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