* HAVE_SIGACTION */
+    /* no sigaction(), revert to the much lamer signal() */
+#ifdef HAVE_SIGNAL
+    keep_sigact = signal(SIGALRM, alarmfunc);
+#endif
+#endif /* HAVE_SIGACTION */
+
+    /* alarm() makes a signal get sent when the timeout fires off, and that
+       will abort system calls */
+    prev_alarm = alarm(curlx_sltoui(timeout/1000L));
+  }
+
+#else
+#ifndef CURLRES_ASYNCH
+  if(timeoutms)
+    infof(conn->data, "timeout on name lookup is not supported\n");
+#else
+  (void)timeoutms; /* timeoutms not used with an async resolver */
+#endif
+#endif /* USE_ALARM_TIMEOUT */
+
+  /* Perform the actual name resolution. This might be interrupted by an
+   * alarm if it takes too long.
+   */
+  rc = Curl_resolv(conn, hostname, port, entry);
+
+#ifdef USE_ALARM_TIMEOUT
+clean_up:
+
+  if(!prev_alarm)
+    /* deactivate a possibly active alarm before uninstalling the handler */
+    alarm(0);
+
+#ifdef HAVE_SIGACTION
+  if(keep_copysig) {
+    /* we got a struct as it looked before, now put that one back nice
+       and clean */
+    sigaction(SIGALRM, &keep_sigact, NULL); /* put it back */
+  }
+#else
+#ifdef HAVE_SIGNAL
+  /* restore the previous SIGALRM handler */
+  signal(SIGALRM, keep_sigact);
+#endif
+#endif /* HAVE_SIGACTION */
+
+  /* switch back the alarm() to either zero or to what it was before minus
+     the time we spent until now! */
+  if(prev_alarm) {
+    /* there was an alarm() set before us, now put it back */
+    timediff_t elapsed_secs = Curl_timediff(Curl_now(),
+                                            conn->created) / 1000;
+
+    /* the alarm period is counted in even number of seconds */
+    unsigned long alarm_set = prev_alarm - elapsed_secs;
+
+    if(!alarm_set ||
+       ((alarm_set >= 0x80000000) && (prev_alarm < 0x80000000)) ) {
+      /* if the alarm time-left reached zero or turned "negative" (counted
+         with unsigned values), we should fire off a SIGALRM here, but we
+         won't, and zero would be to switch it off so we never set it to
+         less than 1! */
+      alarm(1);
+      rc = CURLRESOLV_TIMEDOUT;
+      failf(data, "Previous alarm fired off!");
+    }
+    else
+      alarm((unsigned int)alarm_set);
+  }
+#endif /* USE_ALARM_TIMEOUT */
+
+  return rc;
+}
+
+/*
+ * Curl_resolv_unlock() unlocks the given cached DNS entry. When this has been
+ * made, the struct may be destroyed due to pruning. It is important that only
+ * one unlock is made for each Curl_resolv() call.
+ *
+ * May be called with 'data' == NULL for global cache.
+ */
+void Curl_resolv_unlock(struct Curl_easy *data, struct Curl_dns_entry *dns)
+{
+  if(data && data->share)
+    Curl_share_lock(data, CURL_LOCK_DATA_DNS, CURL_LOCK_ACCESS_SINGLE);
+
+  freednsentry(dns);
+
+  if(data && data->share)
+    Curl_share_unlock(data, CURL_LOCK_DATA_DNS);
+}
+
+/*
+ * File-internal: release cache dns entry reference, free if inuse drops to 0
+ */
+static void freednsentry(void *freethis)
+{
+  struct Curl_dns_entry *dns = (struct Curl_dns_entry *) freethis;
+  DEBUGASSERT(dns && (dns->inuse>0));
+
+  dns->inuse--;
+  if(dns->inuse == 0) {
+    Curl_freeaddrinfo(dns->addr);
+    free(dns);
+  }
+}
+
+/*
+ * Curl_mk_dnscache() inits a new DNS cache and returns success/failure.
+ */
+int Curl_mk_dnscache(struct curl_hash *hash)
+{
+  return Curl_hash_init(hash, 7, Curl_hash_str, Curl_str_key_compare,
+                        freednsentry);
+}
+
+/*
+ * Curl_hostcache_clean()
+ *
+ * This _can_ be called with 'data' == NULL but then of course no locking
+ * can be done!
+ */
+
+void Curl_hostcache_clean(struct Curl_easy *data,
+                          struct curl_hash *hash)
+{
+  if(data && data->share)
+    Curl_share_lock(data, CURL_LOCK_DATA_DNS, CURL_LOCK_ACCESS_SINGLE);
+
+  Curl_hash_clean(hash);
+
+  if(data && data->share)
+    Curl_share_unlock(data, CURL_LOCK_DATA_DNS);
+}
+
+
+CURLcode Curl_loadhostpairs(struct Curl_easy *data)
+{
+  struct curl_slist *hostp;
+  char hostname[256];
+  int port = 0;
+
+  /* Default is no wildcard found */
+  data->change.wildcard_resolve = false;
+
+  for(hostp = data->change.resolve; hostp; hostp = hostp->next) {
+    if(!hostp->data)
+      continue;
+    if(hostp->data[0] == '-') {
+      char *entry_id;
+      size_t entry_len;
+
+      if(2 != sscanf(hostp->data + 1, "%255[^:]:%d", hostname, &port)) {
+        infof(data, "Couldn't parse CURLOPT_RESOLVE removal entry '%s'!\n",
+              hostp->data);
+        continue;
+      }
+
+      /* Create an entry id, based upon the hostname and port */
+      entry_id = create_hostcache_id(hostname, port);
+      /* If we can't create the entry id, fail */
+      if(!entry_id) {
+        return CURLE_OUT_OF_MEMORY;
+      }
+
+      entry_len = strlen(entry_id);
+
+      if(data->share)
+        Curl_share_lock(data, CURL_LOCK_DATA_DNS, CURL_LOCK_ACCESS_SINGLE);
+
+      /* delete entry, ignore if it didn't exist */
+      Curl_hash_delete(data->dns.hostcache, entry_id, entry_len + 1);
+
+      if(data->share)
+        Curl_share_unlock(data, CURL_LOCK_DATA_DNS);
+
+      /* free the allocated entry_id again */
+      free(entry_id);
+    }
+    else {
+      struct Curl_dns_entry *dns;
+      Curl_addrinfo *head = NULL, *tail = NULL;
+      char *entry_id;
+      size_t entry_len;
+      char address[64];
+#if !defined(CURL_DISABLE_VERBOSE_STRINGS)
+      char *addresses = NULL;
+#endif
+      char *addr_begin;
+      char *addr_end;
+      char *port_ptr;
+      char *end_ptr;
+      char *host_end;
+      unsigned long tmp_port;
+      bool error = true;
+
+      host_end = strchr(hostp->data, ':');
+      if(!host_end ||
+         ((host_end - hostp->data) >= (ptrdiff_t)sizeof(hostname)))
+        goto err;
+
+      memcpy(hostname, hostp->data, host_end - hostp->data);
+      hostname[host_end - hostp->data] = '\0';
+
+      port_ptr = host_end + 1;
+      tmp_port = strtoul(port_ptr, &end_ptr, 10);
+      if(tmp_port > USHRT_MAX || end_ptr == port_ptr || *end_ptr != ':')
+        goto err;
+
+      port = (int)tmp_port;
+#if !defined(CURL_DISABLE_VERBOSE_STRINGS)
+      addresses = end_ptr + 1;
+#endif
+
+      while(*end_ptr) {
+        size_t alen;
+        Curl_addrinfo *ai;
+
+        addr_begin = end_ptr + 1;
+        addr_end = strchr(addr_begin, ',');
+        if(!addr_end)
+          addr_end = addr_begin + strlen(addr_begin);
+        end_ptr = addr_end;
+
+        /* allow IP(v6) address within [brackets] */
+        if(*addr_begin == '[') {
+          if(addr_end == addr_begin || *(addr_end - 1) != ']')
+            goto err;
+          ++addr_begin;
+          --addr_end;
+        }
+
+        alen = addr_end - addr_begin;
+        if(!alen)
+          continue;
+
+        if(alen >= sizeof(address))
+          goto err;
+
+        memcpy(address, addr_begin, alen);
+        address[alen] = '\0';
+
+#ifndef ENABLE_IPV6
+        if(strchr(address, ':')) {
+          infof(data, "Ignoring resolve address '%s', missing IPv6 support.\n",
+                address);
+          continue;
+        }
+#endif
+
+        ai = Curl_str2addr(address, port);
+        if(!ai) {
+          infof(data, "Resolve address '%s' found illegal!\n", address);
+          goto err;
+        }
+
+        if(tail) {
+          tail->ai_next = ai;
+          tail = tail->ai_next;
+        }
+        else {
+          head = tail = ai;
+        }
+      }
+
+      if(!head)
+        goto err;
+
+      error = false;
+   err:
+      if(error) {
+        infof(data, "Couldn't parse CURLOPT_RESOLVE entry '%s'!\n",
+              hostp->data);
+        Curl_freeaddrinfo(head);
+        continue;
+      }
+
+      /* Create an entry id, based upon the hostname and port */
+      entry_id = create_hostcache_id(hostname, port);
+      /* If we can't create the entry id, fail */
+      if(!entry_id) {
+        Curl_freeaddrinfo(head);
+        return CURLE_OUT_OF_MEMORY;
+      }
+      entry_len = strlen(entry_id);
+
+      if(data->share)
+        Curl_share_lock(data, CURL_LOCK_DATA_DNS, CURL_LOCK_ACCESS_SINGLE);
+
+      /* See if its already in our dns cache */
+      dns = Curl_hash_pick(data->dns.hostcache, entry_id, entry_len + 1);
+
+      if(dns) {
+        infof(data, "RESOLVE %s:%d is - old addresses discarded!\n",
+                hostname, port);
+        /* delete old entry entry, there are two reasons for this
+         1. old entry may have different addresses.
+         2. even if entry with correct addresses is already in the cache,
+            but if it is close to expire, then by the time next http
+            request is made, it can get expired and pruned because old
+            entry is not necessarily marked as added by CURLOPT_RESOLVE. */
+
+        Curl_hash_delete(data->dns.hostcache, entry_id, entry_len + 1);
+      }
+      /* free the allocated entry_id again */
+      free(entry_id);
+
+      /* put this new host in the cache */
+      dns = Curl_cache_addr(data, head, hostname, port);
+      if(dns) {
+        dns->timestamp = 0; /* mark as added by CURLOPT_RESOLVE */
+        /* release the returned reference; the cache itself will keep the
+         * entry alive: */
+            dns->inuse--;
+      }
+
+      if(data->share)
+        Curl_share_unlock(data, CURL_LOCK_DATA_DNS);
+
+      if(!dns) {
+        Curl_freeaddrinfo(head);
+        return CURLE_OUT_OF_MEMORY;
+      }
+      infof(data, "Added %s:%d:%s to DNS cache\n",
+            hostname, port, addresses);
+
+      /* Wildcard hostname */
+      if(hostname[0] == '*' && hostname[1] == '\0') {
+        infof(data, "RESOLVE %s:%d is wildcard, enabling wildcard checks\n",
+              hostname, port);
+        data->change.wildcard_resolve = true;
+      }
+    }
+  }
+  data->change.resolve = NULL; /* dealt with now */
+
+  return CURLE_OK;
+}
+
+CURLcode Curl_resolv_check(struct connectdata *conn,
+                           struct Curl_dns_entry **dns)
+{
+  if(conn->data->set.doh)
+    return Curl_doh_is_resolved(conn, dns);
+  return Curl_resolver_is_resolved(conn, dns);
+}
+
+int Curl_resolv_getsock(struct connectdata *conn,
+                        curl_socket_t *socks,
+                        int numsocks)
+{
+#ifdef CURLRES_ASYNCH
+  if(conn->data->set.doh)
+    /* nothing to wait for during DOH resolve, those handles have their own
+       sockets */
+    return GETSOCK_BLANK;
+  return Curl_resolver_getsock(conn, socks, numsocks);
+#else
+  (void)conn;
+  (void)socks;
+  (void)numsocks;
+  return GETSOCK_BLANK;
+#endif
+}
+
+/* Call this function after Curl_connect() has returned async=TRUE and
+   then a successful name resolve has been received.
+
+   Note: this function disconnects and frees the conn data in case of
+   resolve failure */
+CURLcode Curl_once_resolved(struct connectdata *conn,
+                            bool *protocol_done)
+{
+  CURLcode result;
+
+  if(conn->async.dns) {
+    conn->dns_entry = conn->async.dns;
+    conn->async.dns = NULL;
+  }
+
+  result = Curl_setup_conn(conn, protocol_done);
+
+  if(result)
+    /* We're not allowed to return failure with memory left allocated
+       in the connectdata struct, free those here */
+    Curl_disconnect(conn->data, conn, TRUE); /* close the connection */
+
+  return result;
+}
Index: trunk/src/libs/curl-7.64.0/lib/hostip.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/hostip.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/hostip.h	(revision 85671)
@@ -0,0 +1,262 @@
+#ifndef HEADER_CURL_HOSTIP_H
+#define HEADER_CURL_HOSTIP_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+#include "hash.h"
+#include "curl_addrinfo.h"
+#include "asyn.h"
+
+#ifdef HAVE_SETJMP_H
+#include <setjmp.h>
+#endif
+
+#ifdef NETWARE
+#undef in_addr_t
+#define in_addr_t unsigned long
+#endif
+
+/* Allocate enough memory to hold the full name information structs and
+ * everything. OSF1 is known to require at least 8872 bytes. The buffer
+ * required for storing all possible aliases and IP numbers is according to
+ * Stevens' Unix Network Programming 2nd edition, p. 304: 8192 bytes!
+ */
+#define CURL_HOSTENT_SIZE 9000
+
+#define CURL_TIMEOUT_RESOLVE 300 /* when using asynch methods, we allow this
+                                    many seconds for a name resolve */
+
+#define CURL_ASYNC_SUCCESS CURLE_OK
+
+struct addrinfo;
+struct hostent;
+struct Curl_easy;
+struct connectdata;
+
+/*
+ * Curl_global_host_cache_init() initializes and sets up a global DNS cache.
+ * Global DNS cache is general badness. Do not use. This will be removed in
+ * a future version. Use the share interface instead!
+ *
+ * Returns a struct curl_hash pointer on success, NULL on failure.
+ */
+struct curl_hash *Curl_global_host_cache_init(void);
+void Curl_global_host_cache_dtor(void);
+
+struct Curl_dns_entry {
+  Curl_addrinfo *addr;
+  /* timestamp == 0 -- CURLOPT_RESOLVE entry, doesn't timeout */
+  time_t timestamp;
+  /* use-counter, use Curl_resolv_unlock to release reference */
+  long inuse;
+};
+
+/*
+ * Curl_resolv() returns an entry with the info for the specified host
+ * and port.
+ *
+ * The returned data *MUST* be "unlocked" with Curl_resolv_unlock() after
+ * use, or we'll leak memory!
+ */
+/* return codes */
+#define CURLRESOLV_TIMEDOUT -2
+#define CURLRESOLV_ERROR    -1
+#define CURLRESOLV_RESOLVED  0
+#define CURLRESOLV_PENDING   1
+int Curl_resolv(struct connectdata *conn, const char *hostname,
+                int port, struct Curl_dns_entry **dnsentry);
+int Curl_resolv_timeout(struct connectdata *conn, const char *hostname,
+                        int port, struct Curl_dns_entry **dnsentry,
+                        time_t timeoutms);
+
+#ifdef CURLRES_IPV6
+/*
+ * Curl_ipv6works() returns TRUE if IPv6 seems to work.
+ */
+bool Curl_ipv6works(void);
+#else
+#define Curl_ipv6works() FALSE
+#endif
+
+/*
+ * Curl_ipvalid() checks what CURL_IPRESOLVE_* requirements that might've
+ * been set and returns TRUE if they are OK.
+ */
+bool Curl_ipvalid(struct connectdata *conn);
+
+
+/*
+ * Curl_getaddrinfo() is the generic low-level name resolve API within this
+ * source file. There are several versions of this function - for different
+ * name resolve layers (selected at build-time). They all take this same set
+ * of arguments
+ */
+Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
+                                const char *hostname,
+                                int port,
+                                int *waitp);
+
+
+/* unlock a previously resolved dns entry */
+void Curl_resolv_unlock(struct Curl_easy *data,
+                        struct Curl_dns_entry *dns);
+
+/* for debugging purposes only: */
+void Curl_scan_cache_used(void *user, void *ptr);
+
+/* init a new dns cache and return success */
+int Curl_mk_dnscache(struct curl_hash *hash);
+
+/* prune old entries from the DNS cache */
+void Curl_hostcache_prune(struct Curl_easy *data);
+
+/* Return # of addresses in a Curl_addrinfo struct */
+int Curl_num_addresses(const Curl_addrinfo *addr);
+
+#if defined(CURLDEBUG) && defined(HAVE_GETNAMEINFO)
+int curl_dogetnameinfo(GETNAMEINFO_QUAL_ARG1 GETNAMEINFO_TYPE_ARG1 sa,
+                       GETNAMEINFO_TYPE_ARG2 salen,
+                       char *host, GETNAMEINFO_TYPE_ARG46 hostlen,
+                       char *serv, GETNAMEINFO_TYPE_ARG46 servlen,
+                       GETNAMEINFO_TYPE_ARG7 flags,
+                       int line, const char *source);
+#endif
+
+/* IPv4 threadsafe resolve function used for synch and asynch builds */
+Curl_addrinfo *Curl_ipv4_resolve_r(const char *hostname, int port);
+
+CURLcode Curl_once_resolved(struct connectdata *conn, bool *protocol_connect);
+
+/*
+ * Curl_addrinfo_callback() is used when we build with any asynch specialty.
+ * Handles end of async request processing. Inserts ai into hostcache when
+ * status is CURL_ASYNC_SUCCESS. Twiddles fields in conn to indicate async
+ * request completed whether successful or failed.
+ */
+CURLcode Curl_addrinfo_callback(struct connectdata *conn,
+                                int status,
+                                Curl_addrinfo *ai);
+
+/*
+ * Curl_printable_address() returns a printable version of the 1st address
+ * given in the 'ip' argument. The result will be stored in the buf that is
+ * bufsize bytes big.
+ */
+const char *Curl_printable_address(const Curl_addrinfo *ip,
+                                   char *buf, size_t bufsize);
+
+/*
+ * Curl_fetch_addr() fetches a 'Curl_dns_entry' already in the DNS cache.
+ *
+ * Returns the Curl_dns_entry entry pointer or NULL if not in the cache.
+ *
+ * The returned data *MUST* be "unlocked" with Curl_resolv_unlock() after
+ * use, or we'll leak memory!
+ */
+struct Curl_dns_entry *
+Curl_fetch_addr(struct connectdata *conn,
+                const char *hostname,
+                int port);
+
+/*
+ * Curl_shuffle_addr() shuffles the order of addresses in a 'Curl_addrinfo'
+ * struct by re-linking its linked list.
+ *
+ * The addr argument should be the address of a pointer to the head node of a
+ * `Curl_addrinfo` list and it will be modified to point to the new head after
+ * shuffling.
+ */
+CURLcode Curl_shuffle_addr(struct Curl_easy *data, Curl_addrinfo **addr);
+
+/*
+ * Curl_cache_addr() stores a 'Curl_addrinfo' struct in the DNS cache.
+ *
+ * Returns the Curl_dns_entry entry pointer or NULL if the storage failed.
+ */
+struct Curl_dns_entry *
+Curl_cache_addr(struct Curl_easy *data, Curl_addrinfo *addr,
+                const char *hostname, int port);
+
+#ifndef INADDR_NONE
+#define CURL_INADDR_NONE (in_addr_t) ~0
+#else
+#define CURL_INADDR_NONE INADDR_NONE
+#endif
+
+#ifdef HAVE_SIGSETJMP
+/* Forward-declaration of variable defined in hostip.c. Beware this
+ * is a global and unique instance. This is used to store the return
+ * address that we can jump back to from inside a signal handler.
+ * This is not thread-safe stuff.
+ */
+extern sigjmp_buf curl_jmpenv;
+#endif
+
+/*
+ * Function provided by the resolver backend to set DNS servers to use.
+ */
+CURLcode Curl_set_dns_servers(struct Curl_easy *data, char *servers);
+
+/*
+ * Function provided by the resolver backend to set
+ * outgoing interface to use for DNS requests
+ */
+CURLcode Curl_set_dns_interface(struct Curl_easy *data,
+                                const char *interf);
+
+/*
+ * Function provided by the resolver backend to set
+ * local IPv4 address to use as source address for DNS requests
+ */
+CURLcode Curl_set_dns_local_ip4(struct Curl_easy *data,
+                                const char *local_ip4);
+
+/*
+ * Function provided by the resolver backend to set
+ * local IPv6 address to use as source address for DNS requests
+ */
+CURLcode Curl_set_dns_local_ip6(struct Curl_easy *data,
+                                const char *local_ip6);
+
+/*
+ * Clean off entries from the cache
+ */
+void Curl_hostcache_clean(struct Curl_easy *data, struct curl_hash *hash);
+
+/*
+ * Destroy the hostcache of this handle.
+ */
+void Curl_hostcache_destroy(struct Curl_easy *data);
+
+/*
+ * Populate the cache with specified entries from CURLOPT_RESOLVE.
+ */
+CURLcode Curl_loadhostpairs(struct Curl_easy *data);
+
+CURLcode Curl_resolv_check(struct connectdata *conn,
+                           struct Curl_dns_entry **dns);
+int Curl_resolv_getsock(struct connectdata *conn,
+                        curl_socket_t *socks,
+                        int numsocks);
+
+#endif /* HEADER_CURL_HOSTIP_H */
Index: trunk/src/libs/curl-7.64.0/lib/hostip4.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/hostip4.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/hostip4.c	(revision 85671)
@@ -0,0 +1,308 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+/***********************************************************************
+ * Only for plain IPv4 builds
+ **********************************************************************/
+#ifdef CURLRES_IPV4 /* plain IPv4 code coming up */
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#ifdef HAVE_PROCESS_H
+#include <process.h>
+#endif
+
+#include "urldata.h"
+#include "sendf.h"
+#include "hostip.h"
+#include "hash.h"
+#include "share.h"
+#include "strerror.h"
+#include "url.h"
+#include "inet_pton.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Curl_ipvalid() checks what CURL_IPRESOLVE_* requirements that might've
+ * been set and returns TRUE if they are OK.
+ */
+bool Curl_ipvalid(struct connectdata *conn)
+{
+  if(conn->ip_version == CURL_IPRESOLVE_V6)
+    /* An IPv6 address was requested and we can't get/use one */
+    return FALSE;
+
+  return TRUE; /* OK, proceed */
+}
+
+#ifdef CURLRES_SYNCH
+
+/*
+ * Curl_getaddrinfo() - the IPv4 synchronous version.
+ *
+ * The original code to this function was from the Dancer source code, written
+ * by Bjorn Reese, it has since been patched and modified considerably.
+ *
+ * gethostbyname_r() is the thread-safe version of the gethostbyname()
+ * function. When we build for plain IPv4, we attempt to use this
+ * function. There are _three_ different gethostbyname_r() versions, and we
+ * detect which one this platform supports in the configure script and set up
+ * the HAVE_GETHOSTBYNAME_R_3, HAVE_GETHOSTBYNAME_R_5 or
+ * HAVE_GETHOSTBYNAME_R_6 defines accordingly. Note that HAVE_GETADDRBYNAME
+ * has the corresponding rules. This is primarily on *nix. Note that some unix
+ * flavours have thread-safe versions of the plain gethostbyname() etc.
+ *
+ */
+Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
+                                const char *hostname,
+                                int port,
+                                int *waitp)
+{
+  Curl_addrinfo *ai = NULL;
+
+#ifdef CURL_DISABLE_VERBOSE_STRINGS
+  (void)conn;
+#endif
+
+  *waitp = 0; /* synchronous response only */
+
+  ai = Curl_ipv4_resolve_r(hostname, port);
+  if(!ai)
+    infof(conn->data, "Curl_ipv4_resolve_r failed for %s\n", hostname);
+
+  return ai;
+}
+#endif /* CURLRES_SYNCH */
+#endif /* CURLRES_IPV4 */
+
+#if defined(CURLRES_IPV4) && !defined(CURLRES_ARES)
+
+/*
+ * Curl_ipv4_resolve_r() - ipv4 threadsafe resolver function.
+ *
+ * This is used for both synchronous and asynchronous resolver builds,
+ * implying that only threadsafe code and function calls may be used.
+ *
+ */
+Curl_addrinfo *Curl_ipv4_resolve_r(const char *hostname,
+                                   int port)
+{
+#if !defined(HAVE_GETADDRINFO_THREADSAFE) && defined(HAVE_GETHOSTBYNAME_R_3)
+  int res;
+#endif
+  Curl_addrinfo *ai = NULL;
+  struct hostent *h = NULL;
+  struct in_addr in;
+  struct hostent *buf = NULL;
+
+  if(Curl_inet_pton(AF_INET, hostname, &in) > 0)
+    /* This is a dotted IP address 123.123.123.123-style */
+    return Curl_ip2addr(AF_INET, &in, hostname, port);
+
+#if defined(HAVE_GETADDRINFO_THREADSAFE)
+  else {
+    struct addrinfo hints;
+    char sbuf[12];
+    char *sbufptr = NULL;
+
+    memset(&hints, 0, sizeof(hints));
+    hints.ai_family = PF_INET;
+    hints.ai_socktype = SOCK_STREAM;
+    if(port) {
+      msnprintf(sbuf, sizeof(sbuf), "%d", port);
+      sbufptr = sbuf;
+    }
+
+    (void)Curl_getaddrinfo_ex(hostname, sbufptr, &hints, &ai);
+
+#elif defined(HAVE_GETHOSTBYNAME_R)
+  /*
+   * gethostbyname_r() is the preferred resolve function for many platforms.
+   * Since there are three different versions of it, the following code is
+   * somewhat #ifdef-ridden.
+   */
+  else {
+    int h_errnop;
+
+    buf = calloc(1, CURL_HOSTENT_SIZE);
+    if(!buf)
+      return NULL; /* major failure */
+    /*
+     * The clearing of the buffer is a workaround for a gethostbyname_r bug in
+     * qnx nto and it is also _required_ for some of these functions on some
+     * platforms.
+     */
+
+#if defined(HAVE_GETHOSTBYNAME_R_5)
+    /* Solaris, IRIX and more */
+    h = gethostbyname_r(hostname,
+                        (struct hostent *)buf,
+                        (char *)buf + sizeof(struct hostent),
+                        CURL_HOSTENT_SIZE - sizeof(struct hostent),
+                        &h_errnop);
+
+    /* If the buffer is too small, it returns NULL and sets errno to
+     * ERANGE. The errno is thread safe if this is compiled with
+     * -D_REENTRANT as then the 'errno' variable is a macro defined to get
+     * used properly for threads.
+     */
+
+    if(h) {
+      ;
+    }
+    else
+#elif defined(HAVE_GETHOSTBYNAME_R_6)
+    /* Linux */
+
+    (void)gethostbyname_r(hostname,
+                        (struct hostent *)buf,
+                        (char *)buf + sizeof(struct hostent),
+                        CURL_HOSTENT_SIZE - sizeof(struct hostent),
+                        &h, /* DIFFERENCE */
+                        &h_errnop);
+    /* Redhat 8, using glibc 2.2.93 changed the behavior. Now all of a
+     * sudden this function returns EAGAIN if the given buffer size is too
+     * small. Previous versions are known to return ERANGE for the same
+     * problem.
+     *
+     * This wouldn't be such a big problem if older versions wouldn't
+     * sometimes return EAGAIN on a common failure case. Alas, we can't
+     * assume that EAGAIN *or* ERANGE means ERANGE for any given version of
+     * glibc.
+     *
+     * For now, we do that and thus we may call the function repeatedly and
+     * fail for older glibc versions that return EAGAIN, until we run out of
+     * buffer size (step_size grows beyond CURL_HOSTENT_SIZE).
+     *
+     * If anyone has a better fix, please tell us!
+     *
+     * -------------------------------------------------------------------
+     *
+     * On October 23rd 2003, Dan C dug up more details on the mysteries of
+     * gethostbyname_r() in glibc:
+     *
+     * In glibc 2.2.5 the interface is different (this has also been
+     * discovered in glibc 2.1.1-6 as shipped by Redhat 6). What I can't
+     * explain, is that tests performed on glibc 2.2.4-34 and 2.2.4-32
+     * (shipped/upgraded by Redhat 7.2) don't show this behavior!
+     *
+     * In this "buggy" version, the return code is -1 on error and 'errno'
+     * is set to the ERANGE or EAGAIN code. Note that 'errno' is not a
+     * thread-safe variable.
+     */
+
+    if(!h) /* failure */
+#elif defined(HAVE_GETHOSTBYNAME_R_3)
+    /* AIX, Digital Unix/Tru64, HPUX 10, more? */
+
+    /* For AIX 4.3 or later, we don't use gethostbyname_r() at all, because of
+     * the plain fact that it does not return unique full buffers on each
+     * call, but instead several of the pointers in the hostent structs will
+     * point to the same actual data! This have the unfortunate down-side that
+     * our caching system breaks down horribly. Luckily for us though, AIX 4.3
+     * and more recent versions have a "completely thread-safe"[*] libc where
+     * all the data is stored in thread-specific memory areas making calls to
+     * the plain old gethostbyname() work fine even for multi-threaded
+     * programs.
+     *
+     * This AIX 4.3 or later detection is all made in the configure script.
+     *
+     * Troels Walsted Hansen helped us work this out on March 3rd, 2003.
+     *
+     * [*] = much later we've found out that it isn't at all "completely
+     * thread-safe", but at least the gethostbyname() function is.
+     */
+
+    if(CURL_HOSTENT_SIZE >=
+       (sizeof(struct hostent) + sizeof(struct hostent_data))) {
+
+      /* August 22nd, 2000: Albert Chin-A-Young brought an updated version
+       * that should work! September 20: Richard Prescott worked on the buffer
+       * size dilemma.
+       */
+
+      res = gethostbyname_r(hostname,
+                            (struct hostent *)buf,
+                            (struct hostent_data *)((char *)buf +
+                                                    sizeof(struct hostent)));
+      h_errnop = SOCKERRNO; /* we don't deal with this, but set it anyway */
+    }
+    else
+      res = -1; /* failure, too smallish buffer size */
+
+    if(!res) { /* success */
+
+      h = buf; /* result expected in h */
+
+      /* This is the worst kind of the different gethostbyname_r() interfaces.
+       * Since we don't know how big buffer this particular lookup required,
+       * we can't realloc down the huge alloc without doing closer analysis of
+       * the returned data. Thus, we always use CURL_HOSTENT_SIZE for every
+       * name lookup. Fixing this would require an extra malloc() and then
+       * calling Curl_addrinfo_copy() that subsequent realloc()s down the new
+       * memory area to the actually used amount.
+       */
+    }
+    else
+#endif /* HAVE_...BYNAME_R_5 || HAVE_...BYNAME_R_6 || HAVE_...BYNAME_R_3 */
+    {
+      h = NULL; /* set return code to NULL */
+      free(buf);
+    }
+#else /* HAVE_GETADDRINFO_THREADSAFE || HAVE_GETHOSTBYNAME_R */
+    /*
+     * Here is code for platforms that don't have a thread safe
+     * getaddrinfo() nor gethostbyname_r() function or for which
+     * gethostbyname() is the preferred one.
+     */
+  else {
+    h = gethostbyname((void *)hostname);
+#endif /* HAVE_GETADDRINFO_THREADSAFE || HAVE_GETHOSTBYNAME_R */
+  }
+
+  if(h) {
+    ai = Curl_he2ai(h, port);
+
+    if(buf) /* used a *_r() function */
+      free(buf);
+  }
+
+  return ai;
+}
+#endif /* defined(CURLRES_IPV4) && !defined(CURLRES_ARES) */
Index: trunk/src/libs/curl-7.64.0/lib/hostip6.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/hostip6.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/hostip6.c	(revision 85671)
@@ -0,0 +1,201 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+/***********************************************************************
+ * Only for IPv6-enabled builds
+ **********************************************************************/
+#ifdef CURLRES_IPV6
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#ifdef HAVE_PROCESS_H
+#include <process.h>
+#endif
+
+#include "urldata.h"
+#include "sendf.h"
+#include "hostip.h"
+#include "hash.h"
+#include "share.h"
+#include "strerror.h"
+#include "url.h"
+#include "inet_pton.h"
+#include "connect.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Curl_ipv6works() returns TRUE if IPv6 seems to work.
+ */
+bool Curl_ipv6works(void)
+{
+  /* the nature of most system is that IPv6 status doesn't come and go
+     during a program's lifetime so we only probe the first time and then we
+     have the info kept for fast re-use */
+  static int ipv6_works = -1;
+  if(-1 == ipv6_works) {
+    /* probe to see if we have a working IPv6 stack */
+    curl_socket_t s = socket(PF_INET6, SOCK_DGRAM, 0);
+    if(s == CURL_SOCKET_BAD)
+      /* an IPv6 address was requested but we can't get/use one */
+      ipv6_works = 0;
+    else {
+      ipv6_works = 1;
+      Curl_closesocket(NULL, s);
+    }
+  }
+  return (ipv6_works>0)?TRUE:FALSE;
+}
+
+/*
+ * Curl_ipvalid() checks what CURL_IPRESOLVE_* requirements that might've
+ * been set and returns TRUE if they are OK.
+ */
+bool Curl_ipvalid(struct connectdata *conn)
+{
+  if(conn->ip_version == CURL_IPRESOLVE_V6)
+    return Curl_ipv6works();
+
+  return TRUE;
+}
+
+#if defined(CURLRES_SYNCH)
+
+#ifdef DEBUG_ADDRINFO
+static void dump_addrinfo(struct connectdata *conn, const Curl_addrinfo *ai)
+{
+  printf("dump_addrinfo:\n");
+  for(; ai; ai = ai->ai_next) {
+    char  buf[INET6_ADDRSTRLEN];
+
+    printf("    fam %2d, CNAME %s, ",
+           ai->ai_family, ai->ai_canonname ? ai->ai_canonname : "<none>");
+    if(Curl_printable_address(ai, buf, sizeof(buf)))
+      printf("%s\n", buf);
+    else
+      printf("failed; %s\n", Curl_strerror(conn, SOCKERRNO));
+  }
+}
+#else
+#define dump_addrinfo(x,y) Curl_nop_stmt
+#endif
+
+/*
+ * Curl_getaddrinfo() when built IPv6-enabled (non-threading and
+ * non-ares version).
+ *
+ * Returns name information about the given hostname and port number. If
+ * successful, the 'addrinfo' is returned and the forth argument will point to
+ * memory we need to free after use. That memory *MUST* be freed with
+ * Curl_freeaddrinfo(), nothing else.
+ */
+Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
+                                const char *hostname,
+                                int port,
+                                int *waitp)
+{
+  struct addrinfo hints;
+  Curl_addrinfo *res;
+  int error;
+  char sbuf[12];
+  char *sbufptr = NULL;
+#ifndef USE_RESOLVE_ON_IPS
+  char addrbuf[128];
+#endif
+  int pf;
+#if !defined(CURL_DISABLE_VERBOSE_STRINGS)
+  struct Curl_easy *data = conn->data;
+#endif
+
+  *waitp = 0; /* synchronous response only */
+
+  /* Check if a limited name resolve has been requested */
+  switch(conn->ip_version) {
+  case CURL_IPRESOLVE_V4:
+    pf = PF_INET;
+    break;
+  case CURL_IPRESOLVE_V6:
+    pf = PF_INET6;
+    break;
+  default:
+    pf = PF_UNSPEC;
+    break;
+  }
+
+  if((pf != PF_INET) && !Curl_ipv6works())
+    /* The stack seems to be a non-IPv6 one */
+    pf = PF_INET;
+
+  memset(&hints, 0, sizeof(hints));
+  hints.ai_family = pf;
+  hints.ai_socktype = conn->socktype;
+
+#ifndef USE_RESOLVE_ON_IPS
+  /*
+   * The AI_NUMERICHOST must not be set to get synthesized IPv6 address from
+   * an IPv4 address on iOS and Mac OS X.
+   */
+  if((1 == Curl_inet_pton(AF_INET, hostname, addrbuf)) ||
+     (1 == Curl_inet_pton(AF_INET6, hostname, addrbuf))) {
+    /* the given address is numerical only, prevent a reverse lookup */
+    hints.ai_flags = AI_NUMERICHOST;
+  }
+#endif
+
+  if(port) {
+    msnprintf(sbuf, sizeof(sbuf), "%d", port);
+    sbufptr = sbuf;
+  }
+
+  error = Curl_getaddrinfo_ex(hostname, sbufptr, &hints, &res);
+  if(error) {
+    infof(data, "getaddrinfo(3) failed for %s:%d\n", hostname, port);
+    return NULL;
+  }
+
+  if(port) {
+    Curl_addrinfo_set_port(res, port);
+  }
+
+  dump_addrinfo(conn, res);
+
+  return res;
+}
+#endif /* CURLRES_SYNCH */
+
+#endif /* CURLRES_IPV6 */
Index: trunk/src/libs/curl-7.64.0/lib/hostsyn.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/hostsyn.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/hostsyn.c	(revision 85671)
@@ -0,0 +1,107 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+/***********************************************************************
+ * Only for builds using synchronous name resolves
+ **********************************************************************/
+#ifdef CURLRES_SYNCH
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#ifdef HAVE_PROCESS_H
+#include <process.h>
+#endif
+
+#include "urldata.h"
+#include "sendf.h"
+#include "hostip.h"
+#include "hash.h"
+#include "share.h"
+#include "strerror.h"
+#include "url.h"
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/*
+ * Function provided by the resolver backend to set DNS servers to use.
+ */
+CURLcode Curl_set_dns_servers(struct Curl_easy *data,
+                              char *servers)
+{
+  (void)data;
+  (void)servers;
+  return CURLE_NOT_BUILT_IN;
+
+}
+
+/*
+ * Function provided by the resolver backend to set
+ * outgoing interface to use for DNS requests
+ */
+CURLcode Curl_set_dns_interface(struct Curl_easy *data,
+                                const char *interf)
+{
+  (void)data;
+  (void)interf;
+  return CURLE_NOT_BUILT_IN;
+}
+
+/*
+ * Function provided by the resolver backend to set
+ * local IPv4 address to use as source address for DNS requests
+ */
+CURLcode Curl_set_dns_local_ip4(struct Curl_easy *data,
+                                const char *local_ip4)
+{
+  (void)data;
+  (void)local_ip4;
+  return CURLE_NOT_BUILT_IN;
+}
+
+/*
+ * Function provided by the resolver backend to set
+ * local IPv6 address to use as source address for DNS requests
+ */
+CURLcode Curl_set_dns_local_ip6(struct Curl_easy *data,
+                                const char *local_ip6)
+{
+  (void)data;
+  (void)local_ip6;
+  return CURLE_NOT_BUILT_IN;
+}
+
+#endif /* truly sync */
Index: trunk/src/libs/curl-7.64.0/lib/http.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/http.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/http.c	(revision 85671)
@@ -0,0 +1,4027 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_HTTP
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_NET_IF_H
+#include <net/if.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+#include "urldata.h"
+#include <curl/curl.h>
+#include "transfer.h"
+#include "sendf.h"
+#include "formdata.h"
+#include "mime.h"
+#include "progress.h"
+#include "curl_base64.h"
+#include "cookie.h"
+#include "vauth/vauth.h"
+#include "vtls/vtls.h"
+#include "http_digest.h"
+#include "http_ntlm.h"
+#include "curl_ntlm_wb.h"
+#include "http_negotiate.h"
+#include "url.h"
+#include "share.h"
+#include "hostip.h"
+#include "http.h"
+#include "select.h"
+#include "parsedate.h" /* for the week day and month names */
+#include "strtoofft.h"
+#include "multiif.h"
+#include "strcase.h"
+#include "content_encoding.h"
+#include "http_proxy.h"
+#include "warnless.h"
+#include "non-ascii.h"
+#include "pipeline.h"
+#include "http2.h"
+#include "connect.h"
+#include "strdup.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Forward declarations.
+ */
+
+static int http_getsock_do(struct connectdata *conn,
+                           curl_socket_t *socks,
+                           int numsocks);
+static int http_should_fail(struct connectdata *conn);
+
+static CURLcode add_haproxy_protocol_header(struct connectdata *conn);
+
+#ifdef USE_SSL
+static CURLcode https_connecting(struct connectdata *conn, bool *done);
+static int https_getsock(struct connectdata *conn,
+                         curl_socket_t *socks,
+                         int numsocks);
+#else
+#define https_connecting(x,y) CURLE_COULDNT_CONNECT
+#endif
+
+/*
+ * HTTP handler interface.
+ */
+const struct Curl_handler Curl_handler_http = {
+  "HTTP",                               /* scheme */
+  Curl_http_setup_conn,                 /* setup_connection */
+  Curl_http,                            /* do_it */
+  Curl_http_done,                       /* done */
+  ZERO_NULL,                            /* do_more */
+  Curl_http_connect,                    /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  http_getsock_do,                      /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  ZERO_NULL,                            /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_HTTP,                            /* defport */
+  CURLPROTO_HTTP,                       /* protocol */
+  PROTOPT_CREDSPERREQUEST               /* flags */
+};
+
+#ifdef USE_SSL
+/*
+ * HTTPS handler interface.
+ */
+const struct Curl_handler Curl_handler_https = {
+  "HTTPS",                              /* scheme */
+  Curl_http_setup_conn,                 /* setup_connection */
+  Curl_http,                            /* do_it */
+  Curl_http_done,                       /* done */
+  ZERO_NULL,                            /* do_more */
+  Curl_http_connect,                    /* connect_it */
+  https_connecting,                     /* connecting */
+  ZERO_NULL,                            /* doing */
+  https_getsock,                        /* proto_getsock */
+  http_getsock_do,                      /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  ZERO_NULL,                            /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_HTTPS,                           /* defport */
+  CURLPROTO_HTTPS,                      /* protocol */
+  PROTOPT_SSL | PROTOPT_CREDSPERREQUEST | PROTOPT_ALPN_NPN /* flags */
+};
+#endif
+
+CURLcode Curl_http_setup_conn(struct connectdata *conn)
+{
+  /* allocate the HTTP-specific struct for the Curl_easy, only to survive
+     during this request */
+  struct HTTP *http;
+  struct Curl_easy *data = conn->data;
+  DEBUGASSERT(data->req.protop == NULL);
+
+  http = calloc(1, sizeof(struct HTTP));
+  if(!http)
+    return CURLE_OUT_OF_MEMORY;
+
+  Curl_mime_initpart(&http->form, conn->data);
+  data->req.protop = http;
+
+  if(!CONN_INUSE(conn))
+    /* if not already multi-using, setup connection details */
+    Curl_http2_setup_conn(conn);
+  Curl_http2_setup_req(data);
+  return CURLE_OK;
+}
+
+
+/*
+ * checkProxyHeaders() checks the linked list of custom proxy headers
+ * if proxy headers are not available, then it will lookup into http header
+ * link list
+ *
+ * It takes a connectdata struct as input instead of the Curl_easy simply to
+ * know if this is a proxy request or not, as it then might check a different
+ * header list. Provide the header prefix without colon!.
+ */
+char *Curl_checkProxyheaders(const struct connectdata *conn,
+                             const char *thisheader)
+{
+  struct curl_slist *head;
+  size_t thislen = strlen(thisheader);
+  struct Curl_easy *data = conn->data;
+
+  for(head = (conn->bits.proxy && data->set.sep_headers) ?
+        data->set.proxyheaders : data->set.headers;
+      head; head = head->next) {
+    if(strncasecompare(head->data, thisheader, thislen) &&
+       Curl_headersep(head->data[thislen]))
+      return head->data;
+  }
+
+  return NULL;
+}
+
+/*
+ * Strip off leading and trailing whitespace from the value in the
+ * given HTTP header line and return a strdupped copy. Returns NULL in
+ * case of allocation failure. Returns an empty string if the header value
+ * consists entirely of whitespace.
+ */
+char *Curl_copy_header_value(const char *header)
+{
+  const char *start;
+  const char *end;
+  char *value;
+  size_t len;
+
+  /* Find the end of the header name */
+  while(*header && (*header != ':'))
+    ++header;
+
+  if(*header)
+    /* Skip over colon */
+    ++header;
+
+  /* Find the first non-space letter */
+  start = header;
+  while(*start && ISSPACE(*start))
+    start++;
+
+  /* data is in the host encoding so
+     use '\r' and '\n' instead of 0x0d and 0x0a */
+  end = strchr(start, '\r');
+  if(!end)
+    end = strchr(start, '\n');
+  if(!end)
+    end = strchr(start, '\0');
+  if(!end)
+    return NULL;
+
+  /* skip all trailing space letters */
+  while((end > start) && ISSPACE(*end))
+    end--;
+
+  /* get length of the type */
+  len = end - start + 1;
+
+  value = malloc(len + 1);
+  if(!value)
+    return NULL;
+
+  memcpy(value, start, len);
+  value[len] = 0; /* zero terminate */
+
+  return value;
+}
+
+/*
+ * http_output_basic() sets up an Authorization: header (or the proxy version)
+ * for HTTP Basic authentication.
+ *
+ * Returns CURLcode.
+ */
+static CURLcode http_output_basic(struct connectdata *conn, bool proxy)
+{
+  size_t size = 0;
+  char *authorization = NULL;
+  struct Curl_easy *data = conn->data;
+  char **userp;
+  const char *user;
+  const char *pwd;
+  CURLcode result;
+  char *out;
+
+  if(proxy) {
+    userp = &conn->allocptr.proxyuserpwd;
+    user = conn->http_proxy.user;
+    pwd = conn->http_proxy.passwd;
+  }
+  else {
+    userp = &conn->allocptr.userpwd;
+    user = conn->user;
+    pwd = conn->passwd;
+  }
+
+  out = aprintf("%s:%s", user, pwd);
+  if(!out)
+    return CURLE_OUT_OF_MEMORY;
+
+  result = Curl_base64_encode(data, out, strlen(out), &authorization, &size);
+  if(result)
+    goto fail;
+
+  if(!authorization) {
+    result = CURLE_REMOTE_ACCESS_DENIED;
+    goto fail;
+  }
+
+  free(*userp);
+  *userp = aprintf("%sAuthorization: Basic %s\r\n",
+                   proxy ? "Proxy-" : "",
+                   authorization);
+  free(authorization);
+  if(!*userp) {
+    result = CURLE_OUT_OF_MEMORY;
+    goto fail;
+  }
+
+  fail:
+  free(out);
+  return result;
+}
+
+/*
+ * http_output_bearer() sets up an Authorization: header
+ * for HTTP Bearer authentication.
+ *
+ * Returns CURLcode.
+ */
+static CURLcode http_output_bearer(struct connectdata *conn)
+{
+  char **userp;
+  CURLcode result = CURLE_OK;
+
+  userp = &conn->allocptr.userpwd;
+  free(*userp);
+  *userp = aprintf("Authorization: Bearer %s\r\n",
+                   conn->oauth_bearer);
+
+  if(!*userp) {
+    result = CURLE_OUT_OF_MEMORY;
+    goto fail;
+  }
+
+  fail:
+  return result;
+}
+
+/* pickoneauth() selects the most favourable authentication method from the
+ * ones available and the ones we want.
+ *
+ * return TRUE if one was picked
+ */
+static bool pickoneauth(struct auth *pick, unsigned long mask)
+{
+  bool picked;
+  /* only deal with authentication we want */
+  unsigned long avail = pick->avail & pick->want & mask;
+  picked = TRUE;
+
+  /* The order of these checks is highly relevant, as this will be the order
+     of preference in case of the existence of multiple accepted types. */
+  if(avail & CURLAUTH_NEGOTIATE)
+    pick->picked = CURLAUTH_NEGOTIATE;
+  else if(avail & CURLAUTH_BEARER)
+    pick->picked = CURLAUTH_BEARER;
+  else if(avail & CURLAUTH_DIGEST)
+    pick->picked = CURLAUTH_DIGEST;
+  else if(avail & CURLAUTH_NTLM)
+    pick->picked = CURLAUTH_NTLM;
+  else if(avail & CURLAUTH_NTLM_WB)
+    pick->picked = CURLAUTH_NTLM_WB;
+  else if(avail & CURLAUTH_BASIC)
+    pick->picked = CURLAUTH_BASIC;
+  else {
+    pick->picked = CURLAUTH_PICKNONE; /* we select to use nothing */
+    picked = FALSE;
+  }
+  pick->avail = CURLAUTH_NONE; /* clear it here */
+
+  return picked;
+}
+
+/*
+ * Curl_http_perhapsrewind()
+ *
+ * If we are doing POST or PUT {
+ *   If we have more data to send {
+ *     If we are doing NTLM {
+ *       Keep sending since we must not disconnect
+ *     }
+ *     else {
+ *       If there is more than just a little data left to send, close
+ *       the current connection by force.
+ *     }
+ *   }
+ *   If we have sent any data {
+ *     If we don't have track of all the data {
+ *       call app to tell it to rewind
+ *     }
+ *     else {
+ *       rewind internally so that the operation can restart fine
+ *     }
+ *   }
+ * }
+ */
+static CURLcode http_perhapsrewind(struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+  struct HTTP *http = data->req.protop;
+  curl_off_t bytessent;
+  curl_off_t expectsend = -1; /* default is unknown */
+
+  if(!http)
+    /* If this is still NULL, we have not reach very far and we can safely
+       skip this rewinding stuff */
+    return CURLE_OK;
+
+  switch(data->set.httpreq) {
+  case HTTPREQ_GET:
+  case HTTPREQ_HEAD:
+    return CURLE_OK;
+  default:
+    break;
+  }
+
+  bytessent = http->writebytecount;
+
+  if(conn->bits.authneg) {
+    /* This is a state where we are known to be negotiating and we don't send
+       any data then. */
+    expectsend = 0;
+  }
+  else if(!conn->bits.protoconnstart) {
+    /* HTTP CONNECT in progress: there is no body */
+    expectsend = 0;
+  }
+  else {
+    /* figure out how much data we are expected to send */
+    switch(data->set.httpreq) {
+    case HTTPREQ_POST:
+      if(data->state.infilesize != -1)
+        expectsend = data->state.infilesize;
+      break;
+    case HTTPREQ_PUT:
+      if(data->state.infilesize != -1)
+        expectsend = data->state.infilesize;
+      break;
+    case HTTPREQ_POST_FORM:
+    case HTTPREQ_POST_MIME:
+      expectsend = http->postsize;
+      break;
+    default:
+      break;
+    }
+  }
+
+  conn->bits.rewindaftersend = FALSE; /* default */
+
+  if((expectsend == -1) || (expectsend > bytessent)) {
+#if defined(USE_NTLM)
+    /* There is still data left to send */
+    if((data->state.authproxy.picked == CURLAUTH_NTLM) ||
+       (data->state.authhost.picked == CURLAUTH_NTLM) ||
+       (data->state.authproxy.picked == CURLAUTH_NTLM_WB) ||
+       (data->state.authhost.picked == CURLAUTH_NTLM_WB)) {
+      if(((expectsend - bytessent) < 2000) ||
+         (conn->ntlm.state != NTLMSTATE_NONE) ||
+         (conn->proxyntlm.state != NTLMSTATE_NONE)) {
+        /* The NTLM-negotiation has started *OR* there is just a little (<2K)
+           data left to send, keep on sending. */
+
+        /* rewind data when completely done sending! */
+        if(!conn->bits.authneg && (conn->writesockfd != CURL_SOCKET_BAD)) {
+          conn->bits.rewindaftersend = TRUE;
+          infof(data, "Rewind stream after send\n");
+        }
+
+        return CURLE_OK;
+      }
+
+      if(conn->bits.close)
+        /* this is already marked to get closed */
+        return CURLE_OK;
+
+      infof(data, "NTLM send, close instead of sending %"
+            CURL_FORMAT_CURL_OFF_T " bytes\n",
+            (curl_off_t)(expectsend - bytessent));
+    }
+#endif
+
+    /* This is not NTLM or many bytes left to send: close */
+    streamclose(conn, "Mid-auth HTTP and much data left to send");
+    data->req.size = 0; /* don't download any more than 0 bytes */
+
+    /* There still is data left to send, but this connection is marked for
+       closure so we can safely do the rewind right now */
+  }
+
+  if(bytessent)
+    /* we rewind now at once since if we already sent something */
+    return Curl_readrewind(conn);
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_http_auth_act() gets called when all HTTP headers have been received
+ * and it checks what authentication methods that are available and decides
+ * which one (if any) to use. It will set 'newurl' if an auth method was
+ * picked.
+ */
+
+CURLcode Curl_http_auth_act(struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+  bool pickhost = FALSE;
+  bool pickproxy = FALSE;
+  CURLcode result = CURLE_OK;
+  unsigned long authmask = ~0ul;
+
+  if(!conn->oauth_bearer)
+    authmask &= (unsigned long)~CURLAUTH_BEARER;
+
+  if(100 <= data->req.httpcode && 199 >= data->req.httpcode)
+    /* this is a transient response code, ignore */
+    return CURLE_OK;
+
+  if(data->state.authproblem)
+    return data->set.http_fail_on_error?CURLE_HTTP_RETURNED_ERROR:CURLE_OK;
+
+  if((conn->bits.user_passwd || conn->oauth_bearer) &&
+     ((data->req.httpcode == 401) ||
+      (conn->bits.authneg && data->req.httpcode < 300))) {
+    pickhost = pickoneauth(&data->state.authhost, authmask);
+    if(!pickhost)
+      data->state.authproblem = TRUE;
+    if(data->state.authhost.picked == CURLAUTH_NTLM &&
+       conn->httpversion > 11) {
+      infof(data, "Forcing HTTP/1.1 for NTLM");
+      connclose(conn, "Force HTTP/1.1 connection");
+      conn->data->set.httpversion = CURL_HTTP_VERSION_1_1;
+    }
+  }
+  if(conn->bits.proxy_user_passwd &&
+     ((data->req.httpcode == 407) ||
+      (conn->bits.authneg && data->req.httpcode < 300))) {
+    pickproxy = pickoneauth(&data->state.authproxy,
+                            authmask & ~CURLAUTH_BEARER);
+    if(!pickproxy)
+      data->state.authproblem = TRUE;
+  }
+
+  if(pickhost || pickproxy) {
+    if((data->set.httpreq != HTTPREQ_GET) &&
+       (data->set.httpreq != HTTPREQ_HEAD) &&
+       !conn->bits.rewindaftersend) {
+      result = http_perhapsrewind(conn);
+      if(result)
+        return result;
+    }
+    /* In case this is GSS auth, the newurl field is already allocated so
+       we must make sure to free it before allocating a new one. As figured
+       out in bug #2284386 */
+    Curl_safefree(data->req.newurl);
+    data->req.newurl = strdup(data->change.url); /* clone URL */
+    if(!data->req.newurl)
+      return CURLE_OUT_OF_MEMORY;
+  }
+  else if((data->req.httpcode < 300) &&
+          (!data->state.authhost.done) &&
+          conn->bits.authneg) {
+    /* no (known) authentication available,
+       authentication is not "done" yet and
+       no authentication seems to be required and
+       we didn't try HEAD or GET */
+    if((data->set.httpreq != HTTPREQ_GET) &&
+       (data->set.httpreq != HTTPREQ_HEAD)) {
+      data->req.newurl = strdup(data->change.url); /* clone URL */
+      if(!data->req.newurl)
+        return CURLE_OUT_OF_MEMORY;
+      data->state.authhost.done = TRUE;
+    }
+  }
+  if(http_should_fail(conn)) {
+    failf(data, "The requested URL returned error: %d",
+          data->req.httpcode);
+    result = CURLE_HTTP_RETURNED_ERROR;
+  }
+
+  return result;
+}
+
+/*
+ * Output the correct authentication header depending on the auth type
+ * and whether or not it is to a proxy.
+ */
+static CURLcode
+output_auth_headers(struct connectdata *conn,
+                    struct auth *authstatus,
+                    const char *request,
+                    const char *path,
+                    bool proxy)
+{
+  const char *auth = NULL;
+  CURLcode result = CURLE_OK;
+#if !defined(CURL_DISABLE_VERBOSE_STRINGS) || defined(USE_SPNEGO)
+  struct Curl_easy *data = conn->data;
+#endif
+#ifdef USE_SPNEGO
+  struct negotiatedata *negdata = proxy ?
+    &data->state.proxyneg : &data->state.negotiate;
+#endif
+
+#ifdef CURL_DISABLE_CRYPTO_AUTH
+  (void)request;
+  (void)path;
+#endif
+
+#ifdef USE_SPNEGO
+  negdata->state = GSS_AUTHNONE;
+  if((authstatus->picked == CURLAUTH_NEGOTIATE) &&
+     negdata->context && !GSS_ERROR(negdata->status)) {
+    auth = "Negotiate";
+    result = Curl_output_negotiate(conn, proxy);
+    if(result)
+      return result;
+    authstatus->done = TRUE;
+    negdata->state = GSS_AUTHSENT;
+  }
+  else
+#endif
+#ifdef USE_NTLM
+  if(authstatus->picked == CURLAUTH_NTLM) {
+    auth = "NTLM";
+    result = Curl_output_ntlm(conn, proxy);
+    if(result)
+      return result;
+  }
+  else
+#endif
+#if defined(USE_NTLM) && defined(NTLM_WB_ENABLED)
+  if(authstatus->picked == CURLAUTH_NTLM_WB) {
+    auth = "NTLM_WB";
+    result = Curl_output_ntlm_wb(conn, proxy);
+    if(result)
+      return result;
+  }
+  else
+#endif
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+  if(authstatus->picked == CURLAUTH_DIGEST) {
+    auth = "Digest";
+    result = Curl_output_digest(conn,
+                                proxy,
+                                (const unsigned char *)request,
+                                (const unsigned char *)path);
+    if(result)
+      return result;
+  }
+  else
+#endif
+  if(authstatus->picked == CURLAUTH_BASIC) {
+    /* Basic */
+    if((proxy && conn->bits.proxy_user_passwd &&
+        !Curl_checkProxyheaders(conn, "Proxy-authorization")) ||
+       (!proxy && conn->bits.user_passwd &&
+        !Curl_checkheaders(conn, "Authorization"))) {
+      auth = "Basic";
+      result = http_output_basic(conn, proxy);
+      if(result)
+        return result;
+    }
+
+    /* NOTE: this function should set 'done' TRUE, as the other auth
+       functions work that way */
+    authstatus->done = TRUE;
+  }
+  if(authstatus->picked == CURLAUTH_BEARER) {
+    /* Bearer */
+    if((!proxy && conn->oauth_bearer &&
+        !Curl_checkheaders(conn, "Authorization:"))) {
+      auth = "Bearer";
+      result = http_output_bearer(conn);
+      if(result)
+        return result;
+    }
+
+    /* NOTE: this function should set 'done' TRUE, as the other auth
+       functions work that way */
+    authstatus->done = TRUE;
+  }
+
+  if(auth) {
+    infof(data, "%s auth using %s with user '%s'\n",
+          proxy ? "Proxy" : "Server", auth,
+          proxy ? (conn->http_proxy.user ? conn->http_proxy.user : "") :
+                  (conn->user ? conn->user : ""));
+    authstatus->multipass = (!authstatus->done) ? TRUE : FALSE;
+  }
+  else
+    authstatus->multipass = FALSE;
+
+  return CURLE_OK;
+}
+
+/**
+ * Curl_http_output_auth() setups the authentication headers for the
+ * host/proxy and the correct authentication
+ * method. conn->data->state.authdone is set to TRUE when authentication is
+ * done.
+ *
+ * @param conn all information about the current connection
+ * @param request pointer to the request keyword
+ * @param path pointer to the requested path; should include query part
+ * @param proxytunnel boolean if this is the request setting up a "proxy
+ * tunnel"
+ *
+ * @returns CURLcode
+ */
+CURLcode
+Curl_http_output_auth(struct connectdata *conn,
+                      const char *request,
+                      const char *path,
+                      bool proxytunnel) /* TRUE if this is the request setting
+                                           up the proxy tunnel */
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct auth *authhost;
+  struct auth *authproxy;
+
+  DEBUGASSERT(data);
+
+  authhost = &data->state.authhost;
+  authproxy = &data->state.authproxy;
+
+  if((conn->bits.httpproxy && conn->bits.proxy_user_passwd) ||
+     conn->bits.user_passwd || conn->oauth_bearer)
+    /* continue please */;
+  else {
+    authhost->done = TRUE;
+    authproxy->done = TRUE;
+    return CURLE_OK; /* no authentication with no user or password */
+  }
+
+  if(authhost->want && !authhost->picked)
+    /* The app has selected one or more methods, but none has been picked
+       so far by a server round-trip. Then we set the picked one to the
+       want one, and if this is one single bit it'll be used instantly. */
+    authhost->picked = authhost->want;
+
+  if(authproxy->want && !authproxy->picked)
+    /* The app has selected one or more methods, but none has been picked so
+       far by a proxy round-trip. Then we set the picked one to the want one,
+       and if this is one single bit it'll be used instantly. */
+    authproxy->picked = authproxy->want;
+
+#ifndef CURL_DISABLE_PROXY
+  /* Send proxy authentication header if needed */
+  if(conn->bits.httpproxy &&
+      (conn->bits.tunnel_proxy == proxytunnel)) {
+    result = output_auth_headers(conn, authproxy, request, path, TRUE);
+    if(result)
+      return result;
+  }
+  else
+#else
+  (void)proxytunnel;
+#endif /* CURL_DISABLE_PROXY */
+    /* we have no proxy so let's pretend we're done authenticating
+       with it */
+    authproxy->done = TRUE;
+
+  /* To prevent the user+password to get sent to other than the original
+     host due to a location-follow, we do some weirdo checks here */
+  if(!data->state.this_is_a_follow ||
+     conn->bits.netrc ||
+     !data->state.first_host ||
+     data->set.allow_auth_to_other_hosts ||
+     strcasecompare(data->state.first_host, conn->host.name)) {
+    result = output_auth_headers(conn, authhost, request, path, FALSE);
+  }
+  else
+    authhost->done = TRUE;
+
+  return result;
+}
+
+/*
+ * Curl_http_input_auth() deals with Proxy-Authenticate: and WWW-Authenticate:
+ * headers. They are dealt with both in the transfer.c main loop and in the
+ * proxy CONNECT loop.
+ */
+
+CURLcode Curl_http_input_auth(struct connectdata *conn, bool proxy,
+                              const char *auth) /* the first non-space */
+{
+  /*
+   * This resource requires authentication
+   */
+  struct Curl_easy *data = conn->data;
+
+#ifdef USE_SPNEGO
+  struct negotiatedata *negdata = proxy?
+    &data->state.proxyneg:&data->state.negotiate;
+#endif
+  unsigned long *availp;
+  struct auth *authp;
+
+  if(proxy) {
+    availp = &data->info.proxyauthavail;
+    authp = &data->state.authproxy;
+  }
+  else {
+    availp = &data->info.httpauthavail;
+    authp = &data->state.authhost;
+  }
+
+  /*
+   * Here we check if we want the specific single authentication (using ==) and
+   * if we do, we initiate usage of it.
+   *
+   * If the provided authentication is wanted as one out of several accepted
+   * types (using &), we OR this authentication type to the authavail
+   * variable.
+   *
+   * Note:
+   *
+   * ->picked is first set to the 'want' value (one or more bits) before the
+   * request is sent, and then it is again set _after_ all response 401/407
+   * headers have been received but then only to a single preferred method
+   * (bit).
+   */
+
+  while(*auth) {
+#ifdef USE_SPNEGO
+    if(checkprefix("Negotiate", auth)) {
+      if((authp->avail & CURLAUTH_NEGOTIATE) ||
+         Curl_auth_is_spnego_supported()) {
+        *availp |= CURLAUTH_NEGOTIATE;
+        authp->avail |= CURLAUTH_NEGOTIATE;
+
+        if(authp->picked == CURLAUTH_NEGOTIATE) {
+          if(negdata->state == GSS_AUTHSENT ||
+             negdata->state == GSS_AUTHNONE) {
+            CURLcode result = Curl_input_negotiate(conn, proxy, auth);
+            if(!result) {
+              DEBUGASSERT(!data->req.newurl);
+              data->req.newurl = strdup(data->change.url);
+              if(!data->req.newurl)
+                return CURLE_OUT_OF_MEMORY;
+              data->state.authproblem = FALSE;
+              /* we received a GSS auth token and we dealt with it fine */
+              negdata->state = GSS_AUTHRECV;
+            }
+            else
+              data->state.authproblem = TRUE;
+          }
+        }
+      }
+    }
+    else
+#endif
+#ifdef USE_NTLM
+      /* NTLM support requires the SSL crypto libs */
+      if(checkprefix("NTLM", auth)) {
+        if((authp->avail & CURLAUTH_NTLM) ||
+           (authp->avail & CURLAUTH_NTLM_WB) ||
+           Curl_auth_is_ntlm_supported()) {
+          *availp |= CURLAUTH_NTLM;
+          authp->avail |= CURLAUTH_NTLM;
+
+          if(authp->picked == CURLAUTH_NTLM ||
+             authp->picked == CURLAUTH_NTLM_WB) {
+            /* NTLM authentication is picked and activated */
+            CURLcode result = Curl_input_ntlm(conn, proxy, auth);
+            if(!result) {
+              data->state.authproblem = FALSE;
+#ifdef NTLM_WB_ENABLED
+              if(authp->picked == CURLAUTH_NTLM_WB) {
+                *availp &= ~CURLAUTH_NTLM;
+                authp->avail &= ~CURLAUTH_NTLM;
+                *availp |= CURLAUTH_NTLM_WB;
+                authp->avail |= CURLAUTH_NTLM_WB;
+
+                /* Get the challenge-message which will be passed to
+                 * ntlm_auth for generating the type 3 message later */
+                while(*auth && ISSPACE(*auth))
+                  auth++;
+                if(checkprefix("NTLM", auth)) {
+                  auth += strlen("NTLM");
+                  while(*auth && ISSPACE(*auth))
+                    auth++;
+                  if(*auth) {
+                    conn->challenge_header = strdup(auth);
+                    if(!conn->challenge_header)
+                      return CURLE_OUT_OF_MEMORY;
+                  }
+                }
+              }
+#endif
+            }
+            else {
+              infof(data, "Authentication problem. Ignoring this.\n");
+              data->state.authproblem = TRUE;
+            }
+          }
+        }
+      }
+      else
+#endif
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+        if(checkprefix("Digest", auth)) {
+          if((authp->avail & CURLAUTH_DIGEST) != 0)
+            infof(data, "Ignoring duplicate digest auth header.\n");
+          else if(Curl_auth_is_digest_supported()) {
+            CURLcode result;
+
+            *availp |= CURLAUTH_DIGEST;
+            authp->avail |= CURLAUTH_DIGEST;
+
+            /* We call this function on input Digest headers even if Digest
+             * authentication isn't activated yet, as we need to store the
+             * incoming data from this header in case we are going to use
+             * Digest */
+            result = Curl_input_digest(conn, proxy, auth);
+            if(result) {
+              infof(data, "Authentication problem. Ignoring this.\n");
+              data->state.authproblem = TRUE;
+            }
+          }
+        }
+        else
+#endif
+          if(checkprefix("Basic", auth)) {
+            *availp |= CURLAUTH_BASIC;
+            authp->avail |= CURLAUTH_BASIC;
+            if(authp->picked == CURLAUTH_BASIC) {
+              /* We asked for Basic authentication but got a 40X back
+                 anyway, which basically means our name+password isn't
+                 valid. */
+              authp->avail = CURLAUTH_NONE;
+              infof(data, "Authentication problem. Ignoring this.\n");
+              data->state.authproblem = TRUE;
+            }
+          }
+          else
+            if(checkprefix("Bearer", auth)) {
+              *availp |= CURLAUTH_BEARER;
+              authp->avail |= CURLAUTH_BEARER;
+              if(authp->picked == CURLAUTH_BEARER) {
+                /* We asked for Bearer authentication but got a 40X back
+                  anyway, which basically means our token isn't valid. */
+                authp->avail = CURLAUTH_NONE;
+                infof(data, "Authentication problem. Ignoring this.\n");
+                data->state.authproblem = TRUE;
+              }
+            }
+
+    /* there may be multiple methods on one line, so keep reading */
+    while(*auth && *auth != ',') /* read up to the next comma */
+      auth++;
+    if(*auth == ',') /* if we're on a comma, skip it */
+      auth++;
+    while(*auth && ISSPACE(*auth))
+      auth++;
+  }
+
+  return CURLE_OK;
+}
+
+/**
+ * http_should_fail() determines whether an HTTP response has gotten us
+ * into an error state or not.
+ *
+ * @param conn all information about the current connection
+ *
+ * @retval 0 communications should continue
+ *
+ * @retval 1 communications should not continue
+ */
+static int http_should_fail(struct connectdata *conn)
+{
+  struct Curl_easy *data;
+  int httpcode;
+
+  DEBUGASSERT(conn);
+  data = conn->data;
+  DEBUGASSERT(data);
+
+  httpcode = data->req.httpcode;
+
+  /*
+  ** If we haven't been asked to fail on error,
+  ** don't fail.
+  */
+  if(!data->set.http_fail_on_error)
+    return 0;
+
+  /*
+  ** Any code < 400 is never terminal.
+  */
+  if(httpcode < 400)
+    return 0;
+
+  /*
+  ** Any code >= 400 that's not 401 or 407 is always
+  ** a terminal error
+  */
+  if((httpcode != 401) && (httpcode != 407))
+    return 1;
+
+  /*
+  ** All we have left to deal with is 401 and 407
+  */
+  DEBUGASSERT((httpcode == 401) || (httpcode == 407));
+
+  /*
+  ** Examine the current authentication state to see if this
+  ** is an error.  The idea is for this function to get
+  ** called after processing all the headers in a response
+  ** message.  So, if we've been to asked to authenticate a
+  ** particular stage, and we've done it, we're OK.  But, if
+  ** we're already completely authenticated, it's not OK to
+  ** get another 401 or 407.
+  **
+  ** It is possible for authentication to go stale such that
+  ** the client needs to reauthenticate.  Once that info is
+  ** available, use it here.
+  */
+
+  /*
+  ** Either we're not authenticating, or we're supposed to
+  ** be authenticating something else.  This is an error.
+  */
+  if((httpcode == 401) && !conn->bits.user_passwd)
+    return TRUE;
+  if((httpcode == 407) && !conn->bits.proxy_user_passwd)
+    return TRUE;
+
+  return data->state.authproblem;
+}
+
+/*
+ * readmoredata() is a "fread() emulation" to provide POST and/or request
+ * data. It is used when a huge POST is to be made and the entire chunk wasn't
+ * sent in the first send(). This function will then be called from the
+ * transfer.c loop when more data is to be sent to the peer.
+ *
+ * Returns the amount of bytes it filled the buffer with.
+ */
+static size_t readmoredata(char *buffer,
+                           size_t size,
+                           size_t nitems,
+                           void *userp)
+{
+  struct connectdata *conn = (struct connectdata *)userp;
+  struct HTTP *http = conn->data->req.protop;
+  size_t fullsize = size * nitems;
+
+  if(!http->postsize)
+    /* nothing to return */
+    return 0;
+
+  /* make sure that a HTTP request is never sent away chunked! */
+  conn->data->req.forbidchunk = (http->sending == HTTPSEND_REQUEST)?TRUE:FALSE;
+
+  if(http->postsize <= (curl_off_t)fullsize) {
+    memcpy(buffer, http->postdata, (size_t)http->postsize);
+    fullsize = (size_t)http->postsize;
+
+    if(http->backup.postsize) {
+      /* move backup data into focus and continue on that */
+      http->postdata = http->backup.postdata;
+      http->postsize = http->backup.postsize;
+      conn->data->state.fread_func = http->backup.fread_func;
+      conn->data->state.in = http->backup.fread_in;
+
+      http->sending++; /* move one step up */
+
+      http->backup.postsize = 0;
+    }
+    else
+      http->postsize = 0;
+
+    return fullsize;
+  }
+
+  memcpy(buffer, http->postdata, fullsize);
+  http->postdata += fullsize;
+  http->postsize -= fullsize;
+
+  return fullsize;
+}
+
+/* ------------------------------------------------------------------------- */
+/* add_buffer functions */
+
+/*
+ * Curl_add_buffer_init() sets up and returns a fine buffer struct
+ */
+Curl_send_buffer *Curl_add_buffer_init(void)
+{
+  return calloc(1, sizeof(Curl_send_buffer));
+}
+
+/*
+ * Curl_add_buffer_free() frees all associated resources.
+ */
+void Curl_add_buffer_free(Curl_send_buffer **inp)
+{
+  Curl_send_buffer *in = *inp;
+  if(in) /* deal with NULL input */
+    free(in->buffer);
+  free(in);
+  *inp = NULL;
+}
+
+/*
+ * Curl_add_buffer_send() sends a header buffer and frees all associated
+ * memory.  Body data may be appended to the header data if desired.
+ *
+ * Returns CURLcode
+ */
+CURLcode Curl_add_buffer_send(Curl_send_buffer **inp,
+                              struct connectdata *conn,
+
+                               /* add the number of sent bytes to this
+                                  counter */
+                              long *bytes_written,
+
+                               /* how much of the buffer contains body data */
+                              size_t included_body_bytes,
+                              int socketindex)
+
+{
+  ssize_t amount;
+  CURLcode result;
+  char *ptr;
+  size_t size;
+  struct Curl_easy *data = conn->data;
+  struct HTTP *http = data->req.protop;
+  size_t sendsize;
+  curl_socket_t sockfd;
+  size_t headersize;
+  Curl_send_buffer *in = *inp;
+
+  DEBUGASSERT(socketindex <= SECONDARYSOCKET);
+
+  sockfd = conn->sock[socketindex];
+
+  /* The looping below is required since we use non-blocking sockets, but due
+     to the circumstances we will just loop and try again and again etc */
+
+  ptr = in->buffer;
+  size = in->size_used;
+
+  headersize = size - included_body_bytes; /* the initial part that isn't body
+                                              is header */
+
+  DEBUGASSERT(size > included_body_bytes);
+
+  result = Curl_convert_to_network(data, ptr, headersize);
+  /* Curl_convert_to_network calls failf if unsuccessful */
+  if(result) {
+    /* conversion failed, free memory and return to the caller */
+    Curl_add_buffer_free(inp);
+    return result;
+  }
+
+  if((conn->handler->flags & PROTOPT_SSL ||
+     conn->http_proxy.proxytype == CURLPROXY_HTTPS)
+     && conn->httpversion != 20) {
+    /* We never send more than CURL_MAX_WRITE_SIZE bytes in one single chunk
+       when we speak HTTPS, as if only a fraction of it is sent now, this data
+       needs to fit into the normal read-callback buffer later on and that
+       buffer is using this size.
+    */
+
+    sendsize = CURLMIN(size, CURL_MAX_WRITE_SIZE);
+
+    /* OpenSSL is very picky and we must send the SAME buffer pointer to the
+       library when we attempt to re-send this buffer. Sending the same data
+       is not enough, we must use the exact same address. For this reason, we
+       must copy the data to the uploadbuffer first, since that is the buffer
+       we will be using if this send is retried later.
+    */
+    result = Curl_get_upload_buffer(data);
+    if(result) {
+      /* malloc failed, free memory and return to the caller */
+      Curl_add_buffer_free(&in);
+      return result;
+    }
+    memcpy(data->state.ulbuf, ptr, sendsize);
+    ptr = data->state.ulbuf;
+  }
+  else
+    sendsize = size;
+
+  result = Curl_write(conn, sockfd, ptr, sendsize, &amount);
+
+  if(!result) {
+    /*
+     * Note that we may not send the entire chunk at once, and we have a set
+     * number of data bytes at the end of the big buffer (out of which we may
+     * only send away a part).
+     */
+    /* how much of the header that was sent */
+    size_t headlen = (size_t)amount>headersize ? headersize : (size_t)amount;
+    size_t bodylen = amount - headlen;
+
+    if(data->set.verbose) {
+      /* this data _may_ contain binary stuff */
+      Curl_debug(data, CURLINFO_HEADER_OUT, ptr, headlen);
+      if(bodylen) {
+        /* there was body data sent beyond the initial header part, pass that
+           on to the debug callback too */
+        Curl_debug(data, CURLINFO_DATA_OUT,
+                   ptr + headlen, bodylen);
+      }
+    }
+
+    /* 'amount' can never be a very large value here so typecasting it so a
+       signed 31 bit value should not cause problems even if ssize_t is
+       64bit */
+    *bytes_written += (long)amount;
+
+    if(http) {
+      /* if we sent a piece of the body here, up the byte counter for it
+         accordingly */
+      http->writebytecount += bodylen;
+
+      if((size_t)amount != size) {
+        /* The whole request could not be sent in one system call. We must
+           queue it up and send it later when we get the chance. We must not
+           loop here and wait until it might work again. */
+
+        size -= amount;
+
+        ptr = in->buffer + amount;
+
+        /* backup the currently set pointers */
+        http->backup.fread_func = data->state.fread_func;
+        http->backup.fread_in = data->state.in;
+        http->backup.postdata = http->postdata;
+        http->backup.postsize = http->postsize;
+
+        /* set the new pointers for the request-sending */
+        data->state.fread_func = (curl_read_callback)readmoredata;
+        data->state.in = (void *)conn;
+        http->postdata = ptr;
+        http->postsize = (curl_off_t)size;
+
+        http->send_buffer = in;
+        http->sending = HTTPSEND_REQUEST;
+
+        return CURLE_OK;
+      }
+      http->sending = HTTPSEND_BODY;
+      /* the full buffer was sent, clean up and return */
+    }
+    else {
+      if((size_t)amount != size)
+        /* We have no continue-send mechanism now, fail. This can only happen
+           when this function is used from the CONNECT sending function. We
+           currently (stupidly) assume that the whole request is always sent
+           away in the first single chunk.
+
+           This needs FIXing.
+        */
+        return CURLE_SEND_ERROR;
+      Curl_pipeline_leave_write(conn);
+    }
+  }
+  Curl_add_buffer_free(&in);
+
+  return result;
+}
+
+
+/*
+ * add_bufferf() add the formatted input to the buffer.
+ */
+CURLcode Curl_add_bufferf(Curl_send_buffer **inp, const char *fmt, ...)
+{
+  char *s;
+  va_list ap;
+  Curl_send_buffer *in = *inp;
+  va_start(ap, fmt);
+  s = vaprintf(fmt, ap); /* this allocs a new string to append */
+  va_end(ap);
+
+  if(s) {
+    CURLcode result = Curl_add_buffer(inp, s, strlen(s));
+    free(s);
+    return result;
+  }
+  /* If we failed, we cleanup the whole buffer and return error */
+  free(in->buffer);
+  free(in);
+  *inp = NULL;
+  return CURLE_OUT_OF_MEMORY;
+}
+
+/*
+ * Curl_add_buffer() appends a memory chunk to the existing buffer
+ */
+CURLcode Curl_add_buffer(Curl_send_buffer **inp, const void *inptr,
+                         size_t size)
+{
+  char *new_rb;
+  Curl_send_buffer *in = *inp;
+
+  if(~size < in->size_used) {
+    /* If resulting used size of send buffer would wrap size_t, cleanup
+       the whole buffer and return error. Otherwise the required buffer
+       size will fit into a single allocatable memory chunk */
+    Curl_safefree(in->buffer);
+    free(in);
+    *inp = NULL;
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  if(!in->buffer ||
+     ((in->size_used + size) > (in->size_max - 1))) {
+    /* If current buffer size isn't enough to hold the result, use a
+       buffer size that doubles the required size. If this new size
+       would wrap size_t, then just use the largest possible one */
+    size_t new_size;
+
+    if((size > (size_t)-1 / 2) || (in->size_used > (size_t)-1 / 2) ||
+       (~(size * 2) < (in->size_used * 2)))
+      new_size = (size_t)-1;
+    else
+      new_size = (in->size_used + size) * 2;
+
+    if(in->buffer)
+      /* we have a buffer, enlarge the existing one */
+      new_rb = Curl_saferealloc(in->buffer, new_size);
+    else
+      /* create a new buffer */
+      new_rb = malloc(new_size);
+
+    if(!new_rb) {
+      /* If we failed, we cleanup the whole buffer and return error */
+      free(in);
+      *inp = NULL;
+      return CURLE_OUT_OF_MEMORY;
+    }
+
+    in->buffer = new_rb;
+    in->size_max = new_size;
+  }
+  memcpy(&in->buffer[in->size_used], inptr, size);
+
+  in->size_used += size;
+
+  return CURLE_OK;
+}
+
+/* end of the add_buffer functions */
+/* ------------------------------------------------------------------------- */
+
+
+
+/*
+ * Curl_compareheader()
+ *
+ * Returns TRUE if 'headerline' contains the 'header' with given 'content'.
+ * Pass headers WITH the colon.
+ */
+bool
+Curl_compareheader(const char *headerline, /* line to check */
+                   const char *header,  /* header keyword _with_ colon */
+                   const char *content) /* content string to find */
+{
+  /* RFC2616, section 4.2 says: "Each header field consists of a name followed
+   * by a colon (":") and the field value. Field names are case-insensitive.
+   * The field value MAY be preceded by any amount of LWS, though a single SP
+   * is preferred." */
+
+  size_t hlen = strlen(header);
+  size_t clen;
+  size_t len;
+  const char *start;
+  const char *end;
+
+  if(!strncasecompare(headerline, header, hlen))
+    return FALSE; /* doesn't start with header */
+
+  /* pass the header */
+  start = &headerline[hlen];
+
+  /* pass all white spaces */
+  while(*start && ISSPACE(*start))
+    start++;
+
+  /* find the end of the header line */
+  end = strchr(start, '\r'); /* lines end with CRLF */
+  if(!end) {
+    /* in case there's a non-standard compliant line here */
+    end = strchr(start, '\n');
+
+    if(!end)
+      /* hm, there's no line ending here, use the zero byte! */
+      end = strchr(start, '\0');
+  }
+
+  len = end-start; /* length of the content part of the input line */
+  clen = strlen(content); /* length of the word to find */
+
+  /* find the content string in the rest of the line */
+  for(; len >= clen; len--, start++) {
+    if(strncasecompare(start, content, clen))
+      return TRUE; /* match! */
+  }
+
+  return FALSE; /* no match */
+}
+
+/*
+ * Curl_http_connect() performs HTTP stuff to do at connect-time, called from
+ * the generic Curl_connect().
+ */
+CURLcode Curl_http_connect(struct connectdata *conn, bool *done)
+{
+  CURLcode result;
+
+  /* We default to persistent connections. We set this already in this connect
+     function to make the re-use checks properly be able to check this bit. */
+  connkeep(conn, "HTTP default");
+
+  /* the CONNECT procedure might not have been completed */
+  result = Curl_proxy_connect(conn, FIRSTSOCKET);
+  if(result)
+    return result;
+
+  if(conn->bits.proxy_connect_closed)
+    /* this is not an error, just part of the connection negotiation */
+    return CURLE_OK;
+
+  if(CONNECT_FIRSTSOCKET_PROXY_SSL())
+    return CURLE_OK; /* wait for HTTPS proxy SSL initialization to complete */
+
+  if(Curl_connect_ongoing(conn))
+    /* nothing else to do except wait right now - we're not done here. */
+    return CURLE_OK;
+
+  if(conn->data->set.haproxyprotocol) {
+    /* add HAProxy PROXY protocol header */
+    result = add_haproxy_protocol_header(conn);
+    if(result)
+      return result;
+  }
+
+  if(conn->given->protocol & CURLPROTO_HTTPS) {
+    /* perform SSL initialization */
+    result = https_connecting(conn, done);
+    if(result)
+      return result;
+  }
+  else
+    *done = TRUE;
+
+  return CURLE_OK;
+}
+
+/* this returns the socket to wait for in the DO and DOING state for the multi
+   interface and then we're always _sending_ a request and thus we wait for
+   the single socket to become writable only */
+static int http_getsock_do(struct connectdata *conn,
+                           curl_socket_t *socks,
+                           int numsocks)
+{
+  /* write mode */
+  (void)numsocks; /* unused, we trust it to be at least 1 */
+  socks[0] = conn->sock[FIRSTSOCKET];
+  return GETSOCK_WRITESOCK(0);
+}
+
+static CURLcode add_haproxy_protocol_header(struct connectdata *conn)
+{
+  char proxy_header[128];
+  Curl_send_buffer *req_buffer;
+  CURLcode result;
+  char tcp_version[5];
+
+  /* Emit the correct prefix for IPv6 */
+  if(conn->bits.ipv6) {
+    strcpy(tcp_version, "TCP6");
+  }
+  else {
+    strcpy(tcp_version, "TCP4");
+  }
+
+  msnprintf(proxy_header,
+            sizeof(proxy_header),
+            "PROXY %s %s %s %li %li\r\n",
+            tcp_version,
+            conn->data->info.conn_local_ip,
+            conn->data->info.conn_primary_ip,
+            conn->data->info.conn_local_port,
+            conn->data->info.conn_primary_port);
+
+  req_buffer = Curl_add_buffer_init();
+  if(!req_buffer)
+    return CURLE_OUT_OF_MEMORY;
+
+  result = Curl_add_bufferf(&req_buffer, proxy_header);
+  if(result)
+    return result;
+
+  result = Curl_add_buffer_send(&req_buffer,
+                                conn,
+                                &conn->data->info.request_size,
+                                0,
+                                FIRSTSOCKET);
+
+  return result;
+}
+
+#ifdef USE_SSL
+static CURLcode https_connecting(struct connectdata *conn, bool *done)
+{
+  CURLcode result;
+  DEBUGASSERT((conn) && (conn->handler->flags & PROTOPT_SSL));
+
+  /* perform SSL initialization for this socket */
+  result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, done);
+  if(result)
+    connclose(conn, "Failed HTTPS connection");
+
+  return result;
+}
+
+static int https_getsock(struct connectdata *conn,
+                         curl_socket_t *socks,
+                         int numsocks)
+{
+  if(conn->handler->flags & PROTOPT_SSL)
+    return Curl_ssl_getsock(conn, socks, numsocks);
+  return GETSOCK_BLANK;
+}
+#endif /* USE_SSL */
+
+/*
+ * Curl_http_done() gets called after a single HTTP request has been
+ * performed.
+ */
+
+CURLcode Curl_http_done(struct connectdata *conn,
+                        CURLcode status, bool premature)
+{
+  struct Curl_easy *data = conn->data;
+  struct HTTP *http = data->req.protop;
+
+  /* Clear multipass flag. If authentication isn't done yet, then it will get
+   * a chance to be set back to true when we output the next auth header */
+  data->state.authhost.multipass = FALSE;
+  data->state.authproxy.multipass = FALSE;
+
+  Curl_unencode_cleanup(conn);
+
+#ifdef USE_SPNEGO
+  if(data->state.proxyneg.state == GSS_AUTHSENT ||
+     data->state.negotiate.state == GSS_AUTHSENT) {
+    /* add forbid re-use if http-code != 401/407 as a WA only needed for
+     * 401/407 that signal auth failure (empty) otherwise state will be RECV
+     * with current code.
+     * Do not close CONNECT_ONLY connections. */
+    if((data->req.httpcode != 401) && (data->req.httpcode != 407) &&
+       !data->set.connect_only)
+      streamclose(conn, "Negotiate transfer completed");
+    Curl_cleanup_negotiate(data);
+  }
+#endif
+
+  /* set the proper values (possibly modified on POST) */
+  conn->seek_func = data->set.seek_func; /* restore */
+  conn->seek_client = data->set.seek_client; /* restore */
+
+  if(!http)
+    return CURLE_OK;
+
+  if(http->send_buffer) {
+    Curl_add_buffer_free(&http->send_buffer);
+  }
+
+  Curl_http2_done(conn, premature);
+
+  Curl_mime_cleanpart(&http->form);
+
+  switch(data->set.httpreq) {
+  case HTTPREQ_PUT:
+  case HTTPREQ_POST_FORM:
+  case HTTPREQ_POST_MIME:
+    data->req.bytecount = http->readbytecount + http->writebytecount;
+    break;
+  default:
+    break;
+  }
+
+  if(status)
+    return status;
+
+  if(!premature && /* this check is pointless when DONE is called before the
+                      entire operation is complete */
+     !conn->bits.retry &&
+     !data->set.connect_only &&
+     (http->readbytecount +
+      data->req.headerbytecount -
+      data->req.deductheadercount) <= 0) {
+    /* If this connection isn't simply closed to be retried, AND nothing was
+       read from the HTTP server (that counts), this can't be right so we
+       return an error here */
+    failf(data, "Empty reply from server");
+    return CURLE_GOT_NOTHING;
+  }
+
+  return CURLE_OK;
+}
+
+/*
+ * Determine if we should use HTTP 1.1 (OR BETTER) for this request. Reasons
+ * to avoid it include:
+ *
+ * - if the user specifically requested HTTP 1.0
+ * - if the server we are connected to only supports 1.0
+ * - if any server previously contacted to handle this request only supports
+ * 1.0.
+ */
+static bool use_http_1_1plus(const struct Curl_easy *data,
+                             const struct connectdata *conn)
+{
+  if((data->state.httpversion == 10) || (conn->httpversion == 10))
+    return FALSE;
+  if((data->set.httpversion == CURL_HTTP_VERSION_1_0) &&
+     (conn->httpversion <= 10))
+    return FALSE;
+  return ((data->set.httpversion == CURL_HTTP_VERSION_NONE) ||
+          (data->set.httpversion >= CURL_HTTP_VERSION_1_1));
+}
+
+static const char *get_http_string(const struct Curl_easy *data,
+                                   const struct connectdata *conn)
+{
+#ifdef USE_NGHTTP2
+  if(conn->proto.httpc.h2)
+    return "2";
+#endif
+
+  if(use_http_1_1plus(data, conn))
+    return "1.1";
+
+  return "1.0";
+}
+
+/* check and possibly add an Expect: header */
+static CURLcode expect100(struct Curl_easy *data,
+                          struct connectdata *conn,
+                          Curl_send_buffer *req_buffer)
+{
+  CURLcode result = CURLE_OK;
+  data->state.expect100header = FALSE; /* default to false unless it is set
+                                          to TRUE below */
+  if(use_http_1_1plus(data, conn) &&
+     (conn->httpversion != 20)) {
+    /* if not doing HTTP 1.0 or version 2, or disabled explicitly, we add an
+       Expect: 100-continue to the headers which actually speeds up post
+       operations (as there is one packet coming back from the web server) */
+    const char *ptr = Curl_checkheaders(conn, "Expect");
+    if(ptr) {
+      data->state.expect100header =
+        Curl_compareheader(ptr, "Expect:", "100-continue");
+    }
+    else {
+      result = Curl_add_bufferf(&req_buffer,
+                                "Expect: 100-continue\r\n");
+      if(!result)
+        data->state.expect100header = TRUE;
+    }
+  }
+
+  return result;
+}
+
+enum proxy_use {
+  HEADER_SERVER,  /* direct to server */
+  HEADER_PROXY,   /* regular request to proxy */
+  HEADER_CONNECT  /* sending CONNECT to a proxy */
+};
+
+/* used to compile the provided trailers into one buffer
+   will return an error code if one of the headers is
+   not formatted correctly */
+CURLcode Curl_http_compile_trailers(struct curl_slist *trailers,
+                                    Curl_send_buffer *buffer,
+                                    struct Curl_easy *handle)
+{
+  char *ptr = NULL;
+  CURLcode result = CURLE_OK;
+  const char *endofline_native = NULL;
+  const char *endofline_network = NULL;
+
+  /* TODO: Maybe split Curl_add_custom_headers to make it reusable here */
+
+  if(
+#ifdef CURL_DO_LINEEND_CONV
+     (handle->set.prefer_ascii) ||
+#endif
+     (handle->set.crlf)) {
+    /* \n will become \r\n later on */
+    endofline_native  = "\n";
+    endofline_network = "\x0a";
+  }
+  else {
+    endofline_native  = "\r\n";
+    endofline_network = "\x0d\x0a";
+  }
+
+  while(trailers) {
+    /* only add correctly formatted trailers */
+    ptr = strchr(trailers->data, ':');
+    if(ptr && *(ptr + 1) == ' ') {
+      result = Curl_add_bufferf(&buffer, "%s%s", trailers->data,
+                                endofline_native);
+      if(result)
+        return result;
+    }
+    else
+      infof(handle, "Malformatted trailing header ! Skipping trailer.");
+    trailers = trailers->next;
+  }
+  result = Curl_add_buffer(&buffer, endofline_network,
+                           strlen(endofline_network));
+  return result;
+}
+
+CURLcode Curl_add_custom_headers(struct connectdata *conn,
+                                 bool is_connect,
+                                 Curl_send_buffer *req_buffer)
+{
+  char *ptr;
+  struct curl_slist *h[2];
+  struct curl_slist *headers;
+  int numlists = 1; /* by default */
+  struct Curl_easy *data = conn->data;
+  int i;
+
+  enum proxy_use proxy;
+
+  if(is_connect)
+    proxy = HEADER_CONNECT;
+  else
+    proxy = conn->bits.httpproxy && !conn->bits.tunnel_proxy?
+      HEADER_PROXY:HEADER_SERVER;
+
+  switch(proxy) {
+  case HEADER_SERVER:
+    h[0] = data->set.headers;
+    break;
+  case HEADER_PROXY:
+    h[0] = data->set.headers;
+    if(data->set.sep_headers) {
+      h[1] = data->set.proxyheaders;
+      numlists++;
+    }
+    break;
+  case HEADER_CONNECT:
+    if(data->set.sep_headers)
+      h[0] = data->set.proxyheaders;
+    else
+      h[0] = data->set.headers;
+    break;
+  }
+
+  /* loop through one or two lists */
+  for(i = 0; i < numlists; i++) {
+    headers = h[i];
+
+    while(headers) {
+      char *semicolonp = NULL;
+      ptr = strchr(headers->data, ':');
+      if(!ptr) {
+        char *optr;
+        /* no colon, semicolon? */
+        ptr = strchr(headers->data, ';');
+        if(ptr) {
+          optr = ptr;
+          ptr++; /* pass the semicolon */
+          while(*ptr && ISSPACE(*ptr))
+            ptr++;
+
+          if(*ptr) {
+            /* this may be used for something else in the future */
+            optr = NULL;
+          }
+          else {
+            if(*(--ptr) == ';') {
+              /* send no-value custom header if terminated by semicolon */
+              *ptr = ':';
+              semicolonp = ptr;
+            }
+          }
+          ptr = optr;
+        }
+      }
+      if(ptr) {
+        /* we require a colon for this to be a true header */
+
+        ptr++; /* pass the colon */
+        while(*ptr && ISSPACE(*ptr))
+          ptr++;
+
+        if(*ptr || semicolonp) {
+          /* only send this if the contents was non-blank or done special */
+          CURLcode result = CURLE_OK;
+
+          if(conn->allocptr.host &&
+             /* a Host: header was sent already, don't pass on any custom Host:
+                header as that will produce *two* in the same request! */
+             checkprefix("Host:", headers->data))
+            ;
+          else if(data->set.httpreq == HTTPREQ_POST_FORM &&
+                  /* this header (extended by formdata.c) is sent later */
+                  checkprefix("Content-Type:", headers->data))
+            ;
+          else if(data->set.httpreq == HTTPREQ_POST_MIME &&
+                  /* this header is sent later */
+                  checkprefix("Content-Type:", headers->data))
+            ;
+          else if(conn->bits.authneg &&
+                  /* while doing auth neg, don't allow the custom length since
+                     we will force length zero then */
+                  checkprefix("Content-Length:", headers->data))
+            ;
+          else if(conn->allocptr.te &&
+                  /* when asking for Transfer-Encoding, don't pass on a custom
+                     Connection: */
+                  checkprefix("Connection:", headers->data))
+            ;
+          else if((conn->httpversion == 20) &&
+                  checkprefix("Transfer-Encoding:", headers->data))
+            /* HTTP/2 doesn't support chunked requests */
+            ;
+          else if((checkprefix("Authorization:", headers->data) ||
+                   checkprefix("Cookie:", headers->data)) &&
+                  /* be careful of sending this potentially sensitive header to
+                     other hosts */
+                  (data->state.this_is_a_follow &&
+                   data->state.first_host &&
+                   !data->set.allow_auth_to_other_hosts &&
+                   !strcasecompare(data->state.first_host, conn->host.name)))
+            ;
+          else {
+            result = Curl_add_bufferf(&req_buffer, "%s\r\n", headers->data);
+          }
+          if(semicolonp)
+            *semicolonp = ';'; /* put back the semicolon */
+          if(result)
+            return result;
+        }
+      }
+      headers = headers->next;
+    }
+  }
+
+  return CURLE_OK;
+}
+
+CURLcode Curl_add_timecondition(struct Curl_easy *data,
+                                Curl_send_buffer *req_buffer)
+{
+  const struct tm *tm;
+  struct tm keeptime;
+  CURLcode result;
+  char datestr[80];
+  const char *condp;
+
+  if(data->set.timecondition == CURL_TIMECOND_NONE)
+    /* no condition was asked for */
+    return CURLE_OK;
+
+  result = Curl_gmtime(data->set.timevalue, &keeptime);
+  if(result) {
+    failf(data, "Invalid TIMEVALUE");
+    return result;
+  }
+  tm = &keeptime;
+
+  switch(data->set.timecondition) {
+  default:
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+
+  case CURL_TIMECOND_IFMODSINCE:
+    condp = "If-Modified-Since";
+    break;
+  case CURL_TIMECOND_IFUNMODSINCE:
+    condp = "If-Unmodified-Since";
+    break;
+  case CURL_TIMECOND_LASTMOD:
+    condp = "Last-Modified";
+    break;
+  }
+
+  /* The If-Modified-Since header family should have their times set in
+   * GMT as RFC2616 defines: "All HTTP date/time stamps MUST be
+   * represented in Greenwich Mean Time (GMT), without exception. For the
+   * purposes of HTTP, GMT is exactly equal to UTC (Coordinated Universal
+   * Time)." (see page 20 of RFC2616).
+   */
+
+  /* format: "Tue, 15 Nov 1994 12:45:26 GMT" */
+  msnprintf(datestr, sizeof(datestr),
+            "%s: %s, %02d %s %4d %02d:%02d:%02d GMT\r\n",
+            condp,
+            Curl_wkday[tm->tm_wday?tm->tm_wday-1:6],
+            tm->tm_mday,
+            Curl_month[tm->tm_mon],
+            tm->tm_year + 1900,
+            tm->tm_hour,
+            tm->tm_min,
+            tm->tm_sec);
+
+  result = Curl_add_buffer(&req_buffer, datestr, strlen(datestr));
+
+  return result;
+}
+
+/*
+ * Curl_http() gets called from the generic multi_do() function when a HTTP
+ * request is to be performed. This creates and sends a properly constructed
+ * HTTP request.
+ */
+CURLcode Curl_http(struct connectdata *conn, bool *done)
+{
+  struct Curl_easy *data = conn->data;
+  CURLcode result = CURLE_OK;
+  struct HTTP *http;
+  const char *path = data->state.up.path;
+  const char *query = data->state.up.query;
+  bool paste_ftp_userpwd = FALSE;
+  char ftp_typecode[sizeof("/;type=?")] = "";
+  const char *host = conn->host.name;
+  const char *te = ""; /* transfer-encoding */
+  const char *ptr;
+  const char *request;
+  Curl_HttpReq httpreq = data->set.httpreq;
+#if !defined(CURL_DISABLE_COOKIES)
+  char *addcookies = NULL;
+#endif
+  curl_off_t included_body = 0;
+  const char *httpstring;
+  Curl_send_buffer *req_buffer;
+  curl_off_t postsize = 0; /* curl_off_t to handle large file sizes */
+
+  /* Always consider the DO phase done after this function call, even if there
+     may be parts of the request that is not yet sent, since we can deal with
+     the rest of the request in the PERFORM phase. */
+  *done = TRUE;
+
+  if(conn->httpversion < 20) { /* unless the connection is re-used and already
+                                  http2 */
+    switch(conn->negnpn) {
+    case CURL_HTTP_VERSION_2:
+      conn->httpversion = 20; /* we know we're on HTTP/2 now */
+
+      result = Curl_http2_switched(conn, NULL, 0);
+      if(result)
+        return result;
+      break;
+    case CURL_HTTP_VERSION_1_1:
+      /* continue with HTTP/1.1 when explicitly requested */
+      break;
+    default:
+      /* Check if user wants to use HTTP/2 with clear TCP*/
+#ifdef USE_NGHTTP2
+      if(conn->data->set.httpversion ==
+         CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE) {
+        DEBUGF(infof(data, "HTTP/2 over clean TCP\n"));
+        conn->httpversion = 20;
+
+        result = Curl_http2_switched(conn, NULL, 0);
+        if(result)
+          return result;
+      }
+#endif
+      break;
+    }
+  }
+  else {
+    /* prepare for a http2 request */
+    result = Curl_http2_setup(conn);
+    if(result)
+      return result;
+  }
+
+  http = data->req.protop;
+  DEBUGASSERT(http);
+
+  if(!data->state.this_is_a_follow) {
+    /* Free to avoid leaking memory on multiple requests*/
+    free(data->state.first_host);
+
+    data->state.first_host = strdup(conn->host.name);
+    if(!data->state.first_host)
+      return CURLE_OUT_OF_MEMORY;
+
+    data->state.first_remote_port = conn->remote_port;
+  }
+  http->writebytecount = http->readbytecount = 0;
+
+  if((conn->handler->protocol&(PROTO_FAMILY_HTTP|CURLPROTO_FTP)) &&
+     data->set.upload) {
+    httpreq = HTTPREQ_PUT;
+  }
+
+  /* Now set the 'request' pointer to the proper request string */
+  if(data->set.str[STRING_CUSTOMREQUEST])
+    request = data->set.str[STRING_CUSTOMREQUEST];
+  else {
+    if(data->set.opt_no_body)
+      request = "HEAD";
+    else {
+      DEBUGASSERT((httpreq > HTTPREQ_NONE) && (httpreq < HTTPREQ_LAST));
+      switch(httpreq) {
+      case HTTPREQ_POST:
+      case HTTPREQ_POST_FORM:
+      case HTTPREQ_POST_MIME:
+        request = "POST";
+        break;
+      case HTTPREQ_PUT:
+        request = "PUT";
+        break;
+      case HTTPREQ_OPTIONS:
+        request = "OPTIONS";
+        break;
+      default: /* this should never happen */
+      case HTTPREQ_GET:
+        request = "GET";
+        break;
+      case HTTPREQ_HEAD:
+        request = "HEAD";
+        break;
+      }
+    }
+  }
+
+  /* The User-Agent string might have been allocated in url.c already, because
+     it might have been used in the proxy connect, but if we have got a header
+     with the user-agent string specified, we erase the previously made string
+     here. */
+  if(Curl_checkheaders(conn, "User-Agent")) {
+    free(conn->allocptr.uagent);
+    conn->allocptr.uagent = NULL;
+  }
+
+  /* setup the authentication headers */
+  {
+    char *pq = NULL;
+    if(query && *query) {
+      pq = aprintf("%s?%s", path, query);
+      if(!pq)
+        return CURLE_OUT_OF_MEMORY;
+    }
+    result = Curl_http_output_auth(conn, request, (pq ? pq : path), FALSE);
+    free(pq);
+    if(result)
+      return result;
+  }
+
+  if((data->state.authhost.multipass || data->state.authproxy.multipass) &&
+     (httpreq != HTTPREQ_GET) &&
+     (httpreq != HTTPREQ_HEAD)) {
+    /* Auth is required and we are not authenticated yet. Make a PUT or POST
+       with content-length zero as a "probe". */
+    conn->bits.authneg = TRUE;
+  }
+  else
+    conn->bits.authneg = FALSE;
+
+  Curl_safefree(conn->allocptr.ref);
+  if(data->change.referer && !Curl_checkheaders(conn, "Referer")) {
+    conn->allocptr.ref = aprintf("Referer: %s\r\n", data->change.referer);
+    if(!conn->allocptr.ref)
+      return CURLE_OUT_OF_MEMORY;
+  }
+  else
+    conn->allocptr.ref = NULL;
+
+#if !defined(CURL_DISABLE_COOKIES)
+  if(data->set.str[STRING_COOKIE] && !Curl_checkheaders(conn, "Cookie"))
+    addcookies = data->set.str[STRING_COOKIE];
+#endif
+
+  if(!Curl_checkheaders(conn, "Accept-Encoding") &&
+     data->set.str[STRING_ENCODING]) {
+    Curl_safefree(conn->allocptr.accept_encoding);
+    conn->allocptr.accept_encoding =
+      aprintf("Accept-Encoding: %s\r\n", data->set.str[STRING_ENCODING]);
+    if(!conn->allocptr.accept_encoding)
+      return CURLE_OUT_OF_MEMORY;
+  }
+  else {
+    Curl_safefree(conn->allocptr.accept_encoding);
+    conn->allocptr.accept_encoding = NULL;
+  }
+
+#ifdef HAVE_LIBZ
+  /* we only consider transfer-encoding magic if libz support is built-in */
+
+  if(!Curl_checkheaders(conn, "TE") &&
+     data->set.http_transfer_encoding) {
+    /* When we are to insert a TE: header in the request, we must also insert
+       TE in a Connection: header, so we need to merge the custom provided
+       Connection: header and prevent the original to get sent. Note that if
+       the user has inserted his/hers own TE: header we don't do this magic
+       but then assume that the user will handle it all! */
+    char *cptr = Curl_checkheaders(conn, "Connection");
+#define TE_HEADER "TE: gzip\r\n"
+
+    Curl_safefree(conn->allocptr.te);
+
+    if(cptr) {
+      cptr = Curl_copy_header_value(cptr);
+      if(!cptr)
+        return CURLE_OUT_OF_MEMORY;
+    }
+
+    /* Create the (updated) Connection: header */
+    conn->allocptr.te = aprintf("Connection: %s%sTE\r\n" TE_HEADER,
+                                cptr ? cptr : "", (cptr && *cptr) ? ", ":"");
+
+    free(cptr);
+    if(!conn->allocptr.te)
+      return CURLE_OUT_OF_MEMORY;
+  }
+#endif
+
+  switch(httpreq) {
+  case HTTPREQ_POST_MIME:
+    http->sendit = &data->set.mimepost;
+    break;
+  case HTTPREQ_POST_FORM:
+    /* Convert the form structure into a mime structure. */
+    Curl_mime_cleanpart(&http->form);
+    result = Curl_getformdata(data, &http->form, data->set.httppost,
+                              data->state.fread_func);
+    if(result)
+      return result;
+    http->sendit = &http->form;
+    break;
+  default:
+    http->sendit = NULL;
+  }
+
+  if(http->sendit) {
+    const char *cthdr = Curl_checkheaders(conn, "Content-Type");
+
+    /* Read and seek body only. */
+    http->sendit->flags |= MIME_BODY_ONLY;
+
+    /* Prepare the mime structure headers & set content type. */
+
+    if(cthdr)
+      for(cthdr += 13; *cthdr == ' '; cthdr++)
+        ;
+    else if(http->sendit->kind == MIMEKIND_MULTIPART)
+      cthdr = "multipart/form-data";
+
+    curl_mime_headers(http->sendit, data->set.headers, 0);
+    result = Curl_mime_prepare_headers(http->sendit, cthdr,
+                                       NULL, MIMESTRATEGY_FORM);
+    curl_mime_headers(http->sendit, NULL, 0);
+    if(!result)
+      result = Curl_mime_rewind(http->sendit);
+    if(result)
+      return result;
+    http->postsize = Curl_mime_size(http->sendit);
+  }
+
+  ptr = Curl_checkheaders(conn, "Transfer-Encoding");
+  if(ptr) {
+    /* Some kind of TE is requested, check if 'chunked' is chosen */
+    data->req.upload_chunky =
+      Curl_compareheader(ptr, "Transfer-Encoding:", "chunked");
+  }
+  else {
+    if((conn->handler->protocol & PROTO_FAMILY_HTTP) &&
+       (((httpreq == HTTPREQ_POST_MIME || httpreq == HTTPREQ_POST_FORM) &&
+       http->postsize < 0) ||
+       (data->set.upload && data->state.infilesize == -1))) {
+      if(conn->bits.authneg)
+        /* don't enable chunked during auth neg */
+        ;
+      else if(use_http_1_1plus(data, conn)) {
+        /* HTTP, upload, unknown file size and not HTTP 1.0 */
+        data->req.upload_chunky = TRUE;
+      }
+      else {
+        failf(data, "Chunky upload is not supported by HTTP 1.0");
+        return CURLE_UPLOAD_FAILED;
+      }
+    }
+    else {
+      /* else, no chunky upload */
+      data->req.upload_chunky = FALSE;
+    }
+
+    if(data->req.upload_chunky)
+      te = "Transfer-Encoding: chunked\r\n";
+  }
+
+  Curl_safefree(conn->allocptr.host);
+
+  ptr = Curl_checkheaders(conn, "Host");
+  if(ptr && (!data->state.this_is_a_follow ||
+             strcasecompare(data->state.first_host, conn->host.name))) {
+#if !defined(CURL_DISABLE_COOKIES)
+    /* If we have a given custom Host: header, we extract the host name in
+       order to possibly use it for cookie reasons later on. We only allow the
+       custom Host: header if this is NOT a redirect, as setting Host: in the
+       redirected request is being out on thin ice. Except if the host name
+       is the same as the first one! */
+    char *cookiehost = Curl_copy_header_value(ptr);
+    if(!cookiehost)
+      return CURLE_OUT_OF_MEMORY;
+    if(!*cookiehost)
+      /* ignore empty data */
+      free(cookiehost);
+    else {
+      /* If the host begins with '[', we start searching for the port after
+         the bracket has been closed */
+      if(*cookiehost == '[') {
+        char *closingbracket;
+        /* since the 'cookiehost' is an allocated memory area that will be
+           freed later we cannot simply increment the pointer */
+        memmove(cookiehost, cookiehost + 1, strlen(cookiehost) - 1);
+        closingbracket = strchr(cookiehost, ']');
+        if(closingbracket)
+          *closingbracket = 0;
+      }
+      else {
+        int startsearch = 0;
+        char *colon = strchr(cookiehost + startsearch, ':');
+        if(colon)
+          *colon = 0; /* The host must not include an embedded port number */
+      }
+      Curl_safefree(conn->allocptr.cookiehost);
+      conn->allocptr.cookiehost = cookiehost;
+    }
+#endif
+
+    if(strcmp("Host:", ptr)) {
+      conn->allocptr.host = aprintf("Host:%s\r\n", &ptr[5]);
+      if(!conn->allocptr.host)
+        return CURLE_OUT_OF_MEMORY;
+    }
+    else
+      /* when clearing the header */
+      conn->allocptr.host = NULL;
+  }
+  else {
+    /* When building Host: headers, we must put the host name within
+       [brackets] if the host name is a plain IPv6-address. RFC2732-style. */
+
+    if(((conn->given->protocol&CURLPROTO_HTTPS) &&
+        (conn->remote_port == PORT_HTTPS)) ||
+       ((conn->given->protocol&CURLPROTO_HTTP) &&
+        (conn->remote_port == PORT_HTTP)) )
+      /* if(HTTPS on port 443) OR (HTTP on port 80) then don't include
+         the port number in the host string */
+      conn->allocptr.host = aprintf("Host: %s%s%s\r\n",
+                                    conn->bits.ipv6_ip?"[":"",
+                                    host,
+                                    conn->bits.ipv6_ip?"]":"");
+    else
+      conn->allocptr.host = aprintf("Host: %s%s%s:%d\r\n",
+                                    conn->bits.ipv6_ip?"[":"",
+                                    host,
+                                    conn->bits.ipv6_ip?"]":"",
+                                    conn->remote_port);
+
+    if(!conn->allocptr.host)
+      /* without Host: we can't make a nice request */
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+#ifndef CURL_DISABLE_PROXY
+  if(conn->bits.httpproxy && !conn->bits.tunnel_proxy) {
+    /* Using a proxy but does not tunnel through it */
+
+    /* The path sent to the proxy is in fact the entire URL. But if the remote
+       host is a IDN-name, we must make sure that the request we produce only
+       uses the encoded host name! */
+
+    /* and no fragment part */
+    CURLUcode uc;
+    char *url;
+    CURLU *h = curl_url_dup(data->state.uh);
+    if(!h)
+      return CURLE_OUT_OF_MEMORY;
+
+    if(conn->host.dispname != conn->host.name) {
+      uc = curl_url_set(h, CURLUPART_HOST, conn->host.name, 0);
+      if(uc) {
+        curl_url_cleanup(h);
+        return CURLE_OUT_OF_MEMORY;
+      }
+    }
+    uc = curl_url_set(h, CURLUPART_FRAGMENT, NULL, 0);
+    if(uc) {
+      curl_url_cleanup(h);
+      return CURLE_OUT_OF_MEMORY;
+    }
+
+    if(strcasecompare("http", data->state.up.scheme)) {
+      /* when getting HTTP, we don't want the userinfo the URL */
+      uc = curl_url_set(h, CURLUPART_USER, NULL, 0);
+      if(uc) {
+        curl_url_cleanup(h);
+        return CURLE_OUT_OF_MEMORY;
+      }
+      uc = curl_url_set(h, CURLUPART_PASSWORD, NULL, 0);
+      if(uc) {
+        curl_url_cleanup(h);
+        return CURLE_OUT_OF_MEMORY;
+      }
+    }
+    /* now extract the new version of the URL */
+    uc = curl_url_get(h, CURLUPART_URL, &url, 0);
+    if(uc) {
+      curl_url_cleanup(h);
+      return CURLE_OUT_OF_MEMORY;
+    }
+
+    if(data->change.url_alloc)
+      free(data->change.url);
+
+    data->change.url = url;
+    data->change.url_alloc = TRUE;
+
+    curl_url_cleanup(h);
+
+    if(strcasecompare("ftp", data->state.up.scheme)) {
+      if(data->set.proxy_transfer_mode) {
+        /* when doing ftp, append ;type=<a|i> if not present */
+        char *type = strstr(path, ";type=");
+        if(type && type[6] && type[7] == 0) {
+          switch(Curl_raw_toupper(type[6])) {
+          case 'A':
+          case 'D':
+          case 'I':
+            break;
+          default:
+            type = NULL;
+          }
+        }
+        if(!type) {
+          char *p = ftp_typecode;
+          /* avoid sending invalid URLs like ftp://example.com;type=i if the
+           * user specified ftp://example.com without the slash */
+          if(!*data->state.up.path && path[strlen(path) - 1] != '/') {
+            *p++ = '/';
+          }
+          msnprintf(p, sizeof(ftp_typecode) - 1, ";type=%c",
+                    data->set.prefer_ascii ? 'a' : 'i');
+        }
+      }
+      if(conn->bits.user_passwd && !conn->bits.userpwd_in_url)
+        paste_ftp_userpwd = TRUE;
+    }
+  }
+#endif /* CURL_DISABLE_PROXY */
+
+  http->p_accept = Curl_checkheaders(conn, "Accept")?NULL:"Accept: */*\r\n";
+
+  if((HTTPREQ_POST == httpreq || HTTPREQ_PUT == httpreq) &&
+     data->state.resume_from) {
+    /**********************************************************************
+     * Resuming upload in HTTP means that we PUT or POST and that we have
+     * got a resume_from value set. The resume value has already created
+     * a Range: header that will be passed along. We need to "fast forward"
+     * the file the given number of bytes and decrease the assume upload
+     * file size before we continue this venture in the dark lands of HTTP.
+     * Resuming mime/form posting at an offset > 0 has no sense and is ignored.
+     *********************************************************************/
+
+    if(data->state.resume_from < 0) {
+      /*
+       * This is meant to get the size of the present remote-file by itself.
+       * We don't support this now. Bail out!
+       */
+      data->state.resume_from = 0;
+    }
+
+    if(data->state.resume_from && !data->state.this_is_a_follow) {
+      /* do we still game? */
+
+      /* Now, let's read off the proper amount of bytes from the
+         input. */
+      int seekerr = CURL_SEEKFUNC_CANTSEEK;
+      if(conn->seek_func) {
+        Curl_set_in_callback(data, true);
+        seekerr = conn->seek_func(conn->seek_client, data->state.resume_from,
+                                  SEEK_SET);
+        Curl_set_in_callback(data, false);
+      }
+
+      if(seekerr != CURL_SEEKFUNC_OK) {
+        curl_off_t passed = 0;
+
+        if(seekerr != CURL_SEEKFUNC_CANTSEEK) {
+          failf(data, "Could not seek stream");
+          return CURLE_READ_ERROR;
+        }
+        /* when seekerr == CURL_SEEKFUNC_CANTSEEK (can't seek to offset) */
+        do {
+          size_t readthisamountnow =
+            (data->state.resume_from - passed > data->set.buffer_size) ?
+            (size_t)data->set.buffer_size :
+            curlx_sotouz(data->state.resume_from - passed);
+
+          size_t actuallyread =
+            data->state.fread_func(data->state.buffer, 1, readthisamountnow,
+                                   data->state.in);
+
+          passed += actuallyread;
+          if((actuallyread == 0) || (actuallyread > readthisamountnow)) {
+            /* this checks for greater-than only to make sure that the
+               CURL_READFUNC_ABORT return code still aborts */
+            failf(data, "Could only read %" CURL_FORMAT_CURL_OFF_T
+                  " bytes from the input", passed);
+            return CURLE_READ_ERROR;
+          }
+        } while(passed < data->state.resume_from);
+      }
+
+      /* now, decrease the size of the read */
+      if(data->state.infilesize>0) {
+        data->state.infilesize -= data->state.resume_from;
+
+        if(data->state.infilesize <= 0) {
+          failf(data, "File already completely uploaded");
+          return CURLE_PARTIAL_FILE;
+        }
+      }
+      /* we've passed, proceed as normal */
+    }
+  }
+  if(data->state.use_range) {
+    /*
+     * A range is selected. We use different headers whether we're downloading
+     * or uploading and we always let customized headers override our internal
+     * ones if any such are specified.
+     */
+    if(((httpreq == HTTPREQ_GET) || (httpreq == HTTPREQ_HEAD)) &&
+       !Curl_checkheaders(conn, "Range")) {
+      /* if a line like this was already allocated, free the previous one */
+      free(conn->allocptr.rangeline);
+      conn->allocptr.rangeline = aprintf("Range: bytes=%s\r\n",
+                                         data->state.range);
+    }
+    else if((httpreq == HTTPREQ_POST || httpreq == HTTPREQ_PUT) &&
+            !Curl_checkheaders(conn, "Content-Range")) {
+
+      /* if a line like this was already allocated, free the previous one */
+      free(conn->allocptr.rangeline);
+
+      if(data->set.set_resume_from < 0) {
+        /* Upload resume was asked for, but we don't know the size of the
+           remote part so we tell the server (and act accordingly) that we
+           upload the whole file (again) */
+        conn->allocptr.rangeline =
+          aprintf("Content-Range: bytes 0-%" CURL_FORMAT_CURL_OFF_T
+                  "/%" CURL_FORMAT_CURL_OFF_T "\r\n",
+                  data->state.infilesize - 1, data->state.infilesize);
+
+      }
+      else if(data->state.resume_from) {
+        /* This is because "resume" was selected */
+        curl_off_t total_expected_size =
+          data->state.resume_from + data->state.infilesize;
+        conn->allocptr.rangeline =
+          aprintf("Content-Range: bytes %s%" CURL_FORMAT_CURL_OFF_T
+                  "/%" CURL_FORMAT_CURL_OFF_T "\r\n",
+                  data->state.range, total_expected_size-1,
+                  total_expected_size);
+      }
+      else {
+        /* Range was selected and then we just pass the incoming range and
+           append total size */
+        conn->allocptr.rangeline =
+          aprintf("Content-Range: bytes %s/%" CURL_FORMAT_CURL_OFF_T "\r\n",
+                  data->state.range, data->state.infilesize);
+      }
+      if(!conn->allocptr.rangeline)
+        return CURLE_OUT_OF_MEMORY;
+    }
+  }
+
+  httpstring = get_http_string(data, conn);
+
+  /* initialize a dynamic send-buffer */
+  req_buffer = Curl_add_buffer_init();
+
+  if(!req_buffer)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* add the main request stuff */
+  /* GET/HEAD/POST/PUT */
+  result = Curl_add_bufferf(&req_buffer, "%s ", request);
+  if(result)
+    return result;
+
+  if(data->set.str[STRING_TARGET]) {
+    path = data->set.str[STRING_TARGET];
+    query = NULL;
+  }
+
+  /* url */
+  if(conn->bits.httpproxy && !conn->bits.tunnel_proxy) {
+    char *url = data->change.url;
+    result = Curl_add_buffer(&req_buffer, url, strlen(url));
+  }
+  else if(paste_ftp_userpwd)
+    result = Curl_add_bufferf(&req_buffer, "ftp://%s:%s@%s",
+                              conn->user, conn->passwd,
+                              path + sizeof("ftp://") - 1);
+  else {
+    result = Curl_add_buffer(&req_buffer, path, strlen(path));
+    if(result)
+      return result;
+    if(query)
+      result = Curl_add_bufferf(&req_buffer, "?%s", query);
+  }
+  if(result)
+    return result;
+
+  result =
+    Curl_add_bufferf(&req_buffer,
+                     "%s" /* ftp typecode (;type=x) */
+                     " HTTP/%s\r\n" /* HTTP version */
+                     "%s" /* host */
+                     "%s" /* proxyuserpwd */
+                     "%s" /* userpwd */
+                     "%s" /* range */
+                     "%s" /* user agent */
+                     "%s" /* accept */
+                     "%s" /* TE: */
+                     "%s" /* accept-encoding */
+                     "%s" /* referer */
+                     "%s" /* Proxy-Connection */
+                     "%s",/* transfer-encoding */
+
+                     ftp_typecode,
+                     httpstring,
+                     (conn->allocptr.host?conn->allocptr.host:""),
+                     conn->allocptr.proxyuserpwd?
+                     conn->allocptr.proxyuserpwd:"",
+                     conn->allocptr.userpwd?conn->allocptr.userpwd:"",
+                     (data->state.use_range && conn->allocptr.rangeline)?
+                     conn->allocptr.rangeline:"",
+                     (data->set.str[STRING_USERAGENT] &&
+                      *data->set.str[STRING_USERAGENT] &&
+                      conn->allocptr.uagent)?
+                     conn->allocptr.uagent:"",
+                     http->p_accept?http->p_accept:"",
+                     conn->allocptr.te?conn->allocptr.te:"",
+                     (data->set.str[STRING_ENCODING] &&
+                      *data->set.str[STRING_ENCODING] &&
+                      conn->allocptr.accept_encoding)?
+                     conn->allocptr.accept_encoding:"",
+                     (data->change.referer && conn->allocptr.ref)?
+                     conn->allocptr.ref:"" /* Referer: <data> */,
+                     (conn->bits.httpproxy &&
+                      !conn->bits.tunnel_proxy &&
+                      !Curl_checkProxyheaders(conn, "Proxy-Connection"))?
+                     "Proxy-Connection: Keep-Alive\r\n":"",
+                     te
+      );
+
+  /* clear userpwd and proxyuserpwd to avoid re-using old credentials
+   * from re-used connections */
+  Curl_safefree(conn->allocptr.userpwd);
+  Curl_safefree(conn->allocptr.proxyuserpwd);
+
+  if(result)
+    return result;
+
+  if(!(conn->handler->flags&PROTOPT_SSL) &&
+     conn->httpversion != 20 &&
+     (data->set.httpversion == CURL_HTTP_VERSION_2)) {
+    /* append HTTP2 upgrade magic stuff to the HTTP request if it isn't done
+       over SSL */
+    result = Curl_http2_request_upgrade(req_buffer, conn);
+    if(result)
+      return result;
+  }
+
+#if !defined(CURL_DISABLE_COOKIES)
+  if(data->cookies || addcookies) {
+    struct Cookie *co = NULL; /* no cookies from start */
+    int count = 0;
+
+    if(data->cookies) {
+      Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
+      co = Curl_cookie_getlist(data->cookies,
+                               conn->allocptr.cookiehost?
+                               conn->allocptr.cookiehost:host,
+                               data->state.up.path,
+                               (conn->handler->protocol&CURLPROTO_HTTPS)?
+                               TRUE:FALSE);
+      Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
+    }
+    if(co) {
+      struct Cookie *store = co;
+      /* now loop through all cookies that matched */
+      while(co) {
+        if(co->value) {
+          if(0 == count) {
+            result = Curl_add_bufferf(&req_buffer, "Cookie: ");
+            if(result)
+              break;
+          }
+          result = Curl_add_bufferf(&req_buffer,
+                                    "%s%s=%s", count?"; ":"",
+                                    co->name, co->value);
+          if(result)
+            break;
+          count++;
+        }
+        co = co->next; /* next cookie please */
+      }
+      Curl_cookie_freelist(store);
+    }
+    if(addcookies && !result) {
+      if(!count)
+        result = Curl_add_bufferf(&req_buffer, "Cookie: ");
+      if(!result) {
+        result = Curl_add_bufferf(&req_buffer, "%s%s", count?"; ":"",
+                                  addcookies);
+        count++;
+      }
+    }
+    if(count && !result)
+      result = Curl_add_buffer(&req_buffer, "\r\n", 2);
+
+    if(result)
+      return result;
+  }
+#endif
+
+  result = Curl_add_timecondition(data, req_buffer);
+  if(result)
+    return result;
+
+  result = Curl_add_custom_headers(conn, FALSE, req_buffer);
+  if(result)
+    return result;
+
+  http->postdata = NULL;  /* nothing to post at this point */
+  Curl_pgrsSetUploadSize(data, -1); /* upload size is unknown atm */
+
+  /* If 'authdone' is FALSE, we must not set the write socket index to the
+     Curl_transfer() call below, as we're not ready to actually upload any
+     data yet. */
+
+  switch(httpreq) {
+
+  case HTTPREQ_PUT: /* Let's PUT the data to the server! */
+
+    if(conn->bits.authneg)
+      postsize = 0;
+    else
+      postsize = data->state.infilesize;
+
+    if((postsize != -1) && !data->req.upload_chunky &&
+       (conn->bits.authneg || !Curl_checkheaders(conn, "Content-Length"))) {
+      /* only add Content-Length if not uploading chunked */
+      result = Curl_add_bufferf(&req_buffer,
+                                "Content-Length: %" CURL_FORMAT_CURL_OFF_T
+                                "\r\n", postsize);
+      if(result)
+        return result;
+    }
+
+    if(postsize != 0) {
+      result = expect100(data, conn, req_buffer);
+      if(result)
+        return result;
+    }
+
+    result = Curl_add_buffer(&req_buffer, "\r\n", 2); /* end of headers */
+    if(result)
+      return result;
+
+    /* set the upload size to the progress meter */
+    Curl_pgrsSetUploadSize(data, postsize);
+
+    /* this sends the buffer and frees all the buffer resources */
+    result = Curl_add_buffer_send(&req_buffer, conn,
+                                  &data->info.request_size, 0, FIRSTSOCKET);
+    if(result)
+      failf(data, "Failed sending PUT request");
+    else
+      /* prepare for transfer */
+      Curl_setup_transfer(conn, FIRSTSOCKET, -1, TRUE,
+                          &http->readbytecount, postsize?FIRSTSOCKET:-1,
+                          postsize?&http->writebytecount:NULL);
+    if(result)
+      return result;
+    break;
+
+  case HTTPREQ_POST_FORM:
+  case HTTPREQ_POST_MIME:
+    /* This is form posting using mime data. */
+    if(conn->bits.authneg) {
+      /* nothing to post! */
+      result = Curl_add_bufferf(&req_buffer, "Content-Length: 0\r\n\r\n");
+      if(result)
+        return result;
+
+      result = Curl_add_buffer_send(&req_buffer, conn,
+                                    &data->info.request_size, 0, FIRSTSOCKET);
+      if(result)
+        failf(data, "Failed sending POST request");
+      else
+        /* setup variables for the upcoming transfer */
+        Curl_setup_transfer(conn, FIRSTSOCKET, -1, TRUE, &http->readbytecount,
+                            -1, NULL);
+      break;
+    }
+
+    postsize = http->postsize;
+
+    /* We only set Content-Length and allow a custom Content-Length if
+       we don't upload data chunked, as RFC2616 forbids us to set both
+       kinds of headers (Transfer-Encoding: chunked and Content-Length) */
+    if(postsize != -1 && !data->req.upload_chunky &&
+       (conn->bits.authneg || !Curl_checkheaders(conn, "Content-Length"))) {
+      /* we allow replacing this header if not during auth negotiation,
+         although it isn't very wise to actually set your own */
+      result = Curl_add_bufferf(&req_buffer,
+                                "Content-Length: %" CURL_FORMAT_CURL_OFF_T
+                                "\r\n", postsize);
+      if(result)
+        return result;
+    }
+
+    /* Output mime-generated headers. */
+    {
+      struct curl_slist *hdr;
+
+      for(hdr = http->sendit->curlheaders; hdr; hdr = hdr->next) {
+        result = Curl_add_bufferf(&req_buffer, "%s\r\n", hdr->data);
+        if(result)
+          return result;
+      }
+    }
+
+    /* For really small posts we don't use Expect: headers at all, and for
+       the somewhat bigger ones we allow the app to disable it. Just make
+       sure that the expect100header is always set to the preferred value
+       here. */
+    ptr = Curl_checkheaders(conn, "Expect");
+    if(ptr) {
+      data->state.expect100header =
+        Curl_compareheader(ptr, "Expect:", "100-continue");
+    }
+    else if(postsize > EXPECT_100_THRESHOLD || postsize < 0) {
+      result = expect100(data, conn, req_buffer);
+      if(result)
+        return result;
+    }
+    else
+      data->state.expect100header = FALSE;
+
+    /* make the request end in a true CRLF */
+    result = Curl_add_buffer(&req_buffer, "\r\n", 2);
+    if(result)
+      return result;
+
+    /* set the upload size to the progress meter */
+    Curl_pgrsSetUploadSize(data, postsize);
+
+    /* Read from mime structure. */
+    data->state.fread_func = (curl_read_callback) Curl_mime_read;
+    data->state.in = (void *) http->sendit;
+    http->sending = HTTPSEND_BODY;
+
+    /* this sends the buffer and frees all the buffer resources */
+    result = Curl_add_buffer_send(&req_buffer, conn,
+                                  &data->info.request_size, 0, FIRSTSOCKET);
+    if(result)
+      failf(data, "Failed sending POST request");
+    else
+      /* prepare for transfer */
+      Curl_setup_transfer(conn, FIRSTSOCKET, -1, TRUE,
+                          &http->readbytecount, postsize?FIRSTSOCKET:-1,
+                          postsize?&http->writebytecount:NULL);
+    if(result)
+      return result;
+
+    break;
+
+  case HTTPREQ_POST:
+    /* this is the simple POST, using x-www-form-urlencoded style */
+
+    if(conn->bits.authneg)
+      postsize = 0;
+    else
+      /* the size of the post body */
+      postsize = data->state.infilesize;
+
+    /* We only set Content-Length and allow a custom Content-Length if
+       we don't upload data chunked, as RFC2616 forbids us to set both
+       kinds of headers (Transfer-Encoding: chunked and Content-Length) */
+    if((postsize != -1) && !data->req.upload_chunky &&
+       (conn->bits.authneg || !Curl_checkheaders(conn, "Content-Length"))) {
+      /* we allow replacing this header if not during auth negotiation,
+         although it isn't very wise to actually set your own */
+      result = Curl_add_bufferf(&req_buffer,
+                                "Content-Length: %" CURL_FORMAT_CURL_OFF_T
+                                "\r\n", postsize);
+      if(result)
+        return result;
+    }
+
+    if(!Curl_checkheaders(conn, "Content-Type")) {
+      result = Curl_add_bufferf(&req_buffer,
+                                "Content-Type: application/"
+                                "x-www-form-urlencoded\r\n");
+      if(result)
+        return result;
+    }
+
+    /* For really small posts we don't use Expect: headers at all, and for
+       the somewhat bigger ones we allow the app to disable it. Just make
+       sure that the expect100header is always set to the preferred value
+       here. */
+    ptr = Curl_checkheaders(conn, "Expect");
+    if(ptr) {
+      data->state.expect100header =
+        Curl_compareheader(ptr, "Expect:", "100-continue");
+    }
+    else if(postsize > EXPECT_100_THRESHOLD || postsize < 0) {
+      result = expect100(data, conn, req_buffer);
+      if(result)
+        return result;
+    }
+    else
+      data->state.expect100header = FALSE;
+
+    if(data->set.postfields) {
+
+      /* In HTTP2, we send request body in DATA frame regardless of
+         its size. */
+      if(conn->httpversion != 20 &&
+         !data->state.expect100header &&
+         (postsize < MAX_INITIAL_POST_SIZE)) {
+        /* if we don't use expect: 100  AND
+           postsize is less than MAX_INITIAL_POST_SIZE
+
+           then append the post data to the HTTP request header. This limit
+           is no magic limit but only set to prevent really huge POSTs to
+           get the data duplicated with malloc() and family. */
+
+        result = Curl_add_buffer(&req_buffer, "\r\n", 2); /* end of headers! */
+        if(result)
+          return result;
+
+        if(!data->req.upload_chunky) {
+          /* We're not sending it 'chunked', append it to the request
+             already now to reduce the number if send() calls */
+          result = Curl_add_buffer(&req_buffer, data->set.postfields,
+                                   (size_t)postsize);
+          included_body = postsize;
+        }
+        else {
+          if(postsize) {
+            /* Append the POST data chunky-style */
+            result = Curl_add_bufferf(&req_buffer, "%x\r\n", (int)postsize);
+            if(!result) {
+              result = Curl_add_buffer(&req_buffer, data->set.postfields,
+                                       (size_t)postsize);
+              if(!result)
+                result = Curl_add_buffer(&req_buffer, "\r\n", 2);
+              included_body = postsize + 2;
+            }
+          }
+          if(!result)
+            result = Curl_add_buffer(&req_buffer, "\x30\x0d\x0a\x0d\x0a", 5);
+          /* 0  CR  LF  CR  LF */
+          included_body += 5;
+        }
+        if(result)
+          return result;
+        /* Make sure the progress information is accurate */
+        Curl_pgrsSetUploadSize(data, postsize);
+      }
+      else {
+        /* A huge POST coming up, do data separate from the request */
+        http->postsize = postsize;
+        http->postdata = data->set.postfields;
+
+        http->sending = HTTPSEND_BODY;
+
+        data->state.fread_func = (curl_read_callback)readmoredata;
+        data->state.in = (void *)conn;
+
+        /* set the upload size to the progress meter */
+        Curl_pgrsSetUploadSize(data, http->postsize);
+
+        result = Curl_add_buffer(&req_buffer, "\r\n", 2); /* end of headers! */
+        if(result)
+          return result;
+      }
+    }
+    else {
+      result = Curl_add_buffer(&req_buffer, "\r\n", 2); /* end of headers! */
+      if(result)
+        return result;
+
+      if(data->req.upload_chunky && conn->bits.authneg) {
+        /* Chunky upload is selected and we're negotiating auth still, send
+           end-of-data only */
+        result = Curl_add_buffer(&req_buffer,
+                                 "\x30\x0d\x0a\x0d\x0a", 5);
+        /* 0  CR  LF  CR  LF */
+        if(result)
+          return result;
+      }
+
+      else if(data->state.infilesize) {
+        /* set the upload size to the progress meter */
+        Curl_pgrsSetUploadSize(data, postsize?postsize:-1);
+
+        /* set the pointer to mark that we will send the post body using the
+           read callback, but only if we're not in authenticate
+           negotiation  */
+        if(!conn->bits.authneg) {
+          http->postdata = (char *)&http->postdata;
+          http->postsize = postsize;
+        }
+      }
+    }
+    /* issue the request */
+    result = Curl_add_buffer_send(&req_buffer, conn, &data->info.request_size,
+                                  (size_t)included_body, FIRSTSOCKET);
+
+    if(result)
+      failf(data, "Failed sending HTTP POST request");
+    else
+      Curl_setup_transfer(conn, FIRSTSOCKET, -1, TRUE,
+                          &http->readbytecount, http->postdata?FIRSTSOCKET:-1,
+                          http->postdata?&http->writebytecount:NULL);
+    break;
+
+  default:
+    result = Curl_add_buffer(&req_buffer, "\r\n", 2);
+    if(result)
+      return result;
+
+    /* issue the request */
+    result = Curl_add_buffer_send(&req_buffer, conn,
+                                  &data->info.request_size, 0, FIRSTSOCKET);
+
+    if(result)
+      failf(data, "Failed sending HTTP request");
+    else
+      /* HTTP GET/HEAD download: */
+      Curl_setup_transfer(conn, FIRSTSOCKET, -1, TRUE, &http->readbytecount,
+                          http->postdata?FIRSTSOCKET:-1,
+                          http->postdata?&http->writebytecount:NULL);
+  }
+  if(result)
+    return result;
+
+  if(http->writebytecount) {
+    /* if a request-body has been sent off, we make sure this progress is noted
+       properly */
+    Curl_pgrsSetUploadCounter(data, http->writebytecount);
+    if(Curl_pgrsUpdate(conn))
+      result = CURLE_ABORTED_BY_CALLBACK;
+
+    if(http->writebytecount >= postsize) {
+      /* already sent the entire request body, mark the "upload" as
+         complete */
+      infof(data, "upload completely sent off: %" CURL_FORMAT_CURL_OFF_T
+            " out of %" CURL_FORMAT_CURL_OFF_T " bytes\n",
+            http->writebytecount, postsize);
+      data->req.upload_done = TRUE;
+      data->req.keepon &= ~KEEP_SEND; /* we're done writing */
+      data->req.exp100 = EXP100_SEND_DATA; /* already sent */
+      Curl_expire_done(data, EXPIRE_100_TIMEOUT);
+    }
+    else
+      data->req.writebytecount = http->writebytecount;
+  }
+
+  if((conn->httpversion == 20) && data->req.upload_chunky)
+    /* upload_chunky was set above to set up the request in a chunky fashion,
+       but is disabled here again to avoid that the chunked encoded version is
+       actually used when sending the request body over h2 */
+    data->req.upload_chunky = FALSE;
+  return result;
+}
+
+typedef enum {
+  STATUS_UNKNOWN, /* not enough data to tell yet */
+  STATUS_DONE, /* a status line was read */
+  STATUS_BAD /* not a status line */
+} statusline;
+
+
+/* Check a string for a prefix. Check no more than 'len' bytes */
+static bool checkprefixmax(const char *prefix, const char *buffer, size_t len)
+{
+  size_t ch = CURLMIN(strlen(prefix), len);
+  return curl_strnequal(prefix, buffer, ch);
+}
+
+/*
+ * checkhttpprefix()
+ *
+ * Returns TRUE if member of the list matches prefix of string
+ */
+static statusline
+checkhttpprefix(struct Curl_easy *data,
+                const char *s, size_t len)
+{
+  struct curl_slist *head = data->set.http200aliases;
+  statusline rc = STATUS_BAD;
+  statusline onmatch = len >= 5? STATUS_DONE : STATUS_UNKNOWN;
+#ifdef CURL_DOES_CONVERSIONS
+  /* convert from the network encoding using a scratch area */
+  char *scratch = strdup(s);
+  if(NULL == scratch) {
+    failf(data, "Failed to allocate memory for conversion!");
+    return FALSE; /* can't return CURLE_OUT_OF_MEMORY so return FALSE */
+  }
+  if(CURLE_OK != Curl_convert_from_network(data, scratch, strlen(s) + 1)) {
+    /* Curl_convert_from_network calls failf if unsuccessful */
+    free(scratch);
+    return FALSE; /* can't return CURLE_foobar so return FALSE */
+  }
+  s = scratch;
+#endif /* CURL_DOES_CONVERSIONS */
+
+  while(head) {
+    if(checkprefixmax(head->data, s, len)) {
+      rc = onmatch;
+      break;
+    }
+    head = head->next;
+  }
+
+  if((rc != STATUS_DONE) && (checkprefixmax("HTTP/", s, len)))
+    rc = onmatch;
+
+#ifdef CURL_DOES_CONVERSIONS
+  free(scratch);
+#endif /* CURL_DOES_CONVERSIONS */
+  return rc;
+}
+
+#ifndef CURL_DISABLE_RTSP
+static statusline
+checkrtspprefix(struct Curl_easy *data,
+                const char *s, size_t len)
+{
+  statusline result = STATUS_BAD;
+  statusline onmatch = len >= 5? STATUS_DONE : STATUS_UNKNOWN;
+
+#ifdef CURL_DOES_CONVERSIONS
+  /* convert from the network encoding using a scratch area */
+  char *scratch = strdup(s);
+  if(NULL == scratch) {
+    failf(data, "Failed to allocate memory for conversion!");
+    return FALSE; /* can't return CURLE_OUT_OF_MEMORY so return FALSE */
+  }
+  if(CURLE_OK != Curl_convert_from_network(data, scratch, strlen(s) + 1)) {
+    /* Curl_convert_from_network calls failf if unsuccessful */
+    result = FALSE; /* can't return CURLE_foobar so return FALSE */
+  }
+  else if(checkprefixmax("RTSP/", scratch, len))
+    result = onmatch;
+  free(scratch);
+#else
+  (void)data; /* unused */
+  if(checkprefixmax("RTSP/", s, len))
+    result = onmatch;
+#endif /* CURL_DOES_CONVERSIONS */
+
+  return result;
+}
+#endif /* CURL_DISABLE_RTSP */
+
+static statusline
+checkprotoprefix(struct Curl_easy *data, struct connectdata *conn,
+                 const char *s, size_t len)
+{
+#ifndef CURL_DISABLE_RTSP
+  if(conn->handler->protocol & CURLPROTO_RTSP)
+    return checkrtspprefix(data, s, len);
+#else
+  (void)conn;
+#endif /* CURL_DISABLE_RTSP */
+
+  return checkhttpprefix(data, s, len);
+}
+
+/*
+ * header_append() copies a chunk of data to the end of the already received
+ * header. We make sure that the full string fit in the allocated header
+ * buffer, or else we enlarge it.
+ */
+static CURLcode header_append(struct Curl_easy *data,
+                              struct SingleRequest *k,
+                              size_t length)
+{
+  size_t newsize = k->hbuflen + length;
+  if(newsize > CURL_MAX_HTTP_HEADER) {
+    /* The reason to have a max limit for this is to avoid the risk of a bad
+       server feeding libcurl with a never-ending header that will cause
+       reallocs infinitely */
+    failf(data, "Rejected %zu bytes header (max is %d)!", newsize,
+          CURL_MAX_HTTP_HEADER);
+    return CURLE_OUT_OF_MEMORY;
+  }
+  if(newsize >= data->state.headersize) {
+    /* We enlarge the header buffer as it is too small */
+    char *newbuff;
+    size_t hbufp_index;
+
+    newsize = CURLMAX((k->hbuflen + length) * 3 / 2, data->state.headersize*2);
+    hbufp_index = k->hbufp - data->state.headerbuff;
+    newbuff = realloc(data->state.headerbuff, newsize);
+    if(!newbuff) {
+      failf(data, "Failed to alloc memory for big header!");
+      return CURLE_OUT_OF_MEMORY;
+    }
+    data->state.headersize = newsize;
+    data->state.headerbuff = newbuff;
+    k->hbufp = data->state.headerbuff + hbufp_index;
+  }
+  memcpy(k->hbufp, k->str_start, length);
+  k->hbufp += length;
+  k->hbuflen += length;
+  *k->hbufp = 0;
+
+  return CURLE_OK;
+}
+
+static void print_http_error(struct Curl_easy *data)
+{
+  struct SingleRequest *k = &data->req;
+  char *beg = k->p;
+
+  /* make sure that data->req.p points to the HTTP status line */
+  if(!strncmp(beg, "HTTP", 4)) {
+
+    /* skip to HTTP status code */
+    beg = strchr(beg, ' ');
+    if(beg && *++beg) {
+
+      /* find trailing CR */
+      char end_char = '\r';
+      char *end = strchr(beg, end_char);
+      if(!end) {
+        /* try to find LF (workaround for non-compliant HTTP servers) */
+        end_char = '\n';
+        end = strchr(beg, end_char);
+      }
+
+      if(end) {
+        /* temporarily replace CR or LF by NUL and print the error message */
+        *end = '\0';
+        failf(data, "The requested URL returned error: %s", beg);
+
+        /* restore the previously replaced CR or LF */
+        *end = end_char;
+        return;
+      }
+    }
+  }
+
+  /* fall-back to printing the HTTP status code only */
+  failf(data, "The requested URL returned error: %d", k->httpcode);
+}
+
+/*
+ * Read any HTTP header lines from the server and pass them to the client app.
+ */
+CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
+                                       struct connectdata *conn,
+                                       ssize_t *nread,
+                                       bool *stop_reading)
+{
+  CURLcode result;
+  struct SingleRequest *k = &data->req;
+  ssize_t onread = *nread;
+  char *ostr = k->str;
+
+  /* header line within buffer loop */
+  do {
+    size_t rest_length;
+    size_t full_length;
+    int writetype;
+
+    /* str_start is start of line within buf */
+    k->str_start = k->str;
+
+    /* data is in network encoding so use 0x0a instead of '\n' */
+    k->end_ptr = memchr(k->str_start, 0x0a, *nread);
+
+    if(!k->end_ptr) {
+      /* Not a complete header line within buffer, append the data to
+         the end of the headerbuff. */
+      result = header_append(data, k, *nread);
+      if(result)
+        return result;
+
+      if(!k->headerline) {
+        /* check if this looks like a protocol header */
+        statusline st = checkprotoprefix(data, conn, data->state.headerbuff,
+                                         k->hbuflen);
+        if(st == STATUS_BAD) {
+          /* this is not the beginning of a protocol first header line */
+          k->header = FALSE;
+          k->badheader = HEADER_ALLBAD;
+          streamclose(conn, "bad HTTP: No end-of-message indicator");
+          if(!data->set.http09_allowed) {
+            failf(data, "Received HTTP/0.9 when not allowed\n");
+            return CURLE_UNSUPPORTED_PROTOCOL;
+          }
+          break;
+        }
+      }
+
+      break; /* read more and try again */
+    }
+
+    /* decrease the size of the remaining (supposed) header line */
+    rest_length = (k->end_ptr - k->str) + 1;
+    *nread -= (ssize_t)rest_length;
+
+    k->str = k->end_ptr + 1; /* move past new line */
+
+    full_length = k->str - k->str_start;
+
+    result = header_append(data, k, full_length);
+    if(result)
+      return result;
+
+    k->end_ptr = k->hbufp;
+    k->p = data->state.headerbuff;
+
+    /****
+     * We now have a FULL header line that p points to
+     *****/
+
+    if(!k->headerline) {
+      /* the first read header */
+      statusline st = checkprotoprefix(data, conn, data->state.headerbuff,
+                                       k->hbuflen);
+      if(st == STATUS_BAD) {
+        streamclose(conn, "bad HTTP: No end-of-message indicator");
+        /* this is not the beginning of a protocol first header line */
+        if(!data->set.http09_allowed) {
+          failf(data, "Received HTTP/0.9 when not allowed\n");
+          return CURLE_UNSUPPORTED_PROTOCOL;
+        }
+        k->header = FALSE;
+        if(*nread)
+          /* since there's more, this is a partial bad header */
+          k->badheader = HEADER_PARTHEADER;
+        else {
+          /* this was all we read so it's all a bad header */
+          k->badheader = HEADER_ALLBAD;
+          *nread = onread;
+          k->str = ostr;
+          return CURLE_OK;
+        }
+        break;
+      }
+    }
+
+    /* headers are in network encoding so
+       use 0x0a and 0x0d instead of '\n' and '\r' */
+    if((0x0a == *k->p) || (0x0d == *k->p)) {
+      size_t headerlen;
+      /* Zero-length header line means end of headers! */
+
+#ifdef CURL_DOES_CONVERSIONS
+      if(0x0d == *k->p) {
+        *k->p = '\r'; /* replace with CR in host encoding */
+        k->p++;       /* pass the CR byte */
+      }
+      if(0x0a == *k->p) {
+        *k->p = '\n'; /* replace with LF in host encoding */
+        k->p++;       /* pass the LF byte */
+      }
+#else
+      if('\r' == *k->p)
+        k->p++; /* pass the \r byte */
+      if('\n' == *k->p)
+        k->p++; /* pass the \n byte */
+#endif /* CURL_DOES_CONVERSIONS */
+
+      if(100 <= k->httpcode && 199 >= k->httpcode) {
+        /* "A user agent MAY ignore unexpected 1xx status responses." */
+        switch(k->httpcode) {
+        case 100:
+          /*
+           * We have made a HTTP PUT or POST and this is 1.1-lingo
+           * that tells us that the server is OK with this and ready
+           * to receive the data.
+           * However, we'll get more headers now so we must get
+           * back into the header-parsing state!
+           */
+          k->header = TRUE;
+          k->headerline = 0; /* restart the header line counter */
+
+          /* if we did wait for this do enable write now! */
+          if(k->exp100 > EXP100_SEND_DATA) {
+            k->exp100 = EXP100_SEND_DATA;
+            k->keepon |= KEEP_SEND;
+            Curl_expire_done(data, EXPIRE_100_TIMEOUT);
+          }
+          break;
+        case 101:
+          /* Switching Protocols */
+          if(k->upgr101 == UPGR101_REQUESTED) {
+            /* Switching to HTTP/2 */
+            infof(data, "Received 101\n");
+            k->upgr101 = UPGR101_RECEIVED;
+
+            /* we'll get more headers (HTTP/2 response) */
+            k->header = TRUE;
+            k->headerline = 0; /* restart the header line counter */
+
+            /* switch to http2 now. The bytes after response headers
+               are also processed here, otherwise they are lost. */
+            result = Curl_http2_switched(conn, k->str, *nread);
+            if(result)
+              return result;
+            *nread = 0;
+          }
+          else {
+            /* Switching to another protocol (e.g. WebSocket) */
+            k->header = FALSE; /* no more header to parse! */
+          }
+          break;
+        default:
+          /* the status code 1xx indicates a provisional response, so
+             we'll get another set of headers */
+          k->header = TRUE;
+          k->headerline = 0; /* restart the header line counter */
+          break;
+        }
+      }
+      else {
+        k->header = FALSE; /* no more header to parse! */
+
+        if((k->size == -1) && !k->chunk && !conn->bits.close &&
+           (conn->httpversion == 11) &&
+           !(conn->handler->protocol & CURLPROTO_RTSP) &&
+           data->set.httpreq != HTTPREQ_HEAD) {
+          /* On HTTP 1.1, when connection is not to get closed, but no
+             Content-Length nor Transfer-Encoding chunked have been
+             received, according to RFC2616 section 4.4 point 5, we
+             assume that the server will close the connection to
+             signal the end of the document. */
+          infof(data, "no chunk, no close, no size. Assume close to "
+                "signal end\n");
+          streamclose(conn, "HTTP: No end-of-message indicator");
+        }
+      }
+
+      /* At this point we have some idea about the fate of the connection.
+         If we are closing the connection it may result auth failure. */
+#if defined(USE_NTLM)
+      if(conn->bits.close &&
+         (((data->req.httpcode == 401) &&
+           (conn->ntlm.state == NTLMSTATE_TYPE2)) ||
+          ((data->req.httpcode == 407) &&
+           (conn->proxyntlm.state == NTLMSTATE_TYPE2)))) {
+        infof(data, "Connection closure while negotiating auth (HTTP 1.0?)\n");
+        data->state.authproblem = TRUE;
+      }
+#endif
+
+      /*
+       * When all the headers have been parsed, see if we should give
+       * up and return an error.
+       */
+      if(http_should_fail(conn)) {
+        failf(data, "The requested URL returned error: %d",
+              k->httpcode);
+        return CURLE_HTTP_RETURNED_ERROR;
+      }
+
+      /* now, only output this if the header AND body are requested:
+       */
+      writetype = CLIENTWRITE_HEADER;
+      if(data->set.include_header)
+        writetype |= CLIENTWRITE_BODY;
+
+      headerlen = k->p - data->state.headerbuff;
+
+      result = Curl_client_write(conn, writetype,
+                                 data->state.headerbuff,
+                                 headerlen);
+      if(result)
+        return result;
+
+      data->info.header_size += (long)headerlen;
+      data->req.headerbytecount += (long)headerlen;
+
+      data->req.deductheadercount =
+        (100 <= k->httpcode && 199 >= k->httpcode)?data->req.headerbytecount:0;
+
+      /* Curl_http_auth_act() checks what authentication methods
+       * that are available and decides which one (if any) to
+       * use. It will set 'newurl' if an auth method was picked. */
+      result = Curl_http_auth_act(conn);
+
+      if(result)
+        return result;
+
+      if(k->httpcode >= 300) {
+        if((!conn->bits.authneg) && !conn->bits.close &&
+           !conn->bits.rewindaftersend) {
+          /*
+           * General treatment of errors when about to send data. Including :
+           * "417 Expectation Failed", while waiting for 100-continue.
+           *
+           * The check for close above is done simply because of something
+           * else has already deemed the connection to get closed then
+           * something else should've considered the big picture and we
+           * avoid this check.
+           *
+           * rewindaftersend indicates that something has told libcurl to
+           * continue sending even if it gets discarded
+           */
+
+          switch(data->set.httpreq) {
+          case HTTPREQ_PUT:
+          case HTTPREQ_POST:
+          case HTTPREQ_POST_FORM:
+          case HTTPREQ_POST_MIME:
+            /* We got an error response. If this happened before the whole
+             * request body has been sent we stop sending and mark the
+             * connection for closure after we've read the entire response.
+             */
+            Curl_expire_done(data, EXPIRE_100_TIMEOUT);
+            if(!k->upload_done) {
+              if(data->set.http_keep_sending_on_error) {
+                infof(data, "HTTP error before end of send, keep sending\n");
+                if(k->exp100 > EXP100_SEND_DATA) {
+                  k->exp100 = EXP100_SEND_DATA;
+                  k->keepon |= KEEP_SEND;
+                }
+              }
+              else {
+                infof(data, "HTTP error before end of send, stop sending\n");
+                streamclose(conn, "Stop sending data before everything sent");
+                k->upload_done = TRUE;
+                k->keepon &= ~KEEP_SEND; /* don't send */
+                if(data->state.expect100header)
+                  k->exp100 = EXP100_FAILED;
+              }
+            }
+            break;
+
+          default: /* default label present to avoid compiler warnings */
+            break;
+          }
+        }
+
+        if(conn->bits.rewindaftersend) {
+          /* We rewind after a complete send, so thus we continue
+             sending now */
+          infof(data, "Keep sending data to get tossed away!\n");
+          k->keepon |= KEEP_SEND;
+        }
+      }
+
+      if(!k->header) {
+        /*
+         * really end-of-headers.
+         *
+         * If we requested a "no body", this is a good time to get
+         * out and return home.
+         */
+        if(data->set.opt_no_body)
+          *stop_reading = TRUE;
+#ifndef CURL_DISABLE_RTSP
+        else if((conn->handler->protocol & CURLPROTO_RTSP) &&
+                (data->set.rtspreq == RTSPREQ_DESCRIBE) &&
+                (k->size <= -1))
+          /* Respect section 4.4 of rfc2326: If the Content-Length header is
+             absent, a length 0 must be assumed.  It will prevent libcurl from
+             hanging on DESCRIBE request that got refused for whatever
+             reason */
+          *stop_reading = TRUE;
+#endif
+        else {
+          /* If we know the expected size of this document, we set the
+             maximum download size to the size of the expected
+             document or else, we won't know when to stop reading!
+
+             Note that we set the download maximum even if we read a
+             "Connection: close" header, to make sure that
+             "Content-Length: 0" still prevents us from attempting to
+             read the (missing) response-body.
+          */
+          /* According to RFC2616 section 4.4, we MUST ignore
+             Content-Length: headers if we are now receiving data
+             using chunked Transfer-Encoding.
+          */
+          if(k->chunk)
+            k->maxdownload = k->size = -1;
+        }
+        if(-1 != k->size) {
+          /* We do this operation even if no_body is true, since this
+             data might be retrieved later with curl_easy_getinfo()
+             and its CURLINFO_CONTENT_LENGTH_DOWNLOAD option. */
+
+          Curl_pgrsSetDownloadSize(data, k->size);
+          k->maxdownload = k->size;
+        }
+
+        /* If max download size is *zero* (nothing) we already have
+           nothing and can safely return ok now!  But for HTTP/2, we'd
+           like to call http2_handle_stream_close to properly close a
+           stream.  In order to do this, we keep reading until we
+           close the stream. */
+        if(0 == k->maxdownload
+#if defined(USE_NGHTTP2)
+           && !((conn->handler->protocol & PROTO_FAMILY_HTTP) &&
+                conn->httpversion == 20)
+#endif
+           )
+          *stop_reading = TRUE;
+
+        if(*stop_reading) {
+          /* we make sure that this socket isn't read more now */
+          k->keepon &= ~KEEP_RECV;
+        }
+
+        if(data->set.verbose)
+          Curl_debug(data, CURLINFO_HEADER_IN,
+                     k->str_start, headerlen);
+        break;          /* exit header line loop */
+      }
+
+      /* We continue reading headers, so reset the line-based
+         header parsing variables hbufp && hbuflen */
+      k->hbufp = data->state.headerbuff;
+      k->hbuflen = 0;
+      continue;
+    }
+
+    /*
+     * Checks for special headers coming up.
+     */
+
+    if(!k->headerline++) {
+      /* This is the first header, it MUST be the error code line
+         or else we consider this to be the body right away! */
+      int httpversion_major;
+      int rtspversion_major;
+      int nc = 0;
+#ifdef CURL_DOES_CONVERSIONS
+#define HEADER1 scratch
+#define SCRATCHSIZE 21
+      CURLcode res;
+      char scratch[SCRATCHSIZE + 1]; /* "HTTP/major.minor 123" */
+      /* We can't really convert this yet because we
+         don't know if it's the 1st header line or the body.
+         So we do a partial conversion into a scratch area,
+         leaving the data at k->p as-is.
+      */
+      strncpy(&scratch[0], k->p, SCRATCHSIZE);
+      scratch[SCRATCHSIZE] = 0; /* null terminate */
+      res = Curl_convert_from_network(data,
+                                      &scratch[0],
+                                      SCRATCHSIZE);
+      if(res)
+        /* Curl_convert_from_network calls failf if unsuccessful */
+        return res;
+#else
+#define HEADER1 k->p /* no conversion needed, just use k->p */
+#endif /* CURL_DOES_CONVERSIONS */
+
+      if(conn->handler->protocol & PROTO_FAMILY_HTTP) {
+        /*
+         * https://tools.ietf.org/html/rfc7230#section-3.1.2
+         *
+         * The response code is always a three-digit number in HTTP as the spec
+         * says. We try to allow any number here, but we cannot make
+         * guarantees on future behaviors since it isn't within the protocol.
+         */
+        char separator;
+        nc = sscanf(HEADER1,
+                    " HTTP/%1d.%1d%c%3d",
+                    &httpversion_major,
+                    &conn->httpversion,
+                    &separator,
+                    &k->httpcode);
+
+        if(nc == 1 && httpversion_major == 2 &&
+           1 == sscanf(HEADER1, " HTTP/2 %d", &k->httpcode)) {
+          conn->httpversion = 0;
+          nc = 4;
+          separator = ' ';
+        }
+
+        if((nc == 4) && (' ' == separator)) {
+          conn->httpversion += 10 * httpversion_major;
+
+          if(k->upgr101 == UPGR101_RECEIVED) {
+            /* supposedly upgraded to http2 now */
+            if(conn->httpversion != 20)
+              infof(data, "Lying server, not serving HTTP/2\n");
+          }
+        }
+        else if(!nc) {
+          /* this is the real world, not a Nirvana
+             NCSA 1.5.x returns this crap when asked for HTTP/1.1
+          */
+          nc = sscanf(HEADER1, " HTTP %3d", &k->httpcode);
+          conn->httpversion = 10;
+
+          /* If user has set option HTTP200ALIASES,
+             compare header line against list of aliases
+          */
+          if(!nc) {
+            if(checkhttpprefix(data, k->p, k->hbuflen) == STATUS_DONE) {
+              nc = 1;
+              k->httpcode = 200;
+              conn->httpversion = 10;
+            }
+          }
+        }
+        else {
+          failf(data, "Unsupported HTTP version in response\n");
+          return CURLE_UNSUPPORTED_PROTOCOL;
+        }
+      }
+      else if(conn->handler->protocol & CURLPROTO_RTSP) {
+        char separator;
+        nc = sscanf(HEADER1,
+                    " RTSP/%1d.%1d%c%3d",
+                    &rtspversion_major,
+                    &conn->rtspversion,
+                    &separator,
+                    &k->httpcode);
+        if((nc == 4) && (' ' == separator)) {
+          conn->rtspversion += 10 * rtspversion_major;
+          conn->httpversion = 11; /* For us, RTSP acts like HTTP 1.1 */
+        }
+        else {
+          /* TODO: do we care about the other cases here? */
+          nc = 0;
+        }
+      }
+
+      if(nc) {
+        data->info.httpcode = k->httpcode;
+
+        data->info.httpversion = conn->httpversion;
+        if(!data->state.httpversion ||
+           data->state.httpversion > conn->httpversion)
+          /* store the lowest server version we encounter */
+          data->state.httpversion = conn->httpversion;
+
+        /*
+         * This code executes as part of processing the header.  As a
+         * result, it's not totally clear how to interpret the
+         * response code yet as that depends on what other headers may
+         * be present.  401 and 407 may be errors, but may be OK
+         * depending on how authentication is working.  Other codes
+         * are definitely errors, so give up here.
+         */
+        if(data->state.resume_from && data->set.httpreq == HTTPREQ_GET &&
+             k->httpcode == 416) {
+          /* "Requested Range Not Satisfiable", just proceed and
+             pretend this is no error */
+          k->ignorebody = TRUE; /* Avoid appending error msg to good data. */
+        }
+        else if(data->set.http_fail_on_error && (k->httpcode >= 400) &&
+           ((k->httpcode != 401) || !conn->bits.user_passwd) &&
+           ((k->httpcode != 407) || !conn->bits.proxy_user_passwd) ) {
+          /* serious error, go home! */
+          print_http_error(data);
+          return CURLE_HTTP_RETURNED_ERROR;
+        }
+
+        if(conn->httpversion == 10) {
+          /* Default action for HTTP/1.0 must be to close, unless
+             we get one of those fancy headers that tell us the
+             server keeps it open for us! */
+          infof(data, "HTTP 1.0, assume close after body\n");
+          connclose(conn, "HTTP/1.0 close after body");
+        }
+        else if(conn->httpversion == 20 ||
+                (k->upgr101 == UPGR101_REQUESTED && k->httpcode == 101)) {
+          DEBUGF(infof(data, "HTTP/2 found, allow multiplexing\n"));
+
+          /* HTTP/2 cannot blacklist multiplexing since it is a core
+             functionality of the protocol */
+          conn->bundle->multiuse = BUNDLE_MULTIPLEX;
+        }
+        else if(conn->httpversion >= 11 &&
+                !conn->bits.close) {
+          /* If HTTP version is >= 1.1 and connection is persistent
+             server supports pipelining. */
+          DEBUGF(infof(data,
+                       "HTTP 1.1 or later with persistent connection, "
+                       "pipelining supported\n"));
+          /* Activate pipelining if needed */
+          if(conn->bundle) {
+            if(!Curl_pipeline_site_blacklisted(data, conn))
+              conn->bundle->multiuse = BUNDLE_PIPELINING;
+          }
+        }
+
+        switch(k->httpcode) {
+        case 304:
+          /* (quote from RFC2616, section 10.3.5): The 304 response
+           * MUST NOT contain a message-body, and thus is always
+           * terminated by the first empty line after the header
+           * fields.  */
+          if(data->set.timecondition)
+            data->info.timecond = TRUE;
+          /* FALLTHROUGH */
+        case 204:
+          /* (quote from RFC2616, section 10.2.5): The server has
+           * fulfilled the request but does not need to return an
+           * entity-body ... The 204 response MUST NOT include a
+           * message-body, and thus is always terminated by the first
+           * empty line after the header fields. */
+          k->size = 0;
+          k->maxdownload = 0;
+          k->ignorecl = TRUE; /* ignore Content-Length headers */
+          break;
+        default:
+          /* nothing */
+          break;
+        }
+      }
+      else {
+        k->header = FALSE;   /* this is not a header line */
+        break;
+      }
+    }
+
+    result = Curl_convert_from_network(data, k->p, strlen(k->p));
+    /* Curl_convert_from_network calls failf if unsuccessful */
+    if(result)
+      return result;
+
+    /* Check for Content-Length: header lines to get size */
+    if(!k->ignorecl && !data->set.ignorecl &&
+       checkprefix("Content-Length:", k->p)) {
+      curl_off_t contentlength;
+      CURLofft offt = curlx_strtoofft(k->p + 15, NULL, 10, &contentlength);
+
+      if(offt == CURL_OFFT_OK) {
+        if(data->set.max_filesize &&
+           contentlength > data->set.max_filesize) {
+          failf(data, "Maximum file size exceeded");
+          return CURLE_FILESIZE_EXCEEDED;
+        }
+        k->size = contentlength;
+        k->maxdownload = k->size;
+        /* we set the progress download size already at this point
+           just to make it easier for apps/callbacks to extract this
+           info as soon as possible */
+        Curl_pgrsSetDownloadSize(data, k->size);
+      }
+      else if(offt == CURL_OFFT_FLOW) {
+        /* out of range */
+        if(data->set.max_filesize) {
+          failf(data, "Maximum file size exceeded");
+          return CURLE_FILESIZE_EXCEEDED;
+        }
+        streamclose(conn, "overflow content-length");
+        infof(data, "Overflow Content-Length: value!\n");
+      }
+      else {
+        /* negative or just rubbish - bad HTTP */
+        failf(data, "Invalid Content-Length: value");
+        return CURLE_WEIRD_SERVER_REPLY;
+      }
+    }
+    /* check for Content-Type: header lines to get the MIME-type */
+    else if(checkprefix("Content-Type:", k->p)) {
+      char *contenttype = Curl_copy_header_value(k->p);
+      if(!contenttype)
+        return CURLE_OUT_OF_MEMORY;
+      if(!*contenttype)
+        /* ignore empty data */
+        free(contenttype);
+      else {
+        Curl_safefree(data->info.contenttype);
+        data->info.contenttype = contenttype;
+      }
+    }
+    else if(checkprefix("Server:", k->p)) {
+      if(conn->httpversion < 20) {
+        /* only do this for non-h2 servers */
+        char *server_name = Curl_copy_header_value(k->p);
+
+        /* Turn off pipelining if the server version is blacklisted  */
+        if(conn->bundle && (conn->bundle->multiuse == BUNDLE_PIPELINING)) {
+          if(Curl_pipeline_server_blacklisted(data, server_name))
+            conn->bundle->multiuse = BUNDLE_NO_MULTIUSE;
+        }
+        free(server_name);
+      }
+    }
+    else if((conn->httpversion == 10) &&
+            conn->bits.httpproxy &&
+            Curl_compareheader(k->p,
+                               "Proxy-Connection:", "keep-alive")) {
+      /*
+       * When a HTTP/1.0 reply comes when using a proxy, the
+       * 'Proxy-Connection: keep-alive' line tells us the
+       * connection will be kept alive for our pleasure.
+       * Default action for 1.0 is to close.
+       */
+      connkeep(conn, "Proxy-Connection keep-alive"); /* don't close */
+      infof(data, "HTTP/1.0 proxy connection set to keep alive!\n");
+    }
+    else if((conn->httpversion == 11) &&
+            conn->bits.httpproxy &&
+            Curl_compareheader(k->p,
+                               "Proxy-Connection:", "close")) {
+      /*
+       * We get a HTTP/1.1 response from a proxy and it says it'll
+       * close down after this transfer.
+       */
+      connclose(conn, "Proxy-Connection: asked to close after done");
+      infof(data, "HTTP/1.1 proxy connection set close!\n");
+    }
+    else if((conn->httpversion == 10) &&
+            Curl_compareheader(k->p, "Connection:", "keep-alive")) {
+      /*
+       * A HTTP/1.0 reply with the 'Connection: keep-alive' line
+       * tells us the connection will be kept alive for our
+       * pleasure.  Default action for 1.0 is to close.
+       *
+       * [RFC2068, section 19.7.1] */
+      connkeep(conn, "Connection keep-alive");
+      infof(data, "HTTP/1.0 connection set to keep alive!\n");
+    }
+    else if(Curl_compareheader(k->p, "Connection:", "close")) {
+      /*
+       * [RFC 2616, section 8.1.2.1]
+       * "Connection: close" is HTTP/1.1 language and means that
+       * the connection will close when this request has been
+       * served.
+       */
+      streamclose(conn, "Connection: close used");
+    }
+    else if(checkprefix("Transfer-Encoding:", k->p)) {
+      /* One or more encodings. We check for chunked and/or a compression
+         algorithm. */
+      /*
+       * [RFC 2616, section 3.6.1] A 'chunked' transfer encoding
+       * means that the server will send a series of "chunks". Each
+       * chunk starts with line with info (including size of the
+       * coming block) (terminated with CRLF), then a block of data
+       * with the previously mentioned size. There can be any amount
+       * of chunks, and a chunk-data set to zero signals the
+       * end-of-chunks. */
+
+      result = Curl_build_unencoding_stack(conn, k->p + 18, TRUE);
+      if(result)
+        return result;
+    }
+    else if(checkprefix("Content-Encoding:", k->p) &&
+            data->set.str[STRING_ENCODING]) {
+      /*
+       * Process Content-Encoding. Look for the values: identity,
+       * gzip, deflate, compress, x-gzip and x-compress. x-gzip and
+       * x-compress are the same as gzip and compress. (Sec 3.5 RFC
+       * 2616). zlib cannot handle compress.  However, errors are
+       * handled further down when the response body is processed
+       */
+      result = Curl_build_unencoding_stack(conn, k->p + 17, FALSE);
+      if(result)
+        return result;
+    }
+    else if(checkprefix("Content-Range:", k->p)) {
+      /* Content-Range: bytes [num]-
+         Content-Range: bytes: [num]-
+         Content-Range: [num]-
+         Content-Range: [asterisk]/[total]
+
+         The second format was added since Sun's webserver
+         JavaWebServer/1.1.1 obviously sends the header this way!
+         The third added since some servers use that!
+         The forth means the requested range was unsatisfied.
+      */
+
+      char *ptr = k->p + 14;
+
+      /* Move forward until first digit or asterisk */
+      while(*ptr && !ISDIGIT(*ptr) && *ptr != '*')
+        ptr++;
+
+      /* if it truly stopped on a digit */
+      if(ISDIGIT(*ptr)) {
+        if(!curlx_strtoofft(ptr, NULL, 10, &k->offset)) {
+          if(data->state.resume_from == k->offset)
+            /* we asked for a resume and we got it */
+            k->content_range = TRUE;
+        }
+      }
+      else
+        data->state.resume_from = 0; /* get everything */
+    }
+#if !defined(CURL_DISABLE_COOKIES)
+    else if(data->cookies &&
+            checkprefix("Set-Cookie:", k->p)) {
+      Curl_share_lock(data, CURL_LOCK_DATA_COOKIE,
+                      CURL_LOCK_ACCESS_SINGLE);
+      Curl_cookie_add(data,
+                      data->cookies, TRUE, FALSE, k->p + 11,
+                      /* If there is a custom-set Host: name, use it
+                         here, or else use real peer host name. */
+                      conn->allocptr.cookiehost?
+                      conn->allocptr.cookiehost:conn->host.name,
+                      data->state.up.path,
+                      (conn->handler->protocol&CURLPROTO_HTTPS)?
+                      TRUE:FALSE);
+      Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
+    }
+#endif
+    else if(checkprefix("Last-Modified:", k->p) &&
+            (data->set.timecondition || data->set.get_filetime) ) {
+      time_t secs = time(NULL);
+      k->timeofdoc = curl_getdate(k->p + strlen("Last-Modified:"),
+                                  &secs);
+      if(data->set.get_filetime)
+        data->info.filetime = k->timeofdoc;
+    }
+    else if((checkprefix("WWW-Authenticate:", k->p) &&
+             (401 == k->httpcode)) ||
+            (checkprefix("Proxy-authenticate:", k->p) &&
+             (407 == k->httpcode))) {
+
+      bool proxy = (k->httpcode == 407) ? TRUE : FALSE;
+      char *auth = Curl_copy_header_value(k->p);
+      if(!auth)
+        return CURLE_OUT_OF_MEMORY;
+
+      result = Curl_http_input_auth(conn, proxy, auth);
+
+      free(auth);
+
+      if(result)
+        return result;
+    }
+    else if((k->httpcode >= 300 && k->httpcode < 400) &&
+            checkprefix("Location:", k->p) &&
+            !data->req.location) {
+      /* this is the URL that the server advises us to use instead */
+      char *location = Curl_copy_header_value(k->p);
+      if(!location)
+        return CURLE_OUT_OF_MEMORY;
+      if(!*location)
+        /* ignore empty data */
+        free(location);
+      else {
+        data->req.location = location;
+
+        if(data->set.http_follow_location) {
+          DEBUGASSERT(!data->req.newurl);
+          data->req.newurl = strdup(data->req.location); /* clone */
+          if(!data->req.newurl)
+            return CURLE_OUT_OF_MEMORY;
+
+          /* some cases of POST and PUT etc needs to rewind the data
+             stream at this point */
+          result = http_perhapsrewind(conn);
+          if(result)
+            return result;
+        }
+      }
+    }
+    else if(conn->handler->protocol & CURLPROTO_RTSP) {
+      result = Curl_rtsp_parseheader(conn, k->p);
+      if(result)
+        return result;
+    }
+
+    /*
+     * End of header-checks. Write them to the client.
+     */
+
+    writetype = CLIENTWRITE_HEADER;
+    if(data->set.include_header)
+      writetype |= CLIENTWRITE_BODY;
+
+    if(data->set.verbose)
+      Curl_debug(data, CURLINFO_HEADER_IN, k->p, (size_t)k->hbuflen);
+
+    result = Curl_client_write(conn, writetype, k->p, k->hbuflen);
+    if(result)
+      return result;
+
+    data->info.header_size += (long)k->hbuflen;
+    data->req.headerbytecount += (long)k->hbuflen;
+
+    /* reset hbufp pointer && hbuflen */
+    k->hbufp = data->state.headerbuff;
+    k->hbuflen = 0;
+  }
+  while(*k->str); /* header line within buffer */
+
+  /* We might have reached the end of the header part here, but
+     there might be a non-header part left in the end of the read
+     buffer. */
+
+  return CURLE_OK;
+}
+
+#endif /* CURL_DISABLE_HTTP */
Index: trunk/src/libs/curl-7.64.0/lib/http.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/http.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/http.h	(revision 85671)
@@ -0,0 +1,262 @@
+#ifndef HEADER_CURL_HTTP_H
+#define HEADER_CURL_HTTP_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_HTTP
+
+#ifdef USE_NGHTTP2
+#include <nghttp2/nghttp2.h>
+#endif
+
+extern const struct Curl_handler Curl_handler_http;
+
+#ifdef USE_SSL
+extern const struct Curl_handler Curl_handler_https;
+#endif
+
+/* Header specific functions */
+bool Curl_compareheader(const char *headerline,  /* line to check */
+                        const char *header,   /* header keyword _with_ colon */
+                        const char *content); /* content string to find */
+
+char *Curl_copy_header_value(const char *header);
+
+char *Curl_checkProxyheaders(const struct connectdata *conn,
+                             const char *thisheader);
+/* ------------------------------------------------------------------------- */
+/*
+ * The add_buffer series of functions are used to build one large memory chunk
+ * from repeated function invokes. Used so that the entire HTTP request can
+ * be sent in one go.
+ */
+struct Curl_send_buffer {
+  char *buffer;
+  size_t size_max;
+  size_t size_used;
+};
+typedef struct Curl_send_buffer Curl_send_buffer;
+
+Curl_send_buffer *Curl_add_buffer_init(void);
+void Curl_add_buffer_free(Curl_send_buffer **inp);
+CURLcode Curl_add_bufferf(Curl_send_buffer **inp, const char *fmt, ...)
+  WARN_UNUSED_RESULT;
+CURLcode Curl_add_buffer(Curl_send_buffer **inp, const void *inptr,
+                         size_t size) WARN_UNUSED_RESULT;
+CURLcode Curl_add_buffer_send(Curl_send_buffer **inp,
+                              struct connectdata *conn,
+                              long *bytes_written,
+                              size_t included_body_bytes,
+                              int socketindex);
+
+CURLcode Curl_add_timecondition(struct Curl_easy *data,
+                                Curl_send_buffer *buf);
+CURLcode Curl_add_custom_headers(struct connectdata *conn,
+                                 bool is_connect,
+                                 Curl_send_buffer *req_buffer);
+CURLcode Curl_http_compile_trailers(struct curl_slist *trailers,
+                                    Curl_send_buffer *buffer,
+                                    struct Curl_easy *handle);
+
+/* protocol-specific functions set up to be called by the main engine */
+CURLcode Curl_http(struct connectdata *conn, bool *done);
+CURLcode Curl_http_done(struct connectdata *, CURLcode, bool premature);
+CURLcode Curl_http_connect(struct connectdata *conn, bool *done);
+CURLcode Curl_http_setup_conn(struct connectdata *conn);
+
+/* The following functions are defined in http_chunks.c */
+void Curl_httpchunk_init(struct connectdata *conn);
+CHUNKcode Curl_httpchunk_read(struct connectdata *conn, char *datap,
+                              ssize_t length, ssize_t *wrote);
+
+/* These functions are in http.c */
+void Curl_http_auth_stage(struct Curl_easy *data, int stage);
+CURLcode Curl_http_input_auth(struct connectdata *conn, bool proxy,
+                              const char *auth);
+CURLcode Curl_http_auth_act(struct connectdata *conn);
+CURLcode Curl_http_perhapsrewind(struct connectdata *conn);
+
+/* If only the PICKNONE bit is set, there has been a round-trip and we
+   selected to use no auth at all. Ie, we actively select no auth, as opposed
+   to not having one selected. The other CURLAUTH_* defines are present in the
+   public curl/curl.h header. */
+#define CURLAUTH_PICKNONE (1<<30) /* don't use auth */
+
+/* MAX_INITIAL_POST_SIZE indicates the number of bytes that will make the POST
+   data get included in the initial data chunk sent to the server. If the
+   data is larger than this, it will automatically get split up in multiple
+   system calls.
+
+   This value used to be fairly big (100K), but we must take into account that
+   if the server rejects the POST due for authentication reasons, this data
+   will always be unconditionally sent and thus it may not be larger than can
+   always be afforded to send twice.
+
+   It must not be greater than 64K to work on VMS.
+*/
+#ifndef MAX_INITIAL_POST_SIZE
+#define MAX_INITIAL_POST_SIZE (64*1024)
+#endif
+
+/* EXPECT_100_THRESHOLD is the request body size limit for when libcurl will
+ * automatically add an "Expect: 100-continue" header in HTTP requests. When
+ * the size is unknown, it will always add it.
+ *
+ */
+#ifndef EXPECT_100_THRESHOLD
+#define EXPECT_100_THRESHOLD 1024
+#endif
+
+#endif /* CURL_DISABLE_HTTP */
+
+/****************************************************************************
+ * HTTP unique setup
+ ***************************************************************************/
+struct HTTP {
+  curl_mimepart *sendit;
+  curl_off_t postsize; /* off_t to handle large file sizes */
+  const char *postdata;
+
+  const char *p_pragma;      /* Pragma: string */
+  const char *p_accept;      /* Accept: string */
+  curl_off_t readbytecount;
+  curl_off_t writebytecount;
+
+  /* For FORM posting */
+  curl_mimepart form;
+
+  struct back {
+    curl_read_callback fread_func; /* backup storage for fread pointer */
+    void *fread_in;           /* backup storage for fread_in pointer */
+    const char *postdata;
+    curl_off_t postsize;
+  } backup;
+
+  enum {
+    HTTPSEND_NADA,    /* init */
+    HTTPSEND_REQUEST, /* sending a request */
+    HTTPSEND_BODY,    /* sending body */
+    HTTPSEND_LAST     /* never use this */
+  } sending;
+
+#ifndef CURL_DISABLE_HTTP
+  Curl_send_buffer *send_buffer; /* used if the request couldn't be sent in
+                                    one chunk, points to an allocated
+                                    send_buffer struct */
+#endif
+#ifdef USE_NGHTTP2
+  /*********** for HTTP/2 we store stream-local data here *************/
+  int32_t stream_id; /* stream we are interested in */
+
+  bool bodystarted;
+  /* We store non-final and final response headers here, per-stream */
+  Curl_send_buffer *header_recvbuf;
+  size_t nread_header_recvbuf; /* number of bytes in header_recvbuf fed into
+                                  upper layer */
+  Curl_send_buffer *trailer_recvbuf;
+  int status_code; /* HTTP status code */
+  const uint8_t *pausedata; /* pointer to data received in on_data_chunk */
+  size_t pauselen; /* the number of bytes left in data */
+  bool closed; /* TRUE on HTTP2 stream close */
+  bool close_handled; /* TRUE if stream closure is handled by libcurl */
+  char *mem;     /* points to a buffer in memory to store received data */
+  size_t len;    /* size of the buffer 'mem' points to */
+  size_t memlen; /* size of data copied to mem */
+
+  const uint8_t *upload_mem; /* points to a buffer to read from */
+  size_t upload_len; /* size of the buffer 'upload_mem' points to */
+  curl_off_t upload_left; /* number of bytes left to upload */
+
+  char **push_headers;       /* allocated array */
+  size_t push_headers_used;  /* number of entries filled in */
+  size_t push_headers_alloc; /* number of entries allocated */
+#endif
+};
+
+#ifdef USE_NGHTTP2
+/* h2 settings for this connection */
+struct h2settings {
+  uint32_t max_concurrent_streams;
+  bool enable_push;
+};
+#endif
+
+struct http_conn {
+#ifdef USE_NGHTTP2
+#define H2_BINSETTINGS_LEN 80
+  nghttp2_session *h2;
+  uint8_t binsettings[H2_BINSETTINGS_LEN];
+  size_t  binlen; /* length of the binsettings data */
+  Curl_send *send_underlying; /* underlying send Curl_send callback */
+  Curl_recv *recv_underlying; /* underlying recv Curl_recv callback */
+  char *inbuf; /* buffer to receive data from underlying socket */
+  size_t inbuflen; /* number of bytes filled in inbuf */
+  size_t nread_inbuf; /* number of bytes read from in inbuf */
+  /* We need separate buffer for transmission and reception because we
+     may call nghttp2_session_send() after the
+     nghttp2_session_mem_recv() but mem buffer is still not full. In
+     this case, we wrongly sends the content of mem buffer if we share
+     them for both cases. */
+  int32_t pause_stream_id; /* stream ID which paused
+                              nghttp2_session_mem_recv */
+  size_t drain_total; /* sum of all stream's UrlState.drain */
+
+  /* this is a hash of all individual streams (Curl_easy structs) */
+  struct h2settings settings;
+
+  /* list of settings that will be sent */
+  nghttp2_settings_entry local_settings[3];
+  size_t local_settings_num;
+  uint32_t error_code; /* HTTP/2 error code */
+#else
+  int unused; /* prevent a compiler warning */
+#endif
+};
+
+CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
+                                     struct connectdata *conn,
+                                     ssize_t *nread,
+                                     bool *stop_reading);
+
+/**
+ * Curl_http_output_auth() setups the authentication headers for the
+ * host/proxy and the correct authentication
+ * method. conn->data->state.authdone is set to TRUE when authentication is
+ * done.
+ *
+ * @param conn all information about the current connection
+ * @param request pointer to the request keyword
+ * @param path pointer to the requested path
+ * @param proxytunnel boolean if this is the request setting up a "proxy
+ * tunnel"
+ *
+ * @returns CURLcode
+ */
+CURLcode
+Curl_http_output_auth(struct connectdata *conn,
+                      const char *request,
+                      const char *path,
+                      bool proxytunnel); /* TRUE if this is the request setting
+                                            up the proxy tunnel */
+
+#endif /* HEADER_CURL_HTTP_H */
Index: trunk/src/libs/curl-7.64.0/lib/http2.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/http2.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/http2.c	(revision 85671)
@@ -0,0 +1,2403 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef USE_NGHTTP2
+#include <nghttp2/nghttp2.h>
+#include "urldata.h"
+#include "http2.h"
+#include "http.h"
+#include "sendf.h"
+#include "select.h"
+#include "curl_base64.h"
+#include "strcase.h"
+#include "multiif.h"
+#include "url.h"
+#include "connect.h"
+#include "strtoofft.h"
+#include "strdup.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#define H2_BUFSIZE 32768
+
+#if (NGHTTP2_VERSION_NUM < 0x010000)
+#error too old nghttp2 version, upgrade!
+#endif
+
+#if (NGHTTP2_VERSION_NUM > 0x010800)
+#define NGHTTP2_HAS_HTTP2_STRERROR 1
+#endif
+
+#if (NGHTTP2_VERSION_NUM >= 0x010900)
+/* nghttp2_session_callbacks_set_error_callback is present in nghttp2 1.9.0 or
+   later */
+#define NGHTTP2_HAS_ERROR_CALLBACK 1
+#else
+#define nghttp2_session_callbacks_set_error_callback(x,y)
+#endif
+
+#if (NGHTTP2_VERSION_NUM >= 0x010c00)
+#define NGHTTP2_HAS_SET_LOCAL_WINDOW_SIZE 1
+#endif
+
+#define HTTP2_HUGE_WINDOW_SIZE (1 << 30)
+
+#ifdef DEBUG_HTTP2
+#define H2BUGF(x) x
+#else
+#define H2BUGF(x) do { } WHILE_FALSE
+#endif
+
+
+static ssize_t http2_recv(struct connectdata *conn, int sockindex,
+                          char *mem, size_t len, CURLcode *err);
+static bool http2_connisdead(struct connectdata *conn);
+static int h2_session_send(struct Curl_easy *data,
+                           nghttp2_session *h2);
+static int h2_process_pending_input(struct connectdata *conn,
+                                    struct http_conn *httpc,
+                                    CURLcode *err);
+
+/*
+ * Curl_http2_init_state() is called when the easy handle is created and
+ * allows for HTTP/2 specific init of state.
+ */
+void Curl_http2_init_state(struct UrlState *state)
+{
+  state->stream_weight = NGHTTP2_DEFAULT_WEIGHT;
+}
+
+/*
+ * Curl_http2_init_userset() is called when the easy handle is created and
+ * allows for HTTP/2 specific user-set fields.
+ */
+void Curl_http2_init_userset(struct UserDefined *set)
+{
+  set->stream_weight = NGHTTP2_DEFAULT_WEIGHT;
+}
+
+static int http2_perform_getsock(const struct connectdata *conn,
+                                 curl_socket_t *sock, /* points to
+                                                         numsocks
+                                                         number of
+                                                         sockets */
+                                 int numsocks)
+{
+  const struct http_conn *c = &conn->proto.httpc;
+  struct SingleRequest *k = &conn->data->req;
+  int bitmap = GETSOCK_BLANK;
+  (void)numsocks;
+
+  /* TODO We should check underlying socket state if it is SSL socket
+     because of renegotiation. */
+  sock[0] = conn->sock[FIRSTSOCKET];
+
+  /* in a HTTP/2 connection we can basically always get a frame so we should
+     always be ready for one */
+  bitmap |= GETSOCK_READSOCK(FIRSTSOCKET);
+
+  /* we're still uploading or the HTTP/2 layer wants to send data */
+  if(((k->keepon & (KEEP_SEND|KEEP_SEND_PAUSE)) == KEEP_SEND) ||
+     nghttp2_session_want_write(c->h2))
+    bitmap |= GETSOCK_WRITESOCK(FIRSTSOCKET);
+
+  return bitmap;
+}
+
+static int http2_getsock(struct connectdata *conn,
+                         curl_socket_t *sock, /* points to numsocks
+                                                 number of sockets */
+                         int numsocks)
+{
+  return http2_perform_getsock(conn, sock, numsocks);
+}
+
+/*
+ * http2_stream_free() free HTTP2 stream related data
+ */
+static void http2_stream_free(struct HTTP *http)
+{
+  if(http) {
+    Curl_add_buffer_free(&http->header_recvbuf);
+    Curl_add_buffer_free(&http->trailer_recvbuf);
+    for(; http->push_headers_used > 0; --http->push_headers_used) {
+      free(http->push_headers[http->push_headers_used - 1]);
+    }
+    free(http->push_headers);
+    http->push_headers = NULL;
+  }
+}
+
+/*
+ * Disconnects *a* connection used for HTTP/2. It might be an old one from the
+ * connection cache and not the "main" one. Don't touch the easy handle!
+ */
+
+static CURLcode http2_disconnect(struct connectdata *conn,
+                                 bool dead_connection)
+{
+  struct http_conn *c = &conn->proto.httpc;
+  (void)dead_connection;
+
+  H2BUGF(infof(conn->data, "HTTP/2 DISCONNECT starts now\n"));
+
+  nghttp2_session_del(c->h2);
+  Curl_safefree(c->inbuf);
+
+  H2BUGF(infof(conn->data, "HTTP/2 DISCONNECT done\n"));
+
+  return CURLE_OK;
+}
+
+/*
+ * The server may send us data at any point (e.g. PING frames). Therefore,
+ * we cannot assume that an HTTP/2 socket is dead just because it is readable.
+ *
+ * Instead, if it is readable, run Curl_connalive() to peek at the socket
+ * and distinguish between closed and data.
+ */
+static bool http2_connisdead(struct connectdata *conn)
+{
+  int sval;
+  bool dead = TRUE;
+
+  if(conn->bits.close)
+    return TRUE;
+
+  sval = SOCKET_READABLE(conn->sock[FIRSTSOCKET], 0);
+  if(sval == 0) {
+    /* timeout */
+    dead = FALSE;
+  }
+  else if(sval & CURL_CSELECT_ERR) {
+    /* socket is in an error state */
+    dead = TRUE;
+  }
+  else if(sval & CURL_CSELECT_IN) {
+    /* readable with no error. could still be closed */
+    dead = !Curl_connalive(conn);
+    if(!dead) {
+      /* This happens before we've sent off a request and the connection is
+         not in use by any other transfer, there shouldn't be any data here,
+         only "protocol frames" */
+      CURLcode result;
+      struct http_conn *httpc = &conn->proto.httpc;
+      ssize_t nread = -1;
+      if(httpc->recv_underlying)
+        /* if called "too early", this pointer isn't setup yet! */
+        nread = ((Curl_recv *)httpc->recv_underlying)(
+          conn, FIRSTSOCKET, httpc->inbuf, H2_BUFSIZE, &result);
+      if(nread != -1) {
+        infof(conn->data,
+              "%d bytes stray data read before trying h2 connection\n",
+              (int)nread);
+        httpc->nread_inbuf = 0;
+        httpc->inbuflen = nread;
+        (void)h2_process_pending_input(conn, httpc, &result);
+      }
+      else
+        /* the read failed so let's say this is dead anyway */
+        dead = TRUE;
+    }
+  }
+
+  return dead;
+}
+
+static unsigned int http2_conncheck(struct connectdata *check,
+                                    unsigned int checks_to_perform)
+{
+  unsigned int ret_val = CONNRESULT_NONE;
+  struct http_conn *c = &check->proto.httpc;
+  int rc;
+  bool send_frames = false;
+
+  if(checks_to_perform & CONNCHECK_ISDEAD) {
+    if(http2_connisdead(check))
+      ret_val |= CONNRESULT_DEAD;
+  }
+
+  if(checks_to_perform & CONNCHECK_KEEPALIVE) {
+    struct curltime now = Curl_now();
+    time_t elapsed = Curl_timediff(now, check->keepalive);
+
+    if(elapsed > check->upkeep_interval_ms) {
+      /* Perform an HTTP/2 PING */
+      rc = nghttp2_submit_ping(c->h2, 0, ZERO_NULL);
+      if(!rc) {
+        /* Successfully added a PING frame to the session. Need to flag this
+           so the frame is sent. */
+        send_frames = true;
+      }
+      else {
+       failf(check->data, "nghttp2_submit_ping() failed: %s(%d)",
+             nghttp2_strerror(rc), rc);
+      }
+
+      check->keepalive = now;
+    }
+  }
+
+  if(send_frames) {
+    rc = nghttp2_session_send(c->h2);
+    if(rc)
+      failf(check->data, "nghttp2_session_send() failed: %s(%d)",
+            nghttp2_strerror(rc), rc);
+  }
+
+  return ret_val;
+}
+
+/* called from Curl_http_setup_conn */
+void Curl_http2_setup_req(struct Curl_easy *data)
+{
+  struct HTTP *http = data->req.protop;
+
+  http->nread_header_recvbuf = 0;
+  http->bodystarted = FALSE;
+  http->status_code = -1;
+  http->pausedata = NULL;
+  http->pauselen = 0;
+  http->closed = FALSE;
+  http->close_handled = FALSE;
+  http->mem = data->state.buffer;
+  http->len = data->set.buffer_size;
+  http->memlen = 0;
+}
+
+/* called from Curl_http_setup_conn */
+void Curl_http2_setup_conn(struct connectdata *conn)
+{
+  conn->proto.httpc.settings.max_concurrent_streams =
+    DEFAULT_MAX_CONCURRENT_STREAMS;
+  conn->proto.httpc.error_code = NGHTTP2_NO_ERROR;
+}
+
+/*
+ * HTTP2 handler interface. This isn't added to the general list of protocols
+ * but will be used at run-time when the protocol is dynamically switched from
+ * HTTP to HTTP2.
+ */
+static const struct Curl_handler Curl_handler_http2 = {
+  "HTTP",                               /* scheme */
+  ZERO_NULL,                            /* setup_connection */
+  Curl_http,                            /* do_it */
+  Curl_http_done,                       /* done */
+  ZERO_NULL,                            /* do_more */
+  ZERO_NULL,                            /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  http2_getsock,                        /* proto_getsock */
+  http2_getsock,                        /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  http2_perform_getsock,                /* perform_getsock */
+  http2_disconnect,                     /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  http2_conncheck,                      /* connection_check */
+  PORT_HTTP,                            /* defport */
+  CURLPROTO_HTTP,                       /* protocol */
+  PROTOPT_STREAM                        /* flags */
+};
+
+static const struct Curl_handler Curl_handler_http2_ssl = {
+  "HTTPS",                              /* scheme */
+  ZERO_NULL,                            /* setup_connection */
+  Curl_http,                            /* do_it */
+  Curl_http_done,                       /* done */
+  ZERO_NULL,                            /* do_more */
+  ZERO_NULL,                            /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  http2_getsock,                        /* proto_getsock */
+  http2_getsock,                        /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  http2_perform_getsock,                /* perform_getsock */
+  http2_disconnect,                     /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  http2_conncheck,                      /* connection_check */
+  PORT_HTTP,                            /* defport */
+  CURLPROTO_HTTPS,                      /* protocol */
+  PROTOPT_SSL | PROTOPT_STREAM          /* flags */
+};
+
+/*
+ * Store nghttp2 version info in this buffer, Prefix with a space.  Return
+ * total length written.
+ */
+int Curl_http2_ver(char *p, size_t len)
+{
+  nghttp2_info *h2 = nghttp2_version(0);
+  return msnprintf(p, len, " nghttp2/%s", h2->version_str);
+}
+
+/* HTTP/2 error code to name based on the Error Code Registry.
+https://tools.ietf.org/html/rfc7540#page-77
+nghttp2_error_code enums are identical.
+*/
+const char *Curl_http2_strerror(uint32_t err)
+{
+#ifndef NGHTTP2_HAS_HTTP2_STRERROR
+  const char *str[] = {
+    "NO_ERROR",             /* 0x0 */
+    "PROTOCOL_ERROR",       /* 0x1 */
+    "INTERNAL_ERROR",       /* 0x2 */
+    "FLOW_CONTROL_ERROR",   /* 0x3 */
+    "SETTINGS_TIMEOUT",     /* 0x4 */
+    "STREAM_CLOSED",        /* 0x5 */
+    "FRAME_SIZE_ERROR",     /* 0x6 */
+    "REFUSED_STREAM",       /* 0x7 */
+    "CANCEL",               /* 0x8 */
+    "COMPRESSION_ERROR",    /* 0x9 */
+    "CONNECT_ERROR",        /* 0xA */
+    "ENHANCE_YOUR_CALM",    /* 0xB */
+    "INADEQUATE_SECURITY",  /* 0xC */
+    "HTTP_1_1_REQUIRED"     /* 0xD */
+  };
+  return (err < sizeof(str) / sizeof(str[0])) ? str[err] : "unknown";
+#else
+  return nghttp2_http2_strerror(err);
+#endif
+}
+
+/*
+ * The implementation of nghttp2_send_callback type. Here we write |data| with
+ * size |length| to the network and return the number of bytes actually
+ * written. See the documentation of nghttp2_send_callback for the details.
+ */
+static ssize_t send_callback(nghttp2_session *h2,
+                             const uint8_t *data, size_t length, int flags,
+                             void *userp)
+{
+  struct connectdata *conn = (struct connectdata *)userp;
+  struct http_conn *c = &conn->proto.httpc;
+  ssize_t written;
+  CURLcode result = CURLE_OK;
+
+  (void)h2;
+  (void)flags;
+
+  if(!c->send_underlying)
+    /* called before setup properly! */
+    return NGHTTP2_ERR_CALLBACK_FAILURE;
+
+  written = ((Curl_send*)c->send_underlying)(conn, FIRSTSOCKET,
+                                             data, length, &result);
+
+  if(result == CURLE_AGAIN) {
+    return NGHTTP2_ERR_WOULDBLOCK;
+  }
+
+  if(written == -1) {
+    failf(conn->data, "Failed sending HTTP2 data");
+    return NGHTTP2_ERR_CALLBACK_FAILURE;
+  }
+
+  if(!written)
+    return NGHTTP2_ERR_WOULDBLOCK;
+
+  return written;
+}
+
+
+/* We pass a pointer to this struct in the push callback, but the contents of
+   the struct are hidden from the user. */
+struct curl_pushheaders {
+  struct Curl_easy *data;
+  const nghttp2_push_promise *frame;
+};
+
+/*
+ * push header access function. Only to be used from within the push callback
+ */
+char *curl_pushheader_bynum(struct curl_pushheaders *h, size_t num)
+{
+  /* Verify that we got a good easy handle in the push header struct, mostly to
+     detect rubbish input fast(er). */
+  if(!h || !GOOD_EASY_HANDLE(h->data))
+    return NULL;
+  else {
+    struct HTTP *stream = h->data->req.protop;
+    if(num < stream->push_headers_used)
+      return stream->push_headers[num];
+  }
+  return NULL;
+}
+
+/*
+ * push header access function. Only to be used from within the push callback
+ */
+char *curl_pushheader_byname(struct curl_pushheaders *h, const char *header)
+{
+  /* Verify that we got a good easy handle in the push header struct,
+     mostly to detect rubbish input fast(er). Also empty header name
+     is just a rubbish too. We have to allow ":" at the beginning of
+     the header, but header == ":" must be rejected. If we have ':' in
+     the middle of header, it could be matched in middle of the value,
+     this is because we do prefix match.*/
+  if(!h || !GOOD_EASY_HANDLE(h->data) || !header || !header[0] ||
+     !strcmp(header, ":") || strchr(header + 1, ':'))
+    return NULL;
+  else {
+    struct HTTP *stream = h->data->req.protop;
+    size_t len = strlen(header);
+    size_t i;
+    for(i = 0; i<stream->push_headers_used; i++) {
+      if(!strncmp(header, stream->push_headers[i], len)) {
+        /* sub-match, make sure that it is followed by a colon */
+        if(stream->push_headers[i][len] != ':')
+          continue;
+        return &stream->push_headers[i][len + 1];
+      }
+    }
+  }
+  return NULL;
+}
+
+/*
+ * This specific transfer on this connection has been "drained".
+ */
+static void drained_transfer(struct Curl_easy *data,
+                             struct http_conn *httpc)
+{
+  DEBUGASSERT(httpc->drain_total >= data->state.drain);
+  httpc->drain_total -= data->state.drain;
+  data->state.drain = 0;
+}
+
+/*
+ * Mark this transfer to get "drained".
+ */
+static void drain_this(struct Curl_easy *data,
+                       struct http_conn *httpc)
+{
+  data->state.drain++;
+  httpc->drain_total++;
+  DEBUGASSERT(httpc->drain_total >= data->state.drain);
+}
+
+static struct Curl_easy *duphandle(struct Curl_easy *data)
+{
+  struct Curl_easy *second = curl_easy_duphandle(data);
+  if(second) {
+    /* setup the request struct */
+    struct HTTP *http = calloc(1, sizeof(struct HTTP));
+    if(!http) {
+      (void)Curl_close(second);
+      second = NULL;
+    }
+    else {
+      second->req.protop = http;
+      http->header_recvbuf = Curl_add_buffer_init();
+      if(!http->header_recvbuf) {
+        free(http);
+        (void)Curl_close(second);
+        second = NULL;
+      }
+      else {
+        Curl_http2_setup_req(second);
+        second->state.stream_weight = data->state.stream_weight;
+      }
+    }
+  }
+  return second;
+}
+
+
+static int push_promise(struct Curl_easy *data,
+                        struct connectdata *conn,
+                        const nghttp2_push_promise *frame)
+{
+  int rv;
+  H2BUGF(infof(data, "PUSH_PROMISE received, stream %u!\n",
+               frame->promised_stream_id));
+  if(data->multi->push_cb) {
+    struct HTTP *stream;
+    struct HTTP *newstream;
+    struct curl_pushheaders heads;
+    CURLMcode rc;
+    struct http_conn *httpc;
+    size_t i;
+    /* clone the parent */
+    struct Curl_easy *newhandle = duphandle(data);
+    if(!newhandle) {
+      infof(data, "failed to duplicate handle\n");
+      rv = 1; /* FAIL HARD */
+      goto fail;
+    }
+
+    heads.data = data;
+    heads.frame = frame;
+    /* ask the application */
+    H2BUGF(infof(data, "Got PUSH_PROMISE, ask application!\n"));
+
+    stream = data->req.protop;
+    if(!stream) {
+      failf(data, "Internal NULL stream!\n");
+      (void)Curl_close(newhandle);
+      rv = 1;
+      goto fail;
+    }
+
+    Curl_set_in_callback(data, true);
+    rv = data->multi->push_cb(data, newhandle,
+                              stream->push_headers_used, &heads,
+                              data->multi->push_userp);
+    Curl_set_in_callback(data, false);
+
+    /* free the headers again */
+    for(i = 0; i<stream->push_headers_used; i++)
+      free(stream->push_headers[i]);
+    free(stream->push_headers);
+    stream->push_headers = NULL;
+    stream->push_headers_used = 0;
+
+    if(rv) {
+      /* denied, kill off the new handle again */
+      http2_stream_free(newhandle->req.protop);
+      newhandle->req.protop = NULL;
+      (void)Curl_close(newhandle);
+      goto fail;
+    }
+
+    newstream = newhandle->req.protop;
+    newstream->stream_id = frame->promised_stream_id;
+    newhandle->req.maxdownload = -1;
+    newhandle->req.size = -1;
+
+    /* approved, add to the multi handle and immediately switch to PERFORM
+       state with the given connection !*/
+    rc = Curl_multi_add_perform(data->multi, newhandle, conn);
+    if(rc) {
+      infof(data, "failed to add handle to multi\n");
+      http2_stream_free(newhandle->req.protop);
+      newhandle->req.protop = NULL;
+      Curl_close(newhandle);
+      rv = 1;
+      goto fail;
+    }
+
+    httpc = &conn->proto.httpc;
+    rv = nghttp2_session_set_stream_user_data(httpc->h2,
+                                              frame->promised_stream_id,
+                                              newhandle);
+    if(rv) {
+      infof(data, "failed to set user_data for stream %d\n",
+            frame->promised_stream_id);
+      DEBUGASSERT(0);
+      goto fail;
+    }
+  }
+  else {
+    H2BUGF(infof(data, "Got PUSH_PROMISE, ignore it!\n"));
+    rv = 1;
+  }
+  fail:
+  return rv;
+}
+
+static int on_frame_recv(nghttp2_session *session, const nghttp2_frame *frame,
+                         void *userp)
+{
+  struct connectdata *conn = (struct connectdata *)userp;
+  struct http_conn *httpc = &conn->proto.httpc;
+  struct Curl_easy *data_s = NULL;
+  struct HTTP *stream = NULL;
+  int rv;
+  size_t left, ncopy;
+  int32_t stream_id = frame->hd.stream_id;
+  CURLcode result;
+
+  if(!stream_id) {
+    /* stream ID zero is for connection-oriented stuff */
+    if(frame->hd.type == NGHTTP2_SETTINGS) {
+      uint32_t max_conn = httpc->settings.max_concurrent_streams;
+      H2BUGF(infof(conn->data, "Got SETTINGS\n"));
+      httpc->settings.max_concurrent_streams =
+        nghttp2_session_get_remote_settings(
+          session, NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS);
+      httpc->settings.enable_push =
+        nghttp2_session_get_remote_settings(
+          session, NGHTTP2_SETTINGS_ENABLE_PUSH);
+      H2BUGF(infof(conn->data, "MAX_CONCURRENT_STREAMS == %d\n",
+                   httpc->settings.max_concurrent_streams));
+      H2BUGF(infof(conn->data, "ENABLE_PUSH == %s\n",
+                   httpc->settings.enable_push?"TRUE":"false"));
+      if(max_conn != httpc->settings.max_concurrent_streams) {
+        /* only signal change if the value actually changed */
+        infof(conn->data,
+              "Connection state changed (MAX_CONCURRENT_STREAMS == %u)!\n",
+              httpc->settings.max_concurrent_streams);
+        Curl_multi_connchanged(conn->data->multi);
+      }
+    }
+    return 0;
+  }
+  data_s = nghttp2_session_get_stream_user_data(session, stream_id);
+  if(!data_s) {
+    H2BUGF(infof(conn->data,
+                 "No Curl_easy associated with stream: %x\n",
+                 stream_id));
+    return 0;
+  }
+
+  stream = data_s->req.protop;
+  if(!stream) {
+    H2BUGF(infof(data_s, "No proto pointer for stream: %x\n",
+                 stream_id));
+    return NGHTTP2_ERR_CALLBACK_FAILURE;
+  }
+
+  H2BUGF(infof(data_s, "on_frame_recv() header %x stream %x\n",
+               frame->hd.type, stream_id));
+
+  switch(frame->hd.type) {
+  case NGHTTP2_DATA:
+    /* If body started on this stream, then receiving DATA is illegal. */
+    if(!stream->bodystarted) {
+      rv = nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE,
+                                     stream_id, NGHTTP2_PROTOCOL_ERROR);
+
+      if(nghttp2_is_fatal(rv)) {
+        return NGHTTP2_ERR_CALLBACK_FAILURE;
+      }
+    }
+    break;
+  case NGHTTP2_HEADERS:
+    if(stream->bodystarted) {
+      /* Only valid HEADERS after body started is trailer HEADERS.  We
+         buffer them in on_header callback. */
+      break;
+    }
+
+    /* nghttp2 guarantees that :status is received, and we store it to
+       stream->status_code. Fuzzing has proven this can still be reached
+       without status code having been set. */
+    if(stream->status_code == -1)
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+
+    /* Only final status code signals the end of header */
+    if(stream->status_code / 100 != 1) {
+      stream->bodystarted = TRUE;
+      stream->status_code = -1;
+    }
+
+    result = Curl_add_buffer(&stream->header_recvbuf, "\r\n", 2);
+    if(result)
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+
+    left = stream->header_recvbuf->size_used - stream->nread_header_recvbuf;
+    ncopy = CURLMIN(stream->len, left);
+
+    memcpy(&stream->mem[stream->memlen],
+           stream->header_recvbuf->buffer + stream->nread_header_recvbuf,
+           ncopy);
+    stream->nread_header_recvbuf += ncopy;
+
+    H2BUGF(infof(data_s, "Store %zu bytes headers from stream %u at %p\n",
+                 ncopy, stream_id, stream->mem));
+
+    stream->len -= ncopy;
+    stream->memlen += ncopy;
+
+    drain_this(data_s, httpc);
+    {
+      /* get the pointer from userp again since it was re-assigned above */
+      struct connectdata *conn_s = (struct connectdata *)userp;
+
+      /* if we receive data for another handle, wake that up */
+      if(conn_s->data != data_s)
+        Curl_expire(data_s, 0, EXPIRE_RUN_NOW);
+    }
+    break;
+  case NGHTTP2_PUSH_PROMISE:
+    rv = push_promise(data_s, conn, &frame->push_promise);
+    if(rv) { /* deny! */
+      rv = nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE,
+                                     frame->push_promise.promised_stream_id,
+                                     NGHTTP2_CANCEL);
+      if(nghttp2_is_fatal(rv)) {
+        return rv;
+      }
+    }
+    break;
+  default:
+    H2BUGF(infof(data_s, "Got frame type %x for stream %u!\n",
+                 frame->hd.type, stream_id));
+    break;
+  }
+  return 0;
+}
+
+static int on_data_chunk_recv(nghttp2_session *session, uint8_t flags,
+                              int32_t stream_id,
+                              const uint8_t *data, size_t len, void *userp)
+{
+  struct HTTP *stream;
+  struct Curl_easy *data_s;
+  size_t nread;
+  struct connectdata *conn = (struct connectdata *)userp;
+  (void)session;
+  (void)flags;
+  (void)data;
+
+  DEBUGASSERT(stream_id); /* should never be a zero stream ID here */
+
+  /* get the stream from the hash based on Stream ID */
+  data_s = nghttp2_session_get_stream_user_data(session, stream_id);
+  if(!data_s)
+    /* Receiving a Stream ID not in the hash should not happen, this is an
+       internal error more than anything else! */
+    return NGHTTP2_ERR_CALLBACK_FAILURE;
+
+  stream = data_s->req.protop;
+  if(!stream)
+    return NGHTTP2_ERR_CALLBACK_FAILURE;
+
+  nread = CURLMIN(stream->len, len);
+  memcpy(&stream->mem[stream->memlen], data, nread);
+
+  stream->len -= nread;
+  stream->memlen += nread;
+
+  drain_this(data_s, &conn->proto.httpc);
+
+  /* if we receive data for another handle, wake that up */
+  if(conn->data != data_s)
+    Curl_expire(data_s, 0, EXPIRE_RUN_NOW);
+
+  H2BUGF(infof(data_s, "%zu data received for stream %u "
+               "(%zu left in buffer %p, total %zu)\n",
+               nread, stream_id,
+               stream->len, stream->mem,
+               stream->memlen));
+
+  if(nread < len) {
+    stream->pausedata = data + nread;
+    stream->pauselen = len - nread;
+    H2BUGF(infof(data_s, "NGHTTP2_ERR_PAUSE - %zu bytes out of buffer"
+                 ", stream %u\n",
+                 len - nread, stream_id));
+    data_s->conn->proto.httpc.pause_stream_id = stream_id;
+
+    return NGHTTP2_ERR_PAUSE;
+  }
+
+  /* pause execution of nghttp2 if we received data for another handle
+     in order to process them first. */
+  if(conn->data != data_s) {
+    data_s->conn->proto.httpc.pause_stream_id = stream_id;
+
+    return NGHTTP2_ERR_PAUSE;
+  }
+
+  return 0;
+}
+
+static int on_stream_close(nghttp2_session *session, int32_t stream_id,
+                           uint32_t error_code, void *userp)
+{
+  struct Curl_easy *data_s;
+  struct HTTP *stream;
+  struct connectdata *conn = (struct connectdata *)userp;
+  int rv;
+  (void)session;
+  (void)stream_id;
+
+  if(stream_id) {
+    struct http_conn *httpc;
+    /* get the stream from the hash based on Stream ID, stream ID zero is for
+       connection-oriented stuff */
+    data_s = nghttp2_session_get_stream_user_data(session, stream_id);
+    if(!data_s) {
+      /* We could get stream ID not in the hash.  For example, if we
+         decided to reject stream (e.g., PUSH_PROMISE). */
+      return 0;
+    }
+    H2BUGF(infof(data_s, "on_stream_close(), %s (err %d), stream %u\n",
+                 Curl_http2_strerror(error_code), error_code, stream_id));
+    stream = data_s->req.protop;
+    if(!stream)
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+
+    stream->closed = TRUE;
+    httpc = &conn->proto.httpc;
+    drain_this(data_s, httpc);
+    httpc->error_code = error_code;
+
+    /* remove the entry from the hash as the stream is now gone */
+    rv = nghttp2_session_set_stream_user_data(session, stream_id, 0);
+    if(rv) {
+      infof(data_s, "http/2: failed to clear user_data for stream %d!\n",
+            stream_id);
+      DEBUGASSERT(0);
+    }
+    if(stream_id == httpc->pause_stream_id) {
+      H2BUGF(infof(data_s, "Stopped the pause stream!\n"));
+      httpc->pause_stream_id = 0;
+    }
+    H2BUGF(infof(data_s, "Removed stream %u hash!\n", stream_id));
+    stream->stream_id = 0; /* cleared */
+  }
+  return 0;
+}
+
+static int on_begin_headers(nghttp2_session *session,
+                            const nghttp2_frame *frame, void *userp)
+{
+  struct HTTP *stream;
+  struct Curl_easy *data_s = NULL;
+  (void)userp;
+
+  data_s = nghttp2_session_get_stream_user_data(session, frame->hd.stream_id);
+  if(!data_s) {
+    return 0;
+  }
+
+  H2BUGF(infof(data_s, "on_begin_headers() was called\n"));
+
+  if(frame->hd.type != NGHTTP2_HEADERS) {
+    return 0;
+  }
+
+  stream = data_s->req.protop;
+  if(!stream || !stream->bodystarted) {
+    return 0;
+  }
+
+  if(!stream->trailer_recvbuf) {
+    stream->trailer_recvbuf = Curl_add_buffer_init();
+    if(!stream->trailer_recvbuf) {
+      return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
+    }
+  }
+  return 0;
+}
+
+/* Decode HTTP status code.  Returns -1 if no valid status code was
+   decoded. */
+static int decode_status_code(const uint8_t *value, size_t len)
+{
+  int i;
+  int res;
+
+  if(len != 3) {
+    return -1;
+  }
+
+  res = 0;
+
+  for(i = 0; i < 3; ++i) {
+    char c = value[i];
+
+    if(c < '0' || c > '9') {
+      return -1;
+    }
+
+    res *= 10;
+    res += c - '0';
+  }
+
+  return res;
+}
+
+/* frame->hd.type is either NGHTTP2_HEADERS or NGHTTP2_PUSH_PROMISE */
+static int on_header(nghttp2_session *session, const nghttp2_frame *frame,
+                     const uint8_t *name, size_t namelen,
+                     const uint8_t *value, size_t valuelen,
+                     uint8_t flags,
+                     void *userp)
+{
+  struct HTTP *stream;
+  struct Curl_easy *data_s;
+  int32_t stream_id = frame->hd.stream_id;
+  struct connectdata *conn = (struct connectdata *)userp;
+  CURLcode result;
+  (void)flags;
+
+  DEBUGASSERT(stream_id); /* should never be a zero stream ID here */
+
+  /* get the stream from the hash based on Stream ID */
+  data_s = nghttp2_session_get_stream_user_data(session, stream_id);
+  if(!data_s)
+    /* Receiving a Stream ID not in the hash should not happen, this is an
+       internal error more than anything else! */
+    return NGHTTP2_ERR_CALLBACK_FAILURE;
+
+  stream = data_s->req.protop;
+  if(!stream) {
+    failf(data_s, "Internal NULL stream! 5\n");
+    return NGHTTP2_ERR_CALLBACK_FAILURE;
+  }
+
+  /* Store received PUSH_PROMISE headers to be used when the subsequent
+     PUSH_PROMISE callback comes */
+  if(frame->hd.type == NGHTTP2_PUSH_PROMISE) {
+    char *h;
+
+    if(!stream->push_headers) {
+      stream->push_headers_alloc = 10;
+      stream->push_headers = malloc(stream->push_headers_alloc *
+                                    sizeof(char *));
+      if(!stream->push_headers)
+        return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
+      stream->push_headers_used = 0;
+    }
+    else if(stream->push_headers_used ==
+            stream->push_headers_alloc) {
+      char **headp;
+      stream->push_headers_alloc *= 2;
+      headp = Curl_saferealloc(stream->push_headers,
+                               stream->push_headers_alloc * sizeof(char *));
+      if(!headp) {
+        stream->push_headers = NULL;
+        return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
+      }
+      stream->push_headers = headp;
+    }
+    h = aprintf("%s:%s", name, value);
+    if(h)
+      stream->push_headers[stream->push_headers_used++] = h;
+    return 0;
+  }
+
+  if(stream->bodystarted) {
+    /* This is trailer fields. */
+    /* 4 is for ": " and "\r\n". */
+    uint32_t n = (uint32_t)(namelen + valuelen + 4);
+
+    H2BUGF(infof(data_s, "h2 trailer: %.*s: %.*s\n", namelen, name, valuelen,
+                 value));
+
+    result = Curl_add_buffer(&stream->trailer_recvbuf, &n, sizeof(n));
+    if(result)
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+    result = Curl_add_buffer(&stream->trailer_recvbuf, name, namelen);
+    if(result)
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+    result = Curl_add_buffer(&stream->trailer_recvbuf, ": ", 2);
+    if(result)
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+    result = Curl_add_buffer(&stream->trailer_recvbuf, value, valuelen);
+    if(result)
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+    result = Curl_add_buffer(&stream->trailer_recvbuf, "\r\n\0", 3);
+    if(result)
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+
+    return 0;
+  }
+
+  if(namelen == sizeof(":status") - 1 &&
+     memcmp(":status", name, namelen) == 0) {
+    /* nghttp2 guarantees :status is received first and only once, and
+       value is 3 digits status code, and decode_status_code always
+       succeeds. */
+    stream->status_code = decode_status_code(value, valuelen);
+    DEBUGASSERT(stream->status_code != -1);
+
+    result = Curl_add_buffer(&stream->header_recvbuf, "HTTP/2 ", 7);
+    if(result)
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+    result = Curl_add_buffer(&stream->header_recvbuf, value, valuelen);
+    if(result)
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+    /* the space character after the status code is mandatory */
+    result = Curl_add_buffer(&stream->header_recvbuf, " \r\n", 3);
+    if(result)
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+    /* if we receive data for another handle, wake that up */
+    if(conn->data != data_s)
+      Curl_expire(data_s, 0, EXPIRE_RUN_NOW);
+
+    H2BUGF(infof(data_s, "h2 status: HTTP/2 %03d (easy %p)\n",
+                 stream->status_code, data_s));
+    return 0;
+  }
+
+  /* nghttp2 guarantees that namelen > 0, and :status was already
+     received, and this is not pseudo-header field . */
+  /* convert to a HTTP1-style header */
+  result = Curl_add_buffer(&stream->header_recvbuf, name, namelen);
+  if(result)
+    return NGHTTP2_ERR_CALLBACK_FAILURE;
+  result = Curl_add_buffer(&stream->header_recvbuf, ": ", 2);
+  if(result)
+    return NGHTTP2_ERR_CALLBACK_FAILURE;
+  result = Curl_add_buffer(&stream->header_recvbuf, value, valuelen);
+  if(result)
+    return NGHTTP2_ERR_CALLBACK_FAILURE;
+  result = Curl_add_buffer(&stream->header_recvbuf, "\r\n", 2);
+  if(result)
+    return NGHTTP2_ERR_CALLBACK_FAILURE;
+  /* if we receive data for another handle, wake that up */
+  if(conn->data != data_s)
+    Curl_expire(data_s, 0, EXPIRE_RUN_NOW);
+
+  H2BUGF(infof(data_s, "h2 header: %.*s: %.*s\n", namelen, name, valuelen,
+               value));
+
+  return 0; /* 0 is successful */
+}
+
+static ssize_t data_source_read_callback(nghttp2_session *session,
+                                         int32_t stream_id,
+                                         uint8_t *buf, size_t length,
+                                         uint32_t *data_flags,
+                                         nghttp2_data_source *source,
+                                         void *userp)
+{
+  struct Curl_easy *data_s;
+  struct HTTP *stream = NULL;
+  size_t nread;
+  (void)source;
+  (void)userp;
+
+  if(stream_id) {
+    /* get the stream from the hash based on Stream ID, stream ID zero is for
+       connection-oriented stuff */
+    data_s = nghttp2_session_get_stream_user_data(session, stream_id);
+    if(!data_s)
+      /* Receiving a Stream ID not in the hash should not happen, this is an
+         internal error more than anything else! */
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+
+    stream = data_s->req.protop;
+    if(!stream)
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+  }
+  else
+    return NGHTTP2_ERR_INVALID_ARGUMENT;
+
+  nread = CURLMIN(stream->upload_len, length);
+  if(nread > 0) {
+    memcpy(buf, stream->upload_mem, nread);
+    stream->upload_mem += nread;
+    stream->upload_len -= nread;
+    if(data_s->state.infilesize != -1)
+      stream->upload_left -= nread;
+  }
+
+  if(stream->upload_left == 0)
+    *data_flags = NGHTTP2_DATA_FLAG_EOF;
+  else if(nread == 0)
+    return NGHTTP2_ERR_DEFERRED;
+
+  H2BUGF(infof(data_s, "data_source_read_callback: "
+               "returns %zu bytes stream %u\n",
+               nread, stream_id));
+
+  return nread;
+}
+
+#if defined(NGHTTP2_HAS_ERROR_CALLBACK) &&      \
+  !defined(CURL_DISABLE_VERBOSE_STRINGS)
+static int error_callback(nghttp2_session *session,
+                          const char *msg,
+                          size_t len,
+                          void *userp)
+{
+  struct connectdata *conn = (struct connectdata *)userp;
+  (void)session;
+  infof(conn->data, "http2 error: %.*s\n", len, msg);
+  return 0;
+}
+#endif
+
+static void populate_settings(struct connectdata *conn,
+                              struct http_conn *httpc)
+{
+  nghttp2_settings_entry *iv = httpc->local_settings;
+
+  iv[0].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS;
+  iv[0].value = 100;
+
+  iv[1].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE;
+  iv[1].value = HTTP2_HUGE_WINDOW_SIZE;
+
+  iv[2].settings_id = NGHTTP2_SETTINGS_ENABLE_PUSH;
+  iv[2].value = conn->data->multi->push_cb != NULL;
+
+  httpc->local_settings_num = 3;
+}
+
+void Curl_http2_done(struct connectdata *conn, bool premature)
+{
+  struct Curl_easy *data = conn->data;
+  struct HTTP *http = data->req.protop;
+  struct http_conn *httpc = &conn->proto.httpc;
+
+  /* there might be allocated resources done before this got the 'h2' pointer
+     setup */
+  if(http->header_recvbuf) {
+    Curl_add_buffer_free(&http->header_recvbuf);
+    Curl_add_buffer_free(&http->trailer_recvbuf);
+    if(http->push_headers) {
+      /* if they weren't used and then freed before */
+      for(; http->push_headers_used > 0; --http->push_headers_used) {
+        free(http->push_headers[http->push_headers_used - 1]);
+      }
+      free(http->push_headers);
+      http->push_headers = NULL;
+    }
+  }
+
+  if(!httpc->h2) /* not HTTP/2 ? */
+    return;
+
+  if(data->state.drain)
+    drained_transfer(data, httpc);
+
+  if(premature) {
+    /* RST_STREAM */
+    if(!nghttp2_submit_rst_stream(httpc->h2, NGHTTP2_FLAG_NONE,
+                                  http->stream_id, NGHTTP2_STREAM_CLOSED))
+      (void)nghttp2_session_send(httpc->h2);
+
+    if(http->stream_id == httpc->pause_stream_id) {
+      infof(data, "stopped the pause stream!\n");
+      httpc->pause_stream_id = 0;
+    }
+  }
+  /* -1 means unassigned and 0 means cleared */
+  if(http->stream_id > 0) {
+    int rv = nghttp2_session_set_stream_user_data(httpc->h2,
+                                                  http->stream_id, 0);
+    if(rv) {
+      infof(data, "http/2: failed to clear user_data for stream %d!\n",
+            http->stream_id);
+      DEBUGASSERT(0);
+    }
+    http->stream_id = 0;
+  }
+}
+
+/*
+ * Initialize nghttp2 for a Curl connection
+ */
+CURLcode Curl_http2_init(struct connectdata *conn)
+{
+  if(!conn->proto.httpc.h2) {
+    int rc;
+    nghttp2_session_callbacks *callbacks;
+
+    conn->proto.httpc.inbuf = malloc(H2_BUFSIZE);
+    if(conn->proto.httpc.inbuf == NULL)
+      return CURLE_OUT_OF_MEMORY;
+
+    rc = nghttp2_session_callbacks_new(&callbacks);
+
+    if(rc) {
+      failf(conn->data, "Couldn't initialize nghttp2 callbacks!");
+      return CURLE_OUT_OF_MEMORY; /* most likely at least */
+    }
+
+    /* nghttp2_send_callback */
+    nghttp2_session_callbacks_set_send_callback(callbacks, send_callback);
+    /* nghttp2_on_frame_recv_callback */
+    nghttp2_session_callbacks_set_on_frame_recv_callback
+      (callbacks, on_frame_recv);
+    /* nghttp2_on_data_chunk_recv_callback */
+    nghttp2_session_callbacks_set_on_data_chunk_recv_callback
+      (callbacks, on_data_chunk_recv);
+    /* nghttp2_on_stream_close_callback */
+    nghttp2_session_callbacks_set_on_stream_close_callback
+      (callbacks, on_stream_close);
+    /* nghttp2_on_begin_headers_callback */
+    nghttp2_session_callbacks_set_on_begin_headers_callback
+      (callbacks, on_begin_headers);
+    /* nghttp2_on_header_callback */
+    nghttp2_session_callbacks_set_on_header_callback(callbacks, on_header);
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+    nghttp2_session_callbacks_set_error_callback(callbacks, error_callback);
+#endif
+
+    /* The nghttp2 session is not yet setup, do it */
+    rc = nghttp2_session_client_new(&conn->proto.httpc.h2, callbacks, conn);
+
+    nghttp2_session_callbacks_del(callbacks);
+
+    if(rc) {
+      failf(conn->data, "Couldn't initialize nghttp2!");
+      return CURLE_OUT_OF_MEMORY; /* most likely at least */
+    }
+  }
+  return CURLE_OK;
+}
+
+/*
+ * Append headers to ask for a HTTP1.1 to HTTP2 upgrade.
+ */
+CURLcode Curl_http2_request_upgrade(Curl_send_buffer *req,
+                                    struct connectdata *conn)
+{
+  CURLcode result;
+  ssize_t binlen;
+  char *base64;
+  size_t blen;
+  struct SingleRequest *k = &conn->data->req;
+  uint8_t *binsettings = conn->proto.httpc.binsettings;
+  struct http_conn *httpc = &conn->proto.httpc;
+
+  populate_settings(conn, httpc);
+
+  /* this returns number of bytes it wrote */
+  binlen = nghttp2_pack_settings_payload(binsettings, H2_BINSETTINGS_LEN,
+                                         httpc->local_settings,
+                                         httpc->local_settings_num);
+  if(!binlen) {
+    failf(conn->data, "nghttp2 unexpectedly failed on pack_settings_payload");
+    Curl_add_buffer_free(&req);
+    return CURLE_FAILED_INIT;
+  }
+  conn->proto.httpc.binlen = binlen;
+
+  result = Curl_base64url_encode(conn->data, (const char *)binsettings, binlen,
+                                 &base64, &blen);
+  if(result) {
+    Curl_add_buffer_free(&req);
+    return result;
+  }
+
+  result = Curl_add_bufferf(&req,
+                            "Connection: Upgrade, HTTP2-Settings\r\n"
+                            "Upgrade: %s\r\n"
+                            "HTTP2-Settings: %s\r\n",
+                            NGHTTP2_CLEARTEXT_PROTO_VERSION_ID, base64);
+  free(base64);
+
+  k->upgr101 = UPGR101_REQUESTED;
+
+  return result;
+}
+
+/*
+ * Returns nonzero if current HTTP/2 session should be closed.
+ */
+static int should_close_session(struct http_conn *httpc)
+{
+  return httpc->drain_total == 0 && !nghttp2_session_want_read(httpc->h2) &&
+    !nghttp2_session_want_write(httpc->h2);
+}
+
+/*
+ * h2_process_pending_input() processes pending input left in
+ * httpc->inbuf.  Then, call h2_session_send() to send pending data.
+ * This function returns 0 if it succeeds, or -1 and error code will
+ * be assigned to *err.
+ */
+static int h2_process_pending_input(struct connectdata *conn,
+                                    struct http_conn *httpc,
+                                    CURLcode *err)
+{
+  ssize_t nread;
+  char *inbuf;
+  ssize_t rv;
+  struct Curl_easy *data = conn->data;
+
+  nread = httpc->inbuflen - httpc->nread_inbuf;
+  inbuf = httpc->inbuf + httpc->nread_inbuf;
+
+  rv = nghttp2_session_mem_recv(httpc->h2, (const uint8_t *)inbuf, nread);
+  if(rv < 0) {
+    failf(data,
+          "h2_process_pending_input: nghttp2_session_mem_recv() returned "
+          "%zd:%s\n", rv, nghttp2_strerror((int)rv));
+    *err = CURLE_RECV_ERROR;
+    return -1;
+  }
+
+  if(nread == rv) {
+    H2BUGF(infof(data,
+                 "h2_process_pending_input: All data in connection buffer "
+                 "processed\n"));
+    httpc->inbuflen = 0;
+    httpc->nread_inbuf = 0;
+  }
+  else {
+    httpc->nread_inbuf += rv;
+    H2BUGF(infof(data,
+                 "h2_process_pending_input: %zu bytes left in connection "
+                 "buffer\n",
+                 httpc->inbuflen - httpc->nread_inbuf));
+  }
+
+  rv = h2_session_send(data, httpc->h2);
+  if(rv != 0) {
+    *err = CURLE_SEND_ERROR;
+    return -1;
+  }
+
+  if(should_close_session(httpc)) {
+    H2BUGF(infof(data,
+                 "h2_process_pending_input: nothing to do in this session\n"));
+    if(httpc->error_code)
+      *err = CURLE_HTTP2;
+    else {
+      /* not an error per se, but should still close the connection */
+      connclose(conn, "GOAWAY received");
+      *err = CURLE_OK;
+    }
+    return -1;
+  }
+
+  return 0;
+}
+
+/*
+ * Called from transfer.c:done_sending when we stop uploading.
+ */
+CURLcode Curl_http2_done_sending(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+
+  if((conn->handler == &Curl_handler_http2_ssl) ||
+     (conn->handler == &Curl_handler_http2)) {
+    /* make sure this is only attempted for HTTP/2 transfers */
+
+    struct HTTP *stream = conn->data->req.protop;
+
+    if(stream->upload_left) {
+      /* If the stream still thinks there's data left to upload. */
+      struct http_conn *httpc = &conn->proto.httpc;
+      nghttp2_session *h2 = httpc->h2;
+
+      stream->upload_left = 0; /* DONE! */
+
+      /* resume sending here to trigger the callback to get called again so
+         that it can signal EOF to nghttp2 */
+      (void)nghttp2_session_resume_data(h2, stream->stream_id);
+
+      (void)h2_process_pending_input(conn, httpc, &result);
+    }
+  }
+  return result;
+}
+
+static ssize_t http2_handle_stream_close(struct connectdata *conn,
+                                         struct Curl_easy *data,
+                                         struct HTTP *stream, CURLcode *err)
+{
+  char *trailer_pos, *trailer_end;
+  CURLcode result;
+  struct http_conn *httpc = &conn->proto.httpc;
+
+  if(httpc->pause_stream_id == stream->stream_id) {
+    httpc->pause_stream_id = 0;
+  }
+
+  drained_transfer(data, httpc);
+
+  if(httpc->pause_stream_id == 0) {
+    if(h2_process_pending_input(conn, httpc, err) != 0) {
+      return -1;
+    }
+  }
+
+  DEBUGASSERT(data->state.drain == 0);
+
+  /* Reset to FALSE to prevent infinite loop in readwrite_data function. */
+  stream->closed = FALSE;
+  if(httpc->error_code == NGHTTP2_REFUSED_STREAM) {
+    H2BUGF(infof(data, "REFUSED_STREAM (%d), try again on a new connection!\n",
+                 stream->stream_id));
+    connclose(conn, "REFUSED_STREAM"); /* don't use this anymore */
+    data->state.refused_stream = TRUE;
+    *err = CURLE_RECV_ERROR; /* trigger Curl_retry_request() later */
+    return -1;
+  }
+  else if(httpc->error_code != NGHTTP2_NO_ERROR) {
+    failf(data, "HTTP/2 stream %d was not closed cleanly: %s (err %u)",
+          stream->stream_id, Curl_http2_strerror(httpc->error_code),
+          httpc->error_code);
+    *err = CURLE_HTTP2_STREAM;
+    return -1;
+  }
+
+  if(!stream->bodystarted) {
+    failf(data, "HTTP/2 stream %d was closed cleanly, but before getting "
+          " all response header fields, treated as error",
+          stream->stream_id);
+    *err = CURLE_HTTP2_STREAM;
+    return -1;
+  }
+
+  if(stream->trailer_recvbuf && stream->trailer_recvbuf->buffer) {
+    trailer_pos = stream->trailer_recvbuf->buffer;
+    trailer_end = trailer_pos + stream->trailer_recvbuf->size_used;
+
+    for(; trailer_pos < trailer_end;) {
+      uint32_t n;
+      memcpy(&n, trailer_pos, sizeof(n));
+      trailer_pos += sizeof(n);
+
+      result = Curl_client_write(conn, CLIENTWRITE_HEADER, trailer_pos, n);
+      if(result) {
+        *err = result;
+        return -1;
+      }
+
+      trailer_pos += n + 1;
+    }
+  }
+
+  stream->close_handled = TRUE;
+
+  H2BUGF(infof(data, "http2_recv returns 0, http2_handle_stream_close\n"));
+  return 0;
+}
+
+/*
+ * h2_pri_spec() fills in the pri_spec struct, used by nghttp2 to send weight
+ * and dependency to the peer. It also stores the updated values in the state
+ * struct.
+ */
+
+static void h2_pri_spec(struct Curl_easy *data,
+                        nghttp2_priority_spec *pri_spec)
+{
+  struct HTTP *depstream = (data->set.stream_depends_on?
+                            data->set.stream_depends_on->req.protop:NULL);
+  int32_t depstream_id = depstream? depstream->stream_id:0;
+  nghttp2_priority_spec_init(pri_spec, depstream_id, data->set.stream_weight,
+                             data->set.stream_depends_e);
+  data->state.stream_weight = data->set.stream_weight;
+  data->state.stream_depends_e = data->set.stream_depends_e;
+  data->state.stream_depends_on = data->set.stream_depends_on;
+}
+
+/*
+ * h2_session_send() checks if there's been an update in the priority /
+ * dependency settings and if so it submits a PRIORITY frame with the updated
+ * info.
+ */
+static int h2_session_send(struct Curl_easy *data,
+                           nghttp2_session *h2)
+{
+  struct HTTP *stream = data->req.protop;
+  if((data->set.stream_weight != data->state.stream_weight) ||
+     (data->set.stream_depends_e != data->state.stream_depends_e) ||
+     (data->set.stream_depends_on != data->state.stream_depends_on) ) {
+    /* send new weight and/or dependency */
+    nghttp2_priority_spec pri_spec;
+    int rv;
+
+    h2_pri_spec(data, &pri_spec);
+
+    H2BUGF(infof(data, "Queuing PRIORITY on stream %u (easy %p)\n",
+                 stream->stream_id, data));
+    rv = nghttp2_submit_priority(h2, NGHTTP2_FLAG_NONE, stream->stream_id,
+                                 &pri_spec);
+    if(rv)
+      return rv;
+  }
+
+  return nghttp2_session_send(h2);
+}
+
+static ssize_t http2_recv(struct connectdata *conn, int sockindex,
+                          char *mem, size_t len, CURLcode *err)
+{
+  CURLcode result = CURLE_OK;
+  ssize_t rv;
+  ssize_t nread;
+  struct http_conn *httpc = &conn->proto.httpc;
+  struct Curl_easy *data = conn->data;
+  struct HTTP *stream = data->req.protop;
+
+  (void)sockindex; /* we always do HTTP2 on sockindex 0 */
+
+  if(should_close_session(httpc)) {
+    H2BUGF(infof(data,
+                 "http2_recv: nothing to do in this session\n"));
+    *err = CURLE_HTTP2;
+    return -1;
+  }
+
+  /* Nullify here because we call nghttp2_session_send() and they
+     might refer to the old buffer. */
+  stream->upload_mem = NULL;
+  stream->upload_len = 0;
+
+  /*
+   * At this point 'stream' is just in the Curl_easy the connection
+   * identifies as its owner at this time.
+   */
+
+  if(stream->bodystarted &&
+     stream->nread_header_recvbuf < stream->header_recvbuf->size_used) {
+    /* If there is body data pending for this stream to return, do that */
+    size_t left =
+      stream->header_recvbuf->size_used - stream->nread_header_recvbuf;
+    size_t ncopy = CURLMIN(len, left);
+    memcpy(mem, stream->header_recvbuf->buffer + stream->nread_header_recvbuf,
+           ncopy);
+    stream->nread_header_recvbuf += ncopy;
+
+    H2BUGF(infof(data, "http2_recv: Got %d bytes from header_recvbuf\n",
+                 (int)ncopy));
+    return ncopy;
+  }
+
+  H2BUGF(infof(data, "http2_recv: easy %p (stream %u)\n",
+               data, stream->stream_id));
+
+  if((data->state.drain) && stream->memlen) {
+    H2BUGF(infof(data, "http2_recv: DRAIN %zu bytes stream %u!! (%p => %p)\n",
+                 stream->memlen, stream->stream_id,
+                 stream->mem, mem));
+    if(mem != stream->mem) {
+      /* if we didn't get the same buffer this time, we must move the data to
+         the beginning */
+      memmove(mem, stream->mem, stream->memlen);
+      stream->len = len - stream->memlen;
+      stream->mem = mem;
+    }
+    if(httpc->pause_stream_id == stream->stream_id && !stream->pausedata) {
+      /* We have paused nghttp2, but we have no pause data (see
+         on_data_chunk_recv). */
+      httpc->pause_stream_id = 0;
+      if(h2_process_pending_input(conn, httpc, &result) != 0) {
+        *err = result;
+        return -1;
+      }
+    }
+  }
+  else if(stream->pausedata) {
+    DEBUGASSERT(httpc->pause_stream_id == stream->stream_id);
+    nread = CURLMIN(len, stream->pauselen);
+    memcpy(mem, stream->pausedata, nread);
+
+    stream->pausedata += nread;
+    stream->pauselen -= nread;
+
+    infof(data, "%zd data bytes written\n", nread);
+    if(stream->pauselen == 0) {
+      H2BUGF(infof(data, "Unpaused by stream %u\n", stream->stream_id));
+      DEBUGASSERT(httpc->pause_stream_id == stream->stream_id);
+      httpc->pause_stream_id = 0;
+
+      stream->pausedata = NULL;
+      stream->pauselen = 0;
+
+      /* When NGHTTP2_ERR_PAUSE is returned from
+         data_source_read_callback, we might not process DATA frame
+         fully.  Calling nghttp2_session_mem_recv() again will
+         continue to process DATA frame, but if there is no incoming
+         frames, then we have to call it again with 0-length data.
+         Without this, on_stream_close callback will not be called,
+         and stream could be hanged. */
+      if(h2_process_pending_input(conn, httpc, &result) != 0) {
+        *err = result;
+        return -1;
+      }
+    }
+    H2BUGF(infof(data, "http2_recv: returns unpaused %zd bytes on stream %u\n",
+                 nread, stream->stream_id));
+    return nread;
+  }
+  else if(httpc->pause_stream_id) {
+    /* If a stream paused nghttp2_session_mem_recv previously, and has
+       not processed all data, it still refers to the buffer in
+       nghttp2_session.  If we call nghttp2_session_mem_recv(), we may
+       overwrite that buffer.  To avoid that situation, just return
+       here with CURLE_AGAIN.  This could be busy loop since data in
+       socket is not read.  But it seems that usually streams are
+       notified with its drain property, and socket is read again
+       quickly. */
+    H2BUGF(infof(data, "stream %x is paused, pause id: %x\n",
+                 stream->stream_id, httpc->pause_stream_id));
+    *err = CURLE_AGAIN;
+    return -1;
+  }
+  else {
+    char *inbuf;
+    /* remember where to store incoming data for this stream and how big the
+       buffer is */
+    stream->mem = mem;
+    stream->len = len;
+    stream->memlen = 0;
+
+    if(httpc->inbuflen == 0) {
+      nread = ((Curl_recv *)httpc->recv_underlying)(
+          conn, FIRSTSOCKET, httpc->inbuf, H2_BUFSIZE, &result);
+
+      if(nread == -1) {
+        if(result != CURLE_AGAIN)
+          failf(data, "Failed receiving HTTP2 data");
+        else if(stream->closed)
+          /* received when the stream was already closed! */
+          return http2_handle_stream_close(conn, data, stream, err);
+
+        *err = result;
+        return -1;
+      }
+
+      if(nread == 0) {
+        H2BUGF(infof(data, "end of stream\n"));
+        *err = CURLE_OK;
+        return 0;
+      }
+
+      H2BUGF(infof(data, "nread=%zd\n", nread));
+
+      httpc->inbuflen = nread;
+      inbuf = httpc->inbuf;
+    }
+    else {
+      nread = httpc->inbuflen - httpc->nread_inbuf;
+      inbuf = httpc->inbuf + httpc->nread_inbuf;
+
+      H2BUGF(infof(data, "Use data left in connection buffer, nread=%zd\n",
+                   nread));
+    }
+    rv = nghttp2_session_mem_recv(httpc->h2, (const uint8_t *)inbuf, nread);
+
+    if(nghttp2_is_fatal((int)rv)) {
+      failf(data, "nghttp2_session_mem_recv() returned %zd:%s\n",
+            rv, nghttp2_strerror((int)rv));
+      *err = CURLE_RECV_ERROR;
+      return -1;
+    }
+    H2BUGF(infof(data, "nghttp2_session_mem_recv() returns %zd\n", rv));
+    if(nread == rv) {
+      H2BUGF(infof(data, "All data in connection buffer processed\n"));
+      httpc->inbuflen = 0;
+      httpc->nread_inbuf = 0;
+    }
+    else {
+      httpc->nread_inbuf += rv;
+      H2BUGF(infof(data, "%zu bytes left in connection buffer\n",
+                   httpc->inbuflen - httpc->nread_inbuf));
+    }
+    /* Always send pending frames in nghttp2 session, because
+       nghttp2_session_mem_recv() may queue new frame */
+    rv = h2_session_send(data, httpc->h2);
+    if(rv != 0) {
+      *err = CURLE_SEND_ERROR;
+      return -1;
+    }
+
+    if(should_close_session(httpc)) {
+      H2BUGF(infof(data, "http2_recv: nothing to do in this session\n"));
+      *err = CURLE_HTTP2;
+      return -1;
+    }
+  }
+  if(stream->memlen) {
+    ssize_t retlen = stream->memlen;
+    H2BUGF(infof(data, "http2_recv: returns %zd for stream %u\n",
+                 retlen, stream->stream_id));
+    stream->memlen = 0;
+
+    if(httpc->pause_stream_id == stream->stream_id) {
+      /* data for this stream is returned now, but this stream caused a pause
+         already so we need it called again asap */
+      H2BUGF(infof(data, "Data returned for PAUSED stream %u\n",
+                   stream->stream_id));
+    }
+    else if(!stream->closed) {
+      drained_transfer(data, httpc);
+    }
+
+    return retlen;
+  }
+  /* If stream is closed, return 0 to signal the http routine to close
+     the connection */
+  if(stream->closed) {
+    return http2_handle_stream_close(conn, data, stream, err);
+  }
+  *err = CURLE_AGAIN;
+  H2BUGF(infof(data, "http2_recv returns AGAIN for stream %u\n",
+               stream->stream_id));
+  return -1;
+}
+
+/* Index where :authority header field will appear in request header
+   field list. */
+#define AUTHORITY_DST_IDX 3
+
+#define HEADER_OVERFLOW(x) \
+  (x.namelen > (uint16_t)-1 || x.valuelen > (uint16_t)-1 - x.namelen)
+
+/*
+ * Check header memory for the token "trailers".
+ * Parse the tokens as separated by comma and surrounded by whitespace.
+ * Returns TRUE if found or FALSE if not.
+ */
+static bool contains_trailers(const char *p, size_t len)
+{
+  const char *end = p + len;
+  for(;;) {
+    for(; p != end && (*p == ' ' || *p == '\t'); ++p)
+      ;
+    if(p == end || (size_t)(end - p) < sizeof("trailers") - 1)
+      return FALSE;
+    if(strncasecompare("trailers", p, sizeof("trailers") - 1)) {
+      p += sizeof("trailers") - 1;
+      for(; p != end && (*p == ' ' || *p == '\t'); ++p)
+        ;
+      if(p == end || *p == ',')
+        return TRUE;
+    }
+    /* skip to next token */
+    for(; p != end && *p != ','; ++p)
+      ;
+    if(p == end)
+      return FALSE;
+    ++p;
+  }
+}
+
+typedef enum {
+  /* Send header to server */
+  HEADERINST_FORWARD,
+  /* Don't send header to server */
+  HEADERINST_IGNORE,
+  /* Discard header, and replace it with "te: trailers" */
+  HEADERINST_TE_TRAILERS
+} header_instruction;
+
+/* Decides how to treat given header field. */
+static header_instruction inspect_header(const char *name, size_t namelen,
+                                         const char *value, size_t valuelen) {
+  switch(namelen) {
+  case 2:
+    if(!strncasecompare("te", name, namelen))
+      return HEADERINST_FORWARD;
+
+    return contains_trailers(value, valuelen) ?
+           HEADERINST_TE_TRAILERS : HEADERINST_IGNORE;
+  case 7:
+    return strncasecompare("upgrade", name, namelen) ?
+           HEADERINST_IGNORE : HEADERINST_FORWARD;
+  case 10:
+    return (strncasecompare("connection", name, namelen) ||
+            strncasecompare("keep-alive", name, namelen)) ?
+           HEADERINST_IGNORE : HEADERINST_FORWARD;
+  case 16:
+    return strncasecompare("proxy-connection", name, namelen) ?
+           HEADERINST_IGNORE : HEADERINST_FORWARD;
+  case 17:
+    return strncasecompare("transfer-encoding", name, namelen) ?
+           HEADERINST_IGNORE : HEADERINST_FORWARD;
+  default:
+    return HEADERINST_FORWARD;
+  }
+}
+
+static ssize_t http2_send(struct connectdata *conn, int sockindex,
+                          const void *mem, size_t len, CURLcode *err)
+{
+  /*
+   * BIG TODO: Currently, we send request in this function, but this
+   * function is also used to send request body. It would be nice to
+   * add dedicated function for request.
+   */
+  int rv;
+  struct http_conn *httpc = &conn->proto.httpc;
+  struct HTTP *stream = conn->data->req.protop;
+  nghttp2_nv *nva = NULL;
+  size_t nheader;
+  size_t i;
+  size_t authority_idx;
+  char *hdbuf = (char *)mem;
+  char *end, *line_end;
+  nghttp2_data_provider data_prd;
+  int32_t stream_id;
+  nghttp2_session *h2 = httpc->h2;
+  nghttp2_priority_spec pri_spec;
+
+  (void)sockindex;
+
+  H2BUGF(infof(conn->data, "http2_send len=%zu\n", len));
+
+  if(stream->stream_id != -1) {
+    if(stream->close_handled) {
+      infof(conn->data, "stream %d closed\n", stream->stream_id);
+      *err = CURLE_HTTP2_STREAM;
+      return -1;
+    }
+    else if(stream->closed) {
+      return http2_handle_stream_close(conn, conn->data, stream, err);
+    }
+    /* If stream_id != -1, we have dispatched request HEADERS, and now
+       are going to send or sending request body in DATA frame */
+    stream->upload_mem = mem;
+    stream->upload_len = len;
+    nghttp2_session_resume_data(h2, stream->stream_id);
+    rv = h2_session_send(conn->data, h2);
+    if(nghttp2_is_fatal(rv)) {
+      *err = CURLE_SEND_ERROR;
+      return -1;
+    }
+    len -= stream->upload_len;
+
+    /* Nullify here because we call nghttp2_session_send() and they
+       might refer to the old buffer. */
+    stream->upload_mem = NULL;
+    stream->upload_len = 0;
+
+    if(should_close_session(httpc)) {
+      H2BUGF(infof(conn->data, "http2_send: nothing to do in this session\n"));
+      *err = CURLE_HTTP2;
+      return -1;
+    }
+
+    if(stream->upload_left) {
+      /* we are sure that we have more data to send here.  Calling the
+         following API will make nghttp2_session_want_write() return
+         nonzero if remote window allows it, which then libcurl checks
+         socket is writable or not.  See http2_perform_getsock(). */
+      nghttp2_session_resume_data(h2, stream->stream_id);
+    }
+
+    H2BUGF(infof(conn->data, "http2_send returns %zu for stream %u\n", len,
+                 stream->stream_id));
+    return len;
+  }
+
+  /* Calculate number of headers contained in [mem, mem + len) */
+  /* Here, we assume the curl http code generate *correct* HTTP header
+     field block */
+  nheader = 0;
+  for(i = 1; i < len; ++i) {
+    if(hdbuf[i] == '\n' && hdbuf[i - 1] == '\r') {
+      ++nheader;
+      ++i;
+    }
+  }
+  if(nheader < 2)
+    goto fail;
+
+  /* We counted additional 2 \r\n in the first and last line. We need 3
+     new headers: :method, :path and :scheme. Therefore we need one
+     more space. */
+  nheader += 1;
+  nva = malloc(sizeof(nghttp2_nv) * nheader);
+  if(nva == NULL) {
+    *err = CURLE_OUT_OF_MEMORY;
+    return -1;
+  }
+
+  /* Extract :method, :path from request line
+     We do line endings with CRLF so checking for CR is enough */
+  line_end = memchr(hdbuf, '\r', len);
+  if(!line_end)
+    goto fail;
+
+  /* Method does not contain spaces */
+  end = memchr(hdbuf, ' ', line_end - hdbuf);
+  if(!end || end == hdbuf)
+    goto fail;
+  nva[0].name = (unsigned char *)":method";
+  nva[0].namelen = strlen((char *)nva[0].name);
+  nva[0].value = (unsigned char *)hdbuf;
+  nva[0].valuelen = (size_t)(end - hdbuf);
+  nva[0].flags = NGHTTP2_NV_FLAG_NONE;
+  if(HEADER_OVERFLOW(nva[0])) {
+    failf(conn->data, "Failed sending HTTP request: Header overflow");
+    goto fail;
+  }
+
+  hdbuf = end + 1;
+
+  /* Path may contain spaces so scan backwards */
+  end = NULL;
+  for(i = (size_t)(line_end - hdbuf); i; --i) {
+    if(hdbuf[i - 1] == ' ') {
+      end = &hdbuf[i - 1];
+      break;
+    }
+  }
+  if(!end || end == hdbuf)
+    goto fail;
+  nva[1].name = (unsigned char *)":path";
+  nva[1].namelen = strlen((char *)nva[1].name);
+  nva[1].value = (unsigned char *)hdbuf;
+  nva[1].valuelen = (size_t)(end - hdbuf);
+  nva[1].flags = NGHTTP2_NV_FLAG_NONE;
+  if(HEADER_OVERFLOW(nva[1])) {
+    failf(conn->data, "Failed sending HTTP request: Header overflow");
+    goto fail;
+  }
+
+  nva[2].name = (unsigned char *)":scheme";
+  nva[2].namelen = strlen((char *)nva[2].name);
+  if(conn->handler->flags & PROTOPT_SSL)
+    nva[2].value = (unsigned char *)"https";
+  else
+    nva[2].value = (unsigned char *)"http";
+  nva[2].valuelen = strlen((char *)nva[2].value);
+  nva[2].flags = NGHTTP2_NV_FLAG_NONE;
+  if(HEADER_OVERFLOW(nva[2])) {
+    failf(conn->data, "Failed sending HTTP request: Header overflow");
+    goto fail;
+  }
+
+  authority_idx = 0;
+  i = 3;
+  while(i < nheader) {
+    size_t hlen;
+
+    hdbuf = line_end + 2;
+
+    /* check for next CR, but only within the piece of data left in the given
+       buffer */
+    line_end = memchr(hdbuf, '\r', len - (hdbuf - (char *)mem));
+    if(!line_end || (line_end == hdbuf))
+      goto fail;
+
+    /* header continuation lines are not supported */
+    if(*hdbuf == ' ' || *hdbuf == '\t')
+      goto fail;
+
+    for(end = hdbuf; end < line_end && *end != ':'; ++end)
+      ;
+    if(end == hdbuf || end == line_end)
+      goto fail;
+    hlen = end - hdbuf;
+
+    if(hlen == 4 && strncasecompare("host", hdbuf, 4)) {
+      authority_idx = i;
+      nva[i].name = (unsigned char *)":authority";
+      nva[i].namelen = strlen((char *)nva[i].name);
+    }
+    else {
+      nva[i].name = (unsigned char *)hdbuf;
+      nva[i].namelen = (size_t)(end - hdbuf);
+    }
+    hdbuf = end + 1;
+    while(*hdbuf == ' ' || *hdbuf == '\t')
+      ++hdbuf;
+    end = line_end;
+
+    switch(inspect_header((const char *)nva[i].name, nva[i].namelen, hdbuf,
+                          end - hdbuf)) {
+    case HEADERINST_IGNORE:
+      /* skip header fields prohibited by HTTP/2 specification. */
+      --nheader;
+      continue;
+    case HEADERINST_TE_TRAILERS:
+      nva[i].value = (uint8_t*)"trailers";
+      nva[i].valuelen = sizeof("trailers") - 1;
+      break;
+    default:
+      nva[i].value = (unsigned char *)hdbuf;
+      nva[i].valuelen = (size_t)(end - hdbuf);
+    }
+
+    nva[i].flags = NGHTTP2_NV_FLAG_NONE;
+    if(HEADER_OVERFLOW(nva[i])) {
+      failf(conn->data, "Failed sending HTTP request: Header overflow");
+      goto fail;
+    }
+    ++i;
+  }
+
+  /* :authority must come before non-pseudo header fields */
+  if(authority_idx != 0 && authority_idx != AUTHORITY_DST_IDX) {
+    nghttp2_nv authority = nva[authority_idx];
+    for(i = authority_idx; i > AUTHORITY_DST_IDX; --i) {
+      nva[i] = nva[i - 1];
+    }
+    nva[i] = authority;
+  }
+
+  /* Warn stream may be rejected if cumulative length of headers is too large.
+     It appears nghttp2 will not send a header frame larger than 64KB. */
+#define MAX_ACC 60000  /* <64KB to account for some overhead */
+  {
+    size_t acc = 0;
+
+    for(i = 0; i < nheader; ++i) {
+      acc += nva[i].namelen + nva[i].valuelen;
+
+      H2BUGF(infof(conn->data, "h2 header: %.*s:%.*s\n",
+                   nva[i].namelen, nva[i].name,
+                   nva[i].valuelen, nva[i].value));
+    }
+
+    if(acc > MAX_ACC) {
+      infof(conn->data, "http2_send: Warning: The cumulative length of all "
+            "headers exceeds %zu bytes and that could cause the "
+            "stream to be rejected.\n", MAX_ACC);
+    }
+  }
+
+  h2_pri_spec(conn->data, &pri_spec);
+
+  switch(conn->data->set.httpreq) {
+  case HTTPREQ_POST:
+  case HTTPREQ_POST_FORM:
+  case HTTPREQ_POST_MIME:
+  case HTTPREQ_PUT:
+    if(conn->data->state.infilesize != -1)
+      stream->upload_left = conn->data->state.infilesize;
+    else
+      /* data sending without specifying the data amount up front */
+      stream->upload_left = -1; /* unknown, but not zero */
+
+    data_prd.read_callback = data_source_read_callback;
+    data_prd.source.ptr = NULL;
+    stream_id = nghttp2_submit_request(h2, &pri_spec, nva, nheader,
+                                       &data_prd, conn->data);
+    break;
+  default:
+    stream_id = nghttp2_submit_request(h2, &pri_spec, nva, nheader,
+                                       NULL, conn->data);
+  }
+
+  Curl_safefree(nva);
+
+  if(stream_id < 0) {
+    H2BUGF(infof(conn->data, "http2_send() send error\n"));
+    *err = CURLE_SEND_ERROR;
+    return -1;
+  }
+
+  infof(conn->data, "Using Stream ID: %x (easy handle %p)\n",
+        stream_id, (void *)conn->data);
+  stream->stream_id = stream_id;
+
+  /* this does not call h2_session_send() since there can not have been any
+   * priority upodate since the nghttp2_submit_request() call above */
+  rv = nghttp2_session_send(h2);
+
+  if(rv != 0) {
+    *err = CURLE_SEND_ERROR;
+    return -1;
+  }
+
+  if(should_close_session(httpc)) {
+    H2BUGF(infof(conn->data, "http2_send: nothing to do in this session\n"));
+    *err = CURLE_HTTP2;
+    return -1;
+  }
+
+  if(stream->stream_id != -1) {
+    /* If whole HEADERS frame was sent off to the underlying socket,
+       the nghttp2 library calls data_source_read_callback. But only
+       it found that no data available, so it deferred the DATA
+       transmission. Which means that nghttp2_session_want_write()
+       returns 0 on http2_perform_getsock(), which results that no
+       writable socket check is performed. To workaround this, we
+       issue nghttp2_session_resume_data() here to bring back DATA
+       transmission from deferred state. */
+    nghttp2_session_resume_data(h2, stream->stream_id);
+  }
+
+  return len;
+
+fail:
+  free(nva);
+  *err = CURLE_SEND_ERROR;
+  return -1;
+}
+
+CURLcode Curl_http2_setup(struct connectdata *conn)
+{
+  CURLcode result;
+  struct http_conn *httpc = &conn->proto.httpc;
+  struct HTTP *stream = conn->data->req.protop;
+
+  stream->stream_id = -1;
+
+  if(!stream->header_recvbuf) {
+    stream->header_recvbuf = Curl_add_buffer_init();
+    if(!stream->header_recvbuf)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  if((conn->handler == &Curl_handler_http2_ssl) ||
+     (conn->handler == &Curl_handler_http2))
+    return CURLE_OK; /* already done */
+
+  if(conn->handler->flags & PROTOPT_SSL)
+    conn->handler = &Curl_handler_http2_ssl;
+  else
+    conn->handler = &Curl_handler_http2;
+
+  result = Curl_http2_init(conn);
+  if(result) {
+    Curl_add_buffer_free(&stream->header_recvbuf);
+    return result;
+  }
+
+  infof(conn->data, "Using HTTP2, server supports multi-use\n");
+  stream->upload_left = 0;
+  stream->upload_mem = NULL;
+  stream->upload_len = 0;
+
+  httpc->inbuflen = 0;
+  httpc->nread_inbuf = 0;
+
+  httpc->pause_stream_id = 0;
+  httpc->drain_total = 0;
+
+  conn->bits.multiplex = TRUE; /* at least potentially multiplexed */
+  conn->httpversion = 20;
+  conn->bundle->multiuse = BUNDLE_MULTIPLEX;
+
+  infof(conn->data, "Connection state changed (HTTP/2 confirmed)\n");
+  Curl_multi_connchanged(conn->data->multi);
+
+  return CURLE_OK;
+}
+
+CURLcode Curl_http2_switched(struct connectdata *conn,
+                             const char *mem, size_t nread)
+{
+  CURLcode result;
+  struct http_conn *httpc = &conn->proto.httpc;
+  int rv;
+  ssize_t nproc;
+  struct Curl_easy *data = conn->data;
+  struct HTTP *stream = conn->data->req.protop;
+
+  result = Curl_http2_setup(conn);
+  if(result)
+    return result;
+
+  httpc->recv_underlying = conn->recv[FIRSTSOCKET];
+  httpc->send_underlying = conn->send[FIRSTSOCKET];
+  conn->recv[FIRSTSOCKET] = http2_recv;
+  conn->send[FIRSTSOCKET] = http2_send;
+
+  if(conn->data->req.upgr101 == UPGR101_RECEIVED) {
+    /* stream 1 is opened implicitly on upgrade */
+    stream->stream_id = 1;
+    /* queue SETTINGS frame (again) */
+    rv = nghttp2_session_upgrade(httpc->h2, httpc->binsettings,
+                                 httpc->binlen, NULL);
+    if(rv != 0) {
+      failf(data, "nghttp2_session_upgrade() failed: %s(%d)",
+            nghttp2_strerror(rv), rv);
+      return CURLE_HTTP2;
+    }
+
+    rv = nghttp2_session_set_stream_user_data(httpc->h2,
+                                              stream->stream_id,
+                                              data);
+    if(rv) {
+      infof(data, "http/2: failed to set user_data for stream %d!\n",
+            stream->stream_id);
+      DEBUGASSERT(0);
+    }
+  }
+  else {
+    populate_settings(conn, httpc);
+
+    /* stream ID is unknown at this point */
+    stream->stream_id = -1;
+    rv = nghttp2_submit_settings(httpc->h2, NGHTTP2_FLAG_NONE,
+                                 httpc->local_settings,
+                                 httpc->local_settings_num);
+    if(rv != 0) {
+      failf(data, "nghttp2_submit_settings() failed: %s(%d)",
+            nghttp2_strerror(rv), rv);
+      return CURLE_HTTP2;
+    }
+  }
+
+#ifdef NGHTTP2_HAS_SET_LOCAL_WINDOW_SIZE
+  rv = nghttp2_session_set_local_window_size(httpc->h2, NGHTTP2_FLAG_NONE, 0,
+                                             HTTP2_HUGE_WINDOW_SIZE);
+  if(rv != 0) {
+    failf(data, "nghttp2_session_set_local_window_size() failed: %s(%d)",
+          nghttp2_strerror(rv), rv);
+    return CURLE_HTTP2;
+  }
+#endif
+
+  /* we are going to copy mem to httpc->inbuf.  This is required since
+     mem is part of buffer pointed by stream->mem, and callbacks
+     called by nghttp2_session_mem_recv() will write stream specific
+     data into stream->mem, overwriting data already there. */
+  if(H2_BUFSIZE < nread) {
+    failf(data, "connection buffer size is too small to store data following "
+                "HTTP Upgrade response header: buflen=%zu, datalen=%zu",
+          H2_BUFSIZE, nread);
+    return CURLE_HTTP2;
+  }
+
+  infof(conn->data, "Copying HTTP/2 data in stream buffer to connection buffer"
+                    " after upgrade: len=%zu\n",
+        nread);
+
+  if(nread)
+    memcpy(httpc->inbuf, mem, nread);
+  httpc->inbuflen = nread;
+
+  nproc = nghttp2_session_mem_recv(httpc->h2, (const uint8_t *)httpc->inbuf,
+                                   httpc->inbuflen);
+
+  if(nghttp2_is_fatal((int)nproc)) {
+    failf(data, "nghttp2_session_mem_recv() failed: %s(%d)",
+          nghttp2_strerror((int)nproc), (int)nproc);
+    return CURLE_HTTP2;
+  }
+
+  H2BUGF(infof(data, "nghttp2_session_mem_recv() returns %zd\n", nproc));
+
+  if((ssize_t)nread == nproc) {
+    httpc->inbuflen = 0;
+    httpc->nread_inbuf = 0;
+  }
+  else {
+    httpc->nread_inbuf += nproc;
+  }
+
+  /* Try to send some frames since we may read SETTINGS already. */
+  rv = h2_session_send(data, httpc->h2);
+
+  if(rv != 0) {
+    failf(data, "nghttp2_session_send() failed: %s(%d)",
+          nghttp2_strerror(rv), rv);
+    return CURLE_HTTP2;
+  }
+
+  if(should_close_session(httpc)) {
+    H2BUGF(infof(data,
+                 "nghttp2_session_send(): nothing to do in this session\n"));
+    return CURLE_HTTP2;
+  }
+
+  return CURLE_OK;
+}
+
+CURLcode Curl_http2_add_child(struct Curl_easy *parent,
+                              struct Curl_easy *child,
+                              bool exclusive)
+{
+  if(parent) {
+    struct Curl_http2_dep **tail;
+    struct Curl_http2_dep *dep = calloc(1, sizeof(struct Curl_http2_dep));
+    if(!dep)
+      return CURLE_OUT_OF_MEMORY;
+    dep->data = child;
+
+    if(parent->set.stream_dependents && exclusive) {
+      struct Curl_http2_dep *node = parent->set.stream_dependents;
+      while(node) {
+        node->data->set.stream_depends_on = child;
+        node = node->next;
+      }
+
+      tail = &child->set.stream_dependents;
+      while(*tail)
+        tail = &(*tail)->next;
+
+      DEBUGASSERT(!*tail);
+      *tail = parent->set.stream_dependents;
+      parent->set.stream_dependents = 0;
+    }
+
+    tail = &parent->set.stream_dependents;
+    while(*tail) {
+      (*tail)->data->set.stream_depends_e = FALSE;
+      tail = &(*tail)->next;
+    }
+
+    DEBUGASSERT(!*tail);
+    *tail = dep;
+  }
+
+  child->set.stream_depends_on = parent;
+  child->set.stream_depends_e = exclusive;
+  return CURLE_OK;
+}
+
+void Curl_http2_remove_child(struct Curl_easy *parent, struct Curl_easy *child)
+{
+  struct Curl_http2_dep *last = 0;
+  struct Curl_http2_dep *data = parent->set.stream_dependents;
+  DEBUGASSERT(child->set.stream_depends_on == parent);
+
+  while(data && data->data != child) {
+    last = data;
+    data = data->next;
+  }
+
+  DEBUGASSERT(data);
+
+  if(data) {
+    if(last) {
+      last->next = data->next;
+    }
+    else {
+      parent->set.stream_dependents = data->next;
+    }
+    free(data);
+  }
+
+  child->set.stream_depends_on = 0;
+  child->set.stream_depends_e = FALSE;
+}
+
+void Curl_http2_cleanup_dependencies(struct Curl_easy *data)
+{
+  while(data->set.stream_dependents) {
+    struct Curl_easy *tmp = data->set.stream_dependents->data;
+    Curl_http2_remove_child(data, tmp);
+    if(data->set.stream_depends_on)
+      Curl_http2_add_child(data->set.stream_depends_on, tmp, FALSE);
+  }
+
+  if(data->set.stream_depends_on)
+    Curl_http2_remove_child(data->set.stream_depends_on, data);
+}
+
+/* Only call this function for a transfer that already got a HTTP/2
+   CURLE_HTTP2_STREAM error! */
+bool Curl_h2_http_1_1_error(struct connectdata *conn)
+{
+  struct http_conn *httpc = &conn->proto.httpc;
+  return (httpc->error_code == NGHTTP2_HTTP_1_1_REQUIRED);
+}
+
+#else /* !USE_NGHTTP2 */
+
+/* Satisfy external references even if http2 is not compiled in. */
+
+#define CURL_DISABLE_TYPECHECK
+#include <curl/curl.h>
+
+char *curl_pushheader_bynum(struct curl_pushheaders *h, size_t num)
+{
+  (void) h;
+  (void) num;
+  return NULL;
+}
+
+char *curl_pushheader_byname(struct curl_pushheaders *h, const char *header)
+{
+  (void) h;
+  (void) header;
+  return NULL;
+}
+
+#endif /* USE_NGHTTP2 */
Index: trunk/src/libs/curl-7.64.0/lib/http2.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/http2.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/http2.h	(revision 85671)
@@ -0,0 +1,83 @@
+#ifndef HEADER_CURL_HTTP2_H
+#define HEADER_CURL_HTTP2_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef USE_NGHTTP2
+#include "http.h"
+
+/* value for MAX_CONCURRENT_STREAMS we use until we get an updated setting
+   from the peer */
+#define DEFAULT_MAX_CONCURRENT_STREAMS 13
+
+/*
+ * Store nghttp2 version info in this buffer, Prefix with a space.  Return
+ * total length written.
+ */
+int Curl_http2_ver(char *p, size_t len);
+
+const char *Curl_http2_strerror(uint32_t err);
+
+CURLcode Curl_http2_init(struct connectdata *conn);
+void Curl_http2_init_state(struct UrlState *state);
+void Curl_http2_init_userset(struct UserDefined *set);
+CURLcode Curl_http2_send_request(struct connectdata *conn);
+CURLcode Curl_http2_request_upgrade(Curl_send_buffer *req,
+                                    struct connectdata *conn);
+CURLcode Curl_http2_setup(struct connectdata *conn);
+CURLcode Curl_http2_switched(struct connectdata *conn,
+                             const char *data, size_t nread);
+/* called from Curl_http_setup_conn */
+void Curl_http2_setup_conn(struct connectdata *conn);
+void Curl_http2_setup_req(struct Curl_easy *data);
+void Curl_http2_done(struct connectdata *conn, bool premature);
+CURLcode Curl_http2_done_sending(struct connectdata *conn);
+CURLcode Curl_http2_add_child(struct Curl_easy *parent,
+                              struct Curl_easy *child,
+                              bool exclusive);
+void Curl_http2_remove_child(struct Curl_easy *parent,
+                             struct Curl_easy *child);
+void Curl_http2_cleanup_dependencies(struct Curl_easy *data);
+
+/* returns true if the HTTP/2 stream error was HTTP_1_1_REQUIRED */
+bool Curl_h2_http_1_1_error(struct connectdata *conn);
+#else /* USE_NGHTTP2 */
+#define Curl_http2_init(x) CURLE_UNSUPPORTED_PROTOCOL
+#define Curl_http2_send_request(x) CURLE_UNSUPPORTED_PROTOCOL
+#define Curl_http2_request_upgrade(x,y) CURLE_UNSUPPORTED_PROTOCOL
+#define Curl_http2_setup(x) CURLE_UNSUPPORTED_PROTOCOL
+#define Curl_http2_switched(x,y,z) CURLE_UNSUPPORTED_PROTOCOL
+#define Curl_http2_setup_conn(x) Curl_nop_stmt
+#define Curl_http2_setup_req(x)
+#define Curl_http2_init_state(x)
+#define Curl_http2_init_userset(x)
+#define Curl_http2_done(x,y)
+#define Curl_http2_done_sending(x)
+#define Curl_http2_add_child(x, y, z)
+#define Curl_http2_remove_child(x, y)
+#define Curl_http2_cleanup_dependencies(x)
+#define Curl_h2_http_1_1_error(x) 0
+#endif
+
+#endif /* HEADER_CURL_HTTP2_H */
Index: trunk/src/libs/curl-7.64.0/lib/http_chunks.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/http_chunks.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/http_chunks.c	(revision 85671)
@@ -0,0 +1,351 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_HTTP
+
+#include "urldata.h" /* it includes http_chunks.h */
+#include "sendf.h"   /* for the client write stuff */
+
+#include "content_encoding.h"
+#include "http.h"
+#include "non-ascii.h" /* for Curl_convert_to_network prototype */
+#include "strtoofft.h"
+#include "warnless.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Chunk format (simplified):
+ *
+ * <HEX SIZE>[ chunk extension ] CRLF
+ * <DATA> CRLF
+ *
+ * Highlights from RFC2616 section 3.6 say:
+
+   The chunked encoding modifies the body of a message in order to
+   transfer it as a series of chunks, each with its own size indicator,
+   followed by an OPTIONAL trailer containing entity-header fields. This
+   allows dynamically produced content to be transferred along with the
+   information necessary for the recipient to verify that it has
+   received the full message.
+
+       Chunked-Body   = *chunk
+                        last-chunk
+                        trailer
+                        CRLF
+
+       chunk          = chunk-size [ chunk-extension ] CRLF
+                        chunk-data CRLF
+       chunk-size     = 1*HEX
+       last-chunk     = 1*("0") [ chunk-extension ] CRLF
+
+       chunk-extension= *( ";" chunk-ext-name [ "=" chunk-ext-val ] )
+       chunk-ext-name = token
+       chunk-ext-val  = token | quoted-string
+       chunk-data     = chunk-size(OCTET)
+       trailer        = *(entity-header CRLF)
+
+   The chunk-size field is a string of hex digits indicating the size of
+   the chunk. The chunked encoding is ended by any chunk whose size is
+   zero, followed by the trailer, which is terminated by an empty line.
+
+ */
+
+#ifdef CURL_DOES_CONVERSIONS
+/* Check for an ASCII hex digit.
+   We avoid the use of ISXDIGIT to accommodate non-ASCII hosts. */
+static bool Curl_isxdigit_ascii(char digit)
+{
+  return (digit >= 0x30 && digit <= 0x39) /* 0-9 */
+        || (digit >= 0x41 && digit <= 0x46) /* A-F */
+        || (digit >= 0x61 && digit <= 0x66); /* a-f */
+}
+#else
+#define Curl_isxdigit_ascii(x) Curl_isxdigit(x)
+#endif
+
+void Curl_httpchunk_init(struct connectdata *conn)
+{
+  struct Curl_chunker *chunk = &conn->chunk;
+  chunk->hexindex = 0;      /* start at 0 */
+  chunk->dataleft = 0;      /* no data left yet! */
+  chunk->state = CHUNK_HEX; /* we get hex first! */
+}
+
+/*
+ * chunk_read() returns a OK for normal operations, or a positive return code
+ * for errors. STOP means this sequence of chunks is complete.  The 'wrote'
+ * argument is set to tell the caller how many bytes we actually passed to the
+ * client (for byte-counting and whatever).
+ *
+ * The states and the state-machine is further explained in the header file.
+ *
+ * This function always uses ASCII hex values to accommodate non-ASCII hosts.
+ * For example, 0x0d and 0x0a are used instead of '\r' and '\n'.
+ */
+CHUNKcode Curl_httpchunk_read(struct connectdata *conn,
+                              char *datap,
+                              ssize_t datalen,
+                              ssize_t *wrotep)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct Curl_chunker *ch = &conn->chunk;
+  struct SingleRequest *k = &data->req;
+  size_t piece;
+  curl_off_t length = (curl_off_t)datalen;
+  size_t *wrote = (size_t *)wrotep;
+
+  *wrote = 0; /* nothing's written yet */
+
+  /* the original data is written to the client, but we go on with the
+     chunk read process, to properly calculate the content length*/
+  if(data->set.http_te_skip && !k->ignorebody) {
+    result = Curl_client_write(conn, CLIENTWRITE_BODY, datap, datalen);
+    if(result)
+      return CHUNKE_WRITE_ERROR;
+  }
+
+  while(length) {
+    switch(ch->state) {
+    case CHUNK_HEX:
+      if(Curl_isxdigit_ascii(*datap)) {
+        if(ch->hexindex < MAXNUM_SIZE) {
+          ch->hexbuffer[ch->hexindex] = *datap;
+          datap++;
+          length--;
+          ch->hexindex++;
+        }
+        else {
+          return CHUNKE_TOO_LONG_HEX; /* longer hex than we support */
+        }
+      }
+      else {
+        char *endptr;
+        if(0 == ch->hexindex)
+          /* This is illegal data, we received junk where we expected
+             a hexadecimal digit. */
+          return CHUNKE_ILLEGAL_HEX;
+
+        /* length and datap are unmodified */
+        ch->hexbuffer[ch->hexindex] = 0;
+
+        /* convert to host encoding before calling strtoul */
+        result = Curl_convert_from_network(conn->data, ch->hexbuffer,
+                                           ch->hexindex);
+        if(result) {
+          /* Curl_convert_from_network calls failf if unsuccessful */
+          /* Treat it as a bad hex character */
+          return CHUNKE_ILLEGAL_HEX;
+        }
+
+        if(curlx_strtoofft(ch->hexbuffer, &endptr, 16, &ch->datasize))
+          return CHUNKE_ILLEGAL_HEX;
+        ch->state = CHUNK_LF; /* now wait for the CRLF */
+      }
+      break;
+
+    case CHUNK_LF:
+      /* waiting for the LF after a chunk size */
+      if(*datap == 0x0a) {
+        /* we're now expecting data to come, unless size was zero! */
+        if(0 == ch->datasize) {
+          ch->state = CHUNK_TRAILER; /* now check for trailers */
+          conn->trlPos = 0;
+        }
+        else
+          ch->state = CHUNK_DATA;
+      }
+
+      datap++;
+      length--;
+      break;
+
+    case CHUNK_DATA:
+      /* We expect 'datasize' of data. We have 'length' right now, it can be
+         more or less than 'datasize'. Get the smallest piece.
+      */
+      piece = curlx_sotouz((ch->datasize >= length)?length:ch->datasize);
+
+      /* Write the data portion available */
+      if(!conn->data->set.http_te_skip && !k->ignorebody) {
+        if(!conn->data->set.http_ce_skip && k->writer_stack)
+          result = Curl_unencode_write(conn, k->writer_stack, datap, piece);
+        else
+          result = Curl_client_write(conn, CLIENTWRITE_BODY, datap, piece);
+
+        if(result)
+          return CHUNKE_WRITE_ERROR;
+      }
+
+      *wrote += piece;
+      ch->datasize -= piece; /* decrease amount left to expect */
+      datap += piece;    /* move read pointer forward */
+      length -= piece;   /* decrease space left in this round */
+
+      if(0 == ch->datasize)
+        /* end of data this round, we now expect a trailing CRLF */
+        ch->state = CHUNK_POSTLF;
+      break;
+
+    case CHUNK_POSTLF:
+      if(*datap == 0x0a) {
+        /* The last one before we go back to hex state and start all over. */
+        Curl_httpchunk_init(conn); /* sets state back to CHUNK_HEX */
+      }
+      else if(*datap != 0x0d)
+        return CHUNKE_BAD_CHUNK;
+      datap++;
+      length--;
+      break;
+
+    case CHUNK_TRAILER:
+      if((*datap == 0x0d) || (*datap == 0x0a)) {
+        /* this is the end of a trailer, but if the trailer was zero bytes
+           there was no trailer and we move on */
+
+        if(conn->trlPos) {
+          /* we allocate trailer with 3 bytes extra room to fit this */
+          conn->trailer[conn->trlPos++] = 0x0d;
+          conn->trailer[conn->trlPos++] = 0x0a;
+          conn->trailer[conn->trlPos] = 0;
+
+          /* Convert to host encoding before calling Curl_client_write */
+          result = Curl_convert_from_network(conn->data, conn->trailer,
+                                             conn->trlPos);
+          if(result)
+            /* Curl_convert_from_network calls failf if unsuccessful */
+            /* Treat it as a bad chunk */
+            return CHUNKE_BAD_CHUNK;
+
+          if(!data->set.http_te_skip) {
+            result = Curl_client_write(conn, CLIENTWRITE_HEADER,
+                                       conn->trailer, conn->trlPos);
+            if(result)
+              return CHUNKE_WRITE_ERROR;
+          }
+          conn->trlPos = 0;
+          ch->state = CHUNK_TRAILER_CR;
+          if(*datap == 0x0a)
+            /* already on the LF */
+            break;
+        }
+        else {
+          /* no trailer, we're on the final CRLF pair */
+          ch->state = CHUNK_TRAILER_POSTCR;
+          break; /* don't advance the pointer */
+        }
+      }
+      else {
+        /* conn->trailer is assumed to be freed in url.c on a
+           connection basis */
+        if(conn->trlPos >= conn->trlMax) {
+          /* we always allocate three extra bytes, just because when the full
+             header has been received we append CRLF\0 */
+          char *ptr;
+          if(conn->trlMax) {
+            conn->trlMax *= 2;
+            ptr = realloc(conn->trailer, conn->trlMax + 3);
+          }
+          else {
+            conn->trlMax = 128;
+            ptr = malloc(conn->trlMax + 3);
+          }
+          if(!ptr)
+            return CHUNKE_OUT_OF_MEMORY;
+          conn->trailer = ptr;
+        }
+        conn->trailer[conn->trlPos++]=*datap;
+      }
+      datap++;
+      length--;
+      break;
+
+    case CHUNK_TRAILER_CR:
+      if(*datap == 0x0a) {
+        ch->state = CHUNK_TRAILER_POSTCR;
+        datap++;
+        length--;
+      }
+      else
+        return CHUNKE_BAD_CHUNK;
+      break;
+
+    case CHUNK_TRAILER_POSTCR:
+      /* We enter this state when a CR should arrive so we expect to
+         have to first pass a CR before we wait for LF */
+      if((*datap != 0x0d) && (*datap != 0x0a)) {
+        /* not a CR then it must be another header in the trailer */
+        ch->state = CHUNK_TRAILER;
+        break;
+      }
+      if(*datap == 0x0d) {
+        /* skip if CR */
+        datap++;
+        length--;
+      }
+      /* now wait for the final LF */
+      ch->state = CHUNK_STOP;
+      break;
+
+    case CHUNK_STOP:
+      if(*datap == 0x0a) {
+        length--;
+
+        /* Record the length of any data left in the end of the buffer
+           even if there's no more chunks to read */
+        ch->dataleft = curlx_sotouz(length);
+
+        return CHUNKE_STOP; /* return stop */
+      }
+      else
+        return CHUNKE_BAD_CHUNK;
+    }
+  }
+  return CHUNKE_OK;
+}
+
+const char *Curl_chunked_strerror(CHUNKcode code)
+{
+  switch(code) {
+  default:
+    return "OK";
+  case CHUNKE_TOO_LONG_HEX:
+    return "Too long hexadecimal number";
+  case CHUNKE_ILLEGAL_HEX:
+    return "Illegal or missing hexadecimal sequence";
+  case CHUNKE_BAD_CHUNK:
+    return "Malformed encoding found";
+  case CHUNKE_WRITE_ERROR:
+    return "Write error";
+  case CHUNKE_BAD_ENCODING:
+    return "Bad content-encoding found";
+  case CHUNKE_OUT_OF_MEMORY:
+    return "Out of memory";
+  }
+}
+
+#endif /* CURL_DISABLE_HTTP */
Index: trunk/src/libs/curl-7.64.0/lib/http_chunks.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/http_chunks.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/http_chunks.h	(revision 85671)
@@ -0,0 +1,90 @@
+#ifndef HEADER_CURL_HTTP_CHUNKS_H
+#define HEADER_CURL_HTTP_CHUNKS_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+/*
+ * The longest possible hexadecimal number we support in a chunked transfer.
+ * Weird enough, RFC2616 doesn't set a maximum size! Since we use strtoul()
+ * to convert it, we "only" support 2^32 bytes chunk data.
+ */
+#define MAXNUM_SIZE 16
+
+typedef enum {
+  /* await and buffer all hexadecimal digits until we get one that isn't a
+     hexadecimal digit. When done, we go CHUNK_LF */
+  CHUNK_HEX,
+
+  /* wait for LF, ignore all else */
+  CHUNK_LF,
+
+  /* We eat the amount of data specified. When done, we move on to the
+     POST_CR state. */
+  CHUNK_DATA,
+
+  /* POSTLF should get a CR and then a LF and nothing else, then move back to
+     HEX as the CRLF combination marks the end of a chunk. A missing CR is no
+     big deal. */
+  CHUNK_POSTLF,
+
+  /* Used to mark that we're out of the game.  NOTE: that there's a 'dataleft'
+     field in the struct that will tell how many bytes that were not passed to
+     the client in the end of the last buffer! */
+  CHUNK_STOP,
+
+  /* At this point optional trailer headers can be found, unless the next line
+     is CRLF */
+  CHUNK_TRAILER,
+
+  /* A trailer CR has been found - next state is CHUNK_TRAILER_POSTCR.
+     Next char must be a LF */
+  CHUNK_TRAILER_CR,
+
+  /* A trailer LF must be found now, otherwise CHUNKE_BAD_CHUNK will be
+     signalled If this is an empty trailer CHUNKE_STOP will be signalled.
+     Otherwise the trailer will be broadcasted via Curl_client_write() and the
+     next state will be CHUNK_TRAILER */
+  CHUNK_TRAILER_POSTCR
+} ChunkyState;
+
+typedef enum {
+  CHUNKE_STOP = -1,
+  CHUNKE_OK = 0,
+  CHUNKE_TOO_LONG_HEX = 1,
+  CHUNKE_ILLEGAL_HEX,
+  CHUNKE_BAD_CHUNK,
+  CHUNKE_WRITE_ERROR,
+  CHUNKE_BAD_ENCODING,
+  CHUNKE_OUT_OF_MEMORY,
+  CHUNKE_LAST
+} CHUNKcode;
+
+const char *Curl_chunked_strerror(CHUNKcode code);
+
+struct Curl_chunker {
+  char hexbuffer[ MAXNUM_SIZE + 1];
+  int hexindex;
+  ChunkyState state;
+  curl_off_t datasize;
+  size_t dataleft; /* untouched data amount at the end of the last buffer */
+};
+
+#endif /* HEADER_CURL_HTTP_CHUNKS_H */
Index: trunk/src/libs/curl-7.64.0/lib/http_digest.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/http_digest.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/http_digest.c	(revision 85671)
@@ -0,0 +1,180 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_CRYPTO_AUTH)
+
+#include "urldata.h"
+#include "strcase.h"
+#include "vauth/vauth.h"
+#include "http_digest.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* Test example headers:
+
+WWW-Authenticate: Digest realm="testrealm", nonce="1053604598"
+Proxy-Authenticate: Digest realm="testrealm", nonce="1053604598"
+
+*/
+
+CURLcode Curl_input_digest(struct connectdata *conn,
+                           bool proxy,
+                           const char *header) /* rest of the *-authenticate:
+                                                  header */
+{
+  struct Curl_easy *data = conn->data;
+
+  /* Point to the correct struct with this */
+  struct digestdata *digest;
+
+  if(proxy) {
+    digest = &data->state.proxydigest;
+  }
+  else {
+    digest = &data->state.digest;
+  }
+
+  if(!checkprefix("Digest", header))
+    return CURLE_BAD_CONTENT_ENCODING;
+
+  header += strlen("Digest");
+  while(*header && ISSPACE(*header))
+    header++;
+
+  return Curl_auth_decode_digest_http_message(header, digest);
+}
+
+CURLcode Curl_output_digest(struct connectdata *conn,
+                            bool proxy,
+                            const unsigned char *request,
+                            const unsigned char *uripath)
+{
+  CURLcode result;
+  struct Curl_easy *data = conn->data;
+  unsigned char *path = NULL;
+  char *tmp = NULL;
+  char *response;
+  size_t len;
+  bool have_chlg;
+
+  /* Point to the address of the pointer that holds the string to send to the
+     server, which is for a plain host or for a HTTP proxy */
+  char **allocuserpwd;
+
+  /* Point to the name and password for this */
+  const char *userp;
+  const char *passwdp;
+
+  /* Point to the correct struct with this */
+  struct digestdata *digest;
+  struct auth *authp;
+
+  if(proxy) {
+    digest = &data->state.proxydigest;
+    allocuserpwd = &conn->allocptr.proxyuserpwd;
+    userp = conn->http_proxy.user;
+    passwdp = conn->http_proxy.passwd;
+    authp = &data->state.authproxy;
+  }
+  else {
+    digest = &data->state.digest;
+    allocuserpwd = &conn->allocptr.userpwd;
+    userp = conn->user;
+    passwdp = conn->passwd;
+    authp = &data->state.authhost;
+  }
+
+  Curl_safefree(*allocuserpwd);
+
+  /* not set means empty */
+  if(!userp)
+    userp = "";
+
+  if(!passwdp)
+    passwdp = "";
+
+#if defined(USE_WINDOWS_SSPI)
+  have_chlg = digest->input_token ? TRUE : FALSE;
+#else
+  have_chlg = digest->nonce ? TRUE : FALSE;
+#endif
+
+  if(!have_chlg) {
+    authp->done = FALSE;
+    return CURLE_OK;
+  }
+
+  /* So IE browsers < v7 cut off the URI part at the query part when they
+     evaluate the MD5 and some (IIS?) servers work with them so we may need to
+     do the Digest IE-style. Note that the different ways cause different MD5
+     sums to get sent.
+
+     Apache servers can be set to do the Digest IE-style automatically using
+     the BrowserMatch feature:
+     https://httpd.apache.org/docs/2.2/mod/mod_auth_digest.html#msie
+
+     Further details on Digest implementation differences:
+     http://www.fngtps.com/2006/09/http-authentication
+  */
+
+  if(authp->iestyle) {
+    tmp = strchr((char *)uripath, '?');
+    if(tmp) {
+      size_t urilen = tmp - (char *)uripath;
+      path = (unsigned char *) aprintf("%.*s", urilen, uripath);
+    }
+  }
+  if(!tmp)
+    path = (unsigned char *) strdup((char *) uripath);
+
+  if(!path)
+    return CURLE_OUT_OF_MEMORY;
+
+  result = Curl_auth_create_digest_http_message(data, userp, passwdp, request,
+                                                path, digest, &response, &len);
+  free(path);
+  if(result)
+    return result;
+
+  *allocuserpwd = aprintf("%sAuthorization: Digest %s\r\n",
+                          proxy ? "Proxy-" : "",
+                          response);
+  free(response);
+  if(!*allocuserpwd)
+    return CURLE_OUT_OF_MEMORY;
+
+  authp->done = TRUE;
+
+  return CURLE_OK;
+}
+
+void Curl_digest_cleanup(struct Curl_easy *data)
+{
+  Curl_auth_digest_cleanup(&data->state.digest);
+  Curl_auth_digest_cleanup(&data->state.proxydigest);
+}
+
+#endif
Index: trunk/src/libs/curl-7.64.0/lib/http_digest.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/http_digest.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/http_digest.h	(revision 85671)
@@ -0,0 +1,42 @@
+#ifndef HEADER_CURL_HTTP_DIGEST_H
+#define HEADER_CURL_HTTP_DIGEST_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+/* this is for digest header input */
+CURLcode Curl_input_digest(struct connectdata *conn,
+                           bool proxy, const char *header);
+
+/* this is for creating digest header output */
+CURLcode Curl_output_digest(struct connectdata *conn,
+                            bool proxy,
+                            const unsigned char *request,
+                            const unsigned char *uripath);
+
+#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_CRYPTO_AUTH)
+void Curl_digest_cleanup(struct Curl_easy *data);
+#else
+#define Curl_digest_cleanup(x) Curl_nop_stmt
+#endif
+
+#endif /* HEADER_CURL_HTTP_DIGEST_H */
Index: trunk/src/libs/curl-7.64.0/lib/http_negotiate.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/http_negotiate.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/http_negotiate.c	(revision 85671)
@@ -0,0 +1,143 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if !defined(CURL_DISABLE_HTTP) && defined(USE_SPNEGO)
+
+#include "urldata.h"
+#include "sendf.h"
+#include "http_negotiate.h"
+#include "vauth/vauth.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+CURLcode Curl_input_negotiate(struct connectdata *conn, bool proxy,
+                              const char *header)
+{
+  CURLcode result;
+  struct Curl_easy *data = conn->data;
+  size_t len;
+
+  /* Point to the username, password, service and host */
+  const char *userp;
+  const char *passwdp;
+  const char *service;
+  const char *host;
+
+  /* Point to the correct struct with this */
+  struct negotiatedata *neg_ctx;
+
+  if(proxy) {
+    userp = conn->http_proxy.user;
+    passwdp = conn->http_proxy.passwd;
+    service = data->set.str[STRING_PROXY_SERVICE_NAME] ?
+              data->set.str[STRING_PROXY_SERVICE_NAME] : "HTTP";
+    host = conn->http_proxy.host.name;
+    neg_ctx = &data->state.proxyneg;
+  }
+  else {
+    userp = conn->user;
+    passwdp = conn->passwd;
+    service = data->set.str[STRING_SERVICE_NAME] ?
+              data->set.str[STRING_SERVICE_NAME] : "HTTP";
+    host = conn->host.name;
+    neg_ctx = &data->state.negotiate;
+  }
+
+  /* Not set means empty */
+  if(!userp)
+    userp = "";
+
+  if(!passwdp)
+    passwdp = "";
+
+  /* Obtain the input token, if any */
+  header += strlen("Negotiate");
+  while(*header && ISSPACE(*header))
+    header++;
+
+  len = strlen(header);
+  if(!len) {
+    /* Is this the first call in a new negotiation? */
+    if(neg_ctx->context) {
+      /* The server rejected our authentication and hasn't suppled any more
+      negotiation mechanisms */
+      return CURLE_LOGIN_DENIED;
+    }
+  }
+
+  /* Supports SSL channel binding for Windows ISS extended protection */
+#if defined(USE_WINDOWS_SSPI) && defined(SECPKG_ATTR_ENDPOINT_BINDINGS)
+  neg_ctx->sslContext = conn->sslContext;
+#endif
+
+  /* Initialize the security context and decode our challenge */
+  result = Curl_auth_decode_spnego_message(data, userp, passwdp, service,
+                                           host, header, neg_ctx);
+
+  if(result)
+    Curl_auth_spnego_cleanup(neg_ctx);
+
+  return result;
+}
+
+CURLcode Curl_output_negotiate(struct connectdata *conn, bool proxy)
+{
+  struct negotiatedata *neg_ctx = proxy ? &conn->data->state.proxyneg :
+    &conn->data->state.negotiate;
+  char *base64 = NULL;
+  size_t len = 0;
+  char *userp;
+  CURLcode result;
+
+  result = Curl_auth_create_spnego_message(conn->data, neg_ctx, &base64, &len);
+  if(result)
+    return result;
+
+  userp = aprintf("%sAuthorization: Negotiate %s\r\n", proxy ? "Proxy-" : "",
+                  base64);
+
+  if(proxy) {
+    Curl_safefree(conn->allocptr.proxyuserpwd);
+    conn->allocptr.proxyuserpwd = userp;
+  }
+  else {
+    Curl_safefree(conn->allocptr.userpwd);
+    conn->allocptr.userpwd = userp;
+  }
+
+  free(base64);
+
+  return (userp == NULL) ? CURLE_OUT_OF_MEMORY : CURLE_OK;
+}
+
+void Curl_cleanup_negotiate(struct Curl_easy *data)
+{
+  Curl_auth_spnego_cleanup(&data->state.negotiate);
+  Curl_auth_spnego_cleanup(&data->state.proxyneg);
+}
+
+#endif /* !CURL_DISABLE_HTTP && USE_SPNEGO */
Index: trunk/src/libs/curl-7.64.0/lib/http_negotiate.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/http_negotiate.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/http_negotiate.h	(revision 85671)
@@ -0,0 +1,38 @@
+#ifndef HEADER_CURL_HTTP_NEGOTIATE_H
+#define HEADER_CURL_HTTP_NEGOTIATE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#ifdef USE_SPNEGO
+
+/* this is for Negotiate header input */
+CURLcode Curl_input_negotiate(struct connectdata *conn, bool proxy,
+                              const char *header);
+
+/* this is for creating Negotiate header output */
+CURLcode Curl_output_negotiate(struct connectdata *conn, bool proxy);
+
+void Curl_cleanup_negotiate(struct Curl_easy *data);
+
+#endif /* USE_SPNEGO */
+
+#endif /* HEADER_CURL_HTTP_NEGOTIATE_H */
Index: trunk/src/libs/curl-7.64.0/lib/http_ntlm.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/http_ntlm.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/http_ntlm.c	(revision 85671)
@@ -0,0 +1,254 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM)
+
+/*
+ * NTLM details:
+ *
+ * https://davenport.sourceforge.io/ntlm.html
+ * https://www.innovation.ch/java/ntlm.html
+ */
+
+#define DEBUG_ME 0
+
+#include "urldata.h"
+#include "sendf.h"
+#include "strcase.h"
+#include "http_ntlm.h"
+#include "curl_ntlm_core.h"
+#include "curl_ntlm_wb.h"
+#include "vauth/vauth.h"
+#include "url.h"
+
+/* SSL backend-specific #if branches in this file must be kept in the order
+   documented in curl_ntlm_core. */
+#if defined(NTLM_NEEDS_NSS_INIT)
+#include "vtls/nssg.h"
+#elif defined(USE_WINDOWS_SSPI)
+#include "curl_sspi.h"
+#endif
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#if DEBUG_ME
+# define DEBUG_OUT(x) x
+#else
+# define DEBUG_OUT(x) Curl_nop_stmt
+#endif
+
+CURLcode Curl_input_ntlm(struct connectdata *conn,
+                         bool proxy,         /* if proxy or not */
+                         const char *header) /* rest of the www-authenticate:
+                                                header */
+{
+  /* point to the correct struct with this */
+  struct ntlmdata *ntlm;
+  CURLcode result = CURLE_OK;
+
+  ntlm = proxy ? &conn->proxyntlm : &conn->ntlm;
+
+  if(checkprefix("NTLM", header)) {
+    header += strlen("NTLM");
+
+    while(*header && ISSPACE(*header))
+      header++;
+
+    if(*header) {
+      result = Curl_auth_decode_ntlm_type2_message(conn->data, header, ntlm);
+      if(result)
+        return result;
+
+      ntlm->state = NTLMSTATE_TYPE2; /* We got a type-2 message */
+    }
+    else {
+      if(ntlm->state == NTLMSTATE_LAST) {
+        infof(conn->data, "NTLM auth restarted\n");
+        Curl_http_ntlm_cleanup(conn);
+      }
+      else if(ntlm->state == NTLMSTATE_TYPE3) {
+        infof(conn->data, "NTLM handshake rejected\n");
+        Curl_http_ntlm_cleanup(conn);
+        ntlm->state = NTLMSTATE_NONE;
+        return CURLE_REMOTE_ACCESS_DENIED;
+      }
+      else if(ntlm->state >= NTLMSTATE_TYPE1) {
+        infof(conn->data, "NTLM handshake failure (internal error)\n");
+        return CURLE_REMOTE_ACCESS_DENIED;
+      }
+
+      ntlm->state = NTLMSTATE_TYPE1; /* We should send away a type-1 */
+    }
+  }
+
+  return result;
+}
+
+/*
+ * This is for creating ntlm header output
+ */
+CURLcode Curl_output_ntlm(struct connectdata *conn, bool proxy)
+{
+  char *base64 = NULL;
+  size_t len = 0;
+  CURLcode result;
+
+  /* point to the address of the pointer that holds the string to send to the
+     server, which is for a plain host or for a HTTP proxy */
+  char **allocuserpwd;
+
+  /* point to the username, password, service and host */
+  const char *userp;
+  const char *passwdp;
+  const char *service = NULL;
+  const char *hostname = NULL;
+
+  /* point to the correct struct with this */
+  struct ntlmdata *ntlm;
+  struct auth *authp;
+
+  DEBUGASSERT(conn);
+  DEBUGASSERT(conn->data);
+
+#if defined(NTLM_NEEDS_NSS_INIT)
+  if(CURLE_OK != Curl_nss_force_init(conn->data))
+    return CURLE_OUT_OF_MEMORY;
+#endif
+
+  if(proxy) {
+    allocuserpwd = &conn->allocptr.proxyuserpwd;
+    userp = conn->http_proxy.user;
+    passwdp = conn->http_proxy.passwd;
+    service = conn->data->set.str[STRING_PROXY_SERVICE_NAME] ?
+              conn->data->set.str[STRING_PROXY_SERVICE_NAME] : "HTTP";
+    hostname = conn->http_proxy.host.name;
+    ntlm = &conn->proxyntlm;
+    authp = &conn->data->state.authproxy;
+  }
+  else {
+    allocuserpwd = &conn->allocptr.userpwd;
+    userp = conn->user;
+    passwdp = conn->passwd;
+    service = conn->data->set.str[STRING_SERVICE_NAME] ?
+              conn->data->set.str[STRING_SERVICE_NAME] : "HTTP";
+    hostname = conn->host.name;
+    ntlm = &conn->ntlm;
+    authp = &conn->data->state.authhost;
+  }
+  authp->done = FALSE;
+
+  /* not set means empty */
+  if(!userp)
+    userp = "";
+
+  if(!passwdp)
+    passwdp = "";
+
+#ifdef USE_WINDOWS_SSPI
+  if(s_hSecDll == NULL) {
+    /* not thread safe and leaks - use curl_global_init() to avoid */
+    CURLcode err = Curl_sspi_global_init();
+    if(s_hSecDll == NULL)
+      return err;
+  }
+#ifdef SECPKG_ATTR_ENDPOINT_BINDINGS
+  ntlm->sslContext = conn->sslContext;
+#endif
+#endif
+
+  switch(ntlm->state) {
+  case NTLMSTATE_TYPE1:
+  default: /* for the weird cases we (re)start here */
+    /* Create a type-1 message */
+    result = Curl_auth_create_ntlm_type1_message(conn->data, userp, passwdp,
+                                                 service, hostname,
+                                                 ntlm, &base64,
+                                                 &len);
+    if(result)
+      return result;
+
+    if(base64) {
+      free(*allocuserpwd);
+      *allocuserpwd = aprintf("%sAuthorization: NTLM %s\r\n",
+                              proxy ? "Proxy-" : "",
+                              base64);
+      free(base64);
+      if(!*allocuserpwd)
+        return CURLE_OUT_OF_MEMORY;
+
+      DEBUG_OUT(fprintf(stderr, "**** Header %s\n ", *allocuserpwd));
+    }
+    break;
+
+  case NTLMSTATE_TYPE2:
+    /* We already received the type-2 message, create a type-3 message */
+    result = Curl_auth_create_ntlm_type3_message(conn->data, userp, passwdp,
+                                                 ntlm, &base64, &len);
+    if(result)
+      return result;
+
+    if(base64) {
+      free(*allocuserpwd);
+      *allocuserpwd = aprintf("%sAuthorization: NTLM %s\r\n",
+                              proxy ? "Proxy-" : "",
+                              base64);
+      free(base64);
+      if(!*allocuserpwd)
+        return CURLE_OUT_OF_MEMORY;
+
+      DEBUG_OUT(fprintf(stderr, "**** %s\n ", *allocuserpwd));
+
+      ntlm->state = NTLMSTATE_TYPE3; /* we send a type-3 */
+      authp->done = TRUE;
+    }
+    break;
+
+  case NTLMSTATE_TYPE3:
+    /* connection is already authenticated,
+     * don't send a header in future requests */
+    ntlm->state = NTLMSTATE_LAST;
+    /* FALLTHROUGH */
+  case NTLMSTATE_LAST:
+    Curl_safefree(*allocuserpwd);
+    authp->done = TRUE;
+    break;
+  }
+
+  return CURLE_OK;
+}
+
+void Curl_http_ntlm_cleanup(struct connectdata *conn)
+{
+  Curl_auth_ntlm_cleanup(&conn->ntlm);
+  Curl_auth_ntlm_cleanup(&conn->proxyntlm);
+
+#if defined(NTLM_WB_ENABLED)
+  Curl_ntlm_wb_cleanup(conn);
+#endif
+}
+
+#endif /* !CURL_DISABLE_HTTP && USE_NTLM */
Index: trunk/src/libs/curl-7.64.0/lib/http_ntlm.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/http_ntlm.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/http_ntlm.h	(revision 85671)
@@ -0,0 +1,40 @@
+#ifndef HEADER_CURL_NTLM_H
+#define HEADER_CURL_NTLM_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM)
+
+/* this is for ntlm header input */
+CURLcode Curl_input_ntlm(struct connectdata *conn, bool proxy,
+                         const char *header);
+
+/* this is for creating ntlm header output */
+CURLcode Curl_output_ntlm(struct connectdata *conn, bool proxy);
+
+void Curl_http_ntlm_cleanup(struct connectdata *conn);
+
+#endif /* !CURL_DISABLE_HTTP && USE_NTLM */
+
+#endif /* HEADER_CURL_NTLM_H */
Index: trunk/src/libs/curl-7.64.0/lib/http_proxy.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/http_proxy.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/http_proxy.c	(revision 85671)
@@ -0,0 +1,685 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include "http_proxy.h"
+
+#if !defined(CURL_DISABLE_PROXY) && !defined(CURL_DISABLE_HTTP)
+
+#include <curl/curl.h>
+#include "sendf.h"
+#include "http.h"
+#include "url.h"
+#include "select.h"
+#include "progress.h"
+#include "non-ascii.h"
+#include "connect.h"
+#include "curlx.h"
+#include "vtls/vtls.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Perform SSL initialization for HTTPS proxy.  Sets
+ * proxy_ssl_connected connection bit when complete.  Can be
+ * called multiple times.
+ */
+static CURLcode https_proxy_connect(struct connectdata *conn, int sockindex)
+{
+#ifdef USE_SSL
+  CURLcode result = CURLE_OK;
+  DEBUGASSERT(conn->http_proxy.proxytype == CURLPROXY_HTTPS);
+  if(!conn->bits.proxy_ssl_connected[sockindex]) {
+    /* perform SSL initialization for this socket */
+    result =
+      Curl_ssl_connect_nonblocking(conn, sockindex,
+                                   &conn->bits.proxy_ssl_connected[sockindex]);
+    if(result)
+      conn->bits.close = TRUE; /* a failed connection is marked for closure to
+                                  prevent (bad) re-use or similar */
+  }
+  return result;
+#else
+  (void) conn;
+  (void) sockindex;
+  return CURLE_NOT_BUILT_IN;
+#endif
+}
+
+CURLcode Curl_proxy_connect(struct connectdata *conn, int sockindex)
+{
+  if(conn->http_proxy.proxytype == CURLPROXY_HTTPS) {
+    const CURLcode result = https_proxy_connect(conn, sockindex);
+    if(result)
+      return result;
+    if(!conn->bits.proxy_ssl_connected[sockindex])
+      return result; /* wait for HTTPS proxy SSL initialization to complete */
+  }
+
+  if(conn->bits.tunnel_proxy && conn->bits.httpproxy) {
+#ifndef CURL_DISABLE_PROXY
+    /* for [protocol] tunneled through HTTP proxy */
+    struct HTTP http_proxy;
+    void *prot_save;
+    const char *hostname;
+    int remote_port;
+    CURLcode result;
+
+    /* BLOCKING */
+    /* We want "seamless" operations through HTTP proxy tunnel */
+
+    /* Curl_proxyCONNECT is based on a pointer to a struct HTTP at the
+     * member conn->proto.http; we want [protocol] through HTTP and we have
+     * to change the member temporarily for connecting to the HTTP
+     * proxy. After Curl_proxyCONNECT we have to set back the member to the
+     * original pointer
+     *
+     * This function might be called several times in the multi interface case
+     * if the proxy's CONNECT response is not instant.
+     */
+    prot_save = conn->data->req.protop;
+    memset(&http_proxy, 0, sizeof(http_proxy));
+    conn->data->req.protop = &http_proxy;
+    connkeep(conn, "HTTP proxy CONNECT");
+
+    /* for the secondary socket (FTP), use the "connect to host"
+     * but ignore the "connect to port" (use the secondary port)
+     */
+
+    if(conn->bits.conn_to_host)
+      hostname = conn->conn_to_host.name;
+    else if(sockindex == SECONDARYSOCKET)
+      hostname = conn->secondaryhostname;
+    else
+      hostname = conn->host.name;
+
+    if(sockindex == SECONDARYSOCKET)
+      remote_port = conn->secondary_port;
+    else if(conn->bits.conn_to_port)
+      remote_port = conn->conn_to_port;
+    else
+      remote_port = conn->remote_port;
+    result = Curl_proxyCONNECT(conn, sockindex, hostname, remote_port);
+    conn->data->req.protop = prot_save;
+    if(CURLE_OK != result)
+      return result;
+    Curl_safefree(conn->allocptr.proxyuserpwd);
+#else
+    return CURLE_NOT_BUILT_IN;
+#endif
+  }
+  /* no HTTP tunnel proxy, just return */
+  return CURLE_OK;
+}
+
+bool Curl_connect_complete(struct connectdata *conn)
+{
+  return !conn->connect_state ||
+    (conn->connect_state->tunnel_state == TUNNEL_COMPLETE);
+}
+
+bool Curl_connect_ongoing(struct connectdata *conn)
+{
+  return conn->connect_state &&
+    (conn->connect_state->tunnel_state != TUNNEL_COMPLETE);
+}
+
+static CURLcode connect_init(struct connectdata *conn, bool reinit)
+{
+  struct http_connect_state *s;
+  if(!reinit) {
+    DEBUGASSERT(!conn->connect_state);
+    s = calloc(1, sizeof(struct http_connect_state));
+    if(!s)
+      return CURLE_OUT_OF_MEMORY;
+    infof(conn->data, "allocate connect buffer!\n");
+    conn->connect_state = s;
+  }
+  else {
+    DEBUGASSERT(conn->connect_state);
+    s = conn->connect_state;
+  }
+  s->tunnel_state = TUNNEL_INIT;
+  s->keepon = TRUE;
+  s->line_start = s->connect_buffer;
+  s->ptr = s->line_start;
+  s->cl = 0;
+  s->close_connection = FALSE;
+  return CURLE_OK;
+}
+
+static void connect_done(struct connectdata *conn)
+{
+  struct http_connect_state *s = conn->connect_state;
+  s->tunnel_state = TUNNEL_COMPLETE;
+  infof(conn->data, "CONNECT phase completed!\n");
+}
+
+static CURLcode CONNECT(struct connectdata *conn,
+                        int sockindex,
+                        const char *hostname,
+                        int remote_port)
+{
+  int subversion = 0;
+  struct Curl_easy *data = conn->data;
+  struct SingleRequest *k = &data->req;
+  CURLcode result;
+  curl_socket_t tunnelsocket = conn->sock[sockindex];
+  struct http_connect_state *s = conn->connect_state;
+
+#define SELECT_OK      0
+#define SELECT_ERROR   1
+
+  if(Curl_connect_complete(conn))
+    return CURLE_OK; /* CONNECT is already completed */
+
+  conn->bits.proxy_connect_closed = FALSE;
+
+  do {
+    timediff_t check;
+    if(TUNNEL_INIT == s->tunnel_state) {
+      /* BEGIN CONNECT PHASE */
+      char *host_port;
+      Curl_send_buffer *req_buffer;
+
+      infof(data, "Establish HTTP proxy tunnel to %s:%d\n",
+            hostname, remote_port);
+
+        /* This only happens if we've looped here due to authentication
+           reasons, and we don't really use the newly cloned URL here
+           then. Just free() it. */
+      free(data->req.newurl);
+      data->req.newurl = NULL;
+
+      /* initialize a dynamic send-buffer */
+      req_buffer = Curl_add_buffer_init();
+
+      if(!req_buffer)
+        return CURLE_OUT_OF_MEMORY;
+
+      host_port = aprintf("%s:%d", hostname, remote_port);
+      if(!host_port) {
+        Curl_add_buffer_free(&req_buffer);
+        return CURLE_OUT_OF_MEMORY;
+      }
+
+      /* Setup the proxy-authorization header, if any */
+      result = Curl_http_output_auth(conn, "CONNECT", host_port, TRUE);
+
+      free(host_port);
+
+      if(!result) {
+        char *host = NULL;
+        const char *proxyconn = "";
+        const char *useragent = "";
+        const char *http = (conn->http_proxy.proxytype == CURLPROXY_HTTP_1_0) ?
+          "1.0" : "1.1";
+        bool ipv6_ip = conn->bits.ipv6_ip;
+        char *hostheader;
+
+        /* the hostname may be different */
+        if(hostname != conn->host.name)
+          ipv6_ip = (strchr(hostname, ':') != NULL);
+        hostheader = /* host:port with IPv6 support */
+          aprintf("%s%s%s:%d", ipv6_ip?"[":"", hostname, ipv6_ip?"]":"",
+                  remote_port);
+        if(!hostheader) {
+          Curl_add_buffer_free(&req_buffer);
+          return CURLE_OUT_OF_MEMORY;
+        }
+
+        if(!Curl_checkProxyheaders(conn, "Host")) {
+          host = aprintf("Host: %s\r\n", hostheader);
+          if(!host) {
+            free(hostheader);
+            Curl_add_buffer_free(&req_buffer);
+            return CURLE_OUT_OF_MEMORY;
+          }
+        }
+        if(!Curl_checkProxyheaders(conn, "Proxy-Connection"))
+          proxyconn = "Proxy-Connection: Keep-Alive\r\n";
+
+        if(!Curl_checkProxyheaders(conn, "User-Agent") &&
+           data->set.str[STRING_USERAGENT])
+          useragent = conn->allocptr.uagent;
+
+        result =
+          Curl_add_bufferf(&req_buffer,
+                           "CONNECT %s HTTP/%s\r\n"
+                           "%s"  /* Host: */
+                           "%s"  /* Proxy-Authorization */
+                           "%s"  /* User-Agent */
+                           "%s", /* Proxy-Connection */
+                           hostheader,
+                           http,
+                           host?host:"",
+                           conn->allocptr.proxyuserpwd?
+                           conn->allocptr.proxyuserpwd:"",
+                           useragent,
+                           proxyconn);
+
+        if(host)
+          free(host);
+        free(hostheader);
+
+        if(!result)
+          result = Curl_add_custom_headers(conn, TRUE, req_buffer);
+
+        if(!result)
+          /* CRLF terminate the request */
+          result = Curl_add_bufferf(&req_buffer, "\r\n");
+
+        if(!result) {
+          /* Send the connect request to the proxy */
+          /* BLOCKING */
+          result =
+            Curl_add_buffer_send(&req_buffer, conn,
+                                 &data->info.request_size, 0, sockindex);
+        }
+        req_buffer = NULL;
+        if(result)
+          failf(data, "Failed sending CONNECT to proxy");
+      }
+
+      Curl_add_buffer_free(&req_buffer);
+      if(result)
+        return result;
+
+      s->tunnel_state = TUNNEL_CONNECT;
+      s->perline = 0;
+    } /* END CONNECT PHASE */
+
+    check = Curl_timeleft(data, NULL, TRUE);
+    if(check <= 0) {
+      failf(data, "Proxy CONNECT aborted due to timeout");
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+
+    if(!Curl_conn_data_pending(conn, sockindex))
+      /* return so we'll be called again polling-style */
+      return CURLE_OK;
+
+    /* at this point, the tunnel_connecting phase is over. */
+
+    { /* READING RESPONSE PHASE */
+      int error = SELECT_OK;
+
+      while(s->keepon && !error) {
+        ssize_t gotbytes;
+
+        /* make sure we have space to read more data */
+        if(s->ptr >= &s->connect_buffer[CONNECT_BUFFER_SIZE]) {
+          failf(data, "CONNECT response too large!");
+          return CURLE_RECV_ERROR;
+        }
+
+        /* Read one byte at a time to avoid a race condition. Wait at most one
+           second before looping to ensure continuous pgrsUpdates. */
+        result = Curl_read(conn, tunnelsocket, s->ptr, 1, &gotbytes);
+        if(result == CURLE_AGAIN)
+          /* socket buffer drained, return */
+          return CURLE_OK;
+
+        if(Curl_pgrsUpdate(conn))
+          return CURLE_ABORTED_BY_CALLBACK;
+
+        if(result) {
+          s->keepon = FALSE;
+          break;
+        }
+        else if(gotbytes <= 0) {
+          if(data->set.proxyauth && data->state.authproxy.avail) {
+            /* proxy auth was requested and there was proxy auth available,
+               then deem this as "mere" proxy disconnect */
+            conn->bits.proxy_connect_closed = TRUE;
+            infof(data, "Proxy CONNECT connection closed\n");
+          }
+          else {
+            error = SELECT_ERROR;
+            failf(data, "Proxy CONNECT aborted");
+          }
+          s->keepon = FALSE;
+          break;
+        }
+
+
+        if(s->keepon > TRUE) {
+          /* This means we are currently ignoring a response-body */
+
+          s->ptr = s->connect_buffer;
+          if(s->cl) {
+            /* A Content-Length based body: simply count down the counter
+               and make sure to break out of the loop when we're done! */
+            s->cl--;
+            if(s->cl <= 0) {
+              s->keepon = FALSE;
+              s->tunnel_state = TUNNEL_COMPLETE;
+              break;
+            }
+          }
+          else {
+            /* chunked-encoded body, so we need to do the chunked dance
+               properly to know when the end of the body is reached */
+            CHUNKcode r;
+            ssize_t tookcareof = 0;
+
+            /* now parse the chunked piece of data so that we can
+               properly tell when the stream ends */
+            r = Curl_httpchunk_read(conn, s->ptr, 1, &tookcareof);
+            if(r == CHUNKE_STOP) {
+              /* we're done reading chunks! */
+              infof(data, "chunk reading DONE\n");
+              s->keepon = FALSE;
+              /* we did the full CONNECT treatment, go COMPLETE */
+              s->tunnel_state = TUNNEL_COMPLETE;
+            }
+          }
+          continue;
+        }
+
+        s->perline++; /* amount of bytes in this line so far */
+
+        /* if this is not the end of a header line then continue */
+        if(*s->ptr != 0x0a) {
+          s->ptr++;
+          continue;
+        }
+
+        /* convert from the network encoding */
+        result = Curl_convert_from_network(data, s->line_start,
+                                           (size_t)s->perline);
+        /* Curl_convert_from_network calls failf if unsuccessful */
+        if(result)
+          return result;
+
+        /* output debug if that is requested */
+        if(data->set.verbose)
+          Curl_debug(data, CURLINFO_HEADER_IN,
+                     s->line_start, (size_t)s->perline);
+
+        if(!data->set.suppress_connect_headers) {
+          /* send the header to the callback */
+          int writetype = CLIENTWRITE_HEADER;
+          if(data->set.include_header)
+            writetype |= CLIENTWRITE_BODY;
+
+          result = Curl_client_write(conn, writetype,
+                                     s->line_start, s->perline);
+          if(result)
+            return result;
+        }
+
+        data->info.header_size += (long)s->perline;
+        data->req.headerbytecount += (long)s->perline;
+
+        /* Newlines are CRLF, so the CR is ignored as the line isn't
+           really terminated until the LF comes. Treat a following CR
+           as end-of-headers as well.*/
+
+        if(('\r' == s->line_start[0]) ||
+           ('\n' == s->line_start[0])) {
+          /* end of response-headers from the proxy */
+          s->ptr = s->connect_buffer;
+          if((407 == k->httpcode) && !data->state.authproblem) {
+            /* If we get a 407 response code with content length
+               when we have no auth problem, we must ignore the
+               whole response-body */
+            s->keepon = 2;
+
+            if(s->cl) {
+              infof(data, "Ignore %" CURL_FORMAT_CURL_OFF_T
+                    " bytes of response-body\n", s->cl);
+            }
+            else if(s->chunked_encoding) {
+              CHUNKcode r;
+
+              infof(data, "Ignore chunked response-body\n");
+
+              /* We set ignorebody true here since the chunked
+                 decoder function will acknowledge that. Pay
+                 attention so that this is cleared again when this
+                 function returns! */
+              k->ignorebody = TRUE;
+
+              if(s->line_start[1] == '\n') {
+                /* this can only be a LF if the letter at index 0
+                   was a CR */
+                s->line_start++;
+              }
+
+              /* now parse the chunked piece of data so that we can
+                 properly tell when the stream ends */
+              r = Curl_httpchunk_read(conn, s->line_start + 1, 1, &gotbytes);
+              if(r == CHUNKE_STOP) {
+                /* we're done reading chunks! */
+                infof(data, "chunk reading DONE\n");
+                s->keepon = FALSE;
+                /* we did the full CONNECT treatment, go to COMPLETE */
+                s->tunnel_state = TUNNEL_COMPLETE;
+              }
+            }
+            else {
+              /* without content-length or chunked encoding, we
+                 can't keep the connection alive since the close is
+                 the end signal so we bail out at once instead */
+              s->keepon = FALSE;
+            }
+          }
+          else
+            s->keepon = FALSE;
+          if(!s->cl)
+            /* we did the full CONNECT treatment, go to COMPLETE */
+            s->tunnel_state = TUNNEL_COMPLETE;
+          continue;
+        }
+
+        s->line_start[s->perline] = 0; /* zero terminate the buffer */
+        if((checkprefix("WWW-Authenticate:", s->line_start) &&
+            (401 == k->httpcode)) ||
+           (checkprefix("Proxy-authenticate:", s->line_start) &&
+            (407 == k->httpcode))) {
+
+          bool proxy = (k->httpcode == 407) ? TRUE : FALSE;
+          char *auth = Curl_copy_header_value(s->line_start);
+          if(!auth)
+            return CURLE_OUT_OF_MEMORY;
+
+          result = Curl_http_input_auth(conn, proxy, auth);
+
+          free(auth);
+
+          if(result)
+            return result;
+        }
+        else if(checkprefix("Content-Length:", s->line_start)) {
+          if(k->httpcode/100 == 2) {
+            /* A client MUST ignore any Content-Length or Transfer-Encoding
+               header fields received in a successful response to CONNECT.
+               "Successful" described as: 2xx (Successful). RFC 7231 4.3.6 */
+            infof(data, "Ignoring Content-Length in CONNECT %03d response\n",
+                  k->httpcode);
+          }
+          else {
+            (void)curlx_strtoofft(s->line_start +
+                                  strlen("Content-Length:"), NULL, 10, &s->cl);
+          }
+        }
+        else if(Curl_compareheader(s->line_start, "Connection:", "close"))
+          s->close_connection = TRUE;
+        else if(checkprefix("Transfer-Encoding:", s->line_start)) {
+          if(k->httpcode/100 == 2) {
+            /* A client MUST ignore any Content-Length or Transfer-Encoding
+               header fields received in a successful response to CONNECT.
+               "Successful" described as: 2xx (Successful). RFC 7231 4.3.6 */
+            infof(data, "Ignoring Transfer-Encoding in "
+                  "CONNECT %03d response\n", k->httpcode);
+          }
+          else if(Curl_compareheader(s->line_start,
+                                     "Transfer-Encoding:", "chunked")) {
+            infof(data, "CONNECT responded chunked\n");
+            s->chunked_encoding = TRUE;
+            /* init our chunky engine */
+            Curl_httpchunk_init(conn);
+          }
+        }
+        else if(Curl_compareheader(s->line_start,
+                                   "Proxy-Connection:", "close"))
+          s->close_connection = TRUE;
+        else if(2 == sscanf(s->line_start, "HTTP/1.%d %d",
+                            &subversion,
+                            &k->httpcode)) {
+          /* store the HTTP code from the proxy */
+          data->info.httpproxycode = k->httpcode;
+        }
+
+        s->perline = 0; /* line starts over here */
+        s->ptr = s->connect_buffer;
+        s->line_start = s->ptr;
+      } /* while there's buffer left and loop is requested */
+
+      if(Curl_pgrsUpdate(conn))
+        return CURLE_ABORTED_BY_CALLBACK;
+
+      if(error)
+        return CURLE_RECV_ERROR;
+
+      if(data->info.httpproxycode/100 != 2) {
+        /* Deal with the possibly already received authenticate
+           headers. 'newurl' is set to a new URL if we must loop. */
+        result = Curl_http_auth_act(conn);
+        if(result)
+          return result;
+
+        if(conn->bits.close)
+          /* the connection has been marked for closure, most likely in the
+             Curl_http_auth_act() function and thus we can kill it at once
+             below */
+          s->close_connection = TRUE;
+      }
+
+      if(s->close_connection && data->req.newurl) {
+        /* Connection closed by server. Don't use it anymore */
+        Curl_closesocket(conn, conn->sock[sockindex]);
+        conn->sock[sockindex] = CURL_SOCKET_BAD;
+        break;
+      }
+    } /* END READING RESPONSE PHASE */
+
+    /* If we are supposed to continue and request a new URL, which basically
+     * means the HTTP authentication is still going on so if the tunnel
+     * is complete we start over in INIT state */
+    if(data->req.newurl && (TUNNEL_COMPLETE == s->tunnel_state)) {
+      connect_init(conn, TRUE); /* reinit */
+    }
+
+  } while(data->req.newurl);
+
+  if(data->info.httpproxycode/100 != 2) {
+    if(s->close_connection && data->req.newurl) {
+      conn->bits.proxy_connect_closed = TRUE;
+      infof(data, "Connect me again please\n");
+      connect_done(conn);
+    }
+    else {
+      free(data->req.newurl);
+      data->req.newurl = NULL;
+      /* failure, close this connection to avoid re-use */
+      streamclose(conn, "proxy CONNECT failure");
+      Curl_closesocket(conn, conn->sock[sockindex]);
+      conn->sock[sockindex] = CURL_SOCKET_BAD;
+    }
+
+    /* to back to init state */
+    s->tunnel_state = TUNNEL_INIT;
+
+    if(conn->bits.proxy_connect_closed)
+      /* this is not an error, just part of the connection negotiation */
+      return CURLE_OK;
+    failf(data, "Received HTTP code %d from proxy after CONNECT",
+          data->req.httpcode);
+    return CURLE_RECV_ERROR;
+  }
+
+  s->tunnel_state = TUNNEL_COMPLETE;
+
+  /* If a proxy-authorization header was used for the proxy, then we should
+     make sure that it isn't accidentally used for the document request
+     after we've connected. So let's free and clear it here. */
+  Curl_safefree(conn->allocptr.proxyuserpwd);
+  conn->allocptr.proxyuserpwd = NULL;
+
+  data->state.authproxy.done = TRUE;
+
+  infof(data, "Proxy replied %d to CONNECT request\n",
+        data->info.httpproxycode);
+  data->req.ignorebody = FALSE; /* put it (back) to non-ignore state */
+  conn->bits.rewindaftersend = FALSE; /* make sure this isn't set for the
+                                         document request  */
+  return CURLE_OK;
+}
+
+void Curl_connect_free(struct Curl_easy *data)
+{
+  struct connectdata *conn = data->conn;
+  struct http_connect_state *s = conn->connect_state;
+  if(s) {
+    free(s);
+    conn->connect_state = NULL;
+  }
+}
+
+/*
+ * Curl_proxyCONNECT() requires that we're connected to a HTTP proxy. This
+ * function will issue the necessary commands to get a seamless tunnel through
+ * this proxy. After that, the socket can be used just as a normal socket.
+ */
+
+CURLcode Curl_proxyCONNECT(struct connectdata *conn,
+                           int sockindex,
+                           const char *hostname,
+                           int remote_port)
+{
+  CURLcode result;
+  if(!conn->connect_state) {
+    result = connect_init(conn, FALSE);
+    if(result)
+      return result;
+  }
+  result = CONNECT(conn, sockindex, hostname, remote_port);
+
+  if(result || Curl_connect_complete(conn))
+    connect_done(conn);
+
+  return result;
+}
+
+#else
+void Curl_connect_free(struct Curl_easy *data)
+{
+  (void)data;
+}
+
+#endif /* CURL_DISABLE_PROXY */
Index: trunk/src/libs/curl-7.64.0/lib/http_proxy.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/http_proxy.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/http_proxy.h	(revision 85671)
@@ -0,0 +1,51 @@
+#ifndef HEADER_CURL_HTTP_PROXY_H
+#define HEADER_CURL_HTTP_PROXY_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+#include "urldata.h"
+
+#if !defined(CURL_DISABLE_PROXY) && !defined(CURL_DISABLE_HTTP)
+/* ftp can use this as well */
+CURLcode Curl_proxyCONNECT(struct connectdata *conn,
+                           int tunnelsocket,
+                           const char *hostname, int remote_port);
+
+/* Default proxy timeout in milliseconds */
+#define PROXY_TIMEOUT (3600*1000)
+
+CURLcode Curl_proxy_connect(struct connectdata *conn, int sockindex);
+
+bool Curl_connect_complete(struct connectdata *conn);
+bool Curl_connect_ongoing(struct connectdata *conn);
+
+#else
+#define Curl_proxyCONNECT(x,y,z,w) CURLE_NOT_BUILT_IN
+#define Curl_proxy_connect(x,y) CURLE_OK
+#define Curl_connect_complete(x) CURLE_OK
+#define Curl_connect_ongoing(x) FALSE
+#endif
+
+void Curl_connect_free(struct Curl_easy *data);
+
+#endif /* HEADER_CURL_HTTP_PROXY_H */
Index: trunk/src/libs/curl-7.64.0/lib/idn_win32.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/idn_win32.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/idn_win32.c	(revision 85671)
@@ -0,0 +1,111 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+ /*
+  * IDN conversions using Windows kernel32 and normaliz libraries.
+  */
+
+#include "curl_setup.h"
+
+#ifdef USE_WIN32_IDN
+
+#include "curl_multibyte.h"
+#include "curl_memory.h"
+#include "warnless.h"
+
+  /* The last #include file should be: */
+#include "memdebug.h"
+
+#ifdef WANT_IDN_PROTOTYPES
+#  if defined(_SAL_VERSION)
+WINNORMALIZEAPI int WINAPI
+IdnToAscii(_In_                           DWORD    dwFlags,
+           _In_reads_(cchUnicodeChar)     LPCWSTR  lpUnicodeCharStr,
+           _In_                           int      cchUnicodeChar,
+           _Out_writes_opt_(cchASCIIChar) LPWSTR   lpASCIICharStr,
+           _In_                           int      cchASCIIChar);
+WINNORMALIZEAPI int WINAPI
+IdnToUnicode(_In_                             DWORD   dwFlags,
+             _In_reads_(cchASCIIChar)         LPCWSTR lpASCIICharStr,
+             _In_                             int     cchASCIIChar,
+             _Out_writes_opt_(cchUnicodeChar) LPWSTR  lpUnicodeCharStr,
+             _In_                             int     cchUnicodeChar);
+#  else
+WINBASEAPI int WINAPI IdnToAscii(DWORD dwFlags,
+                                 const WCHAR *lpUnicodeCharStr,
+                                 int cchUnicodeChar,
+                                 WCHAR *lpASCIICharStr,
+                                 int cchASCIIChar);
+WINBASEAPI int WINAPI IdnToUnicode(DWORD dwFlags,
+                                   const WCHAR *lpASCIICharStr,
+                                   int cchASCIIChar,
+                                   WCHAR *lpUnicodeCharStr,
+                                   int cchUnicodeChar);
+#  endif
+#endif
+
+#define IDN_MAX_LENGTH 255
+
+bool curl_win32_idn_to_ascii(const char *in, char **out);
+bool curl_win32_ascii_to_idn(const char *in, char **out);
+
+bool curl_win32_idn_to_ascii(const char *in, char **out)
+{
+  bool success = FALSE;
+
+  wchar_t *in_w = Curl_convert_UTF8_to_wchar(in);
+  if(in_w) {
+    wchar_t punycode[IDN_MAX_LENGTH];
+    int chars = IdnToAscii(0, in_w, -1, punycode, IDN_MAX_LENGTH);
+    free(in_w);
+    if(chars) {
+      *out = Curl_convert_wchar_to_UTF8(punycode);
+      if(*out)
+        success = TRUE;
+    }
+  }
+
+  return success;
+}
+
+bool curl_win32_ascii_to_idn(const char *in, char **out)
+{
+  bool success = FALSE;
+
+  wchar_t *in_w = Curl_convert_UTF8_to_wchar(in);
+  if(in_w) {
+    size_t in_len = wcslen(in_w) + 1;
+    wchar_t unicode[IDN_MAX_LENGTH];
+    int chars = IdnToUnicode(0, in_w, curlx_uztosi(in_len),
+                             unicode, IDN_MAX_LENGTH);
+    free(in_w);
+    if(chars) {
+      *out = Curl_convert_wchar_to_UTF8(unicode);
+      if(*out)
+        success = TRUE;
+    }
+  }
+
+  return success;
+}
+
+#endif /* USE_WIN32_IDN */
Index: trunk/src/libs/curl-7.64.0/lib/if2ip.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/if2ip.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/if2ip.c	(revision 85671)
@@ -0,0 +1,240 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_NETINET_IN_H
+#  include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#  include <arpa/inet.h>
+#endif
+#ifdef HAVE_NET_IF_H
+#  include <net/if.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+#  include <sys/ioctl.h>
+#endif
+#ifdef HAVE_NETDB_H
+#  include <netdb.h>
+#endif
+#ifdef HAVE_SYS_SOCKIO_H
+#  include <sys/sockio.h>
+#endif
+#ifdef HAVE_IFADDRS_H
+#  include <ifaddrs.h>
+#endif
+#ifdef HAVE_STROPTS_H
+#  include <stropts.h>
+#endif
+#ifdef __VMS
+#  include <inet.h>
+#endif
+
+#include "inet_ntop.h"
+#include "strcase.h"
+#include "if2ip.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* ------------------------------------------------------------------ */
+
+/* Return the scope of the given address. */
+unsigned int Curl_ipv6_scope(const struct sockaddr *sa)
+{
+#ifndef ENABLE_IPV6
+  (void) sa;
+#else
+  if(sa->sa_family == AF_INET6) {
+    const struct sockaddr_in6 * sa6 = (const struct sockaddr_in6 *)(void *) sa;
+    const unsigned char *b = sa6->sin6_addr.s6_addr;
+    unsigned short w = (unsigned short) ((b[0] << 8) | b[1]);
+
+    if((b[0] & 0xFE) == 0xFC) /* Handle ULAs */
+      return IPV6_SCOPE_UNIQUELOCAL;
+    switch(w & 0xFFC0) {
+    case 0xFE80:
+      return IPV6_SCOPE_LINKLOCAL;
+    case 0xFEC0:
+      return IPV6_SCOPE_SITELOCAL;
+    case 0x0000:
+      w = b[1] | b[2] | b[3] | b[4] | b[5] | b[6] | b[7] | b[8] | b[9] |
+          b[10] | b[11] | b[12] | b[13] | b[14];
+      if(w || b[15] != 0x01)
+        break;
+      return IPV6_SCOPE_NODELOCAL;
+    default:
+      break;
+    }
+  }
+#endif
+
+  return IPV6_SCOPE_GLOBAL;
+}
+
+
+#if defined(HAVE_GETIFADDRS)
+
+if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
+                          unsigned int remote_scope_id, const char *interf,
+                          char *buf, int buf_size)
+{
+  struct ifaddrs *iface, *head;
+  if2ip_result_t res = IF2IP_NOT_FOUND;
+
+#ifndef ENABLE_IPV6
+  (void) remote_scope;
+#endif
+
+#if !defined(HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID) || \
+    !defined(ENABLE_IPV6)
+  (void) remote_scope_id;
+#endif
+
+  if(getifaddrs(&head) >= 0) {
+    for(iface = head; iface != NULL; iface = iface->ifa_next) {
+      if(iface->ifa_addr != NULL) {
+        if(iface->ifa_addr->sa_family == af) {
+          if(strcasecompare(iface->ifa_name, interf)) {
+            void *addr;
+            char *ip;
+            char scope[12] = "";
+            char ipstr[64];
+#ifdef ENABLE_IPV6
+            if(af == AF_INET6) {
+              unsigned int scopeid = 0;
+              unsigned int ifscope = Curl_ipv6_scope(iface->ifa_addr);
+
+              if(ifscope != remote_scope) {
+                /* We are interested only in interface addresses whose
+                   scope matches the remote address we want to
+                   connect to: global for global, link-local for
+                   link-local, etc... */
+                if(res == IF2IP_NOT_FOUND) res = IF2IP_AF_NOT_SUPPORTED;
+                continue;
+              }
+
+              addr =
+                &((struct sockaddr_in6 *)(void *)iface->ifa_addr)->sin6_addr;
+#ifdef HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID
+              /* Include the scope of this interface as part of the address */
+              scopeid = ((struct sockaddr_in6 *)(void *)iface->ifa_addr)
+                            ->sin6_scope_id;
+
+              /* If given, scope id should match. */
+              if(remote_scope_id && scopeid != remote_scope_id) {
+                if(res == IF2IP_NOT_FOUND)
+                  res = IF2IP_AF_NOT_SUPPORTED;
+
+                continue;
+              }
+#endif
+              if(scopeid)
+                msnprintf(scope, sizeof(scope), "%%%u", scopeid);
+            }
+            else
+#endif
+              addr =
+                  &((struct sockaddr_in *)(void *)iface->ifa_addr)->sin_addr;
+            res = IF2IP_FOUND;
+            ip = (char *) Curl_inet_ntop(af, addr, ipstr, sizeof(ipstr));
+            msnprintf(buf, buf_size, "%s%s", ip, scope);
+            break;
+          }
+        }
+        else if((res == IF2IP_NOT_FOUND) &&
+                strcasecompare(iface->ifa_name, interf)) {
+          res = IF2IP_AF_NOT_SUPPORTED;
+        }
+      }
+    }
+
+    freeifaddrs(head);
+  }
+
+  return res;
+}
+
+#elif defined(HAVE_IOCTL_SIOCGIFADDR)
+
+if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
+                          unsigned int remote_scope_id, const char *interf,
+                          char *buf, int buf_size)
+{
+  struct ifreq req;
+  struct in_addr in;
+  struct sockaddr_in *s;
+  curl_socket_t dummy;
+  size_t len;
+
+  (void)remote_scope;
+  (void)remote_scope_id;
+
+  if(!interf || (af != AF_INET))
+    return IF2IP_NOT_FOUND;
+
+  len = strlen(interf);
+  if(len >= sizeof(req.ifr_name))
+    return IF2IP_NOT_FOUND;
+
+  dummy = socket(AF_INET, SOCK_STREAM, 0);
+  if(CURL_SOCKET_BAD == dummy)
+    return IF2IP_NOT_FOUND;
+
+  memset(&req, 0, sizeof(req));
+  memcpy(req.ifr_name, interf, len + 1);
+  req.ifr_addr.sa_family = AF_INET;
+
+  if(ioctl(dummy, SIOCGIFADDR, &req) < 0) {
+    sclose(dummy);
+    /* With SIOCGIFADDR, we cannot tell the difference between an interface
+       that does not exist and an interface that has no address of the
+       correct family. Assume the interface does not exist */
+    return IF2IP_NOT_FOUND;
+  }
+
+  s = (struct sockaddr_in *)(void *)&req.ifr_addr;
+  memcpy(&in, &s->sin_addr, sizeof(in));
+  Curl_inet_ntop(s->sin_family, &in, buf, buf_size);
+
+  sclose(dummy);
+  return IF2IP_FOUND;
+}
+
+#else
+
+if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
+                          unsigned int remote_scope_id, const char *interf,
+                          char *buf, int buf_size)
+{
+    (void) af;
+    (void) remote_scope;
+    (void) remote_scope_id;
+    (void) interf;
+    (void) buf;
+    (void) buf_size;
+    return IF2IP_NOT_FOUND;
+}
+
+#endif
Index: trunk/src/libs/curl-7.64.0/lib/if2ip.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/if2ip.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/if2ip.h	(revision 85671)
@@ -0,0 +1,82 @@
+#ifndef HEADER_CURL_IF2IP_H
+#define HEADER_CURL_IF2IP_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+/* IPv6 address scopes. */
+#define IPV6_SCOPE_GLOBAL       0       /* Global scope. */
+#define IPV6_SCOPE_LINKLOCAL    1       /* Link-local scope. */
+#define IPV6_SCOPE_SITELOCAL    2       /* Site-local scope (deprecated). */
+#define IPV6_SCOPE_UNIQUELOCAL  3       /* Unique local */
+#define IPV6_SCOPE_NODELOCAL    4       /* Loopback. */
+
+unsigned int Curl_ipv6_scope(const struct sockaddr *sa);
+
+typedef enum {
+  IF2IP_NOT_FOUND = 0, /* Interface not found */
+  IF2IP_AF_NOT_SUPPORTED = 1, /* Int. exists but has no address for this af */
+  IF2IP_FOUND = 2 /* The address has been stored in "buf" */
+} if2ip_result_t;
+
+if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
+                          unsigned int remote_scope_id, const char *interf,
+                          char *buf, int buf_size);
+
+#ifdef __INTERIX
+
+/* Nedelcho Stanev's work-around for SFU 3.0 */
+struct ifreq {
+#define IFNAMSIZ 16
+#define IFHWADDRLEN 6
+  union {
+    char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
+  } ifr_ifrn;
+
+ union {
+   struct sockaddr ifru_addr;
+   struct sockaddr ifru_broadaddr;
+   struct sockaddr ifru_netmask;
+   struct sockaddr ifru_hwaddr;
+   short ifru_flags;
+   int ifru_metric;
+   int ifru_mtu;
+ } ifr_ifru;
+};
+
+/* This define was added by Daniel to avoid an extra #ifdef INTERIX in the
+   C code. */
+
+#define ifr_name ifr_ifrn.ifrn_name /* interface name */
+#define ifr_addr ifr_ifru.ifru_addr /* address */
+#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
+#define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */
+#define ifr_flags ifr_ifru.ifru_flags /* flags */
+#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
+#define ifr_metric ifr_ifru.ifru_metric /* metric */
+#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
+
+#define SIOCGIFADDR _IOW('s', 102, struct ifreq) /* Get if addr */
+
+#endif /* __INTERIX */
+
+#endif /* HEADER_CURL_IF2IP_H */
Index: trunk/src/libs/curl-7.64.0/lib/imap.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/imap.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/imap.c	(revision 85671)
@@ -0,0 +1,2116 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * RFC2195 CRAM-MD5 authentication
+ * RFC2595 Using TLS with IMAP, POP3 and ACAP
+ * RFC2831 DIGEST-MD5 authentication
+ * RFC3501 IMAPv4 protocol
+ * RFC4422 Simple Authentication and Security Layer (SASL)
+ * RFC4616 PLAIN authentication
+ * RFC4752 The Kerberos V5 ("GSSAPI") SASL Mechanism
+ * RFC4959 IMAP Extension for SASL Initial Client Response
+ * RFC5092 IMAP URL Scheme
+ * RFC6749 OAuth 2.0 Authorization Framework
+ * Draft   LOGIN SASL Mechanism <draft-murchison-sasl-login-00.txt>
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_IMAP
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_UTSNAME_H
+#include <sys/utsname.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#if (defined(NETWARE) && defined(__NOVELL_LIBC__))
+#undef in_addr_t
+#define in_addr_t unsigned long
+#endif
+
+#include <curl/curl.h>
+#include "urldata.h"
+#include "sendf.h"
+#include "hostip.h"
+#include "progress.h"
+#include "transfer.h"
+#include "escape.h"
+#include "http.h" /* for HTTP proxy tunnel stuff */
+#include "socks.h"
+#include "imap.h"
+#include "mime.h"
+#include "strtoofft.h"
+#include "strcase.h"
+#include "vtls/vtls.h"
+#include "connect.h"
+#include "strerror.h"
+#include "select.h"
+#include "multiif.h"
+#include "url.h"
+#include "strcase.h"
+#include "curl_sasl.h"
+#include "warnless.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* Local API functions */
+static CURLcode imap_regular_transfer(struct connectdata *conn, bool *done);
+static CURLcode imap_do(struct connectdata *conn, bool *done);
+static CURLcode imap_done(struct connectdata *conn, CURLcode status,
+                          bool premature);
+static CURLcode imap_connect(struct connectdata *conn, bool *done);
+static CURLcode imap_disconnect(struct connectdata *conn, bool dead);
+static CURLcode imap_multi_statemach(struct connectdata *conn, bool *done);
+static int imap_getsock(struct connectdata *conn, curl_socket_t *socks,
+                        int numsocks);
+static CURLcode imap_doing(struct connectdata *conn, bool *dophase_done);
+static CURLcode imap_setup_connection(struct connectdata *conn);
+static char *imap_atom(const char *str, bool escape_only);
+static CURLcode imap_sendf(struct connectdata *conn, const char *fmt, ...);
+static CURLcode imap_parse_url_options(struct connectdata *conn);
+static CURLcode imap_parse_url_path(struct connectdata *conn);
+static CURLcode imap_parse_custom_request(struct connectdata *conn);
+static CURLcode imap_perform_authenticate(struct connectdata *conn,
+                                          const char *mech,
+                                          const char *initresp);
+static CURLcode imap_continue_authenticate(struct connectdata *conn,
+                                           const char *resp);
+static void imap_get_message(char *buffer, char **outptr);
+
+/*
+ * IMAP protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_imap = {
+  "IMAP",                           /* scheme */
+  imap_setup_connection,            /* setup_connection */
+  imap_do,                          /* do_it */
+  imap_done,                        /* done */
+  ZERO_NULL,                        /* do_more */
+  imap_connect,                     /* connect_it */
+  imap_multi_statemach,             /* connecting */
+  imap_doing,                       /* doing */
+  imap_getsock,                     /* proto_getsock */
+  imap_getsock,                     /* doing_getsock */
+  ZERO_NULL,                        /* domore_getsock */
+  ZERO_NULL,                        /* perform_getsock */
+  imap_disconnect,                  /* disconnect */
+  ZERO_NULL,                        /* readwrite */
+  ZERO_NULL,                        /* connection_check */
+  PORT_IMAP,                        /* defport */
+  CURLPROTO_IMAP,                   /* protocol */
+  PROTOPT_CLOSEACTION|              /* flags */
+  PROTOPT_URLOPTIONS
+};
+
+#ifdef USE_SSL
+/*
+ * IMAPS protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_imaps = {
+  "IMAPS",                          /* scheme */
+  imap_setup_connection,            /* setup_connection */
+  imap_do,                          /* do_it */
+  imap_done,                        /* done */
+  ZERO_NULL,                        /* do_more */
+  imap_connect,                     /* connect_it */
+  imap_multi_statemach,             /* connecting */
+  imap_doing,                       /* doing */
+  imap_getsock,                     /* proto_getsock */
+  imap_getsock,                     /* doing_getsock */
+  ZERO_NULL,                        /* domore_getsock */
+  ZERO_NULL,                        /* perform_getsock */
+  imap_disconnect,                  /* disconnect */
+  ZERO_NULL,                        /* readwrite */
+  ZERO_NULL,                        /* connection_check */
+  PORT_IMAPS,                       /* defport */
+  CURLPROTO_IMAPS,                  /* protocol */
+  PROTOPT_CLOSEACTION | PROTOPT_SSL | /* flags */
+  PROTOPT_URLOPTIONS
+};
+#endif
+
+#define IMAP_RESP_OK       1
+#define IMAP_RESP_NOT_OK   2
+#define IMAP_RESP_PREAUTH  3
+
+/* SASL parameters for the imap protocol */
+static const struct SASLproto saslimap = {
+  "imap",                     /* The service name */
+  '+',                        /* Code received when continuation is expected */
+  IMAP_RESP_OK,               /* Code to receive upon authentication success */
+  0,                          /* Maximum initial response length (no max) */
+  imap_perform_authenticate,  /* Send authentication command */
+  imap_continue_authenticate, /* Send authentication continuation */
+  imap_get_message            /* Get SASL response message */
+};
+
+
+#ifdef USE_SSL
+static void imap_to_imaps(struct connectdata *conn)
+{
+  /* Change the connection handler */
+  conn->handler = &Curl_handler_imaps;
+
+  /* Set the connection's upgraded to TLS flag */
+  conn->tls_upgraded = TRUE;
+}
+#else
+#define imap_to_imaps(x) Curl_nop_stmt
+#endif
+
+/***********************************************************************
+ *
+ * imap_matchresp()
+ *
+ * Determines whether the untagged response is related to the specified
+ * command by checking if it is in format "* <command-name> ..." or
+ * "* <number> <command-name> ...".
+ *
+ * The "* " marker is assumed to have already been checked by the caller.
+ */
+static bool imap_matchresp(const char *line, size_t len, const char *cmd)
+{
+  const char *end = line + len;
+  size_t cmd_len = strlen(cmd);
+
+  /* Skip the untagged response marker */
+  line += 2;
+
+  /* Do we have a number after the marker? */
+  if(line < end && ISDIGIT(*line)) {
+    /* Skip the number */
+    do
+      line++;
+    while(line < end && ISDIGIT(*line));
+
+    /* Do we have the space character? */
+    if(line == end || *line != ' ')
+      return FALSE;
+
+    line++;
+  }
+
+  /* Does the command name match and is it followed by a space character or at
+     the end of line? */
+  if(line + cmd_len <= end && strncasecompare(line, cmd, cmd_len) &&
+     (line[cmd_len] == ' ' || line + cmd_len + 2 == end))
+    return TRUE;
+
+  return FALSE;
+}
+
+/***********************************************************************
+ *
+ * imap_endofresp()
+ *
+ * Checks whether the given string is a valid tagged, untagged or continuation
+ * response which can be processed by the response handler.
+ */
+static bool imap_endofresp(struct connectdata *conn, char *line, size_t len,
+                           int *resp)
+{
+  struct IMAP *imap = conn->data->req.protop;
+  struct imap_conn *imapc = &conn->proto.imapc;
+  const char *id = imapc->resptag;
+  size_t id_len = strlen(id);
+
+  /* Do we have a tagged command response? */
+  if(len >= id_len + 1 && !memcmp(id, line, id_len) && line[id_len] == ' ') {
+    line += id_len + 1;
+    len -= id_len + 1;
+
+    if(len >= 2 && !memcmp(line, "OK", 2))
+      *resp = IMAP_RESP_OK;
+    else if(len >= 7 && !memcmp(line, "PREAUTH", 7))
+      *resp = IMAP_RESP_PREAUTH;
+    else
+      *resp = IMAP_RESP_NOT_OK;
+
+    return TRUE;
+  }
+
+  /* Do we have an untagged command response? */
+  if(len >= 2 && !memcmp("* ", line, 2)) {
+    switch(imapc->state) {
+      /* States which are interested in untagged responses */
+      case IMAP_CAPABILITY:
+        if(!imap_matchresp(line, len, "CAPABILITY"))
+          return FALSE;
+        break;
+
+      case IMAP_LIST:
+        if((!imap->custom && !imap_matchresp(line, len, "LIST")) ||
+          (imap->custom && !imap_matchresp(line, len, imap->custom) &&
+           (!strcasecompare(imap->custom, "STORE") ||
+            !imap_matchresp(line, len, "FETCH")) &&
+           !strcasecompare(imap->custom, "SELECT") &&
+           !strcasecompare(imap->custom, "EXAMINE") &&
+           !strcasecompare(imap->custom, "SEARCH") &&
+           !strcasecompare(imap->custom, "EXPUNGE") &&
+           !strcasecompare(imap->custom, "LSUB") &&
+           !strcasecompare(imap->custom, "UID") &&
+           !strcasecompare(imap->custom, "NOOP")))
+          return FALSE;
+        break;
+
+      case IMAP_SELECT:
+        /* SELECT is special in that its untagged responses do not have a
+           common prefix so accept anything! */
+        break;
+
+      case IMAP_FETCH:
+        if(!imap_matchresp(line, len, "FETCH"))
+          return FALSE;
+        break;
+
+      case IMAP_SEARCH:
+        if(!imap_matchresp(line, len, "SEARCH"))
+          return FALSE;
+        break;
+
+      /* Ignore other untagged responses */
+      default:
+        return FALSE;
+    }
+
+    *resp = '*';
+    return TRUE;
+  }
+
+  /* Do we have a continuation response? This should be a + symbol followed by
+     a space and optionally some text as per RFC-3501 for the AUTHENTICATE and
+     APPEND commands and as outlined in Section 4. Examples of RFC-4959 but
+     some e-mail servers ignore this and only send a single + instead. */
+  if(imap && !imap->custom && ((len == 3 && line[0] == '+') ||
+     (len >= 2 && !memcmp("+ ", line, 2)))) {
+    switch(imapc->state) {
+      /* States which are interested in continuation responses */
+      case IMAP_AUTHENTICATE:
+      case IMAP_APPEND:
+        *resp = '+';
+        break;
+
+      default:
+        failf(conn->data, "Unexpected continuation response");
+        *resp = -1;
+        break;
+    }
+
+    return TRUE;
+  }
+
+  return FALSE; /* Nothing for us */
+}
+
+/***********************************************************************
+ *
+ * imap_get_message()
+ *
+ * Gets the authentication message from the response buffer.
+ */
+static void imap_get_message(char *buffer, char **outptr)
+{
+  size_t len = strlen(buffer);
+  char *message = NULL;
+
+  if(len > 2) {
+    /* Find the start of the message */
+    len -= 2;
+    for(message = buffer + 2; *message == ' ' || *message == '\t';
+        message++, len--)
+      ;
+
+    /* Find the end of the message */
+    for(; len--;)
+      if(message[len] != '\r' && message[len] != '\n' && message[len] != ' ' &&
+         message[len] != '\t')
+        break;
+
+    /* Terminate the message */
+    if(++len) {
+      message[len] = '\0';
+    }
+  }
+  else
+    /* junk input => zero length output */
+    message = &buffer[len];
+
+  *outptr = message;
+}
+
+/***********************************************************************
+ *
+ * state()
+ *
+ * This is the ONLY way to change IMAP state!
+ */
+static void state(struct connectdata *conn, imapstate newstate)
+{
+  struct imap_conn *imapc = &conn->proto.imapc;
+#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
+  /* for debug purposes */
+  static const char * const names[]={
+    "STOP",
+    "SERVERGREET",
+    "CAPABILITY",
+    "STARTTLS",
+    "UPGRADETLS",
+    "AUTHENTICATE",
+    "LOGIN",
+    "LIST",
+    "SELECT",
+    "FETCH",
+    "FETCH_FINAL",
+    "APPEND",
+    "APPEND_FINAL",
+    "SEARCH",
+    "LOGOUT",
+    /* LAST */
+  };
+
+  if(imapc->state != newstate)
+    infof(conn->data, "IMAP %p state change from %s to %s\n",
+          (void *)imapc, names[imapc->state], names[newstate]);
+#endif
+
+  imapc->state = newstate;
+}
+
+/***********************************************************************
+ *
+ * imap_perform_capability()
+ *
+ * Sends the CAPABILITY command in order to obtain a list of server side
+ * supported capabilities.
+ */
+static CURLcode imap_perform_capability(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct imap_conn *imapc = &conn->proto.imapc;
+  imapc->sasl.authmechs = SASL_AUTH_NONE; /* No known auth. mechanisms yet */
+  imapc->sasl.authused = SASL_AUTH_NONE;  /* Clear the auth. mechanism used */
+  imapc->tls_supported = FALSE;           /* Clear the TLS capability */
+
+  /* Send the CAPABILITY command */
+  result = imap_sendf(conn, "CAPABILITY");
+
+  if(!result)
+    state(conn, IMAP_CAPABILITY);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_perform_starttls()
+ *
+ * Sends the STARTTLS command to start the upgrade to TLS.
+ */
+static CURLcode imap_perform_starttls(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+
+  /* Send the STARTTLS command */
+  result = imap_sendf(conn, "STARTTLS");
+
+  if(!result)
+    state(conn, IMAP_STARTTLS);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_perform_upgrade_tls()
+ *
+ * Performs the upgrade to TLS.
+ */
+static CURLcode imap_perform_upgrade_tls(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct imap_conn *imapc = &conn->proto.imapc;
+
+  /* Start the SSL connection */
+  result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, &imapc->ssldone);
+
+  if(!result) {
+    if(imapc->state != IMAP_UPGRADETLS)
+      state(conn, IMAP_UPGRADETLS);
+
+    if(imapc->ssldone) {
+      imap_to_imaps(conn);
+      result = imap_perform_capability(conn);
+    }
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_perform_login()
+ *
+ * Sends a clear text LOGIN command to authenticate with.
+ */
+static CURLcode imap_perform_login(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  char *user;
+  char *passwd;
+
+  /* Check we have a username and password to authenticate with and end the
+     connect phase if we don't */
+  if(!conn->bits.user_passwd) {
+    state(conn, IMAP_STOP);
+
+    return result;
+  }
+
+  /* Make sure the username and password are in the correct atom format */
+  user = imap_atom(conn->user, false);
+  passwd = imap_atom(conn->passwd, false);
+
+  /* Send the LOGIN command */
+  result = imap_sendf(conn, "LOGIN %s %s", user ? user : "",
+                      passwd ? passwd : "");
+
+  free(user);
+  free(passwd);
+
+  if(!result)
+    state(conn, IMAP_LOGIN);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_perform_authenticate()
+ *
+ * Sends an AUTHENTICATE command allowing the client to login with the given
+ * SASL authentication mechanism.
+ */
+static CURLcode imap_perform_authenticate(struct connectdata *conn,
+                                          const char *mech,
+                                          const char *initresp)
+{
+  CURLcode result = CURLE_OK;
+
+  if(initresp) {
+    /* Send the AUTHENTICATE command with the initial response */
+    result = imap_sendf(conn, "AUTHENTICATE %s %s", mech, initresp);
+  }
+  else {
+    /* Send the AUTHENTICATE command */
+    result = imap_sendf(conn, "AUTHENTICATE %s", mech);
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_continue_authenticate()
+ *
+ * Sends SASL continuation data or cancellation.
+ */
+static CURLcode imap_continue_authenticate(struct connectdata *conn,
+                                           const char *resp)
+{
+  struct imap_conn *imapc = &conn->proto.imapc;
+
+  return Curl_pp_sendf(&imapc->pp, "%s", resp);
+}
+
+/***********************************************************************
+ *
+ * imap_perform_authentication()
+ *
+ * Initiates the authentication sequence, with the appropriate SASL
+ * authentication mechanism, falling back to clear text should a common
+ * mechanism not be available between the client and server.
+ */
+static CURLcode imap_perform_authentication(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct imap_conn *imapc = &conn->proto.imapc;
+  saslprogress progress;
+
+  /* Check if already authenticated OR if there is enough data to authenticate
+     with and end the connect phase if we don't */
+  if(imapc->preauth ||
+     !Curl_sasl_can_authenticate(&imapc->sasl, conn)) {
+    state(conn, IMAP_STOP);
+    return result;
+  }
+
+  /* Calculate the SASL login details */
+  result = Curl_sasl_start(&imapc->sasl, conn, imapc->ir_supported, &progress);
+
+  if(!result) {
+    if(progress == SASL_INPROGRESS)
+      state(conn, IMAP_AUTHENTICATE);
+    else if(!imapc->login_disabled && (imapc->preftype & IMAP_TYPE_CLEARTEXT))
+      /* Perform clear text authentication */
+      result = imap_perform_login(conn);
+    else {
+      /* Other mechanisms not supported */
+      infof(conn->data, "No known authentication mechanisms supported!\n");
+      result = CURLE_LOGIN_DENIED;
+    }
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_perform_list()
+ *
+ * Sends a LIST command or an alternative custom request.
+ */
+static CURLcode imap_perform_list(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct IMAP *imap = data->req.protop;
+
+  if(imap->custom)
+    /* Send the custom request */
+    result = imap_sendf(conn, "%s%s", imap->custom,
+                        imap->custom_params ? imap->custom_params : "");
+  else {
+    /* Make sure the mailbox is in the correct atom format if necessary */
+    char *mailbox = imap->mailbox ? imap_atom(imap->mailbox, true)
+                                  : strdup("");
+    if(!mailbox)
+      return CURLE_OUT_OF_MEMORY;
+
+    /* Send the LIST command */
+    result = imap_sendf(conn, "LIST \"%s\" *", mailbox);
+
+    free(mailbox);
+  }
+
+  if(!result)
+    state(conn, IMAP_LIST);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_perform_select()
+ *
+ * Sends a SELECT command to ask the server to change the selected mailbox.
+ */
+static CURLcode imap_perform_select(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct IMAP *imap = data->req.protop;
+  struct imap_conn *imapc = &conn->proto.imapc;
+  char *mailbox;
+
+  /* Invalidate old information as we are switching mailboxes */
+  Curl_safefree(imapc->mailbox);
+  Curl_safefree(imapc->mailbox_uidvalidity);
+
+  /* Check we have a mailbox */
+  if(!imap->mailbox) {
+    failf(conn->data, "Cannot SELECT without a mailbox.");
+    return CURLE_URL_MALFORMAT;
+  }
+
+  /* Make sure the mailbox is in the correct atom format */
+  mailbox = imap_atom(imap->mailbox, false);
+  if(!mailbox)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Send the SELECT command */
+  result = imap_sendf(conn, "SELECT %s", mailbox);
+
+  free(mailbox);
+
+  if(!result)
+    state(conn, IMAP_SELECT);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_perform_fetch()
+ *
+ * Sends a FETCH command to initiate the download of a message.
+ */
+static CURLcode imap_perform_fetch(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct IMAP *imap = conn->data->req.protop;
+  /* Check we have a UID */
+  if(imap->uid) {
+
+    /* Send the FETCH command */
+    if(imap->partial)
+      result = imap_sendf(conn, "UID FETCH %s BODY[%s]<%s>",
+                            imap->uid,
+                            imap->section ? imap->section : "",
+                            imap->partial);
+    else
+      result = imap_sendf(conn, "UID FETCH %s BODY[%s]",
+                            imap->uid,
+                            imap->section ? imap->section : "");
+  }
+  else if(imap->mindex) {
+
+    /* Send the FETCH command */
+    if(imap->partial)
+      result = imap_sendf(conn, "FETCH %s BODY[%s]<%s>",
+                            imap->mindex,
+                            imap->section ? imap->section : "",
+                            imap->partial);
+    else
+      result = imap_sendf(conn, "FETCH %s BODY[%s]",
+                            imap->mindex,
+                            imap->section ? imap->section : "");
+  }
+  else {
+        failf(conn->data, "Cannot FETCH without a UID.");
+        return CURLE_URL_MALFORMAT;
+  }
+  if(!result)
+    state(conn, IMAP_FETCH);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_perform_append()
+ *
+ * Sends an APPEND command to initiate the upload of a message.
+ */
+static CURLcode imap_perform_append(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct IMAP *imap = data->req.protop;
+  char *mailbox;
+
+  /* Check we have a mailbox */
+  if(!imap->mailbox) {
+    failf(data, "Cannot APPEND without a mailbox.");
+    return CURLE_URL_MALFORMAT;
+  }
+
+  /* Prepare the mime data if some. */
+  if(data->set.mimepost.kind != MIMEKIND_NONE) {
+    /* Use the whole structure as data. */
+    data->set.mimepost.flags &= ~MIME_BODY_ONLY;
+
+    /* Add external headers and mime version. */
+    curl_mime_headers(&data->set.mimepost, data->set.headers, 0);
+    result = Curl_mime_prepare_headers(&data->set.mimepost, NULL,
+                                       NULL, MIMESTRATEGY_MAIL);
+
+    if(!result)
+      if(!Curl_checkheaders(conn, "Mime-Version"))
+        result = Curl_mime_add_header(&data->set.mimepost.curlheaders,
+                                      "Mime-Version: 1.0");
+
+    /* Make sure we will read the entire mime structure. */
+    if(!result)
+      result = Curl_mime_rewind(&data->set.mimepost);
+
+    if(result)
+      return result;
+
+    data->state.infilesize = Curl_mime_size(&data->set.mimepost);
+
+    /* Read from mime structure. */
+    data->state.fread_func = (curl_read_callback) Curl_mime_read;
+    data->state.in = (void *) &data->set.mimepost;
+  }
+
+  /* Check we know the size of the upload */
+  if(data->state.infilesize < 0) {
+    failf(data, "Cannot APPEND with unknown input file size\n");
+    return CURLE_UPLOAD_FAILED;
+  }
+
+  /* Make sure the mailbox is in the correct atom format */
+  mailbox = imap_atom(imap->mailbox, false);
+  if(!mailbox)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Send the APPEND command */
+  result = imap_sendf(conn, "APPEND %s (\\Seen) {%" CURL_FORMAT_CURL_OFF_T "}",
+                      mailbox, data->state.infilesize);
+
+  free(mailbox);
+
+  if(!result)
+    state(conn, IMAP_APPEND);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_perform_search()
+ *
+ * Sends a SEARCH command.
+ */
+static CURLcode imap_perform_search(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct IMAP *imap = conn->data->req.protop;
+
+  /* Check we have a query string */
+  if(!imap->query) {
+    failf(conn->data, "Cannot SEARCH without a query string.");
+    return CURLE_URL_MALFORMAT;
+  }
+
+  /* Send the SEARCH command */
+  result = imap_sendf(conn, "SEARCH %s", imap->query);
+
+  if(!result)
+    state(conn, IMAP_SEARCH);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_perform_logout()
+ *
+ * Performs the logout action prior to sclose() being called.
+ */
+static CURLcode imap_perform_logout(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+
+  /* Send the LOGOUT command */
+  result = imap_sendf(conn, "LOGOUT");
+
+  if(!result)
+    state(conn, IMAP_LOGOUT);
+
+  return result;
+}
+
+/* For the initial server greeting */
+static CURLcode imap_state_servergreet_resp(struct connectdata *conn,
+                                            int imapcode,
+                                            imapstate instate)
+{
+  struct Curl_easy *data = conn->data;
+  (void)instate; /* no use for this yet */
+
+  if(imapcode == IMAP_RESP_PREAUTH) {
+    /* PREAUTH */
+    struct imap_conn *imapc = &conn->proto.imapc;
+    imapc->preauth = TRUE;
+    infof(data, "PREAUTH connection, already authenticated!\n");
+  }
+  else if(imapcode != IMAP_RESP_OK) {
+    failf(data, "Got unexpected imap-server response");
+    return CURLE_WEIRD_SERVER_REPLY;
+  }
+
+  return imap_perform_capability(conn);
+}
+
+/* For CAPABILITY responses */
+static CURLcode imap_state_capability_resp(struct connectdata *conn,
+                                           int imapcode,
+                                           imapstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct imap_conn *imapc = &conn->proto.imapc;
+  const char *line = data->state.buffer;
+
+  (void)instate; /* no use for this yet */
+
+  /* Do we have a untagged response? */
+  if(imapcode == '*') {
+    line += 2;
+
+    /* Loop through the data line */
+    for(;;) {
+      size_t wordlen;
+      while(*line &&
+            (*line == ' ' || *line == '\t' ||
+              *line == '\r' || *line == '\n')) {
+
+        line++;
+      }
+
+      if(!*line)
+        break;
+
+      /* Extract the word */
+      for(wordlen = 0; line[wordlen] && line[wordlen] != ' ' &&
+            line[wordlen] != '\t' && line[wordlen] != '\r' &&
+            line[wordlen] != '\n';)
+        wordlen++;
+
+      /* Does the server support the STARTTLS capability? */
+      if(wordlen == 8 && !memcmp(line, "STARTTLS", 8))
+        imapc->tls_supported = TRUE;
+
+      /* Has the server explicitly disabled clear text authentication? */
+      else if(wordlen == 13 && !memcmp(line, "LOGINDISABLED", 13))
+        imapc->login_disabled = TRUE;
+
+      /* Does the server support the SASL-IR capability? */
+      else if(wordlen == 7 && !memcmp(line, "SASL-IR", 7))
+        imapc->ir_supported = TRUE;
+
+      /* Do we have a SASL based authentication mechanism? */
+      else if(wordlen > 5 && !memcmp(line, "AUTH=", 5)) {
+        size_t llen;
+        unsigned int mechbit;
+
+        line += 5;
+        wordlen -= 5;
+
+        /* Test the word for a matching authentication mechanism */
+        mechbit = Curl_sasl_decode_mech(line, wordlen, &llen);
+        if(mechbit && llen == wordlen)
+          imapc->sasl.authmechs |= mechbit;
+      }
+
+      line += wordlen;
+    }
+  }
+  else if(imapcode == IMAP_RESP_OK) {
+    if(data->set.use_ssl && !conn->ssl[FIRSTSOCKET].use) {
+      /* We don't have a SSL/TLS connection yet, but SSL is requested */
+      if(imapc->tls_supported)
+        /* Switch to TLS connection now */
+        result = imap_perform_starttls(conn);
+      else if(data->set.use_ssl == CURLUSESSL_TRY)
+        /* Fallback and carry on with authentication */
+        result = imap_perform_authentication(conn);
+      else {
+        failf(data, "STARTTLS not supported.");
+        result = CURLE_USE_SSL_FAILED;
+      }
+    }
+    else
+      result = imap_perform_authentication(conn);
+  }
+  else
+    result = imap_perform_authentication(conn);
+
+  return result;
+}
+
+/* For STARTTLS responses */
+static CURLcode imap_state_starttls_resp(struct connectdata *conn,
+                                         int imapcode,
+                                         imapstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  (void)instate; /* no use for this yet */
+
+  if(imapcode != IMAP_RESP_OK) {
+    if(data->set.use_ssl != CURLUSESSL_TRY) {
+      failf(data, "STARTTLS denied");
+      result = CURLE_USE_SSL_FAILED;
+    }
+    else
+      result = imap_perform_authentication(conn);
+  }
+  else
+    result = imap_perform_upgrade_tls(conn);
+
+  return result;
+}
+
+/* For SASL authentication responses */
+static CURLcode imap_state_auth_resp(struct connectdata *conn,
+                                     int imapcode,
+                                     imapstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct imap_conn *imapc = &conn->proto.imapc;
+  saslprogress progress;
+
+  (void)instate; /* no use for this yet */
+
+  result = Curl_sasl_continue(&imapc->sasl, conn, imapcode, &progress);
+  if(!result)
+    switch(progress) {
+    case SASL_DONE:
+      state(conn, IMAP_STOP);  /* Authenticated */
+      break;
+    case SASL_IDLE:            /* No mechanism left after cancellation */
+      if((!imapc->login_disabled) && (imapc->preftype & IMAP_TYPE_CLEARTEXT))
+        /* Perform clear text authentication */
+        result = imap_perform_login(conn);
+      else {
+        failf(data, "Authentication cancelled");
+        result = CURLE_LOGIN_DENIED;
+      }
+      break;
+    default:
+      break;
+    }
+
+  return result;
+}
+
+/* For LOGIN responses */
+static CURLcode imap_state_login_resp(struct connectdata *conn,
+                                      int imapcode,
+                                      imapstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  (void)instate; /* no use for this yet */
+
+  if(imapcode != IMAP_RESP_OK) {
+    failf(data, "Access denied. %c", imapcode);
+    result = CURLE_LOGIN_DENIED;
+  }
+  else
+    /* End of connect phase */
+    state(conn, IMAP_STOP);
+
+  return result;
+}
+
+/* For LIST and SEARCH responses */
+static CURLcode imap_state_listsearch_resp(struct connectdata *conn,
+                                           int imapcode,
+                                           imapstate instate)
+{
+  CURLcode result = CURLE_OK;
+  char *line = conn->data->state.buffer;
+  size_t len = strlen(line);
+
+  (void)instate; /* No use for this yet */
+
+  if(imapcode == '*') {
+    /* Temporarily add the LF character back and send as body to the client */
+    line[len] = '\n';
+    result = Curl_client_write(conn, CLIENTWRITE_BODY, line, len + 1);
+    line[len] = '\0';
+  }
+  else if(imapcode != IMAP_RESP_OK)
+    result = CURLE_QUOTE_ERROR; /* TODO: Fix error code */
+  else
+    /* End of DO phase */
+    state(conn, IMAP_STOP);
+
+  return result;
+}
+
+/* For SELECT responses */
+static CURLcode imap_state_select_resp(struct connectdata *conn, int imapcode,
+                                       imapstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct IMAP *imap = conn->data->req.protop;
+  struct imap_conn *imapc = &conn->proto.imapc;
+  const char *line = data->state.buffer;
+
+  (void)instate; /* no use for this yet */
+
+  if(imapcode == '*') {
+    /* See if this is an UIDVALIDITY response */
+    char tmp[20];
+    if(sscanf(line + 2, "OK [UIDVALIDITY %19[0123456789]]", tmp) == 1) {
+      Curl_safefree(imapc->mailbox_uidvalidity);
+      imapc->mailbox_uidvalidity = strdup(tmp);
+    }
+  }
+  else if(imapcode == IMAP_RESP_OK) {
+    /* Check if the UIDVALIDITY has been specified and matches */
+    if(imap->uidvalidity && imapc->mailbox_uidvalidity &&
+       !strcasecompare(imap->uidvalidity, imapc->mailbox_uidvalidity)) {
+      failf(conn->data, "Mailbox UIDVALIDITY has changed");
+      result = CURLE_REMOTE_FILE_NOT_FOUND;
+    }
+    else {
+      /* Note the currently opened mailbox on this connection */
+      imapc->mailbox = strdup(imap->mailbox);
+
+      if(imap->custom)
+        result = imap_perform_list(conn);
+      else if(imap->query)
+        result = imap_perform_search(conn);
+      else
+        result = imap_perform_fetch(conn);
+    }
+  }
+  else {
+    failf(data, "Select failed");
+    result = CURLE_LOGIN_DENIED;
+  }
+
+  return result;
+}
+
+/* For the (first line of the) FETCH responses */
+static CURLcode imap_state_fetch_resp(struct connectdata *conn, int imapcode,
+                                      imapstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct imap_conn *imapc = &conn->proto.imapc;
+  struct pingpong *pp = &imapc->pp;
+  const char *ptr = data->state.buffer;
+  bool parsed = FALSE;
+  curl_off_t size = 0;
+
+  (void)instate; /* no use for this yet */
+
+  if(imapcode != '*') {
+    Curl_pgrsSetDownloadSize(data, -1);
+    state(conn, IMAP_STOP);
+    return CURLE_REMOTE_FILE_NOT_FOUND; /* TODO: Fix error code */
+  }
+
+  /* Something like this is received "* 1 FETCH (BODY[TEXT] {2021}\r" so parse
+     the continuation data contained within the curly brackets */
+  while(*ptr && (*ptr != '{'))
+    ptr++;
+
+  if(*ptr == '{') {
+    char *endptr;
+    if(!curlx_strtoofft(ptr + 1, &endptr, 10, &size)) {
+      if(endptr - ptr > 1 && endptr[0] == '}' &&
+         endptr[1] == '\r' && endptr[2] == '\0')
+        parsed = TRUE;
+    }
+  }
+
+  if(parsed) {
+    infof(data, "Found %" CURL_FORMAT_CURL_OFF_T " bytes to download\n",
+          size);
+    Curl_pgrsSetDownloadSize(data, size);
+
+    if(pp->cache) {
+      /* At this point there is a bunch of data in the header "cache" that is
+         actually body content, send it as body and then skip it. Do note
+         that there may even be additional "headers" after the body. */
+      size_t chunk = pp->cache_size;
+
+      if(chunk > (size_t)size)
+        /* The conversion from curl_off_t to size_t is always fine here */
+        chunk = (size_t)size;
+
+      if(!chunk) {
+        /* no size, we're done with the data */
+        state(conn, IMAP_STOP);
+        return CURLE_OK;
+      }
+      result = Curl_client_write(conn, CLIENTWRITE_BODY, pp->cache, chunk);
+      if(result)
+        return result;
+
+      data->req.bytecount += chunk;
+
+      infof(data, "Written %zu bytes, %" CURL_FORMAT_CURL_OFF_TU
+            " bytes are left for transfer\n", chunk, size - chunk);
+
+      /* Have we used the entire cache or just part of it?*/
+      if(pp->cache_size > chunk) {
+        /* Only part of it so shrink the cache to fit the trailing data */
+        memmove(pp->cache, pp->cache + chunk, pp->cache_size - chunk);
+        pp->cache_size -= chunk;
+      }
+      else {
+        /* Free the cache */
+        Curl_safefree(pp->cache);
+
+        /* Reset the cache size */
+        pp->cache_size = 0;
+      }
+    }
+
+    if(data->req.bytecount == size)
+      /* The entire data is already transferred! */
+      Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
+    else {
+      /* IMAP download */
+      data->req.maxdownload = size;
+      Curl_setup_transfer(conn, FIRSTSOCKET, size, FALSE, NULL, -1, NULL);
+    }
+  }
+  else {
+    /* We don't know how to parse this line */
+    failf(pp->conn->data, "Failed to parse FETCH response.");
+    result = CURLE_WEIRD_SERVER_REPLY;
+  }
+
+  /* End of DO phase */
+  state(conn, IMAP_STOP);
+
+  return result;
+}
+
+/* For final FETCH responses performed after the download */
+static CURLcode imap_state_fetch_final_resp(struct connectdata *conn,
+                                            int imapcode,
+                                            imapstate instate)
+{
+  CURLcode result = CURLE_OK;
+
+  (void)instate; /* No use for this yet */
+
+  if(imapcode != IMAP_RESP_OK)
+    result = CURLE_WEIRD_SERVER_REPLY;
+  else
+    /* End of DONE phase */
+    state(conn, IMAP_STOP);
+
+  return result;
+}
+
+/* For APPEND responses */
+static CURLcode imap_state_append_resp(struct connectdata *conn, int imapcode,
+                                       imapstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  (void)instate; /* No use for this yet */
+
+  if(imapcode != '+') {
+    result = CURLE_UPLOAD_FAILED;
+  }
+  else {
+    /* Set the progress upload size */
+    Curl_pgrsSetUploadSize(data, data->state.infilesize);
+
+    /* IMAP upload */
+    Curl_setup_transfer(conn, -1, -1, FALSE, NULL, FIRSTSOCKET, NULL);
+
+    /* End of DO phase */
+    state(conn, IMAP_STOP);
+  }
+
+  return result;
+}
+
+/* For final APPEND responses performed after the upload */
+static CURLcode imap_state_append_final_resp(struct connectdata *conn,
+                                             int imapcode,
+                                             imapstate instate)
+{
+  CURLcode result = CURLE_OK;
+
+  (void)instate; /* No use for this yet */
+
+  if(imapcode != IMAP_RESP_OK)
+    result = CURLE_UPLOAD_FAILED;
+  else
+    /* End of DONE phase */
+    state(conn, IMAP_STOP);
+
+  return result;
+}
+
+static CURLcode imap_statemach_act(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  curl_socket_t sock = conn->sock[FIRSTSOCKET];
+  int imapcode;
+  struct imap_conn *imapc = &conn->proto.imapc;
+  struct pingpong *pp = &imapc->pp;
+  size_t nread = 0;
+
+  /* Busy upgrading the connection; right now all I/O is SSL/TLS, not IMAP */
+  if(imapc->state == IMAP_UPGRADETLS)
+    return imap_perform_upgrade_tls(conn);
+
+  /* Flush any data that needs to be sent */
+  if(pp->sendleft)
+    return Curl_pp_flushsend(pp);
+
+  do {
+    /* Read the response from the server */
+    result = Curl_pp_readresp(sock, pp, &imapcode, &nread);
+    if(result)
+      return result;
+
+    /* Was there an error parsing the response line? */
+    if(imapcode == -1)
+      return CURLE_WEIRD_SERVER_REPLY;
+
+    if(!imapcode)
+      break;
+
+    /* We have now received a full IMAP server response */
+    switch(imapc->state) {
+    case IMAP_SERVERGREET:
+      result = imap_state_servergreet_resp(conn, imapcode, imapc->state);
+      break;
+
+    case IMAP_CAPABILITY:
+      result = imap_state_capability_resp(conn, imapcode, imapc->state);
+      break;
+
+    case IMAP_STARTTLS:
+      result = imap_state_starttls_resp(conn, imapcode, imapc->state);
+      break;
+
+    case IMAP_AUTHENTICATE:
+      result = imap_state_auth_resp(conn, imapcode, imapc->state);
+      break;
+
+    case IMAP_LOGIN:
+      result = imap_state_login_resp(conn, imapcode, imapc->state);
+      break;
+
+    case IMAP_LIST:
+      result = imap_state_listsearch_resp(conn, imapcode, imapc->state);
+      break;
+
+    case IMAP_SELECT:
+      result = imap_state_select_resp(conn, imapcode, imapc->state);
+      break;
+
+    case IMAP_FETCH:
+      result = imap_state_fetch_resp(conn, imapcode, imapc->state);
+      break;
+
+    case IMAP_FETCH_FINAL:
+      result = imap_state_fetch_final_resp(conn, imapcode, imapc->state);
+      break;
+
+    case IMAP_APPEND:
+      result = imap_state_append_resp(conn, imapcode, imapc->state);
+      break;
+
+    case IMAP_APPEND_FINAL:
+      result = imap_state_append_final_resp(conn, imapcode, imapc->state);
+      break;
+
+    case IMAP_SEARCH:
+      result = imap_state_listsearch_resp(conn, imapcode, imapc->state);
+      break;
+
+    case IMAP_LOGOUT:
+      /* fallthrough, just stop! */
+    default:
+      /* internal error */
+      state(conn, IMAP_STOP);
+      break;
+    }
+  } while(!result && imapc->state != IMAP_STOP && Curl_pp_moredata(pp));
+
+  return result;
+}
+
+/* Called repeatedly until done from multi.c */
+static CURLcode imap_multi_statemach(struct connectdata *conn, bool *done)
+{
+  CURLcode result = CURLE_OK;
+  struct imap_conn *imapc = &conn->proto.imapc;
+
+  if((conn->handler->flags & PROTOPT_SSL) && !imapc->ssldone) {
+    result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, &imapc->ssldone);
+    if(result || !imapc->ssldone)
+      return result;
+  }
+
+  result = Curl_pp_statemach(&imapc->pp, FALSE, FALSE);
+  *done = (imapc->state == IMAP_STOP) ? TRUE : FALSE;
+
+  return result;
+}
+
+static CURLcode imap_block_statemach(struct connectdata *conn,
+                                     bool disconnecting)
+{
+  CURLcode result = CURLE_OK;
+  struct imap_conn *imapc = &conn->proto.imapc;
+
+  while(imapc->state != IMAP_STOP && !result)
+    result = Curl_pp_statemach(&imapc->pp, TRUE, disconnecting);
+
+  return result;
+}
+
+/* Allocate and initialize the struct IMAP for the current Curl_easy if
+   required */
+static CURLcode imap_init(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct IMAP *imap;
+
+  imap = data->req.protop = calloc(sizeof(struct IMAP), 1);
+  if(!imap)
+    result = CURLE_OUT_OF_MEMORY;
+
+  return result;
+}
+
+/* For the IMAP "protocol connect" and "doing" phases only */
+static int imap_getsock(struct connectdata *conn, curl_socket_t *socks,
+                        int numsocks)
+{
+  return Curl_pp_getsock(&conn->proto.imapc.pp, socks, numsocks);
+}
+
+/***********************************************************************
+ *
+ * imap_connect()
+ *
+ * This function should do everything that is to be considered a part of the
+ * connection phase.
+ *
+ * The variable 'done' points to will be TRUE if the protocol-layer connect
+ * phase is done when this function returns, or FALSE if not.
+ */
+static CURLcode imap_connect(struct connectdata *conn, bool *done)
+{
+  CURLcode result = CURLE_OK;
+  struct imap_conn *imapc = &conn->proto.imapc;
+  struct pingpong *pp = &imapc->pp;
+
+  *done = FALSE; /* default to not done yet */
+
+  /* We always support persistent connections in IMAP */
+  connkeep(conn, "IMAP default");
+
+  /* Set the default response time-out */
+  pp->response_time = RESP_TIMEOUT;
+  pp->statemach_act = imap_statemach_act;
+  pp->endofresp = imap_endofresp;
+  pp->conn = conn;
+
+  /* Set the default preferred authentication type and mechanism */
+  imapc->preftype = IMAP_TYPE_ANY;
+  Curl_sasl_init(&imapc->sasl, &saslimap);
+
+  /* Initialise the pingpong layer */
+  Curl_pp_init(pp);
+
+  /* Parse the URL options */
+  result = imap_parse_url_options(conn);
+  if(result)
+    return result;
+
+  /* Start off waiting for the server greeting response */
+  state(conn, IMAP_SERVERGREET);
+
+  /* Start off with an response id of '*' */
+  strcpy(imapc->resptag, "*");
+
+  result = imap_multi_statemach(conn, done);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_done()
+ *
+ * The DONE function. This does what needs to be done after a single DO has
+ * performed.
+ *
+ * Input argument is already checked for validity.
+ */
+static CURLcode imap_done(struct connectdata *conn, CURLcode status,
+                          bool premature)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct IMAP *imap = data->req.protop;
+
+  (void)premature;
+
+  if(!imap)
+    return CURLE_OK;
+
+  if(status) {
+    connclose(conn, "IMAP done with bad status"); /* marked for closure */
+    result = status;         /* use the already set error code */
+  }
+  else if(!data->set.connect_only && !imap->custom &&
+          (imap->uid || imap->mindex || data->set.upload ||
+          data->set.mimepost.kind != MIMEKIND_NONE)) {
+    /* Handle responses after FETCH or APPEND transfer has finished */
+
+    if(!data->set.upload && data->set.mimepost.kind == MIMEKIND_NONE)
+      state(conn, IMAP_FETCH_FINAL);
+    else {
+      /* End the APPEND command first by sending an empty line */
+      result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", "");
+      if(!result)
+        state(conn, IMAP_APPEND_FINAL);
+    }
+
+    /* Run the state-machine
+
+       TODO: when the multi interface is used, this _really_ should be using
+       the imap_multi_statemach function but we have no general support for
+       non-blocking DONE operations!
+    */
+    if(!result)
+      result = imap_block_statemach(conn, FALSE);
+  }
+
+  /* Cleanup our per-request based variables */
+  Curl_safefree(imap->mailbox);
+  Curl_safefree(imap->uidvalidity);
+  Curl_safefree(imap->uid);
+  Curl_safefree(imap->mindex);
+  Curl_safefree(imap->section);
+  Curl_safefree(imap->partial);
+  Curl_safefree(imap->query);
+  Curl_safefree(imap->custom);
+  Curl_safefree(imap->custom_params);
+
+  /* Clear the transfer mode for the next request */
+  imap->transfer = FTPTRANSFER_BODY;
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_perform()
+ *
+ * This is the actual DO function for IMAP. Fetch or append a message, or do
+ * other things according to the options previously setup.
+ */
+static CURLcode imap_perform(struct connectdata *conn, bool *connected,
+                             bool *dophase_done)
+{
+  /* This is IMAP and no proxy */
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct IMAP *imap = data->req.protop;
+  struct imap_conn *imapc = &conn->proto.imapc;
+  bool selected = FALSE;
+
+  DEBUGF(infof(conn->data, "DO phase starts\n"));
+
+  if(conn->data->set.opt_no_body) {
+    /* Requested no body means no transfer */
+    imap->transfer = FTPTRANSFER_INFO;
+  }
+
+  *dophase_done = FALSE; /* not done yet */
+
+  /* Determine if the requested mailbox (with the same UIDVALIDITY if set)
+     has already been selected on this connection */
+  if(imap->mailbox && imapc->mailbox &&
+     strcasecompare(imap->mailbox, imapc->mailbox) &&
+     (!imap->uidvalidity || !imapc->mailbox_uidvalidity ||
+      strcasecompare(imap->uidvalidity, imapc->mailbox_uidvalidity)))
+    selected = TRUE;
+
+  /* Start the first command in the DO phase */
+  if(conn->data->set.upload || data->set.mimepost.kind != MIMEKIND_NONE)
+    /* APPEND can be executed directly */
+    result = imap_perform_append(conn);
+  else if(imap->custom && (selected || !imap->mailbox))
+    /* Custom command using the same mailbox or no mailbox */
+    result = imap_perform_list(conn);
+  else if(!imap->custom && selected && (imap->uid || imap->mindex))
+    /* FETCH from the same mailbox */
+    result = imap_perform_fetch(conn);
+  else if(!imap->custom && selected && imap->query)
+    /* SEARCH the current mailbox */
+    result = imap_perform_search(conn);
+  else if(imap->mailbox && !selected &&
+         (imap->custom || imap->uid || imap->mindex || imap->query))
+    /* SELECT the mailbox */
+    result = imap_perform_select(conn);
+  else
+    /* LIST */
+    result = imap_perform_list(conn);
+
+  if(result)
+    return result;
+
+  /* Run the state-machine */
+  result = imap_multi_statemach(conn, dophase_done);
+
+  *connected = conn->bits.tcpconnect[FIRSTSOCKET];
+
+  if(*dophase_done)
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_do()
+ *
+ * This function is registered as 'curl_do' function. It decodes the path
+ * parts etc as a wrapper to the actual DO function (imap_perform).
+ *
+ * The input argument is already checked for validity.
+ */
+static CURLcode imap_do(struct connectdata *conn, bool *done)
+{
+  CURLcode result = CURLE_OK;
+
+  *done = FALSE; /* default to false */
+
+  /* Parse the URL path */
+  result = imap_parse_url_path(conn);
+  if(result)
+    return result;
+
+  /* Parse the custom request */
+  result = imap_parse_custom_request(conn);
+  if(result)
+    return result;
+
+  result = imap_regular_transfer(conn, done);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_disconnect()
+ *
+ * Disconnect from an IMAP server. Cleanup protocol-specific per-connection
+ * resources. BLOCKING.
+ */
+static CURLcode imap_disconnect(struct connectdata *conn, bool dead_connection)
+{
+  struct imap_conn *imapc = &conn->proto.imapc;
+
+  /* We cannot send quit unconditionally. If this connection is stale or
+     bad in any way, sending quit and waiting around here will make the
+     disconnect wait in vain and cause more problems than we need to. */
+
+  /* The IMAP session may or may not have been allocated/setup at this
+     point! */
+  if(!dead_connection && imapc->pp.conn && imapc->pp.conn->bits.protoconnstart)
+    if(!imap_perform_logout(conn))
+      (void)imap_block_statemach(conn, TRUE); /* ignore errors on LOGOUT */
+
+  /* Disconnect from the server */
+  Curl_pp_disconnect(&imapc->pp);
+
+  /* Cleanup the SASL module */
+  Curl_sasl_cleanup(conn, imapc->sasl.authused);
+
+  /* Cleanup our connection based variables */
+  Curl_safefree(imapc->mailbox);
+  Curl_safefree(imapc->mailbox_uidvalidity);
+
+  return CURLE_OK;
+}
+
+/* Call this when the DO phase has completed */
+static CURLcode imap_dophase_done(struct connectdata *conn, bool connected)
+{
+  struct IMAP *imap = conn->data->req.protop;
+
+  (void)connected;
+
+  if(imap->transfer != FTPTRANSFER_BODY)
+    /* no data to transfer */
+    Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
+
+  return CURLE_OK;
+}
+
+/* Called from multi.c while DOing */
+static CURLcode imap_doing(struct connectdata *conn, bool *dophase_done)
+{
+  CURLcode result = imap_multi_statemach(conn, dophase_done);
+
+  if(result)
+    DEBUGF(infof(conn->data, "DO phase failed\n"));
+  else if(*dophase_done) {
+    result = imap_dophase_done(conn, FALSE /* not connected */);
+
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_regular_transfer()
+ *
+ * The input argument is already checked for validity.
+ *
+ * Performs all commands done before a regular transfer between a local and a
+ * remote host.
+ */
+static CURLcode imap_regular_transfer(struct connectdata *conn,
+                                      bool *dophase_done)
+{
+  CURLcode result = CURLE_OK;
+  bool connected = FALSE;
+  struct Curl_easy *data = conn->data;
+
+  /* Make sure size is unknown at this point */
+  data->req.size = -1;
+
+  /* Set the progress data */
+  Curl_pgrsSetUploadCounter(data, 0);
+  Curl_pgrsSetDownloadCounter(data, 0);
+  Curl_pgrsSetUploadSize(data, -1);
+  Curl_pgrsSetDownloadSize(data, -1);
+
+  /* Carry out the perform */
+  result = imap_perform(conn, &connected, dophase_done);
+
+  /* Perform post DO phase operations if necessary */
+  if(!result && *dophase_done)
+    result = imap_dophase_done(conn, connected);
+
+  return result;
+}
+
+static CURLcode imap_setup_connection(struct connectdata *conn)
+{
+  /* Initialise the IMAP layer */
+  CURLcode result = imap_init(conn);
+  if(result)
+    return result;
+
+  /* Clear the TLS upgraded flag */
+  conn->tls_upgraded = FALSE;
+
+  return CURLE_OK;
+}
+
+/***********************************************************************
+ *
+ * imap_sendf()
+ *
+ * Sends the formatted string as an IMAP command to the server.
+ *
+ * Designed to never block.
+ */
+static CURLcode imap_sendf(struct connectdata *conn, const char *fmt, ...)
+{
+  CURLcode result = CURLE_OK;
+  struct imap_conn *imapc = &conn->proto.imapc;
+  char *taggedfmt;
+  va_list ap;
+
+  DEBUGASSERT(fmt);
+
+  /* Calculate the next command ID wrapping at 3 digits */
+  imapc->cmdid = (imapc->cmdid + 1) % 1000;
+
+  /* Calculate the tag based on the connection ID and command ID */
+  msnprintf(imapc->resptag, sizeof(imapc->resptag), "%c%03d",
+            'A' + curlx_sltosi(conn->connection_id % 26), imapc->cmdid);
+
+  /* Prefix the format with the tag */
+  taggedfmt = aprintf("%s %s", imapc->resptag, fmt);
+  if(!taggedfmt)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Send the data with the tag */
+  va_start(ap, fmt);
+  result = Curl_pp_vsendf(&imapc->pp, taggedfmt, ap);
+  va_end(ap);
+
+  free(taggedfmt);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_atom()
+ *
+ * Checks the input string for characters that need escaping and returns an
+ * atom ready for sending to the server.
+ *
+ * The returned string needs to be freed.
+ *
+ */
+static char *imap_atom(const char *str, bool escape_only)
+{
+  /* !checksrc! disable PARENBRACE 1 */
+  const char atom_specials[] = "(){ %*]";
+  const char *p1;
+  char *p2;
+  size_t backsp_count = 0;
+  size_t quote_count = 0;
+  bool others_exists = FALSE;
+  size_t newlen = 0;
+  char *newstr = NULL;
+
+  if(!str)
+    return NULL;
+
+  /* Look for "atom-specials", counting the backslash and quote characters as
+     these will need escapping */
+  p1 = str;
+  while(*p1) {
+    if(*p1 == '\\')
+      backsp_count++;
+    else if(*p1 == '"')
+      quote_count++;
+    else if(!escape_only) {
+      const char *p3 = atom_specials;
+
+      while(*p3 && !others_exists) {
+        if(*p1 == *p3)
+          others_exists = TRUE;
+
+        p3++;
+      }
+    }
+
+    p1++;
+  }
+
+  /* Does the input contain any "atom-special" characters? */
+  if(!backsp_count && !quote_count && !others_exists)
+    return strdup(str);
+
+  /* Calculate the new string length */
+  newlen = strlen(str) + backsp_count + quote_count + (escape_only ? 0 : 2);
+
+  /* Allocate the new string */
+  newstr = (char *) malloc((newlen + 1) * sizeof(char));
+  if(!newstr)
+    return NULL;
+
+  /* Surround the string in quotes if necessary */
+  p2 = newstr;
+  if(!escape_only) {
+    newstr[0] = '"';
+    newstr[newlen - 1] = '"';
+    p2++;
+  }
+
+  /* Copy the string, escaping backslash and quote characters along the way */
+  p1 = str;
+  while(*p1) {
+    if(*p1 == '\\' || *p1 == '"') {
+      *p2 = '\\';
+      p2++;
+    }
+
+   *p2 = *p1;
+
+    p1++;
+    p2++;
+  }
+
+  /* Terminate the string */
+  newstr[newlen] = '\0';
+
+  return newstr;
+}
+
+/***********************************************************************
+ *
+ * imap_is_bchar()
+ *
+ * Portable test of whether the specified char is a "bchar" as defined in the
+ * grammar of RFC-5092.
+ */
+static bool imap_is_bchar(char ch)
+{
+  switch(ch) {
+    /* bchar */
+    case ':': case '@': case '/':
+    /* bchar -> achar */
+    case '&': case '=':
+    /* bchar -> achar -> uchar -> unreserved */
+    case '0': case '1': case '2': case '3': case '4': case '5': case '6':
+    case '7': case '8': case '9':
+    case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
+    case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
+    case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
+    case 'V': case 'W': case 'X': case 'Y': case 'Z':
+    case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
+    case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
+    case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
+    case 'v': case 'w': case 'x': case 'y': case 'z':
+    case '-': case '.': case '_': case '~':
+    /* bchar -> achar -> uchar -> sub-delims-sh */
+    case '!': case '$': case '\'': case '(': case ')': case '*':
+    case '+': case ',':
+    /* bchar -> achar -> uchar -> pct-encoded */
+    case '%': /* HEXDIG chars are already included above */
+      return true;
+
+    default:
+      return false;
+  }
+}
+
+/***********************************************************************
+ *
+ * imap_parse_url_options()
+ *
+ * Parse the URL login options.
+ */
+static CURLcode imap_parse_url_options(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct imap_conn *imapc = &conn->proto.imapc;
+  const char *ptr = conn->options;
+
+  imapc->sasl.resetprefs = TRUE;
+
+  while(!result && ptr && *ptr) {
+    const char *key = ptr;
+    const char *value;
+
+    while(*ptr && *ptr != '=')
+        ptr++;
+
+    value = ptr + 1;
+
+    while(*ptr && *ptr != ';')
+      ptr++;
+
+    if(strncasecompare(key, "AUTH=", 5))
+      result = Curl_sasl_parse_url_auth_option(&imapc->sasl,
+                                               value, ptr - value);
+    else
+      result = CURLE_URL_MALFORMAT;
+
+    if(*ptr == ';')
+      ptr++;
+  }
+
+  switch(imapc->sasl.prefmech) {
+  case SASL_AUTH_NONE:
+    imapc->preftype = IMAP_TYPE_NONE;
+    break;
+  case SASL_AUTH_DEFAULT:
+    imapc->preftype = IMAP_TYPE_ANY;
+    break;
+  default:
+    imapc->preftype = IMAP_TYPE_SASL;
+    break;
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * imap_parse_url_path()
+ *
+ * Parse the URL path into separate path components.
+ *
+ */
+static CURLcode imap_parse_url_path(struct connectdata *conn)
+{
+  /* The imap struct is already initialised in imap_connect() */
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct IMAP *imap = data->req.protop;
+  const char *begin = &data->state.up.path[1]; /* skip leading slash */
+  const char *ptr = begin;
+
+  /* See how much of the URL is a valid path and decode it */
+  while(imap_is_bchar(*ptr))
+    ptr++;
+
+  if(ptr != begin) {
+    /* Remove the trailing slash if present */
+    const char *end = ptr;
+    if(end > begin && end[-1] == '/')
+      end--;
+
+    result = Curl_urldecode(data, begin, end - begin, &imap->mailbox, NULL,
+                            TRUE);
+    if(result)
+      return result;
+  }
+  else
+    imap->mailbox = NULL;
+
+  /* There can be any number of parameters in the form ";NAME=VALUE" */
+  while(*ptr == ';') {
+    char *name;
+    char *value;
+    size_t valuelen;
+
+    /* Find the length of the name parameter */
+    begin = ++ptr;
+    while(*ptr && *ptr != '=')
+      ptr++;
+
+    if(!*ptr)
+      return CURLE_URL_MALFORMAT;
+
+    /* Decode the name parameter */
+    result = Curl_urldecode(data, begin, ptr - begin, &name, NULL, TRUE);
+    if(result)
+      return result;
+
+    /* Find the length of the value parameter */
+    begin = ++ptr;
+    while(imap_is_bchar(*ptr))
+      ptr++;
+
+    /* Decode the value parameter */
+    result = Curl_urldecode(data, begin, ptr - begin, &value, &valuelen, TRUE);
+    if(result) {
+      free(name);
+      return result;
+    }
+
+    DEBUGF(infof(conn->data, "IMAP URL parameter '%s' = '%s'\n", name, value));
+
+    /* Process the known hierarchical parameters (UIDVALIDITY, UID, SECTION and
+       PARTIAL) stripping of the trailing slash character if it is present.
+
+       Note: Unknown parameters trigger a URL_MALFORMAT error. */
+    if(strcasecompare(name, "UIDVALIDITY") && !imap->uidvalidity) {
+      if(valuelen > 0 && value[valuelen - 1] == '/')
+        value[valuelen - 1] = '\0';
+
+      imap->uidvalidity = value;
+      value = NULL;
+    }
+    else if(strcasecompare(name, "UID") && !imap->uid) {
+      if(valuelen > 0 && value[valuelen - 1] == '/')
+        value[valuelen - 1] = '\0';
+
+      imap->uid = value;
+      value = NULL;
+    }
+    else if(strcasecompare(name, "MAILINDEX") && !imap->mindex) {
+      if(valuelen > 0 && value[valuelen - 1] == '/')
+        value[valuelen - 1] = '\0';
+
+      imap->mindex = value;
+      value = NULL;
+    }
+    else if(strcasecompare(name, "SECTION") && !imap->section) {
+      if(valuelen > 0 && value[valuelen - 1] == '/')
+        value[valuelen - 1] = '\0';
+
+      imap->section = value;
+      value = NULL;
+    }
+    else if(strcasecompare(name, "PARTIAL") && !imap->partial) {
+      if(valuelen > 0 && value[valuelen - 1] == '/')
+        value[valuelen - 1] = '\0';
+
+      imap->partial = value;
+      value = NULL;
+    }
+    else {
+      free(name);
+      free(value);
+
+      return CURLE_URL_MALFORMAT;
+    }
+
+    free(name);
+    free(value);
+  }
+
+  /* Does the URL contain a query parameter? Only valid when we have a mailbox
+     and no UID as per RFC-5092 */
+  if(imap->mailbox && !imap->uid && !imap->mindex) {
+    /* Get the query parameter, URL decoded */
+    (void)curl_url_get(data->state.uh, CURLUPART_QUERY, &imap->query,
+                       CURLU_URLDECODE);
+  }
+
+  /* Any extra stuff at the end of the URL is an error */
+  if(*ptr)
+    return CURLE_URL_MALFORMAT;
+
+  return CURLE_OK;
+}
+
+/***********************************************************************
+ *
+ * imap_parse_custom_request()
+ *
+ * Parse the custom request.
