2 * {- join("\n * ", @autowarntext) -}
4 * Copyright 1995-2022 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>
46 # ifndef OPENSSL_NO_STDIO
54 /* OpenSSL version number for ASN.1 encoding of the session information */
56 * Version 0 - initial version
57 * Version 1 - added the optional peer certificate
59 # define SSL_SESSION_ASN1_VERSION 0x0001
61 # define SSL_MAX_SSL_SESSION_ID_LENGTH 32
62 # define SSL_MAX_SID_CTX_LENGTH 32
64 # define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES (512/8)
65 # define SSL_MAX_KEY_ARG_LENGTH 8
66 /* SSL_MAX_MASTER_KEY_LENGTH is defined in prov_ssl.h */
68 /* The maximum number of encrypt/decrypt pipelines we can support */
69 # define SSL_MAX_PIPELINES 32
71 /* text strings for the ciphers */
73 /* These are used to specify which ciphers to use and not to use */
75 # define SSL_TXT_LOW "LOW"
76 # define SSL_TXT_MEDIUM "MEDIUM"
77 # define SSL_TXT_HIGH "HIGH"
78 # define SSL_TXT_FIPS "FIPS"
80 # define SSL_TXT_aNULL "aNULL"
81 # define SSL_TXT_eNULL "eNULL"
82 # define SSL_TXT_NULL "NULL"
84 # define SSL_TXT_kRSA "kRSA"
85 # define SSL_TXT_kDHr "kDHr"/* this cipher class has been removed */
86 # define SSL_TXT_kDHd "kDHd"/* this cipher class has been removed */
87 # define SSL_TXT_kDH "kDH"/* this cipher class has been removed */
88 # define SSL_TXT_kEDH "kEDH"/* alias for kDHE */
89 # define SSL_TXT_kDHE "kDHE"
90 # define SSL_TXT_kECDHr "kECDHr"/* this cipher class has been removed */
91 # define SSL_TXT_kECDHe "kECDHe"/* this cipher class has been removed */
92 # define SSL_TXT_kECDH "kECDH"/* this cipher class has been removed */
93 # define SSL_TXT_kEECDH "kEECDH"/* alias for kECDHE */
94 # define SSL_TXT_kECDHE "kECDHE"
95 # define SSL_TXT_kPSK "kPSK"
96 # define SSL_TXT_kRSAPSK "kRSAPSK"
97 # define SSL_TXT_kECDHEPSK "kECDHEPSK"
98 # define SSL_TXT_kDHEPSK "kDHEPSK"
99 # define SSL_TXT_kGOST "kGOST"
100 # define SSL_TXT_kGOST18 "kGOST18"
101 # define SSL_TXT_kSRP "kSRP"
103 # define SSL_TXT_aRSA "aRSA"
104 # define SSL_TXT_aDSS "aDSS"
105 # define SSL_TXT_aDH "aDH"/* this cipher class has been removed */
106 # define SSL_TXT_aECDH "aECDH"/* this cipher class has been removed */
107 # define SSL_TXT_aECDSA "aECDSA"
108 # define SSL_TXT_aPSK "aPSK"
109 # define SSL_TXT_aGOST94 "aGOST94"
110 # define SSL_TXT_aGOST01 "aGOST01"
111 # define SSL_TXT_aGOST12 "aGOST12"
112 # define SSL_TXT_aGOST "aGOST"
113 # define SSL_TXT_aSRP "aSRP"
115 # define SSL_TXT_DSS "DSS"
116 # define SSL_TXT_DH "DH"
117 # define SSL_TXT_DHE "DHE"/* same as "kDHE:-ADH" */
118 # define SSL_TXT_EDH "EDH"/* alias for DHE */
119 # define SSL_TXT_ADH "ADH"
120 # define SSL_TXT_RSA "RSA"
121 # define SSL_TXT_ECDH "ECDH"
122 # define SSL_TXT_EECDH "EECDH"/* alias for ECDHE" */
123 # define SSL_TXT_ECDHE "ECDHE"/* same as "kECDHE:-AECDH" */
124 # define SSL_TXT_AECDH "AECDH"
125 # define SSL_TXT_ECDSA "ECDSA"
126 # define SSL_TXT_PSK "PSK"
127 # define SSL_TXT_SRP "SRP"
129 # define SSL_TXT_DES "DES"
130 # define SSL_TXT_3DES "3DES"
131 # define SSL_TXT_RC4 "RC4"
132 # define SSL_TXT_RC2 "RC2"
133 # define SSL_TXT_IDEA "IDEA"
134 # define SSL_TXT_SEED "SEED"
135 # define SSL_TXT_AES128 "AES128"
136 # define SSL_TXT_AES256 "AES256"
137 # define SSL_TXT_AES "AES"
138 # define SSL_TXT_AES_GCM "AESGCM"
139 # define SSL_TXT_AES_CCM "AESCCM"
140 # define SSL_TXT_AES_CCM_8 "AESCCM8"
141 # define SSL_TXT_CAMELLIA128 "CAMELLIA128"
142 # define SSL_TXT_CAMELLIA256 "CAMELLIA256"
143 # define SSL_TXT_CAMELLIA "CAMELLIA"
144 # define SSL_TXT_CHACHA20 "CHACHA20"
145 # define SSL_TXT_GOST "GOST89"
146 # define SSL_TXT_ARIA "ARIA"
147 # define SSL_TXT_ARIA_GCM "ARIAGCM"
148 # define SSL_TXT_ARIA128 "ARIA128"
149 # define SSL_TXT_ARIA256 "ARIA256"
150 # define SSL_TXT_GOST2012_GOST8912_GOST8912 "GOST2012-GOST8912-GOST8912"
151 # define SSL_TXT_CBC "CBC"
153 # define SSL_TXT_MD5 "MD5"
154 # define SSL_TXT_SHA1 "SHA1"
155 # define SSL_TXT_SHA "SHA"/* same as "SHA1" */
156 # define SSL_TXT_GOST94 "GOST94"
157 # define SSL_TXT_GOST89MAC "GOST89MAC"
158 # define SSL_TXT_GOST12 "GOST12"
159 # define SSL_TXT_GOST89MAC12 "GOST89MAC12"
160 # define SSL_TXT_SHA256 "SHA256"
161 # define SSL_TXT_SHA384 "SHA384"
163 # define SSL_TXT_SSLV3 "SSLv3"
164 # define SSL_TXT_TLSV1 "TLSv1"
165 # define SSL_TXT_TLSV1_1 "TLSv1.1"
166 # define SSL_TXT_TLSV1_2 "TLSv1.2"
168 # define SSL_TXT_ALL "ALL"
171 * COMPLEMENTOF* definitions. These identifiers are used to (de-select)
172 * ciphers normally not being used.
173 * Example: "RC4" will activate all ciphers using RC4 including ciphers
174 * without authentication, which would normally disabled by DEFAULT (due
175 * the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT"
176 * will make sure that it is also disabled in the specific selection.
177 * COMPLEMENTOF* identifiers are portable between version, as adjustments
178 * to the default cipher setup will also be included here.
180 * COMPLEMENTOFDEFAULT does not experience the same special treatment that
181 * DEFAULT gets, as only selection is being done and no sorting as needed
184 # define SSL_TXT_CMPALL "COMPLEMENTOFALL"
185 # define SSL_TXT_CMPDEF "COMPLEMENTOFDEFAULT"
188 * The following cipher list is used by default. It also is substituted when
189 * an application-defined cipher list string starts with 'DEFAULT'.
190 * This applies to ciphersuites for TLSv1.2 and below.
191 * DEPRECATED IN 3.0.0, in favor of OSSL_default_cipher_list()
192 * Update both macro and function simultaneously
194 # ifndef OPENSSL_NO_DEPRECATED_3_0
195 # define SSL_DEFAULT_CIPHER_LIST "ALL:!COMPLEMENTOFDEFAULT:!eNULL"
197 * This is the default set of TLSv1.3 ciphersuites
198 * DEPRECATED IN 3.0.0, in favor of OSSL_default_ciphersuites()
199 * Update both macro and function simultaneously
201 # define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \
202 "TLS_CHACHA20_POLY1305_SHA256:" \
203 "TLS_AES_128_GCM_SHA256"
206 * As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always
207 * starts with a reasonable order, and all we have to do for DEFAULT is
208 * throwing out anonymous and unencrypted ciphersuites! (The latter are not
209 * actually enabled by ALL, but "ALL:RSA" would enable some of them.)
212 /* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
213 # define SSL_SENT_SHUTDOWN 1
214 # define SSL_RECEIVED_SHUTDOWN 2
224 # define SSL_FILETYPE_ASN1 X509_FILETYPE_ASN1
225 # define SSL_FILETYPE_PEM X509_FILETYPE_PEM
228 * This is needed to stop compilers complaining about the 'struct ssl_st *'
229 * function parameters used to prototype callbacks in SSL_CTX.
231 typedef struct ssl_st *ssl_crock_st;
232 typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
233 typedef struct ssl_method_st SSL_METHOD;
234 typedef struct ssl_cipher_st SSL_CIPHER;
235 typedef struct ssl_session_st SSL_SESSION;
236 typedef struct tls_sigalgs_st TLS_SIGALGS;
237 typedef struct ssl_conf_ctx_st SSL_CONF_CTX;
238 typedef struct ssl_comp_st SSL_COMP;
240 STACK_OF(SSL_CIPHER);
243 /* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/
244 typedef struct srtp_protection_profile_st {
247 } SRTP_PROTECTION_PROFILE;
249 generate_stack_macros("SRTP_PROTECTION_PROFILE");
253 typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data,
255 typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len,
256 STACK_OF(SSL_CIPHER) *peer_ciphers,
257 const SSL_CIPHER **cipher, void *arg);
259 /* Extension context codes */
260 /* This extension is only allowed in TLS */
261 #define SSL_EXT_TLS_ONLY 0x0001
262 /* This extension is only allowed in DTLS */
263 #define SSL_EXT_DTLS_ONLY 0x0002
264 /* Some extensions may be allowed in DTLS but we don't implement them for it */
265 #define SSL_EXT_TLS_IMPLEMENTATION_ONLY 0x0004
266 /* Most extensions are not defined for SSLv3 but EXT_TYPE_renegotiate is */
267 #define SSL_EXT_SSL3_ALLOWED 0x0008
268 /* Extension is only defined for TLS1.2 and below */
269 #define SSL_EXT_TLS1_2_AND_BELOW_ONLY 0x0010
270 /* Extension is only defined for TLS1.3 and above */
271 #define SSL_EXT_TLS1_3_ONLY 0x0020
272 /* Ignore this extension during parsing if we are resuming */
273 #define SSL_EXT_IGNORE_ON_RESUMPTION 0x0040
274 #define SSL_EXT_CLIENT_HELLO 0x0080
275 /* Really means TLS1.2 or below */
276 #define SSL_EXT_TLS1_2_SERVER_HELLO 0x0100
277 #define SSL_EXT_TLS1_3_SERVER_HELLO 0x0200
278 #define SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS 0x0400
279 #define SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST 0x0800
280 #define SSL_EXT_TLS1_3_CERTIFICATE 0x1000
281 #define SSL_EXT_TLS1_3_NEW_SESSION_TICKET 0x2000
282 #define SSL_EXT_TLS1_3_CERTIFICATE_REQUEST 0x4000
284 /* Typedefs for handling custom extensions */
286 typedef int (*custom_ext_add_cb)(SSL *s, unsigned int ext_type,
287 const unsigned char **out, size_t *outlen,
288 int *al, void *add_arg);
290 typedef void (*custom_ext_free_cb)(SSL *s, unsigned int ext_type,
291 const unsigned char *out, void *add_arg);
293 typedef int (*custom_ext_parse_cb)(SSL *s, unsigned int ext_type,
294 const unsigned char *in, size_t inlen,
295 int *al, void *parse_arg);
298 typedef int (*SSL_custom_ext_add_cb_ex)(SSL *s, unsigned int ext_type,
299 unsigned int context,
300 const unsigned char **out,
301 size_t *outlen, X509 *x,
303 int *al, void *add_arg);
305 typedef void (*SSL_custom_ext_free_cb_ex)(SSL *s, unsigned int ext_type,
306 unsigned int context,
307 const unsigned char *out,
310 typedef int (*SSL_custom_ext_parse_cb_ex)(SSL *s, unsigned int ext_type,
311 unsigned int context,
312 const unsigned char *in,
313 size_t inlen, X509 *x,
315 int *al, void *parse_arg);
317 /* Typedef for verification callback */
318 typedef int (*SSL_verify_cb)(int preverify_ok, X509_STORE_CTX *x509_ctx);
320 /* Typedef for SSL async callback */
321 typedef int (*SSL_async_callback_fn)(SSL *s, void *arg);
323 #define SSL_OP_BIT(n) ((uint64_t)1 << (uint64_t)n)
326 * SSL/TLS connection options.
328 /* Disable Extended master secret */
329 # define SSL_OP_NO_EXTENDED_MASTER_SECRET SSL_OP_BIT(0)
330 /* Cleanse plaintext copies of data delivered to the application */
331 # define SSL_OP_CLEANSE_PLAINTEXT SSL_OP_BIT(1)
332 /* Allow initial connection to servers that don't support RI */
333 # define SSL_OP_LEGACY_SERVER_CONNECT SSL_OP_BIT(2)
334 /* Enable support for Kernel TLS */
335 # define SSL_OP_ENABLE_KTLS SSL_OP_BIT(3)
336 # define SSL_OP_TLSEXT_PADDING SSL_OP_BIT(4)
337 # define SSL_OP_SAFARI_ECDHE_ECDSA_BUG SSL_OP_BIT(6)
338 # define SSL_OP_IGNORE_UNEXPECTED_EOF SSL_OP_BIT(7)
339 # define SSL_OP_ALLOW_CLIENT_RENEGOTIATION SSL_OP_BIT(8)
340 # define SSL_OP_DISABLE_TLSEXT_CA_NAMES SSL_OP_BIT(9)
341 /* In TLSv1.3 allow a non-(ec)dhe based kex_mode */
342 # define SSL_OP_ALLOW_NO_DHE_KEX SSL_OP_BIT(10)
344 * Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added
345 * in OpenSSL 0.9.6d. Usually (depending on the application protocol)
346 * the workaround is not needed. Unfortunately some broken SSL/TLS
347 * implementations cannot handle it at all, which is why we include it
348 * in SSL_OP_ALL. Added in 0.9.6e
350 # define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS SSL_OP_BIT(11)
352 # define SSL_OP_NO_QUERY_MTU SSL_OP_BIT(12)
353 /* Turn on Cookie Exchange (on relevant for servers) */
354 # define SSL_OP_COOKIE_EXCHANGE SSL_OP_BIT(13)
355 /* Don't use RFC4507 ticket extension */
356 # define SSL_OP_NO_TICKET SSL_OP_BIT(14)
357 # ifndef OPENSSL_NO_DTLS1_METHOD
359 * Use Cisco's version identifier of DTLS_BAD_VER
360 * (only with deprecated DTLSv1_client_method())
362 # define SSL_OP_CISCO_ANYCONNECT SSL_OP_BIT(15)
364 /* As server, disallow session resumption on renegotiation */
365 # define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION SSL_OP_BIT(16)
366 /* Don't use compression even if supported */
367 # define SSL_OP_NO_COMPRESSION SSL_OP_BIT(17)
368 /* Permit unsafe legacy renegotiation */
369 # define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION SSL_OP_BIT(18)
370 /* Disable encrypt-then-mac */
371 # define SSL_OP_NO_ENCRYPT_THEN_MAC SSL_OP_BIT(19)
373 * Enable TLSv1.3 Compatibility mode. This is on by default. A future
374 * version of OpenSSL may have this disabled by default.
