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
)
193 if (s
->method
== NULL
) {
194 SSLerr(SSL_F_SSL_CLEAR
, SSL_R_NO_METHOD_SPECIFIED
);
198 if (ssl_clear_bad_session(s
)) {
199 SSL_SESSION_free(s
->session
);
207 if (s
->renegotiate
) {
208 SSLerr(SSL_F_SSL_CLEAR
, ERR_R_INTERNAL_ERROR
);
214 s
->state
= SSL_ST_BEFORE
| ((s
->server
) ? SSL_ST_ACCEPT
: SSL_ST_CONNECT
);
216 s
->version
= s
->method
->version
;
217 s
->client_version
= s
->version
;
218 s
->rwstate
= SSL_NOTHING
;
219 s
->rstate
= SSL_ST_READ_HEADER
;
221 if (s
->init_buf
!= NULL
) {
222 BUF_MEM_free(s
->init_buf
);
226 ssl_clear_cipher_ctx(s
);
227 ssl_clear_hash_ctx(&s
->read_hash
);
228 ssl_clear_hash_ctx(&s
->write_hash
);
233 * Check to see if we were changed into a different method, if so, revert
234 * back if we are not doing session-id reuse.
236 if (!s
->in_handshake
&& (s
->session
== NULL
)
237 && (s
->method
!= s
->ctx
->method
)) {
238 s
->method
->ssl_free(s
);
239 s
->method
= s
->ctx
->method
;
240 if (!s
->method
->ssl_new(s
))
243 s
->method
->ssl_clear(s
);
247 /** Used to change an SSL_CTXs default SSL method type */
248 int SSL_CTX_set_ssl_version(SSL_CTX
*ctx
, const SSL_METHOD
*meth
)
250 STACK_OF(SSL_CIPHER
) *sk
;
254 sk
= ssl_create_cipher_list(ctx
->method
, &(ctx
->cipher_list
),
255 &(ctx
->cipher_list_by_id
),
256 SSL_DEFAULT_CIPHER_LIST
, ctx
->cert
);
257 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= 0)) {
258 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION
,
259 SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS
);
265 SSL
*SSL_new(SSL_CTX
*ctx
)
270 SSLerr(SSL_F_SSL_NEW
, SSL_R_NULL_SSL_CTX
);
273 if (ctx
->method
== NULL
) {
274 SSLerr(SSL_F_SSL_NEW
, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION
);
278 s
= (SSL
*)OPENSSL_malloc(sizeof(SSL
));
281 memset(s
, 0, sizeof(SSL
));
283 #ifndef OPENSSL_NO_KRB5
284 s
->kssl_ctx
= kssl_ctx_new();
285 #endif /* OPENSSL_NO_KRB5 */
287 s
->options
= ctx
->options
;
289 s
->max_cert_list
= ctx
->max_cert_list
;
292 * Earlier library versions used to copy the pointer to the CERT, not
293 * its contents; only when setting new parameters for the per-SSL
294 * copy, ssl_cert_new would be called (and the direct reference to
295 * the per-SSL_CTX settings would be lost, but those still were
296 * indirectly accessed for various purposes, and for that reason they
297 * used to be known as s->ctx->default_cert). Now we don't look at the
298 * SSL_CTX's CERT after having duplicated it once.
300 s
->cert
= ssl_cert_dup(ctx
->cert
);
304 RECORD_LAYER_set_read_ahead(&s
->rlayer
, ctx
->read_ahead
);
305 s
->msg_callback
= ctx
->msg_callback
;
306 s
->msg_callback_arg
= ctx
->msg_callback_arg
;
307 s
->verify_mode
= ctx
->verify_mode
;
308 s
->not_resumable_session_cb
= ctx
->not_resumable_session_cb
;
309 s
->sid_ctx_length
= ctx
->sid_ctx_length
;
310 OPENSSL_assert(s
->sid_ctx_length
<= sizeof s
->sid_ctx
);
311 memcpy(&s
->sid_ctx
, &ctx
->sid_ctx
, sizeof(s
->sid_ctx
));
312 s
->verify_callback
= ctx
->default_verify_callback
;
313 s
->generate_session_id
= ctx
->generate_session_id
;
315 s
->param
= X509_VERIFY_PARAM_new();
318 X509_VERIFY_PARAM_inherit(s
->param
, ctx
->param
);
319 s
->quiet_shutdown
= ctx
->quiet_shutdown
;
320 s
->max_send_fragment
= ctx
->max_send_fragment
;
322 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
324 #ifndef OPENSSL_NO_TLSEXT
325 s
->tlsext_debug_cb
= 0;
326 s
->tlsext_debug_arg
= NULL
;
327 s
->tlsext_ticket_expected
= 0;
328 s
->tlsext_status_type
= -1;
329 s
->tlsext_status_expected
= 0;
330 s
->tlsext_ocsp_ids
= NULL
;
331 s
->tlsext_ocsp_exts
= NULL
;
332 s
->tlsext_ocsp_resp
= NULL
;
333 s
->tlsext_ocsp_resplen
= -1;
334 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
335 s
->initial_ctx
= ctx
;
336 # ifndef OPENSSL_NO_EC
337 if (ctx
->tlsext_ecpointformatlist
) {
338 s
->tlsext_ecpointformatlist
=
339 BUF_memdup(ctx
->tlsext_ecpointformatlist
,
340 ctx
->tlsext_ecpointformatlist_length
);
341 if (!s
->tlsext_ecpointformatlist
)
343 s
->tlsext_ecpointformatlist_length
=
344 ctx
->tlsext_ecpointformatlist_length
;
346 if (ctx
->tlsext_ellipticcurvelist
) {
347 s
->tlsext_ellipticcurvelist
=
348 BUF_memdup(ctx
->tlsext_ellipticcurvelist
,
349 ctx
->tlsext_ellipticcurvelist_length
);
350 if (!s
->tlsext_ellipticcurvelist
)
352 s
->tlsext_ellipticcurvelist_length
=
353 ctx
->tlsext_ellipticcurvelist_length
;
356 # ifndef OPENSSL_NO_NEXTPROTONEG
357 s
->next_proto_negotiated
= NULL
;
360 if (s
->ctx
->alpn_client_proto_list
) {
361 s
->alpn_client_proto_list
=
362 OPENSSL_malloc(s
->ctx
->alpn_client_proto_list_len
);
363 if (s
->alpn_client_proto_list
== NULL
)
365 memcpy(s
->alpn_client_proto_list
, s
->ctx
->alpn_client_proto_list
,
366 s
->ctx
->alpn_client_proto_list_len
);
367 s
->alpn_client_proto_list_len
= s
->ctx
->alpn_client_proto_list_len
;
371 s
->verify_result
= X509_V_OK
;
373 s
->method
= ctx
->method
;
375 if (!s
->method
->ssl_new(s
))
379 s
->server
= (ctx
->method
->ssl_accept
== ssl_undefined_function
) ? 0 : 1;
384 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
386 #ifndef OPENSSL_NO_PSK
387 s
->psk_client_callback
= ctx
->psk_client_callback
;
388 s
->psk_server_callback
= ctx
->psk_server_callback
;
395 SSLerr(SSL_F_SSL_NEW
, ERR_R_MALLOC_FAILURE
);
399 int SSL_CTX_set_session_id_context(SSL_CTX
*ctx
, const unsigned char *sid_ctx
,
400 unsigned int sid_ctx_len
)
402 if (sid_ctx_len
> sizeof ctx
->sid_ctx
) {
403 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT
,
404 SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
407 ctx
->sid_ctx_length
= sid_ctx_len
;
408 memcpy(ctx
->sid_ctx
, sid_ctx
, sid_ctx_len
);
413 int SSL_set_session_id_context(SSL
*ssl
, const unsigned char *sid_ctx
,
414 unsigned int sid_ctx_len
)
416 if (sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
) {
417 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT
,
418 SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
421 ssl
->sid_ctx_length
= sid_ctx_len
;
422 memcpy(ssl
->sid_ctx
, sid_ctx
, sid_ctx_len
);
427 int SSL_CTX_set_generate_session_id(SSL_CTX
*ctx
, GEN_SESSION_CB cb
)
429 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX
);
430 ctx
->generate_session_id
= cb
;
431 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX
);
435 int SSL_set_generate_session_id(SSL
*ssl
, GEN_SESSION_CB cb
)
437 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
438 ssl
->generate_session_id
= cb
;
439 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
443 int SSL_has_matching_session_id(const SSL
*ssl
, const unsigned char *id
,
447 * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
448 * we can "construct" a session to give us the desired check - ie. to
449 * find if there's a session in the hash table that would conflict with
450 * any new session built out of this id/id_len and the ssl_version in use
455 if (id_len
> sizeof r
.session_id
)
458 r
.ssl_version
= ssl
->version
;
459 r
.session_id_length
= id_len
;
460 memcpy(r
.session_id
, id
, id_len
);
462 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX
);
463 p
= lh_SSL_SESSION_retrieve(ssl
->ctx
->sessions
, &r
);
464 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX
);
468 int SSL_CTX_set_purpose(SSL_CTX
*s
, int purpose
)
470 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
473 int SSL_set_purpose(SSL
*s
, int purpose
)
475 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
478 int SSL_CTX_set_trust(SSL_CTX
*s
, int trust
)
480 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
483 int SSL_set_trust(SSL
*s
, int trust
)
485 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
488 int SSL_CTX_set1_param(SSL_CTX
*ctx
, X509_VERIFY_PARAM
*vpm
)
490 return X509_VERIFY_PARAM_set1(ctx
->param
, vpm
);
493 int SSL_set1_param(SSL
*ssl
, X509_VERIFY_PARAM
*vpm
)
495 return X509_VERIFY_PARAM_set1(ssl
->param
, vpm
);
498 X509_VERIFY_PARAM
*SSL_CTX_get0_param(SSL_CTX
*ctx
)
503 X509_VERIFY_PARAM
*SSL_get0_param(SSL
*ssl
)
508 void SSL_certs_clear(SSL
*s
)
510 ssl_cert_clear_certs(s
->cert
);
513 void SSL_free(SSL
*s
)
520 i
= CRYPTO_add(&s
->references
, -1, CRYPTO_LOCK_SSL
);
528 fprintf(stderr
, "SSL_free, bad reference count\n");
534 X509_VERIFY_PARAM_free(s
->param
);
536 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
538 if (s
->bbio
!= NULL
) {
539 /* If the buffering BIO is in place, pop it off */
540 if (s
->bbio
== s
->wbio
) {
541 s
->wbio
= BIO_pop(s
->wbio
);
546 BIO_free_all(s
->rbio
);
547 if (s
->wbio
!= s
->rbio
)
548 BIO_free_all(s
->wbio
);
550 if (s
->init_buf
!= NULL
)
551 BUF_MEM_free(s
->init_buf
);
553 /* add extra stuff */
554 if (s
->cipher_list
!= NULL
)
555 sk_SSL_CIPHER_free(s
->cipher_list
);
556 if (s
->cipher_list_by_id
!= NULL
)
557 sk_SSL_CIPHER_free(s
->cipher_list_by_id
);
559 /* Make the next call work :-) */
560 if (s
->session
!= NULL
) {
561 ssl_clear_bad_session(s
);
562 SSL_SESSION_free(s
->session
);
565 ssl_clear_cipher_ctx(s
);
566 ssl_clear_hash_ctx(&s
->read_hash
);
567 ssl_clear_hash_ctx(&s
->write_hash
);
570 ssl_cert_free(s
->cert
);
