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[thirdparty/openssl.git] / include / openssl / ssl.h
1 /*
2 * Copyright 1995-2016 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 OpenSSL license (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_COMPAT < 0x10100000L
20 # include <openssl/x509.h>
21 # include <openssl/crypto.h>
22 # include <openssl/lhash.h>
23 # include <openssl/buffer.h>
24 # endif
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 # define TLS13_MAX_RESUMPTION_MASTER_LENGTH 64
52
53 /* The maximum number of encrypt/decrypt pipelines we can support */
54 # define SSL_MAX_PIPELINES 32
55
56 /* text strings for the ciphers */
57
58 /* These are used to specify which ciphers to use and not to use */
59
60 # define SSL_TXT_LOW "LOW"
61 # define SSL_TXT_MEDIUM "MEDIUM"
62 # define SSL_TXT_HIGH "HIGH"
63 # define SSL_TXT_FIPS "FIPS"
64
65 # define SSL_TXT_aNULL "aNULL"
66 # define SSL_TXT_eNULL "eNULL"
67 # define SSL_TXT_NULL "NULL"
68
69 # define SSL_TXT_kRSA "kRSA"
70 # define SSL_TXT_kDHr "kDHr"
71 # define SSL_TXT_kDHd "kDHd"
72 # define SSL_TXT_kDH "kDH"
73 # define SSL_TXT_kEDH "kEDH"/* alias for kDHE */
74 # define SSL_TXT_kDHE "kDHE"
75 # define SSL_TXT_kECDHr "kECDHr"
76 # define SSL_TXT_kECDHe "kECDHe"
77 # define SSL_TXT_kECDH "kECDH"
78 # define SSL_TXT_kEECDH "kEECDH"/* alias for kECDHE */
79 # define SSL_TXT_kECDHE "kECDHE"
80 # define SSL_TXT_kPSK "kPSK"
81 # define SSL_TXT_kRSAPSK "kRSAPSK"
82 # define SSL_TXT_kECDHEPSK "kECDHEPSK"
83 # define SSL_TXT_kDHEPSK "kDHEPSK"
84 # define SSL_TXT_kGOST "kGOST"
85 # define SSL_TXT_kSRP "kSRP"
86
87 # define SSL_TXT_aRSA "aRSA"
88 # define SSL_TXT_aDSS "aDSS"
89 # define SSL_TXT_aDH "aDH"
90 # define SSL_TXT_aECDH "aECDH"
91 # define SSL_TXT_aECDSA "aECDSA"
92 # define SSL_TXT_aPSK "aPSK"
93 # define SSL_TXT_aGOST94 "aGOST94"
94 # define SSL_TXT_aGOST01 "aGOST01"
95 # define SSL_TXT_aGOST12 "aGOST12"
96 # define SSL_TXT_aGOST "aGOST"
97 # define SSL_TXT_aSRP "aSRP"
98
99 # define SSL_TXT_DSS "DSS"
100 # define SSL_TXT_DH "DH"
101 # define SSL_TXT_DHE "DHE"/* same as "kDHE:-ADH" */
102 # define SSL_TXT_EDH "EDH"/* alias for DHE */
103 # define SSL_TXT_ADH "ADH"
104 # define SSL_TXT_RSA "RSA"
105 # define SSL_TXT_ECDH "ECDH"
106 # define SSL_TXT_EECDH "EECDH"/* alias for ECDHE" */
107 # define SSL_TXT_ECDHE "ECDHE"/* same as "kECDHE:-AECDH" */
108 # define SSL_TXT_AECDH "AECDH"
109 # define SSL_TXT_ECDSA "ECDSA"
110 # define SSL_TXT_PSK "PSK"
111 # define SSL_TXT_SRP "SRP"
112
113 # define SSL_TXT_DES "DES"
114 # define SSL_TXT_3DES "3DES"
115 # define SSL_TXT_RC4 "RC4"
116 # define SSL_TXT_RC2 "RC2"
117 # define SSL_TXT_IDEA "IDEA"
118 # define SSL_TXT_SEED "SEED"
119 # define SSL_TXT_AES128 "AES128"
120 # define SSL_TXT_AES256 "AES256"
121 # define SSL_TXT_AES "AES"
122 # define SSL_TXT_AES_GCM "AESGCM"
123 # define SSL_TXT_AES_CCM "AESCCM"
124 # define SSL_TXT_AES_CCM_8 "AESCCM8"
125 # define SSL_TXT_CAMELLIA128 "CAMELLIA128"
126 # define SSL_TXT_CAMELLIA256 "CAMELLIA256"
127 # define SSL_TXT_CAMELLIA "CAMELLIA"
128 # define SSL_TXT_CHACHA20 "CHACHA20"
129 # define SSL_TXT_GOST "GOST89"
130
131 # define SSL_TXT_MD5 "MD5"
132 # define SSL_TXT_SHA1 "SHA1"
133 # define SSL_TXT_SHA "SHA"/* same as "SHA1" */
134 # define SSL_TXT_GOST94 "GOST94"
135 # define SSL_TXT_GOST89MAC "GOST89MAC"
136 # define SSL_TXT_GOST12 "GOST12"
137 # define SSL_TXT_GOST89MAC12 "GOST89MAC12"
138 # define SSL_TXT_SHA256 "SHA256"
139 # define SSL_TXT_SHA384 "SHA384"
140
141 # define SSL_TXT_SSLV3 "SSLv3"
142 # define SSL_TXT_TLSV1 "TLSv1"
143 # define SSL_TXT_TLSV1_1 "TLSv1.1"
144 # define SSL_TXT_TLSV1_2 "TLSv1.2"
145
146 # define SSL_TXT_ALL "ALL"
147
148 /*-
149 * COMPLEMENTOF* definitions. These identifiers are used to (de-select)
150 * ciphers normally not being used.
151 * Example: "RC4" will activate all ciphers using RC4 including ciphers
152 * without authentication, which would normally disabled by DEFAULT (due
153 * the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT"
154 * will make sure that it is also disabled in the specific selection.
155 * COMPLEMENTOF* identifiers are portable between version, as adjustments
156 * to the default cipher setup will also be included here.
157 *
158 * COMPLEMENTOFDEFAULT does not experience the same special treatment that
159 * DEFAULT gets, as only selection is being done and no sorting as needed
160 * for DEFAULT.
161 */
162 # define SSL_TXT_CMPALL "COMPLEMENTOFALL"
163 # define SSL_TXT_CMPDEF "COMPLEMENTOFDEFAULT"
164
165 /*
166 * The following cipher list is used by default. It also is substituted when
167 * an application-defined cipher list string starts with 'DEFAULT'.
168 */
169 # define SSL_DEFAULT_CIPHER_LIST "ALL:!COMPLEMENTOFDEFAULT:!eNULL"
170 /*
171 * As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always
172 * starts with a reasonable order, and all we have to do for DEFAULT is
173 * throwing out anonymous and unencrypted ciphersuites! (The latter are not
174 * actually enabled by ALL, but "ALL:RSA" would enable some of them.)
175 */
176
177 /* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
178 # define SSL_SENT_SHUTDOWN 1
179 # define SSL_RECEIVED_SHUTDOWN 2
180
181 #ifdef __cplusplus
182 }
183 #endif
184
185 #ifdef __cplusplus
186 extern "C" {
187 #endif
188
189 # define SSL_FILETYPE_ASN1 X509_FILETYPE_ASN1
190 # define SSL_FILETYPE_PEM X509_FILETYPE_PEM
191
192 /*
193 * This is needed to stop compilers complaining about the 'struct ssl_st *'
194 * function parameters used to prototype callbacks in SSL_CTX.
195 */
196 typedef struct ssl_st *ssl_crock_st;
197 typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
198 typedef struct ssl_method_st SSL_METHOD;
199 typedef struct ssl_cipher_st SSL_CIPHER;
200 typedef struct ssl_session_st SSL_SESSION;
201 typedef struct tls_sigalgs_st TLS_SIGALGS;
202 typedef struct ssl_conf_ctx_st SSL_CONF_CTX;
203 typedef struct ssl_comp_st SSL_COMP;
204
205 STACK_OF(SSL_CIPHER);
206 STACK_OF(SSL_COMP);
207
208 /* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/
209 typedef struct srtp_protection_profile_st {
210 const char *name;
211 unsigned long id;
212 } SRTP_PROTECTION_PROFILE;
213
214 DEFINE_STACK_OF(SRTP_PROTECTION_PROFILE)
215
216 typedef int (*tls_session_ticket_ext_cb_fn) (SSL *s,
217 const unsigned char *data,
218 int len, void *arg);
219 typedef int (*tls_session_secret_cb_fn) (SSL *s, void *secret,
220 int *secret_len,
221 STACK_OF(SSL_CIPHER) *peer_ciphers,
222 const SSL_CIPHER **cipher, void *arg);
223
224 /* Extension context codes */
225 /* This extension is only allowed in TLS */
226 #define SSL_EXT_TLS_ONLY 0x0001
227 /* This extension is only allowed in DTLS */
228 #define SSL_EXT_DTLS_ONLY 0x0002
229 /* Some extensions may be allowed in DTLS but we don't implement them for it */
230 #define SSL_EXT_TLS_IMPLEMENTATION_ONLY 0x0004
231 /* Most extensions are not defined for SSLv3 but EXT_TYPE_renegotiate is */
232 #define SSL_EXT_SSL3_ALLOWED 0x0008
233 /* Extension is only defined for TLS1.2 and below */
234 #define SSL_EXT_TLS1_2_AND_BELOW_ONLY 0x0010
235 /* Extension is only defined for TLS1.3 and above */
236 #define SSL_EXT_TLS1_3_ONLY 0x0020
237 /* Ignore this extension during parsing if we are resuming */
238 #define SSL_EXT_IGNORE_ON_RESUMPTION 0x0040
239 #define SSL_EXT_CLIENT_HELLO 0x0080
240 /* Really means TLS1.2 or below */
241 #define SSL_EXT_TLS1_2_SERVER_HELLO 0x0100
242 #define SSL_EXT_TLS1_3_SERVER_HELLO 0x0200
243 #define SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS 0x0400
244 #define SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST 0x0800
245 #define SSL_EXT_TLS1_3_CERTIFICATE 0x1000
246 #define SSL_EXT_TLS1_3_NEW_SESSION_TICKET 0x2000
247 #define SSL_EXT_TLS1_3_CERTIFICATE_REQUEST 0x4000
248
249 /* Typedefs for handling custom extensions */
250
251 typedef int (*custom_ext_add_cb) (SSL *s, unsigned int ext_type,
252 const unsigned char **out,
253 size_t *outlen, int *al, void *add_arg);
254
255 typedef void (*custom_ext_free_cb) (SSL *s, unsigned int ext_type,
256 const unsigned char *out, void *add_arg);
257
258 typedef int (*custom_ext_parse_cb) (SSL *s, unsigned int ext_type,
259 const unsigned char *in,
260 size_t inlen, int *al, void *parse_arg);
261
262
263 typedef int (*SSL_custom_ext_add_cb_ex) (SSL *s, unsigned int ext_type,
264 unsigned int context,
265 const unsigned char **out,
266 size_t *outlen, X509 *x,
267 size_t chainidx,
268 int *al, void *add_arg);
269
270 typedef void (*SSL_custom_ext_free_cb_ex) (SSL *s, unsigned int ext_type,
271 unsigned int context,
272 const unsigned char *out,
273 void *add_arg);
274
275 typedef int (*SSL_custom_ext_parse_cb_ex) (SSL *s, unsigned int ext_type,
276 unsigned int context,
277 const unsigned char *in,
278 size_t inlen, X509 *x,
279 size_t chainidx,
280 int *al, void *parse_arg);
281
282 /* Typedef for verification callback */
283 typedef int (*SSL_verify_cb)(int preverify_ok, X509_STORE_CTX *x509_ctx);
284
285 /* Allow initial connection to servers that don't support RI */
286 # define SSL_OP_LEGACY_SERVER_CONNECT 0x00000004U
287 # define SSL_OP_TLSEXT_PADDING 0x00000010U
288 # define SSL_OP_SAFARI_ECDHE_ECDSA_BUG 0x00000040U
289
290 /*
291 * Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added in
292 * OpenSSL 0.9.6d. Usually (depending on the application protocol) the
293 * workaround is not needed. Unfortunately some broken SSL/TLS
294 * implementations cannot handle it at all, which is why we include it in
295 * SSL_OP_ALL. Added in 0.9.6e
296 */
297 # define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS 0x00000800U
298
299 /* DTLS options */
300 # define SSL_OP_NO_QUERY_MTU 0x00001000U
301 /* Turn on Cookie Exchange (on relevant for servers) */
302 # define SSL_OP_COOKIE_EXCHANGE 0x00002000U
303 /* Don't use RFC4507 ticket extension */
304 # define SSL_OP_NO_TICKET 0x00004000U
305 # ifndef OPENSSL_NO_DTLS1_METHOD
306 /* Use Cisco's "speshul" version of DTLS_BAD_VER
307 * (only with deprecated DTLSv1_client_method()) */
308 # define SSL_OP_CISCO_ANYCONNECT 0x00008000U
309 # endif
310
311 /* As server, disallow session resumption on renegotiation */
312 # define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION 0x00010000U
313 /* Don't use compression even if supported */
314 # define SSL_OP_NO_COMPRESSION 0x00020000U
315 /* Permit unsafe legacy renegotiation */
316 # define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION 0x00040000U
317 /* Disable encrypt-then-mac */
318 # define SSL_OP_NO_ENCRYPT_THEN_MAC 0x00080000U
319 /*
320 * Set on servers to choose the cipher according to the server's preferences
321 */
322 # define SSL_OP_CIPHER_SERVER_PREFERENCE 0x00400000U
323 /*
324 * If set, a server will allow a client to issue a SSLv3.0 version number as
325 * latest version supported in the premaster secret, even when TLSv1.0
326 * (version 3.1) was announced in the client hello. Normally this is
327 * forbidden to prevent version rollback attacks.