376 # define SSL_OP_ENABLE_MIDDLEBOX_COMPAT SSL_OP_BIT(20)
378 * Prioritize Chacha20Poly1305 when client does.
379 * Modifies SSL_OP_CIPHER_SERVER_PREFERENCE
381 # define SSL_OP_PRIORITIZE_CHACHA SSL_OP_BIT(21)
383 * Set on servers to choose the cipher according to server's preferences.
385 # define SSL_OP_CIPHER_SERVER_PREFERENCE SSL_OP_BIT(22)
387 * If set, a server will allow a client to issue a SSLv3.0 version
388 * number as latest version supported in the premaster secret, even when
389 * TLSv1.0 (version 3.1) was announced in the client hello. Normally
390 * this is forbidden to prevent version rollback attacks.
392 # define SSL_OP_TLS_ROLLBACK_BUG SSL_OP_BIT(23)
394 * Switches off automatic TLSv1.3 anti-replay protection for early data.
395 * This is a server-side option only (no effect on the client).
397 # define SSL_OP_NO_ANTI_REPLAY SSL_OP_BIT(24)
398 # define SSL_OP_NO_SSLv3 SSL_OP_BIT(25)
399 # define SSL_OP_NO_TLSv1 SSL_OP_BIT(26)
400 # define SSL_OP_NO_TLSv1_2 SSL_OP_BIT(27)
401 # define SSL_OP_NO_TLSv1_1 SSL_OP_BIT(28)
402 # define SSL_OP_NO_TLSv1_3 SSL_OP_BIT(29)
403 # define SSL_OP_NO_DTLSv1 SSL_OP_BIT(26)
404 # define SSL_OP_NO_DTLSv1_2 SSL_OP_BIT(27)
405 /* Disallow all renegotiation */
406 # define SSL_OP_NO_RENEGOTIATION SSL_OP_BIT(30)
408 * Make server add server-hello extension from early version of
409 * cryptopro draft, when GOST ciphersuite is negotiated. Required for
410 * interoperability with CryptoPro CSP 3.x
412 # define SSL_OP_CRYPTOPRO_TLSEXT_BUG SSL_OP_BIT(31)
415 * Option "collections."
417 # define SSL_OP_NO_SSL_MASK \
418 ( SSL_OP_NO_SSLv3 | SSL_OP_NO_TLSv1 | SSL_OP_NO_TLSv1_1 \
419 | SSL_OP_NO_TLSv1_2 | SSL_OP_NO_TLSv1_3 )
420 # define SSL_OP_NO_DTLS_MASK \
421 ( SSL_OP_NO_DTLSv1 | SSL_OP_NO_DTLSv1_2 )
423 /* Various bug workarounds that should be rather harmless. */
424 # define SSL_OP_ALL \
425 ( SSL_OP_CRYPTOPRO_TLSEXT_BUG | SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS \
426 | SSL_OP_TLSEXT_PADDING | SSL_OP_SAFARI_ECDHE_ECDSA_BUG )
429 * OBSOLETE OPTIONS retained for compatibility
432 # define SSL_OP_MICROSOFT_SESS_ID_BUG 0x0
433 # define SSL_OP_NETSCAPE_CHALLENGE_BUG 0x0
434 # define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG 0x0
435 # define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG 0x0
436 # define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER 0x0
437 # define SSL_OP_MSIE_SSLV2_RSA_PADDING 0x0
438 # define SSL_OP_SSLEAY_080_CLIENT_DH_BUG 0x0
439 # define SSL_OP_TLS_D5_BUG 0x0
440 # define SSL_OP_TLS_BLOCK_PADDING_BUG 0x0
441 # define SSL_OP_SINGLE_ECDH_USE 0x0
442 # define SSL_OP_SINGLE_DH_USE 0x0
443 # define SSL_OP_EPHEMERAL_RSA 0x0
444 # define SSL_OP_NO_SSLv2 0x0
445 # define SSL_OP_PKCS1_CHECK_1 0x0
446 # define SSL_OP_PKCS1_CHECK_2 0x0
447 # define SSL_OP_NETSCAPE_CA_DN_BUG 0x0
448 # define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG 0x0
451 * Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
452 * when just a single record has been written):
454 # define SSL_MODE_ENABLE_PARTIAL_WRITE 0x00000001U
456 * Make it possible to retry SSL_write() with changed buffer location (buffer
457 * contents must stay the same!); this is not the default to avoid the
458 * misconception that non-blocking SSL_write() behaves like non-blocking
461 # define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002U
463 * Never bother the application with retries if the transport is blocking:
465 # define SSL_MODE_AUTO_RETRY 0x00000004U
466 /* Don't attempt to automatically build certificate chain */
467 # define SSL_MODE_NO_AUTO_CHAIN 0x00000008U
469 * Save RAM by releasing read and write buffers when they're empty. (SSL3 and
470 * TLS only.) Released buffers are freed.
472 # define SSL_MODE_RELEASE_BUFFERS 0x00000010U
474 * Send the current time in the Random fields of the ClientHello and
475 * ServerHello records for compatibility with hypothetical implementations
478 # define SSL_MODE_SEND_CLIENTHELLO_TIME 0x00000020U
479 # define SSL_MODE_SEND_SERVERHELLO_TIME 0x00000040U
481 * Send TLS_FALLBACK_SCSV in the ClientHello. To be set only by applications
482 * that reconnect with a downgraded protocol version; see
483 * draft-ietf-tls-downgrade-scsv-00 for details. DO NOT ENABLE THIS if your
484 * application attempts a normal handshake. Only use this in explicit
485 * fallback retries, following the guidance in
486 * draft-ietf-tls-downgrade-scsv-00.
488 # define SSL_MODE_SEND_FALLBACK_SCSV 0x00000080U
490 * Support Asynchronous operation
492 # define SSL_MODE_ASYNC 0x00000100U
495 * When using DTLS/SCTP, include the terminating zero in the label
496 * used for computing the endpoint-pair shared secret. Required for
497 * interoperability with implementations having this bug like these
498 * older version of OpenSSL:
499 * - OpenSSL 1.0.0 series
500 * - OpenSSL 1.0.1 series
501 * - OpenSSL 1.0.2 series
502 * - OpenSSL 1.1.0 series
503 * - OpenSSL 1.1.1 and 1.1.1a
505 # define SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG 0x00000400U
507 /* Cert related flags */
509 * Many implementations ignore some aspects of the TLS standards such as
510 * enforcing certificate chain algorithms. When this is set we enforce them.
512 # define SSL_CERT_FLAG_TLS_STRICT 0x00000001U
514 /* Suite B modes, takes same values as certificate verify flags */
515 # define SSL_CERT_FLAG_SUITEB_128_LOS_ONLY 0x10000
516 /* Suite B 192 bit only mode */
517 # define SSL_CERT_FLAG_SUITEB_192_LOS 0x20000
518 /* Suite B 128 bit mode allowing 192 bit algorithms */
519 # define SSL_CERT_FLAG_SUITEB_128_LOS 0x30000
521 /* Perform all sorts of protocol violations for testing purposes */
522 # define SSL_CERT_FLAG_BROKEN_PROTOCOL 0x10000000
524 /* Flags for building certificate chains */
525 /* Treat any existing certificates as untrusted CAs */
526 # define SSL_BUILD_CHAIN_FLAG_UNTRUSTED 0x1
527 /* Don't include root CA in chain */
528 # define SSL_BUILD_CHAIN_FLAG_NO_ROOT 0x2
529 /* Just check certificates already there */
530 # define SSL_BUILD_CHAIN_FLAG_CHECK 0x4
531 /* Ignore verification errors */
532 # define SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR 0x8
533 /* Clear verification errors from queue */
534 # define SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR 0x10
536 /* Flags returned by SSL_check_chain */
537 /* Certificate can be used with this session */
538 # define CERT_PKEY_VALID 0x1
539 /* Certificate can also be used for signing */
540 # define CERT_PKEY_SIGN 0x2
541 /* EE certificate signing algorithm OK */
542 # define CERT_PKEY_EE_SIGNATURE 0x10
543 /* CA signature algorithms OK */
544 # define CERT_PKEY_CA_SIGNATURE 0x20
545 /* EE certificate parameters OK */
546 # define CERT_PKEY_EE_PARAM 0x40
547 /* CA certificate parameters OK */
548 # define CERT_PKEY_CA_PARAM 0x80
549 /* Signing explicitly allowed as opposed to SHA1 fallback */
550 # define CERT_PKEY_EXPLICIT_SIGN 0x100
551 /* Client CA issuer names match (always set for server cert) */
552 # define CERT_PKEY_ISSUER_NAME 0x200
553 /* Cert type matches client types (always set for server cert) */
554 # define CERT_PKEY_CERT_TYPE 0x400
555 /* Cert chain suitable to Suite B */
556 # define CERT_PKEY_SUITEB 0x800
558 # define SSL_CONF_FLAG_CMDLINE 0x1
559 # define SSL_CONF_FLAG_FILE 0x2
560 # define SSL_CONF_FLAG_CLIENT 0x4
561 # define SSL_CONF_FLAG_SERVER 0x8
562 # define SSL_CONF_FLAG_SHOW_ERRORS 0x10
563 # define SSL_CONF_FLAG_CERTIFICATE 0x20
564 # define SSL_CONF_FLAG_REQUIRE_PRIVATE 0x40
565 /* Configuration value types */
566 # define SSL_CONF_TYPE_UNKNOWN 0x0
567 # define SSL_CONF_TYPE_STRING 0x1
568 # define SSL_CONF_TYPE_FILE 0x2
569 # define SSL_CONF_TYPE_DIR 0x3
570 # define SSL_CONF_TYPE_NONE 0x4
571 # define SSL_CONF_TYPE_STORE 0x5
573 /* Maximum length of the application-controlled segment of a a TLSv1.3 cookie */
574 # define SSL_COOKIE_LENGTH 4096
577 * Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value, they
578 * cannot be used to clear bits.
581 uint64_t SSL_CTX_get_options(const SSL_CTX *ctx);
582 uint64_t SSL_get_options(const SSL *s);
583 uint64_t SSL_CTX_clear_options(SSL_CTX *ctx, uint64_t op);
584 uint64_t SSL_clear_options(SSL *s, uint64_t op);
585 uint64_t SSL_CTX_set_options(SSL_CTX *ctx, uint64_t op);
586 uint64_t SSL_set_options(SSL *s, uint64_t op);
588 # define SSL_CTX_set_mode(ctx,op) \
589 SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
590 # define SSL_CTX_clear_mode(ctx,op) \
591 SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
592 # define SSL_CTX_get_mode(ctx) \
593 SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
594 # define SSL_clear_mode(ssl,op) \
595 SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
596 # define SSL_set_mode(ssl,op) \
597 SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
598 # define SSL_get_mode(ssl) \
599 SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
600 # define SSL_set_mtu(ssl, mtu) \
601 SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
602 # define DTLS_set_link_mtu(ssl, mtu) \
603 SSL_ctrl((ssl),DTLS_CTRL_SET_LINK_MTU,(mtu),NULL)
604 # define DTLS_get_link_min_mtu(ssl) \
605 SSL_ctrl((ssl),DTLS_CTRL_GET_LINK_MIN_MTU,0,NULL)
607 # define SSL_get_secure_renegotiation_support(ssl) \
608 SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
610 # define SSL_CTX_set_cert_flags(ctx,op) \
611 SSL_CTX_ctrl((ctx),SSL_CTRL_CERT_FLAGS,(op),NULL)
612 # define SSL_set_cert_flags(s,op) \
613 SSL_ctrl((s),SSL_CTRL_CERT_FLAGS,(op),NULL)
614 # define SSL_CTX_clear_cert_flags(ctx,op) \
615 SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
616 # define SSL_clear_cert_flags(s,op) \
617 SSL_ctrl((s),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
619 void SSL_CTX_set_msg_callback(SSL_CTX *ctx,
620 void (*cb) (int write_p, int version,
621 int content_type, const void *buf,
622 size_t len, SSL *ssl, void *arg));
623 void SSL_set_msg_callback(SSL *ssl,
624 void (*cb) (int write_p, int version,
625 int content_type, const void *buf,
626 size_t len, SSL *ssl, void *arg));
627 # define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
628 # define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
630 # define SSL_get_extms_support(s) \
631 SSL_ctrl((s),SSL_CTRL_GET_EXTMS_SUPPORT,0,NULL)
633 # ifndef OPENSSL_NO_SRP
635 # ifndef OPENSSL_NO_DEPRECATED_3_0
636 OSSL_DEPRECATEDIN_3_0 __owur int SSL_SRP_CTX_init(SSL *s);
637 OSSL_DEPRECATEDIN_3_0 __owur int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx);
638 OSSL_DEPRECATEDIN_3_0 int SSL_SRP_CTX_free(SSL *ctx);
639 OSSL_DEPRECATEDIN_3_0 int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx);
640 OSSL_DEPRECATEDIN_3_0 __owur int SSL_srp_server_param_with_username(SSL *s,
642 OSSL_DEPRECATEDIN_3_0 __owur int SRP_Calc_A_param(SSL *s);
646 /* 100k max cert list */
647 # define SSL_MAX_CERT_LIST_DEFAULT (1024*100)
649 # define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT (1024*20)
652 * This callback type is used inside SSL_CTX, SSL, and in the functions that
653 * set them. It is used to override the generation of SSL/TLS session IDs in
654 * a server. Return value should be zero on an error, non-zero to proceed.
