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
;
219 if (s
->init_buf
!= NULL
) {
220 BUF_MEM_free(s
->init_buf
);
224 ssl_clear_cipher_ctx(s
);
225 ssl_clear_hash_ctx(&s
->read_hash
);
226 ssl_clear_hash_ctx(&s
->write_hash
);
231 * Check to see if we were changed into a different method, if so, revert
232 * back if we are not doing session-id reuse.
234 if (!s
->in_handshake
&& (s
->session
== NULL
)
235 && (s
->method
!= s
->ctx
->method
)) {
236 s
->method
->ssl_free(s
);
237 s
->method
= s
->ctx
->method
;
238 if (!s
->method
->ssl_new(s
))
241 s
->method
->ssl_clear(s
);
243 RECORD_LAYER_clear(&s
->rlayer
);
248 /** Used to change an SSL_CTXs default SSL method type */
249 int SSL_CTX_set_ssl_version(SSL_CTX
*ctx
, const SSL_METHOD
*meth
)
251 STACK_OF(SSL_CIPHER
) *sk
;
255 sk
= ssl_create_cipher_list(ctx
->method
, &(ctx
->cipher_list
),
256 &(ctx
->cipher_list_by_id
),
257 SSL_DEFAULT_CIPHER_LIST
, ctx
->cert
);
258 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= 0)) {
259 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION
,
260 SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS
);
266 SSL
*SSL_new(SSL_CTX
*ctx
)
271 SSLerr(SSL_F_SSL_NEW
, SSL_R_NULL_SSL_CTX
);
274 if (ctx
->method
== NULL
) {
275 SSLerr(SSL_F_SSL_NEW
, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION
);
279 s
= OPENSSL_malloc(sizeof(SSL
));
282 memset(s
, 0, sizeof(SSL
));
284 RECORD_LAYER_init(&s
->rlayer
, s
);
286 #ifndef OPENSSL_NO_KRB5
287 s
->kssl_ctx
= kssl_ctx_new();
288 #endif /* OPENSSL_NO_KRB5 */
290 s
->options
= ctx
->options
;
292 s
->max_cert_list
= ctx
->max_cert_list
;
295 * Earlier library versions used to copy the pointer to the CERT, not
296 * its contents; only when setting new parameters for the per-SSL
297 * copy, ssl_cert_new would be called (and the direct reference to
298 * the per-SSL_CTX settings would be lost, but those still were
299 * indirectly accessed for various purposes, and for that reason they
300 * used to be known as s->ctx->default_cert). Now we don't look at the
301 * SSL_CTX's CERT after having duplicated it once.
303 s
->cert
= ssl_cert_dup(ctx
->cert
);
307 RECORD_LAYER_set_read_ahead(&s
->rlayer
, ctx
->read_ahead
);
308 s
->msg_callback
= ctx
->msg_callback
;
309 s
->msg_callback_arg
= ctx
->msg_callback_arg
;
310 s
->verify_mode
= ctx
->verify_mode
;
311 s
->not_resumable_session_cb
= ctx
->not_resumable_session_cb
;
312 s
->sid_ctx_length
= ctx
->sid_ctx_length
;
313 OPENSSL_assert(s
->sid_ctx_length
<= sizeof s
->sid_ctx
);
314 memcpy(&s
->sid_ctx
, &ctx
->sid_ctx
, sizeof(s
->sid_ctx
));
315 s
->verify_callback
= ctx
->default_verify_callback
;
316 s
->generate_session_id
= ctx
->generate_session_id
;
318 s
->param
= X509_VERIFY_PARAM_new();
321 X509_VERIFY_PARAM_inherit(s
->param
, ctx
->param
);
322 s
->quiet_shutdown
= ctx
->quiet_shutdown
;
323 s
->max_send_fragment
= ctx
->max_send_fragment
;
325 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
327 #ifndef OPENSSL_NO_TLSEXT
328 s
->tlsext_debug_cb
= 0;
329 s
->tlsext_debug_arg
= NULL
;
330 s
->tlsext_ticket_expected
= 0;
331 s
->tlsext_status_type
= -1;
332 s
->tlsext_status_expected
= 0;
333 s
->tlsext_ocsp_ids
= NULL
;
334 s
->tlsext_ocsp_exts
= NULL
;
335 s
->tlsext_ocsp_resp
= NULL
;
336 s
->tlsext_ocsp_resplen