328 */
329 # define SSL_OP_TLS_ROLLBACK_BUG 0x00800000U
330
331 # define SSL_OP_NO_SSLv3 0x02000000U
332 # define SSL_OP_NO_TLSv1 0x04000000U
333 # define SSL_OP_NO_TLSv1_2 0x08000000U
334 # define SSL_OP_NO_TLSv1_1 0x10000000U
335 # define SSL_OP_NO_TLSv1_3 0x20000000U
336
337 # define SSL_OP_NO_DTLSv1 0x04000000U
338 # define SSL_OP_NO_DTLSv1_2 0x08000000U
339
340 # define SSL_OP_NO_SSL_MASK (SSL_OP_NO_SSLv3|\
341 SSL_OP_NO_TLSv1|SSL_OP_NO_TLSv1_1|SSL_OP_NO_TLSv1_2|SSL_OP_NO_TLSv1_3)
342 # define SSL_OP_NO_DTLS_MASK (SSL_OP_NO_DTLSv1|SSL_OP_NO_DTLSv1_2)
343
344 /* Disallow all renegotiation */
345 # define SSL_OP_NO_RENEGOTIATION 0x40000000U
346
347 /*
348 * Make server add server-hello extension from early version of cryptopro
349 * draft, when GOST ciphersuite is negotiated. Required for interoperability
350 * with CryptoPro CSP 3.x
351 */
352 # define SSL_OP_CRYPTOPRO_TLSEXT_BUG 0x80000000U
353
354 /*
355 * SSL_OP_ALL: various bug workarounds that should be rather harmless.
356 * This used to be 0x000FFFFFL before 0.9.7.
357 * This used to be 0x80000BFFU before 1.1.1.
358 */
359 # define SSL_OP_ALL (SSL_OP_CRYPTOPRO_TLSEXT_BUG|\
360 SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS|\
361 SSL_OP_LEGACY_SERVER_CONNECT|\
362 SSL_OP_TLSEXT_PADDING|\
363 SSL_OP_SAFARI_ECDHE_ECDSA_BUG)
364
365 /* OBSOLETE OPTIONS: retained for compatibility */
366
367 /* Removed from OpenSSL 1.1.0. Was 0x00000001L */
368 /* Related to removed SSLv2. */
369 # define SSL_OP_MICROSOFT_SESS_ID_BUG 0x0
370 /* Removed from OpenSSL 1.1.0. Was 0x00000002L */
371 /* Related to removed SSLv2. */
372 # define SSL_OP_NETSCAPE_CHALLENGE_BUG 0x0
373 /* Removed from OpenSSL 0.9.8q and 1.0.0c. Was 0x00000008L */
374 /* Dead forever, see CVE-2010-4180 */
375 # define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG 0x0
376 /* Removed from OpenSSL 1.0.1h and 1.0.2. Was 0x00000010L */
377 /* Refers to ancient SSLREF and SSLv2. */
378 # define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG 0x0
379 /* Removed from OpenSSL 1.1.0. Was 0x00000020 */
380 # define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER 0x0
381 /* Removed from OpenSSL 0.9.7h and 0.9.8b. Was 0x00000040L */
382 # define SSL_OP_MSIE_SSLV2_RSA_PADDING 0x0
383 /* Removed from OpenSSL 1.1.0. Was 0x00000080 */
384 /* Ancient SSLeay version. */
385 # define SSL_OP_SSLEAY_080_CLIENT_DH_BUG 0x0
386 /* Removed from OpenSSL 1.1.0. Was 0x00000100L */
387 # define SSL_OP_TLS_D5_BUG 0x0
388 /* Removed from OpenSSL 1.1.0. Was 0x00000200L */
389 # define SSL_OP_TLS_BLOCK_PADDING_BUG 0x0
390 /* Removed from OpenSSL 1.1.0. Was 0x00080000L */
391 # define SSL_OP_SINGLE_ECDH_USE 0x0
392 /* Removed from OpenSSL 1.1.0. Was 0x00100000L */
393 # define SSL_OP_SINGLE_DH_USE 0x0
394 /* Removed from OpenSSL 1.0.1k and 1.0.2. Was 0x00200000L */
395 # define SSL_OP_EPHEMERAL_RSA 0x0
396 /* Removed from OpenSSL 1.1.0. Was 0x01000000L */
397 # define SSL_OP_NO_SSLv2 0x0
398 /* Removed from OpenSSL 1.0.1. Was 0x08000000L */
399 # define SSL_OP_PKCS1_CHECK_1 0x0
400 /* Removed from OpenSSL 1.0.1. Was 0x10000000L */
401 # define SSL_OP_PKCS1_CHECK_2 0x0
402 /* Removed from OpenSSL 1.1.0. Was 0x20000000L */
403 # define SSL_OP_NETSCAPE_CA_DN_BUG 0x0
404 /* Removed from OpenSSL 1.1.0. Was 0x40000000L */
405 # define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG 0x0
406
407 /*
408 * Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
409 * when just a single record has been written):
410 */
411 # define SSL_MODE_ENABLE_PARTIAL_WRITE 0x00000001U
412 /*
413 * Make it possible to retry SSL_write() with changed buffer location (buffer
414 * contents must stay the same!); this is not the default to avoid the
415 * misconception that non-blocking SSL_write() behaves like non-blocking
416 * write():
417 */
418 # define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002U
419 /*
420 * Never bother the application with retries if the transport is blocking:
421 */
422 # define SSL_MODE_AUTO_RETRY 0x00000004U
423 /* Don't attempt to automatically build certificate chain */
424 # define SSL_MODE_NO_AUTO_CHAIN 0x00000008U
425 /*
426 * Save RAM by releasing read and write buffers when they're empty. (SSL3 and
427 * TLS only.) "Released" buffers are put onto a free-list in the context or
428 * just freed (depending on the context's setting for freelist_max_len).
429 */
430 # define SSL_MODE_RELEASE_BUFFERS 0x00000010U
431 /*
432 * Send the current time in the Random fields of the ClientHello and
433 * ServerHello records for compatibility with hypothetical implementations
434 * that require it.
435 */
436 # define SSL_MODE_SEND_CLIENTHELLO_TIME 0x00000020U
437 # define SSL_MODE_SEND_SERVERHELLO_TIME 0x00000040U
438 /*
439 * Send TLS_FALLBACK_SCSV in the ClientHello. To be set only by applications
440 * that reconnect with a downgraded protocol version; see
441 * draft-ietf-tls-downgrade-scsv-00 for details. DO NOT ENABLE THIS if your
442 * application attempts a normal handshake. Only use this in explicit
443 * fallback retries, following the guidance in
444 * draft-ietf-tls-downgrade-scsv-00.
445 */
446 # define SSL_MODE_SEND_FALLBACK_SCSV 0x00000080U
447 /*
448 * Support Asynchronous operation
449 */
450 # define SSL_MODE_ASYNC 0x00000100U
451
452 /* Cert related flags */
453 /*
454 * Many implementations ignore some aspects of the TLS standards such as
455 * enforcing certificate chain algorithms. When this is set we enforce them.
456 */
457 # define SSL_CERT_FLAG_TLS_STRICT 0x00000001U
458
459 /* Suite B modes, takes same values as certificate verify flags */
460 # define SSL_CERT_FLAG_SUITEB_128_LOS_ONLY 0x10000
461 /* Suite B 192 bit only mode */
462 # define SSL_CERT_FLAG_SUITEB_192_LOS 0x20000
463 /* Suite B 128 bit mode allowing 192 bit algorithms */
464 # define SSL_CERT_FLAG_SUITEB_128_LOS 0x30000
465
466 /* Perform all sorts of protocol violations for testing purposes */
467 # define SSL_CERT_FLAG_BROKEN_PROTOCOL 0x10000000
468
469 /* Flags for building certificate chains */
470 /* Treat any existing certificates as untrusted CAs */
471 # define SSL_BUILD_CHAIN_FLAG_UNTRUSTED 0x1
472 /* Don't include root CA in chain */
473 # define SSL_BUILD_CHAIN_FLAG_NO_ROOT 0x2
474 /* Just check certificates already there */
475 # define SSL_BUILD_CHAIN_FLAG_CHECK 0x4
476 /* Ignore verification errors */
477 # define SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR 0x8
478 /* Clear verification errors from queue */
479 # define SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR 0x10
480
481 /* Flags returned by SSL_check_chain */
482 /* Certificate can be used with this session */
483 # define CERT_PKEY_VALID 0x1
484 /* Certificate can also be used for signing */
485 # define CERT_PKEY_SIGN 0x2
486 /* EE certificate signing algorithm OK */
487 # define CERT_PKEY_EE_SIGNATURE 0x10
488 /* CA signature algorithms OK */
489 # define CERT_PKEY_CA_SIGNATURE 0x20
490 /* EE certificate parameters OK */
491 # define CERT_PKEY_EE_PARAM 0x40
492 /* CA certificate parameters OK */
493 # define CERT_PKEY_CA_PARAM 0x80
494 /* Signing explicitly allowed as opposed to SHA1 fallback */
495 # define CERT_PKEY_EXPLICIT_SIGN 0x100
496 /* Client CA issuer names match (always set for server cert) */
497 # define CERT_PKEY_ISSUER_NAME 0x200
498 /* Cert type matches client types (always set for server cert) */
499 # define CERT_PKEY_CERT_TYPE 0x400
500 /* Cert chain suitable to Suite B */
501 # define CERT_PKEY_SUITEB 0x800
502
503 # define SSL_CONF_FLAG_CMDLINE 0x1
504 # define SSL_CONF_FLAG_FILE 0x2
505 # define SSL_CONF_FLAG_CLIENT 0x4
506 # define SSL_CONF_FLAG_SERVER 0x8
507 # define SSL_CONF_FLAG_SHOW_ERRORS 0x10
508 # define SSL_CONF_FLAG_CERTIFICATE 0x20
509 # define SSL_CONF_FLAG_REQUIRE_PRIVATE 0x40
510 /* Configuration value types */
511 # define SSL_CONF_TYPE_UNKNOWN 0x0
512 # define SSL_CONF_TYPE_STRING 0x1
513 # define SSL_CONF_TYPE_FILE 0x2
514 # define SSL_CONF_TYPE_DIR 0x3
515 # define SSL_CONF_TYPE_NONE 0x4
516
517 /*
518 * Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value, they
519 * cannot be used to clear bits.
520 */
521
522 unsigned long SSL_CTX_get_options(const SSL_CTX *ctx);
523 unsigned long SSL_get_options(const SSL* s);
524 unsigned long SSL_CTX_clear_options(SSL_CTX *ctx, unsigned long op);
525 unsigned long SSL_clear_options(SSL *s, unsigned long op);
526 unsigned long SSL_CTX_set_options(SSL_CTX *ctx, unsigned long op);
527 unsigned long SSL_set_options(SSL *s, unsigned long op);
528
529 # define SSL_CTX_set_mode(ctx,op) \
530 SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
531 # define SSL_CTX_clear_mode(ctx,op) \
532 SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
533 # define SSL_CTX_get_mode(ctx) \
534 SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
535 # define SSL_clear_mode(ssl,op) \
536 SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
537 # define SSL_set_mode(ssl,op) \
538 SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
539 # define SSL_get_mode(ssl) \
540 SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
541 # define SSL_set_mtu(ssl, mtu) \
542 SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
543 # define DTLS_set_link_mtu(ssl, mtu) \
544 SSL_ctrl((ssl),DTLS_CTRL_SET_LINK_MTU,(mtu),NULL)
545 # define DTLS_get_link_min_mtu(ssl) \
546 SSL_ctrl((ssl),DTLS_CTRL_GET_LINK_MIN_MTU,0,NULL)
547
548 # define SSL_get_secure_renegotiation_support(ssl) \
549 SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
550
551 # ifndef OPENSSL_NO_HEARTBEATS
552 # define SSL_heartbeat(ssl) \
553 SSL_ctrl((ssl),SSL_CTRL_DTLS_EXT_SEND_HEARTBEAT,0,NULL)
554 # endif
555
556 # define SSL_CTX_set_cert_flags(ctx,op) \
557 SSL_CTX_ctrl((ctx),SSL_CTRL_CERT_FLAGS,(op),NULL)
558 # define SSL_set_cert_flags(s,op) \
559 SSL_ctrl((s),SSL_CTRL_CERT_FLAGS,(op),NULL)
560 # define SSL_CTX_clear_cert_flags(ctx,op) \
561 SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
562 # define SSL_clear_cert_flags(s,op) \
563 SSL_ctrl((s),SSL_CTRL_CLEAR_CERT_FLAGS,(op),NULL)
564
565 void SSL_CTX_set_msg_callback(SSL_CTX *ctx,
566 void (*cb) (int write_p, int version,
567 int content_type, const void *buf,
568 size_t len, SSL *ssl, void *arg));
569 void SSL_set_msg_callback(SSL *ssl,
570 void (*cb) (int write_p, int version,
571 int content_type, const void *buf,
572 size_t len, SSL *ssl, void *arg));
573 # define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
574 # define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
575
576 # define SSL_get_extms_support(s) \
577 SSL_ctrl((s),SSL_CTRL_GET_EXTMS_SUPPORT,0,NULL)
578
579 # ifndef OPENSSL_NO_SRP
580
581 /* see tls_srp.c */
582 __owur int SSL_SRP_CTX_init(SSL *s);
583 __owur int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx);
584 int SSL_SRP_CTX_free(SSL *ctx);
585 int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx);
586 __owur int SSL_srp_server_param_with_username(SSL *s, int *ad);
587 __owur int SRP_Calc_A_param(SSL *s);
588
589 # endif
590
591 /* 100k max cert list */
592 # define SSL_MAX_CERT_LIST_DEFAULT 1024*100
593
594 # define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT (1024*20)
595
596 /*
597 * This callback type is used inside SSL_CTX, SSL, and in the functions that
598 * set them. It is used to override the generation of SSL/TLS session IDs in
599 * a server. Return value should be zero on an error, non-zero to proceed.