655 * Also, callbacks should themselves check if the id they generate is unique
656 * otherwise the SSL handshake will fail with an error - callbacks can do
657 * this using the 'ssl' value they're passed by;
658 * SSL_has_matching_session_id(ssl, id, *id_len) The length value passed in
659 * is set at the maximum size the session ID can be. In SSLv3/TLSv1 it is 32
660 * bytes. The callback can alter this length to be less if desired. It is
661 * also an error for the callback to set the size to zero.
663 typedef int (*GEN_SESSION_CB) (SSL *ssl, unsigned char *id,
664 unsigned int *id_len);
666 # define SSL_SESS_CACHE_OFF 0x0000
667 # define SSL_SESS_CACHE_CLIENT 0x0001
668 # define SSL_SESS_CACHE_SERVER 0x0002
669 # define SSL_SESS_CACHE_BOTH (SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER)
670 # define SSL_SESS_CACHE_NO_AUTO_CLEAR 0x0080
671 /* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
672 # define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP 0x0100
673 # define SSL_SESS_CACHE_NO_INTERNAL_STORE 0x0200
674 # define SSL_SESS_CACHE_NO_INTERNAL \
675 (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE)
676 # define SSL_SESS_CACHE_UPDATE_TIME 0x0400
678 LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx);
679 # define SSL_CTX_sess_number(ctx) \
680 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
681 # define SSL_CTX_sess_connect(ctx) \
682 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
683 # define SSL_CTX_sess_connect_good(ctx) \
684 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
685 # define SSL_CTX_sess_connect_renegotiate(ctx) \
686 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
687 # define SSL_CTX_sess_accept(ctx) \
688 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
689 # define SSL_CTX_sess_accept_renegotiate(ctx) \
690 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
691 # define SSL_CTX_sess_accept_good(ctx) \
692 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
693 # define SSL_CTX_sess_hits(ctx) \
694 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
695 # define SSL_CTX_sess_cb_hits(ctx) \
696 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
697 # define SSL_CTX_sess_misses(ctx) \
698 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
699 # define SSL_CTX_sess_timeouts(ctx) \
700 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
701 # define SSL_CTX_sess_cache_full(ctx) \
702 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
704 void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
705 int (*new_session_cb) (struct ssl_st *ssl,
707 int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx)) (struct ssl_st *ssl,
709 void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
710 void (*remove_session_cb) (struct ssl_ctx_st
713 void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx)) (struct ssl_ctx_st *ctx,
715 void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
716 SSL_SESSION *(*get_session_cb) (struct ssl_st
721 SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx)) (struct ssl_st *ssl,
722 const unsigned char *data,
724 void SSL_CTX_set_info_callback(SSL_CTX *ctx,
725 void (*cb) (const SSL *ssl, int type, int val));
726 void (*SSL_CTX_get_info_callback(SSL_CTX *ctx)) (const SSL *ssl, int type,
728 void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
729 int (*client_cert_cb) (SSL *ssl, X509 **x509,
731 int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx)) (SSL *ssl, X509 **x509,
733 # ifndef OPENSSL_NO_ENGINE
734 __owur int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e);
736 void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
737 int (*app_gen_cookie_cb) (SSL *ssl,
742 void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
743 int (*app_verify_cookie_cb) (SSL *ssl,
749 void SSL_CTX_set_stateless_cookie_generate_cb(
751 int (*gen_stateless_cookie_cb) (SSL *ssl,
752 unsigned char *cookie,
753 size_t *cookie_len));
754 void SSL_CTX_set_stateless_cookie_verify_cb(
756 int (*verify_stateless_cookie_cb) (SSL *ssl,
757 const unsigned char *cookie,
759 # ifndef OPENSSL_NO_NEXTPROTONEG
761 typedef int (*SSL_CTX_npn_advertised_cb_func)(SSL *ssl,
762 const unsigned char **out,
763 unsigned int *outlen,
765 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s,
766 SSL_CTX_npn_advertised_cb_func cb,
768 # define SSL_CTX_set_npn_advertised_cb SSL_CTX_set_next_protos_advertised_cb
770 typedef int (*SSL_CTX_npn_select_cb_func)(SSL *s,
772 unsigned char *outlen,
773 const unsigned char *in,
776 void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s,
777 SSL_CTX_npn_select_cb_func cb,
779 # define SSL_CTX_set_npn_select_cb SSL_CTX_set_next_proto_select_cb
781 void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data,
783 # define SSL_get0_npn_negotiated SSL_get0_next_proto_negotiated
786 __owur int SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
787 const unsigned char *in, unsigned int inlen,
788 const unsigned char *client,
789 unsigned int client_len);
791 # define OPENSSL_NPN_UNSUPPORTED 0
792 # define OPENSSL_NPN_NEGOTIATED 1
793 # define OPENSSL_NPN_NO_OVERLAP 2
795 __owur int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos,
796 unsigned int protos_len);
797 __owur int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos,
798 unsigned int protos_len);
799 typedef int (*SSL_CTX_alpn_select_cb_func)(SSL *ssl,
800 const unsigned char **out,
801 unsigned char *outlen,
802 const unsigned char *in,
805 void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
806 SSL_CTX_alpn_select_cb_func cb,
808 void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
811 # ifndef OPENSSL_NO_PSK
813 * the maximum length of the buffer given to callbacks containing the
814 * resulting identity/psk
816 # define PSK_MAX_IDENTITY_LEN 256
817 # define PSK_MAX_PSK_LEN 512
818 typedef unsigned int (*SSL_psk_client_cb_func)(SSL *ssl,
821 unsigned int max_identity_len,
823 unsigned int max_psk_len);
824 void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb);
825 void SSL_set_psk_client_callback(SSL *ssl, SSL_psk_client_cb_func cb);
827 typedef unsigned int (*SSL_psk_server_cb_func)(SSL *ssl,
828 const char *identity,
830 unsigned int max_psk_len);
831 void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb);
832 void SSL_set_psk_server_callback(SSL *ssl, SSL_psk_server_cb_func cb);
834 __owur int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint);
835 __owur int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint);
836 const char *SSL_get_psk_identity_hint(const SSL *s);
837 const char *SSL_get_psk_identity(const SSL *s);
840 typedef int (*SSL_psk_find_session_cb_func)(SSL *ssl,
841 const unsigned char *identity,
844 typedef int (*SSL_psk_use_session_cb_func)(SSL *ssl, const EVP_MD *md,
845 const unsigned char **id,
849 void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb);
850 void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx,
851 SSL_psk_find_session_cb_func cb);
852 void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb);
853 void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx,
854 SSL_psk_use_session_cb_func cb);
856 /* Register callbacks to handle custom TLS Extensions for client or server. */
858 __owur int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx,
859 unsigned int ext_type);
861 __owur int SSL_CTX_add_client_custom_ext(SSL_CTX *ctx,
862 unsigned int ext_type,
863 custom_ext_add_cb add_cb,
864 custom_ext_free_cb free_cb,
866 custom_ext_parse_cb parse_cb,
869 __owur int SSL_CTX_add_server_custom_ext(SSL_CTX *ctx,
870 unsigned int ext_type,
871 custom_ext_add_cb add_cb,
872 custom_ext_free_cb free_cb,
874 custom_ext_parse_cb parse_cb,
877 __owur int SSL_CTX_add_custom_ext(SSL_CTX *ctx, unsigned int ext_type,
878 unsigned int context,
879 SSL_custom_ext_add_cb_ex add_cb,
880 SSL_custom_ext_free_cb_ex free_cb,
882 SSL_custom_ext_parse_cb_ex parse_cb,
885 __owur int SSL_extension_supported(unsigned int ext_type);
887 # define SSL_NOTHING 1
888 # define SSL_WRITING 2
889 # define SSL_READING 3
890 # define SSL_X509_LOOKUP 4
891 # define SSL_ASYNC_PAUSED 5
892 # define SSL_ASYNC_NO_JOBS 6
893 # define SSL_CLIENT_HELLO_CB 7
894 # define SSL_RETRY_VERIFY 8
896 /* These will only be used when doing non-blocking IO */
897 # define SSL_want_nothing(s) (SSL_want(s) == SSL_NOTHING)
898 # define SSL_want_read(s) (SSL_want(s) == SSL_READING)
899 # define SSL_want_write(s) (SSL_want(s) == SSL_WRITING)
900 # define SSL_want_x509_lookup(s) (SSL_want(s) == SSL_X509_LOOKUP)
901 # define SSL_want_retry_verify(s) (SSL_want(s) == SSL_RETRY_VERIFY)
902 # define SSL_want_async(s) (SSL_want(s) == SSL_ASYNC_PAUSED)
903 # define SSL_want_async_job(s) (SSL_want(s) == SSL_ASYNC_NO_JOBS)
904 # define SSL_want_client_hello_cb(s) (SSL_want(s) == SSL_CLIENT_HELLO_CB)
906 # define SSL_MAC_FLAG_READ_MAC_STREAM 1
907 # define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
908 # define SSL_MAC_FLAG_READ_MAC_TLSTREE 4
909 # define SSL_MAC_FLAG_WRITE_MAC_TLSTREE 8
912 * A callback for logging out TLS key material. This callback should log out
913 * |line| followed by a newline.
915 typedef void (*SSL_CTX_keylog_cb_func)(const SSL *ssl, const char *line);
918 * SSL_CTX_set_keylog_callback configures a callback to log key material. This
919 * is intended for debugging use with tools like Wireshark. The cb function
920 * should log line followed by a newline.
922 void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb);
925 * SSL_CTX_get_keylog_callback returns the callback configured by
926 * SSL_CTX_set_keylog_callback.
928 SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx);
930 int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data);
931 uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx);
932 int SSL_set_max_early_data(SSL *s, uint32_t max_early_data);
933 uint32_t SSL_get_max_early_data(const SSL *s);
934 int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data);
935 uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx);
936 int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data);
937 uint32_t SSL_get_recv_max_early_data(const SSL *s);
943 # include <openssl/ssl2.h>
944 # include <openssl/ssl3.h>
945 # include <openssl/tls1.h> /* This is mostly sslv3 with a few tweaks */
946 # include <openssl/dtls1.h> /* Datagram TLS */
947 # include <openssl/srtp.h> /* Support for the use_srtp extension */
948 # include <openssl/quic.h>
955 * These need to be after the above set of includes due to a compiler bug
956 * in VisualStudio 2015
959 generate_const_stack_macros("SSL_CIPHER")
960 .generate_stack_macros("SSL_COMP");
964 # define SSL_set_app_data(s,arg) (SSL_set_ex_data(s,0,(char *)(arg)))
965 # define SSL_get_app_data(s) (SSL_get_ex_data(s,0))
966 # define SSL_SESSION_set_app_data(s,a) (SSL_SESSION_set_ex_data(s,0, \
968 # define SSL_SESSION_get_app_data(s) (SSL_SESSION_get_ex_data(s,0))
969 # define SSL_CTX_get_app_data(ctx) (SSL_CTX_get_ex_data(ctx,0))
970 # define SSL_CTX_set_app_data(ctx,arg) (SSL_CTX_set_ex_data(ctx,0, \
972 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
973 OSSL_DEPRECATEDIN_1_1_0 void SSL_set_debug(SSL *s, int debug);
976 /* TLSv1.3 KeyUpdate message types */
977 /* -1 used so that this is an invalid value for the on-the-wire protocol */
978 #define SSL_KEY_UPDATE_NONE -1
979 /* Values as defined for the on-the-wire protocol */
980 #define SSL_KEY_UPDATE_NOT_REQUESTED 0
981 #define SSL_KEY_UPDATE_REQUESTED 1
984 * The valid handshake states (one for each type message sent and one for each
985 * type of message received). There are also two "special" states:
986 * TLS = TLS or DTLS state
987 * DTLS = DTLS specific state
988 * CR/SR = Client Read/Server Read
989 * CW/SW = Client Write/Server Write
991 * The "special" states are:
992 * TLS_ST_BEFORE = No handshake has been initiated yet
993 * TLS_ST_OK = A handshake has been successfully completed
998 DTLS_ST_CR_HELLO_VERIFY_REQUEST,
999 TLS_ST_CR_SRVR_HELLO,
1001 TLS_ST_CR_CERT_STATUS,
1004 TLS_ST_CR_SRVR_DONE,
1005 TLS_ST_CR_SESSION_TICKET,
1008 TLS_ST_CW_CLNT_HELLO,
1011 TLS_ST_CW_CERT_VRFY,
1013 TLS_ST_CW_NEXT_PROTO,
1015 TLS_ST_SW_HELLO_REQ,
1016 TLS_ST_SR_CLNT_HELLO,
1017 DTLS_ST_SW_HELLO_VERIFY_REQUEST,
1018 TLS_ST_SW_SRVR_HELLO,
1022 TLS_ST_SW_SRVR_DONE,
1025 TLS_ST_SR_CERT_VRFY,
1026 TLS_ST_SR_NEXT_PROTO,
1029 TLS_ST_SW_SESSION_TICKET,
1030 TLS_ST_SW_CERT_STATUS,
1033 TLS_ST_SW_ENCRYPTED_EXTENSIONS,
1034 TLS_ST_CR_ENCRYPTED_EXTENSIONS,
1035 TLS_ST_CR_CERT_VRFY,
1036 TLS_ST_SW_CERT_VRFY,
1037 TLS_ST_CR_HELLO_REQ,
1038 TLS_ST_SW_KEY_UPDATE,
1039 TLS_ST_CW_KEY_UPDATE,
1040 TLS_ST_SR_KEY_UPDATE,
1041 TLS_ST_CR_KEY_UPDATE,
1043 TLS_ST_PENDING_EARLY_DATA_END,
1044 TLS_ST_CW_END_OF_EARLY_DATA,
1045 TLS_ST_SR_END_OF_EARLY_DATA
1046 } OSSL_HANDSHAKE_STATE;
1049 * Most of the following state values are no longer used and are defined to be
1050 * the closest equivalent value in the current state machine code. Not all
1051 * defines have an equivalent and are set to a dummy value (-1). SSL_ST_CONNECT
1052 * and SSL_ST_ACCEPT are still in use in the definition of SSL_CB_ACCEPT_LOOP,
1053 * SSL_CB_ACCEPT_EXIT, SSL_CB_CONNECT_LOOP and SSL_CB_CONNECT_EXIT.
