| 1 | /***************************************************************************
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| 2 | * _ _ ____ _
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| 3 | * Project ___| | | | _ \| |
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| 4 | * / __| | | | |_) | |
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| 5 | * | (__| |_| | _ <| |___
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| 6 | * \___|\___/|_| \_\_____|
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| 7 | *
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| 8 | * Copyright (C) Daniel Stenberg, <[email protected]>, et al.
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| 9 | * Copyright (C) Nick Zitzmann, <[email protected]>.
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| 10 | *
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| 11 | * This software is licensed as described in the file COPYING, which
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| 12 | * you should have received as part of this distribution. The terms
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| 13 | * are also available at https://curl.se/docs/copyright.html.
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| 14 | *
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| 15 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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| 16 | * copies of the Software, and permit persons to whom the Software is
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| 17 | * furnished to do so, under the terms of the COPYING file.
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| 18 | *
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| 19 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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| 20 | * KIND, either express or implied.
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| 21 | *
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| 22 | * SPDX-License-Identifier: curl
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| 23 | *
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| 24 | ***************************************************************************/
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| 25 |
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| 26 | /*
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| 27 | * Source file for all iOS and macOS SecureTransport-specific code for the
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| 28 | * TLS/SSL layer. No code but vtls.c should ever call or use these functions.
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| 29 | */
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| 30 |
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| 31 | #include "curl_setup.h"
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| 32 |
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| 33 | #include "urldata.h" /* for the Curl_easy definition */
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| 34 | #include "curl_base64.h"
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| 35 | #include "strtok.h"
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| 36 | #include "multiif.h"
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| 37 | #include "strcase.h"
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| 38 | #include "x509asn1.h"
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| 39 | #include "strerror.h"
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| 40 |
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| 41 | #ifdef USE_SECTRANSP
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| 42 |
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| 43 | #ifdef __clang__
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| 44 | #pragma clang diagnostic push
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| 45 | #pragma clang diagnostic ignored "-Wtautological-pointer-compare"
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| 46 | #endif /* __clang__ */
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| 47 |
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| 48 | #include <limits.h>
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| 49 |
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| 50 | #include <Security/Security.h>
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| 51 | /* For some reason, when building for iOS, the omnibus header above does
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| 52 | * not include SecureTransport.h as of iOS SDK 5.1. */
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| 53 | #include <Security/SecureTransport.h>
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| 54 | #include <CoreFoundation/CoreFoundation.h>
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| 55 | #include <CommonCrypto/CommonDigest.h>
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| 56 |
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| 57 | /* The Security framework has changed greatly between iOS and different macOS
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| 58 | versions, and we will try to support as many of them as we can (back to
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| 59 | Leopard and iOS 5) by using macros and weak-linking.
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| 60 |
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| 61 | In general, you want to build this using the most recent OS SDK, since some
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| 62 | features require curl to be built against the latest SDK. TLS 1.1 and 1.2
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| 63 | support, for instance, require the macOS 10.8 SDK or later. TLS 1.3
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| 64 | requires the macOS 10.13 or iOS 11 SDK or later. */
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| 65 | #if (TARGET_OS_MAC && !(TARGET_OS_EMBEDDED || TARGET_OS_IPHONE))
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| 66 |
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| 67 | #if MAC_OS_X_VERSION_MAX_ALLOWED < 1050
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| 68 | #error "The Secure Transport back-end requires Leopard or later."
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| 69 | #endif /* MAC_OS_X_VERSION_MAX_ALLOWED < 1050 */
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| 70 |
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| 71 | #define CURL_BUILD_IOS 0
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| 72 | #define CURL_BUILD_IOS_7 0
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| 73 | #define CURL_BUILD_IOS_9 0
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| 74 | #define CURL_BUILD_IOS_11 0
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| 75 | #define CURL_BUILD_IOS_13 0
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| 76 | #define CURL_BUILD_MAC 1
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| 77 | /* This is the maximum API level we are allowed to use when building: */
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| 78 | #define CURL_BUILD_MAC_10_5 MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
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| 79 | #define CURL_BUILD_MAC_10_6 MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
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| 80 | #define CURL_BUILD_MAC_10_7 MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
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| 81 | #define CURL_BUILD_MAC_10_8 MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
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| 82 | #define CURL_BUILD_MAC_10_9 MAC_OS_X_VERSION_MAX_ALLOWED >= 1090
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| 83 | #define CURL_BUILD_MAC_10_11 MAC_OS_X_VERSION_MAX_ALLOWED >= 101100
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| 84 | #define CURL_BUILD_MAC_10_13 MAC_OS_X_VERSION_MAX_ALLOWED >= 101300
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| 85 | #define CURL_BUILD_MAC_10_15 MAC_OS_X_VERSION_MAX_ALLOWED >= 101500
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| 86 | /* These macros mean "the following code is present to allow runtime backward
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| 87 | compatibility with at least this cat or earlier":
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| 88 | (You set this at build-time using the compiler command line option
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| 89 | "-mmacosx-version-min.") */
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| 90 | #define CURL_SUPPORT_MAC_10_5 MAC_OS_X_VERSION_MIN_REQUIRED <= 1050
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| 91 | #define CURL_SUPPORT_MAC_10_6 MAC_OS_X_VERSION_MIN_REQUIRED <= 1060
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| 92 | #define CURL_SUPPORT_MAC_10_7 MAC_OS_X_VERSION_MIN_REQUIRED <= 1070
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| 93 | #define CURL_SUPPORT_MAC_10_8 MAC_OS_X_VERSION_MIN_REQUIRED <= 1080
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| 94 | #define CURL_SUPPORT_MAC_10_9 MAC_OS_X_VERSION_MIN_REQUIRED <= 1090
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| 95 |
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| 96 | #elif TARGET_OS_EMBEDDED || TARGET_OS_IPHONE
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| 97 | #define CURL_BUILD_IOS 1
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| 98 | #define CURL_BUILD_IOS_7 __IPHONE_OS_VERSION_MAX_ALLOWED >= 70000
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| 99 | #define CURL_BUILD_IOS_9 __IPHONE_OS_VERSION_MAX_ALLOWED >= 90000
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| 100 | #define CURL_BUILD_IOS_11 __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000
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| 101 | #define CURL_BUILD_IOS_13 __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000
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| 102 | #define CURL_BUILD_MAC 0
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| 103 | #define CURL_BUILD_MAC_10_5 0
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| 104 | #define CURL_BUILD_MAC_10_6 0
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| 105 | #define CURL_BUILD_MAC_10_7 0
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| 106 | #define CURL_BUILD_MAC_10_8 0
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| 107 | #define CURL_BUILD_MAC_10_9 0
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| 108 | #define CURL_BUILD_MAC_10_11 0
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| 109 | #define CURL_BUILD_MAC_10_13 0
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| 110 | #define CURL_BUILD_MAC_10_15 0
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| 111 | #define CURL_SUPPORT_MAC_10_5 0
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| 112 | #define CURL_SUPPORT_MAC_10_6 0
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| 113 | #define CURL_SUPPORT_MAC_10_7 0
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| 114 | #define CURL_SUPPORT_MAC_10_8 0
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| 115 | #define CURL_SUPPORT_MAC_10_9 0
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| 116 |
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| 117 | #else
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| 118 | #error "The Secure Transport back-end requires iOS or macOS."
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| 119 | #endif /* (TARGET_OS_MAC && !(TARGET_OS_EMBEDDED || TARGET_OS_IPHONE)) */
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| 120 |
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| 121 | #if CURL_BUILD_MAC
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| 122 | #include <sys/sysctl.h>
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| 123 | #endif /* CURL_BUILD_MAC */
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| 124 |
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| 125 | #include "sendf.h"
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| 126 | #include "inet_pton.h"
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| 127 | #include "connect.h"
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| 128 | #include "select.h"
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| 129 | #include "vtls.h"
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| 130 | #include "vtls_int.h"
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| 131 | #include "sectransp.h"
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| 132 | #include "curl_printf.h"
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| 133 | #include "strdup.h"
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| 134 |
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| 135 | #include "curl_memory.h"
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| 136 | /* The last #include file should be: */
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| 137 | #include "memdebug.h"
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| 138 |
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| 139 |
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| 140 | /* From MacTypes.h (which we can't include because it isn't present in iOS: */
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| 141 | #define ioErr -36
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| 142 | #define paramErr -50
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| 143 |
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| 144 | struct ssl_backend_data {
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| 145 | SSLContextRef ssl_ctx;
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| 146 | bool ssl_direction; /* true if writing, false if reading */
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| 147 | size_t ssl_write_buffered_length;
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| 148 | };
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| 149 |
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| 150 | struct st_cipher {
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| 151 | const char *name; /* Cipher suite IANA name. It starts with "TLS_" prefix */
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| 152 | const char *alias_name; /* Alias name is the same as OpenSSL cipher name */
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| 153 | SSLCipherSuite num; /* Cipher suite code/number defined in IANA registry */
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| 154 | bool weak; /* Flag to mark cipher as weak based on previous implementation
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| 155 | of Secure Transport back-end by CURL */
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| 156 | };
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| 157 |
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| 158 | /* Macro to initialize st_cipher data structure: stringify id to name, cipher
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| 159 | number/id, 'weak' suite flag
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| 160 | */
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| 161 | #define CIPHER_DEF(num, alias, weak) \
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| 162 | { #num, alias, num, weak }
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| 163 |
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| 164 | /*
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| 165 | Macro to initialize st_cipher data structure with name, code (IANA cipher
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| 166 | number/id value), and 'weak' suite flag. The first 28 cipher suite numbers
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| 167 | have the same IANA code for both SSL and TLS standards: numbers 0x0000 to
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| 168 | 0x001B. They have different names though. The first 4 letters of the cipher
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| 169 | suite name are the protocol name: "SSL_" or "TLS_", rest of the IANA name is
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| 170 | the same for both SSL and TLS cipher suite name.
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| 171 | The second part of the problem is that macOS/iOS SDKs don't define all TLS
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| 172 | codes but only 12 of them. The SDK defines all SSL codes though, i.e. SSL_NUM
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| 173 | constant is always defined for those 28 ciphers while TLS_NUM is defined only
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| 174 | for 12 of the first 28 ciphers. Those 12 TLS cipher codes match to
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| 175 | corresponding SSL enum value and represent the same cipher suite. Therefore
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| 176 | we'll use the SSL enum value for those cipher suites because it is defined
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| 177 | for all 28 of them.
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| 178 | We make internal data consistent and based on TLS names, i.e. all st_cipher
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| 179 | item names start with the "TLS_" prefix.
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| 180 | Summarizing all the above, those 28 first ciphers are presented in our table
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| 181 | with both TLS and SSL names. Their cipher numbers are assigned based on the
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| 182 | SDK enum value for the SSL cipher, which matches to IANA TLS number.
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| 183 | */
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| 184 | #define CIPHER_DEF_SSLTLS(num_wo_prefix, alias, weak) \
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| 185 | { "TLS_" #num_wo_prefix, alias, SSL_##num_wo_prefix, weak }
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| 186 |
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| 187 | /*
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| 188 | Cipher suites were marked as weak based on the following:
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| 189 | RC4 encryption - rfc7465, the document contains a list of deprecated ciphers.
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| 190 | Marked in the code below as weak.
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| 191 | RC2 encryption - many mentions, was found vulnerable to a relatively easy
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| 192 | attack https://link.springer.com/chapter/10.1007%2F3-540-69710-1_14
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| 193 | Marked in the code below as weak.
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| 194 | DES and IDEA encryption - rfc5469, has a list of deprecated ciphers.
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| 195 | Marked in the code below as weak.
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| 196 | Anonymous Diffie-Hellman authentication and anonymous elliptic curve
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| 197 | Diffie-Hellman - vulnerable to a man-in-the-middle attack. Deprecated by
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| 198 | RFC 4346 aka TLS 1.1 (section A.5, page 60)
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| 199 | Null bulk encryption suites - not encrypted communication
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| 200 | Export ciphers, i.e. ciphers with restrictions to be used outside the US for
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| 201 | software exported to some countries, they were excluded from TLS 1.1
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| 202 | version. More precisely, they were noted as ciphers which MUST NOT be
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| 203 | negotiated in RFC 4346 aka TLS 1.1 (section A.5, pages 60 and 61).
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| 204 | All of those filters were considered weak because they contain a weak
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| 205 | algorithm like DES, RC2 or RC4, and already considered weak by other
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| 206 | criteria.
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| 207 | 3DES - NIST deprecated it and is going to retire it by 2023
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| 208 | https://csrc.nist.gov/News/2017/Update-to-Current-Use-and-Deprecation-of-TDEA
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| 209 | OpenSSL https://www.openssl.org/blog/blog/2016/08/24/sweet32/ also
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| 210 | deprecated those ciphers. Some other libraries also consider it
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| 211 | vulnerable or at least not strong enough.
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| 212 |
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| 213 | CBC ciphers are vulnerable with SSL3.0 and TLS1.0:
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| 214 | https://www.cisco.com/c/en/us/support/docs/security/email-security-appliance
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| 215 | /118518-technote-esa-00.html
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| 216 | We don't take care of this issue because it is resolved by later TLS
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| 217 | versions and for us, it requires more complicated checks, we need to
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| 218 | check a protocol version also. Vulnerability doesn't look very critical
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| 219 | and we do not filter out those cipher suites.
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| 220 | */
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| 221 |
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| 222 | #define CIPHER_WEAK_NOT_ENCRYPTED TRUE
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| 223 | #define CIPHER_WEAK_RC_ENCRYPTION TRUE
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| 224 | #define CIPHER_WEAK_DES_ENCRYPTION TRUE
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| 225 | #define CIPHER_WEAK_IDEA_ENCRYPTION TRUE
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| 226 | #define CIPHER_WEAK_ANON_AUTH TRUE
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| 227 | #define CIPHER_WEAK_3DES_ENCRYPTION TRUE
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| 228 | #define CIPHER_STRONG_ENOUGH FALSE
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| 229 |
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| 230 | /* Please do not change the order of the first ciphers available for SSL.
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| 231 | Do not insert and do not delete any of them. Code below
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| 232 | depends on their order and continuity.
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| 233 | If you add a new cipher, please maintain order by number, i.e.
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| 234 | insert in between existing items to appropriate place based on
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| 235 | cipher suite IANA number
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| 236 | */
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| 237 | const static struct st_cipher ciphertable[] = {
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| 238 | /* SSL version 3.0 and initial TLS 1.0 cipher suites.
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| 239 | Defined since SDK 10.2.8 */
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| 240 | CIPHER_DEF_SSLTLS(NULL_WITH_NULL_NULL, /* 0x0000 */
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| 241 | NULL,
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| 242 | CIPHER_WEAK_NOT_ENCRYPTED),
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| 243 | CIPHER_DEF_SSLTLS(RSA_WITH_NULL_MD5, /* 0x0001 */
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| 244 | "NULL-MD5",
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| 245 | CIPHER_WEAK_NOT_ENCRYPTED),
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| 246 | CIPHER_DEF_SSLTLS(RSA_WITH_NULL_SHA, /* 0x0002 */
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| 247 | "NULL-SHA",
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| 248 | CIPHER_WEAK_NOT_ENCRYPTED),
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| 249 | CIPHER_DEF_SSLTLS(RSA_EXPORT_WITH_RC4_40_MD5, /* 0x0003 */
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| 250 | "EXP-RC4-MD5",
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| 251 | CIPHER_WEAK_RC_ENCRYPTION),
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| 252 | CIPHER_DEF_SSLTLS(RSA_WITH_RC4_128_MD5, /* 0x0004 */
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| 253 | "RC4-MD5",
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| 254 | CIPHER_WEAK_RC_ENCRYPTION),
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| 255 | CIPHER_DEF_SSLTLS(RSA_WITH_RC4_128_SHA, /* 0x0005 */
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| 256 | "RC4-SHA",
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| 257 | CIPHER_WEAK_RC_ENCRYPTION),
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| 258 | CIPHER_DEF_SSLTLS(RSA_EXPORT_WITH_RC2_CBC_40_MD5, /* 0x0006 */
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| 259 | "EXP-RC2-CBC-MD5",
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| 260 | CIPHER_WEAK_RC_ENCRYPTION),
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| 261 | CIPHER_DEF_SSLTLS(RSA_WITH_IDEA_CBC_SHA, /* 0x0007 */
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| 262 | "IDEA-CBC-SHA",
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| 263 | CIPHER_WEAK_IDEA_ENCRYPTION),
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| 264 | CIPHER_DEF_SSLTLS(RSA_EXPORT_WITH_DES40_CBC_SHA, /* 0x0008 */
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| 265 | "EXP-DES-CBC-SHA",
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| 266 | CIPHER_WEAK_DES_ENCRYPTION),
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| 267 | CIPHER_DEF_SSLTLS(RSA_WITH_DES_CBC_SHA, /* 0x0009 */
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| 268 | "DES-CBC-SHA",
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| 269 | CIPHER_WEAK_DES_ENCRYPTION),
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| 270 | CIPHER_DEF_SSLTLS(RSA_WITH_3DES_EDE_CBC_SHA, /* 0x000A */
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| 271 | "DES-CBC3-SHA",
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| 272 | CIPHER_WEAK_3DES_ENCRYPTION),
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| 273 | CIPHER_DEF_SSLTLS(DH_DSS_EXPORT_WITH_DES40_CBC_SHA, /* 0x000B */
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| 274 | "EXP-DH-DSS-DES-CBC-SHA",
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| 275 | CIPHER_WEAK_DES_ENCRYPTION),
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| 276 | CIPHER_DEF_SSLTLS(DH_DSS_WITH_DES_CBC_SHA, /* 0x000C */
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| 277 | "DH-DSS-DES-CBC-SHA",
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| 278 | CIPHER_WEAK_DES_ENCRYPTION),
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| 279 | CIPHER_DEF_SSLTLS(DH_DSS_WITH_3DES_EDE_CBC_SHA, /* 0x000D */
