2 * ! \file ssl/ssl_lib.c \brief Version independent SSL functions.
4 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
7 * This package is an SSL implementation written
8 * by Eric Young (eay@cryptsoft.com).
9 * The implementation was written so as to conform with Netscapes SSL.
11 * This library is free for commercial and non-commercial use as long as
12 * the following conditions are aheared to. The following conditions
13 * apply to all code found in this distribution, be it the RC4, RSA,
14 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
15 * included with this distribution is covered by the same copyright terms
16 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
18 * Copyright remains Eric Young's, and as such any Copyright notices in
19 * the code are not to be removed.
20 * If this package is used in a product, Eric Young should be given attribution
21 * as the author of the parts of the library used.
22 * This can be in the form of a textual message at program startup or
23 * in documentation (online or textual) provided with the package.
25 * Redistribution and use in source and binary forms, with or without
26 * modification, are permitted provided that the following conditions
28 * 1. Redistributions of source code must retain the copyright
29 * notice, this list of conditions and the following disclaimer.
30 * 2. Redistributions in binary form must reproduce the above copyright
31 * notice, this list of conditions and the following disclaimer in the
32 * documentation and/or other materials provided with the distribution.
33 * 3. All advertising materials mentioning features or use of this software
34 * must display the following acknowledgement:
35 * "This product includes cryptographic software written by
36 * Eric Young (eay@cryptsoft.com)"
37 * The word 'cryptographic' can be left out if the rouines from the library
38 * being used are not cryptographic related :-).
39 * 4. If you include any Windows specific code (or a derivative thereof) from
40 * the apps directory (application code) you must include an acknowledgement:
41 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
43 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
46 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
49 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
52 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55 * The licence and distribution terms for any publically available version or
56 * derivative of this code cannot be changed. i.e. this code cannot simply be
57 * copied and put under another distribution licence
58 * [including the GNU Public Licence.]
60 /* ====================================================================
61 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
63 * Redistribution and use in source and binary forms, with or without
64 * modification, are permitted provided that the following conditions
67 * 1. Redistributions of source code must retain the above copyright
68 * notice, this list of conditions and the following disclaimer.
70 * 2. Redistributions in binary form must reproduce the above copyright
71 * notice, this list of conditions and the following disclaimer in
72 * the documentation and/or other materials provided with the
75 * 3. All advertising materials mentioning features or use of this
76 * software must display the following acknowledgment:
77 * "This product includes software developed by the OpenSSL Project
78 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
80 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
81 * endorse or promote products derived from this software without
82 * prior written permission. For written permission, please contact
83 * openssl-core@openssl.org.
85 * 5. Products derived from this software may not be called "OpenSSL"
86 * nor may "OpenSSL" appear in their names without prior written
87 * permission of the OpenSSL Project.
89 * 6. Redistributions of any form whatsoever must retain the following
91 * "This product includes software developed by the OpenSSL Project
92 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
94 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
95 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
96 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
97 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
98 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
99 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
100 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
101 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
102 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
103 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
104 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
105 * OF THE POSSIBILITY OF SUCH DAMAGE.
106 * ====================================================================
108 * This product includes cryptographic software written by Eric Young
109 * (eay@cryptsoft.com). This product includes software written by Tim
110 * Hudson (tjh@cryptsoft.com).
113 /* ====================================================================
114 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
115 * ECC cipher suite support in OpenSSL originally developed by
116 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
118 /* ====================================================================
119 * Copyright 2005 Nokia. All rights reserved.
121 * The portions of the attached software ("Contribution") is developed by
122 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
125 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
126 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
127 * support (see RFC 4279) to OpenSSL.
129 * No patent licenses or other rights except those expressly stated in
130 * the OpenSSL open source license shall be deemed granted or received
131 * expressly, by implication, estoppel, or otherwise.
133 * No assurances are provided by Nokia that the Contribution does not
134 * infringe the patent or other intellectual property rights of any third
135 * party or that the license provides you with all the necessary rights
136 * to make use of the Contribution.
138 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
139 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
140 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
141 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
149 #include "ssl_locl.h"
150 #include "kssl_lcl.h"
151 #include <openssl/objects.h>
152 #include <openssl/lhash.h>
153 #include <openssl/x509v3.h>
154 #include <openssl/rand.h>
155 #include <openssl/ocsp.h>
156 #ifndef OPENSSL_NO_DH
157 # include <openssl/dh.h>
159 #ifndef OPENSSL_NO_ENGINE
160 # include <openssl/engine.h>
163 const char *SSL_version_str
= OPENSSL_VERSION_TEXT
;
165 SSL3_ENC_METHOD ssl3_undef_enc_method
= {
167 * evil casts, but these functions are only called if there's a library
170 (int (*)(SSL
*, int))ssl_undefined_function
,
171 (int (*)(SSL
*, unsigned char *, int))ssl_undefined_function
,
172 ssl_undefined_function
,
173 (int (*)(SSL
*, unsigned char *, unsigned char *, int))
174 ssl_undefined_function
,
175 (int (*)(SSL
*, int))ssl_undefined_function
,
176 (int (*)(SSL
*, const char *, int, unsigned char *))
177 ssl_undefined_function
,
178 0, /* finish_mac_length */
179 (int (*)(SSL
*, int, unsigned char *))ssl_undefined_function
,
180 NULL
, /* client_finished_label */
181 0, /* client_finished_label_len */
182 NULL
, /* server_finished_label */
183 0, /* server_finished_label_len */
184 (int (*)(int))ssl_undefined_function
,
185 (int (*)(SSL
*, unsigned char *, size_t, const char *,
186 size_t, const unsigned char *, size_t,
187 int use_context
))ssl_undefined_function
,
190 int SSL_clear(SSL
*s
)
192 if (s
->method
== NULL
) {
193 SSLerr(SSL_F_SSL_CLEAR
, SSL_R_NO_METHOD_SPECIFIED
);
197 if (ssl_clear_bad_session(s
)) {
198 SSL_SESSION_free(s
->session
);
206 if (s
->renegotiate
) {
207 SSLerr(SSL_F_SSL_CLEAR
, ERR_R_INTERNAL_ERROR
);
213 s
->state
= SSL_ST_BEFORE
| ((s
->server
) ? SSL_ST_ACCEPT
: SSL_ST_CONNECT
);
215 s
->version
= s
->method
->version
;
216 s
->client_version
= s
->version
;
217 s
->rwstate
= SSL_NOTHING
;
218 s
->rstate
= SSL_ST_READ_HEADER
;
220 if (s
->init_buf
!= NULL
) {
221 BUF_MEM_free(s
->init_buf
);
225 ssl_clear_cipher_ctx(s
);
226 ssl_clear_hash_ctx(&s
->read_hash
);
227 ssl_clear_hash_ctx(&s
->write_hash
);
232 * Check to see if we were changed into a different method, if so, revert
233 * back if we are not doing session-id reuse.
235 if (!s
->in_handshake
&& (s
->session
== NULL
)
236 && (s
->method
!= s
->ctx
->method
)) {
237 s
->method
->ssl_free(s
);
238 s
->method
= s
->ctx
->method
;
239 if (!s
->method
->ssl_new(s
))
242 s
->method
->ssl_clear(s
);
244 RECORD_LAYER_clear(&s
->rlayer
);
249 /** Used to change an SSL_CTXs default SSL method type */
250 int SSL_CTX_set_ssl_version(SSL_CTX
*ctx
, const SSL_METHOD
*meth
)
252 STACK_OF(SSL_CIPHER
) *sk
;
256 sk
= ssl_create_cipher_list(ctx
->method
, &(ctx
->cipher_list
),
257 &(ctx
->cipher_list_by_id
),
258 SSL_DEFAULT_CIPHER_LIST
, ctx
->cert
);
259 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= 0)) {
260 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION
,
261 SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS
);
267 SSL
*SSL_new(SSL_CTX
*ctx
)
272 SSLerr(SSL_F_SSL_NEW
, SSL_R_NULL_SSL_CTX
);
275 if (ctx
->method
== NULL
) {
276 SSLerr(SSL_F_SSL_NEW
, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION
);
280 s
= (SSL
*)OPENSSL_malloc(sizeof(SSL
));
283 memset(s
, 0, sizeof(SSL
));
285 RECORD_LAYER_set_ssl(&s
->rlayer
, s
);
286 SSL3_RECORD_clear(RECORD_LAYER_get_rrec(&s
->rlayer
));
287 SSL3_RECORD_clear(RECORD_LAYER_get_wrec(&s
->rlayer
));
289 #ifndef OPENSSL_NO_KRB5
290 s
->kssl_ctx
= kssl_ctx_new();
291 #endif /* OPENSSL_NO_KRB5 */
293 s
->options
= ctx
->options
;
295 s
->max_cert_list
= ctx
->max_cert_list
;
298 * Earlier library versions used to copy the pointer to the CERT, not
299 * its contents; only when setting new parameters for the per-SSL
300 * copy, ssl_cert_new would be called (and the direct reference to
301 * the per-SSL_CTX settings would be lost, but those still were
302 * indirectly accessed for various purposes, and for that reason they
303 * used to be known as s->ctx->default_cert). Now we don't look at the
304 * SSL_CTX's CERT after having duplicated it once.
306 s
->cert
= ssl_cert_dup(ctx
->cert
);
310 RECORD_LAYER_set_read_ahead(&s
->rlayer
, ctx
->read_ahead
);
311 s
->msg_callback
= ctx
->msg_callback
;
312 s
->msg_callback_arg
= ctx
->msg_callback_arg
;
313 s
->verify_mode
= ctx
->verify_mode
;
314 s
->not_resumable_session_cb
= ctx
->not_resumable_session_cb
;
315 s
->sid_ctx_length
= ctx
->sid_ctx_length
;
316 OPENSSL_assert(s
->sid_ctx_length
<= sizeof s
->sid_ctx
);
317 memcpy(&s
->sid_ctx
, &ctx
->sid_ctx
, sizeof(s
->sid_ctx
));
318 s
->verify_callback
= ctx
->default_verify_callback
;
319 s
->generate_session_id
= ctx
->generate_session_id
;
321 s
->param
= X509_VERIFY_PARAM_new();
324 X509_VERIFY_PARAM_inherit(s
->param
, ctx
->param
);
325 s
->quiet_shutdown
= ctx
->quiet_shutdown
;
326 s
->max_send_fragment
= ctx
->max_send_fragment
;
328 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
330 #ifndef OPENSSL_NO_TLSEXT
331 s
->tlsext_debug_cb
= 0;
332 s
->tlsext_debug_arg
= NULL
;
333 s
->tlsext_ticket_expected
= 0;
334 s
->tlsext_status_type
= -1;
335 s
->tlsext_status_expected
= 0;
336 s