600 * Also, callbacks should themselves check if the id they generate is unique
601 * otherwise the SSL handshake will fail with an error - callbacks can do
602 * this using the 'ssl' value they're passed by;
603 * SSL_has_matching_session_id(ssl, id, *id_len) The length value passed in
604 * is set at the maximum size the session ID can be. In SSLv3/TLSv1 it is 32
605 * bytes. The callback can alter this length to be less if desired. It is
606 * also an error for the callback to set the size to zero.
607 */
608 typedef int (*GEN_SESSION_CB) (const SSL *ssl, unsigned char *id,
609 unsigned int *id_len);
610
611 # define SSL_SESS_CACHE_OFF 0x0000
612 # define SSL_SESS_CACHE_CLIENT 0x0001
613 # define SSL_SESS_CACHE_SERVER 0x0002
614 # define SSL_SESS_CACHE_BOTH (SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER)
615 # define SSL_SESS_CACHE_NO_AUTO_CLEAR 0x0080
616 /* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
617 # define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP 0x0100
618 # define SSL_SESS_CACHE_NO_INTERNAL_STORE 0x0200
619 # define SSL_SESS_CACHE_NO_INTERNAL \
620 (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE)
621
622 LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx);
623 # define SSL_CTX_sess_number(ctx) \
624 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
625 # define SSL_CTX_sess_connect(ctx) \
626 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
627 # define SSL_CTX_sess_connect_good(ctx) \
628 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
629 # define SSL_CTX_sess_connect_renegotiate(ctx) \
630 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
631 # define SSL_CTX_sess_accept(ctx) \
632 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
633 # define SSL_CTX_sess_accept_renegotiate(ctx) \
634 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
635 # define SSL_CTX_sess_accept_good(ctx) \
636 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
637 # define SSL_CTX_sess_hits(ctx) \
638 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
639 # define SSL_CTX_sess_cb_hits(ctx) \
640 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
641 # define SSL_CTX_sess_misses(ctx) \
642 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
643 # define SSL_CTX_sess_timeouts(ctx) \
644 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
645 # define SSL_CTX_sess_cache_full(ctx) \
646 SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
647
648 void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
649 int (*new_session_cb) (struct ssl_st *ssl,
650 SSL_SESSION *sess));
651 int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx)) (struct ssl_st *ssl,
652 SSL_SESSION *sess);
653 void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
654 void (*remove_session_cb) (struct ssl_ctx_st
655 *ctx,
656 SSL_SESSION
657 *sess));
658 void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx)) (struct ssl_ctx_st *ctx,
659 SSL_SESSION *sess);
660 void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
661 SSL_SESSION *(*get_session_cb) (struct ssl_st
662 *ssl,
663 const unsigned char
664 *data, int len,
665 int *copy));
666 SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx)) (struct ssl_st *ssl,
667 const unsigned char *data,
668 int len, int *copy);
669 void SSL_CTX_set_info_callback(SSL_CTX *ctx,
670 void (*cb) (const SSL *ssl, int type,
671 int val));
672 void (*SSL_CTX_get_info_callback(SSL_CTX *ctx)) (const SSL *ssl, int type,
673 int val);
674 void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
675 int (*client_cert_cb) (SSL *ssl, X509 **x509,
676 EVP_PKEY **pkey));
677 int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx)) (SSL *ssl, X509 **x509,
678 EVP_PKEY **pkey);
679 # ifndef OPENSSL_NO_ENGINE
680 __owur int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e);
681 # endif
682 void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
683 int (*app_gen_cookie_cb) (SSL *ssl,
684 unsigned char
685 *cookie,
686 unsigned int
687 *cookie_len));
688 void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
689 int (*app_verify_cookie_cb) (SSL *ssl,
690 const unsigned char
691 *cookie,
692 unsigned int
693 cookie_len));
694 # ifndef OPENSSL_NO_NEXTPROTONEG
695
696 typedef int (*SSL_CTX_npn_advertised_cb_func)(SSL *ssl,
697 const unsigned char **out,
698 unsigned int *outlen,
699 void *arg);
700 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s,
701 SSL_CTX_npn_advertised_cb_func cb,
702 void *arg);
703 # define SSL_CTX_set_npn_advertised_cb SSL_CTX_set_next_protos_advertised_cb
704
705 typedef int (*SSL_CTX_npn_select_cb_func)(SSL *s,
706 unsigned char **out,
707 unsigned char *outlen,
708 const unsigned char *in,
709 unsigned int inlen,
710 void *arg);
711 void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s,
712 SSL_CTX_npn_select_cb_func cb,
713 void *arg);
714 # define SSL_CTX_set_npn_select_cb SSL_CTX_set_next_proto_select_cb
715
716 void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data,
717 unsigned *len);
718 # define SSL_get0_npn_negotiated SSL_get0_next_proto_negotiated
719 # endif
720
721 __owur int SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
722 const unsigned char *in, unsigned int inlen,
723 const unsigned char *client,
724 unsigned int client_len);
725
726 # define OPENSSL_NPN_UNSUPPORTED 0
727 # define OPENSSL_NPN_NEGOTIATED 1
728 # define OPENSSL_NPN_NO_OVERLAP 2
729
730 __owur int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos,
731 unsigned int protos_len);
732 __owur int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos,
733 unsigned int protos_len);
734 typedef int (*SSL_CTX_alpn_select_cb_func)(SSL *ssl,
735 const unsigned char **out,
736 unsigned char *outlen,
737 const unsigned char *in,
738 unsigned int inlen,
739 void *arg);
740 void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
741 SSL_CTX_alpn_select_cb_func cb,
742 void *arg);
743 void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
744 unsigned int *len);
745
746 # ifndef OPENSSL_NO_PSK
747 /*
748 * the maximum length of the buffer given to callbacks containing the
749 * resulting identity/psk
750 */
751 # define PSK_MAX_IDENTITY_LEN 128
752 # define PSK_MAX_PSK_LEN 256
753 typedef unsigned int (*SSL_psk_client_cb_func)(SSL *ssl,
754 const char *hint,
755 char *identity,
756 unsigned int max_identity_len,
757 unsigned char *psk,
758 unsigned int max_psk_len);
759 void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb);
760 void SSL_set_psk_client_callback(SSL *ssl, SSL_psk_client_cb_func cb);
761
762 typedef unsigned int (*SSL_psk_server_cb_func)(SSL *ssl,
763 const char *identity,
764 unsigned char *psk,
765 unsigned int max_psk_len);
766 void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb);
767 void SSL_set_psk_server_callback(SSL *ssl, SSL_psk_server_cb_func cb);
768
769 __owur int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint);
770 __owur int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint);
771 const char *SSL_get_psk_identity_hint(const SSL *s);
772 const char *SSL_get_psk_identity(const SSL *s);
773 # endif
774
775 /* Register callbacks to handle custom TLS Extensions for client or server. */
776
777 __owur int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx,
778 unsigned int ext_type);
779
780 __owur int SSL_CTX_add_client_custom_ext(SSL_CTX *ctx, unsigned int ext_type,
781 custom_ext_add_cb add_cb,
782 custom_ext_free_cb free_cb,
783 void *add_arg,
784 custom_ext_parse_cb parse_cb,
785 void *parse_arg);
786
787 __owur int SSL_CTX_add_server_custom_ext(SSL_CTX *ctx, unsigned int ext_type,
788 custom_ext_add_cb add_cb,
789 custom_ext_free_cb free_cb,
790 void *add_arg,
791 custom_ext_parse_cb parse_cb,
792 void *parse_arg);
793
794 __owur int SSL_CTX_add_custom_ext(SSL_CTX *ctx, unsigned int ext_type,
795 unsigned int context,
796 SSL_custom_ext_add_cb_ex add_cb,
797 SSL_custom_ext_free_cb_ex free_cb,
798 void *add_arg,
799 SSL_custom_ext_parse_cb_ex parse_cb,
800 void *parse_arg);
801
802 __owur int SSL_extension_supported(unsigned int ext_type);
803
804 # define SSL_NOTHING 1
805 # define SSL_WRITING 2
806 # define SSL_READING 3
807 # define SSL_X509_LOOKUP 4
808 # define SSL_ASYNC_PAUSED 5
809 # define SSL_ASYNC_NO_JOBS 6
810 # define SSL_EARLY_WORK 7
811
812 /* These will only be used when doing non-blocking IO */
813 # define SSL_want_nothing(s) (SSL_want(s) == SSL_NOTHING)
814 # define SSL_want_read(s) (SSL_want(s) == SSL_READING)
815 # define SSL_want_write(s) (SSL_want(s) == SSL_WRITING)
816 # define SSL_want_x509_lookup(s) (SSL_want(s) == SSL_X509_LOOKUP)
817 # define SSL_want_async(s) (SSL_want(s) == SSL_ASYNC_PAUSED)
818 # define SSL_want_async_job(s) (SSL_want(s) == SSL_ASYNC_NO_JOBS)
819 # define SSL_want_early(s) (SSL_want(s) == SSL_EARLY_WORK)
820
821 # define SSL_MAC_FLAG_READ_MAC_STREAM 1
822 # define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
823
824 /*
825 * A callback for logging out TLS key material. This callback should log out
826 * |line| followed by a newline.
827 */
828 typedef void (*SSL_CTX_keylog_cb_func)(const SSL *ssl, const char *line);
829
830 /*
831 * SSL_CTX_set_keylog_callback configures a callback to log key material. This
832 * is intended for debugging use with tools like Wireshark. The cb function
833 * should log line followed by a newline.
834 */
835 void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb);
836
837 /*
838 * SSL_CTX_get_keylog_callback returns the callback configured by
839 * SSL_CTX_set_keylog_callback.
840 */
841 SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx);
842
843 int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data);
844 uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx);
845 int SSL_set_max_early_data(SSL *s, uint32_t max_early_data);
846 uint32_t SSL_get_max_early_data(const SSL *s);
847
848 #ifdef __cplusplus
849 }
850 #endif
851
852 # include <openssl/ssl2.h>
853 # include <openssl/ssl3.h>
854 # include <openssl/tls1.h> /* This is mostly sslv3 with a few tweaks */
855 # include <openssl/dtls1.h> /* Datagram TLS */
856 # include <openssl/srtp.h> /* Support for the use_srtp extension */
857
858 #ifdef __cplusplus
859 extern "C" {
860 #endif
861
862 /*
863 * These need to be after the above set of includes due to a compiler bug
864 * in VisualStudio 2015
865 */
866 DEFINE_STACK_OF_CONST(SSL_CIPHER)
867 DEFINE_STACK_OF(SSL_COMP)
868
869 /* compatibility */
870 # define SSL_set_app_data(s,arg) (SSL_set_ex_data(s,0,(char *)(arg)))
871 # define SSL_get_app_data(s) (SSL_get_ex_data(s,0))
872 # define SSL_SESSION_set_app_data(s,a) (SSL_SESSION_set_ex_data(s,0, \
873 (char *)(a)))
874 # define SSL_SESSION_get_app_data(s) (SSL_SESSION_get_ex_data(s,0))
875 # define SSL_CTX_get_app_data(ctx) (SSL_CTX_get_ex_data(ctx,0))
876 # define SSL_CTX_set_app_data(ctx,arg) (SSL_CTX_set_ex_data(ctx,0, \
877 (char *)(arg)))
878 DEPRECATEDIN_1_1_0(void SSL_set_debug(SSL *s, int debug))
879
880 /* TLSv1.3 KeyUpdate message types */
881 /* -1 used so that this is an invalid value for the on-the-wire protocol */
882 #define SSL_KEY_UPDATE_NONE -1
883 /* Values as defined for the on-the-wire protocol */
884 #define SSL_KEY_UPDATE_NOT_REQUESTED 0
885 #define SSL_KEY_UPDATE_REQUESTED 1
886
887 /*
888 * The valid handshake states (one for each type message sent and one for each
889 * type of message received). There are also two "special" states:
890 * TLS = TLS or DTLS state
891 * DTLS = DTLS specific state
892 * CR/SR = Client Read/Server Read
893 * CW/SW = Client Write/Server Write
894 *
895 * The "special" states are:
896 * TLS_ST_BEFORE = No handshake has been initiated yet
897 * TLS_ST_OK = A handshake has been successfully completed
898 */
899 typedef enum {
900 TLS_ST_BEFORE,
901 TLS_ST_OK,
902 DTLS_ST_CR_HELLO_VERIFY_REQUEST,
903 TLS_ST_CR_SRVR_HELLO,
904 TLS_ST_CR_CERT,
905 TLS_ST_CR_CERT_STATUS,
906 TLS_ST_CR_KEY_EXCH,
907 TLS_ST_CR_CERT_REQ,
908 TLS_ST_CR_SRVR_DONE,
909 TLS_ST_CR_SESSION_TICKET,
910 TLS_ST_CR_CHANGE,
911 TLS_ST_CR_FINISHED,
912 TLS_ST_CW_CLNT_HELLO,
913 TLS_ST_CW_CERT,
914 TLS_ST_CW_KEY_EXCH,
915 TLS_ST_CW_CERT_VRFY,
916 TLS_ST_CW_CHANGE,
917 TLS_ST_CW_NEXT_PROTO,
918 TLS_ST_CW_FINISHED,
919 TLS_ST_SW_HELLO_REQ,
920 TLS_ST_SR_CLNT_HELLO,
921 DTLS_ST_SW_HELLO_VERIFY_REQUEST,
922 TLS_ST_SW_SRVR_HELLO,
923 TLS_ST_SW_CERT,
924 TLS_ST_SW_KEY_EXCH,
925 TLS_ST_SW_CERT_REQ,
926 TLS_ST_SW_SRVR_DONE,
927 TLS_ST_SR_CERT,
928 TLS_ST_SR_KEY_EXCH,
929 TLS_ST_SR_CERT_VRFY,
930 TLS_ST_SR_NEXT_PROTO,
931 TLS_ST_SR_CHANGE,
932 TLS_ST_SR_FINISHED,
933 TLS_ST_SW_SESSION_TICKET,
934 TLS_ST_SW_CERT_STATUS,
935 TLS_ST_SW_CHANGE,
936 TLS_ST_SW_FINISHED,
937 TLS_ST_SW_ENCRYPTED_EXTENSIONS,
938 TLS_ST_CR_ENCRYPTED_EXTENSIONS,
939 TLS_ST_CR_CERT_VRFY,
940 TLS_ST_SW_CERT_VRFY,
941 TLS_ST_CR_HELLO_REQ,
942 TLS_ST_SW_HELLO_RETRY_REQUEST,
943 TLS_ST_CR_HELLO_RETRY_REQUEST,
944 TLS_ST_SW_KEY_UPDATE,
945 TLS_ST_CW_KEY_UPDATE,
946 TLS_ST_SR_KEY_UPDATE,
947 TLS_ST_CR_KEY_UPDATE,
948 TLS_ST_EARLY_DATA,
949 TLS_ST_PENDING_EARLY_DATA_END,
950 TLS_ST_CW_END_OF_EARLY_DATA,
951 TLS_ST_SR_END_OF_EARLY_DATA
952 } OSSL_HANDSHAKE_STATE;
953
954 /*
955 * Most of the following state values are no longer used and are defined to be
956 * the closest equivalent value in the current state machine code. Not all
957 * defines have an equivalent and are set to a dummy value (-1). SSL_ST_CONNECT
958 * and SSL_ST_ACCEPT are still in use in the definition of SSL_CB_ACCEPT_LOOP,
959 * SSL_CB_ACCEPT_EXIT, SSL_CB_CONNECT_LOOP and SSL_CB_CONNECT_EXIT.