+ */
+static CURLcode imap_parse_custom_request(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct IMAP *imap = data->req.protop;
+  const char *custom = data->set.str[STRING_CUSTOMREQUEST];
+
+  if(custom) {
+    /* URL decode the custom request */
+    result = Curl_urldecode(data, custom, 0, &imap->custom, NULL, TRUE);
+
+    /* Extract the parameters if specified */
+    if(!result) {
+      const char *params = imap->custom;
+
+      while(*params && *params != ' ')
+        params++;
+
+      if(*params) {
+        imap->custom_params = strdup(params);
+        imap->custom[params - imap->custom] = '\0';
+
+        if(!imap->custom_params)
+          result = CURLE_OUT_OF_MEMORY;
+      }
+    }
+  }
+
+  return result;
+}
+
+#endif /* CURL_DISABLE_IMAP */
Index: trunk/src/libs/curl-7.64.0/lib/imap.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/imap.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/imap.h	(revision 85671)
@@ -0,0 +1,98 @@
+#ifndef HEADER_CURL_IMAP_H
+#define HEADER_CURL_IMAP_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2009 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "pingpong.h"
+#include "curl_sasl.h"
+
+/****************************************************************************
+ * IMAP unique setup
+ ***************************************************************************/
+typedef enum {
+  IMAP_STOP,         /* do nothing state, stops the state machine */
+  IMAP_SERVERGREET,  /* waiting for the initial greeting immediately after
+                        a connect */
+  IMAP_CAPABILITY,
+  IMAP_STARTTLS,
+  IMAP_UPGRADETLS,   /* asynchronously upgrade the connection to SSL/TLS
+                       (multi mode only) */
+  IMAP_AUTHENTICATE,
+  IMAP_LOGIN,
+  IMAP_LIST,
+  IMAP_SELECT,
+  IMAP_FETCH,
+  IMAP_FETCH_FINAL,
+  IMAP_APPEND,
+  IMAP_APPEND_FINAL,
+  IMAP_SEARCH,
+  IMAP_LOGOUT,
+  IMAP_LAST          /* never used */
+} imapstate;
+
+/* This IMAP struct is used in the Curl_easy. All IMAP data that is
+   connection-oriented must be in imap_conn to properly deal with the fact that
+   perhaps the Curl_easy is changed between the times the connection is
+   used. */
+struct IMAP {
+  curl_pp_transfer transfer;
+  char *mailbox;          /* Mailbox to select */
+  char *uidvalidity;      /* UIDVALIDITY to check in select */
+  char *uid;              /* Message UID to fetch */
+  char *mindex;           /* Index in mail box of mail to fetch */
+  char *section;          /* Message SECTION to fetch */
+  char *partial;          /* Message PARTIAL to fetch */
+  char *query;            /* Query to search for */
+  char *custom;           /* Custom request */
+  char *custom_params;    /* Parameters for the custom request */
+};
+
+/* imap_conn is used for struct connection-oriented data in the connectdata
+   struct */
+struct imap_conn {
+  struct pingpong pp;
+  imapstate state;            /* Always use imap.c:state() to change state! */
+  bool ssldone;               /* Is connect() over SSL done? */
+  bool preauth;               /* Is this connection PREAUTH? */
+  struct SASL sasl;           /* SASL-related parameters */
+  unsigned int preftype;      /* Preferred authentication type */
+  int cmdid;                  /* Last used command ID */
+  char resptag[5];            /* Response tag to wait for */
+  bool tls_supported;         /* StartTLS capability supported by server */
+  bool login_disabled;        /* LOGIN command disabled by server */
+  bool ir_supported;          /* Initial response supported by server */
+  char *mailbox;              /* The last selected mailbox */
+  char *mailbox_uidvalidity;  /* UIDVALIDITY parsed from select response */
+};
+
+extern const struct Curl_handler Curl_handler_imap;
+extern const struct Curl_handler Curl_handler_imaps;
+
+/* Authentication type flags */
+#define IMAP_TYPE_CLEARTEXT (1 << 0)
+#define IMAP_TYPE_SASL      (1 << 1)
+
+/* Authentication type values */
+#define IMAP_TYPE_NONE      0
+#define IMAP_TYPE_ANY       ~0U
+
+#endif /* HEADER_CURL_IMAP_H */
Index: trunk/src/libs/curl-7.64.0/lib/inet_ntop.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/inet_ntop.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/inet_ntop.c	(revision 85671)
@@ -0,0 +1,197 @@
+/*
+ * Copyright (C) 1996-2001  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
+ * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
+ * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+/*
+ * Original code by Paul Vixie. "curlified" by Gisle Vanem.
+ */
+
+#include "curl_setup.h"
+
+#ifndef HAVE_INET_NTOP
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+
+#include "inet_ntop.h"
+#include "curl_printf.h"
+
+#define IN6ADDRSZ       16
+#define INADDRSZ         4
+#define INT16SZ          2
+
+/*
+ * Format an IPv4 address, more or less like inet_ntoa().
+ *
+ * Returns `dst' (as a const)
+ * Note:
+ *  - uses no statics
+ *  - takes a unsigned char* not an in_addr as input
+ */
+static char *inet_ntop4 (const unsigned char *src, char *dst, size_t size)
+{
+  char tmp[sizeof("255.255.255.255")];
+  size_t len;
+
+  DEBUGASSERT(size >= 16);
+
+  tmp[0] = '\0';
+  (void)msnprintf(tmp, sizeof(tmp), "%d.%d.%d.%d",
+                  ((int)((unsigned char)src[0])) & 0xff,
+                  ((int)((unsigned char)src[1])) & 0xff,
+                  ((int)((unsigned char)src[2])) & 0xff,
+                  ((int)((unsigned char)src[3])) & 0xff);
+
+  len = strlen(tmp);
+  if(len == 0 || len >= size) {
+    errno = ENOSPC;
+    return (NULL);
+  }
+  strcpy(dst, tmp);
+  return dst;
+}
+
+#ifdef ENABLE_IPV6
+/*
+ * Convert IPv6 binary address into presentation (printable) format.
+ */
+static char *inet_ntop6 (const unsigned char *src, char *dst, size_t size)
+{
+  /*
+   * Note that int32_t and int16_t need only be "at least" large enough
+   * to contain a value of the specified size.  On some systems, like
+   * Crays, there is no such thing as an integer variable with 16 bits.
+   * Keep this in mind if you think this function should have been coded
+   * to use pointer overlays.  All the world's not a VAX.
+   */
+  char tmp[sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")];
+  char *tp;
+  struct {
+    long base;
+    long len;
+  } best, cur;
+  unsigned long words[IN6ADDRSZ / INT16SZ];
+  int i;
+
+  /* Preprocess:
+   *  Copy the input (bytewise) array into a wordwise array.
+   *  Find the longest run of 0x00's in src[] for :: shorthanding.
+   */
+  memset(words, '\0', sizeof(words));
+  for(i = 0; i < IN6ADDRSZ; i++)
+    words[i/2] |= (src[i] << ((1 - (i % 2)) << 3));
+
+  best.base = -1;
+  cur.base  = -1;
+  best.len = 0;
+  cur.len = 0;
+
+  for(i = 0; i < (IN6ADDRSZ / INT16SZ); i++) {
+    if(words[i] == 0) {
+      if(cur.base == -1)
+        cur.base = i, cur.len = 1;
+      else
+        cur.len++;
+    }
+    else if(cur.base != -1) {
+      if(best.base == -1 || cur.len > best.len)
+        best = cur;
+      cur.base = -1;
+    }
+  }
+  if((cur.base != -1) && (best.base == -1 || cur.len > best.len))
+    best = cur;
+  if(best.base != -1 && best.len < 2)
+    best.base = -1;
+  /* Format the result. */
+  tp = tmp;
+  for(i = 0; i < (IN6ADDRSZ / INT16SZ); i++) {
+    /* Are we inside the best run of 0x00's? */
+    if(best.base != -1 && i >= best.base && i < (best.base + best.len)) {
+      if(i == best.base)
+        *tp++ = ':';
+      continue;
+    }
+
+    /* Are we following an initial run of 0x00s or any real hex?
+     */
+    if(i != 0)
+      *tp++ = ':';
+
+    /* Is this address an encapsulated IPv4?
+     */
+    if(i == 6 && best.base == 0 &&
+        (best.len == 6 || (best.len == 5 && words[5] == 0xffff))) {
+      if(!inet_ntop4(src + 12, tp, sizeof(tmp) - (tp - tmp))) {
+        errno = ENOSPC;
+        return (NULL);
+      }
+      tp += strlen(tp);
+      break;
+    }
+    tp += msnprintf(tp, 5, "%lx", words[i]);
+  }
+
+  /* Was it a trailing run of 0x00's?
+   */
+  if(best.base != -1 && (best.base + best.len) == (IN6ADDRSZ / INT16SZ))
+     *tp++ = ':';
+  *tp++ = '\0';
+
+  /* Check for overflow, copy, and we're done.
+   */
+  if((size_t)(tp - tmp) > size) {
+    errno = ENOSPC;
+    return (NULL);
+  }
+  strcpy(dst, tmp);
+  return dst;
+}
+#endif  /* ENABLE_IPV6 */
+
+/*
+ * Convert a network format address to presentation format.
+ *
+ * Returns pointer to presentation format address (`buf').
+ * Returns NULL on error and errno set with the specific
+ * error, EAFNOSUPPORT or ENOSPC.
+ *
+ * On Windows we store the error in the thread errno, not
+ * in the winsock error code. This is to avoid losing the
+ * actual last winsock error. So when this function returns
+ * NULL, check errno not SOCKERRNO.
+ */
+char *Curl_inet_ntop(int af, const void *src, char *buf, size_t size)
+{
+  switch(af) {
+  case AF_INET:
+    return inet_ntop4((const unsigned char *)src, buf, size);
+#ifdef ENABLE_IPV6
+  case AF_INET6:
+    return inet_ntop6((const unsigned char *)src, buf, size);
+#endif
+  default:
+    errno = EAFNOSUPPORT;
+    return NULL;
+  }
+}
+#endif  /* HAVE_INET_NTOP */
Index: trunk/src/libs/curl-7.64.0/lib/inet_ntop.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/inet_ntop.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/inet_ntop.h	(revision 85671)
@@ -0,0 +1,37 @@
+#ifndef HEADER_CURL_INET_NTOP_H
+#define HEADER_CURL_INET_NTOP_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+char *Curl_inet_ntop(int af, const void *addr, char *buf, size_t size);
+
+#ifdef HAVE_INET_NTOP
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#define Curl_inet_ntop(af,addr,buf,size) \
+        inet_ntop(af, addr, buf, (curl_socklen_t)size)
+#endif
+
+#endif /* HEADER_CURL_INET_NTOP_H */
Index: trunk/src/libs/curl-7.64.0/lib/inet_pton.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/inet_pton.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/inet_pton.c	(revision 85671)
@@ -0,0 +1,236 @@
+/* This is from the BIND 4.9.4 release, modified to compile by itself */
+
+/* Copyright (c) 1996 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#include "curl_setup.h"
+
+#ifndef HAVE_INET_PTON
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+
+#include "inet_pton.h"
+
+#define IN6ADDRSZ       16
+#define INADDRSZ         4
+#define INT16SZ          2
+
+/*
+ * WARNING: Don't even consider trying to compile this on a system where
+ * sizeof(int) < 4.  sizeof(int) > 4 is fine; all the world's not a VAX.
+ */
+
+static int      inet_pton4(const char *src, unsigned char *dst);
+#ifdef ENABLE_IPV6
+static int      inet_pton6(const char *src, unsigned char *dst);
+#endif
+
+/* int
+ * inet_pton(af, src, dst)
+ *      convert from presentation format (which usually means ASCII printable)
+ *      to network format (which is usually some kind of binary format).
+ * return:
+ *      1 if the address was valid for the specified address family
+ *      0 if the address wasn't valid (`dst' is untouched in this case)
+ *      -1 if some other error occurred (`dst' is untouched in this case, too)
+ * notice:
+ *      On Windows we store the error in the thread errno, not
+ *      in the winsock error code. This is to avoid losing the
+ *      actual last winsock error. So when this function returns
+ *      -1, check errno not SOCKERRNO.
+ * author:
+ *      Paul Vixie, 1996.
+ */
+int
+Curl_inet_pton(int af, const char *src, void *dst)
+{
+  switch(af) {
+  case AF_INET:
+    return (inet_pton4(src, (unsigned char *)dst));
+#ifdef ENABLE_IPV6
+  case AF_INET6:
+    return (inet_pton6(src, (unsigned char *)dst));
+#endif
+  default:
+    errno = EAFNOSUPPORT;
+    return (-1);
+  }
+  /* NOTREACHED */
+}
+
+/* int
+ * inet_pton4(src, dst)
+ *      like inet_aton() but without all the hexadecimal and shorthand.
+ * return:
+ *      1 if `src' is a valid dotted quad, else 0.
+ * notice:
+ *      does not touch `dst' unless it's returning 1.
+ * author:
+ *      Paul Vixie, 1996.
+ */
+static int
+inet_pton4(const char *src, unsigned char *dst)
+{
+  static const char digits[] = "0123456789";
+  int saw_digit, octets, ch;
+  unsigned char tmp[INADDRSZ], *tp;
+
+  saw_digit = 0;
+  octets = 0;
+  tp = tmp;
+  *tp = 0;
+  while((ch = *src++) != '\0') {
+    const char *pch;
+
+    pch = strchr(digits, ch);
+    if(pch) {
+      unsigned int val = *tp * 10 + (unsigned int)(pch - digits);
+
+      if(saw_digit && *tp == 0)
+        return (0);
+      if(val > 255)
+        return (0);
+      *tp = (unsigned char)val;
+      if(! saw_digit) {
+        if(++octets > 4)
+          return (0);
+        saw_digit = 1;
+      }
+    }
+    else if(ch == '.' && saw_digit) {
+      if(octets == 4)
+        return (0);
+      *++tp = 0;
+      saw_digit = 0;
+    }
+    else
+      return (0);
+  }
+  if(octets < 4)
+    return (0);
+  memcpy(dst, tmp, INADDRSZ);
+  return (1);
+}
+
+#ifdef ENABLE_IPV6
+/* int
+ * inet_pton6(src, dst)
+ *      convert presentation level address to network order binary form.
+ * return:
+ *      1 if `src' is a valid [RFC1884 2.2] address, else 0.
+ * notice:
+ *      (1) does not touch `dst' unless it's returning 1.
+ *      (2) :: in a full address is silently ignored.
+ * credit:
+ *      inspired by Mark Andrews.
+ * author:
+ *      Paul Vixie, 1996.
+ */
+static int
+inet_pton6(const char *src, unsigned char *dst)
+{
+  static const char xdigits_l[] = "0123456789abcdef",
+    xdigits_u[] = "0123456789ABCDEF";
+  unsigned char tmp[IN6ADDRSZ], *tp, *endp, *colonp;
+  const char *xdigits, *curtok;
+  int ch, saw_xdigit;
+  size_t val;
+
+  memset((tp = tmp), 0, IN6ADDRSZ);
+  endp = tp + IN6ADDRSZ;
+  colonp = NULL;
+  /* Leading :: requires some special handling. */
+  if(*src == ':')
+    if(*++src != ':')
+      return (0);
+  curtok = src;
+  saw_xdigit = 0;
+  val = 0;
+  while((ch = *src++) != '\0') {
+    const char *pch;
+
+    pch = strchr((xdigits = xdigits_l), ch);
+    if(!pch)
+      pch = strchr((xdigits = xdigits_u), ch);
+    if(pch != NULL) {
+      val <<= 4;
+      val |= (pch - xdigits);
+      if(++saw_xdigit > 4)
+        return (0);
+      continue;
+    }
+    if(ch == ':') {
+      curtok = src;
+      if(!saw_xdigit) {
+        if(colonp)
+          return (0);
+        colonp = tp;
+        continue;
+      }
+      if(tp + INT16SZ > endp)
+        return (0);
+      *tp++ = (unsigned char) ((val >> 8) & 0xff);
+      *tp++ = (unsigned char) (val & 0xff);
+      saw_xdigit = 0;
+      val = 0;
+      continue;
+    }
+    if(ch == '.' && ((tp + INADDRSZ) <= endp) &&
+        inet_pton4(curtok, tp) > 0) {
+      tp += INADDRSZ;
+      saw_xdigit = 0;
+      break;    /* '\0' was seen by inet_pton4(). */
+    }
+    return (0);
+  }
+  if(saw_xdigit) {
+    if(tp + INT16SZ > endp)
+      return (0);
+    *tp++ = (unsigned char) ((val >> 8) & 0xff);
+    *tp++ = (unsigned char) (val & 0xff);
+  }
+  if(colonp != NULL) {
+    /*
+     * Since some memmove()'s erroneously fail to handle
+     * overlapping regions, we'll do the shift by hand.
+     */
+    const ssize_t n = tp - colonp;
+    ssize_t i;
+
+    if(tp == endp)
+      return (0);
+    for(i = 1; i <= n; i++) {
+      *(endp - i) = *(colonp + n - i);
+      *(colonp + n - i) = 0;
+    }
+    tp = endp;
+  }
+  if(tp != endp)
+    return (0);
+  memcpy(dst, tmp, IN6ADDRSZ);
+  return (1);
+}
+#endif /* ENABLE_IPV6 */
+
+#endif /* HAVE_INET_PTON */
Index: trunk/src/libs/curl-7.64.0/lib/inet_pton.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/inet_pton.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/inet_pton.h	(revision 85671)
@@ -0,0 +1,39 @@
+#ifndef HEADER_CURL_INET_PTON_H
+#define HEADER_CURL_INET_PTON_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+int Curl_inet_pton(int, const char *, void *);
+
+#ifdef HAVE_INET_PTON
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#elif defined(HAVE_WS2TCPIP_H)
+/* inet_pton() exists in Vista or later */
+#include <ws2tcpip.h>
+#endif
+#define Curl_inet_pton(x,y,z) inet_pton(x,y,z)
+#endif
+
+#endif /* HEADER_CURL_INET_PTON_H */
Index: trunk/src/libs/curl-7.64.0/lib/krb5.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/krb5.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/krb5.c	(revision 85671)
@@ -0,0 +1,343 @@
+/* GSSAPI/krb5 support for FTP - loosely based on old krb4.c
+ *
+ * Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * Copyright (c) 2004 - 2017 Daniel Stenberg
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.  */
+
+#include "curl_setup.h"
+
+#if defined(HAVE_GSSAPI) && !defined(CURL_DISABLE_FTP)
+
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+
+#include "urldata.h"
+#include "curl_base64.h"
+#include "ftp.h"
+#include "curl_gssapi.h"
+#include "sendf.h"
+#include "curl_sec.h"
+#include "warnless.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+static int
+krb5_init(void *app_data)
+{
+  gss_ctx_id_t *context = app_data;
+  /* Make sure our context is initialized for krb5_end. */
+  *context = GSS_C_NO_CONTEXT;
+  return 0;
+}
+
+static int
+krb5_check_prot(void *app_data, int level)
+{
+  (void)app_data; /* unused */
+  if(level == PROT_CONFIDENTIAL)
+    return -1;
+  return 0;
+}
+
+static int
+krb5_decode(void *app_data, void *buf, int len,
+            int level UNUSED_PARAM,
+            struct connectdata *conn UNUSED_PARAM)
+{
+  gss_ctx_id_t *context = app_data;
+  OM_uint32 maj, min;
+  gss_buffer_desc enc, dec;
+
+  (void)level;
+  (void)conn;
+
+  enc.value = buf;
+  enc.length = len;
+  maj = gss_unwrap(&min, *context, &enc, &dec, NULL, NULL);
+  if(maj != GSS_S_COMPLETE) {
+    if(len >= 4)
+      strcpy(buf, "599 ");
+    return -1;
+  }
+
+  memcpy(buf, dec.value, dec.length);
+  len = curlx_uztosi(dec.length);
+  gss_release_buffer(&min, &dec);
+
+  return len;
+}
+
+static int
+krb5_overhead(void *app_data, int level, int len)
+{
+  /* no arguments are used */
+  (void)app_data;
+  (void)level;
+  (void)len;
+  return 0;
+}
+
+static int
+krb5_encode(void *app_data, const void *from, int length, int level, void **to)
+{
+  gss_ctx_id_t *context = app_data;
+  gss_buffer_desc dec, enc;
+  OM_uint32 maj, min;
+  int state;
+  int len;
+
+  /* NOTE that the cast is safe, neither of the krb5, gnu gss and heimdal
+   * libraries modify the input buffer in gss_wrap()
+   */
+  dec.value = (void *)from;
+  dec.length = length;
+  maj = gss_wrap(&min, *context,
+                 level == PROT_PRIVATE,
+                 GSS_C_QOP_DEFAULT,
+                 &dec, &state, &enc);
+
+  if(maj != GSS_S_COMPLETE)
+    return -1;
+
+  /* malloc a new buffer, in case gss_release_buffer doesn't work as
+     expected */
+  *to = malloc(enc.length);
+  if(!*to)
+    return -1;
+  memcpy(*to, enc.value, enc.length);
+  len = curlx_uztosi(enc.length);
+  gss_release_buffer(&min, &enc);
+  return len;
+}
+
+static int
+krb5_auth(void *app_data, struct connectdata *conn)
+{
+  int ret = AUTH_OK;
+  char *p;
+  const char *host = conn->host.name;
+  ssize_t nread;
+  curl_socklen_t l = sizeof(conn->local_addr);
+  struct Curl_easy *data = conn->data;
+  CURLcode result;
+  const char *service = data->set.str[STRING_SERVICE_NAME] ?
+                        data->set.str[STRING_SERVICE_NAME] :
+                        "ftp";
+  const char *srv_host = "host";
+  gss_buffer_desc input_buffer, output_buffer, _gssresp, *gssresp;
+  OM_uint32 maj, min;
+  gss_name_t gssname;
+  gss_ctx_id_t *context = app_data;
+  struct gss_channel_bindings_struct chan;
+  size_t base64_sz = 0;
+  struct sockaddr_in **remote_addr =
+    (struct sockaddr_in **)&conn->ip_addr->ai_addr;
+  char *stringp;
+
+  if(getsockname(conn->sock[FIRSTSOCKET],
+                 (struct sockaddr *)&conn->local_addr, &l) < 0)
+    perror("getsockname()");
+
+  chan.initiator_addrtype = GSS_C_AF_INET;
+  chan.initiator_address.length = l - 4;
+  chan.initiator_address.value = &conn->local_addr.sin_addr.s_addr;
+  chan.acceptor_addrtype = GSS_C_AF_INET;
+  chan.acceptor_address.length = l - 4;
+  chan.acceptor_address.value = &(*remote_addr)->sin_addr.s_addr;
+  chan.application_data.length = 0;
+  chan.application_data.value = NULL;
+
+  /* this loop will execute twice (once for service, once for host) */
+  for(;;) {
+    /* this really shouldn't be repeated here, but can't help it */
+    if(service == srv_host) {
+      result = Curl_ftpsend(conn, "AUTH GSSAPI");
+      if(result)
+        return -2;
+
+      if(Curl_GetFTPResponse(&nread, conn, NULL))
+        return -1;
+
+      if(data->state.buffer[0] != '3')
+        return -1;
+    }
+
+    stringp = aprintf("%s@%s", service, host);
+    if(!stringp)
+      return -2;
+
+    input_buffer.value = stringp;
+    input_buffer.length = strlen(stringp);
+    maj = gss_import_name(&min, &input_buffer, GSS_C_NT_HOSTBASED_SERVICE,
+                          &gssname);
+    free(stringp);
+    if(maj != GSS_S_COMPLETE) {
+      gss_release_name(&min, &gssname);
+      if(service == srv_host) {
+        failf(data, "Error importing service name %s@%s", service, host);
+        return AUTH_ERROR;
+      }
+      service = srv_host;
+      continue;
+    }
+    /* We pass NULL as |output_name_type| to avoid a leak. */
+    gss_display_name(&min, gssname, &output_buffer, NULL);
+    Curl_infof(data, "Trying against %s\n", output_buffer.value);
+    gssresp = GSS_C_NO_BUFFER;
+    *context = GSS_C_NO_CONTEXT;
+
+    do {
+      /* Release the buffer at each iteration to avoid leaking: the first time
+         we are releasing the memory from gss_display_name. The last item is
+         taken care by a final gss_release_buffer. */
+      gss_release_buffer(&min, &output_buffer);
+      ret = AUTH_OK;
+      maj = Curl_gss_init_sec_context(data,
+                                      &min,
+                                      context,
+                                      gssname,
+                                      &Curl_krb5_mech_oid,
+                                      &chan,
+                                      gssresp,
+                                      &output_buffer,
+                                      TRUE,
+                                      NULL);
+
+      if(gssresp) {
+        free(_gssresp.value);
+        gssresp = NULL;
+      }
+
+      if(GSS_ERROR(maj)) {
+        Curl_infof(data, "Error creating security context\n");
+        ret = AUTH_ERROR;
+        break;
+      }
+
+      if(output_buffer.length != 0) {
+        char *cmd;
+
+        result = Curl_base64_encode(data, (char *)output_buffer.value,
+                                    output_buffer.length, &p, &base64_sz);
+        if(result) {
+          Curl_infof(data, "base64-encoding: %s\n",
+                     curl_easy_strerror(result));
+          ret = AUTH_ERROR;
+          break;
+        }
+
+        cmd = aprintf("ADAT %s", p);
+        if(cmd)
+          result = Curl_ftpsend(conn, cmd);
+        else
+          result = CURLE_OUT_OF_MEMORY;
+
+        free(p);
+        free(cmd);
+
+        if(result) {
+          ret = -2;
+          break;
+        }
+
+        if(Curl_GetFTPResponse(&nread, conn, NULL)) {
+          ret = -1;
+          break;
+        }
+
+        if(data->state.buffer[0] != '2' && data->state.buffer[0] != '3') {
+          Curl_infof(data, "Server didn't accept auth data\n");
+          ret = AUTH_ERROR;
+          break;
+        }
+
+        _gssresp.value = NULL; /* make sure it is initialized */
+        p = data->state.buffer + 4;
+        p = strstr(p, "ADAT=");
+        if(p) {
+          result = Curl_base64_decode(p + 5,
+                                      (unsigned char **)&_gssresp.value,
+                                      &_gssresp.length);
+          if(result) {
+            failf(data, "base64-decoding: %s", curl_easy_strerror(result));
+            ret = AUTH_CONTINUE;
+            break;
+          }
+        }
+
+        gssresp = &_gssresp;
+      }
+    } while(maj == GSS_S_CONTINUE_NEEDED);
+
+    gss_release_name(&min, &gssname);
+    gss_release_buffer(&min, &output_buffer);
+
+    if(gssresp)
+      free(_gssresp.value);
+
+    if(ret == AUTH_OK || service == srv_host)
+      return ret;
+
+    service = srv_host;
+  }
+  return ret;
+}
+
+static void krb5_end(void *app_data)
+{
+    OM_uint32 min;
+    gss_ctx_id_t *context = app_data;
+    if(*context != GSS_C_NO_CONTEXT) {
+#ifdef DEBUGBUILD
+      OM_uint32 maj =
+#endif
+      gss_delete_sec_context(&min, context, GSS_C_NO_BUFFER);
+      DEBUGASSERT(maj == GSS_S_COMPLETE);
+    }
+}
+
+struct Curl_sec_client_mech Curl_krb5_client_mech = {
+    "GSSAPI",
+    sizeof(gss_ctx_id_t),
+    krb5_init,
+    krb5_auth,
+    krb5_end,
+    krb5_check_prot,
+    krb5_overhead,
+    krb5_encode,
+    krb5_decode
+};
+
+#endif /* HAVE_GSSAPI && !CURL_DISABLE_FTP */
Index: trunk/src/libs/curl-7.64.0/lib/ldap.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/ldap.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/ldap.c	(revision 85671)
@@ -0,0 +1,1089 @@
+/***************************************************************************
+ *                      _   _ ____  _
+ *  Project         ___| | | |  _ \| |
+ *                 / __| | | | |_) | |
+ *                | (__| |_| |  _ <| |___
+ *                 \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if !defined(CURL_DISABLE_LDAP) && !defined(USE_OPENLDAP)
+
+/*
+ * Notice that USE_OPENLDAP is only a source code selection switch. When
+ * libcurl is built with USE_OPENLDAP defined the libcurl source code that
+ * gets compiled is the code from openldap.c, otherwise the code that gets
+ * compiled is the code from ldap.c.
+ *
+ * When USE_OPENLDAP is defined a recent version of the OpenLDAP library
+ * might be required for compilation and runtime. In order to use ancient
+ * OpenLDAP library versions, USE_OPENLDAP shall not be defined.
+ */
+
+#ifdef USE_WIN32_LDAP           /* Use Windows LDAP implementation. */
+# include <winldap.h>
+# ifndef LDAP_VENDOR_NAME
+#  error Your Platform SDK is NOT sufficient for LDAP support! \
+         Update your Platform SDK, or disable LDAP support!
+# else
+#  include <winber.h>
+# endif
+#else
+# define LDAP_DEPRECATED 1      /* Be sure ldap_init() is defined. */
+# ifdef HAVE_LBER_H
+#  include <lber.h>
+# endif
+# include <ldap.h>
+# if (defined(HAVE_LDAP_SSL) && defined(HAVE_LDAP_SSL_H))
+#  include <ldap_ssl.h>
+# endif /* HAVE_LDAP_SSL && HAVE_LDAP_SSL_H */
+#endif
+
+#include "urldata.h"
+#include <curl/curl.h>
+#include "sendf.h"
+#include "escape.h"
+#include "progress.h"
+#include "transfer.h"
+#include "strcase.h"
+#include "strtok.h"
+#include "curl_ldap.h"
+#include "curl_multibyte.h"
+#include "curl_base64.h"
+#include "connect.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#ifndef HAVE_LDAP_URL_PARSE
+
+/* Use our own implementation. */
+
+typedef struct {
+  char   *lud_host;
+  int     lud_port;
+#if defined(USE_WIN32_LDAP)
+  TCHAR  *lud_dn;
+  TCHAR **lud_attrs;
+#else
+  char   *lud_dn;
+  char  **lud_attrs;
+#endif
+  int     lud_scope;
+#if defined(USE_WIN32_LDAP)
+  TCHAR  *lud_filter;
+#else
+  char   *lud_filter;
+#endif
+  char  **lud_exts;
+  size_t    lud_attrs_dups; /* how many were dup'ed, this field is not in the
+                               "real" struct so can only be used in code
+                               without HAVE_LDAP_URL_PARSE defined */
+} CURL_LDAPURLDesc;
+
+#undef LDAPURLDesc
+#define LDAPURLDesc             CURL_LDAPURLDesc
+
+static int  _ldap_url_parse(const struct connectdata *conn,
+                            LDAPURLDesc **ludp);
+static void _ldap_free_urldesc(LDAPURLDesc *ludp);
+
+#undef ldap_free_urldesc
+#define ldap_free_urldesc       _ldap_free_urldesc
+#endif
+
+#ifdef DEBUG_LDAP
+  #define LDAP_TRACE(x)   do { \
+                            _ldap_trace("%u: ", __LINE__); \
+                            _ldap_trace x; \
+                          } WHILE_FALSE
+
+  static void _ldap_trace(const char *fmt, ...);
+#else
+  #define LDAP_TRACE(x)   Curl_nop_stmt
+#endif
+
+
+static CURLcode Curl_ldap(struct connectdata *conn, bool *done);
+
+/*
+ * LDAP protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_ldap = {
+  "LDAP",                               /* scheme */
+  ZERO_NULL,                            /* setup_connection */
+  Curl_ldap,                            /* do_it */
+  ZERO_NULL,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  ZERO_NULL,                            /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  ZERO_NULL,                            /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_LDAP,                            /* defport */
+  CURLPROTO_LDAP,                       /* protocol */
+  PROTOPT_NONE                          /* flags */
+};
+
+#ifdef HAVE_LDAP_SSL
+/*
+ * LDAPS protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_ldaps = {
+  "LDAPS",                              /* scheme */
+  ZERO_NULL,                            /* setup_connection */
+  Curl_ldap,                            /* do_it */
+  ZERO_NULL,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  ZERO_NULL,                            /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  ZERO_NULL,                            /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_LDAPS,                           /* defport */
+  CURLPROTO_LDAPS,                      /* protocol */
+  PROTOPT_SSL                           /* flags */
+};
+#endif
+
+#if defined(USE_WIN32_LDAP)
+
+#if defined(USE_WINDOWS_SSPI)
+static int ldap_win_bind_auth(LDAP *server, const char *user,
+                              const char *passwd, unsigned long authflags)
+{
+  ULONG method = 0;
+  SEC_WINNT_AUTH_IDENTITY cred;
+  int rc = LDAP_AUTH_METHOD_NOT_SUPPORTED;
+
+  memset(&cred, 0, sizeof(cred));
+
+#if defined(USE_SPNEGO)
+  if(authflags & CURLAUTH_NEGOTIATE) {
+    method = LDAP_AUTH_NEGOTIATE;
+  }
+  else
+#endif
+#if defined(USE_NTLM)
+  if(authflags & CURLAUTH_NTLM) {
+    method = LDAP_AUTH_NTLM;
+  }
+  else
+#endif
+#if !defined(CURL_DISABLE_CRYPTO_AUTH)
+  if(authflags & CURLAUTH_DIGEST) {
+    method = LDAP_AUTH_DIGEST;
+  }
+  else
+#endif
+  {
+    /* required anyway if one of upper preprocessor definitions enabled */
+  }
+
+  if(method && user && passwd) {
+    rc = Curl_create_sspi_identity(user, passwd, &cred);
+    if(!rc) {
+      rc = ldap_bind_s(server, NULL, (TCHAR *)&cred, method);
+      Curl_sspi_free_identity(&cred);
+    }
+  }
+  else {
+    /* proceed with current user credentials */
+    method = LDAP_AUTH_NEGOTIATE;
+    rc = ldap_bind_s(server, NULL, NULL, method);
+  }
+  return rc;
+}
+#endif /* #if defined(USE_WINDOWS_SSPI) */
+
+static int ldap_win_bind(struct connectdata *conn, LDAP *server,
+                         const char *user, const char *passwd)
+{
+  int rc = LDAP_INVALID_CREDENTIALS;
+
+  PTCHAR inuser = NULL;
+  PTCHAR inpass = NULL;
+
+  if(user && passwd && (conn->data->set.httpauth & CURLAUTH_BASIC)) {
+    inuser = Curl_convert_UTF8_to_tchar((char *) user);
+    inpass = Curl_convert_UTF8_to_tchar((char *) passwd);
+
+    rc = ldap_simple_bind_s(server, inuser, inpass);
+
+    Curl_unicodefree(inuser);
+    Curl_unicodefree(inpass);
+  }
+#if defined(USE_WINDOWS_SSPI)
+  else {
+    rc = ldap_win_bind_auth(server, user, passwd, conn->data->set.httpauth);
+  }
+#endif
+
+  return rc;
+}
+#endif /* #if defined(USE_WIN32_LDAP) */
+
+static CURLcode Curl_ldap(struct connectdata *conn, bool *done)
+{
+  CURLcode result = CURLE_OK;
+  int rc = 0;
+  LDAP *server = NULL;
+  LDAPURLDesc *ludp = NULL;
+  LDAPMessage *ldapmsg = NULL;
+  LDAPMessage *entryIterator;
+  int num = 0;
+  struct Curl_easy *data = conn->data;
+  int ldap_proto = LDAP_VERSION3;
+  int ldap_ssl = 0;
+  char *val_b64 = NULL;
+  size_t val_b64_sz = 0;
+  curl_off_t dlsize = 0;
+#ifdef LDAP_OPT_NETWORK_TIMEOUT
+  struct timeval ldap_timeout = {10, 0}; /* 10 sec connection/search timeout */
+#endif
+#if defined(USE_WIN32_LDAP)
+  TCHAR *host = NULL;
+#else
+  char *host = NULL;
+#endif
+  char *user = NULL;
+  char *passwd = NULL;
+
+  *done = TRUE; /* unconditionally */
+  infof(data, "LDAP local: LDAP Vendor = %s ; LDAP Version = %d\n",
+          LDAP_VENDOR_NAME, LDAP_VENDOR_VERSION);
+  infof(data, "LDAP local: %s\n", data->change.url);
+
+#ifdef HAVE_LDAP_URL_PARSE
+  rc = ldap_url_parse(data->change.url, &ludp);
+#else
+  rc = _ldap_url_parse(conn, &ludp);
+#endif
+  if(rc != 0) {
+    failf(data, "LDAP local: %s", ldap_err2string(rc));
+    result = CURLE_LDAP_INVALID_URL;
+    goto quit;
+  }
+
+  /* Get the URL scheme (either ldap or ldaps) */
+  if(conn->given->flags & PROTOPT_SSL)
+    ldap_ssl = 1;
+  infof(data, "LDAP local: trying to establish %s connection\n",
+          ldap_ssl ? "encrypted" : "cleartext");
+
+#if defined(USE_WIN32_LDAP)
+  host = Curl_convert_UTF8_to_tchar(conn->host.name);
+  if(!host) {
+    result = CURLE_OUT_OF_MEMORY;
+
+    goto quit;
+  }
+#else
+  host = conn->host.name;
+#endif
+
+  if(conn->bits.user_passwd) {
+    user = conn->user;
+    passwd = conn->passwd;
+  }
+
+#ifdef LDAP_OPT_NETWORK_TIMEOUT
+  ldap_set_option(NULL, LDAP_OPT_NETWORK_TIMEOUT, &ldap_timeout);
+#endif
+  ldap_set_option(NULL, LDAP_OPT_PROTOCOL_VERSION, &ldap_proto);
+
+  if(ldap_ssl) {
+#ifdef HAVE_LDAP_SSL
+#ifdef USE_WIN32_LDAP
+    /* Win32 LDAP SDK doesn't support insecure mode without CA! */
+    server = ldap_sslinit(host, (int)conn->port, 1);
+    ldap_set_option(server, LDAP_OPT_SSL, LDAP_OPT_ON);
+#else
+    int ldap_option;
+    char *ldap_ca = conn->ssl_config.CAfile;
+#if defined(CURL_HAS_NOVELL_LDAPSDK)
+    rc = ldapssl_client_init(NULL, NULL);
+    if(rc != LDAP_SUCCESS) {
+      failf(data, "LDAP local: ldapssl_client_init %s", ldap_err2string(rc));
+      result = CURLE_SSL_CERTPROBLEM;
+      goto quit;
+    }
+    if(conn->ssl_config.verifypeer) {
+      /* Novell SDK supports DER or BASE64 files. */
+      int cert_type = LDAPSSL_CERT_FILETYPE_B64;
+      if((data->set.ssl.cert_type) &&
+         (strcasecompare(data->set.ssl.cert_type, "DER")))
+        cert_type = LDAPSSL_CERT_FILETYPE_DER;
+      if(!ldap_ca) {
+        failf(data, "LDAP local: ERROR %s CA cert not set!",
+              (cert_type == LDAPSSL_CERT_FILETYPE_DER ? "DER" : "PEM"));
+        result = CURLE_SSL_CERTPROBLEM;
+        goto quit;
+      }
+      infof(data, "LDAP local: using %s CA cert '%s'\n",
+              (cert_type == LDAPSSL_CERT_FILETYPE_DER ? "DER" : "PEM"),
+              ldap_ca);
+      rc = ldapssl_add_trusted_cert(ldap_ca, cert_type);
+      if(rc != LDAP_SUCCESS) {
+        failf(data, "LDAP local: ERROR setting %s CA cert: %s",
+                (cert_type == LDAPSSL_CERT_FILETYPE_DER ? "DER" : "PEM"),
+                ldap_err2string(rc));
+        result = CURLE_SSL_CERTPROBLEM;
+        goto quit;
+      }
+      ldap_option = LDAPSSL_VERIFY_SERVER;
+    }
+    else
+      ldap_option = LDAPSSL_VERIFY_NONE;
+    rc = ldapssl_set_verify_mode(ldap_option);
+    if(rc != LDAP_SUCCESS) {
+      failf(data, "LDAP local: ERROR setting cert verify mode: %s",
+              ldap_err2string(rc));
+      result = CURLE_SSL_CERTPROBLEM;
+      goto quit;
+    }
+    server = ldapssl_init(host, (int)conn->port, 1);
+    if(server == NULL) {
+      failf(data, "LDAP local: Cannot connect to %s:%ld",
+            conn->host.dispname, conn->port);
+      result = CURLE_COULDNT_CONNECT;
+      goto quit;
+    }
+#elif defined(LDAP_OPT_X_TLS)
+    if(conn->ssl_config.verifypeer) {
+      /* OpenLDAP SDK supports BASE64 files. */
+      if((data->set.ssl.cert_type) &&
+         (!strcasecompare(data->set.ssl.cert_type, "PEM"))) {
+        failf(data, "LDAP local: ERROR OpenLDAP only supports PEM cert-type!");
+        result = CURLE_SSL_CERTPROBLEM;
+        goto quit;
+      }
+      if(!ldap_ca) {
+        failf(data, "LDAP local: ERROR PEM CA cert not set!");
+        result = CURLE_SSL_CERTPROBLEM;
+        goto quit;
+      }
+      infof(data, "LDAP local: using PEM CA cert: %s\n", ldap_ca);
+      rc = ldap_set_option(NULL, LDAP_OPT_X_TLS_CACERTFILE, ldap_ca);
+      if(rc != LDAP_SUCCESS) {
+        failf(data, "LDAP local: ERROR setting PEM CA cert: %s",
+                ldap_err2string(rc));
+        result = CURLE_SSL_CERTPROBLEM;
+        goto quit;
+      }
+      ldap_option = LDAP_OPT_X_TLS_DEMAND;
+    }
+    else
+      ldap_option = LDAP_OPT_X_TLS_NEVER;
+
+    rc = ldap_set_option(NULL, LDAP_OPT_X_TLS_REQUIRE_CERT, &ldap_option);
+    if(rc != LDAP_SUCCESS) {
+      failf(data, "LDAP local: ERROR setting cert verify mode: %s",
+              ldap_err2string(rc));
+      result = CURLE_SSL_CERTPROBLEM;
+      goto quit;
+    }
+    server = ldap_init(host, (int)conn->port);
+    if(server == NULL) {
+      failf(data, "LDAP local: Cannot connect to %s:%ld",
+            conn->host.dispname, conn->port);
+      result = CURLE_COULDNT_CONNECT;
+      goto quit;
+    }
+    ldap_option = LDAP_OPT_X_TLS_HARD;
+    rc = ldap_set_option(server, LDAP_OPT_X_TLS, &ldap_option);
+    if(rc != LDAP_SUCCESS) {
+      failf(data, "LDAP local: ERROR setting SSL/TLS mode: %s",
+              ldap_err2string(rc));
+      result = CURLE_SSL_CERTPROBLEM;
+      goto quit;
+    }
+/*
+    rc = ldap_start_tls_s(server, NULL, NULL);
+    if(rc != LDAP_SUCCESS) {
+      failf(data, "LDAP local: ERROR starting SSL/TLS mode: %s",
+              ldap_err2string(rc));
+      result = CURLE_SSL_CERTPROBLEM;
+      goto quit;
+    }
+*/
+#else
+    /* we should probably never come up to here since configure
+       should check in first place if we can support LDAP SSL/TLS */
+    failf(data, "LDAP local: SSL/TLS not supported with this version "
+            "of the OpenLDAP toolkit\n");
+    result = CURLE_SSL_CERTPROBLEM;
+    goto quit;
+#endif
+#endif
+#endif /* CURL_LDAP_USE_SSL */
+  }
+  else {
+    server = ldap_init(host, (int)conn->port);
+    if(server == NULL) {
+      failf(data, "LDAP local: Cannot connect to %s:%ld",
+            conn->host.dispname, conn->port);
+      result = CURLE_COULDNT_CONNECT;
+      goto quit;
+    }
+  }
+#ifdef USE_WIN32_LDAP
+  ldap_set_option(server, LDAP_OPT_PROTOCOL_VERSION, &ldap_proto);
+#endif
+
+#ifdef USE_WIN32_LDAP
+  rc = ldap_win_bind(conn, server, user, passwd);
+#else
+  rc = ldap_simple_bind_s(server, user, passwd);
+#endif
+  if(!ldap_ssl && rc != 0) {
+    ldap_proto = LDAP_VERSION2;
+    ldap_set_option(server, LDAP_OPT_PROTOCOL_VERSION, &ldap_proto);
+#ifdef USE_WIN32_LDAP
+    rc = ldap_win_bind(conn, server, user, passwd);
+#else
+    rc = ldap_simple_bind_s(server, user, passwd);
+#endif
+  }
+  if(rc != 0) {
+#ifdef USE_WIN32_LDAP
+    failf(data, "LDAP local: bind via ldap_win_bind %s",
+          ldap_err2string(rc));
+#else
+    failf(data, "LDAP local: bind via ldap_simple_bind_s %s",
+          ldap_err2string(rc));
+#endif
+    result = CURLE_LDAP_CANNOT_BIND;
+    goto quit;
+  }
+
+  rc = ldap_search_s(server, ludp->lud_dn, ludp->lud_scope,
+                     ludp->lud_filter, ludp->lud_attrs, 0, &ldapmsg);
+
+  if(rc != 0 && rc != LDAP_SIZELIMIT_EXCEEDED) {
+    failf(data, "LDAP remote: %s", ldap_err2string(rc));
+    result = CURLE_LDAP_SEARCH_FAILED;
+    goto quit;
+  }
+
+  for(num = 0, entryIterator = ldap_first_entry(server, ldapmsg);
+      entryIterator;
+      entryIterator = ldap_next_entry(server, entryIterator), num++) {
+    BerElement *ber = NULL;
+#if defined(USE_WIN32_LDAP)
+    TCHAR *attribute;
+#else
+    char  *attribute;       /*! suspicious that this isn't 'const' */
+#endif
+    int i;
+
+    /* Get the DN and write it to the client */
+    {
+      char *name;
+      size_t name_len;
+#if defined(USE_WIN32_LDAP)
+      TCHAR *dn = ldap_get_dn(server, entryIterator);
+      name = Curl_convert_tchar_to_UTF8(dn);
+      if(!name) {
+        ldap_memfree(dn);
+
+        result = CURLE_OUT_OF_MEMORY;
+
+        goto quit;
+      }
+#else
+      char *dn = name = ldap_get_dn(server, entryIterator);
+#endif
+      name_len = strlen(name);
+
+      result = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"DN: ", 4);
+      if(result) {
+#if defined(USE_WIN32_LDAP)
+        Curl_unicodefree(name);
+#endif
+        ldap_memfree(dn);
+
+        goto quit;
+      }
+
+      result = Curl_client_write(conn, CLIENTWRITE_BODY, (char *) name,
+                                 name_len);
+      if(result) {
+#if defined(USE_WIN32_LDAP)
+        Curl_unicodefree(name);
+#endif
+        ldap_memfree(dn);
+
+        goto quit;
+      }
+
+      result = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 1);
+      if(result) {
+#if defined(USE_WIN32_LDAP)
+        Curl_unicodefree(name);
+#endif
+        ldap_memfree(dn);
+
+        goto quit;
+      }
+
+      dlsize += name_len + 5;
+
+#if defined(USE_WIN32_LDAP)
+      Curl_unicodefree(name);
+#endif
+      ldap_memfree(dn);
+    }
+
+    /* Get the attributes and write them to the client */
+    for(attribute = ldap_first_attribute(server, entryIterator, &ber);
+        attribute;
+        attribute = ldap_next_attribute(server, entryIterator, ber)) {
+      BerValue **vals;
+      size_t attr_len;
+#if defined(USE_WIN32_LDAP)
+      char *attr = Curl_convert_tchar_to_UTF8(attribute);
+      if(!attr) {
+        if(ber)
+          ber_free(ber, 0);
+
+        result = CURLE_OUT_OF_MEMORY;
+
+        goto quit;
+    }
+#else
+      char *attr = attribute;
+#endif
+      attr_len = strlen(attr);
+
+      vals = ldap_get_values_len(server, entryIterator, attribute);
+      if(vals != NULL) {
+        for(i = 0; (vals[i] != NULL); i++) {
+          result = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\t", 1);
+          if(result) {
+            ldap_value_free_len(vals);
+#if defined(USE_WIN32_LDAP)
+            Curl_unicodefree(attr);
+#endif
+            ldap_memfree(attribute);
+            if(ber)
+              ber_free(ber, 0);
+
+            goto quit;
+          }
+
+          result = Curl_client_write(conn, CLIENTWRITE_BODY,
+                                     (char *) attr, attr_len);
+          if(result) {
+            ldap_value_free_len(vals);
+#if defined(USE_WIN32_LDAP)
+            Curl_unicodefree(attr);
+#endif
+            ldap_memfree(attribute);
+            if(ber)
+              ber_free(ber, 0);
+
+            goto quit;
+          }
+
+          result = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)": ", 2);
+          if(result) {
+            ldap_value_free_len(vals);
+#if defined(USE_WIN32_LDAP)
+            Curl_unicodefree(attr);
+#endif
+            ldap_memfree(attribute);
+            if(ber)
+              ber_free(ber, 0);
+
+            goto quit;
+          }
+
+          dlsize += attr_len + 3;
+
+          if((attr_len > 7) &&
+             (strcmp(";binary", (char *) attr + (attr_len - 7)) == 0)) {
+            /* Binary attribute, encode to base64. */
+            result = Curl_base64_encode(data,
+                                        vals[i]->bv_val,
+                                        vals[i]->bv_len,
+                                        &val_b64,
+                                        &val_b64_sz);
+            if(result) {
+              ldap_value_free_len(vals);
+#if defined(USE_WIN32_LDAP)
+              Curl_unicodefree(attr);
+#endif
+              ldap_memfree(attribute);
+              if(ber)
+                ber_free(ber, 0);
+
+              goto quit;
+            }
+
+            if(val_b64_sz > 0) {
+              result = Curl_client_write(conn, CLIENTWRITE_BODY, val_b64,
+                                         val_b64_sz);
+              free(val_b64);
+              if(result) {
+                ldap_value_free_len(vals);
+#if defined(USE_WIN32_LDAP)
+                Curl_unicodefree(attr);
+#endif
+                ldap_memfree(attribute);
+                if(ber)
+                  ber_free(ber, 0);
+
+                goto quit;
+              }
+
+              dlsize += val_b64_sz;
+            }
+          }
+          else {
+            result = Curl_client_write(conn, CLIENTWRITE_BODY, vals[i]->bv_val,
+                                       vals[i]->bv_len);
+            if(result) {
+              ldap_value_free_len(vals);
+#if defined(USE_WIN32_LDAP)
+              Curl_unicodefree(attr);
+#endif
+              ldap_memfree(attribute);
+              if(ber)
+                ber_free(ber, 0);
+
+              goto quit;
+            }
+
+            dlsize += vals[i]->bv_len;
+          }
+
+          result = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 1);
+          if(result) {
+            ldap_value_free_len(vals);
+#if defined(USE_WIN32_LDAP)
+            Curl_unicodefree(attr);
+#endif
+            ldap_memfree(attribute);
+            if(ber)
+              ber_free(ber, 0);
+
+            goto quit;
+          }
+
+          dlsize++;
+        }
+
+        /* Free memory used to store values */
+        ldap_value_free_len(vals);
+      }
+
+      /* Free the attribute as we are done with it */
+#if defined(USE_WIN32_LDAP)
+      Curl_unicodefree(attr);
+#endif
+      ldap_memfree(attribute);
+
+      result = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 1);
+      if(result)
+        goto quit;
+      dlsize++;
+      Curl_pgrsSetDownloadCounter(data, dlsize);
+    }
+
+    if(ber)
+       ber_free(ber, 0);
+  }
+
+quit:
+  if(ldapmsg) {
+    ldap_msgfree(ldapmsg);
+    LDAP_TRACE(("Received %d entries\n", num));
+  }
+  if(rc == LDAP_SIZELIMIT_EXCEEDED)
+    infof(data, "There are more than %d entries\n", num);
+  if(ludp)
+    ldap_free_urldesc(ludp);
+  if(server)
+    ldap_unbind_s(server);
+#if defined(HAVE_LDAP_SSL) && defined(CURL_HAS_NOVELL_LDAPSDK)
+  if(ldap_ssl)
+    ldapssl_client_deinit();
+#endif /* HAVE_LDAP_SSL && CURL_HAS_NOVELL_LDAPSDK */
+
+#if defined(USE_WIN32_LDAP)
+  Curl_unicodefree(host);
+#endif
+
+  /* no data to transfer */
+  Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
+  connclose(conn, "LDAP connection always disable re-use");
+
+  return result;
+}
+
+#ifdef DEBUG_LDAP
+static void _ldap_trace(const char *fmt, ...)
+{
+  static int do_trace = -1;
+  va_list args;
+
+  if(do_trace == -1) {
+    const char *env = getenv("CURL_TRACE");
+    do_trace = (env && strtol(env, NULL, 10) > 0);
+  }
+  if(!do_trace)
+    return;
+
+  va_start(args, fmt);
+  vfprintf(stderr, fmt, args);
+  va_end(args);
+}
+#endif
+
+#ifndef HAVE_LDAP_URL_PARSE
+
+/*
+ * Return scope-value for a scope-string.
+ */
+static int str2scope(const char *p)
+{
+  if(strcasecompare(p, "one"))
+    return LDAP_SCOPE_ONELEVEL;
+  if(strcasecompare(p, "onetree"))
+    return LDAP_SCOPE_ONELEVEL;
+  if(strcasecompare(p, "base"))
+    return LDAP_SCOPE_BASE;
+  if(strcasecompare(p, "sub"))
+    return LDAP_SCOPE_SUBTREE;
+  if(strcasecompare(p, "subtree"))
+    return LDAP_SCOPE_SUBTREE;
+  return (-1);
+}
+
+/*
+ * Split 'str' into strings separated by commas.
+ * Note: out[] points into 'str'.
+ */
+static bool split_str(char *str, char ***out, size_t *count)
+{
+  char **res;
+  char *lasts;
+  char *s;
+  size_t  i;
+  size_t items = 1;
+
+  s = strchr(str, ',');
+  while(s) {
+    items++;
+    s = strchr(++s, ',');
+  }
+
+  res = calloc(items, sizeof(char *));
+  if(!res)
+    return FALSE;
+
+  for(i = 0, s = strtok_r(str, ",", &lasts); s && i < items;
+      s = strtok_r(NULL, ",", &lasts), i++)
+    res[i] = s;
+
+  *out = res;
+  *count = items;
+
+  return TRUE;
+}
+
+/*
+ * Break apart the pieces of an LDAP URL.
+ * Syntax:
+ *   ldap://<hostname>:<port>/<base_dn>?<attributes>?<scope>?<filter>?<ext>
+ *
+ * <hostname> already known from 'conn->host.name'.
+ * <port>     already known from 'conn->remote_port'.
+ * extract the rest from 'conn->data->state.path+1'. All fields are optional.
+ * e.g.
+ *   ldap://<hostname>:<port>/?<attributes>?<scope>?<filter>
+ * yields ludp->lud_dn = "".
+ *
+ * Defined in RFC4516 section 2.
+ */
+static int _ldap_url_parse2(const struct connectdata *conn, LDAPURLDesc *ludp)
+{
+  int rc = LDAP_SUCCESS;
+  char *path;
+  char *query;
+  char *p;
+  char *q;
+  size_t i;
+
+  if(!conn->data ||
+     !conn->data->state.up.path ||
+     conn->data->state.up.path[0] != '/' ||
+     !strncasecompare("LDAP", conn->data->state.up.scheme, 4))
+    return LDAP_INVALID_SYNTAX;
+
+  ludp->lud_scope = LDAP_SCOPE_BASE;
+  ludp->lud_port  = conn->remote_port;
+  ludp->lud_host  = conn->host.name;
+
+  /* Duplicate the path */
+  p = path = strdup(conn->data->state.up.path + 1);
+  if(!path)
+    return LDAP_NO_MEMORY;
+
+  /* Duplicate the query */
+  q = query = strdup(conn->data->state.up.query);
+  if(!query) {
+    free(path);
+    return LDAP_NO_MEMORY;
+  }
+
+  /* Parse the DN (Distinguished Name) */
+  if(*p) {
+    char *dn = p;
+    char *unescaped;
+    CURLcode result;
+
+    LDAP_TRACE(("DN '%s'\n", dn));
+
+    /* Unescape the DN */
+    result = Curl_urldecode(conn->data, dn, 0, &unescaped, NULL, FALSE);
+    if(result) {
+      rc = LDAP_NO_MEMORY;
+
+      goto quit;
+    }
+
+#if defined(USE_WIN32_LDAP)
+    /* Convert the unescaped string to a tchar */
+    ludp->lud_dn = Curl_convert_UTF8_to_tchar(unescaped);
+
+    /* Free the unescaped string as we are done with it */
+    Curl_unicodefree(unescaped);
+
+    if(!ludp->lud_dn) {
+      rc = LDAP_NO_MEMORY;
+
+      goto quit;
+    }
+#else
+    ludp->lud_dn = unescaped;
+#endif
+  }
+
+  p = q;
+  if(!p)
+    goto quit;
+
+  /* Parse the attributes. skip "??" */
+  q = strchr(p, '?');
+  if(q)
+    *q++ = '\0';
+
+  if(*p) {
+    char **attributes;
+    size_t count = 0;
+
+    /* Split the string into an array of attributes */
+    if(!split_str(p, &attributes, &count)) {
+      rc = LDAP_NO_MEMORY;
+
+      goto quit;
+    }
+
+    /* Allocate our array (+1 for the NULL entry) */
+#if defined(USE_WIN32_LDAP)
+    ludp->lud_attrs = calloc(count + 1, sizeof(TCHAR *));
+#else
+    ludp->lud_attrs = calloc(count + 1, sizeof(char *));
+#endif
+    if(!ludp->lud_attrs) {
+      free(attributes);
+
+      rc = LDAP_NO_MEMORY;
+
+      goto quit;
+    }
+
+    for(i = 0; i < count; i++) {
+      char *unescaped;
+      CURLcode result;
+
+      LDAP_TRACE(("attr[%d] '%s'\n", i, attributes[i]));
+
+      /* Unescape the attribute */
+      result = Curl_urldecode(conn->data, attributes[i], 0, &unescaped, NULL,
+                              FALSE);
+      if(result) {
+        free(attributes);
+
+        rc = LDAP_NO_MEMORY;
+
+        goto quit;
+      }
+
+#if defined(USE_WIN32_LDAP)
+      /* Convert the unescaped string to a tchar */
+      ludp->lud_attrs[i] = Curl_convert_UTF8_to_tchar(unescaped);
+
+      /* Free the unescaped string as we are done with it */
+      Curl_unicodefree(unescaped);
+
+      if(!ludp->lud_attrs[i]) {
+        free(attributes);
+
+        rc = LDAP_NO_MEMORY;
+
+        goto quit;
+      }
+#else
+      ludp->lud_attrs[i] = unescaped;
+#endif
+
+      ludp->lud_attrs_dups++;
+    }
+
+    free(attributes);
+  }
+
+  p = q;
+  if(!p)
+    goto quit;
+
+  /* Parse the scope. skip "??" */
+  q = strchr(p, '?');
+  if(q)
+    *q++ = '\0';
+
+  if(*p) {
+    ludp->lud_scope = str2scope(p);
+    if(ludp->lud_scope == -1) {
+      rc = LDAP_INVALID_SYNTAX;
+
+      goto quit;
+    }
+    LDAP_TRACE(("scope %d\n", ludp->lud_scope));
+  }
+
+  p = q;
+  if(!p)
+    goto quit;
+
+  /* Parse the filter */
+  q = strchr(p, '?');
+  if(q)
+    *q++ = '\0';
+
+  if(*p) {
+    char *filter = p;
+    char *unescaped;
+    CURLcode result;
+
+    LDAP_TRACE(("filter '%s'\n", filter));
+
+    /* Unescape the filter */
+    result = Curl_urldecode(conn->data, filter, 0, &unescaped, NULL, FALSE);
+    if(result) {
+      rc = LDAP_NO_MEMORY;
+
+      goto quit;
+    }
+
+#if defined(USE_WIN32_LDAP)
+    /* Convert the unescaped string to a tchar */
+    ludp->lud_filter = Curl_convert_UTF8_to_tchar(unescaped);
+
+    /* Free the unescaped string as we are done with it */
+    Curl_unicodefree(unescaped);
+
+    if(!ludp->lud_filter) {
+      rc = LDAP_NO_MEMORY;
+
+      goto quit;
+    }
+#else
+    ludp->lud_filter = unescaped;
+#endif
+  }
+
+  p = q;
+  if(p && !*p) {
+    rc = LDAP_INVALID_SYNTAX;
+
+    goto quit;
+  }
+
+quit:
+  free(path);
+  free(query);
+
+  return rc;
+}
+
+static int _ldap_url_parse(const struct connectdata *conn,
+                           LDAPURLDesc **ludpp)
+{
+  LDAPURLDesc *ludp = calloc(1, sizeof(*ludp));
+  int rc;
+
+  *ludpp = NULL;
+  if(!ludp)
+     return LDAP_NO_MEMORY;
+
+  rc = _ldap_url_parse2(conn, ludp);
+  if(rc != LDAP_SUCCESS) {
+    _ldap_free_urldesc(ludp);
+    ludp = NULL;
+  }
+  *ludpp = ludp;
+  return (rc);
+}
+
+static void _ldap_free_urldesc(LDAPURLDesc *ludp)
+{
+  size_t i;
+
+  if(!ludp)
+    return;
+
+  free(ludp->lud_dn);
+  free(ludp->lud_filter);
+
+  if(ludp->lud_attrs) {
+    for(i = 0; i < ludp->lud_attrs_dups; i++)
+      free(ludp->lud_attrs[i]);
+    free(ludp->lud_attrs);
+  }
+
+  free(ludp);
+}
+#endif  /* !HAVE_LDAP_URL_PARSE */
+#endif  /* !CURL_DISABLE_LDAP && !USE_OPENLDAP */
Index: trunk/src/libs/curl-7.64.0/lib/libcurl.plist
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/libcurl.plist	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/libcurl.plist	(revision 85671)
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist SYSTEM "file://localhost/System/Library/DTDs/PropertyList.dtd">
+<plist version="0.9">
+<dict>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+
+	<key>CFBundleExecutable</key>
+	<string>curl</string>
+
+	<key>CFBundleIdentifier</key>
+	<string>se.haxx.curl.libcurl</string>
+
+	<key>CFBundleVersion</key>
+	<string>7.64.0</string>
+
+	<key>CFBundleName</key>
+	<string>libcurl</string>
+
+	<key>CFBundlePackageType</key>
+	<string>FMWK</string>
+
+	<key>CFBundleSignature</key>
+	<string>????</string>
+
+	<key>CFBundleShortVersionString</key>
+	<string>libcurl 7.64.0</string>
+
+	<key>CFBundleGetInfoString</key>
+	<string>libcurl.plist 7.64.0</string>
+</dict>
+</plist>
Index: trunk/src/libs/curl-7.64.0/lib/libcurl.rc
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/libcurl.rc	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/libcurl.rc	(revision 85671)
@@ -0,0 +1,63 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include <winver.h>
+#include "../include/curl/curlver.h"
+
+LANGUAGE  0, 0
+
+#define RC_VERSION  LIBCURL_VERSION_MAJOR, LIBCURL_VERSION_MINOR, LIBCURL_VERSION_PATCH, 0
+
+VS_VERSION_INFO VERSIONINFO
+  FILEVERSION     RC_VERSION
+  PRODUCTVERSION  RC_VERSION
+  FILEFLAGSMASK   VS_FFI_FILEFLAGSMASK
+#if defined(DEBUGBUILD) || defined(_DEBUG)
+  FILEFLAGS VS_FF_DEBUG
+#else
+  FILEFLAGS 0L
+#endif
+  FILEOS      VOS__WINDOWS32
+  FILETYPE    VFT_DLL
+  FILESUBTYPE 0L
+
+BEGIN
+  BLOCK "StringFileInfo"
+  BEGIN
+    BLOCK "040904b0"
+    BEGIN
+      VALUE "CompanyName",      "The curl library, https://curl.haxx.se/\0"
+      VALUE "FileDescription",  "libcurl Shared Library\0"
+      VALUE "FileVersion",      LIBCURL_VERSION "\0"
+      VALUE "InternalName",     "libcurl\0"
+      VALUE "OriginalFilename", "libcurl.dll\0"
+      VALUE "ProductName",      "The curl library\0"
+      VALUE "ProductVersion",   LIBCURL_VERSION "\0"
+      VALUE "LegalCopyright",   "\xa9 " LIBCURL_COPYRIGHT "\0"  /* a9: Copyright symbol */
+      VALUE "License",          "https://curl.haxx.se/docs/copyright.html\0"
+    END
+  END
+
+  BLOCK "VarFileInfo"
+  BEGIN
+    VALUE "Translation", 0x409, 1200
+  END
+END
Index: trunk/src/libs/curl-7.64.0/lib/libcurl.vers.in
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/libcurl.vers.in	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/libcurl.vers.in	(revision 85671)
@@ -0,0 +1,13 @@
+HIDDEN
+{
+  local:
+    __*;
+    _rest*;
+    _save*;
+};
+
+CURL_@CURL_LT_SHLIB_VERSIONED_FLAVOUR@4
+{
+  global: curl_*;
+  local: *;
+};
Index: trunk/src/libs/curl-7.64.0/lib/llist.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/llist.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/llist.c	(revision 85671)
@@ -0,0 +1,197 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#include "llist.h"
+#include "curl_memory.h"
+
+/* this must be the last include file */
+#include "memdebug.h"
+
+/*
+ * @unittest: 1300
+ */
+void
+Curl_llist_init(struct curl_llist *l, curl_llist_dtor dtor)
+{
+  l->size = 0;
+  l->dtor = dtor;
+  l->head = NULL;
+  l->tail = NULL;
+}
+
+/*
+ * Curl_llist_insert_next()
+ *
+ * Inserts a new list element after the given one 'e'. If the given existing
+ * entry is NULL and the list already has elements, the new one will be
+ * inserted first in the list.
+ *
+ * The 'ne' argument should be a pointer into the object to store.
+ *
+ * @unittest: 1300
+ */
+void
+Curl_llist_insert_next(struct curl_llist *list, struct curl_llist_element *e,
+                       const void *p,
+                       struct curl_llist_element *ne)
+{
+  ne->ptr = (void *) p;
+  if(list->size == 0) {
+    list->head = ne;
+    list->head->prev = NULL;
+    list->head->next = NULL;
+    list->tail = ne;
+  }
+  else {
+    /* if 'e' is NULL here, we insert the new element first in the list */
+    ne->next = e?e->next:list->head;
+    ne->prev = e;
+    if(!e) {
+      list->head->prev = ne;
+      list->head = ne;
+    }
+    else if(e->next) {
+      e->next->prev = ne;
+    }
+    else {
+      list->tail = ne;
+    }
+    if(e)
+      e->next = ne;
+  }
+
+  ++list->size;
+}
+
+/*
+ * @unittest: 1300
+ */
+void
+Curl_llist_remove(struct curl_llist *list, struct curl_llist_element *e,
+                  void *user)
+{
+  void *ptr;
+  if(e == NULL || list->size == 0)
+    return;
+
+  if(e == list->head) {
+    list->head = e->next;
+
+    if(list->head == NULL)
+      list->tail = NULL;
+    else
+      e->next->prev = NULL;
+  }
+  else {
+    if(!e->prev)
+      list->head = e->next;
+    else
+      e->prev->next = e->next;
+
+    if(!e->next)
+      list->tail = e->prev;
+    else
+      e->next->prev = e->prev;
+  }
+
+  ptr = e->ptr;
+
+  e->ptr  = NULL;
+  e->prev = NULL;
+  e->next = NULL;
+
+  --list->size;
+
+  /* call the dtor() last for when it actually frees the 'e' memory itself */
+  if(list->dtor)
+    list->dtor(user, ptr);
+}
+
+void
+Curl_llist_destroy(struct curl_llist *list, void *user)
+{
+  if(list) {
+    while(list->size > 0)
+      Curl_llist_remove(list, list->tail, user);
+  }
+}
+
+size_t
+Curl_llist_count(struct curl_llist *list)
+{
+  return list->size;
+}
+
+/*
+ * @unittest: 1300
+ */
+void Curl_llist_move(struct curl_llist *list, struct curl_llist_element *e,
+                     struct curl_llist *to_list,
+                     struct curl_llist_element *to_e)
+{
+  /* Remove element from list */
+  if(e == NULL || list->size == 0)
+    return;
+
+  if(e == list->head) {
+    list->head = e->next;
+
+    if(list->head == NULL)
+      list->tail = NULL;
+    else
+      e->next->prev = NULL;
+  }
+  else {
+    e->prev->next = e->next;
+    if(!e->next)
+      list->tail = e->prev;
+    else
+      e->next->prev = e->prev;
+  }
+
+  --list->size;
+
+  /* Add element to to_list after to_e */
+  if(to_list->size == 0) {
+    to_list->head = e;
+    to_list->head->prev = NULL;
+    to_list->head->next = NULL;
+    to_list->tail = e;
+  }
+  else {
+    e->next = to_e->next;
+    e->prev = to_e;
+    if(to_e->next) {
+      to_e->next->prev = e;
+    }
+    else {
+      to_list->tail = e;
+    }
+    to_e->next = e;
+  }
+
+  ++to_list->size;
+}
Index: trunk/src/libs/curl-7.64.0/lib/llist.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/llist.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/llist.h	(revision 85671)
@@ -0,0 +1,53 @@
+#ifndef HEADER_CURL_LLIST_H
+#define HEADER_CURL_LLIST_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+#include <stddef.h>
+
+typedef void (*curl_llist_dtor)(void *, void *);
+
+struct curl_llist_element {
+  void *ptr;
+  struct curl_llist_element *prev;
+  struct curl_llist_element *next;
+};
+
+struct curl_llist {
+  struct curl_llist_element *head;
+  struct curl_llist_element *tail;
+  curl_llist_dtor dtor;
+  size_t size;
+};
+
+void Curl_llist_init(struct curl_llist *, curl_llist_dtor);
+void Curl_llist_insert_next(struct curl_llist *, struct curl_llist_element *,
+                            const void *, struct curl_llist_element *node);
+void Curl_llist_remove(struct curl_llist *, struct curl_llist_element *,
+                       void *);
+size_t Curl_llist_count(struct curl_llist *);
+void Curl_llist_destroy(struct curl_llist *, void *);
+void Curl_llist_move(struct curl_llist *, struct curl_llist_element *,
+                     struct curl_llist *, struct curl_llist_element *);
+
+#endif /* HEADER_CURL_LLIST_H */
Index: trunk/src/libs/curl-7.64.0/lib/makefile.amiga
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/makefile.amiga	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/makefile.amiga	(revision 85671)
@@ -0,0 +1,21 @@
+#
+# libcurl Makefile for AmigaOS ...
+#
+
+# change the follow to where you have the AmiTCP SDK v4.3 includes:
+
+ATCPSDKI= /GG/netinclude
+
+
+CC = m68k-amigaos-gcc
+CFLAGS = -I$(ATCPSDKI) -m68020-60 -O2 -msoft-float -noixemul -g -I. -I../include -W -Wall
+
+include Makefile.inc
+OBJS = $(CSOURCES:.c=.o)
+
+all: $(OBJS)
+	ar cru libcurl.a $(OBJS)
+	ranlib libcurl.a
+
+install:
+	$(INSTALL) -c ./libcurl.a /lib/libcurl.a
Index: trunk/src/libs/curl-7.64.0/lib/makefile.dj
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/makefile.dj	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/makefile.dj	(revision 85671)
@@ -0,0 +1,71 @@
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 2003 - 2008, Gisle Vanem <gvanem@yahoo.no>.
+# Copyright (C) 2003 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+#***************************************************************************
+
+#
+#  Adapted for djgpp2 / Watt-32 / DOS
+#
+
+DEPEND_PREREQ = curl_config.h
+VPATH  = vtls vauth
+TOPDIR = ..
+
+include ../packages/DOS/common.dj
+include Makefile.inc
+
+CFLAGS += -DBUILDING_LIBCURL
+
+SOURCES = $(sort $(CSOURCES))
+OBJECTS = $(addprefix $(OBJ_DIR)/, $(notdir $(SOURCES:.c=.o)))
+
+CURL_LIB = libcurl.a
+
+all: $(OBJ_DIR) curl_config.h $(CURL_LIB)
+
+$(CURL_LIB): $(OBJECTS)
+	ar rs $@ $?
+
+curl_config.h: config-dos.h
+	$(COPY) $^ $@
+
+# clean generated files
+#
+genclean:
+	- $(DELETE) curl_config.h
+
+# clean object files and subdir
+#
+objclean: genclean
+	- $(DELETE) $(OBJ_DIR)$(DS)*.o
+	- $(RMDIR) $(OBJ_DIR)
+
+# clean without removing built library
+#
+clean: objclean
+	- $(DELETE) depend.dj
+
+# clean everything
+#
+realclean vclean: clean
+	- $(DELETE) $(CURL_LIB)
+
+-include depend.dj
Index: trunk/src/libs/curl-7.64.0/lib/md4.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/md4.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/md4.c	(revision 85671)
@@ -0,0 +1,308 @@
+/*
+ * !checksrc! disable COPYRIGHT
+ * This is an OpenSSL-compatible implementation of the RSA Data Security, Inc.
+ * MD4 Message-Digest Algorithm (RFC 1320).
+ *
+ * Homepage:
+ https://openwall.info/wiki/people/solar/software/public-domain-source-code/md4
+ *
+ * Author:
+ * Alexander Peslyak, better known as Solar Designer <solar at openwall.com>
+ *
+ * This software was written by Alexander Peslyak in 2001.  No copyright is
+ * claimed, and the software is hereby placed in the public domain.  In case
+ * this attempt to disclaim copyright and place the software in the public
+ * domain is deemed null and void, then the software is Copyright (c) 2001
+ * Alexander Peslyak and it is hereby released to the general public under the
+ * following terms:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted.
+ *
+ * There's ABSOLUTELY NO WARRANTY, express or implied.
+ *
+ * (This is a heavily cut-down "BSD license".)
+ *
+ * This differs from Colin Plumb's older public domain implementation in that
+ * no exactly 32-bit integer data type is required (any 32-bit or wider
+ * unsigned integer data type will do), there's no compile-time endianness
+ * configuration, and the function prototypes match OpenSSL's.  No code from
+ * Colin Plumb's implementation has been reused; this comment merely compares
+ * the properties of the two independent implementations.
+ *
+ * The primary goals of this implementation are portability and ease of use.
+ * It is meant to be fast, but not as fast as possible.  Some known
+ * optimizations are not included to reduce source code size and avoid
+ * compile-time configuration.
+ */
+
+#include "curl_setup.h"
+
+/* The NSS, OS/400 and sometimes mbed TLS crypto libraries do not provide the
+ * MD4 hash algorithm, so we have a local implementation of it */
+#if defined(USE_NSS) || defined(USE_OS400CRYPTO) || \
+    (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C))
+
+#include "curl_md4.h"
+#include "warnless.h"
+
+#ifndef HAVE_OPENSSL
+
+#include <string.h>
+
+/* Any 32-bit or wider unsigned integer data type will do */
+typedef unsigned int MD4_u32plus;
+
+typedef struct {
+  MD4_u32plus lo, hi;
+  MD4_u32plus a, b, c, d;
+  unsigned char buffer[64];
+  MD4_u32plus block[16];
+} MD4_CTX;
+
+static void MD4_Init(MD4_CTX *ctx);
+static void MD4_Update(MD4_CTX *ctx, const void *data, unsigned long size);
+static void MD4_Final(unsigned char *result, MD4_CTX *ctx);
+
+/*
+ * The basic MD4 functions.
+ *
+ * F and G are optimized compared to their RFC 1320 definitions, with the
+ * optimization for F borrowed from Colin Plumb's MD5 implementation.
+ */
+#define F(x, y, z)                      ((z) ^ ((x) & ((y) ^ (z))))
+#define G(x, y, z)                      (((x) & ((y) | (z))) | ((y) & (z)))
+#define H(x, y, z)                      ((x) ^ (y) ^ (z))
+
+/*
+ * The MD4 transformation for all three rounds.
+ */
+#define STEP(f, a, b, c, d, x, s) \
+        (a) += f((b), (c), (d)) + (x); \
+        (a) = (((a) << (s)) | (((a) & 0xffffffff) >> (32 - (s))));
+
+/*
+ * SET reads 4 input bytes in little-endian byte order and stores them
+ * in a properly aligned word in host byte order.
+ *
+ * The check for little-endian architectures that tolerate unaligned
+ * memory accesses is just an optimization.  Nothing will break if it
+ * doesn't work.
+ */
+#if defined(__i386__) || defined(__x86_64__) || defined(__vax__)
+#define SET(n) \
+        (*(MD4_u32plus *)(void *)&ptr[(n) * 4])
+#define GET(n) \
+        SET(n)
+#else
+#define SET(n) \
+        (ctx->block[(n)] = \
+        (MD4_u32plus)ptr[(n) * 4] | \
+        ((MD4_u32plus)ptr[(n) * 4 + 1] << 8) | \
+        ((MD4_u32plus)ptr[(n) * 4 + 2] << 16) | \
+        ((MD4_u32plus)ptr[(n) * 4 + 3] << 24))
+#define GET(n) \
+        (ctx->block[(n)])
+#endif
+
+/*
+ * This processes one or more 64-byte data blocks, but does NOT update
+ * the bit counters.  There are no alignment requirements.
+ */
+static const void *body(MD4_CTX *ctx, const void *data, unsigned long size)
+{
+  const unsigned char *ptr;
+  MD4_u32plus a, b, c, d;
+  MD4_u32plus saved_a, saved_b, saved_c, saved_d;
+
+  ptr = (const unsigned char *)data;
+
+  a = ctx->a;
+  b = ctx->b;
+  c = ctx->c;
+  d = ctx->d;
+
+  do {
+    saved_a = a;
+    saved_b = b;
+    saved_c = c;
+    saved_d = d;
+
+/* Round 1 */
+    STEP(F, a, b, c, d, SET(0), 3)
+      STEP(F, d, a, b, c, SET(1), 7)
+      STEP(F, c, d, a, b, SET(2), 11)
+      STEP(F, b, c, d, a, SET(3), 19)
+      STEP(F, a, b, c, d, SET(4), 3)
+      STEP(F, d, a, b, c, SET(5), 7)
+      STEP(F, c, d, a, b, SET(6), 11)
+      STEP(F, b, c, d, a, SET(7), 19)
+      STEP(F, a, b, c, d, SET(8), 3)
+      STEP(F, d, a, b, c, SET(9), 7)
+      STEP(F, c, d, a, b, SET(10), 11)
+      STEP(F, b, c, d, a, SET(11), 19)
+      STEP(F, a, b, c, d, SET(12), 3)
+      STEP(F, d, a, b, c, SET(13), 7)
+      STEP(F, c, d, a, b, SET(14), 11)
+      STEP(F, b, c, d, a, SET(15), 19)
+
+/* Round 2 */
+      STEP(G, a, b, c, d, GET(0) + 0x5a827999, 3)
+      STEP(G, d, a, b, c, GET(4) + 0x5a827999, 5)
+      STEP(G, c, d, a, b, GET(8) + 0x5a827999, 9)
+      STEP(G, b, c, d, a, GET(12) + 0x5a827999, 13)
+      STEP(G, a, b, c, d, GET(1) + 0x5a827999, 3)
+      STEP(G, d, a, b, c, GET(5) + 0x5a827999, 5)
+      STEP(G, c, d, a, b, GET(9) + 0x5a827999, 9)
+      STEP(G, b, c, d, a, GET(13) + 0x5a827999, 13)
+      STEP(G, a, b, c, d, GET(2) + 0x5a827999, 3)
+      STEP(G, d, a, b, c, GET(6) + 0x5a827999, 5)
+      STEP(G, c, d, a, b, GET(10) + 0x5a827999, 9)
+      STEP(G, b, c, d, a, GET(14) + 0x5a827999, 13)
+      STEP(G, a, b, c, d, GET(3) + 0x5a827999, 3)
+      STEP(G, d, a, b, c, GET(7) + 0x5a827999, 5)
+      STEP(G, c, d, a, b, GET(11) + 0x5a827999, 9)
+      STEP(G, b, c, d, a, GET(15) + 0x5a827999, 13)
+
+/* Round 3 */
+      STEP(H, a, b, c, d, GET(0) + 0x6ed9eba1, 3)
+      STEP(H, d, a, b, c, GET(8) + 0x6ed9eba1, 9)
+      STEP(H, c, d, a, b, GET(4) + 0x6ed9eba1, 11)
+      STEP(H, b, c, d, a, GET(12) + 0x6ed9eba1, 15)
+      STEP(H, a, b, c, d, GET(2) + 0x6ed9eba1, 3)
+      STEP(H, d, a, b, c, GET(10) + 0x6ed9eba1, 9)
+      STEP(H, c, d, a, b, GET(6) + 0x6ed9eba1, 11)
+      STEP(H, b, c, d, a, GET(14) + 0x6ed9eba1, 15)
+      STEP(H, a, b, c, d, GET(1) + 0x6ed9eba1, 3)
+      STEP(H, d, a, b, c, GET(9) + 0x6ed9eba1, 9)
+      STEP(H, c, d, a, b, GET(5) + 0x6ed9eba1, 11)
+      STEP(H, b, c, d, a, GET(13) + 0x6ed9eba1, 15)
+      STEP(H, a, b, c, d, GET(3) + 0x6ed9eba1, 3)
+      STEP(H, d, a, b, c, GET(11) + 0x6ed9eba1, 9)
+      STEP(H, c, d, a, b, GET(7) + 0x6ed9eba1, 11)
+      STEP(H, b, c, d, a, GET(15) + 0x6ed9eba1, 15)
+
+      a += saved_a;
+    b += saved_b;
+    c += saved_c;
+    d += saved_d;
+
+    ptr += 64;
+  } while(size -= 64);
+
+  ctx->a = a;
+  ctx->b = b;
+  ctx->c = c;
+  ctx->d = d;
+
+  return ptr;
+}
+
+static void MD4_Init(MD4_CTX *ctx)
+{
+  ctx->a = 0x67452301;
+  ctx->b = 0xefcdab89;
+  ctx->c = 0x98badcfe;
+  ctx->d = 0x10325476;
+
+  ctx->lo = 0;
+  ctx->hi = 0;
+}
+
+static void MD4_Update(MD4_CTX *ctx, const void *data, unsigned long size)
+{
+  MD4_u32plus saved_lo;
+  unsigned long used, available;
+
+  saved_lo = ctx->lo;
+  ctx->lo = (saved_lo + size) & 0x1fffffff;
+  if(ctx->lo < saved_lo)
+    ctx->hi++;
+  ctx->hi += (MD4_u32plus)size >> 29;
+
+  used = saved_lo & 0x3f;
+
+  if(used) {
+    available = 64 - used;
+
+    if(size < available) {
+      memcpy(&ctx->buffer[used], data, size);
+      return;
+    }
+
+    memcpy(&ctx->buffer[used], data, available);
+    data = (const unsigned char *)data + available;
+    size -= available;
+    body(ctx, ctx->buffer, 64);
+  }
+
+  if(size >= 64) {
+    data = body(ctx, data, size & ~(unsigned long)0x3f);
+    size &= 0x3f;
+  }
+
+  memcpy(ctx->buffer, data, size);
+}
+
+static void MD4_Final(unsigned char *result, MD4_CTX *ctx)
+{
+  unsigned long used, available;
+
+  used = ctx->lo & 0x3f;
+
+  ctx->buffer[used++] = 0x80;
+
+  available = 64 - used;
+
+  if(available < 8) {
+    memset(&ctx->buffer[used], 0, available);
+    body(ctx, ctx->buffer, 64);
+    used = 0;
+    available = 64;
+  }
+
+  memset(&ctx->buffer[used], 0, available - 8);
+
+  ctx->lo <<= 3;
+  ctx->buffer[56] = curlx_ultouc((ctx->lo)&0xff);
+  ctx->buffer[57] = curlx_ultouc((ctx->lo >> 8)&0xff);
+  ctx->buffer[58] = curlx_ultouc((ctx->lo >> 16)&0xff);
+  ctx->buffer[59] = curlx_ultouc((ctx->lo >> 24)&0xff);
+  ctx->buffer[60] = curlx_ultouc((ctx->hi)&0xff);
+  ctx->buffer[61] = curlx_ultouc((ctx->hi >> 8)&0xff);
+  ctx->buffer[62] = curlx_ultouc((ctx->hi >> 16)&0xff);
+  ctx->buffer[63] = curlx_ultouc(ctx->hi >> 24);
+
+  body(ctx, ctx->buffer, 64);
+
+  result[0] = curlx_ultouc((ctx->a)&0xff);
+  result[1] = curlx_ultouc((ctx->a >> 8)&0xff);
+  result[2] = curlx_ultouc((ctx->a >> 16)&0xff);
+  result[3] = curlx_ultouc(ctx->a >> 24);
+  result[4] = curlx_ultouc((ctx->b)&0xff);
+  result[5] = curlx_ultouc((ctx->b >> 8)&0xff);
+  result[6] = curlx_ultouc((ctx->b >> 16)&0xff);
+  result[7] = curlx_ultouc(ctx->b >> 24);
+  result[8] = curlx_ultouc((ctx->c)&0xff);
+  result[9] = curlx_ultouc((ctx->c >> 8)&0xff);
+  result[10] = curlx_ultouc((ctx->c >> 16)&0xff);
+  result[11] = curlx_ultouc(ctx->c >> 24);
+  result[12] = curlx_ultouc((ctx->d)&0xff);
+  result[13] = curlx_ultouc((ctx->d >> 8)&0xff);
+  result[14] = curlx_ultouc((ctx->d >> 16)&0xff);
+  result[15] = curlx_ultouc(ctx->d >> 24);
+
+  memset(ctx, 0, sizeof(*ctx));
+}
+
+#endif
+
+void Curl_md4it(unsigned char *output, const unsigned char *input, size_t len)
+{
+  MD4_CTX ctx;
+  MD4_Init(&ctx);
+  MD4_Update(&ctx, input, curlx_uztoui(len));
+  MD4_Final(output, &ctx);
+}
+#endif /* defined(USE_NSS) || defined(USE_OS400CRYPTO) ||
+    (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C)) */
Index: trunk/src/libs/curl-7.64.0/lib/md5.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/md5.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/md5.c	(revision 85671)
@@ -0,0 +1,567 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+
+#include <curl/curl.h>
+
+#include "curl_md5.h"
+#include "curl_hmac.h"
+#include "warnless.h"
+
+#if defined(USE_GNUTLS_NETTLE)
+
+#include <nettle/md5.h>
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef struct md5_ctx MD5_CTX;
+
+static void MD5_Init(MD5_CTX * ctx)
+{
+  md5_init(ctx);
+}
+
+static void MD5_Update(MD5_CTX * ctx,
+                       const unsigned char *input,
+                       unsigned int inputLen)
+{
+  md5_update(ctx, inputLen, input);
+}
+
+static void MD5_Final(unsigned char digest[16], MD5_CTX * ctx)
+{
+  md5_digest(ctx, 16, digest);
+}
+
+#elif defined(USE_GNUTLS)
+
+#include <gcrypt.h>
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef gcry_md_hd_t MD5_CTX;
+
+static void MD5_Init(MD5_CTX * ctx)
+{
+  gcry_md_open(ctx, GCRY_MD_MD5, 0);
+}
+
+static void MD5_Update(MD5_CTX * ctx,
+                       const unsigned char *input,
+                       unsigned int inputLen)
+{
+  gcry_md_write(*ctx, input, inputLen);
+}
+
+static void MD5_Final(unsigned char digest[16], MD5_CTX * ctx)
+{
+  memcpy(digest, gcry_md_read(*ctx, 0), 16);
+  gcry_md_close(*ctx);
+}
+
+#elif defined(USE_OPENSSL)
+/* When OpenSSL is available we use the MD5-function from OpenSSL */
+#include <openssl/md5.h>
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+#elif (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && \
+              (__MAC_OS_X_VERSION_MAX_ALLOWED >= 1040)) || \
+      (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && \
+              (__IPHONE_OS_VERSION_MAX_ALLOWED >= 20000))
+
+/* For Apple operating systems: CommonCrypto has the functions we need.
+   These functions are available on Tiger and later, as well as iOS 2.0
+   and later. If you're building for an older cat, well, sorry.
+
+   Declaring the functions as static like this seems to be a bit more
+   reliable than defining COMMON_DIGEST_FOR_OPENSSL on older cats. */
+#  include <CommonCrypto/CommonDigest.h>
+#  define MD5_CTX CC_MD5_CTX
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+static void MD5_Init(MD5_CTX *ctx)
+{
+  CC_MD5_Init(ctx);
+}
+
+static void MD5_Update(MD5_CTX *ctx,
+                       const unsigned char *input,
+                       unsigned int inputLen)
+{
+  CC_MD5_Update(ctx, input, inputLen);
+}
+
+static void MD5_Final(unsigned char digest[16], MD5_CTX *ctx)
+{
+  CC_MD5_Final(digest, ctx);
+}
+
+#elif defined(_WIN32) && !defined(CURL_WINDOWS_APP)
+
+#include <wincrypt.h>
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef struct {
+  HCRYPTPROV hCryptProv;
+  HCRYPTHASH hHash;
+} MD5_CTX;
+
+static void MD5_Init(MD5_CTX *ctx)
+{
+  if(CryptAcquireContext(&ctx->hCryptProv, NULL, NULL,
+                         PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) {
+    CryptCreateHash(ctx->hCryptProv, CALG_MD5, 0, 0, &ctx->hHash);
+  }
+}
+
+static void MD5_Update(MD5_CTX *ctx,
+                       const unsigned char *input,
+                       unsigned int inputLen)
+{
+  CryptHashData(ctx->hHash, (unsigned char *)input, inputLen, 0);
+}
+
+static void MD5_Final(unsigned char digest[16], MD5_CTX *ctx)
+{
+  unsigned long length = 0;
+  CryptGetHashParam(ctx->hHash, HP_HASHVAL, NULL, &length, 0);
+  if(length == 16)
+    CryptGetHashParam(ctx->hHash, HP_HASHVAL, digest, &length, 0);
+  if(ctx->hHash)
+    CryptDestroyHash(ctx->hHash);
+  if(ctx->hCryptProv)
+    CryptReleaseContext(ctx->hCryptProv, 0);
+}
+
+#else
+/* When no other crypto library is available we use this code segment */
+/*
+ * This is an OpenSSL-compatible implementation of the RSA Data Security, Inc.
+ * MD5 Message-Digest Algorithm (RFC 1321).
+ *
+ * Homepage:
+ https://openwall.info/wiki/people/solar/software/public-domain-source-code/md5
+ *
+ * Author:
+ * Alexander Peslyak, better known as Solar Designer <solar at openwall.com>
+ *
+ * This software was written by Alexander Peslyak in 2001.  No copyright is
+ * claimed, and the software is hereby placed in the public domain.
+ * In case this attempt to disclaim copyright and place the software in the
+ * public domain is deemed null and void, then the software is
+ * Copyright (c) 2001 Alexander Peslyak and it is hereby released to the
+ * general public under the following terms:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted.
+ *
+ * There's ABSOLUTELY NO WARRANTY, express or implied.
+ *
+ * (This is a heavily cut-down "BSD license".)
+ *
+ * This differs from Colin Plumb's older public domain implementation in that
+ * no exactly 32-bit integer data type is required (any 32-bit or wider
+ * unsigned integer data type will do), there's no compile-time endianness
+ * configuration, and the function prototypes match OpenSSL's.  No code from
+ * Colin Plumb's implementation has been reused; this comment merely compares
+ * the properties of the two independent implementations.
+ *
+ * The primary goals of this implementation are portability and ease of use.
+ * It is meant to be fast, but not as fast as possible.  Some known
+ * optimizations are not included to reduce source code size and avoid
+ * compile-time configuration.
+ */
+
+#include <string.h>
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* Any 32-bit or wider unsigned integer data type will do */
+typedef unsigned int MD5_u32plus;
+
+typedef struct {
+  MD5_u32plus lo, hi;
+  MD5_u32plus a, b, c, d;
+  unsigned char buffer[64];
+  MD5_u32plus block[16];
+} MD5_CTX;
+
+static void MD5_Init(MD5_CTX *ctx);
+static void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size);
+static void MD5_Final(unsigned char *result, MD5_CTX *ctx);
+
+/*
+ * The basic MD5 functions.
+ *
+ * F and G are optimized compared to their RFC 1321 definitions for
+ * architectures that lack an AND-NOT instruction, just like in Colin Plumb's
+ * implementation.
+ */
+#define F(x, y, z)                      ((z) ^ ((x) & ((y) ^ (z))))
+#define G(x, y, z)                      ((y) ^ ((z) & ((x) ^ (y))))
+#define H(x, y, z)                      (((x) ^ (y)) ^ (z))
+#define H2(x, y, z)                     ((x) ^ ((y) ^ (z)))
+#define I(x, y, z)                      ((y) ^ ((x) | ~(z)))
+
+/*
+ * The MD5 transformation for all four rounds.
+ */
+#define STEP(f, a, b, c, d, x, t, s) \
+        (a) += f((b), (c), (d)) + (x) + (t); \
+        (a) = (((a) << (s)) | (((a) & 0xffffffff) >> (32 - (s)))); \
+        (a) += (b);
+
+/*
+ * SET reads 4 input bytes in little-endian byte order and stores them
+ * in a properly aligned word in host byte order.
+ *
+ * The check for little-endian architectures that tolerate unaligned
+ * memory accesses is just an optimization.  Nothing will break if it
+ * doesn't work.
+ */
+#if defined(__i386__) || defined(__x86_64__) || defined(__vax__)
+#define SET(n) \
+        (*(MD5_u32plus *)(void *)&ptr[(n) * 4])
+#define GET(n) \
+        SET(n)
+#else
+#define SET(n) \
+        (ctx->block[(n)] = \
+        (MD5_u32plus)ptr[(n) * 4] | \
+        ((MD5_u32plus)ptr[(n) * 4 + 1] << 8) | \
+        ((MD5_u32plus)ptr[(n) * 4 + 2] << 16) | \
+        ((MD5_u32plus)ptr[(n) * 4 + 3] << 24))
+#define GET(n) \
+        (ctx->block[(n)])
+#endif
+
+/*
+ * This processes one or more 64-byte data blocks, but does NOT update
+ * the bit counters.  There are no alignment requirements.
+ */
+static const void *body(MD5_CTX *ctx, const void *data, unsigned long size)
+{
+  const unsigned char *ptr;
+  MD5_u32plus a, b, c, d;
+  MD5_u32plus saved_a, saved_b, saved_c, saved_d;
+
+  ptr = (const unsigned char *)data;
+
+  a = ctx->a;
+  b = ctx->b;
+  c = ctx->c;
+  d = ctx->d;
+
+  do {
+    saved_a = a;
+    saved_b = b;
+    saved_c = c;
+    saved_d = d;
+
+/* Round 1 */
+    STEP(F, a, b, c, d, SET(0), 0xd76aa478, 7)
+      STEP(F, d, a, b, c, SET(1), 0xe8c7b756, 12)
+      STEP(F, c, d, a, b, SET(2), 0x242070db, 17)
+      STEP(F, b, c, d, a, SET(3), 0xc1bdceee, 22)
+      STEP(F, a, b, c, d, SET(4), 0xf57c0faf, 7)
+      STEP(F, d, a, b, c, SET(5), 0x4787c62a, 12)
+      STEP(F, c, d, a, b, SET(6), 0xa8304613, 17)
+      STEP(F, b, c, d, a, SET(7), 0xfd469501, 22)
+      STEP(F, a, b, c, d, SET(8), 0x698098d8, 7)
+      STEP(F, d, a, b, c, SET(9), 0x8b44f7af, 12)
+      STEP(F, c, d, a, b, SET(10), 0xffff5bb1, 17)
+      STEP(F, b, c, d, a, SET(11), 0x895cd7be, 22)
+      STEP(F, a, b, c, d, SET(12), 0x6b901122, 7)
+      STEP(F, d, a, b, c, SET(13), 0xfd987193, 12)
+      STEP(F, c, d, a, b, SET(14), 0xa679438e, 17)
+      STEP(F, b, c, d, a, SET(15), 0x49b40821, 22)
+
+/* Round 2 */
+      STEP(G, a, b, c, d, GET(1), 0xf61e2562, 5)
+      STEP(G, d, a, b, c, GET(6), 0xc040b340, 9)
+      STEP(G, c, d, a, b, GET(11), 0x265e5a51, 14)
+      STEP(G, b, c, d, a, GET(0), 0xe9b6c7aa, 20)
+      STEP(G, a, b, c, d, GET(5), 0xd62f105d, 5)
+      STEP(G, d, a, b, c, GET(10), 0x02441453, 9)
+      STEP(G, c, d, a, b, GET(15), 0xd8a1e681, 14)
+      STEP(G, b, c, d, a, GET(4), 0xe7d3fbc8, 20)
+      STEP(G, a, b, c, d, GET(9), 0x21e1cde6, 5)
+      STEP(G, d, a, b, c, GET(14), 0xc33707d6, 9)
+      STEP(G, c, d, a, b, GET(3), 0xf4d50d87, 14)
+      STEP(G, b, c, d, a, GET(8), 0x455a14ed, 20)
+      STEP(G, a, b, c, d, GET(13), 0xa9e3e905, 5)
+      STEP(G, d, a, b, c, GET(2), 0xfcefa3f8, 9)
+      STEP(G, c, d, a, b, GET(7), 0x676f02d9, 14)
+      STEP(G, b, c, d, a, GET(12), 0x8d2a4c8a, 20)
+
+/* Round 3 */
+      STEP(H, a, b, c, d, GET(5), 0xfffa3942, 4)
+      STEP(H2, d, a, b, c, GET(8), 0x8771f681, 11)
+      STEP(H, c, d, a, b, GET(11), 0x6d9d6122, 16)
+      STEP(H2, b, c, d, a, GET(14), 0xfde5380c, 23)
+      STEP(H, a, b, c, d, GET(1), 0xa4beea44, 4)
+      STEP(H2, d, a, b, c, GET(4), 0x4bdecfa9, 11)
+      STEP(H, c, d, a, b, GET(7), 0xf6bb4b60, 16)
+      STEP(H2, b, c, d, a, GET(10), 0xbebfbc70, 23)
+      STEP(H, a, b, c, d, GET(13), 0x289b7ec6, 4)
+      STEP(H2, d, a, b, c, GET(0), 0xeaa127fa, 11)
+      STEP(H, c, d, a, b, GET(3), 0xd4ef3085, 16)
+      STEP(H2, b, c, d, a, GET(6), 0x04881d05, 23)
+      STEP(H, a, b, c, d, GET(9), 0xd9d4d039, 4)
+      STEP(H2, d, a, b, c, GET(12), 0xe6db99e5, 11)
+      STEP(H, c, d, a, b, GET(15), 0x1fa27cf8, 16)
+      STEP(H2, b, c, d, a, GET(2), 0xc4ac5665, 23)
+
+/* Round 4 */
+      STEP(I, a, b, c, d, GET(0), 0xf4292244, 6)
+      STEP(I, d, a, b, c, GET(7), 0x432aff97, 10)
+      STEP(I, c, d, a, b, GET(14), 0xab9423a7, 15)
+      STEP(I, b, c, d, a, GET(5), 0xfc93a039, 21)
+      STEP(I, a, b, c, d, GET(12), 0x655b59c3, 6)
+      STEP(I, d, a, b, c, GET(3), 0x8f0ccc92, 10)
+      STEP(I, c, d, a, b, GET(10), 0xffeff47d, 15)
+      STEP(I, b, c, d, a, GET(1), 0x85845dd1, 21)
+      STEP(I, a, b, c, d, GET(8), 0x6fa87e4f, 6)
+      STEP(I, d, a, b, c, GET(15), 0xfe2ce6e0, 10)
+      STEP(I, c, d, a, b, GET(6), 0xa3014314, 15)
+      STEP(I, b, c, d, a, GET(13), 0x4e0811a1, 21)
+      STEP(I, a, b, c, d, GET(4), 0xf7537e82, 6)
+      STEP(I, d, a, b, c, GET(11), 0xbd3af235, 10)
+      STEP(I, c, d, a, b, GET(2), 0x2ad7d2bb, 15)
+      STEP(I, b, c, d, a, GET(9), 0xeb86d391, 21)
+
+      a += saved_a;
+    b += saved_b;
+    c += saved_c;
+    d += saved_d;
+
+    ptr += 64;
+  } while(size -= 64);
+
+  ctx->a = a;
+  ctx->b = b;
+  ctx->c = c;
+  ctx->d = d;
+
+  return ptr;
+}
+
+static void MD5_Init(MD5_CTX *ctx)
+{
+  ctx->a = 0x67452301;
+  ctx->b = 0xefcdab89;
+  ctx->c = 0x98badcfe;
+  ctx->d = 0x10325476;
+
+  ctx->lo = 0;
+  ctx->hi = 0;
+}
+
+static void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size)
+{
+  MD5_u32plus saved_lo;
+  unsigned long used, available;
+
+  saved_lo = ctx->lo;
+  ctx->lo = (saved_lo + size) & 0x1fffffff;
+  if(ctx->lo < saved_lo)
+    ctx->hi++;
+  ctx->hi += (MD5_u32plus)size >> 29;
+
+  used = saved_lo & 0x3f;
+
+  if(used) {
+    available = 64 - used;
+
+    if(size < available) {
+      memcpy(&ctx->buffer[used], data, size);
+      return;
+    }
+
+    memcpy(&ctx->buffer[used], data, available);
+    data = (const unsigned char *)data + available;
+    size -= available;
+    body(ctx, ctx->buffer, 64);
+  }
+
+  if(size >= 64) {
+    data = body(ctx, data, size & ~(unsigned long)0x3f);
+    size &= 0x3f;
+  }
+
+  memcpy(ctx->buffer, data, size);
+}
+
+static void MD5_Final(unsigned char *result, MD5_CTX *ctx)
+{
+  unsigned long used, available;
+
+  used = ctx->lo & 0x3f;
+
+  ctx->buffer[used++] = 0x80;
+
+  available = 64 - used;
+
+  if(available < 8) {
+    memset(&ctx->buffer[used], 0, available);
+    body(ctx, ctx->buffer, 64);
+    used = 0;
+    available = 64;
+  }
+
+  memset(&ctx->buffer[used], 0, available - 8);
+
+  ctx->lo <<= 3;
+  ctx->buffer[56] = curlx_ultouc((ctx->lo)&0xff);
+  ctx->buffer[57] = curlx_ultouc((ctx->lo >> 8)&0xff);
+  ctx->buffer[58] = curlx_ultouc((ctx->lo >> 16)&0xff);
+  ctx->buffer[59] = curlx_ultouc(ctx->lo >> 24);
+  ctx->buffer[60] = curlx_ultouc((ctx->hi)&0xff);
+  ctx->buffer[61] = curlx_ultouc((ctx->hi >> 8)&0xff);
+  ctx->buffer[62] = curlx_ultouc((ctx->hi >> 16)&0xff);
+  ctx->buffer[63] = curlx_ultouc(ctx->hi >> 24);
+
+  body(ctx, ctx->buffer, 64);
+
+  result[0] = curlx_ultouc((ctx->a)&0xff);
+  result[1] = curlx_ultouc((ctx->a >> 8)&0xff);
+  result[2] = curlx_ultouc((ctx->a >> 16)&0xff);
+  result[3] = curlx_ultouc(ctx->a >> 24);
+  result[4] = curlx_ultouc((ctx->b)&0xff);
+  result[5] = curlx_ultouc((ctx->b >> 8)&0xff);
+  result[6] = curlx_ultouc((ctx->b >> 16)&0xff);
+  result[7] = curlx_ultouc(ctx->b >> 24);
+  result[8] = curlx_ultouc((ctx->c)&0xff);
+  result[9] = curlx_ultouc((ctx->c >> 8)&0xff);
+  result[10] = curlx_ultouc((ctx->c >> 16)&0xff);
+  result[11] = curlx_ultouc(ctx->c >> 24);
+  result[12] = curlx_ultouc((ctx->d)&0xff);
+  result[13] = curlx_ultouc((ctx->d >> 8)&0xff);
+  result[14] = curlx_ultouc((ctx->d >> 16)&0xff);
+  result[15] = curlx_ultouc(ctx->d >> 24);
+
+  memset(ctx, 0, sizeof(*ctx));
+}
+
+#endif /* CRYPTO LIBS */
+
+const HMAC_params Curl_HMAC_MD5[] = {
+  {
+    /* Hash initialization function. */
+    CURLX_FUNCTION_CAST(HMAC_hinit_func, MD5_Init),
+    /* Hash update function. */
+    CURLX_FUNCTION_CAST(HMAC_hupdate_func, MD5_Update),
+    /* Hash computation end function. */
+    CURLX_FUNCTION_CAST(HMAC_hfinal_func, MD5_Final),
+    /* Size of hash context structure. */
+    sizeof(MD5_CTX),
+    /* Maximum key length. */
+    64,
+    /* Result size. */
+    16
+  }
+};
+
+const MD5_params Curl_DIGEST_MD5[] = {
+  {
+    /* Digest initialization function */
+    CURLX_FUNCTION_CAST(Curl_MD5_init_func, MD5_Init),
+    /* Digest update function */
+    CURLX_FUNCTION_CAST(Curl_MD5_update_func, MD5_Update),
+    /* Digest computation end function */
+    CURLX_FUNCTION_CAST(Curl_MD5_final_func, MD5_Final),
+    /* Size of digest context struct */
+    sizeof(MD5_CTX),
+    /* Result size */
+    16
+  }
+};
+
+/*
+ * @unittest: 1601
+ */
+void Curl_md5it(unsigned char *outbuffer, /* 16 bytes */
+                const unsigned char *input)
+{
+  MD5_CTX ctx;
+  MD5_Init(&ctx);
+  MD5_Update(&ctx, input, curlx_uztoui(strlen((char *)input)));
+  MD5_Final(outbuffer, &ctx);
+}
+
+MD5_context *Curl_MD5_init(const MD5_params *md5params)
+{
+  MD5_context *ctxt;
+
+  /* Create MD5 context */
+  ctxt = malloc(sizeof(*ctxt));
+
+  if(!ctxt)
+    return ctxt;
+
+  ctxt->md5_hashctx = malloc(md5params->md5_ctxtsize);
+
+  if(!ctxt->md5_hashctx) {
+    free(ctxt);
+    return NULL;
+  }
+
+  ctxt->md5_hash = md5params;
+
+  (*md5params->md5_init_func)(ctxt->md5_hashctx);
+
+  return ctxt;
+}
+
+int Curl_MD5_update(MD5_context *context,
+                    const unsigned char *data,
+                    unsigned int len)
+{
+  (*context->md5_hash->md5_update_func)(context->md5_hashctx, data, len);
+
+  return 0;
+}
+
+int Curl_MD5_final(MD5_context *context, unsigned char *result)
+{
+  (*context->md5_hash->md5_final_func)(result, context->md5_hashctx);
+
+  free(context->md5_hashctx);
+  free(context);
+
+  return 0;
+}
+
+#endif /* CURL_DISABLE_CRYPTO_AUTH */
Index: trunk/src/libs/curl-7.64.0/lib/memdebug.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/memdebug.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/memdebug.c	(revision 85671)
@@ -0,0 +1,519 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef CURLDEBUG
+
+#include <curl/curl.h>
+
+#include "urldata.h"
+
+#define MEMDEBUG_NODEFINES /* don't redefine the standard functions */
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Until 2011-08-17 libcurl's Memory Tracking feature also performed
+ * automatic malloc and free filling operations using 0xA5 and 0x13
+ * values. Our own preinitialization of dynamically allocated memory
+ * might be useful when not using third party memory debuggers, but
+ * on the other hand this would fool memory debuggers into thinking
+ * that all dynamically allocated memory is properly initialized.
+ *
+ * As a default setting, libcurl's Memory Tracking feature no longer
+ * performs preinitialization of dynamically allocated memory on its
+ * own. If you know what you are doing, and really want to retain old
+ * behavior, you can achieve this compiling with preprocessor symbols
+ * CURL_MT_MALLOC_FILL and CURL_MT_FREE_FILL defined with appropriate
+ * values.
+ */
+
+#ifdef CURL_MT_MALLOC_FILL
+# if (CURL_MT_MALLOC_FILL < 0) || (CURL_MT_MALLOC_FILL > 0xff)
+#   error "invalid CURL_MT_MALLOC_FILL or out of range"
+# endif
+#endif
+
+#ifdef CURL_MT_FREE_FILL
+# if (CURL_MT_FREE_FILL < 0) || (CURL_MT_FREE_FILL > 0xff)
+#   error "invalid CURL_MT_FREE_FILL or out of range"
+# endif
+#endif
+
+#if defined(CURL_MT_MALLOC_FILL) && defined(CURL_MT_FREE_FILL)
+# if (CURL_MT_MALLOC_FILL == CURL_MT_FREE_FILL)
+#   error "CURL_MT_MALLOC_FILL same as CURL_MT_FREE_FILL"
+# endif
+#endif
+
+#ifdef CURL_MT_MALLOC_FILL
+#  define mt_malloc_fill(buf,len) memset((buf), CURL_MT_MALLOC_FILL, (len))
+#else
+#  define mt_malloc_fill(buf,len) Curl_nop_stmt
+#endif
+
+#ifdef CURL_MT_FREE_FILL
+#  define mt_free_fill(buf,len) memset((buf), CURL_MT_FREE_FILL, (len))
+#else
+#  define mt_free_fill(buf,len) Curl_nop_stmt
+#endif
+
+struct memdebug {
+  size_t size;
+  union {
+    curl_off_t o;
+    double d;
+    void *p;
+  } mem[1];
+  /* I'm hoping this is the thing with the strictest alignment
+   * requirements.  That also means we waste some space :-( */
+};
+
+/*
+ * Note that these debug functions are very simple and they are meant to
+ * remain so. For advanced analysis, record a log file and write perl scripts
+ * to analyze them!
+ *
+ * Don't use these with multithreaded test programs!
+ */
+
+#define logfile curl_debuglogfile
+FILE *curl_debuglogfile = NULL;
+static bool memlimit = FALSE; /* enable memory limit */
+static long memsize = 0;  /* set number of mallocs allowed */
+
+/* this sets the log file name */
+void curl_memdebug(const char *logname)
+{
+  if(!logfile) {
+    if(logname && *logname)
+      logfile = fopen(logname, FOPEN_WRITETEXT);
+    else
+      logfile = stderr;
+#ifdef MEMDEBUG_LOG_SYNC
+    /* Flush the log file after every line so the log isn't lost in a crash */
+    if(logfile)
+      setbuf(logfile, (char *)NULL);
+#endif
+  }
+}
+
+/* This function sets the number of malloc() calls that should return
+   successfully! */
+void curl_memlimit(long limit)
+{
+  if(!memlimit) {
+    memlimit = TRUE;
+    memsize = limit;
+  }
+}
+
+/* returns TRUE if this isn't allowed! */
+static bool countcheck(const char *func, int line, const char *source)
+{
+  /* if source is NULL, then the call is made internally and this check
+     should not be made */
+  if(memlimit && source) {
+    if(!memsize) {
+      if(source) {
+        /* log to file */
+        curl_memlog("LIMIT %s:%d %s reached memlimit\n",
+                    source, line, func);
+        /* log to stderr also */
+        fprintf(stderr, "LIMIT %s:%d %s reached memlimit\n",
+                source, line, func);
+        fflush(logfile); /* because it might crash now */
+      }
+      errno = ENOMEM;
+      return TRUE; /* RETURN ERROR! */
+    }
+    else
+      memsize--; /* countdown */
+
+
+  }
+
+  return FALSE; /* allow this */
+}
+
+void *curl_domalloc(size_t wantedsize, int line, const char *source)
+{
+  struct memdebug *mem;
+  size_t size;
+
+  DEBUGASSERT(wantedsize != 0);
+
+  if(countcheck("malloc", line, source))
+    return NULL;
+
+  /* alloc at least 64 bytes */
+  size = sizeof(struct memdebug) + wantedsize;
+
+  mem = (Curl_cmalloc)(size);
+  if(mem) {
+    /* fill memory with junk */
+    mt_malloc_fill(mem->mem, wantedsize);
+    mem->size = wantedsize;
+  }
+
+  if(source)
+    curl_memlog("MEM %s:%d malloc(%zu) = %p\n",
+                source, line, wantedsize,
+                mem ? (void *)mem->mem : (void *)0);
+
+  return (mem ? mem->mem : NULL);
+}
+
+void *curl_docalloc(size_t wanted_elements, size_t wanted_size,
+                    int line, const char *source)
+{
+  struct memdebug *mem;
+  size_t size, user_size;
+
+  DEBUGASSERT(wanted_elements != 0);
+  DEBUGASSERT(wanted_size != 0);
+
+  if(countcheck("calloc", line, source))
+    return NULL;
+
+  /* alloc at least 64 bytes */
+  user_size = wanted_size * wanted_elements;
+  size = sizeof(struct memdebug) + user_size;
+
+  mem = (Curl_ccalloc)(1, size);
+  if(mem)
+    mem->size = user_size;
+
+  if(source)
+    curl_memlog("MEM %s:%d calloc(%zu,%zu) = %p\n",
+                source, line, wanted_elements, wanted_size,
+                mem ? (void *)mem->mem : (void *)0);
+
+  return (mem ? mem->mem : NULL);
+}
+
+char *curl_dostrdup(const char *str, int line, const char *source)
+{
+  char *mem;
+  size_t len;
+
+  DEBUGASSERT(str != NULL);
+
+  if(countcheck("strdup", line, source))
+    return NULL;
+
+  len = strlen(str) + 1;
+
+  mem = curl_domalloc(len, 0, NULL); /* NULL prevents logging */
+  if(mem)
+    memcpy(mem, str, len);
+
+  if(source)
+    curl_memlog("MEM %s:%d strdup(%p) (%zu) = %p\n",
+                source, line, (const void *)str, len, (const void *)mem);
+
+  return mem;
+}
+
+#if defined(WIN32) && defined(UNICODE)
+wchar_t *curl_dowcsdup(const wchar_t *str, int line, const char *source)
+{
+  wchar_t *mem;
+  size_t wsiz, bsiz;
+
+  DEBUGASSERT(str != NULL);
+
+  if(countcheck("wcsdup", line, source))
+    return NULL;
+
+  wsiz = wcslen(str) + 1;
+  bsiz = wsiz * sizeof(wchar_t);
+
+  mem = curl_domalloc(bsiz, 0, NULL); /* NULL prevents logging */
+  if(mem)
+    memcpy(mem, str, bsiz);
+
+  if(source)
+    curl_memlog("MEM %s:%d wcsdup(%p) (%zu) = %p\n",
+                source, line, (void *)str, bsiz, (void *)mem);
+
+  return mem;
+}
+#endif
+
+/* We provide a realloc() that accepts a NULL as pointer, which then
+   performs a malloc(). In order to work with ares. */
+void *curl_dorealloc(void *ptr, size_t wantedsize,
+                     int line, const char *source)
+{
+  struct memdebug *mem = NULL;
+
+  size_t size = sizeof(struct memdebug) + wantedsize;
+
+  DEBUGASSERT(wantedsize != 0);
+
+  if(countcheck("realloc", line, source))
+    return NULL;
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(push)
+#  pragma warning(disable:1684)
+   /* 1684: conversion from pointer to same-sized integral type */
+#endif
+
+  if(ptr)
+    mem = (void *)((char *)ptr - offsetof(struct memdebug, mem));
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(pop)
+#endif
+
+  mem = (Curl_crealloc)(mem, size);
+  if(source)
+    curl_memlog("MEM %s:%d realloc(%p, %zu) = %p\n",
+                source, line, (void *)ptr, wantedsize,
+                mem ? (void *)mem->mem : (void *)0);
+
+  if(mem) {
+    mem->size = wantedsize;
+    return mem->mem;
+  }
+
+  return NULL;
+}
+
+void curl_dofree(void *ptr, int line, const char *source)
+{
+  struct memdebug *mem;
+
+  if(ptr) {
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(push)
+#  pragma warning(disable:1684)
+   /* 1684: conversion from pointer to same-sized integral type */
+#endif
+
+    mem = (void *)((char *)ptr - offsetof(struct memdebug, mem));
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(pop)
+#endif
+
+    /* destroy */
+    mt_free_fill(mem->mem, mem->size);
+
+    /* free for real */
+    (Curl_cfree)(mem);
+  }
+
+  if(source)
+    curl_memlog("MEM %s:%d free(%p)\n", source, line, (void *)ptr);
+}
+
+curl_socket_t curl_socket(int domain, int type, int protocol,
+                          int line, const char *source)
+{
+  const char *fmt = (sizeof(curl_socket_t) == sizeof(int)) ?
+    "FD %s:%d socket() = %d\n" :
+    (sizeof(curl_socket_t) == sizeof(long)) ?
+    "FD %s:%d socket() = %ld\n" :
+    "FD %s:%d socket() = %zd\n";
+
+  curl_socket_t sockfd;
+
+  if(countcheck("socket", line, source))
+    return CURL_SOCKET_BAD;
+
+  sockfd = socket(domain, type, protocol);
+
+  if(source && (sockfd != CURL_SOCKET_BAD))
+    curl_memlog(fmt, source, line, sockfd);
+
+  return sockfd;
+}
+
+SEND_TYPE_RETV curl_dosend(SEND_TYPE_ARG1 sockfd,
+                           SEND_QUAL_ARG2 SEND_TYPE_ARG2 buf,
+                           SEND_TYPE_ARG3 len, SEND_TYPE_ARG4 flags, int line,
+                           const char *source)
+{
+  SEND_TYPE_RETV rc;
+  if(countcheck("send", line, source))
+    return -1;
+  rc = send(sockfd, buf, len, flags);
+  if(source)
+    curl_memlog("SEND %s:%d send(%lu) = %ld\n",
+                source, line, (unsigned long)len, (long)rc);
+  return rc;
+}
+
+RECV_TYPE_RETV curl_dorecv(RECV_TYPE_ARG1 sockfd, RECV_TYPE_ARG2 buf,
+                           RECV_TYPE_ARG3 len, RECV_TYPE_ARG4 flags, int line,
+                           const char *source)
+{
+  RECV_TYPE_RETV rc;
+  if(countcheck("recv", line, source))
+    return -1;
+  rc = recv(sockfd, buf, len, flags);
+  if(source)
+    curl_memlog("RECV %s:%d recv(%lu) = %ld\n",
+                source, line, (unsigned long)len, (long)rc);
+  return rc;
+}
+
+#ifdef HAVE_SOCKETPAIR
+int curl_socketpair(int domain, int type, int protocol,
+                    curl_socket_t socket_vector[2],
+                    int line, const char *source)
+{
+  const char *fmt = (sizeof(curl_socket_t) == sizeof(int)) ?
+    "FD %s:%d socketpair() = %d %d\n" :
+    (sizeof(curl_socket_t) == sizeof(long)) ?
+    "FD %s:%d socketpair() = %ld %ld\n" :
+    "FD %s:%d socketpair() = %zd %zd\n";
+
+  int res = socketpair(domain, type, protocol, socket_vector);
+
+  if(source && (0 == res))
+    curl_memlog(fmt, source, line, socket_vector[0], socket_vector[1]);
+
+  return res;
+}
+#endif
+
+curl_socket_t curl_accept(curl_socket_t s, void *saddr, void *saddrlen,
+                          int line, const char *source)
+{
+  const char *fmt = (sizeof(curl_socket_t) == sizeof(int)) ?
+    "FD %s:%d accept() = %d\n" :
+    (sizeof(curl_socket_t) == sizeof(long)) ?
+    "FD %s:%d accept() = %ld\n" :
+    "FD %s:%d accept() = %zd\n";
+
+  struct sockaddr *addr = (struct sockaddr *)saddr;
+  curl_socklen_t *addrlen = (curl_socklen_t *)saddrlen;
+
+  curl_socket_t sockfd = accept(s, addr, addrlen);
+
+  if(source && (sockfd != CURL_SOCKET_BAD))
+    curl_memlog(fmt, source, line, sockfd);
+
+  return sockfd;
+}
+
+/* separate function to allow libcurl to mark a "faked" close */
+void curl_mark_sclose(curl_socket_t sockfd, int line, const char *source)
+{
+  const char *fmt = (sizeof(curl_socket_t) == sizeof(int)) ?
+    "FD %s:%d sclose(%d)\n":
+    (sizeof(curl_socket_t) == sizeof(long)) ?
+    "FD %s:%d sclose(%ld)\n":
+    "FD %s:%d sclose(%zd)\n";
+
+  if(source)
+    curl_memlog(fmt, source, line, sockfd);
+}
+
+/* this is our own defined way to close sockets on *ALL* platforms */
+int curl_sclose(curl_socket_t sockfd, int line, const char *source)
+{
+  int res = sclose(sockfd);
+  curl_mark_sclose(sockfd, line, source);
+  return res;
+}
+
+FILE *curl_fopen(const char *file, const char *mode,
+                 int line, const char *source)
+{
+  FILE *res = fopen(file, mode);
+
+  if(source)
+    curl_memlog("FILE %s:%d fopen(\"%s\",\"%s\") = %p\n",
+                source, line, file, mode, (void *)res);
+
+  return res;
+}
+
+#ifdef HAVE_FDOPEN
+FILE *curl_fdopen(int filedes, const char *mode,
+                  int line, const char *source)
+{
+  FILE *res = fdopen(filedes, mode);
+
+  if(source)
+    curl_memlog("FILE %s:%d fdopen(\"%d\",\"%s\") = %p\n",
+                source, line, filedes, mode, (void *)res);
+
+  return res;
+}
+#endif
+
+int curl_fclose(FILE *file, int line, const char *source)
+{
+  int res;
+
+  DEBUGASSERT(file != NULL);
+
+  res = fclose(file);
+
+  if(source)
+    curl_memlog("FILE %s:%d fclose(%p)\n",
+                source, line, (void *)file);
+
+  return res;
+}
+
+#define LOGLINE_BUFSIZE  1024
+
+/* this does the writing to the memory tracking log file */
+void curl_memlog(const char *format, ...)
+{
+  char *buf;
+  int nchars;
+  va_list ap;
+
+  if(!logfile)
+    return;
+
+  buf = (Curl_cmalloc)(LOGLINE_BUFSIZE);
+  if(!buf)
+    return;
+
+  va_start(ap, format);
+  nchars = mvsnprintf(buf, LOGLINE_BUFSIZE, format, ap);
+  va_end(ap);
+
+  if(nchars > LOGLINE_BUFSIZE - 1)
+    nchars = LOGLINE_BUFSIZE - 1;
+
+  if(nchars > 0)
+    fwrite(buf, 1, (size_t)nchars, logfile);
+
+  (Curl_cfree)(buf);
+}
+
+#endif /* CURLDEBUG */
Index: trunk/src/libs/curl-7.64.0/lib/memdebug.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/memdebug.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/memdebug.h	(revision 85671)
@@ -0,0 +1,179 @@
+#ifndef HEADER_CURL_MEMDEBUG_H
+#define HEADER_CURL_MEMDEBUG_H
+#ifdef CURLDEBUG
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * CAUTION: this header is designed to work when included by the app-side
+ * as well as the library. Do not mix with library internals!
+ */
+
+#define CURL_MT_LOGFNAME_BUFSIZE 512
+
+#define logfile curl_debuglogfile
+
+extern FILE *logfile;
+
+/* memory functions */
+CURL_EXTERN void *curl_domalloc(size_t size, int line, const char *source);
+CURL_EXTERN void *curl_docalloc(size_t elements, size_t size, int line,
+                                const char *source);
+CURL_EXTERN void *curl_dorealloc(void *ptr, size_t size, int line,
+                                 const char *source);
+CURL_EXTERN void curl_dofree(void *ptr, int line, const char *source);
+CURL_EXTERN char *curl_dostrdup(const char *str, int line, const char *source);
+#if defined(WIN32) && defined(UNICODE)
+CURL_EXTERN wchar_t *curl_dowcsdup(const wchar_t *str, int line,
+                                   const char *source);
+#endif
+
+CURL_EXTERN void curl_memdebug(const char *logname);
+CURL_EXTERN void curl_memlimit(long limit);
+CURL_EXTERN void curl_memlog(const char *format, ...);
+
+/* file descriptor manipulators */
+CURL_EXTERN curl_socket_t curl_socket(int domain, int type, int protocol,
+                                      int line, const char *source);
+CURL_EXTERN void curl_mark_sclose(curl_socket_t sockfd,
+                                  int line, const char *source);
+CURL_EXTERN int curl_sclose(curl_socket_t sockfd,
+                            int line, const char *source);
+CURL_EXTERN curl_socket_t curl_accept(curl_socket_t s, void *a, void *alen,
+                                      int line, const char *source);
+#ifdef HAVE_SOCKETPAIR
+CURL_EXTERN int curl_socketpair(int domain, int type, int protocol,
+                                curl_socket_t socket_vector[2],
+                                int line, const char *source);
+#endif
+
+/* send/receive sockets */
+CURL_EXTERN SEND_TYPE_RETV curl_dosend(SEND_TYPE_ARG1 sockfd,
+                                       SEND_QUAL_ARG2 SEND_TYPE_ARG2 buf,
+                                       SEND_TYPE_ARG3 len,
+                                       SEND_TYPE_ARG4 flags, int line,
+                                       const char *source);
+CURL_EXTERN RECV_TYPE_RETV curl_dorecv(RECV_TYPE_ARG1 sockfd,
+                                       RECV_TYPE_ARG2 buf, RECV_TYPE_ARG3 len,
+                                       RECV_TYPE_ARG4 flags, int line,
+                                       const char *source);
+
+/* FILE functions */
+CURL_EXTERN FILE *curl_fopen(const char *file, const char *mode, int line,
+                             const char *source);
+#ifdef HAVE_FDOPEN
+CURL_EXTERN FILE *curl_fdopen(int filedes, const char *mode, int line,
+                              const char *source);
+#endif
+CURL_EXTERN int curl_fclose(FILE *file, int line, const char *source);
+
+#ifndef MEMDEBUG_NODEFINES
+
+/* Set this symbol on the command-line, recompile all lib-sources */
+#undef strdup
+#define strdup(ptr) curl_dostrdup(ptr, __LINE__, __FILE__)
+#define malloc(size) curl_domalloc(size, __LINE__, __FILE__)
+#define calloc(nbelem,size) curl_docalloc(nbelem, size, __LINE__, __FILE__)
+#define realloc(ptr,size) curl_dorealloc(ptr, size, __LINE__, __FILE__)
+#define free(ptr) curl_dofree(ptr, __LINE__, __FILE__)
+#define send(a,b,c,d) curl_dosend(a,b,c,d, __LINE__, __FILE__)
+#define recv(a,b,c,d) curl_dorecv(a,b,c,d, __LINE__, __FILE__)
+
+#ifdef WIN32
+#  ifdef UNICODE
+#    undef wcsdup
+#    define wcsdup(ptr) curl_dowcsdup(ptr, __LINE__, __FILE__)
+#    undef _wcsdup
+#    define _wcsdup(ptr) curl_dowcsdup(ptr, __LINE__, __FILE__)
+#    undef _tcsdup
+#    define _tcsdup(ptr) curl_dowcsdup(ptr, __LINE__, __FILE__)
+#  else
+#    undef _tcsdup
+#    define _tcsdup(ptr) curl_dostrdup(ptr, __LINE__, __FILE__)
+#  endif
+#endif
+
+#undef socket
+#define socket(domain,type,protocol)\
+ curl_socket(domain, type, protocol, __LINE__, __FILE__)
+#undef accept /* for those with accept as a macro */
+#define accept(sock,addr,len)\
+ curl_accept(sock, addr, len, __LINE__, __FILE__)
+#ifdef HAVE_SOCKETPAIR
+#define socketpair(domain,type,protocol,socket_vector)\
+ curl_socketpair(domain, type, protocol, socket_vector, __LINE__, __FILE__)
+#endif
+
+#ifdef HAVE_GETADDRINFO
+#if defined(getaddrinfo) && defined(__osf__)
+/* OSF/1 and Tru64 have getaddrinfo as a define already, so we cannot define
+   our macro as for other platforms. Instead, we redefine the new name they
+   define getaddrinfo to become! */
+#define ogetaddrinfo(host,serv,hint,res) \
+  curl_dogetaddrinfo(host, serv, hint, res, __LINE__, __FILE__)
+#else
+#undef getaddrinfo
+#define getaddrinfo(host,serv,hint,res) \
+  curl_dogetaddrinfo(host, serv, hint, res, __LINE__, __FILE__)
+#endif
+#endif /* HAVE_GETADDRINFO */
+
+#ifdef HAVE_FREEADDRINFO
+#undef freeaddrinfo
+#define freeaddrinfo(data) \
+  curl_dofreeaddrinfo(data, __LINE__, __FILE__)
+#endif /* HAVE_FREEADDRINFO */
+
+/* sclose is probably already defined, redefine it! */
+#undef sclose
+#define sclose(sockfd) curl_sclose(sockfd,__LINE__,__FILE__)
+
+#define fake_sclose(sockfd) curl_mark_sclose(sockfd,__LINE__,__FILE__)
+
+#undef fopen
+#define fopen(file,mode) curl_fopen(file,mode,__LINE__,__FILE__)
+#undef fdopen
+#define fdopen(file,mode) curl_fdopen(file,mode,__LINE__,__FILE__)
+#define fclose(file) curl_fclose(file,__LINE__,__FILE__)
+
+#endif /* MEMDEBUG_NODEFINES */
+
+#endif /* CURLDEBUG */
+
+/*
+** Following section applies even when CURLDEBUG is not defined.
+*/
+
+#ifndef fake_sclose
+#define fake_sclose(x)  Curl_nop_stmt
+#endif
+
+/*
+ * Curl_safefree defined as a macro to allow MemoryTracking feature
+ * to log free() calls at same location where Curl_safefree is used.
+ * This macro also assigns NULL to given pointer when free'd.
+ */
+
+#define Curl_safefree(ptr) \
+  do { free((ptr)); (ptr) = NULL;} WHILE_FALSE
+
+#endif /* HEADER_CURL_MEMDEBUG_H */
Index: trunk/src/libs/curl-7.64.0/lib/mime.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/mime.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/mime.c	(revision 85671)
@@ -0,0 +1,1980 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#include "mime.h"
+#include "non-ascii.h"
+#include "urldata.h"
+#include "sendf.h"
+
+#if !defined(CURL_DISABLE_HTTP) || !defined(CURL_DISABLE_SMTP) || \
+    !defined(CURL_DISABLE_IMAP)
+
+#if defined(HAVE_LIBGEN_H) && defined(HAVE_BASENAME)
+#include <libgen.h>
+#endif
+
+#include "rand.h"
+#include "slist.h"
+#include "strcase.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#ifdef WIN32
+# ifndef R_OK
+#  define R_OK 4
+# endif
+#endif
+
+
+#define READ_ERROR                      ((size_t) -1)
+
+/* Encoders. */
+static size_t encoder_nop_read(char *buffer, size_t size, bool ateof,
+                                curl_mimepart *part);
+static curl_off_t encoder_nop_size(curl_mimepart *part);
+static size_t encoder_7bit_read(char *buffer, size_t size, bool ateof,
+                                curl_mimepart *part);
+static size_t encoder_base64_read(char *buffer, size_t size, bool ateof,
+                                curl_mimepart *part);
+static curl_off_t encoder_base64_size(curl_mimepart *part);
+static size_t encoder_qp_read(char *buffer, size_t size, bool ateof,
+                              curl_mimepart *part);
+static curl_off_t encoder_qp_size(curl_mimepart *part);
+
+static const mime_encoder encoders[] = {
+  {"binary", encoder_nop_read, encoder_nop_size},
+  {"8bit", encoder_nop_read, encoder_nop_size},
+  {"7bit", encoder_7bit_read, encoder_nop_size},
+  {"base64", encoder_base64_read, encoder_base64_size},
+  {"quoted-printable", encoder_qp_read, encoder_qp_size},
+  {ZERO_NULL, ZERO_NULL, ZERO_NULL}
+};
+
+/* Base64 encoding table */
+static const char base64[] =
+  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+/* Quoted-printable character class table.
+ *
+ * We cannot rely on ctype functions since quoted-printable input data
+ * is assumed to be ascii-compatible, even on non-ascii platforms. */
+#define QP_OK           1       /* Can be represented by itself. */
+#define QP_SP           2       /* Space or tab. */
+#define QP_CR           3       /* Carriage return. */
+#define QP_LF           4       /* Line-feed. */
+static const unsigned char qp_class[] = {
+ 0,     0,     0,     0,     0,     0,     0,     0,            /* 00 - 07 */
+ 0,     QP_SP, QP_LF, 0,     0,     QP_CR, 0,     0,            /* 08 - 0F */
+ 0,     0,     0,     0,     0,     0,     0,     0,            /* 10 - 17 */
+ 0,     0,     0,     0,     0,     0,     0,     0,            /* 18 - 1F */
+ QP_SP, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK,        /* 20 - 27 */
+ QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK,        /* 28 - 2F */
+ QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK,        /* 30 - 37 */
+ QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, 0    , QP_OK, QP_OK,        /* 38 - 3F */
+ QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK,        /* 40 - 47 */
+ QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK,        /* 48 - 4F */
+ QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK,        /* 50 - 57 */
+ QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK,        /* 58 - 5F */
+ QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK,        /* 60 - 67 */
+ QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK,        /* 68 - 6F */
+ QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK,        /* 70 - 77 */
+ QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, QP_OK, 0,            /* 78 - 7F */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,                /* 80 - 8F */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,                /* 90 - 9F */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,                /* A0 - AF */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,                /* B0 - BF */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,                /* C0 - CF */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,                /* D0 - DF */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,                /* E0 - EF */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0                 /* F0 - FF */
+};
+
+
+/* Binary --> hexadecimal ASCII table. */
+static const char aschex[] =
+  "\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x41\x42\x43\x44\x45\x46";
+
+
+
+#ifndef __VMS
+#define filesize(name, stat_data) (stat_data.st_size)
+#define fopen_read fopen
+
+#else
+
+#include <fabdef.h>
+/*
+ * get_vms_file_size does what it takes to get the real size of the file
+ *
+ * For fixed files, find out the size of the EOF block and adjust.
+ *
+ * For all others, have to read the entire file in, discarding the contents.
+ * Most posted text files will be small, and binary files like zlib archives
+ * and CD/DVD images should be either a STREAM_LF format or a fixed format.
+ *
+ */
+curl_off_t VmsRealFileSize(const char *name,
+                           const struct_stat *stat_buf)
+{
+  char buffer[8192];
+  curl_off_t count;
+  int ret_stat;
+  FILE * file;
+
+  file = fopen(name, FOPEN_READTEXT); /* VMS */
+  if(file == NULL)
+    return 0;
+
+  count = 0;
+  ret_stat = 1;
+  while(ret_stat > 0) {
+    ret_stat = fread(buffer, 1, sizeof(buffer), file);
+    if(ret_stat != 0)
+      count += ret_stat;
+  }
+  fclose(file);
+
+  return count;
+}
+
+/*
+ *
+ *  VmsSpecialSize checks to see if the stat st_size can be trusted and
+ *  if not to call a routine to get the correct size.
+ *
+ */
+static curl_off_t VmsSpecialSize(const char *name,
+                                 const struct_stat *stat_buf)
+{
+  switch(stat_buf->st_fab_rfm) {
+  case FAB$C_VAR:
+  case FAB$C_VFC:
+    return VmsRealFileSize(name, stat_buf);
+    break;
+  default:
+    return stat_buf->st_size;
+  }
+}
+
+#define filesize(name, stat_data) VmsSpecialSize(name, &stat_data)
+
+/*
+ * vmsfopenread
+ *
+ * For upload to work as expected on VMS, different optional
+ * parameters must be added to the fopen command based on
+ * record format of the file.
+ *
+ */
+static FILE * vmsfopenread(const char *file, const char *mode)
+{
+  struct_stat statbuf;
+  int result;
+
+  result = stat(file, &statbuf);
+
+  switch(statbuf.st_fab_rfm) {
+  case FAB$C_VAR:
+  case FAB$C_VFC:
+  case FAB$C_STMCR:
+    return fopen(file, FOPEN_READTEXT); /* VMS */
+    break;
+  default:
+    return fopen(file, FOPEN_READTEXT, "rfm=stmlf", "ctx=stm");
+  }
+}
+
+#define fopen_read vmsfopenread
+#endif
+
+
+#ifndef HAVE_BASENAME
+/*
+  (Quote from The Open Group Base Specifications Issue 6 IEEE Std 1003.1, 2004
+  Edition)
+
+  The basename() function shall take the pathname pointed to by path and
+  return a pointer to the final component of the pathname, deleting any
+  trailing '/' characters.
+
+  If the string pointed to by path consists entirely of the '/' character,
+  basename() shall return a pointer to the string "/". If the string pointed
+  to by path is exactly "//", it is implementation-defined whether '/' or "//"
+  is returned.
+
+  If path is a null pointer or points to an empty string, basename() shall
+  return a pointer to the string ".".
+
+  The basename() function may modify the string pointed to by path, and may
+  return a pointer to static storage that may then be overwritten by a
+  subsequent call to basename().
+
+  The basename() function need not be reentrant. A function that is not
+  required to be reentrant is not required to be thread-safe.
+
+*/
+static char *Curl_basename(char *path)
+{
+  /* Ignore all the details above for now and make a quick and simple
+     implementation here */
+  char *s1;
+  char *s2;
+
+  s1 = strrchr(path, '/');
+  s2 = strrchr(path, '\\');
+
+  if(s1 && s2) {
+    path = (s1 > s2? s1 : s2) + 1;
+  }
+  else if(s1)
+    path = s1 + 1;
+  else if(s2)
+    path = s2 + 1;
+
+  return path;
+}
+
+#define basename(x)  Curl_basename((x))
+#endif
+
+
+/* Set readback state. */
+static void mimesetstate(mime_state *state, enum mimestate tok, void *ptr)
+{
+  state->state = tok;
+  state->ptr = ptr;
+  state->offset = 0;
+}
+
+
+/* Escape header string into allocated memory. */
+static char *escape_string(const char *src)
+{
+  size_t bytecount = 0;
+  size_t i;
+  char *dst;
+
+  for(i = 0; src[i]; i++)
+    if(src[i] == '"' || src[i] == '\\')
+      bytecount++;
+
+  bytecount += i;
+  dst = malloc(bytecount + 1);
+  if(!dst)
+    return NULL;
+
+  for(i = 0; *src; src++) {
+    if(*src == '"' || *src == '\\')
+      dst[i++] = '\\';
+    dst[i++] = *src;
+  }
+
+  dst[i] = '\0';
+  return dst;
+}
+
+/* Check if header matches. */
+static char *match_header(struct curl_slist *hdr, const char *lbl, size_t len)
+{
+  char *value = NULL;
+
+  if(strncasecompare(hdr->data, lbl, len) && hdr->data[len] == ':')
+    for(value = hdr->data + len + 1; *value == ' '; value++)
+      ;
+  return value;
+}
+
+/* Get a header from an slist. */
+static char *search_header(struct curl_slist *hdrlist, const char *hdr)
+{
+  size_t len = strlen(hdr);
+  char *value = NULL;
+
+  for(; !value && hdrlist; hdrlist = hdrlist->next)
+    value = match_header(hdrlist, hdr, len);
+
+  return value;
+}
+
+static char *strippath(const char *fullfile)
+{
+  char *filename;
+  char *base;
+  filename = strdup(fullfile); /* duplicate since basename() may ruin the
+                                  buffer it works on */
+  if(!filename)
+    return NULL;
+  base = strdup(basename(filename));
+
+  free(filename); /* free temporary buffer */
+
+  return base; /* returns an allocated string or NULL ! */
+}
+
+/* Initialize data encoder state. */
+static void cleanup_encoder_state(mime_encoder_state *p)
+{
+  p->pos = 0;
+  p->bufbeg = 0;
+  p->bufend = 0;
+}
+
+
+/* Dummy encoder. This is used for 8bit and binary content encodings. */
+static size_t encoder_nop_read(char *buffer, size_t size, bool ateof,
+                               curl_mimepart *part)
+{
+  mime_encoder_state *st = &part->encstate;
+  size_t insize = st->bufend - st->bufbeg;
+
+  (void) ateof;
+
+  if(size > insize)
+    size = insize;
+  if(size)
+    memcpy(buffer, st->buf, size);
+  st->bufbeg += size;
+  return size;
+}
+
+static curl_off_t encoder_nop_size(curl_mimepart *part)
+{
+  return part->datasize;
+}
+
+
+/* 7bit encoder: the encoder is just a data validity check. */
+static size_t encoder_7bit_read(char *buffer, size_t size, bool ateof,
+                                curl_mimepart *part)
+{
+  mime_encoder_state *st = &part->encstate;
+  size_t cursize = st->bufend - st->bufbeg;
+
+  (void) ateof;
+
+  if(size > cursize)
+    size = cursize;
+
+  for(cursize = 0; cursize < size; cursize++) {
+    *buffer = st->buf[st->bufbeg];
+    if(*buffer++ & 0x80)
+      return cursize? cursize: READ_ERROR;
+    st->bufbeg++;
+  }
+
+  return cursize;
+}
+
+
+/* Base64 content encoder. */
+static size_t encoder_base64_read(char *buffer, size_t size, bool ateof,
+                                curl_mimepart *part)
+{
+  mime_encoder_state *st = &part->encstate;
+  size_t cursize = 0;
+  int i;
+  char *ptr = buffer;
+
+  while(st->bufbeg < st->bufend) {
+    /* Line full ? */
+    if(st->pos > MAX_ENCODED_LINE_LENGTH - 4) {
+      /* Yes, we need 2 characters for CRLF. */
+      if(size < 2)
+        break;
+      *ptr++ = '\r';
+      *ptr++ = '\n';
+      st->pos = 0;
+      cursize += 2;
+      size -= 2;
+    }
+
+    /* Be sure there is enough space and input data for a base64 group. */
+    if(size < 4 || st->bufend - st->bufbeg < 3)
+      break;
+
+    /* Encode three bytes as four characters. */
+    i = st->buf[st->bufbeg++] & 0xFF;
+    i = (i << 8) | (st->buf[st->bufbeg++] & 0xFF);
+    i = (i << 8) | (st->buf[st->bufbeg++] & 0xFF);
+    *ptr++ = base64[(i >> 18) & 0x3F];
+    *ptr++ = base64[(i >> 12) & 0x3F];
+    *ptr++ = base64[(i >> 6) & 0x3F];
+    *ptr++ = base64[i & 0x3F];
+    cursize += 4;
+    st->pos += 4;
+    size -= 4;
+  }
+
+  /* If at eof, we have to flush the buffered data. */
+  if(ateof && size >= 4) {
+    /* Buffered data size can only be 0, 1 or 2. */
+    ptr[2] = ptr[3] = '=';
+    i = 0;
+    switch(st->bufend - st->bufbeg) {
+    case 2:
+      i = (st->buf[st->bufbeg + 1] & 0xFF) << 8;
+      /* FALLTHROUGH */
+    case 1:
+      i |= (st->buf[st->bufbeg] & 0xFF) << 16;
+      ptr[0] = base64[(i >> 18) & 0x3F];
+      ptr[1] = base64[(i >> 12) & 0x3F];
+      if(++st->bufbeg != st->bufend) {
+        ptr[2] = base64[(i >> 6) & 0x3F];
+        st->bufbeg++;
+      }
+      cursize += 4;
+      st->pos += 4;
+      break;
+    }
+  }
+
+#ifdef CURL_DOES_CONVERSIONS
+  /* This is now textual data, Convert character codes. */
+  if(part->easy && cursize) {
+    CURLcode result = Curl_convert_to_network(part->easy, buffer, cursize);
+    if(result)
+      return READ_ERROR;
+  }
+#endif
+
+  return cursize;
+}
+
+static curl_off_t encoder_base64_size(curl_mimepart *part)
+{
+  curl_off_t size = part->datasize;
+
+  if(size <= 0)
+    return size;    /* Unknown size or no data. */
+
+  /* Compute base64 character count. */
+  size = 4 * (1 + (size - 1) / 3);
+
+  /* Effective character count must include CRLFs. */
+  return size + 2 * ((size - 1) / MAX_ENCODED_LINE_LENGTH);
+}
+
+
+/* Quoted-printable lookahead.
+ *
+ * Check if a CRLF or end of data is in input buffer at current position + n.
+ * Return -1 if more data needed, 1 if CRLF or end of data, else 0.
+ */
+static int qp_lookahead_eol(mime_encoder_state *st, int ateof, size_t n)
+{
+  n += st->bufbeg;
+  if(n >= st->bufend && ateof)
+    return 1;
+  if(n + 2 > st->bufend)
+    return ateof? 0: -1;
+  if(qp_class[st->buf[n] & 0xFF] == QP_CR &&
+     qp_class[st->buf[n + 1] & 0xFF] == QP_LF)
+    return 1;
+  return 0;
+}
+
+/* Quoted-printable encoder. */
+static size_t encoder_qp_read(char *buffer, size_t size, bool ateof,
+                              curl_mimepart *part)
+{
+  mime_encoder_state *st = &part->encstate;
+  char *ptr = buffer;
+  size_t cursize = 0;
+  int softlinebreak;
+  char buf[4];
+
+  /* On all platforms, input is supposed to be ASCII compatible: for this
+     reason, we use hexadecimal ASCII codes in this function rather than
+     character constants that can be interpreted as non-ascii on some
+     platforms. Preserve ASCII encoding on output too. */
+  while(st->bufbeg < st->bufend) {
+    size_t len = 1;
+    size_t consumed = 1;
+    int i = st->buf[st->bufbeg];
+    buf[0] = (char) i;
+    buf[1] = aschex[(i >> 4) & 0xF];
+    buf[2] = aschex[i & 0xF];
+
+    switch(qp_class[st->buf[st->bufbeg] & 0xFF]) {
+    case QP_OK:          /* Not a special character. */
+      break;
+    case QP_SP:          /* Space or tab. */
+      /* Spacing must be escaped if followed by CRLF. */
+      switch(qp_lookahead_eol(st, ateof, 1)) {
+      case -1:          /* More input data needed. */
+        return cursize;
+      case 0:           /* No encoding needed. */
+        break;
+      default:          /* CRLF after space or tab. */
+        buf[0] = '\x3D';    /* '=' */
+        len = 3;
+        break;
+      }
+      break;
+    case QP_CR:         /* Carriage return. */
+      /* If followed by a line-feed, output the CRLF pair.
+         Else escape it. */
+      switch(qp_lookahead_eol(st, ateof, 0)) {
+      case -1:          /* Need more data. */
+        return cursize;
+      case 1:           /* CRLF found. */
+        buf[len++] = '\x0A';    /* Append '\n'. */
+        consumed = 2;
+        break;
+      default:          /* Not followed by LF: escape. */
+        buf[0] = '\x3D';    /* '=' */
+        len = 3;
+        break;
+      }
+      break;
+    default:            /* Character must be escaped. */
+      buf[0] = '\x3D';    /* '=' */
+      len = 3;
+      break;
+    }
+
+    /* Be sure the encoded character fits within maximum line length. */
+    if(buf[len - 1] != '\x0A') {    /* '\n' */
+      softlinebreak = st->pos + len > MAX_ENCODED_LINE_LENGTH;
+      if(!softlinebreak && st->pos + len == MAX_ENCODED_LINE_LENGTH) {
+        /* We may use the current line only if end of data or followed by
+           a CRLF. */
+        switch(qp_lookahead_eol(st, ateof, consumed)) {
+        case -1:        /* Need more data. */
+          return cursize;
+          break;
+        case 0:         /* Not followed by a CRLF. */
+          softlinebreak = 1;
+          break;
+        }
+      }
+      if(softlinebreak) {
+        strcpy(buf, "\x3D\x0D\x0A");    /* "=\r\n" */
+        len = 3;
+        consumed = 0;
+      }
+    }
+
+    /* If the output buffer would overflow, do not store. */
+    if(len > size)
+      break;
+
+    /* Append to output buffer. */
+    memcpy(ptr, buf, len);
+    cursize += len;
+    ptr += len;
+    size -= len;
+    st->pos += len;
+    if(buf[len - 1] == '\x0A')    /* '\n' */
+      st->pos = 0;
+    st->bufbeg += consumed;
+  }
+
+  return cursize;
+}
+
+static curl_off_t encoder_qp_size(curl_mimepart *part)
+{
+  /* Determining the size can only be done by reading the data: unless the
+     data size is 0, we return it as unknown (-1). */
+  return part->datasize? -1: 0;
+}
+
+
+/* In-memory data callbacks. */
+/* Argument is a pointer to the mime part. */
+static size_t mime_mem_read(char *buffer, size_t size, size_t nitems,
+                            void *instream)
+{
+  curl_mimepart *part = (curl_mimepart *) instream;
+  size_t sz = (size_t) part->datasize - part->state.offset;
+  (void) size;   /* Always 1.*/
+
+  if(sz > nitems)
+    sz = nitems;
+
+  if(sz)
+    memcpy(buffer, (char *) &part->data[part->state.offset], sz);
+
+  part->state.offset += sz;
+  return sz;
+}
+
+static int mime_mem_seek(void *instream, curl_off_t offset, int whence)
+{
+  curl_mimepart *part = (curl_mimepart *) instream;
+
+  switch(whence) {
+  case SEEK_CUR:
+    offset += part->state.offset;
+    break;
+  case SEEK_END:
+    offset += part->datasize;
+    break;
+  }
+
+  if(offset < 0 || offset > part->datasize)
+    return CURL_SEEKFUNC_FAIL;
+
+  part->state.offset = (size_t) offset;
+  return CURL_SEEKFUNC_OK;
+}
+
+static void mime_mem_free(void *ptr)
+{
+  Curl_safefree(((curl_mimepart *) ptr)->data);
+}
+
+
+/* Named file callbacks. */
+/* Argument is a pointer to the mime part. */
+static int mime_open_file(curl_mimepart * part)
+{
+  /* Open a MIMEKIND_FILE part. */
+
+  if(part->fp)
+    return 0;
+  part->fp = fopen_read(part->data, "rb");
+  return part->fp? 0: -1;
+}
+
+static size_t mime_file_read(char *buffer, size_t size, size_t nitems,
+                             void *instream)
+{
+  curl_mimepart *part = (curl_mimepart *) instream;
+
+  if(mime_open_file(part))
+    return READ_ERROR;
+
+  return fread(buffer, size, nitems, part->fp);
+}
+
+static int mime_file_seek(void *instream, curl_off_t offset, int whence)
+{
+  curl_mimepart *part = (curl_mimepart *) instream;
+
+  if(whence == SEEK_SET && !offset && !part->fp)
+    return CURL_SEEKFUNC_OK;   /* Not open: implicitly already at BOF. */
+
+  if(mime_open_file(part))
+    return CURL_SEEKFUNC_FAIL;
+
+  return fseek(part->fp, (long) offset, whence)?
+               CURL_SEEKFUNC_CANTSEEK: CURL_SEEKFUNC_OK;
+}
+
+static void mime_file_free(void *ptr)
+{
+  curl_mimepart *part = (curl_mimepart *) ptr;
+
+  if(part->fp) {
+    fclose(part->fp);
+    part->fp = NULL;
+  }
+  Curl_safefree(part->data);
+  part->data = NULL;
+}
+
+
+/* Subparts callbacks. */
+/* Argument is a pointer to the mime structure. */
+
+/* Readback a byte string segment. */
+static size_t readback_bytes(mime_state *state,
+                             char *buffer, size_t bufsize,
+                             const char *bytes, size_t numbytes,
+                             const char *trail)
+{
+  size_t sz;
+
+  if(numbytes > state->offset) {
+    sz = numbytes - state->offset;
+    bytes += state->offset;
+  }
+  else {
+    size_t tsz = strlen(trail);
+
+    sz = state->offset - numbytes;
+    if(sz >= tsz)
+      return 0;
+    bytes = trail + sz;
+    sz = tsz - sz;
+  }
+
+  if(sz > bufsize)
+    sz = bufsize;
+
+  memcpy(buffer, bytes, sz);
+  state->offset += sz;
+  return sz;
+}
+
+/* Read a non-encoded part content. */
+static size_t read_part_content(curl_mimepart *part,
+                                char *buffer, size_t bufsize)
+{
+  size_t sz = 0;
+
+  if(part->readfunc)
+    sz = part->readfunc(buffer, 1, bufsize, part->arg);
+  return sz;
+}
+
+/* Read and encode part content. */
+static size_t read_encoded_part_content(curl_mimepart *part,
+                                        char *buffer, size_t bufsize)
+{
+  mime_encoder_state *st = &part->encstate;
+  size_t cursize = 0;
+  size_t sz;
+  bool ateof = FALSE;
+
+  while(bufsize) {
+    if(st->bufbeg < st->bufend || ateof) {
+      /* Encode buffered data. */
+      sz = part->encoder->encodefunc(buffer, bufsize, ateof, part);
+      switch(sz) {
+      case 0:
+        if(ateof)
+          return cursize;
+        break;
+      case CURL_READFUNC_ABORT:
+      case CURL_READFUNC_PAUSE:
+      case READ_ERROR:
+        return cursize? cursize: sz;
+      default:
+        cursize += sz;
+        buffer += sz;
+        bufsize -= sz;
+        continue;
+      }
+    }
+
+    /* We need more data in input buffer. */
+    if(st->bufbeg) {
+      size_t len = st->bufend - st->bufbeg;
+
+      if(len)
+        memmove(st->buf, st->buf + st->bufbeg, len);
+      st->bufbeg = 0;
+      st->bufend = len;
+    }
+    if(st->bufend >= sizeof(st->buf))
+      return cursize? cursize: READ_ERROR;    /* Buffer full. */
+    sz = read_part_content(part, st->buf + st->bufend,
+                           sizeof(st->buf) - st->bufend);
+    switch(sz) {
+    case 0:
+      ateof = TRUE;
+      break;
+    case CURL_READFUNC_ABORT:
+    case CURL_READFUNC_PAUSE:
+    case READ_ERROR:
+      return cursize? cursize: sz;
+    default:
+      st->bufend += sz;
+      break;
+    }
+  }
+
+  return cursize;
+}
+
+/* Readback a mime part. */
+static size_t readback_part(curl_mimepart *part,
+                            char *buffer, size_t bufsize)
+{
+  size_t cursize = 0;
+#ifdef CURL_DOES_CONVERSIONS
+  char *convbuf = buffer;
+#endif
+
+  /* Readback from part. */
+
+  while(bufsize) {
+    size_t sz = 0;
+    struct curl_slist *hdr = (struct curl_slist *) part->state.ptr;
+    switch(part->state.state) {
+    case MIMESTATE_BEGIN:
+      mimesetstate(&part->state, part->flags & MIME_BODY_ONLY? MIMESTATE_BODY:
+                                 MIMESTATE_CURLHEADERS, part->curlheaders);
+      break;
+    case MIMESTATE_USERHEADERS:
+      if(!hdr) {
+        mimesetstate(&part->state, MIMESTATE_EOH, NULL);
+        break;
+      }
+      if(match_header(hdr, "Content-Type", 12)) {
+        mimesetstate(&part->state, MIMESTATE_USERHEADERS, hdr->next);
+        break;
+      }
+      /* FALLTHROUGH */
+    case MIMESTATE_CURLHEADERS:
+      if(!hdr)
+        mimesetstate(&part->state, MIMESTATE_USERHEADERS, part->userheaders);
+      else {
+        sz = readback_bytes(&part->state, buffer, bufsize,
+                            hdr->data, strlen(hdr->data), "\r\n");
+        if(!sz)
+          mimesetstate(&part->state, part->state.state, hdr->next);
+      }
+      break;
+    case MIMESTATE_EOH:
+      sz = readback_bytes(&part->state, buffer, bufsize, "\r\n", 2, "");
+      if(!sz)
+        mimesetstate(&part->state, MIMESTATE_BODY, NULL);
+      break;
+    case MIMESTATE_BODY:
+#ifdef CURL_DOES_CONVERSIONS
+      if(part->easy && convbuf < buffer) {
+        CURLcode result = Curl_convert_to_network(part->easy, convbuf,
+                                                  buffer - convbuf);
+        if(result)
+          return READ_ERROR;
+        convbuf = buffer;
+      }
+#endif
+      cleanup_encoder_state(&part->encstate);
+      mimesetstate(&part->state, MIMESTATE_CONTENT, NULL);
+      break;
+    case MIMESTATE_CONTENT:
+      if(part->encoder)
+        sz = read_encoded_part_content(part, buffer, bufsize);
+      else
+        sz = read_part_content(part, buffer, bufsize);
+      switch(sz) {
+      case 0:
+        mimesetstate(&part->state, MIMESTATE_END, NULL);
+        /* Try sparing open file descriptors. */
+        if(part->kind == MIMEKIND_FILE && part->fp) {
+          fclose(part->fp);
+          part->fp = NULL;
+        }
+        /* FALLTHROUGH */
+      case CURL_READFUNC_ABORT:
+      case CURL_READFUNC_PAUSE:
+      case READ_ERROR:
+        return cursize? cursize: sz;
+      }
+      break;
+    case MIMESTATE_END:
+      return cursize;
+    default:
+      break;    /* Other values not in part state. */
+    }
+
+    /* Bump buffer and counters according to read size. */
+    cursize += sz;
+    buffer += sz;
+    bufsize -= sz;
+  }
+
+#ifdef CURL_DOES_CONVERSIONS
+      if(part->easy && convbuf < buffer &&
+         part->state.state < MIMESTATE_BODY) {
+        CURLcode result = Curl_convert_to_network(part->easy, convbuf,
+                                                  buffer - convbuf);
+        if(result)
+          return READ_ERROR;
+      }
+#endif
+
+  return cursize;
+}
+
+/* Readback from mime. */
+static size_t mime_subparts_read(char *buffer, size_t size, size_t nitems,
+                                 void *instream)
+{
+  curl_mime *mime = (curl_mime *) instream;
+  size_t cursize = 0;
+#ifdef CURL_DOES_CONVERSIONS
+  char *convbuf = buffer;
+#endif
+
+  (void) size;   /* Always 1. */
+
+  while(nitems) {
+    size_t sz = 0;
+    curl_mimepart *part = mime->state.ptr;
+    switch(mime->state.state) {
+    case MIMESTATE_BEGIN:
+    case MIMESTATE_BODY:
+#ifdef CURL_DOES_CONVERSIONS
+      convbuf = buffer;
+#endif
+      mimesetstate(&mime->state, MIMESTATE_BOUNDARY1, mime->firstpart);
+      /* The first boundary always follows the header termination empty line,
+         so is always preceded by a CRLK. We can then spare 2 characters
+         by skipping the leading CRLF in boundary. */
+      mime->state.offset += 2;
+      break;
+    case MIMESTATE_BOUNDARY1:
+      sz = readback_bytes(&mime->state, buffer, nitems, "\r\n--", 4, "");
+      if(!sz)
+        mimesetstate(&mime->state, MIMESTATE_BOUNDARY2, part);
+      break;
+    case MIMESTATE_BOUNDARY2:
+      sz = readback_bytes(&mime->state, buffer, nitems, mime->boundary,
+                          strlen(mime->boundary), part? "\r\n": "--\r\n");
+      if(!sz) {
+#ifdef CURL_DOES_CONVERSIONS
+        if(mime->easy && convbuf < buffer) {
+          CURLcode result = Curl_convert_to_network(mime->easy, convbuf,
+                                                    buffer - convbuf);
+          if(result)
+            return READ_ERROR;
+          convbuf = buffer;
+        }
+#endif
+        mimesetstate(&mime->state, MIMESTATE_CONTENT, part);
+      }
+      break;
+    case MIMESTATE_CONTENT:
+      if(!part) {
+        mimesetstate(&mime->state, MIMESTATE_END, NULL);
+        break;
+      }
+      sz = readback_part(part, buffer, nitems);
+      switch(sz) {
+      case CURL_READFUNC_ABORT:
+      case CURL_READFUNC_PAUSE:
+      case READ_ERROR:
+        return cursize? cursize: sz;
+      case 0:
+#ifdef CURL_DOES_CONVERSIONS
+        convbuf = buffer;
+#endif
+        mimesetstate(&mime->state, MIMESTATE_BOUNDARY1, part->nextpart);
+        break;
+      }
+      break;
+    case MIMESTATE_END:
+      return cursize;
+    default:
+      break;    /* other values not used in mime state. */
+    }
+
+    /* Bump buffer and counters according to read size. */
+    cursize += sz;
+    buffer += sz;
+    nitems -= sz;
+  }
+
+#ifdef CURL_DOES_CONVERSIONS
+      if(mime->easy && convbuf < buffer &&
+         mime->state.state <= MIMESTATE_CONTENT) {
+        CURLcode result = Curl_convert_to_network(mime->easy, convbuf,
+                                                  buffer - convbuf);
+        if(result)
+          return READ_ERROR;
+      }
+#endif
+
+  return cursize;
+}
+
+static int mime_part_rewind(curl_mimepart *part)
+{
+  int res = CURL_SEEKFUNC_OK;
+  enum mimestate targetstate = MIMESTATE_BEGIN;
+
+  if(part->flags & MIME_BODY_ONLY)
+    targetstate = MIMESTATE_BODY;
+  cleanup_encoder_state(&part->encstate);
+  if(part->state.state > targetstate) {
+    res = CURL_SEEKFUNC_CANTSEEK;
+    if(part->seekfunc) {
+      res = part->seekfunc(part->arg, (curl_off_t) 0, SEEK_SET);
+      switch(res) {
+      case CURL_SEEKFUNC_OK:
+      case CURL_SEEKFUNC_FAIL:
+      case CURL_SEEKFUNC_CANTSEEK:
+        break;
+      case -1:    /* For fseek() error. */
+        res = CURL_SEEKFUNC_CANTSEEK;
+        break;
+      default:
+        res = CURL_SEEKFUNC_FAIL;
+        break;
+      }
+    }
+  }
+
+  if(res == CURL_SEEKFUNC_OK)
+    mimesetstate(&part->state, targetstate, NULL);
+
+  return res;
+}
+
+static int mime_subparts_seek(void *instream, curl_off_t offset, int whence)
+{
+  curl_mime *mime = (curl_mime *) instream;
+  curl_mimepart *part;
+  int result = CURL_SEEKFUNC_OK;
+
+  if(whence != SEEK_SET || offset)
+    return CURL_SEEKFUNC_CANTSEEK;    /* Only support full rewind. */
+
+  if(mime->state.state == MIMESTATE_BEGIN)
+   return CURL_SEEKFUNC_OK;           /* Already rewound. */
+
+  for(part = mime->firstpart; part; part = part->nextpart) {
+    int res = mime_part_rewind(part);
+    if(res != CURL_SEEKFUNC_OK)
+      result = res;
+  }
+
+  if(result == CURL_SEEKFUNC_OK)
+    mimesetstate(&mime->state, MIMESTATE_BEGIN, NULL);
+
+  return result;
+}
+
+/* Release part content. */
+static void cleanup_part_content(curl_mimepart *part)
+{
+  if(part->freefunc)
+    part->freefunc(part->arg);
+
+  part->readfunc = NULL;
+  part->seekfunc = NULL;
+  part->freefunc = NULL;
+  part->arg = (void *) part;          /* Defaults to part itself. */
+  part->data = NULL;
+  part->fp = NULL;
+  part->datasize = (curl_off_t) 0;    /* No size yet. */
+  cleanup_encoder_state(&part->encstate);
+  part->kind = MIMEKIND_NONE;
+}
+
+static void mime_subparts_free(void *ptr)
+{
+  curl_mime *mime = (curl_mime *) ptr;
+
+  if(mime && mime->parent) {
+    mime->parent->freefunc = NULL;  /* Be sure we won't be called again. */
+    cleanup_part_content(mime->parent);  /* Avoid dangling pointer in part. */
+  }
+  curl_mime_free(mime);
+}
+
+/* Do not free subparts: unbind them. This is used for the top level only. */
+static void mime_subparts_unbind(void *ptr)
+{
+  curl_mime *mime = (curl_mime *) ptr;
+
+  if(mime && mime->parent) {
+    mime->parent->freefunc = NULL;  /* Be sure we won't be called again. */
+    cleanup_part_content(mime->parent);  /* Avoid dangling pointer in part. */
+    mime->parent = NULL;
+  }
+}
+
+
+void Curl_mime_cleanpart(curl_mimepart *part)
+{
+  cleanup_part_content(part);
+  curl_slist_free_all(part->curlheaders);
+  if(part->flags & MIME_USERHEADERS_OWNER)
+    curl_slist_free_all(part->userheaders);
+  Curl_safefree(part->mimetype);
+  Curl_safefree(part->name);
+  Curl_safefree(part->filename);
+  Curl_mime_initpart(part, part->easy);
+}
+
+/* Recursively delete a mime handle and its parts. */
+void curl_mime_free(curl_mime *mime)
+{
+  curl_mimepart *part;
+
+  if(mime) {
+    mime_subparts_unbind(mime);  /* Be sure it's not referenced anymore. */
+    while(mime->firstpart) {
+      part = mime->firstpart;
+      mime->firstpart = part->nextpart;
+      Curl_mime_cleanpart(part);
+      free(part);
+    }
+
+    free(mime->boundary);
+    free(mime);
+  }
+}
+
+CURLcode Curl_mime_duppart(curl_mimepart *dst, const curl_mimepart *src)
+{
+  curl_mime *mime;
+  curl_mimepart *d;
+  const curl_mimepart *s;
+  CURLcode res = CURLE_OK;
+
+  /* Duplicate content. */
+  switch(src->kind) {
+  case MIMEKIND_NONE:
+    break;
+  case MIMEKIND_DATA:
+    res = curl_mime_data(dst, src->data, (size_t) src->datasize);
+    break;
+  case MIMEKIND_FILE:
+    res = curl_mime_filedata(dst, src->data);
+    /* Do not abort duplication if file is not readable. */
+    if(res == CURLE_READ_ERROR)
+      res = CURLE_OK;
+    break;
+  case MIMEKIND_CALLBACK:
+    res = curl_mime_data_cb(dst, src->datasize, src->readfunc,
+                            src->seekfunc, src->freefunc, src->arg);
+    break;
+  case MIMEKIND_MULTIPART:
+    /* No one knows about the cloned subparts, thus always attach ownership
+       to the part. */
+    mime = curl_mime_init(dst->easy);
+    res = mime? curl_mime_subparts(dst, mime): CURLE_OUT_OF_MEMORY;
+
+    /* Duplicate subparts. */
+    for(s = ((curl_mime *) src->arg)->firstpart; !res && s; s = s->nextpart) {
+      d = curl_mime_addpart(mime);
+      res = d? Curl_mime_duppart(d, s): CURLE_OUT_OF_MEMORY;
+    }
+    break;
+  default:  /* Invalid kind: should not occur. */
+    res = CURLE_BAD_FUNCTION_ARGUMENT;  /* Internal error? */
+    break;
+  }
+
+  /* Duplicate headers. */
+  if(!res && src->userheaders) {
+    struct curl_slist *hdrs = Curl_slist_duplicate(src->userheaders);
+
+    if(!hdrs)
+      res = CURLE_OUT_OF_MEMORY;
+    else {
+      /* No one but this procedure knows about the new header list,
+         so always take ownership. */
+      res = curl_mime_headers(dst, hdrs, TRUE);
+      if(res)
+        curl_slist_free_all(hdrs);
+    }
+  }
+
+  /* Duplicate other fields. */
+  if(dst != NULL)
+    dst->encoder = src->encoder;
+  else
+    res = CURLE_WRITE_ERROR;
+  if(!res)
+    res = curl_mime_type(dst, src->mimetype);
+  if(!res)
+    res = curl_mime_name(dst, src->name);
+  if(!res)
+    res = curl_mime_filename(dst, src->filename);
+
+  /* If an error occurred, rollback. */
+  if(res && dst)
+    Curl_mime_cleanpart(dst);
+
+  return res;
+}
+
+/*
+ * Mime build functions.
+ */
+
+/* Create a mime handle. */
+curl_mime *curl_mime_init(struct Curl_easy *easy)
+{
+  curl_mime *mime;
+
+  mime = (curl_mime *) malloc(sizeof(*mime));
+
+  if(mime) {
+    mime->easy = easy;
+    mime->parent = NULL;
+    mime->firstpart = NULL;
+    mime->lastpart = NULL;
+
+    /* Get a part boundary. */
+    mime->boundary = malloc(24 + MIME_RAND_BOUNDARY_CHARS + 1);
+    if(!mime->boundary) {
+      free(mime);
+      return NULL;
+    }
+
+    memset(mime->boundary, '-', 24);
+    if(Curl_rand_hex(easy, (unsigned char *) mime->boundary + 24,
+                     MIME_RAND_BOUNDARY_CHARS + 1)) {
+      /* failed to get random separator, bail out */
+      free(mime->boundary);
+      free(mime);
+      return NULL;
+    }
+    mimesetstate(&mime->state, MIMESTATE_BEGIN, NULL);
+  }
+
+  return mime;
+}
+
+/* Initialize a mime part. */
+void Curl_mime_initpart(curl_mimepart *part, struct Curl_easy *easy)
+{
+  memset((char *) part, 0, sizeof(*part));
+  part->easy = easy;
+  mimesetstate(&part->state, MIMESTATE_BEGIN, NULL);
+}
+
+/* Create a mime part and append it to a mime handle's part list. */
+curl_mimepart *curl_mime_addpart(curl_mime *mime)
+{
+  curl_mimepart *part;
+
+  if(!mime)
+    return NULL;
+
+  part = (curl_mimepart *) malloc(sizeof(*part));
+
+  if(part) {
+    Curl_mime_initpart(part, mime->easy);
+    part->parent = mime;
+
+    if(mime->lastpart)
+      mime->lastpart->nextpart = part;
+    else
+      mime->firstpart = part;
+
+    mime->lastpart = part;
+  }
+
+  return part;
+}
+
+/* Set mime part name. */
+CURLcode curl_mime_name(curl_mimepart *part, const char *name)
+{
+  if(!part)
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+
+  Curl_safefree(part->name);
+  part->name = NULL;
+
+  if(name) {
+    part->name = strdup(name);
+    if(!part->name)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  return CURLE_OK;
+}
+
+/* Set mime part remote file name. */
+CURLcode curl_mime_filename(curl_mimepart *part, const char *filename)
+{
+  if(!part)
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+
+  Curl_safefree(part->filename);
+  part->filename = NULL;
+
+  if(filename) {
+    part->filename = strdup(filename);
+    if(!part->filename)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  return CURLE_OK;
+}
+
+/* Set mime part content from memory data. */
+CURLcode curl_mime_data(curl_mimepart *part,
+                        const char *data, size_t datasize)
+{
+  if(!part)
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+
+  cleanup_part_content(part);
+
+  if(data) {
+    if(datasize == CURL_ZERO_TERMINATED)
+      datasize = strlen(data);
+
+    part->data = malloc(datasize + 1);
+    if(!part->data)
+      return CURLE_OUT_OF_MEMORY;
+
+    part->datasize = datasize;
+
+    if(datasize)
+      memcpy(part->data, data, datasize);
+    part->data[datasize] = '\0';    /* Set a nul terminator as sentinel. */
+
+    part->readfunc = mime_mem_read;
+    part->seekfunc = mime_mem_seek;
+    part->freefunc = mime_mem_free;
+    part->kind = MIMEKIND_DATA;
+  }
+
+  return CURLE_OK;
+}
+
+/* Set mime part content from named local file. */
+CURLcode curl_mime_filedata(curl_mimepart *part, const char *filename)
+{
+  CURLcode result = CURLE_OK;
+
+  if(!part)
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+
+  cleanup_part_content(part);
+
+  if(filename) {
+    char *base;
+    struct_stat sbuf;
+
+    if(stat(filename, &sbuf) || access(filename, R_OK))
+      result = CURLE_READ_ERROR;
+
+    part->data = strdup(filename);
+    if(!part->data)
+      result = CURLE_OUT_OF_MEMORY;
+
+    part->datasize = -1;
+    if(!result && S_ISREG(sbuf.st_mode)) {
+      part->datasize = filesize(filename, sbuf);
+      part->seekfunc = mime_file_seek;
+    }
+
+    part->readfunc = mime_file_read;
+    part->freefunc = mime_file_free;
+    part->kind = MIMEKIND_FILE;
+
+    /* As a side effect, set the filename to the current file's base name.
+       It is possible to withdraw this by explicitly calling
+       curl_mime_filename() with a NULL filename argument after the current
+       call. */
+    base = strippath(filename);
+    if(!base)
+      result = CURLE_OUT_OF_MEMORY;
+    else {
+      CURLcode res = curl_mime_filename(part, base);
+
+      if(res)
+        result = res;
+      free(base);
+    }
+  }
+  return result;
+}
+
+/* Set mime part type. */
+CURLcode curl_mime_type(curl_mimepart *part, const char *mimetype)
+{
+  if(!part)
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+
+  Curl_safefree(part->mimetype);
+  part->mimetype = NULL;
+
+  if(mimetype) {
+    part->mimetype = strdup(mimetype);
+    if(!part->mimetype)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  return CURLE_OK;
+}
+
+/* Set mime data transfer encoder. */
+CURLcode curl_mime_encoder(curl_mimepart *part, const char *encoding)
+{
+  CURLcode result = CURLE_BAD_FUNCTION_ARGUMENT;
+  const mime_encoder *mep;
+
+  if(!part)
+    return result;
+
+  part->encoder = NULL;
+
+  if(!encoding)
+    return CURLE_OK;    /* Removing current encoder. */
+
+  for(mep = encoders; mep->name; mep++)
+    if(strcasecompare(encoding, mep->name)) {
+      part->encoder = mep;
+      result = CURLE_OK;
+    }
+
+  return result;
+}
+
+/* Set mime part headers. */
+CURLcode curl_mime_headers(curl_mimepart *part,
+                           struct curl_slist *headers, int take_ownership)
+{
+  if(!part)
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+
+  if(part->flags & MIME_USERHEADERS_OWNER) {
+    if(part->userheaders != headers)  /* Allow setting twice the same list. */
+      curl_slist_free_all(part->userheaders);
+    part->flags &= ~MIME_USERHEADERS_OWNER;
+  }
+  part->userheaders = headers;
+  if(headers && take_ownership)
+    part->flags |= MIME_USERHEADERS_OWNER;
+  return CURLE_OK;
+}
+
+/* Set mime part content from callback. */
+CURLcode curl_mime_data_cb(curl_mimepart *part, curl_off_t datasize,
+                           curl_read_callback readfunc,
+                           curl_seek_callback seekfunc,
+                           curl_free_callback freefunc, void *arg)
+{
+  if(!part)
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+
+  cleanup_part_content(part);
+
+  if(readfunc) {
+    part->readfunc = readfunc;
+    part->seekfunc = seekfunc;
+    part->freefunc = freefunc;
+    part->arg = arg;
+    part->datasize = datasize;
+    part->kind = MIMEKIND_CALLBACK;
+  }
+
+  return CURLE_OK;
+}
+
+/* Set mime part content from subparts. */
+CURLcode Curl_mime_set_subparts(curl_mimepart *part,
+                                curl_mime *subparts, int take_ownership)
+{
+  curl_mime *root;
+
+  if(!part)
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+
+  /* Accept setting twice the same subparts. */
+  if(part->kind == MIMEKIND_MULTIPART && part->arg == subparts)
+    return CURLE_OK;
+
+  cleanup_part_content(part);
+
+  if(subparts) {
+    /* Must belong to the same data handle. */
+    if(part->easy && subparts->easy && part->easy != subparts->easy)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+
+    /* Should not have been attached already. */
+    if(subparts->parent)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+
+    /* Should not be the part's root. */
+    root = part->parent;
+    if(root) {
+      while(root->parent && root->parent->parent)
+        root = root->parent->parent;
+      if(subparts == root) {
+        if(part->easy)
+          failf(part->easy, "Can't add itself as a subpart!");
+        return CURLE_BAD_FUNCTION_ARGUMENT;
+      }
+    }
+
+    subparts->parent = part;
+    part->readfunc = mime_subparts_read;
+    part->seekfunc = mime_subparts_seek;
+    part->freefunc = take_ownership? mime_subparts_free: mime_subparts_unbind;
+    part->arg = subparts;
+    part->datasize = -1;
+    part->kind = MIMEKIND_MULTIPART;
+  }
+
+  return CURLE_OK;
+}
+
+CURLcode curl_mime_subparts(curl_mimepart *part, curl_mime *subparts)
+{
+  return Curl_mime_set_subparts(part, subparts, TRUE);
+}
+
+
+/* Readback from top mime. */
+/* Argument is the dummy top part. */
+size_t Curl_mime_read(char *buffer, size_t size, size_t nitems, void *instream)
+{
+  curl_mimepart *part = (curl_mimepart *) instream;
+
+  (void) size;   /* Always 1. */
+  return readback_part(part, buffer, nitems);
+}
+
+/* Rewind mime stream. */
+CURLcode Curl_mime_rewind(curl_mimepart *part)
+{
+  return mime_part_rewind(part) == CURL_SEEKFUNC_OK?
+         CURLE_OK: CURLE_SEND_FAIL_REWIND;
+}
+
+/* Compute header list size. */
+static size_t slist_size(struct curl_slist *s,
+                         size_t overhead, const char *skip)
+{
+  size_t size = 0;
+  size_t skiplen = skip? strlen(skip): 0;
+
+  for(; s; s = s->next)
+    if(!skip || !match_header(s, skip, skiplen))
+      size += strlen(s->data) + overhead;
+  return size;
+}
+
+/* Get/compute multipart size. */
+static curl_off_t multipart_size(curl_mime *mime)
+{
+  curl_off_t size;
+  size_t boundarysize;
+  curl_mimepart *part;
+
+  if(!mime)
+    return 0;           /* Not present -> empty. */
+
+  boundarysize = 4 + strlen(mime->boundary) + 2;
+  size = boundarysize;  /* Final boundary - CRLF after headers. */
+
+  for(part = mime->firstpart; part; part = part->nextpart) {
+    curl_off_t sz = Curl_mime_size(part);
+
+    if(sz < 0)
+      size = sz;
+
+    if(size >= 0)
+      size += boundarysize + sz;
+  }
+
+  return size;
+}
+
+/* Get/compute mime size. */
+curl_off_t Curl_mime_size(curl_mimepart *part)
+{
+  curl_off_t size;
+
+  if(part->kind == MIMEKIND_MULTIPART)
+    part->datasize = multipart_size(part->arg);
+
+  size = part->datasize;
+
+  if(part->encoder)
+    size = part->encoder->sizefunc(part);
+
+  if(size >= 0 && !(part->flags & MIME_BODY_ONLY)) {
+    /* Compute total part size. */
+    size += slist_size(part->curlheaders, 2, NULL);
+    size += slist_size(part->userheaders, 2, "Content-Type");
+    size += 2;    /* CRLF after headers. */
+  }
+  return size;
+}
+
+/* Add a header. */
+/* VARARGS2 */
+CURLcode Curl_mime_add_header(struct curl_slist **slp, const char *fmt, ...)
+{
+  struct curl_slist *hdr = NULL;
+  char *s = NULL;
+  va_list ap;
+
+  va_start(ap, fmt);
+  s = curl_mvaprintf(fmt, ap);
+  va_end(ap);
+
+  if(s) {
+    hdr = Curl_slist_append_nodup(*slp, s);
+    if(hdr)
+      *slp = hdr;
+    else
+      free(s);
+  }
+
+  return hdr? CURLE_OK: CURLE_OUT_OF_MEMORY;
+}
+
+/* Add a content type header. */
+static CURLcode add_content_type(struct curl_slist **slp,
+                                 const char *type, const char *boundary)
+{
+  return Curl_mime_add_header(slp, "Content-Type: %s%s%s", type,
+                              boundary? "; boundary=": "",
+                              boundary? boundary: "");
+}
+
+const char *Curl_mime_contenttype(const char *filename)
+{
+  /*
+   * If no content type was specified, we scan through a few well-known
+   * extensions and pick the first we match!
+   */
+  struct ContentType {
+    const char *extension;
+    const char *type;
+  };
+  static const struct ContentType ctts[] = {
+    {".gif",  "image/gif"},
+    {".jpg",  "image/jpeg"},
+    {".jpeg", "image/jpeg"},
+    {".png",  "image/png"},
+    {".svg",  "image/svg+xml"},
+    {".txt",  "text/plain"},
+    {".htm",  "text/html"},
+    {".html", "text/html"},
+    {".pdf",  "application/pdf"},
+    {".xml",  "application/xml"}
+  };
+
+  if(filename) {
+    size_t len1 = strlen(filename);
+    const char *nameend = filename + len1;
+    unsigned int i;
+
+    for(i = 0; i < sizeof(ctts) / sizeof(ctts[0]); i++) {
+      size_t len2 = strlen(ctts[i].extension);
+
+      if(len1 >= len2 && strcasecompare(nameend - len2, ctts[i].extension))
+          return ctts[i].type;
+    }
+  }
+  return NULL;
+}
+
+CURLcode Curl_mime_prepare_headers(curl_mimepart *part,
+                                   const char *contenttype,
+                                   const char *disposition,
+                                   enum mimestrategy strategy)
+{
+  curl_mime *mime = NULL;
+  const char *boundary = NULL;
+  char *customct;
+  const char *cte = NULL;
+  CURLcode ret = CURLE_OK;
+
+  /* Get rid of previously prepared headers. */
+  curl_slist_free_all(part->curlheaders);
+  part->curlheaders = NULL;
+
+  /* Be sure we won't access old headers later. */
+  if(part->state.state == MIMESTATE_CURLHEADERS)
+    mimesetstate(&part->state, MIMESTATE_CURLHEADERS, NULL);
+
+  /* Check if content type is specified. */
+  customct = part->mimetype;
+  if(!customct)
+    customct = search_header(part->userheaders, "Content-Type");
+  if(customct)
+    contenttype = customct;
+
+  /* If content type is not specified, try to determine it. */
+  if(!contenttype) {
+    switch(part->kind) {
+    case MIMEKIND_MULTIPART:
+      contenttype = MULTIPART_CONTENTTYPE_DEFAULT;
+      break;
+    case MIMEKIND_FILE:
+      contenttype = Curl_mime_contenttype(part->filename);
+      if(!contenttype)
+        contenttype = Curl_mime_contenttype(part->data);
+      if(!contenttype && part->filename)
+        contenttype = FILE_CONTENTTYPE_DEFAULT;
+      break;
+    default:
+      contenttype = Curl_mime_contenttype(part->filename);
+      break;
+    }
+  }
+
+  if(part->kind == MIMEKIND_MULTIPART) {
+    mime = (curl_mime *) part->arg;
+    if(mime)
+      boundary = mime->boundary;
+  }
+  else if(contenttype && !customct &&
+          strcasecompare(contenttype, "text/plain"))
+    if(strategy == MIMESTRATEGY_MAIL || !part->filename)
+      contenttype = NULL;
+
+  /* Issue content-disposition header only if not already set by caller. */
+  if(!search_header(part->userheaders, "Content-Disposition")) {
+    if(!disposition)
+      if(part->filename || part->name ||
+        (contenttype && !strncasecompare(contenttype, "multipart/", 10)))
+          disposition = DISPOSITION_DEFAULT;
+    if(disposition && curl_strequal(disposition, "attachment") &&
+     !part->name && !part->filename)
+      disposition = NULL;
+    if(disposition) {
+      char *name = NULL;
+      char *filename = NULL;
+
+      if(part->name) {
+        name = escape_string(part->name);
+        if(!name)
+          ret = CURLE_OUT_OF_MEMORY;
+      }
+      if(!ret && part->filename) {
+        filename = escape_string(part->filename);
+        if(!filename)
+          ret = CURLE_OUT_OF_MEMORY;
+      }
+      if(!ret)
+        ret = Curl_mime_add_header(&part->curlheaders,
+                                   "Content-Disposition: %s%s%s%s%s%s%s",
+                                   disposition,
+                                   name? "; name=\"": "",
+                                   name? name: "",
+                                   name? "\"": "",
+                                   filename? "; filename=\"": "",
+                                   filename? filename: "",
+                                   filename? "\"": "");
+      Curl_safefree(name);
+      Curl_safefree(filename);
+      if(ret)
+        return ret;
+      }
+    }
+
+  /* Issue Content-Type header. */
+  if(contenttype) {
+    ret = add_content_type(&part->curlheaders, contenttype, boundary);
+    if(ret)
+      return ret;
+  }
+
+  /* Content-Transfer-Encoding header. */
+  if(!search_header(part->userheaders, "Content-Transfer-Encoding")) {
+    if(part->encoder)
+      cte = part->encoder->name;
+    else if(contenttype && strategy == MIMESTRATEGY_MAIL &&
+     part->kind != MIMEKIND_MULTIPART)
+      cte = "8bit";
+    if(cte) {
+      ret = Curl_mime_add_header(&part->curlheaders,
+                                 "Content-Transfer-Encoding: %s", cte);
+      if(ret)
+        return ret;
+    }
+  }
+
+  /* If we were reading curl-generated headers, restart with new ones (this
+     should not occur). */
+  if(part->state.state == MIMESTATE_CURLHEADERS)
+    mimesetstate(&part->state, MIMESTATE_CURLHEADERS, part->curlheaders);
+
+  /* Process subparts. */
+  if(part->kind == MIMEKIND_MULTIPART && mime) {
+    curl_mimepart *subpart;
+
+    disposition = NULL;
+    if(strcasecompare(contenttype, "multipart/form-data"))
+      disposition = "form-data";
+    for(subpart = mime->firstpart; subpart; subpart = subpart->nextpart) {
+      ret = Curl_mime_prepare_headers(subpart, NULL, disposition, strategy);
+      if(ret)
+        return ret;
+    }
+  }
+  return ret;
+}
+
+#else /* !CURL_DISABLE_HTTP || !CURL_DISABLE_SMTP || !CURL_DISABLE_IMAP */
+
+/* Mime not compiled in: define stubs for externally-referenced functions. */
+curl_mime *curl_mime_init(CURL *easy)
+{
+  (void) easy;
+  return NULL;
+}
+
+void curl_mime_free(curl_mime *mime)
+{
+  (void) mime;
+}
+
+curl_mimepart *curl_mime_addpart(curl_mime *mime)
+{
+  (void) mime;
+  return NULL;
+}
+
+CURLcode curl_mime_name(curl_mimepart *part, const char *name)
+{
+  (void) part;
+  (void) name;
+  return CURLE_NOT_BUILT_IN;
+}
+
+CURLcode curl_mime_filename(curl_mimepart *part, const char *filename)
+{
+  (void) part;
+  (void) filename;
+  return CURLE_NOT_BUILT_IN;
+}
+
+CURLcode curl_mime_type(curl_mimepart *part, const char *mimetype)
+{
+  (void) part;
+  (void) mimetype;
+  return CURLE_NOT_BUILT_IN;
+}
+
+CURLcode curl_mime_encoder(curl_mimepart *part, const char *encoding)
+{
+  (void) part;
+  (void) encoding;
+  return CURLE_NOT_BUILT_IN;
+}
+
+CURLcode curl_mime_data(curl_mimepart *part,
+                        const char *data, size_t datasize)
+{
+  (void) part;
+  (void) data;
+  (void) datasize;
+  return CURLE_NOT_BUILT_IN;
+}
+
+CURLcode curl_mime_filedata(curl_mimepart *part, const char *filename)
+{
+  (void) part;
+  (void) filename;
+  return CURLE_NOT_BUILT_IN;
+}
+
+CURLcode curl_mime_data_cb(curl_mimepart *part,
+                           curl_off_t datasize,
+                           curl_read_callback readfunc,
+                           curl_seek_callback seekfunc,
+                           curl_free_callback freefunc,
+                           void *arg)
+{
+  (void) part;
+  (void) datasize;
+  (void) readfunc;
+  (void) seekfunc;
+  (void) freefunc;
+  (void) arg;
+  return CURLE_NOT_BUILT_IN;
+}
+
+CURLcode curl_mime_subparts(curl_mimepart *part, curl_mime *subparts)
+{
+  (void) part;
+  (void) subparts;
+  return CURLE_NOT_BUILT_IN;
+}
+
+CURLcode curl_mime_headers(curl_mimepart *part,
+                           struct curl_slist *headers, int take_ownership)
+{
+  (void) part;
+  (void) headers;
+  (void) take_ownership;
+  return CURLE_NOT_BUILT_IN;
+}
+
+void Curl_mime_initpart(curl_mimepart *part, struct Curl_easy *easy)
+{
+  (void) part;
+  (void) easy;
+}
+
+void Curl_mime_cleanpart(curl_mimepart *part)
+{
+  (void) part;
+}
+
+CURLcode Curl_mime_duppart(curl_mimepart *dst, const curl_mimepart *src)
+{
+  (void) dst;
+  (void) src;
+  return CURLE_OK;    /* Nothing to duplicate: always succeed. */
+}
+
+CURLcode Curl_mime_set_subparts(curl_mimepart *part,
+                                curl_mime *subparts, int take_ownership)
+{
+  (void) part;
+  (void) subparts;
+  (void) take_ownership;
+  return CURLE_NOT_BUILT_IN;
+}
+
+CURLcode Curl_mime_prepare_headers(curl_mimepart *part,
+                                   const char *contenttype,
+                                   const char *disposition,
+                                   enum mimestrategy strategy)
+{
+  (void) part;
+  (void) contenttype;
+  (void) disposition;
+  (void) strategy;
+  return CURLE_NOT_BUILT_IN;
+}
+
+curl_off_t Curl_mime_size(curl_mimepart *part)
+{
+  (void) part;
+  return (curl_off_t) -1;
+}
+
+size_t Curl_mime_read(char *buffer, size_t size, size_t nitems, void *instream)
+{
+  (void) buffer;
+  (void) size;
+  (void) nitems;
+  (void) instream;
+  return 0;
+}
+
+CURLcode Curl_mime_rewind(curl_mimepart *part)
+{
+  (void) part;
+  return CURLE_NOT_BUILT_IN;
+}
+
+/* VARARGS2 */
+CURLcode Curl_mime_add_header(struct curl_slist **slp, const char *fmt, ...)
+{
+  (void) slp;
+  (void) fmt;
+  return CURLE_NOT_BUILT_IN;
+}
+
+#endif /* !CURL_DISABLE_HTTP || !CURL_DISABLE_SMTP || !CURL_DISABLE_IMAP */
Index: trunk/src/libs/curl-7.64.0/lib/mime.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/mime.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/mime.h	(revision 85671)
@@ -0,0 +1,143 @@
+#ifndef HEADER_CURL_MIME_H
+#define HEADER_CURL_MIME_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#define MIME_RAND_BOUNDARY_CHARS        16  /* Nb. of random boundary chars. */
+#define MAX_ENCODED_LINE_LENGTH         76  /* Maximum encoded line length. */
+#define ENCODING_BUFFER_SIZE            256 /* Encoding temp buffers size. */
+
+/* Part flags. */
+#define MIME_USERHEADERS_OWNER  (1 << 0)
+#define MIME_BODY_ONLY          (1 << 1)
+
+#define FILE_CONTENTTYPE_DEFAULT        "application/octet-stream"
+#define MULTIPART_CONTENTTYPE_DEFAULT   "multipart/mixed"
+#define DISPOSITION_DEFAULT             "attachment"
+
+/* Part source kinds. */
+enum mimekind {
+  MIMEKIND_NONE = 0,            /* Part not set. */
+  MIMEKIND_DATA,                /* Allocated mime data. */
+  MIMEKIND_FILE,                /* Data from file. */
+  MIMEKIND_CALLBACK,            /* Data from `read' callback. */
+  MIMEKIND_MULTIPART,           /* Data is a mime subpart. */
+  MIMEKIND_LAST
+};
+
+/* Readback state tokens. */
+enum mimestate {
+  MIMESTATE_BEGIN,              /* Readback has not yet started. */
+  MIMESTATE_CURLHEADERS,        /* In curl-generated headers. */
+  MIMESTATE_USERHEADERS,        /* In caller's supplied headers. */
+  MIMESTATE_EOH,                /* End of headers. */
+  MIMESTATE_BODY,               /* Placeholder. */
+  MIMESTATE_BOUNDARY1,          /* In boundary prefix. */
+  MIMESTATE_BOUNDARY2,          /* In boundary. */
+  MIMESTATE_CONTENT,            /* In content. */
+  MIMESTATE_END,                /* End of part reached. */
+  MIMESTATE_LAST
+};
+
+/* Mime headers strategies. */
+enum mimestrategy {
+  MIMESTRATEGY_MAIL,            /* Mime mail. */
+  MIMESTRATEGY_FORM,            /* HTTP post form. */
+  MIMESTRATEGY_LAST
+};
+
+/* Content transfer encoder. */
+typedef struct {
+  const char *   name;          /* Encoding name. */
+  size_t         (*encodefunc)(char *buffer, size_t size, bool ateof,
+                             curl_mimepart *part);  /* Encoded read. */
+  curl_off_t     (*sizefunc)(curl_mimepart *part);  /* Encoded size. */
+}  mime_encoder;
+
+/* Content transfer encoder state. */
+typedef struct {
+  size_t         pos;           /* Position on output line. */
+  size_t         bufbeg;        /* Next data index in input buffer. */
+  size_t         bufend;        /* First unused byte index in input buffer. */
+  char           buf[ENCODING_BUFFER_SIZE]; /* Input buffer. */
+}  mime_encoder_state;
+
+/* Mime readback state. */
+typedef struct {
+  enum mimestate state;       /* Current state token. */
+  void *ptr;                  /* State-dependent pointer. */
+  size_t offset;              /* State-dependent offset. */
+}  mime_state;
+
+/* A mime multipart. */
+struct curl_mime_s {
+  struct Curl_easy *easy;          /* The associated easy handle. */
+  curl_mimepart *parent;           /* Parent part. */
+  curl_mimepart *firstpart;        /* First part. */
+  curl_mimepart *lastpart;         /* Last part. */
+  char *boundary;                  /* The part boundary. */
+  mime_state state;                /* Current readback state. */
+};
+
+/* A mime part. */
+struct curl_mimepart_s {
+  struct Curl_easy *easy;          /* The associated easy handle. */
+  curl_mime *parent;               /* Parent mime structure. */
+  curl_mimepart *nextpart;         /* Forward linked list. */
+  enum mimekind kind;              /* The part kind. */
+  char *data;                      /* Memory data or file name. */
+  curl_read_callback readfunc;     /* Read function. */
+  curl_seek_callback seekfunc;     /* Seek function. */
+  curl_free_callback freefunc;     /* Argument free function. */
+  void *arg;                       /* Argument to callback functions. */
+  FILE *fp;                        /* File pointer. */
+  struct curl_slist *curlheaders;  /* Part headers. */
+  struct curl_slist *userheaders;  /* Part headers. */
+  char *mimetype;                  /* Part mime type. */
+  char *filename;                  /* Remote file name. */
+  char *name;                      /* Data name. */
+  curl_off_t datasize;             /* Expected data size. */
+  unsigned int flags;              /* Flags. */
+  mime_state state;                /* Current readback state. */
+  const mime_encoder *encoder;     /* Content data encoder. */
+  mime_encoder_state encstate;     /* Data encoder state. */
+};
+
+
+/* Prototypes. */
+void Curl_mime_initpart(curl_mimepart *part, struct Curl_easy *easy);
+void Curl_mime_cleanpart(curl_mimepart *part);
+CURLcode Curl_mime_duppart(curl_mimepart *dst, const curl_mimepart *src);
+CURLcode Curl_mime_set_subparts(curl_mimepart *part,
+                                curl_mime *subparts, int take_ownership);
+CURLcode Curl_mime_prepare_headers(curl_mimepart *part,
+                                   const char *contenttype,
+                                   const char *disposition,
+                                   enum mimestrategy strategy);
+curl_off_t Curl_mime_size(curl_mimepart *part);
+size_t Curl_mime_read(char *buffer, size_t size, size_t nitems,
+                      void *instream);
+CURLcode Curl_mime_rewind(curl_mimepart *part);
+CURLcode Curl_mime_add_header(struct curl_slist **slp, const char *fmt, ...);
+const char *Curl_mime_contenttype(const char *filename);
+
+#endif /* HEADER_CURL_MIME_H */
Index: trunk/src/libs/curl-7.64.0/lib/mk-ca-bundle.pl
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/mk-ca-bundle.pl	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/mk-ca-bundle.pl	(revision 85671)
@@ -0,0 +1,558 @@
+#!/usr/bin/env perl
+# ***************************************************************************
+# *                                  _   _ ____  _
+# *  Project                     ___| | | |  _ \| |
+# *                             / __| | | | |_) | |
+# *                            | (__| |_| |  _ <| |___
+# *                             \___|\___/|_| \_\_____|
+# *
+# * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+# *
+# * This software is licensed as described in the file COPYING, which
+# * you should have received as part of this distribution. The terms
+# * are also available at https://curl.haxx.se/docs/copyright.html.
+# *
+# * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# * copies of the Software, and permit persons to whom the Software is
+# * furnished to do so, under the terms of the COPYING file.
+# *
+# * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# * KIND, either express or implied.
+# *
+# ***************************************************************************
+# This Perl script creates a fresh ca-bundle.crt file for use with libcurl.
+# It downloads certdata.txt from Mozilla's source tree (see URL below),
+# then parses certdata.txt and extracts CA Root Certificates into PEM format.
+# These are then processed with the OpenSSL commandline tool to produce the
+# final ca-bundle.crt file.
+# The script is based on the parse-certs script written by Roland Krikava.
+# This Perl script works on almost any platform since its only external
+# dependency is the OpenSSL commandline tool for optional text listing.
+# Hacked by Guenter Knauf.
+#
+use Encode;
+use Getopt::Std;
+use MIME::Base64;
+use strict;
+use warnings;
+use vars qw($opt_b $opt_d $opt_f $opt_h $opt_i $opt_k $opt_l $opt_m $opt_n $opt_p $opt_q $opt_s $opt_t $opt_u $opt_v $opt_w);
+use List::Util;
+use Text::Wrap;
+my $MOD_SHA = "Digest::SHA";
+eval "require $MOD_SHA";
+if ($@) {
+  $MOD_SHA = "Digest::SHA::PurePerl";
+  eval "require $MOD_SHA";
+}
+eval "require LWP::UserAgent";
+
+my %urls = (
+  'nss' =>
+    'https://hg.mozilla.org/projects/nss/raw-file/default/lib/ckfw/builtins/certdata.txt',
+  'central' =>
+    'https://hg.mozilla.org/mozilla-central/raw-file/default/security/nss/lib/ckfw/builtins/certdata.txt',
+  'beta' =>
+    'https://hg.mozilla.org/releases/mozilla-beta/raw-file/default/security/nss/lib/ckfw/builtins/certdata.txt',
+  'release' =>
+    'https://hg.mozilla.org/releases/mozilla-release/raw-file/default/security/nss/lib/ckfw/builtins/certdata.txt',
+);
+
+$opt_d = 'release';
+
+# If the OpenSSL commandline is not in search path you can configure it here!
+my $openssl = 'openssl';
+
+my $version = '1.27';
+
+$opt_w = 76; # default base64 encoded lines length
+
+# default cert types to include in the output (default is to include CAs which may issue SSL server certs)
+my $default_mozilla_trust_purposes = "SERVER_AUTH";
+my $default_mozilla_trust_levels = "TRUSTED_DELEGATOR";
+$opt_p = $default_mozilla_trust_purposes . ":" . $default_mozilla_trust_levels;
+
+my @valid_mozilla_trust_purposes = (
+  "DIGITAL_SIGNATURE",
+  "NON_REPUDIATION",
+  "KEY_ENCIPHERMENT",
+  "DATA_ENCIPHERMENT",
+  "KEY_AGREEMENT",
+  "KEY_CERT_SIGN",
+  "CRL_SIGN",
+  "SERVER_AUTH",
+  "CLIENT_AUTH",
+  "CODE_SIGNING",
+  "EMAIL_PROTECTION",
+  "IPSEC_END_SYSTEM",
+  "IPSEC_TUNNEL",
+  "IPSEC_USER",
+  "TIME_STAMPING",
+  "STEP_UP_APPROVED"
+);
+
+my @valid_mozilla_trust_levels = (
+  "TRUSTED_DELEGATOR",    # CAs
+  "NOT_TRUSTED",          # Don't trust these certs.
+  "MUST_VERIFY_TRUST",    # This explicitly tells us that it ISN'T a CA but is otherwise ok. In other words, this should tell the app to ignore any other sources that claim this is a CA.
+  "TRUSTED"               # This cert is trusted, but only for itself and not for delegates (i.e. it is not a CA).
+);
+
+my $default_signature_algorithms = $opt_s = "MD5";
+
+my @valid_signature_algorithms = (
+  "MD5",
+  "SHA1",
+  "SHA256",
+  "SHA384",
+  "SHA512"
+);
+
+$0 =~ s@.*(/|\\)@@;
+$Getopt::Std::STANDARD_HELP_VERSION = 1;
+getopts('bd:fhiklmnp:qs:tuvw:');
+
+if(!defined($opt_d)) {
+    # to make plain "-d" use not cause warnings, and actually still work
+    $opt_d = 'release';
+}
+
+# Use predefined URL or else custom URL specified on command line.
+my $url;
+if(defined($urls{$opt_d})) {
+  $url = $urls{$opt_d};
+  if(!$opt_k && $url !~ /^https:\/\//i) {
+    die "The URL for '$opt_d' is not HTTPS. Use -k to override (insecure).\n";
+  }
+}
+else {
+  $url = $opt_d;
+}
+
+my $curl = `curl -V`;
+
+if ($opt_i) {
+  print ("=" x 78 . "\n");
+  print "Script Version                   : $version\n";
+  print "Perl Version                     : $]\n";
+  print "Operating System Name            : $^O\n";
+  print "Getopt::Std.pm Version           : ${Getopt::Std::VERSION}\n";
+  print "Encode::Encoding.pm Version      : ${Encode::Encoding::VERSION}\n";
+  print "MIME::Base64.pm Version          : ${MIME::Base64::VERSION}\n";
+  print "LWP::UserAgent.pm Version        : ${LWP::UserAgent::VERSION}\n" if($LWP::UserAgent::VERSION);
+  print "LWP.pm Version                   : ${LWP::VERSION}\n" if($LWP::VERSION);
+  print "Digest::SHA.pm Version           : ${Digest::SHA::VERSION}\n" if ($Digest::SHA::VERSION);
+  print "Digest::SHA::PurePerl.pm Version : ${Digest::SHA::PurePerl::VERSION}\n" if ($Digest::SHA::PurePerl::VERSION);
+  print ("=" x 78 . "\n");
+}
+
+sub warning_message() {
+  if ( $opt_d =~ m/^risk$/i ) { # Long Form Warning and Exit
+    print "Warning: Use of this script may pose some risk:\n";
+    print "\n";
+    print "  1) If you use HTTP URLs they are subject to a man in the middle attack\n";
+    print "  2) Default to 'release', but more recent updates may be found in other trees\n";
+    print "  3) certdata.txt file format may change, lag time to update this script\n";
+    print "  4) Generally unwise to blindly trust CAs without manual review & verification\n";
+    print "  5) Mozilla apps use additional security checks aren't represented in certdata\n";
+    print "  6) Use of this script will make a security engineer grind his teeth and\n";
+    print "     swear at you.  ;)\n";
+    exit;
+  } else { # Short Form Warning
+    print "Warning: Use of this script may pose some risk, -d risk for more details.\n";
+  }
+}
+
+sub HELP_MESSAGE() {
+  print "Usage:\t${0} [-b] [-d<certdata>] [-f] [-i] [-k] [-l] [-n] [-p<purposes:levels>] [-q] [-s<algorithms>] [-t] [-u] [-v] [-w<l>] [<outputfile>]\n";
+  print "\t-b\tbackup an existing version of ca-bundle.crt\n";
+  print "\t-d\tspecify Mozilla tree to pull certdata.txt or custom URL\n";
+  print "\t\t  Valid names are:\n";
+  print "\t\t    ", join( ", ", map { ( $_ =~ m/$opt_d/ ) ? "$_ (default)" : "$_" } sort keys %urls ), "\n";
+  print "\t-f\tforce rebuild even if certdata.txt is current\n";
+  print "\t-i\tprint version info about used modules\n";
+  print "\t-k\tallow URLs other than HTTPS, enable HTTP fallback (insecure)\n";
+  print "\t-l\tprint license info about certdata.txt\n";
+  print "\t-m\tinclude meta data in output\n";
+  print "\t-n\tno download of certdata.txt (to use existing)\n";
+  print wrap("\t","\t\t", "-p\tlist of Mozilla trust purposes and levels for certificates to include in output. Takes the form of a comma separated list of purposes, a colon, and a comma separated list of levels. (default: $default_mozilla_trust_purposes:$default_mozilla_trust_levels)"), "\n";
+  print "\t\t  Valid purposes are:\n";
+  print wrap("\t\t    ","\t\t    ", join( ", ", "ALL", @valid_mozilla_trust_purposes ) ), "\n";
+  print "\t\t  Valid levels are:\n";
+  print wrap("\t\t    ","\t\t    ", join( ", ", "ALL", @valid_mozilla_trust_levels ) ), "\n";
+  print "\t-q\tbe really quiet (no progress output at all)\n";
+  print wrap("\t","\t\t", "-s\tcomma separated list of certificate signatures/hashes to output in plain text mode. (default: $default_signature_algorithms)\n");
+  print "\t\t  Valid signature algorithms are:\n";
+  print wrap("\t\t    ","\t\t    ", join( ", ", "ALL", @valid_signature_algorithms ) ), "\n";
+  print "\t-t\tinclude plain text listing of certificates\n";
+  print "\t-u\tunlink (remove) certdata.txt after processing\n";
+  print "\t-v\tbe verbose and print out processed CAs\n";
+  print "\t-w <l>\twrap base64 output lines after <l> chars (default: ${opt_w})\n";
+  exit;
+}
+
+sub VERSION_MESSAGE() {
+  print "${0} version ${version} running Perl ${]} on ${^O}\n";
+}
+
+warning_message() unless ($opt_q || $url =~ m/^(ht|f)tps:/i );
+HELP_MESSAGE() if ($opt_h);
+
+sub report($@) {
+  my $output = shift;
+
+  print STDERR $output . "\n" unless $opt_q;
+}
+
+sub is_in_list($@) {
+  my $target = shift;
+
+  return defined(List::Util::first { $target eq $_ } @_);
+}
+
+# Parses $param_string as a case insensitive comma separated list with optional whitespace
+# validates that only allowed parameters are supplied
+sub parse_csv_param($$@) {
+  my $description = shift;
+  my $param_string = shift;
+  my @valid_values = @_;
+
+  my @values = map {
+    s/^\s+//;  # strip leading spaces
+    s/\s+$//;  # strip trailing spaces
+    uc $_      # return the modified string as upper case
+  } split( ',', $param_string );
+
+  # Find all values which are not in the list of valid values or "ALL"
+  my @invalid = grep { !is_in_list($_,"ALL",@valid_values) } @values;
+
+  if ( scalar(@invalid) > 0 ) {
+    # Tell the user which parameters were invalid and print the standard help message which will exit
+    print "Error: Invalid ", $description, scalar(@invalid) == 1 ? ": " : "s: ", join( ", ", map { "\"$_\"" } @invalid ), "\n";
+    HELP_MESSAGE();
+  }
+
+  @values = @valid_values if ( is_in_list("ALL",@values) );
+
+  return @values;
+}
+
+sub sha256 {
+  my $result;
+  if ($Digest::SHA::VERSION || $Digest::SHA::PurePerl::VERSION) {
+    open(FILE, $_[0]) or die "Can't open '$_[0]': $!";
+    binmode(FILE);
+    $result = $MOD_SHA->new(256)->addfile(*FILE)->hexdigest;
+    close(FILE);
+  } else {
+    # Use OpenSSL command if Perl Digest::SHA modules not available
+    $result = `"$openssl" dgst -r -sha256 "$_[0]"`;
+    $result =~ s/^([0-9a-f]{64}) .+/$1/is;
+  }
+  return $result;
+}
+
+
+sub oldhash {
+  my $hash = "";
+  open(C, "<$_[0]") || return 0;
+  while(<C>) {
+    chomp;
+    if($_ =~ /^\#\# SHA256: (.*)/) {
+      $hash = $1;
+      last;
+    }
+  }
+  close(C);
+  return $hash;
+}
+
+if ( $opt_p !~ m/:/ ) {
+  print "Error: Mozilla trust identifier list must include both purposes and levels\n";
+  HELP_MESSAGE();
+}
+
+(my $included_mozilla_trust_purposes_string, my $included_mozilla_trust_levels_string) = split( ':', $opt_p );
+my @included_mozilla_trust_purposes = parse_csv_param( "trust purpose", $included_mozilla_trust_purposes_string, @valid_mozilla_trust_purposes );
+my @included_mozilla_trust_levels = parse_csv_param( "trust level", $included_mozilla_trust_levels_string, @valid_mozilla_trust_levels );
+
+my @included_signature_algorithms = parse_csv_param( "signature algorithm", $opt_s, @valid_signature_algorithms );
+
+sub should_output_cert(%) {
+  my %trust_purposes_by_level = @_;
+
+  foreach my $level (@included_mozilla_trust_levels) {
+    # for each level we want to output, see if any of our desired purposes are included
+    return 1 if ( defined( List::Util::first { is_in_list( $_, @included_mozilla_trust_purposes ) } @{$trust_purposes_by_level{$level}} ) );
+  }
+
+  return 0;
+}
+
+my $crt = $ARGV[0] || 'ca-bundle.crt';
+(my $txt = $url) =~ s@(.*/|\?.*)@@g;
+
+my $stdout = $crt eq '-';
+my $resp;
+my $fetched;
+
+my $oldhash = oldhash($crt);
+
+report "SHA256 of old file: $oldhash";
+
+if(!$opt_n) {
+  report "Downloading $txt ...";
+
+  # If we have an HTTPS URL then use curl
+  if($url =~ /^https:\/\//i) {
+    if($curl) {
+      if($curl =~ /^Protocols:.* https( |$)/m) {
+        report "Get certdata with curl!";
+        my $proto = !$opt_k ? "--proto =https" : "";
+        my $quiet = $opt_q ? "-s" : "";
+        my @out = `curl -w %{response_code} $proto $quiet -o "$txt" "$url"`;
+        if(!$? && @out && $out[0] == 200) {
+          $fetched = 1;
+          report "Downloaded $txt";
+        }
+        else {
+          report "Failed downloading via HTTPS with curl";
+          if(-e $txt && !unlink($txt)) {
+            report "Failed to remove '$txt': $!";
+          }
+        }
+      }
+      else {
+        report "curl lacks https support";
+      }
+    }
+    else {
+      report "curl not found";
+    }
+  }
+
+  # If nothing was fetched then use LWP
+  if(!$fetched) {
+    if($url =~ /^https:\/\//i) {
+      report "Falling back to HTTP";
+      $url =~ s/^https:\/\//http:\/\//i;
+    }
+    if(!$opt_k) {
+      report "URLs other than HTTPS are disabled by default, to enable use -k";
+      exit 1;
+    }
+    report "Get certdata with LWP!";
+    if(!defined(${LWP::UserAgent::VERSION})) {
+      report "LWP is not available (LWP::UserAgent not found)";
+      exit 1;
+    }
+    my $ua  = new LWP::UserAgent(agent => "$0/$version");
+    $ua->env_proxy();
+    $resp = $ua->mirror($url, $txt);
+    if($resp && $resp->code eq '304') {
+      report "Not modified";
+      exit 0 if -e $crt && !$opt_f;
+    }
+    else {
+      $fetched = 1;
+      report "Downloaded $txt";
+    }
+    if(!$resp || $resp->code !~ /^(?:200|304)$/) {
+      report "Unable to download latest data: "
+        . ($resp? $resp->code . ' - ' . $resp->message : "LWP failed");
+      exit 1 if -e $crt || ! -r $txt;
+    }
+  }
+}
+
+my $filedate = $resp ? $resp->last_modified : (stat($txt))[9];
+my $datesrc = "as of";
+if(!$filedate) {
+    # mxr.mozilla.org gave us a time, hg.mozilla.org does not!
+    $filedate = time();
+    $datesrc="downloaded on";
+}
+
+# get the hash from the download file
+my $newhash= sha256($txt);
+
+if(!$opt_f && $oldhash eq $newhash) {
+    report "Downloaded file identical to previous run\'s source file. Exiting";
+    if($opt_u && -e $txt && !unlink($txt)) {
+        report "Failed to remove $txt: $!\n";
+    }
+    exit;
+}
+
+report "SHA256 of new file: $newhash";
+
+my $currentdate = scalar gmtime($filedate);
+
+my $format = $opt_t ? "plain text and " : "";
+if( $stdout ) {
+    open(CRT, '> -') or die "Couldn't open STDOUT: $!\n";
+} else {
+    open(CRT,">$crt.~") or die "Couldn't open $crt.~: $!\n";
+}
+print CRT <<EOT;
+##
+## Bundle of CA Root Certificates
+##
+## Certificate data from Mozilla ${datesrc}: ${currentdate} GMT
+##
+## This is a bundle of X.509 certificates of public Certificate Authorities
+## (CA). These were automatically extracted from Mozilla's root certificates
+## file (certdata.txt).  This file can be found in the mozilla source tree:
+## ${url}
+##
+## It contains the certificates in ${format}PEM format and therefore
+## can be directly used with curl / libcurl / php_curl, or with
+## an Apache+mod_ssl webserver for SSL client authentication.
+## Just configure this file as the SSLCACertificateFile.
+##
+## Conversion done with mk-ca-bundle.pl version $version.
+## SHA256: $newhash
+##
+
+EOT
+
+report "Processing  '$txt' ...";
+my $caname;
+my $certnum = 0;
+my $skipnum = 0;
+my $start_of_cert = 0;
+my @precert;
+
+open(TXT,"$txt") or die "Couldn't open $txt: $!\n";
+while (<TXT>) {
+  if (/\*\*\*\*\* BEGIN LICENSE BLOCK \*\*\*\*\*/) {
+    print CRT;
+    print if ($opt_l);
+    while (<TXT>) {
+      print CRT;
+      print if ($opt_l);
+      last if (/\*\*\*\*\* END LICENSE BLOCK \*\*\*\*\*/);
+    }
+  }
+  elsif(/^# (Issuer|Serial Number|Subject|Not Valid Before|Not Valid After |Fingerprint \(MD5\)|Fingerprint \(SHA1\)):/) {
+      push @precert, $_;
+      next;
+  }
+  elsif(/^#|^\s*$/) {
+      undef @precert;
+      next;
+  }
+  chomp;
+
+  # this is a match for the start of a certificate
+  if (/^CKA_CLASS CK_OBJECT_CLASS CKO_CERTIFICATE/) {
+    $start_of_cert = 1
+  }
+  if ($start_of_cert && /^CKA_LABEL UTF8 \"(.*)\"/) {
+    $caname = $1;
+  }
+  my %trust_purposes_by_level;
+  if ($start_of_cert && /^CKA_VALUE MULTILINE_OCTAL/) {
+    my $data;
+    while (<TXT>) {
+      last if (/^END/);
+      chomp;
+      my @octets = split(/\\/);
+      shift @octets;
+      for (@octets) {
+        $data .= chr(oct);
+      }
+    }
+    # scan forwards until the trust part
+    while (<TXT>) {
+      last if (/^CKA_CLASS CK_OBJECT_CLASS CKO_NSS_TRUST/);
+      chomp;
+    }
+    # now scan the trust part to determine how we should trust this cert
+    while (<TXT>) {
+      last if (/^#/);
+      if (/^CKA_TRUST_([A-Z_]+)\s+CK_TRUST\s+CKT_NSS_([A-Z_]+)\s*$/) {
+        if ( !is_in_list($1,@valid_mozilla_trust_purposes) ) {
+          report "Warning: Unrecognized trust purpose for cert: $caname. Trust purpose: $1. Trust Level: $2";
+        } elsif ( !is_in_list($2,@valid_mozilla_trust_levels) ) {
+          report "Warning: Unrecognized trust level for cert: $caname. Trust purpose: $1. Trust Level: $2";
+        } else {
+          push @{$trust_purposes_by_level{$2}}, $1;
+        }
+      }
+    }
+
+    if ( !should_output_cert(%trust_purposes_by_level) ) {
+      $skipnum ++;
+      report "Skipping: $caname" if ($opt_v);
+    } else {
+      my $encoded = MIME::Base64::encode_base64($data, '');
+      $encoded =~ s/(.{1,${opt_w}})/$1\n/g;
+      my $pem = "-----BEGIN CERTIFICATE-----\n"
+              . $encoded
+              . "-----END CERTIFICATE-----\n";
+      print CRT "\n$caname\n";
+      print CRT @precert if($opt_m);
+      my $maxStringLength = length(decode('UTF-8', $caname, Encode::FB_CROAK | Encode::LEAVE_SRC));
+      if ($opt_t) {
+        foreach my $key (keys %trust_purposes_by_level) {
+           my $string = $key . ": " . join(", ", @{$trust_purposes_by_level{$key}});
+           $maxStringLength = List::Util::max( length($string), $maxStringLength );
+           print CRT $string . "\n";
+        }
+      }
+      print CRT ("=" x $maxStringLength . "\n");
+      if (!$opt_t) {
+        print CRT $pem;
+      } else {
+        my $pipe = "";
+        foreach my $hash (@included_signature_algorithms) {
+          $pipe = "|$openssl x509 -" . $hash . " -fingerprint -noout -inform PEM";
+          if (!$stdout) {
+            $pipe .= " >> $crt.~";
+            close(CRT) or die "Couldn't close $crt.~: $!";
+          }
+          open(TMP, $pipe) or die "Couldn't open openssl pipe: $!";
+          print TMP $pem;
+          close(TMP) or die "Couldn't close openssl pipe: $!";
+          if (!$stdout) {
+            open(CRT, ">>$crt.~") or die "Couldn't open $crt.~: $!";
+          }
+        }
+        $pipe = "|$openssl x509 -text -inform PEM";
+        if (!$stdout) {
+          $pipe .= " >> $crt.~";
+          close(CRT) or die "Couldn't close $crt.~: $!";
+        }
+        open(TMP, $pipe) or die "Couldn't open openssl pipe: $!";
+        print TMP $pem;
+        close(TMP) or die "Couldn't close openssl pipe: $!";
+        if (!$stdout) {
+          open(CRT, ">>$crt.~") or die "Couldn't open $crt.~: $!";
+        }
+      }
+      report "Parsing: $caname" if ($opt_v);
+      $certnum ++;
+      $start_of_cert = 0;
+    }
+    undef @precert;
+  }
+
+}
+close(TXT) or die "Couldn't close $txt: $!\n";
+close(CRT) or die "Couldn't close $crt.~: $!\n";
+unless( $stdout ) {
+    if ($opt_b && -e $crt) {
+        my $bk = 1;
+        while (-e "$crt.~${bk}~") {
+            $bk++;
+        }
+        rename $crt, "$crt.~${bk}~" or die "Failed to create backup $crt.~$bk}~: $!\n";
+    } elsif( -e $crt ) {
+        unlink( $crt ) or die "Failed to remove $crt: $!\n";
+    }
+    rename "$crt.~", $crt or die "Failed to rename $crt.~ to $crt: $!\n";
+}
+if($opt_u && -e $txt && !unlink($txt)) {
+  report "Failed to remove $txt: $!\n";
+}
+report "Done ($certnum CA certs processed, $skipnum skipped).";
Index: trunk/src/libs/curl-7.64.0/lib/mk-ca-bundle.vbs
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/mk-ca-bundle.vbs	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/mk-ca-bundle.vbs	(revision 85671)
@@ -0,0 +1,431 @@
+'***************************************************************************
+'*                                  _   _ ____  _
+'*  Project                     ___| | | |  _ \| |
+'*                             / __| | | | |_) | |
+'*                            | (__| |_| |  _ <| |___
+'*                             \___|\___/|_| \_\_____|
+'*
+'* Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+'*
+'* This software is licensed as described in the file COPYING, which
+'* you should have received as part of this distribution. The terms
+'* are also available at https://curl.haxx.se/docs/copyright.html.
+'*
+'* You may opt to use, copy, modify, merge, publish, distribute and/or sell
+'* copies of the Software, and permit persons to whom the Software is
+'* furnished to do so, under the terms of the COPYING file.
+'*
+'* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+'* KIND, either express or implied.
+'*
+'***************************************************************************
+'* Script to fetch certdata.txt from Mozilla.org site and create a
+'* ca-bundle.crt for use with OpenSSL / libcurl / libcurl bindings
+'* Requires WinHttp.WinHttpRequest.5.1 and ADODB.Stream which are part of
+'* W2000 SP3 or later, WXP SP1 or later, W2003 Server SP1 or later.
+'* Hacked by Guenter Knauf
+'***************************************************************************
+Option Explicit
+Const myVersion = "0.4.0"
+
+Const myUrl = "https://hg.mozilla.org/releases/mozilla-release/raw-file/default/security/nss/lib/ckfw/builtins/certdata.txt"
+
+Const myOpenSSL = "openssl.exe"
+Dim myUseOpenSSL
+myUseOpenSSL = TRUE          ' Flag: TRUE to use OpenSSL. If TRUE and is not
+                             ' found then a warning is shown before continuing.
+
+Const myCdSavF = TRUE        ' Flag: save downloaded data to file certdata.txt
+Const myCaBakF = TRUE        ' Flag: backup existing ca-bundle certificate
+Const myAskLiF = TRUE        ' Flag: display certdata.txt license agreement
+Const myWrapLe = 76          ' Default length of base64 output lines
+
+' cert info code doesn't work properly with any recent openssl, leave disabled.
+' Also: we want our certificate output by default to be as similar as possible
+' to mk-ca-bundle.pl and setting this TRUE changes the base64 width to
+' OpenSSL's built-in default width, which is not the same as mk-ca-bundle.pl.
+Const myAskTiF = FALSE       ' Flag: ask to include certificate text info
+
+'
+'******************* Nothing to configure below! *******************
+'
+Const adTypeBinary = 1
+Const adTypeText = 2
+Const adSaveCreateNotExist = 1
+Const adSaveCreateOverWrite = 2
+Dim objShell, objNetwork, objFSO, objHttp
+Dim myBase, mySelf, myStream, myTmpFh, myCdData, myCdFile
+Dim myCaFile, myTmpName, myBakNum, myOptTxt, i
+Set objNetwork = WScript.CreateObject("WScript.Network")
+Set objShell = WScript.CreateObject("WScript.Shell")
+Set objFSO = WScript.CreateObject("Scripting.FileSystemObject")
+Set objHttp = WScript.CreateObject("WinHttp.WinHttpRequest.5.1")
+If objHttp Is Nothing Then Set objHttp = WScript.CreateObject("WinHttp.WinHttpRequest")
+myBase = Left(WScript.ScriptFullName, InstrRev(WScript.ScriptFullName, "\"))
+mySelf = Left(WScript.ScriptName, InstrRev(WScript.ScriptName, ".") - 1) & " " & myVersion
+
+myCdFile = Mid(myUrl, InstrRev(myUrl, "/") + 1)
+myCaFile = "ca-bundle.crt"
+myTmpName = InputBox("It will take a minute to download and parse the " & _
+                     "certificate data." & _
+                     vbLf & vbLf & _
+                     "Please enter the output filename:", mySelf, myCaFile)
+If (myTmpName = "") Then
+  WScript.Quit 1
+End If
+myCaFile = myTmpName
+If (myCdFile = "") Then
+  MsgBox("URL does not contain filename!"), vbCritical, mySelf
+  WScript.Quit 1
+End If
+
+' Don't use OpenSSL if it's not present.
+If (myUseOpenSSL = TRUE) Then
+  Dim errnum
+
+  On Error Resume Next
+  Call objShell.Run("""" & myOpenSSL & """ version", 0, TRUE)
+  errnum = Err.Number
+  On Error GoTo 0
+
+  If Not (errnum = 0) Then
+    myUseOpenSSL = FALSE
+    MsgBox("OpenSSL was not found so the certificate bundle will not " & _
+           "include the SHA256 hash of the raw certificate data file " & _
+           "that was used to generate the certificates in the bundle. " & _
+           vbLf & vbLf & _
+           "This does not have any effect on the certificate output, " & _
+           "so this script will continue." & _
+           vbLf & vbLf & _
+           "If you want to set a custom location for OpenSSL or disable " & _
+           "this message then edit the variables at the start of the " & _
+           "script."), vbInformation, mySelf
+  End If
+End If
+
+If (myAskTiF = TRUE) And (myUseOpenSSL = TRUE) Then
+  If (6 = objShell.PopUp("Do you want to include text information about " & _
+                         "each certificate?" & vbLf & _
+                         "(Requires OpenSSL.exe in the current directory " & _
+                         "or search path)",, _
+          mySelf, vbQuestion + vbYesNo + vbDefaultButton2)) Then
+    myOptTxt = TRUE
+  Else
+    myOptTxt = FALSE
+  End If
+End If
+
+' Uncomment the line below to ignore SSL invalid cert errors
+' objHttp.Option(4) = 256 + 512 + 4096 + 8192
+objHttp.SetTimeouts 0, 5000, 10000, 10000
+objHttp.Open "GET", myUrl, FALSE
+objHttp.setRequestHeader "User-Agent", WScript.ScriptName & "/" & myVersion
+objHttp.Send ""
+If Not (objHttp.Status = 200) Then
+  MsgBox("Failed to download '" & myCdFile & "': " & objHttp.Status & " - " & objHttp.StatusText), vbCritical, mySelf
+  WScript.Quit 1
+End If
+' Write received data to file if enabled
+If (myCdSavF = TRUE) Then
+  Call SaveBinaryData(myCdFile, objHttp.ResponseBody)
+End If
+' Convert data from ResponseBody instead of using ResponseText because of UTF-8
+myCdData = ConvertBinaryToUTF8(objHttp.ResponseBody)
+Set objHttp = Nothing
+' Backup exitsing ca-bundle certificate file
+If (myCaBakF = TRUE) Then
+  If objFSO.FileExists(myCaFile) Then
+    Dim myBakFile, b
+    b = 1
+    myBakFile = myCaFile & ".~" & b & "~"
+    While objFSO.FileExists(myBakFile)
+      b = b + 1
+      myBakFile = myCaFile & ".~" & b & "~"
+    Wend
+    Set myTmpFh = objFSO.GetFile(myCaFile)
+    myTmpFh.Move myBakFile
+  End If
+End If
+
+' Process the received data
+Dim myLines, myPattern, myInsideCert, myInsideLicense, myLicenseText, myNumCerts, myNumSkipped
+Dim myLabel, myOctets, myData, myPem, myRev, myUntrusted, j
+myNumSkipped = 0
+myNumCerts = 0
+myData = ""
+myLines = Split(myCdData, vbLf, -1)
+Set myStream = CreateObject("ADODB.Stream")
+myStream.Open
+myStream.Type = adTypeText
+myStream.Charset = "utf-8"
+myStream.WriteText "##" & vbLf & _
+  "## Bundle of CA Root Certificates" & vbLf & _
+  "##" & vbLf & _
+  "## Certificate data from Mozilla as of: " & _
+    ConvertDateToString(LocalDateToUTC(Now)) & " GMT" & vbLf & _
+  "##" & vbLf & _
+  "## This is a bundle of X.509 certificates of public Certificate Authorities" & vbLf & _
+  "## (CA). These were automatically extracted from Mozilla's root certificates" & vbLf & _
+  "## file (certdata.txt).  This file can be found in the mozilla source tree:" & vbLf & _
+  "## " & myUrl & vbLf & _
+  "##" & vbLf & _
+  "## It contains the certificates in PEM format and therefore" & vbLf & _
+  "## can be directly used with curl / libcurl / php_curl, or with" & vbLf & _
+  "## an Apache+mod_ssl webserver for SSL client authentication." & vbLf & _
+  "## Just configure this file as the SSLCACertificateFile." & vbLf & _
+  "##" & vbLf & _
+  "## Conversion done with mk-ca-bundle.vbs version " & myVersion & "." & vbLf
+If (myCdSavF = TRUE) And (myUseOpenSSL = TRUE) Then
+  myStream.WriteText "## SHA256: " & FileSHA256(myCdFile) & vbLf
+End If
+myStream.WriteText "##" & vbLf & vbLf
+
+myStream.WriteText vbLf
+For i = 0 To UBound(myLines)
+  If InstrRev(myLines(i), "CKA_LABEL ") Then
+    myPattern = "^CKA_LABEL\s+[A-Z0-9]+\s+""(.+?)"""
+    myLabel = RegExprFirst(myPattern, myLines(i))
+  End If
+  If (myInsideCert = TRUE) Then
+    If InstrRev(myLines(i), "END") Then
+      myInsideCert = FALSE
+      While (i < UBound(myLines)) And Not (myLines(i) = "#")
+        i = i + 1
+        If InstrRev(myLines(i), "CKA_TRUST_SERVER_AUTH CK_TRUST CKT_NSS_TRUSTED_DELEGATOR") Then
+          myUntrusted = FALSE
+        End If
+      Wend
+      If (myUntrusted = TRUE) Then
+        myNumSkipped = myNumSkipped + 1
+      Else
+        myStream.WriteText myLabel & vbLf
+        myStream.WriteText String(Len(myLabel), "=") & vbLf
+        myPem = "-----BEGIN CERTIFICATE-----" & vbLf & _
+                Base64Encode(myData) & vbLf & _
+                "-----END CERTIFICATE-----" & vbLf
+        If (myOptTxt = FALSE) Then
+          myStream.WriteText myPem & vbLf
+        Else
+          Dim myCmd, myRval, myTmpIn, myTmpOut
+          myTmpIn = objFSO.GetSpecialFolder(2).Path & "\" & objFSO.GetTempName
+          myTmpOut = objFSO.GetSpecialFolder(2).Path & "\" & objFSO.GetTempName
+          Set myTmpFh = objFSO.OpenTextFile(myTmpIn, 2, TRUE)
+          myTmpFh.Write myPem
+          myTmpFh.Close
+          myCmd = """" & myOpenSSL & """ x509 -md5 -fingerprint -text " & _
+                  "-inform PEM -in " & myTmpIn & " -out " & myTmpOut
+          myRval = objShell.Run (myCmd, 0, TRUE)
+          objFSO.DeleteFile myTmpIn, TRUE
+          If Not (myRval = 0) Then
+            MsgBox("Failed to process PEM cert with OpenSSL commandline!"), vbCritical, mySelf
+            objFSO.DeleteFile myTmpOut, TRUE
+            WScript.Quit 3
+          End If
+          Set myTmpFh = objFSO.OpenTextFile(myTmpOut, 1)
+          myStream.WriteText myTmpFh.ReadAll & vbLf
+          myTmpFh.Close
+          objFSO.DeleteFile myTmpOut, TRUE
+        End If
+        myNumCerts = myNumCerts + 1
+      End If
+    Else
+      myOctets = Split(myLines(i), "\")
+      For j = 1 To UBound(myOctets)
+        myData = myData & Chr(CByte("&o" & myOctets(j)))
+      Next
+    End If
+  End If
+  If InstrRev(myLines(i), "CVS_ID ") Then
+    myPattern = "^CVS_ID\s+""(.+?)"""
+    myRev = RegExprFirst(myPattern, myLines(i))
+    myStream.WriteText "# " & myRev & vbLf & vbLf
+  End If
+  If InstrRev(myLines(i), "CKA_VALUE MULTILINE_OCTAL") Then
+    myInsideCert = TRUE
+    myUntrusted = TRUE
+    myData = ""
+  End If
+  If InstrRev(myLines(i), "***** BEGIN LICENSE BLOCK *****") Then
+    myInsideLicense = TRUE
+  End If
+  If (myInsideLicense = TRUE) Then
+    myStream.WriteText myLines(i) & vbLf
+    myLicenseText = myLicenseText & Mid(myLines(i), 2) & vbLf
+  End If
+  If InstrRev(myLines(i), "***** END LICENSE BLOCK *****") Then
+    myInsideLicense = FALSE
+    If (myAskLiF = TRUE) Then
+      If Not (6 = objShell.PopUp(myLicenseText & vbLf & _
+              "Do you agree to the license shown above (required to proceed) ?",, _
+              mySelf, vbQuestion + vbYesNo + vbDefaultButton1)) Then
+        myStream.Close
+        objFSO.DeleteFile myCaFile, TRUE
+        WScript.Quit 2
+      End If
+    End If
+  End If
+Next
+
+' To stop the UTF-8 BOM from being written the stream has to be copied and
+' then saved as binary.
+Dim myCopy
+Set myCopy = CreateObject("ADODB.Stream")
+myCopy.Type = adTypeBinary
+myCopy.Open
+myStream.Position = 3 ' Skip UTF-8 BOM
+myStream.CopyTo myCopy
+myCopy.SaveToFile myCaFile, adSaveCreateOverWrite
+myCopy.Close
+myStream.Close
+Set myCopy = Nothing
+Set myStream = Nothing
+
+' Done
+objShell.PopUp "Done (" & myNumCerts & " CA certs processed, " & myNumSkipped & _
+               " untrusted skipped).", 20, mySelf, vbInformation
+WScript.Quit 0
+
+Function ConvertBinaryToUTF8(arrBytes)
+  Dim objStream
+  Set objStream = CreateObject("ADODB.Stream")
+  objStream.Open
+  objStream.Type = adTypeBinary
+  objStream.Write arrBytes
+  objStream.Position = 0
+  objStream.Type = adTypeText
+  objStream.Charset = "utf-8"
+  ConvertBinaryToUTF8 = objStream.ReadText
+  Set objStream = Nothing
+End Function
+
+Function SaveBinaryData(filename, data)
+  Dim objStream
+  Set objStream = CreateObject("ADODB.Stream")
+  objStream.Type = adTypeBinary
+  objStream.Open
+  objStream.Write data
+  objStream.SaveToFile filename, adSaveCreateOverWrite
+  objStream.Close
+  Set objStream = Nothing
+End Function
+
+Function RegExprFirst(SearchPattern, TheString)
+  Dim objRegExp, Matches                        ' create variables.
+  Set objRegExp = New RegExp                    ' create a regular expression.
+  objRegExp.Pattern = SearchPattern             ' sets the search pattern.
+  objRegExp.IgnoreCase = TRUE                   ' set to ignores case.
+  objRegExp.Global = TRUE                       ' set to global search.
+  Set Matches = objRegExp.Execute(TheString)    ' do the search.
+  If (Matches.Count) Then
+    RegExprFirst = Matches(0).SubMatches(0)     ' return first match.
+  Else
+    RegExprFirst = ""
+  End If
+  Set objRegExp = Nothing
+End Function
+
+Function Base64Encode(inData)
+  Const Base64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
+  Dim cOut, sOut, lWrap, I
+  lWrap = Int(myWrapLe * 3 / 4)
+
+  'For each group of 3 bytes
+  For I = 1 To Len(inData) Step 3
+    Dim nGroup, pOut, sGroup
+
+    'Create one long from this 3 bytes.
+    nGroup = &H10000 * Asc(Mid(inData, I, 1)) + _
+             &H100 * MyASC(Mid(inData, I + 1, 1)) + _
+             MyASC(Mid(inData, I + 2, 1))
+
+    'Oct splits the long To 8 groups with 3 bits
+    nGroup = Oct(nGroup)
+
+    'Add leading zeros
+    nGroup = String(8 - Len(nGroup), "0") & nGroup
+
+    'Convert To base64
+    pOut = Mid(Base64, CLng("&o" & Mid(nGroup, 1, 2)) + 1, 1) & _
+           Mid(Base64, CLng("&o" & Mid(nGroup, 3, 2)) + 1, 1) & _
+           Mid(Base64, CLng("&o" & Mid(nGroup, 5, 2)) + 1, 1) & _
+           Mid(Base64, CLng("&o" & Mid(nGroup, 7, 2)) + 1, 1)
+
+    'Add the part To OutPut string
+    sOut = sOut + pOut
+
+    'Add a new line For Each myWrapLe chars In dest
+    If (I < Len(inData) - 2) Then
+      If (I + 2) Mod lWrap = 0 Then sOut = sOut & vbLf
+    End If
+  Next
+  Select Case Len(inData) Mod 3
+    Case 1: '8 bit final
+      sOut = Left(sOut, Len(sOut) - 2) & "=="
+    Case 2: '16 bit final
+      sOut = Left(sOut, Len(sOut) - 1) & "="
+  End Select
+  Base64Encode = sOut
+End Function
+
+Function MyASC(OneChar)
+  If OneChar = "" Then MyASC = 0 Else MyASC = Asc(OneChar)
+End Function
+
+' Return the date in the same format as perl to match mk-ca-bundle.pl output:
+' Wed Sep  7 03:12:05 2016
+Function ConvertDateToString(input)
+  Dim output
+  output = WeekDayName(WeekDay(input), TRUE) & " " & _
+           MonthName(Month(input), TRUE) & " "
+  If (Len(Day(input)) = 1) Then
+    output = output & " "
+  End If
+  output = output & _
+           Day(input) & " " & _
+           FormatDateTime(input, vbShortTime) & ":"
+  If (Len(Second(input)) = 1) Then
+    output = output & "0"
+  End If
+  output = output & _
+           Second(input) & " " & _
+           Year(input)
+  ConvertDateToString = output
+End Function
+
+' Convert local Date to UTC. Microsoft says:
+' Use Win32_ComputerSystem CurrentTimeZone property, because it automatically
+' adjusts the Time Zone bias for daylight saving time; Win32_Time Zone Bias
+' property does not.
+' https://msdn.microsoft.com/en-us/library/windows/desktop/ms696015.aspx
+Function LocalDateToUTC(localdate)
+  Dim item, offset
+  For Each item In GetObject("winmgmts:").InstancesOf("Win32_ComputerSystem")
+    offset = item.CurrentTimeZone ' the offset in minutes
+  Next
+  If (offset < 0) Then
+    LocalDateToUTC = DateAdd("n",  ABS(offset), localdate)
+  Else
+    LocalDateToUTC = DateAdd("n", -ABS(offset), localdate)
+  End If
+  'objShell.PopUp LocalDateToUTC
+End Function
+
+Function FileSHA256(filename)
+  Dim cmd, rval, tmpOut, tmpFh
+  if (myUseOpenSSL = TRUE) Then
+    tmpOut = objFSO.GetSpecialFolder(2).Path & "\" & objFSO.GetTempName
+    cmd = """" & myOpenSSL & """ dgst -r -sha256 -out """ & tmpOut & """ """ & filename & """"
+    rval = objShell.Run(cmd, 0, TRUE)
+    If Not (rval = 0) Then
+      MsgBox("Failed to get sha256 of """ & filename & """ with OpenSSL commandline!"), vbCritical, mySelf
+      objFSO.DeleteFile tmpOut, TRUE
+      WScript.Quit 3
+    End If
+    Set tmpFh = objFSO.OpenTextFile(tmpOut, 1)
+    FileSHA256 = RegExprFirst("^([0-9a-f]{64}) .+", tmpFh.ReadAll)
+    tmpFh.Close
+    objFSO.DeleteFile tmpOut, TRUE
+  Else
+    FileSHA256 = ""
+  End If
+End Function
Index: trunk/src/libs/curl-7.64.0/lib/mprintf.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/mprintf.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/mprintf.c	(revision 85671)
@@ -0,0 +1,1173 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1999 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ *
+ * Purpose:
+ *  A merge of Bjorn Reese's format() function and Daniel's dsprintf()
+ *  1.0. A full blooded printf() clone with full support for <num>$
+ *  everywhere (parameters, widths and precisions) including variabled
+ *  sized parameters (like doubles, long longs, long doubles and even
+ *  void * in 64-bit architectures).
+ *
+ * Current restrictions:
+ * - Max 128 parameters
+ * - No 'long double' support.
+ *
+ * If you ever want truly portable and good *printf() clones, the project that
+ * took on from here is named 'Trio' and you find more details on the trio web
+ * page at https://daniel.haxx.se/projects/trio/
+ */
+
+#include "curl_setup.h"
+#include <curl/mprintf.h>
+
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/*
+ * If SIZEOF_SIZE_T has not been defined, default to the size of long.
+ */
+
+#ifdef HAVE_LONGLONG
+#  define LONG_LONG_TYPE long long
+#  define HAVE_LONG_LONG_TYPE
+#else
+#  if defined(_MSC_VER) && (_MSC_VER >= 900) && (_INTEGRAL_MAX_BITS >= 64)
+#    define LONG_LONG_TYPE __int64
+#    define HAVE_LONG_LONG_TYPE
+#  else
+#    undef LONG_LONG_TYPE
+#    undef HAVE_LONG_LONG_TYPE
+#  endif
+#endif
+
+/*
+ * Non-ANSI integer extensions
+ */
+
+#if (defined(__BORLANDC__) && (__BORLANDC__ >= 0x520)) || \
+    (defined(__WATCOMC__) && defined(__386__)) || \
+    (defined(__POCC__) && defined(_MSC_VER)) || \
+    (defined(_WIN32_WCE)) || \
+    (defined(__MINGW32__)) || \
+    (defined(_MSC_VER) && (_MSC_VER >= 900) && (_INTEGRAL_MAX_BITS >= 64))
+#  define MP_HAVE_INT_EXTENSIONS
+#endif
+
+/*
+ * Max integer data types that mprintf.c is capable
+ */
+
+#ifdef HAVE_LONG_LONG_TYPE
+#  define mp_intmax_t LONG_LONG_TYPE
+#  define mp_uintmax_t unsigned LONG_LONG_TYPE
+#else
+#  define mp_intmax_t long
+#  define mp_uintmax_t unsigned long
+#endif
+
+#define BUFFSIZE 326 /* buffer for long-to-str and float-to-str calcs, should
+                        fit negative DBL_MAX (317 letters) */
+#define MAX_PARAMETERS 128 /* lame static limit */
+
+#ifdef __AMIGA__
+# undef FORMAT_INT
+#endif
+
+/* Lower-case digits.  */
+static const char lower_digits[] = "0123456789abcdefghijklmnopqrstuvwxyz";
+
+/* Upper-case digits.  */
+static const char upper_digits[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+#define OUTCHAR(x) \
+  do{ \
+    if(stream((unsigned char)(x), (FILE *)data) != -1) \
+      done++; \
+    else \
+     return done; /* return immediately on failure */ \
+  } WHILE_FALSE
+
+/* Data type to read from the arglist */
+typedef enum {
+  FORMAT_UNKNOWN = 0,
+  FORMAT_STRING,
+  FORMAT_PTR,
+  FORMAT_INT,
+  FORMAT_INTPTR,
+  FORMAT_LONG,
+  FORMAT_LONGLONG,
+  FORMAT_DOUBLE,
+  FORMAT_LONGDOUBLE,
+  FORMAT_WIDTH /* For internal use */
+} FormatType;
+
+/* conversion and display flags */
+enum {
+  FLAGS_NEW        = 0,
+  FLAGS_SPACE      = 1<<0,
+  FLAGS_SHOWSIGN   = 1<<1,
+  FLAGS_LEFT       = 1<<2,
+  FLAGS_ALT        = 1<<3,
+  FLAGS_SHORT      = 1<<4,
+  FLAGS_LONG       = 1<<5,
+  FLAGS_LONGLONG   = 1<<6,
+  FLAGS_LONGDOUBLE = 1<<7,
+  FLAGS_PAD_NIL    = 1<<8,
+  FLAGS_UNSIGNED   = 1<<9,
+  FLAGS_OCTAL      = 1<<10,
+  FLAGS_HEX        = 1<<11,
+  FLAGS_UPPER      = 1<<12,
+  FLAGS_WIDTH      = 1<<13, /* '*' or '*<num>$' used */
+  FLAGS_WIDTHPARAM = 1<<14, /* width PARAMETER was specified */
+  FLAGS_PREC       = 1<<15, /* precision was specified */
+  FLAGS_PRECPARAM  = 1<<16, /* precision PARAMETER was specified */
+  FLAGS_CHAR       = 1<<17, /* %c story */
+  FLAGS_FLOATE     = 1<<18, /* %e or %E */
+  FLAGS_FLOATG     = 1<<19  /* %g or %G */
+};
+
+typedef struct {
+  FormatType type;
+  int flags;
+  long width;     /* width OR width parameter number */
+  long precision; /* precision OR precision parameter number */
+  union {
+    char *str;
+    void *ptr;
+    union {
+      mp_intmax_t as_signed;
+      mp_uintmax_t as_unsigned;
+    } num;
+    double dnum;
+  } data;
+} va_stack_t;
+
+struct nsprintf {
+  char *buffer;
+  size_t length;
+  size_t max;
+};
+
+struct asprintf {
+  char *buffer; /* allocated buffer */
+  size_t len;   /* length of string */
+  size_t alloc; /* length of alloc */
+  int fail;     /* (!= 0) if an alloc has failed and thus
+                   the output is not the complete data */
+};
+
+static long dprintf_DollarString(char *input, char **end)
+{
+  int number = 0;
+  while(ISDIGIT(*input)) {
+    number *= 10;
+    number += *input-'0';
+    input++;
+  }
+  if(number && ('$'==*input++)) {
+    *end = input;
+    return number;
+  }
+  return 0;
+}
+
+static bool dprintf_IsQualifierNoDollar(const char *fmt)
+{
+#if defined(MP_HAVE_INT_EXTENSIONS)
+  if(!strncmp(fmt, "I32", 3) || !strncmp(fmt, "I64", 3)) {
+    return TRUE;
+  }
+#endif
+
+  switch(*fmt) {
+  case '-': case '+': case ' ': case '#': case '.':
+  case '0': case '1': case '2': case '3': case '4':
+  case '5': case '6': case '7': case '8': case '9':
+  case 'h': case 'l': case 'L': case 'z': case 'q':
+  case '*': case 'O':
+#if defined(MP_HAVE_INT_EXTENSIONS)
+  case 'I':
+#endif
+    return TRUE;
+
+  default:
+    return FALSE;
+  }
+}
+
+/******************************************************************
+ *
+ * Pass 1:
+ * Create an index with the type of each parameter entry and its
+ * value (may vary in size)
+ *
+ * Returns zero on success.
+ *
+ ******************************************************************/
+
+static int dprintf_Pass1(const char *format, va_stack_t *vto, char **endpos,
+                         va_list arglist)
+{
+  char *fmt = (char *)format;
+  int param_num = 0;
+  long this_param;
+  long width;
+  long precision;
+  int flags;
+  long max_param = 0;
+  long i;
+
+  while(*fmt) {
+    if(*fmt++ == '%') {
+      if(*fmt == '%') {
+        fmt++;
+        continue; /* while */
+      }
+
+      flags = FLAGS_NEW;
+
+      /* Handle the positional case (N$) */
+
+      param_num++;
+
+      this_param = dprintf_DollarString(fmt, &fmt);
+      if(0 == this_param)
+        /* we got no positional, get the next counter */
+        this_param = param_num;
+
+      if(this_param > max_param)
+        max_param = this_param;
+
+      /*
+       * The parameter with number 'i' should be used. Next, we need
+       * to get SIZE and TYPE of the parameter. Add the information
+       * to our array.
+       */
+
+      width = 0;
+      precision = 0;
+
+      /* Handle the flags */
+
+      while(dprintf_IsQualifierNoDollar(fmt)) {
+#if defined(MP_HAVE_INT_EXTENSIONS)
+        if(!strncmp(fmt, "I32", 3)) {
+          flags |= FLAGS_LONG;
+          fmt += 3;
+        }
+        else if(!strncmp(fmt, "I64", 3)) {
+          flags |= FLAGS_LONGLONG;
+          fmt += 3;
+        }
+        else
+#endif
+
+        switch(*fmt++) {
+        case ' ':
+          flags |= FLAGS_SPACE;
+          break;
+        case '+':
+          flags |= FLAGS_SHOWSIGN;
+          break;
+        case '-':
+          flags |= FLAGS_LEFT;
+          flags &= ~FLAGS_PAD_NIL;
+          break;
+        case '#':
+          flags |= FLAGS_ALT;
+          break;
+        case '.':
+          if('*' == *fmt) {
+            /* The precision is picked from a specified parameter */
+
+            flags |= FLAGS_PRECPARAM;
+            fmt++;
+            param_num++;
+
+            i = dprintf_DollarString(fmt, &fmt);
+            if(i)
+              precision = i;
+            else
+              precision = param_num;
+
+            if(precision > max_param)
+              max_param = precision;
+          }
+          else {
+            flags |= FLAGS_PREC;
+            precision = strtol(fmt, &fmt, 10);
+          }
+          break;
+        case 'h':
+          flags |= FLAGS_SHORT;
+          break;
+#if defined(MP_HAVE_INT_EXTENSIONS)
+        case 'I':
+#if (SIZEOF_CURL_OFF_T > SIZEOF_LONG)
+          flags |= FLAGS_LONGLONG;
+#else
+          flags |= FLAGS_LONG;
+#endif
+          break;
+#endif
+        case 'l':
+          if(flags & FLAGS_LONG)
+            flags |= FLAGS_LONGLONG;
+          else
+            flags |= FLAGS_LONG;
+          break;
+        case 'L':
+          flags |= FLAGS_LONGDOUBLE;
+          break;
+        case 'q':
+          flags |= FLAGS_LONGLONG;
+          break;
+        case 'z':
+          /* the code below generates a warning if -Wunreachable-code is
+             used */
+#if (SIZEOF_SIZE_T > SIZEOF_LONG)
+          flags |= FLAGS_LONGLONG;
+#else
+          flags |= FLAGS_LONG;
+#endif
+          break;
+        case 'O':
+#if (SIZEOF_CURL_OFF_T > SIZEOF_LONG)
+          flags |= FLAGS_LONGLONG;
+#else
+          flags |= FLAGS_LONG;
+#endif
+          break;
+        case '0':
+          if(!(flags & FLAGS_LEFT))
+            flags |= FLAGS_PAD_NIL;
+          /* FALLTHROUGH */
+        case '1': case '2': case '3': case '4':
+        case '5': case '6': case '7': case '8': case '9':
+          flags |= FLAGS_WIDTH;
+          width = strtol(fmt-1, &fmt, 10);
+          break;
+        case '*':  /* Special case */
+          flags |= FLAGS_WIDTHPARAM;
+          param_num++;
+
+          i = dprintf_DollarString(fmt, &fmt);
+          if(i)
+            width = i;
+          else
+            width = param_num;
+          if(width > max_param)
+            max_param = width;
+          break;
+        default:
+          break;
+        }
+      } /* switch */
+
+      /* Handle the specifier */
+
+      i = this_param - 1;
+
+      if((i < 0) || (i >= MAX_PARAMETERS))
+        /* out of allowed range */
+        return 1;
+
+      switch (*fmt) {
+      case 'S':
+        flags |= FLAGS_ALT;
+        /* FALLTHROUGH */
+      case 's':
+        vto[i].type = FORMAT_STRING;
+        break;
+      case 'n':
+        vto[i].type = FORMAT_INTPTR;
+        break;
+      case 'p':
+        vto[i].type = FORMAT_PTR;
+        break;
+      case 'd': case 'i':
+        vto[i].type = FORMAT_INT;
+        break;
+      case 'u':
+        vto[i].type = FORMAT_INT;
+        flags |= FLAGS_UNSIGNED;
+        break;
+      case 'o':
+        vto[i].type = FORMAT_INT;
+        flags |= FLAGS_OCTAL;
+        break;
+      case 'x':
+        vto[i].type = FORMAT_INT;
+        flags |= FLAGS_HEX|FLAGS_UNSIGNED;
+        break;
+      case 'X':
+        vto[i].type = FORMAT_INT;
+        flags |= FLAGS_HEX|FLAGS_UPPER|FLAGS_UNSIGNED;
+        break;
+      case 'c':
+        vto[i].type = FORMAT_INT;
+        flags |= FLAGS_CHAR;
+        break;
+      case 'f':
+        vto[i].type = FORMAT_DOUBLE;
+        break;
+      case 'e':
+        vto[i].type = FORMAT_DOUBLE;
+        flags |= FLAGS_FLOATE;
+        break;
+      case 'E':
+        vto[i].type = FORMAT_DOUBLE;
+        flags |= FLAGS_FLOATE|FLAGS_UPPER;
+        break;
+      case 'g':
+        vto[i].type = FORMAT_DOUBLE;
+        flags |= FLAGS_FLOATG;
+        break;
+      case 'G':
+        vto[i].type = FORMAT_DOUBLE;
+        flags |= FLAGS_FLOATG|FLAGS_UPPER;
+        break;
+      default:
+        vto[i].type = FORMAT_UNKNOWN;
+        break;
+      } /* switch */
+
+      vto[i].flags = flags;
+      vto[i].width = width;
+      vto[i].precision = precision;
+
+      if(flags & FLAGS_WIDTHPARAM) {
+        /* we have the width specified from a parameter, so we make that
+           parameter's info setup properly */
+        long k = width - 1;
+        vto[i].width = k;
+        vto[k].type = FORMAT_WIDTH;
+        vto[k].flags = FLAGS_NEW;
+        /* can't use width or precision of width! */
+        vto[k].width = 0;
+        vto[k].precision = 0;
+      }
+      if(flags & FLAGS_PRECPARAM) {
+        /* we have the precision specified from a parameter, so we make that
+           parameter's info setup properly */
+        long k = precision - 1;
+        vto[i].precision = k;
+        vto[k].type = FORMAT_WIDTH;
+        vto[k].flags = FLAGS_NEW;
+        /* can't use width or precision of width! */
+        vto[k].width = 0;
+        vto[k].precision = 0;
+      }
+      *endpos++ = fmt + 1; /* end of this sequence */
+    }
+  }
+
+  /* Read the arg list parameters into our data list */
+  for(i = 0; i<max_param; i++) {
+    /* Width/precision arguments must be read before the main argument
+       they are attached to */
+    if(vto[i].flags & FLAGS_WIDTHPARAM) {
+      vto[vto[i].width].data.num.as_signed =
+        (mp_intmax_t)va_arg(arglist, int);
+    }
+    if(vto[i].flags & FLAGS_PRECPARAM) {
+      vto[vto[i].precision].data.num.as_signed =
+        (mp_intmax_t)va_arg(arglist, int);
+    }
+
+    switch(vto[i].type) {
+    case FORMAT_STRING:
+      vto[i].data.str = va_arg(arglist, char *);
+      break;
+
+    case FORMAT_INTPTR:
+    case FORMAT_UNKNOWN:
+    case FORMAT_PTR:
+      vto[i].data.ptr = va_arg(arglist, void *);
+      break;
+
+    case FORMAT_INT:
+#ifdef HAVE_LONG_LONG_TYPE
+      if((vto[i].flags & FLAGS_LONGLONG) && (vto[i].flags & FLAGS_UNSIGNED))
+        vto[i].data.num.as_unsigned =
+          (mp_uintmax_t)va_arg(arglist, mp_uintmax_t);
+      else if(vto[i].flags & FLAGS_LONGLONG)
+        vto[i].data.num.as_signed =
+          (mp_intmax_t)va_arg(arglist, mp_intmax_t);
+      else
+#endif
+      {
+        if((vto[i].flags & FLAGS_LONG) && (vto[i].flags & FLAGS_UNSIGNED))
+          vto[i].data.num.as_unsigned =
+            (mp_uintmax_t)va_arg(arglist, unsigned long);
+        else if(vto[i].flags & FLAGS_LONG)
+          vto[i].data.num.as_signed =
+            (mp_intmax_t)va_arg(arglist, long);
+        else if(vto[i].flags & FLAGS_UNSIGNED)
+          vto[i].data.num.as_unsigned =
+            (mp_uintmax_t)va_arg(arglist, unsigned int);
+        else
+          vto[i].data.num.as_signed =
+            (mp_intmax_t)va_arg(arglist, int);
+      }
+      break;
+
+    case FORMAT_DOUBLE:
+      vto[i].data.dnum = va_arg(arglist, double);
+      break;
+
+    case FORMAT_WIDTH:
+      /* Argument has been read. Silently convert it into an integer
+       * for later use
+       */
+      vto[i].type = FORMAT_INT;
+      break;
+
+    default:
+      break;
+    }
+  }
+
+  return 0;
+
+}
+
+static int dprintf_formatf(
+  void *data, /* untouched by format(), just sent to the stream() function in
+                 the second argument */
+  /* function pointer called for each output character */
+  int (*stream)(int, FILE *),
+  const char *format,    /* %-formatted string */
+  va_list ap_save) /* list of parameters */
+{
+  /* Base-36 digits for numbers.  */
+  const char *digits = lower_digits;
+
+  /* Pointer into the format string.  */
+  char *f;
+
+  /* Number of characters written.  */
+  int done = 0;
+
+  long param; /* current parameter to read */
+  long param_num = 0; /* parameter counter */
+
+  va_stack_t vto[MAX_PARAMETERS];
+  char *endpos[MAX_PARAMETERS];
+  char **end;
+
+  char work[BUFFSIZE];
+
+  va_stack_t *p;
+
+  /* 'workend' points to the final buffer byte position, but with an extra
+     byte as margin to avoid the (false?) warning Coverity gives us
+     otherwise */
+  char *workend = &work[sizeof(work) - 2];
+
+  /* Do the actual %-code parsing */
+  if(dprintf_Pass1(format, vto, endpos, ap_save))
+    return -1;
+
+  end = &endpos[0]; /* the initial end-position from the list dprintf_Pass1()
+                       created for us */
+
+  f = (char *)format;
+  while(*f != '\0') {
+    /* Format spec modifiers.  */
+    int is_alt;
+
+    /* Width of a field.  */
+    long width;
+
+    /* Precision of a field.  */
+    long prec;
+
+    /* Decimal integer is negative.  */
+    int is_neg;
+
+    /* Base of a number to be written.  */
+    unsigned long base;
+
+    /* Integral values to be written.  */
+    mp_uintmax_t num;
+
+    /* Used to convert negative in positive.  */
+    mp_intmax_t signed_num;
+
+    char *w;
+
+    if(*f != '%') {
+      /* This isn't a format spec, so write everything out until the next one
+         OR end of string is reached.  */
+      do {
+        OUTCHAR(*f);
+      } while(*++f && ('%' != *f));
+      continue;
+    }
+
+    ++f;
+
+    /* Check for "%%".  Note that although the ANSI standard lists
+       '%' as a conversion specifier, it says "The complete format
+       specification shall be `%%'," so we can avoid all the width
+       and precision processing.  */
+    if(*f == '%') {
+      ++f;
+      OUTCHAR('%');
+      continue;
+    }
+
+    /* If this is a positional parameter, the position must follow immediately
+       after the %, thus create a %<num>$ sequence */
+    param = dprintf_DollarString(f, &f);
+
+    if(!param)
+      param = param_num;
+    else
+      --param;
+
+    param_num++; /* increase this always to allow "%2$s %1$s %s" and then the
+                    third %s will pick the 3rd argument */
+
+    p = &vto[param];
+
+    /* pick up the specified width */
+    if(p->flags & FLAGS_WIDTHPARAM) {
+      width = (long)vto[p->width].data.num.as_signed;
+      param_num++; /* since the width is extracted from a parameter, we
+                      must skip that to get to the next one properly */
+      if(width < 0) {
+        /* "A negative field width is taken as a '-' flag followed by a
+           positive field width." */
+        width = -width;
+        p->flags |= FLAGS_LEFT;
+        p->flags &= ~FLAGS_PAD_NIL;
+      }
+    }
+    else
+      width = p->width;
+
+    /* pick up the specified precision */
+    if(p->flags & FLAGS_PRECPARAM) {
+      prec = (long)vto[p->precision].data.num.as_signed;
+      param_num++; /* since the precision is extracted from a parameter, we
+                      must skip that to get to the next one properly */
+      if(prec < 0)
+        /* "A negative precision is taken as if the precision were
+           omitted." */
+        prec = -1;
+    }
+    else if(p->flags & FLAGS_PREC)
+      prec = p->precision;
+    else
+      prec = -1;
+
+    is_alt = (p->flags & FLAGS_ALT) ? 1 : 0;
+
+    switch(p->type) {
+    case FORMAT_INT:
+      num = p->data.num.as_unsigned;
+      if(p->flags & FLAGS_CHAR) {
+        /* Character.  */
+        if(!(p->flags & FLAGS_LEFT))
+          while(--width > 0)
+            OUTCHAR(' ');
+        OUTCHAR((char) num);
+        if(p->flags & FLAGS_LEFT)
+          while(--width > 0)
+            OUTCHAR(' ');
+        break;
+      }
+      if(p->flags & FLAGS_OCTAL) {
+        /* Octal unsigned integer.  */
+        base = 8;
+        goto unsigned_number;
+      }
+      else if(p->flags & FLAGS_HEX) {
+        /* Hexadecimal unsigned integer.  */
+
+        digits = (p->flags & FLAGS_UPPER)? upper_digits : lower_digits;
+        base = 16;
+        goto unsigned_number;
+      }
+      else if(p->flags & FLAGS_UNSIGNED) {
+        /* Decimal unsigned integer.  */
+        base = 10;
+        goto unsigned_number;
+      }
+
+      /* Decimal integer.  */
+      base = 10;
+
+      is_neg = (p->data.num.as_signed < (mp_intmax_t)0) ? 1 : 0;
+      if(is_neg) {
+        /* signed_num might fail to hold absolute negative minimum by 1 */
+        signed_num = p->data.num.as_signed + (mp_intmax_t)1;
+        signed_num = -signed_num;
+        num = (mp_uintmax_t)signed_num;
+        num += (mp_uintmax_t)1;
+      }
+
+      goto number;
+
+      unsigned_number:
+      /* Unsigned number of base BASE.  */
+      is_neg = 0;
+
+      number:
+      /* Number of base BASE.  */
+
+      /* Supply a default precision if none was given.  */
+      if(prec == -1)
+        prec = 1;
+
+      /* Put the number in WORK.  */
+      w = workend;
+      while(num > 0) {
+        *w-- = digits[num % base];
+        num /= base;
+      }
+      width -= (long)(workend - w);
+      prec -= (long)(workend - w);
+
+      if(is_alt && base == 8 && prec <= 0) {
+        *w-- = '0';
+        --width;
+      }
+
+      if(prec > 0) {
+        width -= prec;
+        while(prec-- > 0)
+          *w-- = '0';
+      }
+
+      if(is_alt && base == 16)
+        width -= 2;
+
+      if(is_neg || (p->flags & FLAGS_SHOWSIGN) || (p->flags & FLAGS_SPACE))
+        --width;
+
+      if(!(p->flags & FLAGS_LEFT) && !(p->flags & FLAGS_PAD_NIL))
+        while(width-- > 0)
+          OUTCHAR(' ');
+
+      if(is_neg)
+        OUTCHAR('-');
+      else if(p->flags & FLAGS_SHOWSIGN)
+        OUTCHAR('+');
+      else if(p->flags & FLAGS_SPACE)
+        OUTCHAR(' ');
+
+      if(is_alt && base == 16) {
+        OUTCHAR('0');
+        if(p->flags & FLAGS_UPPER)
+          OUTCHAR('X');
+        else
+          OUTCHAR('x');
+      }
+
+      if(!(p->flags & FLAGS_LEFT) && (p->flags & FLAGS_PAD_NIL))
+        while(width-- > 0)
+          OUTCHAR('0');
+
+      /* Write the number.  */
+      while(++w <= workend) {
+        OUTCHAR(*w);
+      }
+
+      if(p->flags & FLAGS_LEFT)
+        while(width-- > 0)
+          OUTCHAR(' ');
+      break;
+
+    case FORMAT_STRING:
+            /* String.  */
+      {
+        static const char null[] = "(nil)";
+        const char *str;
+        size_t len;
+
+        str = (char *) p->data.str;
+        if(str == NULL) {
+          /* Write null[] if there's space.  */
+          if(prec == -1 || prec >= (long) sizeof(null) - 1) {
+            str = null;
+            len = sizeof(null) - 1;
+            /* Disable quotes around (nil) */
+            p->flags &= (~FLAGS_ALT);
+          }
+          else {
+            str = "";
+            len = 0;
+          }
+        }
+        else if(prec != -1)
+          len = (size_t)prec;
+        else
+          len = strlen(str);
+
+        width -= (len > LONG_MAX) ? LONG_MAX : (long)len;
+
+        if(p->flags & FLAGS_ALT)
+          OUTCHAR('"');
+
+        if(!(p->flags&FLAGS_LEFT))
+          while(width-- > 0)
+            OUTCHAR(' ');
+
+        for(; len && *str; len--)
+          OUTCHAR(*str++);
+        if(p->flags&FLAGS_LEFT)
+          while(width-- > 0)
+            OUTCHAR(' ');
+
+        if(p->flags & FLAGS_ALT)
+          OUTCHAR('"');
+      }
+      break;
+
+    case FORMAT_PTR:
+      /* Generic pointer.  */
+      {
+        void *ptr;
+        ptr = (void *) p->data.ptr;
+        if(ptr != NULL) {
+          /* If the pointer is not NULL, write it as a %#x spec.  */
+          base = 16;
+          digits = (p->flags & FLAGS_UPPER)? upper_digits : lower_digits;
+          is_alt = 1;
+          num = (size_t) ptr;
+          is_neg = 0;
+          goto number;
+        }
+        else {
+          /* Write "(nil)" for a nil pointer.  */
+          static const char strnil[] = "(nil)";
+          const char *point;
+
+          width -= (long)(sizeof(strnil) - 1);
+          if(p->flags & FLAGS_LEFT)
+            while(width-- > 0)
+              OUTCHAR(' ');
+          for(point = strnil; *point != '\0'; ++point)
+            OUTCHAR(*point);
+          if(! (p->flags & FLAGS_LEFT))
+            while(width-- > 0)
+              OUTCHAR(' ');
+        }
+      }
+      break;
+
+    case FORMAT_DOUBLE:
+      {
+        char formatbuf[32]="%";
+        char *fptr = &formatbuf[1];
+        size_t left = sizeof(formatbuf)-strlen(formatbuf);
+        int len;
+
+        width = -1;
+        if(p->flags & FLAGS_WIDTH)
+          width = p->width;
+        else if(p->flags & FLAGS_WIDTHPARAM)
+          width = (long)vto[p->width].data.num.as_signed;
+
+        prec = -1;
+        if(p->flags & FLAGS_PREC)
+          prec = p->precision;
+        else if(p->flags & FLAGS_PRECPARAM)
+          prec = (long)vto[p->precision].data.num.as_signed;
+
+        if(p->flags & FLAGS_LEFT)
+          *fptr++ = '-';
+        if(p->flags & FLAGS_SHOWSIGN)
+          *fptr++ = '+';
+        if(p->flags & FLAGS_SPACE)
+          *fptr++ = ' ';
+        if(p->flags & FLAGS_ALT)
+          *fptr++ = '#';
+
+        *fptr = 0;
+
+        if(width >= 0) {
+          if(width >= (long)sizeof(work))
+            width = sizeof(work)-1;
+          /* RECURSIVE USAGE */
+          len = curl_msnprintf(fptr, left, "%ld", width);
+          fptr += len;
+          left -= len;
+        }
+        if(prec >= 0) {
+          /* for each digit in the integer part, we can have one less
+             precision */
+          size_t maxprec = sizeof(work) - 2;
+          double val = p->data.dnum;
+          while(val >= 10.0) {
+            val /= 10;
+            maxprec--;
+          }
+
+          if(prec > (long)maxprec)
+            prec = (long)maxprec-1;
+          /* RECURSIVE USAGE */
+          len = curl_msnprintf(fptr, left, ".%ld", prec);
+          fptr += len;
+        }
+        if(p->flags & FLAGS_LONG)
+          *fptr++ = 'l';
+
+        if(p->flags & FLAGS_FLOATE)
+          *fptr++ = (char)((p->flags & FLAGS_UPPER) ? 'E':'e');
+        else if(p->flags & FLAGS_FLOATG)
+          *fptr++ = (char)((p->flags & FLAGS_UPPER) ? 'G' : 'g');
+        else
+          *fptr++ = 'f';
+
+        *fptr = 0; /* and a final zero termination */
+
+        /* NOTE NOTE NOTE!! Not all sprintf implementations return number of
+           output characters */
+        (sprintf)(work, formatbuf, p->data.dnum);
+        DEBUGASSERT(strlen(work) <= sizeof(work));
+        for(fptr = work; *fptr; fptr++)
+          OUTCHAR(*fptr);
+      }
+      break;
+
+    case FORMAT_INTPTR:
+      /* Answer the count of characters written.  */
+#ifdef HAVE_LONG_LONG_TYPE
+      if(p->flags & FLAGS_LONGLONG)
+        *(LONG_LONG_TYPE *) p->data.ptr = (LONG_LONG_TYPE)done;
+      else
+#endif
+        if(p->flags & FLAGS_LONG)
+          *(long *) p->data.ptr = (long)done;
+      else if(!(p->flags & FLAGS_SHORT))
+        *(int *) p->data.ptr = (int)done;
+      else
+        *(short *) p->data.ptr = (short)done;
+      break;
+
+    default:
+      break;
+    }
+    f = *end++; /* goto end of %-code */
+
+  }
+  return done;
+}
+
+/* fputc() look-alike */
+static int addbyter(int output, FILE *data)
+{
+  struct nsprintf *infop = (struct nsprintf *)data;
+  unsigned char outc = (unsigned char)output;
+
+  if(infop->length < infop->max) {
+    /* only do this if we haven't reached max length yet */
+    infop->buffer[0] = outc; /* store */
+    infop->buffer++; /* increase pointer */
+    infop->length++; /* we are now one byte larger */
+    return outc;     /* fputc() returns like this on success */
+  }
+  return -1;
+}
+
+int curl_mvsnprintf(char *buffer, size_t maxlength, const char *format,
+                    va_list ap_save)
+{
+  int retcode;
+  struct nsprintf info;
+
+  info.buffer = buffer;
+  info.length = 0;
+  info.max = maxlength;
+
+  retcode = dprintf_formatf(&info, addbyter, format, ap_save);
+  if((retcode != -1) && info.max) {
+    /* we terminate this with a zero byte */
+    if(info.max == info.length)
+      /* we're at maximum, scrap the last letter */
+      info.buffer[-1] = 0;
+    else
+      info.buffer[0] = 0;
+  }
+  return retcode;
+}
+
+int curl_msnprintf(char *buffer, size_t maxlength, const char *format, ...)
+{
+  int retcode;
+  va_list ap_save; /* argument pointer */
+  va_start(ap_save, format);
+  retcode = curl_mvsnprintf(buffer, maxlength, format, ap_save);
+  va_end(ap_save);
+  return retcode;
+}
+
+/* fputc() look-alike */
+static int alloc_addbyter(int output, FILE *data)
+{
+  struct asprintf *infop = (struct asprintf *)data;
+  unsigned char outc = (unsigned char)output;
+
+  if(!infop->buffer) {
+    infop->buffer = malloc(32);
+    if(!infop->buffer) {
+      infop->fail = 1;
+      return -1; /* fail */
+    }
+    infop->alloc = 32;
+    infop->len = 0;
+  }
+  else if(infop->len + 1 >= infop->alloc) {
+    char *newptr = NULL;
+    size_t newsize = infop->alloc*2;
+
+    /* detect wrap-around or other overflow problems */
+    if(newsize > infop->alloc)
+      newptr = realloc(infop->buffer, newsize);
+
+    if(!newptr) {
+      infop->fail = 1;
+      return -1; /* fail */
+    }
+    infop->buffer = newptr;
+    infop->alloc = newsize;
+  }
+
+  infop->buffer[ infop->len ] = outc;
+
+  infop->len++;
+
+  return outc; /* fputc() returns like this on success */
+}
+
+char *curl_maprintf(const char *format, ...)
+{
+  va_list ap_save; /* argument pointer */
+  int retcode;
+  struct asprintf info;
+
+  info.buffer = NULL;
+  info.len = 0;
+  info.alloc = 0;
+  info.fail = 0;
+
+  va_start(ap_save, format);
+  retcode = dprintf_formatf(&info, alloc_addbyter, format, ap_save);
+  va_end(ap_save);
+  if((-1 == retcode) || info.fail) {
+    if(info.alloc)
+      free(info.buffer);
+    return NULL;
+  }
+  if(info.alloc) {
+    info.buffer[info.len] = 0; /* we terminate this with a zero byte */
+    return info.buffer;
+  }
+  return strdup("");
+}
+
+char *curl_mvaprintf(const char *format, va_list ap_save)
+{
+  int retcode;
+  struct asprintf info;
+
+  info.buffer = NULL;
+  info.len = 0;
+  info.alloc = 0;
+  info.fail = 0;
+
+  retcode = dprintf_formatf(&info, alloc_addbyter, format, ap_save);
+  if((-1 == retcode) || info.fail) {
+    if(info.alloc)
+      free(info.buffer);
+    return NULL;
+  }
+
+  if(info.alloc) {
+    info.buffer[info.len] = 0; /* we terminate this with a zero byte */
+    return info.buffer;
+  }
+  return strdup("");
+}
+
+static int storebuffer(int output, FILE *data)
+{
+  char **buffer = (char **)data;
+  unsigned char outc = (unsigned char)output;
+  **buffer = outc;
+  (*buffer)++;
+  return outc; /* act like fputc() ! */
+}
+
+int curl_msprintf(char *buffer, const char *format, ...)
+{
+  va_list ap_save; /* argument pointer */
+  int retcode;
+  va_start(ap_save, format);
+  retcode = dprintf_formatf(&buffer, storebuffer, format, ap_save);
+  va_end(ap_save);
+  *buffer = 0; /* we terminate this with a zero byte */
+  return retcode;
+}
+
+int curl_mprintf(const char *format, ...)
+{
+  int retcode;
+  va_list ap_save; /* argument pointer */
+  va_start(ap_save, format);
+
+  retcode = dprintf_formatf(stdout, fputc, format, ap_save);
+  va_end(ap_save);
+  return retcode;
+}
+
+int curl_mfprintf(FILE *whereto, const char *format, ...)
+{
+  int retcode;
+  va_list ap_save; /* argument pointer */
+  va_start(ap_save, format);
+  retcode = dprintf_formatf(whereto, fputc, format, ap_save);
+  va_end(ap_save);
+  return retcode;
+}
+
+int curl_mvsprintf(char *buffer, const char *format, va_list ap_save)
+{
+  int retcode;
+  retcode = dprintf_formatf(&buffer, storebuffer, format, ap_save);
+  *buffer = 0; /* we terminate this with a zero byte */
+  return retcode;
+}
+
+int curl_mvprintf(const char *format, va_list ap_save)
+{
+  return dprintf_formatf(stdout, fputc, format, ap_save);
+}
+
+int curl_mvfprintf(FILE *whereto, const char *format, va_list ap_save)
+{
+  return dprintf_formatf(whereto, fputc, format, ap_save);
+}
Index: trunk/src/libs/curl-7.64.0/lib/multi.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/multi.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/multi.c	(revision 85671)
@@ -0,0 +1,3249 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#include "urldata.h"
+#include "transfer.h"
+#include "url.h"
+#include "connect.h"
+#include "progress.h"
+#include "easyif.h"
+#include "share.h"
+#include "psl.h"
+#include "multiif.h"
+#include "sendf.h"
+#include "timeval.h"
+#include "http.h"
+#include "select.h"
+#include "warnless.h"
+#include "speedcheck.h"
+#include "conncache.h"
+#include "multihandle.h"
+#include "pipeline.h"
+#include "sigpipe.h"
+#include "vtls/vtls.h"
+#include "connect.h"
+#include "http_proxy.h"
+#include "http2.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+  CURL_SOCKET_HASH_TABLE_SIZE should be a prime number. Increasing it from 97
+  to 911 takes on a 32-bit machine 4 x 804 = 3211 more bytes.  Still, every
+  CURL handle takes 45-50 K memory, therefore this 3K are not significant.
+*/
+#ifndef CURL_SOCKET_HASH_TABLE_SIZE
+#define CURL_SOCKET_HASH_TABLE_SIZE 911
+#endif
+
+#ifndef CURL_CONNECTION_HASH_SIZE
+#define CURL_CONNECTION_HASH_SIZE 97
+#endif
+
+#define CURL_MULTI_HANDLE 0x000bab1e
+
+#define GOOD_MULTI_HANDLE(x) \
+  ((x) && (x)->type == CURL_MULTI_HANDLE)
+
+static CURLMcode singlesocket(struct Curl_multi *multi,
+                              struct Curl_easy *data);
+static int update_timer(struct Curl_multi *multi);
+
+static CURLMcode add_next_timeout(struct curltime now,
+                                  struct Curl_multi *multi,
+                                  struct Curl_easy *d);
+static CURLMcode multi_timeout(struct Curl_multi *multi,
+                               long *timeout_ms);
+static void process_pending_handles(struct Curl_multi *multi);
+
+#ifdef DEBUGBUILD
+static const char * const statename[]={
+  "INIT",
+  "CONNECT_PEND",
+  "CONNECT",
+  "WAITRESOLVE",
+  "WAITCONNECT",
+  "WAITPROXYCONNECT",
+  "SENDPROTOCONNECT",
+  "PROTOCONNECT",
+  "WAITDO",
+  "DO",
+  "DOING",
+  "DO_MORE",
+  "DO_DONE",
+  "WAITPERFORM",
+  "PERFORM",
+  "TOOFAST",
+  "DONE",
+  "COMPLETED",
+  "MSGSENT",
+};
+#endif
+
+/* function pointer called once when switching TO a state */
+typedef void (*init_multistate_func)(struct Curl_easy *data);
+
+static void Curl_init_completed(struct Curl_easy *data)
+{
+  /* this is a completed transfer */
+
+  /* Important: reset the conn pointer so that we don't point to memory
+     that could be freed anytime */
+  Curl_detach_connnection(data);
+  Curl_expire_clear(data); /* stop all timers */
+}
+
+/* always use this function to change state, to make debugging easier */
+static void mstate(struct Curl_easy *data, CURLMstate state
+#ifdef DEBUGBUILD
+                   , int lineno
+#endif
+)
+{
+  CURLMstate oldstate = data->mstate;
+  static const init_multistate_func finit[CURLM_STATE_LAST] = {
+    NULL,              /* INIT */
+    NULL,              /* CONNECT_PEND */
+    Curl_init_CONNECT, /* CONNECT */
+    NULL,              /* WAITRESOLVE */
+    NULL,              /* WAITCONNECT */
+    NULL,              /* WAITPROXYCONNECT */
+    NULL,              /* SENDPROTOCONNECT */
+    NULL,              /* PROTOCONNECT */
+    NULL,              /* WAITDO */
+    Curl_connect_free, /* DO */
+    NULL,              /* DOING */
+    NULL,              /* DO_MORE */
+    NULL,              /* DO_DONE */
+    NULL,              /* WAITPERFORM */
+    NULL,              /* PERFORM */
+    NULL,              /* TOOFAST */
+    NULL,              /* DONE */
+    Curl_init_completed, /* COMPLETED */
+    NULL               /* MSGSENT */
+  };
+
+#if defined(DEBUGBUILD) && defined(CURL_DISABLE_VERBOSE_STRINGS)
+  (void) lineno;
+#endif
+
+  if(oldstate == state)
+    /* don't bother when the new state is the same as the old state */
+    return;
+
+  data->mstate = state;
+
+#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
+  if(data->mstate >= CURLM_STATE_CONNECT_PEND &&
+     data->mstate < CURLM_STATE_COMPLETED) {
+    long connection_id = -5000;
+
+    if(data->conn)
+      connection_id = data->conn->connection_id;
+
+    infof(data,
+          "STATE: %s => %s handle %p; line %d (connection #%ld)\n",
+          statename[oldstate], statename[data->mstate],
+          (void *)data, lineno, connection_id);
+  }
+#endif
+
+  if(state == CURLM_STATE_COMPLETED)
+    /* changing to COMPLETED means there's one less easy handle 'alive' */
+    data->multi->num_alive--;
+
+  /* if this state has an init-function, run it */
+  if(finit[state])
+    finit[state](data);
+}
+
+#ifndef DEBUGBUILD
+#define multistate(x,y) mstate(x,y)
+#else
+#define multistate(x,y) mstate(x,y, __LINE__)
+#endif
+
+/*
+ * We add one of these structs to the sockhash for each socket
+ */
+
+struct Curl_sh_entry {
+  struct curl_llist list; /* list of easy handles using this socket */
+  unsigned int action;  /* what combined action READ/WRITE this socket waits
+                           for */
+  void *socketp; /* settable by users with curl_multi_assign() */
+  unsigned int users; /* number of transfers using this */
+  unsigned int readers; /* this many transfers want to read */
+  unsigned int writers; /* this many transfers want to write */
+};
+/* bits for 'action' having no bits means this socket is not expecting any
+   action */
+#define SH_READ  1
+#define SH_WRITE 2
+
+/* look up a given socket in the socket hash, skip invalid sockets */
+static struct Curl_sh_entry *sh_getentry(struct curl_hash *sh,
+                                         curl_socket_t s)
+{
+  if(s != CURL_SOCKET_BAD)
+    /* only look for proper sockets */
+    return Curl_hash_pick(sh, (char *)&s, sizeof(curl_socket_t));
+  return NULL;
+}
+
+/* make sure this socket is present in the hash for this handle */
+static struct Curl_sh_entry *sh_addentry(struct curl_hash *sh,
+                                         curl_socket_t s)
+{
+  struct Curl_sh_entry *there = sh_getentry(sh, s);
+  struct Curl_sh_entry *check;
+
+  if(there)
+    /* it is present, return fine */
+    return there;
+
+  /* not present, add it */
+  check = calloc(1, sizeof(struct Curl_sh_entry));
+  if(!check)
+    return NULL; /* major failure */
+
+  Curl_llist_init(&check->list, NULL);
+
+  /* make/add new hash entry */
+  if(!Curl_hash_add(sh, (char *)&s, sizeof(curl_socket_t), check)) {
+    free(check);
+    return NULL; /* major failure */
+  }
+
+  return check; /* things are good in sockhash land */
+}
+
+
+/* delete the given socket + handle from the hash */
+static void sh_delentry(struct curl_hash *sh, curl_socket_t s)
+{
+  /* We remove the hash entry. This will end up in a call to
+     sh_freeentry(). */
+  Curl_hash_delete(sh, (char *)&s, sizeof(curl_socket_t));
+}
+
+/*
+ * free a sockhash entry
+ */
+static void sh_freeentry(void *freethis)
+{
+  struct Curl_sh_entry *p = (struct Curl_sh_entry *) freethis;
+
+  free(p);
+}
+
+static size_t fd_key_compare(void *k1, size_t k1_len, void *k2, size_t k2_len)
+{
+  (void) k1_len; (void) k2_len;
+
+  return (*((curl_socket_t *) k1)) == (*((curl_socket_t *) k2));
+}
+
+static size_t hash_fd(void *key, size_t key_length, size_t slots_num)
+{
+  curl_socket_t fd = *((curl_socket_t *) key);
+  (void) key_length;
+
+  return (fd % slots_num);
+}
+
+/*
+ * sh_init() creates a new socket hash and returns the handle for it.
+ *
+ * Quote from README.multi_socket:
+ *
+ * "Some tests at 7000 and 9000 connections showed that the socket hash lookup
+ * is somewhat of a bottle neck. Its current implementation may be a bit too
+ * limiting. It simply has a fixed-size array, and on each entry in the array
+ * it has a linked list with entries. So the hash only checks which list to
+ * scan through. The code I had used so for used a list with merely 7 slots
+ * (as that is what the DNS hash uses) but with 7000 connections that would
+ * make an average of 1000 nodes in each list to run through. I upped that to
+ * 97 slots (I believe a prime is suitable) and noticed a significant speed
+ * increase.  I need to reconsider the hash implementation or use a rather
+ * large default value like this. At 9000 connections I was still below 10us
+ * per call."
+ *
+ */
+static int sh_init(struct curl_hash *hash, int hashsize)
+{
+  return Curl_hash_init(hash, hashsize, hash_fd, fd_key_compare,
+                        sh_freeentry);
+}
+
+/*
+ * multi_addmsg()
+ *
+ * Called when a transfer is completed. Adds the given msg pointer to
+ * the list kept in the multi handle.
+ */
+static CURLMcode multi_addmsg(struct Curl_multi *multi,
+                              struct Curl_message *msg)
+{
+  Curl_llist_insert_next(&multi->msglist, multi->msglist.tail, msg,
+                         &msg->list);
+  return CURLM_OK;
+}
+
+/*
+ * multi_freeamsg()
+ *
+ * Callback used by the llist system when a single list entry is destroyed.
+ */
+static void multi_freeamsg(void *a, void *b)
+{
+  (void)a;
+  (void)b;
+}
+
+struct Curl_multi *Curl_multi_handle(int hashsize, /* socket hash */
+                                     int chashsize) /* connection hash */
+{
+  struct Curl_multi *multi = calloc(1, sizeof(struct Curl_multi));
+
+  if(!multi)
+    return NULL;
+
+  multi->type = CURL_MULTI_HANDLE;
+
+  if(Curl_mk_dnscache(&multi->hostcache))
+    goto error;
+
+  if(sh_init(&multi->sockhash, hashsize))
+    goto error;
+
+  if(Curl_conncache_init(&multi->conn_cache, chashsize))
+    goto error;
+
+  Curl_llist_init(&multi->msglist, multi_freeamsg);
+  Curl_llist_init(&multi->pending, multi_freeamsg);
+
+  multi->max_pipeline_length = 5;
+  multi->pipelining = CURLPIPE_MULTIPLEX;
+
+  /* -1 means it not set by user, use the default value */
+  multi->maxconnects = -1;
+  return multi;
+
+  error:
+
+  Curl_hash_destroy(&multi->sockhash);
+  Curl_hash_destroy(&multi->hostcache);
+  Curl_conncache_destroy(&multi->conn_cache);
+  Curl_llist_destroy(&multi->msglist, NULL);
+  Curl_llist_destroy(&multi->pending, NULL);
+
+  free(multi);
+  return NULL;
+}
+
+struct Curl_multi *curl_multi_init(void)
+{
+  return Curl_multi_handle(CURL_SOCKET_HASH_TABLE_SIZE,
+                           CURL_CONNECTION_HASH_SIZE);
+}
+
+CURLMcode curl_multi_add_handle(struct Curl_multi *multi,
+                                struct Curl_easy *data)
+{
+  /* First, make some basic checks that the CURLM handle is a good handle */
+  if(!GOOD_MULTI_HANDLE(multi))
+    return CURLM_BAD_HANDLE;
+
+  /* Verify that we got a somewhat good easy handle too */
+  if(!GOOD_EASY_HANDLE(data))
+    return CURLM_BAD_EASY_HANDLE;
+
+  /* Prevent users from adding same easy handle more than once and prevent
+     adding to more than one multi stack */
+  if(data->multi)
+    return CURLM_ADDED_ALREADY;
+
+  if(multi->in_callback)
+    return CURLM_RECURSIVE_API_CALL;
+
+  /* Initialize timeout list for this handle */
+  Curl_llist_init(&data->state.timeoutlist, NULL);
+
+  /*
+   * No failure allowed in this function beyond this point. And no
+   * modification of easy nor multi handle allowed before this except for
+   * potential multi's connection cache growing which won't be undone in this
+   * function no matter what.
+   */
+  if(data->set.errorbuffer)
+    data->set.errorbuffer[0] = 0;
+
+  /* set the easy handle */
+  multistate(data, CURLM_STATE_INIT);
+
+  if((data->set.global_dns_cache) &&
+     (data->dns.hostcachetype != HCACHE_GLOBAL)) {
+    /* global dns cache was requested but still isn't */
+    struct curl_hash *global = Curl_global_host_cache_init();
+    if(global) {
+      /* only do this if the global cache init works */
+      data->dns.hostcache = global;
+      data->dns.hostcachetype = HCACHE_GLOBAL;
+    }
+  }
+  /* for multi interface connections, we share DNS cache automatically if the
+     easy handle's one is currently not set. */
+  else if(!data->dns.hostcache ||
+     (data->dns.hostcachetype == HCACHE_NONE)) {
+    data->dns.hostcache = &multi->hostcache;
+    data->dns.hostcachetype = HCACHE_MULTI;
+  }
+
+  /* Point to the shared or multi handle connection cache */
+  if(data->share && (data->share->specifier & (1<< CURL_LOCK_DATA_CONNECT)))
+    data->state.conn_cache = &data->share->conn_cache;
+  else
+    data->state.conn_cache = &multi->conn_cache;
+
+#ifdef USE_LIBPSL
+  /* Do the same for PSL. */
+  if(data->share && (data->share->specifier & (1 << CURL_LOCK_DATA_PSL)))
+    data->psl = &data->share->psl;
+  else
+    data->psl = &multi->psl;
+#endif
+
+  /* This adds the new entry at the 'end' of the doubly-linked circular
+     list of Curl_easy structs to try and maintain a FIFO queue so
+     the pipelined requests are in order. */
+
+  /* We add this new entry last in the list. */
+
+  data->next = NULL; /* end of the line */
+  if(multi->easyp) {
+    struct Curl_easy *last = multi->easylp;
+    last->next = data;
+    data->prev = last;
+    multi->easylp = data; /* the new last node */
+  }
+  else {
+    /* first node, make prev NULL! */
+    data->prev = NULL;
+    multi->easylp = multi->easyp = data; /* both first and last */
+  }
+
+  /* make the Curl_easy refer back to this multi handle */
+  data->multi = multi;
+
+  /* Set the timeout for this handle to expire really soon so that it will
+     be taken care of even when this handle is added in the midst of operation
+     when only the curl_multi_socket() API is used. During that flow, only
+     sockets that time-out or have actions will be dealt with. Since this
+     handle has no action yet, we make sure it times out to get things to
+     happen. */
+  Curl_expire(data, 0, EXPIRE_RUN_NOW);
+
+  /* increase the node-counter */
+  multi->num_easy++;
+
+  /* increase the alive-counter */
+  multi->num_alive++;
+
+  /* A somewhat crude work-around for a little glitch in update_timer() that
+     happens if the lastcall time is set to the same time when the handle is
+     removed as when the next handle is added, as then the check in
+     update_timer() that prevents calling the application multiple times with
+     the same timer info will not trigger and then the new handle's timeout
+     will not be notified to the app.
+
+     The work-around is thus simply to clear the 'lastcall' variable to force
+     update_timer() to always trigger a callback to the app when a new easy
+     handle is added */
+  memset(&multi->timer_lastcall, 0, sizeof(multi->timer_lastcall));
+
+  /* The closure handle only ever has default timeouts set. To improve the
+     state somewhat we clone the timeouts from each added handle so that the
+     closure handle always has the same timeouts as the most recently added
+     easy handle. */
+  data->state.conn_cache->closure_handle->set.timeout = data->set.timeout;
+  data->state.conn_cache->closure_handle->set.server_response_timeout =
+    data->set.server_response_timeout;
+  data->state.conn_cache->closure_handle->set.no_signal =
+    data->set.no_signal;
+
+  update_timer(multi);
+  return CURLM_OK;
+}
+
+#if 0
+/* Debug-function, used like this:
+ *
+ * Curl_hash_print(multi->sockhash, debug_print_sock_hash);
+ *
+ * Enable the hash print function first by editing hash.c
+ */
+static void debug_print_sock_hash(void *p)
+{
+  struct Curl_sh_entry *sh = (struct Curl_sh_entry *)p;
+
+  fprintf(stderr, " [easy %p/magic %x/socket %d]",
+          (void *)sh->data, sh->data->magic, (int)sh->socket);
+}
+#endif
+
+static CURLcode multi_done(struct Curl_easy *data,
+                           CURLcode status,  /* an error if this is called
+                                                after an error was detected */
+                           bool premature)
+{
+  CURLcode result;
+  struct connectdata *conn = data->conn;
+  unsigned int i;
+
+  DEBUGF(infof(data, "multi_done\n"));
+
+  if(data->state.done)
+    /* Stop if multi_done() has already been called */
+    return CURLE_OK;
+
+  /* Stop the resolver and free its own resources (but not dns_entry yet). */
+  Curl_resolver_kill(conn);
+
+  Curl_getoff_all_pipelines(data, conn);
+
+  /* Cleanup possible redirect junk */
+  Curl_safefree(data->req.newurl);
+  Curl_safefree(data->req.location);
+
+  switch(status) {
+  case CURLE_ABORTED_BY_CALLBACK:
+  case CURLE_READ_ERROR:
+  case CURLE_WRITE_ERROR:
+    /* When we're aborted due to a callback return code it basically have to
+       be counted as premature as there is trouble ahead if we don't. We have
+       many callbacks and protocols work differently, we could potentially do
+       this more fine-grained in the future. */
+    premature = TRUE;
+  default:
+    break;
+  }
+
+  /* this calls the protocol-specific function pointer previously set */
+  if(conn->handler->done)
+    result = conn->handler->done(conn, status, premature);
+  else
+    result = status;
+
+  if(CURLE_ABORTED_BY_CALLBACK != result) {
+    /* avoid this if we already aborted by callback to avoid this calling
+       another callback */
+    CURLcode rc = Curl_pgrsDone(conn);
+    if(!result && rc)
+      result = CURLE_ABORTED_BY_CALLBACK;
+  }
+
+  process_pending_handles(data->multi); /* connection / multiplex */
+
+  if(conn->send_pipe.size || conn->recv_pipe.size) {
+    /* Stop if pipeline is not empty . */
+    Curl_detach_connnection(data);
+    DEBUGF(infof(data, "Connection still in use %zu/%zu, "
+                 "no more multi_done now!\n",
+                 conn->send_pipe.size, conn->recv_pipe.size));
+    return CURLE_OK;
+  }
+
+  data->state.done = TRUE; /* called just now! */
+
+  if(conn->dns_entry) {
+    Curl_resolv_unlock(data, conn->dns_entry); /* done with this */
+    conn->dns_entry = NULL;
+  }
+  Curl_hostcache_prune(data);
+  Curl_safefree(data->state.ulbuf);
+
+  /* if the transfer was completed in a paused state there can be buffered
+     data left to free */
+  for(i = 0; i < data->state.tempcount; i++) {
+    free(data->state.tempwrite[i].buf);
+  }
+  data->state.tempcount = 0;
+
+  /* if data->set.reuse_forbid is TRUE, it means the libcurl client has
+     forced us to close this connection. This is ignored for requests taking
+     place in a NTLM authentication handshake
+
+     if conn->bits.close is TRUE, it means that the connection should be
+     closed in spite of all our efforts to be nice, due to protocol
+     restrictions in our or the server's end
+
+     if premature is TRUE, it means this connection was said to be DONE before
+     the entire request operation is complete and thus we can't know in what
+     state it is for re-using, so we're forced to close it. In a perfect world
+     we can add code that keep track of if we really must close it here or not,
+     but currently we have no such detail knowledge.
+  */
+
+  if((data->set.reuse_forbid
+#if defined(USE_NTLM)
+      && !(conn->ntlm.state == NTLMSTATE_TYPE2 ||
+           conn->proxyntlm.state == NTLMSTATE_TYPE2)
+#endif
+     ) || conn->bits.close
+       || (premature && !(conn->handler->flags & PROTOPT_STREAM))) {
+    CURLcode res2 = Curl_disconnect(data, conn, premature);
+
+    /* If we had an error already, make sure we return that one. But
+       if we got a new error, return that. */
+    if(!result && res2)
+      result = res2;
+  }
+  else {
+    char buffer[256];
+    /* create string before returning the connection */
+    msnprintf(buffer, sizeof(buffer),
+              "Connection #%ld to host %s left intact",
+              conn->connection_id,
+              conn->bits.socksproxy ? conn->socks_proxy.host.dispname :
+              conn->bits.httpproxy ? conn->http_proxy.host.dispname :
+              conn->bits.conn_to_host ? conn->conn_to_host.dispname :
+              conn->host.dispname);
+
+    /* the connection is no longer in use by this transfer */
+    if(Curl_conncache_return_conn(conn)) {
+      /* remember the most recently used connection */
+      data->state.lastconnect = conn;
+      infof(data, "%s\n", buffer);
+    }
+    else
+      data->state.lastconnect = NULL;
+  }
+
+  Curl_detach_connnection(data);
+  Curl_free_request_state(data);
+  return result;
+}
+
+CURLMcode curl_multi_remove_handle(struct Curl_multi *multi,
+                                   struct Curl_easy *data)
+{
+  struct Curl_easy *easy = data;
+  bool premature;
+  bool easy_owns_conn;
+  struct curl_llist_element *e;
+
+  /* First, make some basic checks that the CURLM handle is a good handle */
+  if(!GOOD_MULTI_HANDLE(multi))
+    return CURLM_BAD_HANDLE;
+
+  /* Verify that we got a somewhat good easy handle too */
+  if(!GOOD_EASY_HANDLE(data))
+    return CURLM_BAD_EASY_HANDLE;
+
+  /* Prevent users from trying to remove same easy handle more than once */
+  if(!data->multi)
+    return CURLM_OK; /* it is already removed so let's say it is fine! */
+
+  if(multi->in_callback)
+    return CURLM_RECURSIVE_API_CALL;
+
+  premature = (data->mstate < CURLM_STATE_COMPLETED) ? TRUE : FALSE;
+  easy_owns_conn = (data->conn && (data->conn->data == easy)) ?
+    TRUE : FALSE;
+
+  /* If the 'state' is not INIT or COMPLETED, we might need to do something
+     nice to put the easy_handle in a good known state when this returns. */
+  if(premature) {
+    /* this handle is "alive" so we need to count down the total number of
+       alive connections when this is removed */
+    multi->num_alive--;
+  }
+
+  if(data->conn &&
+     data->mstate > CURLM_STATE_DO &&
+     data->mstate < CURLM_STATE_COMPLETED) {
+    /* Set connection owner so that the DONE function closes it.  We can
+       safely do this here since connection is killed. */
+    data->conn->data = easy;
+    /* If the handle is in a pipeline and has started sending off its
+       request but not received its response yet, we need to close
+       connection. */
+    streamclose(data->conn, "Removed with partial response");
+    easy_owns_conn = TRUE;
+  }
+
+  /* The timer must be shut down before data->multi is set to NULL,
+     else the timenode will remain in the splay tree after
+     curl_easy_cleanup is called. */
+  Curl_expire_clear(data);
+
+  if(data->conn) {
+
+    /* we must call multi_done() here (if we still own the connection) so that
+       we don't leave a half-baked one around */
+    if(easy_owns_conn) {
+
+      /* multi_done() clears the conn->data field to lose the association
+         between the easy handle and the connection
+
+         Note that this ignores the return code simply because there's
+         nothing really useful to do with it anyway! */
+      (void)multi_done(data, data->result, premature);
+    }
+    else
+      /* Clear connection pipelines, if multi_done above was not called */
+      Curl_getoff_all_pipelines(data, data->conn);
+  }
+
+  if(data->connect_queue.ptr)
+    /* the handle was in the pending list waiting for an available connection,
+       so go ahead and remove it */
+    Curl_llist_remove(&multi->pending, &data->connect_queue, NULL);
+
+  if(data->dns.hostcachetype == HCACHE_MULTI) {
+    /* stop using the multi handle's DNS cache, *after* the possible
+       multi_done() call above */
+    data->dns.hostcache = NULL;
+    data->dns.hostcachetype = HCACHE_NONE;
+  }
+
+  Curl_wildcard_dtor(&data->wildcard);
+
+  /* destroy the timeout list that is held in the easy handle, do this *after*
+     multi_done() as that may actually call Curl_expire that uses this */
+  Curl_llist_destroy(&data->state.timeoutlist, NULL);
+
+  /* as this was using a shared connection cache we clear the pointer to that
+     since we're not part of that multi handle anymore */
+  data->state.conn_cache = NULL;
+
+  /* change state without using multistate(), only to make singlesocket() do
+     what we want */
+  data->mstate = CURLM_STATE_COMPLETED;
+  singlesocket(multi, easy); /* to let the application know what sockets that
+                                vanish with this handle */
+
+  /* Remove the association between the connection and the handle */
+  if(data->conn) {
+    data->conn->data = NULL;
+    Curl_detach_connnection(data);
+  }
+
+#ifdef USE_LIBPSL
+  /* Remove the PSL association. */
+  if(data->psl == &multi->psl)
+    data->psl = NULL;
+#endif
+
+  data->multi = NULL; /* clear the association to this multi handle */
+
+  /* make sure there's no pending message in the queue sent from this easy
+     handle */
+
+  for(e = multi->msglist.head; e; e = e->next) {
+    struct Curl_message *msg = e->ptr;
+
+    if(msg->extmsg.easy_handle == easy) {
+      Curl_llist_remove(&multi->msglist, e, NULL);
+      /* there can only be one from this specific handle */
+      break;
+    }
+  }
+
+  /* make the previous node point to our next */
+  if(data->prev)
+    data->prev->next = data->next;
+  else
+    multi->easyp = data->next; /* point to first node */
+
+  /* make our next point to our previous node */
+  if(data->next)
+    data->next->prev = data->prev;
+  else
+    multi->easylp = data->prev; /* point to last node */
+
+  /* NOTE NOTE NOTE
+     We do not touch the easy handle here! */
+  multi->num_easy--; /* one less to care about now */
+
+  update_timer(multi);
+  return CURLM_OK;
+}
+
+/* Return TRUE if the application asked for a certain set of pipelining */
+bool Curl_pipeline_wanted(const struct Curl_multi *multi, int bits)
+{
+  return (multi && (multi->pipelining & bits)) ? TRUE : FALSE;
+}
+
+/* This is the only function that should clear data->conn. This will
+   occasionally be called with the pointer already cleared. */
+void Curl_detach_connnection(struct Curl_easy *data)
+{
+  data->conn = NULL;
+}
+
+/* This is the only function that should assign data->conn */
+void Curl_attach_connnection(struct Curl_easy *data,
+                             struct connectdata *conn)
+{
+  DEBUGASSERT(!data->conn);
+  data->conn = conn;
+}
+
+static int waitconnect_getsock(struct connectdata *conn,
+                               curl_socket_t *sock,
+                               int numsocks)
+{
+  int i;
+  int s = 0;
+  int rc = 0;
+
+  if(!numsocks)
+    return GETSOCK_BLANK;
+
+#ifdef USE_SSL
+  if(CONNECT_FIRSTSOCKET_PROXY_SSL())
+    return Curl_ssl_getsock(conn, sock, numsocks);
+#endif
+
+  for(i = 0; i<2; i++) {
+    if(conn->tempsock[i] != CURL_SOCKET_BAD) {
+      sock[s] = conn->tempsock[i];
+      rc |= GETSOCK_WRITESOCK(s++);
+    }
+  }
+
+  return rc;
+}
+
+static int waitproxyconnect_getsock(struct connectdata *conn,
+                                    curl_socket_t *sock,
+                                    int numsocks)
+{
+  if(!numsocks)
+    return GETSOCK_BLANK;
+
+  sock[0] = conn->sock[FIRSTSOCKET];
+
+  /* when we've sent a CONNECT to a proxy, we should rather wait for the
+     socket to become readable to be able to get the response headers */
+  if(conn->connect_state)
+    return GETSOCK_READSOCK(0);
+
+  return GETSOCK_WRITESOCK(0);
+}
+
+static int domore_getsock(struct connectdata *conn,
+                          curl_socket_t *socks,
+                          int numsocks)
+{
+  if(conn && conn->handler->domore_getsock)
+    return conn->handler->domore_getsock(conn, socks, numsocks);
+  return GETSOCK_BLANK;
+}
+
+/* returns bitmapped flags for this handle and its sockets */
+static int multi_getsock(struct Curl_easy *data,
+                         curl_socket_t *socks, /* points to numsocks number
+                                                  of sockets */
+                         int numsocks)
+{
+  /* The no connection case can happen when this is called from
+     curl_multi_remove_handle() => singlesocket() => multi_getsock().
+  */
+  if(!data->conn)
+    return 0;
+
+  if(data->mstate > CURLM_STATE_CONNECT &&
+     data->mstate < CURLM_STATE_COMPLETED) {
+    /* Set up ownership correctly */
+    data->conn->data = data;
+  }
+
+  switch(data->mstate) {
+  default:
+#if 0 /* switch back on these cases to get the compiler to check for all enums
+         to be present */
+  case CURLM_STATE_TOOFAST:  /* returns 0, so will not select. */
+  case CURLM_STATE_COMPLETED:
+  case CURLM_STATE_MSGSENT:
+  case CURLM_STATE_INIT:
+  case CURLM_STATE_CONNECT:
+  case CURLM_STATE_WAITDO:
+  case CURLM_STATE_DONE:
+  case CURLM_STATE_LAST:
+    /* this will get called with CURLM_STATE_COMPLETED when a handle is
+       removed */
+#endif
+    return 0;
+
+  case CURLM_STATE_WAITRESOLVE:
+    return Curl_resolv_getsock(data->conn, socks, numsocks);
+
+  case CURLM_STATE_PROTOCONNECT:
+  case CURLM_STATE_SENDPROTOCONNECT:
+    return Curl_protocol_getsock(data->conn, socks, numsocks);
+
+  case CURLM_STATE_DO:
+  case CURLM_STATE_DOING:
+    return Curl_doing_getsock(data->conn, socks, numsocks);
+
+  case CURLM_STATE_WAITPROXYCONNECT:
+    return waitproxyconnect_getsock(data->conn, socks, numsocks);
+
+  case CURLM_STATE_WAITCONNECT:
+    return waitconnect_getsock(data->conn, socks, numsocks);
+
+  case CURLM_STATE_DO_MORE:
+    return domore_getsock(data->conn, socks, numsocks);
+
+  case CURLM_STATE_DO_DONE: /* since is set after DO is completed, we switch
+                               to waiting for the same as the *PERFORM
+                               states */
+  case CURLM_STATE_PERFORM:
+  case CURLM_STATE_WAITPERFORM:
+    return Curl_single_getsock(data->conn, socks, numsocks);
+  }
+
+}
+
+CURLMcode curl_multi_fdset(struct Curl_multi *multi,
+                           fd_set *read_fd_set, fd_set *write_fd_set,
+                           fd_set *exc_fd_set, int *max_fd)
+{
+  /* Scan through all the easy handles to get the file descriptors set.
+     Some easy handles may not have connected to the remote host yet,
+     and then we must make sure that is done. */
+  struct Curl_easy *data;
+  int this_max_fd = -1;
+  curl_socket_t sockbunch[MAX_SOCKSPEREASYHANDLE];
+  int i;
+  (void)exc_fd_set; /* not used */
+
+  if(!GOOD_MULTI_HANDLE(multi))
+    return CURLM_BAD_HANDLE;
+
+  if(multi->in_callback)
+    return CURLM_RECURSIVE_API_CALL;
+
+  data = multi->easyp;
+  while(data) {
+    int bitmap = multi_getsock(data, sockbunch, MAX_SOCKSPEREASYHANDLE);
+
+    for(i = 0; i< MAX_SOCKSPEREASYHANDLE; i++) {
+      curl_socket_t s = CURL_SOCKET_BAD;
+
+      if((bitmap & GETSOCK_READSOCK(i)) && VALID_SOCK((sockbunch[i]))) {
+        FD_SET(sockbunch[i], read_fd_set);
+        s = sockbunch[i];
+      }
+      if((bitmap & GETSOCK_WRITESOCK(i)) && VALID_SOCK((sockbunch[i]))) {
+        FD_SET(sockbunch[i], write_fd_set);
+        s = sockbunch[i];
+      }
+      if(s == CURL_SOCKET_BAD)
+        /* this socket is unused, break out of loop */
+        break;
+      if((int)s > this_max_fd)
+        this_max_fd = (int)s;
+    }
+
+    data = data->next; /* check next handle */
+  }
+
+  *max_fd = this_max_fd;
+
+  return CURLM_OK;
+}
+
+#define NUM_POLLS_ON_STACK 10
+
+CURLMcode Curl_multi_wait(struct Curl_multi *multi,
+                          struct curl_waitfd extra_fds[],
+                          unsigned int extra_nfds,
+                          int timeout_ms,
+                          int *ret,
+                          bool *gotsocket) /* if any socket was checked */
+{
+  struct Curl_easy *data;
+  curl_socket_t sockbunch[MAX_SOCKSPEREASYHANDLE];
+  int bitmap;
+  unsigned int i;
+  unsigned int nfds = 0;
+  unsigned int curlfds;
+  struct pollfd *ufds = NULL;
+  bool ufds_malloc = FALSE;
+  long timeout_internal;
+  int retcode = 0;
+  struct pollfd a_few_on_stack[NUM_POLLS_ON_STACK];
+
+  if(gotsocket)
+    *gotsocket = FALSE;
+
+  if(!GOOD_MULTI_HANDLE(multi))
+    return CURLM_BAD_HANDLE;
+
+  if(multi->in_callback)
+    return CURLM_RECURSIVE_API_CALL;
+
+  /* Count up how many fds we have from the multi handle */
+  data = multi->easyp;
+  while(data) {
+    bitmap = multi_getsock(data, sockbunch, MAX_SOCKSPEREASYHANDLE);
+
+    for(i = 0; i< MAX_SOCKSPEREASYHANDLE; i++) {
+      curl_socket_t s = CURL_SOCKET_BAD;
+
+      if(bitmap & GETSOCK_READSOCK(i)) {
+        ++nfds;
+        s = sockbunch[i];
+      }
+      if(bitmap & GETSOCK_WRITESOCK(i)) {
+        ++nfds;
+        s = sockbunch[i];
+      }
+      if(s == CURL_SOCKET_BAD) {
+        break;
+      }
+    }
+
+    data = data->next; /* check next handle */
+  }
+
+  /* If the internally desired timeout is actually shorter than requested from
+     the outside, then use the shorter time! But only if the internal timer
+     is actually larger than -1! */
+  (void)multi_timeout(multi, &timeout_internal);
+  if((timeout_internal >= 0) && (timeout_internal < (long)timeout_ms))
+    timeout_ms = (int)timeout_internal;
+
+  curlfds = nfds; /* number of internal file descriptors */
+  nfds += extra_nfds; /* add the externally provided ones */
+
+  if(nfds) {
+    if(nfds > NUM_POLLS_ON_STACK) {
+      /* 'nfds' is a 32 bit value and 'struct pollfd' is typically 8 bytes
+         big, so at 2^29 sockets this value might wrap. When a process gets
+         the capability to actually handle over 500 million sockets this
+         calculation needs a integer overflow check. */
+      ufds = malloc(nfds * sizeof(struct pollfd));
+      if(!ufds)
+        return CURLM_OUT_OF_MEMORY;
+      ufds_malloc = TRUE;
+    }
+    else
+      ufds = &a_few_on_stack[0];
+  }
+  nfds = 0;
+
+  /* only do the second loop if we found descriptors in the first stage run
+     above */
+
+  if(curlfds) {
+    /* Add the curl handles to our pollfds first */
+    data = multi->easyp;
+    while(data) {
+      bitmap = multi_getsock(data, sockbunch, MAX_SOCKSPEREASYHANDLE);
+
+      for(i = 0; i< MAX_SOCKSPEREASYHANDLE; i++) {
+        curl_socket_t s = CURL_SOCKET_BAD;
+
+        if(bitmap & GETSOCK_READSOCK(i)) {
+          ufds[nfds].fd = sockbunch[i];
+          ufds[nfds].events = POLLIN;
+          ++nfds;
+          s = sockbunch[i];
+        }
+        if(bitmap & GETSOCK_WRITESOCK(i)) {
+          ufds[nfds].fd = sockbunch[i];
+          ufds[nfds].events = POLLOUT;
+          ++nfds;
+          s = sockbunch[i];
+        }
+        if(s == CURL_SOCKET_BAD) {
+          break;
+        }
+      }
+
+      data = data->next; /* check next handle */
+    }
+  }
+
+  /* Add external file descriptions from poll-like struct curl_waitfd */
+  for(i = 0; i < extra_nfds; i++) {
+    ufds[nfds].fd = extra_fds[i].fd;
+    ufds[nfds].events = 0;
+    if(extra_fds[i].events & CURL_WAIT_POLLIN)
+      ufds[nfds].events |= POLLIN;
+    if(extra_fds[i].events & CURL_WAIT_POLLPRI)
+      ufds[nfds].events |= POLLPRI;
+    if(extra_fds[i].events & CURL_WAIT_POLLOUT)
+      ufds[nfds].events |= POLLOUT;
+    ++nfds;
+  }
+
+  if(nfds) {
+    int pollrc;
+    /* wait... */
+    pollrc = Curl_poll(ufds, nfds, timeout_ms);
+
+    if(pollrc > 0) {
+      retcode = pollrc;
+      /* copy revents results from the poll to the curl_multi_wait poll
+         struct, the bit values of the actual underlying poll() implementation
+         may not be the same as the ones in the public libcurl API! */
+      for(i = 0; i < extra_nfds; i++) {
+        unsigned short mask = 0;
+        unsigned r = ufds[curlfds + i].revents;
+
+        if(r & POLLIN)
+          mask |= CURL_WAIT_POLLIN;
+        if(r & POLLOUT)
+          mask |= CURL_WAIT_POLLOUT;
+        if(r & POLLPRI)
+          mask |= CURL_WAIT_POLLPRI;
+
+        extra_fds[i].revents = mask;
+      }
+    }
+  }
+
+  if(ufds_malloc)
+    free(ufds);
+  if(ret)
+    *ret = retcode;
+  if(gotsocket && (extra_fds || curlfds))
+    /* if any socket was checked */
+    *gotsocket = TRUE;
+
+  return CURLM_OK;
+}
+
+CURLMcode curl_multi_wait(struct Curl_multi *multi,
+                          struct curl_waitfd extra_fds[],
+                          unsigned int extra_nfds,
+                          int timeout_ms,
+                          int *ret)
+{
+  return Curl_multi_wait(multi, extra_fds, extra_nfds, timeout_ms, ret, NULL);
+}
+/*
+ * Curl_multi_connchanged() is called to tell that there is a connection in
+ * this multi handle that has changed state (pipelining become possible, the
+ * number of allowed streams changed or similar), and a subsequent use of this
+ * multi handle should move CONNECT_PEND handles back to CONNECT to have them
+ * retry.
+ */
+void Curl_multi_connchanged(struct Curl_multi *multi)
+{
+  multi->recheckstate = TRUE;
+}
+
+/*
+ * multi_ischanged() is called
+ *
+ * Returns TRUE/FALSE whether the state is changed to trigger a CONNECT_PEND
+ * => CONNECT action.
+ *
+ * Set 'clear' to TRUE to have it also clear the state variable.
+ */
+static bool multi_ischanged(struct Curl_multi *multi, bool clear)
+{
+  bool retval = multi->recheckstate;
+  if(clear)
+    multi->recheckstate = FALSE;
+  return retval;
+}
+
+CURLMcode Curl_multi_add_perform(struct Curl_multi *multi,
+                                 struct Curl_easy *data,
+                                 struct connectdata *conn)
+{
+  CURLMcode rc;
+
+  if(multi->in_callback)
+    return CURLM_RECURSIVE_API_CALL;
+
+  rc = curl_multi_add_handle(multi, data);
+  if(!rc) {
+    struct SingleRequest *k = &data->req;
+
+    /* pass in NULL for 'conn' here since we don't want to init the
+       connection, only this transfer */
+    Curl_init_do(data, NULL);
+
+    /* take this handle to the perform state right away */
+    multistate(data, CURLM_STATE_PERFORM);
+    Curl_attach_connnection(data, conn);
+    k->keepon |= KEEP_RECV; /* setup to receive! */
+  }
+  return rc;
+}
+
+static CURLcode multi_reconnect_request(struct Curl_easy *data)
+{
+  CURLcode result = CURLE_OK;
+  struct connectdata *conn = data->conn;
+
+  /* This was a re-use of a connection and we got a write error in the
+   * DO-phase. Then we DISCONNECT this connection and have another attempt to
+   * CONNECT and then DO again! The retry cannot possibly find another
+   * connection to re-use, since we only keep one possible connection for
+   * each.  */
+
+  infof(data, "Re-used connection seems dead, get a new one\n");
+
+  connclose(conn, "Reconnect dead connection"); /* enforce close */
+  result = multi_done(data, result, FALSE); /* we are so done with this */
+
+  /* data->conn was detached in multi_done() */
+
+  /*
+   * We need to check for CURLE_SEND_ERROR here as well. This could happen
+   * when the request failed on a FTP connection and thus multi_done() itself
+   * tried to use the connection (again).
+   */
+  if(!result || (CURLE_SEND_ERROR == result)) {
+    bool async;
+    bool protocol_done = TRUE;
+
+    /* Now, redo the connect and get a new connection */
+    result = Curl_connect(data, &async, &protocol_done);
+    if(!result) {
+      /* We have connected or sent away a name resolve query fine */
+
+      conn = data->conn; /* in case it was updated */
+      if(async) {
+        /* Now, if async is TRUE here, we need to wait for the name
+           to resolve */
+        result = Curl_resolver_wait_resolv(conn, NULL);
+        if(result)
+          return result;
+
+        /* Resolved, continue with the connection */
+        result = Curl_once_resolved(conn, &protocol_done);
+        if(result)
+          return result;
+      }
+    }
+  }
+
+  return result;
+}
+
+/*
+ * do_complete is called when the DO actions are complete.
+ *
+ * We init chunking and trailer bits to their default values here immediately
+ * before receiving any header data for the current request in the pipeline.
+ */
+static void do_complete(struct connectdata *conn)
+{
+  conn->data->req.chunk = FALSE;
+  conn->data->req.maxfd = (conn->sockfd>conn->writesockfd?
+                           conn->sockfd:conn->writesockfd) + 1;
+  Curl_pgrsTime(conn->data, TIMER_PRETRANSFER);
+}
+
+static CURLcode multi_do(struct Curl_easy *data, bool *done)
+{
+  CURLcode result = CURLE_OK;
+  struct connectdata *conn = data->conn;
+
+  if(conn->handler->do_it) {
+    /* generic protocol-specific function pointer set in curl_connect() */
+    result = conn->handler->do_it(conn, done);
+
+    /* This was formerly done in transfer.c, but we better do it here */
+    if((CURLE_SEND_ERROR == result) && conn->bits.reuse) {
+      /*
+       * If the connection is using an easy handle, call reconnect
+       * to re-establish the connection.  Otherwise, let the multi logic
+       * figure out how to re-establish the connection.
+       */
+      if(!data->multi) {
+        result = multi_reconnect_request(data);
+
+        if(!result) {
+          /* ... finally back to actually retry the DO phase */
+          conn = data->conn; /* re-assign conn since multi_reconnect_request
+                                creates a new connection */
+          result = conn->handler->do_it(conn, done);
+        }
+      }
+      else
+        return result;
+    }
+
+    if(!result && *done)
+      /* do_complete must be called after the protocol-specific DO function */
+      do_complete(conn);
+  }
+  return result;
+}
+
+/*
+ * multi_do_more() is called during the DO_MORE multi state. It is basically a
+ * second stage DO state which (wrongly) was introduced to support FTP's
+ * second connection.
+ *
+ * TODO: A future libcurl should be able to work away this state.
+ *
+ * 'complete' can return 0 for incomplete, 1 for done and -1 for go back to
+ * DOING state there's more work to do!
+ */
+
+static CURLcode multi_do_more(struct connectdata *conn, int *complete)
+{
+  CURLcode result = CURLE_OK;
+
+  *complete = 0;
+
+  if(conn->handler->do_more)
+    result = conn->handler->do_more(conn, complete);
+
+  if(!result && (*complete == 1))
+    /* do_complete must be called after the protocol-specific DO function */
+    do_complete(conn);
+
+  return result;
+}
+
+static CURLMcode multi_runsingle(struct Curl_multi *multi,
+                                 struct curltime now,
+                                 struct Curl_easy *data)
+{
+  struct Curl_message *msg = NULL;
+  bool connected;
+  bool async;
+  bool protocol_connect = FALSE;
+  bool dophase_done = FALSE;
+  bool done = FALSE;
+  CURLMcode rc;
+  CURLcode result = CURLE_OK;
+  struct SingleRequest *k;
+  timediff_t timeout_ms;
+  timediff_t recv_timeout_ms;
+  timediff_t send_timeout_ms;
+  int control;
+
+  if(!GOOD_EASY_HANDLE(data))
+    return CURLM_BAD_EASY_HANDLE;
+
+  do {
+    /* A "stream" here is a logical stream if the protocol can handle that
+       (HTTP/2), or the full connection for older protocols */
+    bool stream_error = FALSE;
+    rc = CURLM_OK;
+
+    if(!data->conn &&
+       data->mstate > CURLM_STATE_CONNECT &&
+       data->mstate < CURLM_STATE_DONE) {
+      /* In all these states, the code will blindly access 'data->conn'
+         so this is precaution that it isn't NULL. And it silences static
+         analyzers. */
+      failf(data, "In state %d with no conn, bail out!\n", data->mstate);
+      return CURLM_INTERNAL_ERROR;
+    }
+
+    if(multi_ischanged(multi, TRUE)) {
+      DEBUGF(infof(data, "multi changed, check CONNECT_PEND queue!\n"));
+      process_pending_handles(multi); /* pipelined/multiplexed */
+    }
+
+    if(data->conn && data->mstate > CURLM_STATE_CONNECT &&
+       data->mstate < CURLM_STATE_COMPLETED) {
+      /* Make sure we set the connection's current owner */
+      data->conn->data = data;
+    }
+
+    if(data->conn &&
+       (data->mstate >= CURLM_STATE_CONNECT) &&
+       (data->mstate < CURLM_STATE_COMPLETED)) {
+      /* we need to wait for the connect state as only then is the start time
+         stored, but we must not check already completed handles */
+      timeout_ms = Curl_timeleft(data, &now,
+                                 (data->mstate <= CURLM_STATE_WAITDO)?
+                                 TRUE:FALSE);
+
+      if(timeout_ms < 0) {
+        /* Handle timed out */
+        if(data->mstate == CURLM_STATE_WAITRESOLVE)
+          failf(data, "Resolving timed out after %" CURL_FORMAT_TIMEDIFF_T
+                " milliseconds",
+                Curl_timediff(now, data->progress.t_startsingle));
+        else if(data->mstate == CURLM_STATE_WAITCONNECT)
+          failf(data, "Connection timed out after %" CURL_FORMAT_TIMEDIFF_T
+                " milliseconds",
+                Curl_timediff(now, data->progress.t_startsingle));
+        else {
+          k = &data->req;
+          if(k->size != -1) {
+            failf(data, "Operation timed out after %" CURL_FORMAT_TIMEDIFF_T
+                  " milliseconds with %" CURL_FORMAT_CURL_OFF_T " out of %"
+                  CURL_FORMAT_CURL_OFF_T " bytes received",
+                  Curl_timediff(now, data->progress.t_startsingle),
+                  k->bytecount, k->size);
+          }
+          else {
+            failf(data, "Operation timed out after %" CURL_FORMAT_TIMEDIFF_T
+                  " milliseconds with %" CURL_FORMAT_CURL_OFF_T
+                  " bytes received",
+                  Curl_timediff(now, data->progress.t_startsingle),
+                  k->bytecount);
+          }
+        }
+
+        /* Force connection closed if the connection has indeed been used */
+        if(data->mstate > CURLM_STATE_DO) {
+          streamclose(data->conn, "Disconnected with pending data");
+          stream_error = TRUE;
+        }
+        result = CURLE_OPERATION_TIMEDOUT;
+        (void)multi_done(data, result, TRUE);
+        /* Skip the statemachine and go directly to error handling section. */
+        goto statemachine_end;
+      }
+    }
+
+    switch(data->mstate) {
+    case CURLM_STATE_INIT:
+      /* init this transfer. */
+      result = Curl_pretransfer(data);
+
+      if(!result) {
+        /* after init, go CONNECT */
+        multistate(data, CURLM_STATE_CONNECT);
+        Curl_pgrsTime(data, TIMER_STARTOP);
+        rc = CURLM_CALL_MULTI_PERFORM;
+      }
+      break;
+
+    case CURLM_STATE_CONNECT_PEND:
+      /* We will stay here until there is a connection available. Then
+         we try again in the CURLM_STATE_CONNECT state. */
+      break;
+
+    case CURLM_STATE_CONNECT:
+      /* Connect. We want to get a connection identifier filled in. */
+      Curl_pgrsTime(data, TIMER_STARTSINGLE);
+      if(data->set.timeout)
+        Curl_expire(data, data->set.timeout, EXPIRE_TIMEOUT);
+
+      if(data->set.connecttimeout)
+        Curl_expire(data, data->set.connecttimeout, EXPIRE_CONNECTTIMEOUT);
+
+      result = Curl_connect(data, &async, &protocol_connect);
+      if(CURLE_NO_CONNECTION_AVAILABLE == result) {
+        /* There was no connection available. We will go to the pending
+           state and wait for an available connection. */
+        multistate(data, CURLM_STATE_CONNECT_PEND);
+
+        /* add this handle to the list of connect-pending handles */
+        Curl_llist_insert_next(&multi->pending, multi->pending.tail, data,
+                               &data->connect_queue);
+        result = CURLE_OK;
+        break;
+      }
+
+      if(!result) {
+        /* Add this handle to the send or pend pipeline */
+        result = Curl_add_handle_to_pipeline(data, data->conn);
+        if(result)
+          stream_error = TRUE;
+        else {
+          if(async)
+            /* We're now waiting for an asynchronous name lookup */
+            multistate(data, CURLM_STATE_WAITRESOLVE);
+          else {
+            /* after the connect has been sent off, go WAITCONNECT unless the
+               protocol connect is already done and we can go directly to
+               WAITDO or DO! */
+            rc = CURLM_CALL_MULTI_PERFORM;
+
+            if(protocol_connect)
+              multistate(data, Curl_pipeline_wanted(multi, CURLPIPE_HTTP1)?
+                         CURLM_STATE_WAITDO:CURLM_STATE_DO);
+            else {
+#ifndef CURL_DISABLE_HTTP
+              if(Curl_connect_ongoing(data->conn))
+                multistate(data, CURLM_STATE_WAITPROXYCONNECT);
+              else
+#endif
+                multistate(data, CURLM_STATE_WAITCONNECT);
+            }
+          }
+        }
+      }
+      break;
+
+    case CURLM_STATE_WAITRESOLVE:
+      /* awaiting an asynch name resolve to complete */
+    {
+      struct Curl_dns_entry *dns = NULL;
+      struct connectdata *conn = data->conn;
+      const char *hostname;
+
+      if(conn->bits.httpproxy)
+        hostname = conn->http_proxy.host.name;
+      else if(conn->bits.conn_to_host)
+        hostname = conn->conn_to_host.name;
+      else
+        hostname = conn->host.name;
+
+      /* check if we have the name resolved by now */
+      dns = Curl_fetch_addr(conn, hostname, (int)conn->port);
+
+      if(dns) {
+#ifdef CURLRES_ASYNCH
+        conn->async.dns = dns;
+        conn->async.done = TRUE;
+#endif
+        result = CURLE_OK;
+        infof(data, "Hostname '%s' was found in DNS cache\n", hostname);
+      }
+
+      if(!dns)
+        result = Curl_resolv_check(data->conn, &dns);
+
+      /* Update sockets here, because the socket(s) may have been
+         closed and the application thus needs to be told, even if it
+         is likely that the same socket(s) will again be used further
+         down.  If the name has not yet been resolved, it is likely
+         that new sockets have been opened in an attempt to contact
+         another resolver. */
+      singlesocket(multi, data);
+
+      if(dns) {
+        /* Perform the next step in the connection phase, and then move on
+           to the WAITCONNECT state */
+        result = Curl_once_resolved(data->conn, &protocol_connect);
+
+        if(result)
+          /* if Curl_once_resolved() returns failure, the connection struct
+             is already freed and gone */
+          Curl_detach_connnection(data); /* no more connection */
+        else {
+          /* call again please so that we get the next socket setup */
+          rc = CURLM_CALL_MULTI_PERFORM;
+          if(protocol_connect)
+            multistate(data, Curl_pipeline_wanted(multi, CURLPIPE_HTTP1)?
+                       CURLM_STATE_WAITDO:CURLM_STATE_DO);
+          else {
+#ifndef CURL_DISABLE_HTTP
+            if(Curl_connect_ongoing(data->conn))
+              multistate(data, CURLM_STATE_WAITPROXYCONNECT);
+            else
+#endif
+              multistate(data, CURLM_STATE_WAITCONNECT);
+          }
+        }
+      }
+
+      if(result) {
+        /* failure detected */
+        stream_error = TRUE;
+        break;
+      }
+    }
+    break;
+
+#ifndef CURL_DISABLE_HTTP
+    case CURLM_STATE_WAITPROXYCONNECT:
+      /* this is HTTP-specific, but sending CONNECT to a proxy is HTTP... */
+      result = Curl_http_connect(data->conn, &protocol_connect);
+
+      if(data->conn->bits.proxy_connect_closed) {
+        rc = CURLM_CALL_MULTI_PERFORM;
+        /* connect back to proxy again */
+        result = CURLE_OK;
+        multi_done(data, CURLE_OK, FALSE);
+        multistate(data, CURLM_STATE_CONNECT);
+      }
+      else if(!result) {
+        if((data->conn->http_proxy.proxytype != CURLPROXY_HTTPS ||
+           data->conn->bits.proxy_ssl_connected[FIRSTSOCKET]) &&
+           Curl_connect_complete(data->conn)) {
+          rc = CURLM_CALL_MULTI_PERFORM;
+          /* initiate protocol connect phase */
+          multistate(data, CURLM_STATE_SENDPROTOCONNECT);
+        }
+      }
+      else if(result)
+        stream_error = TRUE;
+      break;
+#endif
+
+    case CURLM_STATE_WAITCONNECT:
+      /* awaiting a completion of an asynch TCP connect */
+      result = Curl_is_connected(data->conn, FIRSTSOCKET, &connected);
+      if(connected && !result) {
+#ifndef CURL_DISABLE_HTTP
+        if((data->conn->http_proxy.proxytype == CURLPROXY_HTTPS &&
+            !data->conn->bits.proxy_ssl_connected[FIRSTSOCKET]) ||
+           Curl_connect_ongoing(data->conn)) {
+          multistate(data, CURLM_STATE_WAITPROXYCONNECT);
+          break;
+        }
+#endif
+        rc = CURLM_CALL_MULTI_PERFORM;
+        multistate(data, data->conn->bits.tunnel_proxy?
+                   CURLM_STATE_WAITPROXYCONNECT:
+                   CURLM_STATE_SENDPROTOCONNECT);
+      }
+      else if(result) {
+        /* failure detected */
+        /* Just break, the cleaning up is handled all in one place */
+        stream_error = TRUE;
+        break;
+      }
+      break;
+
+    case CURLM_STATE_SENDPROTOCONNECT:
+      result = Curl_protocol_connect(data->conn, &protocol_connect);
+      if(!result && !protocol_connect)
+        /* switch to waiting state */
+        multistate(data, CURLM_STATE_PROTOCONNECT);
+      else if(!result) {
+        /* protocol connect has completed, go WAITDO or DO */
+        multistate(data, Curl_pipeline_wanted(multi, CURLPIPE_HTTP1)?
+                   CURLM_STATE_WAITDO:CURLM_STATE_DO);
+        rc = CURLM_CALL_MULTI_PERFORM;
+      }
+      else if(result) {
+        /* failure detected */
+        Curl_posttransfer(data);
+        multi_done(data, result, TRUE);
+        stream_error = TRUE;
+      }
+      break;
+
+    case CURLM_STATE_PROTOCONNECT:
+      /* protocol-specific connect phase */
+      result = Curl_protocol_connecting(data->conn, &protocol_connect);
+      if(!result && protocol_connect) {
+        /* after the connect has completed, go WAITDO or DO */
+        multistate(data, Curl_pipeline_wanted(multi, CURLPIPE_HTTP1)?
+                   CURLM_STATE_WAITDO:CURLM_STATE_DO);
+        rc = CURLM_CALL_MULTI_PERFORM;
+      }
+      else if(result) {
+        /* failure detected */
+        Curl_posttransfer(data);
+        multi_done(data, result, TRUE);
+        stream_error = TRUE;
+      }
+      break;
+
+    case CURLM_STATE_WAITDO:
+      /* Wait for our turn to DO when we're pipelining requests */
+      if(Curl_pipeline_checkget_write(data, data->conn)) {
+        /* Grabbed the channel */
+        multistate(data, CURLM_STATE_DO);
+        rc = CURLM_CALL_MULTI_PERFORM;
+      }
+      break;
+
+    case CURLM_STATE_DO:
+      if(data->set.connect_only) {
+        /* keep connection open for application to use the socket */
+        connkeep(data->conn, "CONNECT_ONLY");
+        multistate(data, CURLM_STATE_DONE);
+        result = CURLE_OK;
+        rc = CURLM_CALL_MULTI_PERFORM;
+      }
+      else {
+        /* Perform the protocol's DO action */
+        result = multi_do(data, &dophase_done);
+
+        /* When multi_do() returns failure, data->conn might be NULL! */
+
+        if(!result) {
+          if(!dophase_done) {
+            /* some steps needed for wildcard matching */
+            if(data->state.wildcardmatch) {
+              struct WildcardData *wc = &data->wildcard;
+              if(wc->state == CURLWC_DONE || wc->state == CURLWC_SKIP) {
+                /* skip some states if it is important */
+                multi_done(data, CURLE_OK, FALSE);
+                multistate(data, CURLM_STATE_DONE);
+                rc = CURLM_CALL_MULTI_PERFORM;
+                break;
+              }
+            }
+            /* DO was not completed in one function call, we must continue
+               DOING... */
+            multistate(data, CURLM_STATE_DOING);
+            rc = CURLM_OK;
+          }
+
+          /* after DO, go DO_DONE... or DO_MORE */
+          else if(data->conn->bits.do_more) {
+            /* we're supposed to do more, but we need to sit down, relax
+               and wait a little while first */
+            multistate(data, CURLM_STATE_DO_MORE);
+            rc = CURLM_OK;
+          }
+          else {
+            /* we're done with the DO, now DO_DONE */
+            multistate(data, CURLM_STATE_DO_DONE);
+            rc = CURLM_CALL_MULTI_PERFORM;
+          }
+        }
+        else if((CURLE_SEND_ERROR == result) &&
+                data->conn->bits.reuse) {
+          /*
+           * In this situation, a connection that we were trying to use
+           * may have unexpectedly died.  If possible, send the connection
+           * back to the CONNECT phase so we can try again.
+           */
+          char *newurl = NULL;
+          followtype follow = FOLLOW_NONE;
+          CURLcode drc;
+
+          drc = Curl_retry_request(data->conn, &newurl);
+          if(drc) {
+            /* a failure here pretty much implies an out of memory */
+            result = drc;
+            stream_error = TRUE;
+          }
+
+          Curl_posttransfer(data);
+          drc = multi_done(data, result, FALSE);
+
+          /* When set to retry the connection, we must to go back to
+           * the CONNECT state */
+          if(newurl) {
+            if(!drc || (drc == CURLE_SEND_ERROR)) {
+              follow = FOLLOW_RETRY;
+              drc = Curl_follow(data, newurl, follow);
+              if(!drc) {
+                multistate(data, CURLM_STATE_CONNECT);
+                rc = CURLM_CALL_MULTI_PERFORM;
+                result = CURLE_OK;
+              }
+              else {
+                /* Follow failed */
+                result = drc;
+              }
+            }
+            else {
+              /* done didn't return OK or SEND_ERROR */
+              result = drc;
+            }
+          }
+          else {
+            /* Have error handler disconnect conn if we can't retry */
+            stream_error = TRUE;
+          }
+          free(newurl);
+        }
+        else {
+          /* failure detected */
+          Curl_posttransfer(data);
+          if(data->conn)
+            multi_done(data, result, FALSE);
+          stream_error = TRUE;
+        }
+      }
+      break;
+
+    case CURLM_STATE_DOING:
+      /* we continue DOING until the DO phase is complete */
+      result = Curl_protocol_doing(data->conn,
+                                   &dophase_done);
+      if(!result) {
+        if(dophase_done) {
+          /* after DO, go DO_DONE or DO_MORE */
+          multistate(data, data->conn->bits.do_more?
+                     CURLM_STATE_DO_MORE:
+                     CURLM_STATE_DO_DONE);
+          rc = CURLM_CALL_MULTI_PERFORM;
+        } /* dophase_done */
+      }
+      else {
+        /* failure detected */
+        Curl_posttransfer(data);
+        multi_done(data, result, FALSE);
+        stream_error = TRUE;
+      }
+      break;
+
+    case CURLM_STATE_DO_MORE:
+      /*
+       * When we are connected, DO MORE and then go DO_DONE
+       */
+      result = multi_do_more(data->conn, &control);
+
+      /* No need to remove this handle from the send pipeline here since that
+         is done in multi_done() */
+      if(!result) {
+        if(control) {
+          /* if positive, advance to DO_DONE
+             if negative, go back to DOING */
+          multistate(data, control == 1?
+                     CURLM_STATE_DO_DONE:
+                     CURLM_STATE_DOING);
+          rc = CURLM_CALL_MULTI_PERFORM;
+        }
+        else
+          /* stay in DO_MORE */
+          rc = CURLM_OK;
+      }
+      else {
+        /* failure detected */
+        Curl_posttransfer(data);
+        multi_done(data, result, FALSE);
+        stream_error = TRUE;
+      }
+      break;
+
+    case CURLM_STATE_DO_DONE:
+      /* Move ourselves from the send to recv pipeline */
+      Curl_move_handle_from_send_to_recv_pipe(data, data->conn);
+
+      if(data->conn->bits.multiplex || data->conn->send_pipe.size)
+        /* Check if we can move pending requests to send pipe */
+        process_pending_handles(multi); /*  pipelined/multiplexed */
+
+      /* Only perform the transfer if there's a good socket to work with.
+         Having both BAD is a signal to skip immediately to DONE */
+      if((data->conn->sockfd != CURL_SOCKET_BAD) ||
+         (data->conn->writesockfd != CURL_SOCKET_BAD))
+        multistate(data, CURLM_STATE_WAITPERFORM);
+      else {
+        if(data->state.wildcardmatch &&
+           ((data->conn->handler->flags & PROTOPT_WILDCARD) == 0)) {
+           data->wildcard.state = CURLWC_DONE;
+        }
+        multistate(data, CURLM_STATE_DONE);
+      }
+      rc = CURLM_CALL_MULTI_PERFORM;
+      break;
+
+    case CURLM_STATE_WAITPERFORM:
+      /* Wait for our turn to PERFORM */
+      if(Curl_pipeline_checkget_read(data, data->conn)) {
+        /* Grabbed the channel */
+        multistate(data, CURLM_STATE_PERFORM);
+        rc = CURLM_CALL_MULTI_PERFORM;
+      }
+      break;
+
+    case CURLM_STATE_TOOFAST: /* limit-rate exceeded in either direction */
+      /* if both rates are within spec, resume transfer */
+      if(Curl_pgrsUpdate(data->conn))
+        result = CURLE_ABORTED_BY_CALLBACK;
+      else
+        result = Curl_speedcheck(data, now);
+
+      if(!result) {
+        send_timeout_ms = 0;
+        if(data->set.max_send_speed > 0)
+          send_timeout_ms =
+            Curl_pgrsLimitWaitTime(data->progress.uploaded,
+                                   data->progress.ul_limit_size,
+                                   data->set.max_send_speed,
+                                   data->progress.ul_limit_start,
+                                   now);
+
+        recv_timeout_ms = 0;
+        if(data->set.max_recv_speed > 0)
+          recv_timeout_ms =
+            Curl_pgrsLimitWaitTime(data->progress.downloaded,
+                                   data->progress.dl_limit_size,
+                                   data->set.max_recv_speed,
+                                   data->progress.dl_limit_start,
+                                   now);
+
+        if(!send_timeout_ms && !recv_timeout_ms) {
+          multistate(data, CURLM_STATE_PERFORM);
+          Curl_ratelimit(data, now);
+        }
+        else if(send_timeout_ms >= recv_timeout_ms)
+          Curl_expire(data, send_timeout_ms, EXPIRE_TOOFAST);
+        else
+          Curl_expire(data, recv_timeout_ms, EXPIRE_TOOFAST);
+      }
+      break;
+
+    case CURLM_STATE_PERFORM:
+    {
+      char *newurl = NULL;
+      bool retry = FALSE;
+      bool comeback = FALSE;
+
+      /* check if over send speed */
+      send_timeout_ms = 0;
+      if(data->set.max_send_speed > 0)
+        send_timeout_ms = Curl_pgrsLimitWaitTime(data->progress.uploaded,
+                                                 data->progress.ul_limit_size,
+                                                 data->set.max_send_speed,
+                                                 data->progress.ul_limit_start,
+                                                 now);
+
+      /* check if over recv speed */
+      recv_timeout_ms = 0;
+      if(data->set.max_recv_speed > 0)
+        recv_timeout_ms = Curl_pgrsLimitWaitTime(data->progress.downloaded,
+                                                 data->progress.dl_limit_size,
+                                                 data->set.max_recv_speed,
+                                                 data->progress.dl_limit_start,
+                                                 now);
+
+      if(send_timeout_ms || recv_timeout_ms) {
+        Curl_ratelimit(data, now);
+        multistate(data, CURLM_STATE_TOOFAST);
+        if(send_timeout_ms >= recv_timeout_ms)
+          Curl_expire(data, send_timeout_ms, EXPIRE_TOOFAST);
+        else
+          Curl_expire(data, recv_timeout_ms, EXPIRE_TOOFAST);
+        break;
+      }
+
+      /* read/write data if it is ready to do so */
+      result = Curl_readwrite(data->conn, data, &done, &comeback);
+
+      k = &data->req;
+
+      if(!(k->keepon & KEEP_RECV))
+        /* We're done receiving */
+        Curl_pipeline_leave_read(data->conn);
+
+      if(!(k->keepon & KEEP_SEND))
+        /* We're done sending */
+        Curl_pipeline_leave_write(data->conn);
+
+      if(done || (result == CURLE_RECV_ERROR)) {
+        /* If CURLE_RECV_ERROR happens early enough, we assume it was a race
+         * condition and the server closed the re-used connection exactly when
+         * we wanted to use it, so figure out if that is indeed the case.
+         */
+        CURLcode ret = Curl_retry_request(data->conn, &newurl);
+        if(!ret)
+          retry = (newurl)?TRUE:FALSE;
+        else if(!result)
+          result = ret;
+
+        if(retry) {
+          /* if we are to retry, set the result to OK and consider the
+             request as done */
+          result = CURLE_OK;
+          done = TRUE;
+        }
+      }
+      else if((CURLE_HTTP2_STREAM == result) &&
+                Curl_h2_http_1_1_error(data->conn)) {
+        CURLcode ret = Curl_retry_request(data->conn, &newurl);
+
+        infof(data, "Forcing HTTP/1.1 for NTLM");
+        data->set.httpversion = CURL_HTTP_VERSION_1_1;
+
+        if(!ret)
+          retry = (newurl)?TRUE:FALSE;
+        else
+          result = ret;
+
+        if(retry) {
+          /* if we are to retry, set the result to OK and consider the
+             request as done */
+          result = CURLE_OK;
+          done = TRUE;
+        }
+      }
+
+      if(result) {
+        /*
+         * The transfer phase returned error, we mark the connection to get
+         * closed to prevent being re-used. This is because we can't possibly
+         * know if the connection is in a good shape or not now.  Unless it is
+         * a protocol which uses two "channels" like FTP, as then the error
+         * happened in the data connection.
+         */
+
+        if(!(data->conn->handler->flags & PROTOPT_DUAL) &&
+           result != CURLE_HTTP2_STREAM)
+          streamclose(data->conn, "Transfer returned error");
+
+        Curl_posttransfer(data);
+        multi_done(data, result, TRUE);
+      }
+      else if(done) {
+        followtype follow = FOLLOW_NONE;
+
+        /* call this even if the readwrite function returned error */
+        Curl_posttransfer(data);
+
+        /* we're no longer receiving */
+        Curl_removeHandleFromPipeline(data, &data->conn->recv_pipe);
+
+        /* expire the new receiving pipeline head */
+        if(data->conn->recv_pipe.head)
+          Curl_expire(data->conn->recv_pipe.head->ptr, 0, EXPIRE_RUN_NOW);
+
+        /* When we follow redirects or is set to retry the connection, we must
+           to go back to the CONNECT state */
+        if(data->req.newurl || retry) {
+          if(!retry) {
+            /* if the URL is a follow-location and not just a retried request
+               then figure out the URL here */
+            free(newurl);
+            newurl = data->req.newurl;
+            data->req.newurl = NULL;
+            follow = FOLLOW_REDIR;
+          }
+          else
+            follow = FOLLOW_RETRY;
+          result = multi_done(data, CURLE_OK, FALSE);
+          if(!result) {
+            result = Curl_follow(data, newurl, follow);
+            if(!result) {
+              multistate(data, CURLM_STATE_CONNECT);
+              rc = CURLM_CALL_MULTI_PERFORM;
+            }
+          }
+          free(newurl);
+        }
+        else {
+          /* after the transfer is done, go DONE */
+
+          /* but first check to see if we got a location info even though we're
+             not following redirects */
+          if(data->req.location) {
+            free(newurl);
+            newurl = data->req.location;
+            data->req.location = NULL;
+            result = Curl_follow(data, newurl, FOLLOW_FAKE);
+            free(newurl);
+            if(result) {
+              stream_error = TRUE;
+              result = multi_done(data, result, TRUE);
+            }
+          }
+
+          if(!result) {
+            multistate(data, CURLM_STATE_DONE);
+            rc = CURLM_CALL_MULTI_PERFORM;
+          }
+        }
+      }
+      else if(comeback)
+        rc = CURLM_CALL_MULTI_PERFORM;
+      break;
+    }
+
+    case CURLM_STATE_DONE:
+      /* this state is highly transient, so run another loop after this */
+      rc = CURLM_CALL_MULTI_PERFORM;
+
+      if(data->conn) {
+        CURLcode res;
+
+        /* Remove ourselves from the receive pipeline, if we are there. */
+        Curl_removeHandleFromPipeline(data, &data->conn->recv_pipe);
+
+        if(data->conn->bits.multiplex || data->conn->send_pipe.size)
+          /* Check if we can move pending requests to connection */
+          process_pending_handles(multi); /* pipelined/multiplexing */
+
+        /* post-transfer command */
+        res = multi_done(data, result, FALSE);
+
+        /* allow a previously set error code take precedence */
+        if(!result)
+          result = res;
+
+        /*
+         * If there are other handles on the pipeline, multi_done won't set
+         * conn to NULL.  In such a case, curl_multi_remove_handle() can
+         * access free'd data, if the connection is free'd and the handle
+         * removed before we perform the processing in CURLM_STATE_COMPLETED
+         */
+        if(data->conn)
+          Curl_detach_connnection(data);
+      }
+
+      if(data->state.wildcardmatch) {
+        if(data->wildcard.state != CURLWC_DONE) {
+          /* if a wildcard is set and we are not ending -> lets start again
+             with CURLM_STATE_INIT */
+          multistate(data, CURLM_STATE_INIT);
+          break;
+        }
+      }
+
+      /* after we have DONE what we're supposed to do, go COMPLETED, and
+         it doesn't matter what the multi_done() returned! */
+      multistate(data, CURLM_STATE_COMPLETED);
+      break;
+
+    case CURLM_STATE_COMPLETED:
+      break;
+
+    case CURLM_STATE_MSGSENT:
+      data->result = result;
+      return CURLM_OK; /* do nothing */
+
+    default:
+      return CURLM_INTERNAL_ERROR;
+    }
+    statemachine_end:
+
+    if(data->mstate < CURLM_STATE_COMPLETED) {
+      if(result) {
+        /*
+         * If an error was returned, and we aren't in completed state now,
+         * then we go to completed and consider this transfer aborted.
+         */
+
+        /* NOTE: no attempt to disconnect connections must be made
+           in the case blocks above - cleanup happens only here */
+
+        /* Check if we can move pending requests to send pipe */
+        process_pending_handles(multi); /* connection */
+
+        if(data->conn) {
+          /* if this has a connection, unsubscribe from the pipelines */
+          Curl_pipeline_leave_write(data->conn);
+          Curl_pipeline_leave_read(data->conn);
+          Curl_removeHandleFromPipeline(data, &data->conn->send_pipe);
+          Curl_removeHandleFromPipeline(data, &data->conn->recv_pipe);
+
+          if(stream_error) {
+            /* Don't attempt to send data over a connection that timed out */
+            bool dead_connection = result == CURLE_OPERATION_TIMEDOUT;
+            /* disconnect properly */
+            Curl_disconnect(data, data->conn, dead_connection);
+
+            /* This is where we make sure that the conn pointer is reset.
+               We don't have to do this in every case block above where a
+               failure is detected */
+            Curl_detach_connnection(data);
+          }
+        }
+        else if(data->mstate == CURLM_STATE_CONNECT) {
+          /* Curl_connect() failed */
+          (void)Curl_posttransfer(data);
+        }
+
+        multistate(data, CURLM_STATE_COMPLETED);
+        rc = CURLM_CALL_MULTI_PERFORM;
+      }
+      /* if there's still a connection to use, call the progress function */
+      else if(data->conn && Curl_pgrsUpdate(data->conn)) {
+        /* aborted due to progress callback return code must close the
+           connection */
+        result = CURLE_ABORTED_BY_CALLBACK;
+        streamclose(data->conn, "Aborted by callback");
+
+        /* if not yet in DONE state, go there, otherwise COMPLETED */
+        multistate(data, (data->mstate < CURLM_STATE_DONE)?
+                   CURLM_STATE_DONE: CURLM_STATE_COMPLETED);
+        rc = CURLM_CALL_MULTI_PERFORM;
+      }
+    }
+
+    if(CURLM_STATE_COMPLETED == data->mstate) {
+      if(data->set.fmultidone) {
+        /* signal via callback instead */
+        data->set.fmultidone(data, result);
+      }
+      else {
+        /* now fill in the Curl_message with this info */
+        msg = &data->msg;
+
+        msg->extmsg.msg = CURLMSG_DONE;
+        msg->extmsg.easy_handle = data;
+        msg->extmsg.data.result = result;
+
+        rc = multi_addmsg(multi, msg);
+        DEBUGASSERT(!data->conn);
+      }
+      multistate(data, CURLM_STATE_MSGSENT);
+    }
+  } while((rc == CURLM_CALL_MULTI_PERFORM) || multi_ischanged(multi, FALSE));
+
+  data->result = result;
+  return rc;
+}
+
+
+CURLMcode curl_multi_perform(struct Curl_multi *multi, int *running_handles)
+{
+  struct Curl_easy *data;
+  CURLMcode returncode = CURLM_OK;
+  struct Curl_tree *t;
+  struct curltime now = Curl_now();
+
+  if(!GOOD_MULTI_HANDLE(multi))
+    return CURLM_BAD_HANDLE;
+
+  if(multi->in_callback)
+    return CURLM_RECURSIVE_API_CALL;
+
+  data = multi->easyp;
+  while(data) {
+    CURLMcode result;
+    SIGPIPE_VARIABLE(pipe_st);
+
+    sigpipe_ignore(data, &pipe_st);
+    result = multi_runsingle(multi, now, data);
+    sigpipe_restore(&pipe_st);
+
+    if(result)
+      returncode = result;
+
+    data = data->next; /* operate on next handle */
+  }
+
+  /*
+   * Simply remove all expired timers from the splay since handles are dealt
+   * with unconditionally by this function and curl_multi_timeout() requires
+   * that already passed/handled expire times are removed from the splay.
+   *
+   * It is important that the 'now' value is set at the entry of this function
+   * and not for the current time as it may have ticked a little while since
+   * then and then we risk this loop to remove timers that actually have not
+   * been handled!
+   */
+  do {
+    multi->timetree = Curl_splaygetbest(now, multi->timetree, &t);
+    if(t)
+      /* the removed may have another timeout in queue */
+      (void)add_next_timeout(now, multi, t->payload);
+
+  } while(t);
+
+  *running_handles = multi->num_alive;
+
+  if(CURLM_OK >= returncode)
+    update_timer(multi);
+
+  return returncode;
+}
+
+CURLMcode curl_multi_cleanup(struct Curl_multi *multi)
+{
+  struct Curl_easy *data;
+  struct Curl_easy *nextdata;
+
+  if(GOOD_MULTI_HANDLE(multi)) {
+    if(multi->in_callback)
+      return CURLM_RECURSIVE_API_CALL;
+
+    multi->type = 0; /* not good anymore */
+
+    /* Firsrt remove all remaining easy handles */
+    data = multi->easyp;
+    while(data) {
+      nextdata = data->next;
+      if(!data->state.done && data->conn)
+        /* if DONE was never called for this handle */
+        (void)multi_done(data, CURLE_OK, TRUE);
+      if(data->dns.hostcachetype == HCACHE_MULTI) {
+        /* clear out the usage of the shared DNS cache */
+        Curl_hostcache_clean(data, data->dns.hostcache);
+        data->dns.hostcache = NULL;
+        data->dns.hostcachetype = HCACHE_NONE;
+      }
+
+      /* Clear the pointer to the connection cache */
+      data->state.conn_cache = NULL;
+      data->multi = NULL; /* clear the association */
+
+#ifdef USE_LIBPSL
+      if(data->psl == &multi->psl)
+        data->psl = NULL;
+#endif
+
+      data = nextdata;
+    }
+
+    /* Close all the connections in the connection cache */
+    Curl_conncache_close_all_connections(&multi->conn_cache);
+
+    Curl_hash_destroy(&multi->sockhash);
+    Curl_conncache_destroy(&multi->conn_cache);
+    Curl_llist_destroy(&multi->msglist, NULL);
+    Curl_llist_destroy(&multi->pending, NULL);
+
+    Curl_hash_destroy(&multi->hostcache);
+    Curl_psl_destroy(&multi->psl);
+
+    /* Free the blacklists by setting them to NULL */
+    Curl_pipeline_set_site_blacklist(NULL, &multi->pipelining_site_bl);
+    Curl_pipeline_set_server_blacklist(NULL, &multi->pipelining_server_bl);
+
+    free(multi);
+
+    return CURLM_OK;
+  }
+  return CURLM_BAD_HANDLE;
+}
+
+/*
+ * curl_multi_info_read()
+ *
+ * This function is the primary way for a multi/multi_socket application to
+ * figure out if a transfer has ended. We MUST make this function as fast as
+ * possible as it will be polled frequently and we MUST NOT scan any lists in
+ * here to figure out things. We must scale fine to thousands of handles and
+ * beyond. The current design is fully O(1).
+ */
+
+CURLMsg *curl_multi_info_read(struct Curl_multi *multi, int *msgs_in_queue)
+{
+  struct Curl_message *msg;
+
+  *msgs_in_queue = 0; /* default to none */
+
+  if(GOOD_MULTI_HANDLE(multi) &&
+     !multi->in_callback &&
+     Curl_llist_count(&multi->msglist)) {
+    /* there is one or more messages in the list */
+    struct curl_llist_element *e;
+
+    /* extract the head of the list to return */
+    e = multi->msglist.head;
+
+    msg = e->ptr;
+
+    /* remove the extracted entry */
+    Curl_llist_remove(&multi->msglist, e, NULL);
+
+    *msgs_in_queue = curlx_uztosi(Curl_llist_count(&multi->msglist));
+
+    return &msg->extmsg;
+  }
+  return NULL;
+}
+
+/*
+ * singlesocket() checks what sockets we deal with and their "action state"
+ * and if we have a different state in any of those sockets from last time we
+ * call the callback accordingly.
+ */
+static CURLMcode singlesocket(struct Curl_multi *multi,
+                              struct Curl_easy *data)
+{
+  curl_socket_t socks[MAX_SOCKSPEREASYHANDLE];
+  int i;
+  struct Curl_sh_entry *entry;
+  curl_socket_t s;
+  int num;
+  unsigned int curraction;
+  int actions[MAX_SOCKSPEREASYHANDLE];
+  unsigned int comboaction;
+  bool sincebefore = FALSE;
+
+  for(i = 0; i< MAX_SOCKSPEREASYHANDLE; i++)
+    socks[i] = CURL_SOCKET_BAD;
+
+  /* Fill in the 'current' struct with the state as it is now: what sockets to
+     supervise and for what actions */
+  curraction = multi_getsock(data, socks, MAX_SOCKSPEREASYHANDLE);
+
+  /* We have 0 .. N sockets already and we get to know about the 0 .. M
+     sockets we should have from now on. Detect the differences, remove no
+     longer supervised ones and add new ones */
+
+  /* walk over the sockets we got right now */
+  for(i = 0; (i< MAX_SOCKSPEREASYHANDLE) &&
+        (curraction & (GETSOCK_READSOCK(i) | GETSOCK_WRITESOCK(i)));
+      i++) {
+    unsigned int action = CURL_POLL_NONE;
+    unsigned int prevaction = 0;
+
+    s = socks[i];
+
+    /* get it from the hash */
+    entry = sh_getentry(&multi->sockhash, s);
+
+    if(curraction & GETSOCK_READSOCK(i))
+      action |= CURL_POLL_IN;
+    if(curraction & GETSOCK_WRITESOCK(i))
+      action |= CURL_POLL_OUT;
+
+    actions[i] = action;
+    if(entry) {
+      /* check if new for this transfer */
+      for(i = 0; i< data->numsocks; i++) {
+        if(s == data->sockets[i]) {
+          prevaction = data->actions[i];
+          sincebefore = TRUE;
+          break;
+        }
+      }
+
+    }
+    else {
+      /* this is a socket we didn't have before, add it to the hash! */
+      entry = sh_addentry(&multi->sockhash, s);
+      if(!entry)
+        /* fatal */
+        return CURLM_OUT_OF_MEMORY;
+    }
+    if(sincebefore && (prevaction != action)) {
+      /* Socket was used already, but different action now */
+      if(prevaction & CURL_POLL_IN)
+        entry->readers--;
+      if(prevaction & CURL_POLL_OUT)
+        entry->writers--;
+      if(action & CURL_POLL_IN)
+        entry->readers++;
+      if(action & CURL_POLL_OUT)
+        entry->writers++;
+    }
+    else if(!sincebefore) {
+      /* a new user */
+      entry->users++;
+      if(action & CURL_POLL_IN)
+        entry->readers++;
+      if(action & CURL_POLL_OUT)
+        entry->writers++;
+
+      /* add 'data' to the list of handles using this socket! */
+      Curl_llist_insert_next(&entry->list, entry->list.tail,
+                             data, &data->sh_queue);
+    }
+
+    comboaction = (entry->writers? CURL_POLL_OUT : 0) |
+      (entry->readers ? CURL_POLL_IN : 0);
+
+#if 0
+    infof(data, "--- Comboaction: %u readers %u writers\n",
+          entry->readers, entry->writers);
+#endif
+    /* check if it has the same action set */
+    if(entry->action == comboaction)
+      /* same, continue */
+      continue;
+
+    /* we know (entry != NULL) at this point, see the logic above */
+    if(multi->socket_cb)
+      multi->socket_cb(data,
+                       s,
+                       comboaction,
+                       multi->socket_userp,
+                       entry->socketp);
+
+    entry->action = comboaction; /* store the current action state */
+  }
+
+  num = i; /* number of sockets */
+
+  /* when we've walked over all the sockets we should have right now, we must
+     make sure to detect sockets that are removed */
+  for(i = 0; i< data->numsocks; i++) {
+    int j;
+    bool stillused = FALSE;
+    s = data->sockets[i];
+    for(j = 0; j < num; j++) {
+      if(s == socks[j]) {
+        /* this is still supervised */
+        stillused = TRUE;
+        break;
+      }
+    }
+    if(stillused)
+      continue;
+
+    entry = sh_getentry(&multi->sockhash, s);
+    /* if this is NULL here, the socket has been closed and notified so
+       already by Curl_multi_closed() */
+    if(entry) {
+      int oldactions = data->actions[i];
+      /* this socket has been removed. Decrease user count */
+      entry->users--;
+      if(oldactions & CURL_POLL_OUT)
+        entry->writers--;
+      if(oldactions & CURL_POLL_IN)
+        entry->readers--;
+      if(!entry->users) {
+        if(multi->socket_cb)
+          multi->socket_cb(data, s, CURL_POLL_REMOVE,
+                           multi->socket_userp,
+                           entry->socketp);
+        sh_delentry(&multi->sockhash, s);
+      }
+      else {
+        /* remove this transfer as a user of this socket */
+        Curl_llist_remove(&entry->list, &data->sh_queue, NULL);
+      }
+    }
+  } /* for loop over numsocks */
+
+  memcpy(data->sockets, socks, num*sizeof(curl_socket_t));
+  memcpy(data->actions, actions, num*sizeof(int));
+  data->numsocks = num;
+  return CURLM_OK;
+}
+
+void Curl_updatesocket(struct Curl_easy *data)
+{
+  singlesocket(data->multi, data);
+}
+
+
+/*
+ * Curl_multi_closed()
+ *
+ * Used by the connect code to tell the multi_socket code that one of the
+ * sockets we were using is about to be closed.  This function will then
+ * remove it from the sockethash for this handle to make the multi_socket API
+ * behave properly, especially for the case when libcurl will create another
+ * socket again and it gets the same file descriptor number.
+ */
+
+void Curl_multi_closed(struct Curl_easy *data, curl_socket_t s)
+{
+  if(data) {
+    /* if there's still an easy handle associated with this connection */
+    struct Curl_multi *multi = data->multi;
+    if(multi) {
+      /* this is set if this connection is part of a handle that is added to
+         a multi handle, and only then this is necessary */
+      struct Curl_sh_entry *entry = sh_getentry(&multi->sockhash, s);
+
+      if(entry) {
+        if(multi->socket_cb)
+          multi->socket_cb(data, s, CURL_POLL_REMOVE,
+                           multi->socket_userp,
+                           entry->socketp);
+
+        /* now remove it from the socket hash */
+        sh_delentry(&multi->sockhash, s);
+      }
+    }
+  }
+}
+
+/*
+ * add_next_timeout()
+ *
+ * Each Curl_easy has a list of timeouts. The add_next_timeout() is called
+ * when it has just been removed from the splay tree because the timeout has
+ * expired. This function is then to advance in the list to pick the next
+ * timeout to use (skip the already expired ones) and add this node back to
+ * the splay tree again.
+ *
+ * The splay tree only has each sessionhandle as a single node and the nearest
+ * timeout is used to sort it on.
+ */
+static CURLMcode add_next_timeout(struct curltime now,
+                                  struct Curl_multi *multi,
+                                  struct Curl_easy *d)
+{
+  struct curltime *tv = &d->state.expiretime;
+  struct curl_llist *list = &d->state.timeoutlist;
+  struct curl_llist_element *e;
+  struct time_node *node = NULL;
+
+  /* move over the timeout list for this specific handle and remove all
+     timeouts that are now passed tense and store the next pending
+     timeout in *tv */
+  for(e = list->head; e;) {
+    struct curl_llist_element *n = e->next;
+    timediff_t diff;
+    node = (struct time_node *)e->ptr;
+    diff = Curl_timediff(node->time, now);
+    if(diff <= 0)
+      /* remove outdated entry */
+      Curl_llist_remove(list, e, NULL);
+    else
+      /* the list is sorted so get out on the first mismatch */
+      break;
+    e = n;
+  }
+  e = list->head;
+  if(!e) {
+    /* clear the expire times within the handles that we remove from the
+       splay tree */
+    tv->tv_sec = 0;
+    tv->tv_usec = 0;
+  }
+  else {
+    /* copy the first entry to 'tv' */
+    memcpy(tv, &node->time, sizeof(*tv));
+
+    /* Insert this node again into the splay.  Keep the timer in the list in
+       case we need to recompute future timers. */
+    multi->timetree = Curl_splayinsert(*tv, multi->timetree,
+                                       &d->state.timenode);
+  }
+  return CURLM_OK;
+}
+
+static CURLMcode multi_socket(struct Curl_multi *multi,
+                              bool checkall,
+                              curl_socket_t s,
+                              int ev_bitmask,
+                              int *running_handles)
+{
+  CURLMcode result = CURLM_OK;
+  struct Curl_easy *data = NULL;
+  struct Curl_tree *t;
+  struct curltime now = Curl_now();
+
+  if(checkall) {
+    /* *perform() deals with running_handles on its own */
+    result = curl_multi_perform(multi, running_handles);
+
+    /* walk through each easy handle and do the socket state change magic
+       and callbacks */
+    if(result != CURLM_BAD_HANDLE) {
+      data = multi->easyp;
+      while(data && !result) {
+        result = singlesocket(multi, data);
+        data = data->next;
+      }
+    }
+
+    /* or should we fall-through and do the timer-based stuff? */
+    return result;
+  }
+  if(s != CURL_SOCKET_TIMEOUT) {
+
+    struct Curl_sh_entry *entry = sh_getentry(&multi->sockhash, s);
+
+    if(!entry)
+      /* Unmatched socket, we can't act on it but we ignore this fact.  In
+         real-world tests it has been proved that libevent can in fact give
+         the application actions even though the socket was just previously
+         asked to get removed, so thus we better survive stray socket actions
+         and just move on. */
+      ;
+    else {
+      struct curl_llist *list = &entry->list;
+      struct curl_llist_element *e;
+      SIGPIPE_VARIABLE(pipe_st);
+
+      /* the socket can be shared by many transfers, iterate */
+      for(e = list->head; e; e = e->next) {
+        data = (struct Curl_easy *)e->ptr;
+
+        if(data->magic != CURLEASY_MAGIC_NUMBER)
+          /* bad bad bad bad bad bad bad */
+          return CURLM_INTERNAL_ERROR;
+
+        /* If the pipeline is enabled, take the handle which is in the head of
+           the pipeline. If we should write into the socket, take the
+           send_pipe head. If we should read from the socket, take the
+           recv_pipe head. */
+        if(data->conn) {
+          if((ev_bitmask & CURL_POLL_OUT) &&
+             data->conn->send_pipe.head)
+            data = data->conn->send_pipe.head->ptr;
+          else if((ev_bitmask & CURL_POLL_IN) &&
+                  data->conn->recv_pipe.head)
+            data = data->conn->recv_pipe.head->ptr;
+        }
+
+        if(data->conn && !(data->conn->handler->flags & PROTOPT_DIRLOCK))
+          /* set socket event bitmask if they're not locked */
+          data->conn->cselect_bits = ev_bitmask;
+
+        sigpipe_ignore(data, &pipe_st);
+        result = multi_runsingle(multi, now, data);
+        sigpipe_restore(&pipe_st);
+
+        if(data->conn && !(data->conn->handler->flags & PROTOPT_DIRLOCK))
+          /* clear the bitmask only if not locked */
+          data->conn->cselect_bits = 0;
+
+        if(CURLM_OK >= result) {
+          /* get the socket(s) and check if the state has been changed since
+             last */
+          result = singlesocket(multi, data);
+          if(result)
+            return result;
+        }
+      }
+
+      /* Now we fall-through and do the timer-based stuff, since we don't want
+         to force the user to have to deal with timeouts as long as at least
+         one connection in fact has traffic. */
+
+      data = NULL; /* set data to NULL again to avoid calling
+                      multi_runsingle() in case there's no need to */
+      now = Curl_now(); /* get a newer time since the multi_runsingle() loop
+                           may have taken some time */
+    }
+  }
+  else {
+    /* Asked to run due to time-out. Clear the 'lastcall' variable to force
+       update_timer() to trigger a callback to the app again even if the same
+       timeout is still the one to run after this call. That handles the case
+       when the application asks libcurl to run the timeout prematurely. */
+    memset(&multi->timer_lastcall, 0, sizeof(multi->timer_lastcall));
+  }
+
+  /*
+   * The loop following here will go on as long as there are expire-times left
+   * to process in the splay and 'data' will be re-assigned for every expired
+   * handle we deal with.
+   */
+  do {
+    /* the first loop lap 'data' can be NULL */
+    if(data) {
+      SIGPIPE_VARIABLE(pipe_st);
+
+      sigpipe_ignore(data, &pipe_st);
+      result = multi_runsingle(multi, now, data);
+      sigpipe_restore(&pipe_st);
+
+      if(CURLM_OK >= result) {
+        /* get the socket(s) and check if the state has been changed since
+           last */
+        result = singlesocket(multi, data);
+        if(result)
+          return result;
+      }
+    }
+
+    /* Check if there's one (more) expired timer to deal with! This function
+       extracts a matching node if there is one */
+
+    multi->timetree = Curl_splaygetbest(now, multi->timetree, &t);
+    if(t) {
+      data = t->payload; /* assign this for next loop */
+      (void)add_next_timeout(now, multi, t->payload);
+    }
+
+  } while(t);
+
+  *running_handles = multi->num_alive;
+  return result;
+}
+
+#undef curl_multi_setopt
+CURLMcode curl_multi_setopt(struct Curl_multi *multi,
+                            CURLMoption option, ...)
+{
+  CURLMcode res = CURLM_OK;
+  va_list param;
+
+  if(!GOOD_MULTI_HANDLE(multi))
+    return CURLM_BAD_HANDLE;
+
+  if(multi->in_callback)
+    return CURLM_RECURSIVE_API_CALL;
+
+  va_start(param, option);
+
+  switch(option) {
+  case CURLMOPT_SOCKETFUNCTION:
+    multi->socket_cb = va_arg(param, curl_socket_callback);
+    break;
+  case CURLMOPT_SOCKETDATA:
+    multi->socket_userp = va_arg(param, void *);
+    break;
+  case CURLMOPT_PUSHFUNCTION:
+    multi->push_cb = va_arg(param, curl_push_callback);
+    break;
+  case CURLMOPT_PUSHDATA:
+    multi->push_userp = va_arg(param, void *);
+    break;
+  case CURLMOPT_PIPELINING:
+    multi->pipelining = va_arg(param, long) & CURLPIPE_MULTIPLEX;
+    break;
+  case CURLMOPT_TIMERFUNCTION:
+    multi->timer_cb = va_arg(param, curl_multi_timer_callback);
+    break;
+  case CURLMOPT_TIMERDATA:
+    multi->timer_userp = va_arg(param, void *);
+    break;
+  case CURLMOPT_MAXCONNECTS:
+    multi->maxconnects = va_arg(param, long);
+    break;
+  case CURLMOPT_MAX_HOST_CONNECTIONS:
+    multi->max_host_connections = va_arg(param, long);
+    break;
+  case CURLMOPT_MAX_PIPELINE_LENGTH:
+    multi->max_pipeline_length = va_arg(param, long);
+    break;
+  case CURLMOPT_CONTENT_LENGTH_PENALTY_SIZE:
+    multi->content_length_penalty_size = va_arg(param, long);
+    break;
+  case CURLMOPT_CHUNK_LENGTH_PENALTY_SIZE:
+    multi->chunk_length_penalty_size = va_arg(param, long);
+    break;
+  case CURLMOPT_PIPELINING_SITE_BL:
+    res = Curl_pipeline_set_site_blacklist(va_arg(param, char **),
+                                           &multi->pipelining_site_bl);
+    break;
+  case CURLMOPT_PIPELINING_SERVER_BL:
+    res = Curl_pipeline_set_server_blacklist(va_arg(param, char **),
+                                             &multi->pipelining_server_bl);
+    break;
+  case CURLMOPT_MAX_TOTAL_CONNECTIONS:
+    multi->max_total_connections = va_arg(param, long);
+    break;
+  default:
+    res = CURLM_UNKNOWN_OPTION;
+    break;
+  }
+  va_end(param);
+  return res;
+}
+
+/* we define curl_multi_socket() in the public multi.h header */
+#undef curl_multi_socket
+
+CURLMcode curl_multi_socket(struct Curl_multi *multi, curl_socket_t s,
+                            int *running_handles)
+{
+  CURLMcode result;
+  if(multi->in_callback)
+    return CURLM_RECURSIVE_API_CALL;
+  result = multi_socket(multi, FALSE, s, 0, running_handles);
+  if(CURLM_OK >= result)
+    update_timer(multi);
+  return result;
+}
+
+CURLMcode curl_multi_socket_action(struct Curl_multi *multi, curl_socket_t s,
+                                   int ev_bitmask, int *running_handles)
+{
+  CURLMcode result;
+  if(multi->in_callback)
+    return CURLM_RECURSIVE_API_CALL;
+  result = multi_socket(multi, FALSE, s, ev_bitmask, running_handles);
+  if(CURLM_OK >= result)
+    update_timer(multi);
+  return result;
+}
+
+CURLMcode curl_multi_socket_all(struct Curl_multi *multi, int *running_handles)
+
+{
+  CURLMcode result;
+  if(multi->in_callback)
+    return CURLM_RECURSIVE_API_CALL;
+  result = multi_socket(multi, TRUE, CURL_SOCKET_BAD, 0, running_handles);
+  if(CURLM_OK >= result)
+    update_timer(multi);
+  return result;
+}
+
+static CURLMcode multi_timeout(struct Curl_multi *multi,
+                               long *timeout_ms)
+{
+  static struct curltime tv_zero = {0, 0};
+
+  if(multi->timetree) {
+    /* we have a tree of expire times */
+    struct curltime now = Curl_now();
+
+    /* splay the lowest to the bottom */
+    multi->timetree = Curl_splay(tv_zero, multi->timetree);
+
+    if(Curl_splaycomparekeys(multi->timetree->key, now) > 0) {
+      /* some time left before expiration */
+      timediff_t diff = Curl_timediff(multi->timetree->key, now);
+      if(diff <= 0)
+        /*
+         * Since we only provide millisecond resolution on the returned value
+         * and the diff might be less than one millisecond here, we don't
+         * return zero as that may cause short bursts of busyloops on fast
+         * processors while the diff is still present but less than one
+         * millisecond! instead we return 1 until the time is ripe.
+         */
+        *timeout_ms = 1;
+      else
+        /* this should be safe even on 64 bit archs, as we don't use that
+           overly long timeouts */
+        *timeout_ms = (long)diff;
+    }
+    else
+      /* 0 means immediately */
+      *timeout_ms = 0;
+  }
+  else
+    *timeout_ms = -1;
+
+  return CURLM_OK;
+}
+
+CURLMcode curl_multi_timeout(struct Curl_multi *multi,
+                             long *timeout_ms)
+{
+  /* First, make some basic checks that the CURLM handle is a good handle */
+  if(!GOOD_MULTI_HANDLE(multi))
+    return CURLM_BAD_HANDLE;
+
+  if(multi->in_callback)
+    return CURLM_RECURSIVE_API_CALL;
+
+  return multi_timeout(multi, timeout_ms);
+}
+
+/*
+ * Tell the application it should update its timers, if it subscribes to the
+ * update timer callback.
+ */
+static int update_timer(struct Curl_multi *multi)
+{
+  long timeout_ms;
+
+  if(!multi->timer_cb)
+    return 0;
+  if(multi_timeout(multi, &timeout_ms)) {
+    return -1;
+  }
+  if(timeout_ms < 0) {
+    static const struct curltime none = {0, 0};
+    if(Curl_splaycomparekeys(none, multi->timer_lastcall)) {
+      multi->timer_lastcall = none;
+      /* there's no timeout now but there was one previously, tell the app to
+         disable it */
+      return multi->timer_cb(multi, -1, multi->timer_userp);
+    }
+    return 0;
+  }
+
+  /* When multi_timeout() is done, multi->timetree points to the node with the
+   * timeout we got the (relative) time-out time for. We can thus easily check
+   * if this is the same (fixed) time as we got in a previous call and then
+   * avoid calling the callback again. */
+  if(Curl_splaycomparekeys(multi->timetree->key, multi->timer_lastcall) == 0)
+    return 0;
+
+  multi->timer_lastcall = multi->timetree->key;
+
+  return multi->timer_cb(multi, timeout_ms, multi->timer_userp);
+}
+
+/*
+ * multi_deltimeout()
+ *
+ * Remove a given timestamp from the list of timeouts.
+ */
+static void
+multi_deltimeout(struct Curl_easy *data, expire_id eid)
+{
+  struct curl_llist_element *e;
+  struct curl_llist *timeoutlist = &data->state.timeoutlist;
+  /* find and remove the specific node from the list */
+  for(e = timeoutlist->head; e; e = e->next) {
+    struct time_node *n = (struct time_node *)e->ptr;
+    if(n->eid == eid) {
+      Curl_llist_remove(timeoutlist, e, NULL);
+      return;
+    }
+  }
+}
+
+/*
+ * multi_addtimeout()
+ *
+ * Add a timestamp to the list of timeouts. Keep the list sorted so that head
+ * of list is always the timeout nearest in time.
+ *
+ */
+static CURLMcode
+multi_addtimeout(struct Curl_easy *data,
+                 struct curltime *stamp,
+                 expire_id eid)
+{
+  struct curl_llist_element *e;
+  struct time_node *node;
+  struct curl_llist_element *prev = NULL;
+  size_t n;
+  struct curl_llist *timeoutlist = &data->state.timeoutlist;
+
+  node = &data->state.expires[eid];
+
+  /* copy the timestamp and id */
+  memcpy(&node->time, stamp, sizeof(*stamp));
+  node->eid = eid; /* also marks it as in use */
+
+  n = Curl_llist_count(timeoutlist);
+  if(n) {
+    /* find the correct spot in the list */
+    for(e = timeoutlist->head; e; e = e->next) {
+      struct time_node *check = (struct time_node *)e->ptr;
+      timediff_t diff = Curl_timediff(check->time, node->time);
+      if(diff > 0)
+        break;
+      prev = e;
+    }
+
+  }
+  /* else
+     this is the first timeout on the list */
+
+  Curl_llist_insert_next(timeoutlist, prev, node, &node->list);
+  return CURLM_OK;
+}
+
+/*
+ * Curl_expire()
+ *
+ * given a number of milliseconds from now to use to set the 'act before
+ * this'-time for the transfer, to be extracted by curl_multi_timeout()
+ *
+ * The timeout will be added to a queue of timeouts if it defines a moment in
+ * time that is later than the current head of queue.
+ *
+ * Expire replaces a former timeout using the same id if already set.
+ */
+void Curl_expire(struct Curl_easy *data, time_t milli, expire_id id)
+{
+  struct Curl_multi *multi = data->multi;
+  struct curltime *nowp = &data->state.expiretime;
+  struct curltime set;
+
+  /* this is only interesting while there is still an associated multi struct
+     remaining! */
+  if(!multi)
+    return;
+
+  DEBUGASSERT(id < EXPIRE_LAST);
+
+  infof(data, "Expire in %ld ms for %x (transfer %p)\n",
+        (long)milli, id, data);
+
+  set = Curl_now();
+  set.tv_sec += milli/1000;
+  set.tv_usec += (unsigned int)(milli%1000)*1000;
+
+  if(set.tv_usec >= 1000000) {
+    set.tv_sec++;
+    set.tv_usec -= 1000000;
+  }
+
+  /* Remove any timer with the same id just in case. */
+  multi_deltimeout(data, id);
+
+  /* Add it to the timer list.  It must stay in the list until it has expired
+     in case we need to recompute the minimum timer later. */
+  multi_addtimeout(data, &set, id);
+
+  if(nowp->tv_sec || nowp->tv_usec) {
+    /* This means that the struct is added as a node in the splay tree.
+       Compare if the new time is earlier, and only remove-old/add-new if it
+       is. */
+    timediff_t diff = Curl_timediff(set, *nowp);
+    int rc;
+
+    if(diff > 0) {
+      /* The current splay tree entry is sooner than this new expiry time.
+         We don't need to update our splay tree entry. */
+      return;
+    }
+
+    /* Since this is an updated time, we must remove the previous entry from
+       the splay tree first and then re-add the new value */
+    rc = Curl_splayremovebyaddr(multi->timetree,
+                                &data->state.timenode,
+                                &multi->timetree);
+    if(rc)
+      infof(data, "Internal error removing splay node = %d\n", rc);
+  }
+
+  /* Indicate that we are in the splay tree and insert the new timer expiry
+     value since it is our local minimum. */
+  *nowp = set;
+  data->state.timenode.payload = data;
+  multi->timetree = Curl_splayinsert(*nowp, multi->timetree,
+                                     &data->state.timenode);
+}
+
+/*
+ * Curl_expire_done()
+ *
+ * Removes the expire timer. Marks it as done.
+ *
+ */
+void Curl_expire_done(struct Curl_easy *data, expire_id id)
+{
+  /* remove the timer, if there */
+  multi_deltimeout(data, id);
+}
+
+/*
+ * Curl_expire_clear()
+ *
+ * Clear ALL timeout values for this handle.
+ */
+void Curl_expire_clear(struct Curl_easy *data)
+{
+  struct Curl_multi *multi = data->multi;
+  struct curltime *nowp = &data->state.expiretime;
+
+  /* this is only interesting while there is still an associated multi struct
+     remaining! */
+  if(!multi)
+    return;
+
+  if(nowp->tv_sec || nowp->tv_usec) {
+    /* Since this is an cleared time, we must remove the previous entry from
+       the splay tree */
+    struct curl_llist *list = &data->state.timeoutlist;
+    int rc;
+
+    rc = Curl_splayremovebyaddr(multi->timetree,
+                                &data->state.timenode,
+                                &multi->timetree);
+    if(rc)
+      infof(data, "Internal error clearing splay node = %d\n", rc);
+
+    /* flush the timeout list too */
+    while(list->size > 0) {
+      Curl_llist_remove(list, list->tail, NULL);
+    }
+
+#ifdef DEBUGBUILD
+    infof(data, "Expire cleared (transfer %p)\n", data);
+#endif
+    nowp->tv_sec = 0;
+    nowp->tv_usec = 0;
+  }
+}
+
+
+
+
+CURLMcode curl_multi_assign(struct Curl_multi *multi, curl_socket_t s,
+                            void *hashp)
+{
+  struct Curl_sh_entry *there = NULL;
+
+  if(multi->in_callback)
+    return CURLM_RECURSIVE_API_CALL;
+
+  there = sh_getentry(&multi->sockhash, s);
+
+  if(!there)
+    return CURLM_BAD_SOCKET;
+
+  there->socketp = hashp;
+
+  return CURLM_OK;
+}
+
+size_t Curl_multi_max_host_connections(struct Curl_multi *multi)
+{
+  return multi ? multi->max_host_connections : 0;
+}
+
+size_t Curl_multi_max_total_connections(struct Curl_multi *multi)
+{
+  return multi ? multi->max_total_connections : 0;
+}
+
+curl_off_t Curl_multi_content_length_penalty_size(struct Curl_multi *multi)
+{
+  return multi ? multi->content_length_penalty_size : 0;
+}
+
+curl_off_t Curl_multi_chunk_length_penalty_size(struct Curl_multi *multi)
+{
+  return multi ? multi->chunk_length_penalty_size : 0;
+}
+
+struct curl_llist *Curl_multi_pipelining_site_bl(struct Curl_multi *multi)
+{
+  return &multi->pipelining_site_bl;
+}
+
+struct curl_llist *Curl_multi_pipelining_server_bl(struct Curl_multi *multi)
+{
+  return &multi->pipelining_server_bl;
+}
+
+static void process_pending_handles(struct Curl_multi *multi)
+{
+  struct curl_llist_element *e = multi->pending.head;
+  if(e) {
+    struct Curl_easy *data = e->ptr;
+
+    DEBUGASSERT(data->mstate == CURLM_STATE_CONNECT_PEND);
+
+    multistate(data, CURLM_STATE_CONNECT);
+
+    /* Remove this node from the list */
+    Curl_llist_remove(&multi->pending, e, NULL);
+
+    /* Make sure that the handle will be processed soonish. */
+    Curl_expire(data, 0, EXPIRE_RUN_NOW);
+  }
+}
+
+void Curl_set_in_callback(struct Curl_easy *data, bool value)
+{
+  /* might get called when there is no data pointer! */
+  if(data) {
+    if(data->multi_easy)
+      data->multi_easy->in_callback = value;
+    else if(data->multi)
+      data->multi->in_callback = value;
+  }
+}
+
+bool Curl_is_in_callback(struct Curl_easy *easy)
+{
+  return ((easy->multi && easy->multi->in_callback) ||
+          (easy->multi_easy && easy->multi_easy->in_callback));
+}
+
+#ifdef DEBUGBUILD
+void Curl_multi_dump(struct Curl_multi *multi)
+{
+  struct Curl_easy *data;
+  int i;
+  fprintf(stderr, "* Multi status: %d handles, %d alive\n",
+          multi->num_easy, multi->num_alive);
+  for(data = multi->easyp; data; data = data->next) {
+    if(data->mstate < CURLM_STATE_COMPLETED) {
+      /* only display handles that are not completed */
+      fprintf(stderr, "handle %p, state %s, %d sockets\n",
+              (void *)data,
+              statename[data->mstate], data->numsocks);
+      for(i = 0; i < data->numsocks; i++) {
+        curl_socket_t s = data->sockets[i];
+        struct Curl_sh_entry *entry = sh_getentry(&multi->sockhash, s);
+
+        fprintf(stderr, "%d ", (int)s);
+        if(!entry) {
+          fprintf(stderr, "INTERNAL CONFUSION\n");
+          continue;
+        }
+        fprintf(stderr, "[%s %s] ",
+                entry->action&CURL_POLL_IN?"RECVING":"",
+                entry->action&CURL_POLL_OUT?"SENDING":"");
+      }
+      if(data->numsocks)
+        fprintf(stderr, "\n");
+    }
+  }
+}
+#endif
Index: trunk/src/libs/curl-7.64.0/lib/multihandle.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/multihandle.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/multihandle.h	(revision 85671)
@@ -0,0 +1,158 @@
+#ifndef HEADER_CURL_MULTIHANDLE_H
+#define HEADER_CURL_MULTIHANDLE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "conncache.h"
+#include "psl.h"
+
+struct Curl_message {
+  struct curl_llist_element list;
+  /* the 'CURLMsg' is the part that is visible to the external user */
+  struct CURLMsg extmsg;
+};
+
+/* NOTE: if you add a state here, add the name to the statename[] array as
+   well!
+*/
+typedef enum {
+  CURLM_STATE_INIT,         /* 0 - start in this state */
+  CURLM_STATE_CONNECT_PEND, /* 1 - no connections, waiting for one */
+  CURLM_STATE_CONNECT,      /* 2 - resolve/connect has been sent off */
+  CURLM_STATE_WAITRESOLVE,  /* 3 - awaiting the resolve to finalize */
+  CURLM_STATE_WAITCONNECT,  /* 4 - awaiting the TCP connect to finalize */
+  CURLM_STATE_WAITPROXYCONNECT, /* 5 - awaiting HTTPS proxy SSL initialization
+                                   to complete and/or proxy CONNECT to
+                                   finalize */
+  CURLM_STATE_SENDPROTOCONNECT, /* 6 - initiate protocol connect procedure */
+  CURLM_STATE_PROTOCONNECT, /* 7 - completing the protocol-specific connect
+                                   phase */
+  CURLM_STATE_WAITDO,       /* 8 - wait for our turn to send the request */
+  CURLM_STATE_DO,           /* 9 - start send off the request (part 1) */
+  CURLM_STATE_DOING,        /* 10 - sending off the request (part 1) */
+  CURLM_STATE_DO_MORE,      /* 11 - send off the request (part 2) */
+  CURLM_STATE_DO_DONE,      /* 12 - done sending off request */
+  CURLM_STATE_WAITPERFORM,  /* 13 - wait for our turn to read the response */
+  CURLM_STATE_PERFORM,      /* 14 - transfer data */
+  CURLM_STATE_TOOFAST,      /* 15 - wait because limit-rate exceeded */
+  CURLM_STATE_DONE,         /* 16 - post data transfer operation */
+  CURLM_STATE_COMPLETED,    /* 17 - operation complete */
+  CURLM_STATE_MSGSENT,      /* 18 - the operation complete message is sent */
+  CURLM_STATE_LAST          /* 19 - not a true state, never use this */
+} CURLMstate;
+
+/* we support N sockets per easy handle. Set the corresponding bit to what
+   action we should wait for */
+#define MAX_SOCKSPEREASYHANDLE 5
+#define GETSOCK_READABLE (0x00ff)
+#define GETSOCK_WRITABLE (0xff00)
+
+#define CURLPIPE_ANY (CURLPIPE_HTTP1 | CURLPIPE_MULTIPLEX)
+
+/* This is the struct known as CURLM on the outside */
+struct Curl_multi {
+  /* First a simple identifier to easier detect if a user mix up
+     this multi handle with an easy handle. Set this to CURL_MULTI_HANDLE. */
+  long type;
+
+  /* We have a doubly-linked circular list with easy handles */
+  struct Curl_easy *easyp;
+  struct Curl_easy *easylp; /* last node */
+
+  int num_easy; /* amount of entries in the linked list above. */
+  int num_alive; /* amount of easy handles that are added but have not yet
+                    reached COMPLETE state */
+
+  struct curl_llist msglist; /* a list of messages from completed transfers */
+
+  struct curl_llist pending; /* Curl_easys that are in the
+                                CURLM_STATE_CONNECT_PEND state */
+
+  /* callback function and user data pointer for the *socket() API */
+  curl_socket_callback socket_cb;
+  void *socket_userp;
+
+  /* callback function and user data pointer for server push */
+  curl_push_callback push_cb;
+  void *push_userp;
+
+  /* Hostname cache */
+  struct curl_hash hostcache;
+
+#ifdef USE_LIBPSL
+  /* PSL cache. */
+  struct PslCache psl;
+#endif
+
+  /* timetree points to the splay-tree of time nodes to figure out expire
+     times of all currently set timers */
+  struct Curl_tree *timetree;
+
+  /* 'sockhash' is the lookup hash for socket descriptor => easy handles (note
+     the pluralis form, there can be more than one easy handle waiting on the
+     same actual socket) */
+  struct curl_hash sockhash;
+
+  /* pipelining wanted bits (CURLPIPE*) */
+  long pipelining;
+
+  bool recheckstate; /* see Curl_multi_connchanged */
+
+  /* Shared connection cache (bundles)*/
+  struct conncache conn_cache;
+
+  long maxconnects; /* if >0, a fixed limit of the maximum number of entries
+                       we're allowed to grow the connection cache to */
+
+  long max_host_connections; /* if >0, a fixed limit of the maximum number
+                                of connections per host */
+
+  long max_total_connections; /* if >0, a fixed limit of the maximum number
+                                 of connections in total */
+
+  long max_pipeline_length; /* if >0, maximum number of requests in a
+                               pipeline */
+
+  long content_length_penalty_size; /* a connection with a
+                                       content-length bigger than
+                                       this is not considered
+                                       for pipelining */
+
+  long chunk_length_penalty_size; /* a connection with a chunk length
+                                     bigger than this is not
+                                     considered for pipelining */
+
+  struct curl_llist pipelining_site_bl; /* List of sites that are blacklisted
+                                           from pipelining */
+
+  struct curl_llist pipelining_server_bl; /* List of server types that are
+                                             blacklisted from pipelining */
+
+  /* timer callback and user data pointer for the *socket() API */
+  curl_multi_timer_callback timer_cb;
+  void *timer_userp;
+  struct curltime timer_lastcall; /* the fixed time for the timeout for the
+                                    previous callback */
+  bool in_callback;            /* true while executing a callback */
+};
+
+#endif /* HEADER_CURL_MULTIHANDLE_H */
Index: trunk/src/libs/curl-7.64.0/lib/multiif.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/multiif.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/multiif.h	(revision 85671)
@@ -0,0 +1,110 @@
+#ifndef HEADER_CURL_MULTIIF_H
+#define HEADER_CURL_MULTIIF_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Prototypes for library-wide functions provided by multi.c
+ */
+
+void Curl_updatesocket(struct Curl_easy *data);
+void Curl_expire(struct Curl_easy *data, time_t milli, expire_id);
+void Curl_expire_clear(struct Curl_easy *data);
+void Curl_expire_done(struct Curl_easy *data, expire_id id);
+bool Curl_pipeline_wanted(const struct Curl_multi* multi, int bits);
+void Curl_detach_connnection(struct Curl_easy *data);
+void Curl_attach_connnection(struct Curl_easy *data,
+                             struct connectdata *conn);
+void Curl_set_in_callback(struct Curl_easy *data, bool value);
+bool Curl_is_in_callback(struct Curl_easy *easy);
+
+/* Internal version of curl_multi_init() accepts size parameters for the
+   socket and connection hashes */
+struct Curl_multi *Curl_multi_handle(int hashsize, int chashsize);
+
+/* the write bits start at bit 16 for the *getsock() bitmap */
+#define GETSOCK_WRITEBITSTART 16
+
+#define GETSOCK_BLANK 0 /* no bits set */
+
+/* set the bit for the given sock number to make the bitmap for writable */
+#define GETSOCK_WRITESOCK(x) (1 << (GETSOCK_WRITEBITSTART + (x)))
+
+/* set the bit for the given sock number to make the bitmap for readable */
+#define GETSOCK_READSOCK(x) (1 << (x))
+
+#ifdef DEBUGBUILD
+ /*
+  * Curl_multi_dump is not a stable public function, this is only meant to
+  * allow easier tracking of the internal handle's state and what sockets
+  * they use. Only for research and development DEBUGBUILD enabled builds.
+  */
+void Curl_multi_dump(struct Curl_multi *multi);
+#endif
+
+/* Return the value of the CURLMOPT_MAX_HOST_CONNECTIONS option */
+size_t Curl_multi_max_host_connections(struct Curl_multi *multi);
+
+/* Return the value of the CURLMOPT_CONTENT_LENGTH_PENALTY_SIZE option */
+curl_off_t Curl_multi_content_length_penalty_size(struct Curl_multi *multi);
+
+/* Return the value of the CURLMOPT_CHUNK_LENGTH_PENALTY_SIZE option */
+curl_off_t Curl_multi_chunk_length_penalty_size(struct Curl_multi *multi);
+
+/* Return the value of the CURLMOPT_PIPELINING_SITE_BL option */
+struct curl_llist *Curl_multi_pipelining_site_bl(struct Curl_multi *multi);
+
+/* Return the value of the CURLMOPT_PIPELINING_SERVER_BL option */
+struct curl_llist *Curl_multi_pipelining_server_bl(struct Curl_multi *multi);
+
+/* Return the value of the CURLMOPT_MAX_TOTAL_CONNECTIONS option */
+size_t Curl_multi_max_total_connections(struct Curl_multi *multi);
+
+void Curl_multi_connchanged(struct Curl_multi *multi);
+
+/*
+ * Curl_multi_closed()
+ *
+ * Used by the connect code to tell the multi_socket code that one of the
+ * sockets we were using is about to be closed.  This function will then
+ * remove it from the sockethash for this handle to make the multi_socket API
+ * behave properly, especially for the case when libcurl will create another
+ * socket again and it gets the same file descriptor number.
+ */
+
+void Curl_multi_closed(struct Curl_easy *data, curl_socket_t s);
+
+/*
+ * Add a handle and move it into PERFORM state at once. For pushed streams.
+ */
+CURLMcode Curl_multi_add_perform(struct Curl_multi *multi,
+                                 struct Curl_easy *data,
+                                 struct connectdata *conn);
+
+CURLMcode Curl_multi_wait(struct Curl_multi *multi,
+                          struct curl_waitfd extra_fds[],
+                          unsigned int extra_nfds,
+                          int timeout_ms,
+                          int *ret,
+                          bool *gotsocket); /* if any socket was checked */
+
+#endif /* HEADER_CURL_MULTIIF_H */
Index: trunk/src/libs/curl-7.64.0/lib/netrc.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/netrc.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/netrc.c	(revision 85671)
@@ -0,0 +1,242 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_PWD_H
+#include <pwd.h>
+#endif
+
+#include <curl/curl.h>
+#include "netrc.h"
+#include "strtok.h"
+#include "strcase.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* Get user and password from .netrc when given a machine name */
+
+enum host_lookup_state {
+  NOTHING,
+  HOSTFOUND,    /* the 'machine' keyword was found */
+  HOSTVALID     /* this is "our" machine! */
+};
+
+/*
+ * @unittest: 1304
+ *
+ * *loginp and *passwordp MUST be allocated if they aren't NULL when passed
+ * in.
+ */
+int Curl_parsenetrc(const char *host,
+                    char **loginp,
+                    char **passwordp,
+                    bool *login_changed,
+                    bool *password_changed,
+                    char *netrcfile)
+{
+  FILE *file;
+  int retcode = 1;
+  char *login = *loginp;
+  char *password = *passwordp;
+  bool specific_login = (login && *login != 0);
+  bool login_alloc = FALSE;
+  bool password_alloc = FALSE;
+  bool netrc_alloc = FALSE;
+  enum host_lookup_state state = NOTHING;
+
+  char state_login = 0;      /* Found a login keyword */
+  char state_password = 0;   /* Found a password keyword */
+  int state_our_login = FALSE;  /* With specific_login, found *our* login
+                                   name */
+
+#define NETRC DOT_CHAR "netrc"
+
+  if(!netrcfile) {
+    bool home_alloc = FALSE;
+    char *home = curl_getenv("HOME"); /* portable environment reader */
+    if(home) {
+      home_alloc = TRUE;
+#if defined(HAVE_GETPWUID_R) && defined(HAVE_GETEUID)
+    }
+    else {
+      struct passwd pw, *pw_res;
+      char pwbuf[1024];
+      if(!getpwuid_r(geteuid(), &pw, pwbuf, sizeof(pwbuf), &pw_res)
+         && pw_res) {
+        home = strdup(pw.pw_dir);
+        if(!home)
+          return CURLE_OUT_OF_MEMORY;
+        home_alloc = TRUE;
+      }
+#elif defined(HAVE_GETPWUID) && defined(HAVE_GETEUID)
+    }
+    else {
+      struct passwd *pw;
+      pw = getpwuid(geteuid());
+      if(pw) {
+        home = pw->pw_dir;
+      }
+#endif
+    }
+
+    if(!home)
+      return retcode; /* no home directory found (or possibly out of memory) */
+
+    netrcfile = curl_maprintf("%s%s%s", home, DIR_CHAR, NETRC);
+    if(home_alloc)
+      free(home);
+    if(!netrcfile) {
+      return -1;
+    }
+    netrc_alloc = TRUE;
+  }
+
+  file = fopen(netrcfile, FOPEN_READTEXT);
+  if(netrc_alloc)
+    free(netrcfile);
+  if(file) {
+    char *tok;
+    char *tok_buf;
+    bool done = FALSE;
+    char netrcbuffer[4096];
+    int  netrcbuffsize = (int)sizeof(netrcbuffer);
+
+    while(!done && fgets(netrcbuffer, netrcbuffsize, file)) {
+      tok = strtok_r(netrcbuffer, " \t\n", &tok_buf);
+      if(tok && *tok == '#')
+        /* treat an initial hash as a comment line */
+        continue;
+      while(!done && tok) {
+
+        if((login && *login) && (password && *password)) {
+          done = TRUE;
+          break;
+        }
+
+        switch(state) {
+        case NOTHING:
+          if(strcasecompare("machine", tok)) {
+            /* the next tok is the machine name, this is in itself the
+               delimiter that starts the stuff entered for this machine,
+               after this we need to search for 'login' and
+               'password'. */
+            state = HOSTFOUND;
+          }
+          else if(strcasecompare("default", tok)) {
+            state = HOSTVALID;
+            retcode = 0; /* we did find our host */
+          }
+          break;
+        case HOSTFOUND:
+          if(strcasecompare(host, tok)) {
+            /* and yes, this is our host! */
+            state = HOSTVALID;
+            retcode = 0; /* we did find our host */
+          }
+          else
+            /* not our host */
+            state = NOTHING;
+          break;
+        case HOSTVALID:
+          /* we are now parsing sub-keywords concerning "our" host */
+          if(state_login) {
+            if(specific_login) {
+              state_our_login = strcasecompare(login, tok);
+            }
+            else if(!login || strcmp(login, tok)) {
+              if(login_alloc) {
+                free(login);
+                login_alloc = FALSE;
+              }
+              login = strdup(tok);
+              if(!login) {
+                retcode = -1; /* allocation failed */
+                goto out;
+              }
+              login_alloc = TRUE;
+            }
+            state_login = 0;
+          }
+          else if(state_password) {
+            if((state_our_login || !specific_login)
+                && (!password || strcmp(password, tok))) {
+              if(password_alloc) {
+                free(password);
+                password_alloc = FALSE;
+              }
+              password = strdup(tok);
+              if(!password) {
+                retcode = -1; /* allocation failed */
+                goto out;
+              }
+              password_alloc = TRUE;
+            }
+            state_password = 0;
+          }
+          else if(strcasecompare("login", tok))
+            state_login = 1;
+          else if(strcasecompare("password", tok))
+            state_password = 1;
+          else if(strcasecompare("machine", tok)) {
+            /* ok, there's machine here go => */
+            state = HOSTFOUND;
+            state_our_login = FALSE;
+          }
+          break;
+        } /* switch (state) */
+
+        tok = strtok_r(NULL, " \t\n", &tok_buf);
+      } /* while(tok) */
+    } /* while fgets() */
+
+    out:
+    if(!retcode) {
+      *login_changed = FALSE;
+      *password_changed = FALSE;
+      if(login_alloc) {
+        if(*loginp)
+          free(*loginp);
+        *loginp = login;
+        *login_changed = TRUE;
+      }
+      if(password_alloc) {
+        if(*passwordp)
+          free(*passwordp);
+        *passwordp = password;
+        *password_changed = TRUE;
+      }
+    }
+    else {
+      if(login_alloc)
+        free(login);
+      if(password_alloc)
+        free(password);
+    }
+    fclose(file);
+  }
+
+  return retcode;
+}
Index: trunk/src/libs/curl-7.64.0/lib/netrc.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/netrc.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/netrc.h	(revision 85671)
@@ -0,0 +1,38 @@
+#ifndef HEADER_CURL_NETRC_H
+#define HEADER_CURL_NETRC_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* returns -1 on failure, 0 if the host is found, 1 is the host isn't found */
+int Curl_parsenetrc(const char *host,
+                    char **loginp,
+                    char **passwordp,
+                    bool *login_changed,
+                    bool *password_changed,
+                    char *filename);
+  /* Assume: (*passwordp)[0]=0, host[0] != 0.