571 /* Free up if allocated */
573 #ifndef OPENSSL_NO_TLSEXT
574 if (s
->tlsext_hostname
)
575 OPENSSL_free(s
->tlsext_hostname
);
577 SSL_CTX_free(s
->initial_ctx
);
578 # ifndef OPENSSL_NO_EC
579 if (s
->tlsext_ecpointformatlist
)
580 OPENSSL_free(s
->tlsext_ecpointformatlist
);
581 if (s
->tlsext_ellipticcurvelist
)
582 OPENSSL_free(s
->tlsext_ellipticcurvelist
);
583 # endif /* OPENSSL_NO_EC */
584 if (s
->tlsext_ocsp_exts
)
585 sk_X509_EXTENSION_pop_free(s
->tlsext_ocsp_exts
, X509_EXTENSION_free
);
586 if (s
->tlsext_ocsp_ids
)
587 sk_OCSP_RESPID_pop_free(s
->tlsext_ocsp_ids
, OCSP_RESPID_free
);
588 if (s
->tlsext_ocsp_resp
)
589 OPENSSL_free(s
->tlsext_ocsp_resp
);
590 if (s
->alpn_client_proto_list
)
591 OPENSSL_free(s
->alpn_client_proto_list
);
594 if (s
->client_CA
!= NULL
)
595 sk_X509_NAME_pop_free(s
->client_CA
, X509_NAME_free
);
597 if (s
->method
!= NULL
)
598 s
->method
->ssl_free(s
);
601 SSL_CTX_free(s
->ctx
);
603 #ifndef OPENSSL_NO_KRB5
604 if (s
->kssl_ctx
!= NULL
)
605 kssl_ctx_free(s
->kssl_ctx
);
606 #endif /* OPENSSL_NO_KRB5 */
608 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
609 if (s
->next_proto_negotiated
)
610 OPENSSL_free(s
->next_proto_negotiated
);
613 #ifndef OPENSSL_NO_SRTP
614 if (s
->srtp_profiles
)
615 sk_SRTP_PROTECTION_PROFILE_free(s
->srtp_profiles
);
621 void SSL_set_rbio(SSL
*s
, BIO
*rbio
)
624 BIO_free_all(s
->rbio
);
628 void SSL_set_wbio(SSL
*s
, BIO
*wbio
)
631 * If the output buffering BIO is still in place, remove it
633 if (s
->bbio
!= NULL
) {
634 if (s
->wbio
== s
->bbio
) {
635 s
->wbio
= s
->wbio
->next_bio
;
636 s
->bbio
->next_bio
= NULL
;
639 if (s
->wbio
!= wbio
&& s
->rbio
!= s
->wbio
)
640 BIO_free_all(s
->wbio
);
644 void SSL_set_bio(SSL
*s
, BIO
*rbio
, BIO
*wbio
)
646 SSL_set_wbio(s
, wbio
);
647 SSL_set_rbio(s
, rbio
);
650 BIO
*SSL_get_rbio(const SSL
*s
)
655 BIO
*SSL_get_wbio(const SSL
*s
)
660 int SSL_get_fd(const SSL
*s
)
662 return (SSL_get_rfd(s
));
665 int SSL_get_rfd(const SSL
*s
)
671 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
677 int SSL_get_wfd(const SSL
*s
)
683 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
689 #ifndef OPENSSL_NO_SOCK
690 int SSL_set_fd(SSL
*s
, int fd
)
695 bio
= BIO_new(BIO_s_socket());
698 SSLerr(SSL_F_SSL_SET_FD
, ERR_R_BUF_LIB
);
701 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
702 SSL_set_bio(s
, bio
, bio
);
708 int SSL_set_wfd(SSL
*s
, int fd
)
713 if ((s
->rbio
== NULL
) || (BIO_method_type(s
->rbio
) != BIO_TYPE_SOCKET
)
714 || ((int)BIO_get_fd(s
->rbio
, NULL
) != fd
)) {
715 bio
= BIO_new(BIO_s_socket());
718 SSLerr(SSL_F_SSL_SET_WFD
, ERR_R_BUF_LIB
);
721 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
722 SSL_set_bio(s
, SSL_get_rbio(s
), bio
);
724 SSL_set_bio(s
, SSL_get_rbio(s
), SSL_get_rbio(s
));
730 int SSL_set_rfd(SSL
*s
, int fd
)
735 if ((s
->wbio
== NULL
) || (BIO_method_type(s
->wbio
) != BIO_TYPE_SOCKET
)
736 || ((int)BIO_get_fd(s
->wbio
, NULL
) != fd
)) {
737 bio
= BIO_new(BIO_s_socket());
740 SSLerr(SSL_F_SSL_SET_RFD
, ERR_R_BUF_LIB
);
743 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
744 SSL_set_bio(s
, bio
, SSL_get_wbio(s
));
746 SSL_set_bio(s
, SSL_get_wbio(s
), SSL_get_wbio(s
));
753 /* return length of latest Finished message we sent, copy to 'buf' */
754 size_t SSL_get_finished(const SSL
*s
, void *buf
, size_t count
)
759 ret
= s
->s3
->tmp
.finish_md_len
;
762 memcpy(buf
, s
->s3
->tmp
.finish_md
, count
);
767 /* return length of latest Finished message we expected, copy to 'buf' */
768 size_t SSL_get_peer_finished(const SSL
*s
, void *buf
, size_t count
)
773 ret
= s
->s3
->tmp
.peer_finish_md_len
;
776 memcpy(buf
, s
->s3
->tmp
.peer_finish_md
, count
);
781 int SSL_get_verify_mode(const SSL
*s
)
783 return (s
->verify_mode
);
786 int SSL_get_verify_depth(const SSL
*s
)
788 return X509_VERIFY_PARAM_get_depth(s
->param
);
791 int (*SSL_get_verify_callback(const SSL
*s
)) (int, X509_STORE_CTX
*) {
792 return (s
->verify_callback
);
795 int SSL_CTX_get_verify_mode(const SSL_CTX
*ctx
)
797 return (ctx
->verify_mode
);
800 int SSL_CTX_get_verify_depth(const SSL_CTX
*ctx
)
802 return X509_VERIFY_PARAM_get_depth(ctx
->param
);
805 int (*SSL_CTX_get_verify_callback(const SSL_CTX
*ctx
)) (int, X509_STORE_CTX
*) {
806 return (ctx
->default_verify_callback
);
809 void SSL_set_verify(SSL
*s
, int mode
,
810 int (*callback
) (int ok
, X509_STORE_CTX
*ctx
))
812 s
->verify_mode
= mode
;
813 if (callback
!= NULL
)
814 s
->verify_callback
= callback
;
817 void SSL_set_verify_depth(SSL
*s
, int depth
)
819 X509_VERIFY_PARAM_set_depth(s
->param
, depth
);
822 void SSL_set_read_ahead(SSL
*s
, int yes
)
824 RECORD_LAYER_set_read_ahead(&s
->rlayer
, yes
);
827 int SSL_get_read_ahead(const SSL
*s
)
829 return RECORD_LAYER_get_read_ahead(&s
->rlayer
);
832 int SSL_pending(const SSL
*s
)
835 * SSL_pending cannot work properly if read-ahead is enabled
836 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is
837 * impossible to fix since SSL_pending cannot report errors that may be
838 * observed while scanning the new data. (Note that SSL_pending() is
839 * often used as a boolean value, so we'd better not return -1.)
841 return (s
->method
->ssl_pending(s
));
844 X509
*SSL_get_peer_certificate(const SSL
*s
)
848 if ((s
== NULL
) || (s
->session
== NULL
))
851 r
= s
->session
->peer
;
856 CRYPTO_add(&r
->references
, 1, CRYPTO_LOCK_X509
);
861 STACK_OF(X509
) *SSL_get_peer_cert_chain(const SSL
*s
)
865 if ((s
== NULL
) || (s
->session
== NULL
)
866 || (s
->session
->sess_cert
== NULL
))
869 r
= s
->session
->sess_cert
->cert_chain
;
872 * If we are a client, cert_chain includes the peer's own certificate; if
873 * we are a server, it does not.
880 * Now in theory, since the calling process own 't' it should be safe to
881 * modify. We need to be able to read f without being hassled
883 int SSL_copy_session_id(SSL
*t
, const SSL
*f
)
885 /* Do we need to to SSL locking? */
886 if(!SSL_set_session(t
, SSL_get_session(f
))) {
891 * what if we are setup as SSLv2 but want to talk SSLv3 or vice-versa
893 if (t
->method
!= f
->method
) {
894 t
->method
->ssl_free(t
); /* cleanup current */
895 t
->method
= f
->method
; /* change method */
896 t
->method
->ssl_new(t
); /* setup new */
899 CRYPTO_add(&f
->cert
->references
, 1, CRYPTO_LOCK_SSL_CERT
);
900 ssl_cert_free(t
->cert
);
902 if(!SSL_set_session_id_context(t
, f
->sid_ctx
, f
->sid_ctx_length
)) {
909 /* Fix this so it checks all the valid key/cert options */
910 int SSL_CTX_check_private_key(const SSL_CTX
*ctx
)
913 (ctx
->cert
->key
->x509
== NULL
)) {
914 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,
915 SSL_R_NO_CERTIFICATE_ASSIGNED
);
918 if (ctx
->cert
->key
->privatekey
== NULL
) {
919 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,
920 SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
923 return (X509_check_private_key
924 (ctx
->cert
->key
->x509
, ctx
->cert
->key
->privatekey
));
927 /* Fix this function so that it takes an optional type parameter */
928 int SSL_check_private_key(const SSL
*ssl
)
931 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, ERR_R_PASSED_NULL_PARAMETER
);
934 if (ssl
->cert
->key
->x509
== NULL
) {
935 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, SSL_R_NO_CERTIFICATE_ASSIGNED
);
938 if (ssl
->cert
->key
->privatekey
== NULL
) {
939 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
942 return (X509_check_private_key(ssl
->cert
->key
->x509
,
943 ssl
->cert
->key
->privatekey
));
946 int SSL_accept(SSL
*s
)
948 if (s
->handshake_func
== 0)
949 /* Not properly initialized yet */
950 SSL_set_accept_state(s
);
952 return (s
->method
->ssl_accept(s
));
955 int SSL_connect(SSL
*s
)
957 if (s
->handshake_func
== 0)
958 /* Not properly initialized yet */
959 SSL_set_connect_state(s
);
961 return (s
->method
->ssl_connect(s
));
964 long SSL_get_default_timeout(const SSL
*s
)
966 return (s
->method
->get_timeout());
969 int SSL_read(SSL
*s
, void *buf
, int num
)
971 if (s
->handshake_func
== 0) {
972 SSLerr(SSL_F_SSL_READ
, SSL_R_UNINITIALIZED
);
976 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
977 s
->rwstate
= SSL_NOTHING
;
980 return (s
->method
->ssl_read(s
, buf
, num
));
983 int SSL_peek(SSL
*s
, void *buf
, int num
)
985 if (s
->handshake_func
== 0) {
986 SSLerr(SSL_F_SSL_PEEK
, SSL_R_UNINITIALIZED
);
990 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
993 return (s
->method
->ssl_peek(s
, buf
, num
));
996 int SSL_write(SSL
*s
, const void *buf
, int num
)
998 if (s
->handshake_func
== 0) {
999 SSLerr(SSL_F_SSL_WRITE
, SSL_R_UNINITIALIZED
);
1003 if (s
->shutdown
& SSL_SENT_SHUTDOWN
) {
1004 s
->rwstate
= SSL_NOTHING
;
1005 SSLerr(SSL_F_SSL_WRITE
, SSL_R_PROTOCOL_IS_SHUTDOWN
);
1008 return (s
->method
->ssl_write(s
, buf
, num
));
1011 int SSL_shutdown(SSL
*s
)
1014 * Note that this function behaves differently from what one might
1015 * expect. Return values are 0 for no success (yet), 1 for success; but
1016 * calling it once is usually not enough, even if blocking I/O is used
1017 * (see ssl3_shutdown).
