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TLS Cipher Suite 0xC102 Support
[thirdparty/openssl.git] / include / openssl / ssl.h
CommitLineData
21dcbebc 1/*
98278b96 2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
aa8f3d76 3 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
c80149d9 4 * Copyright 2005 Nokia. All rights reserved.
8c74b5e5 5 *
48f4ad77 6 * Licensed under the Apache License 2.0 (the "License"). You may not use
21dcbebc
RS		 7 * this file except in compliance with the License. You can obtain a copy
8 * in the file LICENSE in the source distribution or at
9 * https://www.openssl.org/source/license.html
8c74b5e5 10 */
21dcbebc 11
ae4186b0
DMSP		 12#ifndef OPENSSL_SSL_H
13# define OPENSSL_SSL_H
d86167ec
DMSP		 14# pragma once
15
16# include <openssl/macros.h>
936c2b9e 17# ifndef OPENSSL_NO_DEPRECATED_3_0
d86167ec
DMSP		 18# define HEADER_SSL_H
19# endif
d02b48c6 20
0f113f3e 21# include <openssl/e_os2.h>
98186eb4 22# include <openssl/opensslconf.h>
9a555706 23# include <openssl/comp.h>
a00ae6c4 24# include <openssl/bio.h>
00db8c60 25# ifndef OPENSSL_NO_DEPRECATED_1_1_0
a00ae6c4 26# include <openssl/x509.h>
0f113f3e 27# include <openssl/crypto.h>
0f113f3e
MC		 28# include <openssl/buffer.h>
29# endif
f32b0abe 30# include <openssl/lhash.h>
0f113f3e
MC		 31# include <openssl/pem.h>
32# include <openssl/hmac.h>
ff75a257 33# include <openssl/async.h>
d095b68d 34
0f113f3e
MC		 35# include <openssl/safestack.h>
36# include <openssl/symhacks.h>
3c27208f 37# include <openssl/ct.h>
52df25cf 38# include <openssl/sslerr.h>
82271cee 39
d02b48c6
RE		 40#ifdef __cplusplus
41extern "C" {
42#endif
43
b0700d2c 44/* OpenSSL version number for ASN.1 encoding of the session information */
c80fd6b2
MC		 45/*-
46 * Version 0 - initial version
d02b48c6
RE		 47 * Version 1 - added the optional peer certificate
48 */
0f113f3e 49# define SSL_SESSION_ASN1_VERSION 0x0001
d02b48c6 50
0f113f3e
MC		 51# define SSL_MAX_SSL_SESSION_ID_LENGTH 32
52# define SSL_MAX_SID_CTX_LENGTH 32
53
54# define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES (512/8)
55# define SSL_MAX_KEY_ARG_LENGTH 8
1a3392c8 56# define SSL_MAX_MASTER_KEY_LENGTH 48
52b8dad8 57
d102d9df
MC		 58/* The maximum number of encrypt/decrypt pipelines we can support */
59# define SSL_MAX_PIPELINES 32
60
55a9a16f
MC		 61/* text strings for the ciphers */
62
d02b48c6 63/* These are used to specify which ciphers to use and not to use */
52b8dad8 64
0f113f3e
MC		 65# define SSL_TXT_LOW "LOW"
66# define SSL_TXT_MEDIUM "MEDIUM"
67# define SSL_TXT_HIGH "HIGH"
68# define SSL_TXT_FIPS "FIPS"
69
0f113f3e
MC		 70# define SSL_TXT_aNULL "aNULL"
71# define SSL_TXT_eNULL "eNULL"
72# define SSL_TXT_NULL "NULL"
73
74# define SSL_TXT_kRSA "kRSA"
643d91fe
BE		 75# define SSL_TXT_kDHr "kDHr"/* this cipher class has been removed */
76# define SSL_TXT_kDHd "kDHd"/* this cipher class has been removed */
77# define SSL_TXT_kDH "kDH"/* this cipher class has been removed */
0f113f3e
MC		 78# define SSL_TXT_kEDH "kEDH"/* alias for kDHE */
79# define SSL_TXT_kDHE "kDHE"
643d91fe
BE		 80# define SSL_TXT_kECDHr "kECDHr"/* this cipher class has been removed */
81# define SSL_TXT_kECDHe "kECDHe"/* this cipher class has been removed */
82# define SSL_TXT_kECDH "kECDH"/* this cipher class has been removed */
0f113f3e
MC		 83# define SSL_TXT_kEECDH "kEECDH"/* alias for kECDHE */
84# define SSL_TXT_kECDHE "kECDHE"
85# define SSL_TXT_kPSK "kPSK"
0096d8f7
DSH		 86# define SSL_TXT_kRSAPSK "kRSAPSK"
87# define SSL_TXT_kECDHEPSK "kECDHEPSK"
88# define SSL_TXT_kDHEPSK "kDHEPSK"
0f113f3e
MC		 89# define SSL_TXT_kGOST "kGOST"
90# define SSL_TXT_kSRP "kSRP"
91
92# define SSL_TXT_aRSA "aRSA"
93# define SSL_TXT_aDSS "aDSS"
643d91fe
BE		 94# define SSL_TXT_aDH "aDH"/* this cipher class has been removed */
95# define SSL_TXT_aECDH "aECDH"/* this cipher class has been removed */
0f113f3e
MC		 96# define SSL_TXT_aECDSA "aECDSA"
97# define SSL_TXT_aPSK "aPSK"
e44380a9
DB		 98# define SSL_TXT_aGOST94 "aGOST94"
99# define SSL_TXT_aGOST01 "aGOST01"
100# define SSL_TXT_aGOST12 "aGOST12"
101# define SSL_TXT_aGOST "aGOST"
0f113f3e
MC		 102# define SSL_TXT_aSRP "aSRP"
103
104# define SSL_TXT_DSS "DSS"
105# define SSL_TXT_DH "DH"
106# define SSL_TXT_DHE "DHE"/* same as "kDHE:-ADH" */
107# define SSL_TXT_EDH "EDH"/* alias for DHE */
108# define SSL_TXT_ADH "ADH"
109# define SSL_TXT_RSA "RSA"
110# define SSL_TXT_ECDH "ECDH"
111# define SSL_TXT_EECDH "EECDH"/* alias for ECDHE" */
112# define SSL_TXT_ECDHE "ECDHE"/* same as "kECDHE:-AECDH" */
113# define SSL_TXT_AECDH "AECDH"
114# define SSL_TXT_ECDSA "ECDSA"
0f113f3e
MC		 115# define SSL_TXT_PSK "PSK"
116# define SSL_TXT_SRP "SRP"
117
118# define SSL_TXT_DES "DES"
119# define SSL_TXT_3DES "3DES"
120# define SSL_TXT_RC4 "RC4"
121# define SSL_TXT_RC2 "RC2"
122# define SSL_TXT_IDEA "IDEA"
123# define SSL_TXT_SEED "SEED"
124# define SSL_TXT_AES128 "AES128"
125# define SSL_TXT_AES256 "AES256"
126# define SSL_TXT_AES "AES"
127# define SSL_TXT_AES_GCM "AESGCM"
e75c5a79 128# define SSL_TXT_AES_CCM "AESCCM"
3d3701ea 129# define SSL_TXT_AES_CCM_8 "AESCCM8"
0f113f3e
MC		 130# define SSL_TXT_CAMELLIA128 "CAMELLIA128"
131# define SSL_TXT_CAMELLIA256 "CAMELLIA256"
132# define SSL_TXT_CAMELLIA "CAMELLIA"
a76ba82c 133# define SSL_TXT_CHACHA20 "CHACHA20"
e44380a9 134# define SSL_TXT_GOST "GOST89"
bc326738
JS		 135# define SSL_TXT_ARIA "ARIA"
136# define SSL_TXT_ARIA_GCM "ARIAGCM"
137# define SSL_TXT_ARIA128 "ARIA128"
138# define SSL_TXT_ARIA256 "ARIA256"
98278b96 139# define SSL_TXT_GOST2012_GOST8912_GOST8912 "GOST2012-GOST8912-GOST8912"
0f113f3e
MC		 140
141# define SSL_TXT_MD5 "MD5"
142# define SSL_TXT_SHA1 "SHA1"
143# define SSL_TXT_SHA "SHA"/* same as "SHA1" */
144# define SSL_TXT_GOST94 "GOST94"
e44380a9
DB		 145# define SSL_TXT_GOST89MAC "GOST89MAC"
146# define SSL_TXT_GOST12 "GOST12"
147# define SSL_TXT_GOST89MAC12 "GOST89MAC12"
0f113f3e
MC		 148# define SSL_TXT_SHA256 "SHA256"
149# define SSL_TXT_SHA384 "SHA384"
150
151# define SSL_TXT_SSLV3 "SSLv3"
152# define SSL_TXT_TLSV1 "TLSv1"
153# define SSL_TXT_TLSV1_1 "TLSv1.1"
154# define SSL_TXT_TLSV1_2 "TLSv1.2"
155
0f113f3e 156# define SSL_TXT_ALL "ALL"
d02b48c6 157
1d97c843 158/*-
c6ccf055
LJ		 159 * COMPLEMENTOF* definitions. These identifiers are used to (de-select)
160 * ciphers normally not being used.
161 * Example: "RC4" will activate all ciphers using RC4 including ciphers
162 * without authentication, which would normally disabled by DEFAULT (due
163 * the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT"
164 * will make sure that it is also disabled in the specific selection.
165 * COMPLEMENTOF* identifiers are portable between version, as adjustments
166 * to the default cipher setup will also be included here.
167 *
168 * COMPLEMENTOFDEFAULT does not experience the same special treatment that
169 * DEFAULT gets, as only selection is being done and no sorting as needed
170 * for DEFAULT.
171 */
0f113f3e
MC		 172# define SSL_TXT_CMPALL "COMPLEMENTOFALL"
173# define SSL_TXT_CMPDEF "COMPLEMENTOFDEFAULT"
174
175/*
176 * The following cipher list is used by default. It also is substituted when
177 * an application-defined cipher list string starts with 'DEFAULT'.
fa25763b 178 * This applies to ciphersuites for TLSv1.2 and below.
5d120511
TS		 179 * DEPRECATED IN 3.0.0, in favor of OSSL_default_cipher_list()
180 * Update both macro and function simultaneously
0f113f3e 181 */
936c2b9e 182# ifndef OPENSSL_NO_DEPRECATED_3_0
5d120511
TS		 183# define SSL_DEFAULT_CIPHER_LIST "ALL:!COMPLEMENTOFDEFAULT:!eNULL"
184/*
185 * This is the default set of TLSv1.3 ciphersuites
186 * DEPRECATED IN 3.0.0, in favor of OSSL_default_ciphersuites()
187 * Update both macro and function simultaneously
188 */
189# if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
190# define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \
191 "TLS_CHACHA20_POLY1305_SHA256:" \
192 "TLS_AES_128_GCM_SHA256"
193# else
194# define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \
7731e619 195 "TLS_AES_128_GCM_SHA256"
5d120511
TS		 196# endif
197# endif
0f113f3e
MC		 198/*
199 * As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always
0a05123a 200 * starts with a reasonable order, and all we have to do for DEFAULT is
0f113f3e
MC		 201 * throwing out anonymous and unencrypted ciphersuites! (The latter are not
202 * actually enabled by ALL, but "ALL:RSA" would enable some of them.)
0a05123a 203 */
d02b48c6 204
58964a49 205/* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
0f113f3e
MC		 206# define SSL_SENT_SHUTDOWN 1
207# define SSL_RECEIVED_SHUTDOWN 2
d02b48c6 208
82271cee
RL		 209#ifdef __cplusplus
210}
211#endif
212
82271cee
RL		 213#ifdef __cplusplus
214extern "C" {
215#endif
216
0f113f3e
MC		 217# define SSL_FILETYPE_ASN1 X509_FILETYPE_ASN1
218# define SSL_FILETYPE_PEM X509_FILETYPE_PEM
d02b48c6 219
0f113f3e
MC		 220/*
221 * This is needed to stop compilers complaining about the 'struct ssl_st *'
222 * function parameters used to prototype callbacks in SSL_CTX.
223 */
d02b48c6 224typedef struct ssl_st *ssl_crock_st;
12bf56c0 225typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
08557cf2
DSH		 226typedef struct ssl_method_st SSL_METHOD;
227typedef struct ssl_cipher_st SSL_CIPHER;
228typedef struct ssl_session_st SSL_SESSION;
e7f8ff43 229typedef struct tls_sigalgs_st TLS_SIGALGS;
3db935a9 230typedef struct ssl_conf_ctx_st SSL_CONF_CTX;
4b1fa408 231typedef struct ssl_comp_st SSL_COMP;
08557cf2 232
b32166b4
MC		 233STACK_OF(SSL_CIPHER);
234STACK_OF(SSL_COMP);
08557cf2 235
333f926d 236/* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/
0f113f3e
MC		 237typedef struct srtp_protection_profile_st {
238 const char *name;
239 unsigned long id;
240} SRTP_PROTECTION_PROFILE;
333f926d 241
85885715 242DEFINE_STACK_OF(SRTP_PROTECTION_PROFILE)
333f926d 243
2f8271eb
F		 244typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data,
245 int len, void *arg);
246typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len,
247 STACK_OF(SSL_CIPHER) *peer_ciphers,
248 const SSL_CIPHER **cipher, void *arg);
08557cf2 249
fe874d27
MC		 250/* Extension context codes */
251/* This extension is only allowed in TLS */
252#define SSL_EXT_TLS_ONLY 0x0001
253/* This extension is only allowed in DTLS */
254#define SSL_EXT_DTLS_ONLY 0x0002
255/* Some extensions may be allowed in DTLS but we don't implement them for it */
256#define SSL_EXT_TLS_IMPLEMENTATION_ONLY 0x0004
257/* Most extensions are not defined for SSLv3 but EXT_TYPE_renegotiate is */
258#define SSL_EXT_SSL3_ALLOWED 0x0008
43ae5eed 259/* Extension is only defined for TLS1.2 and below */
fe874d27
MC		 260#define SSL_EXT_TLS1_2_AND_BELOW_ONLY 0x0010
261/* Extension is only defined for TLS1.3 and above */
262#define SSL_EXT_TLS1_3_ONLY 0x0020
43ae5eed
MC		 263/* Ignore this extension during parsing if we are resuming */
264#define SSL_EXT_IGNORE_ON_RESUMPTION 0x0040
265#define SSL_EXT_CLIENT_HELLO 0x0080
fe874d27 266/* Really means TLS1.2 or below */
43ae5eed
MC		 267#define SSL_EXT_TLS1_2_SERVER_HELLO 0x0100
268#define SSL_EXT_TLS1_3_SERVER_HELLO 0x0200
269#define SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS 0x0400
270#define SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST 0x0800
271#define SSL_EXT_TLS1_3_CERTIFICATE 0x1000
272#define SSL_EXT_TLS1_3_NEW_SESSION_TICKET 0x2000
273#define SSL_EXT_TLS1_3_CERTIFICATE_REQUEST 0x4000
fe874d27 274
33f653ad 275/* Typedefs for handling custom extensions */
ecf4d660 276
2f8271eb
F		 277typedef int (*custom_ext_add_cb)(SSL *s, unsigned int ext_type,
278 const unsigned char **out, size_t *outlen,
279 int *al, void *add_arg);
33f653ad 280
2f8271eb
F		 281typedef void (*custom_ext_free_cb)(SSL *s, unsigned int ext_type,
282 const unsigned char *out, void *add_arg);
ecf4d660 283
2f8271eb
F		 284typedef int (*custom_ext_parse_cb)(SSL *s, unsigned int ext_type,
285 const unsigned char *in, size_t inlen,
286 int *al, void *parse_arg);
33f653ad 287
43ae5eed 288
2f8271eb
F		 289typedef int (*SSL_custom_ext_add_cb_ex)(SSL *s, unsigned int ext_type,
290 unsigned int context,
291 const unsigned char **out,
292 size_t *outlen, X509 *x,
293 size_t chainidx,
294 int *al, void *add_arg);
cd17bb19 295
2f8271eb
F		 296typedef void (*SSL_custom_ext_free_cb_ex)(SSL *s, unsigned int ext_type,
297 unsigned int context,
298 const unsigned char *out,
299 void *add_arg);
cd17bb19 300
2f8271eb
F		 301typedef int (*SSL_custom_ext_parse_cb_ex)(SSL *s, unsigned int ext_type,
302 unsigned int context,
303 const unsigned char *in,
304 size_t inlen, X509 *x,
305 size_t chainidx,
306 int *al, void *parse_arg);
43ae5eed 307
121677b4 308/* Typedef for verification callback */
3adc41dd 309typedef int (*SSL_verify_cb)(int preverify_ok, X509_STORE_CTX *x509_ctx);
121677b4 310
9f5a87fd
PY		 311/* Typedef for SSL async callback */
312typedef int (*SSL_async_callback_fn)(SSL *s, void *arg);
313
dd05bd4c 314/*
088dfa13 315 * Some values are reserved until OpenSSL 3.0.0 because they were previously
dd05bd4c 316 * included in SSL_OP_ALL in a 1.1.x release.
