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Fix typo mistake on calls to SSL_ctrl in ssl.h
[thirdparty/openssl.git] / include / openssl / ssl.h
1 /*
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.
5 *
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
10 */
11
12 #ifndef HEADER_SSL_H
13 # define HEADER_SSL_H
14
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>
23 # endif
24 # include <openssl/lhash.h>
25 # include <openssl/pem.h>
26 # include <openssl/hmac.h>
27 # include <openssl/async.h>
28
29 # include <openssl/safestack.h>
30 # include <openssl/symhacks.h>
31 # include <openssl/ct.h>
32 # include <openssl/sslerr.h>
33
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37
38 /* OpenSSL version number for ASN.1 encoding of the session information */
39 /*-
40 * Version 0 - initial version
41 * Version 1 - added the optional peer certificate
42 */
43 # define SSL_SESSION_ASN1_VERSION 0x0001
44
45 # define SSL_MAX_SSL_SESSION_ID_LENGTH 32
46 # define SSL_MAX_SID_CTX_LENGTH 32
47
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
51
52 /* The maximum number of encrypt/decrypt pipelines we can support */
53 # define SSL_MAX_PIPELINES 32
54
55 /* text strings for the ciphers */
56
57 /* These are used to specify which ciphers to use and not to use */
58
59 # define SSL_TXT_LOW "LOW"
60 # define SSL_TXT_MEDIUM "MEDIUM"
61 # define SSL_TXT_HIGH "HIGH"
62 # define SSL_TXT_FIPS "FIPS"
63
64 # define SSL_TXT_aNULL "aNULL"
65 # define SSL_TXT_eNULL "eNULL"
66 # define SSL_TXT_NULL "NULL"
67
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"
85
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"
97
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"
111
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"
133
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"
143
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"
148
149 # define SSL_TXT_ALL "ALL"
150
151 /*-
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.
160 *
161 * COMPLEMENTOFDEFAULT does not experience the same special treatment that
162 * DEFAULT gets, as only selection is being done and no sorting as needed
163 * for DEFAULT.
164 */
165 # define SSL_TXT_CMPALL "COMPLEMENTOFALL"
166 # define SSL_TXT_CMPDEF "COMPLEMENTOFDEFAULT"
167
168 /*
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.
172 * DEPRECATED IN 3.0.0, in favor of OSSL_default_cipher_list()
173 * Update both macro and function simultaneously
174 */
175 # if !OPENSSL_API_3
176 # define SSL_DEFAULT_CIPHER_LIST "ALL:!COMPLEMENTOFDEFAULT:!eNULL"
177 /*
178 * This is the default set of TLSv1.3 ciphersuites
179 * DEPRECATED IN 3.0.0, in favor of OSSL_default_ciphersuites()
180 * Update both macro and function simultaneously
181 */
182 # if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
183 # define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \
184 "TLS_CHACHA20_POLY1305_SHA256:" \
185 "TLS_AES_128_GCM_SHA256"
186 # else
187 # define TLS_DEFAULT_CIPHERSUITES "TLS_AES_256_GCM_SHA384:" \
188 "TLS_AES_128_GCM_SHA256"
189 # endif
190 # endif
191 /*
192 * As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always
193 * starts with a reasonable order, and all we have to do for DEFAULT is
194 * throwing out anonymous and unencrypted ciphersuites! (The latter are not
195 * actually enabled by ALL, but "ALL:RSA" would enable some of them.)
196 */
197
198 /* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
199 # define SSL_SENT_SHUTDOWN 1
200 # define SSL_RECEIVED_SHUTDOWN 2
201
202 #ifdef __cplusplus
203 }
204 #endif
205
206 #ifdef __cplusplus
207 extern "C" {
208 #endif
209
210 # define SSL_FILETYPE_ASN1 X509_FILETYPE_ASN1
211 # define SSL_FILETYPE_PEM X509_FILETYPE_PEM
212
213 /*
214 * This is needed to stop compilers complaining about the 'struct ssl_st *'
215 * function parameters used to prototype callbacks in SSL_CTX.
216 */
217 typedef struct ssl_st *ssl_crock_st;
218 typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
219 typedef struct ssl_method_st SSL_METHOD;
220 typedef struct ssl_cipher_st SSL_CIPHER;
221 typedef struct ssl_session_st SSL_SESSION;
222 typedef struct tls_sigalgs_st TLS_SIGALGS;
223 typedef struct ssl_conf_ctx_st SSL_CONF_CTX;
224 typedef struct ssl_comp_st SSL_COMP;
225
226 STACK_OF(SSL_CIPHER);
227 STACK_OF(SSL_COMP);
228
229 /* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/
230 typedef struct srtp_protection_profile_st {
231 const char *name;
232 unsigned long id;
233 } SRTP_PROTECTION_PROFILE;
234
235 DEFINE_STACK_OF(SRTP_PROTECTION_PROFILE)
236
237 typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data,
238 int len, void *arg);
239 typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len,
240 STACK_OF(SSL_CIPHER) *peer_ciphers,
241 const SSL_CIPHER **cipher, void *arg);
242
243 /* Extension context codes */
244 /* This extension is only allowed in TLS */
245 #define SSL_EXT_TLS_ONLY 0x0001
246 /* This extension is only allowed in DTLS */
247 #define SSL_EXT_DTLS_ONLY 0x0002
248 /* Some extensions may be allowed in DTLS but we don't implement them for it */
249 #define SSL_EXT_TLS_IMPLEMENTATION_ONLY 0x0004
250 /* Most extensions are not defined for SSLv3 but EXT_TYPE_renegotiate is */
251 #define SSL_EXT_SSL3_ALLOWED 0x0008
252 /* Extension is only defined for TLS1.2 and below */
253 #define SSL_EXT_TLS1_2_AND_BELOW_ONLY 0x0010
254 /* Extension is only defined for TLS1.3 and above */
255 #define SSL_EXT_TLS1_3_ONLY 0x0020
256 /* Ignore this extension during parsing if we are resuming */
257 #define SSL_EXT_IGNORE_ON_RESUMPTION 0x0040
258 #define SSL_EXT_CLIENT_HELLO 0x0080
259 /* Really means TLS1.2 or below */
260 #define SSL_EXT_TLS1_2_SERVER_HELLO 0x0100
261 #define SSL_EXT_TLS1_3_SERVER_HELLO 0x0200
262 #define SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS 0x0400
263 #define SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST 0x0800
264 #define SSL_EXT_TLS1_3_CERTIFICATE 0x1000
265 #define SSL_EXT_TLS1_3_NEW_SESSION_TICKET 0x2000
266 #define SSL_EXT_TLS1_3_CERTIFICATE_REQUEST 0x4000
267
268 /* Typedefs for handling custom extensions */
269
270 typedef int (*custom_ext_add_cb)(SSL *s, unsigned int ext_type,
271 const unsigned char **out, size_t *outlen,
272 int *al, void *add_arg);
273
274 typedef void (*custom_ext_free_cb)(SSL *s, unsigned int ext_type,
275 const unsigned char *out, void *add_arg);
276
277 typedef int (*custom_ext_parse_cb)(SSL *s, unsigned int ext_type,
278 const unsigned char *in, size_t inlen,
279 int *al, void *parse_arg);
280
281
282 typedef int (*SSL_custom_ext_add_cb_ex)(SSL *s, unsigned int ext_type,
283 unsigned int context,
284 const unsigned char **out,
285 size_t *outlen, X509 *x,
286 size_t chainidx,
287 int *al, void *add_arg);
288
289 typedef void (*SSL_custom_ext_free_cb_ex)(SSL *s, unsigned int ext_type,
290 unsigned int context,
291 const unsigned char *out,
292 void *add_arg);
293
294 typedef int (*SSL_custom_ext_parse_cb_ex)(SSL *s, unsigned int ext_type,
295 unsigned int context,
296 const unsigned char *in,
297 size_t inlen, X509 *x,
298 size_t chainidx,
299 int *al, void *parse_arg);
300
301 /* Typedef for verification callback */
302 typedef int (*SSL_verify_cb)(int preverify_ok, X509_STORE_CTX *x509_ctx);
303
304 /* Typedef for SSL async callback */
305 typedef int (*SSL_async_callback_fn)(SSL *s, void *arg);
306
307 /*
308 * Some values are reserved until OpenSSL 3.0.0 because they were previously
309 * included in SSL_OP_ALL in a 1.1.x release.
310 */
311
312 /* Disable Extended master secret */
313 # define SSL_OP_NO_EXTENDED_MASTER_SECRET 0x00000001U
314
315 /* Reserved value (until OpenSSL 3.0.0) 0x00000002U */
316
317 /* Allow initial connection to servers that don't support RI */
318 # define SSL_OP_LEGACY_SERVER_CONNECT 0x00000004U
319
320 /* Reserved value (until OpenSSL 3.0.0) 0x00000008U */
321 # define SSL_OP_TLSEXT_PADDING 0x00000010U
322 /* Reserved value (until OpenSSL 3.0.0) 0x00000020U */
323 # define SSL_OP_SAFARI_ECDHE_ECDSA_BUG 0x00000040U
324 /*
325 * Reserved value (until OpenSSL 3.0.0) 0x00000080U
326 * Reserved value (until OpenSSL 3.0.0) 0x00000100U
327 * Reserved value (until OpenSSL 3.0.0) 0x00000200U
328 */
329
330 /* In TLSv1.3 allow a non-(ec)dhe based kex_mode */
331 # define SSL_OP_ALLOW_NO_DHE_KEX 0x00000400U
332
333 /*
334 * Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added in
335 * OpenSSL 0.9.6d. Usually (depending on the application protocol) the
336 * workaround is not needed. Unfortunately some broken SSL/TLS
337 * implementations cannot handle it at all, which is why we include it in
338 * SSL_OP_ALL. Added in 0.9.6e
339 */
340 # define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS 0x00000800U
341
342 /* DTLS options */
343 # define SSL_OP_NO_QUERY_MTU 0x00001000U
344 /* Turn on Cookie Exchange (on relevant for servers) */
345 # define SSL_OP_COOKIE_EXCHANGE 0x00002000U
346 /* Don't use RFC4507 ticket extension */
347 # define SSL_OP_NO_TICKET 0x00004000U
348 # ifndef OPENSSL_NO_DTLS1_METHOD
349 /* Use Cisco's "speshul" version of DTLS_BAD_VER
350 * (only with deprecated DTLSv1_client_method()) */
351 # define SSL_OP_CISCO_ANYCONNECT 0x00008000U
352 # endif
353
354 /* As server, disallow session resumption on renegotiation */
355 # define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION 0x00010000U
356 /* Don't use compression even if supported */
357 # define SSL_OP_NO_COMPRESSION 0x00020000U
358 /* Permit unsafe legacy renegotiation */
359 # define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION 0x00040000U
360 /* Disable encrypt-then-mac */
361 # define SSL_OP_NO_ENCRYPT_THEN_MAC 0x00080000U
362
363 /*
364 * Enable TLSv1.3 Compatibility mode. This is on by default. A future version
365 * of OpenSSL may have this disabled by default.
366 */
367 # define SSL_OP_ENABLE_MIDDLEBOX_COMPAT 0x00100000U
368
369 /* Prioritize Chacha20Poly1305 when client does.
370 * Modifies SSL_OP_CIPHER_SERVER_PREFERENCE */
371 # define SSL_OP_PRIORITIZE_CHACHA 0x00200000U
372
373 /*
374 * Set on servers to choose the cipher according to the server's preferences
375 */
376 # define SSL_OP_CIPHER_SERVER_PREFERENCE 0x00400000U
377 /*
378 * If set, a server will allow a client to issue a SSLv3.0 version number as
379 * latest version supported in the premaster secret, even when TLSv1.0
380 * (version 3.1) was announced in the client hello. Normally this is
381 * forbidden to prevent version rollback attacks.
382 */
383 # define SSL_OP_TLS_ROLLBACK_BUG 0x00800000U
384
385 /*
386 * Switches off automatic TLSv1.3 anti-replay protection for early data. This
387 * is a server-side option only (no effect on the client).
388 */
389 # define SSL_OP_NO_ANTI_REPLAY 0x01000000U
390
391 # define SSL_OP_NO_SSLv3 0x02000000U
392 # define SSL_OP_NO_TLSv1 0x04000000U
393 # define SSL_OP_NO_TLSv1_2 0x08000000U
394 # define SSL_OP_NO_TLSv1_1 0x10000000U
395 # define SSL_OP_NO_TLSv1_3 0x20000000U
396
397 # define SSL_OP_NO_DTLSv1 0x04000000U
398 # define SSL_OP_NO_DTLSv1_2 0x08000000U
399
400 # define SSL_OP_NO_SSL_MASK (SSL_OP_NO_SSLv3|\
401 SSL_OP_NO_TLSv1|SSL_OP_NO_TLSv1_1|SSL_OP_NO_TLSv1_2|SSL_OP_NO_TLSv1_3)
402 # define SSL_OP_NO_DTLS_MASK (SSL_OP_NO_DTLSv1|SSL_OP_NO_DTLSv1_2)
403
404 /* Disallow all renegotiation */
405 # define SSL_OP_NO_RENEGOTIATION 0x40000000U
406
407 /*
408 * Make server add server-hello extension from early version of cryptopro
409 * draft, when GOST ciphersuite is negotiated. Required for interoperability
410 * with CryptoPro CSP 3.x
411 */
412 # define SSL_OP_CRYPTOPRO_TLSEXT_BUG 0x80000000U
413
414 /*
415 * SSL_OP_ALL: various bug workarounds that should be rather harmless.
416 * This used to be 0x000FFFFFL before 0.9.7.
417 * This used to be 0x80000BFFU before 1.1.1.