1056 # define SSL_ST_CONNECT 0x1000
1057 # define SSL_ST_ACCEPT 0x2000
1059 # define SSL_ST_MASK 0x0FFF
1061 # define SSL_CB_LOOP 0x01
1062 # define SSL_CB_EXIT 0x02
1063 # define SSL_CB_READ 0x04
1064 # define SSL_CB_WRITE 0x08
1065 # define SSL_CB_ALERT 0x4000/* used in callback */
1066 # define SSL_CB_READ_ALERT (SSL_CB_ALERT|SSL_CB_READ)
1067 # define SSL_CB_WRITE_ALERT (SSL_CB_ALERT|SSL_CB_WRITE)
1068 # define SSL_CB_ACCEPT_LOOP (SSL_ST_ACCEPT|SSL_CB_LOOP)
1069 # define SSL_CB_ACCEPT_EXIT (SSL_ST_ACCEPT|SSL_CB_EXIT)
1070 # define SSL_CB_CONNECT_LOOP (SSL_ST_CONNECT|SSL_CB_LOOP)
1071 # define SSL_CB_CONNECT_EXIT (SSL_ST_CONNECT|SSL_CB_EXIT)
1072 # define SSL_CB_HANDSHAKE_START 0x10
1073 # define SSL_CB_HANDSHAKE_DONE 0x20
1075 /* Is the SSL_connection established? */
1076 # define SSL_in_connect_init(a) (SSL_in_init(a) && !SSL_is_server(a))
1077 # define SSL_in_accept_init(a) (SSL_in_init(a) && SSL_is_server(a))
1078 int SSL_in_init(const SSL *s);
1079 int SSL_in_before(const SSL *s);
1080 int SSL_is_init_finished(const SSL *s);
1083 * The following 3 states are kept in ssl->rlayer.rstate when reads fail, you
1084 * should not need these
1086 # define SSL_ST_READ_HEADER 0xF0
1087 # define SSL_ST_READ_BODY 0xF1
1088 # define SSL_ST_READ_DONE 0xF2
1091 * Obtain latest Finished message
1092 * -- that we sent (SSL_get_finished)
1093 * -- that we expected from peer (SSL_get_peer_finished).
1094 * Returns length (0 == no Finished so far), copies up to 'count' bytes.
1096 size_t SSL_get_finished(const SSL *s, void *buf, size_t count);
1097 size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count);
1100 * use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 3 options are
1101 * 'ored' with SSL_VERIFY_PEER if they are desired
1103 # define SSL_VERIFY_NONE 0x00
1104 # define SSL_VERIFY_PEER 0x01
1105 # define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02
1106 # define SSL_VERIFY_CLIENT_ONCE 0x04
1107 # define SSL_VERIFY_POST_HANDSHAKE 0x08
1109 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
1110 # define OpenSSL_add_ssl_algorithms() SSL_library_init()
1111 # define SSLeay_add_ssl_algorithms() SSL_library_init()
1114 /* More backward compatibility */
1115 # define SSL_get_cipher(s) \
1116 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1117 # define SSL_get_cipher_bits(s,np) \
1118 SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
1119 # define SSL_get_cipher_version(s) \
1120 SSL_CIPHER_get_version(SSL_get_current_cipher(s))
1121 # define SSL_get_cipher_name(s) \
1122 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1123 # define SSL_get_time(a) SSL_SESSION_get_time(a)
1124 # define SSL_set_time(a,b) SSL_SESSION_set_time((a),(b))
1125 # define SSL_get_timeout(a) SSL_SESSION_get_timeout(a)
1126 # define SSL_set_timeout(a,b) SSL_SESSION_set_timeout((a),(b))
1128 # define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
1129 # define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
1131 DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION)
1132 # define SSL_AD_REASON_OFFSET 1000/* offset to get SSL_R_... value
1133 * from SSL_AD_... */
1134 /* These alert types are for SSLv3 and TLSv1 */
1135 # define SSL_AD_CLOSE_NOTIFY SSL3_AD_CLOSE_NOTIFY
1137 # define SSL_AD_UNEXPECTED_MESSAGE SSL3_AD_UNEXPECTED_MESSAGE
1139 # define SSL_AD_BAD_RECORD_MAC SSL3_AD_BAD_RECORD_MAC
1140 # define SSL_AD_DECRYPTION_FAILED TLS1_AD_DECRYPTION_FAILED
1141 # define SSL_AD_RECORD_OVERFLOW TLS1_AD_RECORD_OVERFLOW
1143 # define SSL_AD_DECOMPRESSION_FAILURE SSL3_AD_DECOMPRESSION_FAILURE
1145 # define SSL_AD_HANDSHAKE_FAILURE SSL3_AD_HANDSHAKE_FAILURE
1147 # define SSL_AD_NO_CERTIFICATE SSL3_AD_NO_CERTIFICATE
1148 # define SSL_AD_BAD_CERTIFICATE SSL3_AD_BAD_CERTIFICATE
1149 # define SSL_AD_UNSUPPORTED_CERTIFICATE SSL3_AD_UNSUPPORTED_CERTIFICATE
1150 # define SSL_AD_CERTIFICATE_REVOKED SSL3_AD_CERTIFICATE_REVOKED
1151 # define SSL_AD_CERTIFICATE_EXPIRED SSL3_AD_CERTIFICATE_EXPIRED
1152 # define SSL_AD_CERTIFICATE_UNKNOWN SSL3_AD_CERTIFICATE_UNKNOWN
1154 # define SSL_AD_ILLEGAL_PARAMETER SSL3_AD_ILLEGAL_PARAMETER
1156 # define SSL_AD_UNKNOWN_CA TLS1_AD_UNKNOWN_CA
1158 # define SSL_AD_ACCESS_DENIED TLS1_AD_ACCESS_DENIED
1160 # define SSL_AD_DECODE_ERROR TLS1_AD_DECODE_ERROR
1161 # define SSL_AD_DECRYPT_ERROR TLS1_AD_DECRYPT_ERROR
1163 # define SSL_AD_EXPORT_RESTRICTION TLS1_AD_EXPORT_RESTRICTION
1165 # define SSL_AD_PROTOCOL_VERSION TLS1_AD_PROTOCOL_VERSION
1167 # define SSL_AD_INSUFFICIENT_SECURITY TLS1_AD_INSUFFICIENT_SECURITY
1169 # define SSL_AD_INTERNAL_ERROR TLS1_AD_INTERNAL_ERROR
1170 # define SSL_AD_USER_CANCELLED TLS1_AD_USER_CANCELLED
1171 # define SSL_AD_NO_RENEGOTIATION TLS1_AD_NO_RENEGOTIATION
1172 # define SSL_AD_MISSING_EXTENSION TLS13_AD_MISSING_EXTENSION
1173 # define SSL_AD_CERTIFICATE_REQUIRED TLS13_AD_CERTIFICATE_REQUIRED
1174 # define SSL_AD_UNSUPPORTED_EXTENSION TLS1_AD_UNSUPPORTED_EXTENSION
1175 # define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE
1176 # define SSL_AD_UNRECOGNIZED_NAME TLS1_AD_UNRECOGNIZED_NAME
1177 # define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
1178 # define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
1180 # define SSL_AD_UNKNOWN_PSK_IDENTITY TLS1_AD_UNKNOWN_PSK_IDENTITY
1182 # define SSL_AD_INAPPROPRIATE_FALLBACK TLS1_AD_INAPPROPRIATE_FALLBACK
1183 # define SSL_AD_NO_APPLICATION_PROTOCOL TLS1_AD_NO_APPLICATION_PROTOCOL
1184 # define SSL_ERROR_NONE 0
1185 # define SSL_ERROR_SSL 1
1186 # define SSL_ERROR_WANT_READ 2
1187 # define SSL_ERROR_WANT_WRITE 3
1188 # define SSL_ERROR_WANT_X509_LOOKUP 4
1189 # define SSL_ERROR_SYSCALL 5/* look at error stack/return
1191 # define SSL_ERROR_ZERO_RETURN 6
1192 # define SSL_ERROR_WANT_CONNECT 7
1193 # define SSL_ERROR_WANT_ACCEPT 8
1194 # define SSL_ERROR_WANT_ASYNC 9
1195 # define SSL_ERROR_WANT_ASYNC_JOB 10
1196 # define SSL_ERROR_WANT_CLIENT_HELLO_CB 11
1197 # define SSL_ERROR_WANT_RETRY_VERIFY 12
1199 # ifndef OPENSSL_NO_DEPRECATED_3_0
1200 # define SSL_CTRL_SET_TMP_DH 3
1201 # define SSL_CTRL_SET_TMP_ECDH 4
1202 # define SSL_CTRL_SET_TMP_DH_CB 6
1205 # define SSL_CTRL_GET_CLIENT_CERT_REQUEST 9
1206 # define SSL_CTRL_GET_NUM_RENEGOTIATIONS 10
1207 # define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS 11
1208 # define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS 12
1209 # define SSL_CTRL_GET_FLAGS 13
1210 # define SSL_CTRL_EXTRA_CHAIN_CERT 14
1211 # define SSL_CTRL_SET_MSG_CALLBACK 15
1212 # define SSL_CTRL_SET_MSG_CALLBACK_ARG 16
1213 /* only applies to datagram connections */
1214 # define SSL_CTRL_SET_MTU 17
1216 # define SSL_CTRL_SESS_NUMBER 20
1217 # define SSL_CTRL_SESS_CONNECT 21
1218 # define SSL_CTRL_SESS_CONNECT_GOOD 22
1219 # define SSL_CTRL_SESS_CONNECT_RENEGOTIATE 23
1220 # define SSL_CTRL_SESS_ACCEPT 24
1221 # define SSL_CTRL_SESS_ACCEPT_GOOD 25
1222 # define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE 26
1223 # define SSL_CTRL_SESS_HIT 27
1224 # define SSL_CTRL_SESS_CB_HIT 28
1225 # define SSL_CTRL_SESS_MISSES 29
1226 # define SSL_CTRL_SESS_TIMEOUTS 30
1227 # define SSL_CTRL_SESS_CACHE_FULL 31
1228 # define SSL_CTRL_MODE 33
1229 # define SSL_CTRL_GET_READ_AHEAD 40
1230 # define SSL_CTRL_SET_READ_AHEAD 41
1231 # define SSL_CTRL_SET_SESS_CACHE_SIZE 42
1232 # define SSL_CTRL_GET_SESS_CACHE_SIZE 43
1233 # define SSL_CTRL_SET_SESS_CACHE_MODE 44
1234 # define SSL_CTRL_GET_SESS_CACHE_MODE 45
1235 # define SSL_CTRL_GET_MAX_CERT_LIST 50
1236 # define SSL_CTRL_SET_MAX_CERT_LIST 51
1237 # define SSL_CTRL_SET_MAX_SEND_FRAGMENT 52
1238 /* see tls1.h for macros based on these */
1239 # define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB 53
1240 # define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG 54
1241 # define SSL_CTRL_SET_TLSEXT_HOSTNAME 55
1242 # define SSL_CTRL_SET_TLSEXT_DEBUG_CB 56
1243 # define SSL_CTRL_SET_TLSEXT_DEBUG_ARG 57
1244 # define SSL_CTRL_GET_TLSEXT_TICKET_KEYS 58
1245 # define SSL_CTRL_SET_TLSEXT_TICKET_KEYS 59
1246 /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT 60 */
1247 /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB 61 */
1248 /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB_ARG 62 */
1249 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB 63
1250 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG 64
1251 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE 65
1252 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS 66
1253 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS 67
1254 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS 68
1255 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS 69
1256 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP 70
1257 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP 71
1258 # ifndef OPENSSL_NO_DEPRECATED_3_0
1259 # define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB 72
1261 # define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB 75
1262 # define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB 76
1263 # define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB 77
1264 # define SSL_CTRL_SET_SRP_ARG 78
1265 # define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME 79
1266 # define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH 80
1267 # define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD 81
1268 # define DTLS_CTRL_GET_TIMEOUT 73
1269 # define DTLS_CTRL_HANDLE_TIMEOUT 74
1270 # define SSL_CTRL_GET_RI_SUPPORT 76
1271 # define SSL_CTRL_CLEAR_MODE 78
1272 # define SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB 79
1273 # define SSL_CTRL_GET_EXTRA_CHAIN_CERTS 82
1274 # define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS 83
1275 # define SSL_CTRL_CHAIN 88
1276 # define SSL_CTRL_CHAIN_CERT 89
1277 # define SSL_CTRL_GET_GROUPS 90
1278 # define SSL_CTRL_SET_GROUPS 91
1279 # define SSL_CTRL_SET_GROUPS_LIST 92
1280 # define SSL_CTRL_GET_SHARED_GROUP 93
1281 # define SSL_CTRL_SET_SIGALGS 97
1282 # define SSL_CTRL_SET_SIGALGS_LIST 98
1283 # define SSL_CTRL_CERT_FLAGS 99
1284 # define SSL_CTRL_CLEAR_CERT_FLAGS 100
1285 # define SSL_CTRL_SET_CLIENT_SIGALGS 101
1286 # define SSL_CTRL_SET_CLIENT_SIGALGS_LIST 102
1287 # define SSL_CTRL_GET_CLIENT_CERT_TYPES 103
1288 # define SSL_CTRL_SET_CLIENT_CERT_TYPES 104
1289 # define SSL_CTRL_BUILD_CERT_CHAIN 105
1290 # define SSL_CTRL_SET_VERIFY_CERT_STORE 106
1291 # define SSL_CTRL_SET_CHAIN_CERT_STORE 107
1292 # define SSL_CTRL_GET_PEER_SIGNATURE_NID 108
1293 # define SSL_CTRL_GET_PEER_TMP_KEY 109
1294 # define SSL_CTRL_GET_RAW_CIPHERLIST 110
1295 # define SSL_CTRL_GET_EC_POINT_FORMATS 111