1020 if (s
->handshake_func
== 0) {
1021 SSLerr(SSL_F_SSL_SHUTDOWN
, SSL_R_UNINITIALIZED
);
1025 if ((s
!= NULL
) && !SSL_in_init(s
))
1026 return (s
->method
->ssl_shutdown(s
));
1031 int SSL_renegotiate(SSL
*s
)
1033 if (s
->renegotiate
== 0)
1038 return (s
->method
->ssl_renegotiate(s
));
1041 int SSL_renegotiate_abbreviated(SSL
*s
)
1043 if (s
->renegotiate
== 0)
1048 return (s
->method
->ssl_renegotiate(s
));
1051 int SSL_renegotiate_pending(SSL
*s
)
1054 * becomes true when negotiation is requested; false again once a
1055 * handshake has finished
1057 return (s
->renegotiate
!= 0);
1060 long SSL_ctrl(SSL
*s
, int cmd
, long larg
, void *parg
)
1065 case SSL_CTRL_GET_READ_AHEAD
:
1066 return (RECORD_LAYER_get_read_ahead(&s
->rlayer
));
1067 case SSL_CTRL_SET_READ_AHEAD
:
1068 l
= RECORD_LAYER_get_read_ahead(&s
->rlayer
);
1069 RECORD_LAYER_set_read_ahead(&s
->rlayer
, larg
);
1072 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1073 s
->msg_callback_arg
= parg
;
1076 case SSL_CTRL_OPTIONS
:
1077 return (s
->options
|= larg
);
1078 case SSL_CTRL_CLEAR_OPTIONS
:
1079 return (s
->options
&= ~larg
);
1081 return (s
->mode
|= larg
);
1082 case SSL_CTRL_CLEAR_MODE
:
1083 return (s
->mode
&= ~larg
);
1084 case SSL_CTRL_GET_MAX_CERT_LIST
:
1085 return (s
->max_cert_list
);
1086 case SSL_CTRL_SET_MAX_CERT_LIST
:
1087 l
= s
->max_cert_list
;
1088 s
->max_cert_list
= larg
;
1090 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1091 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1093 s
->max_send_fragment
= larg
;
1095 case SSL_CTRL_GET_RI_SUPPORT
:
1097 return s
->s3
->send_connection_binding
;
1100 case SSL_CTRL_CERT_FLAGS
:
1101 return (s
->cert
->cert_flags
|= larg
);
1102 case SSL_CTRL_CLEAR_CERT_FLAGS
:
1103 return (s
->cert
->cert_flags
&= ~larg
);
1105 case SSL_CTRL_GET_RAW_CIPHERLIST
:
1107 if (s
->cert
->ciphers_raw
== NULL
)
1109 *(unsigned char **)parg
= s
->cert
->ciphers_raw
;
1110 return (int)s
->cert
->ciphers_rawlen
;
1112 return ssl_put_cipher_by_char(s
, NULL
, NULL
);
1113 case SSL_CTRL_GET_EXTMS_SUPPORT
:
1114 if (!s
->session
|| SSL_in_init(s
) || s
->in_handshake
)
1116 if (s
->session
->flags
& SSL_SESS_FLAG_EXTMS
)
1121 return (s
->method
->ssl_ctrl(s
, cmd
, larg
, parg
));
1125 long SSL_callback_ctrl(SSL
*s
, int cmd
, void (*fp
) (void))
1128 case SSL_CTRL_SET_MSG_CALLBACK
:
1129 s
->msg_callback
= (void (*)
1130 (int write_p
, int version
, int content_type
,
1131 const void *buf
, size_t len
, SSL
*ssl
,
1136 return (s
->method
->ssl_callback_ctrl(s
, cmd
, fp
));
1140 LHASH_OF(SSL_SESSION
) *SSL_CTX_sessions(SSL_CTX
*ctx
)
1142 return ctx
->sessions
;
1145 long SSL_CTX_ctrl(SSL_CTX
*ctx
, int cmd
, long larg
, void *parg
)
1148 /* For some cases with ctx == NULL perform syntax checks */
1151 #ifndef OPENSSL_NO_EC
1152 case SSL_CTRL_SET_CURVES_LIST
:
1153 return tls1_set_curves_list(NULL
, NULL
, parg
);
1155 case SSL_CTRL_SET_SIGALGS_LIST
:
1156 case SSL_CTRL_SET_CLIENT_SIGALGS_LIST
:
1157 return tls1_set_sigalgs_list(NULL
, parg
, 0);
1164 case SSL_CTRL_GET_READ_AHEAD
:
1165 return (ctx
->read_ahead
);
1166 case SSL_CTRL_SET_READ_AHEAD
:
1167 l
= ctx
->read_ahead
;
1168 ctx
->read_ahead
= larg
;
1171 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1172 ctx
->msg_callback_arg
= parg
;
1175 case SSL_CTRL_GET_MAX_CERT_LIST
:
1176 return (ctx
->max_cert_list
);
1177 case SSL_CTRL_SET_MAX_CERT_LIST
:
1178 l
= ctx
->max_cert_list
;
1179 ctx
->max_cert_list
= larg
;
1182 case SSL_CTRL_SET_SESS_CACHE_SIZE
:
1183 l
= ctx
->session_cache_size
;
1184 ctx
->session_cache_size
= larg
;
1186 case SSL_CTRL_GET_SESS_CACHE_SIZE
:
1187 return (ctx
->session_cache_size
);
1188 case SSL_CTRL_SET_SESS_CACHE_MODE
:
1189 l
= ctx
->session_cache_mode
;
1190 ctx
->session_cache_mode
= larg
;
1192 case SSL_CTRL_GET_SESS_CACHE_MODE
:
1193 return (ctx
->session_cache_mode
);
1195 case SSL_CTRL_SESS_NUMBER
:
1196 return (lh_SSL_SESSION_num_items(ctx
->sessions
));
1197 case SSL_CTRL_SESS_CONNECT
:
1198 return (ctx
->stats
.sess_connect
);
1199 case SSL_CTRL_SESS_CONNECT_GOOD
:
1200 return (ctx
->stats
.sess_connect_good
);
1201 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE
:
1202 return (ctx
->stats
.sess_connect_renegotiate
);
1203 case SSL_CTRL_SESS_ACCEPT
:
1204 return (ctx
->stats
.sess_accept
);
1205 case SSL_CTRL_SESS_ACCEPT_GOOD
:
1206 return (ctx
->stats
.sess_accept_good
);
1207 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE
:
1208 return (ctx
->stats
.sess_accept_renegotiate
);
1209 case SSL_CTRL_SESS_HIT
:
1210 return (ctx
->stats
.sess_hit
);
1211 case SSL_CTRL_SESS_CB_HIT
:
1212 return (ctx
->stats
.sess_cb_hit
);
1213 case SSL_CTRL_SESS_MISSES
:
1214 return (ctx
->stats
.sess_miss
);
1215 case SSL_CTRL_SESS_TIMEOUTS
:
1216 return (ctx
->stats
.sess_timeout
);
1217 case SSL_CTRL_SESS_CACHE_FULL
:
1218 return (ctx
->stats
.sess_cache_full
);
1219 case SSL_CTRL_OPTIONS
:
1220 return (ctx
->options
|= larg
);
1221 case SSL_CTRL_CLEAR_OPTIONS
:
1222 return (ctx
->options
&= ~larg
);
1224 return (ctx
->mode
|= larg
);
1225 case SSL_CTRL_CLEAR_MODE
:
1226 return (ctx
->mode
&= ~larg
);
1227 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1228 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1230 ctx
->max_send_fragment
= larg
;
1232 case SSL_CTRL_CERT_FLAGS
:
1233 return (ctx
->cert
->cert_flags
|= larg
);
1234 case SSL_CTRL_CLEAR_CERT_FLAGS
:
1235 return (ctx
->cert
->cert_flags
&= ~larg
);
1237 return (ctx
->method
->ssl_ctx_ctrl(ctx
, cmd
, larg
, parg
));
1241 long SSL_CTX_callback_ctrl(SSL_CTX
*ctx
, int cmd
, void (*fp
) (void))
1244 case SSL_CTRL_SET_MSG_CALLBACK
:
1245 ctx
->msg_callback
= (void (*)
1246 (int write_p
, int version
, int content_type
,
1247 const void *buf
, size_t len
, SSL
*ssl
,
1252 return (ctx
->method
->ssl_ctx_callback_ctrl(ctx
, cmd
, fp
));
1256 int ssl_cipher_id_cmp(const SSL_CIPHER
*a
, const SSL_CIPHER
*b
)
1264 return ((l
> 0) ? 1 : -1);
1267 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
*const *ap
,
1268 const SSL_CIPHER
*const *bp
)
1272 l
= (*ap
)->id
- (*bp
)->id
;
1276 return ((l
> 0) ? 1 : -1);
1279 /** return a STACK of the ciphers available for the SSL and in order of
1281 STACK_OF(SSL_CIPHER
) *SSL_get_ciphers(const SSL
*s
)
1284 if (s
->cipher_list
!= NULL
) {
1285 return (s
->cipher_list
);
1286 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list
!= NULL
)) {
1287 return (s
->ctx
->cipher_list
);
1293 STACK_OF(SSL_CIPHER
) *SSL_get1_supported_ciphers(SSL
*s
)
1295 STACK_OF(SSL_CIPHER
) *sk
= NULL
, *ciphers
;
1297 ciphers
= SSL_get_ciphers(s
);
1300 ssl_set_client_disabled(s
);
1301 for (i
= 0; i
< sk_SSL_CIPHER_num(ciphers
); i
++) {
1302 const SSL_CIPHER
*c
= sk_SSL_CIPHER_value(ciphers
, i
);
1303 if (!ssl_cipher_disabled(s
, c
, SSL_SECOP_CIPHER_SUPPORTED
)) {
1305 sk
= sk_SSL_CIPHER_new_null();
1308 if (!sk_SSL_CIPHER_push(sk
, c
)) {
1309 sk_SSL_CIPHER_free(sk
);
1317 /** return a STACK of the ciphers available for the SSL and in order of
1319 STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL
*s
)
1322 if (s
->cipher_list_by_id
!= NULL
) {
1323 return (s
->cipher_list_by_id
);
1324 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list_by_id
!= NULL
)) {
1325 return (s
->ctx
->cipher_list_by_id
);
1331 /** The old interface to get the same thing as SSL_get_ciphers() */
1332 const char *SSL_get_cipher_list(const SSL
*s
, int n
)
1335 STACK_OF(SSL_CIPHER
) *sk
;
1339 sk
= SSL_get_ciphers(s
);
1340 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= n
))
1342 c
= sk_SSL_CIPHER_value(sk
, n
);
1348 /** specify the ciphers to be used by default by the SSL_CTX */
1349 int SSL_CTX_set_cipher_list(SSL_CTX
*ctx
, const char *str
)
1351 STACK_OF(SSL_CIPHER
) *sk
;
1353 sk
= ssl_create_cipher_list(ctx
->method
, &ctx
->cipher_list
,
1354 &ctx
->cipher_list_by_id
, str
, ctx
->cert
);
1356 * ssl_create_cipher_list may return an empty stack if it was unable to
1357 * find a cipher matching the given rule string (for example if the rule
1358 * string specifies a cipher which has been disabled). This is not an
1359 * error as far as ssl_create_cipher_list is concerned, and hence
1360 * ctx->cipher_list and ctx->cipher_list_by_id has been updated.
1364 else if (sk_SSL_CIPHER_num(sk
) == 0) {
1365 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1371 /** specify the ciphers to be used by the SSL */
1372 int SSL_set_cipher_list(SSL
*s
, const char *str
)
1374 STACK_OF(SSL_CIPHER
) *sk
;
1376 sk
= ssl_create_cipher_list(s
->ctx
->method
, &s
->cipher_list
,
1377 &s
->cipher_list_by_id
, str
, s
->cert
);
1378 /* see comment in SSL_CTX_set_cipher_list */
1381 else if (sk_SSL_CIPHER_num(sk
) == 0) {
1382 SSLerr(SSL_F_SSL_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1388 /* works well for SSLv2, not so good for SSLv3 */
1389 char *SSL_get_shared_ciphers(const SSL
*s
, char *buf
, int len
)
1392 STACK_OF(SSL_CIPHER
) *sk
;
1396 if ((s
->session
== NULL
) || (s
->session
->ciphers
== NULL
) || (len
< 2))
1400 sk
= s
->session
->ciphers
;
1402 if (sk_SSL_CIPHER_num(sk
) == 0)
1405 for (i
= 0; i
< sk_SSL_CIPHER_num(sk
); i
++) {
1408 c
= sk_SSL_CIPHER_value(sk
, i
);
1409 n
= strlen(c
->name
);
1425 int ssl_cipher_list_to_bytes(SSL
*s
, STACK_OF(SSL_CIPHER
) *sk
,
1427 int (*put_cb
) (const SSL_CIPHER
*,
1433 int empty_reneg_info_scsv
= !s
->renegotiate
;
1434 /* Set disabled masks for this session */
1435 ssl_set_client_disabled(s
);
1441 put_cb
= s
->method
->put_cipher_by_char
;
1443 for (i
= 0; i
< sk_SSL_CIPHER_num(sk
); i
++) {
1444 c
= sk_SSL_CIPHER_value(sk
, i
);
1445 /* Skip disabled ciphers */
1446 if (ssl_cipher_disabled(s
, c
, SSL_SECOP_CIPHER_SUPPORTED
))
1448 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1449 if (c
->id
== SSL3_CK_SCSV
) {
1450 if (!empty_reneg_info_scsv
)
1453 empty_reneg_info_scsv
= 0;
1460 * If p == q, no ciphers; caller indicates an error. Otherwise, add
1464 if (empty_reneg_info_scsv
) {
1465 static SSL_CIPHER scsv
= {
1466 0, NULL
, SSL3_CK_SCSV
, 0, 0, 0, 0, 0, 0, 0, 0, 0
1468 j
= put_cb(&scsv
, p
);
1470 #ifdef OPENSSL_RI_DEBUG
1472 "TLS_EMPTY_RENEGOTIATION_INFO_SCSV sent by client\n");
1475 if (s
->mode
& SSL_MODE_SEND_FALLBACK_SCSV
) {
1476 static SSL_CIPHER scsv
= {
1477 0, NULL
, SSL3_CK_FALLBACK_SCSV
, 0, 0, 0, 0, 0, 0, 0, 0, 0
1479 j
= put_cb(&scsv
, p
);
1487 STACK_OF(SSL_CIPHER
) *ssl_bytes_to_cipher_list(SSL
*s
, unsigned char *p
,
1489 STACK_OF(SSL_CIPHER
) **skp
)
1491 const SSL_CIPHER
*c
;
1492 STACK_OF(SSL_CIPHER
) *sk
;
1496 s
->s3
->send_connection_binding
= 0;
1498 n
= ssl_put_cipher_by_char(s
, NULL
, NULL
);
1499 if (n
== 0 || (num
% n
) != 0) {
1500 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,
1501 SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
1504 if ((skp
== NULL
) || (*skp
== NULL
))
1505 sk
= sk_SSL_CIPHER_new_null(); /* change perhaps later */
1508 sk_SSL_CIPHER_zero(sk
);
1511 if (s
->cert
->ciphers_raw
)
1512 OPENSSL_free(s
->cert
->ciphers_raw
);
1513 s
->cert
->ciphers_raw
= BUF_memdup(p
, num
);
1514 if (s
->cert
->ciphers_raw
== NULL
) {
1515 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1518 s
->cert
->ciphers_rawlen
= (size_t)num
;
1520 for (i
= 0; i
< num
; i
+= n
) {
1521 /* Check for TLS_EMPTY_RENEGOTIATION_INFO_SCSV */
1522 if (s
->s3
&& (n
!= 3 || !p
[0]) &&
1523 (p
[n
- 2] == ((SSL3_CK_SCSV
>> 8) & 0xff)) &&
1524 (p
[n
- 1] == (SSL3_CK_SCSV
& 0xff))) {
1525 /* SCSV fatal if renegotiating */
1526 if (s
->renegotiate
) {
1527 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,
1528 SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING
);
1529 ssl3_send_alert(s
, SSL3_AL_FATAL
, SSL_AD_HANDSHAKE_FAILURE
);
1532 s
->s3
->send_connection_binding
= 1;
1534 #ifdef OPENSSL_RI_DEBUG
1535 fprintf(stderr
, "SCSV received by server\n");
1540 /* Check for TLS_FALLBACK_SCSV */
1541 if ((n
!= 3 || !p
[0]) &&
1542 (p
[n
- 2] == ((SSL3_CK_FALLBACK_SCSV
>> 8) & 0xff)) &&
1543 (p
[n
- 1] == (SSL3_CK_FALLBACK_SCSV
& 0xff))) {
1545 * The SCSV indicates that the client previously tried a higher
1546 * version. Fail if the current version is an unexpected
1549 if (!SSL_ctrl(s
, SSL_CTRL_CHECK_PROTO_VERSION
, 0, NULL
)) {
1550 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,
1551 SSL_R_INAPPROPRIATE_FALLBACK
);
1553 ssl3_send_alert(s
, SSL3_AL_FATAL
,
1554 SSL_AD_INAPPROPRIATE_FALLBACK
);
1561 c
= ssl_get_cipher_by_char(s
, p
);
1564 if (!sk_SSL_CIPHER_push(sk
, c
)) {
1565 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1575 if ((skp
== NULL
) || (*skp
== NULL
))
1576 sk_SSL_CIPHER_free(sk
);
1580 #ifndef OPENSSL_NO_TLSEXT
1581 /** return a servername extension value if provided in Client Hello, or NULL.