418 */
419 # define SSL_OP_ALL (SSL_OP_CRYPTOPRO_TLSEXT_BUG|\
420 SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS|\
421 SSL_OP_LEGACY_SERVER_CONNECT|\
422 SSL_OP_TLSEXT_PADDING|\
423 SSL_OP_SAFARI_ECDHE_ECDSA_BUG)
424
425 /* OBSOLETE OPTIONS: retained for compatibility */
426
427 /* Removed from OpenSSL 1.1.0. Was 0x00000001L */
428 /* Related to removed SSLv2. */
429 # define SSL_OP_MICROSOFT_SESS_ID_BUG 0x0
430 /* Removed from OpenSSL 1.1.0. Was 0x00000002L */
431 /* Related to removed SSLv2. */
432 # define SSL_OP_NETSCAPE_CHALLENGE_BUG 0x0
433 /* Removed from OpenSSL 0.9.8q and 1.0.0c. Was 0x00000008L */
434 /* Dead forever, see CVE-2010-4180 */
435 # define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG 0x0
436 /* Removed from OpenSSL 1.0.1h and 1.0.2. Was 0x00000010L */
437 /* Refers to ancient SSLREF and SSLv2. */
438 # define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG 0x0
439 /* Removed from OpenSSL 1.1.0. Was 0x00000020 */
440 # define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER 0x0
441 /* Removed from OpenSSL 0.9.7h and 0.9.8b. Was 0x00000040L */
442 # define SSL_OP_MSIE_SSLV2_RSA_PADDING 0x0
443 /* Removed from OpenSSL 1.1.0. Was 0x00000080 */
444 /* Ancient SSLeay version. */
445 # define SSL_OP_SSLEAY_080_CLIENT_DH_BUG 0x0
446 /* Removed from OpenSSL 1.1.0. Was 0x00000100L */
447 # define SSL_OP_TLS_D5_BUG 0x0
448 /* Removed from OpenSSL 1.1.0. Was 0x00000200L */
449 # define SSL_OP_TLS_BLOCK_PADDING_BUG 0x0
450 /* Removed from OpenSSL 1.1.0. Was 0x00080000L */
451 # define SSL_OP_SINGLE_ECDH_USE 0x0
452 /* Removed from OpenSSL 1.1.0. Was 0x00100000L */
453 # define SSL_OP_SINGLE_DH_USE 0x0
454 /* Removed from OpenSSL 1.0.1k and 1.0.2. Was 0x00200000L */
455 # define SSL_OP_EPHEMERAL_RSA 0x0
456 /* Removed from OpenSSL 1.1.0. Was 0x01000000L */
457 # define SSL_OP_NO_SSLv2 0x0
458 /* Removed from OpenSSL 1.0.1. Was 0x08000000L */
459 # define SSL_OP_PKCS1_CHECK_1 0x0
460 /* Removed from OpenSSL 1.0.1. Was 0x10000000L */
461 # define SSL_OP_PKCS1_CHECK_2 0x0
462 /* Removed from OpenSSL 1.1.0. Was 0x20000000L */
463 # define SSL_OP_NETSCAPE_CA_DN_BUG 0x0
464 /* Removed from OpenSSL 1.1.0. Was 0x40000000L */
465 # define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG 0x0
466
467 /*
468 * Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
469 * when just a single record has been written):
470 */
471 # define SSL_MODE_ENABLE_PARTIAL_WRITE 0x00000001U
472 /*
473 * Make it possible to retry SSL_write() with changed buffer location (buffer
474 * contents must stay the same!); this is not the default to avoid the
475 * misconception that non-blocking SSL_write() behaves like non-blocking
476 * write():
477 */
478 # define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002U
479 /*
480 * Never bother the application with retries if the transport is blocking:
481 */
482 # define SSL_MODE_AUTO_RETRY 0x00000004U
483 /* Don't attempt to automatically build certificate chain */
484 # define SSL_MODE_NO_AUTO_CHAIN 0x00000008U
485 /*
486 * Save RAM by releasing read and write buffers when they're empty. (SSL3 and
487 * TLS only.) Released buffers are freed.
488 */
489 # define SSL_MODE_RELEASE_BUFFERS 0x00000010U
490 /*
491 * Send the current time in the Random fields of the ClientHello and
492 * ServerHello records for compatibility with hypothetical implementations
493 * that require it.
494 */
495 # define SSL_MODE_SEND_CLIENTHELLO_TIME 0x00000020U
496 # define SSL_MODE_SEND_SERVERHELLO_TIME 0x00000040U
497 /*
498 * Send TLS_FALLBACK_SCSV in the ClientHello. To be set only by applications
499 * that reconnect with a downgraded protocol version; see
500 * draft-ietf-tls-downgrade-scsv-00 for details. DO NOT ENABLE THIS if your
501 * application attempts a normal handshake. Only use this in explicit
502 * fallback retries, following the guidance in
503 * draft-ietf-tls-downgrade-scsv-00.
504 */
505 # define SSL_MODE_SEND_FALLBACK_SCSV 0x00000080U
506 /*
507 * Support Asynchronous operation
508 */
509 # define SSL_MODE_ASYNC 0x00000100U
510 /*
511 * Don't use the kernel TLS data-path for sending.
512 */
513 # define SSL_MODE_NO_KTLS_TX 0x00000200U
514 /*
515 * When using DTLS/SCTP, include the terminating zero in the label
516 * used for computing the endpoint-pair shared secret. Required for
517 * interoperability with implementations having this bug like these
518 * older version of OpenSSL:
519 * - OpenSSL 1.0.0 series
520 * - OpenSSL 1.0.1 series
521 * - OpenSSL 1.0.2 series
522 * - OpenSSL 1.1.0 series
523 * - OpenSSL 1.1.1 and 1.1.1a
524 */
525 # define SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG 0x00000400U
526 /*
527 * Don't use the kernel TLS data-path for receiving.
528 */
529 # define SSL_MODE_NO_KTLS_RX 0x00000800U
530
531 /* Cert related flags */
532 /*
533 * Many implementations ignore some aspects of the TLS standards such as
534 * enforcing certificate chain algorithms. When this is set we enforce them.
535 */
536 # define SSL_CERT_FLAG_TLS_STRICT 0x00000001U
537
538 /* Suite B modes, takes same values as certificate verify flags */
539 # define SSL_CERT_FLAG_SUITEB_128_LOS_ONLY 0x10000
540 /* Suite B 192 bit only mode */
541 # define SSL_CERT_FLAG_SUITEB_192_LOS 0x20000
542 /* Suite B 128 bit mode allowing 192 bit algorithms */
543 # define SSL_CERT_FLAG_SUITEB_128_LOS 0x30000
544
545 /* Perform all sorts of protocol violations for testing purposes */
546 # define SSL_CERT_FLAG_BROKEN_PROTOCOL 0x10000000
547
548 /* Flags for building certificate chains */
549 /* Treat any existing certificates as untrusted CAs */
550 # define SSL_BUILD_CHAIN_FLAG_UNTRUSTED 0x1
551 /* Don't include root CA in chain */
552 # define SSL_BUILD_CHAIN_FLAG_NO_ROOT 0x2
553 /* Just check certificates already there */
554 # define SSL_BUILD_CHAIN_FLAG_CHECK 0x4
555 /* Ignore verification errors */
556 # define SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR 0x8
557 /* Clear verification errors from queue */
558 # define SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR 0x10
559
560 /* Flags returned by SSL_check_chain */
561 /* Certificate can be used with this session */
562 # define CERT_PKEY_VALID 0x1
563 /* Certificate can also be used for signing */
564 # define CERT_PKEY_SIGN 0x2
565 /* EE certificate signing algorithm OK */
566 # define CERT_PKEY_EE_SIGNATURE 0x10
567 /* CA signature algorithms OK */
568 # define CERT_PKEY_CA_SIGNATURE 0x20
569 /* EE certificate parameters OK */
570 # define CERT_PKEY_EE_PARAM 0x40
571 /* CA certificate parameters OK */
572 # define CERT_PKEY_CA_PARAM 0x80
573 /* Signing explicitly allowed as opposed to SHA1 fallback */
574 # define CERT_PKEY_EXPLICIT_SIGN 0x100
575 /* Client CA issuer names match (always set for server cert) */
576 # define CERT_PKEY_ISSUER_NAME 0x200
577 /* Cert type matches client types (always set for server cert) */
578 # define CERT_PKEY_CERT_TYPE 0x400
579 /* Cert chain suitable to Suite B */
580 # define CERT_PKEY_SUITEB 0x800
581
582 # define SSL_CONF_FLAG_CMDLINE 0x1
583 # define SSL_CONF_FLAG_FILE 0x2
584 # define SSL_CONF_FLAG_CLIENT 0x4
585 # define SSL_CONF_FLAG_SERVER 0x8
586 # define SSL_CONF_FLAG_SHOW_ERRORS 0x10
587 # define SSL_CONF_FLAG_CERTIFICATE 0x20
588 # define SSL_CONF_FLAG_REQUIRE_PRIVATE 0x40
589 /* Configuration value types */
590 # define SSL_CONF_TYPE_UNKNOWN 0x0
591 # define SSL_CONF_TYPE_STRING 0x1
592 # define SSL_CONF_TYPE_FILE 0x2
593 # define SSL_CONF_TYPE_DIR 0x3
594 # define SSL_CONF_TYPE_NONE 0x4
595
596 /* Maximum length of the application-controlled segment of a a TLSv1.3 cookie */
597 # define SSL_COOKIE_LENGTH 4096
598
599 /*
600 * Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value, they
601 * cannot be used to clear bits.
602 */
603
604 unsigned long SSL_CTX_get_options(const SSL_CTX *ctx);
605 unsigned long SSL_get_options(const SSL *s);
606 unsigned long SSL_CTX_clear_options(SSL_CTX *ctx, unsigned long op);
607 unsigned long SSL_clear_options(SSL *s, unsigned long op);
608 unsigned long SSL_CTX_set_options(SSL_CTX *ctx, unsigned long op);
609 unsigned long SSL_set_options(SSL *s, unsigned long op);
610
611 # define SSL_CTX_set_mode(ctx,op) \
612 SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
613 # define SSL_CTX_clear_mode(ctx,op) \
614 SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
615 # define SSL_CTX_get_mode(ctx) \
616 SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
617 # define SSL_clear_mode(ssl,op) \
618 SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
619 # define SSL_set_mode(ssl,op) \
620 SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
621 # define SSL_get_mode(ssl) \
622 SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
623 # define SSL_set_mtu(ssl, mtu) \
624 SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
625 # define DTLS_set_link_mtu(ssl, mtu) \
626 SSL_ctrl((ssl),DTLS_CTRL_SET_LINK_MTU,(mtu),NULL)
627 # define DTLS_get_link_min_mtu(ssl) \
628 SSL_ctrl((ssl),DTLS_CTRL_GET_LINK_MIN_MTU,0,NULL)
629
630 # define SSL_get_secure_renegotiation_support(ssl) \
631 SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
632
633 # define SSL_CTX_set_cert_flags(ctx,op) \
634 SSL_CTX_ctrl((ctx),SSL_CTRL_CERT_FLAGS,(op),NULL)
635 # define SSL_set_cert_flags(s,op) \
636 SSL_ctrl((s),SSL_CTRL_CERT_FLAGS,(op),NULL)
637 # define SSL_CTX_clear_cert_flags(ctx,op) \
638 SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
639 # define SSL_clear_cert_flags(s,op) \
640 SSL_ctrl((s),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
641
642 void SSL_CTX_set_msg_callback(SSL_CTX *ctx,
643 void (*cb) (int write_p, int version,
644 int content_type, const void *buf,
645 size_t len, SSL *ssl, void *arg));
646 void SSL_set_msg_callback(SSL *ssl,
647 void (*cb) (int write_p, int version,
648 int content_type, const void *buf,
649 size_t len, SSL *ssl, void *arg));
650 # define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
651 # define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
652
653 # define SSL_get_extms_support(s) \
654 SSL_ctrl((s),SSL_CTRL_GET_EXTMS_SUPPORT,0,NULL)
655
656 # ifndef OPENSSL_NO_SRP
657
658 /* see tls_srp.c */
659 __owur int SSL_SRP_CTX_init(SSL *s);
660 __owur int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx);
661 int SSL_SRP_CTX_free(SSL *ctx);
662 int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx);
663 __owur int SSL_srp_server_param_with_username(SSL *s, int *ad);
664 __owur int SRP_Calc_A_param(SSL *s);
665
666 # endif
667
668 /* 100k max cert list */
669 # define SSL_MAX_CERT_LIST_DEFAULT 1024*100
670
671 # define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT (1024*20)
672
673 /*
674 * This callback type is used inside SSL_CTX, SSL, and in the functions that
675 * set them. It is used to override the generation of SSL/TLS session IDs in
676 * a server. Return value should be zero on an error, non-zero to proceed.
677 * Also, callbacks should themselves check if the id they generate is unique
678 * otherwise the SSL handshake will fail with an error - callbacks can do
679 * this using the 'ssl' value they're passed by;
680 * SSL_has_matching_session_id(ssl, id, *id_len) The length value passed in
681 * is set at the maximum size the session ID can be. In SSLv3/TLSv1 it is 32
682 * bytes. The callback can alter this length to be less if desired. It is
683 * also an error for the callback to set the size to zero.