= -1;
337 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
338 s
->initial_ctx
= ctx
;
339 # ifndef OPENSSL_NO_EC
340 if (ctx
->tlsext_ecpointformatlist
) {
341 s
->tlsext_ecpointformatlist
=
342 BUF_memdup(ctx
->tlsext_ecpointformatlist
,
343 ctx
->tlsext_ecpointformatlist_length
);
344 if (!s
->tlsext_ecpointformatlist
)
346 s
->tlsext_ecpointformatlist_length
=
347 ctx
->tlsext_ecpointformatlist_length
;
349 if (ctx
->tlsext_ellipticcurvelist
) {
350 s
->tlsext_ellipticcurvelist
=
351 BUF_memdup(ctx
->tlsext_ellipticcurvelist
,
352 ctx
->tlsext_ellipticcurvelist_length
);
353 if (!s
->tlsext_ellipticcurvelist
)
355 s
->tlsext_ellipticcurvelist_length
=
356 ctx
->tlsext_ellipticcurvelist_length
;
359 # ifndef OPENSSL_NO_NEXTPROTONEG
360 s
->next_proto_negotiated
= NULL
;
363 if (s
->ctx
->alpn_client_proto_list
) {
364 s
->alpn_client_proto_list
=
365 OPENSSL_malloc(s
->ctx
->alpn_client_proto_list_len
);
366 if (s
->alpn_client_proto_list
== NULL
)
368 memcpy(s
->alpn_client_proto_list
, s
->ctx
->alpn_client_proto_list
,
369 s
->ctx
->alpn_client_proto_list_len
);
370 s
->alpn_client_proto_list_len
= s
->ctx
->alpn_client_proto_list_len
;
374 s
->verify_result
= X509_V_OK
;
376 s
->method
= ctx
->method
;
378 if (!s
->method
->ssl_new(s
))
382 s
->server
= (ctx
->method
->ssl_accept
== ssl_undefined_function
) ? 0 : 1;
387 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
389 #ifndef OPENSSL_NO_PSK
390 s
->psk_client_callback
= ctx
->psk_client_callback
;
391 s
->psk_server_callback
= ctx
->psk_server_callback
;
397 SSLerr(SSL_F_SSL_NEW
, ERR_R_MALLOC_FAILURE
);
401 int SSL_CTX_set_session_id_context(SSL_CTX
*ctx
, const unsigned char *sid_ctx
,
402 unsigned int sid_ctx_len
)
404 if (sid_ctx_len
> sizeof ctx
->sid_ctx
) {
405 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT
,
406 SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
409 ctx
->sid_ctx_length
= sid_ctx_len
;
410 memcpy(ctx
->sid_ctx
, sid_ctx
, sid_ctx_len
);
415 int SSL_set_session_id_context(SSL
*ssl
, const unsigned char *sid_ctx
,
416 unsigned int sid_ctx_len
)
418 if (sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
) {
419 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT
,
420 SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
423 ssl
->sid_ctx_length
= sid_ctx_len
;
424 memcpy(ssl
->sid_ctx
, sid_ctx
, sid_ctx_len
);
429 int SSL_CTX_set_generate_session_id(SSL_CTX
*ctx
, GEN_SESSION_CB cb
)
431 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX
);
432 ctx
->generate_session_id
= cb
;
433 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX
);
437 int SSL_set_generate_session_id(SSL
*ssl
, GEN_SESSION_CB cb
)
439 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
440 ssl
->generate_session_id
= cb
;
441 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
445 int SSL_has_matching_session_id(const SSL
*ssl
, const unsigned char *id
,
449 * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
450 * we can "construct" a session to give us the desired check - ie. to
451 * find if there's a session in the hash table that would conflict with
452 * any new session built out of this id/id_len and the ssl_version in use
457 if (id_len
> sizeof r
.session_id
)
460 r
.ssl_version
= ssl
->version
;
461 r