dd05bd4c 317 */
088dfa13
TS		 318
319/* Disable Extended master secret */
320# define SSL_OP_NO_EXTENDED_MASTER_SECRET 0x00000001U
321
322/* Reserved value (until OpenSSL 3.0.0) 0x00000002U */
323
ef51b4b9 324/* Allow initial connection to servers that don't support RI */
36e79832 325# define SSL_OP_LEGACY_SERVER_CONNECT 0x00000004U
dd05bd4c 326
088dfa13 327/* Reserved value (until OpenSSL 3.0.0) 0x00000008U */
36e79832 328# define SSL_OP_TLSEXT_PADDING 0x00000010U
088dfa13 329/* Reserved value (until OpenSSL 3.0.0) 0x00000020U */
36e79832 330# define SSL_OP_SAFARI_ECDHE_ECDSA_BUG 0x00000040U
dd05bd4c 331/*
088dfa13
TS		 332 * Reserved value (until OpenSSL 3.0.0) 0x00000080U
333 * Reserved value (until OpenSSL 3.0.0) 0x00000100U
334 * Reserved value (until OpenSSL 3.0.0) 0x00000200U
dd05bd4c 335 */
0f113f3e 336
4f11c747
MC		 337/* In TLSv1.3 allow a non-(ec)dhe based kex_mode */
338# define SSL_OP_ALLOW_NO_DHE_KEX 0x00000400U
339
0f113f3e
MC		 340/*
341 * Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added in
342 * OpenSSL 0.9.6d. Usually (depending on the application protocol) the
343 * workaround is not needed. Unfortunately some broken SSL/TLS
344 * implementations cannot handle it at all, which is why we include it in
80a2fc41 345 * SSL_OP_ALL. Added in 0.9.6e
0f113f3e 346 */
36e79832 347# define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS 0x00000800U
c21506ba 348
36d16f8e 349/* DTLS options */
80a2fc41 350# define SSL_OP_NO_QUERY_MTU 0x00001000U
36d16f8e 351/* Turn on Cookie Exchange (on relevant for servers) */
80a2fc41 352# define SSL_OP_COOKIE_EXCHANGE 0x00002000U
6434abbf 353/* Don't use RFC4507 ticket extension */
80a2fc41 354# define SSL_OP_NO_TICKET 0x00004000U
032924c4
DW		 355# ifndef OPENSSL_NO_DTLS1_METHOD
356/* Use Cisco's "speshul" version of DTLS_BAD_VER
357 * (only with deprecated DTLSv1_client_method()) */
80a2fc41 358# define SSL_OP_CISCO_ANYCONNECT 0x00008000U
032924c4 359# endif
36d16f8e 360
c21506ba 361/* As server, disallow session resumption on renegotiation */
36e79832 362# define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION 0x00010000U
566dda07 363/* Don't use compression even if supported */
36e79832 364# define SSL_OP_NO_COMPRESSION 0x00020000U
22c21555 365/* Permit unsafe legacy renegotiation */
36e79832 366# define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION 0x00040000U
cde6145b
DW		 367/* Disable encrypt-then-mac */
368# define SSL_OP_NO_ENCRYPT_THEN_MAC 0x00080000U
a5816a5a
MC		 369
370/*
371 * Enable TLSv1.3 Compatibility mode. This is on by default. A future version
372 * of OpenSSL may have this disabled by default.
373 */
374# define SSL_OP_ENABLE_MIDDLEBOX_COMPAT 0x00100000U
375
e1c7871d
TS		 376/* Prioritize Chacha20Poly1305 when client does.
377 * Modifies SSL_OP_CIPHER_SERVER_PREFERENCE */
378# define SSL_OP_PRIORITIZE_CHACHA 0x00200000U
a5816a5a 379
0f113f3e
MC		 380/*
381 * Set on servers to choose the cipher according to the server's preferences
382 */
36e79832 383# define SSL_OP_CIPHER_SERVER_PREFERENCE 0x00400000U
0f113f3e
MC		 384/*
385 * If set, a server will allow a client to issue a SSLv3.0 version number as
386 * latest version supported in the premaster secret, even when TLSv1.0
06da6e49 387 * (version 3.1) was announced in the client hello. Normally this is
0f113f3e
MC		 388 * forbidden to prevent version rollback attacks.
389 */
36e79832 390# define SSL_OP_TLS_ROLLBACK_BUG 0x00800000U
c21506ba 391
5d263fb7
MC		 392/*
393 * Switches off automatic TLSv1.3 anti-replay protection for early data. This
394 * is a server-side option only (no effect on the client).
395 */
396# define SSL_OP_NO_ANTI_REPLAY 0x01000000U
397
36e79832
DSH		 398# define SSL_OP_NO_SSLv3 0x02000000U
399# define SSL_OP_NO_TLSv1 0x04000000U
400# define SSL_OP_NO_TLSv1_2 0x08000000U
401# define SSL_OP_NO_TLSv1_1 0x10000000U
582a17d6 402# define SSL_OP_NO_TLSv1_3 0x20000000U
d02b48c6 403
36e79832
DSH		 404# define SSL_OP_NO_DTLSv1 0x04000000U
405# define SSL_OP_NO_DTLSv1_2 0x08000000U
c6913eeb 406
0f113f3e 407# define SSL_OP_NO_SSL_MASK (SSL_OP_NO_SSLv3|\
582a17d6 408 SSL_OP_NO_TLSv1|SSL_OP_NO_TLSv1_1|SSL_OP_NO_TLSv1_2|SSL_OP_NO_TLSv1_3)
7946ab33
KR		 409# define SSL_OP_NO_DTLS_MASK (SSL_OP_NO_DTLSv1|SSL_OP_NO_DTLSv1_2)
410
db0f35dd
TS		 411/* Disallow all renegotiation */
412# define SSL_OP_NO_RENEGOTIATION 0x40000000U
413
0f113f3e
MC		 414/*
415 * Make server add server-hello extension from early version of cryptopro
416 * draft, when GOST ciphersuite is negotiated. Required for interoperability
417 * with CryptoPro CSP 3.x
418 */
36e79832 419# define SSL_OP_CRYPTOPRO_TLSEXT_BUG 0x80000000U
0f113f3e 420
80a2fc41
TS		 421/*
422 * SSL_OP_ALL: various bug workarounds that should be rather harmless.
423 * This used to be 0x000FFFFFL before 0.9.7.
424 * This used to be 0x80000BFFU before 1.1.1.
425 */
426# define SSL_OP_ALL (SSL_OP_CRYPTOPRO_TLSEXT_BUG|\
427 SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS|\
428 SSL_OP_LEGACY_SERVER_CONNECT|\
429 SSL_OP_TLSEXT_PADDING|\
430 SSL_OP_SAFARI_ECDHE_ECDSA_BUG)
431
432/* OBSOLETE OPTIONS: retained for compatibility */
433
434/* Removed from OpenSSL 1.1.0. Was 0x00000001L */
435/* Related to removed SSLv2. */
436# define SSL_OP_MICROSOFT_SESS_ID_BUG 0x0
437/* Removed from OpenSSL 1.1.0. Was 0x00000002L */
438/* Related to removed SSLv2. */
439# define SSL_OP_NETSCAPE_CHALLENGE_BUG 0x0
440/* Removed from OpenSSL 0.9.8q and 1.0.0c. Was 0x00000008L */
441/* Dead forever, see CVE-2010-4180 */
442# define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG 0x0
443/* Removed from OpenSSL 1.0.1h and 1.0.2. Was 0x00000010L */
444/* Refers to ancient SSLREF and SSLv2. */
445# define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG 0x0
446/* Removed from OpenSSL 1.1.0. Was 0x00000020 */
447# define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER 0x0
448/* Removed from OpenSSL 0.9.7h and 0.9.8b. Was 0x00000040L */
449# define SSL_OP_MSIE_SSLV2_RSA_PADDING 0x0
450/* Removed from OpenSSL 1.1.0. Was 0x00000080 */
451/* Ancient SSLeay version. */
452# define SSL_OP_SSLEAY_080_CLIENT_DH_BUG 0x0
453/* Removed from OpenSSL 1.1.0. Was 0x00000100L */
454# define SSL_OP_TLS_D5_BUG 0x0
455/* Removed from OpenSSL 1.1.0. Was 0x00000200L */
456# define SSL_OP_TLS_BLOCK_PADDING_BUG 0x0
457/* Removed from OpenSSL 1.1.0. Was 0x00080000L */
458# define SSL_OP_SINGLE_ECDH_USE 0x0
459/* Removed from OpenSSL 1.1.0. Was 0x00100000L */
460# define SSL_OP_SINGLE_DH_USE 0x0
461/* Removed from OpenSSL 1.0.1k and 1.0.2. Was 0x00200000L */
462# define SSL_OP_EPHEMERAL_RSA 0x0
463/* Removed from OpenSSL 1.1.0. Was 0x01000000L */
464# define SSL_OP_NO_SSLv2 0x0
465/* Removed from OpenSSL 1.0.1. Was 0x08000000L */
466# define SSL_OP_PKCS1_CHECK_1 0x0
467/* Removed from OpenSSL 1.0.1. Was 0x10000000L */
468# define SSL_OP_PKCS1_CHECK_2 0x0
bd91e3c8 469/* Removed from OpenSSL 1.1.0. Was 0x20000000L */
80a2fc41
TS		 470# define SSL_OP_NETSCAPE_CA_DN_BUG 0x0
471/* Removed from OpenSSL 1.1.0. Was 0x40000000L */
472# define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG 0x0
473
0f113f3e
MC		 474/*
475 * Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
476 * when just a single record has been written):
0e1dba93 477 */
36e79832 478# define SSL_MODE_ENABLE_PARTIAL_WRITE 0x00000001U
0f113f3e
MC		 479/*
480 * Make it possible to retry SSL_write() with changed buffer location (buffer
481 * contents must stay the same!); this is not the default to avoid the
482 * misconception that non-blocking SSL_write() behaves like non-blocking
483 * write():
484 */
36e79832 485# define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002U
0f113f3e
MC		 486/*
487 * Never bother the application with retries if the transport is blocking:
488 */
36e79832 489# define SSL_MODE_AUTO_RETRY 0x00000004U
cf56663f 490/* Don't attempt to automatically build certificate chain */
36e79832 491# define SSL_MODE_NO_AUTO_CHAIN 0x00000008U
0f113f3e
MC		 492/*
493 * Save RAM by releasing read and write buffers when they're empty. (SSL3 and
a58eb06d 494 * TLS only.) Released buffers are freed.
0f113f3e 495 */
36e79832 496# define SSL_MODE_RELEASE_BUFFERS 0x00000010U
0f113f3e
MC		 497/*
498 * Send the current time in the Random fields of the ClientHello and
2016265d
NM		 499 * ServerHello records for compatibility with hypothetical implementations
500 * that require it.
501 */
36e79832
DSH		 502# define SSL_MODE_SEND_CLIENTHELLO_TIME 0x00000020U
503# define SSL_MODE_SEND_SERVERHELLO_TIME 0x00000040U
0f113f3e
MC		 504/*
505 * Send TLS_FALLBACK_SCSV in the ClientHello. To be set only by applications
506 * that reconnect with a downgraded protocol version; see
507 * draft-ietf-tls-downgrade-scsv-00 for details. DO NOT ENABLE THIS if your
508 * application attempts a normal handshake. Only use this in explicit
509 * fallback retries, following the guidance in
510 * draft-ietf-tls-downgrade-scsv-00.
98f1ac7d 511 */
36e79832 512# define SSL_MODE_SEND_FALLBACK_SCSV 0x00000080U
07bbc92c
MC		 513/*
514 * Support Asynchronous operation
515 */
516# define SSL_MODE_ASYNC 0x00000100U
50ec7505 517/*
c35e921f 518 * Don't use the kernel TLS data-path for sending.
50ec7505
BP		 519 */
520# define SSL_MODE_NO_KTLS_TX 0x00000200U
09d62b33
MT		 521/*
522 * When using DTLS/SCTP, include the terminating zero in the label
523 * used for computing the endpoint-pair shared secret. Required for
524 * interoperability with implementations having this bug like these
525 * older version of OpenSSL:
526 * - OpenSSL 1.0.0 series
527 * - OpenSSL 1.0.1 series
528 * - OpenSSL 1.0.2 series
529 * - OpenSSL 1.1.0 series
530 * - OpenSSL 1.1.1 and 1.1.1a
531 */
532# define SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG 0x00000400U
c35e921f
BP		 533/*
534 * Don't use the kernel TLS data-path for receiving.
535 */
536# define SSL_MODE_NO_KTLS_RX 0x00000800U
c21506ba 537
d61ff83b 538/* Cert related flags */
0f113f3e
MC		 539/*
540 * Many implementations ignore some aspects of the TLS standards such as
ceab33e2 541 * enforcing certificate chain algorithms. When this is set we enforce them.
d61ff83b 542 */
36e79832 543# define SSL_CERT_FLAG_TLS_STRICT 0x00000001U
2ea80354
DSH		 544
545/* Suite B modes, takes same values as certificate verify flags */
0f113f3e 546# define SSL_CERT_FLAG_SUITEB_128_LOS_ONLY 0x10000
2ea80354 547/* Suite B 192 bit only mode */
0f113f3e 548# define SSL_CERT_FLAG_SUITEB_192_LOS 0x20000
2ea80354 549/* Suite B 128 bit mode allowing 192 bit algorithms */
0f113f3e 550# define SSL_CERT_FLAG_SUITEB_128_LOS 0x30000
2ea80354 551
ed83ba53 552/* Perform all sorts of protocol violations for testing purposes */
0f113f3e 553# define SSL_CERT_FLAG_BROKEN_PROTOCOL 0x10000000
d61ff83b 554
74ecfab4
DSH		 555/* Flags for building certificate chains */
556/* Treat any existing certificates as untrusted CAs */
0f113f3e 557# define SSL_BUILD_CHAIN_FLAG_UNTRUSTED 0x1
024e6fed 558/* Don't include root CA in chain */
0f113f3e 559# define SSL_BUILD_CHAIN_FLAG_NO_ROOT 0x2
13dc3ce9 560/* Just check certificates already there */
0f113f3e 561# define SSL_BUILD_CHAIN_FLAG_CHECK 0x4
13dc3ce9 562/* Ignore verification errors */
0f113f3e 563# define SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR 0x8
e970f63d 564/* Clear verification errors from queue */
0f113f3e 565# define SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR 0x10
74ecfab4 566
6dbb6219
DSH		 567/* Flags returned by SSL_check_chain */
568/* Certificate can be used with this session */
0f113f3e 569# define CERT_PKEY_VALID 0x1
6dbb6219 570/* Certificate can also be used for signing */
0f113f3e 571# define CERT_PKEY_SIGN 0x2
6dbb6219 572/* EE certificate signing algorithm OK */
0f113f3e 573# define CERT_PKEY_EE_SIGNATURE 0x10
6dbb6219 574/* CA signature algorithms OK */
0f113f3e 575# define CERT_PKEY_CA_SIGNATURE 0x20
6dbb6219 576/* EE certificate parameters OK */
0f113f3e 577# define CERT_PKEY_EE_PARAM 0x40
6dbb6219 578/* CA certificate parameters OK */
0f113f3e 579# define CERT_PKEY_CA_PARAM 0x80
6dbb6219 580/* Signing explicitly allowed as opposed to SHA1 fallback */
0f113f3e 581# define CERT_PKEY_EXPLICIT_SIGN 0x100
6dbb6219 582/* Client CA issuer names match (always set for server cert) */
0f113f3e 583# define CERT_PKEY_ISSUER_NAME 0x200
6dbb6219 584/* Cert type matches client types (always set for server cert) */
0f113f3e 585# define CERT_PKEY_CERT_TYPE 0x400
2ea80354 586/* Cert chain suitable to Suite B */
0f113f3e
MC		 587# define CERT_PKEY_SUITEB 0x800
588
589# define SSL_CONF_FLAG_CMDLINE 0x1
590# define SSL_CONF_FLAG_FILE 0x2
591# define SSL_CONF_FLAG_CLIENT 0x4
592# define SSL_CONF_FLAG_SERVER 0x8
593# define SSL_CONF_FLAG_SHOW_ERRORS 0x10
594# define SSL_CONF_FLAG_CERTIFICATE 0x20
2011b169 595# define SSL_CONF_FLAG_REQUIRE_PRIVATE 0x40
ec2f7e56 596/* Configuration value types */
0f113f3e
MC		 597# define SSL_CONF_TYPE_UNKNOWN 0x0
598# define SSL_CONF_TYPE_STRING 0x1
599# define SSL_CONF_TYPE_FILE 0x2
600# define SSL_CONF_TYPE_DIR 0x3
656b2605 601# define SSL_CONF_TYPE_NONE 0x4
6dcb100f 602# define SSL_CONF_TYPE_STORE 0x5
0f113f3e 603
3fa2812f
BS		 604/* Maximum length of the application-controlled segment of a a TLSv1.3 cookie */
605# define SSL_COOKIE_LENGTH 4096
43054d3d 606
0f113f3e
MC		 607/*
608 * Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value, they
609 * cannot be used to clear bits.