+   * If (*loginp)[0] = 0, search for login and password within a machine
+   * section in the netrc.
+   * If (*loginp)[0] != 0, search for password within machine and login.
+   */
+
+#endif /* HEADER_CURL_NETRC_H */
Index: trunk/src/libs/curl-7.64.0/lib/non-ascii.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/non-ascii.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/non-ascii.c	(revision 85671)
@@ -0,0 +1,332 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef CURL_DOES_CONVERSIONS
+
+#include <curl/curl.h>
+
+#include "non-ascii.h"
+#include "formdata.h"
+#include "sendf.h"
+#include "urldata.h"
+#include "multiif.h"
+
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+#ifdef HAVE_ICONV
+#include <iconv.h>
+/* set default codesets for iconv */
+#ifndef CURL_ICONV_CODESET_OF_NETWORK
+#define CURL_ICONV_CODESET_OF_NETWORK "ISO8859-1"
+#endif
+#ifndef CURL_ICONV_CODESET_FOR_UTF8
+#define CURL_ICONV_CODESET_FOR_UTF8   "UTF-8"
+#endif
+#define ICONV_ERROR  (size_t)-1
+#endif /* HAVE_ICONV */
+
+/*
+ * Curl_convert_clone() returns a malloced copy of the source string (if
+ * returning CURLE_OK), with the data converted to network format.
+ */
+CURLcode Curl_convert_clone(struct Curl_easy *data,
+                           const char *indata,
+                           size_t insize,
+                           char **outbuf)
+{
+  char *convbuf;
+  CURLcode result;
+
+  convbuf = malloc(insize);
+  if(!convbuf)
+    return CURLE_OUT_OF_MEMORY;
+
+  memcpy(convbuf, indata, insize);
+  result = Curl_convert_to_network(data, convbuf, insize);
+  if(result) {
+    free(convbuf);
+    return result;
+  }
+
+  *outbuf = convbuf; /* return the converted buffer */
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_convert_to_network() is an internal function for performing ASCII
+ * conversions on non-ASCII platforms. It convers the buffer _in place_.
+ */
+CURLcode Curl_convert_to_network(struct Curl_easy *data,
+                                 char *buffer, size_t length)
+{
+  if(data && data->set.convtonetwork) {
+    /* use translation callback */
+    CURLcode result;
+    Curl_set_in_callback(data, true);
+    result = data->set.convtonetwork(buffer, length);
+    Curl_set_in_callback(data, false);
+    if(result) {
+      failf(data,
+            "CURLOPT_CONV_TO_NETWORK_FUNCTION callback returned %d: %s",
+            (int)result, curl_easy_strerror(result));
+    }
+
+    return result;
+  }
+  else {
+#ifdef HAVE_ICONV
+    /* do the translation ourselves */
+    iconv_t tmpcd = (iconv_t) -1;
+    iconv_t *cd = &tmpcd;
+    char *input_ptr, *output_ptr;
+    size_t in_bytes, out_bytes, rc;
+
+    /* open an iconv conversion descriptor if necessary */
+    if(data)
+      cd = &data->outbound_cd;
+    if(*cd == (iconv_t)-1) {
+      *cd = iconv_open(CURL_ICONV_CODESET_OF_NETWORK,
+                       CURL_ICONV_CODESET_OF_HOST);
+      if(*cd == (iconv_t)-1) {
+        failf(data,
+              "The iconv_open(\"%s\", \"%s\") call failed with errno %i: %s",
+              CURL_ICONV_CODESET_OF_NETWORK,
+              CURL_ICONV_CODESET_OF_HOST,
+              errno, strerror(errno));
+        return CURLE_CONV_FAILED;
+      }
+    }
+    /* call iconv */
+    input_ptr = output_ptr = buffer;
+    in_bytes = out_bytes = length;
+    rc = iconv(*cd, &input_ptr, &in_bytes,
+               &output_ptr, &out_bytes);
+    if(!data)
+      iconv_close(tmpcd);
+    if((rc == ICONV_ERROR) || (in_bytes != 0)) {
+      failf(data,
+            "The Curl_convert_to_network iconv call failed with errno %i: %s",
+            errno, strerror(errno));
+      return CURLE_CONV_FAILED;
+    }
+#else
+    failf(data, "CURLOPT_CONV_TO_NETWORK_FUNCTION callback required");
+    return CURLE_CONV_REQD;
+#endif /* HAVE_ICONV */
+  }
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_convert_from_network() is an internal function for performing ASCII
+ * conversions on non-ASCII platforms. It convers the buffer _in place_.
+ */
+CURLcode Curl_convert_from_network(struct Curl_easy *data,
+                                   char *buffer, size_t length)
+{
+  if(data && data->set.convfromnetwork) {
+    /* use translation callback */
+    CURLcode result;
+    Curl_set_in_callback(data, true);
+    result = data->set.convfromnetwork(buffer, length);
+    Curl_set_in_callback(data, false);
+    if(result) {
+      failf(data,
+            "CURLOPT_CONV_FROM_NETWORK_FUNCTION callback returned %d: %s",
+            (int)result, curl_easy_strerror(result));
+    }
+
+    return result;
+  }
+  else {
+#ifdef HAVE_ICONV
+    /* do the translation ourselves */
+    iconv_t tmpcd = (iconv_t) -1;
+    iconv_t *cd = &tmpcd;
+    char *input_ptr, *output_ptr;
+    size_t in_bytes, out_bytes, rc;
+
+    /* open an iconv conversion descriptor if necessary */
+    if(data)
+      cd = &data->inbound_cd;
+    if(*cd == (iconv_t)-1) {
+      *cd = iconv_open(CURL_ICONV_CODESET_OF_HOST,
+                       CURL_ICONV_CODESET_OF_NETWORK);
+      if(*cd == (iconv_t)-1) {
+        failf(data,
+              "The iconv_open(\"%s\", \"%s\") call failed with errno %i: %s",
+              CURL_ICONV_CODESET_OF_HOST,
+              CURL_ICONV_CODESET_OF_NETWORK,
+              errno, strerror(errno));
+        return CURLE_CONV_FAILED;
+      }
+    }
+    /* call iconv */
+    input_ptr = output_ptr = buffer;
+    in_bytes = out_bytes = length;
+    rc = iconv(*cd, &input_ptr, &in_bytes,
+               &output_ptr, &out_bytes);
+    if(!data)
+      iconv_close(tmpcd);
+    if((rc == ICONV_ERROR) || (in_bytes != 0)) {
+      failf(data,
+            "Curl_convert_from_network iconv call failed with errno %i: %s",
+            errno, strerror(errno));
+      return CURLE_CONV_FAILED;
+    }
+#else
+    failf(data, "CURLOPT_CONV_FROM_NETWORK_FUNCTION callback required");
+    return CURLE_CONV_REQD;
+#endif /* HAVE_ICONV */
+  }
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_convert_from_utf8() is an internal function for performing UTF-8
+ * conversions on non-ASCII platforms.
+ */
+CURLcode Curl_convert_from_utf8(struct Curl_easy *data,
+                                char *buffer, size_t length)
+{
+  if(data && data->set.convfromutf8) {
+    /* use translation callback */
+    CURLcode result;
+    Curl_set_in_callback(data, true);
+    result = data->set.convfromutf8(buffer, length);
+    Curl_set_in_callback(data, false);
+    if(result) {
+      failf(data,
+            "CURLOPT_CONV_FROM_UTF8_FUNCTION callback returned %d: %s",
+            (int)result, curl_easy_strerror(result));
+    }
+
+    return result;
+  }
+  else {
+#ifdef HAVE_ICONV
+    /* do the translation ourselves */
+    iconv_t tmpcd = (iconv_t) -1;
+    iconv_t *cd = &tmpcd;
+    char *input_ptr;
+    char *output_ptr;
+    size_t in_bytes, out_bytes, rc;
+
+    /* open an iconv conversion descriptor if necessary */
+    if(data)
+      cd = &data->utf8_cd;
+    if(*cd == (iconv_t)-1) {
+      *cd = iconv_open(CURL_ICONV_CODESET_OF_HOST,
+                       CURL_ICONV_CODESET_FOR_UTF8);
+      if(*cd == (iconv_t)-1) {
+        failf(data,
+              "The iconv_open(\"%s\", \"%s\") call failed with errno %i: %s",
+              CURL_ICONV_CODESET_OF_HOST,
+              CURL_ICONV_CODESET_FOR_UTF8,
+              errno, strerror(errno));
+        return CURLE_CONV_FAILED;
+      }
+    }
+    /* call iconv */
+    input_ptr = output_ptr = buffer;
+    in_bytes = out_bytes = length;
+    rc = iconv(*cd, &input_ptr, &in_bytes,
+               &output_ptr, &out_bytes);
+    if(!data)
+      iconv_close(tmpcd);
+    if((rc == ICONV_ERROR) || (in_bytes != 0)) {
+      failf(data,
+            "The Curl_convert_from_utf8 iconv call failed with errno %i: %s",
+            errno, strerror(errno));
+      return CURLE_CONV_FAILED;
+    }
+    if(output_ptr < input_ptr) {
+      /* null terminate the now shorter output string */
+      *output_ptr = 0x00;
+    }
+#else
+    failf(data, "CURLOPT_CONV_FROM_UTF8_FUNCTION callback required");
+    return CURLE_CONV_REQD;
+#endif /* HAVE_ICONV */
+  }
+
+  return CURLE_OK;
+}
+
+/*
+ * Init conversion stuff for a Curl_easy
+ */
+void Curl_convert_init(struct Curl_easy *data)
+{
+#if defined(CURL_DOES_CONVERSIONS) && defined(HAVE_ICONV)
+  /* conversion descriptors for iconv calls */
+  data->outbound_cd = (iconv_t)-1;
+  data->inbound_cd  = (iconv_t)-1;
+  data->utf8_cd     = (iconv_t)-1;
+#else
+  (void)data;
+#endif /* CURL_DOES_CONVERSIONS && HAVE_ICONV */
+}
+
+/*
+ * Setup conversion stuff for a Curl_easy
+ */
+void Curl_convert_setup(struct Curl_easy *data)
+{
+  data->inbound_cd = iconv_open(CURL_ICONV_CODESET_OF_HOST,
+                                CURL_ICONV_CODESET_OF_NETWORK);
+  data->outbound_cd = iconv_open(CURL_ICONV_CODESET_OF_NETWORK,
+                                 CURL_ICONV_CODESET_OF_HOST);
+  data->utf8_cd = iconv_open(CURL_ICONV_CODESET_OF_HOST,
+                             CURL_ICONV_CODESET_FOR_UTF8);
+}
+
+/*
+ * Close conversion stuff for a Curl_easy
+ */
+
+void Curl_convert_close(struct Curl_easy *data)
+{
+#ifdef HAVE_ICONV
+  /* close iconv conversion descriptors */
+  if(data->inbound_cd != (iconv_t)-1) {
+    iconv_close(data->inbound_cd);
+  }
+  if(data->outbound_cd != (iconv_t)-1) {
+    iconv_close(data->outbound_cd);
+  }
+  if(data->utf8_cd != (iconv_t)-1) {
+    iconv_close(data->utf8_cd);
+  }
+#else
+  (void)data;
+#endif /* HAVE_ICONV */
+}
+
+#endif /* CURL_DOES_CONVERSIONS */
Index: trunk/src/libs/curl-7.64.0/lib/non-ascii.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/non-ascii.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/non-ascii.h	(revision 85671)
@@ -0,0 +1,61 @@
+#ifndef HEADER_CURL_NON_ASCII_H
+#define HEADER_CURL_NON_ASCII_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#ifdef CURL_DOES_CONVERSIONS
+
+#include "urldata.h"
+
+/*
+ * Curl_convert_clone() returns a malloced copy of the source string (if
+ * returning CURLE_OK), with the data converted to network format.
+ *
+ * If no conversion was needed *outbuf may be NULL.
+ */
+CURLcode Curl_convert_clone(struct Curl_easy *data,
+                            const char *indata,
+                            size_t insize,
+                            char **outbuf);
+
+void Curl_convert_init(struct Curl_easy *data);
+void Curl_convert_setup(struct Curl_easy *data);
+void Curl_convert_close(struct Curl_easy *data);
+
+CURLcode Curl_convert_to_network(struct Curl_easy *data,
+                                 char *buffer, size_t length);
+CURLcode Curl_convert_from_network(struct Curl_easy *data,
+                                 char *buffer, size_t length);
+CURLcode Curl_convert_from_utf8(struct Curl_easy *data,
+                                 char *buffer, size_t length);
+#else
+#define Curl_convert_clone(a,b,c,d) ((void)a, CURLE_OK)
+#define Curl_convert_init(x) Curl_nop_stmt
+#define Curl_convert_setup(x) Curl_nop_stmt
+#define Curl_convert_close(x) Curl_nop_stmt
+#define Curl_convert_to_network(a,b,c) ((void)a, CURLE_OK)
+#define Curl_convert_from_network(a,b,c) ((void)a, CURLE_OK)
+#define Curl_convert_from_utf8(a,b,c) ((void)a, CURLE_OK)
+#endif
+
+#endif /* HEADER_CURL_NON_ASCII_H */
Index: trunk/src/libs/curl-7.64.0/lib/nonblock.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/nonblock.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/nonblock.c	(revision 85671)
@@ -0,0 +1,91 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+
+#if (defined(HAVE_IOCTL_FIONBIO) && defined(NETWARE))
+#include <sys/filio.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#include "nonblock.h"
+
+/*
+ * curlx_nonblock() set the given socket to either blocking or non-blocking
+ * mode based on the 'nonblock' boolean argument. This function is highly
+ * portable.
+ */
+int curlx_nonblock(curl_socket_t sockfd,    /* operate on this */
+                   int nonblock   /* TRUE or FALSE */)
+{
+#if defined(USE_BLOCKING_SOCKETS)
+  (void)sockfd;
+  (void)nonblock;
+  return 0; /* returns success */
+
+#elif defined(HAVE_FCNTL_O_NONBLOCK)
+
+  /* most recent unix versions */
+  int flags;
+  flags = sfcntl(sockfd, F_GETFL, 0);
+  if(nonblock)
+    return sfcntl(sockfd, F_SETFL, flags | O_NONBLOCK);
+  return sfcntl(sockfd, F_SETFL, flags & (~O_NONBLOCK));
+
+#elif defined(HAVE_IOCTL_FIONBIO)
+
+  /* older unix versions */
+  int flags = nonblock ? 1 : 0;
+  return ioctl(sockfd, FIONBIO, &flags);
+
+#elif defined(HAVE_IOCTLSOCKET_FIONBIO)
+
+  /* Windows */
+  unsigned long flags = nonblock ? 1UL : 0UL;
+  return ioctlsocket(sockfd, FIONBIO, &flags);
+
+#elif defined(HAVE_IOCTLSOCKET_CAMEL_FIONBIO)
+
+  /* Amiga */
+  long flags = nonblock ? 1L : 0L;
+  return IoctlSocket(sockfd, FIONBIO, (char *)&flags);
+
+#elif defined(HAVE_SETSOCKOPT_SO_NONBLOCK)
+
+  /* BeOS */
+  long b = nonblock ? 1L : 0L;
+  return setsockopt(sockfd, SOL_SOCKET, SO_NONBLOCK, &b, sizeof(b));
+
+#else
+#  error "no non-blocking method was found/used/set"
+#endif
+}
Index: trunk/src/libs/curl-7.64.0/lib/nonblock.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/nonblock.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/nonblock.h	(revision 85671)
@@ -0,0 +1,30 @@
+#ifndef HEADER_CURL_NONBLOCK_H
+#define HEADER_CURL_NONBLOCK_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include <curl/curl.h> /* for curl_socket_t */
+
+int curlx_nonblock(curl_socket_t sockfd,    /* operate on this */
+                   int nonblock   /* TRUE or FALSE */);
+
+#endif /* HEADER_CURL_NONBLOCK_H */
Index: trunk/src/libs/curl-7.64.0/lib/nwlib.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/nwlib.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/nwlib.c	(revision 85671)
@@ -0,0 +1,328 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef NETWARE /* Novell NetWare */
+
+#ifdef __NOVELL_LIBC__
+/* For native LibC-based NLM we need to register as a real lib. */
+#include <library.h>
+#include <netware.h>
+#include <screen.h>
+#include <nks/thread.h>
+#include <nks/synch.h>
+
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef struct
+{
+  int     _errno;
+  void    *twentybytes;
+} libthreaddata_t;
+
+typedef struct
+{
+  int         x;
+  int         y;
+  int         z;
+  void        *tenbytes;
+  NXKey_t     perthreadkey;   /* if -1, no key obtained... */
+  NXMutex_t   *lock;
+} libdata_t;
+
+int         gLibId      = -1;
+void        *gLibHandle = (void *) NULL;
+rtag_t      gAllocTag   = (rtag_t) NULL;
+NXMutex_t   *gLibLock   = (NXMutex_t *) NULL;
+
+/* internal library function prototypes... */
+int  DisposeLibraryData(void *);
+void DisposeThreadData(void *);
+int  GetOrSetUpData(int id, libdata_t **data, libthreaddata_t **threaddata);
+
+
+int _NonAppStart(void        *NLMHandle,
+                 void        *errorScreen,
+                 const char  *cmdLine,
+                 const char  *loadDirPath,
+                 size_t      uninitializedDataLength,
+                 void        *NLMFileHandle,
+                 int         (*readRoutineP)(int conn,
+                                             void *fileHandle, size_t offset,
+                                             size_t nbytes,
+                                             size_t *bytesRead,
+                                             void *buffer),
+                  size_t      customDataOffset,
+                  size_t      customDataSize,
+                  int         messageCount,
+                  const char  **messages)
+{
+  NX_LOCK_INFO_ALLOC(liblock, "Per-Application Data Lock", 0);
+
+#ifndef __GNUC__
+#pragma unused(cmdLine)
+#pragma unused(loadDirPath)
+#pragma unused(uninitializedDataLength)
+#pragma unused(NLMFileHandle)
+#pragma unused(readRoutineP)
+#pragma unused(customDataOffset)
+#pragma unused(customDataSize)
+#pragma unused(messageCount)
+#pragma unused(messages)
+#endif
+
+  /*
+   * Here we process our command line, post errors (to the error screen),
+   * perform initializations and anything else we need to do before being able
+   * to accept calls into us. If we succeed, we return non-zero and the NetWare
+   * Loader will leave us up, otherwise we fail to load and get dumped.
+   */
+  gAllocTag = AllocateResourceTag(NLMHandle,
+                                  "<library-name> memory allocations",
+                                  AllocSignature);
+
+  if(!gAllocTag) {
+    OutputToScreen(errorScreen, "Unable to allocate resource tag for "
+                   "library memory allocations.\n");
+    return -1;
+  }
+
+  gLibId = register_library(DisposeLibraryData);
+
+  if(gLibId < -1) {
+    OutputToScreen(errorScreen, "Unable to register library with kernel.\n");
+    return -1;
+  }
+
+  gLibHandle = NLMHandle;
+
+  gLibLock = NXMutexAlloc(0, 0, &liblock);
+
+  if(!gLibLock) {
+    OutputToScreen(errorScreen, "Unable to allocate library data lock.\n");
+    return -1;
+  }
+
+  return 0;
+}
+
+/*
+ * Here we clean up any resources we allocated. Resource tags is a big part
+ * of what we created, but NetWare doesn't ask us to free those.
+ */
+void _NonAppStop(void)
+{
+  (void) unregister_library(gLibId);
+  NXMutexFree(gLibLock);
+}
+
+/*
+ * This function cannot be the first in the file for if the file is linked
+ * first, then the check-unload function's offset will be nlmname.nlm+0
+ * which is how to tell that there isn't one. When the check function is
+ * first in the linked objects, it is ambiguous. For this reason, we will
+ * put it inside this file after the stop function.
+ *
+ * Here we check to see if it's alright to ourselves to be unloaded. If not,
+ * we return a non-zero value. Right now, there isn't any reason not to allow
+ * it.
+ */
+int _NonAppCheckUnload(void)
+{
+    return 0;
+}
+
+int GetOrSetUpData(int id, libdata_t **appData,
+                   libthreaddata_t **threadData)
+{
+  int                 err;
+  libdata_t           *app_data;
+  libthreaddata_t *thread_data;
+  NXKey_t             key;
+  NX_LOCK_INFO_ALLOC(liblock, "Application Data Lock", 0);
+
+  err         = 0;
+  thread_data = (libthreaddata_t *) NULL;
+
+  /*
+   * Attempt to get our data for the application calling us. This is where we
+   * store whatever application-specific information we need to carry in
+   * support of calling applications.
+   */
+  app_data = (libdata_t *) get_app_data(id);
+
+  if(!app_data) {
+    /*
+     * This application hasn't called us before; set up application AND
+     * per-thread data. Of course, just in case a thread from this same
+     * application is calling us simultaneously, we better lock our application
+     * data-creation mutex. We also need to recheck for data after we acquire
+     * the lock because WE might be that other thread that was too late to
+     * create the data and the first thread in will have created it.
+     */
+    NXLock(gLibLock);
+
+    app_data = (libdata_t *) get_app_data(id);
+    if(!app_data) {
+      app_data = calloc(1, sizeof(libdata_t));
+
+      if(app_data) {
+        app_data->tenbytes = malloc(10);
+        app_data->lock     = NXMutexAlloc(0, 0, &liblock);
+
+        if(!app_data->tenbytes || !app_data->lock) {
+          if(app_data->lock)
+            NXMutexFree(app_data->lock);
+          free(app_data->tenbytes);
+          free(app_data);
+          app_data = (libdata_t *) NULL;
+          err      = ENOMEM;
+        }
+
+        if(app_data) {
+          /*
+           * Here we burn in the application data that we were trying to get
+           * by calling get_app_data(). Next time we call the first function,
+           * we'll get this data we're just now setting. We also go on here to
+           * establish the per-thread data for the calling thread, something
+           * we'll have to do on each application thread the first time
+           * it calls us.
+           */
+          err = set_app_data(gLibId, app_data);
+
+          if(err) {
+            if(app_data->lock)
+              NXMutexFree(app_data->lock);
+            free(app_data->tenbytes);
+            free(app_data);
+            app_data = (libdata_t *) NULL;
+            err      = ENOMEM;
+          }
+          else {
+            /* create key for thread-specific data... */
+            err = NXKeyCreate(DisposeThreadData, (void *) NULL, &key);
+
+            if(err)                /* (no more keys left?) */
+              key = -1;
+
+            app_data->perthreadkey = key;
+          }
+        }
+      }
+    }
+
+    NXUnlock(gLibLock);
+  }
+
+  if(app_data) {
+    key = app_data->perthreadkey;
+
+    if(key != -1 /* couldn't create a key? no thread data */
+        && !(err = NXKeyGetValue(key, (void **) &thread_data))
+        && !thread_data) {
+      /*
+       * Allocate the per-thread data for the calling thread. Regardless of
+       * whether there was already application data or not, this may be the
+       * first call by a new thread. The fact that we allocation 20 bytes on
+       * a pointer is not very important, this just helps to demonstrate that
+       * we can have arbitrarily complex per-thread data.
+       */
+      thread_data = malloc(sizeof(libthreaddata_t));
+
+      if(thread_data) {
+        thread_data->_errno      = 0;
+        thread_data->twentybytes = malloc(20);
+
+        if(!thread_data->twentybytes) {
+          free(thread_data);
+          thread_data = (libthreaddata_t *) NULL;
+          err         = ENOMEM;
+        }
+
+        err = NXKeySetValue(key, thread_data);
+        if(err) {
+          free(thread_data->twentybytes);
+          free(thread_data);
+          thread_data = (libthreaddata_t *) NULL;
+        }
+      }
+    }
+  }
+
+  if(appData)
+    *appData = app_data;
+
+  if(threadData)
+    *threadData = thread_data;
+
+  return err;
+}
+
+int DisposeLibraryData(void *data)
+{
+  if(data) {
+    void *tenbytes = ((libdata_t *) data)->tenbytes;
+
+    free(tenbytes);
+    free(data);
+  }
+
+  return 0;
+}
+
+void DisposeThreadData(void *data)
+{
+  if(data) {
+    void *twentybytes = ((libthreaddata_t *) data)->twentybytes;
+
+    free(twentybytes);
+    free(data);
+  }
+}
+
+#else /* __NOVELL_LIBC__ */
+/* For native CLib-based NLM seems we can do a bit more simple. */
+#include <nwthread.h>
+
+int main(void)
+{
+  /* initialize any globals here... */
+
+  /* do this if any global initializing was done
+  SynchronizeStart();
+  */
+  ExitThread(TSR_THREAD, 0);
+  return 0;
+}
+
+#endif /* __NOVELL_LIBC__ */
+
+#else /* NETWARE */
+
+#ifdef __POCC__
+#  pragma warn(disable:2024)  /* Disable warning #2024: Empty input file */
+#endif
+
+#endif /* NETWARE */
Index: trunk/src/libs/curl-7.64.0/lib/nwos.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/nwos.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/nwos.c	(revision 85671)
@@ -0,0 +1,88 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef NETWARE /* Novell NetWare */
+
+#ifdef __NOVELL_LIBC__
+/* For native LibC-based NLM we need to do nothing. */
+int netware_init(void)
+{
+  return 0;
+}
+
+#else /* __NOVELL_LIBC__ */
+
+/* For native CLib-based NLM we need to initialize the LONG namespace. */
+#include <nwnspace.h>
+#include <nwthread.h>
+#include <nwadv.h>
+/* Make the CLIB Ctx stuff link */
+#include <netdb.h>
+NETDB_DEFINE_CONTEXT
+/* Make the CLIB Inet stuff link */
+#include <netinet/in.h>
+#include <arpa/inet.h>
+NETINET_DEFINE_CONTEXT
+
+int netware_init(void)
+{
+  int rc = 0;
+  unsigned int myHandle = GetNLMHandle();
+  /* import UnAugmentAsterisk dynamically for NW4.x compatibility */
+  void (*pUnAugmentAsterisk)(int) = (void(*)(int))
+          ImportSymbol(myHandle, "UnAugmentAsterisk");
+  /* import UseAccurateCaseForPaths dynamically for NW3.x compatibility */
+  void (*pUseAccurateCaseForPaths)(int) = (void(*)(int))
+          ImportSymbol(myHandle, "UseAccurateCaseForPaths");
+  if(pUnAugmentAsterisk)
+    pUnAugmentAsterisk(1);
+  if(pUseAccurateCaseForPaths)
+    pUseAccurateCaseForPaths(1);
+  UnimportSymbol(myHandle, "UnAugmentAsterisk");
+  UnimportSymbol(myHandle, "UseAccurateCaseForPaths");
+  /* set long name space */
+  if((SetCurrentNameSpace(4) == 255)) {
+    rc = 1;
+  }
+  if((SetTargetNameSpace(4) == 255)) {
+    rc = rc + 2;
+  }
+  return rc;
+}
+
+/* dummy function to satisfy newer prelude */
+int __init_environment(void)
+{
+  return 0;
+}
+
+/* dummy function to satisfy newer prelude */
+int __deinit_environment(void)
+{
+  return 0;
+}
+
+#endif /* __NOVELL_LIBC__ */
+
+#endif /* NETWARE */
Index: trunk/src/libs/curl-7.64.0/lib/openldap.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/openldap.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/openldap.c	(revision 85671)
@@ -0,0 +1,763 @@
+/***************************************************************************
+ *                      _   _ ____  _
+ *  Project         ___| | | |  _ \| |
+ *                 / __| | | | |_) | |
+ *                | (__| |_| |  _ <| |___
+ *                 \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2010, Howard Chu, <hyc@openldap.org>
+ * Copyright (C) 2011 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if !defined(CURL_DISABLE_LDAP) && defined(USE_OPENLDAP)
+
+/*
+ * Notice that USE_OPENLDAP is only a source code selection switch. When
+ * libcurl is built with USE_OPENLDAP defined the libcurl source code that
+ * gets compiled is the code from openldap.c, otherwise the code that gets
+ * compiled is the code from ldap.c.
+ *
+ * When USE_OPENLDAP is defined a recent version of the OpenLDAP library
+ * might be required for compilation and runtime. In order to use ancient
+ * OpenLDAP library versions, USE_OPENLDAP shall not be defined.
+ */
+
+#include <ldap.h>
+
+#include "urldata.h"
+#include <curl/curl.h>
+#include "sendf.h"
+#include "vtls/vtls.h"
+#include "transfer.h"
+#include "curl_ldap.h"
+#include "curl_base64.h"
+#include "connect.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Uncommenting this will enable the built-in debug logging of the openldap
+ * library. The debug log level can be set using the CURL_OPENLDAP_TRACE
+ * environment variable. The debug output is written to stderr.
+ *
+ * The library supports the following debug flags:
+ * LDAP_DEBUG_NONE         0x0000
+ * LDAP_DEBUG_TRACE        0x0001
+ * LDAP_DEBUG_CONSTRUCT    0x0002
+ * LDAP_DEBUG_DESTROY      0x0004
+ * LDAP_DEBUG_PARAMETER    0x0008
+ * LDAP_DEBUG_ANY          0xffff
+ *
+ * For example, use CURL_OPENLDAP_TRACE=0 for no debug,
+ * CURL_OPENLDAP_TRACE=2 for LDAP_DEBUG_CONSTRUCT messages only,
+ * CURL_OPENLDAP_TRACE=65535 for all debug message levels.
+ */
+/* #define CURL_OPENLDAP_DEBUG */
+
+#ifndef _LDAP_PVT_H
+extern int ldap_pvt_url_scheme2proto(const char *);
+extern int ldap_init_fd(ber_socket_t fd, int proto, const char *url,
+                        LDAP **ld);
+#endif
+
+static CURLcode ldap_setup_connection(struct connectdata *conn);
+static CURLcode ldap_do(struct connectdata *conn, bool *done);
+static CURLcode ldap_done(struct connectdata *conn, CURLcode, bool);
+static CURLcode ldap_connect(struct connectdata *conn, bool *done);
+static CURLcode ldap_connecting(struct connectdata *conn, bool *done);
+static CURLcode ldap_disconnect(struct connectdata *conn, bool dead);
+
+static Curl_recv ldap_recv;
+
+/*
+ * LDAP protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_ldap = {
+  "LDAP",                               /* scheme */
+  ldap_setup_connection,                /* setup_connection */
+  ldap_do,                              /* do_it */
+  ldap_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  ldap_connect,                         /* connect_it */
+  ldap_connecting,                      /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  ldap_disconnect,                      /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_LDAP,                            /* defport */
+  CURLPROTO_LDAP,                       /* protocol */
+  PROTOPT_NONE                          /* flags */
+};
+
+#ifdef USE_SSL
+/*
+ * LDAPS protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_ldaps = {
+  "LDAPS",                              /* scheme */
+  ldap_setup_connection,                /* setup_connection */
+  ldap_do,                              /* do_it */
+  ldap_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  ldap_connect,                         /* connect_it */
+  ldap_connecting,                      /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  ldap_disconnect,                      /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_LDAPS,                           /* defport */
+  CURLPROTO_LDAP,                       /* protocol */
+  PROTOPT_SSL                           /* flags */
+};
+#endif
+
+static const char *url_errs[] = {
+  "success",
+  "out of memory",
+  "bad parameter",
+  "unrecognized scheme",
+  "unbalanced delimiter",
+  "bad URL",
+  "bad host or port",
+  "bad or missing attributes",
+  "bad or missing scope",
+  "bad or missing filter",
+  "bad or missing extensions"
+};
+
+typedef struct ldapconninfo {
+  LDAP *ld;
+  Curl_recv *recv;  /* for stacking SSL handler */
+  Curl_send *send;
+  int proto;
+  int msgid;
+  bool ssldone;
+  bool sslinst;
+  bool didbind;
+} ldapconninfo;
+
+typedef struct ldapreqinfo {
+  int msgid;
+  int nument;
+} ldapreqinfo;
+
+static CURLcode ldap_setup_connection(struct connectdata *conn)
+{
+  ldapconninfo *li;
+  LDAPURLDesc *lud;
+  struct Curl_easy *data = conn->data;
+  int rc, proto;
+  CURLcode status;
+
+  rc = ldap_url_parse(data->change.url, &lud);
+  if(rc != LDAP_URL_SUCCESS) {
+    const char *msg = "url parsing problem";
+    status = CURLE_URL_MALFORMAT;
+    if(rc > LDAP_URL_SUCCESS && rc <= LDAP_URL_ERR_BADEXTS) {
+      if(rc == LDAP_URL_ERR_MEM)
+        status = CURLE_OUT_OF_MEMORY;
+      msg = url_errs[rc];
+    }
+    failf(conn->data, "LDAP local: %s", msg);
+    return status;
+  }
+  proto = ldap_pvt_url_scheme2proto(lud->lud_scheme);
+  ldap_free_urldesc(lud);
+
+  li = calloc(1, sizeof(ldapconninfo));
+  if(!li)
+    return CURLE_OUT_OF_MEMORY;
+  li->proto = proto;
+  conn->proto.generic = li;
+  connkeep(conn, "OpenLDAP default");
+  /* TODO:
+   * - provide option to choose SASL Binds instead of Simple
+   */
+  return CURLE_OK;
+}
+
+#ifdef USE_SSL
+static Sockbuf_IO ldapsb_tls;
+#endif
+
+static CURLcode ldap_connect(struct connectdata *conn, bool *done)
+{
+  ldapconninfo *li = conn->proto.generic;
+  struct Curl_easy *data = conn->data;
+  int rc, proto = LDAP_VERSION3;
+  char hosturl[1024];
+  char *ptr;
+
+  (void)done;
+
+  strcpy(hosturl, "ldap");
+  ptr = hosturl + 4;
+  if(conn->handler->flags & PROTOPT_SSL)
+    *ptr++ = 's';
+  msnprintf(ptr, sizeof(hosturl)-(ptr-hosturl), "://%s:%d",
+            conn->host.name, conn->remote_port);
+
+#ifdef CURL_OPENLDAP_DEBUG
+  static int do_trace = 0;
+  const char *env = getenv("CURL_OPENLDAP_TRACE");
+  do_trace = (env && strtol(env, NULL, 10) > 0);
+  if(do_trace) {
+    ldap_set_option(li->ld, LDAP_OPT_DEBUG_LEVEL, &do_trace);
+  }
+#endif
+
+  rc = ldap_init_fd(conn->sock[FIRSTSOCKET], li->proto, hosturl, &li->ld);
+  if(rc) {
+    failf(data, "LDAP local: Cannot connect to %s, %s",
+          hosturl, ldap_err2string(rc));
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  ldap_set_option(li->ld, LDAP_OPT_PROTOCOL_VERSION, &proto);
+
+#ifdef USE_SSL
+  if(conn->handler->flags & PROTOPT_SSL) {
+    CURLcode result;
+    result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, &li->ssldone);
+    if(result)
+      return result;
+  }
+#endif
+
+  return CURLE_OK;
+}
+
+static CURLcode ldap_connecting(struct connectdata *conn, bool *done)
+{
+  ldapconninfo *li = conn->proto.generic;
+  struct Curl_easy *data = conn->data;
+  LDAPMessage *msg = NULL;
+  struct timeval tv = {0, 1}, *tvp;
+  int rc, err;
+  char *info = NULL;
+
+#ifdef USE_SSL
+  if(conn->handler->flags & PROTOPT_SSL) {
+    /* Is the SSL handshake complete yet? */
+    if(!li->ssldone) {
+      CURLcode result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET,
+                                                     &li->ssldone);
+      if(result || !li->ssldone)
+        return result;
+    }
+
+    /* Have we installed the libcurl SSL handlers into the sockbuf yet? */
+    if(!li->sslinst) {
+      Sockbuf *sb;
+      ldap_get_option(li->ld, LDAP_OPT_SOCKBUF, &sb);
+      ber_sockbuf_add_io(sb, &ldapsb_tls, LBER_SBIOD_LEVEL_TRANSPORT, conn);
+      li->sslinst = TRUE;
+      li->recv = conn->recv[FIRSTSOCKET];
+      li->send = conn->send[FIRSTSOCKET];
+    }
+  }
+#endif
+
+  tvp = &tv;
+
+  retry:
+  if(!li->didbind) {
+    char *binddn;
+    struct berval passwd;
+
+    if(conn->bits.user_passwd) {
+      binddn = conn->user;
+      passwd.bv_val = conn->passwd;
+      passwd.bv_len = strlen(passwd.bv_val);
+    }
+    else {
+      binddn = NULL;
+      passwd.bv_val = NULL;
+      passwd.bv_len = 0;
+    }
+    rc = ldap_sasl_bind(li->ld, binddn, LDAP_SASL_SIMPLE, &passwd,
+                        NULL, NULL, &li->msgid);
+    if(rc)
+      return CURLE_LDAP_CANNOT_BIND;
+    li->didbind = TRUE;
+    if(tvp)
+      return CURLE_OK;
+  }
+
+  rc = ldap_result(li->ld, li->msgid, LDAP_MSG_ONE, tvp, &msg);
+  if(rc < 0) {
+    failf(data, "LDAP local: bind ldap_result %s", ldap_err2string(rc));
+    return CURLE_LDAP_CANNOT_BIND;
+  }
+  if(rc == 0) {
+    /* timed out */
+    return CURLE_OK;
+  }
+
+  rc = ldap_parse_result(li->ld, msg, &err, NULL, &info, NULL, NULL, 1);
+  if(rc) {
+    failf(data, "LDAP local: bind ldap_parse_result %s", ldap_err2string(rc));
+    return CURLE_LDAP_CANNOT_BIND;
+  }
+
+  /* Try to fallback to LDAPv2? */
+  if(err == LDAP_PROTOCOL_ERROR) {
+    int proto;
+    ldap_get_option(li->ld, LDAP_OPT_PROTOCOL_VERSION, &proto);
+    if(proto == LDAP_VERSION3) {
+      if(info) {
+        ldap_memfree(info);
+        info = NULL;
+      }
+      proto = LDAP_VERSION2;
+      ldap_set_option(li->ld, LDAP_OPT_PROTOCOL_VERSION, &proto);
+      li->didbind = FALSE;
+      goto retry;
+    }
+  }
+
+  if(err) {
+    failf(data, "LDAP remote: bind failed %s %s", ldap_err2string(rc),
+          info ? info : "");
+    if(info)
+      ldap_memfree(info);
+    return CURLE_LOGIN_DENIED;
+  }
+
+  if(info)
+    ldap_memfree(info);
+  conn->recv[FIRSTSOCKET] = ldap_recv;
+  *done = TRUE;
+
+  return CURLE_OK;
+}
+
+static CURLcode ldap_disconnect(struct connectdata *conn, bool dead_connection)
+{
+  ldapconninfo *li = conn->proto.generic;
+  (void) dead_connection;
+
+  if(li) {
+    if(li->ld) {
+      ldap_unbind_ext(li->ld, NULL, NULL);
+      li->ld = NULL;
+    }
+    conn->proto.generic = NULL;
+    free(li);
+  }
+  return CURLE_OK;
+}
+
+static CURLcode ldap_do(struct connectdata *conn, bool *done)
+{
+  ldapconninfo *li = conn->proto.generic;
+  ldapreqinfo *lr;
+  CURLcode status = CURLE_OK;
+  int rc = 0;
+  LDAPURLDesc *ludp = NULL;
+  int msgid;
+  struct Curl_easy *data = conn->data;
+
+  connkeep(conn, "OpenLDAP do");
+
+  infof(data, "LDAP local: %s\n", data->change.url);
+
+  rc = ldap_url_parse(data->change.url, &ludp);
+  if(rc != LDAP_URL_SUCCESS) {
+    const char *msg = "url parsing problem";
+    status = CURLE_URL_MALFORMAT;
+    if(rc > LDAP_URL_SUCCESS && rc <= LDAP_URL_ERR_BADEXTS) {
+      if(rc == LDAP_URL_ERR_MEM)
+        status = CURLE_OUT_OF_MEMORY;
+      msg = url_errs[rc];
+    }
+    failf(conn->data, "LDAP local: %s", msg);
+    return status;
+  }
+
+  rc = ldap_search_ext(li->ld, ludp->lud_dn, ludp->lud_scope,
+                       ludp->lud_filter, ludp->lud_attrs, 0,
+                       NULL, NULL, NULL, 0, &msgid);
+  ldap_free_urldesc(ludp);
+  if(rc != LDAP_SUCCESS) {
+    failf(data, "LDAP local: ldap_search_ext %s", ldap_err2string(rc));
+    return CURLE_LDAP_SEARCH_FAILED;
+  }
+  lr = calloc(1, sizeof(ldapreqinfo));
+  if(!lr)
+    return CURLE_OUT_OF_MEMORY;
+  lr->msgid = msgid;
+  data->req.protop = lr;
+  Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE, NULL, -1, NULL);
+  *done = TRUE;
+  return CURLE_OK;
+}
+
+static CURLcode ldap_done(struct connectdata *conn, CURLcode res,
+                          bool premature)
+{
+  ldapreqinfo *lr = conn->data->req.protop;
+
+  (void)res;
+  (void)premature;
+
+  if(lr) {
+    /* if there was a search in progress, abandon it */
+    if(lr->msgid) {
+      ldapconninfo *li = conn->proto.generic;
+      ldap_abandon_ext(li->ld, lr->msgid, NULL, NULL);
+      lr->msgid = 0;
+    }
+    conn->data->req.protop = NULL;
+    free(lr);
+  }
+
+  return CURLE_OK;
+}
+
+static ssize_t ldap_recv(struct connectdata *conn, int sockindex, char *buf,
+                         size_t len, CURLcode *err)
+{
+  ldapconninfo *li = conn->proto.generic;
+  struct Curl_easy *data = conn->data;
+  ldapreqinfo *lr = data->req.protop;
+  int rc, ret;
+  LDAPMessage *msg = NULL;
+  LDAPMessage *ent;
+  BerElement *ber = NULL;
+  struct timeval tv = {0, 1};
+
+  (void)len;
+  (void)buf;
+  (void)sockindex;
+
+  rc = ldap_result(li->ld, lr->msgid, LDAP_MSG_RECEIVED, &tv, &msg);
+  if(rc < 0) {
+    failf(data, "LDAP local: search ldap_result %s", ldap_err2string(rc));
+    *err = CURLE_RECV_ERROR;
+    return -1;
+  }
+
+  *err = CURLE_AGAIN;
+  ret = -1;
+
+  /* timed out */
+  if(!msg)
+    return ret;
+
+  for(ent = ldap_first_message(li->ld, msg); ent;
+      ent = ldap_next_message(li->ld, ent)) {
+    struct berval bv, *bvals;
+    int binary = 0, msgtype;
+    CURLcode writeerr;
+
+    msgtype = ldap_msgtype(ent);
+    if(msgtype == LDAP_RES_SEARCH_RESULT) {
+      int code;
+      char *info = NULL;
+      rc = ldap_parse_result(li->ld, ent, &code, NULL, &info, NULL, NULL, 0);
+      if(rc) {
+        failf(data, "LDAP local: search ldap_parse_result %s",
+              ldap_err2string(rc));
+        *err = CURLE_LDAP_SEARCH_FAILED;
+      }
+      else if(code && code != LDAP_SIZELIMIT_EXCEEDED) {
+        failf(data, "LDAP remote: search failed %s %s", ldap_err2string(rc),
+              info ? info : "");
+        *err = CURLE_LDAP_SEARCH_FAILED;
+      }
+      else {
+        /* successful */
+        if(code == LDAP_SIZELIMIT_EXCEEDED)
+          infof(data, "There are more than %d entries\n", lr->nument);
+        data->req.size = data->req.bytecount;
+        *err = CURLE_OK;
+        ret = 0;
+      }
+      lr->msgid = 0;
+      ldap_memfree(info);
+      break;
+    }
+    else if(msgtype != LDAP_RES_SEARCH_ENTRY)
+      continue;
+
+    lr->nument++;
+    rc = ldap_get_dn_ber(li->ld, ent, &ber, &bv);
+    if(rc < 0) {
+      /* TODO: verify that this is really how this return code should be
+         handled */
+      *err = CURLE_RECV_ERROR;
+      return -1;
+    }
+    writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"DN: ", 4);
+    if(writeerr) {
+      *err = writeerr;
+      return -1;
+    }
+
+    writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)bv.bv_val,
+                                 bv.bv_len);
+    if(writeerr) {
+      *err = writeerr;
+      return -1;
+    }
+
+    writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 1);
+    if(writeerr) {
+      *err = writeerr;
+      return -1;
+    }
+    data->req.bytecount += bv.bv_len + 5;
+
+    for(rc = ldap_get_attribute_ber(li->ld, ent, ber, &bv, &bvals);
+        rc == LDAP_SUCCESS;
+        rc = ldap_get_attribute_ber(li->ld, ent, ber, &bv, &bvals)) {
+      int i;
+
+      if(bv.bv_val == NULL)
+        break;
+
+      if(bv.bv_len > 7 && !strncmp(bv.bv_val + bv.bv_len - 7, ";binary", 7))
+        binary = 1;
+      else
+        binary = 0;
+
+      if(bvals == NULL) {
+        writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\t", 1);
+        if(writeerr) {
+          *err = writeerr;
+          return -1;
+        }
+        writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)bv.bv_val,
+                                     bv.bv_len);
+        if(writeerr) {
+          *err = writeerr;
+          return -1;
+        }
+        writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)":\n", 2);
+        if(writeerr) {
+          *err = writeerr;
+          return -1;
+        }
+        data->req.bytecount += bv.bv_len + 3;
+        continue;
+      }
+
+      for(i = 0; bvals[i].bv_val != NULL; i++) {
+        int binval = 0;
+        writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\t", 1);
+        if(writeerr) {
+          *err = writeerr;
+          return -1;
+        }
+
+        writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)bv.bv_val,
+                                     bv.bv_len);
+        if(writeerr) {
+          *err = writeerr;
+          return -1;
+        }
+
+        writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)":", 1);
+        if(writeerr) {
+          *err = writeerr;
+          return -1;
+        }
+        data->req.bytecount += bv.bv_len + 2;
+
+        if(!binary) {
+          /* check for leading or trailing whitespace */
+          if(ISSPACE(bvals[i].bv_val[0]) ||
+             ISSPACE(bvals[i].bv_val[bvals[i].bv_len-1]))
+            binval = 1;
+          else {
+            /* check for unprintable characters */
+            unsigned int j;
+            for(j = 0; j<bvals[i].bv_len; j++)
+              if(!ISPRINT(bvals[i].bv_val[j])) {
+                binval = 1;
+                break;
+              }
+          }
+        }
+        if(binary || binval) {
+          char *val_b64 = NULL;
+          size_t val_b64_sz = 0;
+          /* Binary value, encode to base64. */
+          CURLcode error = Curl_base64_encode(data,
+                                              bvals[i].bv_val,
+                                              bvals[i].bv_len,
+                                              &val_b64,
+                                              &val_b64_sz);
+          if(error) {
+            ber_memfree(bvals);
+            ber_free(ber, 0);
+            ldap_msgfree(msg);
+            *err = error;
+            return -1;
+          }
+          writeerr = Curl_client_write(conn, CLIENTWRITE_BODY,
+                                       (char *)": ", 2);
+          if(writeerr) {
+            *err = writeerr;
+            return -1;
+          }
+
+          data->req.bytecount += 2;
+          if(val_b64_sz > 0) {
+            writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, val_b64,
+                                         val_b64_sz);
+            if(writeerr) {
+              *err = writeerr;
+              return -1;
+            }
+            free(val_b64);
+            data->req.bytecount += val_b64_sz;
+          }
+        }
+        else {
+          writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)" ", 1);
+          if(writeerr) {
+            *err = writeerr;
+            return -1;
+          }
+
+          writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, bvals[i].bv_val,
+                                       bvals[i].bv_len);
+          if(writeerr) {
+            *err = writeerr;
+            return -1;
+          }
+
+          data->req.bytecount += bvals[i].bv_len + 1;
+        }
+        writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 0);
+        if(writeerr) {
+          *err = writeerr;
+          return -1;
+        }
+
+        data->req.bytecount++;
+      }
+      ber_memfree(bvals);
+      writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 0);
+      if(writeerr) {
+        *err = writeerr;
+        return -1;
+      }
+      data->req.bytecount++;
+    }
+    writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 0);
+    if(writeerr) {
+      *err = writeerr;
+      return -1;
+    }
+    data->req.bytecount++;
+    ber_free(ber, 0);
+  }
+  ldap_msgfree(msg);
+  return ret;
+}
+
+#ifdef USE_SSL
+static int
+ldapsb_tls_setup(Sockbuf_IO_Desc *sbiod, void *arg)
+{
+  sbiod->sbiod_pvt = arg;
+  return 0;
+}
+
+static int
+ldapsb_tls_remove(Sockbuf_IO_Desc *sbiod)
+{
+  sbiod->sbiod_pvt = NULL;
+  return 0;
+}
+
+/* We don't need to do anything because libcurl does it already */
+static int
+ldapsb_tls_close(Sockbuf_IO_Desc *sbiod)
+{
+  (void)sbiod;
+  return 0;
+}
+
+static int
+ldapsb_tls_ctrl(Sockbuf_IO_Desc *sbiod, int opt, void *arg)
+{
+  (void)arg;
+  if(opt == LBER_SB_OPT_DATA_READY) {
+    struct connectdata *conn = sbiod->sbiod_pvt;
+    return Curl_ssl_data_pending(conn, FIRSTSOCKET);
+  }
+  return 0;
+}
+
+static ber_slen_t
+ldapsb_tls_read(Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
+{
+  struct connectdata *conn = sbiod->sbiod_pvt;
+  ldapconninfo *li = conn->proto.generic;
+  ber_slen_t ret;
+  CURLcode err = CURLE_RECV_ERROR;
+
+  ret = (li->recv)(conn, FIRSTSOCKET, buf, len, &err);
+  if(ret < 0 && err == CURLE_AGAIN) {
+    SET_SOCKERRNO(EWOULDBLOCK);
+  }
+  return ret;
+}
+
+static ber_slen_t
+ldapsb_tls_write(Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
+{
+  struct connectdata *conn = sbiod->sbiod_pvt;
+  ldapconninfo *li = conn->proto.generic;
+  ber_slen_t ret;
+  CURLcode err = CURLE_SEND_ERROR;
+
+  ret = (li->send)(conn, FIRSTSOCKET, buf, len, &err);
+  if(ret < 0 && err == CURLE_AGAIN) {
+    SET_SOCKERRNO(EWOULDBLOCK);
+  }
+  return ret;
+}
+
+static Sockbuf_IO ldapsb_tls =
+{
+  ldapsb_tls_setup,
+  ldapsb_tls_remove,
+  ldapsb_tls_ctrl,
+  ldapsb_tls_read,
+  ldapsb_tls_write,
+  ldapsb_tls_close
+};
+#endif /* USE_SSL */
+
+#endif /* !CURL_DISABLE_LDAP && USE_OPENLDAP */
Index: trunk/src/libs/curl-7.64.0/lib/parsedate.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/parsedate.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/parsedate.c	(revision 85671)
@@ -0,0 +1,596 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+/*
+  A brief summary of the date string formats this parser groks:
+
+  RFC 2616 3.3.1
+
+  Sun, 06 Nov 1994 08:49:37 GMT  ; RFC 822, updated by RFC 1123
+  Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
+  Sun Nov  6 08:49:37 1994       ; ANSI C's asctime() format
+
+  we support dates without week day name:
+
+  06 Nov 1994 08:49:37 GMT
+  06-Nov-94 08:49:37 GMT
+  Nov  6 08:49:37 1994
+
+  without the time zone:
+
+  06 Nov 1994 08:49:37
+  06-Nov-94 08:49:37
+
+  weird order:
+
+  1994 Nov 6 08:49:37  (GNU date fails)
+  GMT 08:49:37 06-Nov-94 Sunday
+  94 6 Nov 08:49:37    (GNU date fails)
+
+  time left out:
+
+  1994 Nov 6
+  06-Nov-94
+  Sun Nov 6 94
+
+  unusual separators:
+
+  1994.Nov.6
+  Sun/Nov/6/94/GMT
+
+  commonly used time zone names:
+
+  Sun, 06 Nov 1994 08:49:37 CET
+  06 Nov 1994 08:49:37 EST
+
+  time zones specified using RFC822 style:
+
+  Sun, 12 Sep 2004 15:05:58 -0700
+  Sat, 11 Sep 2004 21:32:11 +0200
+
+  compact numerical date strings:
+
+  20040912 15:05:58 -0700
+  20040911 +0200
+
+*/
+
+#include "curl_setup.h"
+
+#include <limits.h>
+
+#include <curl/curl.h>
+#include "strcase.h"
+#include "warnless.h"
+#include "parsedate.h"
+
+const char * const Curl_wkday[] =
+{"Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"};
+static const char * const weekday[] =
+{ "Monday", "Tuesday", "Wednesday", "Thursday",
+  "Friday", "Saturday", "Sunday" };
+const char * const Curl_month[]=
+{ "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+  "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
+
+struct tzinfo {
+  char name[5];
+  int offset; /* +/- in minutes */
+};
+
+/*
+ * parsedate()
+ *
+ * Returns:
+ *
+ * PARSEDATE_OK     - a fine conversion
+ * PARSEDATE_FAIL   - failed to convert
+ * PARSEDATE_LATER  - time overflow at the far end of time_t
+ * PARSEDATE_SOONER - time underflow at the low end of time_t
+ */
+
+static int parsedate(const char *date, time_t *output);
+
+#define PARSEDATE_OK     0
+#define PARSEDATE_FAIL   -1
+#define PARSEDATE_LATER  1
+#define PARSEDATE_SOONER 2
+
+/* Here's a bunch of frequently used time zone names. These were supported
+   by the old getdate parser. */
+#define tDAYZONE -60       /* offset for daylight savings time */
+static const struct tzinfo tz[]= {
+  {"GMT", 0},              /* Greenwich Mean */
+  {"UT",  0},              /* Universal Time */
+  {"UTC", 0},              /* Universal (Coordinated) */
+  {"WET", 0},              /* Western European */
+  {"BST", 0 tDAYZONE},     /* British Summer */
+  {"WAT", 60},             /* West Africa */
+  {"AST", 240},            /* Atlantic Standard */
+  {"ADT", 240 tDAYZONE},   /* Atlantic Daylight */
+  {"EST", 300},            /* Eastern Standard */
+  {"EDT", 300 tDAYZONE},   /* Eastern Daylight */
+  {"CST", 360},            /* Central Standard */
+  {"CDT", 360 tDAYZONE},   /* Central Daylight */
+  {"MST", 420},            /* Mountain Standard */
+  {"MDT", 420 tDAYZONE},   /* Mountain Daylight */
+  {"PST", 480},            /* Pacific Standard */
+  {"PDT", 480 tDAYZONE},   /* Pacific Daylight */
+  {"YST", 540},            /* Yukon Standard */
+  {"YDT", 540 tDAYZONE},   /* Yukon Daylight */
+  {"HST", 600},            /* Hawaii Standard */
+  {"HDT", 600 tDAYZONE},   /* Hawaii Daylight */
+  {"CAT", 600},            /* Central Alaska */
+  {"AHST", 600},           /* Alaska-Hawaii Standard */
+  {"NT",  660},            /* Nome */
+  {"IDLW", 720},           /* International Date Line West */
+  {"CET", -60},            /* Central European */
+  {"MET", -60},            /* Middle European */
+  {"MEWT", -60},           /* Middle European Winter */
+  {"MEST", -60 tDAYZONE},  /* Middle European Summer */
+  {"CEST", -60 tDAYZONE},  /* Central European Summer */
+  {"MESZ", -60 tDAYZONE},  /* Middle European Summer */
+  {"FWT", -60},            /* French Winter */
+  {"FST", -60 tDAYZONE},   /* French Summer */
+  {"EET", -120},           /* Eastern Europe, USSR Zone 1 */
+  {"WAST", -420},          /* West Australian Standard */
+  {"WADT", -420 tDAYZONE}, /* West Australian Daylight */
+  {"CCT", -480},           /* China Coast, USSR Zone 7 */
+  {"JST", -540},           /* Japan Standard, USSR Zone 8 */
+  {"EAST", -600},          /* Eastern Australian Standard */
+  {"EADT", -600 tDAYZONE}, /* Eastern Australian Daylight */
+  {"GST", -600},           /* Guam Standard, USSR Zone 9 */
+  {"NZT", -720},           /* New Zealand */
+  {"NZST", -720},          /* New Zealand Standard */
+  {"NZDT", -720 tDAYZONE}, /* New Zealand Daylight */
+  {"IDLE", -720},          /* International Date Line East */
+  /* Next up: Military timezone names. RFC822 allowed these, but (as noted in
+     RFC 1123) had their signs wrong. Here we use the correct signs to match
+     actual military usage.
+   */
+  {"A",  1 * 60},         /* Alpha */
+  {"B",  2 * 60},         /* Bravo */
+  {"C",  3 * 60},         /* Charlie */
+  {"D",  4 * 60},         /* Delta */
+  {"E",  5 * 60},         /* Echo */
+  {"F",  6 * 60},         /* Foxtrot */
+  {"G",  7 * 60},         /* Golf */
+  {"H",  8 * 60},         /* Hotel */
+  {"I",  9 * 60},         /* India */
+  /* "J", Juliet is not used as a timezone, to indicate the observer's local
+     time */
+  {"K", 10 * 60},         /* Kilo */
+  {"L", 11 * 60},         /* Lima */
+  {"M", 12 * 60},         /* Mike */
+  {"N",  -1 * 60},         /* November */
+  {"O",  -2 * 60},         /* Oscar */
+  {"P",  -3 * 60},         /* Papa */
+  {"Q",  -4 * 60},         /* Quebec */
+  {"R",  -5 * 60},         /* Romeo */
+  {"S",  -6 * 60},         /* Sierra */
+  {"T",  -7 * 60},         /* Tango */
+  {"U",  -8 * 60},         /* Uniform */
+  {"V",  -9 * 60},         /* Victor */
+  {"W", -10 * 60},         /* Whiskey */
+  {"X", -11 * 60},         /* X-ray */
+  {"Y", -12 * 60},         /* Yankee */
+  {"Z", 0},                /* Zulu, zero meridian, a.k.a. UTC */
+};
+
+/* returns:
+   -1 no day
+   0 monday - 6 sunday
+*/
+
+static int checkday(const char *check, size_t len)
+{
+  int i;
+  const char * const *what;
+  bool found = FALSE;
+  if(len > 3)
+    what = &weekday[0];
+  else
+    what = &Curl_wkday[0];
+  for(i = 0; i<7; i++) {
+    if(strcasecompare(check, what[0])) {
+      found = TRUE;
+      break;
+    }
+    what++;
+  }
+  return found?i:-1;
+}
+
+static int checkmonth(const char *check)
+{
+  int i;
+  const char * const *what;
+  bool found = FALSE;
+
+  what = &Curl_month[0];
+  for(i = 0; i<12; i++) {
+    if(strcasecompare(check, what[0])) {
+      found = TRUE;
+      break;
+    }
+    what++;
+  }
+  return found?i:-1; /* return the offset or -1, no real offset is -1 */
+}
+
+/* return the time zone offset between GMT and the input one, in number
+   of seconds or -1 if the timezone wasn't found/legal */
+
+static int checktz(const char *check)
+{
+  unsigned int i;
+  const struct tzinfo *what;
+  bool found = FALSE;
+
+  what = tz;
+  for(i = 0; i< sizeof(tz)/sizeof(tz[0]); i++) {
+    if(strcasecompare(check, what->name)) {
+      found = TRUE;
+      break;
+    }
+    what++;
+  }
+  return found?what->offset*60:-1;
+}
+
+static void skip(const char **date)
+{
+  /* skip everything that aren't letters or digits */
+  while(**date && !ISALNUM(**date))
+    (*date)++;
+}
+
+enum assume {
+  DATE_MDAY,
+  DATE_YEAR,
+  DATE_TIME
+};
+
+/* this is a clone of 'struct tm' but with all fields we don't need or use
+   cut out */
+struct my_tm {
+  int tm_sec;
+  int tm_min;
+  int tm_hour;
+  int tm_mday;
+  int tm_mon;
+  int tm_year; /* full year */
+};
+
+/* struct tm to time since epoch in GMT time zone.
+ * This is similar to the standard mktime function but for GMT only, and
+ * doesn't suffer from the various bugs and portability problems that
+ * some systems' implementations have.
+ *
+ * Returns 0 on success, otherwise non-zero.
+ */
+static void my_timegm(struct my_tm *tm, time_t *t)
+{
+  static const int month_days_cumulative [12] =
+    { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 };
+  int month, year, leap_days;
+
+  year = tm->tm_year;
+  month = tm->tm_mon;
+  if(month < 0) {
+    year += (11 - month) / 12;
+    month = 11 - (11 - month) % 12;
+  }
+  else if(month >= 12) {
+    year -= month / 12;
+    month = month % 12;
+  }
+
+  leap_days = year - (tm->tm_mon <= 1);
+  leap_days = ((leap_days / 4) - (leap_days / 100) + (leap_days / 400)
+               - (1969 / 4) + (1969 / 100) - (1969 / 400));
+
+  *t = ((((time_t) (year - 1970) * 365
+          + leap_days + month_days_cumulative[month] + tm->tm_mday - 1) * 24
+         + tm->tm_hour) * 60 + tm->tm_min) * 60 + tm->tm_sec;
+}
+
+/*
+ * parsedate()
+ *
+ * Returns:
+ *
+ * PARSEDATE_OK     - a fine conversion
+ * PARSEDATE_FAIL   - failed to convert
+ * PARSEDATE_LATER  - time overflow at the far end of time_t
+ * PARSEDATE_SOONER - time underflow at the low end of time_t
+ */
+
+static int parsedate(const char *date, time_t *output)
+{
+  time_t t = 0;
+  int wdaynum = -1;  /* day of the week number, 0-6 (mon-sun) */
+  int monnum = -1;   /* month of the year number, 0-11 */
+  int mdaynum = -1; /* day of month, 1 - 31 */
+  int hournum = -1;
+  int minnum = -1;
+  int secnum = -1;
+  int yearnum = -1;
+  int tzoff = -1;
+  struct my_tm tm;
+  enum assume dignext = DATE_MDAY;
+  const char *indate = date; /* save the original pointer */
+  int part = 0; /* max 6 parts */
+
+  while(*date && (part < 6)) {
+    bool found = FALSE;
+
+    skip(&date);
+
+    if(ISALPHA(*date)) {
+      /* a name coming up */
+      char buf[32]="";
+      size_t len;
+      if(sscanf(date, "%31[ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+                          "abcdefghijklmnopqrstuvwxyz]", buf))
+        len = strlen(buf);
+      else
+        len = 0;
+
+      if(wdaynum == -1) {
+        wdaynum = checkday(buf, len);
+        if(wdaynum != -1)
+          found = TRUE;
+      }
+      if(!found && (monnum == -1)) {
+        monnum = checkmonth(buf);
+        if(monnum != -1)
+          found = TRUE;
+      }
+
+      if(!found && (tzoff == -1)) {
+        /* this just must be a time zone string */
+        tzoff = checktz(buf);
+        if(tzoff != -1)
+          found = TRUE;
+      }
+
+      if(!found)
+        return PARSEDATE_FAIL; /* bad string */
+
+      date += len;
+    }
+    else if(ISDIGIT(*date)) {
+      /* a digit */
+      int val;
+      char *end;
+      int len = 0;
+      if((secnum == -1) &&
+         (3 == sscanf(date, "%02d:%02d:%02d%n",
+                      &hournum, &minnum, &secnum, &len))) {
+        /* time stamp! */
+        date += len;
+      }
+      else if((secnum == -1) &&
+              (2 == sscanf(date, "%02d:%02d%n", &hournum, &minnum, &len))) {
+        /* time stamp without seconds */
+        date += len;
+        secnum = 0;
+      }
+      else {
+        long lval;
+        int error;
+        int old_errno;
+
+        old_errno = errno;
+        errno = 0;
+        lval = strtol(date, &end, 10);
+        error = errno;
+        if(errno != old_errno)
+          errno = old_errno;
+
+        if(error)
+          return PARSEDATE_FAIL;
+
+#if LONG_MAX != INT_MAX
+        if((lval > (long)INT_MAX) || (lval < (long)INT_MIN))
+          return PARSEDATE_FAIL;
+#endif
+
+        val = curlx_sltosi(lval);
+
+        if((tzoff == -1) &&
+           ((end - date) == 4) &&
+           (val <= 1400) &&
+           (indate< date) &&
+           ((date[-1] == '+' || date[-1] == '-'))) {
+          /* four digits and a value less than or equal to 1400 (to take into
+             account all sorts of funny time zone diffs) and it is preceded
+             with a plus or minus. This is a time zone indication.  1400 is
+             picked since +1300 is frequently used and +1400 is mentioned as
+             an edge number in the document "ISO C 200X Proposal: Timezone
+             Functions" at http://david.tribble.com/text/c0xtimezone.html If
+             anyone has a more authoritative source for the exact maximum time
+             zone offsets, please speak up! */
+          found = TRUE;
+          tzoff = (val/100 * 60 + val%100)*60;
+
+          /* the + and - prefix indicates the local time compared to GMT,
+             this we need their reversed math to get what we want */
+          tzoff = date[-1]=='+'?-tzoff:tzoff;
+        }
+
+        if(((end - date) == 8) &&
+           (yearnum == -1) &&
+           (monnum == -1) &&
+           (mdaynum == -1)) {
+          /* 8 digits, no year, month or day yet. This is YYYYMMDD */
+          found = TRUE;
+          yearnum = val/10000;
+          monnum = (val%10000)/100-1; /* month is 0 - 11 */
+          mdaynum = val%100;
+        }
+
+        if(!found && (dignext == DATE_MDAY) && (mdaynum == -1)) {
+          if((val > 0) && (val<32)) {
+            mdaynum = val;
+            found = TRUE;
+          }
+          dignext = DATE_YEAR;
+        }
+
+        if(!found && (dignext == DATE_YEAR) && (yearnum == -1)) {
+          yearnum = val;
+          found = TRUE;
+          if(yearnum < 100) {
+            if(yearnum > 70)
+              yearnum += 1900;
+            else
+              yearnum += 2000;
+          }
+          if(mdaynum == -1)
+            dignext = DATE_MDAY;
+        }
+
+        if(!found)
+          return PARSEDATE_FAIL;
+
+        date = end;
+      }
+    }
+
+    part++;
+  }
+
+  if(-1 == secnum)
+    secnum = minnum = hournum = 0; /* no time, make it zero */
+
+  if((-1 == mdaynum) ||
+     (-1 == monnum) ||
+     (-1 == yearnum))
+    /* lacks vital info, fail */
+    return PARSEDATE_FAIL;
+
+#ifdef HAVE_TIME_T_UNSIGNED
+  if(yearnum < 1970) {
+    /* only positive numbers cannot return earlier */
+    *output = TIME_T_MIN;
+    return PARSEDATE_SOONER;
+  }
+#endif
+
+#if (SIZEOF_TIME_T < 5)
+
+#ifdef HAVE_TIME_T_UNSIGNED
+  /* an unsigned 32 bit time_t can only hold dates to 2106 */
+  if(yearnum > 2105) {
+    *output = TIME_T_MAX;
+    return PARSEDATE_LATER;
+  }
+#else
+  /* a signed 32 bit time_t can only hold dates to the beginning of 2038 */
+  if(yearnum > 2037) {
+    *output = TIME_T_MAX;
+    return PARSEDATE_LATER;
+  }
+  if(yearnum < 1903) {
+    *output = TIME_T_MIN;
+    return PARSEDATE_SOONER;
+  }
+#endif
+
+#else
+  /* The Gregorian calendar was introduced 1582 */
+  if(yearnum < 1583)
+    return PARSEDATE_FAIL;
+#endif
+
+  if((mdaynum > 31) || (monnum > 11) ||
+     (hournum > 23) || (minnum > 59) || (secnum > 60))
+    return PARSEDATE_FAIL; /* clearly an illegal date */
+
+  tm.tm_sec = secnum;
+  tm.tm_min = minnum;
+  tm.tm_hour = hournum;
+  tm.tm_mday = mdaynum;
+  tm.tm_mon = monnum;
+  tm.tm_year = yearnum;
+
+  /* my_timegm() returns a time_t. time_t is often 32 bits, sometimes even on
+     architectures that feature 64 bit 'long' but ultimately time_t is the
+     correct data type to use.
+  */
+  my_timegm(&tm, &t);
+
+  /* Add the time zone diff between local time zone and GMT. */
+  if(tzoff == -1)
+    tzoff = 0;
+
+  if((tzoff > 0) && (t > TIME_T_MAX - tzoff)) {
+    *output = TIME_T_MAX;
+    return PARSEDATE_LATER; /* time_t overflow */
+  }
+
+  t += tzoff;
+
+  *output = t;
+
+  return PARSEDATE_OK;
+}
+
+time_t curl_getdate(const char *p, const time_t *now)
+{
+  time_t parsed = -1;
+  int rc = parsedate(p, &parsed);
+  (void)now; /* legacy argument from the past that we ignore */
+
+  if(rc == PARSEDATE_OK) {
+    if(parsed == -1)
+      /* avoid returning -1 for a working scenario */
+      parsed++;
+    return parsed;
+  }
+  /* everything else is fail */
+  return -1;
+}
+
+/*
+ * Curl_gmtime() is a gmtime() replacement for portability. Do not use the
+ * gmtime_r() or gmtime() functions anywhere else but here.
+ *
+ */
+
+CURLcode Curl_gmtime(time_t intime, struct tm *store)
+{
+  const struct tm *tm;
+#ifdef HAVE_GMTIME_R
+  /* thread-safe version */
+  tm = (struct tm *)gmtime_r(&intime, store);
+#else
+  tm = gmtime(&intime);
+  if(tm)
+    *store = *tm; /* copy the pointed struct to the local copy */
+#endif
+
+  if(!tm)
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+  return CURLE_OK;
+}
Index: trunk/src/libs/curl-7.64.0/lib/parsedate.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/parsedate.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/parsedate.h	(revision 85671)
@@ -0,0 +1,30 @@
+#ifndef HEADER_CURL_PARSEDATE_H
+#define HEADER_CURL_PARSEDATE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+extern const char * const Curl_wkday[7];
+extern const char * const Curl_month[12];
+
+CURLcode Curl_gmtime(time_t intime, struct tm *store);
+
+#endif /* HEADER_CURL_PARSEDATE_H */
Index: trunk/src/libs/curl-7.64.0/lib/pingpong.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/pingpong.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/pingpong.c	(revision 85671)
@@ -0,0 +1,522 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ *   'pingpong' is for generic back-and-forth support functions used by FTP,
+ *   IMAP, POP3, SMTP and whatever more that likes them.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include "urldata.h"
+#include "sendf.h"
+#include "select.h"
+#include "progress.h"
+#include "speedcheck.h"
+#include "pingpong.h"
+#include "multiif.h"
+#include "non-ascii.h"
+#include "vtls/vtls.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#ifdef USE_PINGPONG
+
+/* Returns timeout in ms. 0 or negative number means the timeout has already
+   triggered */
+time_t Curl_pp_state_timeout(struct pingpong *pp, bool disconnecting)
+{
+  struct connectdata *conn = pp->conn;
+  struct Curl_easy *data = conn->data;
+  time_t timeout_ms; /* in milliseconds */
+  long response_time = (data->set.server_response_timeout)?
+    data->set.server_response_timeout: pp->response_time;
+
+  /* if CURLOPT_SERVER_RESPONSE_TIMEOUT is set, use that to determine
+     remaining time, or use pp->response because SERVER_RESPONSE_TIMEOUT is
+     supposed to govern the response for any given server response, not for
+     the time from connect to the given server response. */
+
+  /* Without a requested timeout, we only wait 'response_time' seconds for the
+     full response to arrive before we bail out */
+  timeout_ms = response_time -
+    Curl_timediff(Curl_now(), pp->response); /* spent time */
+
+  if(data->set.timeout && !disconnecting) {
+    /* if timeout is requested, find out how much remaining time we have */
+    time_t timeout2_ms = data->set.timeout - /* timeout time */
+      Curl_timediff(Curl_now(), conn->now); /* spent time */
+
+    /* pick the lowest number */
+    timeout_ms = CURLMIN(timeout_ms, timeout2_ms);
+  }
+
+  return timeout_ms;
+}
+
+/*
+ * Curl_pp_statemach()
+ */
+CURLcode Curl_pp_statemach(struct pingpong *pp, bool block,
+                           bool disconnecting)
+{
+  struct connectdata *conn = pp->conn;
+  curl_socket_t sock = conn->sock[FIRSTSOCKET];
+  int rc;
+  time_t interval_ms;
+  time_t timeout_ms = Curl_pp_state_timeout(pp, disconnecting);
+  struct Curl_easy *data = conn->data;
+  CURLcode result = CURLE_OK;
+
+  if(timeout_ms <= 0) {
+    failf(data, "server response timeout");
+    return CURLE_OPERATION_TIMEDOUT; /* already too little time */
+  }
+
+  if(block) {
+    interval_ms = 1000;  /* use 1 second timeout intervals */
+    if(timeout_ms < interval_ms)
+      interval_ms = timeout_ms;
+  }
+  else
+    interval_ms = 0; /* immediate */
+
+  if(Curl_ssl_data_pending(conn, FIRSTSOCKET))
+    rc = 1;
+  else if(Curl_pp_moredata(pp))
+    /* We are receiving and there is data in the cache so just read it */
+    rc = 1;
+  else if(!pp->sendleft && Curl_ssl_data_pending(conn, FIRSTSOCKET))
+    /* We are receiving and there is data ready in the SSL library */
+    rc = 1;
+  else
+    rc = Curl_socket_check(pp->sendleft?CURL_SOCKET_BAD:sock, /* reading */
+                           CURL_SOCKET_BAD,
+                           pp->sendleft?sock:CURL_SOCKET_BAD, /* writing */
+                           interval_ms);
+
+  if(block) {
+    /* if we didn't wait, we don't have to spend time on this now */
+    if(Curl_pgrsUpdate(conn))
+      result = CURLE_ABORTED_BY_CALLBACK;
+    else
+      result = Curl_speedcheck(data, Curl_now());
+
+    if(result)
+      return result;
+  }
+
+  if(rc == -1) {
+    failf(data, "select/poll error");
+    result = CURLE_OUT_OF_MEMORY;
+  }
+  else if(rc)
+    result = pp->statemach_act(conn);
+
+  return result;
+}
+
+/* initialize stuff to prepare for reading a fresh new response */
+void Curl_pp_init(struct pingpong *pp)
+{
+  struct connectdata *conn = pp->conn;
+  pp->nread_resp = 0;
+  pp->linestart_resp = conn->data->state.buffer;
+  pp->pending_resp = TRUE;
+  pp->response = Curl_now(); /* start response time-out now! */
+}
+
+
+
+/***********************************************************************
+ *
+ * Curl_pp_vsendf()
+ *
+ * Send the formatted string as a command to a pingpong server. Note that
+ * the string should not have any CRLF appended, as this function will
+ * append the necessary things itself.
+ *
+ * made to never block
+ */
+CURLcode Curl_pp_vsendf(struct pingpong *pp,
+                        const char *fmt,
+                        va_list args)
+{
+  ssize_t bytes_written;
+  size_t write_len;
+  char *fmt_crlf;
+  char *s;
+  CURLcode result;
+  struct connectdata *conn = pp->conn;
+  struct Curl_easy *data;
+
+#ifdef HAVE_GSSAPI
+  enum protection_level data_sec;
+#endif
+
+  DEBUGASSERT(pp->sendleft == 0);
+  DEBUGASSERT(pp->sendsize == 0);
+  DEBUGASSERT(pp->sendthis == NULL);
+
+  if(!conn)
+    /* can't send without a connection! */
+    return CURLE_SEND_ERROR;
+
+  data = conn->data;
+
+  fmt_crlf = aprintf("%s\r\n", fmt); /* append a trailing CRLF */
+  if(!fmt_crlf)
+    return CURLE_OUT_OF_MEMORY;
+
+  s = vaprintf(fmt_crlf, args); /* trailing CRLF appended */
+  free(fmt_crlf);
+  if(!s)
+    return CURLE_OUT_OF_MEMORY;
+
+  bytes_written = 0;
+  write_len = strlen(s);
+
+  Curl_pp_init(pp);
+
+  result = Curl_convert_to_network(data, s, write_len);
+  /* Curl_convert_to_network calls failf if unsuccessful */
+  if(result) {
+    free(s);
+    return result;
+  }
+
+#ifdef HAVE_GSSAPI
+  conn->data_prot = PROT_CMD;
+#endif
+  result = Curl_write(conn, conn->sock[FIRSTSOCKET], s, write_len,
+                     &bytes_written);
+#ifdef HAVE_GSSAPI
+  data_sec = conn->data_prot;
+  DEBUGASSERT(data_sec > PROT_NONE && data_sec < PROT_LAST);
+  conn->data_prot = data_sec;
+#endif
+
+  if(result) {
+    free(s);
+    return result;
+  }
+
+  if(conn->data->set.verbose)
+    Curl_debug(conn->data, CURLINFO_HEADER_OUT, s, (size_t)bytes_written);
+
+  if(bytes_written != (ssize_t)write_len) {
+    /* the whole chunk was not sent, keep it around and adjust sizes */
+    pp->sendthis = s;
+    pp->sendsize = write_len;
+    pp->sendleft = write_len - bytes_written;
+  }
+  else {
+    free(s);
+    pp->sendthis = NULL;
+    pp->sendleft = pp->sendsize = 0;
+    pp->response = Curl_now();
+  }
+
+  return CURLE_OK;
+}
+
+
+/***********************************************************************
+ *
+ * Curl_pp_sendf()
+ *
+ * Send the formatted string as a command to a pingpong server. Note that
+ * the string should not have any CRLF appended, as this function will
+ * append the necessary things itself.
+ *
+ * made to never block
+ */
+CURLcode Curl_pp_sendf(struct pingpong *pp,
+                       const char *fmt, ...)
+{
+  CURLcode result;
+  va_list ap;
+  va_start(ap, fmt);
+
+  result = Curl_pp_vsendf(pp, fmt, ap);
+
+  va_end(ap);
+
+  return result;
+}
+
+/*
+ * Curl_pp_readresp()
+ *
+ * Reads a piece of a server response.
+ */
+CURLcode Curl_pp_readresp(curl_socket_t sockfd,
+                          struct pingpong *pp,
+                          int *code, /* return the server code if done */
+                          size_t *size) /* size of the response */
+{
+  ssize_t perline; /* count bytes per line */
+  bool keepon = TRUE;
+  ssize_t gotbytes;
+  char *ptr;
+  struct connectdata *conn = pp->conn;
+  struct Curl_easy *data = conn->data;
+  char * const buf = data->state.buffer;
+  CURLcode result = CURLE_OK;
+
+  *code = 0; /* 0 for errors or not done */
+  *size = 0;
+
+  ptr = buf + pp->nread_resp;
+
+  /* number of bytes in the current line, so far */
+  perline = (ssize_t)(ptr-pp->linestart_resp);
+
+  while((pp->nread_resp < (size_t)data->set.buffer_size) &&
+        (keepon && !result)) {
+
+    if(pp->cache) {
+      /* we had data in the "cache", copy that instead of doing an actual
+       * read
+       *
+       * pp->cache_size is cast to ssize_t here.  This should be safe, because
+       * it would have been populated with something of size int to begin
+       * with, even though its datatype may be larger than an int.
+       */
+      if((ptr + pp->cache_size) > (buf + data->set.buffer_size + 1)) {
+        failf(data, "cached response data too big to handle");
+        return CURLE_RECV_ERROR;
+      }
+      memcpy(ptr, pp->cache, pp->cache_size);
+      gotbytes = (ssize_t)pp->cache_size;
+      free(pp->cache);    /* free the cache */
+      pp->cache = NULL;   /* clear the pointer */
+      pp->cache_size = 0; /* zero the size just in case */
+    }
+    else {
+#ifdef HAVE_GSSAPI
+      enum protection_level prot = conn->data_prot;
+      conn->data_prot = PROT_CLEAR;
+#endif
+      DEBUGASSERT((ptr + data->set.buffer_size - pp->nread_resp) <=
+                  (buf + data->set.buffer_size + 1));
+      result = Curl_read(conn, sockfd, ptr,
+                         data->set.buffer_size - pp->nread_resp,
+                         &gotbytes);
+#ifdef HAVE_GSSAPI
+      DEBUGASSERT(prot  > PROT_NONE && prot < PROT_LAST);
+      conn->data_prot = prot;
+#endif
+      if(result == CURLE_AGAIN)
+        return CURLE_OK; /* return */
+
+      if(!result && (gotbytes > 0))
+        /* convert from the network encoding */
+        result = Curl_convert_from_network(data, ptr, gotbytes);
+      /* Curl_convert_from_network calls failf if unsuccessful */
+
+      if(result)
+        /* Set outer result variable to this error. */
+        keepon = FALSE;
+    }
+
+    if(!keepon)
+      ;
+    else if(gotbytes <= 0) {
+      keepon = FALSE;
+      result = CURLE_RECV_ERROR;
+      failf(data, "response reading failed");
+    }
+    else {
+      /* we got a whole chunk of data, which can be anything from one
+       * byte to a set of lines and possible just a piece of the last
+       * line */
+      ssize_t i;
+      ssize_t clipamount = 0;
+      bool restart = FALSE;
+
+      data->req.headerbytecount += (long)gotbytes;
+
+      pp->nread_resp += gotbytes;
+      for(i = 0; i < gotbytes; ptr++, i++) {
+        perline++;
+        if(*ptr == '\n') {
+          /* a newline is CRLF in pp-talk, so the CR is ignored as
+             the line isn't really terminated until the LF comes */
+
+          /* output debug output if that is requested */
+#ifdef HAVE_GSSAPI
+          if(!conn->sec_complete)
+#endif
+            if(data->set.verbose)
+              Curl_debug(data, CURLINFO_HEADER_IN,
+                         pp->linestart_resp, (size_t)perline);
+
+          /*
+           * We pass all response-lines to the callback function registered
+           * for "headers". The response lines can be seen as a kind of
+           * headers.
+           */
+          result = Curl_client_write(conn, CLIENTWRITE_HEADER,
+                                     pp->linestart_resp, perline);
+          if(result)
+            return result;
+
+          if(pp->endofresp(conn, pp->linestart_resp, perline, code)) {
+            /* This is the end of the last line, copy the last line to the
+               start of the buffer and zero terminate, for old times sake */
+            size_t n = ptr - pp->linestart_resp;
+            memmove(buf, pp->linestart_resp, n);
+            buf[n] = 0; /* zero terminate */
+            keepon = FALSE;
+            pp->linestart_resp = ptr + 1; /* advance pointer */
+            i++; /* skip this before getting out */
+
+            *size = pp->nread_resp; /* size of the response */
+            pp->nread_resp = 0; /* restart */
+            break;
+          }
+          perline = 0; /* line starts over here */
+          pp->linestart_resp = ptr + 1;
+        }
+      }
+
+      if(!keepon && (i != gotbytes)) {
+        /* We found the end of the response lines, but we didn't parse the
+           full chunk of data we have read from the server. We therefore need
+           to store the rest of the data to be checked on the next invoke as
+           it may actually contain another end of response already! */
+        clipamount = gotbytes - i;
+        restart = TRUE;
+        DEBUGF(infof(data, "Curl_pp_readresp_ %d bytes of trailing "
+                     "server response left\n",
+                     (int)clipamount));
+      }
+      else if(keepon) {
+
+        if((perline == gotbytes) && (gotbytes > data->set.buffer_size/2)) {
+          /* We got an excessive line without newlines and we need to deal
+             with it. We keep the first bytes of the line then we throw
+             away the rest. */
+          infof(data, "Excessive server response line length received, "
+                "%zd bytes. Stripping\n", gotbytes);
+          restart = TRUE;
+
+          /* we keep 40 bytes since all our pingpong protocols are only
+             interested in the first piece */
+          clipamount = 40;
+        }
+        else if(pp->nread_resp > (size_t)data->set.buffer_size/2) {
+          /* We got a large chunk of data and there's potentially still
+             trailing data to take care of, so we put any such part in the
+             "cache", clear the buffer to make space and restart. */
+          clipamount = perline;
+          restart = TRUE;
+        }
+      }
+      else if(i == gotbytes)
+        restart = TRUE;
+
+      if(clipamount) {
+        pp->cache_size = clipamount;
+        pp->cache = malloc(pp->cache_size);
+        if(pp->cache)
+          memcpy(pp->cache, pp->linestart_resp, pp->cache_size);
+        else
+          return CURLE_OUT_OF_MEMORY;
+      }
+      if(restart) {
+        /* now reset a few variables to start over nicely from the start of
+           the big buffer */
+        pp->nread_resp = 0; /* start over from scratch in the buffer */
+        ptr = pp->linestart_resp = buf;
+        perline = 0;
+      }
+
+    } /* there was data */
+
+  } /* while there's buffer left and loop is requested */
+
+  pp->pending_resp = FALSE;
+
+  return result;
+}
+
+int Curl_pp_getsock(struct pingpong *pp,
+                    curl_socket_t *socks,
+                    int numsocks)
+{
+  struct connectdata *conn = pp->conn;
+
+  if(!numsocks)
+    return GETSOCK_BLANK;
+
+  socks[0] = conn->sock[FIRSTSOCKET];
+
+  if(pp->sendleft) {
+    /* write mode */
+    return GETSOCK_WRITESOCK(0);
+  }
+
+  /* read mode */
+  return GETSOCK_READSOCK(0);
+}
+
+CURLcode Curl_pp_flushsend(struct pingpong *pp)
+{
+  /* we have a piece of a command still left to send */
+  struct connectdata *conn = pp->conn;
+  ssize_t written;
+  curl_socket_t sock = conn->sock[FIRSTSOCKET];
+  CURLcode result = Curl_write(conn, sock, pp->sendthis + pp->sendsize -
+                               pp->sendleft, pp->sendleft, &written);
+  if(result)
+    return result;
+
+  if(written != (ssize_t)pp->sendleft) {
+    /* only a fraction was sent */
+    pp->sendleft -= written;
+  }
+  else {
+    free(pp->sendthis);
+    pp->sendthis = NULL;
+    pp->sendleft = pp->sendsize = 0;
+    pp->response = Curl_now();
+  }
+  return CURLE_OK;
+}
+
+CURLcode Curl_pp_disconnect(struct pingpong *pp)
+{
+  free(pp->cache);
+  pp->cache = NULL;
+  return CURLE_OK;
+}
+
+bool Curl_pp_moredata(struct pingpong *pp)
+{
+  return (!pp->sendleft && pp->cache && pp->nread_resp < pp->cache_size) ?
+         TRUE : FALSE;
+}
+
+#endif
Index: trunk/src/libs/curl-7.64.0/lib/pingpong.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/pingpong.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/pingpong.h	(revision 85671)
@@ -0,0 +1,151 @@
+#ifndef HEADER_CURL_PINGPONG_H
+#define HEADER_CURL_PINGPONG_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if !defined(CURL_DISABLE_IMAP) || !defined(CURL_DISABLE_FTP) || \
+  !defined(CURL_DISABLE_POP3) || !defined(CURL_DISABLE_SMTP)
+#define USE_PINGPONG
+#endif
+
+/* forward-declaration, this is defined in urldata.h */
+struct connectdata;
+
+typedef enum {
+  FTPTRANSFER_BODY, /* yes do transfer a body */
+  FTPTRANSFER_INFO, /* do still go through to get info/headers */
+  FTPTRANSFER_NONE, /* don't get anything and don't get info */
+  FTPTRANSFER_LAST  /* end of list marker, never used */
+} curl_pp_transfer;
+
+/*
+ * 'pingpong' is the generic struct used for protocols doing server<->client
+ * conversations in a back-and-forth style such as FTP, IMAP, POP3, SMTP etc.
+ *
+ * It holds response cache and non-blocking sending data.
+ */
+struct pingpong {
+  char *cache;     /* data cache between getresponse()-calls */
+  size_t cache_size;  /* size of cache in bytes */
+  size_t nread_resp;  /* number of bytes currently read of a server response */
+  char *linestart_resp; /* line start pointer for the server response
+                           reader function */
+  bool pending_resp;  /* set TRUE when a server response is pending or in
+                         progress, and is cleared once the last response is
+                         read */
+  char *sendthis; /* allocated pointer to a buffer that is to be sent to the
+                     server */
+  size_t sendleft; /* number of bytes left to send from the sendthis buffer */
+  size_t sendsize; /* total size of the sendthis buffer */
+  struct curltime response; /* set to Curl_now() when a command has been sent
+                               off, used to time-out response reading */
+  long response_time; /* When no timeout is given, this is the amount of
+                         milliseconds we await for a server response. */
+
+  struct connectdata *conn; /* points to the connectdata struct that this
+                               belongs to */
+
+  /* Function pointers the protocols MUST implement and provide for the
+     pingpong layer to function */
+
+  CURLcode (*statemach_act)(struct connectdata *conn);
+
+  bool (*endofresp)(struct connectdata *conn, char *ptr, size_t len,
+                    int *code);
+};
+
+/*
+ * Curl_pp_statemach()
+ *
+ * called repeatedly until done. Set 'wait' to make it wait a while on the
+ * socket if there's no traffic.
+ */
+CURLcode Curl_pp_statemach(struct pingpong *pp, bool block,
+                           bool disconnecting);
+
+/* initialize stuff to prepare for reading a fresh new response */
+void Curl_pp_init(struct pingpong *pp);
+
+/* Returns timeout in ms. 0 or negative number means the timeout has already
+   triggered */
+time_t Curl_pp_state_timeout(struct pingpong *pp, bool disconnecting);
+
+
+/***********************************************************************
+ *
+ * Curl_pp_sendf()
+ *
+ * Send the formatted string as a command to a pingpong server. Note that
+ * the string should not have any CRLF appended, as this function will
+ * append the necessary things itself.
+ *
+ * made to never block
+ */
+CURLcode Curl_pp_sendf(struct pingpong *pp,
+                       const char *fmt, ...);
+
+/***********************************************************************
+ *
+ * Curl_pp_vsendf()
+ *
+ * Send the formatted string as a command to a pingpong server. Note that
+ * the string should not have any CRLF appended, as this function will
+ * append the necessary things itself.
+ *
+ * made to never block
+ */
+CURLcode Curl_pp_vsendf(struct pingpong *pp,
+                        const char *fmt,
+                        va_list args);
+
+/*
+ * Curl_pp_readresp()
+ *
+ * Reads a piece of a server response.
+ */
+CURLcode Curl_pp_readresp(curl_socket_t sockfd,
+                          struct pingpong *pp,
+                          int *code, /* return the server code if done */
+                          size_t *size); /* size of the response */
+
+
+CURLcode Curl_pp_flushsend(struct pingpong *pp);
+
+/* call this when a pingpong connection is disconnected */
+CURLcode Curl_pp_disconnect(struct pingpong *pp);
+
+int Curl_pp_getsock(struct pingpong *pp, curl_socket_t *socks,
+                    int numsocks);
+
+
+/***********************************************************************
+ *
+ * Curl_pp_moredata()
+ *
+ * Returns whether there are still more data in the cache and so a call
+ * to Curl_pp_readresp() will not block.
+ */
+bool Curl_pp_moredata(struct pingpong *pp);
+
+#endif /* HEADER_CURL_PINGPONG_H */
Index: trunk/src/libs/curl-7.64.0/lib/pipeline.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/pipeline.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/pipeline.c	(revision 85671)
@@ -0,0 +1,404 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2013, Linus Nielsen Feltzing, <linus@haxx.se>
+ * Copyright (C) 2013 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#include "urldata.h"
+#include "url.h"
+#include "progress.h"
+#include "multiif.h"
+#include "pipeline.h"
+#include "sendf.h"
+#include "strcase.h"
+
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+struct site_blacklist_entry {
+  struct curl_llist_element list;
+  unsigned short port;
+  char hostname[1];
+};
+
+static void site_blacklist_llist_dtor(void *user, void *element)
+{
+  struct site_blacklist_entry *entry = element;
+  (void)user;
+  free(entry);
+}
+
+static void server_blacklist_llist_dtor(void *user, void *element)
+{
+  (void)user;
+  free(element);
+}
+
+bool Curl_pipeline_penalized(struct Curl_easy *data,
+                             struct connectdata *conn)
+{
+  if(data) {
+    bool penalized = FALSE;
+    curl_off_t penalty_size =
+      Curl_multi_content_length_penalty_size(data->multi);
+    curl_off_t chunk_penalty_size =
+      Curl_multi_chunk_length_penalty_size(data->multi);
+    curl_off_t recv_size = -2; /* Make it easy to spot in the log */
+
+    /* Find the head of the recv pipe, if any */
+    if(conn->recv_pipe.head) {
+      struct Curl_easy *recv_handle = conn->recv_pipe.head->ptr;
+
+      recv_size = recv_handle->req.size;
+
+      if(penalty_size > 0 && recv_size > penalty_size)
+        penalized = TRUE;
+    }
+
+    if(chunk_penalty_size > 0 &&
+       (curl_off_t)conn->chunk.datasize > chunk_penalty_size)
+      penalized = TRUE;
+
+    infof(data, "Conn: %ld (%p) Receive pipe weight: (%"
+          CURL_FORMAT_CURL_OFF_T "/%" CURL_FORMAT_CURL_OFF_T
+          "), penalized: %s\n",
+          conn->connection_id, (void *)conn, recv_size,
+          conn->chunk.datasize, penalized?"TRUE":"FALSE");
+    return penalized;
+  }
+  return FALSE;
+}
+
+static CURLcode addHandleToPipeline(struct Curl_easy *data,
+                                    struct curl_llist *pipeline)
+{
+  Curl_llist_insert_next(pipeline, pipeline->tail, data,
+                         &data->pipeline_queue);
+  return CURLE_OK;
+}
+
+
+CURLcode Curl_add_handle_to_pipeline(struct Curl_easy *handle,
+                                     struct connectdata *conn)
+{
+  struct curl_llist_element *sendhead = conn->send_pipe.head;
+  struct curl_llist *pipeline;
+  CURLcode result;
+
+  pipeline = &conn->send_pipe;
+
+  result = addHandleToPipeline(handle, pipeline);
+  if((conn->bundle->multiuse == BUNDLE_PIPELINING) &&
+     (pipeline == &conn->send_pipe && sendhead != conn->send_pipe.head)) {
+    /* this is a new one as head, expire it */
+    Curl_pipeline_leave_write(conn); /* not in use yet */
+    Curl_expire(conn->send_pipe.head->ptr, 0, EXPIRE_RUN_NOW);
+  }
+
+#if 0 /* enable for pipeline debugging */
+  print_pipeline(conn);
+#endif
+
+  return result;
+}
+
+/* Move this transfer from the sending list to the receiving list.
+
+   Pay special attention to the new sending list "leader" as it needs to get
+   checked to update what sockets it acts on.
+
+*/
+void Curl_move_handle_from_send_to_recv_pipe(struct Curl_easy *handle,
+                                             struct connectdata *conn)
+{
+  struct curl_llist_element *curr;
+
+  curr = conn->send_pipe.head;
+  while(curr) {
+    if(curr->ptr == handle) {
+      Curl_llist_move(&conn->send_pipe, curr,
+                      &conn->recv_pipe, conn->recv_pipe.tail);
+
+      if(conn->send_pipe.head) {
+        /* Since there's a new easy handle at the start of the send pipeline,
+           set its timeout value to 1ms to make it trigger instantly */
+        Curl_pipeline_leave_write(conn); /* not used now */
+#ifdef DEBUGBUILD
+        infof(conn->data, "%p is at send pipe head B!\n",
+              (void *)conn->send_pipe.head->ptr);
+#endif
+        Curl_expire(conn->send_pipe.head->ptr, 0, EXPIRE_RUN_NOW);
+      }
+
+      /* The receiver's list is not really interesting here since either this
+         handle is now first in the list and we'll deal with it soon, or
+         another handle is already first and thus is already taken care of */
+
+      break; /* we're done! */
+    }
+    curr = curr->next;
+  }
+}
+
+bool Curl_pipeline_site_blacklisted(struct Curl_easy *handle,
+                                    struct connectdata *conn)
+{
+  if(handle->multi) {
+    struct curl_llist *blacklist =
+      Curl_multi_pipelining_site_bl(handle->multi);
+
+    if(blacklist) {
+      struct curl_llist_element *curr;
+
+      curr = blacklist->head;
+      while(curr) {
+        struct site_blacklist_entry *site;
+
+        site = curr->ptr;
+        if(strcasecompare(site->hostname, conn->host.name) &&
+           site->port == conn->remote_port) {
+          infof(handle, "Site %s:%d is pipeline blacklisted\n",
+                conn->host.name, conn->remote_port);
+          return TRUE;
+        }
+        curr = curr->next;
+      }
+    }
+  }
+  return FALSE;
+}
+
+CURLMcode Curl_pipeline_set_site_blacklist(char **sites,
+                                           struct curl_llist *list)
+{
+  /* Free the old list */
+  if(list->size)
+    Curl_llist_destroy(list, NULL);
+
+  if(sites) {
+    Curl_llist_init(list, (curl_llist_dtor) site_blacklist_llist_dtor);
+
+    /* Parse the URLs and populate the list */
+    while(*sites) {
+      char *port;
+      struct site_blacklist_entry *entry;
+
+      entry = malloc(sizeof(struct site_blacklist_entry) + strlen(*sites));
+      if(!entry) {
+        Curl_llist_destroy(list, NULL);
+        return CURLM_OUT_OF_MEMORY;
+      }
+      strcpy(entry->hostname, *sites);
+
+      port = strchr(entry->hostname, ':');
+      if(port) {
+        *port = '\0';
+        port++;
+        entry->port = (unsigned short)strtol(port, NULL, 10);
+      }
+      else {
+        /* Default port number for HTTP */
+        entry->port = 80;
+      }
+
+      Curl_llist_insert_next(list, list->tail, entry, &entry->list);
+      sites++;
+    }
+  }
+
+  return CURLM_OK;
+}
+
+struct blacklist_node {
+  struct curl_llist_element list;
+  char server_name[1];
+};
+
+bool Curl_pipeline_server_blacklisted(struct Curl_easy *handle,
+                                      char *server_name)
+{
+  if(handle->multi && server_name) {
+    struct curl_llist *list =
+      Curl_multi_pipelining_server_bl(handle->multi);
+
+    struct curl_llist_element *e = list->head;
+    while(e) {
+      struct blacklist_node *bl = (struct blacklist_node *)e;
+      if(strncasecompare(bl->server_name, server_name,
+                         strlen(bl->server_name))) {
+        infof(handle, "Server %s is blacklisted\n", server_name);
+        return TRUE;
+      }
+      e = e->next;
+    }
+
+    DEBUGF(infof(handle, "Server %s is not blacklisted\n", server_name));
+  }
+  return FALSE;
+}
+
+CURLMcode Curl_pipeline_set_server_blacklist(char **servers,
+                                             struct curl_llist *list)
+{
+  /* Free the old list */
+  if(list->size)
+    Curl_llist_destroy(list, NULL);
+
+  if(servers) {
+    Curl_llist_init(list, (curl_llist_dtor) server_blacklist_llist_dtor);
+
+    /* Parse the URLs and populate the list */
+    while(*servers) {
+      struct blacklist_node *n;
+      size_t len = strlen(*servers);
+
+      n = malloc(sizeof(struct blacklist_node) + len);
+      if(!n) {
+        Curl_llist_destroy(list, NULL);
+        return CURLM_OUT_OF_MEMORY;
+      }
+      strcpy(n->server_name, *servers);
+
+      Curl_llist_insert_next(list, list->tail, n, &n->list);
+      servers++;
+    }
+  }
+
+
+  return CURLM_OK;
+}
+
+static bool pipe_head(struct Curl_easy *data,
+                      struct curl_llist *pipeline)
+{
+  if(pipeline) {
+    struct curl_llist_element *curr = pipeline->head;
+    if(curr)
+      return (curr->ptr == data) ? TRUE : FALSE;
+  }
+  return FALSE;
+}
+
+/* returns TRUE if the given handle is head of the recv pipe */
+bool Curl_recvpipe_head(struct Curl_easy *data,
+                        struct connectdata *conn)
+{
+  return pipe_head(data, &conn->recv_pipe);
+}
+
+/* returns TRUE if the given handle is head of the send pipe */
+bool Curl_sendpipe_head(struct Curl_easy *data,
+                        struct connectdata *conn)
+{
+  return pipe_head(data, &conn->send_pipe);
+}
+
+
+/*
+ * Check if the write channel is available and this handle as at the head,
+ * then grab the channel and return TRUE.
+ *
+ * If not available, return FALSE.
+ */
+
+bool Curl_pipeline_checkget_write(struct Curl_easy *data,
+                                  struct connectdata *conn)
+{
+  if(conn->bits.multiplex)
+    /* when multiplexing, we can use it at once */
+    return TRUE;
+
+  if(!conn->writechannel_inuse && Curl_sendpipe_head(data, conn)) {
+    /* Grab the channel */
+    conn->writechannel_inuse = TRUE;
+    return TRUE;
+  }
+  return FALSE;
+}
+
+
+/*
+ * Check if the read channel is available and this handle as at the head, then
+ * grab the channel and return TRUE.
+ *
+ * If not available, return FALSE.
+ */
+
+bool Curl_pipeline_checkget_read(struct Curl_easy *data,
+                                 struct connectdata *conn)
+{
+  if(conn->bits.multiplex)
+    /* when multiplexing, we can use it at once */
+    return TRUE;
+
+  if(!conn->readchannel_inuse && Curl_recvpipe_head(data, conn)) {
+    /* Grab the channel */
+    conn->readchannel_inuse = TRUE;
+    return TRUE;
+  }
+  return FALSE;
+}
+
+/*
+ * The current user of the pipeline write channel gives it up.
+ */
+void Curl_pipeline_leave_write(struct connectdata *conn)
+{
+  conn->writechannel_inuse = FALSE;
+}
+
+/*
+ * The current user of the pipeline read channel gives it up.
+ */
+void Curl_pipeline_leave_read(struct connectdata *conn)
+{
+  conn->readchannel_inuse = FALSE;
+}
+
+
+#if 0
+void print_pipeline(struct connectdata *conn)
+{
+  struct curl_llist_element *curr;
+  struct connectbundle *cb_ptr;
+  struct Curl_easy *data = conn->data;
+
+  cb_ptr = conn->bundle;
+
+  if(cb_ptr) {
+    curr = cb_ptr->conn_list->head;
+    while(curr) {
+      conn = curr->ptr;
+      infof(data, "- Conn %ld (%p) send_pipe: %zu, recv_pipe: %zu\n",
+            conn->connection_id,
+            (void *)conn,
+            conn->send_pipe->size,
+            conn->recv_pipe->size);
+      curr = curr->next;
+    }
+  }
+}
+
+#endif
Index: trunk/src/libs/curl-7.64.0/lib/pipeline.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/pipeline.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/pipeline.h	(revision 85671)
@@ -0,0 +1,56 @@
+#ifndef HEADER_CURL_PIPELINE_H
+#define HEADER_CURL_PIPELINE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2015 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2013 - 2014, Linus Nielsen Feltzing, <linus@haxx.se>
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+CURLcode Curl_add_handle_to_pipeline(struct Curl_easy *handle,
+                                     struct connectdata *conn);
+void Curl_move_handle_from_send_to_recv_pipe(struct Curl_easy *handle,
+                                             struct connectdata *conn);
+bool Curl_pipeline_penalized(struct Curl_easy *data,
+                             struct connectdata *conn);
+
+bool Curl_pipeline_site_blacklisted(struct Curl_easy *handle,
+                                    struct connectdata *conn);
+
+CURLMcode Curl_pipeline_set_site_blacklist(char **sites,
+                                           struct curl_llist *list_ptr);
+
+bool Curl_pipeline_server_blacklisted(struct Curl_easy *handle,
+                                      char *server_name);
+
+CURLMcode Curl_pipeline_set_server_blacklist(char **servers,
+                                             struct curl_llist *list_ptr);
+
+bool Curl_pipeline_checkget_write(struct Curl_easy *data,
+                                  struct connectdata *conn);
+bool Curl_pipeline_checkget_read(struct Curl_easy *data,
+                                 struct connectdata *conn);
+void Curl_pipeline_leave_write(struct connectdata *conn);
+void Curl_pipeline_leave_read(struct connectdata *conn);
+bool Curl_recvpipe_head(struct Curl_easy *data,
+                        struct connectdata *conn);
+bool Curl_sendpipe_head(struct Curl_easy *data,
+                        struct connectdata *conn);
+
+#endif /* HEADER_CURL_PIPELINE_H */
Index: trunk/src/libs/curl-7.64.0/lib/pop3.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/pop3.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/pop3.c	(revision 85671)
@@ -0,0 +1,1550 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * RFC1734 POP3 Authentication
+ * RFC1939 POP3 protocol
+ * RFC2195 CRAM-MD5 authentication
+ * RFC2384 POP URL Scheme
+ * RFC2449 POP3 Extension Mechanism
+ * RFC2595 Using TLS with IMAP, POP3 and ACAP
+ * RFC2831 DIGEST-MD5 authentication
+ * RFC4422 Simple Authentication and Security Layer (SASL)
+ * RFC4616 PLAIN authentication
+ * RFC4752 The Kerberos V5 ("GSSAPI") SASL Mechanism
+ * RFC5034 POP3 SASL Authentication Mechanism
+ * RFC6749 OAuth 2.0 Authorization Framework
+ * Draft   LOGIN SASL Mechanism <draft-murchison-sasl-login-00.txt>
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_POP3
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_UTSNAME_H
+#include <sys/utsname.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#if (defined(NETWARE) && defined(__NOVELL_LIBC__))
+#undef in_addr_t
+#define in_addr_t unsigned long
+#endif
+
+#include <curl/curl.h>
+#include "urldata.h"
+#include "sendf.h"
+#include "hostip.h"
+#include "progress.h"
+#include "transfer.h"
+#include "escape.h"
+#include "http.h" /* for HTTP proxy tunnel stuff */
+#include "socks.h"
+#include "pop3.h"
+#include "strtoofft.h"
+#include "strcase.h"
+#include "vtls/vtls.h"
+#include "connect.h"
+#include "strerror.h"
+#include "select.h"
+#include "multiif.h"
+#include "url.h"
+#include "curl_sasl.h"
+#include "curl_md5.h"
+#include "warnless.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* Local API functions */
+static CURLcode pop3_regular_transfer(struct connectdata *conn, bool *done);
+static CURLcode pop3_do(struct connectdata *conn, bool *done);
+static CURLcode pop3_done(struct connectdata *conn, CURLcode status,
+                          bool premature);
+static CURLcode pop3_connect(struct connectdata *conn, bool *done);
+static CURLcode pop3_disconnect(struct connectdata *conn, bool dead);
+static CURLcode pop3_multi_statemach(struct connectdata *conn, bool *done);
+static int pop3_getsock(struct connectdata *conn, curl_socket_t *socks,
+                        int numsocks);
+static CURLcode pop3_doing(struct connectdata *conn, bool *dophase_done);
+static CURLcode pop3_setup_connection(struct connectdata *conn);
+static CURLcode pop3_parse_url_options(struct connectdata *conn);
+static CURLcode pop3_parse_url_path(struct connectdata *conn);
+static CURLcode pop3_parse_custom_request(struct connectdata *conn);
+static CURLcode pop3_perform_auth(struct connectdata *conn, const char *mech,
+                                  const char *initresp);
+static CURLcode pop3_continue_auth(struct connectdata *conn, const char *resp);
+static void pop3_get_message(char *buffer, char **outptr);
+
+/*
+ * POP3 protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_pop3 = {
+  "POP3",                           /* scheme */
+  pop3_setup_connection,            /* setup_connection */
+  pop3_do,                          /* do_it */
+  pop3_done,                        /* done */
+  ZERO_NULL,                        /* do_more */
+  pop3_connect,                     /* connect_it */
+  pop3_multi_statemach,             /* connecting */
+  pop3_doing,                       /* doing */
+  pop3_getsock,                     /* proto_getsock */
+  pop3_getsock,                     /* doing_getsock */
+  ZERO_NULL,                        /* domore_getsock */
+  ZERO_NULL,                        /* perform_getsock */
+  pop3_disconnect,                  /* disconnect */
+  ZERO_NULL,                        /* readwrite */
+  ZERO_NULL,                        /* connection_check */
+  PORT_POP3,                        /* defport */
+  CURLPROTO_POP3,                   /* protocol */
+  PROTOPT_CLOSEACTION | PROTOPT_NOURLQUERY | /* flags */
+  PROTOPT_URLOPTIONS
+};
+
+#ifdef USE_SSL
+/*
+ * POP3S protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_pop3s = {
+  "POP3S",                          /* scheme */
+  pop3_setup_connection,            /* setup_connection */
+  pop3_do,                          /* do_it */
+  pop3_done,                        /* done */
+  ZERO_NULL,                        /* do_more */
+  pop3_connect,                     /* connect_it */
+  pop3_multi_statemach,             /* connecting */
+  pop3_doing,                       /* doing */
+  pop3_getsock,                     /* proto_getsock */
+  pop3_getsock,                     /* doing_getsock */
+  ZERO_NULL,                        /* domore_getsock */
+  ZERO_NULL,                        /* perform_getsock */
+  pop3_disconnect,                  /* disconnect */
+  ZERO_NULL,                        /* readwrite */
+  ZERO_NULL,                        /* connection_check */
+  PORT_POP3S,                       /* defport */
+  CURLPROTO_POP3S,                  /* protocol */
+  PROTOPT_CLOSEACTION | PROTOPT_SSL
+  | PROTOPT_NOURLQUERY | PROTOPT_URLOPTIONS /* flags */
+};
+#endif
+
+/* SASL parameters for the pop3 protocol */
+static const struct SASLproto saslpop3 = {
+  "pop",                      /* The service name */
+  '*',                        /* Code received when continuation is expected */
+  '+',                        /* Code to receive upon authentication success */
+  255 - 8,                    /* Maximum initial response length (no max) */
+  pop3_perform_auth,          /* Send authentication command */
+  pop3_continue_auth,         /* Send authentication continuation */
+  pop3_get_message            /* Get SASL response message */
+};
+
+#ifdef USE_SSL
+static void pop3_to_pop3s(struct connectdata *conn)
+{
+  /* Change the connection handler */
+  conn->handler = &Curl_handler_pop3s;
+
+  /* Set the connection's upgraded to TLS flag */
+  conn->tls_upgraded = TRUE;
+}
+#else
+#define pop3_to_pop3s(x) Curl_nop_stmt
+#endif
+
+/***********************************************************************
+ *
+ * pop3_endofresp()
+ *
+ * Checks for an ending POP3 status code at the start of the given string, but
+ * also detects the APOP timestamp from the server greeting and various
+ * capabilities from the CAPA response including the supported authentication
+ * types and allowed SASL mechanisms.
+ */
+static bool pop3_endofresp(struct connectdata *conn, char *line, size_t len,
+                           int *resp)
+{
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+
+  /* Do we have an error response? */
+  if(len >= 4 && !memcmp("-ERR", line, 4)) {
+    *resp = '-';
+
+    return TRUE;
+  }
+
+  /* Are we processing CAPA command responses? */
+  if(pop3c->state == POP3_CAPA) {
+    /* Do we have the terminating line? */
+    if(len >= 1 && line[0] == '.')
+      /* Treat the response as a success */
+      *resp = '+';
+    else
+      /* Treat the response as an untagged continuation */
+      *resp = '*';
+
+    return TRUE;
+  }
+
+  /* Do we have a success response? */
+  if(len >= 3 && !memcmp("+OK", line, 3)) {
+    *resp = '+';
+
+    return TRUE;
+  }
+
+  /* Do we have a continuation response? */
+  if(len >= 1 && line[0] == '+') {
+    *resp = '*';
+
+    return TRUE;
+  }
+
+  return FALSE; /* Nothing for us */
+}
+
+/***********************************************************************
+ *
+ * pop3_get_message()
+ *
+ * Gets the authentication message from the response buffer.
+ */
+static void pop3_get_message(char *buffer, char **outptr)
+{
+  size_t len = strlen(buffer);
+  char *message = NULL;
+
+  if(len > 2) {
+    /* Find the start of the message */
+    len -= 2;
+    for(message = buffer + 2; *message == ' ' || *message == '\t';
+        message++, len--)
+      ;
+
+    /* Find the end of the message */
+    for(; len--;)
+      if(message[len] != '\r' && message[len] != '\n' && message[len] != ' ' &&
+         message[len] != '\t')
+        break;
+
+    /* Terminate the message */
+    if(++len) {
+      message[len] = '\0';
+    }
+  }
+  else
+    /* junk input => zero length output */
+    message = &buffer[len];
+
+  *outptr = message;
+}
+
+/***********************************************************************
+ *
+ * state()
+ *
+ * This is the ONLY way to change POP3 state!
+ */
+static void state(struct connectdata *conn, pop3state newstate)
+{
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
+  /* for debug purposes */
+  static const char * const names[] = {
+    "STOP",
+    "SERVERGREET",
+    "CAPA",
+    "STARTTLS",
+    "UPGRADETLS",
+    "AUTH",
+    "APOP",
+    "USER",
+    "PASS",
+    "COMMAND",
+    "QUIT",
+    /* LAST */
+  };
+
+  if(pop3c->state != newstate)
+    infof(conn->data, "POP3 %p state change from %s to %s\n",
+          (void *)pop3c, names[pop3c->state], names[newstate]);
+#endif
+
+  pop3c->state = newstate;
+}
+
+/***********************************************************************
+ *
+ * pop3_perform_capa()
+ *
+ * Sends the CAPA command in order to obtain a list of server side supported
+ * capabilities.
+ */
+static CURLcode pop3_perform_capa(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+
+  pop3c->sasl.authmechs = SASL_AUTH_NONE; /* No known auth. mechanisms yet */
+  pop3c->sasl.authused = SASL_AUTH_NONE;  /* Clear the auth. mechanism used */
+  pop3c->tls_supported = FALSE;           /* Clear the TLS capability */
+
+  /* Send the CAPA command */
+  result = Curl_pp_sendf(&pop3c->pp, "%s", "CAPA");
+
+  if(!result)
+    state(conn, POP3_CAPA);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * pop3_perform_starttls()
+ *
+ * Sends the STLS command to start the upgrade to TLS.
+ */
+static CURLcode pop3_perform_starttls(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+
+  /* Send the STLS command */
+  result = Curl_pp_sendf(&conn->proto.pop3c.pp, "%s", "STLS");
+
+  if(!result)
+    state(conn, POP3_STARTTLS);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * pop3_perform_upgrade_tls()
+ *
+ * Performs the upgrade to TLS.
+ */
+static CURLcode pop3_perform_upgrade_tls(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+
+  /* Start the SSL connection */
+  result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, &pop3c->ssldone);
+
+  if(!result) {
+    if(pop3c->state != POP3_UPGRADETLS)
+      state(conn, POP3_UPGRADETLS);
+
+    if(pop3c->ssldone) {
+      pop3_to_pop3s(conn);
+      result = pop3_perform_capa(conn);
+    }
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * pop3_perform_user()
+ *
+ * Sends a clear text USER command to authenticate with.
+ */
+static CURLcode pop3_perform_user(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+
+  /* Check we have a username and password to authenticate with and end the
+     connect phase if we don't */
+  if(!conn->bits.user_passwd) {
+    state(conn, POP3_STOP);
+
+    return result;
+  }
+
+  /* Send the USER command */
+  result = Curl_pp_sendf(&conn->proto.pop3c.pp, "USER %s",
+                         conn->user ? conn->user : "");
+  if(!result)
+    state(conn, POP3_USER);
+
+  return result;
+}
+
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+/***********************************************************************
+ *
+ * pop3_perform_apop()
+ *
+ * Sends an APOP command to authenticate with.
+ */
+static CURLcode pop3_perform_apop(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+  size_t i;
+  MD5_context *ctxt;
+  unsigned char digest[MD5_DIGEST_LEN];
+  char secret[2 * MD5_DIGEST_LEN + 1];
+
+  /* Check we have a username and password to authenticate with and end the
+     connect phase if we don't */
+  if(!conn->bits.user_passwd) {
+    state(conn, POP3_STOP);
+
+    return result;
+  }
+
+  /* Create the digest */
+  ctxt = Curl_MD5_init(Curl_DIGEST_MD5);
+  if(!ctxt)
+    return CURLE_OUT_OF_MEMORY;
+
+  Curl_MD5_update(ctxt, (const unsigned char *) pop3c->apoptimestamp,
+                  curlx_uztoui(strlen(pop3c->apoptimestamp)));
+
+  Curl_MD5_update(ctxt, (const unsigned char *) conn->passwd,
+                  curlx_uztoui(strlen(conn->passwd)));
+
+  /* Finalise the digest */
+  Curl_MD5_final(ctxt, digest);
+
+  /* Convert the calculated 16 octet digest into a 32 byte hex string */
+  for(i = 0; i < MD5_DIGEST_LEN; i++)
+    msnprintf(&secret[2 * i], 3, "%02x", digest[i]);
+
+  result = Curl_pp_sendf(&pop3c->pp, "APOP %s %s", conn->user, secret);
+
+  if(!result)
+    state(conn, POP3_APOP);
+
+  return result;
+}
+#endif
+
+/***********************************************************************
+ *
+ * pop3_perform_auth()
+ *
+ * Sends an AUTH command allowing the client to login with the given SASL
+ * authentication mechanism.
+ */
+static CURLcode pop3_perform_auth(struct connectdata *conn,
+                                  const char *mech,
+                                  const char *initresp)
+{
+  CURLcode result = CURLE_OK;
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+
+  if(initresp) {                                  /* AUTH <mech> ...<crlf> */
+    /* Send the AUTH command with the initial response */
+    result = Curl_pp_sendf(&pop3c->pp, "AUTH %s %s", mech, initresp);
+  }
+  else {
+    /* Send the AUTH command */
+    result = Curl_pp_sendf(&pop3c->pp, "AUTH %s", mech);
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * pop3_continue_auth()
+ *
+ * Sends SASL continuation data or cancellation.
+ */
+static CURLcode pop3_continue_auth(struct connectdata *conn,
+                                   const char *resp)
+{
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+
+  return Curl_pp_sendf(&pop3c->pp, "%s", resp);
+}
+
+/***********************************************************************
+ *
+ * pop3_perform_authentication()
+ *
+ * Initiates the authentication sequence, with the appropriate SASL
+ * authentication mechanism, falling back to APOP and clear text should a
+ * common mechanism not be available between the client and server.
+ */
+static CURLcode pop3_perform_authentication(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+  saslprogress progress = SASL_IDLE;
+
+  /* Check we have enough data to authenticate with and end the
+     connect phase if we don't */
+  if(!Curl_sasl_can_authenticate(&pop3c->sasl, conn)) {
+    state(conn, POP3_STOP);
+    return result;
+  }
+
+  if(pop3c->authtypes & pop3c->preftype & POP3_TYPE_SASL) {
+    /* Calculate the SASL login details */
+    result = Curl_sasl_start(&pop3c->sasl, conn, FALSE, &progress);
+
+    if(!result)
+      if(progress == SASL_INPROGRESS)
+        state(conn, POP3_AUTH);
+  }
+
+  if(!result && progress == SASL_IDLE) {
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+    if(pop3c->authtypes & pop3c->preftype & POP3_TYPE_APOP)
+      /* Perform APOP authentication */
+      result = pop3_perform_apop(conn);
+    else
+#endif
+    if(pop3c->authtypes & pop3c->preftype & POP3_TYPE_CLEARTEXT)
+      /* Perform clear text authentication */
+      result = pop3_perform_user(conn);
+    else {
+      /* Other mechanisms not supported */
+      infof(conn->data, "No known authentication mechanisms supported!\n");
+      result = CURLE_LOGIN_DENIED;
+    }
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * pop3_perform_command()
+ *
+ * Sends a POP3 based command.
+ */
+static CURLcode pop3_perform_command(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct POP3 *pop3 = data->req.protop;
+  const char *command = NULL;
+
+  /* Calculate the default command */
+  if(pop3->id[0] == '\0' || conn->data->set.ftp_list_only) {
+    command = "LIST";
+
+    if(pop3->id[0] != '\0')
+      /* Message specific LIST so skip the BODY transfer */
+      pop3->transfer = FTPTRANSFER_INFO;
+  }
+  else
+    command = "RETR";
+
+  /* Send the command */
+  if(pop3->id[0] != '\0')
+    result = Curl_pp_sendf(&conn->proto.pop3c.pp, "%s %s",
+                           (pop3->custom && pop3->custom[0] != '\0' ?
+                            pop3->custom : command), pop3->id);
+  else
+    result = Curl_pp_sendf(&conn->proto.pop3c.pp, "%s",
+                           (pop3->custom && pop3->custom[0] != '\0' ?
+                            pop3->custom : command));
+
+  if(!result)
+    state(conn, POP3_COMMAND);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * pop3_perform_quit()
+ *
+ * Performs the quit action prior to sclose() be called.
+ */
+static CURLcode pop3_perform_quit(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+
+  /* Send the QUIT command */
+  result = Curl_pp_sendf(&conn->proto.pop3c.pp, "%s", "QUIT");
+
+  if(!result)
+    state(conn, POP3_QUIT);
+
+  return result;
+}
+
+/* For the initial server greeting */
+static CURLcode pop3_state_servergreet_resp(struct connectdata *conn,
+                                            int pop3code,
+                                            pop3state instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+  const char *line = data->state.buffer;
+  size_t len = strlen(line);
+
+  (void)instate; /* no use for this yet */
+
+  if(pop3code != '+') {
+    failf(data, "Got unexpected pop3-server response");
+    result = CURLE_WEIRD_SERVER_REPLY;
+  }
+  else {
+    /* Does the server support APOP authentication? */
+    if(len >= 4 && line[len - 2] == '>') {
+      /* Look for the APOP timestamp */
+      size_t i;
+      for(i = 3; i < len - 2; ++i) {
+        if(line[i] == '<') {
+          /* Calculate the length of the timestamp */
+          size_t timestamplen = len - 1 - i;
+          char *at;
+          if(!timestamplen)
+            break;
+
+          /* Allocate some memory for the timestamp */
+          pop3c->apoptimestamp = (char *)calloc(1, timestamplen + 1);
+
+          if(!pop3c->apoptimestamp)
+            break;
+
+          /* Copy the timestamp */
+          memcpy(pop3c->apoptimestamp, line + i, timestamplen);
+          pop3c->apoptimestamp[timestamplen] = '\0';
+
+          /* If the timestamp does not contain '@' it is not (as required by
+             RFC-1939) conformant to the RFC-822 message id syntax, and we
+             therefore do not use APOP authentication. */
+          at = strchr(pop3c->apoptimestamp, '@');
+          if(!at)
+            Curl_safefree(pop3c->apoptimestamp);
+          else
+            /* Store the APOP capability */
+            pop3c->authtypes |= POP3_TYPE_APOP;
+          break;
+        }
+      }
+    }
+
+    result = pop3_perform_capa(conn);
+  }
+
+  return result;
+}
+
+/* For CAPA responses */
+static CURLcode pop3_state_capa_resp(struct connectdata *conn, int pop3code,
+                                     pop3state instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+  const char *line = data->state.buffer;
+  size_t len = strlen(line);
+
+  (void)instate; /* no use for this yet */
+
+  /* Do we have a untagged continuation response? */
+  if(pop3code == '*') {
+    /* Does the server support the STLS capability? */
+    if(len >= 4 && !memcmp(line, "STLS", 4))
+      pop3c->tls_supported = TRUE;
+
+    /* Does the server support clear text authentication? */
+    else if(len >= 4 && !memcmp(line, "USER", 4))
+      pop3c->authtypes |= POP3_TYPE_CLEARTEXT;
+
+    /* Does the server support SASL based authentication? */
+    else if(len >= 5 && !memcmp(line, "SASL ", 5)) {
+      pop3c->authtypes |= POP3_TYPE_SASL;
+
+      /* Advance past the SASL keyword */
+      line += 5;
+      len -= 5;
+
+      /* Loop through the data line */
+      for(;;) {
+        size_t llen;
+        size_t wordlen;
+        unsigned int mechbit;
+
+        while(len &&
+              (*line == ' ' || *line == '\t' ||
+               *line == '\r' || *line == '\n')) {
+
+          line++;
+          len--;
+        }
+
+        if(!len)
+          break;
+
+        /* Extract the word */
+        for(wordlen = 0; wordlen < len && line[wordlen] != ' ' &&
+              line[wordlen] != '\t' && line[wordlen] != '\r' &&
+              line[wordlen] != '\n';)
+          wordlen++;
+
+        /* Test the word for a matching authentication mechanism */
+        mechbit = Curl_sasl_decode_mech(line, wordlen, &llen);
+        if(mechbit && llen == wordlen)
+          pop3c->sasl.authmechs |= mechbit;
+
+        line += wordlen;
+        len -= wordlen;
+      }
+    }
+  }
+  else if(pop3code == '+') {
+    if(data->set.use_ssl && !conn->ssl[FIRSTSOCKET].use) {
+      /* We don't have a SSL/TLS connection yet, but SSL is requested */
+      if(pop3c->tls_supported)
+        /* Switch to TLS connection now */
+        result = pop3_perform_starttls(conn);
+      else if(data->set.use_ssl == CURLUSESSL_TRY)
+        /* Fallback and carry on with authentication */
+        result = pop3_perform_authentication(conn);
+      else {
+        failf(data, "STLS not supported.");
+        result = CURLE_USE_SSL_FAILED;
+      }
+    }
+    else
+      result = pop3_perform_authentication(conn);
+  }
+  else {
+    /* Clear text is supported when CAPA isn't recognised */
+    pop3c->authtypes |= POP3_TYPE_CLEARTEXT;
+
+    result = pop3_perform_authentication(conn);
+  }
+
+  return result;
+}
+
+/* For STARTTLS responses */
+static CURLcode pop3_state_starttls_resp(struct connectdata *conn,
+                                         int pop3code,
+                                         pop3state instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  (void)instate; /* no use for this yet */
+
+  if(pop3code != '+') {
+    if(data->set.use_ssl != CURLUSESSL_TRY) {
+      failf(data, "STARTTLS denied");
+      result = CURLE_USE_SSL_FAILED;
+    }
+    else
+      result = pop3_perform_authentication(conn);
+  }
+  else
+    result = pop3_perform_upgrade_tls(conn);
+
+  return result;
+}
+
+/* For SASL authentication responses */
+static CURLcode pop3_state_auth_resp(struct connectdata *conn,
+                                     int pop3code,
+                                     pop3state instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+  saslprogress progress;
+
+  (void)instate; /* no use for this yet */
+
+  result = Curl_sasl_continue(&pop3c->sasl, conn, pop3code, &progress);
+  if(!result)
+    switch(progress) {
+    case SASL_DONE:
+      state(conn, POP3_STOP);  /* Authenticated */
+      break;
+    case SASL_IDLE:            /* No mechanism left after cancellation */
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+      if(pop3c->authtypes & pop3c->preftype & POP3_TYPE_APOP)
+        /* Perform APOP authentication */
+        result = pop3_perform_apop(conn);
+      else
+#endif
+      if(pop3c->authtypes & pop3c->preftype & POP3_TYPE_CLEARTEXT)
+        /* Perform clear text authentication */
+        result = pop3_perform_user(conn);
+      else {
+        failf(data, "Authentication cancelled");
+        result = CURLE_LOGIN_DENIED;
+      }
+      break;
+    default:
+      break;
+    }
+
+  return result;
+}
+
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+/* For APOP responses */
+static CURLcode pop3_state_apop_resp(struct connectdata *conn, int pop3code,
+                                     pop3state instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  (void)instate; /* no use for this yet */
+
+  if(pop3code != '+') {
+    failf(data, "Authentication failed: %d", pop3code);
+    result = CURLE_LOGIN_DENIED;
+  }
+  else
+    /* End of connect phase */
+    state(conn, POP3_STOP);
+
+  return result;
+}
+#endif
+
+/* For USER responses */
+static CURLcode pop3_state_user_resp(struct connectdata *conn, int pop3code,
+                                     pop3state instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  (void)instate; /* no use for this yet */
+
+  if(pop3code != '+') {
+    failf(data, "Access denied. %c", pop3code);
+    result = CURLE_LOGIN_DENIED;
+  }
+  else
+    /* Send the PASS command */
+    result = Curl_pp_sendf(&conn->proto.pop3c.pp, "PASS %s",
+                           conn->passwd ? conn->passwd : "");
+  if(!result)
+    state(conn, POP3_PASS);
+
+  return result;
+}
+
+/* For PASS responses */
+static CURLcode pop3_state_pass_resp(struct connectdata *conn, int pop3code,
+                                     pop3state instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  (void)instate; /* no use for this yet */
+
+  if(pop3code != '+') {
+    failf(data, "Access denied. %c", pop3code);
+    result = CURLE_LOGIN_DENIED;
+  }
+  else
+    /* End of connect phase */
+    state(conn, POP3_STOP);
+
+  return result;
+}
+
+/* For command responses */
+static CURLcode pop3_state_command_resp(struct connectdata *conn,
+                                        int pop3code,
+                                        pop3state instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct POP3 *pop3 = data->req.protop;
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+  struct pingpong *pp = &pop3c->pp;
+
+  (void)instate; /* no use for this yet */
+
+  if(pop3code != '+') {
+    state(conn, POP3_STOP);
+    return CURLE_RECV_ERROR;
+  }
+
+  /* This 'OK' line ends with a CR LF pair which is the two first bytes of the
+     EOB string so count this is two matching bytes. This is necessary to make
+     the code detect the EOB if the only data than comes now is %2e CR LF like
+     when there is no body to return. */
+  pop3c->eob = 2;
+
+  /* But since this initial CR LF pair is not part of the actual body, we set
+     the strip counter here so that these bytes won't be delivered. */
+  pop3c->strip = 2;
+
+  if(pop3->transfer == FTPTRANSFER_BODY) {
+    /* POP3 download */
+    Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE, NULL, -1, NULL);
+
+    if(pp->cache) {
+      /* The header "cache" contains a bunch of data that is actually body
+         content so send it as such. Note that there may even be additional
+         "headers" after the body */
+
+      if(!data->set.opt_no_body) {
+        result = Curl_pop3_write(conn, pp->cache, pp->cache_size);
+        if(result)
+          return result;
+      }
+
+      /* Free the cache */
+      Curl_safefree(pp->cache);
+
+      /* Reset the cache size */
+      pp->cache_size = 0;
+    }
+  }
+
+  /* End of DO phase */
+  state(conn, POP3_STOP);
+
+  return result;
+}
+
+static CURLcode pop3_statemach_act(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  curl_socket_t sock = conn->sock[FIRSTSOCKET];
+  int pop3code;
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+  struct pingpong *pp = &pop3c->pp;
+  size_t nread = 0;
+
+  /* Busy upgrading the connection; right now all I/O is SSL/TLS, not POP3 */
+  if(pop3c->state == POP3_UPGRADETLS)
+    return pop3_perform_upgrade_tls(conn);
+
+  /* Flush any data that needs to be sent */
+  if(pp->sendleft)
+    return Curl_pp_flushsend(pp);
+
+ do {
+    /* Read the response from the server */
+    result = Curl_pp_readresp(sock, pp, &pop3code, &nread);
+    if(result)
+      return result;
+
+    if(!pop3code)
+      break;
+
+    /* We have now received a full POP3 server response */
+    switch(pop3c->state) {
+    case POP3_SERVERGREET:
+      result = pop3_state_servergreet_resp(conn, pop3code, pop3c->state);
+      break;
+
+    case POP3_CAPA:
+      result = pop3_state_capa_resp(conn, pop3code, pop3c->state);
+      break;
+
+    case POP3_STARTTLS:
+      result = pop3_state_starttls_resp(conn, pop3code, pop3c->state);
+      break;
+
+    case POP3_AUTH:
+      result = pop3_state_auth_resp(conn, pop3code, pop3c->state);
+      break;
+
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+    case POP3_APOP:
+      result = pop3_state_apop_resp(conn, pop3code, pop3c->state);
+      break;
+#endif
+
+    case POP3_USER:
+      result = pop3_state_user_resp(conn, pop3code, pop3c->state);
+      break;
+
+    case POP3_PASS:
+      result = pop3_state_pass_resp(conn, pop3code, pop3c->state);
+      break;
+
+    case POP3_COMMAND:
+      result = pop3_state_command_resp(conn, pop3code, pop3c->state);
+      break;
+
+    case POP3_QUIT:
+      /* fallthrough, just stop! */
+    default:
+      /* internal error */
+      state(conn, POP3_STOP);
+      break;
+    }
+  } while(!result && pop3c->state != POP3_STOP && Curl_pp_moredata(pp));
+
+  return result;
+}
+
+/* Called repeatedly until done from multi.c */
+static CURLcode pop3_multi_statemach(struct connectdata *conn, bool *done)
+{
+  CURLcode result = CURLE_OK;
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+
+  if((conn->handler->flags & PROTOPT_SSL) && !pop3c->ssldone) {
+    result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, &pop3c->ssldone);
+    if(result || !pop3c->ssldone)
+      return result;
+  }
+
+  result = Curl_pp_statemach(&pop3c->pp, FALSE, FALSE);
+  *done = (pop3c->state == POP3_STOP) ? TRUE : FALSE;
+
+  return result;
+}
+
+static CURLcode pop3_block_statemach(struct connectdata *conn,
+                                     bool disconnecting)
+{
+  CURLcode result = CURLE_OK;
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+
+  while(pop3c->state != POP3_STOP && !result)
+    result = Curl_pp_statemach(&pop3c->pp, TRUE, disconnecting);
+
+  return result;
+}
+
+/* Allocate and initialize the POP3 struct for the current Curl_easy if
+   required */
+static CURLcode pop3_init(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct POP3 *pop3;
+
+  pop3 = data->req.protop = calloc(sizeof(struct POP3), 1);
+  if(!pop3)
+    result = CURLE_OUT_OF_MEMORY;
+
+  return result;
+}
+
+/* For the POP3 "protocol connect" and "doing" phases only */
+static int pop3_getsock(struct connectdata *conn, curl_socket_t *socks,
+                        int numsocks)
+{
+  return Curl_pp_getsock(&conn->proto.pop3c.pp, socks, numsocks);
+}
+
+/***********************************************************************
+ *
+ * pop3_connect()
+ *
+ * This function should do everything that is to be considered a part of the
+ * connection phase.
+ *
+ * The variable 'done' points to will be TRUE if the protocol-layer connect
+ * phase is done when this function returns, or FALSE if not.
+ */
+static CURLcode pop3_connect(struct connectdata *conn, bool *done)
+{
+  CURLcode result = CURLE_OK;
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+  struct pingpong *pp = &pop3c->pp;
+
+  *done = FALSE; /* default to not done yet */
+
+  /* We always support persistent connections in POP3 */
+  connkeep(conn, "POP3 default");
+
+  /* Set the default response time-out */
+  pp->response_time = RESP_TIMEOUT;
+  pp->statemach_act = pop3_statemach_act;
+  pp->endofresp = pop3_endofresp;
+  pp->conn = conn;
+
+  /* Set the default preferred authentication type and mechanism */
+  pop3c->preftype = POP3_TYPE_ANY;
+  Curl_sasl_init(&pop3c->sasl, &saslpop3);
+
+  /* Initialise the pingpong layer */
+  Curl_pp_init(pp);
+
+  /* Parse the URL options */
+  result = pop3_parse_url_options(conn);
+  if(result)
+    return result;
+
+  /* Start off waiting for the server greeting response */
+  state(conn, POP3_SERVERGREET);
+
+  result = pop3_multi_statemach(conn, done);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * pop3_done()
+ *
+ * The DONE function. This does what needs to be done after a single DO has
+ * performed.
+ *
+ * Input argument is already checked for validity.
+ */
+static CURLcode pop3_done(struct connectdata *conn, CURLcode status,
+                          bool premature)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct POP3 *pop3 = data->req.protop;
+
+  (void)premature;
+
+  if(!pop3)
+    return CURLE_OK;
+
+  if(status) {
+    connclose(conn, "POP3 done with bad status");
+    result = status;         /* use the already set error code */
+  }
+
+  /* Cleanup our per-request based variables */
+  Curl_safefree(pop3->id);
+  Curl_safefree(pop3->custom);
+
+  /* Clear the transfer mode for the next request */
+  pop3->transfer = FTPTRANSFER_BODY;
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * pop3_perform()
+ *
+ * This is the actual DO function for POP3. Get a message/listing according to
+ * the options previously setup.
+ */
+static CURLcode pop3_perform(struct connectdata *conn, bool *connected,
+                             bool *dophase_done)
+{
+  /* This is POP3 and no proxy */
+  CURLcode result = CURLE_OK;
+  struct POP3 *pop3 = conn->data->req.protop;
+
+  DEBUGF(infof(conn->data, "DO phase starts\n"));
+
+  if(conn->data->set.opt_no_body) {
+    /* Requested no body means no transfer */
+    pop3->transfer = FTPTRANSFER_INFO;
+  }
+
+  *dophase_done = FALSE; /* not done yet */
+
+  /* Start the first command in the DO phase */
+  result = pop3_perform_command(conn);
+  if(result)
+    return result;
+
+  /* Run the state-machine */
+  result = pop3_multi_statemach(conn, dophase_done);
+
+  *connected = conn->bits.tcpconnect[FIRSTSOCKET];
+
+  if(*dophase_done)
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * pop3_do()
+ *
+ * This function is registered as 'curl_do' function. It decodes the path
+ * parts etc as a wrapper to the actual DO function (pop3_perform).
+ *
+ * The input argument is already checked for validity.
+ */
+static CURLcode pop3_do(struct connectdata *conn, bool *done)
+{
+  CURLcode result = CURLE_OK;
+
+  *done = FALSE; /* default to false */
+
+  /* Parse the URL path */
+  result = pop3_parse_url_path(conn);
+  if(result)
+    return result;
+
+  /* Parse the custom request */
+  result = pop3_parse_custom_request(conn);
+  if(result)
+    return result;
+
+  result = pop3_regular_transfer(conn, done);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * pop3_disconnect()
+ *
+ * Disconnect from an POP3 server. Cleanup protocol-specific per-connection
+ * resources. BLOCKING.
+ */
+static CURLcode pop3_disconnect(struct connectdata *conn, bool dead_connection)
+{
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+
+  /* We cannot send quit unconditionally. If this connection is stale or
+     bad in any way, sending quit and waiting around here will make the
+     disconnect wait in vain and cause more problems than we need to. */
+
+  /* The POP3 session may or may not have been allocated/setup at this
+     point! */
+  if(!dead_connection && pop3c->pp.conn && pop3c->pp.conn->bits.protoconnstart)
+    if(!pop3_perform_quit(conn))
+      (void)pop3_block_statemach(conn, TRUE); /* ignore errors on QUIT */
+
+  /* Disconnect from the server */
+  Curl_pp_disconnect(&pop3c->pp);
+
+  /* Cleanup the SASL module */
+  Curl_sasl_cleanup(conn, pop3c->sasl.authused);
+
+  /* Cleanup our connection based variables */
+  Curl_safefree(pop3c->apoptimestamp);
+
+  return CURLE_OK;
+}
+
+/* Call this when the DO phase has completed */
+static CURLcode pop3_dophase_done(struct connectdata *conn, bool connected)
+{
+  (void)conn;
+  (void)connected;
+
+  return CURLE_OK;
+}
+
+/* Called from multi.c while DOing */
+static CURLcode pop3_doing(struct connectdata *conn, bool *dophase_done)
+{
+  CURLcode result = pop3_multi_statemach(conn, dophase_done);
+
+  if(result)
+    DEBUGF(infof(conn->data, "DO phase failed\n"));
+  else if(*dophase_done) {
+    result = pop3_dophase_done(conn, FALSE /* not connected */);
+
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * pop3_regular_transfer()
+ *
+ * The input argument is already checked for validity.
+ *
+ * Performs all commands done before a regular transfer between a local and a
+ * remote host.
+ */
+static CURLcode pop3_regular_transfer(struct connectdata *conn,
+                                      bool *dophase_done)
+{
+  CURLcode result = CURLE_OK;
+  bool connected = FALSE;
+  struct Curl_easy *data = conn->data;
+
+  /* Make sure size is unknown at this point */
+  data->req.size = -1;
+
+  /* Set the progress data */
+  Curl_pgrsSetUploadCounter(data, 0);
+  Curl_pgrsSetDownloadCounter(data, 0);
+  Curl_pgrsSetUploadSize(data, -1);
+  Curl_pgrsSetDownloadSize(data, -1);
+
+  /* Carry out the perform */
+  result = pop3_perform(conn, &connected, dophase_done);
+
+  /* Perform post DO phase operations if necessary */
+  if(!result && *dophase_done)
+    result = pop3_dophase_done(conn, connected);
+
+  return result;
+}
+
+static CURLcode pop3_setup_connection(struct connectdata *conn)
+{
+  /* Initialise the POP3 layer */
+  CURLcode result = pop3_init(conn);
+  if(result)
+    return result;
+
+  /* Clear the TLS upgraded flag */
+  conn->tls_upgraded = FALSE;
+
+  return CURLE_OK;
+}
+
+/***********************************************************************
+ *
+ * pop3_parse_url_options()
+ *
+ * Parse the URL login options.
+ */
+static CURLcode pop3_parse_url_options(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+  const char *ptr = conn->options;
+
+  pop3c->sasl.resetprefs = TRUE;
+
+  while(!result && ptr && *ptr) {
+    const char *key = ptr;
+    const char *value;
+
+    while(*ptr && *ptr != '=')
+        ptr++;
+
+    value = ptr + 1;
+
+    while(*ptr && *ptr != ';')
+      ptr++;
+
+    if(strncasecompare(key, "AUTH=", 5)) {
+      result = Curl_sasl_parse_url_auth_option(&pop3c->sasl,
+                                               value, ptr - value);
+
+      if(result && strncasecompare(value, "+APOP", ptr - value)) {
+        pop3c->preftype = POP3_TYPE_APOP;
+        pop3c->sasl.prefmech = SASL_AUTH_NONE;
+        result = CURLE_OK;
+      }
+    }
+    else
+      result = CURLE_URL_MALFORMAT;
+
+    if(*ptr == ';')
+      ptr++;
+  }
+
+  if(pop3c->preftype != POP3_TYPE_APOP)
+    switch(pop3c->sasl.prefmech) {
+    case SASL_AUTH_NONE:
+      pop3c->preftype = POP3_TYPE_NONE;
+      break;
+    case SASL_AUTH_DEFAULT:
+      pop3c->preftype = POP3_TYPE_ANY;
+      break;
+    default:
+      pop3c->preftype = POP3_TYPE_SASL;
+      break;
+    }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * pop3_parse_url_path()
+ *
+ * Parse the URL path into separate path components.
+ */
+static CURLcode pop3_parse_url_path(struct connectdata *conn)
+{
+  /* The POP3 struct is already initialised in pop3_connect() */
+  struct Curl_easy *data = conn->data;
+  struct POP3 *pop3 = data->req.protop;
+  const char *path = &data->state.up.path[1]; /* skip leading path */
+
+  /* URL decode the path for the message ID */
+  return Curl_urldecode(data, path, 0, &pop3->id, NULL, TRUE);
+}
+
+/***********************************************************************
+ *
+ * pop3_parse_custom_request()
+ *
+ * Parse the custom request.
+ */
+static CURLcode pop3_parse_custom_request(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct POP3 *pop3 = data->req.protop;
+  const char *custom = data->set.str[STRING_CUSTOMREQUEST];
+
+  /* URL decode the custom request */
+  if(custom)
+    result = Curl_urldecode(data, custom, 0, &pop3->custom, NULL, TRUE);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * Curl_pop3_write()
+ *
+ * This function scans the body after the end-of-body and writes everything
+ * until the end is found.
+ */
+CURLcode Curl_pop3_write(struct connectdata *conn, char *str, size_t nread)
+{
+  /* This code could be made into a special function in the handler struct */
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct SingleRequest *k = &data->req;
+
+  struct pop3_conn *pop3c = &conn->proto.pop3c;
+  bool strip_dot = FALSE;
+  size_t last = 0;
+  size_t i;
+
+  /* Search through the buffer looking for the end-of-body marker which is
+     5 bytes (0d 0a 2e 0d 0a). Note that a line starting with a dot matches
+     the eob so the server will have prefixed it with an extra dot which we
+     need to strip out. Additionally the marker could of course be spread out
+     over 5 different data chunks. */
+  for(i = 0; i < nread; i++) {
+    size_t prev = pop3c->eob;
+
+    switch(str[i]) {
+    case 0x0d:
+      if(pop3c->eob == 0) {
+        pop3c->eob++;
+
+        if(i) {
+          /* Write out the body part that didn't match */
+          result = Curl_client_write(conn, CLIENTWRITE_BODY, &str[last],
+                                     i - last);
+
+          if(result)
+            return result;
+
+          last = i;
+        }
+      }
+      else if(pop3c->eob == 3)
+        pop3c->eob++;
+      else
+        /* If the character match wasn't at position 0 or 3 then restart the
+           pattern matching */
+        pop3c->eob = 1;
+      break;
+
+    case 0x0a:
+      if(pop3c->eob == 1 || pop3c->eob == 4)
+        pop3c->eob++;
+      else
+        /* If the character match wasn't at position 1 or 4 then start the
+           search again */
+        pop3c->eob = 0;
+      break;
+
+    case 0x2e:
+      if(pop3c->eob == 2)
+        pop3c->eob++;
+      else if(pop3c->eob == 3) {
+        /* We have an extra dot after the CRLF which we need to strip off */
+        strip_dot = TRUE;
+        pop3c->eob = 0;
+      }
+      else
+        /* If the character match wasn't at position 2 then start the search
+           again */
+        pop3c->eob = 0;
+      break;
+
+    default:
+      pop3c->eob = 0;
+      break;
+    }
+
+    /* Did we have a partial match which has subsequently failed? */
+    if(prev && prev >= pop3c->eob) {
+      /* Strip can only be non-zero for the very first mismatch after CRLF
+         and then both prev and strip are equal and nothing will be output
+         below */
+      while(prev && pop3c->strip) {
+        prev--;
+        pop3c->strip--;
+      }
+
+      if(prev) {
+        /* If the partial match was the CRLF and dot then only write the CRLF
+           as the server would have inserted the dot */
+        result = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)POP3_EOB,
+                                   strip_dot ? prev - 1 : prev);
+
+        if(result)
+          return result;
+
+        last = i;
+        strip_dot = FALSE;
+      }
+    }
+  }
+
+  if(pop3c->eob == POP3_EOB_LEN) {
+    /* We have a full match so the transfer is done, however we must transfer
+    the CRLF at the start of the EOB as this is considered to be part of the
+    message as per RFC-1939, sect. 3 */
+    result = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)POP3_EOB, 2);
+
+    k->keepon &= ~KEEP_RECV;
+    pop3c->eob = 0;
+
+    return result;
+  }
+
+  if(pop3c->eob)
+    /* While EOB is matching nothing should be output */
+    return CURLE_OK;
+
+  if(nread - last) {
+    result = Curl_client_write(conn, CLIENTWRITE_BODY, &str[last],
+                               nread - last);
+  }
+
+  return result;
+}
+
+#endif /* CURL_DISABLE_POP3 */
Index: trunk/src/libs/curl-7.64.0/lib/pop3.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/pop3.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/pop3.h	(revision 85671)
@@ -0,0 +1,95 @@
+#ifndef HEADER_CURL_POP3_H
+#define HEADER_CURL_POP3_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2009 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "pingpong.h"
+#include "curl_sasl.h"
+
+/****************************************************************************
+ * POP3 unique setup
+ ***************************************************************************/
+typedef enum {
+  POP3_STOP,         /* do nothing state, stops the state machine */
+  POP3_SERVERGREET,  /* waiting for the initial greeting immediately after
+                        a connect */
+  POP3_CAPA,
+  POP3_STARTTLS,
+  POP3_UPGRADETLS,   /* asynchronously upgrade the connection to SSL/TLS
+                       (multi mode only) */
+  POP3_AUTH,
+  POP3_APOP,
+  POP3_USER,
+  POP3_PASS,
+  POP3_COMMAND,
+  POP3_QUIT,
+  POP3_LAST          /* never used */
+} pop3state;
+
+/* This POP3 struct is used in the Curl_easy. All POP3 data that is
+   connection-oriented must be in pop3_conn to properly deal with the fact that
+   perhaps the Curl_easy is changed between the times the connection is
+   used. */
+struct POP3 {
+  curl_pp_transfer transfer;
+  char *id;               /* Message ID */
+  char *custom;           /* Custom Request */
+};
+
+/* pop3_conn is used for struct connection-oriented data in the connectdata
+   struct */
+struct pop3_conn {
+  struct pingpong pp;
+  pop3state state;        /* Always use pop3.c:state() to change state! */
+  bool ssldone;           /* Is connect() over SSL done? */
+  size_t eob;             /* Number of bytes of the EOB (End Of Body) that
+                             have been received so far */
+  size_t strip;           /* Number of bytes from the start to ignore as
+                             non-body */
+  struct SASL sasl;       /* SASL-related storage */
+  unsigned int authtypes; /* Accepted authentication types */
+  unsigned int preftype;  /* Preferred authentication type */
+  char *apoptimestamp;    /* APOP timestamp from the server greeting */
+  bool tls_supported;     /* StartTLS capability supported by server */
+};
+
+extern const struct Curl_handler Curl_handler_pop3;
+extern const struct Curl_handler Curl_handler_pop3s;
+
+/* Authentication type flags */
+#define POP3_TYPE_CLEARTEXT (1 << 0)
+#define POP3_TYPE_APOP      (1 << 1)
+#define POP3_TYPE_SASL      (1 << 2)
+
+/* Authentication type values */
+#define POP3_TYPE_NONE      0
+#define POP3_TYPE_ANY       ~0U
+
+/* This is the 5-bytes End-Of-Body marker for POP3 */
+#define POP3_EOB "\x0d\x0a\x2e\x0d\x0a"
+#define POP3_EOB_LEN 5
+
+/* This function scans the body after the end-of-body and writes everything
+ * until the end is found */
+CURLcode Curl_pop3_write(struct connectdata *conn, char *str, size_t nread);
+
+#endif /* HEADER_CURL_POP3_H */
Index: trunk/src/libs/curl-7.64.0/lib/progress.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/progress.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/progress.c	(revision 85671)
@@ -0,0 +1,607 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include "urldata.h"
+#include "sendf.h"
+#include "multiif.h"
+#include "progress.h"
+#include "curl_printf.h"
+
+/* check rate limits within this many recent milliseconds, at minimum. */
+#define MIN_RATE_LIMIT_PERIOD 3000
+
+/* Provide a string that is 2 + 1 + 2 + 1 + 2 = 8 letters long (plus the zero
+   byte) */
+static void time2str(char *r, curl_off_t seconds)
+{
+  curl_off_t h;
+  if(seconds <= 0) {
+    strcpy(r, "--:--:--");
+    return;
+  }
+  h = seconds / CURL_OFF_T_C(3600);
+  if(h <= CURL_OFF_T_C(99)) {
+    curl_off_t m = (seconds - (h*CURL_OFF_T_C(3600))) / CURL_OFF_T_C(60);
+    curl_off_t s = (seconds - (h*CURL_OFF_T_C(3600))) - (m*CURL_OFF_T_C(60));
+    msnprintf(r, 9, "%2" CURL_FORMAT_CURL_OFF_T ":%02" CURL_FORMAT_CURL_OFF_T
+              ":%02" CURL_FORMAT_CURL_OFF_T, h, m, s);
+  }
+  else {
+    /* this equals to more than 99 hours, switch to a more suitable output
+       format to fit within the limits. */
+    curl_off_t d = seconds / CURL_OFF_T_C(86400);
+    h = (seconds - (d*CURL_OFF_T_C(86400))) / CURL_OFF_T_C(3600);
+    if(d <= CURL_OFF_T_C(999))
+      msnprintf(r, 9, "%3" CURL_FORMAT_CURL_OFF_T
+                "d %02" CURL_FORMAT_CURL_OFF_T "h", d, h);
+    else
+      msnprintf(r, 9, "%7" CURL_FORMAT_CURL_OFF_T "d", d);
+  }
+}
+
+/* The point of this function would be to return a string of the input data,
+   but never longer than 5 columns (+ one zero byte).
+   Add suffix k, M, G when suitable... */
+static char *max5data(curl_off_t bytes, char *max5)
+{
+#define ONE_KILOBYTE  CURL_OFF_T_C(1024)
+#define ONE_MEGABYTE (CURL_OFF_T_C(1024) * ONE_KILOBYTE)
+#define ONE_GIGABYTE (CURL_OFF_T_C(1024) * ONE_MEGABYTE)
+#define ONE_TERABYTE (CURL_OFF_T_C(1024) * ONE_GIGABYTE)
+#define ONE_PETABYTE (CURL_OFF_T_C(1024) * ONE_TERABYTE)
+
+  if(bytes < CURL_OFF_T_C(100000))
+    msnprintf(max5, 6, "%5" CURL_FORMAT_CURL_OFF_T, bytes);
+
+  else if(bytes < CURL_OFF_T_C(10000) * ONE_KILOBYTE)
+    msnprintf(max5, 6, "%4" CURL_FORMAT_CURL_OFF_T "k", bytes/ONE_KILOBYTE);
+
+  else if(bytes < CURL_OFF_T_C(100) * ONE_MEGABYTE)
+    /* 'XX.XM' is good as long as we're less than 100 megs */
+    msnprintf(max5, 6, "%2" CURL_FORMAT_CURL_OFF_T ".%0"
+              CURL_FORMAT_CURL_OFF_T "M", bytes/ONE_MEGABYTE,
+              (bytes%ONE_MEGABYTE) / (ONE_MEGABYTE/CURL_OFF_T_C(10)) );
+
+#if (CURL_SIZEOF_CURL_OFF_T > 4)
+
+  else if(bytes < CURL_OFF_T_C(10000) * ONE_MEGABYTE)
+    /* 'XXXXM' is good until we're at 10000MB or above */
+    msnprintf(max5, 6, "%4" CURL_FORMAT_CURL_OFF_T "M", bytes/ONE_MEGABYTE);
+
+  else if(bytes < CURL_OFF_T_C(100) * ONE_GIGABYTE)
+    /* 10000 MB - 100 GB, we show it as XX.XG */
+    msnprintf(max5, 6, "%2" CURL_FORMAT_CURL_OFF_T ".%0"
+              CURL_FORMAT_CURL_OFF_T "G", bytes/ONE_GIGABYTE,
+              (bytes%ONE_GIGABYTE) / (ONE_GIGABYTE/CURL_OFF_T_C(10)) );
+
+  else if(bytes < CURL_OFF_T_C(10000) * ONE_GIGABYTE)
+    /* up to 10000GB, display without decimal: XXXXG */
+    msnprintf(max5, 6, "%4" CURL_FORMAT_CURL_OFF_T "G", bytes/ONE_GIGABYTE);
+
+  else if(bytes < CURL_OFF_T_C(10000) * ONE_TERABYTE)
+    /* up to 10000TB, display without decimal: XXXXT */
+    msnprintf(max5, 6, "%4" CURL_FORMAT_CURL_OFF_T "T", bytes/ONE_TERABYTE);
+
+  else
+    /* up to 10000PB, display without decimal: XXXXP */
+    msnprintf(max5, 6, "%4" CURL_FORMAT_CURL_OFF_T "P", bytes/ONE_PETABYTE);
+
+    /* 16384 petabytes (16 exabytes) is the maximum a 64 bit unsigned number
+       can hold, but our data type is signed so 8192PB will be the maximum. */
+
+#else
+
+  else
+    msnprintf(max5, 6, "%4" CURL_FORMAT_CURL_OFF_T "M", bytes/ONE_MEGABYTE);
+
+#endif
+
+  return max5;
+}
+
+/*
+
+   New proposed interface, 9th of February 2000:
+
+   pgrsStartNow() - sets start time
+   pgrsSetDownloadSize(x) - known expected download size
+   pgrsSetUploadSize(x) - known expected upload size
+   pgrsSetDownloadCounter() - amount of data currently downloaded
+   pgrsSetUploadCounter() - amount of data currently uploaded
+   pgrsUpdate() - show progress
+   pgrsDone() - transfer complete
+
+*/
+
+int Curl_pgrsDone(struct connectdata *conn)
+{
+  int rc;
+  struct Curl_easy *data = conn->data;
+  data->progress.lastshow = 0;
+  rc = Curl_pgrsUpdate(conn); /* the final (forced) update */
+  if(rc)
+    return rc;
+
+  if(!(data->progress.flags & PGRS_HIDE) &&
+     !data->progress.callback)
+    /* only output if we don't use a progress callback and we're not
+     * hidden */
+    fprintf(data->set.err, "\n");
+
+  data->progress.speeder_c = 0; /* reset the progress meter display */
+  return 0;
+}
+
+/* reset the known transfer sizes */
+void Curl_pgrsResetTransferSizes(struct Curl_easy *data)
+{
+  Curl_pgrsSetDownloadSize(data, -1);
+  Curl_pgrsSetUploadSize(data, -1);
+}
+
+/*
+ * @unittest: 1399
+ */
+void Curl_pgrsTime(struct Curl_easy *data, timerid timer)
+{
+  struct curltime now = Curl_now();
+  time_t *delta = NULL;
+
+  switch(timer) {
+  default:
+  case TIMER_NONE:
+    /* mistake filter */
+    break;
+  case TIMER_STARTOP:
+    /* This is set at the start of a transfer */
+    data->progress.t_startop = now;
+    break;
+  case TIMER_STARTSINGLE:
+    /* This is set at the start of each single fetch */
+    data->progress.t_startsingle = now;
+    data->progress.is_t_startransfer_set = false;
+    break;
+  case TIMER_STARTACCEPT:
+    data->progress.t_acceptdata = now;
+    break;
+  case TIMER_NAMELOOKUP:
+    delta = &data->progress.t_nslookup;
+    break;
+  case TIMER_CONNECT:
+    delta = &data->progress.t_connect;
+    break;
+  case TIMER_APPCONNECT:
+    delta = &data->progress.t_appconnect;
+    break;
+  case TIMER_PRETRANSFER:
+    delta = &data->progress.t_pretransfer;
+    break;
+  case TIMER_STARTTRANSFER:
+    delta = &data->progress.t_starttransfer;
+    /* prevent updating t_starttransfer unless:
+     *   1) this is the first time we're setting t_starttransfer
+     *   2) a redirect has occurred since the last time t_starttransfer was set
+     * This prevents repeated invocations of the function from incorrectly
+     * changing the t_starttransfer time.
+     */
+    if(data->progress.is_t_startransfer_set) {
+      return;
+    }
+    else {
+      data->progress.is_t_startransfer_set = true;
+      break;
+    }
+  case TIMER_POSTRANSFER:
+    /* this is the normal end-of-transfer thing */
+    break;
+  case TIMER_REDIRECT:
+    data->progress.t_redirect = Curl_timediff_us(now, data->progress.start);
+    break;
+  }
+  if(delta) {
+    timediff_t us = Curl_timediff_us(now, data->progress.t_startsingle);
+    if(us < 1)
+      us = 1; /* make sure at least one microsecond passed */
+    *delta += us;
+  }
+}
+
+void Curl_pgrsStartNow(struct Curl_easy *data)
+{
+  data->progress.speeder_c = 0; /* reset the progress meter display */
+  data->progress.start = Curl_now();
+  data->progress.is_t_startransfer_set = false;
+  data->progress.ul_limit_start.tv_sec = 0;
+  data->progress.ul_limit_start.tv_usec = 0;
+  data->progress.dl_limit_start.tv_sec = 0;
+  data->progress.dl_limit_start.tv_usec = 0;
+  /* clear all bits except HIDE and HEADERS_OUT */
+  data->progress.flags &= PGRS_HIDE|PGRS_HEADERS_OUT;
+  Curl_ratelimit(data, data->progress.start);
+}
+
+/*
+ * This is used to handle speed limits, calculating how many milliseconds to
+ * wait until we're back under the speed limit, if needed.
+ *
+ * The way it works is by having a "starting point" (time & amount of data
+ * transferred by then) used in the speed computation, to be used instead of
+ * the start of the transfer.  This starting point is regularly moved as
+ * transfer goes on, to keep getting accurate values (instead of average over
+ * the entire transfer).
+ *
+ * This function takes the current amount of data transferred, the amount at
+ * the starting point, the limit (in bytes/s), the time of the starting point
+ * and the current time.
+ *
+ * Returns 0 if no waiting is needed or when no waiting is needed but the
+ * starting point should be reset (to current); or the number of milliseconds
+ * to wait to get back under the speed limit.
+ */
+timediff_t Curl_pgrsLimitWaitTime(curl_off_t cursize,
+                                  curl_off_t startsize,
+                                  curl_off_t limit,
+                                  struct curltime start,
+                                  struct curltime now)
+{
+  curl_off_t size = cursize - startsize;
+  time_t minimum;
+  time_t actual;
+
+  if(!limit || !size)
+    return 0;
+
+  /*
+   * 'minimum' is the number of milliseconds 'size' should take to download to
+   * stay below 'limit'.
+   */
+  if(size < CURL_OFF_T_MAX/1000)
+    minimum = (time_t) (CURL_OFF_T_C(1000) * size / limit);
+  else {
+    minimum = (time_t) (size / limit);
+    if(minimum < TIME_T_MAX/1000)
+      minimum *= 1000;
+    else
+      minimum = TIME_T_MAX;
+  }
+
+  /*
+   * 'actual' is the time in milliseconds it took to actually download the
+   * last 'size' bytes.
+   */
+  actual = Curl_timediff(now, start);
+  if(actual < minimum) {
+    /* if it downloaded the data faster than the limit, make it wait the
+       difference */
+    return (minimum - actual);
+  }
+
+  return 0;
+}
+
+/*
+ * Set the number of downloaded bytes so far.
+ */
+void Curl_pgrsSetDownloadCounter(struct Curl_easy *data, curl_off_t size)
+{
+  data->progress.downloaded = size;
+}
+
+/*
+ * Update the timestamp and sizestamp to use for rate limit calculations.
+ */
+void Curl_ratelimit(struct Curl_easy *data, struct curltime now)
+{
+  /* don't set a new stamp unless the time since last update is long enough */
+  if(data->set.max_recv_speed > 0) {
+    if(Curl_timediff(now, data->progress.dl_limit_start) >=
+       MIN_RATE_LIMIT_PERIOD) {
+      data->progress.dl_limit_start = now;
+      data->progress.dl_limit_size = data->progress.downloaded;
+    }
+  }
+  if(data->set.max_send_speed > 0) {
+    if(Curl_timediff(now, data->progress.ul_limit_start) >=
+       MIN_RATE_LIMIT_PERIOD) {
+      data->progress.ul_limit_start = now;
+      data->progress.ul_limit_size = data->progress.uploaded;
+    }
+  }
+}
+
+/*
+ * Set the number of uploaded bytes so far.
+ */
+void Curl_pgrsSetUploadCounter(struct Curl_easy *data, curl_off_t size)
+{
+  data->progress.uploaded = size;
+}
+
+void Curl_pgrsSetDownloadSize(struct Curl_easy *data, curl_off_t size)
+{
+  if(size >= 0) {
+    data->progress.size_dl = size;
+    data->progress.flags |= PGRS_DL_SIZE_KNOWN;
+  }
+  else {
+    data->progress.size_dl = 0;
+    data->progress.flags &= ~PGRS_DL_SIZE_KNOWN;
+  }
+}
+
+void Curl_pgrsSetUploadSize(struct Curl_easy *data, curl_off_t size)
+{
+  if(size >= 0) {
+    data->progress.size_ul = size;
+    data->progress.flags |= PGRS_UL_SIZE_KNOWN;
+  }
+  else {
+    data->progress.size_ul = 0;
+    data->progress.flags &= ~PGRS_UL_SIZE_KNOWN;
+  }
+}
+
+/*
+ * Curl_pgrsUpdate() returns 0 for success or the value returned by the
+ * progress callback!
+ */
+int Curl_pgrsUpdate(struct connectdata *conn)
+{
+  struct curltime now;
+  curl_off_t timespent;
+  curl_off_t timespent_ms; /* milliseconds */
+  struct Curl_easy *data = conn->data;
+  int nowindex = data->progress.speeder_c% CURR_TIME;
+  bool shownow = FALSE;
+  curl_off_t dl = data->progress.downloaded;
+  curl_off_t ul = data->progress.uploaded;
+
+  now = Curl_now(); /* what time is it */
+
+  /* The time spent so far (from the start) */
+  data->progress.timespent = Curl_timediff_us(now, data->progress.start);
+  timespent = (curl_off_t)data->progress.timespent/1000000; /* seconds */
+  timespent_ms = (curl_off_t)data->progress.timespent/1000; /* ms */
+
+  /* The average download speed this far */
+  if(dl < CURL_OFF_T_MAX/1000)
+    data->progress.dlspeed = (dl * 1000 / (timespent_ms>0?timespent_ms:1));
+  else
+    data->progress.dlspeed = (dl / (timespent>0?timespent:1));
+
+  /* The average upload speed this far */
+  if(ul < CURL_OFF_T_MAX/1000)
+    data->progress.ulspeed = (ul * 1000 / (timespent_ms>0?timespent_ms:1));
+  else
+    data->progress.ulspeed = (ul / (timespent>0?timespent:1));
+
+  /* Calculations done at most once a second, unless end is reached */
+  if(data->progress.lastshow != now.tv_sec) {
+    int countindex; /* amount of seconds stored in the speeder array */
+    shownow = TRUE;
+
+    data->progress.lastshow = now.tv_sec;
+
+    /* Let's do the "current speed" thing, with the dl + ul speeds
+       combined. Store the speed at entry 'nowindex'. */
+    data->progress.speeder[ nowindex ] =
+      data->progress.downloaded + data->progress.uploaded;
+
+    /* remember the exact time for this moment */
+    data->progress.speeder_time [ nowindex ] = now;
+
+    /* advance our speeder_c counter, which is increased every time we get
+       here and we expect it to never wrap as 2^32 is a lot of seconds! */
+    data->progress.speeder_c++;
+
+    /* figure out how many index entries of data we have stored in our speeder
+       array. With N_ENTRIES filled in, we have about N_ENTRIES-1 seconds of
+       transfer. Imagine, after one second we have filled in two entries,
+       after two seconds we've filled in three entries etc. */
+    countindex = ((data->progress.speeder_c >= CURR_TIME)?
+                  CURR_TIME:data->progress.speeder_c) - 1;
+
+    /* first of all, we don't do this if there's no counted seconds yet */
+    if(countindex) {
+      int checkindex;
+      timediff_t span_ms;
+
+      /* Get the index position to compare with the 'nowindex' position.
+         Get the oldest entry possible. While we have less than CURR_TIME
+         entries, the first entry will remain the oldest. */
+      checkindex = (data->progress.speeder_c >= CURR_TIME)?
+        data->progress.speeder_c%CURR_TIME:0;
+
+      /* Figure out the exact time for the time span */
+      span_ms = Curl_timediff(now,
+                              data->progress.speeder_time[checkindex]);
+      if(0 == span_ms)
+        span_ms = 1; /* at least one millisecond MUST have passed */
+
+      /* Calculate the average speed the last 'span_ms' milliseconds */
+      {
+        curl_off_t amount = data->progress.speeder[nowindex]-
+          data->progress.speeder[checkindex];
+
+        if(amount > CURL_OFF_T_C(4294967) /* 0xffffffff/1000 */)
+          /* the 'amount' value is bigger than would fit in 32 bits if
+             multiplied with 1000, so we use the double math for this */
+          data->progress.current_speed = (curl_off_t)
+            ((double)amount/((double)span_ms/1000.0));
+        else
+          /* the 'amount' value is small enough to fit within 32 bits even
+             when multiplied with 1000 */
+          data->progress.current_speed = amount*CURL_OFF_T_C(1000)/span_ms;
+      }
+    }
+    else
+      /* the first second we use the average */
+      data->progress.current_speed =
+        data->progress.ulspeed + data->progress.dlspeed;
+
+  } /* Calculations end */
+
+  if(!(data->progress.flags & PGRS_HIDE)) {
+    /* progress meter has not been shut off */
+    char max5[6][10];
+    curl_off_t dlpercen = 0;
+    curl_off_t ulpercen = 0;
+    curl_off_t total_percen = 0;
+    curl_off_t total_transfer;
+    curl_off_t total_expected_transfer;
+    char time_left[10];
+    char time_total[10];
+    char time_spent[10];
+    curl_off_t ulestimate = 0;
+    curl_off_t dlestimate = 0;
+    curl_off_t total_estimate;
+
+    if(data->set.fxferinfo) {
+      int result;
+      /* There's a callback set, call that */
+      Curl_set_in_callback(data, true);
+      result = data->set.fxferinfo(data->set.progress_client,
+                                   data->progress.size_dl,
+                                   data->progress.downloaded,
+                                   data->progress.size_ul,
+                                   data->progress.uploaded);
+      Curl_set_in_callback(data, false);
+      if(result)
+        failf(data, "Callback aborted");
+      return result;
+    }
+    if(data->set.fprogress) {
+      int result;
+      /* The older deprecated callback is set, call that */
+      Curl_set_in_callback(data, true);
+      result = data->set.fprogress(data->set.progress_client,
+                                   (double)data->progress.size_dl,
+                                   (double)data->progress.downloaded,
+                                   (double)data->progress.size_ul,
+                                   (double)data->progress.uploaded);
+      Curl_set_in_callback(data, false);
+      if(result)
+        failf(data, "Callback aborted");
+      return result;
+    }
+
+    if(!shownow)
+      /* only show the internal progress meter once per second */
+      return 0;
+
+    /* If there's no external callback set, use internal code to show
+       progress */
+
+    if(!(data->progress.flags & PGRS_HEADERS_OUT)) {
+      if(data->state.resume_from) {
+        fprintf(data->set.err,
+                "** Resuming transfer from byte position %"
+                CURL_FORMAT_CURL_OFF_T "\n", data->state.resume_from);
+      }
+      fprintf(data->set.err,
+              "  %% Total    %% Received %% Xferd  Average Speed   "
+              "Time    Time     Time  Current\n"
+              "                                 Dload  Upload   "
+              "Total   Spent    Left  Speed\n");
+      data->progress.flags |= PGRS_HEADERS_OUT; /* headers are shown */
+    }
+
+    /* Figure out the estimated time of arrival for the upload */
+    if((data->progress.flags & PGRS_UL_SIZE_KNOWN) &&
+       (data->progress.ulspeed > CURL_OFF_T_C(0))) {
+      ulestimate = data->progress.size_ul / data->progress.ulspeed;
+
+      if(data->progress.size_ul > CURL_OFF_T_C(10000))
+        ulpercen = data->progress.uploaded /
+          (data->progress.size_ul/CURL_OFF_T_C(100));
+      else if(data->progress.size_ul > CURL_OFF_T_C(0))
+        ulpercen = (data->progress.uploaded*100) /
+          data->progress.size_ul;
+    }
+
+    /* ... and the download */
+    if((data->progress.flags & PGRS_DL_SIZE_KNOWN) &&
+       (data->progress.dlspeed > CURL_OFF_T_C(0))) {
+      dlestimate = data->progress.size_dl / data->progress.dlspeed;
+
+      if(data->progress.size_dl > CURL_OFF_T_C(10000))
+        dlpercen = data->progress.downloaded /
+          (data->progress.size_dl/CURL_OFF_T_C(100));
+      else if(data->progress.size_dl > CURL_OFF_T_C(0))
+        dlpercen = (data->progress.downloaded*100) /
+          data->progress.size_dl;
+    }
+
+    /* Now figure out which of them is slower and use that one for the
+       total estimate! */
+    total_estimate = ulestimate>dlestimate?ulestimate:dlestimate;
+
+    /* create the three time strings */
+    time2str(time_left, total_estimate > 0?(total_estimate - timespent):0);
+    time2str(time_total, total_estimate);
+    time2str(time_spent, timespent);
+
+    /* Get the total amount of data expected to get transferred */
+    total_expected_transfer =
+      (data->progress.flags & PGRS_UL_SIZE_KNOWN?
+       data->progress.size_ul:data->progress.uploaded)+
+      (data->progress.flags & PGRS_DL_SIZE_KNOWN?
+       data->progress.size_dl:data->progress.downloaded);
+
+    /* We have transferred this much so far */
+    total_transfer = data->progress.downloaded + data->progress.uploaded;
+
+    /* Get the percentage of data transferred so far */
+    if(total_expected_transfer > CURL_OFF_T_C(10000))
+      total_percen = total_transfer /
+        (total_expected_transfer/CURL_OFF_T_C(100));
+    else if(total_expected_transfer > CURL_OFF_T_C(0))
+      total_percen = (total_transfer*100) / total_expected_transfer;
+
+    fprintf(data->set.err,
+            "\r"
+            "%3" CURL_FORMAT_CURL_OFF_T " %s  "
+            "%3" CURL_FORMAT_CURL_OFF_T " %s  "
+            "%3" CURL_FORMAT_CURL_OFF_T " %s  %s  %s %s %s %s %s",
+            total_percen,  /* 3 letters */                /* total % */
+            max5data(total_expected_transfer, max5[2]),   /* total size */
+            dlpercen,      /* 3 letters */                /* rcvd % */
+            max5data(data->progress.downloaded, max5[0]), /* rcvd size */
+            ulpercen,      /* 3 letters */                /* xfer % */
+            max5data(data->progress.uploaded, max5[1]),   /* xfer size */
+            max5data(data->progress.dlspeed, max5[3]),    /* avrg dl speed */
+            max5data(data->progress.ulspeed, max5[4]),    /* avrg ul speed */
+            time_total,    /* 8 letters */                /* total time */
+            time_spent,    /* 8 letters */                /* time spent */
+            time_left,     /* 8 letters */                /* time left */
+            max5data(data->progress.current_speed, max5[5]) /* current speed */
+            );
+
+    /* we flush the output stream to make it appear as soon as possible */
+    fflush(data->set.err);
+
+  } /* !(data->progress.flags & PGRS_HIDE) */
+
+  return 0;
+}
Index: trunk/src/libs/curl-7.64.0/lib/progress.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/progress.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/progress.h	(revision 85671)
@@ -0,0 +1,64 @@
+#ifndef HEADER_CURL_PROGRESS_H
+#define HEADER_CURL_PROGRESS_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "timeval.h"
+
+
+typedef enum {
+  TIMER_NONE,
+  TIMER_STARTOP,
+  TIMER_STARTSINGLE,
+  TIMER_NAMELOOKUP,
+  TIMER_CONNECT,
+  TIMER_APPCONNECT,
+  TIMER_PRETRANSFER,
+  TIMER_STARTTRANSFER,
+  TIMER_POSTRANSFER,
+  TIMER_STARTACCEPT,
+  TIMER_REDIRECT,
+  TIMER_LAST /* must be last */
+} timerid;
+
+int Curl_pgrsDone(struct connectdata *);
+void Curl_pgrsStartNow(struct Curl_easy *data);
+void Curl_pgrsSetDownloadSize(struct Curl_easy *data, curl_off_t size);
+void Curl_pgrsSetUploadSize(struct Curl_easy *data, curl_off_t size);
+void Curl_pgrsSetDownloadCounter(struct Curl_easy *data, curl_off_t size);
+void Curl_pgrsSetUploadCounter(struct Curl_easy *data, curl_off_t size);
+void Curl_ratelimit(struct Curl_easy *data, struct curltime now);
+int Curl_pgrsUpdate(struct connectdata *);
+void Curl_pgrsResetTransferSizes(struct Curl_easy *data);
+void Curl_pgrsTime(struct Curl_easy *data, timerid timer);
+timediff_t Curl_pgrsLimitWaitTime(curl_off_t cursize,
+                                  curl_off_t startsize,
+                                  curl_off_t limit,
+                                  struct curltime start,
+                                  struct curltime now);
+
+#define PGRS_HIDE    (1<<4)
+#define PGRS_UL_SIZE_KNOWN (1<<5)
+#define PGRS_DL_SIZE_KNOWN (1<<6)
+#define PGRS_HEADERS_OUT (1<<7) /* set when the headers have been written */
+
+#endif /* HEADER_CURL_PROGRESS_H */
Index: trunk/src/libs/curl-7.64.0/lib/psl.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/psl.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/psl.c	(revision 85671)
@@ -0,0 +1,111 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#ifdef USE_LIBPSL
+
+#include "psl.h"
+#include "share.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+void Curl_psl_destroy(struct PslCache *pslcache)
+{
+  if(pslcache->psl) {
+    if(pslcache->dynamic)
+      psl_free((psl_ctx_t *) pslcache->psl);
+    pslcache->psl = NULL;
+    pslcache->dynamic = FALSE;
+  }
+}
+
+static time_t now_seconds(void)
+{
+  struct curltime now = Curl_now();
+
+  return now.tv_sec;
+}
+
+const psl_ctx_t *Curl_psl_use(struct Curl_easy *easy)
+{
+  struct PslCache *pslcache = easy->psl;
+  const psl_ctx_t *psl;
+  time_t now;
+
+  if(!pslcache)
+    return NULL;
+
+  Curl_share_lock(easy, CURL_LOCK_DATA_PSL, CURL_LOCK_ACCESS_SHARED);
+  now = now_seconds();
+  if(!pslcache->psl || pslcache->expires <= now) {
+    /* Let a chance to other threads to do the job: avoids deadlock. */
+    Curl_share_unlock(easy, CURL_LOCK_DATA_PSL);
+
+    /* Update cache: this needs an exclusive lock. */
+    Curl_share_lock(easy, CURL_LOCK_DATA_PSL, CURL_LOCK_ACCESS_SINGLE);
+
+    /* Recheck in case another thread did the job. */
+    now = now_seconds();
+    if(!pslcache->psl || pslcache->expires <= now) {
+      bool dynamic = FALSE;
+      time_t expires = TIME_T_MAX;
+
+#if defined(PSL_VERSION_NUMBER) && PSL_VERSION_NUMBER >= 0x001000
+      psl = psl_latest(NULL);
+      dynamic = psl != NULL;
+      /* Take care of possible time computation overflow. */
+      expires = now < TIME_T_MAX - PSL_TTL? now + PSL_TTL: TIME_T_MAX;
+
+      /* Only get the built-in PSL if we do not already have the "latest". */
+      if(!psl && !pslcache->dynamic)
+#endif
+
+        psl = psl_builtin();
+
+      if(psl) {
+        Curl_psl_destroy(pslcache);
+        pslcache->psl = psl;
+        pslcache->dynamic = dynamic;
+        pslcache->expires = expires;
+      }
+    }
+    Curl_share_unlock(easy, CURL_LOCK_DATA_PSL);  /* Release exclusive lock. */
+    Curl_share_lock(easy, CURL_LOCK_DATA_PSL, CURL_LOCK_ACCESS_SHARED);
+  }
+  psl = pslcache->psl;
+  if(!psl)
+    Curl_share_unlock(easy, CURL_LOCK_DATA_PSL);
+  return psl;
+}
+
+void Curl_psl_release(struct Curl_easy *easy)
+{
+  Curl_share_unlock(easy, CURL_LOCK_DATA_PSL);
+}
+
+#endif /* USE_LIBPSL */
Index: trunk/src/libs/curl-7.64.0/lib/psl.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/psl.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/psl.h	(revision 85671)
@@ -0,0 +1,47 @@
+#ifndef HEADER_PSL_H
+#define HEADER_PSL_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#ifdef USE_LIBPSL
+#include <libpsl.h>
+
+#define PSL_TTL (72 * 3600)     /* PSL time to live before a refresh. */
+
+struct PslCache {
+  const psl_ctx_t *psl; /* The PSL. */
+  time_t expires; /* Time this PSL life expires. */
+  bool dynamic; /* PSL should be released when no longer needed. */
+};
+
+const psl_ctx_t *Curl_psl_use(struct Curl_easy *easy);
+void Curl_psl_release(struct Curl_easy *easy);
+void Curl_psl_destroy(struct PslCache *pslcache);
+
+#else
+
+#define Curl_psl_use(easy) NULL
+#define Curl_psl_release(easy)
+#define Curl_psl_destroy(pslcache)
+
+#endif /* USE_LIBPSL */
+#endif /* HEADER_PSL_H */
Index: trunk/src/libs/curl-7.64.0/lib/rand.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/rand.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/rand.c	(revision 85671)
@@ -0,0 +1,187 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+
+#include <curl/curl.h>
+#include "vtls/vtls.h"
+#include "sendf.h"
+#include "rand.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+static CURLcode randit(struct Curl_easy *data, unsigned int *rnd)
+{
+  unsigned int r;
+  CURLcode result = CURLE_OK;
+  static unsigned int randseed;
+  static bool seeded = FALSE;
+
+#ifdef CURLDEBUG
+  char *force_entropy = getenv("CURL_ENTROPY");
+  if(force_entropy) {
+    if(!seeded) {
+      unsigned int seed = 0;
+      size_t elen = strlen(force_entropy);
+      size_t clen = sizeof(seed);
+      size_t min = elen < clen ? elen : clen;
+      memcpy((char *)&seed, force_entropy, min);
+      randseed = ntohl(seed);
+      seeded = TRUE;
+    }
+    else
+      randseed++;
+    *rnd = randseed;
+    return CURLE_OK;
+  }
+#endif
+
+  /* data may be NULL! */
+  result = Curl_ssl_random(data, (unsigned char *)rnd, sizeof(*rnd));
+  if(result != CURLE_NOT_BUILT_IN)
+    /* only if there is no random function in the TLS backend do the non crypto
+       version, otherwise return result */
+    return result;
+
+  /* ---- non-cryptographic version following ---- */
+
+#ifdef RANDOM_FILE
+  if(!seeded) {
+    /* if there's a random file to read a seed from, use it */
+    int fd = open(RANDOM_FILE, O_RDONLY);
+    if(fd > -1) {
+      /* read random data into the randseed variable */
+      ssize_t nread = read(fd, &randseed, sizeof(randseed));
+      if(nread == sizeof(randseed))
+        seeded = TRUE;
+      close(fd);
+    }
+  }
+#endif
+
+  if(!seeded) {
+    struct curltime now = Curl_now();
+    infof(data, "WARNING: Using weak random seed\n");
+    randseed += (unsigned int)now.tv_usec + (unsigned int)now.tv_sec;
+    randseed = randseed * 1103515245 + 12345;
+    randseed = randseed * 1103515245 + 12345;
+    randseed = randseed * 1103515245 + 12345;
+    seeded = TRUE;
+  }
+
+  /* Return an unsigned 32-bit pseudo-random number. */
+  r = randseed = randseed * 1103515245 + 12345;
+  *rnd = (r << 16) | ((r >> 16) & 0xFFFF);
+  return CURLE_OK;
+}
+
+/*
+ * Curl_rand() stores 'num' number of random unsigned integers in the buffer
+ * 'rndptr' points to.
+ *
+ * If libcurl is built without TLS support or with a TLS backend that lacks a
+ * proper random API (Gskit, PolarSSL or mbedTLS), this function will use
+ * "weak" random.
+ *
+ * When built *with* TLS support and a backend that offers strong random, it
+ * will return error if it cannot provide strong random values.
+ *
+ * NOTE: 'data' may be passed in as NULL when coming from external API without
+ * easy handle!
+ *
+ */
+
+CURLcode Curl_rand(struct Curl_easy *data, unsigned char *rnd, size_t num)
+{
+  CURLcode result = CURLE_BAD_FUNCTION_ARGUMENT;
+
+  DEBUGASSERT(num > 0);
+
+  while(num) {
+    unsigned int r;
+    size_t left = num < sizeof(unsigned int) ? num : sizeof(unsigned int);
+
+    result = randit(data, &r);
+    if(result)
+      return result;
+
+    while(left) {
+      *rnd++ = (unsigned char)(r & 0xFF);
+      r >>= 8;
+      --num;
+      --left;
+    }
+  }
+
+  return result;
+}
+
+/*
+ * Curl_rand_hex() fills the 'rnd' buffer with a given 'num' size with random
+ * hexadecimal digits PLUS a zero terminating byte. It must be an odd number
+ * size.
+ */
+
+CURLcode Curl_rand_hex(struct Curl_easy *data, unsigned char *rnd,
+                       size_t num)
+{
+  CURLcode result = CURLE_BAD_FUNCTION_ARGUMENT;
+  const char *hex = "0123456789abcdef";
+  unsigned char buffer[128];
+  unsigned char *bufp = buffer;
+  DEBUGASSERT(num > 1);
+
+#ifdef __clang_analyzer__
+  /* This silences a scan-build warning about accessing this buffer with
+     uninitialized memory. */
+  memset(buffer, 0, sizeof(buffer));
+#endif
+
+  if((num/2 >= sizeof(buffer)) || !(num&1))
+    /* make sure it fits in the local buffer and that it is an odd number! */
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+
+  num--; /* save one for zero termination */
+
+  result = Curl_rand(data, buffer, num/2);
+  if(result)
+    return result;
+
+  while(num) {
+    /* clang-tidy warns on this line without this comment: */
+    /* NOLINTNEXTLINE(clang-analyzer-core.UndefinedBinaryOperatorResult) */
+    *rnd++ = hex[(*bufp & 0xF0)>>4];
+    *rnd++ = hex[*bufp & 0x0F];
+    bufp++;
+    num -= 2;
+  }
+  *rnd = 0;
+
+  return result;
+}
Index: trunk/src/libs/curl-7.64.0/lib/rand.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/rand.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/rand.h	(revision 85671)
@@ -0,0 +1,47 @@
+#ifndef HEADER_CURL_RAND_H
+#define HEADER_CURL_RAND_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Curl_rand() stores 'num' number of random unsigned characters in the buffer
+ * 'rnd' points to.
+ *
+ * If libcurl is built without TLS support or with a TLS backend that lacks a
+ * proper random API (Gskit, PolarSSL or mbedTLS), this function will use
+ * "weak" random.
+ *
+ * When built *with* TLS support and a backend that offers strong random, it
+ * will return error if it cannot provide strong random values.
+ *
+ * NOTE: 'data' may be passed in as NULL when coming from external API without
+ * easy handle!
+ *
+ */
+CURLcode Curl_rand(struct Curl_easy *data, unsigned char *rnd, size_t num);
+
+/* Same as above but outputs only random lowercase hex characters.
+   Does NOT terminate.*/
+CURLcode Curl_rand_hex(struct Curl_easy *data, unsigned char *rnd,
+                       size_t num);
+
+#endif /* HEADER_CURL_RAND_H */
Index: trunk/src/libs/curl-7.64.0/lib/rtsp.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/rtsp.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/rtsp.c	(revision 85671)
@@ -0,0 +1,850 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_RTSP
+
+#include "urldata.h"
+#include <curl/curl.h>
+#include "transfer.h"
+#include "sendf.h"
+#include "multiif.h"
+#include "http.h"
+#include "url.h"
+#include "progress.h"
+#include "rtsp.h"
+#include "strcase.h"
+#include "select.h"
+#include "connect.h"
+#include "strdup.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * TODO (general)
+ *  -incoming server requests
+ *      -server CSeq counter
+ *  -digest authentication
+ *  -connect through proxy
+ *  -pipelining?
+ */
+
+
+#define RTP_PKT_CHANNEL(p)   ((int)((unsigned char)((p)[1])))
+
+#define RTP_PKT_LENGTH(p)  ((((int)((unsigned char)((p)[2]))) << 8) | \
+                             ((int)((unsigned char)((p)[3]))))
+
+/* protocol-specific functions set up to be called by the main engine */
+static CURLcode rtsp_do(struct connectdata *conn, bool *done);
+static CURLcode rtsp_done(struct connectdata *conn, CURLcode, bool premature);
+static CURLcode rtsp_connect(struct connectdata *conn, bool *done);
+static CURLcode rtsp_disconnect(struct connectdata *conn, bool dead);
+
+static int rtsp_getsock_do(struct connectdata *conn,
+                           curl_socket_t *socks,
+                           int numsocks);
+
+/*
+ * Parse and write out any available RTP data.
+ *
+ * nread: amount of data left after k->str. will be modified if RTP
+ *        data is parsed and k->str is moved up
+ * readmore: whether or not the RTP parser needs more data right away
+ */
+static CURLcode rtsp_rtp_readwrite(struct Curl_easy *data,
+                                   struct connectdata *conn,
+                                   ssize_t *nread,
+                                   bool *readmore);
+
+static CURLcode rtsp_setup_connection(struct connectdata *conn);
+
+bool rtsp_connisdead(struct connectdata *check);
+static unsigned int rtsp_conncheck(struct connectdata *check,
+                                   unsigned int checks_to_perform);
+
+/* this returns the socket to wait for in the DO and DOING state for the multi
+   interface and then we're always _sending_ a request and thus we wait for
+   the single socket to become writable only */
+static int rtsp_getsock_do(struct connectdata *conn,
+                           curl_socket_t *socks,
+                           int numsocks)
+{
+  /* write mode */
+  (void)numsocks; /* unused, we trust it to be at least 1 */
+  socks[0] = conn->sock[FIRSTSOCKET];
+  return GETSOCK_WRITESOCK(0);
+}
+
+static
+CURLcode rtp_client_write(struct connectdata *conn, char *ptr, size_t len);
+
+
+/*
+ * RTSP handler interface.
+ */
+const struct Curl_handler Curl_handler_rtsp = {
+  "RTSP",                               /* scheme */
+  rtsp_setup_connection,                /* setup_connection */
+  rtsp_do,                              /* do_it */
+  rtsp_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  rtsp_connect,                         /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  rtsp_getsock_do,                      /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  rtsp_disconnect,                      /* disconnect */
+  rtsp_rtp_readwrite,                   /* readwrite */
+  rtsp_conncheck,                       /* connection_check */
+  PORT_RTSP,                            /* defport */
+  CURLPROTO_RTSP,                       /* protocol */
+  PROTOPT_NONE                          /* flags */
+};
+
+
+static CURLcode rtsp_setup_connection(struct connectdata *conn)
+{
+  struct RTSP *rtsp;
+
+  conn->data->req.protop = rtsp = calloc(1, sizeof(struct RTSP));
+  if(!rtsp)
+    return CURLE_OUT_OF_MEMORY;
+
+  return CURLE_OK;
+}
+
+
+/*
+ * The server may send us RTP data at any point, and RTSPREQ_RECEIVE does not
+ * want to block the application forever while receiving a stream. Therefore,
+ * we cannot assume that an RTSP socket is dead just because it is readable.
+ *
+ * Instead, if it is readable, run Curl_connalive() to peek at the socket
+ * and distinguish between closed and data.
+ */
+bool rtsp_connisdead(struct connectdata *check)
+{
+  int sval;
+  bool ret_val = TRUE;
+
+  sval = SOCKET_READABLE(check->sock[FIRSTSOCKET], 0);
+  if(sval == 0) {
+    /* timeout */
+    ret_val = FALSE;
+  }
+  else if(sval & CURL_CSELECT_ERR) {
+    /* socket is in an error state */
+    ret_val = TRUE;
+  }
+  else if(sval & CURL_CSELECT_IN) {
+    /* readable with no error. could still be closed */
+    ret_val = !Curl_connalive(check);
+  }
+
+  return ret_val;
+}
+
+/*
+ * Function to check on various aspects of a connection.
+ */
+static unsigned int rtsp_conncheck(struct connectdata *check,
+                                   unsigned int checks_to_perform)
+{
+  unsigned int ret_val = CONNRESULT_NONE;
+
+  if(checks_to_perform & CONNCHECK_ISDEAD) {
+    if(rtsp_connisdead(check))
+      ret_val |= CONNRESULT_DEAD;
+  }
+
+  return ret_val;
+}
+
+
+static CURLcode rtsp_connect(struct connectdata *conn, bool *done)
+{
+  CURLcode httpStatus;
+  struct Curl_easy *data = conn->data;
+
+  httpStatus = Curl_http_connect(conn, done);
+
+  /* Initialize the CSeq if not already done */
+  if(data->state.rtsp_next_client_CSeq == 0)
+    data->state.rtsp_next_client_CSeq = 1;
+  if(data->state.rtsp_next_server_CSeq == 0)
+    data->state.rtsp_next_server_CSeq = 1;
+
+  conn->proto.rtspc.rtp_channel = -1;
+
+  return httpStatus;
+}
+
+static CURLcode rtsp_disconnect(struct connectdata *conn, bool dead)
+{
+  (void) dead;
+  Curl_safefree(conn->proto.rtspc.rtp_buf);
+  return CURLE_OK;
+}
+
+
+static CURLcode rtsp_done(struct connectdata *conn,
+                          CURLcode status, bool premature)
+{
+  struct Curl_easy *data = conn->data;
+  struct RTSP *rtsp = data->req.protop;
+  CURLcode httpStatus;
+
+  /* Bypass HTTP empty-reply checks on receive */
+  if(data->set.rtspreq == RTSPREQ_RECEIVE)
+    premature = TRUE;
+
+  httpStatus = Curl_http_done(conn, status, premature);
+
+  if(rtsp) {
+    /* Check the sequence numbers */
+    long CSeq_sent = rtsp->CSeq_sent;
+    long CSeq_recv = rtsp->CSeq_recv;
+    if((data->set.rtspreq != RTSPREQ_RECEIVE) && (CSeq_sent != CSeq_recv)) {
+      failf(data,
+            "The CSeq of this request %ld did not match the response %ld",
+            CSeq_sent, CSeq_recv);
+      return CURLE_RTSP_CSEQ_ERROR;
+    }
+    if(data->set.rtspreq == RTSPREQ_RECEIVE &&
+            (conn->proto.rtspc.rtp_channel == -1)) {
+      infof(data, "Got an RTP Receive with a CSeq of %ld\n", CSeq_recv);
+      /* TODO CPC: Server -> Client logic here */
+    }
+  }
+
+  return httpStatus;
+}
+
+static CURLcode rtsp_do(struct connectdata *conn, bool *done)
+{
+  struct Curl_easy *data = conn->data;
+  CURLcode result = CURLE_OK;
+  Curl_RtspReq rtspreq = data->set.rtspreq;
+  struct RTSP *rtsp = data->req.protop;
+  struct HTTP *http;
+  Curl_send_buffer *req_buffer;
+  curl_off_t postsize = 0; /* for ANNOUNCE and SET_PARAMETER */
+  curl_off_t putsize = 0; /* for ANNOUNCE and SET_PARAMETER */
+
+  const char *p_request = NULL;
+  const char *p_session_id = NULL;
+  const char *p_accept = NULL;
+  const char *p_accept_encoding = NULL;
+  const char *p_range = NULL;
+  const char *p_referrer = NULL;
+  const char *p_stream_uri = NULL;
+  const char *p_transport = NULL;
+  const char *p_uagent = NULL;
+  const char *p_proxyuserpwd = NULL;
+  const char *p_userpwd = NULL;
+
+  *done = TRUE;
+
+  http = &(rtsp->http_wrapper);
+  /* Assert that no one has changed the RTSP struct in an evil way */
+  DEBUGASSERT((void *)http == (void *)rtsp);
+
+  rtsp->CSeq_sent = data->state.rtsp_next_client_CSeq;
+  rtsp->CSeq_recv = 0;
+
+  /* Setup the 'p_request' pointer to the proper p_request string
+   * Since all RTSP requests are included here, there is no need to
+   * support custom requests like HTTP.
+   **/
+  data->set.opt_no_body = TRUE; /* most requests don't contain a body */
+  switch(rtspreq) {
+  default:
+    failf(data, "Got invalid RTSP request");
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+  case RTSPREQ_OPTIONS:
+    p_request = "OPTIONS";
+    break;
+  case RTSPREQ_DESCRIBE:
+    p_request = "DESCRIBE";
+    data->set.opt_no_body = FALSE;
+    break;
+  case RTSPREQ_ANNOUNCE:
+    p_request = "ANNOUNCE";
+    break;
+  case RTSPREQ_SETUP:
+    p_request = "SETUP";
+    break;
+  case RTSPREQ_PLAY:
+    p_request = "PLAY";
+    break;
+  case RTSPREQ_PAUSE:
+    p_request = "PAUSE";
+    break;
+  case RTSPREQ_TEARDOWN:
+    p_request = "TEARDOWN";
+    break;
+  case RTSPREQ_GET_PARAMETER:
+    /* GET_PARAMETER's no_body status is determined later */
+    p_request = "GET_PARAMETER";
+    data->set.opt_no_body = FALSE;
+    break;
+  case RTSPREQ_SET_PARAMETER:
+    p_request = "SET_PARAMETER";
+    break;
+  case RTSPREQ_RECORD:
+    p_request = "RECORD";
+    break;
+  case RTSPREQ_RECEIVE:
+    p_request = "";
+    /* Treat interleaved RTP as body*/
+    data->set.opt_no_body = FALSE;
+    break;
+  case RTSPREQ_LAST:
+    failf(data, "Got invalid RTSP request: RTSPREQ_LAST");
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+  }
+
+  if(rtspreq == RTSPREQ_RECEIVE) {
+    Curl_setup_transfer(conn, FIRSTSOCKET, -1, TRUE,
+                        &http->readbytecount, -1, NULL);
+
+    return result;
+  }
+
+  p_session_id = data->set.str[STRING_RTSP_SESSION_ID];
+  if(!p_session_id &&
+     (rtspreq & ~(RTSPREQ_OPTIONS | RTSPREQ_DESCRIBE | RTSPREQ_SETUP))) {
+    failf(data, "Refusing to issue an RTSP request [%s] without a session ID.",
+          p_request);
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+  }
+
+  /* TODO: proxy? */
+
+  /* Stream URI. Default to server '*' if not specified */
+  if(data->set.str[STRING_RTSP_STREAM_URI]) {
+    p_stream_uri = data->set.str[STRING_RTSP_STREAM_URI];
+  }
+  else {
+    p_stream_uri = "*";
+  }
+
+  /* Transport Header for SETUP requests */
+  p_transport = Curl_checkheaders(conn, "Transport");
+  if(rtspreq == RTSPREQ_SETUP && !p_transport) {
+    /* New Transport: setting? */
+    if(data->set.str[STRING_RTSP_TRANSPORT]) {
+      Curl_safefree(conn->allocptr.rtsp_transport);
+
+      conn->allocptr.rtsp_transport =
+        aprintf("Transport: %s\r\n",
+                data->set.str[STRING_RTSP_TRANSPORT]);
+      if(!conn->allocptr.rtsp_transport)
+        return CURLE_OUT_OF_MEMORY;
+    }
+    else {
+      failf(data,
+            "Refusing to issue an RTSP SETUP without a Transport: header.");
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    }
+
+    p_transport = conn->allocptr.rtsp_transport;
+  }
+
+  /* Accept Headers for DESCRIBE requests */
+  if(rtspreq == RTSPREQ_DESCRIBE) {
+    /* Accept Header */
+    p_accept = Curl_checkheaders(conn, "Accept")?
+      NULL:"Accept: application/sdp\r\n";
+
+    /* Accept-Encoding header */
+    if(!Curl_checkheaders(conn, "Accept-Encoding") &&
+       data->set.str[STRING_ENCODING]) {
+      Curl_safefree(conn->allocptr.accept_encoding);
+      conn->allocptr.accept_encoding =
+        aprintf("Accept-Encoding: %s\r\n", data->set.str[STRING_ENCODING]);
+
+      if(!conn->allocptr.accept_encoding)
+        return CURLE_OUT_OF_MEMORY;
+
+      p_accept_encoding = conn->allocptr.accept_encoding;
+    }
+  }
+
+  /* The User-Agent string might have been allocated in url.c already, because
+     it might have been used in the proxy connect, but if we have got a header
+     with the user-agent string specified, we erase the previously made string
+     here. */
+  if(Curl_checkheaders(conn, "User-Agent") && conn->allocptr.uagent) {
+    Curl_safefree(conn->allocptr.uagent);
+    conn->allocptr.uagent = NULL;
+  }
+  else if(!Curl_checkheaders(conn, "User-Agent") &&
+          data->set.str[STRING_USERAGENT]) {
+    p_uagent = conn->allocptr.uagent;
+  }
+
+  /* setup the authentication headers */
+  result = Curl_http_output_auth(conn, p_request, p_stream_uri, FALSE);
+  if(result)
+    return result;
+
+  p_proxyuserpwd = conn->allocptr.proxyuserpwd;
+  p_userpwd = conn->allocptr.userpwd;
+
+  /* Referrer */
+  Curl_safefree(conn->allocptr.ref);
+  if(data->change.referer && !Curl_checkheaders(conn, "Referer"))
+    conn->allocptr.ref = aprintf("Referer: %s\r\n", data->change.referer);
+  else
+    conn->allocptr.ref = NULL;
+
+  p_referrer = conn->allocptr.ref;
+
+  /*
+   * Range Header
+   * Only applies to PLAY, PAUSE, RECORD
+   *
+   * Go ahead and use the Range stuff supplied for HTTP
+   */
+  if(data->state.use_range &&
+     (rtspreq  & (RTSPREQ_PLAY | RTSPREQ_PAUSE | RTSPREQ_RECORD))) {
+
+    /* Check to see if there is a range set in the custom headers */
+    if(!Curl_checkheaders(conn, "Range") && data->state.range) {
+      Curl_safefree(conn->allocptr.rangeline);
+      conn->allocptr.rangeline = aprintf("Range: %s\r\n", data->state.range);
+      p_range = conn->allocptr.rangeline;
+    }
+  }
+
+  /*
+   * Sanity check the custom headers
+   */
+  if(Curl_checkheaders(conn, "CSeq")) {
+    failf(data, "CSeq cannot be set as a custom header.");
+    return CURLE_RTSP_CSEQ_ERROR;
+  }
+  if(Curl_checkheaders(conn, "Session")) {
+    failf(data, "Session ID cannot be set as a custom header.");
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+  }
+
+  /* Initialize a dynamic send buffer */
+  req_buffer = Curl_add_buffer_init();
+
+  if(!req_buffer)
+    return CURLE_OUT_OF_MEMORY;
+
+  result =
+    Curl_add_bufferf(&req_buffer,
+                     "%s %s RTSP/1.0\r\n" /* Request Stream-URI RTSP/1.0 */
+                     "CSeq: %ld\r\n", /* CSeq */
+                     p_request, p_stream_uri, rtsp->CSeq_sent);
+  if(result)
+    return result;
+
+  /*
+   * Rather than do a normal alloc line, keep the session_id unformatted
+   * to make comparison easier
+   */
+  if(p_session_id) {
+    result = Curl_add_bufferf(&req_buffer, "Session: %s\r\n", p_session_id);
+    if(result)
+      return result;
+  }
+
+  /*
+   * Shared HTTP-like options
+   */
+  result = Curl_add_bufferf(&req_buffer,
+                            "%s" /* transport */
+                            "%s" /* accept */
+                            "%s" /* accept-encoding */
+                            "%s" /* range */
+                            "%s" /* referrer */
+                            "%s" /* user-agent */
+                            "%s" /* proxyuserpwd */
+                            "%s" /* userpwd */
+                            ,
+                            p_transport ? p_transport : "",
+                            p_accept ? p_accept : "",
+                            p_accept_encoding ? p_accept_encoding : "",
+                            p_range ? p_range : "",
+                            p_referrer ? p_referrer : "",
+                            p_uagent ? p_uagent : "",
+                            p_proxyuserpwd ? p_proxyuserpwd : "",
+                            p_userpwd ? p_userpwd : "");
+
+  /*
+   * Free userpwd now --- cannot reuse this for Negotiate and possibly NTLM
+   * with basic and digest, it will be freed anyway by the next request
+   */
+  Curl_safefree(conn->allocptr.userpwd);
+  conn->allocptr.userpwd = NULL;
+
+  if(result)
+    return result;
+
+  if((rtspreq == RTSPREQ_SETUP) || (rtspreq == RTSPREQ_DESCRIBE)) {
+    result = Curl_add_timecondition(data, req_buffer);
+    if(result)
+      return result;
+  }
+
+  result = Curl_add_custom_headers(conn, FALSE, req_buffer);
+  if(result)
+    return result;
+
+  if(rtspreq == RTSPREQ_ANNOUNCE ||
+     rtspreq == RTSPREQ_SET_PARAMETER ||
+     rtspreq == RTSPREQ_GET_PARAMETER) {
+
+    if(data->set.upload) {
+      putsize = data->state.infilesize;
+      data->set.httpreq = HTTPREQ_PUT;
+
+    }
+    else {
+      postsize = (data->state.infilesize != -1)?
+        data->state.infilesize:
+        (data->set.postfields? (curl_off_t)strlen(data->set.postfields):0);
+      data->set.httpreq = HTTPREQ_POST;
+    }
+
+    if(putsize > 0 || postsize > 0) {
+      /* As stated in the http comments, it is probably not wise to
+       * actually set a custom Content-Length in the headers */
+      if(!Curl_checkheaders(conn, "Content-Length")) {
+        result =
+          Curl_add_bufferf(&req_buffer,
+                           "Content-Length: %" CURL_FORMAT_CURL_OFF_T"\r\n",
+                           (data->set.upload ? putsize : postsize));
+        if(result)
+          return result;
+      }
+
+      if(rtspreq == RTSPREQ_SET_PARAMETER ||
+         rtspreq == RTSPREQ_GET_PARAMETER) {
+        if(!Curl_checkheaders(conn, "Content-Type")) {
+          result = Curl_add_bufferf(&req_buffer,
+                                    "Content-Type: text/parameters\r\n");
+          if(result)
+            return result;
+        }
+      }
+
+      if(rtspreq == RTSPREQ_ANNOUNCE) {
+        if(!Curl_checkheaders(conn, "Content-Type")) {
+          result = Curl_add_bufferf(&req_buffer,
+                                    "Content-Type: application/sdp\r\n");
+          if(result)
+            return result;
+        }
+      }
+
+      data->state.expect100header = FALSE; /* RTSP posts are simple/small */
+    }
+    else if(rtspreq == RTSPREQ_GET_PARAMETER) {
+      /* Check for an empty GET_PARAMETER (heartbeat) request */
+      data->set.httpreq = HTTPREQ_HEAD;
+      data->set.opt_no_body = TRUE;
+    }
+  }
+
+  /* RTSP never allows chunked transfer */
+  data->req.forbidchunk = TRUE;
+  /* Finish the request buffer */
+  result = Curl_add_buffer(&req_buffer, "\r\n", 2);
+  if(result)
+    return result;
+
+  if(postsize > 0) {
+    result = Curl_add_buffer(&req_buffer, data->set.postfields,
+                             (size_t)postsize);
+    if(result)
+      return result;
+  }
+
+  /* issue the request */
+  result = Curl_add_buffer_send(&req_buffer, conn,
+                                &data->info.request_size, 0, FIRSTSOCKET);
+  if(result) {
+    failf(data, "Failed sending RTSP request");
+    return result;
+  }
+
+  Curl_setup_transfer(conn, FIRSTSOCKET, -1, TRUE, &http->readbytecount,
+                      putsize?FIRSTSOCKET:-1,
+                      putsize?&http->writebytecount:NULL);
+
+  /* Increment the CSeq on success */
+  data->state.rtsp_next_client_CSeq++;
+
+  if(http->writebytecount) {
+    /* if a request-body has been sent off, we make sure this progress is
+       noted properly */
+    Curl_pgrsSetUploadCounter(data, http->writebytecount);
+    if(Curl_pgrsUpdate(conn))
+      result = CURLE_ABORTED_BY_CALLBACK;
+  }
+
+  return result;
+}
+
+
+static CURLcode rtsp_rtp_readwrite(struct Curl_easy *data,
+                                   struct connectdata *conn,
+                                   ssize_t *nread,
+                                   bool *readmore) {
+  struct SingleRequest *k = &data->req;
+  struct rtsp_conn *rtspc = &(conn->proto.rtspc);
+
+  char *rtp; /* moving pointer to rtp data */
+  ssize_t rtp_dataleft; /* how much data left to parse in this round */
+  char *scratch;
+  CURLcode result;
+
+  if(rtspc->rtp_buf) {
+    /* There was some leftover data the last time. Merge buffers */
+    char *newptr = Curl_saferealloc(rtspc->rtp_buf,
+                                    rtspc->rtp_bufsize + *nread);
+    if(!newptr) {
+      rtspc->rtp_buf = NULL;
+      rtspc->rtp_bufsize = 0;
+      return CURLE_OUT_OF_MEMORY;
+    }
+    rtspc->rtp_buf = newptr;
+    memcpy(rtspc->rtp_buf + rtspc->rtp_bufsize, k->str, *nread);
+    rtspc->rtp_bufsize += *nread;
+    rtp = rtspc->rtp_buf;
+    rtp_dataleft = rtspc->rtp_bufsize;
+  }
+  else {
+    /* Just parse the request buffer directly */
+    rtp = k->str;
+    rtp_dataleft = *nread;
+  }
+
+  while((rtp_dataleft > 0) &&
+        (rtp[0] == '$')) {
+    if(rtp_dataleft > 4) {
+      int rtp_length;
+
+      /* Parse the header */
+      /* The channel identifier immediately follows and is 1 byte */
+      rtspc->rtp_channel = RTP_PKT_CHANNEL(rtp);
+
+      /* The length is two bytes */
+      rtp_length = RTP_PKT_LENGTH(rtp);
+
+      if(rtp_dataleft < rtp_length + 4) {
+        /* Need more - incomplete payload*/
+        *readmore = TRUE;
+        break;
+      }
+      /* We have the full RTP interleaved packet
+       * Write out the header including the leading '$' */
+      DEBUGF(infof(data, "RTP write channel %d rtp_length %d\n",
+             rtspc->rtp_channel, rtp_length));
+      result = rtp_client_write(conn, &rtp[0], rtp_length + 4);
+      if(result) {
+        failf(data, "Got an error writing an RTP packet");
+        *readmore = FALSE;
+        Curl_safefree(rtspc->rtp_buf);
+        rtspc->rtp_buf = NULL;
+        rtspc->rtp_bufsize = 0;
+        return result;
+      }
+
+      /* Move forward in the buffer */
+      rtp_dataleft -= rtp_length + 4;
+      rtp += rtp_length + 4;
+
+      if(data->set.rtspreq == RTSPREQ_RECEIVE) {
+        /* If we are in a passive receive, give control back
+         * to the app as often as we can.
+         */
+        k->keepon &= ~KEEP_RECV;
+      }
+    }
+    else {
+      /* Need more - incomplete header */
+      *readmore = TRUE;
+      break;
+    }
+  }
+
+  if(rtp_dataleft != 0 && rtp[0] == '$') {
+    DEBUGF(infof(data, "RTP Rewinding %zd %s\n", rtp_dataleft,
+          *readmore ? "(READMORE)" : ""));
+
+    /* Store the incomplete RTP packet for a "rewind" */
+    scratch = malloc(rtp_dataleft);
+    if(!scratch) {
+      Curl_safefree(rtspc->rtp_buf);
+      rtspc->rtp_buf = NULL;
+      rtspc->rtp_bufsize = 0;
+      return CURLE_OUT_OF_MEMORY;
+    }
+    memcpy(scratch, rtp, rtp_dataleft);
+    Curl_safefree(rtspc->rtp_buf);
+    rtspc->rtp_buf = scratch;
+    rtspc->rtp_bufsize = rtp_dataleft;
+
+    /* As far as the transfer is concerned, this data is consumed */
+    *nread = 0;
+    return CURLE_OK;
+  }
+  /* Fix up k->str to point just after the last RTP packet */
+  k->str += *nread - rtp_dataleft;
+
+  /* either all of the data has been read or...
+   * rtp now points at the next byte to parse
+   */
+  if(rtp_dataleft > 0)
+    DEBUGASSERT(k->str[0] == rtp[0]);
+
+  DEBUGASSERT(rtp_dataleft <= *nread); /* sanity check */
+
+  *nread = rtp_dataleft;
+
+  /* If we get here, we have finished with the leftover/merge buffer */
+  Curl_safefree(rtspc->rtp_buf);
+  rtspc->rtp_buf = NULL;
+  rtspc->rtp_bufsize = 0;
+
+  return CURLE_OK;
+}
+
+static
+CURLcode rtp_client_write(struct connectdata *conn, char *ptr, size_t len)
+{
+  struct Curl_easy *data = conn->data;
+  size_t wrote;
+  curl_write_callback writeit;
+  void *user_ptr;
+
+  if(len == 0) {
+    failf(data, "Cannot write a 0 size RTP packet.");
+    return CURLE_WRITE_ERROR;
+  }
+
+  /* If the user has configured CURLOPT_INTERLEAVEFUNCTION then use that
+     function and any configured CURLOPT_INTERLEAVEDATA to write out the RTP
+     data. Otherwise, use the CURLOPT_WRITEFUNCTION with the CURLOPT_WRITEDATA
+     pointer to write out the RTP data. */
+  if(data->set.fwrite_rtp) {
+    writeit = data->set.fwrite_rtp;
+    user_ptr = data->set.rtp_out;
+  }
+  else {
+    writeit = data->set.fwrite_func;
+    user_ptr = data->set.out;
+  }
+
+  Curl_set_in_callback(data, true);
+  wrote = writeit(ptr, 1, len, user_ptr);
+  Curl_set_in_callback(data, false);
+
+  if(CURL_WRITEFUNC_PAUSE == wrote) {
+    failf(data, "Cannot pause RTP");
+    return CURLE_WRITE_ERROR;
+  }
+
+  if(wrote != len) {
+    failf(data, "Failed writing RTP data");
+    return CURLE_WRITE_ERROR;
+  }
+
+  return CURLE_OK;
+}
+
+CURLcode Curl_rtsp_parseheader(struct connectdata *conn,
+                               char *header)
+{
+  struct Curl_easy *data = conn->data;
+  long CSeq = 0;
+
+  if(checkprefix("CSeq:", header)) {
+    /* Store the received CSeq. Match is verified in rtsp_done */
+    int nc = sscanf(&header[4], ": %ld", &CSeq);
+    if(nc == 1) {
+      struct RTSP *rtsp = data->req.protop;
+      rtsp->CSeq_recv = CSeq; /* mark the request */
+      data->state.rtsp_CSeq_recv = CSeq; /* update the handle */
+    }
+    else {
+      failf(data, "Unable to read the CSeq header: [%s]", header);
+      return CURLE_RTSP_CSEQ_ERROR;
+    }
+  }
+  else if(checkprefix("Session:", header)) {
+    char *start;
+
+    /* Find the first non-space letter */
+    start = header + 8;
+    while(*start && ISSPACE(*start))
+      start++;
+
+    if(!*start) {
+      failf(data, "Got a blank Session ID");
+    }
+    else if(data->set.str[STRING_RTSP_SESSION_ID]) {
+      /* If the Session ID is set, then compare */
+      if(strncmp(start, data->set.str[STRING_RTSP_SESSION_ID],
+                 strlen(data->set.str[STRING_RTSP_SESSION_ID]))  != 0) {
+        failf(data, "Got RTSP Session ID Line [%s], but wanted ID [%s]",
+              start, data->set.str[STRING_RTSP_SESSION_ID]);
+        return CURLE_RTSP_SESSION_ERROR;
+      }
+    }
+    else {
+      /* If the Session ID is not set, and we find it in a response, then set
+       * it.
+       *
+       * Allow any non whitespace content, up to the field separator or end of
+       * line. RFC 2326 isn't 100% clear on the session ID and for example
+       * gstreamer does url-encoded session ID's not covered by the standard.
+       */
+      char *end = start;
+      while(*end && *end != ';' && !ISSPACE(*end))
+        end++;
+
+      /* Copy the id substring into a new buffer */
+      data->set.str[STRING_RTSP_SESSION_ID] = malloc(end - start + 1);
+      if(data->set.str[STRING_RTSP_SESSION_ID] == NULL)
+        return CURLE_OUT_OF_MEMORY;
+      memcpy(data->set.str[STRING_RTSP_SESSION_ID], start, end - start);
+      (data->set.str[STRING_RTSP_SESSION_ID])[end - start] = '\0';
+    }
+  }
+  return CURLE_OK;
+}
+
+#endif /* CURL_DISABLE_RTSP */
Index: trunk/src/libs/curl-7.64.0/lib/rtsp.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/rtsp.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/rtsp.h	(revision 85671)
@@ -0,0 +1,66 @@
+#ifndef HEADER_CURL_RTSP_H
+#define HEADER_CURL_RTSP_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#ifndef CURL_DISABLE_RTSP
+
+extern const struct Curl_handler Curl_handler_rtsp;
+
+CURLcode Curl_rtsp_parseheader(struct connectdata *conn, char *header);
+
+#else
+/* disabled */
+#define Curl_rtsp_parseheader(x,y) CURLE_NOT_BUILT_IN
+
+#endif /* CURL_DISABLE_RTSP */
+
+/*
+ * RTSP Connection data
+ *
+ * Currently, only used for tracking incomplete RTP data reads
+ */
+struct rtsp_conn {
+  char *rtp_buf;
+  ssize_t rtp_bufsize;
+  int rtp_channel;
+};
+
+/****************************************************************************
+ * RTSP unique setup
+ ***************************************************************************/
+struct RTSP {
+  /*
+   * http_wrapper MUST be the first element of this structure for the wrap
+   * logic to work. In this way, we get a cheap polymorphism because
+   * &(data->state.proto.rtsp) == &(data->state.proto.http) per the C spec
+   *
+   * HTTP functions can safely treat this as an HTTP struct, but RTSP aware
+   * functions can also index into the later elements.
+   */
+  struct HTTP http_wrapper; /*wrap HTTP to do the heavy lifting */
+
+  long CSeq_sent; /* CSeq of this request */
+  long CSeq_recv; /* CSeq received */
+};
+
+
+#endif /* HEADER_CURL_RTSP_H */
Index: trunk/src/libs/curl-7.64.0/lib/security.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/security.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/security.c	(revision 85671)
@@ -0,0 +1,588 @@
+/* This source code was modified by Martin Hedenfalk <mhe@stacken.kth.se> for
+ * use in Curl. His latest changes were done 2000-09-18.
+ *
+ * It has since been patched and modified a lot by Daniel Stenberg
+ * <daniel@haxx.se> to make it better applied to curl conditions, and to make
+ * it not use globals, pollute name space and more. This source code awaits a
+ * rewrite to work around the paragraph 2 in the BSD licenses as explained
+ * below.
+ *
+ * Copyright (c) 1998, 1999, 2017 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ *
+ * Copyright (C) 2001 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.  */
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_FTP
+#ifdef HAVE_GSSAPI
+
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+
+#include <limits.h>
+
+#include "urldata.h"
+#include "curl_base64.h"
+#include "curl_memory.h"
+#include "curl_sec.h"
+#include "ftp.h"
+#include "sendf.h"
+#include "strcase.h"
+#include "warnless.h"
+#include "strdup.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+static const struct {
+  enum protection_level level;
+  const char *name;
+} level_names[] = {
+  { PROT_CLEAR, "clear" },
+  { PROT_SAFE, "safe" },
+  { PROT_CONFIDENTIAL, "confidential" },
+  { PROT_PRIVATE, "private" }
+};
+
+static enum protection_level
+name_to_level(const char *name)
+{
+  int i;
+  for(i = 0; i < (int)sizeof(level_names)/(int)sizeof(level_names[0]); i++)
+    if(checkprefix(name, level_names[i].name))
+      return level_names[i].level;
+  return PROT_NONE;
+}
+
+/* Convert a protocol |level| to its char representation.
+   We take an int to catch programming mistakes. */
+static char level_to_char(int level)
+{
+  switch(level) {
+  case PROT_CLEAR:
+    return 'C';
+  case PROT_SAFE:
+    return 'S';
+  case PROT_CONFIDENTIAL:
+    return 'E';
+  case PROT_PRIVATE:
+    return 'P';
+  case PROT_CMD:
+    /* Fall through */
+  default:
+    /* Those 2 cases should not be reached! */
+    break;
+  }
+  DEBUGASSERT(0);
+  /* Default to the most secure alternative. */
+  return 'P';
+}
+
+/* Send an FTP command defined by |message| and the optional arguments. The
+   function returns the ftp_code. If an error occurs, -1 is returned. */
+static int ftp_send_command(struct connectdata *conn, const char *message, ...)
+{
+  int ftp_code;
+  ssize_t nread = 0;
+  va_list args;
+  char print_buffer[50];
+
+  va_start(args, message);
+  mvsnprintf(print_buffer, sizeof(print_buffer), message, args);
+  va_end(args);
+
+  if(Curl_ftpsend(conn, print_buffer)) {
+    ftp_code = -1;
+  }
+  else {
+    if(Curl_GetFTPResponse(&nread, conn, &ftp_code))
+      ftp_code = -1;
+  }
+
+  (void)nread; /* Unused */
+  return ftp_code;
+}
+
+/* Read |len| from the socket |fd| and store it in |to|. Return a CURLcode
+   saying whether an error occurred or CURLE_OK if |len| was read. */
+static CURLcode
+socket_read(curl_socket_t fd, void *to, size_t len)
+{
+  char *to_p = to;
+  CURLcode result;
+  ssize_t nread;
+
+  while(len > 0) {
+    result = Curl_read_plain(fd, to_p, len, &nread);
+    if(!result) {
+      len -= nread;
+      to_p += nread;
+    }
+    else {
+      /* FIXME: We are doing a busy wait */
+      if(result == CURLE_AGAIN)
+        continue;
+      return result;
+    }
+  }
+  return CURLE_OK;
+}
+
+
+/* Write |len| bytes from the buffer |to| to the socket |fd|. Return a
+   CURLcode saying whether an error occurred or CURLE_OK if |len| was
+   written. */
+static CURLcode
+socket_write(struct connectdata *conn, curl_socket_t fd, const void *to,
+             size_t len)
+{
+  const char *to_p = to;
+  CURLcode result;
+  ssize_t written;
+
+  while(len > 0) {
+    result = Curl_write_plain(conn, fd, to_p, len, &written);
+    if(!result) {
+      len -= written;
+      to_p += written;
+    }
+    else {
+      /* FIXME: We are doing a busy wait */
+      if(result == CURLE_AGAIN)
+        continue;
+      return result;
+    }
+  }
+  return CURLE_OK;
+}
+
+static CURLcode read_data(struct connectdata *conn,
+                          curl_socket_t fd,
+                          struct krb5buffer *buf)
+{
+  int len;
+  void *tmp = NULL;
+  CURLcode result;
+
+  result = socket_read(fd, &len, sizeof(len));
+  if(result)
+    return result;
+
+  if(len) {
+    /* only realloc if there was a length */
+    len = ntohl(len);
+    tmp = Curl_saferealloc(buf->data, len);
+  }
+  if(tmp == NULL)
+    return CURLE_OUT_OF_MEMORY;
+
+  buf->data = tmp;
+  result = socket_read(fd, buf->data, len);
+  if(result)
+    return result;
+  buf->size = conn->mech->decode(conn->app_data, buf->data, len,
+                                 conn->data_prot, conn);
+  buf->index = 0;
+  return CURLE_OK;
+}
+
+static size_t
+buffer_read(struct krb5buffer *buf, void *data, size_t len)
+{
+  if(buf->size - buf->index < len)
+    len = buf->size - buf->index;
+  memcpy(data, (char *)buf->data + buf->index, len);
+  buf->index += len;
+  return len;
+}
+
+/* Matches Curl_recv signature */
+static ssize_t sec_recv(struct connectdata *conn, int sockindex,
+                        char *buffer, size_t len, CURLcode *err)
+{
+  size_t bytes_read;
+  size_t total_read = 0;
+  curl_socket_t fd = conn->sock[sockindex];
+
+  *err = CURLE_OK;
+
+  /* Handle clear text response. */
+  if(conn->sec_complete == 0 || conn->data_prot == PROT_CLEAR)
+      return read(fd, buffer, len);
+
+  if(conn->in_buffer.eof_flag) {
+    conn->in_buffer.eof_flag = 0;
+    return 0;
+  }
+
+  bytes_read = buffer_read(&conn->in_buffer, buffer, len);
+  len -= bytes_read;
+  total_read += bytes_read;
+  buffer += bytes_read;
+
+  while(len > 0) {
+    if(read_data(conn, fd, &conn->in_buffer))
+      return -1;
+    if(conn->in_buffer.size == 0) {
+      if(bytes_read > 0)
+        conn->in_buffer.eof_flag = 1;
+      return bytes_read;
+    }
+    bytes_read = buffer_read(&conn->in_buffer, buffer, len);
+    len -= bytes_read;
+    total_read += bytes_read;
+    buffer += bytes_read;
+  }
+  /* FIXME: Check for overflow */
+  return total_read;
+}
+
+/* Send |length| bytes from |from| to the |fd| socket taking care of encoding
+   and negociating with the server. |from| can be NULL. */
+/* FIXME: We don't check for errors nor report any! */
+static void do_sec_send(struct connectdata *conn, curl_socket_t fd,
+                        const char *from, int length)
+{
+  int bytes, htonl_bytes; /* 32-bit integers for htonl */
+  char *buffer = NULL;
+  char *cmd_buffer;
+  size_t cmd_size = 0;
+  CURLcode error;
+  enum protection_level prot_level = conn->data_prot;
+  bool iscmd = (prot_level == PROT_CMD)?TRUE:FALSE;
+
+  DEBUGASSERT(prot_level > PROT_NONE && prot_level < PROT_LAST);
+
+  if(iscmd) {
+    if(!strncmp(from, "PASS ", 5) || !strncmp(from, "ACCT ", 5))
+      prot_level = PROT_PRIVATE;
+    else
+      prot_level = conn->command_prot;
+  }
+  bytes = conn->mech->encode(conn->app_data, from, length, prot_level,
+                             (void **)&buffer);
+  if(!buffer || bytes <= 0)
+    return; /* error */
+
+  if(iscmd) {
+    error = Curl_base64_encode(conn->data, buffer, curlx_sitouz(bytes),
+                               &cmd_buffer, &cmd_size);
+    if(error) {
+      free(buffer);
+      return; /* error */
+    }
+    if(cmd_size > 0) {
+      static const char *enc = "ENC ";
+      static const char *mic = "MIC ";
+      if(prot_level == PROT_PRIVATE)
+        socket_write(conn, fd, enc, 4);
+      else
+        socket_write(conn, fd, mic, 4);
+
+      socket_write(conn, fd, cmd_buffer, cmd_size);
+      socket_write(conn, fd, "\r\n", 2);
+      infof(conn->data, "Send: %s%s\n", prot_level == PROT_PRIVATE?enc:mic,
+            cmd_buffer);
+      free(cmd_buffer);
+    }
+  }
+  else {
+    htonl_bytes = htonl(bytes);
+    socket_write(conn, fd, &htonl_bytes, sizeof(htonl_bytes));
+    socket_write(conn, fd, buffer, curlx_sitouz(bytes));
+  }
+  free(buffer);
+}
+
+static ssize_t sec_write(struct connectdata *conn, curl_socket_t fd,
+                         const char *buffer, size_t length)
+{
+  ssize_t tx = 0, len = conn->buffer_size;
+
+  len -= conn->mech->overhead(conn->app_data, conn->data_prot,
+                              curlx_sztosi(len));
+  if(len <= 0)
+    len = length;
+  while(length) {
+    if(length < (size_t)len)
+      len = length;
+
+    do_sec_send(conn, fd, buffer, curlx_sztosi(len));
+    length -= len;
+    buffer += len;
+    tx += len;
+  }
+  return tx;
+}
+
+/* Matches Curl_send signature */
+static ssize_t sec_send(struct connectdata *conn, int sockindex,
+                        const void *buffer, size_t len, CURLcode *err)
+{
+  curl_socket_t fd = conn->sock[sockindex];
+  *err = CURLE_OK;
+  return sec_write(conn, fd, buffer, len);
+}
+
+int Curl_sec_read_msg(struct connectdata *conn, char *buffer,
+                      enum protection_level level)
+{
+  /* decoded_len should be size_t or ssize_t but conn->mech->decode returns an
+     int */
+  int decoded_len;
+  char *buf;
+  int ret_code = 0;
+  size_t decoded_sz = 0;
+  CURLcode error;
+
+  if(!conn->mech)
+    /* not inititalized, return error */
+    return -1;
+
+  DEBUGASSERT(level > PROT_NONE && level < PROT_LAST);
+
+  error = Curl_base64_decode(buffer + 4, (unsigned char **)&buf, &decoded_sz);
+  if(error || decoded_sz == 0)
+    return -1;
+
+  if(decoded_sz > (size_t)INT_MAX) {
+    free(buf);
+    return -1;
+  }
+  decoded_len = curlx_uztosi(decoded_sz);
+
+  decoded_len = conn->mech->decode(conn->app_data, buf, decoded_len,
+                                   level, conn);
+  if(decoded_len <= 0) {
+    free(buf);
+    return -1;
+  }
+
+  if(conn->data->set.verbose) {
+    buf[decoded_len] = '\n';
+    Curl_debug(conn->data, CURLINFO_HEADER_IN, buf, decoded_len + 1);
+  }
+
+  buf[decoded_len] = '\0';
+  if(decoded_len <= 3)
+    /* suspiciously short */
+    return 0;
+
+  if(buf[3] != '-')
+    /* safe to ignore return code */
+    (void)sscanf(buf, "%d", &ret_code);
+
+  if(buf[decoded_len - 1] == '\n')
+    buf[decoded_len - 1] = '\0';
+  /* FIXME: Is |buffer| length always greater than |decoded_len|? */
+  strcpy(buffer, buf);
+  free(buf);
+  return ret_code;
+}
+
+/* FIXME: The error code returned here is never checked. */
+static int sec_set_protection_level(struct connectdata *conn)
+{
+  int code;
+  char *pbsz;
+  static unsigned int buffer_size = 1 << 20; /* 1048576 */
+  enum protection_level level = conn->request_data_prot;
+
+  DEBUGASSERT(level > PROT_NONE && level < PROT_LAST);
+
+  if(!conn->sec_complete) {
+    infof(conn->data, "Trying to change the protection level after the"
+                      " completion of the data exchange.\n");
+    return -1;
+  }
+
+  /* Bail out if we try to set up the same level */
+  if(conn->data_prot == level)
+    return 0;
+
+  if(level) {
+    code = ftp_send_command(conn, "PBSZ %u", buffer_size);
+    if(code < 0)
+      return -1;
+
+    if(code/100 != 2) {
+      failf(conn->data, "Failed to set the protection's buffer size.");
+      return -1;
+    }
+    conn->buffer_size = buffer_size;
+
+    pbsz = strstr(conn->data->state.buffer, "PBSZ=");
+    if(pbsz) {
+      /* ignore return code, use default value if it fails */
+      (void)sscanf(pbsz, "PBSZ=%u", &buffer_size);
+      if(buffer_size < conn->buffer_size)
+        conn->buffer_size = buffer_size;
+    }
+  }
+
+  /* Now try to negiociate the protection level. */
+  code = ftp_send_command(conn, "PROT %c", level_to_char(level));
+
+  if(code < 0)
+    return -1;
+
+  if(code/100 != 2) {
+    failf(conn->data, "Failed to set the protection level.");
+    return -1;
+  }
+
+  conn->data_prot = level;
+  if(level == PROT_PRIVATE)
+    conn->command_prot = level;
+
+  return 0;
+}
+
+int
+Curl_sec_request_prot(struct connectdata *conn, const char *level)
+{
+  enum protection_level l = name_to_level(level);
+  if(l == PROT_NONE)
+    return -1;
+  DEBUGASSERT(l > PROT_NONE && l < PROT_LAST);
+  conn->request_data_prot = l;
+  return 0;
+}
+
+static CURLcode choose_mech(struct connectdata *conn)
+{
+  int ret;
+  struct Curl_easy *data = conn->data;
+  void *tmp_allocation;
+  const struct Curl_sec_client_mech *mech = &Curl_krb5_client_mech;
+
+  tmp_allocation = realloc(conn->app_data, mech->size);
+  if(tmp_allocation == NULL) {
+    failf(data, "Failed realloc of size %zu", mech->size);
+    mech = NULL;
+    return CURLE_OUT_OF_MEMORY;
+  }
+  conn->app_data = tmp_allocation;
+
+  if(mech->init) {
+    ret = mech->init(conn->app_data);
+    if(ret) {
+      infof(data, "Failed initialization for %s. Skipping it.\n",
+            mech->name);
+      return CURLE_FAILED_INIT;
+    }
+  }
+
+  infof(data, "Trying mechanism %s...\n", mech->name);
+  ret = ftp_send_command(conn, "AUTH %s", mech->name);
+  if(ret < 0)
+    /* FIXME: This error is too generic but it is OK for now. */
+    return CURLE_COULDNT_CONNECT;
+
+  if(ret/100 != 3) {
+    switch(ret) {
+    case 504:
+      infof(data, "Mechanism %s is not supported by the server (server "
+            "returned ftp code: 504).\n", mech->name);
+      break;
+    case 534:
+      infof(data, "Mechanism %s was rejected by the server (server returned "
+            "ftp code: 534).\n", mech->name);
+      break;
+    default:
+      if(ret/100 == 5) {
+        infof(data, "server does not support the security extensions\n");
+        return CURLE_USE_SSL_FAILED;
+      }
+      break;
+    }
+    return CURLE_LOGIN_DENIED;
+  }
+
+  /* Authenticate */
+  ret = mech->auth(conn->app_data, conn);
+
+  if(ret != AUTH_CONTINUE) {
+    if(ret != AUTH_OK) {
+      /* Mechanism has dumped the error to stderr, don't error here. */
+      return -1;
+    }
+    DEBUGASSERT(ret == AUTH_OK);
+
+    conn->mech = mech;
+    conn->sec_complete = 1;
+    conn->recv[FIRSTSOCKET] = sec_recv;
+    conn->send[FIRSTSOCKET] = sec_send;
+    conn->recv[SECONDARYSOCKET] = sec_recv;
+    conn->send[SECONDARYSOCKET] = sec_send;
+    conn->command_prot = PROT_SAFE;
+    /* Set the requested protection level */
+    /* BLOCKING */
+    (void)sec_set_protection_level(conn);
+  }
+
+  return CURLE_OK;
+}
+
+CURLcode
+Curl_sec_login(struct connectdata *conn)
+{
+  return choose_mech(conn);
+}
+
+
+void
+Curl_sec_end(struct connectdata *conn)
+{
+  if(conn->mech != NULL && conn->mech->end)
+    conn->mech->end(conn->app_data);
+  free(conn->app_data);
+  conn->app_data = NULL;
+  if(conn->in_buffer.data) {
+    free(conn->in_buffer.data);
+    conn->in_buffer.data = NULL;
+    conn->in_buffer.size = 0;
+    conn->in_buffer.index = 0;
+    /* FIXME: Is this really needed? */
+    conn->in_buffer.eof_flag = 0;
+  }
+  conn->sec_complete = 0;
+  conn->data_prot = PROT_CLEAR;
+  conn->mech = NULL;
+}
+
+#endif /* HAVE_GSSAPI */
+
+#endif /* CURL_DISABLE_FTP */
Index: trunk/src/libs/curl-7.64.0/lib/select.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/select.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/select.c	(revision 85671)
@@ -0,0 +1,585 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+
+#if !defined(HAVE_SELECT) && !defined(HAVE_POLL_FINE)
+#error "We can't compile without select() or poll() support."
+#endif
+
+#if defined(__BEOS__) && !defined(__HAIKU__)
+/* BeOS has FD_SET defined in socket.h */
+#include <socket.h>
+#endif
+
+#ifdef MSDOS
+#include <dos.h>  /* delay() */
+#endif
+
+#ifdef __VXWORKS__
+#include <strings.h>  /* bzero() in FD_SET */
+#endif
+
+#include <curl/curl.h>
+
+#include "urldata.h"
+#include "connect.h"
+#include "select.h"
+#include "warnless.h"
+
+/* Convenience local macros */
+#define ELAPSED_MS() (int)Curl_timediff(Curl_now(), initial_tv)
+
+int Curl_ack_eintr = 0;
+#define ERROR_NOT_EINTR(error) (Curl_ack_eintr || error != EINTR)
+
+/*
+ * Internal function used for waiting a specific amount of ms
+ * in Curl_socket_check() and Curl_poll() when no file descriptor
+ * is provided to wait on, just being used to delay execution.
+ * WinSock select() and poll() timeout mechanisms need a valid
+ * socket descriptor in a not null file descriptor set to work.
+ * Waiting indefinitely with this function is not allowed, a
+ * zero or negative timeout value will return immediately.
+ * Timeout resolution, accuracy, as well as maximum supported
+ * value is system dependent, neither factor is a citical issue
+ * for the intended use of this function in the library.
+ *
+ * Return values:
+ *   -1 = system call error, invalid timeout value, or interrupted
+ *    0 = specified timeout has elapsed
+ */
+int Curl_wait_ms(int timeout_ms)
+{
+#if !defined(MSDOS) && !defined(USE_WINSOCK)
+#ifndef HAVE_POLL_FINE
+  struct timeval pending_tv;
+#endif
+  struct curltime initial_tv;
+  int pending_ms;
+#endif
+  int r = 0;
+
+  if(!timeout_ms)
+    return 0;
+  if(timeout_ms < 0) {
+    SET_SOCKERRNO(EINVAL);
+    return -1;
+  }
+#if defined(MSDOS)
+  delay(timeout_ms);
+#elif defined(USE_WINSOCK)
+  Sleep(timeout_ms);
+#else
+  pending_ms = timeout_ms;
+  initial_tv = Curl_now();
+  do {
+    int error;
+#if defined(HAVE_POLL_FINE)
+    r = poll(NULL, 0, pending_ms);
+#else
+    pending_tv.tv_sec = pending_ms / 1000;
+    pending_tv.tv_usec = (pending_ms % 1000) * 1000;
+    r = select(0, NULL, NULL, NULL, &pending_tv);
+#endif /* HAVE_POLL_FINE */
+    if(r != -1)
+      break;
+    error = SOCKERRNO;
+    if(error && ERROR_NOT_EINTR(error))
+      break;
+    pending_ms = timeout_ms - ELAPSED_MS();
+    if(pending_ms <= 0) {
+      r = 0;  /* Simulate a "call timed out" case */
+      break;
+    }
+  } while(r == -1);
+#endif /* USE_WINSOCK */
+  if(r)
+    r = -1;
+  return r;
+}
+
+/*
+ * Wait for read or write events on a set of file descriptors. It uses poll()
+ * when a fine poll() is available, in order to avoid limits with FD_SETSIZE,
+ * otherwise select() is used.  An error is returned if select() is being used
+ * and a file descriptor is too large for FD_SETSIZE.
+ *
+ * A negative timeout value makes this function wait indefinitely,
+ * unless no valid file descriptor is given, when this happens the
+ * negative timeout is ignored and the function times out immediately.
+ *
+ * Return values:
+ *   -1 = system call error or fd >= FD_SETSIZE
+ *    0 = timeout
+ *    [bitmask] = action as described below
+ *
+ * CURL_CSELECT_IN - first socket is readable
+ * CURL_CSELECT_IN2 - second socket is readable
+ * CURL_CSELECT_OUT - write socket is writable
+ * CURL_CSELECT_ERR - an error condition occurred
+ */
+int Curl_socket_check(curl_socket_t readfd0, /* two sockets to read from */
+                      curl_socket_t readfd1,
+                      curl_socket_t writefd, /* socket to write to */
+                      time_t timeout_ms)     /* milliseconds to wait */
+{
+#ifdef HAVE_POLL_FINE
+  struct pollfd pfd[3];
+  int num;
+#else
+  struct timeval pending_tv;
+  struct timeval *ptimeout;
+  fd_set fds_read;
+  fd_set fds_write;
+  fd_set fds_err;
+  curl_socket_t maxfd;
+#endif
+  struct curltime initial_tv = {0, 0};
+  int pending_ms = 0;
+  int r;
+  int ret;
+
+#if SIZEOF_TIME_T != SIZEOF_INT
+  /* wrap-around precaution */
+  if(timeout_ms >= INT_MAX)
+    timeout_ms = INT_MAX;
+#endif
+
+  if((readfd0 == CURL_SOCKET_BAD) && (readfd1 == CURL_SOCKET_BAD) &&
+     (writefd == CURL_SOCKET_BAD)) {
+    /* no sockets, just wait */
+    r = Curl_wait_ms((int)timeout_ms);
+    return r;
+  }
+
+  /* Avoid initial timestamp, avoid Curl_now() call, when elapsed
+     time in this function does not need to be measured. This happens
+     when function is called with a zero timeout or a negative timeout
+     value indicating a blocking call should be performed. */
+
+  if(timeout_ms > 0) {
+    pending_ms = (int)timeout_ms;
+    initial_tv = Curl_now();
+  }
+
+#ifdef HAVE_POLL_FINE
+
+  num = 0;
+  if(readfd0 != CURL_SOCKET_BAD) {
+    pfd[num].fd = readfd0;
+    pfd[num].events = POLLRDNORM|POLLIN|POLLRDBAND|POLLPRI;
+    pfd[num].revents = 0;
+    num++;
+  }
+  if(readfd1 != CURL_SOCKET_BAD) {
+    pfd[num].fd = readfd1;
+    pfd[num].events = POLLRDNORM|POLLIN|POLLRDBAND|POLLPRI;
+    pfd[num].revents = 0;
+    num++;
+  }
+  if(writefd != CURL_SOCKET_BAD) {
+    pfd[num].fd = writefd;
+    pfd[num].events = POLLWRNORM|POLLOUT;
+    pfd[num].revents = 0;
+    num++;
+  }
+
+  do {
+    int error;
+    if(timeout_ms < 0)
+      pending_ms = -1;
+    else if(!timeout_ms)
+      pending_ms = 0;
+    r = poll(pfd, num, pending_ms);
+    if(r != -1)
+      break;
+    error = SOCKERRNO;
+    if(error && ERROR_NOT_EINTR(error))
+      break;
+    if(timeout_ms > 0) {
+      pending_ms = (int)(timeout_ms - ELAPSED_MS());
+      if(pending_ms <= 0) {
+        r = 0;  /* Simulate a "call timed out" case */
+        break;
+      }
+    }
+  } while(r == -1);
+
+  if(r < 0)
+    return -1;
+  if(r == 0)
+    return 0;
+
+  ret = 0;
+  num = 0;
+  if(readfd0 != CURL_SOCKET_BAD) {
+    if(pfd[num].revents & (POLLRDNORM|POLLIN|POLLERR|POLLHUP))
+      ret |= CURL_CSELECT_IN;
+    if(pfd[num].revents & (POLLRDBAND|POLLPRI|POLLNVAL))
+      ret |= CURL_CSELECT_ERR;
+    num++;
+  }
+  if(readfd1 != CURL_SOCKET_BAD) {
+    if(pfd[num].revents & (POLLRDNORM|POLLIN|POLLERR|POLLHUP))
+      ret |= CURL_CSELECT_IN2;
+    if(pfd[num].revents & (POLLRDBAND|POLLPRI|POLLNVAL))
+      ret |= CURL_CSELECT_ERR;
+    num++;
+  }
+  if(writefd != CURL_SOCKET_BAD) {
+    if(pfd[num].revents & (POLLWRNORM|POLLOUT))
+      ret |= CURL_CSELECT_OUT;
+    if(pfd[num].revents & (POLLERR|POLLHUP|POLLNVAL))
+      ret |= CURL_CSELECT_ERR;
+  }
+
+  return ret;
+
+#else  /* HAVE_POLL_FINE */
+
+  FD_ZERO(&fds_err);
+  maxfd = (curl_socket_t)-1;
+
+  FD_ZERO(&fds_read);
+  if(readfd0 != CURL_SOCKET_BAD) {
+    VERIFY_SOCK(readfd0);
+    FD_SET(readfd0, &fds_read);
+    FD_SET(readfd0, &fds_err);
+    maxfd = readfd0;
+  }
+  if(readfd1 != CURL_SOCKET_BAD) {
+    VERIFY_SOCK(readfd1);
+    FD_SET(readfd1, &fds_read);
+    FD_SET(readfd1, &fds_err);
+    if(readfd1 > maxfd)
+      maxfd = readfd1;
+  }
+
+  FD_ZERO(&fds_write);
+  if(writefd != CURL_SOCKET_BAD) {
+    VERIFY_SOCK(writefd);
+    FD_SET(writefd, &fds_write);
+    FD_SET(writefd, &fds_err);
+    if(writefd > maxfd)
+      maxfd = writefd;
+  }
+
+  ptimeout = (timeout_ms < 0) ? NULL : &pending_tv;
+
+  do {
+    int error;
+    if(timeout_ms > 0) {
+      pending_tv.tv_sec = pending_ms / 1000;
+      pending_tv.tv_usec = (pending_ms % 1000) * 1000;
+    }
+    else if(!timeout_ms) {
+      pending_tv.tv_sec = 0;
+      pending_tv.tv_usec = 0;
+    }
+
+    /* WinSock select() must not be called with an fd_set that contains zero
+       fd flags, or it will return WSAEINVAL.  But, it also can't be called
+       with no fd_sets at all!  From the documentation:
+
+         Any two of the parameters, readfds, writefds, or exceptfds, can be
+         given as null. At least one must be non-null, and any non-null
+         descriptor set must contain at least one handle to a socket.
+
+       We know that we have at least one bit set in at least two fd_sets in
+       this case, but we may have no bits set in either fds_read or fd_write,
+       so check for that and handle it.  Luckily, with WinSock, we can _also_
+       ask how many bits are set on an fd_set.
+
+       It is unclear why WinSock doesn't just handle this for us instead of
+       calling this an error.
+
+       Note also that WinSock ignores the first argument, so we don't worry
+       about the fact that maxfd is computed incorrectly with WinSock (since
+       curl_socket_t is unsigned in such cases and thus -1 is the largest
+       value).
+    */
+#ifdef USE_WINSOCK
+    r = select((int)maxfd + 1,
+               fds_read.fd_count ? &fds_read : NULL,
+               fds_write.fd_count ? &fds_write : NULL,
+               &fds_err, ptimeout);
+#else
+    r = select((int)maxfd + 1, &fds_read, &fds_write, &fds_err, ptimeout);
+#endif
+
+    if(r != -1)
+      break;
+    error = SOCKERRNO;
+    if(error && ERROR_NOT_EINTR(error))
+      break;
+    if(timeout_ms > 0) {
+      pending_ms = (int)(timeout_ms - ELAPSED_MS());
+      if(pending_ms <= 0) {
+        r = 0;  /* Simulate a "call timed out" case */
+        break;
+      }
+    }
+  } while(r == -1);
+
+  if(r < 0)
+    return -1;
+  if(r == 0)
+    return 0;
+
+  ret = 0;
+  if(readfd0 != CURL_SOCKET_BAD) {
+    if(FD_ISSET(readfd0, &fds_read))
+      ret |= CURL_CSELECT_IN;
+    if(FD_ISSET(readfd0, &fds_err))
+      ret |= CURL_CSELECT_ERR;
+  }
+  if(readfd1 != CURL_SOCKET_BAD) {
+    if(FD_ISSET(readfd1, &fds_read))
+      ret |= CURL_CSELECT_IN2;
+    if(FD_ISSET(readfd1, &fds_err))
+      ret |= CURL_CSELECT_ERR;
+  }
+  if(writefd != CURL_SOCKET_BAD) {
+    if(FD_ISSET(writefd, &fds_write))
+      ret |= CURL_CSELECT_OUT;
+    if(FD_ISSET(writefd, &fds_err))
+      ret |= CURL_CSELECT_ERR;
+  }
+
+  return ret;
+
+#endif  /* HAVE_POLL_FINE */
+
+}
+
+/*
+ * This is a wrapper around poll().  If poll() does not exist, then
+ * select() is used instead.  An error is returned if select() is
+ * being used and a file descriptor is too large for FD_SETSIZE.
+ * A negative timeout value makes this function wait indefinitely,
+ * unless no valid file descriptor is given, when this happens the
+ * negative timeout is ignored and the function times out immediately.
+ *
+ * Return values:
+ *   -1 = system call error or fd >= FD_SETSIZE
+ *    0 = timeout
+ *    N = number of structures with non zero revent fields
+ */
+int Curl_poll(struct pollfd ufds[], unsigned int nfds, int timeout_ms)
+{
+#ifndef HAVE_POLL_FINE
+  struct timeval pending_tv;
+  struct timeval *ptimeout;
+  fd_set fds_read;
+  fd_set fds_write;
+  fd_set fds_err;
+  curl_socket_t maxfd;
+#endif
+  struct curltime initial_tv = {0, 0};
+  bool fds_none = TRUE;
+  unsigned int i;
+  int pending_ms = 0;
+  int r;
+
+  if(ufds) {
+    for(i = 0; i < nfds; i++) {
+      if(ufds[i].fd != CURL_SOCKET_BAD) {
+        fds_none = FALSE;
+        break;
+      }
+    }
+  }
+  if(fds_none) {
+    r = Curl_wait_ms(timeout_ms);
+    return r;
+  }
+
+  /* Avoid initial timestamp, avoid Curl_now() call, when elapsed
+     time in this function does not need to be measured. This happens
+     when function is called with a zero timeout or a negative timeout
+     value indicating a blocking call should be performed. */
+
+  if(timeout_ms > 0) {
+    pending_ms = timeout_ms;
+    initial_tv = Curl_now();
+  }
+
+#ifdef HAVE_POLL_FINE
+
+  do {
+    int error;
+    if(timeout_ms < 0)
+      pending_ms = -1;
+    else if(!timeout_ms)
+      pending_ms = 0;
+    r = poll(ufds, nfds, pending_ms);
+    if(r != -1)
+      break;
+    error = SOCKERRNO;
+    if(error && ERROR_NOT_EINTR(error))
+      break;
+    if(timeout_ms > 0) {
+      pending_ms = (int)(timeout_ms - ELAPSED_MS());
+      if(pending_ms <= 0) {
+        r = 0;  /* Simulate a "call timed out" case */
+        break;
+      }
+    }
+  } while(r == -1);
+
+  if(r < 0)
+    return -1;
+  if(r == 0)
+    return 0;
+
+  for(i = 0; i < nfds; i++) {
+    if(ufds[i].fd == CURL_SOCKET_BAD)
+      continue;
+    if(ufds[i].revents & POLLHUP)
+      ufds[i].revents |= POLLIN;
+    if(ufds[i].revents & POLLERR)
+      ufds[i].revents |= (POLLIN|POLLOUT);
+  }
+
+#else  /* HAVE_POLL_FINE */
+
+  FD_ZERO(&fds_read);
+  FD_ZERO(&fds_write);
+  FD_ZERO(&fds_err);
+  maxfd = (curl_socket_t)-1;
+
+  for(i = 0; i < nfds; i++) {
+    ufds[i].revents = 0;
+    if(ufds[i].fd == CURL_SOCKET_BAD)
+      continue;
+    VERIFY_SOCK(ufds[i].fd);
+    if(ufds[i].events & (POLLIN|POLLOUT|POLLPRI|
+                          POLLRDNORM|POLLWRNORM|POLLRDBAND)) {
+      if(ufds[i].fd > maxfd)
+        maxfd = ufds[i].fd;
+      if(ufds[i].events & (POLLRDNORM|POLLIN))
+        FD_SET(ufds[i].fd, &fds_read);
+      if(ufds[i].events & (POLLWRNORM|POLLOUT))
+        FD_SET(ufds[i].fd, &fds_write);
+      if(ufds[i].events & (POLLRDBAND|POLLPRI))
+        FD_SET(ufds[i].fd, &fds_err);
+    }
+  }
+
+#ifdef USE_WINSOCK
+  /* WinSock select() can't handle zero events.  See the comment about this in
+     Curl_check_socket(). */
+  if(fds_read.fd_count == 0 && fds_write.fd_count == 0
+     && fds_err.fd_count == 0) {
+    r = Curl_wait_ms(timeout_ms);
+    return r;
+  }
+#endif
+
+  ptimeout = (timeout_ms < 0) ? NULL : &pending_tv;
+
+  do {
+    int error;
+    if(timeout_ms > 0) {
+      pending_tv.tv_sec = pending_ms / 1000;
+      pending_tv.tv_usec = (pending_ms % 1000) * 1000;
+    }
+    else if(!timeout_ms) {
+      pending_tv.tv_sec = 0;
+      pending_tv.tv_usec = 0;
+    }
+
+#ifdef USE_WINSOCK
+    r = select((int)maxfd + 1,
+               /* WinSock select() can't handle fd_sets with zero bits set, so
+                  don't give it such arguments.  See the comment about this in
+                  Curl_check_socket().
+               */
+               fds_read.fd_count ? &fds_read : NULL,
+               fds_write.fd_count ? &fds_write : NULL,
+               fds_err.fd_count ? &fds_err : NULL, ptimeout);
+#else
+    r = select((int)maxfd + 1, &fds_read, &fds_write, &fds_err, ptimeout);
+#endif
+    if(r != -1)
+      break;
+    error = SOCKERRNO;
+    if(error && ERROR_NOT_EINTR(error))
+      break;
+    if(timeout_ms > 0) {
+      pending_ms = timeout_ms - ELAPSED_MS();
+      if(pending_ms <= 0) {
+        r = 0;  /* Simulate a "call timed out" case */
+        break;
+      }
+    }
+  } while(r == -1);
+
+  if(r < 0)
+    return -1;
+  if(r == 0)
+    return 0;
+
+  r = 0;
+  for(i = 0; i < nfds; i++) {
+    ufds[i].revents = 0;
+    if(ufds[i].fd == CURL_SOCKET_BAD)
+      continue;
+    if(FD_ISSET(ufds[i].fd, &fds_read))
+      ufds[i].revents |= POLLIN;
+    if(FD_ISSET(ufds[i].fd, &fds_write))
+      ufds[i].revents |= POLLOUT;
+    if(FD_ISSET(ufds[i].fd, &fds_err))
+      ufds[i].revents |= POLLPRI;
+    if(ufds[i].revents != 0)
+      r++;
+  }
+
+#endif  /* HAVE_POLL_FINE */
+
+  return r;
+}
+
+#ifdef TPF
+/*
+ * This is a replacement for select() on the TPF platform.
+ * It is used whenever libcurl calls select().
+ * The call below to tpf_process_signals() is required because
+ * TPF's select calls are not signal interruptible.
+ *
+ * Return values are the same as select's.
+ */
+int tpf_select_libcurl(int maxfds, fd_set *reads, fd_set *writes,
+                       fd_set *excepts, struct timeval *tv)
+{
+   int rc;
+
+   rc = tpf_select_bsd(maxfds, reads, writes, excepts, tv);
+   tpf_process_signals();
+   return rc;
+}
+#endif /* TPF */
Index: trunk/src/libs/curl-7.64.0/lib/select.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/select.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/select.h	(revision 85671)
@@ -0,0 +1,115 @@
+#ifndef HEADER_CURL_SELECT_H
+#define HEADER_CURL_SELECT_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_POLL_H
+#include <poll.h>
+#elif defined(HAVE_SYS_POLL_H)
+#include <sys/poll.h>
+#endif
+
+/*
+ * Definition of pollfd struct and constants for platforms lacking them.
+ */
+
+#if !defined(HAVE_STRUCT_POLLFD) && \
+    !defined(HAVE_SYS_POLL_H) && \
+    !defined(HAVE_POLL_H) && \
+    !defined(POLLIN)
+
+#define POLLIN      0x01
+#define POLLPRI     0x02
+#define POLLOUT     0x04
+#define POLLERR     0x08
+#define POLLHUP     0x10
+#define POLLNVAL    0x20
+
+struct pollfd
+{
+    curl_socket_t fd;
+    short   events;
+    short   revents;
+};
+
+#endif
+
+#ifndef POLLRDNORM
+#define POLLRDNORM POLLIN
+#endif
+
+#ifndef POLLWRNORM
+#define POLLWRNORM POLLOUT
+#endif
+
+#ifndef POLLRDBAND
+#define POLLRDBAND POLLPRI
+#endif
+
+/* there are three CSELECT defines that are defined in the public header that
+   are exposed to users, but this *IN2 bit is only ever used internally and
+   therefore defined here */
+#define CURL_CSELECT_IN2 (CURL_CSELECT_ERR << 1)
+
+int Curl_socket_check(curl_socket_t readfd, curl_socket_t readfd2,
+                      curl_socket_t writefd,
+                      time_t timeout_ms);
+
+#define SOCKET_READABLE(x,z) \
+  Curl_socket_check(x, CURL_SOCKET_BAD, CURL_SOCKET_BAD, z)
+#define SOCKET_WRITABLE(x,z) \
+  Curl_socket_check(CURL_SOCKET_BAD, CURL_SOCKET_BAD, x, z)
+
+int Curl_poll(struct pollfd ufds[], unsigned int nfds, int timeout_ms);
+
+/* On non-DOS and non-Winsock platforms, when Curl_ack_eintr is set,
+ * EINTR condition is honored and function might exit early without
+ * awaiting full timeout.  Otherwise EINTR will be ignored and full
+ * timeout will elapse. */
+extern int Curl_ack_eintr;
+
+int Curl_wait_ms(int timeout_ms);
+
+#ifdef TPF
+int tpf_select_libcurl(int maxfds, fd_set* reads, fd_set* writes,
+                       fd_set* excepts, struct timeval* tv);
+#endif
+
+/* Winsock and TPF sockets are not in range [0..FD_SETSIZE-1], which
+   unfortunately makes it impossible for us to easily check if they're valid
+*/
+#if defined(USE_WINSOCK) || defined(TPF)
+#define VALID_SOCK(x) 1
+#define VERIFY_SOCK(x) Curl_nop_stmt
+#else
+#define VALID_SOCK(s) (((s) >= 0) && ((s) < FD_SETSIZE))
+#define VERIFY_SOCK(x) do { \
+  if(!VALID_SOCK(x)) { \
+    SET_SOCKERRNO(EINVAL); \
+    return -1; \
+  } \
+} WHILE_FALSE
+#endif
+
+#endif /* HEADER_CURL_SELECT_H */
Index: trunk/src/libs/curl-7.64.0/lib/sendf.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/sendf.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/sendf.c	(revision 85671)
@@ -0,0 +1,847 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+
+#ifdef HAVE_LINUX_TCP_H
+#include <linux/tcp.h>
+#endif
+
+#include <curl/curl.h>
+
+#include "urldata.h"
+#include "sendf.h"
+#include "connect.h"
+#include "vtls/vtls.h"
+#include "ssh.h"
+#include "easyif.h"
+#include "multiif.h"
+#include "non-ascii.h"
+#include "strerror.h"
+#include "select.h"
+#include "strdup.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#ifdef CURL_DO_LINEEND_CONV
+/*
+ * convert_lineends() changes CRLF (\r\n) end-of-line markers to a single LF
+ * (\n), with special processing for CRLF sequences that are split between two
+ * blocks of data.  Remaining, bare CRs are changed to LFs.  The possibly new
+ * size of the data is returned.
+ */
+static size_t convert_lineends(struct Curl_easy *data,
+                               char *startPtr, size_t size)
+{
+  char *inPtr, *outPtr;
+
+  /* sanity check */
+  if((startPtr == NULL) || (size < 1)) {
+    return size;
+  }
+
+  if(data->state.prev_block_had_trailing_cr) {
+    /* The previous block of incoming data
+       had a trailing CR, which was turned into a LF. */
+    if(*startPtr == '\n') {
+      /* This block of incoming data starts with the
+         previous block's LF so get rid of it */
+      memmove(startPtr, startPtr + 1, size-1);
+      size--;
+      /* and it wasn't a bare CR but a CRLF conversion instead */
+      data->state.crlf_conversions++;
+    }
+    data->state.prev_block_had_trailing_cr = FALSE; /* reset the flag */
+  }
+
+  /* find 1st CR, if any */
+  inPtr = outPtr = memchr(startPtr, '\r', size);
+  if(inPtr) {
+    /* at least one CR, now look for CRLF */
+    while(inPtr < (startPtr + size-1)) {
+      /* note that it's size-1, so we'll never look past the last byte */
+      if(memcmp(inPtr, "\r\n", 2) == 0) {
+        /* CRLF found, bump past the CR and copy the NL */
+        inPtr++;
+        *outPtr = *inPtr;
+        /* keep track of how many CRLFs we converted */
+        data->state.crlf_conversions++;
+      }
+      else {
+        if(*inPtr == '\r') {
+          /* lone CR, move LF instead */
+          *outPtr = '\n';
+        }
+        else {
+          /* not a CRLF nor a CR, just copy whatever it is */
+          *outPtr = *inPtr;
+        }
+      }
+      outPtr++;
+      inPtr++;
+    } /* end of while loop */
+
+    if(inPtr < startPtr + size) {
+      /* handle last byte */
+      if(*inPtr == '\r') {
+        /* deal with a CR at the end of the buffer */
+        *outPtr = '\n'; /* copy a NL instead */
+        /* note that a CRLF might be split across two blocks */
+        data->state.prev_block_had_trailing_cr = TRUE;
+      }
+      else {
+        /* copy last byte */
+        *outPtr = *inPtr;
+      }
+      outPtr++;
+    }
+    if(outPtr < startPtr + size)
+      /* tidy up by null terminating the now shorter data */
+      *outPtr = '\0';
+
+    return (outPtr - startPtr);
+  }
+  return size;
+}
+#endif /* CURL_DO_LINEEND_CONV */
+
+#ifdef USE_RECV_BEFORE_SEND_WORKAROUND
+bool Curl_recv_has_postponed_data(struct connectdata *conn, int sockindex)
+{
+  struct postponed_data * const psnd = &(conn->postponed[sockindex]);
+  return psnd->buffer && psnd->allocated_size &&
+         psnd->recv_size > psnd->recv_processed;
+}
+
+static void pre_receive_plain(struct connectdata *conn, int num)
+{
+  const curl_socket_t sockfd = conn->sock[num];
+  struct postponed_data * const psnd = &(conn->postponed[num]);
+  size_t bytestorecv = psnd->allocated_size - psnd->recv_size;
+  /* WinSock will destroy unread received data if send() is
+     failed.
+     To avoid lossage of received data, recv() must be
+     performed before every send() if any incoming data is
+     available. However, skip this, if buffer is already full. */
+  if((conn->handler->protocol&PROTO_FAMILY_HTTP) != 0 &&
+     conn->recv[num] == Curl_recv_plain &&
+     (!psnd->buffer || bytestorecv)) {
+    const int readymask = Curl_socket_check(sockfd, CURL_SOCKET_BAD,
+                                            CURL_SOCKET_BAD, 0);
+    if(readymask != -1 && (readymask & CURL_CSELECT_IN) != 0) {
+      /* Have some incoming data */
+      if(!psnd->buffer) {
+        /* Use buffer double default size for intermediate buffer */
+        psnd->allocated_size = 2 * conn->data->set.buffer_size;
+        psnd->buffer = malloc(psnd->allocated_size);
+        psnd->recv_size = 0;
+        psnd->recv_processed = 0;
+#ifdef DEBUGBUILD
+        psnd->bindsock = sockfd; /* Used only for DEBUGASSERT */
+#endif /* DEBUGBUILD */
+        bytestorecv = psnd->allocated_size;
+      }
+      if(psnd->buffer) {
+        ssize_t recvedbytes;
+        DEBUGASSERT(psnd->bindsock == sockfd);
+        recvedbytes = sread(sockfd, psnd->buffer + psnd->recv_size,
+                            bytestorecv);
+        if(recvedbytes > 0)
+          psnd->recv_size += recvedbytes;
+      }
+      else
+        psnd->allocated_size = 0;
+    }
+  }
+}
+
+static ssize_t get_pre_recved(struct connectdata *conn, int num, char *buf,
+                              size_t len)
+{
+  struct postponed_data * const psnd = &(conn->postponed[num]);
+  size_t copysize;
+  if(!psnd->buffer)
+    return 0;
+
+  DEBUGASSERT(psnd->allocated_size > 0);
+  DEBUGASSERT(psnd->recv_size <= psnd->allocated_size);
+  DEBUGASSERT(psnd->recv_processed <= psnd->recv_size);
+  /* Check and process data that already received and storied in internal
+     intermediate buffer */
+  if(psnd->recv_size > psnd->recv_processed) {
+    DEBUGASSERT(psnd->bindsock == conn->sock[num]);
+    copysize = CURLMIN(len, psnd->recv_size - psnd->recv_processed);
+    memcpy(buf, psnd->buffer + psnd->recv_processed, copysize);
+    psnd->recv_processed += copysize;
+  }
+  else
+    copysize = 0; /* buffer was allocated, but nothing was received */
+
+  /* Free intermediate buffer if it has no unprocessed data */
+  if(psnd->recv_processed == psnd->recv_size) {
+    free(psnd->buffer);
+    psnd->buffer = NULL;
+    psnd->allocated_size = 0;
+    psnd->recv_size = 0;
+    psnd->recv_processed = 0;
+#ifdef DEBUGBUILD
+    psnd->bindsock = CURL_SOCKET_BAD;
+#endif /* DEBUGBUILD */
+  }
+  return (ssize_t)copysize;
+}
+#else  /* ! USE_RECV_BEFORE_SEND_WORKAROUND */
+/* Use "do-nothing" macros instead of functions when workaround not used */
+bool Curl_recv_has_postponed_data(struct connectdata *conn, int sockindex)
+{
+  (void)conn;
+  (void)sockindex;
+  return false;
+}
+#define pre_receive_plain(c,n) do {} WHILE_FALSE
+#define get_pre_recved(c,n,b,l) 0
+#endif /* ! USE_RECV_BEFORE_SEND_WORKAROUND */
+
+/* Curl_infof() is for info message along the way */
+
+void Curl_infof(struct Curl_easy *data, const char *fmt, ...)
+{
+  if(data && data->set.verbose) {
+    va_list ap;
+    size_t len;
+    char print_buffer[2048 + 1];
+    va_start(ap, fmt);
+    len = mvsnprintf(print_buffer, sizeof(print_buffer), fmt, ap);
+    /*
+     * Indicate truncation of the input by replacing the last 3 characters
+     * with "...", and transfer the newline over in case the format had one.
+     */
+    if(len >= sizeof(print_buffer)) {
+      len = strlen(fmt);
+      if(fmt[--len] == '\n')
+        msnprintf(print_buffer + (sizeof(print_buffer) - 5), 5, "...\n");
+      else
+        msnprintf(print_buffer + (sizeof(print_buffer) - 4), 4, "...");
+    }
+    va_end(ap);
+    len = strlen(print_buffer);
+    Curl_debug(data, CURLINFO_TEXT, print_buffer, len);
+  }
+}
+
+/* Curl_failf() is for messages stating why we failed.
+ * The message SHALL NOT include any LF or CR.
+ */
+
+void Curl_failf(struct Curl_easy *data, const char *fmt, ...)
+{
+  if(data->set.verbose || data->set.errorbuffer) {
+    va_list ap;
+    size_t len;
+    char error[CURL_ERROR_SIZE + 2];
+    va_start(ap, fmt);
+    mvsnprintf(error, CURL_ERROR_SIZE, fmt, ap);
+    len = strlen(error);
+
+    if(data->set.errorbuffer && !data->state.errorbuf) {
+      strcpy(data->set.errorbuffer, error);
+      data->state.errorbuf = TRUE; /* wrote error string */
+    }
+    if(data->set.verbose) {
+      error[len] = '\n';
+      error[++len] = '\0';
+      Curl_debug(data, CURLINFO_TEXT, error, len);
+    }
+    va_end(ap);
+  }
+}
+
+/* Curl_sendf() sends formatted data to the server */
+CURLcode Curl_sendf(curl_socket_t sockfd, struct connectdata *conn,
+                    const char *fmt, ...)
+{
+  struct Curl_easy *data = conn->data;
+  ssize_t bytes_written;
+  size_t write_len;
+  CURLcode result = CURLE_OK;
+  char *s;
+  char *sptr;
+  va_list ap;
+  va_start(ap, fmt);
+  s = vaprintf(fmt, ap); /* returns an allocated string */
+  va_end(ap);
+  if(!s)
+    return CURLE_OUT_OF_MEMORY; /* failure */
+
+  bytes_written = 0;
+  write_len = strlen(s);
+  sptr = s;
+
+  for(;;) {
+    /* Write the buffer to the socket */
+    result = Curl_write(conn, sockfd, sptr, write_len, &bytes_written);
+
+    if(result)
+      break;
+
+    if(data->set.verbose)
+      Curl_debug(data, CURLINFO_DATA_OUT, sptr, (size_t)bytes_written);
+
+    if((size_t)bytes_written != write_len) {
+      /* if not all was written at once, we must advance the pointer, decrease
+         the size left and try again! */
+      write_len -= bytes_written;
+      sptr += bytes_written;
+    }
+    else
+      break;
+  }
+
+  free(s); /* free the output string */
+
+  return result;
+}
+
+/*
+ * Curl_write() is an internal write function that sends data to the
+ * server. Works with plain sockets, SCP, SSL or kerberos.
+ *
+ * If the write would block (CURLE_AGAIN), we return CURLE_OK and
+ * (*written == 0). Otherwise we return regular CURLcode value.
+ */
+CURLcode Curl_write(struct connectdata *conn,
+                    curl_socket_t sockfd,
+                    const void *mem,
+                    size_t len,
+                    ssize_t *written)
+{
+  ssize_t bytes_written;
+  CURLcode result = CURLE_OK;
+  int num = (sockfd == conn->sock[SECONDARYSOCKET]);
+
+  bytes_written = conn->send[num](conn, num, mem, len, &result);
+
+  *written = bytes_written;
+  if(bytes_written >= 0)
+    /* we completely ignore the curlcode value when subzero is not returned */
+    return CURLE_OK;
+
+  /* handle CURLE_AGAIN or a send failure */
+  switch(result) {
+  case CURLE_AGAIN:
+    *written = 0;
+    return CURLE_OK;
+
+  case CURLE_OK:
+    /* general send failure */
+    return CURLE_SEND_ERROR;
+
+  default:
+    /* we got a specific curlcode, forward it */
+    return result;
+  }
+}
+
+ssize_t Curl_send_plain(struct connectdata *conn, int num,
+                        const void *mem, size_t len, CURLcode *code)
+{
+  curl_socket_t sockfd = conn->sock[num];
+  ssize_t bytes_written;
+  /* WinSock will destroy unread received data if send() is
+     failed.
+     To avoid lossage of received data, recv() must be
+     performed before every send() if any incoming data is
+     available. */
+  pre_receive_plain(conn, num);
+
+#if defined(MSG_FASTOPEN) && !defined(TCP_FASTOPEN_CONNECT) /* Linux */
+  if(conn->bits.tcp_fastopen) {
+    bytes_written = sendto(sockfd, mem, len, MSG_FASTOPEN,
+                           conn->ip_addr->ai_addr, conn->ip_addr->ai_addrlen);
+    conn->bits.tcp_fastopen = FALSE;
+  }
+  else
+#endif
+    bytes_written = swrite(sockfd, mem, len);
+
+  *code = CURLE_OK;
+  if(-1 == bytes_written) {
+    int err = SOCKERRNO;
+
+    if(
+#ifdef WSAEWOULDBLOCK
+      /* This is how Windows does it */
+      (WSAEWOULDBLOCK == err)
+#else
+      /* errno may be EWOULDBLOCK or on some systems EAGAIN when it returned
+         due to its inability to send off data without blocking. We therefore
+         treat both error codes the same here */
+      (EWOULDBLOCK == err) || (EAGAIN == err) || (EINTR == err) ||
+      (EINPROGRESS == err)
+#endif
+      ) {
+      /* this is just a case of EWOULDBLOCK */
+      bytes_written = 0;
+      *code = CURLE_AGAIN;
+    }
+    else {
+      failf(conn->data, "Send failure: %s",
+            Curl_strerror(conn, err));
+      conn->data->state.os_errno = err;
+      *code = CURLE_SEND_ERROR;
+    }
+  }
+  return bytes_written;
+}
+
+/*
+ * Curl_write_plain() is an internal write function that sends data to the
+ * server using plain sockets only. Otherwise meant to have the exact same
+ * proto as Curl_write()
+ */
+CURLcode Curl_write_plain(struct connectdata *conn,
+                          curl_socket_t sockfd,
+                          const void *mem,
+                          size_t len,
+                          ssize_t *written)
+{
+  ssize_t bytes_written;
+  CURLcode result;
+  int num = (sockfd == conn->sock[SECONDARYSOCKET]);
+
+  bytes_written = Curl_send_plain(conn, num, mem, len, &result);
+
+  *written = bytes_written;
+
+  return result;
+}
+
+ssize_t Curl_recv_plain(struct connectdata *conn, int num, char *buf,
+                        size_t len, CURLcode *code)
+{
+  curl_socket_t sockfd = conn->sock[num];
+  ssize_t nread;
+  /* Check and return data that already received and storied in internal
+     intermediate buffer */
+  nread = get_pre_recved(conn, num, buf, len);
+  if(nread > 0) {
+    *code = CURLE_OK;
+    return nread;
+  }
+
+  nread = sread(sockfd, buf, len);
+
+  *code = CURLE_OK;
+  if(-1 == nread) {
+    int err = SOCKERRNO;
+
+    if(
+#ifdef WSAEWOULDBLOCK
+      /* This is how Windows does it */
+      (WSAEWOULDBLOCK == err)
+#else
+      /* errno may be EWOULDBLOCK or on some systems EAGAIN when it returned
+         due to its inability to send off data without blocking. We therefore
+         treat both error codes the same here */
+      (EWOULDBLOCK == err) || (EAGAIN == err) || (EINTR == err)
+#endif
+      ) {
+      /* this is just a case of EWOULDBLOCK */
+      *code = CURLE_AGAIN;
+    }
+    else {
+      failf(conn->data, "Recv failure: %s",
+            Curl_strerror(conn, err));
+      conn->data->state.os_errno = err;
+      *code = CURLE_RECV_ERROR;
+    }
+  }
+  return nread;
+}
+
+static CURLcode pausewrite(struct Curl_easy *data,
+                           int type, /* what type of data */
+                           const char *ptr,
+                           size_t len)
+{
+  /* signalled to pause sending on this connection, but since we have data
+     we want to send we need to dup it to save a copy for when the sending
+     is again enabled */
+  struct SingleRequest *k = &data->req;
+  struct UrlState *s = &data->state;
+  char *dupl;
+  unsigned int i;
+  bool newtype = TRUE;
+
+  if(s->tempcount) {
+    for(i = 0; i< s->tempcount; i++) {
+      if(s->tempwrite[i].type == type) {
+        /* data for this type exists */
+        newtype = FALSE;
+        break;
+      }
+    }
+    DEBUGASSERT(i < 3);
+  }
+  else
+    i = 0;
+
+  if(!newtype) {
+    /* append new data to old data */
+
+    /* figure out the new size of the data to save */
+    size_t newlen = len + s->tempwrite[i].len;
+    /* allocate the new memory area */
+    char *newptr = realloc(s->tempwrite[i].buf, newlen);
+    if(!newptr)
+      return CURLE_OUT_OF_MEMORY;
+    /* copy the new data to the end of the new area */
+    memcpy(newptr + s->tempwrite[i].len, ptr, len);
+
+    /* update the pointer and the size */
+    s->tempwrite[i].buf = newptr;
+    s->tempwrite[i].len = newlen;
+  }
+  else {
+    dupl = Curl_memdup(ptr, len);
+    if(!dupl)
+      return CURLE_OUT_OF_MEMORY;
+
+    /* store this information in the state struct for later use */
+    s->tempwrite[i].buf = dupl;
+    s->tempwrite[i].len = len;
+    s->tempwrite[i].type = type;
+
+    if(newtype)
+      s->tempcount++;
+  }
+
+  /* mark the connection as RECV paused */
+  k->keepon |= KEEP_RECV_PAUSE;
+
+  DEBUGF(infof(data, "Paused %zu bytes in buffer for type %02x\n",
+               len, type));
+
+  return CURLE_OK;
+}
+
+
+/* chop_write() writes chunks of data not larger than CURL_MAX_WRITE_SIZE via
+ * client write callback(s) and takes care of pause requests from the
+ * callbacks.
+ */
+static CURLcode chop_write(struct connectdata *conn,
+                           int type,
+                           char *optr,
+                           size_t olen)
+{
+  struct Curl_easy *data = conn->data;
+  curl_write_callback writeheader = NULL;
+  curl_write_callback writebody = NULL;
+  char *ptr = optr;
+  size_t len = olen;
+
+  if(!len)
+    return CURLE_OK;
+
+  /* If reading is paused, append this data to the already held data for this
+     type. */
+  if(data->req.keepon & KEEP_RECV_PAUSE)
+    return pausewrite(data, type, ptr, len);
+
+  /* Determine the callback(s) to use. */
+  if(type & CLIENTWRITE_BODY)
+    writebody = data->set.fwrite_func;
+  if((type & CLIENTWRITE_HEADER) &&
+     (data->set.fwrite_header || data->set.writeheader)) {
+    /*
+     * Write headers to the same callback or to the especially setup
+     * header callback function (added after version 7.7.1).
+     */
+    writeheader =
+      data->set.fwrite_header? data->set.fwrite_header: data->set.fwrite_func;
+  }
+
+  /* Chop data, write chunks. */
+  while(len) {
+    size_t chunklen = len <= CURL_MAX_WRITE_SIZE? len: CURL_MAX_WRITE_SIZE;
+
+    if(writebody) {
+      size_t wrote = writebody(ptr, 1, chunklen, data->set.out);
+
+      if(CURL_WRITEFUNC_PAUSE == wrote) {
+        if(conn->handler->flags & PROTOPT_NONETWORK) {
+          /* Protocols that work without network cannot be paused. This is
+             actually only FILE:// just now, and it can't pause since the
+             transfer isn't done using the "normal" procedure. */
+          failf(data, "Write callback asked for PAUSE when not supported!");
+          return CURLE_WRITE_ERROR;
+        }
+        return pausewrite(data, type, ptr, len);
+      }
+      if(wrote != chunklen) {
+        failf(data, "Failed writing body (%zu != %zu)", wrote, chunklen);
+        return CURLE_WRITE_ERROR;
+      }
+    }
+
+    ptr += chunklen;
+    len -= chunklen;
+  }
+
+  if(writeheader) {
+    size_t wrote;
+    ptr = optr;
+    len = olen;
+    Curl_set_in_callback(data, true);
+    wrote = writeheader(ptr, 1, len, data->set.writeheader);
+    Curl_set_in_callback(data, false);
+
+    if(CURL_WRITEFUNC_PAUSE == wrote)
+      /* here we pass in the HEADER bit only since if this was body as well
+         then it was passed already and clearly that didn't trigger the
+         pause, so this is saved for later with the HEADER bit only */
+      return pausewrite(data, CLIENTWRITE_HEADER, ptr, len);
+
+    if(wrote != len) {
+      failf(data, "Failed writing header");
+      return CURLE_WRITE_ERROR;
+    }
+  }
+
+  return CURLE_OK;
+}
+
+
+/* Curl_client_write() sends data to the write callback(s)
+
+   The bit pattern defines to what "streams" to write to. Body and/or header.
+   The defines are in sendf.h of course.
+
+   If CURL_DO_LINEEND_CONV is enabled, data is converted IN PLACE to the
+   local character encoding.  This is a problem and should be changed in
+   the future to leave the original data alone.
+ */
+CURLcode Curl_client_write(struct connectdata *conn,
+                           int type,
+                           char *ptr,
+                           size_t len)
+{
+  struct Curl_easy *data = conn->data;
+
+  if(0 == len)
+    len = strlen(ptr);
+
+  DEBUGASSERT(type <= 3);
+
+  /* FTP data may need conversion. */
+  if((type & CLIENTWRITE_BODY) &&
+    (conn->handler->protocol & PROTO_FAMILY_FTP) &&
+    conn->proto.ftpc.transfertype == 'A') {
+    /* convert from the network encoding */
+    CURLcode result = Curl_convert_from_network(data, ptr, len);
+    /* Curl_convert_from_network calls failf if unsuccessful */
+    if(result)
+      return result;
+
+#ifdef CURL_DO_LINEEND_CONV
+    /* convert end-of-line markers */
+    len = convert_lineends(data, ptr, len);
+#endif /* CURL_DO_LINEEND_CONV */
+    }
+
+  return chop_write(conn, type, ptr, len);
+}
+
+CURLcode Curl_read_plain(curl_socket_t sockfd,
+                         char *buf,
+                         size_t bytesfromsocket,
+                         ssize_t *n)
+{
+  ssize_t nread = sread(sockfd, buf, bytesfromsocket);
+
+  if(-1 == nread) {
+    int err = SOCKERRNO;
+    int return_error;
+#ifdef USE_WINSOCK
+    return_error = WSAEWOULDBLOCK == err;
+#else
+    return_error = EWOULDBLOCK == err || EAGAIN == err || EINTR == err;
+#endif
+    if(return_error)
+      return CURLE_AGAIN;
+    return CURLE_RECV_ERROR;
+  }
+
+  /* we only return number of bytes read when we return OK */
+  *n = nread;
+  return CURLE_OK;
+}
+
+/*
+ * Internal read-from-socket function. This is meant to deal with plain
+ * sockets, SSL sockets and kerberos sockets.
+ *
+ * Returns a regular CURLcode value.
+ */
+CURLcode Curl_read(struct connectdata *conn, /* connection data */
+                   curl_socket_t sockfd,     /* read from this socket */
+                   char *buf,                /* store read data here */
+                   size_t sizerequested,     /* max amount to read */
+                   ssize_t *n)               /* amount bytes read */
+{
+  CURLcode result = CURLE_RECV_ERROR;
+  ssize_t nread = 0;
+  size_t bytesfromsocket = 0;
+  char *buffertofill = NULL;
+  struct Curl_easy *data = conn->data;
+
+  /* if HTTP/1 pipelining is both wanted and possible */
+  bool pipelining = Curl_pipeline_wanted(data->multi, CURLPIPE_HTTP1) &&
+    (conn->bundle->multiuse == BUNDLE_PIPELINING);
+
+  /* Set 'num' to 0 or 1, depending on which socket that has been sent here.
+     If it is the second socket, we set num to 1. Otherwise to 0. This lets
+     us use the correct ssl handle. */
+  int num = (sockfd == conn->sock[SECONDARYSOCKET]);
+
+  *n = 0; /* reset amount to zero */
+
+  /* If session can pipeline, check connection buffer  */
+  if(pipelining) {
+    size_t bytestocopy = CURLMIN(conn->buf_len - conn->read_pos,
+                                 sizerequested);
+
+    /* Copy from our master buffer first if we have some unread data there*/
+    if(bytestocopy > 0) {
+      memcpy(buf, conn->master_buffer + conn->read_pos, bytestocopy);
+      conn->read_pos += bytestocopy;
+      conn->bits.stream_was_rewound = FALSE;
+
+      *n = (ssize_t)bytestocopy;
+      return CURLE_OK;
+    }
+    /* If we come here, it means that there is no data to read from the buffer,
+     * so we read from the socket */
+    bytesfromsocket = CURLMIN(sizerequested, MASTERBUF_SIZE);
+    buffertofill = conn->master_buffer;
+  }
+  else {
+    bytesfromsocket = CURLMIN(sizerequested, (size_t)data->set.buffer_size);
+    buffertofill = buf;
+  }
+
+  nread = conn->recv[num](conn, num, buffertofill, bytesfromsocket, &result);
+  if(nread < 0)
+    return result;
+
+  if(pipelining) {
+    memcpy(buf, conn->master_buffer, nread);
+    conn->buf_len = nread;
+    conn->read_pos = nread;
+  }
+
+  *n += nread;
+
+  return CURLE_OK;
+}
+
+/* return 0 on success */
+int Curl_debug(struct Curl_easy *data, curl_infotype type,
+               char *ptr, size_t size)
+{
+  static const char s_infotype[CURLINFO_END][3] = {
+    "* ", "< ", "> ", "{ ", "} ", "{ ", "} " };
+  int rc = 0;
+
+#ifdef CURL_DOES_CONVERSIONS
+  char *buf = NULL;
+  size_t conv_size = 0;
+
+  switch(type) {
+  case CURLINFO_HEADER_OUT:
+    buf = Curl_memdup(ptr, size);
+    if(!buf)
+      return 1;
+    conv_size = size;
+
+    /* Special processing is needed for this block if it
+     * contains both headers and data (separated by CRLFCRLF).
+     * We want to convert just the headers, leaving the data as-is.
+     */
+    if(size > 4) {
+      size_t i;
+      for(i = 0; i < size-4; i++) {
+        if(memcmp(&buf[i], "\x0d\x0a\x0d\x0a", 4) == 0) {
+          /* convert everything through this CRLFCRLF but no further */
+          conv_size = i + 4;
+          break;
+        }
+      }
+    }
+
+    Curl_convert_from_network(data, buf, conv_size);
+    /* Curl_convert_from_network calls failf if unsuccessful */
+    /* we might as well continue even if it fails...   */
+    ptr = buf; /* switch pointer to use my buffer instead */
+    break;
+  default:
+    /* leave everything else as-is */
+    break;
+  }
+#endif /* CURL_DOES_CONVERSIONS */
+
+  if(data->set.fdebug) {
+    Curl_set_in_callback(data, true);
+    rc = (*data->set.fdebug)(data, type, ptr, size, data->set.debugdata);
+    Curl_set_in_callback(data, false);
+  }
+  else {
+    switch(type) {
+    case CURLINFO_TEXT:
+    case CURLINFO_HEADER_OUT:
+    case CURLINFO_HEADER_IN:
+      fwrite(s_infotype[type], 2, 1, data->set.err);
+      fwrite(ptr, size, 1, data->set.err);
+#ifdef CURL_DOES_CONVERSIONS
+      if(size != conv_size) {
+        /* we had untranslated data so we need an explicit newline */
+        fwrite("\n", 1, 1, data->set.err);
+      }
+#endif
+      break;
+    default: /* nada */
+      break;
+    }
+  }
+#ifdef CURL_DOES_CONVERSIONS
+  free(buf);
+#endif
+  return rc;
+}
Index: trunk/src/libs/curl-7.64.0/lib/sendf.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/sendf.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/sendf.h	(revision 85671)
@@ -0,0 +1,91 @@
+#ifndef HEADER_CURL_SENDF_H
+#define HEADER_CURL_SENDF_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+CURLcode Curl_sendf(curl_socket_t sockfd, struct connectdata *,
+                    const char *fmt, ...);
+void Curl_infof(struct Curl_easy *, const char *fmt, ...);
+void Curl_failf(struct Curl_easy *, const char *fmt, ...);
+
+#if defined(CURL_DISABLE_VERBOSE_STRINGS)
+
+#if defined(HAVE_VARIADIC_MACROS_C99)
+#define infof(...)  Curl_nop_stmt
+#elif defined(HAVE_VARIADIC_MACROS_GCC)
+#define infof(x...)  Curl_nop_stmt
+#else
+#error "missing VARIADIC macro define, fix and rebuild!"
+#endif
+
+#else /* CURL_DISABLE_VERBOSE_STRINGS */
+
+#define infof Curl_infof
+
+#endif /* CURL_DISABLE_VERBOSE_STRINGS */
+
+#define failf Curl_failf
+
+#define CLIENTWRITE_BODY   (1<<0)
+#define CLIENTWRITE_HEADER (1<<1)
+#define CLIENTWRITE_BOTH   (CLIENTWRITE_BODY|CLIENTWRITE_HEADER)
+
+CURLcode Curl_client_write(struct connectdata *conn, int type, char *ptr,
+                           size_t len) WARN_UNUSED_RESULT;
+
+bool Curl_recv_has_postponed_data(struct connectdata *conn, int sockindex);
+
+/* internal read-function, does plain socket only */
+CURLcode Curl_read_plain(curl_socket_t sockfd,
+                         char *buf,
+                         size_t bytesfromsocket,
+                         ssize_t *n);
+
+ssize_t Curl_recv_plain(struct connectdata *conn, int num, char *buf,
+                        size_t len, CURLcode *code);
+ssize_t Curl_send_plain(struct connectdata *conn, int num,
+                        const void *mem, size_t len, CURLcode *code);
+
+/* internal read-function, does plain socket, SSL and krb4 */
+CURLcode Curl_read(struct connectdata *conn, curl_socket_t sockfd,
+                   char *buf, size_t buffersize,
+                   ssize_t *n);
+/* internal write-function, does plain socket, SSL, SCP, SFTP and krb4 */
+CURLcode Curl_write(struct connectdata *conn,
+                    curl_socket_t sockfd,
+                    const void *mem, size_t len,
+                    ssize_t *written);
+
+/* internal write-function, does plain sockets ONLY */
+CURLcode Curl_write_plain(struct connectdata *conn,
+                          curl_socket_t sockfd,
+                          const void *mem, size_t len,
+                          ssize_t *written);
+
+/* the function used to output verbose information */
+int Curl_debug(struct Curl_easy *data, curl_infotype type,
+               char *ptr, size_t size);
+
+
+#endif /* HEADER_CURL_SENDF_H */
Index: trunk/src/libs/curl-7.64.0/lib/setopt.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/setopt.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/setopt.c	(revision 85671)
@@ -0,0 +1,2686 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <limits.h>
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+
+#ifdef HAVE_LINUX_TCP_H
+#include <linux/tcp.h>
+#endif
+
+#include "urldata.h"
+#include "url.h"
+#include "progress.h"
+#include "content_encoding.h"
+#include "strcase.h"
+#include "share.h"
+#include "vtls/vtls.h"
+#include "warnless.h"
+#include "sendf.h"
+#include "http2.h"
+#include "setopt.h"
+#include "multiif.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+CURLcode Curl_setstropt(char **charp, const char *s)
+{
+  /* Release the previous storage at `charp' and replace by a dynamic storage
+     copy of `s'. Return CURLE_OK or CURLE_OUT_OF_MEMORY. */
+
+  Curl_safefree(*charp);
+
+  if(s) {
+    char *str = strdup(s);
+
+    if(!str)
+      return CURLE_OUT_OF_MEMORY;
+
+    *charp = str;
+  }
+
+  return CURLE_OK;
+}
+
+static CURLcode setstropt_userpwd(char *option, char **userp, char **passwdp)
+{
+  CURLcode result = CURLE_OK;
+  char *user = NULL;
+  char *passwd = NULL;
+
+  /* Parse the login details if specified. It not then we treat NULL as a hint
+     to clear the existing data */
+  if(option) {
+    result = Curl_parse_login_details(option, strlen(option),
+                                      (userp ? &user : NULL),
+                                      (passwdp ? &passwd : NULL),
+                                      NULL);
+  }
+
+  if(!result) {
+    /* Store the username part of option if required */
+    if(userp) {
+      if(!user && option && option[0] == ':') {
+        /* Allocate an empty string instead of returning NULL as user name */
+        user = strdup("");
+        if(!user)
+          result = CURLE_OUT_OF_MEMORY;
+      }
+
+      Curl_safefree(*userp);
+      *userp = user;
+    }
+
+    /* Store the password part of option if required */
+    if(passwdp) {
+      Curl_safefree(*passwdp);
+      *passwdp = passwd;
+    }
+  }
+
+  return result;
+}
+
+#define C_SSLVERSION_VALUE(x) (x & 0xffff)
+#define C_SSLVERSION_MAX_VALUE(x) (x & 0xffff0000)
+
+CURLcode Curl_vsetopt(struct Curl_easy *data, CURLoption option,
+                      va_list param)
+{
+  char *argptr;
+  CURLcode result = CURLE_OK;
+  long arg;
+  curl_off_t bigsize;
+
+  switch(option) {
+  case CURLOPT_DNS_CACHE_TIMEOUT:
+    arg = va_arg(param, long);
+    if(arg < -1)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.dns_cache_timeout = arg;
+    break;
+  case CURLOPT_DNS_USE_GLOBAL_CACHE:
+#if 0 /* deprecated */
+    /* remember we want this enabled */
+    arg = va_arg(param, long);
+    data->set.global_dns_cache = (0 != arg) ? TRUE : FALSE;
+#endif
+    break;
+  case CURLOPT_SSL_CIPHER_LIST:
+    /* set a list of cipher we want to use in the SSL connection */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_CIPHER_LIST_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXY_SSL_CIPHER_LIST:
+    /* set a list of cipher we want to use in the SSL connection for proxy */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_CIPHER_LIST_PROXY],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_TLS13_CIPHERS:
+    if(Curl_ssl_tls13_ciphersuites()) {
+      /* set preferred list of TLS 1.3 cipher suites */
+      result = Curl_setstropt(&data->set.str[STRING_SSL_CIPHER13_LIST_ORIG],
+                              va_arg(param, char *));
+    }
+    else
+      return CURLE_NOT_BUILT_IN;
+    break;
+  case CURLOPT_PROXY_TLS13_CIPHERS:
+    if(Curl_ssl_tls13_ciphersuites()) {
+      /* set preferred list of TLS 1.3 cipher suites for proxy */
+      result = Curl_setstropt(&data->set.str[STRING_SSL_CIPHER13_LIST_PROXY],
+                              va_arg(param, char *));
+    }
+    else
+      return CURLE_NOT_BUILT_IN;
+    break;
+
+  case CURLOPT_RANDOM_FILE:
+    /*
+     * This is the path name to a file that contains random data to seed
+     * the random SSL stuff with. The file is only used for reading.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_RANDOM_FILE],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_EGDSOCKET:
+    /*
+     * The Entropy Gathering Daemon socket pathname
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_EGDSOCKET],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_MAXCONNECTS:
+    /*
+     * Set the absolute number of maximum simultaneous alive connection that
+     * libcurl is allowed to have.
+     */
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.maxconnects = arg;
+    break;
+  case CURLOPT_FORBID_REUSE:
+    /*
+     * When this transfer is done, it must not be left to be reused by a
+     * subsequent transfer but shall be closed immediately.
+     */
+    data->set.reuse_forbid = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_FRESH_CONNECT:
+    /*
+     * This transfer shall not use a previously cached connection but
+     * should be made with a fresh new connect!
+     */
+    data->set.reuse_fresh = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_VERBOSE:
+    /*
+     * Verbose means infof() calls that give a lot of information about
+     * the connection and transfer procedures as well as internal choices.
+     */
+    data->set.verbose = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_HEADER:
+    /*
+     * Set to include the header in the general data output stream.
+     */
+    data->set.include_header = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_NOPROGRESS:
+    /*
+     * Shut off the internal supported progress meter
+     */
+    data->set.hide_progress = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    if(data->set.hide_progress)
+      data->progress.flags |= PGRS_HIDE;
+    else
+      data->progress.flags &= ~PGRS_HIDE;
+    break;
+  case CURLOPT_NOBODY:
+    /*
+     * Do not include the body part in the output data stream.
+     */
+    data->set.opt_no_body = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_FAILONERROR:
+    /*
+     * Don't output the >=400 error code HTML-page, but instead only
+     * return error.
+     */
+    data->set.http_fail_on_error = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_KEEP_SENDING_ON_ERROR:
+    data->set.http_keep_sending_on_error = (0 != va_arg(param, long)) ?
+      TRUE : FALSE;
+    break;
+  case CURLOPT_UPLOAD:
+  case CURLOPT_PUT:
+    /*
+     * We want to sent data to the remote host. If this is HTTP, that equals
+     * using the PUT request.
+     */
+    data->set.upload = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    if(data->set.upload) {
+      /* If this is HTTP, PUT is what's needed to "upload" */
+      data->set.httpreq = HTTPREQ_PUT;
+      data->set.opt_no_body = FALSE; /* this is implied */
+    }
+    else
+      /* In HTTP, the opposite of upload is GET (unless NOBODY is true as
+         then this can be changed to HEAD later on) */
+      data->set.httpreq = HTTPREQ_GET;
+    break;
+  case CURLOPT_REQUEST_TARGET:
+    result = Curl_setstropt(&data->set.str[STRING_TARGET],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_FILETIME:
+    /*
+     * Try to get the file time of the remote document. The time will
+     * later (possibly) become available using curl_easy_getinfo().
+     */
+    data->set.get_filetime = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_FTP_CREATE_MISSING_DIRS:
+    /*
+     * An FTP option that modifies an upload to create missing directories on
+     * the server.
+     */
+    switch(va_arg(param, long)) {
+    case 0:
+      data->set.ftp_create_missing_dirs = 0;
+      break;
+    case 1:
+      data->set.ftp_create_missing_dirs = 1;
+      break;
+    case 2:
+      data->set.ftp_create_missing_dirs = 2;
+      break;
+    default:
+      /* reserve other values for future use */
+      result = CURLE_UNKNOWN_OPTION;
+      break;
+    }
+    break;
+  case CURLOPT_SERVER_RESPONSE_TIMEOUT:
+    /*
+     * Option that specifies how quickly an server response must be obtained
+     * before it is considered failure. For pingpong protocols.
+     */
+    arg = va_arg(param, long);
+    if((arg >= 0) && (arg <= (INT_MAX/1000)))
+      data->set.server_response_timeout = arg * 1000;
+    else
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    break;
+  case CURLOPT_TFTP_NO_OPTIONS:
+    /*
+     * Option that prevents libcurl from sending TFTP option requests to the
+     * server.
+     */
+    data->set.tftp_no_options = va_arg(param, long) != 0;
+    break;
+  case CURLOPT_TFTP_BLKSIZE:
+    /*
+     * TFTP option that specifies the block size to use for data transmission.
+     */
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.tftp_blksize = arg;
+    break;
+  case CURLOPT_DIRLISTONLY:
+    /*
+     * An option that changes the command to one that asks for a list
+     * only, no file info details.
+     */
+    data->set.ftp_list_only = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_APPEND:
+    /*
+     * We want to upload and append to an existing file.
+     */
+    data->set.ftp_append = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_FTP_FILEMETHOD:
+    /*
+     * How do access files over FTP.
+     */
+    arg = va_arg(param, long);
+    if((arg < CURLFTPMETHOD_DEFAULT) || (arg > CURLFTPMETHOD_SINGLECWD))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.ftp_filemethod = (curl_ftpfile)arg;
+    break;
+  case CURLOPT_NETRC:
+    /*
+     * Parse the $HOME/.netrc file
+     */
+    arg = va_arg(param, long);
+    if((arg < CURL_NETRC_IGNORED) || (arg > CURL_NETRC_REQUIRED))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.use_netrc = (enum CURL_NETRC_OPTION)arg;
+    break;
+  case CURLOPT_NETRC_FILE:
+    /*
+     * Use this file instead of the $HOME/.netrc file
+     */
+    result = Curl_setstropt(&data->set.str[STRING_NETRC_FILE],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_TRANSFERTEXT:
+    /*
+     * This option was previously named 'FTPASCII'. Renamed to work with
+     * more protocols than merely FTP.
+     *
+     * Transfer using ASCII (instead of BINARY).
+     */
+    data->set.prefer_ascii = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_TIMECONDITION:
+    /*
+     * Set HTTP time condition. This must be one of the defines in the
+     * curl/curl.h header file.
+     */
+    arg = va_arg(param, long);
+    if((arg < CURL_TIMECOND_NONE) || (arg > CURL_TIMECOND_LASTMOD))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.timecondition = (curl_TimeCond)arg;
+    break;
+  case CURLOPT_TIMEVALUE:
+    /*
+     * This is the value to compare with the remote document with the
+     * method set with CURLOPT_TIMECONDITION
+     */
+    data->set.timevalue = (time_t)va_arg(param, long);
+    break;
+
+  case CURLOPT_TIMEVALUE_LARGE:
+    /*
+     * This is the value to compare with the remote document with the
+     * method set with CURLOPT_TIMECONDITION
+     */
+    data->set.timevalue = (time_t)va_arg(param, curl_off_t);
+    break;
+
+  case CURLOPT_SSLVERSION:
+  case CURLOPT_PROXY_SSLVERSION:
+    /*
+     * Set explicit SSL version to try to connect with, as some SSL
+     * implementations are lame.
+     */
+#ifdef USE_SSL
+    {
+      long version, version_max;
+      struct ssl_primary_config *primary = (option == CURLOPT_SSLVERSION ?
+                                            &data->set.ssl.primary :
+                                            &data->set.proxy_ssl.primary);
+
+      arg = va_arg(param, long);
+
+      version = C_SSLVERSION_VALUE(arg);
+      version_max = C_SSLVERSION_MAX_VALUE(arg);
+
+      if(version < CURL_SSLVERSION_DEFAULT ||
+         version >= CURL_SSLVERSION_LAST ||
+         version_max < CURL_SSLVERSION_MAX_NONE ||
+         version_max >= CURL_SSLVERSION_MAX_LAST)
+        return CURLE_BAD_FUNCTION_ARGUMENT;
+
+      primary->version = version;
+      primary->version_max = version_max;
+    }
+#else
+    result = CURLE_UNKNOWN_OPTION;
+#endif
+    break;
+
+#ifndef CURL_DISABLE_HTTP
+  case CURLOPT_AUTOREFERER:
+    /*
+     * Switch on automatic referer that gets set if curl follows locations.
+     */
+    data->set.http_auto_referer = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_ACCEPT_ENCODING:
+    /*
+     * String to use at the value of Accept-Encoding header.
+     *
+     * If the encoding is set to "" we use an Accept-Encoding header that
+     * encompasses all the encodings we support.
+     * If the encoding is set to NULL we don't send an Accept-Encoding header
+     * and ignore an received Content-Encoding header.
+     *
+     */
+    argptr = va_arg(param, char *);
+    if(argptr && !*argptr) {
+      argptr = Curl_all_content_encodings();
+      if(!argptr)
+        result = CURLE_OUT_OF_MEMORY;
+      else {
+        result = Curl_setstropt(&data->set.str[STRING_ENCODING], argptr);
+        free(argptr);
+      }
+    }
+    else
+      result = Curl_setstropt(&data->set.str[STRING_ENCODING], argptr);
+    break;
+
+  case CURLOPT_TRANSFER_ENCODING:
+    data->set.http_transfer_encoding = (0 != va_arg(param, long)) ?
+      TRUE : FALSE;
+    break;
+
+  case CURLOPT_FOLLOWLOCATION:
+    /*
+     * Follow Location: header hints on a HTTP-server.
+     */
+    data->set.http_follow_location = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_UNRESTRICTED_AUTH:
+    /*
+     * Send authentication (user+password) when following locations, even when
+     * hostname changed.
+     */
+    data->set.allow_auth_to_other_hosts =
+      (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_MAXREDIRS:
+    /*
+     * The maximum amount of hops you allow curl to follow Location:
+     * headers. This should mostly be used to detect never-ending loops.
+     */
+    arg = va_arg(param, long);
+    if(arg < -1)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.maxredirs = arg;
+    break;
+
+  case CURLOPT_POSTREDIR:
+    /*
+     * Set the behaviour of POST when redirecting
+     * CURL_REDIR_GET_ALL - POST is changed to GET after 301 and 302
+     * CURL_REDIR_POST_301 - POST is kept as POST after 301
+     * CURL_REDIR_POST_302 - POST is kept as POST after 302
+     * CURL_REDIR_POST_303 - POST is kept as POST after 303
+     * CURL_REDIR_POST_ALL - POST is kept as POST after 301, 302 and 303
+     * other - POST is kept as POST after 301 and 302
+     */
+    arg = va_arg(param, long);
+    if(arg < CURL_REDIR_GET_ALL)
+      /* no return error on too high numbers since the bitmask could be
+         extended in a future */
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.keep_post = arg & CURL_REDIR_POST_ALL;
+    break;
+
+  case CURLOPT_POST:
+    /* Does this option serve a purpose anymore? Yes it does, when
+       CURLOPT_POSTFIELDS isn't used and the POST data is read off the
+       callback! */
+    if(va_arg(param, long)) {
+      data->set.httpreq = HTTPREQ_POST;
+      data->set.opt_no_body = FALSE; /* this is implied */
+    }
+    else
+      data->set.httpreq = HTTPREQ_GET;
+    break;
+
+  case CURLOPT_COPYPOSTFIELDS:
+    /*
+     * A string with POST data. Makes curl HTTP POST. Even if it is NULL.
+     * If needed, CURLOPT_POSTFIELDSIZE must have been set prior to
+     *  CURLOPT_COPYPOSTFIELDS and not altered later.
+     */
+    argptr = va_arg(param, char *);
+
+    if(!argptr || data->set.postfieldsize == -1)
+      result = Curl_setstropt(&data->set.str[STRING_COPYPOSTFIELDS], argptr);
+    else {
+      /*
+       *  Check that requested length does not overflow the size_t type.
+       */
+
+      if((data->set.postfieldsize < 0) ||
+         ((sizeof(curl_off_t) != sizeof(size_t)) &&
+          (data->set.postfieldsize > (curl_off_t)((size_t)-1))))
+        result = CURLE_OUT_OF_MEMORY;
+      else {
+        char *p;
+
+        (void) Curl_setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
+
+        /* Allocate even when size == 0. This satisfies the need of possible
+           later address compare to detect the COPYPOSTFIELDS mode, and
+           to mark that postfields is used rather than read function or
+           form data.
+        */
+        p = malloc((size_t)(data->set.postfieldsize?
+                            data->set.postfieldsize:1));
+
+        if(!p)
+          result = CURLE_OUT_OF_MEMORY;
+        else {
+          if(data->set.postfieldsize)
+            memcpy(p, argptr, (size_t)data->set.postfieldsize);
+
+          data->set.str[STRING_COPYPOSTFIELDS] = p;
+        }
+      }
+    }
+
+    data->set.postfields = data->set.str[STRING_COPYPOSTFIELDS];
+    data->set.httpreq = HTTPREQ_POST;
+    break;
+
+  case CURLOPT_POSTFIELDS:
+    /*
+     * Like above, but use static data instead of copying it.
+     */
+    data->set.postfields = va_arg(param, void *);
+    /* Release old copied data. */
+    (void) Curl_setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
+    data->set.httpreq = HTTPREQ_POST;
+    break;
+
+  case CURLOPT_POSTFIELDSIZE:
+    /*
+     * The size of the POSTFIELD data to prevent libcurl to do strlen() to
+     * figure it out. Enables binary posts.
+     */
+    bigsize = va_arg(param, long);
+    if(bigsize < -1)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+
+    if(data->set.postfieldsize < bigsize &&
+       data->set.postfields == data->set.str[STRING_COPYPOSTFIELDS]) {
+      /* Previous CURLOPT_COPYPOSTFIELDS is no longer valid. */
+      (void) Curl_setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
+      data->set.postfields = NULL;
+    }
+
+    data->set.postfieldsize = bigsize;
+    break;
+
+  case CURLOPT_POSTFIELDSIZE_LARGE:
+    /*
+     * The size of the POSTFIELD data to prevent libcurl to do strlen() to
+     * figure it out. Enables binary posts.
+     */
+    bigsize = va_arg(param, curl_off_t);
+    if(bigsize < -1)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+
+    if(data->set.postfieldsize < bigsize &&
+       data->set.postfields == data->set.str[STRING_COPYPOSTFIELDS]) {
+      /* Previous CURLOPT_COPYPOSTFIELDS is no longer valid. */
+      (void) Curl_setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
+      data->set.postfields = NULL;
+    }
+
+    data->set.postfieldsize = bigsize;
+    break;
+
+  case CURLOPT_HTTPPOST:
+    /*
+     * Set to make us do HTTP POST
+     */
+    data->set.httppost = va_arg(param, struct curl_httppost *);
+    data->set.httpreq = HTTPREQ_POST_FORM;
+    data->set.opt_no_body = FALSE; /* this is implied */
+    break;
+#endif   /* CURL_DISABLE_HTTP */
+
+  case CURLOPT_MIMEPOST:
+    /*
+     * Set to make us do MIME/form POST
+     */
+    result = Curl_mime_set_subparts(&data->set.mimepost,
+                                    va_arg(param, curl_mime *), FALSE);
+    if(!result) {
+      data->set.httpreq = HTTPREQ_POST_MIME;
+      data->set.opt_no_body = FALSE; /* this is implied */
+    }
+    break;
+
+  case CURLOPT_REFERER:
+    /*
+     * String to set in the HTTP Referer: field.
+     */
+    if(data->change.referer_alloc) {
+      Curl_safefree(data->change.referer);
+      data->change.referer_alloc = FALSE;
+    }
+    result = Curl_setstropt(&data->set.str[STRING_SET_REFERER],
+                            va_arg(param, char *));
+    data->change.referer = data->set.str[STRING_SET_REFERER];
+    break;
+
+  case CURLOPT_USERAGENT:
+    /*
+     * String to use in the HTTP User-Agent field
+     */
+    result = Curl_setstropt(&data->set.str[STRING_USERAGENT],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_HTTPHEADER:
+    /*
+     * Set a list with HTTP headers to use (or replace internals with)
+     */
+    data->set.headers = va_arg(param, struct curl_slist *);
+    break;
+
+#ifndef CURL_DISABLE_HTTP
+  case CURLOPT_PROXYHEADER:
+    /*
+     * Set a list with proxy headers to use (or replace internals with)
+     *
+     * Since CURLOPT_HTTPHEADER was the only way to set HTTP headers for a
+     * long time we remain doing it this way until CURLOPT_PROXYHEADER is
+     * used. As soon as this option has been used, if set to anything but
+     * NULL, custom headers for proxies are only picked from this list.
+     *
+     * Set this option to NULL to restore the previous behavior.
+     */
+    data->set.proxyheaders = va_arg(param, struct curl_slist *);
+    break;
+
+  case CURLOPT_HEADEROPT:
+    /*
+     * Set header option.
+     */
+    arg = va_arg(param, long);
+    data->set.sep_headers = (arg & CURLHEADER_SEPARATE)? TRUE: FALSE;
+    break;
+
+  case CURLOPT_HTTP200ALIASES:
+    /*
+     * Set a list of aliases for HTTP 200 in response header
+     */
+    data->set.http200aliases = va_arg(param, struct curl_slist *);
+    break;
+
+#if !defined(CURL_DISABLE_COOKIES)
+  case CURLOPT_COOKIE:
+    /*
+     * Cookie string to send to the remote server in the request.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_COOKIE],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_COOKIEFILE:
+    /*
+     * Set cookie file to read and parse. Can be used multiple times.
+     */
+    argptr = (char *)va_arg(param, void *);
+    if(argptr) {
+      struct curl_slist *cl;
+      /* append the cookie file name to the list of file names, and deal with
+         them later */
+      cl = curl_slist_append(data->change.cookielist, argptr);
+      if(!cl) {
+        curl_slist_free_all(data->change.cookielist);
+        data->change.cookielist = NULL;
+        return CURLE_OUT_OF_MEMORY;
+      }
+      data->change.cookielist = cl; /* store the list for later use */
+    }
+    break;
+
+  case CURLOPT_COOKIEJAR:
+    /*
+     * Set cookie file name to dump all cookies to when we're done.
+     */
+  {
+    struct CookieInfo *newcookies;
+    result = Curl_setstropt(&data->set.str[STRING_COOKIEJAR],
+                            va_arg(param, char *));
+
+    /*
+     * Activate the cookie parser. This may or may not already
+     * have been made.
+     */
+    newcookies = Curl_cookie_init(data, NULL, data->cookies,
+                                  data->set.cookiesession);
+    if(!newcookies)
+      result = CURLE_OUT_OF_MEMORY;
+    data->cookies = newcookies;
+  }
+  break;
+
+  case CURLOPT_COOKIESESSION:
+    /*
+     * Set this option to TRUE to start a new "cookie session". It will
+     * prevent the forthcoming read-cookies-from-file actions to accept
+     * cookies that are marked as being session cookies, as they belong to a
+     * previous session.
+     *
+     * In the original Netscape cookie spec, "session cookies" are cookies
+     * with no expire date set. RFC2109 describes the same action if no
+     * 'Max-Age' is set and RFC2965 includes the RFC2109 description and adds
+     * a 'Discard' action that can enforce the discard even for cookies that
+     * have a Max-Age.
+     *
+     * We run mostly with the original cookie spec, as hardly anyone implements
+     * anything else.
+     */
+    data->set.cookiesession = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_COOKIELIST:
+    argptr = va_arg(param, char *);
+
+    if(argptr == NULL)
+      break;
+
+    if(strcasecompare(argptr, "ALL")) {
+      /* clear all cookies */
+      Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
+      Curl_cookie_clearall(data->cookies);
+      Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
+    }
+    else if(strcasecompare(argptr, "SESS")) {
+      /* clear session cookies */
+      Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
+      Curl_cookie_clearsess(data->cookies);
+      Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
+    }
+    else if(strcasecompare(argptr, "FLUSH")) {
+      /* flush cookies to file, takes care of the locking */
+      Curl_flush_cookies(data, 0);
+    }
+    else if(strcasecompare(argptr, "RELOAD")) {
+      /* reload cookies from file */
+      Curl_cookie_loadfiles(data);
+      break;
+    }
+    else {
+      if(!data->cookies)
+        /* if cookie engine was not running, activate it */
+        data->cookies = Curl_cookie_init(data, NULL, NULL, TRUE);
+
+      argptr = strdup(argptr);
+      if(!argptr || !data->cookies) {
+        result = CURLE_OUT_OF_MEMORY;
+        free(argptr);
+      }
+      else {
+        Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
+
+        if(checkprefix("Set-Cookie:", argptr))
+          /* HTTP Header format line */
+          Curl_cookie_add(data, data->cookies, TRUE, FALSE, argptr + 11, NULL,
+                          NULL, TRUE);
+
+        else
+          /* Netscape format line */
+          Curl_cookie_add(data, data->cookies, FALSE, FALSE, argptr, NULL,
+                          NULL, TRUE);
+
+        Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
+        free(argptr);
+      }
+    }
+
+    break;
+#endif /* !CURL_DISABLE_COOKIES */
+
+  case CURLOPT_HTTPGET:
+    /*
+     * Set to force us do HTTP GET
+     */
+    if(va_arg(param, long)) {
+      data->set.httpreq = HTTPREQ_GET;
+      data->set.upload = FALSE; /* switch off upload */
+      data->set.opt_no_body = FALSE; /* this is implied */
+    }
+    break;
+
+  case CURLOPT_HTTP_VERSION:
+    /*
+     * This sets a requested HTTP version to be used. The value is one of
+     * the listed enums in curl/curl.h.
+     */
+    arg = va_arg(param, long);
+    if(arg < CURL_HTTP_VERSION_NONE)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+#ifndef USE_NGHTTP2
+    if(arg >= CURL_HTTP_VERSION_2)
+      return CURLE_UNSUPPORTED_PROTOCOL;
+#else
+    if(arg > CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE)
+      return CURLE_UNSUPPORTED_PROTOCOL;
+    if(arg == CURL_HTTP_VERSION_NONE)
+      arg = CURL_HTTP_VERSION_2TLS;
+#endif
+    data->set.httpversion = arg;
+    break;
+
+  case CURLOPT_EXPECT_100_TIMEOUT_MS:
+    /*
+     * Time to wait for a response to a HTTP request containing an
+     * Expect: 100-continue header before sending the data anyway.
+     */
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.expect_100_timeout = arg;
+    break;
+
+  case CURLOPT_HTTP09_ALLOWED:
+    arg = va_arg(param, unsigned long);
+    if(arg > 1L)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.http09_allowed = arg ? TRUE : FALSE;
+    break;
+#endif   /* CURL_DISABLE_HTTP */
+
+  case CURLOPT_HTTPAUTH:
+    /*
+     * Set HTTP Authentication type BITMASK.
+     */
+  {
+    int bitcheck;
+    bool authbits;
+    unsigned long auth = va_arg(param, unsigned long);
+
+    if(auth == CURLAUTH_NONE) {
+      data->set.httpauth = auth;
+      break;
+    }
+
+    /* the DIGEST_IE bit is only used to set a special marker, for all the
+       rest we need to handle it as normal DIGEST */
+    data->state.authhost.iestyle = (auth & CURLAUTH_DIGEST_IE) ? TRUE : FALSE;
+
+    if(auth & CURLAUTH_DIGEST_IE) {
+      auth |= CURLAUTH_DIGEST; /* set standard digest bit */
+      auth &= ~CURLAUTH_DIGEST_IE; /* unset ie digest bit */
+    }
+
+    /* switch off bits we can't support */
+#ifndef USE_NTLM
+    auth &= ~CURLAUTH_NTLM;    /* no NTLM support */
+    auth &= ~CURLAUTH_NTLM_WB; /* no NTLM_WB support */
+#elif !defined(NTLM_WB_ENABLED)
+    auth &= ~CURLAUTH_NTLM_WB; /* no NTLM_WB support */
+#endif
+#ifndef USE_SPNEGO
+    auth &= ~CURLAUTH_NEGOTIATE; /* no Negotiate (SPNEGO) auth without
+                                    GSS-API or SSPI */
+#endif
+
+    /* check if any auth bit lower than CURLAUTH_ONLY is still set */
+    bitcheck = 0;
+    authbits = FALSE;
+    while(bitcheck < 31) {
+      if(auth & (1UL << bitcheck++)) {
+        authbits = TRUE;
+        break;
+      }
+    }
+    if(!authbits)
+      return CURLE_NOT_BUILT_IN; /* no supported types left! */
+
+    data->set.httpauth = auth;
+  }
+  break;
+
+  case CURLOPT_CUSTOMREQUEST:
+    /*
+     * Set a custom string to use as request
+     */
+    result = Curl_setstropt(&data->set.str[STRING_CUSTOMREQUEST],
+                            va_arg(param, char *));
+
+    /* we don't set
+       data->set.httpreq = HTTPREQ_CUSTOM;
+       here, we continue as if we were using the already set type
+       and this just changes the actual request keyword */
+    break;
+
+#ifndef CURL_DISABLE_PROXY
+  case CURLOPT_HTTPPROXYTUNNEL:
+    /*
+     * Tunnel operations through the proxy instead of normal proxy use
+     */
+    data->set.tunnel_thru_httpproxy = (0 != va_arg(param, long)) ?
+      TRUE : FALSE;
+    break;
+
+  case CURLOPT_PROXYPORT:
+    /*
+     * Explicitly set HTTP proxy port number.
+     */
+    arg = va_arg(param, long);
+    if((arg < 0) || (arg > 65535))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.proxyport = arg;
+    break;
+
+  case CURLOPT_PROXYAUTH:
+    /*
+     * Set HTTP Authentication type BITMASK.
+     */
+  {
+    int bitcheck;
+    bool authbits;
+    unsigned long auth = va_arg(param, unsigned long);
+
+    if(auth == CURLAUTH_NONE) {
+      data->set.proxyauth = auth;
+      break;
+    }
+
+    /* the DIGEST_IE bit is only used to set a special marker, for all the
+       rest we need to handle it as normal DIGEST */
+    data->state.authproxy.iestyle = (auth & CURLAUTH_DIGEST_IE) ? TRUE : FALSE;
+
+    if(auth & CURLAUTH_DIGEST_IE) {
+      auth |= CURLAUTH_DIGEST; /* set standard digest bit */
+      auth &= ~CURLAUTH_DIGEST_IE; /* unset ie digest bit */
+    }
+    /* switch off bits we can't support */
+#ifndef USE_NTLM
+    auth &= ~CURLAUTH_NTLM;    /* no NTLM support */
+    auth &= ~CURLAUTH_NTLM_WB; /* no NTLM_WB support */
+#elif !defined(NTLM_WB_ENABLED)
+    auth &= ~CURLAUTH_NTLM_WB; /* no NTLM_WB support */
+#endif
+#ifndef USE_SPNEGO
+    auth &= ~CURLAUTH_NEGOTIATE; /* no Negotiate (SPNEGO) auth without
+                                    GSS-API or SSPI */
+#endif
+
+    /* check if any auth bit lower than CURLAUTH_ONLY is still set */
+    bitcheck = 0;
+    authbits = FALSE;
+    while(bitcheck < 31) {
+      if(auth & (1UL << bitcheck++)) {
+        authbits = TRUE;
+        break;
+      }
+    }
+    if(!authbits)
+      return CURLE_NOT_BUILT_IN; /* no supported types left! */
+
+    data->set.proxyauth = auth;
+  }
+  break;
+
+  case CURLOPT_PROXY:
+    /*
+     * Set proxy server:port to use as proxy.
+     *
+     * If the proxy is set to "" (and CURLOPT_SOCKS_PROXY is set to "" or NULL)
+     * we explicitly say that we don't want to use a proxy
+     * (even though there might be environment variables saying so).
+     *
+     * Setting it to NULL, means no proxy but allows the environment variables
+     * to decide for us (if CURLOPT_SOCKS_PROXY setting it to NULL).
+     */
+    result = Curl_setstropt(&data->set.str[STRING_PROXY],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_PRE_PROXY:
+    /*
+     * Set proxy server:port to use as SOCKS proxy.
+     *
+     * If the proxy is set to "" or NULL we explicitly say that we don't want
+     * to use the socks proxy.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_PRE_PROXY],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_PROXYTYPE:
+    /*
+     * Set proxy type. HTTP/HTTP_1_0/SOCKS4/SOCKS4a/SOCKS5/SOCKS5_HOSTNAME
+     */
+    arg = va_arg(param, long);
+    if((arg < CURLPROXY_HTTP) || (arg > CURLPROXY_SOCKS5_HOSTNAME))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.proxytype = (curl_proxytype)arg;
+    break;
+
+  case CURLOPT_PROXY_TRANSFER_MODE:
+    /*
+     * set transfer mode (;type=<a|i>) when doing FTP via an HTTP proxy
+     */
+    switch(va_arg(param, long)) {
+    case 0:
+      data->set.proxy_transfer_mode = FALSE;
+      break;
+    case 1:
+      data->set.proxy_transfer_mode = TRUE;
+      break;
+    default:
+      /* reserve other values for future use */
+      result = CURLE_UNKNOWN_OPTION;
+      break;
+    }
+    break;
+#endif   /* CURL_DISABLE_PROXY */
+
+  case CURLOPT_SOCKS5_AUTH:
+    data->set.socks5auth = va_arg(param, unsigned long);
+    if(data->set.socks5auth & ~(CURLAUTH_BASIC | CURLAUTH_GSSAPI))
+      result = CURLE_NOT_BUILT_IN;
+    break;
+#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
+  case CURLOPT_SOCKS5_GSSAPI_NEC:
+    /*
+     * Set flag for NEC SOCK5 support
+     */
+    data->set.socks5_gssapi_nec = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+#endif
+
+  case CURLOPT_SOCKS5_GSSAPI_SERVICE:
+  case CURLOPT_PROXY_SERVICE_NAME:
+    /*
+     * Set proxy authentication service name for Kerberos 5 and SPNEGO
+     */
+    result = Curl_setstropt(&data->set.str[STRING_PROXY_SERVICE_NAME],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_SERVICE_NAME:
+    /*
+     * Set authentication service name for DIGEST-MD5, Kerberos 5 and SPNEGO
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SERVICE_NAME],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_HEADERDATA:
+    /*
+     * Custom pointer to pass the header write callback function
+     */
+    data->set.writeheader = (void *)va_arg(param, void *);
+    break;
+  case CURLOPT_ERRORBUFFER:
+    /*
+     * Error buffer provided by the caller to get the human readable
+     * error string in.
+     */
+    data->set.errorbuffer = va_arg(param, char *);
+    break;
+  case CURLOPT_WRITEDATA:
+    /*
+     * FILE pointer to write to. Or possibly
+     * used as argument to the write callback.
+     */
+    data->set.out = va_arg(param, void *);
+    break;
+  case CURLOPT_FTPPORT:
+    /*
+     * Use FTP PORT, this also specifies which IP address to use
+     */
+    result = Curl_setstropt(&data->set.str[STRING_FTPPORT],
+                            va_arg(param, char *));
+    data->set.ftp_use_port = (data->set.str[STRING_FTPPORT]) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_FTP_USE_EPRT:
+    data->set.ftp_use_eprt = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_FTP_USE_EPSV:
+    data->set.ftp_use_epsv = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_FTP_USE_PRET:
+    data->set.ftp_use_pret = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_FTP_SSL_CCC:
+    arg = va_arg(param, long);
+    if((arg < CURLFTPSSL_CCC_NONE) || (arg > CURLFTPSSL_CCC_ACTIVE))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.ftp_ccc = (curl_ftpccc)arg;
+    break;
+
+  case CURLOPT_FTP_SKIP_PASV_IP:
+    /*
+     * Enable or disable FTP_SKIP_PASV_IP, which will disable/enable the
+     * bypass of the IP address in PASV responses.
+     */
+    data->set.ftp_skip_ip = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_READDATA:
+    /*
+     * FILE pointer to read the file to be uploaded from. Or possibly
+     * used as argument to the read callback.
+     */
+    data->set.in_set = va_arg(param, void *);
+    break;
+  case CURLOPT_INFILESIZE:
+    /*
+     * If known, this should inform curl about the file size of the
+     * to-be-uploaded file.
+     */
+    arg = va_arg(param, long);
+    if(arg < -1)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.filesize = arg;
+    break;
+  case CURLOPT_INFILESIZE_LARGE:
+    /*
+     * If known, this should inform curl about the file size of the
+     * to-be-uploaded file.
+     */
+    bigsize = va_arg(param, curl_off_t);
+    if(bigsize < -1)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.filesize = bigsize;
+    break;
+  case CURLOPT_LOW_SPEED_LIMIT:
+    /*
+     * The low speed limit that if transfers are below this for
+     * CURLOPT_LOW_SPEED_TIME, the transfer is aborted.
+     */
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.low_speed_limit = arg;
+    break;
+  case CURLOPT_MAX_SEND_SPEED_LARGE:
+    /*
+     * When transfer uploads are faster then CURLOPT_MAX_SEND_SPEED_LARGE
+     * bytes per second the transfer is throttled..
+     */
+    bigsize = va_arg(param, curl_off_t);
+    if(bigsize < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.max_send_speed = bigsize;
+    break;
+  case CURLOPT_MAX_RECV_SPEED_LARGE:
+    /*
+     * When receiving data faster than CURLOPT_MAX_RECV_SPEED_LARGE bytes per
+     * second the transfer is throttled..
+     */
+    bigsize = va_arg(param, curl_off_t);
+    if(bigsize < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.max_recv_speed = bigsize;
+    break;
+  case CURLOPT_LOW_SPEED_TIME:
+    /*
+     * The low speed time that if transfers are below the set
+     * CURLOPT_LOW_SPEED_LIMIT during this time, the transfer is aborted.
+     */
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.low_speed_time = arg;
+    break;
+  case CURLOPT_CURLU:
+    /*
+     * pass CURLU to set URL
+     */
+    data->set.uh = va_arg(param, CURLU *);
+    break;
+  case CURLOPT_URL:
+    /*
+     * The URL to fetch.
+     */
+    if(data->change.url_alloc) {
+      /* the already set URL is allocated, free it first! */
+      Curl_safefree(data->change.url);
+      data->change.url_alloc = FALSE;
+    }
+    result = Curl_setstropt(&data->set.str[STRING_SET_URL],
+                            va_arg(param, char *));
+    data->change.url = data->set.str[STRING_SET_URL];
+    break;
+  case CURLOPT_PORT:
+    /*
+     * The port number to use when getting the URL
+     */
+    arg = va_arg(param, long);
+    if((arg < 0) || (arg > 65535))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.use_port = arg;
+    break;
+  case CURLOPT_TIMEOUT:
+    /*
+     * The maximum time you allow curl to use for a single transfer
+     * operation.
+     */
+    arg = va_arg(param, long);
+    if((arg >= 0) && (arg <= (INT_MAX/1000)))
+      data->set.timeout = arg * 1000;
+    else
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    break;
+
+  case CURLOPT_TIMEOUT_MS:
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.timeout = arg;
+    break;
+
+  case CURLOPT_CONNECTTIMEOUT:
+    /*
+     * The maximum time you allow curl to use to connect.
+     */
+    arg = va_arg(param, long);
+    if((arg >= 0) && (arg <= (INT_MAX/1000)))
+      data->set.connecttimeout = arg * 1000;
+    else
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    break;
+
+  case CURLOPT_CONNECTTIMEOUT_MS:
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.connecttimeout = arg;
+    break;
+
+  case CURLOPT_ACCEPTTIMEOUT_MS:
+    /*
+     * The maximum time you allow curl to wait for server connect
+     */
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.accepttimeout = arg;
+    break;
+
+  case CURLOPT_USERPWD:
+    /*
+     * user:password to use in the operation
+     */
+    result = setstropt_userpwd(va_arg(param, char *),
+                               &data->set.str[STRING_USERNAME],
+                               &data->set.str[STRING_PASSWORD]);
+    break;
+
+  case CURLOPT_USERNAME:
+    /*
+     * authentication user name to use in the operation
+     */
+    result = Curl_setstropt(&data->set.str[STRING_USERNAME],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_PASSWORD:
+    /*
+     * authentication password to use in the operation
+     */
+    result = Curl_setstropt(&data->set.str[STRING_PASSWORD],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_LOGIN_OPTIONS:
+    /*
+     * authentication options to use in the operation
+     */
+    result = Curl_setstropt(&data->set.str[STRING_OPTIONS],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_XOAUTH2_BEARER:
+    /*
+     * OAuth 2.0 bearer token to use in the operation
+     */
+    result = Curl_setstropt(&data->set.str[STRING_BEARER],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_POSTQUOTE:
+    /*
+     * List of RAW FTP commands to use after a transfer
+     */
+    data->set.postquote = va_arg(param, struct curl_slist *);
+    break;
+  case CURLOPT_PREQUOTE:
+    /*
+     * List of RAW FTP commands to use prior to RETR (Wesley Laxton)
+     */
+    data->set.prequote = va_arg(param, struct curl_slist *);
+    break;
+  case CURLOPT_QUOTE:
+    /*
+     * List of RAW FTP commands to use before a transfer
+     */
+    data->set.quote = va_arg(param, struct curl_slist *);
+    break;
+  case CURLOPT_RESOLVE:
+    /*
+     * List of NAME:[address] names to populate the DNS cache with
+     * Prefix the NAME with dash (-) to _remove_ the name from the cache.
+     *
+     * Names added with this API will remain in the cache until explicitly
+     * removed or the handle is cleaned up.
+     *
+     * This API can remove any name from the DNS cache, but only entries
+     * that aren't actually in use right now will be pruned immediately.
+     */
+    data->set.resolve = va_arg(param, struct curl_slist *);
+    data->change.resolve = data->set.resolve;
+    break;
+  case CURLOPT_PROGRESSFUNCTION:
+    /*
+     * Progress callback function
+     */
+    data->set.fprogress = va_arg(param, curl_progress_callback);
+    if(data->set.fprogress)
+      data->progress.callback = TRUE; /* no longer internal */
+    else
+      data->progress.callback = FALSE; /* NULL enforces internal */
+    break;
+
+  case CURLOPT_XFERINFOFUNCTION:
+    /*
+     * Transfer info callback function
+     */
+    data->set.fxferinfo = va_arg(param, curl_xferinfo_callback);
+    if(data->set.fxferinfo)
+      data->progress.callback = TRUE; /* no longer internal */
+    else
+      data->progress.callback = FALSE; /* NULL enforces internal */
+
+    break;
+
+  case CURLOPT_PROGRESSDATA:
+    /*
+     * Custom client data to pass to the progress callback
+     */
+    data->set.progress_client = va_arg(param, void *);
+    break;
+
+#ifndef CURL_DISABLE_PROXY
+  case CURLOPT_PROXYUSERPWD:
+    /*
+     * user:password needed to use the proxy
+     */
+    result = setstropt_userpwd(va_arg(param, char *),
+                               &data->set.str[STRING_PROXYUSERNAME],
+                               &data->set.str[STRING_PROXYPASSWORD]);
+    break;
+  case CURLOPT_PROXYUSERNAME:
+    /*
+     * authentication user name to use in the operation
+     */
+    result = Curl_setstropt(&data->set.str[STRING_PROXYUSERNAME],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXYPASSWORD:
+    /*
+     * authentication password to use in the operation
+     */
+    result = Curl_setstropt(&data->set.str[STRING_PROXYPASSWORD],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_NOPROXY:
+    /*
+     * proxy exception list
+     */
+    result = Curl_setstropt(&data->set.str[STRING_NOPROXY],
+                            va_arg(param, char *));
+    break;
+#endif
+
+  case CURLOPT_RANGE:
+    /*
+     * What range of the file you want to transfer
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SET_RANGE],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_RESUME_FROM:
+    /*
+     * Resume transfer at the given file position
+     */
+    arg = va_arg(param, long);
+    if(arg < -1)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.set_resume_from = arg;
+    break;
+  case CURLOPT_RESUME_FROM_LARGE:
+    /*
+     * Resume transfer at the given file position
+     */
+    bigsize = va_arg(param, curl_off_t);
+    if(bigsize < -1)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.set_resume_from = bigsize;
+    break;
+  case CURLOPT_DEBUGFUNCTION:
+    /*
+     * stderr write callback.
+     */
+    data->set.fdebug = va_arg(param, curl_debug_callback);
+    /*
+     * if the callback provided is NULL, it'll use the default callback
+     */
+    break;
+  case CURLOPT_DEBUGDATA:
+    /*
+     * Set to a void * that should receive all error writes. This
+     * defaults to CURLOPT_STDERR for normal operations.
+     */
+    data->set.debugdata = va_arg(param, void *);
+    break;
+  case CURLOPT_STDERR:
+    /*
+     * Set to a FILE * that should receive all error writes. This
+     * defaults to stderr for normal operations.
+     */
+    data->set.err = va_arg(param, FILE *);
+    if(!data->set.err)
+      data->set.err = stderr;
+    break;
+  case CURLOPT_HEADERFUNCTION:
+    /*
+     * Set header write callback
+     */
+    data->set.fwrite_header = va_arg(param, curl_write_callback);
+    break;
+  case CURLOPT_WRITEFUNCTION:
+    /*
+     * Set data write callback
+     */
+    data->set.fwrite_func = va_arg(param, curl_write_callback);
+    if(!data->set.fwrite_func) {
+      data->set.is_fwrite_set = 0;
+      /* When set to NULL, reset to our internal default function */
+      data->set.fwrite_func = (curl_write_callback)fwrite;
+    }
+    else
+      data->set.is_fwrite_set = 1;
+    break;
+  case CURLOPT_READFUNCTION:
+    /*
+     * Read data callback
+     */
+    data->set.fread_func_set = va_arg(param, curl_read_callback);
+    if(!data->set.fread_func_set) {
+      data->set.is_fread_set = 0;
+      /* When set to NULL, reset to our internal default function */
+      data->set.fread_func_set = (curl_read_callback)fread;
+    }
+    else
+      data->set.is_fread_set = 1;
+    break;
+  case CURLOPT_SEEKFUNCTION:
+    /*
+     * Seek callback. Might be NULL.
+     */
+    data->set.seek_func = va_arg(param, curl_seek_callback);
+    break;
+  case CURLOPT_SEEKDATA:
+    /*
+     * Seek control callback. Might be NULL.
+     */
+    data->set.seek_client = va_arg(param, void *);
+    break;
+  case CURLOPT_CONV_FROM_NETWORK_FUNCTION:
+    /*
+     * "Convert from network encoding" callback
+     */
+    data->set.convfromnetwork = va_arg(param, curl_conv_callback);
+    break;
+  case CURLOPT_CONV_TO_NETWORK_FUNCTION:
+    /*
+     * "Convert to network encoding" callback
+     */
+    data->set.convtonetwork = va_arg(param, curl_conv_callback);
+    break;
+  case CURLOPT_CONV_FROM_UTF8_FUNCTION:
+    /*
+     * "Convert from UTF-8 encoding" callback
+     */
+    data->set.convfromutf8 = va_arg(param, curl_conv_callback);
+    break;
+  case CURLOPT_IOCTLFUNCTION:
+    /*
+     * I/O control callback. Might be NULL.
+     */
+    data->set.ioctl_func = va_arg(param, curl_ioctl_callback);
+    break;
+  case CURLOPT_IOCTLDATA:
+    /*
+     * I/O control data pointer. Might be NULL.
+     */
+    data->set.ioctl_client = va_arg(param, void *);
+    break;
+  case CURLOPT_SSLCERT:
+    /*
+     * String that holds file name of the SSL certificate to use
+     */
+    result = Curl_setstropt(&data->set.str[STRING_CERT_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXY_SSLCERT:
+    /*
+     * String that holds file name of the SSL certificate to use for proxy
+     */
+    result = Curl_setstropt(&data->set.str[STRING_CERT_PROXY],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_SSLCERTTYPE:
+    /*
+     * String that holds file type of the SSL certificate to use
+     */
+    result = Curl_setstropt(&data->set.str[STRING_CERT_TYPE_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXY_SSLCERTTYPE:
+    /*
+     * String that holds file type of the SSL certificate to use for proxy
+     */
+    result = Curl_setstropt(&data->set.str[STRING_CERT_TYPE_PROXY],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_SSLKEY:
+    /*
+     * String that holds file name of the SSL key to use
+     */
+    result = Curl_setstropt(&data->set.str[STRING_KEY_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXY_SSLKEY:
+    /*
+     * String that holds file name of the SSL key to use for proxy
+     */
+    result = Curl_setstropt(&data->set.str[STRING_KEY_PROXY],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_SSLKEYTYPE:
+    /*
+     * String that holds file type of the SSL key to use
+     */
+    result = Curl_setstropt(&data->set.str[STRING_KEY_TYPE_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXY_SSLKEYTYPE:
+    /*
+     * String that holds file type of the SSL key to use for proxy
+     */
+    result = Curl_setstropt(&data->set.str[STRING_KEY_TYPE_PROXY],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_KEYPASSWD:
+    /*
+     * String that holds the SSL or SSH private key password.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_KEY_PASSWD_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXY_KEYPASSWD:
+    /*
+     * String that holds the SSL private key password for proxy.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_KEY_PASSWD_PROXY],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_SSLENGINE:
+    /*
+     * String that holds the SSL crypto engine.
+     */
+    argptr = va_arg(param, char *);
+    if(argptr && argptr[0]) {
+      result = Curl_setstropt(&data->set.str[STRING_SSL_ENGINE], argptr);
+      if(!result) {
+        result = Curl_ssl_set_engine(data, argptr);
+      }
+    }
+    break;
+
+  case CURLOPT_SSLENGINE_DEFAULT:
+    /*
+     * flag to set engine as default.
+     */
+    Curl_setstropt(&data->set.str[STRING_SSL_ENGINE], NULL);
+    result = Curl_ssl_set_engine_default(data);
+    break;
+  case CURLOPT_CRLF:
+    /*
+     * Kludgy option to enable CRLF conversions. Subject for removal.
+     */
+    data->set.crlf = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_HAPROXYPROTOCOL:
+    /*
+     * Set to send the HAProxy Proxy Protocol header
+     */
+    data->set.haproxyprotocol = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_INTERFACE:
+    /*
+     * Set what interface or address/hostname to bind the socket to when
+     * performing an operation and thus what from-IP your connection will use.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_DEVICE],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_LOCALPORT:
+    /*
+     * Set what local port to bind the socket to when performing an operation.
+     */
+    arg = va_arg(param, long);
+    if((arg < 0) || (arg > 65535))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.localport = curlx_sltous(arg);
+    break;
+  case CURLOPT_LOCALPORTRANGE:
+    /*
+     * Set number of local ports to try, starting with CURLOPT_LOCALPORT.
+     */
+    arg = va_arg(param, long);
+    if((arg < 0) || (arg > 65535))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.localportrange = curlx_sltosi(arg);
+    break;
+  case CURLOPT_KRBLEVEL:
+    /*
+     * A string that defines the kerberos security level.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_KRB_LEVEL],
+                            va_arg(param, char *));
+    data->set.krb = (data->set.str[STRING_KRB_LEVEL]) ? TRUE : FALSE;
+    break;
+  case CURLOPT_GSSAPI_DELEGATION:
+    /*
+     * GSS-API credential delegation bitmask
+     */
+    arg = va_arg(param, long);
+    if(arg < CURLGSSAPI_DELEGATION_NONE)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.gssapi_delegation = arg;
+    break;
+  case CURLOPT_SSL_VERIFYPEER:
+    /*
+     * Enable peer SSL verifying.
+     */
+    data->set.ssl.primary.verifypeer = (0 != va_arg(param, long)) ?
+      TRUE : FALSE;
+
+    /* Update the current connection ssl_config. */
+    if(data->conn) {
+      data->conn->ssl_config.verifypeer =
+        data->set.ssl.primary.verifypeer;
+    }
+    break;
+  case CURLOPT_PROXY_SSL_VERIFYPEER:
+    /*
+     * Enable peer SSL verifying for proxy.
+     */
+    data->set.proxy_ssl.primary.verifypeer =
+      (0 != va_arg(param, long))?TRUE:FALSE;
+
+    /* Update the current connection proxy_ssl_config. */
+    if(data->conn) {
+      data->conn->proxy_ssl_config.verifypeer =
+        data->set.proxy_ssl.primary.verifypeer;
+    }
+    break;
+  case CURLOPT_SSL_VERIFYHOST:
+    /*
+     * Enable verification of the host name in the peer certificate
+     */
+    arg = va_arg(param, long);
+
+    /* Obviously people are not reading documentation and too many thought
+       this argument took a boolean when it wasn't and misused it. We thus ban
+       1 as a sensible input and we warn about its use. Then we only have the
+       2 action internally stored as TRUE. */
+
+    if(1 == arg) {
+      failf(data, "CURLOPT_SSL_VERIFYHOST no longer supports 1 as value!");
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    }
+
+    data->set.ssl.primary.verifyhost = (0 != arg) ? TRUE : FALSE;
+
+    /* Update the current connection ssl_config. */
+    if(data->conn) {
+      data->conn->ssl_config.verifyhost =
+        data->set.ssl.primary.verifyhost;
+    }
+    break;
+  case CURLOPT_PROXY_SSL_VERIFYHOST:
+    /*
+     * Enable verification of the host name in the peer certificate for proxy
+     */
+    arg = va_arg(param, long);
+
+    /* Obviously people are not reading documentation and too many thought
+       this argument took a boolean when it wasn't and misused it. We thus ban
+       1 as a sensible input and we warn about its use. Then we only have the
+       2 action internally stored as TRUE. */
+
+    if(1 == arg) {
+      failf(data, "CURLOPT_SSL_VERIFYHOST no longer supports 1 as value!");
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    }
+
+    data->set.proxy_ssl.primary.verifyhost = (0 != arg)?TRUE:FALSE;
+
+    /* Update the current connection proxy_ssl_config. */
+    if(data->conn) {
+      data->conn->proxy_ssl_config.verifyhost =
+        data->set.proxy_ssl.primary.verifyhost;
+    }
+    break;
+  case CURLOPT_SSL_VERIFYSTATUS:
+    /*
+     * Enable certificate status verifying.
+     */
+    if(!Curl_ssl_cert_status_request()) {
+      result = CURLE_NOT_BUILT_IN;
+      break;
+    }
+
+    data->set.ssl.primary.verifystatus = (0 != va_arg(param, long)) ?
+      TRUE : FALSE;
+
+    /* Update the current connection ssl_config. */
+    if(data->conn) {
+      data->conn->ssl_config.verifystatus =
+        data->set.ssl.primary.verifystatus;
+    }
+    break;
+  case CURLOPT_SSL_CTX_FUNCTION:
+    /*
+     * Set a SSL_CTX callback
+     */
+#ifdef USE_SSL
+    if(Curl_ssl->supports & SSLSUPP_SSL_CTX)
+      data->set.ssl.fsslctx = va_arg(param, curl_ssl_ctx_callback);
+    else
+#endif
+      result = CURLE_NOT_BUILT_IN;
+    break;
+  case CURLOPT_SSL_CTX_DATA:
+    /*
+     * Set a SSL_CTX callback parameter pointer
+     */
+#ifdef USE_SSL
+    if(Curl_ssl->supports & SSLSUPP_SSL_CTX)
+      data->set.ssl.fsslctxp = va_arg(param, void *);
+    else
+#endif
+      result = CURLE_NOT_BUILT_IN;
+    break;
+  case CURLOPT_SSL_FALSESTART:
+    /*
+     * Enable TLS false start.
+     */
+    if(!Curl_ssl_false_start()) {
+      result = CURLE_NOT_BUILT_IN;
+      break;
+    }
+
+    data->set.ssl.falsestart = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_CERTINFO:
+#ifdef USE_SSL
+    if(Curl_ssl->supports & SSLSUPP_CERTINFO)
+      data->set.ssl.certinfo = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    else
+#endif
+      result = CURLE_NOT_BUILT_IN;
+        break;
+  case CURLOPT_PINNEDPUBLICKEY:
+    /*
+     * Set pinned public key for SSL connection.
+     * Specify file name of the public key in DER format.
+     */
+#ifdef USE_SSL
+    if(Curl_ssl->supports & SSLSUPP_PINNEDPUBKEY)
+      result = Curl_setstropt(&data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG],
+                              va_arg(param, char *));
+    else
+#endif
+      result = CURLE_NOT_BUILT_IN;
+    break;
+  case CURLOPT_PROXY_PINNEDPUBLICKEY:
+    /*
+     * Set pinned public key for SSL connection.
+     * Specify file name of the public key in DER format.
+     */
+#ifdef USE_SSL
+    if(Curl_ssl->supports & SSLSUPP_PINNEDPUBKEY)
+      result = Curl_setstropt(&data->set.str[STRING_SSL_PINNEDPUBLICKEY_PROXY],
+                              va_arg(param, char *));
+    else
+#endif
+      result = CURLE_NOT_BUILT_IN;
+    break;
+  case CURLOPT_CAINFO:
+    /*
+     * Set CA info for SSL connection. Specify file name of the CA certificate
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_CAFILE_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXY_CAINFO:
+    /*
+     * Set CA info SSL connection for proxy. Specify file name of the
+     * CA certificate
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_CAFILE_PROXY],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_CAPATH:
+    /*
+     * Set CA path info for SSL connection. Specify directory name of the CA
+     * certificates which have been prepared using openssl c_rehash utility.
+     */
+#ifdef USE_SSL
+    if(Curl_ssl->supports & SSLSUPP_CA_PATH)
+      /* This does not work on windows. */
+      result = Curl_setstropt(&data->set.str[STRING_SSL_CAPATH_ORIG],
+                              va_arg(param, char *));
+    else
+#endif
+      result = CURLE_NOT_BUILT_IN;
+    break;
+  case CURLOPT_PROXY_CAPATH:
+    /*
+     * Set CA path info for SSL connection proxy. Specify directory name of the
+     * CA certificates which have been prepared using openssl c_rehash utility.
+     */
+#ifdef USE_SSL
+    if(Curl_ssl->supports & SSLSUPP_CA_PATH)
+      /* This does not work on windows. */
+      result = Curl_setstropt(&data->set.str[STRING_SSL_CAPATH_PROXY],
+                              va_arg(param, char *));
+    else
+#endif
+      result = CURLE_NOT_BUILT_IN;
+    break;
+  case CURLOPT_CRLFILE:
+    /*
+     * Set CRL file info for SSL connection. Specify file name of the CRL
+     * to check certificates revocation
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_CRLFILE_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXY_CRLFILE:
+    /*
+     * Set CRL file info for SSL connection for proxy. Specify file name of the
+     * CRL to check certificates revocation
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_CRLFILE_PROXY],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_ISSUERCERT:
+    /*
+     * Set Issuer certificate file
+     * to check certificates issuer
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_ISSUERCERT_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_TELNETOPTIONS:
+    /*
+     * Set a linked list of telnet options
+     */
+    data->set.telnet_options = va_arg(param, struct curl_slist *);
+    break;
+
+  case CURLOPT_BUFFERSIZE:
+    /*
+     * The application kindly asks for a differently sized receive buffer.
+     * If it seems reasonable, we'll use it.
+     */
+    arg = va_arg(param, long);
+
+    if(arg > READBUFFER_MAX)
+      arg = READBUFFER_MAX;
+    else if(arg < 1)
+      arg = READBUFFER_SIZE;
+    else if(arg < READBUFFER_MIN)
+      arg = READBUFFER_MIN;
+
+    /* Resize if new size */
+    if(arg != data->set.buffer_size) {
+      char *newbuff = realloc(data->state.buffer, arg + 1);
+      if(!newbuff) {
+        DEBUGF(fprintf(stderr, "Error: realloc of buffer failed\n"));
+        result = CURLE_OUT_OF_MEMORY;
+      }
+      else
+        data->state.buffer = newbuff;
+    }
+    data->set.buffer_size = arg;
+
+    break;
+
+  case CURLOPT_UPLOAD_BUFFERSIZE:
+    /*
+     * The application kindly asks for a differently sized upload buffer.
+     * Cap it to sensible.
+     */
+    arg = va_arg(param, long);
+
+    if(arg > UPLOADBUFFER_MAX)
+      arg = UPLOADBUFFER_MAX;
+    else if(arg < UPLOADBUFFER_MIN)
+      arg = UPLOADBUFFER_MIN;
+
+    data->set.upload_buffer_size = arg;
+    Curl_safefree(data->state.ulbuf); /* force a realloc next opportunity */
+    break;
+
+  case CURLOPT_NOSIGNAL:
+    /*
+     * The application asks not to set any signal() or alarm() handlers,
+     * even when using a timeout.
+     */
+    data->set.no_signal = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_SHARE:
+  {
+    struct Curl_share *set;
+    set = va_arg(param, struct Curl_share *);
+
+    /* disconnect from old share, if any */
+    if(data->share) {
+      Curl_share_lock(data, CURL_LOCK_DATA_SHARE, CURL_LOCK_ACCESS_SINGLE);
+
+      if(data->dns.hostcachetype == HCACHE_SHARED) {
+        data->dns.hostcache = NULL;
+        data->dns.hostcachetype = HCACHE_NONE;
+      }
+
+#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
+      if(data->share->cookies == data->cookies)
+        data->cookies = NULL;
+#endif
+
+      if(data->share->sslsession == data->state.session)
+        data->state.session = NULL;
+
+#ifdef USE_LIBPSL
+      if(data->psl == &data->share->psl)
+        data->psl = data->multi? &data->multi->psl: NULL;
+#endif
+
+      data->share->dirty--;
+
+      Curl_share_unlock(data, CURL_LOCK_DATA_SHARE);
+      data->share = NULL;
+    }
+
+    /* use new share if it set */
+    data->share = set;
+    if(data->share) {
+
+      Curl_share_lock(data, CURL_LOCK_DATA_SHARE, CURL_LOCK_ACCESS_SINGLE);
+
+      data->share->dirty++;
+
+      if(data->share->specifier & (1<< CURL_LOCK_DATA_DNS)) {
+        /* use shared host cache */
+        data->dns.hostcache = &data->share->hostcache;
+        data->dns.hostcachetype = HCACHE_SHARED;
+      }
+#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
+      if(data->share->cookies) {
+        /* use shared cookie list, first free own one if any */
+        Curl_cookie_cleanup(data->cookies);
+        /* enable cookies since we now use a share that uses cookies! */
+        data->cookies = data->share->cookies;
+      }
+#endif   /* CURL_DISABLE_HTTP */
+      if(data->share->sslsession) {
+        data->set.general_ssl.max_ssl_sessions = data->share->max_ssl_sessions;
+        data->state.session = data->share->sslsession;
+      }
+#ifdef USE_LIBPSL
+      if(data->share->specifier & (1 << CURL_LOCK_DATA_PSL))
+        data->psl = &data->share->psl;
+#endif
+
+      Curl_share_unlock(data, CURL_LOCK_DATA_SHARE);
+    }
+    /* check for host cache not needed,
+     * it will be done by curl_easy_perform */
+  }
+  break;
+
+  case CURLOPT_PRIVATE:
+    /*
+     * Set private data pointer.
+     */
+    data->set.private_data = va_arg(param, void *);
+    break;
+
+  case CURLOPT_MAXFILESIZE:
+    /*
+     * Set the maximum size of a file to download.
+     */
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.max_filesize = arg;
+    break;
+
+#ifdef USE_SSL
+  case CURLOPT_USE_SSL:
+    /*
+     * Make transfers attempt to use SSL/TLS.
+     */
+    arg = va_arg(param, long);
+    if((arg < CURLUSESSL_NONE) || (arg > CURLUSESSL_ALL))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.use_ssl = (curl_usessl)arg;
+    break;
+
+  case CURLOPT_SSL_OPTIONS:
+    arg = va_arg(param, long);
+    data->set.ssl.enable_beast = arg&CURLSSLOPT_ALLOW_BEAST?TRUE:FALSE;
+    data->set.ssl.no_revoke = !!(arg & CURLSSLOPT_NO_REVOKE);
+    break;
+
+  case CURLOPT_PROXY_SSL_OPTIONS:
+    arg = va_arg(param, long);
+    data->set.proxy_ssl.enable_beast = arg&CURLSSLOPT_ALLOW_BEAST?TRUE:FALSE;
+    data->set.proxy_ssl.no_revoke = !!(arg & CURLSSLOPT_NO_REVOKE);
+    break;
+
+#endif
+  case CURLOPT_FTPSSLAUTH:
+    /*
+     * Set a specific auth for FTP-SSL transfers.
+     */
+    arg = va_arg(param, long);
+    if((arg < CURLFTPAUTH_DEFAULT) || (arg > CURLFTPAUTH_TLS))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.ftpsslauth = (curl_ftpauth)arg;
+    break;
+
+  case CURLOPT_IPRESOLVE:
+    arg = va_arg(param, long);
+    if((arg < CURL_IPRESOLVE_WHATEVER) || (arg > CURL_IPRESOLVE_V6))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.ipver = arg;
+    break;
+
+  case CURLOPT_MAXFILESIZE_LARGE:
+    /*
+     * Set the maximum size of a file to download.
+     */
+    bigsize = va_arg(param, curl_off_t);
+    if(bigsize < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.max_filesize = bigsize;
+    break;
+
+  case CURLOPT_TCP_NODELAY:
+    /*
+     * Enable or disable TCP_NODELAY, which will disable/enable the Nagle
+     * algorithm
+     */
+    data->set.tcp_nodelay = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_FTP_ACCOUNT:
+    result = Curl_setstropt(&data->set.str[STRING_FTP_ACCOUNT],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_IGNORE_CONTENT_LENGTH:
+    data->set.ignorecl = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_CONNECT_ONLY:
+    /*
+     * No data transfer, set up connection and let application use the socket
+     */
+    data->set.connect_only = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_FTP_ALTERNATIVE_TO_USER:
+    result = Curl_setstropt(&data->set.str[STRING_FTP_ALTERNATIVE_TO_USER],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_SOCKOPTFUNCTION:
+    /*
+     * socket callback function: called after socket() but before connect()
+     */
+    data->set.fsockopt = va_arg(param, curl_sockopt_callback);
+    break;
+
+  case CURLOPT_SOCKOPTDATA:
+    /*
+     * socket callback data pointer. Might be NULL.
+     */
+    data->set.sockopt_client = va_arg(param, void *);
+    break;
+
+  case CURLOPT_OPENSOCKETFUNCTION:
+    /*
+     * open/create socket callback function: called instead of socket(),
+     * before connect()
+     */
+    data->set.fopensocket = va_arg(param, curl_opensocket_callback);
+    break;
+
+  case CURLOPT_OPENSOCKETDATA:
+    /*
+     * socket callback data pointer. Might be NULL.
+     */
+    data->set.opensocket_client = va_arg(param, void *);
+    break;
+
+  case CURLOPT_CLOSESOCKETFUNCTION:
+    /*
+     * close socket callback function: called instead of close()
+     * when shutting down a connection
+     */
+    data->set.fclosesocket = va_arg(param, curl_closesocket_callback);
+    break;
+
+  case CURLOPT_RESOLVER_START_FUNCTION:
+    /*
+     * resolver start callback function: called before a new resolver request
+     * is started
+     */
+    data->set.resolver_start = va_arg(param, curl_resolver_start_callback);
+    break;
+
+  case CURLOPT_RESOLVER_START_DATA:
+    /*
+     * resolver start callback data pointer. Might be NULL.
+     */
+    data->set.resolver_start_client = va_arg(param, void *);
+    break;
+
+  case CURLOPT_CLOSESOCKETDATA:
+    /*
+     * socket callback data pointer. Might be NULL.
+     */
+    data->set.closesocket_client = va_arg(param, void *);
+    break;
+
+  case CURLOPT_SSL_SESSIONID_CACHE:
+    data->set.ssl.primary.sessionid = (0 != va_arg(param, long)) ?
+      TRUE : FALSE;
+    data->set.proxy_ssl.primary.sessionid = data->set.ssl.primary.sessionid;
+    break;
+
+#if defined(USE_LIBSSH2) || defined(USE_LIBSSH)
+    /* we only include SSH options if explicitly built to support SSH */
+  case CURLOPT_SSH_AUTH_TYPES:
+    data->set.ssh_auth_types = va_arg(param, long);
+    break;
+
+  case CURLOPT_SSH_PUBLIC_KEYFILE:
+    /*
+     * Use this file instead of the $HOME/.ssh/id_dsa.pub file
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSH_PUBLIC_KEY],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_SSH_PRIVATE_KEYFILE:
+    /*
+     * Use this file instead of the $HOME/.ssh/id_dsa file
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSH_PRIVATE_KEY],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_SSH_HOST_PUBLIC_KEY_MD5:
+    /*
+     * Option to allow for the MD5 of the host public key to be checked
+     * for validation purposes.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_SSH_KNOWNHOSTS:
+    /*
+     * Store the file name to read known hosts from.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSH_KNOWNHOSTS],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_SSH_KEYFUNCTION:
+    /* setting to NULL is fine since the ssh.c functions themselves will
+       then rever to use the internal default */
+    data->set.ssh_keyfunc = va_arg(param, curl_sshkeycallback);
+    break;
+
+  case CURLOPT_SSH_KEYDATA:
+    /*
+     * Custom client data to pass to the SSH keyfunc callback
+     */
+    data->set.ssh_keyfunc_userp = va_arg(param, void *);
+    break;
+#endif /* USE_LIBSSH2 */
+
+  case CURLOPT_HTTP_TRANSFER_DECODING:
+    /*
+     * disable libcurl transfer encoding is used
+     */
+    data->set.http_te_skip = (0 == va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_HTTP_CONTENT_DECODING:
+    /*
+     * raw data passed to the application when content encoding is used
+     */
+    data->set.http_ce_skip = (0 == va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_NEW_FILE_PERMS:
+    /*
+     * Uses these permissions instead of 0644
+     */
+    arg = va_arg(param, long);
+    if((arg < 0) || (arg > 0777))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.new_file_perms = arg;
+    break;
+
+  case CURLOPT_NEW_DIRECTORY_PERMS:
+    /*
+     * Uses these permissions instead of 0755
+     */
+    arg = va_arg(param, long);
+    if((arg < 0) || (arg > 0777))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.new_directory_perms = arg;
+    break;
+
+  case CURLOPT_ADDRESS_SCOPE:
+    /*
+     * We always get longs when passed plain numericals, but for this value we
+     * know that an unsigned int will always hold the value so we blindly
+     * typecast to this type
+     */
+    arg = va_arg(param, long);
+    if((arg < 0) || (arg > 0xf))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.scope_id = curlx_sltoui(arg);
+    break;
+
+  case CURLOPT_PROTOCOLS:
+    /* set the bitmask for the protocols that are allowed to be used for the
+       transfer, which thus helps the app which takes URLs from users or other
+       external inputs and want to restrict what protocol(s) to deal
+       with. Defaults to CURLPROTO_ALL. */
+    data->set.allowed_protocols = va_arg(param, long);
+    break;
+
+  case CURLOPT_REDIR_PROTOCOLS:
+    /* set the bitmask for the protocols that libcurl is allowed to follow to,
+       as a subset of the CURLOPT_PROTOCOLS ones. That means the protocol needs
+       to be set in both bitmasks to be allowed to get redirected to. Defaults
+       to all protocols except FILE and SCP. */
+    data->set.redir_protocols = va_arg(param, long);
+    break;
+
+  case CURLOPT_DEFAULT_PROTOCOL:
+    /* Set the protocol to use when the URL doesn't include any protocol */
+    result = Curl_setstropt(&data->set.str[STRING_DEFAULT_PROTOCOL],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_MAIL_FROM:
+    /* Set the SMTP mail originator */
+    result = Curl_setstropt(&data->set.str[STRING_MAIL_FROM],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_MAIL_AUTH:
+    /* Set the SMTP auth originator */
+    result = Curl_setstropt(&data->set.str[STRING_MAIL_AUTH],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_MAIL_RCPT:
+    /* Set the list of mail recipients */
+    data->set.mail_rcpt = va_arg(param, struct curl_slist *);
+    break;
+
+  case CURLOPT_SASL_IR:
+    /* Enable/disable SASL initial response */
+    data->set.sasl_ir = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_RTSP_REQUEST:
+  {
+    /*
+     * Set the RTSP request method (OPTIONS, SETUP, PLAY, etc...)
+     * Would this be better if the RTSPREQ_* were just moved into here?
+     */
+    long curl_rtspreq = va_arg(param, long);
+    Curl_RtspReq rtspreq = RTSPREQ_NONE;
+    switch(curl_rtspreq) {
+    case CURL_RTSPREQ_OPTIONS:
+      rtspreq = RTSPREQ_OPTIONS;
+      break;
+
+    case CURL_RTSPREQ_DESCRIBE:
+      rtspreq = RTSPREQ_DESCRIBE;
+      break;
+
+    case CURL_RTSPREQ_ANNOUNCE:
+      rtspreq = RTSPREQ_ANNOUNCE;
+      break;
+
+    case CURL_RTSPREQ_SETUP:
+      rtspreq = RTSPREQ_SETUP;
+      break;
+
+    case CURL_RTSPREQ_PLAY:
+      rtspreq = RTSPREQ_PLAY;
+      break;
+
+    case CURL_RTSPREQ_PAUSE:
+      rtspreq = RTSPREQ_PAUSE;
+      break;
+
+    case CURL_RTSPREQ_TEARDOWN:
+      rtspreq = RTSPREQ_TEARDOWN;
+      break;
+
+    case CURL_RTSPREQ_GET_PARAMETER:
+      rtspreq = RTSPREQ_GET_PARAMETER;
+      break;
+
+    case CURL_RTSPREQ_SET_PARAMETER:
+      rtspreq = RTSPREQ_SET_PARAMETER;
+      break;
+
+    case CURL_RTSPREQ_RECORD:
+      rtspreq = RTSPREQ_RECORD;
+      break;
+
+    case CURL_RTSPREQ_RECEIVE:
+      rtspreq = RTSPREQ_RECEIVE;
+      break;
+    default:
+      rtspreq = RTSPREQ_NONE;
+    }
+
+    data->set.rtspreq = rtspreq;
+    break;
+  }
+
+
+  case CURLOPT_RTSP_SESSION_ID:
+    /*
+     * Set the RTSP Session ID manually. Useful if the application is
+     * resuming a previously established RTSP session
+     */
+    result = Curl_setstropt(&data->set.str[STRING_RTSP_SESSION_ID],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_RTSP_STREAM_URI:
+    /*
+     * Set the Stream URI for the RTSP request. Unless the request is
+     * for generic server options, the application will need to set this.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_RTSP_STREAM_URI],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_RTSP_TRANSPORT:
+    /*
+     * The content of the Transport: header for the RTSP request
+     */
+    result = Curl_setstropt(&data->set.str[STRING_RTSP_TRANSPORT],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_RTSP_CLIENT_CSEQ:
+    /*
+     * Set the CSEQ number to issue for the next RTSP request. Useful if the
+     * application is resuming a previously broken connection. The CSEQ
+     * will increment from this new number henceforth.
+     */
+    data->state.rtsp_next_client_CSeq = va_arg(param, long);
+    break;
+
+  case CURLOPT_RTSP_SERVER_CSEQ:
+    /* Same as the above, but for server-initiated requests */
+    data->state.rtsp_next_client_CSeq = va_arg(param, long);
+    break;
+
+  case CURLOPT_INTERLEAVEDATA:
+    data->set.rtp_out = va_arg(param, void *);
+    break;
+  case CURLOPT_INTERLEAVEFUNCTION:
+    /* Set the user defined RTP write function */
+    data->set.fwrite_rtp = va_arg(param, curl_write_callback);
+    break;
+
+  case CURLOPT_WILDCARDMATCH:
+    data->set.wildcard_enabled = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_CHUNK_BGN_FUNCTION:
+    data->set.chunk_bgn = va_arg(param, curl_chunk_bgn_callback);
+    break;
+  case CURLOPT_CHUNK_END_FUNCTION:
+    data->set.chunk_end = va_arg(param, curl_chunk_end_callback);
+    break;
+  case CURLOPT_FNMATCH_FUNCTION:
+    data->set.fnmatch = va_arg(param, curl_fnmatch_callback);
+    break;
+  case CURLOPT_CHUNK_DATA:
+    data->wildcard.customptr = va_arg(param, void *);
+    break;
+  case CURLOPT_FNMATCH_DATA:
+    data->set.fnmatch_data = va_arg(param, void *);
+    break;
+#ifdef USE_TLS_SRP
+  case CURLOPT_TLSAUTH_USERNAME:
+    result = Curl_setstropt(&data->set.str[STRING_TLSAUTH_USERNAME_ORIG],
+                            va_arg(param, char *));
+    if(data->set.str[STRING_TLSAUTH_USERNAME_ORIG] && !data->set.ssl.authtype)
+      data->set.ssl.authtype = CURL_TLSAUTH_SRP; /* default to SRP */
+    break;
+  case CURLOPT_PROXY_TLSAUTH_USERNAME:
+    result = Curl_setstropt(&data->set.str[STRING_TLSAUTH_USERNAME_PROXY],
+                            va_arg(param, char *));
+    if(data->set.str[STRING_TLSAUTH_USERNAME_PROXY] &&
+       !data->set.proxy_ssl.authtype)
+      data->set.proxy_ssl.authtype = CURL_TLSAUTH_SRP; /* default to SRP */
+    break;
+  case CURLOPT_TLSAUTH_PASSWORD:
+    result = Curl_setstropt(&data->set.str[STRING_TLSAUTH_PASSWORD_ORIG],
+                            va_arg(param, char *));
+    if(data->set.str[STRING_TLSAUTH_USERNAME_ORIG] && !data->set.ssl.authtype)
+      data->set.ssl.authtype = CURL_TLSAUTH_SRP; /* default to SRP */
+    break;
+  case CURLOPT_PROXY_TLSAUTH_PASSWORD:
+    result = Curl_setstropt(&data->set.str[STRING_TLSAUTH_PASSWORD_PROXY],
+                            va_arg(param, char *));
+    if(data->set.str[STRING_TLSAUTH_USERNAME_PROXY] &&
+       !data->set.proxy_ssl.authtype)
+      data->set.proxy_ssl.authtype = CURL_TLSAUTH_SRP; /* default to SRP */
+    break;
+  case CURLOPT_TLSAUTH_TYPE:
+    argptr = va_arg(param, char *);
+    if(!argptr ||
+       strncasecompare(argptr, "SRP", strlen("SRP")))
+      data->set.ssl.authtype = CURL_TLSAUTH_SRP;
+    else
+      data->set.ssl.authtype = CURL_TLSAUTH_NONE;
+    break;
+  case CURLOPT_PROXY_TLSAUTH_TYPE:
+    argptr = va_arg(param, char *);
+    if(!argptr ||
+       strncasecompare(argptr, "SRP", strlen("SRP")))
+      data->set.proxy_ssl.authtype = CURL_TLSAUTH_SRP;
+    else
+      data->set.proxy_ssl.authtype = CURL_TLSAUTH_NONE;
+    break;
+#endif
+  case CURLOPT_DNS_SERVERS:
+    result = Curl_set_dns_servers(data, va_arg(param, char *));
+    break;
+  case CURLOPT_DNS_INTERFACE:
+    result = Curl_set_dns_interface(data, va_arg(param, char *));
+    break;
+  case CURLOPT_DNS_LOCAL_IP4:
+    result = Curl_set_dns_local_ip4(data, va_arg(param, char *));
+    break;
+  case CURLOPT_DNS_LOCAL_IP6:
+    result = Curl_set_dns_local_ip6(data, va_arg(param, char *));
+    break;
+
+  case CURLOPT_TCP_KEEPALIVE:
+    data->set.tcp_keepalive = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_TCP_KEEPIDLE:
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.tcp_keepidle = arg;
+    break;
+  case CURLOPT_TCP_KEEPINTVL:
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.tcp_keepintvl = arg;
+    break;
+  case CURLOPT_TCP_FASTOPEN:
+#if defined(CONNECT_DATA_IDEMPOTENT) || defined(MSG_FASTOPEN) || \
+   defined(TCP_FASTOPEN_CONNECT)
+    data->set.tcp_fastopen = (0 != va_arg(param, long))?TRUE:FALSE;
+#else
+    result = CURLE_NOT_BUILT_IN;
+#endif
+    break;
+  case CURLOPT_SSL_ENABLE_NPN:
+    data->set.ssl_enable_npn = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_SSL_ENABLE_ALPN:
+    data->set.ssl_enable_alpn = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+#ifdef USE_UNIX_SOCKETS
+  case CURLOPT_UNIX_SOCKET_PATH:
+    data->set.abstract_unix_socket = FALSE;
+    result = Curl_setstropt(&data->set.str[STRING_UNIX_SOCKET_PATH],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_ABSTRACT_UNIX_SOCKET:
+    data->set.abstract_unix_socket = TRUE;
+    result = Curl_setstropt(&data->set.str[STRING_UNIX_SOCKET_PATH],
+                            va_arg(param, char *));
+    break;
+#endif
+
+  case CURLOPT_PATH_AS_IS:
+    data->set.path_as_is = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_PIPEWAIT:
+    data->set.pipewait = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_STREAM_WEIGHT:
+#ifndef USE_NGHTTP2
+    return CURLE_NOT_BUILT_IN;
+#else
+    arg = va_arg(param, long);
+    if((arg >= 1) && (arg <= 256))
+      data->set.stream_weight = (int)arg;
+    break;
+#endif
+  case CURLOPT_STREAM_DEPENDS:
+  case CURLOPT_STREAM_DEPENDS_E:
+  {
+#ifndef USE_NGHTTP2
+    return CURLE_NOT_BUILT_IN;
+#else
+    struct Curl_easy *dep = va_arg(param, struct Curl_easy *);
+    if(!dep || GOOD_EASY_HANDLE(dep)) {
+      if(data->set.stream_depends_on) {
+        Curl_http2_remove_child(data->set.stream_depends_on, data);
+      }
+      Curl_http2_add_child(dep, data, (option == CURLOPT_STREAM_DEPENDS_E));
+    }
+    break;
+#endif
+  }
+  case CURLOPT_CONNECT_TO:
+    data->set.connect_to = va_arg(param, struct curl_slist *);
+    break;
+  case CURLOPT_SUPPRESS_CONNECT_HEADERS:
+    data->set.suppress_connect_headers = (0 != va_arg(param, long))?TRUE:FALSE;
+    break;
+  case CURLOPT_SSH_COMPRESSION:
+    data->set.ssh_compression = (0 != va_arg(param, long))?TRUE:FALSE;
+    break;
+  case CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS:
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.happy_eyeballs_timeout = arg;
+    break;
+  case CURLOPT_DNS_SHUFFLE_ADDRESSES:
+    data->set.dns_shuffle_addresses = (0 != va_arg(param, long)) ? TRUE:FALSE;
+    break;
+  case CURLOPT_DISALLOW_USERNAME_IN_URL:
+    data->set.disallow_username_in_url =
+      (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_DOH_URL:
+    result = Curl_setstropt(&data->set.str[STRING_DOH],
+                            va_arg(param, char *));
+    data->set.doh = data->set.str[STRING_DOH]?TRUE:FALSE;
+    break;
+  case CURLOPT_UPKEEP_INTERVAL_MS:
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.upkeep_interval_ms = arg;
+    break;
+  case CURLOPT_TRAILERFUNCTION:
+#ifndef CURL_DISABLE_HTTP
+    data->set.trailer_callback = va_arg(param, curl_trailer_callback);
+#endif
+    break;
+  case CURLOPT_TRAILERDATA:
+#ifndef CURL_DISABLE_HTTP
+    data->set.trailer_data = va_arg(param, void *);
+#endif
+    break;
+  default:
+    /* unknown tag and its companion, just ignore: */
+    result = CURLE_UNKNOWN_OPTION;
+    break;
+  }
+
+  return result;
+}
+
+/*
+ * curl_easy_setopt() is the external interface for setting options on an
+ * easy handle.
+ *
+ * NOTE: This is one of few API functions that are allowed to be called from
+ * within a callback.
+ */
+
+#undef curl_easy_setopt
+CURLcode curl_easy_setopt(struct Curl_easy *data, CURLoption tag, ...)
+{
+  va_list arg;
+  CURLcode result;
+
+  if(!data)
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+
+  va_start(arg, tag);
+
+  result = Curl_vsetopt(data, tag, arg);
+
+  va_end(arg);
+  return result;
+}
Index: trunk/src/libs/curl-7.64.0/lib/setopt.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/setopt.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/setopt.h	(revision 85671)
@@ -0,0 +1,29 @@
+#ifndef HEADER_CURL_SETOPT_H
+#define HEADER_CURL_SETOPT_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+CURLcode Curl_setstropt(char **charp, const char *s);
+CURLcode Curl_vsetopt(struct Curl_easy *data, CURLoption option,
+                      va_list arg);
+
+#endif /* HEADER_CURL_SETOPT_H */
Index: trunk/src/libs/curl-7.64.0/lib/setup-os400.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/setup-os400.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/setup-os400.h	(revision 85671)
@@ -0,0 +1,223 @@
+#ifndef HEADER_CURL_SETUP_OS400_H
+#define HEADER_CURL_SETUP_OS400_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+
+/* OS/400 netdb.h does not define NI_MAXHOST. */
+#define NI_MAXHOST      1025
+
+/* OS/400 netdb.h does not define NI_MAXSERV. */
+#define NI_MAXSERV      32
+
+/* No OS/400 header file defines u_int32_t. */
+typedef unsigned long   u_int32_t;
+
+
+/* System API wrapper prototypes & definitions to support ASCII parameters. */
+
+#include <sys/socket.h>
+#include <netdb.h>
+#include <gskssl.h>
+#include <qsoasync.h>
+#include <gssapi.h>
+
+extern int Curl_getaddrinfo_a(const char *nodename,
+                              const char *servname,
+                              const struct addrinfo *hints,
+                              struct addrinfo **res);
+#define getaddrinfo             Curl_getaddrinfo_a
+
+
+extern int Curl_getnameinfo_a(const struct sockaddr *sa,
+                              curl_socklen_t salen,
+                              char *nodename, curl_socklen_t nodenamelen,
+                              char *servname, curl_socklen_t servnamelen,
+                              int flags);
+#define getnameinfo             Curl_getnameinfo_a
+
+
+/* GSKit wrappers. */
+
+extern int      Curl_gsk_environment_open(gsk_handle * my_env_handle);
+#define gsk_environment_open    Curl_gsk_environment_open
+
+extern int      Curl_gsk_secure_soc_open(gsk_handle my_env_handle,
+                                         gsk_handle * my_session_handle);
+#define gsk_secure_soc_open     Curl_gsk_secure_soc_open
+
+extern int      Curl_gsk_environment_close(gsk_handle * my_env_handle);
+#define gsk_environment_close   Curl_gsk_environment_close
+
+extern int      Curl_gsk_secure_soc_close(gsk_handle * my_session_handle);
+#define gsk_secure_soc_close    Curl_gsk_secure_soc_close
+
+extern int      Curl_gsk_environment_init(gsk_handle my_env_handle);
+#define gsk_environment_init    Curl_gsk_environment_init
+
+extern int      Curl_gsk_secure_soc_init(gsk_handle my_session_handle);
+#define gsk_secure_soc_init     Curl_gsk_secure_soc_init
+
+extern int      Curl_gsk_attribute_set_buffer_a(gsk_handle my_gsk_handle,
+                                                GSK_BUF_ID bufID,
+                                                const char *buffer,
+                                                int bufSize);
+#define gsk_attribute_set_buffer        Curl_gsk_attribute_set_buffer_a
+
+extern int      Curl_gsk_attribute_set_enum(gsk_handle my_gsk_handle,
+                                            GSK_ENUM_ID enumID,
+                                            GSK_ENUM_VALUE enumValue);
+#define gsk_attribute_set_enum  Curl_gsk_attribute_set_enum
+
+extern int      Curl_gsk_attribute_set_numeric_value(gsk_handle my_gsk_handle,
+                                                     GSK_NUM_ID numID,
+                                                     int numValue);
+#define gsk_attribute_set_numeric_value Curl_gsk_attribute_set_numeric_value
+
+extern int      Curl_gsk_attribute_set_callback(gsk_handle my_gsk_handle,
+                                                GSK_CALLBACK_ID callBackID,
+                                                void *callBackAreaPtr);
+#define gsk_attribute_set_callback      Curl_gsk_attribute_set_callback
+
+extern int      Curl_gsk_attribute_get_buffer_a(gsk_handle my_gsk_handle,
+                                                GSK_BUF_ID bufID,
+                                                const char **buffer,
+                                                int *bufSize);
+#define gsk_attribute_get_buffer        Curl_gsk_attribute_get_buffer_a
+
+extern int      Curl_gsk_attribute_get_enum(gsk_handle my_gsk_handle,
+                                            GSK_ENUM_ID enumID,
+                                            GSK_ENUM_VALUE *enumValue);
+#define gsk_attribute_get_enum  Curl_gsk_attribute_get_enum
+
+extern int      Curl_gsk_attribute_get_numeric_value(gsk_handle my_gsk_handle,
+                                                     GSK_NUM_ID numID,
+                                                     int *numValue);
+#define gsk_attribute_get_numeric_value Curl_gsk_attribute_get_numeric_value
+
+extern int      Curl_gsk_attribute_get_cert_info(gsk_handle my_gsk_handle,
+                                 GSK_CERT_ID certID,
+                                 const gsk_cert_data_elem **certDataElem,
+                                 int *certDataElementCount);
+#define gsk_attribute_get_cert_info     Curl_gsk_attribute_get_cert_info
+
+extern int      Curl_gsk_secure_soc_misc(gsk_handle my_session_handle,
+                                         GSK_MISC_ID miscID);
+#define gsk_secure_soc_misc     Curl_gsk_secure_soc_misc
+
+extern int      Curl_gsk_secure_soc_read(gsk_handle my_session_handle,
+                                         char *readBuffer,
+                                         int readBufSize, int *amtRead);
+#define gsk_secure_soc_read     Curl_gsk_secure_soc_read
+
+extern int      Curl_gsk_secure_soc_write(gsk_handle my_session_handle,
+                                          char *writeBuffer,
+                                          int writeBufSize, int *amtWritten);
+#define gsk_secure_soc_write    Curl_gsk_secure_soc_write
+
+extern const char *     Curl_gsk_strerror_a(int gsk_return_value);
+#define gsk_strerror    Curl_gsk_strerror_a
+
+extern int      Curl_gsk_secure_soc_startInit(gsk_handle my_session_handle,
+                                      int IOCompletionPort,
+                                      Qso_OverlappedIO_t * communicationsArea);
+#define gsk_secure_soc_startInit        Curl_gsk_secure_soc_startInit
+
+
+/* GSSAPI wrappers. */
+
+extern OM_uint32 Curl_gss_import_name_a(OM_uint32 * minor_status,
+                                        gss_buffer_t in_name,
+                                        gss_OID in_name_type,
+                                        gss_name_t * out_name);
+#define gss_import_name         Curl_gss_import_name_a
+
+
+extern OM_uint32 Curl_gss_display_status_a(OM_uint32 * minor_status,
+                                           OM_uint32 status_value,
+                                           int status_type, gss_OID mech_type,
+                                           gss_msg_ctx_t * message_context,
+                                           gss_buffer_t status_string);
+#define gss_display_status      Curl_gss_display_status_a
+
+
+extern OM_uint32 Curl_gss_init_sec_context_a(OM_uint32 * minor_status,
+                                             gss_cred_id_t cred_handle,
+                                             gss_ctx_id_t * context_handle,
+                                             gss_name_t target_name,
+                                             gss_OID mech_type,
+                                             gss_flags_t req_flags,
+                                             OM_uint32 time_req,
+                                             gss_channel_bindings_t
+                                             input_chan_bindings,
+                                             gss_buffer_t input_token,
+                                             gss_OID * actual_mech_type,
+                                             gss_buffer_t output_token,
+                                             gss_flags_t * ret_flags,
+                                             OM_uint32 * time_rec);
+#define gss_init_sec_context    Curl_gss_init_sec_context_a
+
+
+extern OM_uint32 Curl_gss_delete_sec_context_a(OM_uint32 * minor_status,
+                                               gss_ctx_id_t * context_handle,
+                                               gss_buffer_t output_token);
+#define gss_delete_sec_context  Curl_gss_delete_sec_context_a
+
+
+/* LDAP wrappers. */
+
+#define BerValue                struct berval
+
+#define ldap_url_parse          ldap_url_parse_utf8
+#define ldap_init               Curl_ldap_init_a
+#define ldap_simple_bind_s      Curl_ldap_simple_bind_s_a
+#define ldap_search_s           Curl_ldap_search_s_a
+#define ldap_get_values_len     Curl_ldap_get_values_len_a
+#define ldap_err2string         Curl_ldap_err2string_a
+#define ldap_get_dn             Curl_ldap_get_dn_a
+#define ldap_first_attribute    Curl_ldap_first_attribute_a
+#define ldap_next_attribute     Curl_ldap_next_attribute_a
+
+/* Some socket functions must be wrapped to process textual addresses
+   like AF_UNIX. */
+
+extern int Curl_os400_connect(int sd, struct sockaddr * destaddr, int addrlen);
+extern int Curl_os400_bind(int sd, struct sockaddr * localaddr, int addrlen);
+extern int Curl_os400_sendto(int sd, char *buffer, int buflen, int flags,
+                             struct sockaddr * dstaddr, int addrlen);
+extern int Curl_os400_recvfrom(int sd, char *buffer, int buflen, int flags,
+                               struct sockaddr *fromaddr, int *addrlen);
+
+#define connect                 Curl_os400_connect
+#define bind                    Curl_os400_bind
+#define sendto                  Curl_os400_sendto
+#define recvfrom                Curl_os400_recvfrom
+
+#ifdef HAVE_LIBZ
+#define zlibVersion             Curl_os400_zlibVersion
+#define inflateInit_            Curl_os400_inflateInit_
+#define inflateInit2_           Curl_os400_inflateInit2_
+#define inflate                 Curl_os400_inflate
+#define inflateEnd              Curl_os400_inflateEnd
+#endif
+
+#endif /* HEADER_CURL_SETUP_OS400_H */
Index: trunk/src/libs/curl-7.64.0/lib/setup-vms.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/setup-vms.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/setup-vms.h	(revision 85671)
@@ -0,0 +1,443 @@
+#ifndef HEADER_CURL_SETUP_VMS_H
+#define HEADER_CURL_SETUP_VMS_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*                                                                         */
+/* JEM, 12/30/12, VMS now generates config.h, so only define wrappers for  */
+/*                getenv(), getpwuid() and provide is_vms_shell()          */
+/*                Also need upper case symbols for system services, and    */
+/*                OpenSSL, and some Kerberos image                         */
+
+#ifdef __DECC
+#pragma message save
+#pragma message disable dollarid
+#endif
+
+/* Hide the stuff we are overriding */
+#define getenv decc_getenv
+#ifdef __DECC
+#   if __INITIAL_POINTER_SIZE != 64
+#       define getpwuid decc_getpwuid
+#   endif
+#endif
+#include <stdlib.h>
+char *decc$getenv(const char *__name);
+#include <pwd.h>
+
+#include <string.h>
+#include <unixlib.h>
+
+#undef getenv
+#undef getpwuid
+#define getenv vms_getenv
+#define getpwuid vms_getpwuid
+
+/* VAX needs these in upper case when compiling exact case */
+#define sys$assign SYS$ASSIGN
+#define sys$dassgn SYS$DASSGN
+#define sys$qiow SYS$QIOW
+
+#ifdef __DECC
+#   if __INITIAL_POINTER_SIZE
+#       pragma __pointer_size __save
+#   endif
+#endif
+
+#if __USE_LONG_GID_T
+#   define decc_getpwuid DECC$__LONG_GID_GETPWUID
+#else
+#   if __INITIAL_POINTER_SIZE
+#       define decc_getpwuid decc$__32_getpwuid
+#   else
+#       define decc_getpwuid decc$getpwuid
+#   endif
+#endif
+
+    struct passwd * decc_getpwuid(uid_t uid);
+
+#ifdef __DECC
+#   if __INITIAL_POINTER_SIZE == 32
+/* Translate the path, but only if the path is a VMS file specification */
+/* The translation is usually only needed for older versions of VMS */
+static char *vms_translate_path(const char *path)
+{
+  char *unix_path;
+  char *test_str;
+
+  /* See if the result is in VMS format, if not, we are done */
+  /* Assume that this is a PATH, not just some data */
+  test_str = strpbrk(path, ":[<^");
+  if(test_str == NULL) {
+    return (char *)path;
+  }
+
+  unix_path = decc$translate_vms(path);
+
+  if((int)unix_path <= 0) {
+    /* We can not translate it, so return the original string */
+    return (char *)path;
+  }
+}
+#   else
+    /* VMS translate path is actually not needed on the current 64 bit */
+    /* VMS platforms, so instead of figuring out the pointer settings */
+    /* Change it to a noop */
+#   define vms_translate_path(__path) __path
+#   endif
+#endif
+
+#ifdef __DECC
+#   if __INITIAL_POINTER_SIZE
+#       pragma __pointer_size __restore
+#   endif
+#endif
+
+static char *vms_getenv(const char *envvar)
+{
+  char *result;
+  char *vms_path;
+
+  /* first use the DECC getenv() function */
+  result = decc$getenv(envvar);
+  if(result == NULL) {
+    return result;
+  }
+
+  vms_path = result;
+  result = vms_translate_path(vms_path);
+
+  /* note that if you backport this to use VAX C RTL, that the VAX C RTL */
+  /* may do a malloc(2048) for each call to getenv(), so you will need   */
+  /* to add a free(vms_path) */
+  /* Do not do a free() for DEC C RTL builds, which should be used for */
+  /* VMS 5.5-2 and later, even if using GCC */
+
+  return result;
+}
+
+
+static struct passwd vms_passwd_cache;
+
+static struct passwd * vms_getpwuid(uid_t uid)
+{
+  struct passwd * my_passwd;
+
+/* Hack needed to support 64 bit builds, decc_getpwnam is 32 bit only */
+#ifdef __DECC
+#   if __INITIAL_POINTER_SIZE
+  __char_ptr32 unix_path;
+#   else
+  char *unix_path;
+#   endif
+#else
+  char *unix_path;
+#endif
+
+  my_passwd = decc_getpwuid(uid);
+  if(my_passwd == NULL) {
+    return my_passwd;
+  }
+
+  unix_path = vms_translate_path(my_passwd->pw_dir);
+
+  if((long)unix_path <= 0) {
+    /* We can not translate it, so return the original string */
+    return my_passwd;
+  }
+
+  /* If no changes needed just return it */
+  if(unix_path == my_passwd->pw_dir) {
+    return my_passwd;
+  }
+
+  /* Need to copy the structure returned */
+  /* Since curl is only using pw_dir, no need to fix up */
+  /* the pw_shell when running under Bash */
+  vms_passwd_cache.pw_name = my_passwd->pw_name;
+  vms_passwd_cache.pw_uid = my_passwd->pw_uid;
+  vms_passwd_cache.pw_gid = my_passwd->pw_uid;
+  vms_passwd_cache.pw_dir = unix_path;
+  vms_passwd_cache.pw_shell = my_passwd->pw_shell;
+
+  return &vms_passwd_cache;
+}
+
+#ifdef __DECC
+#pragma message restore
+#endif
+
+/* Bug - VMS OpenSSL and Kerberos universal symbols are in uppercase only */
+/* VMS libraries should have universal symbols in exact and uppercase */
+
+#define ASN1_INTEGER_get ASN1_INTEGER_GET
+#define ASN1_STRING_data ASN1_STRING_DATA
+#define ASN1_STRING_length ASN1_STRING_LENGTH
+#define ASN1_STRING_print ASN1_STRING_PRINT
+#define ASN1_STRING_to_UTF8 ASN1_STRING_TO_UTF8
+#define ASN1_STRING_type ASN1_STRING_TYPE
+#define BIO_ctrl BIO_CTRL
+#define BIO_free BIO_FREE
+#define BIO_new BIO_NEW
+#define BIO_s_mem BIO_S_MEM
+#define BN_bn2bin BN_BN2BIN
+#define BN_num_bits BN_NUM_BITS
+#define CRYPTO_cleanup_all_ex_data CRYPTO_CLEANUP_ALL_EX_DATA
+#define CRYPTO_free CRYPTO_FREE
+#define CRYPTO_malloc CRYPTO_MALLOC
+#define CONF_modules_load_file CONF_MODULES_LOAD_FILE
+#ifdef __VAX
+#  ifdef VMS_OLD_SSL
+  /* Ancient OpenSSL on VAX/VMS missing this constant */
+#    define CONF_MFLAGS_IGNORE_MISSING_FILE 0x10
+#    undef CONF_modules_load_file
+     static int CONF_modules_load_file(const char *filename,
+                                       const char *appname,
+                                       unsigned long flags) {
+             return 1;
+     }
+#  endif
+#endif
+#define DES_ecb_encrypt DES_ECB_ENCRYPT
+#define DES_set_key DES_SET_KEY
+#define DES_set_odd_parity DES_SET_ODD_PARITY
+#define ENGINE_ctrl ENGINE_CTRL
+#define ENGINE_ctrl_cmd ENGINE_CTRL_CMD
+#define ENGINE_finish ENGINE_FINISH
+#define ENGINE_free ENGINE_FREE
+#define ENGINE_get_first ENGINE_GET_FIRST
+#define ENGINE_get_id ENGINE_GET_ID
+#define ENGINE_get_next ENGINE_GET_NEXT
+#define ENGINE_init ENGINE_INIT
+#define ENGINE_load_builtin_engines ENGINE_LOAD_BUILTIN_ENGINES
+#define ENGINE_load_private_key ENGINE_LOAD_PRIVATE_KEY
+#define ENGINE_set_default ENGINE_SET_DEFAULT
+#define ERR_clear_error ERR_CLEAR_ERROR
+#define ERR_error_string ERR_ERROR_STRING
+#define ERR_error_string_n ERR_ERROR_STRING_N
+#define ERR_free_strings ERR_FREE_STRINGS
+#define ERR_get_error ERR_GET_ERROR
+#define ERR_peek_error ERR_PEEK_ERROR
+#define ERR_remove_state ERR_REMOVE_STATE
+#define EVP_PKEY_copy_parameters EVP_PKEY_COPY_PARAMETERS
+#define EVP_PKEY_free EVP_PKEY_FREE
+#define EVP_cleanup EVP_CLEANUP
+#define GENERAL_NAMES_free GENERAL_NAMES_FREE
+#define i2d_X509_PUBKEY I2D_X509_PUBKEY
+#define MD4_Final MD4_FINAL
+#define MD4_Init MD4_INIT
+#define MD4_Update MD4_UPDATE
+#define MD5_Final MD5_FINAL
+#define MD5_Init MD5_INIT
+#define MD5_Update MD5_UPDATE
+#define OPENSSL_add_all_algo_noconf OPENSSL_ADD_ALL_ALGO_NOCONF
+#ifndef __VAX
+#define OPENSSL_load_builtin_modules OPENSSL_LOAD_BUILTIN_MODULES
+#endif
+#define PEM_read_X509 PEM_READ_X509
+#define PEM_write_bio_X509 PEM_WRITE_BIO_X509
+#define PKCS12_PBE_add PKCS12_PBE_ADD
+#define PKCS12_free PKCS12_FREE
+#define PKCS12_parse PKCS12_PARSE
+#define RAND_add RAND_ADD
+#define RAND_bytes RAND_BYTES
+#define RAND_egd RAND_EGD
+#define RAND_file_name RAND_FILE_NAME
+#define RAND_load_file RAND_LOAD_FILE
+#define RAND_status RAND_STATUS
+#define SSL_CIPHER_get_name SSL_CIPHER_GET_NAME
+#define SSL_CTX_add_client_CA SSL_CTX_ADD_CLIENT_CA
+#define SSL_CTX_callback_ctrl SSL_CTX_CALLBACK_CTRL
+#define SSL_CTX_check_private_key SSL_CTX_CHECK_PRIVATE_KEY
+#define SSL_CTX_ctrl SSL_CTX_CTRL
+#define SSL_CTX_free SSL_CTX_FREE
+#define SSL_CTX_get_cert_store SSL_CTX_GET_CERT_STORE
+#define SSL_CTX_load_verify_locations SSL_CTX_LOAD_VERIFY_LOCATIONS
+#define SSL_CTX_new SSL_CTX_NEW
+#define SSL_CTX_set_cipher_list SSL_CTX_SET_CIPHER_LIST
+#define SSL_CTX_set_def_passwd_cb_ud SSL_CTX_SET_DEF_PASSWD_CB_UD
+#define SSL_CTX_set_default_passwd_cb SSL_CTX_SET_DEFAULT_PASSWD_CB
+#define SSL_CTX_set_msg_callback SSL_CTX_SET_MSG_CALLBACK
+#define SSL_CTX_set_verify SSL_CTX_SET_VERIFY
+#define SSL_CTX_use_PrivateKey SSL_CTX_USE_PRIVATEKEY
+#define SSL_CTX_use_PrivateKey_file SSL_CTX_USE_PRIVATEKEY_FILE
+#define SSL_CTX_use_cert_chain_file SSL_CTX_USE_CERT_CHAIN_FILE
+#define SSL_CTX_use_certificate SSL_CTX_USE_CERTIFICATE
+#define SSL_CTX_use_certificate_file SSL_CTX_USE_CERTIFICATE_FILE
+#define SSL_SESSION_free SSL_SESSION_FREE
+#define SSL_connect SSL_CONNECT
+#define SSL_free SSL_FREE
+#define SSL_get1_session SSL_GET1_SESSION
+#define SSL_get_certificate SSL_GET_CERTIFICATE
+#define SSL_get_current_cipher SSL_GET_CURRENT_CIPHER
+#define SSL_get_error SSL_GET_ERROR
+#define SSL_get_peer_cert_chain SSL_GET_PEER_CERT_CHAIN
+#define SSL_get_peer_certificate SSL_GET_PEER_CERTIFICATE
+#define SSL_get_privatekey SSL_GET_PRIVATEKEY
+#define SSL_get_session SSL_GET_SESSION
+#define SSL_get_shutdown SSL_GET_SHUTDOWN
+#define SSL_get_verify_result SSL_GET_VERIFY_RESULT
+#define SSL_library_init SSL_LIBRARY_INIT
+#define SSL_load_error_strings SSL_LOAD_ERROR_STRINGS
+#define SSL_new SSL_NEW
+#define SSL_peek SSL_PEEK
+#define SSL_pending SSL_PENDING
+#define SSL_read SSL_READ
+#define SSL_set_connect_state SSL_SET_CONNECT_STATE
+#define SSL_set_fd SSL_SET_FD
+#define SSL_set_session SSL_SET_SESSION
+#define SSL_shutdown SSL_SHUTDOWN
+#define SSL_version SSL_VERSION
+#define SSL_write SSL_WRITE
+#define SSLeay SSLEAY
+#define SSLv23_client_method SSLV23_CLIENT_METHOD
+#define SSLv3_client_method SSLV3_CLIENT_METHOD
+#define TLSv1_client_method TLSV1_CLIENT_METHOD
+#define UI_create_method UI_CREATE_METHOD
+#define UI_destroy_method UI_DESTROY_METHOD
+#define UI_get0_user_data UI_GET0_USER_DATA
+#define UI_get_input_flags UI_GET_INPUT_FLAGS
+#define UI_get_string_type UI_GET_STRING_TYPE
+#define UI_create_method UI_CREATE_METHOD
+#define UI_destroy_method UI_DESTROY_METHOD
+#define UI_method_get_closer UI_METHOD_GET_CLOSER
+#define UI_method_get_opener UI_METHOD_GET_OPENER
+#define UI_method_get_reader UI_METHOD_GET_READER
+#define UI_method_get_writer UI_METHOD_GET_WRITER
+#define UI_method_set_closer UI_METHOD_SET_CLOSER
+#define UI_method_set_opener UI_METHOD_SET_OPENER
+#define UI_method_set_reader UI_METHOD_SET_READER
+#define UI_method_set_writer UI_METHOD_SET_WRITER
+#define UI_OpenSSL UI_OPENSSL
+#define UI_set_result UI_SET_RESULT
+#define X509V3_EXT_print X509V3_EXT_PRINT
+#define X509_EXTENSION_get_critical X509_EXTENSION_GET_CRITICAL
+#define X509_EXTENSION_get_data X509_EXTENSION_GET_DATA
+#define X509_EXTENSION_get_object X509_EXTENSION_GET_OBJECT
+#define X509_LOOKUP_file X509_LOOKUP_FILE
+#define X509_NAME_ENTRY_get_data X509_NAME_ENTRY_GET_DATA
+#define X509_NAME_get_entry X509_NAME_GET_ENTRY
+#define X509_NAME_get_index_by_NID X509_NAME_GET_INDEX_BY_NID
+#define X509_NAME_print_ex X509_NAME_PRINT_EX
+#define X509_STORE_CTX_get_current_cert X509_STORE_CTX_GET_CURRENT_CERT
+#define X509_STORE_add_lookup X509_STORE_ADD_LOOKUP
+#define X509_STORE_set_flags X509_STORE_SET_FLAGS
+#define X509_check_issued X509_CHECK_ISSUED
+#define X509_free X509_FREE
+#define X509_get_ext_d2i X509_GET_EXT_D2I
+#define X509_get_issuer_name X509_GET_ISSUER_NAME
+#define X509_get_pubkey X509_GET_PUBKEY
+#define X509_get_serialNumber X509_GET_SERIALNUMBER
+#define X509_get_subject_name X509_GET_SUBJECT_NAME
+#define X509_load_crl_file X509_LOAD_CRL_FILE
+#define X509_verify_cert_error_string X509_VERIFY_CERT_ERROR_STRING
+#define d2i_PKCS12_fp D2I_PKCS12_FP
+#define i2t_ASN1_OBJECT I2T_ASN1_OBJECT
+#define sk_num SK_NUM
+#define sk_pop SK_POP
+#define sk_pop_free SK_POP_FREE
+#define sk_value SK_VALUE
+#ifdef __VAX
+#define OPENSSL_NO_SHA256
+#endif
+#define SHA256_Final SHA256_FINAL
+#define SHA256_Init SHA256_INIT
+#define SHA256_Update SHA256_UPDATE
+
+#define USE_UPPERCASE_GSSAPI 1
+#define gss_seal GSS_SEAL
+#define gss_unseal GSS_UNSEAL
+
+#define USE_UPPERCASE_KRBAPI 1
+
+/* AI_NUMERICHOST needed for IP V6 support in Curl */
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#ifndef AI_NUMERICHOST
+#ifdef ENABLE_IPV6
+#undef ENABLE_IPV6
+#endif
+#endif
+#endif
+
+/* VAX symbols are always in uppercase */
+#ifdef __VAX
+#define inflate INFLATE
+#define inflateEnd INFLATEEND
+#define inflateInit2_ INFLATEINIT2_
+#define inflateInit_ INFLATEINIT_
+#define zlibVersion ZLIBVERSION
+#endif
+
+/* Older VAX OpenSSL port defines these as Macros */
+/* Need to include the headers first and then redefine */
+/* that way a newer port will also work if some one has one */
+#ifdef __VAX
+
+#   if (OPENSSL_VERSION_NUMBER < 0x00907001L)
+#       define des_set_odd_parity DES_SET_ODD_PARITY
+#       define des_set_key DES_SET_KEY
+#       define des_ecb_encrypt DES_ECB_ENCRYPT
+
+#   endif
+#   include <openssl/evp.h>
+#   ifndef OpenSSL_add_all_algorithms
+#       define OpenSSL_add_all_algorithms OPENSSL_ADD_ALL_ALGORITHMS
+        void OPENSSL_ADD_ALL_ALGORITHMS(void);
+#   endif
+
+    /* Curl defines these to lower case and VAX needs them in upper case */
+    /* So we need static routines */
+#   if (OPENSSL_VERSION_NUMBER < 0x00907001L)
+
+#       undef des_set_odd_parity
+#       undef DES_set_odd_parity
+#       undef des_set_key
+#       undef DES_set_key
+#       undef des_ecb_encrypt
+#       undef DES_ecb_encrypt
+
+        static void des_set_odd_parity(des_cblock *key) {
+            DES_SET_ODD_PARITY(key);
+        }
+
+        static int des_set_key(const_des_cblock *key,
+                               des_key_schedule schedule) {
+            return DES_SET_KEY(key, schedule);
+        }
+
+        static void des_ecb_encrypt(const_des_cblock *input,
+                                    des_cblock *output,
+                                    des_key_schedule ks, int enc) {
+            DES_ECB_ENCRYPT(input, output, ks, enc);
+        }
+#endif
+/* Need this to stop a macro redefinition error */
+#if OPENSSL_VERSION_NUMBER < 0x00907000L
+#   ifdef X509_STORE_set_flags
+#       undef X509_STORE_set_flags
+#       define X509_STORE_set_flags(x,y) Curl_nop_stmt
+#   endif
+#endif
+#endif
+
+#endif /* HEADER_CURL_SETUP_VMS_H */
Index: trunk/src/libs/curl-7.64.0/lib/sha256.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/sha256.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/sha256.c	(revision 85671)
@@ -0,0 +1,267 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Florin Petriuc, <petriuc.florin@gmail.com>
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+
+#include "warnless.h"
+#include "curl_sha256.h"
+
+#if defined(USE_OPENSSL)
+
+#include <openssl/opensslv.h>
+
+#if (OPENSSL_VERSION_NUMBER >= 0x0090800fL)
+#define USE_OPENSSL_SHA256
+#endif
+
+#endif
+
+#ifdef USE_OPENSSL_SHA256
+/* When OpenSSL is available we use the SHA256-function from OpenSSL */
+#include <openssl/sha.h>
+#else
+
+/* When no other crypto library is available we use this code segment */
+
+/* ===== start - public domain SHA256 implementation ===== */
+/* This is based on SHA256 implementation in LibTomCrypt that was released into
+ * public domain by Tom St Denis. */
+
+#define WPA_GET_BE32(a) ((((unsigned long)(a)[0]) << 24) | \
+                         (((unsigned long)(a)[1]) << 16) | \
+                         (((unsigned long)(a)[2]) <<  8) | \
+                          ((unsigned long)(a)[3]))
+#define WPA_PUT_BE32(a, val)                                        \
+do {                                                                \
+  (a)[0] = (unsigned char)((((unsigned long) (val)) >> 24) & 0xff); \
+  (a)[1] = (unsigned char)((((unsigned long) (val)) >> 16) & 0xff); \
+  (a)[2] = (unsigned char)((((unsigned long) (val)) >> 8) & 0xff);  \
+  (a)[3] = (unsigned char)(((unsigned long) (val)) & 0xff);         \
+} while(0)
+
+#ifdef HAVE_LONGLONG
+#define WPA_PUT_BE64(a, val)                                    \
+do {                                                            \
+  (a)[0] = (unsigned char)(((unsigned long long)(val)) >> 56);  \
+  (a)[1] = (unsigned char)(((unsigned long long)(val)) >> 48);  \
+  (a)[2] = (unsigned char)(((unsigned long long)(val)) >> 40);  \
+  (a)[3] = (unsigned char)(((unsigned long long)(val)) >> 32);  \
+  (a)[4] = (unsigned char)(((unsigned long long)(val)) >> 24);  \
+  (a)[5] = (unsigned char)(((unsigned long long)(val)) >> 16);  \
+  (a)[6] = (unsigned char)(((unsigned long long)(val)) >> 8);   \
+  (a)[7] = (unsigned char)(((unsigned long long)(val)) & 0xff); \
+} while(0)
+#else
+#define WPA_PUT_BE64(a, val)                                  \
+do {                                                          \
+  (a)[0] = (unsigned char)(((unsigned __int64)(val)) >> 56);  \
+  (a)[1] = (unsigned char)(((unsigned __int64)(val)) >> 48);  \
+  (a)[2] = (unsigned char)(((unsigned __int64)(val)) >> 40);  \
+  (a)[3] = (unsigned char)(((unsigned __int64)(val)) >> 32);  \
+  (a)[4] = (unsigned char)(((unsigned __int64)(val)) >> 24);  \
+  (a)[5] = (unsigned char)(((unsigned __int64)(val)) >> 16);  \
+  (a)[6] = (unsigned char)(((unsigned __int64)(val)) >> 8);   \
+  (a)[7] = (unsigned char)(((unsigned __int64)(val)) & 0xff); \
+} while(0)
+#endif
+
+typedef struct sha256_state {
+#ifdef HAVE_LONGLONG
+  unsigned long long length;
+#else
+  unsigned __int64 length;
+#endif
+  unsigned long state[8], curlen;
+  unsigned char buf[64];
+} SHA256_CTX;
+/* the K array */
+static const unsigned long K[64] = {
+  0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL, 0x3956c25bUL,
+  0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL, 0xd807aa98UL, 0x12835b01UL,
+  0x243185beUL, 0x550c7dc3UL, 0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL,
+  0xc19bf174UL, 0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL,
+  0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL, 0x983e5152UL,
+  0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL, 0xc6e00bf3UL, 0xd5a79147UL,
+  0x06ca6351UL, 0x14292967UL, 0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL,
+  0x53380d13UL, 0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL,
+  0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL, 0xd192e819UL,
+  0xd6990624UL, 0xf40e3585UL, 0x106aa070UL, 0x19a4c116UL, 0x1e376c08UL,
+  0x2748774cUL, 0x34b0bcb5UL, 0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL,
+  0x682e6ff3UL, 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,
+  0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL
+};
+/* Various logical functions */
+#define RORc(x, y) \
+(((((unsigned long)(x) & 0xFFFFFFFFUL) >> (unsigned long)((y) & 31)) | \
+   ((unsigned long)(x) << (unsigned long)(32 - ((y) & 31)))) & 0xFFFFFFFFUL)
+#define Ch(x,y,z)   (z ^ (x & (y ^ z)))
+#define Maj(x,y,z)  (((x | y) & z) | (x & y))
+#define S(x, n)     RORc((x), (n))
+#define R(x, n)     (((x)&0xFFFFFFFFUL)>>(n))
+#define Sigma0(x)   (S(x, 2) ^ S(x, 13) ^ S(x, 22))
+#define Sigma1(x)   (S(x, 6) ^ S(x, 11) ^ S(x, 25))
+#define Gamma0(x)   (S(x, 7) ^ S(x, 18) ^ R(x, 3))
+#define Gamma1(x)   (S(x, 17) ^ S(x, 19) ^ R(x, 10))
+/* compress 512-bits */
+static int sha256_compress(struct sha256_state *md,
+                           unsigned char *buf)
+{
+  unsigned long S[8], W[64];
+  int i;
+  /* copy state into S */
+  for(i = 0; i < 8; i++) {
+    S[i] = md->state[i];
+  }
+  /* copy the state into 512-bits into W[0..15] */
+  for(i = 0; i < 16; i++)
+    W[i] = WPA_GET_BE32(buf + (4 * i));
+  /* fill W[16..63] */
+  for(i = 16; i < 64; i++) {
+    W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) +
+      W[i - 16];
+  }
+  /* Compress */
+#define RND(a,b,c,d,e,f,g,h,i)                                  \
+  unsigned long t0 = h + Sigma1(e) + Ch(e, f, g) + K[i] + W[i]; \
+  unsigned long t1 = Sigma0(a) + Maj(a, b, c);                  \
+  d += t0;                                                      \
+  h = t0 + t1;
+  for(i = 0; i < 64; ++i) {
+    unsigned long t;
+    RND(S[0], S[1], S[2], S[3], S[4], S[5], S[6], S[7], i);
+    t = S[7]; S[7] = S[6]; S[6] = S[5]; S[5] = S[4];
+    S[4] = S[3]; S[3] = S[2]; S[2] = S[1]; S[1] = S[0]; S[0] = t;
+  }
+  /* feedback */
+  for(i = 0; i < 8; i++) {
+    md->state[i] = md->state[i] + S[i];
+  }
+  return 0;
+}
+/* Initialize the hash state */
+static void SHA256_Init(struct sha256_state *md)
+{
+  md->curlen = 0;
+  md->length = 0;
+  md->state[0] = 0x6A09E667UL;
+  md->state[1] = 0xBB67AE85UL;
+  md->state[2] = 0x3C6EF372UL;
+  md->state[3] = 0xA54FF53AUL;
+  md->state[4] = 0x510E527FUL;
+  md->state[5] = 0x9B05688CUL;
+  md->state[6] = 0x1F83D9ABUL;
+  md->state[7] = 0x5BE0CD19UL;
+}
+/**
+   Process a block of memory though the hash
+   @param md     The hash state
+   @param in     The data to hash
+   @param inlen  The length of the data (octets)
+   @return CRYPT_OK if successful
+*/
+static int SHA256_Update(struct sha256_state *md,
+                         const unsigned char *in,
+                         unsigned long inlen)
+{
+  unsigned long n;
+#define block_size 64
+  if(md->curlen > sizeof(md->buf))
+    return -1;
+  while(inlen > 0) {
+    if(md->curlen == 0 && inlen >= block_size) {
+      if(sha256_compress(md, (unsigned char *)in) < 0)
+        return -1;
+      md->length += block_size * 8;
+      in += block_size;
+      inlen -= block_size;
+    }
+    else {
+      n = CURLMIN(inlen, (block_size - md->curlen));
+      memcpy(md->buf + md->curlen, in, n);
+      md->curlen += n;
+      in += n;
+      inlen -= n;
+      if(md->curlen == block_size) {
+        if(sha256_compress(md, md->buf) < 0)
+          return -1;
+        md->length += 8 * block_size;
+        md->curlen = 0;
+      }
+    }
+  }
+  return 0;
+}
+/**
+   Terminate the hash to get the digest
+   @param md  The hash state
+   @param out [out] The destination of the hash (32 bytes)
+   @return CRYPT_OK if successful
+*/
+static int SHA256_Final(unsigned char *out,
+                        struct sha256_state *md)
+{
+  int i;
+  if(md->curlen >= sizeof(md->buf))
+    return -1;
+  /* increase the length of the message */
+  md->length += md->curlen * 8;
+  /* append the '1' bit */
+  md->buf[md->curlen++] = (unsigned char)0x80;
+  /* if the length is currently above 56 bytes we append zeros
+   * then compress.  Then we can fall back to padding zeros and length
+   * encoding like normal.
