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source: vbox/trunk/src/libs/openssl-3.1.0/gen-includes/openssl/ssl.h@ 99863

Last change on this file since 99863 was 99371, checked in by vboxsync, 22 months ago

openssl-3.1.0: After generating headers and asm (kmk recreate-headers recreate-headers)
File size: 122.0 KB
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1/*
2 * WARNING: do not edit!
3 * Generated by Makefile from ssl.h.in
4 *
5 * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
6 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
7 * Copyright 2005 Nokia. All rights reserved.
8 *
9 * Licensed under the Apache License 2.0 (the "License"). You may not use
10 * this file except in compliance with the License. You can obtain a copy
11 * in the file LICENSE in the source distribution or at
12 * https://www.openssl.org/source/license.html
13 */
14
15
16
17#ifndef OPENSSL_SSL_H
18# define OPENSSL_SSL_H
19# pragma once
20
21# include <openssl/macros.h>
22# ifndef OPENSSL_NO_DEPRECATED_3_0
23# define HEADER_SSL_H
24# endif
25
26# include <openssl/e_os2.h>
27# include <openssl/opensslconf.h>
28# include <openssl/comp.h>
29# include <openssl/bio.h>
30# ifndef OPENSSL_NO_DEPRECATED_1_1_0
31# include <openssl/x509.h>
32# include <openssl/crypto.h>
33# include <openssl/buffer.h>
34# endif
35# include <openssl/lhash.h>
36# include <openssl/pem.h>
37# include <openssl/hmac.h>
38# include <openssl/async.h>
39
40# include <openssl/safestack.h>
41# include <openssl/symhacks.h>
42# include <openssl/ct.h>
43# include <openssl/sslerr.h>
44# include <openssl/prov_ssl.h>
45# ifndef OPENSSL_NO_STDIO
46# include <stdio.h>
47# endif
48
49#ifdef __cplusplus
50extern "C" {
51#endif
52
53/* OpenSSL version number for ASN.1 encoding of the session information */
54/*-
55 * Version 0 - initial version
56 * Version 1 - added the optional peer certificate
57 */
58# define SSL_SESSION_ASN1_VERSION 0x0001
59
60# define SSL_MAX_SSL_SESSION_ID_LENGTH 32
61# define SSL_MAX_SID_CTX_LENGTH 32
62
63# define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES (512/8)
64# define SSL_MAX_KEY_ARG_LENGTH 8
65/* SSL_MAX_MASTER_KEY_LENGTH is defined in prov_ssl.h */
66
67/* The maximum number of encrypt/decrypt pipelines we can support */
68# define SSL_MAX_PIPELINES 32
69
70/* text strings for the ciphers */
71
72/* These are used to specify which ciphers to use and not to use */
73
74# define SSL_TXT_LOW "LOW"
75# define SSL_TXT_MEDIUM "MEDIUM"
76# define SSL_TXT_HIGH "HIGH"
77# define SSL_TXT_FIPS "FIPS"
78
79# define SSL_TXT_aNULL "aNULL"
80# define SSL_TXT_eNULL "eNULL"
81# define SSL_TXT_NULL "NULL"
82
83# define SSL_TXT_kRSA "kRSA"
84# define SSL_TXT_kDHr "kDHr"/* this cipher class has been removed */
85# define SSL_TXT_kDHd "kDHd"/* this cipher class has been removed */
86# define SSL_TXT_kDH "kDH"/* this cipher class has been removed */
87# define SSL_TXT_kEDH "kEDH"/* alias for kDHE */
88# define SSL_TXT_kDHE "kDHE"
89# define SSL_TXT_kECDHr "kECDHr"/* this cipher class has been removed */
90# define SSL_TXT_kECDHe "kECDHe"/* this cipher class has been removed */
91# define SSL_TXT_kECDH "kECDH"/* this cipher class has been removed */
92# define SSL_TXT_kEECDH "kEECDH"/* alias for kECDHE */
93# define SSL_TXT_kECDHE "kECDHE"
94# define SSL_TXT_kPSK "kPSK"
95# define SSL_TXT_kRSAPSK "kRSAPSK"
96# define SSL_TXT_kECDHEPSK "kECDHEPSK"
97# define SSL_TXT_kDHEPSK "kDHEPSK"
98# define SSL_TXT_kGOST "kGOST"
99# define SSL_TXT_kGOST18 "kGOST18"
100# define SSL_TXT_kSRP "kSRP"
101
102# define SSL_TXT_aRSA "aRSA"
103# define SSL_TXT_aDSS "aDSS"
104# define SSL_TXT_aDH "aDH"/* this cipher class has been removed */
105# define SSL_TXT_aECDH "aECDH"/* this cipher class has been removed */
106# define SSL_TXT_aECDSA "aECDSA"
107# define SSL_TXT_aPSK "aPSK"
108# define SSL_TXT_aGOST94 "aGOST94"
109# define SSL_TXT_aGOST01 "aGOST01"
110# define SSL_TXT_aGOST12 "aGOST12"
111# define SSL_TXT_aGOST "aGOST"
112# define SSL_TXT_aSRP "aSRP"
113
114# define SSL_TXT_DSS "DSS"
115# define SSL_TXT_DH "DH"
116# define SSL_TXT_DHE "DHE"/* same as "kDHE:-ADH" */
117# define SSL_TXT_EDH "EDH"/* alias for DHE */
118# define SSL_TXT_ADH "ADH"
119# define SSL_TXT_RSA "RSA"
120# define SSL_TXT_ECDH "ECDH"
121# define SSL_TXT_EECDH "EECDH"/* alias for ECDHE" */
122# define SSL_TXT_ECDHE "ECDHE"/* same as "kECDHE:-AECDH" */
123# define SSL_TXT_AECDH "AECDH"
124# define SSL_TXT_ECDSA "ECDSA"
125# define SSL_TXT_PSK "PSK"
126# define SSL_TXT_SRP "SRP"
127
128# define SSL_TXT_DES "DES"
129# define SSL_TXT_3DES "3DES"
130# define SSL_TXT_RC4 "RC4"
131# define SSL_TXT_RC2 "RC2"
132# define SSL_TXT_IDEA "IDEA"
133# define SSL_TXT_SEED "SEED"
134# define SSL_TXT_AES128 "AES128"
135# define SSL_TXT_AES256 "AES256"
136# define SSL_TXT_AES "AES"
137# define SSL_TXT_AES_GCM "AESGCM"
138# define SSL_TXT_AES_CCM "AESCCM"
139# define SSL_TXT_AES_CCM_8 "AESCCM8"
140# define SSL_TXT_CAMELLIA128 "CAMELLIA128"
141# define SSL_TXT_CAMELLIA256 "CAMELLIA256"
142# define SSL_TXT_CAMELLIA "CAMELLIA"
143# define SSL_TXT_CHACHA20 "CHACHA20"
144# define SSL_TXT_GOST "GOST89"
145# define SSL_TXT_ARIA "ARIA"
146# define SSL_TXT_ARIA_GCM "ARIAGCM"
147# define SSL_TXT_ARIA128 "ARIA128"
148# define SSL_TXT_ARIA256 "ARIA256"
149# define SSL_TXT_GOST2012_GOST8912_GOST8912 "GOST2012-GOST8912-GOST8912"
150# define SSL_TXT_CBC "CBC"
151
152# define SSL_TXT_MD5 "MD5"
153# define SSL_TXT_SHA1 "SHA1"
154# define SSL_TXT_SHA "SHA"/* same as "SHA1" */
155# define SSL_TXT_GOST94 "GOST94"
156# define SSL_TXT_GOST89MAC "GOST89MAC"
157# define SSL_TXT_GOST12 "GOST12"
158# define SSL_TXT_GOST89MAC12 "GOST89MAC12"
159# define SSL_TXT_SHA256 "SHA256"
160# define SSL_TXT_SHA384 "SHA384"
161
162# define SSL_TXT_SSLV3 "SSLv3"
163# define SSL_TXT_TLSV1 "TLSv1"
164# define SSL_TXT_TLSV1_1 "TLSv1.1"
165# define SSL_TXT_TLSV1_2 "TLSv1.2"
166
167# define SSL_TXT_ALL "ALL"
168
169/*-
170 * COMPLEMENTOF* definitions. These identifiers are used to (de-select)
171 * ciphers normally not being used.
172 * Example: "RC4" will activate all ciphers using RC4 including ciphers
173 * without authentication, which would normally disabled by DEFAULT (due
174 * the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT"
175 * will make sure that it is also disabled in the specific selection.
176 * COMPLEMENTOF* identifiers are portable between version, as adjustments
177 * to the default cipher setup will also be included here.
178 *
179 * COMPLEMENTOFDEFAULT does not experience the same special treatment that
180 * DEFAULT gets, as only selection is being done and no sorting as needed
181 * for DEFAULT.
182 */
183# define SSL_TXT_CMPALL "COMPLEMENTOFALL"
184# define SSL_TXT_CMPDEF "COMPLEMENTOFDEFAULT"
185
186/*
187 * The following cipher list is used by default. It also is substituted when
188 * an application-defined cipher list string starts with 'DEFAULT'.
189 * This applies to ciphersuites for TLSv1.2 and below.
190 * DEPRECATED IN 3.0.0, in favor of OSSL_default_cipher_list()
191 * Update both macro and function simultaneously
192 */
193# ifndef OPENSSL_NO_DEPRECATED_3_0
194# define SSL_DEFAULT_CIPHER_LIST "ALL:!COMPLEMENTOFDEFAULT:!eNULL"
195/*
196 * This is the default set of TLSv1.3 ciphersuites
197 * DEPRECATED IN 3.0.0, in favor of OSSL_default_ciphersuites()
198 * Update both macro and function simultaneously
199 */
200# define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \
201 "TLS_CHACHA20_POLY1305_SHA256:" \
202 "TLS_AES_128_GCM_SHA256"
203# endif
204/*
205 * As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always
206 * starts with a reasonable order, and all we have to do for DEFAULT is
207 * throwing out anonymous and unencrypted ciphersuites! (The latter are not
208 * actually enabled by ALL, but "ALL:RSA" would enable some of them.)
209 */
210
211/* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
212# define SSL_SENT_SHUTDOWN 1
213# define SSL_RECEIVED_SHUTDOWN 2
214
215#ifdef __cplusplus
216}
217#endif
218
219#ifdef __cplusplus
220extern "C" {
221#endif
222
223# define SSL_FILETYPE_ASN1 X509_FILETYPE_ASN1
224# define SSL_FILETYPE_PEM X509_FILETYPE_PEM
225
226/*
227 * This is needed to stop compilers complaining about the 'struct ssl_st *'
228 * function parameters used to prototype callbacks in SSL_CTX.
229 */
230typedef struct ssl_st *ssl_crock_st;
231typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
232typedef struct ssl_method_st SSL_METHOD;
233typedef struct ssl_cipher_st SSL_CIPHER;
234typedef struct ssl_session_st SSL_SESSION;
235typedef struct tls_sigalgs_st TLS_SIGALGS;
236typedef struct ssl_conf_ctx_st SSL_CONF_CTX;
237typedef struct ssl_comp_st SSL_COMP;
238
239STACK_OF(SSL_CIPHER);
240STACK_OF(SSL_COMP);
241
242/* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/
243typedef struct srtp_protection_profile_st {
244 const char *name;
245 unsigned long id;
246} SRTP_PROTECTION_PROFILE;
247SKM_DEFINE_STACK_OF_INTERNAL(SRTP_PROTECTION_PROFILE, SRTP_PROTECTION_PROFILE, SRTP_PROTECTION_PROFILE)
248#define sk_SRTP_PROTECTION_PROFILE_num(sk) OPENSSL_sk_num(ossl_check_const_SRTP_PROTECTION_PROFILE_sk_type(sk))
249#define sk_SRTP_PROTECTION_PROFILE_value(sk, idx) ((SRTP_PROTECTION_PROFILE *)OPENSSL_sk_value(ossl_check_const_SRTP_PROTECTION_PROFILE_sk_type(sk), (idx)))
250#define sk_SRTP_PROTECTION_PROFILE_new(cmp) ((STACK_OF(SRTP_PROTECTION_PROFILE) *)OPENSSL_sk_new(ossl_check_SRTP_PROTECTION_PROFILE_compfunc_type(cmp)))
251#define sk_SRTP_PROTECTION_PROFILE_new_null() ((STACK_OF(SRTP_PROTECTION_PROFILE) *)OPENSSL_sk_new_null())
252#define sk_SRTP_PROTECTION_PROFILE_new_reserve(cmp, n) ((STACK_OF(SRTP_PROTECTION_PROFILE) *)OPENSSL_sk_new_reserve(ossl_check_SRTP_PROTECTION_PROFILE_compfunc_type(cmp), (n)))
253#define sk_SRTP_PROTECTION_PROFILE_reserve(sk, n) OPENSSL_sk_reserve(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), (n))
254#define sk_SRTP_PROTECTION_PROFILE_free(sk) OPENSSL_sk_free(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk))
255#define sk_SRTP_PROTECTION_PROFILE_zero(sk) OPENSSL_sk_zero(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk))
256#define sk_SRTP_PROTECTION_PROFILE_delete(sk, i) ((SRTP_PROTECTION_PROFILE *)OPENSSL_sk_delete(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), (i)))
257#define sk_SRTP_PROTECTION_PROFILE_delete_ptr(sk, ptr) ((SRTP_PROTECTION_PROFILE *)OPENSSL_sk_delete_ptr(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_type(ptr)))
258#define sk_SRTP_PROTECTION_PROFILE_push(sk, ptr) OPENSSL_sk_push(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_type(ptr))
259#define sk_SRTP_PROTECTION_PROFILE_unshift(sk, ptr) OPENSSL_sk_unshift(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_type(ptr))
260#define sk_SRTP_PROTECTION_PROFILE_pop(sk) ((SRTP_PROTECTION_PROFILE *)OPENSSL_sk_pop(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk)))
261#define sk_SRTP_PROTECTION_PROFILE_shift(sk) ((SRTP_PROTECTION_PROFILE *)OPENSSL_sk_shift(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk)))
262#define sk_SRTP_PROTECTION_PROFILE_pop_free(sk, freefunc) OPENSSL_sk_pop_free(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk),ossl_check_SRTP_PROTECTION_PROFILE_freefunc_type(freefunc))
263#define sk_SRTP_PROTECTION_PROFILE_insert(sk, ptr, idx) OPENSSL_sk_insert(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_type(ptr), (idx))
264#define sk_SRTP_PROTECTION_PROFILE_set(sk, idx, ptr) ((SRTP_PROTECTION_PROFILE *)OPENSSL_sk_set(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), (idx), ossl_check_SRTP_PROTECTION_PROFILE_type(ptr)))
265#define sk_SRTP_PROTECTION_PROFILE_find(sk, ptr) OPENSSL_sk_find(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_type(ptr))
266#define sk_SRTP_PROTECTION_PROFILE_find_ex(sk, ptr) OPENSSL_sk_find_ex(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_type(ptr))
267#define sk_SRTP_PROTECTION_PROFILE_find_all(sk, ptr, pnum) OPENSSL_sk_find_all(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_type(ptr), pnum)
268#define sk_SRTP_PROTECTION_PROFILE_sort(sk) OPENSSL_sk_sort(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk))
269#define sk_SRTP_PROTECTION_PROFILE_is_sorted(sk) OPENSSL_sk_is_sorted(ossl_check_const_SRTP_PROTECTION_PROFILE_sk_type(sk))
270#define sk_SRTP_PROTECTION_PROFILE_dup(sk) ((STACK_OF(SRTP_PROTECTION_PROFILE) *)OPENSSL_sk_dup(ossl_check_const_SRTP_PROTECTION_PROFILE_sk_type(sk)))
271#define sk_SRTP_PROTECTION_PROFILE_deep_copy(sk, copyfunc, freefunc) ((STACK_OF(SRTP_PROTECTION_PROFILE) *)OPENSSL_sk_deep_copy(ossl_check_const_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_copyfunc_type(copyfunc), ossl_check_SRTP_PROTECTION_PROFILE_freefunc_type(freefunc)))
272#define sk_SRTP_PROTECTION_PROFILE_set_cmp_func(sk, cmp) ((sk_SRTP_PROTECTION_PROFILE_compfunc)OPENSSL_sk_set_cmp_func(ossl_check_SRTP_PROTECTION_PROFILE_sk_type(sk), ossl_check_SRTP_PROTECTION_PROFILE_compfunc_type(cmp)))
273
274
275
276typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data,
277 int len, void *arg);
278typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len,
279 STACK_OF(SSL_CIPHER) *peer_ciphers,
280 const SSL_CIPHER **cipher, void *arg);
281
282/* Extension context codes */
283/* This extension is only allowed in TLS */
284#define SSL_EXT_TLS_ONLY 0x0001
285/* This extension is only allowed in DTLS */
286#define SSL_EXT_DTLS_ONLY 0x0002
287/* Some extensions may be allowed in DTLS but we don't implement them for it */
288#define SSL_EXT_TLS_IMPLEMENTATION_ONLY 0x0004
289/* Most extensions are not defined for SSLv3 but EXT_TYPE_renegotiate is */
290#define SSL_EXT_SSL3_ALLOWED 0x0008
291/* Extension is only defined for TLS1.2 and below */
292#define SSL_EXT_TLS1_2_AND_BELOW_ONLY 0x0010
293/* Extension is only defined for TLS1.3 and above */
294#define SSL_EXT_TLS1_3_ONLY 0x0020
295/* Ignore this extension during parsing if we are resuming */
296#define SSL_EXT_IGNORE_ON_RESUMPTION 0x0040
297#define SSL_EXT_CLIENT_HELLO 0x0080
298/* Really means TLS1.2 or below */
299#define SSL_EXT_TLS1_2_SERVER_HELLO 0x0100
300#define SSL_EXT_TLS1_3_SERVER_HELLO 0x0200
301#define SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS 0x0400
302#define SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST 0x0800
303#define SSL_EXT_TLS1_3_CERTIFICATE 0x1000
304#define SSL_EXT_TLS1_3_NEW_SESSION_TICKET 0x2000
305#define SSL_EXT_TLS1_3_CERTIFICATE_REQUEST 0x4000
306
307/* Typedefs for handling custom extensions */
308
309typedef int (*custom_ext_add_cb)(SSL *s, unsigned int ext_type,
310 const unsigned char **out, size_t *outlen,
311 int *al, void *add_arg);
312
313typedef void (*custom_ext_free_cb)(SSL *s, unsigned int ext_type,
314 const unsigned char *out, void *add_arg);
315
316typedef int (*custom_ext_parse_cb)(SSL *s, unsigned int ext_type,
317 const unsigned char *in, size_t inlen,
318 int *al, void *parse_arg);
319
320
321typedef int (*SSL_custom_ext_add_cb_ex)(SSL *s, unsigned int ext_type,
322 unsigned int context,
323 const unsigned char **out,
324 size_t *outlen, X509 *x,
325 size_t chainidx,
326 int *al, void *add_arg);
327
328typedef void (*SSL_custom_ext_free_cb_ex)(SSL *s, unsigned int ext_type,
329 unsigned int context,
330 const unsigned char *out,
331 void *add_arg);
332
333typedef int (*SSL_custom_ext_parse_cb_ex)(SSL *s, unsigned int ext_type,
334 unsigned int context,
335 const unsigned char *in,
336 size_t inlen, X509 *x,
337 size_t chainidx,
338 int *al, void *parse_arg);
339
340/* Typedef for verification callback */
341typedef int (*SSL_verify_cb)(int preverify_ok, X509_STORE_CTX *x509_ctx);
342
343/* Typedef for SSL async callback */
344typedef int (*SSL_async_callback_fn)(SSL *s, void *arg);
345
346#define SSL_OP_BIT(n) ((uint64_t)1 << (uint64_t)n)
347
348/*
349 * SSL/TLS connection options.