1582 * So far, only host_name types are defined (RFC 3546).
1585 const char *SSL_get_servername(const SSL
*s
, const int type
)
1587 if (type
!= TLSEXT_NAMETYPE_host_name
)
1590 return s
->session
&& !s
->tlsext_hostname
?
1591 s
->session
->tlsext_hostname
: s
->tlsext_hostname
;
1594 int SSL_get_servername_type(const SSL
*s
)
1597 && (!s
->tlsext_hostname
? s
->session
->
1598 tlsext_hostname
: s
->tlsext_hostname
))
1599 return TLSEXT_NAMETYPE_host_name
;
1604 * SSL_select_next_proto implements the standard protocol selection. It is
1605 * expected that this function is called from the callback set by
1606 * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a
1607 * vector of 8-bit, length prefixed byte strings. The length byte itself is
1608 * not included in the length. A byte string of length 0 is invalid. No byte
1609 * string may be truncated. The current, but experimental algorithm for
1610 * selecting the protocol is: 1) If the server doesn't support NPN then this
1611 * is indicated to the callback. In this case, the client application has to
1612 * abort the connection or have a default application level protocol. 2) If
1613 * the server supports NPN, but advertises an empty list then the client
1614 * selects the first protcol in its list, but indicates via the API that this
1615 * fallback case was enacted. 3) Otherwise, the client finds the first
1616 * protocol in the server's list that it supports and selects this protocol.
1617 * This is because it's assumed that the server has better information about
1618 * which protocol a client should use. 4) If the client doesn't support any
1619 * of the server's advertised protocols, then this is treated the same as
1620 * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was
1621 * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
1623 int SSL_select_next_proto(unsigned char **out
, unsigned char *outlen
,
1624 const unsigned char *server
,
1625 unsigned int server_len
,
1626 const unsigned char *client
,
1627 unsigned int client_len
)
1630 const unsigned char *result
;
1631 int status
= OPENSSL_NPN_UNSUPPORTED
;
1634 * For each protocol in server preference order, see if we support it.
1636 for (i
= 0; i
< server_len
;) {
1637 for (j
= 0; j
< client_len
;) {
1638 if (server
[i
] == client
[j
] &&
1639 memcmp(&server
[i
+ 1], &client
[j
+ 1], server
[i
]) == 0) {
1640 /* We found a match */
1641 result
= &server
[i
];
1642 status
= OPENSSL_NPN_NEGOTIATED
;
1652 /* There's no overlap between our protocols and the server's list. */
1654 status
= OPENSSL_NPN_NO_OVERLAP
;
1657 *out
= (unsigned char *)result
+ 1;
1658 *outlen
= result
[0];
1662 # ifndef OPENSSL_NO_NEXTPROTONEG
1664 * SSL_get0_next_proto_negotiated sets *data and *len to point to the
1665 * client's requested protocol for this connection and returns 0. If the
1666 * client didn't request any protocol, then *data is set to NULL. Note that
1667 * the client can request any protocol it chooses. The value returned from
1668 * this function need not be a member of the list of supported protocols
1669 * provided by the callback.
1671 void SSL_get0_next_proto_negotiated(const SSL
*s
, const unsigned char **data
,
1674 *data
= s
->next_proto_negotiated
;
1678 *len
= s
->next_proto_negotiated_len
;
1683 * SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when
1684 * a TLS server needs a list of supported protocols for Next Protocol
1685 * Negotiation. The returned list must be in wire format. The list is
1686 * returned by setting |out| to point to it and |outlen| to its length. This
1687 * memory will not be modified, but one should assume that the SSL* keeps a
1688 * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it
1689 * wishes to advertise. Otherwise, no such extension will be included in the
1692 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX
*ctx
,
1693 int (*cb
) (SSL
*ssl
,
1696 unsigned int *outlen
,
1697 void *arg
), void *arg
)
1699 ctx
->next_protos_advertised_cb
= cb
;
1700 ctx
->next_protos_advertised_cb_arg
= arg
;
1704 * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
1705 * client needs to select a protocol from the server's provided list. |out|
1706 * must be set to point to the selected protocol (which may be within |in|).
1707 * The length of the protocol name must be written into |outlen|. The
1708 * server's advertised protocols are provided in |in| and |inlen|. The
1709 * callback can assume that |in| is syntactically valid. The client must
1710 * select a protocol. It is fatal to the connection if this callback returns
1711 * a value other than SSL_TLSEXT_ERR_OK.
1713 void SSL_CTX_set_next_proto_select_cb(SSL_CTX
*ctx
,
1714 int (*cb
) (SSL
*s
, unsigned char **out
,
1715 unsigned char *outlen
,
1716 const unsigned char *in
,
1718 void *arg
), void *arg
)
1720 ctx
->next_proto_select_cb
= cb
;
1721 ctx
->next_proto_select_cb_arg
= arg
;
1726 * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|.
1727 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1728 * length-prefixed strings). Returns 0 on success.
1730 int SSL_CTX_set_alpn_protos(SSL_CTX
*ctx
, const unsigned char *protos
,
1731 unsigned protos_len
)
1733 if (ctx
->alpn_client_proto_list
)
1734 OPENSSL_free(ctx
->alpn_client_proto_list
);
1736 ctx
->alpn_client_proto_list
= OPENSSL_malloc(protos_len
);
1737 if (!ctx
->alpn_client_proto_list
)
1739 memcpy(ctx
->alpn_client_proto_list
, protos
, protos_len
);
1740 ctx
->alpn_client_proto_list_len
= protos_len
;
1746 * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|.
1747 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1748 * length-prefixed strings). Returns 0 on success.
1750 int SSL_set_alpn_protos(SSL
*ssl
, const unsigned char *protos
,
1751 unsigned protos_len
)
1753 if (ssl
->alpn_client_proto_list
)
1754 OPENSSL_free(ssl
->alpn_client_proto_list
);
1756 ssl
->alpn_client_proto_list
= OPENSSL_malloc(protos_len
);
1757 if (!ssl
->alpn_client_proto_list
)
1759 memcpy(ssl
->alpn_client_proto_list
, protos
, protos_len
);
1760 ssl
->alpn_client_proto_list_len
= protos_len
;
1766 * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is
1767 * called during ClientHello processing in order to select an ALPN protocol
1768 * from the client's list of offered protocols.
1770 void SSL_CTX_set_alpn_select_cb(SSL_CTX
*ctx
,
1771 int (*cb
) (SSL
*ssl
,
1772 const unsigned char **out
,
1773 unsigned char *outlen
,
1774 const unsigned char *in
,
1776 void *arg
), void *arg
)
1778 ctx
->alpn_select_cb
= cb
;
1779 ctx
->alpn_select_cb_arg
= arg
;
1783 * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from
1784 * |ssl|. On return it sets |*data| to point to |*len| bytes of protocol name
1785 * (not including the leading length-prefix byte). If the server didn't
1786 * respond with a negotiated protocol then |*len| will be zero.
1788 void SSL_get0_alpn_selected(const SSL
*ssl
, const unsigned char **data
,
1793 *data
= ssl
->s3
->alpn_selected
;
1797 *len
= ssl
->s3
->alpn_selected_len
;
1800 #endif /* !OPENSSL_NO_TLSEXT */
1802 int SSL_export_keying_material(SSL
*s
, unsigned char *out
, size_t olen
,
1803 const char *label
, size_t llen
,
1804 const unsigned char *p
, size_t plen
,
1807 if (s
->version
< TLS1_VERSION
)
1810 return s
->method
->ssl3_enc
->export_keying_material(s
, out
, olen
, label
,
1815 static unsigned long ssl_session_hash(const SSL_SESSION
*a
)
1820 ((unsigned int)a
->session_id
[0]) |
1821 ((unsigned int)a
->session_id
[1] << 8L) |
1822 ((unsigned long)a
->session_id
[2] << 16L) |
1823 ((unsigned long)a
->session_id
[3] << 24L);
1828 * NB: If this function (or indeed the hash function which uses a sort of
1829 * coarser function than this one) is changed, ensure
1830 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on
1831 * being able to construct an SSL_SESSION that will collide with any existing
1832 * session with a matching session ID.