+   */
+  if(md->curlen > 56) {
+    while(md->curlen < 64) {
+      md->buf[md->curlen++] = (unsigned char)0;
+    }
+    sha256_compress(md, md->buf);
+    md->curlen = 0;
+  }
+  /* pad up to 56 bytes of zeroes */
+  while(md->curlen < 56) {
+    md->buf[md->curlen++] = (unsigned char)0;
+  }
+  /* store length */
+  WPA_PUT_BE64(md->buf + 56, md->length);
+  sha256_compress(md, md->buf);
+  /* copy output */
+  for(i = 0; i < 8; i++)
+    WPA_PUT_BE32(out + (4 * i), md->state[i]);
+  return 0;
+}
+/* ===== end - public domain SHA256 implementation ===== */
+
+#endif
+
+void Curl_sha256it(unsigned char *outbuffer, /* 32 unsigned chars */
+                   const unsigned char *input)
+{
+  SHA256_CTX ctx;
+  SHA256_Init(&ctx);
+  SHA256_Update(&ctx, input, curlx_uztoui(strlen((char *)input)));
+  SHA256_Final(outbuffer, &ctx);
+}
+
+#endif /* CURL_DISABLE_CRYPTO_AUTH */
Index: trunk/src/libs/curl-7.64.0/lib/share.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/share.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/share.c	(revision 85671)
@@ -0,0 +1,257 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+#include "urldata.h"
+#include "share.h"
+#include "psl.h"
+#include "vtls/vtls.h"
+#include "curl_memory.h"
+
+/* The last #include file should be: */
+#include "memdebug.h"
+
+struct Curl_share *
+curl_share_init(void)
+{
+  struct Curl_share *share = calloc(1, sizeof(struct Curl_share));
+  if(share) {
+    share->specifier |= (1<<CURL_LOCK_DATA_SHARE);
+
+    if(Curl_mk_dnscache(&share->hostcache)) {
+      free(share);
+      return NULL;
+    }
+  }
+
+  return share;
+}
+
+#undef curl_share_setopt
+CURLSHcode
+curl_share_setopt(struct Curl_share *share, CURLSHoption option, ...)
+{
+  va_list param;
+  int type;
+  curl_lock_function lockfunc;
+  curl_unlock_function unlockfunc;
+  void *ptr;
+  CURLSHcode res = CURLSHE_OK;
+
+  if(share->dirty)
+    /* don't allow setting options while one or more handles are already
+       using this share */
+    return CURLSHE_IN_USE;
+
+  va_start(param, option);
+
+  switch(option) {
+  case CURLSHOPT_SHARE:
+    /* this is a type this share will share */
+    type = va_arg(param, int);
+    share->specifier |= (1<<type);
+    switch(type) {
+    case CURL_LOCK_DATA_DNS:
+      break;
+
+    case CURL_LOCK_DATA_COOKIE:
+#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
+      if(!share->cookies) {
+        share->cookies = Curl_cookie_init(NULL, NULL, NULL, TRUE);
+        if(!share->cookies)
+          res = CURLSHE_NOMEM;
+      }
+#else   /* CURL_DISABLE_HTTP */
+      res = CURLSHE_NOT_BUILT_IN;
+#endif
+      break;
+
+    case CURL_LOCK_DATA_SSL_SESSION:
+#ifdef USE_SSL
+      if(!share->sslsession) {
+        share->max_ssl_sessions = 8;
+        share->sslsession = calloc(share->max_ssl_sessions,
+                                   sizeof(struct curl_ssl_session));
+        share->sessionage = 0;
+        if(!share->sslsession)
+          res = CURLSHE_NOMEM;
+      }
+#else
+      res = CURLSHE_NOT_BUILT_IN;
+#endif
+      break;
+
+    case CURL_LOCK_DATA_CONNECT:     /* not supported (yet) */
+      if(Curl_conncache_init(&share->conn_cache, 103))
+        res = CURLSHE_NOMEM;
+      break;
+
+    case CURL_LOCK_DATA_PSL:
+#ifndef USE_LIBPSL
+      res = CURLSHE_NOT_BUILT_IN;
+#endif
+      break;
+
+    default:
+      res = CURLSHE_BAD_OPTION;
+    }
+    break;
+
+  case CURLSHOPT_UNSHARE:
+    /* this is a type this share will no longer share */
+    type = va_arg(param, int);
+    share->specifier &= ~(1<<type);
+    switch(type) {
+    case CURL_LOCK_DATA_DNS:
+      break;
+
+    case CURL_LOCK_DATA_COOKIE:
+#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
+      if(share->cookies) {
+        Curl_cookie_cleanup(share->cookies);
+        share->cookies = NULL;
+      }
+#else   /* CURL_DISABLE_HTTP */
+      res = CURLSHE_NOT_BUILT_IN;
+#endif
+      break;
+
+    case CURL_LOCK_DATA_SSL_SESSION:
+#ifdef USE_SSL
+      Curl_safefree(share->sslsession);
+#else
+      res = CURLSHE_NOT_BUILT_IN;
+#endif
+      break;
+
+    case CURL_LOCK_DATA_CONNECT:
+      break;
+
+    default:
+      res = CURLSHE_BAD_OPTION;
+      break;
+    }
+    break;
+
+  case CURLSHOPT_LOCKFUNC:
+    lockfunc = va_arg(param, curl_lock_function);
+    share->lockfunc = lockfunc;
+    break;
+
+  case CURLSHOPT_UNLOCKFUNC:
+    unlockfunc = va_arg(param, curl_unlock_function);
+    share->unlockfunc = unlockfunc;
+    break;
+
+  case CURLSHOPT_USERDATA:
+    ptr = va_arg(param, void *);
+    share->clientdata = ptr;
+    break;
+
+  default:
+    res = CURLSHE_BAD_OPTION;
+    break;
+  }
+
+  va_end(param);
+
+  return res;
+}
+
+CURLSHcode
+curl_share_cleanup(struct Curl_share *share)
+{
+  if(share == NULL)
+    return CURLSHE_INVALID;
+
+  if(share->lockfunc)
+    share->lockfunc(NULL, CURL_LOCK_DATA_SHARE, CURL_LOCK_ACCESS_SINGLE,
+                    share->clientdata);
+
+  if(share->dirty) {
+    if(share->unlockfunc)
+      share->unlockfunc(NULL, CURL_LOCK_DATA_SHARE, share->clientdata);
+    return CURLSHE_IN_USE;
+  }
+
+  Curl_conncache_close_all_connections(&share->conn_cache);
+  Curl_conncache_destroy(&share->conn_cache);
+  Curl_hash_destroy(&share->hostcache);
+
+#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
+  Curl_cookie_cleanup(share->cookies);
+#endif
+
+#ifdef USE_SSL
+  if(share->sslsession) {
+    size_t i;
+    for(i = 0; i < share->max_ssl_sessions; i++)
+      Curl_ssl_kill_session(&(share->sslsession[i]));
+    free(share->sslsession);
+  }
+#endif
+
+  Curl_psl_destroy(&share->psl);
+
+  if(share->unlockfunc)
+    share->unlockfunc(NULL, CURL_LOCK_DATA_SHARE, share->clientdata);
+  free(share);
+
+  return CURLSHE_OK;
+}
+
+
+CURLSHcode
+Curl_share_lock(struct Curl_easy *data, curl_lock_data type,
+                curl_lock_access accesstype)
+{
+  struct Curl_share *share = data->share;
+
+  if(share == NULL)
+    return CURLSHE_INVALID;
+
+  if(share->specifier & (1<<type)) {
+    if(share->lockfunc) /* only call this if set! */
+      share->lockfunc(data, type, accesstype, share->clientdata);
+  }
+  /* else if we don't share this, pretend successful lock */
+
+  return CURLSHE_OK;
+}
+
+CURLSHcode
+Curl_share_unlock(struct Curl_easy *data, curl_lock_data type)
+{
+  struct Curl_share *share = data->share;
+
+  if(share == NULL)
+    return CURLSHE_INVALID;
+
+  if(share->specifier & (1<<type)) {
+    if(share->unlockfunc) /* only call this if set! */
+      share->unlockfunc (data, type, share->clientdata);
+  }
+
+  return CURLSHE_OK;
+}
Index: trunk/src/libs/curl-7.64.0/lib/share.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/share.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/share.h	(revision 85671)
@@ -0,0 +1,66 @@
+#ifndef HEADER_CURL_SHARE_H
+#define HEADER_CURL_SHARE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+#include <curl/curl.h>
+#include "cookie.h"
+#include "psl.h"
+#include "urldata.h"
+#include "conncache.h"
+
+/* SalfordC says "A structure member may not be volatile". Hence:
+ */
+#ifdef __SALFORDC__
+#define CURL_VOLATILE
+#else
+#define CURL_VOLATILE volatile
+#endif
+
+/* this struct is libcurl-private, don't export details */
+struct Curl_share {
+  unsigned int specifier;
+  CURL_VOLATILE unsigned int dirty;
+
+  curl_lock_function lockfunc;
+  curl_unlock_function unlockfunc;
+  void *clientdata;
+  struct conncache conn_cache;
+  struct curl_hash hostcache;
+#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
+  struct CookieInfo *cookies;
+#endif
+#ifdef USE_LIBPSL
+  struct PslCache psl;
+#endif
+
+  struct curl_ssl_session *sslsession;
+  size_t max_ssl_sessions;
+  long sessionage;
+};
+
+CURLSHcode Curl_share_lock(struct Curl_easy *, curl_lock_data,
+                           curl_lock_access);
+CURLSHcode Curl_share_unlock(struct Curl_easy *, curl_lock_data);
+
+#endif /* HEADER_CURL_SHARE_H */
Index: trunk/src/libs/curl-7.64.0/lib/sigpipe.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/sigpipe.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/sigpipe.h	(revision 85671)
@@ -0,0 +1,79 @@
+#ifndef HEADER_CURL_SIGPIPE_H
+#define HEADER_CURL_SIGPIPE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#if defined(HAVE_SIGNAL_H) && defined(HAVE_SIGACTION) &&        \
+  (defined(USE_OPENSSL) || defined(USE_MBEDTLS))
+#include <signal.h>
+
+struct sigpipe_ignore {
+  struct sigaction old_pipe_act;
+  bool no_signal;
+};
+
+#define SIGPIPE_VARIABLE(x) struct sigpipe_ignore x
+
+/*
+ * sigpipe_ignore() makes sure we ignore SIGPIPE while running libcurl
+ * internals, and then sigpipe_restore() will restore the situation when we
+ * return from libcurl again.
+ */
+static void sigpipe_ignore(struct Curl_easy *data,
+                           struct sigpipe_ignore *ig)
+{
+  /* get a local copy of no_signal because the Curl_easy might not be
+     around when we restore */
+  ig->no_signal = data->set.no_signal;
+  if(!data->set.no_signal) {
+    struct sigaction action;
+    /* first, extract the existing situation */
+    memset(&ig->old_pipe_act, 0, sizeof(struct sigaction));
+    sigaction(SIGPIPE, NULL, &ig->old_pipe_act);
+    action = ig->old_pipe_act;
+    /* ignore this signal */
+    action.sa_handler = SIG_IGN;
+    sigaction(SIGPIPE, &action, NULL);
+  }
+}
+
+/*
+ * sigpipe_restore() puts back the outside world's opinion of signal handler
+ * and SIGPIPE handling. It MUST only be called after a corresponding
+ * sigpipe_ignore() was used.
+ */
+static void sigpipe_restore(struct sigpipe_ignore *ig)
+{
+  if(!ig->no_signal)
+    /* restore the outside state */
+    sigaction(SIGPIPE, &ig->old_pipe_act, NULL);
+}
+
+#else
+/* for systems without sigaction */
+#define sigpipe_ignore(x,y) Curl_nop_stmt
+#define sigpipe_restore(x)  Curl_nop_stmt
+#define SIGPIPE_VARIABLE(x)
+#endif
+
+#endif /* HEADER_CURL_SIGPIPE_H */
Index: trunk/src/libs/curl-7.64.0/lib/slist.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/slist.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/slist.c	(revision 85671)
@@ -0,0 +1,144 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#include "slist.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* returns last node in linked list */
+static struct curl_slist *slist_get_last(struct curl_slist *list)
+{
+  struct curl_slist     *item;
+
+  /* if caller passed us a NULL, return now */
+  if(!list)
+    return NULL;
+
+  /* loop through to find the last item */
+  item = list;
+  while(item->next) {
+    item = item->next;
+  }
+  return item;
+}
+
+/*
+ * Curl_slist_append_nodup() appends a string to the linked list. Rather than
+ * copying the string in dynamic storage, it takes its ownership. The string
+ * should have been malloc()ated. Curl_slist_append_nodup always returns
+ * the address of the first record, so that you can use this function as an
+ * initialization function as well as an append function.
+ * If an error occurs, NULL is returned and the string argument is NOT
+ * released.
+ */
+struct curl_slist *Curl_slist_append_nodup(struct curl_slist *list, char *data)
+{
+  struct curl_slist     *last;
+  struct curl_slist     *new_item;
+
+  DEBUGASSERT(data);
+
+  new_item = malloc(sizeof(struct curl_slist));
+  if(!new_item)
+    return NULL;
+
+  new_item->next = NULL;
+  new_item->data = data;
+
+  /* if this is the first item, then new_item *is* the list */
+  if(!list)
+    return new_item;
+
+  last = slist_get_last(list);
+  last->next = new_item;
+  return list;
+}
+
+/*
+ * curl_slist_append() appends a string to the linked list. It always returns
+ * the address of the first record, so that you can use this function as an
+ * initialization function as well as an append function. If you find this
+ * bothersome, then simply create a separate _init function and call it
+ * appropriately from within the program.
+ */
+struct curl_slist *curl_slist_append(struct curl_slist *list,
+                                     const char *data)
+{
+  char *dupdata = strdup(data);
+
+  if(!dupdata)
+    return NULL;
+
+  list = Curl_slist_append_nodup(list, dupdata);
+  if(!list)
+    free(dupdata);
+
+  return list;
+}
+
+/*
+ * Curl_slist_duplicate() duplicates a linked list. It always returns the
+ * address of the first record of the cloned list or NULL in case of an
+ * error (or if the input list was NULL).
+ */
+struct curl_slist *Curl_slist_duplicate(struct curl_slist *inlist)
+{
+  struct curl_slist *outlist = NULL;
+  struct curl_slist *tmp;
+
+  while(inlist) {
+    tmp = curl_slist_append(outlist, inlist->data);
+
+    if(!tmp) {
+      curl_slist_free_all(outlist);
+      return NULL;
+    }
+
+    outlist = tmp;
+    inlist = inlist->next;
+  }
+  return outlist;
+}
+
+/* be nice and clean up resources */
+void curl_slist_free_all(struct curl_slist *list)
+{
+  struct curl_slist     *next;
+  struct curl_slist     *item;
+
+  if(!list)
+    return;
+
+  item = list;
+  do {
+    next = item->next;
+    Curl_safefree(item->data);
+    free(item);
+    item = next;
+  } while(next);
+}
Index: trunk/src/libs/curl-7.64.0/lib/slist.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/slist.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/slist.h	(revision 85671)
@@ -0,0 +1,39 @@
+#ifndef HEADER_CURL_SLIST_H
+#define HEADER_CURL_SLIST_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Curl_slist_duplicate() duplicates a linked list. It always returns the
+ * address of the first record of the cloned list or NULL in case of an
+ * error (or if the input list was NULL).
+ */
+struct curl_slist *Curl_slist_duplicate(struct curl_slist *inlist);
+
+/*
+ * Curl_slist_append_nodup() takes ownership of the given string and appends
+ * it to the list.
+ */
+struct curl_slist *Curl_slist_append_nodup(struct curl_slist *list,
+                                           char *data);
+
+#endif /* HEADER_CURL_SLIST_H */
Index: trunk/src/libs/curl-7.64.0/lib/smb.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/smb.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/smb.c	(revision 85671)
@@ -0,0 +1,1002 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2014, Bill Nagel <wnagel@tycoint.com>, Exacq Technologies
+ * Copyright (C) 2016-2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if !defined(CURL_DISABLE_SMB) && defined(USE_NTLM) &&  \
+  (CURL_SIZEOF_CURL_OFF_T > 4)
+
+#if !defined(USE_WINDOWS_SSPI) || defined(USE_WIN32_CRYPTO)
+
+#define BUILDING_CURL_SMB_C
+
+#ifdef HAVE_PROCESS_H
+#include <process.h>
+#ifdef CURL_WINDOWS_APP
+#define getpid GetCurrentProcessId
+#elif !defined(MSDOS)
+#define getpid _getpid
+#endif
+#endif
+
+#include "smb.h"
+#include "urldata.h"
+#include "sendf.h"
+#include "multiif.h"
+#include "connect.h"
+#include "progress.h"
+#include "transfer.h"
+#include "vtls/vtls.h"
+#include "curl_ntlm_core.h"
+#include "escape.h"
+#include "curl_endian.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* Local API functions */
+static CURLcode smb_setup_connection(struct connectdata *conn);
+static CURLcode smb_connect(struct connectdata *conn, bool *done);
+static CURLcode smb_connection_state(struct connectdata *conn, bool *done);
+static CURLcode smb_do(struct connectdata *conn, bool *done);
+static CURLcode smb_request_state(struct connectdata *conn, bool *done);
+static CURLcode smb_done(struct connectdata *conn, CURLcode status,
+                         bool premature);
+static CURLcode smb_disconnect(struct connectdata *conn, bool dead);
+static int smb_getsock(struct connectdata *conn, curl_socket_t *socks,
+                       int numsocks);
+static CURLcode smb_parse_url_path(struct connectdata *conn);
+
+/*
+ * SMB handler interface
+ */
+const struct Curl_handler Curl_handler_smb = {
+  "SMB",                                /* scheme */
+  smb_setup_connection,                 /* setup_connection */
+  smb_do,                               /* do_it */
+  smb_done,                             /* done */
+  ZERO_NULL,                            /* do_more */
+  smb_connect,                          /* connect_it */
+  smb_connection_state,                 /* connecting */
+  smb_request_state,                    /* doing */
+  smb_getsock,                          /* proto_getsock */
+  smb_getsock,                          /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  smb_disconnect,                       /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_SMB,                             /* defport */
+  CURLPROTO_SMB,                        /* protocol */
+  PROTOPT_NONE                          /* flags */
+};
+
+#ifdef USE_SSL
+/*
+ * SMBS handler interface
+ */
+const struct Curl_handler Curl_handler_smbs = {
+  "SMBS",                               /* scheme */
+  smb_setup_connection,                 /* setup_connection */
+  smb_do,                               /* do_it */
+  smb_done,                             /* done */
+  ZERO_NULL,                            /* do_more */
+  smb_connect,                          /* connect_it */
+  smb_connection_state,                 /* connecting */
+  smb_request_state,                    /* doing */
+  smb_getsock,                          /* proto_getsock */
+  smb_getsock,                          /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  smb_disconnect,                       /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_SMBS,                            /* defport */
+  CURLPROTO_SMBS,                       /* protocol */
+  PROTOPT_SSL                           /* flags */
+};
+#endif
+
+#define MAX_PAYLOAD_SIZE  0x8000
+#define MAX_MESSAGE_SIZE  (MAX_PAYLOAD_SIZE + 0x1000)
+#define CLIENTNAME        "curl"
+#define SERVICENAME       "?????"
+
+/* Append a string to an SMB message */
+#define MSGCAT(str)                             \
+  strcpy(p, (str));                             \
+  p += strlen(str);
+
+/* Append a null-terminated string to an SMB message */
+#define MSGCATNULL(str)                         \
+  strcpy(p, (str));                             \
+  p += strlen(str) + 1;
+
+/* SMB is mostly little endian */
+#if (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) || \
+  defined(__OS400__)
+static unsigned short smb_swap16(unsigned short x)
+{
+  return (unsigned short) ((x << 8) | ((x >> 8) & 0xff));
+}
+
+static unsigned int smb_swap32(unsigned int x)
+{
+  return (x << 24) | ((x << 8) & 0xff0000) | ((x >> 8) & 0xff00) |
+    ((x >> 24) & 0xff);
+}
+
+static curl_off_t smb_swap64(curl_off_t x)
+{
+  return ((curl_off_t) smb_swap32((unsigned int) x) << 32) |
+    smb_swap32((unsigned int) (x >> 32));
+}
+
+#else
+#  define smb_swap16(x) (x)
+#  define smb_swap32(x) (x)
+#  define smb_swap64(x) (x)
+#endif
+
+/* SMB request state */
+enum smb_req_state {
+  SMB_REQUESTING,
+  SMB_TREE_CONNECT,
+  SMB_OPEN,
+  SMB_DOWNLOAD,
+  SMB_UPLOAD,
+  SMB_CLOSE,
+  SMB_TREE_DISCONNECT,
+  SMB_DONE
+};
+
+/* SMB request data */
+struct smb_request {
+  enum smb_req_state state;
+  char *path;
+  unsigned short tid; /* Even if we connect to the same tree as another */
+  unsigned short fid; /* request, the tid will be different */
+  CURLcode result;
+};
+
+static void conn_state(struct connectdata *conn, enum smb_conn_state newstate)
+{
+  struct smb_conn *smbc = &conn->proto.smbc;
+#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
+  /* For debug purposes */
+  static const char * const names[] = {
+    "SMB_NOT_CONNECTED",
+    "SMB_CONNECTING",
+    "SMB_NEGOTIATE",
+    "SMB_SETUP",
+    "SMB_CONNECTED",
+    /* LAST */
+  };
+
+  if(smbc->state != newstate)
+    infof(conn->data, "SMB conn %p state change from %s to %s\n",
+          (void *)smbc, names[smbc->state], names[newstate]);
+#endif
+
+  smbc->state = newstate;
+}
+
+static void request_state(struct connectdata *conn,
+                          enum smb_req_state newstate)
+{
+  struct smb_request *req = conn->data->req.protop;
+#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
+  /* For debug purposes */
+  static const char * const names[] = {
+    "SMB_REQUESTING",
+    "SMB_TREE_CONNECT",
+    "SMB_OPEN",
+    "SMB_DOWNLOAD",
+    "SMB_UPLOAD",
+    "SMB_CLOSE",
+    "SMB_TREE_DISCONNECT",
+    "SMB_DONE",
+    /* LAST */
+  };
+
+  if(req->state != newstate)
+    infof(conn->data, "SMB request %p state change from %s to %s\n",
+          (void *)req, names[req->state], names[newstate]);
+#endif
+
+  req->state = newstate;
+}
+
+/* this should setup things in the connection, not in the easy
+   handle */
+static CURLcode smb_setup_connection(struct connectdata *conn)
+{
+  struct smb_request *req;
+
+  /* Initialize the request state */
+  conn->data->req.protop = req = calloc(1, sizeof(struct smb_request));
+  if(!req)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Parse the URL path */
+  return smb_parse_url_path(conn);
+}
+
+static CURLcode smb_connect(struct connectdata *conn, bool *done)
+{
+  struct smb_conn *smbc = &conn->proto.smbc;
+  char *slash;
+
+  (void) done;
+
+  /* Check we have a username and password to authenticate with */
+  if(!conn->bits.user_passwd)
+    return CURLE_LOGIN_DENIED;
+
+  /* Initialize the connection state */
+  smbc->state = SMB_CONNECTING;
+  smbc->recv_buf = malloc(MAX_MESSAGE_SIZE);
+  if(!smbc->recv_buf)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Multiple requests are allowed with this connection */
+  connkeep(conn, "SMB default");
+
+  /* Parse the username, domain, and password */
+  slash = strchr(conn->user, '/');
+  if(!slash)
+    slash = strchr(conn->user, '\\');
+
+  if(slash) {
+    smbc->user = slash + 1;
+    smbc->domain = strdup(conn->user);
+    if(!smbc->domain)
+      return CURLE_OUT_OF_MEMORY;
+    smbc->domain[slash - conn->user] = 0;
+  }
+  else {
+    smbc->user = conn->user;
+    smbc->domain = strdup(conn->host.name);
+    if(!smbc->domain)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  return CURLE_OK;
+}
+
+static CURLcode smb_recv_message(struct connectdata *conn, void **msg)
+{
+  struct smb_conn *smbc = &conn->proto.smbc;
+  char *buf = smbc->recv_buf;
+  ssize_t bytes_read;
+  size_t nbt_size;
+  size_t msg_size;
+  size_t len = MAX_MESSAGE_SIZE - smbc->got;
+  CURLcode result;
+
+  result = Curl_read(conn, FIRSTSOCKET, buf + smbc->got, len, &bytes_read);
+  if(result)
+    return result;
+
+  if(!bytes_read)
+    return CURLE_OK;
+
+  smbc->got += bytes_read;
+
+  /* Check for a 32-bit nbt header */
+  if(smbc->got < sizeof(unsigned int))
+    return CURLE_OK;
+
+  nbt_size = Curl_read16_be((const unsigned char *)
+                            (buf + sizeof(unsigned short))) +
+    sizeof(unsigned int);
+  if(smbc->got < nbt_size)
+    return CURLE_OK;
+
+  msg_size = sizeof(struct smb_header);
+  if(nbt_size >= msg_size + 1) {
+    /* Add the word count */
+    msg_size += 1 + ((unsigned char) buf[msg_size]) * sizeof(unsigned short);
+    if(nbt_size >= msg_size + sizeof(unsigned short)) {
+      /* Add the byte count */
+      msg_size += sizeof(unsigned short) +
+        Curl_read16_le((const unsigned char *)&buf[msg_size]);
+      if(nbt_size < msg_size)
+        return CURLE_READ_ERROR;
+    }
+  }
+
+  *msg = buf;
+
+  return CURLE_OK;
+}
+
+static void smb_pop_message(struct connectdata *conn)
+{
+  struct smb_conn *smbc = &conn->proto.smbc;
+
+  smbc->got = 0;
+}
+
+static void smb_format_message(struct connectdata *conn, struct smb_header *h,
+                               unsigned char cmd, size_t len)
+{
+  struct smb_conn *smbc = &conn->proto.smbc;
+  struct smb_request *req = conn->data->req.protop;
+  unsigned int pid;
+
+  memset(h, 0, sizeof(*h));
+  h->nbt_length = htons((unsigned short) (sizeof(*h) - sizeof(unsigned int) +
+                                          len));
+  memcpy((char *)h->magic, "\xffSMB", 4);
+  h->command = cmd;
+  h->flags = SMB_FLAGS_CANONICAL_PATHNAMES | SMB_FLAGS_CASELESS_PATHNAMES;
+  h->flags2 = smb_swap16(SMB_FLAGS2_IS_LONG_NAME | SMB_FLAGS2_KNOWS_LONG_NAME);
+  h->uid = smb_swap16(smbc->uid);
+  h->tid = smb_swap16(req->tid);
+  pid = getpid();
+  h->pid_high = smb_swap16((unsigned short)(pid >> 16));
+  h->pid = smb_swap16((unsigned short) pid);
+}
+
+static CURLcode smb_send(struct connectdata *conn, ssize_t len,
+                         size_t upload_size)
+{
+  struct smb_conn *smbc = &conn->proto.smbc;
+  ssize_t bytes_written;
+  CURLcode result;
+
+  result = Curl_write(conn, FIRSTSOCKET, conn->data->state.ulbuf,
+                      len, &bytes_written);
+  if(result)
+    return result;
+
+  if(bytes_written != len) {
+    smbc->send_size = len;
+    smbc->sent = bytes_written;
+  }
+
+  smbc->upload_size = upload_size;
+
+  return CURLE_OK;
+}
+
+static CURLcode smb_flush(struct connectdata *conn)
+{
+  struct smb_conn *smbc = &conn->proto.smbc;
+  ssize_t bytes_written;
+  ssize_t len = smbc->send_size - smbc->sent;
+  CURLcode result;
+
+  if(!smbc->send_size)
+    return CURLE_OK;
+
+  result = Curl_write(conn, FIRSTSOCKET,
+                      conn->data->state.ulbuf + smbc->sent,
+                      len, &bytes_written);
+  if(result)
+    return result;
+
+  if(bytes_written != len)
+    smbc->sent += bytes_written;
+  else
+    smbc->send_size = 0;
+
+  return CURLE_OK;
+}
+
+static CURLcode smb_send_message(struct connectdata *conn, unsigned char cmd,
+                                 const void *msg, size_t msg_len)
+{
+  CURLcode result = Curl_get_upload_buffer(conn->data);
+  if(result)
+    return result;
+  smb_format_message(conn, (struct smb_header *)conn->data->state.ulbuf,
+                     cmd, msg_len);
+  memcpy(conn->data->state.ulbuf + sizeof(struct smb_header),
+         msg, msg_len);
+
+  return smb_send(conn, sizeof(struct smb_header) + msg_len, 0);
+}
+
+static CURLcode smb_send_negotiate(struct connectdata *conn)
+{
+  const char *msg = "\x00\x0c\x00\x02NT LM 0.12";
+
+  return smb_send_message(conn, SMB_COM_NEGOTIATE, msg, 15);
+}
+
+static CURLcode smb_send_setup(struct connectdata *conn)
+{
+  struct smb_conn *smbc = &conn->proto.smbc;
+  struct smb_setup msg;
+  char *p = msg.bytes;
+  unsigned char lm_hash[21];
+  unsigned char lm[24];
+  unsigned char nt_hash[21];
+  unsigned char nt[24];
+
+  size_t byte_count = sizeof(lm) + sizeof(nt);
+  byte_count += strlen(smbc->user) + strlen(smbc->domain);
+  byte_count += strlen(OS) + strlen(CLIENTNAME) + 4; /* 4 null chars */
+  if(byte_count > sizeof(msg.bytes))
+    return CURLE_FILESIZE_EXCEEDED;
+
+  Curl_ntlm_core_mk_lm_hash(conn->data, conn->passwd, lm_hash);
+  Curl_ntlm_core_lm_resp(lm_hash, smbc->challenge, lm);
+#ifdef USE_NTRESPONSES
+  Curl_ntlm_core_mk_nt_hash(conn->data, conn->passwd, nt_hash);
+  Curl_ntlm_core_lm_resp(nt_hash, smbc->challenge, nt);
+#else
+  memset(nt, 0, sizeof(nt));
+#endif
+
+  memset(&msg, 0, sizeof(msg));
+  msg.word_count = SMB_WC_SETUP_ANDX;
+  msg.andx.command = SMB_COM_NO_ANDX_COMMAND;
+  msg.max_buffer_size = smb_swap16(MAX_MESSAGE_SIZE);
+  msg.max_mpx_count = smb_swap16(1);
+  msg.vc_number = smb_swap16(1);
+  msg.session_key = smb_swap32(smbc->session_key);
+  msg.capabilities = smb_swap32(SMB_CAP_LARGE_FILES);
+  msg.lengths[0] = smb_swap16(sizeof(lm));
+  msg.lengths[1] = smb_swap16(sizeof(nt));
+  memcpy(p, lm, sizeof(lm));
+  p += sizeof(lm);
+  memcpy(p, nt, sizeof(nt));
+  p += sizeof(nt);
+  MSGCATNULL(smbc->user);
+  MSGCATNULL(smbc->domain);
+  MSGCATNULL(OS);
+  MSGCATNULL(CLIENTNAME);
+  byte_count = p - msg.bytes;
+  msg.byte_count = smb_swap16((unsigned short)byte_count);
+
+  return smb_send_message(conn, SMB_COM_SETUP_ANDX, &msg,
+                          sizeof(msg) - sizeof(msg.bytes) + byte_count);
+}
+
+static CURLcode smb_send_tree_connect(struct connectdata *conn)
+{
+  struct smb_tree_connect msg;
+  struct smb_conn *smbc = &conn->proto.smbc;
+  char *p = msg.bytes;
+
+  size_t byte_count = strlen(conn->host.name) + strlen(smbc->share);
+  byte_count += strlen(SERVICENAME) + 5; /* 2 nulls and 3 backslashes */
+  if(byte_count > sizeof(msg.bytes))
+    return CURLE_FILESIZE_EXCEEDED;
+
+  memset(&msg, 0, sizeof(msg));
+  msg.word_count = SMB_WC_TREE_CONNECT_ANDX;
+  msg.andx.command = SMB_COM_NO_ANDX_COMMAND;
+  msg.pw_len = 0;
+  MSGCAT("\\\\");
+  MSGCAT(conn->host.name);
+  MSGCAT("\\");
+  MSGCATNULL(smbc->share);
+  MSGCATNULL(SERVICENAME); /* Match any type of service */
+  byte_count = p - msg.bytes;
+  msg.byte_count = smb_swap16((unsigned short)byte_count);
+
+  return smb_send_message(conn, SMB_COM_TREE_CONNECT_ANDX, &msg,
+                          sizeof(msg) - sizeof(msg.bytes) + byte_count);
+}
+
+static CURLcode smb_send_open(struct connectdata *conn)
+{
+  struct smb_request *req = conn->data->req.protop;
+  struct smb_nt_create msg;
+  size_t byte_count;
+
+  if((strlen(req->path) + 1) > sizeof(msg.bytes))
+    return CURLE_FILESIZE_EXCEEDED;
+
+  memset(&msg, 0, sizeof(msg));
+  msg.word_count = SMB_WC_NT_CREATE_ANDX;
+  msg.andx.command = SMB_COM_NO_ANDX_COMMAND;
+  byte_count = strlen(req->path);
+  msg.name_length = smb_swap16((unsigned short)byte_count);
+  msg.share_access = smb_swap32(SMB_FILE_SHARE_ALL);
+  if(conn->data->set.upload) {
+    msg.access = smb_swap32(SMB_GENERIC_READ | SMB_GENERIC_WRITE);
+    msg.create_disposition = smb_swap32(SMB_FILE_OVERWRITE_IF);
+  }
+  else {
+    msg.access = smb_swap32(SMB_GENERIC_READ);
+    msg.create_disposition = smb_swap32(SMB_FILE_OPEN);
+  }
+  msg.byte_count = smb_swap16((unsigned short) ++byte_count);
+  strcpy(msg.bytes, req->path);
+
+  return smb_send_message(conn, SMB_COM_NT_CREATE_ANDX, &msg,
+                          sizeof(msg) - sizeof(msg.bytes) + byte_count);
+}
+
+static CURLcode smb_send_close(struct connectdata *conn)
+{
+  struct smb_request *req = conn->data->req.protop;
+  struct smb_close msg;
+
+  memset(&msg, 0, sizeof(msg));
+  msg.word_count = SMB_WC_CLOSE;
+  msg.fid = smb_swap16(req->fid);
+
+  return smb_send_message(conn, SMB_COM_CLOSE, &msg, sizeof(msg));
+}
+
+static CURLcode smb_send_tree_disconnect(struct connectdata *conn)
+{
+  struct smb_tree_disconnect msg;
+
+  memset(&msg, 0, sizeof(msg));
+
+  return smb_send_message(conn, SMB_COM_TREE_DISCONNECT, &msg, sizeof(msg));
+}
+
+static CURLcode smb_send_read(struct connectdata *conn)
+{
+  struct smb_request *req = conn->data->req.protop;
+  curl_off_t offset = conn->data->req.offset;
+  struct smb_read msg;
+
+  memset(&msg, 0, sizeof(msg));
+  msg.word_count = SMB_WC_READ_ANDX;
+  msg.andx.command = SMB_COM_NO_ANDX_COMMAND;
+  msg.fid = smb_swap16(req->fid);
+  msg.offset = smb_swap32((unsigned int) offset);
+  msg.offset_high = smb_swap32((unsigned int) (offset >> 32));
+  msg.min_bytes = smb_swap16(MAX_PAYLOAD_SIZE);
+  msg.max_bytes = smb_swap16(MAX_PAYLOAD_SIZE);
+
+  return smb_send_message(conn, SMB_COM_READ_ANDX, &msg, sizeof(msg));
+}
+
+static CURLcode smb_send_write(struct connectdata *conn)
+{
+  struct smb_write *msg;
+  struct smb_request *req = conn->data->req.protop;
+  curl_off_t offset = conn->data->req.offset;
+  curl_off_t upload_size = conn->data->req.size - conn->data->req.bytecount;
+  CURLcode result = Curl_get_upload_buffer(conn->data);
+  if(result)
+    return result;
+  msg = (struct smb_write *)conn->data->state.ulbuf;
+
+  if(upload_size >= MAX_PAYLOAD_SIZE - 1) /* There is one byte of padding */
+    upload_size = MAX_PAYLOAD_SIZE - 1;
+
+  memset(msg, 0, sizeof(*msg));
+  msg->word_count = SMB_WC_WRITE_ANDX;
+  msg->andx.command = SMB_COM_NO_ANDX_COMMAND;
+  msg->fid = smb_swap16(req->fid);
+  msg->offset = smb_swap32((unsigned int) offset);
+  msg->offset_high = smb_swap32((unsigned int) (offset >> 32));
+  msg->data_length = smb_swap16((unsigned short) upload_size);
+  msg->data_offset = smb_swap16(sizeof(*msg) - sizeof(unsigned int));
+  msg->byte_count = smb_swap16((unsigned short) (upload_size + 1));
+
+  smb_format_message(conn, &msg->h, SMB_COM_WRITE_ANDX,
+                     sizeof(*msg) - sizeof(msg->h) + (size_t) upload_size);
+
+  return smb_send(conn, sizeof(*msg), (size_t) upload_size);
+}
+
+static CURLcode smb_send_and_recv(struct connectdata *conn, void **msg)
+{
+  struct smb_conn *smbc = &conn->proto.smbc;
+  CURLcode result;
+
+  /* Check if there is data in the transfer buffer */
+  if(!smbc->send_size && smbc->upload_size) {
+    size_t nread = smbc->upload_size > conn->data->set.upload_buffer_size ?
+      conn->data->set.upload_buffer_size :
+      smbc->upload_size;
+    conn->data->req.upload_fromhere = conn->data->state.ulbuf;
+    result = Curl_fillreadbuffer(conn, nread, &nread);
+    if(result && result != CURLE_AGAIN)
+      return result;
+    if(!nread)
+      return CURLE_OK;
+
+    smbc->upload_size -= nread;
+    smbc->send_size = nread;
+    smbc->sent = 0;
+  }
+
+  /* Check if there is data to send */
+  if(smbc->send_size) {
+    result = smb_flush(conn);
+    if(result)
+      return result;
+  }
+
+  /* Check if there is still data to be sent */
+  if(smbc->send_size || smbc->upload_size)
+    return CURLE_AGAIN;
+
+  return smb_recv_message(conn, msg);
+}
+
+static CURLcode smb_connection_state(struct connectdata *conn, bool *done)
+{
+  struct smb_conn *smbc = &conn->proto.smbc;
+  struct smb_negotiate_response *nrsp;
+  struct smb_header *h;
+  CURLcode result;
+  void *msg = NULL;
+
+  if(smbc->state == SMB_CONNECTING) {
+#ifdef USE_SSL
+    if((conn->handler->flags & PROTOPT_SSL)) {
+      bool ssl_done = FALSE;
+      result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, &ssl_done);
+      if(result && result != CURLE_AGAIN)
+        return result;
+      if(!ssl_done)
+        return CURLE_OK;
+    }
+#endif
+
+    result = smb_send_negotiate(conn);
+    if(result) {
+      connclose(conn, "SMB: failed to send negotiate message");
+      return result;
+    }
+
+    conn_state(conn, SMB_NEGOTIATE);
+  }
+
+  /* Send the previous message and check for a response */
+  result = smb_send_and_recv(conn, &msg);
+  if(result && result != CURLE_AGAIN) {
+    connclose(conn, "SMB: failed to communicate");
+    return result;
+  }
+
+  if(!msg)
+    return CURLE_OK;
+
+  h = msg;
+
+  switch(smbc->state) {
+  case SMB_NEGOTIATE:
+    if(h->status || smbc->got < sizeof(*nrsp) + sizeof(smbc->challenge) - 1) {
+      connclose(conn, "SMB: negotiation failed");
+      return CURLE_COULDNT_CONNECT;
+    }
+    nrsp = msg;
+    memcpy(smbc->challenge, nrsp->bytes, sizeof(smbc->challenge));
+    smbc->session_key = smb_swap32(nrsp->session_key);
+    result = smb_send_setup(conn);
+    if(result) {
+      connclose(conn, "SMB: failed to send setup message");
+      return result;
+    }
+    conn_state(conn, SMB_SETUP);
+    break;
+
+  case SMB_SETUP:
+    if(h->status) {
+      connclose(conn, "SMB: authentication failed");
+      return CURLE_LOGIN_DENIED;
+    }
+    smbc->uid = smb_swap16(h->uid);
+    conn_state(conn, SMB_CONNECTED);
+    *done = true;
+    break;
+
+  default:
+    smb_pop_message(conn);
+    return CURLE_OK; /* ignore */
+  }
+
+  smb_pop_message(conn);
+
+  return CURLE_OK;
+}
+
+/*
+ * Convert a timestamp from the Windows world (100 nsec units from 1 Jan 1601)
+ * to Posix time. Cap the output to fit within a time_t.
+ */
+static void get_posix_time(time_t *out, curl_off_t timestamp)
+{
+  timestamp -= 116444736000000000;
+  timestamp /= 10000000;
+#if SIZEOF_TIME_T < SIZEOF_CURL_OFF_T
+  if(timestamp > TIME_T_MAX)
+    *out = TIME_T_MAX;
+  else if(timestamp < TIME_T_MIN)
+    *out = TIME_T_MIN;
+  else
+#endif
+    *out = (time_t) timestamp;
+}
+
+static CURLcode smb_request_state(struct connectdata *conn, bool *done)
+{
+  struct smb_request *req = conn->data->req.protop;
+  struct smb_header *h;
+  struct smb_conn *smbc = &conn->proto.smbc;
+  enum smb_req_state next_state = SMB_DONE;
+  unsigned short len;
+  unsigned short off;
+  CURLcode result;
+  void *msg = NULL;
+  const struct smb_nt_create_response *smb_m;
+
+  /* Start the request */
+  if(req->state == SMB_REQUESTING) {
+    result = smb_send_tree_connect(conn);
+    if(result) {
+      connclose(conn, "SMB: failed to send tree connect message");
+      return result;
+    }
+
+    request_state(conn, SMB_TREE_CONNECT);
+  }
+
+  /* Send the previous message and check for a response */
+  result = smb_send_and_recv(conn, &msg);
+  if(result && result != CURLE_AGAIN) {
+    connclose(conn, "SMB: failed to communicate");
+    return result;
+  }
+
+  if(!msg)
+    return CURLE_OK;
+
+  h = msg;
+
+  switch(req->state) {
+  case SMB_TREE_CONNECT:
+    if(h->status) {
+      req->result = CURLE_REMOTE_FILE_NOT_FOUND;
+      if(h->status == smb_swap32(SMB_ERR_NOACCESS))
+        req->result = CURLE_REMOTE_ACCESS_DENIED;
+      break;
+    }
+    req->tid = smb_swap16(h->tid);
+    next_state = SMB_OPEN;
+    break;
+
+  case SMB_OPEN:
+    if(h->status || smbc->got < sizeof(struct smb_nt_create_response)) {
+      req->result = CURLE_REMOTE_FILE_NOT_FOUND;
+      next_state = SMB_TREE_DISCONNECT;
+      break;
+    }
+    smb_m = (const struct smb_nt_create_response*) msg;
+    req->fid = smb_swap16(smb_m->fid);
+    conn->data->req.offset = 0;
+    if(conn->data->set.upload) {
+      conn->data->req.size = conn->data->state.infilesize;
+      Curl_pgrsSetUploadSize(conn->data, conn->data->req.size);
+      next_state = SMB_UPLOAD;
+    }
+    else {
+      smb_m = (const struct smb_nt_create_response*) msg;
+      conn->data->req.size = smb_swap64(smb_m->end_of_file);
+      if(conn->data->req.size < 0) {
+        req->result = CURLE_WEIRD_SERVER_REPLY;
+        next_state = SMB_CLOSE;
+      }
+      else {
+        Curl_pgrsSetDownloadSize(conn->data, conn->data->req.size);
+        if(conn->data->set.get_filetime)
+          get_posix_time(&conn->data->info.filetime, smb_m->last_change_time);
+        next_state = SMB_DOWNLOAD;
+      }
+    }
+    break;
+
+  case SMB_DOWNLOAD:
+    if(h->status || smbc->got < sizeof(struct smb_header) + 14) {
+      req->result = CURLE_RECV_ERROR;
+      next_state = SMB_CLOSE;
+      break;
+    }
+    len = Curl_read16_le(((const unsigned char *) msg) +
+                         sizeof(struct smb_header) + 11);
+    off = Curl_read16_le(((const unsigned char *) msg) +
+                         sizeof(struct smb_header) + 13);
+    if(len > 0) {
+      if(off + sizeof(unsigned int) + len > smbc->got) {
+        failf(conn->data, "Invalid input packet");
+        result = CURLE_RECV_ERROR;
+      }
+      else
+        result = Curl_client_write(conn, CLIENTWRITE_BODY,
+                                   (char *)msg + off + sizeof(unsigned int),
+                                   len);
+      if(result) {
+        req->result = result;
+        next_state = SMB_CLOSE;
+        break;
+      }
+    }
+    conn->data->req.bytecount += len;
+    conn->data->req.offset += len;
+    Curl_pgrsSetDownloadCounter(conn->data, conn->data->req.bytecount);
+    next_state = (len < MAX_PAYLOAD_SIZE) ? SMB_CLOSE : SMB_DOWNLOAD;
+    break;
+
+  case SMB_UPLOAD:
+    if(h->status || smbc->got < sizeof(struct smb_header) + 6) {
+      req->result = CURLE_UPLOAD_FAILED;
+      next_state = SMB_CLOSE;
+      break;
+    }
+    len = Curl_read16_le(((const unsigned char *) msg) +
+                         sizeof(struct smb_header) + 5);
+    conn->data->req.bytecount += len;
+    conn->data->req.offset += len;
+    Curl_pgrsSetUploadCounter(conn->data, conn->data->req.bytecount);
+    if(conn->data->req.bytecount >= conn->data->req.size)
+      next_state = SMB_CLOSE;
+    else
+      next_state = SMB_UPLOAD;
+    break;
+
+  case SMB_CLOSE:
+    /* We don't care if the close failed, proceed to tree disconnect anyway */
+    next_state = SMB_TREE_DISCONNECT;
+    break;
+
+  case SMB_TREE_DISCONNECT:
+    next_state = SMB_DONE;
+    break;
+
+  default:
+    smb_pop_message(conn);
+    return CURLE_OK; /* ignore */
+  }
+
+  smb_pop_message(conn);
+
+  switch(next_state) {
+  case SMB_OPEN:
+    result = smb_send_open(conn);
+    break;
+
+  case SMB_DOWNLOAD:
+    result = smb_send_read(conn);
+    break;
+
+  case SMB_UPLOAD:
+    result = smb_send_write(conn);
+    break;
+
+  case SMB_CLOSE:
+    result = smb_send_close(conn);
+    break;
+
+  case SMB_TREE_DISCONNECT:
+    result = smb_send_tree_disconnect(conn);
+    break;
+
+  case SMB_DONE:
+    result = req->result;
+    *done = true;
+    break;
+
+  default:
+    break;
+  }
+
+  if(result) {
+    connclose(conn, "SMB: failed to send message");
+    return result;
+  }
+
+  request_state(conn, next_state);
+
+  return CURLE_OK;
+}
+
+static CURLcode smb_done(struct connectdata *conn, CURLcode status,
+                         bool premature)
+{
+  (void) premature;
+  Curl_safefree(conn->data->req.protop);
+  return status;
+}
+
+static CURLcode smb_disconnect(struct connectdata *conn, bool dead)
+{
+  struct smb_conn *smbc = &conn->proto.smbc;
+  (void) dead;
+  Curl_safefree(smbc->share);
+  Curl_safefree(smbc->domain);
+  Curl_safefree(smbc->recv_buf);
+  return CURLE_OK;
+}
+
+static int smb_getsock(struct connectdata *conn, curl_socket_t *socks,
+                       int numsocks)
+{
+  if(!numsocks)
+    return GETSOCK_BLANK;
+
+  socks[0] = conn->sock[FIRSTSOCKET];
+  return GETSOCK_READSOCK(0) | GETSOCK_WRITESOCK(0);
+}
+
+static CURLcode smb_do(struct connectdata *conn, bool *done)
+{
+  struct smb_conn *smbc = &conn->proto.smbc;
+
+  *done = FALSE;
+  if(smbc->share) {
+    return CURLE_OK;
+  }
+  return CURLE_URL_MALFORMAT;
+}
+
+static CURLcode smb_parse_url_path(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct smb_request *req = data->req.protop;
+  struct smb_conn *smbc = &conn->proto.smbc;
+  char *path;
+  char *slash;
+
+  /* URL decode the path */
+  result = Curl_urldecode(data, data->state.up.path, 0, &path, NULL, TRUE);
+  if(result)
+    return result;
+
+  /* Parse the path for the share */
+  smbc->share = strdup((*path == '/' || *path == '\\') ? path + 1 : path);
+  free(path);
+  if(!smbc->share)
+    return CURLE_OUT_OF_MEMORY;
+
+  slash = strchr(smbc->share, '/');
+  if(!slash)
+    slash = strchr(smbc->share, '\\');
+
+  /* The share must be present */
+  if(!slash) {
+    Curl_safefree(smbc->share);
+    return CURLE_URL_MALFORMAT;
+  }
+
+  /* Parse the path for the file path converting any forward slashes into
+     backslashes */
+  *slash++ = 0;
+  req->path = slash;
+
+  for(; *slash; slash++) {
+    if(*slash == '/')
+      *slash = '\\';
+  }
+  return CURLE_OK;
+}
+
+#endif /* !USE_WINDOWS_SSPI || USE_WIN32_CRYPTO */
+
+#endif /* CURL_DISABLE_SMB && USE_NTLM && CURL_SIZEOF_CURL_OFF_T > 4 */
Index: trunk/src/libs/curl-7.64.0/lib/smb.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/smb.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/smb.h	(revision 85671)
@@ -0,0 +1,259 @@
+#ifndef HEADER_CURL_SMB_H
+#define HEADER_CURL_SMB_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2014, Bill Nagel <wnagel@tycoint.com>, Exacq Technologies
+ * Copyright (C) 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+enum smb_conn_state {
+  SMB_NOT_CONNECTED = 0,
+  SMB_CONNECTING,
+  SMB_NEGOTIATE,
+  SMB_SETUP,
+  SMB_CONNECTED
+};
+
+struct smb_conn {
+  enum smb_conn_state state;
+  char *user;
+  char *domain;
+  char *share;
+  unsigned char challenge[8];
+  unsigned int session_key;
+  unsigned short uid;
+  char *recv_buf;
+  size_t upload_size;
+  size_t send_size;
+  size_t sent;
+  size_t got;
+};
+
+/*
+ * Definitions for SMB protocol data structures
+ */
+#ifdef BUILDING_CURL_SMB_C
+
+#if defined(_MSC_VER) || defined(__ILEC400__)
+#  define PACK
+#  pragma pack(push)
+#  pragma pack(1)
+#elif defined(__GNUC__)
+#  define PACK __attribute__((packed))
+#else
+#  define PACK
+#endif
+
+#define SMB_COM_CLOSE                 0x04
+#define SMB_COM_READ_ANDX             0x2e
+#define SMB_COM_WRITE_ANDX            0x2f
+#define SMB_COM_TREE_DISCONNECT       0x71
+#define SMB_COM_NEGOTIATE             0x72
+#define SMB_COM_SETUP_ANDX            0x73
+#define SMB_COM_TREE_CONNECT_ANDX     0x75
+#define SMB_COM_NT_CREATE_ANDX        0xa2
+#define SMB_COM_NO_ANDX_COMMAND       0xff
+
+#define SMB_WC_CLOSE                  0x03
+#define SMB_WC_READ_ANDX              0x0c
+#define SMB_WC_WRITE_ANDX             0x0e
+#define SMB_WC_SETUP_ANDX             0x0d
+#define SMB_WC_TREE_CONNECT_ANDX      0x04
+#define SMB_WC_NT_CREATE_ANDX         0x18
+
+#define SMB_FLAGS_CANONICAL_PATHNAMES 0x10
+#define SMB_FLAGS_CASELESS_PATHNAMES  0x08
+#define SMB_FLAGS2_UNICODE_STRINGS    0x8000
+#define SMB_FLAGS2_IS_LONG_NAME       0x0040
+#define SMB_FLAGS2_KNOWS_LONG_NAME    0x0001
+
+#define SMB_CAP_LARGE_FILES           0x08
+#define SMB_GENERIC_WRITE             0x40000000
+#define SMB_GENERIC_READ              0x80000000
+#define SMB_FILE_SHARE_ALL            0x07
+#define SMB_FILE_OPEN                 0x01
+#define SMB_FILE_OVERWRITE_IF         0x05
+
+#define SMB_ERR_NOACCESS              0x00050001
+
+struct smb_header {
+  unsigned char nbt_type;
+  unsigned char nbt_flags;
+  unsigned short nbt_length;
+  unsigned char magic[4];
+  unsigned char command;
+  unsigned int status;
+  unsigned char flags;
+  unsigned short flags2;
+  unsigned short pid_high;
+  unsigned char signature[8];
+  unsigned short pad;
+  unsigned short tid;
+  unsigned short pid;
+  unsigned short uid;
+  unsigned short mid;
+} PACK;
+
+struct smb_negotiate_response {
+  struct smb_header h;
+  unsigned char word_count;
+  unsigned short dialect_index;
+  unsigned char security_mode;
+  unsigned short max_mpx_count;
+  unsigned short max_number_vcs;
+  unsigned int max_buffer_size;
+  unsigned int max_raw_size;
+  unsigned int session_key;
+  unsigned int capabilities;
+  unsigned int system_time_low;
+  unsigned int system_time_high;
+  unsigned short server_time_zone;
+  unsigned char encryption_key_length;
+  unsigned short byte_count;
+  char bytes[1];
+} PACK;
+
+struct andx {
+  unsigned char command;
+  unsigned char pad;
+  unsigned short offset;
+} PACK;
+
+struct smb_setup {
+  unsigned char word_count;
+  struct andx andx;
+  unsigned short max_buffer_size;
+  unsigned short max_mpx_count;
+  unsigned short vc_number;
+  unsigned int session_key;
+  unsigned short lengths[2];
+  unsigned int pad;
+  unsigned int capabilities;
+  unsigned short byte_count;
+  char bytes[1024];
+} PACK;
+
+struct smb_tree_connect {
+  unsigned char word_count;
+  struct andx andx;
+  unsigned short flags;
+  unsigned short pw_len;
+  unsigned short byte_count;
+  char bytes[1024];
+} PACK;
+
+struct smb_nt_create {
+  unsigned char word_count;
+  struct andx andx;
+  unsigned char pad;
+  unsigned short name_length;
+  unsigned int flags;
+  unsigned int root_fid;
+  unsigned int access;
+  curl_off_t allocation_size;
+  unsigned int ext_file_attributes;
+  unsigned int share_access;
+  unsigned int create_disposition;
+  unsigned int create_options;
+  unsigned int impersonation_level;
+  unsigned char security_flags;
+  unsigned short byte_count;
+  char bytes[1024];
+} PACK;
+
+struct smb_nt_create_response {
+  struct smb_header h;
+  unsigned char word_count;
+  struct andx andx;
+  unsigned char op_lock_level;
+  unsigned short fid;
+  unsigned int create_disposition;
+
+  curl_off_t create_time;
+  curl_off_t last_access_time;
+  curl_off_t last_write_time;
+  curl_off_t last_change_time;
+  unsigned int ext_file_attributes;
+  curl_off_t allocation_size;
+  curl_off_t end_of_file;
+
+} PACK;
+
+struct smb_read {
+  unsigned char word_count;
+  struct andx andx;
+  unsigned short fid;
+  unsigned int offset;
+  unsigned short max_bytes;
+  unsigned short min_bytes;
+  unsigned int timeout;
+  unsigned short remaining;
+  unsigned int offset_high;
+  unsigned short byte_count;
+} PACK;
+
+struct smb_write {
+  struct smb_header h;
+  unsigned char word_count;
+  struct andx andx;
+  unsigned short fid;
+  unsigned int offset;
+  unsigned int timeout;
+  unsigned short write_mode;
+  unsigned short remaining;
+  unsigned short pad;
+  unsigned short data_length;
+  unsigned short data_offset;
+  unsigned int offset_high;
+  unsigned short byte_count;
+  unsigned char pad2;
+} PACK;
+
+struct smb_close {
+  unsigned char word_count;
+  unsigned short fid;
+  unsigned int last_mtime;
+  unsigned short byte_count;
+} PACK;
+
+struct smb_tree_disconnect {
+  unsigned char word_count;
+  unsigned short byte_count;
+} PACK;
+
+#if defined(_MSC_VER) || defined(__ILEC400__)
+#  pragma pack(pop)
+#endif
+
+#endif /* BUILDING_CURL_SMB_C */
+
+#if !defined(CURL_DISABLE_SMB) && defined(USE_NTLM) && \
+    (CURL_SIZEOF_CURL_OFF_T > 4)
+
+#if !defined(USE_WINDOWS_SSPI) || defined(USE_WIN32_CRYPTO)
+
+extern const struct Curl_handler Curl_handler_smb;
+extern const struct Curl_handler Curl_handler_smbs;
+
+#endif /* !USE_WINDOWS_SSPI || USE_WIN32_CRYPTO */
+
+#endif /* CURL_DISABLE_SMB && USE_NTLM && CURL_SIZEOF_CURL_OFF_T > 4 */
+
+#endif /* HEADER_CURL_SMB_H */
Index: trunk/src/libs/curl-7.64.0/lib/smtp.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/smtp.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/smtp.c	(revision 85671)
@@ -0,0 +1,1648 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * RFC1870 SMTP Service Extension for Message Size
+ * RFC2195 CRAM-MD5 authentication
+ * RFC2831 DIGEST-MD5 authentication
+ * RFC3207 SMTP over TLS
+ * RFC4422 Simple Authentication and Security Layer (SASL)
+ * RFC4616 PLAIN authentication
+ * RFC4752 The Kerberos V5 ("GSSAPI") SASL Mechanism
+ * RFC4954 SMTP Authentication
+ * RFC5321 SMTP protocol
+ * RFC6749 OAuth 2.0 Authorization Framework
+ * Draft   SMTP URL Interface   <draft-earhart-url-smtp-00.txt>
+ * Draft   LOGIN SASL Mechanism <draft-murchison-sasl-login-00.txt>
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_SMTP
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_UTSNAME_H
+#include <sys/utsname.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#if (defined(NETWARE) && defined(__NOVELL_LIBC__))
+#undef in_addr_t
+#define in_addr_t unsigned long
+#endif
+
+#include <curl/curl.h>
+#include "urldata.h"
+#include "sendf.h"
+#include "hostip.h"
+#include "progress.h"
+#include "transfer.h"
+#include "escape.h"
+#include "http.h" /* for HTTP proxy tunnel stuff */
+#include "mime.h"
+#include "socks.h"
+#include "smtp.h"
+#include "strtoofft.h"
+#include "strcase.h"
+#include "vtls/vtls.h"
+#include "connect.h"
+#include "strerror.h"
+#include "select.h"
+#include "multiif.h"
+#include "url.h"
+#include "curl_gethostname.h"
+#include "curl_sasl.h"
+#include "warnless.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* Local API functions */
+static CURLcode smtp_regular_transfer(struct connectdata *conn, bool *done);
+static CURLcode smtp_do(struct connectdata *conn, bool *done);
+static CURLcode smtp_done(struct connectdata *conn, CURLcode status,
+                          bool premature);
+static CURLcode smtp_connect(struct connectdata *conn, bool *done);
+static CURLcode smtp_disconnect(struct connectdata *conn, bool dead);
+static CURLcode smtp_multi_statemach(struct connectdata *conn, bool *done);
+static int smtp_getsock(struct connectdata *conn, curl_socket_t *socks,
+                        int numsocks);
+static CURLcode smtp_doing(struct connectdata *conn, bool *dophase_done);
+static CURLcode smtp_setup_connection(struct connectdata *conn);
+static CURLcode smtp_parse_url_options(struct connectdata *conn);
+static CURLcode smtp_parse_url_path(struct connectdata *conn);
+static CURLcode smtp_parse_custom_request(struct connectdata *conn);
+static CURLcode smtp_perform_auth(struct connectdata *conn, const char *mech,
+                                  const char *initresp);
+static CURLcode smtp_continue_auth(struct connectdata *conn, const char *resp);
+static void smtp_get_message(char *buffer, char **outptr);
+
+/*
+ * SMTP protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_smtp = {
+  "SMTP",                           /* scheme */
+  smtp_setup_connection,            /* setup_connection */
+  smtp_do,                          /* do_it */
+  smtp_done,                        /* done */
+  ZERO_NULL,                        /* do_more */
+  smtp_connect,                     /* connect_it */
+  smtp_multi_statemach,             /* connecting */
+  smtp_doing,                       /* doing */
+  smtp_getsock,                     /* proto_getsock */
+  smtp_getsock,                     /* doing_getsock */
+  ZERO_NULL,                        /* domore_getsock */
+  ZERO_NULL,                        /* perform_getsock */
+  smtp_disconnect,                  /* disconnect */
+  ZERO_NULL,                        /* readwrite */
+  ZERO_NULL,                        /* connection_check */
+  PORT_SMTP,                        /* defport */
+  CURLPROTO_SMTP,                   /* protocol */
+  PROTOPT_CLOSEACTION | PROTOPT_NOURLQUERY | /* flags */
+  PROTOPT_URLOPTIONS
+};
+
+#ifdef USE_SSL
+/*
+ * SMTPS protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_smtps = {
+  "SMTPS",                          /* scheme */
+  smtp_setup_connection,            /* setup_connection */
+  smtp_do,                          /* do_it */
+  smtp_done,                        /* done */
+  ZERO_NULL,                        /* do_more */
+  smtp_connect,                     /* connect_it */
+  smtp_multi_statemach,             /* connecting */
+  smtp_doing,                       /* doing */
+  smtp_getsock,                     /* proto_getsock */
+  smtp_getsock,                     /* doing_getsock */
+  ZERO_NULL,                        /* domore_getsock */
+  ZERO_NULL,                        /* perform_getsock */
+  smtp_disconnect,                  /* disconnect */
+  ZERO_NULL,                        /* readwrite */
+  ZERO_NULL,                        /* connection_check */
+  PORT_SMTPS,                       /* defport */
+  CURLPROTO_SMTPS,                  /* protocol */
+  PROTOPT_CLOSEACTION | PROTOPT_SSL
+  | PROTOPT_NOURLQUERY | PROTOPT_URLOPTIONS /* flags */
+};
+#endif
+
+/* SASL parameters for the smtp protocol */
+static const struct SASLproto saslsmtp = {
+  "smtp",                     /* The service name */
+  334,                        /* Code received when continuation is expected */
+  235,                        /* Code to receive upon authentication success */
+  512 - 8,                    /* Maximum initial response length (no max) */
+  smtp_perform_auth,          /* Send authentication command */
+  smtp_continue_auth,         /* Send authentication continuation */
+  smtp_get_message            /* Get SASL response message */
+};
+
+#ifdef USE_SSL
+static void smtp_to_smtps(struct connectdata *conn)
+{
+  /* Change the connection handler */
+  conn->handler = &Curl_handler_smtps;
+
+  /* Set the connection's upgraded to TLS flag */
+  conn->tls_upgraded = TRUE;
+}
+#else
+#define smtp_to_smtps(x) Curl_nop_stmt
+#endif
+
+/***********************************************************************
+ *
+ * smtp_endofresp()
+ *
+ * Checks for an ending SMTP status code at the start of the given string, but
+ * also detects various capabilities from the EHLO response including the
+ * supported authentication mechanisms.
+ */
+static bool smtp_endofresp(struct connectdata *conn, char *line, size_t len,
+                           int *resp)
+{
+  struct smtp_conn *smtpc = &conn->proto.smtpc;
+  bool result = FALSE;
+
+  /* Nothing for us */
+  if(len < 4 || !ISDIGIT(line[0]) || !ISDIGIT(line[1]) || !ISDIGIT(line[2]))
+    return FALSE;
+
+  /* Do we have a command response? This should be the response code followed
+     by a space and optionally some text as per RFC-5321 and as outlined in
+     Section 4. Examples of RFC-4954 but some e-mail servers ignore this and
+     only send the response code instead as per Section 4.2. */
+  if(line[3] == ' ' || len == 5) {
+    char tmpline[6];
+
+    result = TRUE;
+    memset(tmpline, '\0', sizeof(tmpline));
+    memcpy(tmpline, line, (len == 5 ? 5 : 3));
+    *resp = curlx_sltosi(strtol(tmpline, NULL, 10));
+
+    /* Make sure real server never sends internal value */
+    if(*resp == 1)
+      *resp = 0;
+  }
+  /* Do we have a multiline (continuation) response? */
+  else if(line[3] == '-' &&
+          (smtpc->state == SMTP_EHLO || smtpc->state == SMTP_COMMAND)) {
+    result = TRUE;
+    *resp = 1;  /* Internal response code */
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * smtp_get_message()
+ *
+ * Gets the authentication message from the response buffer.
+ */
+static void smtp_get_message(char *buffer, char **outptr)
+{
+  size_t len = strlen(buffer);
+  char *message = NULL;
+
+  if(len > 4) {
+    /* Find the start of the message */
+    len -= 4;
+    for(message = buffer + 4; *message == ' ' || *message == '\t';
+        message++, len--)
+      ;
+
+    /* Find the end of the message */
+    for(; len--;)
+      if(message[len] != '\r' && message[len] != '\n' && message[len] != ' ' &&
+         message[len] != '\t')
+        break;
+
+    /* Terminate the message */
+    if(++len) {
+      message[len] = '\0';
+    }
+  }
+  else
+    /* junk input => zero length output */
+    message = &buffer[len];
+
+  *outptr = message;
+}
+
+/***********************************************************************
+ *
+ * state()
+ *
+ * This is the ONLY way to change SMTP state!
+ */
+static void state(struct connectdata *conn, smtpstate newstate)
+{
+  struct smtp_conn *smtpc = &conn->proto.smtpc;
+#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
+  /* for debug purposes */
+  static const char * const names[] = {
+    "STOP",
+    "SERVERGREET",
+    "EHLO",
+    "HELO",
+    "STARTTLS",
+    "UPGRADETLS",
+    "AUTH",
+    "COMMAND",
+    "MAIL",
+    "RCPT",
+    "DATA",
+    "POSTDATA",
+    "QUIT",
+    /* LAST */
+  };
+
+  if(smtpc->state != newstate)
+    infof(conn->data, "SMTP %p state change from %s to %s\n",
+          (void *)smtpc, names[smtpc->state], names[newstate]);
+#endif
+
+  smtpc->state = newstate;
+}
+
+/***********************************************************************
+ *
+ * smtp_perform_ehlo()
+ *
+ * Sends the EHLO command to not only initialise communication with the ESMTP
+ * server but to also obtain a list of server side supported capabilities.
+ */
+static CURLcode smtp_perform_ehlo(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct smtp_conn *smtpc = &conn->proto.smtpc;
+
+  smtpc->sasl.authmechs = SASL_AUTH_NONE; /* No known auth. mechanism yet */
+  smtpc->sasl.authused = SASL_AUTH_NONE;  /* Clear the authentication mechanism
+                                             used for esmtp connections */
+  smtpc->tls_supported = FALSE;           /* Clear the TLS capability */
+  smtpc->auth_supported = FALSE;          /* Clear the AUTH capability */
+
+  /* Send the EHLO command */
+  result = Curl_pp_sendf(&smtpc->pp, "EHLO %s", smtpc->domain);
+
+  if(!result)
+    state(conn, SMTP_EHLO);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * smtp_perform_helo()
+ *
+ * Sends the HELO command to initialise communication with the SMTP server.
+ */
+static CURLcode smtp_perform_helo(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct smtp_conn *smtpc = &conn->proto.smtpc;
+
+  smtpc->sasl.authused = SASL_AUTH_NONE; /* No authentication mechanism used
+                                            in smtp connections */
+
+  /* Send the HELO command */
+  result = Curl_pp_sendf(&smtpc->pp, "HELO %s", smtpc->domain);
+
+  if(!result)
+    state(conn, SMTP_HELO);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * smtp_perform_starttls()
+ *
+ * Sends the STLS command to start the upgrade to TLS.
+ */
+static CURLcode smtp_perform_starttls(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+
+  /* Send the STARTTLS command */
+  result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", "STARTTLS");
+
+  if(!result)
+    state(conn, SMTP_STARTTLS);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * smtp_perform_upgrade_tls()
+ *
+ * Performs the upgrade to TLS.
+ */
+static CURLcode smtp_perform_upgrade_tls(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct smtp_conn *smtpc = &conn->proto.smtpc;
+
+  /* Start the SSL connection */
+  result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, &smtpc->ssldone);
+
+  if(!result) {
+    if(smtpc->state != SMTP_UPGRADETLS)
+      state(conn, SMTP_UPGRADETLS);
+
+    if(smtpc->ssldone) {
+      smtp_to_smtps(conn);
+      result = smtp_perform_ehlo(conn);
+    }
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * smtp_perform_auth()
+ *
+ * Sends an AUTH command allowing the client to login with the given SASL
+ * authentication mechanism.
+ */
+static CURLcode smtp_perform_auth(struct connectdata *conn,
+                                  const char *mech,
+                                  const char *initresp)
+{
+  CURLcode result = CURLE_OK;
+  struct smtp_conn *smtpc = &conn->proto.smtpc;
+
+  if(initresp) {                                  /* AUTH <mech> ...<crlf> */
+    /* Send the AUTH command with the initial response */
+    result = Curl_pp_sendf(&smtpc->pp, "AUTH %s %s", mech, initresp);
+  }
+  else {
+    /* Send the AUTH command */
+    result = Curl_pp_sendf(&smtpc->pp, "AUTH %s", mech);
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * smtp_continue_auth()
+ *
+ * Sends SASL continuation data or cancellation.
+ */
+static CURLcode smtp_continue_auth(struct connectdata *conn, const char *resp)
+{
+  struct smtp_conn *smtpc = &conn->proto.smtpc;
+
+  return Curl_pp_sendf(&smtpc->pp, "%s", resp);
+}
+
+/***********************************************************************
+ *
+ * smtp_perform_authentication()
+ *
+ * Initiates the authentication sequence, with the appropriate SASL
+ * authentication mechanism.
+ */
+static CURLcode smtp_perform_authentication(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct smtp_conn *smtpc = &conn->proto.smtpc;
+  saslprogress progress;
+
+  /* Check we have enough data to authenticate with, and the
+     server supports authentiation, and end the connect phase if not */
+  if(!smtpc->auth_supported ||
+     !Curl_sasl_can_authenticate(&smtpc->sasl, conn)) {
+    state(conn, SMTP_STOP);
+    return result;
+  }
+
+  /* Calculate the SASL login details */
+  result = Curl_sasl_start(&smtpc->sasl, conn, FALSE, &progress);
+
+  if(!result) {
+    if(progress == SASL_INPROGRESS)
+      state(conn, SMTP_AUTH);
+    else {
+      /* Other mechanisms not supported */
+      infof(conn->data, "No known authentication mechanisms supported!\n");
+      result = CURLE_LOGIN_DENIED;
+    }
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * smtp_perform_command()
+ *
+ * Sends a SMTP based command.
+ */
+static CURLcode smtp_perform_command(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct SMTP *smtp = data->req.protop;
+
+  /* Send the command */
+  if(smtp->rcpt)
+    result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s %s",
+                           smtp->custom && smtp->custom[0] != '\0' ?
+                           smtp->custom : "VRFY",
+                           smtp->rcpt->data);
+  else
+    result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s",
+                           smtp->custom && smtp->custom[0] != '\0' ?
+                           smtp->custom : "HELP");
+
+  if(!result)
+    state(conn, SMTP_COMMAND);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * smtp_perform_mail()
+ *
+ * Sends an MAIL command to initiate the upload of a message.
+ */
+static CURLcode smtp_perform_mail(struct connectdata *conn)
+{
+  char *from = NULL;
+  char *auth = NULL;
+  char *size = NULL;
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  /* Calculate the FROM parameter */
+  if(!data->set.str[STRING_MAIL_FROM])
+    /* Null reverse-path, RFC-5321, sect. 3.6.3 */
+    from = strdup("<>");
+  else if(data->set.str[STRING_MAIL_FROM][0] == '<')
+    from = aprintf("%s", data->set.str[STRING_MAIL_FROM]);
+  else
+    from = aprintf("<%s>", data->set.str[STRING_MAIL_FROM]);
+
+  if(!from)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Calculate the optional AUTH parameter */
+  if(data->set.str[STRING_MAIL_AUTH] && conn->proto.smtpc.sasl.authused) {
+    if(data->set.str[STRING_MAIL_AUTH][0] != '\0')
+      auth = aprintf("%s", data->set.str[STRING_MAIL_AUTH]);
+    else
+      /* Empty AUTH, RFC-2554, sect. 5 */
+      auth = strdup("<>");
+
+    if(!auth) {
+      free(from);
+
+      return CURLE_OUT_OF_MEMORY;
+    }
+  }
+
+  /* Prepare the mime data if some. */
+  if(data->set.mimepost.kind != MIMEKIND_NONE) {
+    /* Use the whole structure as data. */
+    data->set.mimepost.flags &= ~MIME_BODY_ONLY;
+
+    /* Add external headers and mime version. */
+    curl_mime_headers(&data->set.mimepost, data->set.headers, 0);
+    result = Curl_mime_prepare_headers(&data->set.mimepost, NULL,
+                                       NULL, MIMESTRATEGY_MAIL);
+
+    if(!result)
+      if(!Curl_checkheaders(conn, "Mime-Version"))
+        result = Curl_mime_add_header(&data->set.mimepost.curlheaders,
+                                      "Mime-Version: 1.0");
+
+    /* Make sure we will read the entire mime structure. */
+    if(!result)
+      result = Curl_mime_rewind(&data->set.mimepost);
+
+    if(result) {
+      free(from);
+      free(auth);
+      return result;
+    }
+
+    data->state.infilesize = Curl_mime_size(&data->set.mimepost);
+
+    /* Read from mime structure. */
+    data->state.fread_func = (curl_read_callback) Curl_mime_read;
+    data->state.in = (void *) &data->set.mimepost;
+  }
+
+  /* Calculate the optional SIZE parameter */
+  if(conn->proto.smtpc.size_supported && data->state.infilesize > 0) {
+    size = aprintf("%" CURL_FORMAT_CURL_OFF_T, data->state.infilesize);
+
+    if(!size) {
+      free(from);
+      free(auth);
+
+      return CURLE_OUT_OF_MEMORY;
+    }
+  }
+
+  /* Send the MAIL command */
+  if(!auth && !size)
+    result = Curl_pp_sendf(&conn->proto.smtpc.pp,
+                           "MAIL FROM:%s", from);
+  else if(auth && !size)
+    result = Curl_pp_sendf(&conn->proto.smtpc.pp,
+                           "MAIL FROM:%s AUTH=%s", from, auth);
+  else if(auth && size)
+    result = Curl_pp_sendf(&conn->proto.smtpc.pp,
+                           "MAIL FROM:%s AUTH=%s SIZE=%s", from, auth, size);
+  else
+    result = Curl_pp_sendf(&conn->proto.smtpc.pp,
+                           "MAIL FROM:%s SIZE=%s", from, size);
+
+  free(from);
+  free(auth);
+  free(size);
+
+  if(!result)
+    state(conn, SMTP_MAIL);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * smtp_perform_rcpt_to()
+ *
+ * Sends a RCPT TO command for a given recipient as part of the message upload
+ * process.
+ */
+static CURLcode smtp_perform_rcpt_to(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct SMTP *smtp = data->req.protop;
+
+  /* Send the RCPT TO command */
+  if(smtp->rcpt->data[0] == '<')
+    result = Curl_pp_sendf(&conn->proto.smtpc.pp, "RCPT TO:%s",
+                           smtp->rcpt->data);
+  else
+    result = Curl_pp_sendf(&conn->proto.smtpc.pp, "RCPT TO:<%s>",
+                           smtp->rcpt->data);
+  if(!result)
+    state(conn, SMTP_RCPT);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * smtp_perform_quit()
+ *
+ * Performs the quit action prior to sclose() being called.
+ */
+static CURLcode smtp_perform_quit(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+
+  /* Send the QUIT command */
+  result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", "QUIT");
+
+  if(!result)
+    state(conn, SMTP_QUIT);
+
+  return result;
+}
+
+/* For the initial server greeting */
+static CURLcode smtp_state_servergreet_resp(struct connectdata *conn,
+                                            int smtpcode,
+                                            smtpstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  (void)instate; /* no use for this yet */
+
+  if(smtpcode/100 != 2) {
+    failf(data, "Got unexpected smtp-server response: %d", smtpcode);
+    result = CURLE_WEIRD_SERVER_REPLY;
+  }
+  else
+    result = smtp_perform_ehlo(conn);
+
+  return result;
+}
+
+/* For STARTTLS responses */
+static CURLcode smtp_state_starttls_resp(struct connectdata *conn,
+                                         int smtpcode,
+                                         smtpstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  (void)instate; /* no use for this yet */
+
+  if(smtpcode != 220) {
+    if(data->set.use_ssl != CURLUSESSL_TRY) {
+      failf(data, "STARTTLS denied, code %d", smtpcode);
+      result = CURLE_USE_SSL_FAILED;
+    }
+    else
+      result = smtp_perform_authentication(conn);
+  }
+  else
+    result = smtp_perform_upgrade_tls(conn);
+
+  return result;
+}
+
+/* For EHLO responses */
+static CURLcode smtp_state_ehlo_resp(struct connectdata *conn, int smtpcode,
+                                     smtpstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct smtp_conn *smtpc = &conn->proto.smtpc;
+  const char *line = data->state.buffer;
+  size_t len = strlen(line);
+
+  (void)instate; /* no use for this yet */
+
+  if(smtpcode/100 != 2 && smtpcode != 1) {
+    if(data->set.use_ssl <= CURLUSESSL_TRY || conn->ssl[FIRSTSOCKET].use)
+      result = smtp_perform_helo(conn);
+    else {
+      failf(data, "Remote access denied: %d", smtpcode);
+      result = CURLE_REMOTE_ACCESS_DENIED;
+    }
+  }
+  else {
+    line += 4;
+    len -= 4;
+
+    /* Does the server support the STARTTLS capability? */
+    if(len >= 8 && !memcmp(line, "STARTTLS", 8))
+      smtpc->tls_supported = TRUE;
+
+    /* Does the server support the SIZE capability? */
+    else if(len >= 4 && !memcmp(line, "SIZE", 4))
+      smtpc->size_supported = TRUE;
+
+    /* Does the server support authentication? */
+    else if(len >= 5 && !memcmp(line, "AUTH ", 5)) {
+      smtpc->auth_supported = TRUE;
+
+      /* Advance past the AUTH keyword */
+      line += 5;
+      len -= 5;
+
+      /* Loop through the data line */
+      for(;;) {
+        size_t llen;
+        size_t wordlen;
+        unsigned int mechbit;
+
+        while(len &&
+              (*line == ' ' || *line == '\t' ||
+               *line == '\r' || *line == '\n')) {
+
+          line++;
+          len--;
+        }
+
+        if(!len)
+          break;
+
+        /* Extract the word */
+        for(wordlen = 0; wordlen < len && line[wordlen] != ' ' &&
+              line[wordlen] != '\t' && line[wordlen] != '\r' &&
+              line[wordlen] != '\n';)
+          wordlen++;
+
+        /* Test the word for a matching authentication mechanism */
+        mechbit = Curl_sasl_decode_mech(line, wordlen, &llen);
+        if(mechbit && llen == wordlen)
+          smtpc->sasl.authmechs |= mechbit;
+
+        line += wordlen;
+        len -= wordlen;
+      }
+    }
+
+    if(smtpcode != 1) {
+      if(data->set.use_ssl && !conn->ssl[FIRSTSOCKET].use) {
+        /* We don't have a SSL/TLS connection yet, but SSL is requested */
+        if(smtpc->tls_supported)
+          /* Switch to TLS connection now */
+          result = smtp_perform_starttls(conn);
+        else if(data->set.use_ssl == CURLUSESSL_TRY)
+          /* Fallback and carry on with authentication */
+          result = smtp_perform_authentication(conn);
+        else {
+          failf(data, "STARTTLS not supported.");
+          result = CURLE_USE_SSL_FAILED;
+        }
+      }
+      else
+        result = smtp_perform_authentication(conn);
+    }
+  }
+
+  return result;
+}
+
+/* For HELO responses */
+static CURLcode smtp_state_helo_resp(struct connectdata *conn, int smtpcode,
+                                     smtpstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  (void)instate; /* no use for this yet */
+
+  if(smtpcode/100 != 2) {
+    failf(data, "Remote access denied: %d", smtpcode);
+    result = CURLE_REMOTE_ACCESS_DENIED;
+  }
+  else
+    /* End of connect phase */
+    state(conn, SMTP_STOP);
+
+  return result;
+}
+
+/* For SASL authentication responses */
+static CURLcode smtp_state_auth_resp(struct connectdata *conn,
+                                     int smtpcode,
+                                     smtpstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct smtp_conn *smtpc = &conn->proto.smtpc;
+  saslprogress progress;
+
+  (void)instate; /* no use for this yet */
+
+  result = Curl_sasl_continue(&smtpc->sasl, conn, smtpcode, &progress);
+  if(!result)
+    switch(progress) {
+    case SASL_DONE:
+      state(conn, SMTP_STOP);  /* Authenticated */
+      break;
+    case SASL_IDLE:            /* No mechanism left after cancellation */
+      failf(data, "Authentication cancelled");
+      result = CURLE_LOGIN_DENIED;
+      break;
+    default:
+      break;
+    }
+
+  return result;
+}
+
+/* For command responses */
+static CURLcode smtp_state_command_resp(struct connectdata *conn, int smtpcode,
+                                        smtpstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct SMTP *smtp = data->req.protop;
+  char *line = data->state.buffer;
+  size_t len = strlen(line);
+
+  (void)instate; /* no use for this yet */
+
+  if((smtp->rcpt && smtpcode/100 != 2 && smtpcode != 553 && smtpcode != 1) ||
+     (!smtp->rcpt && smtpcode/100 != 2 && smtpcode != 1)) {
+    failf(data, "Command failed: %d", smtpcode);
+    result = CURLE_RECV_ERROR;
+  }
+  else {
+    /* Temporarily add the LF character back and send as body to the client */
+    if(!data->set.opt_no_body) {
+      line[len] = '\n';
+      result = Curl_client_write(conn, CLIENTWRITE_BODY, line, len + 1);
+      line[len] = '\0';
+    }
+
+    if(smtpcode != 1) {
+      if(smtp->rcpt) {
+        smtp->rcpt = smtp->rcpt->next;
+
+        if(smtp->rcpt) {
+          /* Send the next command */
+          result = smtp_perform_command(conn);
+        }
+        else
+          /* End of DO phase */
+          state(conn, SMTP_STOP);
+      }
+      else
+        /* End of DO phase */
+        state(conn, SMTP_STOP);
+    }
+  }
+
+  return result;
+}
+
+/* For MAIL responses */
+static CURLcode smtp_state_mail_resp(struct connectdata *conn, int smtpcode,
+                                     smtpstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  (void)instate; /* no use for this yet */
+
+  if(smtpcode/100 != 2) {
+    failf(data, "MAIL failed: %d", smtpcode);
+    result = CURLE_SEND_ERROR;
+  }
+  else
+    /* Start the RCPT TO command */
+    result = smtp_perform_rcpt_to(conn);
+
+  return result;
+}
+
+/* For RCPT responses */
+static CURLcode smtp_state_rcpt_resp(struct connectdata *conn, int smtpcode,
+                                     smtpstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct SMTP *smtp = data->req.protop;
+
+  (void)instate; /* no use for this yet */
+
+  if(smtpcode/100 != 2) {
+    failf(data, "RCPT failed: %d", smtpcode);
+    result = CURLE_SEND_ERROR;
+  }
+  else {
+    smtp->rcpt = smtp->rcpt->next;
+
+    if(smtp->rcpt)
+      /* Send the next RCPT TO command */
+      result = smtp_perform_rcpt_to(conn);
+    else {
+      /* Send the DATA command */
+      result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", "DATA");
+
+      if(!result)
+        state(conn, SMTP_DATA);
+    }
+  }
+
+  return result;
+}
+
+/* For DATA response */
+static CURLcode smtp_state_data_resp(struct connectdata *conn, int smtpcode,
+                                     smtpstate instate)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  (void)instate; /* no use for this yet */
+
+  if(smtpcode != 354) {
+    failf(data, "DATA failed: %d", smtpcode);
+    result = CURLE_SEND_ERROR;
+  }
+  else {
+    /* Set the progress upload size */
+    Curl_pgrsSetUploadSize(data, data->state.infilesize);
+
+    /* SMTP upload */
+    Curl_setup_transfer(conn, -1, -1, FALSE, NULL, FIRSTSOCKET, NULL);
+
+    /* End of DO phase */
+    state(conn, SMTP_STOP);
+  }
+
+  return result;
+}
+
+/* For POSTDATA responses, which are received after the entire DATA
+   part has been sent to the server */
+static CURLcode smtp_state_postdata_resp(struct connectdata *conn,
+                                         int smtpcode,
+                                         smtpstate instate)
+{
+  CURLcode result = CURLE_OK;
+
+  (void)instate; /* no use for this yet */
+
+  if(smtpcode != 250)
+    result = CURLE_RECV_ERROR;
+
+  /* End of DONE phase */
+  state(conn, SMTP_STOP);
+
+  return result;
+}
+
+static CURLcode smtp_statemach_act(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  curl_socket_t sock = conn->sock[FIRSTSOCKET];
+  struct Curl_easy *data = conn->data;
+  int smtpcode;
+  struct smtp_conn *smtpc = &conn->proto.smtpc;
+  struct pingpong *pp = &smtpc->pp;
+  size_t nread = 0;
+
+  /* Busy upgrading the connection; right now all I/O is SSL/TLS, not SMTP */
+  if(smtpc->state == SMTP_UPGRADETLS)
+    return smtp_perform_upgrade_tls(conn);
+
+  /* Flush any data that needs to be sent */
+  if(pp->sendleft)
+    return Curl_pp_flushsend(pp);
+
+  do {
+    /* Read the response from the server */
+    result = Curl_pp_readresp(sock, pp, &smtpcode, &nread);
+    if(result)
+      return result;
+
+    /* Store the latest response for later retrieval if necessary */
+    if(smtpc->state != SMTP_QUIT && smtpcode != 1)
+      data->info.httpcode = smtpcode;
+
+    if(!smtpcode)
+      break;
+
+    /* We have now received a full SMTP server response */
+    switch(smtpc->state) {
+    case SMTP_SERVERGREET:
+      result = smtp_state_servergreet_resp(conn, smtpcode, smtpc->state);
+      break;
+
+    case SMTP_EHLO:
+      result = smtp_state_ehlo_resp(conn, smtpcode, smtpc->state);
+      break;
+
+    case SMTP_HELO:
+      result = smtp_state_helo_resp(conn, smtpcode, smtpc->state);
+      break;
+
+    case SMTP_STARTTLS:
+      result = smtp_state_starttls_resp(conn, smtpcode, smtpc->state);
+      break;
+
+    case SMTP_AUTH:
+      result = smtp_state_auth_resp(conn, smtpcode, smtpc->state);
+      break;
+
+    case SMTP_COMMAND:
+      result = smtp_state_command_resp(conn, smtpcode, smtpc->state);
+      break;
+
+    case SMTP_MAIL:
+      result = smtp_state_mail_resp(conn, smtpcode, smtpc->state);
+      break;
+
+    case SMTP_RCPT:
+      result = smtp_state_rcpt_resp(conn, smtpcode, smtpc->state);
+      break;
+
+    case SMTP_DATA:
+      result = smtp_state_data_resp(conn, smtpcode, smtpc->state);
+      break;
+
+    case SMTP_POSTDATA:
+      result = smtp_state_postdata_resp(conn, smtpcode, smtpc->state);
+      break;
+
+    case SMTP_QUIT:
+      /* fallthrough, just stop! */
+    default:
+      /* internal error */
+      state(conn, SMTP_STOP);
+      break;
+    }
+  } while(!result && smtpc->state != SMTP_STOP && Curl_pp_moredata(pp));
+
+  return result;
+}
+
+/* Called repeatedly until done from multi.c */
+static CURLcode smtp_multi_statemach(struct connectdata *conn, bool *done)
+{
+  CURLcode result = CURLE_OK;
+  struct smtp_conn *smtpc = &conn->proto.smtpc;
+
+  if((conn->handler->flags & PROTOPT_SSL) && !smtpc->ssldone) {
+    result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, &smtpc->ssldone);
+    if(result || !smtpc->ssldone)
+      return result;
+  }
+
+  result = Curl_pp_statemach(&smtpc->pp, FALSE, FALSE);
+  *done = (smtpc->state == SMTP_STOP) ? TRUE : FALSE;
+
+  return result;
+}
+
+static CURLcode smtp_block_statemach(struct connectdata *conn,
+                                     bool disconnecting)
+{
+  CURLcode result = CURLE_OK;
+  struct smtp_conn *smtpc = &conn->proto.smtpc;
+
+  while(smtpc->state != SMTP_STOP && !result)
+    result = Curl_pp_statemach(&smtpc->pp, TRUE, disconnecting);
+
+  return result;
+}
+
+/* Allocate and initialize the SMTP struct for the current Curl_easy if
+   required */
+static CURLcode smtp_init(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct SMTP *smtp;
+
+  smtp = data->req.protop = calloc(sizeof(struct SMTP), 1);
+  if(!smtp)
+    result = CURLE_OUT_OF_MEMORY;
+
+  return result;
+}
+
+/* For the SMTP "protocol connect" and "doing" phases only */
+static int smtp_getsock(struct connectdata *conn, curl_socket_t *socks,
+                        int numsocks)
+{
+  return Curl_pp_getsock(&conn->proto.smtpc.pp, socks, numsocks);
+}
+
+/***********************************************************************
+ *
+ * smtp_connect()
+ *
+ * This function should do everything that is to be considered a part of
+ * the connection phase.
+ *
+ * The variable pointed to by 'done' will be TRUE if the protocol-layer
+ * connect phase is done when this function returns, or FALSE if not.
+ */
+static CURLcode smtp_connect(struct connectdata *conn, bool *done)
+{
+  CURLcode result = CURLE_OK;
+  struct smtp_conn *smtpc = &conn->proto.smtpc;
+  struct pingpong *pp = &smtpc->pp;
+
+  *done = FALSE; /* default to not done yet */
+
+  /* We always support persistent connections in SMTP */
+  connkeep(conn, "SMTP default");
+
+  /* Set the default response time-out */
+  pp->response_time = RESP_TIMEOUT;
+  pp->statemach_act = smtp_statemach_act;
+  pp->endofresp = smtp_endofresp;
+  pp->conn = conn;
+
+  /* Initialize the SASL storage */
+  Curl_sasl_init(&smtpc->sasl, &saslsmtp);
+
+  /* Initialise the pingpong layer */
+  Curl_pp_init(pp);
+
+  /* Parse the URL options */
+  result = smtp_parse_url_options(conn);
+  if(result)
+    return result;
+
+  /* Parse the URL path */
+  result = smtp_parse_url_path(conn);
+  if(result)
+    return result;
+
+  /* Start off waiting for the server greeting response */
+  state(conn, SMTP_SERVERGREET);
+
+  result = smtp_multi_statemach(conn, done);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * smtp_done()
+ *
+ * The DONE function. This does what needs to be done after a single DO has
+ * performed.
+ *
+ * Input argument is already checked for validity.
+ */
+static CURLcode smtp_done(struct connectdata *conn, CURLcode status,
+                          bool premature)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct SMTP *smtp = data->req.protop;
+  struct pingpong *pp = &conn->proto.smtpc.pp;
+  char *eob;
+  ssize_t len;
+  ssize_t bytes_written;
+
+  (void)premature;
+
+  if(!smtp || !pp->conn)
+    return CURLE_OK;
+
+  /* Cleanup our per-request based variables */
+  Curl_safefree(smtp->custom);
+
+  if(status) {
+    connclose(conn, "SMTP done with bad status"); /* marked for closure */
+    result = status;         /* use the already set error code */
+  }
+  else if(!data->set.connect_only && data->set.mail_rcpt &&
+          (data->set.upload || data->set.mimepost.kind)) {
+    /* Calculate the EOB taking into account any terminating CRLF from the
+       previous line of the email or the CRLF of the DATA command when there
+       is "no mail data". RFC-5321, sect. 4.1.1.4.
+
+       Note: As some SSL backends, such as OpenSSL, will cause Curl_write() to
+       fail when using a different pointer following a previous write, that
+       returned CURLE_AGAIN, we duplicate the EOB now rather than when the
+       bytes written doesn't equal len. */
+    if(smtp->trailing_crlf || !conn->data->state.infilesize) {
+      eob = strdup(SMTP_EOB + 2);
+      len = SMTP_EOB_LEN - 2;
+    }
+    else {
+      eob = strdup(SMTP_EOB);
+      len = SMTP_EOB_LEN;
+    }
+
+    if(!eob)
+      return CURLE_OUT_OF_MEMORY;
+
+    /* Send the end of block data */
+    result = Curl_write(conn, conn->writesockfd, eob, len, &bytes_written);
+    if(result) {
+      free(eob);
+      return result;
+    }
+
+    if(bytes_written != len) {
+      /* The whole chunk was not sent so keep it around and adjust the
+         pingpong structure accordingly */
+      pp->sendthis = eob;
+      pp->sendsize = len;
+      pp->sendleft = len - bytes_written;
+    }
+    else {
+      /* Successfully sent so adjust the response timeout relative to now */
+      pp->response = Curl_now();
+
+      free(eob);
+    }
+
+    state(conn, SMTP_POSTDATA);
+
+    /* Run the state-machine
+
+       TODO: when the multi interface is used, this _really_ should be using
+       the smtp_multi_statemach function but we have no general support for
+       non-blocking DONE operations!
+    */
+    result = smtp_block_statemach(conn, FALSE);
+  }
+
+  /* Clear the transfer mode for the next request */
+  smtp->transfer = FTPTRANSFER_BODY;
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * smtp_perform()
+ *
+ * This is the actual DO function for SMTP. Transfer a mail, send a command
+ * or get some data according to the options previously setup.
+ */
+static CURLcode smtp_perform(struct connectdata *conn, bool *connected,
+                             bool *dophase_done)
+{
+  /* This is SMTP and no proxy */
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct SMTP *smtp = data->req.protop;
+
+  DEBUGF(infof(conn->data, "DO phase starts\n"));
+
+  if(data->set.opt_no_body) {
+    /* Requested no body means no transfer */
+    smtp->transfer = FTPTRANSFER_INFO;
+  }
+
+  *dophase_done = FALSE; /* not done yet */
+
+  /* Store the first recipient (or NULL if not specified) */
+  smtp->rcpt = data->set.mail_rcpt;
+
+  /* Initial data character is the first character in line: it is implicitly
+     preceded by a virtual CRLF. */
+  smtp->trailing_crlf = TRUE;
+  smtp->eob = 2;
+
+  /* Start the first command in the DO phase */
+  if((data->set.upload || data->set.mimepost.kind) && data->set.mail_rcpt)
+    /* MAIL transfer */
+    result = smtp_perform_mail(conn);
+  else
+    /* SMTP based command (VRFY, EXPN, NOOP, RSET or HELP) */
+    result = smtp_perform_command(conn);
+
+  if(result)
+    return result;
+
+  /* Run the state-machine */
+  result = smtp_multi_statemach(conn, dophase_done);
+
+  *connected = conn->bits.tcpconnect[FIRSTSOCKET];
+
+  if(*dophase_done)
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * smtp_do()
+ *
+ * This function is registered as 'curl_do' function. It decodes the path
+ * parts etc as a wrapper to the actual DO function (smtp_perform).
+ *
+ * The input argument is already checked for validity.
+ */
+static CURLcode smtp_do(struct connectdata *conn, bool *done)
+{
+  CURLcode result = CURLE_OK;
+
+  *done = FALSE; /* default to false */
+
+  /* Parse the custom request */
+  result = smtp_parse_custom_request(conn);
+  if(result)
+    return result;
+
+  result = smtp_regular_transfer(conn, done);
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * smtp_disconnect()
+ *
+ * Disconnect from an SMTP server. Cleanup protocol-specific per-connection
+ * resources. BLOCKING.
+ */
+static CURLcode smtp_disconnect(struct connectdata *conn, bool dead_connection)
+{
+  struct smtp_conn *smtpc = &conn->proto.smtpc;
+
+  /* We cannot send quit unconditionally. If this connection is stale or
+     bad in any way, sending quit and waiting around here will make the
+     disconnect wait in vain and cause more problems than we need to. */
+
+  /* The SMTP session may or may not have been allocated/setup at this
+     point! */
+  if(!dead_connection && smtpc->pp.conn && smtpc->pp.conn->bits.protoconnstart)
+    if(!smtp_perform_quit(conn))
+      (void)smtp_block_statemach(conn, TRUE); /* ignore errors on QUIT */
+
+  /* Disconnect from the server */
+  Curl_pp_disconnect(&smtpc->pp);
+
+  /* Cleanup the SASL module */
+  Curl_sasl_cleanup(conn, smtpc->sasl.authused);
+
+  /* Cleanup our connection based variables */
+  Curl_safefree(smtpc->domain);
+
+  return CURLE_OK;
+}
+
+/* Call this when the DO phase has completed */
+static CURLcode smtp_dophase_done(struct connectdata *conn, bool connected)
+{
+  struct SMTP *smtp = conn->data->req.protop;
+
+  (void)connected;
+
+  if(smtp->transfer != FTPTRANSFER_BODY)
+    /* no data to transfer */
+    Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
+
+  return CURLE_OK;
+}
+
+/* Called from multi.c while DOing */
+static CURLcode smtp_doing(struct connectdata *conn, bool *dophase_done)
+{
+  CURLcode result = smtp_multi_statemach(conn, dophase_done);
+
+  if(result)
+    DEBUGF(infof(conn->data, "DO phase failed\n"));
+  else if(*dophase_done) {
+    result = smtp_dophase_done(conn, FALSE /* not connected */);
+
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * smtp_regular_transfer()
+ *
+ * The input argument is already checked for validity.
+ *
+ * Performs all commands done before a regular transfer between a local and a
+ * remote host.
+ */
+static CURLcode smtp_regular_transfer(struct connectdata *conn,
+                                      bool *dophase_done)
+{
+  CURLcode result = CURLE_OK;
+  bool connected = FALSE;
+  struct Curl_easy *data = conn->data;
+
+  /* Make sure size is unknown at this point */
+  data->req.size = -1;
+
+  /* Set the progress data */
+  Curl_pgrsSetUploadCounter(data, 0);
+  Curl_pgrsSetDownloadCounter(data, 0);
+  Curl_pgrsSetUploadSize(data, -1);
+  Curl_pgrsSetDownloadSize(data, -1);
+
+  /* Carry out the perform */
+  result = smtp_perform(conn, &connected, dophase_done);
+
+  /* Perform post DO phase operations if necessary */
+  if(!result && *dophase_done)
+    result = smtp_dophase_done(conn, connected);
+
+  return result;
+}
+
+static CURLcode smtp_setup_connection(struct connectdata *conn)
+{
+  CURLcode result;
+
+  /* Clear the TLS upgraded flag */
+  conn->tls_upgraded = FALSE;
+
+  /* Initialise the SMTP layer */
+  result = smtp_init(conn);
+  if(result)
+    return result;
+
+  return CURLE_OK;
+}
+
+/***********************************************************************
+ *
+ * smtp_parse_url_options()
+ *
+ * Parse the URL login options.
+ */
+static CURLcode smtp_parse_url_options(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct smtp_conn *smtpc = &conn->proto.smtpc;
+  const char *ptr = conn->options;
+
+  smtpc->sasl.resetprefs = TRUE;
+
+  while(!result && ptr && *ptr) {
+    const char *key = ptr;
+    const char *value;
+
+    while(*ptr && *ptr != '=')
+      ptr++;
+
+    value = ptr + 1;
+
+    while(*ptr && *ptr != ';')
+      ptr++;
+
+    if(strncasecompare(key, "AUTH=", 5))
+      result = Curl_sasl_parse_url_auth_option(&smtpc->sasl,
+                                               value, ptr - value);
+    else
+      result = CURLE_URL_MALFORMAT;
+
+    if(*ptr == ';')
+      ptr++;
+  }
+
+  return result;
+}
+
+/***********************************************************************
+ *
+ * smtp_parse_url_path()
+ *
+ * Parse the URL path into separate path components.
+ */
+static CURLcode smtp_parse_url_path(struct connectdata *conn)
+{
+  /* The SMTP struct is already initialised in smtp_connect() */
+  struct Curl_easy *data = conn->data;
+  struct smtp_conn *smtpc = &conn->proto.smtpc;
+  const char *path = &data->state.up.path[1]; /* skip leading path */
+  char localhost[HOSTNAME_MAX + 1];
+
+  /* Calculate the path if necessary */
+  if(!*path) {
+    if(!Curl_gethostname(localhost, sizeof(localhost)))
+      path = localhost;
+    else
+      path = "localhost";
+  }
+
+  /* URL decode the path and use it as the domain in our EHLO */
+  return Curl_urldecode(conn->data, path, 0, &smtpc->domain, NULL, TRUE);
+}
+
+/***********************************************************************
+ *
+ * smtp_parse_custom_request()
+ *
+ * Parse the custom request.
+ */
+static CURLcode smtp_parse_custom_request(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct SMTP *smtp = data->req.protop;
+  const char *custom = data->set.str[STRING_CUSTOMREQUEST];
+
+  /* URL decode the custom request */
+  if(custom)
+    result = Curl_urldecode(data, custom, 0, &smtp->custom, NULL, TRUE);
+
+  return result;
+}
+
+CURLcode Curl_smtp_escape_eob(struct connectdata *conn, const ssize_t nread)
+{
+  /* When sending a SMTP payload we must detect CRLF. sequences making sure
+     they are sent as CRLF.. instead, as a . on the beginning of a line will
+     be deleted by the server when not part of an EOB terminator and a
+     genuine CRLF.CRLF which isn't escaped will wrongly be detected as end of
+     data by the server
+  */
+  ssize_t i;
+  ssize_t si;
+  struct Curl_easy *data = conn->data;
+  struct SMTP *smtp = data->req.protop;
+  char *scratch = data->state.scratch;
+  char *newscratch = NULL;
+  char *oldscratch = NULL;
+  size_t eob_sent;
+
+  /* Do we need to allocate a scratch buffer? */
+  if(!scratch || data->set.crlf) {
+    oldscratch = scratch;
+
+    scratch = newscratch = malloc(2 * data->set.upload_buffer_size);
+    if(!newscratch) {
+      failf(data, "Failed to alloc scratch buffer!");
+
+      return CURLE_OUT_OF_MEMORY;
+    }
+  }
+  DEBUGASSERT(data->set.upload_buffer_size >= (size_t)nread);
+
+  /* Have we already sent part of the EOB? */
+  eob_sent = smtp->eob;
+
+  /* This loop can be improved by some kind of Boyer-Moore style of
+     approach but that is saved for later... */
+  for(i = 0, si = 0; i < nread; i++) {
+    if(SMTP_EOB[smtp->eob] == data->req.upload_fromhere[i]) {
+      smtp->eob++;
+
+      /* Is the EOB potentially the terminating CRLF? */
+      if(2 == smtp->eob || SMTP_EOB_LEN == smtp->eob)
+        smtp->trailing_crlf = TRUE;
+      else
+        smtp->trailing_crlf = FALSE;
+    }
+    else if(smtp->eob) {
+      /* A previous substring matched so output that first */
+      memcpy(&scratch[si], &SMTP_EOB[eob_sent], smtp->eob - eob_sent);
+      si += smtp->eob - eob_sent;
+
+      /* Then compare the first byte */
+      if(SMTP_EOB[0] == data->req.upload_fromhere[i])
+        smtp->eob = 1;
+      else
+        smtp->eob = 0;
+
+      eob_sent = 0;
+
+      /* Reset the trailing CRLF flag as there was more data */
+      smtp->trailing_crlf = FALSE;
+    }
+
+    /* Do we have a match for CRLF. as per RFC-5321, sect. 4.5.2 */
+    if(SMTP_EOB_FIND_LEN == smtp->eob) {
+      /* Copy the replacement data to the target buffer */
+      memcpy(&scratch[si], &SMTP_EOB_REPL[eob_sent],
+             SMTP_EOB_REPL_LEN - eob_sent);
+      si += SMTP_EOB_REPL_LEN - eob_sent;
+      smtp->eob = 0;
+      eob_sent = 0;
+    }
+    else if(!smtp->eob)
+      scratch[si++] = data->req.upload_fromhere[i];
+  }
+
+  if(smtp->eob - eob_sent) {
+    /* A substring matched before processing ended so output that now */
+    memcpy(&scratch[si], &SMTP_EOB[eob_sent], smtp->eob - eob_sent);
+    si += smtp->eob - eob_sent;
+  }
+
+  /* Only use the new buffer if we replaced something */
+  if(si != nread) {
+    /* Upload from the new (replaced) buffer instead */
+    data->req.upload_fromhere = scratch;
+
+    /* Save the buffer so it can be freed later */
+    data->state.scratch = scratch;
+
+    /* Free the old scratch buffer */
+    free(oldscratch);
+
+    /* Set the new amount too */
+    data->req.upload_present = si;
+  }
+  else
+    free(newscratch);
+
+  return CURLE_OK;
+}
+
+#endif /* CURL_DISABLE_SMTP */
Index: trunk/src/libs/curl-7.64.0/lib/smtp.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/smtp.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/smtp.h	(revision 85671)
@@ -0,0 +1,91 @@
+#ifndef HEADER_CURL_SMTP_H
+#define HEADER_CURL_SMTP_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2009 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "pingpong.h"
+#include "curl_sasl.h"
+
+/****************************************************************************
+ * SMTP unique setup
+ ***************************************************************************/
+typedef enum {
+  SMTP_STOP,        /* do nothing state, stops the state machine */
+  SMTP_SERVERGREET, /* waiting for the initial greeting immediately after
+                       a connect */
+  SMTP_EHLO,
+  SMTP_HELO,
+  SMTP_STARTTLS,
+  SMTP_UPGRADETLS,  /* asynchronously upgrade the connection to SSL/TLS
+                       (multi mode only) */
+  SMTP_AUTH,
+  SMTP_COMMAND,     /* VRFY, EXPN, NOOP, RSET and HELP */
+  SMTP_MAIL,        /* MAIL FROM */
+  SMTP_RCPT,        /* RCPT TO */
+  SMTP_DATA,
+  SMTP_POSTDATA,
+  SMTP_QUIT,
+  SMTP_LAST         /* never used */
+} smtpstate;
+
+/* This SMTP struct is used in the Curl_easy. All SMTP data that is
+   connection-oriented must be in smtp_conn to properly deal with the fact that
+   perhaps the Curl_easy is changed between the times the connection is
+   used. */
+struct SMTP {
+  curl_pp_transfer transfer;
+  char *custom;            /* Custom Request */
+  struct curl_slist *rcpt; /* Recipient list */
+  size_t eob;              /* Number of bytes of the EOB (End Of Body) that
+                              have been received so far */
+  bool trailing_crlf;      /* Specifies if the tailing CRLF is present */
+};
+
+/* smtp_conn is used for struct connection-oriented data in the connectdata
+   struct */
+struct smtp_conn {
+  struct pingpong pp;
+  smtpstate state;         /* Always use smtp.c:state() to change state! */
+  bool ssldone;            /* Is connect() over SSL done? */
+  char *domain;            /* Client address/name to send in the EHLO */
+  struct SASL sasl;        /* SASL-related storage */
+  bool tls_supported;      /* StartTLS capability supported by server */
+  bool size_supported;     /* If server supports SIZE extension according to
+                              RFC 1870 */
+  bool auth_supported;     /* AUTH capability supported by server */
+};
+
+extern const struct Curl_handler Curl_handler_smtp;
+extern const struct Curl_handler Curl_handler_smtps;
+
+/* this is the 5-bytes End-Of-Body marker for SMTP */
+#define SMTP_EOB "\x0d\x0a\x2e\x0d\x0a"
+#define SMTP_EOB_LEN 5
+#define SMTP_EOB_FIND_LEN 3
+
+/* if found in data, replace it with this string instead */
+#define SMTP_EOB_REPL "\x0d\x0a\x2e\x2e"
+#define SMTP_EOB_REPL_LEN 4
+
+CURLcode Curl_smtp_escape_eob(struct connectdata *conn, const ssize_t nread);
+
+#endif /* HEADER_CURL_SMTP_H */
Index: trunk/src/libs/curl-7.64.0/lib/sockaddr.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/sockaddr.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/sockaddr.h	(revision 85671)
@@ -0,0 +1,42 @@
+#ifndef HEADER_CURL_SOCKADDR_H
+#define HEADER_CURL_SOCKADDR_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+struct Curl_sockaddr_storage {
+  union {
+    struct sockaddr sa;
+    struct sockaddr_in sa_in;
+#ifdef ENABLE_IPV6
+    struct sockaddr_in6 sa_in6;
+#endif
+#ifdef HAVE_STRUCT_SOCKADDR_STORAGE
+    struct sockaddr_storage sa_stor;
+#else
+    char cbuf[256];   /* this should be big enough to fit a lot */
+#endif
+  } buffer;
+};
+
+#endif /* HEADER_CURL_SOCKADDR_H */
Index: trunk/src/libs/curl-7.64.0/lib/socks.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/socks.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/socks.c	(revision 85671)
@@ -0,0 +1,791 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if !defined(CURL_DISABLE_PROXY)
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+
+#include "urldata.h"
+#include "sendf.h"
+#include "select.h"
+#include "connect.h"
+#include "timeval.h"
+#include "socks.h"
+
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/*
+ * Helper read-from-socket functions. Does the same as Curl_read() but it
+ * blocks until all bytes amount of buffersize will be read. No more, no less.
+ *
+ * This is STUPID BLOCKING behaviour which we frown upon, but right now this
+ * is what we have...
+ */
+int Curl_blockread_all(struct connectdata *conn, /* connection data */
+                       curl_socket_t sockfd,     /* read from this socket */
+                       char *buf,                /* store read data here */
+                       ssize_t buffersize,       /* max amount to read */
+                       ssize_t *n)               /* amount bytes read */
+{
+  ssize_t nread;
+  ssize_t allread = 0;
+  int result;
+  *n = 0;
+  for(;;) {
+    timediff_t timeleft = Curl_timeleft(conn->data, NULL, TRUE);
+    if(timeleft < 0) {
+      /* we already got the timeout */
+      result = CURLE_OPERATION_TIMEDOUT;
+      break;
+    }
+    if(SOCKET_READABLE(sockfd, timeleft) <= 0) {
+      result = ~CURLE_OK;
+      break;
+    }
+    result = Curl_read_plain(sockfd, buf, buffersize, &nread);
+    if(CURLE_AGAIN == result)
+      continue;
+    if(result)
+      break;
+
+    if(buffersize == nread) {
+      allread += nread;
+      *n = allread;
+      result = CURLE_OK;
+      break;
+    }
+    if(!nread) {
+      result = ~CURLE_OK;
+      break;
+    }
+
+    buffersize -= nread;
+    buf += nread;
+    allread += nread;
+  }
+  return result;
+}
+
+/*
+* This function logs in to a SOCKS4 proxy and sends the specifics to the final
+* destination server.
+*
+* Reference :
+*   https://www.openssh.com/txt/socks4.protocol
+*
+* Note :
+*   Set protocol4a=true for  "SOCKS 4A (Simple Extension to SOCKS 4 Protocol)"
+*   Nonsupport "Identification Protocol (RFC1413)"
+*/
+CURLcode Curl_SOCKS4(const char *proxy_user,
+                     const char *hostname,
+                     int remote_port,
+                     int sockindex,
+                     struct connectdata *conn)
+{
+  const bool protocol4a =
+    (conn->socks_proxy.proxytype == CURLPROXY_SOCKS4A) ? TRUE : FALSE;
+#define SOCKS4REQLEN 262
+  unsigned char socksreq[SOCKS4REQLEN]; /* room for SOCKS4 request incl. user
+                                           id */
+  CURLcode code;
+  curl_socket_t sock = conn->sock[sockindex];
+  struct Curl_easy *data = conn->data;
+
+  if(Curl_timeleft(data, NULL, TRUE) < 0) {
+    /* time-out, bail out, go home */
+    failf(data, "Connection time-out");
+    return CURLE_OPERATION_TIMEDOUT;
+  }
+
+  if(conn->bits.httpproxy)
+    infof(conn->data, "SOCKS4%s: connecting to HTTP proxy %s port %d\n",
+          protocol4a ? "a" : "", hostname, remote_port);
+
+  (void)curlx_nonblock(sock, FALSE);
+
+  infof(data, "SOCKS4 communication to %s:%d\n", hostname, remote_port);
+
+  /*
+   * Compose socks4 request
+   *
+   * Request format
+   *
+   *     +----+----+----+----+----+----+----+----+----+----+....+----+
+   *     | VN | CD | DSTPORT |      DSTIP        | USERID       |NULL|
+   *     +----+----+----+----+----+----+----+----+----+----+....+----+
+   * # of bytes:  1    1      2              4           variable       1
+   */
+
+  socksreq[0] = 4; /* version (SOCKS4) */
+  socksreq[1] = 1; /* connect */
+  socksreq[2] = (unsigned char)((remote_port >> 8) & 0xff); /* PORT MSB */
+  socksreq[3] = (unsigned char)(remote_port & 0xff);        /* PORT LSB */
+
+  /* DNS resolve only for SOCKS4, not SOCKS4a */
+  if(!protocol4a) {
+    struct Curl_dns_entry *dns;
+    Curl_addrinfo *hp = NULL;
+    int rc;
+
+    rc = Curl_resolv(conn, hostname, remote_port, &dns);
+
+    if(rc == CURLRESOLV_ERROR)
+      return CURLE_COULDNT_RESOLVE_PROXY;
+
+    if(rc == CURLRESOLV_PENDING)
+      /* ignores the return code, but 'dns' remains NULL on failure */
+      (void)Curl_resolver_wait_resolv(conn, &dns);
+
+    /*
+     * We cannot use 'hostent' as a struct that Curl_resolv() returns.  It
+     * returns a Curl_addrinfo pointer that may not always look the same.
+     */
+    if(dns)
+      hp = dns->addr;
+    if(hp) {
+      char buf[64];
+      Curl_printable_address(hp, buf, sizeof(buf));
+
+      if(hp->ai_family == AF_INET) {
+        struct sockaddr_in *saddr_in;
+
+        saddr_in = (struct sockaddr_in *)(void *)hp->ai_addr;
+        socksreq[4] = ((unsigned char *)&saddr_in->sin_addr.s_addr)[0];
+        socksreq[5] = ((unsigned char *)&saddr_in->sin_addr.s_addr)[1];
+        socksreq[6] = ((unsigned char *)&saddr_in->sin_addr.s_addr)[2];
+        socksreq[7] = ((unsigned char *)&saddr_in->sin_addr.s_addr)[3];
+
+        infof(data, "SOCKS4 connect to IPv4 %s (locally resolved)\n", buf);
+      }
+      else {
+        hp = NULL; /* fail! */
+
+        failf(data, "SOCKS4 connection to %s not supported\n", buf);
+      }
+
+      Curl_resolv_unlock(data, dns); /* not used anymore from now on */
+    }
+    if(!hp) {
+      failf(data, "Failed to resolve \"%s\" for SOCKS4 connect.",
+            hostname);
+      return CURLE_COULDNT_RESOLVE_HOST;
+    }
+  }
+
+  /*
+   * This is currently not supporting "Identification Protocol (RFC1413)".
+   */
+  socksreq[8] = 0; /* ensure empty userid is NUL-terminated */
+  if(proxy_user) {
+    size_t plen = strlen(proxy_user);
+    if(plen >= sizeof(socksreq) - 8) {
+      failf(data, "Too long SOCKS proxy name, can't use!\n");
+      return CURLE_COULDNT_CONNECT;
+    }
+    /* copy the proxy name WITH trailing zero */
+    memcpy(socksreq + 8, proxy_user, plen + 1);
+  }
+
+  /*
+   * Make connection
+   */
+  {
+    int result;
+    ssize_t actualread;
+    ssize_t written;
+    ssize_t hostnamelen = 0;
+    ssize_t packetsize = 9 +
+      strlen((char *)socksreq + 8); /* size including NUL */
+
+    /* If SOCKS4a, set special invalid IP address 0.0.0.x */
+    if(protocol4a) {
+      socksreq[4] = 0;
+      socksreq[5] = 0;
+      socksreq[6] = 0;
+      socksreq[7] = 1;
+      /* If still enough room in buffer, also append hostname */
+      hostnamelen = (ssize_t)strlen(hostname) + 1; /* length including NUL */
+      if(packetsize + hostnamelen <= SOCKS4REQLEN)
+        strcpy((char *)socksreq + packetsize, hostname);
+      else
+        hostnamelen = 0; /* Flag: hostname did not fit in buffer */
+    }
+
+    /* Send request */
+    code = Curl_write_plain(conn, sock, (char *)socksreq,
+                            packetsize + hostnamelen,
+                            &written);
+    if(code || (written != packetsize + hostnamelen)) {
+      failf(data, "Failed to send SOCKS4 connect request.");
+      return CURLE_COULDNT_CONNECT;
+    }
+    if(protocol4a && hostnamelen == 0) {
+      /* SOCKS4a with very long hostname - send that name separately */
+      hostnamelen = (ssize_t)strlen(hostname) + 1;
+      code = Curl_write_plain(conn, sock, (char *)hostname, hostnamelen,
+                              &written);
+      if(code || (written != hostnamelen)) {
+        failf(data, "Failed to send SOCKS4 connect request.");
+        return CURLE_COULDNT_CONNECT;
+      }
+    }
+
+    packetsize = 8; /* receive data size */
+
+    /* Receive response */
+    result = Curl_blockread_all(conn, sock, (char *)socksreq, packetsize,
+                                &actualread);
+    if(result || (actualread != packetsize)) {
+      failf(data, "Failed to receive SOCKS4 connect request ack.");
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    /*
+     * Response format
+     *
+     *     +----+----+----+----+----+----+----+----+
+     *     | VN | CD | DSTPORT |      DSTIP        |
+     *     +----+----+----+----+----+----+----+----+
+     * # of bytes:  1    1      2              4
+     *
+     * VN is the version of the reply code and should be 0. CD is the result
+     * code with one of the following values:
+     *
+     * 90: request granted
+     * 91: request rejected or failed
+     * 92: request rejected because SOCKS server cannot connect to
+     *     identd on the client
+     * 93: request rejected because the client program and identd
+     *     report different user-ids
+     */
+
+    /* wrong version ? */
+    if(socksreq[0] != 0) {
+      failf(data,
+            "SOCKS4 reply has wrong version, version should be 4.");
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    /* Result */
+    switch(socksreq[1]) {
+    case 90:
+      infof(data, "SOCKS4%s request granted.\n", protocol4a?"a":"");
+      break;
+    case 91:
+      failf(data,
+            "Can't complete SOCKS4 connection to %d.%d.%d.%d:%d. (%d)"
+            ", request rejected or failed.",
+            (unsigned char)socksreq[4], (unsigned char)socksreq[5],
+            (unsigned char)socksreq[6], (unsigned char)socksreq[7],
+            (((unsigned char)socksreq[2] << 8) | (unsigned char)socksreq[3]),
+            (unsigned char)socksreq[1]);
+      return CURLE_COULDNT_CONNECT;
+    case 92:
+      failf(data,
+            "Can't complete SOCKS4 connection to %d.%d.%d.%d:%d. (%d)"
+            ", request rejected because SOCKS server cannot connect to "
+            "identd on the client.",
+            (unsigned char)socksreq[4], (unsigned char)socksreq[5],
+            (unsigned char)socksreq[6], (unsigned char)socksreq[7],
+            (((unsigned char)socksreq[2] << 8) | (unsigned char)socksreq[3]),
+            (unsigned char)socksreq[1]);
+      return CURLE_COULDNT_CONNECT;
+    case 93:
+      failf(data,
+            "Can't complete SOCKS4 connection to %d.%d.%d.%d:%d. (%d)"
+            ", request rejected because the client program and identd "
+            "report different user-ids.",
+            (unsigned char)socksreq[4], (unsigned char)socksreq[5],
+            (unsigned char)socksreq[6], (unsigned char)socksreq[7],
+            (((unsigned char)socksreq[2] << 8) | (unsigned char)socksreq[3]),
+            (unsigned char)socksreq[1]);
+      return CURLE_COULDNT_CONNECT;
+    default:
+      failf(data,
+            "Can't complete SOCKS4 connection to %d.%d.%d.%d:%d. (%d)"
+            ", Unknown.",
+            (unsigned char)socksreq[4], (unsigned char)socksreq[5],
+            (unsigned char)socksreq[6], (unsigned char)socksreq[7],
+            (((unsigned char)socksreq[2] << 8) | (unsigned char)socksreq[3]),
+            (unsigned char)socksreq[1]);
+      return CURLE_COULDNT_CONNECT;
+    }
+  }
+
+  (void)curlx_nonblock(sock, TRUE);
+
+  return CURLE_OK; /* Proxy was successful! */
+}
+
+/*
+ * This function logs in to a SOCKS5 proxy and sends the specifics to the final
+ * destination server.
+ */
+CURLcode Curl_SOCKS5(const char *proxy_user,
+                     const char *proxy_password,
+                     const char *hostname,
+                     int remote_port,
+                     int sockindex,
+                     struct connectdata *conn)
+{
+  /*
+    According to the RFC1928, section "6.  Replies". This is what a SOCK5
+    replies:
+
+        +----+-----+-------+------+----------+----------+
+        |VER | REP |  RSV  | ATYP | BND.ADDR | BND.PORT |
+        +----+-----+-------+------+----------+----------+
+        | 1  |  1  | X'00' |  1   | Variable |    2     |
+        +----+-----+-------+------+----------+----------+
+
+    Where:
+
+    o  VER    protocol version: X'05'
+    o  REP    Reply field:
+    o  X'00' succeeded
+  */
+
+  unsigned char socksreq[600]; /* room for large user/pw (255 max each) */
+  int idx;
+  ssize_t actualread;
+  ssize_t written;
+  int result;
+  CURLcode code;
+  curl_socket_t sock = conn->sock[sockindex];
+  struct Curl_easy *data = conn->data;
+  timediff_t timeout;
+  bool socks5_resolve_local =
+    (conn->socks_proxy.proxytype == CURLPROXY_SOCKS5) ? TRUE : FALSE;
+  const size_t hostname_len = strlen(hostname);
+  ssize_t len = 0;
+  const unsigned long auth = data->set.socks5auth;
+  bool allow_gssapi = FALSE;
+
+  if(conn->bits.httpproxy)
+    infof(conn->data, "SOCKS5: connecting to HTTP proxy %s port %d\n",
+          hostname, remote_port);
+
+  /* RFC1928 chapter 5 specifies max 255 chars for domain name in packet */
+  if(!socks5_resolve_local && hostname_len > 255) {
+    infof(conn->data, "SOCKS5: server resolving disabled for hostnames of "
+          "length > 255 [actual len=%zu]\n", hostname_len);
+    socks5_resolve_local = TRUE;
+  }
+
+  /* get timeout */
+  timeout = Curl_timeleft(data, NULL, TRUE);
+
+  if(timeout < 0) {
+    /* time-out, bail out, go home */
+    failf(data, "Connection time-out");
+    return CURLE_OPERATION_TIMEDOUT;
+  }
+
+  (void)curlx_nonblock(sock, TRUE);
+
+  /* wait until socket gets connected */
+  result = SOCKET_WRITABLE(sock, timeout);
+
+  if(-1 == result) {
+    failf(conn->data, "SOCKS5: no connection here");
+    return CURLE_COULDNT_CONNECT;
+  }
+  if(0 == result) {
+    failf(conn->data, "SOCKS5: connection timeout");
+    return CURLE_OPERATION_TIMEDOUT;
+  }
+
+  if(result & CURL_CSELECT_ERR) {
+    failf(conn->data, "SOCKS5: error occurred during connection");
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  if(auth & ~(CURLAUTH_BASIC | CURLAUTH_GSSAPI))
+    infof(conn->data,
+        "warning: unsupported value passed to CURLOPT_SOCKS5_AUTH: %lu\n",
+        auth);
+  if(!(auth & CURLAUTH_BASIC))
+    /* disable username/password auth */
+    proxy_user = NULL;
+#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
+  if(auth & CURLAUTH_GSSAPI)
+    allow_gssapi = TRUE;
+#endif
+
+  idx = 0;
+  socksreq[idx++] = 5;   /* version */
+  idx++;                 /* reserve for the number of authentication methods */
+  socksreq[idx++] = 0;   /* no authentication */
+  if(allow_gssapi)
+    socksreq[idx++] = 1; /* GSS-API */
+  if(proxy_user)
+    socksreq[idx++] = 2; /* username/password */
+  /* write the number of authentication methods */
+  socksreq[1] = (unsigned char) (idx - 2);
+
+  (void)curlx_nonblock(sock, FALSE);
+
+  infof(data, "SOCKS5 communication to %s:%d\n", hostname, remote_port);
+
+  code = Curl_write_plain(conn, sock, (char *)socksreq, (2 + (int)socksreq[1]),
+                          &written);
+  if(code || (written != (2 + (int)socksreq[1]))) {
+    failf(data, "Unable to send initial SOCKS5 request.");
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  (void)curlx_nonblock(sock, TRUE);
+
+  result = SOCKET_READABLE(sock, timeout);
+
+  if(-1 == result) {
+    failf(conn->data, "SOCKS5 nothing to read");
+    return CURLE_COULDNT_CONNECT;
+  }
+  if(0 == result) {
+    failf(conn->data, "SOCKS5 read timeout");
+    return CURLE_OPERATION_TIMEDOUT;
+  }
+
+  if(result & CURL_CSELECT_ERR) {
+    failf(conn->data, "SOCKS5 read error occurred");
+    return CURLE_RECV_ERROR;
+  }
+
+  (void)curlx_nonblock(sock, FALSE);
+
+  result = Curl_blockread_all(conn, sock, (char *)socksreq, 2, &actualread);
+  if(result || (actualread != 2)) {
+    failf(data, "Unable to receive initial SOCKS5 response.");
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  if(socksreq[0] != 5) {
+    failf(data, "Received invalid version in initial SOCKS5 response.");
+    return CURLE_COULDNT_CONNECT;
+  }
+  if(socksreq[1] == 0) {
+    /* Nothing to do, no authentication needed */
+    ;
+  }
+#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
+  else if(allow_gssapi && (socksreq[1] == 1)) {
+    code = Curl_SOCKS5_gssapi_negotiate(sockindex, conn);
+    if(code) {
+      failf(data, "Unable to negotiate SOCKS5 GSS-API context.");
+      return CURLE_COULDNT_CONNECT;
+    }
+  }
+#endif
+  else if(socksreq[1] == 2) {
+    /* Needs user name and password */
+    size_t proxy_user_len, proxy_password_len;
+    if(proxy_user && proxy_password) {
+      proxy_user_len = strlen(proxy_user);
+      proxy_password_len = strlen(proxy_password);
+    }
+    else {
+      proxy_user_len = 0;
+      proxy_password_len = 0;
+    }
+
+    /*   username/password request looks like
+     * +----+------+----------+------+----------+
+     * |VER | ULEN |  UNAME   | PLEN |  PASSWD  |
+     * +----+------+----------+------+----------+
+     * | 1  |  1   | 1 to 255 |  1   | 1 to 255 |
+     * +----+------+----------+------+----------+
+     */
+    len = 0;
+    socksreq[len++] = 1;    /* username/pw subnegotiation version */
+    socksreq[len++] = (unsigned char) proxy_user_len;
+    if(proxy_user && proxy_user_len)
+      memcpy(socksreq + len, proxy_user, proxy_user_len);
+    len += proxy_user_len;
+    socksreq[len++] = (unsigned char) proxy_password_len;
+    if(proxy_password && proxy_password_len)
+      memcpy(socksreq + len, proxy_password, proxy_password_len);
+    len += proxy_password_len;
+
+    code = Curl_write_plain(conn, sock, (char *)socksreq, len, &written);
+    if(code || (len != written)) {
+      failf(data, "Failed to send SOCKS5 sub-negotiation request.");
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    result = Curl_blockread_all(conn, sock, (char *)socksreq, 2, &actualread);
+    if(result || (actualread != 2)) {
+      failf(data, "Unable to receive SOCKS5 sub-negotiation response.");
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    /* ignore the first (VER) byte */
+    if(socksreq[1] != 0) { /* status */
+      failf(data, "User was rejected by the SOCKS5 server (%d %d).",
+            socksreq[0], socksreq[1]);
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    /* Everything is good so far, user was authenticated! */
+  }
+  else {
+    /* error */
+    if(!allow_gssapi && (socksreq[1] == 1)) {
+      failf(data,
+            "SOCKS5 GSSAPI per-message authentication is not supported.");
+      return CURLE_COULDNT_CONNECT;
+    }
+    if(socksreq[1] == 255) {
+      if(!proxy_user || !*proxy_user) {
+        failf(data,
+              "No authentication method was acceptable. (It is quite likely"
+              " that the SOCKS5 server wanted a username/password, since none"
+              " was supplied to the server on this connection.)");
+      }
+      else {
+        failf(data, "No authentication method was acceptable.");
+      }
+      return CURLE_COULDNT_CONNECT;
+    }
+    else {
+      failf(data,
+            "Undocumented SOCKS5 mode attempted to be used by server.");
+      return CURLE_COULDNT_CONNECT;
+    }
+  }
+
+  /* Authentication is complete, now specify destination to the proxy */
+  len = 0;
+  socksreq[len++] = 5; /* version (SOCKS5) */
+  socksreq[len++] = 1; /* connect */
+  socksreq[len++] = 0; /* must be zero */
+
+  if(!socks5_resolve_local) {
+    socksreq[len++] = 3; /* ATYP: domain name = 3 */
+    socksreq[len++] = (char) hostname_len; /* address length */
+    memcpy(&socksreq[len], hostname, hostname_len); /* address str w/o NULL */
+    len += hostname_len;
+  }
+  else {
+    struct Curl_dns_entry *dns;
+    Curl_addrinfo *hp = NULL;
+    int rc = Curl_resolv(conn, hostname, remote_port, &dns);
+
+    if(rc == CURLRESOLV_ERROR)
+      return CURLE_COULDNT_RESOLVE_HOST;
+
+    if(rc == CURLRESOLV_PENDING) {
+      /* this requires that we're in "wait for resolve" state */
+      code = Curl_resolver_wait_resolv(conn, &dns);
+      if(code)
+        return code;
+    }
+
+    /*
+     * We cannot use 'hostent' as a struct that Curl_resolv() returns.  It
+     * returns a Curl_addrinfo pointer that may not always look the same.
+     */
+    if(dns)
+      hp = dns->addr;
+    if(hp) {
+      char buf[64];
+      Curl_printable_address(hp, buf, sizeof(buf));
+
+      if(hp->ai_family == AF_INET) {
+        int i;
+        struct sockaddr_in *saddr_in;
+        socksreq[len++] = 1; /* ATYP: IPv4 = 1 */
+
+        saddr_in = (struct sockaddr_in *)(void *)hp->ai_addr;
+        for(i = 0; i < 4; i++) {
+          socksreq[len++] = ((unsigned char *)&saddr_in->sin_addr.s_addr)[i];
+        }
+
+        infof(data, "SOCKS5 connect to IPv4 %s (locally resolved)\n", buf);
+      }
+#ifdef ENABLE_IPV6
+      else if(hp->ai_family == AF_INET6) {
+        int i;
+        struct sockaddr_in6 *saddr_in6;
+        socksreq[len++] = 4; /* ATYP: IPv6 = 4 */
+
+        saddr_in6 = (struct sockaddr_in6 *)(void *)hp->ai_addr;
+        for(i = 0; i < 16; i++) {
+          socksreq[len++] =
+            ((unsigned char *)&saddr_in6->sin6_addr.s6_addr)[i];
+        }
+
+        infof(data, "SOCKS5 connect to IPv6 %s (locally resolved)\n", buf);
+      }
+#endif
+      else {
+        hp = NULL; /* fail! */
+
+        failf(data, "SOCKS5 connection to %s not supported\n", buf);
+      }
+
+      Curl_resolv_unlock(data, dns); /* not used anymore from now on */
+    }
+    if(!hp) {
+      failf(data, "Failed to resolve \"%s\" for SOCKS5 connect.",
+            hostname);
+      return CURLE_COULDNT_RESOLVE_HOST;
+    }
+  }
+
+  socksreq[len++] = (unsigned char)((remote_port >> 8) & 0xff); /* PORT MSB */
+  socksreq[len++] = (unsigned char)(remote_port & 0xff);        /* PORT LSB */
+
+#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
+  if(conn->socks5_gssapi_enctype) {
+    failf(data, "SOCKS5 GSS-API protection not yet implemented.");
+  }
+  else
+#endif
+    code = Curl_write_plain(conn, sock, (char *)socksreq, len, &written);
+
+  if(code || (len != written)) {
+    failf(data, "Failed to send SOCKS5 connect request.");
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  len = 10; /* minimum packet size is 10 */
+
+#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
+  if(conn->socks5_gssapi_enctype) {
+    failf(data, "SOCKS5 GSS-API protection not yet implemented.");
+  }
+  else
+#endif
+    result = Curl_blockread_all(conn, sock, (char *)socksreq,
+                                len, &actualread);
+
+  if(result || (len != actualread)) {
+    failf(data, "Failed to receive SOCKS5 connect request ack.");
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  if(socksreq[0] != 5) { /* version */
+    failf(data,
+          "SOCKS5 reply has wrong version, version should be 5.");
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  /* Fix: in general, returned BND.ADDR is variable length parameter by RFC
+     1928, so the reply packet should be read until the end to avoid errors at
+     subsequent protocol level.
+
+    +----+-----+-------+------+----------+----------+
+    |VER | REP |  RSV  | ATYP | BND.ADDR | BND.PORT |
+    +----+-----+-------+------+----------+----------+
+    | 1  |  1  | X'00' |  1   | Variable |    2     |
+    +----+-----+-------+------+----------+----------+
+
+     ATYP:
+     o  IP v4 address: X'01', BND.ADDR = 4 byte
+     o  domain name:  X'03', BND.ADDR = [ 1 byte length, string ]
+     o  IP v6 address: X'04', BND.ADDR = 16 byte
+     */
+
+  /* Calculate real packet size */
+  if(socksreq[3] == 3) {
+    /* domain name */
+    int addrlen = (int) socksreq[4];
+    len = 5 + addrlen + 2;
+  }
+  else if(socksreq[3] == 4) {
+    /* IPv6 */
+    len = 4 + 16 + 2;
+  }
+
+  /* At this point we already read first 10 bytes */
+#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
+  if(!conn->socks5_gssapi_enctype) {
+    /* decrypt_gssapi_blockread already read the whole packet */
+#endif
+    if(len > 10) {
+      result = Curl_blockread_all(conn, sock, (char *)&socksreq[10],
+                                  len - 10, &actualread);
+      if(result || ((len - 10) != actualread)) {
+        failf(data, "Failed to receive SOCKS5 connect request ack.");
+        return CURLE_COULDNT_CONNECT;
+      }
+    }
+#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
+  }
+#endif
+
+  if(socksreq[1] != 0) { /* Anything besides 0 is an error */
+    if(socksreq[3] == 1) {
+      failf(data,
+            "Can't complete SOCKS5 connection to %d.%d.%d.%d:%d. (%d)",
+            (unsigned char)socksreq[4], (unsigned char)socksreq[5],
+            (unsigned char)socksreq[6], (unsigned char)socksreq[7],
+            (((unsigned char)socksreq[8] << 8) |
+             (unsigned char)socksreq[9]),
+            (unsigned char)socksreq[1]);
+    }
+    else if(socksreq[3] == 3) {
+      unsigned char port_upper = (unsigned char)socksreq[len - 2];
+      socksreq[len - 2] = 0;
+      failf(data,
+            "Can't complete SOCKS5 connection to %s:%d. (%d)",
+            (char *)&socksreq[5],
+            ((port_upper << 8) |
+             (unsigned char)socksreq[len - 1]),
+            (unsigned char)socksreq[1]);
+      socksreq[len - 2] = port_upper;
+    }
+    else if(socksreq[3] == 4) {
+      failf(data,
+            "Can't complete SOCKS5 connection to %02x%02x:%02x%02x:"
+            "%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%d. (%d)",
+            (unsigned char)socksreq[4], (unsigned char)socksreq[5],
+            (unsigned char)socksreq[6], (unsigned char)socksreq[7],
+            (unsigned char)socksreq[8], (unsigned char)socksreq[9],
+            (unsigned char)socksreq[10], (unsigned char)socksreq[11],
+            (unsigned char)socksreq[12], (unsigned char)socksreq[13],
+            (unsigned char)socksreq[14], (unsigned char)socksreq[15],
+            (unsigned char)socksreq[16], (unsigned char)socksreq[17],
+            (unsigned char)socksreq[18], (unsigned char)socksreq[19],
+            (((unsigned char)socksreq[20] << 8) |
+             (unsigned char)socksreq[21]),
+            (unsigned char)socksreq[1]);
+    }
+    return CURLE_COULDNT_CONNECT;
+  }
+  infof(data, "SOCKS5 request granted.\n");
+
+  (void)curlx_nonblock(sock, TRUE);
+  return CURLE_OK; /* Proxy was successful! */
+}
+
+#endif /* CURL_DISABLE_PROXY */
Index: trunk/src/libs/curl-7.64.0/lib/socks.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/socks.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/socks.h	(revision 85671)
@@ -0,0 +1,75 @@
+#ifndef HEADER_CURL_SOCKS_H
+#define HEADER_CURL_SOCKS_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef CURL_DISABLE_PROXY
+#define Curl_SOCKS4(a,b,c,d,e) CURLE_NOT_BUILT_IN
+#define Curl_SOCKS5(a,b,c,d,e,f) CURLE_NOT_BUILT_IN
+#else
+/*
+ * Helper read-from-socket functions. Does the same as Curl_read() but it
+ * blocks until all bytes amount of buffersize will be read. No more, no less.
+ *
+ * This is STUPID BLOCKING behaviour which we frown upon, but right now this
+ * is what we have...
+ */
+int Curl_blockread_all(struct connectdata *conn,
+                       curl_socket_t sockfd,
+                       char *buf,
+                       ssize_t buffersize,
+                       ssize_t *n);
+
+/*
+ * This function logs in to a SOCKS4(a) proxy and sends the specifics to the
+ * final destination server.
+ */
+CURLcode Curl_SOCKS4(const char *proxy_name,
+                     const char *hostname,
+                     int remote_port,
+                     int sockindex,
+                     struct connectdata *conn);
+
+/*
+ * This function logs in to a SOCKS5 proxy and sends the specifics to the
+ * final destination server.
+ */
+CURLcode Curl_SOCKS5(const char *proxy_name,
+                     const char *proxy_password,
+                     const char *hostname,
+                     int remote_port,
+                     int sockindex,
+                     struct connectdata *conn);
+
+#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
+/*
+ * This function handles the SOCKS5 GSS-API negotiation and initialisation
+ */
+CURLcode Curl_SOCKS5_gssapi_negotiate(int sockindex,
+                                      struct connectdata *conn);
+#endif
+
+#endif /* CURL_DISABLE_PROXY */
+
+#endif  /* HEADER_CURL_SOCKS_H */
Index: trunk/src/libs/curl-7.64.0/lib/socks_gssapi.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/socks_gssapi.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/socks_gssapi.c	(revision 85671)
@@ -0,0 +1,527 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2009, Markus Moeller, <markus_moeller@compuserve.com>
+ * Copyright (C) 2012 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(HAVE_GSSAPI) && !defined(CURL_DISABLE_PROXY)
+
+#include "curl_gssapi.h"
+#include "urldata.h"
+#include "sendf.h"
+#include "connect.h"
+#include "timeval.h"
+#include "socks.h"
+#include "warnless.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+static gss_ctx_id_t gss_context = GSS_C_NO_CONTEXT;
+
+/*
+ * Helper GSS-API error functions.
+ */
+static int check_gss_err(struct Curl_easy *data,
+                         OM_uint32 major_status,
+                         OM_uint32 minor_status,
+                         const char *function)
+{
+  if(GSS_ERROR(major_status)) {
+    OM_uint32 maj_stat, min_stat;
+    OM_uint32 msg_ctx = 0;
+    gss_buffer_desc status_string;
+    char buf[1024];
+    size_t len;
+
+    len = 0;
+    msg_ctx = 0;
+    while(!msg_ctx) {
+      /* convert major status code (GSS-API error) to text */
+      maj_stat = gss_display_status(&min_stat, major_status,
+                                    GSS_C_GSS_CODE,
+                                    GSS_C_NULL_OID,
+                                    &msg_ctx, &status_string);
+      if(maj_stat == GSS_S_COMPLETE) {
+        if(sizeof(buf) > len + status_string.length + 1) {
+          strcpy(buf + len, (char *) status_string.value);
+          len += status_string.length;
+        }
+        gss_release_buffer(&min_stat, &status_string);
+        break;
+      }
+      gss_release_buffer(&min_stat, &status_string);
+    }
+    if(sizeof(buf) > len + 3) {
+      strcpy(buf + len, ".\n");
+      len += 2;
+    }
+    msg_ctx = 0;
+    while(!msg_ctx) {
+      /* convert minor status code (underlying routine error) to text */
+      maj_stat = gss_display_status(&min_stat, minor_status,
+                                    GSS_C_MECH_CODE,
+                                    GSS_C_NULL_OID,
+                                    &msg_ctx, &status_string);
+      if(maj_stat == GSS_S_COMPLETE) {
+        if(sizeof(buf) > len + status_string.length)
+          strcpy(buf + len, (char *) status_string.value);
+        gss_release_buffer(&min_stat, &status_string);
+        break;
+      }
+      gss_release_buffer(&min_stat, &status_string);
+    }
+    failf(data, "GSS-API error: %s failed:\n%s", function, buf);
+    return 1;
+  }
+
+  return 0;
+}
+
+CURLcode Curl_SOCKS5_gssapi_negotiate(int sockindex,
+                                      struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+  curl_socket_t sock = conn->sock[sockindex];
+  CURLcode code;
+  ssize_t actualread;
+  ssize_t written;
+  int result;
+  OM_uint32 gss_major_status, gss_minor_status, gss_status;
+  OM_uint32 gss_ret_flags;
+  int gss_conf_state, gss_enc;
+  gss_buffer_desc  service = GSS_C_EMPTY_BUFFER;
+  gss_buffer_desc  gss_send_token = GSS_C_EMPTY_BUFFER;
+  gss_buffer_desc  gss_recv_token = GSS_C_EMPTY_BUFFER;
+  gss_buffer_desc  gss_w_token = GSS_C_EMPTY_BUFFER;
+  gss_buffer_desc* gss_token = GSS_C_NO_BUFFER;
+  gss_name_t       server = GSS_C_NO_NAME;
+  gss_name_t       gss_client_name = GSS_C_NO_NAME;
+  unsigned short   us_length;
+  char             *user = NULL;
+  unsigned char socksreq[4]; /* room for GSS-API exchange header only */
+  const char *serviceptr = data->set.str[STRING_PROXY_SERVICE_NAME] ?
+                           data->set.str[STRING_PROXY_SERVICE_NAME] : "rcmd";
+  const size_t serviceptr_length = strlen(serviceptr);
+
+  /*   GSS-API request looks like
+   * +----+------+-----+----------------+
+   * |VER | MTYP | LEN |     TOKEN      |
+   * +----+------+----------------------+
+   * | 1  |  1   |  2  | up to 2^16 - 1 |
+   * +----+------+-----+----------------+
+   */
+
+  /* prepare service name */
+  if(strchr(serviceptr, '/')) {
+    service.length = serviceptr_length;
+    service.value = malloc(service.length);
+    if(!service.value)
+      return CURLE_OUT_OF_MEMORY;
+    memcpy(service.value, serviceptr, service.length);
+
+    gss_major_status = gss_import_name(&gss_minor_status, &service,
+                                       (gss_OID) GSS_C_NULL_OID, &server);
+  }
+  else {
+    service.value = malloc(serviceptr_length +
+                           strlen(conn->socks_proxy.host.name) + 2);
+    if(!service.value)
+      return CURLE_OUT_OF_MEMORY;
+    service.length = serviceptr_length +
+      strlen(conn->socks_proxy.host.name) + 1;
+    msnprintf(service.value, service.length + 1, "%s@%s",
+              serviceptr, conn->socks_proxy.host.name);
+
+    gss_major_status = gss_import_name(&gss_minor_status, &service,
+                                       GSS_C_NT_HOSTBASED_SERVICE, &server);
+  }
+
+  gss_release_buffer(&gss_status, &service); /* clear allocated memory */
+
+  if(check_gss_err(data, gss_major_status,
+                   gss_minor_status, "gss_import_name()")) {
+    failf(data, "Failed to create service name.");
+    gss_release_name(&gss_status, &server);
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  /* As long as we need to keep sending some context info, and there's no  */
+  /* errors, keep sending it...                                            */
+  for(;;) {
+    gss_major_status = Curl_gss_init_sec_context(data,
+                                                 &gss_minor_status,
+                                                 &gss_context,
+                                                 server,
+                                                 &Curl_krb5_mech_oid,
+                                                 NULL,
+                                                 gss_token,
+                                                 &gss_send_token,
+                                                 TRUE,
+                                                 &gss_ret_flags);
+
+    if(gss_token != GSS_C_NO_BUFFER)
+      gss_release_buffer(&gss_status, &gss_recv_token);
+    if(check_gss_err(data, gss_major_status,
+                     gss_minor_status, "gss_init_sec_context")) {
+      gss_release_name(&gss_status, &server);
+      gss_release_buffer(&gss_status, &gss_recv_token);
+      gss_release_buffer(&gss_status, &gss_send_token);
+      gss_delete_sec_context(&gss_status, &gss_context, NULL);
+      failf(data, "Failed to initial GSS-API token.");
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    if(gss_send_token.length != 0) {
+      socksreq[0] = 1;    /* GSS-API subnegotiation version */
+      socksreq[1] = 1;    /* authentication message type */
+      us_length = htons((short)gss_send_token.length);
+      memcpy(socksreq + 2, &us_length, sizeof(short));
+
+      code = Curl_write_plain(conn, sock, (char *)socksreq, 4, &written);
+      if(code || (4 != written)) {
+        failf(data, "Failed to send GSS-API authentication request.");
+        gss_release_name(&gss_status, &server);
+        gss_release_buffer(&gss_status, &gss_recv_token);
+        gss_release_buffer(&gss_status, &gss_send_token);
+        gss_delete_sec_context(&gss_status, &gss_context, NULL);
+        return CURLE_COULDNT_CONNECT;
+      }
+
+      code = Curl_write_plain(conn, sock, (char *)gss_send_token.value,
+                              gss_send_token.length, &written);
+
+      if(code || ((ssize_t)gss_send_token.length != written)) {
+        failf(data, "Failed to send GSS-API authentication token.");
+        gss_release_name(&gss_status, &server);
+        gss_release_buffer(&gss_status, &gss_recv_token);
+        gss_release_buffer(&gss_status, &gss_send_token);
+        gss_delete_sec_context(&gss_status, &gss_context, NULL);
+        return CURLE_COULDNT_CONNECT;
+      }
+
+    }
+
+    gss_release_buffer(&gss_status, &gss_send_token);
+    gss_release_buffer(&gss_status, &gss_recv_token);
+    if(gss_major_status != GSS_S_CONTINUE_NEEDED) break;
+
+    /* analyse response */
+
+    /*   GSS-API response looks like
+     * +----+------+-----+----------------+
+     * |VER | MTYP | LEN |     TOKEN      |
+     * +----+------+----------------------+
+     * | 1  |  1   |  2  | up to 2^16 - 1 |
+     * +----+------+-----+----------------+
+     */
+
+    result = Curl_blockread_all(conn, sock, (char *)socksreq, 4, &actualread);
+    if(result || (actualread != 4)) {
+      failf(data, "Failed to receive GSS-API authentication response.");
+      gss_release_name(&gss_status, &server);
+      gss_delete_sec_context(&gss_status, &gss_context, NULL);
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    /* ignore the first (VER) byte */
+    if(socksreq[1] == 255) { /* status / message type */
+      failf(data, "User was rejected by the SOCKS5 server (%d %d).",
+            socksreq[0], socksreq[1]);
+      gss_release_name(&gss_status, &server);
+      gss_delete_sec_context(&gss_status, &gss_context, NULL);
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    if(socksreq[1] != 1) { /* status / messgae type */
+      failf(data, "Invalid GSS-API authentication response type (%d %d).",
+            socksreq[0], socksreq[1]);
+      gss_release_name(&gss_status, &server);
+      gss_delete_sec_context(&gss_status, &gss_context, NULL);
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    memcpy(&us_length, socksreq + 2, sizeof(short));
+    us_length = ntohs(us_length);
+
+    gss_recv_token.length = us_length;
+    gss_recv_token.value = malloc(us_length);
+    if(!gss_recv_token.value) {
+      failf(data,
+            "Could not allocate memory for GSS-API authentication "
+            "response token.");
+      gss_release_name(&gss_status, &server);
+      gss_delete_sec_context(&gss_status, &gss_context, NULL);
+      return CURLE_OUT_OF_MEMORY;
+    }
+
+    result = Curl_blockread_all(conn, sock, (char *)gss_recv_token.value,
+                                gss_recv_token.length, &actualread);
+
+    if(result || (actualread != us_length)) {
+      failf(data, "Failed to receive GSS-API authentication token.");
+      gss_release_name(&gss_status, &server);
+      gss_release_buffer(&gss_status, &gss_recv_token);
+      gss_delete_sec_context(&gss_status, &gss_context, NULL);
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    gss_token = &gss_recv_token;
+  }
+
+  gss_release_name(&gss_status, &server);
+
+  /* Everything is good so far, user was authenticated! */
+  gss_major_status = gss_inquire_context(&gss_minor_status, gss_context,
+                                         &gss_client_name, NULL, NULL, NULL,
+                                         NULL, NULL, NULL);
+  if(check_gss_err(data, gss_major_status,
+                   gss_minor_status, "gss_inquire_context")) {
+    gss_delete_sec_context(&gss_status, &gss_context, NULL);
+    gss_release_name(&gss_status, &gss_client_name);
+    failf(data, "Failed to determine user name.");
+    return CURLE_COULDNT_CONNECT;
+  }
+  gss_major_status = gss_display_name(&gss_minor_status, gss_client_name,
+                                      &gss_send_token, NULL);
+  if(check_gss_err(data, gss_major_status,
+                   gss_minor_status, "gss_display_name")) {
+    gss_delete_sec_context(&gss_status, &gss_context, NULL);
+    gss_release_name(&gss_status, &gss_client_name);
+    gss_release_buffer(&gss_status, &gss_send_token);
+    failf(data, "Failed to determine user name.");
+    return CURLE_COULDNT_CONNECT;
+  }
+  user = malloc(gss_send_token.length + 1);
+  if(!user) {
+    gss_delete_sec_context(&gss_status, &gss_context, NULL);
+    gss_release_name(&gss_status, &gss_client_name);
+    gss_release_buffer(&gss_status, &gss_send_token);
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  memcpy(user, gss_send_token.value, gss_send_token.length);
+  user[gss_send_token.length] = '\0';
+  gss_release_name(&gss_status, &gss_client_name);
+  gss_release_buffer(&gss_status, &gss_send_token);
+  infof(data, "SOCKS5 server authencticated user %s with GSS-API.\n",user);
+  free(user);
+  user = NULL;
+
+  /* Do encryption */
+  socksreq[0] = 1;    /* GSS-API subnegotiation version */
+  socksreq[1] = 2;    /* encryption message type */
+
+  gss_enc = 0; /* no data protection */
+  /* do confidentiality protection if supported */
+  if(gss_ret_flags & GSS_C_CONF_FLAG)
+    gss_enc = 2;
+  /* else do integrity protection */
+  else if(gss_ret_flags & GSS_C_INTEG_FLAG)
+    gss_enc = 1;
+
+  infof(data, "SOCKS5 server supports GSS-API %s data protection.\n",
+        (gss_enc == 0)?"no":((gss_enc==1)?"integrity":"confidentiality"));
+  /* force for the moment to no data protection */
+  gss_enc = 0;
+  /*
+   * Sending the encryption type in clear seems wrong. It should be
+   * protected with gss_seal()/gss_wrap(). See RFC1961 extract below
+   * The NEC reference implementations on which this is based is
+   * therefore at fault
+   *
+   *  +------+------+------+.......................+
+   *  + ver  | mtyp | len  |   token               |
+   *  +------+------+------+.......................+
+   *  + 0x01 | 0x02 | 0x02 | up to 2^16 - 1 octets |
+   *  +------+------+------+.......................+
+   *
+   *   Where:
+   *
+   *  - "ver" is the protocol version number, here 1 to represent the
+   *    first version of the SOCKS/GSS-API protocol
+   *
+   *  - "mtyp" is the message type, here 2 to represent a protection
+   *    -level negotiation message
+   *
+   *  - "len" is the length of the "token" field in octets
+   *
+   *  - "token" is the GSS-API encapsulated protection level
+   *
+   * The token is produced by encapsulating an octet containing the
+   * required protection level using gss_seal()/gss_wrap() with conf_req
+   * set to FALSE.  The token is verified using gss_unseal()/
+   * gss_unwrap().
+   *
+   */
+  if(data->set.socks5_gssapi_nec) {
+    us_length = htons((short)1);
+    memcpy(socksreq + 2, &us_length, sizeof(short));
+  }
+  else {
+    gss_send_token.length = 1;
+    gss_send_token.value = malloc(1);
+    if(!gss_send_token.value) {
+      gss_delete_sec_context(&gss_status, &gss_context, NULL);
+      return CURLE_OUT_OF_MEMORY;
+    }
+    memcpy(gss_send_token.value, &gss_enc, 1);
+
+    gss_major_status = gss_wrap(&gss_minor_status, gss_context, 0,
+                                GSS_C_QOP_DEFAULT, &gss_send_token,
+                                &gss_conf_state, &gss_w_token);
+
+    if(check_gss_err(data, gss_major_status, gss_minor_status, "gss_wrap")) {
+      gss_release_buffer(&gss_status, &gss_send_token);
+      gss_release_buffer(&gss_status, &gss_w_token);
+      gss_delete_sec_context(&gss_status, &gss_context, NULL);
+      failf(data, "Failed to wrap GSS-API encryption value into token.");
+      return CURLE_COULDNT_CONNECT;
+    }
+    gss_release_buffer(&gss_status, &gss_send_token);
+
+    us_length = htons((short)gss_w_token.length);
+    memcpy(socksreq + 2, &us_length, sizeof(short));
+  }
+
+  code = Curl_write_plain(conn, sock, (char *)socksreq, 4, &written);
+  if(code  || (4 != written)) {
+    failf(data, "Failed to send GSS-API encryption request.");
+    gss_release_buffer(&gss_status, &gss_w_token);
+    gss_delete_sec_context(&gss_status, &gss_context, NULL);
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  if(data->set.socks5_gssapi_nec) {
+    memcpy(socksreq, &gss_enc, 1);
+    code = Curl_write_plain(conn, sock, socksreq, 1, &written);
+    if(code || ( 1 != written)) {
+      failf(data, "Failed to send GSS-API encryption type.");
+      gss_delete_sec_context(&gss_status, &gss_context, NULL);
+      return CURLE_COULDNT_CONNECT;
+    }
+  }
+  else {
+    code = Curl_write_plain(conn, sock, (char *)gss_w_token.value,
+                            gss_w_token.length, &written);
+    if(code || ((ssize_t)gss_w_token.length != written)) {
+      failf(data, "Failed to send GSS-API encryption type.");
+      gss_release_buffer(&gss_status, &gss_w_token);
+      gss_delete_sec_context(&gss_status, &gss_context, NULL);
+      return CURLE_COULDNT_CONNECT;
+    }
+    gss_release_buffer(&gss_status, &gss_w_token);
+  }
+
+  result = Curl_blockread_all(conn, sock, (char *)socksreq, 4, &actualread);
+  if(result || (actualread != 4)) {
+    failf(data, "Failed to receive GSS-API encryption response.");
+    gss_delete_sec_context(&gss_status, &gss_context, NULL);
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  /* ignore the first (VER) byte */
+  if(socksreq[1] == 255) { /* status / message type */
+    failf(data, "User was rejected by the SOCKS5 server (%d %d).",
+          socksreq[0], socksreq[1]);
+    gss_delete_sec_context(&gss_status, &gss_context, NULL);
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  if(socksreq[1] != 2) { /* status / messgae type */
+    failf(data, "Invalid GSS-API encryption response type (%d %d).",
+          socksreq[0], socksreq[1]);
+    gss_delete_sec_context(&gss_status, &gss_context, NULL);
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  memcpy(&us_length, socksreq + 2, sizeof(short));
+  us_length = ntohs(us_length);
+
+  gss_recv_token.length = us_length;
+  gss_recv_token.value = malloc(gss_recv_token.length);
+  if(!gss_recv_token.value) {
+    gss_delete_sec_context(&gss_status, &gss_context, NULL);
+    return CURLE_OUT_OF_MEMORY;
+  }
+  result = Curl_blockread_all(conn, sock, (char *)gss_recv_token.value,
+                              gss_recv_token.length, &actualread);
+
+  if(result || (actualread != us_length)) {
+    failf(data, "Failed to receive GSS-API encryptrion type.");
+    gss_release_buffer(&gss_status, &gss_recv_token);
+    gss_delete_sec_context(&gss_status, &gss_context, NULL);
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  if(!data->set.socks5_gssapi_nec) {
+    gss_major_status = gss_unwrap(&gss_minor_status, gss_context,
+                                  &gss_recv_token, &gss_w_token,
+                                  0, GSS_C_QOP_DEFAULT);
+
+    if(check_gss_err(data, gss_major_status, gss_minor_status, "gss_unwrap")) {
+      gss_release_buffer(&gss_status, &gss_recv_token);
+      gss_release_buffer(&gss_status, &gss_w_token);
+      gss_delete_sec_context(&gss_status, &gss_context, NULL);
+      failf(data, "Failed to unwrap GSS-API encryption value into token.");
+      return CURLE_COULDNT_CONNECT;
+    }
+    gss_release_buffer(&gss_status, &gss_recv_token);
+
+    if(gss_w_token.length != 1) {
+      failf(data, "Invalid GSS-API encryption response length (%d).",
+            gss_w_token.length);
+      gss_release_buffer(&gss_status, &gss_w_token);
+      gss_delete_sec_context(&gss_status, &gss_context, NULL);
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    memcpy(socksreq, gss_w_token.value, gss_w_token.length);
+    gss_release_buffer(&gss_status, &gss_w_token);
+  }
+  else {
+    if(gss_recv_token.length != 1) {
+      failf(data, "Invalid GSS-API encryption response length (%d).",
+            gss_recv_token.length);
+      gss_release_buffer(&gss_status, &gss_recv_token);
+      gss_delete_sec_context(&gss_status, &gss_context, NULL);
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    memcpy(socksreq, gss_recv_token.value, gss_recv_token.length);
+    gss_release_buffer(&gss_status, &gss_recv_token);
+  }
+
+  infof(data, "SOCKS5 access with%s protection granted.\n",
+        (socksreq[0] == 0)?"out GSS-API data":
+        ((socksreq[0] == 1)?" GSS-API integrity":" GSS-API confidentiality"));
+
+  conn->socks5_gssapi_enctype = socksreq[0];
+  if(socksreq[0] == 0)
+    gss_delete_sec_context(&gss_status, &gss_context, NULL);
+
+  return CURLE_OK;
+}
+
+#endif /* HAVE_GSSAPI && !CURL_DISABLE_PROXY */
Index: trunk/src/libs/curl-7.64.0/lib/socks_sspi.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/socks_sspi.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/socks_sspi.c	(revision 85671)
@@ -0,0 +1,605 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2012 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2009, 2011, Markus Moeller, <markus_moeller@compuserve.com>
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(USE_WINDOWS_SSPI) && !defined(CURL_DISABLE_PROXY)
+
+#include "urldata.h"
+#include "sendf.h"
+#include "connect.h"
+#include "strerror.h"
+#include "timeval.h"
+#include "socks.h"
+#include "curl_sspi.h"
+#include "curl_multibyte.h"
+#include "warnless.h"
+#include "strdup.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Helper sspi error functions.
+ */
+static int check_sspi_err(struct connectdata *conn,
+                          SECURITY_STATUS status,
+                          const char *function)
+{
+  if(status != SEC_E_OK &&
+     status != SEC_I_COMPLETE_AND_CONTINUE &&
+     status != SEC_I_COMPLETE_NEEDED &&
+     status != SEC_I_CONTINUE_NEEDED) {
+    failf(conn->data, "SSPI error: %s failed: %s", function,
+          Curl_sspi_strerror(conn, status));
+    return 1;
+  }
+  return 0;
+}
+
+/* This is the SSPI-using version of this function */
+CURLcode Curl_SOCKS5_gssapi_negotiate(int sockindex,
+                                      struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+  curl_socket_t sock = conn->sock[sockindex];
+  CURLcode code;
+  ssize_t actualread;
+  ssize_t written;
+  int result;
+  /* Needs GSS-API authentication */
+  SECURITY_STATUS status;
+  unsigned long sspi_ret_flags = 0;
+  unsigned char gss_enc;
+  SecBuffer sspi_send_token, sspi_recv_token, sspi_w_token[3];
+  SecBufferDesc input_desc, output_desc, wrap_desc;
+  SecPkgContext_Sizes sspi_sizes;
+  CredHandle cred_handle;
+  CtxtHandle sspi_context;
+  PCtxtHandle context_handle = NULL;
+  SecPkgCredentials_Names names;
+  TimeStamp expiry;
+  char *service_name = NULL;
+  unsigned short us_length;
+  unsigned long qop;
+  unsigned char socksreq[4]; /* room for GSS-API exchange header only */
+  const char *service = data->set.str[STRING_PROXY_SERVICE_NAME] ?
+                        data->set.str[STRING_PROXY_SERVICE_NAME]  : "rcmd";
+  const size_t service_length = strlen(service);
+
+  /*   GSS-API request looks like
+   * +----+------+-----+----------------+
+   * |VER | MTYP | LEN |     TOKEN      |
+   * +----+------+----------------------+
+   * | 1  |  1   |  2  | up to 2^16 - 1 |
+   * +----+------+-----+----------------+
+   */
+
+  /* prepare service name */
+  if(strchr(service, '/')) {
+    service_name = strdup(service);
+    if(!service_name)
+      return CURLE_OUT_OF_MEMORY;
+  }
+  else {
+    service_name = malloc(service_length +
+                          strlen(conn->socks_proxy.host.name) + 2);
+    if(!service_name)
+      return CURLE_OUT_OF_MEMORY;
+    msnprintf(service_name, service_length +
+              strlen(conn->socks_proxy.host.name) + 2, "%s/%s",
+              service, conn->socks_proxy.host.name);
+  }
+
+  input_desc.cBuffers = 1;
+  input_desc.pBuffers = &sspi_recv_token;
+  input_desc.ulVersion = SECBUFFER_VERSION;
+
+  sspi_recv_token.BufferType = SECBUFFER_TOKEN;
+  sspi_recv_token.cbBuffer = 0;
+  sspi_recv_token.pvBuffer = NULL;
+
+  output_desc.cBuffers = 1;
+  output_desc.pBuffers = &sspi_send_token;
+  output_desc.ulVersion = SECBUFFER_VERSION;
+
+  sspi_send_token.BufferType = SECBUFFER_TOKEN;
+  sspi_send_token.cbBuffer = 0;
+  sspi_send_token.pvBuffer = NULL;
+
+  wrap_desc.cBuffers = 3;
+  wrap_desc.pBuffers = sspi_w_token;
+  wrap_desc.ulVersion = SECBUFFER_VERSION;
+
+  cred_handle.dwLower = 0;
+  cred_handle.dwUpper = 0;
+
+  status = s_pSecFn->AcquireCredentialsHandle(NULL,
+                                              (TCHAR *) TEXT("Kerberos"),
+                                              SECPKG_CRED_OUTBOUND,
+                                              NULL,
+                                              NULL,
+                                              NULL,
+                                              NULL,
+                                              &cred_handle,
+                                              &expiry);
+
+  if(check_sspi_err(conn, status, "AcquireCredentialsHandle")) {
+    failf(data, "Failed to acquire credentials.");
+    free(service_name);
+    s_pSecFn->FreeCredentialsHandle(&cred_handle);
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  /* As long as we need to keep sending some context info, and there's no  */
+  /* errors, keep sending it...                                            */
+  for(;;) {
+    TCHAR *sname;
+
+    sname = Curl_convert_UTF8_to_tchar(service_name);
+    if(!sname)
+      return CURLE_OUT_OF_MEMORY;
+
+    status = s_pSecFn->InitializeSecurityContext(&cred_handle,
+                                                 context_handle,
+                                                 sname,
+                                                 ISC_REQ_MUTUAL_AUTH |
+                                                 ISC_REQ_ALLOCATE_MEMORY |
+                                                 ISC_REQ_CONFIDENTIALITY |
+                                                 ISC_REQ_REPLAY_DETECT,
+                                                 0,
+                                                 SECURITY_NATIVE_DREP,
+                                                 &input_desc,
+                                                 0,
+                                                 &sspi_context,
+                                                 &output_desc,
+                                                 &sspi_ret_flags,
+                                                 &expiry);
+
+    Curl_unicodefree(sname);
+
+    if(sspi_recv_token.pvBuffer) {
+      s_pSecFn->FreeContextBuffer(sspi_recv_token.pvBuffer);
+      sspi_recv_token.pvBuffer = NULL;
+      sspi_recv_token.cbBuffer = 0;
+    }
+
+    if(check_sspi_err(conn, status, "InitializeSecurityContext")) {
+      free(service_name);
+      s_pSecFn->FreeCredentialsHandle(&cred_handle);
+      s_pSecFn->DeleteSecurityContext(&sspi_context);
+      if(sspi_recv_token.pvBuffer)
+        s_pSecFn->FreeContextBuffer(sspi_recv_token.pvBuffer);
+      failf(data, "Failed to initialise security context.");
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    if(sspi_send_token.cbBuffer != 0) {
+      socksreq[0] = 1;    /* GSS-API subnegotiation version */
+      socksreq[1] = 1;    /* authentication message type */
+      us_length = htons((short)sspi_send_token.cbBuffer);
+      memcpy(socksreq + 2, &us_length, sizeof(short));
+
+      code = Curl_write_plain(conn, sock, (char *)socksreq, 4, &written);
+      if(code || (4 != written)) {
+        failf(data, "Failed to send SSPI authentication request.");
+        free(service_name);
+        if(sspi_send_token.pvBuffer)
+          s_pSecFn->FreeContextBuffer(sspi_send_token.pvBuffer);
+        if(sspi_recv_token.pvBuffer)
+          s_pSecFn->FreeContextBuffer(sspi_recv_token.pvBuffer);
+        s_pSecFn->FreeCredentialsHandle(&cred_handle);
+        s_pSecFn->DeleteSecurityContext(&sspi_context);
+        return CURLE_COULDNT_CONNECT;
+      }
+
+      code = Curl_write_plain(conn, sock, (char *)sspi_send_token.pvBuffer,
+                              sspi_send_token.cbBuffer, &written);
+      if(code || (sspi_send_token.cbBuffer != (size_t)written)) {
+        failf(data, "Failed to send SSPI authentication token.");
+        free(service_name);
+        if(sspi_send_token.pvBuffer)
+          s_pSecFn->FreeContextBuffer(sspi_send_token.pvBuffer);
+        if(sspi_recv_token.pvBuffer)
+          s_pSecFn->FreeContextBuffer(sspi_recv_token.pvBuffer);
+        s_pSecFn->FreeCredentialsHandle(&cred_handle);
+        s_pSecFn->DeleteSecurityContext(&sspi_context);
+        return CURLE_COULDNT_CONNECT;
+      }
+
+    }
+
+    if(sspi_send_token.pvBuffer) {
+      s_pSecFn->FreeContextBuffer(sspi_send_token.pvBuffer);
+      sspi_send_token.pvBuffer = NULL;
+    }
+    sspi_send_token.cbBuffer = 0;
+
+    if(sspi_recv_token.pvBuffer) {
+      s_pSecFn->FreeContextBuffer(sspi_recv_token.pvBuffer);
+      sspi_recv_token.pvBuffer = NULL;
+    }
+    sspi_recv_token.cbBuffer = 0;
+
+    if(status != SEC_I_CONTINUE_NEEDED)
+      break;
+
+    /* analyse response */
+
+    /*   GSS-API response looks like
+     * +----+------+-----+----------------+
+     * |VER | MTYP | LEN |     TOKEN      |
+     * +----+------+----------------------+
+     * | 1  |  1   |  2  | up to 2^16 - 1 |
+     * +----+------+-----+----------------+
+     */
+
+    result = Curl_blockread_all(conn, sock, (char *)socksreq, 4, &actualread);
+    if(result || (actualread != 4)) {
+      failf(data, "Failed to receive SSPI authentication response.");
+      free(service_name);
+      s_pSecFn->FreeCredentialsHandle(&cred_handle);
+      s_pSecFn->DeleteSecurityContext(&sspi_context);
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    /* ignore the first (VER) byte */
+    if(socksreq[1] == 255) { /* status / message type */
+      failf(data, "User was rejected by the SOCKS5 server (%u %u).",
+            (unsigned int)socksreq[0], (unsigned int)socksreq[1]);
+      free(service_name);
+      s_pSecFn->FreeCredentialsHandle(&cred_handle);
+      s_pSecFn->DeleteSecurityContext(&sspi_context);
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    if(socksreq[1] != 1) { /* status / messgae type */
+      failf(data, "Invalid SSPI authentication response type (%u %u).",
+            (unsigned int)socksreq[0], (unsigned int)socksreq[1]);
+      free(service_name);
+      s_pSecFn->FreeCredentialsHandle(&cred_handle);
+      s_pSecFn->DeleteSecurityContext(&sspi_context);
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    memcpy(&us_length, socksreq + 2, sizeof(short));
+    us_length = ntohs(us_length);
+
+    sspi_recv_token.cbBuffer = us_length;
+    sspi_recv_token.pvBuffer = malloc(us_length);
+
+    if(!sspi_recv_token.pvBuffer) {
+      free(service_name);
+      s_pSecFn->FreeCredentialsHandle(&cred_handle);
+      s_pSecFn->DeleteSecurityContext(&sspi_context);
+      return CURLE_OUT_OF_MEMORY;
+    }
+    result = Curl_blockread_all(conn, sock, (char *)sspi_recv_token.pvBuffer,
+                                sspi_recv_token.cbBuffer, &actualread);
+
+    if(result || (actualread != us_length)) {
+      failf(data, "Failed to receive SSPI authentication token.");
+      free(service_name);
+      if(sspi_recv_token.pvBuffer)
+        s_pSecFn->FreeContextBuffer(sspi_recv_token.pvBuffer);
+      s_pSecFn->FreeCredentialsHandle(&cred_handle);
+      s_pSecFn->DeleteSecurityContext(&sspi_context);
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    context_handle = &sspi_context;
+  }
+
+  free(service_name);
+
+  /* Everything is good so far, user was authenticated! */
+  status = s_pSecFn->QueryCredentialsAttributes(&cred_handle,
+                                                SECPKG_CRED_ATTR_NAMES,
+                                                &names);
+  s_pSecFn->FreeCredentialsHandle(&cred_handle);
+  if(check_sspi_err(conn, status, "QueryCredentialAttributes")) {
+    s_pSecFn->DeleteSecurityContext(&sspi_context);
+    s_pSecFn->FreeContextBuffer(names.sUserName);
+    failf(data, "Failed to determine user name.");
+    return CURLE_COULDNT_CONNECT;
+  }
+  infof(data, "SOCKS5 server authencticated user %s with GSS-API.\n",
+        names.sUserName);
+  s_pSecFn->FreeContextBuffer(names.sUserName);
+
+  /* Do encryption */
+  socksreq[0] = 1;    /* GSS-API subnegotiation version */
+  socksreq[1] = 2;    /* encryption message type */
+
+  gss_enc = 0; /* no data protection */
+  /* do confidentiality protection if supported */
+  if(sspi_ret_flags & ISC_REQ_CONFIDENTIALITY)
+    gss_enc = 2;
+  /* else do integrity protection */
+  else if(sspi_ret_flags & ISC_REQ_INTEGRITY)
+    gss_enc = 1;
+
+  infof(data, "SOCKS5 server supports GSS-API %s data protection.\n",
+        (gss_enc == 0)?"no":((gss_enc == 1)?"integrity":"confidentiality") );
+  /* force to no data protection, avoid encryption/decryption for now */
+  gss_enc = 0;
+  /*
+   * Sending the encryption type in clear seems wrong. It should be
+   * protected with gss_seal()/gss_wrap(). See RFC1961 extract below
+   * The NEC reference implementations on which this is based is
+   * therefore at fault
+   *
+   *  +------+------+------+.......................+
+   *  + ver  | mtyp | len  |   token               |
+   *  +------+------+------+.......................+
+   *  + 0x01 | 0x02 | 0x02 | up to 2^16 - 1 octets |
+   *  +------+------+------+.......................+
+   *
+   *   Where:
+   *
+   *  - "ver" is the protocol version number, here 1 to represent the
+   *    first version of the SOCKS/GSS-API protocol
+   *
+   *  - "mtyp" is the message type, here 2 to represent a protection
+   *    -level negotiation message
+   *
+   *  - "len" is the length of the "token" field in octets
+   *
+   *  - "token" is the GSS-API encapsulated protection level
+   *
+   * The token is produced by encapsulating an octet containing the
+   * required protection level using gss_seal()/gss_wrap() with conf_req
+   * set to FALSE.  The token is verified using gss_unseal()/
+   * gss_unwrap().
+   *
+   */
+
+  if(data->set.socks5_gssapi_nec) {
+    us_length = htons((short)1);
+    memcpy(socksreq + 2, &us_length, sizeof(short));
+  }
+  else {
+    status = s_pSecFn->QueryContextAttributes(&sspi_context,
+                                              SECPKG_ATTR_SIZES,
+                                              &sspi_sizes);
+    if(check_sspi_err(conn, status, "QueryContextAttributes")) {
+      s_pSecFn->DeleteSecurityContext(&sspi_context);
+      failf(data, "Failed to query security context attributes.");
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    sspi_w_token[0].cbBuffer = sspi_sizes.cbSecurityTrailer;
+    sspi_w_token[0].BufferType = SECBUFFER_TOKEN;
+    sspi_w_token[0].pvBuffer = malloc(sspi_sizes.cbSecurityTrailer);
+
+    if(!sspi_w_token[0].pvBuffer) {
+      s_pSecFn->DeleteSecurityContext(&sspi_context);
+      return CURLE_OUT_OF_MEMORY;
+    }
+
+    sspi_w_token[1].cbBuffer = 1;
+    sspi_w_token[1].pvBuffer = malloc(1);
+    if(!sspi_w_token[1].pvBuffer) {
+      s_pSecFn->FreeContextBuffer(sspi_w_token[0].pvBuffer);
+      s_pSecFn->DeleteSecurityContext(&sspi_context);
+      return CURLE_OUT_OF_MEMORY;
+    }
+
+    memcpy(sspi_w_token[1].pvBuffer, &gss_enc, 1);
+    sspi_w_token[2].BufferType = SECBUFFER_PADDING;
+    sspi_w_token[2].cbBuffer = sspi_sizes.cbBlockSize;
+    sspi_w_token[2].pvBuffer = malloc(sspi_sizes.cbBlockSize);
+    if(!sspi_w_token[2].pvBuffer) {
+      s_pSecFn->FreeContextBuffer(sspi_w_token[0].pvBuffer);
+      s_pSecFn->FreeContextBuffer(sspi_w_token[1].pvBuffer);
+      s_pSecFn->DeleteSecurityContext(&sspi_context);
+      return CURLE_OUT_OF_MEMORY;
+    }
+    status = s_pSecFn->EncryptMessage(&sspi_context,
+                                      KERB_WRAP_NO_ENCRYPT,
+                                      &wrap_desc,
+                                      0);
+    if(check_sspi_err(conn, status, "EncryptMessage")) {
+      s_pSecFn->FreeContextBuffer(sspi_w_token[0].pvBuffer);
+      s_pSecFn->FreeContextBuffer(sspi_w_token[1].pvBuffer);
+      s_pSecFn->FreeContextBuffer(sspi_w_token[2].pvBuffer);
+      s_pSecFn->DeleteSecurityContext(&sspi_context);
+      failf(data, "Failed to query security context attributes.");
+      return CURLE_COULDNT_CONNECT;
+    }
+    sspi_send_token.cbBuffer = sspi_w_token[0].cbBuffer
+      + sspi_w_token[1].cbBuffer
+      + sspi_w_token[2].cbBuffer;
+    sspi_send_token.pvBuffer = malloc(sspi_send_token.cbBuffer);
+    if(!sspi_send_token.pvBuffer) {
+      s_pSecFn->FreeContextBuffer(sspi_w_token[0].pvBuffer);
+      s_pSecFn->FreeContextBuffer(sspi_w_token[1].pvBuffer);
+      s_pSecFn->FreeContextBuffer(sspi_w_token[2].pvBuffer);
+      s_pSecFn->DeleteSecurityContext(&sspi_context);
+      return CURLE_OUT_OF_MEMORY;
+    }
+
+    memcpy(sspi_send_token.pvBuffer, sspi_w_token[0].pvBuffer,
+           sspi_w_token[0].cbBuffer);
+    memcpy((PUCHAR) sspi_send_token.pvBuffer +(int)sspi_w_token[0].cbBuffer,
+           sspi_w_token[1].pvBuffer, sspi_w_token[1].cbBuffer);
+    memcpy((PUCHAR) sspi_send_token.pvBuffer
+           + sspi_w_token[0].cbBuffer
+           + sspi_w_token[1].cbBuffer,
+           sspi_w_token[2].pvBuffer, sspi_w_token[2].cbBuffer);
+
+    s_pSecFn->FreeContextBuffer(sspi_w_token[0].pvBuffer);
+    sspi_w_token[0].pvBuffer = NULL;
+    sspi_w_token[0].cbBuffer = 0;
+    s_pSecFn->FreeContextBuffer(sspi_w_token[1].pvBuffer);
+    sspi_w_token[1].pvBuffer = NULL;
+    sspi_w_token[1].cbBuffer = 0;
+    s_pSecFn->FreeContextBuffer(sspi_w_token[2].pvBuffer);
+    sspi_w_token[2].pvBuffer = NULL;
+    sspi_w_token[2].cbBuffer = 0;
+
+    us_length = htons((short)sspi_send_token.cbBuffer);
+    memcpy(socksreq + 2, &us_length, sizeof(short));
+  }
+
+  code = Curl_write_plain(conn, sock, (char *)socksreq, 4, &written);
+  if(code || (4 != written)) {
+    failf(data, "Failed to send SSPI encryption request.");
+    if(sspi_send_token.pvBuffer)
+      s_pSecFn->FreeContextBuffer(sspi_send_token.pvBuffer);
+    s_pSecFn->DeleteSecurityContext(&sspi_context);
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  if(data->set.socks5_gssapi_nec) {
+    memcpy(socksreq, &gss_enc, 1);
+    code = Curl_write_plain(conn, sock, (char *)socksreq, 1, &written);
+    if(code || (1 != written)) {
+      failf(data, "Failed to send SSPI encryption type.");
+      s_pSecFn->DeleteSecurityContext(&sspi_context);
+      return CURLE_COULDNT_CONNECT;
+    }
+  }
+  else {
+    code = Curl_write_plain(conn, sock, (char *)sspi_send_token.pvBuffer,
+                            sspi_send_token.cbBuffer, &written);
+    if(code || (sspi_send_token.cbBuffer != (size_t)written)) {
+      failf(data, "Failed to send SSPI encryption type.");
+      if(sspi_send_token.pvBuffer)
+        s_pSecFn->FreeContextBuffer(sspi_send_token.pvBuffer);
+      s_pSecFn->DeleteSecurityContext(&sspi_context);
+      return CURLE_COULDNT_CONNECT;
+    }
+    if(sspi_send_token.pvBuffer)
+      s_pSecFn->FreeContextBuffer(sspi_send_token.pvBuffer);
+  }
+
+  result = Curl_blockread_all(conn, sock, (char *)socksreq, 4, &actualread);
+  if(result || (actualread != 4)) {
+    failf(data, "Failed to receive SSPI encryption response.");
+    s_pSecFn->DeleteSecurityContext(&sspi_context);
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  /* ignore the first (VER) byte */
+  if(socksreq[1] == 255) { /* status / message type */
+    failf(data, "User was rejected by the SOCKS5 server (%u %u).",
+          (unsigned int)socksreq[0], (unsigned int)socksreq[1]);
+    s_pSecFn->DeleteSecurityContext(&sspi_context);
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  if(socksreq[1] != 2) { /* status / message type */
+    failf(data, "Invalid SSPI encryption response type (%u %u).",
+          (unsigned int)socksreq[0], (unsigned int)socksreq[1]);
+    s_pSecFn->DeleteSecurityContext(&sspi_context);
+    return CURLE_COULDNT_CONNECT;
+  }
+
+  memcpy(&us_length, socksreq + 2, sizeof(short));
+  us_length = ntohs(us_length);
+
+  sspi_w_token[0].cbBuffer = us_length;
+  sspi_w_token[0].pvBuffer = malloc(us_length);
+  if(!sspi_w_token[0].pvBuffer) {
+    s_pSecFn->DeleteSecurityContext(&sspi_context);
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  result = Curl_blockread_all(conn, sock, (char *)sspi_w_token[0].pvBuffer,
+                              sspi_w_token[0].cbBuffer, &actualread);
+
+  if(result || (actualread != us_length)) {
+    failf(data, "Failed to receive SSPI encryption type.");
+    s_pSecFn->FreeContextBuffer(sspi_w_token[0].pvBuffer);
+    s_pSecFn->DeleteSecurityContext(&sspi_context);
+    return CURLE_COULDNT_CONNECT;
+  }
+
+
+  if(!data->set.socks5_gssapi_nec) {
+    wrap_desc.cBuffers = 2;
+    sspi_w_token[0].BufferType = SECBUFFER_STREAM;
+    sspi_w_token[1].BufferType = SECBUFFER_DATA;
+    sspi_w_token[1].cbBuffer = 0;
+    sspi_w_token[1].pvBuffer = NULL;
+
+    status = s_pSecFn->DecryptMessage(&sspi_context,
+                                      &wrap_desc,
+                                      0,
+                                      &qop);
+
+    if(check_sspi_err(conn, status, "DecryptMessage")) {
+      if(sspi_w_token[0].pvBuffer)
+        s_pSecFn->FreeContextBuffer(sspi_w_token[0].pvBuffer);
+      if(sspi_w_token[1].pvBuffer)
+        s_pSecFn->FreeContextBuffer(sspi_w_token[1].pvBuffer);
+      s_pSecFn->DeleteSecurityContext(&sspi_context);
+      failf(data, "Failed to query security context attributes.");
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    if(sspi_w_token[1].cbBuffer != 1) {
+      failf(data, "Invalid SSPI encryption response length (%lu).",
+            (unsigned long)sspi_w_token[1].cbBuffer);
+      if(sspi_w_token[0].pvBuffer)
+        s_pSecFn->FreeContextBuffer(sspi_w_token[0].pvBuffer);
+      if(sspi_w_token[1].pvBuffer)
+        s_pSecFn->FreeContextBuffer(sspi_w_token[1].pvBuffer);
+      s_pSecFn->DeleteSecurityContext(&sspi_context);
+      return CURLE_COULDNT_CONNECT;
+    }
+
+    memcpy(socksreq, sspi_w_token[1].pvBuffer, sspi_w_token[1].cbBuffer);
+    s_pSecFn->FreeContextBuffer(sspi_w_token[0].pvBuffer);
+    s_pSecFn->FreeContextBuffer(sspi_w_token[1].pvBuffer);
+  }
+  else {
+    if(sspi_w_token[0].cbBuffer != 1) {
+      failf(data, "Invalid SSPI encryption response length (%lu).",
+            (unsigned long)sspi_w_token[0].cbBuffer);
+      s_pSecFn->FreeContextBuffer(sspi_w_token[0].pvBuffer);
+      s_pSecFn->DeleteSecurityContext(&sspi_context);
+      return CURLE_COULDNT_CONNECT;
+    }
+    memcpy(socksreq, sspi_w_token[0].pvBuffer, sspi_w_token[0].cbBuffer);
+    s_pSecFn->FreeContextBuffer(sspi_w_token[0].pvBuffer);
+  }
+
+  infof(data, "SOCKS5 access with%s protection granted.\n",
+        (socksreq[0] == 0)?"out GSS-API data":
+        ((socksreq[0] == 1)?" GSS-API integrity":" GSS-API confidentiality"));
+
+  /* For later use if encryption is required
+     conn->socks5_gssapi_enctype = socksreq[0];
+     if(socksreq[0] != 0)
+       conn->socks5_sspi_context = sspi_context;
+     else {
+       s_pSecFn->DeleteSecurityContext(&sspi_context);
+       conn->socks5_sspi_context = sspi_context;
+     }
+  */
+  return CURLE_OK;
+}
+#endif
Index: trunk/src/libs/curl-7.64.0/lib/speedcheck.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/speedcheck.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/speedcheck.c	(revision 85671)
@@ -0,0 +1,73 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+#include "urldata.h"
+#include "sendf.h"
+#include "multiif.h"
+#include "speedcheck.h"
+
+void Curl_speedinit(struct Curl_easy *data)
+{
+  memset(&data->state.keeps_speed, 0, sizeof(struct curltime));
+}
+
+/*
+ * @unittest: 1606
+ */
+CURLcode Curl_speedcheck(struct Curl_easy *data,
+                         struct curltime now)
+{
+  if((data->progress.current_speed >= 0) && data->set.low_speed_time) {
+    if(data->progress.current_speed < data->set.low_speed_limit) {
+      if(!data->state.keeps_speed.tv_sec)
+        /* under the limit at this very moment */
+        data->state.keeps_speed = now;
+      else {
+        /* how long has it been under the limit */
+        timediff_t howlong = Curl_timediff(now, data->state.keeps_speed);
+
+        if(howlong >= data->set.low_speed_time * 1000) {
+          /* too long */
+          failf(data,
+                "Operation too slow. "
+                "Less than %ld bytes/sec transferred the last %ld seconds",
+                data->set.low_speed_limit,
+                data->set.low_speed_time);
+          return CURLE_OPERATION_TIMEDOUT;
+        }
+      }
+    }
+    else
+      /* faster right now */
+      data->state.keeps_speed.tv_sec = 0;
+  }
+
+  if(data->set.low_speed_limit)
+    /* if low speed limit is enabled, set the expire timer to make this
+       connection's speed get checked again in a second */
+    Curl_expire(data, 1000, EXPIRE_SPEEDCHECK);
+
+  return CURLE_OK;
+}
Index: trunk/src/libs/curl-7.64.0/lib/speedcheck.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/speedcheck.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/speedcheck.h	(revision 85671)
@@ -0,0 +1,33 @@
+#ifndef HEADER_CURL_SPEEDCHECK_H
+#define HEADER_CURL_SPEEDCHECK_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include "timeval.h"
+
+void Curl_speedinit(struct Curl_easy *data);
+CURLcode Curl_speedcheck(struct Curl_easy *data,
+                         struct curltime now);
+
+#endif /* HEADER_CURL_SPEEDCHECK_H */
Index: trunk/src/libs/curl-7.64.0/lib/splay.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/splay.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/splay.c	(revision 85671)
@@ -0,0 +1,276 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1997 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include "splay.h"
+
+/*
+ * This macro compares two node keys i and j and returns:
+ *
+ *  negative value: when i is smaller than j
+ *  zero          : when i is equal   to   j
+ *  positive when : when i is larger  than j
+ */
+#define compare(i,j) Curl_splaycomparekeys((i),(j))
+
+/*
+ * Splay using the key i (which may or may not be in the tree.) The starting
+ * root is t.
+ */
+struct Curl_tree *Curl_splay(struct curltime i,
+                             struct Curl_tree *t)
+{
+  struct Curl_tree N, *l, *r, *y;
+
+  if(t == NULL)
+    return t;
+  N.smaller = N.larger = NULL;
+  l = r = &N;
+
+  for(;;) {
+    long comp = compare(i, t->key);
+    if(comp < 0) {
+      if(t->smaller == NULL)
+        break;
+      if(compare(i, t->smaller->key) < 0) {
+        y = t->smaller;                           /* rotate smaller */
+        t->smaller = y->larger;
+        y->larger = t;
+        t = y;
+        if(t->smaller == NULL)
+          break;
+      }
+      r->smaller = t;                               /* link smaller */
+      r = t;
+      t = t->smaller;
+    }
+    else if(comp > 0) {
+      if(t->larger == NULL)
+        break;
+      if(compare(i, t->larger->key) > 0) {
+        y = t->larger;                          /* rotate larger */
+        t->larger = y->smaller;
+        y->smaller = t;
+        t = y;
+        if(t->larger == NULL)
+          break;
+      }
+      l->larger = t;                              /* link larger */
+      l = t;
+      t = t->larger;
+    }
+    else
+      break;
+  }
+
+  l->larger = t->smaller;                                /* assemble */
+  r->smaller = t->larger;
+  t->smaller = N.larger;
+  t->larger = N.smaller;
+
+  return t;
+}
+
+/* Insert key i into the tree t.  Return a pointer to the resulting tree or
+ * NULL if something went wrong.
+ *
+ * @unittest: 1309
+ */
+struct Curl_tree *Curl_splayinsert(struct curltime i,
+                                   struct Curl_tree *t,
+                                   struct Curl_tree *node)
+{
+  static const struct curltime KEY_NOTUSED = {
+    (time_t)-1, (unsigned int)-1
+  }; /* will *NEVER* appear */
+
+  if(node == NULL)
+    return t;
+
+  if(t != NULL) {
+    t = Curl_splay(i, t);
+    if(compare(i, t->key) == 0) {
+      /* There already exists a node in the tree with the very same key. Build
+         a doubly-linked circular list of nodes. We add the new 'node' struct
+         to the end of this list. */
+
+      node->key = KEY_NOTUSED; /* we set the key in the sub node to NOTUSED
+                                  to quickly identify this node as a subnode */
+      node->samen = t;
+      node->samep = t->samep;
+      t->samep->samen = node;
+      t->samep = node;
+
+      return t; /* the root node always stays the same */
+    }
+  }
+
+  if(t == NULL) {
+    node->smaller = node->larger = NULL;
+  }
+  else if(compare(i, t->key) < 0) {
+    node->smaller = t->smaller;
+    node->larger = t;
+    t->smaller = NULL;
+
+  }
+  else {
+    node->larger = t->larger;
+    node->smaller = t;
+    t->larger = NULL;
+  }
+  node->key = i;
+
+  /* no identical nodes (yet), we are the only one in the list of nodes */
+  node->samen = node;
+  node->samep = node;
+  return node;
+}
+
+/* Finds and deletes the best-fit node from the tree. Return a pointer to the
+   resulting tree.  best-fit means the smallest node if it is not larger than
+   the key */
+struct Curl_tree *Curl_splaygetbest(struct curltime i,
+                                    struct Curl_tree *t,
+                                    struct Curl_tree **removed)
+{
+  static struct curltime tv_zero = {0, 0};
+  struct Curl_tree *x;
+
+  if(!t) {
+    *removed = NULL; /* none removed since there was no root */
+    return NULL;
+  }
+
+  /* find smallest */
+  t = Curl_splay(tv_zero, t);
+  if(compare(i, t->key) < 0) {
+    /* even the smallest is too big */
+    *removed = NULL;
+    return t;
+  }
+
+  /* FIRST! Check if there is a list with identical keys */
+  x = t->samen;
+  if(x != t) {
+    /* there is, pick one from the list */
+
+    /* 'x' is the new root node */
+
+    x->key = t->key;
+    x->larger = t->larger;
+    x->smaller = t->smaller;
+    x->samep = t->samep;
+    t->samep->samen = x;
+
+    *removed = t;
+    return x; /* new root */
+  }
+
+  /* we splayed the tree to the smallest element, there is no smaller */
+  x = t->larger;
+  *removed = t;
+
+  return x;
+}
+
+
+/* Deletes the very node we point out from the tree if it's there. Stores a
+ * pointer to the new resulting tree in 'newroot'.
+ *
+ * Returns zero on success and non-zero on errors! TODO: document error codes.
+ * When returning error, it does not touch the 'newroot' pointer.
+ *
+ * NOTE: when the last node of the tree is removed, there's no tree left so
+ * 'newroot' will be made to point to NULL.
+ *
+ * @unittest: 1309
+ */
+int Curl_splayremovebyaddr(struct Curl_tree *t,
+                           struct Curl_tree *removenode,
+                           struct Curl_tree **newroot)
+{
+  static const struct curltime KEY_NOTUSED = {
+    (time_t)-1, (unsigned int)-1
+  }; /* will *NEVER* appear */
+  struct Curl_tree *x;
+
+  if(!t || !removenode)
+    return 1;
+
+  if(compare(KEY_NOTUSED, removenode->key) == 0) {
+    /* Key set to NOTUSED means it is a subnode within a 'same' linked list
+       and thus we can unlink it easily. */
+    if(removenode->samen == removenode)
+      /* A non-subnode should never be set to KEY_NOTUSED */
+      return 3;
+
+    removenode->samep->samen = removenode->samen;
+    removenode->samen->samep = removenode->samep;
+
+    /* Ensures that double-remove gets caught. */
+    removenode->samen = removenode;
+
+    *newroot = t; /* return the same root */
+    return 0;
+  }
+
+  t = Curl_splay(removenode->key, t);
+
+  /* First make sure that we got the same root node as the one we want
+     to remove, as otherwise we might be trying to remove a node that
+     isn't actually in the tree.
+
+     We cannot just compare the keys here as a double remove in quick
+     succession of a node with key != KEY_NOTUSED && same != NULL
+     could return the same key but a different node. */
+  if(t != removenode)
+    return 2;
+
+  /* Check if there is a list with identical sizes, as then we're trying to
+     remove the root node of a list of nodes with identical keys. */
+  x = t->samen;
+  if(x != t) {
+    /* 'x' is the new root node, we just make it use the root node's
+       smaller/larger links */
+
+    x->key = t->key;
+    x->larger = t->larger;
+    x->smaller = t->smaller;
+    x->samep = t->samep;
+    t->samep->samen = x;
+  }
+  else {
+    /* Remove the root node */
+    if(t->smaller == NULL)
+      x = t->larger;
+    else {
+      x = Curl_splay(removenode->key, t->smaller);
+      x->larger = t->larger;
+    }
+  }
+
+  *newroot = x; /* store new root pointer */
+
+  return 0;
+}
Index: trunk/src/libs/curl-7.64.0/lib/splay.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/splay.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/splay.h	(revision 85671)
@@ -0,0 +1,68 @@
+#ifndef HEADER_CURL_SPLAY_H
+#define HEADER_CURL_SPLAY_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1997 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+#include "timeval.h"
+
+struct Curl_tree {
+  struct Curl_tree *smaller; /* smaller node */
+  struct Curl_tree *larger;  /* larger node */
+  struct Curl_tree *samen;   /* points to the next node with identical key */
+  struct Curl_tree *samep;   /* points to the prev node with identical key */
+  struct curltime key;        /* this node's "sort" key */
+  void *payload;             /* data the splay code doesn't care about */
+};
+
+struct Curl_tree *Curl_splay(struct curltime i,
+                             struct Curl_tree *t);
+
+struct Curl_tree *Curl_splayinsert(struct curltime key,
+                                   struct Curl_tree *t,
+                                   struct Curl_tree *newnode);
+
+#if 0
+struct Curl_tree *Curl_splayremove(struct curltime key,
+                                   struct Curl_tree *t,
+                                   struct Curl_tree **removed);
+#endif
+
+struct Curl_tree *Curl_splaygetbest(struct curltime key,
+                                    struct Curl_tree *t,
+                                    struct Curl_tree **removed);
+
+int Curl_splayremovebyaddr(struct Curl_tree *t,
+                           struct Curl_tree *removenode,
+                           struct Curl_tree **newroot);
+
+#define Curl_splaycomparekeys(i,j) ( ((i.tv_sec)  < (j.tv_sec)) ? -1 : \
+                                   ( ((i.tv_sec)  > (j.tv_sec)) ?  1 : \
+                                   ( ((i.tv_usec) < (j.tv_usec)) ? -1 : \
+                                   ( ((i.tv_usec) > (j.tv_usec)) ?  1 : 0))))
+
+#ifdef DEBUGBUILD
+void Curl_splayprint(struct Curl_tree * t, int d, char output);
+#else
+#define Curl_splayprint(x,y,z) Curl_nop_stmt
+#endif
+
+#endif /* HEADER_CURL_SPLAY_H */
Index: trunk/src/libs/curl-7.64.0/lib/ssh-libssh.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/ssh-libssh.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/ssh-libssh.c	(revision 85671)
@@ -0,0 +1,2756 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2017 - 2018 Red Hat, Inc.
+ *
+ * Authors: Nikos Mavrogiannopoulos, Tomas Mraz, Stanislav Zidek,
+ *          Robert Kolcun, Andreas Schneider
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef USE_LIBSSH
+
+#include <limits.h>
+
+#include <libssh/libssh.h>
+#include <libssh/sftp.h>
+
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_UTSNAME_H
+#include <sys/utsname.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#if (defined(NETWARE) && defined(__NOVELL_LIBC__))
+#undef in_addr_t
+#define in_addr_t unsigned long
+#endif
+
+#include <curl/curl.h>
+#include "urldata.h"
+#include "sendf.h"
+#include "hostip.h"
+#include "progress.h"
+#include "transfer.h"
+#include "escape.h"
+#include "http.h"               /* for HTTP proxy tunnel stuff */
+#include "ssh.h"
+#include "url.h"
+#include "speedcheck.h"
+#include "getinfo.h"
+#include "strdup.h"
+#include "strcase.h"
+#include "vtls/vtls.h"
+#include "connect.h"
+#include "strerror.h"
+#include "inet_ntop.h"
+#include "parsedate.h"          /* for the week day and month names */
+#include "sockaddr.h"           /* required for Curl_sockaddr_storage */
+#include "strtoofft.h"
+#include "multiif.h"
+#include "select.h"
+#include "warnless.h"
+
+/* for permission and open flags */
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+#include "curl_path.h"
+
+/* A recent macro provided by libssh. Or make our own. */
+#ifndef SSH_STRING_FREE_CHAR
+/* !checksrc! disable ASSIGNWITHINCONDITION 1 */
+#define SSH_STRING_FREE_CHAR(x) \
+    do { if((x) != NULL) { ssh_string_free_char(x); x = NULL; } } while(0)
+#endif
+
+/* Local functions: */
+static CURLcode myssh_connect(struct connectdata *conn, bool *done);
+static CURLcode myssh_multi_statemach(struct connectdata *conn,
+                                      bool *done);
+static CURLcode myssh_do_it(struct connectdata *conn, bool *done);
+
+static CURLcode scp_done(struct connectdata *conn,
+                         CURLcode, bool premature);
+static CURLcode scp_doing(struct connectdata *conn, bool *dophase_done);
+static CURLcode scp_disconnect(struct connectdata *conn,
+                               bool dead_connection);
+
+static CURLcode sftp_done(struct connectdata *conn,
+                          CURLcode, bool premature);
+static CURLcode sftp_doing(struct connectdata *conn,
+                           bool *dophase_done);
+static CURLcode sftp_disconnect(struct connectdata *conn, bool dead);
+static
+CURLcode sftp_perform(struct connectdata *conn,
+                      bool *connected,
+                      bool *dophase_done);
+
+static void sftp_quote(struct connectdata *conn);
+static void sftp_quote_stat(struct connectdata *conn);
+
+static int myssh_getsock(struct connectdata *conn, curl_socket_t *sock,
+                         int numsocks);
+
+static int myssh_perform_getsock(const struct connectdata *conn,
+                                 curl_socket_t *sock,
+                                 int numsocks);
+
+static CURLcode myssh_setup_connection(struct connectdata *conn);
+
+/*
+ * SCP protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_scp = {
+  "SCP",                        /* scheme */
+  myssh_setup_connection,       /* setup_connection */
+  myssh_do_it,                  /* do_it */
+  scp_done,                     /* done */
+  ZERO_NULL,                    /* do_more */
+  myssh_connect,                /* connect_it */
+  myssh_multi_statemach,        /* connecting */
+  scp_doing,                    /* doing */
+  myssh_getsock,                /* proto_getsock */
+  myssh_getsock,                /* doing_getsock */
+  ZERO_NULL,                    /* domore_getsock */
+  myssh_perform_getsock,        /* perform_getsock */
+  scp_disconnect,               /* disconnect */
+  ZERO_NULL,                    /* readwrite */
+  ZERO_NULL,                    /* connection_check */
+  PORT_SSH,                     /* defport */
+  CURLPROTO_SCP,                /* protocol */
+  PROTOPT_DIRLOCK | PROTOPT_CLOSEACTION | PROTOPT_NOURLQUERY    /* flags */
+};
+
+/*
+ * SFTP protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_sftp = {
+  "SFTP",                               /* scheme */
+  myssh_setup_connection,               /* setup_connection */
+  myssh_do_it,                          /* do_it */
+  sftp_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  myssh_connect,                        /* connect_it */
+  myssh_multi_statemach,                /* connecting */
+  sftp_doing,                           /* doing */
+  myssh_getsock,                        /* proto_getsock */
+  myssh_getsock,                        /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  myssh_perform_getsock,                /* perform_getsock */
+  sftp_disconnect,                      /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_SSH,                             /* defport */
+  CURLPROTO_SFTP,                       /* protocol */
+  PROTOPT_DIRLOCK | PROTOPT_CLOSEACTION
+  | PROTOPT_NOURLQUERY                  /* flags */
+};
+
+static CURLcode sftp_error_to_CURLE(int err)
+{
+  switch(err) {
+    case SSH_FX_OK:
+      return CURLE_OK;
+
+    case SSH_FX_NO_SUCH_FILE:
+    case SSH_FX_NO_SUCH_PATH:
+      return CURLE_REMOTE_FILE_NOT_FOUND;
+
+    case SSH_FX_PERMISSION_DENIED:
+    case SSH_FX_WRITE_PROTECT:
+      return CURLE_REMOTE_ACCESS_DENIED;
+
+    case SSH_FX_FILE_ALREADY_EXISTS:
+      return CURLE_REMOTE_FILE_EXISTS;
+
+    default:
+      break;
+  }
+
+  return CURLE_SSH;
+}
+
+#ifndef DEBUGBUILD
+#define state(x,y) mystate(x,y)
+#else
+#define state(x,y) mystate(x,y, __LINE__)
+#endif
+
+/*
+ * SSH State machine related code
+ */
+/* This is the ONLY way to change SSH state! */
+static void mystate(struct connectdata *conn, sshstate nowstate
+#ifdef DEBUGBUILD
+                    , int lineno
+#endif
+  )
+{
+  struct ssh_conn *sshc = &conn->proto.sshc;
+#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
+  /* for debug purposes */
+  static const char *const names[] = {
+    "SSH_STOP",
+    "SSH_INIT",
+    "SSH_S_STARTUP",
+    "SSH_HOSTKEY",
+    "SSH_AUTHLIST",
+    "SSH_AUTH_PKEY_INIT",
+    "SSH_AUTH_PKEY",
+    "SSH_AUTH_PASS_INIT",
+    "SSH_AUTH_PASS",
+    "SSH_AUTH_AGENT_INIT",
+    "SSH_AUTH_AGENT_LIST",
+    "SSH_AUTH_AGENT",
+    "SSH_AUTH_HOST_INIT",
+    "SSH_AUTH_HOST",
+    "SSH_AUTH_KEY_INIT",
+    "SSH_AUTH_KEY",
+    "SSH_AUTH_GSSAPI",
+    "SSH_AUTH_DONE",
+    "SSH_SFTP_INIT",
+    "SSH_SFTP_REALPATH",
+    "SSH_SFTP_QUOTE_INIT",
+    "SSH_SFTP_POSTQUOTE_INIT",
+    "SSH_SFTP_QUOTE",
+    "SSH_SFTP_NEXT_QUOTE",
+    "SSH_SFTP_QUOTE_STAT",
+    "SSH_SFTP_QUOTE_SETSTAT",
+    "SSH_SFTP_QUOTE_SYMLINK",
+    "SSH_SFTP_QUOTE_MKDIR",
+    "SSH_SFTP_QUOTE_RENAME",
+    "SSH_SFTP_QUOTE_RMDIR",
+    "SSH_SFTP_QUOTE_UNLINK",
+    "SSH_SFTP_QUOTE_STATVFS",
+    "SSH_SFTP_GETINFO",
+    "SSH_SFTP_FILETIME",
+    "SSH_SFTP_TRANS_INIT",
+    "SSH_SFTP_UPLOAD_INIT",
+    "SSH_SFTP_CREATE_DIRS_INIT",
+    "SSH_SFTP_CREATE_DIRS",
+    "SSH_SFTP_CREATE_DIRS_MKDIR",
+    "SSH_SFTP_READDIR_INIT",
+    "SSH_SFTP_READDIR",
+    "SSH_SFTP_READDIR_LINK",
+    "SSH_SFTP_READDIR_BOTTOM",
+    "SSH_SFTP_READDIR_DONE",
+    "SSH_SFTP_DOWNLOAD_INIT",
+    "SSH_SFTP_DOWNLOAD_STAT",
+    "SSH_SFTP_CLOSE",
+    "SSH_SFTP_SHUTDOWN",
+    "SSH_SCP_TRANS_INIT",
+    "SSH_SCP_UPLOAD_INIT",
+    "SSH_SCP_DOWNLOAD_INIT",
+    "SSH_SCP_DOWNLOAD",
+    "SSH_SCP_DONE",
+    "SSH_SCP_SEND_EOF",
+    "SSH_SCP_WAIT_EOF",
+    "SSH_SCP_WAIT_CLOSE",
+    "SSH_SCP_CHANNEL_FREE",
+    "SSH_SESSION_DISCONNECT",
+    "SSH_SESSION_FREE",
+    "QUIT"
+  };
+
+
+  if(sshc->state != nowstate) {
+    infof(conn->data, "SSH %p state change from %s to %s (line %d)\n",
+          (void *) sshc, names[sshc->state], names[nowstate],
+          lineno);
+  }
+#endif
+
+  sshc->state = nowstate;
+}
+
+/* Multiple options:
+ * 1. data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5] is set with an MD5
+ *    hash (90s style auth, not sure we should have it here)
+ * 2. data->set.ssh_keyfunc callback is set. Then we do trust on first
+ *    use. We even save on knownhosts if CURLKHSTAT_FINE_ADD_TO_FILE
+ *    is returned by it.
+ * 3. none of the above. We only accept if it is present on known hosts.
+ *
+ * Returns SSH_OK or SSH_ERROR.
+ */
+static int myssh_is_known(struct connectdata *conn)
+{
+  int rc;
+  struct Curl_easy *data = conn->data;
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  ssh_key pubkey;
+  size_t hlen;
+  unsigned char *hash = NULL;
+  char *base64 = NULL;
+  int vstate;
+  enum curl_khmatch keymatch;
+  struct curl_khkey foundkey;
+  curl_sshkeycallback func =
+    data->set.ssh_keyfunc;
+
+  rc = ssh_get_publickey(sshc->ssh_session, &pubkey);
+  if(rc != SSH_OK)
+    return rc;
+
+  if(data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5]) {
+    rc = ssh_get_publickey_hash(pubkey, SSH_PUBLICKEY_HASH_MD5,
+                                &hash, &hlen);
+    if(rc != SSH_OK)
+      goto cleanup;
+
+    if(hlen != strlen(data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5]) ||
+       memcmp(&data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5], hash, hlen)) {
+      rc = SSH_ERROR;
+      goto cleanup;
+    }
+
+    rc = SSH_OK;
+    goto cleanup;
+  }
+
+  if(data->set.ssl.primary.verifyhost != TRUE) {
+    rc = SSH_OK;
+    goto cleanup;
+  }
+
+  vstate = ssh_is_server_known(sshc->ssh_session);
+  switch(vstate) {
+    case SSH_SERVER_KNOWN_OK:
+      keymatch = CURLKHMATCH_OK;
+      break;
+    case SSH_SERVER_FILE_NOT_FOUND:
+      /* fallthrough */
+    case SSH_SERVER_NOT_KNOWN:
+      keymatch = CURLKHMATCH_MISSING;
+      break;
+  default:
+      keymatch = CURLKHMATCH_MISMATCH;
+      break;
+  }
+
+  if(func) { /* use callback to determine action */
+    rc = ssh_pki_export_pubkey_base64(pubkey, &base64);
+    if(rc != SSH_OK)
+      goto cleanup;
+
+    foundkey.key = base64;
+    foundkey.len = strlen(base64);
+
+    switch(ssh_key_type(pubkey)) {
+      case SSH_KEYTYPE_RSA:
+        foundkey.keytype = CURLKHTYPE_RSA;
+        break;
+      case SSH_KEYTYPE_RSA1:
+        foundkey.keytype = CURLKHTYPE_RSA1;
+        break;
+      case SSH_KEYTYPE_ECDSA:
+        foundkey.keytype = CURLKHTYPE_ECDSA;
+        break;
+#if LIBSSH_VERSION_INT >= SSH_VERSION_INT(0,7,0)
+      case SSH_KEYTYPE_ED25519:
+        foundkey.keytype = CURLKHTYPE_ED25519;
+        break;
+#endif
+      case SSH_KEYTYPE_DSS:
+        foundkey.keytype = CURLKHTYPE_DSS;
+        break;
+      default:
+        rc = SSH_ERROR;
+        goto cleanup;
+    }
+
+    /* we don't have anything equivalent to knownkey. Always NULL */
+    Curl_set_in_callback(data, true);
+    rc = func(data, NULL, &foundkey, /* from the remote host */
+              keymatch, data->set.ssh_keyfunc_userp);
+    Curl_set_in_callback(data, false);
+
+    switch(rc) {
+      case CURLKHSTAT_FINE_ADD_TO_FILE:
+        rc = ssh_write_knownhost(sshc->ssh_session);
+        if(rc != SSH_OK) {
+          goto cleanup;
+        }
+        break;
+      case CURLKHSTAT_FINE:
+        break;
+      default: /* REJECT/DEFER */
+        rc = SSH_ERROR;
+        goto cleanup;
+    }
+  }
+  else {
+    if(keymatch != CURLKHMATCH_OK) {
+      rc = SSH_ERROR;
+      goto cleanup;
+    }
+  }
+  rc = SSH_OK;
+
+cleanup:
+  if(hash)
+    ssh_clean_pubkey_hash(&hash);
+  ssh_key_free(pubkey);
+  return rc;
+}
+
+#define MOVE_TO_ERROR_STATE(_r) { \
+  state(conn, SSH_SESSION_DISCONNECT); \
+  sshc->actualcode = _r; \
+  rc = SSH_ERROR; \
+  break; \
+}
+
+#define MOVE_TO_SFTP_CLOSE_STATE() { \
+  state(conn, SSH_SFTP_CLOSE); \
+  sshc->actualcode = sftp_error_to_CURLE(sftp_get_error(sshc->sftp_session)); \
+  rc = SSH_ERROR; \
+  break; \
+}
+
+#define MOVE_TO_LAST_AUTH \
+  if(sshc->auth_methods & SSH_AUTH_METHOD_PASSWORD) { \
+    rc = SSH_OK; \
+    state(conn, SSH_AUTH_PASS_INIT); \
+    break; \
+  } \
+  else { \
+    MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED); \
+  }
+
+#define MOVE_TO_TERTIARY_AUTH \
+  if(sshc->auth_methods & SSH_AUTH_METHOD_INTERACTIVE) { \
+    rc = SSH_OK; \
+    state(conn, SSH_AUTH_KEY_INIT); \
+    break; \
+  } \
+  else { \
+    MOVE_TO_LAST_AUTH; \
+  }
+
+#define MOVE_TO_SECONDARY_AUTH \
+  if(sshc->auth_methods & SSH_AUTH_METHOD_GSSAPI_MIC) { \
+    rc = SSH_OK; \
+    state(conn, SSH_AUTH_GSSAPI); \
+    break; \
+  } \
+  else { \
+    MOVE_TO_TERTIARY_AUTH; \
+  }
+
+static
+int myssh_auth_interactive(struct connectdata *conn)
+{
+  int rc;
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  int nprompts;
+
+restart:
+  switch(sshc->kbd_state) {
+    case 0:
+      rc = ssh_userauth_kbdint(sshc->ssh_session, NULL, NULL);
+      if(rc == SSH_AUTH_AGAIN)
+        return SSH_AGAIN;
+
+      if(rc != SSH_AUTH_INFO)
+        return SSH_ERROR;
+
+      nprompts = ssh_userauth_kbdint_getnprompts(sshc->ssh_session);
+      if(nprompts == SSH_ERROR || nprompts != 1)
+        return SSH_ERROR;
+
+      rc = ssh_userauth_kbdint_setanswer(sshc->ssh_session, 0, conn->passwd);
+      if(rc < 0)
+        return SSH_ERROR;
+
+    /* FALLTHROUGH */
+    case 1:
+      sshc->kbd_state = 1;
+
+      rc = ssh_userauth_kbdint(sshc->ssh_session, NULL, NULL);
+      if(rc == SSH_AUTH_AGAIN)
+        return SSH_AGAIN;
+      else if(rc == SSH_AUTH_SUCCESS)
+        rc = SSH_OK;
+      else if(rc == SSH_AUTH_INFO) {
+        nprompts = ssh_userauth_kbdint_getnprompts(sshc->ssh_session);
+        if(nprompts != 0)
+          return SSH_ERROR;
+
+        sshc->kbd_state = 2;
+        goto restart;
+      }
+      else
+        rc = SSH_ERROR;
+      break;
+    case 2:
+      sshc->kbd_state = 2;
+
+      rc = ssh_userauth_kbdint(sshc->ssh_session, NULL, NULL);
+      if(rc == SSH_AUTH_AGAIN)
+        return SSH_AGAIN;
+      else if(rc == SSH_AUTH_SUCCESS)
+        rc = SSH_OK;
+      else
+        rc = SSH_ERROR;
+
+      break;
+    default:
+      return SSH_ERROR;
+  }
+
+  sshc->kbd_state = 0;
+  return rc;
+}
+
+/*
+ * ssh_statemach_act() runs the SSH state machine as far as it can without
+ * blocking and without reaching the end.  The data the pointer 'block' points
+ * to will be set to TRUE if the libssh function returns SSH_AGAIN
+ * meaning it wants to be called again when the socket is ready
+ */
+static CURLcode myssh_statemach_act(struct connectdata *conn, bool *block)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct SSHPROTO *protop = data->req.protop;
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  curl_socket_t sock = conn->sock[FIRSTSOCKET];
+  int rc = SSH_NO_ERROR, err;
+  char *new_readdir_line;
+  int seekerr = CURL_SEEKFUNC_OK;
+  const char *err_msg;
+  *block = 0;                   /* we're not blocking by default */
+
+  do {
+
+    switch(sshc->state) {
+    case SSH_INIT:
+      sshc->secondCreateDirs = 0;
+      sshc->nextstate = SSH_NO_STATE;
+      sshc->actualcode = CURLE_OK;
+
+#if 0
+      ssh_set_log_level(SSH_LOG_PROTOCOL);
+#endif
+
+      /* Set libssh to non-blocking, since everything internally is
+         non-blocking */
+      ssh_set_blocking(sshc->ssh_session, 0);
+
+      state(conn, SSH_S_STARTUP);
+      /* FALLTHROUGH */
+
+    case SSH_S_STARTUP:
+      rc = ssh_connect(sshc->ssh_session);
+      if(rc == SSH_AGAIN)
+        break;
+
+      if(rc != SSH_OK) {
+        failf(data, "Failure establishing ssh session");
+        MOVE_TO_ERROR_STATE(CURLE_FAILED_INIT);
+      }
+
+      state(conn, SSH_HOSTKEY);
+
+      /* FALLTHROUGH */
+    case SSH_HOSTKEY:
+
+      rc = myssh_is_known(conn);
+      if(rc != SSH_OK) {
+        MOVE_TO_ERROR_STATE(CURLE_PEER_FAILED_VERIFICATION);
+      }
+
+      state(conn, SSH_AUTHLIST);
+      /* FALLTHROUGH */
+    case SSH_AUTHLIST:{
+        sshc->authed = FALSE;
+
+        rc = ssh_userauth_none(sshc->ssh_session, NULL);
+        if(rc == SSH_AUTH_AGAIN) {
+          rc = SSH_AGAIN;
+          break;
+        }
+
+        if(rc == SSH_AUTH_SUCCESS) {
+          sshc->authed = TRUE;
+          infof(data, "Authenticated with none\n");
+          state(conn, SSH_AUTH_DONE);
+          break;
+        }
+        else if(rc == SSH_AUTH_ERROR) {
+          MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
+        }
+
+        sshc->auth_methods = ssh_userauth_list(sshc->ssh_session, NULL);
+        if(sshc->auth_methods & SSH_AUTH_METHOD_PUBLICKEY) {
+          state(conn, SSH_AUTH_PKEY_INIT);
+          infof(data, "Authentication using SSH public key file\n");
+        }
+        else if(sshc->auth_methods & SSH_AUTH_METHOD_GSSAPI_MIC) {
+          state(conn, SSH_AUTH_GSSAPI);
+        }
+        else if(sshc->auth_methods & SSH_AUTH_METHOD_INTERACTIVE) {
+          state(conn, SSH_AUTH_KEY_INIT);
+        }
+        else if(sshc->auth_methods & SSH_AUTH_METHOD_PASSWORD) {
+          state(conn, SSH_AUTH_PASS_INIT);
+        }
+        else {                  /* unsupported authentication method */
+          MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
+        }
+
+        break;
+      }
+    case SSH_AUTH_PKEY_INIT:
+      if(!(data->set.ssh_auth_types & CURLSSH_AUTH_PUBLICKEY)) {
+        MOVE_TO_SECONDARY_AUTH;
+      }
+
+      /* Two choices, (1) private key was given on CMD,
+       * (2) use the "default" keys. */
+      if(data->set.str[STRING_SSH_PRIVATE_KEY]) {
+        if(sshc->pubkey && !data->set.ssl.key_passwd) {
+          rc = ssh_userauth_try_publickey(sshc->ssh_session, NULL,
+                                          sshc->pubkey);
+          if(rc == SSH_AUTH_AGAIN) {
+            rc = SSH_AGAIN;
+            break;
+          }
+
+          if(rc != SSH_OK) {
+            MOVE_TO_SECONDARY_AUTH;
+          }
+        }
+
+        rc = ssh_pki_import_privkey_file(data->
+                                         set.str[STRING_SSH_PRIVATE_KEY],
+                                         data->set.ssl.key_passwd, NULL,
+                                         NULL, &sshc->privkey);
+        if(rc != SSH_OK) {
+          failf(data, "Could not load private key file %s",
+                data->set.str[STRING_SSH_PRIVATE_KEY]);
+          MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
+          break;
+        }
+
+        state(conn, SSH_AUTH_PKEY);
+        break;
+
+      }
+      else {
+        rc = ssh_userauth_publickey_auto(sshc->ssh_session, NULL,
+                                         data->set.ssl.key_passwd);
+        if(rc == SSH_AUTH_AGAIN) {
+          rc = SSH_AGAIN;
+          break;
+        }
+        if(rc == SSH_AUTH_SUCCESS) {
+          rc = SSH_OK;
+          sshc->authed = TRUE;
+          infof(data, "Completed public key authentication\n");
+          state(conn, SSH_AUTH_DONE);
+          break;
+        }
+
+        MOVE_TO_SECONDARY_AUTH;
+      }
+      break;
+    case SSH_AUTH_PKEY:
+      rc = ssh_userauth_publickey(sshc->ssh_session, NULL, sshc->privkey);
+      if(rc == SSH_AUTH_AGAIN) {
+        rc = SSH_AGAIN;
+        break;
+      }
+
+      if(rc == SSH_AUTH_SUCCESS) {
+        sshc->authed = TRUE;
+        infof(data, "Completed public key authentication\n");
+        state(conn, SSH_AUTH_DONE);
+        break;
+      }
+      else {
+        infof(data, "Failed public key authentication (rc: %d)\n", rc);
+        MOVE_TO_SECONDARY_AUTH;
+      }
+      break;
+
+    case SSH_AUTH_GSSAPI:
+      if(!(data->set.ssh_auth_types & CURLSSH_AUTH_GSSAPI)) {
+        MOVE_TO_TERTIARY_AUTH;
+      }
+
+      rc = ssh_userauth_gssapi(sshc->ssh_session);
+      if(rc == SSH_AUTH_AGAIN) {
+        rc = SSH_AGAIN;
+        break;
+      }
+
+      if(rc == SSH_AUTH_SUCCESS) {
+        rc = SSH_OK;
+        sshc->authed = TRUE;
+        infof(data, "Completed gssapi authentication\n");
+        state(conn, SSH_AUTH_DONE);
+        break;
+      }
+
+      MOVE_TO_TERTIARY_AUTH;
+      break;
+
+    case SSH_AUTH_KEY_INIT:
+      if(data->set.ssh_auth_types & CURLSSH_AUTH_KEYBOARD) {
+        state(conn, SSH_AUTH_KEY);
+      }
+      else {
+        MOVE_TO_LAST_AUTH;
+      }
+      break;
+
+    case SSH_AUTH_KEY:
+
+      /* Authentication failed. Continue with keyboard-interactive now. */
+      rc = myssh_auth_interactive(conn);
+      if(rc == SSH_AGAIN) {
+        break;
+      }
+      if(rc == SSH_OK) {
+        sshc->authed = TRUE;
+        infof(data, "completed keyboard interactive authentication\n");
+      }
+      state(conn, SSH_AUTH_DONE);
+      break;
+
+    case SSH_AUTH_PASS_INIT:
+      if(!(data->set.ssh_auth_types & CURLSSH_AUTH_PASSWORD)) {
+        /* Host key authentication is intentionally not implemented */
+        MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
+      }
+      state(conn, SSH_AUTH_PASS);
+      /* FALLTHROUGH */
+
+    case SSH_AUTH_PASS:
+      rc = ssh_userauth_password(sshc->ssh_session, NULL, conn->passwd);
+      if(rc == SSH_AUTH_AGAIN) {
+        rc = SSH_AGAIN;
+        break;
+      }
+
+      if(rc == SSH_AUTH_SUCCESS) {
+        sshc->authed = TRUE;
+        infof(data, "Completed password authentication\n");
+        state(conn, SSH_AUTH_DONE);
+      }
+      else {
+        MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
+      }
+      break;
+
+    case SSH_AUTH_DONE:
+      if(!sshc->authed) {
+        failf(data, "Authentication failure");
+        MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
+        break;
+      }
+
+      /*
+       * At this point we have an authenticated ssh session.
+       */
+      infof(data, "Authentication complete\n");
+
+      Curl_pgrsTime(conn->data, TIMER_APPCONNECT);      /* SSH is connected */
+
+      conn->sockfd = sock;
+      conn->writesockfd = CURL_SOCKET_BAD;
+
+      if(conn->handler->protocol == CURLPROTO_SFTP) {
+        state(conn, SSH_SFTP_INIT);
+        break;
+      }
+      infof(data, "SSH CONNECT phase done\n");
+      state(conn, SSH_STOP);
+      break;
+
+    case SSH_SFTP_INIT:
+      ssh_set_blocking(sshc->ssh_session, 1);
+
+      sshc->sftp_session = sftp_new(sshc->ssh_session);
+      if(!sshc->sftp_session) {
+        failf(data, "Failure initializing sftp session: %s",
+              ssh_get_error(sshc->ssh_session));
+        MOVE_TO_ERROR_STATE(CURLE_COULDNT_CONNECT);
+        break;
+      }
+
+      rc = sftp_init(sshc->sftp_session);
+      if(rc != SSH_OK) {
+        rc = sftp_get_error(sshc->sftp_session);
+        failf(data, "Failure initializing sftp session: %s",
+              ssh_get_error(sshc->ssh_session));
+        MOVE_TO_ERROR_STATE(sftp_error_to_CURLE(rc));
+        break;
+      }
+      state(conn, SSH_SFTP_REALPATH);
+      /* FALLTHROUGH */
+    case SSH_SFTP_REALPATH:
+      /*
+       * Get the "home" directory
+       */
+      sshc->homedir = sftp_canonicalize_path(sshc->sftp_session, ".");
+      if(sshc->homedir == NULL) {
+        MOVE_TO_ERROR_STATE(CURLE_COULDNT_CONNECT);
+      }
+      conn->data->state.most_recent_ftp_entrypath = sshc->homedir;
+
+      /* This is the last step in the SFTP connect phase. Do note that while
+         we get the homedir here, we get the "workingpath" in the DO action
+         since the homedir will remain the same between request but the
+         working path will not. */
+      DEBUGF(infof(data, "SSH CONNECT phase done\n"));
+      state(conn, SSH_STOP);
+      break;
+
+    case SSH_SFTP_QUOTE_INIT:
+
+      result = Curl_getworkingpath(conn, sshc->homedir, &protop->path);
+      if(result) {
+        sshc->actualcode = result;
+        state(conn, SSH_STOP);
+        break;
+      }
+
+      if(data->set.quote) {
+        infof(data, "Sending quote commands\n");
+        sshc->quote_item = data->set.quote;
+        state(conn, SSH_SFTP_QUOTE);
+      }
+      else {
+        state(conn, SSH_SFTP_GETINFO);
+      }
+      break;
+
+    case SSH_SFTP_POSTQUOTE_INIT:
+      if(data->set.postquote) {
+        infof(data, "Sending quote commands\n");
+        sshc->quote_item = data->set.postquote;
+        state(conn, SSH_SFTP_QUOTE);
+      }
+      else {
+        state(conn, SSH_STOP);
+      }
+      break;
+
+    case SSH_SFTP_QUOTE:
+      /* Send any quote commands */
+      sftp_quote(conn);
+      break;
+
+    case SSH_SFTP_NEXT_QUOTE:
+      Curl_safefree(sshc->quote_path1);
+      Curl_safefree(sshc->quote_path2);
+
+      sshc->quote_item = sshc->quote_item->next;
+
+      if(sshc->quote_item) {
+        state(conn, SSH_SFTP_QUOTE);
+      }
+      else {
+        if(sshc->nextstate != SSH_NO_STATE) {
+          state(conn, sshc->nextstate);
+          sshc->nextstate = SSH_NO_STATE;
+        }
+        else {
+          state(conn, SSH_SFTP_GETINFO);
+        }
+      }
+      break;
+
+    case SSH_SFTP_QUOTE_STAT:
+      sftp_quote_stat(conn);
+      break;
+
+    case SSH_SFTP_QUOTE_SETSTAT:
+      rc = sftp_setstat(sshc->sftp_session, sshc->quote_path2,
+                        sshc->quote_attrs);
+      if(rc != 0 && !sshc->acceptfail) {
+        Curl_safefree(sshc->quote_path1);
+        Curl_safefree(sshc->quote_path2);
+        failf(data, "Attempt to set SFTP stats failed: %s",
+              ssh_get_error(sshc->ssh_session));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        /* sshc->actualcode = sftp_error_to_CURLE(err);
+         * we do not send the actual error; we return
+         * the error the libssh2 backend is returning */
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+    case SSH_SFTP_QUOTE_SYMLINK:
+      rc = sftp_symlink(sshc->sftp_session, sshc->quote_path2,
+                        sshc->quote_path1);
+      if(rc != 0 && !sshc->acceptfail) {
+        Curl_safefree(sshc->quote_path1);
+        Curl_safefree(sshc->quote_path2);
+        failf(data, "symlink command failed: %s",
+              ssh_get_error(sshc->ssh_session));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+    case SSH_SFTP_QUOTE_MKDIR:
+      rc = sftp_mkdir(sshc->sftp_session, sshc->quote_path1,
+                      (mode_t)data->set.new_directory_perms);
+      if(rc != 0 && !sshc->acceptfail) {
+        Curl_safefree(sshc->quote_path1);
+        failf(data, "mkdir command failed: %s",
+              ssh_get_error(sshc->ssh_session));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+    case SSH_SFTP_QUOTE_RENAME:
+      rc = sftp_rename(sshc->sftp_session, sshc->quote_path1,
+                       sshc->quote_path2);
+      if(rc != 0 && !sshc->acceptfail) {
+        Curl_safefree(sshc->quote_path1);
+        Curl_safefree(sshc->quote_path2);
+        failf(data, "rename command failed: %s",
+              ssh_get_error(sshc->ssh_session));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+    case SSH_SFTP_QUOTE_RMDIR:
+      rc = sftp_rmdir(sshc->sftp_session, sshc->quote_path1);
+      if(rc != 0 && !sshc->acceptfail) {
+        Curl_safefree(sshc->quote_path1);
+        failf(data, "rmdir command failed: %s",
+              ssh_get_error(sshc->ssh_session));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+    case SSH_SFTP_QUOTE_UNLINK:
+      rc = sftp_unlink(sshc->sftp_session, sshc->quote_path1);
+      if(rc != 0 && !sshc->acceptfail) {
+        Curl_safefree(sshc->quote_path1);
+        failf(data, "rm command failed: %s",
+              ssh_get_error(sshc->ssh_session));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+    case SSH_SFTP_QUOTE_STATVFS:
+    {
+      sftp_statvfs_t statvfs;
+
+      statvfs = sftp_statvfs(sshc->sftp_session, sshc->quote_path1);
+      if(!statvfs && !sshc->acceptfail) {
+        Curl_safefree(sshc->quote_path1);
+        failf(data, "statvfs command failed: %s",
+              ssh_get_error(sshc->ssh_session));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      else if(statvfs) {
+        char *tmp = aprintf("statvfs:\n"
+                            "f_bsize: %llu\n" "f_frsize: %llu\n"
+                            "f_blocks: %llu\n" "f_bfree: %llu\n"
+                            "f_bavail: %llu\n" "f_files: %llu\n"
+                            "f_ffree: %llu\n" "f_favail: %llu\n"
+                            "f_fsid: %llu\n" "f_flag: %llu\n"
+                            "f_namemax: %llu\n",
+                            statvfs->f_bsize, statvfs->f_frsize,
+                            statvfs->f_blocks, statvfs->f_bfree,
+                            statvfs->f_bavail, statvfs->f_files,
+                            statvfs->f_ffree, statvfs->f_favail,
+                            statvfs->f_fsid, statvfs->f_flag,
+                            statvfs->f_namemax);
+        sftp_statvfs_free(statvfs);
+
+        if(!tmp) {
+          result = CURLE_OUT_OF_MEMORY;
+          state(conn, SSH_SFTP_CLOSE);
+          sshc->nextstate = SSH_NO_STATE;
+          break;
+        }
+
+        result = Curl_client_write(conn, CLIENTWRITE_HEADER, tmp, strlen(tmp));
+        free(tmp);
+        if(result) {
+          state(conn, SSH_SFTP_CLOSE);
+          sshc->nextstate = SSH_NO_STATE;
+          sshc->actualcode = result;
+        }
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+    }
+
+    case SSH_SFTP_GETINFO:
+      if(data->set.get_filetime) {
+        state(conn, SSH_SFTP_FILETIME);
+      }
+      else {
+        state(conn, SSH_SFTP_TRANS_INIT);
+      }
+      break;
+
+    case SSH_SFTP_FILETIME:
+    {
+      sftp_attributes attrs;
+
+      attrs = sftp_stat(sshc->sftp_session, protop->path);
+      if(attrs != 0) {
+        data->info.filetime = attrs->mtime;
+        sftp_attributes_free(attrs);
+      }
+
+      state(conn, SSH_SFTP_TRANS_INIT);
+      break;
+    }
+
+    case SSH_SFTP_TRANS_INIT:
+      if(data->set.upload)
+        state(conn, SSH_SFTP_UPLOAD_INIT);
+      else {
+        if(protop->path[strlen(protop->path)-1] == '/')
+          state(conn, SSH_SFTP_READDIR_INIT);
+        else
+          state(conn, SSH_SFTP_DOWNLOAD_INIT);
+      }
+      break;
+
+    case SSH_SFTP_UPLOAD_INIT:
+    {
+      int flags;
+
+      if(data->state.resume_from != 0) {
+        sftp_attributes attrs;
+
+        if(data->state.resume_from < 0) {
+          attrs = sftp_stat(sshc->sftp_session, protop->path);
+          if(attrs != 0) {
+            curl_off_t size = attrs->size;
+            if(size < 0) {
+              failf(data, "Bad file size (%" CURL_FORMAT_CURL_OFF_T ")", size);
+              MOVE_TO_ERROR_STATE(CURLE_BAD_DOWNLOAD_RESUME);
+            }
+            data->state.resume_from = attrs->size;
+
+            sftp_attributes_free(attrs);
+          }
+          else {
+            data->state.resume_from = 0;
+          }
+        }
+      }
+
+      if(data->set.ftp_append)
+        /* Try to open for append, but create if nonexisting */
+        flags = O_WRONLY|O_CREAT|O_APPEND;
+      else if(data->state.resume_from > 0)
+        /* If we have restart position then open for append */
+        flags = O_WRONLY|O_APPEND;
+      else
+        /* Clear file before writing (normal behaviour) */
+        flags = O_WRONLY|O_APPEND|O_CREAT|O_TRUNC;
+
+      if(sshc->sftp_file)
+        sftp_close(sshc->sftp_file);
+      sshc->sftp_file =
+        sftp_open(sshc->sftp_session, protop->path,
+                  flags, (mode_t)data->set.new_file_perms);
+      if(!sshc->sftp_file) {
+        err = sftp_get_error(sshc->sftp_session);
+
+        if(((err == SSH_FX_NO_SUCH_FILE || err == SSH_FX_FAILURE ||
+             err == SSH_FX_NO_SUCH_PATH)) &&
+             (data->set.ftp_create_missing_dirs &&
+             (strlen(protop->path) > 1))) {
+               /* try to create the path remotely */
+               rc = 0;
+               sshc->secondCreateDirs = 1;
+               state(conn, SSH_SFTP_CREATE_DIRS_INIT);
+               break;
+        }
+        else {
+          MOVE_TO_SFTP_CLOSE_STATE();
+        }
+      }
+
+      /* If we have a restart point then we need to seek to the correct
+         position. */
+      if(data->state.resume_from > 0) {
+        /* Let's read off the proper amount of bytes from the input. */
+        if(conn->seek_func) {
+          Curl_set_in_callback(data, true);
+          seekerr = conn->seek_func(conn->seek_client, data->state.resume_from,
+                                    SEEK_SET);
+          Curl_set_in_callback(data, false);
+        }
+
+        if(seekerr != CURL_SEEKFUNC_OK) {
+          curl_off_t passed = 0;
+
+          if(seekerr != CURL_SEEKFUNC_CANTSEEK) {
+            failf(data, "Could not seek stream");
+            return CURLE_FTP_COULDNT_USE_REST;
+          }
+          /* seekerr == CURL_SEEKFUNC_CANTSEEK (can't seek to offset) */
+          do {
+            size_t readthisamountnow =
+              (data->state.resume_from - passed > data->set.buffer_size) ?
+              (size_t)data->set.buffer_size :
+              curlx_sotouz(data->state.resume_from - passed);
+
+            size_t actuallyread =
+              data->state.fread_func(data->state.buffer, 1,
+                                     readthisamountnow, data->state.in);
+
+            passed += actuallyread;
+            if((actuallyread == 0) || (actuallyread > readthisamountnow)) {
+              /* this checks for greater-than only to make sure that the
+                 CURL_READFUNC_ABORT return code still aborts */
+              failf(data, "Failed to read data");
+              MOVE_TO_ERROR_STATE(CURLE_FTP_COULDNT_USE_REST);
+            }
+          } while(passed < data->state.resume_from);
+        }
+
+        /* now, decrease the size of the read */
+        if(data->state.infilesize > 0) {
+          data->state.infilesize -= data->state.resume_from;
+          data->req.size = data->state.infilesize;
+          Curl_pgrsSetUploadSize(data, data->state.infilesize);
+        }
+
+        rc = sftp_seek64(sshc->sftp_file, data->state.resume_from);
+        if(rc != 0) {
+          MOVE_TO_SFTP_CLOSE_STATE();
+        }
+      }
+      if(data->state.infilesize > 0) {
+        data->req.size = data->state.infilesize;
+        Curl_pgrsSetUploadSize(data, data->state.infilesize);
+      }
+      /* upload data */
+      Curl_setup_transfer(conn, -1, -1, FALSE, NULL, FIRSTSOCKET, NULL);
+
+      /* not set by Curl_setup_transfer to preserve keepon bits */
+      conn->sockfd = conn->writesockfd;
+
+      /* store this original bitmask setup to use later on if we can't
+         figure out a "real" bitmask */
+      sshc->orig_waitfor = data->req.keepon;
+
+      /* we want to use the _sending_ function even when the socket turns
+         out readable as the underlying libssh sftp send function will deal
+         with both accordingly */
+      conn->cselect_bits = CURL_CSELECT_OUT;
+
+      /* since we don't really wait for anything at this point, we want the
+         state machine to move on as soon as possible so we set a very short
+         timeout here */
+      Curl_expire(data, 0, EXPIRE_RUN_NOW);
+
+      state(conn, SSH_STOP);
+      break;
+    }
+
+    case SSH_SFTP_CREATE_DIRS_INIT:
+      if(strlen(protop->path) > 1) {
+        sshc->slash_pos = protop->path + 1; /* ignore the leading '/' */
+        state(conn, SSH_SFTP_CREATE_DIRS);
+      }
+      else {
+        state(conn, SSH_SFTP_UPLOAD_INIT);
+      }
+      break;
+
+    case SSH_SFTP_CREATE_DIRS:
+      sshc->slash_pos = strchr(sshc->slash_pos, '/');
+      if(sshc->slash_pos) {
+        *sshc->slash_pos = 0;
+
+        infof(data, "Creating directory '%s'\n", protop->path);
+        state(conn, SSH_SFTP_CREATE_DIRS_MKDIR);
+        break;
+      }
+      state(conn, SSH_SFTP_UPLOAD_INIT);
+      break;
+
+    case SSH_SFTP_CREATE_DIRS_MKDIR:
+      /* 'mode' - parameter is preliminary - default to 0644 */
+      rc = sftp_mkdir(sshc->sftp_session, protop->path,
+                      (mode_t)data->set.new_directory_perms);
+      *sshc->slash_pos = '/';
+      ++sshc->slash_pos;
+      if(rc < 0) {
+        /*
+         * Abort if failure wasn't that the dir already exists or the
+         * permission was denied (creation might succeed further down the
+         * path) - retry on unspecific FAILURE also
+         */
+        err = sftp_get_error(sshc->sftp_session);
+        if((err != SSH_FX_FILE_ALREADY_EXISTS) &&
+           (err != SSH_FX_FAILURE) &&
+           (err != SSH_FX_PERMISSION_DENIED)) {
+          MOVE_TO_SFTP_CLOSE_STATE();
+        }
+        rc = 0; /* clear rc and continue */
+      }
+      state(conn, SSH_SFTP_CREATE_DIRS);
+      break;
+
+    case SSH_SFTP_READDIR_INIT:
+      Curl_pgrsSetDownloadSize(data, -1);
+      if(data->set.opt_no_body) {
+        state(conn, SSH_STOP);
+        break;
+      }
+
+      /*
+       * This is a directory that we are trying to get, so produce a directory
+       * listing
+       */
+      sshc->sftp_dir = sftp_opendir(sshc->sftp_session,
+                                    protop->path);
+      if(!sshc->sftp_dir) {
+        failf(data, "Could not open directory for reading: %s",
+              ssh_get_error(sshc->ssh_session));
+        MOVE_TO_SFTP_CLOSE_STATE();
+      }
+      state(conn, SSH_SFTP_READDIR);
+      break;
+
+    case SSH_SFTP_READDIR:
+
+      if(sshc->readdir_attrs)
+        sftp_attributes_free(sshc->readdir_attrs);
+
+      sshc->readdir_attrs = sftp_readdir(sshc->sftp_session, sshc->sftp_dir);
+      if(sshc->readdir_attrs) {
+        sshc->readdir_filename = sshc->readdir_attrs->name;
+        sshc->readdir_longentry = sshc->readdir_attrs->longname;
+        sshc->readdir_len = strlen(sshc->readdir_filename);
+
+        if(data->set.ftp_list_only) {
+          char *tmpLine;
+
+          tmpLine = aprintf("%s\n", sshc->readdir_filename);
+          if(tmpLine == NULL) {
+            state(conn, SSH_SFTP_CLOSE);
+            sshc->actualcode = CURLE_OUT_OF_MEMORY;
+            break;
+          }
+          result = Curl_client_write(conn, CLIENTWRITE_BODY,
+                                     tmpLine, sshc->readdir_len + 1);
+          free(tmpLine);
+
+          if(result) {
+            state(conn, SSH_STOP);
+            break;
+          }
+          /* since this counts what we send to the client, we include the
+             newline in this counter */
+          data->req.bytecount += sshc->readdir_len + 1;
+
+          /* output debug output if that is requested */
+          if(data->set.verbose) {
+            Curl_debug(data, CURLINFO_DATA_OUT,
+                       (char *)sshc->readdir_filename,
+                       sshc->readdir_len);
+          }
+        }
+        else {
+          sshc->readdir_currLen = strlen(sshc->readdir_longentry);
+          sshc->readdir_totalLen = 80 + sshc->readdir_currLen;
+          sshc->readdir_line = calloc(sshc->readdir_totalLen, 1);
+          if(!sshc->readdir_line) {
+            state(conn, SSH_SFTP_CLOSE);
+            sshc->actualcode = CURLE_OUT_OF_MEMORY;
+            break;
+          }
+
+          memcpy(sshc->readdir_line, sshc->readdir_longentry,
+                 sshc->readdir_currLen);
+          if((sshc->readdir_attrs->flags & SSH_FILEXFER_ATTR_PERMISSIONS) &&
+             ((sshc->readdir_attrs->permissions & S_IFMT) ==
+              S_IFLNK)) {
+            sshc->readdir_linkPath = malloc(PATH_MAX + 1);
+            if(sshc->readdir_linkPath == NULL) {
+              state(conn, SSH_SFTP_CLOSE);
+              sshc->actualcode = CURLE_OUT_OF_MEMORY;
+              break;
+            }
+
+            msnprintf(sshc->readdir_linkPath, PATH_MAX, "%s%s", protop->path,
+                      sshc->readdir_filename);
+
+            state(conn, SSH_SFTP_READDIR_LINK);
+            break;
+          }
+          state(conn, SSH_SFTP_READDIR_BOTTOM);
+          break;
+        }
+      }
+      else if(sshc->readdir_attrs == NULL && sftp_dir_eof(sshc->sftp_dir)) {
+        state(conn, SSH_SFTP_READDIR_DONE);
+        break;
+      }
+      else {
+        failf(data, "Could not open remote file for reading: %s",
+              ssh_get_error(sshc->ssh_session));
+        MOVE_TO_SFTP_CLOSE_STATE();
+        break;
+      }
+      break;
+
+    case SSH_SFTP_READDIR_LINK:
+      if(sshc->readdir_link_attrs)
+        sftp_attributes_free(sshc->readdir_link_attrs);
+
+      sshc->readdir_link_attrs = sftp_lstat(sshc->sftp_session,
+                                            sshc->readdir_linkPath);
+      if(sshc->readdir_link_attrs == 0) {
+        failf(data, "Could not read symlink for reading: %s",
+              ssh_get_error(sshc->ssh_session));
+        MOVE_TO_SFTP_CLOSE_STATE();
+      }
+
+      if(sshc->readdir_link_attrs->name == NULL) {
+        sshc->readdir_tmp = sftp_readlink(sshc->sftp_session,
+                                          sshc->readdir_linkPath);
+        if(sshc->readdir_filename == NULL)
+          sshc->readdir_len = 0;
+        else
+          sshc->readdir_len = strlen(sshc->readdir_tmp);
+        sshc->readdir_longentry = NULL;
+        sshc->readdir_filename = sshc->readdir_tmp;
+      }
+      else {
+        sshc->readdir_len = strlen(sshc->readdir_link_attrs->name);
+        sshc->readdir_filename = sshc->readdir_link_attrs->name;
+        sshc->readdir_longentry = sshc->readdir_link_attrs->longname;
+      }
+
+      Curl_safefree(sshc->readdir_linkPath);
+
+      /* get room for the filename and extra output */
+      sshc->readdir_totalLen += 4 + sshc->readdir_len;
+      new_readdir_line = Curl_saferealloc(sshc->readdir_line,
+                                          sshc->readdir_totalLen);
+      if(!new_readdir_line) {
+        sshc->readdir_line = NULL;
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->actualcode = CURLE_OUT_OF_MEMORY;
+        break;
+      }
+      sshc->readdir_line = new_readdir_line;
+
+      sshc->readdir_currLen += msnprintf(sshc->readdir_line +
+                                         sshc->readdir_currLen,
+                                         sshc->readdir_totalLen -
+                                         sshc->readdir_currLen,
+                                         " -> %s",
+                                         sshc->readdir_filename);
+
+      sftp_attributes_free(sshc->readdir_link_attrs);
+      sshc->readdir_link_attrs = NULL;
+      sshc->readdir_filename = NULL;
+      sshc->readdir_longentry = NULL;
+
+      state(conn, SSH_SFTP_READDIR_BOTTOM);
+      /* FALLTHROUGH */
+    case SSH_SFTP_READDIR_BOTTOM:
+      sshc->readdir_currLen += msnprintf(sshc->readdir_line +
+                                         sshc->readdir_currLen,
+                                         sshc->readdir_totalLen -
+                                         sshc->readdir_currLen, "\n");
+      result = Curl_client_write(conn, CLIENTWRITE_BODY,
+                                 sshc->readdir_line,
+                                 sshc->readdir_currLen);
+
+      if(!result) {
+
+        /* output debug output if that is requested */
+        if(data->set.verbose) {
+          Curl_debug(data, CURLINFO_DATA_OUT, sshc->readdir_line,
+                     sshc->readdir_currLen);
+        }
+        data->req.bytecount += sshc->readdir_currLen;
+      }
+      Curl_safefree(sshc->readdir_line);
+      ssh_string_free_char(sshc->readdir_tmp);
+      sshc->readdir_tmp = NULL;
+
+      if(result) {
+        state(conn, SSH_STOP);
+      }
+      else
+        state(conn, SSH_SFTP_READDIR);
+      break;
+
+    case SSH_SFTP_READDIR_DONE:
+      sftp_closedir(sshc->sftp_dir);
+      sshc->sftp_dir = NULL;
+
+      /* no data to transfer */
+      Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
+      state(conn, SSH_STOP);
+      break;
+
+    case SSH_SFTP_DOWNLOAD_INIT:
+      /*
+       * Work on getting the specified file
+       */
+      if(sshc->sftp_file)
+        sftp_close(sshc->sftp_file);
+
+      sshc->sftp_file = sftp_open(sshc->sftp_session, protop->path,
+                                  O_RDONLY, (mode_t)data->set.new_file_perms);
+      if(!sshc->sftp_file) {
+        failf(data, "Could not open remote file for reading: %s",
+              ssh_get_error(sshc->ssh_session));
+
+        MOVE_TO_SFTP_CLOSE_STATE();
+      }
+
+      state(conn, SSH_SFTP_DOWNLOAD_STAT);
+      break;
+
+    case SSH_SFTP_DOWNLOAD_STAT:
+    {
+      sftp_attributes attrs;
+      curl_off_t size;
+
+      attrs = sftp_fstat(sshc->sftp_file);
+      if(!attrs ||
+              !(attrs->flags & SSH_FILEXFER_ATTR_SIZE) ||
+              (attrs->size == 0)) {
+        /*
+         * sftp_fstat didn't return an error, so maybe the server
+         * just doesn't support stat()
+         * OR the server doesn't return a file size with a stat()
+         * OR file size is 0
+         */
+        data->req.size = -1;
+        data->req.maxdownload = -1;
+        Curl_pgrsSetDownloadSize(data, -1);
+        size = 0;
+      }
+      else {
+        size = attrs->size;
+
+        sftp_attributes_free(attrs);
+
+        if(size < 0) {
+          failf(data, "Bad file size (%" CURL_FORMAT_CURL_OFF_T ")", size);
+          return CURLE_BAD_DOWNLOAD_RESUME;
+        }
+        if(conn->data->state.use_range) {
+          curl_off_t from, to;
+          char *ptr;
+          char *ptr2;
+          CURLofft to_t;
+          CURLofft from_t;
+
+          from_t = curlx_strtoofft(conn->data->state.range, &ptr, 0, &from);
+          if(from_t == CURL_OFFT_FLOW) {
+            return CURLE_RANGE_ERROR;
+          }
+          while(*ptr && (ISSPACE(*ptr) || (*ptr == '-')))
+            ptr++;
+          to_t = curlx_strtoofft(ptr, &ptr2, 0, &to);
+          if(to_t == CURL_OFFT_FLOW) {
+            return CURLE_RANGE_ERROR;
+          }
+          if((to_t == CURL_OFFT_INVAL) /* no "to" value given */
+             || (to >= size)) {
+            to = size - 1;
+          }
+          if(from_t) {
+            /* from is relative to end of file */
+            from = size - to;
+            to = size - 1;
+          }
+          if(from > size) {
+            failf(data, "Offset (%"
+                  CURL_FORMAT_CURL_OFF_T ") was beyond file size (%"
+                  CURL_FORMAT_CURL_OFF_T ")", from, size);
+            return CURLE_BAD_DOWNLOAD_RESUME;
+          }
+          if(from > to) {
+            from = to;
+            size = 0;
+          }
+          else {
+            size = to - from + 1;
+          }
+
+          rc = sftp_seek64(sshc->sftp_file, from);
+          if(rc != 0) {
+            MOVE_TO_SFTP_CLOSE_STATE();
+          }
+        }
+        data->req.size = size;
+        data->req.maxdownload = size;
+        Curl_pgrsSetDownloadSize(data, size);
+      }
+
+      /* We can resume if we can seek to the resume position */
+      if(data->state.resume_from) {
+        if(data->state.resume_from < 0) {
+          /* We're supposed to download the last abs(from) bytes */
+          if((curl_off_t)size < -data->state.resume_from) {
+            failf(data, "Offset (%"
+                  CURL_FORMAT_CURL_OFF_T ") was beyond file size (%"
+                  CURL_FORMAT_CURL_OFF_T ")",
+                  data->state.resume_from, size);
+            return CURLE_BAD_DOWNLOAD_RESUME;
+          }
+          /* download from where? */
+          data->state.resume_from += size;
+        }
+        else {
+          if((curl_off_t)size < data->state.resume_from) {
+            failf(data, "Offset (%" CURL_FORMAT_CURL_OFF_T
+                  ") was beyond file size (%" CURL_FORMAT_CURL_OFF_T ")",
+                  data->state.resume_from, size);
+            return CURLE_BAD_DOWNLOAD_RESUME;
+          }
+        }
+        /* Does a completed file need to be seeked and started or closed ? */
+        /* Now store the number of bytes we are expected to download */
+        data->req.size = size - data->state.resume_from;
+        data->req.maxdownload = size - data->state.resume_from;
+        Curl_pgrsSetDownloadSize(data,
+                                 size - data->state.resume_from);
+
+        rc = sftp_seek64(sshc->sftp_file, data->state.resume_from);
+        if(rc != 0) {
+          MOVE_TO_SFTP_CLOSE_STATE();
+        }
+      }
+    }
+
+    /* Setup the actual download */
+    if(data->req.size == 0) {
+      /* no data to transfer */
+      Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
+      infof(data, "File already completely downloaded\n");
+      state(conn, SSH_STOP);
+      break;
+    }
+    Curl_setup_transfer(conn, FIRSTSOCKET, data->req.size,
+                        FALSE, NULL, -1, NULL);
+
+    /* not set by Curl_setup_transfer to preserve keepon bits */
+    conn->writesockfd = conn->sockfd;
+
+    /* we want to use the _receiving_ function even when the socket turns
+       out writableable as the underlying libssh recv function will deal
+       with both accordingly */
+    conn->cselect_bits = CURL_CSELECT_IN;
+
+    if(result) {
+      /* this should never occur; the close state should be entered
+         at the time the error occurs */
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->actualcode = result;
+    }
+    else {
+      sshc->sftp_recv_state = 0;
+      state(conn, SSH_STOP);
+    }
+    break;
+
+    case SSH_SFTP_CLOSE:
+      if(sshc->sftp_file) {
+        sftp_close(sshc->sftp_file);
+        sshc->sftp_file = NULL;
+      }
+      Curl_safefree(protop->path);
+
+      DEBUGF(infof(data, "SFTP DONE done\n"));
+
+      /* Check if nextstate is set and move .nextstate could be POSTQUOTE_INIT
+         After nextstate is executed, the control should come back to
+         SSH_SFTP_CLOSE to pass the correct result back  */
+      if(sshc->nextstate != SSH_NO_STATE &&
+         sshc->nextstate != SSH_SFTP_CLOSE) {
+        state(conn, sshc->nextstate);
+        sshc->nextstate = SSH_SFTP_CLOSE;
+      }
+      else {
+        state(conn, SSH_STOP);
+        result = sshc->actualcode;
+      }
+      break;
+
+    case SSH_SFTP_SHUTDOWN:
+      /* during times we get here due to a broken transfer and then the
+         sftp_handle might not have been taken down so make sure that is done
+         before we proceed */
+
+      if(sshc->sftp_file) {
+        sftp_close(sshc->sftp_file);
+        sshc->sftp_file = NULL;
+      }
+
+      if(sshc->sftp_session) {
+        sftp_free(sshc->sftp_session);
+        sshc->sftp_session = NULL;
+      }
+
+      SSH_STRING_FREE_CHAR(sshc->homedir);
+      conn->data->state.most_recent_ftp_entrypath = NULL;
+
+      state(conn, SSH_SESSION_DISCONNECT);
+      break;
+
+
+    case SSH_SCP_TRANS_INIT:
+      result = Curl_getworkingpath(conn, sshc->homedir, &protop->path);
+      if(result) {
+        sshc->actualcode = result;
+        state(conn, SSH_STOP);
+        break;
+      }
+
+      /* Functions from the SCP subsystem cannot handle/return SSH_AGAIN */
+      ssh_set_blocking(sshc->ssh_session, 1);
+
+      if(data->set.upload) {
+        if(data->state.infilesize < 0) {
+          failf(data, "SCP requires a known file size for upload");
+          sshc->actualcode = CURLE_UPLOAD_FAILED;
+          MOVE_TO_ERROR_STATE(CURLE_UPLOAD_FAILED);
+        }
+
+        sshc->scp_session =
+          ssh_scp_new(sshc->ssh_session, SSH_SCP_WRITE, protop->path);
+        state(conn, SSH_SCP_UPLOAD_INIT);
+      }
+      else {
+        sshc->scp_session =
+          ssh_scp_new(sshc->ssh_session, SSH_SCP_READ, protop->path);
+        state(conn, SSH_SCP_DOWNLOAD_INIT);
+      }
+
+      if(!sshc->scp_session) {
+        err_msg = ssh_get_error(sshc->ssh_session);
+        failf(conn->data, "%s", err_msg);
+        MOVE_TO_ERROR_STATE(CURLE_UPLOAD_FAILED);
+      }
+
+      break;
+
+    case SSH_SCP_UPLOAD_INIT:
+
+      rc = ssh_scp_init(sshc->scp_session);
+      if(rc != SSH_OK) {
+        err_msg = ssh_get_error(sshc->ssh_session);
+        failf(conn->data, "%s", err_msg);
+        MOVE_TO_ERROR_STATE(CURLE_UPLOAD_FAILED);
+      }
+
+      rc = ssh_scp_push_file(sshc->scp_session, protop->path,
+                             data->state.infilesize,
+                             (int)data->set.new_file_perms);
+      if(rc != SSH_OK) {
+        err_msg = ssh_get_error(sshc->ssh_session);
+        failf(conn->data, "%s", err_msg);
+        MOVE_TO_ERROR_STATE(CURLE_UPLOAD_FAILED);
+      }
+
+      /* upload data */
+      Curl_setup_transfer(conn, -1, data->req.size, FALSE, NULL,
+                          FIRSTSOCKET, NULL);
+
+      /* not set by Curl_setup_transfer to preserve keepon bits */
+      conn->sockfd = conn->writesockfd;
+
+      /* store this original bitmask setup to use later on if we can't
+         figure out a "real" bitmask */
+      sshc->orig_waitfor = data->req.keepon;
+
+      /* we want to use the _sending_ function even when the socket turns
+         out readable as the underlying libssh scp send function will deal
+         with both accordingly */
+      conn->cselect_bits = CURL_CSELECT_OUT;
+
+      state(conn, SSH_STOP);
+
+      break;
+
+    case SSH_SCP_DOWNLOAD_INIT:
+
+      rc = ssh_scp_init(sshc->scp_session);
+      if(rc != SSH_OK) {
+        err_msg = ssh_get_error(sshc->ssh_session);
+        failf(conn->data, "%s", err_msg);
+        MOVE_TO_ERROR_STATE(CURLE_COULDNT_CONNECT);
+      }
+      state(conn, SSH_SCP_DOWNLOAD);
+      /* FALLTHROUGH */
+
+    case SSH_SCP_DOWNLOAD:{
+        curl_off_t bytecount;
+
+        rc = ssh_scp_pull_request(sshc->scp_session);
+        if(rc != SSH_SCP_REQUEST_NEWFILE) {
+          err_msg = ssh_get_error(sshc->ssh_session);
+          failf(conn->data, "%s", err_msg);
+          MOVE_TO_ERROR_STATE(CURLE_REMOTE_FILE_NOT_FOUND);
+          break;
+        }
+
+        /* download data */
+        bytecount = ssh_scp_request_get_size(sshc->scp_session);
+        data->req.maxdownload = (curl_off_t) bytecount;
+        Curl_setup_transfer(conn, FIRSTSOCKET, bytecount, FALSE, NULL, -1,
+                            NULL);
+
+        /* not set by Curl_setup_transfer to preserve keepon bits */
+        conn->writesockfd = conn->sockfd;
+
+        /* we want to use the _receiving_ function even when the socket turns
+           out writableable as the underlying libssh recv function will deal
+           with both accordingly */
+        conn->cselect_bits = CURL_CSELECT_IN;
+
+        state(conn, SSH_STOP);
+        break;
+      }
+    case SSH_SCP_DONE:
+      if(data->set.upload)
+        state(conn, SSH_SCP_SEND_EOF);
+      else
+        state(conn, SSH_SCP_CHANNEL_FREE);
+      break;
+
+    case SSH_SCP_SEND_EOF:
+      if(sshc->scp_session) {
+        rc = ssh_scp_close(sshc->scp_session);
+        if(rc == SSH_AGAIN) {
+          /* Currently the ssh_scp_close handles waiting for EOF in
+           * blocking way.
+           */
+          break;
+        }
+        if(rc != SSH_OK) {
+          infof(data, "Failed to close libssh scp channel: %s\n",
+                ssh_get_error(sshc->ssh_session));
+        }
+      }
+
+      state(conn, SSH_SCP_CHANNEL_FREE);
+      break;
+
+    case SSH_SCP_CHANNEL_FREE:
+      if(sshc->scp_session) {
+        ssh_scp_free(sshc->scp_session);
+        sshc->scp_session = NULL;
+      }
+      DEBUGF(infof(data, "SCP DONE phase complete\n"));
+
+      ssh_set_blocking(sshc->ssh_session, 0);
+
+      state(conn, SSH_SESSION_DISCONNECT);
+      /* FALLTHROUGH */
+
+    case SSH_SESSION_DISCONNECT:
+      /* during weird times when we've been prematurely aborted, the channel
+         is still alive when we reach this state and we MUST kill the channel
+         properly first */
+      if(sshc->scp_session) {
+        ssh_scp_free(sshc->scp_session);
+        sshc->scp_session = NULL;
+      }
+
+      ssh_disconnect(sshc->ssh_session);
+
+      SSH_STRING_FREE_CHAR(sshc->homedir);
+      conn->data->state.most_recent_ftp_entrypath = NULL;
+
+      state(conn, SSH_SESSION_FREE);
+      /* FALLTHROUGH */
+    case SSH_SESSION_FREE:
+      if(sshc->ssh_session) {
+        ssh_free(sshc->ssh_session);
+        sshc->ssh_session = NULL;
+      }
+
+      /* worst-case scenario cleanup */
+
+      DEBUGASSERT(sshc->ssh_session == NULL);
+      DEBUGASSERT(sshc->scp_session == NULL);
+
+      if(sshc->readdir_tmp) {
+        ssh_string_free_char(sshc->readdir_tmp);
+        sshc->readdir_tmp = NULL;
+      }
+
+      if(sshc->quote_attrs)
+        sftp_attributes_free(sshc->quote_attrs);
+
+      if(sshc->readdir_attrs)
+        sftp_attributes_free(sshc->readdir_attrs);
+
+      if(sshc->readdir_link_attrs)
+        sftp_attributes_free(sshc->readdir_link_attrs);
+
+      if(sshc->privkey)
+        ssh_key_free(sshc->privkey);
+      if(sshc->pubkey)
+        ssh_key_free(sshc->pubkey);
+
+      Curl_safefree(sshc->rsa_pub);
+      Curl_safefree(sshc->rsa);
+      Curl_safefree(sshc->quote_path1);
+      Curl_safefree(sshc->quote_path2);
+      Curl_safefree(sshc->readdir_line);
+      Curl_safefree(sshc->readdir_linkPath);
+      SSH_STRING_FREE_CHAR(sshc->homedir);
+
+      /* the code we are about to return */
+      result = sshc->actualcode;
+
+      memset(sshc, 0, sizeof(struct ssh_conn));
+
+      connclose(conn, "SSH session free");
+      sshc->state = SSH_SESSION_FREE;   /* current */
+      sshc->nextstate = SSH_NO_STATE;
+      state(conn, SSH_STOP);
+      break;
+
+    case SSH_QUIT:
+      /* fallthrough, just stop! */
+    default:
+      /* internal error */
+      sshc->nextstate = SSH_NO_STATE;
+      state(conn, SSH_STOP);
+      break;
+
+    }
+  } while(!rc && (sshc->state != SSH_STOP));
+
+
+  if(rc == SSH_AGAIN) {
+    /* we would block, we need to wait for the socket to be ready (in the
+       right direction too)! */
+    *block = TRUE;
+  }
+
+  return result;
+}
+
+
+/* called by the multi interface to figure out what socket(s) to wait for and
+   for what actions in the DO_DONE, PERFORM and WAITPERFORM states */
+static int myssh_perform_getsock(const struct connectdata *conn,
+                                 curl_socket_t *sock,  /* points to numsocks
+                                                          number of sockets */
+                                 int numsocks)
+{
+  int bitmap = GETSOCK_BLANK;
+  (void) numsocks;
+
+  sock[0] = conn->sock[FIRSTSOCKET];
+
+  if(conn->waitfor & KEEP_RECV)
+    bitmap |= GETSOCK_READSOCK(FIRSTSOCKET);
+
+  if(conn->waitfor & KEEP_SEND)
+    bitmap |= GETSOCK_WRITESOCK(FIRSTSOCKET);
+
+  return bitmap;
+}
+
+/* Generic function called by the multi interface to figure out what socket(s)
+   to wait for and for what actions during the DOING and PROTOCONNECT states*/
+static int myssh_getsock(struct connectdata *conn,
+                         curl_socket_t *sock,  /* points to numsocks
+                                                   number of sockets */
+                         int numsocks)
+{
+  /* if we know the direction we can use the generic *_getsock() function even
+     for the protocol_connect and doing states */
+  return myssh_perform_getsock(conn, sock, numsocks);
+}
+
+static void myssh_block2waitfor(struct connectdata *conn, bool block)
+{
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  int dir;
+
+  /* If it didn't block, or nothing was returned by ssh_get_poll_flags
+   * have the original set */
+  conn->waitfor = sshc->orig_waitfor;
+
+  if(block) {
+    dir = ssh_get_poll_flags(sshc->ssh_session);
+    if(dir & SSH_READ_PENDING) {
+      /* translate the libssh define bits into our own bit defines */
+      conn->waitfor = KEEP_RECV;
+    }
+    else if(dir & SSH_WRITE_PENDING) {
+      conn->waitfor = KEEP_SEND;
+    }
+  }
+}
+
+/* called repeatedly until done from multi.c */
+static CURLcode myssh_multi_statemach(struct connectdata *conn,
+                                      bool *done)
+{
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  CURLcode result = CURLE_OK;
+  bool block;    /* we store the status and use that to provide a ssh_getsock()
+                    implementation */
+
+  result = myssh_statemach_act(conn, &block);
+  *done = (sshc->state == SSH_STOP) ? TRUE : FALSE;
+  myssh_block2waitfor(conn, block);
+
+  return result;
+}
+
+static CURLcode myssh_block_statemach(struct connectdata *conn,
+                                      bool disconnect)
+{
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  while((sshc->state != SSH_STOP) && !result) {
+    bool block;
+    timediff_t left = 1000;
+    struct curltime now = Curl_now();
+
+    result = myssh_statemach_act(conn, &block);
+    if(result)
+      break;
+
+    if(!disconnect) {
+      if(Curl_pgrsUpdate(conn))
+        return CURLE_ABORTED_BY_CALLBACK;
+
+      result = Curl_speedcheck(data, now);
+      if(result)
+        break;
+
+      left = Curl_timeleft(data, NULL, FALSE);
+      if(left < 0) {
+        failf(data, "Operation timed out");
+        return CURLE_OPERATION_TIMEDOUT;
+      }
+    }
+
+    if(!result && block) {
+      curl_socket_t sock = conn->sock[FIRSTSOCKET];
+      curl_socket_t fd_read = CURL_SOCKET_BAD;
+      fd_read = sock;
+      /* wait for the socket to become ready */
+      (void) Curl_socket_check(fd_read, CURL_SOCKET_BAD,
+                               CURL_SOCKET_BAD, left > 1000 ? 1000 : left);
+    }
+
+  }
+
+  return result;
+}
+
+/*
+ * SSH setup connection
+ */
+static CURLcode myssh_setup_connection(struct connectdata *conn)
+{
+  struct SSHPROTO *ssh;
+
+  conn->data->req.protop = ssh = calloc(1, sizeof(struct SSHPROTO));
+  if(!ssh)
+    return CURLE_OUT_OF_MEMORY;
+
+  return CURLE_OK;
+}
+
+static Curl_recv scp_recv, sftp_recv;
+static Curl_send scp_send, sftp_send;
+
+/*
+ * Curl_ssh_connect() gets called from Curl_protocol_connect() to allow us to
+ * do protocol-specific actions at connect-time.
+ */
+static CURLcode myssh_connect(struct connectdata *conn, bool *done)
+{
+  struct ssh_conn *ssh;
+  CURLcode result;
+  curl_socket_t sock = conn->sock[FIRSTSOCKET];
+  struct Curl_easy *data = conn->data;
+  int rc;
+
+  /* initialize per-handle data if not already */
+  if(!data->req.protop)
+    myssh_setup_connection(conn);
+
+  /* We default to persistent connections. We set this already in this connect
+     function to make the re-use checks properly be able to check this bit. */
+  connkeep(conn, "SSH default");
+
+  if(conn->handler->protocol & CURLPROTO_SCP) {
+    conn->recv[FIRSTSOCKET] = scp_recv;
+    conn->send[FIRSTSOCKET] = scp_send;
+  }
+  else {
+    conn->recv[FIRSTSOCKET] = sftp_recv;
+    conn->send[FIRSTSOCKET] = sftp_send;
+  }
+
+  ssh = &conn->proto.sshc;
+
+  ssh->ssh_session = ssh_new();
+  if(ssh->ssh_session == NULL) {
+    failf(data, "Failure initialising ssh session");
+    return CURLE_FAILED_INIT;
+  }
+
+  ssh_options_set(ssh->ssh_session, SSH_OPTIONS_FD, &sock);
+
+  if(conn->user) {
+    infof(data, "User: %s\n", conn->user);
+    ssh_options_set(ssh->ssh_session, SSH_OPTIONS_USER, conn->user);
+  }
+
+  if(data->set.str[STRING_SSH_KNOWNHOSTS]) {
+    infof(data, "Known hosts: %s\n", data->set.str[STRING_SSH_KNOWNHOSTS]);
+    ssh_options_set(ssh->ssh_session, SSH_OPTIONS_KNOWNHOSTS,
+                    data->set.str[STRING_SSH_KNOWNHOSTS]);
+  }
+
+  ssh_options_set(ssh->ssh_session, SSH_OPTIONS_HOST, conn->host.name);
+  if(conn->remote_port)
+    ssh_options_set(ssh->ssh_session, SSH_OPTIONS_PORT,
+                    &conn->remote_port);
+
+  if(data->set.ssh_compression) {
+    ssh_options_set(ssh->ssh_session, SSH_OPTIONS_COMPRESSION,
+                    "zlib,zlib@openssh.com,none");
+  }
+
+  ssh->privkey = NULL;
+  ssh->pubkey = NULL;
+
+  if(data->set.str[STRING_SSH_PUBLIC_KEY]) {
+    rc = ssh_pki_import_pubkey_file(data->set.str[STRING_SSH_PUBLIC_KEY],
+                                    &ssh->pubkey);
+    if(rc != SSH_OK) {
+      failf(data, "Could not load public key file");
+      /* ignore */
+    }
+  }
+
+  /* we do not verify here, we do it at the state machine,
+   * after connection */
+
+  state(conn, SSH_INIT);
+
+  result = myssh_multi_statemach(conn, done);
+
+  return result;
+}
+
+/* called from multi.c while DOing */
+static CURLcode scp_doing(struct connectdata *conn, bool *dophase_done)
+{
+  CURLcode result;
+
+  result = myssh_multi_statemach(conn, dophase_done);
+
+  if(*dophase_done) {
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+  }
+  return result;
+}
+
+/*
+ ***********************************************************************
+ *
+ * scp_perform()
+ *
+ * This is the actual DO function for SCP. Get a file according to
+ * the options previously setup.
+ */
+
+static
+CURLcode scp_perform(struct connectdata *conn,
+                     bool *connected, bool *dophase_done)
+{
+  CURLcode result = CURLE_OK;
+
+  DEBUGF(infof(conn->data, "DO phase starts\n"));
+
+  *dophase_done = FALSE;        /* not done yet */
+
+  /* start the first command in the DO phase */
+  state(conn, SSH_SCP_TRANS_INIT);
+
+  result = myssh_multi_statemach(conn, dophase_done);
+
+  *connected = conn->bits.tcpconnect[FIRSTSOCKET];
+
+  if(*dophase_done) {
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+  }
+
+  return result;
+}
+
+static CURLcode myssh_do_it(struct connectdata *conn, bool *done)
+{
+  CURLcode result;
+  bool connected = 0;
+  struct Curl_easy *data = conn->data;
+  struct ssh_conn *sshc = &conn->proto.sshc;
+
+  *done = FALSE;                /* default to false */
+
+  data->req.size = -1;          /* make sure this is unknown at this point */
+
+  sshc->actualcode = CURLE_OK;  /* reset error code */
+  sshc->secondCreateDirs = 0;   /* reset the create dir attempt state
+                                   variable */
+
+  Curl_pgrsSetUploadCounter(data, 0);
+  Curl_pgrsSetDownloadCounter(data, 0);
+  Curl_pgrsSetUploadSize(data, -1);
+  Curl_pgrsSetDownloadSize(data, -1);
+
+  if(conn->handler->protocol & CURLPROTO_SCP)
+    result = scp_perform(conn, &connected, done);
+  else
+    result = sftp_perform(conn, &connected, done);
+
+  return result;
+}
+
+/* BLOCKING, but the function is using the state machine so the only reason
+   this is still blocking is that the multi interface code has no support for
+   disconnecting operations that takes a while */
+static CURLcode scp_disconnect(struct connectdata *conn,
+                               bool dead_connection)
+{
+  CURLcode result = CURLE_OK;
+  struct ssh_conn *ssh = &conn->proto.sshc;
+  (void) dead_connection;
+
+  if(ssh->ssh_session) {
+    /* only if there's a session still around to use! */
+
+    state(conn, SSH_SESSION_DISCONNECT);
+
+    result = myssh_block_statemach(conn, TRUE);
+  }
+
+  return result;
+}
+
+/* generic done function for both SCP and SFTP called from their specific
+   done functions */
+static CURLcode myssh_done(struct connectdata *conn, CURLcode status)
+{
+  CURLcode result = CURLE_OK;
+  struct SSHPROTO *protop = conn->data->req.protop;
+
+  if(!status) {
+    /* run the state-machine
+
+       TODO: when the multi interface is used, this _really_ should be using
+       the ssh_multi_statemach function but we have no general support for
+       non-blocking DONE operations!
+     */
+    result = myssh_block_statemach(conn, FALSE);
+  }
+  else
+    result = status;
+
+  if(protop)
+    Curl_safefree(protop->path);
+  if(Curl_pgrsDone(conn))
+    return CURLE_ABORTED_BY_CALLBACK;
+
+  conn->data->req.keepon = 0;   /* clear all bits */
+  return result;
+}
+
+
+static CURLcode scp_done(struct connectdata *conn, CURLcode status,
+                         bool premature)
+{
+  (void) premature;             /* not used */
+
+  if(!status)
+    state(conn, SSH_SCP_DONE);
+
+  return myssh_done(conn, status);
+
+}
+
+static ssize_t scp_send(struct connectdata *conn, int sockindex,
+                        const void *mem, size_t len, CURLcode *err)
+{
+  int rc;
+  (void) sockindex; /* we only support SCP on the fixed known primary socket */
+  (void) err;
+
+  rc = ssh_scp_write(conn->proto.sshc.scp_session, mem, len);
+
+#if 0
+  /* The following code is misleading, mostly added as wishful thinking
+   * that libssh at some point will implement non-blocking ssh_scp_write/read.
+   * Currently rc can only be number of bytes read or SSH_ERROR. */
+  myssh_block2waitfor(conn, (rc == SSH_AGAIN) ? TRUE : FALSE);
+
+  if(rc == SSH_AGAIN) {
+    *err = CURLE_AGAIN;
+    return 0;
+  }
+  else
+#endif
+  if(rc != SSH_OK) {
+    *err = CURLE_SSH;
+    return -1;
+  }
+
+  return len;
+}
+
+static ssize_t scp_recv(struct connectdata *conn, int sockindex,
+                        char *mem, size_t len, CURLcode *err)
+{
+  ssize_t nread;
+  (void) err;
+  (void) sockindex; /* we only support SCP on the fixed known primary socket */
+
+  /* libssh returns int */
+  nread = ssh_scp_read(conn->proto.sshc.scp_session, mem, len);
+
+#if 0
+  /* The following code is misleading, mostly added as wishful thinking
+   * that libssh at some point will implement non-blocking ssh_scp_write/read.
+   * Currently rc can only be SSH_OK or SSH_ERROR. */
+
+  myssh_block2waitfor(conn, (nread == SSH_AGAIN) ? TRUE : FALSE);
+  if(nread == SSH_AGAIN) {
+    *err = CURLE_AGAIN;
+    nread = -1;
+  }
+#endif
+
+  return nread;
+}
+
+/*
+ * =============== SFTP ===============
+ */
+
+/*
+ ***********************************************************************
+ *
+ * sftp_perform()
+ *
+ * This is the actual DO function for SFTP. Get a file/directory according to
+ * the options previously setup.
+ */
+
+static
+CURLcode sftp_perform(struct connectdata *conn,
+                      bool *connected,
+                      bool *dophase_done)
+{
+  CURLcode result = CURLE_OK;
+
+  DEBUGF(infof(conn->data, "DO phase starts\n"));
+
+  *dophase_done = FALSE; /* not done yet */
+
+  /* start the first command in the DO phase */
+  state(conn, SSH_SFTP_QUOTE_INIT);
+
+  /* run the state-machine */
+  result = myssh_multi_statemach(conn, dophase_done);
+
+  *connected = conn->bits.tcpconnect[FIRSTSOCKET];
+
+  if(*dophase_done) {
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+  }
+
+  return result;
+}
+
+/* called from multi.c while DOing */
+static CURLcode sftp_doing(struct connectdata *conn,
+                           bool *dophase_done)
+{
+  CURLcode result = myssh_multi_statemach(conn, dophase_done);
+  if(*dophase_done) {
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+  }
+  return result;
+}
+
+/* BLOCKING, but the function is using the state machine so the only reason
+   this is still blocking is that the multi interface code has no support for
+   disconnecting operations that takes a while */
+static CURLcode sftp_disconnect(struct connectdata *conn, bool dead_connection)
+{
+  CURLcode result = CURLE_OK;
+  (void) dead_connection;
+
+  DEBUGF(infof(conn->data, "SSH DISCONNECT starts now\n"));
+
+  if(conn->proto.sshc.ssh_session) {
+    /* only if there's a session still around to use! */
+    state(conn, SSH_SFTP_SHUTDOWN);
+    result = myssh_block_statemach(conn, TRUE);
+  }
+
+  DEBUGF(infof(conn->data, "SSH DISCONNECT is done\n"));
+
+  return result;
+
+}
+
+static CURLcode sftp_done(struct connectdata *conn, CURLcode status,
+                               bool premature)
+{
+  struct ssh_conn *sshc = &conn->proto.sshc;
+
+  if(!status) {
+    /* Post quote commands are executed after the SFTP_CLOSE state to avoid
+       errors that could happen due to open file handles during POSTQUOTE
+       operation */
+    if(!status && !premature && conn->data->set.postquote &&
+       !conn->bits.retry) {
+      sshc->nextstate = SSH_SFTP_POSTQUOTE_INIT;
+      state(conn, SSH_SFTP_CLOSE);
+    }
+    else
+      state(conn, SSH_SFTP_CLOSE);
+  }
+  return myssh_done(conn, status);
+}
+
+/* return number of sent bytes */
+static ssize_t sftp_send(struct connectdata *conn, int sockindex,
+                         const void *mem, size_t len, CURLcode *err)
+{
+  ssize_t nwrite;
+  (void)sockindex;
+
+  nwrite = sftp_write(conn->proto.sshc.sftp_file, mem, len);
+
+  myssh_block2waitfor(conn, FALSE);
+
+#if 0 /* not returned by libssh on write */
+  if(nwrite == SSH_AGAIN) {
+    *err = CURLE_AGAIN;
+    nwrite = 0;
+  }
+  else
+#endif
+  if(nwrite < 0) {
+    *err = CURLE_SSH;
+    nwrite = -1;
+  }
+
+  return nwrite;
+}
+
+/*
+ * Return number of received (decrypted) bytes
+ * or <0 on error
+ */
+static ssize_t sftp_recv(struct connectdata *conn, int sockindex,
+                         char *mem, size_t len, CURLcode *err)
+{
+  ssize_t nread;
+  (void)sockindex;
+
+  DEBUGASSERT(len < CURL_MAX_READ_SIZE);
+
+  switch(conn->proto.sshc.sftp_recv_state) {
+    case 0:
+      conn->proto.sshc.sftp_file_index =
+            sftp_async_read_begin(conn->proto.sshc.sftp_file,
+                                  (uint32_t)len);
+      if(conn->proto.sshc.sftp_file_index < 0) {
+        *err = CURLE_RECV_ERROR;
+        return -1;
+      }
+
+      /* FALLTHROUGH */
+    case 1:
+      conn->proto.sshc.sftp_recv_state = 1;
+
+      nread = sftp_async_read(conn->proto.sshc.sftp_file,
+                              mem, (uint32_t)len,
+                              conn->proto.sshc.sftp_file_index);
+
+      myssh_block2waitfor(conn, (nread == SSH_AGAIN)?TRUE:FALSE);
+
+      if(nread == SSH_AGAIN) {
+        *err = CURLE_AGAIN;
+        return -1;
+      }
+      else if(nread < 0) {
+        *err = CURLE_RECV_ERROR;
+        return -1;
+      }
+
+      conn->proto.sshc.sftp_recv_state = 0;
+      return nread;
+
+    default:
+      /* we never reach here */
+      return -1;
+  }
+}
+
+static void sftp_quote(struct connectdata *conn)
+{
+  const char *cp;
+  struct Curl_easy *data = conn->data;
+  struct SSHPROTO *protop = data->req.protop;
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  CURLcode result;
+
+  /*
+   * Support some of the "FTP" commands
+   */
+  char *cmd = sshc->quote_item->data;
+  sshc->acceptfail = FALSE;
+
+  /* if a command starts with an asterisk, which a legal SFTP command never
+     can, the command will be allowed to fail without it causing any
+     aborts or cancels etc. It will cause libcurl to act as if the command
+     is successful, whatever the server reponds. */
+
+  if(cmd[0] == '*') {
+    cmd++;
+    sshc->acceptfail = TRUE;
+  }
+
+  if(strcasecompare("pwd", cmd)) {
+    /* output debug output if that is requested */
+    char *tmp = aprintf("257 \"%s\" is current directory.\n",
+                        protop->path);
+    if(!tmp) {
+      sshc->actualcode = CURLE_OUT_OF_MEMORY;
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->nextstate = SSH_NO_STATE;
+      return;
+    }
+    if(data->set.verbose) {
+      Curl_debug(data, CURLINFO_HEADER_OUT, (char *) "PWD\n", 4);
+      Curl_debug(data, CURLINFO_HEADER_IN, tmp, strlen(tmp));
+    }
+    /* this sends an FTP-like "header" to the header callback so that the
+       current directory can be read very similar to how it is read when
+       using ordinary FTP. */
+    result = Curl_client_write(conn, CLIENTWRITE_HEADER, tmp, strlen(tmp));
+    free(tmp);
+    if(result) {
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->nextstate = SSH_NO_STATE;
+      sshc->actualcode = result;
+    }
+    else
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+    return;
+  }
+
+  /*
+   * the arguments following the command must be separated from the
+   * command with a space so we can check for it unconditionally
+   */
+  cp = strchr(cmd, ' ');
+  if(cp == NULL) {
+    failf(data, "Syntax error in SFTP command. Supply parameter(s)!");
+    state(conn, SSH_SFTP_CLOSE);
+    sshc->nextstate = SSH_NO_STATE;
+    sshc->actualcode = CURLE_QUOTE_ERROR;
+    return;
+  }
+
+  /*
+   * also, every command takes at least one argument so we get that
+   * first argument right now
+   */
+  result = Curl_get_pathname(&cp, &sshc->quote_path1, sshc->homedir);
+  if(result) {
+    if(result == CURLE_OUT_OF_MEMORY)
+      failf(data, "Out of memory");
+    else
+      failf(data, "Syntax error: Bad first parameter");
+    state(conn, SSH_SFTP_CLOSE);
+    sshc->nextstate = SSH_NO_STATE;
+    sshc->actualcode = result;
+    return;
+  }
+
+  /*
+   * SFTP is a binary protocol, so we don't send text commands
+   * to the server. Instead, we scan for commands used by
+   * OpenSSH's sftp program and call the appropriate libssh
+   * functions.
+   */
+  if(strncasecompare(cmd, "chgrp ", 6) ||
+     strncasecompare(cmd, "chmod ", 6) ||
+     strncasecompare(cmd, "chown ", 6)) {
+    /* attribute change */
+
+    /* sshc->quote_path1 contains the mode to set */
+    /* get the destination */
+    result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
+    if(result) {
+      if(result == CURLE_OUT_OF_MEMORY)
+        failf(data, "Out of memory");
+      else
+        failf(data, "Syntax error in chgrp/chmod/chown: "
+              "Bad second parameter");
+      Curl_safefree(sshc->quote_path1);
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->nextstate = SSH_NO_STATE;
+      sshc->actualcode = result;
+      return;
+    }
+    sshc->quote_attrs = NULL;
+    state(conn, SSH_SFTP_QUOTE_STAT);
+    return;
+  }
+  if(strncasecompare(cmd, "ln ", 3) ||
+     strncasecompare(cmd, "symlink ", 8)) {
+    /* symbolic linking */
+    /* sshc->quote_path1 is the source */
+    /* get the destination */
+    result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
+    if(result) {
+      if(result == CURLE_OUT_OF_MEMORY)
+        failf(data, "Out of memory");
+      else
+        failf(data, "Syntax error in ln/symlink: Bad second parameter");
+      Curl_safefree(sshc->quote_path1);
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->nextstate = SSH_NO_STATE;
+      sshc->actualcode = result;
+      return;
+    }
+    state(conn, SSH_SFTP_QUOTE_SYMLINK);
+    return;
+  }
+  else if(strncasecompare(cmd, "mkdir ", 6)) {
+    /* create dir */
+    state(conn, SSH_SFTP_QUOTE_MKDIR);
+    return;
+  }
+  else if(strncasecompare(cmd, "rename ", 7)) {
+    /* rename file */
+    /* first param is the source path */
+    /* second param is the dest. path */
+    result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
+    if(result) {
+      if(result == CURLE_OUT_OF_MEMORY)
+        failf(data, "Out of memory");
+      else
+        failf(data, "Syntax error in rename: Bad second parameter");
+      Curl_safefree(sshc->quote_path1);
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->nextstate = SSH_NO_STATE;
+      sshc->actualcode = result;
+      return;
+    }
+    state(conn, SSH_SFTP_QUOTE_RENAME);
+    return;
+  }
+  else if(strncasecompare(cmd, "rmdir ", 6)) {
+    /* delete dir */
+    state(conn, SSH_SFTP_QUOTE_RMDIR);
+    return;
+  }
+  else if(strncasecompare(cmd, "rm ", 3)) {
+    state(conn, SSH_SFTP_QUOTE_UNLINK);
+    return;
+  }
+#ifdef HAS_STATVFS_SUPPORT
+  else if(strncasecompare(cmd, "statvfs ", 8)) {
+    state(conn, SSH_SFTP_QUOTE_STATVFS);
+    return;
+  }
+#endif
+
+  failf(data, "Unknown SFTP command");
+  Curl_safefree(sshc->quote_path1);
+  Curl_safefree(sshc->quote_path2);
+  state(conn, SSH_SFTP_CLOSE);
+  sshc->nextstate = SSH_NO_STATE;
+  sshc->actualcode = CURLE_QUOTE_ERROR;
+}
+
+static void sftp_quote_stat(struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  char *cmd = sshc->quote_item->data;
+  sshc->acceptfail = FALSE;
+
+  /* if a command starts with an asterisk, which a legal SFTP command never
+     can, the command will be allowed to fail without it causing any
+     aborts or cancels etc. It will cause libcurl to act as if the command
+     is successful, whatever the server reponds. */
+
+  if(cmd[0] == '*') {
+    cmd++;
+    sshc->acceptfail = TRUE;
+  }
+
+  /* We read the file attributes, store them in sshc->quote_attrs
+   * and modify them accordingly to command. Then we switch to
+   * QUOTE_SETSTAT state to write new ones.
+   */
+
+  if(sshc->quote_attrs)
+    sftp_attributes_free(sshc->quote_attrs);
+  sshc->quote_attrs = sftp_stat(sshc->sftp_session, sshc->quote_path2);
+  if(sshc->quote_attrs == NULL) {
+    Curl_safefree(sshc->quote_path1);
+    Curl_safefree(sshc->quote_path2);
+    failf(data, "Attempt to get SFTP stats failed: %d",
+          sftp_get_error(sshc->sftp_session));
+    state(conn, SSH_SFTP_CLOSE);
+    sshc->nextstate = SSH_NO_STATE;
+    sshc->actualcode = CURLE_QUOTE_ERROR;
+    return;
+  }
+
+  /* Now set the new attributes... */
+  if(strncasecompare(cmd, "chgrp", 5)) {
+    sshc->quote_attrs->gid = (uint32_t)strtoul(sshc->quote_path1, NULL, 10);
+    if(sshc->quote_attrs->gid == 0 && !ISDIGIT(sshc->quote_path1[0]) &&
+        !sshc->acceptfail) {
+      Curl_safefree(sshc->quote_path1);
+      Curl_safefree(sshc->quote_path2);
+      failf(data, "Syntax error: chgrp gid not a number");
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->nextstate = SSH_NO_STATE;
+      sshc->actualcode = CURLE_QUOTE_ERROR;
+      return;
+    }
+    sshc->quote_attrs->flags |= SSH_FILEXFER_ATTR_UIDGID;
+  }
+  else if(strncasecompare(cmd, "chmod", 5)) {
+    mode_t perms;
+    perms = (mode_t)strtoul(sshc->quote_path1, NULL, 8);
+    /* permissions are octal */
+    if(perms == 0 && !ISDIGIT(sshc->quote_path1[0])) {
+      Curl_safefree(sshc->quote_path1);
+      Curl_safefree(sshc->quote_path2);
+      failf(data, "Syntax error: chmod permissions not a number");
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->nextstate = SSH_NO_STATE;
+      sshc->actualcode = CURLE_QUOTE_ERROR;
+      return;
+    }
+    sshc->quote_attrs->permissions = perms;
+    sshc->quote_attrs->flags |= SSH_FILEXFER_ATTR_PERMISSIONS;
+  }
+  else if(strncasecompare(cmd, "chown", 5)) {
+    sshc->quote_attrs->uid = (uint32_t)strtoul(sshc->quote_path1, NULL, 10);
+    if(sshc->quote_attrs->uid == 0 && !ISDIGIT(sshc->quote_path1[0]) &&
+        !sshc->acceptfail) {
+      Curl_safefree(sshc->quote_path1);
+      Curl_safefree(sshc->quote_path2);
+      failf(data, "Syntax error: chown uid not a number");
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->nextstate = SSH_NO_STATE;
+      sshc->actualcode = CURLE_QUOTE_ERROR;
+      return;
+    }
+    sshc->quote_attrs->flags |= SSH_FILEXFER_ATTR_UIDGID;
+  }
+
+  /* Now send the completed structure... */
+  state(conn, SSH_SFTP_QUOTE_SETSTAT);
+  return;
+}
+
+
+#endif                          /* USE_LIBSSH */
Index: trunk/src/libs/curl-7.64.0/lib/ssh.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/ssh.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/ssh.c	(revision 85671)
@@ -0,0 +1,3352 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* #define CURL_LIBSSH2_DEBUG */
+
+#include "curl_setup.h"
+
+#ifdef USE_LIBSSH2
+
+#include <limits.h>
+
+#include <libssh2.h>
+#include <libssh2_sftp.h>
+
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_UTSNAME_H
+#include <sys/utsname.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#if (defined(NETWARE) && defined(__NOVELL_LIBC__))
+#undef in_addr_t
+#define in_addr_t unsigned long
+#endif
+
+#include <curl/curl.h>
+#include "urldata.h"
+#include "sendf.h"
+#include "hostip.h"
+#include "progress.h"
+#include "transfer.h"
+#include "escape.h"
+#include "http.h" /* for HTTP proxy tunnel stuff */
+#include "ssh.h"
+#include "url.h"
+#include "speedcheck.h"
+#include "getinfo.h"
+#include "strdup.h"
+#include "strcase.h"
+#include "vtls/vtls.h"
+#include "connect.h"
+#include "strerror.h"
+#include "inet_ntop.h"
+#include "parsedate.h" /* for the week day and month names */
+#include "sockaddr.h" /* required for Curl_sockaddr_storage */
+#include "strtoofft.h"
+#include "multiif.h"
+#include "select.h"
+#include "warnless.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "curl_path.h"
+#include "memdebug.h"
+
+#if LIBSSH2_VERSION_NUM >= 0x010206
+/* libssh2_sftp_statvfs and friends were added in 1.2.6 */
+#define HAS_STATVFS_SUPPORT 1
+#endif
+
+#define sftp_libssh2_last_error(s) curlx_ultosi(libssh2_sftp_last_error(s))
+
+#define sftp_libssh2_realpath(s,p,t,m) \
+        libssh2_sftp_symlink_ex((s), (p), curlx_uztoui(strlen(p)), \
+                                (t), (m), LIBSSH2_SFTP_REALPATH)
+
+
+/* Local functions: */
+static const char *sftp_libssh2_strerror(int err);
+static LIBSSH2_ALLOC_FUNC(my_libssh2_malloc);
+static LIBSSH2_REALLOC_FUNC(my_libssh2_realloc);
+static LIBSSH2_FREE_FUNC(my_libssh2_free);
+
+static CURLcode ssh_connect(struct connectdata *conn, bool *done);
+static CURLcode ssh_multi_statemach(struct connectdata *conn, bool *done);
+static CURLcode ssh_do(struct connectdata *conn, bool *done);
+
+static CURLcode scp_done(struct connectdata *conn,
+                         CURLcode, bool premature);
+static CURLcode scp_doing(struct connectdata *conn,
+                          bool *dophase_done);
+static CURLcode scp_disconnect(struct connectdata *conn, bool dead_connection);
+
+static CURLcode sftp_done(struct connectdata *conn,
+                          CURLcode, bool premature);
+static CURLcode sftp_doing(struct connectdata *conn,
+                           bool *dophase_done);
+static CURLcode sftp_disconnect(struct connectdata *conn, bool dead);
+static
+CURLcode sftp_perform(struct connectdata *conn,
+                      bool *connected,
+                      bool *dophase_done);
+
+static int ssh_getsock(struct connectdata *conn,
+                       curl_socket_t *sock, /* points to numsocks number
+                                               of sockets */
+                       int numsocks);
+
+static int ssh_perform_getsock(const struct connectdata *conn,
+                               curl_socket_t *sock, /* points to numsocks
+                                                       number of sockets */
+                               int numsocks);
+
+static CURLcode ssh_setup_connection(struct connectdata *conn);
+
+/*
+ * SCP protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_scp = {
+  "SCP",                                /* scheme */
+  ssh_setup_connection,                 /* setup_connection */
+  ssh_do,                               /* do_it */
+  scp_done,                             /* done */
+  ZERO_NULL,                            /* do_more */
+  ssh_connect,                          /* connect_it */
+  ssh_multi_statemach,                  /* connecting */
+  scp_doing,                            /* doing */
+  ssh_getsock,                          /* proto_getsock */
+  ssh_getsock,                          /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ssh_perform_getsock,                  /* perform_getsock */
+  scp_disconnect,                       /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_SSH,                             /* defport */
+  CURLPROTO_SCP,                        /* protocol */
+  PROTOPT_DIRLOCK | PROTOPT_CLOSEACTION
+  | PROTOPT_NOURLQUERY                  /* flags */
+};
+
+
+/*
+ * SFTP protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_sftp = {
+  "SFTP",                               /* scheme */
+  ssh_setup_connection,                 /* setup_connection */
+  ssh_do,                               /* do_it */
+  sftp_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  ssh_connect,                          /* connect_it */
+  ssh_multi_statemach,                  /* connecting */
+  sftp_doing,                           /* doing */
+  ssh_getsock,                          /* proto_getsock */
+  ssh_getsock,                          /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ssh_perform_getsock,                  /* perform_getsock */
+  sftp_disconnect,                      /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_SSH,                             /* defport */
+  CURLPROTO_SFTP,                       /* protocol */
+  PROTOPT_DIRLOCK | PROTOPT_CLOSEACTION
+  | PROTOPT_NOURLQUERY                  /* flags */
+};
+
+static void
+kbd_callback(const char *name, int name_len, const char *instruction,
+             int instruction_len, int num_prompts,
+             const LIBSSH2_USERAUTH_KBDINT_PROMPT *prompts,
+             LIBSSH2_USERAUTH_KBDINT_RESPONSE *responses,
+             void **abstract)
+{
+  struct connectdata *conn = (struct connectdata *)*abstract;
+
+#ifdef CURL_LIBSSH2_DEBUG
+  fprintf(stderr, "name=%s\n", name);
+  fprintf(stderr, "name_len=%d\n", name_len);
+  fprintf(stderr, "instruction=%s\n", instruction);
+  fprintf(stderr, "instruction_len=%d\n", instruction_len);
+  fprintf(stderr, "num_prompts=%d\n", num_prompts);
+#else
+  (void)name;
+  (void)name_len;
+  (void)instruction;
+  (void)instruction_len;
+#endif  /* CURL_LIBSSH2_DEBUG */
+  if(num_prompts == 1) {
+    responses[0].text = strdup(conn->passwd);
+    responses[0].length = curlx_uztoui(strlen(conn->passwd));
+  }
+  (void)prompts;
+  (void)abstract;
+} /* kbd_callback */
+
+static CURLcode sftp_libssh2_error_to_CURLE(int err)
+{
+  switch(err) {
+    case LIBSSH2_FX_OK:
+      return CURLE_OK;
+
+    case LIBSSH2_FX_NO_SUCH_FILE:
+    case LIBSSH2_FX_NO_SUCH_PATH:
+      return CURLE_REMOTE_FILE_NOT_FOUND;
+
+    case LIBSSH2_FX_PERMISSION_DENIED:
+    case LIBSSH2_FX_WRITE_PROTECT:
+    case LIBSSH2_FX_LOCK_CONFlICT:
+      return CURLE_REMOTE_ACCESS_DENIED;
+
+    case LIBSSH2_FX_NO_SPACE_ON_FILESYSTEM:
+    case LIBSSH2_FX_QUOTA_EXCEEDED:
+      return CURLE_REMOTE_DISK_FULL;
+
+    case LIBSSH2_FX_FILE_ALREADY_EXISTS:
+      return CURLE_REMOTE_FILE_EXISTS;
+
+    case LIBSSH2_FX_DIR_NOT_EMPTY:
+      return CURLE_QUOTE_ERROR;
+
+    default:
+      break;
+  }
+
+  return CURLE_SSH;
+}
+
+static CURLcode libssh2_session_error_to_CURLE(int err)
+{
+  switch(err) {
+    /* Ordered by order of appearance in libssh2.h */
+    case LIBSSH2_ERROR_NONE:
+      return CURLE_OK;
+
+    /* This is the error returned by libssh2_scp_recv2
+     * on unknown file */
+    case LIBSSH2_ERROR_SCP_PROTOCOL:
+      return CURLE_REMOTE_FILE_NOT_FOUND;
+
+    case LIBSSH2_ERROR_SOCKET_NONE:
+      return CURLE_COULDNT_CONNECT;
+
+    case LIBSSH2_ERROR_ALLOC:
+      return CURLE_OUT_OF_MEMORY;
+
+    case LIBSSH2_ERROR_SOCKET_SEND:
+      return CURLE_SEND_ERROR;
+
+    case LIBSSH2_ERROR_HOSTKEY_INIT:
+    case LIBSSH2_ERROR_HOSTKEY_SIGN:
+    case LIBSSH2_ERROR_PUBLICKEY_UNRECOGNIZED:
+    case LIBSSH2_ERROR_PUBLICKEY_UNVERIFIED:
+      return CURLE_PEER_FAILED_VERIFICATION;
+
+    case LIBSSH2_ERROR_PASSWORD_EXPIRED:
+      return CURLE_LOGIN_DENIED;
+
+    case LIBSSH2_ERROR_SOCKET_TIMEOUT:
+    case LIBSSH2_ERROR_TIMEOUT:
+      return CURLE_OPERATION_TIMEDOUT;
+
+    case LIBSSH2_ERROR_EAGAIN:
+      return CURLE_AGAIN;
+  }
+
+  /* TODO: map some more of the libssh2 errors to the more appropriate CURLcode
+     error code, and possibly add a few new SSH-related one. We must however
+     not return or even depend on libssh2 errors in the public libcurl API */
+
+  return CURLE_SSH;
+}
+
+static LIBSSH2_ALLOC_FUNC(my_libssh2_malloc)
+{
+  (void)abstract; /* arg not used */
+  return malloc(count);
+}
+
+static LIBSSH2_REALLOC_FUNC(my_libssh2_realloc)
+{
+  (void)abstract; /* arg not used */
+  return realloc(ptr, count);
+}
+
+static LIBSSH2_FREE_FUNC(my_libssh2_free)
+{
+  (void)abstract; /* arg not used */
+  if(ptr) /* ssh2 agent sometimes call free with null ptr */
+    free(ptr);
+}
+
+/*
+ * SSH State machine related code
+ */
+/* This is the ONLY way to change SSH state! */
+static void state(struct connectdata *conn, sshstate nowstate)
+{
+  struct ssh_conn *sshc = &conn->proto.sshc;
+#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
+  /* for debug purposes */
+  static const char * const names[] = {
+    "SSH_STOP",
+    "SSH_INIT",
+    "SSH_S_STARTUP",
+    "SSH_HOSTKEY",
+    "SSH_AUTHLIST",
+    "SSH_AUTH_PKEY_INIT",
+    "SSH_AUTH_PKEY",
+    "SSH_AUTH_PASS_INIT",
+    "SSH_AUTH_PASS",
+    "SSH_AUTH_AGENT_INIT",
+    "SSH_AUTH_AGENT_LIST",
+    "SSH_AUTH_AGENT",
+    "SSH_AUTH_HOST_INIT",
+    "SSH_AUTH_HOST",
+    "SSH_AUTH_KEY_INIT",
+    "SSH_AUTH_KEY",
+    "SSH_AUTH_GSSAPI",
+    "SSH_AUTH_DONE",
+    "SSH_SFTP_INIT",
+    "SSH_SFTP_REALPATH",
+    "SSH_SFTP_QUOTE_INIT",
+    "SSH_SFTP_POSTQUOTE_INIT",
+    "SSH_SFTP_QUOTE",
+    "SSH_SFTP_NEXT_QUOTE",
+    "SSH_SFTP_QUOTE_STAT",
+    "SSH_SFTP_QUOTE_SETSTAT",
+    "SSH_SFTP_QUOTE_SYMLINK",
+    "SSH_SFTP_QUOTE_MKDIR",
+    "SSH_SFTP_QUOTE_RENAME",
+    "SSH_SFTP_QUOTE_RMDIR",
+    "SSH_SFTP_QUOTE_UNLINK",
+    "SSH_SFTP_QUOTE_STATVFS",
+    "SSH_SFTP_GETINFO",
+    "SSH_SFTP_FILETIME",
+    "SSH_SFTP_TRANS_INIT",
+    "SSH_SFTP_UPLOAD_INIT",
+    "SSH_SFTP_CREATE_DIRS_INIT",
+    "SSH_SFTP_CREATE_DIRS",
+    "SSH_SFTP_CREATE_DIRS_MKDIR",
+    "SSH_SFTP_READDIR_INIT",
+    "SSH_SFTP_READDIR",
+    "SSH_SFTP_READDIR_LINK",
+    "SSH_SFTP_READDIR_BOTTOM",
+    "SSH_SFTP_READDIR_DONE",
+    "SSH_SFTP_DOWNLOAD_INIT",
+    "SSH_SFTP_DOWNLOAD_STAT",
+    "SSH_SFTP_CLOSE",
+    "SSH_SFTP_SHUTDOWN",
+    "SSH_SCP_TRANS_INIT",
+    "SSH_SCP_UPLOAD_INIT",
+    "SSH_SCP_DOWNLOAD_INIT",
+    "SSH_SCP_DOWNLOAD",
+    "SSH_SCP_DONE",
+    "SSH_SCP_SEND_EOF",
+    "SSH_SCP_WAIT_EOF",
+    "SSH_SCP_WAIT_CLOSE",
+    "SSH_SCP_CHANNEL_FREE",
+    "SSH_SESSION_DISCONNECT",
+    "SSH_SESSION_FREE",
+    "QUIT"
+  };
+
+  /* a precaution to make sure the lists are in sync */
+  DEBUGASSERT(sizeof(names)/sizeof(names[0]) == SSH_LAST);
+
+  if(sshc->state != nowstate) {
+    infof(conn->data, "SFTP %p state change from %s to %s\n",
+          (void *)sshc, names[sshc->state], names[nowstate]);
+  }
+#endif
+
+  sshc->state = nowstate;
+}
+
+
+#ifdef HAVE_LIBSSH2_KNOWNHOST_API
+static int sshkeycallback(struct Curl_easy *easy,
+                          const struct curl_khkey *knownkey, /* known */
+                          const struct curl_khkey *foundkey, /* found */
+                          enum curl_khmatch match,
+                          void *clientp)
+{
+  (void)easy;
+  (void)knownkey;
+  (void)foundkey;
+  (void)clientp;
+
+  /* we only allow perfect matches, and we reject everything else */
+  return (match != CURLKHMATCH_OK)?CURLKHSTAT_REJECT:CURLKHSTAT_FINE;
+}
+#endif
+
+/*
+ * Earlier libssh2 versions didn't have the ability to seek to 64bit positions
+ * with 32bit size_t.
+ */
+#ifdef HAVE_LIBSSH2_SFTP_SEEK64
+#define SFTP_SEEK(x,y) libssh2_sftp_seek64(x, (libssh2_uint64_t)y)
+#else
+#define SFTP_SEEK(x,y) libssh2_sftp_seek(x, (size_t)y)
+#endif
+
+/*
+ * Earlier libssh2 versions didn't do SCP properly beyond 32bit sizes on 32bit
+ * architectures so we check of the necessary function is present.
+ */
+#ifndef HAVE_LIBSSH2_SCP_SEND64
+#define SCP_SEND(a,b,c,d) libssh2_scp_send_ex(a, b, (int)(c), (size_t)d, 0, 0)
+#else
+#define SCP_SEND(a,b,c,d) libssh2_scp_send64(a, b, (int)(c),            \
+                                             (libssh2_uint64_t)d, 0, 0)
+#endif
+
+/*
+ * libssh2 1.2.8 fixed the problem with 32bit ints used for sockets on win64.
+ */
+#ifdef HAVE_LIBSSH2_SESSION_HANDSHAKE
+#define libssh2_session_startup(x,y) libssh2_session_handshake(x,y)
+#endif
+
+static CURLcode ssh_knownhost(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+
+#ifdef HAVE_LIBSSH2_KNOWNHOST_API
+  struct Curl_easy *data = conn->data;
+
+  if(data->set.str[STRING_SSH_KNOWNHOSTS]) {
+    /* we're asked to verify the host against a file */
+    struct ssh_conn *sshc = &conn->proto.sshc;
+    int rc;
+    int keytype;
+    size_t keylen;
+    const char *remotekey = libssh2_session_hostkey(sshc->ssh_session,
+                                                    &keylen, &keytype);
+    int keycheck = LIBSSH2_KNOWNHOST_CHECK_FAILURE;
+    int keybit = 0;
+
+    if(remotekey) {
+      /*
+       * A subject to figure out is what host name we need to pass in here.
+       * What host name does OpenSSH store in its file if an IDN name is
+       * used?
+       */
+      struct libssh2_knownhost *host;
+      enum curl_khmatch keymatch;
+      curl_sshkeycallback func =
+        data->set.ssh_keyfunc?data->set.ssh_keyfunc:sshkeycallback;
+      struct curl_khkey knownkey;
+      struct curl_khkey *knownkeyp = NULL;
+      struct curl_khkey foundkey;
+
+      keybit = (keytype == LIBSSH2_HOSTKEY_TYPE_RSA)?
+        LIBSSH2_KNOWNHOST_KEY_SSHRSA:LIBSSH2_KNOWNHOST_KEY_SSHDSS;
+
+#ifdef HAVE_LIBSSH2_KNOWNHOST_CHECKP
+      keycheck = libssh2_knownhost_checkp(sshc->kh,
+                                          conn->host.name,
+                                          (conn->remote_port != PORT_SSH)?
+                                          conn->remote_port:-1,
+                                          remotekey, keylen,
+                                          LIBSSH2_KNOWNHOST_TYPE_PLAIN|
+                                          LIBSSH2_KNOWNHOST_KEYENC_RAW|
+                                          keybit,
+                                          &host);
+#else
+      keycheck = libssh2_knownhost_check(sshc->kh,
+                                         conn->host.name,
+                                         remotekey, keylen,
+                                         LIBSSH2_KNOWNHOST_TYPE_PLAIN|
+                                         LIBSSH2_KNOWNHOST_KEYENC_RAW|
+                                         keybit,
+                                         &host);
+#endif
+
+      infof(data, "SSH host check: %d, key: %s\n", keycheck,
+            (keycheck <= LIBSSH2_KNOWNHOST_CHECK_MISMATCH)?
+            host->key:"<none>");
+
+      /* setup 'knownkey' */
+      if(keycheck <= LIBSSH2_KNOWNHOST_CHECK_MISMATCH) {
+        knownkey.key = host->key;
+        knownkey.len = 0;
+        knownkey.keytype = (keytype == LIBSSH2_HOSTKEY_TYPE_RSA)?
+          CURLKHTYPE_RSA : CURLKHTYPE_DSS;
+        knownkeyp = &knownkey;
+      }
+
+      /* setup 'foundkey' */
+      foundkey.key = remotekey;
+      foundkey.len = keylen;
+      foundkey.keytype = (keytype == LIBSSH2_HOSTKEY_TYPE_RSA)?
+        CURLKHTYPE_RSA : CURLKHTYPE_DSS;
+
+      /*
+       * if any of the LIBSSH2_KNOWNHOST_CHECK_* defines and the
+       * curl_khmatch enum are ever modified, we need to introduce a
+       * translation table here!
+       */
+      keymatch = (enum curl_khmatch)keycheck;
+
+      /* Ask the callback how to behave */
+      Curl_set_in_callback(data, true);
+      rc = func(data, knownkeyp, /* from the knownhosts file */
+                &foundkey, /* from the remote host */
+                keymatch, data->set.ssh_keyfunc_userp);
+      Curl_set_in_callback(data, false);
+    }
+    else
+      /* no remotekey means failure! */
+      rc = CURLKHSTAT_REJECT;
+
+    switch(rc) {
+    default: /* unknown return codes will equal reject */
+      /* FALLTHROUGH */
+    case CURLKHSTAT_REJECT:
+      state(conn, SSH_SESSION_FREE);
+      /* FALLTHROUGH */
+    case CURLKHSTAT_DEFER:
+      /* DEFER means bail out but keep the SSH_HOSTKEY state */
+      result = sshc->actualcode = CURLE_PEER_FAILED_VERIFICATION;
+      break;
+    case CURLKHSTAT_FINE:
+    case CURLKHSTAT_FINE_ADD_TO_FILE:
+      /* proceed */
+      if(keycheck != LIBSSH2_KNOWNHOST_CHECK_MATCH) {
+        /* the found host+key didn't match but has been told to be fine
+           anyway so we add it in memory */
+        int addrc = libssh2_knownhost_add(sshc->kh,
+                                          conn->host.name, NULL,
+                                          remotekey, keylen,
+                                          LIBSSH2_KNOWNHOST_TYPE_PLAIN|
+                                          LIBSSH2_KNOWNHOST_KEYENC_RAW|
+                                          keybit, NULL);
+        if(addrc)
+          infof(data, "Warning adding the known host %s failed!\n",
+                conn->host.name);
+        else if(rc == CURLKHSTAT_FINE_ADD_TO_FILE) {
+          /* now we write the entire in-memory list of known hosts to the
+             known_hosts file */
+          int wrc =
+            libssh2_knownhost_writefile(sshc->kh,
+                                        data->set.str[STRING_SSH_KNOWNHOSTS],
+                                        LIBSSH2_KNOWNHOST_FILE_OPENSSH);
+          if(wrc) {
+            infof(data, "Warning, writing %s failed!\n",
+                  data->set.str[STRING_SSH_KNOWNHOSTS]);
+          }
+        }
+      }
+      break;
+    }
+  }
+#else /* HAVE_LIBSSH2_KNOWNHOST_API */
+  (void)conn;
+#endif
+  return result;
+}
+
+static CURLcode ssh_check_fingerprint(struct connectdata *conn)
+{
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  struct Curl_easy *data = conn->data;
+  const char *pubkey_md5 = data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5];
+  char md5buffer[33];
+  int i;
+
+  const char *fingerprint = libssh2_hostkey_hash(sshc->ssh_session,
+      LIBSSH2_HOSTKEY_HASH_MD5);
+
+  if(fingerprint) {
+    /* The fingerprint points to static storage (!), don't free() it. */
+    for(i = 0; i < 16; i++)
+      msnprintf(&md5buffer[i*2], 3, "%02x", (unsigned char) fingerprint[i]);
+    infof(data, "SSH MD5 fingerprint: %s\n", md5buffer);
+  }
+
+  /* Before we authenticate we check the hostkey's MD5 fingerprint
+   * against a known fingerprint, if available.
+   */
+  if(pubkey_md5 && strlen(pubkey_md5) == 32) {
+    if(!fingerprint || !strcasecompare(md5buffer, pubkey_md5)) {
+      if(fingerprint)
+        failf(data,
+            "Denied establishing ssh session: mismatch md5 fingerprint. "
+            "Remote %s is not equal to %s", md5buffer, pubkey_md5);
+      else
+        failf(data,
+            "Denied establishing ssh session: md5 fingerprint not available");
+      state(conn, SSH_SESSION_FREE);
+      sshc->actualcode = CURLE_PEER_FAILED_VERIFICATION;
+      return sshc->actualcode;
+    }
+    infof(data, "MD5 checksum match!\n");
+    /* as we already matched, we skip the check for known hosts */
+    return CURLE_OK;
+  }
+  return ssh_knownhost(conn);
+}
+
+/*
+ * ssh_statemach_act() runs the SSH state machine as far as it can without
+ * blocking and without reaching the end.  The data the pointer 'block' points
+ * to will be set to TRUE if the libssh2 function returns LIBSSH2_ERROR_EAGAIN
+ * meaning it wants to be called again when the socket is ready
+ */
+
+static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct SSHPROTO *sftp_scp = data->req.protop;
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  curl_socket_t sock = conn->sock[FIRSTSOCKET];
+  char *new_readdir_line;
+  int rc = LIBSSH2_ERROR_NONE;
+  int err;
+  int seekerr = CURL_SEEKFUNC_OK;
+  *block = 0; /* we're not blocking by default */
+
+  do {
+
+    switch(sshc->state) {
+    case SSH_INIT:
+      sshc->secondCreateDirs = 0;
+      sshc->nextstate = SSH_NO_STATE;
+      sshc->actualcode = CURLE_OK;
+
+      /* Set libssh2 to non-blocking, since everything internally is
+         non-blocking */
+      libssh2_session_set_blocking(sshc->ssh_session, 0);
+
+      state(conn, SSH_S_STARTUP);
+      /* FALLTHROUGH */
+
+    case SSH_S_STARTUP:
+      rc = libssh2_session_startup(sshc->ssh_session, (int)sock);
+      if(rc == LIBSSH2_ERROR_EAGAIN) {
+        break;
+      }
+      if(rc) {
+        char *err_msg = NULL;
+        (void)libssh2_session_last_error(sshc->ssh_session, &err_msg, NULL, 0);
+        failf(data, "Failure establishing ssh session: %d, %s", rc, err_msg);
+
+        state(conn, SSH_SESSION_FREE);
+        sshc->actualcode = CURLE_FAILED_INIT;
+        break;
+      }
+
+      state(conn, SSH_HOSTKEY);
+
+      /* FALLTHROUGH */
+    case SSH_HOSTKEY:
+      /*
+       * Before we authenticate we should check the hostkey's fingerprint
+       * against our known hosts. How that is handled (reading from file,
+       * whatever) is up to us.
+       */
+      result = ssh_check_fingerprint(conn);
+      if(!result)
+        state(conn, SSH_AUTHLIST);
+      /* ssh_check_fingerprint sets state appropriately on error */
+      break;
+
+    case SSH_AUTHLIST:
+      /*
+       * Figure out authentication methods
+       * NB: As soon as we have provided a username to an openssh server we
+       * must never change it later. Thus, always specify the correct username
+       * here, even though the libssh2 docs kind of indicate that it should be
+       * possible to get a 'generic' list (not user-specific) of authentication
+       * methods, presumably with a blank username. That won't work in my
+       * experience.
+       * So always specify it here.
+       */
+      sshc->authlist = libssh2_userauth_list(sshc->ssh_session,
+                                             conn->user,
+                                             curlx_uztoui(strlen(conn->user)));
+
+      if(!sshc->authlist) {
+        if(libssh2_userauth_authenticated(sshc->ssh_session)) {
+          sshc->authed = TRUE;
+          infof(data, "SSH user accepted with no authentication\n");
+          state(conn, SSH_AUTH_DONE);
+          break;
+        }
+        err = libssh2_session_last_errno(sshc->ssh_session);
+        if(err == LIBSSH2_ERROR_EAGAIN)
+          rc = LIBSSH2_ERROR_EAGAIN;
+        else {
+          state(conn, SSH_SESSION_FREE);
+          sshc->actualcode = libssh2_session_error_to_CURLE(err);
+        }
+        break;
+      }
+      infof(data, "SSH authentication methods available: %s\n",
+            sshc->authlist);
+
+      state(conn, SSH_AUTH_PKEY_INIT);
+      break;
+
+    case SSH_AUTH_PKEY_INIT:
+      /*
+       * Check the supported auth types in the order I feel is most secure
+       * with the requested type of authentication
+       */
+      sshc->authed = FALSE;
+
+      if((data->set.ssh_auth_types & CURLSSH_AUTH_PUBLICKEY) &&
+         (strstr(sshc->authlist, "publickey") != NULL)) {
+        char *home = NULL;
+        bool out_of_memory = FALSE;
+
+        sshc->rsa_pub = sshc->rsa = NULL;
+
+        /* To ponder about: should really the lib be messing about with the
+           HOME environment variable etc? */
+        home = curl_getenv("HOME");
+
+        if(data->set.str[STRING_SSH_PRIVATE_KEY])
+          sshc->rsa = strdup(data->set.str[STRING_SSH_PRIVATE_KEY]);
+        else {
+          /* If no private key file is specified, try some common paths. */
+          if(home) {
+            /* Try ~/.ssh first. */
+            sshc->rsa = aprintf("%s/.ssh/id_rsa", home);
+            if(!sshc->rsa)
+              out_of_memory = TRUE;
+            else if(access(sshc->rsa, R_OK) != 0) {
+              Curl_safefree(sshc->rsa);
+              sshc->rsa = aprintf("%s/.ssh/id_dsa", home);
+              if(!sshc->rsa)
+                out_of_memory = TRUE;
+              else if(access(sshc->rsa, R_OK) != 0) {
+                Curl_safefree(sshc->rsa);
+              }
+            }
+          }
+          if(!out_of_memory && !sshc->rsa) {
+            /* Nothing found; try the current dir. */
+            sshc->rsa = strdup("id_rsa");
+            if(sshc->rsa && access(sshc->rsa, R_OK) != 0) {
+              Curl_safefree(sshc->rsa);
+              sshc->rsa = strdup("id_dsa");
+              if(sshc->rsa && access(sshc->rsa, R_OK) != 0) {
+                Curl_safefree(sshc->rsa);
+                /* Out of guesses. Set to the empty string to avoid
+                 * surprising info messages. */
+                sshc->rsa = strdup("");
+              }
+            }
+          }
+        }
+
+        /*
+         * Unless the user explicitly specifies a public key file, let
+         * libssh2 extract the public key from the private key file.
+         * This is done by simply passing sshc->rsa_pub = NULL.
+         */
+        if(data->set.str[STRING_SSH_PUBLIC_KEY]
+           /* treat empty string the same way as NULL */
+           && data->set.str[STRING_SSH_PUBLIC_KEY][0]) {
+          sshc->rsa_pub = strdup(data->set.str[STRING_SSH_PUBLIC_KEY]);
+          if(!sshc->rsa_pub)
+            out_of_memory = TRUE;
+        }
+
+        if(out_of_memory || sshc->rsa == NULL) {
+          free(home);
+          Curl_safefree(sshc->rsa);
+          Curl_safefree(sshc->rsa_pub);
+          state(conn, SSH_SESSION_FREE);
+          sshc->actualcode = CURLE_OUT_OF_MEMORY;
+          break;
+        }
+
+        sshc->passphrase = data->set.ssl.key_passwd;
+        if(!sshc->passphrase)
+          sshc->passphrase = "";
+
+        free(home);
+
+        if(sshc->rsa_pub)
+          infof(data, "Using SSH public key file '%s'\n", sshc->rsa_pub);
+        infof(data, "Using SSH private key file '%s'\n", sshc->rsa);
+
+        state(conn, SSH_AUTH_PKEY);
+      }
+      else {
+        state(conn, SSH_AUTH_PASS_INIT);
+      }
+      break;
+
+    case SSH_AUTH_PKEY:
+      /* The function below checks if the files exists, no need to stat() here.
+       */
+      rc = libssh2_userauth_publickey_fromfile_ex(sshc->ssh_session,
+                                                  conn->user,
+                                                  curlx_uztoui(
+                                                    strlen(conn->user)),
+                                                  sshc->rsa_pub,
+                                                  sshc->rsa, sshc->passphrase);
+      if(rc == LIBSSH2_ERROR_EAGAIN) {
+        break;
+      }
+
+      Curl_safefree(sshc->rsa_pub);
+      Curl_safefree(sshc->rsa);
+
+      if(rc == 0) {
+        sshc->authed = TRUE;
+        infof(data, "Initialized SSH public key authentication\n");
+        state(conn, SSH_AUTH_DONE);
+      }
+      else {
+        char *err_msg = NULL;
+        (void)libssh2_session_last_error(sshc->ssh_session,
+                                         &err_msg, NULL, 0);
+        infof(data, "SSH public key authentication failed: %s\n", err_msg);
+        state(conn, SSH_AUTH_PASS_INIT);
+        rc = 0; /* clear rc and continue */
+      }
+      break;
+
+    case SSH_AUTH_PASS_INIT:
+      if((data->set.ssh_auth_types & CURLSSH_AUTH_PASSWORD) &&
+         (strstr(sshc->authlist, "password") != NULL)) {
+        state(conn, SSH_AUTH_PASS);
+      }
+      else {
+        state(conn, SSH_AUTH_HOST_INIT);
+        rc = 0; /* clear rc and continue */
+      }
+      break;
+
+    case SSH_AUTH_PASS:
+      rc = libssh2_userauth_password_ex(sshc->ssh_session, conn->user,
+                                        curlx_uztoui(strlen(conn->user)),
+                                        conn->passwd,
+                                        curlx_uztoui(strlen(conn->passwd)),
+                                        NULL);
+      if(rc == LIBSSH2_ERROR_EAGAIN) {
+        break;
+      }
+      if(rc == 0) {
+        sshc->authed = TRUE;
+        infof(data, "Initialized password authentication\n");
+        state(conn, SSH_AUTH_DONE);
+      }
+      else {
+        state(conn, SSH_AUTH_HOST_INIT);
+        rc = 0; /* clear rc and continue */
+      }
+      break;
+
+    case SSH_AUTH_HOST_INIT:
+      if((data->set.ssh_auth_types & CURLSSH_AUTH_HOST) &&
+         (strstr(sshc->authlist, "hostbased") != NULL)) {
+        state(conn, SSH_AUTH_HOST);
+      }
+      else {
+        state(conn, SSH_AUTH_AGENT_INIT);
+      }
+      break;
+
+    case SSH_AUTH_HOST:
+      state(conn, SSH_AUTH_AGENT_INIT);
+      break;
+
+    case SSH_AUTH_AGENT_INIT:
+#ifdef HAVE_LIBSSH2_AGENT_API
+      if((data->set.ssh_auth_types & CURLSSH_AUTH_AGENT)
+         && (strstr(sshc->authlist, "publickey") != NULL)) {
+
+        /* Connect to the ssh-agent */
+        /* The agent could be shared by a curl thread i believe
+           but nothing obvious as keys can be added/removed at any time */
+        if(!sshc->ssh_agent) {
+          sshc->ssh_agent = libssh2_agent_init(sshc->ssh_session);
+          if(!sshc->ssh_agent) {
+            infof(data, "Could not create agent object\n");
+
+            state(conn, SSH_AUTH_KEY_INIT);
+            break;
+          }
+        }
+
+        rc = libssh2_agent_connect(sshc->ssh_agent);
+        if(rc == LIBSSH2_ERROR_EAGAIN)
+          break;
+        if(rc < 0) {
+          infof(data, "Failure connecting to agent\n");
+          state(conn, SSH_AUTH_KEY_INIT);
+          rc = 0; /* clear rc and continue */
+        }
+        else {
+          state(conn, SSH_AUTH_AGENT_LIST);
+        }
+      }
+      else
+#endif /* HAVE_LIBSSH2_AGENT_API */
+        state(conn, SSH_AUTH_KEY_INIT);
+      break;
+
+    case SSH_AUTH_AGENT_LIST:
+#ifdef HAVE_LIBSSH2_AGENT_API
+      rc = libssh2_agent_list_identities(sshc->ssh_agent);
+
+      if(rc == LIBSSH2_ERROR_EAGAIN)
+        break;
+      if(rc < 0) {
+        infof(data, "Failure requesting identities to agent\n");
+        state(conn, SSH_AUTH_KEY_INIT);
+        rc = 0; /* clear rc and continue */
+      }
+      else {
+        state(conn, SSH_AUTH_AGENT);
+        sshc->sshagent_prev_identity = NULL;
+      }
+#endif
+      break;
+
+    case SSH_AUTH_AGENT:
+#ifdef HAVE_LIBSSH2_AGENT_API
+      /* as prev_identity evolves only after an identity user auth finished we
+         can safely request it again as long as EAGAIN is returned here or by
+         libssh2_agent_userauth */
+      rc = libssh2_agent_get_identity(sshc->ssh_agent,
+                                      &sshc->sshagent_identity,
+                                      sshc->sshagent_prev_identity);
+      if(rc == LIBSSH2_ERROR_EAGAIN)
+        break;
+
+      if(rc == 0) {
+        rc = libssh2_agent_userauth(sshc->ssh_agent, conn->user,
+                                    sshc->sshagent_identity);
+
+        if(rc < 0) {
+          if(rc != LIBSSH2_ERROR_EAGAIN) {
+            /* tried and failed? go to next identity */
+            sshc->sshagent_prev_identity = sshc->sshagent_identity;
+          }
+          break;
+        }
+      }
+
+      if(rc < 0)
+        infof(data, "Failure requesting identities to agent\n");
+      else if(rc == 1)
+        infof(data, "No identity would match\n");
+
+      if(rc == LIBSSH2_ERROR_NONE) {
+        sshc->authed = TRUE;
+        infof(data, "Agent based authentication successful\n");
+        state(conn, SSH_AUTH_DONE);
+      }
+      else {
+        state(conn, SSH_AUTH_KEY_INIT);
+        rc = 0; /* clear rc and continue */
+      }
+#endif
+      break;
+
+    case SSH_AUTH_KEY_INIT:
+      if((data->set.ssh_auth_types & CURLSSH_AUTH_KEYBOARD)
+         && (strstr(sshc->authlist, "keyboard-interactive") != NULL)) {
+        state(conn, SSH_AUTH_KEY);
+      }
+      else {
+        state(conn, SSH_AUTH_DONE);
+      }
+      break;
+
+    case SSH_AUTH_KEY:
+      /* Authentication failed. Continue with keyboard-interactive now. */
+      rc = libssh2_userauth_keyboard_interactive_ex(sshc->ssh_session,
+                                                    conn->user,
+                                                    curlx_uztoui(
+                                                      strlen(conn->user)),
+                                                    &kbd_callback);
+      if(rc == LIBSSH2_ERROR_EAGAIN) {
+        break;
+      }
+      if(rc == 0) {
+        sshc->authed = TRUE;
+        infof(data, "Initialized keyboard interactive authentication\n");
+      }
+      state(conn, SSH_AUTH_DONE);
+      break;
+
+    case SSH_AUTH_DONE:
+      if(!sshc->authed) {
+        failf(data, "Authentication failure");
+        state(conn, SSH_SESSION_FREE);
+        sshc->actualcode = CURLE_LOGIN_DENIED;
+        break;
+      }
+
+      /*
+       * At this point we have an authenticated ssh session.
+       */
+      infof(data, "Authentication complete\n");
+
+      Curl_pgrsTime(conn->data, TIMER_APPCONNECT); /* SSH is connected */
+
+      conn->sockfd = sock;
+      conn->writesockfd = CURL_SOCKET_BAD;
+
+      if(conn->handler->protocol == CURLPROTO_SFTP) {
+        state(conn, SSH_SFTP_INIT);
+        break;
+      }
+      infof(data, "SSH CONNECT phase done\n");
+      state(conn, SSH_STOP);
+      break;
+
+    case SSH_SFTP_INIT:
+      /*
+       * Start the libssh2 sftp session
+       */
+      sshc->sftp_session = libssh2_sftp_init(sshc->ssh_session);
+      if(!sshc->sftp_session) {
+        char *err_msg = NULL;
+        if(libssh2_session_last_errno(sshc->ssh_session) ==
+           LIBSSH2_ERROR_EAGAIN) {
+          rc = LIBSSH2_ERROR_EAGAIN;
+          break;
+        }
+
+        (void)libssh2_session_last_error(sshc->ssh_session,
+                                         &err_msg, NULL, 0);
+        failf(data, "Failure initializing sftp session: %s", err_msg);
+        state(conn, SSH_SESSION_FREE);
+        sshc->actualcode = CURLE_FAILED_INIT;
+        break;
+      }
+      state(conn, SSH_SFTP_REALPATH);
+      break;
+
+    case SSH_SFTP_REALPATH:
+    {
+      char tempHome[PATH_MAX];
+
+      /*
+       * Get the "home" directory
+       */
+      rc = sftp_libssh2_realpath(sshc->sftp_session, ".",
+                                 tempHome, PATH_MAX-1);
+      if(rc == LIBSSH2_ERROR_EAGAIN) {
+        break;
+      }
+      if(rc > 0) {
+        /* It seems that this string is not always NULL terminated */
+        tempHome[rc] = '\0';
+        sshc->homedir = strdup(tempHome);
+        if(!sshc->homedir) {
+          state(conn, SSH_SFTP_CLOSE);
+          sshc->actualcode = CURLE_OUT_OF_MEMORY;
+          break;
+        }
+        conn->data->state.most_recent_ftp_entrypath = sshc->homedir;
+      }
+      else {
+        /* Return the error type */
+        err = sftp_libssh2_last_error(sshc->sftp_session);
+        if(err)
+          result = sftp_libssh2_error_to_CURLE(err);
+        else
+          /* in this case, the error wasn't in the SFTP level but for example
+             a time-out or similar */
+          result = CURLE_SSH;
+        sshc->actualcode = result;
+        DEBUGF(infof(data, "error = %d makes libcurl = %d\n",
+                     err, (int)result));
+        state(conn, SSH_STOP);
+        break;
+      }
+    }
+    /* This is the last step in the SFTP connect phase. Do note that while
+       we get the homedir here, we get the "workingpath" in the DO action
+       since the homedir will remain the same between request but the
+       working path will not. */
+    DEBUGF(infof(data, "SSH CONNECT phase done\n"));
+    state(conn, SSH_STOP);
+    break;
+
+    case SSH_SFTP_QUOTE_INIT:
+
+      result = Curl_getworkingpath(conn, sshc->homedir, &sftp_scp->path);
+      if(result) {
+        sshc->actualcode = result;
+        state(conn, SSH_STOP);
+        break;
+      }
+
+      if(data->set.quote) {
+        infof(data, "Sending quote commands\n");
+        sshc->quote_item = data->set.quote;
+        state(conn, SSH_SFTP_QUOTE);
+      }
+      else {
+        state(conn, SSH_SFTP_GETINFO);
+      }
+      break;
+
+    case SSH_SFTP_POSTQUOTE_INIT:
+      if(data->set.postquote) {
+        infof(data, "Sending quote commands\n");
+        sshc->quote_item = data->set.postquote;
+        state(conn, SSH_SFTP_QUOTE);
+      }
+      else {
+        state(conn, SSH_STOP);
+      }
+      break;
+
+    case SSH_SFTP_QUOTE:
+      /* Send any quote commands */
+    {
+      const char *cp;
+
+      /*
+       * Support some of the "FTP" commands
+       *
+       * 'sshc->quote_item' is already verified to be non-NULL before it
+       * switched to this state.
+       */
+      char *cmd = sshc->quote_item->data;
+      sshc->acceptfail = FALSE;
+
+      /* if a command starts with an asterisk, which a legal SFTP command never
+         can, the command will be allowed to fail without it causing any
+         aborts or cancels etc. It will cause libcurl to act as if the command
+         is successful, whatever the server reponds. */
+
+      if(cmd[0] == '*') {
+        cmd++;
+        sshc->acceptfail = TRUE;
+      }
+
+      if(strcasecompare("pwd", cmd)) {
+        /* output debug output if that is requested */
+        char *tmp = aprintf("257 \"%s\" is current directory.\n",
+                            sftp_scp->path);
+        if(!tmp) {
+          result = CURLE_OUT_OF_MEMORY;
+          state(conn, SSH_SFTP_CLOSE);
+          sshc->nextstate = SSH_NO_STATE;
+          break;
+        }
+        if(data->set.verbose) {
+          Curl_debug(data, CURLINFO_HEADER_OUT, (char *)"PWD\n", 4);
+          Curl_debug(data, CURLINFO_HEADER_IN, tmp, strlen(tmp));
+        }
+        /* this sends an FTP-like "header" to the header callback so that the
+           current directory can be read very similar to how it is read when
+           using ordinary FTP. */
+        result = Curl_client_write(conn, CLIENTWRITE_HEADER, tmp, strlen(tmp));
+        free(tmp);
+        if(result) {
+          state(conn, SSH_SFTP_CLOSE);
+          sshc->nextstate = SSH_NO_STATE;
+          sshc->actualcode = result;
+        }
+        else
+          state(conn, SSH_SFTP_NEXT_QUOTE);
+        break;
+      }
+      {
+        /*
+         * the arguments following the command must be separated from the
+         * command with a space so we can check for it unconditionally
+         */
+        cp = strchr(cmd, ' ');
+        if(cp == NULL) {
+          failf(data, "Syntax error in SFTP command. Supply parameter(s)!");
+          state(conn, SSH_SFTP_CLOSE);
+          sshc->nextstate = SSH_NO_STATE;
+          sshc->actualcode = CURLE_QUOTE_ERROR;
+          break;
+        }
+
+        /*
+         * also, every command takes at least one argument so we get that
+         * first argument right now
+         */
+        result = Curl_get_pathname(&cp, &sshc->quote_path1, sshc->homedir);
+        if(result) {
+          if(result == CURLE_OUT_OF_MEMORY)
+            failf(data, "Out of memory");
+          else
+            failf(data, "Syntax error: Bad first parameter");
+          state(conn, SSH_SFTP_CLOSE);
+          sshc->nextstate = SSH_NO_STATE;
+          sshc->actualcode = result;
+          break;
+        }
+
+        /*
+         * SFTP is a binary protocol, so we don't send text commands
+         * to the server. Instead, we scan for commands used by
+         * OpenSSH's sftp program and call the appropriate libssh2
+         * functions.
+         */
+        if(strncasecompare(cmd, "chgrp ", 6) ||
+           strncasecompare(cmd, "chmod ", 6) ||
+           strncasecompare(cmd, "chown ", 6) ) {
+          /* attribute change */
+
+          /* sshc->quote_path1 contains the mode to set */
+          /* get the destination */
+          result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
+          if(result) {
+            if(result == CURLE_OUT_OF_MEMORY)
+              failf(data, "Out of memory");
+            else
+              failf(data, "Syntax error in chgrp/chmod/chown: "
+                    "Bad second parameter");
+            Curl_safefree(sshc->quote_path1);
+            state(conn, SSH_SFTP_CLOSE);
+            sshc->nextstate = SSH_NO_STATE;
+            sshc->actualcode = result;
+            break;
+          }
+          memset(&sshc->quote_attrs, 0, sizeof(LIBSSH2_SFTP_ATTRIBUTES));
+          state(conn, SSH_SFTP_QUOTE_STAT);
+          break;
+        }
+        if(strncasecompare(cmd, "ln ", 3) ||
+           strncasecompare(cmd, "symlink ", 8)) {
+          /* symbolic linking */
+          /* sshc->quote_path1 is the source */
+          /* get the destination */
+          result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
+          if(result) {
+            if(result == CURLE_OUT_OF_MEMORY)
+              failf(data, "Out of memory");
+            else
+              failf(data,
+                    "Syntax error in ln/symlink: Bad second parameter");
+            Curl_safefree(sshc->quote_path1);
+            state(conn, SSH_SFTP_CLOSE);
+            sshc->nextstate = SSH_NO_STATE;
+            sshc->actualcode = result;
+            break;
+          }
+          state(conn, SSH_SFTP_QUOTE_SYMLINK);
+          break;
+        }
+        else if(strncasecompare(cmd, "mkdir ", 6)) {
+          /* create dir */
+          state(conn, SSH_SFTP_QUOTE_MKDIR);
+          break;
+        }
+        else if(strncasecompare(cmd, "rename ", 7)) {
+          /* rename file */
+          /* first param is the source path */
+          /* second param is the dest. path */
+          result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
+          if(result) {
+            if(result == CURLE_OUT_OF_MEMORY)
+              failf(data, "Out of memory");
+            else
+              failf(data, "Syntax error in rename: Bad second parameter");
+            Curl_safefree(sshc->quote_path1);
+            state(conn, SSH_SFTP_CLOSE);
+            sshc->nextstate = SSH_NO_STATE;
+            sshc->actualcode = result;
+            break;
+          }
+          state(conn, SSH_SFTP_QUOTE_RENAME);
+          break;
+        }
+        else if(strncasecompare(cmd, "rmdir ", 6)) {
+          /* delete dir */
+          state(conn, SSH_SFTP_QUOTE_RMDIR);
+          break;
+        }
+        else if(strncasecompare(cmd, "rm ", 3)) {
+          state(conn, SSH_SFTP_QUOTE_UNLINK);
+          break;
+        }
+#ifdef HAS_STATVFS_SUPPORT
+        else if(strncasecompare(cmd, "statvfs ", 8)) {
+          state(conn, SSH_SFTP_QUOTE_STATVFS);
+          break;
+        }
+#endif
+
+        failf(data, "Unknown SFTP command");
+        Curl_safefree(sshc->quote_path1);
+        Curl_safefree(sshc->quote_path2);
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+    }
+    break;
+
+    case SSH_SFTP_NEXT_QUOTE:
+      Curl_safefree(sshc->quote_path1);
+      Curl_safefree(sshc->quote_path2);
+
+      sshc->quote_item = sshc->quote_item->next;
+
+      if(sshc->quote_item) {
+        state(conn, SSH_SFTP_QUOTE);
+      }
+      else {
+        if(sshc->nextstate != SSH_NO_STATE) {
+          state(conn, sshc->nextstate);
+          sshc->nextstate = SSH_NO_STATE;
+        }
+        else {
+          state(conn, SSH_SFTP_GETINFO);
+        }
+      }
+      break;
+
+    case SSH_SFTP_QUOTE_STAT:
+    {
+      char *cmd = sshc->quote_item->data;
+      sshc->acceptfail = FALSE;
+
+      /* if a command starts with an asterisk, which a legal SFTP command never
+         can, the command will be allowed to fail without it causing any
+         aborts or cancels etc. It will cause libcurl to act as if the command
+         is successful, whatever the server reponds. */
+
+      if(cmd[0] == '*') {
+        cmd++;
+        sshc->acceptfail = TRUE;
+      }
+
+      if(!strncasecompare(cmd, "chmod", 5)) {
+        /* Since chown and chgrp only set owner OR group but libssh2 wants to
+         * set them both at once, we need to obtain the current ownership
+         * first.  This takes an extra protocol round trip.
+         */
+        rc = libssh2_sftp_stat_ex(sshc->sftp_session, sshc->quote_path2,
+                                  curlx_uztoui(strlen(sshc->quote_path2)),
+                                  LIBSSH2_SFTP_STAT,
+                                  &sshc->quote_attrs);
+        if(rc == LIBSSH2_ERROR_EAGAIN) {
+          break;
+        }
+        if(rc != 0 && !sshc->acceptfail) { /* get those attributes */
+          err = sftp_libssh2_last_error(sshc->sftp_session);
+          Curl_safefree(sshc->quote_path1);
+          Curl_safefree(sshc->quote_path2);
+          failf(data, "Attempt to get SFTP stats failed: %s",
+                sftp_libssh2_strerror(err));
+          state(conn, SSH_SFTP_CLOSE);
+          sshc->nextstate = SSH_NO_STATE;
+          sshc->actualcode = CURLE_QUOTE_ERROR;
+          break;
+        }
+      }
+
+      /* Now set the new attributes... */
+      if(strncasecompare(cmd, "chgrp", 5)) {
+        sshc->quote_attrs.gid = strtoul(sshc->quote_path1, NULL, 10);
+        sshc->quote_attrs.flags = LIBSSH2_SFTP_ATTR_UIDGID;
+        if(sshc->quote_attrs.gid == 0 && !ISDIGIT(sshc->quote_path1[0]) &&
+           !sshc->acceptfail) {
+          Curl_safefree(sshc->quote_path1);
+          Curl_safefree(sshc->quote_path2);
+          failf(data, "Syntax error: chgrp gid not a number");
+          state(conn, SSH_SFTP_CLOSE);
+          sshc->nextstate = SSH_NO_STATE;
+          sshc->actualcode = CURLE_QUOTE_ERROR;
+          break;
+        }
+      }
+      else if(strncasecompare(cmd, "chmod", 5)) {
+        sshc->quote_attrs.permissions = strtoul(sshc->quote_path1, NULL, 8);
+        sshc->quote_attrs.flags = LIBSSH2_SFTP_ATTR_PERMISSIONS;
+        /* permissions are octal */
+        if(sshc->quote_attrs.permissions == 0 &&
+           !ISDIGIT(sshc->quote_path1[0])) {
+          Curl_safefree(sshc->quote_path1);
+          Curl_safefree(sshc->quote_path2);
+          failf(data, "Syntax error: chmod permissions not a number");
+          state(conn, SSH_SFTP_CLOSE);
+          sshc->nextstate = SSH_NO_STATE;
+          sshc->actualcode = CURLE_QUOTE_ERROR;
+          break;
+        }
+      }
+      else if(strncasecompare(cmd, "chown", 5)) {
+        sshc->quote_attrs.uid = strtoul(sshc->quote_path1, NULL, 10);
+        sshc->quote_attrs.flags = LIBSSH2_SFTP_ATTR_UIDGID;
+        if(sshc->quote_attrs.uid == 0 && !ISDIGIT(sshc->quote_path1[0]) &&
+           !sshc->acceptfail) {
+          Curl_safefree(sshc->quote_path1);
+          Curl_safefree(sshc->quote_path2);
+          failf(data, "Syntax error: chown uid not a number");
+          state(conn, SSH_SFTP_CLOSE);
+          sshc->nextstate = SSH_NO_STATE;
+          sshc->actualcode = CURLE_QUOTE_ERROR;
+          break;
+        }
+      }
+
+      /* Now send the completed structure... */
+      state(conn, SSH_SFTP_QUOTE_SETSTAT);
+      break;
+    }
+
+    case SSH_SFTP_QUOTE_SETSTAT:
+      rc = libssh2_sftp_stat_ex(sshc->sftp_session, sshc->quote_path2,
+                                curlx_uztoui(strlen(sshc->quote_path2)),
+                                LIBSSH2_SFTP_SETSTAT,
+                                &sshc->quote_attrs);
+      if(rc == LIBSSH2_ERROR_EAGAIN) {
+        break;
+      }
+      if(rc != 0 && !sshc->acceptfail) {
+        err = sftp_libssh2_last_error(sshc->sftp_session);
+        Curl_safefree(sshc->quote_path1);
+        Curl_safefree(sshc->quote_path2);
+        failf(data, "Attempt to set SFTP stats failed: %s",
+              sftp_libssh2_strerror(err));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+    case SSH_SFTP_QUOTE_SYMLINK:
+      rc = libssh2_sftp_symlink_ex(sshc->sftp_session, sshc->quote_path1,
+                                   curlx_uztoui(strlen(sshc->quote_path1)),
+                                   sshc->quote_path2,
+                                   curlx_uztoui(strlen(sshc->quote_path2)),
+                                   LIBSSH2_SFTP_SYMLINK);
+      if(rc == LIBSSH2_ERROR_EAGAIN) {
+        break;
+      }
+      if(rc != 0 && !sshc->acceptfail) {
+        err = sftp_libssh2_last_error(sshc->sftp_session);
+        Curl_safefree(sshc->quote_path1);
+        Curl_safefree(sshc->quote_path2);
+        failf(data, "symlink command failed: %s",
+              sftp_libssh2_strerror(err));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+    case SSH_SFTP_QUOTE_MKDIR:
+      rc = libssh2_sftp_mkdir_ex(sshc->sftp_session, sshc->quote_path1,
+                                 curlx_uztoui(strlen(sshc->quote_path1)),
+                                 data->set.new_directory_perms);
+      if(rc == LIBSSH2_ERROR_EAGAIN) {
+        break;
+      }
+      if(rc != 0 && !sshc->acceptfail) {
+        err = sftp_libssh2_last_error(sshc->sftp_session);
+        Curl_safefree(sshc->quote_path1);
+        failf(data, "mkdir command failed: %s", sftp_libssh2_strerror(err));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+    case SSH_SFTP_QUOTE_RENAME:
+      rc = libssh2_sftp_rename_ex(sshc->sftp_session, sshc->quote_path1,
+                                  curlx_uztoui(strlen(sshc->quote_path1)),
+                                  sshc->quote_path2,
+                                  curlx_uztoui(strlen(sshc->quote_path2)),
+                                  LIBSSH2_SFTP_RENAME_OVERWRITE |
+                                  LIBSSH2_SFTP_RENAME_ATOMIC |
+                                  LIBSSH2_SFTP_RENAME_NATIVE);
+
+      if(rc == LIBSSH2_ERROR_EAGAIN) {
+        break;
+      }
+      if(rc != 0 && !sshc->acceptfail) {
+        err = sftp_libssh2_last_error(sshc->sftp_session);
+        Curl_safefree(sshc->quote_path1);
+        Curl_safefree(sshc->quote_path2);
+        failf(data, "rename command failed: %s", sftp_libssh2_strerror(err));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+    case SSH_SFTP_QUOTE_RMDIR:
+      rc = libssh2_sftp_rmdir_ex(sshc->sftp_session, sshc->quote_path1,
+                                 curlx_uztoui(strlen(sshc->quote_path1)));
+      if(rc == LIBSSH2_ERROR_EAGAIN) {
+        break;
+      }
+      if(rc != 0 && !sshc->acceptfail) {
+        err = sftp_libssh2_last_error(sshc->sftp_session);
+        Curl_safefree(sshc->quote_path1);
+        failf(data, "rmdir command failed: %s", sftp_libssh2_strerror(err));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+    case SSH_SFTP_QUOTE_UNLINK:
+      rc = libssh2_sftp_unlink_ex(sshc->sftp_session, sshc->quote_path1,
+                                  curlx_uztoui(strlen(sshc->quote_path1)));
+      if(rc == LIBSSH2_ERROR_EAGAIN) {
+        break;
+      }
+      if(rc != 0 && !sshc->acceptfail) {
+        err = sftp_libssh2_last_error(sshc->sftp_session);
+        Curl_safefree(sshc->quote_path1);
+        failf(data, "rm command failed: %s", sftp_libssh2_strerror(err));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+#ifdef HAS_STATVFS_SUPPORT
+    case SSH_SFTP_QUOTE_STATVFS:
+    {
+      LIBSSH2_SFTP_STATVFS statvfs;
+      rc = libssh2_sftp_statvfs(sshc->sftp_session, sshc->quote_path1,
+                                curlx_uztoui(strlen(sshc->quote_path1)),
+                                &statvfs);
+
+      if(rc == LIBSSH2_ERROR_EAGAIN) {
+        break;
+      }
+      if(rc != 0 && !sshc->acceptfail) {
+        err = sftp_libssh2_last_error(sshc->sftp_session);
+        Curl_safefree(sshc->quote_path1);
+        failf(data, "statvfs command failed: %s", sftp_libssh2_strerror(err));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      else if(rc == 0) {
+        char *tmp = aprintf("statvfs:\n"
+                            "f_bsize: %llu\n" "f_frsize: %llu\n"
+                            "f_blocks: %llu\n" "f_bfree: %llu\n"
+                            "f_bavail: %llu\n" "f_files: %llu\n"
+                            "f_ffree: %llu\n" "f_favail: %llu\n"
+                            "f_fsid: %llu\n" "f_flag: %llu\n"
+                            "f_namemax: %llu\n",
+                            statvfs.f_bsize, statvfs.f_frsize,
+                            statvfs.f_blocks, statvfs.f_bfree,
+                            statvfs.f_bavail, statvfs.f_files,
+                            statvfs.f_ffree, statvfs.f_favail,
+                            statvfs.f_fsid, statvfs.f_flag,
+                            statvfs.f_namemax);
+        if(!tmp) {
+          result = CURLE_OUT_OF_MEMORY;
+          state(conn, SSH_SFTP_CLOSE);
+          sshc->nextstate = SSH_NO_STATE;
+          break;
+        }
+
+        result = Curl_client_write(conn, CLIENTWRITE_HEADER, tmp, strlen(tmp));
+        free(tmp);
+        if(result) {
+          state(conn, SSH_SFTP_CLOSE);
+          sshc->nextstate = SSH_NO_STATE;
+          sshc->actualcode = result;
+        }
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+    }
+#endif
+    case SSH_SFTP_GETINFO:
+    {
+      if(data->set.get_filetime) {
+        state(conn, SSH_SFTP_FILETIME);
+      }
+      else {
+        state(conn, SSH_SFTP_TRANS_INIT);
+      }
+      break;
+    }
+
+    case SSH_SFTP_FILETIME:
+    {
+      LIBSSH2_SFTP_ATTRIBUTES attrs;
+
+      rc = libssh2_sftp_stat_ex(sshc->sftp_session, sftp_scp->path,
+                                curlx_uztoui(strlen(sftp_scp->path)),
+                                LIBSSH2_SFTP_STAT, &attrs);
+      if(rc == LIBSSH2_ERROR_EAGAIN) {
+        break;
+      }
+      if(rc == 0) {
+        data->info.filetime = attrs.mtime;
+      }
+
+      state(conn, SSH_SFTP_TRANS_INIT);
+      break;
+    }
+
+    case SSH_SFTP_TRANS_INIT:
+      if(data->set.upload)
+        state(conn, SSH_SFTP_UPLOAD_INIT);
+      else {
+        if(sftp_scp->path[strlen(sftp_scp->path)-1] == '/')
+          state(conn, SSH_SFTP_READDIR_INIT);
+        else
+          state(conn, SSH_SFTP_DOWNLOAD_INIT);
+      }
+      break;
+
+    case SSH_SFTP_UPLOAD_INIT:
+    {
+      unsigned long flags;
+      /*
+       * NOTE!!!  libssh2 requires that the destination path is a full path
+       *          that includes the destination file and name OR ends in a "/"
+       *          If this is not done the destination file will be named the
+       *          same name as the last directory in the path.
+       */
+
+      if(data->state.resume_from != 0) {
+        LIBSSH2_SFTP_ATTRIBUTES attrs;
+        if(data->state.resume_from < 0) {
+          rc = libssh2_sftp_stat_ex(sshc->sftp_session, sftp_scp->path,
+                                    curlx_uztoui(strlen(sftp_scp->path)),
+                                    LIBSSH2_SFTP_STAT, &attrs);
+          if(rc == LIBSSH2_ERROR_EAGAIN) {
+            break;
+          }
+          if(rc) {
+            data->state.resume_from = 0;
+          }
+          else {
+            curl_off_t size = attrs.filesize;
+            if(size < 0) {
+              failf(data, "Bad file size (%" CURL_FORMAT_CURL_OFF_T ")", size);
+              return CURLE_BAD_DOWNLOAD_RESUME;
+            }
+            data->state.resume_from = attrs.filesize;
+          }
+        }
+      }
+
+      if(data->set.ftp_append)
+        /* Try to open for append, but create if nonexisting */
+        flags = LIBSSH2_FXF_WRITE|LIBSSH2_FXF_CREAT|LIBSSH2_FXF_APPEND;
+      else if(data->state.resume_from > 0)
+        /* If we have restart position then open for append */
+        flags = LIBSSH2_FXF_WRITE|LIBSSH2_FXF_APPEND;
+      else
+        /* Clear file before writing (normal behaviour) */
+        flags = LIBSSH2_FXF_WRITE|LIBSSH2_FXF_CREAT|LIBSSH2_FXF_TRUNC;
+
+      sshc->sftp_handle =
+        libssh2_sftp_open_ex(sshc->sftp_session, sftp_scp->path,
+                             curlx_uztoui(strlen(sftp_scp->path)),
+                             flags, data->set.new_file_perms,
+                             LIBSSH2_SFTP_OPENFILE);
+
+      if(!sshc->sftp_handle) {
+        rc = libssh2_session_last_errno(sshc->ssh_session);
+
+        if(LIBSSH2_ERROR_EAGAIN == rc)
+          break;
+
+        if(LIBSSH2_ERROR_SFTP_PROTOCOL == rc)
+          /* only when there was an SFTP protocol error can we extract
+             the sftp error! */
+          err = sftp_libssh2_last_error(sshc->sftp_session);
+        else
+          err = -1; /* not an sftp error at all */
+
+        if(sshc->secondCreateDirs) {
+          state(conn, SSH_SFTP_CLOSE);
+          sshc->actualcode = err>= LIBSSH2_FX_OK?
+            sftp_libssh2_error_to_CURLE(err):CURLE_SSH;
+          failf(data, "Creating the dir/file failed: %s",
+                sftp_libssh2_strerror(err));
+          break;
+        }
+        if(((err == LIBSSH2_FX_NO_SUCH_FILE) ||
+            (err == LIBSSH2_FX_FAILURE) ||
+            (err == LIBSSH2_FX_NO_SUCH_PATH)) &&
+           (data->set.ftp_create_missing_dirs &&
+            (strlen(sftp_scp->path) > 1))) {
+          /* try to create the path remotely */
+          rc = 0; /* clear rc and continue */
+          sshc->secondCreateDirs = 1;
+          state(conn, SSH_SFTP_CREATE_DIRS_INIT);
+          break;
+        }
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->actualcode = err>= LIBSSH2_FX_OK?
+          sftp_libssh2_error_to_CURLE(err):CURLE_SSH;
+        if(!sshc->actualcode) {
+          /* Sometimes, for some reason libssh2_sftp_last_error() returns
+             zero even though libssh2_sftp_open() failed previously! We need
+             to work around that! */
+          sshc->actualcode = CURLE_SSH;
+          err = -1;
+        }
+        failf(data, "Upload failed: %s (%d/%d)",
+              err>= LIBSSH2_FX_OK?sftp_libssh2_strerror(err):"ssh error",
+              err, rc);
+        break;
+      }
+
+      /* If we have a restart point then we need to seek to the correct
+         position. */
+      if(data->state.resume_from > 0) {
+        /* Let's read off the proper amount of bytes from the input. */
+        if(conn->seek_func) {
+          Curl_set_in_callback(data, true);
+          seekerr = conn->seek_func(conn->seek_client, data->state.resume_from,
+                                    SEEK_SET);
+          Curl_set_in_callback(data, false);
+        }
+
+        if(seekerr != CURL_SEEKFUNC_OK) {
+          curl_off_t passed = 0;
+
+          if(seekerr != CURL_SEEKFUNC_CANTSEEK) {
+            failf(data, "Could not seek stream");
+            return CURLE_FTP_COULDNT_USE_REST;
+          }
+          /* seekerr == CURL_SEEKFUNC_CANTSEEK (can't seek to offset) */
+          do {
+            size_t readthisamountnow =
+              (data->state.resume_from - passed > data->set.buffer_size) ?
+              (size_t)data->set.buffer_size :
+              curlx_sotouz(data->state.resume_from - passed);
+
+            size_t actuallyread;
+            Curl_set_in_callback(data, true);
+            actuallyread = data->state.fread_func(data->state.buffer, 1,
+                                                  readthisamountnow,
+                                                  data->state.in);
+            Curl_set_in_callback(data, false);
+
+            passed += actuallyread;
+            if((actuallyread == 0) || (actuallyread > readthisamountnow)) {
+              /* this checks for greater-than only to make sure that the
+                 CURL_READFUNC_ABORT return code still aborts */
+              failf(data, "Failed to read data");
+              return CURLE_FTP_COULDNT_USE_REST;
+            }
+          } while(passed < data->state.resume_from);
+        }
+
+        /* now, decrease the size of the read */
+        if(data->state.infilesize > 0) {
+          data->state.infilesize -= data->state.resume_from;
+          data->req.size = data->state.infilesize;
+          Curl_pgrsSetUploadSize(data, data->state.infilesize);
+        }
+
+        SFTP_SEEK(sshc->sftp_handle, data->state.resume_from);
+      }
+      if(data->state.infilesize > 0) {
+        data->req.size = data->state.infilesize;
+        Curl_pgrsSetUploadSize(data, data->state.infilesize);
+      }
+      /* upload data */
+      Curl_setup_transfer(conn, -1, -1, FALSE, NULL, FIRSTSOCKET, NULL);
+
+      /* not set by Curl_setup_transfer to preserve keepon bits */
+      conn->sockfd = conn->writesockfd;
+
+      if(result) {
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->actualcode = result;
+      }
+      else {
+        /* store this original bitmask setup to use later on if we can't
+           figure out a "real" bitmask */
+        sshc->orig_waitfor = data->req.keepon;
+
+        /* we want to use the _sending_ function even when the socket turns
+           out readable as the underlying libssh2 sftp send function will deal
+           with both accordingly */
+        conn->cselect_bits = CURL_CSELECT_OUT;
+
+        /* since we don't really wait for anything at this point, we want the
+           state machine to move on as soon as possible so we set a very short
+           timeout here */
+        Curl_expire(data, 0, EXPIRE_RUN_NOW);
+
+        state(conn, SSH_STOP);
+      }
+      break;
+    }
+
+    case SSH_SFTP_CREATE_DIRS_INIT:
+      if(strlen(sftp_scp->path) > 1) {
+        sshc->slash_pos = sftp_scp->path + 1; /* ignore the leading '/' */
+        state(conn, SSH_SFTP_CREATE_DIRS);
+      }
+      else {
+        state(conn, SSH_SFTP_UPLOAD_INIT);
+      }
+      break;
+
+    case SSH_SFTP_CREATE_DIRS:
+      sshc->slash_pos = strchr(sshc->slash_pos, '/');
+      if(sshc->slash_pos) {
+        *sshc->slash_pos = 0;
+
+        infof(data, "Creating directory '%s'\n", sftp_scp->path);
+        state(conn, SSH_SFTP_CREATE_DIRS_MKDIR);
+        break;
+      }
+      state(conn, SSH_SFTP_UPLOAD_INIT);
+      break;
+
+    case SSH_SFTP_CREATE_DIRS_MKDIR:
+      /* 'mode' - parameter is preliminary - default to 0644 */
+      rc = libssh2_sftp_mkdir_ex(sshc->sftp_session, sftp_scp->path,
+                                 curlx_uztoui(strlen(sftp_scp->path)),
+                                 data->set.new_directory_perms);
+      if(rc == LIBSSH2_ERROR_EAGAIN) {
+        break;
+      }
+      *sshc->slash_pos = '/';
+      ++sshc->slash_pos;
+      if(rc < 0) {
+        /*
+         * Abort if failure wasn't that the dir already exists or the
+         * permission was denied (creation might succeed further down the
+         * path) - retry on unspecific FAILURE also
+         */
+        err = sftp_libssh2_last_error(sshc->sftp_session);
+        if((err != LIBSSH2_FX_FILE_ALREADY_EXISTS) &&
+           (err != LIBSSH2_FX_FAILURE) &&
+           (err != LIBSSH2_FX_PERMISSION_DENIED)) {
+          result = sftp_libssh2_error_to_CURLE(err);
+          state(conn, SSH_SFTP_CLOSE);
+          sshc->actualcode = result?result:CURLE_SSH;
+          break;
+        }
+        rc = 0; /* clear rc and continue */
+      }
+      state(conn, SSH_SFTP_CREATE_DIRS);
+      break;
+
+    case SSH_SFTP_READDIR_INIT:
+      Curl_pgrsSetDownloadSize(data, -1);
+      if(data->set.opt_no_body) {
+        state(conn, SSH_STOP);
+        break;
+      }
+
+      /*
+       * This is a directory that we are trying to get, so produce a directory
+       * listing
+       */
+      sshc->sftp_handle = libssh2_sftp_open_ex(sshc->sftp_session,
+                                               sftp_scp->path,
+                                               curlx_uztoui(
+                                                 strlen(sftp_scp->path)),
+                                               0, 0, LIBSSH2_SFTP_OPENDIR);
+      if(!sshc->sftp_handle) {
+        if(libssh2_session_last_errno(sshc->ssh_session) ==
+           LIBSSH2_ERROR_EAGAIN) {
+          rc = LIBSSH2_ERROR_EAGAIN;
+          break;
+        }
+        err = sftp_libssh2_last_error(sshc->sftp_session);
+        failf(data, "Could not open directory for reading: %s",
+              sftp_libssh2_strerror(err));
+        state(conn, SSH_SFTP_CLOSE);
+        result = sftp_libssh2_error_to_CURLE(err);
+        sshc->actualcode = result?result:CURLE_SSH;
+        break;
+      }
+      sshc->readdir_filename = malloc(PATH_MAX + 1);
+      if(!sshc->readdir_filename) {
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->actualcode = CURLE_OUT_OF_MEMORY;
+        break;
+      }
+      sshc->readdir_longentry = malloc(PATH_MAX + 1);
+      if(!sshc->readdir_longentry) {
+        Curl_safefree(sshc->readdir_filename);
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->actualcode = CURLE_OUT_OF_MEMORY;
+        break;
+      }
+      state(conn, SSH_SFTP_READDIR);
+      break;
+
+    case SSH_SFTP_READDIR:
+      rc = libssh2_sftp_readdir_ex(sshc->sftp_handle,
+                                   sshc->readdir_filename,
+                                   PATH_MAX,
+                                   sshc->readdir_longentry,
+                                   PATH_MAX,
+                                   &sshc->readdir_attrs);
+      if(rc == LIBSSH2_ERROR_EAGAIN) {
+        break;
+      }
+      if(rc > 0) {
+        sshc->readdir_len = (size_t) rc;
+        sshc->readdir_filename[sshc->readdir_len] = '\0';
+
+        if(data->set.ftp_list_only) {
+          char *tmpLine;
+
+          tmpLine = aprintf("%s\n", sshc->readdir_filename);
+          if(tmpLine == NULL) {
+            state(conn, SSH_SFTP_CLOSE);
+            sshc->actualcode = CURLE_OUT_OF_MEMORY;
+            break;
+          }
+          result = Curl_client_write(conn, CLIENTWRITE_BODY,
+                                     tmpLine, sshc->readdir_len + 1);
+          free(tmpLine);
+
+          if(result) {
+            state(conn, SSH_STOP);
+            break;
+          }
+          /* since this counts what we send to the client, we include the
+             newline in this counter */
+          data->req.bytecount += sshc->readdir_len + 1;
+
+          /* output debug output if that is requested */
+          if(data->set.verbose) {
+            Curl_debug(data, CURLINFO_DATA_OUT, sshc->readdir_filename,
+                       sshc->readdir_len);
+          }
+        }
+        else {
+          sshc->readdir_currLen = strlen(sshc->readdir_longentry);
+          sshc->readdir_totalLen = 80 + sshc->readdir_currLen;
+          sshc->readdir_line = calloc(sshc->readdir_totalLen, 1);
+          if(!sshc->readdir_line) {
+            Curl_safefree(sshc->readdir_filename);
+            Curl_safefree(sshc->readdir_longentry);
+            state(conn, SSH_SFTP_CLOSE);
+            sshc->actualcode = CURLE_OUT_OF_MEMORY;
+            break;
+          }
+
+          memcpy(sshc->readdir_line, sshc->readdir_longentry,
+                 sshc->readdir_currLen);
+          if((sshc->readdir_attrs.flags & LIBSSH2_SFTP_ATTR_PERMISSIONS) &&
+             ((sshc->readdir_attrs.permissions & LIBSSH2_SFTP_S_IFMT) ==
+              LIBSSH2_SFTP_S_IFLNK)) {
+            sshc->readdir_linkPath = malloc(PATH_MAX + 1);
+            if(sshc->readdir_linkPath == NULL) {
+              Curl_safefree(sshc->readdir_filename);
+              Curl_safefree(sshc->readdir_longentry);
+              state(conn, SSH_SFTP_CLOSE);
+              sshc->actualcode = CURLE_OUT_OF_MEMORY;
+              break;
+            }
+
+            msnprintf(sshc->readdir_linkPath, PATH_MAX, "%s%s", sftp_scp->path,
+                      sshc->readdir_filename);
+            state(conn, SSH_SFTP_READDIR_LINK);
+            break;
+          }
+          state(conn, SSH_SFTP_READDIR_BOTTOM);
+          break;
+        }
+      }
+      else if(rc == 0) {
+        Curl_safefree(sshc->readdir_filename);
+        Curl_safefree(sshc->readdir_longentry);
+        state(conn, SSH_SFTP_READDIR_DONE);
+        break;
+      }
+      else if(rc < 0) {
+        err = sftp_libssh2_last_error(sshc->sftp_session);
+        result = sftp_libssh2_error_to_CURLE(err);
+        sshc->actualcode = result?result:CURLE_SSH;
+        failf(data, "Could not open remote file for reading: %s :: %d",
+              sftp_libssh2_strerror(err),
+              libssh2_session_last_errno(sshc->ssh_session));
+        Curl_safefree(sshc->readdir_filename);
+        Curl_safefree(sshc->readdir_longentry);
+        state(conn, SSH_SFTP_CLOSE);
+        break;
+      }
+      break;
+
+    case SSH_SFTP_READDIR_LINK:
+      rc =
+        libssh2_sftp_symlink_ex(sshc->sftp_session,
+                                sshc->readdir_linkPath,
+                                curlx_uztoui(strlen(sshc->readdir_linkPath)),
+                                sshc->readdir_filename,
+                                PATH_MAX, LIBSSH2_SFTP_READLINK);
+      if(rc == LIBSSH2_ERROR_EAGAIN) {
+        break;
+      }
+      sshc->readdir_len = (size_t) rc;
+      Curl_safefree(sshc->readdir_linkPath);
+
+      /* get room for the filename and extra output */
+      sshc->readdir_totalLen += 4 + sshc->readdir_len;
+      new_readdir_line = Curl_saferealloc(sshc->readdir_line,
+                                          sshc->readdir_totalLen);
+      if(!new_readdir_line) {
+        sshc->readdir_line = NULL;
+        Curl_safefree(sshc->readdir_filename);
+        Curl_safefree(sshc->readdir_longentry);
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->actualcode = CURLE_OUT_OF_MEMORY;
+        break;
+      }
+      sshc->readdir_line = new_readdir_line;
+
+      sshc->readdir_currLen += msnprintf(sshc->readdir_line +
+                                         sshc->readdir_currLen,
+                                         sshc->readdir_totalLen -
+                                         sshc->readdir_currLen,
+                                         " -> %s",
+                                         sshc->readdir_filename);
+
+      state(conn, SSH_SFTP_READDIR_BOTTOM);
+      break;
+
+    case SSH_SFTP_READDIR_BOTTOM:
+      sshc->readdir_currLen += msnprintf(sshc->readdir_line +
+                                         sshc->readdir_currLen,
+                                         sshc->readdir_totalLen -
+                                         sshc->readdir_currLen, "\n");
+      result = Curl_client_write(conn, CLIENTWRITE_BODY,
+                                 sshc->readdir_line,
+                                 sshc->readdir_currLen);
+
+      if(!result) {
+
+        /* output debug output if that is requested */
+        if(data->set.verbose) {
+          Curl_debug(data, CURLINFO_DATA_OUT, sshc->readdir_line,
+                     sshc->readdir_currLen);
+        }
+        data->req.bytecount += sshc->readdir_currLen;
+      }
+      Curl_safefree(sshc->readdir_line);
+      if(result) {
+        state(conn, SSH_STOP);
+      }
+      else
+        state(conn, SSH_SFTP_READDIR);
+      break;
+
+    case SSH_SFTP_READDIR_DONE:
+      if(libssh2_sftp_closedir(sshc->sftp_handle) ==
+         LIBSSH2_ERROR_EAGAIN) {
+        rc = LIBSSH2_ERROR_EAGAIN;
+        break;
+      }
+      sshc->sftp_handle = NULL;
+      Curl_safefree(sshc->readdir_filename);
+      Curl_safefree(sshc->readdir_longentry);
+
+      /* no data to transfer */
+      Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
+      state(conn, SSH_STOP);
+      break;
+
+    case SSH_SFTP_DOWNLOAD_INIT:
+      /*
+       * Work on getting the specified file
+       */
+      sshc->sftp_handle =
+        libssh2_sftp_open_ex(sshc->sftp_session, sftp_scp->path,
+                             curlx_uztoui(strlen(sftp_scp->path)),
+                             LIBSSH2_FXF_READ, data->set.new_file_perms,
+                             LIBSSH2_SFTP_OPENFILE);
+      if(!sshc->sftp_handle) {
+        if(libssh2_session_last_errno(sshc->ssh_session) ==
+           LIBSSH2_ERROR_EAGAIN) {
+          rc = LIBSSH2_ERROR_EAGAIN;
+          break;
+        }
+        err = sftp_libssh2_last_error(sshc->sftp_session);
+        failf(data, "Could not open remote file for reading: %s",
+              sftp_libssh2_strerror(err));
+        state(conn, SSH_SFTP_CLOSE);
+        result = sftp_libssh2_error_to_CURLE(err);
+        sshc->actualcode = result?result:CURLE_SSH;
+        break;
+      }
+      state(conn, SSH_SFTP_DOWNLOAD_STAT);
+      break;
+
+    case SSH_SFTP_DOWNLOAD_STAT:
+    {
+      LIBSSH2_SFTP_ATTRIBUTES attrs;
+
+      rc = libssh2_sftp_stat_ex(sshc->sftp_session, sftp_scp->path,
+                                curlx_uztoui(strlen(sftp_scp->path)),
+                                LIBSSH2_SFTP_STAT, &attrs);
+      if(rc == LIBSSH2_ERROR_EAGAIN) {
+        break;
+      }
+      if(rc ||
+         !(attrs.flags & LIBSSH2_SFTP_ATTR_SIZE) ||
+         (attrs.filesize == 0)) {
+        /*
+         * libssh2_sftp_open() didn't return an error, so maybe the server
+         * just doesn't support stat()
+         * OR the server doesn't return a file size with a stat()
+         * OR file size is 0
+         */
+        data->req.size = -1;
+        data->req.maxdownload = -1;
+        Curl_pgrsSetDownloadSize(data, -1);
+      }
+      else {
+        curl_off_t size = attrs.filesize;
+
+        if(size < 0) {
+          failf(data, "Bad file size (%" CURL_FORMAT_CURL_OFF_T ")", size);
+          return CURLE_BAD_DOWNLOAD_RESUME;
+        }
+        if(conn->data->state.use_range) {
+          curl_off_t from, to;
+          char *ptr;
+          char *ptr2;
+          CURLofft to_t;
+          CURLofft from_t;
+
+          from_t = curlx_strtoofft(conn->data->state.range, &ptr, 0, &from);
+          if(from_t == CURL_OFFT_FLOW)
+            return CURLE_RANGE_ERROR;
+          while(*ptr && (ISSPACE(*ptr) || (*ptr == '-')))
+            ptr++;
+          to_t = curlx_strtoofft(ptr, &ptr2, 0, &to);
+          if(to_t == CURL_OFFT_FLOW)
+            return CURLE_RANGE_ERROR;
+          if((to_t == CURL_OFFT_INVAL) /* no "to" value given */
+             || (to >= size)) {
+            to = size - 1;
+          }
+          if(from_t) {
+            /* from is relative to end of file */
+            from = size - to;
+            to = size - 1;
+          }
+          if(from > size) {
+            failf(data, "Offset (%"
+                  CURL_FORMAT_CURL_OFF_T ") was beyond file size (%"
+                  CURL_FORMAT_CURL_OFF_T ")", from, attrs.filesize);
+            return CURLE_BAD_DOWNLOAD_RESUME;
+          }
+          if(from > to) {
+            from = to;
+            size = 0;
+          }
+          else {
+            size = to - from + 1;
+          }
+
+          SFTP_SEEK(conn->proto.sshc.sftp_handle, from);
+        }
+        data->req.size = size;
+        data->req.maxdownload = size;
+        Curl_pgrsSetDownloadSize(data, size);
+      }
+
+      /* We can resume if we can seek to the resume position */
+      if(data->state.resume_from) {
+        if(data->state.resume_from < 0) {
+          /* We're supposed to download the last abs(from) bytes */
+          if((curl_off_t)attrs.filesize < -data->state.resume_from) {
+            failf(data, "Offset (%"
+                  CURL_FORMAT_CURL_OFF_T ") was beyond file size (%"
+                  CURL_FORMAT_CURL_OFF_T ")",
+                  data->state.resume_from, attrs.filesize);
+            return CURLE_BAD_DOWNLOAD_RESUME;
+          }
+          /* download from where? */
+          data->state.resume_from += attrs.filesize;
+        }
+        else {
+          if((curl_off_t)attrs.filesize < data->state.resume_from) {
+            failf(data, "Offset (%" CURL_FORMAT_CURL_OFF_T
+                  ") was beyond file size (%" CURL_FORMAT_CURL_OFF_T ")",
+                  data->state.resume_from, attrs.filesize);
+            return CURLE_BAD_DOWNLOAD_RESUME;
+          }
+        }
+        /* Does a completed file need to be seeked and started or closed ? */
+        /* Now store the number of bytes we are expected to download */
+        data->req.size = attrs.filesize - data->state.resume_from;
+        data->req.maxdownload = attrs.filesize - data->state.resume_from;
+        Curl_pgrsSetDownloadSize(data,
+                                 attrs.filesize - data->state.resume_from);
+        SFTP_SEEK(sshc->sftp_handle, data->state.resume_from);
+      }
+    }
+
+    /* Setup the actual download */
+    if(data->req.size == 0) {
+      /* no data to transfer */
+      Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
+      infof(data, "File already completely downloaded\n");
+      state(conn, SSH_STOP);
+      break;
+    }
+    Curl_setup_transfer(conn, FIRSTSOCKET, data->req.size,
+                        FALSE, NULL, -1, NULL);
+
+    /* not set by Curl_setup_transfer to preserve keepon bits */
+    conn->writesockfd = conn->sockfd;
+
+    /* we want to use the _receiving_ function even when the socket turns
+       out writableable as the underlying libssh2 recv function will deal
+       with both accordingly */
+    conn->cselect_bits = CURL_CSELECT_IN;
+
+    if(result) {
+      /* this should never occur; the close state should be entered
+         at the time the error occurs */
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->actualcode = result;
+    }
+    else {
+      state(conn, SSH_STOP);
+    }
+    break;
+
+    case SSH_SFTP_CLOSE:
+      if(sshc->sftp_handle) {
+        rc = libssh2_sftp_close(sshc->sftp_handle);
+        if(rc == LIBSSH2_ERROR_EAGAIN) {
+          break;
+        }
+        if(rc < 0) {
+          char *err_msg = NULL;
+          (void)libssh2_session_last_error(sshc->ssh_session,
+                                           &err_msg, NULL, 0);
+          infof(data, "Failed to close libssh2 file: %d %s\n", rc, err_msg);
+        }
+        sshc->sftp_handle = NULL;
+      }
+
+      Curl_safefree(sftp_scp->path);
+
+      DEBUGF(infof(data, "SFTP DONE done\n"));
+
+      /* Check if nextstate is set and move .nextstate could be POSTQUOTE_INIT
+         After nextstate is executed, the control should come back to
+         SSH_SFTP_CLOSE to pass the correct result back  */
+      if(sshc->nextstate != SSH_NO_STATE &&
+         sshc->nextstate != SSH_SFTP_CLOSE) {
+        state(conn, sshc->nextstate);
+        sshc->nextstate = SSH_SFTP_CLOSE;
+      }
+      else {
+        state(conn, SSH_STOP);
+        result = sshc->actualcode;
+      }
+      break;
+
+    case SSH_SFTP_SHUTDOWN:
+      /* during times we get here due to a broken transfer and then the
+         sftp_handle might not have been taken down so make sure that is done
+         before we proceed */
+
+      if(sshc->sftp_handle) {
+        rc = libssh2_sftp_close(sshc->sftp_handle);
+        if(rc == LIBSSH2_ERROR_EAGAIN) {
+          break;
+        }
+        if(rc < 0) {
+          char *err_msg = NULL;
+          (void)libssh2_session_last_error(sshc->ssh_session, &err_msg,
+                                           NULL, 0);
+          infof(data, "Failed to close libssh2 file: %d %s\n", rc, err_msg);
+        }
+        sshc->sftp_handle = NULL;
+      }
+      if(sshc->sftp_session) {
+        rc = libssh2_sftp_shutdown(sshc->sftp_session);
+        if(rc == LIBSSH2_ERROR_EAGAIN) {
+          break;
+        }
+        if(rc < 0) {
+          infof(data, "Failed to stop libssh2 sftp subsystem\n");
+        }
+        sshc->sftp_session = NULL;
+      }
+
+      Curl_safefree(sshc->homedir);
+      conn->data->state.most_recent_ftp_entrypath = NULL;
+
+      state(conn, SSH_SESSION_DISCONNECT);
+      break;
+
+    case SSH_SCP_TRANS_INIT:
+      result = Curl_getworkingpath(conn, sshc->homedir, &sftp_scp->path);
+      if(result) {
+        sshc->actualcode = result;
+        state(conn, SSH_STOP);
+        break;
+      }
+
+      if(data->set.upload) {
+        if(data->state.infilesize < 0) {
+          failf(data, "SCP requires a known file size for upload");
+          sshc->actualcode = CURLE_UPLOAD_FAILED;
+          state(conn, SSH_SCP_CHANNEL_FREE);
+          break;
+        }
+        state(conn, SSH_SCP_UPLOAD_INIT);
+      }
+      else {
+        state(conn, SSH_SCP_DOWNLOAD_INIT);
+      }
+      break;
+
+    case SSH_SCP_UPLOAD_INIT:
+      /*
+       * libssh2 requires that the destination path is a full path that
+       * includes the destination file and name OR ends in a "/" .  If this is
+       * not done the destination file will be named the same name as the last
+       * directory in the path.
+       */
+      sshc->ssh_channel =
+        SCP_SEND(sshc->ssh_session, sftp_scp->path, data->set.new_file_perms,
+                 data->state.infilesize);
+      if(!sshc->ssh_channel) {
+        int ssh_err;
+        char *err_msg = NULL;
+
+        if(libssh2_session_last_errno(sshc->ssh_session) ==
+           LIBSSH2_ERROR_EAGAIN) {
+          rc = LIBSSH2_ERROR_EAGAIN;
+          break;
+        }
+
+        ssh_err = (int)(libssh2_session_last_error(sshc->ssh_session,
+                                                   &err_msg, NULL, 0));
+        failf(conn->data, "%s", err_msg);
+        state(conn, SSH_SCP_CHANNEL_FREE);
+        sshc->actualcode = libssh2_session_error_to_CURLE(ssh_err);
+        /* Map generic errors to upload failed */
+        if(sshc->actualcode == CURLE_SSH ||
+           sshc->actualcode == CURLE_REMOTE_FILE_NOT_FOUND)
+          sshc->actualcode = CURLE_UPLOAD_FAILED;
+        break;
+      }
+
+      /* upload data */
+      Curl_setup_transfer(conn, -1, data->req.size, FALSE, NULL,
+                          FIRSTSOCKET, NULL);
+
+      /* not set by Curl_setup_transfer to preserve keepon bits */
+      conn->sockfd = conn->writesockfd;
+
+      if(result) {
+        state(conn, SSH_SCP_CHANNEL_FREE);
+        sshc->actualcode = result;
+      }
+      else {
+        /* store this original bitmask setup to use later on if we can't
+           figure out a "real" bitmask */
+        sshc->orig_waitfor = data->req.keepon;
+
+        /* we want to use the _sending_ function even when the socket turns
+           out readable as the underlying libssh2 scp send function will deal
+           with both accordingly */
+        conn->cselect_bits = CURL_CSELECT_OUT;
+
+        state(conn, SSH_STOP);
+      }
+      break;
+
+    case SSH_SCP_DOWNLOAD_INIT:
+    {
+      curl_off_t bytecount;
+
+      /*
+       * We must check the remote file; if it is a directory no values will
+       * be set in sb
+       */
+
+      /*
+       * If support for >2GB files exists, use it.
+       */
+
+      /* get a fresh new channel from the ssh layer */
+#if LIBSSH2_VERSION_NUM < 0x010700
+      struct stat sb;
+      memset(&sb, 0, sizeof(struct stat));
+      sshc->ssh_channel = libssh2_scp_recv(sshc->ssh_session,
+                                           sftp_scp->path, &sb);
+#else
+      libssh2_struct_stat sb;
+      memset(&sb, 0, sizeof(libssh2_struct_stat));
+      sshc->ssh_channel = libssh2_scp_recv2(sshc->ssh_session,
+                                            sftp_scp->path, &sb);
+#endif
+
+      if(!sshc->ssh_channel) {
+        int ssh_err;
+        char *err_msg = NULL;
+
+        if(libssh2_session_last_errno(sshc->ssh_session) ==
+           LIBSSH2_ERROR_EAGAIN) {
+          rc = LIBSSH2_ERROR_EAGAIN;
+          break;
+        }
+
+
+        ssh_err = (int)(libssh2_session_last_error(sshc->ssh_session,
+                                                   &err_msg, NULL, 0));
+        failf(conn->data, "%s", err_msg);
+        state(conn, SSH_SCP_CHANNEL_FREE);
+        sshc->actualcode = libssh2_session_error_to_CURLE(ssh_err);
+        break;
+      }
+
+      /* download data */
+      bytecount = (curl_off_t)sb.st_size;
+      data->req.maxdownload =  (curl_off_t)sb.st_size;
+      Curl_setup_transfer(conn, FIRSTSOCKET, bytecount, FALSE, NULL, -1, NULL);
+
+      /* not set by Curl_setup_transfer to preserve keepon bits */
+      conn->writesockfd = conn->sockfd;
+
+      /* we want to use the _receiving_ function even when the socket turns
+         out writableable as the underlying libssh2 recv function will deal
+         with both accordingly */
+      conn->cselect_bits = CURL_CSELECT_IN;
+
+      if(result) {
+        state(conn, SSH_SCP_CHANNEL_FREE);
+        sshc->actualcode = result;
+      }
+      else
+        state(conn, SSH_STOP);
+    }
+    break;
+
+    case SSH_SCP_DONE:
+      if(data->set.upload)
+        state(conn, SSH_SCP_SEND_EOF);
+      else
+        state(conn, SSH_SCP_CHANNEL_FREE);
+      break;
+
+    case SSH_SCP_SEND_EOF:
+      if(sshc->ssh_channel) {
+        rc = libssh2_channel_send_eof(sshc->ssh_channel);
+        if(rc == LIBSSH2_ERROR_EAGAIN) {
+          break;
+        }
+        if(rc) {
+          char *err_msg = NULL;
+          (void)libssh2_session_last_error(sshc->ssh_session,
+                                           &err_msg, NULL, 0);
+          infof(data, "Failed to send libssh2 channel EOF: %d %s\n",
+                rc, err_msg);
+        }
+      }
+      state(conn, SSH_SCP_WAIT_EOF);
+      break;
+
+    case SSH_SCP_WAIT_EOF:
+      if(sshc->ssh_channel) {
+        rc = libssh2_channel_wait_eof(sshc->ssh_channel);
+        if(rc == LIBSSH2_ERROR_EAGAIN) {
+          break;
+        }
+        if(rc) {
+          char *err_msg = NULL;
+          (void)libssh2_session_last_error(sshc->ssh_session,
+                                           &err_msg, NULL, 0);
+          infof(data, "Failed to get channel EOF: %d %s\n", rc, err_msg);
+        }
+      }
+      state(conn, SSH_SCP_WAIT_CLOSE);
+      break;
+
+    case SSH_SCP_WAIT_CLOSE:
+      if(sshc->ssh_channel) {
+        rc = libssh2_channel_wait_closed(sshc->ssh_channel);
+        if(rc == LIBSSH2_ERROR_EAGAIN) {
+          break;
+        }
+        if(rc) {
+          char *err_msg = NULL;
+          (void)libssh2_session_last_error(sshc->ssh_session,
+                                           &err_msg, NULL, 0);
+          infof(data, "Channel failed to close: %d %s\n", rc, err_msg);
+        }
+      }
+      state(conn, SSH_SCP_CHANNEL_FREE);
+      break;
+
+    case SSH_SCP_CHANNEL_FREE:
+      if(sshc->ssh_channel) {
+        rc = libssh2_channel_free(sshc->ssh_channel);
+        if(rc == LIBSSH2_ERROR_EAGAIN) {
+          break;
+        }
+        if(rc < 0) {
+          char *err_msg = NULL;
+          (void)libssh2_session_last_error(sshc->ssh_session,
+                                           &err_msg, NULL, 0);
+          infof(data, "Failed to free libssh2 scp subsystem: %d %s\n",
+                rc, err_msg);
+        }
+        sshc->ssh_channel = NULL;
+      }
+      DEBUGF(infof(data, "SCP DONE phase complete\n"));
+#if 0 /* PREV */
+      state(conn, SSH_SESSION_DISCONNECT);
+#endif
+      state(conn, SSH_STOP);
+      result = sshc->actualcode;
+      break;
+
+    case SSH_SESSION_DISCONNECT:
+      /* during weird times when we've been prematurely aborted, the channel
+         is still alive when we reach this state and we MUST kill the channel
+         properly first */
+      if(sshc->ssh_channel) {
+        rc = libssh2_channel_free(sshc->ssh_channel);
+        if(rc == LIBSSH2_ERROR_EAGAIN) {
+          break;
+        }
+        if(rc < 0) {
+          char *err_msg = NULL;
+          (void)libssh2_session_last_error(sshc->ssh_session,
+                                           &err_msg, NULL, 0);
+          infof(data, "Failed to free libssh2 scp subsystem: %d %s\n",
+                rc, err_msg);
+        }
+        sshc->ssh_channel = NULL;
+      }
+
+      if(sshc->ssh_session) {
+        rc = libssh2_session_disconnect(sshc->ssh_session, "Shutdown");
+        if(rc == LIBSSH2_ERROR_EAGAIN) {
+          break;
+        }
+        if(rc < 0) {
+          char *err_msg = NULL;
+          (void)libssh2_session_last_error(sshc->ssh_session,
+                                           &err_msg, NULL, 0);
+          infof(data, "Failed to disconnect libssh2 session: %d %s\n",
+                rc, err_msg);
+        }
+      }
+
+      Curl_safefree(sshc->homedir);
+      conn->data->state.most_recent_ftp_entrypath = NULL;
+
+      state(conn, SSH_SESSION_FREE);
+      break;
+
+    case SSH_SESSION_FREE:
+#ifdef HAVE_LIBSSH2_KNOWNHOST_API
+      if(sshc->kh) {
+        libssh2_knownhost_free(sshc->kh);
+        sshc->kh = NULL;
+      }
+#endif
+
+#ifdef HAVE_LIBSSH2_AGENT_API
+      if(sshc->ssh_agent) {
+        rc = libssh2_agent_disconnect(sshc->ssh_agent);
+        if(rc == LIBSSH2_ERROR_EAGAIN) {
+          break;
+        }
+        if(rc < 0) {
+          char *err_msg = NULL;
+          (void)libssh2_session_last_error(sshc->ssh_session,
+                                           &err_msg, NULL, 0);
+          infof(data, "Failed to disconnect from libssh2 agent: %d %s\n",
+                rc, err_msg);
+        }
+        libssh2_agent_free(sshc->ssh_agent);
+        sshc->ssh_agent = NULL;
+
+        /* NB: there is no need to free identities, they are part of internal
+           agent stuff */
+        sshc->sshagent_identity = NULL;
+        sshc->sshagent_prev_identity = NULL;
+      }
+#endif
+
+      if(sshc->ssh_session) {
+        rc = libssh2_session_free(sshc->ssh_session);
+        if(rc == LIBSSH2_ERROR_EAGAIN) {
+          break;
+        }
+        if(rc < 0) {
+          char *err_msg = NULL;
+          (void)libssh2_session_last_error(sshc->ssh_session,
+                                           &err_msg, NULL, 0);
+          infof(data, "Failed to free libssh2 session: %d %s\n", rc, err_msg);
+        }
+        sshc->ssh_session = NULL;
+      }
+
+      /* worst-case scenario cleanup */
+
+      DEBUGASSERT(sshc->ssh_session == NULL);
+      DEBUGASSERT(sshc->ssh_channel == NULL);
+      DEBUGASSERT(sshc->sftp_session == NULL);
+      DEBUGASSERT(sshc->sftp_handle == NULL);
+#ifdef HAVE_LIBSSH2_KNOWNHOST_API
+      DEBUGASSERT(sshc->kh == NULL);
+#endif
+#ifdef HAVE_LIBSSH2_AGENT_API
+      DEBUGASSERT(sshc->ssh_agent == NULL);
+#endif
+
+      Curl_safefree(sshc->rsa_pub);
+      Curl_safefree(sshc->rsa);
+
+      Curl_safefree(sshc->quote_path1);
+      Curl_safefree(sshc->quote_path2);
+
+      Curl_safefree(sshc->homedir);
+
+      Curl_safefree(sshc->readdir_filename);
+      Curl_safefree(sshc->readdir_longentry);
+      Curl_safefree(sshc->readdir_line);
+      Curl_safefree(sshc->readdir_linkPath);
+
+      /* the code we are about to return */
+      result = sshc->actualcode;
+
+      memset(sshc, 0, sizeof(struct ssh_conn));
+
+      connclose(conn, "SSH session free");
+      sshc->state = SSH_SESSION_FREE; /* current */
+      sshc->nextstate = SSH_NO_STATE;
+      state(conn, SSH_STOP);
+      break;
+
+    case SSH_QUIT:
+      /* fallthrough, just stop! */
+    default:
+      /* internal error */
+      sshc->nextstate = SSH_NO_STATE;
+      state(conn, SSH_STOP);
+      break;
+    }
+
+  } while(!rc && (sshc->state != SSH_STOP));
+
+  if(rc == LIBSSH2_ERROR_EAGAIN) {
+    /* we would block, we need to wait for the socket to be ready (in the
+       right direction too)! */
+    *block = TRUE;
+  }
+
+  return result;
+}
+
+/* called by the multi interface to figure out what socket(s) to wait for and
+   for what actions in the DO_DONE, PERFORM and WAITPERFORM states */
+static int ssh_perform_getsock(const struct connectdata *conn,
+                               curl_socket_t *sock, /* points to numsocks
+                                                       number of sockets */
+                               int numsocks)
+{
+#ifdef HAVE_LIBSSH2_SESSION_BLOCK_DIRECTION
+  int bitmap = GETSOCK_BLANK;
+  (void)numsocks;
+
+  sock[0] = conn->sock[FIRSTSOCKET];
+
+  if(conn->waitfor & KEEP_RECV)
+    bitmap |= GETSOCK_READSOCK(FIRSTSOCKET);
+
+  if(conn->waitfor & KEEP_SEND)
+    bitmap |= GETSOCK_WRITESOCK(FIRSTSOCKET);
+
+  return bitmap;
+#else
+  /* if we don't know the direction we can use the generic *_getsock()
+     function even for the protocol_connect and doing states */
+  return Curl_single_getsock(conn, sock, numsocks);
+#endif
+}
+
+/* Generic function called by the multi interface to figure out what socket(s)
+   to wait for and for what actions during the DOING and PROTOCONNECT states*/
+static int ssh_getsock(struct connectdata *conn,
+                       curl_socket_t *sock, /* points to numsocks number
+                                               of sockets */
+                       int numsocks)
+{
+#ifndef HAVE_LIBSSH2_SESSION_BLOCK_DIRECTION
+  (void)conn;
+  (void)sock;
+  (void)numsocks;
+  /* if we don't know any direction we can just play along as we used to and
+     not provide any sensible info */
+  return GETSOCK_BLANK;
+#else
+  /* if we know the direction we can use the generic *_getsock() function even
+     for the protocol_connect and doing states */
+  return ssh_perform_getsock(conn, sock, numsocks);
+#endif
+}
+
+#ifdef HAVE_LIBSSH2_SESSION_BLOCK_DIRECTION
+/*
+ * When one of the libssh2 functions has returned LIBSSH2_ERROR_EAGAIN this
+ * function is used to figure out in what direction and stores this info so
+ * that the multi interface can take advantage of it. Make sure to call this
+ * function in all cases so that when it _doesn't_ return EAGAIN we can
+ * restore the default wait bits.