350 */
351 /* Disable Extended master secret */
352# define SSL_OP_NO_EXTENDED_MASTER_SECRET SSL_OP_BIT(0)
353 /* Cleanse plaintext copies of data delivered to the application */
354# define SSL_OP_CLEANSE_PLAINTEXT SSL_OP_BIT(1)
355 /* Allow initial connection to servers that don't support RI */
356# define SSL_OP_LEGACY_SERVER_CONNECT SSL_OP_BIT(2)
357 /* Enable support for Kernel TLS */
358# define SSL_OP_ENABLE_KTLS SSL_OP_BIT(3)
359# define SSL_OP_TLSEXT_PADDING SSL_OP_BIT(4)
360# define SSL_OP_SAFARI_ECDHE_ECDSA_BUG SSL_OP_BIT(6)
361# define SSL_OP_IGNORE_UNEXPECTED_EOF SSL_OP_BIT(7)
362# define SSL_OP_ALLOW_CLIENT_RENEGOTIATION SSL_OP_BIT(8)
363# define SSL_OP_DISABLE_TLSEXT_CA_NAMES SSL_OP_BIT(9)
364 /* In TLSv1.3 allow a non-(ec)dhe based kex_mode */
365# define SSL_OP_ALLOW_NO_DHE_KEX SSL_OP_BIT(10)
366 /*
367 * Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added
368 * in OpenSSL 0.9.6d. Usually (depending on the application protocol)
369 * the workaround is not needed. Unfortunately some broken SSL/TLS
370 * implementations cannot handle it at all, which is why we include it
371 * in SSL_OP_ALL. Added in 0.9.6e
372 */
373# define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS SSL_OP_BIT(11)
374 /* DTLS options */
375# define SSL_OP_NO_QUERY_MTU SSL_OP_BIT(12)
376 /* Turn on Cookie Exchange (on relevant for servers) */
377# define SSL_OP_COOKIE_EXCHANGE SSL_OP_BIT(13)
378 /* Don't use RFC4507 ticket extension */
379# define SSL_OP_NO_TICKET SSL_OP_BIT(14)
380# ifndef OPENSSL_NO_DTLS1_METHOD
381 /*
382 * Use Cisco's version identifier of DTLS_BAD_VER
383 * (only with deprecated DTLSv1_client_method())
384 */
385# define SSL_OP_CISCO_ANYCONNECT SSL_OP_BIT(15)
386# endif
387 /* As server, disallow session resumption on renegotiation */
388# define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION SSL_OP_BIT(16)
389 /* Don't use compression even if supported */
390# define SSL_OP_NO_COMPRESSION SSL_OP_BIT(17)
391 /* Permit unsafe legacy renegotiation */
392# define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION SSL_OP_BIT(18)
393 /* Disable encrypt-then-mac */
394# define SSL_OP_NO_ENCRYPT_THEN_MAC SSL_OP_BIT(19)
395 /*
396 * Enable TLSv1.3 Compatibility mode. This is on by default. A future
397 * version of OpenSSL may have this disabled by default.
398 */
399# define SSL_OP_ENABLE_MIDDLEBOX_COMPAT SSL_OP_BIT(20)
400 /*
401 * Prioritize Chacha20Poly1305 when client does.
402 * Modifies SSL_OP_CIPHER_SERVER_PREFERENCE
403 */
404# define SSL_OP_PRIORITIZE_CHACHA SSL_OP_BIT(21)
405 /*
406 * Set on servers to choose the cipher according to server's preferences.
407 */
408# define SSL_OP_CIPHER_SERVER_PREFERENCE SSL_OP_BIT(22)
409 /*
410 * If set, a server will allow a client to issue a SSLv3.0 version
411 * number as latest version supported in the premaster secret, even when
412 * TLSv1.0 (version 3.1) was announced in the client hello. Normally
413 * this is forbidden to prevent version rollback attacks.
414 */
415# define SSL_OP_TLS_ROLLBACK_BUG SSL_OP_BIT(23)
416 /*
417 * Switches off automatic TLSv1.3 anti-replay protection for early data.
418 * This is a server-side option only (no effect on the client).
419 */
420# define SSL_OP_NO_ANTI_REPLAY SSL_OP_BIT(24)
421# define SSL_OP_NO_SSLv3 SSL_OP_BIT(25)
422# define SSL_OP_NO_TLSv1 SSL_OP_BIT(26)
423# define SSL_OP_NO_TLSv1_2 SSL_OP_BIT(27)
424# define SSL_OP_NO_TLSv1_1 SSL_OP_BIT(28)
425# define SSL_OP_NO_TLSv1_3 SSL_OP_BIT(29)
426# define SSL_OP_NO_DTLSv1 SSL_OP_BIT(26)
427# define SSL_OP_NO_DTLSv1_2 SSL_OP_BIT(27)
428 /* Disallow all renegotiation */
429# define SSL_OP_NO_RENEGOTIATION SSL_OP_BIT(30)
430 /*
431 * Make server add server-hello extension from early version of
432 * cryptopro draft, when GOST ciphersuite is negotiated. Required for
433 * interoperability with CryptoPro CSP 3.x
434 */
435# define SSL_OP_CRYPTOPRO_TLSEXT_BUG SSL_OP_BIT(31)
436
437/*
438 * Option "collections."
439 */
440# define SSL_OP_NO_SSL_MASK \
441 ( SSL_OP_NO_SSLv3 | SSL_OP_NO_TLSv1 | SSL_OP_NO_TLSv1_1 \
442 | SSL_OP_NO_TLSv1_2 | SSL_OP_NO_TLSv1_3 )
443# define SSL_OP_NO_DTLS_MASK \
444 ( SSL_OP_NO_DTLSv1 | SSL_OP_NO_DTLSv1_2 )
445
446/* Various bug workarounds that should be rather harmless. */
447# define SSL_OP_ALL \
448 ( SSL_OP_CRYPTOPRO_TLSEXT_BUG | SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS \
449 | SSL_OP_TLSEXT_PADDING | SSL_OP_SAFARI_ECDHE_ECDSA_BUG )
450
451/*
452 * OBSOLETE OPTIONS retained for compatibility
453 */
454
455# define SSL_OP_MICROSOFT_SESS_ID_BUG 0x0
456# define SSL_OP_NETSCAPE_CHALLENGE_BUG 0x0
457# define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG 0x0
458# define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG 0x0
459# define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER 0x0
460# define SSL_OP_MSIE_SSLV2_RSA_PADDING 0x0
461# define SSL_OP_SSLEAY_080_CLIENT_DH_BUG 0x0
462# define SSL_OP_TLS_D5_BUG 0x0
463# define SSL_OP_TLS_BLOCK_PADDING_BUG 0x0
464# define SSL_OP_SINGLE_ECDH_USE 0x0
465# define SSL_OP_SINGLE_DH_USE 0x0
466# define SSL_OP_EPHEMERAL_RSA 0x0
467# define SSL_OP_NO_SSLv2 0x0
468# define SSL_OP_PKCS1_CHECK_1 0x0
469# define SSL_OP_PKCS1_CHECK_2 0x0
470# define SSL_OP_NETSCAPE_CA_DN_BUG 0x0
471# define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG 0x0
472
473/*
474 * Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
475 * when just a single record has been written):
476 */
477# define SSL_MODE_ENABLE_PARTIAL_WRITE 0x00000001U
478/*
479 * Make it possible to retry SSL_write() with changed buffer location (buffer
480 * contents must stay the same!); this is not the default to avoid the
481 * misconception that non-blocking SSL_write() behaves like non-blocking
482 * write():
483 */
484# define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002U
485/*
486 * Never bother the application with retries if the transport is blocking:
487 */
488# define SSL_MODE_AUTO_RETRY 0x00000004U
489/* Don't attempt to automatically build certificate chain */
490# define SSL_MODE_NO_AUTO_CHAIN 0x00000008U
491/*
492 * Save RAM by releasing read and write buffers when they're empty. (SSL3 and
493 * TLS only.) Released buffers are freed.
494 */
495# define SSL_MODE_RELEASE_BUFFERS 0x00000010U
496/*
497 * Send the current time in the Random fields of the ClientHello and
498 * ServerHello records for compatibility with hypothetical implementations
499 * that require it.
500 */
501# define SSL_MODE_SEND_CLIENTHELLO_TIME 0x00000020U
502# define SSL_MODE_SEND_SERVERHELLO_TIME 0x00000040U
503/*
504 * Send TLS_FALLBACK_SCSV in the ClientHello. To be set only by applications
505 * that reconnect with a downgraded protocol version; see
506 * draft-ietf-tls-downgrade-scsv-00 for details. DO NOT ENABLE THIS if your
507 * application attempts a normal handshake. Only use this in explicit
508 * fallback retries, following the guidance in
509 * draft-ietf-tls-downgrade-scsv-00.
510 */
511# define SSL_MODE_SEND_FALLBACK_SCSV 0x00000080U
512/*
513 * Support Asynchronous operation
514 */
515# define SSL_MODE_ASYNC 0x00000100U
516
517/*
518 * When using DTLS/SCTP, include the terminating zero in the label
519 * used for computing the endpoint-pair shared secret. Required for
520 * interoperability with implementations having this bug like these
521 * older version of OpenSSL:
522 * - OpenSSL 1.0.0 series
523 * - OpenSSL 1.0.1 series
524 * - OpenSSL 1.0.2 series
525 * - OpenSSL 1.1.0 series
526 * - OpenSSL 1.1.1 and 1.1.1a
527 */
528# define SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG 0x00000400U
529
530/* Cert related flags */
531/*
532 * Many implementations ignore some aspects of the TLS standards such as
533 * enforcing certificate chain algorithms. When this is set we enforce them.
534 */
535# define SSL_CERT_FLAG_TLS_STRICT 0x00000001U
536
537/* Suite B modes, takes same values as certificate verify flags */
538# define SSL_CERT_FLAG_SUITEB_128_LOS_ONLY 0x10000
539/* Suite B 192 bit only mode */
540# define SSL_CERT_FLAG_SUITEB_192_LOS 0x20000
541/* Suite B 128 bit mode allowing 192 bit algorithms */
542# define SSL_CERT_FLAG_SUITEB_128_LOS 0x30000
543
544/* Perform all sorts of protocol violations for testing purposes */
545# define SSL_CERT_FLAG_BROKEN_PROTOCOL 0x10000000
546
547/* Flags for building certificate chains */
548/* Treat any existing certificates as untrusted CAs */
549# define SSL_BUILD_CHAIN_FLAG_UNTRUSTED 0x1
550/* Don't include root CA in chain */
551# define SSL_BUILD_CHAIN_FLAG_NO_ROOT 0x2
552/* Just check certificates already there */
553# define SSL_BUILD_CHAIN_FLAG_CHECK 0x4
554/* Ignore verification errors */
555# define SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR 0x8
556/* Clear verification errors from queue */
557# define SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR 0x10
558
559/* Flags returned by SSL_check_chain */
560/* Certificate can be used with this session */
561# define CERT_PKEY_VALID 0x1
562/* Certificate can also be used for signing */
563# define CERT_PKEY_SIGN 0x2
564/* EE certificate signing algorithm OK */
565# define CERT_PKEY_EE_SIGNATURE 0x10
566/* CA signature algorithms OK */
567# define CERT_PKEY_CA_SIGNATURE 0x20
568/* EE certificate parameters OK */
569# define CERT_PKEY_EE_PARAM 0x40
570/* CA certificate parameters OK */
571# define CERT_PKEY_CA_PARAM 0x80
572/* Signing explicitly allowed as opposed to SHA1 fallback */
573# define CERT_PKEY_EXPLICIT_SIGN 0x100
574/* Client CA issuer names match (always set for server cert) */
575# define CERT_PKEY_ISSUER_NAME 0x200
576/* Cert type matches client types (always set for server cert) */
577# define CERT_PKEY_CERT_TYPE 0x400
578/* Cert chain suitable to Suite B */
579# define CERT_PKEY_SUITEB 0x800
580
581# define SSL_CONF_FLAG_CMDLINE 0x1
582# define SSL_CONF_FLAG_FILE 0x2
583# define SSL_CONF_FLAG_CLIENT 0x4
584# define SSL_CONF_FLAG_SERVER 0x8
585# define SSL_CONF_FLAG_SHOW_ERRORS 0x10
586# define SSL_CONF_FLAG_CERTIFICATE 0x20
587# define SSL_CONF_FLAG_REQUIRE_PRIVATE 0x40
588/* Configuration value types */
589# define SSL_CONF_TYPE_UNKNOWN 0x0
590# define SSL_CONF_TYPE_STRING 0x1
591# define SSL_CONF_TYPE_FILE 0x2
592# define SSL_CONF_TYPE_DIR 0x3
593# define SSL_CONF_TYPE_NONE 0x4
594# define SSL_CONF_TYPE_STORE 0x5
595
596/* Maximum length of the application-controlled segment of a a TLSv1.3 cookie */
597# define SSL_COOKIE_LENGTH 4096
598
599/*
600 * Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value, they
601 * cannot be used to clear bits.