610 */
611
8106cb8b 612unsigned long SSL_CTX_get_options(const SSL_CTX *ctx);
2f8271eb 613unsigned long SSL_get_options(const SSL *s);
8106cb8b
VD		 614unsigned long SSL_CTX_clear_options(SSL_CTX *ctx, unsigned long op);
615unsigned long SSL_clear_options(SSL *s, unsigned long op);
616unsigned long SSL_CTX_set_options(SSL_CTX *ctx, unsigned long op);
617unsigned long SSL_set_options(SSL *s, unsigned long op);
58964a49 618
0f113f3e
MC		 619# define SSL_CTX_set_mode(ctx,op) \
620 SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
621# define SSL_CTX_clear_mode(ctx,op) \
622 SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
623# define SSL_CTX_get_mode(ctx) \
624 SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
625# define SSL_clear_mode(ssl,op) \
626 SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
627# define SSL_set_mode(ssl,op) \
628 SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
629# define SSL_get_mode(ssl) \
a661b653 630 SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
0f113f3e 631# define SSL_set_mtu(ssl, mtu) \
36d16f8e 632 SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
0f113f3e 633# define DTLS_set_link_mtu(ssl, mtu) \
59669b6a 634 SSL_ctrl((ssl),DTLS_CTRL_SET_LINK_MTU,(mtu),NULL)
0f113f3e 635# define DTLS_get_link_min_mtu(ssl) \
59669b6a 636 SSL_ctrl((ssl),DTLS_CTRL_GET_LINK_MIN_MTU,0,NULL)
a661b653 637
0f113f3e
MC		 638# define SSL_get_secure_renegotiation_support(ssl) \
639 SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
a661b653 640
0f113f3e
MC		 641# define SSL_CTX_set_cert_flags(ctx,op) \
642 SSL_CTX_ctrl((ctx),SSL_CTRL_CERT_FLAGS,(op),NULL)
643# define SSL_set_cert_flags(s,op) \
644 SSL_ctrl((s),SSL_CTRL_CERT_FLAGS,(op),NULL)
645# define SSL_CTX_clear_cert_flags(ctx,op) \
646 SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
647# define SSL_clear_cert_flags(s,op) \
648 SSL_ctrl((s),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
649
650void SSL_CTX_set_msg_callback(SSL_CTX *ctx,
651 void (*cb) (int write_p, int version,
652 int content_type, const void *buf,
653 size_t len, SSL *ssl, void *arg));
654void SSL_set_msg_callback(SSL *ssl,
655 void (*cb) (int write_p, int version,
656 int content_type, const void *buf,
657 size_t len, SSL *ssl, void *arg));
658# define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
659# define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
660
c5364614
DSH		 661# define SSL_get_extms_support(s) \
662 SSL_ctrl((s),SSL_CTRL_GET_EXTMS_SUPPORT,0,NULL)
663
0f113f3e
MC		 664# ifndef OPENSSL_NO_SRP
665
edc032b5 666/* see tls_srp.c */
4bcdb4a6
MC		 667__owur int SSL_SRP_CTX_init(SSL *s);
668__owur int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx);
edc032b5
BL		 669int SSL_SRP_CTX_free(SSL *ctx);
670int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx);
4bcdb4a6 671__owur int SSL_srp_server_param_with_username(SSL *s, int *ad);
4bcdb4a6 672__owur int SRP_Calc_A_param(SSL *s);
edc032b5 673
0f113f3e 674# endif
d02b48c6 675
a7e7bad1
DSH		 676/* 100k max cert list */
677# define SSL_MAX_CERT_LIST_DEFAULT 1024*100
c0f5dd07 678
0f113f3e
MC		 679# define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT (1024*20)
680
681/*
682 * This callback type is used inside SSL_CTX, SSL, and in the functions that
683 * set them. It is used to override the generation of SSL/TLS session IDs in
684 * a server. Return value should be zero on an error, non-zero to proceed.
685 * Also, callbacks should themselves check if the id they generate is unique
686 * otherwise the SSL handshake will fail with an error - callbacks can do
687 * this using the 'ssl' value they're passed by;
688 * SSL_has_matching_session_id(ssl, id, *id_len) The length value passed in
689 * is set at the maximum size the session ID can be. In SSLv3/TLSv1 it is 32
690 * bytes. The callback can alter this length to be less if desired. It is
691 * also an error for the callback to set the size to zero.
692 */
ae3947de 693typedef int (*GEN_SESSION_CB) (SSL *ssl, unsigned char *id,
0f113f3e 694 unsigned int *id_len);
dc644fe2 695
0f113f3e
MC		 696# define SSL_SESS_CACHE_OFF 0x0000
697# define SSL_SESS_CACHE_CLIENT 0x0001
698# define SSL_SESS_CACHE_SERVER 0x0002
699# define SSL_SESS_CACHE_BOTH (SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER)
700# define SSL_SESS_CACHE_NO_AUTO_CLEAR 0x0080
e0db2eed 701/* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
0f113f3e
MC		 702# define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP 0x0100
703# define SSL_SESS_CACHE_NO_INTERNAL_STORE 0x0200
704# define SSL_SESS_CACHE_NO_INTERNAL \
705 (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE)
d02b48c6 706
3c1d6bbc 707LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx);
0f113f3e
MC		 708# define SSL_CTX_sess_number(ctx) \
709 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
710# define SSL_CTX_sess_connect(ctx) \
711 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
712# define SSL_CTX_sess_connect_good(ctx) \
713 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
714# define SSL_CTX_sess_connect_renegotiate(ctx) \
715 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
716# define SSL_CTX_sess_accept(ctx) \
717 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
718# define SSL_CTX_sess_accept_renegotiate(ctx) \
719 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
720# define SSL_CTX_sess_accept_good(ctx) \
721 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
722# define SSL_CTX_sess_hits(ctx) \
723 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
724# define SSL_CTX_sess_cb_hits(ctx) \
725 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
726# define SSL_CTX_sess_misses(ctx) \
727 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
728# define SSL_CTX_sess_timeouts(ctx) \
729 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
730# define SSL_CTX_sess_cache_full(ctx) \
731 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
732
733void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
734 int (*new_session_cb) (struct ssl_st *ssl,
735 SSL_SESSION *sess));
736int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx)) (struct ssl_st *ssl,
737 SSL_SESSION *sess);
738void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
739 void (*remove_session_cb) (struct ssl_ctx_st
740 *ctx,
2f8271eb 741 SSL_SESSION *sess));
0f113f3e
MC		 742void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx)) (struct ssl_ctx_st *ctx,
743 SSL_SESSION *sess);
744void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
745 SSL_SESSION *(*get_session_cb) (struct ssl_st
746 *ssl,
b6981744 747 const unsigned char
0f113f3e
MC		 748 *data, int len,
749 int *copy));
750SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx)) (struct ssl_st *ssl,
b6981744 751 const unsigned char *data,
0f113f3e
MC		 752 int len, int *copy);
753void SSL_CTX_set_info_callback(SSL_CTX *ctx,
2f8271eb 754 void (*cb) (const SSL *ssl, int type, int val));
0f113f3e
MC		 755void (*SSL_CTX_get_info_callback(SSL_CTX *ctx)) (const SSL *ssl, int type,
756 int val);
757void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
758 int (*client_cert_cb) (SSL *ssl, X509 **x509,
759 EVP_PKEY **pkey));
760int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx)) (SSL *ssl, X509 **x509,
761 EVP_PKEY **pkey);
762# ifndef OPENSSL_NO_ENGINE
4bcdb4a6 763__owur int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e);
0f113f3e
MC		 764# endif
765void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
766 int (*app_gen_cookie_cb) (SSL *ssl,
767 unsigned char
768 *cookie,
769 unsigned int
770 *cookie_len));
771void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
772 int (*app_verify_cookie_cb) (SSL *ssl,
2f8271eb
F		 773 const unsigned
774 char *cookie,
0f113f3e
MC		 775 unsigned int
776 cookie_len));
3fa2812f
BS		 777
778void SSL_CTX_set_stateless_cookie_generate_cb(
779 SSL_CTX *ctx,
780 int (*gen_stateless_cookie_cb) (SSL *ssl,
781 unsigned char *cookie,
782 size_t *cookie_len));
783void SSL_CTX_set_stateless_cookie_verify_cb(
784 SSL_CTX *ctx,
785 int (*verify_stateless_cookie_cb) (SSL *ssl,
786 const unsigned char *cookie,
787 size_t cookie_len));
0f113f3e 788# ifndef OPENSSL_NO_NEXTPROTONEG
8cbfcc70
RS		 789
790typedef int (*SSL_CTX_npn_advertised_cb_func)(SSL *ssl,
791 const unsigned char **out,
792 unsigned int *outlen,
793 void *arg);
ee2ffc27 794void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s,
2f8271eb
F		 795 SSL_CTX_npn_advertised_cb_func cb,
796 void *arg);
8cbfcc70
RS		 797# define SSL_CTX_set_npn_advertised_cb SSL_CTX_set_next_protos_advertised_cb
798
799typedef int (*SSL_CTX_npn_select_cb_func)(SSL *s,
800 unsigned char **out,
801 unsigned char *outlen,
802 const unsigned char *in,
803 unsigned int inlen,
804 void *arg);
ee2ffc27 805void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s,
8cbfcc70 806 SSL_CTX_npn_select_cb_func cb,
aff8c126 807 void *arg);
8cbfcc70
RS		 808# define SSL_CTX_set_npn_select_cb SSL_CTX_set_next_proto_select_cb
809
2911575c 810void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data,
0f113f3e 811 unsigned *len);
8cbfcc70 812# define SSL_get0_npn_negotiated SSL_get0_next_proto_negotiated
0f113f3e 813# endif
ee2ffc27 814
4bcdb4a6 815__owur int SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
2f8271eb
F		 816 const unsigned char *in, unsigned int inlen,
817 const unsigned char *client,
818 unsigned int client_len);
ee2ffc27 819
0f113f3e
MC		 820# define OPENSSL_NPN_UNSUPPORTED 0
821# define OPENSSL_NPN_NEGOTIATED 1
822# define OPENSSL_NPN_NO_OVERLAP 2
823
4bcdb4a6 824__owur int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos,
817cd0d5 825 unsigned int protos_len);
4bcdb4a6 826__owur int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos,
817cd0d5 827 unsigned int protos_len);
8cbfcc70 828typedef int (*SSL_CTX_alpn_select_cb_func)(SSL *ssl,
0f113f3e
MC		 829 const unsigned char **out,
830 unsigned char *outlen,
831 const unsigned char *in,
832 unsigned int inlen,
8cbfcc70
RS		 833 void *arg);
834void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
835 SSL_CTX_alpn_select_cb_func cb,
836 void *arg);
6f017a8f 837void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
817cd0d5 838 unsigned int *len);
0f113f3e
MC		 839
840# ifndef OPENSSL_NO_PSK
841/*
842 * the maximum length of the buffer given to callbacks containing the
843 * resulting identity/psk
844 */
845# define PSK_MAX_IDENTITY_LEN 128
846# define PSK_MAX_PSK_LEN 256
8cbfcc70
RS		 847typedef unsigned int (*SSL_psk_client_cb_func)(SSL *ssl,
848 const char *hint,
849 char *identity,
850 unsigned int max_identity_len,
851 unsigned char *psk,
852 unsigned int max_psk_len);
853void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb);
854void SSL_set_psk_client_callback(SSL *ssl, SSL_psk_client_cb_func cb);
855
856typedef unsigned int (*SSL_psk_server_cb_func)(SSL *ssl,
857 const char *identity,
858 unsigned char *psk,
859 unsigned int max_psk_len);
860void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb);
861void SSL_set_psk_server_callback(SSL *ssl, SSL_psk_server_cb_func cb);
862
4bcdb4a6
MC		 863__owur int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint);
864__owur int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint);
ddac1974
NL		 865const char *SSL_get_psk_identity_hint(const SSL *s);
866const char *SSL_get_psk_identity(const SSL *s);
0f113f3e 867# endif
ddac1974 868
14e35350
MC		 869typedef int (*SSL_psk_find_session_cb_func)(SSL *ssl,
870 const unsigned char *identity,
871 size_t identity_len,
872 SSL_SESSION **sess);
873typedef int (*SSL_psk_use_session_cb_func)(SSL *ssl, const EVP_MD *md,
874 const unsigned char **id,
875 size_t *idlen,
876 SSL_SESSION **sess);
877
f46184bd
MC		 878void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb);
879void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx,
880 SSL_psk_find_session_cb_func cb);
881void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb);
882void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx,
801d9fbd 883 SSL_psk_use_session_cb_func cb);
f46184bd 884
33f653ad
DSH		 885/* Register callbacks to handle custom TLS Extensions for client or server. */
886
ed29e82a
RP		 887__owur int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx,
888 unsigned int ext_type);
889
2f8271eb
F		 890__owur int SSL_CTX_add_client_custom_ext(SSL_CTX *ctx,
891 unsigned int ext_type,
892 custom_ext_add_cb add_cb,
893 custom_ext_free_cb free_cb,
894 void *add_arg,
895 custom_ext_parse_cb parse_cb,
896 void *parse_arg);
897
898__owur int SSL_CTX_add_server_custom_ext(SSL_CTX *ctx,
899 unsigned int ext_type,
900 custom_ext_add_cb add_cb,
901 custom_ext_free_cb free_cb,
902 void *add_arg,
903 custom_ext_parse_cb parse_cb,
904 void *parse_arg);
c846a5f5 905
43ae5eed
MC		 906__owur int SSL_CTX_add_custom_ext(SSL_CTX *ctx, unsigned int ext_type,
907 unsigned int context,
cd17bb19
MC		 908 SSL_custom_ext_add_cb_ex add_cb,
909 SSL_custom_ext_free_cb_ex free_cb,
43ae5eed 910 void *add_arg,
cd17bb19 911 SSL_custom_ext_parse_cb_ex parse_cb,
43ae5eed
MC		 912 void *parse_arg);
913
4bcdb4a6 914__owur int SSL_extension_supported(unsigned int ext_type);
c846a5f5 915
07bbc92c
MC		 916# define SSL_NOTHING 1
917# define SSL_WRITING 2
918# define SSL_READING 3
919# define SSL_X509_LOOKUP 4
920# define SSL_ASYNC_PAUSED 5
fc7f190c 921# define SSL_ASYNC_NO_JOBS 6
a9c0d8be 922# define SSL_CLIENT_HELLO_CB 7
d02b48c6
RE		 923
924/* These will only be used when doing non-blocking IO */
a9c0d8be
DB		 925# define SSL_want_nothing(s) (SSL_want(s) == SSL_NOTHING)
926# define SSL_want_read(s) (SSL_want(s) == SSL_READING)
927# define SSL_want_write(s) (SSL_want(s) == SSL_WRITING)
928# define SSL_want_x509_lookup(s) (SSL_want(s) == SSL_X509_LOOKUP)
929# define SSL_want_async(s) (SSL_want(s) == SSL_ASYNC_PAUSED)
930# define SSL_want_async_job(s) (SSL_want(s) == SSL_ASYNC_NO_JOBS)
931# define SSL_want_client_hello_cb(s) (SSL_want(s) == SSL_CLIENT_HELLO_CB)
d02b48c6 932
0f113f3e
MC		 933# define SSL_MAC_FLAG_READ_MAC_STREAM 1
934# define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
08557cf2 935
2faa1b48
CB		 936/*
937 * A callback for logging out TLS key material. This callback should log out
938 * |line| followed by a newline.
939 */
940typedef void (*SSL_CTX_keylog_cb_func)(const SSL *ssl, const char *line);
941
942/*
943 * SSL_CTX_set_keylog_callback configures a callback to log key material. This
944 * is intended for debugging use with tools like Wireshark. The cb function
945 * should log line followed by a newline.
946 */
947void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb);
948
949/*
950 * SSL_CTX_get_keylog_callback returns the callback configured by
951 * SSL_CTX_set_keylog_callback.