.session_id_length
= id_len
;
462 memcpy(r
.session_id
, id
, id_len
);
464 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX
);
465 p
= lh_SSL_SESSION_retrieve(ssl
->ctx
->sessions
, &r
);
466 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX
);
470 int SSL_CTX_set_purpose(SSL_CTX
*s
, int purpose
)
472 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
475 int SSL_set_purpose(SSL
*s
, int purpose
)
477 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
480 int SSL_CTX_set_trust(SSL_CTX
*s
, int trust
)
482 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
485 int SSL_set_trust(SSL
*s
, int trust
)
487 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
490 int SSL_CTX_set1_param(SSL_CTX
*ctx
, X509_VERIFY_PARAM
*vpm
)
492 return X509_VERIFY_PARAM_set1(ctx
->param
, vpm
);
495 int SSL_set1_param(SSL
*ssl
, X509_VERIFY_PARAM
*vpm
)
497 return X509_VERIFY_PARAM_set1(ssl
->param
, vpm
);
500 X509_VERIFY_PARAM
*SSL_CTX_get0_param(SSL_CTX
*ctx
)
505 X509_VERIFY_PARAM
*SSL_get0_param(SSL
*ssl
)
510 void SSL_certs_clear(SSL
*s
)
512 ssl_cert_clear_certs(s
->cert
);
515 void SSL_free(SSL
*s
)
522 i
= CRYPTO_add(&s
->references
, -1, CRYPTO_LOCK_SSL
);
530 fprintf(stderr
, "SSL_free, bad reference count\n");
536 X509_VERIFY_PARAM_free(s
->param
);
538 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
540 if (s
->bbio
!= NULL
) {
541 /* If the buffering BIO is in place, pop it off */
542 if (s
->bbio
== s
->wbio
) {
543 s
->wbio
= BIO_pop(s
->wbio
);
548 BIO_free_all(s
->rbio
);
549 if (s
->wbio
!= s
->rbio
)
550 BIO_free_all(s
->wbio
);
552 if (s
->init_buf
!= NULL
)
553 BUF_MEM_free(s
->init_buf
);
555 /* add extra stuff */
556 if (s
->cipher_list
!= NULL
)
557 sk_SSL_CIPHER_free(s
->cipher_list
);
558 if (s
->cipher_list_by_id
!= NULL
)
559 sk_SSL_CIPHER_free(s
->cipher_list_by_id
);
561 /* Make the next call work :-) */
562 if (s
->session
!= NULL
) {
563 ssl_clear_bad_session(s
);
564 SSL_SESSION_free(s
->session
);
567 ssl_clear_cipher_ctx(s
);
568 ssl_clear_hash_ctx(&s
->read_hash
);
569 ssl_clear_hash_ctx(&s
->write_hash
);
571 ssl_cert_free(s
->cert
);
572 /* Free up if allocated */
574 #ifndef OPENSSL_NO_TLSEXT
575 if (s
->tlsext_hostname
)
576 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
);
600 RECORD_LAYER_release(&s
->rlayer
);
602 SSL_CTX_free(s
->ctx
);
604 #ifndef OPENSSL_NO_KRB5
605 if (s
->kssl_ctx
!= NULL
)
606 kssl_ctx_free(s
->kssl_ctx
);
607 #endif /* OPENSSL_NO_KRB5 */
609 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
610 if (s
->next_proto_negotiated
)
611 OPENSSL_free(s
->next_proto_negotiated
);
614 #ifndef OPENSSL_NO_SRTP
615 if (s
->srtp_profiles
)
616 sk_SRTP_PROTECTION_PROFILE_free(s
->srtp_profiles
);
622 void SSL_set_rbio(SSL
*s
, BIO
*rbio
)
625 BIO_free_all(s
->rbio
);
629 void SSL_set_wbio(SSL
*s
, BIO
*wbio
)
632 * If the output buffering BIO is still in place, remove it
634 if (s
->bbio
!= NULL
) {
635 if (s
->wbio
== s
->bbio
) {
636 s
->wbio
= s
->wbio
->next_bio
;
637 s
->bbio
->next_bio
= NULL
;
640 if (s
->wbio
!= wbio
&& s
->rbio
!= s
->wbio
)
641 BIO_free_all(s
->wbio
);
645 void SSL_set_bio(SSL
*s
, BIO
*rbio
, BIO
*wbio
)
647 SSL_set_wbio(s
, wbio
);
648 SSL_set_rbio(s
, rbio
);
651 BIO
*SSL_get_rbio(const SSL
*s
)
656 BIO
*SSL_get_wbio(const SSL