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| 280 | "DH-DSS-DES-CBC3-SHA",
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| 281 | CIPHER_WEAK_3DES_ENCRYPTION),
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| 282 | CIPHER_DEF_SSLTLS(DH_RSA_EXPORT_WITH_DES40_CBC_SHA, /* 0x000E */
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| 283 | "EXP-DH-RSA-DES-CBC-SHA",
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| 284 | CIPHER_WEAK_DES_ENCRYPTION),
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| 285 | CIPHER_DEF_SSLTLS(DH_RSA_WITH_DES_CBC_SHA, /* 0x000F */
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| 286 | "DH-RSA-DES-CBC-SHA",
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| 287 | CIPHER_WEAK_DES_ENCRYPTION),
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| 288 | CIPHER_DEF_SSLTLS(DH_RSA_WITH_3DES_EDE_CBC_SHA, /* 0x0010 */
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| 289 | "DH-RSA-DES-CBC3-SHA",
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| 290 | CIPHER_WEAK_3DES_ENCRYPTION),
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| 291 | CIPHER_DEF_SSLTLS(DHE_DSS_EXPORT_WITH_DES40_CBC_SHA, /* 0x0011 */
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| 292 | "EXP-EDH-DSS-DES-CBC-SHA",
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| 293 | CIPHER_WEAK_DES_ENCRYPTION),
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| 294 | CIPHER_DEF_SSLTLS(DHE_DSS_WITH_DES_CBC_SHA, /* 0x0012 */
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| 295 | "EDH-DSS-CBC-SHA",
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| 296 | CIPHER_WEAK_DES_ENCRYPTION),
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| 297 | CIPHER_DEF_SSLTLS(DHE_DSS_WITH_3DES_EDE_CBC_SHA, /* 0x0013 */
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| 298 | "DHE-DSS-DES-CBC3-SHA",
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| 299 | CIPHER_WEAK_3DES_ENCRYPTION),
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| 300 | CIPHER_DEF_SSLTLS(DHE_RSA_EXPORT_WITH_DES40_CBC_SHA, /* 0x0014 */
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| 301 | "EXP-EDH-RSA-DES-CBC-SHA",
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| 302 | CIPHER_WEAK_DES_ENCRYPTION),
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| 303 | CIPHER_DEF_SSLTLS(DHE_RSA_WITH_DES_CBC_SHA, /* 0x0015 */
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| 304 | "EDH-RSA-DES-CBC-SHA",
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| 305 | CIPHER_WEAK_DES_ENCRYPTION),
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| 306 | CIPHER_DEF_SSLTLS(DHE_RSA_WITH_3DES_EDE_CBC_SHA, /* 0x0016 */
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| 307 | "DHE-RSA-DES-CBC3-SHA",
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| 308 | CIPHER_WEAK_3DES_ENCRYPTION),
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| 309 | CIPHER_DEF_SSLTLS(DH_anon_EXPORT_WITH_RC4_40_MD5, /* 0x0017 */
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| 310 | "EXP-ADH-RC4-MD5",
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| 311 | CIPHER_WEAK_ANON_AUTH),
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| 312 | CIPHER_DEF_SSLTLS(DH_anon_WITH_RC4_128_MD5, /* 0x0018 */
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| 313 | "ADH-RC4-MD5",
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| 314 | CIPHER_WEAK_ANON_AUTH),
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| 315 | CIPHER_DEF_SSLTLS(DH_anon_EXPORT_WITH_DES40_CBC_SHA, /* 0x0019 */
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| 316 | "EXP-ADH-DES-CBC-SHA",
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| 317 | CIPHER_WEAK_ANON_AUTH),
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| 318 | CIPHER_DEF_SSLTLS(DH_anon_WITH_DES_CBC_SHA, /* 0x001A */
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| 319 | "ADH-DES-CBC-SHA",
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| 320 | CIPHER_WEAK_ANON_AUTH),
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| 321 | CIPHER_DEF_SSLTLS(DH_anon_WITH_3DES_EDE_CBC_SHA, /* 0x001B */
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| 322 | "ADH-DES-CBC3-SHA",
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|---|
| 323 | CIPHER_WEAK_3DES_ENCRYPTION),
|
|---|
| 324 | CIPHER_DEF(SSL_FORTEZZA_DMS_WITH_NULL_SHA, /* 0x001C */
|
|---|
| 325 | NULL,
|
|---|
| 326 | CIPHER_WEAK_NOT_ENCRYPTED),
|
|---|
| 327 | CIPHER_DEF(SSL_FORTEZZA_DMS_WITH_FORTEZZA_CBC_SHA, /* 0x001D */
|
|---|
| 328 | NULL,
|
|---|
| 329 | CIPHER_STRONG_ENOUGH),
|
|---|
| 330 |
|
|---|
| 331 | #if CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7
|
|---|
| 332 | /* RFC 4785 - Pre-Shared Key (PSK) Ciphersuites with NULL Encryption */
|
|---|
| 333 | CIPHER_DEF(TLS_PSK_WITH_NULL_SHA, /* 0x002C */
|
|---|
| 334 | "PSK-NULL-SHA",
|
|---|
| 335 | CIPHER_WEAK_NOT_ENCRYPTED),
|
|---|
| 336 | CIPHER_DEF(TLS_DHE_PSK_WITH_NULL_SHA, /* 0x002D */
|
|---|
| 337 | "DHE-PSK-NULL-SHA",
|
|---|
| 338 | CIPHER_WEAK_NOT_ENCRYPTED),
|
|---|
| 339 | CIPHER_DEF(TLS_RSA_PSK_WITH_NULL_SHA, /* 0x002E */
|
|---|
| 340 | "RSA-PSK-NULL-SHA",
|
|---|
| 341 | CIPHER_WEAK_NOT_ENCRYPTED),
|
|---|
| 342 | #endif /* CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7 */
|
|---|
| 343 |
|
|---|
| 344 | /* TLS addenda using AES, per RFC 3268. Defined since SDK 10.4u */
|
|---|
| 345 | CIPHER_DEF(TLS_RSA_WITH_AES_128_CBC_SHA, /* 0x002F */
|
|---|
| 346 | "AES128-SHA",
|
|---|
| 347 | CIPHER_STRONG_ENOUGH),
|
|---|
| 348 | CIPHER_DEF(TLS_DH_DSS_WITH_AES_128_CBC_SHA, /* 0x0030 */
|
|---|
| 349 | "DH-DSS-AES128-SHA",
|
|---|
| 350 | CIPHER_STRONG_ENOUGH),
|
|---|
| 351 | CIPHER_DEF(TLS_DH_RSA_WITH_AES_128_CBC_SHA, /* 0x0031 */
|
|---|
| 352 | "DH-RSA-AES128-SHA",
|
|---|
| 353 | CIPHER_STRONG_ENOUGH),
|
|---|
| 354 | CIPHER_DEF(TLS_DHE_DSS_WITH_AES_128_CBC_SHA, /* 0x0032 */
|
|---|
| 355 | "DHE-DSS-AES128-SHA",
|
|---|
| 356 | CIPHER_STRONG_ENOUGH),
|
|---|
| 357 | CIPHER_DEF(TLS_DHE_RSA_WITH_AES_128_CBC_SHA, /* 0x0033 */
|
|---|
| 358 | "DHE-RSA-AES128-SHA",
|
|---|
| 359 | CIPHER_STRONG_ENOUGH),
|
|---|
| 360 | CIPHER_DEF(TLS_DH_anon_WITH_AES_128_CBC_SHA, /* 0x0034 */
|
|---|
| 361 | "ADH-AES128-SHA",
|
|---|
| 362 | CIPHER_WEAK_ANON_AUTH),
|
|---|
| 363 | CIPHER_DEF(TLS_RSA_WITH_AES_256_CBC_SHA, /* 0x0035 */
|
|---|
| 364 | "AES256-SHA",
|
|---|
| 365 | CIPHER_STRONG_ENOUGH),
|
|---|
| 366 | CIPHER_DEF(TLS_DH_DSS_WITH_AES_256_CBC_SHA, /* 0x0036 */
|
|---|
| 367 | "DH-DSS-AES256-SHA",
|
|---|
| 368 | CIPHER_STRONG_ENOUGH),
|
|---|
| 369 | CIPHER_DEF(TLS_DH_RSA_WITH_AES_256_CBC_SHA, /* 0x0037 */
|
|---|
| 370 | "DH-RSA-AES256-SHA",
|
|---|
| 371 | CIPHER_STRONG_ENOUGH),
|
|---|
| 372 | CIPHER_DEF(TLS_DHE_DSS_WITH_AES_256_CBC_SHA, /* 0x0038 */
|
|---|
| 373 | "DHE-DSS-AES256-SHA",
|
|---|
| 374 | CIPHER_STRONG_ENOUGH),
|
|---|
| 375 | CIPHER_DEF(TLS_DHE_RSA_WITH_AES_256_CBC_SHA, /* 0x0039 */
|
|---|
| 376 | "DHE-RSA-AES256-SHA",
|
|---|
| 377 | CIPHER_STRONG_ENOUGH),
|
|---|
| 378 | CIPHER_DEF(TLS_DH_anon_WITH_AES_256_CBC_SHA, /* 0x003A */
|
|---|
| 379 | "ADH-AES256-SHA",
|
|---|
| 380 | CIPHER_WEAK_ANON_AUTH),
|
|---|
| 381 |
|
|---|
| 382 | #if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
|
|---|
| 383 | /* TLS 1.2 addenda, RFC 5246 */
|
|---|
| 384 | /* Server provided RSA certificate for key exchange. */
|
|---|
| 385 | CIPHER_DEF(TLS_RSA_WITH_NULL_SHA256, /* 0x003B */
|
|---|
| 386 | "NULL-SHA256",
|
|---|
| 387 | CIPHER_WEAK_NOT_ENCRYPTED),
|
|---|
| 388 | CIPHER_DEF(TLS_RSA_WITH_AES_128_CBC_SHA256, /* 0x003C */
|
|---|
| 389 | "AES128-SHA256",
|
|---|
| 390 | CIPHER_STRONG_ENOUGH),
|
|---|
| 391 | CIPHER_DEF(TLS_RSA_WITH_AES_256_CBC_SHA256, /* 0x003D */
|
|---|
| 392 | "AES256-SHA256",
|
|---|
| 393 | CIPHER_STRONG_ENOUGH),
|
|---|
| 394 | /* Server-authenticated (and optionally client-authenticated)
|
|---|
| 395 | Diffie-Hellman. */
|
|---|
| 396 | CIPHER_DEF(TLS_DH_DSS_WITH_AES_128_CBC_SHA256, /* 0x003E */
|
|---|
| 397 | "DH-DSS-AES128-SHA256",
|
|---|
| 398 | CIPHER_STRONG_ENOUGH),
|
|---|
| 399 | CIPHER_DEF(TLS_DH_RSA_WITH_AES_128_CBC_SHA256, /* 0x003F */
|
|---|
| 400 | "DH-RSA-AES128-SHA256",
|
|---|
| 401 | CIPHER_STRONG_ENOUGH),
|
|---|
| 402 | CIPHER_DEF(TLS_DHE_DSS_WITH_AES_128_CBC_SHA256, /* 0x0040 */
|
|---|
| 403 | "DHE-DSS-AES128-SHA256",
|
|---|
| 404 | CIPHER_STRONG_ENOUGH),
|
|---|
| 405 |
|
|---|
| 406 | /* TLS 1.2 addenda, RFC 5246 */
|
|---|
| 407 | CIPHER_DEF(TLS_DHE_RSA_WITH_AES_128_CBC_SHA256, /* 0x0067 */
|
|---|
| 408 | "DHE-RSA-AES128-SHA256",
|
|---|
| 409 | CIPHER_STRONG_ENOUGH),
|
|---|
| 410 | CIPHER_DEF(TLS_DH_DSS_WITH_AES_256_CBC_SHA256, /* 0x0068 */
|
|---|
| 411 | "DH-DSS-AES256-SHA256",
|
|---|
| 412 | CIPHER_STRONG_ENOUGH),
|
|---|
| 413 | CIPHER_DEF(TLS_DH_RSA_WITH_AES_256_CBC_SHA256, /* 0x0069 */
|
|---|
| 414 | "DH-RSA-AES256-SHA256",
|
|---|
| 415 | CIPHER_STRONG_ENOUGH),
|
|---|
| 416 | CIPHER_DEF(TLS_DHE_DSS_WITH_AES_256_CBC_SHA256, /* 0x006A */
|
|---|
| 417 | "DHE-DSS-AES256-SHA256",
|
|---|
| 418 | CIPHER_STRONG_ENOUGH),
|
|---|
| 419 | CIPHER_DEF(TLS_DHE_RSA_WITH_AES_256_CBC_SHA256, /* 0x006B */
|
|---|
| 420 | "DHE-RSA-AES256-SHA256",
|
|---|
| 421 | CIPHER_STRONG_ENOUGH),
|
|---|
| 422 | CIPHER_DEF(TLS_DH_anon_WITH_AES_128_CBC_SHA256, /* 0x006C */
|
|---|
| 423 | "ADH-AES128-SHA256",
|
|---|
| 424 | CIPHER_WEAK_ANON_AUTH),
|
|---|
| 425 | CIPHER_DEF(TLS_DH_anon_WITH_AES_256_CBC_SHA256, /* 0x006D */
|
|---|
| 426 | "ADH-AES256-SHA256",
|
|---|
| 427 | CIPHER_WEAK_ANON_AUTH),
|
|---|
| 428 | #endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
|
|---|
| 429 |
|
|---|
| 430 | #if CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7
|
|---|
| 431 | /* Addendum from RFC 4279, TLS PSK */
|
|---|
| 432 | CIPHER_DEF(TLS_PSK_WITH_RC4_128_SHA, /* 0x008A */
|
|---|
| 433 | "PSK-RC4-SHA",
|
|---|
| 434 | CIPHER_WEAK_RC_ENCRYPTION),
|
|---|
| 435 | CIPHER_DEF(TLS_PSK_WITH_3DES_EDE_CBC_SHA, /* 0x008B */
|
|---|
| 436 | "PSK-3DES-EDE-CBC-SHA",
|
|---|
| 437 | CIPHER_WEAK_3DES_ENCRYPTION),
|
|---|
| 438 | CIPHER_DEF(TLS_PSK_WITH_AES_128_CBC_SHA, /* 0x008C */
|
|---|
| 439 | "PSK-AES128-CBC-SHA",
|
|---|
| 440 | CIPHER_STRONG_ENOUGH),
|
|---|
| 441 | CIPHER_DEF(TLS_PSK_WITH_AES_256_CBC_SHA, /* 0x008D */
|
|---|
| 442 | "PSK-AES256-CBC-SHA",
|
|---|
| 443 | CIPHER_STRONG_ENOUGH),
|
|---|
| 444 | CIPHER_DEF(TLS_DHE_PSK_WITH_RC4_128_SHA, /* 0x008E */
|
|---|
| 445 | "DHE-PSK-RC4-SHA",
|
|---|
| 446 | CIPHER_WEAK_RC_ENCRYPTION),
|
|---|
| 447 | CIPHER_DEF(TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA, /* 0x008F */
|
|---|
| 448 | "DHE-PSK-3DES-EDE-CBC-SHA",
|
|---|
| 449 | CIPHER_WEAK_3DES_ENCRYPTION),
|
|---|
| 450 | CIPHER_DEF(TLS_DHE_PSK_WITH_AES_128_CBC_SHA, /* 0x0090 */
|
|---|
| 451 | "DHE-PSK-AES128-CBC-SHA",
|
|---|
| 452 | CIPHER_STRONG_ENOUGH),
|
|---|
| 453 | CIPHER_DEF(TLS_DHE_PSK_WITH_AES_256_CBC_SHA, /* 0x0091 */
|
|---|
| 454 | "DHE-PSK-AES256-CBC-SHA",
|
|---|
| 455 | CIPHER_STRONG_ENOUGH),
|
|---|
| 456 | CIPHER_DEF(TLS_RSA_PSK_WITH_RC4_128_SHA, /* 0x0092 */
|
|---|
| 457 | "RSA-PSK-RC4-SHA",
|
|---|
| 458 | CIPHER_WEAK_RC_ENCRYPTION),
|
|---|
| 459 | CIPHER_DEF(TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA, /* 0x0093 */
|
|---|
| 460 | "RSA-PSK-3DES-EDE-CBC-SHA",
|
|---|
| 461 | CIPHER_WEAK_3DES_ENCRYPTION),
|
|---|
| 462 | CIPHER_DEF(TLS_RSA_PSK_WITH_AES_128_CBC_SHA, /* 0x0094 */
|
|---|
| 463 | "RSA-PSK-AES128-CBC-SHA",
|
|---|
| 464 | CIPHER_STRONG_ENOUGH),
|
|---|
| 465 | CIPHER_DEF(TLS_RSA_PSK_WITH_AES_256_CBC_SHA, /* 0x0095 */
|
|---|
| 466 | "RSA-PSK-AES256-CBC-SHA",
|
|---|
| 467 | CIPHER_STRONG_ENOUGH),
|
|---|
| 468 | #endif /* CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7 */
|
|---|
| 469 |
|
|---|
| 470 | #if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
|
|---|
| 471 | /* Addenda from rfc 5288 AES Galois Counter Mode (GCM) Cipher Suites
|
|---|
| 472 | for TLS. */
|
|---|
| 473 | CIPHER_DEF(TLS_RSA_WITH_AES_128_GCM_SHA256, /* 0x009C */
|
|---|
| 474 | "AES128-GCM-SHA256",
|
|---|
| 475 | CIPHER_STRONG_ENOUGH),
|
|---|
| 476 | CIPHER_DEF(TLS_RSA_WITH_AES_256_GCM_SHA384, /* 0x009D */
|
|---|
| 477 | "AES256-GCM-SHA384",
|
|---|
| 478 | CIPHER_STRONG_ENOUGH),
|
|---|
| 479 | CIPHER_DEF(TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, /* 0x009E */
|
|---|
| 480 | "DHE-RSA-AES128-GCM-SHA256",
|
|---|
| 481 | CIPHER_STRONG_ENOUGH),
|
|---|
| 482 | CIPHER_DEF(TLS_DHE_RSA_WITH_AES_256_GCM_SHA384, /* 0x009F */
|
|---|
| 483 | "DHE-RSA-AES256-GCM-SHA384",
|
|---|
| 484 | CIPHER_STRONG_ENOUGH),
|
|---|
| 485 | CIPHER_DEF(TLS_DH_RSA_WITH_AES_128_GCM_SHA256, /* 0x00A0 */
|
|---|
| 486 | "DH-RSA-AES128-GCM-SHA256",
|
|---|
| 487 | CIPHER_STRONG_ENOUGH),
|
|---|
| 488 | CIPHER_DEF(TLS_DH_RSA_WITH_AES_256_GCM_SHA384, /* 0x00A1 */
|
|---|
| 489 | "DH-RSA-AES256-GCM-SHA384",
|
|---|
| 490 | CIPHER_STRONG_ENOUGH),
|
|---|
| 491 | CIPHER_DEF(TLS_DHE_DSS_WITH_AES_128_GCM_SHA256, /* 0x00A2 */
|
|---|
| 492 | "DHE-DSS-AES128-GCM-SHA256",
|
|---|
| 493 | CIPHER_STRONG_ENOUGH),
|
|---|
| 494 | CIPHER_DEF(TLS_DHE_DSS_WITH_AES_256_GCM_SHA384, /* 0x00A3 */
|
|---|
| 495 | "DHE-DSS-AES256-GCM-SHA384",
|
|---|
| 496 | CIPHER_STRONG_ENOUGH),
|
|---|
| 497 | CIPHER_DEF(TLS_DH_DSS_WITH_AES_128_GCM_SHA256, /* 0x00A4 */
|
|---|
| 498 | "DH-DSS-AES128-GCM-SHA256",
|
|---|
| 499 | CIPHER_STRONG_ENOUGH),
|
|---|
| 500 | CIPHER_DEF(TLS_DH_DSS_WITH_AES_256_GCM_SHA384, /* 0x00A5 */
|
|---|
| 501 | "DH-DSS-AES256-GCM-SHA384",
|
|---|
| 502 | CIPHER_STRONG_ENOUGH),
|
|---|
| 503 | CIPHER_DEF(TLS_DH_anon_WITH_AES_128_GCM_SHA256, /* 0x00A6 */
|
|---|
| 504 | "ADH-AES128-GCM-SHA256",
|
|---|
| 505 | CIPHER_WEAK_ANON_AUTH),
|
|---|
| 506 | CIPHER_DEF(TLS_DH_anon_WITH_AES_256_GCM_SHA384, /* 0x00A7 */
|
|---|
| 507 | "ADH-AES256-GCM-SHA384",
|
|---|
| 508 | CIPHER_WEAK_ANON_AUTH),
|
|---|
| 509 | #endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
|
|---|
| 510 |
|
|---|
| 511 | #if CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7
|
|---|
| 512 | /* RFC 5487 - PSK with SHA-256/384 and AES GCM */
|
|---|
| 513 | CIPHER_DEF(TLS_PSK_WITH_AES_128_GCM_SHA256, /* 0x00A8 */
|
|---|
| 514 | "PSK-AES128-GCM-SHA256",
|
|---|
| 515 | CIPHER_STRONG_ENOUGH),
|
|---|
| 516 | CIPHER_DEF(TLS_PSK_WITH_AES_256_GCM_SHA384, /* 0x00A9 */
|
|---|
| 517 | "PSK-AES256-GCM-SHA384",
|
|---|
| 518 | CIPHER_STRONG_ENOUGH),
|
|---|
| 519 | CIPHER_DEF(TLS_DHE_PSK_WITH_AES_128_GCM_SHA256, /* 0x00AA */
|
|---|
| 520 | "DHE-PSK-AES128-GCM-SHA256",
|
|---|
| 521 | CIPHER_STRONG_ENOUGH),
|
|---|
| 522 | CIPHER_DEF(TLS_DHE_PSK_WITH_AES_256_GCM_SHA384, /* 0x00AB */
|
|---|
| 523 | "DHE-PSK-AES256-GCM-SHA384",
|
|---|
| 524 | CIPHER_STRONG_ENOUGH),
|
|---|
| 525 | CIPHER_DEF(TLS_RSA_PSK_WITH_AES_128_GCM_SHA256, /* 0x00AC */
|
|---|
| 526 | "RSA-PSK-AES128-GCM-SHA256",
|
|---|
| 527 | CIPHER_STRONG_ENOUGH),
|
|---|
| 528 | CIPHER_DEF(TLS_RSA_PSK_WITH_AES_256_GCM_SHA384, /* 0x00AD */
|
|---|
| 529 | "RSA-PSK-AES256-GCM-SHA384",
|
|---|
| 530 | CIPHER_STRONG_ENOUGH),
|
|---|
| 531 | CIPHER_DEF(TLS_PSK_WITH_AES_128_CBC_SHA256, /* 0x00AE */
|
|---|
| 532 | "PSK-AES128-CBC-SHA256",
|
|---|
| 533 | CIPHER_STRONG_ENOUGH),
|
|---|
| 534 | CIPHER_DEF(TLS_PSK_WITH_AES_256_CBC_SHA384, /* 0x00AF */
|
|---|
| 535 | "PSK-AES256-CBC-SHA384",
|
|---|
| 536 | CIPHER_STRONG_ENOUGH),
|
|---|
| 537 | CIPHER_DEF(TLS_PSK_WITH_NULL_SHA256, /* 0x00B0 */
|
|---|
| 538 | "PSK-NULL-SHA256",
|
|---|
| 539 | CIPHER_WEAK_NOT_ENCRYPTED),
|
|---|
| 540 | CIPHER_DEF(TLS_PSK_WITH_NULL_SHA384, /* 0x00B1 */
|
|---|
| 541 | "PSK-NULL-SHA384",
|
|---|
| 542 | CIPHER_WEAK_NOT_ENCRYPTED),
|
|---|
| 543 | CIPHER_DEF(TLS_DHE_PSK_WITH_AES_128_CBC_SHA256, /* 0x00B2 */
|
|---|
| 544 | "DHE-PSK-AES128-CBC-SHA256",
|
|---|
| 545 | CIPHER_STRONG_ENOUGH),
|
|---|
| 546 | CIPHER_DEF(TLS_DHE_PSK_WITH_AES_256_CBC_SHA384, /* 0x00B3 */
|
|---|
| 547 | "DHE-PSK-AES256-CBC-SHA384",
|
|---|
| 548 | CIPHER_STRONG_ENOUGH),
|
|---|
| 549 | CIPHER_DEF(TLS_DHE_PSK_WITH_NULL_SHA256, /* 0x00B4 */
|
|---|
| 550 | "DHE-PSK-NULL-SHA256",
|
|---|
| 551 | CIPHER_WEAK_NOT_ENCRYPTED),
|
|---|
| 552 | CIPHER_DEF(TLS_DHE_PSK_WITH_NULL_SHA384, /* 0x00B5 */
|
|---|
| 553 | "DHE-PSK-NULL-SHA384",
|
|---|
| 554 | CIPHER_WEAK_NOT_ENCRYPTED),
|
|---|
| 555 | CIPHER_DEF(TLS_RSA_PSK_WITH_AES_128_CBC_SHA256, /* 0x00B6 */
|
|---|
| 556 | "RSA-PSK-AES128-CBC-SHA256",
|
|---|
| 557 | CIPHER_STRONG_ENOUGH),
|
|---|
| 558 | CIPHER_DEF(TLS_RSA_PSK_WITH_AES_256_CBC_SHA384, /* 0x00B7 */
|
|---|
| 559 | "RSA-PSK-AES256-CBC-SHA384",
|
|---|
| 560 | CIPHER_STRONG_ENOUGH),
|
|---|
| 561 | CIPHER_DEF(TLS_RSA_PSK_WITH_NULL_SHA256, /* 0x00B8 */
|
|---|
| 562 | "RSA-PSK-NULL-SHA256",
|
|---|
| 563 | CIPHER_WEAK_NOT_ENCRYPTED),
|
|---|
| 564 | CIPHER_DEF(TLS_RSA_PSK_WITH_NULL_SHA384, /* 0x00B9 */
|
|---|
| 565 | "RSA-PSK-NULL-SHA384",
|
|---|
| 566 | CIPHER_WEAK_NOT_ENCRYPTED),
|
|---|
| 567 | #endif /* CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7 */
|
|---|
| 568 |
|
|---|
| 569 | /* RFC 5746 - Secure Renegotiation. This is not a real suite,
|
|---|
| 570 | it is a response to initiate negotiation again */
|
|---|
| 571 | CIPHER_DEF(TLS_EMPTY_RENEGOTIATION_INFO_SCSV, /* 0x00FF */
|
|---|
| 572 | NULL,
|
|---|
| 573 | CIPHER_STRONG_ENOUGH),
|
|---|
| 574 |
|
|---|
| 575 | #if CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11
|
|---|
| 576 | /* TLS 1.3 standard cipher suites for ChaCha20+Poly1305.
|
|---|
| 577 | Note: TLS 1.3 ciphersuites do not specify the key exchange
|
|---|
| 578 | algorithm -- they only specify the symmetric ciphers.
|
|---|
| 579 | Cipher alias name matches to OpenSSL cipher name, and for
|
|---|
| 580 | TLS 1.3 ciphers */
|
|---|
| 581 | CIPHER_DEF(TLS_AES_128_GCM_SHA256, /* 0x1301 */
|
|---|
| 582 | NULL, /* The OpenSSL cipher name matches to the IANA name */
|
|---|
| 583 | CIPHER_STRONG_ENOUGH),
|
|---|
| 584 | CIPHER_DEF(TLS_AES_256_GCM_SHA384, /* 0x1302 */
|
|---|
| 585 | NULL, /* The OpenSSL cipher name matches to the IANA name */
|
|---|
| 586 | CIPHER_STRONG_ENOUGH),
|
|---|
| 587 | CIPHER_DEF(TLS_CHACHA20_POLY1305_SHA256, /* 0x1303 */
|
|---|
| 588 | NULL, /* The OpenSSL cipher name matches to the IANA name */
|
|---|
| 589 | CIPHER_STRONG_ENOUGH),
|
|---|
| 590 | CIPHER_DEF(TLS_AES_128_CCM_SHA256, /* 0x1304 */
|
|---|
| 591 | NULL, /* The OpenSSL cipher name matches to the IANA name */
|
|---|
| 592 | CIPHER_STRONG_ENOUGH),
|
|---|
| 593 | CIPHER_DEF(TLS_AES_128_CCM_8_SHA256, /* 0x1305 */
|
|---|
| 594 | NULL, /* The OpenSSL cipher name matches to the IANA name */
|
|---|
| 595 | CIPHER_STRONG_ENOUGH),
|
|---|
| 596 | #endif /* CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11 */
|
|---|
| 597 |
|
|---|
| 598 | #if CURL_BUILD_MAC_10_6 || CURL_BUILD_IOS
|
|---|
| 599 | /* ECDSA addenda, RFC 4492 */
|
|---|
| 600 | CIPHER_DEF(TLS_ECDH_ECDSA_WITH_NULL_SHA, /* 0xC001 */
|
|---|
| 601 | "ECDH-ECDSA-NULL-SHA",
|
|---|
| 602 | CIPHER_WEAK_NOT_ENCRYPTED),
|
|---|
| 603 | CIPHER_DEF(TLS_ECDH_ECDSA_WITH_RC4_128_SHA, /* 0xC002 */
|
|---|
| 604 | "ECDH-ECDSA-RC4-SHA",
|
|---|
| 605 | CIPHER_WEAK_RC_ENCRYPTION),
|
|---|
| 606 | CIPHER_DEF(TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA, /* 0xC003 */
|
|---|
| 607 | "ECDH-ECDSA-DES-CBC3-SHA",
|
|---|
| 608 | CIPHER_WEAK_3DES_ENCRYPTION),
|
|---|
| 609 | CIPHER_DEF(TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA, /* 0xC004 */
|
|---|
| 610 | "ECDH-ECDSA-AES128-SHA",
|
|---|
| 611 | CIPHER_STRONG_ENOUGH),
|
|---|
| 612 | CIPHER_DEF(TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA, /* 0xC005 */
|
|---|
| 613 | "ECDH-ECDSA-AES256-SHA",
|
|---|
| 614 | CIPHER_STRONG_ENOUGH),
|
|---|
| 615 | CIPHER_DEF(TLS_ECDHE_ECDSA_WITH_NULL_SHA, /* 0xC006 */
|
|---|
| 616 | "ECDHE-ECDSA-NULL-SHA",
|
|---|
| 617 | CIPHER_WEAK_NOT_ENCRYPTED),
|
|---|
| 618 | CIPHER_DEF(TLS_ECDHE_ECDSA_WITH_RC4_128_SHA, /* 0xC007 */
|
|---|
| 619 | "ECDHE-ECDSA-RC4-SHA",
|
|---|
| 620 | CIPHER_WEAK_RC_ENCRYPTION),
|
|---|
| 621 | CIPHER_DEF(TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA, /* 0xC008 */
|
|---|
| 622 | "ECDHE-ECDSA-DES-CBC3-SHA",
|
|---|
| 623 | CIPHER_WEAK_3DES_ENCRYPTION),
|
|---|
| 624 | CIPHER_DEF(TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, /* 0xC009 */
|
|---|
| 625 | "ECDHE-ECDSA-AES128-SHA",
|
|---|
| 626 | CIPHER_STRONG_ENOUGH),
|
|---|
| 627 | CIPHER_DEF(TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, /* 0xC00A */
|
|---|
| 628 | "ECDHE-ECDSA-AES256-SHA",
|
|---|
| 629 | CIPHER_STRONG_ENOUGH),
|
|---|
| 630 | CIPHER_DEF(TLS_ECDH_RSA_WITH_NULL_SHA, /* 0xC00B */
|
|---|
| 631 | "ECDH-RSA-NULL-SHA",
|
|---|
| 632 | CIPHER_WEAK_NOT_ENCRYPTED),
|
|---|
| 633 | CIPHER_DEF(TLS_ECDH_RSA_WITH_RC4_128_SHA, /* 0xC00C */
|
|---|
| 634 | "ECDH-RSA-RC4-SHA",
|
|---|
| 635 | CIPHER_WEAK_RC_ENCRYPTION),
|
|---|
| 636 | CIPHER_DEF(TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA, /* 0xC00D */
|
|---|
| 637 | "ECDH-RSA-DES-CBC3-SHA",
|
|---|
| 638 | CIPHER_WEAK_3DES_ENCRYPTION),
|
|---|
| 639 | CIPHER_DEF(TLS_ECDH_RSA_WITH_AES_128_CBC_SHA, /* 0xC00E */
|
|---|
| 640 | "ECDH-RSA-AES128-SHA",
|
|---|
| 641 | CIPHER_STRONG_ENOUGH),
|
|---|
| 642 | CIPHER_DEF(TLS_ECDH_RSA_WITH_AES_256_CBC_SHA, /* 0xC00F */
|
|---|
| 643 | "ECDH-RSA-AES256-SHA",
|
|---|
| 644 | CIPHER_STRONG_ENOUGH),
|
|---|
| 645 | CIPHER_DEF(TLS_ECDHE_RSA_WITH_NULL_SHA, /* 0xC010 */
|
|---|
| 646 | "ECDHE-RSA-NULL-SHA",
|
|---|
| 647 | CIPHER_WEAK_NOT_ENCRYPTED),
|
|---|
| 648 | CIPHER_DEF(TLS_ECDHE_RSA_WITH_RC4_128_SHA, /* 0xC011 */
|
|---|
| 649 | "ECDHE-RSA-RC4-SHA",
|
|---|
| 650 | CIPHER_WEAK_RC_ENCRYPTION),
|
|---|
| 651 | CIPHER_DEF(TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, /* 0xC012 */
|
|---|
| 652 | "ECDHE-RSA-DES-CBC3-SHA",
|
|---|
| 653 | CIPHER_WEAK_3DES_ENCRYPTION),
|
|---|
| 654 | CIPHER_DEF(TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, /* 0xC013 */
|
|---|
| 655 | "ECDHE-RSA-AES128-SHA",
|
|---|
| 656 | CIPHER_STRONG_ENOUGH),
|
|---|
| 657 | CIPHER_DEF(TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, /* 0xC014 */
|
|---|
| 658 | "ECDHE-RSA-AES256-SHA",
|
|---|
| 659 | CIPHER_STRONG_ENOUGH),
|
|---|
| 660 | CIPHER_DEF(TLS_ECDH_anon_WITH_NULL_SHA, /* 0xC015 */
|
|---|
| 661 | "AECDH-NULL-SHA",
|
|---|
| 662 | CIPHER_WEAK_ANON_AUTH),
|
|---|
| 663 | CIPHER_DEF(TLS_ECDH_anon_WITH_RC4_128_SHA, /* 0xC016 */
|
|---|
| 664 | "AECDH-RC4-SHA",
|
|---|
| 665 | CIPHER_WEAK_ANON_AUTH),
|
|---|
| 666 | CIPHER_DEF(TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA, /* 0xC017 */
|
|---|
| 667 | "AECDH-DES-CBC3-SHA",
|
|---|
| 668 | CIPHER_WEAK_3DES_ENCRYPTION),
|
|---|
| 669 | CIPHER_DEF(TLS_ECDH_anon_WITH_AES_128_CBC_SHA, /* 0xC018 */
|
|---|
| 670 | "AECDH-AES128-SHA",
|
|---|
| 671 | CIPHER_WEAK_ANON_AUTH),
|
|---|
| 672 | CIPHER_DEF(TLS_ECDH_anon_WITH_AES_256_CBC_SHA, /* 0xC019 */
|
|---|
| 673 | "AECDH-AES256-SHA",
|
|---|
| 674 | CIPHER_WEAK_ANON_AUTH),
|
|---|
| 675 | #endif /* CURL_BUILD_MAC_10_6 || CURL_BUILD_IOS */
|
|---|
| 676 |
|
|---|
| 677 | #if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
|
|---|
| 678 | /* Addenda from rfc 5289 Elliptic Curve Cipher Suites with
|
|---|
| 679 | HMAC SHA-256/384. */
|
|---|
| 680 | CIPHER_DEF(TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256, /* 0xC023 */
|
|---|
| 681 | "ECDHE-ECDSA-AES128-SHA256",
|
|---|
| 682 | CIPHER_STRONG_ENOUGH),
|
|---|
| 683 | CIPHER_DEF(TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384, /* 0xC024 */
|
|---|
| 684 | "ECDHE-ECDSA-AES256-SHA384",
|
|---|
| 685 | CIPHER_STRONG_ENOUGH),
|
|---|
| 686 | CIPHER_DEF(TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256, /* 0xC025 */
|
|---|
| 687 | "ECDH-ECDSA-AES128-SHA256",
|
|---|
| 688 | CIPHER_STRONG_ENOUGH),
|
|---|
| 689 | CIPHER_DEF(TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384, /* 0xC026 */
|
|---|
| 690 | "ECDH-ECDSA-AES256-SHA384",
|
|---|
| 691 | CIPHER_STRONG_ENOUGH),
|
|---|
| 692 | CIPHER_DEF(TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256, /* 0xC027 */
|
|---|
| 693 | "ECDHE-RSA-AES128-SHA256",
|
|---|
| 694 | CIPHER_STRONG_ENOUGH),
|
|---|
| 695 | CIPHER_DEF(TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, /* 0xC028 */
|
|---|
| 696 | "ECDHE-RSA-AES256-SHA384",
|
|---|
| 697 | CIPHER_STRONG_ENOUGH),
|
|---|
| 698 | CIPHER_DEF(TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256, /* 0xC029 */
|
|---|
| 699 | "ECDH-RSA-AES128-SHA256",
|
|---|
| 700 | CIPHER_STRONG_ENOUGH),
|
|---|
| 701 | CIPHER_DEF(TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384, /* 0xC02A */
|
|---|
| 702 | "ECDH-RSA-AES256-SHA384",
|
|---|
| 703 | CIPHER_STRONG_ENOUGH),
|
|---|
| 704 | /* Addenda from rfc 5289 Elliptic Curve Cipher Suites with
|
|---|
| 705 | SHA-256/384 and AES Galois Counter Mode (GCM) */
|
|---|
| 706 | CIPHER_DEF(TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, /* 0xC02B */
|
|---|
| 707 | "ECDHE-ECDSA-AES128-GCM-SHA256",
|
|---|
| 708 | CIPHER_STRONG_ENOUGH),
|
|---|
| 709 | CIPHER_DEF(TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, /* 0xC02C */
|
|---|
| 710 | "ECDHE-ECDSA-AES256-GCM-SHA384",
|
|---|
| 711 | CIPHER_STRONG_ENOUGH),
|
|---|
| 712 | CIPHER_DEF(TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256, /* 0xC02D */
|
|---|
| 713 | "ECDH-ECDSA-AES128-GCM-SHA256",
|
|---|
| 714 | CIPHER_STRONG_ENOUGH),
|
|---|
| 715 | CIPHER_DEF(TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384, /* 0xC02E */
|
|---|
| 716 | "ECDH-ECDSA-AES256-GCM-SHA384",
|
|---|
| 717 | CIPHER_STRONG_ENOUGH),
|
|---|
| 718 | CIPHER_DEF(TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, /* 0xC02F */
|
|---|
| 719 | "ECDHE-RSA-AES128-GCM-SHA256",
|
|---|
| 720 | CIPHER_STRONG_ENOUGH),
|
|---|
| 721 | CIPHER_DEF(TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, /* 0xC030 */
|
|---|
| 722 | "ECDHE-RSA-AES256-GCM-SHA384",
|
|---|
| 723 | CIPHER_STRONG_ENOUGH),
|
|---|
| 724 | CIPHER_DEF(TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256, /* 0xC031 */
|
|---|
| 725 | "ECDH-RSA-AES128-GCM-SHA256",
|
|---|
| 726 | CIPHER_STRONG_ENOUGH),
|
|---|
| 727 | CIPHER_DEF(TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384, /* 0xC032 */
|
|---|
| 728 | "ECDH-RSA-AES256-GCM-SHA384",
|
|---|
| 729 | CIPHER_STRONG_ENOUGH),
|
|---|
| 730 | #endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
|
|---|
| 731 |
|
|---|
| 732 | #if CURL_BUILD_MAC_10_15 || CURL_BUILD_IOS_13
|
|---|
| 733 | /* ECDHE_PSK Cipher Suites for Transport Layer Security (TLS), RFC 5489 */
|
|---|
| 734 | CIPHER_DEF(TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA, /* 0xC035 */
|
|---|
| 735 | "ECDHE-PSK-AES128-CBC-SHA",
|
|---|
| 736 | CIPHER_STRONG_ENOUGH),
|
|---|
| 737 | CIPHER_DEF(TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA, /* 0xC036 */
|
|---|
| 738 | "ECDHE-PSK-AES256-CBC-SHA",
|
|---|
| 739 | CIPHER_STRONG_ENOUGH),
|
|---|
| 740 | #endif /* CURL_BUILD_MAC_10_15 || CURL_BUILD_IOS_13 */
|
|---|
| 741 |
|
|---|
| 742 | #if CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11
|
|---|
| 743 | /* Addenda from rfc 7905 ChaCha20-Poly1305 Cipher Suites for
|
|---|
| 744 | Transport Layer Security (TLS). */
|
|---|
| 745 | CIPHER_DEF(TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, /* 0xCCA8 */
|
|---|
| 746 | "ECDHE-RSA-CHACHA20-POLY1305",
|
|---|
| 747 | CIPHER_STRONG_ENOUGH),
|
|---|
| 748 | CIPHER_DEF(TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, /* 0xCCA9 */
|
|---|
| 749 | "ECDHE-ECDSA-CHACHA20-POLY1305",
|
|---|
| 750 | CIPHER_STRONG_ENOUGH),
|
|---|
| 751 | #endif /* CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11 */
|
|---|
| 752 |
|
|---|
| 753 | #if CURL_BUILD_MAC_10_15 || CURL_BUILD_IOS_13
|
|---|
| 754 | /* ChaCha20-Poly1305 Cipher Suites for Transport Layer Security (TLS),
|
|---|
| 755 | RFC 7905 */
|
|---|
| 756 | CIPHER_DEF(TLS_PSK_WITH_CHACHA20_POLY1305_SHA256, /* 0xCCAB */
|
|---|
| 757 | "PSK-CHACHA20-POLY1305",
|
|---|
| 758 | CIPHER_STRONG_ENOUGH),
|
|---|
| 759 | #endif /* CURL_BUILD_MAC_10_15 || CURL_BUILD_IOS_13 */
|
|---|
| 760 |
|
|---|
| 761 | /* Tags for SSL 2 cipher kinds which are not specified for SSL 3.