1834 static int ssl_session_cmp(const SSL_SESSION
*a
, const SSL_SESSION
*b
)
1836 if (a
->ssl_version
!= b
->ssl_version
)
1838 if (a
->session_id_length
!= b
->session_id_length
)
1840 return (memcmp(a
->session_id
, b
->session_id
, a
->session_id_length
));
1844 * These wrapper functions should remain rather than redeclaring
1845 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1846 * variable. The reason is that the functions aren't static, they're exposed
1849 static IMPLEMENT_LHASH_HASH_FN(ssl_session
, SSL_SESSION
)
1850 static IMPLEMENT_LHASH_COMP_FN(ssl_session
, SSL_SESSION
)
1852 SSL_CTX
*SSL_CTX_new(const SSL_METHOD
*meth
)
1854 SSL_CTX
*ret
= NULL
;
1857 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_NULL_SSL_METHOD_PASSED
);
1861 if (FIPS_mode() && (meth
->version
< TLS1_VERSION
)) {
1862 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE
);
1866 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
1867 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS
);
1870 ret
= (SSL_CTX
*)OPENSSL_malloc(sizeof(SSL_CTX
));
1874 memset(ret
, 0, sizeof(SSL_CTX
));
1878 ret
->cert_store
= NULL
;
1879 ret
->session_cache_mode
= SSL_SESS_CACHE_SERVER
;
1880 ret
->session_cache_size
= SSL_SESSION_CACHE_MAX_SIZE_DEFAULT
;
1881 ret
->session_cache_head
= NULL
;
1882 ret
->session_cache_tail
= NULL
;
1884 /* We take the system default */
1885 ret
->session_timeout
= meth
->get_timeout();
1887 ret
->new_session_cb
= 0;
1888 ret
->remove_session_cb
= 0;
1889 ret
->get_session_cb
= 0;
1890 ret
->generate_session_id
= 0;
1892 memset((char *)&ret
->stats
, 0, sizeof(ret
->stats
));
1894 ret
->references
= 1;
1895 ret
->quiet_shutdown
= 0;
1896 ret
->info_callback
= NULL
;
1897 ret
->app_verify_callback
= 0;
1898 ret
->app_verify_arg
= NULL
;
1899 ret
->max_cert_list
= SSL_MAX_CERT_LIST_DEFAULT
;
1900 ret
->read_ahead
= 0;
1901 ret
->msg_callback
= 0;
1902 ret
->msg_callback_arg
= NULL
;
1903 ret
->verify_mode
= SSL_VERIFY_NONE
;
1904 ret
->sid_ctx_length
= 0;
1905 ret
->default_verify_callback
= NULL
;
1906 if ((ret
->cert
= ssl_cert_new()) == NULL
)
1909 ret
->default_passwd_callback
= 0;
1910 ret
->default_passwd_callback_userdata
= NULL
;
1911 ret
->client_cert_cb
= 0;
1912 ret
->app_gen_cookie_cb
= 0;
1913 ret
->app_verify_cookie_cb
= 0;
1915 ret
->sessions
= lh_SSL_SESSION_new();
1916 if (ret
->sessions
== NULL
)
1918 ret
->cert_store
= X509_STORE_new();
1919 if (ret
->cert_store
== NULL
)
1922 if(!ssl_create_cipher_list(ret
->method
,
1923 &ret
->cipher_list
, &ret
->cipher_list_by_id
,
1924 SSL_DEFAULT_CIPHER_LIST
, ret
->cert
)
1925 || sk_SSL_CIPHER_num(ret
->cipher_list
) <= 0) {
1926 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_LIBRARY_HAS_NO_CIPHERS
);
1930 ret
->param
= X509_VERIFY_PARAM_new();
1934 if ((ret
->md5
= EVP_get_digestbyname("ssl3-md5")) == NULL
) {
1935 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES
);
1938 if ((ret
->sha1
= EVP_get_digestbyname("ssl3-sha1")) == NULL
) {
1939 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES
);
1943 if ((ret
->client_CA
= sk_X509_NAME_new_null()) == NULL
)
1946 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, ret
, &ret
->ex_data
);
1948 ret
->extra_certs
= NULL
;
1949 /* No compression for DTLS */
1950 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
))
1951 ret
->comp_methods
= SSL_COMP_get_compression_methods();
1953 ret
->max_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
1955 #ifndef OPENSSL_NO_TLSEXT
1956 ret
->tlsext_servername_callback
= 0;
1957 ret
->tlsext_servername_arg
= NULL
;
1958 /* Setup RFC4507 ticket keys */
1959 if ((RAND_bytes(ret
->tlsext_tick_key_name
, 16) <= 0)
1960 || (RAND_bytes(ret
->tlsext_tick_hmac_key
, 16) <= 0)
1961 || (RAND_bytes(ret
->tlsext_tick_aes_key
, 16) <= 0))
1962 ret
->options
|= SSL_OP_NO_TICKET
;
1964 ret
->tlsext_status_cb
= 0;
1965 ret
->tlsext_status_arg
= NULL
;
1967 # ifndef OPENSSL_NO_NEXTPROTONEG
1968 ret
->next_protos_advertised_cb
= 0;
1969 ret
->next_proto_select_cb
= 0;
1972 #ifndef OPENSSL_NO_PSK
1973 ret
->psk_identity_hint
= NULL
;
1974 ret
->psk_client_callback
= NULL
;
1975 ret
->psk_server_callback
= NULL
;
1977 #ifndef OPENSSL_NO_SRP
1978 if(!SSL_CTX_SRP_CTX_init(ret
))
1981 #ifndef OPENSSL_NO_ENGINE
1982 ret
->client_cert_engine
= NULL
;
1983 # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
1984 # define eng_strx(x) #x
1985 # define eng_str(x) eng_strx(x)
1986 /* Use specific client engine automatically... ignore errors */
1989 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
1992 ENGINE_load_builtin_engines();
1993 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
1995 if (!eng
|| !SSL_CTX_set_client_cert_engine(ret
, eng
))
2001 * Default is to connect to non-RI servers. When RI is more widely
2002 * deployed might change this.
2004 ret
->options
|= SSL_OP_LEGACY_SERVER_CONNECT
;
2008 SSLerr(SSL_F_SSL_CTX_NEW
, ERR_R_MALLOC_FAILURE
);
2015 void SSL_CTX_free(SSL_CTX
*a
)
2022 i
= CRYPTO_add(&a
->references
, -1, CRYPTO_LOCK_SSL_CTX
);
2024 REF_PRINT("SSL_CTX", a
);
2030 fprintf(stderr
, "SSL_CTX_free, bad reference count\n");
2036 X509_VERIFY_PARAM_free(a
->param
);
2039 * Free internal session cache. However: the remove_cb() may reference
2040 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
2041 * after the sessions were flushed.
2042 * As the ex_data handling routines might also touch the session cache,
2043 * the most secure solution seems to be: empty (flush) the cache, then
2044 * free ex_data, then finally free the cache.
2045 * (See ticket [openssl.org #212].)
2047 if (a
->sessions
!= NULL
)
2048 SSL_CTX_flush_sessions(a
, 0);
2050 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, a
, &a
->ex_data
);
2052 if (a
->sessions
!= NULL
)
2053 lh_SSL_SESSION_free(a
->sessions
);
2055 if (a
->cert_store
!= NULL
)
2056 X509_STORE_free(a
->cert_store
);
2057 if (a
->cipher_list
!= NULL
)
2058 sk_SSL_CIPHER_free(a
->cipher_list
);
2059 if (a
->cipher_list_by_id
!= NULL
)
2060 sk_SSL_CIPHER_free(a
->cipher_list_by_id
);
2061 if (a
->cert
!= NULL
)
2062 ssl_cert_free(a
->cert
);
2063 if (a
->client_CA
!= NULL
)
2064 sk_X509_NAME_pop_free(a
->client_CA
, X509_NAME_free
);
2065 if (a
->extra_certs
!= NULL
)
2066 sk_X509_pop_free(a
->extra_certs
, X509_free
);
2067 a
->comp_methods
= NULL
;
2069 #ifndef OPENSSL_NO_SRTP
2070 if (a
->srtp_profiles
)
2071 sk_SRTP_PROTECTION_PROFILE_free(a
->srtp_profiles
);
2074 #ifndef OPENSSL_NO_PSK
2075 if (a
->psk_identity_hint
)
2076 OPENSSL_free(a
->psk_identity_hint
);
2078 #ifndef OPENSSL_NO_SRP
2079 SSL_CTX_SRP_CTX_free(a
);
2081 #ifndef OPENSSL_NO_ENGINE
2082 if (a
->client_cert_engine
)
2083 ENGINE_finish(a
->client_cert_engine
);
2086 #ifndef OPENSSL_NO_TLSEXT
2087 # ifndef OPENSSL_NO_EC
2088 if (a
->tlsext_ecpointformatlist
)
2089 OPENSSL_free(a
->tlsext_ecpointformatlist
);
2090 if (a
->tlsext_ellipticcurvelist
)
2091 OPENSSL_free(a
->tlsext_ellipticcurvelist
);
2092 # endif /* OPENSSL_NO_EC */
2093 if (a
->alpn_client_proto_list
!= NULL
)
2094 OPENSSL_free(a
->alpn_client_proto_list
);
2100 void SSL_CTX_set_default_passwd_cb(SSL_CTX
*ctx
, pem_password_cb
*cb
)
2102 ctx
->default_passwd_callback
= cb
;
2105 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX
*ctx
, void *u
)
2107 ctx
->default_passwd_callback_userdata
= u
;
2110 void SSL_CTX_set_cert_verify_callback(SSL_CTX
*ctx
,
2111 int (*cb
) (X509_STORE_CTX
*, void *),
2114 ctx
->app_verify_callback
= cb
;
2115 ctx
->app_verify_arg
= arg
;
2118 void SSL_CTX_set_verify(SSL_CTX
*ctx
, int mode
,
2119 int (*cb
) (int, X509_STORE_CTX
*))
2121 ctx
->verify_mode
= mode
;
2122 ctx
->default_verify_callback
= cb
;
2125 void SSL_CTX_set_verify_depth(SSL_CTX
*ctx
, int depth
)
2127 X509_VERIFY_PARAM_set_depth(ctx
->param
, depth
);
2130 void SSL_CTX_set_cert_cb(SSL_CTX
*c
, int (*cb
) (SSL
*ssl
, void *arg
),
2133 ssl_cert_set_cert_cb(c
->cert
, cb
, arg
);
2136 void SSL_set_cert_cb(SSL
*s
, int (*cb
) (SSL
*ssl
, void *arg
), void *arg
)
2138 ssl_cert_set_cert_cb(s
->cert
, cb
, arg
);
2141 void ssl_set_cert_masks(CERT
*c
, const SSL_CIPHER
*cipher
)
2144 int rsa_enc
, rsa_tmp
, rsa_sign
, dh_tmp
, dh_rsa
, dh_dsa
, dsa_sign
;
2145 int rsa_enc_export
, dh_rsa_export
, dh_dsa_export
;
2146 int rsa_tmp_export
, dh_tmp_export
, kl
;
2147 unsigned long mask_k
, mask_a
, emask_k
, emask_a
;
2148 #ifndef OPENSSL_NO_EC
2149 int have_ecc_cert
, ecdsa_ok
, ecc_pkey_size
;
2150 int have_ecdh_tmp
, ecdh_ok
;
2152 EVP_PKEY
*ecc_pkey
= NULL
;
2153 int signature_nid
= 0, pk_nid
= 0, md_nid
= 0;
2158 kl
= SSL_C_EXPORT_PKEYLENGTH(cipher
);
2160 #ifndef OPENSSL_NO_RSA
2161 rsa_tmp
= (c
->rsa_tmp
!= NULL
|| c
->rsa_tmp_cb
!= NULL
);
2162 rsa_tmp_export
= (c
->rsa_tmp_cb
!= NULL
||
2163 (rsa_tmp
&& RSA_size(c
->rsa_tmp
) * 8 <= kl
));
2165 rsa_tmp
= rsa_tmp_export
= 0;
2167 #ifndef OPENSSL_NO_DH
2168 dh_tmp
= (c
->dh_tmp
!= NULL
|| c
->dh_tmp_cb
!= NULL
|| c
->dh_tmp_auto
);
2169 dh_tmp_export
= !c
->dh_tmp_auto
&& (c
->dh_tmp_cb
!= NULL
||
2171 && DH_size(c
->dh_tmp
) * 8 <= kl
));
2173 dh_tmp
= dh_tmp_export
= 0;
2176 #ifndef OPENSSL_NO_EC
2177 have_ecdh_tmp
= (c
->ecdh_tmp
|| c
->ecdh_tmp_cb
|| c
->ecdh_tmp_auto
);
2179 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_ENC
]);
2180 rsa_enc
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2181 rsa_enc_export
= (rsa_enc
&& EVP_PKEY_size(cpk
->privatekey
) * 8 <= kl
);
2182 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_SIGN
]);
2183 rsa_sign
= cpk
->valid_flags
& CERT_PKEY_SIGN
;
2184 cpk
= &(c
->pkeys
[SSL_PKEY_DSA_SIGN
]);
2185 dsa_sign
= cpk
->valid_flags
& CERT_PKEY_SIGN
;
2186 cpk
= &(c
->pkeys
[SSL_PKEY_DH_RSA
]);
2187 dh_rsa
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2188 dh_rsa_export
= (dh_rsa
&& EVP_PKEY_size(cpk
->privatekey
) * 8 <= kl
);
2189 cpk
= &(c
->pkeys
[SSL_PKEY_DH_DSA
]);
2190 /* FIX THIS EAY EAY EAY */
2191 dh_dsa
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2192 dh_dsa_export
= (dh_dsa
&& EVP_PKEY_size(cpk
->privatekey
) * 8 <= kl
);
2193 cpk
= &(c
->pkeys
[SSL_PKEY_ECC
]);
2194 #ifndef OPENSSL_NO_EC
2195 have_ecc_cert
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2204 "rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
2205 rsa_tmp
, rsa_tmp_export
, dh_tmp
, have_ecdh_tmp
, rsa_enc
,
2206 rsa_enc_export
, rsa_sign
, dsa_sign
, dh_rsa
, dh_dsa
);
2209 cpk
= &(c
->pkeys
[SSL_PKEY_GOST01
]);
2210 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
) {
2211 mask_k
|= SSL_kGOST
;
2212 mask_a
|= SSL_aGOST01
;
2214 cpk
= &(c
->pkeys
[SSL_PKEY_GOST94
]);
2215 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
) {
2216 mask_k
|= SSL_kGOST
;
2217 mask_a
|= SSL_aGOST94
;
2220 if (rsa_enc
|| (rsa_tmp
&& rsa_sign
))
2222 if (rsa_enc_export
|| (rsa_tmp_export
&& (rsa_sign
|| rsa_enc
)))
2223 emask_k
|= SSL_kRSA
;
2226 emask_k
|= SSL_kDHE
;
2234 emask_k
|= SSL_kDHr
;
2239 emask_k
|= SSL_kDHd
;
2241 if (emask_k
& (SSL_kDHr
| SSL_kDHd
))
2244 if (rsa_enc
|| rsa_sign
) {
2246 emask_a
|= SSL_aRSA
;
2251 emask_a
|= SSL_aDSS
;
2254 mask_a
|= SSL_aNULL
;
2255 emask_a
|= SSL_aNULL
;
2257 #ifndef OPENSSL_NO_KRB5
2258 mask_k
|= SSL_kKRB5
;
2259 mask_a
|= SSL_aKRB5
;
2260 emask_k
|= SSL_kKRB5
;
2261 emask_a
|= SSL_aKRB5
;
2265 * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites
2266 * depending on the key usage extension.