684 */
685 typedef int (*GEN_SESSION_CB) (SSL *ssl, unsigned char *id,
686 unsigned int *id_len);
687
688 # define SSL_SESS_CACHE_OFF 0x0000
689 # define SSL_SESS_CACHE_CLIENT 0x0001
690 # define SSL_SESS_CACHE_SERVER 0x0002
691 # define SSL_SESS_CACHE_BOTH (SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER)
692 # define SSL_SESS_CACHE_NO_AUTO_CLEAR 0x0080
693 /* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
694 # define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP 0x0100
695 # define SSL_SESS_CACHE_NO_INTERNAL_STORE 0x0200
696 # define SSL_SESS_CACHE_NO_INTERNAL \
697 (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE)
698
699 LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx);
700 # define SSL_CTX_sess_number(ctx) \
701 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
702 # define SSL_CTX_sess_connect(ctx) \
703 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
704 # define SSL_CTX_sess_connect_good(ctx) \
705 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
706 # define SSL_CTX_sess_connect_renegotiate(ctx) \
707 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
708 # define SSL_CTX_sess_accept(ctx) \
709 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
710 # define SSL_CTX_sess_accept_renegotiate(ctx) \
711 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
712 # define SSL_CTX_sess_accept_good(ctx) \
713 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
714 # define SSL_CTX_sess_hits(ctx) \
715 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
716 # define SSL_CTX_sess_cb_hits(ctx) \
717 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
718 # define SSL_CTX_sess_misses(ctx) \
719 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
720 # define SSL_CTX_sess_timeouts(ctx) \
721 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
722 # define SSL_CTX_sess_cache_full(ctx) \
723 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
724
725 void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
726 int (*new_session_cb) (struct ssl_st *ssl,
727 SSL_SESSION *sess));
728 int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx)) (struct ssl_st *ssl,
729 SSL_SESSION *sess);
730 void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
731 void (*remove_session_cb) (struct ssl_ctx_st
732 *ctx,
733 SSL_SESSION *sess));
734 void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx)) (struct ssl_ctx_st *ctx,
735 SSL_SESSION *sess);
736 void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
737 SSL_SESSION *(*get_session_cb) (struct ssl_st
738 *ssl,
739 const unsigned char
740 *data, int len,
741 int *copy));
742 SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx)) (struct ssl_st *ssl,
743 const unsigned char *data,
744 int len, int *copy);
745 void SSL_CTX_set_info_callback(SSL_CTX *ctx,
746 void (*cb) (const SSL *ssl, int type, int val));
747 void (*SSL_CTX_get_info_callback(SSL_CTX *ctx)) (const SSL *ssl, int type,
748 int val);
749 void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
750 int (*client_cert_cb) (SSL *ssl, X509 **x509,
751 EVP_PKEY **pkey));
752 int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx)) (SSL *ssl, X509 **x509,
753 EVP_PKEY **pkey);
754 # ifndef OPENSSL_NO_ENGINE
755 __owur int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e);
756 # endif
757 void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
758 int (*app_gen_cookie_cb) (SSL *ssl,
759 unsigned char
760 *cookie,
761 unsigned int
762 *cookie_len));
763 void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
764 int (*app_verify_cookie_cb) (SSL *ssl,
765 const unsigned
766 char *cookie,
767 unsigned int
768 cookie_len));
769
770 void SSL_CTX_set_stateless_cookie_generate_cb(
771 SSL_CTX *ctx,
772 int (*gen_stateless_cookie_cb) (SSL *ssl,
773 unsigned char *cookie,
774 size_t *cookie_len));
775 void SSL_CTX_set_stateless_cookie_verify_cb(
776 SSL_CTX *ctx,
777 int (*verify_stateless_cookie_cb) (SSL *ssl,
778 const unsigned char *cookie,
779 size_t cookie_len));
780 # ifndef OPENSSL_NO_NEXTPROTONEG
781
782 typedef int (*SSL_CTX_npn_advertised_cb_func)(SSL *ssl,
783 const unsigned char **out,
784 unsigned int *outlen,
785 void *arg);
786 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s,
787 SSL_CTX_npn_advertised_cb_func cb,
788 void *arg);
789 # define SSL_CTX_set_npn_advertised_cb SSL_CTX_set_next_protos_advertised_cb
790
791 typedef int (*SSL_CTX_npn_select_cb_func)(SSL *s,
792 unsigned char **out,
793 unsigned char *outlen,
794 const unsigned char *in,
795 unsigned int inlen,
796 void *arg);
797 void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s,
798 SSL_CTX_npn_select_cb_func cb,
799 void *arg);
800 # define SSL_CTX_set_npn_select_cb SSL_CTX_set_next_proto_select_cb
801
802 void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data,
803 unsigned *len);
804 # define SSL_get0_npn_negotiated SSL_get0_next_proto_negotiated
805 # endif
806
807 __owur int SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
808 const unsigned char *in, unsigned int inlen,
809 const unsigned char *client,
810 unsigned int client_len);
811
812 # define OPENSSL_NPN_UNSUPPORTED 0
813 # define OPENSSL_NPN_NEGOTIATED 1
814 # define OPENSSL_NPN_NO_OVERLAP 2
815
816 __owur int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos,
817 unsigned int protos_len);
818 __owur int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos,
819 unsigned int protos_len);
820 typedef int (*SSL_CTX_alpn_select_cb_func)(SSL *ssl,
821 const unsigned char **out,
822 unsigned char *outlen,
823 const unsigned char *in,
824 unsigned int inlen,
825 void *arg);
826 void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
827 SSL_CTX_alpn_select_cb_func cb,
828 void *arg);
829 void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
830 unsigned int *len);
831
832 # ifndef OPENSSL_NO_PSK
833 /*
834 * the maximum length of the buffer given to callbacks containing the
835 * resulting identity/psk
836 */
837 # define PSK_MAX_IDENTITY_LEN 128
838 # define PSK_MAX_PSK_LEN 256
839 typedef unsigned int (*SSL_psk_client_cb_func)(SSL *ssl,
840 const char *hint,
841 char *identity,
842 unsigned int max_identity_len,
843 unsigned char *psk,
844 unsigned int max_psk_len);
845 void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb);
846 void SSL_set_psk_client_callback(SSL *ssl, SSL_psk_client_cb_func cb);
847
848 typedef unsigned int (*SSL_psk_server_cb_func)(SSL *ssl,
849 const char *identity,
850 unsigned char *psk,
851 unsigned int max_psk_len);
852 void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb);
853 void SSL_set_psk_server_callback(SSL *ssl, SSL_psk_server_cb_func cb);
854
855 __owur int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint);
856 __owur int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint);
857 const char *SSL_get_psk_identity_hint(const SSL *s);
858 const char *SSL_get_psk_identity(const SSL *s);
859 # endif
860
861 typedef int (*SSL_psk_find_session_cb_func)(SSL *ssl,
862 const unsigned char *identity,
863 size_t identity_len,
864 SSL_SESSION **sess);
865 typedef int (*SSL_psk_use_session_cb_func)(SSL *ssl, const EVP_MD *md,
866 const unsigned char **id,
867 size_t *idlen,
868 SSL_SESSION **sess);
869
870 void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb);
871 void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx,
872 SSL_psk_find_session_cb_func cb);
873 void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb);
874 void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx,
875 SSL_psk_use_session_cb_func cb);
876
877 /* Register callbacks to handle custom TLS Extensions for client or server. */
878
879 __owur int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx,
880 unsigned int ext_type);
881
882 __owur int SSL_CTX_add_client_custom_ext(SSL_CTX *ctx,
883 unsigned int ext_type,
884 custom_ext_add_cb add_cb,
885 custom_ext_free_cb free_cb,
886 void *add_arg,
887 custom_ext_parse_cb parse_cb,
888 void *parse_arg);
889
890 __owur int SSL_CTX_add_server_custom_ext(SSL_CTX *ctx,
891 unsigned int ext_type,
892 custom_ext_add_cb add_cb,
893 custom_ext_free_cb free_cb,
894 void *add_arg,
895 custom_ext_parse_cb parse_cb,
896 void *parse_arg);
897
898 __owur int SSL_CTX_add_custom_ext(SSL_CTX *ctx, unsigned int ext_type,
899 unsigned int context,
900 SSL_custom_ext_add_cb_ex add_cb,
901 SSL_custom_ext_free_cb_ex free_cb,
902 void *add_arg,
903 SSL_custom_ext_parse_cb_ex parse_cb,
904 void *parse_arg);
905
906 __owur int SSL_extension_supported(unsigned int ext_type);
907
908 # define SSL_NOTHING 1
909 # define SSL_WRITING 2
910 # define SSL_READING 3
911 # define SSL_X509_LOOKUP 4
912 # define SSL_ASYNC_PAUSED 5
913 # define SSL_ASYNC_NO_JOBS 6
914 # define SSL_CLIENT_HELLO_CB 7
915
916 /* These will only be used when doing non-blocking IO */
917 # define SSL_want_nothing(s) (SSL_want(s) == SSL_NOTHING)
918 # define SSL_want_read(s) (SSL_want(s) == SSL_READING)
919 # define SSL_want_write(s) (SSL_want(s) == SSL_WRITING)
920 # define SSL_want_x509_lookup(s) (SSL_want(s) == SSL_X509_LOOKUP)
921 # define SSL_want_async(s) (SSL_want(s) == SSL_ASYNC_PAUSED)
922 # define SSL_want_async_job(s) (SSL_want(s) == SSL_ASYNC_NO_JOBS)
923 # define SSL_want_client_hello_cb(s) (SSL_want(s) == SSL_CLIENT_HELLO_CB)
924
925 # define SSL_MAC_FLAG_READ_MAC_STREAM 1
926 # define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
927
928 /*
929 * A callback for logging out TLS key material. This callback should log out
930 * |line| followed by a newline.
931 */
932 typedef void (*SSL_CTX_keylog_cb_func)(const SSL *ssl, const char *line);
933
934 /*
935 * SSL_CTX_set_keylog_callback configures a callback to log key material. This
936 * is intended for debugging use with tools like Wireshark. The cb function
937 * should log line followed by a newline.
938 */
939 void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb);
940
941 /*
942 * SSL_CTX_get_keylog_callback returns the callback configured by
943 * SSL_CTX_set_keylog_callback.
944 */
945 SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx);
946
947 int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data);
948 uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx);
949 int SSL_set_max_early_data(SSL *s, uint32_t max_early_data);
950 uint32_t SSL_get_max_early_data(const SSL *s);
951 int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data);
952 uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx);
953 int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data);
954 uint32_t SSL_get_recv_max_early_data(const SSL *s);
955
956 #ifdef __cplusplus
957 }
958 #endif
959
960 # include <openssl/ssl2.h>
961 # include <openssl/ssl3.h>
962 # include <openssl/tls1.h> /* This is mostly sslv3 with a few tweaks */
963 # include <openssl/dtls1.h> /* Datagram TLS */
964 # include <openssl/srtp.h> /* Support for the use_srtp extension */
965
966 #ifdef __cplusplus
967 extern "C" {
968 #endif
969
970 /*
971 * These need to be after the above set of includes due to a compiler bug
972 * in VisualStudio 2015
973 */
974 DEFINE_STACK_OF_CONST(SSL_CIPHER)
975 DEFINE_STACK_OF(SSL_COMP)
976
977 /* compatibility */
978 # define SSL_set_app_data(s,arg) (SSL_set_ex_data(s,0,(char *)(arg)))
979 # define SSL_get_app_data(s) (SSL_get_ex_data(s,0))
980 # define SSL_SESSION_set_app_data(s,a) (SSL_SESSION_set_ex_data(s,0, \
981 (char *)(a)))
982 # define SSL_SESSION_get_app_data(s) (SSL_SESSION_get_ex_data(s,0))
983 # define SSL_CTX_get_app_data(ctx) (SSL_CTX_get_ex_data(ctx,0))
984 # define SSL_CTX_set_app_data(ctx,arg) (SSL_CTX_set_ex_data(ctx,0, \
985 (char *)(arg)))
986 DEPRECATEDIN_1_1_0(void SSL_set_debug(SSL *s, int debug))
987
988 /* TLSv1.3 KeyUpdate message types */
989 /* -1 used so that this is an invalid value for the on-the-wire protocol */
990 #define SSL_KEY_UPDATE_NONE -1
991 /* Values as defined for the on-the-wire protocol */
992 #define SSL_KEY_UPDATE_NOT_REQUESTED 0
993 #define SSL_KEY_UPDATE_REQUESTED 1
994
995 /*
996 * The valid handshake states (one for each type message sent and one for each
997 * type of message received). There are also two "special" states:
998 * TLS = TLS or DTLS state
999 * DTLS = DTLS specific state
1000 * CR/SR = Client Read/Server Read
1001 * CW/SW = Client Write/Server Write
1002 *
1003 * The "special" states are:
1004 * TLS_ST_BEFORE = No handshake has been initiated yet
1005 * TLS_ST_OK = A handshake has been successfully completed
1006 */
1007 typedef enum {
1008 TLS_ST_BEFORE,
1009 TLS_ST_OK,
1010 DTLS_ST_CR_HELLO_VERIFY_REQUEST,
1011 TLS_ST_CR_SRVR_HELLO,
1012 TLS_ST_CR_CERT,
1013 TLS_ST_CR_CERT_STATUS,
1014 TLS_ST_CR_KEY_EXCH,
1015 TLS_ST_CR_CERT_REQ,
1016 TLS_ST_CR_SRVR_DONE,
1017 TLS_ST_CR_SESSION_TICKET,
1018 TLS_ST_CR_CHANGE,
1019 TLS_ST_CR_FINISHED,
1020 TLS_ST_CW_CLNT_HELLO,
1021 TLS_ST_CW_CERT,
1022 TLS_ST_CW_KEY_EXCH,
1023 TLS_ST_CW_CERT_VRFY,
1024 TLS_ST_CW_CHANGE,
1025 TLS_ST_CW_NEXT_PROTO,
1026 TLS_ST_CW_FINISHED,
1027 TLS_ST_SW_HELLO_REQ,
1028 TLS_ST_SR_CLNT_HELLO,
1029 DTLS_ST_SW_HELLO_VERIFY_REQUEST,
1030 TLS_ST_SW_SRVR_HELLO,
1031 TLS_ST_SW_CERT,
1032 TLS_ST_SW_KEY_EXCH,
1033 TLS_ST_SW_CERT_REQ,
1034 TLS_ST_SW_SRVR_DONE,
1035 TLS_ST_SR_CERT,
1036 TLS_ST_SR_KEY_EXCH,
1037 TLS_ST_SR_CERT_VRFY,
1038 TLS_ST_SR_NEXT_PROTO,
1039 TLS_ST_SR_CHANGE,
1040 TLS_ST_SR_FINISHED,
1041 TLS_ST_SW_SESSION_TICKET,
1042 TLS_ST_SW_CERT_STATUS,
1043 TLS_ST_SW_CHANGE,
1044 TLS_ST_SW_FINISHED,
1045 TLS_ST_SW_ENCRYPTED_EXTENSIONS,
1046 TLS_ST_CR_ENCRYPTED_EXTENSIONS,
1047 TLS_ST_CR_CERT_VRFY,
1048 TLS_ST_SW_CERT_VRFY,
1049 TLS_ST_CR_HELLO_REQ,
1050 TLS_ST_SW_KEY_UPDATE,
1051 TLS_ST_CW_KEY_UPDATE,
1052 TLS_ST_SR_KEY_UPDATE,
1053 TLS_ST_CR_KEY_UPDATE,
1054 TLS_ST_EARLY_DATA,
1055 TLS_ST_PENDING_EARLY_DATA_END,
1056 TLS_ST_CW_END_OF_EARLY_DATA,
1057 TLS_ST_SR_END_OF_EARLY_DATA
1058 } OSSL_HANDSHAKE_STATE;
1059
1060 /*
1061 * Most of the following state values are no longer used and are defined to be
1062 * the closest equivalent value in the current state machine code. Not all
1063 * defines have an equivalent and are set to a dummy value (-1). SSL_ST_CONNECT
1064 * and SSL_ST_ACCEPT are still in use in the definition of SSL_CB_ACCEPT_LOOP,
1065 * SSL_CB_ACCEPT_EXIT, SSL_CB_CONNECT_LOOP and SSL_CB_CONNECT_EXIT.