1296 # define SSL_CTRL_GET_CHAIN_CERTS 115
1297 # define SSL_CTRL_SELECT_CURRENT_CERT 116
1298 # define SSL_CTRL_SET_CURRENT_CERT 117
1299 # define SSL_CTRL_SET_DH_AUTO 118
1300 # define DTLS_CTRL_SET_LINK_MTU 120
1301 # define DTLS_CTRL_GET_LINK_MIN_MTU 121
1302 # define SSL_CTRL_GET_EXTMS_SUPPORT 122
1303 # define SSL_CTRL_SET_MIN_PROTO_VERSION 123
1304 # define SSL_CTRL_SET_MAX_PROTO_VERSION 124
1305 # define SSL_CTRL_SET_SPLIT_SEND_FRAGMENT 125
1306 # define SSL_CTRL_SET_MAX_PIPELINES 126
1307 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE 127
1308 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB 128
1309 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG 129
1310 # define SSL_CTRL_GET_MIN_PROTO_VERSION 130
1311 # define SSL_CTRL_GET_MAX_PROTO_VERSION 131
1312 # define SSL_CTRL_GET_SIGNATURE_NID 132
1313 # define SSL_CTRL_GET_TMP_KEY 133
1314 # define SSL_CTRL_GET_NEGOTIATED_GROUP 134
1315 # define SSL_CTRL_GET_IANA_GROUPS 135
1316 # define SSL_CTRL_SET_RETRY_VERIFY 136
1317 # define SSL_CTRL_GET_VERIFY_CERT_STORE 137
1318 # define SSL_CTRL_GET_CHAIN_CERT_STORE 138
1319 # define SSL_CERT_SET_FIRST 1
1320 # define SSL_CERT_SET_NEXT 2
1321 # define SSL_CERT_SET_SERVER 3
1322 # define DTLSv1_get_timeout(ssl, arg) \
1323 SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)(arg))
1324 # define DTLSv1_handle_timeout(ssl) \
1325 SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
1326 # define SSL_num_renegotiations(ssl) \
1327 SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1328 # define SSL_clear_num_renegotiations(ssl) \
1329 SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1330 # define SSL_total_renegotiations(ssl) \
1331 SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1332 # ifndef OPENSSL_NO_DEPRECATED_3_0
1333 # define SSL_CTX_set_tmp_dh(ctx,dh) \
1334 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1336 # define SSL_CTX_set_dh_auto(ctx, onoff) \
1337 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1338 # define SSL_set_dh_auto(s, onoff) \
1339 SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1340 # ifndef OPENSSL_NO_DEPRECATED_3_0
1341 # define SSL_set_tmp_dh(ssl,dh) \
1342 SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1344 # ifndef OPENSSL_NO_DEPRECATED_3_0
1345 # define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1346 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1347 # define SSL_set_tmp_ecdh(ssl,ecdh) \
1348 SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1350 # define SSL_CTX_add_extra_chain_cert(ctx,x509) \
1351 SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)(x509))
1352 # define SSL_CTX_get_extra_chain_certs(ctx,px509) \
1353 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
1354 # define SSL_CTX_get_extra_chain_certs_only(ctx,px509) \
1355 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,1,px509)
1356 # define SSL_CTX_clear_extra_chain_certs(ctx) \
1357 SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
1358 # define SSL_CTX_set0_chain(ctx,sk) \
1359 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)(sk))
1360 # define SSL_CTX_set1_chain(ctx,sk) \
1361 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)(sk))
1362 # define SSL_CTX_add0_chain_cert(ctx,x509) \
1363 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1364 # define SSL_CTX_add1_chain_cert(ctx,x509) \
1365 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1366 # define SSL_CTX_get0_chain_certs(ctx,px509) \
1367 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1368 # define SSL_CTX_clear_chain_certs(ctx) \
1369 SSL_CTX_set0_chain(ctx,NULL)
1370 # define SSL_CTX_build_cert_chain(ctx, flags) \
1371 SSL_CTX_ctrl(ctx,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1372 # define SSL_CTX_select_current_cert(ctx,x509) \
1373 SSL_CTX_ctrl(ctx,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1374 # define SSL_CTX_set_current_cert(ctx, op) \
1375 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1376 # define SSL_CTX_set0_verify_cert_store(ctx,st) \
1377 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1378 # define SSL_CTX_set1_verify_cert_store(ctx,st) \
1379 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1380 # define SSL_CTX_get0_verify_cert_store(ctx,st) \
1381 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_VERIFY_CERT_STORE,0,(char *)(st))
1382 # define SSL_CTX_set0_chain_cert_store(ctx,st) \
1383 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1384 # define SSL_CTX_set1_chain_cert_store(ctx,st) \
1385 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1386 # define SSL_CTX_get0_chain_cert_store(ctx,st) \
1387 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERT_STORE,0,(char *)(st))
1388 # define SSL_set0_chain(s,sk) \
1389 SSL_ctrl(s,SSL_CTRL_CHAIN,0,(char *)(sk))
1390 # define SSL_set1_chain(s,sk) \
1391 SSL_ctrl(s,SSL_CTRL_CHAIN,1,(char *)(sk))
1392 # define SSL_add0_chain_cert(s,x509) \
1393 SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1394 # define SSL_add1_chain_cert(s,x509) \
1395 SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1396 # define SSL_get0_chain_certs(s,px509) \
1397 SSL_ctrl(s,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1398 # define SSL_clear_chain_certs(s) \
1399 SSL_set0_chain(s,NULL)
1400 # define SSL_build_cert_chain(s, flags) \
1401 SSL_ctrl(s,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1402 # define SSL_select_current_cert(s,x509) \
1403 SSL_ctrl(s,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1404 # define SSL_set_current_cert(s,op) \
1405 SSL_ctrl(s,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1406 # define SSL_set0_verify_cert_store(s,st) \
1407 SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1408 # define SSL_set1_verify_cert_store(s,st) \
1409 SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1410 #define SSL_get0_verify_cert_store(s,st) \
1411 SSL_ctrl(s,SSL_CTRL_GET_VERIFY_CERT_STORE,0,(char *)(st))
1412 # define SSL_set0_chain_cert_store(s,st) \
1413 SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1414 # define SSL_set1_chain_cert_store(s,st) \
1415 SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1416 #define SSL_get0_chain_cert_store(s,st) \
1417 SSL_ctrl(s,SSL_CTRL_GET_CHAIN_CERT_STORE,0,(char *)(st))
1419 # define SSL_get1_groups(s, glist) \
1420 SSL_ctrl(s,SSL_CTRL_GET_GROUPS,0,(int*)(glist))
1421 # define SSL_get0_iana_groups(s, plst) \
1422 SSL_ctrl(s,SSL_CTRL_GET_IANA_GROUPS,0,(uint16_t **)(plst))
1423 # define SSL_CTX_set1_groups(ctx, glist, glistlen) \
1424 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS,glistlen,(int *)(glist))
1425 # define SSL_CTX_set1_groups_list(ctx, s) \
1426 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(s))
1427 # define SSL_set1_groups(s, glist, glistlen) \
1428 SSL_ctrl(s,SSL_CTRL_SET_GROUPS,glistlen,(char *)(glist))
1429 # define SSL_set1_groups_list(s, str) \
1430 SSL_ctrl(s,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(str))
1431 # define SSL_get_shared_group(s, n) \
1432 SSL_ctrl(s,SSL_CTRL_GET_SHARED_GROUP,n,NULL)
1433 # define SSL_get_negotiated_group(s) \
1434 SSL_ctrl(s,SSL_CTRL_GET_NEGOTIATED_GROUP,0,NULL)
1435 # define SSL_CTX_set1_sigalgs(ctx, slist, slistlen) \
1436 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1437 # define SSL_CTX_set1_sigalgs_list(ctx, s) \
1438 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(s))
1439 # define SSL_set1_sigalgs(s, slist, slistlen) \
1440 SSL_ctrl(s,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1441 # define SSL_set1_sigalgs_list(s, str) \
1442 SSL_ctrl(s,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(str))
1443 # define SSL_CTX_set1_client_sigalgs(ctx, slist, slistlen) \
1444 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1445 # define SSL_CTX_set1_client_sigalgs_list(ctx, s) \
1446 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(s))
1447 # define SSL_set1_client_sigalgs(s, slist, slistlen) \
1448 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1449 # define SSL_set1_client_sigalgs_list(s, str) \
1450 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(str))
1451 # define SSL_get0_certificate_types(s, clist) \
1452 SSL_ctrl(s, SSL_CTRL_GET_CLIENT_CERT_TYPES, 0, (char *)(clist))
1453 # define SSL_CTX_set1_client_certificate_types(ctx, clist, clistlen) \
1454 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen, \
1456 # define SSL_set1_client_certificate_types(s, clist, clistlen) \
1457 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen,(char *)(clist))
1458 # define SSL_get_signature_nid(s, pn) \
1459 SSL_ctrl(s,SSL_CTRL_GET_SIGNATURE_NID,0,pn)
1460 # define SSL_get_peer_signature_nid(s, pn) \
1461 SSL_ctrl(s,SSL_CTRL_GET_PEER_SIGNATURE_NID,0,pn)
1462 # define SSL_get_peer_tmp_key(s, pk) \
1463 SSL_ctrl(s,SSL_CTRL_GET_PEER_TMP_KEY,0,pk)
1464 # define SSL_get_tmp_key(s, pk) \
1465 SSL_ctrl(s,SSL_CTRL_GET_TMP_KEY,0,pk)
1466 # define SSL_get0_raw_cipherlist(s, plst) \
1467 SSL_ctrl(s,SSL_CTRL_GET_RAW_CIPHERLIST,0,plst)
1468 # define SSL_get0_ec_point_formats(s, plst) \
1469 SSL_ctrl(s,SSL_CTRL_GET_EC_POINT_FORMATS,0,plst)
1470 # define SSL_CTX_set_min_proto_version(ctx, version) \
1471 SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1472 # define SSL_CTX_set_max_proto_version(ctx, version) \
1473 SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1474 # define SSL_CTX_get_min_proto_version(ctx) \
1475 SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1476 # define SSL_CTX_get_max_proto_version(ctx) \
1477 SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1478 # define SSL_set_min_proto_version(s, version) \
1479 SSL_ctrl(s, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1480 # define SSL_set_max_proto_version(s, version) \
1481 SSL_ctrl(s, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1482 # define SSL_get_min_proto_version(s) \
1483 SSL_ctrl(s, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1484 # define SSL_get_max_proto_version(s) \
1485 SSL_ctrl(s, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1487 const char *SSL_group_to_name(SSL *s, int id);
1489 /* Backwards compatibility, original 1.1.0 names */
1490 # define SSL_CTRL_GET_SERVER_TMP_KEY \
1491 SSL_CTRL_GET_PEER_TMP_KEY
1492 # define SSL_get_server_tmp_key(s, pk) \
1493 SSL_get_peer_tmp_key(s, pk)
1495 int SSL_set0_tmp_dh_pkey(SSL *s, EVP_PKEY *dhpkey);
1496 int SSL_CTX_set0_tmp_dh_pkey(SSL_CTX *ctx, EVP_PKEY *dhpkey);
1499 * The following symbol names are old and obsolete. They are kept
1500 * for compatibility reasons only and should not be used anymore.
