2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
4 * Copyright 2005 Nokia. All rights reserved.
6 * Licensed under the Apache License 2.0 (the "License"). You may not use
7 * this file except in compliance with the License. You can obtain a copy
8 * in the file LICENSE in the source distribution or at
9 * https://www.openssl.org/source/license.html
15 # include <openssl/e_os2.h>
16 # include <openssl/opensslconf.h>
17 # include <openssl/comp.h>
18 # include <openssl/bio.h>
19 # if !OPENSSL_API_1_1_0
20 # include <openssl/x509.h>
21 # include <openssl/crypto.h>
22 # include <openssl/buffer.h>
24 # include <openssl/lhash.h>
25 # include <openssl/pem.h>
26 # include <openssl/hmac.h>
27 # include <openssl/async.h>
29 # include <openssl/safestack.h>
30 # include <openssl/symhacks.h>
31 # include <openssl/ct.h>
32 # include <openssl/sslerr.h>
38 /* OpenSSL version number for ASN.1 encoding of the session information */
40 * Version 0 - initial version
41 * Version 1 - added the optional peer certificate
43 # define SSL_SESSION_ASN1_VERSION 0x0001
45 # define SSL_MAX_SSL_SESSION_ID_LENGTH 32
46 # define SSL_MAX_SID_CTX_LENGTH 32
48 # define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES (512/8)
49 # define SSL_MAX_KEY_ARG_LENGTH 8
50 # define SSL_MAX_MASTER_KEY_LENGTH 48
52 /* The maximum number of encrypt/decrypt pipelines we can support */
53 # define SSL_MAX_PIPELINES 32
55 /* text strings for the ciphers */
57 /* These are used to specify which ciphers to use and not to use */
59 # define SSL_TXT_LOW "LOW"
60 # define SSL_TXT_MEDIUM "MEDIUM"
61 # define SSL_TXT_HIGH "HIGH"
62 # define SSL_TXT_FIPS "FIPS"
64 # define SSL_TXT_aNULL "aNULL"
65 # define SSL_TXT_eNULL "eNULL"
66 # define SSL_TXT_NULL "NULL"
68 # define SSL_TXT_kRSA "kRSA"
69 # define SSL_TXT_kDHr "kDHr"/* this cipher class has been removed */
70 # define SSL_TXT_kDHd "kDHd"/* this cipher class has been removed */
71 # define SSL_TXT_kDH "kDH"/* this cipher class has been removed */
72 # define SSL_TXT_kEDH "kEDH"/* alias for kDHE */
73 # define SSL_TXT_kDHE "kDHE"
74 # define SSL_TXT_kECDHr "kECDHr"/* this cipher class has been removed */
75 # define SSL_TXT_kECDHe "kECDHe"/* this cipher class has been removed */
76 # define SSL_TXT_kECDH "kECDH"/* this cipher class has been removed */
77 # define SSL_TXT_kEECDH "kEECDH"/* alias for kECDHE */
78 # define SSL_TXT_kECDHE "kECDHE"
79 # define SSL_TXT_kPSK "kPSK"
80 # define SSL_TXT_kRSAPSK "kRSAPSK"
81 # define SSL_TXT_kECDHEPSK "kECDHEPSK"
82 # define SSL_TXT_kDHEPSK "kDHEPSK"
83 # define SSL_TXT_kGOST "kGOST"
84 # define SSL_TXT_kSRP "kSRP"
86 # define SSL_TXT_aRSA "aRSA"
87 # define SSL_TXT_aDSS "aDSS"
88 # define SSL_TXT_aDH "aDH"/* this cipher class has been removed */
89 # define SSL_TXT_aECDH "aECDH"/* this cipher class has been removed */
90 # define SSL_TXT_aECDSA "aECDSA"
91 # define SSL_TXT_aPSK "aPSK"
92 # define SSL_TXT_aGOST94 "aGOST94"
93 # define SSL_TXT_aGOST01 "aGOST01"
94 # define SSL_TXT_aGOST12 "aGOST12"
95 # define SSL_TXT_aGOST "aGOST"
96 # define SSL_TXT_aSRP "aSRP"
98 # define SSL_TXT_DSS "DSS"
99 # define SSL_TXT_DH "DH"
100 # define SSL_TXT_DHE "DHE"/* same as "kDHE:-ADH" */
101 # define SSL_TXT_EDH "EDH"/* alias for DHE */
102 # define SSL_TXT_ADH "ADH"
103 # define SSL_TXT_RSA "RSA"
104 # define SSL_TXT_ECDH "ECDH"
105 # define SSL_TXT_EECDH "EECDH"/* alias for ECDHE" */
106 # define SSL_TXT_ECDHE "ECDHE"/* same as "kECDHE:-AECDH" */
107 # define SSL_TXT_AECDH "AECDH"
108 # define SSL_TXT_ECDSA "ECDSA"
109 # define SSL_TXT_PSK "PSK"
110 # define SSL_TXT_SRP "SRP"
112 # define SSL_TXT_DES "DES"
113 # define SSL_TXT_3DES "3DES"
114 # define SSL_TXT_RC4 "RC4"
115 # define SSL_TXT_RC2 "RC2"
116 # define SSL_TXT_IDEA "IDEA"
117 # define SSL_TXT_SEED "SEED"
118 # define SSL_TXT_AES128 "AES128"
119 # define SSL_TXT_AES256 "AES256"
120 # define SSL_TXT_AES "AES"
121 # define SSL_TXT_AES_GCM "AESGCM"
122 # define SSL_TXT_AES_CCM "AESCCM"
123 # define SSL_TXT_AES_CCM_8 "AESCCM8"
124 # define SSL_TXT_CAMELLIA128 "CAMELLIA128"
125 # define SSL_TXT_CAMELLIA256 "CAMELLIA256"
126 # define SSL_TXT_CAMELLIA "CAMELLIA"
127 # define SSL_TXT_CHACHA20 "CHACHA20"
128 # define SSL_TXT_GOST "GOST89"
129 # define SSL_TXT_ARIA "ARIA"
130 # define SSL_TXT_ARIA_GCM "ARIAGCM"
131 # define SSL_TXT_ARIA128 "ARIA128"
132 # define SSL_TXT_ARIA256 "ARIA256"
134 # define SSL_TXT_MD5 "MD5"
135 # define SSL_TXT_SHA1 "SHA1"
136 # define SSL_TXT_SHA "SHA"/* same as "SHA1" */
137 # define SSL_TXT_GOST94 "GOST94"
138 # define SSL_TXT_GOST89MAC "GOST89MAC"
139 # define SSL_TXT_GOST12 "GOST12"
140 # define SSL_TXT_GOST89MAC12 "GOST89MAC12"
141 # define SSL_TXT_SHA256 "SHA256"
142 # define SSL_TXT_SHA384 "SHA384"
144 # define SSL_TXT_SSLV3 "SSLv3"
145 # define SSL_TXT_TLSV1 "TLSv1"
146 # define SSL_TXT_TLSV1_1 "TLSv1.1"
147 # define SSL_TXT_TLSV1_2 "TLSv1.2"
149 # define SSL_TXT_ALL "ALL"
152 * COMPLEMENTOF* definitions. These identifiers are used to (de-select)
153 * ciphers normally not being used.
154 * Example: "RC4" will activate all ciphers using RC4 including ciphers
155 * without authentication, which would normally disabled by DEFAULT (due
156 * the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT"
157 * will make sure that it is also disabled in the specific selection.
158 * COMPLEMENTOF* identifiers are portable between version, as adjustments
159 * to the default cipher setup will also be included here.
161 * COMPLEMENTOFDEFAULT does not experience the same special treatment that
162 * DEFAULT gets, as only selection is being done and no sorting as needed
165 # define SSL_TXT_CMPALL "COMPLEMENTOFALL"
166 # define SSL_TXT_CMPDEF "COMPLEMENTOFDEFAULT"
169 * The following cipher list is used by default. It also is substituted when
170 * an application-defined cipher list string starts with 'DEFAULT'.
171 * This applies to ciphersuites for TLSv1.2 and below.
173 # define SSL_DEFAULT_CIPHER_LIST "ALL:!COMPLEMENTOFDEFAULT:!eNULL"
174 /* This is the default set of TLSv1.3 ciphersuites */
175 # if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
176 # define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \
177 "TLS_CHACHA20_POLY1305_SHA256:" \
178 "TLS_AES_128_GCM_SHA256"
180 # define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \
181 "TLS_AES_128_GCM_SHA256"
184 * As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always
185 * starts with a reasonable order, and all we have to do for DEFAULT is
186 * throwing out anonymous and unencrypted ciphersuites! (The latter are not
187 * actually enabled by ALL, but "ALL:RSA" would enable some of them.)
190 /* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
191 # define SSL_SENT_SHUTDOWN 1
192 # define SSL_RECEIVED_SHUTDOWN 2
202 # define SSL_FILETYPE_ASN1 X509_FILETYPE_ASN1
203 # define SSL_FILETYPE_PEM X509_FILETYPE_PEM
206 * This is needed to stop compilers complaining about the 'struct ssl_st *'
207 * function parameters used to prototype callbacks in SSL_CTX.
209 typedef struct ssl_st *ssl_crock_st;
210 typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
211 typedef struct ssl_method_st SSL_METHOD;
212 typedef struct ssl_cipher_st SSL_CIPHER;
213 typedef struct ssl_session_st SSL_SESSION;
214 typedef struct tls_sigalgs_st TLS_SIGALGS;
215 typedef struct ssl_conf_ctx_st SSL_CONF_CTX;
216 typedef struct ssl_comp_st SSL_COMP;
218 STACK_OF(SSL_CIPHER);
221 /* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/
222 typedef struct srtp_protection_profile_st {
225 } SRTP_PROTECTION_PROFILE;
227 DEFINE_STACK_OF(SRTP_PROTECTION_PROFILE)
229 typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data,
231 typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len,
232 STACK_OF(SSL_CIPHER) *peer_ciphers,
233 const SSL_CIPHER **cipher, void *arg);
235 /* Extension context codes */
236 /* This extension is only allowed in TLS */
237 #define SSL_EXT_TLS_ONLY 0x0001
238 /* This extension is only allowed in DTLS */
239 #define SSL_EXT_DTLS_ONLY 0x0002
240 /* Some extensions may be allowed in DTLS but we don't implement them for it */
241 #define SSL_EXT_TLS_IMPLEMENTATION_ONLY 0x0004
242 /* Most extensions are not defined for SSLv3 but EXT_TYPE_renegotiate is */
243 #define SSL_EXT_SSL3_ALLOWED 0x0008
244 /* Extension is only defined for TLS1.2 and below */
245 #define SSL_EXT_TLS1_2_AND_BELOW_ONLY 0x0010
246 /* Extension is only defined for TLS1.3 and above */
247 #define SSL_EXT_TLS1_3_ONLY 0x0020
248 /* Ignore this extension during parsing if we are resuming */
249 #define SSL_EXT_IGNORE_ON_RESUMPTION 0x0040
250 #define SSL_EXT_CLIENT_HELLO 0x0080
251 /* Really means TLS1.2 or below */
252 #define SSL_EXT_TLS1_2_SERVER_HELLO 0x0100
253 #define SSL_EXT_TLS1_3_SERVER_HELLO 0x0200
254 #define SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS 0x0400
255 #define SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST 0x0800
256 #define SSL_EXT_TLS1_3_CERTIFICATE 0x1000
257 #define SSL_EXT_TLS1_3_NEW_SESSION_TICKET 0x2000
258 #define SSL_EXT_TLS1_3_CERTIFICATE_REQUEST 0x4000
260 /* Typedefs for handling custom extensions */
262 typedef int (*custom_ext_add_cb)(SSL *s, unsigned int ext_type,
263 const unsigned char **out, size_t *outlen,
264 int *al, void *add_arg);
266 typedef void (*custom_ext_free_cb)(SSL *s, unsigned int ext_type,
267 const unsigned char *out, void *add_arg);
269 typedef int (*custom_ext_parse_cb)(SSL *s, unsigned int ext_type,
270 const unsigned char *in, size_t inlen,
271 int *al, void *parse_arg);
274 typedef int (*SSL_custom_ext_add_cb_ex)(SSL *s, unsigned int ext_type,
275 unsigned int context,
276 const unsigned char **out,
277 size_t *outlen, X509 *x,
279 int *al, void *add_arg);
281 typedef void (*SSL_custom_ext_free_cb_ex)(SSL *s, unsigned int ext_type,
282 unsigned int context,
283 const unsigned char *out,
286 typedef int (*SSL_custom_ext_parse_cb_ex)(SSL *s, unsigned int ext_type,
287 unsigned int context,
288 const unsigned char *in,
289 size_t inlen, X509 *x,
291 int *al, void *parse_arg);
293 /* Typedef for verification callback */
294 typedef int (*SSL_verify_cb)(int preverify_ok, X509_STORE_CTX *x509_ctx);
296 /* Typedef for SSL async callback */
297 typedef int (*SSL_async_callback_fn)(SSL *s, void *arg);
300 * Some values are reserved until OpenSSL 3.0.0 because they were previously
301 * included in SSL_OP_ALL in a 1.1.x release.