->tlsext_ocsp_ids
= NULL
;
337 s
->tlsext_ocsp_exts
= NULL
;
338 s
->tlsext_ocsp_resp
= NULL
;
339 s
->tlsext_ocsp_resplen
= -1;
340 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
341 s
->initial_ctx
= ctx
;
342 # ifndef OPENSSL_NO_EC
343 if (ctx
->tlsext_ecpointformatlist
) {
344 s
->tlsext_ecpointformatlist
=
345 BUF_memdup(ctx
->tlsext_ecpointformatlist
,
346 ctx
->tlsext_ecpointformatlist_length
);
347 if (!s
->tlsext_ecpointformatlist
)
349 s
->tlsext_ecpointformatlist_length
=
350 ctx
->tlsext_ecpointformatlist_length
;
352 if (ctx
->tlsext_ellipticcurvelist
) {
353 s
->tlsext_ellipticcurvelist
=
354 BUF_memdup(ctx
->tlsext_ellipticcurvelist
,
355 ctx
->tlsext_ellipticcurvelist_length
);
356 if (!s
->tlsext_ellipticcurvelist
)
358 s
->tlsext_ellipticcurvelist_length
=
359 ctx
->tlsext_ellipticcurvelist_length
;
362 # ifndef OPENSSL_NO_NEXTPROTONEG
363 s
->next_proto_negotiated
= NULL
;
366 if (s
->ctx
->alpn_client_proto_list
) {
367 s
->alpn_client_proto_list
=
368 OPENSSL_malloc(s
->ctx
->alpn_client_proto_list_len
);
369 if (s
->alpn_client_proto_list
== NULL
)
371 memcpy(s
->alpn_client_proto_list
, s
->ctx
->alpn_client_proto_list
,
372 s
->ctx
->alpn_client_proto_list_len
);
373 s
->alpn_client_proto_list_len
= s
->ctx
->alpn_client_proto_list_len
;
377 s
->verify_result
= X509_V_OK
;
379 s
->method
= ctx
->method
;
381 if (!s
->method
->ssl_new(s
))
385 s
->server
= (ctx
->method
->ssl_accept
== ssl_undefined_function
) ? 0 : 1;
390 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
392 #ifndef OPENSSL_NO_PSK
393 s
->psk_client_callback
= ctx
->psk_client_callback
;
394 s
->psk_server_callback
= ctx
->psk_server_callback
;
401 SSLerr(SSL_F_SSL_NEW
, ERR_R_MALLOC_FAILURE
);
405 int SSL_CTX_set_session_id_context(SSL_CTX
*ctx
, const unsigned char *sid_ctx
,
406 unsigned int sid_ctx_len
)
408 if (sid_ctx_len
> sizeof ctx
->sid_ctx
) {
409 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT
,
410 SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
413 ctx
->sid_ctx_length
= sid_ctx_len
;
414 memcpy(ctx
->sid_ctx
, sid_ctx
, sid_ctx_len
);
419 int SSL_set_session_id_context(SSL
*ssl
, const unsigned char *sid_ctx
,
420 unsigned int sid_ctx_len
)
422 if (sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
) {
423 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT
,
424 SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
427 ssl
->sid_ctx_length
= sid_ctx_len
;
428 memcpy(ssl
->sid_ctx
, sid_ctx
, sid_ctx_len
);
433 int SSL_CTX_set_generate_session_id(SSL_CTX
*ctx
, GEN_SESSION_CB cb
)
435 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX
);
436 ctx
->generate_session_id
= cb
;
437 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX
);
441 int SSL_set_generate_session_id(SSL
*ssl
, GEN_SESSION_CB cb
)
443 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
444 ssl
->generate_session_id
= cb
;
445 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
449 int SSL_has_matching_session_id(const SSL
*ssl
, const unsigned char *id
,
453 * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
454 * we can "construct" a session to give us the desired check - ie. to
455 * find if there's a session in the hash table that would conflict with
456 * any new session built out of this id/id_len and the ssl_version in use
461 if (id_len
> sizeof r
.session_id
)
464 r
.ssl_version
= ssl
->version
;
465 r
.session_id_length
= id_len
;
466 memcpy(r
.session_id
, id
, id_len
);
468 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX
);
469 p
= lh_SSL_SESSION_retrieve(ssl
->ctx
->sessions
, &r
);
470 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX
);
474 int SSL_CTX_set_purpose(SSL_CTX
*s
, int purpose
)
476 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
479 int SSL_set_purpose(SSL
*s
, int purpose
)
481 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
484 int SSL_CTX_set_trust(SSL_CTX
*s
, int trust
)
486 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
489 int SSL_set_trust(SSL
*s
, int trust
)
491 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
494 int SSL_CTX_set1_param(SSL_CTX
*ctx
, X509_VERIFY_PARAM
*vpm
)
496 return X509_VERIFY_PARAM_set1(ctx
->param
, vpm
);
499 int SSL_set1_param(SSL
*ssl
, X509_VERIFY_PARAM
*vpm
)
501 return X509_VERIFY_PARAM_set1(ssl
->param
, vpm
);
504 X509_VERIFY_PARAM
*SSL_CTX_get0_param(SSL_CTX
*ctx
)
509 X509_VERIFY_PARAM
*SSL_get0_param(SSL
*ssl
)
514 void SSL_certs_clear(SSL
*s
)
516 ssl_cert_clear_certs(s
->cert
);
519 void SSL_free(SSL
*s
)
526 i
= CRYPTO_add(&s
->references
, -1, CRYPTO_LOCK_SSL
);
534 fprintf(stderr
, "SSL_free, bad reference count\n");
540 X509_VERIFY_PARAM_free(s
->param
);
542 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
544 if (s
->bbio
!= NULL
) {
545 /* If the buffering BIO is in place, pop it off */
546 if (s
->bbio
== s
->wbio
) {
547 s
->wbio
= BIO_pop(s
->wbio
);
552 BIO_free_all(s
->rbio
);
553 if (s
->wbio
!= s
->rbio
)
554 BIO_free_all(s
->wbio
);
556 if (s
->init_buf
!= NULL
)
557 BUF_MEM_free(s
->init_buf
);
559 /* add extra stuff */
560 if (s
->cipher_list
!= NULL
)
561 sk_SSL_CIPHER_free(s
->cipher_list
);
562 if (s
->cipher_list_by_id
!= NULL
)
563 sk_SSL_CIPHER_free(s
->cipher_list_by_id
);
565 /* Make the next call work :-) */
566 if (s
->session
!= NULL
) {
567 ssl_clear_bad_session(s
);
568 SSL_SESSION_free(s
->session
);
571 ssl_clear_cipher_ctx(s
);
572 ssl_clear_hash_ctx(&s
->read_hash
);
573 ssl_clear_hash_ctx(&s
->write_hash
);
576 ssl_cert_free(s
->cert
);
577 /* Free up if allocated */
579 #ifndef OPENSSL_NO_TLSEXT
580 if (s
->tlsext_hostname
)
581 OPENSSL_free(s
->tlsext_hostname
);
583 SSL_CTX_free(s
->initial_ctx
);
584 # ifndef OPENSSL_NO_EC
585 if (s
->tlsext_ecpointformatlist
)
586 OPENSSL_free(s
->tlsext_ecpointformatlist
);
587 if (s
->tlsext_ellipticcurvelist
)
588 OPENSSL_free(s
->tlsext_ellipticcurvelist
);
589 # endif /* OPENSSL_NO_EC */
590 if (s
->tlsext_ocsp_exts
)
591 sk_X509_EXTENSION_pop_free(s
->tlsext_ocsp_exts
, X509_EXTENSION_free
);
592 if (s
->tlsext_ocsp_ids
)
593 sk_OCSP_RESPID_pop_free(s
->tlsext_ocsp_ids
, OCSP_RESPID_free
);
594 if (s
->tlsext_ocsp_resp
)
595 OPENSSL_free(s
->tlsext_ocsp_resp
);
596 if (s
->alpn_client_proto_list
)
597 OPENSSL_free(s
->alpn_client_proto_list
);
600 if (s
->client_CA
!= NULL
)
601 sk_X509_NAME_pop_free(s
->client_CA
, X509_NAME_free
);
603 if (s
->method
!= NULL
)
604 s
->method
->ssl_free(s
);
606 if (SSL3_BUFFER_is_initialised(RECORD_LAYER_get_rbuf(&s
->rlayer
)))
607 ssl3_release_read_buffer(s
);
608 if (SSL3_BUFFER_is_initialised(RECORD_LAYER_get_wbuf(&s
->rlayer
)))
609 ssl3_release_write_buffer(s
);
610 SSL3_RECORD_release(RECORD_LAYER_get_rrec(&s
->rlayer
));
613 SSL_CTX_free(s
->ctx
);
615 #ifndef OPENSSL_NO_KRB5
616 if (s
->kssl_ctx
!= NULL
)
617 kssl_ctx_free(s
->kssl_ctx
);
618 #endif /* OPENSSL_NO_KRB5 */
620 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
621 if (s
->next_proto_negotiated
)
622 OPENSSL_free(s
->next_proto_negotiated
);
625 #ifndef OPENSSL_NO_SRTP
626 if (s
->srtp_profiles
)
627 sk_SRTP_PROTECTION_PROFILE_free(s
->srtp_profiles
);
633 void SSL_set_rbio(SSL
*s
, BIO
*rbio
)
636 BIO_free_all(s
->rbio
);
640 void SSL_set_wbio(SSL
*s
, BIO
*wbio
)
643 * If the output buffering BIO is still in place, remove it
645 if (s
->bbio
!= NULL
) {
646 if (s
->wbio
== s
->bbio
) {
647 s
->wbio
= s
->wbio
->next_bio
;
648 s
->bbio
->next_bio
= NULL
;
651 if (s
->wbio
!= wbio
&& s
->rbio
!= s
->wbio
)
652 BIO_free_all(s
->wbio
);
656 void SSL_set_bio(SSL
*s
, BIO
*rbio
, BIO
*wbio
)
658 SSL_set_wbio(s
, wbio
);
659 SSL_set_rbio(s
, rbio
);
662 BIO
*SSL_get_rbio(const SSL
*s
)
667 BIO
*SSL_get_wbio(const SSL
*s
)
672 int SSL_get_fd(const SSL
*s
)
674 return (SSL_get_rfd(s
));
677 int SSL_get_rfd(const SSL
*s
)
683 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
689 int SSL_get_wfd(const SSL
*s
)
695 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
701 #ifndef OPENSSL_NO_SOCK
702 int SSL_set_fd(SSL
*s
, int fd
)
707 bio
= BIO_new(BIO_s_socket());
710 SSLerr(SSL_F_SSL_SET_FD
, ERR_R_BUF_LIB
);
713 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
714 SSL_set_bio(s
, bio
, bio
);
720 int SSL_set_wfd(SSL
*s
, int fd
)
725 if ((s
->rbio
== NULL
) || (BIO_method_type(s
->rbio
) != BIO_TYPE_SOCKET
)
726 || ((int)BIO_get_fd(s
->rbio
, NULL
) != fd
)) {
727 bio
= BIO_new(BIO_s_socket());
730 SSLerr(SSL_F_SSL_SET_WFD
, ERR_R_BUF_LIB
);
733 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
734 SSL_set_bio(s
, SSL_get_rbio(s
), bio
);
736 SSL_set_bio(s
, SSL_get_rbio(s
), SSL_get_rbio(s
));
742 int SSL_set_rfd(SSL
*s
, int fd
)
747 if ((s
->wbio
== NULL
) || (BIO_method_type(s
->wbio
) != BIO_TYPE_SOCKET
)
748 || ((int)BIO_get_fd(s
->wbio
, NULL
) != fd
)) {
749 bio
= BIO_new(BIO_s_socket());
752 SSLerr(SSL_F_SSL_SET_RFD
, ERR_R_BUF_LIB
);
755 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
756 SSL_set_bio(s
, bio
, SSL_get_wbio(s
));
758 SSL_set_bio(s
, SSL_get_wbio(s
), SSL_get_wbio(s
));
765 /* return length of latest Finished message we sent, copy to 'buf' */
766 size_t SSL_get_finished(const SSL
*s
, void *buf
, size_t count
)
771 ret
= s
->s3
->tmp
.finish_md_len
;
774 memcpy(buf
, s
->s3
->tmp
.finish_md
, count
);
779 /* return length of latest Finished message we expected, copy to 'buf' */
780 size_t SSL_get_peer_finished(const SSL
*s
, void *buf
, size_t count
)
785 ret
= s
->s3
->tmp
.peer_finish_md_len
;
788 memcpy(buf
, s
->s3
->tmp
.peer_finish_md
, count
);
793 int SSL_get_verify_mode(const SSL
*s
)
795 return (s
->verify_mode
);
798 int SSL_get_verify_depth(const SSL
*s
)
800 return X509_VERIFY_PARAM_get_depth(s
->param
);
803 int (*SSL_get_verify_callback(const SSL
*s
)) (int, X509_STORE_CTX
*) {
804 return (s
->verify_callback
);
807 int SSL_CTX_get_verify_mode(const SSL_CTX
*ctx
)
809 return (ctx
->verify_mode
);
812 int SSL_CTX_get_verify_depth(const SSL_CTX
*ctx
)
814 return X509_VERIFY_PARAM_get_depth(ctx
->param
);
817 int (*SSL_CTX_get_verify_callback(const SSL_CTX
*ctx
)) (int, X509_STORE_CTX
*) {
818 return (ctx
->default_verify_callback
);
821 void SSL_set_verify(SSL
*s
, int mode
,
822 int (*callback
) (int ok
, X509_STORE_CTX
*ctx
))
824 s
->verify_mode
= mode
;
825 if (callback
!= NULL
)
826 s
->verify_callback
= callback
;
829 void SSL_set_verify_depth(SSL
*s
, int depth
)
831 X509_VERIFY_PARAM_set_depth(s
->param
, depth
);
834 void SSL_set_read_ahead(SSL
*s
, int yes
)
836 RECORD_LAYER_set_read_ahead(&s
->rlayer
, yes
);
839 int SSL_get_read_ahead(const SSL
*s
)
841 return RECORD_LAYER_get_read_ahead(&s
->rlayer
);
844 int SSL_pending(const SSL
*s
)
847 * SSL_pending cannot work properly if read-ahead is enabled
848 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is
849 * impossible to fix since SSL_pending cannot report errors that may be
850 * observed while scanning the new data. (Note that SSL_pending() is
851 * often used as a boolean value, so we'd better not return -1.)
853 return (s
->method
->ssl_pending(s
));
856 X509
*SSL_get_peer_certificate(const SSL
*s
)
860 if ((s
== NULL
) || (s
->session
== NULL
))
863 r
= s
->session
->peer
;
868 CRYPTO_add(&r
->references
, 1, CRYPTO_LOCK_X509
);
873 STACK_OF(X509
) *SSL_get_peer_cert_chain(const SSL
*s
)
877 if ((s
== NULL
) || (s
->session
== NULL
)
878 || (s
->session
->sess_cert
== NULL
))
881 r
= s
->session
->sess_cert
->cert_chain
;
884 * If we are a client, cert_chain includes the peer's own certificate; if
885 * we are a server, it does not.