1066 */
1067
1068 # define SSL_ST_CONNECT 0x1000
1069 # define SSL_ST_ACCEPT 0x2000
1070
1071 # define SSL_ST_MASK 0x0FFF
1072
1073 # define SSL_CB_LOOP 0x01
1074 # define SSL_CB_EXIT 0x02
1075 # define SSL_CB_READ 0x04
1076 # define SSL_CB_WRITE 0x08
1077 # define SSL_CB_ALERT 0x4000/* used in callback */
1078 # define SSL_CB_READ_ALERT (SSL_CB_ALERT|SSL_CB_READ)
1079 # define SSL_CB_WRITE_ALERT (SSL_CB_ALERT|SSL_CB_WRITE)
1080 # define SSL_CB_ACCEPT_LOOP (SSL_ST_ACCEPT|SSL_CB_LOOP)
1081 # define SSL_CB_ACCEPT_EXIT (SSL_ST_ACCEPT|SSL_CB_EXIT)
1082 # define SSL_CB_CONNECT_LOOP (SSL_ST_CONNECT|SSL_CB_LOOP)
1083 # define SSL_CB_CONNECT_EXIT (SSL_ST_CONNECT|SSL_CB_EXIT)
1084 # define SSL_CB_HANDSHAKE_START 0x10
1085 # define SSL_CB_HANDSHAKE_DONE 0x20
1086
1087 /* Is the SSL_connection established? */
1088 # define SSL_in_connect_init(a) (SSL_in_init(a) && !SSL_is_server(a))
1089 # define SSL_in_accept_init(a) (SSL_in_init(a) && SSL_is_server(a))
1090 int SSL_in_init(const SSL *s);
1091 int SSL_in_before(const SSL *s);
1092 int SSL_is_init_finished(const SSL *s);
1093
1094 /*
1095 * The following 3 states are kept in ssl->rlayer.rstate when reads fail, you
1096 * should not need these
1097 */
1098 # define SSL_ST_READ_HEADER 0xF0
1099 # define SSL_ST_READ_BODY 0xF1
1100 # define SSL_ST_READ_DONE 0xF2
1101
1102 /*-
1103 * Obtain latest Finished message
1104 * -- that we sent (SSL_get_finished)
1105 * -- that we expected from peer (SSL_get_peer_finished).
1106 * Returns length (0 == no Finished so far), copies up to 'count' bytes.
1107 */
1108 size_t SSL_get_finished(const SSL *s, void *buf, size_t count);
1109 size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count);
1110
1111 /*
1112 * use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 3 options are
1113 * 'ored' with SSL_VERIFY_PEER if they are desired
1114 */
1115 # define SSL_VERIFY_NONE 0x00
1116 # define SSL_VERIFY_PEER 0x01
1117 # define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02
1118 # define SSL_VERIFY_CLIENT_ONCE 0x04
1119 # define SSL_VERIFY_POST_HANDSHAKE 0x08
1120
1121 # if !OPENSSL_API_1_1_0
1122 # define OpenSSL_add_ssl_algorithms() SSL_library_init()
1123 # define SSLeay_add_ssl_algorithms() SSL_library_init()
1124 # endif
1125
1126 /* More backward compatibility */
1127 # define SSL_get_cipher(s) \
1128 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1129 # define SSL_get_cipher_bits(s,np) \
1130 SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
1131 # define SSL_get_cipher_version(s) \
1132 SSL_CIPHER_get_version(SSL_get_current_cipher(s))
1133 # define SSL_get_cipher_name(s) \
1134 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1135 # define SSL_get_time(a) SSL_SESSION_get_time(a)
1136 # define SSL_set_time(a,b) SSL_SESSION_set_time((a),(b))
1137 # define SSL_get_timeout(a) SSL_SESSION_get_timeout(a)
1138 # define SSL_set_timeout(a,b) SSL_SESSION_set_timeout((a),(b))
1139
1140 # define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
1141 # define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
1142
1143 DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION)
1144 # define SSL_AD_REASON_OFFSET 1000/* offset to get SSL_R_... value
1145 * from SSL_AD_... */
1146 /* These alert types are for SSLv3 and TLSv1 */
1147 # define SSL_AD_CLOSE_NOTIFY SSL3_AD_CLOSE_NOTIFY
1148 /* fatal */
1149 # define SSL_AD_UNEXPECTED_MESSAGE SSL3_AD_UNEXPECTED_MESSAGE
1150 /* fatal */
1151 # define SSL_AD_BAD_RECORD_MAC SSL3_AD_BAD_RECORD_MAC
1152 # define SSL_AD_DECRYPTION_FAILED TLS1_AD_DECRYPTION_FAILED
1153 # define SSL_AD_RECORD_OVERFLOW TLS1_AD_RECORD_OVERFLOW
1154 /* fatal */
1155 # define SSL_AD_DECOMPRESSION_FAILURE SSL3_AD_DECOMPRESSION_FAILURE
1156 /* fatal */
1157 # define SSL_AD_HANDSHAKE_FAILURE SSL3_AD_HANDSHAKE_FAILURE
1158 /* Not for TLS */
1159 # define SSL_AD_NO_CERTIFICATE SSL3_AD_NO_CERTIFICATE
1160 # define SSL_AD_BAD_CERTIFICATE SSL3_AD_BAD_CERTIFICATE
1161 # define SSL_AD_UNSUPPORTED_CERTIFICATE SSL3_AD_UNSUPPORTED_CERTIFICATE
1162 # define SSL_AD_CERTIFICATE_REVOKED SSL3_AD_CERTIFICATE_REVOKED
1163 # define SSL_AD_CERTIFICATE_EXPIRED SSL3_AD_CERTIFICATE_EXPIRED
1164 # define SSL_AD_CERTIFICATE_UNKNOWN SSL3_AD_CERTIFICATE_UNKNOWN
1165 /* fatal */
1166 # define SSL_AD_ILLEGAL_PARAMETER SSL3_AD_ILLEGAL_PARAMETER
1167 /* fatal */
1168 # define SSL_AD_UNKNOWN_CA TLS1_AD_UNKNOWN_CA
1169 /* fatal */
1170 # define SSL_AD_ACCESS_DENIED TLS1_AD_ACCESS_DENIED
1171 /* fatal */
1172 # define SSL_AD_DECODE_ERROR TLS1_AD_DECODE_ERROR
1173 # define SSL_AD_DECRYPT_ERROR TLS1_AD_DECRYPT_ERROR
1174 /* fatal */
1175 # define SSL_AD_EXPORT_RESTRICTION TLS1_AD_EXPORT_RESTRICTION
1176 /* fatal */
1177 # define SSL_AD_PROTOCOL_VERSION TLS1_AD_PROTOCOL_VERSION
1178 /* fatal */
1179 # define SSL_AD_INSUFFICIENT_SECURITY TLS1_AD_INSUFFICIENT_SECURITY
1180 /* fatal */
1181 # define SSL_AD_INTERNAL_ERROR TLS1_AD_INTERNAL_ERROR
1182 # define SSL_AD_USER_CANCELLED TLS1_AD_USER_CANCELLED
1183 # define SSL_AD_NO_RENEGOTIATION TLS1_AD_NO_RENEGOTIATION
1184 # define SSL_AD_MISSING_EXTENSION TLS13_AD_MISSING_EXTENSION
1185 # define SSL_AD_CERTIFICATE_REQUIRED TLS13_AD_CERTIFICATE_REQUIRED
1186 # define SSL_AD_UNSUPPORTED_EXTENSION TLS1_AD_UNSUPPORTED_EXTENSION
1187 # define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE
1188 # define SSL_AD_UNRECOGNIZED_NAME TLS1_AD_UNRECOGNIZED_NAME
1189 # define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
1190 # define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
1191 /* fatal */
1192 # define SSL_AD_UNKNOWN_PSK_IDENTITY TLS1_AD_UNKNOWN_PSK_IDENTITY
1193 /* fatal */
1194 # define SSL_AD_INAPPROPRIATE_FALLBACK TLS1_AD_INAPPROPRIATE_FALLBACK
1195 # define SSL_AD_NO_APPLICATION_PROTOCOL TLS1_AD_NO_APPLICATION_PROTOCOL
1196 # define SSL_ERROR_NONE 0
1197 # define SSL_ERROR_SSL 1
1198 # define SSL_ERROR_WANT_READ 2
1199 # define SSL_ERROR_WANT_WRITE 3
1200 # define SSL_ERROR_WANT_X509_LOOKUP 4
1201 # define SSL_ERROR_SYSCALL 5/* look at error stack/return
1202 * value/errno */
1203 # define SSL_ERROR_ZERO_RETURN 6
1204 # define SSL_ERROR_WANT_CONNECT 7
1205 # define SSL_ERROR_WANT_ACCEPT 8
1206 # define SSL_ERROR_WANT_ASYNC 9
1207 # define SSL_ERROR_WANT_ASYNC_JOB 10
1208 # define SSL_ERROR_WANT_CLIENT_HELLO_CB 11
1209 # define SSL_CTRL_SET_TMP_DH 3
1210 # define SSL_CTRL_SET_TMP_ECDH 4
1211 # define SSL_CTRL_SET_TMP_DH_CB 6
1212 # define SSL_CTRL_GET_CLIENT_CERT_REQUEST 9
1213 # define SSL_CTRL_GET_NUM_RENEGOTIATIONS 10
1214 # define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS 11
1215 # define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS 12
1216 # define SSL_CTRL_GET_FLAGS 13
1217 # define SSL_CTRL_EXTRA_CHAIN_CERT 14
1218 # define SSL_CTRL_SET_MSG_CALLBACK 15
1219 # define SSL_CTRL_SET_MSG_CALLBACK_ARG 16
1220 /* only applies to datagram connections */
1221 # define SSL_CTRL_SET_MTU 17
1222 /* Stats */
1223 # define SSL_CTRL_SESS_NUMBER 20
1224 # define SSL_CTRL_SESS_CONNECT 21
1225 # define SSL_CTRL_SESS_CONNECT_GOOD 22
1226 # define SSL_CTRL_SESS_CONNECT_RENEGOTIATE 23
1227 # define SSL_CTRL_SESS_ACCEPT 24
1228 # define SSL_CTRL_SESS_ACCEPT_GOOD 25
1229 # define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE 26
1230 # define SSL_CTRL_SESS_HIT 27
1231 # define SSL_CTRL_SESS_CB_HIT 28
1232 # define SSL_CTRL_SESS_MISSES 29
1233 # define SSL_CTRL_SESS_TIMEOUTS 30
1234 # define SSL_CTRL_SESS_CACHE_FULL 31
1235 # define SSL_CTRL_MODE 33
1236 # define SSL_CTRL_GET_READ_AHEAD 40
1237 # define SSL_CTRL_SET_READ_AHEAD 41
1238 # define SSL_CTRL_SET_SESS_CACHE_SIZE 42
1239 # define SSL_CTRL_GET_SESS_CACHE_SIZE 43
1240 # define SSL_CTRL_SET_SESS_CACHE_MODE 44
1241 # define SSL_CTRL_GET_SESS_CACHE_MODE 45
1242 # define SSL_CTRL_GET_MAX_CERT_LIST 50
1243 # define SSL_CTRL_SET_MAX_CERT_LIST 51
1244 # define SSL_CTRL_SET_MAX_SEND_FRAGMENT 52
1245 /* see tls1.h for macros based on these */
1246 # define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB 53
1247 # define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG 54
1248 # define SSL_CTRL_SET_TLSEXT_HOSTNAME 55
1249 # define SSL_CTRL_SET_TLSEXT_DEBUG_CB 56
1250 # define SSL_CTRL_SET_TLSEXT_DEBUG_ARG 57
1251 # define SSL_CTRL_GET_TLSEXT_TICKET_KEYS 58
1252 # define SSL_CTRL_SET_TLSEXT_TICKET_KEYS 59
1253 /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT 60 */
1254 /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB 61 */
1255 /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB_ARG 62 */
1256 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB 63
1257 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG 64
1258 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE 65
1259 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS 66
1260 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS 67
1261 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS 68
1262 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS 69
1263 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP 70
1264 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP 71
1265 # define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB 72
1266 # define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB 75
1267 # define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB 76
1268 # define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB 77
1269 # define SSL_CTRL_SET_SRP_ARG 78
1270 # define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME 79
1271 # define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH 80
1272 # define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD 81
1273 # define DTLS_CTRL_GET_TIMEOUT 73
1274 # define DTLS_CTRL_HANDLE_TIMEOUT 74
1275 # define SSL_CTRL_GET_RI_SUPPORT 76
1276 # define SSL_CTRL_CLEAR_MODE 78
1277 # define SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB 79
1278 # define SSL_CTRL_GET_EXTRA_CHAIN_CERTS 82
1279 # define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS 83
1280 # define SSL_CTRL_CHAIN 88
1281 # define SSL_CTRL_CHAIN_CERT 89
1282 # define SSL_CTRL_GET_GROUPS 90
1283 # define SSL_CTRL_SET_GROUPS 91
1284 # define SSL_CTRL_SET_GROUPS_LIST 92
1285 # define SSL_CTRL_GET_SHARED_GROUP 93
1286 # define SSL_CTRL_SET_SIGALGS 97
1287 # define SSL_CTRL_SET_SIGALGS_LIST 98
1288 # define SSL_CTRL_CERT_FLAGS 99
1289 # define SSL_CTRL_CLEAR_CERT_FLAGS 100
1290 # define SSL_CTRL_SET_CLIENT_SIGALGS 101
1291 # define SSL_CTRL_SET_CLIENT_SIGALGS_LIST 102
1292 # define SSL_CTRL_GET_CLIENT_CERT_TYPES 103
1293 # define SSL_CTRL_SET_CLIENT_CERT_TYPES 104
1294 # define SSL_CTRL_BUILD_CERT_CHAIN 105
1295 # define SSL_CTRL_SET_VERIFY_CERT_STORE 106
1296 # define SSL_CTRL_SET_CHAIN_CERT_STORE 107