304 /* Disable Extended master secret */
305 # define SSL_OP_NO_EXTENDED_MASTER_SECRET 0x00000001U
307 /* Reserved value (until OpenSSL 3.0.0) 0x00000002U */
309 /* Allow initial connection to servers that don't support RI */
310 # define SSL_OP_LEGACY_SERVER_CONNECT 0x00000004U
312 /* Reserved value (until OpenSSL 3.0.0) 0x00000008U */
313 # define SSL_OP_TLSEXT_PADDING 0x00000010U
314 /* Reserved value (until OpenSSL 3.0.0) 0x00000020U */
315 # define SSL_OP_SAFARI_ECDHE_ECDSA_BUG 0x00000040U
317 * Reserved value (until OpenSSL 3.0.0) 0x00000080U
318 * Reserved value (until OpenSSL 3.0.0) 0x00000100U
319 * Reserved value (until OpenSSL 3.0.0) 0x00000200U
322 /* In TLSv1.3 allow a non-(ec)dhe based kex_mode */
323 # define SSL_OP_ALLOW_NO_DHE_KEX 0x00000400U
326 * Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added in
327 * OpenSSL 0.9.6d. Usually (depending on the application protocol) the
328 * workaround is not needed. Unfortunately some broken SSL/TLS
329 * implementations cannot handle it at all, which is why we include it in
330 * SSL_OP_ALL. Added in 0.9.6e
332 # define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS 0x00000800U
335 # define SSL_OP_NO_QUERY_MTU 0x00001000U
336 /* Turn on Cookie Exchange (on relevant for servers) */
337 # define SSL_OP_COOKIE_EXCHANGE 0x00002000U
338 /* Don't use RFC4507 ticket extension */
339 # define SSL_OP_NO_TICKET 0x00004000U
340 # ifndef OPENSSL_NO_DTLS1_METHOD
341 /* Use Cisco's "speshul" version of DTLS_BAD_VER
342 * (only with deprecated DTLSv1_client_method()) */
343 # define SSL_OP_CISCO_ANYCONNECT 0x00008000U
346 /* As server, disallow session resumption on renegotiation */
347 # define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION 0x00010000U
348 /* Don't use compression even if supported */
349 # define SSL_OP_NO_COMPRESSION 0x00020000U
350 /* Permit unsafe legacy renegotiation */
351 # define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION 0x00040000U
352 /* Disable encrypt-then-mac */
353 # define SSL_OP_NO_ENCRYPT_THEN_MAC 0x00080000U
356 * Enable TLSv1.3 Compatibility mode. This is on by default. A future version
357 * of OpenSSL may have this disabled by default.
359 # define SSL_OP_ENABLE_MIDDLEBOX_COMPAT 0x00100000U
361 /* Prioritize Chacha20Poly1305 when client does.
362 * Modifies SSL_OP_CIPHER_SERVER_PREFERENCE */
363 # define SSL_OP_PRIORITIZE_CHACHA 0x00200000U
366 * Set on servers to choose the cipher according to the server's preferences
368 # define SSL_OP_CIPHER_SERVER_PREFERENCE 0x00400000U
370 * If set, a server will allow a client to issue a SSLv3.0 version number as
371 * latest version supported in the premaster secret, even when TLSv1.0
372 * (version 3.1) was announced in the client hello. Normally this is
373 * forbidden to prevent version rollback attacks.
375 # define SSL_OP_TLS_ROLLBACK_BUG 0x00800000U
378 * Switches off automatic TLSv1.3 anti-replay protection for early data. This
379 * is a server-side option only (no effect on the client).
381 # define SSL_OP_NO_ANTI_REPLAY 0x01000000U
383 # define SSL_OP_NO_SSLv3 0x02000000U
384 # define SSL_OP_NO_TLSv1 0x04000000U
385 # define SSL_OP_NO_TLSv1_2 0x08000000U
386 # define SSL_OP_NO_TLSv1_1 0x10000000U
387 # define SSL_OP_NO_TLSv1_3 0x20000000U
389 # define SSL_OP_NO_DTLSv1 0x04000000U
390 # define SSL_OP_NO_DTLSv1_2 0x08000000U
392 # define SSL_OP_NO_SSL_MASK (SSL_OP_NO_SSLv3|\
393 SSL_OP_NO_TLSv1|SSL_OP_NO_TLSv1_1|SSL_OP_NO_TLSv1_2|SSL_OP_NO_TLSv1_3)
394 # define SSL_OP_NO_DTLS_MASK (SSL_OP_NO_DTLSv1|SSL_OP_NO_DTLSv1_2)
396 /* Disallow all renegotiation */
397 # define SSL_OP_NO_RENEGOTIATION 0x40000000U
400 * Make server add server-hello extension from early version of cryptopro
401 * draft, when GOST ciphersuite is negotiated. Required for interoperability
402 * with CryptoPro CSP 3.x
404 # define SSL_OP_CRYPTOPRO_TLSEXT_BUG 0x80000000U
407 * SSL_OP_ALL: various bug workarounds that should be rather harmless.
408 * This used to be 0x000FFFFFL before 0.9.7.
409 * This used to be 0x80000BFFU before 1.1.1.
411 # define SSL_OP_ALL (SSL_OP_CRYPTOPRO_TLSEXT_BUG|\
412 SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS|\
413 SSL_OP_LEGACY_SERVER_CONNECT|\
414 SSL_OP_TLSEXT_PADDING|\
415 SSL_OP_SAFARI_ECDHE_ECDSA_BUG)
417 /* OBSOLETE OPTIONS: retained for compatibility */
419 /* Removed from OpenSSL 1.1.0. Was 0x00000001L */
420 /* Related to removed SSLv2. */
421 # define SSL_OP_MICROSOFT_SESS_ID_BUG 0x0
422 /* Removed from OpenSSL 1.1.0. Was 0x00000002L */
423 /* Related to removed SSLv2. */
424 # define SSL_OP_NETSCAPE_CHALLENGE_BUG 0x0
425 /* Removed from OpenSSL 0.9.8q and 1.0.0c. Was 0x00000008L */
426 /* Dead forever, see CVE-2010-4180 */
427 # define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG 0x0
428 /* Removed from OpenSSL 1.0.1h and 1.0.2. Was 0x00000010L */
429 /* Refers to ancient SSLREF and SSLv2. */
430 # define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG 0x0
431 /* Removed from OpenSSL 1.1.0. Was 0x00000020 */
432 # define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER 0x0
433 /* Removed from OpenSSL 0.9.7h and 0.9.8b. Was 0x00000040L */
434 # define SSL_OP_MSIE_SSLV2_RSA_PADDING 0x0
435 /* Removed from OpenSSL 1.1.0. Was 0x00000080 */
436 /* Ancient SSLeay version. */
437 # define SSL_OP_SSLEAY_080_CLIENT_DH_BUG 0x0
438 /* Removed from OpenSSL 1.1.0. Was 0x00000100L */
439 # define SSL_OP_TLS_D5_BUG 0x0
440 /* Removed from OpenSSL 1.1.0. Was 0x00000200L */
441 # define SSL_OP_TLS_BLOCK_PADDING_BUG 0x0
442 /* Removed from OpenSSL 1.1.0. Was 0x00080000L */
443 # define SSL_OP_SINGLE_ECDH_USE 0x0
444 /* Removed from OpenSSL 1.1.0. Was 0x00100000L */
445 # define SSL_OP_SINGLE_DH_USE 0x0
446 /* Removed from OpenSSL 1.0.1k and 1.0.2. Was 0x00200000L */
447 # define SSL_OP_EPHEMERAL_RSA 0x0
448 /* Removed from OpenSSL 1.1.0. Was 0x01000000L */
449 # define SSL_OP_NO_SSLv2 0x0
450 /* Removed from OpenSSL 1.0.1. Was 0x08000000L */
451 # define SSL_OP_PKCS1_CHECK_1 0x0
452 /* Removed from OpenSSL 1.0.1. Was 0x10000000L */
453 # define SSL_OP_PKCS1_CHECK_2 0x0
454 /* Removed from OpenSSL 1.1.0. Was 0x20000000L */
455 # define SSL_OP_NETSCAPE_CA_DN_BUG 0x0
456 /* Removed from OpenSSL 1.1.0. Was 0x40000000L */
457 # define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG 0x0
460 * Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
461 * when just a single record has been written):
463 # define SSL_MODE_ENABLE_PARTIAL_WRITE 0x00000001U
465 * Make it possible to retry SSL_write() with changed buffer location (buffer
466 * contents must stay the same!); this is not the default to avoid the
467 * misconception that non-blocking SSL_write() behaves like non-blocking
470 # define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002U
472 * Never bother the application with retries if the transport is blocking:
474 # define SSL_MODE_AUTO_RETRY 0x00000004U
475 /* Don't attempt to automatically build certificate chain */
476 # define SSL_MODE_NO_AUTO_CHAIN 0x00000008U
478 * Save RAM by releasing read and write buffers when they're empty. (SSL3 and
479 * TLS only.) Released buffers are freed.
481 # define SSL_MODE_RELEASE_BUFFERS 0x00000010U
483 * Send the current time in the Random fields of the ClientHello and
484 * ServerHello records for compatibility with hypothetical implementations
487 # define SSL_MODE_SEND_CLIENTHELLO_TIME 0x00000020U
488 # define SSL_MODE_SEND_SERVERHELLO_TIME 0x00000040U
490 * Send TLS_FALLBACK_SCSV in the ClientHello. To be set only by applications
491 * that reconnect with a downgraded protocol version; see
492 * draft-ietf-tls-downgrade-scsv-00 for details. DO NOT ENABLE THIS if your
493 * application attempts a normal handshake. Only use this in explicit
494 * fallback retries, following the guidance in
495 * draft-ietf-tls-downgrade-scsv-00.
497 # define SSL_MODE_SEND_FALLBACK_SCSV 0x00000080U
499 * Support Asynchronous operation
501 # define SSL_MODE_ASYNC 0x00000100U
503 * Use the kernel TLS transmission data-path.
505 # define SSL_MODE_NO_KTLS_TX 0x00000200U
507 * When using DTLS/SCTP, include the terminating zero in the label
508 * used for computing the endpoint-pair shared secret. Required for
509 * interoperability with implementations having this bug like these
510 * older version of OpenSSL:
511 * - OpenSSL 1.0.0 series
512 * - OpenSSL 1.0.1 series
513 * - OpenSSL 1.0.2 series
514 * - OpenSSL 1.1.0 series
515 * - OpenSSL 1.1.1 and 1.1.1a
517 # define SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG 0x00000400U
519 /* Cert related flags */
521 * Many implementations ignore some aspects of the TLS standards such as
522 * enforcing certificate chain algorithms. When this is set we enforce them.