892 * Now in theory, since the calling process own 't' it should be safe to
893 * modify. We need to be able to read f without being hassled
895 int SSL_copy_session_id(SSL
*t
, const SSL
*f
)
897 /* Do we need to to SSL locking? */
898 if(!SSL_set_session(t
, SSL_get_session(f
))) {
903 * what if we are setup as SSLv2 but want to talk SSLv3 or vice-versa
905 if (t
->method
!= f
->method
) {
906 t
->method
->ssl_free(t
); /* cleanup current */
907 t
->method
= f
->method
; /* change method */
908 t
->method
->ssl_new(t
); /* setup new */
911 CRYPTO_add(&f
->cert
->references
, 1, CRYPTO_LOCK_SSL_CERT
);
912 ssl_cert_free(t
->cert
);
914 if(!SSL_set_session_id_context(t
, f
->sid_ctx
, f
->sid_ctx_length
)) {
921 /* Fix this so it checks all the valid key/cert options */
922 int SSL_CTX_check_private_key(const SSL_CTX
*ctx
)
925 (ctx
->cert
->key
->x509
== NULL
)) {
926 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,
927 SSL_R_NO_CERTIFICATE_ASSIGNED
);
930 if (ctx
->cert
->key
->privatekey
== NULL
) {
931 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,
932 SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
935 return (X509_check_private_key
936 (ctx
->cert
->key
->x509
, ctx
->cert
->key
->privatekey
));
939 /* Fix this function so that it takes an optional type parameter */
940 int SSL_check_private_key(const SSL
*ssl
)
943 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, ERR_R_PASSED_NULL_PARAMETER
);
946 if (ssl
->cert
->key
->x509
== NULL
) {
947 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, SSL_R_NO_CERTIFICATE_ASSIGNED
);
950 if (ssl
->cert
->key
->privatekey
== NULL
) {
951 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
954 return (X509_check_private_key(ssl
->cert
->key
->x509
,
955 ssl
->cert
->key
->privatekey
));
958 int SSL_accept(SSL
*s
)
960 if (s
->handshake_func
== 0)
961 /* Not properly initialized yet */
962 SSL_set_accept_state(s
);
964 return (s
->method
->ssl_accept(s
));
967 int SSL_connect(SSL
*s
)
969 if (s
->handshake_func
== 0)
970 /* Not properly initialized yet */
971 SSL_set_connect_state(s
);
973 return (s
->method
->ssl_connect(s
));
976 long SSL_get_default_timeout(const SSL
*s
)
978 return (s
->method
->get_timeout());
981 int SSL_read(SSL
*s
, void *buf
, int num
)
983 if (s
->handshake_func
== 0) {
984 SSLerr(SSL_F_SSL_READ
, SSL_R_UNINITIALIZED
);
988 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
989 s
->rwstate
= SSL_NOTHING
;
992 return (s
->method
->ssl_read(s
, buf
, num
));
995 int SSL_peek(SSL
*s
, void *buf
, int num
)
997 if (s
->handshake_func
== 0) {
998 SSLerr(SSL_F_SSL_PEEK
, SSL_R_UNINITIALIZED
);
1002 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
1005 return (s
->method
->ssl_peek(s
, buf
, num
));
1008 int SSL_write(SSL
*s
, const void *buf
, int num
)
1010 if (s
->handshake_func
== 0) {
1011 SSLerr(SSL_F_SSL_WRITE
, SSL_R_UNINITIALIZED
);
1015 if (s
->shutdown
& SSL_SENT_SHUTDOWN
) {
1016 s
->rwstate
= SSL_NOTHING
;
1017 SSLerr(SSL_F_SSL_WRITE
, SSL_R_PROTOCOL_IS_SHUTDOWN
);
1020 return (s
->method
->ssl_write(s
, buf
, num
));
1023 int SSL_shutdown(SSL
*s
)
1026 * Note that this function behaves differently from what one might
1027 * expect. Return values are 0 for no success (yet), 1 for success; but
1028 * calling it once is usually not enough, even if blocking I/O is used
1029 * (see ssl3_shutdown).
1032 if (s
->handshake_func
== 0) {
1033 SSLerr(SSL_F_SSL_SHUTDOWN
, SSL_R_UNINITIALIZED
);
1037 if ((s
!= NULL
) && !SSL_in_init(s
))
1038 return (s
->method
->ssl_shutdown(s
));
1043 int SSL_renegotiate(SSL
*s
)
1045 if (s
->renegotiate
== 0)
1050 return (s
->method
->ssl_renegotiate(s
));
1053 int SSL_renegotiate_abbreviated(SSL
*s
)
1055 if (s
->renegotiate
== 0)
1060 return (s
->method
->ssl_renegotiate(s
));
1063 int SSL_renegotiate_pending(SSL
*s
)
1066 * becomes true when negotiation is requested; false again once a
1067 * handshake has finished
1069 return (s
->renegotiate
!= 0);
1072 long SSL_ctrl(SSL
*s
, int cmd
, long larg
, void *parg
)
1077 case SSL_CTRL_GET_READ_AHEAD
:
1078 return (RECORD_LAYER_get_read_ahead(&s
->rlayer
));
1079 case SSL_CTRL_SET_READ_AHEAD
:
1080 l
= RECORD_LAYER_get_read_ahead(&s
->rlayer
);
1081 RECORD_LAYER_set_read_ahead(&s
->rlayer
, larg
);
1084 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1085 s
->msg_callback_arg
= parg
;
1088 case SSL_CTRL_OPTIONS
:
1089 return (s
->options
|= larg
);
1090 case SSL_CTRL_CLEAR_OPTIONS
:
1091 return (s
->options
&= ~larg
);
1093 return (s
->mode
|= larg
);
1094 case SSL_CTRL_CLEAR_MODE
:
1095 return (s
->mode
&= ~larg
);
1096 case SSL_CTRL_GET_MAX_CERT_LIST
:
1097 return (s
->max_cert_list
);
1098 case SSL_CTRL_SET_MAX_CERT_LIST
:
1099 l
= s
->max_cert_list
;
1100 s
->max_cert_list
= larg
;
1102 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1103 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1105 s
->max_send_fragment
= larg
;
1107 case SSL_CTRL_GET_RI_SUPPORT
:
1109 return s
->s3
->send_connection_binding
;
1112 case SSL_CTRL_CERT_FLAGS
:
1113 return (s
->cert
->cert_flags
|= larg
);
1114 case SSL_CTRL_CLEAR_CERT_FLAGS
:
1115 return (s
->cert
->cert_flags
&= ~larg
);
1117 case SSL_CTRL_GET_RAW_CIPHERLIST
:
1119 if (s
->cert
->ciphers_raw
== NULL
)
1121 *(unsigned char **)parg
= s
->cert
->ciphers_raw
;
1122 return (int)s
->cert
->ciphers_rawlen
;
1124 return ssl_put_cipher_by_char(s
, NULL
, NULL
);
1125 case SSL_CTRL_GET_EXTMS_SUPPORT
:
1126 if (!s
->session
|| SSL_in_init(s
) || s
->in_handshake
)
1128 if (s
->session
->flags
& SSL_SESS_FLAG_EXTMS
)
1133 return (s
->method
->ssl_ctrl(s
, cmd
, larg
, parg
));
1137 long SSL_callback_ctrl(SSL
*s
, int cmd
, void (*fp
) (void))
1140 case SSL_CTRL_SET_MSG_CALLBACK
:
1141 s
->msg_callback
= (void (*)
1142 (int write_p
, int version
, int content_type
,
1143 const void *buf
, size_t len
, SSL
*ssl
,
1148 return (s
->method
->ssl_callback_ctrl(s
, cmd
, fp
));
1152 LHASH_OF(SSL_SESSION
) *SSL_CTX_sessions(SSL_CTX
*ctx
)
1154 return ctx
->sessions
;
1157 long SSL_CTX_ctrl(SSL_CTX
*ctx
, int cmd
, long larg
, void *parg
)
1160 /* For some cases with ctx == NULL perform syntax checks */
1163 #ifndef OPENSSL_NO_EC
1164 case SSL_CTRL_SET_CURVES_LIST
:
1165 return tls1_set_curves_list(NULL
, NULL
, parg
);
1167 case SSL_CTRL_SET_SIGALGS_LIST
:
1168 case SSL_CTRL_SET_CLIENT_SIGALGS_LIST
:
1169 return tls1_set_sigalgs_list(NULL
, parg
, 0);
1176 case SSL_CTRL_GET_READ_AHEAD
:
1177 return (ctx
->read_ahead
);
1178 case SSL_CTRL_SET_READ_AHEAD
:
1179 l
= ctx
->read_ahead
;
1180 ctx
->read_ahead
= larg
;
1183 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1184 ctx
->msg_callback_arg
= parg
;
1187 case SSL_CTRL_GET_MAX_CERT_LIST
:
1188 return (ctx
->max_cert_list
);
1189 case SSL_CTRL_SET_MAX_CERT_LIST
:
1190 l
= ctx
->max_cert_list
;
1191 ctx
->max_cert_list
= larg
;
1194 case SSL_CTRL_SET_SESS_CACHE_SIZE
:
1195 l
= ctx
->session_cache_size
;
1196 ctx
->session_cache_size
= larg
;
1198 case SSL_CTRL_GET_SESS_CACHE_SIZE
:
1199 return (ctx
->session_cache_size
);
1200 case SSL_CTRL_SET_SESS_CACHE_MODE
:
1201 l
= ctx
->session_cache_mode
;
1202 ctx
->session_cache_mode
= larg
;
1204 case SSL_CTRL_GET_SESS_CACHE_MODE
:
1205 return (ctx
->session_cache_mode
);
1207 case SSL_CTRL_SESS_NUMBER
:
1208 return (lh_SSL_SESSION_num_items(ctx
->sessions
));
1209 case SSL_CTRL_SESS_CONNECT
:
1210 return (ctx
->stats
.sess_connect
);
1211 case SSL_CTRL_SESS_CONNECT_GOOD
:
1212 return (ctx
->stats
.sess_connect_good
);
1213 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE
:
1214 return (ctx
->stats
.sess_connect_renegotiate
);
1215 case SSL_CTRL_SESS_ACCEPT
:
1216 return (ctx
->stats
.sess_accept
);
1217 case SSL_CTRL_SESS_ACCEPT_GOOD
:
1218 return (ctx
->stats
.sess_accept_good
);
1219 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE
:
1220 return (ctx
->stats
.sess_accept_renegotiate
);
1221 case SSL_CTRL_SESS_HIT
:
1222 return (ctx
->stats
.sess_hit
);
1223 case SSL_CTRL_SESS_CB_HIT
:
1224 return (ctx
->stats
.sess_cb_hit
);
1225 case SSL_CTRL_SESS_MISSES
:
1226 return (ctx
->stats
.sess_miss
);
1227 case SSL_CTRL_SESS_TIMEOUTS
:
1228 return (ctx
->stats
.sess_timeout
);
1229 case SSL_CTRL_SESS_CACHE_FULL
:
1230 return (ctx
->stats
.sess_cache_full
);
1231 case SSL_CTRL_OPTIONS
:
1232 return (ctx
->options
|= larg
);
1233 case SSL_CTRL_CLEAR_OPTIONS
:
1234 return (ctx
->options
&= ~larg
);
1236 return (ctx
->mode
|= larg
);
1237 case SSL_CTRL_CLEAR_MODE
:
1238 return (ctx
->mode
&= ~larg
);
1239 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1240 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1242 ctx
->max_send_fragment
= larg
;
1244 case SSL_CTRL_CERT_FLAGS
:
1245 return (ctx
->cert
->cert_flags
|= larg
);
1246 case SSL_CTRL_CLEAR_CERT_FLAGS
:
1247 return (ctx
->cert
->cert_flags
&= ~larg
);
1249 return (ctx
->method
->ssl_ctx_ctrl(ctx
, cmd
, larg
, parg
));
1253 long SSL_CTX_callback_ctrl(SSL_CTX
*ctx
, int cmd
, void (*fp
) (void))
1256 case SSL_CTRL_SET_MSG_CALLBACK
:
1257 ctx
->msg_callback
= (void (*)
1258 (int write_p
, int version
, int content_type
,
1259 const void *buf
, size_t len
, SSL
*ssl
,
1264 return (ctx
->method
->ssl_ctx_callback_ctrl(ctx
, cmd
, fp
));
1268 int ssl_cipher_id_cmp(const SSL_CIPHER
*a
, const SSL_CIPHER
*b
)
1276 return ((l
> 0) ? 1 : -1);
1279 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
*const *ap
,
1280 const SSL_CIPHER
*const *bp
)
1284 l
= (*ap
)->id
- (*bp
)->id
;
1288 return ((l
> 0) ? 1 : -1);
1291 /** return a STACK of the ciphers available for the SSL and in order of
1293 STACK_OF(SSL_CIPHER
) *SSL_get_ciphers(const SSL
*s
)
1296 if (s
->cipher_list
!= NULL
) {
1297 return (s
->cipher_list
);
1298 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list
!= NULL
)) {
1299 return (s
->ctx
->cipher_list
);
1305 STACK_OF(SSL_CIPHER
) *SSL_get1_supported_ciphers(SSL
*s
)
1307 STACK_OF(SSL_CIPHER
) *sk
= NULL
, *ciphers
;
1309 ciphers
= SSL_get_ciphers(s
);
1312 ssl_set_client_disabled(s
);
1313 for (i
= 0; i
< sk_SSL_CIPHER_num(ciphers
); i
++) {
1314 const SSL_CIPHER
*c
= sk_SSL_CIPHER_value(ciphers
, i
);
1315 if (!ssl_cipher_disabled(s
, c
, SSL_SECOP_CIPHER_SUPPORTED
)) {
1317 sk
= sk_SSL_CIPHER_new_null();
1320 if (!sk_SSL_CIPHER_push(sk
, c
)) {
1321 sk_SSL_CIPHER_free(sk
);
1329 /** return a STACK of the ciphers available for the SSL and in order of
1331 STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL
*s
)
1334 if (s
->cipher_list_by_id
!= NULL
) {
1335 return (s
->cipher_list_by_id
);
1336 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list_by_id
!= NULL
)) {
1337 return (s
->ctx
->cipher_list_by_id
);
1343 /** The old interface to get the same thing as SSL_get_ciphers() */
1344 const char *SSL_get_cipher_list(const SSL
*s
, int n
)
1347 STACK_OF(SSL_CIPHER
) *sk
;
1351 sk
= SSL_get_ciphers(s
);
1352 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= n
))
1354 c
= sk_SSL_CIPHER_value(sk
, n
);
1360 /** specify the ciphers to be used by default by the SSL_CTX */
1361 int SSL_CTX_set_cipher_list(SSL_CTX
*ctx
, const char *str
)
1363 STACK_OF(SSL_CIPHER
) *sk
;
1365 sk
= ssl_create_cipher_list(ctx
->method
, &ctx
->cipher_list
,
1366 &ctx
->cipher_list_by_id
, str
, ctx
->cert
);
1368 * ssl_create_cipher_list may return an empty stack if it was unable to
1369 * find a cipher matching the given rule string (for example if the rule
1370 * string specifies a cipher which has been disabled). This is not an
1371 * error as far as ssl_create_cipher_list is concerned, and hence
1372 * ctx->cipher_list and ctx->cipher_list_by_id has been updated.