|
|---|
| 762 | Defined since SDK 10.2.8 */
|
|---|
| 763 | CIPHER_DEF(SSL_RSA_WITH_RC2_CBC_MD5, /* 0xFF80 */
|
|---|
| 764 | NULL,
|
|---|
| 765 | CIPHER_WEAK_RC_ENCRYPTION),
|
|---|
| 766 | CIPHER_DEF(SSL_RSA_WITH_IDEA_CBC_MD5, /* 0xFF81 */
|
|---|
| 767 | NULL,
|
|---|
| 768 | CIPHER_WEAK_IDEA_ENCRYPTION),
|
|---|
| 769 | CIPHER_DEF(SSL_RSA_WITH_DES_CBC_MD5, /* 0xFF82 */
|
|---|
| 770 | NULL,
|
|---|
| 771 | CIPHER_WEAK_DES_ENCRYPTION),
|
|---|
| 772 | CIPHER_DEF(SSL_RSA_WITH_3DES_EDE_CBC_MD5, /* 0xFF83 */
|
|---|
| 773 | NULL,
|
|---|
| 774 | CIPHER_WEAK_3DES_ENCRYPTION),
|
|---|
| 775 | };
|
|---|
| 776 |
|
|---|
| 777 | #define NUM_OF_CIPHERS sizeof(ciphertable)/sizeof(ciphertable[0])
|
|---|
| 778 |
|
|---|
| 779 |
|
|---|
| 780 | /* pinned public key support tests */
|
|---|
| 781 |
|
|---|
| 782 | /* version 1 supports macOS 10.12+ and iOS 10+ */
|
|---|
| 783 | #if ((TARGET_OS_IPHONE && __IPHONE_OS_VERSION_MIN_REQUIRED >= 100000) || \
|
|---|
| 784 | (!TARGET_OS_IPHONE && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101200))
|
|---|
| 785 | #define SECTRANSP_PINNEDPUBKEY_V1 1
|
|---|
| 786 | #endif
|
|---|
| 787 |
|
|---|
| 788 | /* version 2 supports MacOSX 10.7+ */
|
|---|
| 789 | #if (!TARGET_OS_IPHONE && __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070)
|
|---|
| 790 | #define SECTRANSP_PINNEDPUBKEY_V2 1
|
|---|
| 791 | #endif
|
|---|
| 792 |
|
|---|
| 793 | #if defined(SECTRANSP_PINNEDPUBKEY_V1) || defined(SECTRANSP_PINNEDPUBKEY_V2)
|
|---|
| 794 | /* this backend supports CURLOPT_PINNEDPUBLICKEY */
|
|---|
| 795 | #define SECTRANSP_PINNEDPUBKEY 1
|
|---|
| 796 | #endif /* SECTRANSP_PINNEDPUBKEY */
|
|---|
| 797 |
|
|---|
| 798 | #ifdef SECTRANSP_PINNEDPUBKEY
|
|---|
| 799 | /* both new and old APIs return rsa keys missing the spki header (not DER) */
|
|---|
| 800 | static const unsigned char rsa4096SpkiHeader[] = {
|
|---|
| 801 | 0x30, 0x82, 0x02, 0x22, 0x30, 0x0d,
|
|---|
| 802 | 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
|
|---|
| 803 | 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05,
|
|---|
| 804 | 0x00, 0x03, 0x82, 0x02, 0x0f, 0x00};
|
|---|
| 805 |
|
|---|
| 806 | static const unsigned char rsa2048SpkiHeader[] = {
|
|---|
| 807 | 0x30, 0x82, 0x01, 0x22, 0x30, 0x0d,
|
|---|
| 808 | 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
|
|---|
| 809 | 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05,
|
|---|
| 810 | 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00};
|
|---|
| 811 | #ifdef SECTRANSP_PINNEDPUBKEY_V1
|
|---|
| 812 | /* the *new* version doesn't return DER encoded ecdsa certs like the old... */
|
|---|
| 813 | static const unsigned char ecDsaSecp256r1SpkiHeader[] = {
|
|---|
| 814 | 0x30, 0x59, 0x30, 0x13, 0x06, 0x07,
|
|---|
| 815 | 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02,
|
|---|
| 816 | 0x01, 0x06, 0x08, 0x2a, 0x86, 0x48,
|
|---|
| 817 | 0xce, 0x3d, 0x03, 0x01, 0x07, 0x03,
|
|---|
| 818 | 0x42, 0x00};
|
|---|
| 819 |
|
|---|
| 820 | static const unsigned char ecDsaSecp384r1SpkiHeader[] = {
|
|---|
| 821 | 0x30, 0x76, 0x30, 0x10, 0x06, 0x07,
|
|---|
| 822 | 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02,
|
|---|
| 823 | 0x01, 0x06, 0x05, 0x2b, 0x81, 0x04,
|
|---|
| 824 | 0x00, 0x22, 0x03, 0x62, 0x00};
|
|---|
| 825 | #endif /* SECTRANSP_PINNEDPUBKEY_V1 */
|
|---|
| 826 | #endif /* SECTRANSP_PINNEDPUBKEY */
|
|---|
| 827 |
|
|---|
| 828 | static OSStatus bio_cf_in_read(SSLConnectionRef connection,
|
|---|
| 829 | void *buf,
|
|---|
| 830 | size_t *dataLength) /* IN/OUT */
|
|---|
| 831 | {
|
|---|
| 832 | struct Curl_cfilter *cf = (struct Curl_cfilter *)connection;
|
|---|
| 833 | struct ssl_connect_data *connssl = cf->ctx;
|
|---|
| 834 | struct ssl_backend_data *backend = connssl->backend;
|
|---|
| 835 | struct Curl_easy *data = CF_DATA_CURRENT(cf);
|
|---|
| 836 | ssize_t nread;
|
|---|
| 837 | CURLcode result;
|
|---|
| 838 | OSStatus rtn = noErr;
|
|---|
| 839 |
|
|---|
| 840 | DEBUGASSERT(data);
|
|---|
| 841 | nread = Curl_conn_cf_recv(cf->next, data, buf, *dataLength, &result);
|
|---|
| 842 | DEBUGF(LOG_CF(data, cf, "bio_read(len=%zu) -> %zd, result=%d",
|
|---|
| 843 | *dataLength, nread, result));
|
|---|
| 844 | if(nread < 0) {
|
|---|
| 845 | switch(result) {
|
|---|
| 846 | case CURLE_OK:
|
|---|
| 847 | case CURLE_AGAIN:
|
|---|
| 848 | rtn = errSSLWouldBlock;
|
|---|
| 849 | backend->ssl_direction = false;
|
|---|
| 850 | break;
|
|---|
| 851 | default:
|
|---|
| 852 | rtn = ioErr;
|
|---|
| 853 | break;
|
|---|
| 854 | }
|
|---|
| 855 | nread = 0;
|
|---|
| 856 | }
|
|---|
| 857 | else if((size_t)nread < *dataLength) {
|
|---|
| 858 | rtn = errSSLWouldBlock;
|
|---|
| 859 | }
|
|---|
| 860 | *dataLength = nread;
|
|---|
| 861 | return rtn;
|
|---|
| 862 | }
|
|---|
| 863 |
|
|---|
| 864 | static OSStatus bio_cf_out_write(SSLConnectionRef connection,
|
|---|
| 865 | const void *buf,
|
|---|
| 866 | size_t *dataLength) /* IN/OUT */
|
|---|
| 867 | {
|
|---|
| 868 | struct Curl_cfilter *cf = (struct Curl_cfilter *)connection;
|
|---|
| 869 | struct ssl_connect_data *connssl = cf->ctx;
|
|---|
| 870 | struct ssl_backend_data *backend = connssl->backend;
|
|---|
| 871 | struct Curl_easy *data = CF_DATA_CURRENT(cf);
|
|---|
| 872 | ssize_t nwritten;
|
|---|
| 873 | CURLcode result;
|
|---|
| 874 | OSStatus rtn = noErr;
|
|---|
| 875 |
|
|---|
| 876 | DEBUGASSERT(data);
|
|---|
| 877 | nwritten = Curl_conn_cf_send(cf->next, data, buf, *dataLength, &result);
|
|---|
| 878 | DEBUGF(LOG_CF(data, cf, "bio_send(len=%zu) -> %zd, result=%d",
|
|---|
| 879 | *dataLength, nwritten, result));
|
|---|
| 880 | if(nwritten <= 0) {
|
|---|
| 881 | if(result == CURLE_AGAIN) {
|
|---|
| 882 | rtn = errSSLWouldBlock;
|
|---|
| 883 | backend->ssl_direction = true;
|
|---|
| 884 | }
|
|---|
| 885 | else {
|
|---|
| 886 | rtn = ioErr;
|
|---|
| 887 | }
|
|---|
| 888 | nwritten = 0;
|
|---|
| 889 | }
|
|---|
| 890 | else if((size_t)nwritten < *dataLength) {
|
|---|
| 891 | rtn = errSSLWouldBlock;
|
|---|
| 892 | }
|
|---|
| 893 | *dataLength = nwritten;
|
|---|
| 894 | return rtn;
|
|---|
| 895 | }
|
|---|
| 896 |
|
|---|
| 897 | #ifndef CURL_DISABLE_VERBOSE_STRINGS
|
|---|
| 898 | CF_INLINE const char *TLSCipherNameForNumber(SSLCipherSuite cipher)
|
|---|
| 899 | {
|
|---|
| 900 | /* The first ciphers in the ciphertable are continuous. Here we do small
|
|---|
| 901 | optimization and instead of loop directly get SSL name by cipher number.
|
|---|
| 902 | */
|
|---|
| 903 | if(cipher <= SSL_FORTEZZA_DMS_WITH_FORTEZZA_CBC_SHA) {
|
|---|
| 904 | return ciphertable[cipher].name;
|
|---|
| 905 | }
|
|---|
| 906 | /* Iterate through the rest of the ciphers */
|
|---|
| 907 | for(size_t i = SSL_FORTEZZA_DMS_WITH_FORTEZZA_CBC_SHA + 1;
|
|---|
| 908 | i < NUM_OF_CIPHERS;
|
|---|
| 909 | ++i) {
|
|---|
| 910 | if(ciphertable[i].num == cipher) {
|
|---|
| 911 | return ciphertable[i].name;
|
|---|
| 912 | }
|
|---|
| 913 | }
|
|---|
| 914 | return ciphertable[SSL_NULL_WITH_NULL_NULL].name;
|
|---|
| 915 | }
|
|---|
| 916 | #endif /* !CURL_DISABLE_VERBOSE_STRINGS */
|
|---|
| 917 |
|
|---|
| 918 | #if CURL_BUILD_MAC
|
|---|
| 919 | CF_INLINE void GetDarwinVersionNumber(int *major, int *minor)
|
|---|
| 920 | {
|
|---|
| 921 | int mib[2];
|
|---|
| 922 | char *os_version;
|
|---|
| 923 | size_t os_version_len;
|
|---|
| 924 | char *os_version_major, *os_version_minor;
|
|---|
| 925 | char *tok_buf;
|
|---|
| 926 |
|
|---|
| 927 | /* Get the Darwin kernel version from the kernel using sysctl(): */
|
|---|
| 928 | mib[0] = CTL_KERN;
|
|---|
| 929 | mib[1] = KERN_OSRELEASE;
|
|---|
| 930 | if(sysctl(mib, 2, NULL, &os_version_len, NULL, 0) == -1)
|
|---|
| 931 | return;
|
|---|
| 932 | os_version = malloc(os_version_len*sizeof(char));
|
|---|
| 933 | if(!os_version)
|
|---|
| 934 | return;
|
|---|
| 935 | if(sysctl(mib, 2, os_version, &os_version_len, NULL, 0) == -1) {
|
|---|
| 936 | free(os_version);
|
|---|
| 937 | return;
|
|---|
| 938 | }
|
|---|
| 939 |
|
|---|
| 940 | /* Parse the version: */
|
|---|
| 941 | os_version_major = strtok_r(os_version, ".", &tok_buf);
|
|---|
| 942 | os_version_minor = strtok_r(NULL, ".", &tok_buf);
|
|---|
| 943 | *major = atoi(os_version_major);
|
|---|
| 944 | *minor = atoi(os_version_minor);
|
|---|
| 945 | free(os_version);
|
|---|
| 946 | }
|
|---|
| 947 | #endif /* CURL_BUILD_MAC */
|
|---|
| 948 |
|
|---|
| 949 | /* Apple provides a myriad of ways of getting information about a certificate
|
|---|
| 950 | into a string. Some aren't available under iOS or newer cats. So here's
|
|---|
| 951 | a unified function for getting a string describing the certificate that
|
|---|
| 952 | ought to work in all cats starting with Leopard. */
|
|---|
| 953 | CF_INLINE CFStringRef getsubject(SecCertificateRef cert)
|
|---|
| 954 | {
|
|---|
| 955 | CFStringRef server_cert_summary = CFSTR("(null)");
|
|---|
| 956 |
|
|---|
| 957 | #if CURL_BUILD_IOS
|
|---|
| 958 | /* iOS: There's only one way to do this. */
|
|---|
| 959 | server_cert_summary = SecCertificateCopySubjectSummary(cert);
|
|---|
| 960 | #else
|
|---|
| 961 | #if CURL_BUILD_MAC_10_7
|
|---|
| 962 | /* Lion & later: Get the long description if we can. */
|
|---|
| 963 | if(SecCertificateCopyLongDescription)
|
|---|
| 964 | server_cert_summary =
|
|---|
| 965 | SecCertificateCopyLongDescription(NULL, cert, NULL);
|
|---|
| 966 | else
|
|---|
| 967 | #endif /* CURL_BUILD_MAC_10_7 */
|
|---|
| 968 | #if CURL_BUILD_MAC_10_6
|
|---|
| 969 | /* Snow Leopard: Get the certificate summary. */
|
|---|
| 970 | if(SecCertificateCopySubjectSummary)
|
|---|
| 971 | server_cert_summary = SecCertificateCopySubjectSummary(cert);
|
|---|
| 972 | else
|
|---|
| 973 | #endif /* CURL_BUILD_MAC_10_6 */
|
|---|
| 974 | /* Leopard is as far back as we go... */
|
|---|
| 975 | (void)SecCertificateCopyCommonName(cert, &server_cert_summary);
|
|---|
| 976 | #endif /* CURL_BUILD_IOS */
|
|---|
| 977 | return server_cert_summary;
|
|---|
| 978 | }
|
|---|
| 979 |
|
|---|
| 980 | static CURLcode CopyCertSubject(struct Curl_easy *data,
|
|---|
| 981 | SecCertificateRef cert, char **certp)
|
|---|
| 982 | {
|
|---|
| 983 | CFStringRef c = getsubject(cert);
|
|---|
| 984 | CURLcode result = CURLE_OK;
|
|---|
| 985 | const char *direct;
|
|---|
| 986 | char *cbuf = NULL;
|
|---|
| 987 | *certp = NULL;
|
|---|
| 988 |
|
|---|
| 989 | if(!c) {
|
|---|
| 990 | failf(data, "SSL: invalid CA certificate subject");
|
|---|
| 991 | return CURLE_PEER_FAILED_VERIFICATION;
|
|---|
| 992 | }
|
|---|
| 993 |
|
|---|
| 994 | /* If the subject is already available as UTF-8 encoded (ie 'direct') then
|
|---|
| 995 | use that, else convert it. */
|
|---|
| 996 | direct = CFStringGetCStringPtr(c, kCFStringEncodingUTF8);
|
|---|
| 997 | if(direct) {
|
|---|
| 998 | *certp = strdup(direct);
|
|---|
| 999 | if(!*certp) {
|
|---|
| 1000 | failf(data, "SSL: out of memory");
|
|---|
| 1001 | result = CURLE_OUT_OF_MEMORY;
|
|---|
| 1002 | }
|
|---|
| 1003 | }
|
|---|
| 1004 | else {
|
|---|
| 1005 | size_t cbuf_size = ((size_t)CFStringGetLength(c) * 4) + 1;
|
|---|
| 1006 | cbuf = calloc(cbuf_size, 1);
|
|---|
| 1007 | if(cbuf) {
|
|---|
| 1008 | if(!CFStringGetCString(c, cbuf, cbuf_size,
|
|---|
| 1009 | kCFStringEncodingUTF8)) {
|
|---|
| 1010 | failf(data, "SSL: invalid CA certificate subject");
|
|---|
| 1011 | result = CURLE_PEER_FAILED_VERIFICATION;
|
|---|
| 1012 | }
|
|---|
| 1013 | else
|
|---|
| 1014 | /* pass back the buffer */
|
|---|
| 1015 | *certp = cbuf;
|
|---|
| 1016 | }
|
|---|
| 1017 | else {
|
|---|
| 1018 | failf(data, "SSL: couldn't allocate %zu bytes of memory", cbuf_size);
|
|---|
| 1019 | result = CURLE_OUT_OF_MEMORY;
|
|---|
| 1020 | }
|
|---|
| 1021 | }
|
|---|
| 1022 | if(result)
|
|---|
| 1023 | free(cbuf);
|
|---|
| 1024 | CFRelease(c);
|
|---|
| 1025 | return result;
|
|---|
| 1026 | }
|
|---|
| 1027 |
|
|---|
| 1028 | #if CURL_SUPPORT_MAC_10_6
|
|---|
| 1029 | /* The SecKeychainSearch API was deprecated in Lion, and using it will raise
|
|---|
| 1030 | deprecation warnings, so let's not compile this unless it's necessary: */
|
|---|
| 1031 | static OSStatus CopyIdentityWithLabelOldSchool(char *label,
|
|---|
| 1032 | SecIdentityRef *out_c_a_k)
|
|---|
| 1033 | {
|
|---|
| 1034 | OSStatus status = errSecItemNotFound;
|
|---|
| 1035 | SecKeychainAttributeList attr_list;
|
|---|
| 1036 | SecKeychainAttribute attr;
|
|---|
| 1037 | SecKeychainSearchRef search = NULL;
|
|---|
| 1038 | SecCertificateRef cert = NULL;
|
|---|
| 1039 |
|
|---|
| 1040 | /* Set up the attribute list: */
|
|---|
| 1041 | attr_list.count = 1L;
|
|---|
| 1042 | attr_list.attr = &attr;
|
|---|
| 1043 |
|
|---|
| 1044 | /* Set up our lone search criterion: */
|
|---|
| 1045 | attr.tag = kSecLabelItemAttr;
|
|---|
| 1046 | attr.data = label;
|
|---|
| 1047 | attr.length = (UInt32)strlen(label);
|
|---|
| 1048 |
|
|---|
| 1049 | /* Start searching: */
|
|---|
| 1050 | status = SecKeychainSearchCreateFromAttributes(NULL,
|
|---|
| 1051 | kSecCertificateItemClass,
|
|---|
| 1052 | &attr_list,
|
|---|
| 1053 | &search);
|
|---|
| 1054 | if(status == noErr) {
|
|---|
| 1055 | status = SecKeychainSearchCopyNext(search,
|
|---|
| 1056 | (SecKeychainItemRef *)&cert);
|
|---|
| 1057 | if(status == noErr && cert) {
|
|---|
| 1058 | /* If we found a certificate, does it have a private key? */
|
|---|
| 1059 | status = SecIdentityCreateWithCertificate(NULL, cert, out_c_a_k);
|
|---|
| 1060 | CFRelease(cert);
|
|---|
| 1061 | }
|
|---|
| 1062 | }
|
|---|
| 1063 |
|
|---|
| 1064 | if(search)
|
|---|
| 1065 | CFRelease(search);
|
|---|
| 1066 | return status;
|
|---|
| 1067 | }
|
|---|
| 1068 | #endif /* CURL_SUPPORT_MAC_10_6 */
|
|---|
| 1069 |
|
|---|
| 1070 | static OSStatus CopyIdentityWithLabel(char *label,
|
|---|
| 1071 | SecIdentityRef *out_cert_and_key)
|
|---|
| 1072 | {
|
|---|
| 1073 | OSStatus status = errSecItemNotFound;
|
|---|
| 1074 |
|
|---|
| 1075 | #if CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS
|
|---|
| 1076 | CFArrayRef keys_list;
|
|---|
| 1077 | CFIndex keys_list_count;
|
|---|
| 1078 | CFIndex i;
|
|---|
| 1079 | CFStringRef common_name;
|
|---|
| 1080 |
|
|---|
| 1081 | /* SecItemCopyMatching() was introduced in iOS and Snow Leopard.
|
|---|
| 1082 | kSecClassIdentity was introduced in Lion. If both exist, let's use them
|
|---|
| 1083 | to find the certificate. */
|
|---|
| 1084 | if(SecItemCopyMatching && kSecClassIdentity) {
|
|---|
| 1085 | CFTypeRef keys[5];
|
|---|
| 1086 | CFTypeRef values[5];
|
|---|
| 1087 | CFDictionaryRef query_dict;
|
|---|
| 1088 | CFStringRef label_cf = CFStringCreateWithCString(NULL, label,
|
|---|
| 1089 | kCFStringEncodingUTF8);
|
|---|
| 1090 |
|
|---|
| 1091 | /* Set up our search criteria and expected results: */
|
|---|
| 1092 | values[0] = kSecClassIdentity; /* we want a certificate and a key */
|
|---|
| 1093 | keys[0] = kSecClass;
|
|---|
| 1094 | values[1] = kCFBooleanTrue; /* we want a reference */
|
|---|
| 1095 | keys[1] = kSecReturnRef;
|
|---|
| 1096 | values[2] = kSecMatchLimitAll; /* kSecMatchLimitOne would be better if the
|
|---|
| 1097 | * label matching below worked correctly */
|
|---|
| 1098 | keys[2] = kSecMatchLimit;
|
|---|
| 1099 | /* identity searches need a SecPolicyRef in order to work */
|
|---|
| 1100 | values[3] = SecPolicyCreateSSL(false, NULL);
|
|---|
| 1101 | keys[3] = kSecMatchPolicy;
|
|---|
| 1102 | /* match the name of the certificate (doesn't work in macOS 10.12.1) */
|
|---|
| 1103 | values[4] = label_cf;
|
|---|
| 1104 | keys[4] = kSecAttrLabel;
|
|---|
| 1105 | query_dict = CFDictionaryCreate(NULL, (const void **)keys,
|
|---|
| 1106 | (const void **)values, 5L,
|
|---|
| 1107 | &kCFCopyStringDictionaryKeyCallBacks,
|
|---|
| 1108 | &kCFTypeDictionaryValueCallBacks);
|
|---|
| 1109 | CFRelease(values[3]);
|
|---|
| 1110 |
|
|---|
| 1111 | /* Do we have a match? */
|
|---|
| 1112 | status = SecItemCopyMatching(query_dict, (CFTypeRef *) &keys_list);
|
|---|
| 1113 |
|
|---|
| 1114 | /* Because kSecAttrLabel matching doesn't work with kSecClassIdentity,
|
|---|
| 1115 | * we need to find the correct identity ourselves */
|
|---|
| 1116 | if(status == noErr) {
|
|---|
| 1117 | keys_list_count = CFArrayGetCount(keys_list);
|
|---|
| 1118 | *out_cert_and_key = NULL;
|
|---|
| 1119 | status = 1;
|
|---|
| 1120 | for(i = 0; i<keys_list_count; i++) {
|
|---|
| 1121 | OSStatus err = noErr;
|
|---|
| 1122 | SecCertificateRef cert = NULL;
|
|---|
| 1123 | SecIdentityRef identity =
|
|---|
| 1124 | (SecIdentityRef) CFArrayGetValueAtIndex(keys_list, i);
|
|---|
| 1125 | err = SecIdentityCopyCertificate(identity, &cert);
|
|---|
| 1126 | if(err == noErr) {
|
|---|
| 1127 | OSStatus copy_status = noErr;
|
|---|
| 1128 | #if CURL_BUILD_IOS
|
|---|
| 1129 | common_name = SecCertificateCopySubjectSummary(cert);
|
|---|
| 1130 | #elif CURL_BUILD_MAC_10_7
|
|---|
| 1131 | copy_status = SecCertificateCopyCommonName(cert, &common_name);
|
|---|
| 1132 | #endif
|
|---|
| 1133 | if(copy_status == noErr &&
|
|---|
| 1134 | CFStringCompare(common_name, label_cf, 0) == kCFCompareEqualTo) {
|
|---|
| 1135 | CFRelease(cert);
|
|---|
| 1136 | CFRelease(common_name);
|
|---|
| 1137 | CFRetain(identity);
|
|---|
| 1138 | *out_cert_and_key = identity;
|
|---|
| 1139 | status = noErr;
|
|---|
| 1140 | break;
|
|---|
| 1141 | }
|
|---|
| 1142 | CFRelease(common_name);
|
|---|
| 1143 | }
|
|---|
| 1144 | CFRelease(cert);
|
|---|
| 1145 | }
|
|---|
| 1146 | }
|
|---|
| 1147 |
|
|---|
| 1148 | if(keys_list)
|
|---|
| 1149 | CFRelease(keys_list);
|
|---|
| 1150 | CFRelease(query_dict);
|
|---|
| 1151 | CFRelease(label_cf);
|
|---|
| 1152 | }
|
|---|
| 1153 | else {
|
|---|
| 1154 | #if CURL_SUPPORT_MAC_10_6
|
|---|
| 1155 | /* On Leopard and Snow Leopard, fall back to SecKeychainSearch. */
|
|---|
| 1156 | status = CopyIdentityWithLabelOldSchool(label, out_cert_and_key);
|
|---|
| 1157 | #endif /* CURL_SUPPORT_MAC_10_6 */
|
|---|
| 1158 | }
|
|---|
| 1159 | #elif CURL_SUPPORT_MAC_10_6
|
|---|
| 1160 | /* For developers building on older cats, we have no choice but to fall back
|
|---|
| 1161 | to SecKeychainSearch. */
|
|---|
| 1162 | status = CopyIdentityWithLabelOldSchool(label, out_cert_and_key);
|
|---|
| 1163 | #endif /* CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS */
|
|---|
| 1164 | return status;
|
|---|
| 1165 | }
|
|---|
| 1166 |
|
|---|
| 1167 | static OSStatus CopyIdentityFromPKCS12File(const char *cPath,
|
|---|
| 1168 | const struct curl_blob *blob,
|
|---|
| 1169 | const char *cPassword,
|
|---|
| 1170 | SecIdentityRef *out_cert_and_key)
|
|---|
| 1171 | {
|
|---|
| 1172 | OSStatus status = errSecItemNotFound;
|
|---|
| 1173 | CFURLRef pkcs_url = NULL;
|
|---|
| 1174 | CFStringRef password = cPassword ? CFStringCreateWithCString(NULL,
|
|---|
| 1175 | cPassword, kCFStringEncodingUTF8) : NULL;
|
|---|
| 1176 | CFDataRef pkcs_data = NULL;
|
|---|
| 1177 |
|
|---|
| 1178 | /* We can import P12 files on iOS or OS X 10.7 or later: */
|
|---|
| 1179 | /* These constants are documented as having first appeared in 10.6 but they
|
|---|
| 1180 | raise linker errors when used on that cat for some reason. */
|
|---|
| 1181 | #if CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS
|
|---|
| 1182 | bool resource_imported;
|
|---|
| 1183 |
|
|---|
| 1184 | if(blob) {
|
|---|
| 1185 | pkcs_data = CFDataCreate(kCFAllocatorDefault,
|
|---|
| 1186 | (const unsigned char *)blob->data, blob->len);
|
|---|
| 1187 | status = (pkcs_data != NULL) ? errSecSuccess : errSecAllocate;
|
|---|
| 1188 | resource_imported = (pkcs_data != NULL);
|
|---|
| 1189 | }
|
|---|
| 1190 | else {
|
|---|
| 1191 | pkcs_url =
|
|---|
| 1192 | CFURLCreateFromFileSystemRepresentation(NULL,
|
|---|
| 1193 | (const UInt8 *)cPath,
|
|---|
| 1194 | strlen(cPath), false);
|
|---|
| 1195 | resource_imported =
|
|---|
| 1196 | CFURLCreateDataAndPropertiesFromResource(NULL,
|
|---|
| 1197 | pkcs_url, &pkcs_data,
|
|---|
| 1198 | NULL, NULL, &status);
|
|---|
| 1199 | }
|
|---|
| 1200 |
|
|---|
| 1201 | if(resource_imported) {
|
|---|
| 1202 | CFArrayRef items = NULL;
|
|---|
| 1203 |
|
|---|
| 1204 | /* On iOS SecPKCS12Import will never add the client certificate to the
|
|---|
| 1205 | * Keychain.