+ */
+static void ssh_block2waitfor(struct connectdata *conn, bool block)
+{
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  int dir = 0;
+  if(block) {
+    dir = libssh2_session_block_directions(sshc->ssh_session);
+    if(dir) {
+      /* translate the libssh2 define bits into our own bit defines */
+      conn->waitfor = ((dir&LIBSSH2_SESSION_BLOCK_INBOUND)?KEEP_RECV:0) |
+        ((dir&LIBSSH2_SESSION_BLOCK_OUTBOUND)?KEEP_SEND:0);
+    }
+  }
+  if(!dir)
+    /* It didn't block or libssh2 didn't reveal in which direction, put back
+       the original set */
+    conn->waitfor = sshc->orig_waitfor;
+}
+#else
+  /* no libssh2 directional support so we simply don't know */
+#define ssh_block2waitfor(x,y) Curl_nop_stmt
+#endif
+
+/* called repeatedly until done from multi.c */
+static CURLcode ssh_multi_statemach(struct connectdata *conn, bool *done)
+{
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  CURLcode result = CURLE_OK;
+  bool block; /* we store the status and use that to provide a ssh_getsock()
+                 implementation */
+
+  result = ssh_statemach_act(conn, &block);
+  *done = (sshc->state == SSH_STOP) ? TRUE : FALSE;
+  ssh_block2waitfor(conn, block);
+
+  return result;
+}
+
+static CURLcode ssh_block_statemach(struct connectdata *conn,
+                                    bool disconnect)
+{
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  while((sshc->state != SSH_STOP) && !result) {
+    bool block;
+    timediff_t left = 1000;
+    struct curltime now = Curl_now();
+
+    result = ssh_statemach_act(conn, &block);
+    if(result)
+      break;
+
+    if(!disconnect) {
+      if(Curl_pgrsUpdate(conn))
+        return CURLE_ABORTED_BY_CALLBACK;
+
+      result = Curl_speedcheck(data, now);
+      if(result)
+        break;
+
+      left = Curl_timeleft(data, NULL, FALSE);
+      if(left < 0) {
+        failf(data, "Operation timed out");
+        return CURLE_OPERATION_TIMEDOUT;
+      }
+    }
+
+#ifdef HAVE_LIBSSH2_SESSION_BLOCK_DIRECTION
+    if(!result && block) {
+      int dir = libssh2_session_block_directions(sshc->ssh_session);
+      curl_socket_t sock = conn->sock[FIRSTSOCKET];
+      curl_socket_t fd_read = CURL_SOCKET_BAD;
+      curl_socket_t fd_write = CURL_SOCKET_BAD;
+      if(LIBSSH2_SESSION_BLOCK_INBOUND & dir)
+        fd_read = sock;
+      if(LIBSSH2_SESSION_BLOCK_OUTBOUND & dir)
+        fd_write = sock;
+      /* wait for the socket to become ready */
+      (void)Curl_socket_check(fd_read, CURL_SOCKET_BAD, fd_write,
+                              left>1000?1000:left); /* ignore result */
+    }
+#endif
+
+  }
+
+  return result;
+}
+
+/*
+ * SSH setup and connection
+ */
+static CURLcode ssh_setup_connection(struct connectdata *conn)
+{
+  struct SSHPROTO *ssh;
+
+  conn->data->req.protop = ssh = calloc(1, sizeof(struct SSHPROTO));
+  if(!ssh)
+    return CURLE_OUT_OF_MEMORY;
+
+  return CURLE_OK;
+}
+
+static Curl_recv scp_recv, sftp_recv;
+static Curl_send scp_send, sftp_send;
+
+/*
+ * Curl_ssh_connect() gets called from Curl_protocol_connect() to allow us to
+ * do protocol-specific actions at connect-time.
+ */
+static CURLcode ssh_connect(struct connectdata *conn, bool *done)
+{
+#ifdef CURL_LIBSSH2_DEBUG
+  curl_socket_t sock;
+#endif
+  struct ssh_conn *ssh;
+  CURLcode result;
+  struct Curl_easy *data = conn->data;
+
+  /* initialize per-handle data if not already */
+  if(!data->req.protop)
+    ssh_setup_connection(conn);
+
+  /* We default to persistent connections. We set this already in this connect
+     function to make the re-use checks properly be able to check this bit. */
+  connkeep(conn, "SSH default");
+
+  if(conn->handler->protocol & CURLPROTO_SCP) {
+    conn->recv[FIRSTSOCKET] = scp_recv;
+    conn->send[FIRSTSOCKET] = scp_send;
+  }
+  else {
+    conn->recv[FIRSTSOCKET] = sftp_recv;
+    conn->send[FIRSTSOCKET] = sftp_send;
+  }
+  ssh = &conn->proto.sshc;
+
+#ifdef CURL_LIBSSH2_DEBUG
+  if(conn->user) {
+    infof(data, "User: %s\n", conn->user);
+  }
+  if(conn->passwd) {
+    infof(data, "Password: %s\n", conn->passwd);
+  }
+  sock = conn->sock[FIRSTSOCKET];
+#endif /* CURL_LIBSSH2_DEBUG */
+
+  ssh->ssh_session = libssh2_session_init_ex(my_libssh2_malloc,
+                                             my_libssh2_free,
+                                             my_libssh2_realloc, conn);
+  if(ssh->ssh_session == NULL) {
+    failf(data, "Failure initialising ssh session");
+    return CURLE_FAILED_INIT;
+  }
+
+  if(data->set.ssh_compression) {
+#if LIBSSH2_VERSION_NUM >= 0x010208
+    if(libssh2_session_flag(ssh->ssh_session, LIBSSH2_FLAG_COMPRESS, 1) < 0)
+#endif
+      infof(data, "Failed to enable compression for ssh session\n");
+  }
+
+#ifdef HAVE_LIBSSH2_KNOWNHOST_API
+  if(data->set.str[STRING_SSH_KNOWNHOSTS]) {
+    int rc;
+    ssh->kh = libssh2_knownhost_init(ssh->ssh_session);
+    if(!ssh->kh) {
+      libssh2_session_free(ssh->ssh_session);
+      return CURLE_FAILED_INIT;
+    }
+
+    /* read all known hosts from there */
+    rc = libssh2_knownhost_readfile(ssh->kh,
+                                    data->set.str[STRING_SSH_KNOWNHOSTS],
+                                    LIBSSH2_KNOWNHOST_FILE_OPENSSH);
+    if(rc < 0)
+      infof(data, "Failed to read known hosts from %s\n",
+            data->set.str[STRING_SSH_KNOWNHOSTS]);
+  }
+#endif /* HAVE_LIBSSH2_KNOWNHOST_API */
+
+#ifdef CURL_LIBSSH2_DEBUG
+  libssh2_trace(ssh->ssh_session, ~0);
+  infof(data, "SSH socket: %d\n", (int)sock);
+#endif /* CURL_LIBSSH2_DEBUG */
+
+  state(conn, SSH_INIT);
+
+  result = ssh_multi_statemach(conn, done);
+
+  return result;
+}
+
+/*
+ ***********************************************************************
+ *
+ * scp_perform()
+ *
+ * This is the actual DO function for SCP. Get a file according to
+ * the options previously setup.
+ */
+
+static
+CURLcode scp_perform(struct connectdata *conn,
+                      bool *connected,
+                      bool *dophase_done)
+{
+  CURLcode result = CURLE_OK;
+
+  DEBUGF(infof(conn->data, "DO phase starts\n"));
+
+  *dophase_done = FALSE; /* not done yet */
+
+  /* start the first command in the DO phase */
+  state(conn, SSH_SCP_TRANS_INIT);
+
+  /* run the state-machine */
+  result = ssh_multi_statemach(conn, dophase_done);
+
+  *connected = conn->bits.tcpconnect[FIRSTSOCKET];
+
+  if(*dophase_done) {
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+  }
+
+  return result;
+}
+
+/* called from multi.c while DOing */
+static CURLcode scp_doing(struct connectdata *conn,
+                               bool *dophase_done)
+{
+  CURLcode result;
+  result = ssh_multi_statemach(conn, dophase_done);
+
+  if(*dophase_done) {
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+  }
+  return result;
+}
+
+/*
+ * The DO function is generic for both protocols. There was previously two
+ * separate ones but this way means less duplicated code.
+ */
+
+static CURLcode ssh_do(struct connectdata *conn, bool *done)
+{
+  CURLcode result;
+  bool connected = 0;
+  struct Curl_easy *data = conn->data;
+  struct ssh_conn *sshc = &conn->proto.sshc;
+
+  *done = FALSE; /* default to false */
+
+  data->req.size = -1; /* make sure this is unknown at this point */
+
+  sshc->actualcode = CURLE_OK; /* reset error code */
+  sshc->secondCreateDirs = 0;   /* reset the create dir attempt state
+                                   variable */
+
+  Curl_pgrsSetUploadCounter(data, 0);
+  Curl_pgrsSetDownloadCounter(data, 0);
+  Curl_pgrsSetUploadSize(data, -1);
+  Curl_pgrsSetDownloadSize(data, -1);
+
+  if(conn->handler->protocol & CURLPROTO_SCP)
+    result = scp_perform(conn, &connected,  done);
+  else
+    result = sftp_perform(conn, &connected,  done);
+
+  return result;
+}
+
+/* BLOCKING, but the function is using the state machine so the only reason
+   this is still blocking is that the multi interface code has no support for
+   disconnecting operations that takes a while */
+static CURLcode scp_disconnect(struct connectdata *conn, bool dead_connection)
+{
+  CURLcode result = CURLE_OK;
+  struct ssh_conn *ssh = &conn->proto.sshc;
+  (void) dead_connection;
+
+  if(ssh->ssh_session) {
+    /* only if there's a session still around to use! */
+
+    state(conn, SSH_SESSION_DISCONNECT);
+
+    result = ssh_block_statemach(conn, TRUE);
+  }
+
+  return result;
+}
+
+/* generic done function for both SCP and SFTP called from their specific
+   done functions */
+static CURLcode ssh_done(struct connectdata *conn, CURLcode status)
+{
+  CURLcode result = CURLE_OK;
+  struct SSHPROTO *sftp_scp = conn->data->req.protop;
+
+  if(!status) {
+    /* run the state-machine
+
+       TODO: when the multi interface is used, this _really_ should be using
+       the ssh_multi_statemach function but we have no general support for
+       non-blocking DONE operations!
+    */
+    result = ssh_block_statemach(conn, FALSE);
+  }
+  else
+    result = status;
+
+  if(sftp_scp)
+    Curl_safefree(sftp_scp->path);
+  if(Curl_pgrsDone(conn))
+    return CURLE_ABORTED_BY_CALLBACK;
+
+  conn->data->req.keepon = 0; /* clear all bits */
+  return result;
+}
+
+
+static CURLcode scp_done(struct connectdata *conn, CURLcode status,
+                         bool premature)
+{
+  (void)premature; /* not used */
+
+  if(!status)
+    state(conn, SSH_SCP_DONE);
+
+  return ssh_done(conn, status);
+
+}
+
+static ssize_t scp_send(struct connectdata *conn, int sockindex,
+                        const void *mem, size_t len, CURLcode *err)
+{
+  ssize_t nwrite;
+  (void)sockindex; /* we only support SCP on the fixed known primary socket */
+
+  /* libssh2_channel_write() returns int! */
+  nwrite = (ssize_t)
+    libssh2_channel_write(conn->proto.sshc.ssh_channel, mem, len);
+
+  ssh_block2waitfor(conn, (nwrite == LIBSSH2_ERROR_EAGAIN)?TRUE:FALSE);
+
+  if(nwrite == LIBSSH2_ERROR_EAGAIN) {
+    *err = CURLE_AGAIN;
+    nwrite = 0;
+  }
+  else if(nwrite < LIBSSH2_ERROR_NONE) {
+    *err = libssh2_session_error_to_CURLE((int)nwrite);
+    nwrite = -1;
+  }
+
+  return nwrite;
+}
+
+static ssize_t scp_recv(struct connectdata *conn, int sockindex,
+                        char *mem, size_t len, CURLcode *err)
+{
+  ssize_t nread;
+  (void)sockindex; /* we only support SCP on the fixed known primary socket */
+
+  /* libssh2_channel_read() returns int */
+  nread = (ssize_t)
+    libssh2_channel_read(conn->proto.sshc.ssh_channel, mem, len);
+
+  ssh_block2waitfor(conn, (nread == LIBSSH2_ERROR_EAGAIN)?TRUE:FALSE);
+  if(nread == LIBSSH2_ERROR_EAGAIN) {
+    *err = CURLE_AGAIN;
+    nread = -1;
+  }
+
+  return nread;
+}
+
+/*
+ * =============== SFTP ===============
+ */
+
+/*
+ ***********************************************************************
+ *
+ * sftp_perform()
+ *
+ * This is the actual DO function for SFTP. Get a file/directory according to
+ * the options previously setup.
+ */
+
+static
+CURLcode sftp_perform(struct connectdata *conn,
+                      bool *connected,
+                      bool *dophase_done)
+{
+  CURLcode result = CURLE_OK;
+
+  DEBUGF(infof(conn->data, "DO phase starts\n"));
+
+  *dophase_done = FALSE; /* not done yet */
+
+  /* start the first command in the DO phase */
+  state(conn, SSH_SFTP_QUOTE_INIT);
+
+  /* run the state-machine */
+  result = ssh_multi_statemach(conn, dophase_done);
+
+  *connected = conn->bits.tcpconnect[FIRSTSOCKET];
+
+  if(*dophase_done) {
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+  }
+
+  return result;
+}
+
+/* called from multi.c while DOing */
+static CURLcode sftp_doing(struct connectdata *conn,
+                           bool *dophase_done)
+{
+  CURLcode result = ssh_multi_statemach(conn, dophase_done);
+
+  if(*dophase_done) {
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+  }
+  return result;
+}
+
+/* BLOCKING, but the function is using the state machine so the only reason
+   this is still blocking is that the multi interface code has no support for
+   disconnecting operations that takes a while */
+static CURLcode sftp_disconnect(struct connectdata *conn, bool dead_connection)
+{
+  CURLcode result = CURLE_OK;
+  (void) dead_connection;
+
+  DEBUGF(infof(conn->data, "SSH DISCONNECT starts now\n"));
+
+  if(conn->proto.sshc.ssh_session) {
+    /* only if there's a session still around to use! */
+    state(conn, SSH_SFTP_SHUTDOWN);
+    result = ssh_block_statemach(conn, TRUE);
+  }
+
+  DEBUGF(infof(conn->data, "SSH DISCONNECT is done\n"));
+
+  return result;
+
+}
+
+static CURLcode sftp_done(struct connectdata *conn, CURLcode status,
+                               bool premature)
+{
+  struct ssh_conn *sshc = &conn->proto.sshc;
+
+  if(!status) {
+    /* Post quote commands are executed after the SFTP_CLOSE state to avoid
+       errors that could happen due to open file handles during POSTQUOTE
+       operation */
+    if(!status && !premature && conn->data->set.postquote &&
+       !conn->bits.retry) {
+      sshc->nextstate = SSH_SFTP_POSTQUOTE_INIT;
+      state(conn, SSH_SFTP_CLOSE);
+    }
+    else
+      state(conn, SSH_SFTP_CLOSE);
+  }
+  return ssh_done(conn, status);
+}
+
+/* return number of sent bytes */
+static ssize_t sftp_send(struct connectdata *conn, int sockindex,
+                         const void *mem, size_t len, CURLcode *err)
+{
+  ssize_t nwrite;   /* libssh2_sftp_write() used to return size_t in 0.14
+                       but is changed to ssize_t in 0.15. These days we don't
+                       support libssh2 0.15*/
+  (void)sockindex;
+
+  nwrite = libssh2_sftp_write(conn->proto.sshc.sftp_handle, mem, len);
+
+  ssh_block2waitfor(conn, (nwrite == LIBSSH2_ERROR_EAGAIN)?TRUE:FALSE);
+
+  if(nwrite == LIBSSH2_ERROR_EAGAIN) {
+    *err = CURLE_AGAIN;
+    nwrite = 0;
+  }
+  else if(nwrite < LIBSSH2_ERROR_NONE) {
+    *err = libssh2_session_error_to_CURLE((int)nwrite);
+    nwrite = -1;
+  }
+
+  return nwrite;
+}
+
+/*
+ * Return number of received (decrypted) bytes
+ * or <0 on error
+ */
+static ssize_t sftp_recv(struct connectdata *conn, int sockindex,
+                         char *mem, size_t len, CURLcode *err)
+{
+  ssize_t nread;
+  (void)sockindex;
+
+  nread = libssh2_sftp_read(conn->proto.sshc.sftp_handle, mem, len);
+
+  ssh_block2waitfor(conn, (nread == LIBSSH2_ERROR_EAGAIN)?TRUE:FALSE);
+
+  if(nread == LIBSSH2_ERROR_EAGAIN) {
+    *err = CURLE_AGAIN;
+    nread = -1;
+
+  }
+  else if(nread < 0) {
+    *err = libssh2_session_error_to_CURLE((int)nread);
+  }
+  return nread;
+}
+
+static const char *sftp_libssh2_strerror(int err)
+{
+  switch(err) {
+    case LIBSSH2_FX_NO_SUCH_FILE:
+      return "No such file or directory";
+
+    case LIBSSH2_FX_PERMISSION_DENIED:
+      return "Permission denied";
+
+    case LIBSSH2_FX_FAILURE:
+      return "Operation failed";
+
+    case LIBSSH2_FX_BAD_MESSAGE:
+      return "Bad message from SFTP server";
+
+    case LIBSSH2_FX_NO_CONNECTION:
+      return "Not connected to SFTP server";
+
+    case LIBSSH2_FX_CONNECTION_LOST:
+      return "Connection to SFTP server lost";
+
+    case LIBSSH2_FX_OP_UNSUPPORTED:
+      return "Operation not supported by SFTP server";
+
+    case LIBSSH2_FX_INVALID_HANDLE:
+      return "Invalid handle";
+
+    case LIBSSH2_FX_NO_SUCH_PATH:
+      return "No such file or directory";
+
+    case LIBSSH2_FX_FILE_ALREADY_EXISTS:
+      return "File already exists";
+
+    case LIBSSH2_FX_WRITE_PROTECT:
+      return "File is write protected";
+
+    case LIBSSH2_FX_NO_MEDIA:
+      return "No media";
+
+    case LIBSSH2_FX_NO_SPACE_ON_FILESYSTEM:
+      return "Disk full";
+
+    case LIBSSH2_FX_QUOTA_EXCEEDED:
+      return "User quota exceeded";
+
+    case LIBSSH2_FX_UNKNOWN_PRINCIPLE:
+      return "Unknown principle";
+
+    case LIBSSH2_FX_LOCK_CONFlICT:
+      return "File lock conflict";
+
+    case LIBSSH2_FX_DIR_NOT_EMPTY:
+      return "Directory not empty";
+
+    case LIBSSH2_FX_NOT_A_DIRECTORY:
+      return "Not a directory";
+
+    case LIBSSH2_FX_INVALID_FILENAME:
+      return "Invalid filename";
+
+    case LIBSSH2_FX_LINK_LOOP:
+      return "Link points to itself";
+  }
+  return "Unknown error in libssh2";
+}
+
+#endif /* USE_LIBSSH2 */
Index: trunk/src/libs/curl-7.64.0/lib/ssh.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/ssh.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/ssh.h	(revision 85671)
@@ -0,0 +1,245 @@
+#ifndef HEADER_CURL_SSH_H
+#define HEADER_CURL_SSH_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(HAVE_LIBSSH2_H)
+#include <libssh2.h>
+#include <libssh2_sftp.h>
+#elif defined(HAVE_LIBSSH_LIBSSH_H)
+#include <libssh/libssh.h>
+#include <libssh/sftp.h>
+#endif /* HAVE_LIBSSH2_H */
+
+/****************************************************************************
+ * SSH unique setup
+ ***************************************************************************/
+typedef enum {
+  SSH_NO_STATE = -1,  /* Used for "nextState" so say there is none */
+  SSH_STOP = 0,       /* do nothing state, stops the state machine */
+
+  SSH_INIT,           /* First state in SSH-CONNECT */
+  SSH_S_STARTUP,      /* Session startup */
+  SSH_HOSTKEY,        /* verify hostkey */
+  SSH_AUTHLIST,
+  SSH_AUTH_PKEY_INIT,
+  SSH_AUTH_PKEY,
+  SSH_AUTH_PASS_INIT,
+  SSH_AUTH_PASS,
+  SSH_AUTH_AGENT_INIT, /* initialize then wait for connection to agent */
+  SSH_AUTH_AGENT_LIST, /* ask for list then wait for entire list to come */
+  SSH_AUTH_AGENT,      /* attempt one key at a time */
+  SSH_AUTH_HOST_INIT,
+  SSH_AUTH_HOST,
+  SSH_AUTH_KEY_INIT,
+  SSH_AUTH_KEY,
+  SSH_AUTH_GSSAPI,
+  SSH_AUTH_DONE,
+  SSH_SFTP_INIT,
+  SSH_SFTP_REALPATH,   /* Last state in SSH-CONNECT */
+
+  SSH_SFTP_QUOTE_INIT, /* First state in SFTP-DO */
+  SSH_SFTP_POSTQUOTE_INIT, /* (Possibly) First state in SFTP-DONE */
+  SSH_SFTP_QUOTE,
+  SSH_SFTP_NEXT_QUOTE,
+  SSH_SFTP_QUOTE_STAT,
+  SSH_SFTP_QUOTE_SETSTAT,
+  SSH_SFTP_QUOTE_SYMLINK,
+  SSH_SFTP_QUOTE_MKDIR,
+  SSH_SFTP_QUOTE_RENAME,
+  SSH_SFTP_QUOTE_RMDIR,
+  SSH_SFTP_QUOTE_UNLINK,
+  SSH_SFTP_QUOTE_STATVFS,
+  SSH_SFTP_GETINFO,
+  SSH_SFTP_FILETIME,
+  SSH_SFTP_TRANS_INIT,
+  SSH_SFTP_UPLOAD_INIT,
+  SSH_SFTP_CREATE_DIRS_INIT,
+  SSH_SFTP_CREATE_DIRS,
+  SSH_SFTP_CREATE_DIRS_MKDIR,
+  SSH_SFTP_READDIR_INIT,
+  SSH_SFTP_READDIR,
+  SSH_SFTP_READDIR_LINK,
+  SSH_SFTP_READDIR_BOTTOM,
+  SSH_SFTP_READDIR_DONE,
+  SSH_SFTP_DOWNLOAD_INIT,
+  SSH_SFTP_DOWNLOAD_STAT, /* Last state in SFTP-DO */
+  SSH_SFTP_CLOSE,    /* Last state in SFTP-DONE */
+  SSH_SFTP_SHUTDOWN, /* First state in SFTP-DISCONNECT */
+  SSH_SCP_TRANS_INIT, /* First state in SCP-DO */
+  SSH_SCP_UPLOAD_INIT,
+  SSH_SCP_DOWNLOAD_INIT,
+  SSH_SCP_DOWNLOAD,
+  SSH_SCP_DONE,
+  SSH_SCP_SEND_EOF,
+  SSH_SCP_WAIT_EOF,
+  SSH_SCP_WAIT_CLOSE,
+  SSH_SCP_CHANNEL_FREE,   /* Last state in SCP-DONE */
+  SSH_SESSION_DISCONNECT, /* First state in SCP-DISCONNECT */
+  SSH_SESSION_FREE,       /* Last state in SCP/SFTP-DISCONNECT */
+  SSH_QUIT,
+  SSH_LAST  /* never used */
+} sshstate;
+
+/* this struct is used in the HandleData struct which is part of the
+   Curl_easy, which means this is used on a per-easy handle basis.
+   Everything that is strictly related to a connection is banned from this
+   struct. */
+struct SSHPROTO {
+  char *path;                  /* the path we operate on */
+};
+
+/* ssh_conn is used for struct connection-oriented data in the connectdata
+   struct */
+struct ssh_conn {
+  const char *authlist;       /* List of auth. methods, managed by libssh2 */
+
+  /* common */
+  const char *passphrase;     /* pass-phrase to use */
+  char *rsa_pub;              /* path name */
+  char *rsa;                  /* path name */
+  bool authed;                /* the connection has been authenticated fine */
+  sshstate state;             /* always use ssh.c:state() to change state! */
+  sshstate nextstate;         /* the state to goto after stopping */
+  CURLcode actualcode;        /* the actual error code */
+  struct curl_slist *quote_item; /* for the quote option */
+  char *quote_path1;          /* two generic pointers for the QUOTE stuff */
+  char *quote_path2;
+
+  bool acceptfail;            /* used by the SFTP_QUOTE (continue if
+                                 quote command fails) */
+  char *homedir;              /* when doing SFTP we figure out home dir in the
+                                 connect phase */
+  size_t readdir_len, readdir_totalLen, readdir_currLen;
+  char *readdir_line;
+  char *readdir_linkPath;
+  /* end of READDIR stuff */
+
+  int secondCreateDirs;         /* counter use by the code to see if the
+                                   second attempt has been made to change
+                                   to/create a directory */
+  char *slash_pos;              /* used by the SFTP_CREATE_DIRS state */
+
+  int orig_waitfor;             /* default READ/WRITE bits wait for */
+
+#if defined(USE_LIBSSH)
+/* our variables */
+  unsigned kbd_state; /* 0 or 1 */
+  ssh_key privkey;
+  ssh_key pubkey;
+  int auth_methods;
+  ssh_session ssh_session;
+  ssh_scp scp_session;
+  sftp_session sftp_session;
+  sftp_file sftp_file;
+  sftp_dir sftp_dir;
+
+  unsigned sftp_recv_state; /* 0 or 1 */
+  int sftp_file_index; /* for async read */
+  sftp_attributes readdir_attrs; /* used by the SFTP readdir actions */
+  sftp_attributes readdir_link_attrs; /* used by the SFTP readdir actions */
+  sftp_attributes quote_attrs; /* used by the SFTP_QUOTE state */
+
+  const char *readdir_filename; /* points within readdir_attrs */
+  const char *readdir_longentry;
+  char *readdir_tmp;
+#elif defined(USE_LIBSSH2)
+  char *readdir_filename;
+  char *readdir_longentry;
+
+  LIBSSH2_SFTP_ATTRIBUTES quote_attrs; /* used by the SFTP_QUOTE state */
+
+  /* Here's a set of struct members used by the SFTP_READDIR state */
+  LIBSSH2_SFTP_ATTRIBUTES readdir_attrs;
+  LIBSSH2_SESSION *ssh_session; /* Secure Shell session */
+  LIBSSH2_CHANNEL *ssh_channel; /* Secure Shell channel handle */
+  LIBSSH2_SFTP *sftp_session;   /* SFTP handle */
+  LIBSSH2_SFTP_HANDLE *sftp_handle;
+
+#ifdef HAVE_LIBSSH2_AGENT_API
+  LIBSSH2_AGENT *ssh_agent;     /* proxy to ssh-agent/pageant */
+  struct libssh2_agent_publickey *sshagent_identity,
+                                 *sshagent_prev_identity;
+#endif
+
+  /* note that HAVE_LIBSSH2_KNOWNHOST_API is a define set in the libssh2.h
+     header */
+#ifdef HAVE_LIBSSH2_KNOWNHOST_API
+  LIBSSH2_KNOWNHOSTS *kh;
+#endif
+#endif /* USE_LIBSSH */
+};
+
+#if defined(USE_LIBSSH)
+
+#define CURL_LIBSSH_VERSION ssh_version(0)
+
+extern const struct Curl_handler Curl_handler_scp;
+extern const struct Curl_handler Curl_handler_sftp;
+
+#elif defined(USE_LIBSSH2)
+
+/* Feature detection based on version numbers to better work with
+   non-configure platforms */
+
+#if !defined(LIBSSH2_VERSION_NUM) || (LIBSSH2_VERSION_NUM < 0x001000)
+#  error "SCP/SFTP protocols require libssh2 0.16 or later"
+#endif
+
+#if LIBSSH2_VERSION_NUM >= 0x010000
+#define HAVE_LIBSSH2_SFTP_SEEK64 1
+#endif
+
+#if LIBSSH2_VERSION_NUM >= 0x010100
+#define HAVE_LIBSSH2_VERSION 1
+#endif
+
+#if LIBSSH2_VERSION_NUM >= 0x010205
+#define HAVE_LIBSSH2_INIT 1
+#define HAVE_LIBSSH2_EXIT 1
+#endif
+
+#if LIBSSH2_VERSION_NUM >= 0x010206
+#define HAVE_LIBSSH2_KNOWNHOST_CHECKP 1
+#define HAVE_LIBSSH2_SCP_SEND64 1
+#endif
+
+#if LIBSSH2_VERSION_NUM >= 0x010208
+#define HAVE_LIBSSH2_SESSION_HANDSHAKE 1
+#endif
+
+#ifdef HAVE_LIBSSH2_VERSION
+/* get it run-time if possible */
+#define CURL_LIBSSH2_VERSION libssh2_version(0)
+#else
+/* use build-time if run-time not possible */
+#define CURL_LIBSSH2_VERSION LIBSSH2_VERSION
+#endif
+
+extern const struct Curl_handler Curl_handler_scp;
+extern const struct Curl_handler Curl_handler_sftp;
+
+#endif /* USE_LIBSSH2 */
+
+#endif /* HEADER_CURL_SSH_H */
Index: trunk/src/libs/curl-7.64.0/lib/strcase.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/strcase.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/strcase.c	(revision 85671)
@@ -0,0 +1,177 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#include "strcase.h"
+
+/* Portable, consistent toupper (remember EBCDIC). Do not use toupper() because
+   its behavior is altered by the current locale. */
+char Curl_raw_toupper(char in)
+{
+#if !defined(CURL_DOES_CONVERSIONS)
+  if(in >= 'a' && in <= 'z')
+    return (char)('A' + in - 'a');
+#else
+  switch(in) {
+  case 'a':
+    return 'A';
+  case 'b':
+    return 'B';
+  case 'c':
+    return 'C';
+  case 'd':
+    return 'D';
+  case 'e':
+    return 'E';
+  case 'f':
+    return 'F';
+  case 'g':
+    return 'G';
+  case 'h':
+    return 'H';
+  case 'i':
+    return 'I';
+  case 'j':
+    return 'J';
+  case 'k':
+    return 'K';
+  case 'l':
+    return 'L';
+  case 'm':
+    return 'M';
+  case 'n':
+    return 'N';
+  case 'o':
+    return 'O';
+  case 'p':
+    return 'P';
+  case 'q':
+    return 'Q';
+  case 'r':
+    return 'R';
+  case 's':
+    return 'S';
+  case 't':
+    return 'T';
+  case 'u':
+    return 'U';
+  case 'v':
+    return 'V';
+  case 'w':
+    return 'W';
+  case 'x':
+    return 'X';
+  case 'y':
+    return 'Y';
+  case 'z':
+    return 'Z';
+  }
+#endif
+
+  return in;
+}
+
+/*
+ * Curl_strcasecompare() is for doing "raw" case insensitive strings. This is
+ * meant to be locale independent and only compare strings we know are safe
+ * for this.  See
+ * https://daniel.haxx.se/blog/2008/10/15/strcasecmp-in-turkish/ for some
+ * further explanation to why this function is necessary.
+ *
+ * The function is capable of comparing a-z case insensitively even for
+ * non-ascii.
+ *
+ * @unittest: 1301
+ */
+
+int Curl_strcasecompare(const char *first, const char *second)
+{
+  while(*first && *second) {
+    if(Curl_raw_toupper(*first) != Curl_raw_toupper(*second))
+      /* get out of the loop as soon as they don't match */
+      break;
+    first++;
+    second++;
+  }
+  /* we do the comparison here (possibly again), just to make sure that if the
+     loop above is skipped because one of the strings reached zero, we must not
+     return this as a successful match */
+  return (Curl_raw_toupper(*first) == Curl_raw_toupper(*second));
+}
+
+int Curl_safe_strcasecompare(const char *first, const char *second)
+{
+  if(first && second)
+    /* both pointers point to something then compare them */
+    return Curl_strcasecompare(first, second);
+
+  /* if both pointers are NULL then treat them as equal */
+  return (NULL == first && NULL == second);
+}
+
+/*
+ * @unittest: 1301
+ */
+int Curl_strncasecompare(const char *first, const char *second, size_t max)
+{
+  while(*first && *second && max) {
+    if(Curl_raw_toupper(*first) != Curl_raw_toupper(*second)) {
+      break;
+    }
+    max--;
+    first++;
+    second++;
+  }
+  if(0 == max)
+    return 1; /* they are equal this far */
+
+  return Curl_raw_toupper(*first) == Curl_raw_toupper(*second);
+}
+
+/* Copy an upper case version of the string from src to dest.  The
+ * strings may overlap.  No more than n characters of the string are copied
+ * (including any NUL) and the destination string will NOT be
+ * NUL-terminated if that limit is reached.
+ */
+void Curl_strntoupper(char *dest, const char *src, size_t n)
+{
+  if(n < 1)
+    return;
+
+  do {
+    *dest++ = Curl_raw_toupper(*src);
+  } while(*src++ && --n);
+}
+
+/* --- public functions --- */
+
+int curl_strequal(const char *first, const char *second)
+{
+  return Curl_strcasecompare(first, second);
+}
+int curl_strnequal(const char *first, const char *second, size_t max)
+{
+  return Curl_strncasecompare(first, second, max);
+}
Index: trunk/src/libs/curl-7.64.0/lib/strcase.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/strcase.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/strcase.h	(revision 85671)
@@ -0,0 +1,50 @@
+#ifndef HEADER_CURL_STRCASE_H
+#define HEADER_CURL_STRCASE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include <curl/curl.h>
+
+/*
+ * Only "raw" case insensitive strings. This is meant to be locale independent
+ * and only compare strings we know are safe for this.
+ *
+ * The function is capable of comparing a-z case insensitively even for
+ * non-ascii.
+ */
+
+#define strcasecompare(a,b) Curl_strcasecompare(a,b)
+#define strncasecompare(a,b,c) Curl_strncasecompare(a,b,c)
+
+int Curl_strcasecompare(const char *first, const char *second);
+int Curl_safe_strcasecompare(const char *first, const char *second);
+int Curl_strncasecompare(const char *first, const char *second, size_t max);
+
+char Curl_raw_toupper(char in);
+
+/* checkprefix() is a shorter version of the above, used when the first
+   argument is zero-byte terminated */
+#define checkprefix(a,b)    curl_strnequal(a,b,strlen(a))
+
+void Curl_strntoupper(char *dest, const char *src, size_t n);
+
+#endif /* HEADER_CURL_STRCASE_H */
Index: trunk/src/libs/curl-7.64.0/lib/strdup.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/strdup.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/strdup.c	(revision 85671)
@@ -0,0 +1,100 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#include "strdup.h"
+#include "curl_memory.h"
+
+/* The last #include file should be: */
+#include "memdebug.h"
+
+#ifndef HAVE_STRDUP
+char *curlx_strdup(const char *str)
+{
+  size_t len;
+  char *newstr;
+
+  if(!str)
+    return (char *)NULL;
+
+  len = strlen(str);
+
+  if(len >= ((size_t)-1) / sizeof(char))
+    return (char *)NULL;
+
+  newstr = malloc((len + 1)*sizeof(char));
+  if(!newstr)
+    return (char *)NULL;
+
+  memcpy(newstr, str, (len + 1)*sizeof(char));
+
+  return newstr;
+
+}
+#endif
+
+/***************************************************************************
+ *
+ * Curl_memdup(source, length)
+ *
+ * Copies the 'source' data to a newly allocated buffer (that is
+ * returned). Copies 'length' bytes.
+ *
+ * Returns the new pointer or NULL on failure.
+ *
+ ***************************************************************************/
+void *Curl_memdup(const void *src, size_t length)
+{
+  void *buffer = malloc(length);
+  if(!buffer)
+    return NULL; /* fail */
+
+  memcpy(buffer, src, length);
+
+  return buffer;
+}
+
+/***************************************************************************
+ *
+ * Curl_saferealloc(ptr, size)
+ *
+ * Does a normal realloc(), but will free the data pointer if the realloc
+ * fails. If 'size' is non-zero, it will free the data and return a failure.
+ *
+ * This convenience function is provided and used to help us avoid a common
+ * mistake pattern when we could pass in a zero, catch the NULL return and end
+ * up free'ing the memory twice.
+ *
+ * Returns the new pointer or NULL on failure.
+ *
+ ***************************************************************************/
+void *Curl_saferealloc(void *ptr, size_t size)
+{
+  void *datap = realloc(ptr, size);
+  if(size && !datap)
+    /* only free 'ptr' if size was non-zero */
+    free(ptr);
+  return datap;
+}
Index: trunk/src/libs/curl-7.64.0/lib/strdup.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/strdup.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/strdup.h	(revision 85671)
@@ -0,0 +1,32 @@
+#ifndef HEADER_CURL_STRDUP_H
+#define HEADER_CURL_STRDUP_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#ifndef HAVE_STRDUP
+extern char *curlx_strdup(const char *str);
+#endif
+void *Curl_memdup(const void *src, size_t buffer_length);
+void *Curl_saferealloc(void *ptr, size_t size);
+
+#endif /* HEADER_CURL_STRDUP_H */
Index: trunk/src/libs/curl-7.64.0/lib/strerror.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/strerror.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/strerror.c	(revision 85671)
@@ -0,0 +1,1106 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2004 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_STRERROR_R
+#  if (!defined(HAVE_POSIX_STRERROR_R) && \
+       !defined(HAVE_GLIBC_STRERROR_R) && \
+       !defined(HAVE_VXWORKS_STRERROR_R)) || \
+      (defined(HAVE_POSIX_STRERROR_R) && defined(HAVE_VXWORKS_STRERROR_R)) || \
+      (defined(HAVE_GLIBC_STRERROR_R) && defined(HAVE_VXWORKS_STRERROR_R)) || \
+      (defined(HAVE_POSIX_STRERROR_R) && defined(HAVE_GLIBC_STRERROR_R))
+#    error "strerror_r MUST be either POSIX, glibc or vxworks-style"
+#  endif
+#endif
+
+#include <curl/curl.h>
+
+#ifdef USE_LIBIDN2
+#include <idn2.h>
+#endif
+
+#ifdef USE_WINDOWS_SSPI
+#include "curl_sspi.h"
+#endif
+
+#include "strerror.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#if defined(WIN32) || defined(_WIN32_WCE)
+#define PRESERVE_WINDOWS_ERROR_CODE
+#endif
+
+const char *
+curl_easy_strerror(CURLcode error)
+{
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+  switch(error) {
+  case CURLE_OK:
+    return "No error";
+
+  case CURLE_UNSUPPORTED_PROTOCOL:
+    return "Unsupported protocol";
+
+  case CURLE_FAILED_INIT:
+    return "Failed initialization";
+
+  case CURLE_URL_MALFORMAT:
+    return "URL using bad/illegal format or missing URL";
+
+  case CURLE_NOT_BUILT_IN:
+    return "A requested feature, protocol or option was not found built-in in"
+      " this libcurl due to a build-time decision.";
+
+  case CURLE_COULDNT_RESOLVE_PROXY:
+    return "Couldn't resolve proxy name";
+
+  case CURLE_COULDNT_RESOLVE_HOST:
+    return "Couldn't resolve host name";
+
+  case CURLE_COULDNT_CONNECT:
+    return "Couldn't connect to server";
+
+  case CURLE_WEIRD_SERVER_REPLY:
+    return "Weird server reply";
+
+  case CURLE_REMOTE_ACCESS_DENIED:
+    return "Access denied to remote resource";
+
+  case CURLE_FTP_ACCEPT_FAILED:
+    return "FTP: The server failed to connect to data port";
+
+  case CURLE_FTP_ACCEPT_TIMEOUT:
+    return "FTP: Accepting server connect has timed out";
+
+  case CURLE_FTP_PRET_FAILED:
+    return "FTP: The server did not accept the PRET command.";
+
+  case CURLE_FTP_WEIRD_PASS_REPLY:
+    return "FTP: unknown PASS reply";
+
+  case CURLE_FTP_WEIRD_PASV_REPLY:
+    return "FTP: unknown PASV reply";
+
+  case CURLE_FTP_WEIRD_227_FORMAT:
+    return "FTP: unknown 227 response format";
+
+  case CURLE_FTP_CANT_GET_HOST:
+    return "FTP: can't figure out the host in the PASV response";
+
+  case CURLE_HTTP2:
+    return "Error in the HTTP2 framing layer";
+
+  case CURLE_FTP_COULDNT_SET_TYPE:
+    return "FTP: couldn't set file type";
+
+  case CURLE_PARTIAL_FILE:
+    return "Transferred a partial file";
+
+  case CURLE_FTP_COULDNT_RETR_FILE:
+    return "FTP: couldn't retrieve (RETR failed) the specified file";
+
+  case CURLE_QUOTE_ERROR:
+    return "Quote command returned error";
+
+  case CURLE_HTTP_RETURNED_ERROR:
+    return "HTTP response code said error";
+
+  case CURLE_WRITE_ERROR:
+    return "Failed writing received data to disk/application";
+
+  case CURLE_UPLOAD_FAILED:
+    return "Upload failed (at start/before it took off)";
+
+  case CURLE_READ_ERROR:
+    return "Failed to open/read local data from file/application";
+
+  case CURLE_OUT_OF_MEMORY:
+    return "Out of memory";
+
+  case CURLE_OPERATION_TIMEDOUT:
+    return "Timeout was reached";
+
+  case CURLE_FTP_PORT_FAILED:
+    return "FTP: command PORT failed";
+
+  case CURLE_FTP_COULDNT_USE_REST:
+    return "FTP: command REST failed";
+
+  case CURLE_RANGE_ERROR:
+    return "Requested range was not delivered by the server";
+
+  case CURLE_HTTP_POST_ERROR:
+    return "Internal problem setting up the POST";
+
+  case CURLE_SSL_CONNECT_ERROR:
+    return "SSL connect error";
+
+  case CURLE_BAD_DOWNLOAD_RESUME:
+    return "Couldn't resume download";
+
+  case CURLE_FILE_COULDNT_READ_FILE:
+    return "Couldn't read a file:// file";
+
+  case CURLE_LDAP_CANNOT_BIND:
+    return "LDAP: cannot bind";
+
+  case CURLE_LDAP_SEARCH_FAILED:
+    return "LDAP: search failed";
+
+  case CURLE_FUNCTION_NOT_FOUND:
+    return "A required function in the library was not found";
+
+  case CURLE_ABORTED_BY_CALLBACK:
+    return "Operation was aborted by an application callback";
+
+  case CURLE_BAD_FUNCTION_ARGUMENT:
+    return "A libcurl function was given a bad argument";
+
+  case CURLE_INTERFACE_FAILED:
+    return "Failed binding local connection end";
+
+  case CURLE_TOO_MANY_REDIRECTS :
+    return "Number of redirects hit maximum amount";
+
+  case CURLE_UNKNOWN_OPTION:
+    return "An unknown option was passed in to libcurl";
+
+  case CURLE_TELNET_OPTION_SYNTAX :
+    return "Malformed telnet option";
+
+  case CURLE_GOT_NOTHING:
+    return "Server returned nothing (no headers, no data)";
+
+  case CURLE_SSL_ENGINE_NOTFOUND:
+    return "SSL crypto engine not found";
+
+  case CURLE_SSL_ENGINE_SETFAILED:
+    return "Can not set SSL crypto engine as default";
+
+  case CURLE_SSL_ENGINE_INITFAILED:
+    return "Failed to initialise SSL crypto engine";
+
+  case CURLE_SEND_ERROR:
+    return "Failed sending data to the peer";
+
+  case CURLE_RECV_ERROR:
+    return "Failure when receiving data from the peer";
+
+  case CURLE_SSL_CERTPROBLEM:
+    return "Problem with the local SSL certificate";
+
+  case CURLE_SSL_CIPHER:
+    return "Couldn't use specified SSL cipher";
+
+  case CURLE_PEER_FAILED_VERIFICATION:
+    return "SSL peer certificate or SSH remote key was not OK";
+
+  case CURLE_SSL_CACERT_BADFILE:
+    return "Problem with the SSL CA cert (path? access rights?)";
+
+  case CURLE_BAD_CONTENT_ENCODING:
+    return "Unrecognized or bad HTTP Content or Transfer-Encoding";
+
+  case CURLE_LDAP_INVALID_URL:
+    return "Invalid LDAP URL";
+
+  case CURLE_FILESIZE_EXCEEDED:
+    return "Maximum file size exceeded";
+
+  case CURLE_USE_SSL_FAILED:
+    return "Requested SSL level failed";
+
+  case CURLE_SSL_SHUTDOWN_FAILED:
+    return "Failed to shut down the SSL connection";
+
+  case CURLE_SSL_CRL_BADFILE:
+    return "Failed to load CRL file (path? access rights?, format?)";
+
+  case CURLE_SSL_ISSUER_ERROR:
+    return "Issuer check against peer certificate failed";
+
+  case CURLE_SEND_FAIL_REWIND:
+    return "Send failed since rewinding of the data stream failed";
+
+  case CURLE_LOGIN_DENIED:
+    return "Login denied";
+
+  case CURLE_TFTP_NOTFOUND:
+    return "TFTP: File Not Found";
+
+  case CURLE_TFTP_PERM:
+    return "TFTP: Access Violation";
+
+  case CURLE_REMOTE_DISK_FULL:
+    return "Disk full or allocation exceeded";
+
+  case CURLE_TFTP_ILLEGAL:
+    return "TFTP: Illegal operation";
+
+  case CURLE_TFTP_UNKNOWNID:
+    return "TFTP: Unknown transfer ID";
+
+  case CURLE_REMOTE_FILE_EXISTS:
+    return "Remote file already exists";
+
+  case CURLE_TFTP_NOSUCHUSER:
+    return "TFTP: No such user";
+
+  case CURLE_CONV_FAILED:
+    return "Conversion failed";
+
+  case CURLE_CONV_REQD:
+    return "Caller must register CURLOPT_CONV_ callback options";
+
+  case CURLE_REMOTE_FILE_NOT_FOUND:
+    return "Remote file not found";
+
+  case CURLE_SSH:
+    return "Error in the SSH layer";
+
+  case CURLE_AGAIN:
+    return "Socket not ready for send/recv";
+
+  case CURLE_RTSP_CSEQ_ERROR:
+    return "RTSP CSeq mismatch or invalid CSeq";
+
+  case CURLE_RTSP_SESSION_ERROR:
+    return "RTSP session error";
+
+  case CURLE_FTP_BAD_FILE_LIST:
+    return "Unable to parse FTP file list";
+
+  case CURLE_CHUNK_FAILED:
+    return "Chunk callback failed";
+
+  case CURLE_NO_CONNECTION_AVAILABLE:
+    return "The max connection limit is reached";
+
+  case CURLE_SSL_PINNEDPUBKEYNOTMATCH:
+    return "SSL public key does not match pinned public key";
+
+  case CURLE_SSL_INVALIDCERTSTATUS:
+    return "SSL server certificate status verification FAILED";
+
+  case CURLE_HTTP2_STREAM:
+    return "Stream error in the HTTP/2 framing layer";
+
+  case CURLE_RECURSIVE_API_CALL:
+    return "API function called from within callback";
+
+    /* error codes not used by current libcurl */
+  case CURLE_OBSOLETE20:
+  case CURLE_OBSOLETE24:
+  case CURLE_OBSOLETE29:
+  case CURLE_OBSOLETE32:
+  case CURLE_OBSOLETE40:
+  case CURLE_OBSOLETE44:
+  case CURLE_OBSOLETE46:
+  case CURLE_OBSOLETE50:
+  case CURLE_OBSOLETE51:
+  case CURLE_OBSOLETE57:
+  case CURL_LAST:
+    break;
+  }
+  /*
+   * By using a switch, gcc -Wall will complain about enum values
+   * which do not appear, helping keep this function up-to-date.
+   * By using gcc -Wall -Werror, you can't forget.
+   *
+   * A table would not have the same benefit.  Most compilers will
+   * generate code very similar to a table in any case, so there
+   * is little performance gain from a table.  And something is broken
+   * for the user's application, anyways, so does it matter how fast
+   * it _doesn't_ work?
+   *
+   * The line number for the error will be near this comment, which
+   * is why it is here, and not at the start of the switch.
+   */
+  return "Unknown error";
+#else
+  if(!error)
+    return "No error";
+  else
+    return "Error";
+#endif
+}
+
+const char *
+curl_multi_strerror(CURLMcode error)
+{
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+  switch(error) {
+  case CURLM_CALL_MULTI_PERFORM:
+    return "Please call curl_multi_perform() soon";
+
+  case CURLM_OK:
+    return "No error";
+
+  case CURLM_BAD_HANDLE:
+    return "Invalid multi handle";
+
+  case CURLM_BAD_EASY_HANDLE:
+    return "Invalid easy handle";
+
+  case CURLM_OUT_OF_MEMORY:
+    return "Out of memory";
+
+  case CURLM_INTERNAL_ERROR:
+    return "Internal error";
+
+  case CURLM_BAD_SOCKET:
+    return "Invalid socket argument";
+
+  case CURLM_UNKNOWN_OPTION:
+    return "Unknown option";
+
+  case CURLM_ADDED_ALREADY:
+    return "The easy handle is already added to a multi handle";
+
+  case CURLM_RECURSIVE_API_CALL:
+    return "API function called from within callback";
+
+  case CURLM_LAST:
+    break;
+  }
+
+  return "Unknown error";
+#else
+  if(error == CURLM_OK)
+    return "No error";
+  else
+    return "Error";
+#endif
+}
+
+const char *
+curl_share_strerror(CURLSHcode error)
+{
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+  switch(error) {
+  case CURLSHE_OK:
+    return "No error";
+
+  case CURLSHE_BAD_OPTION:
+    return "Unknown share option";
+
+  case CURLSHE_IN_USE:
+    return "Share currently in use";
+
+  case CURLSHE_INVALID:
+    return "Invalid share handle";
+
+  case CURLSHE_NOMEM:
+    return "Out of memory";
+
+  case CURLSHE_NOT_BUILT_IN:
+    return "Feature not enabled in this library";
+
+  case CURLSHE_LAST:
+    break;
+  }
+
+  return "CURLSHcode unknown";
+#else
+  if(error == CURLSHE_OK)
+    return "No error";
+  else
+    return "Error";
+#endif
+}
+
+#ifdef USE_WINSOCK
+
+/* This function handles most / all (?) Winsock errors curl is able to produce.
+ */
+static const char *
+get_winsock_error (int err, char *buf, size_t len)
+{
+#ifdef PRESERVE_WINDOWS_ERROR_CODE
+  DWORD old_win_err = GetLastError();
+#endif
+  int old_errno = errno;
+  const char *p;
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+  switch(err) {
+  case WSAEINTR:
+    p = "Call interrupted";
+    break;
+  case WSAEBADF:
+    p = "Bad file";
+    break;
+  case WSAEACCES:
+    p = "Bad access";
+    break;
+  case WSAEFAULT:
+    p = "Bad argument";
+    break;
+  case WSAEINVAL:
+    p = "Invalid arguments";
+    break;
+  case WSAEMFILE:
+    p = "Out of file descriptors";
+    break;
+  case WSAEWOULDBLOCK:
+    p = "Call would block";
+    break;
+  case WSAEINPROGRESS:
+  case WSAEALREADY:
+    p = "Blocking call in progress";
+    break;
+  case WSAENOTSOCK:
+    p = "Descriptor is not a socket";
+    break;
+  case WSAEDESTADDRREQ:
+    p = "Need destination address";
+    break;
+  case WSAEMSGSIZE:
+    p = "Bad message size";
+    break;
+  case WSAEPROTOTYPE:
+    p = "Bad protocol";
+    break;
+  case WSAENOPROTOOPT:
+    p = "Protocol option is unsupported";
+    break;
+  case WSAEPROTONOSUPPORT:
+    p = "Protocol is unsupported";
+    break;
+  case WSAESOCKTNOSUPPORT:
+    p = "Socket is unsupported";
+    break;
+  case WSAEOPNOTSUPP:
+    p = "Operation not supported";
+    break;
+  case WSAEAFNOSUPPORT:
+    p = "Address family not supported";
+    break;
+  case WSAEPFNOSUPPORT:
+    p = "Protocol family not supported";
+    break;
+  case WSAEADDRINUSE:
+    p = "Address already in use";
+    break;
+  case WSAEADDRNOTAVAIL:
+    p = "Address not available";
+    break;
+  case WSAENETDOWN:
+    p = "Network down";
+    break;
+  case WSAENETUNREACH:
+    p = "Network unreachable";
+    break;
+  case WSAENETRESET:
+    p = "Network has been reset";
+    break;
+  case WSAECONNABORTED:
+    p = "Connection was aborted";
+    break;
+  case WSAECONNRESET:
+    p = "Connection was reset";
+    break;
+  case WSAENOBUFS:
+    p = "No buffer space";
+    break;
+  case WSAEISCONN:
+    p = "Socket is already connected";
+    break;
+  case WSAENOTCONN:
+    p = "Socket is not connected";
+    break;
+  case WSAESHUTDOWN:
+    p = "Socket has been shut down";
+    break;
+  case WSAETOOMANYREFS:
+    p = "Too many references";
+    break;
+  case WSAETIMEDOUT:
+    p = "Timed out";
+    break;
+  case WSAECONNREFUSED:
+    p = "Connection refused";
+    break;
+  case WSAELOOP:
+    p = "Loop??";
+    break;
+  case WSAENAMETOOLONG:
+    p = "Name too long";
+    break;
+  case WSAEHOSTDOWN:
+    p = "Host down";
+    break;
+  case WSAEHOSTUNREACH:
+    p = "Host unreachable";
+    break;
+  case WSAENOTEMPTY:
+    p = "Not empty";
+    break;
+  case WSAEPROCLIM:
+    p = "Process limit reached";
+    break;
+  case WSAEUSERS:
+    p = "Too many users";
+    break;
+  case WSAEDQUOT:
+    p = "Bad quota";
+    break;
+  case WSAESTALE:
+    p = "Something is stale";
+    break;
+  case WSAEREMOTE:
+    p = "Remote error";
+    break;
+#ifdef WSAEDISCON  /* missing in SalfordC! */
+  case WSAEDISCON:
+    p = "Disconnected";
+    break;
+#endif
+    /* Extended Winsock errors */
+  case WSASYSNOTREADY:
+    p = "Winsock library is not ready";
+    break;
+  case WSANOTINITIALISED:
+    p = "Winsock library not initialised";
+    break;
+  case WSAVERNOTSUPPORTED:
+    p = "Winsock version not supported";
+    break;
+
+    /* getXbyY() errors (already handled in herrmsg):
+     * Authoritative Answer: Host not found */
+  case WSAHOST_NOT_FOUND:
+    p = "Host not found";
+    break;
+
+    /* Non-Authoritative: Host not found, or SERVERFAIL */
+  case WSATRY_AGAIN:
+    p = "Host not found, try again";
+    break;
+
+    /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
+  case WSANO_RECOVERY:
+    p = "Unrecoverable error in call to nameserver";
+    break;
+
+    /* Valid name, no data record of requested type */
+  case WSANO_DATA:
+    p = "No data record of requested type";
+    break;
+
+  default:
+    return NULL;
+  }
+#else
+  if(!err)
+    return NULL;
+  else
+    p = "error";
+#endif
+  strncpy(buf, p, len);
+  buf [len-1] = '\0';
+
+  if(errno != old_errno)
+    errno = old_errno;
+
+#ifdef PRESERVE_WINDOWS_ERROR_CODE
+  if(old_win_err != GetLastError())
+    SetLastError(old_win_err);
+#endif
+
+  return buf;
+}
+#endif   /* USE_WINSOCK */
+
+/*
+ * Our thread-safe and smart strerror() replacement.
+ *
+ * The 'err' argument passed in to this function MUST be a true errno number
+ * as reported on this system. We do no range checking on the number before
+ * we pass it to the "number-to-message" conversion function and there might
+ * be systems that don't do proper range checking in there themselves.
+ *
+ * We don't do range checking (on systems other than Windows) since there is
+ * no good reliable and portable way to do it.
+ */
+const char *Curl_strerror(struct connectdata *conn, int err)
+{
+#ifdef PRESERVE_WINDOWS_ERROR_CODE
+  DWORD old_win_err = GetLastError();
+#endif
+  int old_errno = errno;
+  char *buf, *p;
+  size_t max;
+
+  DEBUGASSERT(conn);
+  DEBUGASSERT(err >= 0);
+
+  buf = conn->syserr_buf;
+  max = sizeof(conn->syserr_buf)-1;
+  *buf = '\0';
+
+#ifdef USE_WINSOCK
+
+#ifdef _WIN32_WCE
+  {
+    wchar_t wbuf[256];
+    wbuf[0] = L'\0';
+
+    FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, err,
+                  LANG_NEUTRAL, wbuf, sizeof(wbuf)/sizeof(wchar_t), NULL);
+    wcstombs(buf, wbuf, max);
+  }
+#else
+  /* 'sys_nerr' is the maximum errno number, it is not widely portable */
+  if(err >= 0 && err < sys_nerr)
+    strncpy(buf, strerror(err), max);
+  else {
+    if(!get_winsock_error(err, buf, max) &&
+       !FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, NULL, err,
+                       LANG_NEUTRAL, buf, (DWORD)max, NULL))
+      msnprintf(buf, max, "Unknown error %d (%#x)", err, err);
+  }
+#endif
+
+#else /* not USE_WINSOCK coming up */
+
+#if defined(HAVE_STRERROR_R) && defined(HAVE_POSIX_STRERROR_R)
+ /*
+  * The POSIX-style strerror_r() may set errno to ERANGE if insufficient
+  * storage is supplied via 'strerrbuf' and 'buflen' to hold the generated
+  * message string, or EINVAL if 'errnum' is not a valid error number.
+  */
+  if(0 != strerror_r(err, buf, max)) {
+    if('\0' == buf[0])
+      msnprintf(buf, max, "Unknown error %d", err);
+  }
+#elif defined(HAVE_STRERROR_R) && defined(HAVE_GLIBC_STRERROR_R)
+ /*
+  * The glibc-style strerror_r() only *might* use the buffer we pass to
+  * the function, but it always returns the error message as a pointer,
+  * so we must copy that string unconditionally (if non-NULL).
+  */
+  {
+    char buffer[256];
+    char *msg = strerror_r(err, buffer, sizeof(buffer));
+    if(msg)
+      strncpy(buf, msg, max);
+    else
+      msnprintf(buf, max, "Unknown error %d", err);
+  }
+#elif defined(HAVE_STRERROR_R) && defined(HAVE_VXWORKS_STRERROR_R)
+ /*
+  * The vxworks-style strerror_r() does use the buffer we pass to the function.
+  * The buffer size should be at least NAME_MAX (256)
+  */
+  {
+    char buffer[256];
+    if(OK == strerror_r(err, buffer))
+      strncpy(buf, buffer, max);
+    else
+      msnprintf(buf, max, "Unknown error %d", err);
+  }
+#else
+  {
+    char *msg = strerror(err);
+    if(msg)
+      strncpy(buf, msg, max);
+    else
+      msnprintf(buf, max, "Unknown error %d", err);
+  }
+#endif
+
+#endif /* end of ! USE_WINSOCK */
+
+  buf[max] = '\0'; /* make sure the string is zero terminated */
+
+  /* strip trailing '\r\n' or '\n'. */
+  p = strrchr(buf, '\n');
+  if(p && (p - buf) >= 2)
+    *p = '\0';
+  p = strrchr(buf, '\r');
+  if(p && (p - buf) >= 1)
+    *p = '\0';
+
+  if(errno != old_errno)
+    errno = old_errno;
+
+#ifdef PRESERVE_WINDOWS_ERROR_CODE
+  if(old_win_err != GetLastError())
+    SetLastError(old_win_err);
+#endif
+
+  return buf;
+}
+
+#ifdef USE_WINDOWS_SSPI
+const char *Curl_sspi_strerror (struct connectdata *conn, int err)
+{
+#ifdef PRESERVE_WINDOWS_ERROR_CODE
+  DWORD old_win_err = GetLastError();
+#endif
+  int old_errno = errno;
+  const char *txt;
+  char *outbuf;
+  size_t outmax;
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+  char txtbuf[80];
+  char msgbuf[sizeof(conn->syserr_buf)];
+  char *p, *str, *msg = NULL;
+  bool msg_formatted = FALSE;
+#endif
+
+  DEBUGASSERT(conn);
+
+  outbuf = conn->syserr_buf;
+  outmax = sizeof(conn->syserr_buf)-1;
+  *outbuf = '\0';
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+
+  switch(err) {
+    case SEC_E_OK:
+      txt = "No error";
+      break;
+    case CRYPT_E_REVOKED:
+      txt = "CRYPT_E_REVOKED";
+      break;
+    case SEC_E_ALGORITHM_MISMATCH:
+      txt = "SEC_E_ALGORITHM_MISMATCH";
+      break;
+    case SEC_E_BAD_BINDINGS:
+      txt = "SEC_E_BAD_BINDINGS";
+      break;
+    case SEC_E_BAD_PKGID:
+      txt = "SEC_E_BAD_PKGID";
+      break;
+    case SEC_E_BUFFER_TOO_SMALL:
+      txt = "SEC_E_BUFFER_TOO_SMALL";
+      break;
+    case SEC_E_CANNOT_INSTALL:
+      txt = "SEC_E_CANNOT_INSTALL";
+      break;
+    case SEC_E_CANNOT_PACK:
+      txt = "SEC_E_CANNOT_PACK";
+      break;
+    case SEC_E_CERT_EXPIRED:
+      txt = "SEC_E_CERT_EXPIRED";
+      break;
+    case SEC_E_CERT_UNKNOWN:
+      txt = "SEC_E_CERT_UNKNOWN";
+      break;
+    case SEC_E_CERT_WRONG_USAGE:
+      txt = "SEC_E_CERT_WRONG_USAGE";
+      break;
+    case SEC_E_CONTEXT_EXPIRED:
+      txt = "SEC_E_CONTEXT_EXPIRED";
+      break;
+    case SEC_E_CROSSREALM_DELEGATION_FAILURE:
+      txt = "SEC_E_CROSSREALM_DELEGATION_FAILURE";
+      break;
+    case SEC_E_CRYPTO_SYSTEM_INVALID:
+      txt = "SEC_E_CRYPTO_SYSTEM_INVALID";
+      break;
+    case SEC_E_DECRYPT_FAILURE:
+      txt = "SEC_E_DECRYPT_FAILURE";
+      break;
+    case SEC_E_DELEGATION_POLICY:
+      txt = "SEC_E_DELEGATION_POLICY";
+      break;
+    case SEC_E_DELEGATION_REQUIRED:
+      txt = "SEC_E_DELEGATION_REQUIRED";
+      break;
+    case SEC_E_DOWNGRADE_DETECTED:
+      txt = "SEC_E_DOWNGRADE_DETECTED";
+      break;
+    case SEC_E_ENCRYPT_FAILURE:
+      txt = "SEC_E_ENCRYPT_FAILURE";
+      break;
+    case SEC_E_ILLEGAL_MESSAGE:
+      txt = "SEC_E_ILLEGAL_MESSAGE";
+      break;
+    case SEC_E_INCOMPLETE_CREDENTIALS:
+      txt = "SEC_E_INCOMPLETE_CREDENTIALS";
+      break;
+    case SEC_E_INCOMPLETE_MESSAGE:
+      txt = "SEC_E_INCOMPLETE_MESSAGE";
+      break;
+    case SEC_E_INSUFFICIENT_MEMORY:
+      txt = "SEC_E_INSUFFICIENT_MEMORY";
+      break;
+    case SEC_E_INTERNAL_ERROR:
+      txt = "SEC_E_INTERNAL_ERROR";
+      break;
+    case SEC_E_INVALID_HANDLE:
+      txt = "SEC_E_INVALID_HANDLE";
+      break;
+    case SEC_E_INVALID_PARAMETER:
+      txt = "SEC_E_INVALID_PARAMETER";
+      break;
+    case SEC_E_INVALID_TOKEN:
+      txt = "SEC_E_INVALID_TOKEN";
+      break;
+    case SEC_E_ISSUING_CA_UNTRUSTED:
+      txt = "SEC_E_ISSUING_CA_UNTRUSTED";
+      break;
+    case SEC_E_ISSUING_CA_UNTRUSTED_KDC:
+      txt = "SEC_E_ISSUING_CA_UNTRUSTED_KDC";
+      break;
+    case SEC_E_KDC_CERT_EXPIRED:
+      txt = "SEC_E_KDC_CERT_EXPIRED";
+      break;
+    case SEC_E_KDC_CERT_REVOKED:
+      txt = "SEC_E_KDC_CERT_REVOKED";
+      break;
+    case SEC_E_KDC_INVALID_REQUEST:
+      txt = "SEC_E_KDC_INVALID_REQUEST";
+      break;
+    case SEC_E_KDC_UNABLE_TO_REFER:
+      txt = "SEC_E_KDC_UNABLE_TO_REFER";
+      break;
+    case SEC_E_KDC_UNKNOWN_ETYPE:
+      txt = "SEC_E_KDC_UNKNOWN_ETYPE";
+      break;
+    case SEC_E_LOGON_DENIED:
+      txt = "SEC_E_LOGON_DENIED";
+      break;
+    case SEC_E_MAX_REFERRALS_EXCEEDED:
+      txt = "SEC_E_MAX_REFERRALS_EXCEEDED";
+      break;
+    case SEC_E_MESSAGE_ALTERED:
+      txt = "SEC_E_MESSAGE_ALTERED";
+      break;
+    case SEC_E_MULTIPLE_ACCOUNTS:
+      txt = "SEC_E_MULTIPLE_ACCOUNTS";
+      break;
+    case SEC_E_MUST_BE_KDC:
+      txt = "SEC_E_MUST_BE_KDC";
+      break;
+    case SEC_E_NOT_OWNER:
+      txt = "SEC_E_NOT_OWNER";
+      break;
+    case SEC_E_NO_AUTHENTICATING_AUTHORITY:
+      txt = "SEC_E_NO_AUTHENTICATING_AUTHORITY";
+      break;
+    case SEC_E_NO_CREDENTIALS:
+      txt = "SEC_E_NO_CREDENTIALS";
+      break;
+    case SEC_E_NO_IMPERSONATION:
+      txt = "SEC_E_NO_IMPERSONATION";
+      break;
+    case SEC_E_NO_IP_ADDRESSES:
+      txt = "SEC_E_NO_IP_ADDRESSES";
+      break;
+    case SEC_E_NO_KERB_KEY:
+      txt = "SEC_E_NO_KERB_KEY";
+      break;
+    case SEC_E_NO_PA_DATA:
+      txt = "SEC_E_NO_PA_DATA";
+      break;
+    case SEC_E_NO_S4U_PROT_SUPPORT:
+      txt = "SEC_E_NO_S4U_PROT_SUPPORT";
+      break;
+    case SEC_E_NO_TGT_REPLY:
+      txt = "SEC_E_NO_TGT_REPLY";
+      break;
+    case SEC_E_OUT_OF_SEQUENCE:
+      txt = "SEC_E_OUT_OF_SEQUENCE";
+      break;
+    case SEC_E_PKINIT_CLIENT_FAILURE:
+      txt = "SEC_E_PKINIT_CLIENT_FAILURE";
+      break;
+    case SEC_E_PKINIT_NAME_MISMATCH:
+      txt = "SEC_E_PKINIT_NAME_MISMATCH";
+      break;
+    case SEC_E_POLICY_NLTM_ONLY:
+      txt = "SEC_E_POLICY_NLTM_ONLY";
+      break;
+    case SEC_E_QOP_NOT_SUPPORTED:
+      txt = "SEC_E_QOP_NOT_SUPPORTED";
+      break;
+    case SEC_E_REVOCATION_OFFLINE_C:
+      txt = "SEC_E_REVOCATION_OFFLINE_C";
+      break;
+    case SEC_E_REVOCATION_OFFLINE_KDC:
+      txt = "SEC_E_REVOCATION_OFFLINE_KDC";
+      break;
+    case SEC_E_SECPKG_NOT_FOUND:
+      txt = "SEC_E_SECPKG_NOT_FOUND";
+      break;
+    case SEC_E_SECURITY_QOS_FAILED:
+      txt = "SEC_E_SECURITY_QOS_FAILED";
+      break;
+    case SEC_E_SHUTDOWN_IN_PROGRESS:
+      txt = "SEC_E_SHUTDOWN_IN_PROGRESS";
+      break;
+    case SEC_E_SMARTCARD_CERT_EXPIRED:
+      txt = "SEC_E_SMARTCARD_CERT_EXPIRED";
+      break;
+    case SEC_E_SMARTCARD_CERT_REVOKED:
+      txt = "SEC_E_SMARTCARD_CERT_REVOKED";
+      break;
+    case SEC_E_SMARTCARD_LOGON_REQUIRED:
+      txt = "SEC_E_SMARTCARD_LOGON_REQUIRED";
+      break;
+    case SEC_E_STRONG_CRYPTO_NOT_SUPPORTED:
+      txt = "SEC_E_STRONG_CRYPTO_NOT_SUPPORTED";
+      break;
+    case SEC_E_TARGET_UNKNOWN:
+      txt = "SEC_E_TARGET_UNKNOWN";
+      break;
+    case SEC_E_TIME_SKEW:
+      txt = "SEC_E_TIME_SKEW";
+      break;
+    case SEC_E_TOO_MANY_PRINCIPALS:
+      txt = "SEC_E_TOO_MANY_PRINCIPALS";
+      break;
+    case SEC_E_UNFINISHED_CONTEXT_DELETED:
+      txt = "SEC_E_UNFINISHED_CONTEXT_DELETED";
+      break;
+    case SEC_E_UNKNOWN_CREDENTIALS:
+      txt = "SEC_E_UNKNOWN_CREDENTIALS";
+      break;
+    case SEC_E_UNSUPPORTED_FUNCTION:
+      txt = "SEC_E_UNSUPPORTED_FUNCTION";
+      break;
+    case SEC_E_UNSUPPORTED_PREAUTH:
+      txt = "SEC_E_UNSUPPORTED_PREAUTH";
+      break;
+    case SEC_E_UNTRUSTED_ROOT:
+      txt = "SEC_E_UNTRUSTED_ROOT";
+      break;
+    case SEC_E_WRONG_CREDENTIAL_HANDLE:
+      txt = "SEC_E_WRONG_CREDENTIAL_HANDLE";
+      break;
+    case SEC_E_WRONG_PRINCIPAL:
+      txt = "SEC_E_WRONG_PRINCIPAL";
+      break;
+    case SEC_I_COMPLETE_AND_CONTINUE:
+      txt = "SEC_I_COMPLETE_AND_CONTINUE";
+      break;
+    case SEC_I_COMPLETE_NEEDED:
+      txt = "SEC_I_COMPLETE_NEEDED";
+      break;
+    case SEC_I_CONTEXT_EXPIRED:
+      txt = "SEC_I_CONTEXT_EXPIRED";
+      break;
+    case SEC_I_CONTINUE_NEEDED:
+      txt = "SEC_I_CONTINUE_NEEDED";
+      break;
+    case SEC_I_INCOMPLETE_CREDENTIALS:
+      txt = "SEC_I_INCOMPLETE_CREDENTIALS";
+      break;
+    case SEC_I_LOCAL_LOGON:
+      txt = "SEC_I_LOCAL_LOGON";
+      break;
+    case SEC_I_NO_LSA_CONTEXT:
+      txt = "SEC_I_NO_LSA_CONTEXT";
+      break;
+    case SEC_I_RENEGOTIATE:
+      txt = "SEC_I_RENEGOTIATE";
+      break;
+    case SEC_I_SIGNATURE_NEEDED:
+      txt = "SEC_I_SIGNATURE_NEEDED";
+      break;
+    default:
+      txt = "Unknown error";
+  }
+
+  if(err == SEC_E_OK)
+    strncpy(outbuf, txt, outmax);
+  else if(err == SEC_E_ILLEGAL_MESSAGE)
+    msnprintf(outbuf, outmax,
+              "SEC_E_ILLEGAL_MESSAGE (0x%08X) - This error usually occurs "
+              "when a fatal SSL/TLS alert is received (e.g. handshake failed)."
+              " More detail may be available in the Windows System event log.",
+              err);
+  else {
+    str = txtbuf;
+    msnprintf(txtbuf, sizeof(txtbuf), "%s (0x%08X)", txt, err);
+    txtbuf[sizeof(txtbuf)-1] = '\0';
+
+#ifdef _WIN32_WCE
+    {
+      wchar_t wbuf[256];
+      wbuf[0] = L'\0';
+
+      if(FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM |
+                       FORMAT_MESSAGE_IGNORE_INSERTS,
+                       NULL, err, LANG_NEUTRAL,
+                       wbuf, sizeof(wbuf)/sizeof(wchar_t), NULL)) {
+        wcstombs(msgbuf, wbuf, sizeof(msgbuf)-1);
+        msg_formatted = TRUE;
+      }
+    }
+#else
+    if(FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM |
+                      FORMAT_MESSAGE_IGNORE_INSERTS,
+                      NULL, err, LANG_NEUTRAL,
+                      msgbuf, sizeof(msgbuf)-1, NULL)) {
+      msg_formatted = TRUE;
+    }
+#endif
+    if(msg_formatted) {
+      msgbuf[sizeof(msgbuf)-1] = '\0';
+      /* strip trailing '\r\n' or '\n' */
+      p = strrchr(msgbuf, '\n');
+      if(p && (p - msgbuf) >= 2)
+        *p = '\0';
+      p = strrchr(msgbuf, '\r');
+      if(p && (p - msgbuf) >= 1)
+        *p = '\0';
+      msg = msgbuf;
+    }
+    if(msg)
+      msnprintf(outbuf, outmax, "%s - %s", str, msg);
+    else
+      strncpy(outbuf, str, outmax);
+  }
+
+#else
+
+  if(err == SEC_E_OK)
+    txt = "No error";
+  else
+    txt = "Error";
+
+  strncpy(outbuf, txt, outmax);
+
+#endif
+
+  outbuf[outmax] = '\0';
+
+  if(errno != old_errno)
+    errno = old_errno;
+
+#ifdef PRESERVE_WINDOWS_ERROR_CODE
+  if(old_win_err != GetLastError())
+    SetLastError(old_win_err);
+#endif
+
+  return outbuf;
+}
+#endif /* USE_WINDOWS_SSPI */
Index: trunk/src/libs/curl-7.64.0/lib/strerror.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/strerror.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/strerror.h	(revision 85671)
@@ -0,0 +1,37 @@
+#ifndef HEADER_CURL_STRERROR_H
+#define HEADER_CURL_STRERROR_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "urldata.h"
+
+const char *Curl_strerror (struct connectdata *conn, int err);
+
+#ifdef USE_LIBIDN2
+const char *Curl_idn_strerror (struct connectdata *conn, int err);
+#endif
+
+#ifdef USE_WINDOWS_SSPI
+const char *Curl_sspi_strerror (struct connectdata *conn, int err);
+#endif
+
+#endif /* HEADER_CURL_STRERROR_H */
Index: trunk/src/libs/curl-7.64.0/lib/strtok.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/strtok.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/strtok.c	(revision 85671)
@@ -0,0 +1,66 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef HAVE_STRTOK_R
+#include <stddef.h>
+
+#include "strtok.h"
+
+char *
+Curl_strtok_r(char *ptr, const char *sep, char **end)
+{
+  if(!ptr)
+    /* we got NULL input so then we get our last position instead */
+    ptr = *end;
+
+  /* pass all letters that are including in the separator string */
+  while(*ptr && strchr(sep, *ptr))
+    ++ptr;
+
+  if(*ptr) {
+    /* so this is where the next piece of string starts */
+    char *start = ptr;
+
+    /* set the end pointer to the first byte after the start */
+    *end = start + 1;
+
+    /* scan through the string to find where it ends, it ends on a
+       null byte or a character that exists in the separator string */
+    while(**end && !strchr(sep, **end))
+      ++*end;
+
+    if(**end) {
+      /* the end is not a null byte */
+      **end = '\0';  /* zero terminate it! */
+      ++*end;        /* advance the last pointer to beyond the null byte */
+    }
+
+    return start; /* return the position where the string starts */
+  }
+
+  /* we ended up on a null byte, there are no more strings to find! */
+  return NULL;
+}
+
+#endif /* this was only compiled if strtok_r wasn't present */
Index: trunk/src/libs/curl-7.64.0/lib/strtok.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/strtok.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/strtok.h	(revision 85671)
@@ -0,0 +1,34 @@
+#ifndef HEADER_CURL_STRTOK_H
+#define HEADER_CURL_STRTOK_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+#include <stddef.h>
+
+#ifndef HAVE_STRTOK_R
+char *Curl_strtok_r(char *s, const char *delim, char **last);
+#define strtok_r Curl_strtok_r
+#else
+#include <string.h>
+#endif
+
+#endif /* HEADER_CURL_STRTOK_H */
Index: trunk/src/libs/curl-7.64.0/lib/strtoofft.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/strtoofft.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/strtoofft.c	(revision 85671)
@@ -0,0 +1,242 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include <errno.h>
+#include "curl_setup.h"
+
+#include "strtoofft.h"
+
+/*
+ * NOTE:
+ *
+ * In the ISO C standard (IEEE Std 1003.1), there is a strtoimax() function we
+ * could use in case strtoll() doesn't exist...  See
+ * https://www.opengroup.org/onlinepubs/009695399/functions/strtoimax.html
+ */
+
+#if (SIZEOF_CURL_OFF_T > SIZEOF_LONG)
+#  ifdef HAVE_STRTOLL
+#    define strtooff strtoll
+#  else
+#    if defined(_MSC_VER) && (_MSC_VER >= 1300) && (_INTEGRAL_MAX_BITS >= 64)
+#      if defined(_SAL_VERSION)
+         _Check_return_ _CRTIMP __int64 __cdecl _strtoi64(
+             _In_z_ const char *_String,
+             _Out_opt_ _Deref_post_z_ char **_EndPtr, _In_ int _Radix);
+#      else
+         _CRTIMP __int64 __cdecl _strtoi64(const char *_String,
+                                           char **_EndPtr, int _Radix);
+#      endif
+#      define strtooff _strtoi64
+#    else
+#      define PRIVATE_STRTOOFF 1
+#    endif
+#  endif
+#else
+#  define strtooff strtol
+#endif
+
+#ifdef PRIVATE_STRTOOFF
+
+/* Range tests can be used for alphanum decoding if characters are consecutive,
+   like in ASCII. Else an array is scanned. Determine this condition now. */
+
+#if('9' - '0') != 9 || ('Z' - 'A') != 25 || ('z' - 'a') != 25
+
+#define NO_RANGE_TEST
+
+static const char valchars[] =
+            "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
+#endif
+
+static int get_char(char c, int base);
+
+/**
+ * Custom version of the strtooff function.  This extracts a curl_off_t
+ * value from the given input string and returns it.
+ */
+static curl_off_t strtooff(const char *nptr, char **endptr, int base)
+{
+  char *end;
+  int is_negative = 0;
+  int overflow;
+  int i;
+  curl_off_t value = 0;
+  curl_off_t newval;
+
+  /* Skip leading whitespace. */
+  end = (char *)nptr;
+  while(ISSPACE(end[0])) {
+    end++;
+  }
+
+  /* Handle the sign, if any. */
+  if(end[0] == '-') {
+    is_negative = 1;
+    end++;
+  }
+  else if(end[0] == '+') {
+    end++;
+  }
+  else if(end[0] == '\0') {
+    /* We had nothing but perhaps some whitespace -- there was no number. */
+    if(endptr) {
+      *endptr = end;
+    }
+    return 0;
+  }
+
+  /* Handle special beginnings, if present and allowed. */
+  if(end[0] == '0' && end[1] == 'x') {
+    if(base == 16 || base == 0) {
+      end += 2;
+      base = 16;
+    }
+  }
+  else if(end[0] == '0') {
+    if(base == 8 || base == 0) {
+      end++;
+      base = 8;
+    }
+  }
+
+  /* Matching strtol, if the base is 0 and it doesn't look like
+   * the number is octal or hex, we assume it's base 10.
+   */
+  if(base == 0) {
+    base = 10;
+  }
+
+  /* Loop handling digits. */
+  value = 0;
+  overflow = 0;
+  for(i = get_char(end[0], base);
+      i != -1;
+      end++, i = get_char(end[0], base)) {
+    newval = base * value + i;
+    if(newval < value) {
+      /* We've overflowed. */
+      overflow = 1;
+      break;
+    }
+    else
+      value = newval;
+  }
+
+  if(!overflow) {
+    if(is_negative) {
+      /* Fix the sign. */
+      value *= -1;
+    }
+  }
+  else {
+    if(is_negative)
+      value = CURL_OFF_T_MIN;
+    else
+      value = CURL_OFF_T_MAX;
+
+    errno = ERANGE;
+  }
+
+  if(endptr)
+    *endptr = end;
+
+  return value;
+}
+
+/**
+ * Returns the value of c in the given base, or -1 if c cannot
+ * be interpreted properly in that base (i.e., is out of range,
+ * is a null, etc.).
+ *
+ * @param c     the character to interpret according to base
+ * @param base  the base in which to interpret c
+ *
+ * @return  the value of c in base, or -1 if c isn't in range
+ */
+static int get_char(char c, int base)
+{
+#ifndef NO_RANGE_TEST
+  int value = -1;
+  if(c <= '9' && c >= '0') {
+    value = c - '0';
+  }
+  else if(c <= 'Z' && c >= 'A') {
+    value = c - 'A' + 10;
+  }
+  else if(c <= 'z' && c >= 'a') {
+    value = c - 'a' + 10;
+  }
+#else
+  const char *cp;
+  int value;
+
+  cp = memchr(valchars, c, 10 + 26 + 26);
+
+  if(!cp)
+    return -1;
+
+  value = cp - valchars;
+
+  if(value >= 10 + 26)
+    value -= 26;                /* Lowercase. */
+#endif
+
+  if(value >= base) {
+    value = -1;
+  }
+
+  return value;
+}
+#endif  /* Only present if we need strtoll, but don't have it. */
+
+/*
+ * Parse a *positive* up to 64 bit number written in ascii.
+ */
+CURLofft curlx_strtoofft(const char *str, char **endp, int base,
+                         curl_off_t *num)
+{
+  char *end;
+  curl_off_t number;
+  errno = 0;
+  *num = 0; /* clear by default */
+
+  while(*str && ISSPACE(*str))
+    str++;
+  if('-' == *str) {
+    if(endp)
+      *endp = (char *)str; /* didn't actually move */
+    return CURL_OFFT_INVAL; /* nothing parsed */
+  }
+  number = strtooff(str, &end, base);
+  if(endp)
+    *endp = end;
+  if(errno == ERANGE)
+    /* overflow/underflow */
+    return CURL_OFFT_FLOW;
+  else if(str == end)
+    /* nothing parsed */
+    return CURL_OFFT_INVAL;
+
+  *num = number;
+  return CURL_OFFT_OK;
+}
Index: trunk/src/libs/curl-7.64.0/lib/strtoofft.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/strtoofft.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/strtoofft.h	(revision 85671)
@@ -0,0 +1,52 @@
+#ifndef HEADER_CURL_STRTOOFFT_H
+#define HEADER_CURL_STRTOOFFT_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+/*
+ * Determine which string to integral data type conversion function we use
+ * to implement string conversion to our curl_off_t integral data type.
+ *
+ * Notice that curl_off_t might be 64 or 32 bit wide, and that it might use
+ * an underlying data type which might be 'long', 'int64_t', 'long long' or
+ * '__int64' and more remotely other data types.
+ *
+ * On systems where the size of curl_off_t is greater than the size of 'long'
+ * the conversion function to use is strtoll() if it is available, otherwise,
+ * we emulate its functionality with our own clone.
+ *
+ * On systems where the size of curl_off_t is smaller or equal than the size
+ * of 'long' the conversion function to use is strtol().
+ */
+
+typedef enum {
+  CURL_OFFT_OK,    /* parsed fine */
+  CURL_OFFT_FLOW,  /* over or underflow */
+  CURL_OFFT_INVAL  /* nothing was parsed */
+} CURLofft;
+
+CURLofft curlx_strtoofft(const char *str, char **endp, int base,
+                         curl_off_t *num);
+
+#endif /* HEADER_CURL_STRTOOFFT_H */
Index: trunk/src/libs/curl-7.64.0/lib/system_win32.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/system_win32.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/system_win32.c	(revision 85671)
@@ -0,0 +1,334 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2016 - 2017, Steve Holme, <steve_holme@hotmail.com>.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(WIN32)
+
+#include <curl/curl.h>
+#include "system_win32.h"
+#include "warnless.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#if defined(USE_WINDOWS_SSPI) || (!defined(CURL_DISABLE_TELNET) && \
+                                  defined(USE_WINSOCK))
+
+
+#if !defined(LOAD_WITH_ALTERED_SEARCH_PATH)
+#define LOAD_WITH_ALTERED_SEARCH_PATH  0x00000008
+#endif
+
+#if !defined(LOAD_LIBRARY_SEARCH_SYSTEM32)
+#define LOAD_LIBRARY_SEARCH_SYSTEM32   0x00000800
+#endif
+
+/* We use our own typedef here since some headers might lack these */
+typedef HMODULE (APIENTRY *LOADLIBRARYEX_FN)(LPCTSTR, HANDLE, DWORD);
+
+/* See function definitions in winbase.h */
+#ifdef UNICODE
+#  ifdef _WIN32_WCE
+#    define LOADLIBARYEX  L"LoadLibraryExW"
+#  else
+#    define LOADLIBARYEX  "LoadLibraryExW"
+#  endif
+#else
+#  define LOADLIBARYEX    "LoadLibraryExA"
+#endif
+
+#endif /* USE_WINDOWS_SSPI || (!CURL_DISABLE_TELNET && USE_WINSOCK) */
+
+/*
+ * Curl_verify_windows_version()
+ *
+ * This is used to verify if we are running on a specific windows version.
+ *
+ * Parameters:
+ *
+ * majorVersion [in] - The major version number.
+ * minorVersion [in] - The minor version number.
+ * platform     [in] - The optional platform identifier.
+ * condition    [in] - The test condition used to specifier whether we are
+ *                     checking a version less then, equal to or greater than
+ *                     what is specified in the major and minor version
+ *                     numbers.
+ *
+ * Returns TRUE if matched; otherwise FALSE.
+ */
+bool Curl_verify_windows_version(const unsigned int majorVersion,
+                                 const unsigned int minorVersion,
+                                 const PlatformIdentifier platform,
+                                 const VersionCondition condition)
+{
+  bool matched = FALSE;
+
+#if defined(CURL_WINDOWS_APP)
+  /* We have no way to determine the Windows version from Windows apps,
+     so let's assume we're running on the target Windows version. */
+  const WORD fullVersion = MAKEWORD(minorVersion, majorVersion);
+  const WORD targetVersion = (WORD)_WIN32_WINNT;
+
+  switch(condition) {
+  case VERSION_LESS_THAN:
+    matched = targetVersion < fullVersion;
+    break;
+
+  case VERSION_LESS_THAN_EQUAL:
+    matched = targetVersion <= fullVersion;
+    break;
+
+  case VERSION_EQUAL:
+    matched = targetVersion == fullVersion;
+    break;
+
+  case VERSION_GREATER_THAN_EQUAL:
+    matched = targetVersion >= fullVersion;
+    break;
+
+  case VERSION_GREATER_THAN:
+    matched = targetVersion > fullVersion;
+    break;
+  }
+
+  if(matched && (platform == PLATFORM_WINDOWS)) {
+    /* we're always running on PLATFORM_WINNT */
+    matched = FALSE;
+  }
+#elif !defined(_WIN32_WINNT) || !defined(_WIN32_WINNT_WIN2K) || \
+    (_WIN32_WINNT < _WIN32_WINNT_WIN2K)
+  OSVERSIONINFO osver;
+
+  memset(&osver, 0, sizeof(osver));
+  osver.dwOSVersionInfoSize = sizeof(osver);
+
+  /* Find out Windows version */
+  if(GetVersionEx(&osver)) {
+    /* Verify the Operating System version number */
+    switch(condition) {
+    case VERSION_LESS_THAN:
+      if(osver.dwMajorVersion < majorVersion ||
+        (osver.dwMajorVersion == majorVersion &&
+         osver.dwMinorVersion < minorVersion))
+        matched = TRUE;
+      break;
+
+    case VERSION_LESS_THAN_EQUAL:
+      if(osver.dwMajorVersion < majorVersion ||
+        (osver.dwMajorVersion == majorVersion &&
+         osver.dwMinorVersion <= minorVersion))
+        matched = TRUE;
+      break;
+
+    case VERSION_EQUAL:
+      if(osver.dwMajorVersion == majorVersion &&
+         osver.dwMinorVersion == minorVersion)
+        matched = TRUE;
+      break;
+
+    case VERSION_GREATER_THAN_EQUAL:
+      if(osver.dwMajorVersion > majorVersion ||
+        (osver.dwMajorVersion == majorVersion &&
+         osver.dwMinorVersion >= minorVersion))
+        matched = TRUE;
+      break;
+
+    case VERSION_GREATER_THAN:
+      if(osver.dwMajorVersion > majorVersion ||
+        (osver.dwMajorVersion == majorVersion &&
+         osver.dwMinorVersion > minorVersion))
+        matched = TRUE;
+      break;
+    }
+
+    /* Verify the platform identifier (if necessary) */
+    if(matched) {
+      switch(platform) {
+      case PLATFORM_WINDOWS:
+        if(osver.dwPlatformId != VER_PLATFORM_WIN32_WINDOWS)
+          matched = FALSE;
+        break;
+
+      case PLATFORM_WINNT:
+        if(osver.dwPlatformId != VER_PLATFORM_WIN32_NT)
+          matched = FALSE;
+
+      default: /* like platform == PLATFORM_DONT_CARE */
+        break;
+      }
+    }
+  }
+#else
+  ULONGLONG cm = 0;
+  OSVERSIONINFOEX osver;
+  BYTE majorCondition;
+  BYTE minorCondition;
+  BYTE spMajorCondition;
+  BYTE spMinorCondition;
+
+  switch(condition) {
+  case VERSION_LESS_THAN:
+    majorCondition = VER_LESS;
+    minorCondition = VER_LESS;
+    spMajorCondition = VER_LESS_EQUAL;
+    spMinorCondition = VER_LESS_EQUAL;
+    break;
+
+  case VERSION_LESS_THAN_EQUAL:
+    majorCondition = VER_LESS_EQUAL;
+    minorCondition = VER_LESS_EQUAL;
+    spMajorCondition = VER_LESS_EQUAL;
+    spMinorCondition = VER_LESS_EQUAL;
+    break;
+
+  case VERSION_EQUAL:
+    majorCondition = VER_EQUAL;
+    minorCondition = VER_EQUAL;
+    spMajorCondition = VER_GREATER_EQUAL;
+    spMinorCondition = VER_GREATER_EQUAL;
+    break;
+
+  case VERSION_GREATER_THAN_EQUAL:
+    majorCondition = VER_GREATER_EQUAL;
+    minorCondition = VER_GREATER_EQUAL;
+    spMajorCondition = VER_GREATER_EQUAL;
+    spMinorCondition = VER_GREATER_EQUAL;
+    break;
+
+  case VERSION_GREATER_THAN:
+    majorCondition = VER_GREATER;
+    minorCondition = VER_GREATER;
+    spMajorCondition = VER_GREATER_EQUAL;
+    spMinorCondition = VER_GREATER_EQUAL;
+    break;
+
+  default:
+    return FALSE;
+  }
+
+  memset(&osver, 0, sizeof(osver));
+  osver.dwOSVersionInfoSize = sizeof(osver);
+  osver.dwMajorVersion = majorVersion;
+  osver.dwMinorVersion = minorVersion;
+  if(platform == PLATFORM_WINDOWS)
+    osver.dwPlatformId = VER_PLATFORM_WIN32_WINDOWS;
+  else if(platform == PLATFORM_WINNT)
+    osver.dwPlatformId = VER_PLATFORM_WIN32_NT;
+
+  cm = VerSetConditionMask(cm, VER_MAJORVERSION, majorCondition);
+  cm = VerSetConditionMask(cm, VER_MINORVERSION, minorCondition);
+  cm = VerSetConditionMask(cm, VER_SERVICEPACKMAJOR, spMajorCondition);
+  cm = VerSetConditionMask(cm, VER_SERVICEPACKMINOR, spMinorCondition);
+  if(platform != PLATFORM_DONT_CARE)
+    cm = VerSetConditionMask(cm, VER_PLATFORMID, VER_EQUAL);
+
+  if(VerifyVersionInfo(&osver, (VER_MAJORVERSION | VER_MINORVERSION |
+                                VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR),
+                       cm))
+    matched = TRUE;
+#endif
+
+  return matched;
+}
+
+#if defined(USE_WINDOWS_SSPI) || (!defined(CURL_DISABLE_TELNET) && \
+                                  defined(USE_WINSOCK))
+
+/*
+ * Curl_load_library()
+ *
+ * This is used to dynamically load DLLs using the most secure method available
+ * for the version of Windows that we are running on.
+ *
+ * Parameters:
+ *
+ * filename  [in] - The filename or full path of the DLL to load. If only the
+ *                  filename is passed then the DLL will be loaded from the
+ *                  Windows system directory.
+ *
+ * Returns the handle of the module on success; otherwise NULL.
+ */
+HMODULE Curl_load_library(LPCTSTR filename)
+{
+  HMODULE hModule = NULL;
+  LOADLIBRARYEX_FN pLoadLibraryEx = NULL;
+
+  /* Get a handle to kernel32 so we can access it's functions at runtime */
+  HMODULE hKernel32 = GetModuleHandle(TEXT("kernel32"));
+  if(!hKernel32)
+    return NULL;
+
+  /* Attempt to find LoadLibraryEx() which is only available on Windows 2000
+     and above */
+  pLoadLibraryEx =
+    CURLX_FUNCTION_CAST(LOADLIBRARYEX_FN,
+                        (GetProcAddress(hKernel32, LOADLIBARYEX)));
+
+  /* Detect if there's already a path in the filename and load the library if
+     there is. Note: Both back slashes and forward slashes have been supported
+     since the earlier days of DOS at an API level although they are not
+     supported by command prompt */
+  if(_tcspbrk(filename, TEXT("\\/"))) {
+    /** !checksrc! disable BANNEDFUNC 1 **/
+    hModule = pLoadLibraryEx ?
+      pLoadLibraryEx(filename, NULL, LOAD_WITH_ALTERED_SEARCH_PATH) :
+      LoadLibrary(filename);
+  }
+  /* Detect if KB2533623 is installed, as LOAD_LIBARY_SEARCH_SYSTEM32 is only
+     supported on Windows Vista, Windows Server 2008, Windows 7 and Windows
+     Server 2008 R2 with this patch or natively on Windows 8 and above */
+  else if(pLoadLibraryEx && GetProcAddress(hKernel32, "AddDllDirectory")) {
+    /* Load the DLL from the Windows system directory */
+    hModule = pLoadLibraryEx(filename, NULL, LOAD_LIBRARY_SEARCH_SYSTEM32);
+  }
+  else {
+    /* Attempt to get the Windows system path */
+    UINT systemdirlen = GetSystemDirectory(NULL, 0);
+    if(systemdirlen) {
+      /* Allocate space for the full DLL path (Room for the null terminator
+         is included in systemdirlen) */
+      size_t filenamelen = _tcslen(filename);
+      TCHAR *path = malloc(sizeof(TCHAR) * (systemdirlen + 1 + filenamelen));
+      if(path && GetSystemDirectory(path, systemdirlen)) {
+        /* Calculate the full DLL path */
+        _tcscpy(path + _tcslen(path), TEXT("\\"));
+        _tcscpy(path + _tcslen(path), filename);
+
+        /* Load the DLL from the Windows system directory */
+        /** !checksrc! disable BANNEDFUNC 1 **/
+        hModule = pLoadLibraryEx ?
+          pLoadLibraryEx(path, NULL, LOAD_WITH_ALTERED_SEARCH_PATH) :
+          LoadLibrary(path);
+
+      }
+      free(path);
+    }
+  }
+
+  return hModule;
+}
+
+#endif /* USE_WINDOWS_SSPI || (!CURL_DISABLE_TELNET && USE_WINSOCK) */
+
+#endif /* WIN32 */
Index: trunk/src/libs/curl-7.64.0/lib/system_win32.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/system_win32.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/system_win32.h	(revision 85671)
@@ -0,0 +1,61 @@
+#ifndef HEADER_CURL_SYSTEM_WIN32_H
+#define HEADER_CURL_SYSTEM_WIN32_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2016, Steve Holme, <steve_holme@hotmail.com>.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(WIN32)
+
+/* Version condition */
+typedef enum {
+  VERSION_LESS_THAN,
+  VERSION_LESS_THAN_EQUAL,
+  VERSION_EQUAL,
+  VERSION_GREATER_THAN_EQUAL,
+  VERSION_GREATER_THAN
+} VersionCondition;
+
+/* Platform identifier */
+typedef enum {
+  PLATFORM_DONT_CARE,
+  PLATFORM_WINDOWS,
+  PLATFORM_WINNT
+} PlatformIdentifier;
+
+/* This is used to verify if we are running on a specific windows version */
+bool Curl_verify_windows_version(const unsigned int majorVersion,
+                                 const unsigned int minorVersion,
+                                 const PlatformIdentifier platform,
+                                 const VersionCondition condition);
+
+#if defined(USE_WINDOWS_SSPI) || (!defined(CURL_DISABLE_TELNET) && \
+                                  defined(USE_WINSOCK))
+
+/* This is used to dynamically load DLLs */
+HMODULE Curl_load_library(LPCTSTR filename);
+
+#endif /* USE_WINDOWS_SSPI || (!CURL_DISABLE_TELNET && USE_WINSOCK) */
+
+#endif /* WIN32 */
+
+#endif /* HEADER_CURL_SYSTEM_WIN32_H */
Index: trunk/src/libs/curl-7.64.0/lib/telnet.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/telnet.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/telnet.c	(revision 85671)
@@ -0,0 +1,1699 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_TELNET
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_NET_IF_H
+#include <net/if.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+#include "urldata.h"
+#include <curl/curl.h>
+#include "transfer.h"
+#include "sendf.h"
+#include "telnet.h"
+#include "connect.h"
+#include "progress.h"
+#include "system_win32.h"
+#include "arpa_telnet.h"
+#include "select.h"
+#include "strcase.h"
+#include "warnless.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#define SUBBUFSIZE 512
+
+#define CURL_SB_CLEAR(x)  x->subpointer = x->subbuffer
+#define CURL_SB_TERM(x)                                 \
+  do {                                                  \
+    x->subend = x->subpointer;                          \
+    CURL_SB_CLEAR(x);                                   \
+  } WHILE_FALSE
+#define CURL_SB_ACCUM(x,c)                                      \
+  do {                                                          \
+    if(x->subpointer < (x->subbuffer + sizeof(x->subbuffer)))   \
+      *x->subpointer++ = (c);                                   \
+  } WHILE_FALSE
+
+#define  CURL_SB_GET(x) ((*x->subpointer++)&0xff)
+#define  CURL_SB_LEN(x) (x->subend - x->subpointer)
+
+/* For posterity:
+#define  CURL_SB_PEEK(x) ((*x->subpointer)&0xff)
+#define  CURL_SB_EOF(x) (x->subpointer >= x->subend) */
+
+#ifdef CURL_DISABLE_VERBOSE_STRINGS
+#define printoption(a,b,c,d)  Curl_nop_stmt
+#endif
+
+#ifdef USE_WINSOCK
+typedef WSAEVENT (WINAPI *WSOCK2_EVENT)(void);
+typedef FARPROC WSOCK2_FUNC;
+static CURLcode check_wsock2(struct Curl_easy *data);
+#endif
+
+static
+CURLcode telrcv(struct connectdata *,
+                const unsigned char *inbuf, /* Data received from socket */
+                ssize_t count);             /* Number of bytes received */
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+static void printoption(struct Curl_easy *data,
+                        const char *direction,
+                        int cmd, int option);
+#endif
+
+static void negotiate(struct connectdata *);
+static void send_negotiation(struct connectdata *, int cmd, int option);
+static void set_local_option(struct connectdata *conn,
+                             int option, int newstate);
+static void set_remote_option(struct connectdata *conn,
+                              int option, int newstate);
+
+static void printsub(struct Curl_easy *data,
+                     int direction, unsigned char *pointer,
+                     size_t length);
+static void suboption(struct connectdata *);
+static void sendsuboption(struct connectdata *conn, int option);
+
+static CURLcode telnet_do(struct connectdata *conn, bool *done);
+static CURLcode telnet_done(struct connectdata *conn,
+                                 CURLcode, bool premature);
+static CURLcode send_telnet_data(struct connectdata *conn,
+                                 char *buffer, ssize_t nread);
+
+/* For negotiation compliant to RFC 1143 */
+#define CURL_NO          0
+#define CURL_YES         1
+#define CURL_WANTYES     2
+#define CURL_WANTNO      3
+
+#define CURL_EMPTY       0
+#define CURL_OPPOSITE    1
+
+/*
+ * Telnet receiver states for fsm
+ */
+typedef enum
+{
+   CURL_TS_DATA = 0,
+   CURL_TS_IAC,
+   CURL_TS_WILL,
+   CURL_TS_WONT,
+   CURL_TS_DO,
+   CURL_TS_DONT,
+   CURL_TS_CR,
+   CURL_TS_SB,   /* sub-option collection */
+   CURL_TS_SE   /* looking for sub-option end */
+} TelnetReceive;
+
+struct TELNET {
+  int please_negotiate;
+  int already_negotiated;
+  int us[256];
+  int usq[256];
+  int us_preferred[256];
+  int him[256];
+  int himq[256];
+  int him_preferred[256];
+  int subnegotiation[256];
+  char subopt_ttype[32];             /* Set with suboption TTYPE */
+  char subopt_xdisploc[128];         /* Set with suboption XDISPLOC */
+  unsigned short subopt_wsx;         /* Set with suboption NAWS */
+  unsigned short subopt_wsy;         /* Set with suboption NAWS */
+  struct curl_slist *telnet_vars;    /* Environment variables */
+
+  /* suboptions */
+  unsigned char subbuffer[SUBBUFSIZE];
+  unsigned char *subpointer, *subend;      /* buffer for sub-options */
+
+  TelnetReceive telrcv_state;
+};
+
+
+/*
+ * TELNET protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_telnet = {
+  "TELNET",                             /* scheme */
+  ZERO_NULL,                            /* setup_connection */
+  telnet_do,                            /* do_it */
+  telnet_done,                          /* done */
+  ZERO_NULL,                            /* do_more */
+  ZERO_NULL,                            /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  ZERO_NULL,                            /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_TELNET,                          /* defport */
+  CURLPROTO_TELNET,                     /* protocol */
+  PROTOPT_NONE | PROTOPT_NOURLQUERY     /* flags */
+};
+
+
+#ifdef USE_WINSOCK
+static CURLcode
+check_wsock2(struct Curl_easy *data)
+{
+  int err;
+  WORD wVersionRequested;
+  WSADATA wsaData;
+
+  DEBUGASSERT(data);
+
+  /* telnet requires at least WinSock 2.0 so ask for it. */
+  wVersionRequested = MAKEWORD(2, 0);
+
+  err = WSAStartup(wVersionRequested, &wsaData);
+
+  /* We must've called this once already, so this call */
+  /* should always succeed.  But, just in case... */
+  if(err != 0) {
+    failf(data,"WSAStartup failed (%d)",err);
+    return CURLE_FAILED_INIT;
+  }
+
+  /* We have to have a WSACleanup call for every successful */
+  /* WSAStartup call. */
+  WSACleanup();
+
+  /* Check that our version is supported */
+  if(LOBYTE(wsaData.wVersion) != LOBYTE(wVersionRequested) ||
+      HIBYTE(wsaData.wVersion) != HIBYTE(wVersionRequested)) {
+      /* Our version isn't supported */
+    failf(data, "insufficient winsock version to support "
+          "telnet");
+    return CURLE_FAILED_INIT;
+  }
+
+  /* Our version is supported */
+  return CURLE_OK;
+}
+#endif
+
+static
+CURLcode init_telnet(struct connectdata *conn)
+{
+  struct TELNET *tn;
+
+  tn = calloc(1, sizeof(struct TELNET));
+  if(!tn)
+    return CURLE_OUT_OF_MEMORY;
+
+  conn->data->req.protop = tn; /* make us known */
+
+  tn->telrcv_state = CURL_TS_DATA;
+
+  /* Init suboptions */
+  CURL_SB_CLEAR(tn);
+
+  /* Set the options we want by default */
+  tn->us_preferred[CURL_TELOPT_SGA] = CURL_YES;
+  tn->him_preferred[CURL_TELOPT_SGA] = CURL_YES;
+
+  /* To be compliant with previous releases of libcurl
+     we enable this option by default. This behaviour
+         can be changed thanks to the "BINARY" option in
+         CURLOPT_TELNETOPTIONS
+  */
+  tn->us_preferred[CURL_TELOPT_BINARY] = CURL_YES;
+  tn->him_preferred[CURL_TELOPT_BINARY] = CURL_YES;
+
+  /* We must allow the server to echo what we sent
+         but it is not necessary to request the server
+         to do so (it might forces the server to close
+         the connection). Hence, we ignore ECHO in the
+         negotiate function
+  */
+  tn->him_preferred[CURL_TELOPT_ECHO] = CURL_YES;
+
+  /* Set the subnegotiation fields to send information
+    just after negotiation passed (do/will)
+
+     Default values are (0,0) initialized by calloc.
+     According to the RFC1013 it is valid:
+     A value equal to zero is acceptable for the width (or height),
+         and means that no character width (or height) is being sent.
+         In this case, the width (or height) that will be assumed by the
+         Telnet server is operating system specific (it will probably be
+         based upon the terminal type information that may have been sent
+         using the TERMINAL TYPE Telnet option). */
+  tn->subnegotiation[CURL_TELOPT_NAWS] = CURL_YES;
+  return CURLE_OK;
+}
+
+static void negotiate(struct connectdata *conn)
+{
+  int i;
+  struct TELNET *tn = (struct TELNET *) conn->data->req.protop;
+
+  for(i = 0; i < CURL_NTELOPTS; i++) {
+    if(i == CURL_TELOPT_ECHO)
+      continue;
+
+    if(tn->us_preferred[i] == CURL_YES)
+      set_local_option(conn, i, CURL_YES);
+
+    if(tn->him_preferred[i] == CURL_YES)
+      set_remote_option(conn, i, CURL_YES);
+  }
+}
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+static void printoption(struct Curl_easy *data,
+                        const char *direction, int cmd, int option)
+{
+  if(data->set.verbose) {
+    if(cmd == CURL_IAC) {
+      if(CURL_TELCMD_OK(option))
+        infof(data, "%s IAC %s\n", direction, CURL_TELCMD(option));
+      else
+        infof(data, "%s IAC %d\n", direction, option);
+    }
+    else {
+      const char *fmt = (cmd == CURL_WILL) ? "WILL" :
+                        (cmd == CURL_WONT) ? "WONT" :
+                        (cmd == CURL_DO) ? "DO" :
+                        (cmd == CURL_DONT) ? "DONT" : 0;
+      if(fmt) {
+        const char *opt;
+        if(CURL_TELOPT_OK(option))
+          opt = CURL_TELOPT(option);
+        else if(option == CURL_TELOPT_EXOPL)
+          opt = "EXOPL";
+        else
+          opt = NULL;
+
+        if(opt)
+          infof(data, "%s %s %s\n", direction, fmt, opt);
+        else
+          infof(data, "%s %s %d\n", direction, fmt, option);
+      }
+      else
+        infof(data, "%s %d %d\n", direction, cmd, option);
+    }
+  }
+}
+#endif
+
+static void send_negotiation(struct connectdata *conn, int cmd, int option)
+{
+   unsigned char buf[3];
+   ssize_t bytes_written;
+   struct Curl_easy *data = conn->data;
+
+   buf[0] = CURL_IAC;
+   buf[1] = (unsigned char)cmd;
+   buf[2] = (unsigned char)option;
+
+   bytes_written = swrite(conn->sock[FIRSTSOCKET], buf, 3);
+   if(bytes_written < 0) {
+     int err = SOCKERRNO;
+     failf(data,"Sending data failed (%d)",err);
+   }
+
+   printoption(conn->data, "SENT", cmd, option);
+}
+
+static
+void set_remote_option(struct connectdata *conn, int option, int newstate)
+{
+  struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
+  if(newstate == CURL_YES) {
+    switch(tn->him[option]) {
+    case CURL_NO:
+      tn->him[option] = CURL_WANTYES;
+      send_negotiation(conn, CURL_DO, option);
+      break;
+
+    case CURL_YES:
+      /* Already enabled */
+      break;
+
+    case CURL_WANTNO:
+      switch(tn->himq[option]) {
+      case CURL_EMPTY:
+        /* Already negotiating for CURL_YES, queue the request */
+        tn->himq[option] = CURL_OPPOSITE;
+        break;
+      case CURL_OPPOSITE:
+        /* Error: already queued an enable request */
+        break;
+      }
+      break;
+
+    case CURL_WANTYES:
+      switch(tn->himq[option]) {
+      case CURL_EMPTY:
+        /* Error: already negotiating for enable */
+        break;
+      case CURL_OPPOSITE:
+        tn->himq[option] = CURL_EMPTY;
+        break;
+      }
+      break;
+    }
+  }
+  else { /* NO */
+    switch(tn->him[option]) {
+    case CURL_NO:
+      /* Already disabled */
+      break;
+
+    case CURL_YES:
+      tn->him[option] = CURL_WANTNO;
+      send_negotiation(conn, CURL_DONT, option);
+      break;
+
+    case CURL_WANTNO:
+      switch(tn->himq[option]) {
+      case CURL_EMPTY:
+        /* Already negotiating for NO */
+        break;
+      case CURL_OPPOSITE:
+        tn->himq[option] = CURL_EMPTY;
+        break;
+      }
+      break;
+
+    case CURL_WANTYES:
+      switch(tn->himq[option]) {
+      case CURL_EMPTY:
+        tn->himq[option] = CURL_OPPOSITE;
+        break;
+      case CURL_OPPOSITE:
+        break;
+      }
+      break;
+    }
+  }
+}
+
+static
+void rec_will(struct connectdata *conn, int option)
+{
+  struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
+  switch(tn->him[option]) {
+  case CURL_NO:
+    if(tn->him_preferred[option] == CURL_YES) {
+      tn->him[option] = CURL_YES;
+      send_negotiation(conn, CURL_DO, option);
+    }
+    else
+      send_negotiation(conn, CURL_DONT, option);
+
+    break;
+
+  case CURL_YES:
+    /* Already enabled */
+    break;
+
+  case CURL_WANTNO:
+    switch(tn->himq[option]) {
+    case CURL_EMPTY:
+      /* Error: DONT answered by WILL */
+      tn->him[option] = CURL_NO;
+      break;
+    case CURL_OPPOSITE:
+      /* Error: DONT answered by WILL */
+      tn->him[option] = CURL_YES;
+      tn->himq[option] = CURL_EMPTY;
+      break;
+    }
+    break;
+
+  case CURL_WANTYES:
+    switch(tn->himq[option]) {
+    case CURL_EMPTY:
+      tn->him[option] = CURL_YES;
+      break;
+    case CURL_OPPOSITE:
+      tn->him[option] = CURL_WANTNO;
+      tn->himq[option] = CURL_EMPTY;
+      send_negotiation(conn, CURL_DONT, option);
+      break;
+    }
+    break;
+  }
+}
+
+static
+void rec_wont(struct connectdata *conn, int option)
+{
+  struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
+  switch(tn->him[option]) {
+  case CURL_NO:
+    /* Already disabled */
+    break;
+
+  case CURL_YES:
+    tn->him[option] = CURL_NO;
+    send_negotiation(conn, CURL_DONT, option);
+    break;
+
+  case CURL_WANTNO:
+    switch(tn->himq[option]) {
+    case CURL_EMPTY:
+      tn->him[option] = CURL_NO;
+      break;
+
+    case CURL_OPPOSITE:
+      tn->him[option] = CURL_WANTYES;
+      tn->himq[option] = CURL_EMPTY;
+      send_negotiation(conn, CURL_DO, option);
+      break;
+    }
+    break;
+
+  case CURL_WANTYES:
+    switch(tn->himq[option]) {
+    case CURL_EMPTY:
+      tn->him[option] = CURL_NO;
+      break;
+    case CURL_OPPOSITE:
+      tn->him[option] = CURL_NO;
+      tn->himq[option] = CURL_EMPTY;
+      break;
+    }
+    break;
+  }
+}
+
+static void
+set_local_option(struct connectdata *conn, int option, int newstate)
+{
+  struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
+  if(newstate == CURL_YES) {
+    switch(tn->us[option]) {
+    case CURL_NO:
+      tn->us[option] = CURL_WANTYES;
+      send_negotiation(conn, CURL_WILL, option);
+      break;
+
+    case CURL_YES:
+      /* Already enabled */
+      break;
+
+    case CURL_WANTNO:
+      switch(tn->usq[option]) {
+      case CURL_EMPTY:
+        /* Already negotiating for CURL_YES, queue the request */
+        tn->usq[option] = CURL_OPPOSITE;
+        break;
+      case CURL_OPPOSITE:
+        /* Error: already queued an enable request */
+        break;
+      }
+      break;
+
+    case CURL_WANTYES:
+      switch(tn->usq[option]) {
+      case CURL_EMPTY:
+        /* Error: already negotiating for enable */
+        break;
+      case CURL_OPPOSITE:
+        tn->usq[option] = CURL_EMPTY;
+        break;
+      }
+      break;
+    }
+  }
+  else { /* NO */
+    switch(tn->us[option]) {
+    case CURL_NO:
+      /* Already disabled */
+      break;
+
+    case CURL_YES:
+      tn->us[option] = CURL_WANTNO;
+      send_negotiation(conn, CURL_WONT, option);
+      break;
+
+    case CURL_WANTNO:
+      switch(tn->usq[option]) {
+      case CURL_EMPTY:
+        /* Already negotiating for NO */
+        break;
+      case CURL_OPPOSITE:
+        tn->usq[option] = CURL_EMPTY;
+        break;
+      }
+      break;
+
+    case CURL_WANTYES:
+      switch(tn->usq[option]) {
+      case CURL_EMPTY:
+        tn->usq[option] = CURL_OPPOSITE;
+        break;
+      case CURL_OPPOSITE:
+        break;
+      }
+      break;
+    }
+  }
+}
+
+static
+void rec_do(struct connectdata *conn, int option)
+{
+  struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
+  switch(tn->us[option]) {
+  case CURL_NO:
+    if(tn->us_preferred[option] == CURL_YES) {
+      tn->us[option] = CURL_YES;
+      send_negotiation(conn, CURL_WILL, option);
+      if(tn->subnegotiation[option] == CURL_YES)
+        /* transmission of data option */
+        sendsuboption(conn, option);
+    }
+    else if(tn->subnegotiation[option] == CURL_YES) {
+      /* send information to achieve this option*/
+      tn->us[option] = CURL_YES;
+      send_negotiation(conn, CURL_WILL, option);
+      sendsuboption(conn, option);
+    }
+    else
+      send_negotiation(conn, CURL_WONT, option);
+    break;
+
+  case CURL_YES:
+    /* Already enabled */
+    break;
+
+  case CURL_WANTNO:
+    switch(tn->usq[option]) {
+    case CURL_EMPTY:
+      /* Error: DONT answered by WILL */
+      tn->us[option] = CURL_NO;
+      break;
+    case CURL_OPPOSITE:
+      /* Error: DONT answered by WILL */
+      tn->us[option] = CURL_YES;
+      tn->usq[option] = CURL_EMPTY;
+      break;
+    }
+    break;
+
+  case CURL_WANTYES:
+    switch(tn->usq[option]) {
+    case CURL_EMPTY:
+      tn->us[option] = CURL_YES;
+      if(tn->subnegotiation[option] == CURL_YES) {
+        /* transmission of data option */
+        sendsuboption(conn, option);
+      }
+      break;
+    case CURL_OPPOSITE:
+      tn->us[option] = CURL_WANTNO;
+      tn->himq[option] = CURL_EMPTY;
+      send_negotiation(conn, CURL_WONT, option);
+      break;
+    }
+    break;
+  }
+}
+
+static
+void rec_dont(struct connectdata *conn, int option)
+{
+  struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
+  switch(tn->us[option]) {
+  case CURL_NO:
+    /* Already disabled */
+    break;
+
+  case CURL_YES:
+    tn->us[option] = CURL_NO;
+    send_negotiation(conn, CURL_WONT, option);
+    break;
+
+  case CURL_WANTNO:
+    switch(tn->usq[option]) {
+    case CURL_EMPTY:
+      tn->us[option] = CURL_NO;
+      break;
+
+    case CURL_OPPOSITE:
+      tn->us[option] = CURL_WANTYES;
+      tn->usq[option] = CURL_EMPTY;
+      send_negotiation(conn, CURL_WILL, option);
+      break;
+    }
+    break;
+
+  case CURL_WANTYES:
+    switch(tn->usq[option]) {
+    case CURL_EMPTY:
+      tn->us[option] = CURL_NO;
+      break;
+    case CURL_OPPOSITE:
+      tn->us[option] = CURL_NO;
+      tn->usq[option] = CURL_EMPTY;
+      break;
+    }
+    break;
+  }
+}
+
+
+static void printsub(struct Curl_easy *data,
+                     int direction,             /* '<' or '>' */
+                     unsigned char *pointer,    /* where suboption data is */
+                     size_t length)             /* length of suboption data */
+{
+  if(data->set.verbose) {
+    unsigned int i = 0;
+    if(direction) {
+      infof(data, "%s IAC SB ", (direction == '<')? "RCVD":"SENT");
+      if(length >= 3) {
+        int j;
+
+        i = pointer[length-2];
+        j = pointer[length-1];
+
+        if(i != CURL_IAC || j != CURL_SE) {
+          infof(data, "(terminated by ");
+          if(CURL_TELOPT_OK(i))
+            infof(data, "%s ", CURL_TELOPT(i));
+          else if(CURL_TELCMD_OK(i))
+            infof(data, "%s ", CURL_TELCMD(i));
+          else
+            infof(data, "%u ", i);
+          if(CURL_TELOPT_OK(j))
+            infof(data, "%s", CURL_TELOPT(j));
+          else if(CURL_TELCMD_OK(j))
+            infof(data, "%s", CURL_TELCMD(j));
+          else
+            infof(data, "%d", j);
+          infof(data, ", not IAC SE!) ");
+        }
+      }
+      length -= 2;
+    }
+    if(length < 1) {
+      infof(data, "(Empty suboption?)");
+      return;
+    }
+
+    if(CURL_TELOPT_OK(pointer[0])) {
+      switch(pointer[0]) {
+      case CURL_TELOPT_TTYPE:
+      case CURL_TELOPT_XDISPLOC:
+      case CURL_TELOPT_NEW_ENVIRON:
+      case CURL_TELOPT_NAWS:
+        infof(data, "%s", CURL_TELOPT(pointer[0]));
+        break;
+      default:
+        infof(data, "%s (unsupported)", CURL_TELOPT(pointer[0]));
+        break;
+      }
+    }
+    else
+      infof(data, "%d (unknown)", pointer[i]);
+
+    switch(pointer[0]) {
+    case CURL_TELOPT_NAWS:
+      if(length > 4)
+        infof(data, "Width: %d ; Height: %d", (pointer[1]<<8) | pointer[2],
+              (pointer[3]<<8) | pointer[4]);
+      break;
+    default:
+      switch(pointer[1]) {
+      case CURL_TELQUAL_IS:
+        infof(data, " IS");
+        break;
+      case CURL_TELQUAL_SEND:
+        infof(data, " SEND");
+        break;
+      case CURL_TELQUAL_INFO:
+        infof(data, " INFO/REPLY");
+        break;
+      case CURL_TELQUAL_NAME:
+        infof(data, " NAME");
+        break;
+      }
+
+      switch(pointer[0]) {
+      case CURL_TELOPT_TTYPE:
+      case CURL_TELOPT_XDISPLOC:
+        pointer[length] = 0;
+        infof(data, " \"%s\"", &pointer[2]);
+        break;
+      case CURL_TELOPT_NEW_ENVIRON:
+        if(pointer[1] == CURL_TELQUAL_IS) {
+          infof(data, " ");
+          for(i = 3; i < length; i++) {
+            switch(pointer[i]) {
+            case CURL_NEW_ENV_VAR:
+              infof(data, ", ");
+              break;
+            case CURL_NEW_ENV_VALUE:
+              infof(data, " = ");
+              break;
+            default:
+              infof(data, "%c", pointer[i]);
+              break;
+            }
+          }
+        }
+        break;
+      default:
+        for(i = 2; i < length; i++)
+          infof(data, " %.2x", pointer[i]);
+        break;
+      }
+    }
+    if(direction)
+      infof(data, "\n");
+  }
+}
+
+static CURLcode check_telnet_options(struct connectdata *conn)
+{
+  struct curl_slist *head;
+  struct curl_slist *beg;
+  char option_keyword[128] = "";
+  char option_arg[256] = "";
+  struct Curl_easy *data = conn->data;
+  struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
+  CURLcode result = CURLE_OK;
+  int binary_option;
+
+  /* Add the user name as an environment variable if it
+     was given on the command line */
+  if(conn->bits.user_passwd) {
+    msnprintf(option_arg, sizeof(option_arg), "USER,%s", conn->user);
+    beg = curl_slist_append(tn->telnet_vars, option_arg);
+    if(!beg) {
+      curl_slist_free_all(tn->telnet_vars);
+      tn->telnet_vars = NULL;
+      return CURLE_OUT_OF_MEMORY;
+    }
+    tn->telnet_vars = beg;
+    tn->us_preferred[CURL_TELOPT_NEW_ENVIRON] = CURL_YES;
+  }
+
+  for(head = data->set.telnet_options; head; head = head->next) {
+    if(sscanf(head->data, "%127[^= ]%*[ =]%255s",
+              option_keyword, option_arg) == 2) {
+
+      /* Terminal type */
+      if(strcasecompare(option_keyword, "TTYPE")) {
+        strncpy(tn->subopt_ttype, option_arg, 31);
+        tn->subopt_ttype[31] = 0; /* String termination */
+        tn->us_preferred[CURL_TELOPT_TTYPE] = CURL_YES;
+        continue;
+      }
+
+      /* Display variable */
+      if(strcasecompare(option_keyword, "XDISPLOC")) {
+        strncpy(tn->subopt_xdisploc, option_arg, 127);
+        tn->subopt_xdisploc[127] = 0; /* String termination */
+        tn->us_preferred[CURL_TELOPT_XDISPLOC] = CURL_YES;
+        continue;
+      }
+
+      /* Environment variable */
+      if(strcasecompare(option_keyword, "NEW_ENV")) {
+        beg = curl_slist_append(tn->telnet_vars, option_arg);
+        if(!beg) {
+          result = CURLE_OUT_OF_MEMORY;
+          break;
+        }
+        tn->telnet_vars = beg;
+        tn->us_preferred[CURL_TELOPT_NEW_ENVIRON] = CURL_YES;
+        continue;
+      }
+
+      /* Window Size */
+      if(strcasecompare(option_keyword, "WS")) {
+        if(sscanf(option_arg, "%hu%*[xX]%hu",
+                  &tn->subopt_wsx, &tn->subopt_wsy) == 2)
+          tn->us_preferred[CURL_TELOPT_NAWS] = CURL_YES;
+        else {
+          failf(data, "Syntax error in telnet option: %s", head->data);
+          result = CURLE_TELNET_OPTION_SYNTAX;
+          break;
+        }
+        continue;
+      }
+
+      /* To take care or not of the 8th bit in data exchange */
+      if(strcasecompare(option_keyword, "BINARY")) {
+        binary_option = atoi(option_arg);
+        if(binary_option != 1) {
+          tn->us_preferred[CURL_TELOPT_BINARY] = CURL_NO;
+          tn->him_preferred[CURL_TELOPT_BINARY] = CURL_NO;
+        }
+        continue;
+      }
+
+      failf(data, "Unknown telnet option %s", head->data);
+      result = CURLE_UNKNOWN_OPTION;
+      break;
+    }
+    failf(data, "Syntax error in telnet option: %s", head->data);
+    result = CURLE_TELNET_OPTION_SYNTAX;
+    break;
+  }
+
+  if(result) {
+    curl_slist_free_all(tn->telnet_vars);
+    tn->telnet_vars = NULL;
+  }
+
+  return result;
+}
+
+/*
+ * suboption()
+ *
+ * Look at the sub-option buffer, and try to be helpful to the other
+ * side.
+ */
+
+static void suboption(struct connectdata *conn)
+{
+  struct curl_slist *v;
+  unsigned char temp[2048];
+  ssize_t bytes_written;
+  size_t len;
+  int err;
+  char varname[128] = "";
+  char varval[128] = "";
+  struct Curl_easy *data = conn->data;
+  struct TELNET *tn = (struct TELNET *)data->req.protop;
+
+  printsub(data, '<', (unsigned char *)tn->subbuffer, CURL_SB_LEN(tn) + 2);
+  switch(CURL_SB_GET(tn)) {
+    case CURL_TELOPT_TTYPE:
+      len = strlen(tn->subopt_ttype) + 4 + 2;
+      msnprintf((char *)temp, sizeof(temp),
+                "%c%c%c%c%s%c%c", CURL_IAC, CURL_SB, CURL_TELOPT_TTYPE,
+                CURL_TELQUAL_IS, tn->subopt_ttype, CURL_IAC, CURL_SE);
+      bytes_written = swrite(conn->sock[FIRSTSOCKET], temp, len);
+      if(bytes_written < 0) {
+        err = SOCKERRNO;
+        failf(data,"Sending data failed (%d)",err);
+      }
+      printsub(data, '>', &temp[2], len-2);
+      break;
+    case CURL_TELOPT_XDISPLOC:
+      len = strlen(tn->subopt_xdisploc) + 4 + 2;
+      msnprintf((char *)temp, sizeof(temp),
+                "%c%c%c%c%s%c%c", CURL_IAC, CURL_SB, CURL_TELOPT_XDISPLOC,
+                CURL_TELQUAL_IS, tn->subopt_xdisploc, CURL_IAC, CURL_SE);
+      bytes_written = swrite(conn->sock[FIRSTSOCKET], temp, len);
+      if(bytes_written < 0) {
+        err = SOCKERRNO;
+        failf(data,"Sending data failed (%d)",err);
+      }
+      printsub(data, '>', &temp[2], len-2);
+      break;
+    case CURL_TELOPT_NEW_ENVIRON:
+      msnprintf((char *)temp, sizeof(temp),
+                "%c%c%c%c", CURL_IAC, CURL_SB, CURL_TELOPT_NEW_ENVIRON,
+                CURL_TELQUAL_IS);
+      len = 4;
+
+      for(v = tn->telnet_vars; v; v = v->next) {
+        size_t tmplen = (strlen(v->data) + 1);
+        /* Add the variable only if it fits */
+        if(len + tmplen < (int)sizeof(temp)-6) {
+          if(sscanf(v->data, "%127[^,],%127s", varname, varval)) {
+            msnprintf((char *)&temp[len], sizeof(temp) - len,
+                      "%c%s%c%s", CURL_NEW_ENV_VAR, varname,
+                      CURL_NEW_ENV_VALUE, varval);
+            len += tmplen;
+          }
+        }
+      }
+      msnprintf((char *)&temp[len], sizeof(temp) - len,
+                "%c%c", CURL_IAC, CURL_SE);
+      len += 2;
+      bytes_written = swrite(conn->sock[FIRSTSOCKET], temp, len);
+      if(bytes_written < 0) {
+        err = SOCKERRNO;
+        failf(data,"Sending data failed (%d)",err);
+      }
+      printsub(data, '>', &temp[2], len-2);
+      break;
+  }
+  return;
+}
+
+
+/*
+ * sendsuboption()
+ *
+ * Send suboption information to the server side.
+ */
+
+static void sendsuboption(struct connectdata *conn, int option)
+{
+  ssize_t bytes_written;
+  int err;
+  unsigned short x, y;
+  unsigned char *uc1, *uc2;
+
+  struct Curl_easy *data = conn->data;
+  struct TELNET *tn = (struct TELNET *)data->req.protop;
+
+  switch(option) {
+  case CURL_TELOPT_NAWS:
+    /* We prepare data to be sent */
+    CURL_SB_CLEAR(tn);
+    CURL_SB_ACCUM(tn, CURL_IAC);
+    CURL_SB_ACCUM(tn, CURL_SB);
+    CURL_SB_ACCUM(tn, CURL_TELOPT_NAWS);
+    /* We must deal either with little or big endian processors */
+    /* Window size must be sent according to the 'network order' */
+    x = htons(tn->subopt_wsx);
+    y = htons(tn->subopt_wsy);
+    uc1 = (unsigned char *)&x;
+    uc2 = (unsigned char *)&y;
+    CURL_SB_ACCUM(tn, uc1[0]);
+    CURL_SB_ACCUM(tn, uc1[1]);
+    CURL_SB_ACCUM(tn, uc2[0]);
+    CURL_SB_ACCUM(tn, uc2[1]);
+
+    CURL_SB_ACCUM(tn, CURL_IAC);
+    CURL_SB_ACCUM(tn, CURL_SE);
+    CURL_SB_TERM(tn);
+    /* data suboption is now ready */
+
+    printsub(data, '>', (unsigned char *)tn->subbuffer + 2,
+             CURL_SB_LEN(tn)-2);
+
+    /* we send the header of the suboption... */
+    bytes_written = swrite(conn->sock[FIRSTSOCKET], tn->subbuffer, 3);
+    if(bytes_written < 0) {
+      err = SOCKERRNO;
+      failf(data, "Sending data failed (%d)", err);
+    }
+    /* ... then the window size with the send_telnet_data() function
+       to deal with 0xFF cases ... */
+    send_telnet_data(conn, (char *)tn->subbuffer + 3, 4);
+    /* ... and the footer */
+    bytes_written = swrite(conn->sock[FIRSTSOCKET], tn->subbuffer + 7, 2);
+    if(bytes_written < 0) {
+      err = SOCKERRNO;
+      failf(data, "Sending data failed (%d)", err);
+    }
+    break;
+  }
+}
+
+
+static
+CURLcode telrcv(struct connectdata *conn,
+                const unsigned char *inbuf, /* Data received from socket */
+                ssize_t count)              /* Number of bytes received */
+{
+  unsigned char c;
+  CURLcode result;
+  int in = 0;
+  int startwrite = -1;
+  struct Curl_easy *data = conn->data;
+  struct TELNET *tn = (struct TELNET *)data->req.protop;
+
+#define startskipping()                                       \
+  if(startwrite >= 0) {                                       \
+    result = Curl_client_write(conn,                          \
+                               CLIENTWRITE_BODY,              \
+                               (char *)&inbuf[startwrite],    \
+                               in-startwrite);                \
+    if(result)                                                \
+      return result;                                          \
+  }                                                           \
+  startwrite = -1
+
+#define writebyte() \
+    if(startwrite < 0) \
+      startwrite = in
+
+#define bufferflush() startskipping()
+
+  while(count--) {
+    c = inbuf[in];
+
+    switch(tn->telrcv_state) {
+    case CURL_TS_CR:
+      tn->telrcv_state = CURL_TS_DATA;
+      if(c == '\0') {
+        startskipping();
+        break;   /* Ignore \0 after CR */
+      }
+      writebyte();
+      break;
+
+    case CURL_TS_DATA:
+      if(c == CURL_IAC) {
+        tn->telrcv_state = CURL_TS_IAC;
+        startskipping();
+        break;
+      }
+      else if(c == '\r')
+        tn->telrcv_state = CURL_TS_CR;
+      writebyte();
+      break;
+
+    case CURL_TS_IAC:
+    process_iac:
+      DEBUGASSERT(startwrite < 0);
+      switch(c) {
+      case CURL_WILL:
+        tn->telrcv_state = CURL_TS_WILL;
+        break;
+      case CURL_WONT:
+        tn->telrcv_state = CURL_TS_WONT;
+        break;
+      case CURL_DO:
+        tn->telrcv_state = CURL_TS_DO;
+        break;
+      case CURL_DONT:
+        tn->telrcv_state = CURL_TS_DONT;
+        break;
+      case CURL_SB:
+        CURL_SB_CLEAR(tn);
+        tn->telrcv_state = CURL_TS_SB;
+        break;
+      case CURL_IAC:
+        tn->telrcv_state = CURL_TS_DATA;
+        writebyte();
+        break;
+      case CURL_DM:
+      case CURL_NOP:
+      case CURL_GA:
+      default:
+        tn->telrcv_state = CURL_TS_DATA;
+        printoption(data, "RCVD", CURL_IAC, c);
+        break;
+      }
+      break;
+
+      case CURL_TS_WILL:
+        printoption(data, "RCVD", CURL_WILL, c);
+        tn->please_negotiate = 1;
+        rec_will(conn, c);
+        tn->telrcv_state = CURL_TS_DATA;
+        break;
+
+      case CURL_TS_WONT:
+        printoption(data, "RCVD", CURL_WONT, c);
+        tn->please_negotiate = 1;
+        rec_wont(conn, c);
+        tn->telrcv_state = CURL_TS_DATA;
+        break;
+
+      case CURL_TS_DO:
+        printoption(data, "RCVD", CURL_DO, c);
+        tn->please_negotiate = 1;
+        rec_do(conn, c);
+        tn->telrcv_state = CURL_TS_DATA;
+        break;
+
+      case CURL_TS_DONT:
+        printoption(data, "RCVD", CURL_DONT, c);
+        tn->please_negotiate = 1;
+        rec_dont(conn, c);
+        tn->telrcv_state = CURL_TS_DATA;
+        break;
+
+      case CURL_TS_SB:
+        if(c == CURL_IAC)
+          tn->telrcv_state = CURL_TS_SE;
+        else
+          CURL_SB_ACCUM(tn, c);
+        break;
+
+      case CURL_TS_SE:
+        if(c != CURL_SE) {
+          if(c != CURL_IAC) {
+            /*
+             * This is an error.  We only expect to get "IAC IAC" or "IAC SE".
+             * Several things may have happened.  An IAC was not doubled, the
+             * IAC SE was left off, or another option got inserted into the
+             * suboption are all possibilities.  If we assume that the IAC was
+             * not doubled, and really the IAC SE was left off, we could get
+             * into an infinite loop here.  So, instead, we terminate the
+             * suboption, and process the partial suboption if we can.
+             */
+            CURL_SB_ACCUM(tn, CURL_IAC);
+            CURL_SB_ACCUM(tn, c);
+            tn->subpointer -= 2;
+            CURL_SB_TERM(tn);
+
+            printoption(data, "In SUBOPTION processing, RCVD", CURL_IAC, c);
+            suboption(conn);   /* handle sub-option */
+            tn->telrcv_state = CURL_TS_IAC;
+            goto process_iac;
+          }
+          CURL_SB_ACCUM(tn, c);
+          tn->telrcv_state = CURL_TS_SB;
+        }
+        else {
+          CURL_SB_ACCUM(tn, CURL_IAC);
+          CURL_SB_ACCUM(tn, CURL_SE);
+          tn->subpointer -= 2;
+          CURL_SB_TERM(tn);
+          suboption(conn);   /* handle sub-option */
+          tn->telrcv_state = CURL_TS_DATA;
+        }
+        break;
+    }
+    ++in;
+  }
+  bufferflush();
+  return CURLE_OK;
+}
+
+/* Escape and send a telnet data block */
+static CURLcode send_telnet_data(struct connectdata *conn,
+                                 char *buffer, ssize_t nread)
+{
+  ssize_t escapes, i, outlen;
+  unsigned char *outbuf = NULL;
+  CURLcode result = CURLE_OK;
+  ssize_t bytes_written, total_written;
+
+  /* Determine size of new buffer after escaping */
+  escapes = 0;
+  for(i = 0; i < nread; i++)
+    if((unsigned char)buffer[i] == CURL_IAC)
+      escapes++;
+  outlen = nread + escapes;
+
+  if(outlen == nread)
+    outbuf = (unsigned char *)buffer;
+  else {
+    ssize_t j;
+    outbuf = malloc(nread + escapes + 1);
+    if(!outbuf)
+      return CURLE_OUT_OF_MEMORY;
+
+    j = 0;
+    for(i = 0; i < nread; i++) {
+      outbuf[j++] = buffer[i];
+      if((unsigned char)buffer[i] == CURL_IAC)
+        outbuf[j++] = CURL_IAC;
+    }
+    outbuf[j] = '\0';
+  }
+
+  total_written = 0;
+  while(!result && total_written < outlen) {
+    /* Make sure socket is writable to avoid EWOULDBLOCK condition */
+    struct pollfd pfd[1];
+    pfd[0].fd = conn->sock[FIRSTSOCKET];
+    pfd[0].events = POLLOUT;
+    switch(Curl_poll(pfd, 1, -1)) {
+      case -1:                    /* error, abort writing */
+      case 0:                     /* timeout (will never happen) */
+        result = CURLE_SEND_ERROR;
+        break;
+      default:                    /* write! */
+        bytes_written = 0;
+        result = Curl_write(conn, conn->sock[FIRSTSOCKET],
+                            outbuf + total_written,
+                            outlen - total_written,
+                            &bytes_written);
+        total_written += bytes_written;
+        break;
+    }
+  }
+
+  /* Free malloc copy if escaped */
+  if(outbuf != (unsigned char *)buffer)
+    free(outbuf);
+
+  return result;
+}
+
+static CURLcode telnet_done(struct connectdata *conn,
+                                 CURLcode status, bool premature)
+{
+  struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
+  (void)status; /* unused */
+  (void)premature; /* not used */
+
+  if(!tn)
+    return CURLE_OK;
+
+  curl_slist_free_all(tn->telnet_vars);
+  tn->telnet_vars = NULL;
+
+  Curl_safefree(conn->data->req.protop);
+
+  return CURLE_OK;
+}
+
+static CURLcode telnet_do(struct connectdata *conn, bool *done)
+{
+  CURLcode result;
+  struct Curl_easy *data = conn->data;
+  curl_socket_t sockfd = conn->sock[FIRSTSOCKET];
+#ifdef USE_WINSOCK
+  HMODULE wsock2;
+  WSOCK2_FUNC close_event_func;
+  WSOCK2_EVENT create_event_func;
+  WSOCK2_FUNC event_select_func;
+  WSOCK2_FUNC enum_netevents_func;
+  WSAEVENT event_handle;
+  WSANETWORKEVENTS events;
+  HANDLE stdin_handle;
+  HANDLE objs[2];
+  DWORD  obj_count;
+  DWORD  wait_timeout;
+  DWORD readfile_read;
+  int err;
+#else
+  int interval_ms;
+  struct pollfd pfd[2];
+  int poll_cnt;
+  curl_off_t total_dl = 0;
+  curl_off_t total_ul = 0;
+#endif
+  ssize_t nread;
+  struct curltime now;
+  bool keepon = TRUE;
+  char *buf = data->state.buffer;
+  struct TELNET *tn;
+
+  *done = TRUE; /* unconditionally */
+
+  result = init_telnet(conn);
+  if(result)
+    return result;
+
+  tn = (struct TELNET *)data->req.protop;
+
+  result = check_telnet_options(conn);
+  if(result)
+    return result;
+
+#ifdef USE_WINSOCK
+  /*
+  ** This functionality only works with WinSock >= 2.0.  So,
+  ** make sure we have it.
+  */
+  result = check_wsock2(data);
+  if(result)
+    return result;
+
+  /* OK, so we have WinSock 2.0.  We need to dynamically */
+  /* load ws2_32.dll and get the function pointers we need. */
+  wsock2 = Curl_load_library(TEXT("WS2_32.DLL"));
+  if(wsock2 == NULL) {
+    failf(data, "failed to load WS2_32.DLL (%u)", GetLastError());
+    return CURLE_FAILED_INIT;
+  }
+
+  /* Grab a pointer to WSACreateEvent */
+  create_event_func =
+    CURLX_FUNCTION_CAST(WSOCK2_EVENT,
+                        (GetProcAddress(wsock2, "WSACreateEvent")));
+  if(create_event_func == NULL) {
+    failf(data, "failed to find WSACreateEvent function (%u)", GetLastError());
+    FreeLibrary(wsock2);
+    return CURLE_FAILED_INIT;
+  }
+
+  /* And WSACloseEvent */
+  close_event_func = GetProcAddress(wsock2, "WSACloseEvent");
+  if(close_event_func == NULL) {
+    failf(data, "failed to find WSACloseEvent function (%u)", GetLastError());
+    FreeLibrary(wsock2);
+    return CURLE_FAILED_INIT;
+  }
+
+  /* And WSAEventSelect */
+  event_select_func = GetProcAddress(wsock2, "WSAEventSelect");
+  if(event_select_func == NULL) {
+    failf(data, "failed to find WSAEventSelect function (%u)", GetLastError());
+    FreeLibrary(wsock2);
+    return CURLE_FAILED_INIT;
+  }
+
+  /* And WSAEnumNetworkEvents */
+  enum_netevents_func = GetProcAddress(wsock2, "WSAEnumNetworkEvents");
+  if(enum_netevents_func == NULL) {
+    failf(data, "failed to find WSAEnumNetworkEvents function (%u)",
+          GetLastError());
+    FreeLibrary(wsock2);
+    return CURLE_FAILED_INIT;
+  }
+
+  /* We want to wait for both stdin and the socket. Since
+  ** the select() function in winsock only works on sockets
+  ** we have to use the WaitForMultipleObjects() call.
+  */
+
+  /* First, create a sockets event object */
+  event_handle = (WSAEVENT)create_event_func();
+  if(event_handle == WSA_INVALID_EVENT) {
+    failf(data, "WSACreateEvent failed (%d)", SOCKERRNO);
+    FreeLibrary(wsock2);
+    return CURLE_FAILED_INIT;
+  }
+
+  /* Tell winsock what events we want to listen to */
+  if(event_select_func(sockfd, event_handle, FD_READ|FD_CLOSE) ==
+     SOCKET_ERROR) {
+    close_event_func(event_handle);
+    FreeLibrary(wsock2);
+    return CURLE_OK;
+  }
+
+  /* The get the Windows file handle for stdin */
+  stdin_handle = GetStdHandle(STD_INPUT_HANDLE);
+
+  /* Create the list of objects to wait for */
+  objs[0] = event_handle;
+  objs[1] = stdin_handle;
+
+  /* If stdin_handle is a pipe, use PeekNamedPipe() method to check it,
+     else use the old WaitForMultipleObjects() way */
+  if(GetFileType(stdin_handle) == FILE_TYPE_PIPE ||
+     data->set.is_fread_set) {
+    /* Don't wait for stdin_handle, just wait for event_handle */
+    obj_count = 1;
+    /* Check stdin_handle per 100 milliseconds */
+    wait_timeout = 100;
+  }
+  else {
+    obj_count = 2;
+    wait_timeout = 1000;
+  }
+
+  /* Keep on listening and act on events */
+  while(keepon) {
+    const DWORD buf_size = (DWORD)data->set.buffer_size;
+    DWORD waitret = WaitForMultipleObjects(obj_count, objs,
+                                           FALSE, wait_timeout);
+    switch(waitret) {
+    case WAIT_TIMEOUT:
+    {
+      for(;;) {
+        if(data->set.is_fread_set) {
+          size_t n;
+          /* read from user-supplied method */
+          n = data->state.fread_func(buf, 1, buf_size, data->state.in);
+          if(n == CURL_READFUNC_ABORT) {
+            keepon = FALSE;
+            result = CURLE_READ_ERROR;
+            break;
+          }
+
+          if(n == CURL_READFUNC_PAUSE)
+            break;
+
+          if(n == 0)                        /* no bytes */
+            break;
+
+          /* fall through with number of bytes read */
+          readfile_read = (DWORD)n;
+        }
+        else {
+          /* read from stdin */
+          if(!PeekNamedPipe(stdin_handle, NULL, 0, NULL,
+                            &readfile_read, NULL)) {
+            keepon = FALSE;
+            result = CURLE_READ_ERROR;
+            break;
+          }
+
+          if(!readfile_read)
+            break;
+
+          if(!ReadFile(stdin_handle, buf, buf_size,
+                       &readfile_read, NULL)) {
+            keepon = FALSE;
+            result = CURLE_READ_ERROR;
+            break;
+          }
+        }
+
+        result = send_telnet_data(conn, buf, readfile_read);
+        if(result) {
+          keepon = FALSE;
+          break;
+        }
+      }
+    }
+    break;
+
+    case WAIT_OBJECT_0 + 1:
+    {
+      if(!ReadFile(stdin_handle, buf, buf_size,
+                   &readfile_read, NULL)) {
+        keepon = FALSE;
+        result = CURLE_READ_ERROR;
+        break;
+      }
+
+      result = send_telnet_data(conn, buf, readfile_read);
+      if(result) {
+        keepon = FALSE;
+        break;
+      }
+    }
+    break;
+
+    case WAIT_OBJECT_0:
+
+      events.lNetworkEvents = 0;
+      if(SOCKET_ERROR == enum_netevents_func(sockfd, event_handle, &events)) {
+        err = SOCKERRNO;
+        if(err != EINPROGRESS) {
+          infof(data, "WSAEnumNetworkEvents failed (%d)", err);
+          keepon = FALSE;
+          result = CURLE_READ_ERROR;
+        }
+        break;
+      }
+      if(events.lNetworkEvents & FD_READ) {
+        /* read data from network */
+        result = Curl_read(conn, sockfd, buf, data->set.buffer_size, &nread);
+        /* read would've blocked. Loop again */
+        if(result == CURLE_AGAIN)
+          break;
+        /* returned not-zero, this an error */
+        else if(result) {
+          keepon = FALSE;
+          break;
+        }
+        /* returned zero but actually received 0 or less here,
+           the server closed the connection and we bail out */
+        else if(nread <= 0) {
+          keepon = FALSE;
+          break;
+        }
+
+        result = telrcv(conn, (unsigned char *) buf, nread);
+        if(result) {
+          keepon = FALSE;
+          break;
+        }
+
+        /* Negotiate if the peer has started negotiating,
+           otherwise don't. We don't want to speak telnet with
+           non-telnet servers, like POP or SMTP. */
+        if(tn->please_negotiate && !tn->already_negotiated) {
+          negotiate(conn);
+          tn->already_negotiated = 1;
+        }
+      }
+      if(events.lNetworkEvents & FD_CLOSE) {
+        keepon = FALSE;
+      }
+      break;
+
+    }
+
+    if(data->set.timeout) {
+      now = Curl_now();
+      if(Curl_timediff(now, conn->created) >= data->set.timeout) {
+        failf(data, "Time-out");
+        result = CURLE_OPERATION_TIMEDOUT;
+        keepon = FALSE;
+      }
+    }
+  }
+
+  /* We called WSACreateEvent, so call WSACloseEvent */
+  if(!close_event_func(event_handle)) {
+    infof(data, "WSACloseEvent failed (%d)", SOCKERRNO);
+  }
+
+  /* "Forget" pointers into the library we're about to free */
+  create_event_func = NULL;
+  close_event_func = NULL;
+  event_select_func = NULL;
+  enum_netevents_func = NULL;
+
+  /* We called LoadLibrary, so call FreeLibrary */
+  if(!FreeLibrary(wsock2))
+    infof(data, "FreeLibrary(wsock2) failed (%u)", GetLastError());
+#else
+  pfd[0].fd = sockfd;
+  pfd[0].events = POLLIN;
+
+  if(data->set.is_fread_set) {
+    poll_cnt = 1;
+    interval_ms = 100; /* poll user-supplied read function */
+  }
+  else {
+    /* really using fread, so infile is a FILE* */
+    pfd[1].fd = fileno((FILE *)data->state.in);
+    pfd[1].events = POLLIN;
+    poll_cnt = 2;
+    interval_ms = 1 * 1000;
+  }
+
+  while(keepon) {
+    switch(Curl_poll(pfd, poll_cnt, interval_ms)) {
+    case -1:                    /* error, stop reading */
+      keepon = FALSE;
+      continue;
+    case 0:                     /* timeout */
+      pfd[0].revents = 0;
+      pfd[1].revents = 0;
+      /* FALLTHROUGH */
+    default:                    /* read! */
+      if(pfd[0].revents & POLLIN) {
+        /* read data from network */
+        result = Curl_read(conn, sockfd, buf, data->set.buffer_size, &nread);
+        /* read would've blocked. Loop again */
+        if(result == CURLE_AGAIN)
+          break;
+        /* returned not-zero, this an error */
+        if(result) {
+          keepon = FALSE;
+          break;
+        }
+        /* returned zero but actually received 0 or less here,
+           the server closed the connection and we bail out */
+        else if(nread <= 0) {
+          keepon = FALSE;
+          break;
+        }
+
+        total_dl += nread;
+        Curl_pgrsSetDownloadCounter(data, total_dl);
+        result = telrcv(conn, (unsigned char *)buf, nread);
+        if(result) {
+          keepon = FALSE;
+          break;
+        }
+
+        /* Negotiate if the peer has started negotiating,
+           otherwise don't. We don't want to speak telnet with
+           non-telnet servers, like POP or SMTP. */
+        if(tn->please_negotiate && !tn->already_negotiated) {
+          negotiate(conn);
+          tn->already_negotiated = 1;
+        }
+      }
+
+      nread = 0;
+      if(poll_cnt == 2) {
+        if(pfd[1].revents & POLLIN) { /* read from in file */
+          nread = read(pfd[1].fd, buf, data->set.buffer_size);
+        }
+      }
+      else {
+        /* read from user-supplied method */
+        nread = (int)data->state.fread_func(buf, 1, data->set.buffer_size,
+                                            data->state.in);
+        if(nread == CURL_READFUNC_ABORT) {
+          keepon = FALSE;
+          break;
+        }
+        if(nread == CURL_READFUNC_PAUSE)
+          break;
+      }
+
+      if(nread > 0) {
+        result = send_telnet_data(conn, buf, nread);
+        if(result) {
+          keepon = FALSE;
+          break;
+        }
+        total_ul += nread;
+        Curl_pgrsSetUploadCounter(data, total_ul);
+      }
+      else if(nread < 0)
+        keepon = FALSE;
+
+      break;
+    } /* poll switch statement */
+
+    if(data->set.timeout) {
+      now = Curl_now();
+      if(Curl_timediff(now, conn->created) >= data->set.timeout) {
+        failf(data, "Time-out");
+        result = CURLE_OPERATION_TIMEDOUT;
+        keepon = FALSE;
+      }
+    }
+
+    if(Curl_pgrsUpdate(conn)) {
+      result = CURLE_ABORTED_BY_CALLBACK;
+      break;
+    }
+  }
+#endif
+  /* mark this as "no further transfer wanted" */
+  Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
+
+  return result;
+}
+#endif
Index: trunk/src/libs/curl-7.64.0/lib/telnet.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/telnet.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/telnet.h	(revision 85671)
@@ -0,0 +1,28 @@
+#ifndef HEADER_CURL_TELNET_H
+#define HEADER_CURL_TELNET_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#ifndef CURL_DISABLE_TELNET
+extern const struct Curl_handler Curl_handler_telnet;
+#endif
+
+#endif /* HEADER_CURL_TELNET_H */
Index: trunk/src/libs/curl-7.64.0/lib/tftp.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/tftp.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/tftp.c	(revision 85671)
@@ -0,0 +1,1404 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_TFTP
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_NET_IF_H
+#include <net/if.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+#include "urldata.h"
+#include <curl/curl.h>
+#include "transfer.h"
+#include "sendf.h"
+#include "tftp.h"
+#include "progress.h"
+#include "connect.h"
+#include "strerror.h"
+#include "sockaddr.h" /* required for Curl_sockaddr_storage */
+#include "multiif.h"
+#include "url.h"
+#include "strcase.h"
+#include "speedcheck.h"
+#include "select.h"
+#include "escape.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* RFC2348 allows the block size to be negotiated */
+#define TFTP_BLKSIZE_DEFAULT 512
+#define TFTP_BLKSIZE_MIN 8
+#define TFTP_BLKSIZE_MAX 65464
+#define TFTP_OPTION_BLKSIZE "blksize"
+
+/* from RFC2349: */
+#define TFTP_OPTION_TSIZE    "tsize"
+#define TFTP_OPTION_INTERVAL "timeout"
+
+typedef enum {
+  TFTP_MODE_NETASCII = 0,
+  TFTP_MODE_OCTET
+} tftp_mode_t;
+
+typedef enum {
+  TFTP_STATE_START = 0,
+  TFTP_STATE_RX,
+  TFTP_STATE_TX,
+  TFTP_STATE_FIN
+} tftp_state_t;
+
+typedef enum {
+  TFTP_EVENT_NONE = -1,
+  TFTP_EVENT_INIT = 0,
+  TFTP_EVENT_RRQ = 1,
+  TFTP_EVENT_WRQ = 2,
+  TFTP_EVENT_DATA = 3,
+  TFTP_EVENT_ACK = 4,
+  TFTP_EVENT_ERROR = 5,
+  TFTP_EVENT_OACK = 6,
+  TFTP_EVENT_TIMEOUT
+} tftp_event_t;
+
+typedef enum {
+  TFTP_ERR_UNDEF = 0,
+  TFTP_ERR_NOTFOUND,
+  TFTP_ERR_PERM,
+  TFTP_ERR_DISKFULL,
+  TFTP_ERR_ILLEGAL,
+  TFTP_ERR_UNKNOWNID,
+  TFTP_ERR_EXISTS,
+  TFTP_ERR_NOSUCHUSER,  /* This will never be triggered by this code */
+
+  /* The remaining error codes are internal to curl */
+  TFTP_ERR_NONE = -100,
+  TFTP_ERR_TIMEOUT,
+  TFTP_ERR_NORESPONSE
+} tftp_error_t;
+
+typedef struct tftp_packet {
+  unsigned char *data;
+} tftp_packet_t;
+
+typedef struct tftp_state_data {
+  tftp_state_t    state;
+  tftp_mode_t     mode;
+  tftp_error_t    error;
+  tftp_event_t    event;
+  struct connectdata      *conn;
+  curl_socket_t   sockfd;
+  int             retries;
+  int             retry_time;
+  int             retry_max;
+  time_t          start_time;
+  time_t          max_time;
+  time_t          rx_time;
+  unsigned short  block;
+  struct Curl_sockaddr_storage   local_addr;
+  struct Curl_sockaddr_storage   remote_addr;
+  curl_socklen_t  remote_addrlen;
+  int             rbytes;
+  int             sbytes;
+  int             blksize;
+  int             requested_blksize;
+  tftp_packet_t   rpacket;
+  tftp_packet_t   spacket;
+} tftp_state_data_t;
+
+
+/* Forward declarations */
+static CURLcode tftp_rx(tftp_state_data_t *state, tftp_event_t event);
+static CURLcode tftp_tx(tftp_state_data_t *state, tftp_event_t event);
+static CURLcode tftp_connect(struct connectdata *conn, bool *done);
+static CURLcode tftp_disconnect(struct connectdata *conn,
+                                bool dead_connection);
+static CURLcode tftp_do(struct connectdata *conn, bool *done);
+static CURLcode tftp_done(struct connectdata *conn,
+                          CURLcode, bool premature);
+static CURLcode tftp_setup_connection(struct connectdata * conn);
+static CURLcode tftp_multi_statemach(struct connectdata *conn, bool *done);
+static CURLcode tftp_doing(struct connectdata *conn, bool *dophase_done);
+static int tftp_getsock(struct connectdata *conn, curl_socket_t *socks,
+                        int numsocks);
+static CURLcode tftp_translate_code(tftp_error_t error);
+
+
+/*
+ * TFTP protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_tftp = {
+  "TFTP",                               /* scheme */
+  tftp_setup_connection,                /* setup_connection */
+  tftp_do,                              /* do_it */
+  tftp_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  tftp_connect,                         /* connect_it */
+  tftp_multi_statemach,                 /* connecting */
+  tftp_doing,                           /* doing */
+  tftp_getsock,                         /* proto_getsock */
+  tftp_getsock,                         /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  tftp_disconnect,                      /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_TFTP,                            /* defport */
+  CURLPROTO_TFTP,                       /* protocol */
+  PROTOPT_NONE | PROTOPT_NOURLQUERY     /* flags */
+};
+
+/**********************************************************
+ *
+ * tftp_set_timeouts -
+ *
+ * Set timeouts based on state machine state.
+ * Use user provided connect timeouts until DATA or ACK
+ * packet is received, then use user-provided transfer timeouts
+ *
+ *
+ **********************************************************/
+static CURLcode tftp_set_timeouts(tftp_state_data_t *state)
+{
+  time_t maxtime, timeout;
+  timediff_t timeout_ms;
+  bool start = (state->state == TFTP_STATE_START) ? TRUE : FALSE;
+
+  time(&state->start_time);
+
+  /* Compute drop-dead time */
+  timeout_ms = Curl_timeleft(state->conn->data, NULL, start);
+
+  if(timeout_ms < 0) {
+    /* time-out, bail out, go home */
+    failf(state->conn->data, "Connection time-out");
+    return CURLE_OPERATION_TIMEDOUT;
+  }
+
+  if(start) {
+
+    maxtime = (time_t)(timeout_ms + 500) / 1000;
+    state->max_time = state->start_time + maxtime;
+
+    /* Set per-block timeout to total */
+    timeout = maxtime;
+
+    /* Average restart after 5 seconds */
+    state->retry_max = (int)timeout/5;
+
+    if(state->retry_max < 1)
+      /* avoid division by zero below */
+      state->retry_max = 1;
+
+    /* Compute the re-start interval to suit the timeout */
+    state->retry_time = (int)timeout/state->retry_max;
+    if(state->retry_time<1)
+      state->retry_time = 1;
+
+  }
+  else {
+    if(timeout_ms > 0)
+      maxtime = (time_t)(timeout_ms + 500) / 1000;
+    else
+      maxtime = 3600;
+
+    state->max_time = state->start_time + maxtime;
+
+    /* Set per-block timeout to total */
+    timeout = maxtime;
+
+    /* Average reposting an ACK after 5 seconds */
+    state->retry_max = (int)timeout/5;
+  }
+  /* But bound the total number */
+  if(state->retry_max<3)
+    state->retry_max = 3;
+
+  if(state->retry_max>50)
+    state->retry_max = 50;
+
+  /* Compute the re-ACK interval to suit the timeout */
+  state->retry_time = (int)(timeout/state->retry_max);
+  if(state->retry_time<1)
+    state->retry_time = 1;
+
+  infof(state->conn->data,
+        "set timeouts for state %d; Total %ld, retry %d maxtry %d\n",
+        (int)state->state, (long)(state->max_time-state->start_time),
+        state->retry_time, state->retry_max);
+
+  /* init RX time */
+  time(&state->rx_time);
+
+  return CURLE_OK;
+}
+
+/**********************************************************
+ *
+ * tftp_set_send_first
+ *
+ * Event handler for the START state
+ *
+ **********************************************************/
+
+static void setpacketevent(tftp_packet_t *packet, unsigned short num)
+{
+  packet->data[0] = (unsigned char)(num >> 8);
+  packet->data[1] = (unsigned char)(num & 0xff);
+}
+
+
+static void setpacketblock(tftp_packet_t *packet, unsigned short num)
+{
+  packet->data[2] = (unsigned char)(num >> 8);
+  packet->data[3] = (unsigned char)(num & 0xff);
+}
+
+static unsigned short getrpacketevent(const tftp_packet_t *packet)
+{
+  return (unsigned short)((packet->data[0] << 8) | packet->data[1]);
+}
+
+static unsigned short getrpacketblock(const tftp_packet_t *packet)
+{
+  return (unsigned short)((packet->data[2] << 8) | packet->data[3]);
+}
+
+static size_t Curl_strnlen(const char *string, size_t maxlen)
+{
+  const char *end = memchr(string, '\0', maxlen);
+  return end ? (size_t) (end - string) : maxlen;
+}
+
+static const char *tftp_option_get(const char *buf, size_t len,
+                                   const char **option, const char **value)
+{
+  size_t loc;
+
+  loc = Curl_strnlen(buf, len);
+  loc++; /* NULL term */
+
+  if(loc >= len)
+    return NULL;
+  *option = buf;
+
+  loc += Curl_strnlen(buf + loc, len-loc);
+  loc++; /* NULL term */
+
+  if(loc > len)
+    return NULL;
+  *value = &buf[strlen(*option) + 1];
+
+  return &buf[loc];
+}
+
+static CURLcode tftp_parse_option_ack(tftp_state_data_t *state,
+                                      const char *ptr, int len)
+{
+  const char *tmp = ptr;
+  struct Curl_easy *data = state->conn->data;
+
+  /* if OACK doesn't contain blksize option, the default (512) must be used */
+  state->blksize = TFTP_BLKSIZE_DEFAULT;
+
+  while(tmp < ptr + len) {
+    const char *option, *value;
+
+    tmp = tftp_option_get(tmp, ptr + len - tmp, &option, &value);
+    if(tmp == NULL) {
+      failf(data, "Malformed ACK packet, rejecting");
+      return CURLE_TFTP_ILLEGAL;
+    }
+
+    infof(data, "got option=(%s) value=(%s)\n", option, value);
+
+    if(checkprefix(option, TFTP_OPTION_BLKSIZE)) {
+      long blksize;
+
+      blksize = strtol(value, NULL, 10);
+
+      if(!blksize) {
+        failf(data, "invalid blocksize value in OACK packet");
+        return CURLE_TFTP_ILLEGAL;
+      }
+      if(blksize > TFTP_BLKSIZE_MAX) {
+        failf(data, "%s (%d)", "blksize is larger than max supported",
+              TFTP_BLKSIZE_MAX);
+        return CURLE_TFTP_ILLEGAL;
+      }
+      else if(blksize < TFTP_BLKSIZE_MIN) {
+        failf(data, "%s (%d)", "blksize is smaller than min supported",
+              TFTP_BLKSIZE_MIN);
+        return CURLE_TFTP_ILLEGAL;
+      }
+      else if(blksize > state->requested_blksize) {
+        /* could realloc pkt buffers here, but the spec doesn't call out
+         * support for the server requesting a bigger blksize than the client
+         * requests */
+        failf(data, "%s (%ld)",
+              "server requested blksize larger than allocated", blksize);
+        return CURLE_TFTP_ILLEGAL;
+      }
+
+      state->blksize = (int)blksize;
+      infof(data, "%s (%d) %s (%d)\n", "blksize parsed from OACK",
+            state->blksize, "requested", state->requested_blksize);
+    }
+    else if(checkprefix(option, TFTP_OPTION_TSIZE)) {
+      long tsize = 0;
+
+      tsize = strtol(value, NULL, 10);
+      infof(data, "%s (%ld)\n", "tsize parsed from OACK", tsize);
+
+      /* tsize should be ignored on upload: Who cares about the size of the
+         remote file? */
+      if(!data->set.upload) {
+        if(!tsize) {
+          failf(data, "invalid tsize -:%s:- value in OACK packet", value);
+          return CURLE_TFTP_ILLEGAL;
+        }
+        Curl_pgrsSetDownloadSize(data, tsize);
+      }
+    }
+  }
+
+  return CURLE_OK;
+}
+
+static size_t tftp_option_add(tftp_state_data_t *state, size_t csize,
+                              char *buf, const char *option)
+{
+  if(( strlen(option) + csize + 1) > (size_t)state->blksize)
+    return 0;
+  strcpy(buf, option);
+  return strlen(option) + 1;
+}
+
+static CURLcode tftp_connect_for_tx(tftp_state_data_t *state,
+                                    tftp_event_t event)
+{
+  CURLcode result;
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+  struct Curl_easy *data = state->conn->data;
+
+  infof(data, "%s\n", "Connected for transmit");
+#endif
+  state->state = TFTP_STATE_TX;
+  result = tftp_set_timeouts(state);
+  if(result)
+    return result;
+  return tftp_tx(state, event);
+}
+
+static CURLcode tftp_connect_for_rx(tftp_state_data_t *state,
+                                    tftp_event_t event)
+{
+  CURLcode result;
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+  struct Curl_easy *data = state->conn->data;
+
+  infof(data, "%s\n", "Connected for receive");
+#endif
+  state->state = TFTP_STATE_RX;
+  result = tftp_set_timeouts(state);
+  if(result)
+    return result;
+  return tftp_rx(state, event);
+}
+
+static CURLcode tftp_send_first(tftp_state_data_t *state, tftp_event_t event)
+{
+  size_t sbytes;
+  ssize_t senddata;
+  const char *mode = "octet";
+  char *filename;
+  struct Curl_easy *data = state->conn->data;
+  CURLcode result = CURLE_OK;
+
+  /* Set ascii mode if -B flag was used */
+  if(data->set.prefer_ascii)
+    mode = "netascii";
+
+  switch(event) {
+
+  case TFTP_EVENT_INIT:    /* Send the first packet out */
+  case TFTP_EVENT_TIMEOUT: /* Resend the first packet out */
+    /* Increment the retry counter, quit if over the limit */
+    state->retries++;
+    if(state->retries>state->retry_max) {
+      state->error = TFTP_ERR_NORESPONSE;
+      state->state = TFTP_STATE_FIN;
+      return result;
+    }
+
+    if(data->set.upload) {
+      /* If we are uploading, send an WRQ */
+      setpacketevent(&state->spacket, TFTP_EVENT_WRQ);
+      state->conn->data->req.upload_fromhere =
+        (char *)state->spacket.data + 4;
+      if(data->state.infilesize != -1)
+        Curl_pgrsSetUploadSize(data, data->state.infilesize);
+    }
+    else {
+      /* If we are downloading, send an RRQ */
+      setpacketevent(&state->spacket, TFTP_EVENT_RRQ);
+    }
+    /* As RFC3617 describes the separator slash is not actually part of the
+       file name so we skip the always-present first letter of the path
+       string. */
+    result = Curl_urldecode(data, &state->conn->data->state.up.path[1], 0,
+                            &filename, NULL, FALSE);
+    if(result)
+      return result;
+
+    if(strlen(filename) > (state->blksize - strlen(mode) - 4)) {
+      failf(data, "TFTP file name too long\n");
+      free(filename);
+      return CURLE_TFTP_ILLEGAL; /* too long file name field */
+    }
+
+    msnprintf((char *)state->spacket.data + 2,
+              state->blksize,
+              "%s%c%s%c", filename, '\0',  mode, '\0');
+    sbytes = 4 + strlen(filename) + strlen(mode);
+
+    /* optional addition of TFTP options */
+    if(!data->set.tftp_no_options) {
+      char buf[64];
+      /* add tsize option */
+      if(data->set.upload && (data->state.infilesize != -1))
+        msnprintf(buf, sizeof(buf), "%" CURL_FORMAT_CURL_OFF_T,
+                  data->state.infilesize);
+      else
+        strcpy(buf, "0"); /* the destination is large enough */
+
+      sbytes += tftp_option_add(state, sbytes,
+                                (char *)state->spacket.data + sbytes,
+                                TFTP_OPTION_TSIZE);
+      sbytes += tftp_option_add(state, sbytes,
+                                (char *)state->spacket.data + sbytes, buf);
+      /* add blksize option */
+      msnprintf(buf, sizeof(buf), "%d", state->requested_blksize);
+      sbytes += tftp_option_add(state, sbytes,
+                                (char *)state->spacket.data + sbytes,
+                                TFTP_OPTION_BLKSIZE);
+      sbytes += tftp_option_add(state, sbytes,
+                                (char *)state->spacket.data + sbytes, buf);
+
+      /* add timeout option */
+      msnprintf(buf, sizeof(buf), "%d", state->retry_time);
+      sbytes += tftp_option_add(state, sbytes,
+                                (char *)state->spacket.data + sbytes,
+                                TFTP_OPTION_INTERVAL);
+      sbytes += tftp_option_add(state, sbytes,
+                                (char *)state->spacket.data + sbytes, buf);
+    }
+
+    /* the typecase for the 3rd argument is mostly for systems that do
+       not have a size_t argument, like older unixes that want an 'int' */
+    senddata = sendto(state->sockfd, (void *)state->spacket.data,
+                      (SEND_TYPE_ARG3)sbytes, 0,
+                      state->conn->ip_addr->ai_addr,
+                      state->conn->ip_addr->ai_addrlen);
+    if(senddata != (ssize_t)sbytes) {
+      failf(data, "%s", Curl_strerror(state->conn, SOCKERRNO));
+    }
+    free(filename);
+    break;
+
+  case TFTP_EVENT_OACK:
+    if(data->set.upload) {
+      result = tftp_connect_for_tx(state, event);
+    }
+    else {
+      result = tftp_connect_for_rx(state, event);
+    }
+    break;
+
+  case TFTP_EVENT_ACK: /* Connected for transmit */
+    result = tftp_connect_for_tx(state, event);
+    break;
+
+  case TFTP_EVENT_DATA: /* Connected for receive */
+    result = tftp_connect_for_rx(state, event);
+    break;
+
+  case TFTP_EVENT_ERROR:
+    state->state = TFTP_STATE_FIN;
+    break;
+
+  default:
+    failf(state->conn->data, "tftp_send_first: internal error");
+    break;
+  }
+
+  return result;
+}
+
+/* the next blocknum is x + 1 but it needs to wrap at an unsigned 16bit
+   boundary */
+#define NEXT_BLOCKNUM(x) (((x) + 1)&0xffff)
+
+/**********************************************************
+ *
+ * tftp_rx
+ *
+ * Event handler for the RX state
+ *
+ **********************************************************/
+static CURLcode tftp_rx(tftp_state_data_t *state, tftp_event_t event)
+{
+  ssize_t sbytes;
+  int rblock;
+  struct Curl_easy *data = state->conn->data;
+
+  switch(event) {
+
+  case TFTP_EVENT_DATA:
+    /* Is this the block we expect? */
+    rblock = getrpacketblock(&state->rpacket);
+    if(NEXT_BLOCKNUM(state->block) == rblock) {
+      /* This is the expected block.  Reset counters and ACK it. */
+      state->retries = 0;
+    }
+    else if(state->block == rblock) {
+      /* This is the last recently received block again. Log it and ACK it
+         again. */
+      infof(data, "Received last DATA packet block %d again.\n", rblock);
+    }
+    else {
+      /* totally unexpected, just log it */
+      infof(data,
+            "Received unexpected DATA packet block %d, expecting block %d\n",
+            rblock, NEXT_BLOCKNUM(state->block));
+      break;
+    }
+
+    /* ACK this block. */
+    state->block = (unsigned short)rblock;
+    setpacketevent(&state->spacket, TFTP_EVENT_ACK);
+    setpacketblock(&state->spacket, state->block);
+    sbytes = sendto(state->sockfd, (void *)state->spacket.data,
+                    4, SEND_4TH_ARG,
+                    (struct sockaddr *)&state->remote_addr,
+                    state->remote_addrlen);
+    if(sbytes < 0) {
+      failf(data, "%s", Curl_strerror(state->conn, SOCKERRNO));
+      return CURLE_SEND_ERROR;
+    }
+
+    /* Check if completed (That is, a less than full packet is received) */
+    if(state->rbytes < (ssize_t)state->blksize + 4) {
+      state->state = TFTP_STATE_FIN;
+    }
+    else {
+      state->state = TFTP_STATE_RX;
+    }
+    time(&state->rx_time);
+    break;
+
+  case TFTP_EVENT_OACK:
+    /* ACK option acknowledgement so we can move on to data */
+    state->block = 0;
+    state->retries = 0;
+    setpacketevent(&state->spacket, TFTP_EVENT_ACK);
+    setpacketblock(&state->spacket, state->block);
+    sbytes = sendto(state->sockfd, (void *)state->spacket.data,
+                    4, SEND_4TH_ARG,
+                    (struct sockaddr *)&state->remote_addr,
+                    state->remote_addrlen);
+    if(sbytes < 0) {
+      failf(data, "%s", Curl_strerror(state->conn, SOCKERRNO));
+      return CURLE_SEND_ERROR;
+    }
+
+    /* we're ready to RX data */
+    state->state = TFTP_STATE_RX;
+    time(&state->rx_time);
+    break;
+
+  case TFTP_EVENT_TIMEOUT:
+    /* Increment the retry count and fail if over the limit */
+    state->retries++;
+    infof(data,
+          "Timeout waiting for block %d ACK.  Retries = %d\n",
+          NEXT_BLOCKNUM(state->block), state->retries);
+    if(state->retries > state->retry_max) {
+      state->error = TFTP_ERR_TIMEOUT;
+      state->state = TFTP_STATE_FIN;
+    }
+    else {
+      /* Resend the previous ACK */
+      sbytes = sendto(state->sockfd, (void *)state->spacket.data,
+                      4, SEND_4TH_ARG,
+                      (struct sockaddr *)&state->remote_addr,
+                      state->remote_addrlen);
+      if(sbytes<0) {
+        failf(data, "%s", Curl_strerror(state->conn, SOCKERRNO));
+        return CURLE_SEND_ERROR;
+      }
+    }
+    break;
+
+  case TFTP_EVENT_ERROR:
+    setpacketevent(&state->spacket, TFTP_EVENT_ERROR);
+    setpacketblock(&state->spacket, state->block);
+    (void)sendto(state->sockfd, (void *)state->spacket.data,
+                 4, SEND_4TH_ARG,
+                 (struct sockaddr *)&state->remote_addr,
+                 state->remote_addrlen);
+    /* don't bother with the return code, but if the socket is still up we
+     * should be a good TFTP client and let the server know we're done */
+    state->state = TFTP_STATE_FIN;
+    break;
+
+  default:
+    failf(data, "%s", "tftp_rx: internal error");
+    return CURLE_TFTP_ILLEGAL; /* not really the perfect return code for
+                                  this */
+  }
+  return CURLE_OK;
+}
+
+/**********************************************************
+ *
+ * tftp_tx
+ *
+ * Event handler for the TX state
+ *
+ **********************************************************/
+static CURLcode tftp_tx(tftp_state_data_t *state, tftp_event_t event)
+{
+  struct Curl_easy *data = state->conn->data;
+  ssize_t sbytes;
+  CURLcode result = CURLE_OK;
+  struct SingleRequest *k = &data->req;
+  size_t cb; /* Bytes currently read */
+
+  switch(event) {
+
+  case TFTP_EVENT_ACK:
+  case TFTP_EVENT_OACK:
+    if(event == TFTP_EVENT_ACK) {
+      /* Ack the packet */
+      int rblock = getrpacketblock(&state->rpacket);
+
+      if(rblock != state->block &&
+         /* There's a bug in tftpd-hpa that causes it to send us an ack for
+          * 65535 when the block number wraps to 0. So when we're expecting
+          * 0, also accept 65535. See
+          * http://syslinux.zytor.com/archives/2010-September/015253.html
+          * */
+         !(state->block == 0 && rblock == 65535)) {
+        /* This isn't the expected block.  Log it and up the retry counter */
+        infof(data, "Received ACK for block %d, expecting %d\n",
+              rblock, state->block);
+        state->retries++;
+        /* Bail out if over the maximum */
+        if(state->retries>state->retry_max) {
+          failf(data, "tftp_tx: giving up waiting for block %d ack",
+                state->block);
+          result = CURLE_SEND_ERROR;
+        }
+        else {
+          /* Re-send the data packet */
+          sbytes = sendto(state->sockfd, (void *)state->spacket.data,
+                          4 + state->sbytes, SEND_4TH_ARG,
+                          (struct sockaddr *)&state->remote_addr,
+                          state->remote_addrlen);
+          /* Check all sbytes were sent */
+          if(sbytes<0) {
+            failf(data, "%s", Curl_strerror(state->conn, SOCKERRNO));
+            result = CURLE_SEND_ERROR;
+          }
+        }
+
+        return result;
+      }
+      /* This is the expected packet.  Reset the counters and send the next
+         block */
+      time(&state->rx_time);
+      state->block++;
+    }
+    else
+      state->block = 1; /* first data block is 1 when using OACK */
+
+    state->retries = 0;
+    setpacketevent(&state->spacket, TFTP_EVENT_DATA);
+    setpacketblock(&state->spacket, state->block);
+    if(state->block > 1 && state->sbytes < state->blksize) {
+      state->state = TFTP_STATE_FIN;
+      return CURLE_OK;
+    }
+
+    /* TFTP considers data block size < 512 bytes as an end of session. So
+     * in some cases we must wait for additional data to build full (512 bytes)
+     * data block.
+     * */
+    state->sbytes = 0;
+    state->conn->data->req.upload_fromhere = (char *)state->spacket.data + 4;
+    do {
+      result = Curl_fillreadbuffer(state->conn, state->blksize - state->sbytes,
+                                   &cb);
+      if(result)
+        return result;
+      state->sbytes += (int)cb;
+      state->conn->data->req.upload_fromhere += cb;
+    } while(state->sbytes < state->blksize && cb != 0);
+
+    sbytes = sendto(state->sockfd, (void *) state->spacket.data,
+                    4 + state->sbytes, SEND_4TH_ARG,
+                    (struct sockaddr *)&state->remote_addr,
+                    state->remote_addrlen);
+    /* Check all sbytes were sent */
+    if(sbytes<0) {
+      failf(data, "%s", Curl_strerror(state->conn, SOCKERRNO));
+      return CURLE_SEND_ERROR;
+    }
+    /* Update the progress meter */
+    k->writebytecount += state->sbytes;
+    Curl_pgrsSetUploadCounter(data, k->writebytecount);
+    break;
+
+  case TFTP_EVENT_TIMEOUT:
+    /* Increment the retry counter and log the timeout */
+    state->retries++;
+    infof(data, "Timeout waiting for block %d ACK. "
+          " Retries = %d\n", NEXT_BLOCKNUM(state->block), state->retries);
+    /* Decide if we've had enough */
+    if(state->retries > state->retry_max) {
+      state->error = TFTP_ERR_TIMEOUT;
+      state->state = TFTP_STATE_FIN;
+    }
+    else {
+      /* Re-send the data packet */
+      sbytes = sendto(state->sockfd, (void *)state->spacket.data,
+                      4 + state->sbytes, SEND_4TH_ARG,
+                      (struct sockaddr *)&state->remote_addr,
+                      state->remote_addrlen);
+      /* Check all sbytes were sent */
+      if(sbytes<0) {
+        failf(data, "%s", Curl_strerror(state->conn, SOCKERRNO));
+        return CURLE_SEND_ERROR;
+      }
+      /* since this was a re-send, we remain at the still byte position */
+      Curl_pgrsSetUploadCounter(data, k->writebytecount);
+    }
+    break;
+
+  case TFTP_EVENT_ERROR:
+    state->state = TFTP_STATE_FIN;
+    setpacketevent(&state->spacket, TFTP_EVENT_ERROR);
+    setpacketblock(&state->spacket, state->block);
+    (void)sendto(state->sockfd, (void *)state->spacket.data, 4, SEND_4TH_ARG,
+                 (struct sockaddr *)&state->remote_addr,
+                 state->remote_addrlen);
+    /* don't bother with the return code, but if the socket is still up we
+     * should be a good TFTP client and let the server know we're done */
+    state->state = TFTP_STATE_FIN;
+    break;
+
+  default:
+    failf(data, "tftp_tx: internal error, event: %i", (int)(event));
+    break;
+  }
+
+  return result;
+}
+
+/**********************************************************
+ *
+ * tftp_translate_code
+ *
+ * Translate internal error codes to CURL error codes
+ *
+ **********************************************************/
+static CURLcode tftp_translate_code(tftp_error_t error)
+{
+  CURLcode result = CURLE_OK;
+
+  if(error != TFTP_ERR_NONE) {
+    switch(error) {
+    case TFTP_ERR_NOTFOUND:
+      result = CURLE_TFTP_NOTFOUND;
+      break;
+    case TFTP_ERR_PERM:
+      result = CURLE_TFTP_PERM;
+      break;
+    case TFTP_ERR_DISKFULL:
+      result = CURLE_REMOTE_DISK_FULL;
+      break;
+    case TFTP_ERR_UNDEF:
+    case TFTP_ERR_ILLEGAL:
+      result = CURLE_TFTP_ILLEGAL;
+      break;
+    case TFTP_ERR_UNKNOWNID:
+      result = CURLE_TFTP_UNKNOWNID;
+      break;
+    case TFTP_ERR_EXISTS:
+      result = CURLE_REMOTE_FILE_EXISTS;
+      break;
+    case TFTP_ERR_NOSUCHUSER:
+      result = CURLE_TFTP_NOSUCHUSER;
+      break;
+    case TFTP_ERR_TIMEOUT:
+      result = CURLE_OPERATION_TIMEDOUT;
+      break;
+    case TFTP_ERR_NORESPONSE:
+      result = CURLE_COULDNT_CONNECT;
+      break;
+    default:
+      result = CURLE_ABORTED_BY_CALLBACK;
+      break;
+    }
+  }
+  else
+    result = CURLE_OK;
+
+  return result;
+}
+
+/**********************************************************
+ *
+ * tftp_state_machine
+ *
+ * The tftp state machine event dispatcher
+ *
+ **********************************************************/
+static CURLcode tftp_state_machine(tftp_state_data_t *state,
+                                   tftp_event_t event)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = state->conn->data;
+
+  switch(state->state) {
+  case TFTP_STATE_START:
+    DEBUGF(infof(data, "TFTP_STATE_START\n"));
+    result = tftp_send_first(state, event);
+    break;
+  case TFTP_STATE_RX:
+    DEBUGF(infof(data, "TFTP_STATE_RX\n"));
+    result = tftp_rx(state, event);
+    break;
+  case TFTP_STATE_TX:
+    DEBUGF(infof(data, "TFTP_STATE_TX\n"));
+    result = tftp_tx(state, event);
+    break;
+  case TFTP_STATE_FIN:
+    infof(data, "%s\n", "TFTP finished");
+    break;
+  default:
+    DEBUGF(infof(data, "STATE: %d\n", state->state));
+    failf(data, "%s", "Internal state machine error");
+    result = CURLE_TFTP_ILLEGAL;
+    break;
+  }
+
+  return result;
+}
+
+/**********************************************************
+ *
+ * tftp_disconnect
+ *
+ * The disconnect callback
+ *
+ **********************************************************/
+static CURLcode tftp_disconnect(struct connectdata *conn, bool dead_connection)
+{
+  tftp_state_data_t *state = conn->proto.tftpc;
+  (void) dead_connection;
+
+  /* done, free dynamically allocated pkt buffers */
+  if(state) {
+    Curl_safefree(state->rpacket.data);
+    Curl_safefree(state->spacket.data);
+    free(state);
+  }
+
+  return CURLE_OK;
+}
+
+/**********************************************************
+ *
+ * tftp_connect
+ *
+ * The connect callback
+ *
+ **********************************************************/
+static CURLcode tftp_connect(struct connectdata *conn, bool *done)
+{
+  tftp_state_data_t *state;
+  int blksize;
+
+  blksize = TFTP_BLKSIZE_DEFAULT;
+
+  state = conn->proto.tftpc = calloc(1, sizeof(tftp_state_data_t));
+  if(!state)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* alloc pkt buffers based on specified blksize */
+  if(conn->data->set.tftp_blksize) {
+    blksize = (int)conn->data->set.tftp_blksize;
+    if(blksize > TFTP_BLKSIZE_MAX || blksize < TFTP_BLKSIZE_MIN)
+      return CURLE_TFTP_ILLEGAL;
+  }
+
+  if(!state->rpacket.data) {
+    state->rpacket.data = calloc(1, blksize + 2 + 2);
+
+    if(!state->rpacket.data)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  if(!state->spacket.data) {
+    state->spacket.data = calloc(1, blksize + 2 + 2);
+
+    if(!state->spacket.data)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  /* we don't keep TFTP connections up basically because there's none or very
+   * little gain for UDP */
+  connclose(conn, "TFTP");
+
+  state->conn = conn;
+  state->sockfd = state->conn->sock[FIRSTSOCKET];
+  state->state = TFTP_STATE_START;
+  state->error = TFTP_ERR_NONE;
+  state->blksize = TFTP_BLKSIZE_DEFAULT;
+  state->requested_blksize = blksize;
+
+  ((struct sockaddr *)&state->local_addr)->sa_family =
+    (CURL_SA_FAMILY_T)(conn->ip_addr->ai_family);
+
+  tftp_set_timeouts(state);
+
+  if(!conn->bits.bound) {
+    /* If not already bound, bind to any interface, random UDP port. If it is
+     * reused or a custom local port was desired, this has already been done!
+     *
+     * We once used the size of the local_addr struct as the third argument
+     * for bind() to better work with IPv6 or whatever size the struct could
+     * have, but we learned that at least Tru64, AIX and IRIX *requires* the
+     * size of that argument to match the exact size of a 'sockaddr_in' struct
+     * when running IPv4-only.
+     *
+     * Therefore we use the size from the address we connected to, which we
+     * assume uses the same IP version and thus hopefully this works for both
+     * IPv4 and IPv6...
+     */
+    int rc = bind(state->sockfd, (struct sockaddr *)&state->local_addr,
+                  conn->ip_addr->ai_addrlen);
+    if(rc) {
+      failf(conn->data, "bind() failed; %s",
+            Curl_strerror(conn, SOCKERRNO));
+      return CURLE_COULDNT_CONNECT;
+    }
+    conn->bits.bound = TRUE;
+  }
+
+  Curl_pgrsStartNow(conn->data);
+
+  *done = TRUE;
+
+  return CURLE_OK;
+}
+
+/**********************************************************
+ *
+ * tftp_done
+ *
+ * The done callback
+ *
+ **********************************************************/
+static CURLcode tftp_done(struct connectdata *conn, CURLcode status,
+                          bool premature)
+{
+  CURLcode result = CURLE_OK;
+  tftp_state_data_t *state = (tftp_state_data_t *)conn->proto.tftpc;
+
+  (void)status; /* unused */
+  (void)premature; /* not used */
+
+  if(Curl_pgrsDone(conn))
+    return CURLE_ABORTED_BY_CALLBACK;
+
+  /* If we have encountered an error */
+  if(state)
+    result = tftp_translate_code(state->error);
+
+  return result;
+}
+
+/**********************************************************
+ *
+ * tftp_getsock
+ *
+ * The getsock callback
+ *
+ **********************************************************/
+static int tftp_getsock(struct connectdata *conn, curl_socket_t *socks,
+                        int numsocks)
+{
+  if(!numsocks)
+    return GETSOCK_BLANK;
+
+  socks[0] = conn->sock[FIRSTSOCKET];
+
+  return GETSOCK_READSOCK(0);
+}
+
+/**********************************************************
+ *
+ * tftp_receive_packet
+ *
+ * Called once select fires and data is ready on the socket
+ *
+ **********************************************************/
+static CURLcode tftp_receive_packet(struct connectdata *conn)
+{
+  struct Curl_sockaddr_storage fromaddr;
+  curl_socklen_t        fromlen;
+  CURLcode              result = CURLE_OK;
+  struct Curl_easy  *data = conn->data;
+  tftp_state_data_t     *state = (tftp_state_data_t *)conn->proto.tftpc;
+  struct SingleRequest  *k = &data->req;
+
+  /* Receive the packet */
+  fromlen = sizeof(fromaddr);
+  state->rbytes = (int)recvfrom(state->sockfd,
+                                (void *)state->rpacket.data,
+                                state->blksize + 4,
+                                0,
+                                (struct sockaddr *)&fromaddr,
+                                &fromlen);
+  if(state->remote_addrlen == 0) {
+    memcpy(&state->remote_addr, &fromaddr, fromlen);
+    state->remote_addrlen = fromlen;
+  }
+
+  /* Sanity check packet length */
+  if(state->rbytes < 4) {
+    failf(data, "Received too short packet");
+    /* Not a timeout, but how best to handle it? */
+    state->event = TFTP_EVENT_TIMEOUT;
+  }
+  else {
+    /* The event is given by the TFTP packet time */
+    unsigned short event = getrpacketevent(&state->rpacket);
+    state->event = (tftp_event_t)event;
+
+    switch(state->event) {
+    case TFTP_EVENT_DATA:
+      /* Don't pass to the client empty or retransmitted packets */
+      if(state->rbytes > 4 &&
+         (NEXT_BLOCKNUM(state->block) == getrpacketblock(&state->rpacket))) {
+        result = Curl_client_write(conn, CLIENTWRITE_BODY,
+                                   (char *)state->rpacket.data + 4,
+                                   state->rbytes-4);
+        if(result) {
+          tftp_state_machine(state, TFTP_EVENT_ERROR);
+          return result;
+        }
+        k->bytecount += state->rbytes-4;
+        Curl_pgrsSetDownloadCounter(data, (curl_off_t) k->bytecount);
+      }
+      break;
+    case TFTP_EVENT_ERROR:
+    {
+      unsigned short error = getrpacketblock(&state->rpacket);
+      char *str = (char *)state->rpacket.data + 4;
+      size_t strn = state->rbytes - 4;
+      state->error = (tftp_error_t)error;
+      if(Curl_strnlen(str, strn) < strn)
+        infof(data, "TFTP error: %s\n", str);
+      break;
+    }
+    case TFTP_EVENT_ACK:
+      break;
+    case TFTP_EVENT_OACK:
+      result = tftp_parse_option_ack(state,
+                                     (const char *)state->rpacket.data + 2,
+                                     state->rbytes-2);
+      if(result)
+        return result;
+      break;
+    case TFTP_EVENT_RRQ:
+    case TFTP_EVENT_WRQ:
+    default:
+      failf(data, "%s", "Internal error: Unexpected packet");
+      break;
+    }
+
+    /* Update the progress meter */
+    if(Curl_pgrsUpdate(conn)) {
+      tftp_state_machine(state, TFTP_EVENT_ERROR);
+      return CURLE_ABORTED_BY_CALLBACK;
+    }
+  }
+  return result;
+}
+
+/**********************************************************
+ *
+ * tftp_state_timeout
+ *
+ * Check if timeouts have been reached
+ *
+ **********************************************************/
+static long tftp_state_timeout(struct connectdata *conn, tftp_event_t *event)
+{
+  time_t                current;
+  tftp_state_data_t     *state = (tftp_state_data_t *)conn->proto.tftpc;
+
+  if(event)
+    *event = TFTP_EVENT_NONE;
+
+  time(&current);
+  if(current > state->max_time) {
+    DEBUGF(infof(conn->data, "timeout: %ld > %ld\n",
+                 (long)current, (long)state->max_time));
+    state->error = TFTP_ERR_TIMEOUT;
+    state->state = TFTP_STATE_FIN;
+    return 0;
+  }
+  if(current > state->rx_time + state->retry_time) {
+    if(event)
+      *event = TFTP_EVENT_TIMEOUT;
+    time(&state->rx_time); /* update even though we received nothing */
+  }
+
+  /* there's a typecast below here since 'time_t' may in fact be larger than
+     'long', but we estimate that a 'long' will still be able to hold number
+     of seconds even if "only" 32 bit */
+  return (long)(state->max_time - current);
+}
+
+/**********************************************************
+ *
+ * tftp_multi_statemach
+ *
+ * Handle single RX socket event and return
+ *
+ **********************************************************/
+static CURLcode tftp_multi_statemach(struct connectdata *conn, bool *done)
+{
+  tftp_event_t          event;
+  CURLcode              result = CURLE_OK;
+  struct Curl_easy  *data = conn->data;
+  tftp_state_data_t     *state = (tftp_state_data_t *)conn->proto.tftpc;
+  long                  timeout_ms = tftp_state_timeout(conn, &event);
+
+  *done = FALSE;
+
+  if(timeout_ms <= 0) {
+    failf(data, "TFTP response timeout");
+    return CURLE_OPERATION_TIMEDOUT;
+  }
+  if(event != TFTP_EVENT_NONE) {
+    result = tftp_state_machine(state, event);
+    if(result)
+      return result;
+    *done = (state->state == TFTP_STATE_FIN) ? TRUE : FALSE;
+    if(*done)
+      /* Tell curl we're done */
+      Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
+  }
+  else {
+    /* no timeouts to handle, check our socket */
+    int rc = SOCKET_READABLE(state->sockfd, 0);
+
+    if(rc == -1) {
+      /* bail out */
+      int error = SOCKERRNO;
+      failf(data, "%s", Curl_strerror(conn, error));
+      state->event = TFTP_EVENT_ERROR;
+    }
+    else if(rc != 0) {
+      result = tftp_receive_packet(conn);
+      if(result)
+        return result;
+      result = tftp_state_machine(state, state->event);
+      if(result)
+        return result;
+      *done = (state->state == TFTP_STATE_FIN) ? TRUE : FALSE;
+      if(*done)
+        /* Tell curl we're done */
+        Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
+    }
+    /* if rc == 0, then select() timed out */
+  }
+
+  return result;
+}
+
+/**********************************************************
+ *
+ * tftp_doing
+ *
+ * Called from multi.c while DOing
+ *
+ **********************************************************/
+static CURLcode tftp_doing(struct connectdata *conn, bool *dophase_done)
+{
+  CURLcode result;
+  result = tftp_multi_statemach(conn, dophase_done);
+
+  if(*dophase_done) {
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+  }
+  else if(!result) {
+    /* The multi code doesn't have this logic for the DOING state so we
+       provide it for TFTP since it may do the entire transfer in this
+       state. */
+    if(Curl_pgrsUpdate(conn))
+      result = CURLE_ABORTED_BY_CALLBACK;
+    else
+      result = Curl_speedcheck(conn->data, Curl_now());
+  }
+  return result;
+}
+
+/**********************************************************
+ *
+ * tftp_peform
+ *
+ * Entry point for transfer from tftp_do, sarts state mach
+ *
+ **********************************************************/
+static CURLcode tftp_perform(struct connectdata *conn, bool *dophase_done)
+{
+  CURLcode              result = CURLE_OK;
+  tftp_state_data_t     *state = (tftp_state_data_t *)conn->proto.tftpc;
+
+  *dophase_done = FALSE;
+
+  result = tftp_state_machine(state, TFTP_EVENT_INIT);
+
+  if((state->state == TFTP_STATE_FIN) || result)
+    return result;
+
+  tftp_multi_statemach(conn, dophase_done);
+
+  if(*dophase_done)
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+
+  return result;
+}
+
+
+/**********************************************************
+ *
+ * tftp_do
+ *
+ * The do callback
+ *
+ * This callback initiates the TFTP transfer
+ *
+ **********************************************************/
+
+static CURLcode tftp_do(struct connectdata *conn, bool *done)
+{
+  tftp_state_data_t *state;
+  CURLcode result;
+
+  *done = FALSE;
+
+  if(!conn->proto.tftpc) {
+    result = tftp_connect(conn, done);
+    if(result)
+      return result;
+  }
+
+  state = (tftp_state_data_t *)conn->proto.tftpc;
+  if(!state)
+    return CURLE_TFTP_ILLEGAL;
+
+  result = tftp_perform(conn, done);
+
+  /* If tftp_perform() returned an error, use that for return code. If it
+     was OK, see if tftp_translate_code() has an error. */
+  if(!result)
+    /* If we have encountered an internal tftp error, translate it. */
+    result = tftp_translate_code(state->error);
+
+  return result;
+}
+
+static CURLcode tftp_setup_connection(struct connectdata * conn)
+{
+  struct Curl_easy *data = conn->data;
+  char *type;
+
+  conn->socktype = SOCK_DGRAM;   /* UDP datagram based */
+
+  /* TFTP URLs support an extension like ";mode=<typecode>" that
+   * we'll try to get now! */
+  type = strstr(data->state.up.path, ";mode=");
+
+  if(!type)
+    type = strstr(conn->host.rawalloc, ";mode=");
+
+  if(type) {
+    char command;
+    *type = 0;                   /* it was in the middle of the hostname */
+    command = Curl_raw_toupper(type[6]);
+
+    switch(command) {
+    case 'A': /* ASCII mode */
+    case 'N': /* NETASCII mode */
+      data->set.prefer_ascii = TRUE;
+      break;
+
+    case 'O': /* octet mode */
+    case 'I': /* binary mode */
+    default:
+      /* switch off ASCII */
+      data->set.prefer_ascii = FALSE;
+      break;
+    }
+  }
+
+  return CURLE_OK;
+}
+#endif
Index: trunk/src/libs/curl-7.64.0/lib/tftp.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/tftp.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/tftp.h	(revision 85671)
@@ -0,0 +1,28 @@
+#ifndef HEADER_CURL_TFTP_H
+#define HEADER_CURL_TFTP_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#ifndef CURL_DISABLE_TFTP
+extern const struct Curl_handler Curl_handler_tftp;
+#endif
+
+#endif /* HEADER_CURL_TFTP_H */
Index: trunk/src/libs/curl-7.64.0/lib/timeval.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/timeval.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/timeval.c	(revision 85671)
@@ -0,0 +1,219 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "timeval.h"
+#include "system_win32.h"
+
+#if defined(WIN32) && !defined(MSDOS)
+
+struct curltime Curl_now(void)
+{
+  struct curltime now;
+  static LARGE_INTEGER freq;
+  static int isVistaOrGreater = -1;
+  if(isVistaOrGreater == -1) {
+    if(Curl_verify_windows_version(6, 0, PLATFORM_WINNT,
+                                   VERSION_GREATER_THAN_EQUAL)) {
+      isVistaOrGreater = 1;
+      QueryPerformanceFrequency(&freq);
+    }
+    else
+      isVistaOrGreater = 0;
+  }
+  if(isVistaOrGreater == 1) { /* QPC timer might have issues pre-Vista */
+    LARGE_INTEGER count;
+    QueryPerformanceCounter(&count);
+    now.tv_sec = (time_t)(count.QuadPart / freq.QuadPart);
+    now.tv_usec =
+      (int)((count.QuadPart % freq.QuadPart) * 1000000 / freq.QuadPart);
+  }
+  else {
+    /* Disable /analyze warning that GetTickCount64 is preferred  */
+#if defined(_MSC_VER)
+#pragma warning(push)
+#pragma warning(disable:28159)
+#endif
+    DWORD milliseconds = GetTickCount();
+#if defined(_MSC_VER)
+#pragma warning(pop)
+#endif
+
+    now.tv_sec = milliseconds / 1000;
+    now.tv_usec = (milliseconds % 1000) * 1000;
+  }
+  return now;
+}
+
+#elif defined(HAVE_CLOCK_GETTIME_MONOTONIC)
+
+struct curltime Curl_now(void)
+{
+  /*
+  ** clock_gettime() is granted to be increased monotonically when the
+  ** monotonic clock is queried. Time starting point is unspecified, it
+  ** could be the system start-up time, the Epoch, or something else,
+  ** in any case the time starting point does not change once that the
+  ** system has started up.
+  */
+  struct timeval now;
+  struct curltime cnow;
+  struct timespec tsnow;
+
+  /*
+  ** clock_gettime() may be defined by Apple's SDK as weak symbol thus
+  ** code compiles but fails during run-time if clock_gettime() is
+  ** called on unsupported OS version.
+  */
+#if defined(__APPLE__) && (HAVE_BUILTIN_AVAILABLE == 1)
+  bool have_clock_gettime = FALSE;
+  if(__builtin_available(macOS 10.12, iOS 10, tvOS 10, watchOS 3, *))
+    have_clock_gettime = TRUE;
+#endif
+
+  if(
+#if defined(__APPLE__) && (HAVE_BUILTIN_AVAILABLE == 1)
+    have_clock_gettime &&
+#endif
+    (0 == clock_gettime(CLOCK_MONOTONIC, &tsnow))) {
+    cnow.tv_sec = tsnow.tv_sec;
+    cnow.tv_usec = (unsigned int)(tsnow.tv_nsec / 1000);
+  }
+  /*
+  ** Even when the configure process has truly detected monotonic clock
+  ** availability, it might happen that it is not actually available at
+  ** run-time. When this occurs simply fallback to other time source.
+  */
+#ifdef HAVE_GETTIMEOFDAY
+  else {
+    (void)gettimeofday(&now, NULL);
+    cnow.tv_sec = now.tv_sec;
+    cnow.tv_usec = (unsigned int)now.tv_usec;
+  }
+#else
+  else {
+    cnow.tv_sec = time(NULL);
+    cnow.tv_usec = 0;
+  }
+#endif
+  return cnow;
+}
+
+#elif defined(HAVE_MACH_ABSOLUTE_TIME)
+
+#include <stdint.h>
+#include <mach/mach_time.h>
+
+struct curltime Curl_now(void)
+{
+  /*
+  ** Monotonic timer on Mac OS is provided by mach_absolute_time(), which
+  ** returns time in Mach "absolute time units," which are platform-dependent.
+  ** To convert to nanoseconds, one must use conversion factors specified by
+  ** mach_timebase_info().
+  */
+  static mach_timebase_info_data_t timebase;
+  struct curltime cnow;
+  uint64_t usecs;
+
+  if(0 == timebase.denom)
+    (void) mach_timebase_info(&timebase);
+
+  usecs = mach_absolute_time();
+  usecs *= timebase.numer;
+  usecs /= timebase.denom;
+  usecs /= 1000;
+
+  cnow.tv_sec = usecs / 1000000;
+  cnow.tv_usec = (int)(usecs % 1000000);
+
+  return cnow;
+}
+
+#elif defined(HAVE_GETTIMEOFDAY)
+
+struct curltime Curl_now(void)
+{
+  /*
+  ** gettimeofday() is not granted to be increased monotonically, due to
+  ** clock drifting and external source time synchronization it can jump
+  ** forward or backward in time.
+  */
+  struct timeval now;
+  struct curltime ret;
+  (void)gettimeofday(&now, NULL);
+  ret.tv_sec = now.tv_sec;
+  ret.tv_usec = (int)now.tv_usec;
+  return ret;
+}
+
+#else
+
+struct curltime Curl_now(void)
+{
+  /*
+  ** time() returns the value of time in seconds since the Epoch.
+  */
+  struct curltime now;
+  now.tv_sec = time(NULL);
+  now.tv_usec = 0;
+  return now;
+}
+
+#endif
+
+#if SIZEOF_TIME_T < 8
+#define TIME_MAX INT_MAX
+#define TIME_MIN INT_MIN
+#else
+#define TIME_MAX 9223372036854775807LL
+#define TIME_MIN -9223372036854775807LL
+#endif
+
+/*
+ * Returns: time difference in number of milliseconds. For too large diffs it
+ * returns max value.
+ *
+ * @unittest: 1323
+ */
+timediff_t Curl_timediff(struct curltime newer, struct curltime older)
+{
+  timediff_t diff = (timediff_t)newer.tv_sec-older.tv_sec;
+  if(diff >= (TIME_MAX/1000))
+    return TIME_MAX;
+  else if(diff <= (TIME_MIN/1000))
+    return TIME_MIN;
+  return diff * 1000 + (newer.tv_usec-older.tv_usec)/1000;
+}
+
+/*
+ * Returns: time difference in number of microseconds. For too large diffs it
+ * returns max value.
+ */
+timediff_t Curl_timediff_us(struct curltime newer, struct curltime older)
+{
+  timediff_t diff = (timediff_t)newer.tv_sec-older.tv_sec;
+  if(diff >= (TIME_MAX/1000000))
+    return TIME_MAX;
+  else if(diff <= (TIME_MIN/1000000))
+    return TIME_MIN;
+  return diff * 1000000 + newer.tv_usec-older.tv_usec;
+}
Index: trunk/src/libs/curl-7.64.0/lib/timeval.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/timeval.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/timeval.h	(revision 85671)
@@ -0,0 +1,58 @@
+#ifndef HEADER_CURL_TIMEVAL_H
+#define HEADER_CURL_TIMEVAL_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if SIZEOF_TIME_T < 8
+typedef int timediff_t;
+#define CURL_FORMAT_TIMEDIFF_T "d"
+#else
+typedef curl_off_t timediff_t;
+#define CURL_FORMAT_TIMEDIFF_T CURL_FORMAT_CURL_OFF_T
+#endif
+
+struct curltime {
+  time_t tv_sec; /* seconds */
+  int tv_usec;   /* microseconds */
+};
+
+struct curltime Curl_now(void);
+
+/*
+ * Make sure that the first argument (t1) is the more recent time and t2 is
+ * the older time, as otherwise you get a weird negative time-diff back...
+ *
+ * Returns: the time difference in number of milliseconds.
+ */
+timediff_t Curl_timediff(struct curltime t1, struct curltime t2);
+
+/*
+ * Make sure that the first argument (t1) is the more recent time and t2 is
+ * the older time, as otherwise you get a weird negative time-diff back...
+ *
+ * Returns: the time difference in number of microseconds.
+ */
+timediff_t Curl_timediff_us(struct curltime newer, struct curltime older);
+
+#endif /* HEADER_CURL_TIMEVAL_H */
Index: trunk/src/libs/curl-7.64.0/lib/transfer.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/transfer.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/transfer.c	(revision 85671)
@@ -0,0 +1,1962 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+#include "strtoofft.h"
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_NET_IF_H
+#include <net/if.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+#ifdef HAVE_SIGNAL_H
+#include <signal.h>
+#endif
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+
+#ifndef HAVE_SOCKET
+#error "We can't compile without socket() support!"
+#endif
+
+#include "urldata.h"
+#include <curl/curl.h>
+#include "netrc.h"
+
+#include "content_encoding.h"
+#include "hostip.h"
+#include "transfer.h"
+#include "sendf.h"
+#include "speedcheck.h"
+#include "progress.h"
+#include "http.h"
+#include "url.h"
+#include "getinfo.h"
+#include "vtls/vtls.h"
+#include "select.h"
+#include "multiif.h"
+#include "connect.h"
+#include "non-ascii.h"
+#include "http2.h"
+#include "mime.h"
+#include "strcase.h"
+#include "urlapi-int.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#if !defined(CURL_DISABLE_HTTP) || !defined(CURL_DISABLE_SMTP) || \
+    !defined(CURL_DISABLE_IMAP)
+/*
+ * checkheaders() checks the linked list of custom headers for a
+ * particular header (prefix). Provide the prefix without colon!
+ *
+ * Returns a pointer to the first matching header or NULL if none matched.
+ */
+char *Curl_checkheaders(const struct connectdata *conn,
+                        const char *thisheader)
+{
+  struct curl_slist *head;
+  size_t thislen = strlen(thisheader);
+  struct Curl_easy *data = conn->data;
+
+  for(head = data->set.headers; head; head = head->next) {
+    if(strncasecompare(head->data, thisheader, thislen) &&
+       Curl_headersep(head->data[thislen]) )
+      return head->data;
+  }
+
+  return NULL;
+}
+#endif
+
+CURLcode Curl_get_upload_buffer(struct Curl_easy *data)
+{
+  if(!data->state.ulbuf) {
+    data->state.ulbuf = malloc(data->set.upload_buffer_size);
+    if(!data->state.ulbuf)
+      return CURLE_OUT_OF_MEMORY;
+  }
+  return CURLE_OK;
+}
+
+#ifndef CURL_DISABLE_HTTP
+/*
+ * This function will be called to loop through the trailers buffer
+ * until no more data is available for sending.
+ */
+static size_t Curl_trailers_read(char *buffer, size_t size, size_t nitems,
+                                 void *raw)
+{
+  struct Curl_easy *data = (struct Curl_easy *)raw;
+  Curl_send_buffer *trailers_buf = data->state.trailers_buf;
+  size_t bytes_left = trailers_buf->size_used-data->state.trailers_bytes_sent;
+  size_t to_copy = (size*nitems < bytes_left) ? size*nitems : bytes_left;
+  if(to_copy) {
+    memcpy(buffer,
+           &trailers_buf->buffer[data->state.trailers_bytes_sent],
+           to_copy);
+    data->state.trailers_bytes_sent += to_copy;
+  }
+  return to_copy;
+}
+
+static size_t Curl_trailers_left(void *raw)
+{
+  struct Curl_easy *data = (struct Curl_easy *)raw;
+  Curl_send_buffer *trailers_buf = data->state.trailers_buf;
+  return trailers_buf->size_used - data->state.trailers_bytes_sent;
+}
+#endif
+
+/*
+ * This function will call the read callback to fill our buffer with data
+ * to upload.
+ */
+CURLcode Curl_fillreadbuffer(struct connectdata *conn, size_t bytes,
+                             size_t *nreadp)
+{
+  struct Curl_easy *data = conn->data;
+  size_t buffersize = bytes;
+  size_t nread;
+
+#ifndef CURL_DISABLE_HTTP
+  struct curl_slist *trailers = NULL;
+  CURLcode c;
+  int trailers_ret_code;
+#endif
+
+  curl_read_callback readfunc = NULL;
+  void *extra_data = NULL;
+  bool added_crlf = FALSE;
+
+#ifdef CURL_DOES_CONVERSIONS
+  bool sending_http_headers = FALSE;
+
+  if(conn->handler->protocol&(PROTO_FAMILY_HTTP|CURLPROTO_RTSP)) {
+    const struct HTTP *http = data->req.protop;
+
+    if(http->sending == HTTPSEND_REQUEST)
+      /* We're sending the HTTP request headers, not the data.
+         Remember that so we don't re-translate them into garbage. */
+      sending_http_headers = TRUE;
+  }
+#endif
+
+#ifndef CURL_DISABLE_HTTP
+  if(data->state.trailers_state == TRAILERS_INITIALIZED) {
+    /* at this point we already verified that the callback exists
+       so we compile and store the trailers buffer, then proceed */
+    infof(data,
+          "Moving trailers state machine from initialized to sending.\n");
+    data->state.trailers_state = TRAILERS_SENDING;
+    data->state.trailers_buf = Curl_add_buffer_init();
+    if(!data->state.trailers_buf) {
+      failf(data, "Unable to allocate trailing headers buffer !");
+      return CURLE_OUT_OF_MEMORY;
+    }
+    data->state.trailers_bytes_sent = 0;
+    Curl_set_in_callback(data, true);
+    trailers_ret_code = data->set.trailer_callback(&trailers,
+                                                   data->set.trailer_data);
+    Curl_set_in_callback(data, false);
+    if(trailers_ret_code == CURL_TRAILERFUNC_OK) {
+      c = Curl_http_compile_trailers(trailers, data->state.trailers_buf, data);
+    }
+    else {
+      failf(data, "operation aborted by trailing headers callback");
+      *nreadp = 0;
+      c = CURLE_ABORTED_BY_CALLBACK;
+    }
+    if(c != CURLE_OK) {
+      Curl_add_buffer_free(&data->state.trailers_buf);
+      curl_slist_free_all(trailers);
+      return c;
+    }
+    infof(data, "Successfully compiled trailers.\r\n");
+    curl_slist_free_all(trailers);
+  }
+#endif
+
+  /* if we are transmitting trailing data, we don't need to write
+     a chunk size so we skip this */
+  if(data->req.upload_chunky &&
+     data->state.trailers_state == TRAILERS_NONE) {
+    /* if chunked Transfer-Encoding */
+    buffersize -= (8 + 2 + 2);   /* 32bit hex + CRLF + CRLF */
+    data->req.upload_fromhere += (8 + 2); /* 32bit hex + CRLF */
+  }
+
+#ifndef CURL_DISABLE_HTTP
+  if(data->state.trailers_state == TRAILERS_SENDING) {
+    /* if we're here then that means that we already sent the last empty chunk
+       but we didn't send a final CR LF, so we sent 0 CR LF. We then start
+       pulling trailing data until we ²have no more at which point we
+       simply return to the previous point in the state machine as if
+       nothing happened.
+       */
+    readfunc = Curl_trailers_read;
+    extra_data = (void *)data;
+  }
+  else
+#endif
+  {
+    readfunc = data->state.fread_func;
+    extra_data = data->state.in;
+  }
+
+  Curl_set_in_callback(data, true);
+  nread = readfunc(data->req.upload_fromhere, 1,
+                   buffersize, extra_data);
+  Curl_set_in_callback(data, false);
+
+  if(nread == CURL_READFUNC_ABORT) {
+    failf(data, "operation aborted by callback");
+    *nreadp = 0;
+    return CURLE_ABORTED_BY_CALLBACK;
+  }
+  if(nread == CURL_READFUNC_PAUSE) {
+    struct SingleRequest *k = &data->req;
+
+    if(conn->handler->flags & PROTOPT_NONETWORK) {
+      /* protocols that work without network cannot be paused. This is
+         actually only FILE:// just now, and it can't pause since the transfer
+         isn't done using the "normal" procedure. */
+      failf(data, "Read callback asked for PAUSE when not supported!");
+      return CURLE_READ_ERROR;
+    }
+
+    /* CURL_READFUNC_PAUSE pauses read callbacks that feed socket writes */
+    k->keepon |= KEEP_SEND_PAUSE; /* mark socket send as paused */
+    if(data->req.upload_chunky) {
+        /* Back out the preallocation done above */
+      data->req.upload_fromhere -= (8 + 2);
+    }
+    *nreadp = 0;
+
+    return CURLE_OK; /* nothing was read */
+  }
+  else if(nread > buffersize) {
+    /* the read function returned a too large value */
+    *nreadp = 0;
+    failf(data, "read function returned funny value");
+    return CURLE_READ_ERROR;
+  }
+
+  if(!data->req.forbidchunk && data->req.upload_chunky) {
+    /* if chunked Transfer-Encoding
+     *    build chunk:
+     *
+     *        <HEX SIZE> CRLF
+     *        <DATA> CRLF
+     */
+    /* On non-ASCII platforms the <DATA> may or may not be
+       translated based on set.prefer_ascii while the protocol
+       portion must always be translated to the network encoding.
+       To further complicate matters, line end conversion might be
+       done later on, so we need to prevent CRLFs from becoming
+       CRCRLFs if that's the case.  To do this we use bare LFs
+       here, knowing they'll become CRLFs later on.
+     */
+
+    char hexbuffer[11];
+    const char *endofline_native;
+    const char *endofline_network;
+    int hexlen = 0;
+
+    if(
+#ifdef CURL_DO_LINEEND_CONV
+       (data->set.prefer_ascii) ||
+#endif
+       (data->set.crlf)) {
+      /* \n will become \r\n later on */
+      endofline_native  = "\n";
+      endofline_network = "\x0a";
+    }
+    else {
+      endofline_native  = "\r\n";
+      endofline_network = "\x0d\x0a";
+    }
+
+    /* if we're not handling trailing data, proceed as usual */
+    if(data->state.trailers_state != TRAILERS_SENDING) {
+      hexlen = msnprintf(hexbuffer, sizeof(hexbuffer),
+                         "%zx%s", nread, endofline_native);
+
+      /* move buffer pointer */
+      data->req.upload_fromhere -= hexlen;
+      nread += hexlen;
+
+      /* copy the prefix to the buffer, leaving out the NUL */
+      memcpy(data->req.upload_fromhere, hexbuffer, hexlen);
+
+      /* always append ASCII CRLF to the data unless
+         we have a valid trailer callback */
+#ifndef CURL_DISABLE_HTTP
+      if((nread-hexlen) == 0 &&
+          data->set.trailer_callback != NULL &&
+          data->state.trailers_state == TRAILERS_NONE) {
+        data->state.trailers_state = TRAILERS_INITIALIZED;
+      }
+      else
+#endif
+      {
+        memcpy(data->req.upload_fromhere + nread,
+               endofline_network,
+               strlen(endofline_network));
+        added_crlf = TRUE;
+      }
+    }
+
+#ifdef CURL_DOES_CONVERSIONS
+    {
+      CURLcode result;
+      size_t length;
+      if(data->set.prefer_ascii)
+        /* translate the protocol and data */
+        length = nread;
+      else
+        /* just translate the protocol portion */
+        length = strlen(hexbuffer);
+      result = Curl_convert_to_network(data, data->req.upload_fromhere,
+                                       length);
+      /* Curl_convert_to_network calls failf if unsuccessful */
+      if(result)
+        return result;
+    }
+#endif /* CURL_DOES_CONVERSIONS */
+
+#ifndef CURL_DISABLE_HTTP
+    if(data->state.trailers_state == TRAILERS_SENDING &&
+       !Curl_trailers_left(data)) {
+      Curl_add_buffer_free(&data->state.trailers_buf);
+      data->state.trailers_state = TRAILERS_DONE;
+      data->set.trailer_data = NULL;
+      data->set.trailer_callback = NULL;
+      /* mark the transfer as done */
+      data->req.upload_done = TRUE;
+      infof(data, "Signaling end of chunked upload after trailers.\n");
+    }
+    else
+#endif
+      if((nread - hexlen) == 0 &&
+         data->state.trailers_state != TRAILERS_INITIALIZED) {
+        /* mark this as done once this chunk is transferred */
+        data->req.upload_done = TRUE;
+        infof(data,
+              "Signaling end of chunked upload via terminating chunk.\n");
+      }
+
+    if(added_crlf)
+      nread += strlen(endofline_network); /* for the added end of line */
+  }
+#ifdef CURL_DOES_CONVERSIONS
+  else if((data->set.prefer_ascii) && (!sending_http_headers)) {
+    CURLcode result;
+    result = Curl_convert_to_network(data, data->req.upload_fromhere, nread);
+    /* Curl_convert_to_network calls failf if unsuccessful */
+    if(result)
+      return result;
+  }
+#endif /* CURL_DOES_CONVERSIONS */
+
+  *nreadp = nread;
+
+  return CURLE_OK;
+}
+
+
+/*
+ * Curl_readrewind() rewinds the read stream. This is typically used for HTTP
+ * POST/PUT with multi-pass authentication when a sending was denied and a
+ * resend is necessary.
+ */
+CURLcode Curl_readrewind(struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+  curl_mimepart *mimepart = &data->set.mimepost;
+
+  conn->bits.rewindaftersend = FALSE; /* we rewind now */
+
+  /* explicitly switch off sending data on this connection now since we are
+     about to restart a new transfer and thus we want to avoid inadvertently
+     sending more data on the existing connection until the next transfer
+     starts */
+  data->req.keepon &= ~KEEP_SEND;
+
+  /* We have sent away data. If not using CURLOPT_POSTFIELDS or
+     CURLOPT_HTTPPOST, call app to rewind
+  */
+  if(conn->handler->protocol & PROTO_FAMILY_HTTP) {
+    struct HTTP *http = data->req.protop;
+
+    if(http->sendit)
+      mimepart = http->sendit;
+  }
+  if(data->set.postfields)
+    ; /* do nothing */
+  else if(data->set.httpreq == HTTPREQ_POST_MIME ||
+          data->set.httpreq == HTTPREQ_POST_FORM) {
+    if(Curl_mime_rewind(mimepart)) {
+      failf(data, "Cannot rewind mime/post data");
+      return CURLE_SEND_FAIL_REWIND;
+    }
+  }
+  else {
+    if(data->set.seek_func) {
+      int err;
+
+      Curl_set_in_callback(data, true);
+      err = (data->set.seek_func)(data->set.seek_client, 0, SEEK_SET);
+      Curl_set_in_callback(data, false);
+      if(err) {
+        failf(data, "seek callback returned error %d", (int)err);
+        return CURLE_SEND_FAIL_REWIND;
+      }
+    }
+    else if(data->set.ioctl_func) {
+      curlioerr err;
+
+      Curl_set_in_callback(data, true);
+      err = (data->set.ioctl_func)(data, CURLIOCMD_RESTARTREAD,
+                                   data->set.ioctl_client);
+      Curl_set_in_callback(data, false);
+      infof(data, "the ioctl callback returned %d\n", (int)err);
+
+      if(err) {
+        /* FIXME: convert to a human readable error message */
+        failf(data, "ioctl callback returned error %d", (int)err);
+        return CURLE_SEND_FAIL_REWIND;
+      }
+    }
+    else {
+      /* If no CURLOPT_READFUNCTION is used, we know that we operate on a
+         given FILE * stream and we can actually attempt to rewind that
+         ourselves with fseek() */
+      if(data->state.fread_func == (curl_read_callback)fread) {
+        if(-1 != fseek(data->state.in, 0, SEEK_SET))
+          /* successful rewind */
+          return CURLE_OK;
+      }
+
+      /* no callback set or failure above, makes us fail at once */
+      failf(data, "necessary data rewind wasn't possible");
+      return CURLE_SEND_FAIL_REWIND;
+    }
+  }
+  return CURLE_OK;
+}
+
+static int data_pending(const struct connectdata *conn)
+{
+  /* in the case of libssh2, we can never be really sure that we have emptied
+     its internal buffers so we MUST always try until we get EAGAIN back */
+  return conn->handler->protocol&(CURLPROTO_SCP|CURLPROTO_SFTP) ||
+#if defined(USE_NGHTTP2)
+    Curl_ssl_data_pending(conn, FIRSTSOCKET) ||
+    /* For HTTP/2, we may read up everything including response body
+       with header fields in Curl_http_readwrite_headers. If no
+       content-length is provided, curl waits for the connection
+       close, which we emulate it using conn->proto.httpc.closed =
+       TRUE. The thing is if we read everything, then http2_recv won't
+       be called and we cannot signal the HTTP/2 stream has closed. As
+       a workaround, we return nonzero here to call http2_recv. */
+    ((conn->handler->protocol&PROTO_FAMILY_HTTP) && conn->httpversion == 20);
+#else
+    Curl_ssl_data_pending(conn, FIRSTSOCKET);
+#endif
+}
+
+static void read_rewind(struct connectdata *conn,
+                        size_t thismuch)
+{
+  DEBUGASSERT(conn->read_pos >= thismuch);
+
+  conn->read_pos -= thismuch;
+  conn->bits.stream_was_rewound = TRUE;
+
+#ifdef DEBUGBUILD
+  {
+    char buf[512 + 1];
+    size_t show;
+
+    show = CURLMIN(conn->buf_len - conn->read_pos, sizeof(buf)-1);
+    if(conn->master_buffer) {
+      memcpy(buf, conn->master_buffer + conn->read_pos, show);
+      buf[show] = '\0';
+    }
+    else {
+      buf[0] = '\0';
+    }
+
+    DEBUGF(infof(conn->data,
+                 "Buffer after stream rewind (read_pos = %zu): [%s]\n",
+                 conn->read_pos, buf));
+  }
+#endif
+}
+
+/*
+ * Check to see if CURLOPT_TIMECONDITION was met by comparing the time of the
+ * remote document with the time provided by CURLOPT_TIMEVAL
+ */
+bool Curl_meets_timecondition(struct Curl_easy *data, time_t timeofdoc)
+{
+  if((timeofdoc == 0) || (data->set.timevalue == 0))
+    return TRUE;
+
+  switch(data->set.timecondition) {
+  case CURL_TIMECOND_IFMODSINCE:
+  default:
+    if(timeofdoc <= data->set.timevalue) {
+      infof(data,
+            "The requested document is not new enough\n");
+      data->info.timecond = TRUE;
+      return FALSE;
+    }
+    break;
+  case CURL_TIMECOND_IFUNMODSINCE:
+    if(timeofdoc >= data->set.timevalue) {
+      infof(data,
+            "The requested document is not old enough\n");
+      data->info.timecond = TRUE;
+      return FALSE;
+    }
+    break;
+  }
+
+  return TRUE;
+}
+
+/*
+ * Go ahead and do a read if we have a readable socket or if
+ * the stream was rewound (in which case we have data in a
+ * buffer)
+ *
+ * return '*comeback' TRUE if we didn't properly drain the socket so this
+ * function should get called again without select() or similar in between!
+ */
+static CURLcode readwrite_data(struct Curl_easy *data,
+                               struct connectdata *conn,
+                               struct SingleRequest *k,
+                               int *didwhat, bool *done,
+                               bool *comeback)
+{
+  CURLcode result = CURLE_OK;
+  ssize_t nread; /* number of bytes read */
+  size_t excess = 0; /* excess bytes read */
+  bool readmore = FALSE; /* used by RTP to signal for more data */
+  int maxloops = 100;
+
+  *done = FALSE;
+  *comeback = FALSE;
+
+  /* This is where we loop until we have read everything there is to
+     read or we get a CURLE_AGAIN */
+  do {
+    bool is_empty_data = FALSE;
+    size_t buffersize = data->set.buffer_size;
+    size_t bytestoread = buffersize;
+
+    if(
+#if defined(USE_NGHTTP2)
+       /* For HTTP/2, read data without caring about the content
+          length. This is safe because body in HTTP/2 is always
+          segmented thanks to its framing layer. Meanwhile, we have to
+          call Curl_read to ensure that http2_handle_stream_close is
+          called when we read all incoming bytes for a particular
+          stream. */
+       !((conn->handler->protocol & PROTO_FAMILY_HTTP) &&
+         conn->httpversion == 20) &&
+#endif
+       k->size != -1 && !k->header) {
+      /* make sure we don't read "too much" if we can help it since we
+         might be pipelining and then someone else might want to read what
+         follows! */
+      curl_off_t totalleft = k->size - k->bytecount;
+      if(totalleft < (curl_off_t)bytestoread)
+        bytestoread = (size_t)totalleft;
+    }
+
+    if(bytestoread) {
+      /* receive data from the network! */
+      result = Curl_read(conn, conn->sockfd, k->buf, bytestoread, &nread);
+
+      /* read would've blocked */
+      if(CURLE_AGAIN == result)
+        break; /* get out of loop */
+
+      if(result>0)
+        return result;
+    }
+    else {
+      /* read nothing but since we wanted nothing we consider this an OK
+         situation to proceed from */
+      DEBUGF(infof(data, "readwrite_data: we're done!\n"));
+      nread = 0;
+    }
+
+    if((k->bytecount == 0) && (k->writebytecount == 0)) {
+      Curl_pgrsTime(data, TIMER_STARTTRANSFER);
+      if(k->exp100 > EXP100_SEND_DATA)
+        /* set time stamp to compare with when waiting for the 100 */
+        k->start100 = Curl_now();
+    }
+
+    *didwhat |= KEEP_RECV;
+    /* indicates data of zero size, i.e. empty file */
+    is_empty_data = ((nread == 0) && (k->bodywrites == 0)) ? TRUE : FALSE;
+
+    /* NUL terminate, allowing string ops to be used */
+    if(0 < nread || is_empty_data) {
+      k->buf[nread] = 0;
+    }
+    else if(0 >= nread) {
+      /* if we receive 0 or less here, the server closed the connection
+         and we bail out from this! */
+      DEBUGF(infof(data, "nread <= 0, server closed connection, bailing\n"));
+      k->keepon &= ~KEEP_RECV;
+      break;
+    }
+
+    /* Default buffer to use when we write the buffer, it may be changed
+       in the flow below before the actual storing is done. */
+    k->str = k->buf;
+
+    if(conn->handler->readwrite) {
+      result = conn->handler->readwrite(data, conn, &nread, &readmore);
+      if(result)
+        return result;
+      if(readmore)
+        break;
+    }
+
+#ifndef CURL_DISABLE_HTTP
+    /* Since this is a two-state thing, we check if we are parsing
+       headers at the moment or not. */
+    if(k->header) {
+      /* we are in parse-the-header-mode */
+      bool stop_reading = FALSE;
+      result = Curl_http_readwrite_headers(data, conn, &nread, &stop_reading);
+      if(result)
+        return result;
+
+      if(conn->handler->readwrite &&
+         (k->maxdownload <= 0 && nread > 0)) {
+        result = conn->handler->readwrite(data, conn, &nread, &readmore);
+        if(result)
+          return result;
+        if(readmore)
+          break;
+      }
+
+      if(stop_reading) {
+        /* We've stopped dealing with input, get out of the do-while loop */
+
+        if(nread > 0) {
+          if(Curl_pipeline_wanted(conn->data->multi, CURLPIPE_HTTP1)) {
+            infof(data,
+                  "Rewinding stream by : %zd"
+                  " bytes on url %s (zero-length body)\n",
+                  nread, data->state.up.path);
+            read_rewind(conn, (size_t)nread);
+          }
+          else {
+            infof(data,
+                  "Excess found in a non pipelined read:"
+                  " excess = %zd"
+                  " url = %s (zero-length body)\n",
+                  nread, data->state.up.path);
+          }
+        }
+
+        break;
+      }
+    }
+#endif /* CURL_DISABLE_HTTP */
+
+
+    /* This is not an 'else if' since it may be a rest from the header
+       parsing, where the beginning of the buffer is headers and the end
+       is non-headers. */
+    if(k->str && !k->header && (nread > 0 || is_empty_data)) {
+
+      if(data->set.opt_no_body) {
+        /* data arrives although we want none, bail out */
+        streamclose(conn, "ignoring body");
+        *done = TRUE;
+        return CURLE_WEIRD_SERVER_REPLY;
+      }
+
+#ifndef CURL_DISABLE_HTTP
+      if(0 == k->bodywrites && !is_empty_data) {
+        /* These checks are only made the first time we are about to
+           write a piece of the body */
+        if(conn->handler->protocol&(PROTO_FAMILY_HTTP|CURLPROTO_RTSP)) {
+          /* HTTP-only checks */
+
+          if(data->req.newurl) {
+            if(conn->bits.close) {
+              /* Abort after the headers if "follow Location" is set
+                 and we're set to close anyway. */
+              k->keepon &= ~KEEP_RECV;
+              *done = TRUE;
+              return CURLE_OK;
+            }
+            /* We have a new url to load, but since we want to be able
+               to re-use this connection properly, we read the full
+               response in "ignore more" */
+            k->ignorebody = TRUE;
+            infof(data, "Ignoring the response-body\n");
+          }
+          if(data->state.resume_from && !k->content_range &&
+             (data->set.httpreq == HTTPREQ_GET) &&
+             !k->ignorebody) {
+
+            if(k->size == data->state.resume_from) {
+              /* The resume point is at the end of file, consider this fine
+                 even if it doesn't allow resume from here. */
+              infof(data, "The entire document is already downloaded");
+              connclose(conn, "already downloaded");
+              /* Abort download */
+              k->keepon &= ~KEEP_RECV;
+              *done = TRUE;
+              return CURLE_OK;
+            }
+
+            /* we wanted to resume a download, although the server doesn't
+             * seem to support this and we did this with a GET (if it
+             * wasn't a GET we did a POST or PUT resume) */
+            failf(data, "HTTP server doesn't seem to support "
+                  "byte ranges. Cannot resume.");
+            return CURLE_RANGE_ERROR;
+          }
+
+          if(data->set.timecondition && !data->state.range) {
+            /* A time condition has been set AND no ranges have been
+               requested. This seems to be what chapter 13.3.4 of
+               RFC 2616 defines to be the correct action for a
+               HTTP/1.1 client */
+
+            if(!Curl_meets_timecondition(data, k->timeofdoc)) {
+              *done = TRUE;
+              /* We're simulating a http 304 from server so we return
+                 what should have been returned from the server */
+              data->info.httpcode = 304;
+              infof(data, "Simulate a HTTP 304 response!\n");
+              /* we abort the transfer before it is completed == we ruin the
+                 re-use ability. Close the connection */
+              connclose(conn, "Simulated 304 handling");
+              return CURLE_OK;
+            }
+          } /* we have a time condition */
+
+        } /* this is HTTP or RTSP */
+      } /* this is the first time we write a body part */
+#endif /* CURL_DISABLE_HTTP */
+
+      k->bodywrites++;
+
+      /* pass data to the debug function before it gets "dechunked" */
+      if(data->set.verbose) {
+        if(k->badheader) {
+          Curl_debug(data, CURLINFO_DATA_IN, data->state.headerbuff,
+                     (size_t)k->hbuflen);
+          if(k->badheader == HEADER_PARTHEADER)
+            Curl_debug(data, CURLINFO_DATA_IN,
+                       k->str, (size_t)nread);
+        }
+        else
+          Curl_debug(data, CURLINFO_DATA_IN,
+                     k->str, (size_t)nread);
+      }
+
+#ifndef CURL_DISABLE_HTTP
+      if(k->chunk) {
+        /*
+         * Here comes a chunked transfer flying and we need to decode this
+         * properly.  While the name says read, this function both reads
+         * and writes away the data. The returned 'nread' holds the number
+         * of actual data it wrote to the client.
+         */
+
+        CHUNKcode res =
+          Curl_httpchunk_read(conn, k->str, nread, &nread);
+
+        if(CHUNKE_OK < res) {
+          if(CHUNKE_WRITE_ERROR == res) {
+            failf(data, "Failed writing data");
+            return CURLE_WRITE_ERROR;
+          }
+          failf(data, "%s in chunked-encoding", Curl_chunked_strerror(res));
+          return CURLE_RECV_ERROR;
+        }
+        if(CHUNKE_STOP == res) {
+          size_t dataleft;
+          /* we're done reading chunks! */
+          k->keepon &= ~KEEP_RECV; /* read no more */
+
+          /* There are now possibly N number of bytes at the end of the
+             str buffer that weren't written to the client.
+
+             We DO care about this data if we are pipelining.
+             Push it back to be read on the next pass. */
+
+          dataleft = conn->chunk.dataleft;
+          if(dataleft != 0) {
+            infof(conn->data, "Leftovers after chunking: %zu bytes\n",
+                  dataleft);
+            if(Curl_pipeline_wanted(conn->data->multi, CURLPIPE_HTTP1)) {
+              /* only attempt the rewind if we truly are pipelining */
+              infof(conn->data, "Rewinding %zu bytes\n",dataleft);
+              read_rewind(conn, dataleft);
+            }
+          }
+        }
+        /* If it returned OK, we just keep going */
+      }
+#endif   /* CURL_DISABLE_HTTP */
+
+      /* Account for body content stored in the header buffer */
+      if((k->badheader == HEADER_PARTHEADER) && !k->ignorebody) {
+        DEBUGF(infof(data, "Increasing bytecount by %zu from hbuflen\n",
+                     k->hbuflen));
+        k->bytecount += k->hbuflen;
+      }
+
+      if((-1 != k->maxdownload) &&
+         (k->bytecount + nread >= k->maxdownload)) {
+
+        excess = (size_t)(k->bytecount + nread - k->maxdownload);
+        if(excess > 0 && !k->ignorebody) {
+          if(Curl_pipeline_wanted(conn->data->multi, CURLPIPE_HTTP1)) {
+            infof(data,
+                  "Rewinding stream by : %zu"
+                  " bytes on url %s (size = %" CURL_FORMAT_CURL_OFF_T
+                  ", maxdownload = %" CURL_FORMAT_CURL_OFF_T
+                  ", bytecount = %" CURL_FORMAT_CURL_OFF_T ", nread = %zd)\n",
+                  excess, data->state.up.path,
+                  k->size, k->maxdownload, k->bytecount, nread);
+            read_rewind(conn, excess);
+          }
+          else {
+            infof(data,
+                  "Excess found in a non pipelined read:"
+                  " excess = %zu"
+                  ", size = %" CURL_FORMAT_CURL_OFF_T
+                  ", maxdownload = %" CURL_FORMAT_CURL_OFF_T
+                  ", bytecount = %" CURL_FORMAT_CURL_OFF_T "\n",
+                  excess, k->size, k->maxdownload, k->bytecount);
+          }
+        }
+
+        nread = (ssize_t) (k->maxdownload - k->bytecount);
+        if(nread < 0) /* this should be unusual */
+          nread = 0;
+
+        k->keepon &= ~KEEP_RECV; /* we're done reading */
+      }
+
+      k->bytecount += nread;
+
+      Curl_pgrsSetDownloadCounter(data, k->bytecount);
+
+      if(!k->chunk && (nread || k->badheader || is_empty_data)) {
+        /* If this is chunky transfer, it was already written */
+
+        if(k->badheader && !k->ignorebody) {
+          /* we parsed a piece of data wrongly assuming it was a header
+             and now we output it as body instead */
+
+          /* Don't let excess data pollute body writes */
+          if(k->maxdownload == -1 || (curl_off_t)k->hbuflen <= k->maxdownload)
+            result = Curl_client_write(conn, CLIENTWRITE_BODY,
+                                       data->state.headerbuff,
+                                       k->hbuflen);
+          else
+            result = Curl_client_write(conn, CLIENTWRITE_BODY,
+                                       data->state.headerbuff,
+                                       (size_t)k->maxdownload);
+
+          if(result)
+            return result;
+        }
+        if(k->badheader < HEADER_ALLBAD) {
+          /* This switch handles various content encodings. If there's an
+             error here, be sure to check over the almost identical code
+             in http_chunks.c.
+             Make sure that ALL_CONTENT_ENCODINGS contains all the
+             encodings handled here. */
+          if(conn->data->set.http_ce_skip || !k->writer_stack) {
+            if(!k->ignorebody) {
+#ifndef CURL_DISABLE_POP3
+              if(conn->handler->protocol & PROTO_FAMILY_POP3)
+                result = Curl_pop3_write(conn, k->str, nread);
+              else
+#endif /* CURL_DISABLE_POP3 */
+                result = Curl_client_write(conn, CLIENTWRITE_BODY, k->str,
+                                           nread);
+            }
+          }
+          else if(!k->ignorebody)
+            result = Curl_unencode_write(conn, k->writer_stack, k->str, nread);
+        }
+        k->badheader = HEADER_NORMAL; /* taken care of now */
+
+        if(result)
+          return result;
+      }
+
+    } /* if(!header and data to read) */
+
+    if(conn->handler->readwrite && excess && !conn->bits.stream_was_rewound) {
+      /* Parse the excess data */
+      k->str += nread;
+
+      if(&k->str[excess] > &k->buf[data->set.buffer_size]) {
+        /* the excess amount was too excessive(!), make sure
+           it doesn't read out of buffer */
+        excess = &k->buf[data->set.buffer_size] - k->str;
+      }
+      nread = (ssize_t)excess;
+
+      result = conn->handler->readwrite(data, conn, &nread, &readmore);
+      if(result)
+        return result;
+
+      if(readmore)
+        k->keepon |= KEEP_RECV; /* we're not done reading */
+      break;
+    }
+
+    if(is_empty_data) {
+      /* if we received nothing, the server closed the connection and we
+         are done */
+      k->keepon &= ~KEEP_RECV;
+    }
+
+    if(k->keepon & KEEP_RECV_PAUSE) {
+      /* this is a paused transfer */
+      break;
+    }
+
+  } while(data_pending(conn) && maxloops--);
+
+  if(maxloops <= 0) {
+    /* we mark it as read-again-please */
+    conn->cselect_bits = CURL_CSELECT_IN;
+    *comeback = TRUE;
+  }
+
+  if(((k->keepon & (KEEP_RECV|KEEP_SEND)) == KEEP_SEND) &&
+     conn->bits.close) {
+    /* When we've read the entire thing and the close bit is set, the server
+       may now close the connection. If there's now any kind of sending going
+       on from our side, we need to stop that immediately. */
+    infof(data, "we are done reading and this is set to close, stop send\n");
+    k->keepon &= ~KEEP_SEND; /* no writing anymore either */
+  }
+
+  return CURLE_OK;
+}
+
+static CURLcode done_sending(struct connectdata *conn,
+                             struct SingleRequest *k)
+{
+  k->keepon &= ~KEEP_SEND; /* we're done writing */
+
+  Curl_http2_done_sending(conn);
+
+  if(conn->bits.rewindaftersend) {
+    CURLcode result = Curl_readrewind(conn);
+    if(result)
+      return result;
+  }
+  return CURLE_OK;
+}
+
+#if defined(WIN32) && !defined(USE_LWIPSOCK)
+#ifndef SIO_IDEAL_SEND_BACKLOG_QUERY
+#define SIO_IDEAL_SEND_BACKLOG_QUERY 0x4004747B
+#endif
+
+static void win_update_buffer_size(curl_socket_t sockfd)
+{
+  int result;
+  ULONG ideal;
+  DWORD ideallen;
+  result = WSAIoctl(sockfd, SIO_IDEAL_SEND_BACKLOG_QUERY, 0, 0,
+                    &ideal, sizeof(ideal), &ideallen, 0, 0);
+  if(result == 0) {
+    setsockopt(sockfd, SOL_SOCKET, SO_SNDBUF,
+               (const char *)&ideal, sizeof(ideal));
+  }
+}
+#else
+#define win_update_buffer_size(x)
+#endif
+
+/*
+ * Send data to upload to the server, when the socket is writable.
+ */
+static CURLcode readwrite_upload(struct Curl_easy *data,
+                                 struct connectdata *conn,
+                                 int *didwhat)
+{
+  ssize_t i, si;
+  ssize_t bytes_written;
+  CURLcode result;
+  ssize_t nread; /* number of bytes read */
+  bool sending_http_headers = FALSE;
+  struct SingleRequest *k = &data->req;
+
+  if((k->bytecount == 0) && (k->writebytecount == 0))
+    Curl_pgrsTime(data, TIMER_STARTTRANSFER);
+
+  *didwhat |= KEEP_SEND;
+
+  do {
+    /* only read more data if there's no upload data already
+       present in the upload buffer */
+    if(0 == k->upload_present) {
+      result = Curl_get_upload_buffer(data);
+      if(result)
+        return result;
+      /* init the "upload from here" pointer */
+      k->upload_fromhere = data->state.ulbuf;
+
+      if(!k->upload_done) {
+        /* HTTP pollution, this should be written nicer to become more
+           protocol agnostic. */
+        size_t fillcount;
+        struct HTTP *http = k->protop;
+
+        if((k->exp100 == EXP100_SENDING_REQUEST) &&
+           (http->sending == HTTPSEND_BODY)) {
+          /* If this call is to send body data, we must take some action:
+             We have sent off the full HTTP 1.1 request, and we shall now
+             go into the Expect: 100 state and await such a header */
+          k->exp100 = EXP100_AWAITING_CONTINUE; /* wait for the header */
+          k->keepon &= ~KEEP_SEND;         /* disable writing */
+          k->start100 = Curl_now();       /* timeout count starts now */
+          *didwhat &= ~KEEP_SEND;  /* we didn't write anything actually */
+          /* set a timeout for the multi interface */
+          Curl_expire(data, data->set.expect_100_timeout, EXPIRE_100_TIMEOUT);
+          break;
+        }
+
+        if(conn->handler->protocol&(PROTO_FAMILY_HTTP|CURLPROTO_RTSP)) {
+          if(http->sending == HTTPSEND_REQUEST)
+            /* We're sending the HTTP request headers, not the data.
+               Remember that so we don't change the line endings. */
+            sending_http_headers = TRUE;
+          else
+            sending_http_headers = FALSE;
+        }
+
+        result = Curl_fillreadbuffer(conn, data->set.upload_buffer_size,
+                                     &fillcount);
+        if(result)
+          return result;
+
+        nread = fillcount;
+      }
+      else
+        nread = 0; /* we're done uploading/reading */
+
+      if(!nread && (k->keepon & KEEP_SEND_PAUSE)) {
+        /* this is a paused transfer */
+        break;
+      }
+      if(nread <= 0) {
+        result = done_sending(conn, k);
+        if(result)
+          return result;
+        break;
+      }
+
+      /* store number of bytes available for upload */
+      k->upload_present = nread;
+
+      /* convert LF to CRLF if so asked */
+      if((!sending_http_headers) && (
+#ifdef CURL_DO_LINEEND_CONV
+         /* always convert if we're FTPing in ASCII mode */
+         (data->set.prefer_ascii) ||
+#endif
+         (data->set.crlf))) {
+        /* Do we need to allocate a scratch buffer? */
+        if(!data->state.scratch) {
+          data->state.scratch = malloc(2 * data->set.upload_buffer_size);
+          if(!data->state.scratch) {
+            failf(data, "Failed to alloc scratch buffer!");
+
+            return CURLE_OUT_OF_MEMORY;
+          }
+        }
+
+        /*
+         * ASCII/EBCDIC Note: This is presumably a text (not binary)
+         * transfer so the data should already be in ASCII.
+         * That means the hex values for ASCII CR (0x0d) & LF (0x0a)
+         * must be used instead of the escape sequences \r & \n.
+         */
+        for(i = 0, si = 0; i < nread; i++, si++) {
+          if(k->upload_fromhere[i] == 0x0a) {
+            data->state.scratch[si++] = 0x0d;
+            data->state.scratch[si] = 0x0a;
+            if(!data->set.crlf) {
+              /* we're here only because FTP is in ASCII mode...
+                 bump infilesize for the LF we just added */
+              if(data->state.infilesize != -1)
+                data->state.infilesize++;
+            }
+          }
+          else
+            data->state.scratch[si] = k->upload_fromhere[i];
+        }
+
+        if(si != nread) {
+          /* only perform the special operation if we really did replace
+             anything */
+          nread = si;
+
+          /* upload from the new (replaced) buffer instead */
+          k->upload_fromhere = data->state.scratch;
+
+          /* set the new amount too */
+          k->upload_present = nread;
+        }
+      }
+
+#ifndef CURL_DISABLE_SMTP
+      if(conn->handler->protocol & PROTO_FAMILY_SMTP) {
+        result = Curl_smtp_escape_eob(conn, nread);
+        if(result)
+          return result;
+      }
+#endif /* CURL_DISABLE_SMTP */
+    } /* if 0 == k->upload_present */
+    else {
+      /* We have a partial buffer left from a previous "round". Use
+         that instead of reading more data */
+    }
+
+    /* write to socket (send away data) */
+    result = Curl_write(conn,
+                        conn->writesockfd,  /* socket to send to */
+                        k->upload_fromhere, /* buffer pointer */
+                        k->upload_present,  /* buffer size */
+                        &bytes_written);    /* actually sent */
+    if(result)
+      return result;
+
+    win_update_buffer_size(conn->writesockfd);
+
+    if(data->set.verbose)
+      /* show the data before we change the pointer upload_fromhere */
+      Curl_debug(data, CURLINFO_DATA_OUT, k->upload_fromhere,
+                 (size_t)bytes_written);
+
+    k->writebytecount += bytes_written;
+
+    if((!k->upload_chunky || k->forbidchunk) &&
+       (k->writebytecount == data->state.infilesize)) {
+      /* we have sent all data we were supposed to */
+      k->upload_done = TRUE;
+      infof(data, "We are completely uploaded and fine\n");
+    }
+
+    if(k->upload_present != bytes_written) {
+      /* we only wrote a part of the buffer (if anything), deal with it! */
+
+      /* store the amount of bytes left in the buffer to write */
+      k->upload_present -= bytes_written;
+
+      /* advance the pointer where to find the buffer when the next send
+         is to happen */
+      k->upload_fromhere += bytes_written;
+    }
+    else {
+      /* we've uploaded that buffer now */
+      result = Curl_get_upload_buffer(data);
+      if(result)
+        return result;
+      k->upload_fromhere = data->state.ulbuf;
+      k->upload_present = 0; /* no more bytes left */
+
+      if(k->upload_done) {
+        result = done_sending(conn, k);
+        if(result)
+          return result;
+      }
+    }
+
+    Curl_pgrsSetUploadCounter(data, k->writebytecount);
+
+  } WHILE_FALSE; /* just to break out from! */
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_readwrite() is the low-level function to be called when data is to
+ * be read and written to/from the connection.
+ *
+ * return '*comeback' TRUE if we didn't properly drain the socket so this
+ * function should get called again without select() or similar in between!
+ */
+CURLcode Curl_readwrite(struct connectdata *conn,
+                        struct Curl_easy *data,
+                        bool *done,
+                        bool *comeback)
+{
+  struct SingleRequest *k = &data->req;
+  CURLcode result;
+  int didwhat = 0;
+
+  curl_socket_t fd_read;
+  curl_socket_t fd_write;
+  int select_res = conn->cselect_bits;
+
+  conn->cselect_bits = 0;
+
+  /* only use the proper socket if the *_HOLD bit is not set simultaneously as
+     then we are in rate limiting state in that transfer direction */
+
+  if((k->keepon & KEEP_RECVBITS) == KEEP_RECV)
+    fd_read = conn->sockfd;
+  else
+    fd_read = CURL_SOCKET_BAD;
+
+  if((k->keepon & KEEP_SENDBITS) == KEEP_SEND)
+    fd_write = conn->writesockfd;
+  else
+    fd_write = CURL_SOCKET_BAD;
+
+  if(conn->data->state.drain) {
+    select_res |= CURL_CSELECT_IN;
+    DEBUGF(infof(data, "Curl_readwrite: forcibly told to drain data\n"));
+  }
+
+  if(!select_res) /* Call for select()/poll() only, if read/write/error
+                     status is not known. */
+    select_res = Curl_socket_check(fd_read, CURL_SOCKET_BAD, fd_write, 0);
+
+  if(select_res == CURL_CSELECT_ERR) {
+    failf(data, "select/poll returned error");
+    return CURLE_SEND_ERROR;
+  }
+
+  /* We go ahead and do a read if we have a readable socket or if
+     the stream was rewound (in which case we have data in a
+     buffer) */
+  if((k->keepon & KEEP_RECV) &&
+     ((select_res & CURL_CSELECT_IN) || conn->bits.stream_was_rewound)) {
+
+    result = readwrite_data(data, conn, k, &didwhat, done, comeback);
+    if(result || *done)
+      return result;
+  }
+
+  /* If we still have writing to do, we check if we have a writable socket. */
+  if((k->keepon & KEEP_SEND) && (select_res & CURL_CSELECT_OUT)) {
+    /* write */
+
+    result = readwrite_upload(data, conn, &didwhat);
+    if(result)
+      return result;
+  }
+
+  k->now = Curl_now();
+  if(didwhat) {
+    /* Update read/write counters */
+    if(k->bytecountp)
+      *k->bytecountp = k->bytecount; /* read count */
+    if(k->writebytecountp)
+      *k->writebytecountp = k->writebytecount; /* write count */
+  }
+  else {
+    /* no read no write, this is a timeout? */
+    if(k->exp100 == EXP100_AWAITING_CONTINUE) {
+      /* This should allow some time for the header to arrive, but only a
+         very short time as otherwise it'll be too much wasted time too
+         often. */
+
+      /* Quoting RFC2616, section "8.2.3 Use of the 100 (Continue) Status":
+
+         Therefore, when a client sends this header field to an origin server
+         (possibly via a proxy) from which it has never seen a 100 (Continue)
+         status, the client SHOULD NOT wait for an indefinite period before
+         sending the request body.
+
+      */
+
+      timediff_t ms = Curl_timediff(k->now, k->start100);
+      if(ms >= data->set.expect_100_timeout) {
+        /* we've waited long enough, continue anyway */
+        k->exp100 = EXP100_SEND_DATA;
+        k->keepon |= KEEP_SEND;
+        Curl_expire_done(data, EXPIRE_100_TIMEOUT);
+        infof(data, "Done waiting for 100-continue\n");
+      }
+    }
+  }
+
+  if(Curl_pgrsUpdate(conn))
+    result = CURLE_ABORTED_BY_CALLBACK;
+  else
+    result = Curl_speedcheck(data, k->now);
+  if(result)
+    return result;
+
+  if(k->keepon) {
+    if(0 > Curl_timeleft(data, &k->now, FALSE)) {
+      if(k->size != -1) {
+        failf(data, "Operation timed out after %" CURL_FORMAT_TIMEDIFF_T
+              " milliseconds with %" CURL_FORMAT_CURL_OFF_T " out of %"
+              CURL_FORMAT_CURL_OFF_T " bytes received",
+              Curl_timediff(k->now, data->progress.t_startsingle),
+              k->bytecount, k->size);
+      }
+      else {
+        failf(data, "Operation timed out after %" CURL_FORMAT_TIMEDIFF_T
+              " milliseconds with %" CURL_FORMAT_CURL_OFF_T " bytes received",
+              Curl_timediff(k->now, data->progress.t_startsingle),
+              k->bytecount);
+      }
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+  }
+  else {
+    /*
+     * The transfer has been performed. Just make some general checks before
+     * returning.
+     */
+
+    if(!(data->set.opt_no_body) && (k->size != -1) &&
+       (k->bytecount != k->size) &&
+#ifdef CURL_DO_LINEEND_CONV
+       /* Most FTP servers don't adjust their file SIZE response for CRLFs,
+          so we'll check to see if the discrepancy can be explained
+          by the number of CRLFs we've changed to LFs.
+       */
+       (k->bytecount != (k->size + data->state.crlf_conversions)) &&
+#endif /* CURL_DO_LINEEND_CONV */
+       !k->newurl) {
+      failf(data, "transfer closed with %" CURL_FORMAT_CURL_OFF_T
+            " bytes remaining to read", k->size - k->bytecount);
+      return CURLE_PARTIAL_FILE;
+    }
+    if(!(data->set.opt_no_body) && k->chunk &&
+       (conn->chunk.state != CHUNK_STOP)) {
+      /*
+       * In chunked mode, return an error if the connection is closed prior to
+       * the empty (terminating) chunk is read.
+       *
+       * The condition above used to check for
+       * conn->proto.http->chunk.datasize != 0 which is true after reading
+       * *any* chunk, not just the empty chunk.
+       *
+       */
+      failf(data, "transfer closed with outstanding read data remaining");
+      return CURLE_PARTIAL_FILE;
+    }
+    if(Curl_pgrsUpdate(conn))
+      return CURLE_ABORTED_BY_CALLBACK;
+  }
+
+  /* Now update the "done" boolean we return */
+  *done = (0 == (k->keepon&(KEEP_RECV|KEEP_SEND|
+                            KEEP_RECV_PAUSE|KEEP_SEND_PAUSE))) ? TRUE : FALSE;
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_single_getsock() gets called by the multi interface code when the app
+ * has requested to get the sockets for the current connection. This function
+ * will then be called once for every connection that the multi interface
+ * keeps track of. This function will only be called for connections that are
+ * in the proper state to have this information available.
+ */
+int Curl_single_getsock(const struct connectdata *conn,
+                        curl_socket_t *sock, /* points to numsocks number
+                                                of sockets */
+                        int numsocks)
+{
+  const struct Curl_easy *data = conn->data;
+  int bitmap = GETSOCK_BLANK;
+  unsigned sockindex = 0;
+
+  if(conn->handler->perform_getsock)
+    return conn->handler->perform_getsock(conn, sock, numsocks);
+
+  if(numsocks < 2)
+    /* simple check but we might need two slots */
+    return GETSOCK_BLANK;
+
+  /* don't include HOLD and PAUSE connections */
+  if((data->req.keepon & KEEP_RECVBITS) == KEEP_RECV) {
+
+    DEBUGASSERT(conn->sockfd != CURL_SOCKET_BAD);
+
+    bitmap |= GETSOCK_READSOCK(sockindex);
+    sock[sockindex] = conn->sockfd;
+  }
+
+  /* don't include HOLD and PAUSE connections */
+  if((data->req.keepon & KEEP_SENDBITS) == KEEP_SEND) {
+
+    if((conn->sockfd != conn->writesockfd) ||
+       bitmap == GETSOCK_BLANK) {
+      /* only if they are not the same socket and we have a readable
+         one, we increase index */
+      if(bitmap != GETSOCK_BLANK)
+        sockindex++; /* increase index if we need two entries */
+
+      DEBUGASSERT(conn->writesockfd != CURL_SOCKET_BAD);
+
+      sock[sockindex] = conn->writesockfd;
+    }
+
+    bitmap |= GETSOCK_WRITESOCK(sockindex);
+  }
+
+  return bitmap;
+}
+
+/* Curl_init_CONNECT() gets called each time the handle switches to CONNECT
+   which means this gets called once for each subsequent redirect etc */
+void Curl_init_CONNECT(struct Curl_easy *data)
+{
+  data->state.fread_func = data->set.fread_func_set;
+  data->state.in = data->set.in_set;
+}
+
+/*
+ * Curl_pretransfer() is called immediately before a transfer starts, and only
+ * once for one transfer no matter if it has redirects or do multi-pass
+ * authentication etc.
+ */
+CURLcode Curl_pretransfer(struct Curl_easy *data)
+{
+  CURLcode result;
+
+  if(!data->change.url && !data->set.uh) {
+    /* we can't do anything without URL */
+    failf(data, "No URL set!");
+    return CURLE_URL_MALFORMAT;
+  }
+
+  /* since the URL may have been redirected in a previous use of this handle */
+  if(data->change.url_alloc) {
+    /* the already set URL is allocated, free it first! */
+    Curl_safefree(data->change.url);
+    data->change.url_alloc = FALSE;
+  }
+
+  if(!data->change.url && data->set.uh) {
+    CURLUcode uc;
+    uc = curl_url_get(data->set.uh,
+                        CURLUPART_URL, &data->set.str[STRING_SET_URL], 0);
+    if(uc) {
+      failf(data, "No URL set!");
+      return CURLE_URL_MALFORMAT;
+    }
+  }
+
+  data->change.url = data->set.str[STRING_SET_URL];
+
+  /* Init the SSL session ID cache here. We do it here since we want to do it
+     after the *_setopt() calls (that could specify the size of the cache) but
+     before any transfer takes place. */
+  result = Curl_ssl_initsessions(data, data->set.general_ssl.max_ssl_sessions);
+  if(result)
+    return result;
+
+  data->state.wildcardmatch = data->set.wildcard_enabled;
+  data->set.followlocation = 0; /* reset the location-follow counter */
+  data->state.this_is_a_follow = FALSE; /* reset this */
+  data->state.errorbuf = FALSE; /* no error has occurred */
+  data->state.httpversion = 0; /* don't assume any particular server version */
+
+  data->state.authproblem = FALSE;
+  data->state.authhost.want = data->set.httpauth;
+  data->state.authproxy.want = data->set.proxyauth;
+  Curl_safefree(data->info.wouldredirect);
+  data->info.wouldredirect = NULL;
+
+  if(data->set.httpreq == HTTPREQ_PUT)
+    data->state.infilesize = data->set.filesize;
+  else {
+    data->state.infilesize = data->set.postfieldsize;
+    if(data->set.postfields && (data->state.infilesize == -1))
+      data->state.infilesize = (curl_off_t)strlen(data->set.postfields);
+  }
+
+  /* If there is a list of cookie files to read, do it now! */
+  if(data->change.cookielist)
+    Curl_cookie_loadfiles(data);
+
+  /* If there is a list of host pairs to deal with */
+  if(data->change.resolve)
+    result = Curl_loadhostpairs(data);
+
+  if(!result) {
+    /* Allow data->set.use_port to set which port to use. This needs to be
+     * disabled for example when we follow Location: headers to URLs using
+     * different ports! */
+    data->state.allow_port = TRUE;
+
+#if defined(HAVE_SIGNAL) && defined(SIGPIPE) && !defined(HAVE_MSG_NOSIGNAL)
+    /*************************************************************
+     * Tell signal handler to ignore SIGPIPE
+     *************************************************************/
+    if(!data->set.no_signal)
+      data->state.prev_signal = signal(SIGPIPE, SIG_IGN);
+#endif
+
+    Curl_initinfo(data); /* reset session-specific information "variables" */
+    Curl_pgrsResetTransferSizes(data);
+    Curl_pgrsStartNow(data);
+
+    /* In case the handle is re-used and an authentication method was picked
+       in the session we need to make sure we only use the one(s) we now
+       consider to be fine */
+    data->state.authhost.picked &= data->state.authhost.want;
+    data->state.authproxy.picked &= data->state.authproxy.want;
+
+    if(data->state.wildcardmatch) {
+      struct WildcardData *wc = &data->wildcard;
+      if(wc->state < CURLWC_INIT) {
+        result = Curl_wildcard_init(wc); /* init wildcard structures */
+        if(result)
+          return CURLE_OUT_OF_MEMORY;
+      }
+    }
+  }
+
+  return result;
+}
+
+/*
+ * Curl_posttransfer() is called immediately after a transfer ends
+ */
+CURLcode Curl_posttransfer(struct Curl_easy *data)
+{
+#if defined(HAVE_SIGNAL) && defined(SIGPIPE) && !defined(HAVE_MSG_NOSIGNAL)
+  /* restore the signal handler for SIGPIPE before we get back */
+  if(!data->set.no_signal)
+    signal(SIGPIPE, data->state.prev_signal);
+#else
+  (void)data; /* unused parameter */
+#endif
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_follow() handles the URL redirect magic. Pass in the 'newurl' string
+ * as given by the remote server and set up the new URL to request.
+ *
+ * This function DOES NOT FREE the given url.
+ */
+CURLcode Curl_follow(struct Curl_easy *data,
+                     char *newurl,    /* the Location: string */
+                     followtype type) /* see transfer.h */
+{
+#ifdef CURL_DISABLE_HTTP
+  (void)data;
+  (void)newurl;
+  (void)type;
+  /* Location: following will not happen when HTTP is disabled */
+  return CURLE_TOO_MANY_REDIRECTS;
+#else
+
+  /* Location: redirect */
+  bool disallowport = FALSE;
+  bool reachedmax = FALSE;
+  CURLUcode uc;
+
+  if(type == FOLLOW_REDIR) {
+    if((data->set.maxredirs != -1) &&
+       (data->set.followlocation >= data->set.maxredirs)) {
+      reachedmax = TRUE;
+      type = FOLLOW_FAKE; /* switch to fake to store the would-be-redirected
+                             to URL */
+    }
+    else {
+      /* mark the next request as a followed location: */
+      data->state.this_is_a_follow = TRUE;
+
+      data->set.followlocation++; /* count location-followers */
+
+      if(data->set.http_auto_referer) {
+        /* We are asked to automatically set the previous URL as the referer
+           when we get the next URL. We pick the ->url field, which may or may
+           not be 100% correct */
+
+        if(data->change.referer_alloc) {
+          Curl_safefree(data->change.referer);
+          data->change.referer_alloc = FALSE;
+        }
+
+        data->change.referer = strdup(data->change.url);
+        if(!data->change.referer)
+          return CURLE_OUT_OF_MEMORY;
+        data->change.referer_alloc = TRUE; /* yes, free this later */
+      }
+    }
+  }
+
+  if(Curl_is_absolute_url(newurl, NULL, MAX_SCHEME_LEN))
+    /* This is an absolute URL, don't allow the custom port number */
+    disallowport = TRUE;
+
+  DEBUGASSERT(data->state.uh);
+  uc = curl_url_set(data->state.uh, CURLUPART_URL, newurl,
+                    (type == FOLLOW_FAKE) ? CURLU_NON_SUPPORT_SCHEME : 0);
+  if(uc) {
+    if(type != FOLLOW_FAKE)
+      return Curl_uc_to_curlcode(uc);
+
+    /* the URL could not be parsed for some reason, but since this is FAKE
+       mode, just duplicate the field as-is */
+    newurl = strdup(newurl);
+    if(!newurl)
+      return CURLE_OUT_OF_MEMORY;
+  }
+  else {
+
+    uc = curl_url_get(data->state.uh, CURLUPART_URL, &newurl, 0);
+    if(uc)
+      return Curl_uc_to_curlcode(uc);
+  }
+
+  if(type == FOLLOW_FAKE) {
+    /* we're only figuring out the new url if we would've followed locations
+       but now we're done so we can get out! */
+    data->info.wouldredirect = newurl;
+
+    if(reachedmax) {
+      failf(data, "Maximum (%ld) redirects followed", data->set.maxredirs);
+      return CURLE_TOO_MANY_REDIRECTS;
+    }
+    return CURLE_OK;
+  }
+
+  if(disallowport)
+    data->state.allow_port = FALSE;
+
+  if(data->change.url_alloc)
+    Curl_safefree(data->change.url);
+
+  data->change.url = newurl;
+  data->change.url_alloc = TRUE;
+
+  infof(data, "Issue another request to this URL: '%s'\n", data->change.url);
+
+  /*
+   * We get here when the HTTP code is 300-399 (and 401). We need to perform
+   * differently based on exactly what return code there was.
+   *
+   * News from 7.10.6: we can also get here on a 401 or 407, in case we act on
+   * a HTTP (proxy-) authentication scheme other than Basic.
+   */
+  switch(data->info.httpcode) {
+    /* 401 - Act on a WWW-Authenticate, we keep on moving and do the
+       Authorization: XXXX header in the HTTP request code snippet */
+    /* 407 - Act on a Proxy-Authenticate, we keep on moving and do the
+       Proxy-Authorization: XXXX header in the HTTP request code snippet */
+    /* 300 - Multiple Choices */
+    /* 306 - Not used */
+    /* 307 - Temporary Redirect */
+  default:  /* for all above (and the unknown ones) */
+    /* Some codes are explicitly mentioned since I've checked RFC2616 and they
+     * seem to be OK to POST to.
+     */
+    break;
+  case 301: /* Moved Permanently */
+    /* (quote from RFC7231, section 6.4.2)
+     *
+     * Note: For historical reasons, a user agent MAY change the request
+     * method from POST to GET for the subsequent request.  If this
+     * behavior is undesired, the 307 (Temporary Redirect) status code
+     * can be used instead.
+     *
+     * ----
+     *
+     * Many webservers expect this, so these servers often answers to a POST
+     * request with an error page. To be sure that libcurl gets the page that
+     * most user agents would get, libcurl has to force GET.
+     *
+     * This behaviour is forbidden by RFC1945 and the obsolete RFC2616, and
+     * can be overridden with CURLOPT_POSTREDIR.
+     */
+    if((data->set.httpreq == HTTPREQ_POST
+        || data->set.httpreq == HTTPREQ_POST_FORM
+        || data->set.httpreq == HTTPREQ_POST_MIME)
+       && !(data->set.keep_post & CURL_REDIR_POST_301)) {
+      infof(data, "Switch from POST to GET\n");
+      data->set.httpreq = HTTPREQ_GET;
+    }
+    break;
+  case 302: /* Found */
+    /* (quote from RFC7231, section 6.4.3)
+     *
+     * Note: For historical reasons, a user agent MAY change the request
+     * method from POST to GET for the subsequent request.  If this
+     * behavior is undesired, the 307 (Temporary Redirect) status code
+     * can be used instead.
+     *
+     * ----
+     *
+     * Many webservers expect this, so these servers often answers to a POST
+     * request with an error page. To be sure that libcurl gets the page that
+     * most user agents would get, libcurl has to force GET.
+     *
+     * This behaviour is forbidden by RFC1945 and the obsolete RFC2616, and
+     * can be overridden with CURLOPT_POSTREDIR.
+     */
+    if((data->set.httpreq == HTTPREQ_POST
+        || data->set.httpreq == HTTPREQ_POST_FORM
+        || data->set.httpreq == HTTPREQ_POST_MIME)
+       && !(data->set.keep_post & CURL_REDIR_POST_302)) {
+      infof(data, "Switch from POST to GET\n");
+      data->set.httpreq = HTTPREQ_GET;
+    }
+    break;
+
+  case 303: /* See Other */
+    /* Disable both types of POSTs, unless the user explicitly
+       asks for POST after POST */
+    if(data->set.httpreq != HTTPREQ_GET
+      && !(data->set.keep_post & CURL_REDIR_POST_303)) {
+      data->set.httpreq = HTTPREQ_GET; /* enforce GET request */
+      infof(data, "Disables POST, goes with %s\n",
+            data->set.opt_no_body?"HEAD":"GET");
+    }
+    break;
+  case 304: /* Not Modified */
+    /* 304 means we did a conditional request and it was "Not modified".
+     * We shouldn't get any Location: header in this response!
+     */
+    break;
+  case 305: /* Use Proxy */
+    /* (quote from RFC2616, section 10.3.6):
+     * "The requested resource MUST be accessed through the proxy given
+     * by the Location field. The Location field gives the URI of the
+     * proxy.  The recipient is expected to repeat this single request
+     * via the proxy. 305 responses MUST only be generated by origin
+     * servers."
+     */
+    break;
+  }
+  Curl_pgrsTime(data, TIMER_REDIRECT);
+  Curl_pgrsResetTransferSizes(data);
+
+  return CURLE_OK;
+#endif /* CURL_DISABLE_HTTP */
+}
+
+/* Returns CURLE_OK *and* sets '*url' if a request retry is wanted.
+
+   NOTE: that the *url is malloc()ed. */
+CURLcode Curl_retry_request(struct connectdata *conn,
+                            char **url)
+{
+  struct Curl_easy *data = conn->data;
+  bool retry = FALSE;
+  *url = NULL;
+
+  /* if we're talking upload, we can't do the checks below, unless the protocol
+     is HTTP as when uploading over HTTP we will still get a response */
+  if(data->set.upload &&
+     !(conn->handler->protocol&(PROTO_FAMILY_HTTP|CURLPROTO_RTSP)))
+    return CURLE_OK;
+
+  if((data->req.bytecount + data->req.headerbytecount == 0) &&
+      conn->bits.reuse &&
+      (!data->set.opt_no_body
+        || (conn->handler->protocol & PROTO_FAMILY_HTTP)) &&
+      (data->set.rtspreq != RTSPREQ_RECEIVE))
+    /* We got no data, we attempted to re-use a connection. For HTTP this
+       can be a retry so we try again regardless if we expected a body.
+       For other protocols we only try again only if we expected a body.
+
+       This might happen if the connection was left alive when we were
+       done using it before, but that was closed when we wanted to read from
+       it again. Bad luck. Retry the same request on a fresh connect! */
+    retry = TRUE;
+  else if(data->state.refused_stream &&
+          (data->req.bytecount + data->req.headerbytecount == 0) ) {
+    /* This was sent on a refused stream, safe to rerun. A refused stream
+       error can typically only happen on HTTP/2 level if the stream is safe
+       to issue again, but the nghttp2 API can deliver the message to other
+       streams as well, which is why this adds the check the data counters
+       too. */
+    infof(conn->data, "REFUSED_STREAM, retrying a fresh connect\n");
+    data->state.refused_stream = FALSE; /* clear again */
+    retry = TRUE;
+  }
+  if(retry) {
+    infof(conn->data, "Connection died, retrying a fresh connect\n");
+    *url = strdup(conn->data->change.url);
+    if(!*url)
+      return CURLE_OUT_OF_MEMORY;
+
+    connclose(conn, "retry"); /* close this connection */
+    conn->bits.retry = TRUE; /* mark this as a connection we're about
+                                to retry. Marking it this way should
+                                prevent i.e HTTP transfers to return
+                                error just because nothing has been
+                                transferred! */
+
+
+    if(conn->handler->protocol&PROTO_FAMILY_HTTP) {
+      struct HTTP *http = data->req.protop;
+      if(http->writebytecount) {
+        CURLcode result = Curl_readrewind(conn);
+        if(result) {
+          Curl_safefree(*url);
+          return result;
+        }
+      }
+    }
+  }
+  return CURLE_OK;
+}
+
+/*
+ * Curl_setup_transfer() is called to setup some basic properties for the
+ * upcoming transfer.
+ */
+void
+Curl_setup_transfer(
+  struct connectdata *conn, /* connection data */
+  int sockindex,            /* socket index to read from or -1 */
+  curl_off_t size,          /* -1 if unknown at this point */
+  bool getheader,           /* TRUE if header parsing is wanted */
+  curl_off_t *bytecountp,   /* return number of bytes read or NULL */
+  int writesockindex,       /* socket index to write to, it may very well be
+                               the same we read from. -1 disables */
+  curl_off_t *writecountp   /* return number of bytes written or NULL */
+  )
+{
+  struct Curl_easy *data;
+  struct SingleRequest *k;
+
+  DEBUGASSERT(conn != NULL);
+
+  data = conn->data;
+  k = &data->req;
+
+  DEBUGASSERT((sockindex <= 1) && (sockindex >= -1));
+
+  if(conn->bits.multiplex || conn->httpversion == 20) {
+    /* when multiplexing, the read/write sockets need to be the same! */
+    conn->sockfd = sockindex == -1 ?
+      ((writesockindex == -1 ? CURL_SOCKET_BAD : conn->sock[writesockindex])) :
+      conn->sock[sockindex];
+    conn->writesockfd = conn->sockfd;
+  }
+  else {
+    conn->sockfd = sockindex == -1 ?
+      CURL_SOCKET_BAD : conn->sock[sockindex];
+    conn->writesockfd = writesockindex == -1 ?
+      CURL_SOCKET_BAD:conn->sock[writesockindex];
+  }
+  k->getheader = getheader;
+
+  k->size = size;
+  k->bytecountp = bytecountp;
+  k->writebytecountp = writecountp;
+
+  /* The code sequence below is placed in this function just because all
+     necessary input is not always known in do_complete() as this function may
+     be called after that */
+
+  if(!k->getheader) {
+    k->header = FALSE;
+    if(size > 0)
+      Curl_pgrsSetDownloadSize(data, size);
+  }
+  /* we want header and/or body, if neither then don't do this! */
+  if(k->getheader || !data->set.opt_no_body) {
+
+    if(sockindex != -1)
+      k->keepon |= KEEP_RECV;
+
+    if(writesockindex != -1) {
+      struct HTTP *http = data->req.protop;
+      /* HTTP 1.1 magic:
+
+         Even if we require a 100-return code before uploading data, we might
+         need to write data before that since the REQUEST may not have been
+         finished sent off just yet.
+
+         Thus, we must check if the request has been sent before we set the
+         state info where we wait for the 100-return code
+      */
+      if((data->state.expect100header) &&
+         (conn->handler->protocol&PROTO_FAMILY_HTTP) &&
+         (http->sending == HTTPSEND_BODY)) {
+        /* wait with write until we either got 100-continue or a timeout */
+        k->exp100 = EXP100_AWAITING_CONTINUE;
+        k->start100 = Curl_now();
+
+        /* Set a timeout for the multi interface. Add the inaccuracy margin so
+           that we don't fire slightly too early and get denied to run. */
+        Curl_expire(data, data->set.expect_100_timeout, EXPIRE_100_TIMEOUT);
+      }
+      else {
+        if(data->state.expect100header)
+          /* when we've sent off the rest of the headers, we must await a
+             100-continue but first finish sending the request */
+          k->exp100 = EXP100_SENDING_REQUEST;
+
+        /* enable the write bit when we're not waiting for continue */
+        k->keepon |= KEEP_SEND;
+      }
+    } /* if(writesockindex != -1) */
+  } /* if(k->getheader || !data->set.opt_no_body) */
+
+}
Index: trunk/src/libs/curl-7.64.0/lib/transfer.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/transfer.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/transfer.h	(revision 85671)
@@ -0,0 +1,73 @@
+#ifndef HEADER_CURL_TRANSFER_H
+#define HEADER_CURL_TRANSFER_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#define Curl_headersep(x) ((((x)==':') || ((x)==';')))
+char *Curl_checkheaders(const struct connectdata *conn,
+                        const char *thisheader);
+
+void Curl_init_CONNECT(struct Curl_easy *data);
+
+CURLcode Curl_pretransfer(struct Curl_easy *data);
+CURLcode Curl_second_connect(struct connectdata *conn);
+CURLcode Curl_posttransfer(struct Curl_easy *data);
+
+typedef enum {
+  FOLLOW_NONE,  /* not used within the function, just a placeholder to
+                   allow initing to this */
+  FOLLOW_FAKE,  /* only records stuff, not actually following */
+  FOLLOW_RETRY, /* set if this is a request retry as opposed to a real
+                          redirect following */
+  FOLLOW_REDIR, /* a full true redirect */
+  FOLLOW_LAST   /* never used */
+} followtype;
+
+CURLcode Curl_follow(struct Curl_easy *data, char *newurl,
+                     followtype type);
+CURLcode Curl_readwrite(struct connectdata *conn,
+                        struct Curl_easy *data, bool *done,
+                        bool *comeback);
+int Curl_single_getsock(const struct connectdata *conn,
+                        curl_socket_t *socks,
+                        int numsocks);
+CURLcode Curl_readrewind(struct connectdata *conn);
+CURLcode Curl_fillreadbuffer(struct connectdata *conn, size_t bytes,
+                             size_t *nreadp);
+CURLcode Curl_retry_request(struct connectdata *conn, char **url);
+bool Curl_meets_timecondition(struct Curl_easy *data, time_t timeofdoc);
+CURLcode Curl_get_upload_buffer(struct Curl_easy *data);
+
+/* This sets up a forthcoming transfer */
+void
+Curl_setup_transfer (struct connectdata *data,
+               int sockindex,           /* socket index to read from or -1 */
+               curl_off_t size,         /* -1 if unknown at this point */
+               bool getheader,          /* TRUE if header parsing is wanted */
+               curl_off_t *bytecountp,  /* return number of bytes read */
+               int writesockindex,      /* socket index to write to, it may
+                                           very well be the same we read from.
+                                           -1 disables */
+               curl_off_t *writecountp /* return number of bytes written */
+);
+
+#endif /* HEADER_CURL_TRANSFER_H */
Index: trunk/src/libs/curl-7.64.0/lib/url.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/url.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/url.c	(revision 85671)
@@ -0,0 +1,4374 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_NET_IF_H
+#include <net/if.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#ifdef HAVE_SYS_UN_H
+#include <sys/un.h>
+#endif
+
+#ifndef HAVE_SOCKET
+#error "We can't compile without socket() support!"
+#endif
+
+#include <limits.h>
+
+#ifdef USE_LIBIDN2
+#include <idn2.h>
+
+#elif defined(USE_WIN32_IDN)
+/* prototype for curl_win32_idn_to_ascii() */
+bool curl_win32_idn_to_ascii(const char *in, char **out);
+#endif  /* USE_LIBIDN2 */
+
+#include "urldata.h"
+#include "netrc.h"
+
+#include "formdata.h"
+#include "mime.h"
+#include "vtls/vtls.h"
+#include "hostip.h"
+#include "transfer.h"
+#include "sendf.h"
+#include "progress.h"
+#include "cookie.h"
+#include "strcase.h"
+#include "strerror.h"
+#include "escape.h"
+#include "strtok.h"
+#include "share.h"
+#include "content_encoding.h"
+#include "http_digest.h"
+#include "http_negotiate.h"
+#include "select.h"
+#include "multiif.h"
+#include "easyif.h"
+#include "speedcheck.h"
+#include "warnless.h"
+#include "non-ascii.h"
+#include "inet_pton.h"
+#include "getinfo.h"
+#include "urlapi-int.h"
+
+/* And now for the protocols */
+#include "ftp.h"
+#include "dict.h"
+#include "telnet.h"
+#include "tftp.h"
+#include "http.h"
+#include "http2.h"
+#include "file.h"
+#include "curl_ldap.h"
+#include "ssh.h"
+#include "imap.h"
+#include "url.h"
+#include "connect.h"
+#include "inet_ntop.h"
+#include "http_ntlm.h"
+#include "curl_ntlm_wb.h"
+#include "socks.h"
+#include "curl_rtmp.h"
+#include "gopher.h"
+#include "http_proxy.h"
+#include "conncache.h"
+#include "multihandle.h"
+#include "pipeline.h"
+#include "dotdot.h"
+#include "strdup.h"
+#include "setopt.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+static void conn_free(struct connectdata *conn);
+static void free_idnconverted_hostname(struct hostname *host);
+static unsigned int get_protocol_family(unsigned int protocol);
+
+/* Some parts of the code (e.g. chunked encoding) assume this buffer has at
+ * more than just a few bytes to play with. Don't let it become too small or
+ * bad things will happen.
+ */
+#if READBUFFER_SIZE < READBUFFER_MIN
+# error READBUFFER_SIZE is too small
+#endif
+
+
+/*
+ * Protocol table.
+ */
+
+static const struct Curl_handler * const protocols[] = {
+
+#ifndef CURL_DISABLE_HTTP
+  &Curl_handler_http,
+#endif
+
+#if defined(USE_SSL) && !defined(CURL_DISABLE_HTTP)
+  &Curl_handler_https,
+#endif
+
+#ifndef CURL_DISABLE_FTP
+  &Curl_handler_ftp,
+#endif
+
+#if defined(USE_SSL) && !defined(CURL_DISABLE_FTP)
+  &Curl_handler_ftps,
+#endif
+
+#ifndef CURL_DISABLE_TELNET
+  &Curl_handler_telnet,
+#endif
+
+#ifndef CURL_DISABLE_DICT
+  &Curl_handler_dict,
+#endif
+
+#ifndef CURL_DISABLE_LDAP
+  &Curl_handler_ldap,
+#if !defined(CURL_DISABLE_LDAPS) && \
+    ((defined(USE_OPENLDAP) && defined(USE_SSL)) || \
+     (!defined(USE_OPENLDAP) && defined(HAVE_LDAP_SSL)))
+  &Curl_handler_ldaps,
+#endif
+#endif
+
+#ifndef CURL_DISABLE_FILE
+  &Curl_handler_file,
+#endif
+
+#ifndef CURL_DISABLE_TFTP
+  &Curl_handler_tftp,
+#endif
+
+#if defined(USE_LIBSSH2) || defined(USE_LIBSSH)
+  &Curl_handler_scp,
+#endif
+
+#if defined(USE_LIBSSH2) || defined(USE_LIBSSH)
+  &Curl_handler_sftp,
+#endif
+
+#ifndef CURL_DISABLE_IMAP
+  &Curl_handler_imap,
+#ifdef USE_SSL
+  &Curl_handler_imaps,
+#endif
+#endif
+
+#ifndef CURL_DISABLE_POP3
+  &Curl_handler_pop3,
+#ifdef USE_SSL
+  &Curl_handler_pop3s,
+#endif
+#endif
+
+#if !defined(CURL_DISABLE_SMB) && defined(USE_NTLM) && \
+   (CURL_SIZEOF_CURL_OFF_T > 4) && \
+   (!defined(USE_WINDOWS_SSPI) || defined(USE_WIN32_CRYPTO))
+  &Curl_handler_smb,
+#ifdef USE_SSL
+  &Curl_handler_smbs,
+#endif
+#endif
+
+#ifndef CURL_DISABLE_SMTP
+  &Curl_handler_smtp,
+#ifdef USE_SSL
+  &Curl_handler_smtps,
+#endif
+#endif
+
+#ifndef CURL_DISABLE_RTSP
+  &Curl_handler_rtsp,
+#endif
+
+#ifndef CURL_DISABLE_GOPHER
+  &Curl_handler_gopher,
+#endif
+
+#ifdef USE_LIBRTMP
+  &Curl_handler_rtmp,
+  &Curl_handler_rtmpt,
+  &Curl_handler_rtmpe,
+  &Curl_handler_rtmpte,
+  &Curl_handler_rtmps,
+  &Curl_handler_rtmpts,
+#endif
+
+  (struct Curl_handler *) NULL
+};
+
+/*
+ * Dummy handler for undefined protocol schemes.
+ */
+
+static const struct Curl_handler Curl_handler_dummy = {
+  "<no protocol>",                      /* scheme */
+  ZERO_NULL,                            /* setup_connection */
+  ZERO_NULL,                            /* do_it */
+  ZERO_NULL,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  ZERO_NULL,                            /* connect_it */
+  ZERO_NULL,                            /* connecting */
+  ZERO_NULL,                            /* doing */
+  ZERO_NULL,                            /* proto_getsock */
+  ZERO_NULL,                            /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  ZERO_NULL,                            /* perform_getsock */
+  ZERO_NULL,                            /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  0,                                    /* defport */
+  0,                                    /* protocol */
+  PROTOPT_NONE                          /* flags */
+};
+
+void Curl_freeset(struct Curl_easy *data)
+{
+  /* Free all dynamic strings stored in the data->set substructure. */
+  enum dupstring i;
+  for(i = (enum dupstring)0; i < STRING_LAST; i++) {
+    Curl_safefree(data->set.str[i]);
+  }
+
+  if(data->change.referer_alloc) {
+    Curl_safefree(data->change.referer);
+    data->change.referer_alloc = FALSE;
+  }
+  data->change.referer = NULL;
+  if(data->change.url_alloc) {
+    Curl_safefree(data->change.url);
+    data->change.url_alloc = FALSE;
+  }
+  data->change.url = NULL;
+
+  Curl_mime_cleanpart(&data->set.mimepost);
+}
+
+/* free the URL pieces */
+void Curl_up_free(struct Curl_easy *data)
+{
+  struct urlpieces *up = &data->state.up;
+  Curl_safefree(up->scheme);
+  Curl_safefree(up->hostname);
+  Curl_safefree(up->port);
+  Curl_safefree(up->user);
+  Curl_safefree(up->password);
+  Curl_safefree(up->options);
+  Curl_safefree(up->path);
+  Curl_safefree(up->query);
+  curl_url_cleanup(data->state.uh);
+  data->state.uh = NULL;
+}
+
+/*
+ * This is the internal function curl_easy_cleanup() calls. This should
+ * cleanup and free all resources associated with this sessionhandle.
+ *
+ * NOTE: if we ever add something that attempts to write to a socket or
+ * similar here, we must ignore SIGPIPE first. It is currently only done
+ * when curl_easy_perform() is invoked.
+ */
+
+CURLcode Curl_close(struct Curl_easy *data)
+{
+  struct Curl_multi *m;
+
+  if(!data)
+    return CURLE_OK;
+
+  Curl_expire_clear(data); /* shut off timers */
+
+  m = data->multi;
+  if(m)
+    /* This handle is still part of a multi handle, take care of this first
+       and detach this handle from there. */
+    curl_multi_remove_handle(data->multi, data);
+
+  if(data->multi_easy) {
+    /* when curl_easy_perform() is used, it creates its own multi handle to
+       use and this is the one */
+    curl_multi_cleanup(data->multi_easy);
+    data->multi_easy = NULL;
+  }
+
+  /* Destroy the timeout list that is held in the easy handle. It is
+     /normally/ done by curl_multi_remove_handle() but this is "just in
+     case" */
+  Curl_llist_destroy(&data->state.timeoutlist, NULL);
+
+  data->magic = 0; /* force a clear AFTER the possibly enforced removal from
+                      the multi handle, since that function uses the magic
+                      field! */
+
+  if(data->state.rangestringalloc)
+    free(data->state.range);
+
+  /* freed here just in case DONE wasn't called */
+  Curl_free_request_state(data);
+
+  /* Close down all open SSL info and sessions */
+  Curl_ssl_close_all(data);
+  Curl_safefree(data->state.first_host);
+  Curl_safefree(data->state.scratch);
+  Curl_ssl_free_certinfo(data);
+
+  /* Cleanup possible redirect junk */
+  free(data->req.newurl);
+  data->req.newurl = NULL;
+
+  if(data->change.referer_alloc) {
+    Curl_safefree(data->change.referer);
+    data->change.referer_alloc = FALSE;
+  }
+  data->change.referer = NULL;
+
+  Curl_up_free(data);
+  Curl_safefree(data->state.buffer);
+  Curl_safefree(data->state.headerbuff);
+  Curl_safefree(data->state.ulbuf);
+  Curl_flush_cookies(data, 1);
+  Curl_digest_cleanup(data);
+  Curl_safefree(data->info.contenttype);
+  Curl_safefree(data->info.wouldredirect);
+
+  /* this destroys the channel and we cannot use it anymore after this */
+  Curl_resolver_cleanup(data->state.resolver);
+
+  Curl_http2_cleanup_dependencies(data);
+  Curl_convert_close(data);
+
+  /* No longer a dirty share, if it exists */
+  if(data->share) {
+    Curl_share_lock(data, CURL_LOCK_DATA_SHARE, CURL_LOCK_ACCESS_SINGLE);
+    data->share->dirty--;
+    Curl_share_unlock(data, CURL_LOCK_DATA_SHARE);
+  }
+
+  /* destruct wildcard structures if it is needed */
+  Curl_wildcard_dtor(&data->wildcard);
+  Curl_freeset(data);
+  free(data);
+  return CURLE_OK;
+}
+
+/*
+ * Initialize the UserDefined fields within a Curl_easy.
+ * This may be safely called on a new or existing Curl_easy.
+ */
+CURLcode Curl_init_userdefined(struct Curl_easy *data)
+{
+  struct UserDefined *set = &data->set;
+  CURLcode result = CURLE_OK;
+
+  set->out = stdout; /* default output to stdout */
+  set->in_set = stdin;  /* default input from stdin */
+  set->err  = stderr;  /* default stderr to stderr */
+
+  /* use fwrite as default function to store output */
+  set->fwrite_func = (curl_write_callback)fwrite;
+
+  /* use fread as default function to read input */
+  set->fread_func_set = (curl_read_callback)fread;
+  set->is_fread_set = 0;
+  set->is_fwrite_set = 0;
+
+  set->seek_func = ZERO_NULL;
+  set->seek_client = ZERO_NULL;
+
+  /* conversion callbacks for non-ASCII hosts */
+  set->convfromnetwork = ZERO_NULL;
+  set->convtonetwork   = ZERO_NULL;
+  set->convfromutf8    = ZERO_NULL;
+
+  set->filesize = -1;        /* we don't know the size */
+  set->postfieldsize = -1;   /* unknown size */
+  set->maxredirs = -1;       /* allow any amount by default */
+
+  set->httpreq = HTTPREQ_GET; /* Default HTTP request */
+  set->rtspreq = RTSPREQ_OPTIONS; /* Default RTSP request */
+  set->ftp_use_epsv = TRUE;   /* FTP defaults to EPSV operations */
+  set->ftp_use_eprt = TRUE;   /* FTP defaults to EPRT operations */
+  set->ftp_use_pret = FALSE;  /* mainly useful for drftpd servers */
+  set->ftp_filemethod = FTPFILE_MULTICWD;
+
+  set->dns_cache_timeout = 60; /* Timeout every 60 seconds by default */
+
+  /* Set the default size of the SSL session ID cache */
+  set->general_ssl.max_ssl_sessions = 5;
+
+  set->proxyport = 0;
+  set->proxytype = CURLPROXY_HTTP; /* defaults to HTTP proxy */
+  set->httpauth = CURLAUTH_BASIC;  /* defaults to basic */
+  set->proxyauth = CURLAUTH_BASIC; /* defaults to basic */
+
+  /* SOCKS5 proxy auth defaults to username/password + GSS-API */
+  set->socks5auth = CURLAUTH_BASIC | CURLAUTH_GSSAPI;
+
+  /* make libcurl quiet by default: */
+  set->hide_progress = TRUE;  /* CURLOPT_NOPROGRESS changes these */
+
+  Curl_mime_initpart(&set->mimepost, data);
+
+  /*
+   * libcurl 7.10 introduced SSL verification *by default*! This needs to be
+   * switched off unless wanted.
+   */
+  set->ssl.primary.verifypeer = TRUE;
+  set->ssl.primary.verifyhost = TRUE;
+#ifdef USE_TLS_SRP
+  set->ssl.authtype = CURL_TLSAUTH_NONE;
+#endif
+  set->ssh_auth_types = CURLSSH_AUTH_DEFAULT; /* defaults to any auth
+                                                      type */
+  set->ssl.primary.sessionid = TRUE; /* session ID caching enabled by
+                                        default */
+  set->proxy_ssl = set->ssl;
+
+  set->new_file_perms = 0644;    /* Default permissions */
+  set->new_directory_perms = 0755; /* Default permissions */
+
+  /* for the *protocols fields we don't use the CURLPROTO_ALL convenience
+     define since we internally only use the lower 16 bits for the passed
+     in bitmask to not conflict with the private bits */
+  set->allowed_protocols = CURLPROTO_ALL;
+  set->redir_protocols = CURLPROTO_ALL &  /* All except FILE, SCP and SMB */
+                          ~(CURLPROTO_FILE | CURLPROTO_SCP | CURLPROTO_SMB |
+                            CURLPROTO_SMBS);
+
+#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
+  /*
+   * disallow unprotected protection negotiation NEC reference implementation
+   * seem not to follow rfc1961 section 4.3/4.4
+   */
+  set->socks5_gssapi_nec = FALSE;
+#endif
+
+  /* Set the default CA cert bundle/path detected/specified at build time.
+   *
+   * If Schannel is the selected SSL backend then these locations are
+   * ignored. We allow setting CA location for schannel only when explicitly
+   * specified by the user via CURLOPT_CAINFO / --cacert.
+   */
+  if(Curl_ssl_backend() != CURLSSLBACKEND_SCHANNEL) {
+#if defined(CURL_CA_BUNDLE)
+    result = Curl_setstropt(&set->str[STRING_SSL_CAFILE_ORIG], CURL_CA_BUNDLE);
+    if(result)
+      return result;
+
+    result = Curl_setstropt(&set->str[STRING_SSL_CAFILE_PROXY],
+                            CURL_CA_BUNDLE);
+    if(result)
+      return result;
+#endif
+#if defined(CURL_CA_PATH)
+    result = Curl_setstropt(&set->str[STRING_SSL_CAPATH_ORIG], CURL_CA_PATH);
+    if(result)
+      return result;
+
+    result = Curl_setstropt(&set->str[STRING_SSL_CAPATH_PROXY], CURL_CA_PATH);
+    if(result)
+      return result;
+#endif
+  }
+
+  set->wildcard_enabled = FALSE;
+  set->chunk_bgn      = ZERO_NULL;
+  set->chunk_end      = ZERO_NULL;
+  set->tcp_keepalive = FALSE;
+  set->tcp_keepintvl = 60;
+  set->tcp_keepidle = 60;
+  set->tcp_fastopen = FALSE;
+  set->tcp_nodelay = TRUE;
+  set->ssl_enable_npn = TRUE;
+  set->ssl_enable_alpn = TRUE;
+  set->expect_100_timeout = 1000L; /* Wait for a second by default. */
+  set->sep_headers = TRUE; /* separated header lists by default */
+  set->buffer_size = READBUFFER_SIZE;
+  set->upload_buffer_size = UPLOADBUFFER_DEFAULT;
+  set->happy_eyeballs_timeout = CURL_HET_DEFAULT;
+  set->fnmatch = ZERO_NULL;
+  set->upkeep_interval_ms = CURL_UPKEEP_INTERVAL_DEFAULT;
+  set->maxconnects = DEFAULT_CONNCACHE_SIZE; /* for easy handles */
+  set->http09_allowed = TRUE;
+  set->httpversion =
+#ifdef USE_NGHTTP2
+    CURL_HTTP_VERSION_2TLS
+#else
+    CURL_HTTP_VERSION_1_1
+#endif
+    ;
+  Curl_http2_init_userset(set);
+  return result;
+}
+
+/**
+ * Curl_open()
+ *
+ * @param curl is a pointer to a sessionhandle pointer that gets set by this
+ * function.
+ * @return CURLcode
+ */
+
+CURLcode Curl_open(struct Curl_easy **curl)
+{
+  CURLcode result;
+  struct Curl_easy *data;
+
+  /* Very simple start-up: alloc the struct, init it with zeroes and return */
+  data = calloc(1, sizeof(struct Curl_easy));
+  if(!data) {
+    /* this is a very serious error */
+    DEBUGF(fprintf(stderr, "Error: calloc of Curl_easy failed\n"));
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  data->magic = CURLEASY_MAGIC_NUMBER;
+
+  result = Curl_resolver_init(data, &data->state.resolver);
+  if(result) {
+    DEBUGF(fprintf(stderr, "Error: resolver_init failed\n"));
+    free(data);
+    return result;
+  }
+
+  /* We do some initial setup here, all those fields that can't be just 0 */
+
+  data->state.buffer = malloc(READBUFFER_SIZE + 1);
+  if(!data->state.buffer) {
+    DEBUGF(fprintf(stderr, "Error: malloc of buffer failed\n"));
+    result = CURLE_OUT_OF_MEMORY;
+  }
+  else {
+    data->state.headerbuff = malloc(HEADERSIZE);
+    if(!data->state.headerbuff) {
+      DEBUGF(fprintf(stderr, "Error: malloc of headerbuff failed\n"));
+      result = CURLE_OUT_OF_MEMORY;
+    }
+    else {
+      result = Curl_init_userdefined(data);
+
+      data->state.headersize = HEADERSIZE;
+      Curl_convert_init(data);
+      Curl_initinfo(data);
+
+      /* most recent connection is not yet defined */
+      data->state.lastconnect = NULL;
+
+      data->progress.flags |= PGRS_HIDE;
+      data->state.current_speed = -1; /* init to negative == impossible */
+
+      Curl_http2_init_state(&data->state);
+    }
+  }
+
+  if(result) {
+    Curl_resolver_cleanup(data->state.resolver);
+    free(data->state.buffer);
+    free(data->state.headerbuff);
+    Curl_freeset(data);
+    free(data);
+    data = NULL;
+  }
+  else
+    *curl = data;
+
+  return result;
+}
+
+#ifdef USE_RECV_BEFORE_SEND_WORKAROUND
+static void conn_reset_postponed_data(struct connectdata *conn, int num)
+{
+  struct postponed_data * const psnd = &(conn->postponed[num]);
+  if(psnd->buffer) {
+    DEBUGASSERT(psnd->allocated_size > 0);
+    DEBUGASSERT(psnd->recv_size <= psnd->allocated_size);
+    DEBUGASSERT(psnd->recv_size ?
+                (psnd->recv_processed < psnd->recv_size) :
+                (psnd->recv_processed == 0));
+    DEBUGASSERT(psnd->bindsock != CURL_SOCKET_BAD);
+    free(psnd->buffer);
+    psnd->buffer = NULL;
+    psnd->allocated_size = 0;
+    psnd->recv_size = 0;
+    psnd->recv_processed = 0;
+#ifdef DEBUGBUILD
+    psnd->bindsock = CURL_SOCKET_BAD; /* used only for DEBUGASSERT */
+#endif /* DEBUGBUILD */
+  }
+  else {
+    DEBUGASSERT(psnd->allocated_size == 0);
+    DEBUGASSERT(psnd->recv_size == 0);
+    DEBUGASSERT(psnd->recv_processed == 0);
+    DEBUGASSERT(psnd->bindsock == CURL_SOCKET_BAD);
+  }
+}
+
+static void conn_reset_all_postponed_data(struct connectdata *conn)
+{
+  conn_reset_postponed_data(conn, 0);
+  conn_reset_postponed_data(conn, 1);
+}
+#else  /* ! USE_RECV_BEFORE_SEND_WORKAROUND */
+/* Use "do-nothing" macro instead of function when workaround not used */
+#define conn_reset_all_postponed_data(c) do {} WHILE_FALSE
+#endif /* ! USE_RECV_BEFORE_SEND_WORKAROUND */
+
+static void conn_free(struct connectdata *conn)
+{
+  if(!conn)
+    return;
+
+  /* possible left-overs from the async name resolvers */
+  Curl_resolver_cancel(conn);
+
+  /* close the SSL stuff before we close any sockets since they will/may
+     write to the sockets */
+  Curl_ssl_close(conn, FIRSTSOCKET);
+  Curl_ssl_close(conn, SECONDARYSOCKET);
+
+  /* close possibly still open sockets */
+  if(CURL_SOCKET_BAD != conn->sock[SECONDARYSOCKET])
+    Curl_closesocket(conn, conn->sock[SECONDARYSOCKET]);
+  if(CURL_SOCKET_BAD != conn->sock[FIRSTSOCKET])
+    Curl_closesocket(conn, conn->sock[FIRSTSOCKET]);
+  if(CURL_SOCKET_BAD != conn->tempsock[0])
+    Curl_closesocket(conn, conn->tempsock[0]);
+  if(CURL_SOCKET_BAD != conn->tempsock[1])
+    Curl_closesocket(conn, conn->tempsock[1]);
+
+#if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM) && \
+    defined(NTLM_WB_ENABLED)
+  Curl_ntlm_wb_cleanup(conn);
+#endif
+
+  Curl_safefree(conn->user);
+  Curl_safefree(conn->passwd);
+  Curl_safefree(conn->oauth_bearer);
+  Curl_safefree(conn->options);
+  Curl_safefree(conn->http_proxy.user);
+  Curl_safefree(conn->socks_proxy.user);
+  Curl_safefree(conn->http_proxy.passwd);
+  Curl_safefree(conn->socks_proxy.passwd);
+  Curl_safefree(conn->allocptr.proxyuserpwd);
+  Curl_safefree(conn->allocptr.uagent);
+  Curl_safefree(conn->allocptr.userpwd);
+  Curl_safefree(conn->allocptr.accept_encoding);
+  Curl_safefree(conn->allocptr.te);
+  Curl_safefree(conn->allocptr.rangeline);
+  Curl_safefree(conn->allocptr.ref);
+  Curl_safefree(conn->allocptr.host);
+  Curl_safefree(conn->allocptr.cookiehost);
+  Curl_safefree(conn->allocptr.rtsp_transport);
+  Curl_safefree(conn->trailer);
+  Curl_safefree(conn->host.rawalloc); /* host name buffer */
+  Curl_safefree(conn->conn_to_host.rawalloc); /* host name buffer */
+  Curl_safefree(conn->hostname_resolve);
+  Curl_safefree(conn->secondaryhostname);
+  Curl_safefree(conn->http_proxy.host.rawalloc); /* http proxy name buffer */
+  Curl_safefree(conn->socks_proxy.host.rawalloc); /* socks proxy name buffer */
+  Curl_safefree(conn->master_buffer);
+  Curl_safefree(conn->connect_state);
+
+  conn_reset_all_postponed_data(conn);
+
+  Curl_llist_destroy(&conn->send_pipe, NULL);
+  Curl_llist_destroy(&conn->recv_pipe, NULL);
+
+  Curl_safefree(conn->localdev);
+  Curl_free_primary_ssl_config(&conn->ssl_config);
+  Curl_free_primary_ssl_config(&conn->proxy_ssl_config);
+
+#ifdef USE_UNIX_SOCKETS
+  Curl_safefree(conn->unix_domain_socket);
+#endif
+
+#ifdef USE_SSL
+  Curl_safefree(conn->ssl_extra);
+#endif
+  free(conn); /* free all the connection oriented data */
+}
+
+/*
+ * Disconnects the given connection. Note the connection may not be the
+ * primary connection, like when freeing room in the connection cache or
+ * killing of a dead old connection.
+ *
+ * A connection needs an easy handle when closing down. We support this passed
+ * in separately since the connection to get closed here is often already
+ * disassociated from an easy handle.
+ *
+ * This function MUST NOT reset state in the Curl_easy struct if that
+ * isn't strictly bound to the life-time of *this* particular connection.
+ *
+ */
+
+CURLcode Curl_disconnect(struct Curl_easy *data,
+                         struct connectdata *conn, bool dead_connection)
+{
+  if(!conn)
+    return CURLE_OK; /* this is closed and fine already */
+
+  if(!data) {
+    DEBUGF(infof(data, "DISCONNECT without easy handle, ignoring\n"));
+    return CURLE_OK;
+  }
+
+  /*
+   * If this connection isn't marked to force-close, leave it open if there
+   * are other users of it
+   */
+  if(CONN_INUSE(conn) && !dead_connection) {
+    DEBUGF(infof(data, "Curl_disconnect when inuse: %zu\n", CONN_INUSE(conn)));
+    return CURLE_OK;
+  }
+
+  if(conn->dns_entry != NULL) {
+    Curl_resolv_unlock(data, conn->dns_entry);
+    conn->dns_entry = NULL;
+  }
+
+  Curl_hostcache_prune(data); /* kill old DNS cache entries */
+
+#if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM)
+  /* Cleanup NTLM connection-related data */
+  Curl_http_ntlm_cleanup(conn);
+#endif
+
+  /* the protocol specific disconnect handler needs a transfer for its
+     connection! */
+  conn->data = data;
+  if(conn->handler->disconnect)
+    /* This is set if protocol-specific cleanups should be made */
+    conn->handler->disconnect(conn, dead_connection);
+
+    /* unlink ourselves! */
+  infof(data, "Closing connection %ld\n", conn->connection_id);
+  Curl_conncache_remove_conn(data, conn, TRUE);
+
+  free_idnconverted_hostname(&conn->host);
+  free_idnconverted_hostname(&conn->conn_to_host);
+  free_idnconverted_hostname(&conn->http_proxy.host);
+  free_idnconverted_hostname(&conn->socks_proxy.host);
+
+  /* this assumes that the pointer is still there after the connection was
+     detected from the cache */
+  Curl_ssl_close(conn, FIRSTSOCKET);
+
+  conn_free(conn);
+  return CURLE_OK;
+}
+
+/*
+ * This function should return TRUE if the socket is to be assumed to
+ * be dead. Most commonly this happens when the server has closed the
+ * connection due to inactivity.
+ */
+static bool SocketIsDead(curl_socket_t sock)
+{
+  int sval;
+  bool ret_val = TRUE;
+
+  sval = SOCKET_READABLE(sock, 0);
+  if(sval == 0)
+    /* timeout */
+    ret_val = FALSE;
+
+  return ret_val;
+}
+
+/*
+ * IsPipeliningPossible()
+ *
+ * Return a bitmask with the available pipelining and multiplexing options for
+ * the given requested connection.
+ */
+static int IsPipeliningPossible(const struct Curl_easy *handle,
+                                const struct connectdata *conn)
+{
+  int avail = 0;
+
+  /* If a HTTP protocol and pipelining is enabled */
+  if((conn->handler->protocol & PROTO_FAMILY_HTTP) &&
+     (!conn->bits.protoconnstart || !conn->bits.close)) {
+
+    if(Curl_pipeline_wanted(handle->multi, CURLPIPE_HTTP1) &&
+       (handle->set.httpversion != CURL_HTTP_VERSION_1_0) &&
+       (handle->set.httpreq == HTTPREQ_GET ||
+        handle->set.httpreq == HTTPREQ_HEAD))
+      /* didn't ask for HTTP/1.0 and a GET or HEAD */
+      avail |= CURLPIPE_HTTP1;
+
+    if(Curl_pipeline_wanted(handle->multi, CURLPIPE_MULTIPLEX) &&
+       (handle->set.httpversion >= CURL_HTTP_VERSION_2))
+      /* allows HTTP/2 */
+      avail |= CURLPIPE_MULTIPLEX;
+  }
+  return avail;
+}
+
+/* Returns non-zero if a handle was removed */
+int Curl_removeHandleFromPipeline(struct Curl_easy *handle,
+                                  struct curl_llist *pipeline)
+{
+  if(pipeline) {
+    struct curl_llist_element *curr;
+
+    curr = pipeline->head;
+    while(curr) {
+      if(curr->ptr == handle) {
+        Curl_llist_remove(pipeline, curr, NULL);
+        return 1; /* we removed a handle */
+      }
+      curr = curr->next;
+    }
+  }
+
+  return 0;
+}
+
+#if 0 /* this code is saved here as it is useful for debugging purposes */
+static void Curl_printPipeline(struct curl_llist *pipeline)
+{
+  struct curl_llist_element *curr;
+
+  curr = pipeline->head;
+  while(curr) {
+    struct Curl_easy *data = (struct Curl_easy *) curr->ptr;
+    infof(data, "Handle in pipeline: %s\n", data->state.path);
+    curr = curr->next;
+  }
+}
+#endif
+
+static struct Curl_easy* gethandleathead(struct curl_llist *pipeline)
+{
+  struct curl_llist_element *curr = pipeline->head;
+#ifdef DEBUGBUILD
+  {
+    struct curl_llist_element *p = pipeline->head;
+    while(p) {
+      struct Curl_easy *e = p->ptr;
+      DEBUGASSERT(GOOD_EASY_HANDLE(e));
+      p = p->next;
+    }
+  }
+#endif
+  if(curr) {
+    return (struct Curl_easy *) curr->ptr;
+  }
+
+  return NULL;
+}
+
+/* remove the specified connection from all (possible) pipelines and related
+   queues */
+void Curl_getoff_all_pipelines(struct Curl_easy *data,
+                               struct connectdata *conn)
+{
+  if(!conn->bundle)
+    return;
+  if(conn->bundle->multiuse == BUNDLE_PIPELINING) {
+    bool recv_head = (conn->readchannel_inuse &&
+                      Curl_recvpipe_head(data, conn));
+    bool send_head = (conn->writechannel_inuse &&
+                      Curl_sendpipe_head(data, conn));
+
+    if(Curl_removeHandleFromPipeline(data, &conn->recv_pipe) && recv_head)
+      Curl_pipeline_leave_read(conn);
+    if(Curl_removeHandleFromPipeline(data, &conn->send_pipe) && send_head)
+      Curl_pipeline_leave_write(conn);
+  }
+  else {
+    (void)Curl_removeHandleFromPipeline(data, &conn->recv_pipe);
+    (void)Curl_removeHandleFromPipeline(data, &conn->send_pipe);
+  }
+}
+
+static bool
+proxy_info_matches(const struct proxy_info* data,
+                   const struct proxy_info* needle)
+{
+  if((data->proxytype == needle->proxytype) &&
+     (data->port == needle->port) &&
+     Curl_safe_strcasecompare(data->host.name, needle->host.name))
+    return TRUE;
+
+  return FALSE;
+}
+
+/*
+ * This function checks if the given connection is dead and extracts it from
+ * the connection cache if so.
+ *
+ * When this is called as a Curl_conncache_foreach() callback, the connection
+ * cache lock is held!
+ *
+ * Returns TRUE if the connection was dead and extracted.
+ */
+static bool extract_if_dead(struct connectdata *conn,
+                            struct Curl_easy *data)
+{
+  size_t pipeLen = conn->send_pipe.size + conn->recv_pipe.size;
+  if(!pipeLen && !CONN_INUSE(conn)) {
+    /* The check for a dead socket makes sense only if there are no
+       handles in pipeline and the connection isn't already marked in
+       use */
+    bool dead;
+    if(conn->handler->connection_check) {
+      /* The protocol has a special method for checking the state of the
+         connection. Use it to check if the connection is dead. */
+      unsigned int state;
+      state = conn->handler->connection_check(conn, CONNCHECK_ISDEAD);
+      dead = (state & CONNRESULT_DEAD);
+    }
+    else {
+      /* Use the general method for determining the death of a connection */
+      dead = SocketIsDead(conn->sock[FIRSTSOCKET]);
+    }
+
+    if(dead) {
+      infof(data, "Connection %ld seems to be dead!\n", conn->connection_id);
+      Curl_conncache_remove_conn(data, conn, FALSE);
+      return TRUE;
+    }
+  }
+  return FALSE;
+}
+
+struct prunedead {
+  struct Curl_easy *data;
+  struct connectdata *extracted;
+};
+
+/*
+ * Wrapper to use extract_if_dead() function in Curl_conncache_foreach()
+ *
+ */
+static int call_extract_if_dead(struct connectdata *conn, void *param)
+{
+  struct prunedead *p = (struct prunedead *)param;
+  conn->data = p->data; /* transfer to use for this check */
+  if(extract_if_dead(conn, p->data)) {
+    /* stop the iteration here, pass back the connection that was extracted */
+    p->extracted = conn;
+    return 1;
+  }
+  return 0; /* continue iteration */
+}
+
+/*
+ * This function scans the connection cache for half-open/dead connections,
+ * closes and removes them.
+ * The cleanup is done at most once per second.
+ */
+static void prune_dead_connections(struct Curl_easy *data)
+{
+  struct curltime now = Curl_now();
+  time_t elapsed = Curl_timediff(now, data->state.conn_cache->last_cleanup);
+
+  if(elapsed >= 1000L) {
+    struct prunedead prune;
+    prune.data = data;
+    prune.extracted = NULL;
+    while(Curl_conncache_foreach(data, data->state.conn_cache, &prune,
+                                 call_extract_if_dead)) {
+      /* disconnect it */
+      (void)Curl_disconnect(data, prune.extracted, /* dead_connection */TRUE);
+    }
+    data->state.conn_cache->last_cleanup = now;
+  }
+}
+
+
+static size_t max_pipeline_length(struct Curl_multi *multi)
+{
+  return multi ? multi->max_pipeline_length : 0;
+}
+
+
+/*
+ * Given one filled in connection struct (named needle), this function should
+ * detect if there already is one that has all the significant details
+ * exactly the same and thus should be used instead.
+ *
+ * If there is a match, this function returns TRUE - and has marked the
+ * connection as 'in-use'. It must later be called with ConnectionDone() to
+ * return back to 'idle' (unused) state.
+ *
+ * The force_reuse flag is set if the connection must be used, even if
+ * the pipelining strategy wants to open a new connection instead of reusing.
+ */
+static bool
+ConnectionExists(struct Curl_easy *data,
+                 struct connectdata *needle,
+                 struct connectdata **usethis,
+                 bool *force_reuse,
+                 bool *waitpipe)
+{
+  struct connectdata *check;
+  struct connectdata *chosen = 0;
+  bool foundPendingCandidate = FALSE;
+  int canpipe = IsPipeliningPossible(data, needle);
+  struct connectbundle *bundle;
+
+#ifdef USE_NTLM
+  bool wantNTLMhttp = ((data->state.authhost.want &
+                      (CURLAUTH_NTLM | CURLAUTH_NTLM_WB)) &&
+                      (needle->handler->protocol & PROTO_FAMILY_HTTP));
+  bool wantProxyNTLMhttp = (needle->bits.proxy_user_passwd &&
+                           ((data->state.authproxy.want &
+                           (CURLAUTH_NTLM | CURLAUTH_NTLM_WB)) &&
+                           (needle->handler->protocol & PROTO_FAMILY_HTTP)));
+#endif
+
+  *force_reuse = FALSE;
+  *waitpipe = FALSE;
+
+  /* We can't pipeline if the site is blacklisted */
+  if((canpipe & CURLPIPE_HTTP1) &&
+     Curl_pipeline_site_blacklisted(data, needle))
+    canpipe &= ~ CURLPIPE_HTTP1;
+
+  /* Look up the bundle with all the connections to this particular host.
+     Locks the connection cache, beware of early returns! */
+  bundle = Curl_conncache_find_bundle(needle, data->state.conn_cache);
+  if(bundle) {
+    /* Max pipe length is zero (unlimited) for multiplexed connections */
+    size_t max_pipe_len = (bundle->multiuse != BUNDLE_MULTIPLEX)?
+      max_pipeline_length(data->multi):0;
+    size_t best_pipe_len = max_pipe_len;
+    struct curl_llist_element *curr;
+
+    infof(data, "Found bundle for host %s: %p [%s]\n",
+          (needle->bits.conn_to_host ? needle->conn_to_host.name :
+           needle->host.name), (void *)bundle,
+          (bundle->multiuse == BUNDLE_PIPELINING ?
+           "can pipeline" :
+           (bundle->multiuse == BUNDLE_MULTIPLEX ?
+            "can multiplex" : "serially")));
+
+    /* We can't pipeline if we don't know anything about the server */
+    if(canpipe) {
+      if(bundle->multiuse <= BUNDLE_UNKNOWN) {
+        if((bundle->multiuse == BUNDLE_UNKNOWN) && data->set.pipewait) {
+          infof(data, "Server doesn't support multi-use yet, wait\n");
+          *waitpipe = TRUE;
+          Curl_conncache_unlock(data);
+          return FALSE; /* no re-use */
+        }
+
+        infof(data, "Server doesn't support multi-use (yet)\n");
+        canpipe = 0;
+      }
+      if((bundle->multiuse == BUNDLE_PIPELINING) &&
+         !Curl_pipeline_wanted(data->multi, CURLPIPE_HTTP1)) {
+        /* not asked for, switch off */
+        infof(data, "Could pipeline, but not asked to!\n");
+        canpipe = 0;
+      }
+      else if((bundle->multiuse == BUNDLE_MULTIPLEX) &&
+              !Curl_pipeline_wanted(data->multi, CURLPIPE_MULTIPLEX)) {
+        infof(data, "Could multiplex, but not asked to!\n");
+        canpipe = 0;
+      }
+    }
+
+    curr = bundle->conn_list.head;
+    while(curr) {
+      bool match = FALSE;
+      size_t pipeLen;
+
+      /*
+       * Note that if we use a HTTP proxy in normal mode (no tunneling), we
+       * check connections to that proxy and not to the actual remote server.
+       */
+      check = curr->ptr;
+      curr = curr->next;
+
+      if(extract_if_dead(check, data)) {
+        /* disconnect it */
+        (void)Curl_disconnect(data, check, /* dead_connection */TRUE);
+        continue;
+      }
+
+      pipeLen = check->send_pipe.size + check->recv_pipe.size;
+
+      if(canpipe) {
+        if(check->bits.protoconnstart && check->bits.close)
+          continue;
+
+        if(!check->bits.multiplex) {
+          /* If not multiplexing, make sure the connection is fine for HTTP/1
+             pipelining */
+          struct Curl_easy* sh = gethandleathead(&check->send_pipe);
+          struct Curl_easy* rh = gethandleathead(&check->recv_pipe);
+          if(sh) {
+            if(!(IsPipeliningPossible(sh, check) & CURLPIPE_HTTP1))
+              continue;
+          }
+          else if(rh) {
+            if(!(IsPipeliningPossible(rh, check) & CURLPIPE_HTTP1))
+              continue;
+          }
+        }
+      }
+      else {
+        if(pipeLen > 0) {
+          /* can only happen within multi handles, and means that another easy
+             handle is using this connection */
+          continue;
+        }
+
+        if(Curl_resolver_asynch()) {
+          /* ip_addr_str[0] is NUL only if the resolving of the name hasn't
+             completed yet and until then we don't re-use this connection */
+          if(!check->ip_addr_str[0]) {
+            infof(data,
+                  "Connection #%ld is still name resolving, can't reuse\n",
+                  check->connection_id);
+            continue;
+          }
+        }
+
+        if((check->sock[FIRSTSOCKET] == CURL_SOCKET_BAD) ||
+           check->bits.close) {
+          if(!check->bits.close)
+            foundPendingCandidate = TRUE;
+          /* Don't pick a connection that hasn't connected yet or that is going
+             to get closed. */
+          infof(data, "Connection #%ld isn't open enough, can't reuse\n",
+                check->connection_id);
+#ifdef DEBUGBUILD
+          if(check->recv_pipe.size > 0) {
+            infof(data,
+                  "BAD! Unconnected #%ld has a non-empty recv pipeline!\n",
+                  check->connection_id);
+          }
+#endif
+          continue;
+        }
+      }
+
+#ifdef USE_UNIX_SOCKETS
+      if(needle->unix_domain_socket) {
+        if(!check->unix_domain_socket)
+          continue;
+        if(strcmp(needle->unix_domain_socket, check->unix_domain_socket))
+          continue;
+        if(needle->abstract_unix_socket != check->abstract_unix_socket)
+          continue;
+      }
+      else if(check->unix_domain_socket)
+        continue;
+#endif
+
+      if((needle->handler->flags&PROTOPT_SSL) !=
+         (check->handler->flags&PROTOPT_SSL))
+        /* don't do mixed SSL and non-SSL connections */
+        if(get_protocol_family(check->handler->protocol) !=
+           needle->handler->protocol || !check->tls_upgraded)
+          /* except protocols that have been upgraded via TLS */
+          continue;
+
+      if(needle->bits.httpproxy != check->bits.httpproxy ||
+         needle->bits.socksproxy != check->bits.socksproxy)
+        continue;
+
+      if(needle->bits.socksproxy && !proxy_info_matches(&needle->socks_proxy,
+                                                        &check->socks_proxy))
+        continue;
+
+      if(needle->bits.conn_to_host != check->bits.conn_to_host)
+        /* don't mix connections that use the "connect to host" feature and
+         * connections that don't use this feature */
+        continue;
+
+      if(needle->bits.conn_to_port != check->bits.conn_to_port)
+        /* don't mix connections that use the "connect to port" feature and
+         * connections that don't use this feature */
+        continue;
+
+      if(needle->bits.httpproxy) {
+        if(!proxy_info_matches(&needle->http_proxy, &check->http_proxy))
+          continue;
+
+        if(needle->bits.tunnel_proxy != check->bits.tunnel_proxy)
+          continue;
+
+        if(needle->http_proxy.proxytype == CURLPROXY_HTTPS) {
+          /* use https proxy */
+          if(needle->handler->flags&PROTOPT_SSL) {
+            /* use double layer ssl */
+            if(!Curl_ssl_config_matches(&needle->proxy_ssl_config,
+                                        &check->proxy_ssl_config))
+              continue;
+            if(check->proxy_ssl[FIRSTSOCKET].state != ssl_connection_complete)
+              continue;
+          }
+          else {
+            if(!Curl_ssl_config_matches(&needle->ssl_config,
+                                        &check->ssl_config))
+              continue;
+            if(check->ssl[FIRSTSOCKET].state != ssl_connection_complete)
+              continue;
+          }
+        }
+      }
+
+      if(!canpipe && CONN_INUSE(check))
+        /* this request can't be pipelined but the checked connection is
+           already in use so we skip it */
+        continue;
+
+      if(CONN_INUSE(check) && (check->data->multi != needle->data->multi))
+        /* this could be subject for pipeline/multiplex use, but only
+           if they belong to the same multi handle */
+        continue;
+
+      if(needle->localdev || needle->localport) {
+        /* If we are bound to a specific local end (IP+port), we must not
+           re-use a random other one, although if we didn't ask for a
+           particular one we can reuse one that was bound.
+
+           This comparison is a bit rough and too strict. Since the input
+           parameters can be specified in numerous ways and still end up the
+           same it would take a lot of processing to make it really accurate.
+           Instead, this matching will assume that re-uses of bound connections
+           will most likely also re-use the exact same binding parameters and
+           missing out a few edge cases shouldn't hurt anyone very much.
+        */
+        if((check->localport != needle->localport) ||
+           (check->localportrange != needle->localportrange) ||
+           (needle->localdev &&
+            (!check->localdev || strcmp(check->localdev, needle->localdev))))
+          continue;
+      }
+
+      if(!(needle->handler->flags & PROTOPT_CREDSPERREQUEST)) {
+        /* This protocol requires credentials per connection,
+           so verify that we're using the same name and password as well */
+        if(strcmp(needle->user, check->user) ||
+           strcmp(needle->passwd, check->passwd)) {
+          /* one of them was different */
+          continue;
+        }
+      }
+
+      if(!needle->bits.httpproxy || (needle->handler->flags&PROTOPT_SSL) ||
+         needle->bits.tunnel_proxy) {
+        /* The requested connection does not use a HTTP proxy or it uses SSL or
+           it is a non-SSL protocol tunneled or it is a non-SSL protocol which
+           is allowed to be upgraded via TLS */
+
+        if((strcasecompare(needle->handler->scheme, check->handler->scheme) ||
+            (get_protocol_family(check->handler->protocol) ==
+             needle->handler->protocol && check->tls_upgraded)) &&
+           (!needle->bits.conn_to_host || strcasecompare(
+            needle->conn_to_host.name, check->conn_to_host.name)) &&
+           (!needle->bits.conn_to_port ||
+             needle->conn_to_port == check->conn_to_port) &&
+           strcasecompare(needle->host.name, check->host.name) &&
+           needle->remote_port == check->remote_port) {
+          /* The schemes match or the the protocol family is the same and the
+             previous connection was TLS upgraded, and the hostname and host
+             port match */
+          if(needle->handler->flags & PROTOPT_SSL) {
+            /* This is a SSL connection so verify that we're using the same
+               SSL options as well */
+            if(!Curl_ssl_config_matches(&needle->ssl_config,
+                                        &check->ssl_config)) {
+              DEBUGF(infof(data,
+                           "Connection #%ld has different SSL parameters, "
+                           "can't reuse\n",
+                           check->connection_id));
+              continue;
+            }
+            if(check->ssl[FIRSTSOCKET].state != ssl_connection_complete) {
+              foundPendingCandidate = TRUE;
+              DEBUGF(infof(data,
+                           "Connection #%ld has not started SSL connect, "
+                           "can't reuse\n",
+                           check->connection_id));
+              continue;
+            }
+          }
+          match = TRUE;
+        }
+      }
+      else {
+        /* The requested connection is using the same HTTP proxy in normal
+           mode (no tunneling) */
+        match = TRUE;
+      }
+
+      if(match) {
+#if defined(USE_NTLM)
+        /* If we are looking for an HTTP+NTLM connection, check if this is
+           already authenticating with the right credentials. If not, keep
+           looking so that we can reuse NTLM connections if
+           possible. (Especially we must not reuse the same connection if
+           partway through a handshake!) */
+        if(wantNTLMhttp) {
+          if(strcmp(needle->user, check->user) ||
+             strcmp(needle->passwd, check->passwd))
+            continue;
+        }
+        else if(check->ntlm.state != NTLMSTATE_NONE) {
+          /* Connection is using NTLM auth but we don't want NTLM */
+          continue;
+        }
+
+        /* Same for Proxy NTLM authentication */
+        if(wantProxyNTLMhttp) {
+          /* Both check->http_proxy.user and check->http_proxy.passwd can be
+           * NULL */
+          if(!check->http_proxy.user || !check->http_proxy.passwd)
+            continue;
+
+          if(strcmp(needle->http_proxy.user, check->http_proxy.user) ||
+             strcmp(needle->http_proxy.passwd, check->http_proxy.passwd))
+            continue;
+        }
+        else if(check->proxyntlm.state != NTLMSTATE_NONE) {
+          /* Proxy connection is using NTLM auth but we don't want NTLM */
+          continue;
+        }
+
+        if(wantNTLMhttp || wantProxyNTLMhttp) {
+          /* Credentials are already checked, we can use this connection */
+          chosen = check;
+
+          if((wantNTLMhttp &&
+             (check->ntlm.state != NTLMSTATE_NONE)) ||
+              (wantProxyNTLMhttp &&
+               (check->proxyntlm.state != NTLMSTATE_NONE))) {
+            /* We must use this connection, no other */
+            *force_reuse = TRUE;
+            break;
+          }
+
+          /* Continue look up for a better connection */
+          continue;
+        }
+#endif
+        if(canpipe) {
+          /* We can pipeline if we want to. Let's continue looking for
+             the optimal connection to use, i.e the shortest pipe that is not
+             blacklisted. */
+
+          if(pipeLen == 0) {
+            /* We have the optimal connection. Let's stop looking. */
+            chosen = check;
+            break;
+          }
+
+          /* We can't use the connection if the pipe is full */
+          if(max_pipe_len && (pipeLen >= max_pipe_len)) {
+            infof(data, "Pipe is full, skip (%zu)\n", pipeLen);
+            continue;
+          }
+#ifdef USE_NGHTTP2
+          /* If multiplexed, make sure we don't go over concurrency limit */
+          if(check->bits.multiplex) {
+            /* Multiplexed connections can only be HTTP/2 for now */
+            struct http_conn *httpc = &check->proto.httpc;
+            if(pipeLen >= httpc->settings.max_concurrent_streams) {
+              infof(data, "MAX_CONCURRENT_STREAMS reached, skip (%zu)\n",
+                    pipeLen);
+              continue;
+            }
+          }
+#endif
+          /* We can't use the connection if the pipe is penalized */
+          if(Curl_pipeline_penalized(data, check)) {
+            infof(data, "Penalized, skip\n");
+            continue;
+          }
+
+          if(max_pipe_len) {
+            if(pipeLen < best_pipe_len) {
+              /* This connection has a shorter pipe so far. We'll pick this
+                 and continue searching */
+              chosen = check;
+              best_pipe_len = pipeLen;
+              continue;
+            }
+          }
+          else {
+            /* When not pipelining (== multiplexed), we have a match here! */
+            chosen = check;
+            infof(data, "Multiplexed connection found!\n");
+            break;
+          }
+        }
+        else {
+          /* We have found a connection. Let's stop searching. */
+          chosen = check;
+          break;
+        }
+      }
+    }
+  }
+
+  if(chosen) {
+    /* mark it as used before releasing the lock */
+    chosen->data = data; /* own it! */
+    Curl_conncache_unlock(data);
+    *usethis = chosen;
+    return TRUE; /* yes, we found one to use! */
+  }
+  Curl_conncache_unlock(data);
+
+  if(foundPendingCandidate && data->set.pipewait) {
+    infof(data,
+          "Found pending candidate for reuse and CURLOPT_PIPEWAIT is set\n");
+    *waitpipe = TRUE;
+  }
+
+  return FALSE; /* no matching connecting exists */
+}
+
+/* after a TCP connection to the proxy has been verified, this function does
+   the next magic step.
+
+   Note: this function's sub-functions call failf()
+
+*/
+CURLcode Curl_connected_proxy(struct connectdata *conn, int sockindex)
+{
+  CURLcode result = CURLE_OK;
+
+  if(conn->bits.socksproxy) {
+#ifndef CURL_DISABLE_PROXY
+    /* for the secondary socket (FTP), use the "connect to host"
+     * but ignore the "connect to port" (use the secondary port)
+     */
+    const char * const host = conn->bits.httpproxy ?
+                              conn->http_proxy.host.name :
+                              conn->bits.conn_to_host ?
+                              conn->conn_to_host.name :
+                              sockindex == SECONDARYSOCKET ?
+                              conn->secondaryhostname : conn->host.name;
+    const int port = conn->bits.httpproxy ? (int)conn->http_proxy.port :
+                     sockindex == SECONDARYSOCKET ? conn->secondary_port :
+                     conn->bits.conn_to_port ? conn->conn_to_port :
+                     conn->remote_port;
+    conn->bits.socksproxy_connecting = TRUE;
+    switch(conn->socks_proxy.proxytype) {
+    case CURLPROXY_SOCKS5:
+    case CURLPROXY_SOCKS5_HOSTNAME:
+      result = Curl_SOCKS5(conn->socks_proxy.user, conn->socks_proxy.passwd,
+                         host, port, sockindex, conn);
+      break;
+
+    case CURLPROXY_SOCKS4:
+    case CURLPROXY_SOCKS4A:
+      result = Curl_SOCKS4(conn->socks_proxy.user, host, port, sockindex,
+                           conn);
+      break;
+
+    default:
+      failf(conn->data, "unknown proxytype option given");
+      result = CURLE_COULDNT_CONNECT;
+    } /* switch proxytype */
+    conn->bits.socksproxy_connecting = FALSE;
+#else
+  (void)sockindex;
+#endif /* CURL_DISABLE_PROXY */
+  }
+
+  return result;
+}
+
+/*
+ * verboseconnect() displays verbose information after a connect
+ */
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+void Curl_verboseconnect(struct connectdata *conn)
+{
+  if(conn->data->set.verbose)
+    infof(conn->data, "Connected to %s (%s) port %ld (#%ld)\n",
+          conn->bits.socksproxy ? conn->socks_proxy.host.dispname :
+          conn->bits.httpproxy ? conn->http_proxy.host.dispname :
+          conn->bits.conn_to_host ? conn->conn_to_host.dispname :
+          conn->host.dispname,
+          conn->ip_addr_str, conn->port, conn->connection_id);
+}
+#endif
+
+int Curl_protocol_getsock(struct connectdata *conn,
+                          curl_socket_t *socks,
+                          int numsocks)
+{
+  if(conn->handler->proto_getsock)
+    return conn->handler->proto_getsock(conn, socks, numsocks);
+  /* Backup getsock logic. Since there is a live socket in use, we must wait
+     for it or it will be removed from watching when the multi_socket API is
+     used. */
+  socks[0] = conn->sock[FIRSTSOCKET];
+  return GETSOCK_READSOCK(0) | GETSOCK_WRITESOCK(0);
+}
+
+int Curl_doing_getsock(struct connectdata *conn,
+                       curl_socket_t *socks,
+                       int numsocks)
+{
+  if(conn && conn->handler->doing_getsock)
+    return conn->handler->doing_getsock(conn, socks, numsocks);
+  return GETSOCK_BLANK;
+}
+
+/*
+ * We are doing protocol-specific connecting and this is being called over and
+ * over from the multi interface until the connection phase is done on
+ * protocol layer.
+ */
+
+CURLcode Curl_protocol_connecting(struct connectdata *conn,
+                                  bool *done)
+{
+  CURLcode result = CURLE_OK;
+
+  if(conn && conn->handler->connecting) {
+    *done = FALSE;
+    result = conn->handler->connecting(conn, done);
+  }
+  else
+    *done = TRUE;
+
+  return result;
+}
+
+/*
+ * We are DOING this is being called over and over from the multi interface
+ * until the DOING phase is done on protocol layer.
+ */
+
+CURLcode Curl_protocol_doing(struct connectdata *conn, bool *done)
+{
+  CURLcode result = CURLE_OK;
+
+  if(conn && conn->handler->doing) {
+    *done = FALSE;
+    result = conn->handler->doing(conn, done);
+  }
+  else
+    *done = TRUE;
+
+  return result;
+}
+
+/*
+ * We have discovered that the TCP connection has been successful, we can now
+ * proceed with some action.
+ *
+ */
+CURLcode Curl_protocol_connect(struct connectdata *conn,
+                               bool *protocol_done)
+{
+  CURLcode result = CURLE_OK;
+
+  *protocol_done = FALSE;
+
+  if(conn->bits.tcpconnect[FIRSTSOCKET] && conn->bits.protoconnstart) {
+    /* We already are connected, get back. This may happen when the connect
+       worked fine in the first call, like when we connect to a local server
+       or proxy. Note that we don't know if the protocol is actually done.
+
+       Unless this protocol doesn't have any protocol-connect callback, as
+       then we know we're done. */
+    if(!conn->handler->connecting)
+      *protocol_done = TRUE;
+
+    return CURLE_OK;
+  }
+
+  if(!conn->bits.protoconnstart) {
+
+    result = Curl_proxy_connect(conn, FIRSTSOCKET);
+    if(result)
+      return result;
+
+    if(CONNECT_FIRSTSOCKET_PROXY_SSL())
+      /* wait for HTTPS proxy SSL initialization to complete */
+      return CURLE_OK;
+
+    if(conn->bits.tunnel_proxy && conn->bits.httpproxy &&
+       Curl_connect_ongoing(conn))
+      /* when using an HTTP tunnel proxy, await complete tunnel establishment
+         before proceeding further. Return CURLE_OK so we'll be called again */
+      return CURLE_OK;
+
+    if(conn->handler->connect_it) {
+      /* is there a protocol-specific connect() procedure? */
+
+      /* Call the protocol-specific connect function */
+      result = conn->handler->connect_it(conn, protocol_done);
+    }
+    else
+      *protocol_done = TRUE;
+
+    /* it has started, possibly even completed but that knowledge isn't stored
+       in this bit! */
+    if(!result)
+      conn->bits.protoconnstart = TRUE;
+  }
+
+  return result; /* pass back status */
+}
+
+/*
+ * Helpers for IDNA conversions.
+ */
+static bool is_ASCII_name(const char *hostname)
+{
+  const unsigned char *ch = (const unsigned char *)hostname;
+
+  while(*ch) {
+    if(*ch++ & 0x80)
+      return FALSE;
+  }
+  return TRUE;
+}
+
+/*
+ * Strip single trailing dot in the hostname,
+ * primarily for SNI and http host header.
+ */
+static void strip_trailing_dot(struct hostname *host)
+{
+  size_t len;
+  len = strlen(host->name);
+  if(len && (host->name[len-1] == '.'))
+    host->name[len-1] = 0;
+}
+
+/*
+ * Perform any necessary IDN conversion of hostname
+ */
+static CURLcode idnconvert_hostname(struct connectdata *conn,
+                                    struct hostname *host)
+{
+  struct Curl_easy *data = conn->data;
+
+#ifndef USE_LIBIDN2
+  (void)data;
+  (void)conn;
+#elif defined(CURL_DISABLE_VERBOSE_STRINGS)
+  (void)conn;
+#endif
+
+  /* set the name we use to display the host name */
+  host->dispname = host->name;
+
+  /* Check name for non-ASCII and convert hostname to ACE form if we can */
+  if(!is_ASCII_name(host->name)) {
+#ifdef USE_LIBIDN2
+    if(idn2_check_version(IDN2_VERSION)) {
+      char *ace_hostname = NULL;
+#if IDN2_VERSION_NUMBER >= 0x00140000
+      /* IDN2_NFC_INPUT: Normalize input string using normalization form C.
+         IDN2_NONTRANSITIONAL: Perform Unicode TR46 non-transitional
+         processing. */
+      int flags = IDN2_NFC_INPUT | IDN2_NONTRANSITIONAL;
+#else
+      int flags = IDN2_NFC_INPUT;
+#endif
+      int rc = idn2_lookup_ul((const char *)host->name, &ace_hostname, flags);
+      if(rc == IDN2_OK) {
+        host->encalloc = (char *)ace_hostname;
+        /* change the name pointer to point to the encoded hostname */
+        host->name = host->encalloc;
+      }
+      else {
+        failf(data, "Failed to convert %s to ACE; %s\n", host->name,
+              idn2_strerror(rc));
+        return CURLE_URL_MALFORMAT;
+      }
+    }
+#elif defined(USE_WIN32_IDN)
+    char *ace_hostname = NULL;
+
+    if(curl_win32_idn_to_ascii(host->name, &ace_hostname)) {
+      host->encalloc = ace_hostname;
+      /* change the name pointer to point to the encoded hostname */
+      host->name = host->encalloc;
+    }
+    else {
+      failf(data, "Failed to convert %s to ACE;\n", host->name);
+      return CURLE_URL_MALFORMAT;
+    }
+#else
+    infof(data, "IDN support not present, can't parse Unicode domains\n");
+#endif
+  }
+  {
+    char *hostp;
+    for(hostp = host->name; *hostp; hostp++) {
+      if(*hostp <= 32) {
+        failf(data, "Host name '%s' contains bad letter", host->name);
+        return CURLE_URL_MALFORMAT;
+      }
+    }
+  }
+  return CURLE_OK;
+}
+
+/*
+ * Frees data allocated by idnconvert_hostname()
+ */
+static void free_idnconverted_hostname(struct hostname *host)
+{
+#if defined(USE_LIBIDN2)
+  if(host->encalloc) {
+    idn2_free(host->encalloc); /* must be freed with idn2_free() since this was
+                                 allocated by libidn */
+    host->encalloc = NULL;
+  }
+#elif defined(USE_WIN32_IDN)
+  free(host->encalloc); /* must be freed with free() since this was
+                           allocated by curl_win32_idn_to_ascii */
+  host->encalloc = NULL;
+#else
+  (void)host;
+#endif
+}
+
+static void llist_dtor(void *user, void *element)
+{
+  (void)user;
+  (void)element;
+  /* Do nothing */
+}
+
+/*
+ * Allocate and initialize a new connectdata object.
+ */
+static struct connectdata *allocate_conn(struct Curl_easy *data)
+{
+  struct connectdata *conn = calloc(1, sizeof(struct connectdata));
+  if(!conn)
+    return NULL;
+
+#ifdef USE_SSL
+  /* The SSL backend-specific data (ssl_backend_data) objects are allocated as
+     a separate array to ensure suitable alignment.
+     Note that these backend pointers can be swapped by vtls (eg ssl backend
+     data becomes proxy backend data). */
+  {
+    size_t sslsize = Curl_ssl->sizeof_ssl_backend_data;
+    char *ssl = calloc(4, sslsize);
+    if(!ssl) {
+      free(conn);
+      return NULL;
+    }
+    conn->ssl_extra = ssl;
+    conn->ssl[0].backend = (void *)ssl;
+    conn->ssl[1].backend = (void *)(ssl + sslsize);
+    conn->proxy_ssl[0].backend = (void *)(ssl + 2 * sslsize);
+    conn->proxy_ssl[1].backend = (void *)(ssl + 3 * sslsize);
+  }
+#endif
+
+  conn->handler = &Curl_handler_dummy;  /* Be sure we have a handler defined
+                                           already from start to avoid NULL
+                                           situations and checks */
+
+  /* and we setup a few fields in case we end up actually using this struct */
+
+  conn->sock[FIRSTSOCKET] = CURL_SOCKET_BAD;     /* no file descriptor */
+  conn->sock[SECONDARYSOCKET] = CURL_SOCKET_BAD; /* no file descriptor */
+  conn->tempsock[0] = CURL_SOCKET_BAD; /* no file descriptor */
+  conn->tempsock[1] = CURL_SOCKET_BAD; /* no file descriptor */
+  conn->connection_id = -1;    /* no ID */
+  conn->port = -1; /* unknown at this point */
+  conn->remote_port = -1; /* unknown at this point */
+#if defined(USE_RECV_BEFORE_SEND_WORKAROUND) && defined(DEBUGBUILD)
+  conn->postponed[0].bindsock = CURL_SOCKET_BAD; /* no file descriptor */
+  conn->postponed[1].bindsock = CURL_SOCKET_BAD; /* no file descriptor */
+#endif /* USE_RECV_BEFORE_SEND_WORKAROUND && DEBUGBUILD */
+
+  /* Default protocol-independent behavior doesn't support persistent
+     connections, so we set this to force-close. Protocols that support
+     this need to set this to FALSE in their "curl_do" functions. */
+  connclose(conn, "Default to force-close");
+
+  /* Store creation time to help future close decision making */
+  conn->created = Curl_now();
+
+  /* Store current time to give a baseline to keepalive connection times. */
+  conn->keepalive = Curl_now();
+
+  /* Store off the configured connection upkeep time. */
+  conn->upkeep_interval_ms = data->set.upkeep_interval_ms;
+
+  conn->data = data; /* Setup the association between this connection
+                        and the Curl_easy */
+
+  conn->http_proxy.proxytype = data->set.proxytype;
+  conn->socks_proxy.proxytype = CURLPROXY_SOCKS4;
+
+#ifdef CURL_DISABLE_PROXY
+
+  conn->bits.proxy = FALSE;
+  conn->bits.httpproxy = FALSE;
+  conn->bits.socksproxy = FALSE;
+  conn->bits.proxy_user_passwd = FALSE;
+  conn->bits.tunnel_proxy = FALSE;
+
+#else /* CURL_DISABLE_PROXY */
+
+  /* note that these two proxy bits are now just on what looks to be
+     requested, they may be altered down the road */
+  conn->bits.proxy = (data->set.str[STRING_PROXY] &&
+                      *data->set.str[STRING_PROXY]) ? TRUE : FALSE;
+  conn->bits.httpproxy = (conn->bits.proxy &&
+                          (conn->http_proxy.proxytype == CURLPROXY_HTTP ||
+                           conn->http_proxy.proxytype == CURLPROXY_HTTP_1_0 ||
+                           conn->http_proxy.proxytype == CURLPROXY_HTTPS)) ?
+                           TRUE : FALSE;
+  conn->bits.socksproxy = (conn->bits.proxy &&
+                           !conn->bits.httpproxy) ? TRUE : FALSE;
+
+  if(data->set.str[STRING_PRE_PROXY] && *data->set.str[STRING_PRE_PROXY]) {
+    conn->bits.proxy = TRUE;
+    conn->bits.socksproxy = TRUE;
+  }
+
+  conn->bits.proxy_user_passwd =
+    (data->set.str[STRING_PROXYUSERNAME]) ? TRUE : FALSE;
+  conn->bits.tunnel_proxy = data->set.tunnel_thru_httpproxy;
+
+#endif /* CURL_DISABLE_PROXY */
+
+  conn->bits.user_passwd = (data->set.str[STRING_USERNAME]) ? TRUE : FALSE;
+  conn->bits.ftp_use_epsv = data->set.ftp_use_epsv;
+  conn->bits.ftp_use_eprt = data->set.ftp_use_eprt;
+
+  conn->ssl_config.verifystatus = data->set.ssl.primary.verifystatus;
+  conn->ssl_config.verifypeer = data->set.ssl.primary.verifypeer;
+  conn->ssl_config.verifyhost = data->set.ssl.primary.verifyhost;
+  conn->proxy_ssl_config.verifystatus =
+    data->set.proxy_ssl.primary.verifystatus;
+  conn->proxy_ssl_config.verifypeer = data->set.proxy_ssl.primary.verifypeer;
+  conn->proxy_ssl_config.verifyhost = data->set.proxy_ssl.primary.verifyhost;
+
+  conn->ip_version = data->set.ipver;
+
+#if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM) && \
+    defined(NTLM_WB_ENABLED)
+  conn->ntlm_auth_hlpr_socket = CURL_SOCKET_BAD;
+  conn->ntlm_auth_hlpr_pid = 0;
+  conn->challenge_header = NULL;
+  conn->response_header = NULL;
+#endif
+
+  if(Curl_pipeline_wanted(data->multi, CURLPIPE_HTTP1) &&
+     !conn->master_buffer) {
+    /* Allocate master_buffer to be used for HTTP/1 pipelining */
+    conn->master_buffer = calloc(MASTERBUF_SIZE, sizeof(char));
+    if(!conn->master_buffer)
+      goto error;
+  }
+
+  /* Initialize the pipeline lists */
+  Curl_llist_init(&conn->send_pipe, (curl_llist_dtor) llist_dtor);
+  Curl_llist_init(&conn->recv_pipe, (curl_llist_dtor) llist_dtor);
+
+#ifdef HAVE_GSSAPI
+  conn->data_prot = PROT_CLEAR;
+#endif
+
+  /* Store the local bind parameters that will be used for this connection */
+  if(data->set.str[STRING_DEVICE]) {
+    conn->localdev = strdup(data->set.str[STRING_DEVICE]);
+    if(!conn->localdev)
+      goto error;
+  }
+  conn->localportrange = data->set.localportrange;
+  conn->localport = data->set.localport;
+
+  /* the close socket stuff needs to be copied to the connection struct as
+     it may live on without (this specific) Curl_easy */
+  conn->fclosesocket = data->set.fclosesocket;
+  conn->closesocket_client = data->set.closesocket_client;
+
+  return conn;
+  error:
+
+  Curl_llist_destroy(&conn->send_pipe, NULL);
+  Curl_llist_destroy(&conn->recv_pipe, NULL);
+
+  free(conn->master_buffer);
+  free(conn->localdev);
+#ifdef USE_SSL
+  free(conn->ssl_extra);
+#endif
+  free(conn);
+  return NULL;
+}
+
+/* returns the handler if the given scheme is built-in */
+const struct Curl_handler *Curl_builtin_scheme(const char *scheme)
+{
+  const struct Curl_handler * const *pp;
+  const struct Curl_handler *p;
+  /* Scan protocol handler table and match against 'scheme'. The handler may
+     be changed later when the protocol specific setup function is called. */
+  for(pp = protocols; (p = *pp) != NULL; pp++)
+    if(strcasecompare(p->scheme, scheme))
+      /* Protocol found in table. Check if allowed */
+      return p;
+  return NULL; /* not found */
+}
+
+
+static CURLcode findprotocol(struct Curl_easy *data,
+                             struct connectdata *conn,
+                             const char *protostr)
+{
+  const struct Curl_handler *p = Curl_builtin_scheme(protostr);
+
+  if(p && /* Protocol found in table. Check if allowed */
+     (data->set.allowed_protocols & p->protocol)) {
+
+    /* it is allowed for "normal" request, now do an extra check if this is
+       the result of a redirect */
+    if(data->state.this_is_a_follow &&
+       !(data->set.redir_protocols & p->protocol))
+      /* nope, get out */
+      ;
+    else {
+      /* Perform setup complement if some. */
+      conn->handler = conn->given = p;
+
+      /* 'port' and 'remote_port' are set in setup_connection_internals() */
+      return CURLE_OK;
+    }
+  }
+
+  /* The protocol was not found in the table, but we don't have to assign it
+     to anything since it is already assigned to a dummy-struct in the
+     create_conn() function when the connectdata struct is allocated. */
+  failf(data, "Protocol \"%s\" not supported or disabled in " LIBCURL_NAME,
+        protostr);
+
+  return CURLE_UNSUPPORTED_PROTOCOL;
+}
+
+
+CURLcode Curl_uc_to_curlcode(CURLUcode uc)
+{
+  switch(uc) {
+  default:
+    return CURLE_URL_MALFORMAT;
+  case CURLUE_UNSUPPORTED_SCHEME:
+    return CURLE_UNSUPPORTED_PROTOCOL;
+  case CURLUE_OUT_OF_MEMORY:
+    return CURLE_OUT_OF_MEMORY;
+  case CURLUE_USER_NOT_ALLOWED:
+    return CURLE_LOGIN_DENIED;
+  }
+}
+
+/*
+ * Parse URL and fill in the relevant members of the connection struct.
+ */
+static CURLcode parseurlandfillconn(struct Curl_easy *data,
+                                    struct connectdata *conn)
+{
+  CURLcode result;
+  CURLU *uh;
+  CURLUcode uc;
+  char *hostname;
+
+  Curl_up_free(data); /* cleanup previous leftovers first */
+
+  /* parse the URL */
+  if(data->set.uh) {
+    uh = data->set.uh;
+  }
+  else {
+    uh = data->state.uh = curl_url();
+  }
+
+  if(!uh)
+    return CURLE_OUT_OF_MEMORY;
+
+  if(data->set.str[STRING_DEFAULT_PROTOCOL] &&
+     !Curl_is_absolute_url(data->change.url, NULL, MAX_SCHEME_LEN)) {
+    char *url;
+    if(data->change.url_alloc)
+      free(data->change.url);
+    url = aprintf("%s://%s", data->set.str[STRING_DEFAULT_PROTOCOL],
+                  data->change.url);
+    if(!url)
+      return CURLE_OUT_OF_MEMORY;
+    data->change.url = url;
+    data->change.url_alloc = TRUE;
+  }
+
+  if(!data->set.uh) {
+    uc = curl_url_set(uh, CURLUPART_URL, data->change.url,
+                    CURLU_GUESS_SCHEME |
+                    CURLU_NON_SUPPORT_SCHEME |
+                    (data->set.disallow_username_in_url ?
+                     CURLU_DISALLOW_USER : 0) |
+                    (data->set.path_as_is ? CURLU_PATH_AS_IS : 0));
+    if(uc) {
+      DEBUGF(infof(data, "curl_url_set rejected %s\n", data->change.url));
+      return Curl_uc_to_curlcode(uc);
+    }
+  }
+
+  uc = curl_url_get(uh, CURLUPART_SCHEME, &data->state.up.scheme, 0);
+  if(uc)
+    return Curl_uc_to_curlcode(uc);
+
+  result = findprotocol(data, conn, data->state.up.scheme);
+  if(result)
+    return result;
+
+  uc = curl_url_get(uh, CURLUPART_USER, &data->state.up.user,
+                    CURLU_URLDECODE);
+  if(!uc) {
+    conn->user = strdup(data->state.up.user);
+    if(!conn->user)
+      return CURLE_OUT_OF_MEMORY;
+    conn->bits.user_passwd = TRUE;
+  }
+  else if(uc != CURLUE_NO_USER)
+    return Curl_uc_to_curlcode(uc);
+
+  uc = curl_url_get(uh, CURLUPART_PASSWORD, &data->state.up.password,
+                    CURLU_URLDECODE);
+  if(!uc) {
+    conn->passwd = strdup(data->state.up.password);
+    if(!conn->passwd)
+      return CURLE_OUT_OF_MEMORY;
+    conn->bits.user_passwd = TRUE;
+  }
+  else if(uc != CURLUE_NO_PASSWORD)
+    return Curl_uc_to_curlcode(uc);
+
+  uc = curl_url_get(uh, CURLUPART_OPTIONS, &data->state.up.options,
+                    CURLU_URLDECODE);
+  if(!uc) {
+    conn->options = strdup(data->state.up.options);
+    if(!conn->options)
+      return CURLE_OUT_OF_MEMORY;
+  }
+  else if(uc != CURLUE_NO_OPTIONS)
+    return Curl_uc_to_curlcode(uc);
+
+  uc = curl_url_get(uh, CURLUPART_HOST, &data->state.up.hostname, 0);
+  if(uc) {
+    if(!strcasecompare("file", data->state.up.scheme))
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  uc = curl_url_get(uh, CURLUPART_PATH, &data->state.up.path, 0);
+  if(uc)
+    return Curl_uc_to_curlcode(uc);
+
+  uc = curl_url_get(uh, CURLUPART_PORT, &data->state.up.port,
+                    CURLU_DEFAULT_PORT);
+  if(uc) {
+    if(!strcasecompare("file", data->state.up.scheme))
+      return CURLE_OUT_OF_MEMORY;
+  }
+  else {
+    unsigned long port = strtoul(data->state.up.port, NULL, 10);
+    conn->remote_port = curlx_ultous(port);
+  }
+
+  (void)curl_url_get(uh, CURLUPART_QUERY, &data->state.up.query, 0);
+
+  hostname = data->state.up.hostname;
+  if(!hostname)
+    /* this is for file:// transfers, get a dummy made */
+    hostname = (char *)"";
+
+  if(hostname[0] == '[') {
+    /* This looks like an IPv6 address literal.  See if there is an address
+       scope. */
+    char *percent = strchr(++hostname, '%');
+    conn->bits.ipv6_ip = TRUE;
+    if(percent) {
+      unsigned int identifier_offset = 3;
+      char *endp;
+      unsigned long scope;
+      if(strncmp("%25", percent, 3) != 0) {
+        infof(data,
+              "Please URL encode %% as %%25, see RFC 6874.\n");
+        identifier_offset = 1;
+      }
+      scope = strtoul(percent + identifier_offset, &endp, 10);
+      if(*endp == ']') {
+        /* The address scope was well formed.  Knock it out of the
+           hostname. */
+        memmove(percent, endp, strlen(endp) + 1);
+        conn->scope_id = (unsigned int)scope;
+      }
+      else {
+        /* Zone identifier is not numeric */
+#if defined(HAVE_NET_IF_H) && defined(IFNAMSIZ) && defined(HAVE_IF_NAMETOINDEX)
+        char ifname[IFNAMSIZ + 2];
+        char *square_bracket;
+        unsigned int scopeidx = 0;
+        strncpy(ifname, percent + identifier_offset, IFNAMSIZ + 2);
+        /* Ensure nullbyte termination */
+        ifname[IFNAMSIZ + 1] = '\0';
+        square_bracket = strchr(ifname, ']');
+        if(square_bracket) {
+          /* Remove ']' */
+          *square_bracket = '\0';
+          scopeidx = if_nametoindex(ifname);
+          if(scopeidx == 0) {
+            infof(data, "Invalid network interface: %s; %s\n", ifname,
+                  strerror(errno));
+          }
+        }
+        if(scopeidx > 0) {
+          char *p = percent + identifier_offset + strlen(ifname);
+
+          /* Remove zone identifier from hostname */
+          memmove(percent, p, strlen(p) + 1);
+          conn->scope_id = scopeidx;
+        }
+        else
+#endif /* HAVE_NET_IF_H && IFNAMSIZ */
+          infof(data, "Invalid IPv6 address format\n");
+      }
+    }
+    percent = strchr(hostname, ']');
+    if(percent)
+      /* terminate IPv6 numerical at end bracket */
+      *percent = 0;
+  }
+
+  /* make sure the connect struct gets its own copy of the host name */
+  conn->host.rawalloc = strdup(hostname);
+  if(!conn->host.rawalloc)
+    return CURLE_OUT_OF_MEMORY;
+  conn->host.name = conn->host.rawalloc;
+
+  if(data->set.scope_id)
+    /* Override any scope that was set above.  */
+    conn->scope_id = data->set.scope_id;
+
+  return CURLE_OK;
+}
+
+
+/*
+ * If we're doing a resumed transfer, we need to setup our stuff
+ * properly.
+ */
+static CURLcode setup_range(struct Curl_easy *data)
+{
+  struct UrlState *s = &data->state;
+  s->resume_from = data->set.set_resume_from;
+  if(s->resume_from || data->set.str[STRING_SET_RANGE]) {
+    if(s->rangestringalloc)
+      free(s->range);
+
+    if(s->resume_from)
+      s->range = aprintf("%" CURL_FORMAT_CURL_OFF_T "-", s->resume_from);
+    else
+      s->range = strdup(data->set.str[STRING_SET_RANGE]);
+
+    s->rangestringalloc = (s->range) ? TRUE : FALSE;
+
+    if(!s->range)
+      return CURLE_OUT_OF_MEMORY;
+
+    /* tell ourselves to fetch this range */
+    s->use_range = TRUE;        /* enable range download */
+  }
+  else
+    s->use_range = FALSE; /* disable range download */
+
+  return CURLE_OK;
+}
+
+
+/*
+ * setup_connection_internals() -
+ *
+ * Setup connection internals specific to the requested protocol in the
+ * Curl_easy. This is inited and setup before the connection is made but
+ * is about the particular protocol that is to be used.
+ *
+ * This MUST get called after proxy magic has been figured out.
+ */
+static CURLcode setup_connection_internals(struct connectdata *conn)
+{
+  const struct Curl_handler * p;
+  CURLcode result;
+  conn->socktype = SOCK_STREAM; /* most of them are TCP streams */
+
+  /* Perform setup complement if some. */
+  p = conn->handler;
+
+  if(p->setup_connection) {
+    result = (*p->setup_connection)(conn);
+
+    if(result)
+      return result;
+
+    p = conn->handler;              /* May have changed. */
+  }
+
+  if(conn->port < 0)
+    /* we check for -1 here since if proxy was detected already, this
+       was very likely already set to the proxy port */
+    conn->port = p->defport;
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_free_request_state() should free temp data that was allocated in the
+ * Curl_easy for this single request.
+ */
+
+void Curl_free_request_state(struct Curl_easy *data)
+{
+  Curl_safefree(data->req.protop);
+  Curl_safefree(data->req.newurl);
+}
+
+
+#ifndef CURL_DISABLE_PROXY
+/****************************************************************
+* Checks if the host is in the noproxy list. returns true if it matches
+* and therefore the proxy should NOT be used.
+****************************************************************/
+static bool check_noproxy(const char *name, const char *no_proxy)
+{
+  /* no_proxy=domain1.dom,host.domain2.dom
+   *   (a comma-separated list of hosts which should
+   *   not be proxied, or an asterisk to override
+   *   all proxy variables)
+   */
+  if(no_proxy && no_proxy[0]) {
+    size_t tok_start;
+    size_t tok_end;
+    const char *separator = ", ";
+    size_t no_proxy_len;
+    size_t namelen;
+    char *endptr;
+    if(strcasecompare("*", no_proxy)) {
+      return TRUE;
+    }
+
+    /* NO_PROXY was specified and it wasn't just an asterisk */
+
+    no_proxy_len = strlen(no_proxy);
+    if(name[0] == '[') {
+      /* IPv6 numerical address */
+      endptr = strchr(name, ']');
+      if(!endptr)
+        return FALSE;
+      name++;
+      namelen = endptr - name;
+    }
+    else
+      namelen = strlen(name);
+
+    for(tok_start = 0; tok_start < no_proxy_len; tok_start = tok_end + 1) {
+      while(tok_start < no_proxy_len &&
+            strchr(separator, no_proxy[tok_start]) != NULL) {
+        /* Look for the beginning of the token. */
+        ++tok_start;
+      }
+
+      if(tok_start == no_proxy_len)
+        break; /* It was all trailing separator chars, no more tokens. */
+
+      for(tok_end = tok_start; tok_end < no_proxy_len &&
+            strchr(separator, no_proxy[tok_end]) == NULL; ++tok_end)
+        /* Look for the end of the token. */
+        ;
+
+      /* To match previous behaviour, where it was necessary to specify
+       * ".local.com" to prevent matching "notlocal.com", we will leave
+       * the '.' off.
+       */
+      if(no_proxy[tok_start] == '.')
+        ++tok_start;
+
+      if((tok_end - tok_start) <= namelen) {
+        /* Match the last part of the name to the domain we are checking. */
+        const char *checkn = name + namelen - (tok_end - tok_start);
+        if(strncasecompare(no_proxy + tok_start, checkn,
+                           tok_end - tok_start)) {
+          if((tok_end - tok_start) == namelen || *(checkn - 1) == '.') {
+            /* We either have an exact match, or the previous character is a .
+             * so it is within the same domain, so no proxy for this host.
+             */
+            return TRUE;
+          }
+        }
+      } /* if((tok_end - tok_start) <= namelen) */
+    } /* for(tok_start = 0; tok_start < no_proxy_len;
+         tok_start = tok_end + 1) */
+  } /* NO_PROXY was specified and it wasn't just an asterisk */
+
+  return FALSE;
+}
+
+#ifndef CURL_DISABLE_HTTP
+/****************************************************************
+* Detect what (if any) proxy to use. Remember that this selects a host
+* name and is not limited to HTTP proxies only.
+* The returned pointer must be freed by the caller (unless NULL)
+****************************************************************/
+static char *detect_proxy(struct connectdata *conn)
+{
+  char *proxy = NULL;
+
+  /* If proxy was not specified, we check for default proxy environment
+   * variables, to enable i.e Lynx compliance:
+   *
+   * http_proxy=http://some.server.dom:port/
+   * https_proxy=http://some.server.dom:port/
+   * ftp_proxy=http://some.server.dom:port/
+   * no_proxy=domain1.dom,host.domain2.dom
+   *   (a comma-separated list of hosts which should
+   *   not be proxied, or an asterisk to override
+   *   all proxy variables)
+   * all_proxy=http://some.server.dom:port/
+   *   (seems to exist for the CERN www lib. Probably
+   *   the first to check for.)
+   *
+   * For compatibility, the all-uppercase versions of these variables are
+   * checked if the lowercase versions don't exist.
+   */
+  char proxy_env[128];
+  const char *protop = conn->handler->scheme;
+  char *envp = proxy_env;
+  char *prox;
+
+  /* Now, build <protocol>_proxy and check for such a one to use */
+  while(*protop)
+    *envp++ = (char)tolower((int)*protop++);
+
+  /* append _proxy */
+  strcpy(envp, "_proxy");
+
+  /* read the protocol proxy: */
+  prox = curl_getenv(proxy_env);
+
+  /*
+   * We don't try the uppercase version of HTTP_PROXY because of
+   * security reasons:
+   *
+   * When curl is used in a webserver application
+   * environment (cgi or php), this environment variable can
+   * be controlled by the web server user by setting the
+   * http header 'Proxy:' to some value.
+   *
+   * This can cause 'internal' http/ftp requests to be
+   * arbitrarily redirected by any external attacker.
+   */
+  if(!prox && !strcasecompare("http_proxy", proxy_env)) {
+    /* There was no lowercase variable, try the uppercase version: */
+    Curl_strntoupper(proxy_env, proxy_env, sizeof(proxy_env));
+    prox = curl_getenv(proxy_env);
+  }
+
+  envp = proxy_env;
+  if(prox) {
+    proxy = prox; /* use this */
+  }
+  else {
+    envp = (char *)"all_proxy";
+    proxy = curl_getenv(envp); /* default proxy to use */
+    if(!proxy) {
+      envp = (char *)"ALL_PROXY";
+      proxy = curl_getenv(envp);
+    }
+  }
+  if(proxy)
+    infof(conn->data, "Uses proxy env variable %s == '%s'\n", envp, proxy);
+
+  return proxy;
+}
+#endif /* CURL_DISABLE_HTTP */
+
+/*
+ * If this is supposed to use a proxy, we need to figure out the proxy
+ * host name, so that we can re-use an existing connection
+ * that may exist registered to the same proxy host.
+ */
+static CURLcode parse_proxy(struct Curl_easy *data,
+                            struct connectdata *conn, char *proxy,
+                            curl_proxytype proxytype)
+{
+  char *prox_portno;
+  char *endofprot;
+
+  /* We use 'proxyptr' to point to the proxy name from now on... */
+  char *proxyptr;
+  char *portptr;
+  char *atsign;
+  long port = -1;
+  char *proxyuser = NULL;
+  char *proxypasswd = NULL;
+  bool sockstype;
+
+  /* We do the proxy host string parsing here. We want the host name and the
+   * port name. Accept a protocol:// prefix
+   */
+
+  /* Parse the protocol part if present */
+  endofprot = strstr(proxy, "://");
+  if(endofprot) {
+    proxyptr = endofprot + 3;
+    if(checkprefix("https", proxy))
+      proxytype = CURLPROXY_HTTPS;
+    else if(checkprefix("socks5h", proxy))
+      proxytype = CURLPROXY_SOCKS5_HOSTNAME;
+    else if(checkprefix("socks5", proxy))
+      proxytype = CURLPROXY_SOCKS5;
+    else if(checkprefix("socks4a", proxy))
+      proxytype = CURLPROXY_SOCKS4A;
+    else if(checkprefix("socks4", proxy) || checkprefix("socks", proxy))
+      proxytype = CURLPROXY_SOCKS4;
+    else if(checkprefix("http:", proxy))
+      ; /* leave it as HTTP or HTTP/1.0 */
+    else {
+      /* Any other xxx:// reject! */
+      failf(data, "Unsupported proxy scheme for \'%s\'", proxy);
+      return CURLE_COULDNT_CONNECT;
+    }
+  }
+  else
+    proxyptr = proxy; /* No xxx:// head: It's a HTTP proxy */
+
+#ifdef USE_SSL
+  if(!(Curl_ssl->supports & SSLSUPP_HTTPS_PROXY))
+#endif
+    if(proxytype == CURLPROXY_HTTPS) {
+      failf(data, "Unsupported proxy \'%s\', libcurl is built without the "
+                  "HTTPS-proxy support.", proxy);
+      return CURLE_NOT_BUILT_IN;
+    }
+
+  sockstype = proxytype == CURLPROXY_SOCKS5_HOSTNAME ||
+              proxytype == CURLPROXY_SOCKS5 ||
+              proxytype == CURLPROXY_SOCKS4A ||
+              proxytype == CURLPROXY_SOCKS4;
+
+  /* Is there a username and password given in this proxy url? */
+  atsign = strchr(proxyptr, '@');
+  if(atsign) {
+    CURLcode result =
+      Curl_parse_login_details(proxyptr, atsign - proxyptr,
+                               &proxyuser, &proxypasswd, NULL);
+    if(result)
+      return result;
+    proxyptr = atsign + 1;
+  }
+
+  /* start scanning for port number at this point */
+  portptr = proxyptr;
+
+  /* detect and extract RFC6874-style IPv6-addresses */
+  if(*proxyptr == '[') {
+    char *ptr = ++proxyptr; /* advance beyond the initial bracket */
+    while(*ptr && (ISXDIGIT(*ptr) || (*ptr == ':') || (*ptr == '.')))
+      ptr++;
+    if(*ptr == '%') {
+      /* There might be a zone identifier */
+      if(strncmp("%25", ptr, 3))
+        infof(data, "Please URL encode %% as %%25, see RFC 6874.\n");
+      ptr++;
+      /* Allow unreserved characters as defined in RFC 3986 */
+      while(*ptr && (ISALPHA(*ptr) || ISXDIGIT(*ptr) || (*ptr == '-') ||
+                     (*ptr == '.') || (*ptr == '_') || (*ptr == '~')))
+        ptr++;
+    }
+    if(*ptr == ']')
+      /* yeps, it ended nicely with a bracket as well */
+      *ptr++ = 0;
+    else
+      infof(data, "Invalid IPv6 address format\n");
+    portptr = ptr;
+    /* Note that if this didn't end with a bracket, we still advanced the
+     * proxyptr first, but I can't see anything wrong with that as no host
+     * name nor a numeric can legally start with a bracket.
+     */
+  }
+
+  /* Get port number off proxy.server.com:1080 */
+  prox_portno = strchr(portptr, ':');
+  if(prox_portno) {
+    char *endp = NULL;
+
+    *prox_portno = 0x0; /* cut off number from host name */
+    prox_portno ++;
+    /* now set the local port number */
+    port = strtol(prox_portno, &endp, 10);
+    if((endp && *endp && (*endp != '/') && (*endp != ' ')) ||
+       (port < 0) || (port > 65535)) {
+      /* meant to detect for example invalid IPv6 numerical addresses without
+         brackets: "2a00:fac0:a000::7:13". Accept a trailing slash only
+         because we then allow "URL style" with the number followed by a
+         slash, used in curl test cases already. Space is also an acceptable
+         terminating symbol. */
+      infof(data, "No valid port number in proxy string (%s)\n",
+            prox_portno);
+    }
+    else
+      conn->port = port;
+  }
+  else {
+    if(proxyptr[0]=='/') {
+      /* If the first character in the proxy string is a slash, fail
+         immediately. The following code will otherwise clear the string which
+         will lead to code running as if no proxy was set! */
+      Curl_safefree(proxyuser);
+      Curl_safefree(proxypasswd);
+      return CURLE_COULDNT_RESOLVE_PROXY;
+    }
+
+    /* without a port number after the host name, some people seem to use
+       a slash so we strip everything from the first slash */
+    atsign = strchr(proxyptr, '/');
+    if(atsign)
+      *atsign = '\0'; /* cut off path part from host name */
+
+    if(data->set.proxyport)
+      /* None given in the proxy string, then get the default one if it is
+         given */
+      port = data->set.proxyport;
+    else {
+      if(proxytype == CURLPROXY_HTTPS)
+        port = CURL_DEFAULT_HTTPS_PROXY_PORT;
+      else
+        port = CURL_DEFAULT_PROXY_PORT;
+    }
+  }
+
+  if(*proxyptr) {
+    struct proxy_info *proxyinfo =
+      sockstype ? &conn->socks_proxy : &conn->http_proxy;
+    proxyinfo->proxytype = proxytype;
+
+    if(proxyuser) {
+      /* found user and password, rip them out.  note that we are unescaping
+         them, as there is otherwise no way to have a username or password
+         with reserved characters like ':' in them. */
+      Curl_safefree(proxyinfo->user);
+      proxyinfo->user = curl_easy_unescape(data, proxyuser, 0, NULL);
+      Curl_safefree(proxyuser);
+
+      if(!proxyinfo->user) {
+        Curl_safefree(proxypasswd);
+        return CURLE_OUT_OF_MEMORY;
+      }
+
+      Curl_safefree(proxyinfo->passwd);
+      if(proxypasswd && strlen(proxypasswd) < MAX_CURL_PASSWORD_LENGTH)
+        proxyinfo->passwd = curl_easy_unescape(data, proxypasswd, 0, NULL);
+      else
+        proxyinfo->passwd = strdup("");
+      Curl_safefree(proxypasswd);
+
+      if(!proxyinfo->passwd)
+        return CURLE_OUT_OF_MEMORY;
+
+      conn->bits.proxy_user_passwd = TRUE; /* enable it */
+    }
+
+    if(port >= 0) {
+      proxyinfo->port = port;
+      if(conn->port < 0 || sockstype || !conn->socks_proxy.host.rawalloc)
+        conn->port = port;
+    }
+
+    /* now, clone the cleaned proxy host name */
+    Curl_safefree(proxyinfo->host.rawalloc);
+    proxyinfo->host.rawalloc = strdup(proxyptr);
+    proxyinfo->host.name = proxyinfo->host.rawalloc;
+
+    if(!proxyinfo->host.rawalloc)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  Curl_safefree(proxyuser);
+  Curl_safefree(proxypasswd);
+
+  return CURLE_OK;
+}
+
+/*
+ * Extract the user and password from the authentication string
+ */
+static CURLcode parse_proxy_auth(struct Curl_easy *data,
+                                 struct connectdata *conn)
+{
+  char proxyuser[MAX_CURL_USER_LENGTH]="";
+  char proxypasswd[MAX_CURL_PASSWORD_LENGTH]="";
+  CURLcode result;
+
+  if(data->set.str[STRING_PROXYUSERNAME] != NULL) {
+    strncpy(proxyuser, data->set.str[STRING_PROXYUSERNAME],
+            MAX_CURL_USER_LENGTH);
+    proxyuser[MAX_CURL_USER_LENGTH-1] = '\0';   /*To be on safe side*/
+  }
+  if(data->set.str[STRING_PROXYPASSWORD] != NULL) {
+    strncpy(proxypasswd, data->set.str[STRING_PROXYPASSWORD],
+            MAX_CURL_PASSWORD_LENGTH);
+    proxypasswd[MAX_CURL_PASSWORD_LENGTH-1] = '\0'; /*To be on safe side*/
+  }
+
+  result = Curl_urldecode(data, proxyuser, 0, &conn->http_proxy.user, NULL,
+                          FALSE);
+  if(!result)
+    result = Curl_urldecode(data, proxypasswd, 0, &conn->http_proxy.passwd,
+                            NULL, FALSE);
+  return result;
+}
+
+/* create_conn helper to parse and init proxy values. to be called after unix
+   socket init but before any proxy vars are evaluated. */
+static CURLcode create_conn_helper_init_proxy(struct connectdata *conn)
+{
+  char *proxy = NULL;
+  char *socksproxy = NULL;
+  char *no_proxy = NULL;
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  /*************************************************************
+   * Extract the user and password from the authentication string
+   *************************************************************/
+  if(conn->bits.proxy_user_passwd) {
+    result = parse_proxy_auth(data, conn);
+    if(result)
+      goto out;
+  }
+
+  /*************************************************************
+   * Detect what (if any) proxy to use
+   *************************************************************/
+  if(data->set.str[STRING_PROXY]) {
+    proxy = strdup(data->set.str[STRING_PROXY]);
+    /* if global proxy is set, this is it */
+    if(NULL == proxy) {
+      failf(data, "memory shortage");
+      result = CURLE_OUT_OF_MEMORY;
+      goto out;
+    }
+  }
+
+  if(data->set.str[STRING_PRE_PROXY]) {
+    socksproxy = strdup(data->set.str[STRING_PRE_PROXY]);
+    /* if global socks proxy is set, this is it */
+    if(NULL == socksproxy) {
+      failf(data, "memory shortage");
+      result = CURLE_OUT_OF_MEMORY;
+      goto out;
+    }
+  }
+
+  if(!data->set.str[STRING_NOPROXY]) {
+    const char *p = "no_proxy";
+    no_proxy = curl_getenv(p);
+    if(!no_proxy) {
+      p = "NO_PROXY";
+      no_proxy = curl_getenv(p);
+    }
+    if(no_proxy) {
+      infof(conn->data, "Uses proxy env variable %s == '%s'\n", p, no_proxy);
+    }
+  }
+
+  if(check_noproxy(conn->host.name, data->set.str[STRING_NOPROXY] ?
+      data->set.str[STRING_NOPROXY] : no_proxy)) {
+    Curl_safefree(proxy);
+    Curl_safefree(socksproxy);
+  }
+#ifndef CURL_DISABLE_HTTP
+  else if(!proxy && !socksproxy)
+    /* if the host is not in the noproxy list, detect proxy. */
+    proxy = detect_proxy(conn);
+#endif /* CURL_DISABLE_HTTP */
+
+  Curl_safefree(no_proxy);
+
+#ifdef USE_UNIX_SOCKETS
+  /* For the time being do not mix proxy and unix domain sockets. See #1274 */
+  if(proxy && conn->unix_domain_socket) {
+    free(proxy);
+    proxy = NULL;
+  }
+#endif
+
+  if(proxy && (!*proxy || (conn->handler->flags & PROTOPT_NONETWORK))) {
+    free(proxy);  /* Don't bother with an empty proxy string or if the
+                     protocol doesn't work with network */
+    proxy = NULL;
+  }
+  if(socksproxy && (!*socksproxy ||
+                    (conn->handler->flags & PROTOPT_NONETWORK))) {
+    free(socksproxy);  /* Don't bother with an empty socks proxy string or if
+                          the protocol doesn't work with network */
+    socksproxy = NULL;
+  }
+
+  /***********************************************************************
+   * If this is supposed to use a proxy, we need to figure out the proxy host
+   * name, proxy type and port number, so that we can re-use an existing
+   * connection that may exist registered to the same proxy host.
+   ***********************************************************************/
+  if(proxy || socksproxy) {
+    if(proxy) {
+      result = parse_proxy(data, conn, proxy, conn->http_proxy.proxytype);
+      Curl_safefree(proxy); /* parse_proxy copies the proxy string */
+      if(result)
+        goto out;
+    }
+
+    if(socksproxy) {
+      result = parse_proxy(data, conn, socksproxy,
+                           conn->socks_proxy.proxytype);
+      /* parse_proxy copies the socks proxy string */
+      Curl_safefree(socksproxy);
+      if(result)
+        goto out;
+    }
+
+    if(conn->http_proxy.host.rawalloc) {
+#ifdef CURL_DISABLE_HTTP
+      /* asking for a HTTP proxy is a bit funny when HTTP is disabled... */
+      result = CURLE_UNSUPPORTED_PROTOCOL;
+      goto out;
+#else
+      /* force this connection's protocol to become HTTP if compatible */
+      if(!(conn->handler->protocol & PROTO_FAMILY_HTTP)) {
+        if((conn->handler->flags & PROTOPT_PROXY_AS_HTTP) &&
+           !conn->bits.tunnel_proxy)
+          conn->handler = &Curl_handler_http;
+        else
+          /* if not converting to HTTP over the proxy, enforce tunneling */
+          conn->bits.tunnel_proxy = TRUE;
+      }
+      conn->bits.httpproxy = TRUE;
+#endif
+    }
+    else {
+      conn->bits.httpproxy = FALSE; /* not a HTTP proxy */
+      conn->bits.tunnel_proxy = FALSE; /* no tunneling if not HTTP */
+    }
+
+    if(conn->socks_proxy.host.rawalloc) {
+      if(!conn->http_proxy.host.rawalloc) {
+        /* once a socks proxy */
+        if(!conn->socks_proxy.user) {
+          conn->socks_proxy.user = conn->http_proxy.user;
+          conn->http_proxy.user = NULL;
+          Curl_safefree(conn->socks_proxy.passwd);
+          conn->socks_proxy.passwd = conn->http_proxy.passwd;
+          conn->http_proxy.passwd = NULL;
+        }
+      }
+      conn->bits.socksproxy = TRUE;
+    }
+    else
+      conn->bits.socksproxy = FALSE; /* not a socks proxy */
+  }
+  else {
+    conn->bits.socksproxy = FALSE;
+    conn->bits.httpproxy = FALSE;
+  }
+  conn->bits.proxy = conn->bits.httpproxy || conn->bits.socksproxy;
+
+  if(!conn->bits.proxy) {
+    /* we aren't using the proxy after all... */
+    conn->bits.proxy = FALSE;
+    conn->bits.httpproxy = FALSE;
+    conn->bits.socksproxy = FALSE;
+    conn->bits.proxy_user_passwd = FALSE;
+    conn->bits.tunnel_proxy = FALSE;
+  }
+
+out:
+
+  free(socksproxy);
+  free(proxy);
+  return result;
+}
+#endif /* CURL_DISABLE_PROXY */
+
+/*
+ * Curl_parse_login_details()
+ *
+ * This is used to parse a login string for user name, password and options in
+ * the following formats:
+ *
+ *   user
+ *   user:password
+ *   user:password;options
+ *   user;options
+ *   user;options:password
+ *   :password
+ *   :password;options
+ *   ;options
+ *   ;options:password
+ *
+ * Parameters:
+ *
+ * login    [in]     - The login string.
+ * len      [in]     - The length of the login string.
+ * userp    [in/out] - The address where a pointer to newly allocated memory
+ *                     holding the user will be stored upon completion.
+ * passwdp  [in/out] - The address where a pointer to newly allocated memory
+ *                     holding the password will be stored upon completion.
+ * optionsp [in/out] - The address where a pointer to newly allocated memory
+ *                     holding the options will be stored upon completion.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_parse_login_details(const char *login, const size_t len,
+                                  char **userp, char **passwdp,
+                                  char **optionsp)
+{
+  CURLcode result = CURLE_OK;
+  char *ubuf = NULL;
+  char *pbuf = NULL;
+  char *obuf = NULL;
+  const char *psep = NULL;
+  const char *osep = NULL;
+  size_t ulen;
+  size_t plen;
+  size_t olen;
+
+  /* Attempt to find the password separator */
+  if(passwdp) {
+    psep = strchr(login, ':');
+
+    /* Within the constraint of the login string */
+    if(psep >= login + len)
+      psep = NULL;
+  }
+
+  /* Attempt to find the options separator */
+  if(optionsp) {
+    osep = strchr(login, ';');
+
+    /* Within the constraint of the login string */
+    if(osep >= login + len)
+      osep = NULL;
+  }
+
+  /* Calculate the portion lengths */
+  ulen = (psep ?
+          (size_t)(osep && psep > osep ? osep - login : psep - login) :
+          (osep ? (size_t)(osep - login) : len));
+  plen = (psep ?
+          (osep && osep > psep ? (size_t)(osep - psep) :
+                                 (size_t)(login + len - psep)) - 1 : 0);
+  olen = (osep ?
+          (psep && psep > osep ? (size_t)(psep - osep) :
+                                 (size_t)(login + len - osep)) - 1 : 0);
+
+  /* Allocate the user portion buffer */
+  if(userp && ulen) {
+    ubuf = malloc(ulen + 1);
+    if(!ubuf)
+      result = CURLE_OUT_OF_MEMORY;
+  }
+
+  /* Allocate the password portion buffer */
+  if(!result && passwdp && plen) {
+    pbuf = malloc(plen + 1);
+    if(!pbuf) {
+      free(ubuf);
+      result = CURLE_OUT_OF_MEMORY;
+    }
+  }
+
+  /* Allocate the options portion buffer */
+  if(!result && optionsp && olen) {
+    obuf = malloc(olen + 1);
+    if(!obuf) {
+      free(pbuf);
+      free(ubuf);
+      result = CURLE_OUT_OF_MEMORY;
+    }
+  }
+
+  if(!result) {
+    /* Store the user portion if necessary */
+    if(ubuf) {
+      memcpy(ubuf, login, ulen);
+      ubuf[ulen] = '\0';
+      Curl_safefree(*userp);
+      *userp = ubuf;
+    }
+
+    /* Store the password portion if necessary */
+    if(pbuf) {
+      memcpy(pbuf, psep + 1, plen);
+      pbuf[plen] = '\0';
+      Curl_safefree(*passwdp);
+      *passwdp = pbuf;
+    }
+
+    /* Store the options portion if necessary */
+    if(obuf) {
+      memcpy(obuf, osep + 1, olen);
+      obuf[olen] = '\0';
+      Curl_safefree(*optionsp);
+      *optionsp = obuf;
+    }
+  }
+
+  return result;
+}
+
+/*************************************************************
+ * Figure out the remote port number and fix it in the URL
+ *
+ * No matter if we use a proxy or not, we have to figure out the remote
+ * port number of various reasons.
+ *
+ * The port number embedded in the URL is replaced, if necessary.
+ *************************************************************/
+static CURLcode parse_remote_port(struct Curl_easy *data,
+                                  struct connectdata *conn)
+{
+
+  if(data->set.use_port && data->state.allow_port) {
+    /* if set, we use this instead of the port possibly given in the URL */
+    char portbuf[16];
+    CURLUcode uc;
+    conn->remote_port = (unsigned short)data->set.use_port;
+    msnprintf(portbuf, sizeof(portbuf), "%d", conn->remote_port);
+    uc = curl_url_set(data->state.uh, CURLUPART_PORT, portbuf, 0);
+    if(uc)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  return CURLE_OK;
+}
+
+/*
+ * Override the login details from the URL with that in the CURLOPT_USERPWD
+ * option or a .netrc file, if applicable.
+ */
+static CURLcode override_login(struct Curl_easy *data,
+                               struct connectdata *conn,
+                               char **userp, char **passwdp, char **optionsp)
+{
+  bool user_changed = FALSE;
+  bool passwd_changed = FALSE;
+  CURLUcode uc;
+
+  if(data->set.use_netrc == CURL_NETRC_REQUIRED && conn->bits.user_passwd) {
+    /* ignore user+password in the URL */
+    if(*userp) {
+      Curl_safefree(*userp);
+      user_changed = TRUE;
+    }
+    if(*passwdp) {
+      Curl_safefree(*passwdp);
+      passwd_changed = TRUE;
+    }
+    conn->bits.user_passwd = FALSE; /* disable user+password */
+  }
+
+  if(data->set.str[STRING_USERNAME]) {
+    free(*userp);
+    *userp = strdup(data->set.str[STRING_USERNAME]);
+    if(!*userp)
+      return CURLE_OUT_OF_MEMORY;
+    conn->bits.user_passwd = TRUE; /* enable user+password */
+    user_changed = TRUE;
+  }
+
+  if(data->set.str[STRING_PASSWORD]) {
+    free(*passwdp);
+    *passwdp = strdup(data->set.str[STRING_PASSWORD]);
+    if(!*passwdp)
+      return CURLE_OUT_OF_MEMORY;
+    conn->bits.user_passwd = TRUE; /* enable user+password */
+    passwd_changed = TRUE;
+  }
+
+  if(data->set.str[STRING_OPTIONS]) {
+    free(*optionsp);
+    *optionsp = strdup(data->set.str[STRING_OPTIONS]);
+    if(!*optionsp)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  conn->bits.netrc = FALSE;
+  if(data->set.use_netrc != CURL_NETRC_IGNORED &&
+      (!*userp || !**userp || !*passwdp || !**passwdp)) {
+    bool netrc_user_changed = FALSE;
+    bool netrc_passwd_changed = FALSE;
+    int ret;
+
+    ret = Curl_parsenetrc(conn->host.name,
+                          userp, passwdp,
+                          &netrc_user_changed, &netrc_passwd_changed,
+                          data->set.str[STRING_NETRC_FILE]);
+    if(ret > 0) {
+      infof(data, "Couldn't find host %s in the "
+            DOT_CHAR "netrc file; using defaults\n",
+            conn->host.name);
+    }
+    else if(ret < 0) {
+      return CURLE_OUT_OF_MEMORY;
+    }
+    else {
+      /* set bits.netrc TRUE to remember that we got the name from a .netrc
+         file, so that it is safe to use even if we followed a Location: to a
+         different host or similar. */
+      conn->bits.netrc = TRUE;
+      conn->bits.user_passwd = TRUE; /* enable user+password */
+
+      if(netrc_user_changed) {
+        user_changed = TRUE;
+      }
+      if(netrc_passwd_changed) {
+        passwd_changed = TRUE;
+      }
+    }
+  }
+
+  /* for updated strings, we update them in the URL */
+  if(user_changed) {
+    uc = curl_url_set(data->state.uh, CURLUPART_USER, *userp, 0);
+    if(uc)
+      return Curl_uc_to_curlcode(uc);
+  }
+  if(passwd_changed) {
+    uc = curl_url_set(data->state.uh, CURLUPART_PASSWORD, *passwdp, 0);
+    if(uc)
+      return Curl_uc_to_curlcode(uc);
+  }
+  return CURLE_OK;
+}
+
+/*
+ * Set the login details so they're available in the connection
+ */
+static CURLcode set_login(struct connectdata *conn)
+{
+  CURLcode result = CURLE_OK;
+  const char *setuser = CURL_DEFAULT_USER;
+  const char *setpasswd = CURL_DEFAULT_PASSWORD;
+
+  /* If our protocol needs a password and we have none, use the defaults */
+  if((conn->handler->flags & PROTOPT_NEEDSPWD) && !conn->bits.user_passwd)
+    ;
+  else {
+    setuser = "";
+    setpasswd = "";
+  }
+  /* Store the default user */
+  if(!conn->user) {
+    conn->user = strdup(setuser);
+    if(!conn->user)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  /* Store the default password */
+  if(!conn->passwd) {
+    conn->passwd = strdup(setpasswd);
+    if(!conn->passwd)
+      result = CURLE_OUT_OF_MEMORY;
+  }
+
+  /* if there's a user without password, consider password blank */
+  if(conn->user && !conn->passwd) {
+    conn->passwd = strdup("");
+    if(!conn->passwd)
+      result = CURLE_OUT_OF_MEMORY;
+  }
+
+  return result;
+}
+
+/*
+ * Parses a "host:port" string to connect to.
+ * The hostname and the port may be empty; in this case, NULL is returned for
+ * the hostname and -1 for the port.
+ */
+static CURLcode parse_connect_to_host_port(struct Curl_easy *data,
+                                           const char *host,
+                                           char **hostname_result,
+                                           int *port_result)
+{
+  char *host_dup;
+  char *hostptr;
+  char *host_portno;
+  char *portptr;
+  int port = -1;
+
+#if defined(CURL_DISABLE_VERBOSE_STRINGS)
+  (void) data;
+#endif
+
+  *hostname_result = NULL;
+  *port_result = -1;
+
+  if(!host || !*host)
+    return CURLE_OK;
+
+  host_dup = strdup(host);
+  if(!host_dup)
+    return CURLE_OUT_OF_MEMORY;
+
+  hostptr = host_dup;
+
+  /* start scanning for port number at this point */
+  portptr = hostptr;
+
+  /* detect and extract RFC6874-style IPv6-addresses */
+  if(*hostptr == '[') {
+#ifdef ENABLE_IPV6
+    char *ptr = ++hostptr; /* advance beyond the initial bracket */
+    while(*ptr && (ISXDIGIT(*ptr) || (*ptr == ':') || (*ptr == '.')))
+      ptr++;
+    if(*ptr == '%') {
+      /* There might be a zone identifier */
+      if(strncmp("%25", ptr, 3))
+        infof(data, "Please URL encode %% as %%25, see RFC 6874.\n");
+      ptr++;
+      /* Allow unreserved characters as defined in RFC 3986 */
+      while(*ptr && (ISALPHA(*ptr) || ISXDIGIT(*ptr) || (*ptr == '-') ||
+                     (*ptr == '.') || (*ptr == '_') || (*ptr == '~')))
+        ptr++;
+    }
+    if(*ptr == ']')
+      /* yeps, it ended nicely with a bracket as well */
+      *ptr++ = '\0';
+    else
+      infof(data, "Invalid IPv6 address format\n");
+    portptr = ptr;
+    /* Note that if this didn't end with a bracket, we still advanced the
+     * hostptr first, but I can't see anything wrong with that as no host
+     * name nor a numeric can legally start with a bracket.
+     */
+#else
+    failf(data, "Use of IPv6 in *_CONNECT_TO without IPv6 support built-in!");
+    free(host_dup);
+    return CURLE_NOT_BUILT_IN;
+#endif
+  }
+
+  /* Get port number off server.com:1080 */
+  host_portno = strchr(portptr, ':');
+  if(host_portno) {
+    char *endp = NULL;
+    *host_portno = '\0'; /* cut off number from host name */
+    host_portno++;
+    if(*host_portno) {
+      long portparse = strtol(host_portno, &endp, 10);
+      if((endp && *endp) || (portparse < 0) || (portparse > 65535)) {
+        infof(data, "No valid port number in connect to host string (%s)\n",
+              host_portno);
+        hostptr = NULL;
+        port = -1;
+      }
+      else
+        port = (int)portparse; /* we know it will fit */
+    }
+  }
+
+  /* now, clone the cleaned host name */
+  if(hostptr) {
+    *hostname_result = strdup(hostptr);
+    if(!*hostname_result) {
+      free(host_dup);
+      return CURLE_OUT_OF_MEMORY;
+    }
+  }
+
+  *port_result = port;
+
+  free(host_dup);
+  return CURLE_OK;
+}
+
+/*
+ * Parses one "connect to" string in the form:
+ * "HOST:PORT:CONNECT-TO-HOST:CONNECT-TO-PORT".
+ */
+static CURLcode parse_connect_to_string(struct Curl_easy *data,
+                                        struct connectdata *conn,
+                                        const char *conn_to_host,
+                                        char **host_result,
+                                        int *port_result)
+{
+  CURLcode result = CURLE_OK;
+  const char *ptr = conn_to_host;
+  int host_match = FALSE;
+  int port_match = FALSE;
+
+  *host_result = NULL;
+  *port_result = -1;
+
+  if(*ptr == ':') {
+    /* an empty hostname always matches */
+    host_match = TRUE;
+    ptr++;
+  }
+  else {
+    /* check whether the URL's hostname matches */
+    size_t hostname_to_match_len;
+    char *hostname_to_match = aprintf("%s%s%s",
+                                      conn->bits.ipv6_ip ? "[" : "",
+                                      conn->host.name,
+                                      conn->bits.ipv6_ip ? "]" : "");
+    if(!hostname_to_match)
+      return CURLE_OUT_OF_MEMORY;
+    hostname_to_match_len = strlen(hostname_to_match);
+    host_match = strncasecompare(ptr, hostname_to_match,
+                                 hostname_to_match_len);
+    free(hostname_to_match);
+    ptr += hostname_to_match_len;
+
+    host_match = host_match && *ptr == ':';
+    ptr++;
+  }
+
+  if(host_match) {
+    if(*ptr == ':') {
+      /* an empty port always matches */
+      port_match = TRUE;
+      ptr++;
+    }
+    else {
+      /* check whether the URL's port matches */
+      char *ptr_next = strchr(ptr, ':');
+      if(ptr_next) {
+        char *endp = NULL;
+        long port_to_match = strtol(ptr, &endp, 10);
+        if((endp == ptr_next) && (port_to_match == conn->remote_port)) {
+          port_match = TRUE;
+          ptr = ptr_next + 1;
+        }
+      }
+    }
+  }
+
+  if(host_match && port_match) {
+    /* parse the hostname and port to connect to */
+    result = parse_connect_to_host_port(data, ptr, host_result, port_result);
+  }
+
+  return result;
+}
+
+/*
+ * Processes all strings in the "connect to" slist, and uses the "connect
+ * to host" and "connect to port" of the first string that matches.
+ */
+static CURLcode parse_connect_to_slist(struct Curl_easy *data,
+                                       struct connectdata *conn,
+                                       struct curl_slist *conn_to_host)
+{
+  CURLcode result = CURLE_OK;
+  char *host = NULL;
+  int port = -1;
+
+  while(conn_to_host && !host && port == -1) {
+    result = parse_connect_to_string(data, conn, conn_to_host->data,
+                                     &host, &port);
+    if(result)
+      return result;
+
+    if(host && *host) {
+      conn->conn_to_host.rawalloc = host;
+      conn->conn_to_host.name = host;
+      conn->bits.conn_to_host = TRUE;
+
+      infof(data, "Connecting to hostname: %s\n", host);
+    }
+    else {
+      /* no "connect to host" */
+      conn->bits.conn_to_host = FALSE;
+      Curl_safefree(host);
+    }
+
+    if(port >= 0) {
+      conn->conn_to_port = port;
+      conn->bits.conn_to_port = TRUE;
+      infof(data, "Connecting to port: %d\n", port);
+    }
+    else {
+      /* no "connect to port" */
+      conn->bits.conn_to_port = FALSE;
+      port = -1;
+    }
+
+    conn_to_host = conn_to_host->next;
+  }
+
+  return result;
+}
+
+/*************************************************************
+ * Resolve the address of the server or proxy
+ *************************************************************/
+static CURLcode resolve_server(struct Curl_easy *data,
+                               struct connectdata *conn,
+                               bool *async)
+{
+  CURLcode result = CURLE_OK;
+  timediff_t timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+  /*************************************************************
+   * Resolve the name of the server or proxy
+   *************************************************************/
+  if(conn->bits.reuse)
+    /* We're reusing the connection - no need to resolve anything, and
+       idnconvert_hostname() was called already in create_conn() for the re-use
+       case. */
+    *async = FALSE;
+
+  else {
+    /* this is a fresh connect */
+    int rc;
+    struct Curl_dns_entry *hostaddr;
+
+#ifdef USE_UNIX_SOCKETS
+    if(conn->unix_domain_socket) {
+      /* Unix domain sockets are local. The host gets ignored, just use the
+       * specified domain socket address. Do not cache "DNS entries". There is
+       * no DNS involved and we already have the filesystem path available */
+      const char *path = conn->unix_domain_socket;
+
+      hostaddr = calloc(1, sizeof(struct Curl_dns_entry));
+      if(!hostaddr)
+        result = CURLE_OUT_OF_MEMORY;
+      else {
+        bool longpath = FALSE;
+        hostaddr->addr = Curl_unix2addr(path, &longpath,
+                                        conn->abstract_unix_socket);
+        if(hostaddr->addr)
+          hostaddr->inuse++;
+        else {
+          /* Long paths are not supported for now */
+          if(longpath) {
+            failf(data, "Unix socket path too long: '%s'", path);
+            result = CURLE_COULDNT_RESOLVE_HOST;
+          }
+          else
+            result = CURLE_OUT_OF_MEMORY;
+          free(hostaddr);
+          hostaddr = NULL;
+        }
+      }
+    }
+    else
+#endif
+    if(!conn->bits.proxy) {
+      struct hostname *connhost;
+      if(conn->bits.conn_to_host)
+        connhost = &conn->conn_to_host;
+      else
+        connhost = &conn->host;
+
+      /* If not connecting via a proxy, extract the port from the URL, if it is
+       * there, thus overriding any defaults that might have been set above. */
+      if(conn->bits.conn_to_port)
+        conn->port = conn->conn_to_port;
+      else
+        conn->port = conn->remote_port;
+
+      /* Resolve target host right on */
+      conn->hostname_resolve = strdup(connhost->name);
+      if(!conn->hostname_resolve)
+        return CURLE_OUT_OF_MEMORY;
+      rc = Curl_resolv_timeout(conn, conn->hostname_resolve, (int)conn->port,
+                               &hostaddr, timeout_ms);
+      if(rc == CURLRESOLV_PENDING)
+        *async = TRUE;
+
+      else if(rc == CURLRESOLV_TIMEDOUT)
+        result = CURLE_OPERATION_TIMEDOUT;
+
+      else if(!hostaddr) {
+        failf(data, "Couldn't resolve host '%s'", connhost->dispname);
+        result =  CURLE_COULDNT_RESOLVE_HOST;
+        /* don't return yet, we need to clean up the timeout first */
+      }
+    }
+    else {
+      /* This is a proxy that hasn't been resolved yet. */
+
+      struct hostname * const host = conn->bits.socksproxy ?