524 # define SSL_CERT_FLAG_TLS_STRICT 0x00000001U
526 /* Suite B modes, takes same values as certificate verify flags */
527 # define SSL_CERT_FLAG_SUITEB_128_LOS_ONLY 0x10000
528 /* Suite B 192 bit only mode */
529 # define SSL_CERT_FLAG_SUITEB_192_LOS 0x20000
530 /* Suite B 128 bit mode allowing 192 bit algorithms */
531 # define SSL_CERT_FLAG_SUITEB_128_LOS 0x30000
533 /* Perform all sorts of protocol violations for testing purposes */
534 # define SSL_CERT_FLAG_BROKEN_PROTOCOL 0x10000000
536 /* Flags for building certificate chains */
537 /* Treat any existing certificates as untrusted CAs */
538 # define SSL_BUILD_CHAIN_FLAG_UNTRUSTED 0x1
539 /* Don't include root CA in chain */
540 # define SSL_BUILD_CHAIN_FLAG_NO_ROOT 0x2
541 /* Just check certificates already there */
542 # define SSL_BUILD_CHAIN_FLAG_CHECK 0x4
543 /* Ignore verification errors */
544 # define SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR 0x8
545 /* Clear verification errors from queue */
546 # define SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR 0x10
548 /* Flags returned by SSL_check_chain */
549 /* Certificate can be used with this session */
550 # define CERT_PKEY_VALID 0x1
551 /* Certificate can also be used for signing */
552 # define CERT_PKEY_SIGN 0x2
553 /* EE certificate signing algorithm OK */
554 # define CERT_PKEY_EE_SIGNATURE 0x10
555 /* CA signature algorithms OK */
556 # define CERT_PKEY_CA_SIGNATURE 0x20
557 /* EE certificate parameters OK */
558 # define CERT_PKEY_EE_PARAM 0x40
559 /* CA certificate parameters OK */
560 # define CERT_PKEY_CA_PARAM 0x80
561 /* Signing explicitly allowed as opposed to SHA1 fallback */
562 # define CERT_PKEY_EXPLICIT_SIGN 0x100
563 /* Client CA issuer names match (always set for server cert) */
564 # define CERT_PKEY_ISSUER_NAME 0x200
565 /* Cert type matches client types (always set for server cert) */
566 # define CERT_PKEY_CERT_TYPE 0x400
567 /* Cert chain suitable to Suite B */
568 # define CERT_PKEY_SUITEB 0x800
570 # define SSL_CONF_FLAG_CMDLINE 0x1
571 # define SSL_CONF_FLAG_FILE 0x2
572 # define SSL_CONF_FLAG_CLIENT 0x4
573 # define SSL_CONF_FLAG_SERVER 0x8
574 # define SSL_CONF_FLAG_SHOW_ERRORS 0x10
575 # define SSL_CONF_FLAG_CERTIFICATE 0x20
576 # define SSL_CONF_FLAG_REQUIRE_PRIVATE 0x40
577 /* Configuration value types */
578 # define SSL_CONF_TYPE_UNKNOWN 0x0
579 # define SSL_CONF_TYPE_STRING 0x1
580 # define SSL_CONF_TYPE_FILE 0x2
581 # define SSL_CONF_TYPE_DIR 0x3
582 # define SSL_CONF_TYPE_NONE 0x4
584 /* Maximum length of the application-controlled segment of a a TLSv1.3 cookie */
585 # define SSL_COOKIE_LENGTH 4096
588 * Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value, they
589 * cannot be used to clear bits.
592 unsigned long SSL_CTX_get_options(const SSL_CTX *ctx);
593 unsigned long SSL_get_options(const SSL *s);
594 unsigned long SSL_CTX_clear_options(SSL_CTX *ctx, unsigned long op);
595 unsigned long SSL_clear_options(SSL *s, unsigned long op);
596 unsigned long SSL_CTX_set_options(SSL_CTX *ctx, unsigned long op);
597 unsigned long SSL_set_options(SSL *s, unsigned long op);
599 # define SSL_CTX_set_mode(ctx,op) \
600 SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
601 # define SSL_CTX_clear_mode(ctx,op) \
602 SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
603 # define SSL_CTX_get_mode(ctx) \
604 SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
605 # define SSL_clear_mode(ssl,op) \
606 SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
607 # define SSL_set_mode(ssl,op) \
608 SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
609 # define SSL_get_mode(ssl) \
610 SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
611 # define SSL_set_mtu(ssl, mtu) \
612 SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
613 # define DTLS_set_link_mtu(ssl, mtu) \
614 SSL_ctrl((ssl),DTLS_CTRL_SET_LINK_MTU,(mtu),NULL)
615 # define DTLS_get_link_min_mtu(ssl) \
616 SSL_ctrl((ssl),DTLS_CTRL_GET_LINK_MIN_MTU,0,NULL)
618 # define SSL_get_secure_renegotiation_support(ssl) \
619 SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
621 # define SSL_CTX_set_cert_flags(ctx,op) \
622 SSL_CTX_ctrl((ctx),SSL_CTRL_CERT_FLAGS,(op),NULL)
623 # define SSL_set_cert_flags(s,op) \
624 SSL_ctrl((s),SSL_CTRL_CERT_FLAGS,(op),NULL)
625 # define SSL_CTX_clear_cert_flags(ctx,op) \
626 SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
627 # define SSL_clear_cert_flags(s,op) \
628 SSL_ctrl((s),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
630 void SSL_CTX_set_msg_callback(SSL_CTX *ctx,
631 void (*cb) (int write_p, int version,
632 int content_type, const void *buf,
633 size_t len, SSL *ssl, void *arg));
634 void SSL_set_msg_callback(SSL *ssl,
635 void (*cb) (int write_p, int version,
636 int content_type, const void *buf,
637 size_t len, SSL *ssl, void *arg));
638 # define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
639 # define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
641 # define SSL_get_extms_support(s) \
642 SSL_ctrl((s),SSL_CTRL_GET_EXTMS_SUPPORT,0,NULL)
644 # ifndef OPENSSL_NO_SRP
647 __owur int SSL_SRP_CTX_init(SSL *s);
648 __owur int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx);
649 int SSL_SRP_CTX_free(SSL *ctx);
650 int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx);
651 __owur int SSL_srp_server_param_with_username(SSL *s, int *ad);
652 __owur int SRP_Calc_A_param(SSL *s);
656 /* 100k max cert list */
657 # define SSL_MAX_CERT_LIST_DEFAULT 1024*100
659 # define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT (1024*20)
662 * This callback type is used inside SSL_CTX, SSL, and in the functions that
663 * set them. It is used to override the generation of SSL/TLS session IDs in
664 * a server. Return value should be zero on an error, non-zero to proceed.
665 * Also, callbacks should themselves check if the id they generate is unique
666 * otherwise the SSL handshake will fail with an error - callbacks can do
667 * this using the 'ssl' value they're passed by;
668 * SSL_has_matching_session_id(ssl, id, *id_len) The length value passed in
669 * is set at the maximum size the session ID can be. In SSLv3/TLSv1 it is 32
670 * bytes. The callback can alter this length to be less if desired. It is
671 * also an error for the callback to set the size to zero.
673 typedef int (*GEN_SESSION_CB) (SSL *ssl, unsigned char *id,
674 unsigned int *id_len);
676 # define SSL_SESS_CACHE_OFF 0x0000
677 # define SSL_SESS_CACHE_CLIENT 0x0001
678 # define SSL_SESS_CACHE_SERVER 0x0002
679 # define SSL_SESS_CACHE_BOTH (SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER)
680 # define SSL_SESS_CACHE_NO_AUTO_CLEAR 0x0080
681 /* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
682 # define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP 0x0100
683 # define SSL_SESS_CACHE_NO_INTERNAL_STORE 0x0200
684 # define SSL_SESS_CACHE_NO_INTERNAL \
685 (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE)
687 LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx);
688 # define SSL_CTX_sess_number(ctx) \
689 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
690 # define SSL_CTX_sess_connect(ctx) \
691 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
692 # define SSL_CTX_sess_connect_good(ctx) \
693 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
694 # define SSL_CTX_sess_connect_renegotiate(ctx) \
695 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
696 # define SSL_CTX_sess_accept(ctx) \
697 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
698 # define SSL_CTX_sess_accept_renegotiate(ctx) \
699 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
700 # define SSL_CTX_sess_accept_good(ctx) \
701 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
702 # define SSL_CTX_sess_hits(ctx) \
703 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
704 # define SSL_CTX_sess_cb_hits(ctx) \
705 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
706 # define SSL_CTX_sess_misses(ctx) \
707 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
708 # define SSL_CTX_sess_timeouts(ctx) \
709 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
710 # define SSL_CTX_sess_cache_full(ctx) \
711 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
713 void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
714 int (*new_session_cb) (struct ssl_st *ssl,
716 int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx)) (struct ssl_st *ssl,
718 void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
719 void (*remove_session_cb) (struct ssl_ctx_st
722 void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx)) (struct ssl_ctx_st *ctx,
724 void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
725 SSL_SESSION *(*get_session_cb) (struct ssl_st
730 SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx)) (struct ssl_st *ssl,
731 const unsigned char *data,
733 void SSL_CTX_set_info_callback(SSL_CTX *ctx,
734 void (*cb) (const SSL *ssl, int type, int val));
735 void (*SSL_CTX_get_info_callback(SSL_CTX *ctx)) (const SSL *ssl, int type,
737 void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
738 int (*client_cert_cb) (SSL *ssl, X509 **x509,
740 int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx)) (SSL *ssl, X509 **x509,
742 # ifndef OPENSSL_NO_ENGINE
743 __owur int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e);
745 void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
746 int (*app_gen_cookie_cb) (SSL *ssl,
751 void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
752 int (*app_verify_cookie_cb) (SSL *ssl,
758 void SSL_CTX_set_stateless_cookie_generate_cb(
760 int (*gen_stateless_cookie_cb) (SSL *ssl,
761 unsigned char *cookie,
762 size_t *cookie_len));
763 void SSL_CTX_set_stateless_cookie_verify_cb(
765 int (*verify_stateless_cookie_cb) (SSL *ssl,
766 const unsigned char *cookie,
768 # ifndef OPENSSL_NO_NEXTPROTONEG
770 typedef int (*SSL_CTX_npn_advertised_cb_func)(SSL *ssl,
771 const unsigned char **out,
772 unsigned int *outlen,
774 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s,
775 SSL_CTX_npn_advertised_cb_func cb,
777 # define SSL_CTX_set_npn_advertised_cb SSL_CTX_set_next_protos_advertised_cb
779 typedef int (*SSL_CTX_npn_select_cb_func)(SSL *s,
781 unsigned char *outlen,
782 const unsigned char *in,
785 void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s,
786 SSL_CTX_npn_select_cb_func cb,
788 # define SSL_CTX_set_npn_select_cb SSL_CTX_set_next_proto_select_cb
790 void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data,
792 # define SSL_get0_npn_negotiated SSL_get0_next_proto_negotiated
795 __owur int SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
796 const unsigned char *in, unsigned int inlen,
797 const unsigned char *client,
798 unsigned int client_len);
800 # define OPENSSL_NPN_UNSUPPORTED 0
801 # define OPENSSL_NPN_NEGOTIATED 1
802 # define OPENSSL_NPN_NO_OVERLAP 2
804 __owur int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos,
805 unsigned int protos_len);
806 __owur int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos,
807 unsigned int protos_len);
808 typedef int (*SSL_CTX_alpn_select_cb_func)(SSL *ssl,
809 const unsigned char **out,
810 unsigned char *outlen,
811 const unsigned char *in,
814 void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
815 SSL_CTX_alpn_select_cb_func cb,
817 void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
820 # ifndef OPENSSL_NO_PSK
822 * the maximum length of the buffer given to callbacks containing the
823 * resulting identity/psk
825 # define PSK_MAX_IDENTITY_LEN 128
826 # define PSK_MAX_PSK_LEN 256
827 typedef unsigned int (*SSL_psk_client_cb_func)(SSL *ssl,
830 unsigned int max_identity_len,
832 unsigned int max_psk_len);
833 void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb);
834 void SSL_set_psk_client_callback(SSL *ssl, SSL_psk_client_cb_func cb);
836 typedef unsigned int (*SSL_psk_server_cb_func)(SSL *ssl,
837 const char *identity,
839 unsigned int max_psk_len);
840 void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb);
841 void SSL_set_psk_server_callback(SSL *ssl, SSL_psk_server_cb_func cb);
843 __owur int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint);
844 __owur int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint);
845 const char *SSL_get_psk_identity_hint(const SSL *s);
846 const char *SSL_get_psk_identity(const SSL *s);
849 typedef int (*SSL_psk_find_session_cb_func)(SSL *ssl,
850 const unsigned char *identity,
853 typedef int (*SSL_psk_use_session_cb_func)(SSL *ssl, const EVP_MD *md,
854 const unsigned char **id,
858 void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb);
859 void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx,
860 SSL_psk_find_session_cb_func cb);
861 void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb);
862 void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx,
863 SSL_psk_use_session_cb_func cb);
865 /* Register callbacks to handle custom TLS Extensions for client or server. */
867 __owur int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx,
868 unsigned int ext_type);
870 __owur int SSL_CTX_add_client_custom_ext(SSL_CTX *ctx,
871 unsigned int ext_type,
872 custom_ext_add_cb add_cb,
873 custom_ext_free_cb free_cb,
875 custom_ext_parse_cb parse_cb,
878 __owur int SSL_CTX_add_server_custom_ext(SSL_CTX *ctx,
879 unsigned int ext_type,
880 custom_ext_add_cb add_cb,
881 custom_ext_free_cb free_cb,
883 custom_ext_parse_cb parse_cb,
886 __owur int SSL_CTX_add_custom_ext(SSL_CTX *ctx, unsigned int ext_type,
887 unsigned int context,
888 SSL_custom_ext_add_cb_ex add_cb,
889 SSL_custom_ext_free_cb_ex free_cb,
891 SSL_custom_ext_parse_cb_ex parse_cb,
894 __owur int SSL_extension_supported(unsigned int ext_type);
896 # define SSL_NOTHING 1
897 # define SSL_WRITING 2
898 # define SSL_READING 3
899 # define SSL_X509_LOOKUP 4
900 # define SSL_ASYNC_PAUSED 5
901 # define SSL_ASYNC_NO_JOBS 6
902 # define SSL_CLIENT_HELLO_CB 7
904 /* These will only be used when doing non-blocking IO */
905 # define SSL_want_nothing(s) (SSL_want(s) == SSL_NOTHING)
906 # define SSL_want_read(s) (SSL_want(s) == SSL_READING)
907 # define SSL_want_write(s) (SSL_want(s) == SSL_WRITING)
908 # define SSL_want_x509_lookup(s) (SSL_want(s) == SSL_X509_LOOKUP)
909 # define SSL_want_async(s) (SSL_want(s) == SSL_ASYNC_PAUSED)
910 # define SSL_want_async_job(s) (SSL_want(s) == SSL_ASYNC_NO_JOBS)
911 # define SSL_want_client_hello_cb(s) (SSL_want(s) == SSL_CLIENT_HELLO_CB)
913 # define SSL_MAC_FLAG_READ_MAC_STREAM 1
914 # define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
917 * A callback for logging out TLS key material. This callback should log out
918 * |line| followed by a newline.