|
|---|
| 1206 | *
|
|---|
| 1207 | * It gives us back a SecIdentityRef that we can use directly. */
|
|---|
| 1208 | #if CURL_BUILD_IOS
|
|---|
| 1209 | const void *cKeys[] = {kSecImportExportPassphrase};
|
|---|
| 1210 | const void *cValues[] = {password};
|
|---|
| 1211 | CFDictionaryRef options = CFDictionaryCreate(NULL, cKeys, cValues,
|
|---|
| 1212 | password ? 1L : 0L, NULL, NULL);
|
|---|
| 1213 |
|
|---|
| 1214 | if(options) {
|
|---|
| 1215 | status = SecPKCS12Import(pkcs_data, options, &items);
|
|---|
| 1216 | CFRelease(options);
|
|---|
| 1217 | }
|
|---|
| 1218 |
|
|---|
| 1219 |
|
|---|
| 1220 | /* On macOS SecPKCS12Import will always add the client certificate to
|
|---|
| 1221 | * the Keychain.
|
|---|
| 1222 | *
|
|---|
| 1223 | * As this doesn't match iOS, and apps may not want to see their client
|
|---|
| 1224 | * certificate saved in the user's keychain, we use SecItemImport
|
|---|
| 1225 | * with a NULL keychain to avoid importing it.
|
|---|
| 1226 | *
|
|---|
| 1227 | * This returns a SecCertificateRef from which we can construct a
|
|---|
| 1228 | * SecIdentityRef.
|
|---|
| 1229 | */
|
|---|
| 1230 | #elif CURL_BUILD_MAC_10_7
|
|---|
| 1231 | SecItemImportExportKeyParameters keyParams;
|
|---|
| 1232 | SecExternalFormat inputFormat = kSecFormatPKCS12;
|
|---|
| 1233 | SecExternalItemType inputType = kSecItemTypeCertificate;
|
|---|
| 1234 |
|
|---|
| 1235 | memset(&keyParams, 0x00, sizeof(keyParams));
|
|---|
| 1236 | keyParams.version = SEC_KEY_IMPORT_EXPORT_PARAMS_VERSION;
|
|---|
| 1237 | keyParams.passphrase = password;
|
|---|
| 1238 |
|
|---|
| 1239 | status = SecItemImport(pkcs_data, NULL, &inputFormat, &inputType,
|
|---|
| 1240 | 0, &keyParams, NULL, &items);
|
|---|
| 1241 | #endif
|
|---|
| 1242 |
|
|---|
| 1243 |
|
|---|
| 1244 | /* Extract the SecIdentityRef */
|
|---|
| 1245 | if(status == errSecSuccess && items && CFArrayGetCount(items)) {
|
|---|
| 1246 | CFIndex i, count;
|
|---|
| 1247 | count = CFArrayGetCount(items);
|
|---|
| 1248 |
|
|---|
| 1249 | for(i = 0; i < count; i++) {
|
|---|
| 1250 | CFTypeRef item = (CFTypeRef) CFArrayGetValueAtIndex(items, i);
|
|---|
| 1251 | CFTypeID itemID = CFGetTypeID(item);
|
|---|
| 1252 |
|
|---|
| 1253 | if(itemID == CFDictionaryGetTypeID()) {
|
|---|
| 1254 | CFTypeRef identity = (CFTypeRef) CFDictionaryGetValue(
|
|---|
| 1255 | (CFDictionaryRef) item,
|
|---|
| 1256 | kSecImportItemIdentity);
|
|---|
| 1257 | CFRetain(identity);
|
|---|
| 1258 | *out_cert_and_key = (SecIdentityRef) identity;
|
|---|
| 1259 | break;
|
|---|
| 1260 | }
|
|---|
| 1261 | #if CURL_BUILD_MAC_10_7
|
|---|
| 1262 | else if(itemID == SecCertificateGetTypeID()) {
|
|---|
| 1263 | status = SecIdentityCreateWithCertificate(NULL,
|
|---|
| 1264 | (SecCertificateRef) item,
|
|---|
| 1265 | out_cert_and_key);
|
|---|
| 1266 | break;
|
|---|
| 1267 | }
|
|---|
| 1268 | #endif
|
|---|
| 1269 | }
|
|---|
| 1270 | }
|
|---|
| 1271 |
|
|---|
| 1272 | if(items)
|
|---|
| 1273 | CFRelease(items);
|
|---|
| 1274 | CFRelease(pkcs_data);
|
|---|
| 1275 | }
|
|---|
| 1276 | #endif /* CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS */
|
|---|
| 1277 | if(password)
|
|---|
| 1278 | CFRelease(password);
|
|---|
| 1279 | if(pkcs_url)
|
|---|
| 1280 | CFRelease(pkcs_url);
|
|---|
| 1281 | return status;
|
|---|
| 1282 | }
|
|---|
| 1283 |
|
|---|
| 1284 | /* This code was borrowed from nss.c, with some modifications:
|
|---|
| 1285 | * Determine whether the nickname passed in is a filename that needs to
|
|---|
| 1286 | * be loaded as a PEM or a regular NSS nickname.
|
|---|
| 1287 | *
|
|---|
| 1288 | * returns 1 for a file
|
|---|
| 1289 | * returns 0 for not a file
|
|---|
| 1290 | */
|
|---|
| 1291 | CF_INLINE bool is_file(const char *filename)
|
|---|
| 1292 | {
|
|---|
| 1293 | struct_stat st;
|
|---|
| 1294 |
|
|---|
| 1295 | if(!filename)
|
|---|
| 1296 | return false;
|
|---|
| 1297 |
|
|---|
| 1298 | if(stat(filename, &st) == 0)
|
|---|
| 1299 | return S_ISREG(st.st_mode);
|
|---|
| 1300 | return false;
|
|---|
| 1301 | }
|
|---|
| 1302 |
|
|---|
| 1303 | #if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
|
|---|
| 1304 | static CURLcode sectransp_version_from_curl(SSLProtocol *darwinver,
|
|---|
| 1305 | long ssl_version)
|
|---|
| 1306 | {
|
|---|
| 1307 | switch(ssl_version) {
|
|---|
| 1308 | case CURL_SSLVERSION_TLSv1_0:
|
|---|
| 1309 | *darwinver = kTLSProtocol1;
|
|---|
| 1310 | return CURLE_OK;
|
|---|
| 1311 | case CURL_SSLVERSION_TLSv1_1:
|
|---|
| 1312 | *darwinver = kTLSProtocol11;
|
|---|
| 1313 | return CURLE_OK;
|
|---|
| 1314 | case CURL_SSLVERSION_TLSv1_2:
|
|---|
| 1315 | *darwinver = kTLSProtocol12;
|
|---|
| 1316 | return CURLE_OK;
|
|---|
| 1317 | case CURL_SSLVERSION_TLSv1_3:
|
|---|
| 1318 | /* TLS 1.3 support first appeared in iOS 11 and macOS 10.13 */
|
|---|
| 1319 | #if (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) && HAVE_BUILTIN_AVAILABLE == 1
|
|---|
| 1320 | if(__builtin_available(macOS 10.13, iOS 11.0, *)) {
|
|---|
| 1321 | *darwinver = kTLSProtocol13;
|
|---|
| 1322 | return CURLE_OK;
|
|---|
| 1323 | }
|
|---|
| 1324 | #endif /* (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) &&
|
|---|
| 1325 | HAVE_BUILTIN_AVAILABLE == 1 */
|
|---|
| 1326 | break;
|
|---|
| 1327 | }
|
|---|
| 1328 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 1329 | }
|
|---|
| 1330 | #endif
|
|---|
| 1331 |
|
|---|
| 1332 | static CURLcode set_ssl_version_min_max(struct Curl_cfilter *cf,
|
|---|
| 1333 | struct Curl_easy *data)
|
|---|
| 1334 | {
|
|---|
| 1335 | struct ssl_connect_data *connssl = cf->ctx;
|
|---|
| 1336 | struct ssl_backend_data *backend = connssl->backend;
|
|---|
| 1337 | struct ssl_primary_config *conn_config = Curl_ssl_cf_get_primary_config(cf);
|
|---|
| 1338 | long ssl_version = conn_config->version;
|
|---|
| 1339 | long ssl_version_max = conn_config->version_max;
|
|---|
| 1340 | long max_supported_version_by_os;
|
|---|
| 1341 |
|
|---|
| 1342 | DEBUGASSERT(backend);
|
|---|
| 1343 |
|
|---|
| 1344 | /* macOS 10.5-10.7 supported TLS 1.0 only.
|
|---|
| 1345 | macOS 10.8 and later, and iOS 5 and later, added TLS 1.1 and 1.2.
|
|---|
| 1346 | macOS 10.13 and later, and iOS 11 and later, added TLS 1.3. */
|
|---|
| 1347 | #if (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) && HAVE_BUILTIN_AVAILABLE == 1
|
|---|
| 1348 | if(__builtin_available(macOS 10.13, iOS 11.0, *)) {
|
|---|
| 1349 | max_supported_version_by_os = CURL_SSLVERSION_MAX_TLSv1_3;
|
|---|
| 1350 | }
|
|---|
| 1351 | else {
|
|---|
| 1352 | max_supported_version_by_os = CURL_SSLVERSION_MAX_TLSv1_2;
|
|---|
| 1353 | }
|
|---|
| 1354 | #else
|
|---|
| 1355 | max_supported_version_by_os = CURL_SSLVERSION_MAX_TLSv1_2;
|
|---|
| 1356 | #endif /* (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) &&
|
|---|
| 1357 | HAVE_BUILTIN_AVAILABLE == 1 */
|
|---|
| 1358 |
|
|---|
| 1359 | switch(ssl_version) {
|
|---|
| 1360 | case CURL_SSLVERSION_DEFAULT:
|
|---|
| 1361 | case CURL_SSLVERSION_TLSv1:
|
|---|
| 1362 | ssl_version = CURL_SSLVERSION_TLSv1_0;
|
|---|
| 1363 | break;
|
|---|
| 1364 | }
|
|---|
| 1365 |
|
|---|
| 1366 | switch(ssl_version_max) {
|
|---|
| 1367 | case CURL_SSLVERSION_MAX_NONE:
|
|---|
| 1368 | case CURL_SSLVERSION_MAX_DEFAULT:
|
|---|
| 1369 | ssl_version_max = max_supported_version_by_os;
|
|---|
| 1370 | break;
|
|---|
| 1371 | }
|
|---|
| 1372 |
|
|---|
| 1373 | #if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
|
|---|
| 1374 | if(SSLSetProtocolVersionMax) {
|
|---|
| 1375 | SSLProtocol darwin_ver_min = kTLSProtocol1;
|
|---|
| 1376 | SSLProtocol darwin_ver_max = kTLSProtocol1;
|
|---|
| 1377 | CURLcode result = sectransp_version_from_curl(&darwin_ver_min,
|
|---|
| 1378 | ssl_version);
|
|---|
| 1379 | if(result) {
|
|---|
| 1380 | failf(data, "unsupported min version passed via CURLOPT_SSLVERSION");
|
|---|
| 1381 | return result;
|
|---|
| 1382 | }
|
|---|
| 1383 | result = sectransp_version_from_curl(&darwin_ver_max,
|
|---|
| 1384 | ssl_version_max >> 16);
|
|---|
| 1385 | if(result) {
|
|---|
| 1386 | failf(data, "unsupported max version passed via CURLOPT_SSLVERSION");
|
|---|
| 1387 | return result;
|
|---|
| 1388 | }
|
|---|
| 1389 |
|
|---|
| 1390 | (void)SSLSetProtocolVersionMin(backend->ssl_ctx, darwin_ver_min);
|
|---|
| 1391 | (void)SSLSetProtocolVersionMax(backend->ssl_ctx, darwin_ver_max);
|
|---|
| 1392 | return result;
|
|---|
| 1393 | }
|
|---|
| 1394 | else {
|
|---|
| 1395 | #if CURL_SUPPORT_MAC_10_8
|
|---|
| 1396 | long i = ssl_version;
|
|---|
| 1397 | (void)SSLSetProtocolVersionEnabled(backend->ssl_ctx,
|
|---|
| 1398 | kSSLProtocolAll,
|
|---|
| 1399 | false);
|
|---|
| 1400 | for(; i <= (ssl_version_max >> 16); i++) {
|
|---|
| 1401 | switch(i) {
|
|---|
| 1402 | case CURL_SSLVERSION_TLSv1_0:
|
|---|
| 1403 | (void)SSLSetProtocolVersionEnabled(backend->ssl_ctx,
|
|---|
| 1404 | kTLSProtocol1,
|
|---|
| 1405 | true);
|
|---|
| 1406 | break;
|
|---|
| 1407 | case CURL_SSLVERSION_TLSv1_1:
|
|---|
| 1408 | (void)SSLSetProtocolVersionEnabled(backend->ssl_ctx,
|
|---|
| 1409 | kTLSProtocol11,
|
|---|
| 1410 | true);
|
|---|
| 1411 | break;
|
|---|
| 1412 | case CURL_SSLVERSION_TLSv1_2:
|
|---|
| 1413 | (void)SSLSetProtocolVersionEnabled(backend->ssl_ctx,
|
|---|
| 1414 | kTLSProtocol12,
|
|---|
| 1415 | true);
|
|---|
| 1416 | break;
|
|---|
| 1417 | case CURL_SSLVERSION_TLSv1_3:
|
|---|
| 1418 | failf(data, "Your version of the OS does not support TLSv1.3");
|
|---|
| 1419 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 1420 | }
|
|---|
| 1421 | }
|
|---|
| 1422 | return CURLE_OK;
|
|---|
| 1423 | #endif /* CURL_SUPPORT_MAC_10_8 */
|
|---|
| 1424 | }
|
|---|
| 1425 | #endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
|
|---|
| 1426 | failf(data, "Secure Transport: cannot set SSL protocol");
|
|---|
| 1427 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 1428 | }
|
|---|
| 1429 |
|
|---|
| 1430 | static bool is_cipher_suite_strong(SSLCipherSuite suite_num)
|
|---|
| 1431 | {
|
|---|
| 1432 | for(size_t i = 0; i < NUM_OF_CIPHERS; ++i) {
|
|---|
| 1433 | if(ciphertable[i].num == suite_num) {
|
|---|
| 1434 | return !ciphertable[i].weak;
|
|---|
| 1435 | }
|
|---|
| 1436 | }
|
|---|
| 1437 | /* If the cipher is not in our list, assume it is a new one
|
|---|
| 1438 | and therefore strong. Previous implementation was the same,
|
|---|
| 1439 | if cipher suite is not in the list, it was considered strong enough */
|
|---|
| 1440 | return true;
|
|---|
| 1441 | }
|
|---|
| 1442 |
|
|---|
| 1443 | static bool is_separator(char c)
|
|---|
| 1444 | {
|
|---|
| 1445 | /* Return whether character is a cipher list separator. */
|
|---|
| 1446 | switch(c) {
|
|---|
| 1447 | case ' ':
|
|---|
| 1448 | case '\t':
|
|---|
| 1449 | case ':':
|
|---|
| 1450 | case ',':
|
|---|
| 1451 | case ';':
|
|---|
| 1452 | return true;
|
|---|
| 1453 | }
|
|---|
| 1454 | return false;
|
|---|
| 1455 | }
|
|---|
| 1456 |
|
|---|
| 1457 | static CURLcode sectransp_set_default_ciphers(struct Curl_easy *data,
|
|---|
| 1458 | SSLContextRef ssl_ctx)
|
|---|
| 1459 | {
|
|---|
| 1460 | size_t all_ciphers_count = 0UL, allowed_ciphers_count = 0UL, i;
|
|---|
| 1461 | SSLCipherSuite *all_ciphers = NULL, *allowed_ciphers = NULL;
|
|---|
| 1462 | OSStatus err = noErr;
|
|---|
| 1463 |
|
|---|
| 1464 | #if CURL_BUILD_MAC
|
|---|
| 1465 | int darwinver_maj = 0, darwinver_min = 0;
|
|---|
| 1466 |
|
|---|
| 1467 | GetDarwinVersionNumber(&darwinver_maj, &darwinver_min);
|
|---|
| 1468 | #endif /* CURL_BUILD_MAC */
|
|---|
| 1469 |
|
|---|
| 1470 | /* Disable cipher suites that ST supports but are not safe. These ciphers
|
|---|
| 1471 | are unlikely to be used in any case since ST gives other ciphers a much
|
|---|
| 1472 | higher priority, but it's probably better that we not connect at all than
|
|---|
| 1473 | to give the user a false sense of security if the server only supports
|
|---|
| 1474 | insecure ciphers. (Note: We don't care about SSLv2-only ciphers.) */
|
|---|
| 1475 | err = SSLGetNumberSupportedCiphers(ssl_ctx, &all_ciphers_count);
|
|---|
| 1476 | if(err != noErr) {
|
|---|
| 1477 | failf(data, "SSL: SSLGetNumberSupportedCiphers() failed: OSStatus %d",
|
|---|
| 1478 | err);
|
|---|
| 1479 | return CURLE_SSL_CIPHER;
|
|---|
| 1480 | }
|
|---|
| 1481 | all_ciphers = malloc(all_ciphers_count*sizeof(SSLCipherSuite));
|
|---|
| 1482 | if(!all_ciphers) {
|
|---|
| 1483 | failf(data, "SSL: Failed to allocate memory for all ciphers");
|
|---|
| 1484 | return CURLE_OUT_OF_MEMORY;
|
|---|
| 1485 | }
|
|---|
| 1486 | allowed_ciphers = malloc(all_ciphers_count*sizeof(SSLCipherSuite));
|
|---|
| 1487 | if(!allowed_ciphers) {
|
|---|
| 1488 | Curl_safefree(all_ciphers);
|
|---|
| 1489 | failf(data, "SSL: Failed to allocate memory for allowed ciphers");
|
|---|
| 1490 | return CURLE_OUT_OF_MEMORY;
|
|---|
| 1491 | }
|
|---|
| 1492 | err = SSLGetSupportedCiphers(ssl_ctx, all_ciphers,
|
|---|
| 1493 | &all_ciphers_count);
|
|---|
| 1494 | if(err != noErr) {
|
|---|
| 1495 | Curl_safefree(all_ciphers);
|
|---|
| 1496 | Curl_safefree(allowed_ciphers);
|
|---|
| 1497 | return CURLE_SSL_CIPHER;
|
|---|
| 1498 | }
|
|---|
| 1499 | for(i = 0UL ; i < all_ciphers_count ; i++) {
|
|---|
| 1500 | #if CURL_BUILD_MAC
|
|---|
| 1501 | /* There's a known bug in early versions of Mountain Lion where ST's ECC
|
|---|
| 1502 | ciphers (cipher suite 0xC001 through 0xC032) simply do not work.
|
|---|
| 1503 | Work around the problem here by disabling those ciphers if we are
|
|---|
| 1504 | running in an affected version of OS X. */
|
|---|
| 1505 | if(darwinver_maj == 12 && darwinver_min <= 3 &&
|
|---|
| 1506 | all_ciphers[i] >= 0xC001 && all_ciphers[i] <= 0xC032) {
|
|---|
| 1507 | continue;
|
|---|
| 1508 | }
|
|---|
| 1509 | #endif /* CURL_BUILD_MAC */
|
|---|
| 1510 | if(is_cipher_suite_strong(all_ciphers[i])) {
|
|---|
| 1511 | allowed_ciphers[allowed_ciphers_count++] = all_ciphers[i];
|
|---|
| 1512 | }
|
|---|
| 1513 | }
|
|---|
| 1514 | err = SSLSetEnabledCiphers(ssl_ctx, allowed_ciphers,
|
|---|
| 1515 | allowed_ciphers_count);
|
|---|
| 1516 | Curl_safefree(all_ciphers);
|
|---|
| 1517 | Curl_safefree(allowed_ciphers);
|
|---|
| 1518 | if(err != noErr) {
|
|---|
| 1519 | failf(data, "SSL: SSLSetEnabledCiphers() failed: OSStatus %d", err);
|
|---|
| 1520 | return CURLE_SSL_CIPHER;
|
|---|
| 1521 | }
|
|---|
| 1522 | return CURLE_OK;
|
|---|
| 1523 | }
|
|---|
| 1524 |
|
|---|
| 1525 | static CURLcode sectransp_set_selected_ciphers(struct Curl_easy *data,
|
|---|
| 1526 | SSLContextRef ssl_ctx,
|
|---|
| 1527 | const char *ciphers)
|
|---|
| 1528 | {
|
|---|
| 1529 | size_t ciphers_count = 0;
|
|---|
| 1530 | const char *cipher_start = ciphers;
|
|---|
| 1531 | OSStatus err = noErr;
|
|---|
| 1532 | SSLCipherSuite selected_ciphers[NUM_OF_CIPHERS];
|
|---|
| 1533 |
|
|---|
| 1534 | if(!ciphers)
|
|---|
| 1535 | return CURLE_OK;
|
|---|
| 1536 |
|
|---|
| 1537 | while(is_separator(*ciphers)) /* Skip initial separators. */
|
|---|
| 1538 | ciphers++;
|
|---|
| 1539 | if(!*ciphers)
|
|---|
| 1540 | return CURLE_OK;
|
|---|
| 1541 |
|
|---|
| 1542 | cipher_start = ciphers;
|
|---|
| 1543 | while(*cipher_start && ciphers_count < NUM_OF_CIPHERS) {
|
|---|
| 1544 | bool cipher_found = FALSE;
|
|---|
| 1545 | size_t cipher_len = 0;
|
|---|
| 1546 | const char *cipher_end = NULL;
|
|---|
| 1547 | bool tls_name = FALSE;
|
|---|
| 1548 |
|
|---|
| 1549 | /* Skip separators */
|
|---|
| 1550 | while(is_separator(*cipher_start))
|
|---|
| 1551 | cipher_start++;
|
|---|
| 1552 | if(*cipher_start == '\0') {
|
|---|
| 1553 | break;
|
|---|
| 1554 | }
|
|---|
| 1555 | /* Find last position of a cipher in the ciphers string */
|
|---|
| 1556 | cipher_end = cipher_start;
|
|---|
| 1557 | while (*cipher_end != '\0' && !is_separator(*cipher_end)) {
|
|---|
| 1558 | ++cipher_end;
|
|---|
| 1559 | }
|
|---|
| 1560 |
|
|---|
| 1561 | /* IANA cipher names start with the TLS_ or SSL_ prefix.
|
|---|
| 1562 | If the 4th symbol of the cipher is '_' we look for a cipher in the
|
|---|
| 1563 | table by its (TLS) name.
|
|---|
| 1564 | Otherwise, we try to match cipher by an alias. */
|
|---|
| 1565 | if(cipher_start[3] == '_') {
|
|---|
| 1566 | tls_name = TRUE;
|
|---|
| 1567 | }
|
|---|
| 1568 | /* Iterate through the cipher table and look for the cipher, starting
|
|---|
| 1569 | the cipher number 0x01 because the 0x00 is not the real cipher */
|
|---|
| 1570 | cipher_len = cipher_end - cipher_start;
|
|---|
| 1571 | for(size_t i = 1; i < NUM_OF_CIPHERS; ++i) {
|
|---|
| 1572 | const char *table_cipher_name = NULL;
|
|---|
| 1573 | if(tls_name) {
|
|---|
| 1574 | table_cipher_name = ciphertable[i].name;
|
|---|
| 1575 | }
|
|---|
| 1576 | else if(ciphertable[i].alias_name) {
|
|---|
| 1577 | table_cipher_name = ciphertable[i].alias_name;
|
|---|
| 1578 | }
|
|---|
| 1579 | else {
|
|---|
| 1580 | continue;
|
|---|
| 1581 | }
|
|---|
| 1582 | /* Compare a part of the string between separators with a cipher name
|
|---|
| 1583 | in the table and make sure we matched the whole cipher name */
|
|---|
| 1584 | if(strncmp(cipher_start, table_cipher_name, cipher_len) == 0
|
|---|
| 1585 | && table_cipher_name[cipher_len] == '\0') {
|
|---|
| 1586 | selected_ciphers[ciphers_count] = ciphertable[i].num;
|
|---|
| 1587 | ++ciphers_count;
|
|---|
| 1588 | cipher_found = TRUE;
|
|---|
| 1589 | break;
|
|---|
| 1590 | }
|
|---|
| 1591 | }
|
|---|
| 1592 | if(!cipher_found) {
|
|---|
| 1593 | /* It would be more human-readable if we print the wrong cipher name
|
|---|
| 1594 | but we don't want to allocate any additional memory and copy the name
|
|---|
| 1595 | into it, then add it into logs.
|
|---|
| 1596 | Also, we do not modify an original cipher list string. We just point
|
|---|
| 1597 | to positions where cipher starts and ends in the cipher list string.