1502 # define SSL_CTRL_GET_CURVES SSL_CTRL_GET_GROUPS
1503 # define SSL_CTRL_SET_CURVES SSL_CTRL_SET_GROUPS
1504 # define SSL_CTRL_SET_CURVES_LIST SSL_CTRL_SET_GROUPS_LIST
1505 # define SSL_CTRL_GET_SHARED_CURVE SSL_CTRL_GET_SHARED_GROUP
1507 # define SSL_get1_curves SSL_get1_groups
1508 # define SSL_CTX_set1_curves SSL_CTX_set1_groups
1509 # define SSL_CTX_set1_curves_list SSL_CTX_set1_groups_list
1510 # define SSL_set1_curves SSL_set1_groups
1511 # define SSL_set1_curves_list SSL_set1_groups_list
1512 # define SSL_get_shared_curve SSL_get_shared_group
1515 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
1516 /* Provide some compatibility macros for removed functionality. */
1517 # define SSL_CTX_need_tmp_RSA(ctx) 0
1518 # define SSL_CTX_set_tmp_rsa(ctx,rsa) 1
1519 # define SSL_need_tmp_RSA(ssl) 0
1520 # define SSL_set_tmp_rsa(ssl,rsa) 1
1521 # define SSL_CTX_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1522 # define SSL_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1524 * We "pretend" to call the callback to avoid warnings about unused static
1527 # define SSL_CTX_set_tmp_rsa_callback(ctx, cb) while(0) (cb)(NULL, 0, 0)
1528 # define SSL_set_tmp_rsa_callback(ssl, cb) while(0) (cb)(NULL, 0, 0)
1530 __owur const BIO_METHOD *BIO_f_ssl(void);
1531 __owur BIO *BIO_new_ssl(SSL_CTX *ctx, int client);
1532 __owur BIO *BIO_new_ssl_connect(SSL_CTX *ctx);
1533 __owur BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx);
1534 __owur int BIO_ssl_copy_session_id(BIO *to, BIO *from);
1535 void BIO_ssl_shutdown(BIO *ssl_bio);
1537 __owur int SSL_CTX_set_cipher_list(SSL_CTX *, const char *str);
1538 __owur SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth);
1539 __owur SSL_CTX *SSL_CTX_new_ex(OSSL_LIB_CTX *libctx, const char *propq,
1540 const SSL_METHOD *meth);
1541 int SSL_CTX_up_ref(SSL_CTX *ctx);
1542 void SSL_CTX_free(SSL_CTX *);
1543 __owur long SSL_CTX_set_timeout(SSL_CTX *ctx, long t);
1544 __owur long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1545 __owur X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *);
1546 void SSL_CTX_set_cert_store(SSL_CTX *, X509_STORE *);
1547 void SSL_CTX_set1_cert_store(SSL_CTX *, X509_STORE *);
1548 __owur int SSL_want(const SSL *s);
1549 __owur int SSL_clear(SSL *s);
1551 void SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
1553 __owur const SSL_CIPHER *SSL_get_current_cipher(const SSL *s);
1554 __owur const SSL_CIPHER *SSL_get_pending_cipher(const SSL *s);
1555 __owur int SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits);
1556 __owur const char *SSL_CIPHER_get_version(const SSL_CIPHER *c);
1557 __owur const char *SSL_CIPHER_get_name(const SSL_CIPHER *c);
1558 __owur const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c);
1559 __owur const char *OPENSSL_cipher_name(const char *rfc_name);
1560 __owur uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c);
1561 __owur uint16_t SSL_CIPHER_get_protocol_id(const SSL_CIPHER *c);
1562 __owur int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c);
1563 __owur int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c);
1564 __owur const EVP_MD *SSL_CIPHER_get_handshake_digest(const SSL_CIPHER *c);
1565 __owur int SSL_CIPHER_is_aead(const SSL_CIPHER *c);
1567 __owur int SSL_get_fd(const SSL *s);
1568 __owur int SSL_get_rfd(const SSL *s);
1569 __owur int SSL_get_wfd(const SSL *s);
1570 __owur const char *SSL_get_cipher_list(const SSL *s, int n);
1571 __owur char *SSL_get_shared_ciphers(const SSL *s, char *buf, int size);
1572 __owur int SSL_get_read_ahead(const SSL *s);
1573 __owur int SSL_pending(const SSL *s);
1574 __owur int SSL_has_pending(const SSL *s);
1575 # ifndef OPENSSL_NO_SOCK
1576 __owur int SSL_set_fd(SSL *s, int fd);
1577 __owur int SSL_set_rfd(SSL *s, int fd);
1578 __owur int SSL_set_wfd(SSL *s, int fd);
1580 void SSL_set0_rbio(SSL *s, BIO *rbio);
1581 void SSL_set0_wbio(SSL *s, BIO *wbio);
1582 void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio);
1583 __owur BIO *SSL_get_rbio(const SSL *s);
1584 __owur BIO *SSL_get_wbio(const SSL *s);
1585 __owur int SSL_set_cipher_list(SSL *s, const char *str);
1586 __owur int SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str);
1587 __owur int SSL_set_ciphersuites(SSL *s, const char *str);
1588 void SSL_set_read_ahead(SSL *s, int yes);
1589 __owur int SSL_get_verify_mode(const SSL *s);
1590 __owur int SSL_get_verify_depth(const SSL *s);
1591 __owur SSL_verify_cb SSL_get_verify_callback(const SSL *s);
1592 void SSL_set_verify(SSL *s, int mode, SSL_verify_cb callback);
1593 void SSL_set_verify_depth(SSL *s, int depth);
1594 void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg);
1595 # ifndef OPENSSL_NO_DEPRECATED_3_0
1596 OSSL_DEPRECATEDIN_3_0 __owur int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
1597 OSSL_DEPRECATEDIN_3_0
1598 __owur int SSL_use_RSAPrivateKey_ASN1(SSL *ssl,
1599 const unsigned char *d, long len);
1601 __owur int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
1602 __owur int SSL_use_PrivateKey_ASN1(int pk, SSL *ssl, const unsigned char *d,
1604 __owur int SSL_use_certificate(SSL *ssl, X509 *x);
1605 __owur int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len);
1606 __owur int SSL_use_cert_and_key(SSL *ssl, X509 *x509, EVP_PKEY *privatekey,
1607 STACK_OF(X509) *chain, int override);
1610 /* serverinfo file format versions */
1611 # define SSL_SERVERINFOV1 1
1612 # define SSL_SERVERINFOV2 2
1614 /* Set serverinfo data for the current active cert. */
1615 __owur int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo,
1616 size_t serverinfo_length);
1617 __owur int SSL_CTX_use_serverinfo_ex(SSL_CTX *ctx, unsigned int version,
1618 const unsigned char *serverinfo,
1619 size_t serverinfo_length);
1620 __owur int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file);
1622 #ifndef OPENSSL_NO_DEPRECATED_3_0
1623 OSSL_DEPRECATEDIN_3_0
1624 __owur int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
1627 __owur int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
1628 __owur int SSL_use_certificate_file(SSL *ssl, const char *file, int type);
1630 #ifndef OPENSSL_NO_DEPRECATED_3_0
1631 OSSL_DEPRECATEDIN_3_0
1632 __owur int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file,
1635 __owur int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file,
1637 __owur int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file,
1640 __owur int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file);
1641 __owur int SSL_use_certificate_chain_file(SSL *ssl, const char *file);
1642 __owur STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
1643 __owur STACK_OF(X509_NAME)
1644 *SSL_load_client_CA_file_ex(const char *file, OSSL_LIB_CTX *libctx,
1646 __owur int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1648 int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1650 int SSL_add_store_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1653 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
1654 # define SSL_load_error_strings() \
1655 OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS \
1656 | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL)
1659 __owur const char *SSL_state_string(const SSL *s);
1660 __owur const char *SSL_rstate_string(const SSL *s);
1661 __owur const char *SSL_state_string_long(const SSL *s);
1662 __owur const char *SSL_rstate_string_long(const SSL *s);
1663 __owur long SSL_SESSION_get_time(const SSL_SESSION *s);
1664 __owur long SSL_SESSION_set_time(SSL_SESSION *s, long t);
1665 __owur long SSL_SESSION_get_timeout(const SSL_SESSION *s);
1666 __owur long SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
1667 __owur int SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
1668 __owur int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version);
1670 __owur const char *SSL_SESSION_get0_hostname(const SSL_SESSION *s);
1671 __owur int SSL_SESSION_set1_hostname(SSL_SESSION *s, const char *hostname);
1672 void SSL_SESSION_get0_alpn_selected(const SSL_SESSION *s,
1673 const unsigned char **alpn,
1675 __owur int SSL_SESSION_set1_alpn_selected(SSL_SESSION *s,
1676 const unsigned char *alpn,
1678 __owur const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s);
1679 __owur int SSL_SESSION_set_cipher(SSL_SESSION *s, const SSL_CIPHER *cipher);
1680 __owur int SSL_SESSION_has_ticket(const SSL_SESSION *s);
1681 __owur unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s);
1682 void SSL_SESSION_get0_ticket(const SSL_SESSION *s, const unsigned char **tick,
1684 __owur uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *s);
1685 __owur int SSL_SESSION_set_max_early_data(SSL_SESSION *s,
1686 uint32_t max_early_data);
1687 __owur int SSL_copy_session_id(SSL *to, const SSL *from);
1688 __owur X509 *SSL_SESSION_get0_peer(SSL_SESSION *s);
1689 __owur int SSL_SESSION_set1_id_context(SSL_SESSION *s,
1690 const unsigned char *sid_ctx,
1691 unsigned int sid_ctx_len);
1692 __owur int SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid,
1693 unsigned int sid_len);
1694 __owur int SSL_SESSION_is_resumable(const SSL_SESSION *s);
1696 __owur SSL_SESSION *SSL_SESSION_new(void);
1697 __owur SSL_SESSION *SSL_SESSION_dup(const SSL_SESSION *src);
1698 const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s,
1700 const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *s,
1702 __owur unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s);
1703 # ifndef OPENSSL_NO_STDIO
1704 int SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses);
1706 int SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses);
1707 int SSL_SESSION_print_keylog(BIO *bp, const SSL_SESSION *x);
1708 int SSL_SESSION_up_ref(SSL_SESSION *ses);
1709 void SSL_SESSION_free(SSL_SESSION *ses);
1710 __owur int i2d_SSL_SESSION(const SSL_SESSION *in, unsigned char **pp);
1711 __owur int SSL_set_session(SSL *to, SSL_SESSION *session);
1712 int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *session);
1713 int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *session);
1714 __owur int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb);
1715 __owur int SSL_set_generate_session_id(SSL *s, GEN_SESSION_CB cb);
1716 __owur int SSL_has_matching_session_id(const SSL *s,
1717 const unsigned char *id,
1718 unsigned int id_len);
1719 SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
1722 # ifdef OPENSSL_X509_H
1723 __owur X509 *SSL_get0_peer_certificate(const SSL *s);
1724 __owur X509 *SSL_get1_peer_certificate(const SSL *s);
1725 /* Deprecated in 3.0.0 */
1726 # ifndef OPENSSL_NO_DEPRECATED_3_0
1727 # define SSL_get_peer_certificate SSL_get1_peer_certificate
1731 __owur STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s);
1733 __owur int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1734 __owur int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1735 __owur SSL_verify_cb SSL_CTX_get_verify_callback(const SSL_CTX *ctx);
1736 void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, SSL_verify_cb callback);
1737 void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth);
1738 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,
1739 int (*cb) (X509_STORE_CTX *, void *),
1741 void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg),
1743 # ifndef OPENSSL_NO_DEPRECATED_3_0
1744 OSSL_DEPRECATEDIN_3_0
1745 __owur int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
1746 OSSL_DEPRECATEDIN_3_0
1747 __owur int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d,
1750 __owur int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
1751 __owur int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx,
1752 const unsigned char *d, long len);
1753 __owur int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
1754 __owur int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len,
1755 const unsigned char *d);
1756 __owur int SSL_CTX_use_cert_and_key(SSL_CTX *ctx, X509 *x509, EVP_PKEY *privatekey,
1757 STACK_OF(X509) *chain, int override);
1759 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb);
1760 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
1761 pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx);
1762 void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx);
1763 void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb);
1764 void SSL_set_default_passwd_cb_userdata(SSL *s, void *u);
1765 pem_password_cb *SSL_get_default_passwd_cb(SSL *s);
1766 void *SSL_get_default_passwd_cb_userdata(SSL *s);
1768 __owur int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1769 __owur int SSL_check_private_key(const SSL *ctx);
1771 __owur int SSL_CTX_set_session_id_context(SSL_CTX *ctx,
1772 const unsigned char *sid_ctx,
1773 unsigned int sid_ctx_len);
1775 SSL *SSL_new(SSL_CTX *ctx);
1776 int SSL_up_ref(SSL *s);
1777 int SSL_is_dtls(const SSL *s);
1778 __owur int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx,
1779 unsigned int sid_ctx_len);
1781 __owur int SSL_CTX_set_purpose(SSL_CTX *ctx, int purpose);
1782 __owur int SSL_set_purpose(SSL *ssl, int purpose);
1783 __owur int SSL_CTX_set_trust(SSL_CTX *ctx, int trust);
1784 __owur int SSL_set_trust(SSL *ssl, int trust);
1786 __owur int SSL_set1_host(SSL *s, const char *hostname);
1787 __owur int SSL_add1_host(SSL *s, const char *hostname);
1788 __owur const char *SSL_get0_peername(SSL *s);
1789 void SSL_set_hostflags(SSL *s, unsigned int flags);
1791 __owur int SSL_CTX_dane_enable(SSL_CTX *ctx);
1792 __owur int SSL_CTX_dane_mtype_set(SSL_CTX *ctx, const EVP_MD *md,
1793 uint8_t mtype, uint8_t ord);
1794 __owur int SSL_dane_enable(SSL *s, const char *basedomain);
1795 __owur int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector,
1796 uint8_t mtype, const unsigned char *data, size_t dlen);
1797 __owur int SSL_get0_dane_authority(SSL *s, X509 **mcert, EVP_PKEY **mspki);
1798 __owur int SSL_get0_dane_tlsa(SSL *s, uint8_t *usage, uint8_t *selector,
1799 uint8_t *mtype, const unsigned char **data,
1802 * Bridge opacity barrier between libcrypt and libssl, also needed to support
1803 * offline testing in test/danetest.c
1805 SSL_DANE *SSL_get0_dane(SSL *ssl);
1809 unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags);
1810 unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags);
1811 unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags);
1812 unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags);
1814 __owur int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
1815 __owur int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
1817 __owur X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx);
1818 __owur X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl);
1820 # ifndef OPENSSL_NO_SRP
1821 # ifndef OPENSSL_NO_DEPRECATED_3_0
1822 OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_username(SSL_CTX *ctx, char *name);
1823 OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_password(SSL_CTX *ctx, char *password);
1824 OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength);
1825 OSSL_DEPRECATEDIN_3_0
1826 int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx,
1827 char *(*cb) (SSL *, void *));
1828 OSSL_DEPRECATEDIN_3_0
1829 int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx,
1830 int (*cb) (SSL *, void *));
1831 OSSL_DEPRECATEDIN_3_0
1832 int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
1833 int (*cb) (SSL *, int *, void *));
1834 OSSL_DEPRECATEDIN_3_0 int SSL_CTX_set_srp_cb_arg(SSL_CTX *ctx, void *arg);
1836 OSSL_DEPRECATEDIN_3_0
1837 int SSL_set_srp_server_param(SSL *s, const BIGNUM *N, const BIGNUM *g,
1838 BIGNUM *sa, BIGNUM *v, char *info);
1839 OSSL_DEPRECATEDIN_3_0
1840 int SSL_set_srp_server_param_pw(SSL *s, const char *user, const char *pass,
1843 OSSL_DEPRECATEDIN_3_0 __owur BIGNUM *SSL_get_srp_g(SSL *s);
1844 OSSL_DEPRECATEDIN_3_0 __owur BIGNUM *SSL_get_srp_N(SSL *s);
1846 OSSL_DEPRECATEDIN_3_0 __owur char *SSL_get_srp_username(SSL *s);
1847 OSSL_DEPRECATEDIN_3_0 __owur char *SSL_get_srp_userinfo(SSL *s);
1852 * ClientHello callback and helpers.
1855 # define SSL_CLIENT_HELLO_SUCCESS 1
1856 # define SSL_CLIENT_HELLO_ERROR 0
1857 # define SSL_CLIENT_HELLO_RETRY (-1)
1859 typedef int (*SSL_client_hello_cb_fn) (SSL *s, int *al, void *arg);
1860 void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb,
1862 int SSL_client_hello_isv2(SSL *s);
1863 unsigned int SSL_client_hello_get0_legacy_version(SSL *s);
1864 size_t SSL_client_hello_get0_random(SSL *s, const unsigned char **out);
1865 size_t SSL_client_hello_get0_session_id(SSL *s, const unsigned char **out);
1866 size_t SSL_client_hello_get0_ciphers(SSL *s, const unsigned char **out);
1867 size_t SSL_client_hello_get0_compression_methods(SSL *s,
1868 const unsigned char **out);
1869 int SSL_client_hello_get1_extensions_present(SSL *s, int **out, size_t *outlen);
1870 int SSL_client_hello_get_extension_order(SSL *s, uint16_t *exts,
1872 int SSL_client_hello_get0_ext(SSL *s, unsigned int type,
1873 const unsigned char **out, size_t *outlen);
1875 void SSL_certs_clear(SSL *s);
1876 void SSL_free(SSL *ssl);
1877 # ifdef OSSL_ASYNC_FD
1879 * Windows application developer has to include windows.h to use these.