1297 # define SSL_CTRL_GET_PEER_SIGNATURE_NID 108
1298 # define SSL_CTRL_GET_PEER_TMP_KEY 109
1299 # define SSL_CTRL_GET_RAW_CIPHERLIST 110
1300 # define SSL_CTRL_GET_EC_POINT_FORMATS 111
1301 # define SSL_CTRL_GET_CHAIN_CERTS 115
1302 # define SSL_CTRL_SELECT_CURRENT_CERT 116
1303 # define SSL_CTRL_SET_CURRENT_CERT 117
1304 # define SSL_CTRL_SET_DH_AUTO 118
1305 # define DTLS_CTRL_SET_LINK_MTU 120
1306 # define DTLS_CTRL_GET_LINK_MIN_MTU 121
1307 # define SSL_CTRL_GET_EXTMS_SUPPORT 122
1308 # define SSL_CTRL_SET_MIN_PROTO_VERSION 123
1309 # define SSL_CTRL_SET_MAX_PROTO_VERSION 124
1310 # define SSL_CTRL_SET_SPLIT_SEND_FRAGMENT 125
1311 # define SSL_CTRL_SET_MAX_PIPELINES 126
1312 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE 127
1313 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB 128
1314 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG 129
1315 # define SSL_CTRL_GET_MIN_PROTO_VERSION 130
1316 # define SSL_CTRL_GET_MAX_PROTO_VERSION 131
1317 # define SSL_CTRL_GET_SIGNATURE_NID 132
1318 # define SSL_CTRL_GET_TMP_KEY 133
1319 # define SSL_CERT_SET_FIRST 1
1320 # define SSL_CERT_SET_NEXT 2
1321 # define SSL_CERT_SET_SERVER 3
1322 # define DTLSv1_get_timeout(ssl, arg) \
1323 SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)(arg))
1324 # define DTLSv1_handle_timeout(ssl) \
1325 SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
1326 # define SSL_num_renegotiations(ssl) \
1327 SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1328 # define SSL_clear_num_renegotiations(ssl) \
1329 SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1330 # define SSL_total_renegotiations(ssl) \
1331 SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1332 # define SSL_CTX_set_tmp_dh(ctx,dh) \
1333 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1334 # define SSL_CTX_set_dh_auto(ctx, onoff) \
1335 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1336 # define SSL_set_dh_auto(s, onoff) \
1337 SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1338 # define SSL_set_tmp_dh(ssl,dh) \
1339 SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1340 # if !OPENSSL_API_3
1341 # define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1342 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1343 # define SSL_set_tmp_ecdh(ssl,ecdh) \
1344 SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1345 # endif
1346 # define SSL_CTX_add_extra_chain_cert(ctx,x509) \
1347 SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)(x509))
1348 # define SSL_CTX_get_extra_chain_certs(ctx,px509) \
1349 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
1350 # define SSL_CTX_get_extra_chain_certs_only(ctx,px509) \
1351 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,1,px509)
1352 # define SSL_CTX_clear_extra_chain_certs(ctx) \
1353 SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
1354 # define SSL_CTX_set0_chain(ctx,sk) \
1355 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)(sk))
1356 # define SSL_CTX_set1_chain(ctx,sk) \
1357 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)(sk))
1358 # define SSL_CTX_add0_chain_cert(ctx,x509) \
1359 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1360 # define SSL_CTX_add1_chain_cert(ctx,x509) \
1361 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1362 # define SSL_CTX_get0_chain_certs(ctx,px509) \
1363 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1364 # define SSL_CTX_clear_chain_certs(ctx) \
1365 SSL_CTX_set0_chain(ctx,NULL)
1366 # define SSL_CTX_build_cert_chain(ctx, flags) \
1367 SSL_CTX_ctrl(ctx,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1368 # define SSL_CTX_select_current_cert(ctx,x509) \
1369 SSL_CTX_ctrl(ctx,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1370 # define SSL_CTX_set_current_cert(ctx, op) \
1371 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1372 # define SSL_CTX_set0_verify_cert_store(ctx,st) \
1373 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1374 # define SSL_CTX_set1_verify_cert_store(ctx,st) \
1375 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1376 # define SSL_CTX_set0_chain_cert_store(ctx,st) \
1377 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1378 # define SSL_CTX_set1_chain_cert_store(ctx,st) \
1379 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1380 # define SSL_set0_chain(s,sk) \
1381 SSL_ctrl(s,SSL_CTRL_CHAIN,0,(char *)(sk))
1382 # define SSL_set1_chain(s,sk) \
1383 SSL_ctrl(s,SSL_CTRL_CHAIN,1,(char *)(sk))
1384 # define SSL_add0_chain_cert(s,x509) \
1385 SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1386 # define SSL_add1_chain_cert(s,x509) \
1387 SSL_ctrl(s,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1388 # define SSL_get0_chain_certs(s,px509) \
1389 SSL_ctrl(s,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1390 # define SSL_clear_chain_certs(s) \
1391 SSL_set0_chain(s,NULL)
1392 # define SSL_build_cert_chain(s, flags) \
1393 SSL_ctrl(s,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1394 # define SSL_select_current_cert(s,x509) \
1395 SSL_ctrl(s,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1396 # define SSL_set_current_cert(s,op) \
1397 SSL_ctrl(s,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1398 # define SSL_set0_verify_cert_store(s,st) \
1399 SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1400 # define SSL_set1_verify_cert_store(s,st) \
1401 SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1402 # define SSL_set0_chain_cert_store(s,st) \
1403 SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1404 # define SSL_set1_chain_cert_store(s,st) \
1405 SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1406 # define SSL_get1_groups(s, glist) \
1407 SSL_ctrl(s,SSL_CTRL_GET_GROUPS,0,(int*)(glist))
1408 # define SSL_CTX_set1_groups(ctx, glist, glistlen) \
1409 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS,glistlen,(char *)(glist))
1410 # define SSL_CTX_set1_groups_list(ctx, s) \
1411 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(s))
1412 # define SSL_set1_groups(s, glist, glistlen) \
1413 SSL_ctrl(s,SSL_CTRL_SET_GROUPS,glistlen,(char *)(glist))
1414 # define SSL_set1_groups_list(s, str) \
1415 SSL_ctrl(s,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(str))
1416 # define SSL_get_shared_group(s, n) \
1417 SSL_ctrl(s,SSL_CTRL_GET_SHARED_GROUP,n,NULL)
1418 # define SSL_CTX_set1_sigalgs(ctx, slist, slistlen) \
1419 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1420 # define SSL_CTX_set1_sigalgs_list(ctx, s) \
1421 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(s))
1422 # define SSL_set1_sigalgs(s, slist, slistlen) \
1423 SSL_ctrl(s,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1424 # define SSL_set1_sigalgs_list(s, str) \
1425 SSL_ctrl(s,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(str))
1426 # define SSL_CTX_set1_client_sigalgs(ctx, slist, slistlen) \
1427 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1428 # define SSL_CTX_set1_client_sigalgs_list(ctx, s) \
1429 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(s))
1430 # define SSL_set1_client_sigalgs(s, slist, slistlen) \
1431 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1432 # define SSL_set1_client_sigalgs_list(s, str) \
1433 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(str))
1434 # define SSL_get0_certificate_types(s, clist) \
1435 SSL_ctrl(s, SSL_CTRL_GET_CLIENT_CERT_TYPES, 0, (char *)(clist))
1436 # define SSL_CTX_set1_client_certificate_types(ctx, clist, clistlen) \
1437 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen, \
1438 (char *)(clist))
1439 # define SSL_set1_client_certificate_types(s, clist, clistlen) \
1440 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen,(char *)(clist))
1441 # define SSL_get_signature_nid(s, pn) \
1442 SSL_ctrl(s,SSL_CTRL_GET_SIGNATURE_NID,0,pn)
1443 # define SSL_get_peer_signature_nid(s, pn) \
1444 SSL_ctrl(s,SSL_CTRL_GET_PEER_SIGNATURE_NID,0,pn)
1445 # define SSL_get_peer_tmp_key(s, pk) \
1446 SSL_ctrl(s,SSL_CTRL_GET_PEER_TMP_KEY,0,pk)
1447 # define SSL_get_tmp_key(s, pk) \
1448 SSL_ctrl(s,SSL_CTRL_GET_TMP_KEY,0,pk)
1449 # define SSL_get0_raw_cipherlist(s, plst) \
1450 SSL_ctrl(s,SSL_CTRL_GET_RAW_CIPHERLIST,0,plst)
1451 # define SSL_get0_ec_point_formats(s, plst) \
1452 SSL_ctrl(s,SSL_CTRL_GET_EC_POINT_FORMATS,0,plst)
1453 # define SSL_CTX_set_min_proto_version(ctx, version) \
1454 SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1455 # define SSL_CTX_set_max_proto_version(ctx, version) \
1456 SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1457 # define SSL_CTX_get_min_proto_version(ctx) \
1458 SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1459 # define SSL_CTX_get_max_proto_version(ctx) \
1460 SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1461 # define SSL_set_min_proto_version(s, version) \
1462 SSL_ctrl(s, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1463 # define SSL_set_max_proto_version(s, version) \
1464 SSL_ctrl(s, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1465 # define SSL_get_min_proto_version(s) \
1466 SSL_ctrl(s, SSL_CTRL_GET_MIN_PROTO_VERSION, 0, NULL)
1467 # define SSL_get_max_proto_version(s) \
1468 SSL_ctrl(s, SSL_CTRL_GET_MAX_PROTO_VERSION, 0, NULL)
1469
1470 /* Backwards compatibility, original 1.1.0 names */
1471 # define SSL_CTRL_GET_SERVER_TMP_KEY \
1472 SSL_CTRL_GET_PEER_TMP_KEY
1473 # define SSL_get_server_tmp_key(s, pk) \
1474 SSL_get_peer_tmp_key(s, pk)
1475
1476 /*
1477 * The following symbol names are old and obsolete. They are kept
1478 * for compatibility reasons only and should not be used anymore.
1479 */
1480 # define SSL_CTRL_GET_CURVES SSL_CTRL_GET_GROUPS
1481 # define SSL_CTRL_SET_CURVES SSL_CTRL_SET_GROUPS
1482 # define SSL_CTRL_SET_CURVES_LIST SSL_CTRL_SET_GROUPS_LIST
1483 # define SSL_CTRL_GET_SHARED_CURVE SSL_CTRL_GET_SHARED_GROUP
1484
1485 # define SSL_get1_curves SSL_get1_groups
1486 # define SSL_CTX_set1_curves SSL_CTX_set1_groups
1487 # define SSL_CTX_set1_curves_list SSL_CTX_set1_groups_list
1488 # define SSL_set1_curves SSL_set1_groups
1489 # define SSL_set1_curves_list SSL_set1_groups_list
1490 # define SSL_get_shared_curve SSL_get_shared_group
1491
1492
1493 # if !OPENSSL_API_1_1_0
1494 /* Provide some compatibility macros for removed functionality. */
1495 # define SSL_CTX_need_tmp_RSA(ctx) 0
1496 # define SSL_CTX_set_tmp_rsa(ctx,rsa) 1
1497 # define SSL_need_tmp_RSA(ssl) 0
1498 # define SSL_set_tmp_rsa(ssl,rsa) 1
1499 # define SSL_CTX_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1500 # define SSL_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1501 /*
1502 * We "pretend" to call the callback to avoid warnings about unused static
1503 * functions.