952 */
953SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx);
954
3fc8d856 955int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data);
46dcb945 956uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx);
3fc8d856 957int SSL_set_max_early_data(SSL *s, uint32_t max_early_data);
a8e75d56 958uint32_t SSL_get_max_early_data(const SSL *s);
4e8548e8
MC		 959int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data);
960uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx);
961int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data);
962uint32_t SSL_get_recv_max_early_data(const SSL *s);
3fc8d856 963
82271cee
RL		 964#ifdef __cplusplus
965}
966#endif
967
0f113f3e
MC		 968# include <openssl/ssl2.h>
969# include <openssl/ssl3.h>
970# include <openssl/tls1.h> /* This is mostly sslv3 with a few tweaks */
971# include <openssl/dtls1.h> /* Datagram TLS */
0f113f3e 972# include <openssl/srtp.h> /* Support for the use_srtp extension */
d02b48c6 973
82271cee
RL		 974#ifdef __cplusplus
975extern "C" {
976#endif
977
b32166b4
MC		 978/*
979 * These need to be after the above set of includes due to a compiler bug
980 * in VisualStudio 2015
981 */
982DEFINE_STACK_OF_CONST(SSL_CIPHER)
983DEFINE_STACK_OF(SSL_COMP)
984
657e60fa 985/* compatibility */
37659ea4 986# define SSL_set_app_data(s,arg) (SSL_set_ex_data(s,0,(char *)(arg)))
0f113f3e 987# define SSL_get_app_data(s) (SSL_get_ex_data(s,0))
37659ea4
BE		 988# define SSL_SESSION_set_app_data(s,a) (SSL_SESSION_set_ex_data(s,0, \
989 (char *)(a)))
0f113f3e
MC		 990# define SSL_SESSION_get_app_data(s) (SSL_SESSION_get_ex_data(s,0))
991# define SSL_CTX_get_app_data(ctx) (SSL_CTX_get_ex_data(ctx,0))
37659ea4
BE		 992# define SSL_CTX_set_app_data(ctx,arg) (SSL_CTX_set_ex_data(ctx,0, \
993 (char *)(arg)))
47153c72 994DEPRECATEDIN_1_1_0(void SSL_set_debug(SSL *s, int debug))
0f113f3e 995
44c04a2e 996/* TLSv1.3 KeyUpdate message types */
4fbfe86a
MC		 997/* -1 used so that this is an invalid value for the on-the-wire protocol */
998#define SSL_KEY_UPDATE_NONE -1
999/* Values as defined for the on-the-wire protocol */
1000#define SSL_KEY_UPDATE_NOT_REQUESTED 0
1001#define SSL_KEY_UPDATE_REQUESTED 1
49ae7423
MC		 1002
1003/*
1004 * The valid handshake states (one for each type message sent and one for each
1005 * type of message received). There are also two "special" states:
1006 * TLS = TLS or DTLS state
1007 * DTLS = DTLS specific state
1008 * CR/SR = Client Read/Server Read
1009 * CW/SW = Client Write/Server Write
1010 *
1011 * The "special" states are:
1012 * TLS_ST_BEFORE = No handshake has been initiated yet
1013 * TLS_ST_OK = A handshake has been successfully completed
1014 */
35bf6e05 1015typedef enum {
49ae7423
MC		 1016 TLS_ST_BEFORE,
1017 TLS_ST_OK,
1018 DTLS_ST_CR_HELLO_VERIFY_REQUEST,
1019 TLS_ST_CR_SRVR_HELLO,
1020 TLS_ST_CR_CERT,
1021 TLS_ST_CR_CERT_STATUS,
1022 TLS_ST_CR_KEY_EXCH,
1023 TLS_ST_CR_CERT_REQ,
1024 TLS_ST_CR_SRVR_DONE,
1025 TLS_ST_CR_SESSION_TICKET,
1026 TLS_ST_CR_CHANGE,
1027 TLS_ST_CR_FINISHED,
1028 TLS_ST_CW_CLNT_HELLO,
1029 TLS_ST_CW_CERT,
1030 TLS_ST_CW_KEY_EXCH,
1031 TLS_ST_CW_CERT_VRFY,
1032 TLS_ST_CW_CHANGE,
1033 TLS_ST_CW_NEXT_PROTO,
1034 TLS_ST_CW_FINISHED,
1035 TLS_ST_SW_HELLO_REQ,
1036 TLS_ST_SR_CLNT_HELLO,
1037 DTLS_ST_SW_HELLO_VERIFY_REQUEST,
1038 TLS_ST_SW_SRVR_HELLO,
1039 TLS_ST_SW_CERT,
1040 TLS_ST_SW_KEY_EXCH,
1041 TLS_ST_SW_CERT_REQ,
1042 TLS_ST_SW_SRVR_DONE,
1043 TLS_ST_SR_CERT,
1044 TLS_ST_SR_KEY_EXCH,
1045 TLS_ST_SR_CERT_VRFY,
1046 TLS_ST_SR_NEXT_PROTO,
1047 TLS_ST_SR_CHANGE,
1048 TLS_ST_SR_FINISHED,
1049 TLS_ST_SW_SESSION_TICKET,
1050 TLS_ST_SW_CERT_STATUS,
1051 TLS_ST_SW_CHANGE,
e46f2334
MC		 1052 TLS_ST_SW_FINISHED,
1053 TLS_ST_SW_ENCRYPTED_EXTENSIONS,
2c5dfdc3
MC		 1054 TLS_ST_CR_ENCRYPTED_EXTENSIONS,
1055 TLS_ST_CR_CERT_VRFY,
c7f47786 1056 TLS_ST_SW_CERT_VRFY,
7d061fce 1057 TLS_ST_CR_HELLO_REQ,
44c04a2e 1058 TLS_ST_SW_KEY_UPDATE,
e1c3de44
MC		 1059 TLS_ST_CW_KEY_UPDATE,
1060 TLS_ST_SR_KEY_UPDATE,
4004ce5f 1061 TLS_ST_CR_KEY_UPDATE,
d7f8783f 1062 TLS_ST_EARLY_DATA,
ef6c191b
MC		 1063 TLS_ST_PENDING_EARLY_DATA_END,
1064 TLS_ST_CW_END_OF_EARLY_DATA,
1065 TLS_ST_SR_END_OF_EARLY_DATA
35bf6e05 1066} OSSL_HANDSHAKE_STATE;
49ae7423 1067
0f113f3e 1068/*
c64359db
MC		 1069 * Most of the following state values are no longer used and are defined to be
1070 * the closest equivalent value in the current state machine code. Not all
1071 * defines have an equivalent and are set to a dummy value (-1). SSL_ST_CONNECT
1072 * and SSL_ST_ACCEPT are still in use in the definition of SSL_CB_ACCEPT_LOOP,
1073 * SSL_CB_ACCEPT_EXIT, SSL_CB_CONNECT_LOOP and SSL_CB_CONNECT_EXIT.
0f113f3e
MC		 1074 */
1075
1076# define SSL_ST_CONNECT 0x1000
1077# define SSL_ST_ACCEPT 0x2000
c64359db 1078
0f113f3e 1079# define SSL_ST_MASK 0x0FFF
0f113f3e
MC		 1080
1081# define SSL_CB_LOOP 0x01
1082# define SSL_CB_EXIT 0x02
1083# define SSL_CB_READ 0x04
1084# define SSL_CB_WRITE 0x08
1085# define SSL_CB_ALERT 0x4000/* used in callback */
1086# define SSL_CB_READ_ALERT (SSL_CB_ALERT|SSL_CB_READ)
1087# define SSL_CB_WRITE_ALERT (SSL_CB_ALERT|SSL_CB_WRITE)
1088# define SSL_CB_ACCEPT_LOOP (SSL_ST_ACCEPT|SSL_CB_LOOP)
1089# define SSL_CB_ACCEPT_EXIT (SSL_ST_ACCEPT|SSL_CB_EXIT)
1090# define SSL_CB_CONNECT_LOOP (SSL_ST_CONNECT|SSL_CB_LOOP)
1091# define SSL_CB_CONNECT_EXIT (SSL_ST_CONNECT|SSL_CB_EXIT)
1092# define SSL_CB_HANDSHAKE_START 0x10
1093# define SSL_CB_HANDSHAKE_DONE 0x20
d02b48c6
RE		 1094
1095/* Is the SSL_connection established? */
7c8b5357
MC		 1096# define SSL_in_connect_init(a) (SSL_in_init(a) && !SSL_is_server(a))
1097# define SSL_in_accept_init(a) (SSL_in_init(a) && SSL_is_server(a))
4cc968df
BK		 1098int SSL_in_init(const SSL *s);
1099int SSL_in_before(const SSL *s);
1100int SSL_is_init_finished(const SSL *s);
0f113f3e
MC		 1101
1102/*
295c3f41
MC		 1103 * The following 3 states are kept in ssl->rlayer.rstate when reads fail, you
1104 * should not need these
0f113f3e
MC		 1105 */
1106# define SSL_ST_READ_HEADER 0xF0
1107# define SSL_ST_READ_BODY 0xF1
1108# define SSL_ST_READ_DONE 0xF2
d02b48c6 1109
c80fd6b2
MC		 1110/*-
1111 * Obtain latest Finished message
ca03109c
BM		 1112 * -- that we sent (SSL_get_finished)
1113 * -- that we expected from peer (SSL_get_peer_finished).
c80fd6b2
MC		 1114 * Returns length (0 == no Finished so far), copies up to 'count' bytes.
1115 */
0821bcd4
BL		 1116size_t SSL_get_finished(const SSL *s, void *buf, size_t count);
1117size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count);
ca03109c 1118
0f113f3e 1119/*
9d75dce3 1120 * use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 3 options are
0f113f3e
MC		 1121 * 'ored' with SSL_VERIFY_PEER if they are desired
1122 */
1123# define SSL_VERIFY_NONE 0x00
1124# define SSL_VERIFY_PEER 0x01
1125# define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02
1126# define SSL_VERIFY_CLIENT_ONCE 0x04
9d75dce3 1127# define SSL_VERIFY_POST_HANDSHAKE 0x08
d02b48c6 1128
00db8c60 1129# ifndef OPENSSL_NO_DEPRECATED_1_1_0
71419442 1130# define OpenSSL_add_ssl_algorithms() SSL_library_init()
92862382
VD		 1131# define SSLeay_add_ssl_algorithms() SSL_library_init()
1132# endif
413c4f45 1133
657e60fa 1134/* More backward compatibility */
0f113f3e
MC		 1135# define SSL_get_cipher(s) \
1136 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1137# define SSL_get_cipher_bits(s,np) \
1138 SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
1139# define SSL_get_cipher_version(s) \
1140 SSL_CIPHER_get_version(SSL_get_current_cipher(s))
1141# define SSL_get_cipher_name(s) \
1142 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1143# define SSL_get_time(a) SSL_SESSION_get_time(a)
1144# define SSL_set_time(a,b) SSL_SESSION_set_time((a),(b))
1145# define SSL_get_timeout(a) SSL_SESSION_get_timeout(a)
1146# define SSL_set_timeout(a,b) SSL_SESSION_set_timeout((a),(b))
1147
1148# define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
1149# define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
3c07d3a3
DSH		 1150
1151DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION)
0f113f3e
MC		 1152# define SSL_AD_REASON_OFFSET 1000/* offset to get SSL_R_... value
1153 * from SSL_AD_... */
58964a49 1154/* These alert types are for SSLv3 and TLSv1 */
0f113f3e 1155# define SSL_AD_CLOSE_NOTIFY SSL3_AD_CLOSE_NOTIFY
68d39f3c 1156/* fatal */
0f113f3e 1157# define SSL_AD_UNEXPECTED_MESSAGE SSL3_AD_UNEXPECTED_MESSAGE
68d39f3c 1158/* fatal */
0f113f3e
MC		 1159# define SSL_AD_BAD_RECORD_MAC SSL3_AD_BAD_RECORD_MAC
1160# define SSL_AD_DECRYPTION_FAILED TLS1_AD_DECRYPTION_FAILED
1161# define SSL_AD_RECORD_OVERFLOW TLS1_AD_RECORD_OVERFLOW
68d39f3c 1162/* fatal */
0f113f3e 1163# define SSL_AD_DECOMPRESSION_FAILURE SSL3_AD_DECOMPRESSION_FAILURE
68d39f3c 1164/* fatal */
0f113f3e 1165# define SSL_AD_HANDSHAKE_FAILURE SSL3_AD_HANDSHAKE_FAILURE
68d39f3c 1166/* Not for TLS */
0f113f3e
MC		 1167# define SSL_AD_NO_CERTIFICATE SSL3_AD_NO_CERTIFICATE
1168# define SSL_AD_BAD_CERTIFICATE SSL3_AD_BAD_CERTIFICATE
1169# define SSL_AD_UNSUPPORTED_CERTIFICATE SSL3_AD_UNSUPPORTED_CERTIFICATE
1170# define SSL_AD_CERTIFICATE_REVOKED SSL3_AD_CERTIFICATE_REVOKED
1171# define SSL_AD_CERTIFICATE_EXPIRED SSL3_AD_CERTIFICATE_EXPIRED
1172# define SSL_AD_CERTIFICATE_UNKNOWN SSL3_AD_CERTIFICATE_UNKNOWN
68d39f3c 1173/* fatal */
0f113f3e 1174# define SSL_AD_ILLEGAL_PARAMETER SSL3_AD_ILLEGAL_PARAMETER
68d39f3c 1175/* fatal */
0f113f3e 1176# define SSL_AD_UNKNOWN_CA TLS1_AD_UNKNOWN_CA
68d39f3c 1177/* fatal */
0f113f3e 1178# define SSL_AD_ACCESS_DENIED TLS1_AD_ACCESS_DENIED
68d39f3c 1179/* fatal */
0f113f3e
MC		 1180# define SSL_AD_DECODE_ERROR TLS1_AD_DECODE_ERROR
1181# define SSL_AD_DECRYPT_ERROR TLS1_AD_DECRYPT_ERROR
68d39f3c 1182/* fatal */
0f113f3e 1183# define SSL_AD_EXPORT_RESTRICTION TLS1_AD_EXPORT_RESTRICTION
68d39f3c 1184/* fatal */
0f113f3e 1185# define SSL_AD_PROTOCOL_VERSION TLS1_AD_PROTOCOL_VERSION
68d39f3c 1186/* fatal */
0f113f3e 1187# define SSL_AD_INSUFFICIENT_SECURITY TLS1_AD_INSUFFICIENT_SECURITY
68d39f3c 1188/* fatal */
0f113f3e
MC		 1189# define SSL_AD_INTERNAL_ERROR TLS1_AD_INTERNAL_ERROR
1190# define SSL_AD_USER_CANCELLED TLS1_AD_USER_CANCELLED
1191# define SSL_AD_NO_RENEGOTIATION TLS1_AD_NO_RENEGOTIATION
04904312 1192# define SSL_AD_MISSING_EXTENSION TLS13_AD_MISSING_EXTENSION
42c28b63 1193# define SSL_AD_CERTIFICATE_REQUIRED TLS13_AD_CERTIFICATE_REQUIRED
0f113f3e
MC		 1194# define SSL_AD_UNSUPPORTED_EXTENSION TLS1_AD_UNSUPPORTED_EXTENSION
1195# define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE
1196# define SSL_AD_UNRECOGNIZED_NAME TLS1_AD_UNRECOGNIZED_NAME
1197# define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
1198# define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
68d39f3c 1199/* fatal */
0f113f3e 1200# define SSL_AD_UNKNOWN_PSK_IDENTITY TLS1_AD_UNKNOWN_PSK_IDENTITY
68d39f3c 1201/* fatal */
0f113f3e 1202# define SSL_AD_INAPPROPRIATE_FALLBACK TLS1_AD_INAPPROPRIATE_FALLBACK
06217867 1203# define SSL_AD_NO_APPLICATION_PROTOCOL TLS1_AD_NO_APPLICATION_PROTOCOL
0f113f3e
MC		 1204# define SSL_ERROR_NONE 0
1205# define SSL_ERROR_SSL 1
1206# define SSL_ERROR_WANT_READ 2
1207# define SSL_ERROR_WANT_WRITE 3
1208# define SSL_ERROR_WANT_X509_LOOKUP 4
1209# define SSL_ERROR_SYSCALL 5/* look at error stack/return
1210 * value/errno */
1211# define SSL_ERROR_ZERO_RETURN 6
1212# define SSL_ERROR_WANT_CONNECT 7
1213# define SSL_ERROR_WANT_ACCEPT 8
07bbc92c 1214# define SSL_ERROR_WANT_ASYNC 9
fc7f190c 1215# define SSL_ERROR_WANT_ASYNC_JOB 10
a9c0d8be 1216# define SSL_ERROR_WANT_CLIENT_HELLO_CB 11
0f113f3e
MC		 1217# define SSL_CTRL_SET_TMP_DH 3
1218# define SSL_CTRL_SET_TMP_ECDH 4
0f113f3e 1219# define SSL_CTRL_SET_TMP_DH_CB 6
0f113f3e
MC		 1220# define SSL_CTRL_GET_CLIENT_CERT_REQUEST 9
1221# define SSL_CTRL_GET_NUM_RENEGOTIATIONS 10
1222# define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS 11
1223# define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS 12
1224# define SSL_CTRL_GET_FLAGS 13
1225# define SSL_CTRL_EXTRA_CHAIN_CERT 14
1226# define SSL_CTRL_SET_MSG_CALLBACK 15
1227# define SSL_CTRL_SET_MSG_CALLBACK_ARG 16
36d16f8e 1228/* only applies to datagram connections */
0f113f3e 1229# define SSL_CTRL_SET_MTU 17
413c4f45 1230/* Stats */
0f113f3e
MC		 1231# define SSL_CTRL_SESS_NUMBER 20
1232# define SSL_CTRL_SESS_CONNECT 21
1233# define SSL_CTRL_SESS_CONNECT_GOOD 22
1234# define SSL_CTRL_SESS_CONNECT_RENEGOTIATE 23
1235# define SSL_CTRL_SESS_ACCEPT 24
1236# define SSL_CTRL_SESS_ACCEPT_GOOD 25
1237# define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE 26
1238# define SSL_CTRL_SESS_HIT 27
1239# define SSL_CTRL_SESS_CB_HIT 28
1240# define SSL_CTRL_SESS_MISSES 29
1241# define SSL_CTRL_SESS_TIMEOUTS 30
1242# define SSL_CTRL_SESS_CACHE_FULL 31
0f113f3e
MC		 1243# define SSL_CTRL_MODE 33
1244# define SSL_CTRL_GET_READ_AHEAD 40
1245# define SSL_CTRL_SET_READ_AHEAD 41
1246# define SSL_CTRL_SET_SESS_CACHE_SIZE 42
1247# define SSL_CTRL_GET_SESS_CACHE_SIZE 43
1248# define SSL_CTRL_SET_SESS_CACHE_MODE 44
1249# define SSL_CTRL_GET_SESS_CACHE_MODE 45
1250# define SSL_CTRL_GET_MAX_CERT_LIST 50
1251# define SSL_CTRL_SET_MAX_CERT_LIST 51
1252# define SSL_CTRL_SET_MAX_SEND_FRAGMENT 52
a13c20f6 1253/* see tls1.h for macros based on these */
e481f9b9
MC		 1254# define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB 53
1255# define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG 54
1256# define SSL_CTRL_SET_TLSEXT_HOSTNAME 55
1257# define SSL_CTRL_SET_TLSEXT_DEBUG_CB 56
1258# define SSL_CTRL_SET_TLSEXT_DEBUG_ARG 57
1259# define SSL_CTRL_GET_TLSEXT_TICKET_KEYS 58
1260# define SSL_CTRL_SET_TLSEXT_TICKET_KEYS 59
1261/*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT 60 */
1262/*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB 61 */
1263/*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB_ARG 62 */
1264# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB 63
1265# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG 64
1266# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE 65