1881 __owur int SSL_waiting_for_async(SSL *s);
1882 __owur int SSL_get_all_async_fds(SSL *s, OSSL_ASYNC_FD *fds, size_t *numfds);
1883 __owur int SSL_get_changed_async_fds(SSL *s, OSSL_ASYNC_FD *addfd,
1884 size_t *numaddfds, OSSL_ASYNC_FD *delfd,
1886 __owur int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback);
1887 __owur int SSL_CTX_set_async_callback_arg(SSL_CTX *ctx, void *arg);
1888 __owur int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback);
1889 __owur int SSL_set_async_callback_arg(SSL *s, void *arg);
1890 __owur int SSL_get_async_status(SSL *s, int *status);
1893 __owur int SSL_accept(SSL *ssl);
1894 __owur int SSL_stateless(SSL *s);
1895 __owur int SSL_connect(SSL *ssl);
1896 __owur int SSL_read(SSL *ssl, void *buf, int num);
1897 __owur int SSL_read_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes);
1899 # define SSL_READ_EARLY_DATA_ERROR 0
1900 # define SSL_READ_EARLY_DATA_SUCCESS 1
1901 # define SSL_READ_EARLY_DATA_FINISH 2
1903 __owur int SSL_read_early_data(SSL *s, void *buf, size_t num,
1905 __owur int SSL_peek(SSL *ssl, void *buf, int num);
1906 __owur int SSL_peek_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes);
1907 __owur ossl_ssize_t SSL_sendfile(SSL *s, int fd, off_t offset, size_t size,
1909 __owur int SSL_write(SSL *ssl, const void *buf, int num);
1910 __owur int SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *written);
1911 __owur int SSL_write_early_data(SSL *s, const void *buf, size_t num,
1913 long SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg);
1914 long SSL_callback_ctrl(SSL *, int, void (*)(void));
1915 long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg);
1916 long SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)(void));
1918 # define SSL_EARLY_DATA_NOT_SENT 0
1919 # define SSL_EARLY_DATA_REJECTED 1
1920 # define SSL_EARLY_DATA_ACCEPTED 2
1922 __owur int SSL_get_early_data_status(const SSL *s);
1924 __owur int SSL_get_error(const SSL *s, int ret_code);
1925 __owur const char *SSL_get_version(const SSL *s);
1927 /* This sets the 'default' SSL version that SSL_new() will create */
1928 # ifndef OPENSSL_NO_DEPRECATED_3_0
1929 OSSL_DEPRECATEDIN_3_0
1930 __owur int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth);
1933 # ifndef OPENSSL_NO_SSL3_METHOD
1934 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
1935 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_method(void); /* SSLv3 */
1936 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_server_method(void);
1937 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *SSLv3_client_method(void);
1941 #define SSLv23_method TLS_method
1942 #define SSLv23_server_method TLS_server_method
1943 #define SSLv23_client_method TLS_client_method
1945 /* Negotiate highest available SSL/TLS version */
1946 __owur const SSL_METHOD *TLS_method(void);
1947 __owur const SSL_METHOD *TLS_server_method(void);
1948 __owur const SSL_METHOD *TLS_client_method(void);
1950 # ifndef OPENSSL_NO_TLS1_METHOD
1951 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
1952 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_method(void); /* TLSv1.0 */
1953 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_server_method(void);
1954 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_client_method(void);
1958 # ifndef OPENSSL_NO_TLS1_1_METHOD
1959 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
1960 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_method(void); /* TLSv1.1 */
1961 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_server_method(void);
1962 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_1_client_method(void);
1966 # ifndef OPENSSL_NO_TLS1_2_METHOD
1967 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
1968 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_method(void); /* TLSv1.2 */
1969 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_server_method(void);
1970 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *TLSv1_2_client_method(void);
1974 # ifndef OPENSSL_NO_DTLS1_METHOD
1975 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
1976 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_method(void); /* DTLSv1.0 */
1977 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_server_method(void);
1978 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_client_method(void);
1982 # ifndef OPENSSL_NO_DTLS1_2_METHOD
1984 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
1985 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_method(void);
1986 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_server_method(void);
1987 OSSL_DEPRECATEDIN_1_1_0 __owur const SSL_METHOD *DTLSv1_2_client_method(void);
1991 __owur const SSL_METHOD *DTLS_method(void); /* DTLS 1.0 and 1.2 */
1992 __owur const SSL_METHOD *DTLS_server_method(void); /* DTLS 1.0 and 1.2 */
1993 __owur const SSL_METHOD *DTLS_client_method(void); /* DTLS 1.0 and 1.2 */
1995 __owur size_t DTLS_get_data_mtu(const SSL *s);
1997 __owur STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s);
1998 __owur STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx);
1999 __owur STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s);
2000 __owur STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s);
2002 __owur int SSL_do_handshake(SSL *s);
2003 int SSL_key_update(SSL *s, int updatetype);
2004 int SSL_get_key_update_type(const SSL *s);
2005 int SSL_renegotiate(SSL *s);
2006 int SSL_renegotiate_abbreviated(SSL *s);
2007 __owur int SSL_renegotiate_pending(const SSL *s);
2008 int SSL_new_session_ticket(SSL *s);
2009 int SSL_shutdown(SSL *s);
2010 __owur int SSL_verify_client_post_handshake(SSL *s);
2011 void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val);
2012 void SSL_set_post_handshake_auth(SSL *s, int val);
2014 __owur const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx);
2015 __owur const SSL_METHOD *SSL_get_ssl_method(const SSL *s);
2016 __owur int SSL_set_ssl_method(SSL *s, const SSL_METHOD *method);
2017 __owur const char *SSL_alert_type_string_long(int value);
2018 __owur const char *SSL_alert_type_string(int value);
2019 __owur const char *SSL_alert_desc_string_long(int value);
2020 __owur const char *SSL_alert_desc_string(int value);
2022 void SSL_set0_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
2023 void SSL_CTX_set0_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
2024 __owur const STACK_OF(X509_NAME) *SSL_get0_CA_list(const SSL *s);
2025 __owur const STACK_OF(X509_NAME) *SSL_CTX_get0_CA_list(const SSL_CTX *ctx);
2026 __owur int SSL_add1_to_CA_list(SSL *ssl, const X509 *x);
2027 __owur int SSL_CTX_add1_to_CA_list(SSL_CTX *ctx, const X509 *x);
2028 __owur const STACK_OF(X509_NAME) *SSL_get0_peer_CA_list(const SSL *s);
2030 void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
2031 void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
2032 __owur STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
2033 __owur STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s);
2034 __owur int SSL_add_client_CA(SSL *ssl, X509 *x);
2035 __owur int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x);
2037 void SSL_set_connect_state(SSL *s);
2038 void SSL_set_accept_state(SSL *s);
2040 __owur long SSL_get_default_timeout(const SSL *s);
2042 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
2043 # define SSL_library_init() OPENSSL_init_ssl(0, NULL)
2046 __owur char *SSL_CIPHER_description(const SSL_CIPHER *, char *buf, int size);
2047 __owur STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk);
2049 __owur SSL *SSL_dup(SSL *ssl);
2051 __owur X509 *SSL_get_certificate(const SSL *ssl);
2055 struct evp_pkey_st *SSL_get_privatekey(const SSL *ssl);
2057 __owur X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx);
2058 __owur EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx);
2060 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
2061 __owur int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
2062 void SSL_set_quiet_shutdown(SSL *ssl, int mode);
2063 __owur int SSL_get_quiet_shutdown(const SSL *ssl);
2064 void SSL_set_shutdown(SSL *ssl, int mode);
2065 __owur int SSL_get_shutdown(const SSL *ssl);
2066 __owur int SSL_version(const SSL *ssl);
2067 __owur int SSL_client_version(const SSL *s);
2068 __owur int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
2069 __owur int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx);
2070 __owur int SSL_CTX_set_default_verify_file(SSL_CTX *ctx);
2071 __owur int SSL_CTX_set_default_verify_store(SSL_CTX *ctx);
2072 __owur int SSL_CTX_load_verify_file(SSL_CTX *ctx, const char *CAfile);
2073 __owur int SSL_CTX_load_verify_dir(SSL_CTX *ctx, const char *CApath);
2074 __owur int SSL_CTX_load_verify_store(SSL_CTX *ctx, const char *CAstore);
2075 __owur int SSL_CTX_load_verify_locations(SSL_CTX *ctx,
2077 const char *CApath);
2078 # define SSL_get0_session SSL_get_session/* just peek at pointer */
2079 __owur SSL_SESSION *SSL_get_session(const SSL *ssl);
2080 __owur SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */
2081 __owur SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl);
2082 SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx);
2083 void SSL_set_info_callback(SSL *ssl,
2084 void (*cb) (const SSL *ssl, int type, int val));
2085 void (*SSL_get_info_callback(const SSL *ssl)) (const SSL *ssl, int type,
2087 __owur OSSL_HANDSHAKE_STATE SSL_get_state(const SSL *ssl);
2089 void SSL_set_verify_result(SSL *ssl, long v);
2090 __owur long SSL_get_verify_result(const SSL *ssl);
2091 __owur STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s);
2093 __owur size_t SSL_get_client_random(const SSL *ssl, unsigned char *out,
2095 __owur size_t SSL_get_server_random(const SSL *ssl, unsigned char *out,
2097 __owur size_t SSL_SESSION_get_master_key(const SSL_SESSION *sess,
2098 unsigned char *out, size_t outlen);
2099 __owur int SSL_SESSION_set1_master_key(SSL_SESSION *sess,
2100 const unsigned char *in, size_t len);
2101 uint8_t SSL_SESSION_get_max_fragment_length(const SSL_SESSION *sess);
2103 #define SSL_get_ex_new_index(l, p, newf, dupf, freef) \
2104 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, l, p, newf, dupf, freef)
2105 __owur int SSL_set_ex_data(SSL *ssl, int idx, void *data);
2106 void *SSL_get_ex_data(const SSL *ssl, int idx);
2107 #define SSL_SESSION_get_ex_new_index(l, p, newf, dupf, freef) \
2108 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_SESSION, l, p, newf, dupf, freef)
2109 __owur int SSL_SESSION_set_ex_data(SSL_SESSION *ss, int idx, void *data);
2110 void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss, int idx);
2111 #define SSL_CTX_get_ex_new_index(l, p, newf, dupf, freef) \
2112 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, l, p, newf, dupf, freef)
2113 __owur int SSL_CTX_set_ex_data(SSL_CTX *ssl, int idx, void *data);
2114 void *SSL_CTX_get_ex_data(const SSL_CTX *ssl, int idx);
2116 __owur int SSL_get_ex_data_X509_STORE_CTX_idx(void);
2118 # define SSL_CTX_sess_set_cache_size(ctx,t) \
2119 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
2120 # define SSL_CTX_sess_get_cache_size(ctx) \
2121 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
2122 # define SSL_CTX_set_session_cache_mode(ctx,m) \
2123 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
2124 # define SSL_CTX_get_session_cache_mode(ctx) \
2125 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
2127 # define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
2128 # define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
2129 # define SSL_CTX_get_read_ahead(ctx) \
2130 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
2131 # define SSL_CTX_set_read_ahead(ctx,m) \
2132 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
2133 # define SSL_CTX_get_max_cert_list(ctx) \
2134 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2135 # define SSL_CTX_set_max_cert_list(ctx,m) \
2136 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2137 # define SSL_get_max_cert_list(ssl) \
2138 SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2139 # define SSL_set_max_cert_list(ssl,m) \
2140 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2142 # define SSL_CTX_set_max_send_fragment(ctx,m) \
2143 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2144 # define SSL_set_max_send_fragment(ssl,m) \
2145 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2146 # define SSL_CTX_set_split_send_fragment(ctx,m) \
2147 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2148 # define SSL_set_split_send_fragment(ssl,m) \
2149 SSL_ctrl(ssl,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2150 # define SSL_CTX_set_max_pipelines(ctx,m) \
2151 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2152 # define SSL_set_max_pipelines(ssl,m) \
2153 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2154 # define SSL_set_retry_verify(ssl) \
2155 (SSL_ctrl(ssl,SSL_CTRL_SET_RETRY_VERIFY,0,NULL) > 0)
2157 void SSL_CTX_set_default_read_buffer_len(SSL_CTX *ctx, size_t len);
2158 void SSL_set_default_read_buffer_len(SSL *s, size_t len);
2160 # ifndef OPENSSL_NO_DH
2161 # ifndef OPENSSL_NO_DEPRECATED_3_0
2162 /* NB: the |keylength| is only applicable when is_export is true */
2163 OSSL_DEPRECATEDIN_3_0
2164 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
2165 DH *(*dh) (SSL *ssl, int is_export,
2167 OSSL_DEPRECATEDIN_3_0
2168 void SSL_set_tmp_dh_callback(SSL *ssl,
2169 DH *(*dh) (SSL *ssl, int is_export,
2174 __owur const COMP_METHOD *SSL_get_current_compression(const SSL *s);
2175 __owur const COMP_METHOD *SSL_get_current_expansion(const SSL *s);
2176 __owur const char *SSL_COMP_get_name(const COMP_METHOD *comp);
2177 __owur const char *SSL_COMP_get0_name(const SSL_COMP *comp);
2178 __owur int SSL_COMP_get_id(const SSL_COMP *comp);
2179 STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
2180 __owur STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP)
2182 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
2183 # define SSL_COMP_free_compression_methods() while(0) continue
2185 __owur int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm);
2187 const SSL_CIPHER *SSL_CIPHER_find(SSL *ssl, const unsigned char *ptr);
2188 int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c);
2189 int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c);
2190 int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len,
2191 int isv2format, STACK_OF(SSL_CIPHER) **sk,
2192 STACK_OF(SSL_CIPHER) **scsvs);
2194 /* TLS extensions functions */
2195 __owur int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len);
2197 __owur int SSL_set_session_ticket_ext_cb(SSL *s,
2198 tls_session_ticket_ext_cb_fn cb,
2201 /* Pre-shared secret session resumption functions */
2202 __owur int SSL_set_session_secret_cb(SSL *s,
2203 tls_session_secret_cb_fn session_secret_cb,
2206 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx,
2207 int (*cb) (SSL *ssl,
2209 is_forward_secure));
2211 void SSL_set_not_resumable_session_callback(SSL *ssl,
2212 int (*cb) (SSL *ssl,
2213 int is_forward_secure));
2215 void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx,
2216 size_t (*cb) (SSL *ssl, int type,
2217 size_t len, void *arg));
2218 void SSL_CTX_set_record_padding_callback_arg(SSL_CTX *ctx, void *arg);
2219 void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX *ctx);
2220 int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size);
2222 int SSL_set_record_padding_callback(SSL *ssl,
2223 size_t (*cb) (SSL *ssl, int type,
2224 size_t len, void *arg));
2225 void SSL_set_record_padding_callback_arg(SSL *ssl, void *arg);
2226 void *SSL_get_record_padding_callback_arg(const SSL *ssl);
2227 int SSL_set_block_padding(SSL *ssl, size_t block_size);
2229 int SSL_set_num_tickets(SSL *s, size_t num_tickets);
2230 size_t SSL_get_num_tickets(const SSL *s);
2231 int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets);
2232 size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx);
2234 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
2235 # define SSL_cache_hit(s) SSL_session_reused(s)
2238 __owur int SSL_session_reused(const SSL *s);
2239 __owur int SSL_is_server(const SSL *s);
2241 __owur __owur SSL_CONF_CTX *SSL_CONF_CTX_new(void);
2242 int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx);
2243 void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx);
2244 unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags);
2245 __owur unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx,
2246 unsigned int flags);
2247 __owur int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre);
2249 void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl);
2250 void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx);
2252 __owur int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value);
2253 __owur int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv);
2254 __owur int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd);
2256 void SSL_add_ssl_module(void);
2257 int SSL_config(SSL *s, const char *name);
2258 int SSL_CTX_config(SSL_CTX *ctx, const char *name);
2260 # ifndef OPENSSL_NO_SSL_TRACE
2261 void SSL_trace(int write_p, int version, int content_type,
2262 const void *buf, size_t len, SSL *ssl, void *arg);
2265 # ifndef OPENSSL_NO_SOCK
2266 int DTLSv1_listen(SSL *s, BIO_ADDR *client);
2269 # ifndef OPENSSL_NO_CT
2272 * A callback for verifying that the received SCTs are sufficient.