602 */
603
604uint64_t SSL_CTX_get_options(const SSL_CTX *ctx);
605uint64_t SSL_get_options(const SSL *s);
606uint64_t SSL_CTX_clear_options(SSL_CTX *ctx, uint64_t op);
607uint64_t SSL_clear_options(SSL *s, uint64_t op);
608uint64_t SSL_CTX_set_options(SSL_CTX *ctx, uint64_t op);
609uint64_t SSL_set_options(SSL *s, uint64_t op);
610
611# define SSL_CTX_set_mode(ctx,op) \
612 SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
613# define SSL_CTX_clear_mode(ctx,op) \
614 SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
615# define SSL_CTX_get_mode(ctx) \
616 SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
617# define SSL_clear_mode(ssl,op) \
618 SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
619# define SSL_set_mode(ssl,op) \
620 SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
621# define SSL_get_mode(ssl) \
622 SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
623# define SSL_set_mtu(ssl, mtu) \
624 SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
625# define DTLS_set_link_mtu(ssl, mtu) \
626 SSL_ctrl((ssl),DTLS_CTRL_SET_LINK_MTU,(mtu),NULL)
627# define DTLS_get_link_min_mtu(ssl) \
628 SSL_ctrl((ssl),DTLS_CTRL_GET_LINK_MIN_MTU,0,NULL)
629
630# define SSL_get_secure_renegotiation_support(ssl) \
631 SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
632
633# define SSL_CTX_set_cert_flags(ctx,op) \
634 SSL_CTX_ctrl((ctx),SSL_CTRL_CERT_FLAGS,(op),NULL)
635# define SSL_set_cert_flags(s,op) \
636 SSL_ctrl((s),SSL_CTRL_CERT_FLAGS,(op),NULL)
637# define SSL_CTX_clear_cert_flags(ctx,op) \
638 SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
639# define SSL_clear_cert_flags(s,op) \
640 SSL_ctrl((s),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
641
642void SSL_CTX_set_msg_callback(SSL_CTX *ctx,
643 void (*cb) (int write_p, int version,
644 int content_type, const void *buf,
645 size_t len, SSL *ssl, void *arg));
646void SSL_set_msg_callback(SSL *ssl,
647 void (*cb) (int write_p, int version,
648 int content_type, const void *buf,
649 size_t len, SSL *ssl, void *arg));
650# define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
651# define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
652
653# define SSL_get_extms_support(s) \
654 SSL_ctrl((s),SSL_CTRL_GET_EXTMS_SUPPORT,0,NULL)
655
656# ifndef OPENSSL_NO_SRP
657/* see tls_srp.c */
658# ifndef OPENSSL_NO_DEPRECATED_3_0
659OSSL_DEPRECATEDIN_3_0 __owur int SSL_SRP_CTX_init(SSL *s);
660OSSL_DEPRECATEDIN_3_0 __owur int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx);
661OSSL_DEPRECATEDIN_3_0 int SSL_SRP_CTX_free(SSL *ctx);
662OSSL_DEPRECATEDIN_3_0 int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx);
663OSSL_DEPRECATEDIN_3_0 __owur int SSL_srp_server_param_with_username(SSL *s,
664 int *ad);
665OSSL_DEPRECATEDIN_3_0 __owur int SRP_Calc_A_param(SSL *s);
666# endif
667# endif
668
669/* 100k max cert list */
670# define SSL_MAX_CERT_LIST_DEFAULT (1024*100)
671
672# define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT (1024*20)
673
674/*
675 * This callback type is used inside SSL_CTX, SSL, and in the functions that
676 * set them. It is used to override the generation of SSL/TLS session IDs in
677 * a server. Return value should be zero on an error, non-zero to proceed.
678 * Also, callbacks should themselves check if the id they generate is unique
679 * otherwise the SSL handshake will fail with an error - callbacks can do
680 * this using the 'ssl' value they're passed by;
681 * SSL_has_matching_session_id(ssl, id, *id_len) The length value passed in
682 * is set at the maximum size the session ID can be. In SSLv3/TLSv1 it is 32
683 * bytes. The callback can alter this length to be less if desired. It is
684 * also an error for the callback to set the size to zero.
685 */
686typedef int (*GEN_SESSION_CB) (SSL *ssl, unsigned char *id,
687 unsigned int *id_len);
688
689# define SSL_SESS_CACHE_OFF 0x0000
690# define SSL_SESS_CACHE_CLIENT 0x0001
691# define SSL_SESS_CACHE_SERVER 0x0002
692# define SSL_SESS_CACHE_BOTH (SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER)
693# define SSL_SESS_CACHE_NO_AUTO_CLEAR 0x0080
694/* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
695# define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP 0x0100
696# define SSL_SESS_CACHE_NO_INTERNAL_STORE 0x0200
697# define SSL_SESS_CACHE_NO_INTERNAL \
698 (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE)
699# define SSL_SESS_CACHE_UPDATE_TIME 0x0400
700
701LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx);
702# define SSL_CTX_sess_number(ctx) \
703 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
704# define SSL_CTX_sess_connect(ctx) \
705 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
706# define SSL_CTX_sess_connect_good(ctx) \
707 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
708# define SSL_CTX_sess_connect_renegotiate(ctx) \
709 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
710# define SSL_CTX_sess_accept(ctx) \
711 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
712# define SSL_CTX_sess_accept_renegotiate(ctx) \
713 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
714# define SSL_CTX_sess_accept_good(ctx) \
715 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
716# define SSL_CTX_sess_hits(ctx) \
717 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
718# define SSL_CTX_sess_cb_hits(ctx) \
719 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
720# define SSL_CTX_sess_misses(ctx) \
721 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
722# define SSL_CTX_sess_timeouts(ctx) \
723 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
724# define SSL_CTX_sess_cache_full(ctx) \
725 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
726
727void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
728 int (*new_session_cb) (struct ssl_st *ssl,
729 SSL_SESSION *sess));
730int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx)) (struct ssl_st *ssl,
731 SSL_SESSION *sess);
732void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
733 void (*remove_session_cb) (struct ssl_ctx_st
734 *ctx,
735 SSL_SESSION *sess));
736void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx)) (struct ssl_ctx_st *ctx,
737 SSL_SESSION *sess);
738void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
739 SSL_SESSION *(*get_session_cb) (struct ssl_st
740 *ssl,
741 const unsigned char
742 *data, int len,
743 int *copy));
744SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx)) (struct ssl_st *ssl,
745 const unsigned char *data,
746 int len, int *copy);
747void SSL_CTX_set_info_callback(SSL_CTX *ctx,
748 void (*cb) (const SSL *ssl, int type, int val));
749void (*SSL_CTX_get_info_callback(SSL_CTX *ctx)) (const SSL *ssl, int type,
750 int val);
751void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
752 int (*client_cert_cb) (SSL *ssl, X509 **x509,
753 EVP_PKEY **pkey));
754int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx)) (SSL *ssl, X509 **x509,
755 EVP_PKEY **pkey);
756# ifndef OPENSSL_NO_ENGINE
757__owur int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e);
758# endif
759void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
760 int (*app_gen_cookie_cb) (SSL *ssl,
761 unsigned char
762 *cookie,
763 unsigned int
764 *cookie_len));
765void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
766 int (*app_verify_cookie_cb) (SSL *ssl,
767 const unsigned
768 char *cookie,
769 unsigned int
770 cookie_len));
771
772void SSL_CTX_set_stateless_cookie_generate_cb(
773 SSL_CTX *ctx,
774 int (*gen_stateless_cookie_cb) (SSL *ssl,
775 unsigned char *cookie,
776 size_t *cookie_len));
777void SSL_CTX_set_stateless_cookie_verify_cb(
778 SSL_CTX *ctx,
779 int (*verify_stateless_cookie_cb) (SSL *ssl,
780 const unsigned char *cookie,
781 size_t cookie_len));
782# ifndef OPENSSL_NO_NEXTPROTONEG
783
784typedef int (*SSL_CTX_npn_advertised_cb_func)(SSL *ssl,
785 const unsigned char **out,
786 unsigned int *outlen,
787 void *arg);
788void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s,
789 SSL_CTX_npn_advertised_cb_func cb,
790 void *arg);
791# define SSL_CTX_set_npn_advertised_cb SSL_CTX_set_next_protos_advertised_cb
792
793typedef int (*SSL_CTX_npn_select_cb_func)(SSL *s,
794 unsigned char **out,
795 unsigned char *outlen,
796 const unsigned char *in,
797 unsigned int inlen,
798 void *arg);
799void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s,
800 SSL_CTX_npn_select_cb_func cb,
801 void *arg);
802# define SSL_CTX_set_npn_select_cb SSL_CTX_set_next_proto_select_cb
803
804void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data,
805 unsigned *len);
806# define SSL_get0_npn_negotiated SSL_get0_next_proto_negotiated
807# endif
808
809__owur int SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
810 const unsigned char *in, unsigned int inlen,
811 const unsigned char *client,
812 unsigned int client_len);
813
814# define OPENSSL_NPN_UNSUPPORTED 0
815# define OPENSSL_NPN_NEGOTIATED 1
816# define OPENSSL_NPN_NO_OVERLAP 2
817
818__owur int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos,
819 unsigned int protos_len);
820__owur int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos,
821 unsigned int protos_len);
822typedef int (*SSL_CTX_alpn_select_cb_func)(SSL *ssl,
823 const unsigned char **out,
824 unsigned char *outlen,
825 const unsigned char *in,
826 unsigned int inlen,
827 void *arg);
828void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
829 SSL_CTX_alpn_select_cb_func cb,
830 void *arg);
831void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
832 unsigned int *len);
833
834# ifndef OPENSSL_NO_PSK
835/*
836 * the maximum length of the buffer given to callbacks containing the
837 * resulting identity/psk
838 */
839# define PSK_MAX_IDENTITY_LEN 256
840# define PSK_MAX_PSK_LEN 512
841typedef unsigned int (*SSL_psk_client_cb_func)(SSL *ssl,
842 const char *hint,
843 char *identity,
844 unsigned int max_identity_len,
845 unsigned char *psk,
846 unsigned int max_psk_len);
847void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb);
848void SSL_set_psk_client_callback(SSL *ssl, SSL_psk_client_cb_func cb);
849
850typedef unsigned int (*SSL_psk_server_cb_func)(SSL *ssl,
851 const char *identity,
852 unsigned char *psk,
853 unsigned int max_psk_len);
854void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb);
855void SSL_set_psk_server_callback(SSL *ssl, SSL_psk_server_cb_func cb);
856
857__owur int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint);
858__owur int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint);
859const char *SSL_get_psk_identity_hint(const SSL *s);
860const char *SSL_get_psk_identity(const SSL *s);
861# endif
862
863typedef int (*SSL_psk_find_session_cb_func)(SSL *ssl,
864 const unsigned char *identity,
865 size_t identity_len,
866 SSL_SESSION **sess);
867typedef int (*SSL_psk_use_session_cb_func)(SSL *ssl, const EVP_MD *md,
868 const unsigned char **id,
869 size_t *idlen,
870 SSL_SESSION **sess);
871
872void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb);
873void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx,
874 SSL_psk_find_session_cb_func cb);
875void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb);
876void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx,
877 SSL_psk_use_session_cb_func cb);
878
879/* Register callbacks to handle custom TLS Extensions for client or server. */
880
881__owur int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx,
882 unsigned int ext_type);
883
884__owur int SSL_CTX_add_client_custom_ext(SSL_CTX *ctx,
885 unsigned int ext_type,
886 custom_ext_add_cb add_cb,
887 custom_ext_free_cb free_cb,
888 void *add_arg,
889 custom_ext_parse_cb parse_cb,
890 void *parse_arg);
891
892__owur int SSL_CTX_add_server_custom_ext(SSL_CTX *ctx,
893 unsigned int ext_type,
894 custom_ext_add_cb add_cb,
895 custom_ext_free_cb free_cb,
896 void *add_arg,
897 custom_ext_parse_cb parse_cb,
898 void *parse_arg);
899
900__owur int SSL_CTX_add_custom_ext(SSL_CTX *ctx, unsigned int ext_type,
901 unsigned int context,
902 SSL_custom_ext_add_cb_ex add_cb,
903 SSL_custom_ext_free_cb_ex free_cb,
904 void *add_arg,
905 SSL_custom_ext_parse_cb_ex parse_cb,
906 void *parse_arg);
907
908__owur int SSL_extension_supported(unsigned int ext_type);
909
910# define SSL_NOTHING 1
911# define SSL_WRITING 2
912# define SSL_READING 3
913# define SSL_X509_LOOKUP 4
914# define SSL_ASYNC_PAUSED 5
915# define SSL_ASYNC_NO_JOBS 6
916# define SSL_CLIENT_HELLO_CB 7
917# define SSL_RETRY_VERIFY 8
918
919/* These will only be used when doing non-blocking IO */
920# define SSL_want_nothing(s) (SSL_want(s) == SSL_NOTHING)
921# define SSL_want_read(s) (SSL_want(s) == SSL_READING)
922# define SSL_want_write(s) (SSL_want(s) == SSL_WRITING)
923# define SSL_want_x509_lookup(s) (SSL_want(s) == SSL_X509_LOOKUP)
924# define SSL_want_retry_verify(s) (SSL_want(s) == SSL_RETRY_VERIFY)
925# define SSL_want_async(s) (SSL_want(s) == SSL_ASYNC_PAUSED)
926# define SSL_want_async_job(s) (SSL_want(s) == SSL_ASYNC_NO_JOBS)
927# define SSL_want_client_hello_cb(s) (SSL_want(s) == SSL_CLIENT_HELLO_CB)
928
929# define SSL_MAC_FLAG_READ_MAC_STREAM 1
930# define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
931# define SSL_MAC_FLAG_READ_MAC_TLSTREE 4
932# define SSL_MAC_FLAG_WRITE_MAC_TLSTREE 8
933
934/*
935 * A callback for logging out TLS key material. This callback should log out
936 * |line| followed by a newline.
937 */
938typedef void (*SSL_CTX_keylog_cb_func)(const SSL *ssl, const char *line);
939
940/*
941 * SSL_CTX_set_keylog_callback configures a callback to log key material. This
942 * is intended for debugging use with tools like Wireshark. The cb function
943 * should log line followed by a newline.
944 */
945void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb);
946
947/*
948 * SSL_CTX_get_keylog_callback returns the callback configured by
949 * SSL_CTX_set_keylog_callback.