1504 */
1505 # define SSL_CTX_set_tmp_rsa_callback(ctx, cb) while(0) (cb)(NULL, 0, 0)
1506 # define SSL_set_tmp_rsa_callback(ssl, cb) while(0) (cb)(NULL, 0, 0)
1507 # endif
1508 __owur const BIO_METHOD *BIO_f_ssl(void);
1509 __owur BIO *BIO_new_ssl(SSL_CTX *ctx, int client);
1510 __owur BIO *BIO_new_ssl_connect(SSL_CTX *ctx);
1511 __owur BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx);
1512 __owur int BIO_ssl_copy_session_id(BIO *to, BIO *from);
1513 void BIO_ssl_shutdown(BIO *ssl_bio);
1514
1515 __owur int SSL_CTX_set_cipher_list(SSL_CTX *, const char *str);
1516 __owur SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth);
1517 int SSL_CTX_up_ref(SSL_CTX *ctx);
1518 void SSL_CTX_free(SSL_CTX *);
1519 __owur long SSL_CTX_set_timeout(SSL_CTX *ctx, long t);
1520 __owur long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1521 __owur X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *);
1522 void SSL_CTX_set_cert_store(SSL_CTX *, X509_STORE *);
1523 void SSL_CTX_set1_cert_store(SSL_CTX *, X509_STORE *);
1524 __owur int SSL_want(const SSL *s);
1525 __owur int SSL_clear(SSL *s);
1526
1527 void SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
1528
1529 __owur const SSL_CIPHER *SSL_get_current_cipher(const SSL *s);
1530 __owur const SSL_CIPHER *SSL_get_pending_cipher(const SSL *s);
1531 __owur int SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits);
1532 __owur const char *SSL_CIPHER_get_version(const SSL_CIPHER *c);
1533 __owur const char *SSL_CIPHER_get_name(const SSL_CIPHER *c);
1534 __owur const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c);
1535 __owur const char *OPENSSL_cipher_name(const char *rfc_name);
1536 __owur uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c);
1537 __owur uint16_t SSL_CIPHER_get_protocol_id(const SSL_CIPHER *c);
1538 __owur int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c);
1539 __owur int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c);
1540 __owur const EVP_MD *SSL_CIPHER_get_handshake_digest(const SSL_CIPHER *c);
1541 __owur int SSL_CIPHER_is_aead(const SSL_CIPHER *c);
1542
1543 __owur int SSL_get_fd(const SSL *s);
1544 __owur int SSL_get_rfd(const SSL *s);
1545 __owur int SSL_get_wfd(const SSL *s);
1546 __owur const char *SSL_get_cipher_list(const SSL *s, int n);
1547 __owur char *SSL_get_shared_ciphers(const SSL *s, char *buf, int size);
1548 __owur int SSL_get_read_ahead(const SSL *s);
1549 __owur int SSL_pending(const SSL *s);
1550 __owur int SSL_has_pending(const SSL *s);
1551 # ifndef OPENSSL_NO_SOCK
1552 __owur int SSL_set_fd(SSL *s, int fd);
1553 __owur int SSL_set_rfd(SSL *s, int fd);
1554 __owur int SSL_set_wfd(SSL *s, int fd);
1555 # endif
1556 void SSL_set0_rbio(SSL *s, BIO *rbio);
1557 void SSL_set0_wbio(SSL *s, BIO *wbio);
1558 void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio);
1559 __owur BIO *SSL_get_rbio(const SSL *s);
1560 __owur BIO *SSL_get_wbio(const SSL *s);
1561 __owur int SSL_set_cipher_list(SSL *s, const char *str);
1562 __owur int SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str);
1563 __owur int SSL_set_ciphersuites(SSL *s, const char *str);
1564 void SSL_set_read_ahead(SSL *s, int yes);
1565 __owur int SSL_get_verify_mode(const SSL *s);
1566 __owur int SSL_get_verify_depth(const SSL *s);
1567 __owur SSL_verify_cb SSL_get_verify_callback(const SSL *s);
1568 void SSL_set_verify(SSL *s, int mode, SSL_verify_cb callback);
1569 void SSL_set_verify_depth(SSL *s, int depth);
1570 void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg);
1571 # ifndef OPENSSL_NO_RSA
1572 __owur int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
1573 __owur int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, const unsigned char *d,
1574 long len);
1575 # endif
1576 __owur int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
1577 __owur int SSL_use_PrivateKey_ASN1(int pk, SSL *ssl, const unsigned char *d,
1578 long len);
1579 __owur int SSL_use_certificate(SSL *ssl, X509 *x);
1580 __owur int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len);
1581 __owur int SSL_use_cert_and_key(SSL *ssl, X509 *x509, EVP_PKEY *privatekey,
1582 STACK_OF(X509) *chain, int override);
1583
1584
1585 /* serverinfo file format versions */
1586 # define SSL_SERVERINFOV1 1
1587 # define SSL_SERVERINFOV2 2
1588
1589 /* Set serverinfo data for the current active cert. */
1590 __owur int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo,
1591 size_t serverinfo_length);
1592 __owur int SSL_CTX_use_serverinfo_ex(SSL_CTX *ctx, unsigned int version,
1593 const unsigned char *serverinfo,
1594 size_t serverinfo_length);
1595 __owur int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file);
1596
1597 #ifndef OPENSSL_NO_RSA
1598 __owur int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
1599 #endif
1600
1601 __owur int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
1602 __owur int SSL_use_certificate_file(SSL *ssl, const char *file, int type);
1603
1604 #ifndef OPENSSL_NO_RSA
1605 __owur int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file,
1606 int type);
1607 #endif
1608 __owur int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file,
1609 int type);
1610 __owur int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file,
1611 int type);
1612 /* PEM type */
1613 __owur int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file);
1614 __owur int SSL_use_certificate_chain_file(SSL *ssl, const char *file);
1615 __owur STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
1616 __owur int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1617 const char *file);
1618 int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1619 const char *dir);
1620
1621 # if !OPENSSL_API_1_1_0
1622 # define SSL_load_error_strings() \
1623 OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS \
1624 | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL)
1625 # endif
1626
1627 __owur const char *SSL_state_string(const SSL *s);
1628 __owur const char *SSL_rstate_string(const SSL *s);
1629 __owur const char *SSL_state_string_long(const SSL *s);
1630 __owur const char *SSL_rstate_string_long(const SSL *s);
1631 __owur long SSL_SESSION_get_time(const SSL_SESSION *s);
1632 __owur long SSL_SESSION_set_time(SSL_SESSION *s, long t);
1633 __owur long SSL_SESSION_get_timeout(const SSL_SESSION *s);
1634 __owur long SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
1635 __owur int SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
1636 __owur int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version);
1637
1638 __owur const char *SSL_SESSION_get0_hostname(const SSL_SESSION *s);
1639 __owur int SSL_SESSION_set1_hostname(SSL_SESSION *s, const char *hostname);
1640 void SSL_SESSION_get0_alpn_selected(const SSL_SESSION *s,
1641 const unsigned char **alpn,
1642 size_t *len);
1643 __owur int SSL_SESSION_set1_alpn_selected(SSL_SESSION *s,
1644 const unsigned char *alpn,
1645 size_t len);
1646 __owur const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s);
1647 __owur int SSL_SESSION_set_cipher(SSL_SESSION *s, const SSL_CIPHER *cipher);
1648 __owur int SSL_SESSION_has_ticket(const SSL_SESSION *s);
1649 __owur unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s);
1650 void SSL_SESSION_get0_ticket(const SSL_SESSION *s, const unsigned char **tick,
1651 size_t *len);
1652 __owur uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *s);
1653 __owur int SSL_SESSION_set_max_early_data(SSL_SESSION *s,
1654 uint32_t max_early_data);
1655 __owur int SSL_copy_session_id(SSL *to, const SSL *from);
1656 __owur X509 *SSL_SESSION_get0_peer(SSL_SESSION *s);
1657 __owur int SSL_SESSION_set1_id_context(SSL_SESSION *s,
1658 const unsigned char *sid_ctx,
1659 unsigned int sid_ctx_len);
1660 __owur int SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid,
1661 unsigned int sid_len);
1662 __owur int SSL_SESSION_is_resumable(const SSL_SESSION *s);
1663
1664 __owur SSL_SESSION *SSL_SESSION_new(void);
1665 __owur SSL_SESSION *SSL_SESSION_dup(const SSL_SESSION *src);
1666 const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s,
1667 unsigned int *len);
1668 const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *s,
1669 unsigned int *len);
1670 __owur unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s);
1671 # ifndef OPENSSL_NO_STDIO
1672 int SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses);
1673 # endif
1674 int SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses);
1675 int SSL_SESSION_print_keylog(BIO *bp, const SSL_SESSION *x);
1676 int SSL_SESSION_up_ref(SSL_SESSION *ses);
1677 void SSL_SESSION_free(SSL_SESSION *ses);
1678 __owur int i2d_SSL_SESSION(const SSL_SESSION *in, unsigned char **pp);
1679 __owur int SSL_set_session(SSL *to, SSL_SESSION *session);
1680 int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *session);
1681 int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *session);
1682 __owur int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb);
1683 __owur int SSL_set_generate_session_id(SSL *s, GEN_SESSION_CB cb);
1684 __owur int SSL_has_matching_session_id(const SSL *s,
1685 const unsigned char *id,
1686 unsigned int id_len);
1687 SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
1688 long length);
1689
1690 # ifdef HEADER_X509_H
1691 __owur X509 *SSL_get_peer_certificate(const SSL *s);
1692 # endif
1693
1694 __owur STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s);
1695
1696 __owur int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1697 __owur int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1698 __owur SSL_verify_cb SSL_CTX_get_verify_callback(const SSL_CTX *ctx);
1699 void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, SSL_verify_cb callback);
1700 void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth);
1701 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,
1702 int (*cb) (X509_STORE_CTX *, void *),
1703 void *arg);
1704 void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg),
1705 void *arg);
1706 # ifndef OPENSSL_NO_RSA
1707 __owur int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
1708 __owur int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d,
1709 long len);
1710 # endif
1711 __owur int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
1712 __owur int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx,
1713 const unsigned char *d, long len);
1714 __owur int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
1715 __owur int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len,
1716 const unsigned char *d);
1717 __owur int SSL_CTX_use_cert_and_key(SSL_CTX *ctx, X509 *x509, EVP_PKEY *privatekey,
1718 STACK_OF(X509) *chain, int override);
1719
1720 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb);
1721 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
1722 pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx);
1723 void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx);
1724 void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb);
1725 void SSL_set_default_passwd_cb_userdata(SSL *s, void *u);
1726 pem_password_cb *SSL_get_default_passwd_cb(SSL *s);
1727 void *SSL_get_default_passwd_cb_userdata(SSL *s);
1728
1729 __owur int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1730 __owur int SSL_check_private_key(const SSL *ctx);
1731
1732 __owur int SSL_CTX_set_session_id_context(SSL_CTX *ctx,
1733 const unsigned char *sid_ctx,
1734 unsigned int sid_ctx_len);
1735
1736 SSL *SSL_new(SSL_CTX *ctx);
1737 int SSL_up_ref(SSL *s);
1738 int SSL_is_dtls(const SSL *s);
1739 __owur int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx,
1740 unsigned int sid_ctx_len);
1741
1742 __owur int SSL_CTX_set_purpose(SSL_CTX *ctx, int purpose);
1743 __owur int SSL_set_purpose(SSL *ssl, int purpose);
1744 __owur int SSL_CTX_set_trust(SSL_CTX *ctx, int trust);
1745 __owur int SSL_set_trust(SSL *ssl, int trust);
1746
1747 __owur int SSL_set1_host(SSL *s, const char *hostname);
1748 __owur int SSL_add1_host(SSL *s, const char *hostname);
1749 __owur const char *SSL_get0_peername(SSL *s);
1750 void SSL_set_hostflags(SSL *s, unsigned int flags);
1751
1752 __owur int SSL_CTX_dane_enable(SSL_CTX *ctx);
1753 __owur int SSL_CTX_dane_mtype_set(SSL_CTX *ctx, const EVP_MD *md,
1754 uint8_t mtype, uint8_t ord);
1755 __owur int SSL_dane_enable(SSL *s, const char *basedomain);
1756 __owur int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector,
1757 uint8_t mtype, unsigned const char *data, size_t dlen);
1758 __owur int SSL_get0_dane_authority(SSL *s, X509 **mcert, EVP_PKEY **mspki);
1759 __owur int SSL_get0_dane_tlsa(SSL *s, uint8_t *usage, uint8_t *selector,
1760 uint8_t *mtype, unsigned const char **data,
1761 size_t *dlen);
1762 /*
1763 * Bridge opacity barrier between libcrypt and libssl, also needed to support
1764 * offline testing in test/danetest.c
1765 */
1766 SSL_DANE *SSL_get0_dane(SSL *ssl);
1767 /*
1768 * DANE flags
1769 */
1770 unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags);
1771 unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags);
1772 unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags);
1773 unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags);
1774
1775 __owur int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
1776 __owur int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
1777
1778 __owur X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx);
1779 __owur X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl);
1780
1781 # ifndef OPENSSL_NO_SRP
1782 int SSL_CTX_set_srp_username(SSL_CTX *ctx, char *name);
1783 int SSL_CTX_set_srp_password(SSL_CTX *ctx, char *password);
1784 int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength);
1785 int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx,
1786 char *(*cb) (SSL *, void *));
1787 int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx,
1788 int (*cb) (SSL *, void *));
1789 int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
1790 int (*cb) (SSL *, int *, void *));
1791 int SSL_CTX_set_srp_cb_arg(SSL_CTX *ctx, void *arg);
1792
1793 int SSL_set_srp_server_param(SSL *s, const BIGNUM *N, const BIGNUM *g,
1794 BIGNUM *sa, BIGNUM *v, char *info);
1795 int SSL_set_srp_server_param_pw(SSL *s, const char *user, const char *pass,
1796 const char *grp);
1797
1798 __owur BIGNUM *SSL_get_srp_g(SSL *s);
1799 __owur BIGNUM *SSL_get_srp_N(SSL *s);
1800
1801 __owur char *SSL_get_srp_username(SSL *s);
1802 __owur char *SSL_get_srp_userinfo(SSL *s);
1803 # endif
1804
1805 /*
1806 * ClientHello callback and helpers.
1807 */
1808
1809 # define SSL_CLIENT_HELLO_SUCCESS 1
1810 # define SSL_CLIENT_HELLO_ERROR 0
1811 # define SSL_CLIENT_HELLO_RETRY (-1)
1812
1813 typedef int (*SSL_client_hello_cb_fn) (SSL *s, int *al, void *arg);
1814 void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb,
1815 void *arg);
1816 int SSL_client_hello_isv2(SSL *s);
1817 unsigned int SSL_client_hello_get0_legacy_version(SSL *s);
1818 size_t SSL_client_hello_get0_random(SSL *s, const unsigned char **out);
1819 size_t SSL_client_hello_get0_session_id(SSL *s, const unsigned char **out);
1820 size_t SSL_client_hello_get0_ciphers(SSL *s, const unsigned char **out);
1821 size_t SSL_client_hello_get0_compression_methods(SSL *s,
1822 const unsigned char **out);
1823 int SSL_client_hello_get1_extensions_present(SSL *s, int **out, size_t *outlen);
1824 int SSL_client_hello_get0_ext(SSL *s, unsigned int type,
1825 const unsigned char **out, size_t *outlen);
1826
1827 void SSL_certs_clear(SSL *s);
1828 void SSL_free(SSL *ssl);
1829 # ifdef OSSL_ASYNC_FD
1830 /*
1831 * Windows application developer has to include windows.h to use these.