|
|---|
| 1598 | The message is a bit cryptic and longer than necessary but can be
|
|---|
| 1599 | understood by humans. */
|
|---|
| 1600 | failf(data, "SSL: cipher string \"%s\" contains unsupported cipher name"
|
|---|
| 1601 | " starting position %d and ending position %d",
|
|---|
| 1602 | ciphers,
|
|---|
| 1603 | cipher_start - ciphers,
|
|---|
| 1604 | cipher_end - ciphers);
|
|---|
| 1605 | return CURLE_SSL_CIPHER;
|
|---|
| 1606 | }
|
|---|
| 1607 | if(*cipher_end) {
|
|---|
| 1608 | cipher_start = cipher_end + 1;
|
|---|
| 1609 | }
|
|---|
| 1610 | else {
|
|---|
| 1611 | break;
|
|---|
| 1612 | }
|
|---|
| 1613 | }
|
|---|
| 1614 | /* All cipher suites in the list are found. Report to logs as-is */
|
|---|
| 1615 | infof(data, "SSL: Setting cipher suites list \"%s\"", ciphers);
|
|---|
| 1616 |
|
|---|
| 1617 | err = SSLSetEnabledCiphers(ssl_ctx, selected_ciphers, ciphers_count);
|
|---|
| 1618 | if(err != noErr) {
|
|---|
| 1619 | failf(data, "SSL: SSLSetEnabledCiphers() failed: OSStatus %d", err);
|
|---|
| 1620 | return CURLE_SSL_CIPHER;
|
|---|
| 1621 | }
|
|---|
| 1622 | return CURLE_OK;
|
|---|
| 1623 | }
|
|---|
| 1624 |
|
|---|
| 1625 | static CURLcode sectransp_connect_step1(struct Curl_cfilter *cf,
|
|---|
| 1626 | struct Curl_easy *data)
|
|---|
| 1627 | {
|
|---|
| 1628 | struct ssl_connect_data *connssl = cf->ctx;
|
|---|
| 1629 | struct ssl_backend_data *backend = connssl->backend;
|
|---|
| 1630 | struct ssl_primary_config *conn_config = Curl_ssl_cf_get_primary_config(cf);
|
|---|
| 1631 | struct ssl_config_data *ssl_config = Curl_ssl_cf_get_config(cf, data);
|
|---|
| 1632 | const struct curl_blob *ssl_cablob = conn_config->ca_info_blob;
|
|---|
| 1633 | const char * const ssl_cafile =
|
|---|
| 1634 | /* CURLOPT_CAINFO_BLOB overrides CURLOPT_CAINFO */
|
|---|
| 1635 | (ssl_cablob ? NULL : conn_config->CAfile);
|
|---|
| 1636 | const bool verifypeer = conn_config->verifypeer;
|
|---|
| 1637 | char * const ssl_cert = ssl_config->primary.clientcert;
|
|---|
| 1638 | const struct curl_blob *ssl_cert_blob = ssl_config->primary.cert_blob;
|
|---|
| 1639 | #ifdef ENABLE_IPV6
|
|---|
| 1640 | struct in6_addr addr;
|
|---|
| 1641 | #else
|
|---|
| 1642 | struct in_addr addr;
|
|---|
| 1643 | #endif /* ENABLE_IPV6 */
|
|---|
| 1644 | char *ciphers;
|
|---|
| 1645 | OSStatus err = noErr;
|
|---|
| 1646 | #if CURL_BUILD_MAC
|
|---|
| 1647 | int darwinver_maj = 0, darwinver_min = 0;
|
|---|
| 1648 |
|
|---|
| 1649 | DEBUGASSERT(backend);
|
|---|
| 1650 |
|
|---|
| 1651 | DEBUGF(LOG_CF(data, cf, "connect_step1"));
|
|---|
| 1652 | GetDarwinVersionNumber(&darwinver_maj, &darwinver_min);
|
|---|
| 1653 | #endif /* CURL_BUILD_MAC */
|
|---|
| 1654 |
|
|---|
| 1655 | #if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
|
|---|
| 1656 | if(SSLCreateContext) { /* use the newer API if available */
|
|---|
| 1657 | if(backend->ssl_ctx)
|
|---|
| 1658 | CFRelease(backend->ssl_ctx);
|
|---|
| 1659 | backend->ssl_ctx = SSLCreateContext(NULL, kSSLClientSide, kSSLStreamType);
|
|---|
| 1660 | if(!backend->ssl_ctx) {
|
|---|
| 1661 | failf(data, "SSL: couldn't create a context");
|
|---|
| 1662 | return CURLE_OUT_OF_MEMORY;
|
|---|
| 1663 | }
|
|---|
| 1664 | }
|
|---|
| 1665 | else {
|
|---|
| 1666 | /* The old ST API does not exist under iOS, so don't compile it: */
|
|---|
| 1667 | #if CURL_SUPPORT_MAC_10_8
|
|---|
| 1668 | if(backend->ssl_ctx)
|
|---|
| 1669 | (void)SSLDisposeContext(backend->ssl_ctx);
|
|---|
| 1670 | err = SSLNewContext(false, &(backend->ssl_ctx));
|
|---|
| 1671 | if(err != noErr) {
|
|---|
| 1672 | failf(data, "SSL: couldn't create a context: OSStatus %d", err);
|
|---|
| 1673 | return CURLE_OUT_OF_MEMORY;
|
|---|
| 1674 | }
|
|---|
| 1675 | #endif /* CURL_SUPPORT_MAC_10_8 */
|
|---|
| 1676 | }
|
|---|
| 1677 | #else
|
|---|
| 1678 | if(backend->ssl_ctx)
|
|---|
| 1679 | (void)SSLDisposeContext(backend->ssl_ctx);
|
|---|
| 1680 | err = SSLNewContext(false, &(backend->ssl_ctx));
|
|---|
| 1681 | if(err != noErr) {
|
|---|
| 1682 | failf(data, "SSL: couldn't create a context: OSStatus %d", err);
|
|---|
| 1683 | return CURLE_OUT_OF_MEMORY;
|
|---|
| 1684 | }
|
|---|
| 1685 | #endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
|
|---|
| 1686 | backend->ssl_write_buffered_length = 0UL; /* reset buffered write length */
|
|---|
| 1687 |
|
|---|
| 1688 | /* check to see if we've been told to use an explicit SSL/TLS version */
|
|---|
| 1689 | #if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
|
|---|
| 1690 | if(SSLSetProtocolVersionMax) {
|
|---|
| 1691 | switch(conn_config->version) {
|
|---|
| 1692 | case CURL_SSLVERSION_TLSv1:
|
|---|
| 1693 | (void)SSLSetProtocolVersionMin(backend->ssl_ctx, kTLSProtocol1);
|
|---|
| 1694 | #if (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) && HAVE_BUILTIN_AVAILABLE == 1
|
|---|
| 1695 | if(__builtin_available(macOS 10.13, iOS 11.0, *)) {
|
|---|
| 1696 | (void)SSLSetProtocolVersionMax(backend->ssl_ctx, kTLSProtocol13);
|
|---|
| 1697 | }
|
|---|
| 1698 | else {
|
|---|
| 1699 | (void)SSLSetProtocolVersionMax(backend->ssl_ctx, kTLSProtocol12);
|
|---|
| 1700 | }
|
|---|
| 1701 | #else
|
|---|
| 1702 | (void)SSLSetProtocolVersionMax(backend->ssl_ctx, kTLSProtocol12);
|
|---|
| 1703 | #endif /* (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) &&
|
|---|
| 1704 | HAVE_BUILTIN_AVAILABLE == 1 */
|
|---|
| 1705 | break;
|
|---|
| 1706 | case CURL_SSLVERSION_DEFAULT:
|
|---|
| 1707 | case CURL_SSLVERSION_TLSv1_0:
|
|---|
| 1708 | case CURL_SSLVERSION_TLSv1_1:
|
|---|
| 1709 | case CURL_SSLVERSION_TLSv1_2:
|
|---|
| 1710 | case CURL_SSLVERSION_TLSv1_3:
|
|---|
| 1711 | {
|
|---|
| 1712 | CURLcode result = set_ssl_version_min_max(cf, data);
|
|---|
| 1713 | if(result != CURLE_OK)
|
|---|
| 1714 | return result;
|
|---|
| 1715 | break;
|
|---|
| 1716 | }
|
|---|
| 1717 | case CURL_SSLVERSION_SSLv3:
|
|---|
| 1718 | case CURL_SSLVERSION_SSLv2:
|
|---|
| 1719 | failf(data, "SSL versions not supported");
|
|---|
| 1720 | return CURLE_NOT_BUILT_IN;
|
|---|
| 1721 | default:
|
|---|
| 1722 | failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
|
|---|
| 1723 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 1724 | }
|
|---|
| 1725 | }
|
|---|
| 1726 | else {
|
|---|
| 1727 | #if CURL_SUPPORT_MAC_10_8
|
|---|
| 1728 | (void)SSLSetProtocolVersionEnabled(backend->ssl_ctx,
|
|---|
| 1729 | kSSLProtocolAll,
|
|---|
| 1730 | false);
|
|---|
| 1731 | switch(conn_config->version) {
|
|---|
| 1732 | case CURL_SSLVERSION_DEFAULT:
|
|---|
| 1733 | case CURL_SSLVERSION_TLSv1:
|
|---|
| 1734 | (void)SSLSetProtocolVersionEnabled(backend->ssl_ctx,
|
|---|
| 1735 | kTLSProtocol1,
|
|---|
| 1736 | true);
|
|---|
| 1737 | (void)SSLSetProtocolVersionEnabled(backend->ssl_ctx,
|
|---|
| 1738 | kTLSProtocol11,
|
|---|
| 1739 | true);
|
|---|
| 1740 | (void)SSLSetProtocolVersionEnabled(backend->ssl_ctx,
|
|---|
| 1741 | kTLSProtocol12,
|
|---|
| 1742 | true);
|
|---|
| 1743 | break;
|
|---|
| 1744 | case CURL_SSLVERSION_TLSv1_0:
|
|---|
| 1745 | case CURL_SSLVERSION_TLSv1_1:
|
|---|
| 1746 | case CURL_SSLVERSION_TLSv1_2:
|
|---|
| 1747 | case CURL_SSLVERSION_TLSv1_3:
|
|---|
| 1748 | {
|
|---|
| 1749 | CURLcode result = set_ssl_version_min_max(cf, data);
|
|---|
| 1750 | if(result != CURLE_OK)
|
|---|
| 1751 | return result;
|
|---|
| 1752 | break;
|
|---|
| 1753 | }
|
|---|
| 1754 | case CURL_SSLVERSION_SSLv3:
|
|---|
| 1755 | case CURL_SSLVERSION_SSLv2:
|
|---|
| 1756 | failf(data, "SSL versions not supported");
|
|---|
| 1757 | return CURLE_NOT_BUILT_IN;
|
|---|
| 1758 | default:
|
|---|
| 1759 | failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
|
|---|
| 1760 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 1761 | }
|
|---|
| 1762 | #endif /* CURL_SUPPORT_MAC_10_8 */
|
|---|
| 1763 | }
|
|---|
| 1764 | #else
|
|---|
| 1765 | if(conn_config->version_max != CURL_SSLVERSION_MAX_NONE) {
|
|---|
| 1766 | failf(data, "Your version of the OS does not support to set maximum"
|
|---|
| 1767 | " SSL/TLS version");
|
|---|
| 1768 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 1769 | }
|
|---|
| 1770 | (void)SSLSetProtocolVersionEnabled(backend->ssl_ctx, kSSLProtocolAll, false);
|
|---|
| 1771 | switch(conn_config->version) {
|
|---|
| 1772 | case CURL_SSLVERSION_DEFAULT:
|
|---|
| 1773 | case CURL_SSLVERSION_TLSv1:
|
|---|
| 1774 | case CURL_SSLVERSION_TLSv1_0:
|
|---|
| 1775 | (void)SSLSetProtocolVersionEnabled(backend->ssl_ctx,
|
|---|
| 1776 | kTLSProtocol1,
|
|---|
| 1777 | true);
|
|---|
| 1778 | break;
|
|---|
| 1779 | case CURL_SSLVERSION_TLSv1_1:
|
|---|
| 1780 | failf(data, "Your version of the OS does not support TLSv1.1");
|
|---|
| 1781 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 1782 | case CURL_SSLVERSION_TLSv1_2:
|
|---|
| 1783 | failf(data, "Your version of the OS does not support TLSv1.2");
|
|---|
| 1784 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 1785 | case CURL_SSLVERSION_TLSv1_3:
|
|---|
| 1786 | failf(data, "Your version of the OS does not support TLSv1.3");
|
|---|
| 1787 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 1788 | case CURL_SSLVERSION_SSLv2:
|
|---|
| 1789 | case CURL_SSLVERSION_SSLv3:
|
|---|
| 1790 | failf(data, "SSL versions not supported");
|
|---|
| 1791 | return CURLE_NOT_BUILT_IN;
|
|---|
| 1792 | default:
|
|---|
| 1793 | failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
|
|---|
| 1794 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 1795 | }
|
|---|
| 1796 | #endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
|
|---|
| 1797 |
|
|---|
| 1798 | #if (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) && HAVE_BUILTIN_AVAILABLE == 1
|
|---|
| 1799 | if(connssl->alpn) {
|
|---|
| 1800 | if(__builtin_available(macOS 10.13.4, iOS 11, tvOS 11, *)) {
|
|---|
| 1801 | struct alpn_proto_buf proto;
|
|---|
| 1802 | size_t i;
|
|---|
| 1803 | CFStringRef cstr;
|
|---|
| 1804 | CFMutableArrayRef alpnArr = CFArrayCreateMutable(NULL, 0,
|
|---|
| 1805 | &kCFTypeArrayCallBacks);
|
|---|
| 1806 | for(i = 0; i < connssl->alpn->count; ++i) {
|
|---|
| 1807 | cstr = CFStringCreateWithCString(NULL, connssl->alpn->entries[i],
|
|---|
| 1808 | kCFStringEncodingUTF8);
|
|---|
| 1809 | if(!cstr)
|
|---|
| 1810 | return CURLE_OUT_OF_MEMORY;
|
|---|
| 1811 | CFArrayAppendValue(alpnArr, cstr);
|
|---|
| 1812 | CFRelease(cstr);
|
|---|
| 1813 | }
|
|---|
| 1814 | err = SSLSetALPNProtocols(backend->ssl_ctx, alpnArr);
|
|---|
| 1815 | if(err != noErr)
|
|---|
| 1816 | infof(data, "WARNING: failed to set ALPN protocols; OSStatus %d",
|
|---|
| 1817 | err);
|
|---|
| 1818 | CFRelease(alpnArr);
|
|---|
| 1819 | Curl_alpn_to_proto_str(&proto, connssl->alpn);
|
|---|
| 1820 | infof(data, VTLS_INFOF_ALPN_OFFER_1STR, proto.data);
|
|---|
| 1821 | }
|
|---|
| 1822 | }
|
|---|
| 1823 | #endif
|
|---|
| 1824 |
|
|---|
| 1825 | if(ssl_config->key) {
|
|---|
| 1826 | infof(data, "WARNING: SSL: CURLOPT_SSLKEY is ignored by Secure "
|
|---|
| 1827 | "Transport. The private key must be in the Keychain.");
|
|---|
| 1828 | }
|
|---|
| 1829 |
|
|---|
| 1830 | if(ssl_cert || ssl_cert_blob) {
|
|---|
| 1831 | bool is_cert_data = ssl_cert_blob != NULL;
|
|---|
| 1832 | bool is_cert_file = (!is_cert_data) && is_file(ssl_cert);
|
|---|
| 1833 | SecIdentityRef cert_and_key = NULL;
|
|---|
| 1834 |
|
|---|
| 1835 | /* User wants to authenticate with a client cert. Look for it. Assume that
|
|---|
| 1836 | the user wants to use an identity loaded from the Keychain. If not, try
|
|---|
| 1837 | it as a file on disk */
|
|---|
| 1838 |
|
|---|
| 1839 | if(!is_cert_data)
|
|---|
| 1840 | err = CopyIdentityWithLabel(ssl_cert, &cert_and_key);
|
|---|
| 1841 | else
|
|---|
| 1842 | err = !noErr;
|
|---|
| 1843 | if((err != noErr) && (is_cert_file || is_cert_data)) {
|
|---|
| 1844 | if(!ssl_config->cert_type)
|
|---|
| 1845 | infof(data, "SSL: Certificate type not set, assuming "
|
|---|
| 1846 | "PKCS#12 format.");
|
|---|
| 1847 | else if(!strcasecompare(ssl_config->cert_type, "P12")) {
|
|---|
| 1848 | failf(data, "SSL: The Security framework only supports "
|
|---|
| 1849 | "loading identities that are in PKCS#12 format.");
|
|---|
| 1850 | return CURLE_SSL_CERTPROBLEM;
|
|---|
| 1851 | }
|
|---|
| 1852 |
|
|---|
| 1853 | err = CopyIdentityFromPKCS12File(ssl_cert, ssl_cert_blob,
|
|---|
| 1854 | ssl_config->key_passwd,
|
|---|
| 1855 | &cert_and_key);
|
|---|
| 1856 | }
|
|---|
| 1857 |
|
|---|
| 1858 | if(err == noErr && cert_and_key) {
|
|---|
| 1859 | SecCertificateRef cert = NULL;
|
|---|
| 1860 | CFTypeRef certs_c[1];
|
|---|
| 1861 | CFArrayRef certs;
|
|---|
| 1862 |
|
|---|
| 1863 | /* If we found one, print it out: */
|
|---|
| 1864 | err = SecIdentityCopyCertificate(cert_and_key, &cert);
|
|---|
| 1865 | if(err == noErr) {
|
|---|
| 1866 | char *certp;
|
|---|
| 1867 | CURLcode result = CopyCertSubject(data, cert, &certp);
|
|---|
| 1868 | if(!result) {
|
|---|
| 1869 | infof(data, "Client certificate: %s", certp);
|
|---|
| 1870 | free(certp);
|
|---|
| 1871 | }
|
|---|
| 1872 |
|
|---|
| 1873 | CFRelease(cert);
|
|---|
| 1874 | if(result == CURLE_PEER_FAILED_VERIFICATION)
|
|---|
| 1875 | return CURLE_SSL_CERTPROBLEM;
|
|---|
| 1876 | if(result)
|
|---|
| 1877 | return result;
|
|---|
| 1878 | }
|
|---|
| 1879 | certs_c[0] = cert_and_key;
|
|---|
| 1880 | certs = CFArrayCreate(NULL, (const void **)certs_c, 1L,
|
|---|
| 1881 | &kCFTypeArrayCallBacks);
|
|---|
| 1882 | err = SSLSetCertificate(backend->ssl_ctx, certs);
|
|---|
| 1883 | if(certs)
|
|---|
| 1884 | CFRelease(certs);
|
|---|
| 1885 | if(err != noErr) {
|
|---|
| 1886 | failf(data, "SSL: SSLSetCertificate() failed: OSStatus %d", err);
|
|---|
| 1887 | return CURLE_SSL_CERTPROBLEM;
|
|---|
| 1888 | }
|
|---|
| 1889 | CFRelease(cert_and_key);
|
|---|
| 1890 | }
|
|---|
| 1891 | else {
|
|---|
| 1892 | const char *cert_showfilename_error =
|
|---|
| 1893 | is_cert_data ? "(memory blob)" : ssl_cert;
|
|---|
| 1894 |
|
|---|
| 1895 | switch(err) {
|
|---|
| 1896 | case errSecAuthFailed: case -25264: /* errSecPkcs12VerifyFailure */
|
|---|
| 1897 | failf(data, "SSL: Incorrect password for the certificate \"%s\" "
|
|---|
| 1898 | "and its private key.", cert_showfilename_error);
|
|---|
| 1899 | break;
|
|---|
| 1900 | case -26275: /* errSecDecode */ case -25257: /* errSecUnknownFormat */
|
|---|
| 1901 | failf(data, "SSL: Couldn't make sense of the data in the "
|
|---|
| 1902 | "certificate \"%s\" and its private key.",
|
|---|
| 1903 | cert_showfilename_error);
|
|---|
| 1904 | break;
|
|---|
| 1905 | case -25260: /* errSecPassphraseRequired */
|
|---|
| 1906 | failf(data, "SSL The certificate \"%s\" requires a password.",
|
|---|
| 1907 | cert_showfilename_error);
|
|---|
| 1908 | break;
|
|---|
| 1909 | case errSecItemNotFound:
|
|---|
| 1910 | failf(data, "SSL: Can't find the certificate \"%s\" and its private "
|
|---|
| 1911 | "key in the Keychain.", cert_showfilename_error);
|
|---|
| 1912 | break;
|
|---|
| 1913 | default:
|
|---|
| 1914 | failf(data, "SSL: Can't load the certificate \"%s\" and its private "
|
|---|
| 1915 | "key: OSStatus %d", cert_showfilename_error, err);
|
|---|
| 1916 | break;
|
|---|
| 1917 | }
|
|---|
| 1918 | return CURLE_SSL_CERTPROBLEM;
|
|---|
| 1919 | }
|
|---|
| 1920 | }
|
|---|
| 1921 |
|
|---|
| 1922 | /* SSL always tries to verify the peer, this only says whether it should
|
|---|
| 1923 | * fail to connect if the verification fails, or if it should continue
|
|---|
| 1924 | * anyway. In the latter case the result of the verification is checked with
|
|---|
| 1925 | * SSL_get_verify_result() below. */
|
|---|
| 1926 | #if CURL_BUILD_MAC_10_6 || CURL_BUILD_IOS
|
|---|
| 1927 | /* Snow Leopard introduced the SSLSetSessionOption() function, but due to
|
|---|
| 1928 | a library bug with the way the kSSLSessionOptionBreakOnServerAuth flag
|
|---|
| 1929 | works, it doesn't work as expected under Snow Leopard, Lion or
|
|---|
| 1930 | Mountain Lion.
|
|---|
| 1931 | So we need to call SSLSetEnableCertVerify() on those older cats in order
|
|---|
| 1932 | to disable certificate validation if the user turned that off.
|
|---|
| 1933 | (SecureTransport will always validate the certificate chain by
|
|---|
| 1934 | default.)
|
|---|
| 1935 | Note:
|
|---|
| 1936 | Darwin 11.x.x is Lion (10.7)
|
|---|
| 1937 | Darwin 12.x.x is Mountain Lion (10.8)
|
|---|
| 1938 | Darwin 13.x.x is Mavericks (10.9)
|
|---|
| 1939 | Darwin 14.x.x is Yosemite (10.10)
|
|---|
| 1940 | Darwin 15.x.x is El Capitan (10.11)
|
|---|
| 1941 | */
|
|---|
| 1942 | #if CURL_BUILD_MAC
|
|---|
| 1943 | if(SSLSetSessionOption && darwinver_maj >= 13) {
|
|---|
| 1944 | #else
|
|---|
| 1945 | if(SSLSetSessionOption) {
|
|---|
| 1946 | #endif /* CURL_BUILD_MAC */
|
|---|
| 1947 | bool break_on_auth = !conn_config->verifypeer ||
|
|---|
| 1948 | ssl_cafile || ssl_cablob;
|
|---|
| 1949 | err = SSLSetSessionOption(backend->ssl_ctx,
|
|---|
| 1950 | kSSLSessionOptionBreakOnServerAuth,
|
|---|
| 1951 | break_on_auth);
|
|---|
| 1952 | if(err != noErr) {
|
|---|
| 1953 | failf(data, "SSL: SSLSetSessionOption() failed: OSStatus %d", err);
|
|---|
| 1954 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 1955 | }
|
|---|
| 1956 | }
|
|---|
| 1957 | else {
|
|---|
| 1958 | #if CURL_SUPPORT_MAC_10_8
|
|---|
| 1959 | err = SSLSetEnableCertVerify(backend->ssl_ctx,
|
|---|
| 1960 | conn_config->verifypeer?true:false);
|
|---|
| 1961 | if(err != noErr) {
|
|---|
| 1962 | failf(data, "SSL: SSLSetEnableCertVerify() failed: OSStatus %d", err);
|
|---|
| 1963 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 1964 | }
|
|---|
| 1965 | #endif /* CURL_SUPPORT_MAC_10_8 */
|
|---|
| 1966 | }
|
|---|
| 1967 | #else
|
|---|
| 1968 | err = SSLSetEnableCertVerify(backend->ssl_ctx,
|
|---|
| 1969 | conn_config->verifypeer?true:false);
|
|---|
| 1970 | if(err != noErr) {
|
|---|
| 1971 | failf(data, "SSL: SSLSetEnableCertVerify() failed: OSStatus %d", err);
|
|---|
| 1972 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 1973 | }
|
|---|
| 1974 | #endif /* CURL_BUILD_MAC_10_6 || CURL_BUILD_IOS */
|
|---|
| 1975 |
|
|---|
| 1976 | if((ssl_cafile || ssl_cablob) && verifypeer) {
|
|---|
| 1977 | bool is_cert_data = ssl_cablob != NULL;
|
|---|
| 1978 | bool is_cert_file = (!is_cert_data) && is_file(ssl_cafile);
|
|---|
| 1979 |
|
|---|
| 1980 | if(!(is_cert_file || is_cert_data)) {
|
|---|
| 1981 | failf(data, "SSL: can't load CA certificate file %s",
|
|---|
| 1982 | ssl_cafile ? ssl_cafile : "(blob memory)");
|
|---|
| 1983 | return CURLE_SSL_CACERT_BADFILE;
|
|---|
| 1984 | }
|
|---|
| 1985 | }
|
|---|
| 1986 |
|
|---|
| 1987 | /* Configure hostname check. SNI is used if available.
|
|---|
| 1988 | * Both hostname check and SNI require SSLSetPeerDomainName().