950 */
951SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx);
952
953int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data);
954uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx);
955int SSL_set_max_early_data(SSL *s, uint32_t max_early_data);
956uint32_t SSL_get_max_early_data(const SSL *s);
957int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data);
958uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx);
959int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data);
960uint32_t SSL_get_recv_max_early_data(const SSL *s);
961
962#ifdef __cplusplus
963}
964#endif
965
966# include <openssl/ssl2.h>
967# include <openssl/ssl3.h>
968# include <openssl/tls1.h> /* This is mostly sslv3 with a few tweaks */
969# include <openssl/dtls1.h> /* Datagram TLS */
970# include <openssl/srtp.h> /* Support for the use_srtp extension */
971
972#ifdef __cplusplus
973extern "C" {
974#endif
975
976/*
977 * These need to be after the above set of includes due to a compiler bug
978 * in VisualStudio 2015
979 */
980SKM_DEFINE_STACK_OF_INTERNAL(SSL_CIPHER, const SSL_CIPHER, SSL_CIPHER)
981#define sk_SSL_CIPHER_num(sk) OPENSSL_sk_num(ossl_check_const_SSL_CIPHER_sk_type(sk))
982#define sk_SSL_CIPHER_value(sk, idx) ((const SSL_CIPHER *)OPENSSL_sk_value(ossl_check_const_SSL_CIPHER_sk_type(sk), (idx)))
983#define sk_SSL_CIPHER_new(cmp) ((STACK_OF(SSL_CIPHER) *)OPENSSL_sk_new(ossl_check_SSL_CIPHER_compfunc_type(cmp)))
984#define sk_SSL_CIPHER_new_null() ((STACK_OF(SSL_CIPHER) *)OPENSSL_sk_new_null())
985#define sk_SSL_CIPHER_new_reserve(cmp, n) ((STACK_OF(SSL_CIPHER) *)OPENSSL_sk_new_reserve(ossl_check_SSL_CIPHER_compfunc_type(cmp), (n)))
986#define sk_SSL_CIPHER_reserve(sk, n) OPENSSL_sk_reserve(ossl_check_SSL_CIPHER_sk_type(sk), (n))
987#define sk_SSL_CIPHER_free(sk) OPENSSL_sk_free(ossl_check_SSL_CIPHER_sk_type(sk))
988#define sk_SSL_CIPHER_zero(sk) OPENSSL_sk_zero(ossl_check_SSL_CIPHER_sk_type(sk))
989#define sk_SSL_CIPHER_delete(sk, i) ((const SSL_CIPHER *)OPENSSL_sk_delete(ossl_check_SSL_CIPHER_sk_type(sk), (i)))
990#define sk_SSL_CIPHER_delete_ptr(sk, ptr) ((const SSL_CIPHER *)OPENSSL_sk_delete_ptr(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_type(ptr)))
991#define sk_SSL_CIPHER_push(sk, ptr) OPENSSL_sk_push(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_type(ptr))
992#define sk_SSL_CIPHER_unshift(sk, ptr) OPENSSL_sk_unshift(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_type(ptr))
993#define sk_SSL_CIPHER_pop(sk) ((const SSL_CIPHER *)OPENSSL_sk_pop(ossl_check_SSL_CIPHER_sk_type(sk)))
994#define sk_SSL_CIPHER_shift(sk) ((const SSL_CIPHER *)OPENSSL_sk_shift(ossl_check_SSL_CIPHER_sk_type(sk)))
995#define sk_SSL_CIPHER_pop_free(sk, freefunc) OPENSSL_sk_pop_free(ossl_check_SSL_CIPHER_sk_type(sk),ossl_check_SSL_CIPHER_freefunc_type(freefunc))
996#define sk_SSL_CIPHER_insert(sk, ptr, idx) OPENSSL_sk_insert(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_type(ptr), (idx))
997#define sk_SSL_CIPHER_set(sk, idx, ptr) ((const SSL_CIPHER *)OPENSSL_sk_set(ossl_check_SSL_CIPHER_sk_type(sk), (idx), ossl_check_SSL_CIPHER_type(ptr)))
998#define sk_SSL_CIPHER_find(sk, ptr) OPENSSL_sk_find(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_type(ptr))
999#define sk_SSL_CIPHER_find_ex(sk, ptr) OPENSSL_sk_find_ex(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_type(ptr))
1000#define sk_SSL_CIPHER_find_all(sk, ptr, pnum) OPENSSL_sk_find_all(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_type(ptr), pnum)
1001#define sk_SSL_CIPHER_sort(sk) OPENSSL_sk_sort(ossl_check_SSL_CIPHER_sk_type(sk))
1002#define sk_SSL_CIPHER_is_sorted(sk) OPENSSL_sk_is_sorted(ossl_check_const_SSL_CIPHER_sk_type(sk))
1003#define sk_SSL_CIPHER_dup(sk) ((STACK_OF(SSL_CIPHER) *)OPENSSL_sk_dup(ossl_check_const_SSL_CIPHER_sk_type(sk)))
1004#define sk_SSL_CIPHER_deep_copy(sk, copyfunc, freefunc) ((STACK_OF(SSL_CIPHER) *)OPENSSL_sk_deep_copy(ossl_check_const_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_copyfunc_type(copyfunc), ossl_check_SSL_CIPHER_freefunc_type(freefunc)))
1005#define sk_SSL_CIPHER_set_cmp_func(sk, cmp) ((sk_SSL_CIPHER_compfunc)OPENSSL_sk_set_cmp_func(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_compfunc_type(cmp)))
1006SKM_DEFINE_STACK_OF_INTERNAL(SSL_COMP, SSL_COMP, SSL_COMP)
1007#define sk_SSL_COMP_num(sk) OPENSSL_sk_num(ossl_check_const_SSL_COMP_sk_type(sk))
1008#define sk_SSL_COMP_value(sk, idx) ((SSL_COMP *)OPENSSL_sk_value(ossl_check_const_SSL_COMP_sk_type(sk), (idx)))
1009#define sk_SSL_COMP_new(cmp) ((STACK_OF(SSL_COMP) *)OPENSSL_sk_new(ossl_check_SSL_COMP_compfunc_type(cmp)))
1010#define sk_SSL_COMP_new_null() ((STACK_OF(SSL_COMP) *)OPENSSL_sk_new_null())
1011#define sk_SSL_COMP_new_reserve(cmp, n) ((STACK_OF(SSL_COMP) *)OPENSSL_sk_new_reserve(ossl_check_SSL_COMP_compfunc_type(cmp), (n)))
1012#define sk_SSL_COMP_reserve(sk, n) OPENSSL_sk_reserve(ossl_check_SSL_COMP_sk_type(sk), (n))
1013#define sk_SSL_COMP_free(sk) OPENSSL_sk_free(ossl_check_SSL_COMP_sk_type(sk))
1014#define sk_SSL_COMP_zero(sk) OPENSSL_sk_zero(ossl_check_SSL_COMP_sk_type(sk))
1015#define sk_SSL_COMP_delete(sk, i) ((SSL_COMP *)OPENSSL_sk_delete(ossl_check_SSL_COMP_sk_type(sk), (i)))
1016#define sk_SSL_COMP_delete_ptr(sk, ptr) ((SSL_COMP *)OPENSSL_sk_delete_ptr(ossl_check_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_type(ptr)))
1017#define sk_SSL_COMP_push(sk, ptr) OPENSSL_sk_push(ossl_check_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_type(ptr))
1018#define sk_SSL_COMP_unshift(sk, ptr) OPENSSL_sk_unshift(ossl_check_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_type(ptr))
1019#define sk_SSL_COMP_pop(sk) ((SSL_COMP *)OPENSSL_sk_pop(ossl_check_SSL_COMP_sk_type(sk)))
1020#define sk_SSL_COMP_shift(sk) ((SSL_COMP *)OPENSSL_sk_shift(ossl_check_SSL_COMP_sk_type(sk)))
1021#define sk_SSL_COMP_pop_free(sk, freefunc) OPENSSL_sk_pop_free(ossl_check_SSL_COMP_sk_type(sk),ossl_check_SSL_COMP_freefunc_type(freefunc))
1022#define sk_SSL_COMP_insert(sk, ptr, idx) OPENSSL_sk_insert(ossl_check_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_type(ptr), (idx))
1023#define sk_SSL_COMP_set(sk, idx, ptr) ((SSL_COMP *)OPENSSL_sk_set(ossl_check_SSL_COMP_sk_type(sk), (idx), ossl_check_SSL_COMP_type(ptr)))
1024#define sk_SSL_COMP_find(sk, ptr) OPENSSL_sk_find(ossl_check_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_type(ptr))
1025#define sk_SSL_COMP_find_ex(sk, ptr) OPENSSL_sk_find_ex(ossl_check_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_type(ptr))
1026#define sk_SSL_COMP_find_all(sk, ptr, pnum) OPENSSL_sk_find_all(ossl_check_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_type(ptr), pnum)
1027#define sk_SSL_COMP_sort(sk) OPENSSL_sk_sort(ossl_check_SSL_COMP_sk_type(sk))
1028#define sk_SSL_COMP_is_sorted(sk) OPENSSL_sk_is_sorted(ossl_check_const_SSL_COMP_sk_type(sk))
1029#define sk_SSL_COMP_dup(sk) ((STACK_OF(SSL_COMP) *)OPENSSL_sk_dup(ossl_check_const_SSL_COMP_sk_type(sk)))
1030#define sk_SSL_COMP_deep_copy(sk, copyfunc, freefunc) ((STACK_OF(SSL_COMP) *)OPENSSL_sk_deep_copy(ossl_check_const_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_copyfunc_type(copyfunc), ossl_check_SSL_COMP_freefunc_type(freefunc)))
1031#define sk_SSL_COMP_set_cmp_func(sk, cmp) ((sk_SSL_COMP_compfunc)OPENSSL_sk_set_cmp_func(ossl_check_SSL_COMP_sk_type(sk), ossl_check_SSL_COMP_compfunc_type(cmp)))
1032
1033
1034/* compatibility */
1035# define SSL_set_app_data(s,arg) (SSL_set_ex_data(s,0,(char *)(arg)))
1036# define SSL_get_app_data(s) (SSL_get_ex_data(s,0))
1037# define SSL_SESSION_set_app_data(s,a) (SSL_SESSION_set_ex_data(s,0, \
1038 (char *)(a)))
1039# define SSL_SESSION_get_app_data(s) (SSL_SESSION_get_ex_data(s,0))
1040# define SSL_CTX_get_app_data(ctx) (SSL_CTX_get_ex_data(ctx,0))
1041# define SSL_CTX_set_app_data(ctx,arg) (SSL_CTX_set_ex_data(ctx,0, \
1042 (char *)(arg)))
1043# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1044OSSL_DEPRECATEDIN_1_1_0 void SSL_set_debug(SSL *s, int debug);
1045# endif
1046
1047/* TLSv1.3 KeyUpdate message types */
1048/* -1 used so that this is an invalid value for the on-the-wire protocol */
1049#define SSL_KEY_UPDATE_NONE -1
1050/* Values as defined for the on-the-wire protocol */
1051#define SSL_KEY_UPDATE_NOT_REQUESTED 0
1052#define SSL_KEY_UPDATE_REQUESTED 1
1053
1054/*
1055 * The valid handshake states (one for each type message sent and one for each
1056 * type of message received). There are also two "special" states:
1057 * TLS = TLS or DTLS state
1058 * DTLS = DTLS specific state
1059 * CR/SR = Client Read/Server Read
1060 * CW/SW = Client Write/Server Write
1061 *
1062 * The "special" states are:
1063 * TLS_ST_BEFORE = No handshake has been initiated yet
1064 * TLS_ST_OK = A handshake has been successfully completed
1065 */
1066typedef enum {
1067 TLS_ST_BEFORE,
1068 TLS_ST_OK,
1069 DTLS_ST_CR_HELLO_VERIFY_REQUEST,
1070 TLS_ST_CR_SRVR_HELLO,
1071 TLS_ST_CR_CERT,
1072 TLS_ST_CR_CERT_STATUS,
1073 TLS_ST_CR_KEY_EXCH,
1074 TLS_ST_CR_CERT_REQ,
1075 TLS_ST_CR_SRVR_DONE,
1076 TLS_ST_CR_SESSION_TICKET,
1077 TLS_ST_CR_CHANGE,
1078 TLS_ST_CR_FINISHED,
1079 TLS_ST_CW_CLNT_HELLO,
1080 TLS_ST_CW_CERT,
1081 TLS_ST_CW_KEY_EXCH,
1082 TLS_ST_CW_CERT_VRFY,
1083 TLS_ST_CW_CHANGE,
1084 TLS_ST_CW_NEXT_PROTO,
1085 TLS_ST_CW_FINISHED,
1086 TLS_ST_SW_HELLO_REQ,
1087 TLS_ST_SR_CLNT_HELLO,
1088 DTLS_ST_SW_HELLO_VERIFY_REQUEST,
1089 TLS_ST_SW_SRVR_HELLO,
1090 TLS_ST_SW_CERT,
1091 TLS_ST_SW_KEY_EXCH,
1092 TLS_ST_SW_CERT_REQ,
1093 TLS_ST_SW_SRVR_DONE,
1094 TLS_ST_SR_CERT,
1095 TLS_ST_SR_KEY_EXCH,
1096 TLS_ST_SR_CERT_VRFY,
1097 TLS_ST_SR_NEXT_PROTO,
1098 TLS_ST_SR_CHANGE,
1099 TLS_ST_SR_FINISHED,
1100 TLS_ST_SW_SESSION_TICKET,
1101 TLS_ST_SW_CERT_STATUS,
1102 TLS_ST_SW_CHANGE,
1103 TLS_ST_SW_FINISHED,
1104 TLS_ST_SW_ENCRYPTED_EXTENSIONS,
1105 TLS_ST_CR_ENCRYPTED_EXTENSIONS,
1106 TLS_ST_CR_CERT_VRFY,
1107 TLS_ST_SW_CERT_VRFY,
1108 TLS_ST_CR_HELLO_REQ,
1109 TLS_ST_SW_KEY_UPDATE,
1110 TLS_ST_CW_KEY_UPDATE,
1111 TLS_ST_SR_KEY_UPDATE,
1112 TLS_ST_CR_KEY_UPDATE,
1113 TLS_ST_EARLY_DATA,
1114 TLS_ST_PENDING_EARLY_DATA_END,
1115 TLS_ST_CW_END_OF_EARLY_DATA,
1116 TLS_ST_SR_END_OF_EARLY_DATA
1117} OSSL_HANDSHAKE_STATE;
1118
1119/*
1120 * Most of the following state values are no longer used and are defined to be
1121 * the closest equivalent value in the current state machine code. Not all
1122 * defines have an equivalent and are set to a dummy value (-1). SSL_ST_CONNECT
1123 * and SSL_ST_ACCEPT are still in use in the definition of SSL_CB_ACCEPT_LOOP,
1124 * SSL_CB_ACCEPT_EXIT, SSL_CB_CONNECT_LOOP and SSL_CB_CONNECT_EXIT.
1125 */
1126
1127# define SSL_ST_CONNECT 0x1000
1128# define SSL_ST_ACCEPT 0x2000
1129
1130# define SSL_ST_MASK 0x0FFF
1131
1132# define SSL_CB_LOOP 0x01
1133# define SSL_CB_EXIT 0x02
1134# define SSL_CB_READ 0x04
1135# define SSL_CB_WRITE 0x08
1136# define SSL_CB_ALERT 0x4000/* used in callback */
1137# define SSL_CB_READ_ALERT (SSL_CB_ALERT|SSL_CB_READ)
1138# define SSL_CB_WRITE_ALERT (SSL_CB_ALERT|SSL_CB_WRITE)
1139# define SSL_CB_ACCEPT_LOOP (SSL_ST_ACCEPT|SSL_CB_LOOP)
1140# define SSL_CB_ACCEPT_EXIT (SSL_ST_ACCEPT|SSL_CB_EXIT)
1141# define SSL_CB_CONNECT_LOOP (SSL_ST_CONNECT|SSL_CB_LOOP)
1142# define SSL_CB_CONNECT_EXIT (SSL_ST_CONNECT|SSL_CB_EXIT)
1143# define SSL_CB_HANDSHAKE_START 0x10
1144# define SSL_CB_HANDSHAKE_DONE 0x20
1145
1146/* Is the SSL_connection established? */
1147# define SSL_in_connect_init(a) (SSL_in_init(a) && !SSL_is_server(a))
1148# define SSL_in_accept_init(a) (SSL_in_init(a) && SSL_is_server(a))
1149int SSL_in_init(const SSL *s);
1150int SSL_in_before(const SSL *s);
1151int SSL_is_init_finished(const SSL *s);
1152
1153/*
1154 * The following 3 states are kept in ssl->rlayer.rstate when reads fail, you
1155 * should not need these
1156 */
1157# define SSL_ST_READ_HEADER 0xF0
1158# define SSL_ST_READ_BODY 0xF1
1159# define SSL_ST_READ_DONE 0xF2
1160
1161/*-
1162 * Obtain latest Finished message
1163 * -- that we sent (SSL_get_finished)
1164 * -- that we expected from peer (SSL_get_peer_finished).
1165 * Returns length (0 == no Finished so far), copies up to 'count' bytes.