1832 */
1833 __owur int SSL_waiting_for_async(SSL *s);
1834 __owur int SSL_get_all_async_fds(SSL *s, OSSL_ASYNC_FD *fds, size_t *numfds);
1835 __owur int SSL_get_changed_async_fds(SSL *s, OSSL_ASYNC_FD *addfd,
1836 size_t *numaddfds, OSSL_ASYNC_FD *delfd,
1837 size_t *numdelfds);
1838 __owur int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback);
1839 __owur int SSL_CTX_set_async_callback_arg(SSL_CTX *ctx, void *arg);
1840 __owur int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback);
1841 __owur int SSL_set_async_callback_arg(SSL *s, void *arg);
1842 __owur int SSL_get_async_status(SSL *s, int *status);
1843
1844 # endif
1845 __owur int SSL_accept(SSL *ssl);
1846 __owur int SSL_stateless(SSL *s);
1847 __owur int SSL_connect(SSL *ssl);
1848 __owur int SSL_read(SSL *ssl, void *buf, int num);
1849 __owur int SSL_read_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes);
1850
1851 # define SSL_READ_EARLY_DATA_ERROR 0
1852 # define SSL_READ_EARLY_DATA_SUCCESS 1
1853 # define SSL_READ_EARLY_DATA_FINISH 2
1854
1855 __owur int SSL_read_early_data(SSL *s, void *buf, size_t num,
1856 size_t *readbytes);
1857 __owur int SSL_peek(SSL *ssl, void *buf, int num);
1858 __owur int SSL_peek_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes);
1859 __owur ossl_ssize_t SSL_sendfile(SSL *s, int fd, off_t offset, size_t size,
1860 int flags);
1861 __owur int SSL_write(SSL *ssl, const void *buf, int num);
1862 __owur int SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *written);
1863 __owur int SSL_write_early_data(SSL *s, const void *buf, size_t num,
1864 size_t *written);
1865 long SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg);
1866 long SSL_callback_ctrl(SSL *, int, void (*)(void));
1867 long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg);
1868 long SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)(void));
1869
1870 # define SSL_EARLY_DATA_NOT_SENT 0
1871 # define SSL_EARLY_DATA_REJECTED 1
1872 # define SSL_EARLY_DATA_ACCEPTED 2
1873
1874 __owur int SSL_get_early_data_status(const SSL *s);
1875
1876 __owur int SSL_get_error(const SSL *s, int ret_code);
1877 __owur const char *SSL_get_version(const SSL *s);
1878
1879 /* This sets the 'default' SSL version that SSL_new() will create */
1880 __owur int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth);
1881
1882 # ifndef OPENSSL_NO_SSL3_METHOD
1883 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_method(void)) /* SSLv3 */
1884 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_server_method(void))
1885 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_client_method(void))
1886 # endif
1887
1888 #define SSLv23_method TLS_method
1889 #define SSLv23_server_method TLS_server_method
1890 #define SSLv23_client_method TLS_client_method
1891
1892 /* Negotiate highest available SSL/TLS version */
1893 __owur const SSL_METHOD *TLS_method(void);
1894 __owur const SSL_METHOD *TLS_server_method(void);
1895 __owur const SSL_METHOD *TLS_client_method(void);
1896
1897 # ifndef OPENSSL_NO_TLS1_METHOD
1898 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_method(void)) /* TLSv1.0 */
1899 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_server_method(void))
1900 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_client_method(void))
1901 # endif
1902
1903 # ifndef OPENSSL_NO_TLS1_1_METHOD
1904 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_method(void)) /* TLSv1.1 */
1905 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_server_method(void))
1906 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_client_method(void))
1907 # endif
1908
1909 # ifndef OPENSSL_NO_TLS1_2_METHOD
1910 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_method(void)) /* TLSv1.2 */
1911 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_server_method(void))
1912 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_client_method(void))
1913 # endif
1914
1915 # ifndef OPENSSL_NO_DTLS1_METHOD
1916 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_method(void)) /* DTLSv1.0 */
1917 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_server_method(void))
1918 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_client_method(void))
1919 # endif
1920
1921 # ifndef OPENSSL_NO_DTLS1_2_METHOD
1922 /* DTLSv1.2 */
1923 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_method(void))
1924 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_server_method(void))
1925 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_client_method(void))
1926 # endif
1927
1928 __owur const SSL_METHOD *DTLS_method(void); /* DTLS 1.0 and 1.2 */
1929 __owur const SSL_METHOD *DTLS_server_method(void); /* DTLS 1.0 and 1.2 */
1930 __owur const SSL_METHOD *DTLS_client_method(void); /* DTLS 1.0 and 1.2 */
1931
1932 __owur size_t DTLS_get_data_mtu(const SSL *s);
1933
1934 __owur STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s);
1935 __owur STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx);
1936 __owur STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s);
1937 __owur STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s);
1938
1939 __owur int SSL_do_handshake(SSL *s);
1940 int SSL_key_update(SSL *s, int updatetype);
1941 int SSL_get_key_update_type(const SSL *s);
1942 int SSL_renegotiate(SSL *s);
1943 int SSL_renegotiate_abbreviated(SSL *s);
1944 __owur int SSL_renegotiate_pending(const SSL *s);
1945 int SSL_shutdown(SSL *s);
1946 __owur int SSL_verify_client_post_handshake(SSL *s);
1947 void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val);
1948 void SSL_set_post_handshake_auth(SSL *s, int val);
1949
1950 __owur const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx);
1951 __owur const SSL_METHOD *SSL_get_ssl_method(const SSL *s);
1952 __owur int SSL_set_ssl_method(SSL *s, const SSL_METHOD *method);
1953 __owur const char *SSL_alert_type_string_long(int value);
1954 __owur const char *SSL_alert_type_string(int value);
1955 __owur const char *SSL_alert_desc_string_long(int value);
1956 __owur const char *SSL_alert_desc_string(int value);
1957
1958 void SSL_set0_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
1959 void SSL_CTX_set0_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
1960 __owur const STACK_OF(X509_NAME) *SSL_get0_CA_list(const SSL *s);
1961 __owur const STACK_OF(X509_NAME) *SSL_CTX_get0_CA_list(const SSL_CTX *ctx);
1962 __owur int SSL_add1_to_CA_list(SSL *ssl, const X509 *x);
1963 __owur int SSL_CTX_add1_to_CA_list(SSL_CTX *ctx, const X509 *x);
1964 __owur const STACK_OF(X509_NAME) *SSL_get0_peer_CA_list(const SSL *s);
1965
1966 void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
1967 void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
1968 __owur STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
1969 __owur STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s);
1970 __owur int SSL_add_client_CA(SSL *ssl, X509 *x);
1971 __owur int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x);
1972
1973 void SSL_set_connect_state(SSL *s);
1974 void SSL_set_accept_state(SSL *s);
1975
1976 __owur long SSL_get_default_timeout(const SSL *s);
1977
1978 # if !OPENSSL_API_1_1_0
1979 # define SSL_library_init() OPENSSL_init_ssl(0, NULL)
1980 # endif
1981
1982 __owur char *SSL_CIPHER_description(const SSL_CIPHER *, char *buf, int size);
1983 __owur STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk);
1984
1985 __owur SSL *SSL_dup(SSL *ssl);
1986
1987 __owur X509 *SSL_get_certificate(const SSL *ssl);
1988 /*
1989 * EVP_PKEY
1990 */
1991 struct evp_pkey_st *SSL_get_privatekey(const SSL *ssl);
1992
1993 __owur X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx);
1994 __owur EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx);
1995
1996 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
1997 __owur int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
1998 void SSL_set_quiet_shutdown(SSL *ssl, int mode);
1999 __owur int SSL_get_quiet_shutdown(const SSL *ssl);
2000 void SSL_set_shutdown(SSL *ssl, int mode);
2001 __owur int SSL_get_shutdown(const SSL *ssl);
2002 __owur int SSL_version(const SSL *ssl);
2003 __owur int SSL_client_version(const SSL *s);
2004 __owur int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
2005 __owur int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx);
2006 __owur int SSL_CTX_set_default_verify_file(SSL_CTX *ctx);
2007 __owur int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
2008 const char *CApath);
2009 # define SSL_get0_session SSL_get_session/* just peek at pointer */
2010 __owur SSL_SESSION *SSL_get_session(const SSL *ssl);
2011 __owur SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */
2012 __owur SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl);
2013 SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx);
2014 void SSL_set_info_callback(SSL *ssl,
2015 void (*cb) (const SSL *ssl, int type, int val));
2016 void (*SSL_get_info_callback(const SSL *ssl)) (const SSL *ssl, int type,
2017 int val);
2018 __owur OSSL_HANDSHAKE_STATE SSL_get_state(const SSL *ssl);
2019
2020 void SSL_set_verify_result(SSL *ssl, long v);
2021 __owur long SSL_get_verify_result(const SSL *ssl);
2022 __owur STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s);
2023
2024 __owur size_t SSL_get_client_random(const SSL *ssl, unsigned char *out,
2025 size_t outlen);
2026 __owur size_t SSL_get_server_random(const SSL *ssl, unsigned char *out,
2027 size_t outlen);
2028 __owur size_t SSL_SESSION_get_master_key(const SSL_SESSION *sess,
2029 unsigned char *out, size_t outlen);
2030 __owur int SSL_SESSION_set1_master_key(SSL_SESSION *sess,
2031 const unsigned char *in, size_t len);
2032 uint8_t SSL_SESSION_get_max_fragment_length(const SSL_SESSION *sess);
2033
2034 #define SSL_get_ex_new_index(l, p, newf, dupf, freef) \
2035 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, l, p, newf, dupf, freef)
2036 __owur int SSL_set_ex_data(SSL *ssl, int idx, void *data);
2037 void *SSL_get_ex_data(const SSL *ssl, int idx);
2038 #define SSL_SESSION_get_ex_new_index(l, p, newf, dupf, freef) \
2039 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_SESSION, l, p, newf, dupf, freef)
2040 __owur int SSL_SESSION_set_ex_data(SSL_SESSION *ss, int idx, void *data);
2041 void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss, int idx);
2042 #define SSL_CTX_get_ex_new_index(l, p, newf, dupf, freef) \
2043 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, l, p, newf, dupf, freef)
2044 __owur int SSL_CTX_set_ex_data(SSL_CTX *ssl, int idx, void *data);
2045 void *SSL_CTX_get_ex_data(const SSL_CTX *ssl, int idx);
2046
2047 __owur int SSL_get_ex_data_X509_STORE_CTX_idx(void);
2048
2049 # define SSL_CTX_sess_set_cache_size(ctx,t) \
2050 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
2051 # define SSL_CTX_sess_get_cache_size(ctx) \
2052 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
2053 # define SSL_CTX_set_session_cache_mode(ctx,m) \
2054 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
2055 # define SSL_CTX_get_session_cache_mode(ctx) \
2056 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
2057
2058 # define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
2059 # define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
2060 # define SSL_CTX_get_read_ahead(ctx) \
2061 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
2062 # define SSL_CTX_set_read_ahead(ctx,m) \
2063 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
2064 # define SSL_CTX_get_max_cert_list(ctx) \
2065 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2066 # define SSL_CTX_set_max_cert_list(ctx,m) \
2067 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2068 # define SSL_get_max_cert_list(ssl) \
2069 SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2070 # define SSL_set_max_cert_list(ssl,m) \
2071 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2072
2073 # define SSL_CTX_set_max_send_fragment(ctx,m) \
2074 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2075 # define SSL_set_max_send_fragment(ssl,m) \
2076 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2077 # define SSL_CTX_set_split_send_fragment(ctx,m) \
2078 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2079 # define SSL_set_split_send_fragment(ssl,m) \
2080 SSL_ctrl(ssl,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
2081 # define SSL_CTX_set_max_pipelines(ctx,m) \
2082 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2083 # define SSL_set_max_pipelines(ssl,m) \
2084 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
2085
2086 void SSL_CTX_set_default_read_buffer_len(SSL_CTX *ctx, size_t len);
2087 void SSL_set_default_read_buffer_len(SSL *s, size_t len);
2088
2089 # ifndef OPENSSL_NO_DH
2090 /* NB: the |keylength| is only applicable when is_export is true */
2091 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
2092 DH *(*dh) (SSL *ssl, int is_export,
2093 int keylength));
2094 void SSL_set_tmp_dh_callback(SSL *ssl,
2095 DH *(*dh) (SSL *ssl, int is_export,
2096 int keylength));
2097 # endif
2098
2099 __owur const COMP_METHOD *SSL_get_current_compression(const SSL *s);
2100 __owur const COMP_METHOD *SSL_get_current_expansion(const SSL *s);
2101 __owur const char *SSL_COMP_get_name(const COMP_METHOD *comp);
2102 __owur const char *SSL_COMP_get0_name(const SSL_COMP *comp);
2103 __owur int SSL_COMP_get_id(const SSL_COMP *comp);
2104 STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
2105 __owur STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP)
2106 *meths);
2107 # if !OPENSSL_API_1_1_0
2108 # define SSL_COMP_free_compression_methods() while(0) continue
2109 # endif
2110 __owur int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm);
2111
2112 const SSL_CIPHER *SSL_CIPHER_find(SSL *ssl, const unsigned char *ptr);
2113 int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c);
2114 int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c);
2115 int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len,
2116 int isv2format, STACK_OF(SSL_CIPHER) **sk,
2117 STACK_OF(SSL_CIPHER) **scsvs);
2118
2119 /* TLS extensions functions */
2120 __owur int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len);
2121
2122 __owur int SSL_set_session_ticket_ext_cb(SSL *s,
2123 tls_session_ticket_ext_cb_fn cb,
2124 void *arg);
2125
2126 /* Pre-shared secret session resumption functions */
2127 __owur int SSL_set_session_secret_cb(SSL *s,
2128 tls_session_secret_cb_fn session_secret_cb,
2129 void *arg);
2130
2131 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx,
2132 int (*cb) (SSL *ssl,
2133 int
2134 is_forward_secure));
2135
2136 void SSL_set_not_resumable_session_callback(SSL *ssl,
2137 int (*cb) (SSL *ssl,
2138 int is_forward_secure));
2139
2140 void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx,
2141 size_t (*cb) (SSL *ssl, int type,
2142 size_t len, void *arg));
2143 void SSL_CTX_set_record_padding_callback_arg(SSL_CTX *ctx, void *arg);
2144 void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX *ctx);
2145 int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size);
2146
2147 void SSL_set_record_padding_callback(SSL *ssl,
2148 size_t (*cb) (SSL *ssl, int type,
2149 size_t len, void *arg));
2150 void SSL_set_record_padding_callback_arg(SSL *ssl, void *arg);
2151 void *SSL_get_record_padding_callback_arg(const SSL *ssl);
2152 int SSL_set_block_padding(SSL *ssl, size_t block_size);
2153
2154 int SSL_set_num_tickets(SSL *s, size_t num_tickets);
2155 size_t SSL_get_num_tickets(const SSL *s);
2156 int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets);
2157 size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx);
2158
2159 # if !OPENSSL_API_1_1_0
2160 # define SSL_cache_hit(s) SSL_session_reused(s)
2161 # endif
2162
2163 __owur int SSL_session_reused(const SSL *s);
2164 __owur int SSL_is_server(const SSL *s);
2165
2166 __owur __owur SSL_CONF_CTX *SSL_CONF_CTX_new(void);
2167 int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx);
2168 void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx);
2169 unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags);
2170 __owur unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx,
2171 unsigned int flags);
2172 __owur int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre);
2173
2174 void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl);
2175 void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx);
2176
2177 __owur int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value);
2178 __owur int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv);
2179 __owur int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd);
2180
2181 void SSL_add_ssl_module(void);
2182 int SSL_config(SSL *s, const char *name);
2183 int SSL_CTX_config(SSL_CTX *ctx, const char *name);
2184
2185 # ifndef OPENSSL_NO_SSL_TRACE
2186 void SSL_trace(int write_p, int version, int content_type,
2187 const void *buf, size_t len, SSL *ssl, void *arg);
2188 # endif
2189
2190 # ifndef OPENSSL_NO_SOCK
2191 int DTLSv1_listen(SSL *s, BIO_ADDR *client);
2192 # endif
2193
2194 # ifndef OPENSSL_NO_CT
2195
2196 /*
2197 * A callback for verifying that the received SCTs are sufficient.