920 typedef void (*SSL_CTX_keylog_cb_func)(const SSL *ssl, const char *line);
923 * SSL_CTX_set_keylog_callback configures a callback to log key material. This
924 * is intended for debugging use with tools like Wireshark. The cb function
925 * should log line followed by a newline.
927 void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb);
930 * SSL_CTX_get_keylog_callback returns the callback configured by
931 * SSL_CTX_set_keylog_callback.
933 SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx);
935 int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data);
936 uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx);
937 int SSL_set_max_early_data(SSL *s, uint32_t max_early_data);
938 uint32_t SSL_get_max_early_data(const SSL *s);
939 int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data);
940 uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx);
941 int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data);
942 uint32_t SSL_get_recv_max_early_data(const SSL *s);
948 # include <openssl/ssl2.h>
949 # include <openssl/ssl3.h>
950 # include <openssl/tls1.h> /* This is mostly sslv3 with a few tweaks */
951 # include <openssl/dtls1.h> /* Datagram TLS */
952 # include <openssl/srtp.h> /* Support for the use_srtp extension */
959 * These need to be after the above set of includes due to a compiler bug
960 * in VisualStudio 2015
962 DEFINE_STACK_OF_CONST(SSL_CIPHER)
963 DEFINE_STACK_OF(SSL_COMP)
966 # define SSL_set_app_data(s,arg) (SSL_set_ex_data(s,0,(char *)(arg)))
967 # define SSL_get_app_data(s) (SSL_get_ex_data(s,0))
968 # define SSL_SESSION_set_app_data(s,a) (SSL_SESSION_set_ex_data(s,0, \
970 # define SSL_SESSION_get_app_data(s) (SSL_SESSION_get_ex_data(s,0))
971 # define SSL_CTX_get_app_data(ctx) (SSL_CTX_get_ex_data(ctx,0))
972 # define SSL_CTX_set_app_data(ctx,arg) (SSL_CTX_set_ex_data(ctx,0, \
974 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 # if !OPENSSL_API_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_CTRL_SET_TMP_DH 3
1198 # define SSL_CTRL_SET_TMP_ECDH 4
1199 # define SSL_CTRL_SET_TMP_DH_CB 6
1200 # define SSL_CTRL_GET_CLIENT_CERT_REQUEST 9
1201 # define SSL_CTRL_GET_NUM_RENEGOTIATIONS 10
1202 # define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS 11
1203 # define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS 12
1204 # define SSL_CTRL_GET_FLAGS 13
1205 # define SSL_CTRL_EXTRA_CHAIN_CERT 14
1206 # define SSL_CTRL_SET_MSG_CALLBACK 15
1207 # define SSL_CTRL_SET_MSG_CALLBACK_ARG 16
1208 /* only applies to datagram connections */
1209 # define SSL_CTRL_SET_MTU 17
1211 # define SSL_CTRL_SESS_NUMBER 20
1212 # define SSL_CTRL_SESS_CONNECT 21
1213 # define SSL_CTRL_SESS_CONNECT_GOOD 22
1214 # define SSL_CTRL_SESS_CONNECT_RENEGOTIATE 23
1215 # define SSL_CTRL_SESS_ACCEPT 24
1216 # define SSL_CTRL_SESS_ACCEPT_GOOD 25
1217 # define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE 26
1218 # define SSL_CTRL_SESS_HIT 27
1219 # define SSL_CTRL_SESS_CB_HIT 28
1220 # define SSL_CTRL_SESS_MISSES 29
1221 # define SSL_CTRL_SESS_TIMEOUTS 30
1222 # define SSL_CTRL_SESS_CACHE_FULL 31
1223 # define SSL_CTRL_MODE 33
1224 # define SSL_CTRL_GET_READ_AHEAD 40
1225 # define SSL_CTRL_SET_READ_AHEAD 41
1226 # define SSL_CTRL_SET_SESS_CACHE_SIZE 42
1227 # define SSL_CTRL_GET_SESS_CACHE_SIZE 43
1228 # define SSL_CTRL_SET_SESS_CACHE_MODE 44
1229 # define SSL_CTRL_GET_SESS_CACHE_MODE 45
1230 # define SSL_CTRL_GET_MAX_CERT_LIST 50
1231 # define SSL_CTRL_SET_MAX_CERT_LIST 51
1232 # define SSL_CTRL_SET_MAX_SEND_FRAGMENT 52
1233 /* see tls1.h for macros based on these */
1234 # define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB 53
1235 # define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG 54
1236 # define SSL_CTRL_SET_TLSEXT_HOSTNAME 55
1237 # define SSL_CTRL_SET_TLSEXT_DEBUG_CB 56
1238 # define SSL_CTRL_SET_TLSEXT_DEBUG_ARG 57
1239 # define SSL_CTRL_GET_TLSEXT_TICKET_KEYS 58
1240 # define SSL_CTRL_SET_TLSEXT_TICKET_KEYS 59
1241 /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT 60 */
1242 /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB 61 */
1243 /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB_ARG 62 */
1244 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB 63
1245 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG 64
1246 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE 65
1247 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS 66
1248 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS 67
1249 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS 68
1250 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS 69
1251 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP 70
1252 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP 71
1253 # define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB 72
1254 # define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB 75
1255 # define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB 76
1256 # define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB 77
1257 # define SSL_CTRL_SET_SRP_ARG 78
1258 # define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME 79
1259 # define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH 80
1260 # define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD 81
1261 # define DTLS_CTRL_GET_TIMEOUT 73
1262 # define DTLS_CTRL_HANDLE_TIMEOUT 74
1263 # define SSL_CTRL_GET_RI_SUPPORT 76
1264 # define SSL_CTRL_CLEAR_MODE 78
1265 # define SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB 79
1266 # define SSL_CTRL_GET_EXTRA_CHAIN_CERTS 82
1267 # define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS 83
1268 # define SSL_CTRL_CHAIN 88
1269 # define SSL_CTRL_CHAIN_CERT 89
1270 # define SSL_CTRL_GET_GROUPS 90
1271 # define SSL_CTRL_SET_GROUPS 91
1272 # define SSL_CTRL_SET_GROUPS_LIST 92
1273 # define SSL_CTRL_GET_SHARED_GROUP 93
1274 # define SSL_CTRL_SET_SIGALGS 97
1275 # define SSL_CTRL_SET_SIGALGS_LIST 98
1276 # define SSL_CTRL_CERT_FLAGS 99
1277 # define SSL_CTRL_CLEAR_CERT_FLAGS 100
1278 # define SSL_CTRL_SET_CLIENT_SIGALGS 101
1279 # define SSL_CTRL_SET_CLIENT_SIGALGS_LIST 102
1280 # define SSL_CTRL_GET_CLIENT_CERT_TYPES 103
1281 # define SSL_CTRL_SET_CLIENT_CERT_TYPES 104
1282 # define SSL_CTRL_BUILD_CERT_CHAIN 105
1283 # define SSL_CTRL_SET_VERIFY_CERT_STORE 106
1284 # define SSL_CTRL_SET_CHAIN_CERT_STORE 107
1285 # define SSL_CTRL_GET_PEER_SIGNATURE_NID 108
1286 # define SSL_CTRL_GET_PEER_TMP_KEY 109
1287 # define SSL_CTRL_GET_RAW_CIPHERLIST 110
1288 # define SSL_CTRL_GET_EC_POINT_FORMATS 111
1289 # define SSL_CTRL_GET_CHAIN_CERTS 115
1290 # define SSL_CTRL_SELECT_CURRENT_CERT 116
1291 # define SSL_CTRL_SET_CURRENT_CERT 117
1292 # define SSL_CTRL_SET_DH_AUTO 118
1293 # define DTLS_CTRL_SET_LINK_MTU 120
1294 # define DTLS_CTRL_GET_LINK_MIN_MTU 121
1295 # define SSL_CTRL_GET_EXTMS_SUPPORT 122
1296 # define SSL_CTRL_SET_MIN_PROTO_VERSION 123
1297 # define SSL_CTRL_SET_MAX_PROTO_VERSION 124
1298 # define SSL_CTRL_SET_SPLIT_SEND_FRAGMENT 125
1299 # define SSL_CTRL_SET_MAX_PIPELINES 126
1300 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE 127
1301 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB 128
1302 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG 129
1303 # define SSL_CTRL_GET_MIN_PROTO_VERSION 130
1304 # define SSL_CTRL_GET_MAX_PROTO_VERSION 131
1305 # define SSL_CTRL_GET_SIGNATURE_NID 132
1306 # define SSL_CTRL_GET_TMP_KEY 133
1307 # define SSL_CERT_SET_FIRST 1
1308 # define SSL_CERT_SET_NEXT 2
1309 # define SSL_CERT_SET_SERVER 3
1310 # define DTLSv1_get_timeout(ssl, arg) \
1311 SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)(arg))
1312 # define DTLSv1_handle_timeout(ssl) \
1313 SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
1314 # define SSL_num_renegotiations(ssl) \
1315 SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1316 # define SSL_clear_num_renegotiations(ssl) \
1317 SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1318 # define SSL_total_renegotiations(ssl) \
1319 SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1320 # define SSL_CTX_set_tmp_dh(ctx,dh) \
1321 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1322 # define SSL_CTX_set_dh_auto(ctx, onoff) \
1323 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1324 # define SSL_set_dh_auto(s, onoff) \
1325 SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1326 # define SSL_set_tmp_dh(ssl,dh) \
1327 SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1329 # define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1330 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1331 # define SSL_set_tmp_ecdh(ssl,ecdh) \
1332 SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1334 # define SSL_CTX_add_extra_chain_cert(ctx,x509) \
1335 SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)(x509))
1336 # define SSL_CTX_get_extra_chain_certs(ctx,px509) \
1337 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
1338 # define SSL_CTX_get_extra_chain_certs_only(ctx,px509) \
1339 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,1,px509)
1340 # define SSL_CTX_clear_extra_chain_certs(ctx) \
1341 SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
1342 # define SSL_CTX_set0_chain(ctx,sk) \
1343 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)(sk))
1344 # define SSL_CTX_set1_chain(ctx,sk) \
1345 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)(sk))
1346 # define SSL_CTX_add0_chain_cert(ctx,x509) \
1347 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1348 # define SSL_CTX_add1_chain_cert(ctx,x509) \
1349 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1350 # define SSL_CTX_get0_chain_certs(ctx,px509) \
1351 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1352 # define SSL_CTX_clear_chain_certs(ctx) \
1353 SSL_CTX_set0_chain(ctx,NULL)
1354 # define SSL_CTX_build_cert_chain(ctx, flags) \
1355 SSL_CTX_ctrl(ctx,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1356 # define SSL_CTX_select_current_cert(ctx,x509) \
1357 SSL_CTX_ctrl(ctx,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1358 # define SSL_CTX_set_current_cert(ctx, op) \
1359 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1360 # define SSL_CTX_set0_verify_cert_store(ctx,st) \
1361 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1362 # define SSL_CTX_set1_verify_cert_store(ctx,st) \
1363 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1364 # define SSL_CTX_set0_chain_cert_store(ctx,st) \
1365 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1366 # define SSL_CTX_set1_chain_cert_store(ctx,st) \
1367 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1368 # define SSL_set0_chain(ctx,sk) \
