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