1166 */
1167size_t SSL_get_finished(const SSL *s, void *buf, size_t count);
1168size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count);
1169
1170/*
1171 * use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 3 options are
1172 * 'ored' with SSL_VERIFY_PEER if they are desired
1173 */
1174# define SSL_VERIFY_NONE 0x00
1175# define SSL_VERIFY_PEER 0x01
1176# define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02
1177# define SSL_VERIFY_CLIENT_ONCE 0x04
1178# define SSL_VERIFY_POST_HANDSHAKE 0x08
1179
1180# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1181# define OpenSSL_add_ssl_algorithms() SSL_library_init()
1182# define SSLeay_add_ssl_algorithms() SSL_library_init()
1183# endif
1184
1185/* More backward compatibility */
1186# define SSL_get_cipher(s) \
1187 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1188# define SSL_get_cipher_bits(s,np) \
1189 SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
1190# define SSL_get_cipher_version(s) \
1191 SSL_CIPHER_get_version(SSL_get_current_cipher(s))
1192# define SSL_get_cipher_name(s) \
1193 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1194# define SSL_get_time(a) SSL_SESSION_get_time(a)
1195# define SSL_set_time(a,b) SSL_SESSION_set_time((a),(b))
1196# define SSL_get_timeout(a) SSL_SESSION_get_timeout(a)
1197# define SSL_set_timeout(a,b) SSL_SESSION_set_timeout((a),(b))
1198
1199# define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
1200# define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
1201
1202DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION)
1203# define SSL_AD_REASON_OFFSET 1000/* offset to get SSL_R_... value
1204 * from SSL_AD_... */
1205/* These alert types are for SSLv3 and TLSv1 */
1206# define SSL_AD_CLOSE_NOTIFY SSL3_AD_CLOSE_NOTIFY
1207/* fatal */
1208# define SSL_AD_UNEXPECTED_MESSAGE SSL3_AD_UNEXPECTED_MESSAGE
1209/* fatal */
1210# define SSL_AD_BAD_RECORD_MAC SSL3_AD_BAD_RECORD_MAC
1211# define SSL_AD_DECRYPTION_FAILED TLS1_AD_DECRYPTION_FAILED
1212# define SSL_AD_RECORD_OVERFLOW TLS1_AD_RECORD_OVERFLOW
1213/* fatal */
1214# define SSL_AD_DECOMPRESSION_FAILURE SSL3_AD_DECOMPRESSION_FAILURE
1215/* fatal */
1216# define SSL_AD_HANDSHAKE_FAILURE SSL3_AD_HANDSHAKE_FAILURE
1217/* Not for TLS */
1218# define SSL_AD_NO_CERTIFICATE SSL3_AD_NO_CERTIFICATE
1219# define SSL_AD_BAD_CERTIFICATE SSL3_AD_BAD_CERTIFICATE
1220# define SSL_AD_UNSUPPORTED_CERTIFICATE SSL3_AD_UNSUPPORTED_CERTIFICATE
1221# define SSL_AD_CERTIFICATE_REVOKED SSL3_AD_CERTIFICATE_REVOKED
1222# define SSL_AD_CERTIFICATE_EXPIRED SSL3_AD_CERTIFICATE_EXPIRED
1223# define SSL_AD_CERTIFICATE_UNKNOWN SSL3_AD_CERTIFICATE_UNKNOWN
1224/* fatal */
1225# define SSL_AD_ILLEGAL_PARAMETER SSL3_AD_ILLEGAL_PARAMETER
1226/* fatal */
1227# define SSL_AD_UNKNOWN_CA TLS1_AD_UNKNOWN_CA
1228/* fatal */
1229# define SSL_AD_ACCESS_DENIED TLS1_AD_ACCESS_DENIED
1230/* fatal */
1231# define SSL_AD_DECODE_ERROR TLS1_AD_DECODE_ERROR
1232# define SSL_AD_DECRYPT_ERROR TLS1_AD_DECRYPT_ERROR
1233/* fatal */
1234# define SSL_AD_EXPORT_RESTRICTION TLS1_AD_EXPORT_RESTRICTION
1235/* fatal */
1236# define SSL_AD_PROTOCOL_VERSION TLS1_AD_PROTOCOL_VERSION
1237/* fatal */
1238# define SSL_AD_INSUFFICIENT_SECURITY TLS1_AD_INSUFFICIENT_SECURITY
1239/* fatal */
1240# define SSL_AD_INTERNAL_ERROR TLS1_AD_INTERNAL_ERROR
1241# define SSL_AD_USER_CANCELLED TLS1_AD_USER_CANCELLED
1242# define SSL_AD_NO_RENEGOTIATION TLS1_AD_NO_RENEGOTIATION
1243# define SSL_AD_MISSING_EXTENSION TLS13_AD_MISSING_EXTENSION
1244# define SSL_AD_CERTIFICATE_REQUIRED TLS13_AD_CERTIFICATE_REQUIRED
1245# define SSL_AD_UNSUPPORTED_EXTENSION TLS1_AD_UNSUPPORTED_EXTENSION
1246# define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE
1247# define SSL_AD_UNRECOGNIZED_NAME TLS1_AD_UNRECOGNIZED_NAME
1248# define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
1249# define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
1250/* fatal */
1251# define SSL_AD_UNKNOWN_PSK_IDENTITY TLS1_AD_UNKNOWN_PSK_IDENTITY
1252/* fatal */
1253# define SSL_AD_INAPPROPRIATE_FALLBACK TLS1_AD_INAPPROPRIATE_FALLBACK
1254# define SSL_AD_NO_APPLICATION_PROTOCOL TLS1_AD_NO_APPLICATION_PROTOCOL
1255# define SSL_ERROR_NONE 0
1256# define SSL_ERROR_SSL 1
1257# define SSL_ERROR_WANT_READ 2
1258# define SSL_ERROR_WANT_WRITE 3
1259# define SSL_ERROR_WANT_X509_LOOKUP 4
1260# define SSL_ERROR_SYSCALL 5/* look at error stack/return
1261 * value/errno */
1262# define SSL_ERROR_ZERO_RETURN 6
1263# define SSL_ERROR_WANT_CONNECT 7
1264# define SSL_ERROR_WANT_ACCEPT 8
1265# define SSL_ERROR_WANT_ASYNC 9
1266# define SSL_ERROR_WANT_ASYNC_JOB 10
1267# define SSL_ERROR_WANT_CLIENT_HELLO_CB 11
1268# define SSL_ERROR_WANT_RETRY_VERIFY 12
1269
1270# ifndef OPENSSL_NO_DEPRECATED_3_0
1271# define SSL_CTRL_SET_TMP_DH 3
1272# define SSL_CTRL_SET_TMP_ECDH 4
1273# define SSL_CTRL_SET_TMP_DH_CB 6
1274# endif
1275
1276# define SSL_CTRL_GET_CLIENT_CERT_REQUEST 9
1277# define SSL_CTRL_GET_NUM_RENEGOTIATIONS 10
1278# define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS 11
1279# define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS 12
1280# define SSL_CTRL_GET_FLAGS 13
1281# define SSL_CTRL_EXTRA_CHAIN_CERT 14
1282# define SSL_CTRL_SET_MSG_CALLBACK 15
1283# define SSL_CTRL_SET_MSG_CALLBACK_ARG 16
1284/* only applies to datagram connections */
1285# define SSL_CTRL_SET_MTU 17
1286/* Stats */
1287# define SSL_CTRL_SESS_NUMBER 20
1288# define SSL_CTRL_SESS_CONNECT 21
1289# define SSL_CTRL_SESS_CONNECT_GOOD 22
1290# define SSL_CTRL_SESS_CONNECT_RENEGOTIATE 23
1291# define SSL_CTRL_SESS_ACCEPT 24
1292# define SSL_CTRL_SESS_ACCEPT_GOOD 25
1293# define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE 26
1294# define SSL_CTRL_SESS_HIT 27
1295# define SSL_CTRL_SESS_CB_HIT 28
1296# define SSL_CTRL_SESS_MISSES 29
1297# define SSL_CTRL_SESS_TIMEOUTS 30
1298# define SSL_CTRL_SESS_CACHE_FULL 31
1299# define SSL_CTRL_MODE 33
1300# define SSL_CTRL_GET_READ_AHEAD 40
1301# define SSL_CTRL_SET_READ_AHEAD 41
1302# define SSL_CTRL_SET_SESS_CACHE_SIZE 42
1303# define SSL_CTRL_GET_SESS_CACHE_SIZE 43
1304# define SSL_CTRL_SET_SESS_CACHE_MODE 44
1305# define SSL_CTRL_GET_SESS_CACHE_MODE 45
1306# define SSL_CTRL_GET_MAX_CERT_LIST 50
1307# define SSL_CTRL_SET_MAX_CERT_LIST 51
1308# define SSL_CTRL_SET_MAX_SEND_FRAGMENT 52
1309/* see tls1.h for macros based on these */
1310# define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB 53
1311# define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG 54
1312# define SSL_CTRL_SET_TLSEXT_HOSTNAME 55
1313# define SSL_CTRL_SET_TLSEXT_DEBUG_CB 56
1314# define SSL_CTRL_SET_TLSEXT_DEBUG_ARG 57
1315# define SSL_CTRL_GET_TLSEXT_TICKET_KEYS 58
1316# define SSL_CTRL_SET_TLSEXT_TICKET_KEYS 59
1317/*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT 60 */
1318/*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB 61 */
1319/*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB_ARG 62 */
1320# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB 63
1321# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG 64
1322# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE 65
1323# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS 66
1324# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS 67
1325# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS 68
1326# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS 69
1327# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP 70
1328# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP 71
1329# ifndef OPENSSL_NO_DEPRECATED_3_0
1330# define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB 72
1331# endif
1332# define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB 75
1333# define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB 76
1334# define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB 77
1335# define SSL_CTRL_SET_SRP_ARG 78
1336# define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME 79
1337# define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH 80
1338# define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD 81
1339# define DTLS_CTRL_GET_TIMEOUT 73
1340# define DTLS_CTRL_HANDLE_TIMEOUT 74
1341# define SSL_CTRL_GET_RI_SUPPORT 76
1342# define SSL_CTRL_CLEAR_MODE 78
1343# define SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB 79
1344# define SSL_CTRL_GET_EXTRA_CHAIN_CERTS 82
1345# define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS 83
1346# define SSL_CTRL_CHAIN 88
1347# define SSL_CTRL_CHAIN_CERT 89
1348# define SSL_CTRL_GET_GROUPS 90
1349# define SSL_CTRL_SET_GROUPS 91
1350# define SSL_CTRL_SET_GROUPS_LIST 92
1351# define SSL_CTRL_GET_SHARED_GROUP 93
1352# define SSL_CTRL_SET_SIGALGS 97
1353# define SSL_CTRL_SET_SIGALGS_LIST 98
1354# define SSL_CTRL_CERT_FLAGS 99
1355# define SSL_CTRL_CLEAR_CERT_FLAGS 100
1356# define SSL_CTRL_SET_CLIENT_SIGALGS 101
1357# define SSL_CTRL_SET_CLIENT_SIGALGS_LIST 102
1358# define SSL_CTRL_GET_CLIENT_CERT_TYPES 103
1359# define SSL_CTRL_SET_CLIENT_CERT_TYPES 104
1360# define SSL_CTRL_BUILD_CERT_CHAIN 105
1361# define SSL_CTRL_SET_VERIFY_CERT_STORE 106
1362# define SSL_CTRL_SET_CHAIN_CERT_STORE 107
1363# define SSL_CTRL_GET_PEER_SIGNATURE_NID 108
1364# define SSL_CTRL_GET_PEER_TMP_KEY 109
1365# define SSL_CTRL_GET_RAW_CIPHERLIST 110
1366# define SSL_CTRL_GET_EC_POINT_FORMATS 111
1367# define SSL_CTRL_GET_CHAIN_CERTS 115
1368# define SSL_CTRL_SELECT_CURRENT_CERT 116
1369# define SSL_CTRL_SET_CURRENT_CERT 117
1370# define SSL_CTRL_SET_DH_AUTO 118
1371# define DTLS_CTRL_SET_LINK_MTU 120
1372# define DTLS_CTRL_GET_LINK_MIN_MTU 121
1373# define SSL_CTRL_GET_EXTMS_SUPPORT 122
1374# define SSL_CTRL_SET_MIN_PROTO_VERSION 123
1375# define SSL_CTRL_SET_MAX_PROTO_VERSION 124
1376# define SSL_CTRL_SET_SPLIT_SEND_FRAGMENT 125
1377# define SSL_CTRL_SET_MAX_PIPELINES 126
1378# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE 127
1379# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB 128
1380# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG 129
1381# define SSL_CTRL_GET_MIN_PROTO_VERSION 130
1382# define SSL_CTRL_GET_MAX_PROTO_VERSION 131
1383# define SSL_CTRL_GET_SIGNATURE_NID 132
1384# define SSL_CTRL_GET_TMP_KEY 133
1385# define SSL_CTRL_GET_NEGOTIATED_GROUP 134
1386# define SSL_CTRL_SET_RETRY_VERIFY 136
1387# define SSL_CTRL_GET_VERIFY_CERT_STORE 137
1388# define SSL_CTRL_GET_CHAIN_CERT_STORE 138
1389# define SSL_CERT_SET_FIRST 1
1390# define SSL_CERT_SET_NEXT 2
1391# define SSL_CERT_SET_SERVER 3
1392# define DTLSv1_get_timeout(ssl, arg) \
1393 SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)(arg))
1394# define DTLSv1_handle_timeout(ssl) \
1395 SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
1396# define SSL_num_renegotiations(ssl) \
1397 SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1398# define SSL_clear_num_renegotiations(ssl) \
1399 SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1400# define SSL_total_renegotiations(ssl) \
1401 SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1402# ifndef OPENSSL_NO_DEPRECATED_3_0
1403# define SSL_CTX_set_tmp_dh(ctx,dh) \
1404 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1405# endif
1406# define SSL_CTX_set_dh_auto(ctx, onoff) \
1407 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1408# define SSL_set_dh_auto(s, onoff) \
1409 SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1410# ifndef OPENSSL_NO_DEPRECATED_3_0
1411# define SSL_set_tmp_dh(ssl,dh) \
1412 SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1413# endif
1414# ifndef OPENSSL_NO_DEPRECATED_3_0
1415# define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1416 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1417# define SSL_set_tmp_ecdh(ssl,ecdh) \
1418 SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1419# endif
1420# define SSL_CTX_add_extra_chain_cert(ctx,x509) \
1421 SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)(x509))
1422# define SSL_CTX_get_extra_chain_certs(ctx,px509) \
1423 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
1424# define SSL_CTX_get_extra_chain_certs_only(ctx,px509) \
1425 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,1,px509)
1426# define SSL_CTX_clear_extra_chain_certs(ctx) \
1427 SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
1428# define SSL_CTX_set0_chain(ctx,sk) \
1429 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)(sk))
1430# define SSL_CTX_set1_chain(ctx,sk) \
1431 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)(sk))
1432# define SSL_CTX_add0_chain_cert(ctx,x509) \
1433 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1434# define SSL_CTX_add1_chain_cert(ctx,x509) \
1435 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1436# define SSL_CTX_get0_chain_certs(ctx,px509) \
1437 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1438# define SSL_CTX_clear_chain_certs(ctx) \
1439 SSL_CTX_set0_chain(ctx,NULL)
1440# define SSL_CTX_build_cert_chain(ctx, flags) \
1441 SSL_CTX_ctrl(ctx,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1442# define SSL_CTX_select_current_cert(ctx,x509) \
1443 SSL_CTX_ctrl(ctx,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1444# define SSL_CTX_set_current_cert(ctx, op) \
1445 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1446# define SSL_CTX_set0_verify_cert_store(ctx,st) \
1447 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1448# define SSL_CTX_set1_verify_cert_store(ctx,st) \
1449 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1450# define SSL_CTX_get0_verify_cert_store(ctx,st) \
1451 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_VERIFY_CERT_STORE,0,(char *)(st))
1452# define SSL_CTX_set0_chain_cert_store(ctx,st) \
1453 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1454# define SSL_CTX_set1_chain_cert_store(ctx,st) \
1455 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1456# define SSL_CTX_get0_chain_cert_store(ctx,st) \
1457 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERT_STORE,0,(char *)(st))
1458# define SSL_set0_chain(s,sk) \
1459 SSL_ctrl(s,SSL_CTRL_CHAIN,0,(char *)(sk))
1460# define SSL_set1_chain(s,sk) \
1461 SSL_ctrl(s,SSL_CTRL_CHAIN,1,(char *)(sk))
1462# define SSL_add0_chain_cert(s,x509) \
1463 SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1464# define SSL_add1_chain_cert(s,x509) \
1465 SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1466# define SSL_get0_chain_certs(s,px509) \
1467 SSL_ctrl(s,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1468# define SSL_clear_chain_certs(s) \
1469 SSL_set0_chain(s,NULL)
1470# define SSL_build_cert_chain(s, flags) \
1471 SSL_ctrl(s,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1472# define SSL_select_current_cert(s,x509) \
1473 SSL_ctrl(s,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1474# define SSL_set_current_cert(s,op) \
1475 SSL_ctrl(s,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1476# define SSL_set0_verify_cert_store(s,st) \
1477 SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1478# define SSL_set1_verify_cert_store(s,st) \
1479 SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1480#define SSL_get0_verify_cert_store(s,st) \
1481 SSL_ctrl(s,SSL_CTRL_GET_VERIFY_CERT_STORE,0,(char *)(st))
1482# define SSL_set0_chain_cert_store(s,st) \
1483 SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1484# define SSL_set1_chain_cert_store(s,st) \
1485 SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1486#define SSL_get0_chain_cert_store(s,st) \
1487 SSL_ctrl(s,SSL_CTRL_GET_CHAIN_CERT_STORE,0,(char *)(st))
1488
1489# define SSL_get1_groups(s, glist) \
1490 SSL_ctrl(s,SSL_CTRL_GET_GROUPS,0,(int*)(glist))
1491# define SSL_CTX_set1_groups(ctx, glist, glistlen) \
1492 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS,glistlen,(int *)(glist))
1493# define SSL_CTX_set1_groups_list(ctx, s) \
1494 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(s))
1495# define SSL_set1_groups(s, glist, glistlen) \
1496 SSL_ctrl(s,SSL_CTRL_SET_GROUPS,glistlen,(char *)(glist))
1497# define SSL_set1_groups_list(s, str) \
1498 SSL_ctrl(s,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(str))
1499# define SSL_get_shared_group(s, n) \
1500 SSL_ctrl(s,SSL_CTRL_GET_SHARED_GROUP,n,NULL)
1501# define SSL_get_negotiated_group(s) \
1502 SSL_ctrl(s,SSL_CTRL_GET_NEGOTIATED_GROUP,0,NULL)
1503# define SSL_CTX_set1_sigalgs(ctx, slist, slistlen) \
1504 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1505# define SSL_CTX_set1_sigalgs_list(ctx, s) \
1506 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(s))
1507# define SSL_set1_sigalgs(s, slist, slistlen) \
1508 SSL_ctrl(s,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1509# define SSL_set1_sigalgs_list(s, str) \
1510 SSL_ctrl(s,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(str))
1511# define SSL_CTX_set1_client_sigalgs(ctx, slist, slistlen) \
1512 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1513# define SSL_CTX_set1_client_sigalgs_list(ctx, s) \
1514 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(s))
1515# define SSL_set1_client_sigalgs(s, slist, slistlen) \
1516 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1517# define SSL_set1_client_sigalgs_list(s, str) \
1518 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(str))
1519# define SSL_get0_certificate_types(s, clist) \
1520 SSL_ctrl(s, SSL_CTRL_GET_CLIENT_CERT_TYPES, 0, (char *)(clist))
1521# define SSL_CTX_set1_client_certificate_types(ctx, clist, clistlen) \
1522 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen, \
1523 (char *)(clist))
1524# define SSL_set1_client_certificate_types(s, clist, clistlen) \
1525 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen,(char *)(clist))
1526# define SSL_get_signature_nid(s, pn) \
1527 SSL_ctrl(s,SSL_CTRL_GET_SIGNATURE_NID,0,pn)
1528# define SSL_get_peer_signature_nid(s, pn) \
1529 SSL_ctrl(s,SSL_CTRL_GET_PEER_SIGNATURE_NID,0,pn)
1530# define SSL_get_peer_tmp_key(s, pk) \
1531 SSL_ctrl(s,SSL_CTRL_GET_PEER_TMP_KEY,0,pk)
1532# define SSL_get_tmp_key(s, pk) \
1533 SSL_ctrl(s,SSL_CTRL_GET_TMP_KEY,0,pk)
1534# define SSL_get0_raw_cipherlist(s, plst) \
1535 SSL_ctrl(s,SSL_CTRL_GET_RAW_CIPHERLIST,0,plst)
1536# define SSL_get0_ec_point_formats(s, plst) \
1537 SSL_ctrl(s,SSL_CTRL_GET_EC_POINT_FORMATS,0,plst)
1538# define SSL_CTX_set_min_proto_version(ctx, version) \
1539 SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1540# define SSL_CTX_set_max_proto_version(ctx, version) \
1541 SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1542# define SSL_CTX_get_min_proto_version(ctx) \
1543 SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1544# define SSL_CTX_get_max_proto_version(ctx) \
1545 SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1546# define SSL_set_min_proto_version(s, version) \
1547 SSL_ctrl(s, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1548# define SSL_set_max_proto_version(s, version) \
1549 SSL_ctrl(s, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1550# define SSL_get_min_proto_version(s) \
1551 SSL_ctrl(s, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1552# define SSL_get_max_proto_version(s) \
1553 SSL_ctrl(s, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1554
1555const char *SSL_group_to_name(SSL *s, int id);
1556
1557/* Backwards compatibility, original 1.1.0 names */
1558# define SSL_CTRL_GET_SERVER_TMP_KEY \
1559 SSL_CTRL_GET_PEER_TMP_KEY
1560# define SSL_get_server_tmp_key(s, pk) \
1561 SSL_get_peer_tmp_key(s, pk)
1562
1563int SSL_set0_tmp_dh_pkey(SSL *s, EVP_PKEY *dhpkey);
1564int SSL_CTX_set0_tmp_dh_pkey(SSL_CTX *ctx, EVP_PKEY *dhpkey);
1565
1566/*
1567 * The following symbol names are old and obsolete. They are kept
1568 * for compatibility reasons only and should not be used anymore.