2198 * Expected to return 1 if they are sufficient, otherwise 0.
2199 * May return a negative integer if an error occurs.
2200 * A connection should be aborted if the SCTs are deemed insufficient.
2201 */
2202 typedef int (*ssl_ct_validation_cb)(const CT_POLICY_EVAL_CTX *ctx,
2203 const STACK_OF(SCT) *scts, void *arg);
2204
2205 /*
2206 * Sets a |callback| that is invoked upon receipt of ServerHelloDone to validate
2207 * the received SCTs.
2208 * If the callback returns a non-positive result, the connection is terminated.
2209 * Call this function before beginning a handshake.
2210 * If a NULL |callback| is provided, SCT validation is disabled.
2211 * |arg| is arbitrary userdata that will be passed to the callback whenever it
2212 * is invoked. Ownership of |arg| remains with the caller.
2213 *
2214 * NOTE: A side-effect of setting a CT callback is that an OCSP stapled response
2215 * will be requested.
2216 */
2217 int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback,
2218 void *arg);
2219 int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx,
2220 ssl_ct_validation_cb callback,
2221 void *arg);
2222 #define SSL_disable_ct(s) \
2223 ((void) SSL_set_validation_callback((s), NULL, NULL))
2224 #define SSL_CTX_disable_ct(ctx) \
2225 ((void) SSL_CTX_set_validation_callback((ctx), NULL, NULL))
2226
2227 /*
2228 * The validation type enumerates the available behaviours of the built-in SSL
2229 * CT validation callback selected via SSL_enable_ct() and SSL_CTX_enable_ct().
2230 * The underlying callback is a static function in libssl.
2231 */
2232 enum {
2233 SSL_CT_VALIDATION_PERMISSIVE = 0,
2234 SSL_CT_VALIDATION_STRICT
2235 };
2236
2237 /*
2238 * Enable CT by setting up a callback that implements one of the built-in
2239 * validation variants. The SSL_CT_VALIDATION_PERMISSIVE variant always
2240 * continues the handshake, the application can make appropriate decisions at
2241 * handshake completion. The SSL_CT_VALIDATION_STRICT variant requires at
2242 * least one valid SCT, or else handshake termination will be requested. The
2243 * handshake may continue anyway if SSL_VERIFY_NONE is in effect.
2244 */
2245 int SSL_enable_ct(SSL *s, int validation_mode);
2246 int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode);
2247
2248 /*
2249 * Report whether a non-NULL callback is enabled.
2250 */
2251 int SSL_ct_is_enabled(const SSL *s);
2252 int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx);
2253
2254 /* Gets the SCTs received from a connection */
2255 const STACK_OF(SCT) *SSL_get0_peer_scts(SSL *s);
2256
2257 /*
2258 * Loads the CT log list from the default location.
2259 * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2260 * the log information loaded from this file will be appended to the
2261 * CTLOG_STORE.
2262 * Returns 1 on success, 0 otherwise.
2263 */
2264 int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx);
2265
2266 /*
2267 * Loads the CT log list from the specified file path.
2268 * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2269 * the log information loaded from this file will be appended to the
2270 * CTLOG_STORE.
2271 * Returns 1 on success, 0 otherwise.
2272 */
2273 int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path);
2274
2275 /*
2276 * Sets the CT log list used by all SSL connections created from this SSL_CTX.
2277 * Ownership of the CTLOG_STORE is transferred to the SSL_CTX.
2278 */
2279 void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE *logs);
2280
2281 /*
2282 * Gets the CT log list used by all SSL connections created from this SSL_CTX.
2283 * This will be NULL unless one of the following functions has been called:
2284 * - SSL_CTX_set_default_ctlog_list_file
2285 * - SSL_CTX_set_ctlog_list_file
2286 * - SSL_CTX_set_ctlog_store
2287 */
2288 const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx);
2289
2290 # endif /* OPENSSL_NO_CT */
2291
2292 /* What the "other" parameter contains in security callback */
2293 /* Mask for type */
2294 # define SSL_SECOP_OTHER_TYPE 0xffff0000
2295 # define SSL_SECOP_OTHER_NONE 0
2296 # define SSL_SECOP_OTHER_CIPHER (1 << 16)
2297 # define SSL_SECOP_OTHER_CURVE (2 << 16)
2298 # define SSL_SECOP_OTHER_DH (3 << 16)
2299 # define SSL_SECOP_OTHER_PKEY (4 << 16)
2300 # define SSL_SECOP_OTHER_SIGALG (5 << 16)
2301 # define SSL_SECOP_OTHER_CERT (6 << 16)
2302
2303 /* Indicated operation refers to peer key or certificate */
2304 # define SSL_SECOP_PEER 0x1000
2305
2306 /* Values for "op" parameter in security callback */
2307
2308 /* Called to filter ciphers */
2309 /* Ciphers client supports */
2310 # define SSL_SECOP_CIPHER_SUPPORTED (1 | SSL_SECOP_OTHER_CIPHER)
2311 /* Cipher shared by client/server */
2312 # define SSL_SECOP_CIPHER_SHARED (2 | SSL_SECOP_OTHER_CIPHER)
2313 /* Sanity check of cipher server selects */
2314 # define SSL_SECOP_CIPHER_CHECK (3 | SSL_SECOP_OTHER_CIPHER)
2315 /* Curves supported by client */
2316 # define SSL_SECOP_CURVE_SUPPORTED (4 | SSL_SECOP_OTHER_CURVE)
2317 /* Curves shared by client/server */
2318 # define SSL_SECOP_CURVE_SHARED (5 | SSL_SECOP_OTHER_CURVE)
2319 /* Sanity check of curve server selects */
2320 # define SSL_SECOP_CURVE_CHECK (6 | SSL_SECOP_OTHER_CURVE)
2321 /* Temporary DH key */
2322 # define SSL_SECOP_TMP_DH (7 | SSL_SECOP_OTHER_PKEY)
2323 /* SSL/TLS version */
2324 # define SSL_SECOP_VERSION (9 | SSL_SECOP_OTHER_NONE)
2325 /* Session tickets */
2326 # define SSL_SECOP_TICKET (10 | SSL_SECOP_OTHER_NONE)
2327 /* Supported signature algorithms sent to peer */
2328 # define SSL_SECOP_SIGALG_SUPPORTED (11 | SSL_SECOP_OTHER_SIGALG)
2329 /* Shared signature algorithm */
2330 # define SSL_SECOP_SIGALG_SHARED (12 | SSL_SECOP_OTHER_SIGALG)
2331 /* Sanity check signature algorithm allowed */
2332 # define SSL_SECOP_SIGALG_CHECK (13 | SSL_SECOP_OTHER_SIGALG)
2333 /* Used to get mask of supported public key signature algorithms */
2334 # define SSL_SECOP_SIGALG_MASK (14 | SSL_SECOP_OTHER_SIGALG)
2335 /* Use to see if compression is allowed */
2336 # define SSL_SECOP_COMPRESSION (15 | SSL_SECOP_OTHER_NONE)
2337 /* EE key in certificate */
2338 # define SSL_SECOP_EE_KEY (16 | SSL_SECOP_OTHER_CERT)
2339 /* CA key in certificate */
2340 # define SSL_SECOP_CA_KEY (17 | SSL_SECOP_OTHER_CERT)
2341 /* CA digest algorithm in certificate */
2342 # define SSL_SECOP_CA_MD (18 | SSL_SECOP_OTHER_CERT)
2343 /* Peer EE key in certificate */
2344 # define SSL_SECOP_PEER_EE_KEY (SSL_SECOP_EE_KEY | SSL_SECOP_PEER)
2345 /* Peer CA key in certificate */
2346 # define SSL_SECOP_PEER_CA_KEY (SSL_SECOP_CA_KEY | SSL_SECOP_PEER)
2347 /* Peer CA digest algorithm in certificate */
2348 # define SSL_SECOP_PEER_CA_MD (SSL_SECOP_CA_MD | SSL_SECOP_PEER)
2349
2350 void SSL_set_security_level(SSL *s, int level);
2351 __owur int SSL_get_security_level(const SSL *s);
2352 void SSL_set_security_callback(SSL *s,
2353 int (*cb) (const SSL *s, const SSL_CTX *ctx,
2354 int op, int bits, int nid,
2355 void *other, void *ex));
2356 int (*SSL_get_security_callback(const SSL *s)) (const SSL *s,
2357 const SSL_CTX *ctx, int op,
2358 int bits, int nid, void *other,
2359 void *ex);
2360 void SSL_set0_security_ex_data(SSL *s, void *ex);
2361 __owur void *SSL_get0_security_ex_data(const SSL *s);
2362
2363 void SSL_CTX_set_security_level(SSL_CTX *ctx, int level);
2364 __owur int SSL_CTX_get_security_level(const SSL_CTX *ctx);
2365 void SSL_CTX_set_security_callback(SSL_CTX *ctx,
2366 int (*cb) (const SSL *s, const SSL_CTX *ctx,
2367 int op, int bits, int nid,
2368 void *other, void *ex));
2369 int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (const SSL *s,
2370 const SSL_CTX *ctx,
2371 int op, int bits,
2372 int nid,
2373 void *other,
2374 void *ex);
2375 void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex);
2376 __owur void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx);
2377
2378 /* OPENSSL_INIT flag 0x010000 reserved for internal use */
2379 # define OPENSSL_INIT_NO_LOAD_SSL_STRINGS 0x00100000L
2380 # define OPENSSL_INIT_LOAD_SSL_STRINGS 0x00200000L
2381
2382 # define OPENSSL_INIT_SSL_DEFAULT \
2383 (OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS)
2384
2385 int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
2386
2387 # ifndef OPENSSL_NO_UNIT_TEST
2388 __owur const struct openssl_ssl_test_functions *SSL_test_functions(void);
2389 # endif
2390
2391 __owur int SSL_free_buffers(SSL *ssl);
2392 __owur int SSL_alloc_buffers(SSL *ssl);
2393
2394 /* Status codes passed to the decrypt session ticket callback. Some of these
2395 * are for internal use only and are never passed to the callback. */
2396 typedef int SSL_TICKET_STATUS;
2397
2398 /* Support for ticket appdata */
2399 /* fatal error, malloc failure */
2400 # define SSL_TICKET_FATAL_ERR_MALLOC 0
2401 /* fatal error, either from parsing or decrypting the ticket */
2402 # define SSL_TICKET_FATAL_ERR_OTHER 1
2403 /* No ticket present */
2404 # define SSL_TICKET_NONE 2
2405 /* Empty ticket present */
2406 # define SSL_TICKET_EMPTY 3
2407 /* the ticket couldn't be decrypted */
2408 # define SSL_TICKET_NO_DECRYPT 4
2409 /* a ticket was successfully decrypted */
2410 # define SSL_TICKET_SUCCESS 5
2411 /* same as above but the ticket needs to be renewed */
2412 # define SSL_TICKET_SUCCESS_RENEW 6
2413
2414 /* Return codes for the decrypt session ticket callback */
2415 typedef int SSL_TICKET_RETURN;
2416
2417 /* An error occurred */
2418 #define SSL_TICKET_RETURN_ABORT 0
2419 /* Do not use the ticket, do not send a renewed ticket to the client */
2420 #define SSL_TICKET_RETURN_IGNORE 1
2421 /* Do not use the ticket, send a renewed ticket to the client */
2422 #define SSL_TICKET_RETURN_IGNORE_RENEW 2
2423 /* Use the ticket, do not send a renewed ticket to the client */
2424 #define SSL_TICKET_RETURN_USE 3
2425 /* Use the ticket, send a renewed ticket to the client */
2426 #define SSL_TICKET_RETURN_USE_RENEW 4
2427
2428 typedef int (*SSL_CTX_generate_session_ticket_fn)(SSL *s, void *arg);
2429 typedef SSL_TICKET_RETURN (*SSL_CTX_decrypt_session_ticket_fn)(SSL *s, SSL_SESSION *ss,
2430 const unsigned char *keyname,
2431 size_t keyname_length,
2432 SSL_TICKET_STATUS status,
2433 void *arg);
2434 int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx,
2435 SSL_CTX_generate_session_ticket_fn gen_cb,
2436 SSL_CTX_decrypt_session_ticket_fn dec_cb,
2437 void *arg);
2438 int SSL_SESSION_set1_ticket_appdata(SSL_SESSION *ss, const void *data, size_t len);
2439 int SSL_SESSION_get0_ticket_appdata(SSL_SESSION *ss, void **data, size_t *len);
2440
2441 typedef unsigned int (*DTLS_timer_cb)(SSL *s, unsigned int timer_us);
2442
2443 void DTLS_set_timer_cb(SSL *s, DTLS_timer_cb cb);
2444
2445
2446 typedef int (*SSL_allow_early_data_cb_fn)(SSL *s, void *arg);
2447 void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx,
2448 SSL_allow_early_data_cb_fn cb,
2449 void *arg);
2450 void SSL_set_allow_early_data_cb(SSL *s,
2451 SSL_allow_early_data_cb_fn cb,
2452 void *arg);
2453
2454 /* store the default cipher strings inside the library */
2455 const char *OSSL_default_cipher_list(void);
2456 const char *OSSL_default_ciphersuites(void);
2457
2458 # ifdef __cplusplus
2459 }
2460 # endif
2461 #endif
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