1376 else if (sk_SSL_CIPHER_num(sk
) == 0) {
1377 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1383 /** specify the ciphers to be used by the SSL */
1384 int SSL_set_cipher_list(SSL
*s
, const char *str
)
1386 STACK_OF(SSL_CIPHER
) *sk
;
1388 sk
= ssl_create_cipher_list(s
->ctx
->method
, &s
->cipher_list
,
1389 &s
->cipher_list_by_id
, str
, s
->cert
);
1390 /* see comment in SSL_CTX_set_cipher_list */
1393 else if (sk_SSL_CIPHER_num(sk
) == 0) {
1394 SSLerr(SSL_F_SSL_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1400 /* works well for SSLv2, not so good for SSLv3 */
1401 char *SSL_get_shared_ciphers(const SSL
*s
, char *buf
, int len
)
1404 STACK_OF(SSL_CIPHER
) *sk
;
1408 if ((s
->session
== NULL
) || (s
->session
->ciphers
== NULL
) || (len
< 2))
1412 sk
= s
->session
->ciphers
;
1414 if (sk_SSL_CIPHER_num(sk
) == 0)
1417 for (i
= 0; i
< sk_SSL_CIPHER_num(sk
); i
++) {
1420 c
= sk_SSL_CIPHER_value(sk
, i
);
1421 n
= strlen(c
->name
);
1437 int ssl_cipher_list_to_bytes(SSL
*s
, STACK_OF(SSL_CIPHER
) *sk
,
1439 int (*put_cb
) (const SSL_CIPHER
*,
1445 int empty_reneg_info_scsv
= !s
->renegotiate
;
1446 /* Set disabled masks for this session */
1447 ssl_set_client_disabled(s
);
1453 put_cb
= s
->method
->put_cipher_by_char
;
1455 for (i
= 0; i
< sk_SSL_CIPHER_num(sk
); i
++) {
1456 c
= sk_SSL_CIPHER_value(sk
, i
);
1457 /* Skip disabled ciphers */
1458 if (ssl_cipher_disabled(s
, c
, SSL_SECOP_CIPHER_SUPPORTED
))
1460 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1461 if (c
->id
== SSL3_CK_SCSV
) {
1462 if (!empty_reneg_info_scsv
)
1465 empty_reneg_info_scsv
= 0;
1472 * If p == q, no ciphers; caller indicates an error. Otherwise, add
1476 if (empty_reneg_info_scsv
) {
1477 static SSL_CIPHER scsv
= {
1478 0, NULL
, SSL3_CK_SCSV
, 0, 0, 0, 0, 0, 0, 0, 0, 0
1480 j
= put_cb(&scsv
, p
);
1482 #ifdef OPENSSL_RI_DEBUG
1484 "TLS_EMPTY_RENEGOTIATION_INFO_SCSV sent by client\n");
1487 if (s
->mode
& SSL_MODE_SEND_FALLBACK_SCSV
) {
1488 static SSL_CIPHER scsv
= {
1489 0, NULL
, SSL3_CK_FALLBACK_SCSV
, 0, 0, 0, 0, 0, 0, 0, 0, 0
1491 j
= put_cb(&scsv
, p
);
1499 STACK_OF(SSL_CIPHER
) *ssl_bytes_to_cipher_list(SSL
*s
, unsigned char *p
,
1501 STACK_OF(SSL_CIPHER
) **skp
)
1503 const SSL_CIPHER
*c
;
1504 STACK_OF(SSL_CIPHER
) *sk
;
1508 s
->s3
->send_connection_binding
= 0;
1510 n
= ssl_put_cipher_by_char(s
, NULL
, NULL
);
1511 if (n
== 0 || (num
% n
) != 0) {
1512 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,
1513 SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
1516 if ((skp
== NULL
) || (*skp
== NULL
))
1517 sk
= sk_SSL_CIPHER_new_null(); /* change perhaps later */
1520 sk_SSL_CIPHER_zero(sk
);
1523 if (s
->cert
->ciphers_raw
)
1524 OPENSSL_free(s
->cert
->ciphers_raw
);
1525 s
->cert
->ciphers_raw
= BUF_memdup(p
, num
);
1526 if (s
->cert
->ciphers_raw
== NULL
) {
1527 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1530 s
->cert
->ciphers_rawlen
= (size_t)num
;
1532 for (i
= 0; i
< num
; i
+= n
) {
1533 /* Check for TLS_EMPTY_RENEGOTIATION_INFO_SCSV */
1534 if (s
->s3
&& (n
!= 3 || !p
[0]) &&
1535 (p
[n
- 2] == ((SSL3_CK_SCSV
>> 8) & 0xff)) &&
1536 (p
[n
- 1] == (SSL3_CK_SCSV
& 0xff))) {
1537 /* SCSV fatal if renegotiating */
1538 if (s
->renegotiate
) {
1539 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,
1540 SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING
);
1541 ssl3_send_alert(s
, SSL3_AL_FATAL
, SSL_AD_HANDSHAKE_FAILURE
);
1544 s
->s3
->send_connection_binding
= 1;
1546 #ifdef OPENSSL_RI_DEBUG
1547 fprintf(stderr
, "SCSV received by server\n");
1552 /* Check for TLS_FALLBACK_SCSV */
1553 if ((n
!= 3 || !p
[0]) &&
1554 (p
[n
- 2] == ((SSL3_CK_FALLBACK_SCSV
>> 8) & 0xff)) &&
1555 (p
[n
- 1] == (SSL3_CK_FALLBACK_SCSV
& 0xff))) {
1557 * The SCSV indicates that the client previously tried a higher
1558 * version. Fail if the current version is an unexpected
1561 if (!SSL_ctrl(s
, SSL_CTRL_CHECK_PROTO_VERSION
, 0, NULL
)) {
1562 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,
1563 SSL_R_INAPPROPRIATE_FALLBACK
);
1565 ssl3_send_alert(s
, SSL3_AL_FATAL
,
1566 SSL_AD_INAPPROPRIATE_FALLBACK
);
1573 c
= ssl_get_cipher_by_char(s
, p
);
1576 if (!sk_SSL_CIPHER_push(sk
, c
)) {
1577 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1587 if ((skp
== NULL
) || (*skp
== NULL
))
1588 sk_SSL_CIPHER_free(sk
);
1592 #ifndef OPENSSL_NO_TLSEXT
1593 /** return a servername extension value if provided in Client Hello, or NULL.
1594 * So far, only host_name types are defined (RFC 3546).
1597 const char *SSL_get_servername(const SSL
*s
, const int type
)
1599 if (type
!= TLSEXT_NAMETYPE_host_name
)
1602 return s
->session
&& !s
->tlsext_hostname
?
1603 s
->session
->tlsext_hostname
: s
->tlsext_hostname
;
1606 int SSL_get_servername_type(const SSL
*s
)
1609 && (!s
->tlsext_hostname
? s
->session
->
1610 tlsext_hostname
: s
->tlsext_hostname
))
1611 return TLSEXT_NAMETYPE_host_name
;
1616 * SSL_select_next_proto implements the standard protocol selection. It is
1617 * expected that this function is called from the callback set by
1618 * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a
1619 * vector of 8-bit, length prefixed byte strings. The length byte itself is
1620 * not included in the length. A byte string of length 0 is invalid. No byte
1621 * string may be truncated. The current, but experimental algorithm for
1622 * selecting the protocol is: 1) If the server doesn't support NPN then this
1623 * is indicated to the callback. In this case, the client application has to
1624 * abort the connection or have a default application level protocol. 2) If
1625 * the server supports NPN, but advertises an empty list then the client
1626 * selects the first protcol in its list, but indicates via the API that this
1627 * fallback case was enacted. 3) Otherwise, the client finds the first
1628 * protocol in the server's list that it supports and selects this protocol.
1629 * This is because it's assumed that the server has better information about
1630 * which protocol a client should use. 4) If the client doesn't support any
1631 * of the server's advertised protocols, then this is treated the same as
1632 * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was
1633 * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
1635 int SSL_select_next_proto(unsigned char **out
, unsigned char *outlen
,
1636 const unsigned char *server
,
1637 unsigned int server_len
,
1638 const unsigned char *client
,
1639 unsigned int client_len
)
1642 const unsigned char *result
;
1643 int status
= OPENSSL_NPN_UNSUPPORTED
;
1646 * For each protocol in server preference order, see if we support it.
1648 for (i
= 0; i
< server_len
;) {
1649 for (j
= 0; j
< client_len
;) {
1650 if (server
[i
] == client
[j
] &&
1651 memcmp(&server
[i
+ 1], &client
[j
+ 1], server
[i
]) == 0) {
1652 /* We found a match */
1653 result
= &server
[i
];
1654 status
= OPENSSL_NPN_NEGOTIATED
;
1664 /* There's no overlap between our protocols and the server's list. */
1666 status
= OPENSSL_NPN_NO_OVERLAP
;
1669 *out
= (unsigned char *)result
+ 1;
1670 *outlen
= result
[0];
1674 # ifndef OPENSSL_NO_NEXTPROTONEG
1676 * SSL_get0_next_proto_negotiated sets *data and *len to point to the
1677 * client's requested protocol for this connection and returns 0. If the
1678 * client didn't request any protocol, then *data is set to NULL. Note that
1679 * the client can request any protocol it chooses. The value returned from
1680 * this function need not be a member of the list of supported protocols
1681 * provided by the callback.
1683 void SSL_get0_next_proto_negotiated(const SSL
*s
, const unsigned char **data
,
1686 *data
= s
->next_proto_negotiated
;
1690 *len
= s
->next_proto_negotiated_len
;
1695 * SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when
1696 * a TLS server needs a list of supported protocols for Next Protocol
1697 * Negotiation. The returned list must be in wire format. The list is
1698 * returned by setting |out| to point to it and |outlen| to its length. This
1699 * memory will not be modified, but one should assume that the SSL* keeps a
1700 * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it
1701 * wishes to advertise. Otherwise, no such extension will be included in the
1704 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX
*ctx
,
1705 int (*cb
) (SSL
*ssl
,
1708 unsigned int *outlen
,
1709 void *arg
), void *arg
)
1711 ctx
->next_protos_advertised_cb
= cb
;
1712 ctx
->next_protos_advertised_cb_arg
= arg
;
1716 * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
1717 * client needs to select a protocol from the server's provided list. |out|
1718 * must be set to point to the selected protocol (which may be within |in|).
1719 * The length of the protocol name must be written into |outlen|. The
1720 * server's advertised protocols are provided in |in| and |inlen|. The
1721 * callback can assume that |in| is syntactically valid. The client must
1722 * select a protocol. It is fatal to the connection if this callback returns
1723 * a value other than SSL_TLSEXT_ERR_OK.
1725 void SSL_CTX_set_next_proto_select_cb(SSL_CTX
*ctx
,
1726 int (*cb
) (SSL
*s
, unsigned char **out
,
1727 unsigned char *outlen
,
1728 const unsigned char *in
,
1730 void *arg
), void *arg
)
1732 ctx
->next_proto_select_cb
= cb
;
1733 ctx
->next_proto_select_cb_arg
= arg
;
1738 * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|.
1739 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1740 * length-prefixed strings). Returns 0 on success.
1742 int SSL_CTX_set_alpn_protos(SSL_CTX
*ctx
, const unsigned char *protos
,
1743 unsigned protos_len
)
1745 if (ctx
->alpn_client_proto_list
)
1746 OPENSSL_free(ctx
->alpn_client_proto_list
);
1748 ctx
->alpn_client_proto_list
= OPENSSL_malloc(protos_len
);
1749 if (!ctx
->alpn_client_proto_list
)
1751 memcpy(ctx
->alpn_client_proto_list
, protos
, protos_len
);
1752 ctx
->alpn_client_proto_list_len
= protos_len
;
1758 * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|.
1759 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1760 * length-prefixed strings). Returns 0 on success.
1762 int SSL_set_alpn_protos(SSL
*ssl
, const unsigned char *protos
,
1763 unsigned protos_len
)
1765 if (ssl
->alpn_client_proto_list
)
1766 OPENSSL_free(ssl
->alpn_client_proto_list
);
1768 ssl
->alpn_client_proto_list
= OPENSSL_malloc(protos_len
);
1769 if (!ssl
->alpn_client_proto_list
)
1771 memcpy(ssl
->alpn_client_proto_list
, protos
, protos_len
);
1772 ssl
->alpn_client_proto_list_len
= protos_len
;
1778 * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is
1779 * called during ClientHello processing in order to select an ALPN protocol
1780 * from the client's list of offered protocols.
1782 void SSL_CTX_set_alpn_select_cb(SSL_CTX
*ctx
,
1783 int (*cb
) (SSL
*ssl
,
1784 const unsigned char **out
,
1785 unsigned char *outlen
,
1786 const unsigned char *in
,
1788 void *arg
), void *arg
)
1790 ctx
->alpn_select_cb
= cb
;
1791 ctx
->alpn_select_cb_arg
= arg
;
1795 * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from
1796 * |ssl|. On return it sets |*data| to point to |*len| bytes of protocol name
1797 * (not including the leading length-prefix byte). If the server didn't
1798 * respond with a negotiated protocol then |*len| will be zero.