*s
)
661 int SSL_get_fd(const SSL
*s
)
663 return (SSL_get_rfd(s
));
666 int SSL_get_rfd(const SSL
*s
)
672 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
678 int SSL_get_wfd(const SSL
*s
)
684 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
690 #ifndef OPENSSL_NO_SOCK
691 int SSL_set_fd(SSL
*s
, int fd
)
696 bio
= BIO_new(BIO_s_socket());
699 SSLerr(SSL_F_SSL_SET_FD
, ERR_R_BUF_LIB
);
702 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
703 SSL_set_bio(s
, bio
, bio
);
709 int SSL_set_wfd(SSL
*s
, int fd
)
714 if ((s
->rbio
== NULL
) || (BIO_method_type(s
->rbio
) != BIO_TYPE_SOCKET
)
715 || ((int)BIO_get_fd(s
->rbio
, NULL
) != fd
)) {
716 bio
= BIO_new(BIO_s_socket());
719 SSLerr(SSL_F_SSL_SET_WFD
, ERR_R_BUF_LIB
);
722 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
723 SSL_set_bio(s
, SSL_get_rbio(s
), bio
);
725 SSL_set_bio(s
, SSL_get_rbio(s
), SSL_get_rbio(s
));
731 int SSL_set_rfd(SSL
*s
, int fd
)
736 if ((s
->wbio
== NULL
) || (BIO_method_type(s
->wbio
) != BIO_TYPE_SOCKET
)
737 || ((int)BIO_get_fd(s
->wbio
, NULL
) != fd
)) {
738 bio
= BIO_new(BIO_s_socket());
741 SSLerr(SSL_F_SSL_SET_RFD
, ERR_R_BUF_LIB
);
744 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
745 SSL_set_bio(s
, bio
, SSL_get_wbio(s
));
747 SSL_set_bio(s
, SSL_get_wbio(s
), SSL_get_wbio(s
));
754 /* return length of latest Finished message we sent, copy to 'buf' */
755 size_t SSL_get_finished(const SSL
*s
, void *buf
, size_t count
)
760 ret
= s
->s3
->tmp
.finish_md_len
;
763 memcpy(buf
, s
->s3
->tmp
.finish_md
, count
);
768 /* return length of latest Finished message we expected, copy to 'buf' */
769 size_t SSL_get_peer_finished(const SSL
*s
, void *buf
, size_t count
)
774 ret
= s
->s3
->tmp
.peer_finish_md_len
;
777 memcpy(buf
, s
->s3
->tmp
.peer_finish_md
, count
);
782 int SSL_get_verify_mode(const SSL
*s
)
784 return (s
->verify_mode
);
787 int SSL_get_verify_depth(const SSL
*s
)
789 return X509_VERIFY_PARAM_get_depth(s
->param
);
792 int (*SSL_get_verify_callback(const SSL
*s
)) (int, X509_STORE_CTX
*) {
793 return (s
->verify_callback
);
796 int SSL_CTX_get_verify_mode(const SSL_CTX
*ctx
)
798 return (ctx
->verify_mode
);
801 int SSL_CTX_get_verify_depth(const SSL_CTX
*ctx
)
803 return X509_VERIFY_PARAM_get_depth(ctx
->param
);
806 int (*SSL_CTX_get_verify_callback(const SSL_CTX
*ctx
)) (int, X509_STORE_CTX
*) {
807 return (ctx
->default_verify_callback
);
810 void SSL_set_verify(SSL
*s
, int mode
,
811 int (*callback
) (int ok
, X509_STORE_CTX
*ctx
))
813 s
->verify_mode
= mode
;
814 if (callback
!= NULL
)
815 s
->verify_callback
= callback
;
818 void SSL_set_verify_depth(SSL
*s
, int depth
)
820 X509_VERIFY_PARAM_set_depth(s
->param
, depth
);
823 void SSL_set_read_ahead(SSL
*s
, int yes
)
825 RECORD_LAYER_set_read_ahead(&s
->rlayer
, yes
);
828 int SSL_get_read_ahead(const SSL
*s
)
830 return RECORD_LAYER_get_read_ahead(&s
->rlayer
);
833 int SSL_pending(const SSL
*s
)
836 * SSL_pending cannot work properly if read-ahead is enabled
837 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is
838 * impossible to fix since SSL_pending cannot report errors that may be
839 * observed while scanning the new data. (Note that SSL_pending() is
840 * often used as a boolean value, so we'd better not return -1.)