960 */
961
962 # define SSL_ST_CONNECT 0x1000
963 # define SSL_ST_ACCEPT 0x2000
964
965 # define SSL_ST_MASK 0x0FFF
966
967 # define SSL_CB_LOOP 0x01
968 # define SSL_CB_EXIT 0x02
969 # define SSL_CB_READ 0x04
970 # define SSL_CB_WRITE 0x08
971 # define SSL_CB_ALERT 0x4000/* used in callback */
972 # define SSL_CB_READ_ALERT (SSL_CB_ALERT|SSL_CB_READ)
973 # define SSL_CB_WRITE_ALERT (SSL_CB_ALERT|SSL_CB_WRITE)
974 # define SSL_CB_ACCEPT_LOOP (SSL_ST_ACCEPT|SSL_CB_LOOP)
975 # define SSL_CB_ACCEPT_EXIT (SSL_ST_ACCEPT|SSL_CB_EXIT)
976 # define SSL_CB_CONNECT_LOOP (SSL_ST_CONNECT|SSL_CB_LOOP)
977 # define SSL_CB_CONNECT_EXIT (SSL_ST_CONNECT|SSL_CB_EXIT)
978 # define SSL_CB_HANDSHAKE_START 0x10
979 # define SSL_CB_HANDSHAKE_DONE 0x20
980
981 /* Is the SSL_connection established? */
982 # define SSL_in_connect_init(a) (SSL_in_init(a) && !SSL_is_server(a))
983 # define SSL_in_accept_init(a) (SSL_in_init(a) && SSL_is_server(a))
984 int SSL_in_init(SSL *s);
985 int SSL_in_before(SSL *s);
986 int SSL_is_init_finished(SSL *s);
987
988 /*
989 * The following 3 states are kept in ssl->rlayer.rstate when reads fail, you
990 * should not need these
991 */
992 # define SSL_ST_READ_HEADER 0xF0
993 # define SSL_ST_READ_BODY 0xF1
994 # define SSL_ST_READ_DONE 0xF2
995
996 /*-
997 * Obtain latest Finished message
998 * -- that we sent (SSL_get_finished)
999 * -- that we expected from peer (SSL_get_peer_finished).
1000 * Returns length (0 == no Finished so far), copies up to 'count' bytes.
1001 */
1002 size_t SSL_get_finished(const SSL *s, void *buf, size_t count);
1003 size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count);
1004
1005 /*
1006 * use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 2 options are
1007 * 'ored' with SSL_VERIFY_PEER if they are desired
1008 */
1009 # define SSL_VERIFY_NONE 0x00
1010 # define SSL_VERIFY_PEER 0x01
1011 # define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02
1012 # define SSL_VERIFY_CLIENT_ONCE 0x04
1013
1014 # define OpenSSL_add_ssl_algorithms() SSL_library_init()
1015 # if OPENSSL_API_COMPAT < 0x10100000L
1016 # define SSLeay_add_ssl_algorithms() SSL_library_init()
1017 # endif
1018
1019 /* More backward compatibility */
1020 # define SSL_get_cipher(s) \
1021 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1022 # define SSL_get_cipher_bits(s,np) \
1023 SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
1024 # define SSL_get_cipher_version(s) \
1025 SSL_CIPHER_get_version(SSL_get_current_cipher(s))
1026 # define SSL_get_cipher_name(s) \
1027 SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1028 # define SSL_get_time(a) SSL_SESSION_get_time(a)
1029 # define SSL_set_time(a,b) SSL_SESSION_set_time((a),(b))
1030 # define SSL_get_timeout(a) SSL_SESSION_get_timeout(a)
1031 # define SSL_set_timeout(a,b) SSL_SESSION_set_timeout((a),(b))
1032
1033 # define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
1034 # define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
1035
1036 DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION)
1037 # define SSL_AD_REASON_OFFSET 1000/* offset to get SSL_R_... value
1038 * from SSL_AD_... */
1039 /* These alert types are for SSLv3 and TLSv1 */
1040 # define SSL_AD_CLOSE_NOTIFY SSL3_AD_CLOSE_NOTIFY
1041 /* fatal */
1042 # define SSL_AD_UNEXPECTED_MESSAGE SSL3_AD_UNEXPECTED_MESSAGE
1043 /* fatal */
1044 # define SSL_AD_BAD_RECORD_MAC SSL3_AD_BAD_RECORD_MAC
1045 # define SSL_AD_DECRYPTION_FAILED TLS1_AD_DECRYPTION_FAILED
1046 # define SSL_AD_RECORD_OVERFLOW TLS1_AD_RECORD_OVERFLOW
1047 /* fatal */
1048 # define SSL_AD_DECOMPRESSION_FAILURE SSL3_AD_DECOMPRESSION_FAILURE
1049 /* fatal */
1050 # define SSL_AD_HANDSHAKE_FAILURE SSL3_AD_HANDSHAKE_FAILURE
1051 /* Not for TLS */
1052 # define SSL_AD_NO_CERTIFICATE SSL3_AD_NO_CERTIFICATE
1053 # define SSL_AD_BAD_CERTIFICATE SSL3_AD_BAD_CERTIFICATE
1054 # define SSL_AD_UNSUPPORTED_CERTIFICATE SSL3_AD_UNSUPPORTED_CERTIFICATE
1055 # define SSL_AD_CERTIFICATE_REVOKED SSL3_AD_CERTIFICATE_REVOKED
1056 # define SSL_AD_CERTIFICATE_EXPIRED SSL3_AD_CERTIFICATE_EXPIRED
1057 # define SSL_AD_CERTIFICATE_UNKNOWN SSL3_AD_CERTIFICATE_UNKNOWN
1058 /* fatal */
1059 # define SSL_AD_ILLEGAL_PARAMETER SSL3_AD_ILLEGAL_PARAMETER
1060 /* fatal */
1061 # define SSL_AD_UNKNOWN_CA TLS1_AD_UNKNOWN_CA
1062 /* fatal */
1063 # define SSL_AD_ACCESS_DENIED TLS1_AD_ACCESS_DENIED
1064 /* fatal */
1065 # define SSL_AD_DECODE_ERROR TLS1_AD_DECODE_ERROR
1066 # define SSL_AD_DECRYPT_ERROR TLS1_AD_DECRYPT_ERROR
1067 /* fatal */
1068 # define SSL_AD_EXPORT_RESTRICTION TLS1_AD_EXPORT_RESTRICTION
1069 /* fatal */
1070 # define SSL_AD_PROTOCOL_VERSION TLS1_AD_PROTOCOL_VERSION
1071 /* fatal */
1072 # define SSL_AD_INSUFFICIENT_SECURITY TLS1_AD_INSUFFICIENT_SECURITY
1073 /* fatal */
1074 # define SSL_AD_INTERNAL_ERROR TLS1_AD_INTERNAL_ERROR
1075 # define SSL_AD_USER_CANCELLED TLS1_AD_USER_CANCELLED
1076 # define SSL_AD_NO_RENEGOTIATION TLS1_AD_NO_RENEGOTIATION
1077 # define SSL_AD_MISSING_EXTENSION TLS13_AD_MISSING_EXTENSION
1078 # define SSL_AD_CERTIFICATE_REQUIRED TLS13_AD_CERTIFICATE_REQUIRED
1079 # define SSL_AD_UNSUPPORTED_EXTENSION TLS1_AD_UNSUPPORTED_EXTENSION
1080 # define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE
1081 # define SSL_AD_UNRECOGNIZED_NAME TLS1_AD_UNRECOGNIZED_NAME
1082 # define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
1083 # define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
1084 /* fatal */
1085 # define SSL_AD_UNKNOWN_PSK_IDENTITY TLS1_AD_UNKNOWN_PSK_IDENTITY
1086 /* fatal */
1087 # define SSL_AD_INAPPROPRIATE_FALLBACK TLS1_AD_INAPPROPRIATE_FALLBACK
1088 # define SSL_AD_NO_APPLICATION_PROTOCOL TLS1_AD_NO_APPLICATION_PROTOCOL
1089 # define SSL_ERROR_NONE 0
1090 # define SSL_ERROR_SSL 1
1091 # define SSL_ERROR_WANT_READ 2
1092 # define SSL_ERROR_WANT_WRITE 3
1093 # define SSL_ERROR_WANT_X509_LOOKUP 4
1094 # define SSL_ERROR_SYSCALL 5/* look at error stack/return
1095 * value/errno */
1096 # define SSL_ERROR_ZERO_RETURN 6
1097 # define SSL_ERROR_WANT_CONNECT 7
1098 # define SSL_ERROR_WANT_ACCEPT 8
1099 # define SSL_ERROR_WANT_ASYNC 9
1100 # define SSL_ERROR_WANT_ASYNC_JOB 10
1101 # define SSL_ERROR_WANT_EARLY 11
1102 # define SSL_CTRL_SET_TMP_DH 3
1103 # define SSL_CTRL_SET_TMP_ECDH 4
1104 # define SSL_CTRL_SET_TMP_DH_CB 6
1105 # define SSL_CTRL_GET_CLIENT_CERT_REQUEST 9
1106 # define SSL_CTRL_GET_NUM_RENEGOTIATIONS 10
1107 # define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS 11
1108 # define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS 12
1109 # define SSL_CTRL_GET_FLAGS 13
1110 # define SSL_CTRL_EXTRA_CHAIN_CERT 14
1111 # define SSL_CTRL_SET_MSG_CALLBACK 15
1112 # define SSL_CTRL_SET_MSG_CALLBACK_ARG 16
1113 /* only applies to datagram connections */
1114 # define SSL_CTRL_SET_MTU 17
1115 /* Stats */
1116 # define SSL_CTRL_SESS_NUMBER 20
1117 # define SSL_CTRL_SESS_CONNECT 21
1118 # define SSL_CTRL_SESS_CONNECT_GOOD 22
1119 # define SSL_CTRL_SESS_CONNECT_RENEGOTIATE 23
1120 # define SSL_CTRL_SESS_ACCEPT 24
1121 # define SSL_CTRL_SESS_ACCEPT_GOOD 25
1122 # define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE 26
1123 # define SSL_CTRL_SESS_HIT 27
1124 # define SSL_CTRL_SESS_CB_HIT 28
1125 # define SSL_CTRL_SESS_MISSES 29
1126 # define SSL_CTRL_SESS_TIMEOUTS 30
1127 # define SSL_CTRL_SESS_CACHE_FULL 31
1128 # define SSL_CTRL_MODE 33
1129 # define SSL_CTRL_GET_READ_AHEAD 40
1130 # define SSL_CTRL_SET_READ_AHEAD 41
1131 # define SSL_CTRL_SET_SESS_CACHE_SIZE 42
1132 # define SSL_CTRL_GET_SESS_CACHE_SIZE 43
1133 # define SSL_CTRL_SET_SESS_CACHE_MODE 44
1134 # define SSL_CTRL_GET_SESS_CACHE_MODE 45
1135 # define SSL_CTRL_GET_MAX_CERT_LIST 50
1136 # define SSL_CTRL_SET_MAX_CERT_LIST 51
1137 # define SSL_CTRL_SET_MAX_SEND_FRAGMENT 52
1138 /* see tls1.h for macros based on these */
1139 # define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB 53
1140 # define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG 54
1141 # define SSL_CTRL_SET_TLSEXT_HOSTNAME 55
1142 # define SSL_CTRL_SET_TLSEXT_DEBUG_CB 56
1143 # define SSL_CTRL_SET_TLSEXT_DEBUG_ARG 57
1144 # define SSL_CTRL_GET_TLSEXT_TICKET_KEYS 58
1145 # define SSL_CTRL_SET_TLSEXT_TICKET_KEYS 59
1146 /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT 60 */
1147 /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB 61 */
1148 /*# define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB_ARG 62 */
1149 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB 63
1150 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG 64
1151 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE 65
1152 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS 66
1153 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS 67
1154 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS 68
1155 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS 69
1156 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP 70
1157 # define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP 71
1158 # define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB 72
1159 # define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB 75
1160 # define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB 76
1161 # define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB 77
1162 # define SSL_CTRL_SET_SRP_ARG 78
1163 # define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME 79
1164 # define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH 80
1165 # define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD 81
1166 # ifndef OPENSSL_NO_HEARTBEATS
1167 # define SSL_CTRL_DTLS_EXT_SEND_HEARTBEAT 85
1168 # define SSL_CTRL_GET_DTLS_EXT_HEARTBEAT_PENDING 86
1169 # define SSL_CTRL_SET_DTLS_EXT_HEARTBEAT_NO_REQUESTS 87
1170 # endif
1171 # define DTLS_CTRL_GET_TIMEOUT 73
1172 # define DTLS_CTRL_HANDLE_TIMEOUT 74
1173 # define SSL_CTRL_GET_RI_SUPPORT 76
1174 # define SSL_CTRL_CLEAR_MODE 78
1175 # define SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB 79
1176 # define SSL_CTRL_GET_EXTRA_CHAIN_CERTS 82
1177 # define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS 83
1178 # define SSL_CTRL_CHAIN 88
1179 # define SSL_CTRL_CHAIN_CERT 89
1180 # define SSL_CTRL_GET_GROUPS 90