|
|---|
| 1989 | * Also: the verifyhost setting influences SNI usage */
|
|---|
| 1990 | if(conn_config->verifyhost) {
|
|---|
| 1991 | size_t snilen;
|
|---|
| 1992 | char *snihost = Curl_ssl_snihost(data, connssl->hostname, &snilen);
|
|---|
| 1993 | if(!snihost) {
|
|---|
| 1994 | failf(data, "Failed to set SNI");
|
|---|
| 1995 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 1996 | }
|
|---|
| 1997 | err = SSLSetPeerDomainName(backend->ssl_ctx, snihost, snilen);
|
|---|
| 1998 |
|
|---|
| 1999 | if(err != noErr) {
|
|---|
| 2000 | failf(data, "SSL: SSLSetPeerDomainName() failed: OSStatus %d",
|
|---|
| 2001 | err);
|
|---|
| 2002 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 2003 | }
|
|---|
| 2004 |
|
|---|
| 2005 | if((Curl_inet_pton(AF_INET, connssl->hostname, &addr))
|
|---|
| 2006 | #ifdef ENABLE_IPV6
|
|---|
| 2007 | || (Curl_inet_pton(AF_INET6, connssl->hostname, &addr))
|
|---|
| 2008 | #endif
|
|---|
| 2009 | ) {
|
|---|
| 2010 | infof(data, "WARNING: using IP address, SNI is being disabled by "
|
|---|
| 2011 | "the OS.");
|
|---|
| 2012 | }
|
|---|
| 2013 | }
|
|---|
| 2014 | else {
|
|---|
| 2015 | infof(data, "WARNING: disabling hostname validation also disables SNI.");
|
|---|
| 2016 | }
|
|---|
| 2017 |
|
|---|
| 2018 | ciphers = conn_config->cipher_list;
|
|---|
| 2019 | if(ciphers) {
|
|---|
| 2020 | err = sectransp_set_selected_ciphers(data, backend->ssl_ctx, ciphers);
|
|---|
| 2021 | }
|
|---|
| 2022 | else {
|
|---|
| 2023 | err = sectransp_set_default_ciphers(data, backend->ssl_ctx);
|
|---|
| 2024 | }
|
|---|
| 2025 | if(err != noErr) {
|
|---|
| 2026 | failf(data, "SSL: Unable to set ciphers for SSL/TLS handshake. "
|
|---|
| 2027 | "Error code: %d", err);
|
|---|
| 2028 | return CURLE_SSL_CIPHER;
|
|---|
| 2029 | }
|
|---|
| 2030 |
|
|---|
| 2031 | #if CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7
|
|---|
| 2032 | /* We want to enable 1/n-1 when using a CBC cipher unless the user
|
|---|
| 2033 | specifically doesn't want us doing that: */
|
|---|
| 2034 | if(SSLSetSessionOption) {
|
|---|
| 2035 | SSLSetSessionOption(backend->ssl_ctx, kSSLSessionOptionSendOneByteRecord,
|
|---|
| 2036 | !ssl_config->enable_beast);
|
|---|
| 2037 | SSLSetSessionOption(backend->ssl_ctx, kSSLSessionOptionFalseStart,
|
|---|
| 2038 | ssl_config->falsestart); /* false start support */
|
|---|
| 2039 | }
|
|---|
| 2040 | #endif /* CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7 */
|
|---|
| 2041 |
|
|---|
| 2042 | /* Check if there's a cached ID we can/should use here! */
|
|---|
| 2043 | if(ssl_config->primary.sessionid) {
|
|---|
| 2044 | char *ssl_sessionid;
|
|---|
| 2045 | size_t ssl_sessionid_len;
|
|---|
| 2046 |
|
|---|
| 2047 | Curl_ssl_sessionid_lock(data);
|
|---|
| 2048 | if(!Curl_ssl_getsessionid(cf, data, (void **)&ssl_sessionid,
|
|---|
| 2049 | &ssl_sessionid_len)) {
|
|---|
| 2050 | /* we got a session id, use it! */
|
|---|
| 2051 | err = SSLSetPeerID(backend->ssl_ctx, ssl_sessionid, ssl_sessionid_len);
|
|---|
| 2052 | Curl_ssl_sessionid_unlock(data);
|
|---|
| 2053 | if(err != noErr) {
|
|---|
| 2054 | failf(data, "SSL: SSLSetPeerID() failed: OSStatus %d", err);
|
|---|
| 2055 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 2056 | }
|
|---|
| 2057 | /* Informational message */
|
|---|
| 2058 | infof(data, "SSL re-using session ID");
|
|---|
| 2059 | }
|
|---|
| 2060 | /* If there isn't one, then let's make one up! This has to be done prior
|
|---|
| 2061 | to starting the handshake. */
|
|---|
| 2062 | else {
|
|---|
| 2063 | CURLcode result;
|
|---|
| 2064 | ssl_sessionid =
|
|---|
| 2065 | aprintf("%s:%d:%d:%s:%d",
|
|---|
| 2066 | ssl_cafile ? ssl_cafile : "(blob memory)",
|
|---|
| 2067 | verifypeer, conn_config->verifyhost, connssl->hostname,
|
|---|
| 2068 | connssl->port);
|
|---|
| 2069 | ssl_sessionid_len = strlen(ssl_sessionid);
|
|---|
| 2070 |
|
|---|
| 2071 | err = SSLSetPeerID(backend->ssl_ctx, ssl_sessionid, ssl_sessionid_len);
|
|---|
| 2072 | if(err != noErr) {
|
|---|
| 2073 | Curl_ssl_sessionid_unlock(data);
|
|---|
| 2074 | failf(data, "SSL: SSLSetPeerID() failed: OSStatus %d", err);
|
|---|
| 2075 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 2076 | }
|
|---|
| 2077 |
|
|---|
| 2078 | result = Curl_ssl_addsessionid(cf, data, ssl_sessionid,
|
|---|
| 2079 | ssl_sessionid_len, NULL);
|
|---|
| 2080 | Curl_ssl_sessionid_unlock(data);
|
|---|
| 2081 | if(result) {
|
|---|
| 2082 | failf(data, "failed to store ssl session");
|
|---|
| 2083 | return result;
|
|---|
| 2084 | }
|
|---|
| 2085 | }
|
|---|
| 2086 | }
|
|---|
| 2087 |
|
|---|
| 2088 | err = SSLSetIOFuncs(backend->ssl_ctx, bio_cf_in_read, bio_cf_out_write);
|
|---|
| 2089 | if(err != noErr) {
|
|---|
| 2090 | failf(data, "SSL: SSLSetIOFuncs() failed: OSStatus %d", err);
|
|---|
| 2091 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 2092 | }
|
|---|
| 2093 |
|
|---|
| 2094 | err = SSLSetConnection(backend->ssl_ctx, cf);
|
|---|
| 2095 | if(err != noErr) {
|
|---|
| 2096 | failf(data, "SSL: SSLSetConnection() failed: %d", err);
|
|---|
| 2097 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 2098 | }
|
|---|
| 2099 |
|
|---|
| 2100 | connssl->connecting_state = ssl_connect_2;
|
|---|
| 2101 | return CURLE_OK;
|
|---|
| 2102 | }
|
|---|
| 2103 |
|
|---|
| 2104 | static long pem_to_der(const char *in, unsigned char **out, size_t *outlen)
|
|---|
| 2105 | {
|
|---|
| 2106 | char *sep_start, *sep_end, *cert_start, *cert_end;
|
|---|
| 2107 | size_t i, j, err;
|
|---|
| 2108 | size_t len;
|
|---|
| 2109 | unsigned char *b64;
|
|---|
| 2110 |
|
|---|
| 2111 | /* Jump through the separators at the beginning of the certificate. */
|
|---|
| 2112 | sep_start = strstr(in, "-----");
|
|---|
| 2113 | if(!sep_start)
|
|---|
| 2114 | return 0;
|
|---|
| 2115 | cert_start = strstr(sep_start + 1, "-----");
|
|---|
| 2116 | if(!cert_start)
|
|---|
| 2117 | return -1;
|
|---|
| 2118 |
|
|---|
| 2119 | cert_start += 5;
|
|---|
| 2120 |
|
|---|
| 2121 | /* Find separator after the end of the certificate. */
|
|---|
| 2122 | cert_end = strstr(cert_start, "-----");
|
|---|
| 2123 | if(!cert_end)
|
|---|
| 2124 | return -1;
|
|---|
| 2125 |
|
|---|
| 2126 | sep_end = strstr(cert_end + 1, "-----");
|
|---|
| 2127 | if(!sep_end)
|
|---|
| 2128 | return -1;
|
|---|
| 2129 | sep_end += 5;
|
|---|
| 2130 |
|
|---|
| 2131 | len = cert_end - cert_start;
|
|---|
| 2132 | b64 = malloc(len + 1);
|
|---|
| 2133 | if(!b64)
|
|---|
| 2134 | return -1;
|
|---|
| 2135 |
|
|---|
| 2136 | /* Create base64 string without linefeeds. */
|
|---|
| 2137 | for(i = 0, j = 0; i < len; i++) {
|
|---|
| 2138 | if(cert_start[i] != '\r' && cert_start[i] != '\n')
|
|---|
| 2139 | b64[j++] = cert_start[i];
|
|---|
| 2140 | }
|
|---|
| 2141 | b64[j] = '\0';
|
|---|
| 2142 |
|
|---|
| 2143 | err = Curl_base64_decode((const char *)b64, out, outlen);
|
|---|
| 2144 | free(b64);
|
|---|
| 2145 | if(err) {
|
|---|
| 2146 | free(*out);
|
|---|
| 2147 | return -1;
|
|---|
| 2148 | }
|
|---|
| 2149 |
|
|---|
| 2150 | return sep_end - in;
|
|---|
| 2151 | }
|
|---|
| 2152 |
|
|---|
| 2153 | #define MAX_CERTS_SIZE (50*1024*1024) /* arbitrary - to catch mistakes */
|
|---|
| 2154 |
|
|---|
| 2155 | static int read_cert(const char *file, unsigned char **out, size_t *outlen)
|
|---|
| 2156 | {
|
|---|
| 2157 | int fd;
|
|---|
| 2158 | ssize_t n;
|
|---|
| 2159 | unsigned char buf[512];
|
|---|
| 2160 | struct dynbuf certs;
|
|---|
| 2161 |
|
|---|
| 2162 | Curl_dyn_init(&certs, MAX_CERTS_SIZE);
|
|---|
| 2163 |
|
|---|
| 2164 | fd = open(file, 0);
|
|---|
| 2165 | if(fd < 0)
|
|---|
| 2166 | return -1;
|
|---|
| 2167 |
|
|---|
| 2168 | for(;;) {
|
|---|
| 2169 | n = read(fd, buf, sizeof(buf));
|
|---|
| 2170 | if(!n)
|
|---|
| 2171 | break;
|
|---|
| 2172 | if(n < 0) {
|
|---|
| 2173 | close(fd);
|
|---|
| 2174 | Curl_dyn_free(&certs);
|
|---|
| 2175 | return -1;
|
|---|
| 2176 | }
|
|---|
| 2177 | if(Curl_dyn_addn(&certs, buf, n)) {
|
|---|
| 2178 | close(fd);
|
|---|
| 2179 | return -1;
|
|---|
| 2180 | }
|
|---|
| 2181 | }
|
|---|
| 2182 | close(fd);
|
|---|
| 2183 |
|
|---|
| 2184 | *out = Curl_dyn_uptr(&certs);
|
|---|
| 2185 | *outlen = Curl_dyn_len(&certs);
|
|---|
| 2186 |
|
|---|
| 2187 | return 0;
|
|---|
| 2188 | }
|
|---|
| 2189 |
|
|---|
| 2190 | static int append_cert_to_array(struct Curl_easy *data,
|
|---|
| 2191 | const unsigned char *buf, size_t buflen,
|
|---|
| 2192 | CFMutableArrayRef array)
|
|---|
| 2193 | {
|
|---|
| 2194 | char *certp;
|
|---|
| 2195 | CURLcode result;
|
|---|
| 2196 | SecCertificateRef cacert;
|
|---|
| 2197 | CFDataRef certdata;
|
|---|
| 2198 |
|
|---|
| 2199 | certdata = CFDataCreate(kCFAllocatorDefault, buf, buflen);
|
|---|
| 2200 | if(!certdata) {
|
|---|
| 2201 | failf(data, "SSL: failed to allocate array for CA certificate");
|
|---|
| 2202 | return CURLE_OUT_OF_MEMORY;
|
|---|
| 2203 | }
|
|---|
| 2204 |
|
|---|
| 2205 | cacert = SecCertificateCreateWithData(kCFAllocatorDefault, certdata);
|
|---|
| 2206 | CFRelease(certdata);
|
|---|
| 2207 | if(!cacert) {
|
|---|
| 2208 | failf(data, "SSL: failed to create SecCertificate from CA certificate");
|
|---|
| 2209 | return CURLE_SSL_CACERT_BADFILE;
|
|---|
| 2210 | }
|
|---|
| 2211 |
|
|---|
| 2212 | /* Check if cacert is valid. */
|
|---|
| 2213 | result = CopyCertSubject(data, cacert, &certp);
|
|---|
| 2214 | switch(result) {
|
|---|
| 2215 | case CURLE_OK:
|
|---|
| 2216 | break;
|
|---|
| 2217 | case CURLE_PEER_FAILED_VERIFICATION:
|
|---|
| 2218 | return CURLE_SSL_CACERT_BADFILE;
|
|---|
| 2219 | case CURLE_OUT_OF_MEMORY:
|
|---|
| 2220 | default:
|
|---|
| 2221 | return result;
|
|---|
| 2222 | }
|
|---|
| 2223 | free(certp);
|
|---|
| 2224 |
|
|---|
| 2225 | CFArrayAppendValue(array, cacert);
|
|---|
| 2226 | CFRelease(cacert);
|
|---|
| 2227 |
|
|---|
| 2228 | return CURLE_OK;
|
|---|
| 2229 | }
|
|---|
| 2230 |
|
|---|
| 2231 | static CURLcode verify_cert_buf(struct Curl_cfilter *cf,
|
|---|
| 2232 | struct Curl_easy *data,
|
|---|
| 2233 | const unsigned char *certbuf, size_t buflen,
|
|---|
| 2234 | SSLContextRef ctx)
|
|---|
| 2235 | {
|
|---|
| 2236 | int n = 0, rc;
|
|---|
| 2237 | long res;
|
|---|
| 2238 | unsigned char *der;
|
|---|
| 2239 | size_t derlen, offset = 0;
|
|---|
| 2240 | OSStatus ret;
|
|---|
| 2241 | SecTrustResultType trust_eval;
|
|---|
| 2242 | CFMutableArrayRef array = NULL;
|
|---|
| 2243 | SecTrustRef trust = NULL;
|
|---|
| 2244 | CURLcode result = CURLE_PEER_FAILED_VERIFICATION;
|
|---|
| 2245 | (void)cf;
|
|---|
| 2246 | /*
|
|---|
| 2247 | * Certbuf now contains the contents of the certificate file, which can be
|
|---|
| 2248 | * - a single DER certificate,
|
|---|
| 2249 | * - a single PEM certificate or
|
|---|
| 2250 | * - a bunch of PEM certificates (certificate bundle).
|
|---|
| 2251 | *
|
|---|
| 2252 | * Go through certbuf, and convert any PEM certificate in it into DER
|
|---|
| 2253 | * format.
|
|---|
| 2254 | */
|
|---|
| 2255 | array = CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks);
|
|---|
| 2256 | if(!array) {
|
|---|
| 2257 | failf(data, "SSL: out of memory creating CA certificate array");
|
|---|
| 2258 | result = CURLE_OUT_OF_MEMORY;
|
|---|
| 2259 | goto out;
|
|---|
| 2260 | }
|
|---|
| 2261 |
|
|---|
| 2262 | while(offset < buflen) {
|
|---|
| 2263 | n++;
|
|---|
| 2264 |
|
|---|
| 2265 | /*
|
|---|
| 2266 | * Check if the certificate is in PEM format, and convert it to DER. If
|
|---|
| 2267 | * this fails, we assume the certificate is in DER format.
|
|---|
| 2268 | */
|
|---|
| 2269 | res = pem_to_der((const char *)certbuf + offset, &der, &derlen);
|
|---|
| 2270 | if(res < 0) {
|
|---|
| 2271 | failf(data, "SSL: invalid CA certificate #%d (offset %zu) in bundle",
|
|---|
| 2272 | n, offset);
|
|---|
| 2273 | result = CURLE_SSL_CACERT_BADFILE;
|
|---|
| 2274 | goto out;
|
|---|
| 2275 | }
|
|---|
| 2276 | offset += res;
|
|---|
| 2277 |
|
|---|
| 2278 | if(res == 0 && offset == 0) {
|
|---|
| 2279 | /* This is not a PEM file, probably a certificate in DER format. */
|
|---|
| 2280 | rc = append_cert_to_array(data, certbuf, buflen, array);
|
|---|
| 2281 | if(rc != CURLE_OK) {
|
|---|
| 2282 | DEBUGF(LOG_CF(data, cf, "append_cert for CA failed"));
|
|---|
| 2283 | result = rc;
|
|---|
| 2284 | goto out;
|
|---|
| 2285 | }
|
|---|
| 2286 | break;
|
|---|
| 2287 | }
|
|---|
| 2288 | else if(res == 0) {
|
|---|
| 2289 | /* No more certificates in the bundle. */
|
|---|
| 2290 | break;
|
|---|
| 2291 | }
|
|---|
| 2292 |
|
|---|
| 2293 | rc = append_cert_to_array(data, der, derlen, array);
|
|---|
| 2294 | free(der);
|
|---|
| 2295 | if(rc != CURLE_OK) {
|
|---|
| 2296 | DEBUGF(LOG_CF(data, cf, "append_cert for CA failed"));
|
|---|
| 2297 | result = rc;
|
|---|
| 2298 | goto out;
|
|---|
| 2299 | }
|
|---|
| 2300 | }
|
|---|
| 2301 |
|
|---|
| 2302 | ret = SSLCopyPeerTrust(ctx, &trust);
|
|---|
| 2303 | if(!trust) {
|
|---|
| 2304 | failf(data, "SSL: error getting certificate chain");
|
|---|
| 2305 | goto out;
|
|---|
| 2306 | }
|
|---|
| 2307 | else if(ret != noErr) {
|
|---|
| 2308 | failf(data, "SSLCopyPeerTrust() returned error %d", ret);
|
|---|
| 2309 | goto out;
|
|---|
| 2310 | }
|
|---|
| 2311 |
|
|---|
| 2312 | DEBUGF(LOG_CF(data, cf, "setting %d trust anchors", n));
|
|---|
| 2313 | ret = SecTrustSetAnchorCertificates(trust, array);
|
|---|
| 2314 | if(ret != noErr) {
|
|---|
| 2315 | failf(data, "SecTrustSetAnchorCertificates() returned error %d", ret);
|
|---|
| 2316 | goto out;
|
|---|
| 2317 | }
|
|---|
| 2318 | ret = SecTrustSetAnchorCertificatesOnly(trust, true);
|
|---|
| 2319 | if(ret != noErr) {
|
|---|
| 2320 | failf(data, "SecTrustSetAnchorCertificatesOnly() returned error %d", ret);
|
|---|
| 2321 | goto out;
|
|---|
| 2322 | }
|
|---|
| 2323 |
|
|---|
| 2324 | trust_eval = 0;
|
|---|
| 2325 | ret = SecTrustEvaluate(trust, &trust_eval);
|
|---|
| 2326 | if(ret != noErr) {
|
|---|
| 2327 | failf(data, "SecTrustEvaluate() returned error %d", ret);
|
|---|
| 2328 | goto out;
|
|---|
| 2329 | }
|
|---|
| 2330 |
|
|---|
| 2331 | switch(trust_eval) {
|
|---|
| 2332 | case kSecTrustResultUnspecified:
|
|---|
| 2333 | /* what does this really mean? */
|
|---|
| 2334 | DEBUGF(LOG_CF(data, cf, "trust result: Unspecified"));
|
|---|
| 2335 | result = CURLE_OK;
|
|---|
| 2336 | goto out;
|
|---|
| 2337 | case kSecTrustResultProceed:
|
|---|
| 2338 | DEBUGF(LOG_CF(data, cf, "trust result: Proceed"));
|
|---|
| 2339 | result = CURLE_OK;
|
|---|
| 2340 | goto out;
|
|---|
| 2341 |
|
|---|
| 2342 | case kSecTrustResultRecoverableTrustFailure:
|
|---|
| 2343 | failf(data, "SSL: peer not verified: RecoverableTrustFailure");
|
|---|
| 2344 | goto out;
|
|---|
| 2345 | case kSecTrustResultDeny:
|
|---|
| 2346 | failf(data, "SSL: peer not verified: Deny");
|
|---|
| 2347 | goto out;
|
|---|
| 2348 | default:
|
|---|
| 2349 | failf(data, "SSL: perr not verified: result=%d", trust_eval);
|
|---|
| 2350 | goto out;
|
|---|
| 2351 | }
|
|---|
| 2352 |
|
|---|
| 2353 | out:
|
|---|
| 2354 | if(trust)
|
|---|
| 2355 | CFRelease(trust);
|
|---|
| 2356 | if(array)
|
|---|
| 2357 | CFRelease(array);
|
|---|
| 2358 | return result;
|
|---|
| 2359 | }
|
|---|
| 2360 |
|
|---|
| 2361 | static CURLcode verify_cert(struct Curl_cfilter *cf,
|
|---|
| 2362 | struct Curl_easy *data, const char *cafile,
|
|---|
| 2363 | const struct curl_blob *ca_info_blob,
|
|---|
| 2364 | SSLContextRef ctx)
|
|---|
| 2365 | {
|
|---|
| 2366 | int result;
|
|---|
| 2367 | unsigned char *certbuf;
|
|---|
| 2368 | size_t buflen;
|
|---|
| 2369 |
|
|---|
| 2370 | if(ca_info_blob) {
|
|---|
| 2371 | DEBUGF(LOG_CF(data, cf, "verify_peer, CA from config blob"));
|
|---|
| 2372 | certbuf = (unsigned char *)malloc(ca_info_blob->len + 1);
|
|---|
| 2373 | if(!certbuf) {
|
|---|
| 2374 | return CURLE_OUT_OF_MEMORY;
|
|---|
| 2375 | }
|
|---|
| 2376 | buflen = ca_info_blob->len;
|
|---|
| 2377 | memcpy(certbuf, ca_info_blob->data, ca_info_blob->len);
|
|---|
| 2378 | certbuf[ca_info_blob->len]='\0';
|
|---|
| 2379 | }
|
|---|
| 2380 | else if(cafile) {
|
|---|
| 2381 | DEBUGF(LOG_CF(data, cf, "verify_peer, CA from file '%s'", cafile));
|
|---|
| 2382 | if(read_cert(cafile, &certbuf, &buflen) < 0) {
|
|---|
| 2383 | failf(data, "SSL: failed to read or invalid CA certificate");
|
|---|
| 2384 | return CURLE_SSL_CACERT_BADFILE;
|
|---|
| 2385 | }
|
|---|
| 2386 | }
|
|---|
| 2387 | else
|
|---|
| 2388 | return CURLE_SSL_CACERT_BADFILE;
|
|---|
| 2389 |
|
|---|
| 2390 | result = verify_cert_buf(cf, data, certbuf, buflen, ctx);
|
|---|
| 2391 | free(certbuf);
|
|---|
| 2392 | return result;
|
|---|
| 2393 | }
|
|---|
| 2394 |
|
|---|
| 2395 |
|
|---|
| 2396 | #ifdef SECTRANSP_PINNEDPUBKEY
|
|---|
| 2397 | static CURLcode pkp_pin_peer_pubkey(struct Curl_easy *data,
|
|---|
| 2398 | SSLContextRef ctx,
|
|---|
| 2399 | const char *pinnedpubkey)
|
|---|
| 2400 | { /* Scratch */
|
|---|
| 2401 | size_t pubkeylen, realpubkeylen, spkiHeaderLength = 24;
|
|---|
| 2402 | unsigned char *pubkey = NULL, *realpubkey = NULL;
|
|---|
| 2403 | const unsigned char *spkiHeader = NULL;
|
|---|
| 2404 | CFDataRef publicKeyBits = NULL;
|
|---|
| 2405 |
|
|---|
| 2406 | /* Result is returned to caller */
|
|---|
| 2407 | CURLcode result = CURLE_SSL_PINNEDPUBKEYNOTMATCH;
|
|---|
| 2408 |
|
|---|
| 2409 | /* if a path wasn't specified, don't pin */
|
|---|
| 2410 | if(!pinnedpubkey)
|
|---|
| 2411 | return CURLE_OK;
|
|---|
| 2412 |
|
|---|
| 2413 |
|
|---|
| 2414 | if(!ctx)
|
|---|
| 2415 | return result;
|
|---|
| 2416 |
|
|---|
| 2417 | do {
|
|---|
| 2418 | SecTrustRef trust;
|
|---|
| 2419 | OSStatus ret;
|
|---|
| 2420 | SecKeyRef keyRef;
|
|---|
| 2421 | OSStatus success;
|
|---|
| 2422 |
|
|---|
| 2423 | ret = SSLCopyPeerTrust(ctx, &trust);
|
|---|
| 2424 | if(ret != noErr || !trust)
|
|---|
| 2425 | break;
|
|---|
| 2426 |
|
|---|
| 2427 | keyRef = SecTrustCopyPublicKey(trust);
|
|---|
| 2428 | CFRelease(trust);
|
|---|
| 2429 | if(!keyRef)
|
|---|
| 2430 | break;
|
|---|
| 2431 |
|
|---|
| 2432 | #ifdef SECTRANSP_PINNEDPUBKEY_V1
|
|---|
| 2433 |
|
|---|
| 2434 | publicKeyBits = SecKeyCopyExternalRepresentation(keyRef, NULL);
|
|---|
| 2435 | CFRelease(keyRef);
|
|---|
| 2436 | if(!publicKeyBits)
|
|---|
| 2437 | break;
|
|---|
| 2438 |
|
|---|
| 2439 | #elif SECTRANSP_PINNEDPUBKEY_V2
|
|---|
| 2440 |
|
|---|
| 2441 | success = SecItemExport(keyRef, kSecFormatOpenSSL, 0, NULL,
|
|---|
| 2442 | &publicKeyBits);
|
|---|
| 2443 | CFRelease(keyRef);
|
|---|
| 2444 | if(success != errSecSuccess || !publicKeyBits)
|
|---|
| 2445 | break;
|
|---|
| 2446 |
|
|---|
| 2447 | #endif /* SECTRANSP_PINNEDPUBKEY_V2 */
|
|---|
| 2448 |
|
|---|
| 2449 | pubkeylen = CFDataGetLength(publicKeyBits);
|
|---|
| 2450 | pubkey = (unsigned char *)CFDataGetBytePtr(publicKeyBits);
|
|---|
| 2451 |
|
|---|
| 2452 | switch(pubkeylen) {
|
|---|
| 2453 | case 526:
|
|---|
| 2454 | /* 4096 bit RSA pubkeylen == 526 */
|
|---|
| 2455 | spkiHeader = rsa4096SpkiHeader;
|
|---|
| 2456 | break;
|
|---|
| 2457 | case 270:
|
|---|
| 2458 | /* 2048 bit RSA pubkeylen == 270 */
|
|---|
| 2459 | spkiHeader = rsa2048SpkiHeader;
|
|---|
| 2460 | break;
|
|---|
| 2461 | #ifdef SECTRANSP_PINNEDPUBKEY_V1
|
|---|
| 2462 | case 65:
|
|---|
| 2463 | /* ecDSA secp256r1 pubkeylen == 65 */
|
|---|
| 2464 | spkiHeader = ecDsaSecp256r1SpkiHeader;
|
|---|
| 2465 | spkiHeaderLength = 26;
|
|---|
| 2466 | break;
|
|---|
| 2467 | case 97:
|
|---|
| 2468 | /* ecDSA secp384r1 pubkeylen == 97 */
|
|---|
| 2469 | spkiHeader = ecDsaSecp384r1SpkiHeader;
|
|---|
| 2470 | spkiHeaderLength = 23;
|
|---|
| 2471 | break;
|
|---|
| 2472 | default:
|
|---|
| 2473 | infof(data, "SSL: unhandled public key length: %d", pubkeylen);
|
|---|
| 2474 | #elif SECTRANSP_PINNEDPUBKEY_V2
|
|---|
| 2475 | default:
|
|---|
| 2476 | /* ecDSA secp256r1 pubkeylen == 91 header already included?
|
|---|
| 2477 | * ecDSA secp384r1 header already included too
|
|---|
| 2478 | * we assume rest of algorithms do same, so do nothing
|
|---|
| 2479 | */
|
|---|
| 2480 | result = Curl_pin_peer_pubkey(data, pinnedpubkey, pubkey,
|
|---|
| 2481 | pubkeylen);
|
|---|
| 2482 | #endif /* SECTRANSP_PINNEDPUBKEY_V2 */
|
|---|
| 2483 | continue; /* break from loop */
|
|---|
| 2484 | }
|
|---|
| 2485 |
|
|---|
| 2486 | realpubkeylen = pubkeylen + spkiHeaderLength;
|
|---|
| 2487 | realpubkey = malloc(realpubkeylen);
|
|---|
| 2488 | if(!realpubkey)
|
|---|
| 2489 | break;
|
|---|
| 2490 |
|
|---|
| 2491 | memcpy(realpubkey, spkiHeader, spkiHeaderLength);
|
|---|
| 2492 | memcpy(realpubkey + spkiHeaderLength, pubkey, pubkeylen);
|
|---|
| 2493 |
|
|---|
| 2494 | result = Curl_pin_peer_pubkey(data, pinnedpubkey, realpubkey,
|
|---|
| 2495 | realpubkeylen);
|
|---|
| 2496 |
|
|---|
| 2497 | } while(0);
|
|---|
| 2498 |
|
|---|
| 2499 | Curl_safefree(realpubkey);
|
|---|
| 2500 | if(publicKeyBits)
|
|---|
| 2501 | CFRelease(publicKeyBits);
|
|---|
| 2502 |
|
|---|
| 2503 | return result;
|
|---|
| 2504 | }
|
|---|
| 2505 | #endif /* SECTRANSP_PINNEDPUBKEY */
|
|---|
| 2506 |
|
|---|
| 2507 | static CURLcode sectransp_connect_step2(struct Curl_cfilter *cf,
|
|---|
| 2508 | struct Curl_easy *data)
|
|---|
| 2509 | {
|
|---|
| 2510 | struct ssl_connect_data *connssl = cf->ctx;
|
|---|
| 2511 | struct ssl_backend_data *backend = connssl->backend;
|
|---|
| 2512 | struct ssl_primary_config *conn_config = Curl_ssl_cf_get_primary_config(cf);
|
|---|
| 2513 | OSStatus err;
|
|---|
| 2514 | SSLCipherSuite cipher;
|
|---|
| 2515 | SSLProtocol protocol = 0;
|
|---|
| 2516 |
|
|---|
| 2517 | DEBUGASSERT(ssl_connect_2 == connssl->connecting_state
|
|---|
| 2518 | || ssl_connect_2_reading == connssl->connecting_state
|
|---|
| 2519 | || ssl_connect_2_writing == connssl->connecting_state);
|
|---|
| 2520 | DEBUGASSERT(backend);
|
|---|
| 2521 | DEBUGF(LOG_CF(data, cf, "connect_step2"));
|
|---|
| 2522 |
|
|---|
| 2523 | /* Here goes nothing: */
|
|---|
| 2524 | check_handshake:
|
|---|
| 2525 | err = SSLHandshake(backend->ssl_ctx);
|
|---|
| 2526 |
|
|---|
| 2527 | if(err != noErr) {
|
|---|
| 2528 | switch(err) {
|
|---|
| 2529 | case errSSLWouldBlock: /* they're not done with us yet */
|
|---|
| 2530 | connssl->connecting_state = backend->ssl_direction ?