2273 * Expected to return 1 if they are sufficient, otherwise 0.
2274 * May return a negative integer if an error occurs.
2275 * A connection should be aborted if the SCTs are deemed insufficient.
2277 typedef int (*ssl_ct_validation_cb)(const CT_POLICY_EVAL_CTX *ctx,
2278 const STACK_OF(SCT) *scts, void *arg);
2281 * Sets a |callback| that is invoked upon receipt of ServerHelloDone to validate
2282 * the received SCTs.
2283 * If the callback returns a non-positive result, the connection is terminated.
2284 * Call this function before beginning a handshake.
2285 * If a NULL |callback| is provided, SCT validation is disabled.
2286 * |arg| is arbitrary userdata that will be passed to the callback whenever it
2287 * is invoked. Ownership of |arg| remains with the caller.
2289 * NOTE: A side-effect of setting a CT callback is that an OCSP stapled response
2290 * will be requested.
2292 int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback,
2294 int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx,
2295 ssl_ct_validation_cb callback,
2297 #define SSL_disable_ct(s) \
2298 ((void) SSL_set_validation_callback((s), NULL, NULL))
2299 #define SSL_CTX_disable_ct(ctx) \
2300 ((void) SSL_CTX_set_validation_callback((ctx), NULL, NULL))
2303 * The validation type enumerates the available behaviours of the built-in SSL
2304 * CT validation callback selected via SSL_enable_ct() and SSL_CTX_enable_ct().
2305 * The underlying callback is a static function in libssl.
2308 SSL_CT_VALIDATION_PERMISSIVE = 0,
2309 SSL_CT_VALIDATION_STRICT
2313 * Enable CT by setting up a callback that implements one of the built-in
2314 * validation variants. The SSL_CT_VALIDATION_PERMISSIVE variant always
2315 * continues the handshake, the application can make appropriate decisions at
2316 * handshake completion. The SSL_CT_VALIDATION_STRICT variant requires at
2317 * least one valid SCT, or else handshake termination will be requested. The
2318 * handshake may continue anyway if SSL_VERIFY_NONE is in effect.
2320 int SSL_enable_ct(SSL *s, int validation_mode);
2321 int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode);
2324 * Report whether a non-NULL callback is enabled.
2326 int SSL_ct_is_enabled(const SSL *s);
2327 int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx);
2329 /* Gets the SCTs received from a connection */
2330 const STACK_OF(SCT) *SSL_get0_peer_scts(SSL *s);
2333 * Loads the CT log list from the default location.
2334 * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2335 * the log information loaded from this file will be appended to the
2337 * Returns 1 on success, 0 otherwise.
2339 int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx);
2342 * Loads the CT log list from the specified file path.
2343 * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2344 * the log information loaded from this file will be appended to the
2346 * Returns 1 on success, 0 otherwise.
2348 int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path);
2351 * Sets the CT log list used by all SSL connections created from this SSL_CTX.
2352 * Ownership of the CTLOG_STORE is transferred to the SSL_CTX.
2354 void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE *logs);
2357 * Gets the CT log list used by all SSL connections created from this SSL_CTX.
2358 * This will be NULL unless one of the following functions has been called:
2359 * - SSL_CTX_set_default_ctlog_list_file
2360 * - SSL_CTX_set_ctlog_list_file
2361 * - SSL_CTX_set_ctlog_store
2363 const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx);
2365 # endif /* OPENSSL_NO_CT */
2367 /* What the "other" parameter contains in security callback */
2369 # define SSL_SECOP_OTHER_TYPE 0xffff0000
2370 # define SSL_SECOP_OTHER_NONE 0
2371 # define SSL_SECOP_OTHER_CIPHER (1 << 16)
2372 # define SSL_SECOP_OTHER_CURVE (2 << 16)
2373 # define SSL_SECOP_OTHER_DH (3 << 16)
2374 # define SSL_SECOP_OTHER_PKEY (4 << 16)
2375 # define SSL_SECOP_OTHER_SIGALG (5 << 16)
2376 # define SSL_SECOP_OTHER_CERT (6 << 16)
2378 /* Indicated operation refers to peer key or certificate */
2379 # define SSL_SECOP_PEER 0x1000
2381 /* Values for "op" parameter in security callback */
2383 /* Called to filter ciphers */
2384 /* Ciphers client supports */
2385 # define SSL_SECOP_CIPHER_SUPPORTED (1 | SSL_SECOP_OTHER_CIPHER)
2386 /* Cipher shared by client/server */
2387 # define SSL_SECOP_CIPHER_SHARED (2 | SSL_SECOP_OTHER_CIPHER)
2388 /* Sanity check of cipher server selects */
2389 # define SSL_SECOP_CIPHER_CHECK (3 | SSL_SECOP_OTHER_CIPHER)
2390 /* Curves supported by client */
2391 # define SSL_SECOP_CURVE_SUPPORTED (4 | SSL_SECOP_OTHER_CURVE)
2392 /* Curves shared by client/server */
2393 # define SSL_SECOP_CURVE_SHARED (5 | SSL_SECOP_OTHER_CURVE)
2394 /* Sanity check of curve server selects */
2395 # define SSL_SECOP_CURVE_CHECK (6 | SSL_SECOP_OTHER_CURVE)
2396 /* Temporary DH key */
2397 # define SSL_SECOP_TMP_DH (7 | SSL_SECOP_OTHER_PKEY)
2398 /* SSL/TLS version */
2399 # define SSL_SECOP_VERSION (9 | SSL_SECOP_OTHER_NONE)
2400 /* Session tickets */
2401 # define SSL_SECOP_TICKET (10 | SSL_SECOP_OTHER_NONE)
2402 /* Supported signature algorithms sent to peer */
2403 # define SSL_SECOP_SIGALG_SUPPORTED (11 | SSL_SECOP_OTHER_SIGALG)
2404 /* Shared signature algorithm */
2405 # define SSL_SECOP_SIGALG_SHARED (12 | SSL_SECOP_OTHER_SIGALG)
2406 /* Sanity check signature algorithm allowed */
2407 # define SSL_SECOP_SIGALG_CHECK (13 | SSL_SECOP_OTHER_SIGALG)
2408 /* Used to get mask of supported public key signature algorithms */
2409 # define SSL_SECOP_SIGALG_MASK (14 | SSL_SECOP_OTHER_SIGALG)
2410 /* Use to see if compression is allowed */
2411 # define SSL_SECOP_COMPRESSION (15 | SSL_SECOP_OTHER_NONE)
2412 /* EE key in certificate */
2413 # define SSL_SECOP_EE_KEY (16 | SSL_SECOP_OTHER_CERT)
2414 /* CA key in certificate */
2415 # define SSL_SECOP_CA_KEY (17 | SSL_SECOP_OTHER_CERT)
2416 /* CA digest algorithm in certificate */
2417 # define SSL_SECOP_CA_MD (18 | SSL_SECOP_OTHER_CERT)
2418 /* Peer EE key in certificate */
2419 # define SSL_SECOP_PEER_EE_KEY (SSL_SECOP_EE_KEY | SSL_SECOP_PEER)
2420 /* Peer CA key in certificate */
2421 # define SSL_SECOP_PEER_CA_KEY (SSL_SECOP_CA_KEY | SSL_SECOP_PEER)
2422 /* Peer CA digest algorithm in certificate */
2423 # define SSL_SECOP_PEER_CA_MD (SSL_SECOP_CA_MD | SSL_SECOP_PEER)
2425 void SSL_set_security_level(SSL *s, int level);
2426 __owur int SSL_get_security_level(const SSL *s);
2427 void SSL_set_security_callback(SSL *s,
2428 int (*cb) (const SSL *s, const SSL_CTX *ctx,
2429 int op, int bits, int nid,
2430 void *other, void *ex));
2431 int (*SSL_get_security_callback(const SSL *s)) (const SSL *s,
2432 const SSL_CTX *ctx, int op,
2433 int bits, int nid, void *other,
2435 void SSL_set0_security_ex_data(SSL *s, void *ex);
2436 __owur void *SSL_get0_security_ex_data(const SSL *s);
2438 void SSL_CTX_set_security_level(SSL_CTX *ctx, int level);
2439 __owur int SSL_CTX_get_security_level(const SSL_CTX *ctx);
2440 void SSL_CTX_set_security_callback(SSL_CTX *ctx,
2441 int (*cb) (const SSL *s, const SSL_CTX *ctx,
2442 int op, int bits, int nid,
2443 void *other, void *ex));
2444 int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (const SSL *s,
2450 void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex);
2451 __owur void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx);
2453 /* OPENSSL_INIT flag 0x010000 reserved for internal use */
2454 # define OPENSSL_INIT_NO_LOAD_SSL_STRINGS 0x00100000L
2455 # define OPENSSL_INIT_LOAD_SSL_STRINGS 0x00200000L
2457 # define OPENSSL_INIT_SSL_DEFAULT \
2458 (OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS)
2460 int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
2462 # ifndef OPENSSL_NO_UNIT_TEST
2463 __owur const struct openssl_ssl_test_functions *SSL_test_functions(void);
2466 __owur int SSL_free_buffers(SSL *ssl);
2467 __owur int SSL_alloc_buffers(SSL *ssl);
2469 /* Status codes passed to the decrypt session ticket callback. Some of these
2470 * are for internal use only and are never passed to the callback. */
2471 typedef int SSL_TICKET_STATUS;
2473 /* Support for ticket appdata */
2474 /* fatal error, malloc failure */
2475 # define SSL_TICKET_FATAL_ERR_MALLOC 0
2476 /* fatal error, either from parsing or decrypting the ticket */
2477 # define SSL_TICKET_FATAL_ERR_OTHER 1
2478 /* No ticket present */
2479 # define SSL_TICKET_NONE 2
2480 /* Empty ticket present */
2481 # define SSL_TICKET_EMPTY 3
2482 /* the ticket couldn't be decrypted */
2483 # define SSL_TICKET_NO_DECRYPT 4
2484 /* a ticket was successfully decrypted */
2485 # define SSL_TICKET_SUCCESS 5
2486 /* same as above but the ticket needs to be renewed */
2487 # define SSL_TICKET_SUCCESS_RENEW 6
2489 /* Return codes for the decrypt session ticket callback */
2490 typedef int SSL_TICKET_RETURN;
2492 /* An error occurred */
2493 #define SSL_TICKET_RETURN_ABORT 0
2494 /* Do not use the ticket, do not send a renewed ticket to the client */
2495 #define SSL_TICKET_RETURN_IGNORE 1
2496 /* Do not use the ticket, send a renewed ticket to the client */
2497 #define SSL_TICKET_RETURN_IGNORE_RENEW 2
2498 /* Use the ticket, do not send a renewed ticket to the client */
2499 #define SSL_TICKET_RETURN_USE 3
2500 /* Use the ticket, send a renewed ticket to the client */
2501 #define SSL_TICKET_RETURN_USE_RENEW 4
2503 typedef int (*SSL_CTX_generate_session_ticket_fn)(SSL *s, void *arg);
2504 typedef SSL_TICKET_RETURN (*SSL_CTX_decrypt_session_ticket_fn)(SSL *s, SSL_SESSION *ss,
2505 const unsigned char *keyname,
2506 size_t keyname_length,
2507 SSL_TICKET_STATUS status,
2509 int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx,
2510 SSL_CTX_generate_session_ticket_fn gen_cb,
2511 SSL_CTX_decrypt_session_ticket_fn dec_cb,
2513 int SSL_SESSION_set1_ticket_appdata(SSL_SESSION *ss, const void *data, size_t len);
2514 int SSL_SESSION_get0_ticket_appdata(SSL_SESSION *ss, void **data, size_t *len);
2516 typedef unsigned int (*DTLS_timer_cb)(SSL *s, unsigned int timer_us);
2518 void DTLS_set_timer_cb(SSL *s, DTLS_timer_cb cb);
2521 typedef int (*SSL_allow_early_data_cb_fn)(SSL *s, void *arg);
2522 void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx,
2523 SSL_allow_early_data_cb_fn cb,
2525 void SSL_set_allow_early_data_cb(SSL *s,
2526 SSL_allow_early_data_cb_fn cb,
2529 /* store the default cipher strings inside the library */
2530 const char *OSSL_default_cipher_list(void);
2531 const char *OSSL_default_ciphersuites(void);