842 return (s
->method
->ssl_pending(s
));
845 X509
*SSL_get_peer_certificate(const SSL
*s
)
849 if ((s
== NULL
) || (s
->session
== NULL
))
852 r
= s
->session
->peer
;
857 CRYPTO_add(&r
->references
, 1, CRYPTO_LOCK_X509
);
862 STACK_OF(X509
) *SSL_get_peer_cert_chain(const SSL
*s
)
866 if ((s
== NULL
) || (s
->session
== NULL
)
867 || (s
->session
->sess_cert
== NULL
))
870 r
= s
->session
->sess_cert
->cert_chain
;
873 * If we are a client, cert_chain includes the peer's own certificate; if
874 * we are a server, it does not.
881 * Now in theory, since the calling process own 't' it should be safe to
882 * modify. We need to be able to read f without being hassled
884 int SSL_copy_session_id(SSL
*t
, const SSL
*f
)
886 /* Do we need to to SSL locking? */
887 if (!SSL_set_session(t
, SSL_get_session(f
))) {
892 * what if we are setup as SSLv2 but want to talk SSLv3 or vice-versa
894 if (t
->method
!= f
->method
) {
895 t
->method
->ssl_free(t
); /* cleanup current */
896 t
->method
= f
->method
; /* change method */
897 t
->method
->ssl_new(t
); /* setup new */
900 CRYPTO_add(&f
->cert
->references
, 1, CRYPTO_LOCK_SSL_CERT
);
901 ssl_cert_free(t
->cert
);
903 if (!SSL_set_session_id_context(t
, f
->sid_ctx
, f
->sid_ctx_length
)) {
910 /* Fix this so it checks all the valid key/cert options */
911 int SSL_CTX_check_private_key(const SSL_CTX
*ctx
)
914 (ctx
->cert
->key
->x509
== NULL
)) {
915 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,
916 SSL_R_NO_CERTIFICATE_ASSIGNED
);
919 if (ctx
->cert
->key
->privatekey
== NULL
) {
920 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,
921 SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
924 return (X509_check_private_key
925 (ctx
->cert
->key
->x509
, ctx
->cert
->key
->privatekey
));
928 /* Fix this function so that it takes an optional type parameter */
929 int SSL_check_private_key(const SSL
*ssl
)
932 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, ERR_R_PASSED_NULL_PARAMETER
);
935 if (ssl
->cert
->key
->x509
== NULL
) {
936 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, SSL_R_NO_CERTIFICATE_ASSIGNED
);
939 if (ssl
->cert
->key
->privatekey
== NULL
) {
940 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
943 return (X509_check_private_key(ssl
->cert
->key
->x509
,
944 ssl
->cert
->key
->privatekey
));
947 int SSL_accept(SSL
*s
)
949 if (s
->handshake_func
== 0)
950 /* Not properly initialized yet */
951 SSL_set_accept_state(s
);
953 return (s
->method
->ssl_accept(s
));
956 int SSL_connect(SSL
*s
)
958 if (s
->handshake_func
== 0)
959 /* Not properly initialized yet */
960 SSL_set_connect_state(s
);
962 return (s
->method
->ssl_connect(s
));
965 long SSL_get_default_timeout(const SSL
*s
)
967 return (s
->method
->get_timeout());
970 int SSL_read(SSL
*s
, void *buf
, int num
)
972 if (s
->handshake_func
== 0) {
973 SSLerr(SSL_F_SSL_READ
, SSL_R_UNINITIALIZED
);
977 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
978 s
->rwstate
= SSL_NOTHING
;
981 return (s
->method
->ssl_read(s
, buf
, num
));
984 int SSL_peek(SSL
*s
, void *buf
, int num
)
986 if (s
->handshake_func
== 0) {
987 SSLerr(SSL_F_SSL_PEEK
, SSL_R_UNINITIALIZED
);
991 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
994 return (s
->method
->ssl_peek(s
, buf
, num
));
997 int SSL_write(SSL
*s
, const void *buf
, int num
)
999 if (s
->handshake_func
== 0) {
1000 SSLerr(SSL_F_SSL_WRITE
, SSL_R_UNINITIALIZED
);
1004 if (s
->shutdown
& SSL_SENT_SHUTDOWN
) {
1005 s
->rwstate
= SSL_NOTHING
;
1006 SSLerr(SSL_F_SSL_WRITE
, SSL_R_PROTOCOL_IS_SHUTDOWN
);
1009 return (s
->method
->ssl_write(s
, buf
, num
));
1012 int SSL_shutdown(SSL
*s
)
1015 * Note that this function behaves differently from what one might
1016 * expect. Return values are 0 for no success (yet), 1 for success; but
1017 * calling it once is usually not enough, even if blocking I/O is used
1018 * (see ssl3_shutdown).