1181 # define SSL_CTRL_SET_GROUPS 91
1182 # define SSL_CTRL_SET_GROUPS_LIST 92
1183 # define SSL_CTRL_GET_SHARED_GROUP 93
1184 # define SSL_CTRL_SET_SIGALGS 97
1185 # define SSL_CTRL_SET_SIGALGS_LIST 98
1186 # define SSL_CTRL_CERT_FLAGS 99
1187 # define SSL_CTRL_CLEAR_CERT_FLAGS 100
1188 # define SSL_CTRL_SET_CLIENT_SIGALGS 101
1189 # define SSL_CTRL_SET_CLIENT_SIGALGS_LIST 102
1190 # define SSL_CTRL_GET_CLIENT_CERT_TYPES 103
1191 # define SSL_CTRL_SET_CLIENT_CERT_TYPES 104
1192 # define SSL_CTRL_BUILD_CERT_CHAIN 105
1193 # define SSL_CTRL_SET_VERIFY_CERT_STORE 106
1194 # define SSL_CTRL_SET_CHAIN_CERT_STORE 107
1195 # define SSL_CTRL_GET_PEER_SIGNATURE_NID 108
1196 # define SSL_CTRL_GET_SERVER_TMP_KEY 109
1197 # define SSL_CTRL_GET_RAW_CIPHERLIST 110
1198 # define SSL_CTRL_GET_EC_POINT_FORMATS 111
1199 # define SSL_CTRL_GET_CHAIN_CERTS 115
1200 # define SSL_CTRL_SELECT_CURRENT_CERT 116
1201 # define SSL_CTRL_SET_CURRENT_CERT 117
1202 # define SSL_CTRL_SET_DH_AUTO 118
1203 # define DTLS_CTRL_SET_LINK_MTU 120
1204 # define DTLS_CTRL_GET_LINK_MIN_MTU 121
1205 # define SSL_CTRL_GET_EXTMS_SUPPORT 122
1206 # define SSL_CTRL_SET_MIN_PROTO_VERSION 123
1207 # define SSL_CTRL_SET_MAX_PROTO_VERSION 124
1208 # define SSL_CTRL_SET_SPLIT_SEND_FRAGMENT 125
1209 # define SSL_CTRL_SET_MAX_PIPELINES 126
1210 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE 127
1211 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB 128
1212 # define SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG 129
1213 # define SSL_CERT_SET_FIRST 1
1214 # define SSL_CERT_SET_NEXT 2
1215 # define SSL_CERT_SET_SERVER 3
1216 # define DTLSv1_get_timeout(ssl, arg) \
1217 SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)(arg))
1218 # define DTLSv1_handle_timeout(ssl) \
1219 SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
1220 # define SSL_num_renegotiations(ssl) \
1221 SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1222 # define SSL_clear_num_renegotiations(ssl) \
1223 SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1224 # define SSL_total_renegotiations(ssl) \
1225 SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1226 # define SSL_CTX_set_tmp_dh(ctx,dh) \
1227 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1228 # define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1229 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1230 # define SSL_CTX_set_dh_auto(ctx, onoff) \
1231 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1232 # define SSL_set_dh_auto(s, onoff) \
1233 SSL_ctrl(s,SSL_CTRL_SET_DH_AUTO,onoff,NULL)
1234 # define SSL_set_tmp_dh(ssl,dh) \
1235 SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)(dh))
1236 # define SSL_set_tmp_ecdh(ssl,ecdh) \
1237 SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)(ecdh))
1238 # define SSL_CTX_add_extra_chain_cert(ctx,x509) \
1239 SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)(x509))
1240 # define SSL_CTX_get_extra_chain_certs(ctx,px509) \
1241 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
1242 # define SSL_CTX_get_extra_chain_certs_only(ctx,px509) \
1243 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,1,px509)
1244 # define SSL_CTX_clear_extra_chain_certs(ctx) \
1245 SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
1246 # define SSL_CTX_set0_chain(ctx,sk) \
1247 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)(sk))
1248 # define SSL_CTX_set1_chain(ctx,sk) \
1249 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)(sk))
1250 # define SSL_CTX_add0_chain_cert(ctx,x509) \
1251 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1252 # define SSL_CTX_add1_chain_cert(ctx,x509) \
1253 SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1254 # define SSL_CTX_get0_chain_certs(ctx,px509) \
1255 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1256 # define SSL_CTX_clear_chain_certs(ctx) \
1257 SSL_CTX_set0_chain(ctx,NULL)
1258 # define SSL_CTX_build_cert_chain(ctx, flags) \
1259 SSL_CTX_ctrl(ctx,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1260 # define SSL_CTX_select_current_cert(ctx,x509) \
1261 SSL_CTX_ctrl(ctx,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1262 # define SSL_CTX_set_current_cert(ctx, op) \
1263 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1264 # define SSL_CTX_set0_verify_cert_store(ctx,st) \
1265 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1266 # define SSL_CTX_set1_verify_cert_store(ctx,st) \
1267 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1268 # define SSL_CTX_set0_chain_cert_store(ctx,st) \
1269 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1270 # define SSL_CTX_set1_chain_cert_store(ctx,st) \
1271 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1272 # define SSL_set0_chain(ctx,sk) \
1273 SSL_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)(sk))
1274 # define SSL_set1_chain(ctx,sk) \
1275 SSL_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)(sk))
1276 # define SSL_add0_chain_cert(ctx,x509) \
1277 SSL_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)(x509))
1278 # define SSL_add1_chain_cert(ctx,x509) \
1279 SSL_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)(x509))
1280 # define SSL_get0_chain_certs(ctx,px509) \
1281 SSL_ctrl(ctx,SSL_CTRL_GET_CHAIN_CERTS,0,px509)
1282 # define SSL_clear_chain_certs(ctx) \
1283 SSL_set0_chain(ctx,NULL)
1284 # define SSL_build_cert_chain(s, flags) \
1285 SSL_ctrl(s,SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL)
1286 # define SSL_select_current_cert(ctx,x509) \
1287 SSL_ctrl(ctx,SSL_CTRL_SELECT_CURRENT_CERT,0,(char *)(x509))
1288 # define SSL_set_current_cert(ctx,op) \
1289 SSL_ctrl(ctx,SSL_CTRL_SET_CURRENT_CERT, op, NULL)
1290 # define SSL_set0_verify_cert_store(s,st) \
1291 SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,0,(char *)(st))
1292 # define SSL_set1_verify_cert_store(s,st) \
1293 SSL_ctrl(s,SSL_CTRL_SET_VERIFY_CERT_STORE,1,(char *)(st))
1294 # define SSL_set0_chain_cert_store(s,st) \
1295 SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,0,(char *)(st))
1296 # define SSL_set1_chain_cert_store(s,st) \
1297 SSL_ctrl(s,SSL_CTRL_SET_CHAIN_CERT_STORE,1,(char *)(st))
1298 # define SSL_get1_groups(ctx, s) \
1299 SSL_ctrl(ctx,SSL_CTRL_GET_GROUPS,0,(char *)(s))
1300 # define SSL_get1_curves(ctx, s) \
1301 SSL_get1_groups((ctx), (s))
1302 # define SSL_CTX_set1_groups(ctx, glist, glistlen) \
1303 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS,glistlen,(char *)(glist))
1304 # define SSL_CTX_set1_groups_list(ctx, s) \
1305 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(s))
1306 # define SSL_CTX_set1_curves(ctx, clist, clistlen) \
1307 SSL_CTX_set1_groups((ctx), (clist), (clistlen))
1308 # define SSL_CTX_set1_curves_list(ctx, s) \
1309 SSL_CTX_set1_groups_list((ctx), (s))
1310 # define SSL_set1_groups(ctx, glist, glistlen) \
1311 SSL_ctrl(ctx,SSL_CTRL_SET_GROUPS,glistlen,(char *)(glist))
1312 # define SSL_set1_groups_list(ctx, s) \
1313 SSL_ctrl(ctx,SSL_CTRL_SET_GROUPS_LIST,0,(char *)(s))
1314 # define SSL_set1_curves(ctx, clist, clistlen) \
1315 SSL_set1_groups((ctx), (clist), (clistlen))
1316 # define SSL_set1_curves_list(ctx, s) \
1317 SSL_set1_groups_list((ctx), (s))
1318 # define SSL_get_shared_group(s, n) \
1319 SSL_ctrl(s,SSL_CTRL_GET_SHARED_GROUP,n,NULL)
1320 # define SSL_get_shared_curve(s, n) \
1321 SSL_get_shared_group((s), (n))
1322 # define SSL_CTX_set1_sigalgs(ctx, slist, slistlen) \
1323 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1324 # define SSL_CTX_set1_sigalgs_list(ctx, s) \
1325 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(s))
1326 # define SSL_set1_sigalgs(ctx, slist, slistlen) \
1327 SSL_ctrl(ctx,SSL_CTRL_SET_SIGALGS,slistlen,(int *)(slist))
1328 # define SSL_set1_sigalgs_list(ctx, s) \
1329 SSL_ctrl(ctx,SSL_CTRL_SET_SIGALGS_LIST,0,(char *)(s))
1330 # define SSL_CTX_set1_client_sigalgs(ctx, slist, slistlen) \
1331 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS,slistlen,(int *)(slist))
1332 # define SSL_CTX_set1_client_sigalgs_list(ctx, s) \
1333 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(s))
1334 # define SSL_set1_client_sigalgs(ctx, slist, slistlen) \
1335 SSL_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS,clistlen,(int *)(slist))
1336 # define SSL_set1_client_sigalgs_list(ctx, s) \
1337 SSL_ctrl(ctx,SSL_CTRL_SET_CLIENT_SIGALGS_LIST,0,(char *)(s))
1338 # define SSL_get0_certificate_types(s, clist) \
1339 SSL_ctrl(s, SSL_CTRL_GET_CLIENT_CERT_TYPES, 0, (char *)(clist))
1340 # define SSL_CTX_set1_client_certificate_types(ctx, clist, clistlen) \
1341 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen, \
1342 (char *)(clist))
1343 # define SSL_set1_client_certificate_types(s, clist, clistlen) \
1344 SSL_ctrl(s,SSL_CTRL_SET_CLIENT_CERT_TYPES,clistlen,(char *)(clist))
1345 # define SSL_get_peer_signature_nid(s, pn) \
1346 SSL_ctrl(s,SSL_CTRL_GET_PEER_SIGNATURE_NID,0,pn)
1347 # define SSL_get_server_tmp_key(s, pk) \
1348 SSL_ctrl(s,SSL_CTRL_GET_SERVER_TMP_KEY,0,pk)
1349 # define SSL_get0_raw_cipherlist(s, plst) \
1350 SSL_ctrl(s,SSL_CTRL_GET_RAW_CIPHERLIST,0,plst)
1351 # define SSL_get0_ec_point_formats(s, plst) \
1352 SSL_ctrl(s,SSL_CTRL_GET_EC_POINT_FORMATS,0,plst)
1353 #define SSL_CTX_set_min_proto_version(ctx, version) \
1354 SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1355 #define SSL_CTX_set_max_proto_version(ctx, version) \
1356 SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1357 #define SSL_set_min_proto_version(s, version) \
1358 SSL_ctrl(s, SSL_CTRL_SET_MIN_PROTO_VERSION, version, NULL)
1359 #define SSL_set_max_proto_version(s, version) \
1360 SSL_ctrl(s, SSL_CTRL_SET_MAX_PROTO_VERSION, version, NULL)
1361
1362 #if OPENSSL_API_COMPAT < 0x10100000L
1363 /* Provide some compatibility macros for removed functionality. */
1364 # define SSL_CTX_need_tmp_RSA(ctx) 0
1365 # define SSL_CTX_set_tmp_rsa(ctx,rsa) 1
1366 # define SSL_need_tmp_RSA(ssl) 0
1367 # define SSL_set_tmp_rsa(ssl,rsa) 1
1368 # define SSL_CTX_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1369 # define SSL_set_ecdh_auto(dummy, onoff) ((onoff) != 0)
1370 /*
1371 * We "pretend" to call the callback to avoid warnings about unused static
1372 * functions.