1369 SSL_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)(sk))
1370 # define SSL_set1_chain(ctx,sk) \
1371 SSL_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)(sk))
1372 # define SSL_add0_chain_cert(ctx,x509) \
1373 SSL_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1374 # define SSL_add1_chain_cert(ctx,x509) \
1375 SSL_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1376 # define SSL_get0_chain_certs(ctx,px509) \
1377 SSL_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1378 # define SSL_clear_chain_certs(ctx) \
1379 SSL_set0_chain(ctx,NULL)
1380 # define SSL_build_cert_chain(s, flags) \
1381 SSL_ctrl(s,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1382 # define SSL_select_current_cert(ctx,x509) \
1383 SSL_ctrl(ctx,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1384 # define SSL_set_current_cert(ctx,op) \
1385 SSL_ctrl(ctx,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1386 # define SSL_set0_verify_cert_store(s,st) \
1387 SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1388 # define SSL_set1_verify_cert_store(s,st) \
1389 SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1390 # define SSL_set0_chain_cert_store(s,st) \
1391 SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1392 # define SSL_set1_chain_cert_store(s,st) \
1393 SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1394 # define SSL_get1_groups(ctx, s) \
1395 SSL_ctrl(ctx,SSL_CTRL_GET_GROUPS,0,(char *)(s))
1396 # define SSL_CTX_set1_groups(ctx, glist, glistlen) \
1397 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS,glistlen,(char *)(glist))
1398 # define SSL_CTX_set1_groups_list(ctx, s) \
1399 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(s))
1400 # define SSL_set1_groups(ctx, glist, glistlen) \
1401 SSL_ctrl(ctx,SSL_CTRL_SET_GROUPS,glistlen,(char *)(glist))
1402 # define SSL_set1_groups_list(ctx, s) \
1403 SSL_ctrl(ctx,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(s))
1404 # define SSL_get_shared_group(s, n) \
1405 SSL_ctrl(s,SSL_CTRL_GET_SHARED_GROUP,n,NULL)
1406 # define SSL_CTX_set1_sigalgs(ctx, slist, slistlen) \
1407 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1408 # define SSL_CTX_set1_sigalgs_list(ctx, s) \
1409 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(s))
1410 # define SSL_set1_sigalgs(ctx, slist, slistlen) \
1411 SSL_ctrl(ctx,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1412 # define SSL_set1_sigalgs_list(ctx, s) \
1413 SSL_ctrl(ctx,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(s))
1414 # define SSL_CTX_set1_client_sigalgs(ctx, slist, slistlen) \
1415 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1416 # define SSL_CTX_set1_client_sigalgs_list(ctx, s) \
1417 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(s))
1418 # define SSL_set1_client_sigalgs(ctx, slist, slistlen) \
1419 SSL_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS,clistlen,(int *)(slist))
1420 # define SSL_set1_client_sigalgs_list(ctx, s) \
1421 SSL_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(s))
1422 # define SSL_get0_certificate_types(s, clist) \
1423 SSL_ctrl(s, SSL_CTRL_GET_CLIENT_CERT_TYPES, 0, (char *)(clist))
1424 # define SSL_CTX_set1_client_certificate_types(ctx, clist, clistlen) \
1425 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen, \
1427 # define SSL_set1_client_certificate_types(s, clist, clistlen) \
1428 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen,(char *)(clist))
1429 # define SSL_get_signature_nid(s, pn) \
1430 SSL_ctrl(s,SSL_CTRL_GET_SIGNATURE_NID,0,pn)
1431 # define SSL_get_peer_signature_nid(s, pn) \
1432 SSL_ctrl(s,SSL_CTRL_GET_PEER_SIGNATURE_NID,0,pn)
1433 # define SSL_get_peer_tmp_key(s, pk) \
1434 SSL_ctrl(s,SSL_CTRL_GET_PEER_TMP_KEY,0,pk)
1435 # define SSL_get_tmp_key(s, pk) \
1436 SSL_ctrl(s,SSL_CTRL_GET_TMP_KEY,0,pk)
1437 # define SSL_get0_raw_cipherlist(s, plst) \
1438 SSL_ctrl(s,SSL_CTRL_GET_RAW_CIPHERLIST,0,plst)
1439 # define SSL_get0_ec_point_formats(s, plst) \
1440 SSL_ctrl(s,SSL_CTRL_GET_EC_POINT_FORMATS,0,plst)
1441 # define SSL_CTX_set_min_proto_version(ctx, version) \
1442 SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1443 # define SSL_CTX_set_max_proto_version(ctx, version) \
1444 SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1445 # define SSL_CTX_get_min_proto_version(ctx) \
1446 SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1447 # define SSL_CTX_get_max_proto_version(ctx) \
1448 SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1449 # define SSL_set_min_proto_version(s, version) \
1450 SSL_ctrl(s, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1451 # define SSL_set_max_proto_version(s, version) \
1452 SSL_ctrl(s, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1453 # define SSL_get_min_proto_version(s) \
1454 SSL_ctrl(s, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1455 # define SSL_get_max_proto_version(s) \
1456 SSL_ctrl(s, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1458 /* Backwards compatibility, original 1.1.0 names */
1459 # define SSL_CTRL_GET_SERVER_TMP_KEY \
1460 SSL_CTRL_GET_PEER_TMP_KEY
1461 # define SSL_get_server_tmp_key(s, pk) \
1462 SSL_get_peer_tmp_key(s, pk)
1465 * The following symbol names are old and obsolete. They are kept
1466 * for compatibility reasons only and should not be used anymore.
1468 # define SSL_CTRL_GET_CURVES SSL_CTRL_GET_GROUPS
1469 # define SSL_CTRL_SET_CURVES SSL_CTRL_SET_GROUPS
1470 # define SSL_CTRL_SET_CURVES_LIST SSL_CTRL_SET_GROUPS_LIST
1471 # define SSL_CTRL_GET_SHARED_CURVE SSL_CTRL_GET_SHARED_GROUP
1473 # define SSL_get1_curves SSL_get1_groups
1474 # define SSL_CTX_set1_curves SSL_CTX_set1_groups
1475 # define SSL_CTX_set1_curves_list SSL_CTX_set1_groups_list
1476 # define SSL_set1_curves SSL_set1_groups
1477 # define SSL_set1_curves_list SSL_set1_groups_list
1478 # define SSL_get_shared_curve SSL_get_shared_group
1481 # if !OPENSSL_API_1_1_0
1482 /* Provide some compatibility macros for removed functionality. */
1483 # define SSL_CTX_need_tmp_RSA(ctx) 0
1484 # define SSL_CTX_set_tmp_rsa(ctx,rsa) 1
1485 # define SSL_need_tmp_RSA(ssl) 0
1486 # define SSL_set_tmp_rsa(ssl,rsa) 1
1487 # define SSL_CTX_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1488 # define SSL_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1490 * We "pretend" to call the callback to avoid warnings about unused static
1493 # define SSL_CTX_set_tmp_rsa_callback(ctx, cb) while(0) (cb)(NULL, 0, 0)
1494 # define SSL_set_tmp_rsa_callback(ssl, cb) while(0) (cb)(NULL, 0, 0)
1496 __owur const BIO_METHOD *BIO_f_ssl(void);
1497 __owur BIO *BIO_new_ssl(SSL_CTX *ctx, int client);
1498 __owur BIO *BIO_new_ssl_connect(SSL_CTX *ctx);
1499 __owur BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx);
1500 __owur int BIO_ssl_copy_session_id(BIO *to, BIO *from);
1501 void BIO_ssl_shutdown(BIO *ssl_bio);
1503 __owur int SSL_CTX_set_cipher_list(SSL_CTX *, const char *str);
1504 __owur SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth);
1505 int SSL_CTX_up_ref(SSL_CTX *ctx);
1506 void SSL_CTX_free(SSL_CTX *);
1507 __owur long SSL_CTX_set_timeout(SSL_CTX *ctx, long t);
1508 __owur long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1509 __owur X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *);
1510 void SSL_CTX_set_cert_store(SSL_CTX *, X509_STORE *);
1511 void SSL_CTX_set1_cert_store(SSL_CTX *, X509_STORE *);
1512 __owur int SSL_want(const SSL *s);
1513 __owur int SSL_clear(SSL *s);
1515 void SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
1517 __owur const SSL_CIPHER *SSL_get_current_cipher(const SSL *s);
1518 __owur const SSL_CIPHER *SSL_get_pending_cipher(const SSL *s);
1519 __owur int SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits);
1520 __owur const char *SSL_CIPHER_get_version(const SSL_CIPHER *c);
1521 __owur const char *SSL_CIPHER_get_name(const SSL_CIPHER *c);
1522 __owur const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c);
1523 __owur const char *OPENSSL_cipher_name(const char *rfc_name);
1524 __owur uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c);
1525 __owur uint16_t SSL_CIPHER_get_protocol_id(const SSL_CIPHER *c);
1526 __owur int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c);
1527 __owur int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c);
1528 __owur const EVP_MD *SSL_CIPHER_get_handshake_digest(const SSL_CIPHER *c);
1529 __owur int SSL_CIPHER_is_aead(const SSL_CIPHER *c);
1531 __owur int SSL_get_fd(const SSL *s);
1532 __owur int SSL_get_rfd(const SSL *s);
1533 __owur int SSL_get_wfd(const SSL *s);
1534 __owur const char *SSL_get_cipher_list(const SSL *s, int n);
1535 __owur char *SSL_get_shared_ciphers(const SSL *s, char *buf, int size);
1536 __owur int SSL_get_read_ahead(const SSL *s);
1537 __owur int SSL_pending(const SSL *s);
1538 __owur int SSL_has_pending(const SSL *s);
1539 # ifndef OPENSSL_NO_SOCK
1540 __owur int SSL_set_fd(SSL *s, int fd);
1541 __owur int SSL_set_rfd(SSL *s, int fd);
1542 __owur int SSL_set_wfd(SSL *s, int fd);
1544 void SSL_set0_rbio(SSL *s, BIO *rbio);
1545 void SSL_set0_wbio(SSL *s, BIO *wbio);
1546 void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio);
1547 __owur BIO *SSL_get_rbio(const SSL *s);
1548 __owur BIO *SSL_get_wbio(const SSL *s);
1549 __owur int SSL_set_cipher_list(SSL *s, const char *str);
1550 __owur int SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str);
1551 __owur int SSL_set_ciphersuites(SSL *s, const char *str);
1552 void SSL_set_read_ahead(SSL *s, int yes);
1553 __owur int SSL_get_verify_mode(const SSL *s);
1554 __owur int SSL_get_verify_depth(const SSL *s);
1555 __owur SSL_verify_cb SSL_get_verify_callback(const SSL *s);
1556 void SSL_set_verify(SSL *s, int mode, SSL_verify_cb callback);
1557 void SSL_set_verify_depth(SSL *s, int depth);
1558 void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg);
1559 # ifndef OPENSSL_NO_RSA
1560 __owur int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
1561 __owur int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, const unsigned char *d,
1564 __owur int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
1565 __owur int SSL_use_PrivateKey_ASN1(int pk, SSL *ssl, const unsigned char *d,
1567 __owur int SSL_use_certificate(SSL *ssl, X509 *x);
1568 __owur int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len);
1569 __owur int SSL_use_cert_and_key(SSL *ssl, X509 *x509, EVP_PKEY *privatekey,
1570 STACK_OF(X509) *chain, int override);
1573 /* serverinfo file format versions */
1574 # define SSL_SERVERINFOV1 1
1575 # define SSL_SERVERINFOV2 2
1577 /* Set serverinfo data for the current active cert. */