+        &conn->socks_proxy.host : &conn->http_proxy.host;
+
+      /* resolve proxy */
+      conn->hostname_resolve = strdup(host->name);
+      if(!conn->hostname_resolve)
+        return CURLE_OUT_OF_MEMORY;
+      rc = Curl_resolv_timeout(conn, conn->hostname_resolve, (int)conn->port,
+                               &hostaddr, timeout_ms);
+
+      if(rc == CURLRESOLV_PENDING)
+        *async = TRUE;
+
+      else if(rc == CURLRESOLV_TIMEDOUT)
+        result = CURLE_OPERATION_TIMEDOUT;
+
+      else if(!hostaddr) {
+        failf(data, "Couldn't resolve proxy '%s'", host->dispname);
+        result = CURLE_COULDNT_RESOLVE_PROXY;
+        /* don't return yet, we need to clean up the timeout first */
+      }
+    }
+    DEBUGASSERT(conn->dns_entry == NULL);
+    conn->dns_entry = hostaddr;
+  }
+
+  return result;
+}
+
+/*
+ * Cleanup the connection just allocated before we can move along and use the
+ * previously existing one.  All relevant data is copied over and old_conn is
+ * ready for freeing once this function returns.
+ */
+static void reuse_conn(struct connectdata *old_conn,
+                       struct connectdata *conn)
+{
+  free_idnconverted_hostname(&old_conn->http_proxy.host);
+  free_idnconverted_hostname(&old_conn->socks_proxy.host);
+
+  free(old_conn->http_proxy.host.rawalloc);
+  free(old_conn->socks_proxy.host.rawalloc);
+
+  /* free the SSL config struct from this connection struct as this was
+     allocated in vain and is targeted for destruction */
+  Curl_free_primary_ssl_config(&old_conn->ssl_config);
+  Curl_free_primary_ssl_config(&old_conn->proxy_ssl_config);
+
+  conn->data = old_conn->data;
+
+  /* get the user+password information from the old_conn struct since it may
+   * be new for this request even when we re-use an existing connection */
+  conn->bits.user_passwd = old_conn->bits.user_passwd;
+  if(conn->bits.user_passwd) {
+    /* use the new user name and password though */
+    Curl_safefree(conn->user);
+    Curl_safefree(conn->passwd);
+    conn->user = old_conn->user;
+    conn->passwd = old_conn->passwd;
+    old_conn->user = NULL;
+    old_conn->passwd = NULL;
+  }
+
+  conn->bits.proxy_user_passwd = old_conn->bits.proxy_user_passwd;
+  if(conn->bits.proxy_user_passwd) {
+    /* use the new proxy user name and proxy password though */
+    Curl_safefree(conn->http_proxy.user);
+    Curl_safefree(conn->socks_proxy.user);
+    Curl_safefree(conn->http_proxy.passwd);
+    Curl_safefree(conn->socks_proxy.passwd);
+    conn->http_proxy.user = old_conn->http_proxy.user;
+    conn->socks_proxy.user = old_conn->socks_proxy.user;
+    conn->http_proxy.passwd = old_conn->http_proxy.passwd;
+    conn->socks_proxy.passwd = old_conn->socks_proxy.passwd;
+    old_conn->http_proxy.user = NULL;
+    old_conn->socks_proxy.user = NULL;
+    old_conn->http_proxy.passwd = NULL;
+    old_conn->socks_proxy.passwd = NULL;
+  }
+
+  /* host can change, when doing keepalive with a proxy or if the case is
+     different this time etc */
+  free_idnconverted_hostname(&conn->host);
+  free_idnconverted_hostname(&conn->conn_to_host);
+  Curl_safefree(conn->host.rawalloc);
+  Curl_safefree(conn->conn_to_host.rawalloc);
+  conn->host = old_conn->host;
+  conn->conn_to_host = old_conn->conn_to_host;
+  conn->conn_to_port = old_conn->conn_to_port;
+  conn->remote_port = old_conn->remote_port;
+  Curl_safefree(conn->hostname_resolve);
+
+  conn->hostname_resolve = old_conn->hostname_resolve;
+  old_conn->hostname_resolve = NULL;
+
+  /* persist connection info in session handle */
+  Curl_persistconninfo(conn);
+
+  conn_reset_all_postponed_data(old_conn); /* free buffers */
+
+  /* re-use init */
+  conn->bits.reuse = TRUE; /* yes, we're re-using here */
+
+  Curl_safefree(old_conn->user);
+  Curl_safefree(old_conn->passwd);
+  Curl_safefree(old_conn->options);
+  Curl_safefree(old_conn->http_proxy.user);
+  Curl_safefree(old_conn->socks_proxy.user);
+  Curl_safefree(old_conn->http_proxy.passwd);
+  Curl_safefree(old_conn->socks_proxy.passwd);
+  Curl_safefree(old_conn->localdev);
+
+  Curl_llist_destroy(&old_conn->send_pipe, NULL);
+  Curl_llist_destroy(&old_conn->recv_pipe, NULL);
+
+  Curl_safefree(old_conn->master_buffer);
+
+#ifdef USE_UNIX_SOCKETS
+  Curl_safefree(old_conn->unix_domain_socket);
+#endif
+}
+
+/**
+ * create_conn() sets up a new connectdata struct, or re-uses an already
+ * existing one, and resolves host name.
+ *
+ * if this function returns CURLE_OK and *async is set to TRUE, the resolve
+ * response will be coming asynchronously. If *async is FALSE, the name is
+ * already resolved.
+ *
+ * @param data The sessionhandle pointer
+ * @param in_connect is set to the next connection data pointer
+ * @param async is set TRUE when an async DNS resolution is pending
+ * @see Curl_setup_conn()
+ *
+ * *NOTE* this function assigns the conn->data pointer!
+ */
+
+static CURLcode create_conn(struct Curl_easy *data,
+                            struct connectdata **in_connect,
+                            bool *async)
+{
+  CURLcode result = CURLE_OK;
+  struct connectdata *conn;
+  struct connectdata *conn_temp = NULL;
+  bool reuse;
+  bool connections_available = TRUE;
+  bool force_reuse = FALSE;
+  bool waitpipe = FALSE;
+  size_t max_host_connections = Curl_multi_max_host_connections(data->multi);
+  size_t max_total_connections = Curl_multi_max_total_connections(data->multi);
+
+  *async = FALSE;
+  *in_connect = NULL;
+
+  /*************************************************************
+   * Check input data
+   *************************************************************/
+  if(!data->change.url) {
+    result = CURLE_URL_MALFORMAT;
+    goto out;
+  }
+
+  /* First, split up the current URL in parts so that we can use the
+     parts for checking against the already present connections. In order
+     to not have to modify everything at once, we allocate a temporary
+     connection data struct and fill in for comparison purposes. */
+  conn = allocate_conn(data);
+
+  if(!conn) {
+    result = CURLE_OUT_OF_MEMORY;
+    goto out;
+  }
+
+  /* We must set the return variable as soon as possible, so that our
+     parent can cleanup any possible allocs we may have done before
+     any failure */
+  *in_connect = conn;
+
+  result = parseurlandfillconn(data, conn);
+  if(result)
+    goto out;
+
+  if(data->set.str[STRING_BEARER]) {
+    conn->oauth_bearer = strdup(data->set.str[STRING_BEARER]);
+    if(!conn->oauth_bearer) {
+      result = CURLE_OUT_OF_MEMORY;
+      goto out;
+    }
+  }
+
+#ifdef USE_UNIX_SOCKETS
+  if(data->set.str[STRING_UNIX_SOCKET_PATH]) {
+    conn->unix_domain_socket = strdup(data->set.str[STRING_UNIX_SOCKET_PATH]);
+    if(conn->unix_domain_socket == NULL) {
+      result = CURLE_OUT_OF_MEMORY;
+      goto out;
+    }
+    conn->abstract_unix_socket = data->set.abstract_unix_socket;
+  }
+#endif
+
+  /* After the unix socket init but before the proxy vars are used, parse and
+     initialize the proxy vars */
+#ifndef CURL_DISABLE_PROXY
+  result = create_conn_helper_init_proxy(conn);
+  if(result)
+    goto out;
+#endif
+
+  /*************************************************************
+   * If the protocol is using SSL and HTTP proxy is used, we set
+   * the tunnel_proxy bit.
+   *************************************************************/
+  if((conn->given->flags&PROTOPT_SSL) && conn->bits.httpproxy)
+    conn->bits.tunnel_proxy = TRUE;
+
+  /*************************************************************
+   * Figure out the remote port number and fix it in the URL
+   *************************************************************/
+  result = parse_remote_port(data, conn);
+  if(result)
+    goto out;
+
+  /* Check for overridden login details and set them accordingly so they
+     they are known when protocol->setup_connection is called! */
+  result = override_login(data, conn, &conn->user, &conn->passwd,
+                          &conn->options);
+  if(result)
+    goto out;
+
+  result = set_login(conn); /* default credentials */
+  if(result)
+    goto out;
+
+  /*************************************************************
+   * Process the "connect to" linked list of hostname/port mappings.
+   * Do this after the remote port number has been fixed in the URL.
+   *************************************************************/
+  result = parse_connect_to_slist(data, conn, data->set.connect_to);
+  if(result)
+    goto out;
+
+  /*************************************************************
+   * IDN-convert the hostnames
+   *************************************************************/
+  result = idnconvert_hostname(conn, &conn->host);
+  if(result)
+    goto out;
+  if(conn->bits.conn_to_host) {
+    result = idnconvert_hostname(conn, &conn->conn_to_host);
+    if(result)
+      goto out;
+  }
+  if(conn->bits.httpproxy) {
+    result = idnconvert_hostname(conn, &conn->http_proxy.host);
+    if(result)
+      goto out;
+  }
+  if(conn->bits.socksproxy) {
+    result = idnconvert_hostname(conn, &conn->socks_proxy.host);
+    if(result)
+      goto out;
+  }
+
+  /*************************************************************
+   * Check whether the host and the "connect to host" are equal.
+   * Do this after the hostnames have been IDN-converted.
+   *************************************************************/
+  if(conn->bits.conn_to_host &&
+     strcasecompare(conn->conn_to_host.name, conn->host.name)) {
+    conn->bits.conn_to_host = FALSE;
+  }
+
+  /*************************************************************
+   * Check whether the port and the "connect to port" are equal.
+   * Do this after the remote port number has been fixed in the URL.
+   *************************************************************/
+  if(conn->bits.conn_to_port && conn->conn_to_port == conn->remote_port) {
+    conn->bits.conn_to_port = FALSE;
+  }
+
+  /*************************************************************
+   * If the "connect to" feature is used with an HTTP proxy,
+   * we set the tunnel_proxy bit.
+   *************************************************************/
+  if((conn->bits.conn_to_host || conn->bits.conn_to_port) &&
+      conn->bits.httpproxy)
+    conn->bits.tunnel_proxy = TRUE;
+
+  /*************************************************************
+   * Setup internals depending on protocol. Needs to be done after
+   * we figured out what/if proxy to use.
+   *************************************************************/
+  result = setup_connection_internals(conn);
+  if(result)
+    goto out;
+
+  conn->recv[FIRSTSOCKET] = Curl_recv_plain;
+  conn->send[FIRSTSOCKET] = Curl_send_plain;
+  conn->recv[SECONDARYSOCKET] = Curl_recv_plain;
+  conn->send[SECONDARYSOCKET] = Curl_send_plain;
+
+  conn->bits.tcp_fastopen = data->set.tcp_fastopen;
+
+  /***********************************************************************
+   * file: is a special case in that it doesn't need a network connection
+   ***********************************************************************/
+#ifndef CURL_DISABLE_FILE
+  if(conn->handler->flags & PROTOPT_NONETWORK) {
+    bool done;
+    /* this is supposed to be the connect function so we better at least check
+       that the file is present here! */
+    DEBUGASSERT(conn->handler->connect_it);
+    Curl_persistconninfo(conn);
+    result = conn->handler->connect_it(conn, &done);
+
+    /* Setup a "faked" transfer that'll do nothing */
+    if(!result) {
+      conn->bits.tcpconnect[FIRSTSOCKET] = TRUE; /* we are "connected */
+
+      result = Curl_conncache_add_conn(data->state.conn_cache, conn);
+      if(result)
+        goto out;
+
+      /*
+       * Setup whatever necessary for a resumed transfer
+       */
+      result = setup_range(data);
+      if(result) {
+        DEBUGASSERT(conn->handler->done);
+        /* we ignore the return code for the protocol-specific DONE */
+        (void)conn->handler->done(conn, result, FALSE);
+        goto out;
+      }
+
+      Curl_setup_transfer(conn, -1, -1, FALSE, NULL, /* no download */
+                          -1, NULL); /* no upload */
+    }
+
+    /* since we skip do_init() */
+    Curl_init_do(data, conn);
+
+    goto out;
+  }
+#endif
+
+  /* Get a cloned copy of the SSL config situation stored in the
+     connection struct. But to get this going nicely, we must first make
+     sure that the strings in the master copy are pointing to the correct
+     strings in the session handle strings array!
+
+     Keep in mind that the pointers in the master copy are pointing to strings
+     that will be freed as part of the Curl_easy struct, but all cloned
+     copies will be separately allocated.
+  */
+  data->set.ssl.primary.CApath = data->set.str[STRING_SSL_CAPATH_ORIG];
+  data->set.proxy_ssl.primary.CApath = data->set.str[STRING_SSL_CAPATH_PROXY];
+  data->set.ssl.primary.CAfile = data->set.str[STRING_SSL_CAFILE_ORIG];
+  data->set.proxy_ssl.primary.CAfile = data->set.str[STRING_SSL_CAFILE_PROXY];
+  data->set.ssl.primary.random_file = data->set.str[STRING_SSL_RANDOM_FILE];
+  data->set.proxy_ssl.primary.random_file =
+    data->set.str[STRING_SSL_RANDOM_FILE];
+  data->set.ssl.primary.egdsocket = data->set.str[STRING_SSL_EGDSOCKET];
+  data->set.proxy_ssl.primary.egdsocket = data->set.str[STRING_SSL_EGDSOCKET];
+  data->set.ssl.primary.cipher_list =
+    data->set.str[STRING_SSL_CIPHER_LIST_ORIG];
+  data->set.proxy_ssl.primary.cipher_list =
+    data->set.str[STRING_SSL_CIPHER_LIST_PROXY];
+  data->set.ssl.primary.cipher_list13 =
+    data->set.str[STRING_SSL_CIPHER13_LIST_ORIG];
+  data->set.proxy_ssl.primary.cipher_list13 =
+    data->set.str[STRING_SSL_CIPHER13_LIST_PROXY];
+
+  data->set.ssl.CRLfile = data->set.str[STRING_SSL_CRLFILE_ORIG];
+  data->set.proxy_ssl.CRLfile = data->set.str[STRING_SSL_CRLFILE_PROXY];
+  data->set.ssl.issuercert = data->set.str[STRING_SSL_ISSUERCERT_ORIG];
+  data->set.proxy_ssl.issuercert = data->set.str[STRING_SSL_ISSUERCERT_PROXY];
+  data->set.ssl.cert = data->set.str[STRING_CERT_ORIG];
+  data->set.proxy_ssl.cert = data->set.str[STRING_CERT_PROXY];
+  data->set.ssl.cert_type = data->set.str[STRING_CERT_TYPE_ORIG];
+  data->set.proxy_ssl.cert_type = data->set.str[STRING_CERT_TYPE_PROXY];
+  data->set.ssl.key = data->set.str[STRING_KEY_ORIG];
+  data->set.proxy_ssl.key = data->set.str[STRING_KEY_PROXY];
+  data->set.ssl.key_type = data->set.str[STRING_KEY_TYPE_ORIG];
+  data->set.proxy_ssl.key_type = data->set.str[STRING_KEY_TYPE_PROXY];
+  data->set.ssl.key_passwd = data->set.str[STRING_KEY_PASSWD_ORIG];
+  data->set.proxy_ssl.key_passwd = data->set.str[STRING_KEY_PASSWD_PROXY];
+  data->set.ssl.primary.clientcert = data->set.str[STRING_CERT_ORIG];
+  data->set.proxy_ssl.primary.clientcert = data->set.str[STRING_CERT_PROXY];
+#ifdef USE_TLS_SRP
+  data->set.ssl.username = data->set.str[STRING_TLSAUTH_USERNAME_ORIG];
+  data->set.proxy_ssl.username = data->set.str[STRING_TLSAUTH_USERNAME_PROXY];
+  data->set.ssl.password = data->set.str[STRING_TLSAUTH_PASSWORD_ORIG];
+  data->set.proxy_ssl.password = data->set.str[STRING_TLSAUTH_PASSWORD_PROXY];
+#endif
+
+  if(!Curl_clone_primary_ssl_config(&data->set.ssl.primary,
+     &conn->ssl_config)) {
+    result = CURLE_OUT_OF_MEMORY;
+    goto out;
+  }
+
+  if(!Curl_clone_primary_ssl_config(&data->set.proxy_ssl.primary,
+                                    &conn->proxy_ssl_config)) {
+    result = CURLE_OUT_OF_MEMORY;
+    goto out;
+  }
+
+  prune_dead_connections(data);
+
+  /*************************************************************
+   * Check the current list of connections to see if we can
+   * re-use an already existing one or if we have to create a
+   * new one.
+   *************************************************************/
+
+  DEBUGASSERT(conn->user);
+  DEBUGASSERT(conn->passwd);
+
+  /* reuse_fresh is TRUE if we are told to use a new connection by force, but
+     we only acknowledge this option if this is not a re-used connection
+     already (which happens due to follow-location or during a HTTP
+     authentication phase). */
+  if(data->set.reuse_fresh && !data->state.this_is_a_follow)
+    reuse = FALSE;
+  else
+    reuse = ConnectionExists(data, conn, &conn_temp, &force_reuse, &waitpipe);
+
+  /* If we found a reusable connection that is now marked as in use, we may
+     still want to open a new connection if we are pipelining. */
+  if(reuse && !force_reuse && IsPipeliningPossible(data, conn_temp)) {
+    size_t pipelen = conn_temp->send_pipe.size + conn_temp->recv_pipe.size;
+    if(pipelen > 0) {
+      infof(data, "Found connection %ld, with requests in the pipe (%zu)\n",
+            conn_temp->connection_id, pipelen);
+
+      if(Curl_conncache_bundle_size(conn_temp) < max_host_connections &&
+         Curl_conncache_size(data) < max_total_connections) {
+        /* We want a new connection anyway */
+        reuse = FALSE;
+
+        infof(data, "We can reuse, but we want a new connection anyway\n");
+        Curl_conncache_return_conn(conn_temp);
+      }
+    }
+  }
+
+  if(reuse) {
+    /*
+     * We already have a connection for this, we got the former connection
+     * in the conn_temp variable and thus we need to cleanup the one we
+     * just allocated before we can move along and use the previously
+     * existing one.
+     */
+    reuse_conn(conn, conn_temp);
+#ifdef USE_SSL
+    free(conn->ssl_extra);
+#endif
+    free(conn);          /* we don't need this anymore */
+    conn = conn_temp;
+    *in_connect = conn;
+
+    infof(data, "Re-using existing connection! (#%ld) with %s %s\n",
+          conn->connection_id,
+          conn->bits.proxy?"proxy":"host",
+          conn->socks_proxy.host.name ? conn->socks_proxy.host.dispname :
+          conn->http_proxy.host.name ? conn->http_proxy.host.dispname :
+                                       conn->host.dispname);
+  }
+  else {
+    /* We have decided that we want a new connection. However, we may not
+       be able to do that if we have reached the limit of how many
+       connections we are allowed to open. */
+
+    if(conn->handler->flags & PROTOPT_ALPN_NPN) {
+      /* The protocol wants it, so set the bits if enabled in the easy handle
+         (default) */
+      if(data->set.ssl_enable_alpn)
+        conn->bits.tls_enable_alpn = TRUE;
+      if(data->set.ssl_enable_npn)
+        conn->bits.tls_enable_npn = TRUE;
+    }
+
+    if(waitpipe)
+      /* There is a connection that *might* become usable for pipelining
+         "soon", and we wait for that */
+      connections_available = FALSE;
+    else {
+      /* this gets a lock on the conncache */
+      struct connectbundle *bundle =
+        Curl_conncache_find_bundle(conn, data->state.conn_cache);
+
+      if(max_host_connections > 0 && bundle &&
+         (bundle->num_connections >= max_host_connections)) {
+        struct connectdata *conn_candidate;
+
+        /* The bundle is full. Extract the oldest connection. */
+        conn_candidate = Curl_conncache_extract_bundle(data, bundle);
+        Curl_conncache_unlock(data);
+
+        if(conn_candidate)
+          (void)Curl_disconnect(data, conn_candidate,
+                                /* dead_connection */ FALSE);
+        else {
+          infof(data, "No more connections allowed to host: %zu\n",
+                max_host_connections);
+          connections_available = FALSE;
+        }
+      }
+      else
+        Curl_conncache_unlock(data);
+
+    }
+
+    if(connections_available &&
+       (max_total_connections > 0) &&
+       (Curl_conncache_size(data) >= max_total_connections)) {
+      struct connectdata *conn_candidate;
+
+      /* The cache is full. Let's see if we can kill a connection. */
+      conn_candidate = Curl_conncache_extract_oldest(data);
+      if(conn_candidate)
+        (void)Curl_disconnect(data, conn_candidate,
+                              /* dead_connection */ FALSE);
+      else {
+        infof(data, "No connections available in cache\n");
+        connections_available = FALSE;
+      }
+    }
+
+    if(!connections_available) {
+      infof(data, "No connections available.\n");
+
+      conn_free(conn);
+      *in_connect = NULL;
+
+      result = CURLE_NO_CONNECTION_AVAILABLE;
+      goto out;
+    }
+    else {
+      /*
+       * This is a brand new connection, so let's store it in the connection
+       * cache of ours!
+       */
+      result = Curl_conncache_add_conn(data->state.conn_cache, conn);
+      if(result)
+        goto out;
+    }
+
+#if defined(USE_NTLM)
+    /* If NTLM is requested in a part of this connection, make sure we don't
+       assume the state is fine as this is a fresh connection and NTLM is
+       connection based. */
+    if((data->state.authhost.picked & (CURLAUTH_NTLM | CURLAUTH_NTLM_WB)) &&
+       data->state.authhost.done) {
+      infof(data, "NTLM picked AND auth done set, clear picked!\n");
+      data->state.authhost.picked = CURLAUTH_NONE;
+      data->state.authhost.done = FALSE;
+    }
+
+    if((data->state.authproxy.picked & (CURLAUTH_NTLM | CURLAUTH_NTLM_WB)) &&
+       data->state.authproxy.done) {
+      infof(data, "NTLM-proxy picked AND auth done set, clear picked!\n");
+      data->state.authproxy.picked = CURLAUTH_NONE;
+      data->state.authproxy.done = FALSE;
+    }
+#endif
+  }
+
+  /* Setup and init stuff before DO starts, in preparing for the transfer. */
+  Curl_init_do(data, conn);
+
+  /*
+   * Setup whatever necessary for a resumed transfer
+   */
+  result = setup_range(data);
+  if(result)
+    goto out;
+
+  /* Continue connectdata initialization here. */
+
+  /*
+   * Inherit the proper values from the urldata struct AFTER we have arranged
+   * the persistent connection stuff
+   */
+  conn->seek_func = data->set.seek_func;
+  conn->seek_client = data->set.seek_client;
+
+  /*************************************************************
+   * Resolve the address of the server or proxy
+   *************************************************************/
+  result = resolve_server(data, conn, async);
+
+  /* Strip trailing dots. resolve_server copied the name. */
+  strip_trailing_dot(&conn->host);
+  if(conn->bits.httpproxy)
+    strip_trailing_dot(&conn->http_proxy.host);
+  if(conn->bits.socksproxy)
+    strip_trailing_dot(&conn->socks_proxy.host);
+  if(conn->bits.conn_to_host)
+    strip_trailing_dot(&conn->conn_to_host);
+
+out:
+  return result;
+}
+
+/* Curl_setup_conn() is called after the name resolve initiated in
+ * create_conn() is all done.
+ *
+ * Curl_setup_conn() also handles reused connections
+ *
+ * conn->data MUST already have been setup fine (in create_conn)
+ */
+
+CURLcode Curl_setup_conn(struct connectdata *conn,
+                         bool *protocol_done)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  Curl_pgrsTime(data, TIMER_NAMELOOKUP);
+
+  if(conn->handler->flags & PROTOPT_NONETWORK) {
+    /* nothing to setup when not using a network */
+    *protocol_done = TRUE;
+    return result;
+  }
+  *protocol_done = FALSE; /* default to not done */
+
+  /* set proxy_connect_closed to false unconditionally already here since it
+     is used strictly to provide extra information to a parent function in the
+     case of proxy CONNECT failures and we must make sure we don't have it
+     lingering set from a previous invoke */
+  conn->bits.proxy_connect_closed = FALSE;
+
+  /*
+   * Set user-agent. Used for HTTP, but since we can attempt to tunnel
+   * basically anything through a http proxy we can't limit this based on
+   * protocol.
+   */
+  if(data->set.str[STRING_USERAGENT]) {
+    Curl_safefree(conn->allocptr.uagent);
+    conn->allocptr.uagent =
+      aprintf("User-Agent: %s\r\n", data->set.str[STRING_USERAGENT]);
+    if(!conn->allocptr.uagent)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  data->req.headerbytecount = 0;
+
+#ifdef CURL_DO_LINEEND_CONV
+  data->state.crlf_conversions = 0; /* reset CRLF conversion counter */
+#endif /* CURL_DO_LINEEND_CONV */
+
+  /* set start time here for timeout purposes in the connect procedure, it
+     is later set again for the progress meter purpose */
+  conn->now = Curl_now();
+
+  if(CURL_SOCKET_BAD == conn->sock[FIRSTSOCKET]) {
+    conn->bits.tcpconnect[FIRSTSOCKET] = FALSE;
+    result = Curl_connecthost(conn, conn->dns_entry);
+    if(result)
+      return result;
+  }
+  else {
+    Curl_pgrsTime(data, TIMER_CONNECT);    /* we're connected already */
+    Curl_pgrsTime(data, TIMER_APPCONNECT); /* we're connected already */
+    conn->bits.tcpconnect[FIRSTSOCKET] = TRUE;
+    *protocol_done = TRUE;
+    Curl_updateconninfo(conn, conn->sock[FIRSTSOCKET]);
+    Curl_verboseconnect(conn);
+  }
+
+  conn->now = Curl_now(); /* time this *after* the connect is done, we set
+                             this here perhaps a second time */
+  return result;
+}
+
+CURLcode Curl_connect(struct Curl_easy *data,
+                      bool *asyncp,
+                      bool *protocol_done)
+{
+  CURLcode result;
+  struct connectdata *conn;
+
+  *asyncp = FALSE; /* assume synchronous resolves by default */
+
+  /* init the single-transfer specific data */
+  Curl_free_request_state(data);
+  memset(&data->req, 0, sizeof(struct SingleRequest));
+  data->req.maxdownload = -1;
+
+  /* call the stuff that needs to be called */
+  result = create_conn(data, &conn, asyncp);
+
+  if(!result) {
+    if(CONN_INUSE(conn))
+      /* pipelining */
+      *protocol_done = TRUE;
+    else if(!*asyncp) {
+      /* DNS resolution is done: that's either because this is a reused
+         connection, in which case DNS was unnecessary, or because DNS
+         really did finish already (synch resolver/fast async resolve) */
+      result = Curl_setup_conn(conn, protocol_done);
+    }
+  }
+
+  if(result == CURLE_NO_CONNECTION_AVAILABLE) {
+    return result;
+  }
+  else if(result && conn) {
+    /* We're not allowed to return failure with memory left allocated in the
+       connectdata struct, free those here */
+    Curl_disconnect(data, conn, TRUE);
+  }
+  else
+    Curl_attach_connnection(data, conn);
+
+  return result;
+}
+
+/*
+ * Curl_init_do() inits the readwrite session. This is inited each time (in
+ * the DO function before the protocol-specific DO functions are invoked) for
+ * a transfer, sometimes multiple times on the same Curl_easy. Make sure
+ * nothing in here depends on stuff that are setup dynamically for the
+ * transfer.
+ *
+ * Allow this function to get called with 'conn' set to NULL.
+ */
+
+CURLcode Curl_init_do(struct Curl_easy *data, struct connectdata *conn)
+{
+  struct SingleRequest *k = &data->req;
+
+  if(conn) {
+    conn->bits.do_more = FALSE; /* by default there's no curl_do_more() to
+                                   use */
+    /* if the protocol used doesn't support wildcards, switch it off */
+    if(data->state.wildcardmatch &&
+       !(conn->handler->flags & PROTOPT_WILDCARD))
+      data->state.wildcardmatch = FALSE;
+  }
+
+  data->state.done = FALSE; /* *_done() is not called yet */
+  data->state.expect100header = FALSE;
+
+
+  if(data->set.opt_no_body)
+    /* in HTTP lingo, no body means using the HEAD request... */
+    data->set.httpreq = HTTPREQ_HEAD;
+  else if(HTTPREQ_HEAD == data->set.httpreq)
+    /* ... but if unset there really is no perfect method that is the
+       "opposite" of HEAD but in reality most people probably think GET
+       then. The important thing is that we can't let it remain HEAD if the
+       opt_no_body is set FALSE since then we'll behave wrong when getting
+       HTTP. */
+    data->set.httpreq = HTTPREQ_GET;
+
+  k->start = Curl_now(); /* start time */
+  k->now = k->start;   /* current time is now */
+  k->header = TRUE; /* assume header */
+
+  k->bytecount = 0;
+
+  k->buf = data->state.buffer;
+  k->hbufp = data->state.headerbuff;
+  k->ignorebody = FALSE;
+
+  Curl_speedinit(data);
+
+  Curl_pgrsSetUploadCounter(data, 0);
+  Curl_pgrsSetDownloadCounter(data, 0);
+
+  return CURLE_OK;
+}
+
+/*
+* get_protocol_family()
+*
+* This is used to return the protocol family for a given protocol.
+*
+* Parameters:
+*
+* protocol  [in]  - A single bit protocol identifier such as HTTP or HTTPS.
+*
+* Returns the family as a single bit protocol identifier.
+*/
+
+static unsigned int get_protocol_family(unsigned int protocol)
+{
+  unsigned int family;
+
+  switch(protocol) {
+  case CURLPROTO_HTTP:
+  case CURLPROTO_HTTPS:
+    family = CURLPROTO_HTTP;
+    break;
+
+  case CURLPROTO_FTP:
+  case CURLPROTO_FTPS:
+    family = CURLPROTO_FTP;
+    break;
+
+  case CURLPROTO_SCP:
+    family = CURLPROTO_SCP;
+    break;
+
+  case CURLPROTO_SFTP:
+    family = CURLPROTO_SFTP;
+    break;
+
+  case CURLPROTO_TELNET:
+    family = CURLPROTO_TELNET;
+    break;
+
+  case CURLPROTO_LDAP:
+  case CURLPROTO_LDAPS:
+    family = CURLPROTO_LDAP;
+    break;
+
+  case CURLPROTO_DICT:
+    family = CURLPROTO_DICT;
+    break;
+
+  case CURLPROTO_FILE:
+    family = CURLPROTO_FILE;
+    break;
+
+  case CURLPROTO_TFTP:
+    family = CURLPROTO_TFTP;
+    break;
+
+  case CURLPROTO_IMAP:
+  case CURLPROTO_IMAPS:
+    family = CURLPROTO_IMAP;
+    break;
+
+  case CURLPROTO_POP3:
+  case CURLPROTO_POP3S:
+    family = CURLPROTO_POP3;
+    break;
+
+  case CURLPROTO_SMTP:
+  case CURLPROTO_SMTPS:
+      family = CURLPROTO_SMTP;
+      break;
+
+  case CURLPROTO_RTSP:
+    family = CURLPROTO_RTSP;
+    break;
+
+  case CURLPROTO_RTMP:
+  case CURLPROTO_RTMPS:
+    family = CURLPROTO_RTMP;
+    break;
+
+  case CURLPROTO_RTMPT:
+  case CURLPROTO_RTMPTS:
+    family = CURLPROTO_RTMPT;
+    break;
+
+  case CURLPROTO_RTMPE:
+    family = CURLPROTO_RTMPE;
+    break;
+
+  case CURLPROTO_RTMPTE:
+    family = CURLPROTO_RTMPTE;
+    break;
+
+  case CURLPROTO_GOPHER:
+    family = CURLPROTO_GOPHER;
+    break;
+
+  case CURLPROTO_SMB:
+  case CURLPROTO_SMBS:
+    family = CURLPROTO_SMB;
+    break;
+
+  default:
+      family = 0;
+      break;
+  }
+
+  return family;
+}
+
+
+/*
+ * Wrapper to call functions in Curl_conncache_foreach()
+ *
+ * Returns always 0.
+ */
+static int conn_upkeep(struct connectdata *conn,
+                       void *param)
+{
+  /* Param is unused. */
+  (void)param;
+
+  if(conn->handler->connection_check) {
+    /* Do a protocol-specific keepalive check on the connection. */
+    conn->handler->connection_check(conn, CONNCHECK_KEEPALIVE);
+  }
+
+  return 0; /* continue iteration */
+}
+
+CURLcode Curl_upkeep(struct conncache *conn_cache,
+                          void *data)
+{
+  /* Loop over every connection and make connection alive. */
+  Curl_conncache_foreach(data,
+                         conn_cache,
+                         data,
+                         conn_upkeep);
+  return CURLE_OK;
+}
Index: trunk/src/libs/curl-7.64.0/lib/url.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/url.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/url.h	(revision 85671)
@@ -0,0 +1,110 @@
+#ifndef HEADER_CURL_URL_H
+#define HEADER_CURL_URL_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#define READBUFFER_SIZE CURL_MAX_WRITE_SIZE
+#define READBUFFER_MAX  CURL_MAX_READ_SIZE
+#define READBUFFER_MIN  1024
+
+/* The default upload buffer size, should not be smaller than
+   CURL_MAX_WRITE_SIZE, as it needs to hold a full buffer as could be sent in
+   a write callback.
+
+   The size was 16KB for many years but was bumped to 64KB because it makes
+   libcurl able to do significantly faster uploads in some circumstances. Even
+   larger buffers can help further, but this is deemed a fair memory/speed
+   compromise. */
+#define UPLOADBUFFER_DEFAULT 65536
+#define UPLOADBUFFER_MAX (2*1024*1024)
+#define UPLOADBUFFER_MIN CURL_MAX_WRITE_SIZE
+
+/*
+ * Prototypes for library-wide functions provided by url.c
+ */
+
+CURLcode Curl_init_do(struct Curl_easy *data, struct connectdata *conn);
+CURLcode Curl_open(struct Curl_easy **curl);
+CURLcode Curl_init_userdefined(struct Curl_easy *data);
+
+void Curl_freeset(struct Curl_easy * data);
+/* free the URL pieces */
+void Curl_up_free(struct Curl_easy *data);
+CURLcode Curl_uc_to_curlcode(CURLUcode uc);
+CURLcode Curl_close(struct Curl_easy *data); /* opposite of curl_open() */
+CURLcode Curl_connect(struct Curl_easy *, bool *async, bool *protocol_connect);
+CURLcode Curl_disconnect(struct Curl_easy *data,
+                         struct connectdata *, bool dead_connection);
+CURLcode Curl_protocol_connect(struct connectdata *conn, bool *done);
+CURLcode Curl_protocol_connecting(struct connectdata *conn, bool *done);
+CURLcode Curl_protocol_doing(struct connectdata *conn, bool *done);
+CURLcode Curl_setup_conn(struct connectdata *conn,
+                         bool *protocol_done);
+void Curl_free_request_state(struct Curl_easy *data);
+
+int Curl_protocol_getsock(struct connectdata *conn,
+                          curl_socket_t *socks,
+                          int numsocks);
+int Curl_doing_getsock(struct connectdata *conn,
+                       curl_socket_t *socks,
+                       int numsocks);
+CURLcode Curl_parse_login_details(const char *login, const size_t len,
+                                  char **userptr, char **passwdptr,
+                                  char **optionsptr);
+
+int Curl_removeHandleFromPipeline(struct Curl_easy *handle,
+                                  struct curl_llist *pipeline);
+/* remove the specified connection from all (possible) pipelines and related
+   queues */
+void Curl_getoff_all_pipelines(struct Curl_easy *data,
+                               struct connectdata *conn);
+
+CURLcode Curl_upkeep(struct conncache *conn_cache, void *data);
+
+const struct Curl_handler *Curl_builtin_scheme(const char *scheme);
+
+#define CURL_DEFAULT_PROXY_PORT 1080 /* default proxy port unless specified */
+#define CURL_DEFAULT_HTTPS_PROXY_PORT 443 /* default https proxy port unless
+                                             specified */
+
+CURLcode Curl_connected_proxy(struct connectdata *conn, int sockindex);
+
+#ifdef CURL_DISABLE_VERBOSE_STRINGS
+#define Curl_verboseconnect(x)  Curl_nop_stmt
+#else
+void Curl_verboseconnect(struct connectdata *conn);
+#endif
+
+#define CONNECT_PROXY_SSL()\
+  (conn->http_proxy.proxytype == CURLPROXY_HTTPS &&\
+  !conn->bits.proxy_ssl_connected[sockindex])
+
+#define CONNECT_FIRSTSOCKET_PROXY_SSL()\
+  (conn->http_proxy.proxytype == CURLPROXY_HTTPS &&\
+  !conn->bits.proxy_ssl_connected[FIRSTSOCKET])
+
+#define CONNECT_SECONDARYSOCKET_PROXY_SSL()\
+  (conn->http_proxy.proxytype == CURLPROXY_HTTPS &&\
+  !conn->bits.proxy_ssl_connected[SECONDARYSOCKET])
+
+#endif /* HEADER_CURL_URL_H */
Index: trunk/src/libs/curl-7.64.0/lib/urlapi-int.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/urlapi-int.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/urlapi-int.h	(revision 85671)
@@ -0,0 +1,38 @@
+#ifndef HEADER_CURL_URLAPI_INT_H
+#define HEADER_CURL_URLAPI_INT_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+/* scheme is not URL encoded, the longest libcurl supported ones are 6
+   letters */
+#define MAX_SCHEME_LEN 8
+
+bool Curl_is_absolute_url(const char *url, char *scheme, size_t buflen);
+char *Curl_concat_url(const char *base, const char *relurl);
+size_t Curl_strlen_url(const char *url, bool relative);
+void Curl_strcpy_url(char *output, const char *url, bool relative);
+
+#ifdef DEBUGBUILD
+CURLUcode Curl_parse_port(struct Curl_URL *u, char *hostname);
+#endif
+
+#endif /* HEADER_CURL_URLAPI_INT_H */
Index: trunk/src/libs/curl-7.64.0/lib/urlapi.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/urlapi.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/urlapi.c	(revision 85671)
@@ -0,0 +1,1372 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include "urldata.h"
+#include "urlapi-int.h"
+#include "strcase.h"
+#include "dotdot.h"
+#include "url.h"
+#include "escape.h"
+#include "curl_ctype.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+  /* MSDOS/Windows style drive prefix, eg c: in c:foo */
+#define STARTS_WITH_DRIVE_PREFIX(str) \
+  ((('a' <= str[0] && str[0] <= 'z') || \
+    ('A' <= str[0] && str[0] <= 'Z')) && \
+   (str[1] == ':'))
+
+  /* MSDOS/Windows style drive prefix, optionally with
+   * a '|' instead of ':', followed by a slash or NUL */
+#define STARTS_WITH_URL_DRIVE_PREFIX(str) \
+  ((('a' <= (str)[0] && (str)[0] <= 'z') || \
+    ('A' <= (str)[0] && (str)[0] <= 'Z')) && \
+   ((str)[1] == ':' || (str)[1] == '|') && \
+   ((str)[2] == '/' || (str)[2] == '\\' || (str)[2] == 0))
+
+/* Internal representation of CURLU. Point to URL-encoded strings. */
+struct Curl_URL {
+  char *scheme;
+  char *user;
+  char *password;
+  char *options; /* IMAP only? */
+  char *host;
+  char *port;
+  char *path;
+  char *query;
+  char *fragment;
+
+  char *scratch; /* temporary scratch area */
+  long portnum; /* the numerical version */
+};
+
+#define DEFAULT_SCHEME "https"
+
+#ifdef DEBUGBUILD
+#define UNITTEST
+#else
+#define UNITTEST static
+#endif
+
+static void free_urlhandle(struct Curl_URL *u)
+{
+  free(u->scheme);
+  free(u->user);
+  free(u->password);
+  free(u->options);
+  free(u->host);
+  free(u->port);
+  free(u->path);
+  free(u->query);
+  free(u->fragment);
+  free(u->scratch);
+}
+
+/* move the full contents of one handle onto another and
+   free the original */
+static void mv_urlhandle(struct Curl_URL *from,
+                         struct Curl_URL *to)
+{
+  free_urlhandle(to);
+  *to = *from;
+  free(from);
+}
+
+/*
+ * Find the separator at the end of the host name, or the '?' in cases like
+ * http://www.url.com?id=2380
+ */
+static const char *find_host_sep(const char *url)
+{
+  const char *sep;
+  const char *query;
+
+  /* Find the start of the hostname */
+  sep = strstr(url, "//");
+  if(!sep)
+    sep = url;
+  else
+    sep += 2;
+
+  query = strchr(sep, '?');
+  sep = strchr(sep, '/');
+
+  if(!sep)
+    sep = url + strlen(url);
+
+  if(!query)
+    query = url + strlen(url);
+
+  return sep < query ? sep : query;
+}
+
+/*
+ * Decide in an encoding-independent manner whether a character in an
+ * URL must be escaped. The same criterion must be used in strlen_url()
+ * and strcpy_url().
+ */
+static bool urlchar_needs_escaping(int c)
+{
+    return !(ISCNTRL(c) || ISSPACE(c) || ISGRAPH(c));
+}
+
+/*
+ * strlen_url() returns the length of the given URL if the spaces within the
+ * URL were properly URL encoded.
+ * URL encoding should be skipped for host names, otherwise IDN resolution
+ * will fail.
+ */
+size_t Curl_strlen_url(const char *url, bool relative)
+{
+  const unsigned char *ptr;
+  size_t newlen = 0;
+  bool left = TRUE; /* left side of the ? */
+  const unsigned char *host_sep = (const unsigned char *) url;
+
+  if(!relative)
+    host_sep = (const unsigned char *) find_host_sep(url);
+
+  for(ptr = (unsigned char *)url; *ptr; ptr++) {
+
+    if(ptr < host_sep) {
+      ++newlen;
+      continue;
+    }
+
+    switch(*ptr) {
+    case '?':
+      left = FALSE;
+      /* FALLTHROUGH */
+    default:
+      if(urlchar_needs_escaping(*ptr))
+        newlen += 2;
+      newlen++;
+      break;
+    case ' ':
+      if(left)
+        newlen += 3;
+      else
+        newlen++;
+      break;
+    }
+  }
+  return newlen;
+}
+
+/* strcpy_url() copies a url to a output buffer and URL-encodes the spaces in
+ * the source URL accordingly.
+ * URL encoding should be skipped for host names, otherwise IDN resolution
+ * will fail.
+ */
+void Curl_strcpy_url(char *output, const char *url, bool relative)
+{
+  /* we must add this with whitespace-replacing */
+  bool left = TRUE;
+  const unsigned char *iptr;
+  char *optr = output;
+  const unsigned char *host_sep = (const unsigned char *) url;
+
+  if(!relative)
+    host_sep = (const unsigned char *) find_host_sep(url);
+
+  for(iptr = (unsigned char *)url;    /* read from here */
+      *iptr;         /* until zero byte */
+      iptr++) {
+
+    if(iptr < host_sep) {
+      *optr++ = *iptr;
+      continue;
+    }
+
+    switch(*iptr) {
+    case '?':
+      left = FALSE;
+      /* FALLTHROUGH */
+    default:
+      if(urlchar_needs_escaping(*iptr)) {
+        msnprintf(optr, 4, "%%%02x", *iptr);
+        optr += 3;
+      }
+      else
+        *optr++=*iptr;
+      break;
+    case ' ':
+      if(left) {
+        *optr++='%'; /* add a '%' */
+        *optr++='2'; /* add a '2' */
+        *optr++='0'; /* add a '0' */
+      }
+      else
+        *optr++='+'; /* add a '+' here */
+      break;
+    }
+  }
+  *optr = 0; /* zero terminate output buffer */
+
+}
+
+/*
+ * Returns true if the given URL is absolute (as opposed to relative) within
+ * the buffer size. Returns the scheme in the buffer if TRUE and 'buf' is
+ * non-NULL.
+ */
+bool Curl_is_absolute_url(const char *url, char *buf, size_t buflen)
+{
+  size_t i;
+#ifdef WIN32
+  if(STARTS_WITH_DRIVE_PREFIX(url))
+    return FALSE;
+#endif
+  for(i = 0; i < buflen && url[i]; ++i) {
+    char s = url[i];
+    if((s == ':') && (url[i + 1] == '/')) {
+      if(buf)
+        buf[i] = 0;
+      return TRUE;
+    }
+    /* RFC 3986 3.1 explains:
+      scheme      = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )
+    */
+    else if(ISALNUM(s) || (s == '+') || (s == '-') || (s == '.') ) {
+      if(buf)
+        buf[i] = (char)TOLOWER(s);
+    }
+    else
+      break;
+  }
+  return FALSE;
+}
+
+/*
+ * Concatenate a relative URL to a base URL making it absolute.
+ * URL-encodes any spaces.
+ * The returned pointer must be freed by the caller unless NULL
+ * (returns NULL on out of memory).
+ */
+char *Curl_concat_url(const char *base, const char *relurl)
+{
+  /***
+   TRY to append this new path to the old URL
+   to the right of the host part. Oh crap, this is doomed to cause
+   problems in the future...
+  */
+  char *newest;
+  char *protsep;
+  char *pathsep;
+  size_t newlen;
+  bool host_changed = FALSE;
+
+  const char *useurl = relurl;
+  size_t urllen;
+
+  /* we must make our own copy of the URL to play with, as it may
+     point to read-only data */
+  char *url_clone = strdup(base);
+
+  if(!url_clone)
+    return NULL; /* skip out of this NOW */
+
+  /* protsep points to the start of the host name */
+  protsep = strstr(url_clone, "//");
+  if(!protsep)
+    protsep = url_clone;
+  else
+    protsep += 2; /* pass the slashes */
+
+  if('/' != relurl[0]) {
+    int level = 0;
+
+    /* First we need to find out if there's a ?-letter in the URL,
+       and cut it and the right-side of that off */
+    pathsep = strchr(protsep, '?');
+    if(pathsep)
+      *pathsep = 0;
+
+    /* we have a relative path to append to the last slash if there's one
+       available, or if the new URL is just a query string (starts with a
+       '?')  we append the new one at the end of the entire currently worked
+       out URL */
+    if(useurl[0] != '?') {
+      pathsep = strrchr(protsep, '/');
+      if(pathsep)
+        *pathsep = 0;
+    }
+
+    /* Check if there's any slash after the host name, and if so, remember
+       that position instead */
+    pathsep = strchr(protsep, '/');
+    if(pathsep)
+      protsep = pathsep + 1;
+    else
+      protsep = NULL;
+
+    /* now deal with one "./" or any amount of "../" in the newurl
+       and act accordingly */
+
+    if((useurl[0] == '.') && (useurl[1] == '/'))
+      useurl += 2; /* just skip the "./" */
+
+    while((useurl[0] == '.') &&
+          (useurl[1] == '.') &&
+          (useurl[2] == '/')) {
+      level++;
+      useurl += 3; /* pass the "../" */
+    }
+
+    if(protsep) {
+      while(level--) {
+        /* cut off one more level from the right of the original URL */
+        pathsep = strrchr(protsep, '/');
+        if(pathsep)
+          *pathsep = 0;
+        else {
+          *protsep = 0;
+          break;
+        }
+      }
+    }
+  }
+  else {
+    /* We got a new absolute path for this server */
+
+    if((relurl[0] == '/') && (relurl[1] == '/')) {
+      /* the new URL starts with //, just keep the protocol part from the
+         original one */
+      *protsep = 0;
+      useurl = &relurl[2]; /* we keep the slashes from the original, so we
+                              skip the new ones */
+      host_changed = TRUE;
+    }
+    else {
+      /* cut off the original URL from the first slash, or deal with URLs
+         without slash */
+      pathsep = strchr(protsep, '/');
+      if(pathsep) {
+        /* When people use badly formatted URLs, such as
+           "http://www.url.com?dir=/home/daniel" we must not use the first
+           slash, if there's a ?-letter before it! */
+        char *sep = strchr(protsep, '?');
+        if(sep && (sep < pathsep))
+          pathsep = sep;
+        *pathsep = 0;
+      }
+      else {
+        /* There was no slash. Now, since we might be operating on a badly
+           formatted URL, such as "http://www.url.com?id=2380" which doesn't
+           use a slash separator as it is supposed to, we need to check for a
+           ?-letter as well! */
+        pathsep = strchr(protsep, '?');
+        if(pathsep)
+          *pathsep = 0;
+      }
+    }
+  }
+
+  /* If the new part contains a space, this is a mighty stupid redirect
+     but we still make an effort to do "right". To the left of a '?'
+     letter we replace each space with %20 while it is replaced with '+'
+     on the right side of the '?' letter.
+  */
+  newlen = Curl_strlen_url(useurl, !host_changed);
+
+  urllen = strlen(url_clone);
+
+  newest = malloc(urllen + 1 + /* possible slash */
+                  newlen + 1 /* zero byte */);
+
+  if(!newest) {
+    free(url_clone); /* don't leak this */
+    return NULL;
+  }
+
+  /* copy over the root url part */
+  memcpy(newest, url_clone, urllen);
+
+  /* check if we need to append a slash */
+  if(('/' == useurl[0]) || (protsep && !*protsep) || ('?' == useurl[0]))
+    ;
+  else
+    newest[urllen++]='/';
+
+  /* then append the new piece on the right side */
+  Curl_strcpy_url(&newest[urllen], useurl, !host_changed);
+
+  free(url_clone);
+
+  return newest;
+}
+
+/*
+ * parse_hostname_login()
+ *
+ * Parse the login details (user name, password and options) from the URL and
+ * strip them out of the host name
+ *
+ */
+static CURLUcode parse_hostname_login(struct Curl_URL *u,
+                                      const struct Curl_handler *h,
+                                      char **hostname,
+                                      unsigned int flags)
+{
+  CURLUcode result = CURLUE_OK;
+  CURLcode ccode;
+  char *userp = NULL;
+  char *passwdp = NULL;
+  char *optionsp = NULL;
+
+  /* At this point, we're hoping all the other special cases have
+   * been taken care of, so conn->host.name is at most
+   *    [user[:password][;options]]@]hostname
+   *
+   * We need somewhere to put the embedded details, so do that first.
+   */
+
+  char *ptr = strchr(*hostname, '@');
+  char *login = *hostname;
+
+  if(!ptr)
+    goto out;
+
+  /* We will now try to extract the
+   * possible login information in a string like:
+   * ftp://user:password@ftp.my.site:8021/README */
+  *hostname = ++ptr;
+
+  /* We could use the login information in the URL so extract it. Only parse
+     options if the handler says we should. Note that 'h' might be NULL! */
+  ccode = Curl_parse_login_details(login, ptr - login - 1,
+                                   &userp, &passwdp,
+                                   (h && (h->flags & PROTOPT_URLOPTIONS)) ?
+                                   &optionsp:NULL);
+  if(ccode) {
+    result = CURLUE_MALFORMED_INPUT;
+    goto out;
+  }
+
+  if(userp) {
+    if(flags & CURLU_DISALLOW_USER) {
+      /* Option DISALLOW_USER is set and url contains username. */
+      result = CURLUE_USER_NOT_ALLOWED;
+      goto out;
+    }
+
+    u->user = userp;
+  }
+
+  if(passwdp)
+    u->password = passwdp;
+
+  if(optionsp)
+    u->options = optionsp;
+
+  return CURLUE_OK;
+  out:
+
+  free(userp);
+  free(passwdp);
+  free(optionsp);
+
+  return result;
+}
+
+UNITTEST CURLUcode Curl_parse_port(struct Curl_URL *u, char *hostname)
+{
+  char *portptr = NULL;
+  char endbracket;
+  int len;
+
+  /*
+   * Find the end of an IPv6 address, either on the ']' ending bracket or
+   * a percent-encoded zone index.
+   */
+  if(1 == sscanf(hostname, "[%*45[0123456789abcdefABCDEF:.]%c%n",
+                 &endbracket, &len)) {
+    if(']' == endbracket)
+      portptr = &hostname[len];
+    else if('%' == endbracket) {
+      int zonelen = len;
+      if(1 == sscanf(hostname + zonelen, "25%*[^]]%c%n", &endbracket, &len)) {
+        if(']' != endbracket)
+          return CURLUE_MALFORMED_INPUT;
+        portptr = &hostname[--zonelen + len + 1];
+      }
+      else
+        return CURLUE_MALFORMED_INPUT;
+    }
+    else
+      return CURLUE_MALFORMED_INPUT;
+
+    /* this is a RFC2732-style specified IP-address */
+    if(portptr && *portptr) {
+      if(*portptr != ':')
+        return CURLUE_MALFORMED_INPUT;
+    }
+    else
+      portptr = NULL;
+  }
+  else
+    portptr = strchr(hostname, ':');
+
+  if(portptr) {
+    char *rest;
+    long port;
+    char portbuf[7];
+
+    /* Browser behavior adaptation. If there's a colon with no digits after,
+       just cut off the name there which makes us ignore the colon and just
+       use the default port. Firefox, Chrome and Safari all do that. */
+    if(!portptr[1]) {
+      *portptr = '\0';
+      return CURLUE_OK;
+    }
+
+    if(!ISDIGIT(portptr[1]))
+      return CURLUE_BAD_PORT_NUMBER;
+
+    port = strtol(portptr + 1, &rest, 10);  /* Port number must be decimal */
+
+    if((port <= 0) || (port > 0xffff))
+      /* Single unix standard says port numbers are 16 bits long, but we don't
+         treat port zero as OK. */
+      return CURLUE_BAD_PORT_NUMBER;
+
+    if(rest[0])
+      return CURLUE_BAD_PORT_NUMBER;
+
+    *portptr++ = '\0'; /* cut off the name there */
+    *rest = 0;
+    /* generate a new port number string to get rid of leading zeroes etc */
+    msnprintf(portbuf, sizeof(portbuf), "%ld", port);
+    u->portnum = port;
+    u->port = strdup(portbuf);
+    if(!u->port)
+      return CURLUE_OUT_OF_MEMORY;
+  }
+
+  return CURLUE_OK;
+}
+
+/* scan for byte values < 31 or 127 */
+static CURLUcode junkscan(char *part)
+{
+  char badbytes[]={
+    /* */ 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+    0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+    0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+    0x7f,
+    0x00 /* zero terminate */
+  };
+  if(part) {
+    size_t n = strlen(part);
+    size_t nfine = strcspn(part, badbytes);
+    if(nfine != n)
+      /* since we don't know which part is scanned, return a generic error
+         code */
+      return CURLUE_MALFORMED_INPUT;
+  }
+  return CURLUE_OK;
+}
+
+static CURLUcode hostname_check(char *hostname, unsigned int flags)
+{
+  const char *l = NULL; /* accepted characters */
+  size_t len;
+  size_t hlen = strlen(hostname);
+  (void)flags;
+
+  if(hostname[0] == '[') {
+    hostname++;
+    l = "0123456789abcdefABCDEF::.%";
+    hlen -= 2;
+  }
+
+  if(l) {
+    /* only valid letters are ok */
+    len = strspn(hostname, l);
+    if(hlen != len)
+      /* hostname with bad content */
+      return CURLUE_MALFORMED_INPUT;
+  }
+  else {
+    /* letters from the second string is not ok */
+    len = strcspn(hostname, " ");
+    if(hlen != len)
+      /* hostname with bad content */
+      return CURLUE_MALFORMED_INPUT;
+  }
+  return CURLUE_OK;
+}
+
+#define HOSTNAME_END(x) (((x) == '/') || ((x) == '?') || ((x) == '#'))
+
+static CURLUcode seturl(const char *url, CURLU *u, unsigned int flags)
+{
+  char *path;
+  bool path_alloced = FALSE;
+  char *hostname;
+  char *query = NULL;
+  char *fragment = NULL;
+  CURLUcode result;
+  bool url_has_scheme = FALSE;
+  char schemebuf[MAX_SCHEME_LEN];
+  char *schemep = NULL;
+  size_t schemelen = 0;
+  size_t urllen;
+  const struct Curl_handler *h = NULL;
+
+  if(!url)
+    return CURLUE_MALFORMED_INPUT;
+
+  /*************************************************************
+   * Parse the URL.
+   ************************************************************/
+  /* allocate scratch area */
+  urllen = strlen(url);
+  path = u->scratch = malloc(urllen * 2 + 2);
+  if(!path)
+    return CURLUE_OUT_OF_MEMORY;
+
+  hostname = &path[urllen + 1];
+  hostname[0] = 0;
+
+  if(Curl_is_absolute_url(url, schemebuf, sizeof(schemebuf))) {
+    url_has_scheme = TRUE;
+    schemelen = strlen(schemebuf);
+  }
+
+  /* handle the file: scheme */
+  if(url_has_scheme && strcasecompare(schemebuf, "file")) {
+    /* path has been allocated large enough to hold this */
+    strcpy(path, &url[5]);
+
+    hostname = NULL; /* no host for file: URLs */
+    u->scheme = strdup("file");
+    if(!u->scheme)
+      return CURLUE_OUT_OF_MEMORY;
+
+    /* Extra handling URLs with an authority component (i.e. that start with
+     * "file://")
+     *
+     * We allow omitted hostname (e.g. file:/<path>) -- valid according to
+     * RFC 8089, but not the (current) WHAT-WG URL spec.
+     */
+    if(path[0] == '/' && path[1] == '/') {
+      /* swallow the two slashes */
+      char *ptr = &path[2];
+
+      /*
+       * According to RFC 8089, a file: URL can be reliably dereferenced if:
+       *
+       *  o it has no/blank hostname, or
+       *
+       *  o the hostname matches "localhost" (case-insensitively), or
+       *
+       *  o the hostname is a FQDN that resolves to this machine.
+       *
+       * For brevity, we only consider URLs with empty, "localhost", or
+       * "127.0.0.1" hostnames as local.
+       *
+       * Additionally, there is an exception for URLs with a Windows drive
+       * letter in the authority (which was accidentally omitted from RFC 8089
+       * Appendix E, but believe me, it was meant to be there. --MK)
+       */
+      if(ptr[0] != '/' && !STARTS_WITH_URL_DRIVE_PREFIX(ptr)) {
+        /* the URL includes a host name, it must match "localhost" or
+           "127.0.0.1" to be valid */
+        if(!checkprefix("localhost/", ptr) &&
+           !checkprefix("127.0.0.1/", ptr)) {
+          /* Invalid file://hostname/, expected localhost or 127.0.0.1 or
+             none */
+          return CURLUE_MALFORMED_INPUT;
+        }
+        ptr += 9; /* now points to the slash after the host */
+      }
+
+      path = ptr;
+    }
+
+#if !defined(MSDOS) && !defined(WIN32) && !defined(__CYGWIN__)
+    /* Don't allow Windows drive letters when not in Windows.
+     * This catches both "file:/c:" and "file:c:" */
+    if(('/' == path[0] && STARTS_WITH_URL_DRIVE_PREFIX(&path[1])) ||
+       STARTS_WITH_URL_DRIVE_PREFIX(path)) {
+      /* File drive letters are only accepted in MSDOS/Windows */
+      return CURLUE_MALFORMED_INPUT;
+    }
+#else
+    /* If the path starts with a slash and a drive letter, ditch the slash */
+    if('/' == path[0] && STARTS_WITH_URL_DRIVE_PREFIX(&path[1])) {
+      /* This cannot be done with strcpy, as the memory chunks overlap! */
+      memmove(path, &path[1], strlen(&path[1]) + 1);
+    }
+#endif
+
+  }
+  else {
+    /* clear path */
+    const char *p;
+    const char *hostp;
+    size_t len;
+    path[0] = 0;
+
+    if(url_has_scheme) {
+      int i = 0;
+      p = &url[schemelen + 1];
+      while(p && (*p == '/') && (i < 4)) {
+        p++;
+        i++;
+      }
+      if((i < 1) || (i>3))
+        /* less than one or more than three slashes */
+        return CURLUE_MALFORMED_INPUT;
+
+      schemep = schemebuf;
+      if(!Curl_builtin_scheme(schemep) &&
+         !(flags & CURLU_NON_SUPPORT_SCHEME))
+        return CURLUE_UNSUPPORTED_SCHEME;
+
+      if(junkscan(schemep))
+        return CURLUE_MALFORMED_INPUT;
+    }
+    else {
+      /* no scheme! */
+
+      if(!(flags & (CURLU_DEFAULT_SCHEME|CURLU_GUESS_SCHEME)))
+        return CURLUE_MALFORMED_INPUT;
+      if(flags & CURLU_DEFAULT_SCHEME)
+        schemep = (char *) DEFAULT_SCHEME;
+
+      /*
+       * The URL was badly formatted, let's try without scheme specified.
+       */
+      p = url;
+    }
+    hostp = p; /* host name starts here */
+
+    while(*p && !HOSTNAME_END(*p)) /* find end of host name */
+      p++;
+
+    len = p - hostp;
+    if(!len)
+      return CURLUE_MALFORMED_INPUT;
+
+    memcpy(hostname, hostp, len);
+    hostname[len] = 0;
+
+    if((flags & CURLU_GUESS_SCHEME) && !schemep) {
+      /* legacy curl-style guess based on host name */
+      if(checkprefix("ftp.", hostname))
+        schemep = (char *)"ftp";
+      else if(checkprefix("dict.", hostname))
+        schemep = (char *)"dict";
+      else if(checkprefix("ldap.", hostname))
+        schemep = (char *)"ldap";
+      else if(checkprefix("imap.", hostname))
+        schemep = (char *)"imap";
+      else if(checkprefix("smtp.", hostname))
+        schemep = (char *)"smtp";
+      else if(checkprefix("pop3.", hostname))
+        schemep = (char *)"pop3";
+      else
+        schemep = (char *)"http";
+    }
+
+    len = strlen(p);
+    memcpy(path, p, len);
+    path[len] = 0;
+
+    u->scheme = strdup(schemep);
+    if(!u->scheme)
+      return CURLUE_OUT_OF_MEMORY;
+  }
+
+  /* if this is a known scheme, get some details */
+  h = Curl_builtin_scheme(u->scheme);
+
+  if(junkscan(path))
+    return CURLUE_MALFORMED_INPUT;
+
+  query = strchr(path, '?');
+  if(query)
+    *query++ = 0;
+
+  fragment = strchr(query?query:path, '#');
+  if(fragment)
+    *fragment++ = 0;
+
+  if(!path[0])
+    /* if there's no path set, unset */
+    path = NULL;
+  else if(!(flags & CURLU_PATH_AS_IS)) {
+    /* sanitise paths and remove ../ and ./ sequences according to RFC3986 */
+    char *newp = Curl_dedotdotify(path);
+    if(!newp)
+      return CURLUE_OUT_OF_MEMORY;
+
+    if(strcmp(newp, path)) {
+      /* if we got a new version */
+      path = newp;
+      path_alloced = TRUE;
+    }
+    else
+      free(newp);
+  }
+  if(path) {
+    u->path = path_alloced?path:strdup(path);
+    if(!u->path)
+      return CURLUE_OUT_OF_MEMORY;
+  }
+
+  if(hostname) {
+    /*
+     * Parse the login details and strip them out of the host name.
+     */
+    if(junkscan(hostname))
+      return CURLUE_MALFORMED_INPUT;
+
+    result = parse_hostname_login(u, h, &hostname, flags);
+    if(result)
+      return result;
+
+    result = Curl_parse_port(u, hostname);
+    if(result)
+      return result;
+
+    result = hostname_check(hostname, flags);
+    if(result)
+      return result;
+
+    u->host = strdup(hostname);
+    if(!u->host)
+      return CURLUE_OUT_OF_MEMORY;
+  }
+
+  if(query) {
+    u->query = strdup(query);
+    if(!u->query)
+      return CURLUE_OUT_OF_MEMORY;
+  }
+  if(fragment && fragment[0]) {
+    u->fragment = strdup(fragment);
+    if(!u->fragment)
+      return CURLUE_OUT_OF_MEMORY;
+  }
+
+  free(u->scratch);
+  u->scratch = NULL;
+
+  return CURLUE_OK;
+}
+
+/*
+ * Parse the URL and set the relevant members of the Curl_URL struct.
+ */
+static CURLUcode parseurl(const char *url, CURLU *u, unsigned int flags)
+{
+  CURLUcode result = seturl(url, u, flags);
+  if(result) {
+    free_urlhandle(u);
+    memset(u, 0, sizeof(struct Curl_URL));
+  }
+  return result;
+}
+
+/*
+ */
+CURLU *curl_url(void)
+{
+  return calloc(sizeof(struct Curl_URL), 1);
+}
+
+void curl_url_cleanup(CURLU *u)
+{
+  if(u) {
+    free_urlhandle(u);
+    free(u);
+  }
+}
+
+#define DUP(dest, src, name)         \
+  if(src->name) {                    \
+    dest->name = strdup(src->name);  \
+    if(!dest->name)                  \
+      goto fail;                     \
+  }
+
+CURLU *curl_url_dup(CURLU *in)
+{
+  struct Curl_URL *u = calloc(sizeof(struct Curl_URL), 1);
+  if(u) {
+    DUP(u, in, scheme);
+    DUP(u, in, user);
+    DUP(u, in, password);
+    DUP(u, in, options);
+    DUP(u, in, host);
+    DUP(u, in, port);
+    DUP(u, in, path);
+    DUP(u, in, query);
+    DUP(u, in, fragment);
+    u->portnum = in->portnum;
+  }
+  return u;
+  fail:
+  curl_url_cleanup(u);
+  return NULL;
+}
+
+CURLUcode curl_url_get(CURLU *u, CURLUPart what,
+                       char **part, unsigned int flags)
+{
+  char *ptr;
+  CURLUcode ifmissing = CURLUE_UNKNOWN_PART;
+  char portbuf[7];
+  bool urldecode = (flags & CURLU_URLDECODE)?1:0;
+  bool plusdecode = FALSE;
+  (void)flags;
+  if(!u)
+    return CURLUE_BAD_HANDLE;
+  if(!part)
+    return CURLUE_BAD_PARTPOINTER;
+  *part = NULL;
+
+  switch(what) {
+  case CURLUPART_SCHEME:
+    ptr = u->scheme;
+    ifmissing = CURLUE_NO_SCHEME;
+    urldecode = FALSE; /* never for schemes */
+    break;
+  case CURLUPART_USER:
+    ptr = u->user;
+    ifmissing = CURLUE_NO_USER;
+    break;
+  case CURLUPART_PASSWORD:
+    ptr = u->password;
+    ifmissing = CURLUE_NO_PASSWORD;
+    break;
+  case CURLUPART_OPTIONS:
+    ptr = u->options;
+    ifmissing = CURLUE_NO_OPTIONS;
+    break;
+  case CURLUPART_HOST:
+    ptr = u->host;
+    ifmissing = CURLUE_NO_HOST;
+    break;
+  case CURLUPART_PORT:
+    ptr = u->port;
+    ifmissing = CURLUE_NO_PORT;
+    urldecode = FALSE; /* never for port */
+    if(!ptr && (flags & CURLU_DEFAULT_PORT) && u->scheme) {
+      /* there's no stored port number, but asked to deliver
+         a default one for the scheme */
+      const struct Curl_handler *h =
+        Curl_builtin_scheme(u->scheme);
+      if(h) {
+        msnprintf(portbuf, sizeof(portbuf), "%ld", h->defport);
+        ptr = portbuf;
+      }
+    }
+    else if(ptr && u->scheme) {
+      /* there is a stored port number, but ask to inhibit if
+         it matches the default one for the scheme */
+      const struct Curl_handler *h =
+        Curl_builtin_scheme(u->scheme);
+      if(h && (h->defport == u->portnum) &&
+         (flags & CURLU_NO_DEFAULT_PORT))
+        ptr = NULL;
+    }
+    break;
+  case CURLUPART_PATH:
+    ptr = u->path;
+    if(!ptr) {
+      ptr = u->path = strdup("/");
+      if(!u->path)
+        return CURLUE_OUT_OF_MEMORY;
+    }
+    break;
+  case CURLUPART_QUERY:
+    ptr = u->query;
+    ifmissing = CURLUE_NO_QUERY;
+    plusdecode = urldecode;
+    break;
+  case CURLUPART_FRAGMENT:
+    ptr = u->fragment;
+    ifmissing = CURLUE_NO_FRAGMENT;
+    break;
+  case CURLUPART_URL: {
+    char *url;
+    char *scheme;
+    char *options = u->options;
+    char *port = u->port;
+    if(u->scheme && strcasecompare("file", u->scheme)) {
+      url = aprintf("file://%s%s%s",
+                    u->path,
+                    u->fragment? "#": "",
+                    u->fragment? u->fragment : "");
+    }
+    else if(!u->host)
+      return CURLUE_NO_HOST;
+    else {
+      const struct Curl_handler *h = NULL;
+      if(u->scheme)
+        scheme = u->scheme;
+      else if(flags & CURLU_DEFAULT_SCHEME)
+        scheme = (char *) DEFAULT_SCHEME;
+      else
+        return CURLUE_NO_SCHEME;
+
+      if(scheme) {
+        h = Curl_builtin_scheme(scheme);
+        if(!port && (flags & CURLU_DEFAULT_PORT)) {
+          /* there's no stored port number, but asked to deliver
+             a default one for the scheme */
+          if(h) {
+            msnprintf(portbuf, sizeof(portbuf), "%ld", h->defport);
+            port = portbuf;
+          }
+        }
+        else if(port) {
+          /* there is a stored port number, but asked to inhibit if it matches
+             the default one for the scheme */
+          if(h && (h->defport == u->portnum) &&
+             (flags & CURLU_NO_DEFAULT_PORT))
+            port = NULL;
+        }
+      }
+      if(h && !(h->flags & PROTOPT_URLOPTIONS))
+        options = NULL;
+
+      url = aprintf("%s://%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
+                    scheme,
+                    u->user ? u->user : "",
+                    u->password ? ":": "",
+                    u->password ? u->password : "",
+                    options ? ";" : "",
+                    options ? options : "",
+                    (u->user || u->password || options) ? "@": "",
+                    u->host,
+                    port ? ":": "",
+                    port ? port : "",
+                    (u->path && (u->path[0] != '/')) ? "/": "",
+                    u->path ? u->path : "/",
+                    (u->query && u->query[0]) ? "?": "",
+                    (u->query && u->query[0]) ? u->query : "",
+                    u->fragment? "#": "",
+                    u->fragment? u->fragment : "");
+    }
+    if(!url)
+      return CURLUE_OUT_OF_MEMORY;
+    *part = url;
+    return CURLUE_OK;
+    break;
+  }
+  default:
+    ptr = NULL;
+  }
+  if(ptr) {
+    *part = strdup(ptr);
+    if(!*part)
+      return CURLUE_OUT_OF_MEMORY;
+    if(plusdecode) {
+      /* convert + to space */
+      char *plus;
+      for(plus = *part; *plus; ++plus) {
+        if(*plus == '+')
+          *plus = ' ';
+      }
+    }
+    if(urldecode) {
+      char *decoded;
+      size_t dlen;
+      CURLcode res = Curl_urldecode(NULL, *part, 0, &decoded, &dlen, TRUE);
+      free(*part);
+      if(res) {
+        *part = NULL;
+        return CURLUE_URLDECODE;
+      }
+      *part = decoded;
+    }
+    return CURLUE_OK;
+  }
+  else
+    return ifmissing;
+}
+
+CURLUcode curl_url_set(CURLU *u, CURLUPart what,
+                       const char *part, unsigned int flags)
+{
+  char **storep = NULL;
+  long port = 0;
+  bool urlencode = (flags & CURLU_URLENCODE)? 1 : 0;
+  bool plusencode = FALSE;
+  bool urlskipslash = FALSE;
+  bool appendquery = FALSE;
+  bool equalsencode = FALSE;
+
+  if(!u)
+    return CURLUE_BAD_HANDLE;
+  if(!part) {
+    /* setting a part to NULL clears it */
+    switch(what) {
+    case CURLUPART_URL:
+      break;
+    case CURLUPART_SCHEME:
+      storep = &u->scheme;
+      break;
+    case CURLUPART_USER:
+      storep = &u->user;
+      break;
+    case CURLUPART_PASSWORD:
+      storep = &u->password;
+      break;
+    case CURLUPART_OPTIONS:
+      storep = &u->options;
+      break;
+    case CURLUPART_HOST:
+      storep = &u->host;
+      break;
+    case CURLUPART_PORT:
+      storep = &u->port;
+      break;
+    case CURLUPART_PATH:
+      storep = &u->path;
+      break;
+    case CURLUPART_QUERY:
+      storep = &u->query;
+      break;
+    case CURLUPART_FRAGMENT:
+      storep = &u->fragment;
+      break;
+    default:
+      return CURLUE_UNKNOWN_PART;
+    }
+    if(storep && *storep) {
+      free(*storep);
+      *storep = NULL;
+    }
+    return CURLUE_OK;
+  }
+
+  switch(what) {
+  case CURLUPART_SCHEME:
+    if(!(flags & CURLU_NON_SUPPORT_SCHEME) &&
+       /* verify that it is a fine scheme */
+       !Curl_builtin_scheme(part))
+      return CURLUE_UNSUPPORTED_SCHEME;
+    storep = &u->scheme;
+    urlencode = FALSE; /* never */
+    break;
+  case CURLUPART_USER:
+    storep = &u->user;
+    break;
+  case CURLUPART_PASSWORD:
+    storep = &u->password;
+    break;
+  case CURLUPART_OPTIONS:
+    storep = &u->options;
+    break;
+  case CURLUPART_HOST:
+    storep = &u->host;
+    break;
+  case CURLUPART_PORT:
+    urlencode = FALSE; /* never */
+    port = strtol(part, NULL, 10);  /* Port number must be decimal */
+    if((port <= 0) || (port > 0xffff))
+      return CURLUE_BAD_PORT_NUMBER;
+    storep = &u->port;
+    break;
+  case CURLUPART_PATH:
+    urlskipslash = TRUE;
+    storep = &u->path;
+    break;
+  case CURLUPART_QUERY:
+    plusencode = urlencode;
+    appendquery = (flags & CURLU_APPENDQUERY)?1:0;
+    equalsencode = appendquery;
+    storep = &u->query;
+    break;
+  case CURLUPART_FRAGMENT:
+    storep = &u->fragment;
+    break;
+  case CURLUPART_URL: {
+    /*
+     * Allow a new URL to replace the existing (if any) contents.
+     *
+     * If the existing contents is enough for a URL, allow a relative URL to
+     * replace it.
+     */
+    CURLUcode result;
+    char *oldurl;
+    char *redired_url;
+    CURLU *handle2;
+
+    if(Curl_is_absolute_url(part, NULL, MAX_SCHEME_LEN)) {
+      handle2 = curl_url();
+      if(!handle2)
+        return CURLUE_OUT_OF_MEMORY;
+      result = parseurl(part, handle2, flags);
+      if(!result)
+        mv_urlhandle(handle2, u);
+      else
+        curl_url_cleanup(handle2);
+      return result;
+    }
+    /* extract the full "old" URL to do the redirect on */
+    result = curl_url_get(u, CURLUPART_URL, &oldurl, flags);
+    if(result) {
+      /* couldn't get the old URL, just use the new! */
+      handle2 = curl_url();
+      if(!handle2)
+        return CURLUE_OUT_OF_MEMORY;
+      result = parseurl(part, handle2, flags);
+      if(!result)
+        mv_urlhandle(handle2, u);
+      else
+        curl_url_cleanup(handle2);
+      return result;
+    }
+
+    /* apply the relative part to create a new URL */
+    redired_url = Curl_concat_url(oldurl, part);
+    free(oldurl);
+    if(!redired_url)
+      return CURLUE_OUT_OF_MEMORY;
+
+    /* now parse the new URL */
+    handle2 = curl_url();
+    if(!handle2) {
+      free(redired_url);
+      return CURLUE_OUT_OF_MEMORY;
+    }
+    result = parseurl(redired_url, handle2, flags);
+    free(redired_url);
+    if(!result)
+      mv_urlhandle(handle2, u);
+    else
+      curl_url_cleanup(handle2);
+    return result;
+  }
+  default:
+    return CURLUE_UNKNOWN_PART;
+  }
+  if(storep) {
+    const char *newp = part;
+    size_t nalloc = strlen(part);
+
+    if(urlencode) {
+      const char *i;
+      char *o;
+      bool free_part = FALSE;
+      char *enc = malloc(nalloc * 3 + 1); /* for worst case! */
+      if(!enc)
+        return CURLUE_OUT_OF_MEMORY;
+      if(plusencode) {
+        /* space to plus */
+        i = part;
+        for(o = enc; *i; ++o, ++i)
+          *o = (*i == ' ') ? '+' : *i;
+        *o = 0; /* zero terminate */
+        part = strdup(enc);
+        if(!part) {
+          free(enc);
+          return CURLUE_OUT_OF_MEMORY;
+        }
+        free_part = TRUE;
+      }
+      for(i = part, o = enc; *i; i++) {
+        if(Curl_isunreserved(*i) ||
+           ((*i == '/') && urlskipslash) ||
+           ((*i == '=') && equalsencode) ||
+           ((*i == '+') && plusencode)) {
+          if((*i == '=') && equalsencode)
+            /* only skip the first equals sign */
+            equalsencode = FALSE;
+          *o = *i;
+          o++;
+        }
+        else {
+          msnprintf(o, 4, "%%%02x", *i);
+          o += 3;
+        }
+      }
+      *o = 0; /* zero terminate */
+      newp = enc;
+      if(free_part)
+        free((char *)part);
+    }
+    else {
+      char *p;
+      newp = strdup(part);
+      if(!newp)
+        return CURLUE_OUT_OF_MEMORY;
+      p = (char *)newp;
+      while(*p) {
+        /* make sure percent encoded are lower case */
+        if((*p == '%') && ISXDIGIT(p[1]) && ISXDIGIT(p[2]) &&
+           (ISUPPER(p[1]) || ISUPPER(p[2]))) {
+          p[1] = (char)TOLOWER(p[1]);
+          p[2] = (char)TOLOWER(p[2]);
+          p += 3;
+        }
+        else
+          p++;
+      }
+    }
+
+    if(appendquery) {
+      /* Append the string onto the old query. Add a '&' separator if none is
+         present at the end of the exsting query already */
+      size_t querylen = u->query ? strlen(u->query) : 0;
+      bool addamperand = querylen && (u->query[querylen -1] != '&');
+      if(querylen) {
+        size_t newplen = strlen(newp);
+        char *p = malloc(querylen + addamperand + newplen + 1);
+        if(!p) {
+          free((char *)newp);
+          return CURLUE_OUT_OF_MEMORY;
+        }
+        strcpy(p, u->query); /* original query */
+        if(addamperand)
+          p[querylen] = '&'; /* ampersand */
+        strcpy(&p[querylen + addamperand], newp); /* new suffix */
+        free((char *)newp);
+        free(*storep);
+        *storep = p;
+        return CURLUE_OK;
+      }
+    }
+
+    free(*storep);
+    *storep = (char *)newp;
+  }
+  /* set after the string, to make it not assigned if the allocation above
+     fails */
+  if(port)
+    u->portnum = port;
+  return CURLUE_OK;
+}
Index: trunk/src/libs/curl-7.64.0/lib/urldata.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/urldata.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/urldata.h	(revision 85671)
@@ -0,0 +1,1846 @@
+#ifndef HEADER_CURL_URLDATA_H
+#define HEADER_CURL_URLDATA_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* This file is for lib internal stuff */
+
+#include "curl_setup.h"
+
+#define PORT_FTP 21
+#define PORT_FTPS 990
+#define PORT_TELNET 23
+#define PORT_HTTP 80
+#define PORT_HTTPS 443
+#define PORT_DICT 2628
+#define PORT_LDAP 389
+#define PORT_LDAPS 636
+#define PORT_TFTP 69
+#define PORT_SSH 22
+#define PORT_IMAP 143
+#define PORT_IMAPS 993
+#define PORT_POP3 110
+#define PORT_POP3S 995
+#define PORT_SMB 445
+#define PORT_SMBS 445
+#define PORT_SMTP 25
+#define PORT_SMTPS 465 /* sometimes called SSMTP */
+#define PORT_RTSP 554
+#define PORT_RTMP 1935
+#define PORT_RTMPT PORT_HTTP
+#define PORT_RTMPS PORT_HTTPS
+#define PORT_GOPHER 70
+
+#define DICT_MATCH "/MATCH:"
+#define DICT_MATCH2 "/M:"
+#define DICT_MATCH3 "/FIND:"
+#define DICT_DEFINE "/DEFINE:"
+#define DICT_DEFINE2 "/D:"
+#define DICT_DEFINE3 "/LOOKUP:"
+
+#define CURL_DEFAULT_USER "anonymous"
+#define CURL_DEFAULT_PASSWORD "ftp@example.com"
+
+/* Convenience defines for checking protocols or their SSL based version. Each
+   protocol handler should only ever have a single CURLPROTO_ in its protocol
+   field. */
+#define PROTO_FAMILY_HTTP (CURLPROTO_HTTP|CURLPROTO_HTTPS)
+#define PROTO_FAMILY_FTP  (CURLPROTO_FTP|CURLPROTO_FTPS)
+#define PROTO_FAMILY_POP3 (CURLPROTO_POP3|CURLPROTO_POP3S)
+#define PROTO_FAMILY_SMB  (CURLPROTO_SMB|CURLPROTO_SMBS)
+#define PROTO_FAMILY_SMTP (CURLPROTO_SMTP|CURLPROTO_SMTPS)
+
+#define DEFAULT_CONNCACHE_SIZE 5
+
+/* length of longest IPv6 address string including the trailing null */
+#define MAX_IPADR_LEN sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")
+
+/* Default FTP/IMAP etc response timeout in milliseconds.
+   Symbian OS panics when given a timeout much greater than 1/2 hour.
+*/
+#define RESP_TIMEOUT (120*1000)
+
+#include "cookie.h"
+#include "psl.h"
+#include "formdata.h"
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETINET_IN6_H
+#include <netinet/in6.h>
+#endif
+
+#include "timeval.h"
+
+#include <curl/curl.h>
+
+#include "http_chunks.h" /* for the structs and enum stuff */
+#include "hostip.h"
+#include "hash.h"
+#include "splay.h"
+
+/* return the count of bytes sent, or -1 on error */
+typedef ssize_t (Curl_send)(struct connectdata *conn, /* connection data */
+                            int sockindex,            /* socketindex */
+                            const void *buf,          /* data to write */
+                            size_t len,               /* max amount to write */
+                            CURLcode *err);           /* error to return */
+
+/* return the count of bytes read, or -1 on error */
+typedef ssize_t (Curl_recv)(struct connectdata *conn, /* connection data */
+                            int sockindex,            /* socketindex */
+                            char *buf,                /* store data here */
+                            size_t len,               /* max amount to read */
+                            CURLcode *err);           /* error to return */
+
+#include "mime.h"
+#include "imap.h"
+#include "pop3.h"
+#include "smtp.h"
+#include "ftp.h"
+#include "file.h"
+#include "ssh.h"
+#include "http.h"
+#include "rtsp.h"
+#include "smb.h"
+#include "wildcard.h"
+#include "multihandle.h"
+
+#ifdef HAVE_GSSAPI
+# ifdef HAVE_GSSGNU
+#  include <gss.h>
+# elif defined HAVE_GSSMIT
+#  include <gssapi/gssapi.h>
+#  include <gssapi/gssapi_generic.h>
+# else
+#  include <gssapi.h>
+# endif
+#endif
+
+#ifdef HAVE_LIBSSH2_H
+#include <libssh2.h>
+#include <libssh2_sftp.h>
+#endif /* HAVE_LIBSSH2_H */
+
+
+/* The "master buffer" is for HTTP pipelining */
+#define MASTERBUF_SIZE 16384
+
+/* Initial size of the buffer to store headers in, it'll be enlarged in case
+   of need. */
+#define HEADERSIZE 256
+
+#define CURLEASY_MAGIC_NUMBER 0xc0dedbadU
+#define GOOD_EASY_HANDLE(x) \
+  ((x) && ((x)->magic == CURLEASY_MAGIC_NUMBER))
+
+#ifdef HAVE_GSSAPI
+/* Types needed for krb5-ftp connections */
+struct krb5buffer {
+  void *data;
+  size_t size;
+  size_t index;
+  int eof_flag;
+};
+
+enum protection_level {
+  PROT_NONE, /* first in list */
+  PROT_CLEAR,
+  PROT_SAFE,
+  PROT_CONFIDENTIAL,
+  PROT_PRIVATE,
+  PROT_CMD,
+  PROT_LAST /* last in list */
+};
+#endif
+
+/* enum for the nonblocking SSL connection state machine */
+typedef enum {
+  ssl_connect_1,
+  ssl_connect_2,
+  ssl_connect_2_reading,
+  ssl_connect_2_writing,
+  ssl_connect_3,
+  ssl_connect_done
+} ssl_connect_state;
+
+typedef enum {
+  ssl_connection_none,
+  ssl_connection_negotiating,
+  ssl_connection_complete
+} ssl_connection_state;
+
+/* SSL backend-specific data; declared differently by each SSL backend */
+struct ssl_backend_data;
+
+/* struct for data related to each SSL connection */
+struct ssl_connect_data {
+  /* Use ssl encrypted communications TRUE/FALSE, not necessarily using it atm
+     but at least asked to or meaning to use it. See 'state' for the exact
+     current state of the connection. */
+  bool use;
+  ssl_connection_state state;
+  ssl_connect_state connecting_state;
+#if defined(USE_SSL)
+  struct ssl_backend_data *backend;
+#endif
+};
+
+struct ssl_primary_config {
+  long version;          /* what version the client wants to use */
+  long version_max;      /* max supported version the client wants to use*/
+  bool verifypeer;       /* set TRUE if this is desired */
+  bool verifyhost;       /* set TRUE if CN/SAN must match hostname */
+  bool verifystatus;     /* set TRUE if certificate status must be checked */
+  bool sessionid;        /* cache session IDs or not */
+  char *CApath;          /* certificate dir (doesn't work on windows) */
+  char *CAfile;          /* certificate to verify peer against */
+  char *clientcert;
+  char *random_file;     /* path to file containing "random" data */
+  char *egdsocket;       /* path to file containing the EGD daemon socket */
+  char *cipher_list;     /* list of ciphers to use */
+  char *cipher_list13;   /* list of TLS 1.3 cipher suites to use */
+};
+
+struct ssl_config_data {
+  struct ssl_primary_config primary;
+  bool enable_beast; /* especially allow this flaw for interoperability's
+                        sake*/
+  bool no_revoke;    /* disable SSL certificate revocation checks */
+  long certverifyresult; /* result from the certificate verification */
+  char *CRLfile;   /* CRL to check certificate revocation */
+  char *issuercert;/* optional issuer certificate filename */
+  curl_ssl_ctx_callback fsslctx; /* function to initialize ssl ctx */
+  void *fsslctxp;        /* parameter for call back */
+  bool certinfo;         /* gather lots of certificate info */
+  bool falsestart;
+
+  char *cert; /* client certificate file name */
+  char *cert_type; /* format for certificate (default: PEM)*/
+  char *key; /* private key file name */
+  char *key_type; /* format for private key (default: PEM) */
+  char *key_passwd; /* plain text private key password */
+
+#ifdef USE_TLS_SRP
+  char *username; /* TLS username (for, e.g., SRP) */
+  char *password; /* TLS password (for, e.g., SRP) */
+  enum CURL_TLSAUTH authtype; /* TLS authentication type (default SRP) */
+#endif
+};
+
+struct ssl_general_config {
+  size_t max_ssl_sessions; /* SSL session id cache size */
+};
+
+/* information stored about one single SSL session */
+struct curl_ssl_session {
+  char *name;       /* host name for which this ID was used */
+  char *conn_to_host; /* host name for the connection (may be NULL) */
+  const char *scheme; /* protocol scheme used */
+  void *sessionid;  /* as returned from the SSL layer */
+  size_t idsize;    /* if known, otherwise 0 */
+  long age;         /* just a number, the higher the more recent */
+  int remote_port;  /* remote port */
+  int conn_to_port; /* remote port for the connection (may be -1) */
+  struct ssl_primary_config ssl_config; /* setup for this session */
+};
+
+#ifdef USE_WINDOWS_SSPI
+#include "curl_sspi.h"
+#endif
+
+/* Struct used for Digest challenge-response authentication */
+struct digestdata {
+#if defined(USE_WINDOWS_SSPI)
+  BYTE *input_token;
+  size_t input_token_len;
+  CtxtHandle *http_context;
+  /* copy of user/passwd used to make the identity for http_context.
+     either may be NULL. */
+  char *user;
+  char *passwd;
+#else
+  char *nonce;
+  char *cnonce;
+  char *realm;
+  int algo;
+  bool stale; /* set true for re-negotiation */
+  char *opaque;
+  char *qop;
+  char *algorithm;
+  int nc; /* nounce count */
+  bool userhash;
+#endif
+};
+
+typedef enum {
+  NTLMSTATE_NONE,
+  NTLMSTATE_TYPE1,
+  NTLMSTATE_TYPE2,
+  NTLMSTATE_TYPE3,
+  NTLMSTATE_LAST
+} curlntlm;
+
+#if defined(CURL_DOES_CONVERSIONS) && defined(HAVE_ICONV)
+#include <iconv.h>
+#endif
+
+/* Struct used for GSSAPI (Kerberos V5) authentication */
+#if defined(USE_KERBEROS5)
+struct kerberos5data {
+#if defined(USE_WINDOWS_SSPI)
+  CredHandle *credentials;
+  CtxtHandle *context;
+  TCHAR *spn;
+  SEC_WINNT_AUTH_IDENTITY identity;
+  SEC_WINNT_AUTH_IDENTITY *p_identity;
+  size_t token_max;
+  BYTE *output_token;
+#else
+  gss_ctx_id_t context;
+  gss_name_t spn;
+#endif
+};
+#endif
+
+/* Struct used for NTLM challenge-response authentication */
+#if defined(USE_NTLM)
+struct ntlmdata {
+  curlntlm state;
+#ifdef USE_WINDOWS_SSPI
+/* The sslContext is used for the Schannel bindings. The
+ * api is available on the Windows 7 SDK and later.
+ */
+#ifdef SECPKG_ATTR_ENDPOINT_BINDINGS
+  CtxtHandle *sslContext;
+#endif
+  CredHandle *credentials;
+  CtxtHandle *context;
+  SEC_WINNT_AUTH_IDENTITY identity;
+  SEC_WINNT_AUTH_IDENTITY *p_identity;
+  size_t token_max;
+  BYTE *output_token;
+  BYTE *input_token;
+  size_t input_token_len;
+  TCHAR *spn;
+#else
+  unsigned int flags;
+  unsigned char nonce[8];
+  void *target_info; /* TargetInfo received in the ntlm type-2 message */
+  unsigned int target_info_len;
+#endif
+};
+#endif
+
+#ifdef USE_SPNEGO
+struct negotiatedata {
+  /* When doing Negotiate (SPNEGO) auth, we first need to send a token
+     and then validate the received one. */
+  enum { GSS_AUTHNONE, GSS_AUTHRECV, GSS_AUTHSENT } state;
+#ifdef HAVE_GSSAPI
+  OM_uint32 status;
+  gss_ctx_id_t context;
+  gss_name_t spn;
+  gss_buffer_desc output_token;
+#else
+#ifdef USE_WINDOWS_SSPI
+#ifdef SECPKG_ATTR_ENDPOINT_BINDINGS
+  CtxtHandle *sslContext;
+#endif
+  DWORD status;
+  CredHandle *credentials;
+  CtxtHandle *context;
+  SEC_WINNT_AUTH_IDENTITY identity;
+  SEC_WINNT_AUTH_IDENTITY *p_identity;
+  TCHAR *spn;
+  size_t token_max;
+  BYTE *output_token;
+  size_t output_token_length;
+#endif
+#endif
+};
+#endif
+
+
+/*
+ * Boolean values that concerns this connection.
+ */
+struct ConnectBits {
+  /* always modify bits.close with the connclose() and connkeep() macros! */
+  bool close; /* if set, we close the connection after this request */
+  bool reuse; /* if set, this is a re-used connection */
+  bool conn_to_host; /* if set, this connection has a "connect to host"
+                        that overrides the host in the URL */
+  bool conn_to_port; /* if set, this connection has a "connect to port"
+                        that overrides the port in the URL (remote port) */
+  bool proxy; /* if set, this transfer is done through a proxy - any type */
+  bool httpproxy;    /* if set, this transfer is done through a http proxy */
+  bool socksproxy;   /* if set, this transfer is done through a socks proxy */
+  bool user_passwd;    /* do we use user+password for this connection? */
+  bool proxy_user_passwd; /* user+password for the proxy? */
+  bool ipv6_ip; /* we communicate with a remote site specified with pure IPv6
+                   IP address */
+  bool ipv6;    /* we communicate with a site using an IPv6 address */
+
+  bool do_more; /* this is set TRUE if the ->curl_do_more() function is
+                   supposed to be called, after ->curl_do() */
+  bool tcpconnect[2]; /* the TCP layer (or similar) is connected, this is set
+                         the first time on the first connect function call */
+  bool protoconnstart;/* the protocol layer has STARTED its operation after
+                         the TCP layer connect */
+
+  bool retry;         /* this connection is about to get closed and then
+                         re-attempted at another connection. */
+  bool tunnel_proxy;  /* if CONNECT is used to "tunnel" through the proxy.
+                         This is implicit when SSL-protocols are used through
+                         proxies, but can also be enabled explicitly by
+                         apps */
+  bool authneg;       /* TRUE when the auth phase has started, which means
+                         that we are creating a request with an auth header,
+                         but it is not the final request in the auth
+                         negotiation. */
+  bool rewindaftersend;/* TRUE when the sending couldn't be stopped even
+                          though it will be discarded. When the whole send
+                          operation is done, we must call the data rewind
+                          callback. */
+  bool ftp_use_epsv;  /* As set with CURLOPT_FTP_USE_EPSV, but if we find out
+                         EPSV doesn't work we disable it for the forthcoming
+                         requests */
+
+  bool ftp_use_eprt;  /* As set with CURLOPT_FTP_USE_EPRT, but if we find out
+                         EPRT doesn't work we disable it for the forthcoming
+                         requests */
+  bool ftp_use_data_ssl; /* Enabled SSL for the data connection */
+  bool netrc;         /* name+password provided by netrc */
+  bool userpwd_in_url; /* name+password found in url */
+  bool stream_was_rewound; /* Indicates that the stream was rewound after a
+                              request read past the end of its response byte
+                              boundary */
+  bool proxy_connect_closed; /* set true if a proxy disconnected the
+                                connection in a CONNECT request with auth, so
+                                that libcurl should reconnect and continue. */
+  bool bound; /* set true if bind() has already been done on this socket/
+                 connection */
+  bool type_set;  /* type= was used in the URL */
+  bool multiplex; /* connection is multiplexed */
+
+  bool tcp_fastopen; /* use TCP Fast Open */
+  bool tls_enable_npn;  /* TLS NPN extension? */
+  bool tls_enable_alpn; /* TLS ALPN extension? */
+  bool proxy_ssl_connected[2]; /* TRUE when SSL initialization for HTTPS proxy
+                                  is complete */
+  bool socksproxy_connecting; /* connecting through a socks proxy */
+};
+
+struct hostname {
+  char *rawalloc; /* allocated "raw" version of the name */
+  char *encalloc; /* allocated IDN-encoded version of the name */
+  char *name;     /* name to use internally, might be encoded, might be raw */
+  const char *dispname; /* name to display, as 'name' might be encoded */
+};
+
+/*
+ * Flags on the keepon member of the Curl_transfer_keeper
+ */
+
+#define KEEP_NONE  0
+#define KEEP_RECV  (1<<0)     /* there is or may be data to read */
+#define KEEP_SEND (1<<1)     /* there is or may be data to write */
+#define KEEP_RECV_HOLD (1<<2) /* when set, no reading should be done but there
+                                 might still be data to read */
+#define KEEP_SEND_HOLD (1<<3) /* when set, no writing should be done but there
+                                  might still be data to write */
+#define KEEP_RECV_PAUSE (1<<4) /* reading is paused */
+#define KEEP_SEND_PAUSE (1<<5) /* writing is paused */
+
+#define KEEP_RECVBITS (KEEP_RECV | KEEP_RECV_HOLD | KEEP_RECV_PAUSE)
+#define KEEP_SENDBITS (KEEP_SEND | KEEP_SEND_HOLD | KEEP_SEND_PAUSE)
+
+
+struct Curl_async {
+  char *hostname;
+  int port;
+  struct Curl_dns_entry *dns;
+  bool done;  /* set TRUE when the lookup is complete */
+  int status; /* if done is TRUE, this is the status from the callback */
+  void *os_specific;  /* 'struct thread_data' for Windows */
+};
+
+#define FIRSTSOCKET     0
+#define SECONDARYSOCKET 1
+
+/* These function pointer types are here only to allow easier typecasting
+   within the source when we need to cast between data pointers (such as NULL)
+   and function pointers. */
+typedef CURLcode (*Curl_do_more_func)(struct connectdata *, int *);
+typedef CURLcode (*Curl_done_func)(struct connectdata *, CURLcode, bool);
+
+enum expect100 {
+  EXP100_SEND_DATA,           /* enough waiting, just send the body now */
+  EXP100_AWAITING_CONTINUE,   /* waiting for the 100 Continue header */
+  EXP100_SENDING_REQUEST,     /* still sending the request but will wait for
+                                 the 100 header once done with the request */
+  EXP100_FAILED               /* used on 417 Expectation Failed */
+};
+
+enum upgrade101 {
+  UPGR101_INIT,               /* default state */
+  UPGR101_REQUESTED,          /* upgrade requested */
+  UPGR101_RECEIVED,           /* response received */
+  UPGR101_WORKING             /* talking upgraded protocol */
+};
+
+struct dohresponse {
+  unsigned char *memory;
+  size_t size;
+};
+
+/* one of these for each DoH request */
+struct dnsprobe {
+  CURL *easy;
+  int dnstype;
+  unsigned char dohbuffer[512];
+  size_t dohlen;
+  struct dohresponse serverdoh;
+};
+
+struct dohdata {
+  struct curl_slist *headers;
+  struct dnsprobe probe[2];
+  unsigned int pending; /* still outstanding requests */
+  const char *host;
+  int port;
+};
+
+/*
+ * Request specific data in the easy handle (Curl_easy).  Previously,
+ * these members were on the connectdata struct but since a conn struct may
+ * now be shared between different Curl_easys, we store connection-specific
+ * data here. This struct only keeps stuff that's interesting for *this*
+ * request, as it will be cleared between multiple ones
+ */
+struct SingleRequest {
+  curl_off_t size;        /* -1 if unknown at this point */
+  curl_off_t *bytecountp; /* return number of bytes read or NULL */
+
+  curl_off_t maxdownload; /* in bytes, the maximum amount of data to fetch,
+                             -1 means unlimited */
+  curl_off_t *writebytecountp; /* return number of bytes written or NULL */
+
+  curl_off_t bytecount;         /* total number of bytes read */
+  curl_off_t writebytecount;    /* number of bytes written */
+
+  long headerbytecount;         /* only count received headers */
+  long deductheadercount; /* this amount of bytes doesn't count when we check
+                             if anything has been transferred at the end of a
+                             connection. We use this counter to make only a
+                             100 reply (without a following second response
+                             code) result in a CURLE_GOT_NOTHING error code */
+
+  struct curltime start;         /* transfer started at this time */
+  struct curltime now;           /* current time */
+  bool header;                  /* incoming data has HTTP header */
+  enum {
+    HEADER_NORMAL,              /* no bad header at all */
+    HEADER_PARTHEADER,          /* part of the chunk is a bad header, the rest
+                                   is normal data */
+    HEADER_ALLBAD               /* all was believed to be header */
+  } badheader;                  /* the header was deemed bad and will be
+                                   written as body */
+  int headerline;               /* counts header lines to better track the
+                                   first one */
+  char *hbufp;                  /* points at *end* of header line */
+  size_t hbuflen;
+  char *str;                    /* within buf */
+  char *str_start;              /* within buf */
+  char *end_ptr;                /* within buf */
+  char *p;                      /* within headerbuff */
+  bool content_range;           /* set TRUE if Content-Range: was found */
+  curl_off_t offset;            /* possible resume offset read from the
+                                   Content-Range: header */
+  int httpcode;                 /* error code from the 'HTTP/1.? XXX' or
+                                   'RTSP/1.? XXX' line */
+  struct curltime start100;      /* time stamp to wait for the 100 code from */
+  enum expect100 exp100;        /* expect 100 continue state */
+  enum upgrade101 upgr101;      /* 101 upgrade state */
+
+  struct contenc_writer_s *writer_stack;  /* Content unencoding stack. */
+                                          /* See sec 3.5, RFC2616. */
+  time_t timeofdoc;
+  long bodywrites;
+
+  char *buf;
+  curl_socket_t maxfd;
+
+  int keepon;
+
+  bool upload_done; /* set to TRUE when doing chunked transfer-encoding upload
+                       and we're uploading the last chunk */
+
+  bool ignorebody;  /* we read a response-body but we ignore it! */
+  bool ignorecl;    /* This HTTP response has no body so we ignore the Content-
+                       Length: header */
+
+  char *location;   /* This points to an allocated version of the Location:
+                       header data */
+  char *newurl;     /* Set to the new URL to use when a redirect or a retry is
+                       wanted */
+
+  /* 'upload_present' is used to keep a byte counter of how much data there is
+     still left in the buffer, aimed for upload. */
+  ssize_t upload_present;
+
+   /* 'upload_fromhere' is used as a read-pointer when we uploaded parts of a
+      buffer, so the next read should read from where this pointer points to,
+      and the 'upload_present' contains the number of bytes available at this
+      position */
+  char *upload_fromhere;
+
+  bool chunk; /* if set, this is a chunked transfer-encoding */
+  bool upload_chunky; /* set TRUE if we are doing chunked transfer-encoding
+                         on upload */
+  bool getheader;     /* TRUE if header parsing is wanted */
+
+  bool forbidchunk;   /* used only to explicitly forbid chunk-upload for
+                         specific upload buffers. See readmoredata() in
+                         http.c for details. */
+
+  void *protop;       /* Allocated protocol-specific data. Each protocol
+                         handler makes sure this points to data it needs. */
+  struct dohdata doh; /* DoH specific data for this request */
+};
+
+/*
+ * Specific protocol handler.
+ */
+
+struct Curl_handler {
+  const char *scheme;        /* URL scheme name. */
+
+  /* Complement to setup_connection_internals(). */
+  CURLcode (*setup_connection)(struct connectdata *);
+
+  /* These two functions MUST be set to be protocol dependent */
+  CURLcode (*do_it)(struct connectdata *, bool *done);
+  Curl_done_func done;
+
+  /* If the curl_do() function is better made in two halves, this
+   * curl_do_more() function will be called afterwards, if set. For example
+   * for doing the FTP stuff after the PASV/PORT command.
+   */
+  Curl_do_more_func do_more;
+
+  /* This function *MAY* be set to a protocol-dependent function that is run
+   * after the connect() and everything is done, as a step in the connection.
+   * The 'done' pointer points to a bool that should be set to TRUE if the
+   * function completes before return. If it doesn't complete, the caller
+   * should call the curl_connecting() function until it is.
+   */
+  CURLcode (*connect_it)(struct connectdata *, bool *done);
+
+  /* See above. */
+  CURLcode (*connecting)(struct connectdata *, bool *done);
+  CURLcode (*doing)(struct connectdata *, bool *done);
+
+  /* Called from the multi interface during the PROTOCONNECT phase, and it
+     should then return a proper fd set */
+  int (*proto_getsock)(struct connectdata *conn,
+                       curl_socket_t *socks,
+                       int numsocks);
+
+  /* Called from the multi interface during the DOING phase, and it should
+     then return a proper fd set */
+  int (*doing_getsock)(struct connectdata *conn,
+                       curl_socket_t *socks,
+                       int numsocks);
+
+  /* Called from the multi interface during the DO_MORE phase, and it should
+     then return a proper fd set */
+  int (*domore_getsock)(struct connectdata *conn,
+                        curl_socket_t *socks,
+                        int numsocks);
+
+  /* Called from the multi interface during the DO_DONE, PERFORM and
+     WAITPERFORM phases, and it should then return a proper fd set. Not setting
+     this will make libcurl use the generic default one. */
+  int (*perform_getsock)(const struct connectdata *conn,
+                         curl_socket_t *socks,
+                         int numsocks);
+
+  /* This function *MAY* be set to a protocol-dependent function that is run
+   * by the curl_disconnect(), as a step in the disconnection.  If the handler
+   * is called because the connection has been considered dead, dead_connection
+   * is set to TRUE.
+   */
+  CURLcode (*disconnect)(struct connectdata *, bool dead_connection);
+
+  /* If used, this function gets called from transfer.c:readwrite_data() to
+     allow the protocol to do extra reads/writes */
+  CURLcode (*readwrite)(struct Curl_easy *data, struct connectdata *conn,
+                        ssize_t *nread, bool *readmore);
+
+  /* This function can perform various checks on the connection. See
+     CONNCHECK_* for more information about the checks that can be performed,
+     and CONNRESULT_* for the results that can be returned. */
+  unsigned int (*connection_check)(struct connectdata *conn,
+                                   unsigned int checks_to_perform);
+
+  long defport;           /* Default port. */
+  unsigned int protocol;  /* See CURLPROTO_* - this needs to be the single
+                             specific protocol bit */
+  unsigned int flags;     /* Extra particular characteristics, see PROTOPT_* */
+};
+
+#define PROTOPT_NONE 0             /* nothing extra */
+#define PROTOPT_SSL (1<<0)         /* uses SSL */
+#define PROTOPT_DUAL (1<<1)        /* this protocol uses two connections */
+#define PROTOPT_CLOSEACTION (1<<2) /* need action before socket close */
+/* some protocols will have to call the underlying functions without regard to
+   what exact state the socket signals. IE even if the socket says "readable",
+   the send function might need to be called while uploading, or vice versa.
+*/
+#define PROTOPT_DIRLOCK (1<<3)
+#define PROTOPT_NONETWORK (1<<4)   /* protocol doesn't use the network! */
+#define PROTOPT_NEEDSPWD (1<<5)    /* needs a password, and if none is set it
+                                      gets a default */
+#define PROTOPT_NOURLQUERY (1<<6)   /* protocol can't handle
+                                        url query strings (?foo=bar) ! */
+#define PROTOPT_CREDSPERREQUEST (1<<7) /* requires login credentials per
+                                          request instead of per connection */
+#define PROTOPT_ALPN_NPN (1<<8) /* set ALPN and/or NPN for this */
+#define PROTOPT_STREAM (1<<9) /* a protocol with individual logical streams */
+#define PROTOPT_URLOPTIONS (1<<10) /* allow options part in the userinfo field
+                                      of the URL */
+#define PROTOPT_PROXY_AS_HTTP (1<<11) /* allow this non-HTTP scheme over a
+                                         HTTP proxy as HTTP proxies may know
+                                         this protocol and act as a gateway */
+#define PROTOPT_WILDCARD (1<<12) /* protocol supports wildcard matching */
+
+#define CONNCHECK_NONE 0                 /* No checks */
+#define CONNCHECK_ISDEAD (1<<0)          /* Check if the connection is dead. */
+#define CONNCHECK_KEEPALIVE (1<<1)       /* Perform any keepalive function. */
+
+#define CONNRESULT_NONE 0                /* No extra information. */
+#define CONNRESULT_DEAD (1<<0)           /* The connection is dead. */
+
+#ifdef USE_RECV_BEFORE_SEND_WORKAROUND
+struct postponed_data {
+  char *buffer;          /* Temporal store for received data during
+                            sending, must be freed */
+  size_t allocated_size; /* Size of temporal store */
+  size_t recv_size;      /* Size of received data during sending */
+  size_t recv_processed; /* Size of processed part of postponed data */
+#ifdef DEBUGBUILD
+  curl_socket_t bindsock;/* Structure must be bound to specific socket,
+                            used only for DEBUGASSERT */
+#endif /* DEBUGBUILD */
+};
+#endif /* USE_RECV_BEFORE_SEND_WORKAROUND */
+
+struct proxy_info {
+  struct hostname host;
+  long port;
+  curl_proxytype proxytype; /* what kind of proxy that is in use */
+  char *user;    /* proxy user name string, allocated */
+  char *passwd;  /* proxy password string, allocated */
+};
+
+#define CONNECT_BUFFER_SIZE 16384
+
+/* struct for HTTP CONNECT state data */
+struct http_connect_state {
+  char connect_buffer[CONNECT_BUFFER_SIZE];
+  int perline; /* count bytes per line */
+  int keepon;
+  char *line_start;
+  char *ptr; /* where to store more data */
+  curl_off_t cl; /* size of content to read and ignore */
+  bool chunked_encoding;
+  enum {
+    TUNNEL_INIT,    /* init/default/no tunnel state */
+    TUNNEL_CONNECT, /* CONNECT has been sent off */
+    TUNNEL_COMPLETE /* CONNECT response received completely */
+  } tunnel_state;
+  bool close_connection;
+};
+
+/*
+ * The connectdata struct contains all fields and variables that should be
+ * unique for an entire connection.
+ */
+struct connectdata {
+  /* 'data' is the CURRENT Curl_easy using this connection -- take great
+     caution that this might very well vary between different times this
+     connection is used! */
+  struct Curl_easy *data;
+
+  struct curl_llist_element bundle_node; /* conncache */
+
+  /* chunk is for HTTP chunked encoding, but is in the general connectdata
+     struct only because we can do just about any protocol through a HTTP proxy
+     and a HTTP proxy may in fact respond using chunked encoding */
+  struct Curl_chunker chunk;
+
+  curl_closesocket_callback fclosesocket; /* function closing the socket(s) */
+  void *closesocket_client;
+
+  /* This is used by the connection cache logic. If this returns TRUE, this
+     handle is being used by one or more easy handles and can only used by any
+     other easy handle without careful consideration (== only for
+     pipelining/multiplexing) and it cannot be used by another multi
+     handle! */
+#define CONN_INUSE(c) ((c)->send_pipe.size + (c)->recv_pipe.size)
+
+  /**** Fields set when inited and not modified again */
+  long connection_id; /* Contains a unique number to make it easier to
+                         track the connections in the log output */
+
+  /* 'dns_entry' is the particular host we use. This points to an entry in the
+     DNS cache and it will not get pruned while locked. It gets unlocked in
+     Curl_done(). This entry will be NULL if the connection is re-used as then
+     there is no name resolve done. */
+  struct Curl_dns_entry *dns_entry;
+
+  /* 'ip_addr' is the particular IP we connected to. It points to a struct
+     within the DNS cache, so this pointer is only valid as long as the DNS
+     cache entry remains locked. It gets unlocked in Curl_done() */
+  Curl_addrinfo *ip_addr;
+  Curl_addrinfo *tempaddr[2]; /* for happy eyeballs */
+
+  /* 'ip_addr_str' is the ip_addr data as a human readable string.
+     It remains available as long as the connection does, which is longer than
+     the ip_addr itself. */
+  char ip_addr_str[MAX_IPADR_LEN];
+
+  unsigned int scope_id;  /* Scope id for IPv6 */
+
+  int socktype;  /* SOCK_STREAM or SOCK_DGRAM */
+
+  struct hostname host;
+  char *hostname_resolve; /* host name to resolve to address, allocated */
+  char *secondaryhostname; /* secondary socket host name (ftp) */
+  struct hostname conn_to_host; /* the host to connect to. valid only if
+                                   bits.conn_to_host is set */
+
+  struct proxy_info socks_proxy;
+  struct proxy_info http_proxy;
+
+  long port;       /* which port to use locally */
+  int remote_port; /* the remote port, not the proxy port! */
+  int conn_to_port; /* the remote port to connect to. valid only if
+                       bits.conn_to_port is set */
+  unsigned short secondary_port; /* secondary socket remote port to connect to
+                                    (ftp) */
+
+  /* 'primary_ip' and 'primary_port' get filled with peer's numerical
+     ip address and port number whenever an outgoing connection is
+     *attempted* from the primary socket to a remote address. When more
+     than one address is tried for a connection these will hold data
+     for the last attempt. When the connection is actually established
+     these are updated with data which comes directly from the socket. */
+
+  char primary_ip[MAX_IPADR_LEN];
+  long primary_port;
+
+  /* 'local_ip' and 'local_port' get filled with local's numerical
+     ip address and port number whenever an outgoing connection is
+     **established** from the primary socket to a remote address. */
+
+  char local_ip[MAX_IPADR_LEN];
+  long local_port;
+
+  char *user;    /* user name string, allocated */
+  char *passwd;  /* password string, allocated */
+  char *options; /* options string, allocated */
+
+  char *oauth_bearer; /* bearer token for OAuth 2.0, allocated */
+
+  int httpversion;        /* the HTTP version*10 reported by the server */
+  int rtspversion;        /* the RTSP version*10 reported by the server */
+
+  struct curltime now;     /* "current" time */
+  struct curltime created; /* creation time */
+  curl_socket_t sock[2]; /* two sockets, the second is used for the data
+                            transfer when doing FTP */
+  curl_socket_t tempsock[2]; /* temporary sockets for happy eyeballs */
+  bool sock_accepted[2]; /* TRUE if the socket on this index was created with
+                            accept() */
+  Curl_recv *recv[2];
+  Curl_send *send[2];
+
+#ifdef USE_RECV_BEFORE_SEND_WORKAROUND
+  struct postponed_data postponed[2]; /* two buffers for two sockets */
+#endif /* USE_RECV_BEFORE_SEND_WORKAROUND */
+  struct ssl_connect_data ssl[2]; /* this is for ssl-stuff */
+  struct ssl_connect_data proxy_ssl[2]; /* this is for proxy ssl-stuff */
+#ifdef USE_SSL
+  void *ssl_extra; /* separately allocated backend-specific data */
+#endif
+  struct ssl_primary_config ssl_config;
+  struct ssl_primary_config proxy_ssl_config;
+  bool tls_upgraded;
+
+  struct ConnectBits bits;    /* various state-flags for this connection */
+
+ /* connecttime: when connect() is called on the current IP address. Used to
+    be able to track when to move on to try next IP - but only when the multi
+    interface is used. */
+  struct curltime connecttime;
+  /* The two fields below get set in Curl_connecthost */
+  int num_addr; /* number of addresses to try to connect to */
+  time_t timeoutms_per_addr; /* how long time in milliseconds to spend on
+                                trying to connect to each IP address */
+
+  const struct Curl_handler *handler; /* Connection's protocol handler */
+  const struct Curl_handler *given;   /* The protocol first given */
+
+  long ip_version; /* copied from the Curl_easy at creation time */
+
+  /* Protocols can use a custom keepalive mechanism to keep connections alive.
+     This allows those protocols to track the last time the keepalive mechanism
+     was used on this connection. */
+  struct curltime keepalive;
+
+  long upkeep_interval_ms;      /* Time between calls for connection upkeep. */
+
+  /**** curl_get() phase fields */
+
+  curl_socket_t sockfd;   /* socket to read from or CURL_SOCKET_BAD */
+  curl_socket_t writesockfd; /* socket to write to, it may very
+                                well be the same we read from.
+                                CURL_SOCKET_BAD disables */
+
+  /** Dynamically allocated strings, MUST be freed before this **/
+  /** struct is killed.                                      **/
+  struct dynamically_allocated_data {
+    char *proxyuserpwd;
+    char *uagent;
+    char *accept_encoding;
+    char *userpwd;
+    char *rangeline;
+    char *ref;
+    char *host;
+    char *cookiehost;
+    char *rtsp_transport;
+    char *te; /* TE: request header */
+  } allocptr;
+
+#ifdef HAVE_GSSAPI
+  int sec_complete; /* if Kerberos is enabled for this connection */
+  enum protection_level command_prot;
+  enum protection_level data_prot;
+  enum protection_level request_data_prot;
+  size_t buffer_size;
+  struct krb5buffer in_buffer;
+  void *app_data;
+  const struct Curl_sec_client_mech *mech;
+  struct sockaddr_in local_addr;
+#endif
+
+#if defined(USE_KERBEROS5)    /* Consider moving some of the above GSS-API */
+  struct kerberos5data krb5;  /* variables into the structure definition, */
+#endif                        /* however, some of them are ftp specific. */
+
+  /* the two following *_inuse fields are only flags, not counters in any way.
+     If TRUE it means the channel is in use, and if FALSE it means the channel
+     is up for grabs by one. */
+
+  bool readchannel_inuse;  /* whether the read channel is in use by an easy
+                              handle */
+  bool writechannel_inuse; /* whether the write channel is in use by an easy
+                              handle */
+  struct curl_llist send_pipe; /* List of handles waiting to send on this
+                                  pipeline */
+  struct curl_llist recv_pipe; /* List of handles waiting to read their
+                                  responses on this pipeline */
+  char *master_buffer; /* The master buffer allocated on-demand;
+                          used for pipelining. */
+  size_t read_pos; /* Current read position in the master buffer */
+  size_t buf_len; /* Length of the buffer?? */
+
+
+  curl_seek_callback seek_func; /* function that seeks the input */
+  void *seek_client;            /* pointer to pass to the seek() above */
+
+  /*************** Request - specific items ************/
+#if defined(USE_WINDOWS_SSPI) && defined(SECPKG_ATTR_ENDPOINT_BINDINGS)
+  CtxtHandle *sslContext;
+#endif
+
+#if defined(USE_NTLM)
+  struct ntlmdata ntlm;     /* NTLM differs from other authentication schemes
+                               because it authenticates connections, not
+                               single requests! */
+  struct ntlmdata proxyntlm; /* NTLM data for proxy */
+
+#if defined(NTLM_WB_ENABLED)
+  /* used for communication with Samba's winbind daemon helper ntlm_auth */
+  curl_socket_t ntlm_auth_hlpr_socket;
+  pid_t ntlm_auth_hlpr_pid;
+  char *challenge_header;
+  char *response_header;
+#endif
+#endif
+
+  char syserr_buf [256]; /* buffer for Curl_strerror() */
+  /* data used for the asynch name resolve callback */
+  struct Curl_async async;
+
+  /* These three are used for chunked-encoding trailer support */
+  char *trailer; /* allocated buffer to store trailer in */
+  int trlMax;    /* allocated buffer size */
+  int trlPos;    /* index of where to store data */
+
+  union {
+    struct ftp_conn ftpc;
+    struct http_conn httpc;
+    struct ssh_conn sshc;
+    struct tftp_state_data *tftpc;
+    struct imap_conn imapc;
+    struct pop3_conn pop3c;
+    struct smtp_conn smtpc;
+    struct rtsp_conn rtspc;
+    struct smb_conn smbc;
+    void *generic; /* RTMP and LDAP use this */
+  } proto;
+
+  int cselect_bits; /* bitmask of socket events */
+  int waitfor;      /* current READ/WRITE bits to wait for */
+
+#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
+  int socks5_gssapi_enctype;
+#endif
+
+  /* When this connection is created, store the conditions for the local end
+     bind. This is stored before the actual bind and before any connection is
+     made and will serve the purpose of being used for comparison reasons so
+     that subsequent bound-requested connections aren't accidentally re-using
+     wrong connections. */
+  char *localdev;
+  unsigned short localport;
+  int localportrange;
+  struct http_connect_state *connect_state; /* for HTTP CONNECT */
+  struct connectbundle *bundle; /* The bundle we are member of */
+  int negnpn; /* APLN or NPN TLS negotiated protocol, CURL_HTTP_VERSION* */
+
+#ifdef USE_UNIX_SOCKETS
+  char *unix_domain_socket;
+  bool abstract_unix_socket;
+#endif
+};
+
+/* The end of connectdata. */
+
+/*
+ * Struct to keep statistical and informational data.
+ * All variables in this struct must be initialized/reset in Curl_initinfo().
+ */
+struct PureInfo {
+  int httpcode;  /* Recent HTTP, FTP, RTSP or SMTP response code */
+  int httpproxycode; /* response code from proxy when received separate */
+  int httpversion; /* the http version number X.Y = X*10+Y */
+  time_t filetime; /* If requested, this is might get set. Set to -1 if the
+                      time was unretrievable. */
+  bool timecond;  /* set to TRUE if the time condition didn't match, which
+                     thus made the document NOT get fetched */
+  long header_size;  /* size of read header(s) in bytes */
+  long request_size; /* the amount of bytes sent in the request(s) */
+  unsigned long proxyauthavail; /* what proxy auth types were announced */
+  unsigned long httpauthavail;  /* what host auth types were announced */
+  long numconnects; /* how many new connection did libcurl created */
+  char *contenttype; /* the content type of the object */
+  char *wouldredirect; /* URL this would've been redirected to if asked to */
+
+  /* PureInfo members 'conn_primary_ip', 'conn_primary_port', 'conn_local_ip'
+     and, 'conn_local_port' are copied over from the connectdata struct in
+     order to allow curl_easy_getinfo() to return this information even when
+     the session handle is no longer associated with a connection, and also
+     allow curl_easy_reset() to clear this information from the session handle
+     without disturbing information which is still alive, and that might be
+     reused, in the connection cache. */
+
+  char conn_primary_ip[MAX_IPADR_LEN];
+  long conn_primary_port;
+
+  char conn_local_ip[MAX_IPADR_LEN];
+  long conn_local_port;
+
+  const char *conn_scheme;
+  unsigned int conn_protocol;
+
+  struct curl_certinfo certs; /* info about the certs, only populated in
+                                 OpenSSL builds. Asked for with
+                                 CURLOPT_CERTINFO / CURLINFO_CERTINFO */
+};
+
+
+struct Progress {
+  time_t lastshow; /* time() of the last displayed progress meter or NULL to
+                      force redraw at next call */
+  curl_off_t size_dl; /* total expected size */
+  curl_off_t size_ul; /* total expected size */
+  curl_off_t downloaded; /* transferred so far */
+  curl_off_t uploaded; /* transferred so far */
+
+  curl_off_t current_speed; /* uses the currently fastest transfer */
+
+  bool callback;  /* set when progress callback is used */
+  int width; /* screen width at download start */
+  int flags; /* see progress.h */
+
+  time_t timespent;
+
+  curl_off_t dlspeed;
+  curl_off_t ulspeed;
+
+  time_t t_nslookup;
+  time_t t_connect;
+  time_t t_appconnect;
+  time_t t_pretransfer;
+  time_t t_starttransfer;
+  time_t t_redirect;
+
+  struct curltime start;
+  struct curltime t_startsingle;
+  struct curltime t_startop;
+  struct curltime t_acceptdata;
+
+  bool is_t_startransfer_set;
+
+  /* upload speed limit */
+  struct curltime ul_limit_start;
+  curl_off_t ul_limit_size;
+  /* download speed limit */
+  struct curltime dl_limit_start;
+  curl_off_t dl_limit_size;
+
+#define CURR_TIME (5 + 1) /* 6 entries for 5 seconds */
+
+  curl_off_t speeder[ CURR_TIME ];
+  struct curltime speeder_time[ CURR_TIME ];
+  int speeder_c;
+};
+
+typedef enum {
+  HTTPREQ_NONE, /* first in list */
+  HTTPREQ_GET,
+  HTTPREQ_POST,
+  HTTPREQ_POST_FORM, /* we make a difference internally */
+  HTTPREQ_POST_MIME, /* we make a difference internally */
+  HTTPREQ_PUT,
+  HTTPREQ_HEAD,
+  HTTPREQ_OPTIONS,
+  HTTPREQ_CUSTOM,
+  HTTPREQ_LAST /* last in list */
+} Curl_HttpReq;
+
+typedef enum {
+    RTSPREQ_NONE, /* first in list */
+    RTSPREQ_OPTIONS,
+    RTSPREQ_DESCRIBE,
+    RTSPREQ_ANNOUNCE,
+    RTSPREQ_SETUP,
+    RTSPREQ_PLAY,
+    RTSPREQ_PAUSE,
+    RTSPREQ_TEARDOWN,
+    RTSPREQ_GET_PARAMETER,
+    RTSPREQ_SET_PARAMETER,
+    RTSPREQ_RECORD,
+    RTSPREQ_RECEIVE,
+    RTSPREQ_LAST /* last in list */
+} Curl_RtspReq;
+
+/*
+ * Values that are generated, temporary or calculated internally for a
+ * "session handle" must be defined within the 'struct UrlState'.  This struct
+ * will be used within the Curl_easy struct. When the 'Curl_easy'
+ * struct is cloned, this data MUST NOT be copied.
+ *
+ * Remember that any "state" information goes globally for the curl handle.
+ * Session-data MUST be put in the connectdata struct and here.  */
+#define MAX_CURL_USER_LENGTH 256
+#define MAX_CURL_PASSWORD_LENGTH 256
+
+struct auth {
+  unsigned long want;  /* Bitmask set to the authentication methods wanted by
+                          app (with CURLOPT_HTTPAUTH or CURLOPT_PROXYAUTH). */
+  unsigned long picked;
+  unsigned long avail; /* Bitmask for what the server reports to support for
+                          this resource */
+  bool done;  /* TRUE when the auth phase is done and ready to do the *actual*
+                 request */
+  bool multipass; /* TRUE if this is not yet authenticated but within the
+                     auth multipass negotiation */
+  bool iestyle; /* TRUE if digest should be done IE-style or FALSE if it should
+                   be RFC compliant */
+};
+
+struct Curl_http2_dep {
+  struct Curl_http2_dep *next;
+  struct Curl_easy *data;
+};
+
+/*
+ * This struct is for holding data that was attempted to get sent to the user's
+ * callback but is held due to pausing. One instance per type (BOTH, HEADER,
+ * BODY).
+ */
+struct tempbuf {
+  char *buf;  /* allocated buffer to keep data in when a write callback
+                 returns to make the connection paused */
+  size_t len; /* size of the 'tempwrite' allocated buffer */
+  int type;   /* type of the 'tempwrite' buffer as a bitmask that is used with
+                 Curl_client_write() */
+};
+
+/* Timers */
+typedef enum {
+  EXPIRE_100_TIMEOUT,
+  EXPIRE_ASYNC_NAME,
+  EXPIRE_CONNECTTIMEOUT,
+  EXPIRE_DNS_PER_NAME,
+  EXPIRE_HAPPY_EYEBALLS,
+  EXPIRE_MULTI_PENDING,
+  EXPIRE_RUN_NOW,
+  EXPIRE_SPEEDCHECK,
+  EXPIRE_TIMEOUT,
+  EXPIRE_TOOFAST,
+  EXPIRE_LAST /* not an actual timer, used as a marker only */
+} expire_id;
+
+
+typedef enum {
+  TRAILERS_NONE,
+  TRAILERS_INITIALIZED,
+  TRAILERS_SENDING,
+  TRAILERS_DONE
+} trailers_state;
+
+
+/*
+ * One instance for each timeout an easy handle can set.
+ */
+struct time_node {
+  struct curl_llist_element list;
+  struct curltime time;
+  expire_id eid;
+};
+
+/* individual pieces of the URL */
+struct urlpieces {
+  char *scheme;
+  char *hostname;
+  char *port;
+  char *user;
+  char *password;
+  char *options;
+  char *path;
+  char *query;
+};
+
+struct UrlState {
+
+  /* Points to the connection cache */
+  struct conncache *conn_cache;
+
+  /* when curl_easy_perform() is called, the multi handle is "owned" by
+     the easy handle so curl_easy_cleanup() on such an easy handle will
+     also close the multi handle! */
+  bool multi_owned_by_easy;
+
+  /* buffers to store authentication data in, as parsed from input options */
+  struct curltime keeps_speed; /* for the progress meter really */
+
+  struct connectdata *lastconnect; /* The last connection, NULL if undefined */
+
+  char *headerbuff; /* allocated buffer to store headers in */
+  size_t headersize;   /* size of the allocation */
+
+  char *buffer; /* download buffer */
+  char *ulbuf; /* allocated upload buffer or NULL */
+  curl_off_t current_speed;  /* the ProgressShow() function sets this,
+                                bytes / second */
+  bool this_is_a_follow; /* this is a followed Location: request */
+  bool refused_stream; /* this was refused, try again */
+  char *first_host; /* host name of the first (not followed) request.
+                       if set, this should be the host name that we will
+                       sent authorization to, no else. Used to make Location:
+                       following not keep sending user+password... This is
+                       strdup() data.
+                    */
+  int first_remote_port; /* remote port of the first (not followed) request */
+  struct curl_ssl_session *session; /* array of 'max_ssl_sessions' size */
+  long sessionage;                  /* number of the most recent session */
+  unsigned int tempcount; /* number of entries in use in tempwrite, 0 - 3 */
+  struct tempbuf tempwrite[3]; /* BOTH, HEADER, BODY */
+  char *scratch; /* huge buffer[set.buffer_size*2] for upload CRLF replacing */
+  bool errorbuf; /* Set to TRUE if the error buffer is already filled in.
+                    This must be set to FALSE every time _easy_perform() is
+                    called. */
+  int os_errno;  /* filled in with errno whenever an error occurs */
+#ifdef HAVE_SIGNAL
+  /* storage for the previous bag^H^H^HSIGPIPE signal handler :-) */
+  void (*prev_signal)(int sig);
+#endif
+  bool allow_port; /* Is set.use_port allowed to take effect or not. This
+                      is always set TRUE when curl_easy_perform() is called. */
+  struct digestdata digest;      /* state data for host Digest auth */
+  struct digestdata proxydigest; /* state data for proxy Digest auth */
+
+#ifdef USE_SPNEGO
+  struct negotiatedata negotiate; /* state data for host Negotiate auth */
+  struct negotiatedata proxyneg; /* state data for proxy Negotiate auth */
+#endif
+
+  struct auth authhost;  /* auth details for host */
+  struct auth authproxy; /* auth details for proxy */
+
+  bool authproblem; /* TRUE if there's some problem authenticating */
+
+  void *resolver; /* resolver state, if it is used in the URL state -
+                     ares_channel f.e. */
+
+#if defined(USE_OPENSSL)
+  /* void instead of ENGINE to avoid bleeding OpenSSL into this header */
+  void *engine;
+#endif /* USE_OPENSSL */
+  struct curltime expiretime; /* set this with Curl_expire() only */
+  struct Curl_tree timenode; /* for the splay stuff */
+  struct curl_llist timeoutlist; /* list of pending timeouts */
+  struct time_node expires[EXPIRE_LAST]; /* nodes for each expire type */
+
+  /* a place to store the most recently set FTP entrypath */
+  char *most_recent_ftp_entrypath;
+
+  /* set after initial USER failure, to prevent an authentication loop */
+  bool ftp_trying_alternative;
+  bool wildcardmatch; /* enable wildcard matching */
+  int httpversion;       /* the lowest HTTP version*10 reported by any server
+                            involved in this request */
+  bool expect100header;  /* TRUE if we added Expect: 100-continue */
+
+#if !defined(WIN32) && !defined(MSDOS) && !defined(__EMX__) && \
+    !defined(__SYMBIAN32__)
+/* do FTP line-end conversions on most platforms */
+#define CURL_DO_LINEEND_CONV
+  /* for FTP downloads: track CRLF sequences that span blocks */
+  bool prev_block_had_trailing_cr;
+  /* for FTP downloads: how many CRLFs did we converted to LFs? */
+  curl_off_t crlf_conversions;
+#endif
+  bool slash_removed; /* set TRUE if the 'path' points to a path where the
+                         initial URL slash separator has been taken off */
+  bool use_range;
+  bool rangestringalloc; /* the range string is malloc()'ed */
+
+  char *range; /* range, if used. See README for detailed specification on
+                  this syntax. */
+  curl_off_t resume_from; /* continue [ftp] transfer from here */
+
+  /* This RTSP state information survives requests and connections */
+  long rtsp_next_client_CSeq; /* the session's next client CSeq */
+  long rtsp_next_server_CSeq; /* the session's next server CSeq */
+  long rtsp_CSeq_recv; /* most recent CSeq received */
+
+  curl_off_t infilesize; /* size of file to upload, -1 means unknown.
+                            Copied from set.filesize at start of operation */
+
+  size_t drain; /* Increased when this stream has data to read, even if its
+                   socket is not necessarily is readable. Decreased when
+                   checked. */
+  bool done; /* set to FALSE when Curl_init_do() is called and set to TRUE
+                when multi_done() is called, to prevent multi_done() to get
+                invoked twice when the multi interface is used. */
+
+  curl_read_callback fread_func; /* read callback/function */
+  void *in;                      /* CURLOPT_READDATA */
+
+  struct Curl_easy *stream_depends_on;
+  bool stream_depends_e; /* set or don't set the Exclusive bit */
+  int stream_weight;
+#ifdef CURLDEBUG
+  bool conncache_lock;
+#endif
+  CURLU *uh; /* URL handle for the current parsed URL */
+  struct urlpieces up;
+#ifndef CURL_DISABLE_HTTP
+  size_t trailers_bytes_sent;
+  Curl_send_buffer *trailers_buf; /* a buffer containing the compiled trailing
+                                  headers */
+#endif
+  trailers_state trailers_state; /* whether we are sending trailers
+                                       and what stage are we at */
+};
+
+
+/*
+ * This 'DynamicStatic' struct defines dynamic states that actually change
+ * values in the 'UserDefined' area, which MUST be taken into consideration
+ * if the UserDefined struct is cloned or similar. You can probably just
+ * copy these, but each one indicate a special action on other data.
+ */
+
+struct DynamicStatic {
+  char *url;        /* work URL, copied from UserDefined */
+  bool url_alloc;   /* URL string is malloc()'ed */
+  char *referer;    /* referer string */
+  bool referer_alloc; /* referer string is malloc()ed */
+  struct curl_slist *cookielist; /* list of cookie files set by
+                                    curl_easy_setopt(COOKIEFILE) calls */
+  struct curl_slist *resolve; /* set to point to the set.resolve list when
+                                 this should be dealt with in pretransfer */
+  bool wildcard_resolve; /* Set to true if any resolve change is a wildcard */
+};
+
+/*
+ * This 'UserDefined' struct must only contain data that is set once to go
+ * for many (perhaps) independent connections. Values that are generated or
+ * calculated internally for the "session handle" MUST be defined within the
+ * 'struct UrlState' instead. The only exceptions MUST note the changes in
+ * the 'DynamicStatic' struct.
+ * Character pointer fields point to dynamic storage, unless otherwise stated.
+ */
+
+struct Curl_multi;    /* declared and used only in multi.c */
+
+enum dupstring {
+  STRING_CERT_ORIG,       /* client certificate file name */
+  STRING_CERT_PROXY,      /* client certificate file name */
+  STRING_CERT_TYPE_ORIG,  /* format for certificate (default: PEM)*/
+  STRING_CERT_TYPE_PROXY, /* format for certificate (default: PEM)*/
+  STRING_COOKIE,          /* HTTP cookie string to send */
+  STRING_COOKIEJAR,       /* dump all cookies to this file */
+  STRING_CUSTOMREQUEST,   /* HTTP/FTP/RTSP request/method to use */
+  STRING_DEFAULT_PROTOCOL, /* Protocol to use when the URL doesn't specify */
+  STRING_DEVICE,          /* local network interface/address to use */
+  STRING_ENCODING,        /* Accept-Encoding string */
+  STRING_FTP_ACCOUNT,     /* ftp account data */
+  STRING_FTP_ALTERNATIVE_TO_USER, /* command to send if USER/PASS fails */
+  STRING_FTPPORT,         /* port to send with the FTP PORT command */
+  STRING_KEY_ORIG,        /* private key file name */
+  STRING_KEY_PROXY,       /* private key file name */
+  STRING_KEY_PASSWD_ORIG, /* plain text private key password */
+  STRING_KEY_PASSWD_PROXY, /* plain text private key password */
+  STRING_KEY_TYPE_ORIG,   /* format for private key (default: PEM) */
+  STRING_KEY_TYPE_PROXY,  /* format for private key (default: PEM) */
+  STRING_KRB_LEVEL,       /* krb security level */
+  STRING_NETRC_FILE,      /* if not NULL, use this instead of trying to find
+                             $HOME/.netrc */
+  STRING_PROXY,           /* proxy to use */
+  STRING_PRE_PROXY,       /* pre socks proxy to use */
+  STRING_SET_RANGE,       /* range, if used */
+  STRING_SET_REFERER,     /* custom string for the HTTP referer field */
+  STRING_SET_URL,         /* what original URL to work on */
+  STRING_SSL_CAPATH_ORIG, /* CA directory name (doesn't work on windows) */
+  STRING_SSL_CAPATH_PROXY, /* CA directory name (doesn't work on windows) */
+  STRING_SSL_CAFILE_ORIG, /* certificate file to verify peer against */
+  STRING_SSL_CAFILE_PROXY, /* certificate file to verify peer against */
+  STRING_SSL_PINNEDPUBLICKEY_ORIG, /* public key file to verify peer against */
+  STRING_SSL_PINNEDPUBLICKEY_PROXY, /* public key file to verify proxy */
+  STRING_SSL_CIPHER_LIST_ORIG, /* list of ciphers to use */
+  STRING_SSL_CIPHER_LIST_PROXY, /* list of ciphers to use */
+  STRING_SSL_CIPHER13_LIST_ORIG, /* list of TLS 1.3 ciphers to use */
+  STRING_SSL_CIPHER13_LIST_PROXY, /* list of TLS 1.3 ciphers to use */
+  STRING_SSL_EGDSOCKET,   /* path to file containing the EGD daemon socket */
+  STRING_SSL_RANDOM_FILE, /* path to file containing "random" data */
+  STRING_USERAGENT,       /* User-Agent string */
+  STRING_SSL_CRLFILE_ORIG, /* crl file to check certificate */
+  STRING_SSL_CRLFILE_PROXY, /* crl file to check certificate */
+  STRING_SSL_ISSUERCERT_ORIG, /* issuer cert file to check certificate */
+  STRING_SSL_ISSUERCERT_PROXY, /* issuer cert file to check certificate */
+  STRING_SSL_ENGINE,      /* name of ssl engine */
+  STRING_USERNAME,        /* <username>, if used */
+  STRING_PASSWORD,        /* <password>, if used */
+  STRING_OPTIONS,         /* <options>, if used */
+  STRING_PROXYUSERNAME,   /* Proxy <username>, if used */
+  STRING_PROXYPASSWORD,   /* Proxy <password>, if used */
+  STRING_NOPROXY,         /* List of hosts which should not use the proxy, if
+                             used */
+  STRING_RTSP_SESSION_ID, /* Session ID to use */
+  STRING_RTSP_STREAM_URI, /* Stream URI for this request */
+  STRING_RTSP_TRANSPORT,  /* Transport for this session */
+#if defined(USE_LIBSSH2) || defined(USE_LIBSSH)
+  STRING_SSH_PRIVATE_KEY, /* path to the private key file for auth */
+  STRING_SSH_PUBLIC_KEY,  /* path to the public key file for auth */
+  STRING_SSH_HOST_PUBLIC_KEY_MD5, /* md5 of host public key in ascii hex */
+  STRING_SSH_KNOWNHOSTS,  /* file name of knownhosts file */
+#endif
+  STRING_PROXY_SERVICE_NAME, /* Proxy service name */
+  STRING_SERVICE_NAME,    /* Service name */
+  STRING_MAIL_FROM,
+  STRING_MAIL_AUTH,
+
+#ifdef USE_TLS_SRP
+  STRING_TLSAUTH_USERNAME_ORIG,  /* TLS auth <username> */
+  STRING_TLSAUTH_USERNAME_PROXY, /* TLS auth <username> */
+  STRING_TLSAUTH_PASSWORD_ORIG,  /* TLS auth <password> */
+  STRING_TLSAUTH_PASSWORD_PROXY, /* TLS auth <password> */
+#endif
+  STRING_BEARER,                /* <bearer>, if used */
+#ifdef USE_UNIX_SOCKETS
+  STRING_UNIX_SOCKET_PATH,      /* path to Unix socket, if used */
+#endif
+  STRING_TARGET,                /* CURLOPT_REQUEST_TARGET */
+  STRING_DOH,                   /* CURLOPT_DOH_URL */
+  /* -- end of zero-terminated strings -- */
+
+  STRING_LASTZEROTERMINATED,
+
+  /* -- below this are pointers to binary data that cannot be strdup'ed. --- */
+
+  STRING_COPYPOSTFIELDS,  /* if POST, set the fields' values here */
+
+  STRING_LAST /* not used, just an end-of-list marker */
+};
+
+/* callback that gets called when this easy handle is completed within a multi
+   handle.  Only used for internally created transfers, like for example
+   DoH. */
+typedef int (*multidone_func)(struct Curl_easy *easy, CURLcode result);
+
+struct UserDefined {
+  FILE *err;         /* the stderr user data goes here */
+  void *debugdata;   /* the data that will be passed to fdebug */
+  char *errorbuffer; /* (Static) store failure messages in here */
+  long proxyport; /* If non-zero, use this port number by default. If the
+                     proxy string features a ":[port]" that one will override
+                     this. */
+  void *out;         /* CURLOPT_WRITEDATA */
+  void *in_set;      /* CURLOPT_READDATA */
+  void *writeheader; /* write the header to this if non-NULL */
+  void *rtp_out;     /* write RTP to this if non-NULL */
+  long use_port;     /* which port to use (when not using default) */
+  unsigned long httpauth;  /* kind of HTTP authentication to use (bitmask) */
+  unsigned long proxyauth; /* kind of proxy authentication to use (bitmask) */
+  unsigned long socks5auth;/* kind of SOCKS5 authentication to use (bitmask) */
+  long followlocation; /* as in HTTP Location: */
+  long maxredirs;    /* maximum no. of http(s) redirects to follow, set to -1
+                        for infinity */
+
+  int keep_post;     /* keep POSTs as POSTs after a 30x request; each
+                        bit represents a request, from 301 to 303 */
+  bool free_referer; /* set TRUE if 'referer' points to a string we
+                        allocated */
+  void *postfields;  /* if POST, set the fields' values here */
+  curl_seek_callback seek_func;      /* function that seeks the input */
+  curl_off_t postfieldsize; /* if POST, this might have a size to use instead
+                               of strlen(), and then the data *may* be binary
+                               (contain zero bytes) */
+  unsigned short localport; /* local port number to bind to */
+  int localportrange; /* number of additional port numbers to test in case the
+                         'localport' one can't be bind()ed */
+  curl_write_callback fwrite_func;   /* function that stores the output */
+  curl_write_callback fwrite_header; /* function that stores headers */
+  curl_write_callback fwrite_rtp;    /* function that stores interleaved RTP */
+  curl_read_callback fread_func_set; /* function that reads the input */
+  int is_fread_set; /* boolean, has read callback been set to non-NULL? */
+  int is_fwrite_set; /* boolean, has write callback been set to non-NULL? */
+  curl_progress_callback fprogress; /* OLD and deprecated progress callback  */
+  curl_xferinfo_callback fxferinfo; /* progress callback */
+  curl_debug_callback fdebug;      /* function that write informational data */
+  curl_ioctl_callback ioctl_func;  /* function for I/O control */
+  curl_sockopt_callback fsockopt;  /* function for setting socket options */
+  void *sockopt_client; /* pointer to pass to the socket options callback */
+  curl_opensocket_callback fopensocket; /* function for checking/translating
+                                           the address and opening the
+                                           socket */
+  void *opensocket_client;
+  curl_closesocket_callback fclosesocket; /* function for closing the
+                                             socket */
+  void *closesocket_client;
+
+  void *seek_client;    /* pointer to pass to the seek callback */
+  /* the 3 curl_conv_callback functions below are used on non-ASCII hosts */
+  /* function to convert from the network encoding: */
+  curl_conv_callback convfromnetwork;
+  /* function to convert to the network encoding: */
+  curl_conv_callback convtonetwork;
+  /* function to convert from UTF-8 encoding: */
+  curl_conv_callback convfromutf8;
+
+  void *progress_client; /* pointer to pass to the progress callback */
+  void *ioctl_client;   /* pointer to pass to the ioctl callback */
+  long timeout;         /* in milliseconds, 0 means no timeout */
+  long connecttimeout;  /* in milliseconds, 0 means no timeout */
+  long accepttimeout;   /* in milliseconds, 0 means no timeout */
+  long happy_eyeballs_timeout; /* in milliseconds, 0 is a valid value */
+  long server_response_timeout; /* in milliseconds, 0 means no timeout */
+  long tftp_blksize;    /* in bytes, 0 means use default */
+  bool tftp_no_options; /* do not send TFTP options requests */
+  curl_off_t filesize;  /* size of file to upload, -1 means unknown */
+  long low_speed_limit; /* bytes/second */
+  long low_speed_time;  /* number of seconds */
+  curl_off_t max_send_speed; /* high speed limit in bytes/second for upload */
+  curl_off_t max_recv_speed; /* high speed limit in bytes/second for
+                                download */
+  curl_off_t set_resume_from;  /* continue [ftp] transfer from here */
+  struct curl_slist *headers; /* linked list of extra headers */
+  struct curl_slist *proxyheaders; /* linked list of extra CONNECT headers */
+  struct curl_httppost *httppost;  /* linked list of old POST data */
+  curl_mimepart mimepost;  /* MIME/POST data. */
+  bool sep_headers;     /* handle host and proxy headers separately */
+  bool cookiesession;   /* new cookie session? */
+  bool crlf;            /* convert crlf on ftp upload(?) */
+  struct curl_slist *quote;     /* after connection is established */
+  struct curl_slist *postquote; /* after the transfer */
+  struct curl_slist *prequote; /* before the transfer, after type */
+  struct curl_slist *source_quote;  /* 3rd party quote */
+  struct curl_slist *source_prequote;  /* in 3rd party transfer mode - before
+                                          the transfer on source host */
+  struct curl_slist *source_postquote; /* in 3rd party transfer mode - after
+                                          the transfer on source host */
+  struct curl_slist *telnet_options; /* linked list of telnet options */
+  struct curl_slist *resolve;     /* list of names to add/remove from
+                                     DNS cache */
+  struct curl_slist *connect_to; /* list of host:port mappings to override
+                                    the hostname and port to connect to */
+  curl_TimeCond timecondition; /* kind of time/date comparison */
+  time_t timevalue;       /* what time to compare with */
+  Curl_HttpReq httpreq;   /* what kind of HTTP request (if any) is this */
+  long httpversion; /* when non-zero, a specific HTTP version requested to
+                       be used in the library's request(s) */
+  bool strip_path_slash; /* strip off initial slash from path */
+  struct ssl_config_data ssl;  /* user defined SSL stuff */
+  struct ssl_config_data proxy_ssl;  /* user defined SSL stuff for proxy */
+  struct ssl_general_config general_ssl; /* general user defined SSL stuff */
+  curl_proxytype proxytype; /* what kind of proxy that is in use */
+  long dns_cache_timeout; /* DNS cache timeout */
+  long buffer_size;      /* size of receive buffer to use */
+  size_t upload_buffer_size; /* size of upload buffer to use,
+                                keep it >= CURL_MAX_WRITE_SIZE */
+  void *private_data; /* application-private data */
+
+  struct curl_slist *http200aliases; /* linked list of aliases for http200 */
+
+  long ipver; /* the CURL_IPRESOLVE_* defines in the public header file
+                 0 - whatever, 1 - v2, 2 - v6 */
+
+  curl_off_t max_filesize; /* Maximum file size to download */
+
+  curl_ftpfile ftp_filemethod; /* how to get to a file when FTP is used  */
+
+  int ftp_create_missing_dirs; /* 1 - create directories that don't exist
+                                  2 - the same but also allow MKD to fail once
+                               */
+
+  curl_sshkeycallback ssh_keyfunc; /* key matching callback */
+  void *ssh_keyfunc_userp;         /* custom pointer to callback */
+  bool ssh_compression;            /* enable SSH compression */
+
+/* Here follows boolean settings that define how to behave during
+   this session. They are STATIC, set by libcurl users or at least initially
+   and they don't change during operations. */
+  bool get_filetime;     /* get the time and get of the remote file */
+  bool tunnel_thru_httpproxy; /* use CONNECT through a HTTP proxy */
+  bool prefer_ascii;     /* ASCII rather than binary */
+  bool ftp_append;       /* append, not overwrite, on upload */
+  bool ftp_list_only;    /* switch FTP command for listing directories */
+  bool ftp_use_port;     /* use the FTP PORT command */
+  bool hide_progress;    /* don't use the progress meter */
+  bool http_fail_on_error;  /* fail on HTTP error codes >= 400 */
+  bool http_keep_sending_on_error; /* for HTTP status codes >= 300 */
+  bool http_follow_location; /* follow HTTP redirects */
+  bool http_transfer_encoding; /* request compressed HTTP transfer-encoding */
+  bool allow_auth_to_other_hosts;
+  bool include_header;   /* include received protocol headers in data output */
+  bool http_set_referer; /* is a custom referer used */
+  bool http_auto_referer; /* set "correct" referer when following location: */
+  bool opt_no_body;      /* as set with CURLOPT_NOBODY */
+  bool upload;           /* upload request */
+  enum CURL_NETRC_OPTION
+       use_netrc;        /* defined in include/curl.h */
+  bool verbose;          /* output verbosity */
+  bool krb;              /* Kerberos connection requested */
+  bool reuse_forbid;     /* forbidden to be reused, close after use */
+  bool reuse_fresh;      /* do not re-use an existing connection  */
+  bool ftp_use_epsv;     /* if EPSV is to be attempted or not */
+  bool ftp_use_eprt;     /* if EPRT is to be attempted or not */
+  bool ftp_use_pret;     /* if PRET is to be used before PASV or not */
+
+  curl_usessl use_ssl;   /* if AUTH TLS is to be attempted etc, for FTP or
+                            IMAP or POP3 or others! */
+  curl_ftpauth ftpsslauth; /* what AUTH XXX to be attempted */
+  curl_ftpccc ftp_ccc;   /* FTP CCC options */
+  bool no_signal;        /* do not use any signal/alarm handler */
+  bool global_dns_cache; /* subject for future removal */
+  bool tcp_nodelay;      /* whether to enable TCP_NODELAY or not */
+  bool ignorecl;         /* ignore content length */
+  bool ftp_skip_ip;      /* skip the IP address the FTP server passes on to
+                            us */
+  bool connect_only;     /* make connection, let application use the socket */
+  long ssh_auth_types;   /* allowed SSH auth types */
+  bool http_te_skip;     /* pass the raw body data to the user, even when
+                            transfer-encoded (chunked, compressed) */
+  bool http_ce_skip;     /* pass the raw body data to the user, even when
+                            content-encoded (chunked, compressed) */
+  long new_file_perms;    /* Permissions to use when creating remote files */
+  long new_directory_perms; /* Permissions to use when creating remote dirs */
+  bool proxy_transfer_mode; /* set transfer mode (;type=<a|i>) when doing FTP
+                               via an HTTP proxy */
+  char *str[STRING_LAST]; /* array of strings, pointing to allocated memory */
+  unsigned int scope_id;  /* Scope id for IPv6 */
+  long allowed_protocols;
+  long redir_protocols;
+#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
+  bool socks5_gssapi_nec; /* Flag to support NEC SOCKS5 server */
+#endif
+  struct curl_slist *mail_rcpt; /* linked list of mail recipients */
+  bool sasl_ir;         /* Enable/disable SASL initial response */
+  /* Common RTSP header options */
+  Curl_RtspReq rtspreq; /* RTSP request type */
+  long rtspversion; /* like httpversion, for RTSP */
+  bool wildcard_enabled; /* enable wildcard matching */
+  curl_chunk_bgn_callback chunk_bgn; /* called before part of transfer
+                                        starts */
+  curl_chunk_end_callback chunk_end; /* called after part transferring
+                                        stopped */
+  curl_fnmatch_callback fnmatch; /* callback to decide which file corresponds
+                                    to pattern (e.g. if WILDCARDMATCH is on) */
+  void *fnmatch_data;
+
+  long gssapi_delegation; /* GSS-API credential delegation, see the
+                             documentation of CURLOPT_GSSAPI_DELEGATION */
+
+  bool tcp_keepalive;    /* use TCP keepalives */
+  long tcp_keepidle;     /* seconds in idle before sending keepalive probe */
+  long tcp_keepintvl;    /* seconds between TCP keepalive probes */
+  bool tcp_fastopen;     /* use TCP Fast Open */
+
+  size_t maxconnects;  /* Max idle connections in the connection cache */
+
+  bool ssl_enable_npn;      /* TLS NPN extension? */
+  bool ssl_enable_alpn;     /* TLS ALPN extension? */
+  bool path_as_is;      /* allow dotdots? */
+  bool pipewait;        /* wait for pipe/multiplex status before starting a
+                           new connection */
+  long expect_100_timeout; /* in milliseconds */
+  bool suppress_connect_headers;  /* suppress proxy CONNECT response headers
+                                     from user callbacks */
+
+  bool dns_shuffle_addresses; /* whether to shuffle addresses before use */
+
+  struct Curl_easy *stream_depends_on;
+  bool stream_depends_e; /* set or don't set the Exclusive bit */
+  int stream_weight;
+
+  bool haproxyprotocol; /* whether to send HAProxy PROXY protocol v1 header */
+
+  struct Curl_http2_dep *stream_dependents;
+
+  bool abstract_unix_socket;
+
+  curl_resolver_start_callback resolver_start; /* optional callback called
+                                                  before resolver start */
+  void *resolver_start_client; /* pointer to pass to resolver start callback */
+  bool disallow_username_in_url; /* disallow username in url */
+  long upkeep_interval_ms;      /* Time between calls for connection upkeep. */
+  bool doh; /* DNS-over-HTTPS enabled */
+  bool doh_get; /* use GET for DoH requests, instead of POST */
+  bool http09_allowed; /* allow HTTP/0.9 responses */
+  multidone_func fmultidone;
+  struct Curl_easy *dohfor; /* this is a DoH request for that transfer */
+  CURLU *uh; /* URL handle for the current parsed URL */
+  void *trailer_data; /* pointer to pass to trailer data callback */
+  curl_trailer_callback trailer_callback; /* trailing data callback */
+};
+
+struct Names {
+  struct curl_hash *hostcache;
+  enum {
+    HCACHE_NONE,    /* not pointing to anything */
+    HCACHE_GLOBAL,  /* points to the (shrug) global one */
+    HCACHE_MULTI,   /* points to a shared one in the multi handle */
+    HCACHE_SHARED   /* points to a shared one in a shared object */
+  } hostcachetype;
+};
+
+/*
+ * The 'connectdata' struct MUST have all the connection oriented stuff as we
+ * may have several simultaneous connections and connection structs in memory.
+ *
+ * The 'struct UserDefined' must only contain data that is set once to go for
+ * many (perhaps) independent connections. Values that are generated or
+ * calculated internally for the "session handle" must be defined within the
+ * 'struct UrlState' instead.
+ */
+
+struct Curl_easy {
+  /* first, two fields for the linked list of these */
+  struct Curl_easy *next;
+  struct Curl_easy *prev;
+
+  struct connectdata *conn;
+  struct curl_llist_element connect_queue;
+  struct curl_llist_element pipeline_queue;
+  struct curl_llist_element sh_queue; /* list per Curl_sh_entry */
+
+  CURLMstate mstate;  /* the handle's state */
+  CURLcode result;   /* previous result */
+
+  struct Curl_message msg; /* A single posted message. */
+
+  /* Array with the plain socket numbers this handle takes care of, in no
+     particular order. Note that all sockets are added to the sockhash, where
+     the state etc are also kept. This array is mostly used to detect when a
+     socket is to be removed from the hash. See singlesocket(). */
+  curl_socket_t sockets[MAX_SOCKSPEREASYHANDLE];
+  int actions[MAX_SOCKSPEREASYHANDLE]; /* action for each socket in
+                                          sockets[] */
+  int numsocks;
+
+  struct Names dns;
+  struct Curl_multi *multi;    /* if non-NULL, points to the multi handle
+                                  struct to which this "belongs" when used by
+                                  the multi interface */
+  struct Curl_multi *multi_easy; /* if non-NULL, points to the multi handle
+                                    struct to which this "belongs" when used
+                                    by the easy interface */
+  struct Curl_share *share;    /* Share, handles global variable mutexing */
+#ifdef USE_LIBPSL
+  struct PslCache *psl;        /* The associated PSL cache. */
+#endif
+  struct SingleRequest req;    /* Request-specific data */
+  struct UserDefined set;      /* values set by the libcurl user */
+  struct DynamicStatic change; /* possibly modified userdefined data */
+  struct CookieInfo *cookies;  /* the cookies, read from files and servers.
+                                  NOTE that the 'cookie' field in the
+                                  UserDefined struct defines if the "engine"
+                                  is to be used or not. */
+  struct Progress progress;    /* for all the progress meter data */
+  struct UrlState state;       /* struct for fields used for state info and
+                                  other dynamic purposes */
+  struct WildcardData wildcard; /* wildcard download state info */
+  struct PureInfo info;        /* stats, reports and info data */
+  struct curl_tlssessioninfo tsi; /* Information about the TLS session, only
+                                     valid after a client has asked for it */
+#if defined(CURL_DOES_CONVERSIONS) && defined(HAVE_ICONV)
+  iconv_t outbound_cd;         /* for translating to the network encoding */
+  iconv_t inbound_cd;          /* for translating from the network encoding */
+  iconv_t utf8_cd;             /* for translating to UTF8 */
+#endif /* CURL_DOES_CONVERSIONS && HAVE_ICONV */
+  unsigned int magic;          /* set to a CURLEASY_MAGIC_NUMBER */
+};
+
+#define LIBCURL_NAME "libcurl"
+
+#endif /* HEADER_CURL_URLDATA_H */
Index: trunk/src/libs/curl-7.64.0/lib/vauth/cleartext.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vauth/cleartext.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vauth/cleartext.c	(revision 85671)
@@ -0,0 +1,159 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * RFC4616 PLAIN authentication
+ * Draft   LOGIN SASL Mechanism <draft-murchison-sasl-login-00.txt>
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+#include "urldata.h"
+
+#include "vauth/vauth.h"
+#include "curl_base64.h"
+#include "curl_md5.h"
+#include "warnless.h"
+#include "strtok.h"
+#include "sendf.h"
+#include "curl_printf.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Curl_auth_create_plain_message()
+ *
+ * This is used to generate an already encoded PLAIN message ready
+ * for sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data    [in]     - The session handle.
+ * userp   [in]     - The user name.
+ * passwdp [in]     - The user's password.
+ * outptr  [in/out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen  [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_plain_message(struct Curl_easy *data,
+                                        const char *userp,
+                                        const char *passwdp,
+                                        char **outptr, size_t *outlen)
+{
+  CURLcode result;
+  char *plainauth;
+  size_t ulen;
+  size_t plen;
+  size_t plainlen;
+
+  *outlen = 0;
+  *outptr = NULL;
+  ulen = strlen(userp);
+  plen = strlen(passwdp);
+
+  /* Compute binary message length. Check for overflows. */
+  if((ulen > SIZE_T_MAX/4) || (plen > (SIZE_T_MAX/2 - 2)))
+    return CURLE_OUT_OF_MEMORY;
+  plainlen = 2 * ulen + plen + 2;
+
+  plainauth = malloc(plainlen);
+  if(!plainauth)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Calculate the reply */
+  memcpy(plainauth, userp, ulen);
+  plainauth[ulen] = '\0';
+  memcpy(plainauth + ulen + 1, userp, ulen);
+  plainauth[2 * ulen + 1] = '\0';
+  memcpy(plainauth + 2 * ulen + 2, passwdp, plen);
+
+  /* Base64 encode the reply */
+  result = Curl_base64_encode(data, plainauth, plainlen, outptr, outlen);
+  free(plainauth);
+
+  return result;
+}
+
+/*
+ * Curl_auth_create_login_message()
+ *
+ * This is used to generate an already encoded LOGIN message containing the
+ * user name or password ready for sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data    [in]     - The session handle.
+ * valuep  [in]     - The user name or user's password.
+ * outptr  [in/out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen  [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_login_message(struct Curl_easy *data,
+                                        const char *valuep, char **outptr,
+                                        size_t *outlen)
+{
+  size_t vlen = strlen(valuep);
+
+  if(!vlen) {
+    /* Calculate an empty reply */
+    *outptr = strdup("=");
+    if(*outptr) {
+      *outlen = (size_t) 1;
+      return CURLE_OK;
+    }
+
+    *outlen = 0;
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  /* Base64 encode the value */
+  return Curl_base64_encode(data, valuep, vlen, outptr, outlen);
+}
+
+/*
+ * Curl_auth_create_external_message()
+ *
+ * This is used to generate an already encoded EXTERNAL message containing
+ * the user name ready for sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data    [in]     - The session handle.
+ * user    [in]     - The user name.
+ * outptr  [in/out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen  [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_external_message(struct Curl_easy *data,
+                                           const char *user, char **outptr,
+                                           size_t *outlen)
+{
+  /* This is the same formatting as the login message */
+  return Curl_auth_create_login_message(data, user, outptr, outlen);
+}
Index: trunk/src/libs/curl-7.64.0/lib/vauth/cram.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vauth/cram.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vauth/cram.c	(revision 85671)
@@ -0,0 +1,138 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * RFC2195 CRAM-MD5 authentication
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if !defined(CURL_DISABLE_CRYPTO_AUTH)
+
+#include <curl/curl.h>
+#include "urldata.h"
+
+#include "vauth/vauth.h"
+#include "curl_base64.h"
+#include "curl_hmac.h"
+#include "curl_md5.h"
+#include "warnless.h"
+#include "curl_printf.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Curl_auth_decode_cram_md5_message()
+ *
+ * This is used to decode an already encoded CRAM-MD5 challenge message.
+ *
+ * Parameters:
+ *
+ * chlg64  [in]     - The base64 encoded challenge message.
+ * outptr  [in/out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen  [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_decode_cram_md5_message(const char *chlg64, char **outptr,
+                                           size_t *outlen)
+{
+  CURLcode result = CURLE_OK;
+  size_t chlg64len = strlen(chlg64);
+
+  *outptr = NULL;
+  *outlen = 0;
+
+  /* Decode the challenge if necessary */
+  if(chlg64len && *chlg64 != '=')
+    result = Curl_base64_decode(chlg64, (unsigned char **) outptr, outlen);
+
+  return result;
+}
+
+/*
+ * Curl_auth_create_cram_md5_message()
+ *
+ * This is used to generate an already encoded CRAM-MD5 response message ready
+ * for sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data    [in]     - The session handle.
+ * chlg    [in]     - The challenge.
+ * userp   [in]     - The user name.
+ * passwdp [in]     - The user's password.
+ * outptr  [in/out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen  [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_cram_md5_message(struct Curl_easy *data,
+                                           const char *chlg,
+                                           const char *userp,
+                                           const char *passwdp,
+                                           char **outptr, size_t *outlen)
+{
+  CURLcode result = CURLE_OK;
+  size_t chlglen = 0;
+  HMAC_context *ctxt;
+  unsigned char digest[MD5_DIGEST_LEN];
+  char *response;
+
+  if(chlg)
+    chlglen = strlen(chlg);
+
+  /* Compute the digest using the password as the key */
+  ctxt = Curl_HMAC_init(Curl_HMAC_MD5,
+                        (const unsigned char *) passwdp,
+                        curlx_uztoui(strlen(passwdp)));
+  if(!ctxt)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Update the digest with the given challenge */
+  if(chlglen > 0)
+    Curl_HMAC_update(ctxt, (const unsigned char *) chlg,
+                     curlx_uztoui(chlglen));
+
+  /* Finalise the digest */
+  Curl_HMAC_final(ctxt, digest);
+
+  /* Generate the response */
+  response = aprintf(
+    "%s %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
+    userp, digest[0], digest[1], digest[2], digest[3], digest[4],
+    digest[5], digest[6], digest[7], digest[8], digest[9], digest[10],
+    digest[11], digest[12], digest[13], digest[14], digest[15]);
+  if(!response)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Base64 encode the response */
+  result = Curl_base64_encode(data, response, 0, outptr, outlen);
+
+  free(response);
+
+  return result;
+}
+
+#endif /* !CURL_DISABLE_CRYPTO_AUTH */
Index: trunk/src/libs/curl-7.64.0/lib/vauth/digest.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vauth/digest.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vauth/digest.c	(revision 85671)
@@ -0,0 +1,1005 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * RFC2831 DIGEST-MD5 authentication
+ * RFC7616 DIGEST-SHA256, DIGEST-SHA512-256 authentication
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if !defined(CURL_DISABLE_CRYPTO_AUTH)
+
+#include <curl/curl.h>
+
+#include "vauth/vauth.h"
+#include "vauth/digest.h"
+#include "urldata.h"
+#include "curl_base64.h"
+#include "curl_hmac.h"
+#include "curl_md5.h"
+#include "curl_sha256.h"
+#include "vtls/vtls.h"
+#include "warnless.h"
+#include "strtok.h"
+#include "strcase.h"
+#include "non-ascii.h" /* included for Curl_convert_... prototypes */
+#include "curl_printf.h"
+#include "rand.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#if !defined(USE_WINDOWS_SSPI)
+#define DIGEST_QOP_VALUE_AUTH             (1 << 0)
+#define DIGEST_QOP_VALUE_AUTH_INT         (1 << 1)
+#define DIGEST_QOP_VALUE_AUTH_CONF        (1 << 2)
+
+#define DIGEST_QOP_VALUE_STRING_AUTH      "auth"
+#define DIGEST_QOP_VALUE_STRING_AUTH_INT  "auth-int"
+#define DIGEST_QOP_VALUE_STRING_AUTH_CONF "auth-conf"
+
+/* The CURL_OUTPUT_DIGEST_CONV macro below is for non-ASCII machines.
+   It converts digest text to ASCII so the MD5 will be correct for
+   what ultimately goes over the network.
+*/
+#define CURL_OUTPUT_DIGEST_CONV(a, b) \
+  result = Curl_convert_to_network(a, (char *)b, strlen((const char *)b)); \
+  if(result) { \
+    free(b); \
+    return result; \
+  }
+#endif /* !USE_WINDOWS_SSPI */
+
+bool Curl_auth_digest_get_pair(const char *str, char *value, char *content,
+                               const char **endptr)
+{
+  int c;
+  bool starts_with_quote = FALSE;
+  bool escape = FALSE;
+
+  for(c = DIGEST_MAX_VALUE_LENGTH - 1; (*str && (*str != '=') && c--);)
+    *value++ = *str++;
+  *value = 0;
+
+  if('=' != *str++)
+    /* eek, no match */
+    return FALSE;
+
+  if('\"' == *str) {
+    /* This starts with a quote so it must end with one as well! */
+    str++;
+    starts_with_quote = TRUE;
+  }
+
+  for(c = DIGEST_MAX_CONTENT_LENGTH - 1; *str && c--; str++) {
+    switch(*str) {
+    case '\\':
+      if(!escape) {
+        /* possibly the start of an escaped quote */
+        escape = TRUE;
+        *content++ = '\\'; /* Even though this is an escape character, we still
+                              store it as-is in the target buffer */
+        continue;
+      }
+      break;
+
+    case ',':
+      if(!starts_with_quote) {
+        /* This signals the end of the content if we didn't get a starting
+           quote and then we do "sloppy" parsing */
+        c = 0; /* the end */
+        continue;
+      }
+      break;
+
+    case '\r':
+    case '\n':
+      /* end of string */
+      c = 0;
+      continue;
+
+    case '\"':
+      if(!escape && starts_with_quote) {
+        /* end of string */
+        c = 0;
+        continue;
+      }
+      break;
+    }
+
+    escape = FALSE;
+    *content++ = *str;
+  }
+
+  *content = 0;
+  *endptr = str;
+
+  return TRUE;
+}
+
+#if !defined(USE_WINDOWS_SSPI)
+/* Convert md5 chunk to RFC2617 (section 3.1.3) -suitable ascii string*/
+static void auth_digest_md5_to_ascii(unsigned char *source, /* 16 bytes */
+                                     unsigned char *dest) /* 33 bytes */
+{
+  int i;
+  for(i = 0; i < 16; i++)
+    msnprintf((char *) &dest[i * 2], 3, "%02x", source[i]);
+}
+
+/* Convert sha256 chunk to RFC7616 -suitable ascii string*/
+static void auth_digest_sha256_to_ascii(unsigned char *source, /* 32 bytes */
+                                     unsigned char *dest) /* 65 bytes */
+{
+  int i;
+  for(i = 0; i < 32; i++)
+    msnprintf((char *) &dest[i * 2], 3, "%02x", source[i]);
+}
+
+/* Perform quoted-string escaping as described in RFC2616 and its errata */
+static char *auth_digest_string_quoted(const char *source)
+{
+  char *dest;
+  const char *s = source;
+  size_t n = 1; /* null terminator */
+
+  /* Calculate size needed */
+  while(*s) {
+    ++n;
+    if(*s == '"' || *s == '\\') {
+      ++n;
+    }
+    ++s;
+  }
+
+  dest = malloc(n);
+  if(dest) {
+    char *d = dest;
+    s = source;
+    while(*s) {
+      if(*s == '"' || *s == '\\') {
+        *d++ = '\\';
+      }
+      *d++ = *s++;
+    }
+    *d = 0;
+  }
+
+  return dest;
+}
+
+/* Retrieves the value for a corresponding key from the challenge string
+ * returns TRUE if the key could be found, FALSE if it does not exists
+ */
+static bool auth_digest_get_key_value(const char *chlg,
+                                      const char *key,
+                                      char *value,
+                                      size_t max_val_len,
+                                      char end_char)
+{
+  char *find_pos;
+  size_t i;
+
+  find_pos = strstr(chlg, key);
+  if(!find_pos)
+    return FALSE;
+
+  find_pos += strlen(key);
+
+  for(i = 0; *find_pos && *find_pos != end_char && i < max_val_len - 1; ++i)
+    value[i] = *find_pos++;
+  value[i] = '\0';
+
+  return TRUE;
+}
+
+static CURLcode auth_digest_get_qop_values(const char *options, int *value)
+{
+  char *tmp;
+  char *token;
+  char *tok_buf = NULL;
+
+  /* Initialise the output */
+  *value = 0;
+
+  /* Tokenise the list of qop values. Use a temporary clone of the buffer since
+     strtok_r() ruins it. */
+  tmp = strdup(options);
+  if(!tmp)
+    return CURLE_OUT_OF_MEMORY;
+
+  token = strtok_r(tmp, ",", &tok_buf);
+  while(token != NULL) {
+    if(strcasecompare(token, DIGEST_QOP_VALUE_STRING_AUTH))
+      *value |= DIGEST_QOP_VALUE_AUTH;
+    else if(strcasecompare(token, DIGEST_QOP_VALUE_STRING_AUTH_INT))
+      *value |= DIGEST_QOP_VALUE_AUTH_INT;
+    else if(strcasecompare(token, DIGEST_QOP_VALUE_STRING_AUTH_CONF))
+      *value |= DIGEST_QOP_VALUE_AUTH_CONF;
+
+    token = strtok_r(NULL, ",", &tok_buf);
+  }
+
+  free(tmp);
+
+  return CURLE_OK;
+}
+
+/*
+ * auth_decode_digest_md5_message()
+ *
+ * This is used internally to decode an already encoded DIGEST-MD5 challenge
+ * message into the separate attributes.
+ *
+ * Parameters:
+ *
+ * chlg64  [in]     - The base64 encoded challenge message.
+ * nonce   [in/out] - The buffer where the nonce will be stored.
+ * nlen    [in]     - The length of the nonce buffer.
+ * realm   [in/out] - The buffer where the realm will be stored.
+ * rlen    [in]     - The length of the realm buffer.
+ * alg     [in/out] - The buffer where the algorithm will be stored.
+ * alen    [in]     - The length of the algorithm buffer.
+ * qop     [in/out] - The buffer where the qop-options will be stored.
+ * qlen    [in]     - The length of the qop buffer.
+ *
+ * Returns CURLE_OK on success.
+ */
+static CURLcode auth_decode_digest_md5_message(const char *chlg64,
+                                               char *nonce, size_t nlen,
+                                               char *realm, size_t rlen,
+                                               char *alg, size_t alen,
+                                               char *qop, size_t qlen)
+{
+  CURLcode result = CURLE_OK;
+  unsigned char *chlg = NULL;
+  size_t chlglen = 0;
+  size_t chlg64len = strlen(chlg64);
+
+  /* Decode the base-64 encoded challenge message */
+  if(chlg64len && *chlg64 != '=') {
+    result = Curl_base64_decode(chlg64, &chlg, &chlglen);
+    if(result)
+      return result;
+  }
+
+  /* Ensure we have a valid challenge message */
+  if(!chlg)
+    return CURLE_BAD_CONTENT_ENCODING;
+
+  /* Retrieve nonce string from the challenge */
+  if(!auth_digest_get_key_value((char *) chlg, "nonce=\"", nonce, nlen,
+                                '\"')) {
+    free(chlg);
+    return CURLE_BAD_CONTENT_ENCODING;
+  }
+
+  /* Retrieve realm string from the challenge */
+  if(!auth_digest_get_key_value((char *) chlg, "realm=\"", realm, rlen,
+                                '\"')) {
+    /* Challenge does not have a realm, set empty string [RFC2831] page 6 */
+    strcpy(realm, "");
+  }
+
+  /* Retrieve algorithm string from the challenge */
+  if(!auth_digest_get_key_value((char *) chlg, "algorithm=", alg, alen, ',')) {
+    free(chlg);
+    return CURLE_BAD_CONTENT_ENCODING;
+  }
+
+  /* Retrieve qop-options string from the challenge */
+  if(!auth_digest_get_key_value((char *) chlg, "qop=\"", qop, qlen, '\"')) {
+    free(chlg);
+    return CURLE_BAD_CONTENT_ENCODING;
+  }
+
+  free(chlg);
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_auth_is_digest_supported()
+ *
+ * This is used to evaluate if DIGEST is supported.
+ *
+ * Parameters: None
+ *
+ * Returns TRUE as DIGEST as handled by libcurl.
+ */
+bool Curl_auth_is_digest_supported(void)
+{
+  return TRUE;
+}
+
+/*
+ * Curl_auth_create_digest_md5_message()
+ *
+ * This is used to generate an already encoded DIGEST-MD5 response message
+ * ready for sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data    [in]     - The session handle.
+ * chlg64  [in]     - The base64 encoded challenge message.
+ * userp   [in]     - The user name.
+ * passwdp [in]     - The user's password.
+ * service [in]     - The service type such as http, smtp, pop or imap.
+ * outptr  [in/out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen  [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_digest_md5_message(struct Curl_easy *data,
+                                             const char *chlg64,
+                                             const char *userp,
+                                             const char *passwdp,
+                                             const char *service,
+                                             char **outptr, size_t *outlen)
+{
+  CURLcode result = CURLE_OK;
+  size_t i;
+  MD5_context *ctxt;
+  char *response = NULL;
+  unsigned char digest[MD5_DIGEST_LEN];
+  char HA1_hex[2 * MD5_DIGEST_LEN + 1];
+  char HA2_hex[2 * MD5_DIGEST_LEN + 1];
+  char resp_hash_hex[2 * MD5_DIGEST_LEN + 1];
+  char nonce[64];
+  char realm[128];
+  char algorithm[64];
+  char qop_options[64];
+  int qop_values;
+  char cnonce[33];
+  char nonceCount[] = "00000001";
+  char method[]     = "AUTHENTICATE";
+  char qop[]        = DIGEST_QOP_VALUE_STRING_AUTH;
+  char *spn         = NULL;
+
+  /* Decode the challenge message */
+  result = auth_decode_digest_md5_message(chlg64, nonce, sizeof(nonce),
+                                          realm, sizeof(realm),
+                                          algorithm, sizeof(algorithm),
+                                          qop_options, sizeof(qop_options));
+  if(result)
+    return result;
+
+  /* We only support md5 sessions */
+  if(strcmp(algorithm, "md5-sess") != 0)
+    return CURLE_BAD_CONTENT_ENCODING;
+
+  /* Get the qop-values from the qop-options */
+  result = auth_digest_get_qop_values(qop_options, &qop_values);
+  if(result)
+    return result;
+
+  /* We only support auth quality-of-protection */
+  if(!(qop_values & DIGEST_QOP_VALUE_AUTH))
+    return CURLE_BAD_CONTENT_ENCODING;
+
+  /* Generate 32 random hex chars, 32 bytes + 1 zero termination */
+  result = Curl_rand_hex(data, (unsigned char *)cnonce, sizeof(cnonce));
+  if(result)
+    return result;
+
+  /* So far so good, now calculate A1 and H(A1) according to RFC 2831 */
+  ctxt = Curl_MD5_init(Curl_DIGEST_MD5);
+  if(!ctxt)
+    return CURLE_OUT_OF_MEMORY;
+
+  Curl_MD5_update(ctxt, (const unsigned char *) userp,
+                  curlx_uztoui(strlen(userp)));
+  Curl_MD5_update(ctxt, (const unsigned char *) ":", 1);
+  Curl_MD5_update(ctxt, (const unsigned char *) realm,
+                  curlx_uztoui(strlen(realm)));
+  Curl_MD5_update(ctxt, (const unsigned char *) ":", 1);
+  Curl_MD5_update(ctxt, (const unsigned char *) passwdp,
+                  curlx_uztoui(strlen(passwdp)));
+  Curl_MD5_final(ctxt, digest);
+
+  ctxt = Curl_MD5_init(Curl_DIGEST_MD5);
+  if(!ctxt)
+    return CURLE_OUT_OF_MEMORY;
+
+  Curl_MD5_update(ctxt, (const unsigned char *) digest, MD5_DIGEST_LEN);
+  Curl_MD5_update(ctxt, (const unsigned char *) ":", 1);
+  Curl_MD5_update(ctxt, (const unsigned char *) nonce,
+                  curlx_uztoui(strlen(nonce)));
+  Curl_MD5_update(ctxt, (const unsigned char *) ":", 1);
+  Curl_MD5_update(ctxt, (const unsigned char *) cnonce,
+                  curlx_uztoui(strlen(cnonce)));
+  Curl_MD5_final(ctxt, digest);
+
+  /* Convert calculated 16 octet hex into 32 bytes string */
+  for(i = 0; i < MD5_DIGEST_LEN; i++)
+    msnprintf(&HA1_hex[2 * i], 3, "%02x", digest[i]);
+
+  /* Generate our SPN */
+  spn = Curl_auth_build_spn(service, realm, NULL);
+  if(!spn)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Calculate H(A2) */
+  ctxt = Curl_MD5_init(Curl_DIGEST_MD5);
+  if(!ctxt) {
+    free(spn);
+
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  Curl_MD5_update(ctxt, (const unsigned char *) method,
+                  curlx_uztoui(strlen(method)));
+  Curl_MD5_update(ctxt, (const unsigned char *) ":", 1);
+  Curl_MD5_update(ctxt, (const unsigned char *) spn,
+                  curlx_uztoui(strlen(spn)));
+  Curl_MD5_final(ctxt, digest);
+
+  for(i = 0; i < MD5_DIGEST_LEN; i++)
+    msnprintf(&HA2_hex[2 * i], 3, "%02x", digest[i]);
+
+  /* Now calculate the response hash */
+  ctxt = Curl_MD5_init(Curl_DIGEST_MD5);
+  if(!ctxt) {
+    free(spn);
+
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  Curl_MD5_update(ctxt, (const unsigned char *) HA1_hex, 2 * MD5_DIGEST_LEN);
+  Curl_MD5_update(ctxt, (const unsigned char *) ":", 1);
+  Curl_MD5_update(ctxt, (const unsigned char *) nonce,
+                  curlx_uztoui(strlen(nonce)));
+  Curl_MD5_update(ctxt, (const unsigned char *) ":", 1);
+
+  Curl_MD5_update(ctxt, (const unsigned char *) nonceCount,
+                  curlx_uztoui(strlen(nonceCount)));
+  Curl_MD5_update(ctxt, (const unsigned char *) ":", 1);
+  Curl_MD5_update(ctxt, (const unsigned char *) cnonce,
+                  curlx_uztoui(strlen(cnonce)));
+  Curl_MD5_update(ctxt, (const unsigned char *) ":", 1);
+  Curl_MD5_update(ctxt, (const unsigned char *) qop,
+                  curlx_uztoui(strlen(qop)));
+  Curl_MD5_update(ctxt, (const unsigned char *) ":", 1);
+
+  Curl_MD5_update(ctxt, (const unsigned char *) HA2_hex, 2 * MD5_DIGEST_LEN);
+  Curl_MD5_final(ctxt, digest);
+
+  for(i = 0; i < MD5_DIGEST_LEN; i++)
+    msnprintf(&resp_hash_hex[2 * i], 3, "%02x", digest[i]);
+
+  /* Generate the response */
+  response = aprintf("username=\"%s\",realm=\"%s\",nonce=\"%s\","
+                     "cnonce=\"%s\",nc=\"%s\",digest-uri=\"%s\",response=%s,"
+                     "qop=%s",
+                     userp, realm, nonce,
+                     cnonce, nonceCount, spn, resp_hash_hex, qop);
+  free(spn);
+  if(!response)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Base64 encode the response */
+  result = Curl_base64_encode(data, response, 0, outptr, outlen);
+
+  free(response);
+
+  return result;
+}
+
+/*
+ * Curl_auth_decode_digest_http_message()
+ *
+ * This is used to decode a HTTP DIGEST challenge message into the separate
+ * attributes.
+ *
+ * Parameters:
+ *
+ * chlg    [in]     - The challenge message.
+ * digest  [in/out] - The digest data struct being used and modified.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_decode_digest_http_message(const char *chlg,
+                                              struct digestdata *digest)
+{
+  bool before = FALSE; /* got a nonce before */
+  bool foundAuth = FALSE;
+  bool foundAuthInt = FALSE;
+  char *token = NULL;
+  char *tmp = NULL;
+
+  /* If we already have received a nonce, keep that in mind */
+  if(digest->nonce)
+    before = TRUE;
+
+  /* Clean up any former leftovers and initialise to defaults */
+  Curl_auth_digest_cleanup(digest);
+
+  for(;;) {
+    char value[DIGEST_MAX_VALUE_LENGTH];
+    char content[DIGEST_MAX_CONTENT_LENGTH];
+
+    /* Pass all additional spaces here */
+    while(*chlg && ISSPACE(*chlg))
+      chlg++;
+
+    /* Extract a value=content pair */
+    if(Curl_auth_digest_get_pair(chlg, value, content, &chlg)) {
+      if(strcasecompare(value, "nonce")) {
+        free(digest->nonce);
+        digest->nonce = strdup(content);
+        if(!digest->nonce)
+          return CURLE_OUT_OF_MEMORY;
+      }
+      else if(strcasecompare(value, "stale")) {
+        if(strcasecompare(content, "true")) {
+          digest->stale = TRUE;
+          digest->nc = 1; /* we make a new nonce now */
+        }
+      }
+      else if(strcasecompare(value, "realm")) {
+        free(digest->realm);
+        digest->realm = strdup(content);
+        if(!digest->realm)
+          return CURLE_OUT_OF_MEMORY;
+      }
+      else if(strcasecompare(value, "opaque")) {
+        free(digest->opaque);
+        digest->opaque = strdup(content);
+        if(!digest->opaque)
+          return CURLE_OUT_OF_MEMORY;
+      }
+      else if(strcasecompare(value, "qop")) {
+        char *tok_buf = NULL;
+        /* Tokenize the list and choose auth if possible, use a temporary
+           clone of the buffer since strtok_r() ruins it */
+        tmp = strdup(content);
+        if(!tmp)
+          return CURLE_OUT_OF_MEMORY;
+
+        token = strtok_r(tmp, ",", &tok_buf);
+        while(token != NULL) {
+          if(strcasecompare(token, DIGEST_QOP_VALUE_STRING_AUTH)) {
+            foundAuth = TRUE;
+          }
+          else if(strcasecompare(token, DIGEST_QOP_VALUE_STRING_AUTH_INT)) {
+            foundAuthInt = TRUE;
+          }
+          token = strtok_r(NULL, ",", &tok_buf);
+        }
+
+        free(tmp);
+
+        /* Select only auth or auth-int. Otherwise, ignore */
+        if(foundAuth) {
+          free(digest->qop);
+          digest->qop = strdup(DIGEST_QOP_VALUE_STRING_AUTH);
+          if(!digest->qop)
+            return CURLE_OUT_OF_MEMORY;
+        }
+        else if(foundAuthInt) {
+          free(digest->qop);
+          digest->qop = strdup(DIGEST_QOP_VALUE_STRING_AUTH_INT);
+          if(!digest->qop)
+            return CURLE_OUT_OF_MEMORY;
+        }
+      }
+      else if(strcasecompare(value, "algorithm")) {
+        free(digest->algorithm);
+        digest->algorithm = strdup(content);
+        if(!digest->algorithm)
+          return CURLE_OUT_OF_MEMORY;
+
+        if(strcasecompare(content, "MD5-sess"))
+          digest->algo = CURLDIGESTALGO_MD5SESS;
+        else if(strcasecompare(content, "MD5"))
+          digest->algo = CURLDIGESTALGO_MD5;
+        else if(strcasecompare(content, "SHA-256"))
+          digest->algo = CURLDIGESTALGO_SHA256;
+        else if(strcasecompare(content, "SHA-256-SESS"))
+          digest->algo = CURLDIGESTALGO_SHA256SESS;
+        else if(strcasecompare(content, "SHA-512-256"))
+          digest->algo = CURLDIGESTALGO_SHA512_256;
+        else if(strcasecompare(content, "SHA-512-256-SESS"))
+          digest->algo = CURLDIGESTALGO_SHA512_256SESS;
+        else
+          return CURLE_BAD_CONTENT_ENCODING;
+      }
+      else if(strcasecompare(value, "userhash")) {
+        if(strcasecompare(content, "true")) {
+          digest->userhash = TRUE;
+        }
+      }
+      else {
+        /* Unknown specifier, ignore it! */
+      }
+    }
+    else
+      break; /* We're done here */
+
+    /* Pass all additional spaces here */
+    while(*chlg && ISSPACE(*chlg))
+      chlg++;
+
+    /* Allow the list to be comma-separated */
+    if(',' == *chlg)
+      chlg++;
+  }
+
+  /* We had a nonce since before, and we got another one now without
+     'stale=true'. This means we provided bad credentials in the previous
+     request */
+  if(before && !digest->stale)
+    return CURLE_BAD_CONTENT_ENCODING;
+
+  /* We got this header without a nonce, that's a bad Digest line! */
+  if(!digest->nonce)
+    return CURLE_BAD_CONTENT_ENCODING;
+
+  return CURLE_OK;
+}
+
+/*
+ * _Curl_auth_create_digest_http_message()
+ *
+ * This is used to generate a HTTP DIGEST response message ready for sending
+ * to the recipient.
+ *
+ * Parameters:
+ *
+ * data    [in]     - The session handle.
+ * userp   [in]     - The user name.
+ * passwdp [in]     - The user's password.
+ * request [in]     - The HTTP request.
+ * uripath [in]     - The path of the HTTP uri.
+ * digest  [in/out] - The digest data struct being used and modified.
+ * outptr  [in/out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen  [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+static CURLcode _Curl_auth_create_digest_http_message(
+                  struct Curl_easy *data,
+                  const char *userp,
+                  const char *passwdp,
+                  const unsigned char *request,
+                  const unsigned char *uripath,
+                  struct digestdata *digest,
+                  char **outptr, size_t *outlen,
+                  void (*convert_to_ascii)(unsigned char *, unsigned char *),
+                  void (*hash)(unsigned char *, const unsigned char *))
+{
+  CURLcode result;
+  unsigned char hashbuf[32]; /* 32 bytes/256 bits */
+  unsigned char request_digest[65];
+  unsigned char *hashthis;
+  unsigned char ha1[65];    /* 64 digits and 1 zero byte */
+  unsigned char ha2[65];    /* 64 digits and 1 zero byte */
+  char userh[65];
+  char *cnonce = NULL;
+  size_t cnonce_sz = 0;
+  char *userp_quoted;
+  char *response = NULL;
+  char *tmp = NULL;
+
+  if(!digest->nc)
+    digest->nc = 1;
+
+  if(!digest->cnonce) {
+    char cnoncebuf[33];
+    result = Curl_rand_hex(data, (unsigned char *)cnoncebuf,
+                           sizeof(cnoncebuf));
+    if(result)
+      return result;
+
+    result = Curl_base64_encode(data, cnoncebuf, strlen(cnoncebuf),
+                                &cnonce, &cnonce_sz);
+    if(result)
+      return result;
+
+    digest->cnonce = cnonce;
+  }
+
+  if(digest->userhash) {
+    hashthis = (unsigned char *) aprintf("%s:%s", userp, digest->realm);
+    if(!hashthis)
+      return CURLE_OUT_OF_MEMORY;
+
+    CURL_OUTPUT_DIGEST_CONV(data, hashthis);
+    hash(hashbuf, hashthis);
+    free(hashthis);
+    convert_to_ascii(hashbuf, (unsigned char *)userh);
+  }
+
+  /*
+    If the algorithm is "MD5" or unspecified (which then defaults to MD5):
+
+      A1 = unq(username-value) ":" unq(realm-value) ":" passwd
+
+    If the algorithm is "MD5-sess" then:
+
+      A1 = H(unq(username-value) ":" unq(realm-value) ":" passwd) ":"
+           unq(nonce-value) ":" unq(cnonce-value)
+  */
+
+  hashthis = (unsigned char *)
+    aprintf("%s:%s:%s", digest->userhash ? userh : userp,
+                                    digest->realm, passwdp);
+  if(!hashthis)
+    return CURLE_OUT_OF_MEMORY;
+
+  CURL_OUTPUT_DIGEST_CONV(data, hashthis); /* convert on non-ASCII machines */
+  hash(hashbuf, hashthis);
+  free(hashthis);
+  convert_to_ascii(hashbuf, ha1);
+
+  if(digest->algo == CURLDIGESTALGO_MD5SESS ||
+     digest->algo == CURLDIGESTALGO_SHA256SESS ||
+     digest->algo == CURLDIGESTALGO_SHA512_256SESS) {
+    /* nonce and cnonce are OUTSIDE the hash */
+    tmp = aprintf("%s:%s:%s", ha1, digest->nonce, digest->cnonce);
+    if(!tmp)
+      return CURLE_OUT_OF_MEMORY;
+
+    CURL_OUTPUT_DIGEST_CONV(data, tmp); /* Convert on non-ASCII machines */
+    hash(hashbuf, (unsigned char *) tmp);
+    free(tmp);
+    convert_to_ascii(hashbuf, ha1);
+  }
+
+  /*
+    If the "qop" directive's value is "auth" or is unspecified, then A2 is:
+
+      A2 = Method ":" digest-uri-value
+
+    If the "qop" value is "auth-int", then A2 is:
+
+      A2 = Method ":" digest-uri-value ":" H(entity-body)
+
+    (The "Method" value is the HTTP request method as specified in section
+    5.1.1 of RFC 2616)
+  */
+
+  hashthis = (unsigned char *) aprintf("%s:%s", request, uripath);
+  if(!hashthis)
+    return CURLE_OUT_OF_MEMORY;
+
+  if(digest->qop && strcasecompare(digest->qop, "auth-int")) {
+    /* We don't support auth-int for PUT or POST at the moment.
+       TODO: replace hash of empty string with entity-body for PUT/POST */
+    char hashed[65];
+    unsigned char *hashthis2;
+
+    hash(hashbuf, (const unsigned char *)"");
+    convert_to_ascii(hashbuf, (unsigned char *)hashed);
+
+    hashthis2 = (unsigned char *)aprintf("%s:%s", hashthis, hashed);
+    free(hashthis);
+    hashthis = hashthis2;
+  }
+
+  if(!hashthis)
+    return CURLE_OUT_OF_MEMORY;
+
+  CURL_OUTPUT_DIGEST_CONV(data, hashthis); /* convert on non-ASCII machines */
+  hash(hashbuf, hashthis);
+  free(hashthis);
+  convert_to_ascii(hashbuf, ha2);
+
+  if(digest->qop) {
+    hashthis = (unsigned char *) aprintf("%s:%s:%08x:%s:%s:%s",
+                                        ha1,
+                                        digest->nonce,
+                                        digest->nc,
+                                        digest->cnonce,
+                                        digest->qop,
+                                        ha2);
+  }
+  else {
+    hashthis = (unsigned char *) aprintf("%s:%s:%s",
+                                        ha1,
+                                        digest->nonce,
+                                        ha2);
+  }
+
+  if(!hashthis)
+    return CURLE_OUT_OF_MEMORY;
+
+  CURL_OUTPUT_DIGEST_CONV(data, hashthis); /* convert on non-ASCII machines */
+  hash(hashbuf, hashthis);
+  free(hashthis);
+  convert_to_ascii(hashbuf, request_digest);
+
+  /* For test case 64 (snooped from a Mozilla 1.3a request)
+
+     Authorization: Digest username="testuser", realm="testrealm", \
+     nonce="1053604145", uri="/64", response="c55f7f30d83d774a3d2dcacf725abaca"
+
+     Digest parameters are all quoted strings.  Username which is provided by
+     the user will need double quotes and backslashes within it escaped.  For
+     the other fields, this shouldn't be an issue.  realm, nonce, and opaque
+     are copied as is from the server, escapes and all.  cnonce is generated
+     with web-safe characters.  uri is already percent encoded.  nc is 8 hex
+     characters.  algorithm and qop with standard values only contain web-safe
+     characters.
+  */
+  userp_quoted = auth_digest_string_quoted(digest->userhash ? userh : userp);
+  if(!userp_quoted)
+    return CURLE_OUT_OF_MEMORY;
+
+  if(digest->qop) {
+    response = aprintf("username=\"%s\", "
+                       "realm=\"%s\", "
+                       "nonce=\"%s\", "
+                       "uri=\"%s\", "
+                       "cnonce=\"%s\", "
+                       "nc=%08x, "
+                       "qop=%s, "
+                       "response=\"%s\"",
+                       userp_quoted,
+                       digest->realm,
+                       digest->nonce,
+                       uripath,
+                       digest->cnonce,
+                       digest->nc,
+                       digest->qop,
+                       request_digest);
+
+    if(strcasecompare(digest->qop, "auth"))
+      digest->nc++; /* The nc (from RFC) has to be a 8 hex digit number 0
+                       padded which tells to the server how many times you are
+                       using the same nonce in the qop=auth mode */
+  }
+  else {
+    response = aprintf("username=\"%s\", "
+                       "realm=\"%s\", "
+                       "nonce=\"%s\", "
+                       "uri=\"%s\", "
+                       "response=\"%s\"",
+                       userp_quoted,
+                       digest->realm,
+                       digest->nonce,
+                       uripath,
+                       request_digest);
+  }
+  free(userp_quoted);
+  if(!response)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Add the optional fields */
+  if(digest->opaque) {
+    /* Append the opaque */
+    tmp = aprintf("%s, opaque=\"%s\"", response, digest->opaque);
+    free(response);
+    if(!tmp)
+      return CURLE_OUT_OF_MEMORY;
+
+    response = tmp;
+  }
+
+  if(digest->algorithm) {
+    /* Append the algorithm */
+    tmp = aprintf("%s, algorithm=\"%s\"", response, digest->algorithm);
+    free(response);
+    if(!tmp)
+      return CURLE_OUT_OF_MEMORY;
+
+    response = tmp;
+  }
+
+  if(digest->userhash) {
+    /* Append the userhash */
+    tmp = aprintf("%s, userhash=true", response);
+    free(response);
+    if(!tmp)
+      return CURLE_OUT_OF_MEMORY;
+
+    response = tmp;
+  }
+
+  /* Return the output */
+  *outptr = response;
+  *outlen = strlen(response);
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_auth_create_digest_http_message()
+ *
+ * This is used to generate a HTTP DIGEST response message ready for sending
+ * to the recipient.
+ *
+ * Parameters:
+ *
+ * data    [in]     - The session handle.
+ * userp   [in]     - The user name.
+ * passwdp [in]     - The user's password.
+ * request [in]     - The HTTP request.
+ * uripath [in]     - The path of the HTTP uri.
+ * digest  [in/out] - The digest data struct being used and modified.
+ * outptr  [in/out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen  [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
+                                              const char *userp,
+                                              const char *passwdp,
+                                              const unsigned char *request,
+                                              const unsigned char *uripath,
+                                              struct digestdata *digest,
+                                              char **outptr, size_t *outlen)
+{
+  switch(digest->algo) {
+  case CURLDIGESTALGO_MD5:
+  case CURLDIGESTALGO_MD5SESS:
+    return _Curl_auth_create_digest_http_message(data, userp, passwdp,
+                                                 request, uripath, digest,
+                                                 outptr, outlen,
+                                                 auth_digest_md5_to_ascii,
+                                                 Curl_md5it);
+
+  case CURLDIGESTALGO_SHA256:
+  case CURLDIGESTALGO_SHA256SESS:
+  case CURLDIGESTALGO_SHA512_256:
+  case CURLDIGESTALGO_SHA512_256SESS:
+    return _Curl_auth_create_digest_http_message(data, userp, passwdp,
+                                                 request, uripath, digest,
+                                                 outptr, outlen,
+                                                 auth_digest_sha256_to_ascii,
+                                                 Curl_sha256it);
+
+  default:
+    return CURLE_UNSUPPORTED_PROTOCOL;
+  }
+}
+
+/*
+ * Curl_auth_digest_cleanup()
+ *
+ * This is used to clean up the digest specific data.
+ *
+ * Parameters:
+ *
+ * digest    [in/out] - The digest data struct being cleaned up.
+ *
+ */
+void Curl_auth_digest_cleanup(struct digestdata *digest)
+{
+  Curl_safefree(digest->nonce);
+  Curl_safefree(digest->cnonce);
+  Curl_safefree(digest->realm);
+  Curl_safefree(digest->opaque);
+  Curl_safefree(digest->qop);
+  Curl_safefree(digest->algorithm);
+
+  digest->nc = 0;
+  digest->algo = CURLDIGESTALGO_MD5; /* default algorithm */
+  digest->stale = FALSE; /* default means normal, not stale */
+  digest->userhash = FALSE;
+}
+#endif  /* !USE_WINDOWS_SSPI */
+
+#endif  /* CURL_DISABLE_CRYPTO_AUTH */
Index: trunk/src/libs/curl-7.64.0/lib/vauth/digest.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vauth/digest.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vauth/digest.h	(revision 85671)
@@ -0,0 +1,47 @@
+#ifndef HEADER_CURL_DIGEST_H
+#define HEADER_CURL_DIGEST_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include <curl/curl.h>
+
+#if !defined(CURL_DISABLE_CRYPTO_AUTH)
+
+#define DIGEST_MAX_VALUE_LENGTH           256
+#define DIGEST_MAX_CONTENT_LENGTH         1024
+
+enum {
+  CURLDIGESTALGO_MD5,
+  CURLDIGESTALGO_MD5SESS,
+  CURLDIGESTALGO_SHA256,
+  CURLDIGESTALGO_SHA256SESS,
+  CURLDIGESTALGO_SHA512_256,
+  CURLDIGESTALGO_SHA512_256SESS
+};
+
+/* This is used to extract the realm from a challenge message */
+bool Curl_auth_digest_get_pair(const char *str, char *value, char *content,
+                               const char **endptr);
+
+#endif
+
+#endif /* HEADER_CURL_DIGEST_H */
Index: trunk/src/libs/curl-7.64.0/lib/vauth/digest_sspi.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vauth/digest_sspi.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vauth/digest_sspi.c	(revision 85671)
@@ -0,0 +1,669 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2014 - 2016, Steve Holme, <steve_holme@hotmail.com>.
+ * Copyright (C) 2015 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * RFC2831 DIGEST-MD5 authentication
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(USE_WINDOWS_SSPI) && !defined(CURL_DISABLE_CRYPTO_AUTH)
+
+#include <curl/curl.h>
+
+#include "vauth/vauth.h"
+#include "vauth/digest.h"
+#include "urldata.h"
+#include "curl_base64.h"
+#include "warnless.h"
+#include "curl_multibyte.h"
+#include "sendf.h"
+#include "strdup.h"
+#include "strcase.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+* Curl_auth_is_digest_supported()
+*
+* This is used to evaluate if DIGEST is supported.
+*
+* Parameters: None
+*
+* Returns TRUE if DIGEST is supported by Windows SSPI.
+*/
+bool Curl_auth_is_digest_supported(void)
+{
+  PSecPkgInfo SecurityPackage;
+  SECURITY_STATUS status;
+
+  /* Query the security package for Digest */
+  status = s_pSecFn->QuerySecurityPackageInfo((TCHAR *) TEXT(SP_NAME_DIGEST),
+                                              &SecurityPackage);
+
+  return (status == SEC_E_OK ? TRUE : FALSE);
+}
+
+/*
+ * Curl_auth_create_digest_md5_message()
+ *
+ * This is used to generate an already encoded DIGEST-MD5 response message
+ * ready for sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data    [in]     - The session handle.
+ * chlg64  [in]     - The base64 encoded challenge message.
+ * userp   [in]     - The user name in the format User or Domain\User.
+ * passwdp [in]     - The user's password.
+ * service [in]     - The service type such as http, smtp, pop or imap.
+ * outptr  [in/out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen  [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_digest_md5_message(struct Curl_easy *data,
+                                             const char *chlg64,
+                                             const char *userp,
+                                             const char *passwdp,
+                                             const char *service,
+                                             char **outptr, size_t *outlen)
+{
+  CURLcode result = CURLE_OK;
+  TCHAR *spn = NULL;
+  size_t chlglen = 0;
+  size_t token_max = 0;
+  unsigned char *input_token = NULL;
+  unsigned char *output_token = NULL;
+  CredHandle credentials;
+  CtxtHandle context;
+  PSecPkgInfo SecurityPackage;
+  SEC_WINNT_AUTH_IDENTITY identity;
+  SEC_WINNT_AUTH_IDENTITY *p_identity;
+  SecBuffer chlg_buf;
+  SecBuffer resp_buf;
+  SecBufferDesc chlg_desc;
+  SecBufferDesc resp_desc;
+  SECURITY_STATUS status;
+  unsigned long attrs;
+  TimeStamp expiry; /* For Windows 9x compatibility of SSPI calls */
+
+  /* Decode the base-64 encoded challenge message */
+  if(strlen(chlg64) && *chlg64 != '=') {
+    result = Curl_base64_decode(chlg64, &input_token, &chlglen);
+    if(result)
+      return result;
+  }
+
+  /* Ensure we have a valid challenge message */
+  if(!input_token) {
+    infof(data, "DIGEST-MD5 handshake failure (empty challenge message)\n");
+
+    return CURLE_BAD_CONTENT_ENCODING;
+  }
+
+  /* Query the security package for DigestSSP */
+  status = s_pSecFn->QuerySecurityPackageInfo((TCHAR *) TEXT(SP_NAME_DIGEST),
+                                              &SecurityPackage);
+  if(status != SEC_E_OK) {
+    free(input_token);
+
+    return CURLE_NOT_BUILT_IN;
+  }
+
+  token_max = SecurityPackage->cbMaxToken;
+
+  /* Release the package buffer as it is not required anymore */
+  s_pSecFn->FreeContextBuffer(SecurityPackage);
+
+  /* Allocate our response buffer */
+  output_token = malloc(token_max);
+  if(!output_token) {
+    free(input_token);
+
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  /* Generate our SPN */
+  spn = Curl_auth_build_spn(service, data->conn->host.name, NULL);
+  if(!spn) {
+    free(output_token);
+    free(input_token);
+
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  if(userp && *userp) {
+    /* Populate our identity structure */
+    result = Curl_create_sspi_identity(userp, passwdp, &identity);
+    if(result) {
+      free(spn);
+      free(output_token);
+      free(input_token);
+
+      return result;
+    }
+
+    /* Allow proper cleanup of the identity structure */
+    p_identity = &identity;
+  }
+  else
+    /* Use the current Windows user */
+    p_identity = NULL;
+
+  /* Acquire our credentials handle */
+  status = s_pSecFn->AcquireCredentialsHandle(NULL,
+                                              (TCHAR *) TEXT(SP_NAME_DIGEST),
+                                              SECPKG_CRED_OUTBOUND, NULL,
+                                              p_identity, NULL, NULL,
+                                              &credentials, &expiry);
+
+  if(status != SEC_E_OK) {
+    Curl_sspi_free_identity(p_identity);
+    free(spn);
+    free(output_token);
+    free(input_token);
+
+    return CURLE_LOGIN_DENIED;
+  }
+
+  /* Setup the challenge "input" security buffer */
+  chlg_desc.ulVersion = SECBUFFER_VERSION;
+  chlg_desc.cBuffers  = 1;
+  chlg_desc.pBuffers  = &chlg_buf;
+  chlg_buf.BufferType = SECBUFFER_TOKEN;
+  chlg_buf.pvBuffer   = input_token;
+  chlg_buf.cbBuffer   = curlx_uztoul(chlglen);
+
+  /* Setup the response "output" security buffer */
+  resp_desc.ulVersion = SECBUFFER_VERSION;
+  resp_desc.cBuffers  = 1;
+  resp_desc.pBuffers  = &resp_buf;
+  resp_buf.BufferType = SECBUFFER_TOKEN;
+  resp_buf.pvBuffer   = output_token;
+  resp_buf.cbBuffer   = curlx_uztoul(token_max);
+
+  /* Generate our response message */
+  status = s_pSecFn->InitializeSecurityContext(&credentials, NULL, spn,
+                                               0, 0, 0, &chlg_desc, 0,
+                                               &context, &resp_desc, &attrs,
+                                               &expiry);
+
+  if(status == SEC_I_COMPLETE_NEEDED ||
+     status == SEC_I_COMPLETE_AND_CONTINUE)
+    s_pSecFn->CompleteAuthToken(&credentials, &resp_desc);
+  else if(status != SEC_E_OK && status != SEC_I_CONTINUE_NEEDED) {
+    s_pSecFn->FreeCredentialsHandle(&credentials);
+    Curl_sspi_free_identity(p_identity);
+    free(spn);
+    free(output_token);
+    free(input_token);
+
+    return CURLE_RECV_ERROR;
+  }
+
+  /* Base64 encode the response */
+  result = Curl_base64_encode(data, (char *) output_token, resp_buf.cbBuffer,
+                              outptr, outlen);
+
+  /* Free our handles */
+  s_pSecFn->DeleteSecurityContext(&context);
+  s_pSecFn->FreeCredentialsHandle(&credentials);
+
+  /* Free the identity structure */
+  Curl_sspi_free_identity(p_identity);
+
+  /* Free the SPN */
+  free(spn);
+
+  /* Free the response buffer */
+  free(output_token);
+
+  /* Free the decoded challenge message */
+  free(input_token);
+
+  return result;
+}
+
+/*
+ * Curl_override_sspi_http_realm()
+ *
+ * This is used to populate the domain in a SSPI identity structure
+ * The realm is extracted from the challenge message and used as the
+ * domain if it is not already explicitly set.
+ *
+ * Parameters:
+ *
+ * chlg     [in]     - The challenge message.
+ * identity [in/out] - The identity structure.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_override_sspi_http_realm(const char *chlg,
+                                       SEC_WINNT_AUTH_IDENTITY *identity)
+{
+  xcharp_u domain, dup_domain;
+
+  /* If domain is blank or unset, check challenge message for realm */
+  if(!identity->Domain || !identity->DomainLength) {
+    for(;;) {
+      char value[DIGEST_MAX_VALUE_LENGTH];
+      char content[DIGEST_MAX_CONTENT_LENGTH];
+
+      /* Pass all additional spaces here */
+      while(*chlg && ISSPACE(*chlg))
+        chlg++;
+
+      /* Extract a value=content pair */
+      if(Curl_auth_digest_get_pair(chlg, value, content, &chlg)) {
+        if(strcasecompare(value, "realm")) {
+
+          /* Setup identity's domain and length */
+          domain.tchar_ptr = Curl_convert_UTF8_to_tchar((char *) content);
+          if(!domain.tchar_ptr)
+            return CURLE_OUT_OF_MEMORY;
+
+          dup_domain.tchar_ptr = _tcsdup(domain.tchar_ptr);
+          if(!dup_domain.tchar_ptr) {
+            Curl_unicodefree(domain.tchar_ptr);
+            return CURLE_OUT_OF_MEMORY;
+          }
+
+          free(identity->Domain);
+          identity->Domain = dup_domain.tbyte_ptr;
+          identity->DomainLength = curlx_uztoul(_tcslen(dup_domain.tchar_ptr));
+          dup_domain.tchar_ptr = NULL;
+
+          Curl_unicodefree(domain.tchar_ptr);
+        }
+        else {
+          /* Unknown specifier, ignore it! */
+        }
+      }
+      else
+        break; /* We're done here */
+
+      /* Pass all additional spaces here */
+      while(*chlg && ISSPACE(*chlg))
+        chlg++;
+
+      /* Allow the list to be comma-separated */
+      if(',' == *chlg)
+        chlg++;
+    }
+  }
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_auth_decode_digest_http_message()
+ *
+ * This is used to decode a HTTP DIGEST challenge message into the separate
+ * attributes.
+ *
+ * Parameters:
+ *
+ * chlg    [in]     - The challenge message.
+ * digest  [in/out] - The digest data struct being used and modified.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_decode_digest_http_message(const char *chlg,
+                                              struct digestdata *digest)
+{
+  size_t chlglen = strlen(chlg);
+
+  /* We had an input token before so if there's another one now that means we
+     provided bad credentials in the previous request or it's stale. */
+  if(digest->input_token) {
+    bool stale = false;
+    const char *p = chlg;
+
+    /* Check for the 'stale' directive */
+    for(;;) {
+      char value[DIGEST_MAX_VALUE_LENGTH];
+      char content[DIGEST_MAX_CONTENT_LENGTH];
+
+      while(*p && ISSPACE(*p))
+        p++;
+
+      if(!Curl_auth_digest_get_pair(p, value, content, &p))
+        break;
+
+      if(strcasecompare(value, "stale") &&
+         strcasecompare(content, "true")) {
+        stale = true;
+        break;
+      }
+
+      while(*p && ISSPACE(*p))
+        p++;
+
+      if(',' == *p)
+        p++;
+    }
+
+    if(stale)
+      Curl_auth_digest_cleanup(digest);
+    else
+      return CURLE_LOGIN_DENIED;
+  }
+
+  /* Store the challenge for use later */
+  digest->input_token = (BYTE *) Curl_memdup(chlg, chlglen + 1);
+  if(!digest->input_token)
+    return CURLE_OUT_OF_MEMORY;
+
+  digest->input_token_len = chlglen;
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_auth_create_digest_http_message()
+ *
+ * This is used to generate a HTTP DIGEST response message ready for sending
+ * to the recipient.
+ *
+ * Parameters:
+ *
+ * data    [in]     - The session handle.
+ * userp   [in]     - The user name in the format User or Domain\User.
+ * passwdp [in]     - The user's password.
+ * request [in]     - The HTTP request.
+ * uripath [in]     - The path of the HTTP uri.
+ * digest  [in/out] - The digest data struct being used and modified.
+ * outptr  [in/out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen  [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
+                                              const char *userp,
+                                              const char *passwdp,
+                                              const unsigned char *request,
+                                              const unsigned char *uripath,
+                                              struct digestdata *digest,
+                                              char **outptr, size_t *outlen)
+{
+  size_t token_max;
+  char *resp;
+  BYTE *output_token;
+  size_t output_token_len = 0;
+  PSecPkgInfo SecurityPackage;
+  SecBuffer chlg_buf[5];
+  SecBufferDesc chlg_desc;
+  SECURITY_STATUS status;
+
+  (void) data;
+
+  /* Query the security package for DigestSSP */
+  status = s_pSecFn->QuerySecurityPackageInfo((TCHAR *) TEXT(SP_NAME_DIGEST),
+                                              &SecurityPackage);
+  if(status != SEC_E_OK)
+    return CURLE_NOT_BUILT_IN;
+
+  token_max = SecurityPackage->cbMaxToken;
+
+  /* Release the package buffer as it is not required anymore */
+  s_pSecFn->FreeContextBuffer(SecurityPackage);
+
+  /* Allocate the output buffer according to the max token size as indicated
+     by the security package */
+  output_token = malloc(token_max);
+  if(!output_token) {
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  /* If the user/passwd that was used to make the identity for http_context
+     has changed then delete that context. */
+  if((userp && !digest->user) || (!userp && digest->user) ||
+     (passwdp && !digest->passwd) || (!passwdp && digest->passwd) ||
+     (userp && digest->user && strcmp(userp, digest->user)) ||
+     (passwdp && digest->passwd && strcmp(passwdp, digest->passwd))) {
+    if(digest->http_context) {
+      s_pSecFn->DeleteSecurityContext(digest->http_context);
+      Curl_safefree(digest->http_context);
+    }
+    Curl_safefree(digest->user);
+    Curl_safefree(digest->passwd);
+  }
+
+  if(digest->http_context) {
+    chlg_desc.ulVersion    = SECBUFFER_VERSION;
+    chlg_desc.cBuffers     = 5;
+    chlg_desc.pBuffers     = chlg_buf;
+    chlg_buf[0].BufferType = SECBUFFER_TOKEN;
+    chlg_buf[0].pvBuffer   = NULL;
+    chlg_buf[0].cbBuffer   = 0;
+    chlg_buf[1].BufferType = SECBUFFER_PKG_PARAMS;
+    chlg_buf[1].pvBuffer   = (void *) request;
+    chlg_buf[1].cbBuffer   = curlx_uztoul(strlen((const char *) request));
+    chlg_buf[2].BufferType = SECBUFFER_PKG_PARAMS;
+    chlg_buf[2].pvBuffer   = (void *) uripath;
+    chlg_buf[2].cbBuffer   = curlx_uztoul(strlen((const char *) uripath));
+    chlg_buf[3].BufferType = SECBUFFER_PKG_PARAMS;
+    chlg_buf[3].pvBuffer   = NULL;
+    chlg_buf[3].cbBuffer   = 0;
+    chlg_buf[4].BufferType = SECBUFFER_PADDING;
+    chlg_buf[4].pvBuffer   = output_token;
+    chlg_buf[4].cbBuffer   = curlx_uztoul(token_max);
+
+    status = s_pSecFn->MakeSignature(digest->http_context, 0, &chlg_desc, 0);
+    if(status == SEC_E_OK)
+      output_token_len = chlg_buf[4].cbBuffer;
+    else { /* delete the context so a new one can be made */
+      infof(data, "digest_sspi: MakeSignature failed, error 0x%08lx\n",
+            (long)status);
+      s_pSecFn->DeleteSecurityContext(digest->http_context);
+      Curl_safefree(digest->http_context);
+    }
+  }
+
+  if(!digest->http_context) {
+    CredHandle credentials;
+    SEC_WINNT_AUTH_IDENTITY identity;
+    SEC_WINNT_AUTH_IDENTITY *p_identity;
+    SecBuffer resp_buf;
+    SecBufferDesc resp_desc;
+    unsigned long attrs;
+    TimeStamp expiry; /* For Windows 9x compatibility of SSPI calls */
+    TCHAR *spn;
+
+    /* free the copy of user/passwd used to make the previous identity */
+    Curl_safefree(digest->user);
+    Curl_safefree(digest->passwd);
+
+    if(userp && *userp) {
+      /* Populate our identity structure */
+      if(Curl_create_sspi_identity(userp, passwdp, &identity)) {
+        free(output_token);
+        return CURLE_OUT_OF_MEMORY;
+      }
+
+      /* Populate our identity domain */
+      if(Curl_override_sspi_http_realm((const char *) digest->input_token,
+                                       &identity)) {
+        free(output_token);
+        return CURLE_OUT_OF_MEMORY;
+      }
+
+      /* Allow proper cleanup of the identity structure */
+      p_identity = &identity;
+    }
+    else
+      /* Use the current Windows user */
+      p_identity = NULL;
+
+    if(userp) {
+      digest->user = strdup(userp);
+
+      if(!digest->user) {
+        free(output_token);
+        return CURLE_OUT_OF_MEMORY;
+      }
+    }
+
+    if(passwdp) {
+      digest->passwd = strdup(passwdp);
+
+      if(!digest->passwd) {
+        free(output_token);
+        Curl_safefree(digest->user);
+        return CURLE_OUT_OF_MEMORY;
+      }
+    }
+
+    /* Acquire our credentials handle */
+    status = s_pSecFn->AcquireCredentialsHandle(NULL,
+                                                (TCHAR *) TEXT(SP_NAME_DIGEST),
+                                                SECPKG_CRED_OUTBOUND, NULL,
+                                                p_identity, NULL, NULL,
+                                                &credentials, &expiry);
+    if(status != SEC_E_OK) {
+      Curl_sspi_free_identity(p_identity);
+      free(output_token);
+
+      return CURLE_LOGIN_DENIED;
+    }
+
+    /* Setup the challenge "input" security buffer if present */
+    chlg_desc.ulVersion    = SECBUFFER_VERSION;
+    chlg_desc.cBuffers     = 3;
+    chlg_desc.pBuffers     = chlg_buf;
+    chlg_buf[0].BufferType = SECBUFFER_TOKEN;
+    chlg_buf[0].pvBuffer   = digest->input_token;
+    chlg_buf[0].cbBuffer   = curlx_uztoul(digest->input_token_len);
+    chlg_buf[1].BufferType = SECBUFFER_PKG_PARAMS;
+    chlg_buf[1].pvBuffer   = (void *) request;
+    chlg_buf[1].cbBuffer   = curlx_uztoul(strlen((const char *) request));
+    chlg_buf[2].BufferType = SECBUFFER_PKG_PARAMS;
+    chlg_buf[2].pvBuffer   = NULL;
+    chlg_buf[2].cbBuffer   = 0;
+
+    /* Setup the response "output" security buffer */
+    resp_desc.ulVersion = SECBUFFER_VERSION;
+    resp_desc.cBuffers  = 1;
+    resp_desc.pBuffers  = &resp_buf;
+    resp_buf.BufferType = SECBUFFER_TOKEN;
+    resp_buf.pvBuffer   = output_token;
+    resp_buf.cbBuffer   = curlx_uztoul(token_max);
+
+    spn = Curl_convert_UTF8_to_tchar((char *) uripath);
+    if(!spn) {
+      s_pSecFn->FreeCredentialsHandle(&credentials);
+
+      Curl_sspi_free_identity(p_identity);
+      free(output_token);
+
+      return CURLE_OUT_OF_MEMORY;
+    }
+
+    /* Allocate our new context handle */
+    digest->http_context = calloc(1, sizeof(CtxtHandle));
+    if(!digest->http_context)
+      return CURLE_OUT_OF_MEMORY;
+
+    /* Generate our response message */
+    status = s_pSecFn->InitializeSecurityContext(&credentials, NULL,
+                                                 spn,
+                                                 ISC_REQ_USE_HTTP_STYLE, 0, 0,
+                                                 &chlg_desc, 0,
+                                                 digest->http_context,
+                                                 &resp_desc, &attrs, &expiry);
+    Curl_unicodefree(spn);
+
+    if(status == SEC_I_COMPLETE_NEEDED ||
+       status == SEC_I_COMPLETE_AND_CONTINUE)
+      s_pSecFn->CompleteAuthToken(&credentials, &resp_desc);
+    else if(status != SEC_E_OK && status != SEC_I_CONTINUE_NEEDED) {
+      s_pSecFn->FreeCredentialsHandle(&credentials);
+
+      Curl_sspi_free_identity(p_identity);
+      free(output_token);
+
+      Curl_safefree(digest->http_context);
+
+      return CURLE_OUT_OF_MEMORY;
+    }
+
+    output_token_len = resp_buf.cbBuffer;
+
+    s_pSecFn->FreeCredentialsHandle(&credentials);
+    Curl_sspi_free_identity(p_identity);
+  }
+
+  resp = malloc(output_token_len + 1);
+  if(!resp) {
+    free(output_token);
+
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  /* Copy the generated response */
+  memcpy(resp, output_token, output_token_len);
+  resp[output_token_len] = 0;
+
+  /* Return the response */
+  *outptr = resp;
+  *outlen = output_token_len;
+
+  /* Free the response buffer */
+  free(output_token);
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_auth_digest_cleanup()
+ *
+ * This is used to clean up the digest specific data.
+ *
+ * Parameters:
+ *
+ * digest    [in/out] - The digest data struct being cleaned up.
+ *
+ */
+void Curl_auth_digest_cleanup(struct digestdata *digest)
+{
+  /* Free the input token */
+  Curl_safefree(digest->input_token);
+
+  /* Reset any variables */
+  digest->input_token_len = 0;
+
+  /* Delete security context */
+  if(digest->http_context) {
+    s_pSecFn->DeleteSecurityContext(digest->http_context);
+    Curl_safefree(digest->http_context);
+  }
+
+  /* Free the copy of user/passwd used to make the identity for http_context */
+  Curl_safefree(digest->user);
+  Curl_safefree(digest->passwd);
+}
+
+#endif /* USE_WINDOWS_SSPI && !CURL_DISABLE_CRYPTO_AUTH */
Index: trunk/src/libs/curl-7.64.0/lib/vauth/krb5_gssapi.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vauth/krb5_gssapi.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vauth/krb5_gssapi.c	(revision 85671)
@@ -0,0 +1,401 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2014 - 2017, Steve Holme, <steve_holme@hotmail.com>.
+ * Copyright (C) 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * RFC4752 The Kerberos V5 ("GSSAPI") SASL Mechanism
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(HAVE_GSSAPI) && defined(USE_KERBEROS5)
+
+#include <curl/curl.h>
+
+#include "vauth/vauth.h"
+#include "curl_sasl.h"
+#include "urldata.h"
+#include "curl_base64.h"
+#include "curl_gssapi.h"
+#include "sendf.h"
+#include "curl_printf.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Curl_auth_is_gssapi_supported()
+ *
+ * This is used to evaluate if GSSAPI (Kerberos V5) is supported.
+ *
+ * Parameters: None
+ *
+ * Returns TRUE if Kerberos V5 is supported by the GSS-API library.
+ */
+bool Curl_auth_is_gssapi_supported(void)
+{
+  return TRUE;
+}
+
+/*
+ * Curl_auth_create_gssapi_user_message()
+ *
+ * This is used to generate an already encoded GSSAPI (Kerberos V5) user token
+ * message ready for sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data        [in]     - The session handle.
+ * userp       [in]     - The user name.
+ * passwdp     [in]     - The user's password.
+ * service     [in]     - The service type such as http, smtp, pop or imap.
+ * host        [in[     - The host name.
+ * mutual_auth [in]     - Flag specifying whether or not mutual authentication
+ *                        is enabled.
+ * chlg64      [in]     - Pointer to the optional base64 encoded challenge
+ *                        message.
+ * krb5        [in/out] - The Kerberos 5 data struct being used and modified.
+ * outptr      [in/out] - The address where a pointer to newly allocated memory
+ *                        holding the result will be stored upon completion.
+ * outlen      [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_gssapi_user_message(struct Curl_easy *data,
+                                              const char *userp,
+                                              const char *passwdp,
+                                              const char *service,
+                                              const char *host,
+                                              const bool mutual_auth,
+                                              const char *chlg64,
+                                              struct kerberos5data *krb5,
+                                              char **outptr, size_t *outlen)
+{
+  CURLcode result = CURLE_OK;
+  size_t chlglen = 0;
+  unsigned char *chlg = NULL;
+  OM_uint32 major_status;
+  OM_uint32 minor_status;
+  OM_uint32 unused_status;
+  gss_buffer_desc spn_token = GSS_C_EMPTY_BUFFER;
+  gss_buffer_desc input_token = GSS_C_EMPTY_BUFFER;
+  gss_buffer_desc output_token = GSS_C_EMPTY_BUFFER;
+
+  (void) userp;
+  (void) passwdp;
+
+  if(!krb5->spn) {
+    /* Generate our SPN */
+    char *spn = Curl_auth_build_spn(service, NULL, host);
+    if(!spn)
+      return CURLE_OUT_OF_MEMORY;
+
+    /* Populate the SPN structure */
+    spn_token.value = spn;
+    spn_token.length = strlen(spn);
+
+    /* Import the SPN */
+    major_status = gss_import_name(&minor_status, &spn_token,
+                                   GSS_C_NT_HOSTBASED_SERVICE, &krb5->spn);
+    if(GSS_ERROR(major_status)) {
+      Curl_gss_log_error(data, "gss_import_name() failed: ",
+                         major_status, minor_status);
+
+      free(spn);
+
+      return CURLE_OUT_OF_MEMORY;
+    }
+
+    free(spn);
+  }
+
+  if(chlg64 && *chlg64) {
+    /* Decode the base-64 encoded challenge message */
+    if(*chlg64 != '=') {
+      result = Curl_base64_decode(chlg64, &chlg, &chlglen);
+      if(result)
+        return result;
+    }
+
+    /* Ensure we have a valid challenge message */
+    if(!chlg) {
+      infof(data, "GSSAPI handshake failure (empty challenge message)\n");
+
+      return CURLE_BAD_CONTENT_ENCODING;
+    }
+
+    /* Setup the challenge "input" security buffer */
+    input_token.value = chlg;
+    input_token.length = chlglen;
+  }
+
+  major_status = Curl_gss_init_sec_context(data,
+                                           &minor_status,
+                                           &krb5->context,
+                                           krb5->spn,
+                                           &Curl_krb5_mech_oid,
+                                           GSS_C_NO_CHANNEL_BINDINGS,
+                                           &input_token,
+                                           &output_token,
+                                           mutual_auth,
+                                           NULL);
+
+  /* Free the decoded challenge as it is not required anymore */
+  free(input_token.value);
+
+  if(GSS_ERROR(major_status)) {
+    if(output_token.value)
+      gss_release_buffer(&unused_status, &output_token);
+
+    Curl_gss_log_error(data, "gss_init_sec_context() failed: ",
+                       major_status, minor_status);
+
+    return CURLE_RECV_ERROR;
+  }
+
+  if(output_token.value && output_token.length) {
+    /* Base64 encode the response */
+    result = Curl_base64_encode(data, (char *) output_token.value,
+                                output_token.length, outptr, outlen);
+
+    gss_release_buffer(&unused_status, &output_token);
+  }
+  else if(mutual_auth) {
+    *outptr = strdup("");
+    if(!*outptr)
+      result = CURLE_OUT_OF_MEMORY;
+  }
+
+  return result;
+}
+
+/*
+ * Curl_auth_create_gssapi_security_message()
+ *
+ * This is used to generate an already encoded GSSAPI (Kerberos V5) security
+ * token message ready for sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data    [in]     - The session handle.
+ * chlg64  [in]     - Pointer to the optional base64 encoded challenge message.
+ * krb5    [in/out] - The Kerberos 5 data struct being used and modified.
+ * outptr  [in/out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen  [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_gssapi_security_message(struct Curl_easy *data,
+                                                  const char *chlg64,
+                                                  struct kerberos5data *krb5,
+                                                  char **outptr,
+                                                  size_t *outlen)
+{
+  CURLcode result = CURLE_OK;
+  size_t chlglen = 0;
+  size_t messagelen = 0;
+  unsigned char *chlg = NULL;
+  unsigned char *message = NULL;
+  OM_uint32 major_status;
+  OM_uint32 minor_status;
+  OM_uint32 unused_status;
+  gss_buffer_desc input_token = GSS_C_EMPTY_BUFFER;
+  gss_buffer_desc output_token = GSS_C_EMPTY_BUFFER;
+  unsigned int indata = 0;
+  unsigned int outdata = 0;
+  gss_qop_t qop = GSS_C_QOP_DEFAULT;
+  unsigned int sec_layer = 0;
+  unsigned int max_size = 0;
+  gss_name_t username = GSS_C_NO_NAME;
+  gss_buffer_desc username_token;
+
+  /* Decode the base-64 encoded input message */
+  if(strlen(chlg64) && *chlg64 != '=') {
+    result = Curl_base64_decode(chlg64, &chlg, &chlglen);
+    if(result)
+      return result;
+  }
+
+  /* Ensure we have a valid challenge message */
+  if(!chlg) {
+    infof(data, "GSSAPI handshake failure (empty security message)\n");
+
+    return CURLE_BAD_CONTENT_ENCODING;
+  }
+
+  /* Get the fully qualified username back from the context */
+  major_status = gss_inquire_context(&minor_status, krb5->context,
+                                     &username, NULL, NULL, NULL, NULL,
+                                     NULL, NULL);
+  if(GSS_ERROR(major_status)) {
+    Curl_gss_log_error(data, "gss_inquire_context() failed: ",
+                       major_status, minor_status);
+
+    free(chlg);
+
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  /* Convert the username from internal format to a displayable token */
+  major_status = gss_display_name(&minor_status, username,
+                                  &username_token, NULL);
+  if(GSS_ERROR(major_status)) {
+    Curl_gss_log_error(data, "gss_display_name() failed: ",
+                       major_status, minor_status);
+
+    free(chlg);
+
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  /* Setup the challenge "input" security buffer */
+  input_token.value = chlg;
+  input_token.length = chlglen;
+
+  /* Decrypt the inbound challenge and obtain the qop */
+  major_status = gss_unwrap(&minor_status, krb5->context, &input_token,
+                            &output_token, NULL, &qop);
+  if(GSS_ERROR(major_status)) {
+    Curl_gss_log_error(data, "gss_unwrap() failed: ",
+                       major_status, minor_status);
+
+    gss_release_buffer(&unused_status, &username_token);
+    free(chlg);
+
+    return CURLE_BAD_CONTENT_ENCODING;
+  }
+
+  /* Not 4 octets long so fail as per RFC4752 Section 3.1 */
+  if(output_token.length != 4) {
+    infof(data, "GSSAPI handshake failure (invalid security data)\n");
+
+    gss_release_buffer(&unused_status, &username_token);
+    free(chlg);
+
+    return CURLE_BAD_CONTENT_ENCODING;
+  }
+
+  /* Copy the data out and free the challenge as it is not required anymore */
+  memcpy(&indata, output_token.value, 4);
+  gss_release_buffer(&unused_status, &output_token);
+  free(chlg);
+
+  /* Extract the security layer */
+  sec_layer = indata & 0x000000FF;
+  if(!(sec_layer & GSSAUTH_P_NONE)) {
+    infof(data, "GSSAPI handshake failure (invalid security layer)\n");
+
+    gss_release_buffer(&unused_status, &username_token);
+
+    return CURLE_BAD_CONTENT_ENCODING;
+  }
+
+  /* Extract the maximum message size the server can receive */
+  max_size = ntohl(indata & 0xFFFFFF00);
+  if(max_size > 0) {
+    /* The server has told us it supports a maximum receive buffer, however, as
+       we don't require one unless we are encrypting data, we tell the server
+       our receive buffer is zero. */
+    max_size = 0;
+  }
+
+  /* Allocate our message */
+  messagelen = sizeof(outdata) + username_token.length + 1;
+  message = malloc(messagelen);
+  if(!message) {
+    gss_release_buffer(&unused_status, &username_token);
+
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  /* Populate the message with the security layer, client supported receive
+     message size and authorization identity including the 0x00 based
+     terminator. Note: Despite RFC4752 Section 3.1 stating "The authorization
+     identity is not terminated with the zero-valued (%x00) octet." it seems
+     necessary to include it. */
+  outdata = htonl(max_size) | sec_layer;
+  memcpy(message, &outdata, sizeof(outdata));
+  memcpy(message + sizeof(outdata), username_token.value,
+         username_token.length);
+  message[messagelen - 1] = '\0';
+
+  /* Free the username token as it is not required anymore */
+  gss_release_buffer(&unused_status, &username_token);
+
+  /* Setup the "authentication data" security buffer */
+  input_token.value = message;
+  input_token.length = messagelen;
+
+  /* Encrypt the data */
+  major_status = gss_wrap(&minor_status, krb5->context, 0,
+                          GSS_C_QOP_DEFAULT, &input_token, NULL,
+                          &output_token);
+  if(GSS_ERROR(major_status)) {
+    Curl_gss_log_error(data, "gss_wrap() failed: ",
+                       major_status, minor_status);
+
+    free(message);
+
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  /* Base64 encode the response */
+  result = Curl_base64_encode(data, (char *) output_token.value,
+                              output_token.length, outptr, outlen);
+
+  /* Free the output buffer */
+  gss_release_buffer(&unused_status, &output_token);
+
+  /* Free the message buffer */
+  free(message);
+
+  return result;
+}
+
+/*
+ * Curl_auth_gssapi_cleanup()
+ *
+ * This is used to clean up the GSSAPI (Kerberos V5) specific data.
+ *
+ * Parameters:
+ *
+ * krb5     [in/out] - The Kerberos 5 data struct being cleaned up.
+ *
+ */
+void Curl_auth_gssapi_cleanup(struct kerberos5data *krb5)
+{
+  OM_uint32 minor_status;
+
+  /* Free our security context */
+  if(krb5->context != GSS_C_NO_CONTEXT) {
+    gss_delete_sec_context(&minor_status, &krb5->context, GSS_C_NO_BUFFER);
+    krb5->context = GSS_C_NO_CONTEXT;
+  }
+
+  /* Free the SPN */
+  if(krb5->spn != GSS_C_NO_NAME) {
+    gss_release_name(&minor_status, &krb5->spn);
+    krb5->spn = GSS_C_NO_NAME;
+  }
+}
+
+#endif /* HAVE_GSSAPI && USE_KERBEROS5 */
Index: trunk/src/libs/curl-7.64.0/lib/vauth/krb5_sspi.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vauth/krb5_sspi.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vauth/krb5_sspi.c	(revision 85671)
@@ -0,0 +1,514 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2014 - 2017, Steve Holme, <steve_holme@hotmail.com>.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * RFC4752 The Kerberos V5 ("GSSAPI") SASL Mechanism
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(USE_WINDOWS_SSPI) && defined(USE_KERBEROS5)
+
+#include <curl/curl.h>
+
+#include "vauth/vauth.h"
+#include "urldata.h"
+#include "curl_base64.h"
+#include "warnless.h"
+#include "curl_multibyte.h"
+#include "sendf.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Curl_auth_is_gssapi_supported()
+ *
+ * This is used to evaluate if GSSAPI (Kerberos V5) is supported.
+ *
+ * Parameters: None
+ *
+ * Returns TRUE if Kerberos V5 is supported by Windows SSPI.
+ */
+bool Curl_auth_is_gssapi_supported(void)
+{
+  PSecPkgInfo SecurityPackage;
+  SECURITY_STATUS status;
+
+  /* Query the security package for Kerberos */
+  status = s_pSecFn->QuerySecurityPackageInfo((TCHAR *)
+                                              TEXT(SP_NAME_KERBEROS),
+                                              &SecurityPackage);
+
+  return (status == SEC_E_OK ? TRUE : FALSE);
+}
+
+/*
+ * Curl_auth_create_gssapi_user_message()
+ *
+ * This is used to generate an already encoded GSSAPI (Kerberos V5) user token
+ * message ready for sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data        [in]     - The session handle.
+ * userp       [in]     - The user name in the format User or Domain\User.
+ * passwdp     [in]     - The user's password.
+ * service     [in]     - The service type such as http, smtp, pop or imap.
+ * host        [in]     - The host name.
+ * mutual_auth [in]     - Flag specifying whether or not mutual authentication
+ *                        is enabled.
+ * chlg64      [in]     - The optional base64 encoded challenge message.
+ * krb5        [in/out] - The Kerberos 5 data struct being used and modified.
+ * outptr      [in/out] - The address where a pointer to newly allocated memory
+ *                        holding the result will be stored upon completion.
+ * outlen      [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_gssapi_user_message(struct Curl_easy *data,
+                                              const char *userp,
+                                              const char *passwdp,
+                                              const char *service,
+                                              const char *host,
+                                              const bool mutual_auth,
+                                              const char *chlg64,
+                                              struct kerberos5data *krb5,
+                                              char **outptr, size_t *outlen)
+{
+  CURLcode result = CURLE_OK;
+  size_t chlglen = 0;
+  unsigned char *chlg = NULL;
+  CtxtHandle context;
+  PSecPkgInfo SecurityPackage;
+  SecBuffer chlg_buf;
+  SecBuffer resp_buf;
+  SecBufferDesc chlg_desc;
+  SecBufferDesc resp_desc;
+  SECURITY_STATUS status;
+  unsigned long attrs;
+  TimeStamp expiry; /* For Windows 9x compatibility of SSPI calls */
+
+  if(!krb5->spn) {
+    /* Generate our SPN */
+    krb5->spn = Curl_auth_build_spn(service, host, NULL);
+    if(!krb5->spn)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  if(!krb5->output_token) {
+    /* Query the security package for Kerberos */
+    status = s_pSecFn->QuerySecurityPackageInfo((TCHAR *)
+                                                TEXT(SP_NAME_KERBEROS),
+                                                &SecurityPackage);
+    if(status != SEC_E_OK) {
+      return CURLE_NOT_BUILT_IN;
+    }
+
+    krb5->token_max = SecurityPackage->cbMaxToken;
+
+    /* Release the package buffer as it is not required anymore */
+    s_pSecFn->FreeContextBuffer(SecurityPackage);
+
+    /* Allocate our response buffer */
+    krb5->output_token = malloc(krb5->token_max);
+    if(!krb5->output_token)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  if(!krb5->credentials) {
+    /* Do we have credentials to use or are we using single sign-on? */
+    if(userp && *userp) {
+      /* Populate our identity structure */
+      result = Curl_create_sspi_identity(userp, passwdp, &krb5->identity);
+      if(result)
+        return result;
+
+      /* Allow proper cleanup of the identity structure */
+      krb5->p_identity = &krb5->identity;
+    }
+    else
+      /* Use the current Windows user */
+      krb5->p_identity = NULL;
+
+    /* Allocate our credentials handle */
+    krb5->credentials = calloc(1, sizeof(CredHandle));
+    if(!krb5->credentials)
+      return CURLE_OUT_OF_MEMORY;
+
+    /* Acquire our credentials handle */
+    status = s_pSecFn->AcquireCredentialsHandle(NULL,
+                                                (TCHAR *)
+                                                TEXT(SP_NAME_KERBEROS),
+                                                SECPKG_CRED_OUTBOUND, NULL,
+                                                krb5->p_identity, NULL, NULL,
+                                                krb5->credentials, &expiry);
+    if(status != SEC_E_OK)
+      return CURLE_LOGIN_DENIED;
+
+    /* Allocate our new context handle */
+    krb5->context = calloc(1, sizeof(CtxtHandle));
+    if(!krb5->context)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  if(chlg64 && *chlg64) {
+    /* Decode the base-64 encoded challenge message */
+    if(*chlg64 != '=') {
+      result = Curl_base64_decode(chlg64, &chlg, &chlglen);
+      if(result)
+        return result;
+    }
+
+    /* Ensure we have a valid challenge message */
+    if(!chlg) {
+      infof(data, "GSSAPI handshake failure (empty challenge message)\n");
+
+      return CURLE_BAD_CONTENT_ENCODING;
+    }
+
+    /* Setup the challenge "input" security buffer */
+    chlg_desc.ulVersion = SECBUFFER_VERSION;
+    chlg_desc.cBuffers  = 1;
+    chlg_desc.pBuffers  = &chlg_buf;
+    chlg_buf.BufferType = SECBUFFER_TOKEN;
+    chlg_buf.pvBuffer   = chlg;
+    chlg_buf.cbBuffer   = curlx_uztoul(chlglen);
+  }
+
+  /* Setup the response "output" security buffer */
+  resp_desc.ulVersion = SECBUFFER_VERSION;
+  resp_desc.cBuffers  = 1;
+  resp_desc.pBuffers  = &resp_buf;
+  resp_buf.BufferType = SECBUFFER_TOKEN;
+  resp_buf.pvBuffer   = krb5->output_token;
+  resp_buf.cbBuffer   = curlx_uztoul(krb5->token_max);
+
+  /* Generate our challenge-response message */
+  status = s_pSecFn->InitializeSecurityContext(krb5->credentials,
+                                               chlg ? krb5->context : NULL,
+                                               krb5->spn,
+                                               (mutual_auth ?
+                                                ISC_REQ_MUTUAL_AUTH : 0),
+                                               0, SECURITY_NATIVE_DREP,
+                                               chlg ? &chlg_desc : NULL, 0,
+                                               &context,
+                                               &resp_desc, &attrs,
+                                               &expiry);
+
+  /* Free the decoded challenge as it is not required anymore */
+  free(chlg);
+
+  if(status != SEC_E_OK && status != SEC_I_CONTINUE_NEEDED) {
+    return CURLE_RECV_ERROR;
+  }
+
+  if(memcmp(&context, krb5->context, sizeof(context))) {
+    s_pSecFn->DeleteSecurityContext(krb5->context);
+
+    memcpy(krb5->context, &context, sizeof(context));
+  }
+
+  if(resp_buf.cbBuffer) {
+    /* Base64 encode the response */
+    result = Curl_base64_encode(data, (char *) resp_buf.pvBuffer,
+                                resp_buf.cbBuffer, outptr, outlen);
+  }
+  else if(mutual_auth) {
+    *outptr = strdup("");
+    if(!*outptr)
+      result = CURLE_OUT_OF_MEMORY;
+  }
+
+  return result;
+}
+
+/*
+ * Curl_auth_create_gssapi_security_message()
+ *
+ * This is used to generate an already encoded GSSAPI (Kerberos V5) security
+ * token message ready for sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data    [in]     - The session handle.
+ * chlg64  [in]     - The optional base64 encoded challenge message.
+ * krb5    [in/out] - The Kerberos 5 data struct being used and modified.
+ * outptr  [in/out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen  [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_gssapi_security_message(struct Curl_easy *data,
+                                                  const char *chlg64,
+                                                  struct kerberos5data *krb5,
+                                                  char **outptr,
+                                                  size_t *outlen)
+{
+  CURLcode result = CURLE_OK;
+  size_t offset = 0;
+  size_t chlglen = 0;
+  size_t messagelen = 0;
+  size_t appdatalen = 0;
+  unsigned char *chlg = NULL;
+  unsigned char *trailer = NULL;
+  unsigned char *message = NULL;
+  unsigned char *padding = NULL;
+  unsigned char *appdata = NULL;
+  SecBuffer input_buf[2];
+  SecBuffer wrap_buf[3];
+  SecBufferDesc input_desc;
+  SecBufferDesc wrap_desc;
+  unsigned long indata = 0;
+  unsigned long outdata = 0;
+  unsigned long qop = 0;
+  unsigned long sec_layer = 0;
+  unsigned long max_size = 0;
+  SecPkgContext_Sizes sizes;
+  SecPkgCredentials_Names names;
+  SECURITY_STATUS status;
+  char *user_name;
+
+  /* Decode the base-64 encoded input message */
+  if(strlen(chlg64) && *chlg64 != '=') {
+    result = Curl_base64_decode(chlg64, &chlg, &chlglen);
+    if(result)
+      return result;
+  }
+
+  /* Ensure we have a valid challenge message */
+  if(!chlg) {
+    infof(data, "GSSAPI handshake failure (empty security message)\n");
+
+    return CURLE_BAD_CONTENT_ENCODING;
+  }
+
+  /* Get our response size information */
+  status = s_pSecFn->QueryContextAttributes(krb5->context,
+                                            SECPKG_ATTR_SIZES,
+                                            &sizes);
+  if(status != SEC_E_OK) {
+    free(chlg);
+
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  /* Get the fully qualified username back from the context */
+  status = s_pSecFn->QueryCredentialsAttributes(krb5->credentials,
+                                                SECPKG_CRED_ATTR_NAMES,
+                                                &names);
+  if(status != SEC_E_OK) {
+    free(chlg);
+
+    return CURLE_RECV_ERROR;
+  }
+
+  /* Setup the "input" security buffer */
+  input_desc.ulVersion = SECBUFFER_VERSION;
+  input_desc.cBuffers = 2;
+  input_desc.pBuffers = input_buf;
+  input_buf[0].BufferType = SECBUFFER_STREAM;
+  input_buf[0].pvBuffer = chlg;
+  input_buf[0].cbBuffer = curlx_uztoul(chlglen);
+  input_buf[1].BufferType = SECBUFFER_DATA;
+  input_buf[1].pvBuffer = NULL;
+  input_buf[1].cbBuffer = 0;
+
+  /* Decrypt the inbound challenge and obtain the qop */
+  status = s_pSecFn->DecryptMessage(krb5->context, &input_desc, 0, &qop);
+  if(status != SEC_E_OK) {
+    infof(data, "GSSAPI handshake failure (empty security message)\n");
+
+    free(chlg);
+
+    return CURLE_BAD_CONTENT_ENCODING;
+  }
+
+  /* Not 4 octets long so fail as per RFC4752 Section 3.1 */
+  if(input_buf[1].cbBuffer != 4) {
+    infof(data, "GSSAPI handshake failure (invalid security data)\n");
+
+    free(chlg);
+
+    return CURLE_BAD_CONTENT_ENCODING;
+  }
+
+  /* Copy the data out and free the challenge as it is not required anymore */
+  memcpy(&indata, input_buf[1].pvBuffer, 4);
+  s_pSecFn->FreeContextBuffer(input_buf[1].pvBuffer);
+  free(chlg);
+
+  /* Extract the security layer */
+  sec_layer = indata & 0x000000FF;
+  if(!(sec_layer & KERB_WRAP_NO_ENCRYPT)) {
+    infof(data, "GSSAPI handshake failure (invalid security layer)\n");
+
+    return CURLE_BAD_CONTENT_ENCODING;
+  }
+
+  /* Extract the maximum message size the server can receive */
+  max_size = ntohl(indata & 0xFFFFFF00);
+  if(max_size > 0) {
+    /* The server has told us it supports a maximum receive buffer, however, as
+       we don't require one unless we are encrypting data, we tell the server
+       our receive buffer is zero. */
+    max_size = 0;
+  }
+
+  /* Allocate the trailer */
+  trailer = malloc(sizes.cbSecurityTrailer);
+  if(!trailer)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Convert the user name to UTF8 when operating with Unicode */
+  user_name = Curl_convert_tchar_to_UTF8(names.sUserName);
+  if(!user_name) {
+    free(trailer);
+
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  /* Allocate our message */
+  messagelen = sizeof(outdata) + strlen(user_name) + 1;
+  message = malloc(messagelen);
+  if(!message) {
+    free(trailer);
+    Curl_unicodefree(user_name);
+
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  /* Populate the message with the security layer, client supported receive
+     message size and authorization identity including the 0x00 based
+     terminator. Note: Despite RFC4752 Section 3.1 stating "The authorization
+     identity is not terminated with the zero-valued (%x00) octet." it seems
+     necessary to include it. */
+  outdata = htonl(max_size) | sec_layer;
+  memcpy(message, &outdata, sizeof(outdata));
+  strcpy((char *) message + sizeof(outdata), user_name);
+  Curl_unicodefree(user_name);
+
+  /* Allocate the padding */
+  padding = malloc(sizes.cbBlockSize);
+  if(!padding) {
+    free(message);
+    free(trailer);
+
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  /* Setup the "authentication data" security buffer */
+  wrap_desc.ulVersion    = SECBUFFER_VERSION;
+  wrap_desc.cBuffers     = 3;
+  wrap_desc.pBuffers     = wrap_buf;
+  wrap_buf[0].BufferType = SECBUFFER_TOKEN;
+  wrap_buf[0].pvBuffer   = trailer;
+  wrap_buf[0].cbBuffer   = sizes.cbSecurityTrailer;
+  wrap_buf[1].BufferType = SECBUFFER_DATA;
+  wrap_buf[1].pvBuffer   = message;
+  wrap_buf[1].cbBuffer   = curlx_uztoul(messagelen);
+  wrap_buf[2].BufferType = SECBUFFER_PADDING;
+  wrap_buf[2].pvBuffer   = padding;
+  wrap_buf[2].cbBuffer   = sizes.cbBlockSize;
+
+  /* Encrypt the data */
+  status = s_pSecFn->EncryptMessage(krb5->context, KERB_WRAP_NO_ENCRYPT,
+                                    &wrap_desc, 0);
+  if(status != SEC_E_OK) {
+    free(padding);
+    free(message);
+    free(trailer);
+
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  /* Allocate the encryption (wrap) buffer */
+  appdatalen = wrap_buf[0].cbBuffer + wrap_buf[1].cbBuffer +
+               wrap_buf[2].cbBuffer;
+  appdata = malloc(appdatalen);
+  if(!appdata) {
+    free(padding);
+    free(message);
+    free(trailer);
+
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  /* Populate the encryption buffer */
+  memcpy(appdata, wrap_buf[0].pvBuffer, wrap_buf[0].cbBuffer);
+  offset += wrap_buf[0].cbBuffer;
+  memcpy(appdata + offset, wrap_buf[1].pvBuffer, wrap_buf[1].cbBuffer);
+  offset += wrap_buf[1].cbBuffer;
+  memcpy(appdata + offset, wrap_buf[2].pvBuffer, wrap_buf[2].cbBuffer);
+
+  /* Base64 encode the response */
+  result = Curl_base64_encode(data, (char *) appdata, appdatalen, outptr,
+                              outlen);
+
+  /* Free all of our local buffers */
+  free(appdata);
+  free(padding);
+  free(message);
+  free(trailer);
+
+  return result;
+}
+
+/*
+ * Curl_auth_gssapi_cleanup()
+ *
+ * This is used to clean up the GSSAPI (Kerberos V5) specific data.
+ *
+ * Parameters:
+ *
+ * krb5     [in/out] - The Kerberos 5 data struct being cleaned up.
+ *
+ */
+void Curl_auth_gssapi_cleanup(struct kerberos5data *krb5)
+{
+  /* Free our security context */
+  if(krb5->context) {
+    s_pSecFn->DeleteSecurityContext(krb5->context);
+    free(krb5->context);
+    krb5->context = NULL;
+  }
+
+  /* Free our credentials handle */
+  if(krb5->credentials) {
+    s_pSecFn->FreeCredentialsHandle(krb5->credentials);
+    free(krb5->credentials);
+    krb5->credentials = NULL;
+  }
+
+  /* Free our identity */
+  Curl_sspi_free_identity(krb5->p_identity);
+  krb5->p_identity = NULL;
+
+  /* Free the SPN and output token */
+  Curl_safefree(krb5->spn);
+  Curl_safefree(krb5->output_token);
+
+  /* Reset any variables */
+  krb5->token_max = 0;
+}
+
+#endif /* USE_WINDOWS_SSPI && USE_KERBEROS5*/
Index: trunk/src/libs/curl-7.64.0/lib/vauth/ntlm.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vauth/ntlm.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vauth/ntlm.c	(revision 85671)
@@ -0,0 +1,871 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(USE_NTLM) && !defined(USE_WINDOWS_SSPI)
+
+/*
+ * NTLM details:
+ *
+ * https://davenport.sourceforge.io/ntlm.html
+ * https://www.innovation.ch/java/ntlm.html
+ */
+
+#define DEBUG_ME 0
+
+#include "urldata.h"
+#include "non-ascii.h"
+#include "sendf.h"
+#include "curl_base64.h"
+#include "curl_ntlm_core.h"
+#include "curl_gethostname.h"
+#include "curl_multibyte.h"
+#include "warnless.h"
+#include "rand.h"
+#include "vtls/vtls.h"
+
+/* SSL backend-specific #if branches in this file must be kept in the order
+   documented in curl_ntlm_core. */
+#if defined(NTLM_NEEDS_NSS_INIT)
+#include "vtls/nssg.h" /* for Curl_nss_force_init() */
+#endif
+
+#define BUILDING_CURL_NTLM_MSGS_C
+#include "vauth/vauth.h"
+#include "vauth/ntlm.h"
+#include "curl_endian.h"
+#include "curl_printf.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* "NTLMSSP" signature is always in ASCII regardless of the platform */
+#define NTLMSSP_SIGNATURE "\x4e\x54\x4c\x4d\x53\x53\x50"
+
+#define SHORTPAIR(x) ((int)((x) & 0xff)), ((int)(((x) >> 8) & 0xff))
+#define LONGQUARTET(x) ((int)((x) & 0xff)), ((int)(((x) >> 8) & 0xff)), \
+  ((int)(((x) >> 16) & 0xff)), ((int)(((x) >> 24) & 0xff))
+
+#if DEBUG_ME
+# define DEBUG_OUT(x) x
+static void ntlm_print_flags(FILE *handle, unsigned long flags)
+{
+  if(flags & NTLMFLAG_NEGOTIATE_UNICODE)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_UNICODE ");
+  if(flags & NTLMFLAG_NEGOTIATE_OEM)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_OEM ");
+  if(flags & NTLMFLAG_REQUEST_TARGET)
+    fprintf(handle, "NTLMFLAG_REQUEST_TARGET ");
+  if(flags & (1<<3))
+    fprintf(handle, "NTLMFLAG_UNKNOWN_3 ");
+  if(flags & NTLMFLAG_NEGOTIATE_SIGN)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_SIGN ");
+  if(flags & NTLMFLAG_NEGOTIATE_SEAL)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_SEAL ");
+  if(flags & NTLMFLAG_NEGOTIATE_DATAGRAM_STYLE)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_DATAGRAM_STYLE ");
+  if(flags & NTLMFLAG_NEGOTIATE_LM_KEY)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_LM_KEY ");
+  if(flags & NTLMFLAG_NEGOTIATE_NETWARE)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_NETWARE ");
+  if(flags & NTLMFLAG_NEGOTIATE_NTLM_KEY)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_NTLM_KEY ");
+  if(flags & (1<<10))
+    fprintf(handle, "NTLMFLAG_UNKNOWN_10 ");
+  if(flags & NTLMFLAG_NEGOTIATE_ANONYMOUS)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_ANONYMOUS ");
+  if(flags & NTLMFLAG_NEGOTIATE_DOMAIN_SUPPLIED)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_DOMAIN_SUPPLIED ");
+  if(flags & NTLMFLAG_NEGOTIATE_WORKSTATION_SUPPLIED)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_WORKSTATION_SUPPLIED ");
+  if(flags & NTLMFLAG_NEGOTIATE_LOCAL_CALL)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_LOCAL_CALL ");
+  if(flags & NTLMFLAG_NEGOTIATE_ALWAYS_SIGN)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_ALWAYS_SIGN ");
+  if(flags & NTLMFLAG_TARGET_TYPE_DOMAIN)
+    fprintf(handle, "NTLMFLAG_TARGET_TYPE_DOMAIN ");
+  if(flags & NTLMFLAG_TARGET_TYPE_SERVER)
+    fprintf(handle, "NTLMFLAG_TARGET_TYPE_SERVER ");
+  if(flags & NTLMFLAG_TARGET_TYPE_SHARE)
+    fprintf(handle, "NTLMFLAG_TARGET_TYPE_SHARE ");
+  if(flags & NTLMFLAG_NEGOTIATE_NTLM2_KEY)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_NTLM2_KEY ");
+  if(flags & NTLMFLAG_REQUEST_INIT_RESPONSE)
+    fprintf(handle, "NTLMFLAG_REQUEST_INIT_RESPONSE ");
+  if(flags & NTLMFLAG_REQUEST_ACCEPT_RESPONSE)
+    fprintf(handle, "NTLMFLAG_REQUEST_ACCEPT_RESPONSE ");
+  if(flags & NTLMFLAG_REQUEST_NONNT_SESSION_KEY)
+    fprintf(handle, "NTLMFLAG_REQUEST_NONNT_SESSION_KEY ");
+  if(flags & NTLMFLAG_NEGOTIATE_TARGET_INFO)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_TARGET_INFO ");
+  if(flags & (1<<24))
+    fprintf(handle, "NTLMFLAG_UNKNOWN_24 ");
+  if(flags & (1<<25))
+    fprintf(handle, "NTLMFLAG_UNKNOWN_25 ");
+  if(flags & (1<<26))
+    fprintf(handle, "NTLMFLAG_UNKNOWN_26 ");
+  if(flags & (1<<27))
+    fprintf(handle, "NTLMFLAG_UNKNOWN_27 ");
+  if(flags & (1<<28))
+    fprintf(handle, "NTLMFLAG_UNKNOWN_28 ");
+  if(flags & NTLMFLAG_NEGOTIATE_128)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_128 ");
+  if(flags & NTLMFLAG_NEGOTIATE_KEY_EXCHANGE)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_KEY_EXCHANGE ");
+  if(flags & NTLMFLAG_NEGOTIATE_56)
+    fprintf(handle, "NTLMFLAG_NEGOTIATE_56 ");
+}
+
+static void ntlm_print_hex(FILE *handle, const char *buf, size_t len)
+{
+  const char *p = buf;
+
+  (void) handle;
+
+  fprintf(stderr, "0x");
+  while(len-- > 0)
+    fprintf(stderr, "%02.2x", (unsigned int)*p++);
+}
+#else
+# define DEBUG_OUT(x) Curl_nop_stmt
+#endif
+
+/*
+ * ntlm_decode_type2_target()
+ *
+ * This is used to decode the "target info" in the NTLM type-2 message
+ * received.
+ *
+ * Parameters:
+ *
+ * data      [in]     - The session handle.
+ * buffer    [in]     - The decoded type-2 message.
+ * size      [in]     - The input buffer size, at least 32 bytes.
+ * ntlm      [in/out] - The NTLM data struct being used and modified.
+ *
+ * Returns CURLE_OK on success.
+ */
+static CURLcode ntlm_decode_type2_target(struct Curl_easy *data,
+                                         unsigned char *buffer,
+                                         size_t size,
+                                         struct ntlmdata *ntlm)
+{
+  unsigned short target_info_len = 0;
+  unsigned int target_info_offset = 0;
+
+#if defined(CURL_DISABLE_VERBOSE_STRINGS)
+  (void) data;
+#endif
+
+  if(size >= 48) {
+    target_info_len = Curl_read16_le(&buffer[40]);
+    target_info_offset = Curl_read32_le(&buffer[44]);
+    if(target_info_len > 0) {
+      if((target_info_offset >= size) ||
+         ((target_info_offset + target_info_len) > size) ||
+         (target_info_offset < 48)) {
+        infof(data, "NTLM handshake failure (bad type-2 message). "
+              "Target Info Offset Len is set incorrect by the peer\n");
+        return CURLE_BAD_CONTENT_ENCODING;
+      }
+
+      ntlm->target_info = malloc(target_info_len);
+      if(!ntlm->target_info)
+        return CURLE_OUT_OF_MEMORY;
+
+      memcpy(ntlm->target_info, &buffer[target_info_offset], target_info_len);
+    }
+  }
+
+  ntlm->target_info_len = target_info_len;
+
+  return CURLE_OK;
+}
+
+/*
+  NTLM message structure notes:
+
+  A 'short' is a 'network short', a little-endian 16-bit unsigned value.
+
+  A 'long' is a 'network long', a little-endian, 32-bit unsigned value.
+
+  A 'security buffer' represents a triplet used to point to a buffer,
+  consisting of two shorts and one long:
+
+    1. A 'short' containing the length of the buffer content in bytes.
+    2. A 'short' containing the allocated space for the buffer in bytes.
+    3. A 'long' containing the offset to the start of the buffer in bytes,
+       from the beginning of the NTLM message.
+*/
+
+/*
+ * Curl_auth_is_ntlm_supported()
+ *
+ * This is used to evaluate if NTLM is supported.
+ *
+ * Parameters: None
+ *
+ * Returns TRUE as NTLM as handled by libcurl.
+ */
+bool Curl_auth_is_ntlm_supported(void)
+{
+  return TRUE;
+}
+
+/*
+ * Curl_auth_decode_ntlm_type2_message()
+ *
+ * This is used to decode an already encoded NTLM type-2 message. The message
+ * is first decoded from a base64 string into a raw NTLM message and checked
+ * for validity before the appropriate data for creating a type-3 message is
+ * written to the given NTLM data structure.
+ *
+ * Parameters:
+ *
+ * data     [in]     - The session handle.
+ * type2msg [in]     - The base64 encoded type-2 message.
+ * ntlm     [in/out] - The NTLM data struct being used and modified.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_decode_ntlm_type2_message(struct Curl_easy *data,
+                                             const char *type2msg,
+                                             struct ntlmdata *ntlm)
+{
+  static const char type2_marker[] = { 0x02, 0x00, 0x00, 0x00 };
+
+  /* NTLM type-2 message structure:
+
+          Index  Description            Content
+            0    NTLMSSP Signature      Null-terminated ASCII "NTLMSSP"
+                                        (0x4e544c4d53535000)
+            8    NTLM Message Type      long (0x02000000)
+           12    Target Name            security buffer
+           20    Flags                  long
+           24    Challenge              8 bytes
+          (32)   Context                8 bytes (two consecutive longs) (*)
+          (40)   Target Information     security buffer (*)
+          (48)   OS Version Structure   8 bytes (*)
+  32 (48) (56)   Start of data block    (*)
+                                        (*) -> Optional
+  */
+
+  CURLcode result = CURLE_OK;
+  unsigned char *type2 = NULL;
+  size_t type2_len = 0;
+
+#if defined(NTLM_NEEDS_NSS_INIT)
+  /* Make sure the crypto backend is initialized */
+  result = Curl_nss_force_init(data);
+  if(result)
+    return result;
+#elif defined(CURL_DISABLE_VERBOSE_STRINGS)
+  (void)data;
+#endif
+
+  /* Decode the base-64 encoded type-2 message */
+  if(strlen(type2msg) && *type2msg != '=') {
+    result = Curl_base64_decode(type2msg, &type2, &type2_len);
+    if(result)
+      return result;
+  }
+
+  /* Ensure we have a valid type-2 message */
+  if(!type2) {
+    infof(data, "NTLM handshake failure (empty type-2 message)\n");
+    return CURLE_BAD_CONTENT_ENCODING;
+  }
+
+  ntlm->flags = 0;
+
+  if((type2_len < 32) ||
+     (memcmp(type2, NTLMSSP_SIGNATURE, 8) != 0) ||
+     (memcmp(type2 + 8, type2_marker, sizeof(type2_marker)) != 0)) {
+    /* This was not a good enough type-2 message */
+    free(type2);
+    infof(data, "NTLM handshake failure (bad type-2 message)\n");
+    return CURLE_BAD_CONTENT_ENCODING;
+  }
+
+  ntlm->flags = Curl_read32_le(&type2[20]);
+  memcpy(ntlm->nonce, &type2[24], 8);
+
+  if(ntlm->flags & NTLMFLAG_NEGOTIATE_TARGET_INFO) {
+    result = ntlm_decode_type2_target(data, type2, type2_len, ntlm);
+    if(result) {
+      free(type2);
+      infof(data, "NTLM handshake failure (bad type-2 message)\n");
+      return result;
+    }
+  }
+
+  DEBUG_OUT({
+    fprintf(stderr, "**** TYPE2 header flags=0x%08.8lx ", ntlm->flags);
+    ntlm_print_flags(stderr, ntlm->flags);
+    fprintf(stderr, "\n                  nonce=");
+    ntlm_print_hex(stderr, (char *)ntlm->nonce, 8);
+    fprintf(stderr, "\n****\n");
+    fprintf(stderr, "**** Header %s\n ", header);
+  });
+
+  free(type2);
+
+  return result;
+}
+
+/* copy the source to the destination and fill in zeroes in every
+   other destination byte! */
+static void unicodecpy(unsigned char *dest, const char *src, size_t length)
+{
+  size_t i;
+  for(i = 0; i < length; i++) {
+    dest[2 * i] = (unsigned char)src[i];
+    dest[2 * i + 1] = '\0';
+  }
+}
+
+/*
+ * Curl_auth_create_ntlm_type1_message()
+ *
+ * This is used to generate an already encoded NTLM type-1 message ready for
+ * sending to the recipient using the appropriate compile time crypto API.
+ *
+ * Parameters:
+ *
+ * data    [in]     - The session handle.
+ * userp   [in]     - The user name in the format User or Domain\User.
+ * passwdp [in]     - The user's password.
+ * service [in]     - The service type such as http, smtp, pop or imap.
+ * host    [in]     - The host name.
+ * ntlm    [in/out] - The NTLM data struct being used and modified.
+ * outptr  [in/out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen  [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_ntlm_type1_message(struct Curl_easy *data,
+                                             const char *userp,
+                                             const char *passwdp,
+                                             const char *service,
+                                             const char *hostname,
+                                             struct ntlmdata *ntlm,
+                                             char **outptr, size_t *outlen)
+{
+  /* NTLM type-1 message structure:
+
+       Index  Description            Content
+         0    NTLMSSP Signature      Null-terminated ASCII "NTLMSSP"
+                                     (0x4e544c4d53535000)
+         8    NTLM Message Type      long (0x01000000)
+        12    Flags                  long
+       (16)   Supplied Domain        security buffer (*)
+       (24)   Supplied Workstation   security buffer (*)
+       (32)   OS Version Structure   8 bytes (*)
+  (32) (40)   Start of data block    (*)
+                                     (*) -> Optional
+  */
+
+  size_t size;
+
+  unsigned char ntlmbuf[NTLM_BUFSIZE];
+  const char *host = "";              /* empty */
+  const char *domain = "";            /* empty */
+  size_t hostlen = 0;
+  size_t domlen = 0;
+  size_t hostoff = 0;
+  size_t domoff = hostoff + hostlen;  /* This is 0: remember that host and
+                                         domain are empty */
+  (void)userp;
+  (void)passwdp;
+  (void)service,
+  (void)hostname,
+
+  /* Clean up any former leftovers and initialise to defaults */
+  Curl_auth_ntlm_cleanup(ntlm);
+
+#if defined(USE_NTRESPONSES) && defined(USE_NTLM2SESSION)
+#define NTLM2FLAG NTLMFLAG_NEGOTIATE_NTLM2_KEY
+#else
+#define NTLM2FLAG 0
+#endif
+  msnprintf((char *)ntlmbuf, NTLM_BUFSIZE,
+            NTLMSSP_SIGNATURE "%c"
+            "\x01%c%c%c" /* 32-bit type = 1 */
+            "%c%c%c%c"   /* 32-bit NTLM flag field */
+            "%c%c"       /* domain length */
+            "%c%c"       /* domain allocated space */
+            "%c%c"       /* domain name offset */
+            "%c%c"       /* 2 zeroes */
+            "%c%c"       /* host length */
+            "%c%c"       /* host allocated space */
+            "%c%c"       /* host name offset */
+            "%c%c"       /* 2 zeroes */
+            "%s"         /* host name */
+            "%s",        /* domain string */
+            0,           /* trailing zero */
+            0, 0, 0,     /* part of type-1 long */
+
+            LONGQUARTET(NTLMFLAG_NEGOTIATE_OEM |
+                        NTLMFLAG_REQUEST_TARGET |
+                        NTLMFLAG_NEGOTIATE_NTLM_KEY |
+                        NTLM2FLAG |
+                        NTLMFLAG_NEGOTIATE_ALWAYS_SIGN),
+            SHORTPAIR(domlen),
+            SHORTPAIR(domlen),
+            SHORTPAIR(domoff),
+            0, 0,
+            SHORTPAIR(hostlen),
+            SHORTPAIR(hostlen),
+            SHORTPAIR(hostoff),
+            0, 0,
+            host,  /* this is empty */
+            domain /* this is empty */);
+
+  /* Initial packet length */
+  size = 32 + hostlen + domlen;
+
+  DEBUG_OUT({
+    fprintf(stderr, "* TYPE1 header flags=0x%02.2x%02.2x%02.2x%02.2x "
+            "0x%08.8x ",
+            LONGQUARTET(NTLMFLAG_NEGOTIATE_OEM |
+                        NTLMFLAG_REQUEST_TARGET |
+                        NTLMFLAG_NEGOTIATE_NTLM_KEY |
+                        NTLM2FLAG |
+                        NTLMFLAG_NEGOTIATE_ALWAYS_SIGN),
+            NTLMFLAG_NEGOTIATE_OEM |
+            NTLMFLAG_REQUEST_TARGET |
+            NTLMFLAG_NEGOTIATE_NTLM_KEY |
+            NTLM2FLAG |
+            NTLMFLAG_NEGOTIATE_ALWAYS_SIGN);
+    ntlm_print_flags(stderr,
+                     NTLMFLAG_NEGOTIATE_OEM |
+                     NTLMFLAG_REQUEST_TARGET |
+                     NTLMFLAG_NEGOTIATE_NTLM_KEY |
+                     NTLM2FLAG |
+                     NTLMFLAG_NEGOTIATE_ALWAYS_SIGN);
+    fprintf(stderr, "\n****\n");
+  });
+
+  /* Return with binary blob encoded into base64 */
+  return Curl_base64_encode(data, (char *)ntlmbuf, size, outptr, outlen);
+}
+
+/*
+ * Curl_auth_create_ntlm_type3_message()
+ *
+ * This is used to generate an already encoded NTLM type-3 message ready for
+ * sending to the recipient using the appropriate compile time crypto API.
+ *
+ * Parameters:
+ *
+ * data    [in]     - The session handle.
+ * userp   [in]     - The user name in the format User or Domain\User.
+ * passwdp [in]     - The user's password.
+ * ntlm    [in/out] - The NTLM data struct being used and modified.
+ * outptr  [in/out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen  [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_ntlm_type3_message(struct Curl_easy *data,
+                                             const char *userp,
+                                             const char *passwdp,
+                                             struct ntlmdata *ntlm,
+                                             char **outptr, size_t *outlen)
+
+{
+  /* NTLM type-3 message structure:
+
+          Index  Description            Content
+            0    NTLMSSP Signature      Null-terminated ASCII "NTLMSSP"
+                                        (0x4e544c4d53535000)
+            8    NTLM Message Type      long (0x03000000)
+           12    LM/LMv2 Response       security buffer
+           20    NTLM/NTLMv2 Response   security buffer
+           28    Target Name            security buffer
+           36    User Name              security buffer
+           44    Workstation Name       security buffer
+          (52)   Session Key            security buffer (*)
+          (60)   Flags                  long (*)
+          (64)   OS Version Structure   8 bytes (*)
+  52 (64) (72)   Start of data block
+                                          (*) -> Optional
+  */
+
+  CURLcode result = CURLE_OK;
+  size_t size;
+  unsigned char ntlmbuf[NTLM_BUFSIZE];
+  int lmrespoff;
+  unsigned char lmresp[24]; /* fixed-size */
+#ifdef USE_NTRESPONSES
+  int ntrespoff;
+  unsigned int ntresplen = 24;
+  unsigned char ntresp[24]; /* fixed-size */
+  unsigned char *ptr_ntresp = &ntresp[0];
+  unsigned char *ntlmv2resp = NULL;
+#endif
+  bool unicode = (ntlm->flags & NTLMFLAG_NEGOTIATE_UNICODE) ? TRUE : FALSE;
+  char host[HOSTNAME_MAX + 1] = "";
+  const char *user;
+  const char *domain = "";
+  size_t hostoff = 0;
+  size_t useroff = 0;
+  size_t domoff = 0;
+  size_t hostlen = 0;
+  size_t userlen = 0;
+  size_t domlen = 0;
+
+  user = strchr(userp, '\\');
+  if(!user)
+    user = strchr(userp, '/');
+
+  if(user) {
+    domain = userp;
+    domlen = (user - domain);
+    user++;
+  }
+  else
+    user = userp;
+
+  userlen = strlen(user);
+
+  /* Get the machine's un-qualified host name as NTLM doesn't like the fully
+     qualified domain name */
+  if(Curl_gethostname(host, sizeof(host))) {
+    infof(data, "gethostname() failed, continuing without!\n");
+    hostlen = 0;
+  }
+  else {
+    hostlen = strlen(host);
+  }
+
+#if defined(USE_NTRESPONSES) && defined(USE_NTLM_V2)
+  if(ntlm->flags & NTLMFLAG_NEGOTIATE_NTLM2_KEY) {
+    unsigned char ntbuffer[0x18];
+    unsigned char entropy[8];
+    unsigned char ntlmv2hash[0x18];
+
+    result = Curl_rand(data, entropy, 8);
+    if(result)
+      return result;
+
+    result = Curl_ntlm_core_mk_nt_hash(data, passwdp, ntbuffer);
+    if(result)
+      return result;
+
+    result = Curl_ntlm_core_mk_ntlmv2_hash(user, userlen, domain, domlen,
+                                           ntbuffer, ntlmv2hash);
+    if(result)
+      return result;
+
+    /* LMv2 response */
+    result = Curl_ntlm_core_mk_lmv2_resp(ntlmv2hash, entropy,
+                                         &ntlm->nonce[0], lmresp);
+    if(result)
+      return result;
+
+    /* NTLMv2 response */
+    result = Curl_ntlm_core_mk_ntlmv2_resp(ntlmv2hash, entropy,
+                                           ntlm, &ntlmv2resp, &ntresplen);
+    if(result)
+      return result;
+
+    ptr_ntresp = ntlmv2resp;
+  }
+  else
+#endif
+
+#if defined(USE_NTRESPONSES) && defined(USE_NTLM2SESSION)
+  /* We don't support NTLM2 if we don't have USE_NTRESPONSES */
+  if(ntlm->flags & NTLMFLAG_NEGOTIATE_NTLM_KEY) {
+    unsigned char ntbuffer[0x18];
+    unsigned char tmp[0x18];
+    unsigned char md5sum[MD5_DIGEST_LENGTH];
+    unsigned char entropy[8];
+
+    /* Need to create 8 bytes random data */
+    result = Curl_rand(data, entropy, 8);
+    if(result)
+      return result;
+
+    /* 8 bytes random data as challenge in lmresp */
+    memcpy(lmresp, entropy, 8);
+
+    /* Pad with zeros */
+    memset(lmresp + 8, 0, 0x10);
+
+    /* Fill tmp with challenge(nonce?) + entropy */
+    memcpy(tmp, &ntlm->nonce[0], 8);
+    memcpy(tmp + 8, entropy, 8);
+
+    result = Curl_ssl_md5sum(tmp, 16, md5sum, MD5_DIGEST_LENGTH);
+    if(!result)
+      /* We shall only use the first 8 bytes of md5sum, but the des code in
+         Curl_ntlm_core_lm_resp only encrypt the first 8 bytes */
+      result = Curl_ntlm_core_mk_nt_hash(data, passwdp, ntbuffer);
+    if(result)
+      return result;
+
+    Curl_ntlm_core_lm_resp(ntbuffer, md5sum, ntresp);
+
+    /* End of NTLM2 Session code */
+    /* NTLM v2 session security is a misnomer because it is not NTLM v2.
+       It is NTLM v1 using the extended session security that is also
+       in NTLM v2 */
+  }
+  else
+#endif
+  {
+
+#ifdef USE_NTRESPONSES
+    unsigned char ntbuffer[0x18];
+#endif
+    unsigned char lmbuffer[0x18];
+
+#ifdef USE_NTRESPONSES
+    result = Curl_ntlm_core_mk_nt_hash(data, passwdp, ntbuffer);
+    if(result)
+      return result;
+
+    Curl_ntlm_core_lm_resp(ntbuffer, &ntlm->nonce[0], ntresp);
+#endif
+
+    result = Curl_ntlm_core_mk_lm_hash(data, passwdp, lmbuffer);
+    if(result)
+      return result;
+
+    Curl_ntlm_core_lm_resp(lmbuffer, &ntlm->nonce[0], lmresp);
+
+    /* A safer but less compatible alternative is:
+     *   Curl_ntlm_core_lm_resp(ntbuffer, &ntlm->nonce[0], lmresp);
+     * See https://davenport.sourceforge.io/ntlm.html#ntlmVersion2 */
+  }
+
+  if(unicode) {
+    domlen = domlen * 2;
+    userlen = userlen * 2;
+    hostlen = hostlen * 2;
+  }
+
+  lmrespoff = 64; /* size of the message header */
+#ifdef USE_NTRESPONSES
+  ntrespoff = lmrespoff + 0x18;
+  domoff = ntrespoff + ntresplen;
+#else
+  domoff = lmrespoff + 0x18;
+#endif
+  useroff = domoff + domlen;
+  hostoff = useroff + userlen;
+
+  /* Create the big type-3 message binary blob */
+  size = msnprintf((char *)ntlmbuf, NTLM_BUFSIZE,
+                   NTLMSSP_SIGNATURE "%c"
+                   "\x03%c%c%c"  /* 32-bit type = 3 */
+
+                   "%c%c"  /* LanManager length */
+                   "%c%c"  /* LanManager allocated space */
+                   "%c%c"  /* LanManager offset */
+                   "%c%c"  /* 2 zeroes */
+
+                   "%c%c"  /* NT-response length */
+                   "%c%c"  /* NT-response allocated space */
+                   "%c%c"  /* NT-response offset */
+                   "%c%c"  /* 2 zeroes */
+
+                   "%c%c"  /* domain length */
+                   "%c%c"  /* domain allocated space */
+                   "%c%c"  /* domain name offset */
+                   "%c%c"  /* 2 zeroes */
+
+                   "%c%c"  /* user length */
+                   "%c%c"  /* user allocated space */
+                   "%c%c"  /* user offset */
+                   "%c%c"  /* 2 zeroes */
+
+                   "%c%c"  /* host length */
+                   "%c%c"  /* host allocated space */
+                   "%c%c"  /* host offset */
+                   "%c%c"  /* 2 zeroes */
+
+                   "%c%c"  /* session key length (unknown purpose) */
+                   "%c%c"  /* session key allocated space (unknown purpose) */
+                   "%c%c"  /* session key offset (unknown purpose) */
+                   "%c%c"  /* 2 zeroes */
+
+                   "%c%c%c%c",  /* flags */
+
+                   /* domain string */
+                   /* user string */
+                   /* host string */
+                   /* LanManager response */
+                   /* NT response */
+
+                   0,                /* zero termination */
+                   0, 0, 0,          /* type-3 long, the 24 upper bits */
+
+                   SHORTPAIR(0x18),  /* LanManager response length, twice */
+                   SHORTPAIR(0x18),
+                   SHORTPAIR(lmrespoff),
+                   0x0, 0x0,
+
+#ifdef USE_NTRESPONSES
+                   SHORTPAIR(ntresplen),  /* NT-response length, twice */
+                   SHORTPAIR(ntresplen),
+                   SHORTPAIR(ntrespoff),
+                   0x0, 0x0,
+#else
+                   0x0, 0x0,
+                   0x0, 0x0,
+                   0x0, 0x0,
+                   0x0, 0x0,
+#endif
+                   SHORTPAIR(domlen),
+                   SHORTPAIR(domlen),
+                   SHORTPAIR(domoff),
+                   0x0, 0x0,
+
+                   SHORTPAIR(userlen),
+                   SHORTPAIR(userlen),
+                   SHORTPAIR(useroff),
+                   0x0, 0x0,
+
+                   SHORTPAIR(hostlen),
+                   SHORTPAIR(hostlen),
+                   SHORTPAIR(hostoff),
+                   0x0, 0x0,
+
+                   0x0, 0x0,
+                   0x0, 0x0,
+                   0x0, 0x0,
+                   0x0, 0x0,
+
+                   LONGQUARTET(ntlm->flags));
+
+  DEBUGASSERT(size == 64);
+  DEBUGASSERT(size == (size_t)lmrespoff);
+
+  /* We append the binary hashes */
+  if(size < (NTLM_BUFSIZE - 0x18)) {
+    memcpy(&ntlmbuf[size], lmresp, 0x18);
+    size += 0x18;
+  }
+
+  DEBUG_OUT({
+    fprintf(stderr, "**** TYPE3 header lmresp=");
+    ntlm_print_hex(stderr, (char *)&ntlmbuf[lmrespoff], 0x18);
+  });
+
+#ifdef USE_NTRESPONSES
+  /* ntresplen + size should not be risking an integer overflow here */
+  if(ntresplen + size > sizeof(ntlmbuf)) {
+    failf(data, "incoming NTLM message too big");
+    return CURLE_OUT_OF_MEMORY;
+  }
+  DEBUGASSERT(size == (size_t)ntrespoff);
+  memcpy(&ntlmbuf[size], ptr_ntresp, ntresplen);
+  size += ntresplen;
+
+  DEBUG_OUT({
+    fprintf(stderr, "\n   ntresp=");
+    ntlm_print_hex(stderr, (char *)&ntlmbuf[ntrespoff], ntresplen);
+  });
+
+  free(ntlmv2resp);/* Free the dynamic buffer allocated for NTLMv2 */
+
+#endif
+
+  DEBUG_OUT({
+    fprintf(stderr, "\n   flags=0x%02.2x%02.2x%02.2x%02.2x 0x%08.8x ",
+            LONGQUARTET(ntlm->flags), ntlm->flags);
+    ntlm_print_flags(stderr, ntlm->flags);
+    fprintf(stderr, "\n****\n");
+  });
+
+  /* Make sure that the domain, user and host strings fit in the
+     buffer before we copy them there. */
+  if(size + userlen + domlen + hostlen >= NTLM_BUFSIZE) {
+    failf(data, "user + domain + host name too big");
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  DEBUGASSERT(size == domoff);
+  if(unicode)
+    unicodecpy(&ntlmbuf[size], domain, domlen / 2);
+  else
+    memcpy(&ntlmbuf[size], domain, domlen);
+
+  size += domlen;
+
+  DEBUGASSERT(size == useroff);
+  if(unicode)
+    unicodecpy(&ntlmbuf[size], user, userlen / 2);
+  else
+    memcpy(&ntlmbuf[size], user, userlen);
+
+  size += userlen;
+
+  DEBUGASSERT(size == hostoff);
+  if(unicode)
+    unicodecpy(&ntlmbuf[size], host, hostlen / 2);
+  else
+    memcpy(&ntlmbuf[size], host, hostlen);
+
+  size += hostlen;
+
+  /* Convert domain, user, and host to ASCII but leave the rest as-is */
+  result = Curl_convert_to_network(data, (char *)&ntlmbuf[domoff],
+                                   size - domoff);
+  if(result)
+    return CURLE_CONV_FAILED;
+
+  /* Return with binary blob encoded into base64 */
+  result = Curl_base64_encode(data, (char *)ntlmbuf, size, outptr, outlen);
+
+  Curl_auth_ntlm_cleanup(ntlm);
+
+  return result;
+}
+
+/*
+* Curl_auth_ntlm_cleanup()
+*
+* This is used to clean up the NTLM specific data.
+*
+* Parameters:
+*
+* ntlm    [in/out] - The NTLM data struct being cleaned up.
+*
+*/
+void Curl_auth_ntlm_cleanup(struct ntlmdata *ntlm)
+{
+  /* Free the target info */
+  Curl_safefree(ntlm->target_info);
+
+  /* Reset any variables */
+  ntlm->target_info_len = 0;
+}
+
+#endif /* USE_NTLM && !USE_WINDOWS_SSPI */
Index: trunk/src/libs/curl-7.64.0/lib/vauth/ntlm.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vauth/ntlm.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vauth/ntlm.h	(revision 85671)
@@ -0,0 +1,143 @@
+#ifndef HEADER_VAUTH_NTLM_H
+#define HEADER_VAUTH_NTLM_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef USE_NTLM
+
+/* NTLM buffer fixed size, large enough for long user + host + domain */
+#define NTLM_BUFSIZE 1024
+
+/* Stuff only required for curl_ntlm_msgs.c */
+#ifdef BUILDING_CURL_NTLM_MSGS_C
+
+/* Flag bits definitions based on https://davenport.sourceforge.io/ntlm.html */
+
+#define NTLMFLAG_NEGOTIATE_UNICODE               (1<<0)
+/* Indicates that Unicode strings are supported for use in security buffer
+   data. */
+
+#define NTLMFLAG_NEGOTIATE_OEM                   (1<<1)
+/* Indicates that OEM strings are supported for use in security buffer data. */
+
+#define NTLMFLAG_REQUEST_TARGET                  (1<<2)
+/* Requests that the server's authentication realm be included in the Type 2
+   message. */
+
+/* unknown (1<<3) */
+#define NTLMFLAG_NEGOTIATE_SIGN                  (1<<4)
+/* Specifies that authenticated communication between the client and server
+   should carry a digital signature (message integrity). */
+
+#define NTLMFLAG_NEGOTIATE_SEAL                  (1<<5)
+/* Specifies that authenticated communication between the client and server
+   should be encrypted (message confidentiality). */
+
+#define NTLMFLAG_NEGOTIATE_DATAGRAM_STYLE        (1<<6)
+/* Indicates that datagram authentication is being used. */
+
+#define NTLMFLAG_NEGOTIATE_LM_KEY                (1<<7)
+/* Indicates that the LAN Manager session key should be used for signing and
+   sealing authenticated communications. */
+
+#define NTLMFLAG_NEGOTIATE_NETWARE               (1<<8)
+/* unknown purpose */
+
+#define NTLMFLAG_NEGOTIATE_NTLM_KEY              (1<<9)
+/* Indicates that NTLM authentication is being used. */
+
+/* unknown (1<<10) */
+
+#define NTLMFLAG_NEGOTIATE_ANONYMOUS             (1<<11)
+/* Sent by the client in the Type 3 message to indicate that an anonymous
+   context has been established. This also affects the response fields. */
+
+#define NTLMFLAG_NEGOTIATE_DOMAIN_SUPPLIED       (1<<12)
+/* Sent by the client in the Type 1 message to indicate that a desired
+   authentication realm is included in the message. */
+
+#define NTLMFLAG_NEGOTIATE_WORKSTATION_SUPPLIED  (1<<13)
+/* Sent by the client in the Type 1 message to indicate that the client
+   workstation's name is included in the message. */
+
+#define NTLMFLAG_NEGOTIATE_LOCAL_CALL            (1<<14)
+/* Sent by the server to indicate that the server and client are on the same
+   machine. Implies that the client may use a pre-established local security
+   context rather than responding to the challenge. */
+
+#define NTLMFLAG_NEGOTIATE_ALWAYS_SIGN           (1<<15)
+/* Indicates that authenticated communication between the client and server
+   should be signed with a "dummy" signature. */
+
+#define NTLMFLAG_TARGET_TYPE_DOMAIN              (1<<16)
+/* Sent by the server in the Type 2 message to indicate that the target
+   authentication realm is a domain. */
+
+#define NTLMFLAG_TARGET_TYPE_SERVER              (1<<17)
+/* Sent by the server in the Type 2 message to indicate that the target
+   authentication realm is a server. */
+
+#define NTLMFLAG_TARGET_TYPE_SHARE               (1<<18)
+/* Sent by the server in the Type 2 message to indicate that the target
+   authentication realm is a share. Presumably, this is for share-level
+   authentication. Usage is unclear. */
+
+#define NTLMFLAG_NEGOTIATE_NTLM2_KEY             (1<<19)
+/* Indicates that the NTLM2 signing and sealing scheme should be used for
+   protecting authenticated communications. */
+
+#define NTLMFLAG_REQUEST_INIT_RESPONSE           (1<<20)
+/* unknown purpose */
+
+#define NTLMFLAG_REQUEST_ACCEPT_RESPONSE         (1<<21)
+/* unknown purpose */
+
+#define NTLMFLAG_REQUEST_NONNT_SESSION_KEY       (1<<22)
+/* unknown purpose */
+
+#define NTLMFLAG_NEGOTIATE_TARGET_INFO           (1<<23)
+/* Sent by the server in the Type 2 message to indicate that it is including a
+   Target Information block in the message. */
+
+/* unknown (1<24) */
+/* unknown (1<25) */
+/* unknown (1<26) */
+/* unknown (1<27) */
+/* unknown (1<28) */
+
+#define NTLMFLAG_NEGOTIATE_128                   (1<<29)
+/* Indicates that 128-bit encryption is supported. */
+
+#define NTLMFLAG_NEGOTIATE_KEY_EXCHANGE          (1<<30)
+/* Indicates that the client will provide an encrypted master key in
+   the "Session Key" field of the Type 3 message. */
+
+#define NTLMFLAG_NEGOTIATE_56                    (1<<31)
+/* Indicates that 56-bit encryption is supported. */
+
+#endif /* BUILDING_CURL_NTLM_MSGS_C */
+
+#endif /* USE_NTLM */
+
+#endif /* HEADER_VAUTH_NTLM_H */
Index: trunk/src/libs/curl-7.64.0/lib/vauth/ntlm_sspi.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vauth/ntlm_sspi.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vauth/ntlm_sspi.c	(revision 85671)
@@ -0,0 +1,371 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(USE_WINDOWS_SSPI) && defined(USE_NTLM)
+
+#include <curl/curl.h>
+
+#include "vauth/vauth.h"
+#include "urldata.h"
+#include "curl_base64.h"
+#include "curl_ntlm_core.h"
+#include "warnless.h"
+#include "curl_multibyte.h"
+#include "sendf.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Curl_auth_is_ntlm_supported()
+ *
+ * This is used to evaluate if NTLM is supported.
+ *
+ * Parameters: None
+ *
+ * Returns TRUE if NTLM is supported by Windows SSPI.
+ */
+bool Curl_auth_is_ntlm_supported(void)
+{
+  PSecPkgInfo SecurityPackage;
+  SECURITY_STATUS status;
+
+  /* Query the security package for NTLM */
+  status = s_pSecFn->QuerySecurityPackageInfo((TCHAR *) TEXT(SP_NAME_NTLM),
+                                              &SecurityPackage);
+
+  return (status == SEC_E_OK ? TRUE : FALSE);
+}
+
+/*
+ * Curl_auth_create_ntlm_type1_message()
+ *
+ * This is used to generate an already encoded NTLM type-1 message ready for
+ * sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data    [in]     - The session handle.
+ * userp   [in]     - The user name in the format User or Domain\User.
+ * passwdp [in]     - The user's password.
+ * service [in]     - The service type such as http, smtp, pop or imap.
+ * host    [in]     - The host name.
+ * ntlm    [in/out] - The NTLM data struct being used and modified.
+ * outptr  [in/out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen  [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_ntlm_type1_message(struct Curl_easy *data,
+                                             const char *userp,
+                                             const char *passwdp,
+                                             const char *service,
+                                             const char *host,
+                                             struct ntlmdata *ntlm,
+                                             char **outptr, size_t *outlen)
+{
+  PSecPkgInfo SecurityPackage;
+  SecBuffer type_1_buf;
+  SecBufferDesc type_1_desc;
+  SECURITY_STATUS status;
+  unsigned long attrs;
+  TimeStamp expiry; /* For Windows 9x compatibility of SSPI calls */
+
+  /* Clean up any former leftovers and initialise to defaults */
+  Curl_auth_ntlm_cleanup(ntlm);
+
+  /* Query the security package for NTLM */
+  status = s_pSecFn->QuerySecurityPackageInfo((TCHAR *) TEXT(SP_NAME_NTLM),
+                                              &SecurityPackage);
+  if(status != SEC_E_OK)
+    return CURLE_NOT_BUILT_IN;
+
+  ntlm->token_max = SecurityPackage->cbMaxToken;
+
+  /* Release the package buffer as it is not required anymore */
+  s_pSecFn->FreeContextBuffer(SecurityPackage);
+
+  /* Allocate our output buffer */
+  ntlm->output_token = malloc(ntlm->token_max);
+  if(!ntlm->output_token)
+    return CURLE_OUT_OF_MEMORY;
+
+  if(userp && *userp) {
+    CURLcode result;
+
+    /* Populate our identity structure */
+    result = Curl_create_sspi_identity(userp, passwdp, &ntlm->identity);
+    if(result)
+      return result;
+
+    /* Allow proper cleanup of the identity structure */
+    ntlm->p_identity = &ntlm->identity;
+  }
+  else
+    /* Use the current Windows user */
+    ntlm->p_identity = NULL;
+
+  /* Allocate our credentials handle */
+  ntlm->credentials = calloc(1, sizeof(CredHandle));
+  if(!ntlm->credentials)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Acquire our credentials handle */
+  status = s_pSecFn->AcquireCredentialsHandle(NULL,
+                                              (TCHAR *) TEXT(SP_NAME_NTLM),
+                                              SECPKG_CRED_OUTBOUND, NULL,
+                                              ntlm->p_identity, NULL, NULL,
+                                              ntlm->credentials, &expiry);
+  if(status != SEC_E_OK)
+    return CURLE_LOGIN_DENIED;
+
+  /* Allocate our new context handle */
+  ntlm->context = calloc(1, sizeof(CtxtHandle));
+  if(!ntlm->context)
+    return CURLE_OUT_OF_MEMORY;
+
+  ntlm->spn = Curl_auth_build_spn(service, host, NULL);
+  if(!ntlm->spn)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Setup the type-1 "output" security buffer */
+  type_1_desc.ulVersion = SECBUFFER_VERSION;
+  type_1_desc.cBuffers  = 1;
+  type_1_desc.pBuffers  = &type_1_buf;
+  type_1_buf.BufferType = SECBUFFER_TOKEN;
+  type_1_buf.pvBuffer   = ntlm->output_token;
+  type_1_buf.cbBuffer   = curlx_uztoul(ntlm->token_max);
+
+  /* Generate our type-1 message */
+  status = s_pSecFn->InitializeSecurityContext(ntlm->credentials, NULL,
+                                               ntlm->spn,
+                                               0, 0, SECURITY_NETWORK_DREP,
+                                               NULL, 0,
+                                               ntlm->context, &type_1_desc,
+                                               &attrs, &expiry);
+  if(status == SEC_I_COMPLETE_NEEDED ||
+    status == SEC_I_COMPLETE_AND_CONTINUE)
+    s_pSecFn->CompleteAuthToken(ntlm->context, &type_1_desc);
+  else if(status != SEC_E_OK && status != SEC_I_CONTINUE_NEEDED)
+    return CURLE_RECV_ERROR;
+
+  /* Base64 encode the response */
+  return Curl_base64_encode(data, (char *) ntlm->output_token,
+                            type_1_buf.cbBuffer, outptr, outlen);
+}
+
+/*
+ * Curl_auth_decode_ntlm_type2_message()
+ *
+ * This is used to decode an already encoded NTLM type-2 message.
+ *
+ * Parameters:
+ *
+ * data     [in]     - The session handle.
+ * type2msg [in]     - The base64 encoded type-2 message.
+ * ntlm     [in/out] - The NTLM data struct being used and modified.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_decode_ntlm_type2_message(struct Curl_easy *data,
+                                             const char *type2msg,
+                                             struct ntlmdata *ntlm)
+{
+  CURLcode result = CURLE_OK;
+  unsigned char *type2 = NULL;
+  size_t type2_len = 0;
+
+#if defined(CURL_DISABLE_VERBOSE_STRINGS)
+  (void) data;
+#endif
+
+  /* Decode the base-64 encoded type-2 message */
+  if(strlen(type2msg) && *type2msg != '=') {
+    result = Curl_base64_decode(type2msg, &type2, &type2_len);
+    if(result)
+      return result;
+  }
+
+  /* Ensure we have a valid type-2 message */
+  if(!type2) {
+    infof(data, "NTLM handshake failure (empty type-2 message)\n");
+
+    return CURLE_BAD_CONTENT_ENCODING;
+  }
+
+  /* Simply store the challenge for use later */
+  ntlm->input_token = type2;
+  ntlm->input_token_len = type2_len;
+
+  return result;
+}
+
+/*
+* Curl_auth_create_ntlm_type3_message()
+ * Curl_auth_create_ntlm_type3_message()
+ *
+ * This is used to generate an already encoded NTLM type-3 message ready for
+ * sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data    [in]     - The session handle.
+ * userp   [in]     - The user name in the format User or Domain\User.
+ * passwdp [in]     - The user's password.
+ * ntlm    [in/out] - The NTLM data struct being used and modified.
+ * outptr  [in/out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen  [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_ntlm_type3_message(struct Curl_easy *data,
+                                             const char *userp,
+                                             const char *passwdp,
+                                             struct ntlmdata *ntlm,
+                                             char **outptr, size_t *outlen)
+{
+  CURLcode result = CURLE_OK;
+  SecBuffer type_2_bufs[2];
+  SecBuffer type_3_buf;
+  SecBufferDesc type_2_desc;
+  SecBufferDesc type_3_desc;
+  SECURITY_STATUS status;
+  unsigned long attrs;
+  TimeStamp expiry; /* For Windows 9x compatibility of SSPI calls */
+
+  (void) passwdp;
+  (void) userp;
+
+  /* Setup the type-2 "input" security buffer */
+  type_2_desc.ulVersion     = SECBUFFER_VERSION;
+  type_2_desc.cBuffers      = 1;
+  type_2_desc.pBuffers      = &type_2_bufs[0];
+  type_2_bufs[0].BufferType = SECBUFFER_TOKEN;
+  type_2_bufs[0].pvBuffer   = ntlm->input_token;
+  type_2_bufs[0].cbBuffer   = curlx_uztoul(ntlm->input_token_len);
+
+#ifdef SECPKG_ATTR_ENDPOINT_BINDINGS
+  /* ssl context comes from schannel.
+  * When extended protection is used in IIS server,
+  * we have to pass a second SecBuffer to the SecBufferDesc
+  * otherwise IIS will not pass the authentication (401 response).
+  * Minimum supported version is Windows 7.
+  * https://docs.microsoft.com/en-us/security-updates
+  * /SecurityAdvisories/2009/973811
+  */
+  if(ntlm->sslContext) {
+    SEC_CHANNEL_BINDINGS channelBindings;
+    SecPkgContext_Bindings pkgBindings;
+    pkgBindings.Bindings = &channelBindings;
+    status = s_pSecFn->QueryContextAttributes(
+      ntlm->sslContext,
+      SECPKG_ATTR_ENDPOINT_BINDINGS,
+      &pkgBindings
+    );
+    if(status == SEC_E_OK) {
+      type_2_desc.cBuffers++;
+      type_2_bufs[1].BufferType = SECBUFFER_CHANNEL_BINDINGS;
+      type_2_bufs[1].cbBuffer = pkgBindings.BindingsLength;
+      type_2_bufs[1].pvBuffer = pkgBindings.Bindings;
+    }
+  }
+#endif
+
+  /* Setup the type-3 "output" security buffer */
+  type_3_desc.ulVersion = SECBUFFER_VERSION;
+  type_3_desc.cBuffers  = 1;
+  type_3_desc.pBuffers  = &type_3_buf;
+  type_3_buf.BufferType = SECBUFFER_TOKEN;
+  type_3_buf.pvBuffer   = ntlm->output_token;
+  type_3_buf.cbBuffer   = curlx_uztoul(ntlm->token_max);
+
+  /* Generate our type-3 message */
+  status = s_pSecFn->InitializeSecurityContext(ntlm->credentials,
+                                               ntlm->context,
+                                               ntlm->spn,
+                                               0, 0, SECURITY_NETWORK_DREP,
+                                               &type_2_desc,
+                                               0, ntlm->context,
+                                               &type_3_desc,
+                                               &attrs, &expiry);
+  if(status != SEC_E_OK) {
+    infof(data, "NTLM handshake failure (type-3 message): Status=%x\n",
+          status);
+
+    return CURLE_RECV_ERROR;
+  }
+
+  /* Base64 encode the response */
+  result = Curl_base64_encode(data, (char *) ntlm->output_token,
+                              type_3_buf.cbBuffer, outptr, outlen);
+
+  Curl_auth_ntlm_cleanup(ntlm);
+
+  return result;
+}
+
+/*
+ * Curl_auth_ntlm_cleanup()
+ *
+ * This is used to clean up the NTLM specific data.
+ *
+ * Parameters:
+ *
+ * ntlm    [in/out] - The NTLM data struct being cleaned up.
+ *
+ */
+void Curl_auth_ntlm_cleanup(struct ntlmdata *ntlm)
+{
+  /* Free our security context */
+  if(ntlm->context) {
+    s_pSecFn->DeleteSecurityContext(ntlm->context);
+    free(ntlm->context);
+    ntlm->context = NULL;
+  }
+
+  /* Free our credentials handle */
+  if(ntlm->credentials) {
+    s_pSecFn->FreeCredentialsHandle(ntlm->credentials);
+    free(ntlm->credentials);
+    ntlm->credentials = NULL;
+  }
+
+  /* Free our identity */
+  Curl_sspi_free_identity(ntlm->p_identity);
+  ntlm->p_identity = NULL;
+
+  /* Free the input and output tokens */
+  Curl_safefree(ntlm->input_token);
+  Curl_safefree(ntlm->output_token);
+
+  /* Reset any variables */
+  ntlm->token_max = 0;
+
+  Curl_safefree(ntlm->spn);
+}
+
+#endif /* USE_WINDOWS_SSPI && USE_NTLM */
Index: trunk/src/libs/curl-7.64.0/lib/vauth/oauth2.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vauth/oauth2.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vauth/oauth2.c	(revision 85671)
@@ -0,0 +1,86 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * RFC6749 OAuth 2.0 Authorization Framework
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+#include "urldata.h"
+
+#include "vauth/vauth.h"
+#include "curl_base64.h"
+#include "warnless.h"
+#include "curl_printf.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Curl_auth_create_oauth_bearer_message()
+ *
+ * This is used to generate an already encoded OAuth 2.0 message ready for
+ * sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data[in]         - The session handle.
+ * user[in]         - The user name.
+ * host[in]         - The host name(for OAUTHBEARER).
+ * port[in]         - The port(for OAUTHBEARER when not Port 80).
+ * bearer[in]       - The bearer token.
+ * outptr[in / out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen[out]      - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_oauth_bearer_message(struct Curl_easy *data,
+                                               const char *user,
+                                               const char *host,
+                                               const long port,
+                                               const char *bearer,
+                                               char **outptr, size_t *outlen)
+{
+  CURLcode result = CURLE_OK;
+  char *oauth = NULL;
+
+  /* Generate the message */
+  if(host == NULL && (port == 0 || port == 80))
+    oauth = aprintf("user=%s\1auth=Bearer %s\1\1", user, bearer);
+  else if(port == 0 || port == 80)
+    oauth = aprintf("user=%s\1host=%s\1auth=Bearer %s\1\1", user, host,
+                    bearer);
+  else
+    oauth = aprintf("user=%s\1host=%s\1port=%ld\1auth=Bearer %s\1\1", user,
+                    host, port, bearer);
+  if(!oauth)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Base64 encode the reply */
+  result = Curl_base64_encode(data, oauth, strlen(oauth), outptr, outlen);
+
+  free(oauth);
+
+  return result;
+}
Index: trunk/src/libs/curl-7.64.0/lib/vauth/spnego_gssapi.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vauth/spnego_gssapi.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vauth/spnego_gssapi.c	(revision 85671)
@@ -0,0 +1,278 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * RFC4178 Simple and Protected GSS-API Negotiation Mechanism
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(HAVE_GSSAPI) && defined(USE_SPNEGO)
+
+#include <curl/curl.h>
+
+#include "vauth/vauth.h"
+#include "urldata.h"
+#include "curl_base64.h"
+#include "curl_gssapi.h"
+#include "warnless.h"
+#include "curl_multibyte.h"
+#include "sendf.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Curl_auth_is_spnego_supported()
+ *
+ * This is used to evaluate if SPNEGO (Negotiate) is supported.
+ *
+ * Parameters: None
+ *
+ * Returns TRUE if Negotiate supported by the GSS-API library.
+ */
+bool Curl_auth_is_spnego_supported(void)
+{
+  return TRUE;
+}
+
+/*
+ * Curl_auth_decode_spnego_message()
+ *
+ * This is used to decode an already encoded SPNEGO (Negotiate) challenge
+ * message.
+ *
+ * Parameters:
+ *
+ * data        [in]     - The session handle.
+ * userp       [in]     - The user name in the format User or Domain\User.
+ * passwdp     [in]     - The user's password.
+ * service     [in]     - The service type such as http, smtp, pop or imap.
+ * host        [in]     - The host name.
+ * chlg64      [in]     - The optional base64 encoded challenge message.
+ * nego        [in/out] - The Negotiate data struct being used and modified.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_decode_spnego_message(struct Curl_easy *data,
+                                         const char *user,
+                                         const char *password,
+                                         const char *service,
+                                         const char *host,
+                                         const char *chlg64,
+                                         struct negotiatedata *nego)
+{
+  CURLcode result = CURLE_OK;
+  size_t chlglen = 0;
+  unsigned char *chlg = NULL;
+  OM_uint32 major_status;
+  OM_uint32 minor_status;
+  OM_uint32 unused_status;
+  gss_buffer_desc spn_token = GSS_C_EMPTY_BUFFER;
+  gss_buffer_desc input_token = GSS_C_EMPTY_BUFFER;
+  gss_buffer_desc output_token = GSS_C_EMPTY_BUFFER;
+
+  (void) user;
+  (void) password;
+
+  if(nego->context && nego->status == GSS_S_COMPLETE) {
+    /* We finished successfully our part of authentication, but server
+     * rejected it (since we're again here). Exit with an error since we
+     * can't invent anything better */
+    Curl_auth_spnego_cleanup(nego);
+    return CURLE_LOGIN_DENIED;
+  }
+
+  if(!nego->spn) {
+    /* Generate our SPN */
+    char *spn = Curl_auth_build_spn(service, NULL, host);
+    if(!spn)
+      return CURLE_OUT_OF_MEMORY;
+
+    /* Populate the SPN structure */
+    spn_token.value = spn;
+    spn_token.length = strlen(spn);
+
+    /* Import the SPN */
+    major_status = gss_import_name(&minor_status, &spn_token,
+                                   GSS_C_NT_HOSTBASED_SERVICE,
+                                   &nego->spn);
+    if(GSS_ERROR(major_status)) {
+      Curl_gss_log_error(data, "gss_import_name() failed: ",
+                         major_status, minor_status);
+
+      free(spn);
+
+      return CURLE_OUT_OF_MEMORY;
+    }
+
+    free(spn);
+  }
+
+  if(chlg64 && *chlg64) {
+    /* Decode the base-64 encoded challenge message */
+    if(*chlg64 != '=') {
+      result = Curl_base64_decode(chlg64, &chlg, &chlglen);
+      if(result)
+        return result;
+    }
+
+    /* Ensure we have a valid challenge message */
+    if(!chlg) {
+      infof(data, "SPNEGO handshake failure (empty challenge message)\n");
+
+      return CURLE_BAD_CONTENT_ENCODING;
+    }
+
+    /* Setup the challenge "input" security buffer */
+    input_token.value = chlg;
+    input_token.length = chlglen;
+  }
+
+  /* Generate our challenge-response message */
+  major_status = Curl_gss_init_sec_context(data,
+                                           &minor_status,
+                                           &nego->context,
+                                           nego->spn,
+                                           &Curl_spnego_mech_oid,
+                                           GSS_C_NO_CHANNEL_BINDINGS,
+                                           &input_token,
+                                           &output_token,
+                                           TRUE,
+                                           NULL);
+
+  /* Free the decoded challenge as it is not required anymore */
+  Curl_safefree(input_token.value);
+
+  nego->status = major_status;
+  if(GSS_ERROR(major_status)) {
+    if(output_token.value)
+      gss_release_buffer(&unused_status, &output_token);
+
+    Curl_gss_log_error(data, "gss_init_sec_context() failed: ",
+                       major_status, minor_status);
+
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  if(!output_token.value || !output_token.length) {
+    if(output_token.value)
+      gss_release_buffer(&unused_status, &output_token);
+
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  /* Free previous token */
+  if(nego->output_token.length && nego->output_token.value)
+    gss_release_buffer(&unused_status, &nego->output_token);
+
+  nego->output_token = output_token;
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_auth_create_spnego_message()
+ *
+ * This is used to generate an already encoded SPNEGO (Negotiate) response
+ * message ready for sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data        [in]     - The session handle.
+ * nego        [in/out] - The Negotiate data struct being used and modified.
+ * outptr      [in/out] - The address where a pointer to newly allocated memory
+ *                        holding the result will be stored upon completion.
+ * outlen      [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_spnego_message(struct Curl_easy *data,
+                                         struct negotiatedata *nego,
+                                         char **outptr, size_t *outlen)
+{
+  CURLcode result;
+  OM_uint32 minor_status;
+
+  /* Base64 encode the already generated response */
+  result = Curl_base64_encode(data,
+                              nego->output_token.value,
+                              nego->output_token.length,
+                              outptr, outlen);
+
+  if(result) {
+    gss_release_buffer(&minor_status, &nego->output_token);
+    nego->output_token.value = NULL;
+    nego->output_token.length = 0;
+
+    return result;
+  }
+
+  if(!*outptr || !*outlen) {
+    gss_release_buffer(&minor_status, &nego->output_token);
+    nego->output_token.value = NULL;
+    nego->output_token.length = 0;
+
+    return CURLE_REMOTE_ACCESS_DENIED;
+  }
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_auth_spnego_cleanup()
+ *
+ * This is used to clean up the SPNEGO (Negotiate) specific data.
+ *
+ * Parameters:
+ *
+ * nego     [in/out] - The Negotiate data struct being cleaned up.
+ *
+ */
+void Curl_auth_spnego_cleanup(struct negotiatedata *nego)
+{
+  OM_uint32 minor_status;
+
+  /* Free our security context */
+  if(nego->context != GSS_C_NO_CONTEXT) {
+    gss_delete_sec_context(&minor_status, &nego->context, GSS_C_NO_BUFFER);
+    nego->context = GSS_C_NO_CONTEXT;
+  }
+
+  /* Free the output token */
+  if(nego->output_token.value) {
+    gss_release_buffer(&minor_status, &nego->output_token);
+    nego->output_token.value = NULL;
+    nego->output_token.length = 0;
+
+  }
+
+  /* Free the SPN */
+  if(nego->spn != GSS_C_NO_NAME) {
+    gss_release_name(&minor_status, &nego->spn);
+    nego->spn = GSS_C_NO_NAME;
+  }
+
+  /* Reset any variables */
+  nego->status = 0;
+}
+
+#endif /* HAVE_GSSAPI && USE_SPNEGO */
Index: trunk/src/libs/curl-7.64.0/lib/vauth/spnego_sspi.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vauth/spnego_sspi.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vauth/spnego_sspi.c	(revision 85671)
@@ -0,0 +1,347 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * RFC4178 Simple and Protected GSS-API Negotiation Mechanism
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(USE_WINDOWS_SSPI) && defined(USE_SPNEGO)
+
+#include <curl/curl.h>
+
+#include "vauth/vauth.h"
+#include "urldata.h"
+#include "curl_base64.h"
+#include "warnless.h"
+#include "curl_multibyte.h"
+#include "sendf.h"
+#include "strerror.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Curl_auth_is_spnego_supported()
+ *
+ * This is used to evaluate if SPNEGO (Negotiate) is supported.
+ *
+ * Parameters: None
+ *
+ * Returns TRUE if Negotiate is supported by Windows SSPI.
+ */
+bool Curl_auth_is_spnego_supported(void)
+{
+  PSecPkgInfo SecurityPackage;
+  SECURITY_STATUS status;
+
+  /* Query the security package for Negotiate */
+  status = s_pSecFn->QuerySecurityPackageInfo((TCHAR *)
+                                              TEXT(SP_NAME_NEGOTIATE),
+                                              &SecurityPackage);
+
+  return (status == SEC_E_OK ? TRUE : FALSE);
+}
+
+/*
+ * Curl_auth_decode_spnego_message()
+ *
+ * This is used to decode an already encoded SPNEGO (Negotiate) challenge
+ * message.
+ *
+ * Parameters:
+ *
+ * data        [in]     - The session handle.
+ * user        [in]     - The user name in the format User or Domain\User.
+ * password    [in]     - The user's password.
+ * service     [in]     - The service type such as http, smtp, pop or imap.
+ * host        [in]     - The host name.
+ * chlg64      [in]     - The optional base64 encoded challenge message.
+ * nego        [in/out] - The Negotiate data struct being used and modified.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_decode_spnego_message(struct Curl_easy *data,
+                                         const char *user,
+                                         const char *password,
+                                         const char *service,
+                                         const char *host,
+                                         const char *chlg64,
+                                         struct negotiatedata *nego)
+{
+  CURLcode result = CURLE_OK;
+  size_t chlglen = 0;
+  unsigned char *chlg = NULL;
+  PSecPkgInfo SecurityPackage;
+  SecBuffer chlg_buf[2];
+  SecBuffer resp_buf;
+  SecBufferDesc chlg_desc;
+  SecBufferDesc resp_desc;
+  unsigned long attrs;
+  TimeStamp expiry; /* For Windows 9x compatibility of SSPI calls */
+
+#if defined(CURL_DISABLE_VERBOSE_STRINGS)
+  (void) data;
+#endif
+
+  if(nego->context && nego->status == SEC_E_OK) {
+    /* We finished successfully our part of authentication, but server
+     * rejected it (since we're again here). Exit with an error since we
+     * can't invent anything better */
+    Curl_auth_spnego_cleanup(nego);
+    return CURLE_LOGIN_DENIED;
+  }
+
+  if(!nego->spn) {
+    /* Generate our SPN */
+    nego->spn = Curl_auth_build_spn(service, host, NULL);
+    if(!nego->spn)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  if(!nego->output_token) {
+    /* Query the security package for Negotiate */
+    nego->status = s_pSecFn->QuerySecurityPackageInfo((TCHAR *)
+                                                      TEXT(SP_NAME_NEGOTIATE),
+                                                      &SecurityPackage);
+    if(nego->status != SEC_E_OK)
+      return CURLE_NOT_BUILT_IN;
+
+    nego->token_max = SecurityPackage->cbMaxToken;
+
+    /* Release the package buffer as it is not required anymore */
+    s_pSecFn->FreeContextBuffer(SecurityPackage);
+
+    /* Allocate our output buffer */
+    nego->output_token = malloc(nego->token_max);
+    if(!nego->output_token)
+      return CURLE_OUT_OF_MEMORY;
+ }
+
+  if(!nego->credentials) {
+    /* Do we have credentials to use or are we using single sign-on? */
+    if(user && *user) {
+      /* Populate our identity structure */
+      result = Curl_create_sspi_identity(user, password, &nego->identity);
+      if(result)
+        return result;
+
+      /* Allow proper cleanup of the identity structure */
+      nego->p_identity = &nego->identity;
+    }
+    else
+      /* Use the current Windows user */
+      nego->p_identity = NULL;
+
+    /* Allocate our credentials handle */
+    nego->credentials = calloc(1, sizeof(CredHandle));
+    if(!nego->credentials)
+      return CURLE_OUT_OF_MEMORY;
+
+    /* Acquire our credentials handle */
+    nego->status =
+      s_pSecFn->AcquireCredentialsHandle(NULL,
+                                         (TCHAR *)TEXT(SP_NAME_NEGOTIATE),
+                                         SECPKG_CRED_OUTBOUND, NULL,
+                                         nego->p_identity, NULL, NULL,
+                                         nego->credentials, &expiry);
+    if(nego->status != SEC_E_OK)
+      return CURLE_LOGIN_DENIED;
+
+    /* Allocate our new context handle */
+    nego->context = calloc(1, sizeof(CtxtHandle));
+    if(!nego->context)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  if(chlg64 && *chlg64) {
+    /* Decode the base-64 encoded challenge message */
+    if(*chlg64 != '=') {
+      result = Curl_base64_decode(chlg64, &chlg, &chlglen);
+      if(result)
+        return result;
+    }
+
+    /* Ensure we have a valid challenge message */
+    if(!chlg) {
+      infof(data, "SPNEGO handshake failure (empty challenge message)\n");
+
+      return CURLE_BAD_CONTENT_ENCODING;
+    }
+
+    /* Setup the challenge "input" security buffer */
+    chlg_desc.ulVersion    = SECBUFFER_VERSION;
+    chlg_desc.cBuffers     = 1;
+    chlg_desc.pBuffers     = &chlg_buf[0];
+    chlg_buf[0].BufferType = SECBUFFER_TOKEN;
+    chlg_buf[0].pvBuffer   = chlg;
+    chlg_buf[0].cbBuffer   = curlx_uztoul(chlglen);
+
+#ifdef SECPKG_ATTR_ENDPOINT_BINDINGS
+    /* ssl context comes from Schannel.
+    * When extended protection is used in IIS server,
+    * we have to pass a second SecBuffer to the SecBufferDesc
+    * otherwise IIS will not pass the authentication (401 response).
+    * Minimum supported version is Windows 7.
+    * https://docs.microsoft.com/en-us/security-updates
+    * /SecurityAdvisories/2009/973811
+    */
+    if(nego->sslContext) {
+      SEC_CHANNEL_BINDINGS channelBindings;
+      SecPkgContext_Bindings pkgBindings;
+      pkgBindings.Bindings = &channelBindings;
+      nego->status = s_pSecFn->QueryContextAttributes(
+          nego->sslContext,
+          SECPKG_ATTR_ENDPOINT_BINDINGS,
+          &pkgBindings
+      );
+      if(nego->status == SEC_E_OK) {
+        chlg_desc.cBuffers++;
+        chlg_buf[1].BufferType = SECBUFFER_CHANNEL_BINDINGS;
+        chlg_buf[1].cbBuffer   = pkgBindings.BindingsLength;
+        chlg_buf[1].pvBuffer   = pkgBindings.Bindings;
+      }
+    }
+#endif
+  }
+
+  /* Setup the response "output" security buffer */
+  resp_desc.ulVersion = SECBUFFER_VERSION;
+  resp_desc.cBuffers  = 1;
+  resp_desc.pBuffers  = &resp_buf;
+  resp_buf.BufferType = SECBUFFER_TOKEN;
+  resp_buf.pvBuffer   = nego->output_token;
+  resp_buf.cbBuffer   = curlx_uztoul(nego->token_max);
+
+  /* Generate our challenge-response message */
+  nego->status = s_pSecFn->InitializeSecurityContext(nego->credentials,
+                                                     chlg ? nego->context :
+                                                            NULL,
+                                                     nego->spn,
+                                                     ISC_REQ_CONFIDENTIALITY,
+                                                     0, SECURITY_NATIVE_DREP,
+                                                     chlg ? &chlg_desc : NULL,
+                                                     0, nego->context,
+                                                     &resp_desc, &attrs,
+                                                     &expiry);
+
+  /* Free the decoded challenge as it is not required anymore */
+  free(chlg);
+
+  if(GSS_ERROR(nego->status)) {
+    failf(data, "InitializeSecurityContext failed: %s",
+          Curl_sspi_strerror(data->conn, nego->status));
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  if(nego->status == SEC_I_COMPLETE_NEEDED ||
+     nego->status == SEC_I_COMPLETE_AND_CONTINUE) {
+    nego->status = s_pSecFn->CompleteAuthToken(nego->context, &resp_desc);
+    if(GSS_ERROR(nego->status)) {
+      return CURLE_RECV_ERROR;
+    }
+  }
+
+  nego->output_token_length = resp_buf.cbBuffer;
+
+  return result;
+}
+
+/*
+ * Curl_auth_create_spnego_message()
+ *
+ * This is used to generate an already encoded SPNEGO (Negotiate) response
+ * message ready for sending to the recipient.
+ *
+ * Parameters:
+ *
+ * data        [in]     - The session handle.
+ * nego        [in/out] - The Negotiate data struct being used and modified.
+ * outptr      [in/out] - The address where a pointer to newly allocated memory
+ *                        holding the result will be stored upon completion.
+ * outlen      [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_spnego_message(struct Curl_easy *data,
+                                         struct negotiatedata *nego,
+                                         char **outptr, size_t *outlen)
+{
+  CURLcode result;
+
+  /* Base64 encode the already generated response */
+  result = Curl_base64_encode(data,
+                              (const char *) nego->output_token,
+                              nego->output_token_length,
+                              outptr, outlen);
+
+  if(result)
+    return result;
+
+  if(!*outptr || !*outlen) {
+    free(*outptr);
+    return CURLE_REMOTE_ACCESS_DENIED;
+  }
+
+  return CURLE_OK;
+}
+
+/*
+ * Curl_auth_spnego_cleanup()
+ *
+ * This is used to clean up the SPNEGO (Negotiate) specific data.
+ *
+ * Parameters:
+ *
+ * nego     [in/out] - The Negotiate data struct being cleaned up.
+ *
+ */
+void Curl_auth_spnego_cleanup(struct negotiatedata *nego)
+{
+  /* Free our security context */
+  if(nego->context) {
+    s_pSecFn->DeleteSecurityContext(nego->context);
+    free(nego->context);
+    nego->context = NULL;
+  }
+
+  /* Free our credentials handle */
+  if(nego->credentials) {
+    s_pSecFn->FreeCredentialsHandle(nego->credentials);
+    free(nego->credentials);
+    nego->credentials = NULL;
+  }
+
+  /* Free our identity */
+  Curl_sspi_free_identity(nego->p_identity);
+  nego->p_identity = NULL;
+
+  /* Free the SPN and output token */
+  Curl_safefree(nego->spn);
+  Curl_safefree(nego->output_token);
+
+  /* Reset any variables */
+  nego->status = 0;
+  nego->token_max = 0;
+}
+
+#endif /* USE_WINDOWS_SSPI && USE_SPNEGO */
Index: trunk/src/libs/curl-7.64.0/lib/vauth/vauth.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vauth/vauth.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vauth/vauth.c	(revision 85671)
@@ -0,0 +1,147 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2014 - 2016, Steve Holme, <steve_holme@hotmail.com>.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#include "vauth.h"
+#include "curl_multibyte.h"
+#include "curl_printf.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * Curl_auth_build_spn()
+ *
+ * This is used to build a SPN string in the following formats:
+ *
+ * service/host@realm (Not currently used)
+ * service/host       (Not used by GSS-API)
+ * service@realm      (Not used by Windows SSPI)
+ *
+ * Parameters:
+ *
+ * service  [in] - The service type such as http, smtp, pop or imap.
+ * host     [in] - The host name.
+ * realm    [in] - The realm.
+ *
+ * Returns a pointer to the newly allocated SPN.
+ */
+#if !defined(USE_WINDOWS_SSPI)
+char *Curl_auth_build_spn(const char *service, const char *host,
+                          const char *realm)
+{
+  char *spn = NULL;
+
+  /* Generate our SPN */
+  if(host && realm)
+    spn = aprintf("%s/%s@%s", service, host, realm);
+  else if(host)
+    spn = aprintf("%s/%s", service, host);
+  else if(realm)
+    spn = aprintf("%s@%s", service, realm);
+
+  /* Return our newly allocated SPN */
+  return spn;
+}
+#else
+TCHAR *Curl_auth_build_spn(const char *service, const char *host,
+                           const char *realm)
+{
+  char *utf8_spn = NULL;
+  TCHAR *tchar_spn = NULL;
+
+  (void) realm;
+
+  /* Note: We could use DsMakeSPN() or DsClientMakeSpnForTargetServer() rather
+     than doing this ourselves but the first is only available in Windows XP
+     and Windows Server 2003 and the latter is only available in Windows 2000
+     but not Windows95/98/ME or Windows NT4.0 unless the Active Directory
+     Client Extensions are installed. As such it is far simpler for us to
+     formulate the SPN instead. */
+
+  /* Generate our UTF8 based SPN */
+  utf8_spn = aprintf("%s/%s", service, host);
+  if(!utf8_spn) {
+    return NULL;
+  }
+
+  /* Allocate our TCHAR based SPN */
+  tchar_spn = Curl_convert_UTF8_to_tchar(utf8_spn);
+  if(!tchar_spn) {
+    free(utf8_spn);
+
+    return NULL;
+  }
+
+  /* Release the UTF8 variant when operating with Unicode */
+  Curl_unicodefree(utf8_spn);
+
+  /* Return our newly allocated SPN */
+  return tchar_spn;
+}
+#endif /* USE_WINDOWS_SSPI */
+
+/*
+* Curl_auth_user_contains_domain()
+*
+* This is used to test if the specified user contains a Windows domain name as
+* follows:
+*
+* User\Domain (Down-level Logon Name)
+* User/Domain (curl Down-level format - for compatibility with existing code)
+* User@Domain (User Principal Name)
+*
+* Note: The user name may be empty when using a GSS-API library or Windows SSPI
+* as the user and domain are either obtained from the credentials cache when
+* using GSS-API or via the currently logged in user's credentials when using
+* Windows SSPI.
+*
+* Parameters:
+*
+* user  [in] - The user name.
+*
+* Returns TRUE on success; otherwise FALSE.
+*/
+bool Curl_auth_user_contains_domain(const char *user)
+{
+  bool valid = FALSE;
+
+  if(user && *user) {
+    /* Check we have a domain name or UPN present */
+    char *p = strpbrk(user, "\\/@");
+
+    valid = (p != NULL && p > user && p < user + strlen(user) - 1 ? TRUE :
+                                                                    FALSE);
+  }
+#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
+  else
+    /* User and domain are obtained from the GSS-API credentials cache or the
+       currently logged in user from Windows */
+    valid = TRUE;
+#endif
+
+  return valid;
+}
Index: trunk/src/libs/curl-7.64.0/lib/vauth/vauth.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vauth/vauth.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vauth/vauth.h	(revision 85671)
@@ -0,0 +1,207 @@
+#ifndef HEADER_CURL_VAUTH_H
+#define HEADER_CURL_VAUTH_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2014 - 2017, Steve Holme, <steve_holme@hotmail.com>.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include <curl/curl.h>
+
+struct Curl_easy;
+
+#if !defined(CURL_DISABLE_CRYPTO_AUTH)
+struct digestdata;
+#endif
+
+#if defined(USE_NTLM)
+struct ntlmdata;
+#endif
+
+#if defined(USE_KERBEROS5)
+struct kerberos5data;
+#endif
+
+#if (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)) && defined(USE_SPNEGO)
+struct negotiatedata;
+#endif
+
+#if defined(USE_WINDOWS_SSPI)
+#define GSS_ERROR(status) (status & 0x80000000)
+#endif
+
+/* This is used to build a SPN string */
+#if !defined(USE_WINDOWS_SSPI)
+char *Curl_auth_build_spn(const char *service, const char *host,
+                          const char *realm);
+#else
+TCHAR *Curl_auth_build_spn(const char *service, const char *host,
+                           const char *realm);
+#endif
+
+/* This is used to test if the user contains a Windows domain name */
+bool Curl_auth_user_contains_domain(const char *user);
+
+/* This is used to generate a base64 encoded PLAIN cleartext message */
+CURLcode Curl_auth_create_plain_message(struct Curl_easy *data,
+                                        const char *userp,
+                                        const char *passwdp,
+                                        char **outptr, size_t *outlen);
+
+/* This is used to generate a base64 encoded LOGIN cleartext message */
+CURLcode Curl_auth_create_login_message(struct Curl_easy *data,
+                                        const char *valuep, char **outptr,
+                                        size_t *outlen);
+
+/* This is used to generate a base64 encoded EXTERNAL cleartext message */
+CURLcode Curl_auth_create_external_message(struct Curl_easy *data,
+                                           const char *user, char **outptr,
+                                           size_t *outlen);
+
+#if !defined(CURL_DISABLE_CRYPTO_AUTH)
+/* This is used to decode a CRAM-MD5 challenge message */
+CURLcode Curl_auth_decode_cram_md5_message(const char *chlg64, char **outptr,
+                                           size_t *outlen);
+
+/* This is used to generate a CRAM-MD5 response message */
+CURLcode Curl_auth_create_cram_md5_message(struct Curl_easy *data,
+                                           const char *chlg,
+                                           const char *userp,
+                                           const char *passwdp,
+                                           char **outptr, size_t *outlen);
+
+/* This is used to evaluate if DIGEST is supported */
+bool Curl_auth_is_digest_supported(void);
+
+/* This is used to generate a base64 encoded DIGEST-MD5 response message */
+CURLcode Curl_auth_create_digest_md5_message(struct Curl_easy *data,
+                                             const char *chlg64,
+                                             const char *userp,
+                                             const char *passwdp,
+                                             const char *service,
+                                             char **outptr, size_t *outlen);
+
+/* This is used to decode a HTTP DIGEST challenge message */
+CURLcode Curl_auth_decode_digest_http_message(const char *chlg,
+                                              struct digestdata *digest);
+
+/* This is used to generate a HTTP DIGEST response message */
+CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
+                                              const char *userp,
+                                              const char *passwdp,
+                                              const unsigned char *request,
+                                              const unsigned char *uri,
+                                              struct digestdata *digest,
+                                              char **outptr, size_t *outlen);
+
+/* This is used to clean up the digest specific data */
+void Curl_auth_digest_cleanup(struct digestdata *digest);
+#endif /* !CURL_DISABLE_CRYPTO_AUTH */
+
+#if defined(USE_NTLM)
+/* This is used to evaluate if NTLM is supported */
+bool Curl_auth_is_ntlm_supported(void);
+
+/* This is used to generate a base64 encoded NTLM type-1 message */
+CURLcode Curl_auth_create_ntlm_type1_message(struct Curl_easy *data,
+                                             const char *userp,
+                                             const char *passwdp,
+                                             const char *service,
+                                             const char *host,
+                                             struct ntlmdata *ntlm,
+                                             char **outptr,
+                                             size_t *outlen);
+
+/* This is used to decode a base64 encoded NTLM type-2 message */
+CURLcode Curl_auth_decode_ntlm_type2_message(struct Curl_easy *data,
+                                             const char *type2msg,
+                                             struct ntlmdata *ntlm);
+
+/* This is used to generate a base64 encoded NTLM type-3 message */
+CURLcode Curl_auth_create_ntlm_type3_message(struct Curl_easy *data,
+                                             const char *userp,
+                                             const char *passwdp,
+                                             struct ntlmdata *ntlm,
+                                             char **outptr, size_t *outlen);
+
+/* This is used to clean up the NTLM specific data */
+void Curl_auth_ntlm_cleanup(struct ntlmdata *ntlm);
+#endif /* USE_NTLM */
+
+/* This is used to generate a base64 encoded OAuth 2.0 message */
+CURLcode Curl_auth_create_oauth_bearer_message(struct Curl_easy *data,
+                                               const char *user,
+                                               const char *host,
+                                               const long port,
+                                               const char *bearer,
+                                               char **outptr, size_t *outlen);
+#if defined(USE_KERBEROS5)
+/* This is used to evaluate if GSSAPI (Kerberos V5) is supported */
+bool Curl_auth_is_gssapi_supported(void);
+
+/* This is used to generate a base64 encoded GSSAPI (Kerberos V5) user token
+   message */
+CURLcode Curl_auth_create_gssapi_user_message(struct Curl_easy *data,
+                                              const char *userp,
+                                              const char *passwdp,
+                                              const char *service,
+                                              const char *host,
+                                              const bool mutual,
+                                              const char *chlg64,
+                                              struct kerberos5data *krb5,
+                                              char **outptr, size_t *outlen);
+
+/* This is used to generate a base64 encoded GSSAPI (Kerberos V5) security
+   token message */
+CURLcode Curl_auth_create_gssapi_security_message(struct Curl_easy *data,
+                                                  const char *input,
+                                                  struct kerberos5data *krb5,
+                                                  char **outptr,
+                                                  size_t *outlen);
+
+/* This is used to clean up the GSSAPI specific data */
+void Curl_auth_gssapi_cleanup(struct kerberos5data *krb5);
+#endif /* USE_KERBEROS5 */
+
+#if defined(USE_SPNEGO)
+/* This is used to evaluate if SPNEGO (Negotiate) is supported */
+bool Curl_auth_is_spnego_supported(void);
+
+/* This is used to decode a base64 encoded SPNEGO (Negotiate) challenge
+   message */
+CURLcode Curl_auth_decode_spnego_message(struct Curl_easy *data,
+                                         const char *user,
+                                         const char *passwood,
+                                         const char *service,
+                                         const char *host,
+                                         const char *chlg64,
+                                         struct negotiatedata *nego);
+
+/* This is used to generate a base64 encoded SPNEGO (Negotiate) response
+   message */
+CURLcode Curl_auth_create_spnego_message(struct Curl_easy *data,
+                                         struct negotiatedata *nego,
+                                         char **outptr, size_t *outlen);
+
+/* This is used to clean up the SPNEGO specifiec data */
+void Curl_auth_spnego_cleanup(struct negotiatedata *nego);
+
+#endif /* USE_SPNEGO */
+
+#endif /* HEADER_CURL_VAUTH_H */
Index: trunk/src/libs/curl-7.64.0/lib/version.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/version.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/version.c	(revision 85671)
@@ -0,0 +1,456 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+#include "urldata.h"
+#include "vtls/vtls.h"
+#include "http2.h"
+#include "ssh.h"
+#include "curl_printf.h"
+
+#ifdef USE_ARES
+#  if defined(CURL_STATICLIB) && !defined(CARES_STATICLIB) && \
+     (defined(WIN32) || defined(_WIN32) || defined(__SYMBIAN32__))
+#    define CARES_STATICLIB
+#  endif
+#  include <ares.h>
+#endif
+
+#ifdef USE_LIBIDN2
+#include <idn2.h>
+#endif
+
+#ifdef USE_LIBPSL
+#include <libpsl.h>
+#endif
+
+#if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
+#include <iconv.h>
+#endif
+
+#ifdef USE_LIBRTMP
+#include <librtmp/rtmp.h>
+#endif
+
+#ifdef USE_LIBSSH2
+#include <libssh2.h>
+#endif
+
+#ifdef HAVE_LIBSSH2_VERSION
+/* get it run-time if possible */
+#define CURL_LIBSSH2_VERSION libssh2_version(0)
+#else
+/* use build-time if run-time not possible */
+#define CURL_LIBSSH2_VERSION LIBSSH2_VERSION
+#endif
+
+#ifdef HAVE_ZLIB_H
+#include <zlib.h>
+#ifdef __SYMBIAN32__
+/* zlib pollutes the namespace with this definition */
+#undef WIN32
+#endif
+#endif
+
+#ifdef HAVE_BROTLI
+#include <brotli/decode.h>
+#endif
+
+void Curl_version_init(void);
+
+/* For thread safety purposes this function is called by global_init so that
+   the static data in both version functions is initialized. */
+void Curl_version_init(void)
+{
+  curl_version();
+  curl_version_info(CURLVERSION_NOW);
+}
+
+#ifdef HAVE_BROTLI
+static size_t brotli_version(char *buf, size_t bufsz)
+{
+  uint32_t brotli_version = BrotliDecoderVersion();
+  unsigned int major = brotli_version >> 24;
+  unsigned int minor = (brotli_version & 0x00FFFFFF) >> 12;
+  unsigned int patch = brotli_version & 0x00000FFF;
+
+  return msnprintf(buf, bufsz, "%u.%u.%u", major, minor, patch);
+}
+#endif
+
+char *curl_version(void)
+{
+  static bool initialized;
+  static char version[200];
+  char *ptr = version;
+  size_t len;
+  size_t left = sizeof(version);
+
+  if(initialized)
+    return version;
+
+  strcpy(ptr, LIBCURL_NAME "/" LIBCURL_VERSION);
+  len = strlen(ptr);
+  left -= len;
+  ptr += len;
+
+  if(left > 1) {
+    len = Curl_ssl_version(ptr + 1, left - 1);
+
+    if(len > 0) {
+      *ptr = ' ';
+      left -= ++len;
+      ptr += len;
+    }
+  }
+
+#ifdef HAVE_LIBZ
+  len = msnprintf(ptr, left, " zlib/%s", zlibVersion());
+  left -= len;
+  ptr += len;
+#endif
+#ifdef HAVE_BROTLI
+  len = msnprintf(ptr, left, "%s", " brotli/");
+  left -= len;
+  ptr += len;
+  len = brotli_version(ptr, left);
+  left -= len;
+  ptr += len;
+#endif
+#ifdef USE_ARES
+  /* this function is only present in c-ares, not in the original ares */
+  len = msnprintf(ptr, left, " c-ares/%s", ares_version(NULL));
+  left -= len;
+  ptr += len;
+#endif
+#ifdef USE_LIBIDN2
+  if(idn2_check_version(IDN2_VERSION)) {
+    len = msnprintf(ptr, left, " libidn2/%s", idn2_check_version(NULL));
+    left -= len;
+    ptr += len;
+  }
+#endif
+#ifdef USE_LIBPSL
+  len = msnprintf(ptr, left, " libpsl/%s", psl_get_version());
+  left -= len;
+  ptr += len;
+#endif
+#ifdef USE_WIN32_IDN
+  len = msnprintf(ptr, left, " WinIDN");
+  left -= len;
+  ptr += len;
+#endif
+#if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
+#ifdef _LIBICONV_VERSION
+  len = msnprintf(ptr, left, " iconv/%d.%d",
+                  _LIBICONV_VERSION >> 8, _LIBICONV_VERSION & 255);
+#else
+  /* version unknown */
+  len = msnprintf(ptr, left, " iconv");
+#endif /* _LIBICONV_VERSION */
+  left -= len;
+  ptr += len;
+#endif
+#ifdef USE_LIBSSH2
+  len = msnprintf(ptr, left, " libssh2/%s", CURL_LIBSSH2_VERSION);
+  left -= len;
+  ptr += len;
+#endif
+#ifdef USE_LIBSSH
+  len = msnprintf(ptr, left, " libssh/%s", CURL_LIBSSH_VERSION);
+  left -= len;
+  ptr += len;
+#endif
+#ifdef USE_NGHTTP2
+  len = Curl_http2_ver(ptr, left);
+  left -= len;
+  ptr += len;
+#endif
+#ifdef USE_LIBRTMP
+  {
+    char suff[2];
+    if(RTMP_LIB_VERSION & 0xff) {
+      suff[0] = (RTMP_LIB_VERSION & 0xff) + 'a' - 1;
+      suff[1] = '\0';
+    }
+    else
+      suff[0] = '\0';
+
+    msnprintf(ptr, left, " librtmp/%d.%d%s",
+              RTMP_LIB_VERSION >> 16, (RTMP_LIB_VERSION >> 8) & 0xff,
+              suff);
+/*
+  If another lib version is added below this one, this code would
+  also have to do:
+
+    len = what msnprintf() returned
+
+    left -= len;
+    ptr += len;
+*/
+  }
+#endif
+
+  initialized = true;
+  return version;
+}
+
+/* data for curl_version_info
+
+   Keep the list sorted alphabetically. It is also written so that each
+   protocol line has its own #if line to make things easier on the eye.
+ */
+
+static const char * const protocols[] = {
+#ifndef CURL_DISABLE_DICT
+  "dict",
+#endif
+#ifndef CURL_DISABLE_FILE
+  "file",
+#endif
+#ifndef CURL_DISABLE_FTP
+  "ftp",
+#endif
+#if defined(USE_SSL) && !defined(CURL_DISABLE_FTP)
+  "ftps",
+#endif
+#ifndef CURL_DISABLE_GOPHER
+  "gopher",
+#endif
+#ifndef CURL_DISABLE_HTTP
+  "http",
+#endif
+#if defined(USE_SSL) && !defined(CURL_DISABLE_HTTP)
+  "https",
+#endif
+#ifndef CURL_DISABLE_IMAP
+  "imap",
+#endif
+#if defined(USE_SSL) && !defined(CURL_DISABLE_IMAP)
+  "imaps",
+#endif
+#ifndef CURL_DISABLE_LDAP
+  "ldap",
+#if !defined(CURL_DISABLE_LDAPS) && \
+    ((defined(USE_OPENLDAP) && defined(USE_SSL)) || \
+     (!defined(USE_OPENLDAP) && defined(HAVE_LDAP_SSL)))
+  "ldaps",
+#endif
+#endif
+#ifndef CURL_DISABLE_POP3
+  "pop3",
+#endif
+#if defined(USE_SSL) && !defined(CURL_DISABLE_POP3)
+  "pop3s",
+#endif
+#ifdef USE_LIBRTMP
+  "rtmp",
+#endif
+#ifndef CURL_DISABLE_RTSP
+  "rtsp",
+#endif
+#if defined(USE_LIBSSH) || defined(USE_LIBSSH2)
+  "scp",
+  "sftp",
+#endif
+#if !defined(CURL_DISABLE_SMB) && defined(USE_NTLM) && \
+   (CURL_SIZEOF_CURL_OFF_T > 4) && \
+   (!defined(USE_WINDOWS_SSPI) || defined(USE_WIN32_CRYPTO))
+  "smb",
+#  ifdef USE_SSL
+  "smbs",
+#  endif
+#endif
+#ifndef CURL_DISABLE_SMTP
+  "smtp",
+#endif
+#if defined(USE_SSL) && !defined(CURL_DISABLE_SMTP)
+  "smtps",
+#endif
+#ifndef CURL_DISABLE_TELNET
+  "telnet",
+#endif
+#ifndef CURL_DISABLE_TFTP
+  "tftp",
+#endif
+
+  NULL
+};
+
+static curl_version_info_data version_info = {
+  CURLVERSION_NOW,
+  LIBCURL_VERSION,
+  LIBCURL_VERSION_NUM,
+  OS, /* as found by configure or set by hand at build-time */
+  0 /* features is 0 by default */
+#ifdef ENABLE_IPV6
+  | CURL_VERSION_IPV6
+#endif
+#ifdef USE_SSL
+  | CURL_VERSION_SSL
+#endif
+#ifdef USE_NTLM
+  | CURL_VERSION_NTLM
+#endif
+#if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM) && \
+  defined(NTLM_WB_ENABLED)
+  | CURL_VERSION_NTLM_WB
+#endif
+#ifdef USE_SPNEGO
+  | CURL_VERSION_SPNEGO
+#endif
+#ifdef USE_KERBEROS5
+  | CURL_VERSION_KERBEROS5
+#endif
+#ifdef HAVE_GSSAPI
+  | CURL_VERSION_GSSAPI
+#endif
+#ifdef USE_WINDOWS_SSPI
+  | CURL_VERSION_SSPI
+#endif
+#ifdef HAVE_LIBZ
+  | CURL_VERSION_LIBZ
+#endif
+#ifdef DEBUGBUILD
+  | CURL_VERSION_DEBUG
+#endif
+#ifdef CURLDEBUG
+  | CURL_VERSION_CURLDEBUG
+#endif
+#ifdef CURLRES_ASYNCH
+  | CURL_VERSION_ASYNCHDNS
+#endif
+#if (CURL_SIZEOF_CURL_OFF_T > 4) && \
+    ( (SIZEOF_OFF_T > 4) || defined(USE_WIN32_LARGE_FILES) )
+  | CURL_VERSION_LARGEFILE
+#endif
+#if defined(CURL_DOES_CONVERSIONS)
+  | CURL_VERSION_CONV
+#endif
+#if defined(USE_TLS_SRP)
+  | CURL_VERSION_TLSAUTH_SRP
+#endif
+#if defined(USE_NGHTTP2)
+  | CURL_VERSION_HTTP2
+#endif
+#if defined(USE_UNIX_SOCKETS)
+  | CURL_VERSION_UNIX_SOCKETS
+#endif
+#if defined(USE_LIBPSL)
+  | CURL_VERSION_PSL
+#endif
+#if defined(CURL_WITH_MULTI_SSL)
+  | CURL_VERSION_MULTI_SSL
+#endif
+#if defined(HAVE_BROTLI)
+  | CURL_VERSION_BROTLI
+#endif
+  ,
+  NULL, /* ssl_version */
+  0,    /* ssl_version_num, this is kept at zero */
+  NULL, /* zlib_version */
+  protocols,
+  NULL, /* c-ares version */
+  0,    /* c-ares version numerical */
+  NULL, /* libidn version */
+  0,    /* iconv version */
+  NULL, /* ssh lib version */
+  0,    /* brotli_ver_num */
+  NULL, /* brotli version */
+};
+
+curl_version_info_data *curl_version_info(CURLversion stamp)
+{
+  static bool initialized;
+#if defined(USE_LIBSSH) || defined(USE_LIBSSH2)
+  static char ssh_buffer[80];
+#endif
+#ifdef USE_SSL
+  static char ssl_buffer[80];
+#endif
+#ifdef HAVE_BROTLI
+  static char brotli_buffer[80];
+#endif
+
+  if(initialized)
+    return &version_info;
+
+#ifdef USE_SSL
+  Curl_ssl_version(ssl_buffer, sizeof(ssl_buffer));
+  version_info.ssl_version = ssl_buffer;
+  if(Curl_ssl->supports & SSLSUPP_HTTPS_PROXY)
+    version_info.features |= CURL_VERSION_HTTPS_PROXY;
+  else
+    version_info.features &= ~CURL_VERSION_HTTPS_PROXY;
+#endif
+
+#ifdef HAVE_LIBZ
+  version_info.libz_version = zlibVersion();
+  /* libz left NULL if non-existing */
+#endif
+#ifdef USE_ARES
+  {
+    int aresnum;
+    version_info.ares = ares_version(&aresnum);
+    version_info.ares_num = aresnum;
+  }
+#endif
+#ifdef USE_LIBIDN2
+  /* This returns a version string if we use the given version or later,
+     otherwise it returns NULL */
+  version_info.libidn = idn2_check_version(IDN2_VERSION);
+  if(version_info.libidn)
+    version_info.features |= CURL_VERSION_IDN;
+#elif defined(USE_WIN32_IDN)
+  version_info.features |= CURL_VERSION_IDN;
+#endif
+
+#if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
+#ifdef _LIBICONV_VERSION
+  version_info.iconv_ver_num = _LIBICONV_VERSION;
+#else
+  /* version unknown */
+  version_info.iconv_ver_num = -1;
+#endif /* _LIBICONV_VERSION */
+#endif
+
+#if defined(USE_LIBSSH2)
+  msnprintf(ssh_buffer, sizeof(ssh_buffer), "libssh2/%s", LIBSSH2_VERSION);
+  version_info.libssh_version = ssh_buffer;
+#elif defined(USE_LIBSSH)
+  msnprintf(ssh_buffer, sizeof(ssh_buffer), "libssh/%s", CURL_LIBSSH_VERSION);
+  version_info.libssh_version = ssh_buffer;
+#endif
+
+#ifdef HAVE_BROTLI
+  version_info.brotli_ver_num = BrotliDecoderVersion();
+  brotli_version(brotli_buffer, sizeof(brotli_buffer));
+  version_info.brotli_version = brotli_buffer;
+#endif
+
+  (void)stamp; /* avoid compiler warnings, we don't use this */
+
+  initialized = true;
+  return &version_info;
+}
Index: trunk/src/libs/curl-7.64.0/lib/vtls/cyassl.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/cyassl.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/cyassl.c	(revision 85671)
@@ -0,0 +1,1034 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Source file for all CyaSSL-specific code for the TLS/SSL layer. No code
+ * but vtls.c should ever call or use these functions.
+ *
+ */
+
+#include "curl_setup.h"
+
+#ifdef USE_CYASSL
+
+#define WOLFSSL_OPTIONS_IGNORE_SYS
+/* CyaSSL's version.h, which should contain only the version, should come
+before all other CyaSSL includes and be immediately followed by build config
+aka options.h. https://curl.haxx.se/mail/lib-2015-04/0069.html */
+#include <cyassl/version.h>
+#if defined(HAVE_CYASSL_OPTIONS_H) && (LIBCYASSL_VERSION_HEX > 0x03004008)
+#if defined(CYASSL_API) || defined(WOLFSSL_API)
+/* Safety measure. If either is defined some API include was already included
+and that's a problem since options.h hasn't been included yet. */
+#error "CyaSSL API was included before the CyaSSL build options."
+#endif
+#include <cyassl/options.h>
+#endif
+
+/* To determine what functions are available we rely on one or both of:
+   - the user's options.h generated by CyaSSL/wolfSSL
+   - the symbols detected by curl's configure
+   Since they are markedly different from one another, and one or the other may
+   not be available, we do some checking below to bring things in sync. */
+
+/* HAVE_ALPN is wolfSSL's build time symbol for enabling ALPN in options.h. */
+#ifndef HAVE_ALPN
+#ifdef HAVE_WOLFSSL_USEALPN
+#define HAVE_ALPN
+#endif
+#endif
+
+/* WOLFSSL_ALLOW_SSLV3 is wolfSSL's build time symbol for enabling SSLv3 in
+   options.h, but is only seen in >= 3.6.6 since that's when they started
+   disabling SSLv3 by default. */
+#ifndef WOLFSSL_ALLOW_SSLV3
+#if (LIBCYASSL_VERSION_HEX < 0x03006006) || \
+    defined(HAVE_WOLFSSLV3_CLIENT_METHOD)
+#define WOLFSSL_ALLOW_SSLV3
+#endif
+#endif
+
+/* HAVE_SUPPORTED_CURVES is wolfSSL's build time symbol for enabling the ECC
+   supported curve extension in options.h. Note ECC is enabled separately. */
+#ifndef HAVE_SUPPORTED_CURVES
+#if defined(HAVE_CYASSL_CTX_USESUPPORTEDCURVE) || \
+    defined(HAVE_WOLFSSL_CTX_USESUPPORTEDCURVE)
+#define HAVE_SUPPORTED_CURVES
+#endif
+#endif
+
+#include <limits.h>
+
+#include "urldata.h"
+#include "sendf.h"
+#include "inet_pton.h"
+#include "vtls.h"
+#include "parsedate.h"
+#include "connect.h" /* for the connect timeout */
+#include "select.h"
+#include "strcase.h"
+#include "x509asn1.h"
+#include "curl_printf.h"
+
+#include <cyassl/openssl/ssl.h>
+#include <cyassl/ssl.h>
+#ifdef HAVE_CYASSL_ERROR_SSL_H
+#include <cyassl/error-ssl.h>
+#else
+#include <cyassl/error.h>
+#endif
+#include <cyassl/ctaocrypt/random.h>
+#include <cyassl/ctaocrypt/sha256.h>
+
+#include "cyassl.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#if LIBCYASSL_VERSION_HEX < 0x02007002 /* < 2.7.2 */
+#define CYASSL_MAX_ERROR_SZ 80
+#endif
+
+/* KEEP_PEER_CERT is a product of the presence of build time symbol
+   OPENSSL_EXTRA without NO_CERTS, depending on the version. KEEP_PEER_CERT is
+   in wolfSSL's settings.h, and the latter two are build time symbols in
+   options.h. */
+#ifndef KEEP_PEER_CERT
+#if defined(HAVE_CYASSL_GET_PEER_CERTIFICATE) || \
+    defined(HAVE_WOLFSSL_GET_PEER_CERTIFICATE) || \
+    (defined(OPENSSL_EXTRA) && !defined(NO_CERTS))
+#define KEEP_PEER_CERT
+#endif
+#endif
+
+struct ssl_backend_data {
+  SSL_CTX* ctx;
+  SSL*     handle;
+};
+
+#define BACKEND connssl->backend
+
+static Curl_recv cyassl_recv;
+static Curl_send cyassl_send;
+
+
+static int do_file_type(const char *type)
+{
+  if(!type || !type[0])
+    return SSL_FILETYPE_PEM;
+  if(strcasecompare(type, "PEM"))
+    return SSL_FILETYPE_PEM;
+  if(strcasecompare(type, "DER"))
+    return SSL_FILETYPE_ASN1;
+  return -1;
+}
+
+/*
+ * This function loads all the client/CA certificates and CRLs. Setup the TLS
+ * layer and do all necessary magic.
+ */
+static CURLcode
+cyassl_connect_step1(struct connectdata *conn,
+                     int sockindex)
+{
+  char error_buffer[CYASSL_MAX_ERROR_SZ];
+  char *ciphers;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data* connssl = &conn->ssl[sockindex];
+  SSL_METHOD* req_method = NULL;
+  curl_socket_t sockfd = conn->sock[sockindex];
+#ifdef HAVE_SNI
+  bool sni = FALSE;
+#define use_sni(x)  sni = (x)
+#else
+#define use_sni(x)  Curl_nop_stmt
+#endif
+
+  if(connssl->state == ssl_connection_complete)
+    return CURLE_OK;
+
+  if(SSL_CONN_CONFIG(version_max) != CURL_SSLVERSION_MAX_NONE) {
+    failf(data, "CyaSSL does not support to set maximum SSL/TLS version");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  /* check to see if we've been told to use an explicit SSL/TLS version */
+  switch(SSL_CONN_CONFIG(version)) {
+  case CURL_SSLVERSION_DEFAULT:
+  case CURL_SSLVERSION_TLSv1:
+#if LIBCYASSL_VERSION_HEX >= 0x03003000 /* >= 3.3.0 */
+    /* minimum protocol version is set later after the CTX object is created */
+    req_method = SSLv23_client_method();
+#else
+    infof(data, "CyaSSL <3.3.0 cannot be configured to use TLS 1.0-1.2, "
+          "TLS 1.0 is used exclusively\n");
+    req_method = TLSv1_client_method();
+#endif
+    use_sni(TRUE);
+    break;
+  case CURL_SSLVERSION_TLSv1_0:
+#ifdef WOLFSSL_ALLOW_TLSV10
+    req_method = TLSv1_client_method();
+    use_sni(TRUE);
+#else
+    failf(data, "CyaSSL does not support TLS 1.0");
+    return CURLE_NOT_BUILT_IN;
+#endif
+    break;
+  case CURL_SSLVERSION_TLSv1_1:
+    req_method = TLSv1_1_client_method();
+    use_sni(TRUE);
+    break;
+  case CURL_SSLVERSION_TLSv1_2:
+    req_method = TLSv1_2_client_method();
+    use_sni(TRUE);
+    break;
+  case CURL_SSLVERSION_TLSv1_3:
+#ifdef WOLFSSL_TLS13
+    req_method = wolfTLSv1_3_client_method();
+    use_sni(TRUE);
+    break;
+#else
+    failf(data, "CyaSSL: TLS 1.3 is not yet supported");
+    return CURLE_SSL_CONNECT_ERROR;
+#endif
+  case CURL_SSLVERSION_SSLv3:
+#ifdef WOLFSSL_ALLOW_SSLV3
+    req_method = SSLv3_client_method();
+    use_sni(FALSE);
+#else
+    failf(data, "CyaSSL does not support SSLv3");
+    return CURLE_NOT_BUILT_IN;
+#endif
+    break;
+  case CURL_SSLVERSION_SSLv2:
+    failf(data, "CyaSSL does not support SSLv2");
+    return CURLE_SSL_CONNECT_ERROR;
+  default:
+    failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  if(!req_method) {
+    failf(data, "SSL: couldn't create a method!");
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  if(BACKEND->ctx)
+    SSL_CTX_free(BACKEND->ctx);
+  BACKEND->ctx = SSL_CTX_new(req_method);
+
+  if(!BACKEND->ctx) {
+    failf(data, "SSL: couldn't create a context!");
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  switch(SSL_CONN_CONFIG(version)) {
+  case CURL_SSLVERSION_DEFAULT:
+  case CURL_SSLVERSION_TLSv1:
+#if LIBCYASSL_VERSION_HEX > 0x03004006 /* > 3.4.6 */
+    /* Versions 3.3.0 to 3.4.6 we know the minimum protocol version is whatever
+    minimum version of TLS was built in and at least TLS 1.0. For later library
+    versions that could change (eg TLS 1.0 built in but defaults to TLS 1.1) so
+    we have this short circuit evaluation to find the minimum supported TLS
+    version. We use wolfSSL_CTX_SetMinVersion and not CyaSSL_SetMinVersion
+    because only the former will work before the user's CTX callback is called.
+    */
+    if((wolfSSL_CTX_SetMinVersion(BACKEND->ctx, WOLFSSL_TLSV1) != 1) &&
+       (wolfSSL_CTX_SetMinVersion(BACKEND->ctx, WOLFSSL_TLSV1_1) != 1) &&
+       (wolfSSL_CTX_SetMinVersion(BACKEND->ctx, WOLFSSL_TLSV1_2) != 1)
+#ifdef WOLFSSL_TLS13
+       && (wolfSSL_CTX_SetMinVersion(BACKEND->ctx, WOLFSSL_TLSV1_3) != 1)
+#endif
+      ) {
+      failf(data, "SSL: couldn't set the minimum protocol version");
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+#endif
+    break;
+  }
+
+  ciphers = SSL_CONN_CONFIG(cipher_list);
+  if(ciphers) {
+    if(!SSL_CTX_set_cipher_list(BACKEND->ctx, ciphers)) {
+      failf(data, "failed setting cipher list: %s", ciphers);
+      return CURLE_SSL_CIPHER;
+    }
+    infof(data, "Cipher selection: %s\n", ciphers);
+  }
+
+#ifndef NO_FILESYSTEM
+  /* load trusted cacert */
+  if(SSL_CONN_CONFIG(CAfile)) {
+    if(1 != SSL_CTX_load_verify_locations(BACKEND->ctx,
+                                      SSL_CONN_CONFIG(CAfile),
+                                      SSL_CONN_CONFIG(CApath))) {
+      if(SSL_CONN_CONFIG(verifypeer)) {
+        /* Fail if we insist on successfully verifying the server. */
+        failf(data, "error setting certificate verify locations:\n"
+              "  CAfile: %s\n  CApath: %s",
+              SSL_CONN_CONFIG(CAfile)?
+              SSL_CONN_CONFIG(CAfile): "none",
+              SSL_CONN_CONFIG(CApath)?
+              SSL_CONN_CONFIG(CApath) : "none");
+        return CURLE_SSL_CACERT_BADFILE;
+      }
+      else {
+        /* Just continue with a warning if no strict certificate
+           verification is required. */
+        infof(data, "error setting certificate verify locations,"
+              " continuing anyway:\n");
+      }
+    }
+    else {
+      /* Everything is fine. */
+      infof(data, "successfully set certificate verify locations:\n");
+    }
+    infof(data,
+          "  CAfile: %s\n"
+          "  CApath: %s\n",
+          SSL_CONN_CONFIG(CAfile) ? SSL_CONN_CONFIG(CAfile):
+          "none",
+          SSL_CONN_CONFIG(CApath) ? SSL_CONN_CONFIG(CApath):
+          "none");
+  }
+
+  /* Load the client certificate, and private key */
+  if(SSL_SET_OPTION(cert) && SSL_SET_OPTION(key)) {
+    int file_type = do_file_type(SSL_SET_OPTION(cert_type));
+
+    if(SSL_CTX_use_certificate_file(BACKEND->ctx, SSL_SET_OPTION(cert),
+                                     file_type) != 1) {
+      failf(data, "unable to use client certificate (no key or wrong pass"
+            " phrase?)");
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+
+    file_type = do_file_type(SSL_SET_OPTION(key_type));
+    if(SSL_CTX_use_PrivateKey_file(BACKEND->ctx, SSL_SET_OPTION(key),
+                                    file_type) != 1) {
+      failf(data, "unable to set private key");
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+  }
+#endif /* !NO_FILESYSTEM */
+
+  /* SSL always tries to verify the peer, this only says whether it should
+   * fail to connect if the verification fails, or if it should continue
+   * anyway. In the latter case the result of the verification is checked with
+   * SSL_get_verify_result() below. */
+  SSL_CTX_set_verify(BACKEND->ctx,
+                     SSL_CONN_CONFIG(verifypeer)?SSL_VERIFY_PEER:
+                                                 SSL_VERIFY_NONE,
+                     NULL);
+
+#ifdef HAVE_SNI
+  if(sni) {
+    struct in_addr addr4;
+#ifdef ENABLE_IPV6
+    struct in6_addr addr6;
+#endif
+    const char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
+      conn->host.name;
+    size_t hostname_len = strlen(hostname);
+    if((hostname_len < USHRT_MAX) &&
+       (0 == Curl_inet_pton(AF_INET, hostname, &addr4)) &&
+#ifdef ENABLE_IPV6
+       (0 == Curl_inet_pton(AF_INET6, hostname, &addr6)) &&
+#endif
+       (CyaSSL_CTX_UseSNI(BACKEND->ctx, CYASSL_SNI_HOST_NAME, hostname,
+                          (unsigned short)hostname_len) != 1)) {
+      infof(data, "WARNING: failed to configure server name indication (SNI) "
+            "TLS extension\n");
+    }
+  }
+#endif
+
+#ifdef HAVE_SUPPORTED_CURVES
+  /* CyaSSL/wolfSSL does not send the supported ECC curves ext automatically:
+     https://github.com/wolfSSL/wolfssl/issues/366
+     The supported curves below are those also supported by OpenSSL 1.0.2 and
+     in the same order. */
+  CyaSSL_CTX_UseSupportedCurve(BACKEND->ctx, 0x17); /* secp256r1 */
+  CyaSSL_CTX_UseSupportedCurve(BACKEND->ctx, 0x19); /* secp521r1 */
+  CyaSSL_CTX_UseSupportedCurve(BACKEND->ctx, 0x18); /* secp384r1 */
+#endif
+
+  /* give application a chance to interfere with SSL set up. */
+  if(data->set.ssl.fsslctx) {
+    CURLcode result = CURLE_OK;
+    result = (*data->set.ssl.fsslctx)(data, BACKEND->ctx,
+                                      data->set.ssl.fsslctxp);
+    if(result) {
+      failf(data, "error signaled by ssl ctx callback");
+      return result;
+    }
+  }
+#ifdef NO_FILESYSTEM
+  else if(SSL_CONN_CONFIG(verifypeer)) {
+    failf(data, "SSL: Certificates couldn't be loaded because CyaSSL was built"
+          " with \"no filesystem\". Either disable peer verification"
+          " (insecure) or if you are building an application with libcurl you"
+          " can load certificates via CURLOPT_SSL_CTX_FUNCTION.");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+#endif
+
+  /* Let's make an SSL structure */
+  if(BACKEND->handle)
+    SSL_free(BACKEND->handle);
+  BACKEND->handle = SSL_new(BACKEND->ctx);
+  if(!BACKEND->handle) {
+    failf(data, "SSL: couldn't create a context (handle)!");
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+#ifdef HAVE_ALPN
+  if(conn->bits.tls_enable_alpn) {
+    char protocols[128];
+    *protocols = '\0';
+
+    /* wolfSSL's ALPN protocol name list format is a comma separated string of
+       protocols in descending order of preference, eg: "h2,http/1.1" */
+
+#ifdef USE_NGHTTP2
+    if(data->set.httpversion >= CURL_HTTP_VERSION_2) {
+      strcpy(protocols + strlen(protocols), NGHTTP2_PROTO_VERSION_ID ",");
+      infof(data, "ALPN, offering %s\n", NGHTTP2_PROTO_VERSION_ID);
+    }
+#endif
+
+    strcpy(protocols + strlen(protocols), ALPN_HTTP_1_1);
+    infof(data, "ALPN, offering %s\n", ALPN_HTTP_1_1);
+
+    if(wolfSSL_UseALPN(BACKEND->handle, protocols,
+                       (unsigned)strlen(protocols),
+                       WOLFSSL_ALPN_CONTINUE_ON_MISMATCH) != SSL_SUCCESS) {
+      failf(data, "SSL: failed setting ALPN protocols");
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+  }
+#endif /* HAVE_ALPN */
+
+  /* Check if there's a cached ID we can/should use here! */
+  if(SSL_SET_OPTION(primary.sessionid)) {
+    void *ssl_sessionid = NULL;
+
+    Curl_ssl_sessionid_lock(conn);
+    if(!Curl_ssl_getsessionid(conn, &ssl_sessionid, NULL, sockindex)) {
+      /* we got a session id, use it! */
+      if(!SSL_set_session(BACKEND->handle, ssl_sessionid)) {
+        Curl_ssl_sessionid_unlock(conn);
+        failf(data, "SSL: SSL_set_session failed: %s",
+              ERR_error_string(SSL_get_error(BACKEND->handle, 0),
+              error_buffer));
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      /* Informational message */
+      infof(data, "SSL re-using session ID\n");
+    }
+    Curl_ssl_sessionid_unlock(conn);
+  }
+
+  /* pass the raw socket into the SSL layer */
+  if(!SSL_set_fd(BACKEND->handle, (int)sockfd)) {
+    failf(data, "SSL: SSL_set_fd failed");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  connssl->connecting_state = ssl_connect_2;
+  return CURLE_OK;
+}
+
+
+static CURLcode
+cyassl_connect_step2(struct connectdata *conn,
+                     int sockindex)
+{
+  int ret = -1;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data* connssl = &conn->ssl[sockindex];
+  const char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
+    conn->host.name;
+  const char * const dispname = SSL_IS_PROXY() ?
+    conn->http_proxy.host.dispname : conn->host.dispname;
+  const char * const pinnedpubkey = SSL_IS_PROXY() ?
+                        data->set.str[STRING_SSL_PINNEDPUBLICKEY_PROXY] :
+                        data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG];
+
+  conn->recv[sockindex] = cyassl_recv;
+  conn->send[sockindex] = cyassl_send;
+
+  /* Enable RFC2818 checks */
+  if(SSL_CONN_CONFIG(verifyhost)) {
+    ret = CyaSSL_check_domain_name(BACKEND->handle, hostname);
+    if(ret == SSL_FAILURE)
+      return CURLE_OUT_OF_MEMORY;
+  }
+
+  ret = SSL_connect(BACKEND->handle);
+  if(ret != 1) {
+    char error_buffer[CYASSL_MAX_ERROR_SZ];
+    int  detail = SSL_get_error(BACKEND->handle, ret);
+
+    if(SSL_ERROR_WANT_READ == detail) {
+      connssl->connecting_state = ssl_connect_2_reading;
+      return CURLE_OK;
+    }
+    else if(SSL_ERROR_WANT_WRITE == detail) {
+      connssl->connecting_state = ssl_connect_2_writing;
+      return CURLE_OK;
+    }
+    /* There is no easy way to override only the CN matching.
+     * This will enable the override of both mismatching SubjectAltNames
+     * as also mismatching CN fields */
+    else if(DOMAIN_NAME_MISMATCH == detail) {
+#if 1
+      failf(data, "\tsubject alt name(s) or common name do not match \"%s\"\n",
+            dispname);
+      return CURLE_PEER_FAILED_VERIFICATION;
+#else
+      /* When the CyaSSL_check_domain_name() is used and you desire to continue
+       * on a DOMAIN_NAME_MISMATCH, i.e. 'conn->ssl_config.verifyhost == 0',
+       * CyaSSL version 2.4.0 will fail with an INCOMPLETE_DATA error. The only
+       * way to do this is currently to switch the CyaSSL_check_domain_name()
+       * in and out based on the 'conn->ssl_config.verifyhost' value. */
+      if(SSL_CONN_CONFIG(verifyhost)) {
+        failf(data,
+              "\tsubject alt name(s) or common name do not match \"%s\"\n",
+              dispname);
+        return CURLE_PEER_FAILED_VERIFICATION;
+      }
+      else {
+        infof(data,
+              "\tsubject alt name(s) and/or common name do not match \"%s\"\n",
+              dispname);
+        return CURLE_OK;
+      }
+#endif
+    }
+#if LIBCYASSL_VERSION_HEX >= 0x02007000 /* 2.7.0 */
+    else if(ASN_NO_SIGNER_E == detail) {
+      if(SSL_CONN_CONFIG(verifypeer)) {
+        failf(data, "\tCA signer not available for verification\n");
+        return CURLE_SSL_CACERT_BADFILE;
+      }
+      else {
+        /* Just continue with a warning if no strict certificate
+           verification is required. */
+        infof(data, "CA signer not available for verification, "
+                    "continuing anyway\n");
+      }
+    }
+#endif
+    else {
+      failf(data, "SSL_connect failed with error %d: %s", detail,
+          ERR_error_string(detail, error_buffer));
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+  }
+
+  if(pinnedpubkey) {
+#ifdef KEEP_PEER_CERT
+    X509 *x509;
+    const char *x509_der;
+    int x509_der_len;
+    curl_X509certificate x509_parsed;
+    curl_asn1Element *pubkey;
+    CURLcode result;
+
+    x509 = SSL_get_peer_certificate(BACKEND->handle);
+    if(!x509) {
+      failf(data, "SSL: failed retrieving server certificate");
+      return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+    }
+
+    x509_der = (const char *)CyaSSL_X509_get_der(x509, &x509_der_len);
+    if(!x509_der) {
+      failf(data, "SSL: failed retrieving ASN.1 server certificate");
+      return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+    }
+
+    memset(&x509_parsed, 0, sizeof(x509_parsed));
+    if(Curl_parseX509(&x509_parsed, x509_der, x509_der + x509_der_len))
+      return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+
+    pubkey = &x509_parsed.subjectPublicKeyInfo;
+    if(!pubkey->header || pubkey->end <= pubkey->header) {
+      failf(data, "SSL: failed retrieving public key from server certificate");
+      return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+    }
+
+    result = Curl_pin_peer_pubkey(data,
+                                  pinnedpubkey,
+                                  (const unsigned char *)pubkey->header,
+                                  (size_t)(pubkey->end - pubkey->header));
+    if(result) {
+      failf(data, "SSL: public key does not match pinned public key!");
+      return result;
+    }
+#else
+    failf(data, "Library lacks pinning support built-in");
+    return CURLE_NOT_BUILT_IN;
+#endif
+  }
+
+#ifdef HAVE_ALPN
+  if(conn->bits.tls_enable_alpn) {
+    int rc;
+    char *protocol = NULL;
+    unsigned short protocol_len = 0;
+
+    rc = wolfSSL_ALPN_GetProtocol(BACKEND->handle, &protocol, &protocol_len);
+
+    if(rc == SSL_SUCCESS) {
+      infof(data, "ALPN, server accepted to use %.*s\n", protocol_len,
+            protocol);
+
+      if(protocol_len == ALPN_HTTP_1_1_LENGTH &&
+         !memcmp(protocol, ALPN_HTTP_1_1, ALPN_HTTP_1_1_LENGTH))
+        conn->negnpn = CURL_HTTP_VERSION_1_1;
+#ifdef USE_NGHTTP2
+      else if(data->set.httpversion >= CURL_HTTP_VERSION_2 &&
+              protocol_len == NGHTTP2_PROTO_VERSION_ID_LEN &&
+              !memcmp(protocol, NGHTTP2_PROTO_VERSION_ID,
+                      NGHTTP2_PROTO_VERSION_ID_LEN))
+        conn->negnpn = CURL_HTTP_VERSION_2;
+#endif
+      else
+        infof(data, "ALPN, unrecognized protocol %.*s\n", protocol_len,
+              protocol);
+    }
+    else if(rc == SSL_ALPN_NOT_FOUND)
+      infof(data, "ALPN, server did not agree to a protocol\n");
+    else {
+      failf(data, "ALPN, failure getting protocol, error %d", rc);
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+  }
+#endif /* HAVE_ALPN */
+
+  connssl->connecting_state = ssl_connect_3;
+#if (LIBCYASSL_VERSION_HEX >= 0x03009010)
+  infof(data, "SSL connection using %s / %s\n",
+        wolfSSL_get_version(BACKEND->handle),
+        wolfSSL_get_cipher_name(BACKEND->handle));
+#else
+  infof(data, "SSL connected\n");
+#endif
+
+  return CURLE_OK;
+}
+
+
+static CURLcode
+cyassl_connect_step3(struct connectdata *conn,
+                     int sockindex)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+
+  DEBUGASSERT(ssl_connect_3 == connssl->connecting_state);
+
+  if(SSL_SET_OPTION(primary.sessionid)) {
+    bool incache;
+    SSL_SESSION *our_ssl_sessionid;
+    void *old_ssl_sessionid = NULL;
+
+    our_ssl_sessionid = SSL_get_session(BACKEND->handle);
+
+    Curl_ssl_sessionid_lock(conn);
+    incache = !(Curl_ssl_getsessionid(conn, &old_ssl_sessionid, NULL,
+                                      sockindex));
+    if(incache) {
+      if(old_ssl_sessionid != our_ssl_sessionid) {
+        infof(data, "old SSL session ID is stale, removing\n");
+        Curl_ssl_delsessionid(conn, old_ssl_sessionid);
+        incache = FALSE;
+      }
+    }
+
+    if(!incache) {
+      result = Curl_ssl_addsessionid(conn, our_ssl_sessionid,
+                                     0 /* unknown size */, sockindex);
+      if(result) {
+        Curl_ssl_sessionid_unlock(conn);
+        failf(data, "failed to store ssl session");
+        return result;
+      }
+    }
+    Curl_ssl_sessionid_unlock(conn);
+  }
+
+  connssl->connecting_state = ssl_connect_done;
+
+  return result;
+}
+
+
+static ssize_t cyassl_send(struct connectdata *conn,
+                           int sockindex,
+                           const void *mem,
+                           size_t len,
+                           CURLcode *curlcode)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  char error_buffer[CYASSL_MAX_ERROR_SZ];
+  int  memlen = (len > (size_t)INT_MAX) ? INT_MAX : (int)len;
+  int  rc     = SSL_write(BACKEND->handle, mem, memlen);
+
+  if(rc < 0) {
+    int err = SSL_get_error(BACKEND->handle, rc);
+
+    switch(err) {
+    case SSL_ERROR_WANT_READ:
+    case SSL_ERROR_WANT_WRITE:
+      /* there's data pending, re-invoke SSL_write() */
+      *curlcode = CURLE_AGAIN;
+      return -1;
+    default:
+      failf(conn->data, "SSL write: %s, errno %d",
+            ERR_error_string(err, error_buffer),
+            SOCKERRNO);
+      *curlcode = CURLE_SEND_ERROR;
+      return -1;
+    }
+  }
+  return rc;
+}
+
+static void Curl_cyassl_close(struct connectdata *conn, int sockindex)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+
+  if(BACKEND->handle) {
+    (void)SSL_shutdown(BACKEND->handle);
+    SSL_free(BACKEND->handle);
+    BACKEND->handle = NULL;
+  }
+  if(BACKEND->ctx) {
+    SSL_CTX_free(BACKEND->ctx);
+    BACKEND->ctx = NULL;
+  }
+}
+
+static ssize_t cyassl_recv(struct connectdata *conn,
+                           int num,
+                           char *buf,
+                           size_t buffersize,
+                           CURLcode *curlcode)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[num];
+  char error_buffer[CYASSL_MAX_ERROR_SZ];
+  int  buffsize = (buffersize > (size_t)INT_MAX) ? INT_MAX : (int)buffersize;
+  int  nread    = SSL_read(BACKEND->handle, buf, buffsize);
+
+  if(nread < 0) {
+    int err = SSL_get_error(BACKEND->handle, nread);
+
+    switch(err) {
+    case SSL_ERROR_ZERO_RETURN: /* no more data */
+      break;
+    case SSL_ERROR_WANT_READ:
+    case SSL_ERROR_WANT_WRITE:
+      /* there's data pending, re-invoke SSL_read() */
+      *curlcode = CURLE_AGAIN;
+      return -1;
+    default:
+      failf(conn->data, "SSL read: %s, errno %d",
+            ERR_error_string(err, error_buffer),
+            SOCKERRNO);
+      *curlcode = CURLE_RECV_ERROR;
+      return -1;
+    }
+  }
+  return nread;
+}
+
+
+static void Curl_cyassl_session_free(void *ptr)
+{
+  (void)ptr;
+  /* CyaSSL reuses sessions on own, no free */
+}
+
+
+static size_t Curl_cyassl_version(char *buffer, size_t size)
+{
+#if LIBCYASSL_VERSION_HEX >= 0x03006000
+  return msnprintf(buffer, size, "wolfSSL/%s", wolfSSL_lib_version());
+#elif defined(WOLFSSL_VERSION)
+  return msnprintf(buffer, size, "wolfSSL/%s", WOLFSSL_VERSION);
+#elif defined(CYASSL_VERSION)
+  return msnprintf(buffer, size, "CyaSSL/%s", CYASSL_VERSION);
+#else
+  return msnprintf(buffer, size, "CyaSSL/%s", "<1.8.8");
+#endif
+}
+
+
+static int Curl_cyassl_init(void)
+{
+  return (CyaSSL_Init() == SSL_SUCCESS);
+}
+
+
+static void Curl_cyassl_cleanup(void)
+{
+  CyaSSL_Cleanup();
+}
+
+
+static bool Curl_cyassl_data_pending(const struct connectdata* conn,
+                                     int connindex)
+{
+  const struct ssl_connect_data *connssl = &conn->ssl[connindex];
+  if(BACKEND->handle)   /* SSL is in use */
+    return (0 != SSL_pending(BACKEND->handle)) ? TRUE : FALSE;
+  else
+    return FALSE;
+}
+
+
+/*
+ * This function is called to shut down the SSL layer but keep the
+ * socket open (CCC - Clear Command Channel)
+ */
+static int Curl_cyassl_shutdown(struct connectdata *conn, int sockindex)
+{
+  int retval = 0;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+
+  if(BACKEND->handle) {
+    SSL_free(BACKEND->handle);
+    BACKEND->handle = NULL;
+  }
+  return retval;
+}
+
+
+static CURLcode
+cyassl_connect_common(struct connectdata *conn,
+                      int sockindex,
+                      bool nonblocking,
+                      bool *done)
+{
+  CURLcode result;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  curl_socket_t sockfd = conn->sock[sockindex];
+  time_t timeout_ms;
+  int what;
+
+  /* check if the connection has already been established */
+  if(ssl_connection_complete == connssl->state) {
+    *done = TRUE;
+    return CURLE_OK;
+  }
+
+  if(ssl_connect_1 == connssl->connecting_state) {
+    /* Find out how much more time we're allowed */
+    timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+    if(timeout_ms < 0) {
+      /* no need to continue if time already is up */
+      failf(data, "SSL connection timeout");
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+
+    result = cyassl_connect_step1(conn, sockindex);
+    if(result)
+      return result;
+  }
+
+  while(ssl_connect_2 == connssl->connecting_state ||
+        ssl_connect_2_reading == connssl->connecting_state ||
+        ssl_connect_2_writing == connssl->connecting_state) {
+
+    /* check allowed time left */
+    timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+    if(timeout_ms < 0) {
+      /* no need to continue if time already is up */
+      failf(data, "SSL connection timeout");
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+
+    /* if ssl is expecting something, check if it's available. */
+    if(connssl->connecting_state == ssl_connect_2_reading
+       || connssl->connecting_state == ssl_connect_2_writing) {
+
+      curl_socket_t writefd = ssl_connect_2_writing ==
+        connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
+      curl_socket_t readfd = ssl_connect_2_reading ==
+        connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
+
+      what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
+                               nonblocking?0:timeout_ms);
+      if(what < 0) {
+        /* fatal error */
+        failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      else if(0 == what) {
+        if(nonblocking) {
+          *done = FALSE;
+          return CURLE_OK;
+        }
+        else {
+          /* timeout */
+          failf(data, "SSL connection timeout");
+          return CURLE_OPERATION_TIMEDOUT;
+        }
+      }
+      /* socket is readable or writable */
+    }
+
+    /* Run transaction, and return to the caller if it failed or if
+     * this connection is part of a multi handle and this loop would
+     * execute again. This permits the owner of a multi handle to
+     * abort a connection attempt before step2 has completed while
+     * ensuring that a client using select() or epoll() will always
+     * have a valid fdset to wait on.
+     */
+    result = cyassl_connect_step2(conn, sockindex);
+    if(result || (nonblocking &&
+                  (ssl_connect_2 == connssl->connecting_state ||
+                   ssl_connect_2_reading == connssl->connecting_state ||
+                   ssl_connect_2_writing == connssl->connecting_state)))
+      return result;
+  } /* repeat step2 until all transactions are done. */
+
+  if(ssl_connect_3 == connssl->connecting_state) {
+    result = cyassl_connect_step3(conn, sockindex);
+    if(result)
+      return result;
+  }
+
+  if(ssl_connect_done == connssl->connecting_state) {
+    connssl->state = ssl_connection_complete;
+    conn->recv[sockindex] = cyassl_recv;
+    conn->send[sockindex] = cyassl_send;
+    *done = TRUE;
+  }
+  else
+    *done = FALSE;
+
+  /* Reset our connect state machine */
+  connssl->connecting_state = ssl_connect_1;
+
+  return CURLE_OK;
+}
+
+
+static CURLcode Curl_cyassl_connect_nonblocking(struct connectdata *conn,
+                                                int sockindex, bool *done)
+{
+  return cyassl_connect_common(conn, sockindex, TRUE, done);
+}
+
+
+static CURLcode Curl_cyassl_connect(struct connectdata *conn, int sockindex)
+{
+  CURLcode result;
+  bool done = FALSE;
+
+  result = cyassl_connect_common(conn, sockindex, FALSE, &done);
+  if(result)
+    return result;
+
+  DEBUGASSERT(done);
+
+  return CURLE_OK;
+}
+
+static CURLcode Curl_cyassl_random(struct Curl_easy *data,
+                                   unsigned char *entropy, size_t length)
+{
+  RNG rng;
+  (void)data;
+  if(InitRng(&rng))
+    return CURLE_FAILED_INIT;
+  if(length > UINT_MAX)
+    return CURLE_FAILED_INIT;
+  if(RNG_GenerateBlock(&rng, entropy, (unsigned)length))
+    return CURLE_FAILED_INIT;
+  if(FreeRng(&rng))
+    return CURLE_FAILED_INIT;
+  return CURLE_OK;
+}
+
+static CURLcode Curl_cyassl_sha256sum(const unsigned char *tmp, /* input */
+                                  size_t tmplen,
+                                  unsigned char *sha256sum /* output */,
+                                  size_t unused)
+{
+  Sha256 SHA256pw;
+  (void)unused;
+  InitSha256(&SHA256pw);
+  Sha256Update(&SHA256pw, tmp, (word32)tmplen);
+  Sha256Final(&SHA256pw, sha256sum);
+  return CURLE_OK;
+}
+
+static void *Curl_cyassl_get_internals(struct ssl_connect_data *connssl,
+                                       CURLINFO info UNUSED_PARAM)
+{
+  (void)info;
+  return BACKEND->handle;
+}
+
+const struct Curl_ssl Curl_ssl_cyassl = {
+  { CURLSSLBACKEND_WOLFSSL, "WolfSSL" }, /* info */
+
+#ifdef KEEP_PEER_CERT
+  SSLSUPP_PINNEDPUBKEY |
+#endif
+  SSLSUPP_SSL_CTX,
+
+  sizeof(struct ssl_backend_data),
+
+  Curl_cyassl_init,                /* init */
+  Curl_cyassl_cleanup,             /* cleanup */
+  Curl_cyassl_version,             /* version */
+  Curl_none_check_cxn,             /* check_cxn */
+  Curl_cyassl_shutdown,            /* shutdown */
+  Curl_cyassl_data_pending,        /* data_pending */
+  Curl_cyassl_random,              /* random */
+  Curl_none_cert_status_request,   /* cert_status_request */
+  Curl_cyassl_connect,             /* connect */
+  Curl_cyassl_connect_nonblocking, /* connect_nonblocking */
+  Curl_cyassl_get_internals,       /* get_internals */
+  Curl_cyassl_close,               /* close_one */
+  Curl_none_close_all,             /* close_all */
+  Curl_cyassl_session_free,        /* session_free */
+  Curl_none_set_engine,            /* set_engine */
+  Curl_none_set_engine_default,    /* set_engine_default */
+  Curl_none_engines_list,          /* engines_list */
+  Curl_none_false_start,           /* false_start */
+  Curl_none_md5sum,                /* md5sum */
+  Curl_cyassl_sha256sum            /* sha256sum */
+};
+
+#endif
Index: trunk/src/libs/curl-7.64.0/lib/vtls/cyassl.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/cyassl.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/cyassl.h	(revision 85671)
@@ -0,0 +1,31 @@
+#ifndef HEADER_CURL_CYASSL_H
+#define HEADER_CURL_CYASSL_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#ifdef USE_CYASSL
+
+extern const struct Curl_ssl Curl_ssl_cyassl;
+
+#endif /* USE_CYASSL */
+#endif /* HEADER_CURL_CYASSL_H */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/darwinssl.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/darwinssl.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/darwinssl.c	(revision 85671)
@@ -0,0 +1,3259 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2012 - 2017, Nick Zitzmann, <nickzman@gmail.com>.
+ * Copyright (C) 2012 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Source file for all iOS and macOS SecureTransport-specific code for the
+ * TLS/SSL layer. No code but vtls.c should ever call or use these functions.
+ */
+
+#include "curl_setup.h"
+
+#include "urldata.h" /* for the Curl_easy definition */
+#include "curl_base64.h"
+#include "strtok.h"
+
+#ifdef USE_DARWINSSL
+
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wtautological-pointer-compare"
+#endif /* __clang__ */
+
+#include <limits.h>
+
+#include <Security/Security.h>
+/* For some reason, when building for iOS, the omnibus header above does
+ * not include SecureTransport.h as of iOS SDK 5.1. */
+#include <Security/SecureTransport.h>
+#include <CoreFoundation/CoreFoundation.h>
+#include <CommonCrypto/CommonDigest.h>
+
+/* The Security framework has changed greatly between iOS and different macOS
+   versions, and we will try to support as many of them as we can (back to
+   Leopard and iOS 5) by using macros and weak-linking.
+
+   In general, you want to build this using the most recent OS SDK, since some
+   features require curl to be built against the latest SDK. TLS 1.1 and 1.2
+   support, for instance, require the macOS 10.8 SDK or later. TLS 1.3
+   requires the macOS 10.13 or iOS 11 SDK or later. */
+#if (TARGET_OS_MAC && !(TARGET_OS_EMBEDDED || TARGET_OS_IPHONE))
+
+#if MAC_OS_X_VERSION_MAX_ALLOWED < 1050
+#error "The darwinssl back-end requires Leopard or later."
+#endif /* MAC_OS_X_VERSION_MAX_ALLOWED < 1050 */
+
+#define CURL_BUILD_IOS 0
+#define CURL_BUILD_IOS_7 0
+#define CURL_BUILD_IOS_9 0
+#define CURL_BUILD_IOS_11 0
+#define CURL_BUILD_MAC 1
+/* This is the maximum API level we are allowed to use when building: */
+#define CURL_BUILD_MAC_10_5 MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
+#define CURL_BUILD_MAC_10_6 MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
+#define CURL_BUILD_MAC_10_7 MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
+#define CURL_BUILD_MAC_10_8 MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
+#define CURL_BUILD_MAC_10_9 MAC_OS_X_VERSION_MAX_ALLOWED >= 1090
+#define CURL_BUILD_MAC_10_11 MAC_OS_X_VERSION_MAX_ALLOWED >= 101100
+#define CURL_BUILD_MAC_10_13 MAC_OS_X_VERSION_MAX_ALLOWED >= 101300
+/* These macros mean "the following code is present to allow runtime backward
+   compatibility with at least this cat or earlier":
+   (You set this at build-time using the compiler command line option
+   "-mmacos-version-min.") */
+#define CURL_SUPPORT_MAC_10_5 MAC_OS_X_VERSION_MIN_REQUIRED <= 1050
+#define CURL_SUPPORT_MAC_10_6 MAC_OS_X_VERSION_MIN_REQUIRED <= 1060
+#define CURL_SUPPORT_MAC_10_7 MAC_OS_X_VERSION_MIN_REQUIRED <= 1070
+#define CURL_SUPPORT_MAC_10_8 MAC_OS_X_VERSION_MIN_REQUIRED <= 1080
+#define CURL_SUPPORT_MAC_10_9 MAC_OS_X_VERSION_MIN_REQUIRED <= 1090
+
+#elif TARGET_OS_EMBEDDED || TARGET_OS_IPHONE
+#define CURL_BUILD_IOS 1
+#define CURL_BUILD_IOS_7 __IPHONE_OS_VERSION_MAX_ALLOWED >= 70000
+#define CURL_BUILD_IOS_9 __IPHONE_OS_VERSION_MAX_ALLOWED >= 90000
+#define CURL_BUILD_IOS_11 __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000
+#define CURL_BUILD_MAC 0
+#define CURL_BUILD_MAC_10_5 0
+#define CURL_BUILD_MAC_10_6 0
+#define CURL_BUILD_MAC_10_7 0
+#define CURL_BUILD_MAC_10_8 0
+#define CURL_BUILD_MAC_10_9 0
+#define CURL_BUILD_MAC_10_11 0
+#define CURL_BUILD_MAC_10_13 0
+#define CURL_SUPPORT_MAC_10_5 0
+#define CURL_SUPPORT_MAC_10_6 0
+#define CURL_SUPPORT_MAC_10_7 0
+#define CURL_SUPPORT_MAC_10_8 0
+#define CURL_SUPPORT_MAC_10_9 0
+
+#else
+#error "The darwinssl back-end requires iOS or OS X."