1021 if (s
->handshake_func
== 0) {
1022 SSLerr(SSL_F_SSL_SHUTDOWN
, SSL_R_UNINITIALIZED
);
1026 if ((s
!= NULL
) && !SSL_in_init(s
))
1027 return (s
->method
->ssl_shutdown(s
));
1032 int SSL_renegotiate(SSL
*s
)
1034 if (s
->renegotiate
== 0)
1039 return (s
->method
->ssl_renegotiate(s
));
1042 int SSL_renegotiate_abbreviated(SSL
*s
)
1044 if (s
->renegotiate
== 0)
1049 return (s
->method
->ssl_renegotiate(s
));
1052 int SSL_renegotiate_pending(SSL
*s
)
1055 * becomes true when negotiation is requested; false again once a
1056 * handshake has finished
1058 return (s
->renegotiate
!= 0);
1061 long SSL_ctrl(SSL
*s
, int cmd
, long larg
, void *parg
)
1066 case SSL_CTRL_GET_READ_AHEAD
:
1067 return (RECORD_LAYER_get_read_ahead(&s
->rlayer
));
1068 case SSL_CTRL_SET_READ_AHEAD
:
1069 l
= RECORD_LAYER_get_read_ahead(&s
->rlayer
);
1070 RECORD_LAYER_set_read_ahead(&s
->rlayer
, larg
);
1073 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1074 s
->msg_callback_arg
= parg
;
1077 case SSL_CTRL_OPTIONS
:
1078 return (s
->options
|= larg
);
1079 case SSL_CTRL_CLEAR_OPTIONS
:
1080 return (s
->options
&= ~larg
);
1082 return (s
->mode
|= larg
);
1083 case SSL_CTRL_CLEAR_MODE
:
1084 return (s
->mode
&= ~larg
);
1085 case SSL_CTRL_GET_MAX_CERT_LIST
:
1086 return (s
->max_cert_list
);
1087 case SSL_CTRL_SET_MAX_CERT_LIST
:
1088 l
= s
->max_cert_list
;
1089 s
->max_cert_list
= larg
;
1091 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1092 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1094 s
->max_send_fragment
= larg
;
1096 case SSL_CTRL_GET_RI_SUPPORT
:
1098 return s
->s3
->send_connection_binding
;
1101 case SSL_CTRL_CERT_FLAGS
:
1102 return (s
->cert
->cert_flags
|= larg
);
1103 case SSL_CTRL_CLEAR_CERT_FLAGS
:
1104 return (s
->cert
->cert_flags
&= ~larg
);
1106 case SSL_CTRL_GET_RAW_CIPHERLIST
:
1108 if (s
->cert
->ciphers_raw
== NULL
)
1110 *(unsigned char **)parg
= s
->cert
->ciphers_raw
;
1111 return (int)s
->cert
->ciphers_rawlen
;
1113 return ssl_put_cipher_by_char(s
, NULL
, NULL
);
1114 case SSL_CTRL_GET_EXTMS_SUPPORT
:
1115 if (!s
->session
|| SSL_in_init(s
) || s
->in_handshake
)
1117 if (s
->session
->flags
& SSL_SESS_FLAG_EXTMS
)
1122 return (s
->method
->ssl_ctrl(s
, cmd
, larg
, parg
));
1126 long SSL_callback_ctrl(SSL
*s
, int cmd
, void (*fp
) (void))
1129 case SSL_CTRL_SET_MSG_CALLBACK
:
1130 s
->msg_callback
= (void (*)
1131 (int write_p
, int version
, int content_type