1569 */
1570# define SSL_CTRL_GET_CURVES SSL_CTRL_GET_GROUPS
1571# define SSL_CTRL_SET_CURVES SSL_CTRL_SET_GROUPS
1572# define SSL_CTRL_SET_CURVES_LIST SSL_CTRL_SET_GROUPS_LIST
1573# define SSL_CTRL_GET_SHARED_CURVE SSL_CTRL_GET_SHARED_GROUP
1574
1575# define SSL_get1_curves SSL_get1_groups
1576# define SSL_CTX_set1_curves SSL_CTX_set1_groups
1577# define SSL_CTX_set1_curves_list SSL_CTX_set1_groups_list
1578# define SSL_set1_curves SSL_set1_groups
1579# define SSL_set1_curves_list SSL_set1_groups_list
1580# define SSL_get_shared_curve SSL_get_shared_group
1581
1582
1583# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1584/* Provide some compatibility macros for removed functionality. */
1585# define SSL_CTX_need_tmp_RSA(ctx) 0
1586# define SSL_CTX_set_tmp_rsa(ctx,rsa) 1
1587# define SSL_need_tmp_RSA(ssl) 0
1588# define SSL_set_tmp_rsa(ssl,rsa) 1
1589# define SSL_CTX_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1590# define SSL_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1591/*
1592 * We "pretend" to call the callback to avoid warnings about unused static
1593 * functions.
1594 */
1595# define SSL_CTX_set_tmp_rsa_callback(ctx, cb) while(0) (cb)(NULL, 0, 0)
1596# define SSL_set_tmp_rsa_callback(ssl, cb) while(0) (cb)(NULL, 0, 0)
1597# endif
1598__owur const BIO_METHOD *BIO_f_ssl(void);
1599__owur BIO *BIO_new_ssl(SSL_CTX *ctx, int client);
1600__owur BIO *BIO_new_ssl_connect(SSL_CTX *ctx);
1601__owur BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx);
1602__owur int BIO_ssl_copy_session_id(BIO *to, BIO *from);
1603void BIO_ssl_shutdown(BIO *ssl_bio);
1604
1605__owur int SSL_CTX_set_cipher_list(SSL_CTX *, const char *str);
1606__owur SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth);
1607__owur SSL_CTX *SSL_CTX_new_ex(OSSL_LIB_CTX *libctx, const char *propq,
1608 const SSL_METHOD *meth);
1609int SSL_CTX_up_ref(SSL_CTX *ctx);
1610void SSL_CTX_free(SSL_CTX *);
1611__owur long SSL_CTX_set_timeout(SSL_CTX *ctx, long t);
1612__owur long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1613__owur X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *);
1614void SSL_CTX_set_cert_store(SSL_CTX *, X509_STORE *);
1615void SSL_CTX_set1_cert_store(SSL_CTX *, X509_STORE *);
1616__owur int SSL_want(const SSL *s);
1617__owur int SSL_clear(SSL *s);
1618
1619void SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
1620
1621__owur const SSL_CIPHER *SSL_get_current_cipher(const SSL *s);
1622__owur const SSL_CIPHER *SSL_get_pending_cipher(const SSL *s);
1623__owur int SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits);
1624__owur const char *SSL_CIPHER_get_version(const SSL_CIPHER *c);
1625__owur const char *SSL_CIPHER_get_name(const SSL_CIPHER *c);
1626__owur const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c);
1627__owur const char *OPENSSL_cipher_name(const char *rfc_name);
1628__owur uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c);
1629__owur uint16_t SSL_CIPHER_get_protocol_id(const SSL_CIPHER *c);
1630__owur int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c);
1631__owur int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c);
1632__owur const EVP_MD *SSL_CIPHER_get_handshake_digest(const SSL_CIPHER *c);
1633__owur int SSL_CIPHER_is_aead(const SSL_CIPHER *c);
1634
1635__owur int SSL_get_fd(const SSL *s);
1636__owur int SSL_get_rfd(const SSL *s);
1637__owur int SSL_get_wfd(const SSL *s);
1638__owur const char *SSL_get_cipher_list(const SSL *s, int n);
1639__owur char *SSL_get_shared_ciphers(const SSL *s, char *buf, int size);
1640__owur int SSL_get_read_ahead(const SSL *s);
1641__owur int SSL_pending(const SSL *s);
1642__owur int SSL_has_pending(const SSL *s);
1643# ifndef OPENSSL_NO_SOCK
1644__owur int SSL_set_fd(SSL *s, int fd);
1645__owur int SSL_set_rfd(SSL *s, int fd);
1646__owur int SSL_set_wfd(SSL *s, int fd);
1647# endif
1648void SSL_set0_rbio(SSL *s, BIO *rbio);
1649void SSL_set0_wbio(SSL *s, BIO *wbio);
1650void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio);
1651__owur BIO *SSL_get_rbio(const SSL *s);
1652__owur BIO *SSL_get_wbio(const SSL *s);
1653__owur int SSL_set_cipher_list(SSL *s, const char *str);
1654__owur int SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str);
1655__owur int SSL_set_ciphersuites(SSL *s, const char *str);
1656void SSL_set_read_ahead(SSL *s, int yes);
1657__owur int SSL_get_verify_mode(const SSL *s);
1658__owur int SSL_get_verify_depth(const SSL *s);
1659__owur SSL_verify_cb SSL_get_verify_callback(const SSL *s);
1660void SSL_set_verify(SSL *s, int mode, SSL_verify_cb callback);
1661void SSL_set_verify_depth(SSL *s, int depth);
1662void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg);
1663# ifndef OPENSSL_NO_DEPRECATED_3_0
1664OSSL_DEPRECATEDIN_3_0 __owur int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
1665OSSL_DEPRECATEDIN_3_0
1666__owur int SSL_use_RSAPrivateKey_ASN1(SSL *ssl,
1667 const unsigned char *d, long len);
1668# endif
1669__owur int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
1670__owur int SSL_use_PrivateKey_ASN1(int pk, SSL *ssl, const unsigned char *d,
1671 long len);
1672__owur int SSL_use_certificate(SSL *ssl, X509 *x);
1673__owur int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len);
1674__owur int SSL_use_cert_and_key(SSL *ssl, X509 *x509, EVP_PKEY *privatekey,
1675 STACK_OF(X509) *chain, int override);
1676
1677
1678/* serverinfo file format versions */
1679# define SSL_SERVERINFOV1 1
1680# define SSL_SERVERINFOV2 2
1681
1682/* Set serverinfo data for the current active cert. */
1683__owur int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo,
1684 size_t serverinfo_length);
1685__owur int SSL_CTX_use_serverinfo_ex(SSL_CTX *ctx, unsigned int version,
1686 const unsigned char *serverinfo,
1687 size_t serverinfo_length);
1688__owur int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file);
1689
1690#ifndef OPENSSL_NO_DEPRECATED_3_0
1691OSSL_DEPRECATEDIN_3_0
1692__owur int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
1693#endif
1694
1695__owur int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
1696__owur int SSL_use_certificate_file(SSL *ssl, const char *file, int type);
1697
1698#ifndef OPENSSL_NO_DEPRECATED_3_0
1699OSSL_DEPRECATEDIN_3_0
1700__owur int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file,
1701 int type);
1702#endif
1703__owur int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file,
1704 int type);
1705__owur int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file,
1706 int type);
1707/* PEM type */
1708__owur int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file);
1709__owur int SSL_use_certificate_chain_file(SSL *ssl, const char *file);
1710__owur STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
1711__owur STACK_OF(X509_NAME)
1712*SSL_load_client_CA_file_ex(const char *file, OSSL_LIB_CTX *libctx,
1713 const char *propq);
1714__owur int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1715 const char *file);
1716int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1717 const char *dir);
1718int SSL_add_store_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1719 const char *uri);
1720
1721# ifndef OPENSSL_NO_DEPRECATED_1_1_0
1722# define SSL_load_error_strings() \
1723 OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS \
1724 | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL)
1725# endif
1726
1727__owur const char *SSL_state_string(const SSL *s);
1728__owur const char *SSL_rstate_string(const SSL *s);
1729__owur const char *SSL_state_string_long(const SSL *s);
1730__owur const char *SSL_rstate_string_long(const SSL *s);
1731__owur long SSL_SESSION_get_time(const SSL_SESSION *s);
1732__owur long SSL_SESSION_set_time(SSL_SESSION *s, long t);
1733__owur long SSL_SESSION_get_timeout(const SSL_SESSION *s);
1734__owur long SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
1735__owur int SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
1736__owur int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version);
1737
1738__owur const char *SSL_SESSION_get0_hostname(const SSL_SESSION *s);
1739__owur int SSL_SESSION_set1_hostname(SSL_SESSION *s, const char *hostname);
1740void SSL_SESSION_get0_alpn_selected(const SSL_SESSION *s,
1741 const unsigned char **alpn,
1742 size_t *len);
1743__owur int SSL_SESSION_set1_alpn_selected(SSL_SESSION *s,
1744 const unsigned char *alpn,
1745 size_t len);
1746__owur const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s);
1747__owur int SSL_SESSION_set_cipher(SSL_SESSION *s, const SSL_CIPHER *cipher);
1748__owur int SSL_SESSION_has_ticket(const SSL_SESSION *s);
1749__owur unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s);
1750void SSL_SESSION_get0_ticket(const SSL_SESSION *s, const unsigned char **tick,
1751 size_t *len);
1752__owur uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *s);
1753__owur int SSL_SESSION_set_max_early_data(SSL_SESSION *s,
1754 uint32_t max_early_data);
1755__owur int SSL_copy_session_id(SSL *to, const SSL *from);
1756__owur X509 *SSL_SESSION_get0_peer(SSL_SESSION *s);
1757__owur int SSL_SESSION_set1_id_context(SSL_SESSION *s,
1758 const unsigned char *sid_ctx,
1759 unsigned int sid_ctx_len);
1760__owur int SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid,
1761 unsigned int sid_len);
1762__owur int SSL_SESSION_is_resumable(const SSL_SESSION *s);
1763
1764__owur SSL_SESSION *SSL_SESSION_new(void);
1765__owur SSL_SESSION *SSL_SESSION_dup(const SSL_SESSION *src);
1766const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s,
1767 unsigned int *len);
1768const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *s,
1769 unsigned int *len);
1770__owur unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s);
1771# ifndef OPENSSL_NO_STDIO
1772int SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses);
1773# endif
1774int SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses);
1775int SSL_SESSION_print_keylog(BIO *bp, const SSL_SESSION *x);
1776int SSL_SESSION_up_ref(SSL_SESSION *ses);
1777void SSL_SESSION_free(SSL_SESSION *ses);
1778__owur int i2d_SSL_SESSION(const SSL_SESSION *in, unsigned char **pp);
1779__owur int SSL_set_session(SSL *to, SSL_SESSION *session);
1780int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *session);
1781int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *session);
1782__owur int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb);
1783__owur int SSL_set_generate_session_id(SSL *s, GEN_SESSION_CB cb);
1784__owur int SSL_has_matching_session_id(const SSL *s,
1785 const unsigned char *id,
1786 unsigned int id_len);
1787SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
1788 long length);
1789
1790# ifdef OPENSSL_X509_H
1791__owur X509 *SSL_get0_peer_certificate(const SSL *s);
1792__owur X509 *SSL_get1_peer_certificate(const SSL *s);
1793/* Deprecated in 3.0.0 */
1794# ifndef OPENSSL_NO_DEPRECATED_3_0
1795# define SSL_get_peer_certificate SSL_get1_peer_certificate
1796# endif
1797# endif
1798
1799__owur STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s);
1800
1801__owur int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1802__owur int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1803__owur SSL_verify_cb SSL_CTX_get_verify_callback(const SSL_CTX *ctx);
1804void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, SSL_verify_cb callback);
1805void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth);
1806void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,
1807 int (*cb) (X509_STORE_CTX *, void *),
1808 void *arg);
1809void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg),
1810 void *arg);
1811# ifndef OPENSSL_NO_DEPRECATED_3_0
1812OSSL_DEPRECATEDIN_3_0
1813__owur int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
1814OSSL_DEPRECATEDIN_3_0
1815__owur int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d,
1816 long len);
1817# endif
1818__owur int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
1819__owur int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx,
1820 const unsigned char *d, long len);
1821__owur int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
1822__owur int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len,
1823 const unsigned char *d);
1824__owur int SSL_CTX_use_cert_and_key(SSL_CTX *ctx, X509 *x509, EVP_PKEY *privatekey,
1825 STACK_OF(X509) *chain, int override);
1826
1827void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb);
1828void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
1829pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx);
1830void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx);
1831void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb);
1832void SSL_set_default_passwd_cb_userdata(SSL *s, void *u);
1833pem_password_cb *SSL_get_default_passwd_cb(SSL *s);
1834void *SSL_get_default_passwd_cb_userdata(SSL *s);
1835
1836__owur int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1837__owur int SSL_check_private_key(const SSL *ctx);
1838
1839__owur int SSL_CTX_set_session_id_context(SSL_CTX *ctx,
1840 const unsigned char *sid_ctx,
1841 unsigned int sid_ctx_len);
1842
1843SSL *SSL_new(SSL_CTX *ctx);
1844int SSL_up_ref(SSL *s);
1845int SSL_is_dtls(const SSL *s);
1846__owur int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx,
1847 unsigned int sid_ctx_len);
1848
1849__owur int SSL_CTX_set_purpose(SSL_CTX *ctx, int purpose);
1850__owur int SSL_set_purpose(SSL *ssl, int purpose);
1851__owur int SSL_CTX_set_trust(SSL_CTX *ctx, int trust);
1852__owur int SSL_set_trust(SSL *ssl, int trust);
1853
1854__owur int SSL_set1_host(SSL *s, const char *hostname);
1855__owur int SSL_add1_host(SSL *s, const char *hostname);
1856__owur const char *SSL_get0_peername(SSL *s);
1857void SSL_set_hostflags(SSL *s, unsigned int flags);
1858
1859__owur int SSL_CTX_dane_enable(SSL_CTX *ctx);
1860__owur int SSL_CTX_dane_mtype_set(SSL_CTX *ctx, const EVP_MD *md,
1861 uint8_t mtype, uint8_t ord);
1862__owur int SSL_dane_enable(SSL *s, const char *basedomain);
1863__owur int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector,
1864 uint8_t mtype, const unsigned char *data, size_t dlen);
1865__owur int SSL_get0_dane_authority(SSL *s, X509 **mcert, EVP_PKEY **mspki);
1866__owur int SSL_get0_dane_tlsa(SSL *s, uint8_t *usage, uint8_t *selector,
1867 uint8_t *mtype, const unsigned char **data,
1868 size_t *dlen);
1869/*
1870 * Bridge opacity barrier between libcrypt and libssl, also needed to support
1871 * offline testing in test/danetest.c
1872 */
1873SSL_DANE *SSL_get0_dane(SSL *ssl);
1874/*
1875 * DANE flags
1876 */
1877unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags);
1878unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags);
1879unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags);
1880unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags);
1881
1882__owur int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
1883__owur int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
1884
1885__owur X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx);
1886__owur X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl);
1887
1888# ifndef OPENSSL_NO_SRP
1889# ifndef OPENSSL_NO_DEPRECATED_3_0
1890OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_username(SSL_CTX *ctx, char *name);
1891OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_password(SSL_CTX *ctx, char *password);
1892OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength);
1893OSSL_DEPRECATEDIN_3_0
1894int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx,
1895 char *(*cb) (SSL *, void *));
1896OSSL_DEPRECATEDIN_3_0
1897int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx,
1898 int (*cb) (SSL *, void *));
1899OSSL_DEPRECATEDIN_3_0
1900int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
1901 int (*cb) (SSL *, int *, void *));
1902OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_cb_arg(SSL_CTX *ctx, void *arg);
1903
1904OSSL_DEPRECATEDIN_3_0
1905int SSL_set_srp_server_param(SSL *s, const BIGNUM *N, const BIGNUM *g,
1906 BIGNUM *sa, BIGNUM *v, char *info);
1907OSSL_DEPRECATEDIN_3_0
1908int SSL_set_srp_server_param_pw(SSL *s, const char *user, const char *pass,
1909 const char *grp);
1910
1911OSSL_DEPRECATEDIN_3_0 __owur BIGNUM *SSL_get_srp_g(SSL *s);
1912OSSL_DEPRECATEDIN_3_0 __owur BIGNUM *SSL_get_srp_N(SSL *s);
1913
1914OSSL_DEPRECATEDIN_3_0 __owur char *SSL_get_srp_username(SSL *s);
1915OSSL_DEPRECATEDIN_3_0 __owur char *SSL_get_srp_userinfo(SSL *s);
1916# endif
1917# endif
1918
1919/*
1920 * ClientHello callback and helpers.