+#endif /* (TARGET_OS_MAC && !(TARGET_OS_EMBEDDED || TARGET_OS_IPHONE)) */
+
+#if CURL_BUILD_MAC
+#include <sys/sysctl.h>
+#endif /* CURL_BUILD_MAC */
+
+#include "urldata.h"
+#include "sendf.h"
+#include "inet_pton.h"
+#include "connect.h"
+#include "select.h"
+#include "vtls.h"
+#include "darwinssl.h"
+#include "curl_printf.h"
+#include "strdup.h"
+
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/* From MacTypes.h (which we can't include because it isn't present in iOS: */
+#define ioErr -36
+#define paramErr -50
+
+struct ssl_backend_data {
+  SSLContextRef ssl_ctx;
+  curl_socket_t ssl_sockfd;
+  bool ssl_direction; /* true if writing, false if reading */
+  size_t ssl_write_buffered_length;
+};
+
+#define BACKEND connssl->backend
+
+/* pinned public key support tests */
+
+/* version 1 supports macOS 10.12+ and iOS 10+ */
+#if ((TARGET_OS_IPHONE && __IPHONE_OS_VERSION_MIN_REQUIRED >= 100000) || \
+    (!TARGET_OS_IPHONE && __MAC_OS_X_VERSION_MIN_REQUIRED  >= 101200))
+#define DARWIN_SSL_PINNEDPUBKEY_V1 1
+#endif
+
+/* version 2 supports MacOSX 10.7+ */
+#if (!TARGET_OS_IPHONE && __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070)
+#define DARWIN_SSL_PINNEDPUBKEY_V2 1
+#endif
+
+#if defined(DARWIN_SSL_PINNEDPUBKEY_V1) || defined(DARWIN_SSL_PINNEDPUBKEY_V2)
+/* this backend supports CURLOPT_PINNEDPUBLICKEY */
+#define DARWIN_SSL_PINNEDPUBKEY 1
+#endif /* DARWIN_SSL_PINNEDPUBKEY */
+
+#ifdef DARWIN_SSL_PINNEDPUBKEY
+/* both new and old APIs return rsa keys missing the spki header (not DER) */
+static const unsigned char rsa4096SpkiHeader[] = {
+                                       0x30, 0x82, 0x02, 0x22, 0x30, 0x0d,
+                                       0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
+                                       0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05,
+                                       0x00, 0x03, 0x82, 0x02, 0x0f, 0x00};
+
+static const unsigned char rsa2048SpkiHeader[] = {
+                                       0x30, 0x82, 0x01, 0x22, 0x30, 0x0d,
+                                       0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
+                                       0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05,
+                                       0x00, 0x03, 0x82, 0x01, 0x0f, 0x00};
+#ifdef DARWIN_SSL_PINNEDPUBKEY_V1
+/* the *new* version doesn't return DER encoded ecdsa certs like the old... */
+static const unsigned char ecDsaSecp256r1SpkiHeader[] = {
+                                       0x30, 0x59, 0x30, 0x13, 0x06, 0x07,
+                                       0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02,
+                                       0x01, 0x06, 0x08, 0x2a, 0x86, 0x48,
+                                       0xce, 0x3d, 0x03, 0x01, 0x07, 0x03,
+                                       0x42, 0x00};
+
+static const unsigned char ecDsaSecp384r1SpkiHeader[] = {
+                                       0x30, 0x76, 0x30, 0x10, 0x06, 0x07,
+                                       0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02,
+                                       0x01, 0x06, 0x05, 0x2b, 0x81, 0x04,
+                                       0x00, 0x22, 0x03, 0x62, 0x00};
+#endif /* DARWIN_SSL_PINNEDPUBKEY_V1 */
+#endif /* DARWIN_SSL_PINNEDPUBKEY */
+
+/* The following two functions were ripped from Apple sample code,
+ * with some modifications: */
+static OSStatus SocketRead(SSLConnectionRef connection,
+                           void *data,          /* owned by
+                                                 * caller, data
+                                                 * RETURNED */
+                           size_t *dataLength)  /* IN/OUT */
+{
+  size_t bytesToGo = *dataLength;
+  size_t initLen = bytesToGo;
+  UInt8 *currData = (UInt8 *)data;
+  /*int sock = *(int *)connection;*/
+  struct ssl_connect_data *connssl = (struct ssl_connect_data *)connection;
+  int sock = BACKEND->ssl_sockfd;
+  OSStatus rtn = noErr;
+  size_t bytesRead;
+  ssize_t rrtn;
+  int theErr;
+
+  *dataLength = 0;
+
+  for(;;) {
+    bytesRead = 0;
+    rrtn = read(sock, currData, bytesToGo);
+    if(rrtn <= 0) {
+      /* this is guesswork... */
+      theErr = errno;
+      if(rrtn == 0) { /* EOF = server hung up */
+        /* the framework will turn this into errSSLClosedNoNotify */
+        rtn = errSSLClosedGraceful;
+      }
+      else /* do the switch */
+        switch(theErr) {
+          case ENOENT:
+            /* connection closed */
+            rtn = errSSLClosedGraceful;
+            break;
+          case ECONNRESET:
+            rtn = errSSLClosedAbort;
+            break;
+          case EAGAIN:
+            rtn = errSSLWouldBlock;
+            BACKEND->ssl_direction = false;
+            break;
+          default:
+            rtn = ioErr;
+            break;
+        }
+      break;
+    }
+    else {
+      bytesRead = rrtn;
+    }
+    bytesToGo -= bytesRead;
+    currData  += bytesRead;
+
+    if(bytesToGo == 0) {
+      /* filled buffer with incoming data, done */
+      break;
+    }
+  }
+  *dataLength = initLen - bytesToGo;
+
+  return rtn;
+}
+
+static OSStatus SocketWrite(SSLConnectionRef connection,
+                            const void *data,
+                            size_t *dataLength)  /* IN/OUT */
+{
+  size_t bytesSent = 0;
+  /*int sock = *(int *)connection;*/
+  struct ssl_connect_data *connssl = (struct ssl_connect_data *)connection;
+  int sock = BACKEND->ssl_sockfd;
+  ssize_t length;
+  size_t dataLen = *dataLength;
+  const UInt8 *dataPtr = (UInt8 *)data;
+  OSStatus ortn;
+  int theErr;
+
+  *dataLength = 0;
+
+  do {
+    length = write(sock,
+                   (char *)dataPtr + bytesSent,
+                   dataLen - bytesSent);
+  } while((length > 0) &&
+           ( (bytesSent += length) < dataLen) );
+
+  if(length <= 0) {
+    theErr = errno;
+    if(theErr == EAGAIN) {
+      ortn = errSSLWouldBlock;
+      BACKEND->ssl_direction = true;
+    }
+    else {
+      ortn = ioErr;
+    }
+  }
+  else {
+    ortn = noErr;
+  }
+  *dataLength = bytesSent;
+  return ortn;
+}
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+CF_INLINE const char *SSLCipherNameForNumber(SSLCipherSuite cipher)
+{
+  switch(cipher) {
+    /* SSL version 3.0 */
+    case SSL_RSA_WITH_NULL_MD5:
+      return "SSL_RSA_WITH_NULL_MD5";
+      break;
+    case SSL_RSA_WITH_NULL_SHA:
+      return "SSL_RSA_WITH_NULL_SHA";
+      break;
+    case SSL_RSA_EXPORT_WITH_RC4_40_MD5:
+      return "SSL_RSA_EXPORT_WITH_RC4_40_MD5";
+      break;
+    case SSL_RSA_WITH_RC4_128_MD5:
+      return "SSL_RSA_WITH_RC4_128_MD5";
+      break;
+    case SSL_RSA_WITH_RC4_128_SHA:
+      return "SSL_RSA_WITH_RC4_128_SHA";
+      break;
+    case SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5:
+      return "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5";
+      break;
+    case SSL_RSA_WITH_IDEA_CBC_SHA:
+      return "SSL_RSA_WITH_IDEA_CBC_SHA";
+      break;
+    case SSL_RSA_EXPORT_WITH_DES40_CBC_SHA:
+      return "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA";
+      break;
+    case SSL_RSA_WITH_DES_CBC_SHA:
+      return "SSL_RSA_WITH_DES_CBC_SHA";
+      break;
+    case SSL_RSA_WITH_3DES_EDE_CBC_SHA:
+      return "SSL_RSA_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA:
+      return "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA";
+      break;
+    case SSL_DH_DSS_WITH_DES_CBC_SHA:
+      return "SSL_DH_DSS_WITH_DES_CBC_SHA";
+      break;
+    case SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA:
+      return "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA:
+      return "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA";
+      break;
+    case SSL_DH_RSA_WITH_DES_CBC_SHA:
+      return "SSL_DH_RSA_WITH_DES_CBC_SHA";
+      break;
+    case SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA:
+      return "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA:
+      return "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA";
+      break;
+    case SSL_DHE_DSS_WITH_DES_CBC_SHA:
+      return "SSL_DHE_DSS_WITH_DES_CBC_SHA";
+      break;
+    case SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA:
+      return "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA:
+      return "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA";
+      break;
+    case SSL_DHE_RSA_WITH_DES_CBC_SHA:
+      return "SSL_DHE_RSA_WITH_DES_CBC_SHA";
+      break;
+    case SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA:
+      return "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case SSL_DH_anon_EXPORT_WITH_RC4_40_MD5:
+      return "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5";
+      break;
+    case SSL_DH_anon_WITH_RC4_128_MD5:
+      return "SSL_DH_anon_WITH_RC4_128_MD5";
+      break;
+    case SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA:
+      return "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA";
+      break;
+    case SSL_DH_anon_WITH_DES_CBC_SHA:
+      return "SSL_DH_anon_WITH_DES_CBC_SHA";
+      break;
+    case SSL_DH_anon_WITH_3DES_EDE_CBC_SHA:
+      return "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case SSL_FORTEZZA_DMS_WITH_NULL_SHA:
+      return "SSL_FORTEZZA_DMS_WITH_NULL_SHA";
+      break;
+    case SSL_FORTEZZA_DMS_WITH_FORTEZZA_CBC_SHA:
+      return "SSL_FORTEZZA_DMS_WITH_FORTEZZA_CBC_SHA";
+      break;
+    /* TLS 1.0 with AES (RFC 3268)
+       (Apparently these are used in SSLv3 implementations as well.) */
+    case TLS_RSA_WITH_AES_128_CBC_SHA:
+      return "TLS_RSA_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_DH_DSS_WITH_AES_128_CBC_SHA:
+      return "TLS_DH_DSS_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_DH_RSA_WITH_AES_128_CBC_SHA:
+      return "TLS_DH_RSA_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_DHE_DSS_WITH_AES_128_CBC_SHA:
+      return "TLS_DHE_DSS_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_DHE_RSA_WITH_AES_128_CBC_SHA:
+      return "TLS_DHE_RSA_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_DH_anon_WITH_AES_128_CBC_SHA:
+      return "TLS_DH_anon_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_RSA_WITH_AES_256_CBC_SHA:
+      return "TLS_RSA_WITH_AES_256_CBC_SHA";
+      break;
+    case TLS_DH_DSS_WITH_AES_256_CBC_SHA:
+      return "TLS_DH_DSS_WITH_AES_256_CBC_SHA";
+      break;
+    case TLS_DH_RSA_WITH_AES_256_CBC_SHA:
+      return "TLS_DH_RSA_WITH_AES_256_CBC_SHA";
+      break;
+    case TLS_DHE_DSS_WITH_AES_256_CBC_SHA:
+      return "TLS_DHE_DSS_WITH_AES_256_CBC_SHA";
+      break;
+    case TLS_DHE_RSA_WITH_AES_256_CBC_SHA:
+      return "TLS_DHE_RSA_WITH_AES_256_CBC_SHA";
+      break;
+    case TLS_DH_anon_WITH_AES_256_CBC_SHA:
+      return "TLS_DH_anon_WITH_AES_256_CBC_SHA";
+      break;
+    /* SSL version 2.0 */
+    case SSL_RSA_WITH_RC2_CBC_MD5:
+      return "SSL_RSA_WITH_RC2_CBC_MD5";
+      break;
+    case SSL_RSA_WITH_IDEA_CBC_MD5:
+      return "SSL_RSA_WITH_IDEA_CBC_MD5";
+      break;
+    case SSL_RSA_WITH_DES_CBC_MD5:
+      return "SSL_RSA_WITH_DES_CBC_MD5";
+      break;
+    case SSL_RSA_WITH_3DES_EDE_CBC_MD5:
+      return "SSL_RSA_WITH_3DES_EDE_CBC_MD5";
+      break;
+  }
+  return "SSL_NULL_WITH_NULL_NULL";
+}
+
+CF_INLINE const char *TLSCipherNameForNumber(SSLCipherSuite cipher)
+{
+  switch(cipher) {
+    /* TLS 1.0 with AES (RFC 3268) */
+    case TLS_RSA_WITH_AES_128_CBC_SHA:
+      return "TLS_RSA_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_DH_DSS_WITH_AES_128_CBC_SHA:
+      return "TLS_DH_DSS_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_DH_RSA_WITH_AES_128_CBC_SHA:
+      return "TLS_DH_RSA_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_DHE_DSS_WITH_AES_128_CBC_SHA:
+      return "TLS_DHE_DSS_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_DHE_RSA_WITH_AES_128_CBC_SHA:
+      return "TLS_DHE_RSA_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_DH_anon_WITH_AES_128_CBC_SHA:
+      return "TLS_DH_anon_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_RSA_WITH_AES_256_CBC_SHA:
+      return "TLS_RSA_WITH_AES_256_CBC_SHA";
+      break;
+    case TLS_DH_DSS_WITH_AES_256_CBC_SHA:
+      return "TLS_DH_DSS_WITH_AES_256_CBC_SHA";
+      break;
+    case TLS_DH_RSA_WITH_AES_256_CBC_SHA:
+      return "TLS_DH_RSA_WITH_AES_256_CBC_SHA";
+      break;
+    case TLS_DHE_DSS_WITH_AES_256_CBC_SHA:
+      return "TLS_DHE_DSS_WITH_AES_256_CBC_SHA";
+      break;
+    case TLS_DHE_RSA_WITH_AES_256_CBC_SHA:
+      return "TLS_DHE_RSA_WITH_AES_256_CBC_SHA";
+      break;
+    case TLS_DH_anon_WITH_AES_256_CBC_SHA:
+      return "TLS_DH_anon_WITH_AES_256_CBC_SHA";
+      break;
+#if CURL_BUILD_MAC_10_6 || CURL_BUILD_IOS
+    /* TLS 1.0 with ECDSA (RFC 4492) */
+    case TLS_ECDH_ECDSA_WITH_NULL_SHA:
+      return "TLS_ECDH_ECDSA_WITH_NULL_SHA";
+      break;
+    case TLS_ECDH_ECDSA_WITH_RC4_128_SHA:
+      return "TLS_ECDH_ECDSA_WITH_RC4_128_SHA";
+      break;
+    case TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA:
+      return "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA:
+      return "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA:
+      return "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA";
+      break;
+    case TLS_ECDHE_ECDSA_WITH_NULL_SHA:
+      return "TLS_ECDHE_ECDSA_WITH_NULL_SHA";
+      break;
+    case TLS_ECDHE_ECDSA_WITH_RC4_128_SHA:
+      return "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA";
+      break;
+    case TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA:
+      return "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA:
+      return "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA:
+      return "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA";
+      break;
+    case TLS_ECDH_RSA_WITH_NULL_SHA:
+      return "TLS_ECDH_RSA_WITH_NULL_SHA";
+      break;
+    case TLS_ECDH_RSA_WITH_RC4_128_SHA:
+      return "TLS_ECDH_RSA_WITH_RC4_128_SHA";
+      break;
+    case TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA:
+      return "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case TLS_ECDH_RSA_WITH_AES_128_CBC_SHA:
+      return "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_ECDH_RSA_WITH_AES_256_CBC_SHA:
+      return "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA";
+      break;
+    case TLS_ECDHE_RSA_WITH_NULL_SHA:
+      return "TLS_ECDHE_RSA_WITH_NULL_SHA";
+      break;
+    case TLS_ECDHE_RSA_WITH_RC4_128_SHA:
+      return "TLS_ECDHE_RSA_WITH_RC4_128_SHA";
+      break;
+    case TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA:
+      return "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA:
+      return "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA:
+      return "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA";
+      break;
+    case TLS_ECDH_anon_WITH_NULL_SHA:
+      return "TLS_ECDH_anon_WITH_NULL_SHA";
+      break;
+    case TLS_ECDH_anon_WITH_RC4_128_SHA:
+      return "TLS_ECDH_anon_WITH_RC4_128_SHA";
+      break;
+    case TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA:
+      return "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case TLS_ECDH_anon_WITH_AES_128_CBC_SHA:
+      return "TLS_ECDH_anon_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_ECDH_anon_WITH_AES_256_CBC_SHA:
+      return "TLS_ECDH_anon_WITH_AES_256_CBC_SHA";
+      break;
+#endif /* CURL_BUILD_MAC_10_6 || CURL_BUILD_IOS */
+#if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
+    /* TLS 1.2 (RFC 5246) */
+    case TLS_RSA_WITH_NULL_MD5:
+      return "TLS_RSA_WITH_NULL_MD5";
+      break;
+    case TLS_RSA_WITH_NULL_SHA:
+      return "TLS_RSA_WITH_NULL_SHA";
+      break;
+    case TLS_RSA_WITH_RC4_128_MD5:
+      return "TLS_RSA_WITH_RC4_128_MD5";
+      break;
+    case TLS_RSA_WITH_RC4_128_SHA:
+      return "TLS_RSA_WITH_RC4_128_SHA";
+      break;
+    case TLS_RSA_WITH_3DES_EDE_CBC_SHA:
+      return "TLS_RSA_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case TLS_RSA_WITH_NULL_SHA256:
+      return "TLS_RSA_WITH_NULL_SHA256";
+      break;
+    case TLS_RSA_WITH_AES_128_CBC_SHA256:
+      return "TLS_RSA_WITH_AES_128_CBC_SHA256";
+      break;
+    case TLS_RSA_WITH_AES_256_CBC_SHA256:
+      return "TLS_RSA_WITH_AES_256_CBC_SHA256";
+      break;
+    case TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA:
+      return "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA:
+      return "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA:
+      return "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA:
+      return "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case TLS_DH_DSS_WITH_AES_128_CBC_SHA256:
+      return "TLS_DH_DSS_WITH_AES_128_CBC_SHA256";
+      break;
+    case TLS_DH_RSA_WITH_AES_128_CBC_SHA256:
+      return "TLS_DH_RSA_WITH_AES_128_CBC_SHA256";
+      break;
+    case TLS_DHE_DSS_WITH_AES_128_CBC_SHA256:
+      return "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256";
+      break;
+    case TLS_DHE_RSA_WITH_AES_128_CBC_SHA256:
+      return "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256";
+      break;
+    case TLS_DH_DSS_WITH_AES_256_CBC_SHA256:
+      return "TLS_DH_DSS_WITH_AES_256_CBC_SHA256";
+      break;
+    case TLS_DH_RSA_WITH_AES_256_CBC_SHA256:
+      return "TLS_DH_RSA_WITH_AES_256_CBC_SHA256";
+      break;
+    case TLS_DHE_DSS_WITH_AES_256_CBC_SHA256:
+      return "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256";
+      break;
+    case TLS_DHE_RSA_WITH_AES_256_CBC_SHA256:
+      return "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256";
+      break;
+    case TLS_DH_anon_WITH_RC4_128_MD5:
+      return "TLS_DH_anon_WITH_RC4_128_MD5";
+      break;
+    case TLS_DH_anon_WITH_3DES_EDE_CBC_SHA:
+      return "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case TLS_DH_anon_WITH_AES_128_CBC_SHA256:
+      return "TLS_DH_anon_WITH_AES_128_CBC_SHA256";
+      break;
+    case TLS_DH_anon_WITH_AES_256_CBC_SHA256:
+      return "TLS_DH_anon_WITH_AES_256_CBC_SHA256";
+      break;
+    /* TLS 1.2 with AES GCM (RFC 5288) */
+    case TLS_RSA_WITH_AES_128_GCM_SHA256:
+      return "TLS_RSA_WITH_AES_128_GCM_SHA256";
+      break;
+    case TLS_RSA_WITH_AES_256_GCM_SHA384:
+      return "TLS_RSA_WITH_AES_256_GCM_SHA384";
+      break;
+    case TLS_DHE_RSA_WITH_AES_128_GCM_SHA256:
+      return "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256";
+      break;
+    case TLS_DHE_RSA_WITH_AES_256_GCM_SHA384:
+      return "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384";
+      break;
+    case TLS_DH_RSA_WITH_AES_128_GCM_SHA256:
+      return "TLS_DH_RSA_WITH_AES_128_GCM_SHA256";
+      break;
+    case TLS_DH_RSA_WITH_AES_256_GCM_SHA384:
+      return "TLS_DH_RSA_WITH_AES_256_GCM_SHA384";
+      break;
+    case TLS_DHE_DSS_WITH_AES_128_GCM_SHA256:
+      return "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256";
+      break;
+    case TLS_DHE_DSS_WITH_AES_256_GCM_SHA384:
+      return "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384";
+      break;
+    case TLS_DH_DSS_WITH_AES_128_GCM_SHA256:
+      return "TLS_DH_DSS_WITH_AES_128_GCM_SHA256";
+      break;
+    case TLS_DH_DSS_WITH_AES_256_GCM_SHA384:
+      return "TLS_DH_DSS_WITH_AES_256_GCM_SHA384";
+      break;
+    case TLS_DH_anon_WITH_AES_128_GCM_SHA256:
+      return "TLS_DH_anon_WITH_AES_128_GCM_SHA256";
+      break;
+    case TLS_DH_anon_WITH_AES_256_GCM_SHA384:
+      return "TLS_DH_anon_WITH_AES_256_GCM_SHA384";
+      break;
+    /* TLS 1.2 with elliptic curve ciphers (RFC 5289) */
+    case TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256:
+      return "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256";
+      break;
+    case TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384:
+      return "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384";
+      break;
+    case TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256:
+      return "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256";
+      break;
+    case TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384:
+      return "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384";
+      break;
+    case TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256:
+      return "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256";
+      break;
+    case TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384:
+      return "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384";
+      break;
+    case TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256:
+      return "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256";
+      break;
+    case TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384:
+      return "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384";
+      break;
+    case TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:
+      return "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256";
+      break;
+    case TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384:
+      return "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384";
+      break;
+    case TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256:
+      return "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256";
+      break;
+    case TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384:
+      return "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384";
+      break;
+    case TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256:
+      return "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256";
+      break;
+    case TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384:
+      return "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384";
+      break;
+    case TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256:
+      return "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256";
+      break;
+    case TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384:
+      return "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384";
+      break;
+    case TLS_EMPTY_RENEGOTIATION_INFO_SCSV:
+      return "TLS_EMPTY_RENEGOTIATION_INFO_SCSV";
+      break;
+#else
+    case SSL_RSA_WITH_NULL_MD5:
+      return "TLS_RSA_WITH_NULL_MD5";
+      break;
+    case SSL_RSA_WITH_NULL_SHA:
+      return "TLS_RSA_WITH_NULL_SHA";
+      break;
+    case SSL_RSA_WITH_RC4_128_MD5:
+      return "TLS_RSA_WITH_RC4_128_MD5";
+      break;
+    case SSL_RSA_WITH_RC4_128_SHA:
+      return "TLS_RSA_WITH_RC4_128_SHA";
+      break;
+    case SSL_RSA_WITH_3DES_EDE_CBC_SHA:
+      return "TLS_RSA_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case SSL_DH_anon_WITH_RC4_128_MD5:
+      return "TLS_DH_anon_WITH_RC4_128_MD5";
+      break;
+    case SSL_DH_anon_WITH_3DES_EDE_CBC_SHA:
+      return "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA";
+      break;
+#endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
+#if CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7
+    /* TLS PSK (RFC 4279): */
+    case TLS_PSK_WITH_RC4_128_SHA:
+      return "TLS_PSK_WITH_RC4_128_SHA";
+      break;
+    case TLS_PSK_WITH_3DES_EDE_CBC_SHA:
+      return "TLS_PSK_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case TLS_PSK_WITH_AES_128_CBC_SHA:
+      return "TLS_PSK_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_PSK_WITH_AES_256_CBC_SHA:
+      return "TLS_PSK_WITH_AES_256_CBC_SHA";
+      break;
+    case TLS_DHE_PSK_WITH_RC4_128_SHA:
+      return "TLS_DHE_PSK_WITH_RC4_128_SHA";
+      break;
+    case TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA:
+      return "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case TLS_DHE_PSK_WITH_AES_128_CBC_SHA:
+      return "TLS_DHE_PSK_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_DHE_PSK_WITH_AES_256_CBC_SHA:
+      return "TLS_DHE_PSK_WITH_AES_256_CBC_SHA";
+      break;
+    case TLS_RSA_PSK_WITH_RC4_128_SHA:
+      return "TLS_RSA_PSK_WITH_RC4_128_SHA";
+      break;
+    case TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA:
+      return "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA";
+      break;
+    case TLS_RSA_PSK_WITH_AES_128_CBC_SHA:
+      return "TLS_RSA_PSK_WITH_AES_128_CBC_SHA";
+      break;
+    case TLS_RSA_PSK_WITH_AES_256_CBC_SHA:
+      return "TLS_RSA_PSK_WITH_AES_256_CBC_SHA";
+      break;
+    /* More TLS PSK (RFC 4785): */
+    case TLS_PSK_WITH_NULL_SHA:
+      return "TLS_PSK_WITH_NULL_SHA";
+      break;
+    case TLS_DHE_PSK_WITH_NULL_SHA:
+      return "TLS_DHE_PSK_WITH_NULL_SHA";
+      break;
+    case TLS_RSA_PSK_WITH_NULL_SHA:
+      return "TLS_RSA_PSK_WITH_NULL_SHA";
+      break;
+    /* Even more TLS PSK (RFC 5487): */
+    case TLS_PSK_WITH_AES_128_GCM_SHA256:
+      return "TLS_PSK_WITH_AES_128_GCM_SHA256";
+      break;
+    case TLS_PSK_WITH_AES_256_GCM_SHA384:
+      return "TLS_PSK_WITH_AES_256_GCM_SHA384";
+      break;
+    case TLS_DHE_PSK_WITH_AES_128_GCM_SHA256:
+      return "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256";
+      break;
+    case TLS_DHE_PSK_WITH_AES_256_GCM_SHA384:
+      return "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384";
+      break;
+    case TLS_RSA_PSK_WITH_AES_128_GCM_SHA256:
+      return "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256";
+      break;
+    case TLS_RSA_PSK_WITH_AES_256_GCM_SHA384:
+      return "TLS_PSK_WITH_AES_256_GCM_SHA384";
+      break;
+    case TLS_PSK_WITH_AES_128_CBC_SHA256:
+      return "TLS_PSK_WITH_AES_128_CBC_SHA256";
+      break;
+    case TLS_PSK_WITH_AES_256_CBC_SHA384:
+      return "TLS_PSK_WITH_AES_256_CBC_SHA384";
+      break;
+    case TLS_PSK_WITH_NULL_SHA256:
+      return "TLS_PSK_WITH_NULL_SHA256";
+      break;
+    case TLS_PSK_WITH_NULL_SHA384:
+      return "TLS_PSK_WITH_NULL_SHA384";
+      break;
+    case TLS_DHE_PSK_WITH_AES_128_CBC_SHA256:
+      return "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256";
+      break;
+    case TLS_DHE_PSK_WITH_AES_256_CBC_SHA384:
+      return "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384";
+      break;
+    case TLS_DHE_PSK_WITH_NULL_SHA256:
+      return "TLS_DHE_PSK_WITH_NULL_SHA256";
+      break;
+    case TLS_DHE_PSK_WITH_NULL_SHA384:
+      return "TLS_RSA_PSK_WITH_NULL_SHA384";
+      break;
+    case TLS_RSA_PSK_WITH_AES_128_CBC_SHA256:
+      return "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256";
+      break;
+    case TLS_RSA_PSK_WITH_AES_256_CBC_SHA384:
+      return "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384";
+      break;
+    case TLS_RSA_PSK_WITH_NULL_SHA256:
+      return "TLS_RSA_PSK_WITH_NULL_SHA256";
+      break;
+    case TLS_RSA_PSK_WITH_NULL_SHA384:
+      return "TLS_RSA_PSK_WITH_NULL_SHA384";
+      break;
+#endif /* CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7 */
+#if CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11
+    /* New ChaCha20+Poly1305 cipher-suites used by TLS 1.3: */
+    case TLS_AES_128_GCM_SHA256:
+      return "TLS_AES_128_GCM_SHA256";
+      break;
+    case TLS_AES_256_GCM_SHA384:
+      return "TLS_AES_256_GCM_SHA384";
+      break;
+    case TLS_CHACHA20_POLY1305_SHA256:
+      return "TLS_CHACHA20_POLY1305_SHA256";
+      break;
+    case TLS_AES_128_CCM_SHA256:
+      return "TLS_AES_128_CCM_SHA256";
+      break;
+    case TLS_AES_128_CCM_8_SHA256:
+      return "TLS_AES_128_CCM_8_SHA256";
+      break;
+    case TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256:
+      return "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256";
+      break;
+    case TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256:
+      return "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256";
+      break;
+#endif /* CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11 */
+  }
+  return "TLS_NULL_WITH_NULL_NULL";
+}
+#endif /* !CURL_DISABLE_VERBOSE_STRINGS */
+
+#if CURL_BUILD_MAC
+CF_INLINE void GetDarwinVersionNumber(int *major, int *minor)
+{
+  int mib[2];
+  char *os_version;
+  size_t os_version_len;
+  char *os_version_major, *os_version_minor;
+  char *tok_buf;
+
+  /* Get the Darwin kernel version from the kernel using sysctl(): */
+  mib[0] = CTL_KERN;
+  mib[1] = KERN_OSRELEASE;
+  if(sysctl(mib, 2, NULL, &os_version_len, NULL, 0) == -1)
+    return;
+  os_version = malloc(os_version_len*sizeof(char));
+  if(!os_version)
+    return;
+  if(sysctl(mib, 2, os_version, &os_version_len, NULL, 0) == -1) {
+    free(os_version);
+    return;
+  }
+
+  /* Parse the version: */
+  os_version_major = strtok_r(os_version, ".", &tok_buf);
+  os_version_minor = strtok_r(NULL, ".", &tok_buf);
+  *major = atoi(os_version_major);
+  *minor = atoi(os_version_minor);
+  free(os_version);
+}
+#endif /* CURL_BUILD_MAC */
+
+/* Apple provides a myriad of ways of getting information about a certificate
+   into a string. Some aren't available under iOS or newer cats. So here's
+   a unified function for getting a string describing the certificate that
+   ought to work in all cats starting with Leopard. */
+CF_INLINE CFStringRef getsubject(SecCertificateRef cert)
+{
+  CFStringRef server_cert_summary = CFSTR("(null)");
+
+#if CURL_BUILD_IOS
+  /* iOS: There's only one way to do this. */
+  server_cert_summary = SecCertificateCopySubjectSummary(cert);
+#else
+#if CURL_BUILD_MAC_10_7
+  /* Lion & later: Get the long description if we can. */
+  if(SecCertificateCopyLongDescription != NULL)
+    server_cert_summary =
+      SecCertificateCopyLongDescription(NULL, cert, NULL);
+  else
+#endif /* CURL_BUILD_MAC_10_7 */
+#if CURL_BUILD_MAC_10_6
+  /* Snow Leopard: Get the certificate summary. */
+  if(SecCertificateCopySubjectSummary != NULL)
+    server_cert_summary = SecCertificateCopySubjectSummary(cert);
+  else
+#endif /* CURL_BUILD_MAC_10_6 */
+  /* Leopard is as far back as we go... */
+  (void)SecCertificateCopyCommonName(cert, &server_cert_summary);
+#endif /* CURL_BUILD_IOS */
+  return server_cert_summary;
+}
+
+static CURLcode CopyCertSubject(struct Curl_easy *data,
+                                SecCertificateRef cert, char **certp)
+{
+  CFStringRef c = getsubject(cert);
+  CURLcode result = CURLE_OK;
+  const char *direct;
+  char *cbuf = NULL;
+  *certp = NULL;
+
+  if(!c) {
+    failf(data, "SSL: invalid CA certificate subject");
+    return CURLE_PEER_FAILED_VERIFICATION;
+  }
+
+  /* If the subject is already available as UTF-8 encoded (ie 'direct') then
+     use that, else convert it. */
+  direct = CFStringGetCStringPtr(c, kCFStringEncodingUTF8);
+  if(direct) {
+    *certp = strdup(direct);
+    if(!*certp) {
+      failf(data, "SSL: out of memory");
+      result = CURLE_OUT_OF_MEMORY;
+    }
+  }
+  else {
+    size_t cbuf_size = ((size_t)CFStringGetLength(c) * 4) + 1;
+    cbuf = calloc(cbuf_size, 1);
+    if(cbuf) {
+      if(!CFStringGetCString(c, cbuf, cbuf_size,
+                             kCFStringEncodingUTF8)) {
+        failf(data, "SSL: invalid CA certificate subject");
+        result = CURLE_PEER_FAILED_VERIFICATION;
+      }
+      else
+        /* pass back the buffer */
+        *certp = cbuf;
+    }
+    else {
+      failf(data, "SSL: couldn't allocate %zu bytes of memory", cbuf_size);
+      result = CURLE_OUT_OF_MEMORY;
+    }
+  }
+  if(result)
+    free(cbuf);
+  CFRelease(c);
+  return result;
+}
+
+#if CURL_SUPPORT_MAC_10_6
+/* The SecKeychainSearch API was deprecated in Lion, and using it will raise
+   deprecation warnings, so let's not compile this unless it's necessary: */
+static OSStatus CopyIdentityWithLabelOldSchool(char *label,
+                                               SecIdentityRef *out_c_a_k)
+{
+  OSStatus status = errSecItemNotFound;
+  SecKeychainAttributeList attr_list;
+  SecKeychainAttribute attr;
+  SecKeychainSearchRef search = NULL;
+  SecCertificateRef cert = NULL;
+
+  /* Set up the attribute list: */
+  attr_list.count = 1L;
+  attr_list.attr = &attr;
+
+  /* Set up our lone search criterion: */
+  attr.tag = kSecLabelItemAttr;
+  attr.data = label;
+  attr.length = (UInt32)strlen(label);
+
+  /* Start searching: */
+  status = SecKeychainSearchCreateFromAttributes(NULL,
+                                                 kSecCertificateItemClass,
+                                                 &attr_list,
+                                                 &search);
+  if(status == noErr) {
+    status = SecKeychainSearchCopyNext(search,
+                                       (SecKeychainItemRef *)&cert);
+    if(status == noErr && cert) {
+      /* If we found a certificate, does it have a private key? */
+      status = SecIdentityCreateWithCertificate(NULL, cert, out_c_a_k);
+      CFRelease(cert);
+    }
+  }
+
+  if(search)
+    CFRelease(search);
+  return status;
+}
+#endif /* CURL_SUPPORT_MAC_10_6 */
+
+static OSStatus CopyIdentityWithLabel(char *label,
+                                      SecIdentityRef *out_cert_and_key)
+{
+  OSStatus status = errSecItemNotFound;
+
+#if CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS
+  CFArrayRef keys_list;
+  CFIndex keys_list_count;
+  CFIndex i;
+  CFStringRef common_name;
+
+  /* SecItemCopyMatching() was introduced in iOS and Snow Leopard.
+     kSecClassIdentity was introduced in Lion. If both exist, let's use them
+     to find the certificate. */
+  if(SecItemCopyMatching != NULL && kSecClassIdentity != NULL) {
+    CFTypeRef keys[5];
+    CFTypeRef values[5];
+    CFDictionaryRef query_dict;
+    CFStringRef label_cf = CFStringCreateWithCString(NULL, label,
+      kCFStringEncodingUTF8);
+
+    /* Set up our search criteria and expected results: */
+    values[0] = kSecClassIdentity; /* we want a certificate and a key */
+    keys[0] = kSecClass;
+    values[1] = kCFBooleanTrue;    /* we want a reference */
+    keys[1] = kSecReturnRef;
+    values[2] = kSecMatchLimitAll; /* kSecMatchLimitOne would be better if the
+                                    * label matching below worked correctly */
+    keys[2] = kSecMatchLimit;
+    /* identity searches need a SecPolicyRef in order to work */
+    values[3] = SecPolicyCreateSSL(false, NULL);
+    keys[3] = kSecMatchPolicy;
+    /* match the name of the certificate (doesn't work in macOS 10.12.1) */
+    values[4] = label_cf;
+    keys[4] = kSecAttrLabel;
+    query_dict = CFDictionaryCreate(NULL, (const void **)keys,
+                                    (const void **)values, 5L,
+                                    &kCFCopyStringDictionaryKeyCallBacks,
+                                    &kCFTypeDictionaryValueCallBacks);
+    CFRelease(values[3]);
+
+    /* Do we have a match? */
+    status = SecItemCopyMatching(query_dict, (CFTypeRef *) &keys_list);
+
+    /* Because kSecAttrLabel matching doesn't work with kSecClassIdentity,
+     * we need to find the correct identity ourselves */
+    if(status == noErr) {
+      keys_list_count = CFArrayGetCount(keys_list);
+      *out_cert_and_key = NULL;
+      status = 1;
+      for(i = 0; i<keys_list_count; i++) {
+        OSStatus err = noErr;
+        SecCertificateRef cert = NULL;
+        SecIdentityRef identity =
+          (SecIdentityRef) CFArrayGetValueAtIndex(keys_list, i);
+        err = SecIdentityCopyCertificate(identity, &cert);
+        if(err == noErr) {
+#if CURL_BUILD_IOS
+          common_name = SecCertificateCopySubjectSummary(cert);
+#elif CURL_BUILD_MAC_10_7
+          SecCertificateCopyCommonName(cert, &common_name);
+#endif
+          if(CFStringCompare(common_name, label_cf, 0) == kCFCompareEqualTo) {
+            CFRelease(cert);
+            CFRelease(common_name);
+            CFRetain(identity);
+            *out_cert_and_key = identity;
+            status = noErr;
+            break;
+          }
+          CFRelease(common_name);
+        }
+        CFRelease(cert);
+      }
+    }
+
+    if(keys_list)
+      CFRelease(keys_list);
+    CFRelease(query_dict);
+    CFRelease(label_cf);
+  }
+  else {
+#if CURL_SUPPORT_MAC_10_6
+    /* On Leopard and Snow Leopard, fall back to SecKeychainSearch. */
+    status = CopyIdentityWithLabelOldSchool(label, out_cert_and_key);
+#endif /* CURL_SUPPORT_MAC_10_6 */
+  }
+#elif CURL_SUPPORT_MAC_10_6
+  /* For developers building on older cats, we have no choice but to fall back
+     to SecKeychainSearch. */
+  status = CopyIdentityWithLabelOldSchool(label, out_cert_and_key);
+#endif /* CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS */
+  return status;
+}
+
+static OSStatus CopyIdentityFromPKCS12File(const char *cPath,
+                                           const char *cPassword,
+                                           SecIdentityRef *out_cert_and_key)
+{
+  OSStatus status = errSecItemNotFound;
+  CFURLRef pkcs_url = CFURLCreateFromFileSystemRepresentation(NULL,
+    (const UInt8 *)cPath, strlen(cPath), false);
+  CFStringRef password = cPassword ? CFStringCreateWithCString(NULL,
+    cPassword, kCFStringEncodingUTF8) : NULL;
+  CFDataRef pkcs_data = NULL;
+
+  /* We can import P12 files on iOS or OS X 10.7 or later: */
+  /* These constants are documented as having first appeared in 10.6 but they
+     raise linker errors when used on that cat for some reason. */
+#if CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS
+  if(CFURLCreateDataAndPropertiesFromResource(NULL, pkcs_url, &pkcs_data,
+   NULL, NULL, &status)) {
+    CFArrayRef items = NULL;
+
+  /* On iOS SecPKCS12Import will never add the client certificate to the
+   * Keychain.
+   *
+   * It gives us back a SecIdentityRef that we can use directly. */
+#if CURL_BUILD_IOS
+    const void *cKeys[] = {kSecImportExportPassphrase};
+    const void *cValues[] = {password};
+    CFDictionaryRef options = CFDictionaryCreate(NULL, cKeys, cValues,
+      password ? 1L : 0L, NULL, NULL);
+
+    if(options != NULL) {
+      status = SecPKCS12Import(pkcs_data, options, &items);
+      CFRelease(options);
+    }
+
+
+  /* On macOS SecPKCS12Import will always add the client certificate to
+   * the Keychain.
+   *
+   * As this doesn't match iOS, and apps may not want to see their client
+   * certificate saved in the the user's keychain, we use SecItemImport
+   * with a NULL keychain to avoid importing it.
+   *
+   * This returns a SecCertificateRef from which we can construct a
+   * SecIdentityRef.
+   */
+#elif CURL_BUILD_MAC_10_7
+    SecItemImportExportKeyParameters keyParams;
+    SecExternalFormat inputFormat = kSecFormatPKCS12;
+    SecExternalItemType inputType = kSecItemTypeCertificate;
+
+    memset(&keyParams, 0x00, sizeof(keyParams));
+    keyParams.version    = SEC_KEY_IMPORT_EXPORT_PARAMS_VERSION;
+    keyParams.passphrase = password;
+
+    status = SecItemImport(pkcs_data, NULL, &inputFormat, &inputType,
+                           0, &keyParams, NULL, &items);
+#endif
+
+
+    /* Extract the SecIdentityRef */
+    if(status == errSecSuccess && items && CFArrayGetCount(items)) {
+      CFIndex i, count;
+      count = CFArrayGetCount(items);
+
+      for(i = 0; i < count; i++) {
+        CFTypeRef item = (CFTypeRef) CFArrayGetValueAtIndex(items, i);
+        CFTypeID  itemID = CFGetTypeID(item);
+
+        if(itemID == CFDictionaryGetTypeID()) {
+          CFTypeRef identity = (CFTypeRef) CFDictionaryGetValue(
+                                                 (CFDictionaryRef) item,
+                                                 kSecImportItemIdentity);
+          CFRetain(identity);
+          *out_cert_and_key = (SecIdentityRef) identity;
+          break;
+        }
+#if CURL_BUILD_MAC_10_7
+        else if(itemID == SecCertificateGetTypeID()) {
+          status = SecIdentityCreateWithCertificate(NULL,
+                                                 (SecCertificateRef) item,
+                                                 out_cert_and_key);
+          break;
+        }
+#endif
+      }
+    }
+
+    if(items)
+      CFRelease(items);
+    CFRelease(pkcs_data);
+  }
+#endif /* CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS */
+  if(password)
+    CFRelease(password);
+  CFRelease(pkcs_url);
+  return status;
+}
+
+/* This code was borrowed from nss.c, with some modifications:
+ * Determine whether the nickname passed in is a filename that needs to
+ * be loaded as a PEM or a regular NSS nickname.
+ *
+ * returns 1 for a file
+ * returns 0 for not a file
+ */
+CF_INLINE bool is_file(const char *filename)
+{
+  struct_stat st;
+
+  if(filename == NULL)
+    return false;
+
+  if(stat(filename, &st) == 0)
+    return S_ISREG(st.st_mode);
+  return false;
+}
+
+#if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
+static CURLcode darwinssl_version_from_curl(SSLProtocol *darwinver,
+                                            long ssl_version)
+{
+  switch(ssl_version) {
+    case CURL_SSLVERSION_TLSv1_0:
+      *darwinver = kTLSProtocol1;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_1:
+      *darwinver = kTLSProtocol11;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_2:
+      *darwinver = kTLSProtocol12;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_3:
+      /* TLS 1.3 support first appeared in iOS 11 and macOS 10.13 */
+#if (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) && HAVE_BUILTIN_AVAILABLE == 1
+      if(__builtin_available(macOS 10.13, iOS 11.0, *)) {
+        *darwinver = kTLSProtocol13;
+        return CURLE_OK;
+      }
+#endif /* (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) &&
+          HAVE_BUILTIN_AVAILABLE == 1 */
+      break;
+  }
+  return CURLE_SSL_CONNECT_ERROR;
+}
+#endif
+
+static CURLcode
+set_ssl_version_min_max(struct connectdata *conn, int sockindex)
+{
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  long ssl_version = SSL_CONN_CONFIG(version);
+  long ssl_version_max = SSL_CONN_CONFIG(version_max);
+  long max_supported_version_by_os;
+
+  /* macOS 10.5-10.7 supported TLS 1.0 only.
+     macOS 10.8 and later, and iOS 5 and later, added TLS 1.1 and 1.2.
+     macOS 10.13 and later, and iOS 11 and later, added TLS 1.3. */
+#if (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) && HAVE_BUILTIN_AVAILABLE == 1
+  if(__builtin_available(macOS 10.13, iOS 11.0, *)) {
+    max_supported_version_by_os = CURL_SSLVERSION_MAX_TLSv1_3;
+  }
+  else {
+    max_supported_version_by_os = CURL_SSLVERSION_MAX_TLSv1_2;
+  }
+#else
+  max_supported_version_by_os = CURL_SSLVERSION_MAX_TLSv1_2;
+#endif /* (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) &&
+          HAVE_BUILTIN_AVAILABLE == 1 */
+
+  switch(ssl_version) {
+    case CURL_SSLVERSION_DEFAULT:
+    case CURL_SSLVERSION_TLSv1:
+      ssl_version = CURL_SSLVERSION_TLSv1_0;
+      break;
+  }
+
+  switch(ssl_version_max) {
+    case CURL_SSLVERSION_MAX_NONE:
+    case CURL_SSLVERSION_MAX_DEFAULT:
+      ssl_version_max = max_supported_version_by_os;
+      break;
+  }
+
+#if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
+  if(SSLSetProtocolVersionMax != NULL) {
+    SSLProtocol darwin_ver_min = kTLSProtocol1;
+    SSLProtocol darwin_ver_max = kTLSProtocol1;
+    CURLcode result = darwinssl_version_from_curl(&darwin_ver_min,
+                                                  ssl_version);
+    if(result) {
+      failf(data, "unsupported min version passed via CURLOPT_SSLVERSION");
+      return result;
+    }
+    result = darwinssl_version_from_curl(&darwin_ver_max,
+                                         ssl_version_max >> 16);
+    if(result) {
+      failf(data, "unsupported max version passed via CURLOPT_SSLVERSION");
+      return result;
+    }
+
+    (void)SSLSetProtocolVersionMin(BACKEND->ssl_ctx, darwin_ver_min);
+    (void)SSLSetProtocolVersionMax(BACKEND->ssl_ctx, darwin_ver_max);
+    return result;
+  }
+  else {
+#if CURL_SUPPORT_MAC_10_8
+    long i = ssl_version;
+    (void)SSLSetProtocolVersionEnabled(BACKEND->ssl_ctx,
+                                       kSSLProtocolAll,
+                                       false);
+    for(; i <= (ssl_version_max >> 16); i++) {
+      switch(i) {
+        case CURL_SSLVERSION_TLSv1_0:
+          (void)SSLSetProtocolVersionEnabled(BACKEND->ssl_ctx,
+                                            kTLSProtocol1,
+                                            true);
+          break;
+        case CURL_SSLVERSION_TLSv1_1:
+          (void)SSLSetProtocolVersionEnabled(BACKEND->ssl_ctx,
+                                            kTLSProtocol11,
+                                            true);
+          break;
+        case CURL_SSLVERSION_TLSv1_2:
+          (void)SSLSetProtocolVersionEnabled(BACKEND->ssl_ctx,
+                                            kTLSProtocol12,
+                                            true);
+          break;
+        case CURL_SSLVERSION_TLSv1_3:
+          failf(data, "Your version of the OS does not support TLSv1.3");
+          return CURLE_SSL_CONNECT_ERROR;
+      }
+    }
+    return CURLE_OK;
+#endif  /* CURL_SUPPORT_MAC_10_8 */
+  }
+#endif  /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
+  failf(data, "DarwinSSL: cannot set SSL protocol");
+  return CURLE_SSL_CONNECT_ERROR;
+}
+
+
+static CURLcode darwinssl_connect_step1(struct connectdata *conn,
+                                        int sockindex)
+{
+  struct Curl_easy *data = conn->data;
+  curl_socket_t sockfd = conn->sock[sockindex];
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  const char * const ssl_cafile = SSL_CONN_CONFIG(CAfile);
+  const bool verifypeer = SSL_CONN_CONFIG(verifypeer);
+  char * const ssl_cert = SSL_SET_OPTION(cert);
+  const char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
+    conn->host.name;
+  const long int port = SSL_IS_PROXY() ? conn->port : conn->remote_port;
+#ifdef ENABLE_IPV6
+  struct in6_addr addr;
+#else
+  struct in_addr addr;
+#endif /* ENABLE_IPV6 */
+  size_t all_ciphers_count = 0UL, allowed_ciphers_count = 0UL, i;
+  SSLCipherSuite *all_ciphers = NULL, *allowed_ciphers = NULL;
+  OSStatus err = noErr;
+#if CURL_BUILD_MAC
+  int darwinver_maj = 0, darwinver_min = 0;
+
+  GetDarwinVersionNumber(&darwinver_maj, &darwinver_min);
+#endif /* CURL_BUILD_MAC */
+
+#if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
+  if(SSLCreateContext != NULL) {  /* use the newer API if available */
+    if(BACKEND->ssl_ctx)
+      CFRelease(BACKEND->ssl_ctx);
+    BACKEND->ssl_ctx = SSLCreateContext(NULL, kSSLClientSide, kSSLStreamType);
+    if(!BACKEND->ssl_ctx) {
+      failf(data, "SSL: couldn't create a context!");
+      return CURLE_OUT_OF_MEMORY;
+    }
+  }
+  else {
+  /* The old ST API does not exist under iOS, so don't compile it: */
+#if CURL_SUPPORT_MAC_10_8
+    if(BACKEND->ssl_ctx)
+      (void)SSLDisposeContext(BACKEND->ssl_ctx);
+    err = SSLNewContext(false, &(BACKEND->ssl_ctx));
+    if(err != noErr) {
+      failf(data, "SSL: couldn't create a context: OSStatus %d", err);
+      return CURLE_OUT_OF_MEMORY;
+    }
+#endif /* CURL_SUPPORT_MAC_10_8 */
+  }
+#else
+  if(BACKEND->ssl_ctx)
+    (void)SSLDisposeContext(BACKEND->ssl_ctx);
+  err = SSLNewContext(false, &(BACKEND->ssl_ctx));
+  if(err != noErr) {
+    failf(data, "SSL: couldn't create a context: OSStatus %d", err);
+    return CURLE_OUT_OF_MEMORY;
+  }
+#endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
+  BACKEND->ssl_write_buffered_length = 0UL; /* reset buffered write length */
+
+  /* check to see if we've been told to use an explicit SSL/TLS version */
+#if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
+  if(SSLSetProtocolVersionMax != NULL) {
+    switch(conn->ssl_config.version) {
+    case CURL_SSLVERSION_TLSv1:
+      (void)SSLSetProtocolVersionMin(BACKEND->ssl_ctx, kTLSProtocol1);
+#if (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) && HAVE_BUILTIN_AVAILABLE == 1
+      if(__builtin_available(macOS 10.13, iOS 11.0, *)) {
+        (void)SSLSetProtocolVersionMax(BACKEND->ssl_ctx, kTLSProtocol13);
+      }
+      else {
+        (void)SSLSetProtocolVersionMax(BACKEND->ssl_ctx, kTLSProtocol12);
+      }
+#else
+      (void)SSLSetProtocolVersionMax(BACKEND->ssl_ctx, kTLSProtocol12);
+#endif /* (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) &&
+          HAVE_BUILTIN_AVAILABLE == 1 */
+      break;
+    case CURL_SSLVERSION_DEFAULT:
+    case CURL_SSLVERSION_TLSv1_0:
+    case CURL_SSLVERSION_TLSv1_1:
+    case CURL_SSLVERSION_TLSv1_2:
+    case CURL_SSLVERSION_TLSv1_3:
+      {
+        CURLcode result = set_ssl_version_min_max(conn, sockindex);
+        if(result != CURLE_OK)
+          return result;
+        break;
+      }
+    case CURL_SSLVERSION_SSLv3:
+      err = SSLSetProtocolVersionMin(BACKEND->ssl_ctx, kSSLProtocol3);
+      if(err != noErr) {
+        failf(data, "Your version of the OS does not support SSLv3");
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      (void)SSLSetProtocolVersionMax(BACKEND->ssl_ctx, kSSLProtocol3);
+      break;
+    case CURL_SSLVERSION_SSLv2:
+      err = SSLSetProtocolVersionMin(BACKEND->ssl_ctx, kSSLProtocol2);
+      if(err != noErr) {
+        failf(data, "Your version of the OS does not support SSLv2");
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      (void)SSLSetProtocolVersionMax(BACKEND->ssl_ctx, kSSLProtocol2);
+      break;
+    default:
+      failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+  }
+  else {
+#if CURL_SUPPORT_MAC_10_8
+    (void)SSLSetProtocolVersionEnabled(BACKEND->ssl_ctx,
+                                       kSSLProtocolAll,
+                                       false);
+    switch(conn->ssl_config.version) {
+    case CURL_SSLVERSION_DEFAULT:
+    case CURL_SSLVERSION_TLSv1:
+      (void)SSLSetProtocolVersionEnabled(BACKEND->ssl_ctx,
+                                         kTLSProtocol1,
+                                         true);
+      (void)SSLSetProtocolVersionEnabled(BACKEND->ssl_ctx,
+                                         kTLSProtocol11,
+                                         true);
+      (void)SSLSetProtocolVersionEnabled(BACKEND->ssl_ctx,
+                                         kTLSProtocol12,
+                                         true);
+      break;
+    case CURL_SSLVERSION_TLSv1_0:
+    case CURL_SSLVERSION_TLSv1_1:
+    case CURL_SSLVERSION_TLSv1_2:
+    case CURL_SSLVERSION_TLSv1_3:
+      {
+        CURLcode result = set_ssl_version_min_max(conn, sockindex);
+        if(result != CURLE_OK)
+          return result;
+        break;
+      }
+    case CURL_SSLVERSION_SSLv3:
+      err = SSLSetProtocolVersionEnabled(BACKEND->ssl_ctx,
+                                         kSSLProtocol3,
+                                         true);
+      if(err != noErr) {
+        failf(data, "Your version of the OS does not support SSLv3");
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      break;
+    case CURL_SSLVERSION_SSLv2:
+      err = SSLSetProtocolVersionEnabled(BACKEND->ssl_ctx,
+                                         kSSLProtocol2,
+                                         true);
+      if(err != noErr) {
+        failf(data, "Your version of the OS does not support SSLv2");
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      break;
+    default:
+      failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+#endif  /* CURL_SUPPORT_MAC_10_8 */
+  }
+#else
+  if(conn->ssl_config.version_max != CURL_SSLVERSION_MAX_NONE) {
+    failf(data, "Your version of the OS does not support to set maximum"
+                " SSL/TLS version");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+  (void)SSLSetProtocolVersionEnabled(BACKEND->ssl_ctx, kSSLProtocolAll, false);
+  switch(conn->ssl_config.version) {
+  case CURL_SSLVERSION_DEFAULT:
+  case CURL_SSLVERSION_TLSv1:
+  case CURL_SSLVERSION_TLSv1_0:
+    (void)SSLSetProtocolVersionEnabled(BACKEND->ssl_ctx,
+                                       kTLSProtocol1,
+                                       true);
+    break;
+  case CURL_SSLVERSION_TLSv1_1:
+    failf(data, "Your version of the OS does not support TLSv1.1");
+    return CURLE_SSL_CONNECT_ERROR;
+  case CURL_SSLVERSION_TLSv1_2:
+    failf(data, "Your version of the OS does not support TLSv1.2");
+    return CURLE_SSL_CONNECT_ERROR;
+  case CURL_SSLVERSION_TLSv1_3:
+    failf(data, "Your version of the OS does not support TLSv1.3");
+    return CURLE_SSL_CONNECT_ERROR;
+  case CURL_SSLVERSION_SSLv2:
+    err = SSLSetProtocolVersionEnabled(BACKEND->ssl_ctx,
+                                       kSSLProtocol2,
+                                       true);
+    if(err != noErr) {
+      failf(data, "Your version of the OS does not support SSLv2");
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+    break;
+  case CURL_SSLVERSION_SSLv3:
+    err = SSLSetProtocolVersionEnabled(BACKEND->ssl_ctx,
+                                       kSSLProtocol3,
+                                       true);
+    if(err != noErr) {
+      failf(data, "Your version of the OS does not support SSLv3");
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+    break;
+  default:
+    failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+#endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
+
+#if (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) && HAVE_BUILTIN_AVAILABLE == 1
+  if(conn->bits.tls_enable_alpn) {
+    if(__builtin_available(macOS 10.13.4, iOS 11, *)) {
+      CFMutableArrayRef alpnArr = CFArrayCreateMutable(NULL, 0,
+                                                       &kCFTypeArrayCallBacks);
+
+#ifdef USE_NGHTTP2
+      if(data->set.httpversion >= CURL_HTTP_VERSION_2 &&
+         (!SSL_IS_PROXY() || !conn->bits.tunnel_proxy)) {
+        CFArrayAppendValue(alpnArr, CFSTR(NGHTTP2_PROTO_VERSION_ID));
+        infof(data, "ALPN, offering %s\n", NGHTTP2_PROTO_VERSION_ID);
+      }
+#endif
+
+      CFArrayAppendValue(alpnArr, CFSTR(ALPN_HTTP_1_1));
+      infof(data, "ALPN, offering %s\n", ALPN_HTTP_1_1);
+
+      /* expects length prefixed preference ordered list of protocols in wire
+       * format
+       */
+      err = SSLSetALPNProtocols(BACKEND->ssl_ctx, alpnArr);
+      if(err != noErr)
+        infof(data, "WARNING: failed to set ALPN protocols; OSStatus %d\n",
+              err);
+      CFRelease(alpnArr);
+    }
+  }
+#endif
+
+  if(SSL_SET_OPTION(key)) {
+    infof(data, "WARNING: SSL: CURLOPT_SSLKEY is ignored by Secure "
+          "Transport. The private key must be in the Keychain.\n");
+  }
+
+  if(ssl_cert) {
+    SecIdentityRef cert_and_key = NULL;
+    bool is_cert_file = is_file(ssl_cert);
+
+    /* User wants to authenticate with a client cert. Look for it:
+       If we detect that this is a file on disk, then let's load it.
+       Otherwise, assume that the user wants to use an identity loaded
+       from the Keychain. */
+    if(is_cert_file) {
+      if(!SSL_SET_OPTION(cert_type))
+        infof(data, "WARNING: SSL: Certificate type not set, assuming "
+                    "PKCS#12 format.\n");
+      else if(strncmp(SSL_SET_OPTION(cert_type), "P12",
+        strlen(SSL_SET_OPTION(cert_type))) != 0)
+        infof(data, "WARNING: SSL: The Security framework only supports "
+                    "loading identities that are in PKCS#12 format.\n");
+
+      err = CopyIdentityFromPKCS12File(ssl_cert,
+        SSL_SET_OPTION(key_passwd), &cert_and_key);
+    }
+    else
+      err = CopyIdentityWithLabel(ssl_cert, &cert_and_key);
+
+    if(err == noErr && cert_and_key) {
+      SecCertificateRef cert = NULL;
+      CFTypeRef certs_c[1];
+      CFArrayRef certs;
+
+      /* If we found one, print it out: */
+      err = SecIdentityCopyCertificate(cert_and_key, &cert);
+      if(err == noErr) {
+        char *certp;
+        CURLcode result = CopyCertSubject(data, cert, &certp);
+        if(!result) {
+          infof(data, "Client certificate: %s\n", certp);
+          free(certp);
+        }
+
+        CFRelease(cert);
+        if(result == CURLE_PEER_FAILED_VERIFICATION)
+          return CURLE_SSL_CERTPROBLEM;
+        if(result)
+          return result;
+      }
+      certs_c[0] = cert_and_key;
+      certs = CFArrayCreate(NULL, (const void **)certs_c, 1L,
+                            &kCFTypeArrayCallBacks);
+      err = SSLSetCertificate(BACKEND->ssl_ctx, certs);
+      if(certs)
+        CFRelease(certs);
+      if(err != noErr) {
+        failf(data, "SSL: SSLSetCertificate() failed: OSStatus %d", err);
+        return CURLE_SSL_CERTPROBLEM;
+      }
+      CFRelease(cert_and_key);
+    }
+    else {
+      switch(err) {
+      case errSecAuthFailed: case -25264: /* errSecPkcs12VerifyFailure */
+        failf(data, "SSL: Incorrect password for the certificate \"%s\" "
+                    "and its private key.", ssl_cert);
+        break;
+      case -26275: /* errSecDecode */ case -25257: /* errSecUnknownFormat */
+        failf(data, "SSL: Couldn't make sense of the data in the "
+                    "certificate \"%s\" and its private key.",
+                    ssl_cert);
+        break;
+      case -25260: /* errSecPassphraseRequired */
+        failf(data, "SSL The certificate \"%s\" requires a password.",
+                    ssl_cert);
+        break;
+      case errSecItemNotFound:
+        failf(data, "SSL: Can't find the certificate \"%s\" and its private "
+                    "key in the Keychain.", ssl_cert);
+        break;
+      default:
+        failf(data, "SSL: Can't load the certificate \"%s\" and its private "
+                    "key: OSStatus %d", ssl_cert, err);
+        break;
+      }
+      return CURLE_SSL_CERTPROBLEM;
+    }
+  }
+
+  /* SSL always tries to verify the peer, this only says whether it should
+   * fail to connect if the verification fails, or if it should continue
+   * anyway. In the latter case the result of the verification is checked with
+   * SSL_get_verify_result() below. */
+#if CURL_BUILD_MAC_10_6 || CURL_BUILD_IOS
+  /* Snow Leopard introduced the SSLSetSessionOption() function, but due to
+     a library bug with the way the kSSLSessionOptionBreakOnServerAuth flag
+     works, it doesn't work as expected under Snow Leopard, Lion or
+     Mountain Lion.
+     So we need to call SSLSetEnableCertVerify() on those older cats in order
+     to disable certificate validation if the user turned that off.
+     (SecureTransport will always validate the certificate chain by
+     default.)
+  Note:
+  Darwin 11.x.x is Lion (10.7)
+  Darwin 12.x.x is Mountain Lion (10.8)
+  Darwin 13.x.x is Mavericks (10.9)
+  Darwin 14.x.x is Yosemite (10.10)
+  Darwin 15.x.x is El Capitan (10.11)
+  */
+#if CURL_BUILD_MAC
+  if(SSLSetSessionOption != NULL && darwinver_maj >= 13) {
+#else
+  if(SSLSetSessionOption != NULL) {
+#endif /* CURL_BUILD_MAC */
+    bool break_on_auth = !conn->ssl_config.verifypeer || ssl_cafile;
+    err = SSLSetSessionOption(BACKEND->ssl_ctx,
+                              kSSLSessionOptionBreakOnServerAuth,
+                              break_on_auth);
+    if(err != noErr) {
+      failf(data, "SSL: SSLSetSessionOption() failed: OSStatus %d", err);
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+  }
+  else {
+#if CURL_SUPPORT_MAC_10_8
+    err = SSLSetEnableCertVerify(BACKEND->ssl_ctx,
+                                 conn->ssl_config.verifypeer?true:false);
+    if(err != noErr) {
+      failf(data, "SSL: SSLSetEnableCertVerify() failed: OSStatus %d", err);
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+#endif /* CURL_SUPPORT_MAC_10_8 */
+  }
+#else
+  err = SSLSetEnableCertVerify(BACKEND->ssl_ctx,
+                               conn->ssl_config.verifypeer?true:false);
+  if(err != noErr) {
+    failf(data, "SSL: SSLSetEnableCertVerify() failed: OSStatus %d", err);
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+#endif /* CURL_BUILD_MAC_10_6 || CURL_BUILD_IOS */
+
+  if(ssl_cafile && verifypeer) {
+    bool is_cert_file = is_file(ssl_cafile);
+
+    if(!is_cert_file) {
+      failf(data, "SSL: can't load CA certificate file %s", ssl_cafile);
+      return CURLE_SSL_CACERT_BADFILE;
+    }
+  }
+
+  /* Configure hostname check. SNI is used if available.
+   * Both hostname check and SNI require SSLSetPeerDomainName().
+   * Also: the verifyhost setting influences SNI usage */
+  if(conn->ssl_config.verifyhost) {
+    err = SSLSetPeerDomainName(BACKEND->ssl_ctx, hostname,
+    strlen(hostname));
+
+    if(err != noErr) {
+      infof(data, "WARNING: SSL: SSLSetPeerDomainName() failed: OSStatus %d\n",
+            err);
+    }
+
+    if((Curl_inet_pton(AF_INET, hostname, &addr))
+  #ifdef ENABLE_IPV6
+    || (Curl_inet_pton(AF_INET6, hostname, &addr))
+  #endif
+       ) {
+      infof(data, "WARNING: using IP address, SNI is being disabled by "
+            "the OS.\n");
+    }
+  }
+  else {
+    infof(data, "WARNING: disabling hostname validation also disables SNI.\n");
+  }
+
+  /* Disable cipher suites that ST supports but are not safe. These ciphers
+     are unlikely to be used in any case since ST gives other ciphers a much
+     higher priority, but it's probably better that we not connect at all than
+     to give the user a false sense of security if the server only supports
+     insecure ciphers. (Note: We don't care about SSLv2-only ciphers.) */
+  err = SSLGetNumberSupportedCiphers(BACKEND->ssl_ctx, &all_ciphers_count);
+  if(err != noErr) {
+    failf(data, "SSL: SSLGetNumberSupportedCiphers() failed: OSStatus %d",
+          err);
+    return CURLE_SSL_CIPHER;
+  }
+  all_ciphers = malloc(all_ciphers_count*sizeof(SSLCipherSuite));
+  if(!all_ciphers) {
+    failf(data, "SSL: Failed to allocate memory for all ciphers");
+    return CURLE_OUT_OF_MEMORY;
+  }
+  allowed_ciphers = malloc(all_ciphers_count*sizeof(SSLCipherSuite));
+  if(!allowed_ciphers) {
+    Curl_safefree(all_ciphers);
+    failf(data, "SSL: Failed to allocate memory for allowed ciphers");
+    return CURLE_OUT_OF_MEMORY;
+  }
+  err = SSLGetSupportedCiphers(BACKEND->ssl_ctx, all_ciphers,
+                               &all_ciphers_count);
+  if(err != noErr) {
+    Curl_safefree(all_ciphers);
+    Curl_safefree(allowed_ciphers);
+    return CURLE_SSL_CIPHER;
+  }
+  for(i = 0UL ; i < all_ciphers_count ; i++) {
+#if CURL_BUILD_MAC
+   /* There's a known bug in early versions of Mountain Lion where ST's ECC
+      ciphers (cipher suite 0xC001 through 0xC032) simply do not work.
+      Work around the problem here by disabling those ciphers if we are
+      running in an affected version of OS X. */
+    if(darwinver_maj == 12 && darwinver_min <= 3 &&
+       all_ciphers[i] >= 0xC001 && all_ciphers[i] <= 0xC032) {
+      continue;
+    }
+#endif /* CURL_BUILD_MAC */
+    switch(all_ciphers[i]) {
+      /* Disable NULL ciphersuites: */
+      case SSL_NULL_WITH_NULL_NULL:
+      case SSL_RSA_WITH_NULL_MD5:
+      case SSL_RSA_WITH_NULL_SHA:
+      case 0x003B: /* TLS_RSA_WITH_NULL_SHA256 */
+      case SSL_FORTEZZA_DMS_WITH_NULL_SHA:
+      case 0xC001: /* TLS_ECDH_ECDSA_WITH_NULL_SHA */
+      case 0xC006: /* TLS_ECDHE_ECDSA_WITH_NULL_SHA */
+      case 0xC00B: /* TLS_ECDH_RSA_WITH_NULL_SHA */
+      case 0xC010: /* TLS_ECDHE_RSA_WITH_NULL_SHA */
+      case 0x002C: /* TLS_PSK_WITH_NULL_SHA */
+      case 0x002D: /* TLS_DHE_PSK_WITH_NULL_SHA */
+      case 0x002E: /* TLS_RSA_PSK_WITH_NULL_SHA */
+      case 0x00B0: /* TLS_PSK_WITH_NULL_SHA256 */
+      case 0x00B1: /* TLS_PSK_WITH_NULL_SHA384 */
+      case 0x00B4: /* TLS_DHE_PSK_WITH_NULL_SHA256 */
+      case 0x00B5: /* TLS_DHE_PSK_WITH_NULL_SHA384 */
+      case 0x00B8: /* TLS_RSA_PSK_WITH_NULL_SHA256 */
+      case 0x00B9: /* TLS_RSA_PSK_WITH_NULL_SHA384 */
+      /* Disable anonymous ciphersuites: */
+      case SSL_DH_anon_EXPORT_WITH_RC4_40_MD5:
+      case SSL_DH_anon_WITH_RC4_128_MD5:
+      case SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA:
+      case SSL_DH_anon_WITH_DES_CBC_SHA:
+      case SSL_DH_anon_WITH_3DES_EDE_CBC_SHA:
+      case TLS_DH_anon_WITH_AES_128_CBC_SHA:
+      case TLS_DH_anon_WITH_AES_256_CBC_SHA:
+      case 0xC015: /* TLS_ECDH_anon_WITH_NULL_SHA */
+      case 0xC016: /* TLS_ECDH_anon_WITH_RC4_128_SHA */
+      case 0xC017: /* TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA */
+      case 0xC018: /* TLS_ECDH_anon_WITH_AES_128_CBC_SHA */
+      case 0xC019: /* TLS_ECDH_anon_WITH_AES_256_CBC_SHA */
+      case 0x006C: /* TLS_DH_anon_WITH_AES_128_CBC_SHA256 */
+      case 0x006D: /* TLS_DH_anon_WITH_AES_256_CBC_SHA256 */
+      case 0x00A6: /* TLS_DH_anon_WITH_AES_128_GCM_SHA256 */
+      case 0x00A7: /* TLS_DH_anon_WITH_AES_256_GCM_SHA384 */
+      /* Disable weak key ciphersuites: */
+      case SSL_RSA_EXPORT_WITH_RC4_40_MD5:
+      case SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5:
+      case SSL_RSA_EXPORT_WITH_DES40_CBC_SHA:
+      case SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA:
+      case SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA:
+      case SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA:
+      case SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA:
+      case SSL_RSA_WITH_DES_CBC_SHA:
+      case SSL_DH_DSS_WITH_DES_CBC_SHA:
+      case SSL_DH_RSA_WITH_DES_CBC_SHA:
+      case SSL_DHE_DSS_WITH_DES_CBC_SHA:
+      case SSL_DHE_RSA_WITH_DES_CBC_SHA:
+      /* Disable IDEA: */
+      case SSL_RSA_WITH_IDEA_CBC_SHA:
+      case SSL_RSA_WITH_IDEA_CBC_MD5:
+      /* Disable RC4: */
+      case SSL_RSA_WITH_RC4_128_MD5:
+      case SSL_RSA_WITH_RC4_128_SHA:
+      case 0xC002: /* TLS_ECDH_ECDSA_WITH_RC4_128_SHA */
+      case 0xC007: /* TLS_ECDHE_ECDSA_WITH_RC4_128_SHA*/
+      case 0xC00C: /* TLS_ECDH_RSA_WITH_RC4_128_SHA */
+      case 0xC011: /* TLS_ECDHE_RSA_WITH_RC4_128_SHA */
+      case 0x008A: /* TLS_PSK_WITH_RC4_128_SHA */
+      case 0x008E: /* TLS_DHE_PSK_WITH_RC4_128_SHA */
+      case 0x0092: /* TLS_RSA_PSK_WITH_RC4_128_SHA */
+        break;
+      default: /* enable everything else */
+        allowed_ciphers[allowed_ciphers_count++] = all_ciphers[i];
+        break;
+    }
+  }
+  err = SSLSetEnabledCiphers(BACKEND->ssl_ctx, allowed_ciphers,
+                             allowed_ciphers_count);
+  Curl_safefree(all_ciphers);
+  Curl_safefree(allowed_ciphers);
+  if(err != noErr) {
+    failf(data, "SSL: SSLSetEnabledCiphers() failed: OSStatus %d", err);
+    return CURLE_SSL_CIPHER;
+  }
+
+#if CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7
+  /* We want to enable 1/n-1 when using a CBC cipher unless the user
+     specifically doesn't want us doing that: */
+  if(SSLSetSessionOption != NULL) {
+    /* TODO s/data->set.ssl.enable_beast/SSL_SET_OPTION(enable_beast)/g */
+    SSLSetSessionOption(BACKEND->ssl_ctx, kSSLSessionOptionSendOneByteRecord,
+                      !data->set.ssl.enable_beast);
+    SSLSetSessionOption(BACKEND->ssl_ctx, kSSLSessionOptionFalseStart,
+                      data->set.ssl.falsestart); /* false start support */
+  }
+#endif /* CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7 */
+
+  /* Check if there's a cached ID we can/should use here! */
+  if(SSL_SET_OPTION(primary.sessionid)) {
+    char *ssl_sessionid;
+    size_t ssl_sessionid_len;
+
+    Curl_ssl_sessionid_lock(conn);
+    if(!Curl_ssl_getsessionid(conn, (void **)&ssl_sessionid,
+                              &ssl_sessionid_len, sockindex)) {
+      /* we got a session id, use it! */
+      err = SSLSetPeerID(BACKEND->ssl_ctx, ssl_sessionid, ssl_sessionid_len);
+      Curl_ssl_sessionid_unlock(conn);
+      if(err != noErr) {
+        failf(data, "SSL: SSLSetPeerID() failed: OSStatus %d", err);
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      /* Informational message */
+      infof(data, "SSL re-using session ID\n");
+    }
+    /* If there isn't one, then let's make one up! This has to be done prior
+       to starting the handshake. */
+    else {
+      CURLcode result;
+      ssl_sessionid =
+        aprintf("%s:%d:%d:%s:%hu", ssl_cafile,
+                verifypeer, SSL_CONN_CONFIG(verifyhost), hostname, port);
+      ssl_sessionid_len = strlen(ssl_sessionid);
+
+      err = SSLSetPeerID(BACKEND->ssl_ctx, ssl_sessionid, ssl_sessionid_len);
+      if(err != noErr) {
+        Curl_ssl_sessionid_unlock(conn);
+        failf(data, "SSL: SSLSetPeerID() failed: OSStatus %d", err);
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+
+      result = Curl_ssl_addsessionid(conn, ssl_sessionid, ssl_sessionid_len,
+                                     sockindex);
+      Curl_ssl_sessionid_unlock(conn);
+      if(result) {
+        failf(data, "failed to store ssl session");
+        return result;
+      }
+    }
+  }
+
+  err = SSLSetIOFuncs(BACKEND->ssl_ctx, SocketRead, SocketWrite);
+  if(err != noErr) {
+    failf(data, "SSL: SSLSetIOFuncs() failed: OSStatus %d", err);
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  /* pass the raw socket into the SSL layers */
+  /* We need to store the FD in a constant memory address, because
+   * SSLSetConnection() will not copy that address. I've found that
+   * conn->sock[sockindex] may change on its own. */
+  BACKEND->ssl_sockfd = sockfd;
+  err = SSLSetConnection(BACKEND->ssl_ctx, connssl);
+  if(err != noErr) {
+    failf(data, "SSL: SSLSetConnection() failed: %d", err);
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  connssl->connecting_state = ssl_connect_2;
+  return CURLE_OK;
+}
+
+static long pem_to_der(const char *in, unsigned char **out, size_t *outlen)
+{
+  char *sep_start, *sep_end, *cert_start, *cert_end;
+  size_t i, j, err;
+  size_t len;
+  unsigned char *b64;
+
+  /* Jump through the separators at the beginning of the certificate. */
+  sep_start = strstr(in, "-----");
+  if(sep_start == NULL)
+    return 0;
+  cert_start = strstr(sep_start + 1, "-----");
+  if(cert_start == NULL)
+    return -1;
+
+  cert_start += 5;
+
+  /* Find separator after the end of the certificate. */
+  cert_end = strstr(cert_start, "-----");
+  if(cert_end == NULL)
+    return -1;
+
+  sep_end = strstr(cert_end + 1, "-----");
+  if(sep_end == NULL)
+    return -1;
+  sep_end += 5;
+
+  len = cert_end - cert_start;
+  b64 = malloc(len + 1);
+  if(!b64)
+    return -1;
+
+  /* Create base64 string without linefeeds. */
+  for(i = 0, j = 0; i < len; i++) {
+    if(cert_start[i] != '\r' && cert_start[i] != '\n')
+      b64[j++] = cert_start[i];
+  }
+  b64[j] = '\0';
+
+  err = Curl_base64_decode((const char *)b64, out, outlen);
+  free(b64);
+  if(err) {
+    free(*out);
+    return -1;
+  }
+
+  return sep_end - in;
+}
+
+static int read_cert(const char *file, unsigned char **out, size_t *outlen)
+{
+  int fd;
+  ssize_t n, len = 0, cap = 512;
+  unsigned char buf[512], *data;
+
+  fd = open(file, 0);
+  if(fd < 0)
+    return -1;
+
+  data = malloc(cap);
+  if(!data) {
+    close(fd);
+    return -1;
+  }
+
+  for(;;) {
+    n = read(fd, buf, sizeof(buf));
+    if(n < 0) {
+      close(fd);
+      free(data);
+      return -1;
+    }
+    else if(n == 0) {
+      close(fd);
+      break;
+    }
+
+    if(len + n >= cap) {
+      cap *= 2;
+      data = Curl_saferealloc(data, cap);
+      if(!data) {
+        close(fd);
+        return -1;
+      }
+    }
+
+    memcpy(data + len, buf, n);
+    len += n;
+  }
+  data[len] = '\0';
+
+  *out = data;
+  *outlen = len;
+
+  return 0;
+}
+
+static int append_cert_to_array(struct Curl_easy *data,
+                                unsigned char *buf, size_t buflen,
+                                CFMutableArrayRef array)
+{
+    CFDataRef certdata = CFDataCreate(kCFAllocatorDefault, buf, buflen);
+    char *certp;
+    CURLcode result;
+    if(!certdata) {
+      failf(data, "SSL: failed to allocate array for CA certificate");
+      return CURLE_OUT_OF_MEMORY;
+    }
+
+    SecCertificateRef cacert =
+      SecCertificateCreateWithData(kCFAllocatorDefault, certdata);
+    CFRelease(certdata);
+    if(!cacert) {
+      failf(data, "SSL: failed to create SecCertificate from CA certificate");
+      return CURLE_SSL_CACERT_BADFILE;
+    }
+
+    /* Check if cacert is valid. */
+    result = CopyCertSubject(data, cacert, &certp);
+    switch(result) {
+      case CURLE_OK:
+        break;
+      case CURLE_PEER_FAILED_VERIFICATION:
+        return CURLE_SSL_CACERT_BADFILE;
+      case CURLE_OUT_OF_MEMORY:
+      default:
+        return result;
+    }
+    free(certp);
+
+    CFArrayAppendValue(array, cacert);
+    CFRelease(cacert);
+
+    return CURLE_OK;
+}
+
+static int verify_cert(const char *cafile, struct Curl_easy *data,
+                       SSLContextRef ctx)
+{
+  int n = 0, rc;
+  long res;
+  unsigned char *certbuf, *der;
+  size_t buflen, derlen, offset = 0;
+
+  if(read_cert(cafile, &certbuf, &buflen) < 0) {
+    failf(data, "SSL: failed to read or invalid CA certificate");
+    return CURLE_SSL_CACERT_BADFILE;
+  }
+
+  /*
+   * Certbuf now contains the contents of the certificate file, which can be
+   * - a single DER certificate,
+   * - a single PEM certificate or
+   * - a bunch of PEM certificates (certificate bundle).
+   *
+   * Go through certbuf, and convert any PEM certificate in it into DER
+   * format.
+   */
+  CFMutableArrayRef array = CFArrayCreateMutable(kCFAllocatorDefault, 0,
+                                                 &kCFTypeArrayCallBacks);
+  if(array == NULL) {
+    free(certbuf);
+    failf(data, "SSL: out of memory creating CA certificate array");
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  while(offset < buflen) {
+    n++;
+
+    /*
+     * Check if the certificate is in PEM format, and convert it to DER. If
+     * this fails, we assume the certificate is in DER format.
+     */
+    res = pem_to_der((const char *)certbuf + offset, &der, &derlen);
+    if(res < 0) {
+      free(certbuf);
+      CFRelease(array);
+      failf(data, "SSL: invalid CA certificate #%d (offset %d) in bundle",
+            n, offset);
+      return CURLE_SSL_CACERT_BADFILE;
+    }
+    offset += res;
+
+    if(res == 0 && offset == 0) {
+      /* This is not a PEM file, probably a certificate in DER format. */
+      rc = append_cert_to_array(data, certbuf, buflen, array);
+      free(certbuf);
+      if(rc != CURLE_OK) {
+        CFRelease(array);
+        return rc;
+      }
+      break;
+    }
+    else if(res == 0) {
+      /* No more certificates in the bundle. */
+      free(certbuf);
+      break;
+    }
+
+    rc = append_cert_to_array(data, der, derlen, array);
+    free(der);
+    if(rc != CURLE_OK) {
+      free(certbuf);
+      CFRelease(array);
+      return rc;
+    }
+  }
+
+  SecTrustRef trust;
+  OSStatus ret = SSLCopyPeerTrust(ctx, &trust);
+  if(trust == NULL) {
+    failf(data, "SSL: error getting certificate chain");
+    CFRelease(array);
+    return CURLE_PEER_FAILED_VERIFICATION;
+  }
+  else if(ret != noErr) {
+    CFRelease(array);
+    failf(data, "SSLCopyPeerTrust() returned error %d", ret);
+    return CURLE_PEER_FAILED_VERIFICATION;
+  }
+
+  ret = SecTrustSetAnchorCertificates(trust, array);
+  if(ret != noErr) {
+    CFRelease(array);
+    CFRelease(trust);
+    failf(data, "SecTrustSetAnchorCertificates() returned error %d", ret);
+    return CURLE_PEER_FAILED_VERIFICATION;
+  }
+  ret = SecTrustSetAnchorCertificatesOnly(trust, true);
+  if(ret != noErr) {
+    CFRelease(array);
+    CFRelease(trust);
+    failf(data, "SecTrustSetAnchorCertificatesOnly() returned error %d", ret);
+    return CURLE_PEER_FAILED_VERIFICATION;
+  }
+
+  SecTrustResultType trust_eval = 0;
+  ret = SecTrustEvaluate(trust, &trust_eval);
+  CFRelease(array);
+  CFRelease(trust);
+  if(ret != noErr) {
+    failf(data, "SecTrustEvaluate() returned error %d", ret);
+    return CURLE_PEER_FAILED_VERIFICATION;
+  }
+
+  switch(trust_eval) {
+    case kSecTrustResultUnspecified:
+    case kSecTrustResultProceed:
+      return CURLE_OK;
+
+    case kSecTrustResultRecoverableTrustFailure:
+    case kSecTrustResultDeny:
+    default:
+      failf(data, "SSL: certificate verification failed (result: %d)",
+            trust_eval);
+      return CURLE_PEER_FAILED_VERIFICATION;
+  }
+}
+
+#ifdef DARWIN_SSL_PINNEDPUBKEY
+static CURLcode pkp_pin_peer_pubkey(struct Curl_easy *data,
+                                    SSLContextRef ctx,
+                                    const char *pinnedpubkey)
+{  /* Scratch */
+  size_t pubkeylen, realpubkeylen, spkiHeaderLength = 24;
+  unsigned char *pubkey = NULL, *realpubkey = NULL;
+  const unsigned char *spkiHeader = NULL;
+  CFDataRef publicKeyBits = NULL;
+
+  /* Result is returned to caller */
+  CURLcode result = CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+
+  /* if a path wasn't specified, don't pin */
+  if(!pinnedpubkey)
+    return CURLE_OK;
+
+
+  if(!ctx)
+    return result;
+
+  do {
+    SecTrustRef trust;
+    OSStatus ret = SSLCopyPeerTrust(ctx, &trust);
+    if(ret != noErr || trust == NULL)
+      break;
+
+    SecKeyRef keyRef = SecTrustCopyPublicKey(trust);
+    CFRelease(trust);
+    if(keyRef == NULL)
+      break;
+
+#ifdef DARWIN_SSL_PINNEDPUBKEY_V1
+
+    publicKeyBits = SecKeyCopyExternalRepresentation(keyRef, NULL);
+    CFRelease(keyRef);
+    if(publicKeyBits == NULL)
+      break;
+
+#elif DARWIN_SSL_PINNEDPUBKEY_V2
+
+    OSStatus success = SecItemExport(keyRef, kSecFormatOpenSSL, 0, NULL,
+                                     &publicKeyBits);
+    CFRelease(keyRef);
+    if(success != errSecSuccess || publicKeyBits == NULL)
+      break;
+
+#endif /* DARWIN_SSL_PINNEDPUBKEY_V2 */
+
+    pubkeylen = CFDataGetLength(publicKeyBits);
+    pubkey = (unsigned char *)CFDataGetBytePtr(publicKeyBits);
+
+    switch(pubkeylen) {
+      case 526:
+        /* 4096 bit RSA pubkeylen == 526 */
+        spkiHeader = rsa4096SpkiHeader;
+        break;
+      case 270:
+        /* 2048 bit RSA pubkeylen == 270 */
+        spkiHeader = rsa2048SpkiHeader;
+        break;
+#ifdef DARWIN_SSL_PINNEDPUBKEY_V1
+      case 65:
+        /* ecDSA secp256r1 pubkeylen == 65 */
+        spkiHeader = ecDsaSecp256r1SpkiHeader;
+        spkiHeaderLength = 26;
+        break;
+      case 97:
+        /* ecDSA secp384r1 pubkeylen == 97 */
+        spkiHeader = ecDsaSecp384r1SpkiHeader;
+        spkiHeaderLength = 23;
+        break;
+      default:
+        infof(data, "SSL: unhandled public key length: %d\n", pubkeylen);
+#elif DARWIN_SSL_PINNEDPUBKEY_V2
+      default:
+        /* ecDSA secp256r1 pubkeylen == 91 header already included?
+         * ecDSA secp384r1 header already included too
+         * we assume rest of algorithms do same, so do nothing
+         */
+        result = Curl_pin_peer_pubkey(data, pinnedpubkey, pubkey,
+                                    pubkeylen);
+#endif /* DARWIN_SSL_PINNEDPUBKEY_V2 */
+        continue; /* break from loop */
+    }
+
+    realpubkeylen = pubkeylen + spkiHeaderLength;
+    realpubkey = malloc(realpubkeylen);
+    if(!realpubkey)
+      break;
+
+    memcpy(realpubkey, spkiHeader, spkiHeaderLength);
+    memcpy(realpubkey + spkiHeaderLength, pubkey, pubkeylen);
+
+    result = Curl_pin_peer_pubkey(data, pinnedpubkey, realpubkey,
+                                  realpubkeylen);
+
+  } while(0);
+
+  Curl_safefree(realpubkey);
+  if(publicKeyBits != NULL)
+    CFRelease(publicKeyBits);
+
+  return result;
+}
+#endif /* DARWIN_SSL_PINNEDPUBKEY */
+
+static CURLcode
+darwinssl_connect_step2(struct connectdata *conn, int sockindex)
+{
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  OSStatus err;
+  SSLCipherSuite cipher;
+  SSLProtocol protocol = 0;
+  const char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
+    conn->host.name;
+
+  DEBUGASSERT(ssl_connect_2 == connssl->connecting_state
+              || ssl_connect_2_reading == connssl->connecting_state
+              || ssl_connect_2_writing == connssl->connecting_state);
+
+  /* Here goes nothing: */
+  err = SSLHandshake(BACKEND->ssl_ctx);
+
+  if(err != noErr) {
+    switch(err) {
+      case errSSLWouldBlock:  /* they're not done with us yet */
+        connssl->connecting_state = BACKEND->ssl_direction ?
+            ssl_connect_2_writing : ssl_connect_2_reading;
+        return CURLE_OK;
+
+      /* The below is errSSLServerAuthCompleted; it's not defined in
+        Leopard's headers */
+      case -9841:
+        if(SSL_CONN_CONFIG(CAfile) && SSL_CONN_CONFIG(verifypeer)) {
+          int res = verify_cert(SSL_CONN_CONFIG(CAfile), data,
+                                BACKEND->ssl_ctx);
+          if(res != CURLE_OK)
+            return res;
+        }
+        /* the documentation says we need to call SSLHandshake() again */
+        return darwinssl_connect_step2(conn, sockindex);
+
+      /* Problem with encrypt / decrypt */
+      case errSSLPeerDecodeError:
+        failf(data, "Decode failed");
+        break;
+      case errSSLDecryptionFail:
+      case errSSLPeerDecryptionFail:
+        failf(data, "Decryption failed");
+        break;
+      case errSSLPeerDecryptError:
+        failf(data, "A decryption error occurred");
+        break;
+      case errSSLBadCipherSuite:
+        failf(data, "A bad SSL cipher suite was encountered");
+        break;
+      case errSSLCrypto:
+        failf(data, "An underlying cryptographic error was encountered");
+        break;
+#if CURL_BUILD_MAC_10_11 || CURL_BUILD_IOS_9
+      case errSSLWeakPeerEphemeralDHKey:
+        failf(data, "Indicates a weak ephemeral Diffie-Hellman key");
+        break;
+#endif
+
+      /* Problem with the message record validation */
+      case errSSLBadRecordMac:
+      case errSSLPeerBadRecordMac:
+        failf(data, "A record with a bad message authentication code (MAC) "
+                    "was encountered");
+        break;
+      case errSSLRecordOverflow:
+      case errSSLPeerRecordOverflow:
+        failf(data, "A record overflow occurred");
+        break;
+
+      /* Problem with zlib decompression */
+      case errSSLPeerDecompressFail:
+        failf(data, "Decompression failed");
+        break;
+
+      /* Problem with access */
+      case errSSLPeerAccessDenied:
+        failf(data, "Access was denied");
+        break;
+      case errSSLPeerInsufficientSecurity:
+        failf(data, "There is insufficient security for this operation");
+        break;
+
+      /* These are all certificate problems with the server: */
+      case errSSLXCertChainInvalid:
+        failf(data, "SSL certificate problem: Invalid certificate chain");
+        return CURLE_PEER_FAILED_VERIFICATION;
+      case errSSLUnknownRootCert:
+        failf(data, "SSL certificate problem: Untrusted root certificate");
+        return CURLE_PEER_FAILED_VERIFICATION;
+      case errSSLNoRootCert:
+        failf(data, "SSL certificate problem: No root certificate");
+        return CURLE_PEER_FAILED_VERIFICATION;
+      case errSSLCertNotYetValid:
+        failf(data, "SSL certificate problem: The certificate chain had a "
+                    "certificate that is not yet valid");
+        return CURLE_PEER_FAILED_VERIFICATION;
+      case errSSLCertExpired:
+      case errSSLPeerCertExpired:
+        failf(data, "SSL certificate problem: Certificate chain had an "
+              "expired certificate");
+        return CURLE_PEER_FAILED_VERIFICATION;
+      case errSSLBadCert:
+      case errSSLPeerBadCert:
+        failf(data, "SSL certificate problem: Couldn't understand the server "
+              "certificate format");
+        return CURLE_PEER_FAILED_VERIFICATION;
+      case errSSLPeerUnsupportedCert:
+        failf(data, "SSL certificate problem: An unsupported certificate "
+                    "format was encountered");
+        return CURLE_PEER_FAILED_VERIFICATION;
+      case errSSLPeerCertRevoked:
+        failf(data, "SSL certificate problem: The certificate was revoked");
+        return CURLE_PEER_FAILED_VERIFICATION;
+      case errSSLPeerCertUnknown:
+        failf(data, "SSL certificate problem: The certificate is unknown");
+        return CURLE_PEER_FAILED_VERIFICATION;
+
+      /* These are all certificate problems with the client: */
+      case errSecAuthFailed:
+        failf(data, "SSL authentication failed");
+        break;
+      case errSSLPeerHandshakeFail:
+        failf(data, "SSL peer handshake failed, the server most likely "
+              "requires a client certificate to connect");
+        break;
+      case errSSLPeerUnknownCA:
+        failf(data, "SSL server rejected the client certificate due to "
+              "the certificate being signed by an unknown certificate "
+              "authority");
+        break;
+
+      /* This error is raised if the server's cert didn't match the server's
+         host name: */
+      case errSSLHostNameMismatch:
+        failf(data, "SSL certificate peer verification failed, the "
+              "certificate did not match \"%s\"\n", conn->host.dispname);
+        return CURLE_PEER_FAILED_VERIFICATION;
+
+      /* Problem with SSL / TLS negotiation */
+      case errSSLNegotiation:
+        failf(data, "Could not negotiate an SSL cipher suite with the server");
+        break;
+      case errSSLBadConfiguration:
+        failf(data, "A configuration error occurred");
+        break;
+      case errSSLProtocol:
+        failf(data, "SSL protocol error");
+        break;
+      case errSSLPeerProtocolVersion:
+        failf(data, "A bad protocol version was encountered");
+        break;
+      case errSSLPeerNoRenegotiation:
+        failf(data, "No renegotiation is allowed");
+        break;
+
+      /* Generic handshake errors: */
+      case errSSLConnectionRefused:
+        failf(data, "Server dropped the connection during the SSL handshake");
+        break;
+      case errSSLClosedAbort:
+        failf(data, "Server aborted the SSL handshake");
+        break;
+      case errSSLClosedGraceful:
+        failf(data, "The connection closed gracefully");
+        break;
+      case errSSLClosedNoNotify:
+        failf(data, "The server closed the session with no notification");
+        break;
+      /* Sometimes paramErr happens with buggy ciphers: */
+      case paramErr:
+      case errSSLInternal:
+      case errSSLPeerInternalError:
+        failf(data, "Internal SSL engine error encountered during the "
+              "SSL handshake");
+        break;
+      case errSSLFatalAlert:
+        failf(data, "Fatal SSL engine error encountered during the SSL "
+              "handshake");
+        break;
+      /* Unclassified error */
+      case errSSLBufferOverflow:
+        failf(data, "An insufficient buffer was provided");
+        break;
+      case errSSLIllegalParam:
+        failf(data, "An illegal parameter was encountered");
+        break;
+      case errSSLModuleAttach:
+        failf(data, "Module attach failure");
+        break;
+      case errSSLSessionNotFound:
+        failf(data, "An attempt to restore an unknown session failed");
+        break;
+      case errSSLPeerExportRestriction:
+        failf(data, "An export restriction occurred");
+        break;
+      case errSSLPeerUserCancelled:
+        failf(data, "The user canceled the operation");
+        break;
+      case errSSLPeerUnexpectedMsg:
+        failf(data, "Peer rejected unexpected message");
+        break;
+#if CURL_BUILD_MAC_10_11 || CURL_BUILD_IOS_9
+      /* Treaing non-fatal error as fatal like before */
+      case errSSLClientHelloReceived:
+        failf(data, "A non-fatal result for providing a server name "
+                    "indication");
+        break;
+#endif
+
+      /* Error codes defined in the enum but should never be returned.
+         We list them here just in case. */
+#if CURL_BUILD_MAC_10_6
+      /* Only returned when kSSLSessionOptionBreakOnCertRequested is set */
+      case errSSLClientCertRequested:
+        failf(data, "The server has requested a client certificate");
+        break;
+#endif
+#if CURL_BUILD_MAC_10_9
+      /* Alias for errSSLLast, end of error range */
+      case errSSLUnexpectedRecord:
+        failf(data, "Unexpected (skipped) record in DTLS");
+        break;
+#endif
+      default:
+        /* May also return codes listed in Security Framework Result Codes */
+        failf(data, "Unknown SSL protocol error in connection to %s:%d",
+              hostname, err);
+        break;
+    }
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+  else {
+    /* we have been connected fine, we're not waiting for anything else. */
+    connssl->connecting_state = ssl_connect_3;
+
+#ifdef DARWIN_SSL_PINNEDPUBKEY
+    if(data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG]) {
+      CURLcode result = pkp_pin_peer_pubkey(data, BACKEND->ssl_ctx,
+                            data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG]);
+      if(result) {
+        failf(data, "SSL: public key does not match pinned public key!");
+        return result;
+      }
+    }
+#endif /* DARWIN_SSL_PINNEDPUBKEY */
+
+    /* Informational message */
+    (void)SSLGetNegotiatedCipher(BACKEND->ssl_ctx, &cipher);
+    (void)SSLGetNegotiatedProtocolVersion(BACKEND->ssl_ctx, &protocol);
+    switch(protocol) {
+      case kSSLProtocol2:
+        infof(data, "SSL 2.0 connection using %s\n",
+              SSLCipherNameForNumber(cipher));
+        break;
+      case kSSLProtocol3:
+        infof(data, "SSL 3.0 connection using %s\n",
+              SSLCipherNameForNumber(cipher));
+        break;
+      case kTLSProtocol1:
+        infof(data, "TLS 1.0 connection using %s\n",
+              TLSCipherNameForNumber(cipher));
+        break;
+#if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
+      case kTLSProtocol11:
+        infof(data, "TLS 1.1 connection using %s\n",
+              TLSCipherNameForNumber(cipher));
+        break;
+      case kTLSProtocol12:
+        infof(data, "TLS 1.2 connection using %s\n",
+              TLSCipherNameForNumber(cipher));
+        break;
+#endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
+#if CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11
+      case kTLSProtocol13:
+        infof(data, "TLS 1.3 connection using %s\n",
+              TLSCipherNameForNumber(cipher));
+        break;
+#endif /* CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11 */
+      default:
+        infof(data, "Unknown protocol connection\n");
+        break;
+    }
+
+#if(CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) && HAVE_BUILTIN_AVAILABLE == 1
+    if(conn->bits.tls_enable_alpn) {
+      if(__builtin_available(macOS 10.13.4, iOS 11, *)) {
+        CFArrayRef alpnArr = NULL;
+        CFStringRef chosenProtocol = NULL;
+        err = SSLCopyALPNProtocols(BACKEND->ssl_ctx, &alpnArr);
+
+        if(err == noErr && alpnArr && CFArrayGetCount(alpnArr) >= 1)
+          chosenProtocol = CFArrayGetValueAtIndex(alpnArr, 0);
+
+#ifdef USE_NGHTTP2
+        if(chosenProtocol &&
+           !CFStringCompare(chosenProtocol, CFSTR(NGHTTP2_PROTO_VERSION_ID),
+                            0)) {
+          conn->negnpn = CURL_HTTP_VERSION_2;
+        }
+        else
+#endif
+        if(chosenProtocol &&
+           !CFStringCompare(chosenProtocol, CFSTR(ALPN_HTTP_1_1), 0)) {
+          conn->negnpn = CURL_HTTP_VERSION_1_1;
+        }
+        else
+          infof(data, "ALPN, server did not agree to a protocol\n");
+
+        /* chosenProtocol is a reference to the string within alpnArr
+           and doesn't need to be freed separately */
+        if(alpnArr)
+          CFRelease(alpnArr);
+      }
+    }
+#endif
+
+    return CURLE_OK;
+  }
+}
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+/* This should be called during step3 of the connection at the earliest */
+static void
+show_verbose_server_cert(struct connectdata *conn,
+                         int sockindex)
+{
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  CFArrayRef server_certs = NULL;
+  SecCertificateRef server_cert;
+  OSStatus err;
+  CFIndex i, count;
+  SecTrustRef trust = NULL;
+
+  if(!BACKEND->ssl_ctx)
+    return;
+
+#if CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS
+#if CURL_BUILD_IOS
+#pragma unused(server_certs)
+  err = SSLCopyPeerTrust(BACKEND->ssl_ctx, &trust);
+  /* For some reason, SSLCopyPeerTrust() can return noErr and yet return
+     a null trust, so be on guard for that: */
+  if(err == noErr && trust) {
+    count = SecTrustGetCertificateCount(trust);
+    for(i = 0L ; i < count ; i++) {
+      CURLcode result;
+      char *certp;
+      server_cert = SecTrustGetCertificateAtIndex(trust, i);
+      result = CopyCertSubject(data, server_cert, &certp);
+      if(!result) {
+        infof(data, "Server certificate: %s\n", certp);
+        free(certp);
+      }
+    }
+    CFRelease(trust);
+  }
+#else
+  /* SSLCopyPeerCertificates() is deprecated as of Mountain Lion.
+     The function SecTrustGetCertificateAtIndex() is officially present
+     in Lion, but it is unfortunately also present in Snow Leopard as
+     private API and doesn't work as expected. So we have to look for
+     a different symbol to make sure this code is only executed under
+     Lion or later. */
+  if(SecTrustEvaluateAsync != NULL) {
+#pragma unused(server_certs)
+    err = SSLCopyPeerTrust(BACKEND->ssl_ctx, &trust);
+    /* For some reason, SSLCopyPeerTrust() can return noErr and yet return
+       a null trust, so be on guard for that: */
+    if(err == noErr && trust) {
+      count = SecTrustGetCertificateCount(trust);
+      for(i = 0L ; i < count ; i++) {
+        char *certp;
+        CURLcode result;
+        server_cert = SecTrustGetCertificateAtIndex(trust, i);
+        result = CopyCertSubject(data, server_cert, &certp);
+        if(!result) {
+          infof(data, "Server certificate: %s\n", certp);
+          free(certp);
+        }
+      }
+      CFRelease(trust);
+    }
+  }
+  else {
+#if CURL_SUPPORT_MAC_10_8
+    err = SSLCopyPeerCertificates(BACKEND->ssl_ctx, &server_certs);
+    /* Just in case SSLCopyPeerCertificates() returns null too... */
+    if(err == noErr && server_certs) {
+      count = CFArrayGetCount(server_certs);
+      for(i = 0L ; i < count ; i++) {
+        char *certp;
+        CURLcode result;
+        server_cert = (SecCertificateRef)CFArrayGetValueAtIndex(server_certs,
+                                                                i);
+        result = CopyCertSubject(data, server_cert, &certp);
+        if(!result) {
+          infof(data, "Server certificate: %s\n", certp);
+          free(certp);
+        }
+      }
+      CFRelease(server_certs);
+    }
+#endif /* CURL_SUPPORT_MAC_10_8 */
+  }
+#endif /* CURL_BUILD_IOS */
+#else
+#pragma unused(trust)
+  err = SSLCopyPeerCertificates(BACKEND->ssl_ctx, &server_certs);
+  if(err == noErr) {
+    count = CFArrayGetCount(server_certs);
+    for(i = 0L ; i < count ; i++) {
+      CURLcode result;
+      char *certp;
+      server_cert = (SecCertificateRef)CFArrayGetValueAtIndex(server_certs, i);
+      result = CopyCertSubject(data, server_cert, &certp);
+      if(!result) {
+        infof(data, "Server certificate: %s\n", certp);
+        free(certp);
+      }
+    }
+    CFRelease(server_certs);
+  }
+#endif /* CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS */
+}
+#endif /* !CURL_DISABLE_VERBOSE_STRINGS */
+
+static CURLcode
+darwinssl_connect_step3(struct connectdata *conn,
+                        int sockindex)
+{
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+
+  /* There is no step 3!
+   * Well, okay, if verbose mode is on, let's print the details of the
+   * server certificates. */
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+  if(data->set.verbose)
+    show_verbose_server_cert(conn, sockindex);
+#endif
+
+  connssl->connecting_state = ssl_connect_done;
+  return CURLE_OK;
+}
+
+static Curl_recv darwinssl_recv;
+static Curl_send darwinssl_send;
+
+static CURLcode
+darwinssl_connect_common(struct connectdata *conn,
+                         int sockindex,
+                         bool nonblocking,
+                         bool *done)
+{
+  CURLcode result;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  curl_socket_t sockfd = conn->sock[sockindex];
+  long timeout_ms;
+  int what;
+
+  /* check if the connection has already been established */
+  if(ssl_connection_complete == connssl->state) {
+    *done = TRUE;
+    return CURLE_OK;
+  }
+
+  if(ssl_connect_1 == connssl->connecting_state) {
+    /* Find out how much more time we're allowed */
+    timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+    if(timeout_ms < 0) {
+      /* no need to continue if time already is up */
+      failf(data, "SSL connection timeout");
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+
+    result = darwinssl_connect_step1(conn, sockindex);
+    if(result)
+      return result;
+  }
+
+  while(ssl_connect_2 == connssl->connecting_state ||
+        ssl_connect_2_reading == connssl->connecting_state ||
+        ssl_connect_2_writing == connssl->connecting_state) {
+
+    /* check allowed time left */
+    timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+    if(timeout_ms < 0) {
+      /* no need to continue if time already is up */
+      failf(data, "SSL connection timeout");
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+
+    /* if ssl is expecting something, check if it's available. */
+    if(connssl->connecting_state == ssl_connect_2_reading ||
+       connssl->connecting_state == ssl_connect_2_writing) {
+
+      curl_socket_t writefd = ssl_connect_2_writing ==
+      connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
+      curl_socket_t readfd = ssl_connect_2_reading ==
+      connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
+
+      what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
+                               nonblocking?0:timeout_ms);
+      if(what < 0) {
+        /* fatal error */
+        failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      else if(0 == what) {
+        if(nonblocking) {
+          *done = FALSE;
+          return CURLE_OK;
+        }
+        else {
+          /* timeout */
+          failf(data, "SSL connection timeout");
+          return CURLE_OPERATION_TIMEDOUT;
+        }
+      }
+      /* socket is readable or writable */
+    }
+
+    /* Run transaction, and return to the caller if it failed or if this
+     * connection is done nonblocking and this loop would execute again. This
+     * permits the owner of a multi handle to abort a connection attempt
+     * before step2 has completed while ensuring that a client using select()
+     * or epoll() will always have a valid fdset to wait on.
+     */
+    result = darwinssl_connect_step2(conn, sockindex);
+    if(result || (nonblocking &&
+                  (ssl_connect_2 == connssl->connecting_state ||
+                   ssl_connect_2_reading == connssl->connecting_state ||
+                   ssl_connect_2_writing == connssl->connecting_state)))
+      return result;
+
+  } /* repeat step2 until all transactions are done. */
+
+
+  if(ssl_connect_3 == connssl->connecting_state) {
+    result = darwinssl_connect_step3(conn, sockindex);
+    if(result)
+      return result;
+  }
+
+  if(ssl_connect_done == connssl->connecting_state) {
+    connssl->state = ssl_connection_complete;
+    conn->recv[sockindex] = darwinssl_recv;
+    conn->send[sockindex] = darwinssl_send;
+    *done = TRUE;
+  }
+  else
+    *done = FALSE;
+
+  /* Reset our connect state machine */
+  connssl->connecting_state = ssl_connect_1;
+
+  return CURLE_OK;
+}
+
+static CURLcode Curl_darwinssl_connect_nonblocking(struct connectdata *conn,
+                                                   int sockindex, bool *done)
+{
+  return darwinssl_connect_common(conn, sockindex, TRUE, done);
+}
+
+static CURLcode Curl_darwinssl_connect(struct connectdata *conn, int sockindex)
+{
+  CURLcode result;
+  bool done = FALSE;
+
+  result = darwinssl_connect_common(conn, sockindex, FALSE, &done);
+
+  if(result)
+    return result;
+
+  DEBUGASSERT(done);
+
+  return CURLE_OK;
+}
+
+static void Curl_darwinssl_close(struct connectdata *conn, int sockindex)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+
+  if(BACKEND->ssl_ctx) {
+    (void)SSLClose(BACKEND->ssl_ctx);
+#if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
+    if(SSLCreateContext != NULL)
+      CFRelease(BACKEND->ssl_ctx);
+#if CURL_SUPPORT_MAC_10_8
+    else
+      (void)SSLDisposeContext(BACKEND->ssl_ctx);
+#endif  /* CURL_SUPPORT_MAC_10_8 */
+#else
+    (void)SSLDisposeContext(BACKEND->ssl_ctx);
+#endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
+    BACKEND->ssl_ctx = NULL;
+  }
+  BACKEND->ssl_sockfd = 0;
+}
+
+static int Curl_darwinssl_shutdown(struct connectdata *conn, int sockindex)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  struct Curl_easy *data = conn->data;
+  ssize_t nread;
+  int what;
+  int rc;
+  char buf[120];
+
+  if(!BACKEND->ssl_ctx)
+    return 0;
+
+  if(data->set.ftp_ccc != CURLFTPSSL_CCC_ACTIVE)
+    return 0;
+
+  Curl_darwinssl_close(conn, sockindex);
+
+  rc = 0;
+
+  what = SOCKET_READABLE(conn->sock[sockindex], SSL_SHUTDOWN_TIMEOUT);
+
+  for(;;) {
+    if(what < 0) {
+      /* anything that gets here is fatally bad */
+      failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
+      rc = -1;
+      break;
+    }
+
+    if(!what) {                                /* timeout */
+      failf(data, "SSL shutdown timeout");
+      break;
+    }
+
+    /* Something to read, let's do it and hope that it is the close
+     notify alert from the server. No way to SSL_Read now, so use read(). */
+
+    nread = read(conn->sock[sockindex], buf, sizeof(buf));
+
+    if(nread < 0) {
+      failf(data, "read: %s", strerror(errno));
+      rc = -1;
+    }
+
+    if(nread <= 0)
+      break;
+
+    what = SOCKET_READABLE(conn->sock[sockindex], 0);
+  }
+
+  return rc;
+}
+
+static void Curl_darwinssl_session_free(void *ptr)
+{
+  /* ST, as of iOS 5 and Mountain Lion, has no public method of deleting a
+     cached session ID inside the Security framework. There is a private
+     function that does this, but I don't want to have to explain to you why I
+     got your application rejected from the App Store due to the use of a
+     private API, so the best we can do is free up our own char array that we
+     created way back in darwinssl_connect_step1... */
+  Curl_safefree(ptr);
+}
+
+static size_t Curl_darwinssl_version(char *buffer, size_t size)
+{
+  return msnprintf(buffer, size, "SecureTransport");
+}
+
+/*
+ * This function uses SSLGetSessionState to determine connection status.
+ *
+ * Return codes:
+ *     1 means the connection is still in place
+ *     0 means the connection has been closed
+ *    -1 means the connection status is unknown
+ */
+static int Curl_darwinssl_check_cxn(struct connectdata *conn)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[FIRSTSOCKET];
+  OSStatus err;
+  SSLSessionState state;
+
+  if(BACKEND->ssl_ctx) {
+    err = SSLGetSessionState(BACKEND->ssl_ctx, &state);
+    if(err == noErr)
+      return state == kSSLConnected || state == kSSLHandshake;
+    return -1;
+  }
+  return 0;
+}
+
+static bool Curl_darwinssl_data_pending(const struct connectdata *conn,
+                                        int connindex)
+{
+  const struct ssl_connect_data *connssl = &conn->ssl[connindex];
+  OSStatus err;
+  size_t buffer;
+
+  if(BACKEND->ssl_ctx) {  /* SSL is in use */
+    err = SSLGetBufferedReadSize(BACKEND->ssl_ctx, &buffer);
+    if(err == noErr)
+      return buffer > 0UL;
+    return false;
+  }
+  else
+    return false;
+}
+
+static CURLcode Curl_darwinssl_random(struct Curl_easy *data UNUSED_PARAM,
+                                      unsigned char *entropy, size_t length)
+{
+  /* arc4random_buf() isn't available on cats older than Lion, so let's
+     do this manually for the benefit of the older cats. */
+  size_t i;
+  u_int32_t random_number = 0;
+
+  (void)data;
+
+  for(i = 0 ; i < length ; i++) {
+    if(i % sizeof(u_int32_t) == 0)
+      random_number = arc4random();
+    entropy[i] = random_number & 0xFF;
+    random_number >>= 8;
+  }
+  i = random_number = 0;
+  return CURLE_OK;
+}
+
+static CURLcode Curl_darwinssl_md5sum(unsigned char *tmp, /* input */
+                                      size_t tmplen,
+                                      unsigned char *md5sum, /* output */
+                                      size_t md5len)
+{
+  (void)md5len;
+  (void)CC_MD5(tmp, (CC_LONG)tmplen, md5sum);
+  return CURLE_OK;
+}
+
+static CURLcode Curl_darwinssl_sha256sum(const unsigned char *tmp, /* input */
+                                     size_t tmplen,
+                                     unsigned char *sha256sum, /* output */
+                                     size_t sha256len)
+{
+  assert(sha256len >= CURL_SHA256_DIGEST_LENGTH);
+  (void)CC_SHA256(tmp, (CC_LONG)tmplen, sha256sum);
+  return CURLE_OK;
+}
+
+static bool Curl_darwinssl_false_start(void)
+{
+#if CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7
+  if(SSLSetSessionOption != NULL)
+    return TRUE;
+#endif
+  return FALSE;
+}
+
+static ssize_t darwinssl_send(struct connectdata *conn,
+                              int sockindex,
+                              const void *mem,
+                              size_t len,
+                              CURLcode *curlcode)
+{
+  /*struct Curl_easy *data = conn->data;*/
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  size_t processed = 0UL;
+  OSStatus err;
+
+  /* The SSLWrite() function works a little differently than expected. The
+     fourth argument (processed) is currently documented in Apple's
+     documentation as: "On return, the length, in bytes, of the data actually
+     written."
+
+     Now, one could interpret that as "written to the socket," but actually,
+     it returns the amount of data that was written to a buffer internal to
+     the SSLContextRef instead. So it's possible for SSLWrite() to return
+     errSSLWouldBlock and a number of bytes "written" because those bytes were
+     encrypted and written to a buffer, not to the socket.
+
+     So if this happens, then we need to keep calling SSLWrite() over and
+     over again with no new data until it quits returning errSSLWouldBlock. */
+
+  /* Do we have buffered data to write from the last time we were called? */
+  if(BACKEND->ssl_write_buffered_length) {
+    /* Write the buffered data: */
+    err = SSLWrite(BACKEND->ssl_ctx, NULL, 0UL, &processed);
+    switch(err) {
+      case noErr:
+        /* processed is always going to be 0 because we didn't write to
+           the buffer, so return how much was written to the socket */
+        processed = BACKEND->ssl_write_buffered_length;
+        BACKEND->ssl_write_buffered_length = 0UL;
+        break;
+      case errSSLWouldBlock: /* argh, try again */
+        *curlcode = CURLE_AGAIN;
+        return -1L;
+      default:
+        failf(conn->data, "SSLWrite() returned error %d", err);
+        *curlcode = CURLE_SEND_ERROR;
+        return -1L;
+    }
+  }
+  else {
+    /* We've got new data to write: */
+    err = SSLWrite(BACKEND->ssl_ctx, mem, len, &processed);
+    if(err != noErr) {
+      switch(err) {
+        case errSSLWouldBlock:
+          /* Data was buffered but not sent, we have to tell the caller
+             to try sending again, and remember how much was buffered */
+          BACKEND->ssl_write_buffered_length = len;
+          *curlcode = CURLE_AGAIN;
+          return -1L;
+        default:
+          failf(conn->data, "SSLWrite() returned error %d", err);
+          *curlcode = CURLE_SEND_ERROR;
+          return -1L;
+      }
+    }
+  }
+  return (ssize_t)processed;
+}
+
+static ssize_t darwinssl_recv(struct connectdata *conn,
+                              int num,
+                              char *buf,
+                              size_t buffersize,
+                              CURLcode *curlcode)
+{
+  /*struct Curl_easy *data = conn->data;*/
+  struct ssl_connect_data *connssl = &conn->ssl[num];
+  size_t processed = 0UL;
+  OSStatus err = SSLRead(BACKEND->ssl_ctx, buf, buffersize, &processed);
+
+  if(err != noErr) {
+    switch(err) {
+      case errSSLWouldBlock:  /* return how much we read (if anything) */
+        if(processed)
+          return (ssize_t)processed;
+        *curlcode = CURLE_AGAIN;
+        return -1L;
+        break;
+
+      /* errSSLClosedGraceful - server gracefully shut down the SSL session
+         errSSLClosedNoNotify - server hung up on us instead of sending a
+           closure alert notice, read() is returning 0
+         Either way, inform the caller that the server disconnected. */
+      case errSSLClosedGraceful:
+      case errSSLClosedNoNotify:
+        *curlcode = CURLE_OK;
+        return -1L;
+        break;
+
+      default:
+        failf(conn->data, "SSLRead() return error %d", err);
+        *curlcode = CURLE_RECV_ERROR;
+        return -1L;
+        break;
+    }
+  }
+  return (ssize_t)processed;
+}
+
+static void *Curl_darwinssl_get_internals(struct ssl_connect_data *connssl,
+                                          CURLINFO info UNUSED_PARAM)
+{
+  (void)info;
+  return BACKEND->ssl_ctx;
+}
+
+const struct Curl_ssl Curl_ssl_darwinssl = {
+  { CURLSSLBACKEND_DARWINSSL, "darwinssl" }, /* info */
+
+#ifdef DARWIN_SSL_PINNEDPUBKEY
+  SSLSUPP_PINNEDPUBKEY,
+#else
+  0,
+#endif /* DARWIN_SSL_PINNEDPUBKEY */
+
+  sizeof(struct ssl_backend_data),
+
+  Curl_none_init,                     /* init */
+  Curl_none_cleanup,                  /* cleanup */
+  Curl_darwinssl_version,             /* version */
+  Curl_darwinssl_check_cxn,           /* check_cxn */
+  Curl_darwinssl_shutdown,            /* shutdown */
+  Curl_darwinssl_data_pending,        /* data_pending */
+  Curl_darwinssl_random,              /* random */
+  Curl_none_cert_status_request,      /* cert_status_request */
+  Curl_darwinssl_connect,             /* connect */
+  Curl_darwinssl_connect_nonblocking, /* connect_nonblocking */
+  Curl_darwinssl_get_internals,       /* get_internals */
+  Curl_darwinssl_close,               /* close_one */
+  Curl_none_close_all,                /* close_all */
+  Curl_darwinssl_session_free,        /* session_free */
+  Curl_none_set_engine,               /* set_engine */
+  Curl_none_set_engine_default,       /* set_engine_default */
+  Curl_none_engines_list,             /* engines_list */
+  Curl_darwinssl_false_start,         /* false_start */
+  Curl_darwinssl_md5sum,              /* md5sum */
+  Curl_darwinssl_sha256sum            /* sha256sum */
+};
+
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+
+#endif /* USE_DARWINSSL */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/darwinssl.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/darwinssl.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/darwinssl.h	(revision 85671)
@@ -0,0 +1,32 @@
+#ifndef HEADER_CURL_DARWINSSL_H
+#define HEADER_CURL_DARWINSSL_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2012 - 2014, Nick Zitzmann, <nickzman@gmail.com>.
+ * Copyright (C) 2012 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#ifdef USE_DARWINSSL
+
+extern const struct Curl_ssl Curl_ssl_darwinssl;
+
+#endif /* USE_DARWINSSL */
+#endif /* HEADER_CURL_DARWINSSL_H */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/gskit.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/gskit.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/gskit.c	(revision 85671)
@@ -0,0 +1,1381 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef USE_GSKIT
+
+#include <gskssl.h>
+#include <qsoasync.h>
+
+/* Some symbols are undefined/unsupported on OS400 versions < V7R1. */
+#ifndef GSK_SSL_EXTN_SERVERNAME_REQUEST
+#define GSK_SSL_EXTN_SERVERNAME_REQUEST         230
+#endif
+
+#ifndef GSK_TLSV10_CIPHER_SPECS
+#define GSK_TLSV10_CIPHER_SPECS                 236
+#endif
+
+#ifndef GSK_TLSV11_CIPHER_SPECS
+#define GSK_TLSV11_CIPHER_SPECS                 237
+#endif
+
+#ifndef GSK_TLSV12_CIPHER_SPECS
+#define GSK_TLSV12_CIPHER_SPECS                 238
+#endif
+
+#ifndef GSK_PROTOCOL_TLSV11
+#define GSK_PROTOCOL_TLSV11                     437
+#endif
+
+#ifndef GSK_PROTOCOL_TLSV12
+#define GSK_PROTOCOL_TLSV12                     438
+#endif
+
+#ifndef GSK_FALSE
+#define GSK_FALSE                               0
+#endif
+
+#ifndef GSK_TRUE
+#define GSK_TRUE                                1
+#endif
+
+
+#include <limits.h>
+
+#include <curl/curl.h>
+#include "urldata.h"
+#include "sendf.h"
+#include "gskit.h"
+#include "vtls.h"
+#include "connect.h" /* for the connect timeout */
+#include "select.h"
+#include "strcase.h"
+#include "x509asn1.h"
+#include "curl_printf.h"
+
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+
+/* Directions. */
+#define SOS_READ        0x01
+#define SOS_WRITE       0x02
+
+/* SSL version flags. */
+#define CURL_GSKPROTO_SSLV2     0
+#define CURL_GSKPROTO_SSLV2_MASK        (1 << CURL_GSKPROTO_SSLV2)
+#define CURL_GSKPROTO_SSLV3     1
+#define CURL_GSKPROTO_SSLV3_MASK        (1 << CURL_GSKPROTO_SSLV3)
+#define CURL_GSKPROTO_TLSV10    2
+#define CURL_GSKPROTO_TLSV10_MASK        (1 << CURL_GSKPROTO_TLSV10)
+#define CURL_GSKPROTO_TLSV11    3
+#define CURL_GSKPROTO_TLSV11_MASK        (1 << CURL_GSKPROTO_TLSV11)
+#define CURL_GSKPROTO_TLSV12    4
+#define CURL_GSKPROTO_TLSV12_MASK        (1 << CURL_GSKPROTO_TLSV12)
+#define CURL_GSKPROTO_LAST      5
+
+struct ssl_backend_data {
+  gsk_handle handle;
+  int iocport;
+  int localfd;
+  int remotefd;
+};
+
+#define BACKEND connssl->backend
+
+/* Supported ciphers. */
+typedef struct {
+  const char *name;            /* Cipher name. */
+  const char *gsktoken;        /* Corresponding token for GSKit String. */
+  unsigned int versions;       /* SSL version flags. */
+}  gskit_cipher;
+
+static const gskit_cipher  ciphertable[] = {
+  { "null-md5",         "01",
+      CURL_GSKPROTO_SSLV3_MASK | CURL_GSKPROTO_TLSV10_MASK |
+      CURL_GSKPROTO_TLSV11_MASK | CURL_GSKPROTO_TLSV12_MASK },
+  { "null-sha",         "02",
+      CURL_GSKPROTO_SSLV3_MASK | CURL_GSKPROTO_TLSV10_MASK |
+      CURL_GSKPROTO_TLSV11_MASK | CURL_GSKPROTO_TLSV12_MASK },
+  { "exp-rc4-md5",      "03",
+      CURL_GSKPROTO_SSLV3_MASK | CURL_GSKPROTO_TLSV10_MASK },
+  { "rc4-md5",          "04",
+      CURL_GSKPROTO_SSLV3_MASK | CURL_GSKPROTO_TLSV10_MASK |
+      CURL_GSKPROTO_TLSV11_MASK | CURL_GSKPROTO_TLSV12_MASK },
+  { "rc4-sha",          "05",
+      CURL_GSKPROTO_SSLV3_MASK | CURL_GSKPROTO_TLSV10_MASK |
+      CURL_GSKPROTO_TLSV11_MASK | CURL_GSKPROTO_TLSV12_MASK },
+  { "exp-rc2-cbc-md5",  "06",
+      CURL_GSKPROTO_SSLV3_MASK | CURL_GSKPROTO_TLSV10_MASK },
+  { "exp-des-cbc-sha",  "09",
+      CURL_GSKPROTO_SSLV3_MASK | CURL_GSKPROTO_TLSV10_MASK |
+      CURL_GSKPROTO_TLSV11_MASK },
+  { "des-cbc3-sha",     "0A",
+      CURL_GSKPROTO_SSLV3_MASK | CURL_GSKPROTO_TLSV10_MASK |
+      CURL_GSKPROTO_TLSV11_MASK | CURL_GSKPROTO_TLSV12_MASK },
+  { "aes128-sha",       "2F",
+      CURL_GSKPROTO_TLSV10_MASK | CURL_GSKPROTO_TLSV11_MASK |
+      CURL_GSKPROTO_TLSV12_MASK },
+  { "aes256-sha",       "35",
+      CURL_GSKPROTO_TLSV10_MASK | CURL_GSKPROTO_TLSV11_MASK |
+      CURL_GSKPROTO_TLSV12_MASK },
+  { "null-sha256",      "3B",   CURL_GSKPROTO_TLSV12_MASK },
+  { "aes128-sha256",    "3C",   CURL_GSKPROTO_TLSV12_MASK },
+  { "aes256-sha256",    "3D",   CURL_GSKPROTO_TLSV12_MASK },
+  { "aes128-gcm-sha256",
+                        "9C",   CURL_GSKPROTO_TLSV12_MASK },
+  { "aes256-gcm-sha384",
+                        "9D",   CURL_GSKPROTO_TLSV12_MASK },
+  { "rc4-md5",          "1",    CURL_GSKPROTO_SSLV2_MASK },
+  { "exp-rc4-md5",      "2",    CURL_GSKPROTO_SSLV2_MASK },
+  { "rc2-md5",          "3",    CURL_GSKPROTO_SSLV2_MASK },
+  { "exp-rc2-md5",      "4",    CURL_GSKPROTO_SSLV2_MASK },
+  { "des-cbc-md5",      "6",    CURL_GSKPROTO_SSLV2_MASK },
+  { "des-cbc3-md5",     "7",    CURL_GSKPROTO_SSLV2_MASK },
+  { (const char *) NULL, (const char *) NULL, 0       }
+};
+
+
+static bool is_separator(char c)
+{
+  /* Return whether character is a cipher list separator. */
+  switch(c) {
+  case ' ':
+  case '\t':
+  case ':':
+  case ',':
+  case ';':
+    return true;
+  }
+  return false;
+}
+
+
+static CURLcode gskit_status(struct Curl_easy *data, int rc,
+                             const char *procname, CURLcode defcode)
+{
+  /* Process GSKit status and map it to a CURLcode. */
+  switch(rc) {
+  case GSK_OK:
+  case GSK_OS400_ASYNCHRONOUS_SOC_INIT:
+    return CURLE_OK;
+  case GSK_KEYRING_OPEN_ERROR:
+  case GSK_OS400_ERROR_NO_ACCESS:
+    return CURLE_SSL_CACERT_BADFILE;
+  case GSK_INSUFFICIENT_STORAGE:
+    return CURLE_OUT_OF_MEMORY;
+  case GSK_ERROR_BAD_V2_CIPHER:
+  case GSK_ERROR_BAD_V3_CIPHER:
+  case GSK_ERROR_NO_CIPHERS:
+    return CURLE_SSL_CIPHER;
+  case GSK_OS400_ERROR_NOT_TRUSTED_ROOT:
+  case GSK_ERROR_CERT_VALIDATION:
+    return CURLE_PEER_FAILED_VERIFICATION;
+  case GSK_OS400_ERROR_TIMED_OUT:
+    return CURLE_OPERATION_TIMEDOUT;
+  case GSK_WOULD_BLOCK:
+    return CURLE_AGAIN;
+  case GSK_OS400_ERROR_NOT_REGISTERED:
+    break;
+  case GSK_ERROR_IO:
+    switch(errno) {
+    case ENOMEM:
+      return CURLE_OUT_OF_MEMORY;
+    default:
+      failf(data, "%s I/O error: %s", procname, strerror(errno));
+      break;
+    }
+    break;
+  default:
+    failf(data, "%s: %s", procname, gsk_strerror(rc));
+    break;
+  }
+  return defcode;
+}
+
+
+static CURLcode set_enum(struct Curl_easy *data, gsk_handle h,
+                GSK_ENUM_ID id, GSK_ENUM_VALUE value, bool unsupported_ok)
+{
+  int rc = gsk_attribute_set_enum(h, id, value);
+
+  switch(rc) {
+  case GSK_OK:
+    return CURLE_OK;
+  case GSK_ERROR_IO:
+    failf(data, "gsk_attribute_set_enum() I/O error: %s", strerror(errno));
+    break;
+  case GSK_ATTRIBUTE_INVALID_ID:
+    if(unsupported_ok)
+      return CURLE_UNSUPPORTED_PROTOCOL;
+  default:
+    failf(data, "gsk_attribute_set_enum(): %s", gsk_strerror(rc));
+    break;
+  }
+  return CURLE_SSL_CONNECT_ERROR;
+}
+
+
+static CURLcode set_buffer(struct Curl_easy *data, gsk_handle h,
+                        GSK_BUF_ID id, const char *buffer, bool unsupported_ok)
+{
+  int rc = gsk_attribute_set_buffer(h, id, buffer, 0);
+
+  switch(rc) {
+  case GSK_OK:
+    return CURLE_OK;
+  case GSK_ERROR_IO:
+    failf(data, "gsk_attribute_set_buffer() I/O error: %s", strerror(errno));
+    break;
+  case GSK_ATTRIBUTE_INVALID_ID:
+    if(unsupported_ok)
+      return CURLE_UNSUPPORTED_PROTOCOL;
+  default:
+    failf(data, "gsk_attribute_set_buffer(): %s", gsk_strerror(rc));
+    break;
+  }
+  return CURLE_SSL_CONNECT_ERROR;
+}
+
+
+static CURLcode set_numeric(struct Curl_easy *data,
+                            gsk_handle h, GSK_NUM_ID id, int value)
+{
+  int rc = gsk_attribute_set_numeric_value(h, id, value);
+
+  switch(rc) {
+  case GSK_OK:
+    return CURLE_OK;
+  case GSK_ERROR_IO:
+    failf(data, "gsk_attribute_set_numeric_value() I/O error: %s",
+          strerror(errno));
+    break;
+  default:
+    failf(data, "gsk_attribute_set_numeric_value(): %s", gsk_strerror(rc));
+    break;
+  }
+  return CURLE_SSL_CONNECT_ERROR;
+}
+
+
+static CURLcode set_callback(struct Curl_easy *data,
+                             gsk_handle h, GSK_CALLBACK_ID id, void *info)
+{
+  int rc = gsk_attribute_set_callback(h, id, info);
+
+  switch(rc) {
+  case GSK_OK:
+    return CURLE_OK;
+  case GSK_ERROR_IO:
+    failf(data, "gsk_attribute_set_callback() I/O error: %s", strerror(errno));
+    break;
+  default:
+    failf(data, "gsk_attribute_set_callback(): %s", gsk_strerror(rc));
+    break;
+  }
+  return CURLE_SSL_CONNECT_ERROR;
+}
+
+
+static CURLcode set_ciphers(struct connectdata *conn,
+                                        gsk_handle h, unsigned int *protoflags)
+{
+  struct Curl_easy *data = conn->data;
+  const char *cipherlist = SSL_CONN_CONFIG(cipher_list);
+  const char *clp;
+  const gskit_cipher *ctp;
+  int i;
+  int l;
+  bool unsupported;
+  CURLcode result;
+  struct {
+    char *buf;
+    char *ptr;
+  } ciphers[CURL_GSKPROTO_LAST];
+
+  /* Compile cipher list into GSKit-compatible cipher lists. */
+
+  if(!cipherlist)
+    return CURLE_OK;
+  while(is_separator(*cipherlist))     /* Skip initial separators. */
+    cipherlist++;
+  if(!*cipherlist)
+    return CURLE_OK;
+
+  /* We allocate GSKit buffers of the same size as the input string: since
+     GSKit tokens are always shorter than their cipher names, allocated buffers
+     will always be large enough to accommodate the result. */
+  l = strlen(cipherlist) + 1;
+  memset((char *) ciphers, 0, sizeof(ciphers));
+  for(i = 0; i < CURL_GSKPROTO_LAST; i++) {
+    ciphers[i].buf = malloc(l);
+    if(!ciphers[i].buf) {
+      while(i--)
+        free(ciphers[i].buf);
+      return CURLE_OUT_OF_MEMORY;
+    }
+    ciphers[i].ptr = ciphers[i].buf;
+    *ciphers[i].ptr = '\0';
+  }
+
+  /* Process each cipher in input string. */
+  unsupported = FALSE;
+  result = CURLE_OK;
+  for(;;) {
+    for(clp = cipherlist; *cipherlist && !is_separator(*cipherlist);)
+      cipherlist++;
+    l = cipherlist - clp;
+    if(!l)
+      break;
+    /* Search the cipher in our table. */
+    for(ctp = ciphertable; ctp->name; ctp++)
+      if(strncasecompare(ctp->name, clp, l) && !ctp->name[l])
+        break;
+    if(!ctp->name) {
+      failf(data, "Unknown cipher %.*s", l, clp);
+      result = CURLE_SSL_CIPHER;
+    }
+    else {
+      unsupported |= !(ctp->versions & (CURL_GSKPROTO_SSLV2_MASK |
+                        CURL_GSKPROTO_SSLV3_MASK | CURL_GSKPROTO_TLSV10_MASK));
+      for(i = 0; i < CURL_GSKPROTO_LAST; i++) {
+        if(ctp->versions & (1 << i)) {
+          strcpy(ciphers[i].ptr, ctp->gsktoken);
+          ciphers[i].ptr += strlen(ctp->gsktoken);
+        }
+      }
+    }
+
+   /* Advance to next cipher name or end of string. */
+    while(is_separator(*cipherlist))
+      cipherlist++;
+  }
+
+  /* Disable protocols with empty cipher lists. */
+  for(i = 0; i < CURL_GSKPROTO_LAST; i++) {
+    if(!(*protoflags & (1 << i)) || !ciphers[i].buf[0]) {
+      *protoflags &= ~(1 << i);
+      ciphers[i].buf[0] = '\0';
+    }
+  }
+
+  /* Try to set-up TLSv1.1 and TLSv2.1 ciphers. */
+  if(*protoflags & CURL_GSKPROTO_TLSV11_MASK) {
+    result = set_buffer(data, h, GSK_TLSV11_CIPHER_SPECS,
+                        ciphers[CURL_GSKPROTO_TLSV11].buf, TRUE);
+    if(result == CURLE_UNSUPPORTED_PROTOCOL) {
+      result = CURLE_OK;
+      if(unsupported) {
+        failf(data, "TLSv1.1-only ciphers are not yet supported");
+        result = CURLE_SSL_CIPHER;
+      }
+    }
+  }
+  if(!result && (*protoflags & CURL_GSKPROTO_TLSV12_MASK)) {
+    result = set_buffer(data, h, GSK_TLSV12_CIPHER_SPECS,
+                        ciphers[CURL_GSKPROTO_TLSV12].buf, TRUE);
+    if(result == CURLE_UNSUPPORTED_PROTOCOL) {
+      result = CURLE_OK;
+      if(unsupported) {
+        failf(data, "TLSv1.2-only ciphers are not yet supported");
+        result = CURLE_SSL_CIPHER;
+      }
+    }
+  }
+
+  /* Try to set-up TLSv1.0 ciphers. If not successful, concatenate them to
+     the SSLv3 ciphers. OS/400 prior to version 7.1 will understand it. */
+  if(!result && (*protoflags & CURL_GSKPROTO_TLSV10_MASK)) {
+    result = set_buffer(data, h, GSK_TLSV10_CIPHER_SPECS,
+                        ciphers[CURL_GSKPROTO_TLSV10].buf, TRUE);
+    if(result == CURLE_UNSUPPORTED_PROTOCOL) {
+      result = CURLE_OK;
+      strcpy(ciphers[CURL_GSKPROTO_SSLV3].ptr,
+             ciphers[CURL_GSKPROTO_TLSV10].ptr);
+    }
+  }
+
+  /* Set-up other ciphers. */
+  if(!result && (*protoflags & CURL_GSKPROTO_SSLV3_MASK))
+    result = set_buffer(data, h, GSK_V3_CIPHER_SPECS,
+                        ciphers[CURL_GSKPROTO_SSLV3].buf, FALSE);
+  if(!result && (*protoflags & CURL_GSKPROTO_SSLV2_MASK))
+    result = set_buffer(data, h, GSK_V2_CIPHER_SPECS,
+                        ciphers[CURL_GSKPROTO_SSLV2].buf, FALSE);
+
+  /* Clean-up. */
+  for(i = 0; i < CURL_GSKPROTO_LAST; i++)
+    free(ciphers[i].buf);
+
+  return result;
+}
+
+
+static int Curl_gskit_init(void)
+{
+  /* No initialisation needed. */
+
+  return 1;
+}
+
+
+static void Curl_gskit_cleanup(void)
+{
+  /* Nothing to do. */
+}
+
+
+static CURLcode init_environment(struct Curl_easy *data,
+                                 gsk_handle *envir, const char *appid,
+                                 const char *file, const char *label,
+                                 const char *password)
+{
+  int rc;
+  CURLcode result;
+  gsk_handle h;
+
+  /* Creates the GSKit environment. */
+
+  rc = gsk_environment_open(&h);
+  switch(rc) {
+  case GSK_OK:
+    break;
+  case GSK_INSUFFICIENT_STORAGE:
+    return CURLE_OUT_OF_MEMORY;
+  default:
+    failf(data, "gsk_environment_open(): %s", gsk_strerror(rc));
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  result = set_enum(data, h, GSK_SESSION_TYPE, GSK_CLIENT_SESSION, FALSE);
+  if(!result && appid)
+    result = set_buffer(data, h, GSK_OS400_APPLICATION_ID, appid, FALSE);
+  if(!result && file)
+    result = set_buffer(data, h, GSK_KEYRING_FILE, file, FALSE);
+  if(!result && label)
+    result = set_buffer(data, h, GSK_KEYRING_LABEL, label, FALSE);
+  if(!result && password)
+    result = set_buffer(data, h, GSK_KEYRING_PW, password, FALSE);
+
+  if(!result) {
+    /* Locate CAs, Client certificate and key according to our settings.
+       Note: this call may be blocking for some tenths of seconds. */
+    result = gskit_status(data, gsk_environment_init(h),
+                          "gsk_environment_init()", CURLE_SSL_CERTPROBLEM);
+    if(!result) {
+      *envir = h;
+      return result;
+    }
+  }
+  /* Error: rollback. */
+  gsk_environment_close(&h);
+  return result;
+}
+
+
+static void cancel_async_handshake(struct connectdata *conn, int sockindex)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  Qso_OverlappedIO_t cstat;
+
+  if(QsoCancelOperation(conn->sock[sockindex], 0) > 0)
+    QsoWaitForIOCompletion(BACKEND->iocport, &cstat, (struct timeval *) NULL);
+}
+
+
+static void close_async_handshake(struct ssl_connect_data *connssl)
+{
+  QsoDestroyIOCompletionPort(BACKEND->iocport);
+  BACKEND->iocport = -1;
+}
+
+/* SSL over SSL
+ * Problems:
+ * 1) GSKit can only perform SSL on an AF_INET or AF_INET6 stream socket. To
+ *    pipe an SSL stream into another, it is therefore needed to have a pair
+ *    of such communicating sockets and handle the pipelining explicitly.
+ * 2) OS/400 socketpair() is only implemented for domain AF_UNIX, thus cannot
+ *    be used to produce the pipeline.
+ * The solution is to simulate socketpair() for AF_INET with low-level API
+ *    listen(), bind() and connect().
+ */
+
+static int
+inetsocketpair(int sv[2])
+{
+  int lfd;      /* Listening socket. */
+  int sfd;      /* Server socket. */
+  int cfd;      /* Client socket. */
+  int len;
+  struct sockaddr_in addr1;
+  struct sockaddr_in addr2;
+
+  /* Create listening socket on a local dynamic port. */
+  lfd = socket(AF_INET, SOCK_STREAM, 0);
+  if(lfd < 0)
+    return -1;
+  memset((char *) &addr1, 0, sizeof(addr1));
+  addr1.sin_family = AF_INET;
+  addr1.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+  addr1.sin_port = 0;
+  if(bind(lfd, (struct sockaddr *) &addr1, sizeof(addr1)) ||
+     listen(lfd, 2) < 0) {
+    close(lfd);
+    return -1;
+  }
+
+  /* Get the allocated port. */
+  len = sizeof(addr1);
+  if(getsockname(lfd, (struct sockaddr *) &addr1, &len) < 0) {
+    close(lfd);
+    return -1;
+  }
+
+  /* Create the client socket. */
+  cfd = socket(AF_INET, SOCK_STREAM, 0);
+  if(cfd < 0) {
+    close(lfd);
+    return -1;
+  }
+
+  /* Request unblocking connection to the listening socket. */
+  curlx_nonblock(cfd, TRUE);
+  if(connect(cfd, (struct sockaddr *) &addr1, sizeof(addr1)) < 0 &&
+     errno != EINPROGRESS) {
+    close(lfd);
+    close(cfd);
+    return -1;
+  }
+
+  /* Get the client dynamic port for intrusion check below. */
+  len = sizeof(addr2);
+  if(getsockname(cfd, (struct sockaddr *) &addr2, &len) < 0) {
+    close(lfd);
+    close(cfd);
+    return -1;
+  }
+
+  /* Accept the incoming connection and get the server socket. */
+  curlx_nonblock(lfd, TRUE);
+  for(;;) {
+    len = sizeof(addr1);
+    sfd = accept(lfd, (struct sockaddr *) &addr1, &len);
+    if(sfd < 0) {
+      close(lfd);
+      close(cfd);
+      return -1;
+    }
+
+    /* Check for possible intrusion from an external process. */
+    if(addr1.sin_addr.s_addr == addr2.sin_addr.s_addr &&
+       addr1.sin_port == addr2.sin_port)
+      break;
+
+    /* Intrusion: reject incoming connection. */
+    close(sfd);
+  }
+
+  /* Done, return sockets and succeed. */
+  close(lfd);
+  curlx_nonblock(cfd, FALSE);
+  sv[0] = cfd;
+  sv[1] = sfd;
+  return 0;
+}
+
+static int pipe_ssloverssl(struct connectdata *conn, int sockindex,
+                           int directions)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  struct ssl_connect_data *connproxyssl = &conn->proxy_ssl[sockindex];
+  fd_set fds_read;
+  fd_set fds_write;
+  int n;
+  int m;
+  int i;
+  int ret = 0;
+  struct timeval tv = {0, 0};
+  char buf[CURL_MAX_WRITE_SIZE];
+
+  if(!connssl->use || !connproxyssl->use)
+    return 0;   /* No SSL over SSL: OK. */
+
+  FD_ZERO(&fds_read);
+  FD_ZERO(&fds_write);
+  n = -1;
+  if(directions & SOS_READ) {
+    FD_SET(BACKEND->remotefd, &fds_write);
+    n = BACKEND->remotefd;
+  }
+  if(directions & SOS_WRITE) {
+    FD_SET(BACKEND->remotefd, &fds_read);
+    n = BACKEND->remotefd;
+    FD_SET(conn->sock[sockindex], &fds_write);
+    if(n < conn->sock[sockindex])
+      n = conn->sock[sockindex];
+  }
+  i = select(n + 1, &fds_read, &fds_write, NULL, &tv);
+  if(i < 0)
+    return -1;  /* Select error. */
+
+  if(FD_ISSET(BACKEND->remotefd, &fds_write)) {
+    /* Try getting data from HTTPS proxy and pipe it upstream. */
+    n = 0;
+    i = gsk_secure_soc_read(connproxyssl->backend->handle,
+                            buf, sizeof(buf), &n);
+    switch(i) {
+    case GSK_OK:
+      if(n) {
+        i = write(BACKEND->remotefd, buf, n);
+        if(i < 0)
+          return -1;
+        ret = 1;
+      }
+      break;
+    case GSK_OS400_ERROR_TIMED_OUT:
+    case GSK_WOULD_BLOCK:
+      break;
+    default:
+      return -1;
+    }
+  }
+
+  if(FD_ISSET(BACKEND->remotefd, &fds_read) &&
+     FD_ISSET(conn->sock[sockindex], &fds_write)) {
+    /* Pipe data to HTTPS proxy. */
+    n = read(BACKEND->remotefd, buf, sizeof(buf));
+    if(n < 0)
+      return -1;
+    if(n) {
+      i = gsk_secure_soc_write(connproxyssl->backend->handle, buf, n, &m);
+      if(i != GSK_OK || n != m)
+        return -1;
+      ret = 1;
+    }
+  }
+
+  return ret;  /* OK */
+}
+
+
+static void close_one(struct ssl_connect_data *connssl,
+                      struct connectdata *conn, int sockindex)
+{
+  if(BACKEND->handle) {
+    gskit_status(conn->data, gsk_secure_soc_close(&BACKEND->handle),
+              "gsk_secure_soc_close()", 0);
+    /* Last chance to drain output. */
+    while(pipe_ssloverssl(conn, sockindex, SOS_WRITE) > 0)
+      ;
+    BACKEND->handle = (gsk_handle) NULL;
+    if(BACKEND->localfd >= 0) {
+      close(BACKEND->localfd);
+      BACKEND->localfd = -1;
+    }
+    if(BACKEND->remotefd >= 0) {
+      close(BACKEND->remotefd);
+      BACKEND->remotefd = -1;
+    }
+  }
+  if(BACKEND->iocport >= 0)
+    close_async_handshake(connssl);
+}
+
+
+static ssize_t gskit_send(struct connectdata *conn, int sockindex,
+                           const void *mem, size_t len, CURLcode *curlcode)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  struct Curl_easy *data = conn->data;
+  CURLcode cc = CURLE_SEND_ERROR;
+  int written;
+
+  if(pipe_ssloverssl(conn, sockindex, SOS_WRITE) >= 0) {
+    cc = gskit_status(data,
+                      gsk_secure_soc_write(BACKEND->handle,
+                                           (char *) mem, (int) len, &written),
+                      "gsk_secure_soc_write()", CURLE_SEND_ERROR);
+    if(cc == CURLE_OK)
+      if(pipe_ssloverssl(conn, sockindex, SOS_WRITE) < 0)
+        cc = CURLE_SEND_ERROR;
+  }
+  if(cc != CURLE_OK) {
+    *curlcode = cc;
+    written = -1;
+  }
+  return (ssize_t) written; /* number of bytes */
+}
+
+
+static ssize_t gskit_recv(struct connectdata *conn, int num, char *buf,
+                           size_t buffersize, CURLcode *curlcode)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[num];
+  struct Curl_easy *data = conn->data;
+  int buffsize;
+  int nread;
+  CURLcode cc = CURLE_RECV_ERROR;
+
+  if(pipe_ssloverssl(conn, num, SOS_READ) >= 0) {
+    buffsize = buffersize > (size_t) INT_MAX? INT_MAX: (int) buffersize;
+    cc = gskit_status(data, gsk_secure_soc_read(BACKEND->handle,
+                                                buf, buffsize, &nread),
+                      "gsk_secure_soc_read()", CURLE_RECV_ERROR);
+  }
+  switch(cc) {
+  case CURLE_OK:
+    break;
+  case CURLE_OPERATION_TIMEDOUT:
+    cc = CURLE_AGAIN;
+  default:
+    *curlcode = cc;
+    nread = -1;
+    break;
+  }
+  return (ssize_t) nread;
+}
+
+static CURLcode
+set_ssl_version_min_max(unsigned int *protoflags, struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+  long ssl_version = SSL_CONN_CONFIG(version);
+  long ssl_version_max = SSL_CONN_CONFIG(version_max);
+  long i = ssl_version;
+  switch(ssl_version_max) {
+    case CURL_SSLVERSION_MAX_NONE:
+    case CURL_SSLVERSION_MAX_DEFAULT:
+      ssl_version_max = CURL_SSLVERSION_TLSv1_2;
+      break;
+  }
+  for(; i <= (ssl_version_max >> 16); ++i) {
+    switch(i) {
+      case CURL_SSLVERSION_TLSv1_0:
+        *protoflags |= CURL_GSKPROTO_TLSV10_MASK;
+        break;
+      case CURL_SSLVERSION_TLSv1_1:
+        *protoflags |= CURL_GSKPROTO_TLSV11_MASK;
+        break;
+      case CURL_SSLVERSION_TLSv1_2:
+        *protoflags |= CURL_GSKPROTO_TLSV11_MASK;
+        break;
+      case CURL_SSLVERSION_TLSv1_3:
+        failf(data, "GSKit: TLS 1.3 is not yet supported");
+        return CURLE_SSL_CONNECT_ERROR;
+    }
+  }
+
+  return CURLE_OK;
+}
+
+static CURLcode gskit_connect_step1(struct connectdata *conn, int sockindex)
+{
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  gsk_handle envir;
+  CURLcode result;
+  int rc;
+  const char * const keyringfile = SSL_CONN_CONFIG(CAfile);
+  const char * const keyringpwd = SSL_SET_OPTION(key_passwd);
+  const char * const keyringlabel = SSL_SET_OPTION(cert);
+  const long int ssl_version = SSL_CONN_CONFIG(version);
+  const bool verifypeer = SSL_CONN_CONFIG(verifypeer);
+  const char * const hostname = SSL_IS_PROXY()? conn->http_proxy.host.name:
+    conn->host.name;
+  const char *sni;
+  unsigned int protoflags = 0;
+  long timeout;
+  Qso_OverlappedIO_t commarea;
+  int sockpair[2];
+  static const int sobufsize = CURL_MAX_WRITE_SIZE;
+
+  /* Create SSL environment, start (preferably asynchronous) handshake. */
+
+  BACKEND->handle = (gsk_handle) NULL;
+  BACKEND->iocport = -1;
+  BACKEND->localfd = -1;
+  BACKEND->remotefd = -1;
+
+  /* GSKit supports two ways of specifying an SSL context: either by
+   *  application identifier (that should have been defined at the system
+   *  level) or by keyring file, password and certificate label.
+   * Local certificate name (CURLOPT_SSLCERT) is used to hold either the
+   *  application identifier of the certificate label.
+   * Key password (CURLOPT_KEYPASSWD) holds the keyring password.
+   * It is not possible to have different keyrings for the CAs and the
+   *  local certificate. We thus use the CA file (CURLOPT_CAINFO) to identify
+   *  the keyring file.
+   * If no key password is given and the keyring is the system keyring,
+   *  application identifier mode is tried first, as recommended in IBM doc.
+   */
+
+  envir = (gsk_handle) NULL;
+
+  if(keyringlabel && *keyringlabel && !keyringpwd &&
+      !strcmp(keyringfile, CURL_CA_BUNDLE)) {
+    /* Try application identifier mode. */
+    init_environment(data, &envir, keyringlabel, (const char *) NULL,
+                     (const char *) NULL, (const char *) NULL);
+  }
+
+  if(!envir) {
+    /* Use keyring mode. */
+    result = init_environment(data, &envir, (const char *) NULL,
+                              keyringfile, keyringlabel, keyringpwd);
+    if(result)
+      return result;
+  }
+
+  /* Create secure session. */
+  result = gskit_status(data, gsk_secure_soc_open(envir, &BACKEND->handle),
+                        "gsk_secure_soc_open()", CURLE_SSL_CONNECT_ERROR);
+  gsk_environment_close(&envir);
+  if(result)
+    return result;
+
+  /* Establish a pipelining socket pair for SSL over SSL. */
+  if(conn->proxy_ssl[sockindex].use) {
+    if(inetsocketpair(sockpair))
+      return CURLE_SSL_CONNECT_ERROR;
+    BACKEND->localfd = sockpair[0];
+    BACKEND->remotefd = sockpair[1];
+    setsockopt(BACKEND->localfd, SOL_SOCKET, SO_RCVBUF,
+               (void *) sobufsize, sizeof(sobufsize));
+    setsockopt(BACKEND->remotefd, SOL_SOCKET, SO_RCVBUF,
+               (void *) sobufsize, sizeof(sobufsize));
+    setsockopt(BACKEND->localfd, SOL_SOCKET, SO_SNDBUF,
+               (void *) sobufsize, sizeof(sobufsize));
+    setsockopt(BACKEND->remotefd, SOL_SOCKET, SO_SNDBUF,
+               (void *) sobufsize, sizeof(sobufsize));
+    curlx_nonblock(BACKEND->localfd, TRUE);
+    curlx_nonblock(BACKEND->remotefd, TRUE);
+  }
+
+  /* Determine which SSL/TLS version should be enabled. */
+  sni = hostname;
+  switch(ssl_version) {
+  case CURL_SSLVERSION_SSLv2:
+    protoflags = CURL_GSKPROTO_SSLV2_MASK;
+    sni = NULL;
+    break;
+  case CURL_SSLVERSION_SSLv3:
+    protoflags = CURL_GSKPROTO_SSLV3_MASK;
+    sni = NULL;
+    break;
+  case CURL_SSLVERSION_DEFAULT:
+  case CURL_SSLVERSION_TLSv1:
+    protoflags = CURL_GSKPROTO_TLSV10_MASK |
+                 CURL_GSKPROTO_TLSV11_MASK | CURL_GSKPROTO_TLSV12_MASK;
+    break;
+  case CURL_SSLVERSION_TLSv1_0:
+  case CURL_SSLVERSION_TLSv1_1:
+  case CURL_SSLVERSION_TLSv1_2:
+  case CURL_SSLVERSION_TLSv1_3:
+    result = set_ssl_version_min_max(&protoflags, conn);
+    if(result != CURLE_OK)
+      return result;
+    break;
+  default:
+    failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  /* Process SNI. Ignore if not supported (on OS400 < V7R1). */
+  if(sni) {
+    result = set_buffer(data, BACKEND->handle,
+                        GSK_SSL_EXTN_SERVERNAME_REQUEST, sni, TRUE);
+    if(result == CURLE_UNSUPPORTED_PROTOCOL)
+      result = CURLE_OK;
+  }
+
+  /* Set session parameters. */
+  if(!result) {
+    /* Compute the handshake timeout. Since GSKit granularity is 1 second,
+       we round up the required value. */
+    timeout = Curl_timeleft(data, NULL, TRUE);
+    if(timeout < 0)
+      result = CURLE_OPERATION_TIMEDOUT;
+    else
+      result = set_numeric(data, BACKEND->handle, GSK_HANDSHAKE_TIMEOUT,
+                           (timeout + 999) / 1000);
+  }
+  if(!result)
+    result = set_numeric(data, BACKEND->handle, GSK_OS400_READ_TIMEOUT, 1);
+  if(!result)
+    result = set_numeric(data, BACKEND->handle, GSK_FD, BACKEND->localfd >= 0?
+                         BACKEND->localfd: conn->sock[sockindex]);
+  if(!result)
+    result = set_ciphers(conn, BACKEND->handle, &protoflags);
+  if(!protoflags) {
+    failf(data, "No SSL protocol/cipher combination enabled");
+    result = CURLE_SSL_CIPHER;
+  }
+  if(!result)
+    result = set_enum(data, BACKEND->handle, GSK_PROTOCOL_SSLV2,
+                      (protoflags & CURL_GSKPROTO_SSLV2_MASK)?
+                      GSK_PROTOCOL_SSLV2_ON: GSK_PROTOCOL_SSLV2_OFF, FALSE);
+  if(!result)
+    result = set_enum(data, BACKEND->handle, GSK_PROTOCOL_SSLV3,
+                      (protoflags & CURL_GSKPROTO_SSLV3_MASK)?
+                      GSK_PROTOCOL_SSLV3_ON: GSK_PROTOCOL_SSLV3_OFF, FALSE);
+  if(!result)
+    result = set_enum(data, BACKEND->handle, GSK_PROTOCOL_TLSV1,
+                      (protoflags & CURL_GSKPROTO_TLSV10_MASK)?
+                      GSK_PROTOCOL_TLSV1_ON: GSK_PROTOCOL_TLSV1_OFF, FALSE);
+  if(!result) {
+    result = set_enum(data, BACKEND->handle, GSK_PROTOCOL_TLSV11,
+                      (protoflags & CURL_GSKPROTO_TLSV11_MASK)?
+                      GSK_TRUE: GSK_FALSE, TRUE);
+    if(result == CURLE_UNSUPPORTED_PROTOCOL) {
+      result = CURLE_OK;
+      if(protoflags == CURL_GSKPROTO_TLSV11_MASK) {
+        failf(data, "TLS 1.1 not yet supported");
+        result = CURLE_SSL_CIPHER;
+      }
+    }
+  }
+  if(!result) {
+    result = set_enum(data, BACKEND->handle, GSK_PROTOCOL_TLSV12,
+                      (protoflags & CURL_GSKPROTO_TLSV12_MASK)?
+                      GSK_TRUE: GSK_FALSE, TRUE);
+    if(result == CURLE_UNSUPPORTED_PROTOCOL) {
+      result = CURLE_OK;
+      if(protoflags == CURL_GSKPROTO_TLSV12_MASK) {
+        failf(data, "TLS 1.2 not yet supported");
+        result = CURLE_SSL_CIPHER;
+      }
+    }
+  }
+  if(!result)
+    result = set_enum(data, BACKEND->handle, GSK_SERVER_AUTH_TYPE,
+                      verifypeer? GSK_SERVER_AUTH_FULL:
+                      GSK_SERVER_AUTH_PASSTHRU, FALSE);
+
+  if(!result) {
+    /* Start handshake. Try asynchronous first. */
+    memset(&commarea, 0, sizeof(commarea));
+    BACKEND->iocport = QsoCreateIOCompletionPort();
+    if(BACKEND->iocport != -1) {
+      result = gskit_status(data,
+                            gsk_secure_soc_startInit(BACKEND->handle,
+                                                     BACKEND->iocport,
+                                                     &commarea),
+                            "gsk_secure_soc_startInit()",
+                            CURLE_SSL_CONNECT_ERROR);
+      if(!result) {
+        connssl->connecting_state = ssl_connect_2;
+        return CURLE_OK;
+      }
+      else
+        close_async_handshake(connssl);
+    }
+    else if(errno != ENOBUFS)
+      result = gskit_status(data, GSK_ERROR_IO,
+                            "QsoCreateIOCompletionPort()", 0);
+    else if(conn->proxy_ssl[sockindex].use) {
+      /* Cannot pipeline while handshaking synchronously. */
+      result = CURLE_SSL_CONNECT_ERROR;
+    }
+    else {
+      /* No more completion port available. Use synchronous IO. */
+      result = gskit_status(data, gsk_secure_soc_init(BACKEND->handle),
+                            "gsk_secure_soc_init()", CURLE_SSL_CONNECT_ERROR);
+      if(!result) {
+        connssl->connecting_state = ssl_connect_3;
+        return CURLE_OK;
+      }
+    }
+  }
+
+  /* Error: rollback. */
+  close_one(connssl, conn, sockindex);
+  return result;
+}
+
+
+static CURLcode gskit_connect_step2(struct connectdata *conn, int sockindex,
+                                    bool nonblocking)
+{
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  Qso_OverlappedIO_t cstat;
+  long timeout_ms;
+  struct timeval stmv;
+  CURLcode result;
+
+  /* Poll or wait for end of SSL asynchronous handshake. */
+
+  for(;;) {
+    timeout_ms = nonblocking? 0: Curl_timeleft(data, NULL, TRUE);
+    if(timeout_ms < 0)
+      timeout_ms = 0;
+    stmv.tv_sec = timeout_ms / 1000;
+    stmv.tv_usec = (timeout_ms - stmv.tv_sec * 1000) * 1000;
+    switch(QsoWaitForIOCompletion(BACKEND->iocport, &cstat, &stmv)) {
+    case 1:             /* Operation complete. */
+      break;
+    case -1:            /* An error occurred: handshake still in progress. */
+      if(errno == EINTR) {
+        if(nonblocking)
+          return CURLE_OK;
+        continue;       /* Retry. */
+      }
+      if(errno != ETIME) {
+        failf(data, "QsoWaitForIOCompletion() I/O error: %s", strerror(errno));
+        cancel_async_handshake(conn, sockindex);
+        close_async_handshake(connssl);
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      /* FALL INTO... */
+    case 0:             /* Handshake in progress, timeout occurred. */
+      if(nonblocking)
+        return CURLE_OK;
+      cancel_async_handshake(conn, sockindex);
+      close_async_handshake(connssl);
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+    break;
+  }
+  result = gskit_status(data, cstat.returnValue, "SSL handshake",
+                        CURLE_SSL_CONNECT_ERROR);
+  if(!result)
+    connssl->connecting_state = ssl_connect_3;
+  close_async_handshake(connssl);
+  return result;
+}
+
+
+static CURLcode gskit_connect_step3(struct connectdata *conn, int sockindex)
+{
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  const gsk_cert_data_elem *cdev;
+  int cdec;
+  const gsk_cert_data_elem *p;
+  const char *cert = (const char *) NULL;
+  const char *certend;
+  const char *ptr;
+  int i;
+  CURLcode result;
+
+  /* SSL handshake done: gather certificate info and verify host. */
+
+  if(gskit_status(data, gsk_attribute_get_cert_info(BACKEND->handle,
+                                                    GSK_PARTNER_CERT_INFO,
+                                                    &cdev, &cdec),
+                  "gsk_attribute_get_cert_info()", CURLE_SSL_CONNECT_ERROR) ==
+     CURLE_OK) {
+    infof(data, "Server certificate:\n");
+    p = cdev;
+    for(i = 0; i++ < cdec; p++)
+      switch(p->cert_data_id) {
+      case CERT_BODY_DER:
+        cert = p->cert_data_p;
+        certend = cert + cdev->cert_data_l;
+        break;
+      case CERT_DN_PRINTABLE:
+        infof(data, "\t subject: %.*s\n", p->cert_data_l, p->cert_data_p);
+        break;
+      case CERT_ISSUER_DN_PRINTABLE:
+        infof(data, "\t issuer: %.*s\n", p->cert_data_l, p->cert_data_p);
+        break;
+      case CERT_VALID_FROM:
+        infof(data, "\t start date: %.*s\n", p->cert_data_l, p->cert_data_p);
+        break;
+      case CERT_VALID_TO:
+        infof(data, "\t expire date: %.*s\n", p->cert_data_l, p->cert_data_p);
+        break;
+    }
+  }
+
+  /* Verify host. */
+  result = Curl_verifyhost(conn, cert, certend);
+  if(result)
+    return result;
+
+  /* The only place GSKit can get the whole CA chain is a validation
+     callback where no user data pointer is available. Therefore it's not
+     possible to copy this chain into our structures for CAINFO.
+     However the server certificate may be available, thus we can return
+     info about it. */
+  if(data->set.ssl.certinfo) {
+    result = Curl_ssl_init_certinfo(data, 1);
+    if(result)
+      return result;
+
+    if(cert) {
+      result = Curl_extract_certinfo(conn, 0, cert, certend);
+      if(result)
+        return result;
+    }
+  }
+
+  /* Check pinned public key. */
+  ptr = SSL_IS_PROXY() ? data->set.str[STRING_SSL_PINNEDPUBLICKEY_PROXY] :
+                         data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG];
+  if(!result && ptr) {
+    curl_X509certificate x509;
+    curl_asn1Element *p;
+
+    if(Curl_parseX509(&x509, cert, certend))
+      return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+    p = &x509.subjectPublicKeyInfo;
+    result = Curl_pin_peer_pubkey(data, ptr, p->header, p->end - p->header);
+    if(result) {
+      failf(data, "SSL: public key does not match pinned public key!");
+      return result;
+    }
+  }
+
+  connssl->connecting_state = ssl_connect_done;
+  return CURLE_OK;
+}
+
+
+static CURLcode gskit_connect_common(struct connectdata *conn, int sockindex,
+                                     bool nonblocking, bool *done)
+{
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  long timeout_ms;
+  Qso_OverlappedIO_t cstat;
+  CURLcode result = CURLE_OK;
+
+  *done = connssl->state == ssl_connection_complete;
+  if(*done)
+    return CURLE_OK;
+
+  /* Step 1: create session, start handshake. */
+  if(connssl->connecting_state == ssl_connect_1) {
+    /* check allowed time left */
+    timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+    if(timeout_ms < 0) {
+      /* no need to continue if time already is up */
+      failf(data, "SSL connection timeout");
+      result = CURLE_OPERATION_TIMEDOUT;
+    }
+    else
+      result = gskit_connect_step1(conn, sockindex);
+  }
+
+  /* Handle handshake pipelining. */
+  if(!result)
+    if(pipe_ssloverssl(conn, sockindex, SOS_READ | SOS_WRITE) < 0)
+      result = CURLE_SSL_CONNECT_ERROR;
+
+  /* Step 2: check if handshake is over. */
+  if(!result && connssl->connecting_state == ssl_connect_2) {
+    /* check allowed time left */
+    timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+    if(timeout_ms < 0) {
+      /* no need to continue if time already is up */
+      failf(data, "SSL connection timeout");
+      result = CURLE_OPERATION_TIMEDOUT;
+    }
+    else
+      result = gskit_connect_step2(conn, sockindex, nonblocking);
+  }
+
+  /* Handle handshake pipelining. */
+  if(!result)
+    if(pipe_ssloverssl(conn, sockindex, SOS_READ | SOS_WRITE) < 0)
+      result = CURLE_SSL_CONNECT_ERROR;
+
+  /* Step 3: gather certificate info, verify host. */
+  if(!result && connssl->connecting_state == ssl_connect_3)
+    result = gskit_connect_step3(conn, sockindex);
+
+  if(result)
+    close_one(connssl, conn, sockindex);
+  else if(connssl->connecting_state == ssl_connect_done) {
+    connssl->state = ssl_connection_complete;
+    connssl->connecting_state = ssl_connect_1;
+    conn->recv[sockindex] = gskit_recv;
+    conn->send[sockindex] = gskit_send;
+    *done = TRUE;
+  }
+
+  return result;
+}
+
+
+static CURLcode Curl_gskit_connect_nonblocking(struct connectdata *conn,
+                                               int sockindex, bool *done)
+{
+  CURLcode result;
+
+  result = gskit_connect_common(conn, sockindex, TRUE, done);
+  if(*done || result)
+    conn->ssl[sockindex].connecting_state = ssl_connect_1;
+  return result;
+}
+
+
+static CURLcode Curl_gskit_connect(struct connectdata *conn, int sockindex)
+{
+  CURLcode result;
+  bool done;
+
+  conn->ssl[sockindex].connecting_state = ssl_connect_1;
+  result = gskit_connect_common(conn, sockindex, FALSE, &done);
+  if(result)
+    return result;
+
+  DEBUGASSERT(done);
+
+  return CURLE_OK;
+}
+
+
+static void Curl_gskit_close(struct connectdata *conn, int sockindex)
+{
+  close_one(&conn->ssl[sockindex], conn, sockindex);
+  close_one(&conn->proxy_ssl[sockindex], conn, sockindex);
+}
+
+
+static int Curl_gskit_shutdown(struct connectdata *conn, int sockindex)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  struct Curl_easy *data = conn->data;
+  ssize_t nread;
+  int what;
+  int rc;
+  char buf[120];
+
+  if(!BACKEND->handle)
+    return 0;
+
+  if(data->set.ftp_ccc != CURLFTPSSL_CCC_ACTIVE)
+    return 0;
+
+  close_one(connssl, conn, sockindex);
+  rc = 0;
+  what = SOCKET_READABLE(conn->sock[sockindex],
+                         SSL_SHUTDOWN_TIMEOUT);
+
+  for(;;) {
+    if(what < 0) {
+      /* anything that gets here is fatally bad */
+      failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
+      rc = -1;
+      break;
+    }
+
+    if(!what) {                                /* timeout */
+      failf(data, "SSL shutdown timeout");
+      break;
+    }
+
+    /* Something to read, let's do it and hope that it is the close
+       notify alert from the server. No way to gsk_secure_soc_read() now, so
+       use read(). */
+
+    nread = read(conn->sock[sockindex], buf, sizeof(buf));
+
+    if(nread < 0) {
+      failf(data, "read: %s", strerror(errno));
+      rc = -1;
+    }
+
+    if(nread <= 0)
+      break;
+
+    what = SOCKET_READABLE(conn->sock[sockindex], 0);
+  }
+
+  return rc;
+}
+
+
+static size_t Curl_gskit_version(char *buffer, size_t size)
+{
+  return msnprintf(buffer, size, "GSKit");
+}
+
+
+static int Curl_gskit_check_cxn(struct connectdata *cxn)
+{
+  struct ssl_connect_data *connssl = &cxn->ssl[FIRSTSOCKET];
+  int err;
+  int errlen;
+
+  /* The only thing that can be tested here is at the socket level. */
+
+  if(!BACKEND->handle)
+    return 0; /* connection has been closed */
+
+  err = 0;
+  errlen = sizeof(err);
+
+  if(getsockopt(cxn->sock[FIRSTSOCKET], SOL_SOCKET, SO_ERROR,
+                 (unsigned char *) &err, &errlen) ||
+     errlen != sizeof(err) || err)
+    return 0; /* connection has been closed */
+
+  return -1;  /* connection status unknown */
+}
+
+static void *Curl_gskit_get_internals(struct ssl_connect_data *connssl,
+                                      CURLINFO info UNUSED_PARAM)
+{
+  (void)info;
+  return BACKEND->handle;
+}
+
+const struct Curl_ssl Curl_ssl_gskit = {
+  { CURLSSLBACKEND_GSKIT, "gskit" }, /* info */
+
+  SSLSUPP_CERTINFO |
+  SSLSUPP_PINNEDPUBKEY,
+
+  sizeof(struct ssl_backend_data),
+
+  Curl_gskit_init,                /* init */
+  Curl_gskit_cleanup,             /* cleanup */
+  Curl_gskit_version,             /* version */
+  Curl_gskit_check_cxn,           /* check_cxn */
+  Curl_gskit_shutdown,            /* shutdown */
+  Curl_none_data_pending,         /* data_pending */
+  Curl_none_random,               /* random */
+  Curl_none_cert_status_request,  /* cert_status_request */
+  Curl_gskit_connect,             /* connect */
+  Curl_gskit_connect_nonblocking, /* connect_nonblocking */
+  Curl_gskit_get_internals,       /* get_internals */
+  Curl_gskit_close,               /* close_one */
+  Curl_none_close_all,            /* close_all */
+  /* No session handling for GSKit */
+  Curl_none_session_free,         /* session_free */
+  Curl_none_set_engine,           /* set_engine */
+  Curl_none_set_engine_default,   /* set_engine_default */
+  Curl_none_engines_list,         /* engines_list */
+  Curl_none_false_start,          /* false_start */
+  Curl_none_md5sum,               /* md5sum */
+  NULL                            /* sha256sum */
+};
+
+#endif /* USE_GSKIT */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/gskit.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/gskit.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/gskit.h	(revision 85671)
@@ -0,0 +1,38 @@
+#ifndef HEADER_CURL_GSKIT_H
+#define HEADER_CURL_GSKIT_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+/*
+ * This header should only be needed to get included by vtls.c and gskit.c
+ */
+
+#include "urldata.h"
+
+#ifdef USE_GSKIT
+
+extern const struct Curl_ssl Curl_ssl_gskit;
+
+#endif /* USE_GSKIT */
+
+#endif /* HEADER_CURL_GSKIT_H */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/gtls.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/gtls.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/gtls.c	(revision 85671)
@@ -0,0 +1,1883 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Source file for all GnuTLS-specific code for the TLS/SSL layer. No code
+ * but vtls.c should ever call or use these functions.
+ *
+ * Note: don't use the GnuTLS' *_t variable type names in this source code,
+ * since they were not present in 1.0.X.
+ */
+
+#include "curl_setup.h"
+
+#ifdef USE_GNUTLS
+
+#include <gnutls/abstract.h>
+#include <gnutls/gnutls.h>
+#include <gnutls/x509.h>
+
+#ifdef USE_GNUTLS_NETTLE
+#include <gnutls/crypto.h>
+#include <nettle/md5.h>
+#include <nettle/sha2.h>
+#else
+#include <gcrypt.h>
+#endif
+
+#include "urldata.h"
+#include "sendf.h"
+#include "inet_pton.h"
+#include "gtls.h"
+#include "vtls.h"
+#include "parsedate.h"
+#include "connect.h" /* for the connect timeout */
+#include "select.h"
+#include "strcase.h"
+#include "warnless.h"
+#include "x509asn1.h"
+#include "curl_printf.h"
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/* Enable GnuTLS debugging by defining GTLSDEBUG */
+/*#define GTLSDEBUG */
+
+#ifdef GTLSDEBUG
+static void tls_log_func(int level, const char *str)
+{
+    fprintf(stderr, "|<%d>| %s", level, str);
+}
+#endif
+static bool gtls_inited = FALSE;
+
+#if defined(GNUTLS_VERSION_NUMBER)
+#  if (GNUTLS_VERSION_NUMBER >= 0x020c00)
+#    undef gnutls_transport_set_lowat
+#    define gnutls_transport_set_lowat(A,B) Curl_nop_stmt
+#    define USE_GNUTLS_PRIORITY_SET_DIRECT 1
+#  endif
+#  if (GNUTLS_VERSION_NUMBER >= 0x020c03)
+#    define GNUTLS_MAPS_WINSOCK_ERRORS 1
+#  endif
+
+#  if HAVE_GNUTLS_ALPN_SET_PROTOCOLS
+#    define HAS_ALPN
+#  endif
+
+#  if HAVE_GNUTLS_OCSP_REQ_INIT
+#    define HAS_OCSP
+#  endif
+
+#  if (GNUTLS_VERSION_NUMBER >= 0x030306)
+#    define HAS_CAPATH
+#  endif
+#endif
+
+#if (GNUTLS_VERSION_NUMBER >= 0x030603)
+#define HAS_TLS13
+#endif
+
+#ifdef HAS_OCSP
+# include <gnutls/ocsp.h>
+#endif
+
+struct ssl_backend_data {
+  gnutls_session_t session;
+  gnutls_certificate_credentials_t cred;
+#ifdef USE_TLS_SRP
+  gnutls_srp_client_credentials_t srp_client_cred;
+#endif
+};
+
+#define BACKEND connssl->backend
+
+/*
+ * Custom push and pull callback functions used by GNU TLS to read and write
+ * to the socket.  These functions are simple wrappers to send() and recv()
+ * (although here using the sread/swrite macros as defined by
+ * curl_setup_once.h).
+ * We use custom functions rather than the GNU TLS defaults because it allows
+ * us to get specific about the fourth "flags" argument, and to use arbitrary
+ * private data with gnutls_transport_set_ptr if we wish.
+ *
+ * When these custom push and pull callbacks fail, GNU TLS checks its own
+ * session-specific error variable, and when not set also its own global
+ * errno variable, in order to take appropriate action. GNU TLS does not
+ * require that the transport is actually a socket. This implies that for
+ * Windows builds these callbacks should ideally set the session-specific
+ * error variable using function gnutls_transport_set_errno or as a last
+ * resort global errno variable using gnutls_transport_set_global_errno,
+ * with a transport agnostic error value. This implies that some winsock
+ * error translation must take place in these callbacks.
+ *
+ * Paragraph above applies to GNU TLS versions older than 2.12.3, since
+ * this version GNU TLS does its own internal winsock error translation
+ * using system_errno() function.
+ */
+
+#if defined(USE_WINSOCK) && !defined(GNUTLS_MAPS_WINSOCK_ERRORS)
+#  define gtls_EINTR  4
+#  define gtls_EIO    5
+#  define gtls_EAGAIN 11
+static int gtls_mapped_sockerrno(void)
+{
+  switch(SOCKERRNO) {
+  case WSAEWOULDBLOCK:
+    return gtls_EAGAIN;
+  case WSAEINTR:
+    return gtls_EINTR;
+  default:
+    break;
+  }
+  return gtls_EIO;
+}
+#endif
+
+static ssize_t Curl_gtls_push(void *s, const void *buf, size_t len)
+{
+  curl_socket_t sock = *(curl_socket_t *)s;
+  ssize_t ret = swrite(sock, buf, len);
+#if defined(USE_WINSOCK) && !defined(GNUTLS_MAPS_WINSOCK_ERRORS)
+  if(ret < 0)
+    gnutls_transport_set_global_errno(gtls_mapped_sockerrno());
+#endif
+  return ret;
+}
+
+static ssize_t Curl_gtls_pull(void *s, void *buf, size_t len)
+{
+  curl_socket_t sock = *(curl_socket_t *)s;
+  ssize_t ret = sread(sock, buf, len);
+#if defined(USE_WINSOCK) && !defined(GNUTLS_MAPS_WINSOCK_ERRORS)
+  if(ret < 0)
+    gnutls_transport_set_global_errno(gtls_mapped_sockerrno());
+#endif
+  return ret;
+}
+
+static ssize_t Curl_gtls_push_ssl(void *s, const void *buf, size_t len)
+{
+  return gnutls_record_send((gnutls_session_t) s, buf, len);
+}
+
+static ssize_t Curl_gtls_pull_ssl(void *s, void *buf, size_t len)
+{
+  return gnutls_record_recv((gnutls_session_t) s, buf, len);
+}
+
+/* Curl_gtls_init()
+ *
+ * Global GnuTLS init, called from Curl_ssl_init(). This calls functions that
+ * are not thread-safe and thus this function itself is not thread-safe and
+ * must only be called from within curl_global_init() to keep the thread
+ * situation under control!
+ */
+static int Curl_gtls_init(void)
+{
+  int ret = 1;
+  if(!gtls_inited) {
+    ret = gnutls_global_init()?0:1;
+#ifdef GTLSDEBUG
+    gnutls_global_set_log_function(tls_log_func);
+    gnutls_global_set_log_level(2);
+#endif
+    gtls_inited = TRUE;
+  }
+  return ret;
+}
+
+static void Curl_gtls_cleanup(void)
+{
+  if(gtls_inited) {
+    gnutls_global_deinit();
+    gtls_inited = FALSE;
+  }
+}
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+static void showtime(struct Curl_easy *data,
+                     const char *text,
+                     time_t stamp)
+{
+  struct tm buffer;
+  const struct tm *tm = &buffer;
+  char str[96];
+  CURLcode result = Curl_gmtime(stamp, &buffer);
+  if(result)
+    return;
+
+  msnprintf(str,
+            sizeof(str),
+            "\t %s: %s, %02d %s %4d %02d:%02d:%02d GMT",
+            text,
+            Curl_wkday[tm->tm_wday?tm->tm_wday-1:6],
+            tm->tm_mday,
+            Curl_month[tm->tm_mon],
+            tm->tm_year + 1900,
+            tm->tm_hour,
+            tm->tm_min,
+            tm->tm_sec);
+  infof(data, "%s\n", str);
+}
+#endif
+
+static gnutls_datum_t load_file(const char *file)
+{
+  FILE *f;
+  gnutls_datum_t loaded_file = { NULL, 0 };
+  long filelen;
+  void *ptr;
+
+  f = fopen(file, "rb");
+  if(!f)
+    return loaded_file;
+  if(fseek(f, 0, SEEK_END) != 0
+     || (filelen = ftell(f)) < 0
+     || fseek(f, 0, SEEK_SET) != 0
+     || !(ptr = malloc((size_t)filelen)))
+    goto out;
+  if(fread(ptr, 1, (size_t)filelen, f) < (size_t)filelen) {
+    free(ptr);
+    goto out;
+  }
+
+  loaded_file.data = ptr;
+  loaded_file.size = (unsigned int)filelen;
+out:
+  fclose(f);
+  return loaded_file;
+}
+
+static void unload_file(gnutls_datum_t data)
+{
+  free(data.data);
+}
+
+
+/* this function does a SSL/TLS (re-)handshake */
+static CURLcode handshake(struct connectdata *conn,
+                          int sockindex,
+                          bool duringconnect,
+                          bool nonblocking)
+{
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  gnutls_session_t session = BACKEND->session;
+  curl_socket_t sockfd = conn->sock[sockindex];
+  time_t timeout_ms;
+  int rc;
+  int what;
+
+  for(;;) {
+    /* check allowed time left */
+    timeout_ms = Curl_timeleft(data, NULL, duringconnect);
+
+    if(timeout_ms < 0) {
+      /* no need to continue if time already is up */
+      failf(data, "SSL connection timeout");
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+
+    /* if ssl is expecting something, check if it's available. */
+    if(connssl->connecting_state == ssl_connect_2_reading
+       || connssl->connecting_state == ssl_connect_2_writing) {
+
+      curl_socket_t writefd = ssl_connect_2_writing ==
+        connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
+      curl_socket_t readfd = ssl_connect_2_reading ==
+        connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
+
+      what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
+                               nonblocking?0:
+                               timeout_ms?timeout_ms:1000);
+      if(what < 0) {
+        /* fatal error */
+        failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      else if(0 == what) {
+        if(nonblocking)
+          return CURLE_OK;
+        else if(timeout_ms) {
+          /* timeout */
+          failf(data, "SSL connection timeout at %ld", (long)timeout_ms);
+          return CURLE_OPERATION_TIMEDOUT;
+        }
+      }
+      /* socket is readable or writable */
+    }
+
+    rc = gnutls_handshake(session);
+
+    if((rc == GNUTLS_E_AGAIN) || (rc == GNUTLS_E_INTERRUPTED)) {
+      connssl->connecting_state =
+        gnutls_record_get_direction(session)?
+        ssl_connect_2_writing:ssl_connect_2_reading;
+      continue;
+    }
+    else if((rc < 0) && !gnutls_error_is_fatal(rc)) {
+      const char *strerr = NULL;
+
+      if(rc == GNUTLS_E_WARNING_ALERT_RECEIVED) {
+        int alert = gnutls_alert_get(session);
+        strerr = gnutls_alert_get_name(alert);
+      }
+
+      if(strerr == NULL)
+        strerr = gnutls_strerror(rc);
+
+      infof(data, "gnutls_handshake() warning: %s\n", strerr);
+      continue;
+    }
+    else if(rc < 0) {
+      const char *strerr = NULL;
+
+      if(rc == GNUTLS_E_FATAL_ALERT_RECEIVED) {
+        int alert = gnutls_alert_get(session);
+        strerr = gnutls_alert_get_name(alert);
+      }
+
+      if(strerr == NULL)
+        strerr = gnutls_strerror(rc);
+
+      failf(data, "gnutls_handshake() failed: %s", strerr);
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+
+    /* Reset our connect state machine */
+    connssl->connecting_state = ssl_connect_1;
+    return CURLE_OK;
+  }
+}
+
+static gnutls_x509_crt_fmt_t do_file_type(const char *type)
+{
+  if(!type || !type[0])
+    return GNUTLS_X509_FMT_PEM;
+  if(strcasecompare(type, "PEM"))
+    return GNUTLS_X509_FMT_PEM;
+  if(strcasecompare(type, "DER"))
+    return GNUTLS_X509_FMT_DER;
+  return -1;
+}
+
+#ifndef USE_GNUTLS_PRIORITY_SET_DIRECT
+static CURLcode
+set_ssl_version_min_max(int *list, size_t list_size, struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+  long ssl_version = SSL_CONN_CONFIG(version);
+  long ssl_version_max = SSL_CONN_CONFIG(version_max);
+  long i = ssl_version;
+  long protocol_priority_idx = 0;
+
+  switch(ssl_version_max) {
+    case CURL_SSLVERSION_MAX_NONE:
+    case CURL_SSLVERSION_MAX_DEFAULT:
+#ifdef HAS_TLS13
+      ssl_version_max = CURL_SSLVERSION_MAX_TLSv1_3;
+#endif
+      ssl_version_max = CURL_SSLVERSION_MAX_TLSv1_2;
+      break;
+  }
+
+  for(; i <= (ssl_version_max >> 16) &&
+        protocol_priority_idx < list_size; ++i) {
+    switch(i) {
+      case CURL_SSLVERSION_TLSv1_0:
+        protocol_priority[protocol_priority_idx++] = GNUTLS_TLS1_0;
+        break;
+      case CURL_SSLVERSION_TLSv1_1:
+        protocol_priority[protocol_priority_idx++] = GNUTLS_TLS1_1;
+        break;
+      case CURL_SSLVERSION_TLSv1_2:
+        protocol_priority[protocol_priority_idx++] = GNUTLS_TLS1_2;
+        break;
+      case CURL_SSLVERSION_TLSv1_3:
+#ifdef HAS_TLS13
+        protocol_priority[protocol_priority_idx++] = GNUTLS_TLS1_3;
+        break;
+#else
+        failf(data, "GnuTLS: TLS 1.3 is not yet supported");
+        return CURLE_SSL_CONNECT_ERROR;
+#endif
+    }
+  }
+  return CURLE_OK;
+}
+#else
+#define GNUTLS_CIPHERS "NORMAL:-ARCFOUR-128:-CTYPE-ALL:+CTYPE-X509"
+/* If GnuTLS was compiled without support for SRP it will error out if SRP is
+   requested in the priority string, so treat it specially
+ */
+#define GNUTLS_SRP "+SRP"
+
+static CURLcode
+set_ssl_version_min_max(const char **prioritylist, struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+  long ssl_version = SSL_CONN_CONFIG(version);
+  long ssl_version_max = SSL_CONN_CONFIG(version_max);
+
+  if(ssl_version_max == CURL_SSLVERSION_MAX_NONE) {
+    ssl_version_max = CURL_SSLVERSION_MAX_DEFAULT;
+  }
+  switch(ssl_version | ssl_version_max) {
+    case CURL_SSLVERSION_TLSv1_0 | CURL_SSLVERSION_MAX_TLSv1_0:
+      *prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
+                      "+VERS-TLS1.0:" GNUTLS_SRP;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_0 | CURL_SSLVERSION_MAX_TLSv1_1:
+      *prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
+                      "+VERS-TLS1.0:+VERS-TLS1.1:" GNUTLS_SRP;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_0 | CURL_SSLVERSION_MAX_TLSv1_2:
+      *prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
+                      "+VERS-TLS1.0:+VERS-TLS1.1:+VERS-TLS1.2:" GNUTLS_SRP;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_1 | CURL_SSLVERSION_MAX_TLSv1_1:
+      *prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
+                      "+VERS-TLS1.1:" GNUTLS_SRP;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_1 | CURL_SSLVERSION_MAX_TLSv1_2:
+      *prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
+                      "+VERS-TLS1.1:+VERS-TLS1.2:" GNUTLS_SRP;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_2 | CURL_SSLVERSION_MAX_TLSv1_2:
+      *prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
+                      "+VERS-TLS1.2:" GNUTLS_SRP;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_3 | CURL_SSLVERSION_MAX_TLSv1_3:
+#ifdef HAS_TLS13
+       *prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
+                       "+VERS-TLS1.3:" GNUTLS_SRP;
+      return CURLE_OK;
+#else
+       failf(data, "GnuTLS: TLS 1.3 is not yet supported");
+      return CURLE_SSL_CONNECT_ERROR;
+#endif
+    case CURL_SSLVERSION_TLSv1_0 | CURL_SSLVERSION_MAX_DEFAULT:
+      *prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
+                      "+VERS-TLS1.0:+VERS-TLS1.1:+VERS-TLS1.2:"
+#ifdef HAS_TLS13
+                      "+VERS-TLS1.3:"
+#endif
+                      GNUTLS_SRP;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_1 | CURL_SSLVERSION_MAX_DEFAULT:
+      *prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
+                      "+VERS-TLS1.1:+VERS-TLS1.2:"
+#ifdef HAS_TLS13
+                      "+VERS-TLS1.3:"
+#endif
+                      GNUTLS_SRP;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_2 | CURL_SSLVERSION_MAX_DEFAULT:
+      *prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
+                      "+VERS-TLS1.2:"
+#ifdef HAS_TLS13
+                      "+VERS-TLS1.3:"
+#endif
+                      GNUTLS_SRP;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_3 | CURL_SSLVERSION_MAX_DEFAULT:
+      *prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:-VERS-TLS-ALL:"
+                      "+VERS-TLS1.2:"
+#ifdef HAS_TLS13
+                      "+VERS-TLS1.3:"
+#endif
+                      GNUTLS_SRP;
+      return CURLE_OK;
+  }
+
+  failf(data, "GnuTLS: cannot set ssl protocol");
+  return CURLE_SSL_CONNECT_ERROR;
+}
+#endif
+
+static CURLcode
+gtls_connect_step1(struct connectdata *conn,
+                   int sockindex)
+{
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  unsigned int init_flags;
+  gnutls_session_t session;
+  int rc;
+  bool sni = TRUE; /* default is SNI enabled */
+  void *transport_ptr = NULL;
+  gnutls_push_func gnutls_transport_push = NULL;
+  gnutls_pull_func gnutls_transport_pull = NULL;
+#ifdef ENABLE_IPV6
+  struct in6_addr addr;
+#else
+  struct in_addr addr;
+#endif
+#ifndef USE_GNUTLS_PRIORITY_SET_DIRECT
+  static const int cipher_priority[] = {
+  /* These two ciphers were added to GnuTLS as late as ver. 3.0.1,
+     but this code path is only ever used for ver. < 2.12.0.
+     GNUTLS_CIPHER_AES_128_GCM,
+     GNUTLS_CIPHER_AES_256_GCM,
+  */
+    GNUTLS_CIPHER_AES_128_CBC,
+    GNUTLS_CIPHER_AES_256_CBC,
+    GNUTLS_CIPHER_CAMELLIA_128_CBC,
+    GNUTLS_CIPHER_CAMELLIA_256_CBC,
+    GNUTLS_CIPHER_3DES_CBC,
+  };
+  static const int cert_type_priority[] = { GNUTLS_CRT_X509, 0 };
+  int protocol_priority[] = { 0, 0, 0, 0 };
+#else
+  const char *prioritylist;
+  const char *err = NULL;
+#endif
+
+  const char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
+    conn->host.name;
+
+  if(connssl->state == ssl_connection_complete)
+    /* to make us tolerant against being called more than once for the
+       same connection */
+    return CURLE_OK;
+
+  if(!gtls_inited)
+    Curl_gtls_init();
+
+  if(SSL_CONN_CONFIG(version) == CURL_SSLVERSION_SSLv2) {
+    failf(data, "GnuTLS does not support SSLv2");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+  else if(SSL_CONN_CONFIG(version) == CURL_SSLVERSION_SSLv3)
+    sni = FALSE; /* SSLv3 has no SNI */
+
+  /* allocate a cred struct */
+  rc = gnutls_certificate_allocate_credentials(&BACKEND->cred);
+  if(rc != GNUTLS_E_SUCCESS) {
+    failf(data, "gnutls_cert_all_cred() failed: %s", gnutls_strerror(rc));
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+#ifdef USE_TLS_SRP
+  if(SSL_SET_OPTION(authtype) == CURL_TLSAUTH_SRP) {
+    infof(data, "Using TLS-SRP username: %s\n", SSL_SET_OPTION(username));
+
+    rc = gnutls_srp_allocate_client_credentials(
+           &BACKEND->srp_client_cred);
+    if(rc != GNUTLS_E_SUCCESS) {
+      failf(data, "gnutls_srp_allocate_client_cred() failed: %s",
+            gnutls_strerror(rc));
+      return CURLE_OUT_OF_MEMORY;
+    }
+
+    rc = gnutls_srp_set_client_credentials(BACKEND->srp_client_cred,
+                                           SSL_SET_OPTION(username),
+                                           SSL_SET_OPTION(password));
+    if(rc != GNUTLS_E_SUCCESS) {
+      failf(data, "gnutls_srp_set_client_cred() failed: %s",
+            gnutls_strerror(rc));
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    }
+  }
+#endif
+
+  if(SSL_CONN_CONFIG(CAfile)) {
+    /* set the trusted CA cert bundle file */
+    gnutls_certificate_set_verify_flags(BACKEND->cred,
+                                        GNUTLS_VERIFY_ALLOW_X509_V1_CA_CRT);
+
+    rc = gnutls_certificate_set_x509_trust_file(BACKEND->cred,
+                                                SSL_CONN_CONFIG(CAfile),
+                                                GNUTLS_X509_FMT_PEM);
+    if(rc < 0) {
+      infof(data, "error reading ca cert file %s (%s)\n",
+            SSL_CONN_CONFIG(CAfile), gnutls_strerror(rc));
+      if(SSL_CONN_CONFIG(verifypeer))
+        return CURLE_SSL_CACERT_BADFILE;
+    }
+    else
+      infof(data, "found %d certificates in %s\n", rc,
+            SSL_CONN_CONFIG(CAfile));
+  }
+
+#ifdef HAS_CAPATH
+  if(SSL_CONN_CONFIG(CApath)) {
+    /* set the trusted CA cert directory */
+    rc = gnutls_certificate_set_x509_trust_dir(BACKEND->cred,
+                                               SSL_CONN_CONFIG(CApath),
+                                               GNUTLS_X509_FMT_PEM);
+    if(rc < 0) {
+      infof(data, "error reading ca cert file %s (%s)\n",
+            SSL_CONN_CONFIG(CApath), gnutls_strerror(rc));
+      if(SSL_CONN_CONFIG(verifypeer))
+        return CURLE_SSL_CACERT_BADFILE;
+    }
+    else
+      infof(data, "found %d certificates in %s\n",
+            rc, SSL_CONN_CONFIG(CApath));
+  }
+#endif
+
+#ifdef CURL_CA_FALLBACK
+  /* use system ca certificate store as fallback */
+  if(SSL_CONN_CONFIG(verifypeer) &&
+     !(SSL_CONN_CONFIG(CAfile) || SSL_CONN_CONFIG(CApath))) {
+    gnutls_certificate_set_x509_system_trust(BACKEND->cred);
+  }
+#endif
+
+  if(SSL_SET_OPTION(CRLfile)) {
+    /* set the CRL list file */
+    rc = gnutls_certificate_set_x509_crl_file(BACKEND->cred,
+                                              SSL_SET_OPTION(CRLfile),
+                                              GNUTLS_X509_FMT_PEM);
+    if(rc < 0) {
+      failf(data, "error reading crl file %s (%s)",
+            SSL_SET_OPTION(CRLfile), gnutls_strerror(rc));
+      return CURLE_SSL_CRL_BADFILE;
+    }
+    else
+      infof(data, "found %d CRL in %s\n",
+            rc, SSL_SET_OPTION(CRLfile));
+  }
+
+  /* Initialize TLS session as a client */
+  init_flags = GNUTLS_CLIENT;
+
+#if defined(GNUTLS_NO_TICKETS)
+  /* Disable TLS session tickets */
+  init_flags |= GNUTLS_NO_TICKETS;
+#endif
+
+  rc = gnutls_init(&BACKEND->session, init_flags);
+  if(rc != GNUTLS_E_SUCCESS) {
+    failf(data, "gnutls_init() failed: %d", rc);
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  /* convenient assign */
+  session = BACKEND->session;
+
+  if((0 == Curl_inet_pton(AF_INET, hostname, &addr)) &&
+#ifdef ENABLE_IPV6
+     (0 == Curl_inet_pton(AF_INET6, hostname, &addr)) &&
+#endif
+     sni &&
+     (gnutls_server_name_set(session, GNUTLS_NAME_DNS, hostname,
+                             strlen(hostname)) < 0))
+    infof(data, "WARNING: failed to configure server name indication (SNI) "
+          "TLS extension\n");
+
+  /* Use default priorities */
+  rc = gnutls_set_default_priority(session);
+  if(rc != GNUTLS_E_SUCCESS)
+    return CURLE_SSL_CONNECT_ERROR;
+
+#ifndef USE_GNUTLS_PRIORITY_SET_DIRECT
+  rc = gnutls_cipher_set_priority(session, cipher_priority);
+  if(rc != GNUTLS_E_SUCCESS)
+    return CURLE_SSL_CONNECT_ERROR;
+
+  /* Sets the priority on the certificate types supported by gnutls. Priority
+   is higher for types specified before others. After specifying the types
+   you want, you must append a 0. */
+  rc = gnutls_certificate_type_set_priority(session, cert_type_priority);
+  if(rc != GNUTLS_E_SUCCESS)
+    return CURLE_SSL_CONNECT_ERROR;
+
+  if(SSL_CONN_CONFIG(cipher_list) != NULL) {
+    failf(data, "can't pass a custom cipher list to older GnuTLS"
+          " versions");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  switch(SSL_CONN_CONFIG(version)) {
+    case CURL_SSLVERSION_SSLv3:
+      protocol_priority[0] = GNUTLS_SSL3;
+      break;
+    case CURL_SSLVERSION_DEFAULT:
+    case CURL_SSLVERSION_TLSv1:
+      protocol_priority[0] = GNUTLS_TLS1_0;
+      protocol_priority[1] = GNUTLS_TLS1_1;
+      protocol_priority[2] = GNUTLS_TLS1_2;
+#ifdef HAS_TLS13
+      protocol_priority[3] = GNUTLS_TLS1_3;
+#endif
+      break;
+    case CURL_SSLVERSION_TLSv1_0:
+    case CURL_SSLVERSION_TLSv1_1:
+    case CURL_SSLVERSION_TLSv1_2:
+    case CURL_SSLVERSION_TLSv1_3:
+      {
+        CURLcode result = set_ssl_version_min_max(protocol_priority,
+                sizeof(protocol_priority)/sizeof(protocol_priority[0]), conn);
+        if(result != CURLE_OK)
+          return result;
+        break;
+      }
+    case CURL_SSLVERSION_SSLv2:
+      failf(data, "GnuTLS does not support SSLv2");
+      return CURLE_SSL_CONNECT_ERROR;
+    default:
+      failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
+      return CURLE_SSL_CONNECT_ERROR;
+  }
+  rc = gnutls_protocol_set_priority(session, protocol_priority);
+  if(rc != GNUTLS_E_SUCCESS) {
+    failf(data, "Did you pass a valid GnuTLS cipher list?");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+#else
+  /* Ensure +SRP comes at the *end* of all relevant strings so that it can be
+   * removed if a run-time error indicates that SRP is not supported by this
+   * GnuTLS version */
+  switch(SSL_CONN_CONFIG(version)) {
+    case CURL_SSLVERSION_SSLv3:
+      prioritylist = GNUTLS_CIPHERS ":-VERS-TLS-ALL:+VERS-SSL3.0";
+      break;
+    case CURL_SSLVERSION_DEFAULT:
+    case CURL_SSLVERSION_TLSv1:
+      prioritylist = GNUTLS_CIPHERS ":-VERS-SSL3.0:"
+#ifdef HAS_TLS13
+                     "+VERS-TLS1.3:"
+#endif
+                     GNUTLS_SRP;
+      break;
+    case CURL_SSLVERSION_TLSv1_0:
+    case CURL_SSLVERSION_TLSv1_1:
+    case CURL_SSLVERSION_TLSv1_2:
+    case CURL_SSLVERSION_TLSv1_3:
+      {
+        CURLcode result = set_ssl_version_min_max(&prioritylist, conn);
+        if(result != CURLE_OK)
+          return result;
+        break;
+      }
+    case CURL_SSLVERSION_SSLv2:
+      failf(data, "GnuTLS does not support SSLv2");
+      return CURLE_SSL_CONNECT_ERROR;
+    default:
+      failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
+      return CURLE_SSL_CONNECT_ERROR;
+  }
+  rc = gnutls_priority_set_direct(session, prioritylist, &err);
+  if((rc == GNUTLS_E_INVALID_REQUEST) && err) {
+    if(!strcmp(err, GNUTLS_SRP)) {
+      /* This GnuTLS was probably compiled without support for SRP.
+       * Note that fact and try again without it. */
+      int validprioritylen = curlx_uztosi(err - prioritylist);
+      char *prioritycopy = strdup(prioritylist);
+      if(!prioritycopy)
+        return CURLE_OUT_OF_MEMORY;
+
+      infof(data, "This GnuTLS does not support SRP\n");
+      if(validprioritylen)
+        /* Remove the :+SRP */
+        prioritycopy[validprioritylen - 1] = 0;
+      rc = gnutls_priority_set_direct(session, prioritycopy, &err);
+      free(prioritycopy);
+    }
+  }
+  if(rc != GNUTLS_E_SUCCESS) {
+    failf(data, "Error %d setting GnuTLS cipher list starting with %s",
+          rc, err);
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+#endif
+
+#ifdef HAS_ALPN
+  if(conn->bits.tls_enable_alpn) {
+    int cur = 0;
+    gnutls_datum_t protocols[2];
+
+#ifdef USE_NGHTTP2
+    if(data->set.httpversion >= CURL_HTTP_VERSION_2 &&
+       (!SSL_IS_PROXY() || !conn->bits.tunnel_proxy)) {
+      protocols[cur].data = (unsigned char *)NGHTTP2_PROTO_VERSION_ID;
+      protocols[cur].size = NGHTTP2_PROTO_VERSION_ID_LEN;
+      cur++;
+      infof(data, "ALPN, offering %s\n", NGHTTP2_PROTO_VERSION_ID);
+    }
+#endif
+
+    protocols[cur].data = (unsigned char *)ALPN_HTTP_1_1;
+    protocols[cur].size = ALPN_HTTP_1_1_LENGTH;
+    cur++;
+    infof(data, "ALPN, offering %s\n", ALPN_HTTP_1_1);
+
+    gnutls_alpn_set_protocols(session, protocols, cur, 0);
+  }
+#endif
+
+  if(SSL_SET_OPTION(cert)) {
+    if(SSL_SET_OPTION(key_passwd)) {
+#if HAVE_GNUTLS_CERTIFICATE_SET_X509_KEY_FILE2
+      const unsigned int supported_key_encryption_algorithms =
+        GNUTLS_PKCS_USE_PKCS12_3DES | GNUTLS_PKCS_USE_PKCS12_ARCFOUR |
+        GNUTLS_PKCS_USE_PKCS12_RC2_40 | GNUTLS_PKCS_USE_PBES2_3DES |
+        GNUTLS_PKCS_USE_PBES2_AES_128 | GNUTLS_PKCS_USE_PBES2_AES_192 |
+        GNUTLS_PKCS_USE_PBES2_AES_256;
+      rc = gnutls_certificate_set_x509_key_file2(
+           BACKEND->cred,
+           SSL_SET_OPTION(cert),
+           SSL_SET_OPTION(key) ?
+           SSL_SET_OPTION(key) : SSL_SET_OPTION(cert),
+           do_file_type(SSL_SET_OPTION(cert_type)),
+           SSL_SET_OPTION(key_passwd),
+           supported_key_encryption_algorithms);
+      if(rc != GNUTLS_E_SUCCESS) {
+        failf(data,
+              "error reading X.509 potentially-encrypted key file: %s",
+              gnutls_strerror(rc));
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+#else
+      failf(data, "gnutls lacks support for encrypted key files");
+      return CURLE_SSL_CONNECT_ERROR;
+#endif
+    }
+    else {
+      if(gnutls_certificate_set_x509_key_file(
+           BACKEND->cred,
+           SSL_SET_OPTION(cert),
+           SSL_SET_OPTION(key) ?
+           SSL_SET_OPTION(key) : SSL_SET_OPTION(cert),
+           do_file_type(SSL_SET_OPTION(cert_type)) ) !=
+         GNUTLS_E_SUCCESS) {
+        failf(data, "error reading X.509 key or certificate file");
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+    }
+  }
+
+#ifdef USE_TLS_SRP
+  /* put the credentials to the current session */
+  if(SSL_SET_OPTION(authtype) == CURL_TLSAUTH_SRP) {
+    rc = gnutls_credentials_set(session, GNUTLS_CRD_SRP,
+                                BACKEND->srp_client_cred);
+    if(rc != GNUTLS_E_SUCCESS) {
+      failf(data, "gnutls_credentials_set() failed: %s", gnutls_strerror(rc));
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+  }
+  else
+#endif
+  {
+    rc = gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE,
+                                BACKEND->cred);
+    if(rc != GNUTLS_E_SUCCESS) {
+      failf(data, "gnutls_credentials_set() failed: %s", gnutls_strerror(rc));
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+  }
+
+  if(conn->proxy_ssl[sockindex].use) {
+    transport_ptr = conn->proxy_ssl[sockindex].backend->session;
+    gnutls_transport_push = Curl_gtls_push_ssl;
+    gnutls_transport_pull = Curl_gtls_pull_ssl;
+  }
+  else {
+    /* file descriptor for the socket */
+    transport_ptr = &conn->sock[sockindex];
+    gnutls_transport_push = Curl_gtls_push;
+    gnutls_transport_pull = Curl_gtls_pull;
+  }
+
+  /* set the connection handle */
+  gnutls_transport_set_ptr(session, transport_ptr);
+
+  /* register callback functions to send and receive data. */
+  gnutls_transport_set_push_function(session, gnutls_transport_push);
+  gnutls_transport_set_pull_function(session, gnutls_transport_pull);
+
+  /* lowat must be set to zero when using custom push and pull functions. */
+  gnutls_transport_set_lowat(session, 0);
+
+#ifdef HAS_OCSP
+  if(SSL_CONN_CONFIG(verifystatus)) {
+    rc = gnutls_ocsp_status_request_enable_client(session, NULL, 0, NULL);
+    if(rc != GNUTLS_E_SUCCESS) {
+      failf(data, "gnutls_ocsp_status_request_enable_client() failed: %d", rc);
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+  }
+#endif
+
+  /* This might be a reconnect, so we check for a session ID in the cache
+     to speed up things */
+  if(SSL_SET_OPTION(primary.sessionid)) {
+    void *ssl_sessionid;
+    size_t ssl_idsize;
+
+    Curl_ssl_sessionid_lock(conn);
+    if(!Curl_ssl_getsessionid(conn, &ssl_sessionid, &ssl_idsize, sockindex)) {
+      /* we got a session id, use it! */
+      gnutls_session_set_data(session, ssl_sessionid, ssl_idsize);
+
+      /* Informational message */
+      infof(data, "SSL re-using session ID\n");
+    }
+    Curl_ssl_sessionid_unlock(conn);
+  }
+
+  return CURLE_OK;
+}
+
+static CURLcode pkp_pin_peer_pubkey(struct Curl_easy *data,
+                                    gnutls_x509_crt_t cert,
+                                    const char *pinnedpubkey)
+{
+  /* Scratch */
+  size_t len1 = 0, len2 = 0;
+  unsigned char *buff1 = NULL;
+
+  gnutls_pubkey_t key = NULL;
+
+  /* Result is returned to caller */
+  int ret = 0;
+  CURLcode result = CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+
+  /* if a path wasn't specified, don't pin */
+  if(NULL == pinnedpubkey)
+    return CURLE_OK;
+
+  if(NULL == cert)
+    return result;
+
+  do {
+    /* Begin Gyrations to get the public key     */
+    gnutls_pubkey_init(&key);
+
+    ret = gnutls_pubkey_import_x509(key, cert, 0);
+    if(ret < 0)
+      break; /* failed */
+
+    ret = gnutls_pubkey_export(key, GNUTLS_X509_FMT_DER, NULL, &len1);
+    if(ret != GNUTLS_E_SHORT_MEMORY_BUFFER || len1 == 0)
+      break; /* failed */
+
+    buff1 = malloc(len1);
+    if(NULL == buff1)
+      break; /* failed */
+
+    len2 = len1;
+
+    ret = gnutls_pubkey_export(key, GNUTLS_X509_FMT_DER, buff1, &len2);
+    if(ret < 0 || len1 != len2)
+      break; /* failed */
+
+    /* End Gyrations */
+
+    /* The one good exit point */
+    result = Curl_pin_peer_pubkey(data, pinnedpubkey, buff1, len1);
+  } while(0);
+
+  if(NULL != key)
+    gnutls_pubkey_deinit(key);
+
+  Curl_safefree(buff1);
+
+  return result;
+}
+
+static Curl_recv gtls_recv;
+static Curl_send gtls_send;
+
+static CURLcode
+gtls_connect_step3(struct connectdata *conn,
+                   int sockindex)
+{
+  unsigned int cert_list_size;
+  const gnutls_datum_t *chainp;
+  unsigned int verify_status = 0;
+  gnutls_x509_crt_t x509_cert, x509_issuer;
+  gnutls_datum_t issuerp;
+  char certbuf[256] = ""; /* big enough? */
+  size_t size;
+  time_t certclock;
+  const char *ptr;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  gnutls_session_t session = BACKEND->session;
+  int rc;
+#ifdef HAS_ALPN
+  gnutls_datum_t proto;
+#endif
+  CURLcode result = CURLE_OK;
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+  unsigned int algo;
+  unsigned int bits;
+  gnutls_protocol_t version = gnutls_protocol_get_version(session);
+#endif
+  const char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
+    conn->host.name;
+
+  /* the name of the cipher suite used, e.g. ECDHE_RSA_AES_256_GCM_SHA384. */
+  ptr = gnutls_cipher_suite_get_name(gnutls_kx_get(session),
+                                     gnutls_cipher_get(session),
+                                     gnutls_mac_get(session));
+
+  infof(data, "SSL connection using %s / %s\n",
+        gnutls_protocol_get_name(version), ptr);
+
+  /* This function will return the peer's raw certificate (chain) as sent by
+     the peer. These certificates are in raw format (DER encoded for
+     X.509). In case of a X.509 then a certificate list may be present. The
+     first certificate in the list is the peer's certificate, following the
+     issuer's certificate, then the issuer's issuer etc. */
+
+  chainp = gnutls_certificate_get_peers(session, &cert_list_size);
+  if(!chainp) {
+    if(SSL_CONN_CONFIG(verifypeer) ||
+       SSL_CONN_CONFIG(verifyhost) ||
+       SSL_SET_OPTION(issuercert)) {
+#ifdef USE_TLS_SRP
+      if(SSL_SET_OPTION(authtype) == CURL_TLSAUTH_SRP
+         && SSL_SET_OPTION(username) != NULL
+         && !SSL_CONN_CONFIG(verifypeer)
+         && gnutls_cipher_get(session)) {
+        /* no peer cert, but auth is ok if we have SRP user and cipher and no
+           peer verify */
+      }
+      else {
+#endif
+        failf(data, "failed to get server cert");
+        return CURLE_PEER_FAILED_VERIFICATION;
+#ifdef USE_TLS_SRP
+      }
+#endif
+    }
+    infof(data, "\t common name: WARNING couldn't obtain\n");
+  }
+
+  if(data->set.ssl.certinfo && chainp) {
+    unsigned int i;
+
+    result = Curl_ssl_init_certinfo(data, cert_list_size);
+    if(result)
+      return result;
+
+    for(i = 0; i < cert_list_size; i++) {
+      const char *beg = (const char *) chainp[i].data;
+      const char *end = beg + chainp[i].size;
+
+      result = Curl_extract_certinfo(conn, i, beg, end);
+      if(result)
+        return result;
+    }
+  }
+
+  if(SSL_CONN_CONFIG(verifypeer)) {
+    /* This function will try to verify the peer's certificate and return its
+       status (trusted, invalid etc.). The value of status should be one or
+       more of the gnutls_certificate_status_t enumerated elements bitwise
+       or'd. To avoid denial of service attacks some default upper limits
+       regarding the certificate key size and chain size are set. To override
+       them use gnutls_certificate_set_verify_limits(). */
+
+    rc = gnutls_certificate_verify_peers2(session, &verify_status);
+    if(rc < 0) {
+      failf(data, "server cert verify failed: %d", rc);
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+
+    /* verify_status is a bitmask of gnutls_certificate_status bits */
+    if(verify_status & GNUTLS_CERT_INVALID) {
+      if(SSL_CONN_CONFIG(verifypeer)) {
+        failf(data, "server certificate verification failed. CAfile: %s "
+              "CRLfile: %s", SSL_CONN_CONFIG(CAfile) ? SSL_CONN_CONFIG(CAfile):
+              "none",
+              SSL_SET_OPTION(CRLfile)?SSL_SET_OPTION(CRLfile):"none");
+        return CURLE_PEER_FAILED_VERIFICATION;
+      }
+      else
+        infof(data, "\t server certificate verification FAILED\n");
+    }
+    else
+      infof(data, "\t server certificate verification OK\n");
+  }
+  else
+    infof(data, "\t server certificate verification SKIPPED\n");
+
+#ifdef HAS_OCSP
+  if(SSL_CONN_CONFIG(verifystatus)) {
+    if(gnutls_ocsp_status_request_is_checked(session, 0) == 0) {
+      gnutls_datum_t status_request;
+      gnutls_ocsp_resp_t ocsp_resp;
+
+      gnutls_ocsp_cert_status_t status;
+      gnutls_x509_crl_reason_t reason;
+
+      rc = gnutls_ocsp_status_request_get(session, &status_request);
+
+      infof(data, "\t server certificate status verification FAILED\n");
+
+      if(rc == GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE) {
+        failf(data, "No OCSP response received");
+        return CURLE_SSL_INVALIDCERTSTATUS;
+      }
+
+      if(rc < 0) {
+        failf(data, "Invalid OCSP response received");
+        return CURLE_SSL_INVALIDCERTSTATUS;
+      }
+
+      gnutls_ocsp_resp_init(&ocsp_resp);
+
+      rc = gnutls_ocsp_resp_import(ocsp_resp, &status_request);
+      if(rc < 0) {
+        failf(data, "Invalid OCSP response received");
+        return CURLE_SSL_INVALIDCERTSTATUS;
+      }
+
+      (void)gnutls_ocsp_resp_get_single(ocsp_resp, 0, NULL, NULL, NULL, NULL,
+                                        &status, NULL, NULL, NULL, &reason);
+
+      switch(status) {
+      case GNUTLS_OCSP_CERT_GOOD:
+        break;
+
+      case GNUTLS_OCSP_CERT_REVOKED: {
+        const char *crl_reason;
+
+        switch(reason) {
+          default:
+          case GNUTLS_X509_CRLREASON_UNSPECIFIED:
+            crl_reason = "unspecified reason";
+            break;
+
+          case GNUTLS_X509_CRLREASON_KEYCOMPROMISE:
+            crl_reason = "private key compromised";
+            break;
+
+          case GNUTLS_X509_CRLREASON_CACOMPROMISE:
+            crl_reason = "CA compromised";
+            break;
+
+          case GNUTLS_X509_CRLREASON_AFFILIATIONCHANGED:
+            crl_reason = "affiliation has changed";
+            break;
+
+          case GNUTLS_X509_CRLREASON_SUPERSEDED:
+            crl_reason = "certificate superseded";
+            break;
+
+          case GNUTLS_X509_CRLREASON_CESSATIONOFOPERATION:
+            crl_reason = "operation has ceased";
+            break;
+
+          case GNUTLS_X509_CRLREASON_CERTIFICATEHOLD:
+            crl_reason = "certificate is on hold";
+            break;
+
+          case GNUTLS_X509_CRLREASON_REMOVEFROMCRL:
+            crl_reason = "will be removed from delta CRL";
+            break;
+
+          case GNUTLS_X509_CRLREASON_PRIVILEGEWITHDRAWN:
+            crl_reason = "privilege withdrawn";
+            break;
+
+          case GNUTLS_X509_CRLREASON_AACOMPROMISE:
+            crl_reason = "AA compromised";
+            break;
+        }
+
+        failf(data, "Server certificate was revoked: %s", crl_reason);
+        break;
+      }
+
+      default:
+      case GNUTLS_OCSP_CERT_UNKNOWN:
+        failf(data, "Server certificate status is unknown");
+        break;
+      }
+
+      gnutls_ocsp_resp_deinit(ocsp_resp);
+
+      return CURLE_SSL_INVALIDCERTSTATUS;
+    }
+    else
+      infof(data, "\t server certificate status verification OK\n");
+  }
+  else
+    infof(data, "\t server certificate status verification SKIPPED\n");
+#endif
+
+  /* initialize an X.509 certificate structure. */
+  gnutls_x509_crt_init(&x509_cert);
+
+  if(chainp)
+    /* convert the given DER or PEM encoded Certificate to the native
+       gnutls_x509_crt_t format */
+    gnutls_x509_crt_import(x509_cert, chainp, GNUTLS_X509_FMT_DER);
+
+  if(SSL_SET_OPTION(issuercert)) {
+    gnutls_x509_crt_init(&x509_issuer);
+    issuerp = load_file(SSL_SET_OPTION(issuercert));
+    gnutls_x509_crt_import(x509_issuer, &issuerp, GNUTLS_X509_FMT_PEM);
+    rc = gnutls_x509_crt_check_issuer(x509_cert, x509_issuer);
+    gnutls_x509_crt_deinit(x509_issuer);
+    unload_file(issuerp);
+    if(rc <= 0) {
+      failf(data, "server certificate issuer check failed (IssuerCert: %s)",
+            SSL_SET_OPTION(issuercert)?SSL_SET_OPTION(issuercert):"none");
+      gnutls_x509_crt_deinit(x509_cert);
+      return CURLE_SSL_ISSUER_ERROR;
+    }
+    infof(data, "\t server certificate issuer check OK (Issuer Cert: %s)\n",
+          SSL_SET_OPTION(issuercert)?SSL_SET_OPTION(issuercert):"none");
+  }
+
+  size = sizeof(certbuf);
+  rc = gnutls_x509_crt_get_dn_by_oid(x509_cert, GNUTLS_OID_X520_COMMON_NAME,
+                                     0, /* the first and only one */
+                                     FALSE,
+                                     certbuf,
+                                     &size);
+  if(rc) {
+    infof(data, "error fetching CN from cert:%s\n",
+          gnutls_strerror(rc));
+  }
+
+  /* This function will check if the given certificate's subject matches the
+     given hostname. This is a basic implementation of the matching described
+     in RFC2818 (HTTPS), which takes into account wildcards, and the subject
+     alternative name PKIX extension. Returns non zero on success, and zero on
+     failure. */
+  rc = gnutls_x509_crt_check_hostname(x509_cert, hostname);
+#if GNUTLS_VERSION_NUMBER < 0x030306
+  /* Before 3.3.6, gnutls_x509_crt_check_hostname() didn't check IP
+     addresses. */
+  if(!rc) {
+#ifdef ENABLE_IPV6
+    #define use_addr in6_addr
+#else
+    #define use_addr in_addr
+#endif
+    unsigned char addrbuf[sizeof(struct use_addr)];
+    unsigned char certaddr[sizeof(struct use_addr)];
+    size_t addrlen = 0, certaddrlen;
+    int i;
+    int ret = 0;
+
+    if(Curl_inet_pton(AF_INET, hostname, addrbuf) > 0)
+      addrlen = 4;
+#ifdef ENABLE_IPV6
+    else if(Curl_inet_pton(AF_INET6, hostname, addrbuf) > 0)
+      addrlen = 16;
+#endif
+
+    if(addrlen) {
+      for(i = 0; ; i++) {
+        certaddrlen = sizeof(certaddr);
+        ret = gnutls_x509_crt_get_subject_alt_name(x509_cert, i, certaddr,
+                                                   &certaddrlen, NULL);
+        /* If this happens, it wasn't an IP address. */
+        if(ret == GNUTLS_E_SHORT_MEMORY_BUFFER)
+          continue;
+        if(ret < 0)
+          break;
+        if(ret != GNUTLS_SAN_IPADDRESS)
+          continue;
+        if(certaddrlen == addrlen && !memcmp(addrbuf, certaddr, addrlen)) {
+          rc = 1;
+          break;
+        }
+      }
+    }
+  }
+#endif
+  if(!rc) {
+    const char * const dispname = SSL_IS_PROXY() ?
+      conn->http_proxy.host.dispname : conn->host.dispname;
+
+    if(SSL_CONN_CONFIG(verifyhost)) {
+      failf(data, "SSL: certificate subject name (%s) does not match "
+            "target host name '%s'", certbuf, dispname);
+      gnutls_x509_crt_deinit(x509_cert);
+      return CURLE_PEER_FAILED_VERIFICATION;
+    }
+    else
+      infof(data, "\t common name: %s (does not match '%s')\n",
+            certbuf, dispname);
+  }
+  else
+    infof(data, "\t common name: %s (matched)\n", certbuf);
+
+  /* Check for time-based validity */
+  certclock = gnutls_x509_crt_get_expiration_time(x509_cert);
+
+  if(certclock == (time_t)-1) {
+    if(SSL_CONN_CONFIG(verifypeer)) {
+      failf(data, "server cert expiration date verify failed");
+      gnutls_x509_crt_deinit(x509_cert);
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+    else
+      infof(data, "\t server certificate expiration date verify FAILED\n");
+  }
+  else {
+    if(certclock < time(NULL)) {
+      if(SSL_CONN_CONFIG(verifypeer)) {
+        failf(data, "server certificate expiration date has passed.");
+        gnutls_x509_crt_deinit(x509_cert);
+        return CURLE_PEER_FAILED_VERIFICATION;
+      }
+      else
+        infof(data, "\t server certificate expiration date FAILED\n");
+    }
+    else
+      infof(data, "\t server certificate expiration date OK\n");
+  }
+
+  certclock = gnutls_x509_crt_get_activation_time(x509_cert);
+
+  if(certclock == (time_t)-1) {
+    if(SSL_CONN_CONFIG(verifypeer)) {
+      failf(data, "server cert activation date verify failed");
+      gnutls_x509_crt_deinit(x509_cert);
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+    else
+      infof(data, "\t server certificate activation date verify FAILED\n");
+  }
+  else {
+    if(certclock > time(NULL)) {
+      if(SSL_CONN_CONFIG(verifypeer)) {
+        failf(data, "server certificate not activated yet.");
+        gnutls_x509_crt_deinit(x509_cert);
+        return CURLE_PEER_FAILED_VERIFICATION;
+      }
+      else
+        infof(data, "\t server certificate activation date FAILED\n");
+    }
+    else
+      infof(data, "\t server certificate activation date OK\n");
+  }
+
+  ptr = SSL_IS_PROXY() ? data->set.str[STRING_SSL_PINNEDPUBLICKEY_PROXY] :
+        data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG];
+  if(ptr) {
+    result = pkp_pin_peer_pubkey(data, x509_cert, ptr);
+    if(result != CURLE_OK) {
+      failf(data, "SSL: public key does not match pinned public key!");
+      gnutls_x509_crt_deinit(x509_cert);
+      return result;
+    }
+  }
+
+  /* Show:
+
+  - subject
+  - start date
+  - expire date
+  - common name
+  - issuer
+
+  */
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+  /* public key algorithm's parameters */
+  algo = gnutls_x509_crt_get_pk_algorithm(x509_cert, &bits);
+  infof(data, "\t certificate public key: %s\n",
+        gnutls_pk_algorithm_get_name(algo));
+
+  /* version of the X.509 certificate. */
+  infof(data, "\t certificate version: #%d\n",
+        gnutls_x509_crt_get_version(x509_cert));
+
+
+  size = sizeof(certbuf);
+  gnutls_x509_crt_get_dn(x509_cert, certbuf, &size);
+  infof(data, "\t subject: %s\n", certbuf);
+
+  certclock = gnutls_x509_crt_get_activation_time(x509_cert);
+  showtime(data, "start date", certclock);
+
+  certclock = gnutls_x509_crt_get_expiration_time(x509_cert);
+  showtime(data, "expire date", certclock);
+
+  size = sizeof(certbuf);
+  gnutls_x509_crt_get_issuer_dn(x509_cert, certbuf, &size);
+  infof(data, "\t issuer: %s\n", certbuf);
+
+  /* compression algorithm (if any) */
+  ptr = gnutls_compression_get_name(gnutls_compression_get(session));
+  /* the *_get_name() says "NULL" if GNUTLS_COMP_NULL is returned */
+  infof(data, "\t compression: %s\n", ptr);
+#endif
+
+  gnutls_x509_crt_deinit(x509_cert);
+
+#ifdef HAS_ALPN
+  if(conn->bits.tls_enable_alpn) {
+    rc = gnutls_alpn_get_selected_protocol(session, &proto);
+    if(rc == 0) {
+      infof(data, "ALPN, server accepted to use %.*s\n", proto.size,
+          proto.data);
+
+#ifdef USE_NGHTTP2
+      if(proto.size == NGHTTP2_PROTO_VERSION_ID_LEN &&
+         !memcmp(NGHTTP2_PROTO_VERSION_ID, proto.data,
+                 NGHTTP2_PROTO_VERSION_ID_LEN)) {
+        conn->negnpn = CURL_HTTP_VERSION_2;
+      }
+      else
+#endif
+      if(proto.size == ALPN_HTTP_1_1_LENGTH &&
+         !memcmp(ALPN_HTTP_1_1, proto.data, ALPN_HTTP_1_1_LENGTH)) {
+        conn->negnpn = CURL_HTTP_VERSION_1_1;
+      }
+    }
+    else
+      infof(data, "ALPN, server did not agree to a protocol\n");
+  }
+#endif
+
+  conn->ssl[sockindex].state = ssl_connection_complete;
+  conn->recv[sockindex] = gtls_recv;
+  conn->send[sockindex] = gtls_send;
+
+  if(SSL_SET_OPTION(primary.sessionid)) {
+    /* we always unconditionally get the session id here, as even if we
+       already got it from the cache and asked to use it in the connection, it
+       might've been rejected and then a new one is in use now and we need to
+       detect that. */
+    bool incache;
+    void *ssl_sessionid;
+    void *connect_sessionid;
+    size_t connect_idsize = 0;
+
+    /* get the session ID data size */
+    gnutls_session_get_data(session, NULL, &connect_idsize);
+    connect_sessionid = malloc(connect_idsize); /* get a buffer for it */
+
+    if(connect_sessionid) {
+      /* extract session ID to the allocated buffer */
+      gnutls_session_get_data(session, connect_sessionid, &connect_idsize);
+
+      Curl_ssl_sessionid_lock(conn);
+      incache = !(Curl_ssl_getsessionid(conn, &ssl_sessionid, NULL,
+                                        sockindex));
+      if(incache) {
+        /* there was one before in the cache, so instead of risking that the
+           previous one was rejected, we just kill that and store the new */
+        Curl_ssl_delsessionid(conn, ssl_sessionid);
+      }
+
+      /* store this session id */
+      result = Curl_ssl_addsessionid(conn, connect_sessionid, connect_idsize,
+                                     sockindex);
+      Curl_ssl_sessionid_unlock(conn);
+      if(result) {
+        free(connect_sessionid);
+        result = CURLE_OUT_OF_MEMORY;
+      }
+    }
+    else
+      result = CURLE_OUT_OF_MEMORY;
+  }
+
+  return result;
+}
+
+
+/*
+ * This function is called after the TCP connect has completed. Setup the TLS
+ * layer and do all necessary magic.
+ */
+/* We use connssl->connecting_state to keep track of the connection status;
+   there are three states: 'ssl_connect_1' (not started yet or complete),
+   'ssl_connect_2_reading' (waiting for data from server), and
+   'ssl_connect_2_writing' (waiting to be able to write).
+ */
+static CURLcode
+gtls_connect_common(struct connectdata *conn,
+                    int sockindex,
+                    bool nonblocking,
+                    bool *done)
+{
+  int rc;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+
+  /* Initiate the connection, if not already done */
+  if(ssl_connect_1 == connssl->connecting_state) {
+    rc = gtls_connect_step1(conn, sockindex);
+    if(rc)
+      return rc;
+  }
+
+  rc = handshake(conn, sockindex, TRUE, nonblocking);
+  if(rc)
+    /* handshake() sets its own error message with failf() */
+    return rc;
+
+  /* Finish connecting once the handshake is done */
+  if(ssl_connect_1 == connssl->connecting_state) {
+    rc = gtls_connect_step3(conn, sockindex);
+    if(rc)
+      return rc;
+  }
+
+  *done = ssl_connect_1 == connssl->connecting_state;
+
+  return CURLE_OK;
+}
+
+static CURLcode Curl_gtls_connect_nonblocking(struct connectdata *conn,
+                                              int sockindex, bool *done)
+{
+  return gtls_connect_common(conn, sockindex, TRUE, done);
+}
+
+static CURLcode Curl_gtls_connect(struct connectdata *conn, int sockindex)
+{
+  CURLcode result;
+  bool done = FALSE;
+
+  result = gtls_connect_common(conn, sockindex, FALSE, &done);
+  if(result)
+    return result;
+
+  DEBUGASSERT(done);
+
+  return CURLE_OK;
+}
+
+static bool Curl_gtls_data_pending(const struct connectdata *conn,
+                                   int connindex)
+{
+  const struct ssl_connect_data *connssl = &conn->ssl[connindex];
+  bool res = FALSE;
+  if(BACKEND->session &&
+     0 != gnutls_record_check_pending(BACKEND->session))
+    res = TRUE;
+
+  connssl = &conn->proxy_ssl[connindex];
+  if(BACKEND->session &&
+     0 != gnutls_record_check_pending(BACKEND->session))
+    res = TRUE;
+
+  return res;
+}
+
+static ssize_t gtls_send(struct connectdata *conn,
+                         int sockindex,
+                         const void *mem,
+                         size_t len,
+                         CURLcode *curlcode)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  ssize_t rc = gnutls_record_send(BACKEND->session, mem, len);
+
+  if(rc < 0) {
+    *curlcode = (rc == GNUTLS_E_AGAIN)
+      ? CURLE_AGAIN
+      : CURLE_SEND_ERROR;
+
+    rc = -1;
+  }
+
+  return rc;
+}
+
+static void close_one(struct ssl_connect_data *connssl)
+{
+  if(BACKEND->session) {
+    gnutls_bye(BACKEND->session, GNUTLS_SHUT_RDWR);
+    gnutls_deinit(BACKEND->session);
+    BACKEND->session = NULL;
+  }
+  if(BACKEND->cred) {
+    gnutls_certificate_free_credentials(BACKEND->cred);
+    BACKEND->cred = NULL;
+  }
+#ifdef USE_TLS_SRP
+  if(BACKEND->srp_client_cred) {
+    gnutls_srp_free_client_credentials(BACKEND->srp_client_cred);
+    BACKEND->srp_client_cred = NULL;
+  }
+#endif
+}
+
+static void Curl_gtls_close(struct connectdata *conn, int sockindex)
+{
+  close_one(&conn->ssl[sockindex]);
+  close_one(&conn->proxy_ssl[sockindex]);
+}
+
+/*
+ * This function is called to shut down the SSL layer but keep the
+ * socket open (CCC - Clear Command Channel)
+ */
+static int Curl_gtls_shutdown(struct connectdata *conn, int sockindex)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  ssize_t result;
+  int retval = 0;
+  struct Curl_easy *data = conn->data;
+  bool done = FALSE;
+  char buf[120];
+
+  /* This has only been tested on the proftpd server, and the mod_tls code
+     sends a close notify alert without waiting for a close notify alert in
+     response. Thus we wait for a close notify alert from the server, but
+     we do not send one. Let's hope other servers do the same... */
+
+  if(data->set.ftp_ccc == CURLFTPSSL_CCC_ACTIVE)
+      gnutls_bye(BACKEND->session, GNUTLS_SHUT_WR);
+
+  if(BACKEND->session) {
+    while(!done) {
+      int what = SOCKET_READABLE(conn->sock[sockindex],
+                                 SSL_SHUTDOWN_TIMEOUT);
+      if(what > 0) {
+        /* Something to read, let's do it and hope that it is the close
+           notify alert from the server */
+        result = gnutls_record_recv(BACKEND->session,
+                                    buf, sizeof(buf));
+        switch(result) {
+        case 0:
+          /* This is the expected response. There was no data but only
+             the close notify alert */
+          done = TRUE;
+          break;
+        case GNUTLS_E_AGAIN:
+        case GNUTLS_E_INTERRUPTED:
+          infof(data, "GNUTLS_E_AGAIN || GNUTLS_E_INTERRUPTED\n");
+          break;
+        default:
+          retval = -1;
+          done = TRUE;
+          break;
+        }
+      }
+      else if(0 == what) {
+        /* timeout */
+        failf(data, "SSL shutdown timeout");
+        done = TRUE;
+      }
+      else {
+        /* anything that gets here is fatally bad */
+        failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
+        retval = -1;
+        done = TRUE;
+      }
+    }
+    gnutls_deinit(BACKEND->session);
+  }
+  gnutls_certificate_free_credentials(BACKEND->cred);
+
+#ifdef USE_TLS_SRP
+  if(SSL_SET_OPTION(authtype) == CURL_TLSAUTH_SRP
+     && SSL_SET_OPTION(username) != NULL)
+    gnutls_srp_free_client_credentials(BACKEND->srp_client_cred);
+#endif
+
+  BACKEND->cred = NULL;
+  BACKEND->session = NULL;
+
+  return retval;
+}
+
+static ssize_t gtls_recv(struct connectdata *conn, /* connection data */
+                         int num,                  /* socketindex */
+                         char *buf,                /* store read data here */
+                         size_t buffersize,        /* max amount to read */
+                         CURLcode *curlcode)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[num];
+  ssize_t ret;
+
+  ret = gnutls_record_recv(BACKEND->session, buf, buffersize);
+  if((ret == GNUTLS_E_AGAIN) || (ret == GNUTLS_E_INTERRUPTED)) {
+    *curlcode = CURLE_AGAIN;
+    return -1;
+  }
+
+  if(ret == GNUTLS_E_REHANDSHAKE) {
+    /* BLOCKING call, this is bad but a work-around for now. Fixing this "the
+       proper way" takes a whole lot of work. */
+    CURLcode result = handshake(conn, num, FALSE, FALSE);
+    if(result)
+      /* handshake() writes error message on its own */
+      *curlcode = result;
+    else
+      *curlcode = CURLE_AGAIN; /* then return as if this was a wouldblock */
+    return -1;
+  }
+
+  if(ret < 0) {
+    failf(conn->data, "GnuTLS recv error (%d): %s",
+
+          (int)ret, gnutls_strerror((int)ret));
+    *curlcode = CURLE_RECV_ERROR;
+    return -1;
+  }
+
+  return ret;
+}
+
+static void Curl_gtls_session_free(void *ptr)
+{
+  free(ptr);
+}
+
+static size_t Curl_gtls_version(char *buffer, size_t size)
+{
+  return msnprintf(buffer, size, "GnuTLS/%s", gnutls_check_version(NULL));
+}
+
+#ifndef USE_GNUTLS_NETTLE
+static int Curl_gtls_seed(struct Curl_easy *data)
+{
+  /* we have the "SSL is seeded" boolean static to prevent multiple
+     time-consuming seedings in vain */
+  static bool ssl_seeded = FALSE;
+
+  /* Quickly add a bit of entropy */
+  gcry_fast_random_poll();
+
+  if(!ssl_seeded || data->set.str[STRING_SSL_RANDOM_FILE] ||
+     data->set.str[STRING_SSL_EGDSOCKET]) {
+
+    /* TODO: to a good job seeding the RNG
+       This may involve the gcry_control function and these options:
+       GCRYCTL_SET_RANDOM_SEED_FILE
+       GCRYCTL_SET_RNDEGD_SOCKET
+    */
+    ssl_seeded = TRUE;
+  }
+  return 0;
+}
+#endif
+
+/* data might be NULL! */
+static CURLcode Curl_gtls_random(struct Curl_easy *data,
+                                 unsigned char *entropy, size_t length)
+{
+#if defined(USE_GNUTLS_NETTLE)
+  int rc;
+  (void)data;
+  rc = gnutls_rnd(GNUTLS_RND_RANDOM, entropy, length);
+  return rc?CURLE_FAILED_INIT:CURLE_OK;
+#elif defined(USE_GNUTLS)
+  if(data)
+    Curl_gtls_seed(data); /* Initiate the seed if not already done */
+  gcry_randomize(entropy, length, GCRY_STRONG_RANDOM);
+#endif
+  return CURLE_OK;
+}
+
+static CURLcode Curl_gtls_md5sum(unsigned char *tmp, /* input */
+                                 size_t tmplen,
+                                 unsigned char *md5sum, /* output */
+                                 size_t md5len)
+{
+#if defined(USE_GNUTLS_NETTLE)
+  struct md5_ctx MD5pw;
+  md5_init(&MD5pw);
+  md5_update(&MD5pw, (unsigned int)tmplen, tmp);
+  md5_digest(&MD5pw, (unsigned int)md5len, md5sum);
+#elif defined(USE_GNUTLS)
+  gcry_md_hd_t MD5pw;
+  gcry_md_open(&MD5pw, GCRY_MD_MD5, 0);
+  gcry_md_write(MD5pw, tmp, tmplen);
+  memcpy(md5sum, gcry_md_read(MD5pw, 0), md5len);
+  gcry_md_close(MD5pw);
+#endif
+  return CURLE_OK;
+}
+
+static CURLcode Curl_gtls_sha256sum(const unsigned char *tmp, /* input */
+                                size_t tmplen,
+                                unsigned char *sha256sum, /* output */
+                                size_t sha256len)
+{
+#if defined(USE_GNUTLS_NETTLE)
+  struct sha256_ctx SHA256pw;
+  sha256_init(&SHA256pw);
+  sha256_update(&SHA256pw, (unsigned int)tmplen, tmp);
+  sha256_digest(&SHA256pw, (unsigned int)sha256len, sha256sum);
+#elif defined(USE_GNUTLS)
+  gcry_md_hd_t SHA256pw;
+  gcry_md_open(&SHA256pw, GCRY_MD_SHA256, 0);
+  gcry_md_write(SHA256pw, tmp, tmplen);
+  memcpy(sha256sum, gcry_md_read(SHA256pw, 0), sha256len);
+  gcry_md_close(SHA256pw);
+#endif
+  return CURLE_OK;
+}
+
+static bool Curl_gtls_cert_status_request(void)
+{
+#ifdef HAS_OCSP
+  return TRUE;
+#else
+  return FALSE;
+#endif
+}
+
+static void *Curl_gtls_get_internals(struct ssl_connect_data *connssl,
+                                     CURLINFO info UNUSED_PARAM)
+{
+  (void)info;
+  return BACKEND->session;
+}
+
+const struct Curl_ssl Curl_ssl_gnutls = {
+  { CURLSSLBACKEND_GNUTLS, "gnutls" }, /* info */
+
+  SSLSUPP_CA_PATH  |
+  SSLSUPP_CERTINFO |
+  SSLSUPP_PINNEDPUBKEY |
+  SSLSUPP_HTTPS_PROXY,
+
+  sizeof(struct ssl_backend_data),
+
+  Curl_gtls_init,                /* init */
+  Curl_gtls_cleanup,             /* cleanup */
+  Curl_gtls_version,             /* version */
+  Curl_none_check_cxn,           /* check_cxn */
+  Curl_gtls_shutdown,            /* shutdown */
+  Curl_gtls_data_pending,        /* data_pending */
+  Curl_gtls_random,              /* random */
+  Curl_gtls_cert_status_request, /* cert_status_request */
+  Curl_gtls_connect,             /* connect */
+  Curl_gtls_connect_nonblocking, /* connect_nonblocking */
+  Curl_gtls_get_internals,       /* get_internals */
+  Curl_gtls_close,               /* close_one */
+  Curl_none_close_all,           /* close_all */
+  Curl_gtls_session_free,        /* session_free */
+  Curl_none_set_engine,          /* set_engine */
+  Curl_none_set_engine_default,  /* set_engine_default */
+  Curl_none_engines_list,        /* engines_list */
+  Curl_none_false_start,         /* false_start */
+  Curl_gtls_md5sum,              /* md5sum */
+  Curl_gtls_sha256sum            /* sha256sum */
+};
+
+#endif /* USE_GNUTLS */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/gtls.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/gtls.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/gtls.h	(revision 85671)
@@ -0,0 +1,34 @@
+#ifndef HEADER_CURL_GTLS_H
+#define HEADER_CURL_GTLS_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef USE_GNUTLS
+
+#include "urldata.h"
+
+extern const struct Curl_ssl Curl_ssl_gnutls;
+
+#endif /* USE_GNUTLS */
+#endif /* HEADER_CURL_GTLS_H */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/mbedtls.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/mbedtls.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/mbedtls.c	(revision 85671)
@@ -0,0 +1,1079 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2010 - 2011, Hoi-Ho Chan, <hoiho.chan@gmail.com>
+ * Copyright (C) 2012 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Source file for all mbedTLS-specific code for the TLS/SSL layer. No code
+ * but vtls.c should ever call or use these functions.
+ *
+ */
+
+#include "curl_setup.h"
+
+#ifdef USE_MBEDTLS
+
+#include <mbedtls/version.h>
+#if MBEDTLS_VERSION_NUMBER >= 0x02040000
+#include <mbedtls/net_sockets.h>
+#else
+#include <mbedtls/net.h>
+#endif
+#include <mbedtls/ssl.h>
+#include <mbedtls/certs.h>
+#include <mbedtls/x509.h>
+
+#include <mbedtls/error.h>
+#include <mbedtls/entropy.h>
+#include <mbedtls/ctr_drbg.h>
+#include <mbedtls/sha256.h>
+
+#include "urldata.h"
+#include "sendf.h"
+#include "inet_pton.h"
+#include "mbedtls.h"
+#include "vtls.h"
+#include "parsedate.h"
+#include "connect.h" /* for the connect timeout */
+#include "select.h"
+#include "polarssl_threadlock.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+struct ssl_backend_data {
+  mbedtls_ctr_drbg_context ctr_drbg;
+  mbedtls_entropy_context entropy;
+  mbedtls_ssl_context ssl;
+  int server_fd;
+  mbedtls_x509_crt cacert;
+  mbedtls_x509_crt clicert;
+  mbedtls_x509_crl crl;
+  mbedtls_pk_context pk;
+  mbedtls_ssl_config config;
+  const char *protocols[3];
+};
+
+#define BACKEND connssl->backend
+
+/* apply threading? */
+#if defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
+#define THREADING_SUPPORT
+#endif
+
+#if defined(THREADING_SUPPORT)
+static mbedtls_entropy_context ts_entropy;
+
+static int entropy_init_initialized = 0;
+
+/* start of entropy_init_mutex() */
+static void entropy_init_mutex(mbedtls_entropy_context *ctx)
+{
+  /* lock 0 = entropy_init_mutex() */
+  Curl_polarsslthreadlock_lock_function(0);
+  if(entropy_init_initialized == 0) {
+    mbedtls_entropy_init(ctx);
+    entropy_init_initialized = 1;
+  }
+  Curl_polarsslthreadlock_unlock_function(0);
+}
+/* end of entropy_init_mutex() */
+
+/* start of entropy_func_mutex() */
+static int entropy_func_mutex(void *data, unsigned char *output, size_t len)
+{
+  int ret;
+  /* lock 1 = entropy_func_mutex() */
+  Curl_polarsslthreadlock_lock_function(1);
+  ret = mbedtls_entropy_func(data, output, len);
+  Curl_polarsslthreadlock_unlock_function(1);
+
+  return ret;
+}
+/* end of entropy_func_mutex() */
+
+#endif /* THREADING_SUPPORT */
+
+/* Define this to enable lots of debugging for mbedTLS */
+#undef MBEDTLS_DEBUG
+
+#ifdef MBEDTLS_DEBUG
+static void mbed_debug(void *context, int level, const char *f_name,
+                       int line_nb, const char *line)
+{
+  struct Curl_easy *data = NULL;
+
+  if(!context)
+    return;
+
+  data = (struct Curl_easy *)context;
+
+  infof(data, "%s", line);
+  (void) level;
+}
+#else
+#endif
+
+/* ALPN for http2? */
+#ifdef USE_NGHTTP2
+#  undef HAS_ALPN
+#  ifdef MBEDTLS_SSL_ALPN
+#    define HAS_ALPN
+#  endif
+#endif
+
+
+/*
+ *  profile
+ */
+static const mbedtls_x509_crt_profile mbedtls_x509_crt_profile_fr =
+{
+  /* Hashes from SHA-1 and above */
+  MBEDTLS_X509_ID_FLAG(MBEDTLS_MD_SHA1) |
+  MBEDTLS_X509_ID_FLAG(MBEDTLS_MD_RIPEMD160) |
+  MBEDTLS_X509_ID_FLAG(MBEDTLS_MD_SHA224) |
+  MBEDTLS_X509_ID_FLAG(MBEDTLS_MD_SHA256) |
+  MBEDTLS_X509_ID_FLAG(MBEDTLS_MD_SHA384) |
+  MBEDTLS_X509_ID_FLAG(MBEDTLS_MD_SHA512),
+  0xFFFFFFF, /* Any PK alg    */
+  0xFFFFFFF, /* Any curve     */
+  1024,      /* RSA min key len */
+};
+
+/* See https://tls.mbed.org/discussions/generic/
+   howto-determine-exact-buffer-len-for-mbedtls_pk_write_pubkey_der
+*/
+#define RSA_PUB_DER_MAX_BYTES   (38 + 2 * MBEDTLS_MPI_MAX_SIZE)
+#define ECP_PUB_DER_MAX_BYTES   (30 + 2 * MBEDTLS_ECP_MAX_BYTES)
+
+#define PUB_DER_MAX_BYTES   (RSA_PUB_DER_MAX_BYTES > ECP_PUB_DER_MAX_BYTES ? \
+                             RSA_PUB_DER_MAX_BYTES : ECP_PUB_DER_MAX_BYTES)
+
+static Curl_recv mbed_recv;
+static Curl_send mbed_send;
+
+static CURLcode mbedtls_version_from_curl(int *mbedver, long version)
+{
+  switch(version) {
+    case CURL_SSLVERSION_TLSv1_0:
+      *mbedver = MBEDTLS_SSL_MINOR_VERSION_1;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_1:
+      *mbedver = MBEDTLS_SSL_MINOR_VERSION_2;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_2:
+      *mbedver = MBEDTLS_SSL_MINOR_VERSION_3;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_3:
+      break;
+  }
+  return CURLE_SSL_CONNECT_ERROR;
+}
+
+static CURLcode
+set_ssl_version_min_max(struct connectdata *conn, int sockindex)
+{
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  int mbedtls_ver_min = MBEDTLS_SSL_MINOR_VERSION_1;
+  int mbedtls_ver_max = MBEDTLS_SSL_MINOR_VERSION_1;
+  long ssl_version = SSL_CONN_CONFIG(version);
+  long ssl_version_max = SSL_CONN_CONFIG(version_max);
+  CURLcode result = CURLE_OK;
+
+  switch(ssl_version) {
+    case CURL_SSLVERSION_DEFAULT:
+    case CURL_SSLVERSION_TLSv1:
+      ssl_version = CURL_SSLVERSION_TLSv1_0;
+      break;
+  }
+
+  switch(ssl_version_max) {
+    case CURL_SSLVERSION_MAX_NONE:
+    case CURL_SSLVERSION_MAX_DEFAULT:
+      ssl_version_max = CURL_SSLVERSION_MAX_TLSv1_2;
+      break;
+  }
+
+  result = mbedtls_version_from_curl(&mbedtls_ver_min, ssl_version);
+  if(result) {
+    failf(data, "unsupported min version passed via CURLOPT_SSLVERSION");
+    return result;
+  }
+  result = mbedtls_version_from_curl(&mbedtls_ver_max, ssl_version_max >> 16);
+  if(result) {
+    failf(data, "unsupported max version passed via CURLOPT_SSLVERSION");
+    return result;
+  }
+
+  mbedtls_ssl_conf_min_version(&BACKEND->config, MBEDTLS_SSL_MAJOR_VERSION_3,
+                               mbedtls_ver_min);
+  mbedtls_ssl_conf_max_version(&BACKEND->config, MBEDTLS_SSL_MAJOR_VERSION_3,
+                               mbedtls_ver_max);
+
+  return result;
+}
+
+static CURLcode
+mbed_connect_step1(struct connectdata *conn,
+                   int sockindex)
+{
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data* connssl = &conn->ssl[sockindex];
+  const char * const ssl_cafile = SSL_CONN_CONFIG(CAfile);
+  const bool verifypeer = SSL_CONN_CONFIG(verifypeer);
+  const char * const ssl_capath = SSL_CONN_CONFIG(CApath);
+  char * const ssl_cert = SSL_SET_OPTION(cert);
+  const char * const ssl_crlfile = SSL_SET_OPTION(CRLfile);
+  const char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
+    conn->host.name;
+  const long int port = SSL_IS_PROXY() ? conn->port : conn->remote_port;
+  int ret = -1;
+  char errorbuf[128];
+  errorbuf[0] = 0;
+
+  /* mbedTLS only supports SSLv3 and TLSv1 */
+  if(SSL_CONN_CONFIG(version) == CURL_SSLVERSION_SSLv2) {
+    failf(data, "mbedTLS does not support SSLv2");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+#ifdef THREADING_SUPPORT
+  entropy_init_mutex(&ts_entropy);
+  mbedtls_ctr_drbg_init(&BACKEND->ctr_drbg);
+
+  ret = mbedtls_ctr_drbg_seed(&BACKEND->ctr_drbg, entropy_func_mutex,
+                              &ts_entropy, NULL, 0);
+  if(ret) {
+#ifdef MBEDTLS_ERROR_C
+    mbedtls_strerror(ret, errorbuf, sizeof(errorbuf));
+#endif /* MBEDTLS_ERROR_C */
+    failf(data, "Failed - mbedTLS: ctr_drbg_init returned (-0x%04X) %s\n",
+          -ret, errorbuf);
+  }
+#else
+  mbedtls_entropy_init(&BACKEND->entropy);
+  mbedtls_ctr_drbg_init(&BACKEND->ctr_drbg);
+
+  ret = mbedtls_ctr_drbg_seed(&BACKEND->ctr_drbg, mbedtls_entropy_func,
+                              &BACKEND->entropy, NULL, 0);
+  if(ret) {
+#ifdef MBEDTLS_ERROR_C
+    mbedtls_strerror(ret, errorbuf, sizeof(errorbuf));
+#endif /* MBEDTLS_ERROR_C */
+    failf(data, "Failed - mbedTLS: ctr_drbg_init returned (-0x%04X) %s\n",
+          -ret, errorbuf);
+  }
+#endif /* THREADING_SUPPORT */
+
+  /* Load the trusted CA */
+  mbedtls_x509_crt_init(&BACKEND->cacert);
+
+  if(ssl_cafile) {
+    ret = mbedtls_x509_crt_parse_file(&BACKEND->cacert, ssl_cafile);
+
+    if(ret<0) {
+#ifdef MBEDTLS_ERROR_C
+      mbedtls_strerror(ret, errorbuf, sizeof(errorbuf));
+#endif /* MBEDTLS_ERROR_C */
+      failf(data, "Error reading ca cert file %s - mbedTLS: (-0x%04X) %s",
+            ssl_cafile, -ret, errorbuf);
+
+      if(verifypeer)
+        return CURLE_SSL_CACERT_BADFILE;
+    }
+  }
+
+  if(ssl_capath) {
+    ret = mbedtls_x509_crt_parse_path(&BACKEND->cacert, ssl_capath);
+
+    if(ret<0) {
+#ifdef MBEDTLS_ERROR_C
+      mbedtls_strerror(ret, errorbuf, sizeof(errorbuf));
+#endif /* MBEDTLS_ERROR_C */
+      failf(data, "Error reading ca cert path %s - mbedTLS: (-0x%04X) %s",
+            ssl_capath, -ret, errorbuf);
+
+      if(verifypeer)
+        return CURLE_SSL_CACERT_BADFILE;
+    }
+  }
+
+  /* Load the client certificate */
+  mbedtls_x509_crt_init(&BACKEND->clicert);
+
+  if(ssl_cert) {
+    ret = mbedtls_x509_crt_parse_file(&BACKEND->clicert, ssl_cert);
+
+    if(ret) {
+#ifdef MBEDTLS_ERROR_C
+      mbedtls_strerror(ret, errorbuf, sizeof(errorbuf));
+#endif /* MBEDTLS_ERROR_C */
+      failf(data, "Error reading client cert file %s - mbedTLS: (-0x%04X) %s",
+            ssl_cert, -ret, errorbuf);
+
+      return CURLE_SSL_CERTPROBLEM;
+    }
+  }
+
+  /* Load the client private key */
+  mbedtls_pk_init(&BACKEND->pk);
+
+  if(SSL_SET_OPTION(key)) {
+    ret = mbedtls_pk_parse_keyfile(&BACKEND->pk, SSL_SET_OPTION(key),
+                                   SSL_SET_OPTION(key_passwd));
+    if(ret == 0 && !mbedtls_pk_can_do(&BACKEND->pk, MBEDTLS_PK_RSA))
+      ret = MBEDTLS_ERR_PK_TYPE_MISMATCH;
+
+    if(ret) {
+#ifdef MBEDTLS_ERROR_C
+      mbedtls_strerror(ret, errorbuf, sizeof(errorbuf));
+#endif /* MBEDTLS_ERROR_C */
+      failf(data, "Error reading private key %s - mbedTLS: (-0x%04X) %s",
+            SSL_SET_OPTION(key), -ret, errorbuf);
+
+      return CURLE_SSL_CERTPROBLEM;
+    }
+  }
+
+  /* Load the CRL */
+  mbedtls_x509_crl_init(&BACKEND->crl);
+
+  if(ssl_crlfile) {
+    ret = mbedtls_x509_crl_parse_file(&BACKEND->crl, ssl_crlfile);
+
+    if(ret) {
+#ifdef MBEDTLS_ERROR_C
+      mbedtls_strerror(ret, errorbuf, sizeof(errorbuf));
+#endif /* MBEDTLS_ERROR_C */
+      failf(data, "Error reading CRL file %s - mbedTLS: (-0x%04X) %s",
+            ssl_crlfile, -ret, errorbuf);
+
+      return CURLE_SSL_CRL_BADFILE;
+    }
+  }
+
+  infof(data, "mbedTLS: Connecting to %s:%ld\n", hostname, port);
+
+  mbedtls_ssl_config_init(&BACKEND->config);
+
+  mbedtls_ssl_init(&BACKEND->ssl);
+  if(mbedtls_ssl_setup(&BACKEND->ssl, &BACKEND->config)) {
+    failf(data, "mbedTLS: ssl_init failed");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+  ret = mbedtls_ssl_config_defaults(&BACKEND->config,
+                                    MBEDTLS_SSL_IS_CLIENT,
+                                    MBEDTLS_SSL_TRANSPORT_STREAM,
+                                    MBEDTLS_SSL_PRESET_DEFAULT);
+  if(ret) {
+    failf(data, "mbedTLS: ssl_config failed");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  /* new profile with RSA min key len = 1024 ... */
+  mbedtls_ssl_conf_cert_profile(&BACKEND->config,
+                                &mbedtls_x509_crt_profile_fr);
+
+  switch(SSL_CONN_CONFIG(version)) {
+  case CURL_SSLVERSION_DEFAULT:
+  case CURL_SSLVERSION_TLSv1:
+    mbedtls_ssl_conf_min_version(&BACKEND->config, MBEDTLS_SSL_MAJOR_VERSION_3,
+                                 MBEDTLS_SSL_MINOR_VERSION_1);
+    infof(data, "mbedTLS: Set min SSL version to TLS 1.0\n");
+    break;
+  case CURL_SSLVERSION_SSLv3:
+    mbedtls_ssl_conf_min_version(&BACKEND->config, MBEDTLS_SSL_MAJOR_VERSION_3,
+                                 MBEDTLS_SSL_MINOR_VERSION_0);
+    mbedtls_ssl_conf_max_version(&BACKEND->config, MBEDTLS_SSL_MAJOR_VERSION_3,
+                                 MBEDTLS_SSL_MINOR_VERSION_0);
+    infof(data, "mbedTLS: Set SSL version to SSLv3\n");
+    break;
+  case CURL_SSLVERSION_TLSv1_0:
+  case CURL_SSLVERSION_TLSv1_1:
+  case CURL_SSLVERSION_TLSv1_2:
+  case CURL_SSLVERSION_TLSv1_3:
+    {
+      CURLcode result = set_ssl_version_min_max(conn, sockindex);
+      if(result != CURLE_OK)
+        return result;
+      break;
+    }
+  default:
+    failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  mbedtls_ssl_conf_authmode(&BACKEND->config, MBEDTLS_SSL_VERIFY_OPTIONAL);
+
+  mbedtls_ssl_conf_rng(&BACKEND->config, mbedtls_ctr_drbg_random,
+                       &BACKEND->ctr_drbg);
+  mbedtls_ssl_set_bio(&BACKEND->ssl, &conn->sock[sockindex],
+                      mbedtls_net_send,
+                      mbedtls_net_recv,
+                      NULL /*  rev_timeout() */);
+
+  mbedtls_ssl_conf_ciphersuites(&BACKEND->config,
+                                mbedtls_ssl_list_ciphersuites());
+
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+  mbedtls_ssl_conf_renegotiation(&BACKEND->config,
+                                 MBEDTLS_SSL_RENEGOTIATION_ENABLED);
+#endif
+
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
+  mbedtls_ssl_conf_session_tickets(&BACKEND->config,
+                                   MBEDTLS_SSL_SESSION_TICKETS_DISABLED);
+#endif
+
+  /* Check if there's a cached ID we can/should use here! */
+  if(SSL_SET_OPTION(primary.sessionid)) {
+    void *old_session = NULL;
+
+    Curl_ssl_sessionid_lock(conn);
+    if(!Curl_ssl_getsessionid(conn, &old_session, NULL, sockindex)) {
+      ret = mbedtls_ssl_set_session(&BACKEND->ssl, old_session);
+      if(ret) {
+        Curl_ssl_sessionid_unlock(conn);
+        failf(data, "mbedtls_ssl_set_session returned -0x%x", -ret);
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      infof(data, "mbedTLS re-using session\n");
+    }
+    Curl_ssl_sessionid_unlock(conn);
+  }
+
+  mbedtls_ssl_conf_ca_chain(&BACKEND->config,
+                            &BACKEND->cacert,
+                            &BACKEND->crl);
+
+  if(SSL_SET_OPTION(key)) {
+    mbedtls_ssl_conf_own_cert(&BACKEND->config,
+                              &BACKEND->clicert, &BACKEND->pk);
+  }
+  if(mbedtls_ssl_set_hostname(&BACKEND->ssl, hostname)) {
+    /* mbedtls_ssl_set_hostname() sets the name to use in CN/SAN checks *and*
+       the name to set in the SNI extension. So even if curl connects to a
+       host specified as an IP address, this function must be used. */
+    failf(data, "couldn't set hostname in mbedTLS");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+#ifdef HAS_ALPN
+  if(conn->bits.tls_enable_alpn) {
+    const char **p = &BACKEND->protocols[0];
+#ifdef USE_NGHTTP2
+    if(data->set.httpversion >= CURL_HTTP_VERSION_2)
+      *p++ = NGHTTP2_PROTO_VERSION_ID;
+#endif
+    *p++ = ALPN_HTTP_1_1;
+    *p = NULL;
+    /* this function doesn't clone the protocols array, which is why we need
+       to keep it around */
+    if(mbedtls_ssl_conf_alpn_protocols(&BACKEND->config,
+                                       &BACKEND->protocols[0])) {
+      failf(data, "Failed setting ALPN protocols");
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+    for(p = &BACKEND->protocols[0]; *p; ++p)
+      infof(data, "ALPN, offering %s\n", *p);
+  }
+#endif
+
+#ifdef MBEDTLS_DEBUG
+  /* In order to make that work in mbedtls MBEDTLS_DEBUG_C must be defined. */
+  mbedtls_ssl_conf_dbg(&BACKEND->config, mbed_debug, data);
+  /* - 0 No debug
+   * - 1 Error
+   * - 2 State change
+   * - 3 Informational
+   * - 4 Verbose
+   */
+  mbedtls_debug_set_threshold(4);
+#endif
+
+  /* give application a chance to interfere with mbedTLS set up. */
+  if(data->set.ssl.fsslctx) {
+    ret = (*data->set.ssl.fsslctx)(data, &BACKEND->config,
+                                   data->set.ssl.fsslctxp);
+    if(ret) {
+      failf(data, "error signaled by ssl ctx callback");
+      return ret;
+    }
+  }
+
+  connssl->connecting_state = ssl_connect_2;
+
+  return CURLE_OK;
+}
+
+static CURLcode
+mbed_connect_step2(struct connectdata *conn,
+                   int sockindex)
+{
+  int ret;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data* connssl = &conn->ssl[sockindex];
+  const mbedtls_x509_crt *peercert;
+  const char * const pinnedpubkey = SSL_IS_PROXY() ?
+        data->set.str[STRING_SSL_PINNEDPUBLICKEY_PROXY] :
+        data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG];
+
+#ifdef HAS_ALPN
+  const char *next_protocol;
+#endif
+
+  char errorbuf[128];
+  errorbuf[0] = 0;
+
+  conn->recv[sockindex] = mbed_recv;
+  conn->send[sockindex] = mbed_send;
+
+  ret = mbedtls_ssl_handshake(&BACKEND->ssl);
+
+  if(ret == MBEDTLS_ERR_SSL_WANT_READ) {
+    connssl->connecting_state = ssl_connect_2_reading;
+    return CURLE_OK;
+  }
+  else if(ret == MBEDTLS_ERR_SSL_WANT_WRITE) {
+    connssl->connecting_state = ssl_connect_2_writing;
+    return CURLE_OK;
+  }
+  else if(ret) {
+#ifdef MBEDTLS_ERROR_C
+    mbedtls_strerror(ret, errorbuf, sizeof(errorbuf));
+#endif /* MBEDTLS_ERROR_C */
+    failf(data, "ssl_handshake returned - mbedTLS: (-0x%04X) %s",
+          -ret, errorbuf);
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  infof(data, "mbedTLS: Handshake complete, cipher is %s\n",
+        mbedtls_ssl_get_ciphersuite(&BACKEND->ssl)
+    );
+
+  ret = mbedtls_ssl_get_verify_result(&BACKEND->ssl);
+
+  if(!SSL_CONN_CONFIG(verifyhost))
+    /* Ignore hostname errors if verifyhost is disabled */
+    ret &= ~MBEDTLS_X509_BADCERT_CN_MISMATCH;
+
+  if(ret && SSL_CONN_CONFIG(verifypeer)) {
+    if(ret & MBEDTLS_X509_BADCERT_EXPIRED)
+      failf(data, "Cert verify failed: BADCERT_EXPIRED");
+
+    else if(ret & MBEDTLS_X509_BADCERT_REVOKED)
+      failf(data, "Cert verify failed: BADCERT_REVOKED");
+
+    else if(ret & MBEDTLS_X509_BADCERT_CN_MISMATCH)
+      failf(data, "Cert verify failed: BADCERT_CN_MISMATCH");
+
+    else if(ret & MBEDTLS_X509_BADCERT_NOT_TRUSTED)
+      failf(data, "Cert verify failed: BADCERT_NOT_TRUSTED");
+
+    return CURLE_PEER_FAILED_VERIFICATION;
+  }
+
+  peercert = mbedtls_ssl_get_peer_cert(&BACKEND->ssl);
+
+  if(peercert && data->set.verbose) {
+    const size_t bufsize = 16384;
+    char *buffer = malloc(bufsize);
+
+    if(!buffer)
+      return CURLE_OUT_OF_MEMORY;
+
+    if(mbedtls_x509_crt_info(buffer, bufsize, "* ", peercert) > 0)
+      infof(data, "Dumping cert info:\n%s\n", buffer);
+    else
+      infof(data, "Unable to dump certificate information.\n");
+
+    free(buffer);
+  }
+
+  if(pinnedpubkey) {
+    int size;
+    CURLcode result;
+    mbedtls_x509_crt *p;
+    unsigned char pubkey[PUB_DER_MAX_BYTES];
+
+    if(!peercert || !peercert->raw.p || !peercert->raw.len) {
+      failf(data, "Failed due to missing peer certificate");
+      return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+    }
+
+    p = calloc(1, sizeof(*p));
+
+    if(!p)
+      return CURLE_OUT_OF_MEMORY;
+
+    mbedtls_x509_crt_init(p);
+
+    /* Make a copy of our const peercert because mbedtls_pk_write_pubkey_der
+       needs a non-const key, for now.
+       https://github.com/ARMmbed/mbedtls/issues/396 */
+    if(mbedtls_x509_crt_parse_der(p, peercert->raw.p, peercert->raw.len)) {
+      failf(data, "Failed copying peer certificate");
+      mbedtls_x509_crt_free(p);
+      free(p);
+      return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+    }
+
+    size = mbedtls_pk_write_pubkey_der(&p->pk, pubkey, PUB_DER_MAX_BYTES);
+
+    if(size <= 0) {
+      failf(data, "Failed copying public key from peer certificate");
+      mbedtls_x509_crt_free(p);
+      free(p);
+      return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+    }
+
+    /* mbedtls_pk_write_pubkey_der writes data at the end of the buffer. */
+    result = Curl_pin_peer_pubkey(data,
+                                  pinnedpubkey,
+                                  &pubkey[PUB_DER_MAX_BYTES - size], size);
+    if(result) {
+      mbedtls_x509_crt_free(p);
+      free(p);
+      return result;
+    }
+
+    mbedtls_x509_crt_free(p);
+    free(p);
+  }
+
+#ifdef HAS_ALPN
+  if(conn->bits.tls_enable_alpn) {
+    next_protocol = mbedtls_ssl_get_alpn_protocol(&BACKEND->ssl);
+
+    if(next_protocol) {
+      infof(data, "ALPN, server accepted to use %s\n", next_protocol);
+#ifdef USE_NGHTTP2
+      if(!strncmp(next_protocol, NGHTTP2_PROTO_VERSION_ID,
+                  NGHTTP2_PROTO_VERSION_ID_LEN) &&
+         !next_protocol[NGHTTP2_PROTO_VERSION_ID_LEN]) {
+        conn->negnpn = CURL_HTTP_VERSION_2;
+      }
+      else
+#endif
+        if(!strncmp(next_protocol, ALPN_HTTP_1_1, ALPN_HTTP_1_1_LENGTH) &&
+           !next_protocol[ALPN_HTTP_1_1_LENGTH]) {
+          conn->negnpn = CURL_HTTP_VERSION_1_1;
+        }
+    }
+    else {
+      infof(data, "ALPN, server did not agree to a protocol\n");
+    }
+  }
+#endif
+
+  connssl->connecting_state = ssl_connect_3;
+  infof(data, "SSL connected\n");
+
+  return CURLE_OK;
+}
+
+static CURLcode
+mbed_connect_step3(struct connectdata *conn,
+                   int sockindex)
+{
+  CURLcode retcode = CURLE_OK;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  struct Curl_easy *data = conn->data;
+
+  DEBUGASSERT(ssl_connect_3 == connssl->connecting_state);
+
+  if(SSL_SET_OPTION(primary.sessionid)) {
+    int ret;
+    mbedtls_ssl_session *our_ssl_sessionid;
+    void *old_ssl_sessionid = NULL;
+
+    our_ssl_sessionid = malloc(sizeof(mbedtls_ssl_session));
+    if(!our_ssl_sessionid)
+      return CURLE_OUT_OF_MEMORY;
+
+    mbedtls_ssl_session_init(our_ssl_sessionid);
+
+    ret = mbedtls_ssl_get_session(&BACKEND->ssl, our_ssl_sessionid);
+    if(ret) {
+      free(our_ssl_sessionid);
+      failf(data, "mbedtls_ssl_get_session returned -0x%x", -ret);
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+
+    /* If there's already a matching session in the cache, delete it */
+    Curl_ssl_sessionid_lock(conn);
+    if(!Curl_ssl_getsessionid(conn, &old_ssl_sessionid, NULL, sockindex))
+      Curl_ssl_delsessionid(conn, old_ssl_sessionid);
+
+    retcode = Curl_ssl_addsessionid(conn, our_ssl_sessionid, 0, sockindex);
+    Curl_ssl_sessionid_unlock(conn);
+    if(retcode) {
+      free(our_ssl_sessionid);
+      failf(data, "failed to store ssl session");
+      return retcode;
+    }
+  }
+
+  connssl->connecting_state = ssl_connect_done;
+
+  return CURLE_OK;
+}
+
+static ssize_t mbed_send(struct connectdata *conn, int sockindex,
+                         const void *mem, size_t len,
+                         CURLcode *curlcode)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  int ret = -1;
+
+  ret = mbedtls_ssl_write(&BACKEND->ssl,
+                          (unsigned char *)mem, len);
+
+  if(ret < 0) {
+    *curlcode = (ret == MBEDTLS_ERR_SSL_WANT_WRITE) ?
+      CURLE_AGAIN : CURLE_SEND_ERROR;
+    ret = -1;
+  }
+
+  return ret;
+}
+
+static void Curl_mbedtls_close_all(struct Curl_easy *data)
+{
+  (void)data;
+}
+
+static void Curl_mbedtls_close(struct connectdata *conn, int sockindex)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  mbedtls_pk_free(&BACKEND->pk);
+  mbedtls_x509_crt_free(&BACKEND->clicert);
+  mbedtls_x509_crt_free(&BACKEND->cacert);
+  mbedtls_x509_crl_free(&BACKEND->crl);
+  mbedtls_ssl_config_free(&BACKEND->config);
+  mbedtls_ssl_free(&BACKEND->ssl);
+  mbedtls_ctr_drbg_free(&BACKEND->ctr_drbg);
+#ifndef THREADING_SUPPORT
+  mbedtls_entropy_free(&BACKEND->entropy);
+#endif /* THREADING_SUPPORT */
+}
+
+static ssize_t mbed_recv(struct connectdata *conn, int num,
+                         char *buf, size_t buffersize,
+                         CURLcode *curlcode)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[num];
+  int ret = -1;
+  ssize_t len = -1;
+
+  memset(buf, 0, buffersize);
+  ret = mbedtls_ssl_read(&BACKEND->ssl, (unsigned char *)buf,
+                         buffersize);
+
+  if(ret <= 0) {
+    if(ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY)
+      return 0;
+
+    *curlcode = (ret == MBEDTLS_ERR_SSL_WANT_READ) ?
+      CURLE_AGAIN : CURLE_RECV_ERROR;
+    return -1;
+  }
+
+  len = ret;
+
+  return len;
+}
+
+static void Curl_mbedtls_session_free(void *ptr)
+{
+  mbedtls_ssl_session_free(ptr);
+  free(ptr);
+}
+
+static size_t Curl_mbedtls_version(char *buffer, size_t size)
+{
+  unsigned int version = mbedtls_version_get_number();
+  return msnprintf(buffer, size, "mbedTLS/%u.%u.%u", version>>24,
+                   (version>>16)&0xff, (version>>8)&0xff);
+}
+
+static CURLcode Curl_mbedtls_random(struct Curl_easy *data,
+                                    unsigned char *entropy, size_t length)
+{
+#if defined(MBEDTLS_CTR_DRBG_C)
+  int ret = -1;
+  char errorbuf[128];
+  mbedtls_entropy_context ctr_entropy;
+  mbedtls_ctr_drbg_context ctr_drbg;
+  mbedtls_entropy_init(&ctr_entropy);
+  mbedtls_ctr_drbg_init(&ctr_drbg);
+  errorbuf[0] = 0;
+
+  ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func,
+                              &ctr_entropy, NULL, 0);
+
+  if(ret) {
+#ifdef MBEDTLS_ERROR_C
+    mbedtls_strerror(ret, errorbuf, sizeof(errorbuf));
+#endif /* MBEDTLS_ERROR_C */
+    failf(data, "Failed - mbedTLS: ctr_drbg_seed returned (-0x%04X) %s\n",
+          -ret, errorbuf);
+  }
+  else {
+    ret = mbedtls_ctr_drbg_random(&ctr_drbg, entropy, length);
+
+    if(ret) {
+#ifdef MBEDTLS_ERROR_C
+      mbedtls_strerror(ret, errorbuf, sizeof(errorbuf));
+#endif /* MBEDTLS_ERROR_C */
+      failf(data, "mbedTLS: ctr_drbg_init returned (-0x%04X) %s\n",
+            -ret, errorbuf);
+    }
+  }
+
+  mbedtls_ctr_drbg_free(&ctr_drbg);
+  mbedtls_entropy_free(&ctr_entropy);
+
+  return ret == 0 ? CURLE_OK : CURLE_FAILED_INIT;
+#elif defined(MBEDTLS_HAVEGE_C)
+  mbedtls_havege_state hs;
+  mbedtls_havege_init(&hs);
+  mbedtls_havege_random(&hs, entropy, length);
+  mbedtls_havege_free(&hs);
+  return CURLE_OK;
+#else
+  return CURLE_NOT_BUILT_IN;
+#endif
+}
+
+static CURLcode
+mbed_connect_common(struct connectdata *conn,
+                    int sockindex,
+                    bool nonblocking,
+                    bool *done)
+{
+  CURLcode retcode;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  curl_socket_t sockfd = conn->sock[sockindex];
+  long timeout_ms;
+  int what;
+
+  /* check if the connection has already been established */
+  if(ssl_connection_complete == connssl->state) {
+    *done = TRUE;
+    return CURLE_OK;
+  }
+
+  if(ssl_connect_1 == connssl->connecting_state) {
+    /* Find out how much more time we're allowed */
+    timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+    if(timeout_ms < 0) {
+      /* no need to continue if time already is up */
+      failf(data, "SSL connection timeout");
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+    retcode = mbed_connect_step1(conn, sockindex);
+    if(retcode)
+      return retcode;
+  }
+
+  while(ssl_connect_2 == connssl->connecting_state ||
+        ssl_connect_2_reading == connssl->connecting_state ||
+        ssl_connect_2_writing == connssl->connecting_state) {
+
+    /* check allowed time left */
+    timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+    if(timeout_ms < 0) {
+      /* no need to continue if time already is up */
+      failf(data, "SSL connection timeout");
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+
+    /* if ssl is expecting something, check if it's available. */
+    if(connssl->connecting_state == ssl_connect_2_reading
+       || connssl->connecting_state == ssl_connect_2_writing) {
+
+      curl_socket_t writefd = ssl_connect_2_writing ==
+        connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
+      curl_socket_t readfd = ssl_connect_2_reading ==
+        connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
+
+      what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
+                               nonblocking ? 0 : timeout_ms);
+      if(what < 0) {
+        /* fatal error */
+        failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      else if(0 == what) {
+        if(nonblocking) {
+          *done = FALSE;
+          return CURLE_OK;
+        }
+        else {
+          /* timeout */
+          failf(data, "SSL connection timeout");
+          return CURLE_OPERATION_TIMEDOUT;
+        }
+      }
+      /* socket is readable or writable */
+    }
+
+    /* Run transaction, and return to the caller if it failed or if
+     * this connection is part of a multi handle and this loop would
+     * execute again. This permits the owner of a multi handle to
+     * abort a connection attempt before step2 has completed while
+     * ensuring that a client using select() or epoll() will always
+     * have a valid fdset to wait on.
+     */
+    retcode = mbed_connect_step2(conn, sockindex);
+    if(retcode || (nonblocking &&
+                   (ssl_connect_2 == connssl->connecting_state ||
+                    ssl_connect_2_reading == connssl->connecting_state ||
+                    ssl_connect_2_writing == connssl->connecting_state)))
+      return retcode;
+
+  } /* repeat step2 until all transactions are done. */
+
+  if(ssl_connect_3 == connssl->connecting_state) {
+    retcode = mbed_connect_step3(conn, sockindex);
+    if(retcode)
+      return retcode;
+  }
+
+  if(ssl_connect_done == connssl->connecting_state) {
+    connssl->state = ssl_connection_complete;
+    conn->recv[sockindex] = mbed_recv;
+    conn->send[sockindex] = mbed_send;
+    *done = TRUE;
+  }
+  else
+    *done = FALSE;
+
+  /* Reset our connect state machine */
+  connssl->connecting_state = ssl_connect_1;
+
+  return CURLE_OK;
+}
+
+static CURLcode Curl_mbedtls_connect_nonblocking(struct connectdata *conn,
+                                                 int sockindex, bool *done)
+{
+  return mbed_connect_common(conn, sockindex, TRUE, done);
+}
+
+
+static CURLcode Curl_mbedtls_connect(struct connectdata *conn, int sockindex)
+{
+  CURLcode retcode;
+  bool done = FALSE;
+
+  retcode = mbed_connect_common(conn, sockindex, FALSE, &done);
+  if(retcode)
+    return retcode;
+
+  DEBUGASSERT(done);
+
+  return CURLE_OK;
+}
+
+/*
+ * return 0 error initializing SSL
+ * return 1 SSL initialized successfully
+ */
+static int Curl_mbedtls_init(void)
+{
+  return Curl_polarsslthreadlock_thread_setup();
+}
+
+static void Curl_mbedtls_cleanup(void)
+{
+  (void)Curl_polarsslthreadlock_thread_cleanup();
+}
+
+static bool Curl_mbedtls_data_pending(const struct connectdata *conn,
+                                      int sockindex)
+{
+  const struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  return mbedtls_ssl_get_bytes_avail(&BACKEND->ssl) != 0;
+}
+
+static CURLcode Curl_mbedtls_sha256sum(const unsigned char *input,
+                                    size_t inputlen,
+                                    unsigned char *sha256sum,
+                                    size_t sha256len UNUSED_PARAM)
+{
+  (void)sha256len;
+#if MBEDTLS_VERSION_NUMBER < 0x02070000
+  mbedtls_sha256(input, inputlen, sha256sum, 0);
+#else
+  /* returns 0 on success, otherwise failure */
+  if(mbedtls_sha256_ret(input, inputlen, sha256sum, 0) != 0)
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+#endif
+  return CURLE_OK;
+}
+
+static void *Curl_mbedtls_get_internals(struct ssl_connect_data *connssl,
+                                        CURLINFO info UNUSED_PARAM)
+{
+  (void)info;
+  return &BACKEND->ssl;
+}
+
+const struct Curl_ssl Curl_ssl_mbedtls = {
+  { CURLSSLBACKEND_MBEDTLS, "mbedtls" }, /* info */
+
+  SSLSUPP_CA_PATH |
+  SSLSUPP_PINNEDPUBKEY |
+  SSLSUPP_SSL_CTX,
+
+  sizeof(struct ssl_backend_data),
+
+  Curl_mbedtls_init,                /* init */
+  Curl_mbedtls_cleanup,             /* cleanup */
+  Curl_mbedtls_version,             /* version */
+  Curl_none_check_cxn,              /* check_cxn */
+  Curl_none_shutdown,               /* shutdown */
+  Curl_mbedtls_data_pending,        /* data_pending */
+  Curl_mbedtls_random,              /* random */
+  Curl_none_cert_status_request,    /* cert_status_request */
+  Curl_mbedtls_connect,             /* connect */
+  Curl_mbedtls_connect_nonblocking, /* connect_nonblocking */
+  Curl_mbedtls_get_internals,       /* get_internals */
+  Curl_mbedtls_close,               /* close_one */
+  Curl_mbedtls_close_all,           /* close_all */
+  Curl_mbedtls_session_free,        /* session_free */
+  Curl_none_set_engine,             /* set_engine */
+  Curl_none_set_engine_default,     /* set_engine_default */
+  Curl_none_engines_list,           /* engines_list */
+  Curl_none_false_start,            /* false_start */
+  Curl_none_md5sum,                 /* md5sum */
+  Curl_mbedtls_sha256sum            /* sha256sum */
+};
+
+#endif /* USE_MBEDTLS */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/mbedtls.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/mbedtls.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/mbedtls.h	(revision 85671)
@@ -0,0 +1,32 @@
+#ifndef HEADER_CURL_MBEDTLS_H
+#define HEADER_CURL_MBEDTLS_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2012 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2010, Hoi-Ho Chan, <hoiho.chan@gmail.com>
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#ifdef USE_MBEDTLS
+
+extern const struct Curl_ssl Curl_ssl_mbedtls;
+
+#endif /* USE_MBEDTLS */
+#endif /* HEADER_CURL_MBEDTLS_H */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/mesalink.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/mesalink.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/mesalink.c	(revision 85671)
@@ -0,0 +1,627 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2017 - 2018, Yiming Jing, <jingyiming@baidu.com>
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Source file for all MesaLink-specific code for the TLS/SSL layer. No code
+ * but vtls.c should ever call or use these functions.
+ *
+ */
+
+/*
+ * Based upon the CyaSSL implementation in cyassl.c and cyassl.h:
+ *   Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * Thanks for code and inspiration!
+ */
+
+#include "curl_setup.h"
+
+#ifdef USE_MESALINK
+
+#include <mesalink/options.h>
+#include <mesalink/version.h>
+
+#include "urldata.h"
+#include "sendf.h"
+#include "inet_pton.h"
+#include "vtls.h"
+#include "parsedate.h"
+#include "connect.h" /* for the connect timeout */
+#include "select.h"
+#include "strcase.h"
+#include "x509asn1.h"
+#include "curl_printf.h"
+
+#include "mesalink.h"
+#include <mesalink/openssl/ssl.h>
+#include <mesalink/openssl/err.h>
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#define MESALINK_MAX_ERROR_SZ 80
+
+struct ssl_backend_data
+{
+  SSL_CTX *ctx;
+  SSL *handle;
+};
+
+#define BACKEND connssl->backend
+
+static Curl_recv mesalink_recv;
+static Curl_send mesalink_send;
+
+/*
+ * This function loads all the client/CA certificates and CRLs. Setup the TLS
+ * layer and do all necessary magic.
+ */
+static CURLcode
+mesalink_connect_step1(struct connectdata *conn, int sockindex)
+{
+  char *ciphers;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  const bool verifypeer = SSL_CONN_CONFIG(verifypeer);
+  const char *const ssl_cafile = SSL_CONN_CONFIG(CAfile);
+  const char *const ssl_capath = SSL_CONN_CONFIG(CApath);
+  struct in_addr addr4;
+#ifdef ENABLE_IPV6
+  struct in6_addr addr6;
+#endif
+  const char *const hostname =
+    SSL_IS_PROXY() ? conn->http_proxy.host.name : conn->host.name;
+  size_t hostname_len = strlen(hostname);
+
+  SSL_METHOD *req_method = NULL;
+  curl_socket_t sockfd = conn->sock[sockindex];
+
+  if(connssl->state == ssl_connection_complete)
+    return CURLE_OK;
+
+  if(SSL_CONN_CONFIG(version_max) != CURL_SSLVERSION_MAX_NONE) {
+    failf(data, "MesaLink does not support to set maximum SSL/TLS version");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  switch(SSL_CONN_CONFIG(version)) {
+  case CURL_SSLVERSION_SSLv3:
+  case CURL_SSLVERSION_TLSv1:
+  case CURL_SSLVERSION_TLSv1_0:
+  case CURL_SSLVERSION_TLSv1_1:
+    failf(data, "MesaLink does not support SSL 3.0, TLS 1.0, or TLS 1.1");
+    return CURLE_NOT_BUILT_IN;
+  case CURL_SSLVERSION_DEFAULT:
+  case CURL_SSLVERSION_TLSv1_2:
+    req_method = TLSv1_2_client_method();
+    break;
+  case CURL_SSLVERSION_TLSv1_3:
+    req_method = TLSv1_3_client_method();
+    break;
+  case CURL_SSLVERSION_SSLv2:
+    failf(data, "MesaLink does not support SSLv2");
+    return CURLE_SSL_CONNECT_ERROR;
+  default:
+    failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  if(!req_method) {
+    failf(data, "SSL: couldn't create a method!");
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  if(BACKEND->ctx)
+    SSL_CTX_free(BACKEND->ctx);
+  BACKEND->ctx = SSL_CTX_new(req_method);
+
+  if(!BACKEND->ctx) {
+    failf(data, "SSL: couldn't create a context!");
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  SSL_CTX_set_verify(
+    BACKEND->ctx, verifypeer ? SSL_VERIFY_PEER : SSL_VERIFY_NONE, NULL);
+
+  if(ssl_cafile || ssl_capath) {
+    if(!SSL_CTX_load_verify_locations(BACKEND->ctx, ssl_cafile, ssl_capath)) {
+      if(verifypeer) {
+        failf(data,
+              "error setting certificate verify locations:\n"
+              "  CAfile: %s\n  CApath: %s",
+              ssl_cafile ? ssl_cafile : "none",
+              ssl_capath ? ssl_capath : "none");
+        return CURLE_SSL_CACERT_BADFILE;
+      }
+      infof(data,
+            "error setting certificate verify locations,"
+            " continuing anyway:\n");
+    }
+    else {
+      infof(data, "successfully set certificate verify locations:\n");
+    }
+    infof(data,
+          "  CAfile: %s\n"
+          "  CApath: %s\n",
+          ssl_cafile ? ssl_cafile : "none",
+          ssl_capath ? ssl_capath : "none");
+  }
+
+  ciphers = SSL_CONN_CONFIG(cipher_list);
+  if(ciphers) {
+#ifdef MESALINK_HAVE_CIPHER
+    if(!SSL_CTX_set_cipher_list(BACKEND->ctx, ciphers)) {
+      failf(data, "failed setting cipher list: %s", ciphers);
+      return CURLE_SSL_CIPHER;
+    }
+#endif
+    infof(data, "Cipher selection: %s\n", ciphers);
+  }
+
+  if(BACKEND->handle)
+    SSL_free(BACKEND->handle);
+  BACKEND->handle = SSL_new(BACKEND->ctx);
+  if(!BACKEND->handle) {
+    failf(data, "SSL: couldn't create a context (handle)!");
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  if((hostname_len < USHRT_MAX) &&
+     (0 == Curl_inet_pton(AF_INET, hostname, &addr4))
+#ifdef ENABLE_IPV6
+     && (0 == Curl_inet_pton(AF_INET6, hostname, &addr6))
+#endif
+  ) {
+    /* hostname is not a valid IP address */
+    if(SSL_set_tlsext_host_name(BACKEND->handle, hostname) != SSL_SUCCESS) {
+      failf(data,
+            "WARNING: failed to configure server name indication (SNI) "
+            "TLS extension\n");
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+  }
+  else {
+#ifdef CURLDEBUG
+    /* Check if the hostname is 127.0.0.1 or [::1];
+     * otherwise reject because MesaLink always wants a valid DNS Name
+     * specified in RFC 5280 Section 7.2 */
+    if(strncmp(hostname, "127.0.0.1", 9) == 0
+#ifdef ENABLE_IPV6
+       || strncmp(hostname, "[::1]", 5) == 0
+#endif
+    ) {
+      SSL_set_tlsext_host_name(BACKEND->handle, "localhost");
+    }
+    else
+#endif
+    {
+      failf(data,
+            "ERROR: MesaLink does not accept an IP address as a hostname\n");
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+  }
+
+#ifdef MESALINK_HAVE_SESSION
+  if(SSL_SET_OPTION(primary.sessionid)) {
+    void *ssl_sessionid = NULL;
+
+    Curl_ssl_sessionid_lock(conn);
+    if(!Curl_ssl_getsessionid(conn, &ssl_sessionid, NULL, sockindex)) {
+      /* we got a session id, use it! */
+      if(!SSL_set_session(BACKEND->handle, ssl_sessionid)) {
+        Curl_ssl_sessionid_unlock(conn);
+        failf(
+          data,
+          "SSL: SSL_set_session failed: %s",
+          ERR_error_string(SSL_get_error(BACKEND->handle, 0), error_buffer));
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      /* Informational message */
+      infof(data, "SSL re-using session ID\n");
+    }
+    Curl_ssl_sessionid_unlock(conn);
+  }
+#endif /* MESALINK_HAVE_SESSION */
+
+  if(SSL_set_fd(BACKEND->handle, (int)sockfd) != SSL_SUCCESS) {
+    failf(data, "SSL: SSL_set_fd failed");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  connssl->connecting_state = ssl_connect_2;
+  return CURLE_OK;
+}
+
+static CURLcode
+mesalink_connect_step2(struct connectdata *conn, int sockindex)
+{
+  int ret = -1;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+
+  conn->recv[sockindex] = mesalink_recv;
+  conn->send[sockindex] = mesalink_send;
+
+  ret = SSL_connect(BACKEND->handle);
+  if(ret != SSL_SUCCESS) {
+    char error_buffer[MESALINK_MAX_ERROR_SZ];
+    int detail = SSL_get_error(BACKEND->handle, ret);
+
+    if(SSL_ERROR_WANT_CONNECT == detail) {
+      connssl->connecting_state = ssl_connect_2_reading;
+      return CURLE_OK;
+    }
+    else {
+      failf(data,
+            "SSL_connect failed with error %d: %s",
+            detail,
+            ERR_error_string_n(detail, error_buffer, sizeof(error_buffer)));
+      ERR_print_errors_fp(stderr);
+      if(detail && SSL_CONN_CONFIG(verifypeer)) {
+        detail &= ~0xFF;
+        if(detail == TLS_ERROR_WEBPKI_ERRORS) {
+          failf(data, "Cert verify failed");
+          return CURLE_PEER_FAILED_VERIFICATION;
+        }
+      }
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+  }
+
+  connssl->connecting_state = ssl_connect_3;
+  infof(data,
+        "SSL connection using %s / %s\n",
+        SSL_get_version(BACKEND->handle),
+        SSL_get_cipher_name(BACKEND->handle));
+
+  return CURLE_OK;
+}
+
+static CURLcode
+mesalink_connect_step3(struct connectdata *conn, int sockindex)
+{
+  CURLcode result = CURLE_OK;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+
+  DEBUGASSERT(ssl_connect_3 == connssl->connecting_state);
+
+#ifdef MESALINK_HAVE_SESSION
+  if(SSL_SET_OPTION(primary.sessionid)) {
+    bool incache;
+    SSL_SESSION *our_ssl_sessionid;
+    void *old_ssl_sessionid = NULL;
+
+    our_ssl_sessionid = SSL_get_session(BACKEND->handle);
+
+    Curl_ssl_sessionid_lock(conn);
+    incache =
+      !(Curl_ssl_getsessionid(conn, &old_ssl_sessionid, NULL, sockindex));
+    if(incache) {
+      if(old_ssl_sessionid != our_ssl_sessionid) {
+        infof(data, "old SSL session ID is stale, removing\n");
+        Curl_ssl_delsessionid(conn, old_ssl_sessionid);
+        incache = FALSE;
+      }
+    }
+
+    if(!incache) {
+      result = Curl_ssl_addsessionid(
+        conn, our_ssl_sessionid, 0 /* unknown size */, sockindex);
+      if(result) {
+        Curl_ssl_sessionid_unlock(conn);
+        failf(data, "failed to store ssl session");
+        return result;
+      }
+    }
+    Curl_ssl_sessionid_unlock(conn);
+  }
+#endif /* MESALINK_HAVE_SESSION */
+
+  connssl->connecting_state = ssl_connect_done;
+
+  return result;
+}
+
+static ssize_t
+mesalink_send(struct connectdata *conn, int sockindex, const void *mem,
+              size_t len, CURLcode *curlcode)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  char error_buffer[MESALINK_MAX_ERROR_SZ];
+  int memlen = (len > (size_t)INT_MAX) ? INT_MAX : (int)len;
+  int rc = SSL_write(BACKEND->handle, mem, memlen);
+
+  if(rc < 0) {
+    int err = SSL_get_error(BACKEND->handle, rc);
+    switch(err) {
+    case SSL_ERROR_WANT_READ:
+    case SSL_ERROR_WANT_WRITE:
+      /* there's data pending, re-invoke SSL_write() */
+      *curlcode = CURLE_AGAIN;
+      return -1;
+    default:
+      failf(conn->data,
+            "SSL write: %s, errno %d",
+            ERR_error_string_n(err, error_buffer, sizeof(error_buffer)),
+            SOCKERRNO);
+      *curlcode = CURLE_SEND_ERROR;
+      return -1;
+    }
+  }
+  return rc;
+}
+
+static void
+Curl_mesalink_close(struct connectdata *conn, int sockindex)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+
+  if(BACKEND->handle) {
+    (void)SSL_shutdown(BACKEND->handle);
+    SSL_free(BACKEND->handle);
+    BACKEND->handle = NULL;
+  }
+  if(BACKEND->ctx) {
+    SSL_CTX_free(BACKEND->ctx);
+    BACKEND->ctx = NULL;
+  }
+}
+
+static ssize_t
+mesalink_recv(struct connectdata *conn, int num, char *buf, size_t buffersize,
+              CURLcode *curlcode)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[num];
+  char error_buffer[MESALINK_MAX_ERROR_SZ];
+  int buffsize = (buffersize > (size_t)INT_MAX) ? INT_MAX : (int)buffersize;
+  int nread = SSL_read(BACKEND->handle, buf, buffsize);
+
+  if(nread <= 0) {
+    int err = SSL_get_error(BACKEND->handle, nread);
+
+    switch(err) {
+    case SSL_ERROR_ZERO_RETURN: /* no more data */
+    case IO_ERROR_CONNECTION_ABORTED:
+      break;
+    case SSL_ERROR_WANT_READ:
+    case SSL_ERROR_WANT_WRITE:
+      /* there's data pending, re-invoke SSL_read() */
+      *curlcode = CURLE_AGAIN;
+      return -1;
+    default:
+      failf(conn->data,
+            "SSL read: %s, errno %d",
+            ERR_error_string_n(err, error_buffer, sizeof(error_buffer)),
+            SOCKERRNO);
+      *curlcode = CURLE_RECV_ERROR;
+      return -1;
+    }
+  }
+  return nread;
+}
+
+static size_t
+Curl_mesalink_version(char *buffer, size_t size)
+{
+  return msnprintf(buffer, size, "MesaLink/%s", MESALINK_VERSION_STRING);
+}
+
+static int
+Curl_mesalink_init(void)
+{
+  return (SSL_library_init() == SSL_SUCCESS);
+}
+
+/*
+ * This function is called to shut down the SSL layer but keep the
+ * socket open (CCC - Clear Command Channel)
+ */
+static int
+Curl_mesalink_shutdown(struct connectdata *conn, int sockindex)
+{
+  int retval = 0;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+
+  if(BACKEND->handle) {
+    SSL_free(BACKEND->handle);
+    BACKEND->handle = NULL;
+  }
+  return retval;
+}
+
+static CURLcode
+mesalink_connect_common(struct connectdata *conn, int sockindex,
+                        bool nonblocking, bool *done)
+{
+  CURLcode result;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  curl_socket_t sockfd = conn->sock[sockindex];
+  time_t timeout_ms;
+  int what;
+
+  /* check if the connection has already been established */
+  if(ssl_connection_complete == connssl->state) {
+    *done = TRUE;
+    return CURLE_OK;
+  }
+
+  if(ssl_connect_1 == connssl->connecting_state) {
+    /* Find out how much more time we're allowed */
+    timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+    if(timeout_ms < 0) {
+      /* no need to continue if time already is up */
+      failf(data, "SSL connection timeout");
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+
+    result = mesalink_connect_step1(conn, sockindex);
+    if(result)
+      return result;
+  }
+
+  while(ssl_connect_2 == connssl->connecting_state ||
+        ssl_connect_2_reading == connssl->connecting_state ||
+        ssl_connect_2_writing == connssl->connecting_state) {
+
+    /* check allowed time left */
+    timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+    if(timeout_ms < 0) {
+      /* no need to continue if time already is up */
+      failf(data, "SSL connection timeout");
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+
+    /* if ssl is expecting something, check if it's available. */
+    if(connssl->connecting_state == ssl_connect_2_reading ||
+       connssl->connecting_state == ssl_connect_2_writing) {
+
+      curl_socket_t writefd =
+        ssl_connect_2_writing == connssl->connecting_state ? sockfd
+                                                           : CURL_SOCKET_BAD;
+      curl_socket_t readfd = ssl_connect_2_reading == connssl->connecting_state
+                               ? sockfd
+                               : CURL_SOCKET_BAD;
+
+      what = Curl_socket_check(
+        readfd, CURL_SOCKET_BAD, writefd, nonblocking ? 0 : timeout_ms);
+      if(what < 0) {
+        /* fatal error */
+        failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      else if(0 == what) {
+        if(nonblocking) {
+          *done = FALSE;
+          return CURLE_OK;
+        }
+        else {
+          /* timeout */
+          failf(data, "SSL connection timeout");
+          return CURLE_OPERATION_TIMEDOUT;
+        }
+      }
+      /* socket is readable or writable */
+    }
+
+    /* Run transaction, and return to the caller if it failed or if
+     * this connection is part of a multi handle and this loop would
+     * execute again. This permits the owner of a multi handle to
+     * abort a connection attempt before step2 has completed while
+     * ensuring that a client using select() or epoll() will always
+     * have a valid fdset to wait on.
+     */
+    result = mesalink_connect_step2(conn, sockindex);
+
+    if(result ||
+       (nonblocking && (ssl_connect_2 == connssl->connecting_state ||
+                        ssl_connect_2_reading == connssl->connecting_state ||
+                        ssl_connect_2_writing == connssl->connecting_state))) {
+      return result;
+    }
+  } /* repeat step2 until all transactions are done. */
+
+  if(ssl_connect_3 == connssl->connecting_state) {
+    result = mesalink_connect_step3(conn, sockindex);
+    if(result)
+      return result;
+  }
+
+  if(ssl_connect_done == connssl->connecting_state) {
+    connssl->state = ssl_connection_complete;
+    conn->recv[sockindex] = mesalink_recv;
+    conn->send[sockindex] = mesalink_send;
+    *done = TRUE;
+  }
+  else
+    *done = FALSE;
+
+  /* Reset our connect state machine */
+  connssl->connecting_state = ssl_connect_1;
+
+  return CURLE_OK;
+}
+
+static CURLcode
+Curl_mesalink_connect_nonblocking(struct connectdata *conn, int sockindex,
+                                  bool *done)
+{
+  return mesalink_connect_common(conn, sockindex, TRUE, done);
+}
+
+static CURLcode
+Curl_mesalink_connect(struct connectdata *conn, int sockindex)
+{
+  CURLcode result;
+  bool done = FALSE;
+
+  result = mesalink_connect_common(conn, sockindex, FALSE, &done);
+  if(result)
+    return result;
+
+  DEBUGASSERT(done);
+
+  return CURLE_OK;
+}
+
+static void *
+Curl_mesalink_get_internals(struct ssl_connect_data *connssl,
+                            CURLINFO info UNUSED_PARAM)
+{
+  (void)info;
+  return BACKEND->handle;
+}
+
+const struct Curl_ssl Curl_ssl_mesalink = {
+  { CURLSSLBACKEND_MESALINK, "MesaLink" }, /* info */
+
+  SSLSUPP_SSL_CTX,
+
+  sizeof(struct ssl_backend_data),
+
+  Curl_mesalink_init, /* init */
+  Curl_none_cleanup, /* cleanup */
+  Curl_mesalink_version, /* version */
+  Curl_none_check_cxn, /* check_cxn */
+  Curl_mesalink_shutdown, /* shutdown */
+  Curl_none_data_pending, /* data_pending */
+  Curl_none_random, /* random */
+  Curl_none_cert_status_request, /* cert_status_request */
+  Curl_mesalink_connect, /* connect */
+  Curl_mesalink_connect_nonblocking, /* connect_nonblocking */
+  Curl_mesalink_get_internals, /* get_internals */
+  Curl_mesalink_close, /* close_one */
+  Curl_none_close_all, /* close_all */
+  Curl_none_session_free, /* session_free */
+  Curl_none_set_engine, /* set_engine */
+  Curl_none_set_engine_default, /* set_engine_default */
+  Curl_none_engines_list, /* engines_list */
+  Curl_none_false_start, /* false_start */
+  Curl_none_md5sum, /* md5sum */
+  NULL /* sha256sum */
+};
+
+#endif
Index: trunk/src/libs/curl-7.64.0/lib/vtls/mesalink.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/mesalink.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/mesalink.h	(revision 85671)
@@ -0,0 +1,32 @@
+#ifndef HEADER_CURL_MESALINK_H
+#define HEADER_CURL_MESALINK_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2017-2018, Yiming Jing, <jingyiming@baidu.com>
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#ifdef USE_MESALINK
+
+extern const struct Curl_ssl Curl_ssl_mesalink;
+
+#endif /* USE_MESALINK */
+#endif /* HEADER_CURL_MESALINK_H */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/nss.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/nss.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/nss.c	(revision 85671)
@@ -0,0 +1,2431 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Source file for all NSS-specific code for the TLS/SSL layer. No code
+ * but vtls.c should ever call or use these functions.
+ */
+
+#include "curl_setup.h"
+
+#ifdef USE_NSS
+
+#include "urldata.h"
+#include "sendf.h"
+#include "formdata.h" /* for the boundary function */
+#include "url.h" /* for the ssl config check function */
+#include "connect.h"
+#include "strcase.h"
+#include "select.h"
+#include "vtls.h"
+#include "llist.h"
+#include "curl_printf.h"
+#include "nssg.h"
+#include <nspr.h>
+#include <nss.h>
+#include <ssl.h>
+#include <sslerr.h>
+#include <secerr.h>
+#include <secmod.h>
+#include <sslproto.h>
+#include <prtypes.h>
+#include <pk11pub.h>
+#include <prio.h>
+#include <secitem.h>
+#include <secport.h>
+#include <certdb.h>
+#include <base64.h>
+#include <cert.h>
+#include <prerror.h>
+#include <keyhi.h>         /* for SECKEY_DestroyPublicKey() */
+#include <private/pprio.h> /* for PR_ImportTCPSocket */
+
+#define NSSVERNUM ((NSS_VMAJOR<<16)|(NSS_VMINOR<<8)|NSS_VPATCH)
+
+#if NSSVERNUM >= 0x030f00 /* 3.15.0 */
+#include <ocsp.h>
+#endif
+
+#include "strcase.h"
+#include "warnless.h"
+#include "x509asn1.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#define SSL_DIR "/etc/pki/nssdb"
+
+/* enough to fit the string "PEM Token #[0|1]" */
+#define SLOTSIZE 13
+
+struct ssl_backend_data {
+  PRFileDesc *handle;
+  char *client_nickname;
+  struct Curl_easy *data;
+  struct curl_llist obj_list;
+  PK11GenericObject *obj_clicert;
+};
+
+#define BACKEND connssl->backend
+
+static PRLock *nss_initlock = NULL;
+static PRLock *nss_crllock = NULL;
+static PRLock *nss_findslot_lock = NULL;
+static PRLock *nss_trustload_lock = NULL;
+static struct curl_llist nss_crl_list;
+static NSSInitContext *nss_context = NULL;
+static volatile int initialized = 0;
+
+/* type used to wrap pointers as list nodes */
+struct ptr_list_wrap {
+  void *ptr;
+  struct curl_llist_element node;
+};
+
+typedef struct {
+  const char *name;
+  int num;
+} cipher_s;
+
+#define PK11_SETATTRS(_attr, _idx, _type, _val, _len) do {  \
+  CK_ATTRIBUTE *ptr = (_attr) + ((_idx)++);                 \
+  ptr->type = (_type);                                      \
+  ptr->pValue = (_val);                                     \
+  ptr->ulValueLen = (_len);                                 \
+} WHILE_FALSE
+
+#define CERT_NewTempCertificate __CERT_NewTempCertificate
+
+#define NUM_OF_CIPHERS sizeof(cipherlist)/sizeof(cipherlist[0])
+static const cipher_s cipherlist[] = {
+  /* SSL2 cipher suites */
+  {"rc4",                        SSL_EN_RC4_128_WITH_MD5},
+  {"rc4-md5",                    SSL_EN_RC4_128_WITH_MD5},
+  {"rc4export",                  SSL_EN_RC4_128_EXPORT40_WITH_MD5},
+  {"rc2",                        SSL_EN_RC2_128_CBC_WITH_MD5},
+  {"rc2export",                  SSL_EN_RC2_128_CBC_EXPORT40_WITH_MD5},
+  {"des",                        SSL_EN_DES_64_CBC_WITH_MD5},
+  {"desede3",                    SSL_EN_DES_192_EDE3_CBC_WITH_MD5},
+  /* SSL3/TLS cipher suites */
+  {"rsa_rc4_128_md5",            SSL_RSA_WITH_RC4_128_MD5},
+  {"rsa_rc4_128_sha",            SSL_RSA_WITH_RC4_128_SHA},
+  {"rsa_3des_sha",               SSL_RSA_WITH_3DES_EDE_CBC_SHA},
+  {"rsa_des_sha",                SSL_RSA_WITH_DES_CBC_SHA},
+  {"rsa_rc4_40_md5",             SSL_RSA_EXPORT_WITH_RC4_40_MD5},
+  {"rsa_rc2_40_md5",             SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5},
+  {"rsa_null_md5",               SSL_RSA_WITH_NULL_MD5},
+  {"rsa_null_sha",               SSL_RSA_WITH_NULL_SHA},
+  {"fips_3des_sha",              SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA},
+  {"fips_des_sha",               SSL_RSA_FIPS_WITH_DES_CBC_SHA},
+  {"fortezza",                   SSL_FORTEZZA_DMS_WITH_FORTEZZA_CBC_SHA},
+  {"fortezza_rc4_128_sha",       SSL_FORTEZZA_DMS_WITH_RC4_128_SHA},
+  {"fortezza_null",              SSL_FORTEZZA_DMS_WITH_NULL_SHA},
+  /* TLS 1.0: Exportable 56-bit Cipher Suites. */
+  {"rsa_des_56_sha",             TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA},
+  {"rsa_rc4_56_sha",             TLS_RSA_EXPORT1024_WITH_RC4_56_SHA},
+  /* AES ciphers. */
+  {"dhe_dss_aes_128_cbc_sha",    TLS_DHE_DSS_WITH_AES_128_CBC_SHA},
+  {"dhe_dss_aes_256_cbc_sha",    TLS_DHE_DSS_WITH_AES_256_CBC_SHA},
+  {"dhe_rsa_aes_128_cbc_sha",    TLS_DHE_RSA_WITH_AES_128_CBC_SHA},
+  {"dhe_rsa_aes_256_cbc_sha",    TLS_DHE_RSA_WITH_AES_256_CBC_SHA},
+  {"rsa_aes_128_sha",            TLS_RSA_WITH_AES_128_CBC_SHA},
+  {"rsa_aes_256_sha",            TLS_RSA_WITH_AES_256_CBC_SHA},
+  /* ECC ciphers. */
+  {"ecdh_ecdsa_null_sha",        TLS_ECDH_ECDSA_WITH_NULL_SHA},
+  {"ecdh_ecdsa_rc4_128_sha",     TLS_ECDH_ECDSA_WITH_RC4_128_SHA},
+  {"ecdh_ecdsa_3des_sha",        TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA},
+  {"ecdh_ecdsa_aes_128_sha",     TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA},
+  {"ecdh_ecdsa_aes_256_sha",     TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA},
+  {"ecdhe_ecdsa_null_sha",       TLS_ECDHE_ECDSA_WITH_NULL_SHA},
+  {"ecdhe_ecdsa_rc4_128_sha",    TLS_ECDHE_ECDSA_WITH_RC4_128_SHA},
+  {"ecdhe_ecdsa_3des_sha",       TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA},
+  {"ecdhe_ecdsa_aes_128_sha",    TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA},
+  {"ecdhe_ecdsa_aes_256_sha",    TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA},
+  {"ecdh_rsa_null_sha",          TLS_ECDH_RSA_WITH_NULL_SHA},
+  {"ecdh_rsa_128_sha",           TLS_ECDH_RSA_WITH_RC4_128_SHA},
+  {"ecdh_rsa_3des_sha",          TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA},
+  {"ecdh_rsa_aes_128_sha",       TLS_ECDH_RSA_WITH_AES_128_CBC_SHA},
+  {"ecdh_rsa_aes_256_sha",       TLS_ECDH_RSA_WITH_AES_256_CBC_SHA},
+  {"ecdhe_rsa_null",             TLS_ECDHE_RSA_WITH_NULL_SHA},
+  {"ecdhe_rsa_rc4_128_sha",      TLS_ECDHE_RSA_WITH_RC4_128_SHA},
+  {"ecdhe_rsa_3des_sha",         TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA},
+  {"ecdhe_rsa_aes_128_sha",      TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA},
+  {"ecdhe_rsa_aes_256_sha",      TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA},
+  {"ecdh_anon_null_sha",         TLS_ECDH_anon_WITH_NULL_SHA},
+  {"ecdh_anon_rc4_128sha",       TLS_ECDH_anon_WITH_RC4_128_SHA},
+  {"ecdh_anon_3des_sha",         TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA},
+  {"ecdh_anon_aes_128_sha",      TLS_ECDH_anon_WITH_AES_128_CBC_SHA},
+  {"ecdh_anon_aes_256_sha",      TLS_ECDH_anon_WITH_AES_256_CBC_SHA},
+#ifdef TLS_RSA_WITH_NULL_SHA256
+  /* new HMAC-SHA256 cipher suites specified in RFC */
+  {"rsa_null_sha_256",                TLS_RSA_WITH_NULL_SHA256},
+  {"rsa_aes_128_cbc_sha_256",         TLS_RSA_WITH_AES_128_CBC_SHA256},
+  {"rsa_aes_256_cbc_sha_256",         TLS_RSA_WITH_AES_256_CBC_SHA256},
+  {"dhe_rsa_aes_128_cbc_sha_256",     TLS_DHE_RSA_WITH_AES_128_CBC_SHA256},
+  {"dhe_rsa_aes_256_cbc_sha_256",     TLS_DHE_RSA_WITH_AES_256_CBC_SHA256},
+  {"ecdhe_ecdsa_aes_128_cbc_sha_256", TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256},
+  {"ecdhe_rsa_aes_128_cbc_sha_256",   TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256},
+#endif
+#ifdef TLS_RSA_WITH_AES_128_GCM_SHA256
+  /* AES GCM cipher suites in RFC 5288 and RFC 5289 */
+  {"rsa_aes_128_gcm_sha_256",         TLS_RSA_WITH_AES_128_GCM_SHA256},
+  {"dhe_rsa_aes_128_gcm_sha_256",     TLS_DHE_RSA_WITH_AES_128_GCM_SHA256},
+  {"dhe_dss_aes_128_gcm_sha_256",     TLS_DHE_DSS_WITH_AES_128_GCM_SHA256},
+  {"ecdhe_ecdsa_aes_128_gcm_sha_256", TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256},
+  {"ecdh_ecdsa_aes_128_gcm_sha_256",  TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256},
+  {"ecdhe_rsa_aes_128_gcm_sha_256",   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
+  {"ecdh_rsa_aes_128_gcm_sha_256",    TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256},
+#endif
+#ifdef TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
+  /* cipher suites using SHA384 */
+  {"rsa_aes_256_gcm_sha_384",         TLS_RSA_WITH_AES_256_GCM_SHA384},
+  {"dhe_rsa_aes_256_gcm_sha_384",     TLS_DHE_RSA_WITH_AES_256_GCM_SHA384},
+  {"dhe_dss_aes_256_gcm_sha_384",     TLS_DHE_DSS_WITH_AES_256_GCM_SHA384},
+  {"ecdhe_ecdsa_aes_256_sha_384",     TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384},
+  {"ecdhe_rsa_aes_256_sha_384",       TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384},
+  {"ecdhe_ecdsa_aes_256_gcm_sha_384", TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384},
+  {"ecdhe_rsa_aes_256_gcm_sha_384",   TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384},
+#endif
+#ifdef TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256
+  /* chacha20-poly1305 cipher suites */
+ {"ecdhe_rsa_chacha20_poly1305_sha_256",
+     TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256},
+ {"ecdhe_ecdsa_chacha20_poly1305_sha_256",
+     TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256},
+ {"dhe_rsa_chacha20_poly1305_sha_256",
+     TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256},
+#endif
+};
+
+#ifdef WIN32
+static const char *pem_library = "nsspem.dll";
+static const char *trust_library = "nssckbi.dll";
+#else
+static const char *pem_library = "libnsspem.so";
+static const char *trust_library = "libnssckbi.so";
+#endif
+
+static SECMODModule *pem_module = NULL;
+static SECMODModule *trust_module = NULL;
+
+/* NSPR I/O layer we use to detect blocking direction during SSL handshake */
+static PRDescIdentity nspr_io_identity = PR_INVALID_IO_LAYER;
+static PRIOMethods nspr_io_methods;
+
+static const char *nss_error_to_name(PRErrorCode code)
+{
+  const char *name = PR_ErrorToName(code);
+  if(name)
+    return name;
+
+  return "unknown error";
+}
+
+static void nss_print_error_message(struct Curl_easy *data, PRUint32 err)
+{
+  failf(data, "%s", PR_ErrorToString(err, PR_LANGUAGE_I_DEFAULT));
+}
+
+static char *nss_sslver_to_name(PRUint16 nssver)
+{
+  switch(nssver) {
+  case SSL_LIBRARY_VERSION_2:
+    return strdup("SSLv2");
+  case SSL_LIBRARY_VERSION_3_0:
+    return strdup("SSLv3");
+  case SSL_LIBRARY_VERSION_TLS_1_0:
+    return strdup("TLSv1.0");
+#ifdef SSL_LIBRARY_VERSION_TLS_1_1
+  case SSL_LIBRARY_VERSION_TLS_1_1:
+    return strdup("TLSv1.1");
+#endif
+#ifdef SSL_LIBRARY_VERSION_TLS_1_2
+  case SSL_LIBRARY_VERSION_TLS_1_2:
+    return strdup("TLSv1.2");
+#endif
+#ifdef SSL_LIBRARY_VERSION_TLS_1_3
+  case SSL_LIBRARY_VERSION_TLS_1_3:
+    return strdup("TLSv1.3");
+#endif
+  default:
+    return curl_maprintf("0x%04x", nssver);
+  }
+}
+
+static SECStatus set_ciphers(struct Curl_easy *data, PRFileDesc * model,
+                             char *cipher_list)
+{
+  unsigned int i;
+  PRBool cipher_state[NUM_OF_CIPHERS];
+  PRBool found;
+  char *cipher;
+
+  /* use accessors to avoid dynamic linking issues after an update of NSS */
+  const PRUint16 num_implemented_ciphers = SSL_GetNumImplementedCiphers();
+  const PRUint16 *implemented_ciphers = SSL_GetImplementedCiphers();
+  if(!implemented_ciphers)
+    return SECFailure;
+
+  /* First disable all ciphers. This uses a different max value in case
+   * NSS adds more ciphers later we don't want them available by
+   * accident
+   */
+  for(i = 0; i < num_implemented_ciphers; i++) {
+    SSL_CipherPrefSet(model, implemented_ciphers[i], PR_FALSE);
+  }
+
+  /* Set every entry in our list to false */
+  for(i = 0; i < NUM_OF_CIPHERS; i++) {
+    cipher_state[i] = PR_FALSE;
+  }
+
+  cipher = cipher_list;
+
+  while(cipher_list && (cipher_list[0])) {
+    while((*cipher) && (ISSPACE(*cipher)))
+      ++cipher;
+
+    cipher_list = strchr(cipher, ',');
+    if(cipher_list) {
+      *cipher_list++ = '\0';
+    }
+
+    found = PR_FALSE;
+
+    for(i = 0; i<NUM_OF_CIPHERS; i++) {
+      if(strcasecompare(cipher, cipherlist[i].name)) {
+        cipher_state[i] = PR_TRUE;
+        found = PR_TRUE;
+        break;
+      }
+    }
+
+    if(found == PR_FALSE) {
+      failf(data, "Unknown cipher in list: %s", cipher);
+      return SECFailure;
+    }
+
+    if(cipher_list) {
+      cipher = cipher_list;
+    }
+  }
+
+  /* Finally actually enable the selected ciphers */
+  for(i = 0; i<NUM_OF_CIPHERS; i++) {
+    if(!cipher_state[i])
+      continue;
+
+    if(SSL_CipherPrefSet(model, cipherlist[i].num, PR_TRUE) != SECSuccess) {
+      failf(data, "cipher-suite not supported by NSS: %s", cipherlist[i].name);
+      return SECFailure;
+    }
+  }
+
+  return SECSuccess;
+}
+
+/*
+ * Return true if at least one cipher-suite is enabled. Used to determine
+ * if we need to call NSS_SetDomesticPolicy() to enable the default ciphers.
+ */
+static bool any_cipher_enabled(void)
+{
+  unsigned int i;
+
+  for(i = 0; i<NUM_OF_CIPHERS; i++) {
+    PRInt32 policy = 0;
+    SSL_CipherPolicyGet(cipherlist[i].num, &policy);
+    if(policy)
+      return TRUE;
+  }
+
+  return FALSE;
+}
+
+/*
+ * Determine whether the nickname passed in is a filename that needs to
+ * be loaded as a PEM or a regular NSS nickname.
+ *
+ * returns 1 for a file
+ * returns 0 for not a file (NSS nickname)
+ */
+static int is_file(const char *filename)
+{
+  struct_stat st;
+
+  if(filename == NULL)
+    return 0;
+
+  if(stat(filename, &st) == 0)
+    if(S_ISREG(st.st_mode))
+      return 1;
+
+  return 0;
+}
+
+/* Check if the given string is filename or nickname of a certificate.  If the
+ * given string is recognized as filename, return NULL.  If the given string is
+ * recognized as nickname, return a duplicated string.  The returned string
+ * should be later deallocated using free().  If the OOM failure occurs, we
+ * return NULL, too.
+ */
+static char *dup_nickname(struct Curl_easy *data, const char *str)
+{
+  const char *n;
+
+  if(!is_file(str))
+    /* no such file exists, use the string as nickname */
+    return strdup(str);
+
+  /* search the first slash; we require at least one slash in a file name */
+  n = strchr(str, '/');
+  if(!n) {
+    infof(data, "warning: certificate file name \"%s\" handled as nickname; "
+          "please use \"./%s\" to force file name\n", str, str);
+    return strdup(str);
+  }
+
+  /* we'll use the PEM reader to read the certificate from file */
+  return NULL;
+}
+
+/* Lock/unlock wrapper for PK11_FindSlotByName() to work around race condition
+ * in nssSlot_IsTokenPresent() causing spurious SEC_ERROR_NO_TOKEN.  For more
+ * details, go to <https://bugzilla.mozilla.org/1297397>.
+ */
+static PK11SlotInfo* nss_find_slot_by_name(const char *slot_name)
+{
+  PK11SlotInfo *slot;
+  PR_Lock(nss_findslot_lock);
+  slot = PK11_FindSlotByName(slot_name);
+  PR_Unlock(nss_findslot_lock);
+  return slot;
+}
+
+/* wrap 'ptr' as list node and tail-insert into 'list' */
+static CURLcode insert_wrapped_ptr(struct curl_llist *list, void *ptr)
+{
+  struct ptr_list_wrap *wrap = malloc(sizeof(*wrap));
+  if(!wrap)
+    return CURLE_OUT_OF_MEMORY;
+
+  wrap->ptr = ptr;
+  Curl_llist_insert_next(list, list->tail, wrap, &wrap->node);
+  return CURLE_OK;
+}
+
+/* Call PK11_CreateGenericObject() with the given obj_class and filename.  If
+ * the call succeeds, append the object handle to the list of objects so that
+ * the object can be destroyed in Curl_nss_close(). */
+static CURLcode nss_create_object(struct ssl_connect_data *connssl,
+                                  CK_OBJECT_CLASS obj_class,
+                                  const char *filename, bool cacert)
+{
+  PK11SlotInfo *slot;
+  PK11GenericObject *obj;
+  CK_BBOOL cktrue = CK_TRUE;
+  CK_BBOOL ckfalse = CK_FALSE;
+  CK_ATTRIBUTE attrs[/* max count of attributes */ 4];
+  int attr_cnt = 0;
+  CURLcode result = (cacert)
+    ? CURLE_SSL_CACERT_BADFILE
+    : CURLE_SSL_CERTPROBLEM;
+
+  const int slot_id = (cacert) ? 0 : 1;
+  char *slot_name = aprintf("PEM Token #%d", slot_id);
+  if(!slot_name)
+    return CURLE_OUT_OF_MEMORY;
+
+  slot = nss_find_slot_by_name(slot_name);
+  free(slot_name);
+  if(!slot)
+    return result;
+
+  PK11_SETATTRS(attrs, attr_cnt, CKA_CLASS, &obj_class, sizeof(obj_class));
+  PK11_SETATTRS(attrs, attr_cnt, CKA_TOKEN, &cktrue, sizeof(CK_BBOOL));
+  PK11_SETATTRS(attrs, attr_cnt, CKA_LABEL, (unsigned char *)filename,
+                (CK_ULONG)strlen(filename) + 1);
+
+  if(CKO_CERTIFICATE == obj_class) {
+    CK_BBOOL *pval = (cacert) ? (&cktrue) : (&ckfalse);
+    PK11_SETATTRS(attrs, attr_cnt, CKA_TRUST, pval, sizeof(*pval));
+  }
+
+  /* PK11_CreateManagedGenericObject() was introduced in NSS 3.34 because
+   * PK11_DestroyGenericObject() does not release resources allocated by
+   * PK11_CreateGenericObject() early enough.  */
+  obj =
+#ifdef HAVE_PK11_CREATEMANAGEDGENERICOBJECT
+    PK11_CreateManagedGenericObject
+#else
+    PK11_CreateGenericObject
+#endif
+    (slot, attrs, attr_cnt, PR_FALSE);
+
+  PK11_FreeSlot(slot);
+  if(!obj)
+    return result;
+
+  if(insert_wrapped_ptr(&BACKEND->obj_list, obj) != CURLE_OK) {
+    PK11_DestroyGenericObject(obj);
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  if(!cacert && CKO_CERTIFICATE == obj_class)
+    /* store reference to a client certificate */
+    BACKEND->obj_clicert = obj;
+
+  return CURLE_OK;
+}
+
+/* Destroy the NSS object whose handle is given by ptr.  This function is
+ * a callback of Curl_llist_alloc() used by Curl_llist_destroy() to destroy
+ * NSS objects in Curl_nss_close() */
+static void nss_destroy_object(void *user, void *ptr)
+{
+  struct ptr_list_wrap *wrap = (struct ptr_list_wrap *) ptr;
+  PK11GenericObject *obj = (PK11GenericObject *) wrap->ptr;
+  (void) user;
+  PK11_DestroyGenericObject(obj);
+  free(wrap);
+}
+
+/* same as nss_destroy_object() but for CRL items */
+static void nss_destroy_crl_item(void *user, void *ptr)
+{
+  struct ptr_list_wrap *wrap = (struct ptr_list_wrap *) ptr;
+  SECItem *crl_der = (SECItem *) wrap->ptr;
+  (void) user;
+  SECITEM_FreeItem(crl_der, PR_TRUE);
+  free(wrap);
+}
+
+static CURLcode nss_load_cert(struct ssl_connect_data *ssl,
+                              const char *filename, PRBool cacert)
+{
+  CURLcode result = (cacert)
+    ? CURLE_SSL_CACERT_BADFILE
+    : CURLE_SSL_CERTPROBLEM;
+
+  /* libnsspem.so leaks memory if the requested file does not exist.  For more
+   * details, go to <https://bugzilla.redhat.com/734760>. */
+  if(is_file(filename))
+    result = nss_create_object(ssl, CKO_CERTIFICATE, filename, cacert);
+
+  if(!result && !cacert) {
+    /* we have successfully loaded a client certificate */
+    CERTCertificate *cert;
+    char *nickname = NULL;
+    char *n = strrchr(filename, '/');
+    if(n)
+      n++;
+
+    /* The following undocumented magic helps to avoid a SIGSEGV on call
+     * of PK11_ReadRawAttribute() from SelectClientCert() when using an
+     * immature version of libnsspem.so.  For more details, go to
+     * <https://bugzilla.redhat.com/733685>. */
+    nickname = aprintf("PEM Token #1:%s", n);
+    if(nickname) {
+      cert = PK11_FindCertFromNickname(nickname, NULL);
+      if(cert)
+        CERT_DestroyCertificate(cert);
+
+      free(nickname);
+    }
+  }
+
+  return result;
+}
+
+/* add given CRL to cache if it is not already there */
+static CURLcode nss_cache_crl(SECItem *crl_der)
+{
+  CERTCertDBHandle *db = CERT_GetDefaultCertDB();
+  CERTSignedCrl *crl = SEC_FindCrlByDERCert(db, crl_der, 0);
+  if(crl) {
+    /* CRL already cached */
+    SEC_DestroyCrl(crl);
+    SECITEM_FreeItem(crl_der, PR_TRUE);
+    return CURLE_OK;
+  }
+
+  /* acquire lock before call of CERT_CacheCRL() and accessing nss_crl_list */
+  PR_Lock(nss_crllock);
+
+  /* store the CRL item so that we can free it in Curl_nss_cleanup() */
+  if(insert_wrapped_ptr(&nss_crl_list, crl_der) != CURLE_OK) {
+    SECITEM_FreeItem(crl_der, PR_TRUE);
+    PR_Unlock(nss_crllock);
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  if(SECSuccess != CERT_CacheCRL(db, crl_der)) {
+    /* unable to cache CRL */
+    PR_Unlock(nss_crllock);
+    return CURLE_SSL_CRL_BADFILE;
+  }
+
+  /* we need to clear session cache, so that the CRL could take effect */
+  SSL_ClearSessionCache();
+  PR_Unlock(nss_crllock);
+  return CURLE_OK;
+}
+
+static CURLcode nss_load_crl(const char *crlfilename)
+{
+  PRFileDesc *infile;
+  PRFileInfo  info;
+  SECItem filedata = { 0, NULL, 0 };
+  SECItem *crl_der = NULL;
+  char *body;
+
+  infile = PR_Open(crlfilename, PR_RDONLY, 0);
+  if(!infile)
+    return CURLE_SSL_CRL_BADFILE;
+
+  if(PR_SUCCESS != PR_GetOpenFileInfo(infile, &info))
+    goto fail;
+
+  if(!SECITEM_AllocItem(NULL, &filedata, info.size + /* zero ended */ 1))
+    goto fail;
+
+  if(info.size != PR_Read(infile, filedata.data, info.size))
+    goto fail;
+
+  crl_der = SECITEM_AllocItem(NULL, NULL, 0U);
+  if(!crl_der)
+    goto fail;
+
+  /* place a trailing zero right after the visible data */
+  body = (char *)filedata.data;
+  body[--filedata.len] = '\0';
+
+  body = strstr(body, "-----BEGIN");
+  if(body) {
+    /* assume ASCII */
+    char *trailer;
+    char *begin = PORT_Strchr(body, '\n');
+    if(!begin)
+      begin = PORT_Strchr(body, '\r');
+    if(!begin)
+      goto fail;
+
+    trailer = strstr(++begin, "-----END");
+    if(!trailer)
+      goto fail;
+
+    /* retrieve DER from ASCII */
+    *trailer = '\0';
+    if(ATOB_ConvertAsciiToItem(crl_der, begin))
+      goto fail;
+
+    SECITEM_FreeItem(&filedata, PR_FALSE);
+  }
+  else
+    /* assume DER */
+    *crl_der = filedata;
+
+  PR_Close(infile);
+  return nss_cache_crl(crl_der);
+
+fail:
+  PR_Close(infile);
+  SECITEM_FreeItem(crl_der, PR_TRUE);
+  SECITEM_FreeItem(&filedata, PR_FALSE);
+  return CURLE_SSL_CRL_BADFILE;
+}
+
+static CURLcode nss_load_key(struct connectdata *conn, int sockindex,
+                             char *key_file)
+{
+  PK11SlotInfo *slot, *tmp;
+  SECStatus status;
+  CURLcode result;
+  struct ssl_connect_data *ssl = conn->ssl;
+  struct Curl_easy *data = conn->data;
+
+  (void)sockindex; /* unused */
+
+  result = nss_create_object(ssl, CKO_PRIVATE_KEY, key_file, FALSE);
+  if(result) {
+    PR_SetError(SEC_ERROR_BAD_KEY, 0);
+    return result;
+  }
+
+  slot = nss_find_slot_by_name("PEM Token #1");
+  if(!slot)
+    return CURLE_SSL_CERTPROBLEM;
+
+  /* This will force the token to be seen as re-inserted */
+  tmp = SECMOD_WaitForAnyTokenEvent(pem_module, 0, 0);
+  if(tmp)
+    PK11_FreeSlot(tmp);
+  PK11_IsPresent(slot);
+
+  status = PK11_Authenticate(slot, PR_TRUE, SSL_SET_OPTION(key_passwd));
+  PK11_FreeSlot(slot);
+
+  return (SECSuccess == status) ? CURLE_OK : CURLE_SSL_CERTPROBLEM;
+}
+
+static int display_error(struct connectdata *conn, PRInt32 err,
+                         const char *filename)
+{
+  switch(err) {
+  case SEC_ERROR_BAD_PASSWORD:
+    failf(conn->data, "Unable to load client key: Incorrect password");
+    return 1;
+  case SEC_ERROR_UNKNOWN_CERT:
+    failf(conn->data, "Unable to load certificate %s", filename);
+    return 1;
+  default:
+    break;
+  }
+  return 0; /* The caller will print a generic error */
+}
+
+static CURLcode cert_stuff(struct connectdata *conn, int sockindex,
+                           char *cert_file, char *key_file)
+{
+  struct Curl_easy *data = conn->data;
+  CURLcode result;
+
+  if(cert_file) {
+    result = nss_load_cert(&conn->ssl[sockindex], cert_file, PR_FALSE);
+    if(result) {
+      const PRErrorCode err = PR_GetError();
+      if(!display_error(conn, err, cert_file)) {
+        const char *err_name = nss_error_to_name(err);
+        failf(data, "unable to load client cert: %d (%s)", err, err_name);
+      }
+
+      return result;
+    }
+  }
+
+  if(key_file || (is_file(cert_file))) {
+    if(key_file)
+      result = nss_load_key(conn, sockindex, key_file);
+    else
+      /* In case the cert file also has the key */
+      result = nss_load_key(conn, sockindex, cert_file);
+    if(result) {
+      const PRErrorCode err = PR_GetError();
+      if(!display_error(conn, err, key_file)) {
+        const char *err_name = nss_error_to_name(err);
+        failf(data, "unable to load client key: %d (%s)", err, err_name);
+      }
+
+      return result;
+    }
+  }
+
+  return CURLE_OK;
+}
+
+static char *nss_get_password(PK11SlotInfo *slot, PRBool retry, void *arg)
+{
+  (void)slot; /* unused */
+
+  if(retry || NULL == arg)
+    return NULL;
+  else
+    return (char *)PORT_Strdup((char *)arg);
+}
+
+/* bypass the default SSL_AuthCertificate() hook in case we do not want to
+ * verify peer */
+static SECStatus nss_auth_cert_hook(void *arg, PRFileDesc *fd, PRBool checksig,
+                                    PRBool isServer)
+{
+  struct connectdata *conn = (struct connectdata *)arg;
+
+#ifdef SSL_ENABLE_OCSP_STAPLING
+  if(SSL_CONN_CONFIG(verifystatus)) {
+    SECStatus cacheResult;
+
+    const SECItemArray *csa = SSL_PeerStapledOCSPResponses(fd);
+    if(!csa) {
+      failf(conn->data, "Invalid OCSP response");
+      return SECFailure;
+    }
+
+    if(csa->len == 0) {
+      failf(conn->data, "No OCSP response received");
+      return SECFailure;
+    }
+
+    cacheResult = CERT_CacheOCSPResponseFromSideChannel(
+      CERT_GetDefaultCertDB(), SSL_PeerCertificate(fd),
+      PR_Now(), &csa->items[0], arg
+    );
+
+    if(cacheResult != SECSuccess) {
+      failf(conn->data, "Invalid OCSP response");
+      return cacheResult;
+    }
+  }
+#endif
+
+  if(!SSL_CONN_CONFIG(verifypeer)) {
+    infof(conn->data, "skipping SSL peer certificate verification\n");
+    return SECSuccess;
+  }
+
+  return SSL_AuthCertificate(CERT_GetDefaultCertDB(), fd, checksig, isServer);
+}
+
+/**
+ * Inform the application that the handshake is complete.
+ */
+static void HandshakeCallback(PRFileDesc *sock, void *arg)
+{
+  struct connectdata *conn = (struct connectdata*) arg;
+  unsigned int buflenmax = 50;
+  unsigned char buf[50];
+  unsigned int buflen;
+  SSLNextProtoState state;
+
+  if(!conn->bits.tls_enable_npn && !conn->bits.tls_enable_alpn) {
+    return;
+  }
+
+  if(SSL_GetNextProto(sock, &state, buf, &buflen, buflenmax) == SECSuccess) {
+
+    switch(state) {
+#if NSSVERNUM >= 0x031a00 /* 3.26.0 */
+    /* used by NSS internally to implement 0-RTT */
+    case SSL_NEXT_PROTO_EARLY_VALUE:
+      /* fall through! */
+#endif
+    case SSL_NEXT_PROTO_NO_SUPPORT:
+    case SSL_NEXT_PROTO_NO_OVERLAP:
+      infof(conn->data, "ALPN/NPN, server did not agree to a protocol\n");
+      return;
+#ifdef SSL_ENABLE_ALPN
+    case SSL_NEXT_PROTO_SELECTED:
+      infof(conn->data, "ALPN, server accepted to use %.*s\n", buflen, buf);
+      break;
+#endif
+    case SSL_NEXT_PROTO_NEGOTIATED:
+      infof(conn->data, "NPN, server accepted to use %.*s\n", buflen, buf);
+      break;
+    }
+
+#ifdef USE_NGHTTP2
+    if(buflen == NGHTTP2_PROTO_VERSION_ID_LEN &&
+       !memcmp(NGHTTP2_PROTO_VERSION_ID, buf, NGHTTP2_PROTO_VERSION_ID_LEN)) {
+      conn->negnpn = CURL_HTTP_VERSION_2;
+    }
+    else
+#endif
+    if(buflen == ALPN_HTTP_1_1_LENGTH &&
+       !memcmp(ALPN_HTTP_1_1, buf, ALPN_HTTP_1_1_LENGTH)) {
+      conn->negnpn = CURL_HTTP_VERSION_1_1;
+    }
+  }
+}
+
+#if NSSVERNUM >= 0x030f04 /* 3.15.4 */
+static SECStatus CanFalseStartCallback(PRFileDesc *sock, void *client_data,
+                                       PRBool *canFalseStart)
+{
+  struct connectdata *conn = client_data;
+  struct Curl_easy *data = conn->data;
+
+  SSLChannelInfo channelInfo;
+  SSLCipherSuiteInfo cipherInfo;
+
+  SECStatus rv;
+  PRBool negotiatedExtension;
+
+  *canFalseStart = PR_FALSE;
+
+  if(SSL_GetChannelInfo(sock, &channelInfo, sizeof(channelInfo)) != SECSuccess)
+    return SECFailure;
+
+  if(SSL_GetCipherSuiteInfo(channelInfo.cipherSuite, &cipherInfo,
+                            sizeof(cipherInfo)) != SECSuccess)
+    return SECFailure;
+
+  /* Prevent version downgrade attacks from TLS 1.2, and avoid False Start for
+   * TLS 1.3 and later. See https://bugzilla.mozilla.org/show_bug.cgi?id=861310
+   */
+  if(channelInfo.protocolVersion != SSL_LIBRARY_VERSION_TLS_1_2)
+    goto end;
+
+  /* Only allow ECDHE key exchange algorithm.
+   * See https://bugzilla.mozilla.org/show_bug.cgi?id=952863 */
+  if(cipherInfo.keaType != ssl_kea_ecdh)
+    goto end;
+
+  /* Prevent downgrade attacks on the symmetric cipher. We do not allow CBC
+   * mode due to BEAST, POODLE, and other attacks on the MAC-then-Encrypt
+   * design. See https://bugzilla.mozilla.org/show_bug.cgi?id=1109766 */
+  if(cipherInfo.symCipher != ssl_calg_aes_gcm)
+    goto end;
+
+  /* Enforce ALPN or NPN to do False Start, as an indicator of server
+   * compatibility. */
+  rv = SSL_HandshakeNegotiatedExtension(sock, ssl_app_layer_protocol_xtn,
+                                        &negotiatedExtension);
+  if(rv != SECSuccess || !negotiatedExtension) {
+    rv = SSL_HandshakeNegotiatedExtension(sock, ssl_next_proto_nego_xtn,
+                                          &negotiatedExtension);
+  }
+
+  if(rv != SECSuccess || !negotiatedExtension)
+    goto end;
+
+  *canFalseStart = PR_TRUE;
+
+  infof(data, "Trying TLS False Start\n");
+
+end:
+  return SECSuccess;
+}
+#endif
+
+static void display_cert_info(struct Curl_easy *data,
+                              CERTCertificate *cert)
+{
+  char *subject, *issuer, *common_name;
+  PRExplodedTime printableTime;
+  char timeString[256];
+  PRTime notBefore, notAfter;
+
+  subject = CERT_NameToAscii(&cert->subject);
+  issuer = CERT_NameToAscii(&cert->issuer);
+  common_name = CERT_GetCommonName(&cert->subject);
+  infof(data, "\tsubject: %s\n", subject);
+
+  CERT_GetCertTimes(cert, &notBefore, &notAfter);
+  PR_ExplodeTime(notBefore, PR_GMTParameters, &printableTime);
+  PR_FormatTime(timeString, 256, "%b %d %H:%M:%S %Y GMT", &printableTime);
+  infof(data, "\tstart date: %s\n", timeString);
+  PR_ExplodeTime(notAfter, PR_GMTParameters, &printableTime);
+  PR_FormatTime(timeString, 256, "%b %d %H:%M:%S %Y GMT", &printableTime);
+  infof(data, "\texpire date: %s\n", timeString);
+  infof(data, "\tcommon name: %s\n", common_name);
+  infof(data, "\tissuer: %s\n", issuer);
+
+  PR_Free(subject);
+  PR_Free(issuer);
+  PR_Free(common_name);
+}
+
+static CURLcode display_conn_info(struct connectdata *conn, PRFileDesc *sock)
+{
+  CURLcode result = CURLE_OK;
+  SSLChannelInfo channel;
+  SSLCipherSuiteInfo suite;
+  CERTCertificate *cert;
+  CERTCertificate *cert2;
+  CERTCertificate *cert3;
+  PRTime now;
+  int i;
+
+  if(SSL_GetChannelInfo(sock, &channel, sizeof(channel)) ==
+     SECSuccess && channel.length == sizeof(channel) &&
+     channel.cipherSuite) {
+    if(SSL_GetCipherSuiteInfo(channel.cipherSuite,
+                              &suite, sizeof(suite)) == SECSuccess) {
+      infof(conn->data, "SSL connection using %s\n", suite.cipherSuiteName);
+    }
+  }
+
+  cert = SSL_PeerCertificate(sock);
+  if(cert) {
+    infof(conn->data, "Server certificate:\n");
+
+    if(!conn->data->set.ssl.certinfo) {
+      display_cert_info(conn->data, cert);
+      CERT_DestroyCertificate(cert);
+    }
+    else {
+      /* Count certificates in chain. */
+      now = PR_Now();
+      i = 1;
+      if(!cert->isRoot) {
+        cert2 = CERT_FindCertIssuer(cert, now, certUsageSSLCA);
+        while(cert2) {
+          i++;
+          if(cert2->isRoot) {
+            CERT_DestroyCertificate(cert2);
+            break;
+          }
+          cert3 = CERT_FindCertIssuer(cert2, now, certUsageSSLCA);
+          CERT_DestroyCertificate(cert2);
+          cert2 = cert3;
+        }
+      }
+
+      result = Curl_ssl_init_certinfo(conn->data, i);
+      if(!result) {
+        for(i = 0; cert; cert = cert2) {
+          result = Curl_extract_certinfo(conn, i++, (char *)cert->derCert.data,
+                                         (char *)cert->derCert.data +
+                                                 cert->derCert.len);
+          if(result)
+            break;
+
+          if(cert->isRoot) {
+            CERT_DestroyCertificate(cert);
+            break;
+          }
+
+          cert2 = CERT_FindCertIssuer(cert, now, certUsageSSLCA);
+          CERT_DestroyCertificate(cert);
+        }
+      }
+    }
+  }
+
+  return result;
+}
+
+static SECStatus BadCertHandler(void *arg, PRFileDesc *sock)
+{
+  struct connectdata *conn = (struct connectdata *)arg;
+  struct Curl_easy *data = conn->data;
+  PRErrorCode err = PR_GetError();
+  CERTCertificate *cert;
+
+  /* remember the cert verification result */
+  if(SSL_IS_PROXY())
+    data->set.proxy_ssl.certverifyresult = err;
+  else
+    data->set.ssl.certverifyresult = err;
+
+  if(err == SSL_ERROR_BAD_CERT_DOMAIN && !SSL_CONN_CONFIG(verifyhost))
+    /* we are asked not to verify the host name */
+    return SECSuccess;
+
+  /* print only info about the cert, the error is printed off the callback */
+  cert = SSL_PeerCertificate(sock);
+  if(cert) {
+    infof(data, "Server certificate:\n");
+    display_cert_info(data, cert);
+    CERT_DestroyCertificate(cert);
+  }
+
+  return SECFailure;
+}
+
+/**
+ *
+ * Check that the Peer certificate's issuer certificate matches the one found
+ * by issuer_nickname.  This is not exactly the way OpenSSL and GNU TLS do the
+ * issuer check, so we provide comments that mimic the OpenSSL
+ * X509_check_issued function (in x509v3/v3_purp.c)
+ */
+static SECStatus check_issuer_cert(PRFileDesc *sock,
+                                   char *issuer_nickname)
+{
+  CERTCertificate *cert, *cert_issuer, *issuer;
+  SECStatus res = SECSuccess;
+  void *proto_win = NULL;
+
+  cert = SSL_PeerCertificate(sock);
+  cert_issuer = CERT_FindCertIssuer(cert, PR_Now(), certUsageObjectSigner);
+
+  proto_win = SSL_RevealPinArg(sock);
+  issuer = PK11_FindCertFromNickname(issuer_nickname, proto_win);
+
+  if((!cert_issuer) || (!issuer))
+    res = SECFailure;
+  else if(SECITEM_CompareItem(&cert_issuer->derCert,
+                              &issuer->derCert) != SECEqual)
+    res = SECFailure;
+
+  CERT_DestroyCertificate(cert);
+  CERT_DestroyCertificate(issuer);
+  CERT_DestroyCertificate(cert_issuer);
+  return res;
+}
+
+static CURLcode cmp_peer_pubkey(struct ssl_connect_data *connssl,
+                                const char *pinnedpubkey)
+{
+  CURLcode result = CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+  struct Curl_easy *data = BACKEND->data;
+  CERTCertificate *cert;
+
+  if(!pinnedpubkey)
+    /* no pinned public key specified */
+    return CURLE_OK;
+
+  /* get peer certificate */
+  cert = SSL_PeerCertificate(BACKEND->handle);
+  if(cert) {
+    /* extract public key from peer certificate */
+    SECKEYPublicKey *pubkey = CERT_ExtractPublicKey(cert);
+    if(pubkey) {
+      /* encode the public key as DER */
+      SECItem *cert_der = PK11_DEREncodePublicKey(pubkey);
+      if(cert_der) {
+        /* compare the public key with the pinned public key */
+        result = Curl_pin_peer_pubkey(data, pinnedpubkey, cert_der->data,
+                                      cert_der->len);
+        SECITEM_FreeItem(cert_der, PR_TRUE);
+      }
+      SECKEY_DestroyPublicKey(pubkey);
+    }
+    CERT_DestroyCertificate(cert);
+  }
+
+  /* report the resulting status */
+  switch(result) {
+  case CURLE_OK:
+    infof(data, "pinned public key verified successfully!\n");
+    break;
+  case CURLE_SSL_PINNEDPUBKEYNOTMATCH:
+    failf(data, "failed to verify pinned public key");
+    break;
+  default:
+    /* OOM, etc. */
+    break;
+  }
+
+  return result;
+}
+
+/**
+ *
+ * Callback to pick the SSL client certificate.
+ */
+static SECStatus SelectClientCert(void *arg, PRFileDesc *sock,
+                                  struct CERTDistNamesStr *caNames,
+                                  struct CERTCertificateStr **pRetCert,
+                                  struct SECKEYPrivateKeyStr **pRetKey)
+{
+  struct ssl_connect_data *connssl = (struct ssl_connect_data *)arg;
+  struct Curl_easy *data = BACKEND->data;
+  const char *nickname = BACKEND->client_nickname;
+  static const char pem_slotname[] = "PEM Token #1";
+
+  if(BACKEND->obj_clicert) {
+    /* use the cert/key provided by PEM reader */
+    SECItem cert_der = { 0, NULL, 0 };
+    void *proto_win = SSL_RevealPinArg(sock);
+    struct CERTCertificateStr *cert;
+    struct SECKEYPrivateKeyStr *key;
+
+    PK11SlotInfo *slot = nss_find_slot_by_name(pem_slotname);
+    if(NULL == slot) {
+      failf(data, "NSS: PK11 slot not found: %s", pem_slotname);
+      return SECFailure;
+    }
+
+    if(PK11_ReadRawAttribute(PK11_TypeGeneric, BACKEND->obj_clicert, CKA_VALUE,
+                             &cert_der) != SECSuccess) {
+      failf(data, "NSS: CKA_VALUE not found in PK11 generic object");
+      PK11_FreeSlot(slot);
+      return SECFailure;
+    }
+
+    cert = PK11_FindCertFromDERCertItem(slot, &cert_der, proto_win);
+    SECITEM_FreeItem(&cert_der, PR_FALSE);
+    if(NULL == cert) {
+      failf(data, "NSS: client certificate from file not found");
+      PK11_FreeSlot(slot);
+      return SECFailure;
+    }
+
+    key = PK11_FindPrivateKeyFromCert(slot, cert, NULL);
+    PK11_FreeSlot(slot);
+    if(NULL == key) {
+      failf(data, "NSS: private key from file not found");
+      CERT_DestroyCertificate(cert);
+      return SECFailure;
+    }
+
+    infof(data, "NSS: client certificate from file\n");
+    display_cert_info(data, cert);
+
+    *pRetCert = cert;
+    *pRetKey = key;
+    return SECSuccess;
+  }
+
+  /* use the default NSS hook */
+  if(SECSuccess != NSS_GetClientAuthData((void *)nickname, sock, caNames,
+                                          pRetCert, pRetKey)
+      || NULL == *pRetCert) {
+
+    if(NULL == nickname)
+      failf(data, "NSS: client certificate not found (nickname not "
+            "specified)");
+    else
+      failf(data, "NSS: client certificate not found: %s", nickname);
+
+    return SECFailure;
+  }
+
+  /* get certificate nickname if any */
+  nickname = (*pRetCert)->nickname;
+  if(NULL == nickname)
+    nickname = "[unknown]";
+
+  if(!strncmp(nickname, pem_slotname, sizeof(pem_slotname) - 1U)) {
+    failf(data, "NSS: refusing previously loaded certificate from file: %s",
+          nickname);
+    return SECFailure;
+  }
+
+  if(NULL == *pRetKey) {
+    failf(data, "NSS: private key not found for certificate: %s", nickname);
+    return SECFailure;
+  }
+
+  infof(data, "NSS: using client certificate: %s\n", nickname);
+  display_cert_info(data, *pRetCert);
+  return SECSuccess;
+}
+
+/* update blocking direction in case of PR_WOULD_BLOCK_ERROR */
+static void nss_update_connecting_state(ssl_connect_state state, void *secret)
+{
+  struct ssl_connect_data *connssl = (struct ssl_connect_data *)secret;
+  if(PR_GetError() != PR_WOULD_BLOCK_ERROR)
+    /* an unrelated error is passing by */
+    return;
+
+  switch(connssl->connecting_state) {
+  case ssl_connect_2:
+  case ssl_connect_2_reading:
+  case ssl_connect_2_writing:
+    break;
+  default:
+    /* we are not called from an SSL handshake */
+    return;
+  }
+
+  /* update the state accordingly */
+  connssl->connecting_state = state;
+}
+
+/* recv() wrapper we use to detect blocking direction during SSL handshake */
+static PRInt32 nspr_io_recv(PRFileDesc *fd, void *buf, PRInt32 amount,
+                            PRIntn flags, PRIntervalTime timeout)
+{
+  const PRRecvFN recv_fn = fd->lower->methods->recv;
+  const PRInt32 rv = recv_fn(fd->lower, buf, amount, flags, timeout);
+  if(rv < 0)
+    /* check for PR_WOULD_BLOCK_ERROR and update blocking direction */
+    nss_update_connecting_state(ssl_connect_2_reading, fd->secret);
+  return rv;
+}
+
+/* send() wrapper we use to detect blocking direction during SSL handshake */
+static PRInt32 nspr_io_send(PRFileDesc *fd, const void *buf, PRInt32 amount,
+                            PRIntn flags, PRIntervalTime timeout)
+{
+  const PRSendFN send_fn = fd->lower->methods->send;
+  const PRInt32 rv = send_fn(fd->lower, buf, amount, flags, timeout);
+  if(rv < 0)
+    /* check for PR_WOULD_BLOCK_ERROR and update blocking direction */
+    nss_update_connecting_state(ssl_connect_2_writing, fd->secret);
+  return rv;
+}
+
+/* close() wrapper to avoid assertion failure due to fd->secret != NULL */
+static PRStatus nspr_io_close(PRFileDesc *fd)
+{
+  const PRCloseFN close_fn = PR_GetDefaultIOMethods()->close;
+  fd->secret = NULL;
+  return close_fn(fd);
+}
+
+/* load a PKCS #11 module */
+static CURLcode nss_load_module(SECMODModule **pmod, const char *library,
+                                const char *name)
+{
+  char *config_string;
+  SECMODModule *module = *pmod;
+  if(module)
+    /* already loaded */
+    return CURLE_OK;
+
+  config_string = aprintf("library=%s name=%s", library, name);
+  if(!config_string)
+    return CURLE_OUT_OF_MEMORY;
+
+  module = SECMOD_LoadUserModule(config_string, NULL, PR_FALSE);
+  free(config_string);
+
+  if(module && module->loaded) {
+    /* loaded successfully */
+    *pmod = module;
+    return CURLE_OK;
+  }
+
+  if(module)
+    SECMOD_DestroyModule(module);
+  return CURLE_FAILED_INIT;
+}
+
+/* unload a PKCS #11 module */
+static void nss_unload_module(SECMODModule **pmod)
+{
+  SECMODModule *module = *pmod;
+  if(!module)
+    /* not loaded */
+    return;
+
+  if(SECMOD_UnloadUserModule(module) != SECSuccess)
+    /* unload failed */
+    return;
+
+  SECMOD_DestroyModule(module);
+  *pmod = NULL;
+}
+
+/* data might be NULL */
+static CURLcode nss_init_core(struct Curl_easy *data, const char *cert_dir)
+{
+  NSSInitParameters initparams;
+
+  if(nss_context != NULL)
+    return CURLE_OK;
+
+  memset((void *) &initparams, '\0', sizeof(initparams));
+  initparams.length = sizeof(initparams);
+
+  if(cert_dir) {
+    char *certpath = aprintf("sql:%s", cert_dir);
+    if(!certpath)
+      return CURLE_OUT_OF_MEMORY;
+
+    infof(data, "Initializing NSS with certpath: %s\n", certpath);
+    nss_context = NSS_InitContext(certpath, "", "", "", &initparams,
+            NSS_INIT_READONLY | NSS_INIT_PK11RELOAD);
+    free(certpath);
+
+    if(nss_context != NULL)
+      return CURLE_OK;
+
+    infof(data, "Unable to initialize NSS database\n");
+  }
+
+  infof(data, "Initializing NSS with certpath: none\n");
+  nss_context = NSS_InitContext("", "", "", "", &initparams, NSS_INIT_READONLY
+         | NSS_INIT_NOCERTDB   | NSS_INIT_NOMODDB       | NSS_INIT_FORCEOPEN
+         | NSS_INIT_NOROOTINIT | NSS_INIT_OPTIMIZESPACE | NSS_INIT_PK11RELOAD);
+  if(nss_context != NULL)
+    return CURLE_OK;
+
+  infof(data, "Unable to initialize NSS\n");
+  return CURLE_SSL_CACERT_BADFILE;
+}
+
+/* data might be NULL */
+static CURLcode nss_init(struct Curl_easy *data)
+{
+  char *cert_dir;
+  struct_stat st;
+  CURLcode result;
+
+  if(initialized)
+    return CURLE_OK;
+
+  /* list of all CRL items we need to destroy in Curl_nss_cleanup() */
+  Curl_llist_init(&nss_crl_list, nss_destroy_crl_item);
+
+  /* First we check if $SSL_DIR points to a valid dir */
+  cert_dir = getenv("SSL_DIR");
+  if(cert_dir) {
+    if((stat(cert_dir, &st) != 0) ||
+        (!S_ISDIR(st.st_mode))) {
+      cert_dir = NULL;
+    }
+  }
+
+  /* Now we check if the default location is a valid dir */
+  if(!cert_dir) {
+    if((stat(SSL_DIR, &st) == 0) &&
+        (S_ISDIR(st.st_mode))) {
+      cert_dir = (char *)SSL_DIR;
+    }
+  }
+
+  if(nspr_io_identity == PR_INVALID_IO_LAYER) {
+    /* allocate an identity for our own NSPR I/O layer */
+    nspr_io_identity = PR_GetUniqueIdentity("libcurl");
+    if(nspr_io_identity == PR_INVALID_IO_LAYER)
+      return CURLE_OUT_OF_MEMORY;
+
+    /* the default methods just call down to the lower I/O layer */
+    memcpy(&nspr_io_methods, PR_GetDefaultIOMethods(),
+           sizeof(nspr_io_methods));
+
+    /* override certain methods in the table by our wrappers */
+    nspr_io_methods.recv  = nspr_io_recv;
+    nspr_io_methods.send  = nspr_io_send;
+    nspr_io_methods.close = nspr_io_close;
+  }
+
+  result = nss_init_core(data, cert_dir);
+  if(result)
+    return result;
+
+  if(!any_cipher_enabled())
+    NSS_SetDomesticPolicy();
+
+  initialized = 1;
+
+  return CURLE_OK;
+}
+
+/**
+ * Global SSL init
+ *
+ * @retval 0 error initializing SSL
+ * @retval 1 SSL initialized successfully
+ */
+static int Curl_nss_init(void)
+{
+  /* curl_global_init() is not thread-safe so this test is ok */
+  if(nss_initlock == NULL) {
+    PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 256);
+    nss_initlock = PR_NewLock();
+    nss_crllock = PR_NewLock();
+    nss_findslot_lock = PR_NewLock();
+    nss_trustload_lock = PR_NewLock();
+  }
+
+  /* We will actually initialize NSS later */
+
+  return 1;
+}
+
+/* data might be NULL */
+CURLcode Curl_nss_force_init(struct Curl_easy *data)
+{
+  CURLcode result;
+  if(!nss_initlock) {
+    if(data)
+      failf(data, "unable to initialize NSS, curl_global_init() should have "
+                  "been called with CURL_GLOBAL_SSL or CURL_GLOBAL_ALL");
+    return CURLE_FAILED_INIT;
+  }
+
+  PR_Lock(nss_initlock);
+  result = nss_init(data);
+  PR_Unlock(nss_initlock);
+
+  return result;
+}
+
+/* Global cleanup */
+static void Curl_nss_cleanup(void)
+{
+  /* This function isn't required to be threadsafe and this is only done
+   * as a safety feature.
+   */
+  PR_Lock(nss_initlock);
+  if(initialized) {
+    /* Free references to client certificates held in the SSL session cache.
+     * Omitting this hampers destruction of the security module owning
+     * the certificates. */
+    SSL_ClearSessionCache();
+
+    nss_unload_module(&pem_module);
+    nss_unload_module(&trust_module);
+    NSS_ShutdownContext(nss_context);
+    nss_context = NULL;
+  }
+
+  /* destroy all CRL items */
+  Curl_llist_destroy(&nss_crl_list, NULL);
+
+  PR_Unlock(nss_initlock);
+
+  PR_DestroyLock(nss_initlock);
+  PR_DestroyLock(nss_crllock);
+  PR_DestroyLock(nss_findslot_lock);
+  PR_DestroyLock(nss_trustload_lock);
+  nss_initlock = NULL;
+
+  initialized = 0;
+}
+
+/*
+ * This function uses SSL_peek to determine connection status.
+ *
+ * Return codes:
+ *     1 means the connection is still in place
+ *     0 means the connection has been closed
+ *    -1 means the connection status is unknown
+ */
+static int Curl_nss_check_cxn(struct connectdata *conn)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[FIRSTSOCKET];
+  int rc;
+  char buf;
+
+  rc =
+    PR_Recv(BACKEND->handle, (void *)&buf, 1, PR_MSG_PEEK,
+            PR_SecondsToInterval(1));
+  if(rc > 0)
+    return 1; /* connection still in place */
+
+  if(rc == 0)
+    return 0; /* connection has been closed */
+
+  return -1;  /* connection status unknown */
+}
+
+static void nss_close(struct ssl_connect_data *connssl)
+{
+  /* before the cleanup, check whether we are using a client certificate */
+  const bool client_cert = (BACKEND->client_nickname != NULL)
+    || (BACKEND->obj_clicert != NULL);
+
+  free(BACKEND->client_nickname);
+  BACKEND->client_nickname = NULL;
+
+  /* destroy all NSS objects in order to avoid failure of NSS shutdown */
+  Curl_llist_destroy(&BACKEND->obj_list, NULL);
+  BACKEND->obj_clicert = NULL;
+
+  if(BACKEND->handle) {
+    if(client_cert)
+      /* A server might require different authentication based on the
+       * particular path being requested by the client.  To support this
+       * scenario, we must ensure that a connection will never reuse the
+       * authentication data from a previous connection. */
+      SSL_InvalidateSession(BACKEND->handle);
+
+    PR_Close(BACKEND->handle);
+    BACKEND->handle = NULL;
+  }
+}
+
+/*
+ * This function is called when an SSL connection is closed.
+ */
+static void Curl_nss_close(struct connectdata *conn, int sockindex)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  struct ssl_connect_data *connssl_proxy = &conn->proxy_ssl[sockindex];
+
+  if(BACKEND->handle || connssl_proxy->backend->handle) {
+    /* NSS closes the socket we previously handed to it, so we must mark it
+       as closed to avoid double close */
+    fake_sclose(conn->sock[sockindex]);
+    conn->sock[sockindex] = CURL_SOCKET_BAD;
+  }
+
+  if(BACKEND->handle)
+    /* nss_close(connssl) will transitively close also
+       connssl_proxy->backend->handle if both are used. Clear it to avoid
+       a double close leading to crash. */
+    connssl_proxy->backend->handle = NULL;
+
+  nss_close(connssl);
+  nss_close(connssl_proxy);
+}
+
+/* return true if NSS can provide error code (and possibly msg) for the
+   error */
+static bool is_nss_error(CURLcode err)
+{
+  switch(err) {
+  case CURLE_PEER_FAILED_VERIFICATION:
+  case CURLE_SSL_CERTPROBLEM:
+  case CURLE_SSL_CONNECT_ERROR:
+  case CURLE_SSL_ISSUER_ERROR:
+    return true;
+
+  default:
+    return false;
+  }
+}
+
+/* return true if the given error code is related to a client certificate */
+static bool is_cc_error(PRInt32 err)
+{
+  switch(err) {
+  case SSL_ERROR_BAD_CERT_ALERT:
+  case SSL_ERROR_EXPIRED_CERT_ALERT:
+  case SSL_ERROR_REVOKED_CERT_ALERT:
+    return true;
+
+  default:
+    return false;
+  }
+}
+
+static Curl_recv nss_recv;
+static Curl_send nss_send;
+
+static CURLcode nss_load_ca_certificates(struct connectdata *conn,
+                                         int sockindex)
+{
+  struct Curl_easy *data = conn->data;
+  const char *cafile = SSL_CONN_CONFIG(CAfile);
+  const char *capath = SSL_CONN_CONFIG(CApath);
+  bool use_trust_module;
+  CURLcode result = CURLE_OK;
+
+  /* treat empty string as unset */
+  if(cafile && !cafile[0])
+    cafile = NULL;
+  if(capath && !capath[0])
+    capath = NULL;
+
+  infof(data, "  CAfile: %s\n  CApath: %s\n",
+      cafile ? cafile : "none",
+      capath ? capath : "none");
+
+  /* load libnssckbi.so if no other trust roots were specified */
+  use_trust_module = !cafile && !capath;
+
+  PR_Lock(nss_trustload_lock);
+  if(use_trust_module && !trust_module) {
+    /* libnssckbi.so needed but not yet loaded --> load it! */
+    result = nss_load_module(&trust_module, trust_library, "trust");
+    infof(data, "%s %s\n", (result) ? "failed to load" : "loaded",
+          trust_library);
+    if(result == CURLE_FAILED_INIT)
+      /* If libnssckbi.so is not available (or fails to load), one can still
+         use CA certificates stored in NSS database.  Ignore the failure. */
+      result = CURLE_OK;
+  }
+  else if(!use_trust_module && trust_module) {
+    /* libnssckbi.so not needed but already loaded --> unload it! */
+    infof(data, "unloading %s\n", trust_library);
+    nss_unload_module(&trust_module);
+  }
+  PR_Unlock(nss_trustload_lock);
+
+  if(cafile)
+    result = nss_load_cert(&conn->ssl[sockindex], cafile, PR_TRUE);
+
+  if(result)
+    return result;
+
+  if(capath) {
+    struct_stat st;
+    if(stat(capath, &st) == -1)
+      return CURLE_SSL_CACERT_BADFILE;
+
+    if(S_ISDIR(st.st_mode)) {
+      PRDirEntry *entry;
+      PRDir *dir = PR_OpenDir(capath);
+      if(!dir)
+        return CURLE_SSL_CACERT_BADFILE;
+
+      while((entry = PR_ReadDir(dir, PR_SKIP_BOTH | PR_SKIP_HIDDEN))) {
+        char *fullpath = aprintf("%s/%s", capath, entry->name);
+        if(!fullpath) {
+          PR_CloseDir(dir);
+          return CURLE_OUT_OF_MEMORY;
+        }
+
+        if(CURLE_OK != nss_load_cert(&conn->ssl[sockindex], fullpath, PR_TRUE))
+          /* This is purposefully tolerant of errors so non-PEM files can
+           * be in the same directory */
+          infof(data, "failed to load '%s' from CURLOPT_CAPATH\n", fullpath);
+
+        free(fullpath);
+      }
+
+      PR_CloseDir(dir);
+    }
+    else
+      infof(data, "warning: CURLOPT_CAPATH not a directory (%s)\n", capath);
+  }
+
+  return CURLE_OK;
+}
+
+static CURLcode nss_sslver_from_curl(PRUint16 *nssver, long version)
+{
+  switch(version) {
+  case CURL_SSLVERSION_SSLv2:
+    *nssver = SSL_LIBRARY_VERSION_2;
+    return CURLE_OK;
+
+  case CURL_SSLVERSION_SSLv3:
+    *nssver = SSL_LIBRARY_VERSION_3_0;
+    return CURLE_OK;
+
+  case CURL_SSLVERSION_TLSv1_0:
+    *nssver = SSL_LIBRARY_VERSION_TLS_1_0;
+    return CURLE_OK;
+
+  case CURL_SSLVERSION_TLSv1_1:
+#ifdef SSL_LIBRARY_VERSION_TLS_1_1
+    *nssver = SSL_LIBRARY_VERSION_TLS_1_1;
+    return CURLE_OK;
+#else
+    return CURLE_SSL_CONNECT_ERROR;
+#endif
+
+  case CURL_SSLVERSION_TLSv1_2:
+#ifdef SSL_LIBRARY_VERSION_TLS_1_2
+    *nssver = SSL_LIBRARY_VERSION_TLS_1_2;
+    return CURLE_OK;
+#else
+    return CURLE_SSL_CONNECT_ERROR;
+#endif
+
+  case CURL_SSLVERSION_TLSv1_3:
+#ifdef SSL_LIBRARY_VERSION_TLS_1_3
+    *nssver = SSL_LIBRARY_VERSION_TLS_1_3;
+    return CURLE_OK;
+#else
+    return CURLE_SSL_CONNECT_ERROR;
+#endif
+
+  default:
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+}
+
+static CURLcode nss_init_sslver(SSLVersionRange *sslver,
+                                struct Curl_easy *data,
+                                struct connectdata *conn)
+{
+  CURLcode result;
+  const long min = SSL_CONN_CONFIG(version);
+  const long max = SSL_CONN_CONFIG(version_max);
+
+  /* map CURL_SSLVERSION_DEFAULT to NSS default */
+  if(min == CURL_SSLVERSION_DEFAULT || max == CURL_SSLVERSION_MAX_DEFAULT) {
+    /* map CURL_SSLVERSION_DEFAULT to NSS default */
+    if(SSL_VersionRangeGetDefault(ssl_variant_stream, sslver) != SECSuccess)
+      return CURLE_SSL_CONNECT_ERROR;
+    /* ... but make sure we use at least TLSv1.0 according to libcurl API */
+    if(sslver->min < SSL_LIBRARY_VERSION_TLS_1_0)
+      sslver->min = SSL_LIBRARY_VERSION_TLS_1_0;
+  }
+
+  switch(min) {
+  case CURL_SSLVERSION_TLSv1:
+  case CURL_SSLVERSION_DEFAULT:
+    break;
+  default:
+    result = nss_sslver_from_curl(&sslver->min, min);
+    if(result) {
+      failf(data, "unsupported min version passed via CURLOPT_SSLVERSION");
+      return result;
+    }
+  }
+
+  switch(max) {
+  case CURL_SSLVERSION_MAX_NONE:
+  case CURL_SSLVERSION_MAX_DEFAULT:
+    break;
+  default:
+    result = nss_sslver_from_curl(&sslver->max, max >> 16);
+    if(result) {
+      failf(data, "unsupported max version passed via CURLOPT_SSLVERSION");
+      return result;
+    }
+  }
+
+  return CURLE_OK;
+}
+
+static CURLcode nss_fail_connect(struct ssl_connect_data *connssl,
+                                 struct Curl_easy *data,
+                                 CURLcode curlerr)
+{
+  PRErrorCode err = 0;
+
+  if(is_nss_error(curlerr)) {
+    /* read NSPR error code */
+    err = PR_GetError();
+    if(is_cc_error(err))
+      curlerr = CURLE_SSL_CERTPROBLEM;
+
+    /* print the error number and error string */
+    infof(data, "NSS error %d (%s)\n", err, nss_error_to_name(err));
+
+    /* print a human-readable message describing the error if available */
+    nss_print_error_message(data, err);
+  }
+
+  /* cleanup on connection failure */
+  Curl_llist_destroy(&BACKEND->obj_list, NULL);
+
+  return curlerr;
+}
+
+/* Switch the SSL socket into blocking or non-blocking mode. */
+static CURLcode nss_set_blocking(struct ssl_connect_data *connssl,
+                                 struct Curl_easy *data,
+                                 bool blocking)
+{
+  static PRSocketOptionData sock_opt;
+  sock_opt.option = PR_SockOpt_Nonblocking;
+  sock_opt.value.non_blocking = !blocking;
+
+  if(PR_SetSocketOption(BACKEND->handle, &sock_opt) != PR_SUCCESS)
+    return nss_fail_connect(connssl, data, CURLE_SSL_CONNECT_ERROR);
+
+  return CURLE_OK;
+}
+
+static CURLcode nss_setup_connect(struct connectdata *conn, int sockindex)
+{
+  PRFileDesc *model = NULL;
+  PRFileDesc *nspr_io = NULL;
+  PRFileDesc *nspr_io_stub = NULL;
+  PRBool ssl_no_cache;
+  PRBool ssl_cbc_random_iv;
+  struct Curl_easy *data = conn->data;
+  curl_socket_t sockfd = conn->sock[sockindex];
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  CURLcode result;
+  bool second_layer = FALSE;
+  SSLVersionRange sslver_supported;
+
+  SSLVersionRange sslver = {
+    SSL_LIBRARY_VERSION_TLS_1_0,  /* min */
+#ifdef SSL_LIBRARY_VERSION_TLS_1_3
+    SSL_LIBRARY_VERSION_TLS_1_3   /* max */
+#elif defined SSL_LIBRARY_VERSION_TLS_1_2
+    SSL_LIBRARY_VERSION_TLS_1_2
+#elif defined SSL_LIBRARY_VERSION_TLS_1_1
+    SSL_LIBRARY_VERSION_TLS_1_1
+#else
+    SSL_LIBRARY_VERSION_TLS_1_0
+#endif
+  };
+
+  BACKEND->data = data;
+
+  /* list of all NSS objects we need to destroy in Curl_nss_close() */
+  Curl_llist_init(&BACKEND->obj_list, nss_destroy_object);
+
+  /* FIXME. NSS doesn't support multiple databases open at the same time. */
+  PR_Lock(nss_initlock);
+  result = nss_init(conn->data);
+  if(result) {
+    PR_Unlock(nss_initlock);
+    goto error;
+  }
+
+  PK11_SetPasswordFunc(nss_get_password);
+
+  result = nss_load_module(&pem_module, pem_library, "PEM");
+  PR_Unlock(nss_initlock);
+  if(result == CURLE_FAILED_INIT)
+    infof(data, "WARNING: failed to load NSS PEM library %s. Using "
+                "OpenSSL PEM certificates will not work.\n", pem_library);
+  else if(result)
+    goto error;
+
+  result = CURLE_SSL_CONNECT_ERROR;
+
+  model = PR_NewTCPSocket();
+  if(!model)
+    goto error;
+  model = SSL_ImportFD(NULL, model);
+
+  if(SSL_OptionSet(model, SSL_SECURITY, PR_TRUE) != SECSuccess)
+    goto error;
+  if(SSL_OptionSet(model, SSL_HANDSHAKE_AS_SERVER, PR_FALSE) != SECSuccess)
+    goto error;
+  if(SSL_OptionSet(model, SSL_HANDSHAKE_AS_CLIENT, PR_TRUE) != SECSuccess)
+    goto error;
+
+  /* do not use SSL cache if disabled or we are not going to verify peer */
+  ssl_no_cache = (SSL_SET_OPTION(primary.sessionid)
+                  && SSL_CONN_CONFIG(verifypeer)) ? PR_FALSE : PR_TRUE;
+  if(SSL_OptionSet(model, SSL_NO_CACHE, ssl_no_cache) != SECSuccess)
+    goto error;
+
+  /* enable/disable the requested SSL version(s) */
+  if(nss_init_sslver(&sslver, data, conn) != CURLE_OK)
+    goto error;
+  if(SSL_VersionRangeGetSupported(ssl_variant_stream,
+                                  &sslver_supported) != SECSuccess)
+    goto error;
+  if(sslver_supported.max < sslver.max && sslver_supported.max >= sslver.min) {
+    char *sslver_req_str, *sslver_supp_str;
+    sslver_req_str = nss_sslver_to_name(sslver.max);
+    sslver_supp_str = nss_sslver_to_name(sslver_supported.max);
+    if(sslver_req_str && sslver_supp_str)
+      infof(data, "Falling back from %s to max supported SSL version (%s)\n",
+                  sslver_req_str, sslver_supp_str);
+    free(sslver_req_str);
+    free(sslver_supp_str);
+    sslver.max = sslver_supported.max;
+  }
+  if(SSL_VersionRangeSet(model, &sslver) != SECSuccess)
+    goto error;
+
+  ssl_cbc_random_iv = !SSL_SET_OPTION(enable_beast);
+#ifdef SSL_CBC_RANDOM_IV
+  /* unless the user explicitly asks to allow the protocol vulnerability, we
+     use the work-around */
+  if(SSL_OptionSet(model, SSL_CBC_RANDOM_IV, ssl_cbc_random_iv) != SECSuccess)
+    infof(data, "warning: failed to set SSL_CBC_RANDOM_IV = %d\n",
+          ssl_cbc_random_iv);
+#else
+  if(ssl_cbc_random_iv)
+    infof(data, "warning: support for SSL_CBC_RANDOM_IV not compiled in\n");
+#endif
+
+  if(SSL_CONN_CONFIG(cipher_list)) {
+    if(set_ciphers(data, model, SSL_CONN_CONFIG(cipher_list)) != SECSuccess) {
+      result = CURLE_SSL_CIPHER;
+      goto error;
+    }
+  }
+
+  if(!SSL_CONN_CONFIG(verifypeer) && SSL_CONN_CONFIG(verifyhost))
+    infof(data, "warning: ignoring value of ssl.verifyhost\n");
+
+  /* bypass the default SSL_AuthCertificate() hook in case we do not want to
+   * verify peer */
+  if(SSL_AuthCertificateHook(model, nss_auth_cert_hook, conn) != SECSuccess)
+    goto error;
+
+  /* not checked yet */
+  if(SSL_IS_PROXY())
+    data->set.proxy_ssl.certverifyresult = 0;
+  else
+    data->set.ssl.certverifyresult = 0;
+
+  if(SSL_BadCertHook(model, BadCertHandler, conn) != SECSuccess)
+    goto error;
+
+  if(SSL_HandshakeCallback(model, HandshakeCallback, conn) != SECSuccess)
+    goto error;
+
+  {
+    const CURLcode rv = nss_load_ca_certificates(conn, sockindex);
+    if((rv == CURLE_SSL_CACERT_BADFILE) && !SSL_CONN_CONFIG(verifypeer))
+      /* not a fatal error because we are not going to verify the peer */
+      infof(data, "warning: CA certificates failed to load\n");
+    else if(rv) {
+      result = rv;
+      goto error;
+    }
+  }
+
+  if(SSL_SET_OPTION(CRLfile)) {
+    const CURLcode rv = nss_load_crl(SSL_SET_OPTION(CRLfile));
+    if(rv) {
+      result = rv;
+      goto error;
+    }
+    infof(data, "  CRLfile: %s\n", SSL_SET_OPTION(CRLfile));
+  }
+
+  if(SSL_SET_OPTION(cert)) {
+    char *nickname = dup_nickname(data, SSL_SET_OPTION(cert));
+    if(nickname) {
+      /* we are not going to use libnsspem.so to read the client cert */
+      BACKEND->obj_clicert = NULL;
+    }
+    else {
+      CURLcode rv = cert_stuff(conn, sockindex, SSL_SET_OPTION(cert),
+                               SSL_SET_OPTION(key));
+      if(rv) {
+        /* failf() is already done in cert_stuff() */
+        result = rv;
+        goto error;
+      }
+    }
+
+    /* store the nickname for SelectClientCert() called during handshake */
+    BACKEND->client_nickname = nickname;
+  }
+  else
+    BACKEND->client_nickname = NULL;
+
+  if(SSL_GetClientAuthDataHook(model, SelectClientCert,
+                               (void *)connssl) != SECSuccess) {
+    result = CURLE_SSL_CERTPROBLEM;
+    goto error;
+  }
+
+  if(conn->proxy_ssl[sockindex].use) {
+    DEBUGASSERT(ssl_connection_complete == conn->proxy_ssl[sockindex].state);
+    DEBUGASSERT(conn->proxy_ssl[sockindex].backend->handle != NULL);
+    nspr_io = conn->proxy_ssl[sockindex].backend->handle;
+    second_layer = TRUE;
+  }
+  else {
+    /* wrap OS file descriptor by NSPR's file descriptor abstraction */
+    nspr_io = PR_ImportTCPSocket(sockfd);
+    if(!nspr_io)
+      goto error;
+  }
+
+  /* create our own NSPR I/O layer */
+  nspr_io_stub = PR_CreateIOLayerStub(nspr_io_identity, &nspr_io_methods);
+  if(!nspr_io_stub) {
+    if(!second_layer)
+      PR_Close(nspr_io);
+    goto error;
+  }
+
+  /* make the per-connection data accessible from NSPR I/O callbacks */
+  nspr_io_stub->secret = (void *)connssl;
+
+  /* push our new layer to the NSPR I/O stack */
+  if(PR_PushIOLayer(nspr_io, PR_TOP_IO_LAYER, nspr_io_stub) != PR_SUCCESS) {
+    if(!second_layer)
+      PR_Close(nspr_io);
+    PR_Close(nspr_io_stub);
+    goto error;
+  }
+
+  /* import our model socket onto the current I/O stack */
+  BACKEND->handle = SSL_ImportFD(model, nspr_io);
+  if(!BACKEND->handle) {
+    if(!second_layer)
+      PR_Close(nspr_io);
+    goto error;
+  }
+
+  PR_Close(model); /* We don't need this any more */
+  model = NULL;
+
+  /* This is the password associated with the cert that we're using */
+  if(SSL_SET_OPTION(key_passwd)) {
+    SSL_SetPKCS11PinArg(BACKEND->handle, SSL_SET_OPTION(key_passwd));
+  }
+
+#ifdef SSL_ENABLE_OCSP_STAPLING
+  if(SSL_CONN_CONFIG(verifystatus)) {
+    if(SSL_OptionSet(BACKEND->handle, SSL_ENABLE_OCSP_STAPLING, PR_TRUE)
+        != SECSuccess)
+      goto error;
+  }
+#endif
+
+#ifdef SSL_ENABLE_NPN
+  if(SSL_OptionSet(BACKEND->handle, SSL_ENABLE_NPN, conn->bits.tls_enable_npn
+                   ? PR_TRUE : PR_FALSE) != SECSuccess)
+    goto error;
+#endif
+
+#ifdef SSL_ENABLE_ALPN
+  if(SSL_OptionSet(BACKEND->handle, SSL_ENABLE_ALPN, conn->bits.tls_enable_alpn
+                   ? PR_TRUE : PR_FALSE) != SECSuccess)
+    goto error;
+#endif
+
+#if NSSVERNUM >= 0x030f04 /* 3.15.4 */
+  if(data->set.ssl.falsestart) {
+    if(SSL_OptionSet(BACKEND->handle, SSL_ENABLE_FALSE_START, PR_TRUE)
+        != SECSuccess)
+      goto error;
+
+    if(SSL_SetCanFalseStartCallback(BACKEND->handle, CanFalseStartCallback,
+        conn) != SECSuccess)
+      goto error;
+  }
+#endif
+
+#if defined(SSL_ENABLE_NPN) || defined(SSL_ENABLE_ALPN)
+  if(conn->bits.tls_enable_npn || conn->bits.tls_enable_alpn) {
+    int cur = 0;
+    unsigned char protocols[128];
+
+#ifdef USE_NGHTTP2
+    if(data->set.httpversion >= CURL_HTTP_VERSION_2 &&
+       (!SSL_IS_PROXY() || !conn->bits.tunnel_proxy)) {
+      protocols[cur++] = NGHTTP2_PROTO_VERSION_ID_LEN;
+      memcpy(&protocols[cur], NGHTTP2_PROTO_VERSION_ID,
+          NGHTTP2_PROTO_VERSION_ID_LEN);
+      cur += NGHTTP2_PROTO_VERSION_ID_LEN;
+    }
+#endif
+    protocols[cur++] = ALPN_HTTP_1_1_LENGTH;
+    memcpy(&protocols[cur], ALPN_HTTP_1_1, ALPN_HTTP_1_1_LENGTH);
+    cur += ALPN_HTTP_1_1_LENGTH;
+
+    if(SSL_SetNextProtoNego(BACKEND->handle, protocols, cur) != SECSuccess)
+      goto error;
+  }
+#endif
+
+
+  /* Force handshake on next I/O */
+  if(SSL_ResetHandshake(BACKEND->handle, /* asServer */ PR_FALSE)
+      != SECSuccess)
+    goto error;
+
+  /* propagate hostname to the TLS layer */
+  if(SSL_SetURL(BACKEND->handle, SSL_IS_PROXY() ? conn->http_proxy.host.name :
+                conn->host.name) != SECSuccess)
+    goto error;
+
+  /* prevent NSS from re-using the session for a different hostname */
+  if(SSL_SetSockPeerID(BACKEND->handle, SSL_IS_PROXY() ?
+                       conn->http_proxy.host.name : conn->host.name)
+     != SECSuccess)
+    goto error;
+
+  return CURLE_OK;
+
+error:
+  if(model)
+    PR_Close(model);
+
+  return nss_fail_connect(connssl, data, result);
+}
+
+static CURLcode nss_do_connect(struct connectdata *conn, int sockindex)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  struct Curl_easy *data = conn->data;
+  CURLcode result = CURLE_SSL_CONNECT_ERROR;
+  PRUint32 timeout;
+  long * const certverifyresult = SSL_IS_PROXY() ?
+    &data->set.proxy_ssl.certverifyresult : &data->set.ssl.certverifyresult;
+  const char * const pinnedpubkey = SSL_IS_PROXY() ?
+              data->set.str[STRING_SSL_PINNEDPUBLICKEY_PROXY] :
+              data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG];
+
+
+  /* check timeout situation */
+  const time_t time_left = Curl_timeleft(data, NULL, TRUE);
+  if(time_left < 0) {
+    failf(data, "timed out before SSL handshake");
+    result = CURLE_OPERATION_TIMEDOUT;
+    goto error;
+  }
+
+  /* Force the handshake now */
+  timeout = PR_MillisecondsToInterval((PRUint32) time_left);
+  if(SSL_ForceHandshakeWithTimeout(BACKEND->handle, timeout) != SECSuccess) {
+    if(PR_GetError() == PR_WOULD_BLOCK_ERROR)
+      /* blocking direction is updated by nss_update_connecting_state() */
+      return CURLE_AGAIN;
+    else if(*certverifyresult == SSL_ERROR_BAD_CERT_DOMAIN)
+      result = CURLE_PEER_FAILED_VERIFICATION;
+    else if(*certverifyresult != 0)
+      result = CURLE_PEER_FAILED_VERIFICATION;
+    goto error;
+  }
+
+  result = display_conn_info(conn, BACKEND->handle);
+  if(result)
+    goto error;
+
+  if(SSL_SET_OPTION(issuercert)) {
+    SECStatus ret = SECFailure;
+    char *nickname = dup_nickname(data, SSL_SET_OPTION(issuercert));
+    if(nickname) {
+      /* we support only nicknames in case of issuercert for now */
+      ret = check_issuer_cert(BACKEND->handle, nickname);
+      free(nickname);
+    }
+
+    if(SECFailure == ret) {
+      infof(data, "SSL certificate issuer check failed\n");
+      result = CURLE_SSL_ISSUER_ERROR;
+      goto error;
+    }
+    else {
+      infof(data, "SSL certificate issuer check ok\n");
+    }
+  }
+
+  result = cmp_peer_pubkey(connssl, pinnedpubkey);
+  if(result)
+    /* status already printed */
+    goto error;
+
+  return CURLE_OK;
+
+error:
+  return nss_fail_connect(connssl, data, result);
+}
+
+static CURLcode nss_connect_common(struct connectdata *conn, int sockindex,
+                                   bool *done)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  struct Curl_easy *data = conn->data;
+  const bool blocking = (done == NULL);
+  CURLcode result;
+
+  if(connssl->state == ssl_connection_complete) {
+    if(!blocking)
+      *done = TRUE;
+    return CURLE_OK;
+  }
+
+  if(connssl->connecting_state == ssl_connect_1) {
+    result = nss_setup_connect(conn, sockindex);
+    if(result)
+      /* we do not expect CURLE_AGAIN from nss_setup_connect() */
+      return result;
+
+    connssl->connecting_state = ssl_connect_2;
+  }
+
+  /* enable/disable blocking mode before handshake */
+  result = nss_set_blocking(connssl, data, blocking);
+  if(result)
+    return result;
+
+  result = nss_do_connect(conn, sockindex);
+  switch(result) {
+  case CURLE_OK:
+    break;
+  case CURLE_AGAIN:
+    if(!blocking)
+      /* CURLE_AGAIN in non-blocking mode is not an error */
+      return CURLE_OK;
+    /* FALLTHROUGH */
+  default:
+    return result;
+  }
+
+  if(blocking) {
+    /* in blocking mode, set NSS non-blocking mode _after_ SSL handshake */
+    result = nss_set_blocking(connssl, data, /* blocking */ FALSE);
+    if(result)
+      return result;
+  }
+  else
+    /* signal completed SSL handshake */
+    *done = TRUE;
+
+  connssl->state = ssl_connection_complete;
+  conn->recv[sockindex] = nss_recv;
+  conn->send[sockindex] = nss_send;
+
+  /* ssl_connect_done is never used outside, go back to the initial state */
+  connssl->connecting_state = ssl_connect_1;
+
+  return CURLE_OK;
+}
+
+static CURLcode Curl_nss_connect(struct connectdata *conn, int sockindex)
+{
+  return nss_connect_common(conn, sockindex, /* blocking */ NULL);
+}
+
+static CURLcode Curl_nss_connect_nonblocking(struct connectdata *conn,
+                                             int sockindex, bool *done)
+{
+  return nss_connect_common(conn, sockindex, done);
+}
+
+static ssize_t nss_send(struct connectdata *conn,  /* connection data */
+                        int sockindex,             /* socketindex */
+                        const void *mem,           /* send this data */
+                        size_t len,                /* amount to write */
+                        CURLcode *curlcode)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  ssize_t rc;
+
+  /* The SelectClientCert() hook uses this for infof() and failf() but the
+     handle stored in nss_setup_connect() could have already been freed. */
+  BACKEND->data = conn->data;
+
+  rc = PR_Send(BACKEND->handle, mem, (int)len, 0, PR_INTERVAL_NO_WAIT);
+  if(rc < 0) {
+    PRInt32 err = PR_GetError();
+    if(err == PR_WOULD_BLOCK_ERROR)
+      *curlcode = CURLE_AGAIN;
+    else {
+      /* print the error number and error string */
+      const char *err_name = nss_error_to_name(err);
+      infof(conn->data, "SSL write: error %d (%s)\n", err, err_name);
+
+      /* print a human-readable message describing the error if available */
+      nss_print_error_message(conn->data, err);
+
+      *curlcode = (is_cc_error(err))
+        ? CURLE_SSL_CERTPROBLEM
+        : CURLE_SEND_ERROR;
+    }
+
+    return -1;
+  }
+
+  return rc; /* number of bytes */
+}
+
+static ssize_t nss_recv(struct connectdata *conn,  /* connection data */
+                        int sockindex,             /* socketindex */
+                        char *buf,                 /* store read data here */
+                        size_t buffersize,         /* max amount to read */
+                        CURLcode *curlcode)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  ssize_t nread;
+
+  /* The SelectClientCert() hook uses this for infof() and failf() but the
+     handle stored in nss_setup_connect() could have already been freed. */
+  BACKEND->data = conn->data;
+
+  nread = PR_Recv(BACKEND->handle, buf, (int)buffersize, 0,
+                  PR_INTERVAL_NO_WAIT);
+  if(nread < 0) {
+    /* failed SSL read */
+    PRInt32 err = PR_GetError();
+
+    if(err == PR_WOULD_BLOCK_ERROR)
+      *curlcode = CURLE_AGAIN;
+    else {
+      /* print the error number and error string */
+      const char *err_name = nss_error_to_name(err);
+      infof(conn->data, "SSL read: errno %d (%s)\n", err, err_name);
+
+      /* print a human-readable message describing the error if available */
+      nss_print_error_message(conn->data, err);
+
+      *curlcode = (is_cc_error(err))
+        ? CURLE_SSL_CERTPROBLEM
+        : CURLE_RECV_ERROR;
+    }
+
+    return -1;
+  }
+
+  return nread;
+}
+
+static size_t Curl_nss_version(char *buffer, size_t size)
+{
+  return msnprintf(buffer, size, "NSS/%s", NSS_VERSION);
+}
+
+/* data might be NULL */
+static int Curl_nss_seed(struct Curl_easy *data)
+{
+  /* make sure that NSS is initialized */
+  return !!Curl_nss_force_init(data);
+}
+
+/* data might be NULL */
+static CURLcode Curl_nss_random(struct Curl_easy *data,
+                                unsigned char *entropy,
+                                size_t length)
+{
+  Curl_nss_seed(data);  /* Initiate the seed if not already done */
+
+  if(SECSuccess != PK11_GenerateRandom(entropy, curlx_uztosi(length)))
+    /* signal a failure */
+    return CURLE_FAILED_INIT;
+
+  return CURLE_OK;
+}
+
+static CURLcode Curl_nss_md5sum(unsigned char *tmp, /* input */
+                                size_t tmplen,
+                                unsigned char *md5sum, /* output */
+                                size_t md5len)
+{
+  PK11Context *MD5pw = PK11_CreateDigestContext(SEC_OID_MD5);
+  unsigned int MD5out;
+
+  PK11_DigestOp(MD5pw, tmp, curlx_uztoui(tmplen));
+  PK11_DigestFinal(MD5pw, md5sum, &MD5out, curlx_uztoui(md5len));
+  PK11_DestroyContext(MD5pw, PR_TRUE);
+
+  return CURLE_OK;
+}
+
+static CURLcode Curl_nss_sha256sum(const unsigned char *tmp, /* input */
+                               size_t tmplen,
+                               unsigned char *sha256sum, /* output */
+                               size_t sha256len)
+{
+  PK11Context *SHA256pw = PK11_CreateDigestContext(SEC_OID_SHA256);
+  unsigned int SHA256out;
+
+  PK11_DigestOp(SHA256pw, tmp, curlx_uztoui(tmplen));
+  PK11_DigestFinal(SHA256pw, sha256sum, &SHA256out, curlx_uztoui(sha256len));
+  PK11_DestroyContext(SHA256pw, PR_TRUE);
+
+  return CURLE_OK;
+}
+
+static bool Curl_nss_cert_status_request(void)
+{
+#ifdef SSL_ENABLE_OCSP_STAPLING
+  return TRUE;
+#else
+  return FALSE;
+#endif
+}
+
+static bool Curl_nss_false_start(void)
+{
+#if NSSVERNUM >= 0x030f04 /* 3.15.4 */
+  return TRUE;
+#else
+  return FALSE;
+#endif
+}
+
+static void *Curl_nss_get_internals(struct ssl_connect_data *connssl,
+                                    CURLINFO info UNUSED_PARAM)
+{
+  (void)info;
+  return BACKEND->handle;
+}
+
+const struct Curl_ssl Curl_ssl_nss = {
+  { CURLSSLBACKEND_NSS, "nss" }, /* info */
+
+  SSLSUPP_CA_PATH |
+  SSLSUPP_CERTINFO |
+  SSLSUPP_PINNEDPUBKEY |
+  SSLSUPP_HTTPS_PROXY,
+
+  sizeof(struct ssl_backend_data),
+
+  Curl_nss_init,                /* init */
+  Curl_nss_cleanup,             /* cleanup */
+  Curl_nss_version,             /* version */
+  Curl_nss_check_cxn,           /* check_cxn */
+  /* NSS has no shutdown function provided and thus always fail */
+  Curl_none_shutdown,           /* shutdown */
+  Curl_none_data_pending,       /* data_pending */
+  Curl_nss_random,              /* random */
+  Curl_nss_cert_status_request, /* cert_status_request */
+  Curl_nss_connect,             /* connect */
+  Curl_nss_connect_nonblocking, /* connect_nonblocking */
+  Curl_nss_get_internals,       /* get_internals */
+  Curl_nss_close,               /* close_one */
+  Curl_none_close_all,          /* close_all */
+  /* NSS has its own session ID cache */
+  Curl_none_session_free,       /* session_free */
+  Curl_none_set_engine,         /* set_engine */
+  Curl_none_set_engine_default, /* set_engine_default */
+  Curl_none_engines_list,       /* engines_list */
+  Curl_nss_false_start,         /* false_start */
+  Curl_nss_md5sum,              /* md5sum */
+  Curl_nss_sha256sum            /* sha256sum */
+};
+
+#endif /* USE_NSS */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/nssg.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/nssg.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/nssg.h	(revision 85671)
@@ -0,0 +1,39 @@
+#ifndef HEADER_CURL_NSSG_H
+#define HEADER_CURL_NSSG_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#ifdef USE_NSS
+/*
+ * This header should only be needed to get included by vtls.c and nss.c
+ */
+
+#include "urldata.h"
+
+/* initialize NSS library if not already */
+CURLcode Curl_nss_force_init(struct Curl_easy *data);
+
+extern const struct Curl_ssl Curl_ssl_nss;
+
+#endif /* USE_NSS */
+#endif /* HEADER_CURL_NSSG_H */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/openssl.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/openssl.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/openssl.c	(revision 85671)
@@ -0,0 +1,3930 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Source file for all OpenSSL-specific code for the TLS/SSL layer. No code
+ * but vtls.c should ever call or use these functions.
+ */
+
+/*
+ * The original SSLeay-using code for curl was written by Linas Vepstas and
+ * Sampo Kellomaki 1998.
+ */
+
+#include "curl_setup.h"
+
+#ifdef USE_OPENSSL
+
+#include <limits.h>
+
+#include "urldata.h"
+#include "sendf.h"
+#include "formdata.h" /* for the boundary function */
+#include "url.h" /* for the ssl config check function */
+#include "inet_pton.h"
+#include "openssl.h"
+#include "connect.h"
+#include "slist.h"
+#include "select.h"
+#include "vtls.h"
+#include "strcase.h"
+#include "hostcheck.h"
+#include "curl_printf.h"
+#include <openssl/ssl.h>
+#include <openssl/rand.h>
+#include <openssl/x509v3.h>
+#ifndef OPENSSL_NO_DSA
+#include <openssl/dsa.h>
+#endif
+#include <openssl/dh.h>
+#include <openssl/err.h>
+#include <openssl/md5.h>
+#include <openssl/conf.h>
+#include <openssl/bn.h>
+#include <openssl/rsa.h>
+#include <openssl/bio.h>
+#include <openssl/buffer.h>
+#include <openssl/pkcs12.h>
+
+#if (OPENSSL_VERSION_NUMBER >= 0x0090808fL) && !defined(OPENSSL_NO_OCSP)
+#include <openssl/ocsp.h>
+#endif
+
+#if (OPENSSL_VERSION_NUMBER >= 0x0090700fL) && /* 0.9.7 or later */     \
+  !defined(OPENSSL_NO_ENGINE)
+#define USE_OPENSSL_ENGINE
+#include <openssl/engine.h>
+#endif
+
+#include "warnless.h"
+#include "non-ascii.h" /* for Curl_convert_from_utf8 prototype */
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* Uncomment the ALLOW_RENEG line to a real #define if you want to allow TLS
+   renegotiations when built with BoringSSL. Renegotiating is non-compliant
+   with HTTP/2 and "an extremely dangerous protocol feature". Beware.
+
+#define ALLOW_RENEG 1
+ */
+
+#ifndef OPENSSL_VERSION_NUMBER
+#error "OPENSSL_VERSION_NUMBER not defined"
+#endif
+
+#ifdef USE_OPENSSL_ENGINE
+#include <openssl/ui.h>
+#endif
+
+#if OPENSSL_VERSION_NUMBER >= 0x00909000L
+#define SSL_METHOD_QUAL const
+#else
+#define SSL_METHOD_QUAL
+#endif
+
+#if (OPENSSL_VERSION_NUMBER >= 0x10000000L)
+#define HAVE_ERR_REMOVE_THREAD_STATE 1
+#endif
+
+#if !defined(HAVE_SSLV2_CLIENT_METHOD) || \
+  OPENSSL_VERSION_NUMBER >= 0x10100000L /* 1.1.0+ has no SSLv2 */
+#undef OPENSSL_NO_SSL2 /* undef first to avoid compiler warnings */
+#define OPENSSL_NO_SSL2
+#endif
+
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && /* OpenSSL 1.1.0+ */ \
+    !(defined(LIBRESSL_VERSION_NUMBER) && \
+      LIBRESSL_VERSION_NUMBER < 0x20700000L)
+#define SSLEAY_VERSION_NUMBER OPENSSL_VERSION_NUMBER
+#define HAVE_X509_GET0_EXTENSIONS 1 /* added in 1.1.0 -pre1 */
+#define HAVE_OPAQUE_EVP_PKEY 1 /* since 1.1.0 -pre3 */
+#define HAVE_OPAQUE_RSA_DSA_DH 1 /* since 1.1.0 -pre5 */
+#define CONST_EXTS const
+#define HAVE_ERR_REMOVE_THREAD_STATE_DEPRECATED 1
+
+/* funny typecast define due to difference in API */
+#ifdef LIBRESSL_VERSION_NUMBER
+#define ARG2_X509_signature_print (X509_ALGOR *)
+#else
+#define ARG2_X509_signature_print
+#endif
+
+#else
+/* For OpenSSL before 1.1.0 */
+#define ASN1_STRING_get0_data(x) ASN1_STRING_data(x)
+#define X509_get0_notBefore(x) X509_get_notBefore(x)
+#define X509_get0_notAfter(x) X509_get_notAfter(x)
+#define CONST_EXTS /* nope */
+#ifndef LIBRESSL_VERSION_NUMBER
+#define OpenSSL_version_num() SSLeay()
+#endif
+#endif
+
+#ifdef LIBRESSL_VERSION_NUMBER
+#define OpenSSL_version_num() LIBRESSL_VERSION_NUMBER
+#endif
+
+#if (OPENSSL_VERSION_NUMBER >= 0x1000200fL) && /* 1.0.2 or later */ \
+    !(defined(LIBRESSL_VERSION_NUMBER) && \
+      LIBRESSL_VERSION_NUMBER < 0x20700000L)
+#define HAVE_X509_GET0_SIGNATURE 1
+#endif
+
+#if OPENSSL_VERSION_NUMBER >= 0x10002003L && \
+  OPENSSL_VERSION_NUMBER <= 0x10002FFFL && \
+  !defined(OPENSSL_NO_COMP)
+#define HAVE_SSL_COMP_FREE_COMPRESSION_METHODS 1
+#endif
+
+#if (OPENSSL_VERSION_NUMBER < 0x0090808fL)
+/* not present in older OpenSSL */
+#define OPENSSL_load_builtin_modules(x)
+#endif
+
+/*
+ * Whether SSL_CTX_set_keylog_callback is available.
+ * OpenSSL: supported since 1.1.1 https://github.com/openssl/openssl/pull/2287
+ * BoringSSL: supported since d28f59c27bac (committed 2015-11-19)
+ * LibreSSL: unsupported in at least 2.7.2 (explicitly check for it since it
+ *           lies and pretends to be OpenSSL 2.0.0).
+ */
+#if (OPENSSL_VERSION_NUMBER >= 0x10101000L && \
+     !defined(LIBRESSL_VERSION_NUMBER)) || \
+    defined(OPENSSL_IS_BORINGSSL)
+#define HAVE_KEYLOG_CALLBACK
+#endif
+
+/* Whether SSL_CTX_set_ciphersuites is available.
+ * OpenSSL: supported since 1.1.1 (commit a53b5be6a05)
+ * BoringSSL: no
+ * LibreSSL: no
+ */
+#if ((OPENSSL_VERSION_NUMBER >= 0x10101000L) && \
+     !defined(LIBRESSL_VERSION_NUMBER) &&       \
+     !defined(OPENSSL_IS_BORINGSSL))
+#define HAVE_SSL_CTX_SET_CIPHERSUITES
+#define HAVE_SSL_CTX_SET_POST_HANDSHAKE_AUTH
+#endif
+
+#if defined(LIBRESSL_VERSION_NUMBER)
+#define OSSL_PACKAGE "LibreSSL"
+#elif defined(OPENSSL_IS_BORINGSSL)
+#define OSSL_PACKAGE "BoringSSL"
+#else
+#define OSSL_PACKAGE "OpenSSL"
+#endif
+
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+/* up2date versions of OpenSSL maintain the default reasonably secure without
+ * breaking compatibility, so it is better not to override the default by curl
+ */
+#define DEFAULT_CIPHER_SELECTION NULL
+#else
+/* ... but it is not the case with old versions of OpenSSL */
+#define DEFAULT_CIPHER_SELECTION \
+  "ALL:!EXPORT:!EXPORT40:!EXPORT56:!aNULL:!LOW:!RC4:@STRENGTH"
+#endif
+
+#define ENABLE_SSLKEYLOGFILE
+
+#ifdef ENABLE_SSLKEYLOGFILE
+typedef struct ssl_tap_state {
+  int master_key_length;
+  unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH];
+  unsigned char client_random[SSL3_RANDOM_SIZE];
+} ssl_tap_state_t;
+#endif /* ENABLE_SSLKEYLOGFILE */
+
+struct ssl_backend_data {
+  /* these ones requires specific SSL-types */
+  SSL_CTX* ctx;
+  SSL*     handle;
+  X509*    server_cert;
+#ifdef ENABLE_SSLKEYLOGFILE
+  /* tap_state holds the last seen master key if we're logging them */
+  ssl_tap_state_t tap_state;
+#endif
+};
+
+#define BACKEND connssl->backend
+
+/*
+ * Number of bytes to read from the random number seed file. This must be
+ * a finite value (because some entropy "files" like /dev/urandom have
+ * an infinite length), but must be large enough to provide enough
+ * entropy to properly seed OpenSSL's PRNG.
+ */
+#define RAND_LOAD_LENGTH 1024
+
+#ifdef ENABLE_SSLKEYLOGFILE
+/* The fp for the open SSLKEYLOGFILE, or NULL if not open */
+static FILE *keylog_file_fp;
+
+#ifdef HAVE_KEYLOG_CALLBACK
+static void ossl_keylog_callback(const SSL *ssl, const char *line)
+{
+  (void)ssl;
+
+  /* Using fputs here instead of fprintf since libcurl's fprintf replacement
+     may not be thread-safe. */
+  if(keylog_file_fp && line && *line) {
+    char stackbuf[256];
+    char *buf;
+    size_t linelen = strlen(line);
+
+    if(linelen <= sizeof(stackbuf) - 2)
+      buf = stackbuf;
+    else {
+      buf = malloc(linelen + 2);
+      if(!buf)
+        return;
+    }
+    memcpy(buf, line, linelen);
+    buf[linelen] = '\n';
+    buf[linelen + 1] = '\0';
+
+    fputs(buf, keylog_file_fp);
+    if(buf != stackbuf)
+      free(buf);
+  }
+}
+#else
+#define KEYLOG_PREFIX      "CLIENT_RANDOM "
+#define KEYLOG_PREFIX_LEN  (sizeof(KEYLOG_PREFIX) - 1)
+/*
+ * tap_ssl_key is called by libcurl to make the CLIENT_RANDOMs if the OpenSSL
+ * being used doesn't have native support for doing that.
+ */
+static void tap_ssl_key(const SSL *ssl, ssl_tap_state_t *state)
+{
+  const char *hex = "0123456789ABCDEF";
+  int pos, i;
+  char line[KEYLOG_PREFIX_LEN + 2 * SSL3_RANDOM_SIZE + 1 +
+            2 * SSL_MAX_MASTER_KEY_LENGTH + 1 + 1];
+  const SSL_SESSION *session = SSL_get_session(ssl);
+  unsigned char client_random[SSL3_RANDOM_SIZE];
+  unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH];
+  int master_key_length = 0;
+
+  if(!session || !keylog_file_fp)
+    return;
+
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && \
+    !(defined(LIBRESSL_VERSION_NUMBER) && \
+      LIBRESSL_VERSION_NUMBER < 0x20700000L)
+  /* ssl->s3 is not checked in openssl 1.1.0-pre6, but let's assume that
+   * we have a valid SSL context if we have a non-NULL session. */
+  SSL_get_client_random(ssl, client_random, SSL3_RANDOM_SIZE);
+  master_key_length = (int)
+    SSL_SESSION_get_master_key(session, master_key, SSL_MAX_MASTER_KEY_LENGTH);
+#else
+  if(ssl->s3 && session->master_key_length > 0) {
+    master_key_length = session->master_key_length;
+    memcpy(master_key, session->master_key, session->master_key_length);
+    memcpy(client_random, ssl->s3->client_random, SSL3_RANDOM_SIZE);
+  }
+#endif
+
+  if(master_key_length <= 0)
+    return;
+
+  /* Skip writing keys if there is no key or it did not change. */
+  if(state->master_key_length == master_key_length &&
+     !memcmp(state->master_key, master_key, master_key_length) &&
+     !memcmp(state->client_random, client_random, SSL3_RANDOM_SIZE)) {
+    return;
+  }
+
+  state->master_key_length = master_key_length;
+  memcpy(state->master_key, master_key, master_key_length);
+  memcpy(state->client_random, client_random, SSL3_RANDOM_SIZE);
+
+  memcpy(line, KEYLOG_PREFIX, KEYLOG_PREFIX_LEN);
+  pos = KEYLOG_PREFIX_LEN;
+
+  /* Client Random for SSLv3/TLS */
+  for(i = 0; i < SSL3_RANDOM_SIZE; i++) {
+    line[pos++] = hex[client_random[i] >> 4];
+    line[pos++] = hex[client_random[i] & 0xF];
+  }
+  line[pos++] = ' ';
+
+  /* Master Secret (size is at most SSL_MAX_MASTER_KEY_LENGTH) */
+  for(i = 0; i < master_key_length; i++) {
+    line[pos++] = hex[master_key[i] >> 4];
+    line[pos++] = hex[master_key[i] & 0xF];
+  }
+  line[pos++] = '\n';
+  line[pos] = '\0';
+
+  /* Using fputs here instead of fprintf since libcurl's fprintf replacement
+     may not be thread-safe. */
+  fputs(line, keylog_file_fp);
+}
+#endif /* !HAVE_KEYLOG_CALLBACK */
+#endif /* ENABLE_SSLKEYLOGFILE */
+
+static const char *SSL_ERROR_to_str(int err)
+{
+  switch(err) {
+  case SSL_ERROR_NONE:
+    return "SSL_ERROR_NONE";
+  case SSL_ERROR_SSL:
+    return "SSL_ERROR_SSL";
+  case SSL_ERROR_WANT_READ:
+    return "SSL_ERROR_WANT_READ";
+  case SSL_ERROR_WANT_WRITE:
+    return "SSL_ERROR_WANT_WRITE";
+  case SSL_ERROR_WANT_X509_LOOKUP:
+    return "SSL_ERROR_WANT_X509_LOOKUP";
+  case SSL_ERROR_SYSCALL:
+    return "SSL_ERROR_SYSCALL";
+  case SSL_ERROR_ZERO_RETURN:
+    return "SSL_ERROR_ZERO_RETURN";
+  case SSL_ERROR_WANT_CONNECT:
+    return "SSL_ERROR_WANT_CONNECT";
+  case SSL_ERROR_WANT_ACCEPT:
+    return "SSL_ERROR_WANT_ACCEPT";
+#if defined(SSL_ERROR_WANT_ASYNC)
+  case SSL_ERROR_WANT_ASYNC:
+    return "SSL_ERROR_WANT_ASYNC";
+#endif
+#if defined(SSL_ERROR_WANT_ASYNC_JOB)
+  case SSL_ERROR_WANT_ASYNC_JOB:
+    return "SSL_ERROR_WANT_ASYNC_JOB";
+#endif
+#if defined(SSL_ERROR_WANT_EARLY)
+  case SSL_ERROR_WANT_EARLY:
+    return "SSL_ERROR_WANT_EARLY";
+#endif
+  default:
+    return "SSL_ERROR unknown";
+  }
+}
+
+/* Return error string for last OpenSSL error
+ */
+static char *ossl_strerror(unsigned long error, char *buf, size_t size)
+{
+  ERR_error_string_n(error, buf, size);
+  return buf;
+}
+
+/* Return an extra data index for the connection data.
+ * This index can be used with SSL_get_ex_data() and SSL_set_ex_data().
+ */
+static int ossl_get_ssl_conn_index(void)
+{
+  static int ssl_ex_data_conn_index = -1;
+  if(ssl_ex_data_conn_index < 0) {
+    ssl_ex_data_conn_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL);
+  }
+  return ssl_ex_data_conn_index;
+}
+
+/* Return an extra data index for the sockindex.
+ * This index can be used with SSL_get_ex_data() and SSL_set_ex_data().
+ */
+static int ossl_get_ssl_sockindex_index(void)
+{
+  static int ssl_ex_data_sockindex_index = -1;
+  if(ssl_ex_data_sockindex_index < 0) {
+    ssl_ex_data_sockindex_index = SSL_get_ex_new_index(0, NULL, NULL, NULL,
+        NULL);
+  }
+  return ssl_ex_data_sockindex_index;
+}
+
+static int passwd_callback(char *buf, int num, int encrypting,
+                           void *global_passwd)
+{
+  DEBUGASSERT(0 == encrypting);
+
+  if(!encrypting) {
+    int klen = curlx_uztosi(strlen((char *)global_passwd));
+    if(num > klen) {
+      memcpy(buf, global_passwd, klen + 1);
+      return klen;
+    }
+  }
+  return 0;
+}
+
+/*
+ * rand_enough() returns TRUE if we have seeded the random engine properly.
+ */
+static bool rand_enough(void)
+{
+  return (0 != RAND_status()) ? TRUE : FALSE;
+}
+
+static CURLcode Curl_ossl_seed(struct Curl_easy *data)
+{
+  /* we have the "SSL is seeded" boolean static to prevent multiple
+     time-consuming seedings in vain */
+  static bool ssl_seeded = FALSE;
+  char fname[256];
+
+  if(ssl_seeded)
+    return CURLE_OK;
+
+  if(rand_enough()) {
+    /* OpenSSL 1.1.0+ will return here */
+    ssl_seeded = TRUE;
+    return CURLE_OK;
+  }
+
+#ifndef RANDOM_FILE
+  /* if RANDOM_FILE isn't defined, we only perform this if an option tells
+     us to! */
+  if(data->set.str[STRING_SSL_RANDOM_FILE])
+#define RANDOM_FILE "" /* doesn't matter won't be used */
+#endif
+  {
+    /* let the option override the define */
+    RAND_load_file((data->set.str[STRING_SSL_RANDOM_FILE]?
+                    data->set.str[STRING_SSL_RANDOM_FILE]:
+                    RANDOM_FILE),
+                   RAND_LOAD_LENGTH);
+    if(rand_enough())
+      return CURLE_OK;
+  }
+
+#if defined(HAVE_RAND_EGD)
+  /* only available in OpenSSL 0.9.5 and later */
+  /* EGD_SOCKET is set at configure time or not at all */
+#ifndef EGD_SOCKET
+  /* If we don't have the define set, we only do this if the egd-option
+     is set */
+  if(data->set.str[STRING_SSL_EGDSOCKET])
+#define EGD_SOCKET "" /* doesn't matter won't be used */
+#endif
+  {
+    /* If there's an option and a define, the option overrides the
+       define */
+    int ret = RAND_egd(data->set.str[STRING_SSL_EGDSOCKET]?
+                       data->set.str[STRING_SSL_EGDSOCKET]:EGD_SOCKET);
+    if(-1 != ret) {
+      if(rand_enough())
+        return CURLE_OK;
+    }
+  }
+#endif
+
+  /* fallback to a custom seeding of the PRNG using a hash based on a current
+     time */
+  do {
+    unsigned char randb[64];
+    size_t len = sizeof(randb);
+    size_t i, i_max;
+    for(i = 0, i_max = len / sizeof(struct curltime); i < i_max; ++i) {
+      struct curltime tv = Curl_now();
+      Curl_wait_ms(1);
+      tv.tv_sec *= i + 1;
+      tv.tv_usec *= (unsigned int)i + 2;
+      tv.tv_sec ^= ((Curl_now().tv_sec + Curl_now().tv_usec) *
+                    (i + 3)) << 8;
+      tv.tv_usec ^= (unsigned int) ((Curl_now().tv_sec +
+                                     Curl_now().tv_usec) *
+                                    (i + 4)) << 16;
+      memcpy(&randb[i * sizeof(struct curltime)], &tv,
+             sizeof(struct curltime));
+    }
+    RAND_add(randb, (int)len, (double)len/2);
+  } while(!rand_enough());
+
+  /* generates a default path for the random seed file */
+  fname[0] = 0; /* blank it first */
+  RAND_file_name(fname, sizeof(fname));
+  if(fname[0]) {
+    /* we got a file name to try */
+    RAND_load_file(fname, RAND_LOAD_LENGTH);
+    if(rand_enough())
+      return CURLE_OK;
+  }
+
+  infof(data, "libcurl is now using a weak random seed!\n");
+  return (rand_enough() ? CURLE_OK :
+    CURLE_SSL_CONNECT_ERROR /* confusing error code */);
+}
+
+#ifndef SSL_FILETYPE_ENGINE
+#define SSL_FILETYPE_ENGINE 42
+#endif
+#ifndef SSL_FILETYPE_PKCS12
+#define SSL_FILETYPE_PKCS12 43
+#endif
+static int do_file_type(const char *type)
+{
+  if(!type || !type[0])
+    return SSL_FILETYPE_PEM;
+  if(strcasecompare(type, "PEM"))
+    return SSL_FILETYPE_PEM;
+  if(strcasecompare(type, "DER"))
+    return SSL_FILETYPE_ASN1;
+  if(strcasecompare(type, "ENG"))
+    return SSL_FILETYPE_ENGINE;
+  if(strcasecompare(type, "P12"))
+    return SSL_FILETYPE_PKCS12;
+  return -1;
+}
+
+#ifdef USE_OPENSSL_ENGINE
+/*
+ * Supply default password to the engine user interface conversation.
+ * The password is passed by OpenSSL engine from ENGINE_load_private_key()
+ * last argument to the ui and can be obtained by UI_get0_user_data(ui) here.
+ */
+static int ssl_ui_reader(UI *ui, UI_STRING *uis)
+{
+  const char *password;
+  switch(UI_get_string_type(uis)) {
+  case UIT_PROMPT:
+  case UIT_VERIFY:
+    password = (const char *)UI_get0_user_data(ui);
+    if(password && (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD)) {
+      UI_set_result(ui, uis, password);
+      return 1;
+    }
+  default:
+    break;
+  }
+  return (UI_method_get_reader(UI_OpenSSL()))(ui, uis);
+}
+
+/*
+ * Suppress interactive request for a default password if available.