2268 #ifndef OPENSSL_NO_EC
2269 if (have_ecc_cert
) {
2270 cpk
= &c
->pkeys
[SSL_PKEY_ECC
];
2272 /* This call populates extension flags (ex_flags) */
2273 X509_check_purpose(x
, -1, 0);
2274 ecdh_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
2275 (x
->ex_kusage
& X509v3_KU_KEY_AGREEMENT
) : 1;
2276 ecdsa_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
2277 (x
->ex_kusage
& X509v3_KU_DIGITAL_SIGNATURE
) : 1;
2278 if (!(cpk
->valid_flags
& CERT_PKEY_SIGN
))
2280 ecc_pkey
= X509_get_pubkey(x
);
2281 ecc_pkey_size
= (ecc_pkey
!= NULL
) ? EVP_PKEY_bits(ecc_pkey
) : 0;
2282 EVP_PKEY_free(ecc_pkey
);
2283 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
)) {
2284 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
2285 OBJ_find_sigid_algs(signature_nid
, &md_nid
, &pk_nid
);
2289 if (pk_nid
== NID_rsaEncryption
|| pk_nid
== NID_rsa
) {
2290 mask_k
|= SSL_kECDHr
;
2291 mask_a
|= SSL_aECDH
;
2292 if (ecc_pkey_size
<= 163) {
2293 emask_k
|= SSL_kECDHr
;
2294 emask_a
|= SSL_aECDH
;
2298 if (pk_nid
== NID_X9_62_id_ecPublicKey
) {
2299 mask_k
|= SSL_kECDHe
;
2300 mask_a
|= SSL_aECDH
;
2301 if (ecc_pkey_size
<= 163) {
2302 emask_k
|= SSL_kECDHe
;
2303 emask_a
|= SSL_aECDH
;
2308 mask_a
|= SSL_aECDSA
;
2309 emask_a
|= SSL_aECDSA
;
2314 #ifndef OPENSSL_NO_EC
2315 if (have_ecdh_tmp
) {
2316 mask_k
|= SSL_kECDHE
;
2317 emask_k
|= SSL_kECDHE
;
2321 #ifndef OPENSSL_NO_PSK
2324 emask_k
|= SSL_kPSK
;
2325 emask_a
|= SSL_aPSK
;
2330 c
->export_mask_k
= emask_k
;
2331 c
->export_mask_a
= emask_a
;
2335 /* This handy macro borrowed from crypto/x509v3/v3_purp.c */
2336 #define ku_reject(x, usage) \
2337 (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
2339 #ifndef OPENSSL_NO_EC
2341 int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, SSL
*s
)
2343 unsigned long alg_k
, alg_a
;
2344 EVP_PKEY
*pkey
= NULL
;
2346 int signature_nid
= 0, md_nid
= 0, pk_nid
= 0;
2347 const SSL_CIPHER
*cs
= s
->s3
->tmp
.new_cipher
;
2349 alg_k
= cs
->algorithm_mkey
;
2350 alg_a
= cs
->algorithm_auth
;
2352 if (SSL_C_IS_EXPORT(cs
)) {
2353 /* ECDH key length in export ciphers must be <= 163 bits */
2354 pkey
= X509_get_pubkey(x
);
2357 keysize
= EVP_PKEY_bits(pkey
);
2358 EVP_PKEY_free(pkey
);
2363 /* This call populates the ex_flags field correctly */
2364 X509_check_purpose(x
, -1, 0);
2365 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
)) {
2366 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
2367 OBJ_find_sigid_algs(signature_nid
, &md_nid
, &pk_nid
);
2369 if (alg_k
& SSL_kECDHe
|| alg_k
& SSL_kECDHr
) {
2370 /* key usage, if present, must allow key agreement */
2371 if (ku_reject(x
, X509v3_KU_KEY_AGREEMENT
)) {
2372 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2373 SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT
);
2376 if ((alg_k
& SSL_kECDHe
) && TLS1_get_version(s
) < TLS1_2_VERSION
) {
2377 /* signature alg must be ECDSA */
2378 if (pk_nid
!= NID_X9_62_id_ecPublicKey
) {
2379 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2380 SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE
);
2384 if ((alg_k
& SSL_kECDHr
) && TLS1_get_version(s
) < TLS1_2_VERSION
) {
2385 /* signature alg must be RSA */
2387 if (pk_nid
!= NID_rsaEncryption
&& pk_nid
!= NID_rsa
) {
2388 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2389 SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE
);
2394 if (alg_a
& SSL_aECDSA
) {
2395 /* key usage, if present, must allow signing */
2396 if (ku_reject(x
, X509v3_KU_DIGITAL_SIGNATURE
)) {
2397 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2398 SSL_R_ECC_CERT_NOT_FOR_SIGNING
);
2403 return 1; /* all checks are ok */
2408 static int ssl_get_server_cert_index(const SSL
*s
)
2411 idx
= ssl_cipher_get_cert_index(s
->s3
->tmp
.new_cipher
);
2412 if (idx
== SSL_PKEY_RSA_ENC
&& !s
->cert
->pkeys
[SSL_PKEY_RSA_ENC
].x509
)
2413 idx
= SSL_PKEY_RSA_SIGN
;
2415 SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX
, ERR_R_INTERNAL_ERROR
);
2419 CERT_PKEY
*ssl_get_server_send_pkey(const SSL
*s
)
2425 if (!s
->s3
|| !s
->s3
->tmp
.new_cipher
)
2427 ssl_set_cert_masks(c
, s
->s3
->tmp
.new_cipher
);
2429 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2431 * Broken protocol test: return last used certificate: which may mismatch
2434 if (c
->cert_flags
& SSL_CERT_FLAG_BROKEN_PROTOCOL
)
2438 i
= ssl_get_server_cert_index(s
);
2440 /* This may or may not be an error. */
2445 return &c
->pkeys
[i
];
2448 EVP_PKEY
*ssl_get_sign_pkey(SSL
*s
, const SSL_CIPHER
*cipher
,
2451 unsigned long alg_a
;
2455 alg_a
= cipher
->algorithm_auth
;
2458 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2460 * Broken protocol test: use last key: which may mismatch the one
2463 if (c
->cert_flags
& SSL_CERT_FLAG_BROKEN_PROTOCOL
)
2464 idx
= c
->key
- c
->pkeys
;
2468 if ((alg_a
& SSL_aDSS
) &&
2469 (c
->pkeys
[SSL_PKEY_DSA_SIGN
].privatekey
!= NULL
))
2470 idx
= SSL_PKEY_DSA_SIGN
;
2471 else if (alg_a
& SSL_aRSA
) {
2472 if (c
->pkeys
[SSL_PKEY_RSA_SIGN
].privatekey
!= NULL
)
2473 idx
= SSL_PKEY_RSA_SIGN
;
2474 else if (c
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
!= NULL
)
2475 idx
= SSL_PKEY_RSA_ENC
;
2476 } else if ((alg_a
& SSL_aECDSA
) &&
2477 (c
->pkeys
[SSL_PKEY_ECC
].privatekey
!= NULL
))
2480 SSLerr(SSL_F_SSL_GET_SIGN_PKEY
, ERR_R_INTERNAL_ERROR
);
2484 *pmd
= c
->pkeys
[idx
].digest
;
2485 return c
->pkeys
[idx
].privatekey
;
2488 #ifndef OPENSSL_NO_TLSEXT
2489 int ssl_get_server_cert_serverinfo(SSL
*s
, const unsigned char **serverinfo
,
2490 size_t *serverinfo_length
)
2494 *serverinfo_length
= 0;
2497 i
= ssl_get_server_cert_index(s
);
2501 if (c
->pkeys
[i
].serverinfo
== NULL
)
2504 *serverinfo
= c
->pkeys
[i
].serverinfo
;
2505 *serverinfo_length
= c
->pkeys
[i
].serverinfo_length
;
2510 void ssl_update_cache(SSL
*s
, int mode
)
2515 * If the session_id_length is 0, we are not supposed to cache it, and it
2516 * would be rather hard to do anyway :-)
2518 if (s
->session
->session_id_length
== 0)
2521 i
= s
->session_ctx
->session_cache_mode
;
2522 if ((i
& mode
) && (!s
->hit
)
2523 && ((i
& SSL_SESS_CACHE_NO_INTERNAL_STORE
)
2524 || SSL_CTX_add_session(s
->session_ctx
, s
->session
))
2525 && (s
->session_ctx
->new_session_cb
!= NULL
)) {
2526 CRYPTO_add(&s
->session
->references
, 1, CRYPTO_LOCK_SSL_SESSION
);
2527 if (!s
->session_ctx
->new_session_cb(s
, s
->session
))
2528 SSL_SESSION_free(s
->session
);
2531 /* auto flush every 255 connections */
2532 if ((!(i
& SSL_SESS_CACHE_NO_AUTO_CLEAR
)) && ((i
& mode
) == mode
)) {
2533 if ((((mode
& SSL_SESS_CACHE_CLIENT
)
2534 ? s
->session_ctx
->stats
.sess_connect_good
2535 : s
->session_ctx
->stats
.sess_accept_good
) & 0xff) == 0xff) {
2536 SSL_CTX_flush_sessions(s
->session_ctx
, (unsigned long)time(NULL
));
2541 const SSL_METHOD
*SSL_CTX_get_ssl_method(SSL_CTX
*ctx
)
2546 const SSL_METHOD
*SSL_get_ssl_method(SSL
*s
)
2551 int SSL_set_ssl_method(SSL
*s
, const SSL_METHOD
*meth
)
2556 if (s
->method
!= meth
) {
2557 if (s
->handshake_func
!= NULL
)
2558 conn
= (s
->handshake_func
== s
->method
->ssl_connect
);
2560 if (s
->method
->version
== meth
->version
)
2563 s
->method
->ssl_free(s
);
2565 ret
= s
->method
->ssl_new(s
);
2569 s
->handshake_func
= meth
->ssl_connect
;
2571 s
->handshake_func
= meth
->ssl_accept
;
2576 int SSL_get_error(const SSL
*s
, int i
)
2583 return (SSL_ERROR_NONE
);
2586 * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc,
2587 * where we do encode the error
2589 if ((l
= ERR_peek_error()) != 0) {
2590 if (ERR_GET_LIB(l
) == ERR_LIB_SYS
)
2591 return (SSL_ERROR_SYSCALL
);
2593 return (SSL_ERROR_SSL
);
2596 if ((i
< 0) && SSL_want_read(s
)) {
2597 bio
= SSL_get_rbio(s
);
2598 if (BIO_should_read(bio
))
2599 return (SSL_ERROR_WANT_READ
);
2600 else if (BIO_should_write(bio
))
2602 * This one doesn't make too much sense ... We never try to write
2603 * to the rbio, and an application program where rbio and wbio
2604 * are separate couldn't even know what it should wait for.
2605 * However if we ever set s->rwstate incorrectly (so that we have
2606 * SSL_want_read(s) instead of SSL_want_write(s)) and rbio and
2607 * wbio *are* the same, this test works around that bug; so it
2608 * might be safer to keep it.