1921 */
1922
1923# define SSL_CLIENT_HELLO_SUCCESS 1
1924# define SSL_CLIENT_HELLO_ERROR 0
1925# define SSL_CLIENT_HELLO_RETRY (-1)
1926
1927typedef int (*SSL_client_hello_cb_fn) (SSL *s, int *al, void *arg);
1928void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb,
1929 void *arg);
1930int SSL_client_hello_isv2(SSL *s);
1931unsigned int SSL_client_hello_get0_legacy_version(SSL *s);
1932size_t SSL_client_hello_get0_random(SSL *s, const unsigned char **out);
1933size_t SSL_client_hello_get0_session_id(SSL *s, const unsigned char **out);
1934size_t SSL_client_hello_get0_ciphers(SSL *s, const unsigned char **out);
1935size_t SSL_client_hello_get0_compression_methods(SSL *s,
1936 const unsigned char **out);
1937int SSL_client_hello_get1_extensions_present(SSL *s, int **out, size_t *outlen);
1938int SSL_client_hello_get0_ext(SSL *s, unsigned int type,
1939 const unsigned char **out, size_t *outlen);
1940
1941void SSL_certs_clear(SSL *s);
1942void SSL_free(SSL *ssl);
1943# ifdef OSSL_ASYNC_FD
1944/*
1945 * Windows application developer has to include windows.h to use these.
1946 */
1947__owur int SSL_waiting_for_async(SSL *s);
1948__owur int SSL_get_all_async_fds(SSL *s, OSSL_ASYNC_FD *fds, size_t *numfds);
1949__owur int SSL_get_changed_async_fds(SSL *s, OSSL_ASYNC_FD *addfd,
1950 size_t *numaddfds, OSSL_ASYNC_FD *delfd,
1951 size_t *numdelfds);
1952__owur int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback);
1953__owur int SSL_CTX_set_async_callback_arg(SSL_CTX *ctx, void *arg);
1954__owur int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback);
1955__owur int SSL_set_async_callback_arg(SSL *s, void *arg);
1956__owur int SSL_get_async_status(SSL *s, int *status);
1957
1958# endif
1959__owur int SSL_accept(SSL *ssl);
1960__owur int SSL_stateless(SSL *s);
1961__owur int SSL_connect(SSL *ssl);
1962__owur int SSL_read(SSL *ssl, void *buf, int num);
1963__owur int SSL_read_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes);
1964
1965# define SSL_READ_EARLY_DATA_ERROR 0
1966# define SSL_READ_EARLY_DATA_SUCCESS 1
1967# define SSL_READ_EARLY_DATA_FINISH 2
1968
1969__owur int SSL_read_early_data(SSL *s, void *buf, size_t num,
1970 size_t *readbytes);
1971__owur int SSL_peek(SSL *ssl, void *buf, int num);
1972__owur int SSL_peek_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes);
1973__owur ossl_ssize_t SSL_sendfile(SSL *s, int fd, off_t offset, size_t size,
1974 int flags);
1975__owur int SSL_write(SSL *ssl, const void *buf, int num);
1976__owur int SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *written);
1977__owur int SSL_write_early_data(SSL *s, const void *buf, size_t num,
1978 size_t *written);
1979long SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg);
1980long SSL_callback_ctrl(SSL *, int, void (*)(void));
1981long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg);
1982long SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)(void));
1983
1984# define SSL_EARLY_DATA_NOT_SENT 0
1985# define SSL_EARLY_DATA_REJECTED 1
1986# define SSL_EARLY_DATA_ACCEPTED 2
1987
1988__owur int SSL_get_early_data_status(const SSL *s);
1989
1990__owur int SSL_get_error(const SSL *s, int ret_code);
1991__owur const char *SSL_get_version(const SSL *s);
1992
1993/* This sets the 'default' SSL version that SSL_new() will create */
1994# ifndef OPENSSL_NO_DEPRECATED_3_0
1995OSSL_DEPRECATEDIN_3_0
1996__owur int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth);
1997# endif
1998
1999# ifndef OPENSSL_NO_SSL3_METHOD
2000# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2001OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_method(void); /* SSLv3 */
2002OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_server_method(void);
2003OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_client_method(void);
2004# endif
2005# endif
2006
2007#define SSLv23_method TLS_method
2008#define SSLv23_server_method TLS_server_method
2009#define SSLv23_client_method TLS_client_method
2010
2011/* Negotiate highest available SSL/TLS version */
2012__owur const SSL_METHOD *TLS_method(void);
2013__owur const SSL_METHOD *TLS_server_method(void);
2014__owur const SSL_METHOD *TLS_client_method(void);
2015
2016# ifndef OPENSSL_NO_TLS1_METHOD
2017# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2018OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_method(void); /* TLSv1.0 */
2019OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_server_method(void);
2020OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_client_method(void);
2021# endif
2022# endif
2023
2024# ifndef OPENSSL_NO_TLS1_1_METHOD
2025# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2026OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_method(void); /* TLSv1.1 */
2027OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_server_method(void);
2028OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_client_method(void);
2029# endif
2030# endif
2031
2032# ifndef OPENSSL_NO_TLS1_2_METHOD
2033# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2034OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_method(void); /* TLSv1.2 */
2035OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_server_method(void);
2036OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_client_method(void);
2037# endif
2038# endif
2039
2040# ifndef OPENSSL_NO_DTLS1_METHOD
2041# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2042OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_method(void); /* DTLSv1.0 */
2043OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_server_method(void);
2044OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_client_method(void);
2045# endif
2046# endif
2047
2048# ifndef OPENSSL_NO_DTLS1_2_METHOD
2049/* DTLSv1.2 */
2050# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2051OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_method(void);
2052OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_server_method(void);
2053OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_client_method(void);
2054# endif
2055# endif
2056
2057__owur const SSL_METHOD *DTLS_method(void); /* DTLS 1.0 and 1.2 */
2058__owur const SSL_METHOD *DTLS_server_method(void); /* DTLS 1.0 and 1.2 */
2059__owur const SSL_METHOD *DTLS_client_method(void); /* DTLS 1.0 and 1.2 */
2060
2061__owur size_t DTLS_get_data_mtu(const SSL *s);
2062
2063__owur STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s);
2064__owur STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx);
2065__owur STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s);
2066__owur STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s);
2067
2068__owur int SSL_do_handshake(SSL *s);
2069int SSL_key_update(SSL *s, int updatetype);
2070int SSL_get_key_update_type(const SSL *s);
2071int SSL_renegotiate(SSL *s);
2072int SSL_renegotiate_abbreviated(SSL *s);
2073__owur int SSL_renegotiate_pending(const SSL *s);
2074int SSL_new_session_ticket(SSL *s);
2075int SSL_shutdown(SSL *s);
2076__owur int SSL_verify_client_post_handshake(SSL *s);
2077void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val);
2078void SSL_set_post_handshake_auth(SSL *s, int val);
2079
2080__owur const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx);
2081__owur const SSL_METHOD *SSL_get_ssl_method(const SSL *s);
2082__owur int SSL_set_ssl_method(SSL *s, const SSL_METHOD *method);
2083__owur const char *SSL_alert_type_string_long(int value);
2084__owur const char *SSL_alert_type_string(int value);
2085__owur const char *SSL_alert_desc_string_long(int value);
2086__owur const char *SSL_alert_desc_string(int value);
2087
2088void SSL_set0_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
2089void SSL_CTX_set0_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
2090__owur const STACK_OF(X509_NAME) *SSL_get0_CA_list(const SSL *s);
2091__owur const STACK_OF(X509_NAME) *SSL_CTX_get0_CA_list(const SSL_CTX *ctx);
2092__owur int SSL_add1_to_CA_list(SSL *ssl, const X509 *x);
2093__owur int SSL_CTX_add1_to_CA_list(SSL_CTX *ctx, const X509 *x);
2094__owur const STACK_OF(X509_NAME) *SSL_get0_peer_CA_list(const SSL *s);
2095
2096void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
2097void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
2098__owur STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
2099__owur STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s);
2100__owur int SSL_add_client_CA(SSL *ssl, X509 *x);
2101__owur int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x);
2102
2103void SSL_set_connect_state(SSL *s);
2104void SSL_set_accept_state(SSL *s);
2105
2106__owur long SSL_get_default_timeout(const SSL *s);
2107
2108# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2109# define SSL_library_init() OPENSSL_init_ssl(0, NULL)
2110# endif
2111
2112__owur char *SSL_CIPHER_description(const SSL_CIPHER *, char *buf, int size);
2113__owur STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk);
2114
2115__owur SSL *SSL_dup(SSL *ssl);
2116
2117__owur X509 *SSL_get_certificate(const SSL *ssl);
2118/*
2119 * EVP_PKEY
2120 */
2121struct evp_pkey_st *SSL_get_privatekey(const SSL *ssl);
2122
2123__owur X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx);
2124__owur EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx);
2125
2126void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
2127__owur int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
2128void SSL_set_quiet_shutdown(SSL *ssl, int mode);
2129__owur int SSL_get_quiet_shutdown(const SSL *ssl);
2130void SSL_set_shutdown(SSL *ssl, int mode);
2131__owur int SSL_get_shutdown(const SSL *ssl);
2132__owur int SSL_version(const SSL *ssl);
2133__owur int SSL_client_version(const SSL *s);
2134__owur int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
2135__owur int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx);
2136__owur int SSL_CTX_set_default_verify_file(SSL_CTX *ctx);
2137__owur int SSL_CTX_set_default_verify_store(SSL_CTX *ctx);
2138__owur int SSL_CTX_load_verify_file(SSL_CTX *ctx, const char *CAfile);
2139__owur int SSL_CTX_load_verify_dir(SSL_CTX *ctx, const char *CApath);
2140__owur int SSL_CTX_load_verify_store(SSL_CTX *ctx, const char *CAstore);
2141__owur int SSL_CTX_load_verify_locations(SSL_CTX *ctx,
2142 const char *CAfile,
2143 const char *CApath);
2144# define SSL_get0_session SSL_get_session/* just peek at pointer */
2145__owur SSL_SESSION *SSL_get_session(const SSL *ssl);
2146__owur SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */
2147__owur SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl);
2148SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx);
2149void SSL_set_info_callback(SSL *ssl,
2150 void (*cb) (const SSL *ssl, int type, int val));
2151void (*SSL_get_info_callback(const SSL *ssl)) (const SSL *ssl, int type,
2152 int val);
2153__owur OSSL_HANDSHAKE_STATE SSL_get_state(const SSL *ssl);
2154
2155void SSL_set_verify_result(SSL *ssl, long v);
2156__owur long SSL_get_verify_result(const SSL *ssl);
2157__owur STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s);
2158
2159__owur size_t SSL_get_client_random(const SSL *ssl, unsigned char *out,
2160 size_t outlen);
2161__owur size_t SSL_get_server_random(const SSL *ssl, unsigned char *out,
2162 size_t outlen);
2163__owur size_t SSL_SESSION_get_master_key(const SSL_SESSION *sess,
2164 unsigned char *out, size_t outlen);
2165__owur int SSL_SESSION_set1_master_key(SSL_SESSION *sess,
2166 const unsigned char *in, size_t len);
2167uint8_t SSL_SESSION_get_max_fragment_length(const SSL_SESSION *sess);
2168
2169#define SSL_get_ex_new_index(l, p, newf, dupf, freef) \
2170 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, l, p, newf, dupf, freef)
2171__owur int SSL_set_ex_data(SSL *ssl, int idx, void *data);
2172void *SSL_get_ex_data(const SSL *ssl, int idx);
2173#define SSL_SESSION_get_ex_new_index(l, p, newf, dupf, freef) \
2174 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_SESSION, l, p, newf, dupf, freef)
2175__owur int SSL_SESSION_set_ex_data(SSL_SESSION *ss, int idx, void *data);
2176void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss, int idx);
2177#define SSL_CTX_get_ex_new_index(l, p, newf, dupf, freef) \
2178 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, l, p, newf, dupf, freef)
2179__owur int SSL_CTX_set_ex_data(SSL_CTX *ssl, int idx, void *data);
2180void *SSL_CTX_get_ex_data(const SSL_CTX *ssl, int idx);
2181
2182__owur int SSL_get_ex_data_X509_STORE_CTX_idx(void);
2183
2184# define SSL_CTX_sess_set_cache_size(ctx,t) \
2185 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
2186# define SSL_CTX_sess_get_cache_size(ctx) \
2187 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
2188# define SSL_CTX_set_session_cache_mode(ctx,m) \
2189 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
2190# define SSL_CTX_get_session_cache_mode(ctx) \
2191 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
2192
2193# define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
2194# define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
2195# define SSL_CTX_get_read_ahead(ctx) \
2196 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
2197# define SSL_CTX_set_read_ahead(ctx,m) \
2198 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
2199# define SSL_CTX_get_max_cert_list(ctx) \
2200 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2201# define SSL_CTX_set_max_cert_list(ctx,m) \
2202 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2203# define SSL_get_max_cert_list(ssl) \
2204 SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2205# define SSL_set_max_cert_list(ssl,m) \
2206 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2207
2208# define SSL_CTX_set_max_send_fragment(ctx,m) \
2209 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2210# define SSL_set_max_send_fragment(ssl,m) \
2211 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2212# define SSL_CTX_set_split_send_fragment(ctx,m) \
2213 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2214# define SSL_set_split_send_fragment(ssl,m) \
2215 SSL_ctrl(ssl,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2216# define SSL_CTX_set_max_pipelines(ctx,m) \
2217 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2218# define SSL_set_max_pipelines(ssl,m) \
2219 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2220# define SSL_set_retry_verify(ssl) \
2221 (SSL_ctrl(ssl,SSL_CTRL_SET_RETRY_VERIFY,0,NULL) > 0)
2222
2223void SSL_CTX_set_default_read_buffer_len(SSL_CTX *ctx, size_t len);
2224void SSL_set_default_read_buffer_len(SSL *s, size_t len);
2225
2226# ifndef OPENSSL_NO_DH
2227# ifndef OPENSSL_NO_DEPRECATED_3_0
2228/* NB: the |keylength| is only applicable when is_export is true */
2229OSSL_DEPRECATEDIN_3_0
2230void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
2231 DH *(*dh) (SSL *ssl, int is_export,
2232 int keylength));
2233OSSL_DEPRECATEDIN_3_0
2234void SSL_set_tmp_dh_callback(SSL *ssl,
2235 DH *(*dh) (SSL *ssl, int is_export,
2236 int keylength));
2237# endif
2238# endif
2239
2240__owur const COMP_METHOD *SSL_get_current_compression(const SSL *s);
2241__owur const COMP_METHOD *SSL_get_current_expansion(const SSL *s);
2242__owur const char *SSL_COMP_get_name(const COMP_METHOD *comp);
2243__owur const char *SSL_COMP_get0_name(const SSL_COMP *comp);
2244__owur int SSL_COMP_get_id(const SSL_COMP *comp);
2245STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
2246__owur STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP)
2247 *meths);
2248# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2249# define SSL_COMP_free_compression_methods() while(0) continue
2250# endif
2251__owur int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm);
2252
2253const SSL_CIPHER *SSL_CIPHER_find(SSL *ssl, const unsigned char *ptr);
2254int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c);
2255int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c);
2256int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len,
2257 int isv2format, STACK_OF(SSL_CIPHER) **sk,
2258 STACK_OF(SSL_CIPHER) **scsvs);
2259
2260/* TLS extensions functions */
2261__owur int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len);
2262
2263__owur int SSL_set_session_ticket_ext_cb(SSL *s,
2264 tls_session_ticket_ext_cb_fn cb,
2265 void *arg);
2266
2267/* Pre-shared secret session resumption functions */
2268__owur int SSL_set_session_secret_cb(SSL *s,
2269 tls_session_secret_cb_fn session_secret_cb,
2270 void *arg);
2271
2272void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx,
2273 int (*cb) (SSL *ssl,
2274 int
2275 is_forward_secure));
2276
2277void SSL_set_not_resumable_session_callback(SSL *ssl,
2278 int (*cb) (SSL *ssl,
2279 int is_forward_secure));
2280
2281void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx,
2282 size_t (*cb) (SSL *ssl, int type,
2283 size_t len, void *arg));
2284void SSL_CTX_set_record_padding_callback_arg(SSL_CTX *ctx, void *arg);
2285void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX *ctx);
2286int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size);
2287
2288int SSL_set_record_padding_callback(SSL *ssl,
2289 size_t (*cb) (SSL *ssl, int type,
2290 size_t len, void *arg));
2291void SSL_set_record_padding_callback_arg(SSL *ssl, void *arg);
2292void *SSL_get_record_padding_callback_arg(const SSL *ssl);
2293int SSL_set_block_padding(SSL *ssl, size_t block_size);
2294
2295int SSL_set_num_tickets(SSL *s, size_t num_tickets);
2296size_t SSL_get_num_tickets(const SSL *s);
2297int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets);
2298size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx);
2299
2300# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2301# define SSL_cache_hit(s) SSL_session_reused(s)
2302# endif
2303
2304__owur int SSL_session_reused(const SSL *s);
2305__owur int SSL_is_server(const SSL *s);
2306
2307__owur __owur SSL_CONF_CTX *SSL_CONF_CTX_new(void);
2308int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx);
2309void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx);
2310unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags);
2311__owur unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx,
2312 unsigned int flags);
2313__owur int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre);
2314
2315void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl);
2316void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx);
2317
2318__owur int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value);
2319__owur int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv);
2320__owur int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd);
2321
2322void SSL_add_ssl_module(void);
2323int SSL_config(SSL *s, const char *name);
2324int SSL_CTX_config(SSL_CTX *ctx, const char *name);
2325
2326# ifndef OPENSSL_NO_SSL_TRACE
2327void SSL_trace(int write_p, int version, int content_type,
2328 const void *buf, size_t len, SSL *ssl, void *arg);
2329# endif
2330
2331# ifndef OPENSSL_NO_SOCK
2332int DTLSv1_listen(SSL *s, BIO_ADDR *client);
2333# endif
2334
2335# ifndef OPENSSL_NO_CT
2336
2337/*
2338 * A callback for verifying that the received SCTs are sufficient.