+ */
+static int ssl_ui_writer(UI *ui, UI_STRING *uis)
+{
+  switch(UI_get_string_type(uis)) {
+  case UIT_PROMPT:
+  case UIT_VERIFY:
+    if(UI_get0_user_data(ui) &&
+       (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD)) {
+      return 1;
+    }
+  default:
+    break;
+  }
+  return (UI_method_get_writer(UI_OpenSSL()))(ui, uis);
+}
+
+/*
+ * Check if a given string is a PKCS#11 URI
+ */
+static bool is_pkcs11_uri(const char *string)
+{
+  return (string && strncasecompare(string, "pkcs11:", 7));
+}
+
+#endif
+
+static CURLcode Curl_ossl_set_engine(struct Curl_easy *data,
+                                     const char *engine);
+
+static
+int cert_stuff(struct connectdata *conn,
+               SSL_CTX* ctx,
+               char *cert_file,
+               const char *cert_type,
+               char *key_file,
+               const char *key_type,
+               char *key_passwd)
+{
+  struct Curl_easy *data = conn->data;
+  char error_buffer[256];
+  bool check_privkey = TRUE;
+
+  int file_type = do_file_type(cert_type);
+
+  if(cert_file || (file_type == SSL_FILETYPE_ENGINE)) {
+    SSL *ssl;
+    X509 *x509;
+    int cert_done = 0;
+
+    if(key_passwd) {
+      /* set the password in the callback userdata */
+      SSL_CTX_set_default_passwd_cb_userdata(ctx, key_passwd);
+      /* Set passwd callback: */
+      SSL_CTX_set_default_passwd_cb(ctx, passwd_callback);
+    }
+
+
+    switch(file_type) {
+    case SSL_FILETYPE_PEM:
+      /* SSL_CTX_use_certificate_chain_file() only works on PEM files */
+      if(SSL_CTX_use_certificate_chain_file(ctx,
+                                            cert_file) != 1) {
+        failf(data,
+              "could not load PEM client certificate, " OSSL_PACKAGE
+              " error %s, "
+              "(no key found, wrong pass phrase, or wrong file format?)",
+              ossl_strerror(ERR_get_error(), error_buffer,
+                            sizeof(error_buffer)) );
+        return 0;
+      }
+      break;
+
+    case SSL_FILETYPE_ASN1:
+      /* SSL_CTX_use_certificate_file() works with either PEM or ASN1, but
+         we use the case above for PEM so this can only be performed with
+         ASN1 files. */
+      if(SSL_CTX_use_certificate_file(ctx,
+                                      cert_file,
+                                      file_type) != 1) {
+        failf(data,
+              "could not load ASN1 client certificate, " OSSL_PACKAGE
+              " error %s, "
+              "(no key found, wrong pass phrase, or wrong file format?)",
+              ossl_strerror(ERR_get_error(), error_buffer,
+                            sizeof(error_buffer)) );
+        return 0;
+      }
+      break;
+    case SSL_FILETYPE_ENGINE:
+#if defined(USE_OPENSSL_ENGINE) && defined(ENGINE_CTRL_GET_CMD_FROM_NAME)
+      {
+        /* Implicitly use pkcs11 engine if none was provided and the
+         * cert_file is a PKCS#11 URI */
+        if(!data->state.engine) {
+          if(is_pkcs11_uri(cert_file)) {
+            if(Curl_ossl_set_engine(data, "pkcs11") != CURLE_OK) {
+              return 0;
+            }
+          }
+        }
+
+        if(data->state.engine) {
+          const char *cmd_name = "LOAD_CERT_CTRL";
+          struct {
+            const char *cert_id;
+            X509 *cert;
+          } params;
+
+          params.cert_id = cert_file;
+          params.cert = NULL;
+
+          /* Does the engine supports LOAD_CERT_CTRL ? */
+          if(!ENGINE_ctrl(data->state.engine, ENGINE_CTRL_GET_CMD_FROM_NAME,
+                          0, (void *)cmd_name, NULL)) {
+            failf(data, "ssl engine does not support loading certificates");
+            return 0;
+          }
+
+          /* Load the certificate from the engine */
+          if(!ENGINE_ctrl_cmd(data->state.engine, cmd_name,
+                              0, &params, NULL, 1)) {
+            failf(data, "ssl engine cannot load client cert with id"
+                  " '%s' [%s]", cert_file,
+                  ossl_strerror(ERR_get_error(), error_buffer,
+                                sizeof(error_buffer)));
+            return 0;
+          }
+
+          if(!params.cert) {
+            failf(data, "ssl engine didn't initialized the certificate "
+                  "properly.");
+            return 0;
+          }
+
+          if(SSL_CTX_use_certificate(ctx, params.cert) != 1) {
+            failf(data, "unable to set client certificate");
+            X509_free(params.cert);
+            return 0;
+          }
+          X509_free(params.cert); /* we don't need the handle any more... */
+        }
+        else {
+          failf(data, "crypto engine not set, can't load certificate");
+          return 0;
+        }
+      }
+      break;
+#else
+      failf(data, "file type ENG for certificate not implemented");
+      return 0;
+#endif
+
+    case SSL_FILETYPE_PKCS12:
+    {
+      BIO *fp = NULL;
+      PKCS12 *p12 = NULL;
+      EVP_PKEY *pri;
+      STACK_OF(X509) *ca = NULL;
+
+      fp = BIO_new(BIO_s_file());
+      if(fp == NULL) {
+        failf(data,
+              "BIO_new return NULL, " OSSL_PACKAGE
+              " error %s",
+              ossl_strerror(ERR_get_error(), error_buffer,
+                            sizeof(error_buffer)) );
+        return 0;
+      }
+
+      if(BIO_read_filename(fp, cert_file) <= 0) {
+        failf(data, "could not open PKCS12 file '%s'", cert_file);
+        BIO_free(fp);
+        return 0;
+      }
+      p12 = d2i_PKCS12_bio(fp, NULL);
+      BIO_free(fp);
+
+      if(!p12) {
+        failf(data, "error reading PKCS12 file '%s'", cert_file);
+        return 0;
+      }
+
+      PKCS12_PBE_add();
+
+      if(!PKCS12_parse(p12, key_passwd, &pri, &x509,
+                       &ca)) {
+        failf(data,
+              "could not parse PKCS12 file, check password, " OSSL_PACKAGE
+              " error %s",
+              ossl_strerror(ERR_get_error(), error_buffer,
+                            sizeof(error_buffer)) );
+        PKCS12_free(p12);
+        return 0;
+      }
+
+      PKCS12_free(p12);
+
+      if(SSL_CTX_use_certificate(ctx, x509) != 1) {
+        failf(data,
+              "could not load PKCS12 client certificate, " OSSL_PACKAGE
+              " error %s",
+              ossl_strerror(ERR_get_error(), error_buffer,
+                            sizeof(error_buffer)) );
+        goto fail;
+      }
+
+      if(SSL_CTX_use_PrivateKey(ctx, pri) != 1) {
+        failf(data, "unable to use private key from PKCS12 file '%s'",
+              cert_file);
+        goto fail;
+      }
+
+      if(!SSL_CTX_check_private_key (ctx)) {
+        failf(data, "private key from PKCS12 file '%s' "
+              "does not match certificate in same file", cert_file);
+        goto fail;
+      }
+      /* Set Certificate Verification chain */
+      if(ca) {
+        while(sk_X509_num(ca)) {
+          /*
+           * Note that sk_X509_pop() is used below to make sure the cert is
+           * removed from the stack properly before getting passed to
+           * SSL_CTX_add_extra_chain_cert(), which takes ownership. Previously
+           * we used sk_X509_value() instead, but then we'd clean it in the
+           * subsequent sk_X509_pop_free() call.
+           */
+          X509 *x = sk_X509_pop(ca);
+          if(!SSL_CTX_add_client_CA(ctx, x)) {
+            X509_free(x);
+            failf(data, "cannot add certificate to client CA list");
+            goto fail;
+          }
+          if(!SSL_CTX_add_extra_chain_cert(ctx, x)) {
+            X509_free(x);
+            failf(data, "cannot add certificate to certificate chain");
+            goto fail;
+          }
+        }
+      }
+
+      cert_done = 1;
+  fail:
+      EVP_PKEY_free(pri);
+      X509_free(x509);
+      sk_X509_pop_free(ca, X509_free);
+
+      if(!cert_done)
+        return 0; /* failure! */
+      break;
+    }
+    default:
+      failf(data, "not supported file type '%s' for certificate", cert_type);
+      return 0;
+    }
+
+    file_type = do_file_type(key_type);
+
+    switch(file_type) {
+    case SSL_FILETYPE_PEM:
+      if(cert_done)
+        break;
+      if(!key_file)
+        /* cert & key can only be in PEM case in the same file */
+        key_file = cert_file;
+      /* FALLTHROUGH */
+    case SSL_FILETYPE_ASN1:
+      if(SSL_CTX_use_PrivateKey_file(ctx, key_file, file_type) != 1) {
+        failf(data, "unable to set private key file: '%s' type %s",
+              key_file, key_type?key_type:"PEM");
+        return 0;
+      }
+      break;
+    case SSL_FILETYPE_ENGINE:
+#ifdef USE_OPENSSL_ENGINE
+      {                         /* XXXX still needs some work */
+        EVP_PKEY *priv_key = NULL;
+
+        /* Implicitly use pkcs11 engine if none was provided and the
+         * key_file is a PKCS#11 URI */
+        if(!data->state.engine) {
+          if(is_pkcs11_uri(key_file)) {
+            if(Curl_ossl_set_engine(data, "pkcs11") != CURLE_OK) {
+              return 0;
+            }
+          }
+        }
+
+        if(data->state.engine) {
+          UI_METHOD *ui_method =
+            UI_create_method((char *)"curl user interface");
+          if(!ui_method) {
+            failf(data, "unable do create " OSSL_PACKAGE
+                  " user-interface method");
+            return 0;
+          }
+          UI_method_set_opener(ui_method, UI_method_get_opener(UI_OpenSSL()));
+          UI_method_set_closer(ui_method, UI_method_get_closer(UI_OpenSSL()));
+          UI_method_set_reader(ui_method, ssl_ui_reader);
+          UI_method_set_writer(ui_method, ssl_ui_writer);
+          /* the typecast below was added to please mingw32 */
+          priv_key = (EVP_PKEY *)
+            ENGINE_load_private_key(data->state.engine, key_file,
+                                    ui_method,
+                                    key_passwd);
+          UI_destroy_method(ui_method);
+          if(!priv_key) {
+            failf(data, "failed to load private key from crypto engine");
+            return 0;
+          }
+          if(SSL_CTX_use_PrivateKey(ctx, priv_key) != 1) {
+            failf(data, "unable to set private key");
+            EVP_PKEY_free(priv_key);
+            return 0;
+          }
+          EVP_PKEY_free(priv_key);  /* we don't need the handle any more... */
+        }
+        else {
+          failf(data, "crypto engine not set, can't load private key");
+          return 0;
+        }
+      }
+      break;
+#else
+      failf(data, "file type ENG for private key not supported");
+      return 0;
+#endif
+    case SSL_FILETYPE_PKCS12:
+      if(!cert_done) {
+        failf(data, "file type P12 for private key not supported");
+        return 0;
+      }
+      break;
+    default:
+      failf(data, "not supported file type for private key");
+      return 0;
+    }
+
+    ssl = SSL_new(ctx);
+    if(!ssl) {
+      failf(data, "unable to create an SSL structure");
+      return 0;
+    }
+
+    x509 = SSL_get_certificate(ssl);
+
+    /* This version was provided by Evan Jordan and is supposed to not
+       leak memory as the previous version: */
+    if(x509) {
+      EVP_PKEY *pktmp = X509_get_pubkey(x509);
+      EVP_PKEY_copy_parameters(pktmp, SSL_get_privatekey(ssl));
+      EVP_PKEY_free(pktmp);
+    }
+
+#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_IS_BORINGSSL)
+    {
+      /* If RSA is used, don't check the private key if its flags indicate
+       * it doesn't support it. */
+      EVP_PKEY *priv_key = SSL_get_privatekey(ssl);
+      int pktype;
+#ifdef HAVE_OPAQUE_EVP_PKEY
+      pktype = EVP_PKEY_id(priv_key);
+#else
+      pktype = priv_key->type;
+#endif
+      if(pktype == EVP_PKEY_RSA) {
+        RSA *rsa = EVP_PKEY_get1_RSA(priv_key);
+        if(RSA_flags(rsa) & RSA_METHOD_FLAG_NO_CHECK)
+          check_privkey = FALSE;
+        RSA_free(rsa); /* Decrement reference count */
+      }
+    }
+#endif
+
+    SSL_free(ssl);
+
+    /* If we are using DSA, we can copy the parameters from
+     * the private key */
+
+    if(check_privkey == TRUE) {
+      /* Now we know that a key and cert have been set against
+       * the SSL context */
+      if(!SSL_CTX_check_private_key(ctx)) {
+        failf(data, "Private key does not match the certificate public key");
+        return 0;
+      }
+    }
+  }
+  return 1;
+}
+
+/* returns non-zero on failure */
+static int x509_name_oneline(X509_NAME *a, char *buf, size_t size)
+{
+#if 0
+  return X509_NAME_oneline(a, buf, size);
+#else
+  BIO *bio_out = BIO_new(BIO_s_mem());
+  BUF_MEM *biomem;
+  int rc;
+
+  if(!bio_out)
+    return 1; /* alloc failed! */
+
+  rc = X509_NAME_print_ex(bio_out, a, 0, XN_FLAG_SEP_SPLUS_SPC);
+  BIO_get_mem_ptr(bio_out, &biomem);
+
+  if((size_t)biomem->length < size)
+    size = biomem->length;
+  else
+    size--; /* don't overwrite the buffer end */
+
+  memcpy(buf, biomem->data, size);
+  buf[size] = 0;
+
+  BIO_free(bio_out);
+
+  return !rc;
+#endif
+}
+
+/**
+ * Global SSL init
+ *
+ * @retval 0 error initializing SSL
+ * @retval 1 SSL initialized successfully
+ */
+static int Curl_ossl_init(void)
+{
+#ifdef ENABLE_SSLKEYLOGFILE
+  char *keylog_file_name;
+#endif
+
+  OPENSSL_load_builtin_modules();
+
+#ifdef USE_OPENSSL_ENGINE
+  ENGINE_load_builtin_engines();
+#endif
+
+  /* OPENSSL_config(NULL); is "strongly recommended" to use but unfortunately
+     that function makes an exit() call on wrongly formatted config files
+     which makes it hard to use in some situations. OPENSSL_config() itself
+     calls CONF_modules_load_file() and we use that instead and we ignore
+     its return code! */
+
+  /* CONF_MFLAGS_DEFAULT_SECTION introduced some time between 0.9.8b and
+     0.9.8e */
+#ifndef CONF_MFLAGS_DEFAULT_SECTION
+#define CONF_MFLAGS_DEFAULT_SECTION 0x0
+#endif
+
+#ifndef CURL_DISABLE_OPENSSL_AUTO_LOAD_CONFIG
+  CONF_modules_load_file(NULL, NULL,
+                         CONF_MFLAGS_DEFAULT_SECTION|
+                         CONF_MFLAGS_IGNORE_MISSING_FILE);
+#endif
+
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && \
+    !defined(LIBRESSL_VERSION_NUMBER)
+  /* OpenSSL 1.1.0+ takes care of initialization itself */
+#else
+  /* Lets get nice error messages */
+  SSL_load_error_strings();
+
+  /* Init the global ciphers and digests */
+  if(!SSLeay_add_ssl_algorithms())
+    return 0;
+
+  OpenSSL_add_all_algorithms();
+#endif
+
+#ifdef ENABLE_SSLKEYLOGFILE
+  if(!keylog_file_fp) {
+    keylog_file_name = curl_getenv("SSLKEYLOGFILE");
+    if(keylog_file_name) {
+      keylog_file_fp = fopen(keylog_file_name, FOPEN_APPENDTEXT);
+      if(keylog_file_fp) {
+#ifdef WIN32
+        if(setvbuf(keylog_file_fp, NULL, _IONBF, 0))
+#else
+        if(setvbuf(keylog_file_fp, NULL, _IOLBF, 4096))
+#endif
+        {
+          fclose(keylog_file_fp);
+          keylog_file_fp = NULL;
+        }
+      }
+      Curl_safefree(keylog_file_name);
+    }
+  }
+#endif
+
+  /* Initialize the extra data indexes */
+  if(ossl_get_ssl_conn_index() < 0 || ossl_get_ssl_sockindex_index() < 0)
+    return 0;
+
+  return 1;
+}
+
+/* Global cleanup */
+static void Curl_ossl_cleanup(void)
+{
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && \
+    !defined(LIBRESSL_VERSION_NUMBER)
+  /* OpenSSL 1.1 deprecates all these cleanup functions and
+     turns them into no-ops in OpenSSL 1.0 compatibility mode */
+#else
+  /* Free ciphers and digests lists */
+  EVP_cleanup();
+
+#ifdef USE_OPENSSL_ENGINE
+  /* Free engine list */
+  ENGINE_cleanup();
+#endif
+
+  /* Free OpenSSL error strings */
+  ERR_free_strings();
+
+  /* Free thread local error state, destroying hash upon zero refcount */
+#ifdef HAVE_ERR_REMOVE_THREAD_STATE
+  ERR_remove_thread_state(NULL);
+#else
+  ERR_remove_state(0);
+#endif
+
+  /* Free all memory allocated by all configuration modules */
+  CONF_modules_free();
+
+#ifdef HAVE_SSL_COMP_FREE_COMPRESSION_METHODS
+  SSL_COMP_free_compression_methods();
+#endif
+#endif
+
+#ifdef ENABLE_SSLKEYLOGFILE
+  if(keylog_file_fp) {
+    fclose(keylog_file_fp);
+    keylog_file_fp = NULL;
+  }
+#endif
+}
+
+/*
+ * This function is used to determine connection status.
+ *
+ * Return codes:
+ *     1 means the connection is still in place
+ *     0 means the connection has been closed
+ *    -1 means the connection status is unknown
+ */
+static int Curl_ossl_check_cxn(struct connectdata *conn)
+{
+  /* SSL_peek takes data out of the raw recv buffer without peeking so we use
+     recv MSG_PEEK instead. Bug #795 */
+#ifdef MSG_PEEK
+  char buf;
+  ssize_t nread;
+  nread = recv((RECV_TYPE_ARG1)conn->sock[FIRSTSOCKET], (RECV_TYPE_ARG2)&buf,
+               (RECV_TYPE_ARG3)1, (RECV_TYPE_ARG4)MSG_PEEK);
+  if(nread == 0)
+    return 0; /* connection has been closed */
+  if(nread == 1)
+    return 1; /* connection still in place */
+  else if(nread == -1) {
+      int err = SOCKERRNO;
+      if(err == EINPROGRESS ||
+#if defined(EAGAIN) && (EAGAIN != EWOULDBLOCK)
+         err == EAGAIN ||
+#endif
+         err == EWOULDBLOCK)
+        return 1; /* connection still in place */
+      if(err == ECONNRESET ||
+#ifdef ECONNABORTED
+         err == ECONNABORTED ||
+#endif
+#ifdef ENETDOWN
+         err == ENETDOWN ||
+#endif
+#ifdef ENETRESET
+         err == ENETRESET ||
+#endif
+#ifdef ESHUTDOWN
+         err == ESHUTDOWN ||
+#endif
+#ifdef ETIMEDOUT
+         err == ETIMEDOUT ||
+#endif
+         err == ENOTCONN)
+        return 0; /* connection has been closed */
+  }
+#endif
+  return -1; /* connection status unknown */
+}
+
+/* Selects an OpenSSL crypto engine
+ */
+static CURLcode Curl_ossl_set_engine(struct Curl_easy *data,
+                                     const char *engine)
+{
+#ifdef USE_OPENSSL_ENGINE
+  ENGINE *e;
+
+#if OPENSSL_VERSION_NUMBER >= 0x00909000L
+  e = ENGINE_by_id(engine);
+#else
+  /* avoid memory leak */
+  for(e = ENGINE_get_first(); e; e = ENGINE_get_next(e)) {
+    const char *e_id = ENGINE_get_id(e);
+    if(!strcmp(engine, e_id))
+      break;
+  }
+#endif
+
+  if(!e) {
+    failf(data, "SSL Engine '%s' not found", engine);
+    return CURLE_SSL_ENGINE_NOTFOUND;
+  }
+
+  if(data->state.engine) {
+    ENGINE_finish(data->state.engine);
+    ENGINE_free(data->state.engine);
+    data->state.engine = NULL;
+  }
+  if(!ENGINE_init(e)) {
+    char buf[256];
+
+    ENGINE_free(e);
+    failf(data, "Failed to initialise SSL Engine '%s':\n%s",
+          engine, ossl_strerror(ERR_get_error(), buf, sizeof(buf)));
+    return CURLE_SSL_ENGINE_INITFAILED;
+  }
+  data->state.engine = e;
+  return CURLE_OK;
+#else
+  (void)engine;
+  failf(data, "SSL Engine not supported");
+  return CURLE_SSL_ENGINE_NOTFOUND;
+#endif
+}
+
+/* Sets engine as default for all SSL operations
+ */
+static CURLcode Curl_ossl_set_engine_default(struct Curl_easy *data)
+{
+#ifdef USE_OPENSSL_ENGINE
+  if(data->state.engine) {
+    if(ENGINE_set_default(data->state.engine, ENGINE_METHOD_ALL) > 0) {
+      infof(data, "set default crypto engine '%s'\n",
+            ENGINE_get_id(data->state.engine));
+    }
+    else {
+      failf(data, "set default crypto engine '%s' failed",
+            ENGINE_get_id(data->state.engine));
+      return CURLE_SSL_ENGINE_SETFAILED;
+    }
+  }
+#else
+  (void) data;
+#endif
+  return CURLE_OK;
+}
+
+/* Return list of OpenSSL crypto engine names.
+ */
+static struct curl_slist *Curl_ossl_engines_list(struct Curl_easy *data)
+{
+  struct curl_slist *list = NULL;
+#ifdef USE_OPENSSL_ENGINE
+  struct curl_slist *beg;
+  ENGINE *e;
+
+  for(e = ENGINE_get_first(); e; e = ENGINE_get_next(e)) {
+    beg = curl_slist_append(list, ENGINE_get_id(e));
+    if(!beg) {
+      curl_slist_free_all(list);
+      return NULL;
+    }
+    list = beg;
+  }
+#endif
+  (void) data;
+  return list;
+}
+
+
+static void ossl_close(struct ssl_connect_data *connssl)
+{
+  if(BACKEND->handle) {
+    (void)SSL_shutdown(BACKEND->handle);
+    SSL_set_connect_state(BACKEND->handle);
+
+    SSL_free(BACKEND->handle);
+    BACKEND->handle = NULL;
+  }
+  if(BACKEND->ctx) {
+    SSL_CTX_free(BACKEND->ctx);
+    BACKEND->ctx = NULL;
+  }
+}
+
+/*
+ * This function is called when an SSL connection is closed.
+ */
+static void Curl_ossl_close(struct connectdata *conn, int sockindex)
+{
+  ossl_close(&conn->ssl[sockindex]);
+  ossl_close(&conn->proxy_ssl[sockindex]);
+}
+
+/*
+ * This function is called to shut down the SSL layer but keep the
+ * socket open (CCC - Clear Command Channel)
+ */
+static int Curl_ossl_shutdown(struct connectdata *conn, int sockindex)
+{
+  int retval = 0;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  struct Curl_easy *data = conn->data;
+  char buf[256]; /* We will use this for the OpenSSL error buffer, so it has
+                    to be at least 256 bytes long. */
+  unsigned long sslerror;
+  ssize_t nread;
+  int buffsize;
+  int err;
+  bool done = FALSE;
+
+  /* This has only been tested on the proftpd server, and the mod_tls code
+     sends a close notify alert without waiting for a close notify alert in
+     response. Thus we wait for a close notify alert from the server, but
+     we do not send one. Let's hope other servers do the same... */
+
+  if(data->set.ftp_ccc == CURLFTPSSL_CCC_ACTIVE)
+      (void)SSL_shutdown(BACKEND->handle);
+
+  if(BACKEND->handle) {
+    buffsize = (int)sizeof(buf);
+    while(!done) {
+      int what = SOCKET_READABLE(conn->sock[sockindex],
+                                 SSL_SHUTDOWN_TIMEOUT);
+      if(what > 0) {
+        ERR_clear_error();
+
+        /* Something to read, let's do it and hope that it is the close
+           notify alert from the server */
+        nread = (ssize_t)SSL_read(BACKEND->handle, buf, buffsize);
+        err = SSL_get_error(BACKEND->handle, (int)nread);
+
+        switch(err) {
+        case SSL_ERROR_NONE: /* this is not an error */
+        case SSL_ERROR_ZERO_RETURN: /* no more data */
+          /* This is the expected response. There was no data but only
+             the close notify alert */
+          done = TRUE;
+          break;
+        case SSL_ERROR_WANT_READ:
+          /* there's data pending, re-invoke SSL_read() */
+          infof(data, "SSL_ERROR_WANT_READ\n");
+          break;
+        case SSL_ERROR_WANT_WRITE:
+          /* SSL wants a write. Really odd. Let's bail out. */
+          infof(data, "SSL_ERROR_WANT_WRITE\n");
+          done = TRUE;
+          break;
+        default:
+          /* openssl/ssl.h says "look at error stack/return value/errno" */
+          sslerror = ERR_get_error();
+          failf(conn->data, OSSL_PACKAGE " SSL_read on shutdown: %s, errno %d",
+                (sslerror ?
+                 ossl_strerror(sslerror, buf, sizeof(buf)) :
+                 SSL_ERROR_to_str(err)),
+                SOCKERRNO);
+          done = TRUE;
+          break;
+        }
+      }
+      else if(0 == what) {
+        /* timeout */
+        failf(data, "SSL shutdown timeout");
+        done = TRUE;
+      }
+      else {
+        /* anything that gets here is fatally bad */
+        failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
+        retval = -1;
+        done = TRUE;
+      }
+    } /* while()-loop for the select() */
+
+    if(data->set.verbose) {
+#ifdef HAVE_SSL_GET_SHUTDOWN
+      switch(SSL_get_shutdown(BACKEND->handle)) {
+      case SSL_SENT_SHUTDOWN:
+        infof(data, "SSL_get_shutdown() returned SSL_SENT_SHUTDOWN\n");
+        break;
+      case SSL_RECEIVED_SHUTDOWN:
+        infof(data, "SSL_get_shutdown() returned SSL_RECEIVED_SHUTDOWN\n");
+        break;
+      case SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN:
+        infof(data, "SSL_get_shutdown() returned SSL_SENT_SHUTDOWN|"
+              "SSL_RECEIVED__SHUTDOWN\n");
+        break;
+      }
+#endif
+    }
+
+    SSL_free(BACKEND->handle);
+    BACKEND->handle = NULL;
+  }
+  return retval;
+}
+
+static void Curl_ossl_session_free(void *ptr)
+{
+  /* free the ID */
+  SSL_SESSION_free(ptr);
+}
+
+/*
+ * This function is called when the 'data' struct is going away. Close
+ * down everything and free all resources!
+ */
+static void Curl_ossl_close_all(struct Curl_easy *data)
+{
+#ifdef USE_OPENSSL_ENGINE
+  if(data->state.engine) {
+    ENGINE_finish(data->state.engine);
+    ENGINE_free(data->state.engine);
+    data->state.engine = NULL;
+  }
+#else
+  (void)data;
+#endif
+#if !defined(HAVE_ERR_REMOVE_THREAD_STATE_DEPRECATED) && \
+  defined(HAVE_ERR_REMOVE_THREAD_STATE)
+  /* OpenSSL 1.0.1 and 1.0.2 build an error queue that is stored per-thread
+     so we need to clean it here in case the thread will be killed. All OpenSSL
+     code should extract the error in association with the error so clearing
+     this queue here should be harmless at worst. */
+  ERR_remove_thread_state(NULL);
+#endif
+}
+
+/* ====================================================== */
+
+/*
+ * Match subjectAltName against the host name. This requires a conversion
+ * in CURL_DOES_CONVERSIONS builds.
+ */
+static bool subj_alt_hostcheck(struct Curl_easy *data,
+                               const char *match_pattern, const char *hostname,
+                               const char *dispname)
+#ifdef CURL_DOES_CONVERSIONS
+{
+  bool res = FALSE;
+
+  /* Curl_cert_hostcheck uses host encoding, but we get ASCII from
+     OpenSSl.
+   */
+  char *match_pattern2 = strdup(match_pattern);
+
+  if(match_pattern2) {
+    if(Curl_convert_from_network(data, match_pattern2,
+                                strlen(match_pattern2)) == CURLE_OK) {
+      if(Curl_cert_hostcheck(match_pattern2, hostname)) {
+        res = TRUE;
+        infof(data,
+                " subjectAltName: host \"%s\" matched cert's \"%s\"\n",
+                dispname, match_pattern2);
+      }
+    }
+    free(match_pattern2);
+  }
+  else {
+    failf(data,
+        "SSL: out of memory when allocating temporary for subjectAltName");
+  }
+  return res;
+}
+#else
+{
+#ifdef CURL_DISABLE_VERBOSE_STRINGS
+  (void)dispname;
+  (void)data;
+#endif
+  if(Curl_cert_hostcheck(match_pattern, hostname)) {
+    infof(data, " subjectAltName: host \"%s\" matched cert's \"%s\"\n",
+                  dispname, match_pattern);
+    return TRUE;
+  }
+  return FALSE;
+}
+#endif
+
+
+/* Quote from RFC2818 section 3.1 "Server Identity"
+
+   If a subjectAltName extension of type dNSName is present, that MUST
+   be used as the identity. Otherwise, the (most specific) Common Name
+   field in the Subject field of the certificate MUST be used. Although
+   the use of the Common Name is existing practice, it is deprecated and
+   Certification Authorities are encouraged to use the dNSName instead.
+
+   Matching is performed using the matching rules specified by
+   [RFC2459].  If more than one identity of a given type is present in
+   the certificate (e.g., more than one dNSName name, a match in any one
+   of the set is considered acceptable.) Names may contain the wildcard
+   character * which is considered to match any single domain name
+   component or component fragment. E.g., *.a.com matches foo.a.com but
+   not bar.foo.a.com. f*.com matches foo.com but not bar.com.
+
+   In some cases, the URI is specified as an IP address rather than a
+   hostname. In this case, the iPAddress subjectAltName must be present
+   in the certificate and must exactly match the IP in the URI.
+
+*/
+static CURLcode verifyhost(struct connectdata *conn, X509 *server_cert)
+{
+  bool matched = FALSE;
+  int target = GEN_DNS; /* target type, GEN_DNS or GEN_IPADD */
+  size_t addrlen = 0;
+  struct Curl_easy *data = conn->data;
+  STACK_OF(GENERAL_NAME) *altnames;
+#ifdef ENABLE_IPV6
+  struct in6_addr addr;
+#else
+  struct in_addr addr;
+#endif
+  CURLcode result = CURLE_OK;
+  bool dNSName = FALSE; /* if a dNSName field exists in the cert */
+  bool iPAddress = FALSE; /* if a iPAddress field exists in the cert */
+  const char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
+    conn->host.name;
+  const char * const dispname = SSL_IS_PROXY() ?
+    conn->http_proxy.host.dispname : conn->host.dispname;
+
+#ifdef ENABLE_IPV6
+  if(conn->bits.ipv6_ip &&
+     Curl_inet_pton(AF_INET6, hostname, &addr)) {
+    target = GEN_IPADD;
+    addrlen = sizeof(struct in6_addr);
+  }
+  else
+#endif
+    if(Curl_inet_pton(AF_INET, hostname, &addr)) {
+      target = GEN_IPADD;
+      addrlen = sizeof(struct in_addr);
+    }
+
+  /* get a "list" of alternative names */
+  altnames = X509_get_ext_d2i(server_cert, NID_subject_alt_name, NULL, NULL);
+
+  if(altnames) {
+    int numalts;
+    int i;
+    bool dnsmatched = FALSE;
+    bool ipmatched = FALSE;
+
+    /* get amount of alternatives, RFC2459 claims there MUST be at least
+       one, but we don't depend on it... */
+    numalts = sk_GENERAL_NAME_num(altnames);
+
+    /* loop through all alternatives - until a dnsmatch */
+    for(i = 0; (i < numalts) && !dnsmatched; i++) {
+      /* get a handle to alternative name number i */
+      const GENERAL_NAME *check = sk_GENERAL_NAME_value(altnames, i);
+
+      if(check->type == GEN_DNS)
+        dNSName = TRUE;
+      else if(check->type == GEN_IPADD)
+        iPAddress = TRUE;
+
+      /* only check alternatives of the same type the target is */
+      if(check->type == target) {
+        /* get data and length */
+        const char *altptr = (char *)ASN1_STRING_get0_data(check->d.ia5);
+        size_t altlen = (size_t) ASN1_STRING_length(check->d.ia5);
+
+        switch(target) {
+        case GEN_DNS: /* name/pattern comparison */
+          /* The OpenSSL man page explicitly says: "In general it cannot be
+             assumed that the data returned by ASN1_STRING_data() is null
+             terminated or does not contain embedded nulls." But also that
+             "The actual format of the data will depend on the actual string
+             type itself: for example for and IA5String the data will be ASCII"
+
+             Gisle researched the OpenSSL sources:
+             "I checked the 0.9.6 and 0.9.8 sources before my patch and
+             it always 0-terminates an IA5String."
+          */
+          if((altlen == strlen(altptr)) &&
+             /* if this isn't true, there was an embedded zero in the name
+                string and we cannot match it. */
+             subj_alt_hostcheck(data, altptr, hostname, dispname)) {
+            dnsmatched = TRUE;
+          }
+          break;
+
+        case GEN_IPADD: /* IP address comparison */
+          /* compare alternative IP address if the data chunk is the same size
+             our server IP address is */
+          if((altlen == addrlen) && !memcmp(altptr, &addr, altlen)) {
+            ipmatched = TRUE;
+            infof(data,
+                  " subjectAltName: host \"%s\" matched cert's IP address!\n",
+                  dispname);
+          }
+          break;
+        }
+      }
+    }
+    GENERAL_NAMES_free(altnames);
+
+    if(dnsmatched || ipmatched)
+      matched = TRUE;
+  }
+
+  if(matched)
+    /* an alternative name matched */
+    ;
+  else if(dNSName || iPAddress) {
+    infof(data, " subjectAltName does not match %s\n", dispname);
+    failf(data, "SSL: no alternative certificate subject name matches "
+          "target host name '%s'", dispname);
+    result = CURLE_PEER_FAILED_VERIFICATION;
+  }
+  else {
+    /* we have to look to the last occurrence of a commonName in the
+       distinguished one to get the most significant one. */
+    int j, i = -1;
+
+    /* The following is done because of a bug in 0.9.6b */
+
+    unsigned char *nulstr = (unsigned char *)"";
+    unsigned char *peer_CN = nulstr;
+
+    X509_NAME *name = X509_get_subject_name(server_cert);
+    if(name)
+      while((j = X509_NAME_get_index_by_NID(name, NID_commonName, i)) >= 0)
+        i = j;
+
+    /* we have the name entry and we will now convert this to a string
+       that we can use for comparison. Doing this we support BMPstring,
+       UTF8 etc. */
+
+    if(i >= 0) {
+      ASN1_STRING *tmp =
+        X509_NAME_ENTRY_get_data(X509_NAME_get_entry(name, i));
+
+      /* In OpenSSL 0.9.7d and earlier, ASN1_STRING_to_UTF8 fails if the input
+         is already UTF-8 encoded. We check for this case and copy the raw
+         string manually to avoid the problem. This code can be made
+         conditional in the future when OpenSSL has been fixed. Work-around
+         brought by Alexis S. L. Carvalho. */
+      if(tmp) {
+        if(ASN1_STRING_type(tmp) == V_ASN1_UTF8STRING) {
+          j = ASN1_STRING_length(tmp);
+          if(j >= 0) {
+            peer_CN = OPENSSL_malloc(j + 1);
+            if(peer_CN) {
+              memcpy(peer_CN, ASN1_STRING_get0_data(tmp), j);
+              peer_CN[j] = '\0';
+            }
+          }
+        }
+        else /* not a UTF8 name */
+          j = ASN1_STRING_to_UTF8(&peer_CN, tmp);
+
+        if(peer_CN && (curlx_uztosi(strlen((char *)peer_CN)) != j)) {
+          /* there was a terminating zero before the end of string, this
+             cannot match and we return failure! */
+          failf(data, "SSL: illegal cert name field");
+          result = CURLE_PEER_FAILED_VERIFICATION;
+        }
+      }
+    }
+
+    if(peer_CN == nulstr)
+       peer_CN = NULL;
+    else {
+      /* convert peer_CN from UTF8 */
+      CURLcode rc = Curl_convert_from_utf8(data, (char *)peer_CN,
+                                           strlen((char *)peer_CN));
+      /* Curl_convert_from_utf8 calls failf if unsuccessful */
+      if(rc) {
+        OPENSSL_free(peer_CN);
+        return rc;
+      }
+    }
+
+    if(result)
+      /* error already detected, pass through */
+      ;
+    else if(!peer_CN) {
+      failf(data,
+            "SSL: unable to obtain common name from peer certificate");
+      result = CURLE_PEER_FAILED_VERIFICATION;
+    }
+    else if(!Curl_cert_hostcheck((const char *)peer_CN, hostname)) {
+      failf(data, "SSL: certificate subject name '%s' does not match "
+            "target host name '%s'", peer_CN, dispname);
+      result = CURLE_PEER_FAILED_VERIFICATION;
+    }
+    else {
+      infof(data, " common name: %s (matched)\n", peer_CN);
+    }
+    if(peer_CN)
+      OPENSSL_free(peer_CN);
+  }
+
+  return result;
+}
+
+#if (OPENSSL_VERSION_NUMBER >= 0x0090808fL) && !defined(OPENSSL_NO_TLSEXT) && \
+    !defined(OPENSSL_NO_OCSP)
+static CURLcode verifystatus(struct connectdata *conn,
+                             struct ssl_connect_data *connssl)
+{
+  int i, ocsp_status;
+  unsigned char *status;
+  const unsigned char *p;
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  OCSP_RESPONSE *rsp = NULL;
+  OCSP_BASICRESP *br = NULL;
+  X509_STORE     *st = NULL;
+  STACK_OF(X509) *ch = NULL;
+
+  long len = SSL_get_tlsext_status_ocsp_resp(BACKEND->handle, &status);
+
+  if(!status) {
+    failf(data, "No OCSP response received");
+    result = CURLE_SSL_INVALIDCERTSTATUS;
+    goto end;
+  }
+  p = status;
+  rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
+  if(!rsp) {
+    failf(data, "Invalid OCSP response");
+    result = CURLE_SSL_INVALIDCERTSTATUS;
+    goto end;
+  }
+
+  ocsp_status = OCSP_response_status(rsp);
+  if(ocsp_status != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
+    failf(data, "Invalid OCSP response status: %s (%d)",
+          OCSP_response_status_str(ocsp_status), ocsp_status);
+    result = CURLE_SSL_INVALIDCERTSTATUS;
+    goto end;
+  }
+
+  br = OCSP_response_get1_basic(rsp);
+  if(!br) {
+    failf(data, "Invalid OCSP response");
+    result = CURLE_SSL_INVALIDCERTSTATUS;
+    goto end;
+  }
+
+  ch = SSL_get_peer_cert_chain(BACKEND->handle);
+  st = SSL_CTX_get_cert_store(BACKEND->ctx);
+
+#if ((OPENSSL_VERSION_NUMBER <= 0x1000201fL) /* Fixed after 1.0.2a */ || \
+     (defined(LIBRESSL_VERSION_NUMBER) &&                               \
+      LIBRESSL_VERSION_NUMBER <= 0x2040200fL))
+  /* The authorized responder cert in the OCSP response MUST be signed by the
+     peer cert's issuer (see RFC6960 section 4.2.2.2). If that's a root cert,
+     no problem, but if it's an intermediate cert OpenSSL has a bug where it
+     expects this issuer to be present in the chain embedded in the OCSP
+     response. So we add it if necessary. */
+
+  /* First make sure the peer cert chain includes both a peer and an issuer,
+     and the OCSP response contains a responder cert. */
+  if(sk_X509_num(ch) >= 2 && sk_X509_num(br->certs) >= 1) {
+    X509 *responder = sk_X509_value(br->certs, sk_X509_num(br->certs) - 1);
+
+    /* Find issuer of responder cert and add it to the OCSP response chain */
+    for(i = 0; i < sk_X509_num(ch); i++) {
+      X509 *issuer = sk_X509_value(ch, i);
+      if(X509_check_issued(issuer, responder) == X509_V_OK) {
+        if(!OCSP_basic_add1_cert(br, issuer)) {
+          failf(data, "Could not add issuer cert to OCSP response");
+          result = CURLE_SSL_INVALIDCERTSTATUS;
+          goto end;
+        }
+      }
+    }
+  }
+#endif
+
+  if(OCSP_basic_verify(br, ch, st, 0) <= 0) {
+    failf(data, "OCSP response verification failed");
+    result = CURLE_SSL_INVALIDCERTSTATUS;
+    goto end;
+  }
+
+  for(i = 0; i < OCSP_resp_count(br); i++) {
+    int cert_status, crl_reason;
+    OCSP_SINGLERESP *single = NULL;
+
+    ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
+
+    single = OCSP_resp_get0(br, i);
+    if(!single)
+      continue;
+
+    cert_status = OCSP_single_get0_status(single, &crl_reason, &rev,
+                                          &thisupd, &nextupd);
+
+    if(!OCSP_check_validity(thisupd, nextupd, 300L, -1L)) {
+      failf(data, "OCSP response has expired");
+      result = CURLE_SSL_INVALIDCERTSTATUS;
+      goto end;
+    }
+
+    infof(data, "SSL certificate status: %s (%d)\n",
+          OCSP_cert_status_str(cert_status), cert_status);
+
+    switch(cert_status) {
+      case V_OCSP_CERTSTATUS_GOOD:
+        break;
+
+      case V_OCSP_CERTSTATUS_REVOKED:
+        result = CURLE_SSL_INVALIDCERTSTATUS;
+
+        failf(data, "SSL certificate revocation reason: %s (%d)",
+              OCSP_crl_reason_str(crl_reason), crl_reason);
+        goto end;
+
+      case V_OCSP_CERTSTATUS_UNKNOWN:
+        result = CURLE_SSL_INVALIDCERTSTATUS;
+        goto end;
+    }
+  }
+
+end:
+  if(br) OCSP_BASICRESP_free(br);
+  OCSP_RESPONSE_free(rsp);
+
+  return result;
+}
+#endif
+
+#endif /* USE_OPENSSL */
+
+/* The SSL_CTRL_SET_MSG_CALLBACK doesn't exist in ancient OpenSSL versions
+   and thus this cannot be done there. */
+#ifdef SSL_CTRL_SET_MSG_CALLBACK
+
+static const char *ssl_msg_type(int ssl_ver, int msg)
+{
+#ifdef SSL2_VERSION_MAJOR
+  if(ssl_ver == SSL2_VERSION_MAJOR) {
+    switch(msg) {
+      case SSL2_MT_ERROR:
+        return "Error";
+      case SSL2_MT_CLIENT_HELLO:
+        return "Client hello";
+      case SSL2_MT_CLIENT_MASTER_KEY:
+        return "Client key";
+      case SSL2_MT_CLIENT_FINISHED:
+        return "Client finished";
+      case SSL2_MT_SERVER_HELLO:
+        return "Server hello";
+      case SSL2_MT_SERVER_VERIFY:
+        return "Server verify";
+      case SSL2_MT_SERVER_FINISHED:
+        return "Server finished";
+      case SSL2_MT_REQUEST_CERTIFICATE:
+        return "Request CERT";
+      case SSL2_MT_CLIENT_CERTIFICATE:
+        return "Client CERT";
+    }
+  }
+  else
+#endif
+  if(ssl_ver == SSL3_VERSION_MAJOR) {
+    switch(msg) {
+      case SSL3_MT_HELLO_REQUEST:
+        return "Hello request";
+      case SSL3_MT_CLIENT_HELLO:
+        return "Client hello";
+      case SSL3_MT_SERVER_HELLO:
+        return "Server hello";
+#ifdef SSL3_MT_NEWSESSION_TICKET
+      case SSL3_MT_NEWSESSION_TICKET:
+        return "Newsession Ticket";
+#endif
+      case SSL3_MT_CERTIFICATE:
+        return "Certificate";
+      case SSL3_MT_SERVER_KEY_EXCHANGE:
+        return "Server key exchange";
+      case SSL3_MT_CLIENT_KEY_EXCHANGE:
+        return "Client key exchange";
+      case SSL3_MT_CERTIFICATE_REQUEST:
+        return "Request CERT";
+      case SSL3_MT_SERVER_DONE:
+        return "Server finished";
+      case SSL3_MT_CERTIFICATE_VERIFY:
+        return "CERT verify";
+      case SSL3_MT_FINISHED:
+        return "Finished";
+#ifdef SSL3_MT_CERTIFICATE_STATUS
+      case SSL3_MT_CERTIFICATE_STATUS:
+        return "Certificate Status";
+#endif
+#ifdef SSL3_MT_ENCRYPTED_EXTENSIONS
+      case SSL3_MT_ENCRYPTED_EXTENSIONS:
+        return "Encrypted Extensions";
+#endif
+#ifdef SSL3_MT_END_OF_EARLY_DATA
+      case SSL3_MT_END_OF_EARLY_DATA:
+        return "End of early data";
+#endif
+#ifdef SSL3_MT_KEY_UPDATE
+      case SSL3_MT_KEY_UPDATE:
+        return "Key update";
+#endif
+#ifdef SSL3_MT_NEXT_PROTO
+      case SSL3_MT_NEXT_PROTO:
+        return "Next protocol";
+#endif
+#ifdef SSL3_MT_MESSAGE_HASH
+      case SSL3_MT_MESSAGE_HASH:
+        return "Message hash";
+#endif
+    }
+  }
+  return "Unknown";
+}
+
+static const char *tls_rt_type(int type)
+{
+  switch(type) {
+#ifdef SSL3_RT_HEADER
+  case SSL3_RT_HEADER:
+    return "TLS header";
+#endif
+  case SSL3_RT_CHANGE_CIPHER_SPEC:
+    return "TLS change cipher";
+  case SSL3_RT_ALERT:
+    return "TLS alert";
+  case SSL3_RT_HANDSHAKE:
+    return "TLS handshake";
+  case SSL3_RT_APPLICATION_DATA:
+    return "TLS app data";
+  default:
+    return "TLS Unknown";
+  }
+}
+
+
+/*
+ * Our callback from the SSL/TLS layers.
+ */
+static void ssl_tls_trace(int direction, int ssl_ver, int content_type,
+                          const void *buf, size_t len, SSL *ssl,
+                          void *userp)
+{
+  struct Curl_easy *data;
+  char unknown[32];
+  const char *verstr = NULL;
+  struct connectdata *conn = userp;
+
+  if(!conn || !conn->data || !conn->data->set.fdebug ||
+     (direction != 0 && direction != 1))
+    return;
+
+  data = conn->data;
+
+  switch(ssl_ver) {
+#ifdef SSL2_VERSION /* removed in recent versions */
+  case SSL2_VERSION:
+    verstr = "SSLv2";
+    break;
+#endif
+#ifdef SSL3_VERSION
+  case SSL3_VERSION:
+    verstr = "SSLv3";
+    break;
+#endif
+  case TLS1_VERSION:
+    verstr = "TLSv1.0";
+    break;
+#ifdef TLS1_1_VERSION
+  case TLS1_1_VERSION:
+    verstr = "TLSv1.1";
+    break;
+#endif
+#ifdef TLS1_2_VERSION
+  case TLS1_2_VERSION:
+    verstr = "TLSv1.2";
+    break;
+#endif
+#ifdef TLS1_3_VERSION
+  case TLS1_3_VERSION:
+    verstr = "TLSv1.3";
+    break;
+#endif
+  case 0:
+    break;
+  default:
+    msnprintf(unknown, sizeof(unknown), "(%x)", ssl_ver);
+    verstr = unknown;
+    break;
+  }
+
+  /* Log progress for interesting records only (like Handshake or Alert), skip
+   * all raw record headers (content_type == SSL3_RT_HEADER or ssl_ver == 0).
+   * For TLS 1.3, skip notification of the decrypted inner Content Type.
+   */
+  if(ssl_ver
+#ifdef SSL3_RT_INNER_CONTENT_TYPE
+     && content_type != SSL3_RT_INNER_CONTENT_TYPE
+#endif
+    ) {
+    const char *msg_name, *tls_rt_name;
+    char ssl_buf[1024];
+    int msg_type, txt_len;
+
+    /* the info given when the version is zero is not that useful for us */
+
+    ssl_ver >>= 8; /* check the upper 8 bits only below */
+
+    /* SSLv2 doesn't seem to have TLS record-type headers, so OpenSSL
+     * always pass-up content-type as 0. But the interesting message-type
+     * is at 'buf[0]'.
+     */
+    if(ssl_ver == SSL3_VERSION_MAJOR && content_type)
+      tls_rt_name = tls_rt_type(content_type);
+    else
+      tls_rt_name = "";
+
+    if(content_type == SSL3_RT_CHANGE_CIPHER_SPEC) {
+      msg_type = *(char *)buf;
+      msg_name = "Change cipher spec";
+    }
+    else if(content_type == SSL3_RT_ALERT) {
+      msg_type = (((char *)buf)[0] << 8) + ((char *)buf)[1];
+      msg_name = SSL_alert_desc_string_long(msg_type);
+    }
+    else {
+      msg_type = *(char *)buf;
+      msg_name = ssl_msg_type(ssl_ver, msg_type);
+    }
+
+    txt_len = msnprintf(ssl_buf, sizeof(ssl_buf), "%s (%s), %s, %s (%d):\n",
+                        verstr, direction?"OUT":"IN",
+                        tls_rt_name, msg_name, msg_type);
+    if(0 <= txt_len && (unsigned)txt_len < sizeof(ssl_buf)) {
+      Curl_debug(data, CURLINFO_TEXT, ssl_buf, (size_t)txt_len);
+    }
+  }
+
+  Curl_debug(data, (direction == 1) ? CURLINFO_SSL_DATA_OUT :
+             CURLINFO_SSL_DATA_IN, (char *)buf, len);
+  (void) ssl;
+}
+#endif
+
+#ifdef USE_OPENSSL
+/* ====================================================== */
+
+#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
+#  define use_sni(x)  sni = (x)
+#else
+#  define use_sni(x)  Curl_nop_stmt
+#endif
+
+/* Check for OpenSSL 1.0.2 which has ALPN support. */
+#undef HAS_ALPN
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L \
+    && !defined(OPENSSL_NO_TLSEXT)
+#  define HAS_ALPN 1
+#endif
+
+/* Check for OpenSSL 1.0.1 which has NPN support. */
+#undef HAS_NPN
+#if OPENSSL_VERSION_NUMBER >= 0x10001000L \
+    && !defined(OPENSSL_NO_TLSEXT) \
+    && !defined(OPENSSL_NO_NEXTPROTONEG)
+#  define HAS_NPN 1
+#endif
+
+#ifdef HAS_NPN
+
+/*
+ * in is a list of length prefixed strings. this function has to select
+ * the protocol we want to use from the list and write its string into out.
+ */
+
+static int
+select_next_protocol(unsigned char **out, unsigned char *outlen,
+                     const unsigned char *in, unsigned int inlen,
+                     const char *key, unsigned int keylen)
+{
+  unsigned int i;
+  for(i = 0; i + keylen <= inlen; i += in[i] + 1) {
+    if(memcmp(&in[i + 1], key, keylen) == 0) {
+      *out = (unsigned char *) &in[i + 1];
+      *outlen = in[i];
+      return 0;
+    }
+  }
+  return -1;
+}
+
+static int
+select_next_proto_cb(SSL *ssl,
+                     unsigned char **out, unsigned char *outlen,
+                     const unsigned char *in, unsigned int inlen,
+                     void *arg)
+{
+  struct connectdata *conn = (struct connectdata*) arg;
+
+  (void)ssl;
+
+#ifdef USE_NGHTTP2
+  if(conn->data->set.httpversion >= CURL_HTTP_VERSION_2 &&
+     !select_next_protocol(out, outlen, in, inlen, NGHTTP2_PROTO_VERSION_ID,
+                           NGHTTP2_PROTO_VERSION_ID_LEN)) {
+    infof(conn->data, "NPN, negotiated HTTP2 (%s)\n",
+          NGHTTP2_PROTO_VERSION_ID);
+    conn->negnpn = CURL_HTTP_VERSION_2;
+    return SSL_TLSEXT_ERR_OK;
+  }
+#endif
+
+  if(!select_next_protocol(out, outlen, in, inlen, ALPN_HTTP_1_1,
+                           ALPN_HTTP_1_1_LENGTH)) {
+    infof(conn->data, "NPN, negotiated HTTP1.1\n");
+    conn->negnpn = CURL_HTTP_VERSION_1_1;
+    return SSL_TLSEXT_ERR_OK;
+  }
+
+  infof(conn->data, "NPN, no overlap, use HTTP1.1\n");
+  *out = (unsigned char *)ALPN_HTTP_1_1;
+  *outlen = ALPN_HTTP_1_1_LENGTH;
+  conn->negnpn = CURL_HTTP_VERSION_1_1;
+
+  return SSL_TLSEXT_ERR_OK;
+}
+#endif /* HAS_NPN */
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+static const char *
+get_ssl_version_txt(SSL *ssl)
+{
+  if(!ssl)
+    return "";
+
+  switch(SSL_version(ssl)) {
+#ifdef TLS1_3_VERSION
+  case TLS1_3_VERSION:
+    return "TLSv1.3";
+#endif
+#if OPENSSL_VERSION_NUMBER >= 0x1000100FL
+  case TLS1_2_VERSION:
+    return "TLSv1.2";
+  case TLS1_1_VERSION:
+    return "TLSv1.1";
+#endif
+  case TLS1_VERSION:
+    return "TLSv1.0";
+  case SSL3_VERSION:
+    return "SSLv3";
+  case SSL2_VERSION:
+    return "SSLv2";
+  }
+  return "unknown";
+}
+#endif
+
+static CURLcode
+set_ssl_version_min_max(long *ctx_options, struct connectdata *conn,
+                        int sockindex)
+{
+#if (OPENSSL_VERSION_NUMBER < 0x1000100FL) || !defined(TLS1_3_VERSION)
+  /* convoluted #if condition just to avoid compiler warnings on unused
+     variable */
+  struct Curl_easy *data = conn->data;
+#endif
+  long ssl_version = SSL_CONN_CONFIG(version);
+  long ssl_version_max = SSL_CONN_CONFIG(version_max);
+
+  switch(ssl_version) {
+    case CURL_SSLVERSION_TLSv1_3:
+#ifdef TLS1_3_VERSION
+    {
+      struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+      SSL_CTX_set_max_proto_version(BACKEND->ctx, TLS1_3_VERSION);
+      *ctx_options |= SSL_OP_NO_TLSv1_2;
+    }
+#else
+      (void)sockindex;
+      (void)ctx_options;
+      failf(data, OSSL_PACKAGE " was built without TLS 1.3 support");
+      return CURLE_NOT_BUILT_IN;
+#endif
+      /* FALLTHROUGH */
+    case CURL_SSLVERSION_TLSv1_2:
+#if OPENSSL_VERSION_NUMBER >= 0x1000100FL
+      *ctx_options |= SSL_OP_NO_TLSv1_1;
+#else
+      failf(data, OSSL_PACKAGE " was built without TLS 1.2 support");
+      return CURLE_NOT_BUILT_IN;
+#endif
+      /* FALLTHROUGH */
+    case CURL_SSLVERSION_TLSv1_1:
+#if OPENSSL_VERSION_NUMBER >= 0x1000100FL
+      *ctx_options |= SSL_OP_NO_TLSv1;
+#else
+      failf(data, OSSL_PACKAGE " was built without TLS 1.1 support");
+      return CURLE_NOT_BUILT_IN;
+#endif
+      /* FALLTHROUGH */
+    case CURL_SSLVERSION_TLSv1_0:
+    case CURL_SSLVERSION_TLSv1:
+      break;
+  }
+
+  switch(ssl_version_max) {
+    case CURL_SSLVERSION_MAX_TLSv1_0:
+#if OPENSSL_VERSION_NUMBER >= 0x1000100FL
+      *ctx_options |= SSL_OP_NO_TLSv1_1;
+#endif
+      /* FALLTHROUGH */
+    case CURL_SSLVERSION_MAX_TLSv1_1:
+#if OPENSSL_VERSION_NUMBER >= 0x1000100FL
+      *ctx_options |= SSL_OP_NO_TLSv1_2;
+#endif
+      /* FALLTHROUGH */
+    case CURL_SSLVERSION_MAX_TLSv1_2:
+#ifdef TLS1_3_VERSION
+      *ctx_options |= SSL_OP_NO_TLSv1_3;
+#endif
+      break;
+    case CURL_SSLVERSION_MAX_TLSv1_3:
+#ifdef TLS1_3_VERSION
+      break;
+#else
+      failf(data, OSSL_PACKAGE " was built without TLS 1.3 support");
+      return CURLE_NOT_BUILT_IN;
+#endif
+  }
+  return CURLE_OK;
+}
+
+/* The "new session" callback must return zero if the session can be removed
+ * or non-zero if the session has been put into the session cache.
+ */
+static int ossl_new_session_cb(SSL *ssl, SSL_SESSION *ssl_sessionid)
+{
+  int res = 0;
+  struct connectdata *conn;
+  struct Curl_easy *data;
+  int sockindex;
+  curl_socket_t *sockindex_ptr;
+  int connectdata_idx = ossl_get_ssl_conn_index();
+  int sockindex_idx = ossl_get_ssl_sockindex_index();
+
+  if(connectdata_idx < 0 || sockindex_idx < 0)
+    return 0;
+
+  conn = (struct connectdata*) SSL_get_ex_data(ssl, connectdata_idx);
+  if(!conn)
+    return 0;
+
+  data = conn->data;
+
+  /* The sockindex has been stored as a pointer to an array element */
+  sockindex_ptr = (curl_socket_t*) SSL_get_ex_data(ssl, sockindex_idx);
+  sockindex = (int)(sockindex_ptr - conn->sock);
+
+  if(SSL_SET_OPTION(primary.sessionid)) {
+    bool incache;
+    void *old_ssl_sessionid = NULL;
+
+    Curl_ssl_sessionid_lock(conn);
+    incache = !(Curl_ssl_getsessionid(conn, &old_ssl_sessionid, NULL,
+                                      sockindex));
+    if(incache) {
+      if(old_ssl_sessionid != ssl_sessionid) {
+        infof(data, "old SSL session ID is stale, removing\n");
+        Curl_ssl_delsessionid(conn, old_ssl_sessionid);
+        incache = FALSE;
+      }
+    }
+
+    if(!incache) {
+      if(!Curl_ssl_addsessionid(conn, ssl_sessionid,
+                                      0 /* unknown size */, sockindex)) {
+        /* the session has been put into the session cache */
+        res = 1;
+      }
+      else
+        failf(data, "failed to store ssl session");
+    }
+    Curl_ssl_sessionid_unlock(conn);
+  }
+
+  return res;
+}
+
+static CURLcode ossl_connect_step1(struct connectdata *conn, int sockindex)
+{
+  CURLcode result = CURLE_OK;
+  char *ciphers;
+  struct Curl_easy *data = conn->data;
+  SSL_METHOD_QUAL SSL_METHOD *req_method = NULL;
+  X509_LOOKUP *lookup = NULL;
+  curl_socket_t sockfd = conn->sock[sockindex];
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  long ctx_options = 0;
+#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
+  bool sni;
+  const char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
+    conn->host.name;
+#ifdef ENABLE_IPV6
+  struct in6_addr addr;
+#else
+  struct in_addr addr;
+#endif
+#endif
+  long * const certverifyresult = SSL_IS_PROXY() ?
+    &data->set.proxy_ssl.certverifyresult : &data->set.ssl.certverifyresult;
+  const long int ssl_version = SSL_CONN_CONFIG(version);
+#ifdef USE_TLS_SRP
+  const enum CURL_TLSAUTH ssl_authtype = SSL_SET_OPTION(authtype);
+#endif
+  char * const ssl_cert = SSL_SET_OPTION(cert);
+  const char * const ssl_cert_type = SSL_SET_OPTION(cert_type);
+  const char * const ssl_cafile = SSL_CONN_CONFIG(CAfile);
+  const char * const ssl_capath = SSL_CONN_CONFIG(CApath);
+  const bool verifypeer = SSL_CONN_CONFIG(verifypeer);
+  const char * const ssl_crlfile = SSL_SET_OPTION(CRLfile);
+  char error_buffer[256];
+
+  DEBUGASSERT(ssl_connect_1 == connssl->connecting_state);
+
+  /* Make funny stuff to get random input */
+  result = Curl_ossl_seed(data);
+  if(result)
+    return result;
+
+  *certverifyresult = !X509_V_OK;
+
+  /* check to see if we've been told to use an explicit SSL/TLS version */
+
+  switch(ssl_version) {
+  case CURL_SSLVERSION_DEFAULT:
+  case CURL_SSLVERSION_TLSv1:
+  case CURL_SSLVERSION_TLSv1_0:
+  case CURL_SSLVERSION_TLSv1_1:
+  case CURL_SSLVERSION_TLSv1_2:
+  case CURL_SSLVERSION_TLSv1_3:
+    /* it will be handled later with the context options */
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+    req_method = TLS_client_method();
+#else
+    req_method = SSLv23_client_method();
+#endif
+    use_sni(TRUE);
+    break;
+  case CURL_SSLVERSION_SSLv2:
+#ifdef OPENSSL_NO_SSL2
+    failf(data, OSSL_PACKAGE " was built without SSLv2 support");
+    return CURLE_NOT_BUILT_IN;
+#else
+#ifdef USE_TLS_SRP
+    if(ssl_authtype == CURL_TLSAUTH_SRP)
+      return CURLE_SSL_CONNECT_ERROR;
+#endif
+    req_method = SSLv2_client_method();
+    use_sni(FALSE);
+    break;
+#endif
+  case CURL_SSLVERSION_SSLv3:
+#ifdef OPENSSL_NO_SSL3_METHOD
+    failf(data, OSSL_PACKAGE " was built without SSLv3 support");
+    return CURLE_NOT_BUILT_IN;
+#else
+#ifdef USE_TLS_SRP
+    if(ssl_authtype == CURL_TLSAUTH_SRP)
+      return CURLE_SSL_CONNECT_ERROR;
+#endif
+    req_method = SSLv3_client_method();
+    use_sni(FALSE);
+    break;
+#endif
+  default:
+    failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  if(BACKEND->ctx)
+    SSL_CTX_free(BACKEND->ctx);
+  BACKEND->ctx = SSL_CTX_new(req_method);
+
+  if(!BACKEND->ctx) {
+    failf(data, "SSL: couldn't create a context: %s",
+          ossl_strerror(ERR_peek_error(), error_buffer, sizeof(error_buffer)));
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+#ifdef SSL_MODE_RELEASE_BUFFERS
+  SSL_CTX_set_mode(BACKEND->ctx, SSL_MODE_RELEASE_BUFFERS);
+#endif
+
+#ifdef SSL_CTRL_SET_MSG_CALLBACK
+  if(data->set.fdebug && data->set.verbose) {
+    /* the SSL trace callback is only used for verbose logging */
+    SSL_CTX_set_msg_callback(BACKEND->ctx, ssl_tls_trace);
+    SSL_CTX_set_msg_callback_arg(BACKEND->ctx, conn);
+  }
+#endif
+
+  /* OpenSSL contains code to work-around lots of bugs and flaws in various
+     SSL-implementations. SSL_CTX_set_options() is used to enabled those
+     work-arounds. The man page for this option states that SSL_OP_ALL enables
+     all the work-arounds and that "It is usually safe to use SSL_OP_ALL to
+     enable the bug workaround options if compatibility with somewhat broken
+     implementations is desired."
+
+     The "-no_ticket" option was introduced in Openssl0.9.8j. It's a flag to
+     disable "rfc4507bis session ticket support".  rfc4507bis was later turned
+     into the proper RFC5077 it seems: https://tools.ietf.org/html/rfc5077
+
+     The enabled extension concerns the session management. I wonder how often
+     libcurl stops a connection and then resumes a TLS session. also, sending
+     the session data is some overhead. .I suggest that you just use your
+     proposed patch (which explicitly disables TICKET).
+
+     If someone writes an application with libcurl and openssl who wants to
+     enable the feature, one can do this in the SSL callback.
+
+     SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG option enabling allowed proper
+     interoperability with web server Netscape Enterprise Server 2.0.1 which
+     was released back in 1996.
+
+     Due to CVE-2010-4180, option SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG has
+     become ineffective as of OpenSSL 0.9.8q and 1.0.0c. In order to mitigate
+     CVE-2010-4180 when using previous OpenSSL versions we no longer enable
+     this option regardless of OpenSSL version and SSL_OP_ALL definition.
+
+     OpenSSL added a work-around for a SSL 3.0/TLS 1.0 CBC vulnerability
+     (https://www.openssl.org/~bodo/tls-cbc.txt). In 0.9.6e they added a bit to
+     SSL_OP_ALL that _disables_ that work-around despite the fact that
+     SSL_OP_ALL is documented to do "rather harmless" workarounds. In order to
+     keep the secure work-around, the SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS bit
+     must not be set.
+  */
+
+  ctx_options = SSL_OP_ALL;
+
+#ifdef SSL_OP_NO_TICKET
+  ctx_options |= SSL_OP_NO_TICKET;
+#endif
+
+#ifdef SSL_OP_NO_COMPRESSION
+  ctx_options |= SSL_OP_NO_COMPRESSION;
+#endif
+
+#ifdef SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG
+  /* mitigate CVE-2010-4180 */
+  ctx_options &= ~SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG;
+#endif
+
+#ifdef SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS
+  /* unless the user explicitly ask to allow the protocol vulnerability we
+     use the work-around */
+  if(!SSL_SET_OPTION(enable_beast))
+    ctx_options &= ~SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS;
+#endif
+
+  switch(ssl_version) {
+  case CURL_SSLVERSION_SSLv3:
+    ctx_options |= SSL_OP_NO_SSLv2;
+    ctx_options |= SSL_OP_NO_TLSv1;
+#if OPENSSL_VERSION_NUMBER >= 0x1000100FL
+    ctx_options |= SSL_OP_NO_TLSv1_1;
+    ctx_options |= SSL_OP_NO_TLSv1_2;
+#ifdef TLS1_3_VERSION
+    ctx_options |= SSL_OP_NO_TLSv1_3;
+#endif
+#endif
+    break;
+
+  case CURL_SSLVERSION_DEFAULT:
+  case CURL_SSLVERSION_TLSv1:
+  case CURL_SSLVERSION_TLSv1_0:
+  case CURL_SSLVERSION_TLSv1_1:
+  case CURL_SSLVERSION_TLSv1_2:
+  case CURL_SSLVERSION_TLSv1_3:
+    /* asking for any TLS version as the minimum, means no SSL versions
+       allowed */
+    ctx_options |= SSL_OP_NO_SSLv2;
+    ctx_options |= SSL_OP_NO_SSLv3;
+    result = set_ssl_version_min_max(&ctx_options, conn, sockindex);
+    if(result != CURLE_OK)
+       return result;
+    break;
+
+  case CURL_SSLVERSION_SSLv2:
+    ctx_options |= SSL_OP_NO_SSLv3;
+    ctx_options |= SSL_OP_NO_TLSv1;
+#if OPENSSL_VERSION_NUMBER >= 0x1000100FL
+    ctx_options |= SSL_OP_NO_TLSv1_1;
+    ctx_options |= SSL_OP_NO_TLSv1_2;
+#ifdef TLS1_3_VERSION
+    ctx_options |= SSL_OP_NO_TLSv1_3;
+#endif
+#endif
+    break;
+
+  default:
+    failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  SSL_CTX_set_options(BACKEND->ctx, ctx_options);
+
+#ifdef HAS_NPN
+  if(conn->bits.tls_enable_npn)
+    SSL_CTX_set_next_proto_select_cb(BACKEND->ctx, select_next_proto_cb, conn);
+#endif
+
+#ifdef HAS_ALPN
+  if(conn->bits.tls_enable_alpn) {
+    int cur = 0;
+    unsigned char protocols[128];
+
+#ifdef USE_NGHTTP2
+    if(data->set.httpversion >= CURL_HTTP_VERSION_2 &&
+       (!SSL_IS_PROXY() || !conn->bits.tunnel_proxy)) {
+      protocols[cur++] = NGHTTP2_PROTO_VERSION_ID_LEN;
+
+      memcpy(&protocols[cur], NGHTTP2_PROTO_VERSION_ID,
+          NGHTTP2_PROTO_VERSION_ID_LEN);
+      cur += NGHTTP2_PROTO_VERSION_ID_LEN;
+      infof(data, "ALPN, offering %s\n", NGHTTP2_PROTO_VERSION_ID);
+    }
+#endif
+
+    protocols[cur++] = ALPN_HTTP_1_1_LENGTH;
+    memcpy(&protocols[cur], ALPN_HTTP_1_1, ALPN_HTTP_1_1_LENGTH);
+    cur += ALPN_HTTP_1_1_LENGTH;
+    infof(data, "ALPN, offering %s\n", ALPN_HTTP_1_1);
+
+    /* expects length prefixed preference ordered list of protocols in wire
+     * format
+     */
+    SSL_CTX_set_alpn_protos(BACKEND->ctx, protocols, cur);
+  }
+#endif
+
+  if(ssl_cert || ssl_cert_type) {
+    if(!cert_stuff(conn, BACKEND->ctx, ssl_cert, ssl_cert_type,
+                   SSL_SET_OPTION(key), SSL_SET_OPTION(key_type),
+                   SSL_SET_OPTION(key_passwd))) {
+      /* failf() is already done in cert_stuff() */
+      return CURLE_SSL_CERTPROBLEM;
+    }
+  }
+
+  ciphers = SSL_CONN_CONFIG(cipher_list);
+  if(!ciphers)
+    ciphers = (char *)DEFAULT_CIPHER_SELECTION;
+  if(ciphers) {
+    if(!SSL_CTX_set_cipher_list(BACKEND->ctx, ciphers)) {
+      failf(data, "failed setting cipher list: %s", ciphers);
+      return CURLE_SSL_CIPHER;
+    }
+    infof(data, "Cipher selection: %s\n", ciphers);
+  }
+
+#ifdef HAVE_SSL_CTX_SET_CIPHERSUITES
+  {
+    char *ciphers13 = SSL_CONN_CONFIG(cipher_list13);
+    if(ciphers13) {
+      if(!SSL_CTX_set_ciphersuites(BACKEND->ctx, ciphers13)) {
+        failf(data, "failed setting TLS 1.3 cipher suite: %s", ciphers13);
+        return CURLE_SSL_CIPHER;
+      }
+      infof(data, "TLS 1.3 cipher selection: %s\n", ciphers13);
+    }
+  }
+#endif
+
+#ifdef HAVE_SSL_CTX_SET_POST_HANDSHAKE_AUTH
+  /* OpenSSL 1.1.1 requires clients to opt-in for PHA */
+  SSL_CTX_set_post_handshake_auth(BACKEND->ctx, 1);
+#endif
+
+#ifdef USE_TLS_SRP
+  if(ssl_authtype == CURL_TLSAUTH_SRP) {
+    char * const ssl_username = SSL_SET_OPTION(username);
+
+    infof(data, "Using TLS-SRP username: %s\n", ssl_username);
+
+    if(!SSL_CTX_set_srp_username(BACKEND->ctx, ssl_username)) {
+      failf(data, "Unable to set SRP user name");
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    }
+    if(!SSL_CTX_set_srp_password(BACKEND->ctx, SSL_SET_OPTION(password))) {
+      failf(data, "failed setting SRP password");
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    }
+    if(!SSL_CONN_CONFIG(cipher_list)) {
+      infof(data, "Setting cipher list SRP\n");
+
+      if(!SSL_CTX_set_cipher_list(BACKEND->ctx, "SRP")) {
+        failf(data, "failed setting SRP cipher list");
+        return CURLE_SSL_CIPHER;
+      }
+    }
+  }
+#endif
+
+  if(ssl_cafile || ssl_capath) {
+    /* tell SSL where to find CA certificates that are used to verify
+       the servers certificate. */
+    if(!SSL_CTX_load_verify_locations(BACKEND->ctx, ssl_cafile, ssl_capath)) {
+      if(verifypeer) {
+        /* Fail if we insist on successfully verifying the server. */
+        failf(data, "error setting certificate verify locations:\n"
+              "  CAfile: %s\n  CApath: %s",
+              ssl_cafile ? ssl_cafile : "none",
+              ssl_capath ? ssl_capath : "none");
+        return CURLE_SSL_CACERT_BADFILE;
+      }
+      /* Just continue with a warning if no strict  certificate verification
+         is required. */
+      infof(data, "error setting certificate verify locations,"
+            " continuing anyway:\n");
+    }
+    else {
+      /* Everything is fine. */
+      infof(data, "successfully set certificate verify locations:\n");
+    }
+    infof(data,
+          "  CAfile: %s\n"
+          "  CApath: %s\n",
+          ssl_cafile ? ssl_cafile : "none",
+          ssl_capath ? ssl_capath : "none");
+  }
+#ifdef CURL_CA_FALLBACK
+  else if(verifypeer) {
+    /* verifying the peer without any CA certificates won't
+       work so use openssl's built in default as fallback */
+    SSL_CTX_set_default_verify_paths(BACKEND->ctx);
+  }
+#endif
+
+  if(ssl_crlfile) {
+    /* tell SSL where to find CRL file that is used to check certificate
+     * revocation */
+    lookup = X509_STORE_add_lookup(SSL_CTX_get_cert_store(BACKEND->ctx),
+                                 X509_LOOKUP_file());
+    if(!lookup ||
+       (!X509_load_crl_file(lookup, ssl_crlfile, X509_FILETYPE_PEM)) ) {
+      failf(data, "error loading CRL file: %s", ssl_crlfile);
+      return CURLE_SSL_CRL_BADFILE;
+    }
+    /* Everything is fine. */
+    infof(data, "successfully load CRL file:\n");
+    X509_STORE_set_flags(SSL_CTX_get_cert_store(BACKEND->ctx),
+                         X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL);
+
+    infof(data, "  CRLfile: %s\n", ssl_crlfile);
+  }
+
+  /* Try building a chain using issuers in the trusted store first to avoid
+  problems with server-sent legacy intermediates.
+  Newer versions of OpenSSL do alternate chain checking by default which
+  gives us the same fix without as much of a performance hit (slight), so we
+  prefer that if available.
+  https://rt.openssl.org/Ticket/Display.html?id=3621&user=guest&pass=guest
+  */
+#if defined(X509_V_FLAG_TRUSTED_FIRST) && !defined(X509_V_FLAG_NO_ALT_CHAINS)
+  if(verifypeer) {
+    X509_STORE_set_flags(SSL_CTX_get_cert_store(BACKEND->ctx),
+                         X509_V_FLAG_TRUSTED_FIRST);
+  }
+#endif
+
+  /* SSL always tries to verify the peer, this only says whether it should
+   * fail to connect if the verification fails, or if it should continue
+   * anyway. In the latter case the result of the verification is checked with
+   * SSL_get_verify_result() below. */
+  SSL_CTX_set_verify(BACKEND->ctx,
+                     verifypeer ? SSL_VERIFY_PEER : SSL_VERIFY_NONE, NULL);
+
+  /* Enable logging of secrets to the file specified in env SSLKEYLOGFILE. */
+#if defined(ENABLE_SSLKEYLOGFILE) && defined(HAVE_KEYLOG_CALLBACK)
+  if(keylog_file_fp) {
+    SSL_CTX_set_keylog_callback(BACKEND->ctx, ossl_keylog_callback);
+  }
+#endif
+
+  /* Enable the session cache because it's a prerequisite for the "new session"
+   * callback. Use the "external storage" mode to avoid that OpenSSL creates
+   * an internal session cache.
+   */
+  SSL_CTX_set_session_cache_mode(BACKEND->ctx,
+      SSL_SESS_CACHE_CLIENT | SSL_SESS_CACHE_NO_INTERNAL);
+  SSL_CTX_sess_set_new_cb(BACKEND->ctx, ossl_new_session_cb);
+
+  /* give application a chance to interfere with SSL set up. */
+  if(data->set.ssl.fsslctx) {
+    result = (*data->set.ssl.fsslctx)(data, BACKEND->ctx,
+                                      data->set.ssl.fsslctxp);
+    if(result) {
+      failf(data, "error signaled by ssl ctx callback");
+      return result;
+    }
+  }
+
+  /* Lets make an SSL structure */
+  if(BACKEND->handle)
+    SSL_free(BACKEND->handle);
+  BACKEND->handle = SSL_new(BACKEND->ctx);
+  if(!BACKEND->handle) {
+    failf(data, "SSL: couldn't create a context (handle)!");
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+#if (OPENSSL_VERSION_NUMBER >= 0x0090808fL) && !defined(OPENSSL_NO_TLSEXT) && \
+    !defined(OPENSSL_NO_OCSP)
+  if(SSL_CONN_CONFIG(verifystatus))
+    SSL_set_tlsext_status_type(BACKEND->handle, TLSEXT_STATUSTYPE_ocsp);
+#endif
+
+#if defined(OPENSSL_IS_BORINGSSL) && defined(ALLOW_RENEG)
+  SSL_set_renegotiate_mode(BACKEND->handle, ssl_renegotiate_freely);
+#endif
+
+  SSL_set_connect_state(BACKEND->handle);
+
+  BACKEND->server_cert = 0x0;
+#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
+  if((0 == Curl_inet_pton(AF_INET, hostname, &addr)) &&
+#ifdef ENABLE_IPV6
+     (0 == Curl_inet_pton(AF_INET6, hostname, &addr)) &&
+#endif
+     sni &&
+     !SSL_set_tlsext_host_name(BACKEND->handle, hostname))
+    infof(data, "WARNING: failed to configure server name indication (SNI) "
+          "TLS extension\n");
+#endif
+
+  /* Check if there's a cached ID we can/should use here! */
+  if(SSL_SET_OPTION(primary.sessionid)) {
+    void *ssl_sessionid = NULL;
+    int connectdata_idx = ossl_get_ssl_conn_index();
+    int sockindex_idx = ossl_get_ssl_sockindex_index();
+
+    if(connectdata_idx >= 0 && sockindex_idx >= 0) {
+      /* Store the data needed for the "new session" callback.
+       * The sockindex is stored as a pointer to an array element. */
+      SSL_set_ex_data(BACKEND->handle, connectdata_idx, conn);
+      SSL_set_ex_data(BACKEND->handle, sockindex_idx, conn->sock + sockindex);
+    }
+
+    Curl_ssl_sessionid_lock(conn);
+    if(!Curl_ssl_getsessionid(conn, &ssl_sessionid, NULL, sockindex)) {
+      /* we got a session id, use it! */
+      if(!SSL_set_session(BACKEND->handle, ssl_sessionid)) {
+        Curl_ssl_sessionid_unlock(conn);
+        failf(data, "SSL: SSL_set_session failed: %s",
+              ossl_strerror(ERR_get_error(), error_buffer,
+                            sizeof(error_buffer)));
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      /* Informational message */
+      infof(data, "SSL re-using session ID\n");
+    }
+    Curl_ssl_sessionid_unlock(conn);
+  }
+
+  if(conn->proxy_ssl[sockindex].use) {
+    BIO *const bio = BIO_new(BIO_f_ssl());
+    SSL *handle = conn->proxy_ssl[sockindex].backend->handle;
+    DEBUGASSERT(ssl_connection_complete == conn->proxy_ssl[sockindex].state);
+    DEBUGASSERT(handle != NULL);
+    DEBUGASSERT(bio != NULL);
+    BIO_set_ssl(bio, handle, FALSE);
+    SSL_set_bio(BACKEND->handle, bio, bio);
+  }
+  else if(!SSL_set_fd(BACKEND->handle, (int)sockfd)) {
+    /* pass the raw socket into the SSL layers */
+    failf(data, "SSL: SSL_set_fd failed: %s",
+          ossl_strerror(ERR_get_error(), error_buffer, sizeof(error_buffer)));
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  connssl->connecting_state = ssl_connect_2;
+
+  return CURLE_OK;
+}
+
+static CURLcode ossl_connect_step2(struct connectdata *conn, int sockindex)
+{
+  struct Curl_easy *data = conn->data;
+  int err;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  long * const certverifyresult = SSL_IS_PROXY() ?
+    &data->set.proxy_ssl.certverifyresult : &data->set.ssl.certverifyresult;
+  DEBUGASSERT(ssl_connect_2 == connssl->connecting_state
+              || ssl_connect_2_reading == connssl->connecting_state
+              || ssl_connect_2_writing == connssl->connecting_state);
+
+  ERR_clear_error();
+
+  err = SSL_connect(BACKEND->handle);
+  /* If keylogging is enabled but the keylog callback is not supported then log
+     secrets here, immediately after SSL_connect by using tap_ssl_key. */
+#if defined(ENABLE_SSLKEYLOGFILE) && !defined(HAVE_KEYLOG_CALLBACK)
+  tap_ssl_key(BACKEND->handle, &BACKEND->tap_state);
+#endif
+
+  /* 1  is fine
+     0  is "not successful but was shut down controlled"
+     <0 is "handshake was not successful, because a fatal error occurred" */
+  if(1 != err) {
+    int detail = SSL_get_error(BACKEND->handle, err);
+
+    if(SSL_ERROR_WANT_READ == detail) {
+      connssl->connecting_state = ssl_connect_2_reading;
+      return CURLE_OK;
+    }
+    if(SSL_ERROR_WANT_WRITE == detail) {
+      connssl->connecting_state = ssl_connect_2_writing;
+      return CURLE_OK;
+    }
+    else {
+      /* untreated error */
+      unsigned long errdetail;
+      char error_buffer[256]="";
+      CURLcode result;
+      long lerr;
+      int lib;
+      int reason;
+
+      /* the connection failed, we're not waiting for anything else. */
+      connssl->connecting_state = ssl_connect_2;
+
+      /* Get the earliest error code from the thread's error queue and removes
+         the entry. */
+      errdetail = ERR_get_error();
+
+      /* Extract which lib and reason */
+      lib = ERR_GET_LIB(errdetail);
+      reason = ERR_GET_REASON(errdetail);
+
+      if((lib == ERR_LIB_SSL) &&
+         (reason == SSL_R_CERTIFICATE_VERIFY_FAILED)) {
+        result = CURLE_PEER_FAILED_VERIFICATION;
+
+        lerr = SSL_get_verify_result(BACKEND->handle);
+        if(lerr != X509_V_OK) {
+          *certverifyresult = lerr;
+          msnprintf(error_buffer, sizeof(error_buffer),
+                    "SSL certificate problem: %s",
+                    X509_verify_cert_error_string(lerr));
+        }
+        else
+          /* strcpy() is fine here as long as the string fits within
+             error_buffer */
+          strcpy(error_buffer, "SSL certificate verification failed");
+      }
+      else {
+        result = CURLE_SSL_CONNECT_ERROR;
+        ossl_strerror(errdetail, error_buffer, sizeof(error_buffer));
+      }
+
+      /* detail is already set to the SSL error above */
+
+      /* If we e.g. use SSLv2 request-method and the server doesn't like us
+       * (RST connection etc.), OpenSSL gives no explanation whatsoever and
+       * the SO_ERROR is also lost.
+       */
+      if(CURLE_SSL_CONNECT_ERROR == result && errdetail == 0) {
+        const char * const hostname = SSL_IS_PROXY() ?
+          conn->http_proxy.host.name : conn->host.name;
+        const long int port = SSL_IS_PROXY() ? conn->port : conn->remote_port;
+        failf(data, OSSL_PACKAGE " SSL_connect: %s in connection to %s:%ld ",
+              SSL_ERROR_to_str(detail), hostname, port);
+        return result;
+      }
+
+      /* Could be a CERT problem */
+      failf(data, "%s", error_buffer);
+
+      return result;
+    }
+  }
+  else {
+    /* we have been connected fine, we're not waiting for anything else. */
+    connssl->connecting_state = ssl_connect_3;
+
+    /* Informational message */
+    infof(data, "SSL connection using %s / %s\n",
+          get_ssl_version_txt(BACKEND->handle),
+          SSL_get_cipher(BACKEND->handle));
+
+#ifdef HAS_ALPN
+    /* Sets data and len to negotiated protocol, len is 0 if no protocol was
+     * negotiated
+     */
+    if(conn->bits.tls_enable_alpn) {
+      const unsigned char *neg_protocol;
+      unsigned int len;
+      SSL_get0_alpn_selected(BACKEND->handle, &neg_protocol, &len);
+      if(len != 0) {
+        infof(data, "ALPN, server accepted to use %.*s\n", len, neg_protocol);
+
+#ifdef USE_NGHTTP2
+        if(len == NGHTTP2_PROTO_VERSION_ID_LEN &&
+           !memcmp(NGHTTP2_PROTO_VERSION_ID, neg_protocol, len)) {
+          conn->negnpn = CURL_HTTP_VERSION_2;
+        }
+        else
+#endif
+        if(len == ALPN_HTTP_1_1_LENGTH &&
+           !memcmp(ALPN_HTTP_1_1, neg_protocol, ALPN_HTTP_1_1_LENGTH)) {
+          conn->negnpn = CURL_HTTP_VERSION_1_1;
+        }
+      }
+      else
+        infof(data, "ALPN, server did not agree to a protocol\n");
+    }
+#endif
+
+    return CURLE_OK;
+  }
+}
+
+static int asn1_object_dump(ASN1_OBJECT *a, char *buf, size_t len)
+{
+  int i, ilen;
+
+  ilen = (int)len;
+  if(ilen < 0)
+    return 1; /* buffer too big */
+
+  i = i2t_ASN1_OBJECT(buf, ilen, a);
+
+  if(i >= ilen)
+    return 1; /* buffer too small */
+
+  return 0;
+}
+
+#define push_certinfo(_label, _num) \
+do {                              \
+  long info_len = BIO_get_mem_data(mem, &ptr); \
+  Curl_ssl_push_certinfo_len(data, _num, _label, ptr, info_len); \
+  if(1 != BIO_reset(mem))                                        \
+    break;                                                       \
+} WHILE_FALSE
+
+static void pubkey_show(struct Curl_easy *data,
+                        BIO *mem,
+                        int num,
+                        const char *type,
+                        const char *name,
+#ifdef HAVE_OPAQUE_RSA_DSA_DH
+                        const
+#endif
+                        BIGNUM *bn)
+{
+  char *ptr;
+  char namebuf[32];
+
+  msnprintf(namebuf, sizeof(namebuf), "%s(%s)", type, name);
+
+  if(bn)
+    BN_print(mem, bn);
+  push_certinfo(namebuf, num);
+}
+
+#ifdef HAVE_OPAQUE_RSA_DSA_DH
+#define print_pubkey_BN(_type, _name, _num)              \
+  pubkey_show(data, mem, _num, #_type, #_name, _name)
+
+#else
+#define print_pubkey_BN(_type, _name, _num)    \
+do {                              \
+  if(_type->_name) { \
+    pubkey_show(data, mem, _num, #_type, #_name, _type->_name); \
+  } \
+} WHILE_FALSE
+#endif
+
+static int X509V3_ext(struct Curl_easy *data,
+                      int certnum,
+                      CONST_EXTS STACK_OF(X509_EXTENSION) *exts)
+{
+  int i;
+  size_t j;
+
+  if((int)sk_X509_EXTENSION_num(exts) <= 0)
+    /* no extensions, bail out */
+    return 1;
+
+  for(i = 0; i < (int)sk_X509_EXTENSION_num(exts); i++) {
+    ASN1_OBJECT *obj;
+    X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
+    BUF_MEM *biomem;
+    char buf[512];
+    char *ptr = buf;
+    char namebuf[128];
+    BIO *bio_out = BIO_new(BIO_s_mem());
+
+    if(!bio_out)
+      return 1;
+
+    obj = X509_EXTENSION_get_object(ext);
+
+    asn1_object_dump(obj, namebuf, sizeof(namebuf));
+
+    if(!X509V3_EXT_print(bio_out, ext, 0, 0))
+      ASN1_STRING_print(bio_out, (ASN1_STRING *)X509_EXTENSION_get_data(ext));
+
+    BIO_get_mem_ptr(bio_out, &biomem);
+
+    for(j = 0; j < (size_t)biomem->length; j++) {
+      const char *sep = "";
+      if(biomem->data[j] == '\n') {
+        sep = ", ";
+        j++; /* skip the newline */
+      };
+      while((j<(size_t)biomem->length) && (biomem->data[j] == ' '))
+        j++;
+      if(j<(size_t)biomem->length)
+        ptr += msnprintf(ptr, sizeof(buf)-(ptr-buf), "%s%c", sep,
+                         biomem->data[j]);
+    }
+
+    Curl_ssl_push_certinfo(data, certnum, namebuf, buf);
+
+    BIO_free(bio_out);
+
+  }
+  return 0; /* all is fine */
+}
+
+static CURLcode get_cert_chain(struct connectdata *conn,
+                               struct ssl_connect_data *connssl)
+
+{
+  CURLcode result;
+  STACK_OF(X509) *sk;
+  int i;
+  struct Curl_easy *data = conn->data;
+  int numcerts;
+  BIO *mem;
+
+  sk = SSL_get_peer_cert_chain(BACKEND->handle);
+  if(!sk) {
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  numcerts = sk_X509_num(sk);
+
+  result = Curl_ssl_init_certinfo(data, numcerts);
+  if(result) {
+    return result;
+  }
+
+  mem = BIO_new(BIO_s_mem());
+
+  for(i = 0; i < numcerts; i++) {
+    ASN1_INTEGER *num;
+    X509 *x = sk_X509_value(sk, i);
+    EVP_PKEY *pubkey = NULL;
+    int j;
+    char *ptr;
+    const ASN1_BIT_STRING *psig = NULL;
+
+    X509_NAME_print_ex(mem, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
+    push_certinfo("Subject", i);
+
+    X509_NAME_print_ex(mem, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
+    push_certinfo("Issuer", i);
+
+    BIO_printf(mem, "%lx", X509_get_version(x));
+    push_certinfo("Version", i);
+
+    num = X509_get_serialNumber(x);
+    if(num->type == V_ASN1_NEG_INTEGER)
+      BIO_puts(mem, "-");
+    for(j = 0; j < num->length; j++)
+      BIO_printf(mem, "%02x", num->data[j]);
+    push_certinfo("Serial Number", i);
+
+#if defined(HAVE_X509_GET0_SIGNATURE) && defined(HAVE_X509_GET0_EXTENSIONS)
+    {
+      const X509_ALGOR *palg = NULL;
+      ASN1_STRING *a = ASN1_STRING_new();
+      if(a) {
+        X509_get0_signature(&psig, &palg, x);
+        X509_signature_print(mem, ARG2_X509_signature_print palg, a);
+        ASN1_STRING_free(a);
+
+        if(palg) {
+          i2a_ASN1_OBJECT(mem, palg->algorithm);
+          push_certinfo("Public Key Algorithm", i);
+        }
+      }
+      X509V3_ext(data, i, X509_get0_extensions(x));
+    }
+#else
+    {
+      /* before OpenSSL 1.0.2 */
+      X509_CINF *cinf = x->cert_info;
+
+      i2a_ASN1_OBJECT(mem, cinf->signature->algorithm);
+      push_certinfo("Signature Algorithm", i);
+
+      i2a_ASN1_OBJECT(mem, cinf->key->algor->algorithm);
+      push_certinfo("Public Key Algorithm", i);
+
+      X509V3_ext(data, i, cinf->extensions);
+
+      psig = x->signature;
+    }
+#endif
+
+    ASN1_TIME_print(mem, X509_get0_notBefore(x));
+    push_certinfo("Start date", i);
+
+    ASN1_TIME_print(mem, X509_get0_notAfter(x));
+    push_certinfo("Expire date", i);
+
+    pubkey = X509_get_pubkey(x);
+    if(!pubkey)
+      infof(data, "   Unable to load public key\n");
+    else {
+      int pktype;
+#ifdef HAVE_OPAQUE_EVP_PKEY
+      pktype = EVP_PKEY_id(pubkey);
+#else
+      pktype = pubkey->type;
+#endif
+      switch(pktype) {
+      case EVP_PKEY_RSA:
+      {
+        RSA *rsa;
+#ifdef HAVE_OPAQUE_EVP_PKEY
+        rsa = EVP_PKEY_get0_RSA(pubkey);
+#else
+        rsa = pubkey->pkey.rsa;
+#endif
+
+#ifdef HAVE_OPAQUE_RSA_DSA_DH
+        {
+          const BIGNUM *n;
+          const BIGNUM *e;
+
+          RSA_get0_key(rsa, &n, &e, NULL);
+          BN_print(mem, n);
+          push_certinfo("RSA Public Key", i);
+          print_pubkey_BN(rsa, n, i);
+          print_pubkey_BN(rsa, e, i);
+        }
+#else
+        BIO_printf(mem, "%d", BN_num_bits(rsa->n));
+        push_certinfo("RSA Public Key", i);
+        print_pubkey_BN(rsa, n, i);
+        print_pubkey_BN(rsa, e, i);
+#endif
+
+        break;
+      }
+      case EVP_PKEY_DSA:
+      {
+#ifndef OPENSSL_NO_DSA
+        DSA *dsa;
+#ifdef HAVE_OPAQUE_EVP_PKEY
+        dsa = EVP_PKEY_get0_DSA(pubkey);
+#else
+        dsa = pubkey->pkey.dsa;
+#endif
+#ifdef HAVE_OPAQUE_RSA_DSA_DH
+        {
+          const BIGNUM *p;
+          const BIGNUM *q;
+          const BIGNUM *g;
+          const BIGNUM *pub_key;
+
+          DSA_get0_pqg(dsa, &p, &q, &g);
+          DSA_get0_key(dsa, &pub_key, NULL);
+
+          print_pubkey_BN(dsa, p, i);
+          print_pubkey_BN(dsa, q, i);
+          print_pubkey_BN(dsa, g, i);
+          print_pubkey_BN(dsa, pub_key, i);
+        }
+#else
+        print_pubkey_BN(dsa, p, i);
+        print_pubkey_BN(dsa, q, i);
+        print_pubkey_BN(dsa, g, i);
+        print_pubkey_BN(dsa, pub_key, i);
+#endif
+#endif /* !OPENSSL_NO_DSA */
+        break;
+      }
+      case EVP_PKEY_DH:
+      {
+        DH *dh;
+#ifdef HAVE_OPAQUE_EVP_PKEY
+        dh = EVP_PKEY_get0_DH(pubkey);
+#else
+        dh = pubkey->pkey.dh;
+#endif
+#ifdef HAVE_OPAQUE_RSA_DSA_DH
+        {
+          const BIGNUM *p;
+          const BIGNUM *q;
+          const BIGNUM *g;
+          const BIGNUM *pub_key;
+          DH_get0_pqg(dh, &p, &q, &g);
+          DH_get0_key(dh, &pub_key, NULL);
+          print_pubkey_BN(dh, p, i);
+          print_pubkey_BN(dh, q, i);
+          print_pubkey_BN(dh, g, i);
+          print_pubkey_BN(dh, pub_key, i);
+       }
+#else
+        print_pubkey_BN(dh, p, i);
+        print_pubkey_BN(dh, g, i);
+        print_pubkey_BN(dh, pub_key, i);
+#endif
+        break;
+      }
+#if 0
+      case EVP_PKEY_EC: /* symbol not present in OpenSSL 0.9.6 */
+        /* left TODO */
+        break;
+#endif
+      }
+      EVP_PKEY_free(pubkey);
+    }
+
+    if(psig) {
+      for(j = 0; j < psig->length; j++)
+        BIO_printf(mem, "%02x:", psig->data[j]);
+      push_certinfo("Signature", i);
+    }
+
+    PEM_write_bio_X509(mem, x);
+    push_certinfo("Cert", i);
+  }
+
+  BIO_free(mem);
+
+  return CURLE_OK;
+}
+
+/*
+ * Heavily modified from:
+ * https://www.owasp.org/index.php/Certificate_and_Public_Key_Pinning#OpenSSL
+ */
+static CURLcode pkp_pin_peer_pubkey(struct Curl_easy *data, X509* cert,
+                                    const char *pinnedpubkey)
+{
+  /* Scratch */
+  int len1 = 0, len2 = 0;
+  unsigned char *buff1 = NULL, *temp = NULL;
+
+  /* Result is returned to caller */
+  CURLcode result = CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+
+  /* if a path wasn't specified, don't pin */
+  if(!pinnedpubkey)
+    return CURLE_OK;
+
+  if(!cert)
+    return result;
+
+  do {
+    /* Begin Gyrations to get the subjectPublicKeyInfo     */
+    /* Thanks to Viktor Dukhovni on the OpenSSL mailing list */
+
+    /* https://groups.google.com/group/mailing.openssl.users/browse_thread
+     /thread/d61858dae102c6c7 */
+    len1 = i2d_X509_PUBKEY(X509_get_X509_PUBKEY(cert), NULL);
+    if(len1 < 1)
+      break; /* failed */
+
+    /* https://www.openssl.org/docs/crypto/buffer.html */
+    buff1 = temp = malloc(len1);
+    if(!buff1)
+      break; /* failed */
+
+    /* https://www.openssl.org/docs/crypto/d2i_X509.html */
+    len2 = i2d_X509_PUBKEY(X509_get_X509_PUBKEY(cert), &temp);
+
+    /*
+     * These checks are verifying we got back the same values as when we
+     * sized the buffer. It's pretty weak since they should always be the
+     * same. But it gives us something to test.
+     */
+    if((len1 != len2) || !temp || ((temp - buff1) != len1))
+      break; /* failed */
+
+    /* End Gyrations */
+
+    /* The one good exit point */
+    result = Curl_pin_peer_pubkey(data, pinnedpubkey, buff1, len1);
+  } while(0);
+
+  /* https://www.openssl.org/docs/crypto/buffer.html */
+  if(buff1)
+    free(buff1);
+
+  return result;
+}
+
+/*
+ * Get the server cert, verify it and show it etc, only call failf() if the
+ * 'strict' argument is TRUE as otherwise all this is for informational
+ * purposes only!
+ *
+ * We check certificates to authenticate the server; otherwise we risk
+ * man-in-the-middle attack.
+ */
+static CURLcode servercert(struct connectdata *conn,
+                           struct ssl_connect_data *connssl,
+                           bool strict)
+{
+  CURLcode result = CURLE_OK;
+  int rc;
+  long lerr;
+  struct Curl_easy *data = conn->data;
+  X509 *issuer;
+  BIO *fp = NULL;
+  char error_buffer[256]="";
+  char buffer[2048];
+  const char *ptr;
+  long * const certverifyresult = SSL_IS_PROXY() ?
+    &data->set.proxy_ssl.certverifyresult : &data->set.ssl.certverifyresult;
+  BIO *mem = BIO_new(BIO_s_mem());
+
+  if(data->set.ssl.certinfo)
+    /* we've been asked to gather certificate info! */
+    (void)get_cert_chain(conn, connssl);
+
+  BACKEND->server_cert = SSL_get_peer_certificate(BACKEND->handle);
+  if(!BACKEND->server_cert) {
+    BIO_free(mem);
+    if(!strict)
+      return CURLE_OK;
+
+    failf(data, "SSL: couldn't get peer certificate!");
+    return CURLE_PEER_FAILED_VERIFICATION;
+  }
+
+  infof(data, "%s certificate:\n", SSL_IS_PROXY() ? "Proxy" : "Server");
+
+  rc = x509_name_oneline(X509_get_subject_name(BACKEND->server_cert),
+                         buffer, sizeof(buffer));
+  infof(data, " subject: %s\n", rc?"[NONE]":buffer);
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+  {
+    long len;
+    ASN1_TIME_print(mem, X509_get0_notBefore(BACKEND->server_cert));
+    len = BIO_get_mem_data(mem, (char **) &ptr);
+    infof(data, " start date: %.*s\n", len, ptr);
+    (void)BIO_reset(mem);
+
+    ASN1_TIME_print(mem, X509_get0_notAfter(BACKEND->server_cert));
+    len = BIO_get_mem_data(mem, (char **) &ptr);
+    infof(data, " expire date: %.*s\n", len, ptr);
+    (void)BIO_reset(mem);
+  }
+#endif
+
+  BIO_free(mem);
+
+  if(SSL_CONN_CONFIG(verifyhost)) {
+    result = verifyhost(conn, BACKEND->server_cert);
+    if(result) {
+      X509_free(BACKEND->server_cert);
+      BACKEND->server_cert = NULL;
+      return result;
+    }
+  }
+
+  rc = x509_name_oneline(X509_get_issuer_name(BACKEND->server_cert),
+                         buffer, sizeof(buffer));
+  if(rc) {
+    if(strict)
+      failf(data, "SSL: couldn't get X509-issuer name!");
+    result = CURLE_PEER_FAILED_VERIFICATION;
+  }
+  else {
+    infof(data, " issuer: %s\n", buffer);
+
+    /* We could do all sorts of certificate verification stuff here before
+       deallocating the certificate. */
+
+    /* e.g. match issuer name with provided issuer certificate */
+    if(SSL_SET_OPTION(issuercert)) {
+      fp = BIO_new(BIO_s_file());
+      if(fp == NULL) {
+        failf(data,
+              "BIO_new return NULL, " OSSL_PACKAGE
+              " error %s",
+              ossl_strerror(ERR_get_error(), error_buffer,
+                            sizeof(error_buffer)) );
+        X509_free(BACKEND->server_cert);
+        BACKEND->server_cert = NULL;
+        return CURLE_OUT_OF_MEMORY;
+      }
+
+      if(BIO_read_filename(fp, SSL_SET_OPTION(issuercert)) <= 0) {
+        if(strict)
+          failf(data, "SSL: Unable to open issuer cert (%s)",
+                SSL_SET_OPTION(issuercert));
+        BIO_free(fp);
+        X509_free(BACKEND->server_cert);
+        BACKEND->server_cert = NULL;
+        return CURLE_SSL_ISSUER_ERROR;
+      }
+
+      issuer = PEM_read_bio_X509(fp, NULL, ZERO_NULL, NULL);
+      if(!issuer) {
+        if(strict)
+          failf(data, "SSL: Unable to read issuer cert (%s)",
+                SSL_SET_OPTION(issuercert));
+        BIO_free(fp);
+        X509_free(issuer);
+        X509_free(BACKEND->server_cert);
+        BACKEND->server_cert = NULL;
+        return CURLE_SSL_ISSUER_ERROR;
+      }
+
+      if(X509_check_issued(issuer, BACKEND->server_cert) != X509_V_OK) {
+        if(strict)
+          failf(data, "SSL: Certificate issuer check failed (%s)",
+                SSL_SET_OPTION(issuercert));
+        BIO_free(fp);
+        X509_free(issuer);
+        X509_free(BACKEND->server_cert);
+        BACKEND->server_cert = NULL;
+        return CURLE_SSL_ISSUER_ERROR;
+      }
+
+      infof(data, " SSL certificate issuer check ok (%s)\n",
+            SSL_SET_OPTION(issuercert));
+      BIO_free(fp);
+      X509_free(issuer);
+    }
+
+    lerr = *certverifyresult = SSL_get_verify_result(BACKEND->handle);
+
+    if(*certverifyresult != X509_V_OK) {
+      if(SSL_CONN_CONFIG(verifypeer)) {
+        /* We probably never reach this, because SSL_connect() will fail
+           and we return earlier if verifypeer is set? */
+        if(strict)
+          failf(data, "SSL certificate verify result: %s (%ld)",
+                X509_verify_cert_error_string(lerr), lerr);
+        result = CURLE_PEER_FAILED_VERIFICATION;
+      }
+      else
+        infof(data, " SSL certificate verify result: %s (%ld),"
+              " continuing anyway.\n",
+              X509_verify_cert_error_string(lerr), lerr);
+    }
+    else
+      infof(data, " SSL certificate verify ok.\n");
+  }
+
+#if (OPENSSL_VERSION_NUMBER >= 0x0090808fL) && !defined(OPENSSL_NO_TLSEXT) && \
+    !defined(OPENSSL_NO_OCSP)
+  if(SSL_CONN_CONFIG(verifystatus)) {
+    result = verifystatus(conn, connssl);
+    if(result) {
+      X509_free(BACKEND->server_cert);
+      BACKEND->server_cert = NULL;
+      return result;
+    }
+  }
+#endif
+
+  if(!strict)
+    /* when not strict, we don't bother about the verify cert problems */
+    result = CURLE_OK;
+
+  ptr = SSL_IS_PROXY() ? data->set.str[STRING_SSL_PINNEDPUBLICKEY_PROXY] :
+                         data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG];
+  if(!result && ptr) {
+    result = pkp_pin_peer_pubkey(data, BACKEND->server_cert, ptr);
+    if(result)
+      failf(data, "SSL: public key does not match pinned public key!");
+  }
+
+  X509_free(BACKEND->server_cert);
+  BACKEND->server_cert = NULL;
+  connssl->connecting_state = ssl_connect_done;
+
+  return result;
+}
+
+static CURLcode ossl_connect_step3(struct connectdata *conn, int sockindex)
+{
+  CURLcode result = CURLE_OK;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+
+  DEBUGASSERT(ssl_connect_3 == connssl->connecting_state);
+
+  /*
+   * We check certificates to authenticate the server; otherwise we risk
+   * man-in-the-middle attack; NEVERTHELESS, if we're told explicitly not to
+   * verify the peer ignore faults and failures from the server cert
+   * operations.
+   */
+
+  result = servercert(conn, connssl, (SSL_CONN_CONFIG(verifypeer) ||
+                                      SSL_CONN_CONFIG(verifyhost)));
+
+  if(!result)
+    connssl->connecting_state = ssl_connect_done;
+
+  return result;
+}
+
+static Curl_recv ossl_recv;
+static Curl_send ossl_send;
+
+static CURLcode ossl_connect_common(struct connectdata *conn,
+                                    int sockindex,
+                                    bool nonblocking,
+                                    bool *done)
+{
+  CURLcode result;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  curl_socket_t sockfd = conn->sock[sockindex];
+  time_t timeout_ms;
+  int what;
+
+  /* check if the connection has already been established */
+  if(ssl_connection_complete == connssl->state) {
+    *done = TRUE;
+    return CURLE_OK;
+  }
+
+  if(ssl_connect_1 == connssl->connecting_state) {
+    /* Find out how much more time we're allowed */
+    timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+    if(timeout_ms < 0) {
+      /* no need to continue if time already is up */
+      failf(data, "SSL connection timeout");
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+
+    result = ossl_connect_step1(conn, sockindex);
+    if(result)
+      return result;
+  }
+
+  while(ssl_connect_2 == connssl->connecting_state ||
+        ssl_connect_2_reading == connssl->connecting_state ||
+        ssl_connect_2_writing == connssl->connecting_state) {
+
+    /* check allowed time left */
+    timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+    if(timeout_ms < 0) {
+      /* no need to continue if time already is up */
+      failf(data, "SSL connection timeout");
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+
+    /* if ssl is expecting something, check if it's available. */
+    if(connssl->connecting_state == ssl_connect_2_reading ||
+       connssl->connecting_state == ssl_connect_2_writing) {
+
+      curl_socket_t writefd = ssl_connect_2_writing ==
+        connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
+      curl_socket_t readfd = ssl_connect_2_reading ==
+        connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
+
+      what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
+                               nonblocking?0:timeout_ms);
+      if(what < 0) {
+        /* fatal error */
+        failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      if(0 == what) {
+        if(nonblocking) {
+          *done = FALSE;
+          return CURLE_OK;
+        }
+        /* timeout */
+        failf(data, "SSL connection timeout");
+        return CURLE_OPERATION_TIMEDOUT;
+      }
+      /* socket is readable or writable */
+    }
+
+    /* Run transaction, and return to the caller if it failed or if this
+     * connection is done nonblocking and this loop would execute again. This
+     * permits the owner of a multi handle to abort a connection attempt
+     * before step2 has completed while ensuring that a client using select()
+     * or epoll() will always have a valid fdset to wait on.
+     */
+    result = ossl_connect_step2(conn, sockindex);
+    if(result || (nonblocking &&
+                  (ssl_connect_2 == connssl->connecting_state ||
+                   ssl_connect_2_reading == connssl->connecting_state ||
+                   ssl_connect_2_writing == connssl->connecting_state)))
+      return result;
+
+  } /* repeat step2 until all transactions are done. */
+
+  if(ssl_connect_3 == connssl->connecting_state) {
+    result = ossl_connect_step3(conn, sockindex);
+    if(result)
+      return result;
+  }
+
+  if(ssl_connect_done == connssl->connecting_state) {
+    connssl->state = ssl_connection_complete;
+    conn->recv[sockindex] = ossl_recv;
+    conn->send[sockindex] = ossl_send;
+    *done = TRUE;
+  }
+  else
+    *done = FALSE;
+
+  /* Reset our connect state machine */
+  connssl->connecting_state = ssl_connect_1;
+
+  return CURLE_OK;
+}
+
+static CURLcode Curl_ossl_connect_nonblocking(struct connectdata *conn,
+                                              int sockindex,
+                                              bool *done)
+{
+  return ossl_connect_common(conn, sockindex, TRUE, done);
+}
+
+static CURLcode Curl_ossl_connect(struct connectdata *conn, int sockindex)
+{
+  CURLcode result;
+  bool done = FALSE;
+
+  result = ossl_connect_common(conn, sockindex, FALSE, &done);
+  if(result)
+    return result;
+
+  DEBUGASSERT(done);
+
+  return CURLE_OK;
+}
+
+static bool Curl_ossl_data_pending(const struct connectdata *conn,
+                                   int connindex)
+{
+  const struct ssl_connect_data *connssl = &conn->ssl[connindex];
+  const struct ssl_connect_data *proxyssl = &conn->proxy_ssl[connindex];
+
+  if(connssl->backend->handle && SSL_pending(connssl->backend->handle))
+    return TRUE;
+
+  if(proxyssl->backend->handle && SSL_pending(proxyssl->backend->handle))
+    return TRUE;
+
+  return FALSE;
+}
+
+static size_t Curl_ossl_version(char *buffer, size_t size);
+
+static ssize_t ossl_send(struct connectdata *conn,
+                         int sockindex,
+                         const void *mem,
+                         size_t len,
+                         CURLcode *curlcode)
+{
+  /* SSL_write() is said to return 'int' while write() and send() returns
+     'size_t' */
+  int err;
+  char error_buffer[256];
+  unsigned long sslerror;
+  int memlen;
+  int rc;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+
+  ERR_clear_error();
+
+  memlen = (len > (size_t)INT_MAX) ? INT_MAX : (int)len;
+  rc = SSL_write(BACKEND->handle, mem, memlen);
+
+  if(rc <= 0) {
+    err = SSL_get_error(BACKEND->handle, rc);
+
+    switch(err) {
+    case SSL_ERROR_WANT_READ:
+    case SSL_ERROR_WANT_WRITE:
+      /* The operation did not complete; the same TLS/SSL I/O function
+         should be called again later. This is basically an EWOULDBLOCK
+         equivalent. */
+      *curlcode = CURLE_AGAIN;
+      return -1;
+    case SSL_ERROR_SYSCALL:
+      failf(conn->data, "SSL_write() returned SYSCALL, errno = %d",
+            SOCKERRNO);
+      *curlcode = CURLE_SEND_ERROR;
+      return -1;
+    case SSL_ERROR_SSL:
+      /*  A failure in the SSL library occurred, usually a protocol error.
+          The OpenSSL error queue contains more information on the error. */
+      sslerror = ERR_get_error();
+      if(ERR_GET_LIB(sslerror) == ERR_LIB_SSL &&
+         ERR_GET_REASON(sslerror) == SSL_R_BIO_NOT_SET &&
+         conn->ssl[sockindex].state == ssl_connection_complete &&
+         conn->proxy_ssl[sockindex].state == ssl_connection_complete) {
+        char ver[120];
+        Curl_ossl_version(ver, 120);
+        failf(conn->data, "Error: %s does not support double SSL tunneling.",
+              ver);
+      }
+      else
+        failf(conn->data, "SSL_write() error: %s",
+              ossl_strerror(sslerror, error_buffer, sizeof(error_buffer)));
+      *curlcode = CURLE_SEND_ERROR;
+      return -1;
+    }
+    /* a true error */
+    failf(conn->data, OSSL_PACKAGE " SSL_write: %s, errno %d",
+          SSL_ERROR_to_str(err), SOCKERRNO);
+    *curlcode = CURLE_SEND_ERROR;
+    return -1;
+  }
+  *curlcode = CURLE_OK;
+  return (ssize_t)rc; /* number of bytes */
+}
+
+static ssize_t ossl_recv(struct connectdata *conn, /* connection data */
+                         int num,                  /* socketindex */
+                         char *buf,                /* store read data here */
+                         size_t buffersize,        /* max amount to read */
+                         CURLcode *curlcode)
+{
+  char error_buffer[256];
+  unsigned long sslerror;
+  ssize_t nread;
+  int buffsize;
+  struct ssl_connect_data *connssl = &conn->ssl[num];
+
+  ERR_clear_error();
+
+  buffsize = (buffersize > (size_t)INT_MAX) ? INT_MAX : (int)buffersize;
+  nread = (ssize_t)SSL_read(BACKEND->handle, buf, buffsize);
+  if(nread <= 0) {
+    /* failed SSL_read */
+    int err = SSL_get_error(BACKEND->handle, (int)nread);
+
+    switch(err) {
+    case SSL_ERROR_NONE: /* this is not an error */
+    case SSL_ERROR_ZERO_RETURN: /* no more data */
+      break;
+    case SSL_ERROR_WANT_READ:
+    case SSL_ERROR_WANT_WRITE:
+      /* there's data pending, re-invoke SSL_read() */
+      *curlcode = CURLE_AGAIN;
+      return -1;
+    default:
+      /* openssl/ssl.h for SSL_ERROR_SYSCALL says "look at error stack/return
+         value/errno" */
+      /* https://www.openssl.org/docs/crypto/ERR_get_error.html */
+      sslerror = ERR_get_error();
+      if((nread < 0) || sslerror) {
+        /* If the return code was negative or there actually is an error in the
+           queue */
+        failf(conn->data, OSSL_PACKAGE " SSL_read: %s, errno %d",
+              (sslerror ?
+               ossl_strerror(sslerror, error_buffer, sizeof(error_buffer)) :
+               SSL_ERROR_to_str(err)),
+              SOCKERRNO);
+        *curlcode = CURLE_RECV_ERROR;
+        return -1;
+      }
+    }
+  }
+  return nread;
+}
+
+static size_t Curl_ossl_version(char *buffer, size_t size)
+{
+#ifdef OPENSSL_IS_BORINGSSL
+  return msnprintf(buffer, size, OSSL_PACKAGE);
+#elif defined(HAVE_OPENSSL_VERSION) && defined(OPENSSL_VERSION_STRING)
+  return msnprintf(buffer, size, "%s/%s",
+                   OSSL_PACKAGE, OpenSSL_version(OPENSSL_VERSION_STRING));
+#else
+  /* not BoringSSL and not using OpenSSL_version */
+
+  char sub[3];
+  unsigned long ssleay_value;
+  sub[2]='\0';
+  sub[1]='\0';
+  ssleay_value = OpenSSL_version_num();
+  if(ssleay_value < 0x906000) {
+    ssleay_value = SSLEAY_VERSION_NUMBER;
+    sub[0]='\0';
+  }
+  else {
+    if(ssleay_value&0xff0) {
+      int minor_ver = (ssleay_value >> 4) & 0xff;
+      if(minor_ver > 26) {
+        /* handle extended version introduced for 0.9.8za */
+        sub[1] = (char) ((minor_ver - 1) % 26 + 'a' + 1);
+        sub[0] = 'z';
+      }
+      else {
+        sub[0] = (char) (minor_ver + 'a' - 1);
+      }
+    }
+    else
+      sub[0]='\0';
+  }
+
+  return msnprintf(buffer, size, "%s/%lx.%lx.%lx%s",
+                   OSSL_PACKAGE,
+                   (ssleay_value>>28)&0xf,
+                   (ssleay_value>>20)&0xff,
+                   (ssleay_value>>12)&0xff,
+                   sub);
+#endif /* OPENSSL_IS_BORINGSSL */
+}
+
+/* can be called with data == NULL */
+static CURLcode Curl_ossl_random(struct Curl_easy *data,
+                                 unsigned char *entropy, size_t length)
+{
+  int rc;
+  if(data) {
+    if(Curl_ossl_seed(data)) /* Initiate the seed if not already done */
+      return CURLE_FAILED_INIT; /* couldn't seed for some reason */
+  }
+  else {
+    if(!rand_enough())
+      return CURLE_FAILED_INIT;
+  }
+  /* RAND_bytes() returns 1 on success, 0 otherwise.  */
+  rc = RAND_bytes(entropy, curlx_uztosi(length));
+  return (rc == 1 ? CURLE_OK : CURLE_FAILED_INIT);
+}
+
+static CURLcode Curl_ossl_md5sum(unsigned char *tmp, /* input */
+                                 size_t tmplen,
+                                 unsigned char *md5sum /* output */,
+                                 size_t unused)
+{
+  EVP_MD_CTX *mdctx;
+  unsigned int len = 0;
+  (void) unused;
+
+  mdctx = EVP_MD_CTX_create();
+  EVP_DigestInit_ex(mdctx, EVP_md5(), NULL);
+  EVP_DigestUpdate(mdctx, tmp, tmplen);
+  EVP_DigestFinal_ex(mdctx, md5sum, &len);
+  EVP_MD_CTX_destroy(mdctx);
+  return CURLE_OK;
+}
+
+#if (OPENSSL_VERSION_NUMBER >= 0x0090800fL) && !defined(OPENSSL_NO_SHA256)
+static CURLcode Curl_ossl_sha256sum(const unsigned char *tmp, /* input */
+                                size_t tmplen,
+                                unsigned char *sha256sum /* output */,
+                                size_t unused)
+{
+  EVP_MD_CTX *mdctx;
+  unsigned int len = 0;
+  (void) unused;
+
+  mdctx =  EVP_MD_CTX_create();
+  EVP_DigestInit_ex(mdctx, EVP_sha256(), NULL);
+  EVP_DigestUpdate(mdctx, tmp, tmplen);
+  EVP_DigestFinal_ex(mdctx, sha256sum, &len);
+  EVP_MD_CTX_destroy(mdctx);
+  return CURLE_OK;
+}
+#endif
+
+static bool Curl_ossl_cert_status_request(void)
+{
+#if (OPENSSL_VERSION_NUMBER >= 0x0090808fL) && !defined(OPENSSL_NO_TLSEXT) && \
+    !defined(OPENSSL_NO_OCSP)
+  return TRUE;
+#else
+  return FALSE;
+#endif
+}
+
+static void *Curl_ossl_get_internals(struct ssl_connect_data *connssl,
+                                     CURLINFO info)
+{
+  /* Legacy: CURLINFO_TLS_SESSION must return an SSL_CTX pointer. */
+  return info == CURLINFO_TLS_SESSION ?
+         (void *)BACKEND->ctx : (void *)BACKEND->handle;
+}
+
+const struct Curl_ssl Curl_ssl_openssl = {
+  { CURLSSLBACKEND_OPENSSL, "openssl" }, /* info */
+
+  SSLSUPP_CA_PATH |
+  SSLSUPP_CERTINFO |
+  SSLSUPP_PINNEDPUBKEY |
+  SSLSUPP_SSL_CTX |
+#ifdef HAVE_SSL_CTX_SET_CIPHERSUITES
+  SSLSUPP_TLS13_CIPHERSUITES |
+#endif
+  SSLSUPP_HTTPS_PROXY,
+
+  sizeof(struct ssl_backend_data),
+
+  Curl_ossl_init,                /* init */
+  Curl_ossl_cleanup,             /* cleanup */
+  Curl_ossl_version,             /* version */
+  Curl_ossl_check_cxn,           /* check_cxn */
+  Curl_ossl_shutdown,            /* shutdown */
+  Curl_ossl_data_pending,        /* data_pending */
+  Curl_ossl_random,              /* random */
+  Curl_ossl_cert_status_request, /* cert_status_request */
+  Curl_ossl_connect,             /* connect */
+  Curl_ossl_connect_nonblocking, /* connect_nonblocking */
+  Curl_ossl_get_internals,       /* get_internals */
+  Curl_ossl_close,               /* close_one */
+  Curl_ossl_close_all,           /* close_all */
+  Curl_ossl_session_free,        /* session_free */
+  Curl_ossl_set_engine,          /* set_engine */
+  Curl_ossl_set_engine_default,  /* set_engine_default */
+  Curl_ossl_engines_list,        /* engines_list */
+  Curl_none_false_start,         /* false_start */
+  Curl_ossl_md5sum,              /* md5sum */
+#if (OPENSSL_VERSION_NUMBER >= 0x0090800fL) && !defined(OPENSSL_NO_SHA256)
+  Curl_ossl_sha256sum            /* sha256sum */
+#else
+  NULL                           /* sha256sum */
+#endif
+};
+
+#endif /* USE_OPENSSL */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/openssl.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/openssl.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/openssl.h	(revision 85671)
@@ -0,0 +1,37 @@
+#ifndef HEADER_CURL_SSLUSE_H
+#define HEADER_CURL_SSLUSE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef USE_OPENSSL
+/*
+ * This header should only be needed to get included by vtls.c and openssl.c
+ */
+
+#include "urldata.h"
+
+extern const struct Curl_ssl Curl_ssl_openssl;
+
+#endif /* USE_OPENSSL */
+#endif /* HEADER_CURL_SSLUSE_H */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/polarssl.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/polarssl.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/polarssl.c	(revision 85671)
@@ -0,0 +1,930 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2012 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2010 - 2011, Hoi-Ho Chan, <hoiho.chan@gmail.com>
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Source file for all PolarSSL-specific code for the TLS/SSL layer. No code
+ * but vtls.c should ever call or use these functions.
+ *
+ */
+
+#include "curl_setup.h"
+
+#ifdef USE_POLARSSL
+#include <polarssl/net.h>
+#include <polarssl/ssl.h>
+#include <polarssl/certs.h>
+#include <polarssl/x509.h>
+#include <polarssl/version.h>
+#include <polarssl/sha256.h>
+
+#if POLARSSL_VERSION_NUMBER < 0x01030000
+#error too old PolarSSL
+#endif
+
+#include <polarssl/error.h>
+#include <polarssl/entropy.h>
+#include <polarssl/ctr_drbg.h>
+
+#include "urldata.h"
+#include "sendf.h"
+#include "inet_pton.h"
+#include "polarssl.h"
+#include "vtls.h"
+#include "parsedate.h"
+#include "connect.h" /* for the connect timeout */
+#include "select.h"
+#include "strcase.h"
+#include "polarssl_threadlock.h"
+#include "curl_printf.h"
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/* See https://tls.mbed.org/discussions/generic/
+   howto-determine-exact-buffer-len-for-mbedtls_pk_write_pubkey_der
+*/
+#define RSA_PUB_DER_MAX_BYTES   (38 + 2 * POLARSSL_MPI_MAX_SIZE)
+#define ECP_PUB_DER_MAX_BYTES   (30 + 2 * POLARSSL_ECP_MAX_BYTES)
+
+#define PUB_DER_MAX_BYTES   (RSA_PUB_DER_MAX_BYTES > ECP_PUB_DER_MAX_BYTES ? \
+                             RSA_PUB_DER_MAX_BYTES : ECP_PUB_DER_MAX_BYTES)
+
+struct ssl_backend_data {
+  ctr_drbg_context ctr_drbg;
+  entropy_context entropy;
+  ssl_context ssl;
+  int server_fd;
+  x509_crt cacert;
+  x509_crt clicert;
+  x509_crl crl;
+  rsa_context rsa;
+};
+
+#define BACKEND connssl->backend
+
+/* apply threading? */
+#if defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
+#define THREADING_SUPPORT
+#endif
+
+#ifndef POLARSSL_ERROR_C
+#define error_strerror(x,y,z)
+#endif /* POLARSSL_ERROR_C */
+
+
+#if defined(THREADING_SUPPORT)
+static entropy_context entropy;
+
+static int  entropy_init_initialized  = 0;
+
+/* start of entropy_init_mutex() */
+static void entropy_init_mutex(entropy_context *ctx)
+{
+  /* lock 0 = entropy_init_mutex() */
+  Curl_polarsslthreadlock_lock_function(0);
+  if(entropy_init_initialized == 0) {
+    entropy_init(ctx);
+    entropy_init_initialized = 1;
+  }
+  Curl_polarsslthreadlock_unlock_function(0);
+}
+/* end of entropy_init_mutex() */
+
+/* start of entropy_func_mutex() */
+static int entropy_func_mutex(void *data, unsigned char *output, size_t len)
+{
+  int ret;
+  /* lock 1 = entropy_func_mutex() */
+  Curl_polarsslthreadlock_lock_function(1);
+  ret = entropy_func(data, output, len);
+  Curl_polarsslthreadlock_unlock_function(1);
+
+  return ret;
+}
+/* end of entropy_func_mutex() */
+
+#endif /* THREADING_SUPPORT */
+
+/* Define this to enable lots of debugging for PolarSSL */
+#undef POLARSSL_DEBUG
+
+#ifdef POLARSSL_DEBUG
+static void polarssl_debug(void *context, int level, const char *line)
+{
+  struct Curl_easy *data = NULL;
+
+  if(!context)
+    return;
+
+  data = (struct Curl_easy *)context;
+
+  infof(data, "%s", line);
+  (void) level;
+}
+#else
+#endif
+
+/* ALPN for http2? */
+#ifdef POLARSSL_SSL_ALPN
+#  define HAS_ALPN
+#endif
+
+static Curl_recv polarssl_recv;
+static Curl_send polarssl_send;
+
+static CURLcode polarssl_version_from_curl(int *polarver, long ssl_version)
+{
+  switch(ssl_version) {
+    case CURL_SSLVERSION_TLSv1_0:
+      *polarver = SSL_MINOR_VERSION_1;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_1:
+      *polarver = SSL_MINOR_VERSION_2;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_2:
+      *polarver = SSL_MINOR_VERSION_3;
+      return CURLE_OK;
+    case CURL_SSLVERSION_TLSv1_3:
+      break;
+  }
+  return CURLE_SSL_CONNECT_ERROR;
+}
+
+static CURLcode
+set_ssl_version_min_max(struct connectdata *conn, int sockindex)
+{
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data* connssl = &conn->ssl[sockindex];
+  long ssl_version = SSL_CONN_CONFIG(version);
+  long ssl_version_max = SSL_CONN_CONFIG(version_max);
+  int ssl_min_ver = SSL_MINOR_VERSION_1;
+  int ssl_max_ver = SSL_MINOR_VERSION_1;
+  CURLcode result = CURLE_OK;
+
+  switch(ssl_version) {
+    case CURL_SSLVERSION_DEFAULT:
+    case CURL_SSLVERSION_TLSv1:
+      ssl_version = CURL_SSLVERSION_TLSv1_0;
+      break;
+  }
+
+  switch(ssl_version_max) {
+    case CURL_SSLVERSION_MAX_NONE:
+    case CURL_SSLVERSION_MAX_DEFAULT:
+      ssl_version_max = CURL_SSLVERSION_MAX_TLSv1_2;
+      break;
+  }
+
+  result = polarssl_version_from_curl(&ssl_min_ver, ssl_version);
+  if(result) {
+    failf(data, "unsupported min version passed via CURLOPT_SSLVERSION");
+    return result;
+  }
+  result = polarssl_version_from_curl(&ssl_max_ver, ssl_version_max >> 16);
+  if(result) {
+    failf(data, "unsupported max version passed via CURLOPT_SSLVERSION");
+    return result;
+  }
+
+  ssl_set_min_version(&BACKEND->ssl, SSL_MAJOR_VERSION_3, ssl_min_ver);
+  ssl_set_max_version(&BACKEND->ssl, SSL_MAJOR_VERSION_3, ssl_max_ver);
+
+  return result;
+}
+
+static CURLcode
+polarssl_connect_step1(struct connectdata *conn,
+                       int sockindex)
+{
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data* connssl = &conn->ssl[sockindex];
+  const char *capath = SSL_CONN_CONFIG(CApath);
+  const char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
+    conn->host.name;
+  const long int port = SSL_IS_PROXY() ? conn->port : conn->remote_port;
+  int ret = -1;
+  char errorbuf[128];
+  errorbuf[0] = 0;
+
+  /* PolarSSL only supports SSLv3 and TLSv1 */
+  if(SSL_CONN_CONFIG(version) == CURL_SSLVERSION_SSLv2) {
+    failf(data, "PolarSSL does not support SSLv2");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+#ifdef THREADING_SUPPORT
+  entropy_init_mutex(&entropy);
+
+  if((ret = ctr_drbg_init(&BACKEND->ctr_drbg, entropy_func_mutex, &entropy,
+                          NULL, 0)) != 0) {
+    error_strerror(ret, errorbuf, sizeof(errorbuf));
+    failf(data, "Failed - PolarSSL: ctr_drbg_init returned (-0x%04X) %s\n",
+          -ret, errorbuf);
+  }
+#else
+  entropy_init(&BACKEND->entropy);
+
+  if((ret = ctr_drbg_init(&BACKEND->ctr_drbg, entropy_func, &BACKEND->entropy,
+                          NULL, 0)) != 0) {
+    error_strerror(ret, errorbuf, sizeof(errorbuf));
+    failf(data, "Failed - PolarSSL: ctr_drbg_init returned (-0x%04X) %s\n",
+          -ret, errorbuf);
+  }
+#endif /* THREADING_SUPPORT */
+
+  /* Load the trusted CA */
+  memset(&BACKEND->cacert, 0, sizeof(x509_crt));
+
+  if(SSL_CONN_CONFIG(CAfile)) {
+    ret = x509_crt_parse_file(&BACKEND->cacert,
+                              SSL_CONN_CONFIG(CAfile));
+
+    if(ret<0) {
+      error_strerror(ret, errorbuf, sizeof(errorbuf));
+      failf(data, "Error reading ca cert file %s - PolarSSL: (-0x%04X) %s",
+            SSL_CONN_CONFIG(CAfile), -ret, errorbuf);
+
+      if(SSL_CONN_CONFIG(verifypeer))
+        return CURLE_SSL_CACERT_BADFILE;
+    }
+  }
+
+  if(capath) {
+    ret = x509_crt_parse_path(&BACKEND->cacert, capath);
+
+    if(ret<0) {
+      error_strerror(ret, errorbuf, sizeof(errorbuf));
+      failf(data, "Error reading ca cert path %s - PolarSSL: (-0x%04X) %s",
+            capath, -ret, errorbuf);
+
+      if(SSL_CONN_CONFIG(verifypeer))
+        return CURLE_SSL_CACERT_BADFILE;
+    }
+  }
+
+  /* Load the client certificate */
+  memset(&BACKEND->clicert, 0, sizeof(x509_crt));
+
+  if(SSL_SET_OPTION(cert)) {
+    ret = x509_crt_parse_file(&BACKEND->clicert,
+                              SSL_SET_OPTION(cert));
+
+    if(ret) {
+      error_strerror(ret, errorbuf, sizeof(errorbuf));
+      failf(data, "Error reading client cert file %s - PolarSSL: (-0x%04X) %s",
+            SSL_SET_OPTION(cert), -ret, errorbuf);
+
+      return CURLE_SSL_CERTPROBLEM;
+    }
+  }
+
+  /* Load the client private key */
+  if(SSL_SET_OPTION(key)) {
+    pk_context pk;
+    pk_init(&pk);
+    ret = pk_parse_keyfile(&pk, SSL_SET_OPTION(key),
+                           SSL_SET_OPTION(key_passwd));
+    if(ret == 0 && !pk_can_do(&pk, POLARSSL_PK_RSA))
+      ret = POLARSSL_ERR_PK_TYPE_MISMATCH;
+    if(ret == 0)
+      rsa_copy(&BACKEND->rsa, pk_rsa(pk));
+    else
+      rsa_free(&BACKEND->rsa);
+    pk_free(&pk);
+
+    if(ret) {
+      error_strerror(ret, errorbuf, sizeof(errorbuf));
+      failf(data, "Error reading private key %s - PolarSSL: (-0x%04X) %s",
+            SSL_SET_OPTION(key), -ret, errorbuf);
+
+      return CURLE_SSL_CERTPROBLEM;
+    }
+  }
+
+  /* Load the CRL */
+  memset(&BACKEND->crl, 0, sizeof(x509_crl));
+
+  if(SSL_SET_OPTION(CRLfile)) {
+    ret = x509_crl_parse_file(&BACKEND->crl,
+                              SSL_SET_OPTION(CRLfile));
+
+    if(ret) {
+      error_strerror(ret, errorbuf, sizeof(errorbuf));
+      failf(data, "Error reading CRL file %s - PolarSSL: (-0x%04X) %s",
+            SSL_SET_OPTION(CRLfile), -ret, errorbuf);
+
+      return CURLE_SSL_CRL_BADFILE;
+    }
+  }
+
+  infof(data, "PolarSSL: Connecting to %s:%d\n", hostname, port);
+
+  if(ssl_init(&BACKEND->ssl)) {
+    failf(data, "PolarSSL: ssl_init failed");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  switch(SSL_CONN_CONFIG(version)) {
+  case CURL_SSLVERSION_DEFAULT:
+  case CURL_SSLVERSION_TLSv1:
+    ssl_set_min_version(&BACKEND->ssl, SSL_MAJOR_VERSION_3,
+                        SSL_MINOR_VERSION_1);
+    break;
+  case CURL_SSLVERSION_SSLv3:
+    ssl_set_min_version(&BACKEND->ssl, SSL_MAJOR_VERSION_3,
+                        SSL_MINOR_VERSION_0);
+    ssl_set_max_version(&BACKEND->ssl, SSL_MAJOR_VERSION_3,
+                        SSL_MINOR_VERSION_0);
+    infof(data, "PolarSSL: Forced min. SSL Version to be SSLv3\n");
+    break;
+  case CURL_SSLVERSION_TLSv1_0:
+  case CURL_SSLVERSION_TLSv1_1:
+  case CURL_SSLVERSION_TLSv1_2:
+  case CURL_SSLVERSION_TLSv1_3:
+    {
+      CURLcode result = set_ssl_version_min_max(conn, sockindex);
+      if(result != CURLE_OK)
+        return result;
+      break;
+    }
+  default:
+    failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  ssl_set_endpoint(&BACKEND->ssl, SSL_IS_CLIENT);
+  ssl_set_authmode(&BACKEND->ssl, SSL_VERIFY_OPTIONAL);
+
+  ssl_set_rng(&BACKEND->ssl, ctr_drbg_random,
+              &BACKEND->ctr_drbg);
+  ssl_set_bio(&BACKEND->ssl,
+              net_recv, &conn->sock[sockindex],
+              net_send, &conn->sock[sockindex]);
+
+  ssl_set_ciphersuites(&BACKEND->ssl, ssl_list_ciphersuites());
+
+  /* Check if there's a cached ID we can/should use here! */
+  if(SSL_SET_OPTION(primary.sessionid)) {
+    void *old_session = NULL;
+
+    Curl_ssl_sessionid_lock(conn);
+    if(!Curl_ssl_getsessionid(conn, &old_session, NULL, sockindex)) {
+      ret = ssl_set_session(&BACKEND->ssl, old_session);
+      if(ret) {
+        Curl_ssl_sessionid_unlock(conn);
+        failf(data, "ssl_set_session returned -0x%x", -ret);
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      infof(data, "PolarSSL re-using session\n");
+    }
+    Curl_ssl_sessionid_unlock(conn);
+  }
+
+  ssl_set_ca_chain(&BACKEND->ssl,
+                   &BACKEND->cacert,
+                   &BACKEND->crl,
+                   hostname);
+
+  ssl_set_own_cert_rsa(&BACKEND->ssl,
+                       &BACKEND->clicert, &BACKEND->rsa);
+
+  if(ssl_set_hostname(&BACKEND->ssl, hostname)) {
+    /* ssl_set_hostname() sets the name to use in CN/SAN checks *and* the name
+       to set in the SNI extension. So even if curl connects to a host
+       specified as an IP address, this function must be used. */
+    failf(data, "couldn't set hostname in PolarSSL");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+#ifdef HAS_ALPN
+  if(conn->bits.tls_enable_alpn) {
+    static const char *protocols[3];
+    int cur = 0;
+
+#ifdef USE_NGHTTP2
+    if(data->set.httpversion >= CURL_HTTP_VERSION_2) {
+      protocols[cur++] = NGHTTP2_PROTO_VERSION_ID;
+      infof(data, "ALPN, offering %s\n", NGHTTP2_PROTO_VERSION_ID);
+    }
+#endif
+
+    protocols[cur++] = ALPN_HTTP_1_1;
+    infof(data, "ALPN, offering %s\n", ALPN_HTTP_1_1);
+
+    protocols[cur] = NULL;
+
+    ssl_set_alpn_protocols(&BACKEND->ssl, protocols);
+  }
+#endif
+
+#ifdef POLARSSL_DEBUG
+  ssl_set_dbg(&BACKEND->ssl, polarssl_debug, data);
+#endif
+
+  connssl->connecting_state = ssl_connect_2;
+
+  return CURLE_OK;
+}
+
+static CURLcode
+polarssl_connect_step2(struct connectdata *conn,
+                       int sockindex)
+{
+  int ret;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data* connssl = &conn->ssl[sockindex];
+  char buffer[1024];
+  const char * const pinnedpubkey = SSL_IS_PROXY() ?
+            data->set.str[STRING_SSL_PINNEDPUBLICKEY_PROXY] :
+            data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG];
+
+
+  char errorbuf[128];
+  errorbuf[0] = 0;
+
+  conn->recv[sockindex] = polarssl_recv;
+  conn->send[sockindex] = polarssl_send;
+
+  ret = ssl_handshake(&BACKEND->ssl);
+
+  switch(ret) {
+  case 0:
+    break;
+
+  case POLARSSL_ERR_NET_WANT_READ:
+    connssl->connecting_state = ssl_connect_2_reading;
+    return CURLE_OK;
+
+  case POLARSSL_ERR_NET_WANT_WRITE:
+    connssl->connecting_state = ssl_connect_2_writing;
+    return CURLE_OK;
+
+  default:
+    error_strerror(ret, errorbuf, sizeof(errorbuf));
+    failf(data, "ssl_handshake returned - PolarSSL: (-0x%04X) %s",
+          -ret, errorbuf);
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  infof(data, "PolarSSL: Handshake complete, cipher is %s\n",
+        ssl_get_ciphersuite(&BACKEND->ssl) );
+
+  ret = ssl_get_verify_result(&BACKEND->ssl);
+
+  if(ret && SSL_CONN_CONFIG(verifypeer)) {
+    if(ret & BADCERT_EXPIRED)
+      failf(data, "Cert verify failed: BADCERT_EXPIRED");
+
+    if(ret & BADCERT_REVOKED) {
+      failf(data, "Cert verify failed: BADCERT_REVOKED");
+      return CURLE_PEER_FAILED_VERIFICATION;
+    }
+
+    if(ret & BADCERT_CN_MISMATCH)
+      failf(data, "Cert verify failed: BADCERT_CN_MISMATCH");
+
+    if(ret & BADCERT_NOT_TRUSTED)
+      failf(data, "Cert verify failed: BADCERT_NOT_TRUSTED");
+
+    return CURLE_PEER_FAILED_VERIFICATION;
+  }
+
+  if(ssl_get_peer_cert(&(BACKEND->ssl))) {
+    /* If the session was resumed, there will be no peer certs */
+    memset(buffer, 0, sizeof(buffer));
+
+    if(x509_crt_info(buffer, sizeof(buffer), (char *)"* ",
+                     ssl_get_peer_cert(&(BACKEND->ssl))) != -1)
+      infof(data, "Dumping cert info:\n%s\n", buffer);
+  }
+
+  /* adapted from mbedtls.c */
+  if(pinnedpubkey) {
+    int size;
+    CURLcode result;
+    x509_crt *p;
+    unsigned char pubkey[PUB_DER_MAX_BYTES];
+    const x509_crt *peercert;
+
+    peercert = ssl_get_peer_cert(&BACKEND->ssl);
+
+    if(!peercert || !peercert->raw.p || !peercert->raw.len) {
+      failf(data, "Failed due to missing peer certificate");
+      return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+    }
+
+    p = calloc(1, sizeof(*p));
+
+    if(!p)
+      return CURLE_OUT_OF_MEMORY;
+
+    x509_crt_init(p);
+
+    /* Make a copy of our const peercert because pk_write_pubkey_der
+       needs a non-const key, for now.
+       https://github.com/ARMmbed/mbedtls/issues/396 */
+    if(x509_crt_parse_der(p, peercert->raw.p, peercert->raw.len)) {
+      failf(data, "Failed copying peer certificate");
+      x509_crt_free(p);
+      free(p);
+      return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+    }
+
+    size = pk_write_pubkey_der(&p->pk, pubkey, PUB_DER_MAX_BYTES);
+
+    if(size <= 0) {
+      failf(data, "Failed copying public key from peer certificate");
+      x509_crt_free(p);
+      free(p);
+      return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+    }
+
+    /* pk_write_pubkey_der writes data at the end of the buffer. */
+    result = Curl_pin_peer_pubkey(data,
+                                  pinnedpubkey,
+                                  &pubkey[PUB_DER_MAX_BYTES - size], size);
+    if(result) {
+      x509_crt_free(p);
+      free(p);
+      return result;
+    }
+
+    x509_crt_free(p);
+    free(p);
+  }
+
+#ifdef HAS_ALPN
+  if(conn->bits.tls_enable_alpn) {
+    const char *next_protocol = ssl_get_alpn_protocol(&BACKEND->ssl);
+
+    if(next_protocol != NULL) {
+      infof(data, "ALPN, server accepted to use %s\n", next_protocol);
+
+#ifdef USE_NGHTTP2
+      if(!strncmp(next_protocol, NGHTTP2_PROTO_VERSION_ID,
+                  NGHTTP2_PROTO_VERSION_ID_LEN)) {
+        conn->negnpn = CURL_HTTP_VERSION_2;
+      }
+      else
+#endif
+        if(!strncmp(next_protocol, ALPN_HTTP_1_1, ALPN_HTTP_1_1_LENGTH)) {
+          conn->negnpn = CURL_HTTP_VERSION_1_1;
+        }
+    }
+    else
+      infof(data, "ALPN, server did not agree to a protocol\n");
+  }
+#endif
+
+  connssl->connecting_state = ssl_connect_3;
+  infof(data, "SSL connected\n");
+
+  return CURLE_OK;
+}
+
+static CURLcode
+polarssl_connect_step3(struct connectdata *conn,
+                       int sockindex)
+{
+  CURLcode retcode = CURLE_OK;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  struct Curl_easy *data = conn->data;
+
+  DEBUGASSERT(ssl_connect_3 == connssl->connecting_state);
+
+  if(SSL_SET_OPTION(primary.sessionid)) {
+    int ret;
+    ssl_session *our_ssl_sessionid;
+    void *old_ssl_sessionid = NULL;
+
+    our_ssl_sessionid = calloc(1, sizeof(ssl_session));
+    if(!our_ssl_sessionid)
+      return CURLE_OUT_OF_MEMORY;
+
+    ret = ssl_get_session(&BACKEND->ssl, our_ssl_sessionid);
+    if(ret) {
+      failf(data, "ssl_get_session returned -0x%x", -ret);
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+
+    /* If there's already a matching session in the cache, delete it */
+    Curl_ssl_sessionid_lock(conn);
+    if(!Curl_ssl_getsessionid(conn, &old_ssl_sessionid, NULL, sockindex))
+      Curl_ssl_delsessionid(conn, old_ssl_sessionid);
+
+    retcode = Curl_ssl_addsessionid(conn, our_ssl_sessionid, 0, sockindex);
+    Curl_ssl_sessionid_unlock(conn);
+    if(retcode) {
+      free(our_ssl_sessionid);
+      failf(data, "failed to store ssl session");
+      return retcode;
+    }
+  }
+
+  connssl->connecting_state = ssl_connect_done;
+
+  return CURLE_OK;
+}
+
+static ssize_t polarssl_send(struct connectdata *conn,
+                             int sockindex,
+                             const void *mem,
+                             size_t len,
+                             CURLcode *curlcode)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  int ret = -1;
+
+  ret = ssl_write(&BACKEND->ssl,
+                  (unsigned char *)mem, len);
+
+  if(ret < 0) {
+    *curlcode = (ret == POLARSSL_ERR_NET_WANT_WRITE) ?
+      CURLE_AGAIN : CURLE_SEND_ERROR;
+    ret = -1;
+  }
+
+  return ret;
+}
+
+static void Curl_polarssl_close(struct connectdata *conn, int sockindex)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  rsa_free(&BACKEND->rsa);
+  x509_crt_free(&BACKEND->clicert);
+  x509_crt_free(&BACKEND->cacert);
+  x509_crl_free(&BACKEND->crl);
+  ssl_free(&BACKEND->ssl);
+}
+
+static ssize_t polarssl_recv(struct connectdata *conn,
+                             int num,
+                             char *buf,
+                             size_t buffersize,
+                             CURLcode *curlcode)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[num];
+  int ret = -1;
+  ssize_t len = -1;
+
+  memset(buf, 0, buffersize);
+  ret = ssl_read(&BACKEND->ssl, (unsigned char *)buf, buffersize);
+
+  if(ret <= 0) {
+    if(ret == POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY)
+      return 0;
+
+    *curlcode = (ret == POLARSSL_ERR_NET_WANT_READ) ?
+      CURLE_AGAIN : CURLE_RECV_ERROR;
+    return -1;
+  }
+
+  len = ret;
+
+  return len;
+}
+
+static void Curl_polarssl_session_free(void *ptr)
+{
+  ssl_session_free(ptr);
+  free(ptr);
+}
+
+/* 1.3.10 was the first rebranded version. All new releases (in 1.3 branch and
+   higher) will be mbed TLS branded.. */
+
+static size_t Curl_polarssl_version(char *buffer, size_t size)
+{
+  unsigned int version = version_get_number();
+  return msnprintf(buffer, size, "%s/%d.%d.%d",
+                   version >= 0x01030A00?"mbedTLS":"PolarSSL",
+                   version>>24, (version>>16)&0xff, (version>>8)&0xff);
+}
+
+static CURLcode
+polarssl_connect_common(struct connectdata *conn,
+                        int sockindex,
+                        bool nonblocking,
+                        bool *done)
+{
+  CURLcode result;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  curl_socket_t sockfd = conn->sock[sockindex];
+  long timeout_ms;
+  int what;
+
+  /* check if the connection has already been established */
+  if(ssl_connection_complete == connssl->state) {
+    *done = TRUE;
+    return CURLE_OK;
+  }
+
+  if(ssl_connect_1 == connssl->connecting_state) {
+    /* Find out how much more time we're allowed */
+    timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+    if(timeout_ms < 0) {
+      /* no need to continue if time already is up */
+      failf(data, "SSL connection timeout");
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+
+    result = polarssl_connect_step1(conn, sockindex);
+    if(result)
+      return result;
+  }
+
+  while(ssl_connect_2 == connssl->connecting_state ||
+        ssl_connect_2_reading == connssl->connecting_state ||
+        ssl_connect_2_writing == connssl->connecting_state) {
+
+    /* check allowed time left */
+    timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+    if(timeout_ms < 0) {
+      /* no need to continue if time already is up */
+      failf(data, "SSL connection timeout");
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+
+    /* if ssl is expecting something, check if it's available. */
+    if(connssl->connecting_state == ssl_connect_2_reading ||
+       connssl->connecting_state == ssl_connect_2_writing) {
+
+      curl_socket_t writefd = ssl_connect_2_writing ==
+        connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
+      curl_socket_t readfd = ssl_connect_2_reading ==
+        connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
+
+      what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
+                               nonblocking?0:timeout_ms);
+      if(what < 0) {
+        /* fatal error */
+        failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      else if(0 == what) {
+        if(nonblocking) {
+          *done = FALSE;
+          return CURLE_OK;
+        }
+        else {
+          /* timeout */
+          failf(data, "SSL connection timeout");
+          return CURLE_OPERATION_TIMEDOUT;
+        }
+      }
+      /* socket is readable or writable */
+    }
+
+    /* Run transaction, and return to the caller if it failed or if
+     * this connection is part of a multi handle and this loop would
+     * execute again. This permits the owner of a multi handle to
+     * abort a connection attempt before step2 has completed while
+     * ensuring that a client using select() or epoll() will always
+     * have a valid fdset to wait on.
+     */
+    result = polarssl_connect_step2(conn, sockindex);
+    if(result || (nonblocking &&
+                  (ssl_connect_2 == connssl->connecting_state ||
+                   ssl_connect_2_reading == connssl->connecting_state ||
+                   ssl_connect_2_writing == connssl->connecting_state)))
+      return result;
+
+  } /* repeat step2 until all transactions are done. */
+
+  if(ssl_connect_3 == connssl->connecting_state) {
+    result = polarssl_connect_step3(conn, sockindex);
+    if(result)
+      return result;
+  }
+
+  if(ssl_connect_done == connssl->connecting_state) {
+    connssl->state = ssl_connection_complete;
+    conn->recv[sockindex] = polarssl_recv;
+    conn->send[sockindex] = polarssl_send;
+    *done = TRUE;
+  }
+  else
+    *done = FALSE;
+
+  /* Reset our connect state machine */
+  connssl->connecting_state = ssl_connect_1;
+
+  return CURLE_OK;
+}
+
+static CURLcode Curl_polarssl_connect_nonblocking(struct connectdata *conn,
+                                                  int sockindex, bool *done)
+{
+  return polarssl_connect_common(conn, sockindex, TRUE, done);
+}
+
+
+static CURLcode Curl_polarssl_connect(struct connectdata *conn, int sockindex)
+{
+  CURLcode result;
+  bool done = FALSE;
+
+  result = polarssl_connect_common(conn, sockindex, FALSE, &done);
+  if(result)
+    return result;
+
+  DEBUGASSERT(done);
+
+  return CURLE_OK;
+}
+
+/*
+ * return 0 error initializing SSL
+ * return 1 SSL initialized successfully
+ */
+static int Curl_polarssl_init(void)
+{
+  return Curl_polarsslthreadlock_thread_setup();
+}
+
+static void Curl_polarssl_cleanup(void)
+{
+  (void)Curl_polarsslthreadlock_thread_cleanup();
+}
+
+static bool Curl_polarssl_data_pending(const struct connectdata *conn,
+                                       int sockindex)
+{
+  const struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  return ssl_get_bytes_avail(&BACKEND->ssl) != 0;
+}
+
+static CURLcode Curl_polarssl_sha256sum(const unsigned char *input,
+                                    size_t inputlen,
+                                    unsigned char *sha256sum,
+                                    size_t sha256len UNUSED_PARAM)
+{
+  (void)sha256len;
+  sha256(input, inputlen, sha256sum, 0);
+  return CURLE_OK;
+}
+
+static void *Curl_polarssl_get_internals(struct ssl_connect_data *connssl,
+                                         CURLINFO info UNUSED_PARAM)
+{
+  (void)info;
+  return &BACKEND->ssl;
+}
+
+const struct Curl_ssl Curl_ssl_polarssl = {
+  { CURLSSLBACKEND_POLARSSL, "polarssl" }, /* info */
+
+  SSLSUPP_CA_PATH |
+  SSLSUPP_PINNEDPUBKEY,
+
+  sizeof(struct ssl_backend_data),
+
+  Curl_polarssl_init,                /* init */
+  Curl_polarssl_cleanup,             /* cleanup */
+  Curl_polarssl_version,             /* version */
+  Curl_none_check_cxn,               /* check_cxn */
+  Curl_none_shutdown,                /* shutdown */
+  Curl_polarssl_data_pending,        /* data_pending */
+  /* This might cause libcurl to use a weeker random!
+   * TODO: use Polarssl's CTR-DRBG or HMAC-DRBG
+  */
+  Curl_none_random,                  /* random */
+  Curl_none_cert_status_request,     /* cert_status_request */
+  Curl_polarssl_connect,             /* connect */
+  Curl_polarssl_connect_nonblocking, /* connect_nonblocking */
+  Curl_polarssl_get_internals,       /* get_internals */
+  Curl_polarssl_close,               /* close_one */
+  Curl_none_close_all,               /* close_all */
+  Curl_polarssl_session_free,        /* session_free */
+  Curl_none_set_engine,              /* set_engine */
+  Curl_none_set_engine_default,      /* set_engine_default */
+  Curl_none_engines_list,            /* engines_list */
+  Curl_none_false_start,             /* false_start */
+  Curl_none_md5sum,                  /* md5sum */
+  Curl_polarssl_sha256sum            /* sha256sum */
+};
+
+#endif /* USE_POLARSSL */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/polarssl.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/polarssl.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/polarssl.h	(revision 85671)
@@ -0,0 +1,32 @@
+#ifndef HEADER_CURL_POLARSSL_H
+#define HEADER_CURL_POLARSSL_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2012 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2010, Hoi-Ho Chan, <hoiho.chan@gmail.com>
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#ifdef USE_POLARSSL
+
+extern const struct Curl_ssl Curl_ssl_polarssl;
+
+#endif /* USE_POLARSSL */
+#endif /* HEADER_CURL_POLARSSL_H */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/polarssl_threadlock.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/polarssl_threadlock.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/polarssl_threadlock.c	(revision 85671)
@@ -0,0 +1,153 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2013-2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2010, 2011, Hoi-Ho Chan, <hoiho.chan@gmail.com>
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#if (defined(USE_POLARSSL) || defined(USE_MBEDTLS)) && \
+    (defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32))
+
+#if defined(USE_THREADS_POSIX)
+#  ifdef HAVE_PTHREAD_H
+#    include <pthread.h>
+#  endif
+#elif defined(USE_THREADS_WIN32)
+#  ifdef HAVE_PROCESS_H
+#    include <process.h>
+#  endif
+#endif
+
+#include "polarssl_threadlock.h"
+#include "curl_printf.h"
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/* number of thread locks */
+#define NUMT                    2
+
+/* This array will store all of the mutexes available to PolarSSL. */
+static POLARSSL_MUTEX_T *mutex_buf = NULL;
+
+int Curl_polarsslthreadlock_thread_setup(void)
+{
+  int i;
+  int ret;
+
+  mutex_buf = calloc(NUMT * sizeof(POLARSSL_MUTEX_T), 1);
+  if(!mutex_buf)
+    return 0;     /* error, no number of threads defined */
+
+#ifdef HAVE_PTHREAD_H
+  for(i = 0;  i < NUMT;  i++) {
+    ret = pthread_mutex_init(&mutex_buf[i], NULL);
+    if(ret)
+      return 0; /* pthread_mutex_init failed */
+  }
+#elif defined(HAVE_PROCESS_H)
+  for(i = 0;  i < NUMT;  i++) {
+    mutex_buf[i] = CreateMutex(0, FALSE, 0);
+    if(mutex_buf[i] == 0)
+      return 0;  /* CreateMutex failed */
+  }
+#endif /* HAVE_PTHREAD_H */
+
+  return 1; /* OK */
+}
+
+int Curl_polarsslthreadlock_thread_cleanup(void)
+{
+  int i;
+  int ret;
+
+  if(!mutex_buf)
+    return 0; /* error, no threads locks defined */
+
+#ifdef HAVE_PTHREAD_H
+  for(i = 0; i < NUMT; i++) {
+    ret = pthread_mutex_destroy(&mutex_buf[i]);
+    if(ret)
+      return 0; /* pthread_mutex_destroy failed */
+  }
+#elif defined(HAVE_PROCESS_H)
+  for(i = 0; i < NUMT; i++) {
+    ret = CloseHandle(mutex_buf[i]);
+    if(!ret)
+      return 0; /* CloseHandle failed */
+  }
+#endif /* HAVE_PTHREAD_H */
+  free(mutex_buf);
+  mutex_buf = NULL;
+
+  return 1; /* OK */
+}
+
+int Curl_polarsslthreadlock_lock_function(int n)
+{
+  int ret;
+#ifdef HAVE_PTHREAD_H
+  if(n < NUMT) {
+    ret = pthread_mutex_lock(&mutex_buf[n]);
+    if(ret) {
+      DEBUGF(fprintf(stderr,
+                     "Error: polarsslthreadlock_lock_function failed\n"));
+      return 0; /* pthread_mutex_lock failed */
+    }
+  }
+#elif defined(HAVE_PROCESS_H)
+  if(n < NUMT) {
+    ret = (WaitForSingleObject(mutex_buf[n], INFINITE) == WAIT_FAILED?1:0);
+    if(ret) {
+      DEBUGF(fprintf(stderr,
+                     "Error: polarsslthreadlock_lock_function failed\n"));
+      return 0; /* pthread_mutex_lock failed */
+    }
+  }
+#endif /* HAVE_PTHREAD_H */
+  return 1; /* OK */
+}
+
+int Curl_polarsslthreadlock_unlock_function(int n)
+{
+  int ret;
+#ifdef HAVE_PTHREAD_H
+  if(n < NUMT) {
+    ret = pthread_mutex_unlock(&mutex_buf[n]);
+    if(ret) {
+      DEBUGF(fprintf(stderr,
+                     "Error: polarsslthreadlock_unlock_function failed\n"));
+      return 0; /* pthread_mutex_unlock failed */
+    }
+  }
+#elif defined(HAVE_PROCESS_H)
+  if(n < NUMT) {
+    ret = ReleaseMutex(mutex_buf[n]);
+    if(!ret) {
+      DEBUGF(fprintf(stderr,
+                     "Error: polarsslthreadlock_unlock_function failed\n"));
+      return 0; /* pthread_mutex_lock failed */
+    }
+  }
+#endif /* HAVE_PTHREAD_H */
+  return 1; /* OK */
+}
+
+#endif /* USE_POLARSSL || USE_MBEDTLS */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/polarssl_threadlock.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/polarssl_threadlock.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/polarssl_threadlock.h	(revision 85671)
@@ -0,0 +1,53 @@
+#ifndef HEADER_CURL_POLARSSL_THREADLOCK_H
+#define HEADER_CURL_POLARSSL_THREADLOCK_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2013-2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2010, Hoi-Ho Chan, <hoiho.chan@gmail.com>
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#if (defined USE_POLARSSL) || (defined USE_MBEDTLS)
+
+#if defined(USE_THREADS_POSIX)
+#  define POLARSSL_MUTEX_T       pthread_mutex_t
+#elif defined(USE_THREADS_WIN32)
+#  define POLARSSL_MUTEX_T       HANDLE
+#endif
+
+#if defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
+
+int Curl_polarsslthreadlock_thread_setup(void);
+int Curl_polarsslthreadlock_thread_cleanup(void);
+int Curl_polarsslthreadlock_lock_function(int n);
+int Curl_polarsslthreadlock_unlock_function(int n);
+
+#else
+
+#define Curl_polarsslthreadlock_thread_setup() 1
+#define Curl_polarsslthreadlock_thread_cleanup() 1
+#define Curl_polarsslthreadlock_lock_function(x) 1
+#define Curl_polarsslthreadlock_unlock_function(x) 1
+
+#endif /* USE_THREADS_POSIX || USE_THREADS_WIN32 */
+
+#endif /* USE_POLARSSL */
+
+#endif /* HEADER_CURL_POLARSSL_THREADLOCK_H */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/schannel.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/schannel.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/schannel.c	(revision 85671)
@@ -0,0 +1,2270 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2012 - 2016, Marc Hoersken, <info@marc-hoersken.de>
+ * Copyright (C) 2012, Mark Salisbury, <mark.salisbury@hp.com>
+ * Copyright (C) 2012 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Source file for all Schannel-specific code for the TLS/SSL layer. No code
+ * but vtls.c should ever call or use these functions.
+ */
+
+/*
+ * Based upon the PolarSSL implementation in polarssl.c and polarssl.h:
+ *   Copyright (C) 2010, 2011, Hoi-Ho Chan, <hoiho.chan@gmail.com>
+ *
+ * Based upon the CyaSSL implementation in cyassl.c and cyassl.h:
+ *   Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * Thanks for code and inspiration!
+ */
+
+#include "curl_setup.h"
+
+#ifdef USE_SCHANNEL
+
+#define EXPOSE_SCHANNEL_INTERNAL_STRUCTS
+
+#ifndef USE_WINDOWS_SSPI
+#  error "Can't compile SCHANNEL support without SSPI."
+#endif
+
+#include "schannel.h"
+#include "vtls.h"
+#include "sendf.h"
+#include "connect.h" /* for the connect timeout */
+#include "strerror.h"
+#include "select.h" /* for the socket readyness */
+#include "inet_pton.h" /* for IP addr SNI check */
+#include "curl_multibyte.h"
+#include "warnless.h"
+#include "x509asn1.h"
+#include "curl_printf.h"
+#include "system_win32.h"
+
+ /* The last #include file should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* ALPN requires version 8.1 of the Windows SDK, which was
+   shipped with Visual Studio 2013, aka _MSC_VER 1800:
+
+   https://technet.microsoft.com/en-us/library/hh831771%28v=ws.11%29.aspx
+*/
+#if defined(_MSC_VER) && (_MSC_VER >= 1800) && !defined(_USING_V110_SDK71_)
+#  define HAS_ALPN 1
+#endif
+
+#ifndef UNISP_NAME_A
+#define UNISP_NAME_A "Microsoft Unified Security Protocol Provider"
+#endif
+
+#ifndef UNISP_NAME_W
+#define UNISP_NAME_W L"Microsoft Unified Security Protocol Provider"
+#endif
+
+#ifndef UNISP_NAME
+#ifdef UNICODE
+#define UNISP_NAME  UNISP_NAME_W
+#else
+#define UNISP_NAME  UNISP_NAME_A
+#endif
+#endif
+
+#if defined(CryptStringToBinary) && defined(CRYPT_STRING_HEX)
+#define HAS_CLIENT_CERT_PATH
+#endif
+
+#ifdef HAS_CLIENT_CERT_PATH
+#ifdef UNICODE
+#define CURL_CERT_STORE_PROV_SYSTEM CERT_STORE_PROV_SYSTEM_W
+#else
+#define CURL_CERT_STORE_PROV_SYSTEM CERT_STORE_PROV_SYSTEM_A
+#endif
+#endif
+
+#ifndef SP_PROT_SSL2_CLIENT
+#define SP_PROT_SSL2_CLIENT             0x00000008
+#endif
+
+#ifndef SP_PROT_SSL3_CLIENT
+#define SP_PROT_SSL3_CLIENT             0x00000008
+#endif
+
+#ifndef SP_PROT_TLS1_CLIENT
+#define SP_PROT_TLS1_CLIENT             0x00000080
+#endif
+
+#ifndef SP_PROT_TLS1_0_CLIENT
+#define SP_PROT_TLS1_0_CLIENT           SP_PROT_TLS1_CLIENT
+#endif
+
+#ifndef SP_PROT_TLS1_1_CLIENT
+#define SP_PROT_TLS1_1_CLIENT           0x00000200
+#endif
+
+#ifndef SP_PROT_TLS1_2_CLIENT
+#define SP_PROT_TLS1_2_CLIENT           0x00000800
+#endif
+
+#ifndef SECBUFFER_ALERT
+#define SECBUFFER_ALERT                 17
+#endif
+
+/* Both schannel buffer sizes must be > 0 */
+#define CURL_SCHANNEL_BUFFER_INIT_SIZE   4096
+#define CURL_SCHANNEL_BUFFER_FREE_SIZE   1024
+
+#define CERT_THUMBPRINT_STR_LEN 40
+#define CERT_THUMBPRINT_DATA_LEN 20
+
+/* Uncomment to force verbose output
+ * #define infof(x, y, ...) printf(y, __VA_ARGS__)
+ * #define failf(x, y, ...) printf(y, __VA_ARGS__)
+ */
+
+#ifndef CALG_SHA_256
+#  define CALG_SHA_256 0x0000800c
+#endif
+
+#define BACKEND connssl->backend
+
+static Curl_recv schannel_recv;
+static Curl_send schannel_send;
+
+static CURLcode pkp_pin_peer_pubkey(struct connectdata *conn, int sockindex,
+                                    const char *pinnedpubkey);
+
+static void InitSecBuffer(SecBuffer *buffer, unsigned long BufType,
+                          void *BufDataPtr, unsigned long BufByteSize)
+{
+  buffer->cbBuffer = BufByteSize;
+  buffer->BufferType = BufType;
+  buffer->pvBuffer = BufDataPtr;
+}
+
+static void InitSecBufferDesc(SecBufferDesc *desc, SecBuffer *BufArr,
+                              unsigned long NumArrElem)
+{
+  desc->ulVersion = SECBUFFER_VERSION;
+  desc->pBuffers = BufArr;
+  desc->cBuffers = NumArrElem;
+}
+
+static CURLcode
+set_ssl_version_min_max(SCHANNEL_CRED *schannel_cred, struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+  long ssl_version = SSL_CONN_CONFIG(version);
+  long ssl_version_max = SSL_CONN_CONFIG(version_max);
+  long i = ssl_version;
+
+  switch(ssl_version_max) {
+    case CURL_SSLVERSION_MAX_NONE:
+    case CURL_SSLVERSION_MAX_DEFAULT:
+      ssl_version_max = CURL_SSLVERSION_MAX_TLSv1_2;
+      break;
+  }
+  for(; i <= (ssl_version_max >> 16); ++i) {
+    switch(i) {
+      case CURL_SSLVERSION_TLSv1_0:
+        schannel_cred->grbitEnabledProtocols |= SP_PROT_TLS1_0_CLIENT;
+        break;
+      case CURL_SSLVERSION_TLSv1_1:
+        schannel_cred->grbitEnabledProtocols |= SP_PROT_TLS1_1_CLIENT;
+        break;
+      case CURL_SSLVERSION_TLSv1_2:
+        schannel_cred->grbitEnabledProtocols |= SP_PROT_TLS1_2_CLIENT;
+        break;
+      case CURL_SSLVERSION_TLSv1_3:
+        failf(data, "schannel: TLS 1.3 is not yet supported");
+        return CURLE_SSL_CONNECT_ERROR;
+    }
+  }
+  return CURLE_OK;
+}
+
+/*longest is 26, buffer is slightly bigger*/
+#define LONGEST_ALG_ID 32
+#define CIPHEROPTION(X) \
+if(strcmp(#X, tmp) == 0) \
+  return X
+
+static int
+get_alg_id_by_name(char *name)
+{
+  char tmp[LONGEST_ALG_ID] = { 0 };
+  char *nameEnd = strchr(name, ':');
+  size_t n = nameEnd ? min((size_t)(nameEnd - name), LONGEST_ALG_ID - 1) : \
+    min(strlen(name), LONGEST_ALG_ID - 1);
+  strncpy(tmp, name, n);
+  tmp[n] = 0;
+  CIPHEROPTION(CALG_MD2);
+  CIPHEROPTION(CALG_MD4);
+  CIPHEROPTION(CALG_MD5);
+  CIPHEROPTION(CALG_SHA);
+  CIPHEROPTION(CALG_SHA1);
+  CIPHEROPTION(CALG_MAC);
+  CIPHEROPTION(CALG_RSA_SIGN);
+  CIPHEROPTION(CALG_DSS_SIGN);
+/*ifdefs for the options that are defined conditionally in wincrypt.h*/
+#ifdef CALG_NO_SIGN
+  CIPHEROPTION(CALG_NO_SIGN);
+#endif
+  CIPHEROPTION(CALG_RSA_KEYX);
+  CIPHEROPTION(CALG_DES);
+#ifdef CALG_3DES_112
+  CIPHEROPTION(CALG_3DES_112);
+#endif
+  CIPHEROPTION(CALG_3DES);
+  CIPHEROPTION(CALG_DESX);
+  CIPHEROPTION(CALG_RC2);
+  CIPHEROPTION(CALG_RC4);
+  CIPHEROPTION(CALG_SEAL);
+#ifdef CALG_DH_SF
+  CIPHEROPTION(CALG_DH_SF);
+#endif
+  CIPHEROPTION(CALG_DH_EPHEM);
+#ifdef CALG_AGREEDKEY_ANY
+  CIPHEROPTION(CALG_AGREEDKEY_ANY);
+#endif
+#ifdef CALG_HUGHES_MD5
+  CIPHEROPTION(CALG_HUGHES_MD5);
+#endif
+  CIPHEROPTION(CALG_SKIPJACK);
+#ifdef CALG_TEK
+  CIPHEROPTION(CALG_TEK);
+#endif
+  CIPHEROPTION(CALG_CYLINK_MEK);
+  CIPHEROPTION(CALG_SSL3_SHAMD5);
+#ifdef CALG_SSL3_MASTER
+  CIPHEROPTION(CALG_SSL3_MASTER);
+#endif
+#ifdef CALG_SCHANNEL_MASTER_HASH
+  CIPHEROPTION(CALG_SCHANNEL_MASTER_HASH);
+#endif
+#ifdef CALG_SCHANNEL_MAC_KEY
+  CIPHEROPTION(CALG_SCHANNEL_MAC_KEY);
+#endif
+#ifdef CALG_SCHANNEL_ENC_KEY
+  CIPHEROPTION(CALG_SCHANNEL_ENC_KEY);
+#endif
+#ifdef CALG_PCT1_MASTER
+  CIPHEROPTION(CALG_PCT1_MASTER);
+#endif
+#ifdef CALG_SSL2_MASTER
+  CIPHEROPTION(CALG_SSL2_MASTER);
+#endif
+#ifdef CALG_TLS1_MASTER
+  CIPHEROPTION(CALG_TLS1_MASTER);
+#endif
+#ifdef CALG_RC5
+  CIPHEROPTION(CALG_RC5);
+#endif
+#ifdef CALG_HMAC
+  CIPHEROPTION(CALG_HMAC);
+#endif
+#if !defined(__W32API_MAJOR_VERSION) || \
+    !defined(__W32API_MINOR_VERSION) || \
+    defined(__MINGW64_VERSION_MAJOR) || \
+    (__W32API_MAJOR_VERSION > 5)     || \
+    ((__W32API_MAJOR_VERSION == 5) && (__W32API_MINOR_VERSION > 0))
+  /* CALG_TLS1PRF has a syntax error in MinGW's w32api up to version 5.0,
+     see https://osdn.net/projects/mingw/ticket/38391 */
+  CIPHEROPTION(CALG_TLS1PRF);
+#endif
+#ifdef CALG_HASH_REPLACE_OWF
+  CIPHEROPTION(CALG_HASH_REPLACE_OWF);
+#endif
+#ifdef CALG_AES_128
+  CIPHEROPTION(CALG_AES_128);
+#endif
+#ifdef CALG_AES_192
+  CIPHEROPTION(CALG_AES_192);
+#endif
+#ifdef CALG_AES_256
+  CIPHEROPTION(CALG_AES_256);
+#endif
+#ifdef CALG_AES
+  CIPHEROPTION(CALG_AES);
+#endif
+#ifdef CALG_SHA_256
+  CIPHEROPTION(CALG_SHA_256);
+#endif
+#ifdef CALG_SHA_384
+  CIPHEROPTION(CALG_SHA_384);
+#endif
+#ifdef CALG_SHA_512
+  CIPHEROPTION(CALG_SHA_512);
+#endif
+#ifdef CALG_ECDH
+  CIPHEROPTION(CALG_ECDH);
+#endif
+#ifdef CALG_ECMQV
+  CIPHEROPTION(CALG_ECMQV);
+#endif
+#ifdef CALG_ECDSA
+  CIPHEROPTION(CALG_ECDSA);
+#endif
+  return 0;
+}
+
+static CURLcode
+set_ssl_ciphers(SCHANNEL_CRED *schannel_cred, char *ciphers)
+{
+  char *startCur = ciphers;
+  int algCount = 0;
+  static ALG_ID algIds[45]; /*There are 45 listed in the MS headers*/
+  while(startCur && (0 != *startCur) && (algCount < 45)) {
+    long alg = strtol(startCur, 0, 0);
+    if(!alg)
+      alg = get_alg_id_by_name(startCur);
+    if(alg)
+      algIds[algCount++] = alg;
+    else
+      return CURLE_SSL_CIPHER;
+    startCur = strchr(startCur, ':');
+    if(startCur)
+      startCur++;
+  }
+    schannel_cred->palgSupportedAlgs = algIds;
+  schannel_cred->cSupportedAlgs = algCount;
+  return CURLE_OK;
+}
+
+#ifdef HAS_CLIENT_CERT_PATH
+static CURLcode
+get_cert_location(TCHAR *path, DWORD *store_name, TCHAR **store_path,
+                  TCHAR **thumbprint)
+{
+  TCHAR *sep;
+  TCHAR *store_path_start;
+  size_t store_name_len;
+
+  sep = _tcschr(path, TEXT('\\'));
+  if(sep == NULL)
+    return CURLE_SSL_CERTPROBLEM;
+
+  store_name_len = sep - path;
+
+  if(_tcsnccmp(path, TEXT("CurrentUser"), store_name_len) == 0)
+    *store_name = CERT_SYSTEM_STORE_CURRENT_USER;
+  else if(_tcsnccmp(path, TEXT("LocalMachine"), store_name_len) == 0)
+    *store_name = CERT_SYSTEM_STORE_LOCAL_MACHINE;
+  else if(_tcsnccmp(path, TEXT("CurrentService"), store_name_len) == 0)
+    *store_name = CERT_SYSTEM_STORE_CURRENT_SERVICE;
+  else if(_tcsnccmp(path, TEXT("Services"), store_name_len) == 0)
+    *store_name = CERT_SYSTEM_STORE_SERVICES;
+  else if(_tcsnccmp(path, TEXT("Users"), store_name_len) == 0)
+    *store_name = CERT_SYSTEM_STORE_USERS;
+  else if(_tcsnccmp(path, TEXT("CurrentUserGroupPolicy"),
+                    store_name_len) == 0)
+    *store_name = CERT_SYSTEM_STORE_CURRENT_USER_GROUP_POLICY;
+  else if(_tcsnccmp(path, TEXT("LocalMachineGroupPolicy"),
+                    store_name_len) == 0)
+    *store_name = CERT_SYSTEM_STORE_LOCAL_MACHINE_GROUP_POLICY;
+  else if(_tcsnccmp(path, TEXT("LocalMachineEnterprise"),
+                    store_name_len) == 0)
+    *store_name = CERT_SYSTEM_STORE_LOCAL_MACHINE_ENTERPRISE;
+  else
+    return CURLE_SSL_CERTPROBLEM;
+
+  store_path_start = sep + 1;
+
+  sep = _tcschr(store_path_start, TEXT('\\'));
+  if(sep == NULL)
+    return CURLE_SSL_CERTPROBLEM;
+
+  *sep = TEXT('\0');
+  *store_path = _tcsdup(store_path_start);
+  *sep = TEXT('\\');
+  if(*store_path == NULL)
+    return CURLE_OUT_OF_MEMORY;
+
+  *thumbprint = sep + 1;
+  if(_tcslen(*thumbprint) != CERT_THUMBPRINT_STR_LEN)
+    return CURLE_SSL_CERTPROBLEM;
+
+  return CURLE_OK;
+}
+#endif
+
+static CURLcode
+schannel_connect_step1(struct connectdata *conn, int sockindex)
+{
+  ssize_t written = -1;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  SecBuffer outbuf;
+  SecBufferDesc outbuf_desc;
+  SecBuffer inbuf;
+  SecBufferDesc inbuf_desc;
+#ifdef HAS_ALPN
+  unsigned char alpn_buffer[128];
+#endif
+  SCHANNEL_CRED schannel_cred;
+  PCCERT_CONTEXT client_certs[1] = { NULL };
+  SECURITY_STATUS sspi_status = SEC_E_OK;
+  struct curl_schannel_cred *old_cred = NULL;
+  struct in_addr addr;
+#ifdef ENABLE_IPV6
+  struct in6_addr addr6;
+#endif
+  TCHAR *host_name;
+  CURLcode result;
+  char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
+    conn->host.name;
+
+  infof(data, "schannel: SSL/TLS connection with %s port %hu (step 1/3)\n",
+        hostname, conn->remote_port);
+
+  if(Curl_verify_windows_version(5, 1, PLATFORM_WINNT,
+                                 VERSION_LESS_THAN_EQUAL)) {
+     /* Schannel in Windows XP (OS version 5.1) uses legacy handshakes and
+        algorithms that may not be supported by all servers. */
+     infof(data, "schannel: Windows version is old and may not be able to "
+           "connect to some servers due to lack of SNI, algorithms, etc.\n");
+  }
+
+#ifdef HAS_ALPN
+  /* ALPN is only supported on Windows 8.1 / Server 2012 R2 and above.
+     Also it doesn't seem to be supported for Wine, see curl bug #983. */
+  BACKEND->use_alpn = conn->bits.tls_enable_alpn &&
+                      !GetProcAddress(GetModuleHandleA("ntdll"),
+                                      "wine_get_version") &&
+                      Curl_verify_windows_version(6, 3, PLATFORM_WINNT,
+                                                  VERSION_GREATER_THAN_EQUAL);
+#else
+  BACKEND->use_alpn = false;
+#endif
+
+#ifdef _WIN32_WCE
+#ifdef HAS_MANUAL_VERIFY_API
+  /* certificate validation on CE doesn't seem to work right; we'll
+   * do it following a more manual process. */
+  BACKEND->use_manual_cred_validation = true;
+#else
+#error "compiler too old to support requisite manual cert verify for Win CE"
+#endif
+#else
+#ifdef HAS_MANUAL_VERIFY_API
+  if(SSL_CONN_CONFIG(CAfile)) {
+    if(Curl_verify_windows_version(6, 1, PLATFORM_WINNT,
+                                   VERSION_GREATER_THAN_EQUAL)) {
+      BACKEND->use_manual_cred_validation = true;
+    }
+    else {
+      failf(data, "schannel: this version of Windows is too old to support "
+            "certificate verification via CA bundle file.");
+      return CURLE_SSL_CACERT_BADFILE;
+    }
+  }
+  else
+    BACKEND->use_manual_cred_validation = false;
+#else
+  if(SSL_CONN_CONFIG(CAfile)) {
+    failf(data, "schannel: CA cert support not built in");
+    return CURLE_NOT_BUILT_IN;
+  }
+#endif
+#endif
+
+  BACKEND->cred = NULL;
+
+  /* check for an existing re-usable credential handle */
+  if(SSL_SET_OPTION(primary.sessionid)) {
+    Curl_ssl_sessionid_lock(conn);
+    if(!Curl_ssl_getsessionid(conn, (void **)&old_cred, NULL, sockindex)) {
+      BACKEND->cred = old_cred;
+      infof(data, "schannel: re-using existing credential handle\n");
+
+      /* increment the reference counter of the credential/session handle */
+      BACKEND->cred->refcount++;
+      infof(data, "schannel: incremented credential handle refcount = %d\n",
+            BACKEND->cred->refcount);
+    }
+    Curl_ssl_sessionid_unlock(conn);
+  }
+
+  if(!BACKEND->cred) {
+    /* setup Schannel API options */
+    memset(&schannel_cred, 0, sizeof(schannel_cred));
+    schannel_cred.dwVersion = SCHANNEL_CRED_VERSION;
+
+    if(conn->ssl_config.verifypeer) {
+#ifdef HAS_MANUAL_VERIFY_API
+      if(BACKEND->use_manual_cred_validation)
+        schannel_cred.dwFlags = SCH_CRED_MANUAL_CRED_VALIDATION;
+      else
+#endif
+        schannel_cred.dwFlags = SCH_CRED_AUTO_CRED_VALIDATION;
+
+      /* TODO s/data->set.ssl.no_revoke/SSL_SET_OPTION(no_revoke)/g */
+      if(data->set.ssl.no_revoke) {
+        schannel_cred.dwFlags |= SCH_CRED_IGNORE_NO_REVOCATION_CHECK |
+          SCH_CRED_IGNORE_REVOCATION_OFFLINE;
+
+        infof(data, "schannel: disabled server certificate revocation "
+                    "checks\n");
+      }
+      else {
+        schannel_cred.dwFlags |= SCH_CRED_REVOCATION_CHECK_CHAIN;
+        infof(data, "schannel: checking server certificate revocation\n");
+      }
+    }
+    else {
+      schannel_cred.dwFlags = SCH_CRED_MANUAL_CRED_VALIDATION |
+        SCH_CRED_IGNORE_NO_REVOCATION_CHECK |
+        SCH_CRED_IGNORE_REVOCATION_OFFLINE;
+      infof(data, "schannel: disabled server certificate revocation checks\n");
+    }
+
+    if(!conn->ssl_config.verifyhost) {
+      schannel_cred.dwFlags |= SCH_CRED_NO_SERVERNAME_CHECK;
+      infof(data, "schannel: verifyhost setting prevents Schannel from "
+            "comparing the supplied target name with the subject "
+            "names in server certificates.\n");
+    }
+
+    switch(conn->ssl_config.version) {
+    case CURL_SSLVERSION_DEFAULT:
+    case CURL_SSLVERSION_TLSv1:
+      schannel_cred.grbitEnabledProtocols = SP_PROT_TLS1_0_CLIENT |
+        SP_PROT_TLS1_1_CLIENT |
+        SP_PROT_TLS1_2_CLIENT;
+      break;
+    case CURL_SSLVERSION_TLSv1_0:
+    case CURL_SSLVERSION_TLSv1_1:
+    case CURL_SSLVERSION_TLSv1_2:
+    case CURL_SSLVERSION_TLSv1_3:
+      {
+        result = set_ssl_version_min_max(&schannel_cred, conn);
+        if(result != CURLE_OK)
+          return result;
+        break;
+      }
+    case CURL_SSLVERSION_SSLv3:
+      schannel_cred.grbitEnabledProtocols = SP_PROT_SSL3_CLIENT;
+      break;
+    case CURL_SSLVERSION_SSLv2:
+      schannel_cred.grbitEnabledProtocols = SP_PROT_SSL2_CLIENT;
+      break;
+    default:
+      failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+
+    if(SSL_CONN_CONFIG(cipher_list)) {
+      result = set_ssl_ciphers(&schannel_cred, SSL_CONN_CONFIG(cipher_list));
+      if(CURLE_OK != result) {
+        failf(data, "Unable to set ciphers to passed via SSL_CONN_CONFIG");
+        return result;
+      }
+    }
+
+
+#ifdef HAS_CLIENT_CERT_PATH
+    /* client certificate */
+    if(data->set.ssl.cert) {
+      DWORD cert_store_name;
+      TCHAR *cert_store_path;
+      TCHAR *cert_thumbprint_str;
+      CRYPT_HASH_BLOB cert_thumbprint;
+      BYTE cert_thumbprint_data[CERT_THUMBPRINT_DATA_LEN];
+      HCERTSTORE cert_store;
+
+      TCHAR *cert_path = Curl_convert_UTF8_to_tchar(data->set.ssl.cert);
+      if(!cert_path)
+        return CURLE_OUT_OF_MEMORY;
+
+      result = get_cert_location(cert_path, &cert_store_name,
+                                 &cert_store_path, &cert_thumbprint_str);
+      if(result != CURLE_OK) {
+        failf(data, "schannel: Failed to get certificate location for %s",
+              cert_path);
+        Curl_unicodefree(cert_path);
+        return result;
+      }
+
+      cert_store =
+        CertOpenStore(CURL_CERT_STORE_PROV_SYSTEM, 0,
+                      (HCRYPTPROV)NULL,
+                      CERT_STORE_OPEN_EXISTING_FLAG | cert_store_name,
+                      cert_store_path);
+      if(!cert_store) {
+        failf(data, "schannel: Failed to open cert store %x %s, "
+              "last error is %x",
+              cert_store_name, cert_store_path, GetLastError());
+        free(cert_store_path);
+        Curl_unicodefree(cert_path);
+        return CURLE_SSL_CERTPROBLEM;
+      }
+      free(cert_store_path);
+
+      cert_thumbprint.pbData = cert_thumbprint_data;
+      cert_thumbprint.cbData = CERT_THUMBPRINT_DATA_LEN;
+
+      if(!CryptStringToBinary(cert_thumbprint_str, CERT_THUMBPRINT_STR_LEN,
+                              CRYPT_STRING_HEX,
+                              cert_thumbprint_data, &cert_thumbprint.cbData,
+                              NULL, NULL)) {
+        Curl_unicodefree(cert_path);
+        return CURLE_SSL_CERTPROBLEM;
+      }
+
+      client_certs[0] = CertFindCertificateInStore(
+        cert_store, X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, 0,
+        CERT_FIND_HASH, &cert_thumbprint, NULL);
+
+      Curl_unicodefree(cert_path);
+
+      if(client_certs[0]) {
+        schannel_cred.cCreds = 1;
+        schannel_cred.paCred = client_certs;
+      }
+      else {
+        /* CRYPT_E_NOT_FOUND / E_INVALIDARG */
+        return CURLE_SSL_CERTPROBLEM;
+      }
+
+      CertCloseStore(cert_store, 0);
+    }
+#else
+    if(data->set.ssl.cert) {
+      failf(data, "schannel: client cert support not built in");
+      return CURLE_NOT_BUILT_IN;
+    }
+#endif
+
+    /* allocate memory for the re-usable credential handle */
+    BACKEND->cred = (struct curl_schannel_cred *)
+      calloc(1, sizeof(struct curl_schannel_cred));
+    if(!BACKEND->cred) {
+      failf(data, "schannel: unable to allocate memory");
+
+      if(client_certs[0])
+        CertFreeCertificateContext(client_certs[0]);
+
+      return CURLE_OUT_OF_MEMORY;
+    }
+    BACKEND->cred->refcount = 1;
+
+    /* https://msdn.microsoft.com/en-us/library/windows/desktop/aa374716.aspx
+       */
+    sspi_status =
+      s_pSecFn->AcquireCredentialsHandle(NULL, (TCHAR *)UNISP_NAME,
+                                         SECPKG_CRED_OUTBOUND, NULL,
+                                         &schannel_cred, NULL, NULL,
+                                         &BACKEND->cred->cred_handle,
+                                         &BACKEND->cred->time_stamp);
+
+    if(client_certs[0])
+      CertFreeCertificateContext(client_certs[0]);
+
+    if(sspi_status != SEC_E_OK) {
+      failf(data, "schannel: AcquireCredentialsHandle failed: %s",
+            Curl_sspi_strerror(conn, sspi_status));
+      Curl_safefree(BACKEND->cred);
+      switch(sspi_status) {
+        case SEC_E_INSUFFICIENT_MEMORY:
+          return CURLE_OUT_OF_MEMORY;
+        case SEC_E_NO_CREDENTIALS:
+        case SEC_E_SECPKG_NOT_FOUND:
+        case SEC_E_NOT_OWNER:
+        case SEC_E_UNKNOWN_CREDENTIALS:
+        case SEC_E_INTERNAL_ERROR:
+        default:
+          return CURLE_SSL_CONNECT_ERROR;
+      }
+    }
+  }
+
+  /* Warn if SNI is disabled due to use of an IP address */
+  if(Curl_inet_pton(AF_INET, hostname, &addr)
+#ifdef ENABLE_IPV6
+     || Curl_inet_pton(AF_INET6, hostname, &addr6)
+#endif
+    ) {
+    infof(data, "schannel: using IP address, SNI is not supported by OS.\n");
+  }
+
+#ifdef HAS_ALPN
+  if(BACKEND->use_alpn) {
+    int cur = 0;
+    int list_start_index = 0;
+    unsigned int *extension_len = NULL;
+    unsigned short* list_len = NULL;
+
+    /* The first four bytes will be an unsigned int indicating number
+       of bytes of data in the rest of the the buffer. */
+    extension_len = (unsigned int *)(&alpn_buffer[cur]);
+    cur += sizeof(unsigned int);
+
+    /* The next four bytes are an indicator that this buffer will contain
+       ALPN data, as opposed to NPN, for example. */
+    *(unsigned int *)&alpn_buffer[cur] =
+      SecApplicationProtocolNegotiationExt_ALPN;
+    cur += sizeof(unsigned int);
+
+    /* The next two bytes will be an unsigned short indicating the number
+       of bytes used to list the preferred protocols. */
+    list_len = (unsigned short*)(&alpn_buffer[cur]);
+    cur += sizeof(unsigned short);
+
+    list_start_index = cur;
+
+#ifdef USE_NGHTTP2
+    if(data->set.httpversion >= CURL_HTTP_VERSION_2) {
+      memcpy(&alpn_buffer[cur], NGHTTP2_PROTO_ALPN, NGHTTP2_PROTO_ALPN_LEN);
+      cur += NGHTTP2_PROTO_ALPN_LEN;
+      infof(data, "schannel: ALPN, offering %s\n", NGHTTP2_PROTO_VERSION_ID);
+    }
+#endif
+
+    alpn_buffer[cur++] = ALPN_HTTP_1_1_LENGTH;
+    memcpy(&alpn_buffer[cur], ALPN_HTTP_1_1, ALPN_HTTP_1_1_LENGTH);
+    cur += ALPN_HTTP_1_1_LENGTH;
+    infof(data, "schannel: ALPN, offering %s\n", ALPN_HTTP_1_1);
+
+    *list_len = curlx_uitous(cur - list_start_index);
+    *extension_len = *list_len + sizeof(unsigned int) + sizeof(unsigned short);
+
+    InitSecBuffer(&inbuf, SECBUFFER_APPLICATION_PROTOCOLS, alpn_buffer, cur);
+    InitSecBufferDesc(&inbuf_desc, &inbuf, 1);
+  }
+  else {
+    InitSecBuffer(&inbuf, SECBUFFER_EMPTY, NULL, 0);
+    InitSecBufferDesc(&inbuf_desc, &inbuf, 1);
+  }
+#else /* HAS_ALPN */
+  InitSecBuffer(&inbuf, SECBUFFER_EMPTY, NULL, 0);
+  InitSecBufferDesc(&inbuf_desc, &inbuf, 1);
+#endif
+
+  /* setup output buffer */
+  InitSecBuffer(&outbuf, SECBUFFER_EMPTY, NULL, 0);
+  InitSecBufferDesc(&outbuf_desc, &outbuf, 1);
+
+  /* setup request flags */
+  BACKEND->req_flags = ISC_REQ_SEQUENCE_DETECT | ISC_REQ_REPLAY_DETECT |
+    ISC_REQ_CONFIDENTIALITY | ISC_REQ_ALLOCATE_MEMORY |
+    ISC_REQ_STREAM;
+
+  /* allocate memory for the security context handle */
+  BACKEND->ctxt = (struct curl_schannel_ctxt *)
+    calloc(1, sizeof(struct curl_schannel_ctxt));
+  if(!BACKEND->ctxt) {
+    failf(data, "schannel: unable to allocate memory");
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  host_name = Curl_convert_UTF8_to_tchar(hostname);
+  if(!host_name)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Schannel InitializeSecurityContext:
+     https://msdn.microsoft.com/en-us/library/windows/desktop/aa375924.aspx
+
+     At the moment we don't pass inbuf unless we're using ALPN since we only
+     use it for that, and Wine (for which we currently disable ALPN) is giving
+     us problems with inbuf regardless. https://github.com/curl/curl/issues/983
+  */
+  sspi_status = s_pSecFn->InitializeSecurityContext(
+    &BACKEND->cred->cred_handle, NULL, host_name, BACKEND->req_flags, 0, 0,
+    (BACKEND->use_alpn ? &inbuf_desc : NULL),
+    0, &BACKEND->ctxt->ctxt_handle,
+    &outbuf_desc, &BACKEND->ret_flags, &BACKEND->ctxt->time_stamp);
+
+  Curl_unicodefree(host_name);
+
+  if(sspi_status != SEC_I_CONTINUE_NEEDED) {
+    Curl_safefree(BACKEND->ctxt);
+    switch(sspi_status) {
+      case SEC_E_INSUFFICIENT_MEMORY:
+        failf(data, "schannel: initial InitializeSecurityContext failed: %s",
+              Curl_sspi_strerror(conn, sspi_status));
+        return CURLE_OUT_OF_MEMORY;
+      case SEC_E_WRONG_PRINCIPAL:
+        failf(data, "schannel: SNI or certificate check failed: %s",
+              Curl_sspi_strerror(conn, sspi_status));
+        return CURLE_PEER_FAILED_VERIFICATION;
+        /*
+      case SEC_E_INVALID_HANDLE:
+      case SEC_E_INVALID_TOKEN:
+      case SEC_E_LOGON_DENIED:
+      case SEC_E_TARGET_UNKNOWN:
+      case SEC_E_NO_AUTHENTICATING_AUTHORITY:
+      case SEC_E_INTERNAL_ERROR:
+      case SEC_E_NO_CREDENTIALS:
+      case SEC_E_UNSUPPORTED_FUNCTION:
+      case SEC_E_APPLICATION_PROTOCOL_MISMATCH:
+        */
+      default:
+        failf(data, "schannel: initial InitializeSecurityContext failed: %s",
+              Curl_sspi_strerror(conn, sspi_status));
+        return CURLE_SSL_CONNECT_ERROR;
+    }
+  }
+
+  infof(data, "schannel: sending initial handshake data: "
+        "sending %lu bytes...\n", outbuf.cbBuffer);
+
+  /* send initial handshake data which is now stored in output buffer */
+  result = Curl_write_plain(conn, conn->sock[sockindex], outbuf.pvBuffer,
+                            outbuf.cbBuffer, &written);
+  s_pSecFn->FreeContextBuffer(outbuf.pvBuffer);
+  if((result != CURLE_OK) || (outbuf.cbBuffer != (size_t) written)) {
+    failf(data, "schannel: failed to send initial handshake data: "
+          "sent %zd of %lu bytes", written, outbuf.cbBuffer);
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+  infof(data, "schannel: sent initial handshake data: "
+        "sent %zd bytes\n", written);
+
+  BACKEND->recv_unrecoverable_err = CURLE_OK;
+  BACKEND->recv_sspi_close_notify = false;
+  BACKEND->recv_connection_closed = false;
+  BACKEND->encdata_is_incomplete = false;
+
+  /* continue to second handshake step */
+  connssl->connecting_state = ssl_connect_2;
+
+  return CURLE_OK;
+}
+
+static CURLcode
+schannel_connect_step2(struct connectdata *conn, int sockindex)
+{
+  int i;
+  ssize_t nread = -1, written = -1;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  unsigned char *reallocated_buffer;
+  size_t reallocated_length;
+  SecBuffer outbuf[3];
+  SecBufferDesc outbuf_desc;
+  SecBuffer inbuf[2];
+  SecBufferDesc inbuf_desc;
+  SECURITY_STATUS sspi_status = SEC_E_OK;
+  TCHAR *host_name;
+  CURLcode result;
+  bool doread;
+  char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
+    conn->host.name;
+  const char *pubkey_ptr;
+
+  doread = (connssl->connecting_state != ssl_connect_2_writing) ? TRUE : FALSE;
+
+  infof(data, "schannel: SSL/TLS connection with %s port %hu (step 2/3)\n",
+        hostname, conn->remote_port);
+
+  if(!BACKEND->cred || !BACKEND->ctxt)
+    return CURLE_SSL_CONNECT_ERROR;
+
+  /* buffer to store previously received and decrypted data */
+  if(BACKEND->decdata_buffer == NULL) {
+    BACKEND->decdata_offset = 0;
+    BACKEND->decdata_length = CURL_SCHANNEL_BUFFER_INIT_SIZE;
+    BACKEND->decdata_buffer = malloc(BACKEND->decdata_length);
+    if(BACKEND->decdata_buffer == NULL) {
+      failf(data, "schannel: unable to allocate memory");
+      return CURLE_OUT_OF_MEMORY;
+    }
+  }
+
+  /* buffer to store previously received and encrypted data */
+  if(BACKEND->encdata_buffer == NULL) {
+    BACKEND->encdata_is_incomplete = false;
+    BACKEND->encdata_offset = 0;
+    BACKEND->encdata_length = CURL_SCHANNEL_BUFFER_INIT_SIZE;
+    BACKEND->encdata_buffer = malloc(BACKEND->encdata_length);
+    if(BACKEND->encdata_buffer == NULL) {
+      failf(data, "schannel: unable to allocate memory");
+      return CURLE_OUT_OF_MEMORY;
+    }
+  }
+
+  /* if we need a bigger buffer to read a full message, increase buffer now */
+  if(BACKEND->encdata_length - BACKEND->encdata_offset <
+     CURL_SCHANNEL_BUFFER_FREE_SIZE) {
+    /* increase internal encrypted data buffer */
+    reallocated_length = BACKEND->encdata_offset +
+      CURL_SCHANNEL_BUFFER_FREE_SIZE;
+    reallocated_buffer = realloc(BACKEND->encdata_buffer,
+                                 reallocated_length);
+
+    if(reallocated_buffer == NULL) {
+      failf(data, "schannel: unable to re-allocate memory");
+      return CURLE_OUT_OF_MEMORY;
+    }
+    else {
+      BACKEND->encdata_buffer = reallocated_buffer;
+      BACKEND->encdata_length = reallocated_length;
+    }
+  }
+
+  for(;;) {
+    if(doread) {
+      /* read encrypted handshake data from socket */
+      result = Curl_read_plain(conn->sock[sockindex],
+                               (char *) (BACKEND->encdata_buffer +
+                                         BACKEND->encdata_offset),
+                               BACKEND->encdata_length -
+                               BACKEND->encdata_offset,
+                               &nread);
+      if(result == CURLE_AGAIN) {
+        if(connssl->connecting_state != ssl_connect_2_writing)
+          connssl->connecting_state = ssl_connect_2_reading;
+        infof(data, "schannel: failed to receive handshake, "
+              "need more data\n");
+        return CURLE_OK;
+      }
+      else if((result != CURLE_OK) || (nread == 0)) {
+        failf(data, "schannel: failed to receive handshake, "
+              "SSL/TLS connection failed");
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+
+      /* increase encrypted data buffer offset */
+      BACKEND->encdata_offset += nread;
+      BACKEND->encdata_is_incomplete = false;
+      infof(data, "schannel: encrypted data got %zd\n", nread);
+    }
+
+    infof(data, "schannel: encrypted data buffer: offset %zu length %zu\n",
+          BACKEND->encdata_offset, BACKEND->encdata_length);
+
+    /* setup input buffers */
+    InitSecBuffer(&inbuf[0], SECBUFFER_TOKEN, malloc(BACKEND->encdata_offset),
+                  curlx_uztoul(BACKEND->encdata_offset));
+    InitSecBuffer(&inbuf[1], SECBUFFER_EMPTY, NULL, 0);
+    InitSecBufferDesc(&inbuf_desc, inbuf, 2);
+
+    /* setup output buffers */
+    InitSecBuffer(&outbuf[0], SECBUFFER_TOKEN, NULL, 0);
+    InitSecBuffer(&outbuf[1], SECBUFFER_ALERT, NULL, 0);
+    InitSecBuffer(&outbuf[2], SECBUFFER_EMPTY, NULL, 0);
+    InitSecBufferDesc(&outbuf_desc, outbuf, 3);
+
+    if(inbuf[0].pvBuffer == NULL) {
+      failf(data, "schannel: unable to allocate memory");
+      return CURLE_OUT_OF_MEMORY;
+    }
+
+    /* copy received handshake data into input buffer */
+    memcpy(inbuf[0].pvBuffer, BACKEND->encdata_buffer,
+           BACKEND->encdata_offset);
+
+    host_name = Curl_convert_UTF8_to_tchar(hostname);
+    if(!host_name)
+      return CURLE_OUT_OF_MEMORY;
+
+    /* https://msdn.microsoft.com/en-us/library/windows/desktop/aa375924.aspx
+       */
+    sspi_status = s_pSecFn->InitializeSecurityContext(
+      &BACKEND->cred->cred_handle, &BACKEND->ctxt->ctxt_handle,
+      host_name, BACKEND->req_flags, 0, 0, &inbuf_desc, 0, NULL,
+      &outbuf_desc, &BACKEND->ret_flags, &BACKEND->ctxt->time_stamp);
+
+    Curl_unicodefree(host_name);
+
+    /* free buffer for received handshake data */
+    Curl_safefree(inbuf[0].pvBuffer);
+
+    /* check if the handshake was incomplete */
+    if(sspi_status == SEC_E_INCOMPLETE_MESSAGE) {
+      BACKEND->encdata_is_incomplete = true;
+      connssl->connecting_state = ssl_connect_2_reading;
+      infof(data, "schannel: received incomplete message, need more data\n");
+      return CURLE_OK;
+    }
+
+    /* If the server has requested a client certificate, attempt to continue
+       the handshake without one. This will allow connections to servers which
+       request a client certificate but do not require it. */
+    if(sspi_status == SEC_I_INCOMPLETE_CREDENTIALS &&
+       !(BACKEND->req_flags & ISC_REQ_USE_SUPPLIED_CREDS)) {
+      BACKEND->req_flags |= ISC_REQ_USE_SUPPLIED_CREDS;
+      connssl->connecting_state = ssl_connect_2_writing;
+      infof(data, "schannel: a client certificate has been requested\n");
+      return CURLE_OK;
+    }
+
+    /* check if the handshake needs to be continued */
+    if(sspi_status == SEC_I_CONTINUE_NEEDED || sspi_status == SEC_E_OK) {
+      for(i = 0; i < 3; i++) {
+        /* search for handshake tokens that need to be send */
+        if(outbuf[i].BufferType == SECBUFFER_TOKEN && outbuf[i].cbBuffer > 0) {
+          infof(data, "schannel: sending next handshake data: "
+                "sending %lu bytes...\n", outbuf[i].cbBuffer);
+
+          /* send handshake token to server */
+          result = Curl_write_plain(conn, conn->sock[sockindex],
+                                    outbuf[i].pvBuffer, outbuf[i].cbBuffer,
+                                    &written);
+          if((result != CURLE_OK) ||
+             (outbuf[i].cbBuffer != (size_t) written)) {
+            failf(data, "schannel: failed to send next handshake data: "
+                  "sent %zd of %lu bytes", written, outbuf[i].cbBuffer);
+            return CURLE_SSL_CONNECT_ERROR;
+          }
+        }
+
+        /* free obsolete buffer */
+        if(outbuf[i].pvBuffer != NULL) {
+          s_pSecFn->FreeContextBuffer(outbuf[i].pvBuffer);
+        }
+      }
+    }
+    else {
+      switch(sspi_status) {
+        case SEC_E_INSUFFICIENT_MEMORY:
+          failf(data, "schannel: next InitializeSecurityContext failed: %s",
+                Curl_sspi_strerror(conn, sspi_status));
+          return CURLE_OUT_OF_MEMORY;
+        case SEC_E_WRONG_PRINCIPAL:
+          failf(data, "schannel: SNI or certificate check failed: %s",
+                Curl_sspi_strerror(conn, sspi_status));
+          return CURLE_PEER_FAILED_VERIFICATION;
+          /*
+        case SEC_E_INVALID_HANDLE:
+        case SEC_E_INVALID_TOKEN:
+        case SEC_E_LOGON_DENIED:
+        case SEC_E_TARGET_UNKNOWN:
+        case SEC_E_NO_AUTHENTICATING_AUTHORITY:
+        case SEC_E_INTERNAL_ERROR:
+        case SEC_E_NO_CREDENTIALS:
+        case SEC_E_UNSUPPORTED_FUNCTION:
+        case SEC_E_APPLICATION_PROTOCOL_MISMATCH:
+          */
+        default:
+          failf(data, "schannel: next InitializeSecurityContext failed: %s",
+                Curl_sspi_strerror(conn, sspi_status));
+          return CURLE_SSL_CONNECT_ERROR;
+      }
+    }
+
+    /* check if there was additional remaining encrypted data */
+    if(inbuf[1].BufferType == SECBUFFER_EXTRA && inbuf[1].cbBuffer > 0) {
+      infof(data, "schannel: encrypted data length: %lu\n", inbuf[1].cbBuffer);
+      /*
+        There are two cases where we could be getting extra data here:
+        1) If we're renegotiating a connection and the handshake is already
+        complete (from the server perspective), it can encrypted app data
+        (not handshake data) in an extra buffer at this point.
+        2) (sspi_status == SEC_I_CONTINUE_NEEDED) We are negotiating a
+        connection and this extra data is part of the handshake.
+        We should process the data immediately; waiting for the socket to
+        be ready may fail since the server is done sending handshake data.
+      */
+      /* check if the remaining data is less than the total amount
+         and therefore begins after the already processed data */
+      if(BACKEND->encdata_offset > inbuf[1].cbBuffer) {
+        memmove(BACKEND->encdata_buffer,
+                (BACKEND->encdata_buffer + BACKEND->encdata_offset) -
+                inbuf[1].cbBuffer, inbuf[1].cbBuffer);
+        BACKEND->encdata_offset = inbuf[1].cbBuffer;
+        if(sspi_status == SEC_I_CONTINUE_NEEDED) {
+          doread = FALSE;
+          continue;
+        }
+      }
+    }
+    else {
+      BACKEND->encdata_offset = 0;
+    }
+    break;
+  }
+
+  /* check if the handshake needs to be continued */
+  if(sspi_status == SEC_I_CONTINUE_NEEDED) {
+    connssl->connecting_state = ssl_connect_2_reading;
+    return CURLE_OK;
+  }
+
+  /* check if the handshake is complete */
+  if(sspi_status == SEC_E_OK) {
+    connssl->connecting_state = ssl_connect_3;
+    infof(data, "schannel: SSL/TLS handshake complete\n");
+  }
+
+  pubkey_ptr = SSL_IS_PROXY() ?
+    data->set.str[STRING_SSL_PINNEDPUBLICKEY_PROXY] :
+    data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG];
+  if(pubkey_ptr) {
+    result = pkp_pin_peer_pubkey(conn, sockindex, pubkey_ptr);
+    if(result) {
+      failf(data, "SSL: public key does not match pinned public key!");
+      return result;
+    }
+  }
+
+#ifdef HAS_MANUAL_VERIFY_API
+  if(conn->ssl_config.verifypeer && BACKEND->use_manual_cred_validation) {
+    return Curl_verify_certificate(conn, sockindex);
+  }
+#endif
+
+  return CURLE_OK;
+}
+
+static bool
+valid_cert_encoding(const CERT_CONTEXT *cert_context)
+{
+  return (cert_context != NULL) &&
+    ((cert_context->dwCertEncodingType & X509_ASN_ENCODING) != 0) &&
+    (cert_context->pbCertEncoded != NULL) &&
+    (cert_context->cbCertEncoded > 0);
+}
+
+typedef bool(*Read_crt_func)(const CERT_CONTEXT *ccert_context, void *arg);
+
+static void
+traverse_cert_store(const CERT_CONTEXT *context, Read_crt_func func,
+                    void *arg)
+{
+  const CERT_CONTEXT *current_context = NULL;
+  bool should_continue = true;
+  while(should_continue &&
+        (current_context = CertEnumCertificatesInStore(
+          context->hCertStore,
+          current_context)) != NULL)
+    should_continue = func(current_context, arg);
+
+  if(current_context)
+    CertFreeCertificateContext(current_context);
+}
+
+static bool
+cert_counter_callback(const CERT_CONTEXT *ccert_context, void *certs_count)
+{
+  if(valid_cert_encoding(ccert_context))
+    (*(int *)certs_count)++;
+  return true;
+}
+
+struct Adder_args
+{
+  struct connectdata *conn;
+  CURLcode result;
+  int idx;
+};
+
+static bool
+add_cert_to_certinfo(const CERT_CONTEXT *ccert_context, void *raw_arg)
+{
+  struct Adder_args *args = (struct Adder_args*)raw_arg;
+  args->result = CURLE_OK;
+  if(valid_cert_encoding(ccert_context)) {
+    const char *beg = (const char *) ccert_context->pbCertEncoded;
+    const char *end = beg + ccert_context->cbCertEncoded;
+    args->result = Curl_extract_certinfo(args->conn, (args->idx)++, beg, end);
+  }
+  return args->result == CURLE_OK;
+}
+
+static CURLcode
+schannel_connect_step3(struct connectdata *conn, int sockindex)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  SECURITY_STATUS sspi_status = SEC_E_OK;
+  CERT_CONTEXT *ccert_context = NULL;
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+  const char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
+    conn->host.name;
+#endif
+#ifdef HAS_ALPN
+  SecPkgContext_ApplicationProtocol alpn_result;
+#endif
+
+  DEBUGASSERT(ssl_connect_3 == connssl->connecting_state);
+
+  infof(data, "schannel: SSL/TLS connection with %s port %hu (step 3/3)\n",
+        hostname, conn->remote_port);
+
+  if(!BACKEND->cred)
+    return CURLE_SSL_CONNECT_ERROR;
+
+  /* check if the required context attributes are met */
+  if(BACKEND->ret_flags != BACKEND->req_flags) {
+    if(!(BACKEND->ret_flags & ISC_RET_SEQUENCE_DETECT))
+      failf(data, "schannel: failed to setup sequence detection");
+    if(!(BACKEND->ret_flags & ISC_RET_REPLAY_DETECT))
+      failf(data, "schannel: failed to setup replay detection");
+    if(!(BACKEND->ret_flags & ISC_RET_CONFIDENTIALITY))
+      failf(data, "schannel: failed to setup confidentiality");
+    if(!(BACKEND->ret_flags & ISC_RET_ALLOCATED_MEMORY))
+      failf(data, "schannel: failed to setup memory allocation");
+    if(!(BACKEND->ret_flags & ISC_RET_STREAM))
+      failf(data, "schannel: failed to setup stream orientation");
+    return CURLE_SSL_CONNECT_ERROR;
+  }
+
+#ifdef HAS_ALPN
+  if(BACKEND->use_alpn) {
+    sspi_status = s_pSecFn->QueryContextAttributes(&BACKEND->ctxt->ctxt_handle,
+      SECPKG_ATTR_APPLICATION_PROTOCOL, &alpn_result);
+
+    if(sspi_status != SEC_E_OK) {
+      failf(data, "schannel: failed to retrieve ALPN result");
+      return CURLE_SSL_CONNECT_ERROR;
+    }
+
+    if(alpn_result.ProtoNegoStatus ==
+       SecApplicationProtocolNegotiationStatus_Success) {
+
+      infof(data, "schannel: ALPN, server accepted to use %.*s\n",
+        alpn_result.ProtocolIdSize, alpn_result.ProtocolId);
+
+#ifdef USE_NGHTTP2
+      if(alpn_result.ProtocolIdSize == NGHTTP2_PROTO_VERSION_ID_LEN &&
+         !memcmp(NGHTTP2_PROTO_VERSION_ID, alpn_result.ProtocolId,
+          NGHTTP2_PROTO_VERSION_ID_LEN)) {
+        conn->negnpn = CURL_HTTP_VERSION_2;
+      }
+      else
+#endif
+      if(alpn_result.ProtocolIdSize == ALPN_HTTP_1_1_LENGTH &&
+         !memcmp(ALPN_HTTP_1_1, alpn_result.ProtocolId,
+           ALPN_HTTP_1_1_LENGTH)) {
+        conn->negnpn = CURL_HTTP_VERSION_1_1;
+      }
+    }
+    else
+      infof(data, "ALPN, server did not agree to a protocol\n");
+  }
+#endif
+
+  /* save the current session data for possible re-use */
+  if(SSL_SET_OPTION(primary.sessionid)) {
+    bool incache;
+    struct curl_schannel_cred *old_cred = NULL;
+
+    Curl_ssl_sessionid_lock(conn);
+    incache = !(Curl_ssl_getsessionid(conn, (void **)&old_cred, NULL,
+                                      sockindex));
+    if(incache) {
+      if(old_cred != BACKEND->cred) {
+        infof(data, "schannel: old credential handle is stale, removing\n");
+        /* we're not taking old_cred ownership here, no refcount++ is needed */
+        Curl_ssl_delsessionid(conn, (void *)old_cred);
+        incache = FALSE;
+      }
+    }
+    if(!incache) {
+      result = Curl_ssl_addsessionid(conn, (void *)BACKEND->cred,
+                                     sizeof(struct curl_schannel_cred),
+                                     sockindex);
+      if(result) {
+        Curl_ssl_sessionid_unlock(conn);
+        failf(data, "schannel: failed to store credential handle");
+        return result;
+      }
+      else {
+        /* this cred session is now also referenced by sessionid cache */
+        BACKEND->cred->refcount++;
+        infof(data, "schannel: stored credential handle in session cache\n");
+      }
+    }
+    Curl_ssl_sessionid_unlock(conn);
+  }
+
+  if(data->set.ssl.certinfo) {
+    int certs_count = 0;
+    sspi_status = s_pSecFn->QueryContextAttributes(&BACKEND->ctxt->ctxt_handle,
+      SECPKG_ATTR_REMOTE_CERT_CONTEXT, &ccert_context);
+
+    if((sspi_status != SEC_E_OK) || (ccert_context == NULL)) {
+      failf(data, "schannel: failed to retrieve remote cert context");
+      return CURLE_PEER_FAILED_VERIFICATION;
+    }
+
+    traverse_cert_store(ccert_context, cert_counter_callback, &certs_count);
+
+    result = Curl_ssl_init_certinfo(data, certs_count);
+    if(!result) {
+      struct Adder_args args;
+      args.conn = conn;
+      args.idx = 0;
+      traverse_cert_store(ccert_context, add_cert_to_certinfo, &args);
+      result = args.result;
+    }
+    CertFreeCertificateContext(ccert_context);
+    if(result)
+      return result;
+  }
+
+  connssl->connecting_state = ssl_connect_done;
+
+  return CURLE_OK;
+}
+
+static CURLcode
+schannel_connect_common(struct connectdata *conn, int sockindex,
+                        bool nonblocking, bool *done)
+{
+  CURLcode result;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  curl_socket_t sockfd = conn->sock[sockindex];
+  time_t timeout_ms;
+  int what;
+
+  /* check if the connection has already been established */
+  if(ssl_connection_complete == connssl->state) {
+    *done = TRUE;
+    return CURLE_OK;
+  }
+
+  if(ssl_connect_1 == connssl->connecting_state) {
+    /* check out how much more time we're allowed */
+    timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+    if(timeout_ms < 0) {
+      /* no need to continue if time already is up */
+      failf(data, "SSL/TLS connection timeout");
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+
+    result = schannel_connect_step1(conn, sockindex);
+    if(result)
+      return result;
+  }
+
+  while(ssl_connect_2 == connssl->connecting_state ||
+        ssl_connect_2_reading == connssl->connecting_state ||
+        ssl_connect_2_writing == connssl->connecting_state) {
+
+    /* check out how much more time we're allowed */
+    timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+    if(timeout_ms < 0) {
+      /* no need to continue if time already is up */
+      failf(data, "SSL/TLS connection timeout");
+      return CURLE_OPERATION_TIMEDOUT;
+    }
+
+    /* if ssl is expecting something, check if it's available. */
+    if(connssl->connecting_state == ssl_connect_2_reading
+       || connssl->connecting_state == ssl_connect_2_writing) {
+
+      curl_socket_t writefd = ssl_connect_2_writing ==
+        connssl->connecting_state ? sockfd : CURL_SOCKET_BAD;
+      curl_socket_t readfd = ssl_connect_2_reading ==
+        connssl->connecting_state ? sockfd : CURL_SOCKET_BAD;
+
+      what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
+                               nonblocking ? 0 : timeout_ms);
+      if(what < 0) {
+        /* fatal error */
+        failf(data, "select/poll on SSL/TLS socket, errno: %d", SOCKERRNO);
+        return CURLE_SSL_CONNECT_ERROR;
+      }
+      else if(0 == what) {
+        if(nonblocking) {
+          *done = FALSE;
+          return CURLE_OK;
+        }
+        else {
+          /* timeout */
+          failf(data, "SSL/TLS connection timeout");
+          return CURLE_OPERATION_TIMEDOUT;
+        }
+      }
+      /* socket is readable or writable */
+    }
+
+    /* Run transaction, and return to the caller if it failed or if
+     * this connection is part of a multi handle and this loop would
+     * execute again. This permits the owner of a multi handle to
+     * abort a connection attempt before step2 has completed while
+     * ensuring that a client using select() or epoll() will always
+     * have a valid fdset to wait on.
+     */
+    result = schannel_connect_step2(conn, sockindex);
+    if(result || (nonblocking &&
+                  (ssl_connect_2 == connssl->connecting_state ||
+                   ssl_connect_2_reading == connssl->connecting_state ||
+                   ssl_connect_2_writing == connssl->connecting_state)))
+      return result;
+
+  } /* repeat step2 until all transactions are done. */
+
+  if(ssl_connect_3 == connssl->connecting_state) {
+    result = schannel_connect_step3(conn, sockindex);
+    if(result)
+      return result;
+  }
+
+  if(ssl_connect_done == connssl->connecting_state) {
+    connssl->state = ssl_connection_complete;
+    conn->recv[sockindex] = schannel_recv;
+    conn->send[sockindex] = schannel_send;
+
+#ifdef SECPKG_ATTR_ENDPOINT_BINDINGS
+    /* When SSPI is used in combination with Schannel
+     * we need the Schannel context to create the Schannel
+     * binding to pass the IIS extended protection checks.
+     * Available on Windows 7 or later.
+     */
+    conn->sslContext = &BACKEND->ctxt->ctxt_handle;
+#endif
+
+    *done = TRUE;
+  }
+  else
+    *done = FALSE;
+
+  /* reset our connection state machine */
+  connssl->connecting_state = ssl_connect_1;
+
+  return CURLE_OK;
+}
+
+static ssize_t
+schannel_send(struct connectdata *conn, int sockindex,
+              const void *buf, size_t len, CURLcode *err)
+{
+  ssize_t written = -1;
+  size_t data_len = 0;
+  unsigned char *data = NULL;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  SecBuffer outbuf[4];
+  SecBufferDesc outbuf_desc;
+  SECURITY_STATUS sspi_status = SEC_E_OK;
+  CURLcode result;
+
+  /* check if the maximum stream sizes were queried */
+  if(BACKEND->stream_sizes.cbMaximumMessage == 0) {
+    sspi_status = s_pSecFn->QueryContextAttributes(
+      &BACKEND->ctxt->ctxt_handle,
+      SECPKG_ATTR_STREAM_SIZES,
+      &BACKEND->stream_sizes);
+    if(sspi_status != SEC_E_OK) {
+      *err = CURLE_SEND_ERROR;
+      return -1;
+    }
+  }
+
+  /* check if the buffer is longer than the maximum message length */
+  if(len > BACKEND->stream_sizes.cbMaximumMessage) {
+    len = BACKEND->stream_sizes.cbMaximumMessage;
+  }
+
+  /* calculate the complete message length and allocate a buffer for it */
+  data_len = BACKEND->stream_sizes.cbHeader + len +
+    BACKEND->stream_sizes.cbTrailer;
+  data = (unsigned char *) malloc(data_len);
+  if(data == NULL) {
+    *err = CURLE_OUT_OF_MEMORY;
+    return -1;
+  }
+
+  /* setup output buffers (header, data, trailer, empty) */
+  InitSecBuffer(&outbuf[0], SECBUFFER_STREAM_HEADER,
+                data, BACKEND->stream_sizes.cbHeader);
+  InitSecBuffer(&outbuf[1], SECBUFFER_DATA,
+                data + BACKEND->stream_sizes.cbHeader, curlx_uztoul(len));
+  InitSecBuffer(&outbuf[2], SECBUFFER_STREAM_TRAILER,
+                data + BACKEND->stream_sizes.cbHeader + len,
+                BACKEND->stream_sizes.cbTrailer);
+  InitSecBuffer(&outbuf[3], SECBUFFER_EMPTY, NULL, 0);
+  InitSecBufferDesc(&outbuf_desc, outbuf, 4);
+
+  /* copy data into output buffer */
+  memcpy(outbuf[1].pvBuffer, buf, len);
+
+  /* https://msdn.microsoft.com/en-us/library/windows/desktop/aa375390.aspx */
+  sspi_status = s_pSecFn->EncryptMessage(&BACKEND->ctxt->ctxt_handle, 0,
+                                         &outbuf_desc, 0);
+
+  /* check if the message was encrypted */
+  if(sspi_status == SEC_E_OK) {
+    written = 0;
+
+    /* send the encrypted message including header, data and trailer */
+    len = outbuf[0].cbBuffer + outbuf[1].cbBuffer + outbuf[2].cbBuffer;
+
+    /*
+      It's important to send the full message which includes the header,
+      encrypted payload, and trailer.  Until the client receives all the
+      data a coherent message has not been delivered and the client
+      can't read any of it.
+
+      If we wanted to buffer the unwritten encrypted bytes, we would
+      tell the client that all data it has requested to be sent has been
+      sent. The unwritten encrypted bytes would be the first bytes to
+      send on the next invocation.
+      Here's the catch with this - if we tell the client that all the
+      bytes have been sent, will the client call this method again to
+      send the buffered data?  Looking at who calls this function, it
+      seems the answer is NO.
+    */
+
+    /* send entire message or fail */
+    while(len > (size_t)written) {
+      ssize_t this_write;
+      time_t timeleft;
+      int what;
+
+      this_write = 0;
+
+      timeleft = Curl_timeleft(conn->data, NULL, FALSE);
+      if(timeleft < 0) {
+        /* we already got the timeout */
+        failf(conn->data, "schannel: timed out sending data "
+              "(bytes sent: %zd)", written);
+        *err = CURLE_OPERATION_TIMEDOUT;
+        written = -1;
+        break;
+      }
+
+      what = SOCKET_WRITABLE(conn->sock[sockindex], timeleft);
+      if(what < 0) {
+        /* fatal error */
+        failf(conn->data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
+        *err = CURLE_SEND_ERROR;
+        written = -1;
+        break;
+      }
+      else if(0 == what) {
+        failf(conn->data, "schannel: timed out sending data "
+              "(bytes sent: %zd)", written);
+        *err = CURLE_OPERATION_TIMEDOUT;
+        written = -1;
+        break;
+      }
+      /* socket is writable */
+
+      result = Curl_write_plain(conn, conn->sock[sockindex], data + written,
+                                len - written, &this_write);
+      if(result == CURLE_AGAIN)
+        continue;
+      else if(result != CURLE_OK) {
+        *err = result;
+        written = -1;
+        break;
+      }
+
+      written += this_write;
+    }
+  }
+  else if(sspi_status == SEC_E_INSUFFICIENT_MEMORY) {
+    *err = CURLE_OUT_OF_MEMORY;
+  }
+  else{
+    *err = CURLE_SEND_ERROR;
+  }
+
+  Curl_safefree(data);
+
+  if(len == (size_t)written)
+    /* Encrypted message including header, data and trailer entirely sent.
+       The return value is the number of unencrypted bytes that were sent. */
+    written = outbuf[1].cbBuffer;
+
+  return written;
+}
+
+static ssize_t
+schannel_recv(struct connectdata *conn, int sockindex,
+              char *buf, size_t len, CURLcode *err)
+{
+  size_t size = 0;
+  ssize_t nread = -1;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  unsigned char *reallocated_buffer;
+  size_t reallocated_length;
+  bool done = FALSE;
+  SecBuffer inbuf[4];
+  SecBufferDesc inbuf_desc;
+  SECURITY_STATUS sspi_status = SEC_E_OK;
+  /* we want the length of the encrypted buffer to be at least large enough
+     that it can hold all the bytes requested and some TLS record overhead. */
+  size_t min_encdata_length = len + CURL_SCHANNEL_BUFFER_FREE_SIZE;
+
+  /****************************************************************************
+   * Don't return or set BACKEND->recv_unrecoverable_err unless in the cleanup.
+   * The pattern for return error is set *err, optional infof, goto cleanup.
+   *
+   * Our priority is to always return as much decrypted data to the caller as
+   * possible, even if an error occurs. The state of the decrypted buffer must
+   * always be valid. Transfer of decrypted data to the caller's buffer is
+   * handled in the cleanup.
+   */
+
+  infof(data, "schannel: client wants to read %zu bytes\n", len);
+  *err = CURLE_OK;
+
+  if(len && len <= BACKEND->decdata_offset) {
+    infof(data, "schannel: enough decrypted data is already available\n");
+    goto cleanup;
+  }
+  else if(BACKEND->recv_unrecoverable_err) {
+    *err = BACKEND->recv_unrecoverable_err;
+    infof(data, "schannel: an unrecoverable error occurred in a prior call\n");
+    goto cleanup;
+  }
+  else if(BACKEND->recv_sspi_close_notify) {
+    /* once a server has indicated shutdown there is no more encrypted data */
+    infof(data, "schannel: server indicated shutdown in a prior call\n");
+    goto cleanup;
+  }
+  else if(!len) {
+    /* It's debatable what to return when !len. Regardless we can't return
+    immediately because there may be data to decrypt (in the case we want to
+    decrypt all encrypted cached data) so handle !len later in cleanup.
+    */
+    ; /* do nothing */
+  }
+  else if(!BACKEND->recv_connection_closed) {
+    /* increase enc buffer in order to fit the requested amount of data */
+    size = BACKEND->encdata_length - BACKEND->encdata_offset;
+    if(size < CURL_SCHANNEL_BUFFER_FREE_SIZE ||
+       BACKEND->encdata_length < min_encdata_length) {
+      reallocated_length = BACKEND->encdata_offset +
+                           CURL_SCHANNEL_BUFFER_FREE_SIZE;
+      if(reallocated_length < min_encdata_length) {
+        reallocated_length = min_encdata_length;
+      }
+      reallocated_buffer = realloc(BACKEND->encdata_buffer,
+                                   reallocated_length);
+      if(reallocated_buffer == NULL) {
+        *err = CURLE_OUT_OF_MEMORY;
+        failf(data, "schannel: unable to re-allocate memory");
+        goto cleanup;
+      }
+
+      BACKEND->encdata_buffer = reallocated_buffer;
+      BACKEND->encdata_length = reallocated_length;
+      size = BACKEND->encdata_length - BACKEND->encdata_offset;
+      infof(data, "schannel: encdata_buffer resized %zu\n",
+            BACKEND->encdata_length);
+    }
+
+    infof(data, "schannel: encrypted data buffer: offset %zu length %zu\n",
+          BACKEND->encdata_offset, BACKEND->encdata_length);
+
+    /* read encrypted data from socket */
+    *err = Curl_read_plain(conn->sock[sockindex],
+                           (char *)(BACKEND->encdata_buffer +
+                                    BACKEND->encdata_offset),
+                           size, &nread);
+    if(*err) {
+      nread = -1;
+      if(*err == CURLE_AGAIN)
+        infof(data, "schannel: Curl_read_plain returned CURLE_AGAIN\n");
+      else if(*err == CURLE_RECV_ERROR)
+        infof(data, "schannel: Curl_read_plain returned CURLE_RECV_ERROR\n");
+      else
+        infof(data, "schannel: Curl_read_plain returned error %d\n", *err);
+    }
+    else if(nread == 0) {
+      BACKEND->recv_connection_closed = true;
+      infof(data, "schannel: server closed the connection\n");
+    }
+    else if(nread > 0) {
+      BACKEND->encdata_offset += (size_t)nread;
+      BACKEND->encdata_is_incomplete = false;
+      infof(data, "schannel: encrypted data got %zd\n", nread);
+    }
+  }
+
+  infof(data, "schannel: encrypted data buffer: offset %zu length %zu\n",
+        BACKEND->encdata_offset, BACKEND->encdata_length);
+
+  /* decrypt loop */
+  while(BACKEND->encdata_offset > 0 && sspi_status == SEC_E_OK &&
+        (!len || BACKEND->decdata_offset < len ||
+         BACKEND->recv_connection_closed)) {
+    /* prepare data buffer for DecryptMessage call */
+    InitSecBuffer(&inbuf[0], SECBUFFER_DATA, BACKEND->encdata_buffer,
+                  curlx_uztoul(BACKEND->encdata_offset));
+
+    /* we need 3 more empty input buffers for possible output */
+    InitSecBuffer(&inbuf[1], SECBUFFER_EMPTY, NULL, 0);
+    InitSecBuffer(&inbuf[2], SECBUFFER_EMPTY, NULL, 0);
+    InitSecBuffer(&inbuf[3], SECBUFFER_EMPTY, NULL, 0);
+    InitSecBufferDesc(&inbuf_desc, inbuf, 4);
+
+    /* https://msdn.microsoft.com/en-us/library/windows/desktop/aa375348.aspx
+       */
+    sspi_status = s_pSecFn->DecryptMessage(&BACKEND->ctxt->ctxt_handle,
+                                           &inbuf_desc, 0, NULL);
+
+    /* check if everything went fine (server may want to renegotiate
+       or shutdown the connection context) */
+    if(sspi_status == SEC_E_OK || sspi_status == SEC_I_RENEGOTIATE ||
+       sspi_status == SEC_I_CONTEXT_EXPIRED) {
+      /* check for successfully decrypted data, even before actual
+         renegotiation or shutdown of the connection context */
+      if(inbuf[1].BufferType == SECBUFFER_DATA) {
+        infof(data, "schannel: decrypted data length: %lu\n",
+              inbuf[1].cbBuffer);
+
+        /* increase buffer in order to fit the received amount of data */
+        size = inbuf[1].cbBuffer > CURL_SCHANNEL_BUFFER_FREE_SIZE ?
+               inbuf[1].cbBuffer : CURL_SCHANNEL_BUFFER_FREE_SIZE;
+        if(BACKEND->decdata_length - BACKEND->decdata_offset < size ||
+           BACKEND->decdata_length < len) {
+          /* increase internal decrypted data buffer */
+          reallocated_length = BACKEND->decdata_offset + size;
+          /* make sure that the requested amount of data fits */
+          if(reallocated_length < len) {
+            reallocated_length = len;
+          }
+          reallocated_buffer = realloc(BACKEND->decdata_buffer,
+                                       reallocated_length);
+          if(reallocated_buffer == NULL) {
+            *err = CURLE_OUT_OF_MEMORY;
+            failf(data, "schannel: unable to re-allocate memory");
+            goto cleanup;
+          }
+          BACKEND->decdata_buffer = reallocated_buffer;
+          BACKEND->decdata_length = reallocated_length;
+        }
+
+        /* copy decrypted data to internal buffer */
+        size = inbuf[1].cbBuffer;
+        if(size) {
+          memcpy(BACKEND->decdata_buffer + BACKEND->decdata_offset,
+                 inbuf[1].pvBuffer, size);
+          BACKEND->decdata_offset += size;
+        }
+
+        infof(data, "schannel: decrypted data added: %zu\n", size);
+        infof(data, "schannel: decrypted data cached: offset %zu length %zu\n",
+              BACKEND->decdata_offset, BACKEND->decdata_length);
+      }
+
+      /* check for remaining encrypted data */
+      if(inbuf[3].BufferType == SECBUFFER_EXTRA && inbuf[3].cbBuffer > 0) {
+        infof(data, "schannel: encrypted data length: %lu\n",
+              inbuf[3].cbBuffer);
+
+        /* check if the remaining data is less than the total amount
+         * and therefore begins after the already processed data
+         */
+        if(BACKEND->encdata_offset > inbuf[3].cbBuffer) {
+          /* move remaining encrypted data forward to the beginning of
+             buffer */
+          memmove(BACKEND->encdata_buffer,
+                  (BACKEND->encdata_buffer + BACKEND->encdata_offset) -
+                  inbuf[3].cbBuffer, inbuf[3].cbBuffer);
+          BACKEND->encdata_offset = inbuf[3].cbBuffer;
+        }
+
+        infof(data, "schannel: encrypted data cached: offset %zu length %zu\n",
+              BACKEND->encdata_offset, BACKEND->encdata_length);
+      }
+      else {
+        /* reset encrypted buffer offset, because there is no data remaining */
+        BACKEND->encdata_offset = 0;
+      }
+
+      /* check if server wants to renegotiate the connection context */
+      if(sspi_status == SEC_I_RENEGOTIATE) {
+        infof(data, "schannel: remote party requests renegotiation\n");
+        if(*err && *err != CURLE_AGAIN) {
+          infof(data, "schannel: can't renogotiate, an error is pending\n");
+          goto cleanup;
+        }
+        if(BACKEND->encdata_offset) {
+          *err = CURLE_RECV_ERROR;
+          infof(data, "schannel: can't renogotiate, "
+                      "encrypted data available\n");
+          goto cleanup;
+        }
+        /* begin renegotiation */
+        infof(data, "schannel: renegotiating SSL/TLS connection\n");
+        connssl->state = ssl_connection_negotiating;
+        connssl->connecting_state = ssl_connect_2_writing;
+        *err = schannel_connect_common(conn, sockindex, FALSE, &done);
+        if(*err) {
+          infof(data, "schannel: renegotiation failed\n");
+          goto cleanup;
+        }
+        /* now retry receiving data */
+        sspi_status = SEC_E_OK;
+        infof(data, "schannel: SSL/TLS connection renegotiated\n");
+        continue;
+      }
+      /* check if the server closed the connection */
+      else if(sspi_status == SEC_I_CONTEXT_EXPIRED) {
+        /* In Windows 2000 SEC_I_CONTEXT_EXPIRED (close_notify) is not
+           returned so we have to work around that in cleanup. */
+        BACKEND->recv_sspi_close_notify = true;
+        if(!BACKEND->recv_connection_closed) {
+          BACKEND->recv_connection_closed = true;
+          infof(data, "schannel: server closed the connection\n");
+        }
+        goto cleanup;
+      }
+    }
+    else if(sspi_status == SEC_E_INCOMPLETE_MESSAGE) {
+      BACKEND->encdata_is_incomplete = true;
+      if(!*err)
+        *err = CURLE_AGAIN;
+      infof(data, "schannel: failed to decrypt data, need more data\n");
+      goto cleanup;
+    }
+    else {
+      *err = CURLE_RECV_ERROR;
+      infof(data, "schannel: failed to read data from server: %s\n",
+            Curl_sspi_strerror(conn, sspi_status));
+      goto cleanup;
+    }
+  }
+
+  infof(data, "schannel: encrypted data buffer: offset %zu length %zu\n",
+        BACKEND->encdata_offset, BACKEND->encdata_length);
+
+  infof(data, "schannel: decrypted data buffer: offset %zu length %zu\n",
+        BACKEND->decdata_offset, BACKEND->decdata_length);
+
+cleanup:
+  /* Warning- there is no guarantee the encdata state is valid at this point */
+  infof(data, "schannel: schannel_recv cleanup\n");
+
+  /* Error if the connection has closed without a close_notify.
+  Behavior here is a matter of debate. We don't want to be vulnerable to a
+  truncation attack however there's some browser precedent for ignoring the
+  close_notify for compatibility reasons.
+  Additionally, Windows 2000 (v5.0) is a special case since it seems it doesn't
+  return close_notify. In that case if the connection was closed we assume it
+  was graceful (close_notify) since there doesn't seem to be a way to tell.
+  */
+  if(len && !BACKEND->decdata_offset && BACKEND->recv_connection_closed &&
+     !BACKEND->recv_sspi_close_notify) {
+    bool isWin2k = Curl_verify_windows_version(5, 0, PLATFORM_WINNT,
+                                               VERSION_EQUAL);
+
+    if(isWin2k && sspi_status == SEC_E_OK)
+      BACKEND->recv_sspi_close_notify = true;
+    else {
+      *err = CURLE_RECV_ERROR;
+      infof(data, "schannel: server closed abruptly (missing close_notify)\n");
+    }
+  }
+
+  /* Any error other than CURLE_AGAIN is an unrecoverable error. */
+  if(*err && *err != CURLE_AGAIN)
+      BACKEND->recv_unrecoverable_err = *err;
+
+  size = len < BACKEND->decdata_offset ? len : BACKEND->decdata_offset;
+  if(size) {
+    memcpy(buf, BACKEND->decdata_buffer, size);
+    memmove(BACKEND->decdata_buffer, BACKEND->decdata_buffer + size,
+            BACKEND->decdata_offset - size);
+    BACKEND->decdata_offset -= size;
+
+    infof(data, "schannel: decrypted data returned %zu\n", size);
+    infof(data, "schannel: decrypted data buffer: offset %zu length %zu\n",
+          BACKEND->decdata_offset, BACKEND->decdata_length);
+    *err = CURLE_OK;
+    return (ssize_t)size;
+  }
+
+  if(!*err && !BACKEND->recv_connection_closed)
+      *err = CURLE_AGAIN;
+
+  /* It's debatable what to return when !len. We could return whatever error we
+  got from decryption but instead we override here so the return is consistent.
+  */
+  if(!len)
+    *err = CURLE_OK;
+
+  return *err ? -1 : 0;
+}
+
+static CURLcode Curl_schannel_connect_nonblocking(struct connectdata *conn,
+                                                  int sockindex, bool *done)
+{
+  return schannel_connect_common(conn, sockindex, TRUE, done);
+}
+
+static CURLcode Curl_schannel_connect(struct connectdata *conn, int sockindex)
+{
+  CURLcode result;
+  bool done = FALSE;
+
+  result = schannel_connect_common(conn, sockindex, FALSE, &done);
+  if(result)
+    return result;
+
+  DEBUGASSERT(done);
+
+  return CURLE_OK;
+}
+
+static bool Curl_schannel_data_pending(const struct connectdata *conn,
+                                       int sockindex)
+{
+  const struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+
+  if(connssl->use) /* SSL/TLS is in use */
+    return (BACKEND->decdata_offset > 0 ||
+            (BACKEND->encdata_offset > 0 && !BACKEND->encdata_is_incomplete));
+  else
+    return FALSE;
+}
+
+static void Curl_schannel_close(struct connectdata *conn, int sockindex)
+{
+  if(conn->ssl[sockindex].use)
+    /* if the SSL/TLS channel hasn't been shut down yet, do that now. */
+    Curl_ssl_shutdown(conn, sockindex);
+}
+
+static void Curl_schannel_session_free(void *ptr)
+{
+  /* this is expected to be called under sessionid lock */
+  struct curl_schannel_cred *cred = ptr;
+
+  cred->refcount--;
+  if(cred->refcount == 0) {
+    s_pSecFn->FreeCredentialsHandle(&cred->cred_handle);
+    Curl_safefree(cred);
+  }
+}
+
+static int Curl_schannel_shutdown(struct connectdata *conn, int sockindex)
+{
+  /* See https://msdn.microsoft.com/en-us/library/windows/desktop/aa380138.aspx
+   * Shutting Down an Schannel Connection
+   */
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
+    conn->host.name;
+
+  infof(data, "schannel: shutting down SSL/TLS connection with %s port %hu\n",
+        hostname, conn->remote_port);
+
+  if(BACKEND->cred && BACKEND->ctxt) {
+    SecBufferDesc BuffDesc;
+    SecBuffer Buffer;
+    SECURITY_STATUS sspi_status;
+    SecBuffer outbuf;
+    SecBufferDesc outbuf_desc;
+    CURLcode result;
+    TCHAR *host_name;
+    DWORD dwshut = SCHANNEL_SHUTDOWN;
+
+    InitSecBuffer(&Buffer, SECBUFFER_TOKEN, &dwshut, sizeof(dwshut));
+    InitSecBufferDesc(&BuffDesc, &Buffer, 1);
+
+    sspi_status = s_pSecFn->ApplyControlToken(&BACKEND->ctxt->ctxt_handle,
+                                              &BuffDesc);
+
+    if(sspi_status != SEC_E_OK)
+      failf(data, "schannel: ApplyControlToken failure: %s",
+            Curl_sspi_strerror(conn, sspi_status));
+
+    host_name = Curl_convert_UTF8_to_tchar(hostname);
+    if(!host_name)
+      return CURLE_OUT_OF_MEMORY;
+
+    /* setup output buffer */
+    InitSecBuffer(&outbuf, SECBUFFER_EMPTY, NULL, 0);
+    InitSecBufferDesc(&outbuf_desc, &outbuf, 1);
+
+    sspi_status = s_pSecFn->InitializeSecurityContext(
+      &BACKEND->cred->cred_handle,
+      &BACKEND->ctxt->ctxt_handle,
+      host_name,
+      BACKEND->req_flags,
+      0,
+      0,
+      NULL,
+      0,
+      &BACKEND->ctxt->ctxt_handle,
+      &outbuf_desc,
+      &BACKEND->ret_flags,
+      &BACKEND->ctxt->time_stamp);
+
+    Curl_unicodefree(host_name);
+
+    if((sspi_status == SEC_E_OK) || (sspi_status == SEC_I_CONTEXT_EXPIRED)) {
+      /* send close message which is in output buffer */
+      ssize_t written;
+      result = Curl_write_plain(conn, conn->sock[sockindex], outbuf.pvBuffer,
+                                outbuf.cbBuffer, &written);
+
+      s_pSecFn->FreeContextBuffer(outbuf.pvBuffer);
+      if((result != CURLE_OK) || (outbuf.cbBuffer != (size_t) written)) {
+        infof(data, "schannel: failed to send close msg: %s"
+              " (bytes written: %zd)\n", curl_easy_strerror(result), written);
+      }
+    }
+  }
+
+  /* free SSPI Schannel API security context handle */
+  if(BACKEND->ctxt) {
+    infof(data, "schannel: clear security context handle\n");
+    s_pSecFn->DeleteSecurityContext(&BACKEND->ctxt->ctxt_handle);
+    Curl_safefree(BACKEND->ctxt);
+  }
+
+  /* free SSPI Schannel API credential handle */
+  if(BACKEND->cred) {
+    /*
+     * When this function is called from Curl_schannel_close() the connection
+     * might not have an associated transfer so the check for conn->data is
+     * necessary.
+     */
+    if(conn->data)
+      Curl_ssl_sessionid_lock(conn);
+    Curl_schannel_session_free(BACKEND->cred);
+    if(conn->data)
+      Curl_ssl_sessionid_unlock(conn);
+    BACKEND->cred = NULL;
+  }
+
+  /* free internal buffer for received encrypted data */
+  if(BACKEND->encdata_buffer != NULL) {
+    Curl_safefree(BACKEND->encdata_buffer);
+    BACKEND->encdata_length = 0;
+    BACKEND->encdata_offset = 0;
+    BACKEND->encdata_is_incomplete = false;
+  }
+
+  /* free internal buffer for received decrypted data */
+  if(BACKEND->decdata_buffer != NULL) {
+    Curl_safefree(BACKEND->decdata_buffer);
+    BACKEND->decdata_length = 0;
+    BACKEND->decdata_offset = 0;
+  }
+
+  return CURLE_OK;
+}
+
+static int Curl_schannel_init(void)
+{
+  return (Curl_sspi_global_init() == CURLE_OK ? 1 : 0);
+}
+
+static void Curl_schannel_cleanup(void)
+{
+  Curl_sspi_global_cleanup();
+}
+
+static size_t Curl_schannel_version(char *buffer, size_t size)
+{
+  size = msnprintf(buffer, size, "Schannel");
+
+  return size;
+}
+
+static CURLcode Curl_schannel_random(struct Curl_easy *data UNUSED_PARAM,
+                                     unsigned char *entropy, size_t length)
+{
+  HCRYPTPROV hCryptProv = 0;
+
+  (void)data;
+
+  if(!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL,
+                          CRYPT_VERIFYCONTEXT | CRYPT_SILENT))
+    return CURLE_FAILED_INIT;
+
+  if(!CryptGenRandom(hCryptProv, (DWORD)length, entropy)) {
+    CryptReleaseContext(hCryptProv, 0UL);
+    return CURLE_FAILED_INIT;
+  }
+
+  CryptReleaseContext(hCryptProv, 0UL);
+  return CURLE_OK;
+}
+
+static CURLcode pkp_pin_peer_pubkey(struct connectdata *conn, int sockindex,
+                                    const char *pinnedpubkey)
+{
+  SECURITY_STATUS status;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  CERT_CONTEXT *pCertContextServer = NULL;
+  const char *x509_der;
+  DWORD x509_der_len;
+  curl_X509certificate x509_parsed;
+  curl_asn1Element *pubkey;
+
+  /* Result is returned to caller */
+  CURLcode result = CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+
+  /* if a path wasn't specified, don't pin */
+  if(!pinnedpubkey)
+    return CURLE_OK;
+
+  do {
+    status = s_pSecFn->QueryContextAttributes(&BACKEND->ctxt->ctxt_handle,
+                                              SECPKG_ATTR_REMOTE_CERT_CONTEXT,
+                                              &pCertContextServer);
+
+    if((status != SEC_E_OK) || (pCertContextServer == NULL)) {
+      failf(data, "schannel: Failed to read remote certificate context: %s",
+            Curl_sspi_strerror(conn, status));
+      break; /* failed */
+    }
+
+
+    if(!(((pCertContextServer->dwCertEncodingType & X509_ASN_ENCODING) != 0) &&
+       (pCertContextServer->cbCertEncoded > 0)))
+      break;
+
+    x509_der = (const char *)pCertContextServer->pbCertEncoded;
+    x509_der_len = pCertContextServer->cbCertEncoded;
+    memset(&x509_parsed, 0, sizeof(x509_parsed));
+    if(Curl_parseX509(&x509_parsed, x509_der, x509_der + x509_der_len))
+      break;
+
+    pubkey = &x509_parsed.subjectPublicKeyInfo;
+    if(!pubkey->header || pubkey->end <= pubkey->header) {
+      failf(data, "SSL: failed retrieving public key from server certificate");
+      break;
+    }
+
+    result = Curl_pin_peer_pubkey(data,
+                                  pinnedpubkey,
+                                  (const unsigned char *)pubkey->header,
+                                  (size_t)(pubkey->end - pubkey->header));
+    if(result) {
+      failf(data, "SSL: public key does not match pinned public key!");
+    }
+  } while(0);
+
+  if(pCertContextServer)
+    CertFreeCertificateContext(pCertContextServer);
+
+  return result;
+}
+
+static void Curl_schannel_checksum(const unsigned char *input,
+                                   size_t inputlen,
+                                   unsigned char *checksum,
+                                   size_t checksumlen,
+                                   DWORD provType,
+                                   const unsigned int algId)
+{
+  HCRYPTPROV hProv = 0;
+  HCRYPTHASH hHash = 0;
+  DWORD cbHashSize = 0;
+  DWORD dwHashSizeLen = (DWORD)sizeof(cbHashSize);
+  DWORD dwChecksumLen = (DWORD)checksumlen;
+
+  /* since this can fail in multiple ways, zero memory first so we never
+   * return old data
+   */
+  memset(checksum, 0, checksumlen);
+
+  if(!CryptAcquireContext(&hProv, NULL, NULL, provType,
+                          CRYPT_VERIFYCONTEXT))
+    return; /* failed */
+
+  do {
+    if(!CryptCreateHash(hProv, algId, 0, 0, &hHash))
+      break; /* failed */
+
+    /* workaround for original MinGW, should be (const BYTE*) */
+    if(!CryptHashData(hHash, (BYTE*)input, (DWORD)inputlen, 0))
+      break; /* failed */
+
+    /* get hash size */
+    if(!CryptGetHashParam(hHash, HP_HASHSIZE, (BYTE *)&cbHashSize,
+                          &dwHashSizeLen, 0))
+      break; /* failed */
+
+    /* check hash size */
+    if(checksumlen < cbHashSize)
+      break; /* failed */
+
+    if(CryptGetHashParam(hHash, HP_HASHVAL, checksum, &dwChecksumLen, 0))
+      break; /* failed */
+  } while(0);
+
+  if(hHash)
+    CryptDestroyHash(hHash);
+
+  if(hProv)
+    CryptReleaseContext(hProv, 0);
+}
+
+static CURLcode Curl_schannel_md5sum(unsigned char *input,
+                                     size_t inputlen,
+                                     unsigned char *md5sum,
+                                     size_t md5len)
+{
+  Curl_schannel_checksum(input, inputlen, md5sum, md5len,
+                         PROV_RSA_FULL, CALG_MD5);
+  return CURLE_OK;
+}
+
+static CURLcode Curl_schannel_sha256sum(const unsigned char *input,
+                                    size_t inputlen,
+                                    unsigned char *sha256sum,
+                                    size_t sha256len)
+{
+  Curl_schannel_checksum(input, inputlen, sha256sum, sha256len,
+                         PROV_RSA_AES, CALG_SHA_256);
+  return CURLE_OK;
+}
+
+static void *Curl_schannel_get_internals(struct ssl_connect_data *connssl,
+                                         CURLINFO info UNUSED_PARAM)
+{
+  (void)info;
+  return &BACKEND->ctxt->ctxt_handle;
+}
+
+const struct Curl_ssl Curl_ssl_schannel = {
+  { CURLSSLBACKEND_SCHANNEL, "schannel" }, /* info */
+
+  SSLSUPP_CERTINFO |
+  SSLSUPP_PINNEDPUBKEY,
+
+  sizeof(struct ssl_backend_data),
+
+  Curl_schannel_init,                /* init */
+  Curl_schannel_cleanup,             /* cleanup */
+  Curl_schannel_version,             /* version */
+  Curl_none_check_cxn,               /* check_cxn */
+  Curl_schannel_shutdown,            /* shutdown */
+  Curl_schannel_data_pending,        /* data_pending */
+  Curl_schannel_random,              /* random */
+  Curl_none_cert_status_request,     /* cert_status_request */
+  Curl_schannel_connect,             /* connect */
+  Curl_schannel_connect_nonblocking, /* connect_nonblocking */
+  Curl_schannel_get_internals,       /* get_internals */
+  Curl_schannel_close,               /* close_one */
+  Curl_none_close_all,               /* close_all */
+  Curl_schannel_session_free,        /* session_free */
+  Curl_none_set_engine,              /* set_engine */
+  Curl_none_set_engine_default,      /* set_engine_default */
+  Curl_none_engines_list,            /* engines_list */
+  Curl_none_false_start,             /* false_start */
+  Curl_schannel_md5sum,              /* md5sum */
+  Curl_schannel_sha256sum            /* sha256sum */
+};
+
+#endif /* USE_SCHANNEL */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/schannel.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/schannel.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/schannel.h	(revision 85671)
@@ -0,0 +1,108 @@
+#ifndef HEADER_CURL_SCHANNEL_H
+#define HEADER_CURL_SCHANNEL_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2012, Marc Hoersken, <info@marc-hoersken.de>, et al.
+ * Copyright (C) 2012 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+#ifdef USE_SCHANNEL
+
+#include <schnlsp.h>
+#include <schannel.h>
+#include "curl_sspi.h"
+
+#include "urldata.h"
+
+/* <wincrypt.h> has been included via the above <schnlsp.h>.
+ * Or in case of ldap.c, it was included via <winldap.h>.
+ * And since <wincrypt.h> has this:
+ *   #define X509_NAME  ((LPCSTR) 7)
+ *
+ * And in BoringSSL's <openssl/base.h> there is:
+ *  typedef struct X509_name_st X509_NAME;
+ *  etc.
+ *
+ * this will cause all kinds of C-preprocessing paste errors in
+ * BoringSSL's <openssl/x509.h>: So just undefine those defines here
+ * (and only here).
+ */
+#if defined(HAVE_BORINGSSL) || defined(OPENSSL_IS_BORINGSSL)
+# undef X509_NAME
+# undef X509_CERT_PAIR
+# undef X509_EXTENSIONS
+#endif
+
+extern const struct Curl_ssl Curl_ssl_schannel;
+
+CURLcode Curl_verify_certificate(struct connectdata *conn, int sockindex);
+
+/* structs to expose only in schannel.c and schannel_verify.c */
+#ifdef EXPOSE_SCHANNEL_INTERNAL_STRUCTS
+
+#ifdef __MINGW32__
+#include <_mingw.h>
+#ifdef __MINGW64_VERSION_MAJOR
+#define HAS_MANUAL_VERIFY_API
+#endif
+#else
+#include <wincrypt.h>
+#ifdef CERT_CHAIN_REVOCATION_CHECK_CHAIN
+#define HAS_MANUAL_VERIFY_API
+#endif
+#endif
+
+struct curl_schannel_cred {
+  CredHandle cred_handle;
+  TimeStamp time_stamp;
+  int refcount;
+};
+
+struct curl_schannel_ctxt {
+  CtxtHandle ctxt_handle;
+  TimeStamp time_stamp;
+};
+
+struct ssl_backend_data {
+  struct curl_schannel_cred *cred;
+  struct curl_schannel_ctxt *ctxt;
+  SecPkgContext_StreamSizes stream_sizes;
+  size_t encdata_length, decdata_length;
+  size_t encdata_offset, decdata_offset;
+  unsigned char *encdata_buffer, *decdata_buffer;
+  /* encdata_is_incomplete: if encdata contains only a partial record that
+     can't be decrypted without another Curl_read_plain (that is, status is
+     SEC_E_INCOMPLETE_MESSAGE) then set this true. after Curl_read_plain writes
+     more bytes into encdata then set this back to false. */
+  bool encdata_is_incomplete;
+  unsigned long req_flags, ret_flags;
+  CURLcode recv_unrecoverable_err; /* schannel_recv had an unrecoverable err */
+  bool recv_sspi_close_notify; /* true if connection closed by close_notify */
+  bool recv_connection_closed; /* true if connection closed, regardless how */
+  bool use_alpn; /* true if ALPN is used for this connection */
+#ifdef HAS_MANUAL_VERIFY_API
+  bool use_manual_cred_validation; /* true if manual cred validation is used */
+#endif
+};
+#endif /* EXPOSE_SCHANNEL_INTERNAL_STRUCTS */
+
+#endif /* USE_SCHANNEL */
+#endif /* HEADER_CURL_SCHANNEL_H */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/schannel_verify.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/schannel_verify.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/schannel_verify.c	(revision 85671)
@@ -0,0 +1,561 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2012 - 2016, Marc Hoersken, <info@marc-hoersken.de>
+ * Copyright (C) 2012, Mark Salisbury, <mark.salisbury@hp.com>
+ * Copyright (C) 2012 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Source file for Schannel-specific certificate verification. This code should
+ * only be invoked by code in schannel.c.
+ */
+
+#include "curl_setup.h"
+
+#ifdef USE_SCHANNEL
+#ifndef USE_WINDOWS_SSPI
+#  error "Can't compile SCHANNEL support without SSPI."
+#endif
+
+#define EXPOSE_SCHANNEL_INTERNAL_STRUCTS
+#include "schannel.h"
+
+#ifdef HAS_MANUAL_VERIFY_API
+
+#include "vtls.h"
+#include "sendf.h"
+#include "strerror.h"
+#include "curl_multibyte.h"
+#include "curl_printf.h"
+#include "hostcheck.h"
+#include "system_win32.h"
+
+/* The last #include file should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#define BACKEND connssl->backend
+
+#define MAX_CAFILE_SIZE 1048576 /* 1 MiB */
+#define BEGIN_CERT "-----BEGIN CERTIFICATE-----"
+#define END_CERT "\n-----END CERTIFICATE-----"
+
+typedef struct {
+  DWORD cbSize;
+  HCERTSTORE hRestrictedRoot;
+  HCERTSTORE hRestrictedTrust;
+  HCERTSTORE hRestrictedOther;
+  DWORD cAdditionalStore;
+  HCERTSTORE *rghAdditionalStore;
+  DWORD dwFlags;
+  DWORD dwUrlRetrievalTimeout;
+  DWORD MaximumCachedCertificates;
+  DWORD CycleDetectionModulus;
+  HCERTSTORE hExclusiveRoot;
+  HCERTSTORE hExclusiveTrustedPeople;
+} CERT_CHAIN_ENGINE_CONFIG_WIN7, *PCERT_CHAIN_ENGINE_CONFIG_WIN7;
+
+static int is_cr_or_lf(char c)
+{
+  return c == '\r' || c == '\n';
+}
+
+static CURLcode add_certs_to_store(HCERTSTORE trust_store,
+                                   const char *ca_file,
+                                   struct connectdata *conn)
+{
+  CURLcode result;
+  struct Curl_easy *data = conn->data;
+  HANDLE ca_file_handle = INVALID_HANDLE_VALUE;
+  LARGE_INTEGER file_size;
+  char *ca_file_buffer = NULL;
+  char *current_ca_file_ptr = NULL;
+  TCHAR *ca_file_tstr = NULL;
+  size_t ca_file_bufsize = 0;
+  DWORD total_bytes_read = 0;
+  bool more_certs = 0;
+  int num_certs = 0;
+  size_t END_CERT_LEN;
+
+  ca_file_tstr = Curl_convert_UTF8_to_tchar((char *)ca_file);
+  if(!ca_file_tstr) {
+    failf(data,
+          "schannel: invalid path name for CA file '%s': %s",
+          ca_file, Curl_strerror(conn, GetLastError()));
+    result = CURLE_SSL_CACERT_BADFILE;
+    goto cleanup;
+  }
+
+  /*
+   * Read the CA file completely into memory before parsing it. This
+   * optimizes for the common case where the CA file will be relatively
+   * small ( < 1 MiB ).
+   */
+  ca_file_handle = CreateFile(ca_file_tstr,
+                              GENERIC_READ,
+                              0,
+                              NULL,
+                              OPEN_EXISTING,
+                              FILE_ATTRIBUTE_NORMAL,
+                              NULL);
+  if(ca_file_handle == INVALID_HANDLE_VALUE) {
+    failf(data,
+          "schannel: failed to open CA file '%s': %s",
+          ca_file, Curl_strerror(conn, GetLastError()));
+    result = CURLE_SSL_CACERT_BADFILE;
+    goto cleanup;
+  }
+
+  if(!GetFileSizeEx(ca_file_handle, &file_size)) {
+    failf(data,
+          "schannel: failed to determine size of CA file '%s': %s",
+          ca_file, Curl_strerror(conn, GetLastError()));
+    result = CURLE_SSL_CACERT_BADFILE;
+    goto cleanup;
+  }
+
+  if(file_size.QuadPart > MAX_CAFILE_SIZE) {
+    failf(data,
+          "schannel: CA file exceeds max size of %u bytes",
+          MAX_CAFILE_SIZE);
+    result = CURLE_SSL_CACERT_BADFILE;
+    goto cleanup;
+  }
+
+  ca_file_bufsize = (size_t)file_size.QuadPart;
+  ca_file_buffer = (char *)malloc(ca_file_bufsize + 1);
+  if(!ca_file_buffer) {
+    result = CURLE_OUT_OF_MEMORY;
+    goto cleanup;
+  }
+
+  result = CURLE_OK;
+  while(total_bytes_read < ca_file_bufsize) {
+    DWORD bytes_to_read = (DWORD)(ca_file_bufsize - total_bytes_read);
+    DWORD bytes_read = 0;
+
+    if(!ReadFile(ca_file_handle, ca_file_buffer + total_bytes_read,
+                 bytes_to_read, &bytes_read, NULL)) {
+
+      failf(data,
+            "schannel: failed to read from CA file '%s': %s",
+            ca_file, Curl_strerror(conn, GetLastError()));
+      result = CURLE_SSL_CACERT_BADFILE;
+      goto cleanup;
+    }
+    if(bytes_read == 0) {
+      /* Premature EOF -- adjust the bufsize to the new value */
+      ca_file_bufsize = total_bytes_read;
+    }
+    else {
+      total_bytes_read += bytes_read;
+    }
+  }
+
+  /* Null terminate the buffer */
+  ca_file_buffer[ca_file_bufsize] = '\0';
+
+  if(result != CURLE_OK) {
+    goto cleanup;
+  }
+
+  END_CERT_LEN = strlen(END_CERT);
+
+  more_certs = 1;
+  current_ca_file_ptr = ca_file_buffer;
+  while(more_certs && *current_ca_file_ptr != '\0') {
+    char *begin_cert_ptr = strstr(current_ca_file_ptr, BEGIN_CERT);
+    if(!begin_cert_ptr || !is_cr_or_lf(begin_cert_ptr[strlen(BEGIN_CERT)])) {
+      more_certs = 0;
+    }
+    else {
+      char *end_cert_ptr = strstr(begin_cert_ptr, END_CERT);
+      if(!end_cert_ptr) {
+        failf(data,
+              "schannel: CA file '%s' is not correctly formatted",
+              ca_file);
+        result = CURLE_SSL_CACERT_BADFILE;
+        more_certs = 0;
+      }
+      else {
+        CERT_BLOB cert_blob;
+        CERT_CONTEXT *cert_context = NULL;
+        BOOL add_cert_result = FALSE;
+        DWORD actual_content_type = 0;
+        DWORD cert_size = (DWORD)
+          ((end_cert_ptr + END_CERT_LEN) - begin_cert_ptr);
+
+        cert_blob.pbData = (BYTE *)begin_cert_ptr;
+        cert_blob.cbData = cert_size;
+        if(!CryptQueryObject(CERT_QUERY_OBJECT_BLOB,
+                             &cert_blob,
+                             CERT_QUERY_CONTENT_FLAG_CERT,
+                             CERT_QUERY_FORMAT_FLAG_ALL,
+                             0,
+                             NULL,
+                             &actual_content_type,
+                             NULL,
+                             NULL,
+                             NULL,
+                             (const void **)&cert_context)) {
+
+          failf(data,
+                "schannel: failed to extract certificate from CA file "
+                "'%s': %s",
+                ca_file, Curl_strerror(conn, GetLastError()));
+          result = CURLE_SSL_CACERT_BADFILE;
+          more_certs = 0;
+        }
+        else {
+          current_ca_file_ptr = begin_cert_ptr + cert_size;
+
+          /* Sanity check that the cert_context object is the right type */
+          if(CERT_QUERY_CONTENT_CERT != actual_content_type) {
+            failf(data,
+                  "schannel: unexpected content type '%d' when extracting "
+                  "certificate from CA file '%s'",
+                  actual_content_type, ca_file);
+            result = CURLE_SSL_CACERT_BADFILE;
+            more_certs = 0;
+          }
+          else {
+            add_cert_result =
+              CertAddCertificateContextToStore(trust_store,
+                                               cert_context,
+                                               CERT_STORE_ADD_ALWAYS,
+                                               NULL);
+            CertFreeCertificateContext(cert_context);
+            if(!add_cert_result) {
+              failf(data,
+                    "schannel: failed to add certificate from CA file '%s' "
+                    "to certificate store: %s",
+                    ca_file, Curl_strerror(conn, GetLastError()));
+              result = CURLE_SSL_CACERT_BADFILE;
+              more_certs = 0;
+            }
+            else {
+              num_certs++;
+            }
+          }
+        }
+      }
+    }
+  }
+
+  if(result == CURLE_OK) {
+    if(!num_certs) {
+      infof(data,
+            "schannel: did not add any certificates from CA file '%s'\n",
+            ca_file);
+    }
+    else {
+      infof(data,
+            "schannel: added %d certificate(s) from CA file '%s'\n",
+            num_certs, ca_file);
+    }
+  }
+
+cleanup:
+  if(ca_file_handle != INVALID_HANDLE_VALUE) {
+    CloseHandle(ca_file_handle);
+  }
+  Curl_safefree(ca_file_buffer);
+  Curl_unicodefree(ca_file_tstr);
+
+  return result;
+}
+
+static CURLcode verify_host(struct Curl_easy *data,
+                            CERT_CONTEXT *pCertContextServer,
+                            const char * const conn_hostname)
+{
+  CURLcode result = CURLE_PEER_FAILED_VERIFICATION;
+  TCHAR *cert_hostname_buff = NULL;
+  size_t cert_hostname_buff_index = 0;
+  DWORD len = 0;
+  DWORD actual_len = 0;
+
+  /* CertGetNameString will provide the 8-bit character string without
+   * any decoding */
+  DWORD name_flags = CERT_NAME_DISABLE_IE4_UTF8_FLAG;
+
+#ifdef CERT_NAME_SEARCH_ALL_NAMES_FLAG
+  name_flags |= CERT_NAME_SEARCH_ALL_NAMES_FLAG;
+#endif
+
+  /* Determine the size of the string needed for the cert hostname */
+  len = CertGetNameString(pCertContextServer,
+                          CERT_NAME_DNS_TYPE,
+                          name_flags,
+                          NULL,
+                          NULL,
+                          0);
+  if(len == 0) {
+    failf(data,
+          "schannel: CertGetNameString() returned no "
+          "certificate name information");
+    result = CURLE_PEER_FAILED_VERIFICATION;
+    goto cleanup;
+  }
+
+  /* CertGetNameString guarantees that the returned name will not contain
+   * embedded null bytes. This appears to be undocumented behavior.
+   */
+  cert_hostname_buff = (LPTSTR)malloc(len * sizeof(TCHAR));
+  if(!cert_hostname_buff) {
+    result = CURLE_OUT_OF_MEMORY;
+    goto cleanup;
+  }
+  actual_len = CertGetNameString(pCertContextServer,
+                                 CERT_NAME_DNS_TYPE,
+                                 name_flags,
+                                 NULL,
+                                 (LPTSTR) cert_hostname_buff,
+                                 len);
+
+  /* Sanity check */
+  if(actual_len != len) {
+    failf(data,
+          "schannel: CertGetNameString() returned certificate "
+          "name information of unexpected size");
+    result = CURLE_PEER_FAILED_VERIFICATION;
+    goto cleanup;
+  }
+
+  /* If HAVE_CERT_NAME_SEARCH_ALL_NAMES is available, the output
+   * will contain all DNS names, where each name is null-terminated
+   * and the last DNS name is double null-terminated. Due to this
+   * encoding, use the length of the buffer to iterate over all names.
+   */
+  result = CURLE_PEER_FAILED_VERIFICATION;
+  while(cert_hostname_buff_index < len &&
+        cert_hostname_buff[cert_hostname_buff_index] != TEXT('\0') &&
+        result == CURLE_PEER_FAILED_VERIFICATION) {
+
+    char *cert_hostname;
+
+    /* Comparing the cert name and the connection hostname encoded as UTF-8
+     * is acceptable since both values are assumed to use ASCII
+     * (or some equivalent) encoding
+     */
+    cert_hostname = Curl_convert_tchar_to_UTF8(
+        &cert_hostname_buff[cert_hostname_buff_index]);
+    if(!cert_hostname) {
+      result = CURLE_OUT_OF_MEMORY;
+    }
+    else {
+      int match_result;
+
+      match_result = Curl_cert_hostcheck(cert_hostname, conn_hostname);
+      if(match_result == CURL_HOST_MATCH) {
+        infof(data,
+              "schannel: connection hostname (%s) validated "
+              "against certificate name (%s)\n",
+              conn_hostname, cert_hostname);
+        result = CURLE_OK;
+      }
+      else {
+        size_t cert_hostname_len;
+
+        infof(data,
+              "schannel: connection hostname (%s) did not match "
+              "against certificate name (%s)\n",
+              conn_hostname, cert_hostname);
+
+        cert_hostname_len = _tcslen(
+            &cert_hostname_buff[cert_hostname_buff_index]);
+
+        /* Move on to next cert name */
+        cert_hostname_buff_index += cert_hostname_len + 1;
+
+        result = CURLE_PEER_FAILED_VERIFICATION;
+      }
+      Curl_unicodefree(cert_hostname);
+    }
+  }
+
+  if(result == CURLE_PEER_FAILED_VERIFICATION) {
+    failf(data,
+          "schannel: CertGetNameString() failed to match "
+          "connection hostname (%s) against server certificate names",
+          conn_hostname);
+  }
+  else if(result != CURLE_OK)
+    failf(data, "schannel: server certificate name verification failed");
+
+cleanup:
+  Curl_unicodefree(cert_hostname_buff);
+
+  return result;
+}
+
+CURLcode Curl_verify_certificate(struct connectdata *conn, int sockindex)
+{
+  SECURITY_STATUS status;
+  struct Curl_easy *data = conn->data;
+  struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+  CURLcode result = CURLE_OK;
+  CERT_CONTEXT *pCertContextServer = NULL;
+  const CERT_CHAIN_CONTEXT *pChainContext = NULL;
+  HCERTCHAINENGINE cert_chain_engine = NULL;
+  HCERTSTORE trust_store = NULL;
+  const char * const conn_hostname = SSL_IS_PROXY() ?
+    conn->http_proxy.host.name :
+    conn->host.name;
+
+  status = s_pSecFn->QueryContextAttributes(&BACKEND->ctxt->ctxt_handle,
+                                            SECPKG_ATTR_REMOTE_CERT_CONTEXT,
+                                            &pCertContextServer);
+
+  if((status != SEC_E_OK) || (pCertContextServer == NULL)) {
+    failf(data, "schannel: Failed to read remote certificate context: %s",
+          Curl_sspi_strerror(conn, status));
+    result = CURLE_PEER_FAILED_VERIFICATION;
+  }
+
+  if(result == CURLE_OK && SSL_CONN_CONFIG(CAfile) &&
+      BACKEND->use_manual_cred_validation) {
+    /*
+     * Create a chain engine that uses the certificates in the CA file as
+     * trusted certificates. This is only supported on Windows 7+.
+     */
+
+    if(Curl_verify_windows_version(6, 1, PLATFORM_WINNT, VERSION_LESS_THAN)) {
+      failf(data, "schannel: this version of Windows is too old to support "
+            "certificate verification via CA bundle file.");
+      result = CURLE_SSL_CACERT_BADFILE;
+    }
+    else {
+      /* Open the certificate store */
+      trust_store = CertOpenStore(CERT_STORE_PROV_MEMORY,
+                                  0,
+                                  (HCRYPTPROV)NULL,
+                                  CERT_STORE_CREATE_NEW_FLAG,
+                                  NULL);
+      if(!trust_store) {
+        failf(data, "schannel: failed to create certificate store: %s",
+              Curl_strerror(conn, GetLastError()));
+        result = CURLE_SSL_CACERT_BADFILE;
+      }
+      else {
+        result = add_certs_to_store(trust_store, SSL_CONN_CONFIG(CAfile),
+                                    conn);
+      }
+    }
+
+    if(result == CURLE_OK) {
+      CERT_CHAIN_ENGINE_CONFIG_WIN7 engine_config;
+      BOOL create_engine_result;
+
+      memset(&engine_config, 0, sizeof(engine_config));
+      engine_config.cbSize = sizeof(engine_config);
+      engine_config.hExclusiveRoot = trust_store;
+
+      /* CertCreateCertificateChainEngine will check the expected size of the
+       * CERT_CHAIN_ENGINE_CONFIG structure and fail if the specified size
+       * does not match the expected size. When this occurs, it indicates that
+       * CAINFO is not supported on the version of Windows in use.
+       */
+      create_engine_result =
+        CertCreateCertificateChainEngine(
+          (CERT_CHAIN_ENGINE_CONFIG *)&engine_config, &cert_chain_engine);
+      if(!create_engine_result) {
+        failf(data,
+              "schannel: failed to create certificate chain engine: %s",
+              Curl_strerror(conn, GetLastError()));
+        result = CURLE_SSL_CACERT_BADFILE;
+      }
+    }
+  }
+
+  if(result == CURLE_OK) {
+    CERT_CHAIN_PARA ChainPara;
+
+    memset(&ChainPara, 0, sizeof(ChainPara));
+    ChainPara.cbSize = sizeof(ChainPara);
+
+    if(!CertGetCertificateChain(cert_chain_engine,
+                                pCertContextServer,
+                                NULL,
+                                pCertContextServer->hCertStore,
+                                &ChainPara,
+                                (data->set.ssl.no_revoke ? 0 :
+                                 CERT_CHAIN_REVOCATION_CHECK_CHAIN),
+                                NULL,
+                                &pChainContext)) {
+      failf(data, "schannel: CertGetCertificateChain failed: %s",
+            Curl_sspi_strerror(conn, GetLastError()));
+      pChainContext = NULL;
+      result = CURLE_PEER_FAILED_VERIFICATION;
+    }
+
+    if(result == CURLE_OK) {
+      CERT_SIMPLE_CHAIN *pSimpleChain = pChainContext->rgpChain[0];
+      DWORD dwTrustErrorMask = ~(DWORD)(CERT_TRUST_IS_NOT_TIME_NESTED);
+      dwTrustErrorMask &= pSimpleChain->TrustStatus.dwErrorStatus;
+      if(dwTrustErrorMask) {
+        if(dwTrustErrorMask & CERT_TRUST_IS_REVOKED)
+          failf(data, "schannel: CertGetCertificateChain trust error"
+                " CERT_TRUST_IS_REVOKED");
+        else if(dwTrustErrorMask & CERT_TRUST_IS_PARTIAL_CHAIN)
+          failf(data, "schannel: CertGetCertificateChain trust error"
+                " CERT_TRUST_IS_PARTIAL_CHAIN");
+        else if(dwTrustErrorMask & CERT_TRUST_IS_UNTRUSTED_ROOT)
+          failf(data, "schannel: CertGetCertificateChain trust error"
+                " CERT_TRUST_IS_UNTRUSTED_ROOT");
+        else if(dwTrustErrorMask & CERT_TRUST_IS_NOT_TIME_VALID)
+          failf(data, "schannel: CertGetCertificateChain trust error"
+                " CERT_TRUST_IS_NOT_TIME_VALID");
+        else if(dwTrustErrorMask & CERT_TRUST_REVOCATION_STATUS_UNKNOWN)
+          failf(data, "schannel: CertGetCertificateChain trust error"
+                " CERT_TRUST_REVOCATION_STATUS_UNKNOWN");
+        else
+          failf(data, "schannel: CertGetCertificateChain error mask: 0x%08x",
+                dwTrustErrorMask);
+        result = CURLE_PEER_FAILED_VERIFICATION;
+      }
+    }
+  }
+
+  if(result == CURLE_OK) {
+    if(SSL_CONN_CONFIG(verifyhost)) {
+      result = verify_host(conn->data, pCertContextServer, conn_hostname);
+    }
+  }
+
+  if(cert_chain_engine) {
+    CertFreeCertificateChainEngine(cert_chain_engine);
+  }
+
+  if(trust_store) {
+    CertCloseStore(trust_store, 0);
+  }
+
+  if(pChainContext)
+    CertFreeCertificateChain(pChainContext);
+
+  if(pCertContextServer)
+    CertFreeCertificateContext(pCertContextServer);
+
+  return result;
+}
+
+#endif /* HAS_MANUAL_VERIFY_API */
+#endif /* USE_SCHANNEL */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/vtls.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/vtls.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/vtls.c	(revision 85671)
@@ -0,0 +1,1346 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* This file is for implementing all "generic" SSL functions that all libcurl
+   internals should use. It is then responsible for calling the proper
+   "backend" function.
+
+   SSL-functions in libcurl should call functions in this source file, and not
+   to any specific SSL-layer.
+
+   Curl_ssl_ - prefix for generic ones
+
+   Note that this source code uses the functions of the configured SSL
+   backend via the global Curl_ssl instance.
+
+   "SSL/TLS Strong Encryption: An Introduction"
+   https://httpd.apache.org/docs/2.0/ssl/ssl_intro.html
+*/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+
+#include "urldata.h"
+
+#include "vtls.h" /* generic SSL protos etc */
+#include "slist.h"
+#include "sendf.h"
+#include "strcase.h"
+#include "url.h"
+#include "progress.h"
+#include "share.h"
+#include "multiif.h"
+#include "timeval.h"
+#include "curl_md5.h"
+#include "warnless.h"
+#include "curl_base64.h"
+#include "curl_printf.h"
+
+/* The last #include files should be: */
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* convenience macro to check if this handle is using a shared SSL session */
+#define SSLSESSION_SHARED(data) (data->share &&                        \
+                                 (data->share->specifier &             \
+                                  (1<<CURL_LOCK_DATA_SSL_SESSION)))
+
+#define CLONE_STRING(var)                    \
+  if(source->var) {                          \
+    dest->var = strdup(source->var);         \
+    if(!dest->var)                           \
+      return FALSE;                          \
+  }                                          \
+  else                                       \
+    dest->var = NULL;
+
+bool
+Curl_ssl_config_matches(struct ssl_primary_config* data,
+                        struct ssl_primary_config* needle)
+{
+  if((data->version == needle->version) &&
+     (data->version_max == needle->version_max) &&
+     (data->verifypeer == needle->verifypeer) &&
+     (data->verifyhost == needle->verifyhost) &&
+     (data->verifystatus == needle->verifystatus) &&
+     Curl_safe_strcasecompare(data->CApath, needle->CApath) &&
+     Curl_safe_strcasecompare(data->CAfile, needle->CAfile) &&
+     Curl_safe_strcasecompare(data->clientcert, needle->clientcert) &&
+     Curl_safe_strcasecompare(data->random_file, needle->random_file) &&
+     Curl_safe_strcasecompare(data->egdsocket, needle->egdsocket) &&
+     Curl_safe_strcasecompare(data->cipher_list, needle->cipher_list) &&
+     Curl_safe_strcasecompare(data->cipher_list13, needle->cipher_list13))
+    return TRUE;
+
+  return FALSE;
+}
+
+bool
+Curl_clone_primary_ssl_config(struct ssl_primary_config *source,
+                              struct ssl_primary_config *dest)
+{
+  dest->version = source->version;
+  dest->version_max = source->version_max;
+  dest->verifypeer = source->verifypeer;
+  dest->verifyhost = source->verifyhost;
+  dest->verifystatus = source->verifystatus;
+  dest->sessionid = source->sessionid;
+
+  CLONE_STRING(CApath);
+  CLONE_STRING(CAfile);
+  CLONE_STRING(clientcert);
+  CLONE_STRING(random_file);
+  CLONE_STRING(egdsocket);
+  CLONE_STRING(cipher_list);
+  CLONE_STRING(cipher_list13);
+
+  return TRUE;
+}
+
+void Curl_free_primary_ssl_config(struct ssl_primary_config* sslc)
+{
+  Curl_safefree(sslc->CApath);
+  Curl_safefree(sslc->CAfile);
+  Curl_safefree(sslc->clientcert);
+  Curl_safefree(sslc->random_file);
+  Curl_safefree(sslc->egdsocket);
+  Curl_safefree(sslc->cipher_list);
+  Curl_safefree(sslc->cipher_list13);
+}
+
+#ifdef USE_SSL
+static int multissl_init(const struct Curl_ssl *backend);
+#endif
+
+int Curl_ssl_backend(void)
+{
+#ifdef USE_SSL
+  multissl_init(NULL);
+  return Curl_ssl->info.id;
+#else
+  return (int)CURLSSLBACKEND_NONE;
+#endif
+}
+
+#ifdef USE_SSL
+
+/* "global" init done? */
+static bool init_ssl = FALSE;
+
+/**
+ * Global SSL init
+ *
+ * @retval 0 error initializing SSL
+ * @retval 1 SSL initialized successfully
+ */
+int Curl_ssl_init(void)
+{
+  /* make sure this is only done once */
+  if(init_ssl)
+    return 1;
+  init_ssl = TRUE; /* never again */
+
+  return Curl_ssl->init();
+}
+
+
+/* Global cleanup */
+void Curl_ssl_cleanup(void)
+{
+  if(init_ssl) {
+    /* only cleanup if we did a previous init */
+    Curl_ssl->cleanup();
+    init_ssl = FALSE;
+  }
+}
+
+static bool ssl_prefs_check(struct Curl_easy *data)
+{
+  /* check for CURLOPT_SSLVERSION invalid parameter value */
+  const long sslver = data->set.ssl.primary.version;
+  if((sslver < 0) || (sslver >= CURL_SSLVERSION_LAST)) {
+    failf(data, "Unrecognized parameter value passed via CURLOPT_SSLVERSION");
+    return FALSE;
+  }
+
+  switch(data->set.ssl.primary.version_max) {
+  case CURL_SSLVERSION_MAX_NONE:
+  case CURL_SSLVERSION_MAX_DEFAULT:
+    break;
+
+  default:
+    if((data->set.ssl.primary.version_max >> 16) < sslver) {
+      failf(data, "CURL_SSLVERSION_MAX incompatible with CURL_SSLVERSION");
+      return FALSE;
+    }
+  }
+
+  return TRUE;
+}
+
+static CURLcode
+ssl_connect_init_proxy(struct connectdata *conn, int sockindex)
+{
+  DEBUGASSERT(conn->bits.proxy_ssl_connected[sockindex]);
+  if(ssl_connection_complete == conn->ssl[sockindex].state &&
+     !conn->proxy_ssl[sockindex].use) {
+    struct ssl_backend_data *pbdata;
+
+    if(!(Curl_ssl->supports & SSLSUPP_HTTPS_PROXY))
+      return CURLE_NOT_BUILT_IN;
+
+    /* The pointers to the ssl backend data, which is opaque here, are swapped
+       rather than move the contents. */
+    pbdata = conn->proxy_ssl[sockindex].backend;
+    conn->proxy_ssl[sockindex] = conn->ssl[sockindex];
+
+    memset(&conn->ssl[sockindex], 0, sizeof(conn->ssl[sockindex]));
+    memset(pbdata, 0, Curl_ssl->sizeof_ssl_backend_data);
+
+    conn->ssl[sockindex].backend = pbdata;
+  }
+  return CURLE_OK;
+}
+
+CURLcode
+Curl_ssl_connect(struct connectdata *conn, int sockindex)
+{
+  CURLcode result;
+
+  if(conn->bits.proxy_ssl_connected[sockindex]) {
+    result = ssl_connect_init_proxy(conn, sockindex);
+    if(result)
+      return result;
+  }
+
+  if(!ssl_prefs_check(conn->data))
+    return CURLE_SSL_CONNECT_ERROR;
+
+  /* mark this is being ssl-enabled from here on. */
+  conn->ssl[sockindex].use = TRUE;
+  conn->ssl[sockindex].state = ssl_connection_negotiating;
+
+  result = Curl_ssl->connect(conn, sockindex);
+
+  if(!result)
+    Curl_pgrsTime(conn->data, TIMER_APPCONNECT); /* SSL is connected */
+
+  return result;
+}
+
+CURLcode
+Curl_ssl_connect_nonblocking(struct connectdata *conn, int sockindex,
+                             bool *done)
+{
+  CURLcode result;
+  if(conn->bits.proxy_ssl_connected[sockindex]) {
+    result = ssl_connect_init_proxy(conn, sockindex);
+    if(result)
+      return result;
+  }
+
+  if(!ssl_prefs_check(conn->data))
+    return CURLE_SSL_CONNECT_ERROR;
+
+  /* mark this is being ssl requested from here on. */
+  conn->ssl[sockindex].use = TRUE;
+  result = Curl_ssl->connect_nonblocking(conn, sockindex, done);
+  if(!result && *done)
+    Curl_pgrsTime(conn->data, TIMER_APPCONNECT); /* SSL is connected */
+  return result;
+}
+
+/*
+ * Lock shared SSL session data
+ */
+void Curl_ssl_sessionid_lock(struct connectdata *conn)
+{
+  if(SSLSESSION_SHARED(conn->data))
+    Curl_share_lock(conn->data,
+                    CURL_LOCK_DATA_SSL_SESSION, CURL_LOCK_ACCESS_SINGLE);
+}
+
+/*
+ * Unlock shared SSL session data
+ */
+void Curl_ssl_sessionid_unlock(struct connectdata *conn)
+{
+  if(SSLSESSION_SHARED(conn->data))
+    Curl_share_unlock(conn->data, CURL_LOCK_DATA_SSL_SESSION);
+}
+
+/*
+ * Check if there's a session ID for the given connection in the cache, and if
+ * there's one suitable, it is provided. Returns TRUE when no entry matched.
+ */
+bool Curl_ssl_getsessionid(struct connectdata *conn,
+                           void **ssl_sessionid,
+                           size_t *idsize, /* set 0 if unknown */
+                           int sockindex)
+{
+  struct curl_ssl_session *check;
+  struct Curl_easy *data = conn->data;
+  size_t i;
+  long *general_age;
+  bool no_match = TRUE;
+
+  const bool isProxy = CONNECT_PROXY_SSL();
+  struct ssl_primary_config * const ssl_config = isProxy ?
+    &conn->proxy_ssl_config :
+    &conn->ssl_config;
+  const char * const name = isProxy ? conn->http_proxy.host.name :
+    conn->host.name;
+  int port = isProxy ? (int)conn->port : conn->remote_port;
+  *ssl_sessionid = NULL;
+
+  DEBUGASSERT(SSL_SET_OPTION(primary.sessionid));
+
+  if(!SSL_SET_OPTION(primary.sessionid))
+    /* session ID re-use is disabled */
+    return TRUE;
+
+  /* Lock if shared */
+  if(SSLSESSION_SHARED(data))
+    general_age = &data->share->sessionage;
+  else
+    general_age = &data->state.sessionage;
+
+  for(i = 0; i < data->set.general_ssl.max_ssl_sessions; i++) {
+    check = &data->state.session[i];
+    if(!check->sessionid)
+      /* not session ID means blank entry */
+      continue;
+    if(strcasecompare(name, check->name) &&
+       ((!conn->bits.conn_to_host && !check->conn_to_host) ||
+        (conn->bits.conn_to_host && check->conn_to_host &&
+         strcasecompare(conn->conn_to_host.name, check->conn_to_host))) &&
+       ((!conn->bits.conn_to_port && check->conn_to_port == -1) ||
+        (conn->bits.conn_to_port && check->conn_to_port != -1 &&
+         conn->conn_to_port == check->conn_to_port)) &&
+       (port == check->remote_port) &&
+       strcasecompare(conn->handler->scheme, check->scheme) &&
+       Curl_ssl_config_matches(ssl_config, &check->ssl_config)) {
+      /* yes, we have a session ID! */
+      (*general_age)++;          /* increase general age */
+      check->age = *general_age; /* set this as used in this age */
+      *ssl_sessionid = check->sessionid;
+      if(idsize)
+        *idsize = check->idsize;
+      no_match = FALSE;
+      break;
+    }
+  }
+
+  return no_match;
+}
+
+/*
+ * Kill a single session ID entry in the cache.
+ */
+void Curl_ssl_kill_session(struct curl_ssl_session *session)
+{
+  if(session->sessionid) {
+    /* defensive check */
+
+    /* free the ID the SSL-layer specific way */
+    Curl_ssl->session_free(session->sessionid);
+
+    session->sessionid = NULL;
+    session->age = 0; /* fresh */
+
+    Curl_free_primary_ssl_config(&session->ssl_config);
+
+    Curl_safefree(session->name);
+    Curl_safefree(session->conn_to_host);
+  }
+}
+
+/*
+ * Delete the given session ID from the cache.
+ */
+void Curl_ssl_delsessionid(struct connectdata *conn, void *ssl_sessionid)
+{
+  size_t i;
+  struct Curl_easy *data = conn->data;
+
+  for(i = 0; i < data->set.general_ssl.max_ssl_sessions; i++) {
+    struct curl_ssl_session *check = &data->state.session[i];
+
+    if(check->sessionid == ssl_sessionid) {
+      Curl_ssl_kill_session(check);
+      break;
+    }
+  }
+}
+
+/*
+ * Store session id in the session cache. The ID passed on to this function
+ * must already have been extracted and allocated the proper way for the SSL
+ * layer. Curl_XXXX_session_free() will be called to free/kill the session ID
+ * later on.
+ */
+CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
+                               void *ssl_sessionid,
+                               size_t idsize,
+                               int sockindex)
+{
+  size_t i;
+  struct Curl_easy *data = conn->data; /* the mother of all structs */
+  struct curl_ssl_session *store = &data->state.session[0];
+  long oldest_age = data->state.session[0].age; /* zero if unused */
+  char *clone_host;
+  char *clone_conn_to_host;
+  int conn_to_port;
+  long *general_age;
+  const bool isProxy = CONNECT_PROXY_SSL();
+  struct ssl_primary_config * const ssl_config = isProxy ?
+    &conn->proxy_ssl_config :
+    &conn->ssl_config;
+
+  DEBUGASSERT(SSL_SET_OPTION(primary.sessionid));
+
+  clone_host = strdup(isProxy ? conn->http_proxy.host.name : conn->host.name);
+  if(!clone_host)
+    return CURLE_OUT_OF_MEMORY; /* bail out */
+
+  if(conn->bits.conn_to_host) {
+    clone_conn_to_host = strdup(conn->conn_to_host.name);
+    if(!clone_conn_to_host) {
+      free(clone_host);
+      return CURLE_OUT_OF_MEMORY; /* bail out */
+    }
+  }
+  else
+    clone_conn_to_host = NULL;
+
+  if(conn->bits.conn_to_port)
+    conn_to_port = conn->conn_to_port;
+  else
+    conn_to_port = -1;
+
+  /* Now we should add the session ID and the host name to the cache, (remove
+     the oldest if necessary) */
+
+  /* If using shared SSL session, lock! */
+  if(SSLSESSION_SHARED(data)) {
+    general_age = &data->share->sessionage;
+  }
+  else {
+    general_age = &data->state.sessionage;
+  }
+
+  /* find an empty slot for us, or find the oldest */
+  for(i = 1; (i < data->set.general_ssl.max_ssl_sessions) &&
+        data->state.session[i].sessionid; i++) {
+    if(data->state.session[i].age < oldest_age) {
+      oldest_age = data->state.session[i].age;
+      store = &data->state.session[i];
+    }
+  }
+  if(i == data->set.general_ssl.max_ssl_sessions)
+    /* cache is full, we must "kill" the oldest entry! */
+    Curl_ssl_kill_session(store);
+  else
+    store = &data->state.session[i]; /* use this slot */
+
+  /* now init the session struct wisely */
+  store->sessionid = ssl_sessionid;
+  store->idsize = idsize;
+  store->age = *general_age;    /* set current age */
+  /* free it if there's one already present */
+  free(store->name);
+  free(store->conn_to_host);
+  store->name = clone_host;               /* clone host name */
+  store->conn_to_host = clone_conn_to_host; /* clone connect to host name */
+  store->conn_to_port = conn_to_port; /* connect to port number */
+  /* port number */
+  store->remote_port = isProxy ? (int)conn->port : conn->remote_port;
+  store->scheme = conn->handler->scheme;
+
+  if(!Curl_clone_primary_ssl_config(ssl_config, &store->ssl_config)) {
+    store->sessionid = NULL; /* let caller free sessionid */
+    free(clone_host);
+    free(clone_conn_to_host);
+    return CURLE_OUT_OF_MEMORY;
+  }
+
+  return CURLE_OK;
+}
+
+
+void Curl_ssl_close_all(struct Curl_easy *data)
+{
+  size_t i;
+  /* kill the session ID cache if not shared */
+  if(data->state.session && !SSLSESSION_SHARED(data)) {
+    for(i = 0; i < data->set.general_ssl.max_ssl_sessions; i++)
+      /* the single-killer function handles empty table slots */
+      Curl_ssl_kill_session(&data->state.session[i]);
+
+    /* free the cache data */
+    Curl_safefree(data->state.session);
+  }
+
+  Curl_ssl->close_all(data);
+}
+
+#if defined(USE_OPENSSL) || defined(USE_GNUTLS) || defined(USE_SCHANNEL) || \
+  defined(USE_DARWINSSL) || defined(USE_POLARSSL) || defined(USE_NSS) || \
+  defined(USE_MBEDTLS) || defined(USE_CYASSL)
+int Curl_ssl_getsock(struct connectdata *conn, curl_socket_t *socks,
+                     int numsocks)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[FIRSTSOCKET];
+
+  if(!numsocks)
+    return GETSOCK_BLANK;
+
+  if(connssl->connecting_state == ssl_connect_2_writing) {
+    /* write mode */
+    socks[0] = conn->sock[FIRSTSOCKET];
+    return GETSOCK_WRITESOCK(0);
+  }
+  if(connssl->connecting_state == ssl_connect_2_reading) {
+    /* read mode */
+    socks[0] = conn->sock[FIRSTSOCKET];
+    return GETSOCK_READSOCK(0);
+  }
+
+  return GETSOCK_BLANK;
+}
+#else
+int Curl_ssl_getsock(struct connectdata *conn,
+                     curl_socket_t *socks,
+                     int numsocks)
+{
+  (void)conn;
+  (void)socks;
+  (void)numsocks;
+  return GETSOCK_BLANK;
+}
+/* USE_OPENSSL || USE_GNUTLS || USE_SCHANNEL || USE_DARWINSSL || USE_NSS */
+#endif
+
+void Curl_ssl_close(struct connectdata *conn, int sockindex)
+{
+  DEBUGASSERT((sockindex <= 1) && (sockindex >= -1));
+  Curl_ssl->close_one(conn, sockindex);
+}
+
+CURLcode Curl_ssl_shutdown(struct connectdata *conn, int sockindex)
+{
+  if(Curl_ssl->shutdown(conn, sockindex))
+    return CURLE_SSL_SHUTDOWN_FAILED;
+
+  conn->ssl[sockindex].use = FALSE; /* get back to ordinary socket usage */
+  conn->ssl[sockindex].state = ssl_connection_none;
+
+  conn->recv[sockindex] = Curl_recv_plain;
+  conn->send[sockindex] = Curl_send_plain;
+
+  return CURLE_OK;
+}
+
+/* Selects an SSL crypto engine
+ */
+CURLcode Curl_ssl_set_engine(struct Curl_easy *data, const char *engine)
+{
+  return Curl_ssl->set_engine(data, engine);
+}
+
+/* Selects the default SSL crypto engine
+ */
+CURLcode Curl_ssl_set_engine_default(struct Curl_easy *data)
+{
+  return Curl_ssl->set_engine_default(data);
+}
+
+/* Return list of OpenSSL crypto engine names. */
+struct curl_slist *Curl_ssl_engines_list(struct Curl_easy *data)
+{
+  return Curl_ssl->engines_list(data);
+}
+
+/*
+ * This sets up a session ID cache to the specified size. Make sure this code
+ * is agnostic to what underlying SSL technology we use.
+ */
+CURLcode Curl_ssl_initsessions(struct Curl_easy *data, size_t amount)
+{
+  struct curl_ssl_session *session;
+
+  if(data->state.session)
+    /* this is just a precaution to prevent multiple inits */
+    return CURLE_OK;
+
+  session = calloc(amount, sizeof(struct curl_ssl_session));
+  if(!session)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* store the info in the SSL section */
+  data->set.general_ssl.max_ssl_sessions = amount;
+  data->state.session = session;
+  data->state.sessionage = 1; /* this is brand new */
+  return CURLE_OK;
+}
+
+static size_t Curl_multissl_version(char *buffer, size_t size);
+
+size_t Curl_ssl_version(char *buffer, size_t size)
+{
+#ifdef CURL_WITH_MULTI_SSL
+  return Curl_multissl_version(buffer, size);
+#else
+  return Curl_ssl->version(buffer, size);
+#endif
+}
+
+/*
+ * This function tries to determine connection status.
+ *
+ * Return codes:
+ *     1 means the connection is still in place
+ *     0 means the connection has been closed
+ *    -1 means the connection status is unknown
+ */
+int Curl_ssl_check_cxn(struct connectdata *conn)
+{
+  return Curl_ssl->check_cxn(conn);
+}
+
+bool Curl_ssl_data_pending(const struct connectdata *conn,
+                           int connindex)
+{
+  return Curl_ssl->data_pending(conn, connindex);
+}
+
+void Curl_ssl_free_certinfo(struct Curl_easy *data)
+{
+  int i;
+  struct curl_certinfo *ci = &data->info.certs;
+
+  if(ci->num_of_certs) {
+    /* free all individual lists used */
+    for(i = 0; i<ci->num_of_certs; i++) {
+      curl_slist_free_all(ci->certinfo[i]);
+      ci->certinfo[i] = NULL;
+    }
+
+    free(ci->certinfo); /* free the actual array too */
+    ci->certinfo = NULL;
+    ci->num_of_certs = 0;
+  }
+}
+
+CURLcode Curl_ssl_init_certinfo(struct Curl_easy *data, int num)
+{
+  struct curl_certinfo *ci = &data->info.certs;
+  struct curl_slist **table;
+
+  /* Free any previous certificate information structures */
+  Curl_ssl_free_certinfo(data);
+
+  /* Allocate the required certificate information structures */
+  table = calloc((size_t) num, sizeof(struct curl_slist *));
+  if(!table)
+    return CURLE_OUT_OF_MEMORY;
+
+  ci->num_of_certs = num;
+  ci->certinfo = table;
+
+  return CURLE_OK;
+}
+
+/*
+ * 'value' is NOT a zero terminated string
+ */
+CURLcode Curl_ssl_push_certinfo_len(struct Curl_easy *data,
+                                    int certnum,
+                                    const char *label,
+                                    const char *value,
+                                    size_t valuelen)
+{
+  struct curl_certinfo *ci = &data->info.certs;
+  char *output;
+  struct curl_slist *nl;
+  CURLcode result = CURLE_OK;
+  size_t labellen = strlen(label);
+  size_t outlen = labellen + 1 + valuelen + 1; /* label:value\0 */
+
+  output = malloc(outlen);
+  if(!output)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* sprintf the label and colon */
+  msnprintf(output, outlen, "%s:", label);
+
+  /* memcpy the value (it might not be zero terminated) */
+  memcpy(&output[labellen + 1], value, valuelen);
+
+  /* zero terminate the output */
+  output[labellen + 1 + valuelen] = 0;
+
+  nl = Curl_slist_append_nodup(ci->certinfo[certnum], output);
+  if(!nl) {
+    free(output);
+    curl_slist_free_all(ci->certinfo[certnum]);
+    result = CURLE_OUT_OF_MEMORY;
+  }
+
+  ci->certinfo[certnum] = nl;
+  return result;
+}
+
+/*
+ * This is a convenience function for push_certinfo_len that takes a zero
+ * terminated value.
+ */
+CURLcode Curl_ssl_push_certinfo(struct Curl_easy *data,
+                                int certnum,
+                                const char *label,
+                                const char *value)
+{
+  size_t valuelen = strlen(value);
+
+  return Curl_ssl_push_certinfo_len(data, certnum, label, value, valuelen);
+}
+
+CURLcode Curl_ssl_random(struct Curl_easy *data,
+                         unsigned char *entropy,
+                         size_t length)
+{
+  return Curl_ssl->random(data, entropy, length);
+}
+
+/*
+ * Public key pem to der conversion
+ */
+
+static CURLcode pubkey_pem_to_der(const char *pem,
+                                  unsigned char **der, size_t *der_len)
+{
+  char *stripped_pem, *begin_pos, *end_pos;
+  size_t pem_count, stripped_pem_count = 0, pem_len;
+  CURLcode result;
+
+  /* if no pem, exit. */
+  if(!pem)
+    return CURLE_BAD_CONTENT_ENCODING;
+
+  begin_pos = strstr(pem, "-----BEGIN PUBLIC KEY-----");
+  if(!begin_pos)
+    return CURLE_BAD_CONTENT_ENCODING;
+
+  pem_count = begin_pos - pem;
+  /* Invalid if not at beginning AND not directly following \n */
+  if(0 != pem_count && '\n' != pem[pem_count - 1])
+    return CURLE_BAD_CONTENT_ENCODING;
+
+  /* 26 is length of "-----BEGIN PUBLIC KEY-----" */
+  pem_count += 26;
+
+  /* Invalid if not directly following \n */
+  end_pos = strstr(pem + pem_count, "\n-----END PUBLIC KEY-----");
+  if(!end_pos)
+    return CURLE_BAD_CONTENT_ENCODING;
+
+  pem_len = end_pos - pem;
+
+  stripped_pem = malloc(pem_len - pem_count + 1);
+  if(!stripped_pem)
+    return CURLE_OUT_OF_MEMORY;
+
+  /*
+   * Here we loop through the pem array one character at a time between the
+   * correct indices, and place each character that is not '\n' or '\r'
+   * into the stripped_pem array, which should represent the raw base64 string
+   */
+  while(pem_count < pem_len) {
+    if('\n' != pem[pem_count] && '\r' != pem[pem_count])
+      stripped_pem[stripped_pem_count++] = pem[pem_count];
+    ++pem_count;
+  }
+  /* Place the null terminator in the correct place */
+  stripped_pem[stripped_pem_count] = '\0';
+
+  result = Curl_base64_decode(stripped_pem, der, der_len);
+
+  Curl_safefree(stripped_pem);
+
+  return result;
+}
+
+/*
+ * Generic pinned public key check.
+ */
+
+CURLcode Curl_pin_peer_pubkey(struct Curl_easy *data,
+                              const char *pinnedpubkey,
+                              const unsigned char *pubkey, size_t pubkeylen)
+{
+  FILE *fp;
+  unsigned char *buf = NULL, *pem_ptr = NULL;
+  long filesize;
+  size_t size, pem_len;
+  CURLcode pem_read;
+  CURLcode result = CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+  CURLcode encode;
+  size_t encodedlen, pinkeylen;
+  char *encoded, *pinkeycopy, *begin_pos, *end_pos;
+  unsigned char *sha256sumdigest = NULL;
+
+  /* if a path wasn't specified, don't pin */
+  if(!pinnedpubkey)
+    return CURLE_OK;
+  if(!pubkey || !pubkeylen)
+    return result;
+
+  /* only do this if pinnedpubkey starts with "sha256//", length 8 */
+  if(strncmp(pinnedpubkey, "sha256//", 8) == 0) {
+    if(!Curl_ssl->sha256sum) {
+      /* without sha256 support, this cannot match */
+      return result;
+    }
+
+    /* compute sha256sum of public key */
+    sha256sumdigest = malloc(CURL_SHA256_DIGEST_LENGTH);
+    if(!sha256sumdigest)
+      return CURLE_OUT_OF_MEMORY;
+    encode = Curl_ssl->sha256sum(pubkey, pubkeylen,
+                        sha256sumdigest, CURL_SHA256_DIGEST_LENGTH);
+
+    if(encode != CURLE_OK)
+      return encode;
+
+    encode = Curl_base64_encode(data, (char *)sha256sumdigest,
+                                CURL_SHA256_DIGEST_LENGTH, &encoded,
+                                &encodedlen);
+    Curl_safefree(sha256sumdigest);
+
+    if(encode)
+      return encode;
+
+    infof(data, "\t public key hash: sha256//%s\n", encoded);
+
+    /* it starts with sha256//, copy so we can modify it */
+    pinkeylen = strlen(pinnedpubkey) + 1;
+    pinkeycopy = malloc(pinkeylen);
+    if(!pinkeycopy) {
+      Curl_safefree(encoded);
+      return CURLE_OUT_OF_MEMORY;
+    }
+    memcpy(pinkeycopy, pinnedpubkey, pinkeylen);
+    /* point begin_pos to the copy, and start extracting keys */
+    begin_pos = pinkeycopy;
+    do {
+      end_pos = strstr(begin_pos, ";sha256//");
+      /*
+       * if there is an end_pos, null terminate,
+       * otherwise it'll go to the end of the original string
+       */
+      if(end_pos)
+        end_pos[0] = '\0';
+
+      /* compare base64 sha256 digests, 8 is the length of "sha256//" */
+      if(encodedlen == strlen(begin_pos + 8) &&
+         !memcmp(encoded, begin_pos + 8, encodedlen)) {
+        result = CURLE_OK;
+        break;
+      }
+
+      /*
+       * change back the null-terminator we changed earlier,
+       * and look for next begin
+       */
+      if(end_pos) {
+        end_pos[0] = ';';
+        begin_pos = strstr(end_pos, "sha256//");
+      }
+    } while(end_pos && begin_pos);
+    Curl_safefree(encoded);
+    Curl_safefree(pinkeycopy);
+    return result;
+  }
+
+  fp = fopen(pinnedpubkey, "rb");
+  if(!fp)
+    return result;
+
+  do {
+    /* Determine the file's size */
+    if(fseek(fp, 0, SEEK_END))
+      break;
+    filesize = ftell(fp);
+    if(fseek(fp, 0, SEEK_SET))
+      break;
+    if(filesize < 0 || filesize > MAX_PINNED_PUBKEY_SIZE)
+      break;
+
+    /*
+     * if the size of our certificate is bigger than the file
+     * size then it can't match
+     */
+    size = curlx_sotouz((curl_off_t) filesize);
+    if(pubkeylen > size)
+      break;
+
+    /*
+     * Allocate buffer for the pinned key
+     * With 1 additional byte for null terminator in case of PEM key
+     */
+    buf = malloc(size + 1);
+    if(!buf)
+      break;
+
+    /* Returns number of elements read, which should be 1 */
+    if((int) fread(buf, size, 1, fp) != 1)
+      break;
+
+    /* If the sizes are the same, it can't be base64 encoded, must be der */
+    if(pubkeylen == size) {
+      if(!memcmp(pubkey, buf, pubkeylen))
+        result = CURLE_OK;
+      break;
+    }
+
+    /*
+     * Otherwise we will assume it's PEM and try to decode it
+     * after placing null terminator
+     */
+    buf[size] = '\0';
+    pem_read = pubkey_pem_to_der((const char *)buf, &pem_ptr, &pem_len);
+    /* if it wasn't read successfully, exit */
+    if(pem_read)
+      break;
+
+    /*
+     * if the size of our certificate doesn't match the size of
+     * the decoded file, they can't be the same, otherwise compare
+     */
+    if(pubkeylen == pem_len && !memcmp(pubkey, pem_ptr, pubkeylen))
+      result = CURLE_OK;
+  } while(0);
+
+  Curl_safefree(buf);
+  Curl_safefree(pem_ptr);
+  fclose(fp);
+
+  return result;
+}
+
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+CURLcode Curl_ssl_md5sum(unsigned char *tmp, /* input */
+                         size_t tmplen,
+                         unsigned char *md5sum, /* output */
+                         size_t md5len)
+{
+  return Curl_ssl->md5sum(tmp, tmplen, md5sum, md5len);
+}
+#endif
+
+/*
+ * Check whether the SSL backend supports the status_request extension.
+ */
+bool Curl_ssl_cert_status_request(void)
+{
+  return Curl_ssl->cert_status_request();
+}
+
+/*
+ * Check whether the SSL backend supports false start.
+ */
+bool Curl_ssl_false_start(void)
+{
+  return Curl_ssl->false_start();
+}
+
+/*
+ * Check whether the SSL backend supports setting TLS 1.3 cipher suites
+ */
+bool Curl_ssl_tls13_ciphersuites(void)
+{
+  return Curl_ssl->supports & SSLSUPP_TLS13_CIPHERSUITES;
+}
+
+/*
+ * Default implementations for unsupported functions.
+ */
+
+int Curl_none_init(void)
+{
+  return 1;
+}
+
+void Curl_none_cleanup(void)
+{ }
+
+int Curl_none_shutdown(struct connectdata *conn UNUSED_PARAM,
+                       int sockindex UNUSED_PARAM)
+{
+  (void)conn;
+  (void)sockindex;
+  return 0;
+}
+
+int Curl_none_check_cxn(struct connectdata *conn UNUSED_PARAM)
+{
+  (void)conn;
+  return -1;
+}
+
+CURLcode Curl_none_random(struct Curl_easy *data UNUSED_PARAM,
+                          unsigned char *entropy UNUSED_PARAM,
+                          size_t length UNUSED_PARAM)
+{
+  (void)data;
+  (void)entropy;
+  (void)length;
+  return CURLE_NOT_BUILT_IN;
+}
+
+void Curl_none_close_all(struct Curl_easy *data UNUSED_PARAM)
+{
+  (void)data;
+}
+
+void Curl_none_session_free(void *ptr UNUSED_PARAM)
+{
+  (void)ptr;
+}
+
+bool Curl_none_data_pending(const struct connectdata *conn UNUSED_PARAM,
+                            int connindex UNUSED_PARAM)
+{
+  (void)conn;
+  (void)connindex;
+  return 0;
+}
+
+bool Curl_none_cert_status_request(void)
+{
+  return FALSE;
+}
+
+CURLcode Curl_none_set_engine(struct Curl_easy *data UNUSED_PARAM,
+                              const char *engine UNUSED_PARAM)
+{
+  (void)data;
+  (void)engine;
+  return CURLE_NOT_BUILT_IN;
+}
+
+CURLcode Curl_none_set_engine_default(struct Curl_easy *data UNUSED_PARAM)
+{
+  (void)data;
+  return CURLE_NOT_BUILT_IN;
+}
+
+struct curl_slist *Curl_none_engines_list(struct Curl_easy *data UNUSED_PARAM)
+{
+  (void)data;
+  return (struct curl_slist *)NULL;
+}
+
+bool Curl_none_false_start(void)
+{
+  return FALSE;
+}
+
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+CURLcode Curl_none_md5sum(unsigned char *input, size_t inputlen,
+                          unsigned char *md5sum, size_t md5len UNUSED_PARAM)
+{
+  MD5_context *MD5pw;
+
+  (void)md5len;
+
+  MD5pw = Curl_MD5_init(Curl_DIGEST_MD5);
+  if(!MD5pw)
+    return CURLE_OUT_OF_MEMORY;
+  Curl_MD5_update(MD5pw, input, curlx_uztoui(inputlen));
+  Curl_MD5_final(MD5pw, md5sum);
+  return CURLE_OK;
+}
+#else
+CURLcode Curl_none_md5sum(unsigned char *input UNUSED_PARAM,
+                          size_t inputlen UNUSED_PARAM,
+                          unsigned char *md5sum UNUSED_PARAM,
+                          size_t md5len UNUSED_PARAM)
+{
+  (void)input;
+  (void)inputlen;
+  (void)md5sum;
+  (void)md5len;
+  return CURLE_NOT_BUILT_IN;
+}
+#endif
+
+static int Curl_multissl_init(void)
+{
+  if(multissl_init(NULL))
+    return 1;
+  return Curl_ssl->init();
+}
+
+static CURLcode Curl_multissl_connect(struct connectdata *conn, int sockindex)
+{
+  if(multissl_init(NULL))
+    return CURLE_FAILED_INIT;
+  return Curl_ssl->connect(conn, sockindex);
+}
+
+static CURLcode Curl_multissl_connect_nonblocking(struct connectdata *conn,
+                                                  int sockindex, bool *done)
+{
+  if(multissl_init(NULL))
+    return CURLE_FAILED_INIT;
+  return Curl_ssl->connect_nonblocking(conn, sockindex, done);
+}
+
+static void *Curl_multissl_get_internals(struct ssl_connect_data *connssl,
+                                         CURLINFO info)
+{
+  if(multissl_init(NULL))
+    return NULL;
+  return Curl_ssl->get_internals(connssl, info);
+}
+
+static void Curl_multissl_close(struct connectdata *conn, int sockindex)
+{
+  if(multissl_init(NULL))
+    return;
+  Curl_ssl->close_one(conn, sockindex);
+}
+
+static const struct Curl_ssl Curl_ssl_multi = {
+  { CURLSSLBACKEND_NONE, "multi" },  /* info */
+  0, /* supports nothing */
+  (size_t)-1, /* something insanely large to be on the safe side */
+
+  Curl_multissl_init,                /* init */
+  Curl_none_cleanup,                 /* cleanup */
+  Curl_multissl_version,             /* version */
+  Curl_none_check_cxn,               /* check_cxn */
+  Curl_none_shutdown,                /* shutdown */
+  Curl_none_data_pending,            /* data_pending */
+  Curl_none_random,                  /* random */
+  Curl_none_cert_status_request,     /* cert_status_request */
+  Curl_multissl_connect,             /* connect */
+  Curl_multissl_connect_nonblocking, /* connect_nonblocking */
+  Curl_multissl_get_internals,       /* get_internals */
+  Curl_multissl_close,               /* close_one */
+  Curl_none_close_all,               /* close_all */
+  Curl_none_session_free,            /* session_free */
+  Curl_none_set_engine,              /* set_engine */
+  Curl_none_set_engine_default,      /* set_engine_default */
+  Curl_none_engines_list,            /* engines_list */
+  Curl_none_false_start,             /* false_start */
+  Curl_none_md5sum,                  /* md5sum */
+  NULL                               /* sha256sum */
+};
+
+const struct Curl_ssl *Curl_ssl =
+#if defined(CURL_WITH_MULTI_SSL)
+  &Curl_ssl_multi;
+#elif defined(USE_CYASSL)
+  &Curl_ssl_cyassl;
+#elif defined(USE_DARWINSSL)
+  &Curl_ssl_darwinssl;
+#elif defined(USE_GNUTLS)
+  &Curl_ssl_gnutls;
+#elif defined(USE_GSKIT)
+  &Curl_ssl_gskit;
+#elif defined(USE_MBEDTLS)
+  &Curl_ssl_mbedtls;
+#elif defined(USE_NSS)
+  &Curl_ssl_nss;
+#elif defined(USE_OPENSSL)
+  &Curl_ssl_openssl;
+#elif defined(USE_POLARSSL)
+  &Curl_ssl_polarssl;
+#elif defined(USE_SCHANNEL)
+  &Curl_ssl_schannel;
+#elif defined(USE_MESALINK)
+  &Curl_ssl_mesalink;
+#else
+#error "Missing struct Curl_ssl for selected SSL backend"
+#endif
+
+static const struct Curl_ssl *available_backends[] = {
+#if defined(USE_CYASSL)
+  &Curl_ssl_cyassl,
+#endif
+#if defined(USE_DARWINSSL)
+  &Curl_ssl_darwinssl,
+#endif
+#if defined(USE_GNUTLS)
+  &Curl_ssl_gnutls,
+#endif
+#if defined(USE_GSKIT)
+  &Curl_ssl_gskit,
+#endif
+#if defined(USE_MBEDTLS)
+  &Curl_ssl_mbedtls,
+#endif
+#if defined(USE_NSS)
+  &Curl_ssl_nss,
+#endif
+#if defined(USE_OPENSSL)
+  &Curl_ssl_openssl,
+#endif
+#if defined(USE_POLARSSL)
+  &Curl_ssl_polarssl,
+#endif
+#if defined(USE_SCHANNEL)
+  &Curl_ssl_schannel,
+#endif
+#if defined(USE_MESALINK)
+  &Curl_ssl_mesalink,
+#endif
+  NULL
+};
+
+static size_t Curl_multissl_version(char *buffer, size_t size)
+{
+  static const struct Curl_ssl *selected;
+  static char backends[200];
+  static size_t total;
+  const struct Curl_ssl *current;
+
+  current = Curl_ssl == &Curl_ssl_multi ? available_backends[0] : Curl_ssl;
+
+  if(current != selected) {
+    char *p = backends;
+    int i;
+
+    selected = current;
+
+    for(i = 0; available_backends[i]; i++) {
+      if(i)
+        *(p++) = ' ';
+      if(selected != available_backends[i])
+        *(p++) = '(';
+      p += available_backends[i]->version(p, backends + sizeof(backends) - p);
+      if(selected != available_backends[i])
+        *(p++) = ')';
+    }
+    *p = '\0';
+    total = p - backends;
+  }
+
+  if(size < total)
+    memcpy(buffer, backends, total + 1);
+  else {
+    memcpy(buffer, backends, size - 1);
+    buffer[size - 1] = '\0';
+  }
+
+  return total;
+}
+
+static int multissl_init(const struct Curl_ssl *backend)
+{
+  const char *env;
+  char *env_tmp;
+  int i;
+
+  if(Curl_ssl != &Curl_ssl_multi)
+    return 1;
+
+  if(backend) {
+    Curl_ssl = backend;
+    return 0;
+  }
+
+  if(!available_backends[0])
+    return 1;
+
+  env = env_tmp = curl_getenv("CURL_SSL_BACKEND");
+#ifdef CURL_DEFAULT_SSL_BACKEND
+  if(!env)
+    env = CURL_DEFAULT_SSL_BACKEND;
+#endif
+  if(env) {
+    for(i = 0; available_backends[i]; i++) {
+      if(strcasecompare(env, available_backends[i]->info.name)) {
+        Curl_ssl = available_backends[i];
+        curl_free(env_tmp);
+        return 0;
+      }
+    }
+  }
+
+  /* Fall back to first available backend */
+  Curl_ssl = available_backends[0];
+  curl_free(env_tmp);
+  return 0;
+}
+
+CURLsslset curl_global_sslset(curl_sslbackend id, const char *name,
+                              const curl_ssl_backend ***avail)
+{
+  int i;
+
+  if(avail)
+    *avail = (const curl_ssl_backend **)&available_backends;
+
+  if(Curl_ssl != &Curl_ssl_multi)
+    return id == Curl_ssl->info.id ||
+           (name && strcasecompare(name, Curl_ssl->info.name)) ?
+           CURLSSLSET_OK :
+#if defined(CURL_WITH_MULTI_SSL)
+           CURLSSLSET_TOO_LATE;
+#else
+           CURLSSLSET_UNKNOWN_BACKEND;
+#endif
+
+  for(i = 0; available_backends[i]; i++) {
+    if(available_backends[i]->info.id == id ||
+       (name && strcasecompare(available_backends[i]->info.name, name))) {
+      multissl_init(available_backends[i]);
+      return CURLSSLSET_OK;
+    }
+  }
+
+  return CURLSSLSET_UNKNOWN_BACKEND;
+}
+
+#else /* USE_SSL */
+CURLsslset curl_global_sslset(curl_sslbackend id, const char *name,
+                              const curl_ssl_backend ***avail)
+{
+  (void)id;
+  (void)name;
+  (void)avail;
+  return CURLSSLSET_NO_BACKENDS;
+}
+
+#endif /* !USE_SSL */
Index: trunk/src/libs/curl-7.64.0/lib/vtls/vtls.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/vtls/vtls.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/vtls/vtls.h	(revision 85671)
@@ -0,0 +1,278 @@
+#ifndef HEADER_CURL_VTLS_H
+#define HEADER_CURL_VTLS_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+struct connectdata;
+struct ssl_connect_data;
+
+#define SSLSUPP_CA_PATH      (1<<0) /* supports CAPATH */
+#define SSLSUPP_CERTINFO     (1<<1) /* supports CURLOPT_CERTINFO */
+#define SSLSUPP_PINNEDPUBKEY (1<<2) /* supports CURLOPT_PINNEDPUBLICKEY */
+#define SSLSUPP_SSL_CTX      (1<<3) /* supports CURLOPT_SSL_CTX */
+#define SSLSUPP_HTTPS_PROXY  (1<<4) /* supports access via HTTPS proxies */
+#define SSLSUPP_TLS13_CIPHERSUITES (1<<5) /* supports TLS 1.3 ciphersuites */
+
+struct Curl_ssl {
+  /*
+   * This *must* be the first entry to allow returning the list of available
+   * backends in curl_global_sslset().
+   */
+  curl_ssl_backend info;
+  unsigned int supports; /* bitfield, see above */
+  size_t sizeof_ssl_backend_data;
+
+  int (*init)(void);
+  void (*cleanup)(void);
+
+  size_t (*version)(char *buffer, size_t size);
+  int (*check_cxn)(struct connectdata *cxn);
+  int (*shutdown)(struct connectdata *conn, int sockindex);
+  bool (*data_pending)(const struct connectdata *conn,
+                       int connindex);
+
+  /* return 0 if a find random is filled in */
+  CURLcode (*random)(struct Curl_easy *data, unsigned char *entropy,
+                     size_t length);
+  bool (*cert_status_request)(void);
+
+  CURLcode (*connect)(struct connectdata *conn, int sockindex);
+  CURLcode (*connect_nonblocking)(struct connectdata *conn, int sockindex,
+                                  bool *done);
+  void *(*get_internals)(struct ssl_connect_data *connssl, CURLINFO info);
+  void (*close_one)(struct connectdata *conn, int sockindex);
+  void (*close_all)(struct Curl_easy *data);
+  void (*session_free)(void *ptr);
+
+  CURLcode (*set_engine)(struct Curl_easy *data, const char *engine);
+  CURLcode (*set_engine_default)(struct Curl_easy *data);
+  struct curl_slist *(*engines_list)(struct Curl_easy *data);
+
+  bool (*false_start)(void);
+
+  CURLcode (*md5sum)(unsigned char *input, size_t inputlen,
+                     unsigned char *md5sum, size_t md5sumlen);
+  CURLcode (*sha256sum)(const unsigned char *input, size_t inputlen,
+                    unsigned char *sha256sum, size_t sha256sumlen);
+};
+
+#ifdef USE_SSL
+extern const struct Curl_ssl *Curl_ssl;
+#endif
+
+int Curl_none_init(void);
+void Curl_none_cleanup(void);
+int Curl_none_shutdown(struct connectdata *conn, int sockindex);
+int Curl_none_check_cxn(struct connectdata *conn);
+CURLcode Curl_none_random(struct Curl_easy *data, unsigned char *entropy,
+                          size_t length);
+void Curl_none_close_all(struct Curl_easy *data);
+void Curl_none_session_free(void *ptr);
+bool Curl_none_data_pending(const struct connectdata *conn, int connindex);
+bool Curl_none_cert_status_request(void);
+CURLcode Curl_none_set_engine(struct Curl_easy *data, const char *engine);
+CURLcode Curl_none_set_engine_default(struct Curl_easy *data);
+struct curl_slist *Curl_none_engines_list(struct Curl_easy *data);
+bool Curl_none_false_start(void);
+bool Curl_ssl_tls13_ciphersuites(void);
+CURLcode Curl_none_md5sum(unsigned char *input, size_t inputlen,
+                          unsigned char *md5sum, size_t md5len);
+
+#include "openssl.h"        /* OpenSSL versions */
+#include "gtls.h"           /* GnuTLS versions */
+#include "nssg.h"           /* NSS versions */
+#include "gskit.h"          /* Global Secure ToolKit versions */
+#include "polarssl.h"       /* PolarSSL versions */
+#include "cyassl.h"         /* CyaSSL versions */
+#include "schannel.h"       /* Schannel SSPI version */
+#include "darwinssl.h"      /* SecureTransport (Darwin) version */
+#include "mbedtls.h"        /* mbedTLS versions */
+#include "mesalink.h"       /* MesaLink versions */
+
+#ifndef MAX_PINNED_PUBKEY_SIZE
+#define MAX_PINNED_PUBKEY_SIZE 1048576 /* 1MB */
+#endif
+
+#ifndef MD5_DIGEST_LENGTH
+#ifndef LIBWOLFSSL_VERSION_HEX /* because WolfSSL borks this */
+#define MD5_DIGEST_LENGTH 16 /* fixed size */
+#endif
+#endif
+
+#ifndef CURL_SHA256_DIGEST_LENGTH
+#define CURL_SHA256_DIGEST_LENGTH 32 /* fixed size */
+#endif
+
+/* see https://tools.ietf.org/html/draft-ietf-tls-applayerprotoneg-04 */
+#define ALPN_HTTP_1_1_LENGTH 8
+#define ALPN_HTTP_1_1 "http/1.1"
+
+/* set of helper macros for the backends to access the correct fields. For the
+   proxy or for the remote host - to properly support HTTPS proxy */
+
+#define SSL_IS_PROXY() (CURLPROXY_HTTPS == conn->http_proxy.proxytype && \
+  ssl_connection_complete != conn->proxy_ssl[conn->sock[SECONDARYSOCKET] == \
+  CURL_SOCKET_BAD ? FIRSTSOCKET : SECONDARYSOCKET].state)
+#define SSL_SET_OPTION(var) (SSL_IS_PROXY() ? data->set.proxy_ssl.var : \
+                             data->set.ssl.var)
+#define SSL_CONN_CONFIG(var) (SSL_IS_PROXY() ?          \
+  conn->proxy_ssl_config.var : conn->ssl_config.var)
+
+bool Curl_ssl_config_matches(struct ssl_primary_config* data,
+                             struct ssl_primary_config* needle);
+bool Curl_clone_primary_ssl_config(struct ssl_primary_config *source,
+                                   struct ssl_primary_config *dest);
+void Curl_free_primary_ssl_config(struct ssl_primary_config* sslc);
+int Curl_ssl_getsock(struct connectdata *conn, curl_socket_t *socks,
+                     int numsocks);
+
+int Curl_ssl_backend(void);
+
+#ifdef USE_SSL
+int Curl_ssl_init(void);
+void Curl_ssl_cleanup(void);
+CURLcode Curl_ssl_connect(struct connectdata *conn, int sockindex);
+CURLcode Curl_ssl_connect_nonblocking(struct connectdata *conn,
+                                      int sockindex,
+                                      bool *done);
+/* tell the SSL stuff to close down all open information regarding
+   connections (and thus session ID caching etc) */
+void Curl_ssl_close_all(struct Curl_easy *data);
+void Curl_ssl_close(struct connectdata *conn, int sockindex);
+CURLcode Curl_ssl_shutdown(struct connectdata *conn, int sockindex);
+CURLcode Curl_ssl_set_engine(struct Curl_easy *data, const char *engine);
+/* Sets engine as default for all SSL operations */
+CURLcode Curl_ssl_set_engine_default(struct Curl_easy *data);
+struct curl_slist *Curl_ssl_engines_list(struct Curl_easy *data);
+
+/* init the SSL session ID cache */
+CURLcode Curl_ssl_initsessions(struct Curl_easy *, size_t);
+size_t Curl_ssl_version(char *buffer, size_t size);
+bool Curl_ssl_data_pending(const struct connectdata *conn,
+                           int connindex);
+int Curl_ssl_check_cxn(struct connectdata *conn);
+
+/* Certificate information list handling. */
+
+void Curl_ssl_free_certinfo(struct Curl_easy *data);
+CURLcode Curl_ssl_init_certinfo(struct Curl_easy *data, int num);
+CURLcode Curl_ssl_push_certinfo_len(struct Curl_easy *data, int certnum,
+                                    const char *label, const char *value,
+                                    size_t valuelen);
+CURLcode Curl_ssl_push_certinfo(struct Curl_easy *data, int certnum,
+                                const char *label, const char *value);
+
+/* Functions to be used by SSL library adaptation functions */
+
+/* Lock session cache mutex.
+ * Call this before calling other Curl_ssl_*session* functions
+ * Caller should unlock this mutex as soon as possible, as it may block
+ * other SSL connection from making progress.
+ * The purpose of explicitly locking SSL session cache data is to allow
+ * individual SSL engines to manage session lifetime in their specific way.
+ */
+void Curl_ssl_sessionid_lock(struct connectdata *conn);
+
+/* Unlock session cache mutex */
+void Curl_ssl_sessionid_unlock(struct connectdata *conn);
+
+/* extract a session ID
+ * Sessionid mutex must be locked (see Curl_ssl_sessionid_lock).
+ * Caller must make sure that the ownership of returned sessionid object
+ * is properly taken (e.g. its refcount is incremented
+ * under sessionid mutex).
+ */
+bool Curl_ssl_getsessionid(struct connectdata *conn,
+                           void **ssl_sessionid,
+                           size_t *idsize, /* set 0 if unknown */
+                           int sockindex);
+/* add a new session ID
+ * Sessionid mutex must be locked (see Curl_ssl_sessionid_lock).
+ * Caller must ensure that it has properly shared ownership of this sessionid
+ * object with cache (e.g. incrementing refcount on success)
+ */
+CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
+                               void *ssl_sessionid,
+                               size_t idsize,
+                               int sockindex);
+/* Kill a single session ID entry in the cache
+ * Sessionid mutex must be locked (see Curl_ssl_sessionid_lock).
+ * This will call engine-specific curlssl_session_free function, which must
+ * take sessionid object ownership from sessionid cache
+ * (e.g. decrement refcount).
+ */
+void Curl_ssl_kill_session(struct curl_ssl_session *session);
+/* delete a session from the cache
+ * Sessionid mutex must be locked (see Curl_ssl_sessionid_lock).
+ * This will call engine-specific curlssl_session_free function, which must
+ * take sessionid object ownership from sessionid cache
+ * (e.g. decrement refcount).
+ */
+void Curl_ssl_delsessionid(struct connectdata *conn, void *ssl_sessionid);
+
+/* get N random bytes into the buffer */
+CURLcode Curl_ssl_random(struct Curl_easy *data, unsigned char *buffer,
+                         size_t length);
+CURLcode Curl_ssl_md5sum(unsigned char *tmp, /* input */
+                         size_t tmplen,
+                         unsigned char *md5sum, /* output */
+                         size_t md5len);
+/* Check pinned public key. */
+CURLcode Curl_pin_peer_pubkey(struct Curl_easy *data,
+                              const char *pinnedpubkey,
+                              const unsigned char *pubkey, size_t pubkeylen);
+
+bool Curl_ssl_cert_status_request(void);
+
+bool Curl_ssl_false_start(void);
+
+#define SSL_SHUTDOWN_TIMEOUT 10000 /* ms */
+
+#else /* if not USE_SSL */
+
+/* When SSL support is not present, just define away these function calls */
+#define Curl_ssl_init() 1
+#define Curl_ssl_cleanup() Curl_nop_stmt
+#define Curl_ssl_connect(x,y) CURLE_NOT_BUILT_IN
+#define Curl_ssl_close_all(x) Curl_nop_stmt
+#define Curl_ssl_close(x,y) Curl_nop_stmt
+#define Curl_ssl_shutdown(x,y) CURLE_NOT_BUILT_IN
+#define Curl_ssl_set_engine(x,y) CURLE_NOT_BUILT_IN
+#define Curl_ssl_set_engine_default(x) CURLE_NOT_BUILT_IN
+#define Curl_ssl_engines_list(x) NULL
+#define Curl_ssl_send(a,b,c,d,e) -1
+#define Curl_ssl_recv(a,b,c,d,e) -1
+#define Curl_ssl_initsessions(x,y) CURLE_OK
+#define Curl_ssl_version(x,y) 0
+#define Curl_ssl_data_pending(x,y) 0
+#define Curl_ssl_check_cxn(x) 0
+#define Curl_ssl_free_certinfo(x) Curl_nop_stmt
+#define Curl_ssl_connect_nonblocking(x,y,z) CURLE_NOT_BUILT_IN
+#define Curl_ssl_kill_session(x) Curl_nop_stmt
+#define Curl_ssl_random(x,y,z) ((void)x, CURLE_NOT_BUILT_IN)
+#define Curl_ssl_cert_status_request() FALSE
+#define Curl_ssl_false_start() FALSE
+#define Curl_ssl_tls13_ciphersuites() FALSE
+#endif
+
+#endif /* HEADER_CURL_VTLS_H */
Index: trunk/src/libs/curl-7.64.0/lib/warnless.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/warnless.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/warnless.c	(revision 85671)
@@ -0,0 +1,546 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(__INTEL_COMPILER) && defined(__unix__)
+
+#ifdef HAVE_NETINET_IN_H
+#  include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#  include <arpa/inet.h>
+#endif
+
+#endif /* __INTEL_COMPILER && __unix__ */
+
+#define BUILDING_WARNLESS_C 1
+
+#include "warnless.h"
+
+#define CURL_MASK_SCHAR  0x7F
+#define CURL_MASK_UCHAR  0xFF
+
+#if (SIZEOF_SHORT == 2)
+#  define CURL_MASK_SSHORT  0x7FFF
+#  define CURL_MASK_USHORT  0xFFFF
+#elif (SIZEOF_SHORT == 4)
+#  define CURL_MASK_SSHORT  0x7FFFFFFF
+#  define CURL_MASK_USHORT  0xFFFFFFFF
+#elif (SIZEOF_SHORT == 8)
+#  define CURL_MASK_SSHORT  0x7FFFFFFFFFFFFFFF
+#  define CURL_MASK_USHORT  0xFFFFFFFFFFFFFFFF
+#else
+#  error "SIZEOF_SHORT not defined"
+#endif
+
+#if (SIZEOF_INT == 2)
+#  define CURL_MASK_SINT  0x7FFF
+#  define CURL_MASK_UINT  0xFFFF
+#elif (SIZEOF_INT == 4)
+#  define CURL_MASK_SINT  0x7FFFFFFF
+#  define CURL_MASK_UINT  0xFFFFFFFF
+#elif (SIZEOF_INT == 8)
+#  define CURL_MASK_SINT  0x7FFFFFFFFFFFFFFF
+#  define CURL_MASK_UINT  0xFFFFFFFFFFFFFFFF
+#elif (SIZEOF_INT == 16)
+#  define CURL_MASK_SINT  0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
+#  define CURL_MASK_UINT  0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
+#else
+#  error "SIZEOF_INT not defined"
+#endif
+
+#if (SIZEOF_LONG == 2)
+#  define CURL_MASK_SLONG  0x7FFFL
+#  define CURL_MASK_ULONG  0xFFFFUL
+#elif (SIZEOF_LONG == 4)
+#  define CURL_MASK_SLONG  0x7FFFFFFFL
+#  define CURL_MASK_ULONG  0xFFFFFFFFUL
+#elif (SIZEOF_LONG == 8)
+#  define CURL_MASK_SLONG  0x7FFFFFFFFFFFFFFFL
+#  define CURL_MASK_ULONG  0xFFFFFFFFFFFFFFFFUL
+#elif (SIZEOF_LONG == 16)
+#  define CURL_MASK_SLONG  0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFL
+#  define CURL_MASK_ULONG  0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFUL
+#else
+#  error "SIZEOF_LONG not defined"
+#endif
+
+#if (SIZEOF_CURL_OFF_T == 2)
+#  define CURL_MASK_SCOFFT  CURL_OFF_T_C(0x7FFF)
+#  define CURL_MASK_UCOFFT  CURL_OFF_TU_C(0xFFFF)
+#elif (SIZEOF_CURL_OFF_T == 4)
+#  define CURL_MASK_SCOFFT  CURL_OFF_T_C(0x7FFFFFFF)
+#  define CURL_MASK_UCOFFT  CURL_OFF_TU_C(0xFFFFFFFF)
+#elif (SIZEOF_CURL_OFF_T == 8)
+#  define CURL_MASK_SCOFFT  CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
+#  define CURL_MASK_UCOFFT  CURL_OFF_TU_C(0xFFFFFFFFFFFFFFFF)
+#elif (SIZEOF_CURL_OFF_T == 16)
+#  define CURL_MASK_SCOFFT  CURL_OFF_T_C(0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)
+#  define CURL_MASK_UCOFFT  CURL_OFF_TU_C(0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)
+#else
+#  error "SIZEOF_CURL_OFF_T not defined"
+#endif
+
+#if (SIZEOF_SIZE_T == SIZEOF_SHORT)
+#  define CURL_MASK_SSIZE_T  CURL_MASK_SSHORT
+#  define CURL_MASK_USIZE_T  CURL_MASK_USHORT
+#elif (SIZEOF_SIZE_T == SIZEOF_INT)
+#  define CURL_MASK_SSIZE_T  CURL_MASK_SINT
+#  define CURL_MASK_USIZE_T  CURL_MASK_UINT
+#elif (SIZEOF_SIZE_T == SIZEOF_LONG)
+#  define CURL_MASK_SSIZE_T  CURL_MASK_SLONG
+#  define CURL_MASK_USIZE_T  CURL_MASK_ULONG
+#elif (SIZEOF_SIZE_T == SIZEOF_CURL_OFF_T)
+#  define CURL_MASK_SSIZE_T  CURL_MASK_SCOFFT
+#  define CURL_MASK_USIZE_T  CURL_MASK_UCOFFT
+#else
+#  error "SIZEOF_SIZE_T not defined"
+#endif
+
+/*
+** unsigned long to unsigned short
+*/
+
+unsigned short curlx_ultous(unsigned long ulnum)
+{
+#ifdef __INTEL_COMPILER
+#  pragma warning(push)
+#  pragma warning(disable:810) /* conversion may lose significant bits */
+#endif
+
+  DEBUGASSERT(ulnum <= (unsigned long) CURL_MASK_USHORT);
+  return (unsigned short)(ulnum & (unsigned long) CURL_MASK_USHORT);
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(pop)
+#endif
+}
+
+/*
+** unsigned long to unsigned char
+*/
+
+unsigned char curlx_ultouc(unsigned long ulnum)
+{
+#ifdef __INTEL_COMPILER
+#  pragma warning(push)
+#  pragma warning(disable:810) /* conversion may lose significant bits */
+#endif
+
+  DEBUGASSERT(ulnum <= (unsigned long) CURL_MASK_UCHAR);
+  return (unsigned char)(ulnum & (unsigned long) CURL_MASK_UCHAR);
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(pop)
+#endif
+}
+
+/*
+** unsigned long to signed int
+*/
+
+int curlx_ultosi(unsigned long ulnum)
+{
+#ifdef __INTEL_COMPILER
+#  pragma warning(push)
+#  pragma warning(disable:810) /* conversion may lose significant bits */
+#endif
+
+  DEBUGASSERT(ulnum <= (unsigned long) CURL_MASK_SINT);
+  return (int)(ulnum & (unsigned long) CURL_MASK_SINT);
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(pop)
+#endif
+}
+
+/*
+** unsigned size_t to signed curl_off_t
+*/
+
+curl_off_t curlx_uztoso(size_t uznum)
+{
+#ifdef __INTEL_COMPILER
+#  pragma warning(push)
+#  pragma warning(disable:810) /* conversion may lose significant bits */
+#elif defined(_MSC_VER)
+#  pragma warning(push)
+#  pragma warning(disable:4310) /* cast truncates constant value */
+#endif
+
+  DEBUGASSERT(uznum <= (size_t) CURL_MASK_SCOFFT);
+  return (curl_off_t)(uznum & (size_t) CURL_MASK_SCOFFT);
+
+#if defined(__INTEL_COMPILER) || defined(_MSC_VER)
+#  pragma warning(pop)
+#endif
+}
+
+/*
+** unsigned size_t to signed int
+*/
+
+int curlx_uztosi(size_t uznum)
+{
+#ifdef __INTEL_COMPILER
+#  pragma warning(push)
+#  pragma warning(disable:810) /* conversion may lose significant bits */
+#endif
+
+  DEBUGASSERT(uznum <= (size_t) CURL_MASK_SINT);
+  return (int)(uznum & (size_t) CURL_MASK_SINT);
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(pop)
+#endif
+}
+
+/*
+** unsigned size_t to unsigned long
+*/
+
+unsigned long curlx_uztoul(size_t uznum)
+{
+#ifdef __INTEL_COMPILER
+# pragma warning(push)
+# pragma warning(disable:810) /* conversion may lose significant bits */
+#endif
+
+#if (SIZEOF_LONG < SIZEOF_SIZE_T)
+  DEBUGASSERT(uznum <= (size_t) CURL_MASK_ULONG);
+#endif
+  return (unsigned long)(uznum & (size_t) CURL_MASK_ULONG);
+
+#ifdef __INTEL_COMPILER
+# pragma warning(pop)
+#endif
+}
+
+/*
+** unsigned size_t to unsigned int
+*/
+
+unsigned int curlx_uztoui(size_t uznum)
+{
+#ifdef __INTEL_COMPILER
+# pragma warning(push)
+# pragma warning(disable:810) /* conversion may lose significant bits */
+#endif
+
+#if (SIZEOF_INT < SIZEOF_SIZE_T)
+  DEBUGASSERT(uznum <= (size_t) CURL_MASK_UINT);
+#endif
+  return (unsigned int)(uznum & (size_t) CURL_MASK_UINT);
+
+#ifdef __INTEL_COMPILER
+# pragma warning(pop)
+#endif
+}
+
+/*
+** signed long to signed int
+*/
+
+int curlx_sltosi(long slnum)
+{
+#ifdef __INTEL_COMPILER
+#  pragma warning(push)
+#  pragma warning(disable:810) /* conversion may lose significant bits */
+#endif
+
+  DEBUGASSERT(slnum >= 0);
+#if (SIZEOF_INT < SIZEOF_LONG)
+  DEBUGASSERT((unsigned long) slnum <= (unsigned long) CURL_MASK_SINT);
+#endif
+  return (int)(slnum & (long) CURL_MASK_SINT);
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(pop)
+#endif
+}
+
+/*
+** signed long to unsigned int
+*/
+
+unsigned int curlx_sltoui(long slnum)
+{
+#ifdef __INTEL_COMPILER
+#  pragma warning(push)
+#  pragma warning(disable:810) /* conversion may lose significant bits */
+#endif
+
+  DEBUGASSERT(slnum >= 0);
+#if (SIZEOF_INT < SIZEOF_LONG)
+  DEBUGASSERT((unsigned long) slnum <= (unsigned long) CURL_MASK_UINT);
+#endif
+  return (unsigned int)(slnum & (long) CURL_MASK_UINT);
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(pop)
+#endif
+}
+
+/*
+** signed long to unsigned short
+*/
+
+unsigned short curlx_sltous(long slnum)
+{
+#ifdef __INTEL_COMPILER
+#  pragma warning(push)
+#  pragma warning(disable:810) /* conversion may lose significant bits */
+#endif
+
+  DEBUGASSERT(slnum >= 0);
+  DEBUGASSERT((unsigned long) slnum <= (unsigned long) CURL_MASK_USHORT);
+  return (unsigned short)(slnum & (long) CURL_MASK_USHORT);
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(pop)
+#endif
+}
+
+/*
+** unsigned size_t to signed ssize_t
+*/
+
+ssize_t curlx_uztosz(size_t uznum)
+{
+#ifdef __INTEL_COMPILER
+#  pragma warning(push)
+#  pragma warning(disable:810) /* conversion may lose significant bits */
+#endif
+
+  DEBUGASSERT(uznum <= (size_t) CURL_MASK_SSIZE_T);
+  return (ssize_t)(uznum & (size_t) CURL_MASK_SSIZE_T);
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(pop)
+#endif
+}
+
+/*
+** signed curl_off_t to unsigned size_t
+*/
+
+size_t curlx_sotouz(curl_off_t sonum)
+{
+#ifdef __INTEL_COMPILER
+#  pragma warning(push)
+#  pragma warning(disable:810) /* conversion may lose significant bits */
+#endif
+
+  DEBUGASSERT(sonum >= 0);
+  return (size_t)(sonum & (curl_off_t) CURL_MASK_USIZE_T);
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(pop)
+#endif
+}
+
+/*
+** signed ssize_t to signed int
+*/
+
+int curlx_sztosi(ssize_t sznum)
+{
+#ifdef __INTEL_COMPILER
+#  pragma warning(push)
+#  pragma warning(disable:810) /* conversion may lose significant bits */
+#endif
+
+  DEBUGASSERT(sznum >= 0);
+#if (SIZEOF_INT < SIZEOF_SIZE_T)
+  DEBUGASSERT((size_t) sznum <= (size_t) CURL_MASK_SINT);
+#endif
+  return (int)(sznum & (ssize_t) CURL_MASK_SINT);
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(pop)
+#endif
+}
+
+/*
+** unsigned int to unsigned short
+*/
+
+unsigned short curlx_uitous(unsigned int uinum)
+{
+#ifdef __INTEL_COMPILER
+#  pragma warning(push)
+#  pragma warning(disable:810) /* conversion may lose significant bits */
+#endif
+
+  DEBUGASSERT(uinum <= (unsigned int) CURL_MASK_USHORT);
+  return (unsigned short) (uinum & (unsigned int) CURL_MASK_USHORT);
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(pop)
+#endif
+}
+
+/*
+** unsigned int to unsigned char
+*/
+
+unsigned char curlx_uitouc(unsigned int uinum)
+{
+#ifdef __INTEL_COMPILER
+#  pragma warning(push)
+#  pragma warning(disable:810) /* conversion may lose significant bits */
+#endif
+
+  DEBUGASSERT(uinum <= (unsigned int) CURL_MASK_UCHAR);
+  return (unsigned char) (uinum & (unsigned int) CURL_MASK_UCHAR);
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(pop)
+#endif
+}
+
+/*
+** unsigned int to signed int
+*/
+
+int curlx_uitosi(unsigned int uinum)
+{
+#ifdef __INTEL_COMPILER
+#  pragma warning(push)
+#  pragma warning(disable:810) /* conversion may lose significant bits */
+#endif
+
+  DEBUGASSERT(uinum <= (unsigned int) CURL_MASK_SINT);
+  return (int) (uinum & (unsigned int) CURL_MASK_SINT);
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(pop)
+#endif
+}
+
+/*
+** signed int to unsigned size_t
+*/
+
+size_t curlx_sitouz(int sinum)
+{
+#ifdef __INTEL_COMPILER
+#  pragma warning(push)
+#  pragma warning(disable:810) /* conversion may lose significant bits */
+#endif
+
+  DEBUGASSERT(sinum >= 0);
+  return (size_t) sinum;
+
+#ifdef __INTEL_COMPILER
+#  pragma warning(pop)
+#endif
+}
+
+#ifdef USE_WINSOCK
+
+/*
+** curl_socket_t to signed int
+*/
+
+int curlx_sktosi(curl_socket_t s)
+{
+  return (int)((ssize_t) s);
+}
+
+/*
+** signed int to curl_socket_t
+*/
+
+curl_socket_t curlx_sitosk(int i)
+{
+  return (curl_socket_t)((ssize_t) i);
+}
+
+#endif /* USE_WINSOCK */
+
+#if defined(WIN32) || defined(_WIN32)
+
+ssize_t curlx_read(int fd, void *buf, size_t count)
+{
+  return (ssize_t)read(fd, buf, curlx_uztoui(count));
+}
+
+ssize_t curlx_write(int fd, const void *buf, size_t count)
+{
+  return (ssize_t)write(fd, buf, curlx_uztoui(count));
+}
+
+#endif /* WIN32 || _WIN32 */
+
+#if defined(__INTEL_COMPILER) && defined(__unix__)
+
+int curlx_FD_ISSET(int fd, fd_set *fdset)
+{
+  #pragma warning(push)
+  #pragma warning(disable:1469) /* clobber ignored */
+  return FD_ISSET(fd, fdset);
+  #pragma warning(pop)
+}
+
+void curlx_FD_SET(int fd, fd_set *fdset)
+{
+  #pragma warning(push)
+  #pragma warning(disable:1469) /* clobber ignored */
+  FD_SET(fd, fdset);
+  #pragma warning(pop)
+}
+
+void curlx_FD_ZERO(fd_set *fdset)
+{
+  #pragma warning(push)
+  #pragma warning(disable:593) /* variable was set but never used */
+  FD_ZERO(fdset);
+  #pragma warning(pop)
+}
+
+unsigned short curlx_htons(unsigned short usnum)
+{
+#if (__INTEL_COMPILER == 910) && defined(__i386__)
+  return (unsigned short)(((usnum << 8) & 0xFF00) | ((usnum >> 8) & 0x00FF));
+#else
+  #pragma warning(push)
+  #pragma warning(disable:810) /* conversion may lose significant bits */
+  return htons(usnum);
+  #pragma warning(pop)
+#endif
+}
+
+unsigned short curlx_ntohs(unsigned short usnum)
+{
+#if (__INTEL_COMPILER == 910) && defined(__i386__)
+  return (unsigned short)(((usnum << 8) & 0xFF00) | ((usnum >> 8) & 0x00FF));
+#else
+  #pragma warning(push)
+  #pragma warning(disable:810) /* conversion may lose significant bits */
+  return ntohs(usnum);
+  #pragma warning(pop)
+#endif
+}
+
+#endif /* __INTEL_COMPILER && __unix__ */
Index: trunk/src/libs/curl-7.64.0/lib/warnless.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/warnless.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/warnless.h	(revision 85671)
@@ -0,0 +1,116 @@
+#ifndef HEADER_CURL_WARNLESS_H
+#define HEADER_CURL_WARNLESS_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#ifdef USE_WINSOCK
+#include <curl/curl.h> /* for curl_socket_t */
+#endif
+
+#define CURLX_FUNCTION_CAST(target_type, func) \
+  (target_type)(void (*) (void))(func)
+
+unsigned short curlx_ultous(unsigned long ulnum);
+
+unsigned char curlx_ultouc(unsigned long ulnum);
+
+int curlx_ultosi(unsigned long ulnum);
+
+int curlx_uztosi(size_t uznum);
+
+curl_off_t curlx_uztoso(size_t uznum);
+
+unsigned long curlx_uztoul(size_t uznum);
+
+unsigned int curlx_uztoui(size_t uznum);
+
+int curlx_sltosi(long slnum);
+
+unsigned int curlx_sltoui(long slnum);
+
+unsigned short curlx_sltous(long slnum);
+
+ssize_t curlx_uztosz(size_t uznum);
+
+size_t curlx_sotouz(curl_off_t sonum);
+
+int curlx_sztosi(ssize_t sznum);
+
+unsigned short curlx_uitous(unsigned int uinum);
+
+unsigned char curlx_uitouc(unsigned int uinum);
+
+int curlx_uitosi(unsigned int uinum);
+
+size_t curlx_sitouz(int sinum);
+
+#ifdef USE_WINSOCK
+
+int curlx_sktosi(curl_socket_t s);
+
+curl_socket_t curlx_sitosk(int i);
+
+#endif /* USE_WINSOCK */
+
+#if defined(WIN32) || defined(_WIN32)
+
+ssize_t curlx_read(int fd, void *buf, size_t count);
+
+ssize_t curlx_write(int fd, const void *buf, size_t count);
+
+#ifndef BUILDING_WARNLESS_C
+#  undef  read
+#  define read(fd, buf, count)  curlx_read(fd, buf, count)
+#  undef  write
+#  define write(fd, buf, count) curlx_write(fd, buf, count)
+#endif
+
+#endif /* WIN32 || _WIN32 */
+
+#if defined(__INTEL_COMPILER) && defined(__unix__)
+
+int curlx_FD_ISSET(int fd, fd_set *fdset);
+
+void curlx_FD_SET(int fd, fd_set *fdset);
+
+void curlx_FD_ZERO(fd_set *fdset);
+
+unsigned short curlx_htons(unsigned short usnum);
+
+unsigned short curlx_ntohs(unsigned short usnum);
+
+#ifndef BUILDING_WARNLESS_C
+#  undef  FD_ISSET
+#  define FD_ISSET(a,b) curlx_FD_ISSET((a),(b))
+#  undef  FD_SET
+#  define FD_SET(a,b)   curlx_FD_SET((a),(b))
+#  undef  FD_ZERO
+#  define FD_ZERO(a)    curlx_FD_ZERO((a))
+#  undef  htons
+#  define htons(a)      curlx_htons((a))
+#  undef  ntohs
+#  define ntohs(a)      curlx_ntohs((a))
+#endif
+
+#endif /* __INTEL_COMPILER && __unix__ */
+
+#endif /* HEADER_CURL_WARNLESS_H */
Index: trunk/src/libs/curl-7.64.0/lib/wildcard.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/wildcard.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/wildcard.c	(revision 85671)
@@ -0,0 +1,69 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include "wildcard.h"
+#include "llist.h"
+#include "fileinfo.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+static void fileinfo_dtor(void *user, void *element)
+{
+  (void)user;
+  Curl_fileinfo_cleanup(element);
+}
+
+CURLcode Curl_wildcard_init(struct WildcardData *wc)
+{
+  Curl_llist_init(&wc->filelist, fileinfo_dtor);
+  wc->state = CURLWC_INIT;
+
+  return CURLE_OK;
+}
+
+void Curl_wildcard_dtor(struct WildcardData *wc)
+{
+  if(!wc)
+    return;
+
+  if(wc->dtor) {
+    wc->dtor(wc->protdata);
+    wc->dtor = ZERO_NULL;
+    wc->protdata = NULL;
+  }
+  DEBUGASSERT(wc->protdata == NULL);
+
+  Curl_llist_destroy(&wc->filelist, NULL);
+
+
+  free(wc->path);
+  wc->path = NULL;
+  free(wc->pattern);
+  wc->pattern = NULL;
+
+  wc->customptr = NULL;
+  wc->state = CURLWC_INIT;
+}
Index: trunk/src/libs/curl-7.64.0/lib/wildcard.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/wildcard.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/wildcard.h	(revision 85671)
@@ -0,0 +1,61 @@
+#ifndef HEADER_CURL_WILDCARD_H
+#define HEADER_CURL_WILDCARD_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2010 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include <curl/curl.h>
+
+#include "llist.h"
+
+/* list of wildcard process states */
+typedef enum {
+  CURLWC_CLEAR = 0,
+  CURLWC_INIT = 1,
+  CURLWC_MATCHING, /* library is trying to get list of addresses for
+                      downloading */
+  CURLWC_DOWNLOADING,
+  CURLWC_CLEAN, /* deallocate resources and reset settings */
+  CURLWC_SKIP,  /* skip over concrete file */
+  CURLWC_ERROR, /* error cases */
+  CURLWC_DONE   /* if is wildcard->state == CURLWC_DONE wildcard loop
+                   will end */
+} curl_wildcard_states;
+
+typedef void (*curl_wildcard_dtor)(void *ptr);
+
+/* struct keeping information about wildcard download process */
+struct WildcardData {
+  curl_wildcard_states state;
+  char *path; /* path to the directory, where we trying wildcard-match */
+  char *pattern; /* wildcard pattern */
+  struct curl_llist filelist; /* llist with struct Curl_fileinfo */
+  void *protdata; /* pointer to protocol specific temporary data */
+  curl_wildcard_dtor dtor;
+  void *customptr;  /* for CURLOPT_CHUNK_DATA pointer */
+};
+
+CURLcode Curl_wildcard_init(struct WildcardData *wc);
+void Curl_wildcard_dtor(struct WildcardData *wc);
+
+struct Curl_easy;
+
+#endif /* HEADER_CURL_WILDCARD_H */
Index: trunk/src/libs/curl-7.64.0/lib/x509asn1.c
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/x509asn1.c	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/x509asn1.c	(revision 85671)
@@ -0,0 +1,1266 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(USE_GSKIT) || defined(USE_NSS) || defined(USE_GNUTLS) || \
+    defined(USE_CYASSL) || defined(USE_SCHANNEL)
+
+#include <curl/curl.h>
+#include "urldata.h"
+#include "strcase.h"
+#include "hostcheck.h"
+#include "vtls/vtls.h"
+#include "sendf.h"
+#include "inet_pton.h"
+#include "curl_base64.h"
+#include "x509asn1.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* ASN.1 OIDs. */
+static const char       cnOID[] = "2.5.4.3";    /* Common name. */
+static const char       sanOID[] = "2.5.29.17"; /* Subject alternative name. */
+
+static const curl_OID   OIDtable[] = {
+  { "1.2.840.10040.4.1",        "dsa" },
+  { "1.2.840.10040.4.3",        "dsa-with-sha1" },
+  { "1.2.840.10045.2.1",        "ecPublicKey" },
+  { "1.2.840.10045.3.0.1",      "c2pnb163v1" },
+  { "1.2.840.10045.4.1",        "ecdsa-with-SHA1" },
+  { "1.2.840.10046.2.1",        "dhpublicnumber" },
+  { "1.2.840.113549.1.1.1",     "rsaEncryption" },
+  { "1.2.840.113549.1.1.2",     "md2WithRSAEncryption" },
+  { "1.2.840.113549.1.1.4",     "md5WithRSAEncryption" },
+  { "1.2.840.113549.1.1.5",     "sha1WithRSAEncryption" },
+  { "1.2.840.113549.1.1.10",    "RSASSA-PSS" },
+  { "1.2.840.113549.1.1.14",    "sha224WithRSAEncryption" },
+  { "1.2.840.113549.1.1.11",    "sha256WithRSAEncryption" },
+  { "1.2.840.113549.1.1.12",    "sha384WithRSAEncryption" },
+  { "1.2.840.113549.1.1.13",    "sha512WithRSAEncryption" },
+  { "1.2.840.113549.2.2",       "md2" },
+  { "1.2.840.113549.2.5",       "md5" },
+  { "1.3.14.3.2.26",            "sha1" },
+  { cnOID,                      "CN" },
+  { "2.5.4.4",                  "SN" },
+  { "2.5.4.5",                  "serialNumber" },
+  { "2.5.4.6",                  "C" },
+  { "2.5.4.7",                  "L" },
+  { "2.5.4.8",                  "ST" },
+  { "2.5.4.9",                  "streetAddress" },
+  { "2.5.4.10",                 "O" },
+  { "2.5.4.11",                 "OU" },
+  { "2.5.4.12",                 "title" },
+  { "2.5.4.13",                 "description" },
+  { "2.5.4.17",                 "postalCode" },
+  { "2.5.4.41",                 "name" },
+  { "2.5.4.42",                 "givenName" },
+  { "2.5.4.43",                 "initials" },
+  { "2.5.4.44",                 "generationQualifier" },
+  { "2.5.4.45",                 "X500UniqueIdentifier" },
+  { "2.5.4.46",                 "dnQualifier" },
+  { "2.5.4.65",                 "pseudonym" },
+  { "1.2.840.113549.1.9.1",     "emailAddress" },
+  { "2.5.4.72",                 "role" },
+  { sanOID,                     "subjectAltName" },
+  { "2.5.29.18",                "issuerAltName" },
+  { "2.5.29.19",                "basicConstraints" },
+  { "2.16.840.1.101.3.4.2.4",   "sha224" },
+  { "2.16.840.1.101.3.4.2.1",   "sha256" },
+  { "2.16.840.1.101.3.4.2.2",   "sha384" },
+  { "2.16.840.1.101.3.4.2.3",   "sha512" },
+  { (const char *) NULL,        (const char *) NULL }
+};
+
+/*
+ * Lightweight ASN.1 parser.
+ * In particular, it does not check for syntactic/lexical errors.
+ * It is intended to support certificate information gathering for SSL backends
+ * that offer a mean to get certificates as a whole, but do not supply
+ * entry points to get particular certificate sub-fields.
+ * Please note there is no pretention here to rewrite a full SSL library.
+ */
+
+static const char *getASN1Element(curl_asn1Element *elem,
+                                  const char *beg, const char *end)
+  WARN_UNUSED_RESULT;
+
+static const char *getASN1Element(curl_asn1Element *elem,
+                                  const char *beg, const char *end)
+{
+  unsigned char b;
+  unsigned long len;
+  curl_asn1Element lelem;
+
+  /* Get a single ASN.1 element into `elem', parse ASN.1 string at `beg'
+     ending at `end'.
+     Returns a pointer in source string after the parsed element, or NULL
+     if an error occurs. */
+  if(!beg || !end || beg >= end || !*beg ||
+     (size_t)(end - beg) > CURL_ASN1_MAX)
+    return (const char *) NULL;
+
+  /* Process header byte. */
+  elem->header = beg;
+  b = (unsigned char) *beg++;
+  elem->constructed = (b & 0x20) != 0;
+  elem->class = (b >> 6) & 3;
+  b &= 0x1F;
+  if(b == 0x1F)
+    return (const char *) NULL; /* Long tag values not supported here. */
+  elem->tag = b;
+
+  /* Process length. */
+  if(beg >= end)
+    return (const char *) NULL;
+  b = (unsigned char) *beg++;
+  if(!(b & 0x80))
+    len = b;
+  else if(!(b &= 0x7F)) {
+    /* Unspecified length. Since we have all the data, we can determine the
+       effective length by skipping element until an end element is found. */
+    if(!elem->constructed)
+      return (const char *) NULL;
+    elem->beg = beg;
+    while(beg < end && *beg) {
+      beg = getASN1Element(&lelem, beg, end);
+      if(!beg)
+        return (const char *) NULL;
+    }
+    if(beg >= end)
+      return (const char *) NULL;
+    elem->end = beg;
+    return beg + 1;
+  }
+  else if((unsigned)b > (size_t)(end - beg))
+    return (const char *) NULL; /* Does not fit in source. */
+  else {
+    /* Get long length. */
+    len = 0;
+    do {
+      if(len & 0xFF000000L)
+        return (const char *) NULL;  /* Lengths > 32 bits are not supported. */
+      len = (len << 8) | (unsigned char) *beg++;
+    } while(--b);
+  }
+  if(len > (size_t)(end - beg))
+    return (const char *) NULL;  /* Element data does not fit in source. */
+  elem->beg = beg;
+  elem->end = beg + len;
+  return elem->end;
+}
+
+static const curl_OID * searchOID(const char *oid)
+{
+  const curl_OID *op;
+
+  /* Search the null terminated OID or OID identifier in local table.
+     Return the table entry pointer or NULL if not found. */
+
+  for(op = OIDtable; op->numoid; op++)
+    if(!strcmp(op->numoid, oid) || strcasecompare(op->textoid, oid))
+      return op;
+
+  return (const curl_OID *) NULL;
+}
+
+static const char *bool2str(const char *beg, const char *end)
+{
+  /* Convert an ASN.1 Boolean value into its string representation.
+     Return the dynamically allocated string, or NULL if source is not an
+     ASN.1 Boolean value. */
+
+  if(end - beg != 1)
+    return (const char *) NULL;
+  return strdup(*beg? "TRUE": "FALSE");
+}
+
+static const char *octet2str(const char *beg, const char *end)
+{
+  size_t n = end - beg;
+  char *buf = NULL;
+
+  /* Convert an ASN.1 octet string to a printable string.
+     Return the dynamically allocated string, or NULL if an error occurs. */
+
+  if(n <= (SIZE_T_MAX - 1) / 3) {
+    buf = malloc(3 * n + 1);
+    if(buf)
+      for(n = 0; beg < end; n += 3)
+        msnprintf(buf + n, 4, "%02x:", *(const unsigned char *) beg++);
+  }
+  return buf;
+}
+
+static const char *bit2str(const char *beg, const char *end)
+{
+  /* Convert an ASN.1 bit string to a printable string.
+     Return the dynamically allocated string, or NULL if an error occurs. */
+
+  if(++beg > end)
+    return (const char *) NULL;
+  return octet2str(beg, end);
+}
+
+static const char *int2str(const char *beg, const char *end)
+{
+  unsigned long val = 0;
+  size_t n = end - beg;
+
+  /* Convert an ASN.1 integer value into its string representation.
+     Return the dynamically allocated string, or NULL if source is not an
+     ASN.1 integer value. */
+
+  if(!n)
+    return (const char *) NULL;
+
+  if(n > 4)
+    return octet2str(beg, end);
+
+  /* Represent integers <= 32-bit as a single value. */
+  if(*beg & 0x80)
+    val = ~val;
+
+  do
+    val = (val << 8) | *(const unsigned char *) beg++;
+  while(beg < end);
+  return curl_maprintf("%s%lx", val >= 10? "0x": "", val);
+}
+
+static ssize_t
+utf8asn1str(char **to, int type, const char *from, const char *end)
+{
+  size_t inlength = end - from;
+  int size = 1;
+  size_t outlength;
+  int charsize;
+  unsigned int wc;
+  char *buf;
+
+  /* Perform a lazy conversion from an ASN.1 typed string to UTF8. Allocate the
+     destination buffer dynamically. The allocation size will normally be too
+     large: this is to avoid buffer overflows.
+     Terminate the string with a nul byte and return the converted
+     string length. */
+
+  *to = (char *) NULL;
+  switch(type) {
+  case CURL_ASN1_BMP_STRING:
+    size = 2;
+    break;
+  case CURL_ASN1_UNIVERSAL_STRING:
+    size = 4;
+    break;
+  case CURL_ASN1_NUMERIC_STRING:
+  case CURL_ASN1_PRINTABLE_STRING:
+  case CURL_ASN1_TELETEX_STRING:
+  case CURL_ASN1_IA5_STRING:
+  case CURL_ASN1_VISIBLE_STRING:
+  case CURL_ASN1_UTF8_STRING:
+    break;
+  default:
+    return -1;  /* Conversion not supported. */
+  }
+
+  if(inlength % size)
+    return -1;  /* Length inconsistent with character size. */
+  if(inlength / size > (SIZE_T_MAX - 1) / 4)
+    return -1;  /* Too big. */
+  buf = malloc(4 * (inlength / size) + 1);
+  if(!buf)
+    return -1;  /* Not enough memory. */
+
+  if(type == CURL_ASN1_UTF8_STRING) {
+    /* Just copy. */
+    outlength = inlength;
+    if(outlength)
+      memcpy(buf, from, outlength);
+  }
+  else {
+    for(outlength = 0; from < end;) {
+      wc = 0;
+      switch(size) {
+      case 4:
+        wc = (wc << 8) | *(const unsigned char *) from++;
+        wc = (wc << 8) | *(const unsigned char *) from++;
+        /* FALLTHROUGH */
+      case 2:
+        wc = (wc << 8) | *(const unsigned char *) from++;
+        /* FALLTHROUGH */
+      default: /* case 1: */
+        wc = (wc << 8) | *(const unsigned char *) from++;
+      }
+      charsize = 1;
+      if(wc >= 0x00000080) {
+        if(wc >= 0x00000800) {
+          if(wc >= 0x00010000) {
+            if(wc >= 0x00200000) {
+              free(buf);
+              return -1;        /* Invalid char. size for target encoding. */
+            }
+            buf[outlength + 3] = (char) (0x80 | (wc & 0x3F));
+            wc = (wc >> 6) | 0x00010000;
+            charsize++;
+          }
+          buf[outlength + 2] = (char) (0x80 | (wc & 0x3F));
+          wc = (wc >> 6) | 0x00000800;
+          charsize++;
+        }
+        buf[outlength + 1] = (char) (0x80 | (wc & 0x3F));
+        wc = (wc >> 6) | 0x000000C0;
+        charsize++;
+      }
+      buf[outlength] = (char) wc;
+      outlength += charsize;
+    }
+  }
+  buf[outlength] = '\0';
+  *to = buf;
+  return outlength;
+}
+
+static const char *string2str(int type, const char *beg, const char *end)
+{
+  char *buf;
+
+  /* Convert an ASN.1 String into its UTF-8 string representation.
+     Return the dynamically allocated string, or NULL if an error occurs. */
+
+  if(utf8asn1str(&buf, type, beg, end) < 0)
+    return (const char *) NULL;
+  return buf;
+}
+
+static int encodeUint(char *buf, int n, unsigned int x)
+{
+  int i = 0;
+  unsigned int y = x / 10;
+
+  /* Decimal ASCII encode unsigned integer `x' in the `n'-byte buffer at `buf'.
+     Return the total number of encoded digits, even if larger than `n'. */
+
+  if(y) {
+    i += encodeUint(buf, n, y);
+    x -= y * 10;
+  }
+  if(i < n)
+    buf[i] = (char) ('0' + x);
+  i++;
+  if(i < n)
+    buf[i] = '\0';      /* Store a terminator if possible. */
+  return i;
+}
+
+static int encodeOID(char *buf, int n, const char *beg, const char *end)
+{
+  int i = 0;
+  unsigned int x;
+  unsigned int y;
+
+  /* Convert an ASN.1 OID into its dotted string representation.
+     Store the result in th `n'-byte buffer at `buf'.
+     Return the converted string length, or -1 if an error occurs. */
+
+  /* Process the first two numbers. */
+  y = *(const unsigned char *) beg++;
+  x = y / 40;
+  y -= x * 40;
+  i += encodeUint(buf + i, n - i, x);
+  if(i < n)
+    buf[i] = '.';
+  i++;
+  i += encodeUint(buf + i, n - i, y);
+
+  /* Process the trailing numbers. */
+  while(beg < end) {
+    if(i < n)
+      buf[i] = '.';
+    i++;
+    x = 0;
+    do {
+      if(x & 0xFF000000)
+        return -1;
+      y = *(const unsigned char *) beg++;
+      x = (x << 7) | (y & 0x7F);
+    } while(y & 0x80);
+    i += encodeUint(buf + i, n - i, x);
+  }
+  if(i < n)
+    buf[i] = '\0';
+  return i;
+}
+
+static const char *OID2str(const char *beg, const char *end, bool symbolic)
+{
+  char *buf = (char *) NULL;
+  const curl_OID * op;
+  int n;
+
+  /* Convert an ASN.1 OID into its dotted or symbolic string representation.
+     Return the dynamically allocated string, or NULL if an error occurs. */
+
+  if(beg < end) {
+    n = encodeOID((char *) NULL, -1, beg, end);
+    if(n >= 0) {
+      buf = malloc(n + 1);
+      if(buf) {
+        encodeOID(buf, n, beg, end);
+        buf[n] = '\0';
+
+        if(symbolic) {
+          op = searchOID(buf);
+          if(op) {
+            free(buf);
+            buf = strdup(op->textoid);
+          }
+        }
+      }
+    }
+  }
+  return buf;
+}
+
+static const char *GTime2str(const char *beg, const char *end)
+{
+  const char *tzp;
+  const char *fracp;
+  char sec1, sec2;
+  size_t fracl;
+  size_t tzl;
+  const char *sep = "";
+
+  /* Convert an ASN.1 Generalized time to a printable string.
+     Return the dynamically allocated string, or NULL if an error occurs. */
+
+  for(fracp = beg; fracp < end && *fracp >= '0' && *fracp <= '9'; fracp++)
+    ;
+
+  /* Get seconds digits. */
+  sec1 = '0';
+  switch(fracp - beg - 12) {
+  case 0:
+    sec2 = '0';
+    break;
+  case 2:
+    sec1 = fracp[-2];
+    /* FALLTHROUGH */
+  case 1:
+    sec2 = fracp[-1];
+    break;
+  default:
+    return (const char *) NULL;
+  }
+
+  /* Scan for timezone, measure fractional seconds. */
+  tzp = fracp;
+  fracl = 0;
+  if(fracp < end && (*fracp == '.' || *fracp == ',')) {
+    fracp++;
+    do
+      tzp++;
+    while(tzp < end && *tzp >= '0' && *tzp <= '9');
+    /* Strip leading zeroes in fractional seconds. */
+    for(fracl = tzp - fracp - 1; fracl && fracp[fracl - 1] == '0'; fracl--)
+      ;
+  }
+
+  /* Process timezone. */
+  if(tzp >= end)
+    ;           /* Nothing to do. */
+  else if(*tzp == 'Z') {
+    tzp = " GMT";
+    end = tzp + 4;
+  }
+  else {
+    sep = " ";
+    tzp++;
+  }
+
+  tzl = end - tzp;
+  return curl_maprintf("%.4s-%.2s-%.2s %.2s:%.2s:%c%c%s%.*s%s%.*s",
+                       beg, beg + 4, beg + 6,
+                       beg + 8, beg + 10, sec1, sec2,
+                       fracl? ".": "", fracl, fracp,
+                       sep, tzl, tzp);
+}
+
+static const char *UTime2str(const char *beg, const char *end)
+{
+  const char *tzp;
+  size_t tzl;
+  const char *sec;
+
+  /* Convert an ASN.1 UTC time to a printable string.
+     Return the dynamically allocated string, or NULL if an error occurs. */
+
+  for(tzp = beg; tzp < end && *tzp >= '0' && *tzp <= '9'; tzp++)
+    ;
+  /* Get the seconds. */
+  sec = beg + 10;
+  switch(tzp - sec) {
+  case 0:
+    sec = "00";
+  case 2:
+    break;
+  default:
+    return (const char *) NULL;
+  }
+
+  /* Process timezone. */
+  if(tzp >= end)
+    return (const char *) NULL;
+  if(*tzp == 'Z') {
+    tzp = "GMT";
+    end = tzp + 3;
+  }
+  else
+    tzp++;
+
+  tzl = end - tzp;
+  return curl_maprintf("%u%.2s-%.2s-%.2s %.2s:%.2s:%.2s %.*s",
+                       20 - (*beg >= '5'), beg, beg + 2, beg + 4,
+                       beg + 6, beg + 8, sec,
+                       tzl, tzp);
+}
+
+static const char *ASN1tostr(curl_asn1Element *elem, int type)
+{
+  /* Convert an ASN.1 element to a printable string.
+     Return the dynamically allocated string, or NULL if an error occurs. */
+
+  if(elem->constructed)
+    return (const char *) NULL; /* No conversion of structured elements. */
+
+  if(!type)
+    type = elem->tag;   /* Type not forced: use element tag as type. */
+
+  switch(type) {
+  case CURL_ASN1_BOOLEAN:
+    return bool2str(elem->beg, elem->end);
+  case CURL_ASN1_INTEGER:
+  case CURL_ASN1_ENUMERATED:
+    return int2str(elem->beg, elem->end);
+  case CURL_ASN1_BIT_STRING:
+    return bit2str(elem->beg, elem->end);
+  case CURL_ASN1_OCTET_STRING:
+    return octet2str(elem->beg, elem->end);
+  case CURL_ASN1_NULL:
+    return strdup("");
+  case CURL_ASN1_OBJECT_IDENTIFIER:
+    return OID2str(elem->beg, elem->end, TRUE);
+  case CURL_ASN1_UTC_TIME:
+    return UTime2str(elem->beg, elem->end);
+  case CURL_ASN1_GENERALIZED_TIME:
+    return GTime2str(elem->beg, elem->end);
+  case CURL_ASN1_UTF8_STRING:
+  case CURL_ASN1_NUMERIC_STRING:
+  case CURL_ASN1_PRINTABLE_STRING:
+  case CURL_ASN1_TELETEX_STRING:
+  case CURL_ASN1_IA5_STRING:
+  case CURL_ASN1_VISIBLE_STRING:
+  case CURL_ASN1_UNIVERSAL_STRING:
+  case CURL_ASN1_BMP_STRING:
+    return string2str(type, elem->beg, elem->end);
+  }
+
+  return (const char *) NULL;   /* Unsupported. */
+}
+
+static ssize_t encodeDN(char *buf, size_t n, curl_asn1Element *dn)
+{
+  curl_asn1Element rdn;
+  curl_asn1Element atv;
+  curl_asn1Element oid;
+  curl_asn1Element value;
+  size_t l = 0;
+  const char *p1;
+  const char *p2;
+  const char *p3;
+  const char *str;
+
+  /* ASCII encode distinguished name at `dn' into the `n'-byte buffer at `buf'.
+     Return the total string length, even if larger than `n'. */
+
+  for(p1 = dn->beg; p1 < dn->end;) {
+    p1 = getASN1Element(&rdn, p1, dn->end);
+    if(!p1)
+      return -1;
+    for(p2 = rdn.beg; p2 < rdn.end;) {
+      p2 = getASN1Element(&atv, p2, rdn.end);
+      if(!p2)
+        return -1;
+      p3 = getASN1Element(&oid, atv.beg, atv.end);
+      if(!p3)
+        return -1;
+      if(!getASN1Element(&value, p3, atv.end))
+        return -1;
+      str = ASN1tostr(&oid, 0);
+      if(!str)
+        return -1;
+
+      /* Encode delimiter.
+         If attribute has a short uppercase name, delimiter is ", ". */
+      if(l) {
+        for(p3 = str; isupper(*p3); p3++)
+          ;
+        for(p3 = (*p3 || p3 - str > 2)? "/": ", "; *p3; p3++) {
+          if(l < n)
+            buf[l] = *p3;
+          l++;
+        }
+      }
+
+      /* Encode attribute name. */
+      for(p3 = str; *p3; p3++) {
+        if(l < n)
+          buf[l] = *p3;
+        l++;
+      }
+      free((char *) str);
+
+      /* Generate equal sign. */
+      if(l < n)
+        buf[l] = '=';
+      l++;
+
+      /* Generate value. */
+      str = ASN1tostr(&value, 0);
+      if(!str)
+        return -1;
+      for(p3 = str; *p3; p3++) {
+        if(l < n)
+          buf[l] = *p3;
+        l++;
+      }
+      free((char *) str);
+    }
+  }
+
+  return l;
+}
+
+static const char *DNtostr(curl_asn1Element *dn)
+{
+  char *buf = (char *) NULL;
+  ssize_t n = encodeDN(buf, 0, dn);
+
+  /* Convert an ASN.1 distinguished name into a printable string.
+     Return the dynamically allocated string, or NULL if an error occurs. */
+
+  if(n >= 0) {
+    buf = malloc(n + 1);
+    if(buf) {
+      encodeDN(buf, n + 1, dn);
+      buf[n] = '\0';
+    }
+  }
+  return (const char *) buf;
+}
+
+/*
+ * X509 parser.
+ */
+
+int Curl_parseX509(curl_X509certificate *cert,
+                   const char *beg, const char *end)
+{
+  curl_asn1Element elem;
+  curl_asn1Element tbsCertificate;
+  const char *ccp;
+  static const char defaultVersion = 0;  /* v1. */
+
+  /* ASN.1 parse an X509 certificate into structure subfields.
+     Syntax is assumed to have already been checked by the SSL backend.
+     See RFC 5280. */
+
+  cert->certificate.header = NULL;
+  cert->certificate.beg = beg;
+  cert->certificate.end = end;
+
+  /* Get the sequence content. */
+  if(!getASN1Element(&elem, beg, end))
+    return -1;  /* Invalid bounds/size. */
+  beg = elem.beg;
+  end = elem.end;
+
+  /* Get tbsCertificate. */
+  beg = getASN1Element(&tbsCertificate, beg, end);
+  if(!beg)
+    return -1;
+  /* Skip the signatureAlgorithm. */
+  beg = getASN1Element(&cert->signatureAlgorithm, beg, end);
+  if(!beg)
+    return -1;
+  /* Get the signatureValue. */
+  if(!getASN1Element(&cert->signature, beg, end))
+    return -1;
+
+  /* Parse TBSCertificate. */
+  beg = tbsCertificate.beg;
+  end = tbsCertificate.end;
+  /* Get optional version, get serialNumber. */
+  cert->version.header = NULL;
+  cert->version.beg = &defaultVersion;
+  cert->version.end = &defaultVersion + sizeof(defaultVersion);
+  beg = getASN1Element(&elem, beg, end);
+  if(!beg)
+    return -1;
+  if(elem.tag == 0) {
+    if(!getASN1Element(&cert->version, elem.beg, elem.end))
+      return -1;
+    beg = getASN1Element(&elem, beg, end);
+    if(!beg)
+      return -1;
+  }
+  cert->serialNumber = elem;
+  /* Get signature algorithm. */
+  beg = getASN1Element(&cert->signatureAlgorithm, beg, end);
+  /* Get issuer. */
+  beg = getASN1Element(&cert->issuer, beg, end);
+  if(!beg)
+    return -1;
+  /* Get notBefore and notAfter. */
+  beg = getASN1Element(&elem, beg, end);
+  if(!beg)
+    return -1;
+  ccp = getASN1Element(&cert->notBefore, elem.beg, elem.end);
+  if(!ccp)
+    return -1;
+  if(!getASN1Element(&cert->notAfter, ccp, elem.end))
+    return -1;
+  /* Get subject. */
+  beg = getASN1Element(&cert->subject, beg, end);
+  if(!beg)
+    return -1;
+  /* Get subjectPublicKeyAlgorithm and subjectPublicKey. */
+  beg = getASN1Element(&cert->subjectPublicKeyInfo, beg, end);
+  if(!beg)
+    return -1;
+  ccp = getASN1Element(&cert->subjectPublicKeyAlgorithm,
+                       cert->subjectPublicKeyInfo.beg,
+                       cert->subjectPublicKeyInfo.end);
+  if(!ccp)
+    return -1;
+  if(!getASN1Element(&cert->subjectPublicKey, ccp,
+                     cert->subjectPublicKeyInfo.end))
+    return -1;
+  /* Get optional issuerUiqueID, subjectUniqueID and extensions. */
+  cert->issuerUniqueID.tag = cert->subjectUniqueID.tag = 0;
+  cert->extensions.tag = elem.tag = 0;
+  cert->issuerUniqueID.header = cert->subjectUniqueID.header = NULL;
+  cert->issuerUniqueID.beg = cert->issuerUniqueID.end = "";
+  cert->subjectUniqueID.beg = cert->subjectUniqueID.end = "";
+  cert->extensions.header = NULL;
+  cert->extensions.beg = cert->extensions.end = "";
+  if(beg < end) {
+    beg = getASN1Element(&elem, beg, end);
+    if(!beg)
+      return -1;
+  }
+  if(elem.tag == 1) {
+    cert->issuerUniqueID = elem;
+    if(beg < end) {
+      beg = getASN1Element(&elem, beg, end);
+      if(!beg)
+        return -1;
+    }
+  }
+  if(elem.tag == 2) {
+    cert->subjectUniqueID = elem;
+    if(beg < end) {
+      beg = getASN1Element(&elem, beg, end);
+      if(!beg)
+        return -1;
+    }
+  }
+  if(elem.tag == 3)
+    if(!getASN1Element(&cert->extensions, elem.beg, elem.end))
+      return -1;
+  return 0;
+}
+
+static size_t copySubstring(char *to, const char *from)
+{
+  size_t i;
+
+  /* Copy at most 64-characters, terminate with a newline and returns the
+     effective number of stored characters. */
+
+  for(i = 0; i < 64; i++) {
+    to[i] = *from;
+    if(!*from++)
+      break;
+  }
+
+  to[i++] = '\n';
+  return i;
+}
+
+static const char *dumpAlgo(curl_asn1Element *param,
+                            const char *beg, const char *end)
+{
+  curl_asn1Element oid;
+
+  /* Get algorithm parameters and return algorithm name. */
+
+  beg = getASN1Element(&oid, beg, end);
+  if(!beg)
+    return NULL;
+  param->header = NULL;
+  param->tag = 0;
+  param->beg = param->end = end;
+  if(beg < end)
+    if(!getASN1Element(param, beg, end))
+      return NULL;
+  return OID2str(oid.beg, oid.end, TRUE);
+}
+
+static void do_pubkey_field(struct Curl_easy *data, int certnum,
+                            const char *label, curl_asn1Element *elem)
+{
+  const char *output;
+
+  /* Generate a certificate information record for the public key. */
+
+  output = ASN1tostr(elem, 0);
+  if(output) {
+    if(data->set.ssl.certinfo)
+      Curl_ssl_push_certinfo(data, certnum, label, output);
+    if(!certnum)
+      infof(data, "   %s: %s\n", label, output);
+    free((char *) output);
+  }
+}
+
+static void do_pubkey(struct Curl_easy *data, int certnum,
+                      const char *algo, curl_asn1Element *param,
+                      curl_asn1Element *pubkey)
+{
+  curl_asn1Element elem;
+  curl_asn1Element pk;
+  const char *p;
+  const char *q;
+  unsigned long len;
+  unsigned int i;
+
+  /* Generate all information records for the public key. */
+
+  /* Get the public key (single element). */
+  if(!getASN1Element(&pk, pubkey->beg + 1, pubkey->end))
+    return;
+
+  if(strcasecompare(algo, "rsaEncryption")) {
+    p = getASN1Element(&elem, pk.beg, pk.end);
+    if(!p)
+      return;
+
+    /* Compute key length. */
+    for(q = elem.beg; !*q && q < elem.end; q++)
+      ;
+    len = (unsigned long)((elem.end - q) * 8);
+    if(len)
+      for(i = *(unsigned char *) q; !(i & 0x80); i <<= 1)
+        len--;
+    if(len > 32)
+      elem.beg = q;     /* Strip leading zero bytes. */
+    if(!certnum)
+      infof(data, "   RSA Public Key (%lu bits)\n", len);
+    if(data->set.ssl.certinfo) {
+      q = curl_maprintf("%lu", len);
+      if(q) {
+        Curl_ssl_push_certinfo(data, certnum, "RSA Public Key", q);
+        free((char *) q);
+      }
+    }
+    /* Generate coefficients. */
+    do_pubkey_field(data, certnum, "rsa(n)", &elem);
+    if(!getASN1Element(&elem, p, pk.end))
+      return;
+    do_pubkey_field(data, certnum, "rsa(e)", &elem);
+  }
+  else if(strcasecompare(algo, "dsa")) {
+    p = getASN1Element(&elem, param->beg, param->end);
+    if(p) {
+      do_pubkey_field(data, certnum, "dsa(p)", &elem);
+      p = getASN1Element(&elem, p, param->end);
+      if(p) {
+        do_pubkey_field(data, certnum, "dsa(q)", &elem);
+        if(getASN1Element(&elem, p, param->end)) {
+          do_pubkey_field(data, certnum, "dsa(g)", &elem);
+          do_pubkey_field(data, certnum, "dsa(pub_key)", &pk);
+        }
+      }
+    }
+  }
+  else if(strcasecompare(algo, "dhpublicnumber")) {
+    p = getASN1Element(&elem, param->beg, param->end);
+    if(p) {
+      do_pubkey_field(data, certnum, "dh(p)", &elem);
+      if(getASN1Element(&elem, param->beg, param->end)) {
+        do_pubkey_field(data, certnum, "dh(g)", &elem);
+        do_pubkey_field(data, certnum, "dh(pub_key)", &pk);
+      }
+    }
+  }
+}
+
+CURLcode Curl_extract_certinfo(struct connectdata *conn,
+                               int certnum,
+                               const char *beg,
+                               const char *end)
+{
+  curl_X509certificate cert;
+  struct Curl_easy *data = conn->data;
+  curl_asn1Element param;
+  const char *ccp;
+  char *cp1;
+  size_t cl1;
+  char *cp2;
+  CURLcode result;
+  unsigned long version;
+  size_t i;
+  size_t j;
+
+  if(!data->set.ssl.certinfo)
+    if(certnum)
+      return CURLE_OK;
+
+  /* Prepare the certificate information for curl_easy_getinfo(). */
+
+  /* Extract the certificate ASN.1 elements. */
+  if(Curl_parseX509(&cert, beg, end))
+    return CURLE_PEER_FAILED_VERIFICATION;
+
+  /* Subject. */
+  ccp = DNtostr(&cert.subject);
+  if(!ccp)
+    return CURLE_OUT_OF_MEMORY;
+  if(data->set.ssl.certinfo)
+    Curl_ssl_push_certinfo(data, certnum, "Subject", ccp);
+  if(!certnum)
+    infof(data, "%2d Subject: %s\n", certnum, ccp);
+  free((char *) ccp);
+
+  /* Issuer. */
+  ccp = DNtostr(&cert.issuer);
+  if(!ccp)
+    return CURLE_OUT_OF_MEMORY;
+  if(data->set.ssl.certinfo)
+    Curl_ssl_push_certinfo(data, certnum, "Issuer", ccp);
+  if(!certnum)
+    infof(data, "   Issuer: %s\n", ccp);
+  free((char *) ccp);
+
+  /* Version (always fits in less than 32 bits). */
+  version = 0;
+  for(ccp = cert.version.beg; ccp < cert.version.end; ccp++)
+    version = (version << 8) | *(const unsigned char *) ccp;
+  if(data->set.ssl.certinfo) {
+    ccp = curl_maprintf("%lx", version);
+    if(!ccp)
+      return CURLE_OUT_OF_MEMORY;
+    Curl_ssl_push_certinfo(data, certnum, "Version", ccp);
+    free((char *) ccp);
+  }
+  if(!certnum)
+    infof(data, "   Version: %lu (0x%lx)\n", version + 1, version);
+
+  /* Serial number. */
+  ccp = ASN1tostr(&cert.serialNumber, 0);
+  if(!ccp)
+    return CURLE_OUT_OF_MEMORY;
+  if(data->set.ssl.certinfo)
+    Curl_ssl_push_certinfo(data, certnum, "Serial Number", ccp);
+  if(!certnum)
+    infof(data, "   Serial Number: %s\n", ccp);
+  free((char *) ccp);
+
+  /* Signature algorithm .*/
+  ccp = dumpAlgo(&param, cert.signatureAlgorithm.beg,
+                 cert.signatureAlgorithm.end);
+  if(!ccp)
+    return CURLE_OUT_OF_MEMORY;
+  if(data->set.ssl.certinfo)
+    Curl_ssl_push_certinfo(data, certnum, "Signature Algorithm", ccp);
+  if(!certnum)
+    infof(data, "   Signature Algorithm: %s\n", ccp);
+  free((char *) ccp);
+
+  /* Start Date. */
+  ccp = ASN1tostr(&cert.notBefore, 0);
+  if(!ccp)
+    return CURLE_OUT_OF_MEMORY;
+  if(data->set.ssl.certinfo)
+    Curl_ssl_push_certinfo(data, certnum, "Start Date", ccp);
+  if(!certnum)
+    infof(data, "   Start Date: %s\n", ccp);
+  free((char *) ccp);
+
+  /* Expire Date. */
+  ccp = ASN1tostr(&cert.notAfter, 0);
+  if(!ccp)
+    return CURLE_OUT_OF_MEMORY;
+  if(data->set.ssl.certinfo)
+    Curl_ssl_push_certinfo(data, certnum, "Expire Date", ccp);
+  if(!certnum)
+    infof(data, "   Expire Date: %s\n", ccp);
+  free((char *) ccp);
+
+  /* Public Key Algorithm. */
+  ccp = dumpAlgo(&param, cert.subjectPublicKeyAlgorithm.beg,
+                 cert.subjectPublicKeyAlgorithm.end);
+  if(!ccp)
+    return CURLE_OUT_OF_MEMORY;
+  if(data->set.ssl.certinfo)
+    Curl_ssl_push_certinfo(data, certnum, "Public Key Algorithm", ccp);
+  if(!certnum)
+    infof(data, "   Public Key Algorithm: %s\n", ccp);
+  do_pubkey(data, certnum, ccp, &param, &cert.subjectPublicKey);
+  free((char *) ccp);
+
+/* TODO: extensions. */
+
+  /* Signature. */
+  ccp = ASN1tostr(&cert.signature, 0);
+  if(!ccp)
+    return CURLE_OUT_OF_MEMORY;
+  if(data->set.ssl.certinfo)
+    Curl_ssl_push_certinfo(data, certnum, "Signature", ccp);
+  if(!certnum)
+    infof(data, "   Signature: %s\n", ccp);
+  free((char *) ccp);
+
+  /* Generate PEM certificate. */
+  result = Curl_base64_encode(data, cert.certificate.beg,
+                              cert.certificate.end - cert.certificate.beg,
+                              &cp1, &cl1);
+  if(result)
+    return result;
+  /* Compute the number of characters in final certificate string. Format is:
+     -----BEGIN CERTIFICATE-----\n
+     <max 64 base64 characters>\n
+     .
+     .
+     .
+     -----END CERTIFICATE-----\n
+   */
+  i = 28 + cl1 + (cl1 + 64 - 1) / 64 + 26;
+  cp2 = malloc(i + 1);
+  if(!cp2) {
+    free(cp1);
+    return CURLE_OUT_OF_MEMORY;
+  }
+  /* Build the certificate string. */
+  i = copySubstring(cp2, "-----BEGIN CERTIFICATE-----");
+  for(j = 0; j < cl1; j += 64)
+    i += copySubstring(cp2 + i, cp1 + j);
+  i += copySubstring(cp2 + i, "-----END CERTIFICATE-----");
+  cp2[i] = '\0';
+  free(cp1);
+  if(data->set.ssl.certinfo)
+    Curl_ssl_push_certinfo(data, certnum, "Cert", cp2);
+  if(!certnum)
+    infof(data, "%s\n", cp2);
+  free(cp2);
+  return CURLE_OK;
+}
+
+#endif /* USE_GSKIT or USE_NSS or USE_GNUTLS or USE_CYASSL or USE_SCHANNEL */
+
+#if defined(USE_GSKIT)
+
+static const char *checkOID(const char *beg, const char *end,
+                            const char *oid)
+{
+  curl_asn1Element e;
+  const char *ccp;
+  const char *p;
+  bool matched;
+
+  /* Check if first ASN.1 element at `beg' is the given OID.
+     Return a pointer in the source after the OID if found, else NULL. */
+
+  ccp = getASN1Element(&e, beg, end);
+  if(!ccp || e.tag != CURL_ASN1_OBJECT_IDENTIFIER)
+    return (const char *) NULL;
+
+  p = OID2str(e.beg, e.end, FALSE);
+  if(!p)
+    return (const char *) NULL;
+
+  matched = !strcmp(p, oid);
+  free((char *) p);
+  return matched? ccp: (const char *) NULL;
+}
+
+CURLcode Curl_verifyhost(struct connectdata *conn,
+                         const char *beg, const char *end)
+{
+  struct Curl_easy *data = conn->data;
+  curl_X509certificate cert;
+  curl_asn1Element dn;
+  curl_asn1Element elem;
+  curl_asn1Element ext;
+  curl_asn1Element name;
+  const char *p;
+  const char *q;
+  char *dnsname;
+  int matched = -1;
+  size_t addrlen = (size_t) -1;
+  ssize_t len;
+  const char * const hostname = SSL_IS_PROXY()? conn->http_proxy.host.name:
+                                                conn->host.name;
+  const char * const dispname = SSL_IS_PROXY()?
+                                  conn->http_proxy.host.dispname:
+                                  conn->host.dispname;
+#ifdef ENABLE_IPV6
+  struct in6_addr addr;
+#else
+  struct in_addr addr;
+#endif
+
+  /* Verify that connection server matches info in X509 certificate at
+     `beg'..`end'. */
+
+  if(!SSL_CONN_CONFIG(verifyhost))
+    return CURLE_OK;
+
+  if(Curl_parseX509(&cert, beg, end))
+    return CURLE_PEER_FAILED_VERIFICATION;
+
+  /* Get the server IP address. */
+#ifdef ENABLE_IPV6
+  if(conn->bits.ipv6_ip && Curl_inet_pton(AF_INET6, hostname, &addr))
+    addrlen = sizeof(struct in6_addr);
+  else
+#endif
+  if(Curl_inet_pton(AF_INET, hostname, &addr))
+    addrlen = sizeof(struct in_addr);
+
+  /* Process extensions. */
+  for(p = cert.extensions.beg; p < cert.extensions.end && matched != 1;) {
+    p = getASN1Element(&ext, p, cert.extensions.end);
+    if(!p)
+      return CURLE_PEER_FAILED_VERIFICATION;
+
+    /* Check if extension is a subjectAlternativeName. */
+    ext.beg = checkOID(ext.beg, ext.end, sanOID);
+    if(ext.beg) {
+      ext.beg = getASN1Element(&elem, ext.beg, ext.end);
+      if(!ext.beg)
+        return CURLE_PEER_FAILED_VERIFICATION;
+      /* Skip critical if present. */
+      if(elem.tag == CURL_ASN1_BOOLEAN) {
+        ext.beg = getASN1Element(&elem, ext.beg, ext.end);
+        if(!ext.beg)
+          return CURLE_PEER_FAILED_VERIFICATION;
+      }
+      /* Parse the octet string contents: is a single sequence. */
+      if(!getASN1Element(&elem, elem.beg, elem.end))
+        return CURLE_PEER_FAILED_VERIFICATION;
+      /* Check all GeneralNames. */
+      for(q = elem.beg; matched != 1 && q < elem.end;) {
+        q = getASN1Element(&name, q, elem.end);
+        if(!q)
+          break;
+        switch(name.tag) {
+        case 2: /* DNS name. */
+          len = utf8asn1str(&dnsname, CURL_ASN1_IA5_STRING,
+                            name.beg, name.end);
+          if(len > 0 && (size_t)len == strlen(dnsname))
+            matched = Curl_cert_hostcheck(dnsname, hostname);
+          else
+            matched = 0;
+          free(dnsname);
+          break;
+
+        case 7: /* IP address. */
+          matched = (size_t) (name.end - name.beg) == addrlen &&
+                    !memcmp(&addr, name.beg, addrlen);
+          break;
+        }
+      }
+    }
+  }
+
+  switch(matched) {
+  case 1:
+    /* an alternative name matched the server hostname */
+    infof(data, "\t subjectAltName: %s matched\n", dispname);
+    return CURLE_OK;
+  case 0:
+    /* an alternative name field existed, but didn't match and then
+       we MUST fail */
+    infof(data, "\t subjectAltName does not match %s\n", dispname);
+    return CURLE_PEER_FAILED_VERIFICATION;
+  }
+
+  /* Process subject. */
+  name.header = NULL;
+  name.beg = name.end = "";
+  q = cert.subject.beg;
+  /* we have to look to the last occurrence of a commonName in the
+     distinguished one to get the most significant one. */
+  while(q < cert.subject.end) {
+    q = getASN1Element(&dn, q, cert.subject.end);
+    if(!q)
+      break;
+    for(p = dn.beg; p < dn.end;) {
+      p = getASN1Element(&elem, p, dn.end);
+      if(!p)
+        return CURLE_PEER_FAILED_VERIFICATION;
+      /* We have a DN's AttributeTypeAndValue: check it in case it's a CN. */
+      elem.beg = checkOID(elem.beg, elem.end, cnOID);
+      if(elem.beg)
+        name = elem;    /* Latch CN. */
+    }
+  }
+
+  /* Check the CN if found. */
+  if(!getASN1Element(&elem, name.beg, name.end))
+    failf(data, "SSL: unable to obtain common name from peer certificate");
+  else {
+    len = utf8asn1str(&dnsname, elem.tag, elem.beg, elem.end);
+    if(len < 0) {
+      free(dnsname);
+      return CURLE_OUT_OF_MEMORY;
+    }
+    if(strlen(dnsname) != (size_t) len)         /* Nul byte in string ? */
+      failf(data, "SSL: illegal cert name field");
+    else if(Curl_cert_hostcheck((const char *) dnsname, hostname)) {
+      infof(data, "\t common name: %s (matched)\n", dnsname);
+      free(dnsname);
+      return CURLE_OK;
+    }
+    else
+      failf(data, "SSL: certificate subject name '%s' does not match "
+            "target host name '%s'", dnsname, dispname);
+    free(dnsname);
+  }
+
+  return CURLE_PEER_FAILED_VERIFICATION;
+}
+
+#endif /* USE_GSKIT */
Index: trunk/src/libs/curl-7.64.0/lib/x509asn1.h
===================================================================
--- trunk/src/libs/curl-7.64.0/lib/x509asn1.h	(revision 85671)
+++ trunk/src/libs/curl-7.64.0/lib/x509asn1.h	(revision 85671)
@@ -0,0 +1,134 @@
+#ifndef HEADER_CURL_X509ASN1_H
+#define HEADER_CURL_X509ASN1_H
+
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if defined(USE_GSKIT) || defined(USE_NSS) || defined(USE_GNUTLS) || \
+    defined(USE_CYASSL) || defined(USE_SCHANNEL)
+
+#include "urldata.h"
+
+/*
+ * Constants.
+ */
+
+/* Largest supported ASN.1 structure. */
+#define CURL_ASN1_MAX                   ((size_t) 0x40000)      /* 256K */
+
+/* ASN.1 classes. */
+#define CURL_ASN1_UNIVERSAL             0
+#define CURL_ASN1_APPLICATION           1
+#define CURL_ASN1_CONTEXT_SPECIFIC      2
+#define CURL_ASN1_PRIVATE               3
+
+/* ASN.1 types. */
+#define CURL_ASN1_BOOLEAN               1
+#define CURL_ASN1_INTEGER               2
+#define CURL_ASN1_BIT_STRING            3
+#define CURL_ASN1_OCTET_STRING          4
+#define CURL_ASN1_NULL                  5
+#define CURL_ASN1_OBJECT_IDENTIFIER     6
+#define CURL_ASN1_OBJECT_DESCRIPTOR     7
+#define CURL_ASN1_INSTANCE_OF           8
+#define CURL_ASN1_REAL                  9
+#define CURL_ASN1_ENUMERATED            10
+#define CURL_ASN1_EMBEDDED              11
+#define CURL_ASN1_UTF8_STRING           12
+#define CURL_ASN1_RELATIVE_OID          13
+#define CURL_ASN1_SEQUENCE              16
+#define CURL_ASN1_SET                   17
+#define CURL_ASN1_NUMERIC_STRING        18
+#define CURL_ASN1_PRINTABLE_STRING      19
+#define CURL_ASN1_TELETEX_STRING        20
+#define CURL_ASN1_VIDEOTEX_STRING       21
+#define CURL_ASN1_IA5_STRING            22
+#define CURL_ASN1_UTC_TIME              23
+#define CURL_ASN1_GENERALIZED_TIME      24
+#define CURL_ASN1_GRAPHIC_STRING        25
+#define CURL_ASN1_VISIBLE_STRING        26
+#define CURL_ASN1_GENERAL_STRING        27
+#define CURL_ASN1_UNIVERSAL_STRING      28
+#define CURL_ASN1_CHARACTER_STRING      29
+#define CURL_ASN1_BMP_STRING            30
+
+
+/*
+ * Types.
+ */
+
+/* ASN.1 parsed element. */
+typedef struct {
+  const char *  header;         /* Pointer to header byte. */
+  const char *  beg;            /* Pointer to element data. */
+  const char *  end;            /* Pointer to 1st byte after element. */
+  unsigned char class;          /* ASN.1 element class. */
+  unsigned char tag;            /* ASN.1 element tag. */
+  bool          constructed;    /* Element is constructed. */
+}  curl_asn1Element;
+
+
+/* ASN.1 OID table entry. */
+typedef struct {
+  const char *  numoid;         /* Dotted-numeric OID. */
+  const char *  textoid;        /* OID name. */
+}  curl_OID;
+
+
+/* X509 certificate: RFC 5280. */
+typedef struct {
+  curl_asn1Element      certificate;
+  curl_asn1Element      version;
+  curl_asn1Element      serialNumber;
+  curl_asn1Element      signatureAlgorithm;
+  curl_asn1Element      signature;
+  curl_asn1Element      issuer;
+  curl_asn1Element      notBefore;
+  curl_asn1Element      notAfter;
+  curl_asn1Element      subject;
+  curl_asn1Element      subjectPublicKeyInfo;
+  curl_asn1Element      subjectPublicKeyAlgorithm;
+  curl_asn1Element      subjectPublicKey;
+  curl_asn1Element      issuerUniqueID;
+  curl_asn1Element      subjectUniqueID;
+  curl_asn1Element      extensions;
+}  curl_X509certificate;
+
+
+/*
+ * Prototypes.
+ */
+
+const char *Curl_getASN1Element(curl_asn1Element *elem,
+                                 const char *beg, const char *end);
+const char *Curl_ASN1tostr(curl_asn1Element *elem, int type);
+const char *Curl_DNtostr(curl_asn1Element *dn);
+int Curl_parseX509(curl_X509certificate *cert,
+                   const char *beg, const char *end);
+CURLcode Curl_extract_certinfo(struct connectdata *conn, int certnum,
+                               const char *beg, const char *end);
+CURLcode Curl_verifyhost(struct connectdata *conn,
+                         const char *beg, const char *end);
+#endif /* USE_GSKIT or USE_NSS or USE_GNUTLS or USE_CYASSL or USE_SCHANNEL */
+#endif /* HEADER_CURL_X509ASN1_H */