1267# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS 66
1268# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS 67
1269# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS 68
1270# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS 69
1271# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP 70
1272# define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP 71
a76ce286
P		 1273# ifndef OPENSSL_NO_DEPRECATED_3_0
1274# define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB 72
1275# endif
e481f9b9
MC		 1276# define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB 75
1277# define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB 76
1278# define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB 77
1279# define SSL_CTRL_SET_SRP_ARG 78
1280# define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME 79
1281# define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH 80
1282# define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD 81
0f113f3e
MC		 1283# define DTLS_CTRL_GET_TIMEOUT 73
1284# define DTLS_CTRL_HANDLE_TIMEOUT 74
0f113f3e 1285# define SSL_CTRL_GET_RI_SUPPORT 76
0f113f3e
MC		 1286# define SSL_CTRL_CLEAR_MODE 78
1287# define SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB 79
1288# define SSL_CTRL_GET_EXTRA_CHAIN_CERTS 82
1289# define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS 83
1290# define SSL_CTRL_CHAIN 88
1291# define SSL_CTRL_CHAIN_CERT 89
de4d764e
MC		 1292# define SSL_CTRL_GET_GROUPS 90
1293# define SSL_CTRL_SET_GROUPS 91
1294# define SSL_CTRL_SET_GROUPS_LIST 92
1295# define SSL_CTRL_GET_SHARED_GROUP 93
0f113f3e
MC		 1296# define SSL_CTRL_SET_SIGALGS 97
1297# define SSL_CTRL_SET_SIGALGS_LIST 98
1298# define SSL_CTRL_CERT_FLAGS 99
1299# define SSL_CTRL_CLEAR_CERT_FLAGS 100
1300# define SSL_CTRL_SET_CLIENT_SIGALGS 101
1301# define SSL_CTRL_SET_CLIENT_SIGALGS_LIST 102
1302# define SSL_CTRL_GET_CLIENT_CERT_TYPES 103
1303# define SSL_CTRL_SET_CLIENT_CERT_TYPES 104
1304# define SSL_CTRL_BUILD_CERT_CHAIN 105
1305# define SSL_CTRL_SET_VERIFY_CERT_STORE 106
1306# define SSL_CTRL_SET_CHAIN_CERT_STORE 107
1307# define SSL_CTRL_GET_PEER_SIGNATURE_NID 108
a51c9f63 1308# define SSL_CTRL_GET_PEER_TMP_KEY 109
0f113f3e
MC		 1309# define SSL_CTRL_GET_RAW_CIPHERLIST 110
1310# define SSL_CTRL_GET_EC_POINT_FORMATS 111
1311# define SSL_CTRL_GET_CHAIN_CERTS 115
1312# define SSL_CTRL_SELECT_CURRENT_CERT 116
1313# define SSL_CTRL_SET_CURRENT_CERT 117
1314# define SSL_CTRL_SET_DH_AUTO 118
0f113f3e
MC		 1315# define DTLS_CTRL_SET_LINK_MTU 120
1316# define DTLS_CTRL_GET_LINK_MIN_MTU 121
c5364614 1317# define SSL_CTRL_GET_EXTMS_SUPPORT 122
7946ab33
KR		 1318# define SSL_CTRL_SET_MIN_PROTO_VERSION 123
1319# define SSL_CTRL_SET_MAX_PROTO_VERSION 124
d102d9df
MC		 1320# define SSL_CTRL_SET_SPLIT_SEND_FRAGMENT 125
1321# define SSL_CTRL_SET_MAX_PIPELINES 126
4300aaf3 1322# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE 127
fddfc0af
RG		 1323# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB 128
1324# define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG 129
3edabd3c
CH		 1325# define SSL_CTRL_GET_MIN_PROTO_VERSION 130
1326# define SSL_CTRL_GET_MAX_PROTO_VERSION 131
a51c9f63
VD		 1327# define SSL_CTRL_GET_SIGNATURE_NID 132
1328# define SSL_CTRL_GET_TMP_KEY 133
84d4b9e3 1329# define SSL_CTRL_GET_NEGOTIATED_GROUP 134
0f113f3e
MC		 1330# define SSL_CERT_SET_FIRST 1
1331# define SSL_CERT_SET_NEXT 2
1332# define SSL_CERT_SET_SERVER 3
1333# define DTLSv1_get_timeout(ssl, arg) \
37659ea4 1334 SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)(arg))
0f113f3e
MC		 1335# define DTLSv1_handle_timeout(ssl) \
1336 SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
0f113f3e
MC		 1337# define SSL_num_renegotiations(ssl) \
1338 SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1339# define SSL_clear_num_renegotiations(ssl) \
1340 SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1341# define SSL_total_renegotiations(ssl) \
1342 SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
0f113f3e 1343# define SSL_CTX_set_tmp_dh(ctx,dh) \
37659ea4 1344 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
0f113f3e
MC		 1345# define SSL_CTX_set_dh_auto(ctx, onoff) \
1346 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1347# define SSL_set_dh_auto(s, onoff) \
1348 SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
0f113f3e 1349# define SSL_set_tmp_dh(ssl,dh) \
37659ea4 1350 SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
936c2b9e 1351# ifndef OPENSSL_NO_DEPRECATED_3_0
ac48fba0
AS		 1352# define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1353 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1354# define SSL_set_tmp_ecdh(ssl,ecdh) \
37659ea4 1355 SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
ac48fba0 1356# endif
0f113f3e 1357# define SSL_CTX_add_extra_chain_cert(ctx,x509) \
37659ea4 1358 SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)(x509))
0f113f3e
MC		 1359# define SSL_CTX_get_extra_chain_certs(ctx,px509) \
1360 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
1361# define SSL_CTX_get_extra_chain_certs_only(ctx,px509) \
1362 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,1,px509)
1363# define SSL_CTX_clear_extra_chain_certs(ctx) \
1364 SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
1365# define SSL_CTX_set0_chain(ctx,sk) \
37659ea4 1366 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)(sk))
0f113f3e 1367# define SSL_CTX_set1_chain(ctx,sk) \
37659ea4 1368 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)(sk))
0f113f3e 1369# define SSL_CTX_add0_chain_cert(ctx,x509) \
37659ea4 1370 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
0f113f3e 1371# define SSL_CTX_add1_chain_cert(ctx,x509) \
37659ea4 1372 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
0f113f3e
MC		 1373# define SSL_CTX_get0_chain_certs(ctx,px509) \
1374 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1375# define SSL_CTX_clear_chain_certs(ctx) \
1376 SSL_CTX_set0_chain(ctx,NULL)
1377# define SSL_CTX_build_cert_chain(ctx, flags) \
1378 SSL_CTX_ctrl(ctx,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1379# define SSL_CTX_select_current_cert(ctx,x509) \
37659ea4 1380 SSL_CTX_ctrl(ctx,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
0f113f3e
MC		 1381# define SSL_CTX_set_current_cert(ctx, op) \
1382 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1383# define SSL_CTX_set0_verify_cert_store(ctx,st) \
37659ea4 1384 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
0f113f3e 1385# define SSL_CTX_set1_verify_cert_store(ctx,st) \
37659ea4 1386 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
0f113f3e 1387# define SSL_CTX_set0_chain_cert_store(ctx,st) \
37659ea4 1388 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
0f113f3e 1389# define SSL_CTX_set1_chain_cert_store(ctx,st) \
37659ea4 1390 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
c162c126 1391# define SSL_set0_chain(s,sk) \
1392 SSL_ctrl(s,SSL_CTRL_CHAIN,0,(char *)(sk))
1393# define SSL_set1_chain(s,sk) \
1394 SSL_ctrl(s,SSL_CTRL_CHAIN,1,(char *)(sk))
1395# define SSL_add0_chain_cert(s,x509) \
1396 SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1397# define SSL_add1_chain_cert(s,x509) \
1398 SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1399# define SSL_get0_chain_certs(s,px509) \
1400 SSL_ctrl(s,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1401# define SSL_clear_chain_certs(s) \
1402 SSL_set0_chain(s,NULL)
0f113f3e
MC		 1403# define SSL_build_cert_chain(s, flags) \
1404 SSL_ctrl(s,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
c162c126 1405# define SSL_select_current_cert(s,x509) \
1406 SSL_ctrl(s,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1407# define SSL_set_current_cert(s,op) \
1408 SSL_ctrl(s,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
0f113f3e 1409# define SSL_set0_verify_cert_store(s,st) \
37659ea4 1410 SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
0f113f3e 1411# define SSL_set1_verify_cert_store(s,st) \
37659ea4 1412 SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
0f113f3e 1413# define SSL_set0_chain_cert_store(s,st) \
37659ea4 1414 SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
0f113f3e 1415# define SSL_set1_chain_cert_store(s,st) \
37659ea4 1416 SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
c162c126 1417# define SSL_get1_groups(s, glist) \
1418 SSL_ctrl(s,SSL_CTRL_GET_GROUPS,0,(int*)(glist))
de4d764e 1419# define SSL_CTX_set1_groups(ctx, glist, glistlen) \
37659ea4 1420 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS,glistlen,(char *)(glist))
de4d764e 1421# define SSL_CTX_set1_groups_list(ctx, s) \
37659ea4 1422 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(s))
c162c126 1423# define SSL_set1_groups(s, glist, glistlen) \
1424 SSL_ctrl(s,SSL_CTRL_SET_GROUPS,glistlen,(char *)(glist))
1425# define SSL_set1_groups_list(s, str) \
1426 SSL_ctrl(s,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(str))
de4d764e
MC		 1427# define SSL_get_shared_group(s, n) \
1428 SSL_ctrl(s,SSL_CTRL_GET_SHARED_GROUP,n,NULL)
84d4b9e3 1429# define SSL_get_negotiated_group(s) \
1430 SSL_ctrl(s,SSL_CTRL_GET_NEGOTIATED_GROUP,0,NULL)
0f113f3e 1431# define SSL_CTX_set1_sigalgs(ctx, slist, slistlen) \
37659ea4 1432 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
0f113f3e 1433# define SSL_CTX_set1_sigalgs_list(ctx, s) \
37659ea4 1434 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(s))
c162c126 1435# define SSL_set1_sigalgs(s, slist, slistlen) \
1436 SSL_ctrl(s,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1437# define SSL_set1_sigalgs_list(s, str) \
1438 SSL_ctrl(s,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(str))
0f113f3e 1439# define SSL_CTX_set1_client_sigalgs(ctx, slist, slistlen) \
37659ea4 1440 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
0f113f3e 1441# define SSL_CTX_set1_client_sigalgs_list(ctx, s) \
37659ea4 1442 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(s))
c162c126 1443# define SSL_set1_client_sigalgs(s, slist, slistlen) \
1444 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1445# define SSL_set1_client_sigalgs_list(s, str) \
1446 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(str))
0f113f3e 1447# define SSL_get0_certificate_types(s, clist) \
37659ea4 1448 SSL_ctrl(s, SSL_CTRL_GET_CLIENT_CERT_TYPES, 0, (char *)(clist))
0f113f3e 1449# define SSL_CTX_set1_client_certificate_types(ctx, clist, clistlen) \
37659ea4
BE		 1450 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen, \
1451 (char *)(clist))
0f113f3e 1452# define SSL_set1_client_certificate_types(s, clist, clistlen) \
37659ea4 1453 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen,(char *)(clist))
a51c9f63
VD		 1454# define SSL_get_signature_nid(s, pn) \
1455 SSL_ctrl(s,SSL_CTRL_GET_SIGNATURE_NID,0,pn)
0f113f3e
MC		 1456# define SSL_get_peer_signature_nid(s, pn) \
1457 SSL_ctrl(s,SSL_CTRL_GET_PEER_SIGNATURE_NID,0,pn)
a51c9f63
VD		 1458# define SSL_get_peer_tmp_key(s, pk) \
1459 SSL_ctrl(s,SSL_CTRL_GET_PEER_TMP_KEY,0,pk)
1460# define SSL_get_tmp_key(s, pk) \
1461 SSL_ctrl(s,SSL_CTRL_GET_TMP_KEY,0,pk)
0f113f3e
MC		 1462# define SSL_get0_raw_cipherlist(s, plst) \
1463 SSL_ctrl(s,SSL_CTRL_GET_RAW_CIPHERLIST,0,plst)
1464# define SSL_get0_ec_point_formats(s, plst) \
1465 SSL_ctrl(s,SSL_CTRL_GET_EC_POINT_FORMATS,0,plst)
2f8271eb 1466# define SSL_CTX_set_min_proto_version(ctx, version) \
7946ab33 1467 SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
2f8271eb 1468# define SSL_CTX_set_max_proto_version(ctx, version) \
7946ab33 1469 SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
2f8271eb 1470# define SSL_CTX_get_min_proto_version(ctx) \
78d0afaa 1471 SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
2f8271eb 1472# define SSL_CTX_get_max_proto_version(ctx) \
78d0afaa 1473 SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
2f8271eb 1474# define SSL_set_min_proto_version(s, version) \
7946ab33 1475 SSL_ctrl(s, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
2f8271eb 1476# define SSL_set_max_proto_version(s, version) \
7946ab33 1477 SSL_ctrl(s, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
2f8271eb 1478# define SSL_get_min_proto_version(s) \
1f82eba7 1479 SSL_ctrl(s, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
2f8271eb 1480# define SSL_get_max_proto_version(s) \
1f82eba7 1481 SSL_ctrl(s, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
7946ab33 1482
a51c9f63
VD		 1483/* Backwards compatibility, original 1.1.0 names */
1484# define SSL_CTRL_GET_SERVER_TMP_KEY \
1485 SSL_CTRL_GET_PEER_TMP_KEY
1486# define SSL_get_server_tmp_key(s, pk) \
1487 SSL_get_peer_tmp_key(s, pk)
1488
9d978ac3
DMSP		 1489/*
1490 * The following symbol names are old and obsolete. They are kept
1491 * for compatibility reasons only and should not be used anymore.
1492 */
1493# define SSL_CTRL_GET_CURVES SSL_CTRL_GET_GROUPS
1494# define SSL_CTRL_SET_CURVES SSL_CTRL_SET_GROUPS
1495# define SSL_CTRL_SET_CURVES_LIST SSL_CTRL_SET_GROUPS_LIST
1496# define SSL_CTRL_GET_SHARED_CURVE SSL_CTRL_GET_SHARED_GROUP
1497
1498# define SSL_get1_curves SSL_get1_groups
1499# define SSL_CTX_set1_curves SSL_CTX_set1_groups
1500# define SSL_CTX_set1_curves_list SSL_CTX_set1_groups_list
1501# define SSL_set1_curves SSL_set1_groups
1502# define SSL_set1_curves_list SSL_set1_groups_list
1503# define SSL_get_shared_curve SSL_get_shared_group
1504
1505
00db8c60 1506# ifndef OPENSSL_NO_DEPRECATED_1_1_0
fb5b14b4 1507/* Provide some compatibility macros for removed functionality. */
2f8271eb
F		 1508# define SSL_CTX_need_tmp_RSA(ctx) 0
1509# define SSL_CTX_set_tmp_rsa(ctx,rsa) 1
1510# define SSL_need_tmp_RSA(ssl) 0
1511# define SSL_set_tmp_rsa(ssl,rsa) 1
1512# define SSL_CTX_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1513# define SSL_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
fb5b14b4 1514/*
533bf1df 1515 * We "pretend" to call the callback to avoid warnings about unused static
fb5b14b4
MC		 1516 * functions.