1373 */
1374 # define SSL_CTX_set_tmp_rsa_callback(ctx, cb) while(0) (cb)(NULL, 0, 0)
1375 # define SSL_set_tmp_rsa_callback(ssl, cb) while(0) (cb)(NULL, 0, 0)
1376 #endif
1377
1378 __owur const BIO_METHOD *BIO_f_ssl(void);
1379 __owur BIO *BIO_new_ssl(SSL_CTX *ctx, int client);
1380 __owur BIO *BIO_new_ssl_connect(SSL_CTX *ctx);
1381 __owur BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx);
1382 __owur int BIO_ssl_copy_session_id(BIO *to, BIO *from);
1383 void BIO_ssl_shutdown(BIO *ssl_bio);
1384
1385 __owur int SSL_CTX_set_cipher_list(SSL_CTX *, const char *str);
1386 __owur SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth);
1387 int SSL_CTX_up_ref(SSL_CTX *ctx);
1388 void SSL_CTX_free(SSL_CTX *);
1389 __owur long SSL_CTX_set_timeout(SSL_CTX *ctx, long t);
1390 __owur long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1391 __owur X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *);
1392 void SSL_CTX_set_cert_store(SSL_CTX *, X509_STORE *);
1393 void SSL_CTX_set1_cert_store(SSL_CTX *, X509_STORE *);
1394 __owur int SSL_want(const SSL *s);
1395 __owur int SSL_clear(SSL *s);
1396
1397 void SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
1398
1399 __owur const SSL_CIPHER *SSL_get_current_cipher(const SSL *s);
1400 __owur int SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits);
1401 __owur const char *SSL_CIPHER_get_version(const SSL_CIPHER *c);
1402 __owur const char *SSL_CIPHER_get_name(const SSL_CIPHER *c);
1403 __owur uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c);
1404 __owur int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c);
1405 __owur int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c);
1406 __owur int SSL_CIPHER_is_aead(const SSL_CIPHER *c);
1407
1408 __owur int SSL_get_fd(const SSL *s);
1409 __owur int SSL_get_rfd(const SSL *s);
1410 __owur int SSL_get_wfd(const SSL *s);
1411 __owur const char *SSL_get_cipher_list(const SSL *s, int n);
1412 __owur char *SSL_get_shared_ciphers(const SSL *s, char *buf, int len);
1413 __owur int SSL_get_read_ahead(const SSL *s);
1414 __owur int SSL_pending(const SSL *s);
1415 __owur int SSL_has_pending(const SSL *s);
1416 # ifndef OPENSSL_NO_SOCK
1417 __owur int SSL_set_fd(SSL *s, int fd);
1418 __owur int SSL_set_rfd(SSL *s, int fd);
1419 __owur int SSL_set_wfd(SSL *s, int fd);
1420 # endif
1421 void SSL_set0_rbio(SSL *s, BIO *rbio);
1422 void SSL_set0_wbio(SSL *s, BIO *wbio);
1423 void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio);
1424 __owur BIO *SSL_get_rbio(const SSL *s);
1425 __owur BIO *SSL_get_wbio(const SSL *s);
1426 __owur int SSL_set_cipher_list(SSL *s, const char *str);
1427 void SSL_set_read_ahead(SSL *s, int yes);
1428 __owur int SSL_get_verify_mode(const SSL *s);
1429 __owur int SSL_get_verify_depth(const SSL *s);
1430 __owur SSL_verify_cb SSL_get_verify_callback(const SSL *s);
1431 void SSL_set_verify(SSL *s, int mode, SSL_verify_cb callback);
1432 void SSL_set_verify_depth(SSL *s, int depth);
1433 void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg);
1434 # ifndef OPENSSL_NO_RSA
1435 __owur int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
1436 __owur int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, const unsigned char *d, long len);
1437 # endif
1438 __owur int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
1439 __owur int SSL_use_PrivateKey_ASN1(int pk, SSL *ssl, const unsigned char *d,
1440 long len);
1441 __owur int SSL_use_certificate(SSL *ssl, X509 *x);
1442 __owur int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len);
1443
1444
1445 /* serverinfo file format versions */
1446 # define SSL_SERVERINFOV1 1
1447 # define SSL_SERVERINFOV2 2
1448
1449 /* Set serverinfo data for the current active cert. */
1450 __owur int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo,
1451 size_t serverinfo_length);
1452 __owur int SSL_CTX_use_serverinfo_ex(SSL_CTX *ctx, unsigned int version,
1453 const unsigned char *serverinfo,
1454 size_t serverinfo_length);
1455 __owur int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file);
1456
1457 #ifndef OPENSSL_NO_RSA
1458 __owur int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
1459 #endif
1460
1461 __owur int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
1462 __owur int SSL_use_certificate_file(SSL *ssl, const char *file, int type);
1463
1464 #ifndef OPENSSL_NO_RSA
1465 __owur int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1466 #endif
1467 __owur int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1468 __owur int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type);
1469 /* PEM type */
1470 __owur int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file);
1471 __owur int SSL_use_certificate_chain_file(SSL *ssl, const char *file);
1472 __owur STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
1473 __owur int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1474 const char *file);
1475 int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1476 const char *dir);
1477
1478 #if OPENSSL_API_COMPAT < 0x10100000L
1479 # define SSL_load_error_strings() \
1480 OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS \
1481 | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL)
1482 #endif
1483
1484 __owur const char *SSL_state_string(const SSL *s);
1485 __owur const char *SSL_rstate_string(const SSL *s);
1486 __owur const char *SSL_state_string_long(const SSL *s);
1487 __owur const char *SSL_rstate_string_long(const SSL *s);
1488 __owur long SSL_SESSION_get_time(const SSL_SESSION *s);
1489 __owur long SSL_SESSION_set_time(SSL_SESSION *s, long t);
1490 __owur long SSL_SESSION_get_timeout(const SSL_SESSION *s);
1491 __owur long SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
1492 __owur int SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
1493 __owur const char *SSL_SESSION_get0_hostname(const SSL_SESSION *s);
1494 __owur const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s);
1495 __owur int SSL_SESSION_has_ticket(const SSL_SESSION *s);
1496 __owur unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s);
1497 void SSL_SESSION_get0_ticket(const SSL_SESSION *s, const unsigned char **tick,
1498 size_t *len);
1499 __owur uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *s);
1500 __owur int SSL_copy_session_id(SSL *to, const SSL *from);
1501 __owur X509 *SSL_SESSION_get0_peer(SSL_SESSION *s);
1502 __owur int SSL_SESSION_set1_id_context(SSL_SESSION *s, const unsigned char *sid_ctx,
1503 unsigned int sid_ctx_len);
1504 __owur int SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid,
1505 unsigned int sid_len);
1506 __owur int SSL_SESSION_is_resumable(const SSL_SESSION *s);
1507
1508 __owur SSL_SESSION *SSL_SESSION_new(void);
1509 const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s,
1510 unsigned int *len);
1511 const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *s,
1512 unsigned int *len);
1513 __owur unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s);
1514 # ifndef OPENSSL_NO_STDIO
1515 int SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses);
1516 # endif
1517 int SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses);
1518 int SSL_SESSION_print_keylog(BIO *bp, const SSL_SESSION *x);
1519 int SSL_SESSION_up_ref(SSL_SESSION *ses);
1520 void SSL_SESSION_free(SSL_SESSION *ses);
1521 __owur int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp);
1522 __owur int SSL_set_session(SSL *to, SSL_SESSION *session);
1523 __owur int SSL_CTX_add_session(SSL_CTX *s, SSL_SESSION *c);
1524 int SSL_CTX_remove_session(SSL_CTX *, SSL_SESSION *c);
1525 __owur int SSL_CTX_set_generate_session_id(SSL_CTX *, GEN_SESSION_CB);
1526 __owur int SSL_set_generate_session_id(SSL *, GEN_SESSION_CB);
1527 __owur int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
1528 unsigned int id_len);
1529 SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
1530 long length);
1531
1532 # ifdef HEADER_X509_H
1533 __owur X509 *SSL_get_peer_certificate(const SSL *s);
1534 # endif
1535
1536 __owur STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s);
1537
1538 __owur int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1539 __owur int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1540 __owur SSL_verify_cb SSL_CTX_get_verify_callback(const SSL_CTX *ctx);
1541 void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, SSL_verify_cb callback);
1542 void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth);
1543 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,
1544 int (*cb) (X509_STORE_CTX *, void *),
1545 void *arg);
1546 void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg),
1547 void *arg);
1548 # ifndef OPENSSL_NO_RSA
1549 __owur int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
1550 __owur int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d,
1551 long len);
1552 # endif
1553 __owur int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
1554 __owur int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx,
1555 const unsigned char *d, long len);
1556 __owur int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
1557 __owur int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len,
1558 const unsigned char *d);
1559
1560 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb);
1561 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
1562 pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx);
1563 void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx);
1564 void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb);
1565 void SSL_set_default_passwd_cb_userdata(SSL *s, void *u);
1566 pem_password_cb *SSL_get_default_passwd_cb(SSL *s);
1567 void *SSL_get_default_passwd_cb_userdata(SSL *s);
1568
1569 __owur int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1570 __owur int SSL_check_private_key(const SSL *ctx);
1571
1572 __owur int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx,
1573 unsigned int sid_ctx_len);
1574
1575 SSL *SSL_new(SSL_CTX *ctx);
1576 int SSL_up_ref(SSL *s);
1577 int SSL_is_dtls(const SSL *s);
1578 __owur int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx,
1579 unsigned int sid_ctx_len);
1580
1581 __owur int SSL_CTX_set_purpose(SSL_CTX *s, int purpose);
1582 __owur int SSL_set_purpose(SSL *s, int purpose);
1583 __owur int SSL_CTX_set_trust(SSL_CTX *s, int trust);
1584 __owur int SSL_set_trust(SSL *s, int trust);
1585
1586 __owur int SSL_set1_host(SSL *s, const char *hostname);
1587 __owur int SSL_add1_host(SSL *s, const char *hostname);
1588 __owur const char *SSL_get0_peername(SSL *s);
1589 void SSL_set_hostflags(SSL *s, unsigned int flags);
1590
1591 __owur int SSL_CTX_dane_enable(SSL_CTX *ctx);
1592 __owur int SSL_CTX_dane_mtype_set(SSL_CTX *ctx, const EVP_MD *md,
1593 uint8_t mtype, uint8_t ord);
1594 __owur int SSL_dane_enable(SSL *s, const char *basedomain);
1595 __owur int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector,
1596 uint8_t mtype, unsigned char *data, size_t dlen);
1597 __owur int SSL_get0_dane_authority(SSL *s, X509 **mcert, EVP_PKEY **mspki);
1598 __owur int SSL_get0_dane_tlsa(SSL *s, uint8_t *usage, uint8_t *selector,
1599 uint8_t *mtype, unsigned const char **data,
1600 size_t *dlen);
1601 /*
1602 * Bridge opacity barrier between libcrypt and libssl, also needed to support
1603 * offline testing in test/danetest.c
1604 */
1605 SSL_DANE *SSL_get0_dane(SSL *ssl);
1606 /*
1607 * DANE flags
1608 */
1609 unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags);
1610 unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags);
1611 unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags);
1612 unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags);
1613
1614 __owur int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
1615 __owur int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
1616
1617 __owur X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx);
1618 __owur X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl);
1619
1620 # ifndef OPENSSL_NO_SRP
1621 int SSL_CTX_set_srp_username(SSL_CTX *ctx, char *name);
1622 int SSL_CTX_set_srp_password(SSL_CTX *ctx, char *password);
1623 int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength);
1624 int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx,
1625 char *(*cb) (SSL *, void *));
1626 int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx,
1627 int (*cb) (SSL *, void *));
1628 int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
1629 int (*cb) (SSL *, int *, void *));
1630 int SSL_CTX_set_srp_cb_arg(SSL_CTX *ctx, void *arg);
1631
1632 int SSL_set_srp_server_param(SSL *s, const BIGNUM *N, const BIGNUM *g,
1633 BIGNUM *sa, BIGNUM *v, char *info);
1634 int SSL_set_srp_server_param_pw(SSL *s, const char *user, const char *pass,
1635 const char *grp);
1636
1637 __owur BIGNUM *SSL_get_srp_g(SSL *s);
1638 __owur BIGNUM *SSL_get_srp_N(SSL *s);
1639
1640 __owur char *SSL_get_srp_username(SSL *s);
1641 __owur char *SSL_get_srp_userinfo(SSL *s);
1642 # endif
1643
1644 /*
1645 * Early callback and helpers.