1800 void SSL_get0_alpn_selected(const SSL
*ssl
, const unsigned char **data
,
1805 *data
= ssl
->s3
->alpn_selected
;
1809 *len
= ssl
->s3
->alpn_selected_len
;
1812 #endif /* !OPENSSL_NO_TLSEXT */
1814 int SSL_export_keying_material(SSL
*s
, unsigned char *out
, size_t olen
,
1815 const char *label
, size_t llen
,
1816 const unsigned char *p
, size_t plen
,
1819 if (s
->version
< TLS1_VERSION
)
1822 return s
->method
->ssl3_enc
->export_keying_material(s
, out
, olen
, label
,
1827 static unsigned long ssl_session_hash(const SSL_SESSION
*a
)
1832 ((unsigned int)a
->session_id
[0]) |
1833 ((unsigned int)a
->session_id
[1] << 8L) |
1834 ((unsigned long)a
->session_id
[2] << 16L) |
1835 ((unsigned long)a
->session_id
[3] << 24L);
1840 * NB: If this function (or indeed the hash function which uses a sort of
1841 * coarser function than this one) is changed, ensure
1842 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on
1843 * being able to construct an SSL_SESSION that will collide with any existing
1844 * session with a matching session ID.
1846 static int ssl_session_cmp(const SSL_SESSION
*a
, const SSL_SESSION
*b
)
1848 if (a
->ssl_version
!= b
->ssl_version
)
1850 if (a
->session_id_length
!= b
->session_id_length
)
1852 return (memcmp(a
->session_id
, b
->session_id
, a
->session_id_length
));
1856 * These wrapper functions should remain rather than redeclaring
1857 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1858 * variable. The reason is that the functions aren't static, they're exposed
1861 static IMPLEMENT_LHASH_HASH_FN(ssl_session
, SSL_SESSION
)
1862 static IMPLEMENT_LHASH_COMP_FN(ssl_session
, SSL_SESSION
)
1864 SSL_CTX
*SSL_CTX_new(const SSL_METHOD
*meth
)
1866 SSL_CTX
*ret
= NULL
;
1869 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_NULL_SSL_METHOD_PASSED
);
1873 if (FIPS_mode() && (meth
->version
< TLS1_VERSION
)) {
1874 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE
);
1878 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
1879 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS
);
1882 ret
= (SSL_CTX
*)OPENSSL_malloc(sizeof(SSL_CTX
));
1886 memset(ret
, 0, sizeof(SSL_CTX
));
1890 ret
->cert_store
= NULL
;
1891 ret
->session_cache_mode
= SSL_SESS_CACHE_SERVER
;
1892 ret
->session_cache_size
= SSL_SESSION_CACHE_MAX_SIZE_DEFAULT
;
1893 ret
->session_cache_head
= NULL
;
1894 ret
->session_cache_tail
= NULL
;
1896 /* We take the system default */
1897 ret
->session_timeout
= meth
->get_timeout();
1899 ret
->new_session_cb
= 0;
1900 ret
->remove_session_cb
= 0;
1901 ret
->get_session_cb
= 0;
1902 ret
->generate_session_id
= 0;
1904 memset((char *)&ret
->stats
, 0, sizeof(ret
->stats
));
1906 ret
->references
= 1;
1907 ret
->quiet_shutdown
= 0;
1908 ret
->info_callback
= NULL
;
1909 ret
->app_verify_callback
= 0;
1910 ret
->app_verify_arg
= NULL
;
1911 ret
->max_cert_list
= SSL_MAX_CERT_LIST_DEFAULT
;
1912 ret
->read_ahead
= 0;
1913 ret
->msg_callback
= 0;
1914 ret
->msg_callback_arg
= NULL
;
1915 ret
->verify_mode
= SSL_VERIFY_NONE
;
1916 ret
->sid_ctx_length
= 0;
1917 ret
->default_verify_callback
= NULL
;
1918 if ((ret
->cert
= ssl_cert_new()) == NULL
)
1921 ret
->default_passwd_callback
= 0;
1922 ret
->default_passwd_callback_userdata
= NULL
;
1923 ret
->client_cert_cb
= 0;
1924 ret
->app_gen_cookie_cb
= 0;
1925 ret
->app_verify_cookie_cb
= 0;
1927 ret
->sessions
= lh_SSL_SESSION_new();
1928 if (ret
->sessions
== NULL
)
1930 ret
->cert_store
= X509_STORE_new();
1931 if (ret
->cert_store
== NULL
)
1934 if(!ssl_create_cipher_list(ret
->method
,
1935 &ret
->cipher_list
, &ret
->cipher_list_by_id
,
1936 SSL_DEFAULT_CIPHER_LIST
, ret
->cert
)
1937 || sk_SSL_CIPHER_num(ret
->cipher_list
) <= 0) {
1938 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_LIBRARY_HAS_NO_CIPHERS
);
1942 ret
->param
= X509_VERIFY_PARAM_new();
1946 if ((ret
->md5
= EVP_get_digestbyname("ssl3-md5")) == NULL
) {
1947 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES
);
1950 if ((ret
->sha1
= EVP_get_digestbyname("ssl3-sha1")) == NULL
) {
1951 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES
);
1955 if ((ret
->client_CA
= sk_X509_NAME_new_null()) == NULL
)
1958 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, ret
, &ret
->ex_data
);
1960 ret
->extra_certs
= NULL
;
1961 /* No compression for DTLS */
1962 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
))
1963 ret
->comp_methods
= SSL_COMP_get_compression_methods();
1965 ret
->max_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
1967 #ifndef OPENSSL_NO_TLSEXT
1968 ret
->tlsext_servername_callback
= 0;
1969 ret
->tlsext_servername_arg
= NULL
;
1970 /* Setup RFC4507 ticket keys */
1971 if ((RAND_bytes(ret
->tlsext_tick_key_name
, 16) <= 0)
1972 || (RAND_bytes(ret
->tlsext_tick_hmac_key
, 16) <= 0)
1973 || (RAND_bytes(ret
->tlsext_tick_aes_key
, 16) <= 0))
1974 ret
->options
|= SSL_OP_NO_TICKET
;
1976 ret
->tlsext_status_cb
= 0;
1977 ret
->tlsext_status_arg
= NULL
;
1979 # ifndef OPENSSL_NO_NEXTPROTONEG
1980 ret
->next_protos_advertised_cb
= 0;
1981 ret
->next_proto_select_cb
= 0;
1984 #ifndef OPENSSL_NO_PSK
1985 ret
->psk_identity_hint
= NULL
;
1986 ret
->psk_client_callback
= NULL
;
1987 ret
->psk_server_callback
= NULL
;
1989 #ifndef OPENSSL_NO_SRP
1990 if(!SSL_CTX_SRP_CTX_init(ret
))
1993 #ifndef OPENSSL_NO_ENGINE
1994 ret
->client_cert_engine
= NULL
;
1995 # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
1996 # define eng_strx(x) #x
1997 # define eng_str(x) eng_strx(x)
1998 /* Use specific client engine automatically... ignore errors */
2001 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
2004 ENGINE_load_builtin_engines();
2005 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
2007 if (!eng
|| !SSL_CTX_set_client_cert_engine(ret
, eng
))
2013 * Default is to connect to non-RI servers. When RI is more widely
2014 * deployed might change this.
2016 ret
->options
|= SSL_OP_LEGACY_SERVER_CONNECT
;
2020 SSLerr(SSL_F_SSL_CTX_NEW
, ERR_R_MALLOC_FAILURE
);
2027 void SSL_CTX_free(SSL_CTX
*a
)
2034 i
= CRYPTO_add(&a
->references
, -1, CRYPTO_LOCK_SSL_CTX
);
2036 REF_PRINT("SSL_CTX", a
);
2042 fprintf(stderr
, "SSL_CTX_free, bad reference count\n");
2048 X509_VERIFY_PARAM_free(a
->param
);
2051 * Free internal session cache. However: the remove_cb() may reference
2052 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
2053 * after the sessions were flushed.
2054 * As the ex_data handling routines might also touch the session cache,
2055 * the most secure solution seems to be: empty (flush) the cache, then
2056 * free ex_data, then finally free the cache.
2057 * (See ticket [openssl.org #212].)
2059 if (a
->sessions
!= NULL
)
2060 SSL_CTX_flush_sessions(a
, 0);
2062 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, a
, &a
->ex_data
);
2064 if (a
->sessions
!= NULL
)
2065 lh_SSL_SESSION_free(a
->sessions
);
2067 if (a
->cert_store
!= NULL
)
2068 X509_STORE_free(a
->cert_store
);
2069 if (a
->cipher_list
!= NULL
)
2070 sk_SSL_CIPHER_free(a
->cipher_list
);
2071 if (a
->cipher_list_by_id
!= NULL
)
2072 sk_SSL_CIPHER_free(a
->cipher_list_by_id
);
2073 if (a
->cert
!= NULL
)
2074 ssl_cert_free(a
->cert
);
2075 if (a
->client_CA
!= NULL
)
2076 sk_X509_NAME_pop_free(a
->client_CA
, X509_NAME_free
);
2077 if (a
->extra_certs
!= NULL
)
2078 sk_X509_pop_free(a
->extra_certs
, X509_free
);
2079 a
->comp_methods
= NULL
;
2081 #ifndef OPENSSL_NO_SRTP
2082 if (a
->srtp_profiles
)
2083 sk_SRTP_PROTECTION_PROFILE_free(a
->srtp_profiles
);
2086 #ifndef OPENSSL_NO_PSK
2087 if (a
->psk_identity_hint
)
2088 OPENSSL_free(a
->psk_identity_hint
);
2090 #ifndef OPENSSL_NO_SRP
2091 SSL_CTX_SRP_CTX_free(a
);
2093 #ifndef OPENSSL_NO_ENGINE
2094 if (a
->client_cert_engine
)
2095 ENGINE_finish(a
->client_cert_engine
);
2098 #ifndef OPENSSL_NO_TLSEXT
2099 # ifndef OPENSSL_NO_EC
2100 if (a
->tlsext_ecpointformatlist
)
2101 OPENSSL_free(a
->tlsext_ecpointformatlist
);
2102 if (a
->tlsext_ellipticcurvelist
)
2103 OPENSSL_free(a
->tlsext_ellipticcurvelist
);
2104 # endif /* OPENSSL_NO_EC */
2105 if (a
->alpn_client_proto_list
!= NULL
)
2106 OPENSSL_free(a
->alpn_client_proto_list
);
2112 void SSL_CTX_set_default_passwd_cb(SSL_CTX
*ctx
, pem_password_cb
*cb
)
2114 ctx
->default_passwd_callback
= cb
;
2117 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX
*ctx
, void *u
)
2119 ctx
->default_passwd_callback_userdata
= u
;
2122 void SSL_CTX_set_cert_verify_callback(SSL_CTX
*ctx
,
2123 int (*cb
) (X509_STORE_CTX
*, void *),
2126 ctx
->app_verify_callback
= cb
;
2127 ctx
->app_verify_arg
= arg
;
2130 void SSL_CTX_set_verify(SSL_CTX
*ctx
, int mode
,
2131 int (*cb
) (int, X509_STORE_CTX
*))
2133 ctx
->verify_mode
= mode
;
2134 ctx
->default_verify_callback
= cb
;
2137 void SSL_CTX_set_verify_depth(SSL_CTX
*ctx
, int depth
)
2139 X509_VERIFY_PARAM_set_depth(ctx
->param
, depth
);
2142 void SSL_CTX_set_cert_cb(SSL_CTX
*c
, int (*cb
) (SSL
*ssl
, void *arg
),
2145 ssl_cert_set_cert_cb(c
->cert
, cb
, arg
);
2148 void SSL_set_cert_cb(SSL
*s
, int (*cb
) (SSL
*ssl
, void *arg
), void *arg
)
2150 ssl_cert_set_cert_cb(s
->cert
, cb
, arg
);
2153 void ssl_set_cert_masks(CERT
*c
, const SSL_CIPHER
*cipher
)
2156 int rsa_enc
, rsa_tmp
, rsa_sign
, dh_tmp
, dh_rsa
, dh_dsa
, dsa_sign
;
2157 int rsa_enc_export
, dh_rsa_export
, dh_dsa_export
;
2158 int rsa_tmp_export
, dh_tmp_export
, kl
;
2159 unsigned long mask_k
, mask_a
, emask_k
, emask_a
;
2160 #ifndef OPENSSL_NO_EC
2161 int have_ecc_cert
, ecdsa_ok
, ecc_pkey_size
;
2162 int have_ecdh_tmp
, ecdh_ok
;
2164 EVP_PKEY
*ecc_pkey
= NULL
;
2165 int signature_nid
= 0, pk_nid
= 0, md_nid
= 0;
2170 kl
= SSL_C_EXPORT_PKEYLENGTH(cipher
);
2172 #ifndef OPENSSL_NO_RSA
2173 rsa_tmp
= (c
->rsa_tmp
!= NULL
|| c
->rsa_tmp_cb
!= NULL
);
2174 rsa_tmp_export
= (c
->rsa_tmp_cb
!= NULL
||
2175 (rsa_tmp
&& RSA_size(c
->rsa_tmp
) * 8 <= kl
));
2177 rsa_tmp
= rsa_tmp_export
= 0;
2179 #ifndef OPENSSL_NO_DH
2180 dh_tmp
= (c
->dh_tmp
!= NULL
|| c
->dh_tmp_cb
!= NULL
|| c
->dh_tmp_auto
);
2181 dh_tmp_export
= !c
->dh_tmp_auto
&& (c
->dh_tmp_cb
!= NULL
||
2183 && DH_size(c
->dh_tmp
) * 8 <= kl
));
2185 dh_tmp
= dh_tmp_export
= 0;
2188 #ifndef OPENSSL_NO_EC
2189 have_ecdh_tmp
= (c
->ecdh_tmp
|| c
->ecdh_tmp_cb
|| c
->ecdh_tmp_auto
);
2191 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_ENC
]);
2192 rsa_enc
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2193 rsa_enc_export
= (rsa_enc
&& EVP_PKEY_size(cpk
->privatekey
) * 8 <= kl
);
2194 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_SIGN
]);
2195 rsa_sign
= cpk
->valid_flags
& CERT_PKEY_SIGN
;
2196 cpk
= &(c
->pkeys
[SSL_PKEY_DSA_SIGN
]);
2197 dsa_sign
= cpk
->valid_flags
& CERT_PKEY_SIGN
;
2198 cpk
= &(c
->pkeys
[SSL_PKEY_DH_RSA
]);
2199 dh_rsa
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2200 dh_rsa_export
= (dh_rsa
&& EVP_PKEY_size(cpk
->privatekey
) * 8 <= kl
);
2201 cpk
= &(c
->pkeys
[SSL_PKEY_DH_DSA
]);
2202 /* FIX THIS EAY EAY EAY */
2203 dh_dsa
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2204 dh_dsa_export
= (dh_dsa
&& EVP_PKEY_size(cpk
->privatekey
) * 8 <= kl
);
2205 cpk
= &(c
->pkeys
[SSL_PKEY_ECC
]);
2206 #ifndef OPENSSL_NO_EC
2207 have_ecc_cert
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2216 "rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
2217 rsa_tmp
, rsa_tmp_export
, dh_tmp
, have_ecdh_tmp
, rsa_enc
,
2218 rsa_enc_export
, rsa_sign
, dsa_sign
, dh_rsa
, dh_dsa
);
2221 cpk
= &(c
->pkeys
[SSL_PKEY_GOST01
]);
2222 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
) {
2223 mask_k
|= SSL_kGOST
;
2224 mask_a
|= SSL_aGOST01
;
2226 cpk
= &(c
->pkeys
[SSL_PKEY_GOST94
]);
2227 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
) {
2228 mask_k
|= SSL_kGOST
;
2229 mask_a
|= SSL_aGOST94
;
2232 if (rsa_enc
|| (rsa_tmp
&& rsa_sign
))
2234 if (rsa_enc_export
|| (rsa_tmp_export
&& (rsa_sign
|| rsa_enc
)))
2235 emask_k
|= SSL_kRSA
;
2238 emask_k
|= SSL_kDHE
;
2246 emask_k
|= SSL_kDHr
;
2251 emask_k
|= SSL_kDHd
;
2253 if (emask_k
& (SSL_kDHr
| SSL_kDHd
))
2256 if (rsa_enc
|| rsa_sign
) {
2258 emask_a
|= SSL_aRSA
;
2263 emask_a
|= SSL_aDSS
;
2266 mask_a
|= SSL_aNULL
;
2267 emask_a
|= SSL_aNULL
;
2269 #ifndef OPENSSL_NO_KRB5
2270 mask_k
|= SSL_kKRB5
;
2271 mask_a
|= SSL_aKRB5
;
2272 emask_k
|= SSL_kKRB5
;
2273 emask_a
|= SSL_aKRB5
;
2277 * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites
2278 * depending on the key usage extension.