1578 __owur int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo,
1579 size_t serverinfo_length);
1580 __owur int SSL_CTX_use_serverinfo_ex(SSL_CTX *ctx, unsigned int version,
1581 const unsigned char *serverinfo,
1582 size_t serverinfo_length);
1583 __owur int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file);
1585 #ifndef OPENSSL_NO_RSA
1586 __owur int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
1589 __owur int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
1590 __owur int SSL_use_certificate_file(SSL *ssl, const char *file, int type);
1592 #ifndef OPENSSL_NO_RSA
1593 __owur int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file,
1596 __owur int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file,
1598 __owur int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file,
1601 __owur int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file);
1602 __owur int SSL_use_certificate_chain_file(SSL *ssl, const char *file);
1603 __owur STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
1604 __owur int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1606 int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1609 # if !OPENSSL_API_1_1_0
1610 # define SSL_load_error_strings() \
1611 OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS \
1612 | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL)
1615 __owur const char *SSL_state_string(const SSL *s);
1616 __owur const char *SSL_rstate_string(const SSL *s);
1617 __owur const char *SSL_state_string_long(const SSL *s);
1618 __owur const char *SSL_rstate_string_long(const SSL *s);
1619 __owur long SSL_SESSION_get_time(const SSL_SESSION *s);
1620 __owur long SSL_SESSION_set_time(SSL_SESSION *s, long t);
1621 __owur long SSL_SESSION_get_timeout(const SSL_SESSION *s);
1622 __owur long SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
1623 __owur int SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
1624 __owur int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version);
1626 __owur const char *SSL_SESSION_get0_hostname(const SSL_SESSION *s);
1627 __owur int SSL_SESSION_set1_hostname(SSL_SESSION *s, const char *hostname);
1628 void SSL_SESSION_get0_alpn_selected(const SSL_SESSION *s,
1629 const unsigned char **alpn,
1631 __owur int SSL_SESSION_set1_alpn_selected(SSL_SESSION *s,
1632 const unsigned char *alpn,
1634 __owur const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s);
1635 __owur int SSL_SESSION_set_cipher(SSL_SESSION *s, const SSL_CIPHER *cipher);
1636 __owur int SSL_SESSION_has_ticket(const SSL_SESSION *s);
1637 __owur unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s);
1638 void SSL_SESSION_get0_ticket(const SSL_SESSION *s, const unsigned char **tick,
1640 __owur uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *s);
1641 __owur int SSL_SESSION_set_max_early_data(SSL_SESSION *s,
1642 uint32_t max_early_data);
1643 __owur int SSL_copy_session_id(SSL *to, const SSL *from);
1644 __owur X509 *SSL_SESSION_get0_peer(SSL_SESSION *s);
1645 __owur int SSL_SESSION_set1_id_context(SSL_SESSION *s,
1646 const unsigned char *sid_ctx,
1647 unsigned int sid_ctx_len);
1648 __owur int SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid,
1649 unsigned int sid_len);
1650 __owur int SSL_SESSION_is_resumable(const SSL_SESSION *s);
1652 __owur SSL_SESSION *SSL_SESSION_new(void);
1653 __owur SSL_SESSION *SSL_SESSION_dup(const SSL_SESSION *src);
1654 const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s,
1656 const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *s,
1658 __owur unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s);
1659 # ifndef OPENSSL_NO_STDIO
1660 int SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses);
1662 int SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses);
1663 int SSL_SESSION_print_keylog(BIO *bp, const SSL_SESSION *x);
1664 int SSL_SESSION_up_ref(SSL_SESSION *ses);
1665 void SSL_SESSION_free(SSL_SESSION *ses);
1666 __owur int i2d_SSL_SESSION(const SSL_SESSION *in, unsigned char **pp);
1667 __owur int SSL_set_session(SSL *to, SSL_SESSION *session);
1668 int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *session);
1669 int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *session);
1670 __owur int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb);
1671 __owur int SSL_set_generate_session_id(SSL *s, GEN_SESSION_CB cb);
1672 __owur int SSL_has_matching_session_id(const SSL *s,
1673 const unsigned char *id,
1674 unsigned int id_len);
1675 SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
1678 # ifdef HEADER_X509_H
1679 __owur X509 *SSL_get_peer_certificate(const SSL *s);
1682 __owur STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s);
1684 __owur int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1685 __owur int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1686 __owur SSL_verify_cb SSL_CTX_get_verify_callback(const SSL_CTX *ctx);
1687 void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, SSL_verify_cb callback);
1688 void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth);
1689 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,
1690 int (*cb) (X509_STORE_CTX *, void *),
1692 void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg),
1694 # ifndef OPENSSL_NO_RSA
1695 __owur int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
1696 __owur int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d,
1699 __owur int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
1700 __owur int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx,
1701 const unsigned char *d, long len);
1702 __owur int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
1703 __owur int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len,
1704 const unsigned char *d);
1705 __owur int SSL_CTX_use_cert_and_key(SSL_CTX *ctx, X509 *x509, EVP_PKEY *privatekey,
1706 STACK_OF(X509) *chain, int override);
1708 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb);
1709 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
1710 pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx);
1711 void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx);
1712 void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb);
1713 void SSL_set_default_passwd_cb_userdata(SSL *s, void *u);
1714 pem_password_cb *SSL_get_default_passwd_cb(SSL *s);
1715 void *SSL_get_default_passwd_cb_userdata(SSL *s);
1717 __owur int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1718 __owur int SSL_check_private_key(const SSL *ctx);
1720 __owur int SSL_CTX_set_session_id_context(SSL_CTX *ctx,
1721 const unsigned char *sid_ctx,
1722 unsigned int sid_ctx_len);
1724 SSL *SSL_new(SSL_CTX *ctx);
1725 int SSL_up_ref(SSL *s);
1726 int SSL_is_dtls(const SSL *s);
1727 __owur int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx,
1728 unsigned int sid_ctx_len);
1730 __owur int SSL_CTX_set_purpose(SSL_CTX *ctx, int purpose);
1731 __owur int SSL_set_purpose(SSL *ssl, int purpose);
1732 __owur int SSL_CTX_set_trust(SSL_CTX *ctx, int trust);
1733 __owur int SSL_set_trust(SSL *ssl, int trust);
1735 __owur int SSL_set1_host(SSL *s, const char *hostname);
1736 __owur int SSL_add1_host(SSL *s, const char *hostname);
1737 __owur const char *SSL_get0_peername(SSL *s);
1738 void SSL_set_hostflags(SSL *s, unsigned int flags);
1740 __owur int SSL_CTX_dane_enable(SSL_CTX *ctx);
1741 __owur int SSL_CTX_dane_mtype_set(SSL_CTX *ctx, const EVP_MD *md,
1742 uint8_t mtype, uint8_t ord);
1743 __owur int SSL_dane_enable(SSL *s, const char *basedomain);
1744 __owur int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector,
1745 uint8_t mtype, unsigned const char *data, size_t dlen);
1746 __owur int SSL_get0_dane_authority(SSL *s, X509 **mcert, EVP_PKEY **mspki);
1747 __owur int SSL_get0_dane_tlsa(SSL *s, uint8_t *usage, uint8_t *selector,
1748 uint8_t *mtype, unsigned const char **data,
1751 * Bridge opacity barrier between libcrypt and libssl, also needed to support
1752 * offline testing in test/danetest.c
1754 SSL_DANE *SSL_get0_dane(SSL *ssl);
1758 unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags);
1759 unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags);
1760 unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags);
1761 unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags);
1763 __owur int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
1764 __owur int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
1766 __owur X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx);
1767 __owur X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl);
1769 # ifndef OPENSSL_NO_SRP
1770 int SSL_CTX_set_srp_username(SSL_CTX *ctx, char *name);
1771 int SSL_CTX_set_srp_password(SSL_CTX *ctx, char *password);
1772 int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength);
1773 int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx,
1774 char *(*cb) (SSL *, void *));
1775 int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx,
1776 int (*cb) (SSL *, void *));
1777 int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
1778 int (*cb) (SSL *, int *, void *));
1779 int SSL_CTX_set_srp_cb_arg(SSL_CTX *ctx, void *arg);
1781 int SSL_set_srp_server_param(SSL *s, const BIGNUM *N, const BIGNUM *g,
1782 BIGNUM *sa, BIGNUM *v, char *info);
1783 int SSL_set_srp_server_param_pw(SSL *s, const char *user, const char *pass,
1786 __owur BIGNUM *SSL_get_srp_g(SSL *s);
1787 __owur BIGNUM *SSL_get_srp_N(SSL *s);
1789 __owur char *SSL_get_srp_username(SSL *s);
1790 __owur char *SSL_get_srp_userinfo(SSL *s);
1794 * ClientHello callback and helpers.
1797 # define SSL_CLIENT_HELLO_SUCCESS 1
1798 # define SSL_CLIENT_HELLO_ERROR 0
1799 # define SSL_CLIENT_HELLO_RETRY (-1)
1801 typedef int (*SSL_client_hello_cb_fn) (SSL *s, int *al, void *arg);
1802 void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb,
1804 int SSL_client_hello_isv2(SSL *s);
1805 unsigned int SSL_client_hello_get0_legacy_version(SSL *s);
1806 size_t SSL_client_hello_get0_random(SSL *s, const unsigned char **out);
1807 size_t SSL_client_hello_get0_session_id(SSL *s, const unsigned char **out);
1808 size_t SSL_client_hello_get0_ciphers(SSL *s, const unsigned char **out);
1809 size_t SSL_client_hello_get0_compression_methods(SSL *s,
1810 const unsigned char **out);
1811 int SSL_client_hello_get1_extensions_present(SSL *s, int **out, size_t *outlen);
1812 int SSL_client_hello_get0_ext(SSL *s, unsigned int type,
1813 const unsigned char **out, size_t *outlen);
1815 void SSL_certs_clear(SSL *s);
1816 void SSL_free(SSL *ssl);
1817 # ifdef OSSL_ASYNC_FD
1819 * Windows application developer has to include windows.h to use these.