1646 */
1647 typedef int (*SSL_early_cb_fn) (SSL *s, int *al, void *arg);
1648 void SSL_CTX_set_early_cb(SSL_CTX *c, SSL_early_cb_fn cb, void *arg);
1649 int SSL_early_isv2(SSL *s);
1650 unsigned int SSL_early_get0_legacy_version(SSL *s);
1651 size_t SSL_early_get0_random(SSL *s, const unsigned char **out);
1652 size_t SSL_early_get0_session_id(SSL *s, const unsigned char **out);
1653 size_t SSL_early_get0_ciphers(SSL *s, const unsigned char **out);
1654 size_t SSL_early_get0_compression_methods(SSL *s, const unsigned char **out);
1655 int SSL_early_get1_extensions_present(SSL *s, int **out, size_t *outlen);
1656 int SSL_early_get0_ext(SSL *s, unsigned int type, const unsigned char **out,
1657 size_t *outlen);
1658
1659 void SSL_certs_clear(SSL *s);
1660 void SSL_free(SSL *ssl);
1661 # ifdef OSSL_ASYNC_FD
1662 /*
1663 * Windows application developer has to include windows.h to use these.
1664 */
1665 __owur int SSL_waiting_for_async(SSL *s);
1666 __owur int SSL_get_all_async_fds(SSL *s, OSSL_ASYNC_FD *fds, size_t *numfds);
1667 __owur int SSL_get_changed_async_fds(SSL *s, OSSL_ASYNC_FD *addfd,
1668 size_t *numaddfds, OSSL_ASYNC_FD *delfd,
1669 size_t *numdelfds);
1670 # endif
1671 __owur int SSL_accept(SSL *ssl);
1672 __owur int SSL_connect(SSL *ssl);
1673 __owur int SSL_read(SSL *ssl, void *buf, int num);
1674 __owur int SSL_read_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes);
1675
1676 # define SSL_READ_EARLY_DATA_ERROR 0
1677 # define SSL_READ_EARLY_DATA_SUCCESS 1
1678 # define SSL_READ_EARLY_DATA_FINISH 2
1679
1680 __owur int SSL_read_early_data(SSL *s, void *buf, size_t num,
1681 size_t *readbytes);
1682 __owur int SSL_peek(SSL *ssl, void *buf, int num);
1683 __owur int SSL_peek_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes);
1684 __owur int SSL_write(SSL *ssl, const void *buf, int num);
1685 __owur int SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *written);
1686 __owur int SSL_write_early_data(SSL *s, const void *buf, size_t num,
1687 size_t *written);
1688 long SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg);
1689 long SSL_callback_ctrl(SSL *, int, void (*)(void));
1690 long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg);
1691 long SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)(void));
1692
1693 # define SSL_EARLY_DATA_NOT_SENT 0
1694 # define SSL_EARLY_DATA_REJECTED 1
1695 # define SSL_EARLY_DATA_ACCEPTED 2
1696
1697 __owur int SSL_get_early_data_status(const SSL *s);
1698
1699 __owur int SSL_get_error(const SSL *s, int ret_code);
1700 __owur const char *SSL_get_version(const SSL *s);
1701
1702 /* This sets the 'default' SSL version that SSL_new() will create */
1703 __owur int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth);
1704
1705 # ifndef OPENSSL_NO_SSL3_METHOD
1706 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_method(void)) /* SSLv3 */
1707 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_server_method(void)) /* SSLv3 */
1708 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *SSLv3_client_method(void)) /* SSLv3 */
1709 # endif
1710
1711 #define SSLv23_method TLS_method
1712 #define SSLv23_server_method TLS_server_method
1713 #define SSLv23_client_method TLS_client_method
1714
1715 /* Negotiate highest available SSL/TLS version */
1716 __owur const SSL_METHOD *TLS_method(void);
1717 __owur const SSL_METHOD *TLS_server_method(void);
1718 __owur const SSL_METHOD *TLS_client_method(void);
1719
1720 # ifndef OPENSSL_NO_TLS1_METHOD
1721 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_method(void)) /* TLSv1.0 */
1722 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_server_method(void)) /* TLSv1.0 */
1723 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_client_method(void)) /* TLSv1.0 */
1724 # endif
1725
1726 # ifndef OPENSSL_NO_TLS1_1_METHOD
1727 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_method(void)) /* TLSv1.1 */
1728 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_server_method(void)) /* TLSv1.1 */
1729 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_client_method(void)) /* TLSv1.1 */
1730 # endif
1731
1732 # ifndef OPENSSL_NO_TLS1_2_METHOD
1733 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_method(void)) /* TLSv1.2 */
1734 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_server_method(void)) /* TLSv1.2 */
1735 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_client_method(void)) /* TLSv1.2 */
1736 # endif
1737
1738 # ifndef OPENSSL_NO_DTLS1_METHOD
1739 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_method(void)) /* DTLSv1.0 */
1740 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_server_method(void)) /* DTLSv1.0 */
1741 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_client_method(void)) /* DTLSv1.0 */
1742 # endif
1743
1744 # ifndef OPENSSL_NO_DTLS1_2_METHOD
1745 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_method(void)) /* DTLSv1.2 */
1746 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_server_method(void)) /* DTLSv1.2 */
1747 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *DTLSv1_2_client_method(void)) /* DTLSv1.2 */
1748 #endif
1749
1750 __owur const SSL_METHOD *DTLS_method(void); /* DTLS 1.0 and 1.2 */
1751 __owur const SSL_METHOD *DTLS_server_method(void); /* DTLS 1.0 and 1.2 */
1752 __owur const SSL_METHOD *DTLS_client_method(void); /* DTLS 1.0 and 1.2 */
1753
1754 __owur size_t DTLS_get_data_mtu(const SSL *s);
1755
1756 __owur STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s);
1757 __owur STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx);
1758 __owur STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s);
1759 __owur STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s);
1760
1761 __owur int SSL_do_handshake(SSL *s);
1762 int SSL_key_update(SSL *s, int updatetype);
1763 int SSL_get_key_update_type(SSL *s);
1764 int SSL_renegotiate(SSL *s);
1765 int SSL_renegotiate_abbreviated(SSL *s);
1766 __owur int SSL_renegotiate_pending(SSL *s);
1767 int SSL_shutdown(SSL *s);
1768
1769 __owur const SSL_METHOD *SSL_CTX_get_ssl_method(SSL_CTX *ctx);
1770 __owur const SSL_METHOD *SSL_get_ssl_method(SSL *s);
1771 __owur int SSL_set_ssl_method(SSL *s, const SSL_METHOD *method);
1772 __owur const char *SSL_alert_type_string_long(int value);
1773 __owur const char *SSL_alert_type_string(int value);
1774 __owur const char *SSL_alert_desc_string_long(int value);
1775 __owur const char *SSL_alert_desc_string(int value);
1776
1777 void SSL_set0_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
1778 void SSL_CTX_set0_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
1779 __owur const STACK_OF(X509_NAME) *SSL_get0_CA_list(const SSL *s);
1780 __owur const STACK_OF(X509_NAME) *SSL_CTX_get0_CA_list(const SSL_CTX *ctx);
1781 __owur int SSL_add1_CA_list(SSL *ssl, const X509 *x);
1782 __owur int SSL_CTX_add1_CA_list(SSL_CTX *ctx, const X509 *x);
1783 __owur const STACK_OF(X509_NAME) *SSL_get0_peer_CA_list(const SSL *s);
1784
1785 void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
1786 void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
1787 __owur STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
1788 __owur STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s);
1789 __owur int SSL_add_client_CA(SSL *ssl, X509 *x);
1790 __owur int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x);
1791
1792 void SSL_set_connect_state(SSL *s);
1793 void SSL_set_accept_state(SSL *s);
1794
1795 __owur long SSL_get_default_timeout(const SSL *s);
1796
1797 #if OPENSSL_API_COMPAT < 0x10100000L
1798 # define SSL_library_init() OPENSSL_init_ssl(0, NULL)
1799 #endif
1800
1801 __owur char *SSL_CIPHER_description(const SSL_CIPHER *, char *buf, int size);
1802 __owur STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk);
1803
1804 __owur SSL *SSL_dup(SSL *ssl);
1805
1806 __owur X509 *SSL_get_certificate(const SSL *ssl);
1807 /*
1808 * EVP_PKEY
1809 */ struct evp_pkey_st *SSL_get_privatekey(const SSL *ssl);
1810
1811 __owur X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx);
1812 __owur EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx);
1813
1814 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
1815 __owur int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
1816 void SSL_set_quiet_shutdown(SSL *ssl, int mode);
1817 __owur int SSL_get_quiet_shutdown(const SSL *ssl);
1818 void SSL_set_shutdown(SSL *ssl, int mode);
1819 __owur int SSL_get_shutdown(const SSL *ssl);
1820 __owur int SSL_version(const SSL *ssl);
1821 __owur int SSL_client_version(const SSL *s);
1822 __owur int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
1823 __owur int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx);
1824 __owur int SSL_CTX_set_default_verify_file(SSL_CTX *ctx);
1825 __owur int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
1826 const char *CApath);
1827 # define SSL_get0_session SSL_get_session/* just peek at pointer */
1828 __owur SSL_SESSION *SSL_get_session(const SSL *ssl);
1829 __owur SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */
1830 __owur SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl);
1831 SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx);
1832 void SSL_set_info_callback(SSL *ssl,
1833 void (*cb) (const SSL *ssl, int type, int val));
1834 void (*SSL_get_info_callback(const SSL *ssl)) (const SSL *ssl, int type,
1835 int val);
1836 __owur OSSL_HANDSHAKE_STATE SSL_get_state(const SSL *ssl);
1837
1838 void SSL_set_verify_result(SSL *ssl, long v);
1839 __owur long SSL_get_verify_result(const SSL *ssl);
1840 __owur STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s);
1841
1842 __owur size_t SSL_get_client_random(const SSL *ssl, unsigned char *out,
1843 size_t outlen);
1844 __owur size_t SSL_get_server_random(const SSL *ssl, unsigned char *out,
1845 size_t outlen);
1846 __owur size_t SSL_SESSION_get_master_key(const SSL_SESSION *ssl,
1847 unsigned char *out, size_t outlen);
1848
1849 #define SSL_get_ex_new_index(l, p, newf, dupf, freef) \
1850 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, l, p, newf, dupf, freef)
1851 __owur int SSL_set_ex_data(SSL *ssl, int idx, void *data);
1852 void *SSL_get_ex_data(const SSL *ssl, int idx);
1853 #define SSL_SESSION_get_ex_new_index(l, p, newf, dupf, freef) \
1854 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_SESSION, l, p, newf, dupf, freef)
1855 __owur int SSL_SESSION_set_ex_data(SSL_SESSION *ss, int idx, void *data);
1856 void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss, int idx);
1857 #define SSL_CTX_get_ex_new_index(l, p, newf, dupf, freef) \
1858 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, l, p, newf, dupf, freef)
1859 __owur int SSL_CTX_set_ex_data(SSL_CTX *ssl, int idx, void *data);
1860 void *SSL_CTX_get_ex_data(const SSL_CTX *ssl, int idx);
1861
1862 __owur int SSL_get_ex_data_X509_STORE_CTX_idx(void);
1863
1864 # define SSL_CTX_sess_set_cache_size(ctx,t) \
1865 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
1866 # define SSL_CTX_sess_get_cache_size(ctx) \
1867 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
1868 # define SSL_CTX_set_session_cache_mode(ctx,m) \
1869 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
1870 # define SSL_CTX_get_session_cache_mode(ctx) \
1871 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
1872
1873 # define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
1874 # define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
1875 # define SSL_CTX_get_read_ahead(ctx) \
1876 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
1877 # define SSL_CTX_set_read_ahead(ctx,m) \
1878 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
1879 # define SSL_CTX_get_max_cert_list(ctx) \
1880 SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
1881 # define SSL_CTX_set_max_cert_list(ctx,m) \
1882 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
1883 # define SSL_get_max_cert_list(ssl) \
1884 SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
1885 # define SSL_set_max_cert_list(ssl,m) \
1886 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
1887
1888 # define SSL_CTX_set_max_send_fragment(ctx,m) \
1889 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
1890 # define SSL_set_max_send_fragment(ssl,m) \
1891 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
1892 # define SSL_CTX_set_split_send_fragment(ctx,m) \
1893 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
1894 # define SSL_set_split_send_fragment(ssl,m) \
1895 SSL_ctrl(ssl,SSL_CTRL_SET_SPLIT_SEND_FRAGMENT,m,NULL)
1896 # define SSL_CTX_set_max_pipelines(ctx,m) \
1897 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
1898 # define SSL_set_max_pipelines(ssl,m) \
1899 SSL_ctrl(ssl,SSL_CTRL_SET_MAX_PIPELINES,m,NULL)
1900
1901 void SSL_CTX_set_default_read_buffer_len(SSL_CTX *ctx, size_t len);
1902 void SSL_set_default_read_buffer_len(SSL *s, size_t len);
1903
1904 # ifndef OPENSSL_NO_DH
1905 /* NB: the |keylength| is only applicable when is_export is true */
1906 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
1907 DH *(*dh) (SSL *ssl, int is_export,
1908 int keylength));
1909 void SSL_set_tmp_dh_callback(SSL *ssl,
1910 DH *(*dh) (SSL *ssl, int is_export,
1911 int keylength));
1912 # endif
1913
1914 __owur const COMP_METHOD *SSL_get_current_compression(SSL *s);
1915 __owur const COMP_METHOD *SSL_get_current_expansion(SSL *s);
1916 __owur const char *SSL_COMP_get_name(const COMP_METHOD *comp);
1917 __owur const char *SSL_COMP_get0_name(const SSL_COMP *comp);
1918 __owur int SSL_COMP_get_id(const SSL_COMP *comp);
1919 STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
1920 __owur STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP)
1921 *meths);
1922 #if OPENSSL_API_COMPAT < 0x10100000L
1923 # define SSL_COMP_free_compression_methods() while(0) continue
1924 #endif
1925 __owur int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm);
1926
1927 const SSL_CIPHER *SSL_CIPHER_find(SSL *ssl, const unsigned char *ptr);
1928 int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c);
1929 int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c);
1930 int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len,
1931 int isv2format, STACK_OF(SSL_CIPHER) **sk,
1932 STACK_OF(SSL_CIPHER) **scsvs);
1933
1934 /* TLS extensions functions */
1935 __owur int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len);
1936
1937 __owur int SSL_set_session_ticket_ext_cb(SSL *s, tls_session_ticket_ext_cb_fn cb,
1938 void *arg);
1939
1940 /* Pre-shared secret session resumption functions */
1941 __owur int SSL_set_session_secret_cb(SSL *s,
1942 tls_session_secret_cb_fn tls_session_secret_cb,
1943 void *arg);
1944
1945 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx,
1946 int (*cb) (SSL *ssl,
1947 int
1948 is_forward_secure));
1949
1950 void SSL_set_not_resumable_session_callback(SSL *ssl,
1951 int (*cb) (SSL *ssl,
1952 int
1953 is_forward_secure));
1954
1955 void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx,
1956 size_t (*cb) (SSL *ssl, int type,
1957 size_t len, void *arg));
1958 void SSL_CTX_set_record_padding_callback_arg(SSL_CTX *ctx, void *arg);
1959 void *SSL_CTX_get_record_padding_callback_arg(SSL_CTX *ctx);
1960 int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size);
1961
1962 void SSL_set_record_padding_callback(SSL *ssl,
1963 size_t (*cb) (SSL *ssl, int type,
1964 size_t len, void *arg));
1965 void SSL_set_record_padding_callback_arg(SSL *ssl, void *arg);
1966 void *SSL_get_record_padding_callback_arg(SSL *ssl);
1967 int SSL_set_block_padding(SSL *ssl, size_t block_size);
1968
1969 # if OPENSSL_API_COMPAT < 0x10100000L
1970 # define SSL_cache_hit(s) SSL_session_reused(s)
1971 # endif
1972
1973 __owur int SSL_session_reused(SSL *s);
1974 __owur int SSL_is_server(const SSL *s);
1975
1976 __owur __owur SSL_CONF_CTX *SSL_CONF_CTX_new(void);
1977 int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx);
1978 void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx);
1979 unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags);
1980 __owur unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx, unsigned int flags);
1981 __owur int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre);
1982
1983 void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl);
1984 void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx);
1985
1986 __owur int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value);
1987 __owur int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv);
1988 __owur int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd);
1989
1990 void SSL_add_ssl_module(void);
1991 int SSL_config(SSL *s, const char *name);
1992 int SSL_CTX_config(SSL_CTX *ctx, const char *name);
1993
1994 # ifndef OPENSSL_NO_SSL_TRACE
1995 void SSL_trace(int write_p, int version, int content_type,
1996 const void *buf, size_t len, SSL *ssl, void *arg);
1997 __owur const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c);
1998 # endif
1999
2000 # ifndef OPENSSL_NO_SOCK
2001 int DTLSv1_listen(SSL *s, BIO_ADDR *client);
2002 # endif
2003
2004 # ifndef OPENSSL_NO_CT
2005
2006 /*
2007 * A callback for verifying that the received SCTs are sufficient.