2280 #ifndef OPENSSL_NO_EC
2281 if (have_ecc_cert
) {
2282 cpk
= &c
->pkeys
[SSL_PKEY_ECC
];
2284 /* This call populates extension flags (ex_flags) */
2285 X509_check_purpose(x
, -1, 0);
2286 ecdh_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
2287 (x
->ex_kusage
& X509v3_KU_KEY_AGREEMENT
) : 1;
2288 ecdsa_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
2289 (x
->ex_kusage
& X509v3_KU_DIGITAL_SIGNATURE
) : 1;
2290 if (!(cpk
->valid_flags
& CERT_PKEY_SIGN
))
2292 ecc_pkey
= X509_get_pubkey(x
);
2293 ecc_pkey_size
= (ecc_pkey
!= NULL
) ? EVP_PKEY_bits(ecc_pkey
) : 0;
2294 EVP_PKEY_free(ecc_pkey
);
2295 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
)) {
2296 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
2297 OBJ_find_sigid_algs(signature_nid
, &md_nid
, &pk_nid
);
2301 if (pk_nid
== NID_rsaEncryption
|| pk_nid
== NID_rsa
) {
2302 mask_k
|= SSL_kECDHr
;
2303 mask_a
|= SSL_aECDH
;
2304 if (ecc_pkey_size
<= 163) {
2305 emask_k
|= SSL_kECDHr
;
2306 emask_a
|= SSL_aECDH
;
2310 if (pk_nid
== NID_X9_62_id_ecPublicKey
) {
2311 mask_k
|= SSL_kECDHe
;
2312 mask_a
|= SSL_aECDH
;
2313 if (ecc_pkey_size
<= 163) {
2314 emask_k
|= SSL_kECDHe
;
2315 emask_a
|= SSL_aECDH
;
2320 mask_a
|= SSL_aECDSA
;
2321 emask_a
|= SSL_aECDSA
;
2326 #ifndef OPENSSL_NO_EC
2327 if (have_ecdh_tmp
) {
2328 mask_k
|= SSL_kECDHE
;
2329 emask_k
|= SSL_kECDHE
;
2333 #ifndef OPENSSL_NO_PSK
2336 emask_k
|= SSL_kPSK
;
2337 emask_a
|= SSL_aPSK
;
2342 c
->export_mask_k
= emask_k
;
2343 c
->export_mask_a
= emask_a
;
2347 /* This handy macro borrowed from crypto/x509v3/v3_purp.c */
2348 #define ku_reject(x, usage) \
2349 (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
2351 #ifndef OPENSSL_NO_EC
2353 int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, SSL
*s
)
2355 unsigned long alg_k
, alg_a
;
2356 EVP_PKEY
*pkey
= NULL
;
2358 int signature_nid
= 0, md_nid
= 0, pk_nid
= 0;
2359 const SSL_CIPHER
*cs
= s
->s3
->tmp
.new_cipher
;
2361 alg_k
= cs
->algorithm_mkey
;
2362 alg_a
= cs
->algorithm_auth
;
2364 if (SSL_C_IS_EXPORT(cs
)) {
2365 /* ECDH key length in export ciphers must be <= 163 bits */
2366 pkey
= X509_get_pubkey(x
);
2369 keysize
= EVP_PKEY_bits(pkey
);
2370 EVP_PKEY_free(pkey
);
2375 /* This call populates the ex_flags field correctly */
2376 X509_check_purpose(x
, -1, 0);
2377 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
)) {
2378 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
2379 OBJ_find_sigid_algs(signature_nid
, &md_nid
, &pk_nid
);
2381 if (alg_k
& SSL_kECDHe
|| alg_k
& SSL_kECDHr
) {
2382 /* key usage, if present, must allow key agreement */
2383 if (ku_reject(x
, X509v3_KU_KEY_AGREEMENT
)) {
2384 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2385 SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT
);
2388 if ((alg_k
& SSL_kECDHe
) && TLS1_get_version(s
) < TLS1_2_VERSION
) {
2389 /* signature alg must be ECDSA */
2390 if (pk_nid
!= NID_X9_62_id_ecPublicKey
) {
2391 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2392 SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE
);
2396 if ((alg_k
& SSL_kECDHr
) && TLS1_get_version(s
) < TLS1_2_VERSION
) {
2397 /* signature alg must be RSA */
2399 if (pk_nid
!= NID_rsaEncryption
&& pk_nid
!= NID_rsa
) {
2400 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2401 SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE
);
2406 if (alg_a
& SSL_aECDSA
) {
2407 /* key usage, if present, must allow signing */
2408 if (ku_reject(x
, X509v3_KU_DIGITAL_SIGNATURE
)) {
2409 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2410 SSL_R_ECC_CERT_NOT_FOR_SIGNING
);
2415 return 1; /* all checks are ok */
2420 static int ssl_get_server_cert_index(const SSL
*s
)
2423 idx
= ssl_cipher_get_cert_index(s
->s3
->tmp
.new_cipher
);
2424 if (idx
== SSL_PKEY_RSA_ENC
&& !s
->cert
->pkeys
[SSL_PKEY_RSA_ENC
].x509
)
2425 idx
= SSL_PKEY_RSA_SIGN
;
2427 SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX
, ERR_R_INTERNAL_ERROR
);
2431 CERT_PKEY
*ssl_get_server_send_pkey(const SSL
*s
)
2437 if (!s
->s3
|| !s
->s3
->tmp
.new_cipher
)
2439 ssl_set_cert_masks(c
, s
->s3
->tmp
.new_cipher
);
2441 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2443 * Broken protocol test: return last used certificate: which may mismatch
2446 if (c
->cert_flags
& SSL_CERT_FLAG_BROKEN_PROTOCOL
)
2450 i
= ssl_get_server_cert_index(s
);
2452 /* This may or may not be an error. */
2457 return &c
->pkeys
[i
];
2460 EVP_PKEY
*ssl_get_sign_pkey(SSL
*s
, const SSL_CIPHER
*cipher
,
2463 unsigned long alg_a
;
2467 alg_a
= cipher
->algorithm_auth
;
2470 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2472 * Broken protocol test: use last key: which may mismatch the one
2475 if (c
->cert_flags
& SSL_CERT_FLAG_BROKEN_PROTOCOL
)
2476 idx
= c
->key
- c
->pkeys
;
2480 if ((alg_a
& SSL_aDSS
) &&
2481 (c
->pkeys
[SSL_PKEY_DSA_SIGN
].privatekey
!= NULL
))
2482 idx
= SSL_PKEY_DSA_SIGN
;
2483 else if (alg_a
& SSL_aRSA
) {
2484 if (c
->pkeys
[SSL_PKEY_RSA_SIGN
].privatekey
!= NULL
)
2485 idx
= SSL_PKEY_RSA_SIGN
;
2486 else if (c
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
!= NULL
)
2487 idx
= SSL_PKEY_RSA_ENC
;
2488 } else if ((alg_a
& SSL_aECDSA
) &&
2489 (c
->pkeys
[SSL_PKEY_ECC
].privatekey
!= NULL
))
2492 SSLerr(SSL_F_SSL_GET_SIGN_PKEY
, ERR_R_INTERNAL_ERROR
);
2496 *pmd
= c
->pkeys
[idx
].digest
;
2497 return c
->pkeys
[idx
].privatekey
;
2500 #ifndef OPENSSL_NO_TLSEXT
2501 int ssl_get_server_cert_serverinfo(SSL
*s
, const unsigned char **serverinfo
,
2502 size_t *serverinfo_length
)
2506 *serverinfo_length
= 0;
2509 i
= ssl_get_server_cert_index(s
);
2513 if (c
->pkeys
[i
].serverinfo
== NULL
)
2516 *serverinfo
= c
->pkeys
[i
].serverinfo
;
2517 *serverinfo_length
= c
->pkeys
[i
].serverinfo_length
;
2522 void ssl_update_cache(SSL
*s
, int mode
)
2527 * If the session_id_length is 0, we are not supposed to cache it, and it
2528 * would be rather hard to do anyway :-)
2530 if (s
->session
->session_id_length
== 0)
2533 i
= s
->session_ctx
->session_cache_mode
;
2534 if ((i
& mode
) && (!s
->hit
)
2535 && ((i
& SSL_SESS_CACHE_NO_INTERNAL_STORE
)
2536 || SSL_CTX_add_session(s
->session_ctx
, s
->session
))
2537 && (s
->session_ctx
->new_session_cb
!= NULL
)) {
2538 CRYPTO_add(&s
->session
->references
, 1, CRYPTO_LOCK_SSL_SESSION
);
2539 if (!s
->session_ctx
->new_session_cb(s
, s
->session
))
2540 SSL_SESSION_free(s
->session
);
2543 /* auto flush every 255 connections */
2544 if ((!(i
& SSL_SESS_CACHE_NO_AUTO_CLEAR
)) && ((i
& mode
) == mode
)) {
2545 if ((((mode
& SSL_SESS_CACHE_CLIENT
)
2546 ? s
->session_ctx
->stats
.sess_connect_good
2547 : s
->session_ctx
->stats
.sess_accept_good
) & 0xff) == 0xff) {
2548 SSL_CTX_flush_sessions(s
->session_ctx
, (unsigned long)time(NULL
));
2553 const SSL_METHOD
*SSL_CTX_get_ssl_method(SSL_CTX
*ctx
)
2558 const SSL_METHOD
*SSL_get_ssl_method(SSL
*s
)
2563 int SSL_set_ssl_method(SSL
*s
, const SSL_METHOD
*meth
)
2568 if (s
->method
!= meth
) {
2569 if (s
->handshake_func
!= NULL
)
2570 conn
= (s
->handshake_func
== s
->method
->ssl_connect
);
2572 if (s
->method
->version
== meth
->version
)
2575 s
->method
->ssl_free(s
);
2577 ret
= s
->method
->ssl_new(s
);
2581 s
->handshake_func
= meth
->ssl_connect
;
2583 s
->handshake_func
= meth
->ssl_accept
;
2588 int SSL_get_error(const SSL
*s
, int i
)
2595 return (SSL_ERROR_NONE
);
2598 * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc,
2599 * where we do encode the error
2601 if ((l
= ERR_peek_error()) != 0) {
2602 if (ERR_GET_LIB(l
) == ERR_LIB_SYS
)
2603 return (SSL_ERROR_SYSCALL
);
2605 return (SSL_ERROR_SSL
);
2608 if ((i
< 0) && SSL_want_read(s
)) {
2609 bio
= SSL_get_rbio(s
);
2610 if (BIO_should_read(bio
))
2611 return (SSL_ERROR_WANT_READ
);
2612 else if (BIO_should_write(bio
))
2614 * This one doesn't make too much sense ... We never try to write
2615 * to the rbio, and an application program where rbio and wbio
2616 * are separate couldn't even know what it should wait for.