1517 */
2f8271eb
F		 1518# define SSL_CTX_set_tmp_rsa_callback(ctx, cb) while(0) (cb)(NULL, 0, 0)
1519# define SSL_set_tmp_rsa_callback(ssl, cb) while(0) (cb)(NULL, 0, 0)
1520# endif
04f6b0fd 1521__owur const BIO_METHOD *BIO_f_ssl(void);
4bcdb4a6
MC		 1522__owur BIO *BIO_new_ssl(SSL_CTX *ctx, int client);
1523__owur BIO *BIO_new_ssl_connect(SSL_CTX *ctx);
1524__owur BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx);
1525__owur int BIO_ssl_copy_session_id(BIO *to, BIO *from);
d02b48c6
RE		 1526void BIO_ssl_shutdown(BIO *ssl_bio);
1527
4bcdb4a6
MC		 1528__owur int SSL_CTX_set_cipher_list(SSL_CTX *, const char *str);
1529__owur SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth);
ba18627e
MC		 1530__owur SSL_CTX *SSL_CTX_new_with_libctx(OPENSSL_CTX *libctx, const char *propq,
1531 const SSL_METHOD *meth);
c5ebfcab 1532int SSL_CTX_up_ref(SSL_CTX *ctx);
0f113f3e 1533void SSL_CTX_free(SSL_CTX *);
4bcdb4a6
MC		 1534__owur long SSL_CTX_set_timeout(SSL_CTX *ctx, long t);
1535__owur long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1536__owur X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *);
0f113f3e 1537void SSL_CTX_set_cert_store(SSL_CTX *, X509_STORE *);
b50052db 1538void SSL_CTX_set1_cert_store(SSL_CTX *, X509_STORE *);
4bcdb4a6
MC		 1539__owur int SSL_want(const SSL *s);
1540__owur int SSL_clear(SSL *s);
413c4f45 1541
0f113f3e 1542void SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
d02b48c6 1543
4bcdb4a6 1544__owur const SSL_CIPHER *SSL_get_current_cipher(const SSL *s);
0aed6e44 1545__owur const SSL_CIPHER *SSL_get_pending_cipher(const SSL *s);
1c86d8fd 1546__owur int SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits);
b11836a6 1547__owur const char *SSL_CIPHER_get_version(const SSL_CIPHER *c);
4bcdb4a6 1548__owur const char *SSL_CIPHER_get_name(const SSL_CIPHER *c);
bbb4ceb8
PY		 1549__owur const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c);
1550__owur const char *OPENSSL_cipher_name(const char *rfc_name);
90d9e49a 1551__owur uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c);
50966bfa 1552__owur uint16_t SSL_CIPHER_get_protocol_id(const SSL_CIPHER *c);
3ec13237
TS		 1553__owur int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c);
1554__owur int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c);
ba4df682 1555__owur const EVP_MD *SSL_CIPHER_get_handshake_digest(const SSL_CIPHER *c);
3ec13237 1556__owur int SSL_CIPHER_is_aead(const SSL_CIPHER *c);
4bcdb4a6
MC		 1557
1558__owur int SSL_get_fd(const SSL *s);
1559__owur int SSL_get_rfd(const SSL *s);
1560__owur int SSL_get_wfd(const SSL *s);
1561__owur const char *SSL_get_cipher_list(const SSL *s, int n);
a216df59 1562__owur char *SSL_get_shared_ciphers(const SSL *s, char *buf, int size);
4bcdb4a6
MC		 1563__owur int SSL_get_read_ahead(const SSL *s);
1564__owur int SSL_pending(const SSL *s);
49580f25 1565__owur int SSL_has_pending(const SSL *s);
0f113f3e 1566# ifndef OPENSSL_NO_SOCK
4bcdb4a6
MC		 1567__owur int SSL_set_fd(SSL *s, int fd);
1568__owur int SSL_set_rfd(SSL *s, int fd);
1569__owur int SSL_set_wfd(SSL *s, int fd);
0f113f3e 1570# endif
65e2d672
MC		 1571void SSL_set0_rbio(SSL *s, BIO *rbio);
1572void SSL_set0_wbio(SSL *s, BIO *wbio);
0f113f3e 1573void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio);
4bcdb4a6
MC		 1574__owur BIO *SSL_get_rbio(const SSL *s);
1575__owur BIO *SSL_get_wbio(const SSL *s);
1576__owur int SSL_set_cipher_list(SSL *s, const char *str);
f865b081
MC		 1577__owur int SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str);
1578__owur int SSL_set_ciphersuites(SSL *s, const char *str);
0f113f3e 1579void SSL_set_read_ahead(SSL *s, int yes);
4bcdb4a6
MC		 1580__owur int SSL_get_verify_mode(const SSL *s);
1581__owur int SSL_get_verify_depth(const SSL *s);
3adc41dd
RS		 1582__owur SSL_verify_cb SSL_get_verify_callback(const SSL *s);
1583void SSL_set_verify(SSL *s, int mode, SSL_verify_cb callback);
0f113f3e
MC		 1584void SSL_set_verify_depth(SSL *s, int depth);
1585void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg);
1586# ifndef OPENSSL_NO_RSA
4bcdb4a6 1587__owur int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
2f8271eb
F		 1588__owur int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, const unsigned char *d,
1589 long len);
c3be59a4 1590# endif
4bcdb4a6
MC		 1591__owur int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
1592__owur int SSL_use_PrivateKey_ASN1(int pk, SSL *ssl, const unsigned char *d,
2f8271eb 1593 long len);
4bcdb4a6
MC		 1594__owur int SSL_use_certificate(SSL *ssl, X509 *x);
1595__owur int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len);
37933acb
TS		 1596__owur int SSL_use_cert_and_key(SSL *ssl, X509 *x509, EVP_PKEY *privatekey,
1597 STACK_OF(X509) *chain, int override);
0f113f3e 1598
84c34ba8
MC		 1599
1600/* serverinfo file format versions */
2698bbfe
MC		 1601# define SSL_SERVERINFOV1 1
1602# define SSL_SERVERINFOV2 2
84c34ba8 1603
a398f821 1604/* Set serverinfo data for the current active cert. */
4bcdb4a6 1605__owur int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo,
2f8271eb 1606 size_t serverinfo_length);
84c34ba8
MC		 1607__owur int SSL_CTX_use_serverinfo_ex(SSL_CTX *ctx, unsigned int version,
1608 const unsigned char *serverinfo,
1609 size_t serverinfo_length);
4bcdb4a6 1610__owur int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file);
a9e1c50b 1611
c3be59a4 1612#ifndef OPENSSL_NO_RSA
4bcdb4a6 1613__owur int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
c3be59a4
DSH		 1614#endif
1615
4bcdb4a6
MC		 1616__owur int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
1617__owur int SSL_use_certificate_file(SSL *ssl, const char *file, int type);
c3be59a4
DSH		 1618
1619#ifndef OPENSSL_NO_RSA
2f8271eb
F		 1620__owur int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file,
1621 int type);
c3be59a4 1622#endif
2f8271eb
F		 1623__owur int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file,
1624 int type);
1625__owur int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file,
1626 int type);
68d39f3c 1627/* PEM type */
4bcdb4a6 1628__owur int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file);
fae4772c 1629__owur int SSL_use_certificate_chain_file(SSL *ssl, const char *file);
4bcdb4a6
MC		 1630__owur STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
1631__owur int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
2f8271eb 1632 const char *file);
0f113f3e
MC		 1633int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1634 const char *dir);
6dcb100f
RL		 1635int SSL_add_store_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1636 const char *uri);
58964a49 1637
00db8c60 1638# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2f8271eb 1639# define SSL_load_error_strings() \
f672aee4
RS		 1640 OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS \
1641 | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL)
2f8271eb 1642# endif
7fa792d1 1643
4bcdb4a6
MC		 1644__owur const char *SSL_state_string(const SSL *s);
1645__owur const char *SSL_rstate_string(const SSL *s);
1646__owur const char *SSL_state_string_long(const SSL *s);
1647__owur const char *SSL_rstate_string_long(const SSL *s);
1648__owur long SSL_SESSION_get_time(const SSL_SESSION *s);
1649__owur long SSL_SESSION_set_time(SSL_SESSION *s, long t);
1650__owur long SSL_SESSION_get_timeout(const SSL_SESSION *s);
1651__owur long SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
bd01f649 1652__owur int SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
5a43d511
MC		 1653__owur int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version);
1654
4b6b8487 1655__owur const char *SSL_SESSION_get0_hostname(const SSL_SESSION *s);
67738645
MC		 1656__owur int SSL_SESSION_set1_hostname(SSL_SESSION *s, const char *hostname);
1657void SSL_SESSION_get0_alpn_selected(const SSL_SESSION *s,
1658 const unsigned char **alpn,
1659 size_t *len);
1660__owur int SSL_SESSION_set1_alpn_selected(SSL_SESSION *s,
1661 const unsigned char *alpn,
1662 size_t len);
e9281323 1663__owur const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s);
1a993d1d 1664__owur int SSL_SESSION_set_cipher(SSL_SESSION *s, const SSL_CIPHER *cipher);
4bcdb4a6
MC		 1665__owur int SSL_SESSION_has_ticket(const SSL_SESSION *s);
1666__owur unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s);
48593cb1 1667void SSL_SESSION_get0_ticket(const SSL_SESSION *s, const unsigned char **tick,
2f8271eb 1668 size_t *len);
fcc47578 1669__owur uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *s);
98e1d934
MC		 1670__owur int SSL_SESSION_set_max_early_data(SSL_SESSION *s,
1671 uint32_t max_early_data);
17dd65e6 1672__owur int SSL_copy_session_id(SSL *to, const SSL *from);
4bcdb4a6 1673__owur X509 *SSL_SESSION_get0_peer(SSL_SESSION *s);
2f8271eb
F		 1674__owur int SSL_SESSION_set1_id_context(SSL_SESSION *s,
1675 const unsigned char *sid_ctx,
1676 unsigned int sid_ctx_len);
fddfc0af
RG		 1677__owur int SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid,
1678 unsigned int sid_len);
e586eac8 1679__owur int SSL_SESSION_is_resumable(const SSL_SESSION *s);
d02b48c6 1680
4bcdb4a6 1681__owur SSL_SESSION *SSL_SESSION_new(void);
9fdcc21f 1682__owur SSL_SESSION *SSL_SESSION_dup(const SSL_SESSION *src);
3c1d6bbc 1683const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s,
0f113f3e 1684 unsigned int *len);
fddfc0af 1685const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *s,
2f8271eb 1686 unsigned int *len);
4bcdb4a6 1687__owur unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s);
0f113f3e
MC		 1688# ifndef OPENSSL_NO_STDIO
1689int SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses);
1690# endif
0f113f3e
MC		 1691int SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses);
1692int SSL_SESSION_print_keylog(BIO *bp, const SSL_SESSION *x);
16203f7b 1693int SSL_SESSION_up_ref(SSL_SESSION *ses);
0f113f3e 1694void SSL_SESSION_free(SSL_SESSION *ses);
9fdcc21f 1695__owur int i2d_SSL_SESSION(const SSL_SESSION *in, unsigned char **pp);
4bcdb4a6 1696__owur int SSL_set_session(SSL *to, SSL_SESSION *session);
2f8271eb
F		 1697int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *session);
1698int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *session);
1699__owur int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb);
1700__owur int SSL_set_generate_session_id(SSL *s, GEN_SESSION_CB cb);
1701__owur int SSL_has_matching_session_id(const SSL *s,
1702 const unsigned char *id,
1703 unsigned int id_len);
0f113f3e
MC		 1704SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
1705 long length);
1706
ae4186b0 1707# ifdef OPENSSL_X509_H
4bcdb4a6 1708__owur X509 *SSL_get_peer_certificate(const SSL *s);
0f113f3e 1709# endif
d02b48c6 1710
4bcdb4a6 1711__owur STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s);
d02b48c6 1712
4bcdb4a6
MC		 1713__owur int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1714__owur int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
3adc41dd
RS		 1715__owur SSL_verify_cb SSL_CTX_get_verify_callback(const SSL_CTX *ctx);
1716void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, SSL_verify_cb callback);
0f113f3e
MC		 1717void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth);
1718void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,
1719 int (*cb) (X509_STORE_CTX *, void *),
1720 void *arg);
1721void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg),
1722 void *arg);
1723# ifndef OPENSSL_NO_RSA
4bcdb4a6 1724__owur int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
4bcdb4a6 1725__owur int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d,
2f8271eb 1726 long len);
c3be59a4 1727# endif
4bcdb4a6
MC		 1728__owur int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
1729__owur int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx,
2f8271eb 1730 const unsigned char *d, long len);
4bcdb4a6
MC		 1731__owur int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
1732__owur int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len,
2f8271eb 1733 const unsigned char *d);
37933acb
TS		 1734__owur int SSL_CTX_use_cert_and_key(SSL_CTX *ctx, X509 *x509, EVP_PKEY *privatekey,
1735 STACK_OF(X509) *chain, int override);
d02b48c6 1736
74678cc2
BM		 1737void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb);
1738void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
0c452abc
CH		 1739pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx);
1740void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx);
a974e64a
MC		 1741void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb);
1742void SSL_set_default_passwd_cb_userdata(SSL *s, void *u);
0c452abc
CH		 1743pem_password_cb *SSL_get_default_passwd_cb(SSL *s);
1744void *SSL_get_default_passwd_cb_userdata(SSL *s);
d02b48c6 1745
4bcdb4a6
MC		 1746__owur int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1747__owur int SSL_check_private_key(const SSL *ctx);
d02b48c6 1748
2f8271eb
F		 1749__owur int SSL_CTX_set_session_id_context(SSL_CTX *ctx,
1750 const unsigned char *sid_ctx,
1751 unsigned int sid_ctx_len);
4eb77b26 1752
0f113f3e 1753SSL *SSL_new(SSL_CTX *ctx);
c5ebfcab 1754int SSL_up_ref(SSL *s);
e417070c 1755int SSL_is_dtls(const SSL *s);
4bcdb4a6 1756__owur int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx,
2f8271eb 1757 unsigned int sid_ctx_len);
bb7cd4e3 1758
2f8271eb
F		 1759__owur int SSL_CTX_set_purpose(SSL_CTX *ctx, int purpose);
1760__owur int SSL_set_purpose(SSL *ssl, int purpose);
1761__owur int SSL_CTX_set_trust(SSL_CTX *ctx, int trust);
1762__owur int SSL_set_trust(SSL *ssl, int trust);
bb7cd4e3 1763
919ba009
VD		 1764__owur int SSL_set1_host(SSL *s, const char *hostname);
1765__owur int SSL_add1_host(SSL *s, const char *hostname);
4588cb44 1766__owur const char *SSL_get0_peername(SSL *s);
919ba009
VD		 1767void SSL_set_hostflags(SSL *s, unsigned int flags);
1768
1769__owur int SSL_CTX_dane_enable(SSL_CTX *ctx);
1770__owur int SSL_CTX_dane_mtype_set(SSL_CTX *ctx, const EVP_MD *md,
1771 uint8_t mtype, uint8_t ord);
1772__owur int SSL_dane_enable(SSL *s, const char *basedomain);
1773__owur int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector,
a41a6120 1774 uint8_t mtype, unsigned const char *data, size_t dlen);
919ba009
VD		 1775__owur int SSL_get0_dane_authority(SSL *s, X509 **mcert, EVP_PKEY **mspki);
1776__owur int SSL_get0_dane_tlsa(SSL *s, uint8_t *usage, uint8_t *selector,
1777 uint8_t *mtype, unsigned const char **data,
1778 size_t *dlen);
1779/*
1780 * Bridge opacity barrier between libcrypt and libssl, also needed to support
1781 * offline testing in test/danetest.c
1782 */
b9aec69a 1783SSL_DANE *SSL_get0_dane(SSL *ssl);
5ae4ceb9
VD		 1784/*
1785 * DANE flags
1786 */
1787unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags);
1788unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags);
1789unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags);
1790unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags);
919ba009 1791
4bcdb4a6
MC		 1792__owur int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
1793__owur int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
ccf11751 1794
4bcdb4a6
MC		 1795__owur X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx);
1796__owur X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl);
7af31968 1797
0f113f3e
MC		 1798# ifndef OPENSSL_NO_SRP
1799int SSL_CTX_set_srp_username(SSL_CTX *ctx, char *name);
1800int SSL_CTX_set_srp_password(SSL_CTX *ctx, char *password);
edc032b5
BL		 1801int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength);
1802int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx,
0f113f3e 1803 char *(*cb) (SSL *, void *));
edc032b5 1804int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx,
0f113f3e 1805 int (*cb) (SSL *, void *));
edc032b5 1806int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
0f113f3e 1807 int (*cb) (SSL *, int *, void *));
edc032b5
BL		 1808int SSL_CTX_set_srp_cb_arg(SSL_CTX *ctx, void *arg);
1809
1810int SSL_set_srp_server_param(SSL *s, const BIGNUM *N, const BIGNUM *g,
0f113f3e 1811 BIGNUM *sa, BIGNUM *v, char *info);
edc032b5 1812int SSL_set_srp_server_param_pw(SSL *s, const char *user, const char *pass,
0f113f3e 1813 const char *grp);
edc032b5 1814
4bcdb4a6
MC		 1815__owur BIGNUM *SSL_get_srp_g(SSL *s);
1816__owur BIGNUM *SSL_get_srp_N(SSL *s);
edc032b5 1817
4bcdb4a6
MC		 1818__owur char *SSL_get_srp_username(SSL *s);
1819__owur char *SSL_get_srp_userinfo(SSL *s);
0f113f3e 1820# endif
edc032b5 1821
6b1bb98f 1822/*
a9c0d8be 1823 * ClientHello callback and helpers.