2610 return (SSL_ERROR_WANT_WRITE
);
2611 else if (BIO_should_io_special(bio
)) {
2612 reason
= BIO_get_retry_reason(bio
);
2613 if (reason
== BIO_RR_CONNECT
)
2614 return (SSL_ERROR_WANT_CONNECT
);
2615 else if (reason
== BIO_RR_ACCEPT
)
2616 return (SSL_ERROR_WANT_ACCEPT
);
2618 return (SSL_ERROR_SYSCALL
); /* unknown */
2622 if ((i
< 0) && SSL_want_write(s
)) {
2623 bio
= SSL_get_wbio(s
);
2624 if (BIO_should_write(bio
))
2625 return (SSL_ERROR_WANT_WRITE
);
2626 else if (BIO_should_read(bio
))
2628 * See above (SSL_want_read(s) with BIO_should_write(bio))
2630 return (SSL_ERROR_WANT_READ
);
2631 else if (BIO_should_io_special(bio
)) {
2632 reason
= BIO_get_retry_reason(bio
);
2633 if (reason
== BIO_RR_CONNECT
)
2634 return (SSL_ERROR_WANT_CONNECT
);
2635 else if (reason
== BIO_RR_ACCEPT
)
2636 return (SSL_ERROR_WANT_ACCEPT
);
2638 return (SSL_ERROR_SYSCALL
);
2641 if ((i
< 0) && SSL_want_x509_lookup(s
)) {
2642 return (SSL_ERROR_WANT_X509_LOOKUP
);
2646 if ((s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) &&
2647 (s
->s3
->warn_alert
== SSL_AD_CLOSE_NOTIFY
))
2648 return (SSL_ERROR_ZERO_RETURN
);
2650 return (SSL_ERROR_SYSCALL
);
2653 int SSL_do_handshake(SSL
*s
)
2657 if (s
->handshake_func
== NULL
) {
2658 SSLerr(SSL_F_SSL_DO_HANDSHAKE
, SSL_R_CONNECTION_TYPE_NOT_SET
);
2662 s
->method
->ssl_renegotiate_check(s
);
2664 if (SSL_in_init(s
) || SSL_in_before(s
)) {
2665 ret
= s
->handshake_func(s
);
2671 * For the next 2 functions, SSL_clear() sets shutdown and so one of these
2672 * calls will reset it
2674 void SSL_set_accept_state(SSL
*s
)
2678 s
->state
= SSL_ST_ACCEPT
| SSL_ST_BEFORE
;
2679 s
->handshake_func
= s
->method
->ssl_accept
;
2680 /* clear the current cipher */
2681 ssl_clear_cipher_ctx(s
);
2682 ssl_clear_hash_ctx(&s
->read_hash
);
2683 ssl_clear_hash_ctx(&s
->write_hash
);
2686 void SSL_set_connect_state(SSL
*s
)
2690 s
->state
= SSL_ST_CONNECT
| SSL_ST_BEFORE
;
2691 s
->handshake_func
= s
->method
->ssl_connect
;
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 int ssl_undefined_function(SSL
*s
)
2700 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2704 int ssl_undefined_void_function(void)
2706 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION
,
2707 ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2711 int ssl_undefined_const_function(const SSL
*s
)
2713 SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION
,
2714 ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2718 SSL_METHOD
*ssl_bad_method(int ver
)
2720 SSLerr(SSL_F_SSL_BAD_METHOD
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2724 const char *SSL_get_version(const SSL
*s
)
2726 if (s
->version
== TLS1_2_VERSION
)
2728 else if (s
->version
== TLS1_1_VERSION
)
2730 else if (s
->version
== TLS1_VERSION
)
2732 else if (s
->version
== SSL3_VERSION
)
2734 else if (s
->version
== DTLS1_BAD_VER
)
2735 return ("DTLSv0.9");
2736 else if (s
->version
== DTLS1_VERSION
)
2738 else if (s
->version
== DTLS1_2_VERSION
)
2739 return ("DTLSv1.2");
2744 SSL
*SSL_dup(SSL
*s
)
2746 STACK_OF(X509_NAME
) *sk
;
2751 if ((ret
= SSL_new(SSL_get_SSL_CTX(s
))) == NULL
)
2754 ret
->version
= s
->version
;
2755 ret
->type
= s
->type
;
2756 ret
->method
= s
->method
;
2758 if (s
->session
!= NULL
) {
2759 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2760 if(!SSL_copy_session_id(ret
, s
))
2764 * No session has been established yet, so we have to expect that
2765 * s->cert or ret->cert will be changed later -- they should not both
2766 * point to the same object, and thus we can't use
2767 * SSL_copy_session_id.
2770 ret
->method
->ssl_free(ret
);
2771 ret
->method
= s
->method
;
2772 ret
->method
->ssl_new(ret
);
2774 if (s
->cert
!= NULL
) {
2775 if (ret
->cert
!= NULL
) {
2776 ssl_cert_free(ret
->cert
);
2778 ret
->cert
= ssl_cert_dup(s
->cert
);
2779 if (ret
->cert
== NULL
)
2783 if(!SSL_set_session_id_context(ret
, s
->sid_ctx
, s
->sid_ctx_length
))
2787 ret
->options
= s
->options
;
2788 ret
->mode
= s
->mode
;
2789 SSL_set_max_cert_list(ret
, SSL_get_max_cert_list(s
));
2790 SSL_set_read_ahead(ret
, SSL_get_read_ahead(s
));
2791 ret
->msg_callback
= s
->msg_callback
;
2792 ret
->msg_callback_arg
= s
->msg_callback_arg
;
2793 SSL_set_verify(ret
, SSL_get_verify_mode(s
), SSL_get_verify_callback(s
));
2794 SSL_set_verify_depth(ret
, SSL_get_verify_depth(s
));
2795 ret
->generate_session_id
= s
->generate_session_id
;
2797 SSL_set_info_callback(ret
, SSL_get_info_callback(s
));
2799 ret
->debug
= s
->debug
;
2801 /* copy app data, a little dangerous perhaps */
2802 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL
, &ret
->ex_data
, &s
->ex_data
))
2805 /* setup rbio, and wbio */
2806 if (s
->rbio
!= NULL
) {
2807 if (!BIO_dup_state(s
->rbio
, (char *)&ret
->rbio
))
2810 if (s
->wbio
!= NULL
) {
2811 if (s
->wbio
!= s
->rbio
) {
2812 if (!BIO_dup_state(s
->wbio
, (char *)&ret
->wbio
))
2815 ret
->wbio
= ret
->rbio
;
2817 ret
->rwstate
= s
->rwstate
;
2818 ret
->in_handshake
= s
->in_handshake
;
2819 ret
->handshake_func
= s
->handshake_func
;
2820 ret
->server
= s
->server
;
2821 ret
->renegotiate
= s
->renegotiate
;
2822 ret
->new_session
= s
->new_session
;
2823 ret
->quiet_shutdown
= s
->quiet_shutdown
;
2824 ret
->shutdown
= s
->shutdown
;
2825 ret
->state
= s
->state
; /* SSL_dup does not really work at any state,
2827 ret
->rstate
= s
->rstate
;
2828 ret
->init_num
= 0; /* would have to copy ret->init_buf,
2829 * ret->init_msg, ret->init_num,
2833 X509_VERIFY_PARAM_inherit(ret
->param
, s
->param
);
2835 /* dup the cipher_list and cipher_list_by_id stacks */
2836 if (s
->cipher_list
!= NULL
) {
2837 if ((ret
->cipher_list
= sk_SSL_CIPHER_dup(s
->cipher_list
)) == NULL
)
2840 if (s
->cipher_list_by_id
!= NULL
)
2841 if ((ret
->cipher_list_by_id
= sk_SSL_CIPHER_dup(s
->cipher_list_by_id
))
2845 /* Dup the client_CA list */
2846 if (s
->client_CA
!= NULL
) {
2847 if ((sk
= sk_X509_NAME_dup(s
->client_CA
)) == NULL
)
2849 ret
->client_CA
= sk
;
2850 for (i
= 0; i
< sk_X509_NAME_num(sk
); i
++) {
2851 xn
= sk_X509_NAME_value(sk
, i
);
2852 if (sk_X509_NAME_set(sk
, i
, X509_NAME_dup(xn
)) == NULL
) {
2868 void ssl_clear_cipher_ctx(SSL
*s
)
2870 if (s
->enc_read_ctx
!= NULL
) {
2871 EVP_CIPHER_CTX_cleanup(s
->enc_read_ctx
);
2872 OPENSSL_free(s
->enc_read_ctx
);
2873 s
->enc_read_ctx
= NULL
;
2875 if (s
->enc_write_ctx
!= NULL
) {
2876 EVP_CIPHER_CTX_cleanup(s
->enc_write_ctx
);
2877 OPENSSL_free(s
->enc_write_ctx
);
2878 s
->enc_write_ctx
= NULL
;
2880 #ifndef OPENSSL_NO_COMP
2881 if (s
->expand
!= NULL
) {
2882 COMP_CTX_free(s
->expand
);
2885 if (s
->compress
!= NULL
) {
2886 COMP_CTX_free(s
->compress
);
2892 X509
*SSL_get_certificate(const SSL
*s
)
2894 if (s
->cert
!= NULL
)
2895 return (s
->cert
->key
->x509
);
2900 EVP_PKEY
*SSL_get_privatekey(const SSL
*s
)
2902 if (s
->cert
!= NULL
)
2903 return (s
->cert
->key
->privatekey
);
2908 X509
*SSL_CTX_get0_certificate(const SSL_CTX
*ctx
)
2910 if (ctx
->cert
!= NULL
)
2911 return ctx
->cert
->key
->x509
;
2916 EVP_PKEY
*SSL_CTX_get0_privatekey(const SSL_CTX
*ctx
)
2918 if (ctx
->cert
!= NULL
)
2919 return ctx
->cert
->key
->privatekey
;
2924 const SSL_CIPHER
*SSL_get_current_cipher(const SSL
*s
)
2926 if ((s
->session
!= NULL
) && (s
->session
->cipher
!= NULL
))
2927 return (s
->session
->cipher
);
2931 #ifdef OPENSSL_NO_COMP
2932 const void *SSL_get_current_compression(SSL
*s
)
2937 const void *SSL_get_current_expansion(SSL
*s
)
2943 const COMP_METHOD
*SSL_get_current_compression(SSL
*s
)
2945 if (s
->compress
!= NULL
)
2946 return (s
->compress
->meth
);
2950 const COMP_METHOD
*SSL_get_current_expansion(SSL
*s
)
2952 if (s
->expand
!= NULL
)
2953 return (s
->expand
->meth
);
2958 int ssl_init_wbio_buffer(SSL
*s
, int push
)
2962 if (s
->bbio
== NULL
) {
2963 bbio
= BIO_new(BIO_f_buffer());
2969 if (s
->bbio
== s
->wbio
)
2970 s
->wbio
= BIO_pop(s
->wbio
);
2972 (void)BIO_reset(bbio
);
2973 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
2974 if (!BIO_set_read_buffer_size(bbio
, 1)) {
2975 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER
, ERR_R_BUF_LIB
);
2979 if (s
->wbio
!= bbio
)
2980 s
->wbio
= BIO_push(bbio
, s
->wbio
);
2982 if (s
->wbio
== bbio
)
2983 s
->wbio
= BIO_pop(bbio
);
2988 void ssl_free_wbio_buffer(SSL
*s
)
2990 if (s
->bbio
== NULL
)
2993 if (s
->bbio
== s
->wbio
) {
2994 /* remove buffering */
2995 s
->wbio
= BIO_pop(s
->wbio
);
2996 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids
2997 * adding one more preprocessor symbol */
2998 assert(s
->wbio
!= NULL
);
3005 void SSL_CTX_set_quiet_shutdown(SSL_CTX
*ctx
, int mode
)
3007 ctx
->quiet_shutdown
= mode
;
3010 int SSL_CTX_get_quiet_shutdown(const SSL_CTX
*ctx
)
3012 return (ctx
->quiet_shutdown
);
3015 void SSL_set_quiet_shutdown(SSL
*s
, int mode
)
3017 s
->quiet_shutdown
= mode
;
3020 int SSL_get_quiet_shutdown(const SSL
*s
)
3022 return (s
->quiet_shutdown
);
3025 void SSL_set_shutdown(SSL
*s
, int mode
)
3030 int SSL_get_shutdown(const SSL
*s
)
3032 return (s
->shutdown
);
3035 int SSL_version(const SSL
*s
)
3037 return (s
->version
);
3040 SSL_CTX
*SSL_get_SSL_CTX(const SSL
*ssl
)
3045 SSL_CTX
*SSL_set_SSL_CTX(SSL
*ssl
, SSL_CTX
*ctx
)
3048 if (ssl
->ctx
== ctx
)
3050 #ifndef OPENSSL_NO_TLSEXT
3052 ctx
= ssl
->initial_ctx
;
3054 new_cert
= ssl_cert_dup(ctx
->cert
);
3055 if (new_cert
== NULL
) {
3058 /* Preserve any already negotiated parameters */
3060 new_cert
->peer_sigalgs
= ssl
->cert
->peer_sigalgs
;
3061 new_cert
->peer_sigalgslen
= ssl
->cert
->peer_sigalgslen
;
3062 ssl
->cert
->peer_sigalgs
= NULL
;
3063 new_cert
->ciphers_raw
= ssl
->cert
->ciphers_raw
;
3064 new_cert
->ciphers_rawlen
= ssl
->cert
->ciphers_rawlen
;
3065 ssl
->cert
->ciphers_raw
= NULL
;
3067 ssl_cert_free(ssl
->cert
);
3068 ssl
->cert
= new_cert
;
3071 * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH),
3072 * so setter APIs must prevent invalid lengths from entering the system.