2617 * However if we ever set s->rwstate incorrectly (so that we have
2618 * SSL_want_read(s) instead of SSL_want_write(s)) and rbio and
2619 * wbio *are* the same, this test works around that bug; so it
2620 * might be safer to keep it.
2622 return (SSL_ERROR_WANT_WRITE
);
2623 else if (BIO_should_io_special(bio
)) {
2624 reason
= BIO_get_retry_reason(bio
);
2625 if (reason
== BIO_RR_CONNECT
)
2626 return (SSL_ERROR_WANT_CONNECT
);
2627 else if (reason
== BIO_RR_ACCEPT
)
2628 return (SSL_ERROR_WANT_ACCEPT
);
2630 return (SSL_ERROR_SYSCALL
); /* unknown */
2634 if ((i
< 0) && SSL_want_write(s
)) {
2635 bio
= SSL_get_wbio(s
);
2636 if (BIO_should_write(bio
))
2637 return (SSL_ERROR_WANT_WRITE
);
2638 else if (BIO_should_read(bio
))
2640 * See above (SSL_want_read(s) with BIO_should_write(bio))
2642 return (SSL_ERROR_WANT_READ
);
2643 else if (BIO_should_io_special(bio
)) {
2644 reason
= BIO_get_retry_reason(bio
);
2645 if (reason
== BIO_RR_CONNECT
)
2646 return (SSL_ERROR_WANT_CONNECT
);
2647 else if (reason
== BIO_RR_ACCEPT
)
2648 return (SSL_ERROR_WANT_ACCEPT
);
2650 return (SSL_ERROR_SYSCALL
);
2653 if ((i
< 0) && SSL_want_x509_lookup(s
)) {
2654 return (SSL_ERROR_WANT_X509_LOOKUP
);
2658 if ((s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) &&
2659 (s
->s3
->warn_alert
== SSL_AD_CLOSE_NOTIFY
))
2660 return (SSL_ERROR_ZERO_RETURN
);
2662 return (SSL_ERROR_SYSCALL
);
2665 int SSL_do_handshake(SSL
*s
)
2669 if (s
->handshake_func
== NULL
) {
2670 SSLerr(SSL_F_SSL_DO_HANDSHAKE
, SSL_R_CONNECTION_TYPE_NOT_SET
);
2674 s
->method
->ssl_renegotiate_check(s
);
2676 if (SSL_in_init(s
) || SSL_in_before(s
)) {
2677 ret
= s
->handshake_func(s
);
2683 * For the next 2 functions, SSL_clear() sets shutdown and so one of these
2684 * calls will reset it
2686 void SSL_set_accept_state(SSL
*s
)
2690 s
->state
= SSL_ST_ACCEPT
| SSL_ST_BEFORE
;
2691 s
->handshake_func
= s
->method
->ssl_accept
;
2692 /* clear the current cipher */
2693 ssl_clear_cipher_ctx(s
);
2694 ssl_clear_hash_ctx(&s
->read_hash
);
2695 ssl_clear_hash_ctx(&s
->write_hash
);
2698 void SSL_set_connect_state(SSL
*s
)
2702 s
->state
= SSL_ST_CONNECT
| SSL_ST_BEFORE
;
2703 s
->handshake_func
= s
->method
->ssl_connect
;
2704 /* clear the current cipher */
2705 ssl_clear_cipher_ctx(s
);
2706 ssl_clear_hash_ctx(&s
->read_hash
);
2707 ssl_clear_hash_ctx(&s
->write_hash
);
2710 int ssl_undefined_function(SSL
*s
)
2712 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2716 int ssl_undefined_void_function(void)
2718 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION
,
2719 ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2723 int ssl_undefined_const_function(const SSL
*s
)
2725 SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION
,
2726 ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2730 SSL_METHOD
*ssl_bad_method(int ver
)
2732 SSLerr(SSL_F_SSL_BAD_METHOD
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2736 const char *SSL_get_version(const SSL
*s
)
2738 if (s
->version
== TLS1_2_VERSION
)
2740 else if (s
->version
== TLS1_1_VERSION
)
2742 else if (s
->version
== TLS1_VERSION
)
2744 else if (s
->version
== SSL3_VERSION
)
2746 else if (s
->version
== DTLS1_BAD_VER
)
2747 return ("DTLSv0.9");
2748 else if (s
->version
== DTLS1_VERSION
)
2750 else if (s
->version
== DTLS1_2_VERSION
)
2751 return ("DTLSv1.2");
2756 SSL
*SSL_dup(SSL
*s
)
2758 STACK_OF(X509_NAME
) *sk
;
2763 if ((ret
= SSL_new(SSL_get_SSL_CTX(s
))) == NULL
)
2766 ret
->version
= s
->version
;
2767 ret
->type
= s
->type
;
2768 ret
->method
= s
->method
;
2770 if (s
->session
!= NULL
) {
2771 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2772 if(!SSL_copy_session_id(ret
, s
))
2776 * No session has been established yet, so we have to expect that
2777 * s->cert or ret->cert will be changed later -- they should not both
2778 * point to the same object, and thus we can't use
2779 * SSL_copy_session_id.
2782 ret
->method
->ssl_free(ret
);
2783 ret
->method
= s
->method
;
2784 ret
->method
->ssl_new(ret
);
2786 if (s
->cert
!= NULL
) {
2787 if (ret
->cert
!= NULL
) {
2788 ssl_cert_free(ret
->cert
);
2790 ret
->cert
= ssl_cert_dup(s
->cert
);
2791 if (ret
->cert
== NULL
)
2795 if(!SSL_set_session_id_context(ret
, s
->sid_ctx
, s
->sid_ctx_length
))
2799 ret
->options
= s
->options
;
2800 ret
->mode
= s
->mode
;
2801 SSL_set_max_cert_list(ret
, SSL_get_max_cert_list(s
));
2802 SSL_set_read_ahead(ret
, SSL_get_read_ahead(s
));
2803 ret
->msg_callback
= s
->msg_callback
;
2804 ret
->msg_callback_arg
= s
->msg_callback_arg
;
2805 SSL_set_verify(ret
, SSL_get_verify_mode(s
), SSL_get_verify_callback(s
));
2806 SSL_set_verify_depth(ret
, SSL_get_verify_depth(s
));
2807 ret
->generate_session_id
= s
->generate_session_id
;
2809 SSL_set_info_callback(ret
, SSL_get_info_callback(s
));
2811 ret
->debug
= s
->debug
;
2813 /* copy app data, a little dangerous perhaps */
2814 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL
, &ret
->ex_data
, &s
->ex_data
))
2817 /* setup rbio, and wbio */
2818 if (s
->rbio
!= NULL
) {
2819 if (!BIO_dup_state(s
->rbio
, (char *)&ret
->rbio
))
2822 if (s
->wbio
!= NULL
) {
2823 if (s
->wbio
!= s
->rbio
) {
2824 if (!BIO_dup_state(s
->wbio
, (char *)&ret
->wbio
))
2827 ret
->wbio
= ret
->rbio
;
2829 ret
->rwstate
= s
->rwstate
;
2830 ret
->in_handshake
= s
->in_handshake
;
2831 ret
->handshake_func
= s
->handshake_func
;
2832 ret
->server
= s
->server
;
2833 ret
->renegotiate
= s
->renegotiate
;
2834 ret
->new_session
= s
->new_session
;
2835 ret
->quiet_shutdown
= s
->quiet_shutdown
;
2836 ret
->shutdown
= s
->shutdown
;
2837 ret
->state
= s
->state
; /* SSL_dup does not really work at any state,
2839 ret
->rstate
= s
->rstate
;
2840 ret
->init_num
= 0; /* would have to copy ret->init_buf,
2841 * ret->init_msg, ret->init_num,
2845 X509_VERIFY_PARAM_inherit(ret
->param
, s
->param
);
2847 /* dup the cipher_list and cipher_list_by_id stacks */
2848 if (s
->cipher_list
!= NULL
) {
2849 if ((ret
->cipher_list
= sk_SSL_CIPHER_dup(s
->cipher_list
)) == NULL
)
2852 if (s
->cipher_list_by_id
!= NULL
)
2853 if ((ret
->cipher_list_by_id
= sk_SSL_CIPHER_dup(s
->cipher_list_by_id
))
2857 /* Dup the client_CA list */
2858 if (s
->client_CA
!= NULL
) {
2859 if ((sk
= sk_X509_NAME_dup(s
->client_CA
)) == NULL
)
2861 ret
->client_CA
= sk
;
2862 for (i
= 0; i
< sk_X509_NAME_num(sk
); i
++) {
2863 xn
= sk_X509_NAME_value(sk
, i
);
2864 if (sk_X509_NAME_set(sk
, i
, X509_NAME_dup(xn
)) == NULL
) {
2880 void ssl_clear_cipher_ctx(SSL
*s
)
2882 if (s
->enc_read_ctx
!= NULL
) {
2883 EVP_CIPHER_CTX_cleanup(s
->enc_read_ctx
);
2884 OPENSSL_free(s
->enc_read_ctx
);
2885 s
->enc_read_ctx
= NULL
;
2887 if (s
->enc_write_ctx
!= NULL
) {
2888 EVP_CIPHER_CTX_cleanup(s
->enc_write_ctx
);
2889 OPENSSL_free(s
->enc_write_ctx
);
2890 s
->enc_write_ctx
= NULL
;
2892 #ifndef OPENSSL_NO_COMP
2893 if (s
->expand
!= NULL
) {
2894 COMP_CTX_free(s
->expand
);
2897 if (s
->compress
!= NULL
) {
2898 COMP_CTX_free(s
->compress
);
2904 X509
*SSL_get_certificate(const SSL
*s
)
2906 if (s
->cert
!= NULL
)
2907 return (s
->cert
->key
->x509
);
2912 EVP_PKEY
*SSL_get_privatekey(const SSL
*s
)
2914 if (s
->cert
!= NULL
)
2915 return (s
->cert
->key
->privatekey
);
2920 X509
*SSL_CTX_get0_certificate(const SSL_CTX
*ctx
)
2922 if (ctx
->cert
!= NULL
)
2923 return ctx
->cert
->key
->x509
;
2928 EVP_PKEY
*SSL_CTX_get0_privatekey(const SSL_CTX
*ctx
)
2930 if (ctx
->cert
!= NULL
)
2931 return ctx
->cert
->key
->privatekey
;
2936 const SSL_CIPHER
*SSL_get_current_cipher(const SSL
*s
)
2938 if ((s
->session
!= NULL
) && (s
->session
->cipher
!= NULL
))
2939 return (s
->session
->cipher
);
2943 #ifdef OPENSSL_NO_COMP
2944 const void *SSL_get_current_compression(SSL
*s
)
2949 const void *SSL_get_current_expansion(SSL
*s
)
2955 const COMP_METHOD
*SSL_get_current_compression(SSL
*s
)
2957 if (s
->compress
!= NULL
)
2958 return (s
->compress
->meth
);
2962 const COMP_METHOD
*SSL_get_current_expansion(SSL
*s
)
2964 if (s
->expand
!= NULL
)
2965 return (s
->expand
->meth
);
2970 int ssl_init_wbio_buffer(SSL
*s
, int push
)
2974 if (s
->bbio
== NULL
) {
2975 bbio
= BIO_new(BIO_f_buffer());
2981 if (s
->bbio
== s
->wbio
)
2982 s
->wbio
= BIO_pop(s
->wbio
);
2984 (void)BIO_reset(bbio
);
2985 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
2986 if (!BIO_set_read_buffer_size(bbio
, 1)) {
2987 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER
, ERR_R_BUF_LIB
);
2991 if (s
->wbio
!= bbio
)
2992 s
->wbio
= BIO_push(bbio
, s
->wbio
);
2994 if (s
->wbio
== bbio
)
2995 s
->wbio
= BIO_pop(bbio
);
3000 void ssl_free_wbio_buffer(SSL
*s
)
3002 if (s
->bbio
== NULL
)
3005 if (s
->bbio
== s
->wbio
) {
3006 /* remove buffering */
3007 s
->wbio
= BIO_pop(s
->wbio
);
3008 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids
3009 * adding one more preprocessor symbol */
3010 assert(s
->wbio
!= NULL
);
3017 void SSL_CTX_set_quiet_shutdown(SSL_CTX
*ctx
, int mode
)
3019 ctx
->quiet_shutdown
= mode
;
3022 int SSL_CTX_get_quiet_shutdown(const SSL_CTX
*ctx
)
3024 return (ctx
->quiet_shutdown
);
3027 void SSL_set_quiet_shutdown(SSL
*s
, int mode
)
3029 s
->quiet_shutdown
= mode
;
3032 int SSL_get_quiet_shutdown(const SSL
*s
)
3034 return (s
->quiet_shutdown
);
3037 void SSL_set_shutdown(SSL
*s
, int mode
)
3042 int SSL_get_shutdown(const SSL
*s
)
3044 return (s
->shutdown
);
3047 int SSL_version(const SSL
*s
)
3049 return (s
->version
);
3052 SSL_CTX
*SSL_get_SSL_CTX(const SSL
*ssl
)
3057 SSL_CTX
*SSL_set_SSL_CTX(SSL
*ssl
, SSL_CTX
*ctx
)
3060 if (ssl
->ctx
== ctx
)
3062 #ifndef OPENSSL_NO_TLSEXT
3064 ctx
= ssl
->initial_ctx
;
3066 new_cert
= ssl_cert_dup(ctx
->cert
);
3067 if (new_cert
== NULL
) {
3070 /* Preserve any already negotiated parameters */
3072 new_cert
->peer_sigalgs
= ssl
->cert
->peer_sigalgs
;
3073 new_cert
->peer_sigalgslen
= ssl
->cert
->peer_sigalgslen
;
3074 ssl
->cert
->peer_sigalgs
= NULL
;
3075 new_cert
->ciphers_raw
= ssl
->cert
->ciphers_raw
;
3076 new_cert
->ciphers_rawlen
= ssl
->cert
->ciphers_rawlen
;
3077 ssl
->cert
->ciphers_raw
= NULL
;
3079 ssl_cert_free(ssl
->cert
);
3080 ssl
->cert
= new_cert
;
3083 * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH),
3084 * so setter APIs must prevent invalid lengths from entering the system.