6b1bb98f 1824 */
f1b97da1
DB		 1825
1826# define SSL_CLIENT_HELLO_SUCCESS 1
1827# define SSL_CLIENT_HELLO_ERROR 0
1828# define SSL_CLIENT_HELLO_RETRY (-1)
1829
a9c0d8be
DB		 1830typedef int (*SSL_client_hello_cb_fn) (SSL *s, int *al, void *arg);
1831void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb,
1832 void *arg);
1833int SSL_client_hello_isv2(SSL *s);
1834unsigned int SSL_client_hello_get0_legacy_version(SSL *s);
1835size_t SSL_client_hello_get0_random(SSL *s, const unsigned char **out);
1836size_t SSL_client_hello_get0_session_id(SSL *s, const unsigned char **out);
1837size_t SSL_client_hello_get0_ciphers(SSL *s, const unsigned char **out);
1838size_t SSL_client_hello_get0_compression_methods(SSL *s,
1839 const unsigned char **out);
1840int SSL_client_hello_get1_extensions_present(SSL *s, int **out, size_t *outlen);
1841int SSL_client_hello_get0_ext(SSL *s, unsigned int type,
1842 const unsigned char **out, size_t *outlen);
6b1bb98f 1843
0f113f3e
MC		 1844void SSL_certs_clear(SSL *s);
1845void SSL_free(SSL *ssl);
f1f5ee17
AP		 1846# ifdef OSSL_ASYNC_FD
1847/*
ceab33e2 1848 * Windows application developer has to include windows.h to use these.
f1f5ee17 1849 */
07bbc92c 1850__owur int SSL_waiting_for_async(SSL *s);
ff75a257
MC		 1851__owur int SSL_get_all_async_fds(SSL *s, OSSL_ASYNC_FD *fds, size_t *numfds);
1852__owur int SSL_get_changed_async_fds(SSL *s, OSSL_ASYNC_FD *addfd,
1853 size_t *numaddfds, OSSL_ASYNC_FD *delfd,
1854 size_t *numdelfds);
9f5a87fd
PY		 1855__owur int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback);
1856__owur int SSL_CTX_set_async_callback_arg(SSL_CTX *ctx, void *arg);
1857__owur int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback);
1858__owur int SSL_set_async_callback_arg(SSL *s, void *arg);
1859__owur int SSL_get_async_status(SSL *s, int *status);
1860
f1f5ee17 1861# endif
4bcdb4a6 1862__owur int SSL_accept(SSL *ssl);
042c5753 1863__owur int SSL_stateless(SSL *s);
4bcdb4a6
MC		 1864__owur int SSL_connect(SSL *ssl);
1865__owur int SSL_read(SSL *ssl, void *buf, int num);
beacb0f0 1866__owur int SSL_read_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes);
d781d247 1867
f533fbd4
MC		 1868# define SSL_READ_EARLY_DATA_ERROR 0
1869# define SSL_READ_EARLY_DATA_SUCCESS 1
1870# define SSL_READ_EARLY_DATA_FINISH 2
d781d247 1871
f533fbd4
MC		 1872__owur int SSL_read_early_data(SSL *s, void *buf, size_t num,
1873 size_t *readbytes);
4bcdb4a6 1874__owur int SSL_peek(SSL *ssl, void *buf, int num);
beacb0f0 1875__owur int SSL_peek_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes);
7c3a7561
BP		 1876__owur ossl_ssize_t SSL_sendfile(SSL *s, int fd, off_t offset, size_t size,
1877 int flags);
4bcdb4a6 1878__owur int SSL_write(SSL *ssl, const void *buf, int num);
7ee8627f 1879__owur int SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *written);
0665b4ed
MC		 1880__owur int SSL_write_early_data(SSL *s, const void *buf, size_t num,
1881 size_t *written);
0f113f3e
MC		 1882long SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg);
1883long SSL_callback_ctrl(SSL *, int, void (*)(void));
1884long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg);
1885long SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)(void));
1886
1ea4d09a
MC		 1887# define SSL_EARLY_DATA_NOT_SENT 0
1888# define SSL_EARLY_DATA_REJECTED 1
1889# define SSL_EARLY_DATA_ACCEPTED 2
1890
f5b519c4 1891__owur int SSL_get_early_data_status(const SSL *s);
1ea4d09a 1892
4bcdb4a6
MC		 1893__owur int SSL_get_error(const SSL *s, int ret_code);
1894__owur const char *SSL_get_version(const SSL *s);
d02b48c6
RE		 1895
1896/* This sets the 'default' SSL version that SSL_new() will create */
4bcdb4a6 1897__owur int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth);
d02b48c6 1898
0f113f3e 1899# ifndef OPENSSL_NO_SSL3_METHOD
2b8fa1d5 1900DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_method(void)) /* SSLv3 */
2f8271eb
F		 1901DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_server_method(void))
1902DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_client_method(void))
0f113f3e 1903# endif
58964a49 1904
32ec4153
MC		 1905#define SSLv23_method TLS_method
1906#define SSLv23_server_method TLS_server_method
13c9bb3e 1907#define SSLv23_client_method TLS_client_method
d02b48c6 1908
32ec4153
MC		 1909/* Negotiate highest available SSL/TLS version */
1910__owur const SSL_METHOD *TLS_method(void);
1911__owur const SSL_METHOD *TLS_server_method(void);
13c9bb3e 1912__owur const SSL_METHOD *TLS_client_method(void);
32ec4153 1913
1fc7d666 1914# ifndef OPENSSL_NO_TLS1_METHOD
2b8fa1d5 1915DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_method(void)) /* TLSv1.0 */
2f8271eb
F		 1916DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_server_method(void))
1917DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_client_method(void))
1fc7d666 1918# endif
637f374a 1919
1fc7d666 1920# ifndef OPENSSL_NO_TLS1_1_METHOD
2b8fa1d5 1921DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_method(void)) /* TLSv1.1 */
2f8271eb
F		 1922DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_server_method(void))
1923DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_client_method(void))
1fc7d666 1924# endif
7409d7ad 1925
1fc7d666 1926# ifndef OPENSSL_NO_TLS1_2_METHOD
2b8fa1d5 1927DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_method(void)) /* TLSv1.2 */
2f8271eb
F		 1928DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_server_method(void))
1929DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_client_method(void))
1fc7d666 1930# endif
7409d7ad 1931
1fc7d666 1932# ifndef OPENSSL_NO_DTLS1_METHOD
2b8fa1d5 1933DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_method(void)) /* DTLSv1.0 */
2f8271eb
F		 1934DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_server_method(void))
1935DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_client_method(void))
1fc7d666 1936# endif
36d16f8e 1937
1fc7d666 1938# ifndef OPENSSL_NO_DTLS1_2_METHOD
2f8271eb
F		 1939/* DTLSv1.2 */
1940DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_method(void))
1941DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_server_method(void))
1942DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_client_method(void))
1943# endif
c3b344e3 1944
4bcdb4a6
MC		 1945__owur const SSL_METHOD *DTLS_method(void); /* DTLS 1.0 and 1.2 */
1946__owur const SSL_METHOD *DTLS_server_method(void); /* DTLS 1.0 and 1.2 */
1947__owur const SSL_METHOD *DTLS_client_method(void); /* DTLS 1.0 and 1.2 */
c6913eeb 1948
045bd047
DW		 1949__owur size_t DTLS_get_data_mtu(const SSL *s);
1950
4bcdb4a6 1951__owur STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s);
9d5ac953 1952__owur STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx);
831eef2c 1953__owur STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s);
4bcdb4a6 1954__owur STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s);
d02b48c6 1955
4bcdb4a6 1956__owur int SSL_do_handshake(SSL *s);
4fbfe86a 1957int SSL_key_update(SSL *s, int updatetype);
3499327b 1958int SSL_get_key_update_type(const SSL *s);
d02b48c6 1959int SSL_renegotiate(SSL *s);
c7f47786 1960int SSL_renegotiate_abbreviated(SSL *s);
3499327b 1961__owur int SSL_renegotiate_pending(const SSL *s);
d02b48c6 1962int SSL_shutdown(SSL *s);
9d75dce3 1963__owur int SSL_verify_client_post_handshake(SSL *s);
e97be718 1964void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val);
32097b33 1965void SSL_set_post_handshake_auth(SSL *s, int val);
d02b48c6 1966
3499327b
SR		 1967__owur const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx);
1968__owur const SSL_METHOD *SSL_get_ssl_method(const SSL *s);
4bcdb4a6
MC		 1969__owur int SSL_set_ssl_method(SSL *s, const SSL_METHOD *method);
1970__owur const char *SSL_alert_type_string_long(int value);
1971__owur const char *SSL_alert_type_string(int value);
1972__owur const char *SSL_alert_desc_string_long(int value);
1973__owur const char *SSL_alert_desc_string(int value);
d02b48c6 1974
fa7c2637
DSH		 1975void SSL_set0_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
1976void SSL_CTX_set0_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
1977__owur const STACK_OF(X509_NAME) *SSL_get0_CA_list(const SSL *s);
1978__owur const STACK_OF(X509_NAME) *SSL_CTX_get0_CA_list(const SSL_CTX *ctx);
64a48fc7
RL		 1979__owur int SSL_add1_to_CA_list(SSL *ssl, const X509 *x);
1980__owur int SSL_CTX_add1_to_CA_list(SSL_CTX *ctx, const X509 *x);
fa7c2637
DSH		 1981__owur const STACK_OF(X509_NAME) *SSL_get0_peer_CA_list(const SSL *s);
1982
3822740c
RL		 1983void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
1984void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
4bcdb4a6
MC		 1985__owur STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
1986__owur STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s);
1987__owur int SSL_add_client_CA(SSL *ssl, X509 *x);
1988__owur int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x);
d02b48c6
RE		 1989
1990void SSL_set_connect_state(SSL *s);
1991void SSL_set_accept_state(SSL *s);
1992
4bcdb4a6 1993__owur long SSL_get_default_timeout(const SSL *s);
d02b48c6 1994
00db8c60 1995# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2f8271eb
F		 1996# define SSL_library_init() OPENSSL_init_ssl(0, NULL)
1997# endif
d02b48c6 1998
4bcdb4a6 1999__owur char *SSL_CIPHER_description(const SSL_CIPHER *, char *buf, int size);
86135bed 2000__owur STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk);
d02b48c6 2001
4bcdb4a6 2002__owur SSL *SSL_dup(SSL *ssl);
d02b48c6 2003
4bcdb4a6 2004__owur X509 *SSL_get_certificate(const SSL *ssl);
0f113f3e
MC		 2005/*
2006 * EVP_PKEY
2f8271eb
F		 2007 */
2008struct evp_pkey_st *SSL_get_privatekey(const SSL *ssl);
a25f9adc 2009
4bcdb4a6
MC		 2010__owur X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx);
2011__owur EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx);
d02b48c6 2012
0f113f3e 2013void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
4bcdb4a6 2014__owur int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
0f113f3e 2015void SSL_set_quiet_shutdown(SSL *ssl, int mode);
4bcdb4a6 2016__owur int SSL_get_quiet_shutdown(const SSL *ssl);
0f113f3e 2017void SSL_set_shutdown(SSL *ssl, int mode);
4bcdb4a6
MC		 2018__owur int SSL_get_shutdown(const SSL *ssl);
2019__owur int SSL_version(const SSL *ssl);
6546e9b2 2020__owur int SSL_client_version(const SSL *s);
4bcdb4a6 2021__owur int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
d84a7b20
MC		 2022__owur int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx);
2023__owur int SSL_CTX_set_default_verify_file(SSL_CTX *ctx);
6dcb100f
RL		 2024__owur int SSL_CTX_set_default_verify_store(SSL_CTX *ctx);
2025__owur int SSL_CTX_load_verify_file(SSL_CTX *ctx, const char *CAfile);
2026__owur int SSL_CTX_load_verify_dir(SSL_CTX *ctx, const char *CApath);
2027__owur int SSL_CTX_load_verify_store(SSL_CTX *ctx, const char *CAstore);
936c2b9e 2028DEPRECATEDIN_3_0(__owur int SSL_CTX_load_verify_locations(SSL_CTX *ctx,
6dcb100f
RL		 2029 const char *CAfile,
2030 const char *CApath))
0f113f3e 2031# define SSL_get0_session SSL_get_session/* just peek at pointer */
4bcdb4a6
MC		 2032__owur SSL_SESSION *SSL_get_session(const SSL *ssl);
2033__owur SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */
2034__owur SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl);
0f113f3e 2035SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx);
45d87a1f 2036void SSL_set_info_callback(SSL *ssl,
0f113f3e
MC		 2037 void (*cb) (const SSL *ssl, int type, int val));
2038void (*SSL_get_info_callback(const SSL *ssl)) (const SSL *ssl, int type,
2039 int val);
5998e290 2040__owur OSSL_HANDSHAKE_STATE SSL_get_state(const SSL *ssl);
58964a49 2041
0f113f3e 2042void SSL_set_verify_result(SSL *ssl, long v);
4bcdb4a6 2043__owur long SSL_get_verify_result(const SSL *ssl);
696178ed 2044__owur STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s);
58964a49 2045
d9f1c639
MC		 2046__owur size_t SSL_get_client_random(const SSL *ssl, unsigned char *out,
2047 size_t outlen);
2048__owur size_t SSL_get_server_random(const SSL *ssl, unsigned char *out,
2049 size_t outlen);
cf72c757 2050__owur size_t SSL_SESSION_get_master_key(const SSL_SESSION *sess,
d9f1c639 2051 unsigned char *out, size_t outlen);
725b0f1e
MC		 2052__owur int SSL_SESSION_set1_master_key(SSL_SESSION *sess,
2053 const unsigned char *in, size_t len);
cf72c757 2054uint8_t SSL_SESSION_get_max_fragment_length(const SSL_SESSION *sess);
858618e7 2055
e6390aca 2056#define SSL_get_ex_new_index(l, p, newf, dupf, freef) \
b6ca88ab 2057 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, l, p, newf, dupf, freef)
4bcdb4a6 2058__owur int SSL_set_ex_data(SSL *ssl, int idx, void *data);
0f113f3e 2059void *SSL_get_ex_data(const SSL *ssl, int idx);
e6390aca 2060#define SSL_SESSION_get_ex_new_index(l, p, newf, dupf, freef) \
b6ca88ab 2061 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_SESSION, l, p, newf, dupf, freef)
4bcdb4a6 2062__owur int SSL_SESSION_set_ex_data(SSL_SESSION *ss, int idx, void *data);
0f113f3e 2063void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss, int idx);
e6390aca 2064#define SSL_CTX_get_ex_new_index(l, p, newf, dupf, freef) \
b6ca88ab 2065 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, l, p, newf, dupf, freef)
4bcdb4a6 2066__owur int SSL_CTX_set_ex_data(SSL_CTX *ssl, int idx, void *data);
0f113f3e 2067void *SSL_CTX_get_ex_data(const SSL_CTX *ssl, int idx);
0f113f3e 2068
4bcdb4a6 2069__owur int SSL_get_ex_data_X509_STORE_CTX_idx(void);
0f113f3e
MC		 2070
2071# define SSL_CTX_sess_set_cache_size(ctx,t) \
2072 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
2073# define SSL_CTX_sess_get_cache_size(ctx) \
2074 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
2075# define SSL_CTX_set_session_cache_mode(ctx,m) \
2076 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
2077# define SSL_CTX_get_session_cache_mode(ctx) \
2078 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
2079
2080# define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
2081# define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
2082# define SSL_CTX_get_read_ahead(ctx) \
2083 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
2084# define SSL_CTX_set_read_ahead(ctx,m) \
2085 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
2086# define SSL_CTX_get_max_cert_list(ctx) \
2087 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2088# define SSL_CTX_set_max_cert_list(ctx,m) \
2089 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2090# define SSL_get_max_cert_list(ssl) \
2091 SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2092# define SSL_set_max_cert_list(ssl,m) \
2093 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2094
2095# define SSL_CTX_set_max_send_fragment(ctx,m) \
2096 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2097# define SSL_set_max_send_fragment(ssl,m) \
2098 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
d102d9df
MC		 2099# define SSL_CTX_set_split_send_fragment(ctx,m) \
2100 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2101# define SSL_set_split_send_fragment(ssl,m) \
2102 SSL_ctrl(ssl,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2103# define SSL_CTX_set_max_pipelines(ctx,m) \
2104 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2105# define SSL_set_max_pipelines(ssl,m) \
2106 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
566dda07 2107
dad78fb1
MC		 2108void SSL_CTX_set_default_read_buffer_len(SSL_CTX *ctx, size_t len);
2109void SSL_set_default_read_buffer_len(SSL *s, size_t len);
2110
0f113f3e 2111# ifndef OPENSSL_NO_DH
ceab33e2 2112/* NB: the |keylength| is only applicable when is_export is true */
79df9d62 2113void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
0f113f3e
MC		 2114 DH *(*dh) (SSL *ssl, int is_export,
2115 int keylength));
15d21c2d 2116void SSL_set_tmp_dh_callback(SSL *ssl,
0f113f3e
MC		 2117 DH *(*dh) (SSL *ssl, int is_export,
2118 int keylength));
2119# endif
15d21c2d 2120
3499327b
SR		 2121__owur const COMP_METHOD *SSL_get_current_compression(const SSL *s);
2122__owur const COMP_METHOD *SSL_get_current_expansion(const SSL *s);
4bcdb4a6 2123__owur const char *SSL_COMP_get_name(const COMP_METHOD *comp);
e304d3e2
MC		 2124__owur const char *SSL_COMP_get0_name(const SSL_COMP *comp);
2125__owur int SSL_COMP_get_id(const SSL_COMP *comp);
69f68237 2126STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
4bcdb4a6 2127__owur STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP)
2f8271eb 2128 *meths);
00db8c60 2129# ifndef OPENSSL_NO_DEPRECATED_1_1_0
2f8271eb
F		 2130# define SSL_COMP_free_compression_methods() while(0) continue
2131# endif
4bcdb4a6 2132__owur int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm);
413c4f45 2133
94a209d8 2134const SSL_CIPHER *SSL_CIPHER_find(SSL *ssl, const unsigned char *ptr);
98c9ce2f
DSH		 2135int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c);
2136int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c);
90134d98
BK		 2137int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len,
2138 int isv2format, STACK_OF(SSL_CIPHER) **sk,
2139 STACK_OF(SSL_CIPHER) **scsvs);
94a209d8 2140
12bf56c0 2141/* TLS extensions functions */
4bcdb4a6 2142__owur int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len);
12bf56c0 2143
2f8271eb
F		 2144__owur int SSL_set_session_ticket_ext_cb(SSL *s,
2145 tls_session_ticket_ext_cb_fn cb,
2146 void *arg);
12bf56c0
DSH		 2147
2148/* Pre-shared secret session resumption functions */
4bcdb4a6 2149__owur int SSL_set_session_secret_cb(SSL *s,
2f8271eb
F		 2150 tls_session_secret_cb_fn session_secret_cb,
2151 void *arg);
12bf56c0 2152
7c2d4fee 2153void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx,
0f113f3e
MC		 2154 int (*cb) (SSL *ssl,
2155 int
2156 is_forward_secure));
7c2d4fee
BM		 2157
2158void SSL_set_not_resumable_session_callback(SSL *ssl,
0f113f3e 2159 int (*cb) (SSL *ssl,
2f8271eb 2160 int is_forward_secure));
c649d10d
TS		 2161
2162void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx,
2163 size_t (*cb) (SSL *ssl, int type,
2164 size_t len, void *arg));
2165void SSL_CTX_set_record_padding_callback_arg(SSL_CTX *ctx, void *arg);
3499327b 2166void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX *ctx);
c649d10d
TS		 2167int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size);
2168
2169void SSL_set_record_padding_callback(SSL *ssl,
2170 size_t (*cb) (SSL *ssl, int type,
2171 size_t len, void *arg));
2172void SSL_set_record_padding_callback_arg(SSL *ssl, void *arg);
3499327b 2173void *SSL_get_record_padding_callback_arg(const SSL *ssl);
c649d10d
TS		 2174int SSL_set_block_padding(SSL *ssl, size_t block_size);
2175
9d0a8bb7 2176int SSL_set_num_tickets(SSL *s, size_t num_tickets);
3499327b 2177size_t SSL_get_num_tickets(const SSL *s);
9d0a8bb7 2178int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets);
3499327b 2179size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx);
9d0a8bb7 2180
00db8c60 2181# ifndef OPENSSL_NO_DEPRECATED_1_1_0
b577fd0b
DSH		 2182# define SSL_cache_hit(s) SSL_session_reused(s)
2183# endif
7c2d4fee 2184
c04b66b1 2185__owur int SSL_session_reused(const SSL *s);
69443116 2186__owur int SSL_is_server(const SSL *s);
5421196e 2187
4bcdb4a6 2188__owur __owur SSL_CONF_CTX *SSL_CONF_CTX_new(void);
ec2f7e56 2189int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx);
3db935a9
DSH		 2190void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx);
2191unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags);
2f8271eb
F		 2192__owur unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx,
2193 unsigned int flags);
4bcdb4a6 2194__owur int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre);
3db935a9
DSH		 2195
2196void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl);
2197void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx);
2198
4bcdb4a6
MC		 2199__owur int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value);
2200__owur int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv);
2201__owur int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd);
3db935a9 2202
59b1696c
DSH		 2203void SSL_add_ssl_module(void);
2204int SSL_config(SSL *s, const char *name);
2205int SSL_CTX_config(SSL_CTX *ctx, const char *name);
2206
0f113f3e 2207# ifndef OPENSSL_NO_SSL_TRACE
93ab9e42 2208void SSL_trace(int write_p, int version, int content_type,
0f113f3e 2209 const void *buf, size_t len, SSL *ssl, void *arg);
0f113f3e 2210# endif
93ab9e42 2211
f9e55034 2212# ifndef OPENSSL_NO_SOCK
3edeb622 2213int DTLSv1_listen(SSL *s, BIO_ADDR *client);
f9e55034 2214# endif
3edeb622 2215
ed29e82a
RP		 2216# ifndef OPENSSL_NO_CT
2217
43341433
VD		 2218/*
2219 * A callback for verifying that the received SCTs are sufficient.