3074 OPENSSL_assert(ssl
->sid_ctx_length
<= sizeof(ssl
->sid_ctx
));
3077 * If the session ID context matches that of the parent SSL_CTX,
3078 * inherit it from the new SSL_CTX as well. If however the context does
3079 * not match (i.e., it was set per-ssl with SSL_set_session_id_context),
3080 * leave it unchanged.
3082 if ((ssl
->ctx
!= NULL
) &&
3083 (ssl
->sid_ctx_length
== ssl
->ctx
->sid_ctx_length
) &&
3084 (memcmp(ssl
->sid_ctx
, ssl
->ctx
->sid_ctx
, ssl
->sid_ctx_length
) == 0)) {
3085 ssl
->sid_ctx_length
= ctx
->sid_ctx_length
;
3086 memcpy(&ssl
->sid_ctx
, &ctx
->sid_ctx
, sizeof(ssl
->sid_ctx
));
3089 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
3090 if (ssl
->ctx
!= NULL
)
3091 SSL_CTX_free(ssl
->ctx
); /* decrement reference count */
3097 #ifndef OPENSSL_NO_STDIO
3098 int SSL_CTX_set_default_verify_paths(SSL_CTX
*ctx
)
3100 return (X509_STORE_set_default_paths(ctx
->cert_store
));
3103 int SSL_CTX_load_verify_locations(SSL_CTX
*ctx
, const char *CAfile
,
3106 return (X509_STORE_load_locations(ctx
->cert_store
, CAfile
, CApath
));
3110 void SSL_set_info_callback(SSL
*ssl
,
3111 void (*cb
) (const SSL
*ssl
, int type
, int val
))
3113 ssl
->info_callback
= cb
;
3117 * One compiler (Diab DCC) doesn't like argument names in returned function
3120 void (*SSL_get_info_callback(const SSL
*ssl
)) (const SSL
* /* ssl */ ,
3123 return ssl
->info_callback
;
3126 int SSL_state(const SSL
*ssl
)
3128 return (ssl
->state
);
3131 void SSL_set_state(SSL
*ssl
, int state
)
3136 void SSL_set_verify_result(SSL
*ssl
, long arg
)
3138 ssl
->verify_result
= arg
;
3141 long SSL_get_verify_result(const SSL
*ssl
)
3143 return (ssl
->verify_result
);
3146 int SSL_get_ex_new_index(long argl
, void *argp
, CRYPTO_EX_new
*new_func
,
3147 CRYPTO_EX_dup
*dup_func
, CRYPTO_EX_free
*free_func
)
3149 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL
, argl
, argp
,
3150 new_func
, dup_func
, free_func
);
3153 int SSL_set_ex_data(SSL
*s
, int idx
, void *arg
)
3155 return (CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
));
3158 void *SSL_get_ex_data(const SSL
*s
, int idx
)
3160 return (CRYPTO_get_ex_data(&s
->ex_data
, idx
));
3163 int SSL_CTX_get_ex_new_index(long argl
, void *argp
, CRYPTO_EX_new
*new_func
,
3164 CRYPTO_EX_dup
*dup_func
,
3165 CRYPTO_EX_free
*free_func
)
3167 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX
, argl
, argp
,
3168 new_func
, dup_func
, free_func
);
3171 int SSL_CTX_set_ex_data(SSL_CTX
*s
, int idx
, void *arg
)
3173 return (CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
));
3176 void *SSL_CTX_get_ex_data(const SSL_CTX
*s
, int idx
)
3178 return (CRYPTO_get_ex_data(&s
->ex_data
, idx
));
3186 X509_STORE
*SSL_CTX_get_cert_store(const SSL_CTX
*ctx
)
3188 return (ctx
->cert_store
);
3191 void SSL_CTX_set_cert_store(SSL_CTX
*ctx
, X509_STORE
*store
)
3193 if (ctx
->cert_store
!= NULL
)
3194 X509_STORE_free(ctx
->cert_store
);
3195 ctx
->cert_store
= store
;
3198 int SSL_want(const SSL
*s
)
3200 return (s
->rwstate
);
3204 * \brief Set the callback for generating temporary RSA keys.
3205 * \param ctx the SSL context.
3206 * \param cb the callback
3209 #ifndef OPENSSL_NO_RSA
3210 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX
*ctx
, RSA
*(*cb
) (SSL
*ssl
,
3214 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_TMP_RSA_CB
, (void (*)(void))cb
);
3217 void SSL_set_tmp_rsa_callback(SSL
*ssl
, RSA
*(*cb
) (SSL
*ssl
,
3221 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_TMP_RSA_CB
, (void (*)(void))cb
);
3227 * \brief The RSA temporary key callback function.
3228 * \param ssl the SSL session.
3229 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
3230 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
3231 * of the required key in bits.
3232 * \return the temporary RSA key.
3233 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
3236 RSA
*cb(SSL
*ssl
, int is_export
, int keylength
)
3242 * \brief Set the callback for generating temporary DH keys.
3243 * \param ctx the SSL context.
3244 * \param dh the callback
3247 #ifndef OPENSSL_NO_DH
3248 void SSL_CTX_set_tmp_dh_callback(SSL_CTX
*ctx
,
3249 DH
*(*dh
) (SSL
*ssl
, int is_export
,
3252 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_TMP_DH_CB
, (void (*)(void))dh
);
3255 void SSL_set_tmp_dh_callback(SSL
*ssl
, DH
*(*dh
) (SSL
*ssl
, int is_export
,
3258 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_TMP_DH_CB
, (void (*)(void))dh
);
3262 #ifndef OPENSSL_NO_EC
3263 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX
*ctx
,
3264 EC_KEY
*(*ecdh
) (SSL
*ssl
, int is_export
,
3267 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_TMP_ECDH_CB
,
3268 (void (*)(void))ecdh
);
3271 void SSL_set_tmp_ecdh_callback(SSL
*ssl
,
3272 EC_KEY
*(*ecdh
) (SSL
*ssl
, int is_export
,
3275 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_TMP_ECDH_CB
, (void (*)(void))ecdh
);
3279 #ifndef OPENSSL_NO_PSK
3280 int SSL_CTX_use_psk_identity_hint(SSL_CTX
*ctx
, const char *identity_hint
)
3282 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
3283 SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT
,
3284 SSL_R_DATA_LENGTH_TOO_LONG
);
3287 if (ctx
->psk_identity_hint
!= NULL
)
3288 OPENSSL_free(ctx
->psk_identity_hint
);
3289 if (identity_hint
!= NULL
) {
3290 ctx
->psk_identity_hint
= BUF_strdup(identity_hint
);
3291 if (ctx
->psk_identity_hint
== NULL
)
3294 ctx
->psk_identity_hint
= NULL
;
3298 int SSL_use_psk_identity_hint(SSL
*s
, const char *identity_hint
)
3303 if (s
->session
== NULL
)
3304 return 1; /* session not created yet, ignored */
3306 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
3307 SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT
, SSL_R_DATA_LENGTH_TOO_LONG
);
3310 if (s
->session
->psk_identity_hint
!= NULL
)
3311 OPENSSL_free(s
->session
->psk_identity_hint
);
3312 if (identity_hint
!= NULL
) {
3313 s
->session
->psk_identity_hint
= BUF_strdup(identity_hint
);
3314 if (s
->session
->psk_identity_hint
== NULL
)
3317 s
->session
->psk_identity_hint
= NULL
;
3321 const char *SSL_get_psk_identity_hint(const SSL
*s
)
3323 if (s
== NULL
|| s
->session
== NULL
)
3325 return (s
->session
->psk_identity_hint
);
3328 const char *SSL_get_psk_identity(const SSL
*s
)
3330 if (s
== NULL
|| s
->session
== NULL
)
3332 return (s
->session
->psk_identity
);
3335 void SSL_set_psk_client_callback(SSL
*s
,
3336 unsigned int (*cb
) (SSL
*ssl
,
3345 s
->psk_client_callback
= cb
;
3348 void SSL_CTX_set_psk_client_callback(SSL_CTX
*ctx
,
3349 unsigned int (*cb
) (SSL
*ssl
,
3358 ctx
->psk_client_callback
= cb
;
3361 void SSL_set_psk_server_callback(SSL
*s
,
3362 unsigned int (*cb
) (SSL
*ssl
,
3363 const char *identity
,
3368 s
->psk_server_callback
= cb
;
3371 void SSL_CTX_set_psk_server_callback(SSL_CTX
*ctx
,
3372 unsigned int (*cb
) (SSL
*ssl
,
3373 const char *identity
,
3378 ctx
->psk_server_callback
= cb
;
3382 void SSL_CTX_set_msg_callback(SSL_CTX
*ctx
,
3383 void (*cb
) (int write_p
, int version
,
3384 int content_type
, const void *buf
,
3385 size_t len
, SSL
*ssl
, void *arg
))
3387 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3390 void SSL_set_msg_callback(SSL
*ssl
,
3391 void (*cb
) (int write_p
, int version
,
3392 int content_type
, const void *buf
,
3393 size_t len
, SSL
*ssl
, void *arg
))
3395 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3398 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX
*ctx
,
3399 int (*cb
) (SSL
*ssl
,
3403 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3404 (void (*)(void))cb
);
3407 void SSL_set_not_resumable_session_callback(SSL
*ssl
,
3408 int (*cb
) (SSL
*ssl
,
3409 int is_forward_secure
))
3411 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3412 (void (*)(void))cb
);
3416 * Allocates new EVP_MD_CTX and sets pointer to it into given pointer
3417 * vairable, freeing EVP_MD_CTX previously stored in that variable, if any.
3418 * If EVP_MD pointer is passed, initializes ctx with this md Returns newly
3422 EVP_MD_CTX
*ssl_replace_hash(EVP_MD_CTX
**hash
, const EVP_MD
*md
)
3424 ssl_clear_hash_ctx(hash
);
3425 *hash
= EVP_MD_CTX_create();
3427 EVP_DigestInit_ex(*hash
, md
, NULL
);
3431 void ssl_clear_hash_ctx(EVP_MD_CTX
**hash
)
3435 EVP_MD_CTX_destroy(*hash
);
3439 /* Retrieve handshake hashes */
3440 int ssl_handshake_hash(SSL
*s
, unsigned char *out
, int outlen
)
3442 unsigned char *p
= out
;
3447 EVP_MD_CTX_init(&ctx
);
3448 for (idx
= 0; ssl_get_handshake_digest(idx
, &mask
, &md
); idx
++) {
3449 if (mask
& ssl_get_algorithm2(s
)) {
3450 int hashsize
= EVP_MD_size(md
);
3451 EVP_MD_CTX
*hdgst
= s
->s3
->handshake_dgst
[idx
];
3452 if (!hdgst
|| hashsize
< 0 || hashsize
> outlen
)
3454 if (!EVP_MD_CTX_copy_ex(&ctx
, hdgst
))
3456 if (!EVP_DigestFinal_ex(&ctx
, p
, NULL
))
3464 EVP_MD_CTX_cleanup(&ctx
);
3468 void SSL_set_debug(SSL
*s
, int debug
)
3473 int SSL_cache_hit(SSL
*s
)
3478 int SSL_is_server(SSL
*s
)
3483 void SSL_set_security_level(SSL
*s
, int level
)
3485 s
->cert
->sec_level
= level
;
3488 int SSL_get_security_level(const SSL
*s
)
3490 return s
->cert
->sec_level
;
3493 void SSL_set_security_callback(SSL
*s
,
3494 int (*cb
) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3495 int bits
, int nid
, void *other
,
3498 s
->cert
->sec_cb
= cb
;
3501 int (*SSL_get_security_callback(const SSL
*s
)) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3503 void *other
, void *ex
) {
3504 return s
->cert
->sec_cb
;
3507 void SSL_set0_security_ex_data(SSL
*s
, void *ex
)
3509 s
->cert
->sec_ex
= ex
;
3512 void *SSL_get0_security_ex_data(const SSL
*s
)
3514 return s
->cert
->sec_ex
;
3517 void SSL_CTX_set_security_level(SSL_CTX
*ctx
, int level
)
3519 ctx
->cert
->sec_level
= level
;
3522 int SSL_CTX_get_security_level(const SSL_CTX
*ctx
)
3524 return ctx
->cert
->sec_level
;
3527 void SSL_CTX_set_security_callback(SSL_CTX
*ctx
,
3528 int (*cb
) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3529 int bits
, int nid
, void *other
,
3532 ctx
->cert
->sec_cb
= cb
;
3535 int (*SSL_CTX_get_security_callback(const SSL_CTX
*ctx
)) (SSL
*s
,
3541 return ctx
->cert
->sec_cb
;
3544 void SSL_CTX_set0_security_ex_data(SSL_CTX
*ctx
, void *ex
)
3546 ctx
->cert
->sec_ex
= ex
;
3549 void *SSL_CTX_get0_security_ex_data(const SSL_CTX
*ctx
)
3551 return ctx
->cert
->sec_ex
;
3554 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
, ssl_cipher_id
);