1821 __owur int SSL_waiting_for_async(SSL *s);
1822 __owur int SSL_get_all_async_fds(SSL *s, OSSL_ASYNC_FD *fds, size_t *numfds);
1823 __owur int SSL_get_changed_async_fds(SSL *s, OSSL_ASYNC_FD *addfd,
1824 size_t *numaddfds, OSSL_ASYNC_FD *delfd,
1826 __owur int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback);
1827 __owur int SSL_CTX_set_async_callback_arg(SSL_CTX *ctx, void *arg);
1828 __owur int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback);
1829 __owur int SSL_set_async_callback_arg(SSL *s, void *arg);
1830 __owur int SSL_get_async_status(SSL *s, int *status);
1833 __owur int SSL_accept(SSL *ssl);
1834 __owur int SSL_stateless(SSL *s);
1835 __owur int SSL_connect(SSL *ssl);
1836 __owur int SSL_read(SSL *ssl, void *buf, int num);
1837 __owur int SSL_read_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes);
1839 # define SSL_READ_EARLY_DATA_ERROR 0
1840 # define SSL_READ_EARLY_DATA_SUCCESS 1
1841 # define SSL_READ_EARLY_DATA_FINISH 2
1843 __owur int SSL_read_early_data(SSL *s, void *buf, size_t num,
1845 __owur int SSL_peek(SSL *ssl, void *buf, int num);
1846 __owur int SSL_peek_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes);
1847 __owur int SSL_write(SSL *ssl, const void *buf, int num);
1848 __owur int SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *written);
1849 __owur int SSL_write_early_data(SSL *s, const void *buf, size_t num,
1851 long SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg);
1852 long SSL_callback_ctrl(SSL *, int, void (*)(void));
1853 long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg);
1854 long SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)(void));
1856 # define SSL_EARLY_DATA_NOT_SENT 0
1857 # define SSL_EARLY_DATA_REJECTED 1
1858 # define SSL_EARLY_DATA_ACCEPTED 2
1860 __owur int SSL_get_early_data_status(const SSL *s);
1862 __owur int SSL_get_error(const SSL *s, int ret_code);
1863 __owur const char *SSL_get_version(const SSL *s);
1865 /* This sets the 'default' SSL version that SSL_new() will create */
1866 __owur int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth);
1868 # ifndef OPENSSL_NO_SSL3_METHOD
1869 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_method(void)) /* SSLv3 */
1870 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_server_method(void))
1871 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_client_method(void))
1874 #define SSLv23_method TLS_method
1875 #define SSLv23_server_method TLS_server_method
1876 #define SSLv23_client_method TLS_client_method
1878 /* Negotiate highest available SSL/TLS version */
1879 __owur const SSL_METHOD *TLS_method(void);
1880 __owur const SSL_METHOD *TLS_server_method(void);
1881 __owur const SSL_METHOD *TLS_client_method(void);
1883 # ifndef OPENSSL_NO_TLS1_METHOD
1884 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_method(void)) /* TLSv1.0 */
1885 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_server_method(void))
1886 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_client_method(void))
1889 # ifndef OPENSSL_NO_TLS1_1_METHOD
1890 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_method(void)) /* TLSv1.1 */
1891 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_server_method(void))
1892 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_client_method(void))
1895 # ifndef OPENSSL_NO_TLS1_2_METHOD
1896 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_method(void)) /* TLSv1.2 */
1897 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_server_method(void))
1898 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_client_method(void))
1901 # ifndef OPENSSL_NO_DTLS1_METHOD
1902 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_method(void)) /* DTLSv1.0 */
1903 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_server_method(void))
1904 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_client_method(void))
1907 # ifndef OPENSSL_NO_DTLS1_2_METHOD
1909 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_method(void))
1910 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_server_method(void))
1911 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_client_method(void))
1914 __owur const SSL_METHOD *DTLS_method(void); /* DTLS 1.0 and 1.2 */
1915 __owur const SSL_METHOD *DTLS_server_method(void); /* DTLS 1.0 and 1.2 */
1916 __owur const SSL_METHOD *DTLS_client_method(void); /* DTLS 1.0 and 1.2 */
1918 __owur size_t DTLS_get_data_mtu(const SSL *s);
1920 __owur STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s);
1921 __owur STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx);
1922 __owur STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s);
1923 __owur STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s);
1925 __owur int SSL_do_handshake(SSL *s);
1926 int SSL_key_update(SSL *s, int updatetype);
1927 int SSL_get_key_update_type(const SSL *s);
1928 int SSL_renegotiate(SSL *s);
1929 int SSL_renegotiate_abbreviated(SSL *s);
1930 __owur int SSL_renegotiate_pending(const SSL *s);
1931 int SSL_shutdown(SSL *s);
1932 __owur int SSL_verify_client_post_handshake(SSL *s);
1933 void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val);
1934 void SSL_set_post_handshake_auth(SSL *s, int val);
1936 __owur const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx);
1937 __owur const SSL_METHOD *SSL_get_ssl_method(const SSL *s);
1938 __owur int SSL_set_ssl_method(SSL *s, const SSL_METHOD *method);
1939 __owur const char *SSL_alert_type_string_long(int value);
1940 __owur const char *SSL_alert_type_string(int value);
1941 __owur const char *SSL_alert_desc_string_long(int value);
1942 __owur const char *SSL_alert_desc_string(int value);
1944 void SSL_set0_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
1945 void SSL_CTX_set0_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
1946 __owur const STACK_OF(X509_NAME) *SSL_get0_CA_list(const SSL *s);
1947 __owur const STACK_OF(X509_NAME) *SSL_CTX_get0_CA_list(const SSL_CTX *ctx);
1948 __owur int SSL_add1_to_CA_list(SSL *ssl, const X509 *x);
1949 __owur int SSL_CTX_add1_to_CA_list(SSL_CTX *ctx, const X509 *x);
1950 __owur const STACK_OF(X509_NAME) *SSL_get0_peer_CA_list(const SSL *s);
1952 void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
1953 void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
1954 __owur STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
1955 __owur STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s);
1956 __owur int SSL_add_client_CA(SSL *ssl, X509 *x);
1957 __owur int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x);
1959 void SSL_set_connect_state(SSL *s);
1960 void SSL_set_accept_state(SSL *s);
1962 __owur long SSL_get_default_timeout(const SSL *s);
1964 # if !OPENSSL_API_1_1_0
1965 # define SSL_library_init() OPENSSL_init_ssl(0, NULL)
1968 __owur char *SSL_CIPHER_description(const SSL_CIPHER *, char *buf, int size);
1969 __owur STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk);
1971 __owur SSL *SSL_dup(SSL *ssl);
1973 __owur X509 *SSL_get_certificate(const SSL *ssl);
1977 struct evp_pkey_st *SSL_get_privatekey(const SSL *ssl);
1979 __owur X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx);
1980 __owur EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx);
1982 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
1983 __owur int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
1984 void SSL_set_quiet_shutdown(SSL *ssl, int mode);
1985 __owur int SSL_get_quiet_shutdown(const SSL *ssl);
1986 void SSL_set_shutdown(SSL *ssl, int mode);
1987 __owur int SSL_get_shutdown(const SSL *ssl);
1988 __owur int SSL_version(const SSL *ssl);
1989 __owur int SSL_client_version(const SSL *s);
1990 __owur int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
1991 __owur int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx);
1992 __owur int SSL_CTX_set_default_verify_file(SSL_CTX *ctx);
1993 __owur int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
1994 const char *CApath);
1995 # define SSL_get0_session SSL_get_session/* just peek at pointer */
1996 __owur SSL_SESSION *SSL_get_session(const SSL *ssl);
1997 __owur SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */
1998 __owur SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl);
1999 SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx);
2000 void SSL_set_info_callback(SSL *ssl,
2001 void (*cb) (const SSL *ssl, int type, int val));
2002 void (*SSL_get_info_callback(const SSL *ssl)) (const SSL *ssl, int type,
2004 __owur OSSL_HANDSHAKE_STATE SSL_get_state(const SSL *ssl);
2006 void SSL_set_verify_result(SSL *ssl, long v);
2007 __owur long SSL_get_verify_result(const SSL *ssl);
2008 __owur STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s);
2010 __owur size_t SSL_get_client_random(const SSL *ssl, unsigned char *out,
2012 __owur size_t SSL_get_server_random(const SSL *ssl, unsigned char *out,
2014 __owur size_t SSL_SESSION_get_master_key(const SSL_SESSION *sess,
2015 unsigned char *out, size_t outlen);
2016 __owur int SSL_SESSION_set1_master_key(SSL_SESSION *sess,
2017 const unsigned char *in, size_t len);
2018 uint8_t SSL_SESSION_get_max_fragment_length(const SSL_SESSION *sess);
2020 #define SSL_get_ex_new_index(l, p, newf, dupf, freef) \
2021 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, l, p, newf, dupf, freef)
2022 __owur int SSL_set_ex_data(SSL *ssl, int idx, void *data);
2023 void *SSL_get_ex_data(const SSL *ssl, int idx);
2024 #define SSL_SESSION_get_ex_new_index(l, p, newf, dupf, freef) \
2025 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_SESSION, l, p, newf, dupf, freef)
2026 __owur int SSL_SESSION_set_ex_data(SSL_SESSION *ss, int idx, void *data);
2027 void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss, int idx);
2028 #define SSL_CTX_get_ex_new_index(l, p, newf, dupf, freef) \
2029 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, l, p, newf, dupf, freef)
2030 __owur int SSL_CTX_set_ex_data(SSL_CTX *ssl, int idx, void *data);
2031 void *SSL_CTX_get_ex_data(const SSL_CTX *ssl, int idx);
2033 __owur int SSL_get_ex_data_X509_STORE_CTX_idx(void);
2035 # define SSL_CTX_sess_set_cache_size(ctx,t) \
2036 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
2037 # define SSL_CTX_sess_get_cache_size(ctx) \
2038 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
2039 # define SSL_CTX_set_session_cache_mode(ctx,m) \
2040 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
2041 # define SSL_CTX_get_session_cache_mode(ctx) \
2042 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
2044 # define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
2045 # define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
2046 # define SSL_CTX_get_read_ahead(ctx) \
2047 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
2048 # define SSL_CTX_set_read_ahead(ctx,m) \
2049 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
2050 # define SSL_CTX_get_max_cert_list(ctx) \
2051 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2052 # define SSL_CTX_set_max_cert_list(ctx,m) \
2053 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2054 # define SSL_get_max_cert_list(ssl) \
2055 SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2056 # define SSL_set_max_cert_list(ssl,m) \
2057 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2059 # define SSL_CTX_set_max_send_fragment(ctx,m) \
2060 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2061 # define SSL_set_max_send_fragment(ssl,m) \
2062 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2063 # define SSL_CTX_set_split_send_fragment(ctx,m) \
2064 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2065 # define SSL_set_split_send_fragment(ssl,m) \
2066 SSL_ctrl(ssl,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2067 # define SSL_CTX_set_max_pipelines(ctx,m) \
2068 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2069 # define SSL_set_max_pipelines(ssl,m) \
2070 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2072 void SSL_CTX_set_default_read_buffer_len(SSL_CTX *ctx, size_t len);
2073 void SSL_set_default_read_buffer_len(SSL *s, size_t len);
2075 # ifndef OPENSSL_NO_DH
2076 /* NB: the |keylength| is only applicable when is_export is true */
2077 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
2078 DH *(*dh) (SSL *ssl, int is_export,
2080 void SSL_set_tmp_dh_callback(SSL *ssl,
2081 DH *(*dh) (SSL *ssl, int is_export,
2085 __owur const COMP_METHOD *SSL_get_current_compression(const SSL *s);
2086 __owur const COMP_METHOD *SSL_get_current_expansion(const SSL *s);
2087 __owur const char *SSL_COMP_get_name(const COMP_METHOD *comp);
2088 __owur const char *SSL_COMP_get0_name(const SSL_COMP *comp);
2089 __owur int SSL_COMP_get_id(const SSL_COMP *comp);
2090 STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
2091 __owur STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP)
2093 # if !OPENSSL_API_1_1_0
2094 # define SSL_COMP_free_compression_methods() while(0) continue
2096 __owur int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm);
2098 const SSL_CIPHER *SSL_CIPHER_find(SSL *ssl, const unsigned char *ptr);
2099 int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c);
2100 int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c);
2101 int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len,
2102 int isv2format, STACK_OF(SSL_CIPHER) **sk,
2103 STACK_OF(SSL_CIPHER) **scsvs);
2105 /* TLS extensions functions */
2106 __owur int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len);
2108 __owur int SSL_set_session_ticket_ext_cb(SSL *s,
2109 tls_session_ticket_ext_cb_fn cb,
2112 /* Pre-shared secret session resumption functions */
2113 __owur int SSL_set_session_secret_cb(SSL *s,
2114 tls_session_secret_cb_fn session_secret_cb,
2117 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx,
2118 int (*cb) (SSL *ssl,
2120 is_forward_secure));
2122 void SSL_set_not_resumable_session_callback(SSL *ssl,
2123 int (*cb) (SSL *ssl,
2124 int is_forward_secure));
2126 void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx,
2127 size_t (*cb) (SSL *ssl, int type,
2128 size_t len, void *arg));
2129 void SSL_CTX_set_record_padding_callback_arg(SSL_CTX *ctx, void *arg);
2130 void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX *ctx);
2131 int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size);
2133 void SSL_set_record_padding_callback(SSL *ssl,
2134 size_t (*cb) (SSL *ssl, int type,
2135 size_t len, void *arg));
2136 void SSL_set_record_padding_callback_arg(SSL *ssl, void *arg);
2137 void *SSL_get_record_padding_callback_arg(const SSL *ssl);
2138 int SSL_set_block_padding(SSL *ssl, size_t block_size);
2140 int SSL_set_num_tickets(SSL *s, size_t num_tickets);
2141 size_t SSL_get_num_tickets(const SSL *s);
2142 int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets);
2143 size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx);
2145 # if !OPENSSL_API_1_1_0
2146 # define SSL_cache_hit(s) SSL_session_reused(s)
2149 __owur int SSL_session_reused(SSL *s);
2150 __owur int SSL_is_server(const SSL *s);
2152 __owur __owur SSL_CONF_CTX *SSL_CONF_CTX_new(void);
2153 int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx);
2154 void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx);
2155 unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags);
2156 __owur unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx,
2157 unsigned int flags);
2158 __owur int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre);
2160 void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl);
2161 void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx);
2163 __owur int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value);
2164 __owur int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv);
2165 __owur int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd);
2167 void SSL_add_ssl_module(void);
2168 int SSL_config(SSL *s, const char *name);
2169 int SSL_CTX_config(SSL_CTX *ctx, const char *name);
2171 # ifndef OPENSSL_NO_SSL_TRACE
2172 void SSL_trace(int write_p, int version, int content_type,
2173 const void *buf, size_t len, SSL *ssl, void *arg);
2176 # ifndef OPENSSL_NO_SOCK
2177 int DTLSv1_listen(SSL *s, BIO_ADDR *client);
2180 # ifndef OPENSSL_NO_CT
2183 * A callback for verifying that the received SCTs are sufficient.