2220 * Expected to return 1 if they are sufficient, otherwise 0.
2221 * May return a negative integer if an error occurs.
2222 * A connection should be aborted if the SCTs are deemed insufficient.
2223 */
2f8271eb
F		 2224typedef int (*ssl_ct_validation_cb)(const CT_POLICY_EVAL_CTX *ctx,
2225 const STACK_OF(SCT) *scts, void *arg);
43341433 2226
ed29e82a
RP		 2227/*
2228 * Sets a |callback| that is invoked upon receipt of ServerHelloDone to validate
2229 * the received SCTs.
2230 * If the callback returns a non-positive result, the connection is terminated.
2231 * Call this function before beginning a handshake.
2232 * If a NULL |callback| is provided, SCT validation is disabled.
2233 * |arg| is arbitrary userdata that will be passed to the callback whenever it
2234 * is invoked. Ownership of |arg| remains with the caller.
2235 *
2236 * NOTE: A side-effect of setting a CT callback is that an OCSP stapled response
2237 * will be requested.
2238 */
43341433
VD		 2239int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback,
2240 void *arg);
2241int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx,
2242 ssl_ct_validation_cb callback,
2243 void *arg);
2244#define SSL_disable_ct(s) \
2245 ((void) SSL_set_validation_callback((s), NULL, NULL))
2246#define SSL_CTX_disable_ct(ctx) \
2247 ((void) SSL_CTX_set_validation_callback((ctx), NULL, NULL))
2248
2249/*
2250 * The validation type enumerates the available behaviours of the built-in SSL
2251 * CT validation callback selected via SSL_enable_ct() and SSL_CTX_enable_ct().
2252 * The underlying callback is a static function in libssl.
2253 */
2254enum {
2255 SSL_CT_VALIDATION_PERMISSIVE = 0,
2256 SSL_CT_VALIDATION_STRICT
2257};
2258
2259/*
2260 * Enable CT by setting up a callback that implements one of the built-in
2261 * validation variants. The SSL_CT_VALIDATION_PERMISSIVE variant always
2262 * continues the handshake, the application can make appropriate decisions at
2263 * handshake completion. The SSL_CT_VALIDATION_STRICT variant requires at
2264 * least one valid SCT, or else handshake termination will be requested. The
2265 * handshake may continue anyway if SSL_VERIFY_NONE is in effect.
2266 */
2267int SSL_enable_ct(SSL *s, int validation_mode);
2268int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode);
2269
ed29e82a 2270/*
43341433 2271 * Report whether a non-NULL callback is enabled.
ed29e82a 2272 */
43341433
VD		 2273int SSL_ct_is_enabled(const SSL *s);
2274int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx);
ed29e82a
RP		 2275
2276/* Gets the SCTs received from a connection */
2277const STACK_OF(SCT) *SSL_get0_peer_scts(SSL *s);
2278
8359b57f
RP		 2279/*
2280 * Loads the CT log list from the default location.
2281 * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2282 * the log information loaded from this file will be appended to the
2283 * CTLOG_STORE.
2284 * Returns 1 on success, 0 otherwise.
2285 */
ed29e82a 2286int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx);
8359b57f
RP		 2287
2288/*
2289 * Loads the CT log list from the specified file path.
2290 * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2291 * the log information loaded from this file will be appended to the
2292 * CTLOG_STORE.
2293 * Returns 1 on success, 0 otherwise.
2294 */
ed29e82a
RP		 2295int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path);
2296
8359b57f
RP		 2297/*
2298 * Sets the CT log list used by all SSL connections created from this SSL_CTX.
2299 * Ownership of the CTLOG_STORE is transferred to the SSL_CTX.
2300 */
2301void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE *logs);
2302
2303/*
2304 * Gets the CT log list used by all SSL connections created from this SSL_CTX.
2305 * This will be NULL unless one of the following functions has been called:
2306 * - SSL_CTX_set_default_ctlog_list_file
2307 * - SSL_CTX_set_ctlog_list_file
2308 * - SSL_CTX_set_ctlog_store
2309 */
2310const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx);
2311
ed29e82a
RP		 2312# endif /* OPENSSL_NO_CT */
2313
b362ccab
DSH		 2314/* What the "other" parameter contains in security callback */
2315/* Mask for type */
0f113f3e
MC		 2316# define SSL_SECOP_OTHER_TYPE 0xffff0000
2317# define SSL_SECOP_OTHER_NONE 0
2318# define SSL_SECOP_OTHER_CIPHER (1 << 16)
2319# define SSL_SECOP_OTHER_CURVE (2 << 16)
2320# define SSL_SECOP_OTHER_DH (3 << 16)
2321# define SSL_SECOP_OTHER_PKEY (4 << 16)
2322# define SSL_SECOP_OTHER_SIGALG (5 << 16)
2323# define SSL_SECOP_OTHER_CERT (6 << 16)
b362ccab
DSH		 2324
2325/* Indicated operation refers to peer key or certificate */
0f113f3e 2326# define SSL_SECOP_PEER 0x1000
b362ccab
DSH		 2327
2328/* Values for "op" parameter in security callback */
2329
2330/* Called to filter ciphers */
2331/* Ciphers client supports */
0f113f3e 2332# define SSL_SECOP_CIPHER_SUPPORTED (1 | SSL_SECOP_OTHER_CIPHER)
b362ccab 2333/* Cipher shared by client/server */
0f113f3e 2334# define SSL_SECOP_CIPHER_SHARED (2 | SSL_SECOP_OTHER_CIPHER)
b362ccab 2335/* Sanity check of cipher server selects */
0f113f3e 2336# define SSL_SECOP_CIPHER_CHECK (3 | SSL_SECOP_OTHER_CIPHER)
b362ccab 2337/* Curves supported by client */
0f113f3e 2338# define SSL_SECOP_CURVE_SUPPORTED (4 | SSL_SECOP_OTHER_CURVE)
b362ccab 2339/* Curves shared by client/server */
0f113f3e 2340# define SSL_SECOP_CURVE_SHARED (5 | SSL_SECOP_OTHER_CURVE)
b362ccab 2341/* Sanity check of curve server selects */
0f113f3e 2342# define SSL_SECOP_CURVE_CHECK (6 | SSL_SECOP_OTHER_CURVE)
b362ccab 2343/* Temporary DH key */
e2b420fd 2344# define SSL_SECOP_TMP_DH (7 | SSL_SECOP_OTHER_PKEY)
b362ccab 2345/* SSL/TLS version */
0f113f3e 2346# define SSL_SECOP_VERSION (9 | SSL_SECOP_OTHER_NONE)
b362ccab 2347/* Session tickets */
0f113f3e 2348# define SSL_SECOP_TICKET (10 | SSL_SECOP_OTHER_NONE)
b362ccab 2349/* Supported signature algorithms sent to peer */
0f113f3e 2350# define SSL_SECOP_SIGALG_SUPPORTED (11 | SSL_SECOP_OTHER_SIGALG)
b362ccab 2351/* Shared signature algorithm */
0f113f3e 2352# define SSL_SECOP_SIGALG_SHARED (12 | SSL_SECOP_OTHER_SIGALG)
b362ccab 2353/* Sanity check signature algorithm allowed */
0f113f3e 2354# define SSL_SECOP_SIGALG_CHECK (13 | SSL_SECOP_OTHER_SIGALG)
b362ccab 2355/* Used to get mask of supported public key signature algorithms */
0f113f3e 2356# define SSL_SECOP_SIGALG_MASK (14 | SSL_SECOP_OTHER_SIGALG)
b362ccab 2357/* Use to see if compression is allowed */
0f113f3e 2358# define SSL_SECOP_COMPRESSION (15 | SSL_SECOP_OTHER_NONE)
b362ccab 2359/* EE key in certificate */
0f113f3e 2360# define SSL_SECOP_EE_KEY (16 | SSL_SECOP_OTHER_CERT)
b362ccab 2361/* CA key in certificate */
0f113f3e 2362# define SSL_SECOP_CA_KEY (17 | SSL_SECOP_OTHER_CERT)
b362ccab 2363/* CA digest algorithm in certificate */
0f113f3e 2364# define SSL_SECOP_CA_MD (18 | SSL_SECOP_OTHER_CERT)
b362ccab 2365/* Peer EE key in certificate */
0f113f3e 2366# define SSL_SECOP_PEER_EE_KEY (SSL_SECOP_EE_KEY | SSL_SECOP_PEER)
b362ccab 2367/* Peer CA key in certificate */
0f113f3e 2368# define SSL_SECOP_PEER_CA_KEY (SSL_SECOP_CA_KEY | SSL_SECOP_PEER)
b362ccab 2369/* Peer CA digest algorithm in certificate */
0f113f3e 2370# define SSL_SECOP_PEER_CA_MD (SSL_SECOP_CA_MD | SSL_SECOP_PEER)
b362ccab
DSH		 2371
2372void SSL_set_security_level(SSL *s, int level);
4bcdb4a6 2373__owur int SSL_get_security_level(const SSL *s);
0f113f3e 2374void SSL_set_security_callback(SSL *s,
2f8271eb
F		 2375 int (*cb) (const SSL *s, const SSL_CTX *ctx,
2376 int op, int bits, int nid,
2377 void *other, void *ex));
2378int (*SSL_get_security_callback(const SSL *s)) (const SSL *s,
2379 const SSL_CTX *ctx, int op,
2380 int bits, int nid, void *other,
2381 void *ex);
b362ccab 2382void SSL_set0_security_ex_data(SSL *s, void *ex);
4bcdb4a6 2383__owur void *SSL_get0_security_ex_data(const SSL *s);
b362ccab
DSH		 2384
2385void SSL_CTX_set_security_level(SSL_CTX *ctx, int level);
4bcdb4a6 2386__owur int SSL_CTX_get_security_level(const SSL_CTX *ctx);
0f113f3e 2387void SSL_CTX_set_security_callback(SSL_CTX *ctx,
2f8271eb
F		 2388 int (*cb) (const SSL *s, const SSL_CTX *ctx,
2389 int op, int bits, int nid,
2390 void *other, void *ex));
e4646a89
KR		 2391int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (const SSL *s,
2392 const SSL_CTX *ctx,
0f113f3e
MC		 2393 int op, int bits,
2394 int nid,
2395 void *other,
2396 void *ex);
b362ccab 2397void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex);
4bcdb4a6 2398__owur void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx);
b362ccab 2399
2c90015c 2400/* OPENSSL_INIT flag 0x010000 reserved for internal use */
2f8271eb
F		 2401# define OPENSSL_INIT_NO_LOAD_SSL_STRINGS 0x00100000L
2402# define OPENSSL_INIT_LOAD_SSL_STRINGS 0x00200000L
b184e3ef 2403
2f8271eb 2404# define OPENSSL_INIT_SSL_DEFAULT \
b184e3ef
MC		 2405 (OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS)
2406
0fc32b07 2407int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
b184e3ef 2408
0f113f3e 2409# ifndef OPENSSL_NO_UNIT_TEST
4bcdb4a6 2410__owur const struct openssl_ssl_test_functions *SSL_test_functions(void);
0f113f3e 2411# endif
e0fc7961 2412
a58eb06d
TS		 2413__owur int SSL_free_buffers(SSL *ssl);
2414__owur int SSL_alloc_buffers(SSL *ssl);
2415
61fb5923
MC		 2416/* Status codes passed to the decrypt session ticket callback. Some of these
2417 * are for internal use only and are never passed to the callback. */
2418typedef int SSL_TICKET_STATUS;
df0fed9a
TS		 2419
2420/* Support for ticket appdata */
2421/* fatal error, malloc failure */
2422# define SSL_TICKET_FATAL_ERR_MALLOC 0
2423/* fatal error, either from parsing or decrypting the ticket */
2424# define SSL_TICKET_FATAL_ERR_OTHER 1
2425/* No ticket present */
2426# define SSL_TICKET_NONE 2
2427/* Empty ticket present */
2428# define SSL_TICKET_EMPTY 3
2429/* the ticket couldn't be decrypted */
2430# define SSL_TICKET_NO_DECRYPT 4
2431/* a ticket was successfully decrypted */
2432# define SSL_TICKET_SUCCESS 5
2433/* same as above but the ticket needs to be renewed */
2434# define SSL_TICKET_SUCCESS_RENEW 6
2435
61fb5923
MC		 2436/* Return codes for the decrypt session ticket callback */
2437typedef int SSL_TICKET_RETURN;
2438
2439/* An error occurred */
2440#define SSL_TICKET_RETURN_ABORT 0
2441/* Do not use the ticket, do not send a renewed ticket to the client */
2442#define SSL_TICKET_RETURN_IGNORE 1
2443/* Do not use the ticket, send a renewed ticket to the client */
2444#define SSL_TICKET_RETURN_IGNORE_RENEW 2
2445/* Use the ticket, do not send a renewed ticket to the client */
2446#define SSL_TICKET_RETURN_USE 3
2447/* Use the ticket, send a renewed ticket to the client */
2448#define SSL_TICKET_RETURN_USE_RENEW 4
2449
df0fed9a
TS		 2450typedef int (*SSL_CTX_generate_session_ticket_fn)(SSL *s, void *arg);
2451typedef SSL_TICKET_RETURN (*SSL_CTX_decrypt_session_ticket_fn)(SSL *s, SSL_SESSION *ss,
2452 const unsigned char *keyname,
2453 size_t keyname_length,
61fb5923 2454 SSL_TICKET_STATUS status,
df0fed9a
TS		 2455 void *arg);
2456int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx,
2457 SSL_CTX_generate_session_ticket_fn gen_cb,
2458 SSL_CTX_decrypt_session_ticket_fn dec_cb,
2459 void *arg);
2460int SSL_SESSION_set1_ticket_appdata(SSL_SESSION *ss, const void *data, size_t len);
2461int SSL_SESSION_get0_ticket_appdata(SSL_SESSION *ss, void **data, size_t *len);
2462
fa4b82cc
AH		 2463typedef unsigned int (*DTLS_timer_cb)(SSL *s, unsigned int timer_us);
2464
2465void DTLS_set_timer_cb(SSL *s, DTLS_timer_cb cb);
2466
2467
c9598459
MC		 2468typedef int (*SSL_allow_early_data_cb_fn)(SSL *s, void *arg);
2469void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx,
2470 SSL_allow_early_data_cb_fn cb,
2471 void *arg);
2472void SSL_set_allow_early_data_cb(SSL *s,
2473 SSL_allow_early_data_cb_fn cb,
2474 void *arg);
2475
5d120511
TS		 2476/* store the default cipher strings inside the library */
2477const char *OSSL_default_cipher_list(void);
2478const char *OSSL_default_ciphersuites(void);
2479
0cd0a820 2480# ifdef __cplusplus
d02b48c6 2481}
0cd0a820 2482# endif
d02b48c6 2483#endif
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