3086 OPENSSL_assert(ssl
->sid_ctx_length
<= sizeof(ssl
->sid_ctx
));
3089 * If the session ID context matches that of the parent SSL_CTX,
3090 * inherit it from the new SSL_CTX as well. If however the context does
3091 * not match (i.e., it was set per-ssl with SSL_set_session_id_context),
3092 * leave it unchanged.
3094 if ((ssl
->ctx
!= NULL
) &&
3095 (ssl
->sid_ctx_length
== ssl
->ctx
->sid_ctx_length
) &&
3096 (memcmp(ssl
->sid_ctx
, ssl
->ctx
->sid_ctx
, ssl
->sid_ctx_length
) == 0)) {
3097 ssl
->sid_ctx_length
= ctx
->sid_ctx_length
;
3098 memcpy(&ssl
->sid_ctx
, &ctx
->sid_ctx
, sizeof(ssl
->sid_ctx
));
3101 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
3102 if (ssl
->ctx
!= NULL
)
3103 SSL_CTX_free(ssl
->ctx
); /* decrement reference count */
3109 #ifndef OPENSSL_NO_STDIO
3110 int SSL_CTX_set_default_verify_paths(SSL_CTX
*ctx
)
3112 return (X509_STORE_set_default_paths(ctx
->cert_store
));
3115 int SSL_CTX_load_verify_locations(SSL_CTX
*ctx
, const char *CAfile
,
3118 return (X509_STORE_load_locations(ctx
->cert_store
, CAfile
, CApath
));
3122 void SSL_set_info_callback(SSL
*ssl
,
3123 void (*cb
) (const SSL
*ssl
, int type
, int val
))
3125 ssl
->info_callback
= cb
;
3129 * One compiler (Diab DCC) doesn't like argument names in returned function
3132 void (*SSL_get_info_callback(const SSL
*ssl
)) (const SSL
* /* ssl */ ,
3135 return ssl
->info_callback
;
3138 int SSL_state(const SSL
*ssl
)
3140 return (ssl
->state
);
3143 void SSL_set_state(SSL
*ssl
, int state
)
3148 void SSL_set_verify_result(SSL
*ssl
, long arg
)
3150 ssl
->verify_result
= arg
;
3153 long SSL_get_verify_result(const SSL
*ssl
)
3155 return (ssl
->verify_result
);
3158 int SSL_get_ex_new_index(long argl
, void *argp
, CRYPTO_EX_new
*new_func
,
3159 CRYPTO_EX_dup
*dup_func
, CRYPTO_EX_free
*free_func
)
3161 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL
, argl
, argp
,
3162 new_func
, dup_func
, free_func
);
3165 int SSL_set_ex_data(SSL
*s
, int idx
, void *arg
)
3167 return (CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
));
3170 void *SSL_get_ex_data(const SSL
*s
, int idx
)
3172 return (CRYPTO_get_ex_data(&s
->ex_data
, idx
));
3175 int SSL_CTX_get_ex_new_index(long argl
, void *argp
, CRYPTO_EX_new
*new_func
,
3176 CRYPTO_EX_dup
*dup_func
,
3177 CRYPTO_EX_free
*free_func
)
3179 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX
, argl
, argp
,
3180 new_func
, dup_func
, free_func
);
3183 int SSL_CTX_set_ex_data(SSL_CTX
*s
, int idx
, void *arg
)
3185 return (CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
));
3188 void *SSL_CTX_get_ex_data(const SSL_CTX
*s
, int idx
)
3190 return (CRYPTO_get_ex_data(&s
->ex_data
, idx
));
3198 X509_STORE
*SSL_CTX_get_cert_store(const SSL_CTX
*ctx
)
3200 return (ctx
->cert_store
);
3203 void SSL_CTX_set_cert_store(SSL_CTX
*ctx
, X509_STORE
*store
)
3205 if (ctx
->cert_store
!= NULL
)
3206 X509_STORE_free(ctx
->cert_store
);
3207 ctx
->cert_store
= store
;
3210 int SSL_want(const SSL
*s
)
3212 return (s
->rwstate
);
3216 * \brief Set the callback for generating temporary RSA keys.
3217 * \param ctx the SSL context.
3218 * \param cb the callback
3221 #ifndef OPENSSL_NO_RSA
3222 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX
*ctx
, RSA
*(*cb
) (SSL
*ssl
,
3226 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_TMP_RSA_CB
, (void (*)(void))cb
);
3229 void SSL_set_tmp_rsa_callback(SSL
*ssl
, RSA
*(*cb
) (SSL
*ssl
,
3233 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_TMP_RSA_CB
, (void (*)(void))cb
);
3239 * \brief The RSA temporary key callback function.
3240 * \param ssl the SSL session.
3241 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
3242 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
3243 * of the required key in bits.
3244 * \return the temporary RSA key.
3245 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
3248 RSA
*cb(SSL
*ssl
, int is_export
, int keylength
)
3254 * \brief Set the callback for generating temporary DH keys.
3255 * \param ctx the SSL context.
3256 * \param dh the callback
3259 #ifndef OPENSSL_NO_DH
3260 void SSL_CTX_set_tmp_dh_callback(SSL_CTX
*ctx
,
3261 DH
*(*dh
) (SSL
*ssl
, int is_export
,
3264 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_TMP_DH_CB
, (void (*)(void))dh
);
3267 void SSL_set_tmp_dh_callback(SSL
*ssl
, DH
*(*dh
) (SSL
*ssl
, int is_export
,
3270 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_TMP_DH_CB
, (void (*)(void))dh
);
3274 #ifndef OPENSSL_NO_EC
3275 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX
*ctx
,
3276 EC_KEY
*(*ecdh
) (SSL
*ssl
, int is_export
,
3279 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_TMP_ECDH_CB
,
3280 (void (*)(void))ecdh
);
3283 void SSL_set_tmp_ecdh_callback(SSL
*ssl
,
3284 EC_KEY
*(*ecdh
) (SSL
*ssl
, int is_export
,
3287 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_TMP_ECDH_CB
, (void (*)(void))ecdh
);
3291 #ifndef OPENSSL_NO_PSK
3292 int SSL_CTX_use_psk_identity_hint(SSL_CTX
*ctx
, const char *identity_hint
)
3294 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
3295 SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT
,
3296 SSL_R_DATA_LENGTH_TOO_LONG
);
3299 if (ctx
->psk_identity_hint
!= NULL
)
3300 OPENSSL_free(ctx
->psk_identity_hint
);
3301 if (identity_hint
!= NULL
) {
3302 ctx
->psk_identity_hint
= BUF_strdup(identity_hint
);
3303 if (ctx
->psk_identity_hint
== NULL
)
3306 ctx
->psk_identity_hint
= NULL
;
3310 int SSL_use_psk_identity_hint(SSL
*s
, const char *identity_hint
)
3315 if (s
->session
== NULL
)
3316 return 1; /* session not created yet, ignored */
3318 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
3319 SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT
, SSL_R_DATA_LENGTH_TOO_LONG
);
3322 if (s
->session
->psk_identity_hint
!= NULL
)
3323 OPENSSL_free(s
->session
->psk_identity_hint
);
3324 if (identity_hint
!= NULL
) {
3325 s
->session
->psk_identity_hint
= BUF_strdup(identity_hint
);
3326 if (s
->session
->psk_identity_hint
== NULL
)
3329 s
->session
->psk_identity_hint
= NULL
;
3333 const char *SSL_get_psk_identity_hint(const SSL
*s
)
3335 if (s
== NULL
|| s
->session
== NULL
)
3337 return (s
->session
->psk_identity_hint
);
3340 const char *SSL_get_psk_identity(const SSL
*s
)
3342 if (s
== NULL
|| s
->session
== NULL
)
3344 return (s
->session
->psk_identity
);
3347 void SSL_set_psk_client_callback(SSL
*s
,
3348 unsigned int (*cb
) (SSL
*ssl
,
3357 s
->psk_client_callback
= cb
;
3360 void SSL_CTX_set_psk_client_callback(SSL_CTX
*ctx
,
3361 unsigned int (*cb
) (SSL
*ssl
,
3370 ctx
->psk_client_callback
= cb
;
3373 void SSL_set_psk_server_callback(SSL
*s
,
3374 unsigned int (*cb
) (SSL
*ssl
,
3375 const char *identity
,
3380 s
->psk_server_callback
= cb
;
3383 void SSL_CTX_set_psk_server_callback(SSL_CTX
*ctx
,
3384 unsigned int (*cb
) (SSL
*ssl
,
3385 const char *identity
,
3390 ctx
->psk_server_callback
= cb
;
3394 void SSL_CTX_set_msg_callback(SSL_CTX
*ctx
,
3395 void (*cb
) (int write_p
, int version
,
3396 int content_type
, const void *buf
,
3397 size_t len
, SSL
*ssl
, void *arg
))
3399 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3402 void SSL_set_msg_callback(SSL
*ssl
,
3403 void (*cb
) (int write_p
, int version
,
3404 int content_type
, const void *buf
,
3405 size_t len
, SSL
*ssl
, void *arg
))
3407 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3410 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX
*ctx
,
3411 int (*cb
) (SSL
*ssl
,
3415 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3416 (void (*)(void))cb
);
3419 void SSL_set_not_resumable_session_callback(SSL
*ssl
,
3420 int (*cb
) (SSL
*ssl
,
3421 int is_forward_secure
))
3423 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3424 (void (*)(void))cb
);
3428 * Allocates new EVP_MD_CTX and sets pointer to it into given pointer
3429 * vairable, freeing EVP_MD_CTX previously stored in that variable, if any.
3430 * If EVP_MD pointer is passed, initializes ctx with this md Returns newly
3434 EVP_MD_CTX
*ssl_replace_hash(EVP_MD_CTX
**hash
, const EVP_MD
*md
)
3436 ssl_clear_hash_ctx(hash
);
3437 *hash
= EVP_MD_CTX_create();
3439 EVP_DigestInit_ex(*hash
, md
, NULL
);
3443 void ssl_clear_hash_ctx(EVP_MD_CTX
**hash
)
3447 EVP_MD_CTX_destroy(*hash
);
3451 /* Retrieve handshake hashes */
3452 int ssl_handshake_hash(SSL
*s
, unsigned char *out
, int outlen
)
3454 unsigned char *p
= out
;
3459 EVP_MD_CTX_init(&ctx
);
3460 for (idx
= 0; ssl_get_handshake_digest(idx
, &mask
, &md
); idx
++) {
3461 if (mask
& ssl_get_algorithm2(s
)) {
3462 int hashsize
= EVP_MD_size(md
);
3463 EVP_MD_CTX
*hdgst
= s
->s3
->handshake_dgst
[idx
];
3464 if (!hdgst
|| hashsize
< 0 || hashsize
> outlen
)
3466 if (!EVP_MD_CTX_copy_ex(&ctx
, hdgst
))
3468 if (!EVP_DigestFinal_ex(&ctx
, p
, NULL
))
3476 EVP_MD_CTX_cleanup(&ctx
);
3480 void SSL_set_debug(SSL
*s
, int debug
)
3485 int SSL_cache_hit(SSL
*s
)
3490 int SSL_is_server(SSL
*s
)
3495 void SSL_set_security_level(SSL
*s
, int level
)
3497 s
->cert
->sec_level
= level
;
3500 int SSL_get_security_level(const SSL
*s
)
3502 return s
->cert
->sec_level
;
3505 void SSL_set_security_callback(SSL
*s
,
3506 int (*cb
) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3507 int bits
, int nid
, void *other
,
3510 s
->cert
->sec_cb
= cb
;
3513 int (*SSL_get_security_callback(const SSL
*s
)) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3515 void *other
, void *ex
) {
3516 return s
->cert
->sec_cb
;
3519 void SSL_set0_security_ex_data(SSL
*s
, void *ex
)
3521 s
->cert
->sec_ex
= ex
;
3524 void *SSL_get0_security_ex_data(const SSL
*s
)
3526 return s
->cert
->sec_ex
;
3529 void SSL_CTX_set_security_level(SSL_CTX
*ctx
, int level
)
3531 ctx
->cert
->sec_level
= level
;
3534 int SSL_CTX_get_security_level(const SSL_CTX
*ctx
)
3536 return ctx
->cert
->sec_level
;
3539 void SSL_CTX_set_security_callback(SSL_CTX
*ctx
,
3540 int (*cb
) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3541 int bits
, int nid
, void *other
,
3544 ctx
->cert
->sec_cb
= cb
;
3547 int (*SSL_CTX_get_security_callback(const SSL_CTX
*ctx
)) (SSL
*s
,
3553 return ctx
->cert
->sec_cb
;
3556 void SSL_CTX_set0_security_ex_data(SSL_CTX
*ctx
, void *ex
)
3558 ctx
->cert
->sec_ex
= ex
;
3561 void *SSL_CTX_get0_security_ex_data(const SSL_CTX
*ctx
)
3563 return ctx
->cert
->sec_ex
;
3566 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
, ssl_cipher_id
);