2184 * Expected to return 1 if they are sufficient, otherwise 0.
2185 * May return a negative integer if an error occurs.
2186 * A connection should be aborted if the SCTs are deemed insufficient.
2188 typedef int (*ssl_ct_validation_cb)(const CT_POLICY_EVAL_CTX *ctx,
2189 const STACK_OF(SCT) *scts, void *arg);
2192 * Sets a |callback| that is invoked upon receipt of ServerHelloDone to validate
2193 * the received SCTs.
2194 * If the callback returns a non-positive result, the connection is terminated.
2195 * Call this function before beginning a handshake.
2196 * If a NULL |callback| is provided, SCT validation is disabled.
2197 * |arg| is arbitrary userdata that will be passed to the callback whenever it
2198 * is invoked. Ownership of |arg| remains with the caller.
2200 * NOTE: A side-effect of setting a CT callback is that an OCSP stapled response
2201 * will be requested.
2203 int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback,
2205 int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx,
2206 ssl_ct_validation_cb callback,
2208 #define SSL_disable_ct(s) \
2209 ((void) SSL_set_validation_callback((s), NULL, NULL))
2210 #define SSL_CTX_disable_ct(ctx) \
2211 ((void) SSL_CTX_set_validation_callback((ctx), NULL, NULL))
2214 * The validation type enumerates the available behaviours of the built-in SSL
2215 * CT validation callback selected via SSL_enable_ct() and SSL_CTX_enable_ct().
2216 * The underlying callback is a static function in libssl.
2219 SSL_CT_VALIDATION_PERMISSIVE = 0,
2220 SSL_CT_VALIDATION_STRICT
2224 * Enable CT by setting up a callback that implements one of the built-in
2225 * validation variants. The SSL_CT_VALIDATION_PERMISSIVE variant always
2226 * continues the handshake, the application can make appropriate decisions at
2227 * handshake completion. The SSL_CT_VALIDATION_STRICT variant requires at
2228 * least one valid SCT, or else handshake termination will be requested. The
2229 * handshake may continue anyway if SSL_VERIFY_NONE is in effect.
2231 int SSL_enable_ct(SSL *s, int validation_mode);
2232 int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode);
2235 * Report whether a non-NULL callback is enabled.
2237 int SSL_ct_is_enabled(const SSL *s);
2238 int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx);
2240 /* Gets the SCTs received from a connection */
2241 const STACK_OF(SCT) *SSL_get0_peer_scts(SSL *s);
2244 * Loads the CT log list from the default location.
2245 * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2246 * the log information loaded from this file will be appended to the
2248 * Returns 1 on success, 0 otherwise.
2250 int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx);
2253 * Loads the CT log list from the specified file path.
2254 * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2255 * the log information loaded from this file will be appended to the
2257 * Returns 1 on success, 0 otherwise.
2259 int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path);
2262 * Sets the CT log list used by all SSL connections created from this SSL_CTX.
2263 * Ownership of the CTLOG_STORE is transferred to the SSL_CTX.
2265 void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE *logs);
2268 * Gets the CT log list used by all SSL connections created from this SSL_CTX.
2269 * This will be NULL unless one of the following functions has been called:
2270 * - SSL_CTX_set_default_ctlog_list_file
2271 * - SSL_CTX_set_ctlog_list_file
2272 * - SSL_CTX_set_ctlog_store
2274 const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx);
2276 # endif /* OPENSSL_NO_CT */
2278 /* What the "other" parameter contains in security callback */
2280 # define SSL_SECOP_OTHER_TYPE 0xffff0000
2281 # define SSL_SECOP_OTHER_NONE 0
2282 # define SSL_SECOP_OTHER_CIPHER (1 << 16)
2283 # define SSL_SECOP_OTHER_CURVE (2 << 16)
2284 # define SSL_SECOP_OTHER_DH (3 << 16)
2285 # define SSL_SECOP_OTHER_PKEY (4 << 16)
2286 # define SSL_SECOP_OTHER_SIGALG (5 << 16)
2287 # define SSL_SECOP_OTHER_CERT (6 << 16)
2289 /* Indicated operation refers to peer key or certificate */
2290 # define SSL_SECOP_PEER 0x1000
2292 /* Values for "op" parameter in security callback */
2294 /* Called to filter ciphers */
2295 /* Ciphers client supports */
2296 # define SSL_SECOP_CIPHER_SUPPORTED (1 | SSL_SECOP_OTHER_CIPHER)
2297 /* Cipher shared by client/server */
2298 # define SSL_SECOP_CIPHER_SHARED (2 | SSL_SECOP_OTHER_CIPHER)
2299 /* Sanity check of cipher server selects */
2300 # define SSL_SECOP_CIPHER_CHECK (3 | SSL_SECOP_OTHER_CIPHER)
2301 /* Curves supported by client */
2302 # define SSL_SECOP_CURVE_SUPPORTED (4 | SSL_SECOP_OTHER_CURVE)
2303 /* Curves shared by client/server */
2304 # define SSL_SECOP_CURVE_SHARED (5 | SSL_SECOP_OTHER_CURVE)
2305 /* Sanity check of curve server selects */
2306 # define SSL_SECOP_CURVE_CHECK (6 | SSL_SECOP_OTHER_CURVE)
2307 /* Temporary DH key */
2308 # define SSL_SECOP_TMP_DH (7 | SSL_SECOP_OTHER_PKEY)
2309 /* SSL/TLS version */
2310 # define SSL_SECOP_VERSION (9 | SSL_SECOP_OTHER_NONE)
2311 /* Session tickets */
2312 # define SSL_SECOP_TICKET (10 | SSL_SECOP_OTHER_NONE)
2313 /* Supported signature algorithms sent to peer */
2314 # define SSL_SECOP_SIGALG_SUPPORTED (11 | SSL_SECOP_OTHER_SIGALG)
2315 /* Shared signature algorithm */
2316 # define SSL_SECOP_SIGALG_SHARED (12 | SSL_SECOP_OTHER_SIGALG)
2317 /* Sanity check signature algorithm allowed */
2318 # define SSL_SECOP_SIGALG_CHECK (13 | SSL_SECOP_OTHER_SIGALG)
2319 /* Used to get mask of supported public key signature algorithms */
2320 # define SSL_SECOP_SIGALG_MASK (14 | SSL_SECOP_OTHER_SIGALG)
2321 /* Use to see if compression is allowed */
2322 # define SSL_SECOP_COMPRESSION (15 | SSL_SECOP_OTHER_NONE)
2323 /* EE key in certificate */
2324 # define SSL_SECOP_EE_KEY (16 | SSL_SECOP_OTHER_CERT)
2325 /* CA key in certificate */
2326 # define SSL_SECOP_CA_KEY (17 | SSL_SECOP_OTHER_CERT)
2327 /* CA digest algorithm in certificate */
2328 # define SSL_SECOP_CA_MD (18 | SSL_SECOP_OTHER_CERT)
2329 /* Peer EE key in certificate */
2330 # define SSL_SECOP_PEER_EE_KEY (SSL_SECOP_EE_KEY | SSL_SECOP_PEER)
2331 /* Peer CA key in certificate */
2332 # define SSL_SECOP_PEER_CA_KEY (SSL_SECOP_CA_KEY | SSL_SECOP_PEER)
2333 /* Peer CA digest algorithm in certificate */
2334 # define SSL_SECOP_PEER_CA_MD (SSL_SECOP_CA_MD | SSL_SECOP_PEER)
2336 void SSL_set_security_level(SSL *s, int level);
2337 __owur int SSL_get_security_level(const SSL *s);
2338 void SSL_set_security_callback(SSL *s,
2339 int (*cb) (const SSL *s, const SSL_CTX *ctx,
2340 int op, int bits, int nid,
2341 void *other, void *ex));
2342 int (*SSL_get_security_callback(const SSL *s)) (const SSL *s,
2343 const SSL_CTX *ctx, int op,
2344 int bits, int nid, void *other,
2346 void SSL_set0_security_ex_data(SSL *s, void *ex);
2347 __owur void *SSL_get0_security_ex_data(const SSL *s);
2349 void SSL_CTX_set_security_level(SSL_CTX *ctx, int level);
2350 __owur int SSL_CTX_get_security_level(const SSL_CTX *ctx);
2351 void SSL_CTX_set_security_callback(SSL_CTX *ctx,
2352 int (*cb) (const SSL *s, const SSL_CTX *ctx,
2353 int op, int bits, int nid,
2354 void *other, void *ex));
2355 int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (const SSL *s,
2361 void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex);
2362 __owur void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx);
2364 /* OPENSSL_INIT flag 0x010000 reserved for internal use */
2365 # define OPENSSL_INIT_NO_LOAD_SSL_STRINGS 0x00100000L
2366 # define OPENSSL_INIT_LOAD_SSL_STRINGS 0x00200000L
2368 # define OPENSSL_INIT_SSL_DEFAULT \
2369 (OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS)
2371 int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
2373 # ifndef OPENSSL_NO_UNIT_TEST
2374 __owur const struct openssl_ssl_test_functions *SSL_test_functions(void);
2377 __owur int SSL_free_buffers(SSL *ssl);
2378 __owur int SSL_alloc_buffers(SSL *ssl);
2380 /* Status codes passed to the decrypt session ticket callback. Some of these
2381 * are for internal use only and are never passed to the callback. */
2382 typedef int SSL_TICKET_STATUS;
2384 /* Support for ticket appdata */
2385 /* fatal error, malloc failure */
2386 # define SSL_TICKET_FATAL_ERR_MALLOC 0
2387 /* fatal error, either from parsing or decrypting the ticket */
2388 # define SSL_TICKET_FATAL_ERR_OTHER 1
2389 /* No ticket present */
2390 # define SSL_TICKET_NONE 2
2391 /* Empty ticket present */
2392 # define SSL_TICKET_EMPTY 3
2393 /* the ticket couldn't be decrypted */
2394 # define SSL_TICKET_NO_DECRYPT 4
2395 /* a ticket was successfully decrypted */
2396 # define SSL_TICKET_SUCCESS 5
2397 /* same as above but the ticket needs to be renewed */
2398 # define SSL_TICKET_SUCCESS_RENEW 6
2400 /* Return codes for the decrypt session ticket callback */
2401 typedef int SSL_TICKET_RETURN;
2403 /* An error occurred */
2404 #define SSL_TICKET_RETURN_ABORT 0
2405 /* Do not use the ticket, do not send a renewed ticket to the client */
2406 #define SSL_TICKET_RETURN_IGNORE 1
2407 /* Do not use the ticket, send a renewed ticket to the client */
2408 #define SSL_TICKET_RETURN_IGNORE_RENEW 2
2409 /* Use the ticket, do not send a renewed ticket to the client */
2410 #define SSL_TICKET_RETURN_USE 3
2411 /* Use the ticket, send a renewed ticket to the client */
2412 #define SSL_TICKET_RETURN_USE_RENEW 4
2414 typedef int (*SSL_CTX_generate_session_ticket_fn)(SSL *s, void *arg);
2415 typedef SSL_TICKET_RETURN (*SSL_CTX_decrypt_session_ticket_fn)(SSL *s, SSL_SESSION *ss,
2416 const unsigned char *keyname,
2417 size_t keyname_length,
2418 SSL_TICKET_STATUS status,
2420 int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx,
2421 SSL_CTX_generate_session_ticket_fn gen_cb,
2422 SSL_CTX_decrypt_session_ticket_fn dec_cb,
2424 int SSL_SESSION_set1_ticket_appdata(SSL_SESSION *ss, const void *data, size_t len);
2425 int SSL_SESSION_get0_ticket_appdata(SSL_SESSION *ss, void **data, size_t *len);
2427 typedef unsigned int (*DTLS_timer_cb)(SSL *s, unsigned int timer_us);
2429 void DTLS_set_timer_cb(SSL *s, DTLS_timer_cb cb);
2432 typedef int (*SSL_allow_early_data_cb_fn)(SSL *s, void *arg);
2433 void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx,
2434 SSL_allow_early_data_cb_fn cb,
2436 void SSL_set_allow_early_data_cb(SSL *s,
2437 SSL_allow_early_data_cb_fn cb,