|
|---|
| 2531 | ssl_connect_2_writing : ssl_connect_2_reading;
|
|---|
| 2532 | return CURLE_OK;
|
|---|
| 2533 |
|
|---|
| 2534 | /* The below is errSSLServerAuthCompleted; it's not defined in
|
|---|
| 2535 | Leopard's headers */
|
|---|
| 2536 | case -9841:
|
|---|
| 2537 | if((conn_config->CAfile || conn_config->ca_info_blob) &&
|
|---|
| 2538 | conn_config->verifypeer) {
|
|---|
| 2539 | CURLcode result = verify_cert(cf, data, conn_config->CAfile,
|
|---|
| 2540 | conn_config->ca_info_blob,
|
|---|
| 2541 | backend->ssl_ctx);
|
|---|
| 2542 | if(result)
|
|---|
| 2543 | return result;
|
|---|
| 2544 | }
|
|---|
| 2545 | /* the documentation says we need to call SSLHandshake() again */
|
|---|
| 2546 | goto check_handshake;
|
|---|
| 2547 |
|
|---|
| 2548 | /* Problem with encrypt / decrypt */
|
|---|
| 2549 | case errSSLPeerDecodeError:
|
|---|
| 2550 | failf(data, "Decode failed");
|
|---|
| 2551 | break;
|
|---|
| 2552 | case errSSLDecryptionFail:
|
|---|
| 2553 | case errSSLPeerDecryptionFail:
|
|---|
| 2554 | failf(data, "Decryption failed");
|
|---|
| 2555 | break;
|
|---|
| 2556 | case errSSLPeerDecryptError:
|
|---|
| 2557 | failf(data, "A decryption error occurred");
|
|---|
| 2558 | break;
|
|---|
| 2559 | case errSSLBadCipherSuite:
|
|---|
| 2560 | failf(data, "A bad SSL cipher suite was encountered");
|
|---|
| 2561 | break;
|
|---|
| 2562 | case errSSLCrypto:
|
|---|
| 2563 | failf(data, "An underlying cryptographic error was encountered");
|
|---|
| 2564 | break;
|
|---|
| 2565 | #if CURL_BUILD_MAC_10_11 || CURL_BUILD_IOS_9
|
|---|
| 2566 | case errSSLWeakPeerEphemeralDHKey:
|
|---|
| 2567 | failf(data, "Indicates a weak ephemeral Diffie-Hellman key");
|
|---|
| 2568 | break;
|
|---|
| 2569 | #endif
|
|---|
| 2570 |
|
|---|
| 2571 | /* Problem with the message record validation */
|
|---|
| 2572 | case errSSLBadRecordMac:
|
|---|
| 2573 | case errSSLPeerBadRecordMac:
|
|---|
| 2574 | failf(data, "A record with a bad message authentication code (MAC) "
|
|---|
| 2575 | "was encountered");
|
|---|
| 2576 | break;
|
|---|
| 2577 | case errSSLRecordOverflow:
|
|---|
| 2578 | case errSSLPeerRecordOverflow:
|
|---|
| 2579 | failf(data, "A record overflow occurred");
|
|---|
| 2580 | break;
|
|---|
| 2581 |
|
|---|
| 2582 | /* Problem with zlib decompression */
|
|---|
| 2583 | case errSSLPeerDecompressFail:
|
|---|
| 2584 | failf(data, "Decompression failed");
|
|---|
| 2585 | break;
|
|---|
| 2586 |
|
|---|
| 2587 | /* Problem with access */
|
|---|
| 2588 | case errSSLPeerAccessDenied:
|
|---|
| 2589 | failf(data, "Access was denied");
|
|---|
| 2590 | break;
|
|---|
| 2591 | case errSSLPeerInsufficientSecurity:
|
|---|
| 2592 | failf(data, "There is insufficient security for this operation");
|
|---|
| 2593 | break;
|
|---|
| 2594 |
|
|---|
| 2595 | /* These are all certificate problems with the server: */
|
|---|
| 2596 | case errSSLXCertChainInvalid:
|
|---|
| 2597 | failf(data, "SSL certificate problem: Invalid certificate chain");
|
|---|
| 2598 | return CURLE_PEER_FAILED_VERIFICATION;
|
|---|
| 2599 | case errSSLUnknownRootCert:
|
|---|
| 2600 | failf(data, "SSL certificate problem: Untrusted root certificate");
|
|---|
| 2601 | return CURLE_PEER_FAILED_VERIFICATION;
|
|---|
| 2602 | case errSSLNoRootCert:
|
|---|
| 2603 | failf(data, "SSL certificate problem: No root certificate");
|
|---|
| 2604 | return CURLE_PEER_FAILED_VERIFICATION;
|
|---|
| 2605 | case errSSLCertNotYetValid:
|
|---|
| 2606 | failf(data, "SSL certificate problem: The certificate chain had a "
|
|---|
| 2607 | "certificate that is not yet valid");
|
|---|
| 2608 | return CURLE_PEER_FAILED_VERIFICATION;
|
|---|
| 2609 | case errSSLCertExpired:
|
|---|
| 2610 | case errSSLPeerCertExpired:
|
|---|
| 2611 | failf(data, "SSL certificate problem: Certificate chain had an "
|
|---|
| 2612 | "expired certificate");
|
|---|
| 2613 | return CURLE_PEER_FAILED_VERIFICATION;
|
|---|
| 2614 | case errSSLBadCert:
|
|---|
| 2615 | case errSSLPeerBadCert:
|
|---|
| 2616 | failf(data, "SSL certificate problem: Couldn't understand the server "
|
|---|
| 2617 | "certificate format");
|
|---|
| 2618 | return CURLE_PEER_FAILED_VERIFICATION;
|
|---|
| 2619 | case errSSLPeerUnsupportedCert:
|
|---|
| 2620 | failf(data, "SSL certificate problem: An unsupported certificate "
|
|---|
| 2621 | "format was encountered");
|
|---|
| 2622 | return CURLE_PEER_FAILED_VERIFICATION;
|
|---|
| 2623 | case errSSLPeerCertRevoked:
|
|---|
| 2624 | failf(data, "SSL certificate problem: The certificate was revoked");
|
|---|
| 2625 | return CURLE_PEER_FAILED_VERIFICATION;
|
|---|
| 2626 | case errSSLPeerCertUnknown:
|
|---|
| 2627 | failf(data, "SSL certificate problem: The certificate is unknown");
|
|---|
| 2628 | return CURLE_PEER_FAILED_VERIFICATION;
|
|---|
| 2629 |
|
|---|
| 2630 | /* These are all certificate problems with the client: */
|
|---|
| 2631 | case errSecAuthFailed:
|
|---|
| 2632 | failf(data, "SSL authentication failed");
|
|---|
| 2633 | break;
|
|---|
| 2634 | case errSSLPeerHandshakeFail:
|
|---|
| 2635 | failf(data, "SSL peer handshake failed, the server most likely "
|
|---|
| 2636 | "requires a client certificate to connect");
|
|---|
| 2637 | break;
|
|---|
| 2638 | case errSSLPeerUnknownCA:
|
|---|
| 2639 | failf(data, "SSL server rejected the client certificate due to "
|
|---|
| 2640 | "the certificate being signed by an unknown certificate "
|
|---|
| 2641 | "authority");
|
|---|
| 2642 | break;
|
|---|
| 2643 |
|
|---|
| 2644 | /* This error is raised if the server's cert didn't match the server's
|
|---|
| 2645 | host name: */
|
|---|
| 2646 | case errSSLHostNameMismatch:
|
|---|
| 2647 | failf(data, "SSL certificate peer verification failed, the "
|
|---|
| 2648 | "certificate did not match \"%s\"\n", connssl->dispname);
|
|---|
| 2649 | return CURLE_PEER_FAILED_VERIFICATION;
|
|---|
| 2650 |
|
|---|
| 2651 | /* Problem with SSL / TLS negotiation */
|
|---|
| 2652 | case errSSLNegotiation:
|
|---|
| 2653 | failf(data, "Could not negotiate an SSL cipher suite with the server");
|
|---|
| 2654 | break;
|
|---|
| 2655 | case errSSLBadConfiguration:
|
|---|
| 2656 | failf(data, "A configuration error occurred");
|
|---|
| 2657 | break;
|
|---|
| 2658 | case errSSLProtocol:
|
|---|
| 2659 | failf(data, "SSL protocol error");
|
|---|
| 2660 | break;
|
|---|
| 2661 | case errSSLPeerProtocolVersion:
|
|---|
| 2662 | failf(data, "A bad protocol version was encountered");
|
|---|
| 2663 | break;
|
|---|
| 2664 | case errSSLPeerNoRenegotiation:
|
|---|
| 2665 | failf(data, "No renegotiation is allowed");
|
|---|
| 2666 | break;
|
|---|
| 2667 |
|
|---|
| 2668 | /* Generic handshake errors: */
|
|---|
| 2669 | case errSSLConnectionRefused:
|
|---|
| 2670 | failf(data, "Server dropped the connection during the SSL handshake");
|
|---|
| 2671 | break;
|
|---|
| 2672 | case errSSLClosedAbort:
|
|---|
| 2673 | failf(data, "Server aborted the SSL handshake");
|
|---|
| 2674 | break;
|
|---|
| 2675 | case errSSLClosedGraceful:
|
|---|
| 2676 | failf(data, "The connection closed gracefully");
|
|---|
| 2677 | break;
|
|---|
| 2678 | case errSSLClosedNoNotify:
|
|---|
| 2679 | failf(data, "The server closed the session with no notification");
|
|---|
| 2680 | break;
|
|---|
| 2681 | /* Sometimes paramErr happens with buggy ciphers: */
|
|---|
| 2682 | case paramErr:
|
|---|
| 2683 | case errSSLInternal:
|
|---|
| 2684 | case errSSLPeerInternalError:
|
|---|
| 2685 | failf(data, "Internal SSL engine error encountered during the "
|
|---|
| 2686 | "SSL handshake");
|
|---|
| 2687 | break;
|
|---|
| 2688 | case errSSLFatalAlert:
|
|---|
| 2689 | failf(data, "Fatal SSL engine error encountered during the SSL "
|
|---|
| 2690 | "handshake");
|
|---|
| 2691 | break;
|
|---|
| 2692 | /* Unclassified error */
|
|---|
| 2693 | case errSSLBufferOverflow:
|
|---|
| 2694 | failf(data, "An insufficient buffer was provided");
|
|---|
| 2695 | break;
|
|---|
| 2696 | case errSSLIllegalParam:
|
|---|
| 2697 | failf(data, "An illegal parameter was encountered");
|
|---|
| 2698 | break;
|
|---|
| 2699 | case errSSLModuleAttach:
|
|---|
| 2700 | failf(data, "Module attach failure");
|
|---|
| 2701 | break;
|
|---|
| 2702 | case errSSLSessionNotFound:
|
|---|
| 2703 | failf(data, "An attempt to restore an unknown session failed");
|
|---|
| 2704 | break;
|
|---|
| 2705 | case errSSLPeerExportRestriction:
|
|---|
| 2706 | failf(data, "An export restriction occurred");
|
|---|
| 2707 | break;
|
|---|
| 2708 | case errSSLPeerUserCancelled:
|
|---|
| 2709 | failf(data, "The user canceled the operation");
|
|---|
| 2710 | break;
|
|---|
| 2711 | case errSSLPeerUnexpectedMsg:
|
|---|
| 2712 | failf(data, "Peer rejected unexpected message");
|
|---|
| 2713 | break;
|
|---|
| 2714 | #if CURL_BUILD_MAC_10_11 || CURL_BUILD_IOS_9
|
|---|
| 2715 | /* Treaing non-fatal error as fatal like before */
|
|---|
| 2716 | case errSSLClientHelloReceived:
|
|---|
| 2717 | failf(data, "A non-fatal result for providing a server name "
|
|---|
| 2718 | "indication");
|
|---|
| 2719 | break;
|
|---|
| 2720 | #endif
|
|---|
| 2721 |
|
|---|
| 2722 | /* Error codes defined in the enum but should never be returned.
|
|---|
| 2723 | We list them here just in case. */
|
|---|
| 2724 | #if CURL_BUILD_MAC_10_6
|
|---|
| 2725 | /* Only returned when kSSLSessionOptionBreakOnCertRequested is set */
|
|---|
| 2726 | case errSSLClientCertRequested:
|
|---|
| 2727 | failf(data, "Server requested a client certificate during the "
|
|---|
| 2728 | "handshake");
|
|---|
| 2729 | return CURLE_SSL_CLIENTCERT;
|
|---|
| 2730 | #endif
|
|---|
| 2731 | #if CURL_BUILD_MAC_10_9
|
|---|
| 2732 | /* Alias for errSSLLast, end of error range */
|
|---|
| 2733 | case errSSLUnexpectedRecord:
|
|---|
| 2734 | failf(data, "Unexpected (skipped) record in DTLS");
|
|---|
| 2735 | break;
|
|---|
| 2736 | #endif
|
|---|
| 2737 | default:
|
|---|
| 2738 | /* May also return codes listed in Security Framework Result Codes */
|
|---|
| 2739 | failf(data, "Unknown SSL protocol error in connection to %s:%d",
|
|---|
| 2740 | connssl->hostname, err);
|
|---|
| 2741 | break;
|
|---|
| 2742 | }
|
|---|
| 2743 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 2744 | }
|
|---|
| 2745 | else {
|
|---|
| 2746 | /* we have been connected fine, we're not waiting for anything else. */
|
|---|
| 2747 | connssl->connecting_state = ssl_connect_3;
|
|---|
| 2748 |
|
|---|
| 2749 | #ifdef SECTRANSP_PINNEDPUBKEY
|
|---|
| 2750 | if(data->set.str[STRING_SSL_PINNEDPUBLICKEY]) {
|
|---|
| 2751 | CURLcode result =
|
|---|
| 2752 | pkp_pin_peer_pubkey(data, backend->ssl_ctx,
|
|---|
| 2753 | data->set.str[STRING_SSL_PINNEDPUBLICKEY]);
|
|---|
| 2754 | if(result) {
|
|---|
| 2755 | failf(data, "SSL: public key does not match pinned public key");
|
|---|
| 2756 | return result;
|
|---|
| 2757 | }
|
|---|
| 2758 | }
|
|---|
| 2759 | #endif /* SECTRANSP_PINNEDPUBKEY */
|
|---|
| 2760 |
|
|---|
| 2761 | /* Informational message */
|
|---|
| 2762 | (void)SSLGetNegotiatedCipher(backend->ssl_ctx, &cipher);
|
|---|
| 2763 | (void)SSLGetNegotiatedProtocolVersion(backend->ssl_ctx, &protocol);
|
|---|
| 2764 | switch(protocol) {
|
|---|
| 2765 | case kSSLProtocol2:
|
|---|
| 2766 | infof(data, "SSL 2.0 connection using %s",
|
|---|
| 2767 | TLSCipherNameForNumber(cipher));
|
|---|
| 2768 | break;
|
|---|
| 2769 | case kSSLProtocol3:
|
|---|
| 2770 | infof(data, "SSL 3.0 connection using %s",
|
|---|
| 2771 | TLSCipherNameForNumber(cipher));
|
|---|
| 2772 | break;
|
|---|
| 2773 | case kTLSProtocol1:
|
|---|
| 2774 | infof(data, "TLS 1.0 connection using %s",
|
|---|
| 2775 | TLSCipherNameForNumber(cipher));
|
|---|
| 2776 | break;
|
|---|
| 2777 | #if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
|
|---|
| 2778 | case kTLSProtocol11:
|
|---|
| 2779 | infof(data, "TLS 1.1 connection using %s",
|
|---|
| 2780 | TLSCipherNameForNumber(cipher));
|
|---|
| 2781 | break;
|
|---|
| 2782 | case kTLSProtocol12:
|
|---|
| 2783 | infof(data, "TLS 1.2 connection using %s",
|
|---|
| 2784 | TLSCipherNameForNumber(cipher));
|
|---|
| 2785 | break;
|
|---|
| 2786 | #endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
|
|---|
| 2787 | #if CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11
|
|---|
| 2788 | case kTLSProtocol13:
|
|---|
| 2789 | infof(data, "TLS 1.3 connection using %s",
|
|---|
| 2790 | TLSCipherNameForNumber(cipher));
|
|---|
| 2791 | break;
|
|---|
| 2792 | #endif /* CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11 */
|
|---|
| 2793 | default:
|
|---|
| 2794 | infof(data, "Unknown protocol connection");
|
|---|
| 2795 | break;
|
|---|
| 2796 | }
|
|---|
| 2797 |
|
|---|
| 2798 | #if(CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) && HAVE_BUILTIN_AVAILABLE == 1
|
|---|
| 2799 | if(cf->conn->bits.tls_enable_alpn) {
|
|---|
| 2800 | if(__builtin_available(macOS 10.13.4, iOS 11, tvOS 11, *)) {
|
|---|
| 2801 | CFArrayRef alpnArr = NULL;
|
|---|
| 2802 | CFStringRef chosenProtocol = NULL;
|
|---|
| 2803 | err = SSLCopyALPNProtocols(backend->ssl_ctx, &alpnArr);
|
|---|
| 2804 |
|
|---|
| 2805 | if(err == noErr && alpnArr && CFArrayGetCount(alpnArr) >= 1)
|
|---|
| 2806 | chosenProtocol = CFArrayGetValueAtIndex(alpnArr, 0);
|
|---|
| 2807 |
|
|---|
| 2808 | #ifdef USE_HTTP2
|
|---|
| 2809 | if(chosenProtocol &&
|
|---|
| 2810 | !CFStringCompare(chosenProtocol, CFSTR(ALPN_H2), 0)) {
|
|---|
| 2811 | cf->conn->alpn = CURL_HTTP_VERSION_2;
|
|---|
| 2812 | }
|
|---|
| 2813 | else
|
|---|
| 2814 | #endif
|
|---|
| 2815 | if(chosenProtocol &&
|
|---|
| 2816 | !CFStringCompare(chosenProtocol, CFSTR(ALPN_HTTP_1_1), 0)) {
|
|---|
| 2817 | cf->conn->alpn = CURL_HTTP_VERSION_1_1;
|
|---|
| 2818 | }
|
|---|
| 2819 | else
|
|---|
| 2820 | infof(data, VTLS_INFOF_NO_ALPN);
|
|---|
| 2821 |
|
|---|
| 2822 | Curl_multiuse_state(data, cf->conn->alpn == CURL_HTTP_VERSION_2 ?
|
|---|
| 2823 | BUNDLE_MULTIPLEX : BUNDLE_NO_MULTIUSE);
|
|---|
| 2824 |
|
|---|
| 2825 | /* chosenProtocol is a reference to the string within alpnArr
|
|---|
| 2826 | and doesn't need to be freed separately */
|
|---|
| 2827 | if(alpnArr)
|
|---|
| 2828 | CFRelease(alpnArr);
|
|---|
| 2829 | }
|
|---|
| 2830 | }
|
|---|
| 2831 | #endif
|
|---|
| 2832 |
|
|---|
| 2833 | return CURLE_OK;
|
|---|
| 2834 | }
|
|---|
| 2835 | }
|
|---|
| 2836 |
|
|---|
| 2837 | static CURLcode
|
|---|
| 2838 | add_cert_to_certinfo(struct Curl_easy *data,
|
|---|
| 2839 | SecCertificateRef server_cert,
|
|---|
| 2840 | int idx)
|
|---|
| 2841 | {
|
|---|
| 2842 | CURLcode result = CURLE_OK;
|
|---|
| 2843 | const char *beg;
|
|---|
| 2844 | const char *end;
|
|---|
| 2845 | CFDataRef cert_data = SecCertificateCopyData(server_cert);
|
|---|
| 2846 |
|
|---|
| 2847 | if(!cert_data)
|
|---|
| 2848 | return CURLE_PEER_FAILED_VERIFICATION;
|
|---|
| 2849 |
|
|---|
| 2850 | beg = (const char *)CFDataGetBytePtr(cert_data);
|
|---|
| 2851 | end = beg + CFDataGetLength(cert_data);
|
|---|
| 2852 | result = Curl_extract_certinfo(data, idx, beg, end);
|
|---|
| 2853 | CFRelease(cert_data);
|
|---|
| 2854 | return result;
|
|---|
| 2855 | }
|
|---|
| 2856 |
|
|---|
| 2857 | static CURLcode
|
|---|
| 2858 | collect_server_cert_single(struct Curl_cfilter *cf, struct Curl_easy *data,
|
|---|
| 2859 | SecCertificateRef server_cert,
|
|---|
| 2860 | CFIndex idx)
|
|---|
| 2861 | {
|
|---|
| 2862 | CURLcode result = CURLE_OK;
|
|---|
| 2863 | struct ssl_config_data *ssl_config = Curl_ssl_cf_get_config(cf, data);
|
|---|
| 2864 | #ifndef CURL_DISABLE_VERBOSE_STRINGS
|
|---|
| 2865 | if(data->set.verbose) {
|
|---|
| 2866 | char *certp;
|
|---|
| 2867 | result = CopyCertSubject(data, server_cert, &certp);
|
|---|
| 2868 | if(!result) {
|
|---|
| 2869 | infof(data, "Server certificate: %s", certp);
|
|---|
| 2870 | free(certp);
|
|---|
| 2871 | }
|
|---|
| 2872 | }
|
|---|
| 2873 | #endif
|
|---|
| 2874 | if(ssl_config->certinfo)
|
|---|
| 2875 | result = add_cert_to_certinfo(data, server_cert, (int)idx);
|
|---|
| 2876 | return result;
|
|---|
| 2877 | }
|
|---|
| 2878 |
|
|---|
| 2879 | /* This should be called during step3 of the connection at the earliest */
|
|---|
| 2880 | static CURLcode collect_server_cert(struct Curl_cfilter *cf,
|
|---|
| 2881 | struct Curl_easy *data)
|
|---|
| 2882 | {
|
|---|
| 2883 | #ifndef CURL_DISABLE_VERBOSE_STRINGS
|
|---|
| 2884 | const bool show_verbose_server_cert = data->set.verbose;
|
|---|
| 2885 | #else
|
|---|
| 2886 | const bool show_verbose_server_cert = false;
|
|---|
| 2887 | #endif
|
|---|
| 2888 | struct ssl_config_data *ssl_config = Curl_ssl_cf_get_config(cf, data);
|
|---|
| 2889 | CURLcode result = ssl_config->certinfo ?
|
|---|
| 2890 | CURLE_PEER_FAILED_VERIFICATION : CURLE_OK;
|
|---|
| 2891 | struct ssl_connect_data *connssl = cf->ctx;
|
|---|
| 2892 | struct ssl_backend_data *backend = connssl->backend;
|
|---|
| 2893 | CFArrayRef server_certs = NULL;
|
|---|
| 2894 | SecCertificateRef server_cert;
|
|---|
| 2895 | OSStatus err;
|
|---|
| 2896 | CFIndex i, count;
|
|---|
| 2897 | SecTrustRef trust = NULL;
|
|---|
| 2898 |
|
|---|
| 2899 | DEBUGASSERT(backend);
|
|---|
| 2900 |
|
|---|
| 2901 | if(!show_verbose_server_cert && !ssl_config->certinfo)
|
|---|
| 2902 | return CURLE_OK;
|
|---|
| 2903 |
|
|---|
| 2904 | if(!backend->ssl_ctx)
|
|---|
| 2905 | return result;
|
|---|
| 2906 |
|
|---|
| 2907 | #if CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS
|
|---|
| 2908 | #if CURL_BUILD_IOS
|
|---|
| 2909 | #pragma unused(server_certs)
|
|---|
| 2910 | err = SSLCopyPeerTrust(backend->ssl_ctx, &trust);
|
|---|
| 2911 | /* For some reason, SSLCopyPeerTrust() can return noErr and yet return
|
|---|
| 2912 | a null trust, so be on guard for that: */
|
|---|
| 2913 | if(err == noErr && trust) {
|
|---|
| 2914 | count = SecTrustGetCertificateCount(trust);
|
|---|
| 2915 | if(ssl_config->certinfo)
|
|---|
| 2916 | result = Curl_ssl_init_certinfo(data, (int)count);
|
|---|
| 2917 | for(i = 0L ; !result && (i < count) ; i++) {
|
|---|
| 2918 | server_cert = SecTrustGetCertificateAtIndex(trust, i);
|
|---|
| 2919 | result = collect_server_cert_single(cf, data, server_cert, i);
|
|---|
| 2920 | }
|
|---|
| 2921 | CFRelease(trust);
|
|---|
| 2922 | }
|
|---|
| 2923 | #else
|
|---|
| 2924 | /* SSLCopyPeerCertificates() is deprecated as of Mountain Lion.
|
|---|
| 2925 | The function SecTrustGetCertificateAtIndex() is officially present
|
|---|
| 2926 | in Lion, but it is unfortunately also present in Snow Leopard as
|
|---|
| 2927 | private API and doesn't work as expected. So we have to look for
|
|---|
| 2928 | a different symbol to make sure this code is only executed under
|
|---|
| 2929 | Lion or later. */
|
|---|
| 2930 | if(SecTrustCopyPublicKey) {
|
|---|
| 2931 | #pragma unused(server_certs)
|
|---|
| 2932 | err = SSLCopyPeerTrust(backend->ssl_ctx, &trust);
|
|---|
| 2933 | /* For some reason, SSLCopyPeerTrust() can return noErr and yet return
|
|---|
| 2934 | a null trust, so be on guard for that: */
|
|---|
| 2935 | if(err == noErr && trust) {
|
|---|
| 2936 | count = SecTrustGetCertificateCount(trust);
|
|---|
| 2937 | if(ssl_config->certinfo)
|
|---|
| 2938 | result = Curl_ssl_init_certinfo(data, (int)count);
|
|---|
| 2939 | for(i = 0L ; !result && (i < count) ; i++) {
|
|---|
| 2940 | server_cert = SecTrustGetCertificateAtIndex(trust, i);
|
|---|
| 2941 | result = collect_server_cert_single(cf, data, server_cert, i);
|
|---|
| 2942 | }
|
|---|
| 2943 | CFRelease(trust);
|
|---|
| 2944 | }
|
|---|
| 2945 | }
|
|---|
| 2946 | else {
|
|---|
| 2947 | #if CURL_SUPPORT_MAC_10_8
|
|---|
| 2948 | err = SSLCopyPeerCertificates(backend->ssl_ctx, &server_certs);
|
|---|
| 2949 | /* Just in case SSLCopyPeerCertificates() returns null too... */
|
|---|
| 2950 | if(err == noErr && server_certs) {
|
|---|
| 2951 | count = CFArrayGetCount(server_certs);
|
|---|
| 2952 | if(ssl_config->certinfo)
|
|---|
| 2953 | result = Curl_ssl_init_certinfo(data, (int)count);
|
|---|
| 2954 | for(i = 0L ; !result && (i < count) ; i++) {
|
|---|
| 2955 | server_cert = (SecCertificateRef)CFArrayGetValueAtIndex(server_certs,
|
|---|
| 2956 | i);
|
|---|
| 2957 | result = collect_server_cert_single(cf, data, server_cert, i);
|
|---|
| 2958 | }
|
|---|
| 2959 | CFRelease(server_certs);
|
|---|
| 2960 | }
|
|---|
| 2961 | #endif /* CURL_SUPPORT_MAC_10_8 */
|
|---|
| 2962 | }
|
|---|
| 2963 | #endif /* CURL_BUILD_IOS */
|
|---|
| 2964 | #else
|
|---|
| 2965 | #pragma unused(trust)
|
|---|
| 2966 | err = SSLCopyPeerCertificates(backend->ssl_ctx, &server_certs);
|
|---|
| 2967 | if(err == noErr) {
|
|---|
| 2968 | count = CFArrayGetCount(server_certs);
|
|---|
| 2969 | if(ssl_config->certinfo)
|
|---|
| 2970 | result = Curl_ssl_init_certinfo(data, (int)count);
|
|---|
| 2971 | for(i = 0L ; !result && (i < count) ; i++) {
|
|---|
| 2972 | server_cert = (SecCertificateRef)CFArrayGetValueAtIndex(server_certs, i);
|
|---|
| 2973 | result = collect_server_cert_single(cf, data, server_cert, i);
|
|---|
| 2974 | }
|
|---|
| 2975 | CFRelease(server_certs);
|
|---|
| 2976 | }
|
|---|
| 2977 | #endif /* CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS */
|
|---|
| 2978 | return result;
|
|---|
| 2979 | }
|
|---|
| 2980 |
|
|---|
| 2981 | static CURLcode sectransp_connect_step3(struct Curl_cfilter *cf,
|
|---|
| 2982 | struct Curl_easy *data)
|
|---|
| 2983 | {
|
|---|
| 2984 | struct ssl_connect_data *connssl = cf->ctx;
|
|---|
| 2985 | CURLcode result;
|
|---|
| 2986 |
|
|---|
| 2987 | DEBUGF(LOG_CF(data, cf, "connect_step3"));
|
|---|
| 2988 | /* There is no step 3!