2339 * Expected to return 1 if they are sufficient, otherwise 0.
2340 * May return a negative integer if an error occurs.
2341 * A connection should be aborted if the SCTs are deemed insufficient.
2342 */
2343typedef int (*ssl_ct_validation_cb)(const CT_POLICY_EVAL_CTX *ctx,
2344 const STACK_OF(SCT) *scts, void *arg);
2345
2346/*
2347 * Sets a |callback| that is invoked upon receipt of ServerHelloDone to validate
2348 * the received SCTs.
2349 * If the callback returns a non-positive result, the connection is terminated.
2350 * Call this function before beginning a handshake.
2351 * If a NULL |callback| is provided, SCT validation is disabled.
2352 * |arg| is arbitrary userdata that will be passed to the callback whenever it
2353 * is invoked. Ownership of |arg| remains with the caller.
2354 *
2355 * NOTE: A side-effect of setting a CT callback is that an OCSP stapled response
2356 * will be requested.
2357 */
2358int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback,
2359 void *arg);
2360int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx,
2361 ssl_ct_validation_cb callback,
2362 void *arg);
2363#define SSL_disable_ct(s) \
2364 ((void) SSL_set_validation_callback((s), NULL, NULL))
2365#define SSL_CTX_disable_ct(ctx) \
2366 ((void) SSL_CTX_set_validation_callback((ctx), NULL, NULL))
2367
2368/*
2369 * The validation type enumerates the available behaviours of the built-in SSL
2370 * CT validation callback selected via SSL_enable_ct() and SSL_CTX_enable_ct().
2371 * The underlying callback is a static function in libssl.
2372 */
2373enum {
2374 SSL_CT_VALIDATION_PERMISSIVE = 0,
2375 SSL_CT_VALIDATION_STRICT
2376};
2377
2378/*
2379 * Enable CT by setting up a callback that implements one of the built-in
2380 * validation variants. The SSL_CT_VALIDATION_PERMISSIVE variant always
2381 * continues the handshake, the application can make appropriate decisions at
2382 * handshake completion. The SSL_CT_VALIDATION_STRICT variant requires at
2383 * least one valid SCT, or else handshake termination will be requested. The
2384 * handshake may continue anyway if SSL_VERIFY_NONE is in effect.
2385 */
2386int SSL_enable_ct(SSL *s, int validation_mode);
2387int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode);
2388
2389/*
2390 * Report whether a non-NULL callback is enabled.
2391 */
2392int SSL_ct_is_enabled(const SSL *s);
2393int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx);
2394
2395/* Gets the SCTs received from a connection */
2396const STACK_OF(SCT) *SSL_get0_peer_scts(SSL *s);
2397
2398/*
2399 * Loads the CT log list from the default location.
2400 * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2401 * the log information loaded from this file will be appended to the
2402 * CTLOG_STORE.
2403 * Returns 1 on success, 0 otherwise.
2404 */
2405int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx);
2406
2407/*
2408 * Loads the CT log list from the specified file path.
2409 * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2410 * the log information loaded from this file will be appended to the
2411 * CTLOG_STORE.
2412 * Returns 1 on success, 0 otherwise.
2413 */
2414int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path);
2415
2416/*
2417 * Sets the CT log list used by all SSL connections created from this SSL_CTX.
2418 * Ownership of the CTLOG_STORE is transferred to the SSL_CTX.
2419 */
2420void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE *logs);
2421
2422/*
2423 * Gets the CT log list used by all SSL connections created from this SSL_CTX.
2424 * This will be NULL unless one of the following functions has been called:
2425 * - SSL_CTX_set_default_ctlog_list_file
2426 * - SSL_CTX_set_ctlog_list_file
2427 * - SSL_CTX_set_ctlog_store
2428 */
2429const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx);
2430
2431# endif /* OPENSSL_NO_CT */
2432
2433/* What the "other" parameter contains in security callback */
2434/* Mask for type */
2435# define SSL_SECOP_OTHER_TYPE 0xffff0000
2436# define SSL_SECOP_OTHER_NONE 0
2437# define SSL_SECOP_OTHER_CIPHER (1 << 16)
2438# define SSL_SECOP_OTHER_CURVE (2 << 16)
2439# define SSL_SECOP_OTHER_DH (3 << 16)
2440# define SSL_SECOP_OTHER_PKEY (4 << 16)
2441# define SSL_SECOP_OTHER_SIGALG (5 << 16)
2442# define SSL_SECOP_OTHER_CERT (6 << 16)
2443
2444/* Indicated operation refers to peer key or certificate */
2445# define SSL_SECOP_PEER 0x1000
2446
2447/* Values for "op" parameter in security callback */
2448
2449/* Called to filter ciphers */
2450/* Ciphers client supports */
2451# define SSL_SECOP_CIPHER_SUPPORTED (1 | SSL_SECOP_OTHER_CIPHER)
2452/* Cipher shared by client/server */
2453# define SSL_SECOP_CIPHER_SHARED (2 | SSL_SECOP_OTHER_CIPHER)
2454/* Sanity check of cipher server selects */
2455# define SSL_SECOP_CIPHER_CHECK (3 | SSL_SECOP_OTHER_CIPHER)
2456/* Curves supported by client */
2457# define SSL_SECOP_CURVE_SUPPORTED (4 | SSL_SECOP_OTHER_CURVE)
2458/* Curves shared by client/server */
2459# define SSL_SECOP_CURVE_SHARED (5 | SSL_SECOP_OTHER_CURVE)
2460/* Sanity check of curve server selects */
2461# define SSL_SECOP_CURVE_CHECK (6 | SSL_SECOP_OTHER_CURVE)
2462/* Temporary DH key */
2463# define SSL_SECOP_TMP_DH (7 | SSL_SECOP_OTHER_PKEY)
2464/* SSL/TLS version */
2465# define SSL_SECOP_VERSION (9 | SSL_SECOP_OTHER_NONE)
2466/* Session tickets */
2467# define SSL_SECOP_TICKET (10 | SSL_SECOP_OTHER_NONE)
2468/* Supported signature algorithms sent to peer */
2469# define SSL_SECOP_SIGALG_SUPPORTED (11 | SSL_SECOP_OTHER_SIGALG)
2470/* Shared signature algorithm */
2471# define SSL_SECOP_SIGALG_SHARED (12 | SSL_SECOP_OTHER_SIGALG)
2472/* Sanity check signature algorithm allowed */
2473# define SSL_SECOP_SIGALG_CHECK (13 | SSL_SECOP_OTHER_SIGALG)
2474/* Used to get mask of supported public key signature algorithms */
2475# define SSL_SECOP_SIGALG_MASK (14 | SSL_SECOP_OTHER_SIGALG)
2476/* Use to see if compression is allowed */
2477# define SSL_SECOP_COMPRESSION (15 | SSL_SECOP_OTHER_NONE)
2478/* EE key in certificate */
2479# define SSL_SECOP_EE_KEY (16 | SSL_SECOP_OTHER_CERT)
2480/* CA key in certificate */
2481# define SSL_SECOP_CA_KEY (17 | SSL_SECOP_OTHER_CERT)
2482/* CA digest algorithm in certificate */
2483# define SSL_SECOP_CA_MD (18 | SSL_SECOP_OTHER_CERT)
2484/* Peer EE key in certificate */
2485# define SSL_SECOP_PEER_EE_KEY (SSL_SECOP_EE_KEY | SSL_SECOP_PEER)
2486/* Peer CA key in certificate */
2487# define SSL_SECOP_PEER_CA_KEY (SSL_SECOP_CA_KEY | SSL_SECOP_PEER)
2488/* Peer CA digest algorithm in certificate */
2489# define SSL_SECOP_PEER_CA_MD (SSL_SECOP_CA_MD | SSL_SECOP_PEER)
2490
2491void SSL_set_security_level(SSL *s, int level);
2492__owur int SSL_get_security_level(const SSL *s);
2493void SSL_set_security_callback(SSL *s,
2494 int (*cb) (const SSL *s, const SSL_CTX *ctx,
2495 int op, int bits, int nid,
2496 void *other, void *ex));
2497int (*SSL_get_security_callback(const SSL *s)) (const SSL *s,
2498 const SSL_CTX *ctx, int op,
2499 int bits, int nid, void *other,
2500 void *ex);
2501void SSL_set0_security_ex_data(SSL *s, void *ex);
2502__owur void *SSL_get0_security_ex_data(const SSL *s);
2503
2504void SSL_CTX_set_security_level(SSL_CTX *ctx, int level);
2505__owur int SSL_CTX_get_security_level(const SSL_CTX *ctx);
2506void SSL_CTX_set_security_callback(SSL_CTX *ctx,
2507 int (*cb) (const SSL *s, const SSL_CTX *ctx,
2508 int op, int bits, int nid,
2509 void *other, void *ex));
2510int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (const SSL *s,
2511 const SSL_CTX *ctx,
2512 int op, int bits,
2513 int nid,
2514 void *other,
2515 void *ex);
2516void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex);
2517__owur void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx);
2518
2519/* OPENSSL_INIT flag 0x010000 reserved for internal use */
2520# define OPENSSL_INIT_NO_LOAD_SSL_STRINGS 0x00100000L
2521# define OPENSSL_INIT_LOAD_SSL_STRINGS 0x00200000L
2522
2523# define OPENSSL_INIT_SSL_DEFAULT \
2524 (OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS)
2525
2526int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
2527
2528# ifndef OPENSSL_NO_UNIT_TEST
2529__owur const struct openssl_ssl_test_functions *SSL_test_functions(void);
2530# endif
2531
2532__owur int SSL_free_buffers(SSL *ssl);
2533__owur int SSL_alloc_buffers(SSL *ssl);
2534
2535/* Status codes passed to the decrypt session ticket callback. Some of these
2536 * are for internal use only and are never passed to the callback. */
2537typedef int SSL_TICKET_STATUS;
2538
2539/* Support for ticket appdata */
2540/* fatal error, malloc failure */
2541# define SSL_TICKET_FATAL_ERR_MALLOC 0
2542/* fatal error, either from parsing or decrypting the ticket */
2543# define SSL_TICKET_FATAL_ERR_OTHER 1
2544/* No ticket present */
2545# define SSL_TICKET_NONE 2
2546/* Empty ticket present */
2547# define SSL_TICKET_EMPTY 3
2548/* the ticket couldn't be decrypted */
2549# define SSL_TICKET_NO_DECRYPT 4
2550/* a ticket was successfully decrypted */
2551# define SSL_TICKET_SUCCESS 5
2552/* same as above but the ticket needs to be renewed */
2553# define SSL_TICKET_SUCCESS_RENEW 6
2554
2555/* Return codes for the decrypt session ticket callback */
2556typedef int SSL_TICKET_RETURN;
2557
2558/* An error occurred */
2559#define SSL_TICKET_RETURN_ABORT 0
2560/* Do not use the ticket, do not send a renewed ticket to the client */
2561#define SSL_TICKET_RETURN_IGNORE 1
2562/* Do not use the ticket, send a renewed ticket to the client */
2563#define SSL_TICKET_RETURN_IGNORE_RENEW 2
2564/* Use the ticket, do not send a renewed ticket to the client */
2565#define SSL_TICKET_RETURN_USE 3
2566/* Use the ticket, send a renewed ticket to the client */
2567#define SSL_TICKET_RETURN_USE_RENEW 4
2568
2569typedef int (*SSL_CTX_generate_session_ticket_fn)(SSL *s, void *arg);
2570typedef SSL_TICKET_RETURN (*SSL_CTX_decrypt_session_ticket_fn)(SSL *s, SSL_SESSION *ss,
2571 const unsigned char *keyname,
2572 size_t keyname_length,
2573 SSL_TICKET_STATUS status,
2574 void *arg);
2575int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx,
2576 SSL_CTX_generate_session_ticket_fn gen_cb,
2577 SSL_CTX_decrypt_session_ticket_fn dec_cb,
2578 void *arg);
2579int SSL_SESSION_set1_ticket_appdata(SSL_SESSION *ss, const void *data, size_t len);
2580int SSL_SESSION_get0_ticket_appdata(SSL_SESSION *ss, void **data, size_t *len);
2581
2582typedef unsigned int (*DTLS_timer_cb)(SSL *s, unsigned int timer_us);
2583
2584void DTLS_set_timer_cb(SSL *s, DTLS_timer_cb cb);
2585
2586
2587typedef int (*SSL_allow_early_data_cb_fn)(SSL *s, void *arg);
2588void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx,
2589 SSL_allow_early_data_cb_fn cb,
2590 void *arg);
2591void SSL_set_allow_early_data_cb(SSL *s,
2592 SSL_allow_early_data_cb_fn cb,
2593 void *arg);
2594
2595/* store the default cipher strings inside the library */
2596const char *OSSL_default_cipher_list(void);
2597const char *OSSL_default_ciphersuites(void);
2598
2599# ifdef __cplusplus
2600}
2601# endif
2602#endif
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