2008 * Expected to return 1 if they are sufficient, otherwise 0.
2009 * May return a negative integer if an error occurs.
2010 * A connection should be aborted if the SCTs are deemed insufficient.
2011 */
2012 typedef int(*ssl_ct_validation_cb)(const CT_POLICY_EVAL_CTX *ctx,
2013 const STACK_OF(SCT) *scts, void *arg);
2014
2015 /*
2016 * Sets a |callback| that is invoked upon receipt of ServerHelloDone to validate
2017 * the received SCTs.
2018 * If the callback returns a non-positive result, the connection is terminated.
2019 * Call this function before beginning a handshake.
2020 * If a NULL |callback| is provided, SCT validation is disabled.
2021 * |arg| is arbitrary userdata that will be passed to the callback whenever it
2022 * is invoked. Ownership of |arg| remains with the caller.
2023 *
2024 * NOTE: A side-effect of setting a CT callback is that an OCSP stapled response
2025 * will be requested.
2026 */
2027 int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback,
2028 void *arg);
2029 int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx,
2030 ssl_ct_validation_cb callback,
2031 void *arg);
2032 #define SSL_disable_ct(s) \
2033 ((void) SSL_set_validation_callback((s), NULL, NULL))
2034 #define SSL_CTX_disable_ct(ctx) \
2035 ((void) SSL_CTX_set_validation_callback((ctx), NULL, NULL))
2036
2037 /*
2038 * The validation type enumerates the available behaviours of the built-in SSL
2039 * CT validation callback selected via SSL_enable_ct() and SSL_CTX_enable_ct().
2040 * The underlying callback is a static function in libssl.
2041 */
2042 enum {
2043 SSL_CT_VALIDATION_PERMISSIVE = 0,
2044 SSL_CT_VALIDATION_STRICT
2045 };
2046
2047 /*
2048 * Enable CT by setting up a callback that implements one of the built-in
2049 * validation variants. The SSL_CT_VALIDATION_PERMISSIVE variant always
2050 * continues the handshake, the application can make appropriate decisions at
2051 * handshake completion. The SSL_CT_VALIDATION_STRICT variant requires at
2052 * least one valid SCT, or else handshake termination will be requested. The
2053 * handshake may continue anyway if SSL_VERIFY_NONE is in effect.
2054 */
2055 int SSL_enable_ct(SSL *s, int validation_mode);
2056 int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode);
2057
2058 /*
2059 * Report whether a non-NULL callback is enabled.
2060 */
2061 int SSL_ct_is_enabled(const SSL *s);
2062 int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx);
2063
2064 /* Gets the SCTs received from a connection */
2065 const STACK_OF(SCT) *SSL_get0_peer_scts(SSL *s);
2066
2067 /*
2068 * Loads the CT log list from the default location.
2069 * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2070 * the log information loaded from this file will be appended to the
2071 * CTLOG_STORE.
2072 * Returns 1 on success, 0 otherwise.
2073 */
2074 int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx);
2075
2076 /*
2077 * Loads the CT log list from the specified file path.
2078 * If a CTLOG_STORE has previously been set using SSL_CTX_set_ctlog_store,
2079 * the log information loaded from this file will be appended to the
2080 * CTLOG_STORE.
2081 * Returns 1 on success, 0 otherwise.
2082 */
2083 int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path);
2084
2085 /*
2086 * Sets the CT log list used by all SSL connections created from this SSL_CTX.
2087 * Ownership of the CTLOG_STORE is transferred to the SSL_CTX.
2088 */
2089 void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE *logs);
2090
2091 /*
2092 * Gets the CT log list used by all SSL connections created from this SSL_CTX.
2093 * This will be NULL unless one of the following functions has been called:
2094 * - SSL_CTX_set_default_ctlog_list_file
2095 * - SSL_CTX_set_ctlog_list_file
2096 * - SSL_CTX_set_ctlog_store
2097 */
2098 const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx);
2099
2100 # endif /* OPENSSL_NO_CT */
2101
2102 /* What the "other" parameter contains in security callback */
2103 /* Mask for type */
2104 # define SSL_SECOP_OTHER_TYPE 0xffff0000
2105 # define SSL_SECOP_OTHER_NONE 0
2106 # define SSL_SECOP_OTHER_CIPHER (1 << 16)
2107 # define SSL_SECOP_OTHER_CURVE (2 << 16)
2108 # define SSL_SECOP_OTHER_DH (3 << 16)
2109 # define SSL_SECOP_OTHER_PKEY (4 << 16)
2110 # define SSL_SECOP_OTHER_SIGALG (5 << 16)
2111 # define SSL_SECOP_OTHER_CERT (6 << 16)
2112
2113 /* Indicated operation refers to peer key or certificate */
2114 # define SSL_SECOP_PEER 0x1000
2115
2116 /* Values for "op" parameter in security callback */
2117
2118 /* Called to filter ciphers */
2119 /* Ciphers client supports */
2120 # define SSL_SECOP_CIPHER_SUPPORTED (1 | SSL_SECOP_OTHER_CIPHER)
2121 /* Cipher shared by client/server */
2122 # define SSL_SECOP_CIPHER_SHARED (2 | SSL_SECOP_OTHER_CIPHER)
2123 /* Sanity check of cipher server selects */
2124 # define SSL_SECOP_CIPHER_CHECK (3 | SSL_SECOP_OTHER_CIPHER)
2125 /* Curves supported by client */
2126 # define SSL_SECOP_CURVE_SUPPORTED (4 | SSL_SECOP_OTHER_CURVE)
2127 /* Curves shared by client/server */
2128 # define SSL_SECOP_CURVE_SHARED (5 | SSL_SECOP_OTHER_CURVE)
2129 /* Sanity check of curve server selects */
2130 # define SSL_SECOP_CURVE_CHECK (6 | SSL_SECOP_OTHER_CURVE)
2131 /* Temporary DH key */
2132 # define SSL_SECOP_TMP_DH (7 | SSL_SECOP_OTHER_PKEY)
2133 /* SSL/TLS version */
2134 # define SSL_SECOP_VERSION (9 | SSL_SECOP_OTHER_NONE)
2135 /* Session tickets */
2136 # define SSL_SECOP_TICKET (10 | SSL_SECOP_OTHER_NONE)
2137 /* Supported signature algorithms sent to peer */
2138 # define SSL_SECOP_SIGALG_SUPPORTED (11 | SSL_SECOP_OTHER_SIGALG)
2139 /* Shared signature algorithm */
2140 # define SSL_SECOP_SIGALG_SHARED (12 | SSL_SECOP_OTHER_SIGALG)
2141 /* Sanity check signature algorithm allowed */
2142 # define SSL_SECOP_SIGALG_CHECK (13 | SSL_SECOP_OTHER_SIGALG)
2143 /* Used to get mask of supported public key signature algorithms */
2144 # define SSL_SECOP_SIGALG_MASK (14 | SSL_SECOP_OTHER_SIGALG)
2145 /* Use to see if compression is allowed */
2146 # define SSL_SECOP_COMPRESSION (15 | SSL_SECOP_OTHER_NONE)
2147 /* EE key in certificate */
2148 # define SSL_SECOP_EE_KEY (16 | SSL_SECOP_OTHER_CERT)
2149 /* CA key in certificate */
2150 # define SSL_SECOP_CA_KEY (17 | SSL_SECOP_OTHER_CERT)
2151 /* CA digest algorithm in certificate */
2152 # define SSL_SECOP_CA_MD (18 | SSL_SECOP_OTHER_CERT)
2153 /* Peer EE key in certificate */
2154 # define SSL_SECOP_PEER_EE_KEY (SSL_SECOP_EE_KEY | SSL_SECOP_PEER)
2155 /* Peer CA key in certificate */
2156 # define SSL_SECOP_PEER_CA_KEY (SSL_SECOP_CA_KEY | SSL_SECOP_PEER)
2157 /* Peer CA digest algorithm in certificate */
2158 # define SSL_SECOP_PEER_CA_MD (SSL_SECOP_CA_MD | SSL_SECOP_PEER)
2159
2160 void SSL_set_security_level(SSL *s, int level);
2161 __owur int SSL_get_security_level(const SSL *s);
2162 void SSL_set_security_callback(SSL *s,
2163 int (*cb) (const SSL *s, const SSL_CTX *ctx, int op,
2164 int bits, int nid, void *other,
2165 void *ex));
2166 int (*SSL_get_security_callback(const SSL *s)) (const SSL *s, const SSL_CTX *ctx, int op,
2167 int bits, int nid,
2168 void *other, void *ex);
2169 void SSL_set0_security_ex_data(SSL *s, void *ex);
2170 __owur void *SSL_get0_security_ex_data(const SSL *s);
2171
2172 void SSL_CTX_set_security_level(SSL_CTX *ctx, int level);
2173 __owur int SSL_CTX_get_security_level(const SSL_CTX *ctx);
2174 void SSL_CTX_set_security_callback(SSL_CTX *ctx,
2175 int (*cb) (const SSL *s, const SSL_CTX *ctx, int op,
2176 int bits, int nid, void *other,
2177 void *ex));
2178 int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (const SSL *s,
2179 const SSL_CTX *ctx,
2180 int op, int bits,
2181 int nid,
2182 void *other,
2183 void *ex);
2184 void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex);
2185 __owur void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx);
2186
2187 /* OPENSSL_INIT flag 0x010000 reserved for internal use */
2188 #define OPENSSL_INIT_NO_LOAD_SSL_STRINGS 0x00100000L
2189 #define OPENSSL_INIT_LOAD_SSL_STRINGS 0x00200000L
2190
2191 #define OPENSSL_INIT_SSL_DEFAULT \
2192 (OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS)
2193
2194 int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
2195
2196 # ifndef OPENSSL_NO_UNIT_TEST
2197 __owur const struct openssl_ssl_test_functions *SSL_test_functions(void);
2198 # endif
2199
2200 extern const char SSL_version_str[];
2201
2202 int ERR_load_SSL_strings(void);
2203
2204 # ifdef __cplusplus
2205 }
2206 # endif
2207 #endif
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