|
|---|
| 2989 | * Well, okay, let's collect server certificates, and if verbose mode is on,
|
|---|
| 2990 | * let's print the details of the server certificates. */
|
|---|
| 2991 | result = collect_server_cert(cf, data);
|
|---|
| 2992 | if(result)
|
|---|
| 2993 | return result;
|
|---|
| 2994 |
|
|---|
| 2995 | connssl->connecting_state = ssl_connect_done;
|
|---|
| 2996 | return CURLE_OK;
|
|---|
| 2997 | }
|
|---|
| 2998 |
|
|---|
| 2999 | static CURLcode
|
|---|
| 3000 | sectransp_connect_common(struct Curl_cfilter *cf, struct Curl_easy *data,
|
|---|
| 3001 | bool nonblocking,
|
|---|
| 3002 | bool *done)
|
|---|
| 3003 | {
|
|---|
| 3004 | CURLcode result;
|
|---|
| 3005 | struct ssl_connect_data *connssl = cf->ctx;
|
|---|
| 3006 | curl_socket_t sockfd = Curl_conn_cf_get_socket(cf, data);
|
|---|
| 3007 | int what;
|
|---|
| 3008 |
|
|---|
| 3009 | /* check if the connection has already been established */
|
|---|
| 3010 | if(ssl_connection_complete == connssl->state) {
|
|---|
| 3011 | *done = TRUE;
|
|---|
| 3012 | return CURLE_OK;
|
|---|
| 3013 | }
|
|---|
| 3014 |
|
|---|
| 3015 | if(ssl_connect_1 == connssl->connecting_state) {
|
|---|
| 3016 | /* Find out how much more time we're allowed */
|
|---|
| 3017 | const timediff_t timeout_ms = Curl_timeleft(data, NULL, TRUE);
|
|---|
| 3018 |
|
|---|
| 3019 | if(timeout_ms < 0) {
|
|---|
| 3020 | /* no need to continue if time already is up */
|
|---|
| 3021 | failf(data, "SSL connection timeout");
|
|---|
| 3022 | return CURLE_OPERATION_TIMEDOUT;
|
|---|
| 3023 | }
|
|---|
| 3024 |
|
|---|
| 3025 | result = sectransp_connect_step1(cf, data);
|
|---|
| 3026 | if(result)
|
|---|
| 3027 | return result;
|
|---|
| 3028 | }
|
|---|
| 3029 |
|
|---|
| 3030 | while(ssl_connect_2 == connssl->connecting_state ||
|
|---|
| 3031 | ssl_connect_2_reading == connssl->connecting_state ||
|
|---|
| 3032 | ssl_connect_2_writing == connssl->connecting_state) {
|
|---|
| 3033 |
|
|---|
| 3034 | /* check allowed time left */
|
|---|
| 3035 | const timediff_t timeout_ms = Curl_timeleft(data, NULL, TRUE);
|
|---|
| 3036 |
|
|---|
| 3037 | if(timeout_ms < 0) {
|
|---|
| 3038 | /* no need to continue if time already is up */
|
|---|
| 3039 | failf(data, "SSL connection timeout");
|
|---|
| 3040 | return CURLE_OPERATION_TIMEDOUT;
|
|---|
| 3041 | }
|
|---|
| 3042 |
|
|---|
| 3043 | /* if ssl is expecting something, check if it's available. */
|
|---|
| 3044 | if(connssl->connecting_state == ssl_connect_2_reading ||
|
|---|
| 3045 | connssl->connecting_state == ssl_connect_2_writing) {
|
|---|
| 3046 |
|
|---|
| 3047 | curl_socket_t writefd = ssl_connect_2_writing ==
|
|---|
| 3048 | connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
|
|---|
| 3049 | curl_socket_t readfd = ssl_connect_2_reading ==
|
|---|
| 3050 | connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
|
|---|
| 3051 |
|
|---|
| 3052 | what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
|
|---|
| 3053 | nonblocking ? 0 : timeout_ms);
|
|---|
| 3054 | if(what < 0) {
|
|---|
| 3055 | /* fatal error */
|
|---|
| 3056 | failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
|
|---|
| 3057 | return CURLE_SSL_CONNECT_ERROR;
|
|---|
| 3058 | }
|
|---|
| 3059 | else if(0 == what) {
|
|---|
| 3060 | if(nonblocking) {
|
|---|
| 3061 | *done = FALSE;
|
|---|
| 3062 | return CURLE_OK;
|
|---|
| 3063 | }
|
|---|
| 3064 | else {
|
|---|
| 3065 | /* timeout */
|
|---|
| 3066 | failf(data, "SSL connection timeout");
|
|---|
| 3067 | return CURLE_OPERATION_TIMEDOUT;
|
|---|
| 3068 | }
|
|---|
| 3069 | }
|
|---|
| 3070 | /* socket is readable or writable */
|
|---|
| 3071 | }
|
|---|
| 3072 |
|
|---|
| 3073 | /* Run transaction, and return to the caller if it failed or if this
|
|---|
| 3074 | * connection is done nonblocking and this loop would execute again. This
|
|---|
| 3075 | * permits the owner of a multi handle to abort a connection attempt
|
|---|
| 3076 | * before step2 has completed while ensuring that a client using select()
|
|---|
| 3077 | * or epoll() will always have a valid fdset to wait on.
|
|---|
| 3078 | */
|
|---|
| 3079 | result = sectransp_connect_step2(cf, data);
|
|---|
| 3080 | if(result || (nonblocking &&
|
|---|
| 3081 | (ssl_connect_2 == connssl->connecting_state ||
|
|---|
| 3082 | ssl_connect_2_reading == connssl->connecting_state ||
|
|---|
| 3083 | ssl_connect_2_writing == connssl->connecting_state)))
|
|---|
| 3084 | return result;
|
|---|
| 3085 |
|
|---|
| 3086 | } /* repeat step2 until all transactions are done. */
|
|---|
| 3087 |
|
|---|
| 3088 |
|
|---|
| 3089 | if(ssl_connect_3 == connssl->connecting_state) {
|
|---|
| 3090 | result = sectransp_connect_step3(cf, data);
|
|---|
| 3091 | if(result)
|
|---|
| 3092 | return result;
|
|---|
| 3093 | }
|
|---|
| 3094 |
|
|---|
| 3095 | if(ssl_connect_done == connssl->connecting_state) {
|
|---|
| 3096 | DEBUGF(LOG_CF(data, cf, "connected"));
|
|---|
| 3097 | connssl->state = ssl_connection_complete;
|
|---|
| 3098 | *done = TRUE;
|
|---|
| 3099 | }
|
|---|
| 3100 | else
|
|---|
| 3101 | *done = FALSE;
|
|---|
| 3102 |
|
|---|
| 3103 | /* Reset our connect state machine */
|
|---|
| 3104 | connssl->connecting_state = ssl_connect_1;
|
|---|
| 3105 |
|
|---|
| 3106 | return CURLE_OK;
|
|---|
| 3107 | }
|
|---|
| 3108 |
|
|---|
| 3109 | static CURLcode sectransp_connect_nonblocking(struct Curl_cfilter *cf,
|
|---|
| 3110 | struct Curl_easy *data,
|
|---|
| 3111 | bool *done)
|
|---|
| 3112 | {
|
|---|
| 3113 | return sectransp_connect_common(cf, data, TRUE, done);
|
|---|
| 3114 | }
|
|---|
| 3115 |
|
|---|
| 3116 | static CURLcode sectransp_connect(struct Curl_cfilter *cf,
|
|---|
| 3117 | struct Curl_easy *data)
|
|---|
| 3118 | {
|
|---|
| 3119 | CURLcode result;
|
|---|
| 3120 | bool done = FALSE;
|
|---|
| 3121 |
|
|---|
| 3122 | result = sectransp_connect_common(cf, data, FALSE, &done);
|
|---|
| 3123 |
|
|---|
| 3124 | if(result)
|
|---|
| 3125 | return result;
|
|---|
| 3126 |
|
|---|
| 3127 | DEBUGASSERT(done);
|
|---|
| 3128 |
|
|---|
| 3129 | return CURLE_OK;
|
|---|
| 3130 | }
|
|---|
| 3131 |
|
|---|
| 3132 | static void sectransp_close(struct Curl_cfilter *cf, struct Curl_easy *data)
|
|---|
| 3133 | {
|
|---|
| 3134 | struct ssl_connect_data *connssl = cf->ctx;
|
|---|
| 3135 | struct ssl_backend_data *backend = connssl->backend;
|
|---|
| 3136 |
|
|---|
| 3137 | (void) data;
|
|---|
| 3138 |
|
|---|
| 3139 | DEBUGASSERT(backend);
|
|---|
| 3140 |
|
|---|
| 3141 | if(backend->ssl_ctx) {
|
|---|
| 3142 | DEBUGF(LOG_CF(data, cf, "close"));
|
|---|
| 3143 | (void)SSLClose(backend->ssl_ctx);
|
|---|
| 3144 | #if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
|
|---|
| 3145 | if(SSLCreateContext)
|
|---|
| 3146 | CFRelease(backend->ssl_ctx);
|
|---|
| 3147 | #if CURL_SUPPORT_MAC_10_8
|
|---|
| 3148 | else
|
|---|
| 3149 | (void)SSLDisposeContext(backend->ssl_ctx);
|
|---|
| 3150 | #endif /* CURL_SUPPORT_MAC_10_8 */
|
|---|
| 3151 | #else
|
|---|
| 3152 | (void)SSLDisposeContext(backend->ssl_ctx);
|
|---|
| 3153 | #endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
|
|---|
| 3154 | backend->ssl_ctx = NULL;
|
|---|
| 3155 | }
|
|---|
| 3156 | }
|
|---|
| 3157 |
|
|---|
| 3158 | static int sectransp_shutdown(struct Curl_cfilter *cf,
|
|---|
| 3159 | struct Curl_easy *data)
|
|---|
| 3160 | {
|
|---|
| 3161 | struct ssl_connect_data *connssl = cf->ctx;
|
|---|
| 3162 | struct ssl_backend_data *backend = connssl->backend;
|
|---|
| 3163 | ssize_t nread;
|
|---|
| 3164 | int what;
|
|---|
| 3165 | int rc;
|
|---|
| 3166 | char buf[120];
|
|---|
| 3167 | int loop = 10; /* avoid getting stuck */
|
|---|
| 3168 | CURLcode result;
|
|---|
| 3169 |
|
|---|
| 3170 | DEBUGASSERT(backend);
|
|---|
| 3171 |
|
|---|
| 3172 | if(!backend->ssl_ctx)
|
|---|
| 3173 | return 0;
|
|---|
| 3174 |
|
|---|
| 3175 | #ifndef CURL_DISABLE_FTP
|
|---|
| 3176 | if(data->set.ftp_ccc != CURLFTPSSL_CCC_ACTIVE)
|
|---|
| 3177 | return 0;
|
|---|
| 3178 | #endif
|
|---|
| 3179 |
|
|---|
| 3180 | sectransp_close(cf, data);
|
|---|
| 3181 |
|
|---|
| 3182 | rc = 0;
|
|---|
| 3183 |
|
|---|
| 3184 | what = SOCKET_READABLE(Curl_conn_cf_get_socket(cf, data),
|
|---|
| 3185 | SSL_SHUTDOWN_TIMEOUT);
|
|---|
| 3186 |
|
|---|
| 3187 | DEBUGF(LOG_CF(data, cf, "shutdown"));
|
|---|
| 3188 | while(loop--) {
|
|---|
| 3189 | if(what < 0) {
|
|---|
| 3190 | /* anything that gets here is fatally bad */
|
|---|
| 3191 | failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
|
|---|
| 3192 | rc = -1;
|
|---|
| 3193 | break;
|
|---|
| 3194 | }
|
|---|
| 3195 |
|
|---|
| 3196 | if(!what) { /* timeout */
|
|---|
| 3197 | failf(data, "SSL shutdown timeout");
|
|---|
| 3198 | break;
|
|---|
| 3199 | }
|
|---|
| 3200 |
|
|---|
| 3201 | /* Something to read, let's do it and hope that it is the close
|
|---|
| 3202 | notify alert from the server. No way to SSL_Read now, so use read(). */
|
|---|
| 3203 |
|
|---|
| 3204 | nread = Curl_conn_cf_recv(cf->next, data, buf, sizeof(buf), &result);
|
|---|
| 3205 |
|
|---|
| 3206 | if(nread < 0) {
|
|---|
| 3207 | failf(data, "read: %s", curl_easy_strerror(result));
|
|---|
| 3208 | rc = -1;
|
|---|
| 3209 | }
|
|---|
| 3210 |
|
|---|
| 3211 | if(nread <= 0)
|
|---|
| 3212 | break;
|
|---|
| 3213 |
|
|---|
| 3214 | what = SOCKET_READABLE(Curl_conn_cf_get_socket(cf, data), 0);
|
|---|
| 3215 | }
|
|---|
| 3216 |
|
|---|
| 3217 | return rc;
|
|---|
| 3218 | }
|
|---|
| 3219 |
|
|---|
| 3220 | static void sectransp_session_free(void *ptr)
|
|---|
| 3221 | {
|
|---|
| 3222 | /* ST, as of iOS 5 and Mountain Lion, has no public method of deleting a
|
|---|
| 3223 | cached session ID inside the Security framework. There is a private
|
|---|
| 3224 | function that does this, but I don't want to have to explain to you why I
|
|---|
| 3225 | got your application rejected from the App Store due to the use of a
|
|---|
| 3226 | private API, so the best we can do is free up our own char array that we
|
|---|
| 3227 | created way back in sectransp_connect_step1... */
|
|---|
| 3228 | Curl_safefree(ptr);
|
|---|
| 3229 | }
|
|---|
| 3230 |
|
|---|
| 3231 | static size_t sectransp_version(char *buffer, size_t size)
|
|---|
| 3232 | {
|
|---|
| 3233 | return msnprintf(buffer, size, "SecureTransport");
|
|---|
| 3234 | }
|
|---|
| 3235 |
|
|---|
| 3236 | static bool sectransp_data_pending(struct Curl_cfilter *cf,
|
|---|
| 3237 | const struct Curl_easy *data)
|
|---|
| 3238 | {
|
|---|
| 3239 | const struct ssl_connect_data *connssl = cf->ctx;
|
|---|
| 3240 | struct ssl_backend_data *backend = connssl->backend;
|
|---|
| 3241 | OSStatus err;
|
|---|
| 3242 | size_t buffer;
|
|---|
| 3243 |
|
|---|
| 3244 | (void)data;
|
|---|
| 3245 | DEBUGASSERT(backend);
|
|---|
| 3246 |
|
|---|
| 3247 | if(backend->ssl_ctx) { /* SSL is in use */
|
|---|
| 3248 | DEBUGF(LOG_CF((struct Curl_easy *)data, cf, "data_pending"));
|
|---|
| 3249 | err = SSLGetBufferedReadSize(backend->ssl_ctx, &buffer);
|
|---|
| 3250 | if(err == noErr)
|
|---|
| 3251 | return buffer > 0UL;
|
|---|
| 3252 | return false;
|
|---|
| 3253 | }
|
|---|
| 3254 | else
|
|---|
| 3255 | return false;
|
|---|
| 3256 | }
|
|---|
| 3257 |
|
|---|
| 3258 | static CURLcode sectransp_random(struct Curl_easy *data UNUSED_PARAM,
|
|---|
| 3259 | unsigned char *entropy, size_t length)
|
|---|
| 3260 | {
|
|---|
| 3261 | /* arc4random_buf() isn't available on cats older than Lion, so let's
|
|---|
| 3262 | do this manually for the benefit of the older cats. */
|
|---|
| 3263 | size_t i;
|
|---|
| 3264 | u_int32_t random_number = 0;
|
|---|
| 3265 |
|
|---|
| 3266 | (void)data;
|
|---|
| 3267 |
|
|---|
| 3268 | for(i = 0 ; i < length ; i++) {
|
|---|
| 3269 | if(i % sizeof(u_int32_t) == 0)
|
|---|
| 3270 | random_number = arc4random();
|
|---|
| 3271 | entropy[i] = random_number & 0xFF;
|
|---|
| 3272 | random_number >>= 8;
|
|---|
| 3273 | }
|
|---|
| 3274 | i = random_number = 0;
|
|---|
| 3275 | return CURLE_OK;
|
|---|
| 3276 | }
|
|---|
| 3277 |
|
|---|
| 3278 | static CURLcode sectransp_sha256sum(const unsigned char *tmp, /* input */
|
|---|
| 3279 | size_t tmplen,
|
|---|
| 3280 | unsigned char *sha256sum, /* output */
|
|---|
| 3281 | size_t sha256len)
|
|---|
| 3282 | {
|
|---|
| 3283 | assert(sha256len >= CURL_SHA256_DIGEST_LENGTH);
|
|---|
| 3284 | (void)CC_SHA256(tmp, (CC_LONG)tmplen, sha256sum);
|
|---|
| 3285 | return CURLE_OK;
|
|---|
| 3286 | }
|
|---|
| 3287 |
|
|---|
| 3288 | static bool sectransp_false_start(void)
|
|---|
| 3289 | {
|
|---|
| 3290 | #if CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7
|
|---|
| 3291 | if(SSLSetSessionOption)
|
|---|
| 3292 | return TRUE;
|
|---|
| 3293 | #endif
|
|---|
| 3294 | return FALSE;
|
|---|
| 3295 | }
|
|---|
| 3296 |
|
|---|
| 3297 | static ssize_t sectransp_send(struct Curl_cfilter *cf,
|
|---|
| 3298 | struct Curl_easy *data,
|
|---|
| 3299 | const void *mem,
|
|---|
| 3300 | size_t len,
|
|---|
| 3301 | CURLcode *curlcode)
|
|---|
| 3302 | {
|
|---|
| 3303 | struct ssl_connect_data *connssl = cf->ctx;
|
|---|
| 3304 | struct ssl_backend_data *backend = connssl->backend;
|
|---|
| 3305 | size_t processed = 0UL;
|
|---|
| 3306 | OSStatus err;
|
|---|
| 3307 |
|
|---|
| 3308 | DEBUGASSERT(backend);
|
|---|
| 3309 |
|
|---|
| 3310 | /* The SSLWrite() function works a little differently than expected. The
|
|---|
| 3311 | fourth argument (processed) is currently documented in Apple's
|
|---|
| 3312 | documentation as: "On return, the length, in bytes, of the data actually
|
|---|
| 3313 | written."
|
|---|
| 3314 |
|
|---|
| 3315 | Now, one could interpret that as "written to the socket," but actually,
|
|---|
| 3316 | it returns the amount of data that was written to a buffer internal to
|
|---|
| 3317 | the SSLContextRef instead. So it's possible for SSLWrite() to return
|
|---|
| 3318 | errSSLWouldBlock and a number of bytes "written" because those bytes were
|
|---|
| 3319 | encrypted and written to a buffer, not to the socket.
|
|---|
| 3320 |
|
|---|
| 3321 | So if this happens, then we need to keep calling SSLWrite() over and
|
|---|
| 3322 | over again with no new data until it quits returning errSSLWouldBlock. */
|
|---|
| 3323 |
|
|---|
| 3324 | /* Do we have buffered data to write from the last time we were called? */
|
|---|
| 3325 | if(backend->ssl_write_buffered_length) {
|
|---|
| 3326 | /* Write the buffered data: */
|
|---|
| 3327 | err = SSLWrite(backend->ssl_ctx, NULL, 0UL, &processed);
|
|---|
| 3328 | switch(err) {
|
|---|
| 3329 | case noErr:
|
|---|
| 3330 | /* processed is always going to be 0 because we didn't write to
|
|---|
| 3331 | the buffer, so return how much was written to the socket */
|
|---|
| 3332 | processed = backend->ssl_write_buffered_length;
|
|---|
| 3333 | backend->ssl_write_buffered_length = 0UL;
|
|---|
| 3334 | break;
|
|---|
| 3335 | case errSSLWouldBlock: /* argh, try again */
|
|---|
| 3336 | *curlcode = CURLE_AGAIN;
|
|---|
| 3337 | return -1L;
|
|---|
| 3338 | default:
|
|---|
| 3339 | failf(data, "SSLWrite() returned error %d", err);
|
|---|
| 3340 | *curlcode = CURLE_SEND_ERROR;
|
|---|
| 3341 | return -1L;
|
|---|
| 3342 | }
|
|---|
| 3343 | }
|
|---|
| 3344 | else {
|
|---|
| 3345 | /* We've got new data to write: */
|
|---|
| 3346 | err = SSLWrite(backend->ssl_ctx, mem, len, &processed);
|
|---|
| 3347 | if(err != noErr) {
|
|---|
| 3348 | switch(err) {
|
|---|
| 3349 | case errSSLWouldBlock:
|
|---|
| 3350 | /* Data was buffered but not sent, we have to tell the caller
|
|---|
| 3351 | to try sending again, and remember how much was buffered */
|
|---|
| 3352 | backend->ssl_write_buffered_length = len;
|
|---|
| 3353 | *curlcode = CURLE_AGAIN;
|
|---|
| 3354 | return -1L;
|
|---|
| 3355 | default:
|
|---|
| 3356 | failf(data, "SSLWrite() returned error %d", err);
|
|---|
| 3357 | *curlcode = CURLE_SEND_ERROR;
|
|---|
| 3358 | return -1L;
|
|---|
| 3359 | }
|
|---|
| 3360 | }
|
|---|
| 3361 | }
|
|---|
| 3362 | return (ssize_t)processed;
|
|---|
| 3363 | }
|
|---|
| 3364 |
|
|---|
| 3365 | static ssize_t sectransp_recv(struct Curl_cfilter *cf,
|
|---|
| 3366 | struct Curl_easy *data,
|
|---|
| 3367 | char *buf,
|
|---|
| 3368 | size_t buffersize,
|
|---|
| 3369 | CURLcode *curlcode)
|
|---|
| 3370 | {
|
|---|
| 3371 | struct ssl_connect_data *connssl = cf->ctx;
|
|---|
| 3372 | struct ssl_backend_data *backend = connssl->backend;
|
|---|
| 3373 | struct ssl_primary_config *conn_config = Curl_ssl_cf_get_primary_config(cf);
|
|---|
| 3374 | size_t processed = 0UL;
|
|---|
| 3375 | OSStatus err;
|
|---|
| 3376 |
|
|---|
| 3377 | DEBUGASSERT(backend);
|
|---|
| 3378 |
|
|---|
| 3379 | again:
|
|---|
| 3380 | *curlcode = CURLE_OK;
|
|---|
| 3381 | err = SSLRead(backend->ssl_ctx, buf, buffersize, &processed);
|
|---|
| 3382 |
|
|---|
| 3383 | if(err != noErr) {
|
|---|
| 3384 | switch(err) {
|
|---|
| 3385 | case errSSLWouldBlock: /* return how much we read (if anything) */
|
|---|
| 3386 | if(processed) {
|
|---|
| 3387 | return (ssize_t)processed;
|
|---|
| 3388 | }
|
|---|
| 3389 | *curlcode = CURLE_AGAIN;
|
|---|
| 3390 | return -1L;
|
|---|
| 3391 | break;
|
|---|
| 3392 |
|
|---|
| 3393 | /* errSSLClosedGraceful - server gracefully shut down the SSL session
|
|---|
| 3394 | errSSLClosedNoNotify - server hung up on us instead of sending a
|
|---|
| 3395 | closure alert notice, read() is returning 0
|
|---|
| 3396 | Either way, inform the caller that the server disconnected. */
|
|---|
| 3397 | case errSSLClosedGraceful:
|
|---|
| 3398 | case errSSLClosedNoNotify:
|
|---|
| 3399 | *curlcode = CURLE_OK;
|
|---|
| 3400 | return 0;
|
|---|
| 3401 | break;
|
|---|
| 3402 |
|
|---|
| 3403 | /* The below is errSSLPeerAuthCompleted; it's not defined in
|
|---|
| 3404 | Leopard's headers */
|
|---|
| 3405 | case -9841:
|
|---|
| 3406 | if((conn_config->CAfile || conn_config->ca_info_blob) &&
|
|---|
| 3407 | conn_config->verifypeer) {
|
|---|
| 3408 | CURLcode result = verify_cert(cf, data, conn_config->CAfile,
|
|---|
| 3409 | conn_config->ca_info_blob,
|
|---|
| 3410 | backend->ssl_ctx);
|
|---|
| 3411 | if(result) {
|
|---|
| 3412 | *curlcode = result;
|
|---|
| 3413 | return -1;
|
|---|
| 3414 | }
|
|---|
| 3415 | }
|
|---|
| 3416 | goto again;
|
|---|
| 3417 | default:
|
|---|
| 3418 | failf(data, "SSLRead() return error %d", err);
|
|---|
| 3419 | *curlcode = CURLE_RECV_ERROR;
|
|---|
| 3420 | return -1L;
|
|---|
| 3421 | break;
|
|---|
| 3422 | }
|
|---|
| 3423 | }
|
|---|
| 3424 | return (ssize_t)processed;
|
|---|
| 3425 | }
|
|---|
| 3426 |
|
|---|
| 3427 | static void *sectransp_get_internals(struct ssl_connect_data *connssl,
|
|---|
| 3428 | CURLINFO info UNUSED_PARAM)
|
|---|
| 3429 | {
|
|---|
| 3430 | struct ssl_backend_data *backend = connssl->backend;
|
|---|
| 3431 | (void)info;
|
|---|
| 3432 | DEBUGASSERT(backend);
|
|---|
| 3433 | return backend->ssl_ctx;
|
|---|
| 3434 | }
|
|---|
| 3435 |
|
|---|
| 3436 | const struct Curl_ssl Curl_ssl_sectransp = {
|
|---|
| 3437 | { CURLSSLBACKEND_SECURETRANSPORT, "secure-transport" }, /* info */
|
|---|
| 3438 |
|
|---|
| 3439 | SSLSUPP_CAINFO_BLOB |
|
|---|
| 3440 | SSLSUPP_CERTINFO |
|
|---|
| 3441 | #ifdef SECTRANSP_PINNEDPUBKEY
|
|---|
| 3442 | SSLSUPP_PINNEDPUBKEY |
|
|---|
| 3443 | #endif /* SECTRANSP_PINNEDPUBKEY */
|
|---|
| 3444 | SSLSUPP_HTTPS_PROXY,
|
|---|
| 3445 |
|
|---|
| 3446 | sizeof(struct ssl_backend_data),
|
|---|
| 3447 |
|
|---|
| 3448 | Curl_none_init, /* init */
|
|---|
| 3449 | Curl_none_cleanup, /* cleanup */
|
|---|
| 3450 | sectransp_version, /* version */
|
|---|
| 3451 | Curl_none_check_cxn, /* check_cxn */
|
|---|
| 3452 | sectransp_shutdown, /* shutdown */
|
|---|
| 3453 | sectransp_data_pending, /* data_pending */
|
|---|
| 3454 | sectransp_random, /* random */
|
|---|
| 3455 | Curl_none_cert_status_request, /* cert_status_request */
|
|---|
| 3456 | sectransp_connect, /* connect */
|
|---|
| 3457 | sectransp_connect_nonblocking, /* connect_nonblocking */
|
|---|
| 3458 | Curl_ssl_get_select_socks, /* getsock */
|
|---|
| 3459 | sectransp_get_internals, /* get_internals */
|
|---|
| 3460 | sectransp_close, /* close_one */
|
|---|
| 3461 | Curl_none_close_all, /* close_all */
|
|---|
| 3462 | sectransp_session_free, /* session_free */
|
|---|
| 3463 | Curl_none_set_engine, /* set_engine */
|
|---|
| 3464 | Curl_none_set_engine_default, /* set_engine_default */
|
|---|
| 3465 | Curl_none_engines_list, /* engines_list */
|
|---|
| 3466 | sectransp_false_start, /* false_start */
|
|---|
| 3467 | sectransp_sha256sum, /* sha256sum */
|
|---|
| 3468 | NULL, /* associate_connection */
|
|---|
| 3469 | NULL, /* disassociate_connection */
|
|---|
| 3470 | NULL, /* free_multi_ssl_backend_data */
|
|---|
| 3471 | sectransp_recv, /* recv decrypted data */
|
|---|
| 3472 | sectransp_send, /* send data to encrypt */
|
|---|
| 3473 | };
|
|---|
| 3474 |
|
|---|
| 3475 | #ifdef __clang__
|
|---|
| 3476 | #pragma clang diagnostic pop
|
|---|
| 3477 | #endif
|
|---|
| 3478 |
|
|---|
| 3479 | #endif /* USE_SECTRANSP */
|
|---|