,
1132 const void *buf
, size_t len
, SSL
*ssl
,
1137 return (s
->method
->ssl_callback_ctrl(s
, cmd
, fp
));
1141 LHASH_OF(SSL_SESSION
) *SSL_CTX_sessions(SSL_CTX
*ctx
)
1143 return ctx
->sessions
;
1146 long SSL_CTX_ctrl(SSL_CTX
*ctx
, int cmd
, long larg
, void *parg
)
1149 /* For some cases with ctx == NULL perform syntax checks */
1152 #ifndef OPENSSL_NO_EC
1153 case SSL_CTRL_SET_CURVES_LIST
:
1154 return tls1_set_curves_list(NULL
, NULL
, parg
);
1156 case SSL_CTRL_SET_SIGALGS_LIST
:
1157 case SSL_CTRL_SET_CLIENT_SIGALGS_LIST
:
1158 return tls1_set_sigalgs_list(NULL
, parg
, 0);
1165 case SSL_CTRL_GET_READ_AHEAD
:
1166 return (ctx
->read_ahead
);
1167 case SSL_CTRL_SET_READ_AHEAD
:
1168 l
= ctx
->read_ahead
;
1169 ctx
->read_ahead
= larg
;
1172 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1173 ctx
->msg_callback_arg
= parg
;
1176 case SSL_CTRL_GET_MAX_CERT_LIST
:
1177 return (ctx
->max_cert_list
);
1178 case SSL_CTRL_SET_MAX_CERT_LIST
:
1179 l
= ctx
->max_cert_list
;
1180 ctx
->max_cert_list
= larg
;
1183 case SSL_CTRL_SET_SESS_CACHE_SIZE
:
1184 l
= ctx
->session_cache_size
;
1185 ctx
->session_cache_size
= larg
;
1187 case SSL_CTRL_GET_SESS_CACHE_SIZE
:
1188 return (ctx
->session_cache_size
);
1189 case SSL_CTRL_SET_SESS_CACHE_MODE
:
1190 l
= ctx
->session_cache_mode
;
1191 ctx
->session_cache_mode
= larg
;
1193 case SSL_CTRL_GET_SESS_CACHE_MODE
:
1194 return (ctx
->session_cache_mode
);
1196 case SSL_CTRL_SESS_NUMBER
:
1197 return (lh_SSL_SESSION_num_items(ctx
->sessions
));
1198 case SSL_CTRL_SESS_CONNECT
:
1199 return (ctx
->stats
.sess_connect
);
1200 case SSL_CTRL_SESS_CONNECT_GOOD
:
1201 return (ctx
->stats
.sess_connect_good
);
1202 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE
:
1203 return (ctx
->stats
.sess_connect_renegotiate
);
1204 case SSL_CTRL_SESS_ACCEPT
:
1205 return (ctx
->stats
.sess_accept
);
1206 case SSL_CTRL_SESS_ACCEPT_GOOD
:
1207 return (ctx
->stats
.sess_accept_good
);
1208 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE
:
1209 return (ctx
->stats
.sess_accept_renegotiate
);
1210 case SSL_CTRL_SESS_HIT
:
1211 return (ctx
->stats
.sess_hit
);
1212 case SSL_CTRL_SESS_CB_HIT
:
1213 return (ctx
->stats
.sess_cb_hit
);
1214 case SSL_CTRL_SESS_MISSES
:
1215 return (ctx
->stats
.sess_miss
);
1216 case SSL_CTRL_SESS_TIMEOUTS
:
1217 return (ctx
->stats
.sess_timeout
);
1218 case SSL_CTRL_SESS_CACHE_FULL
:
1219 return (ctx
->stats
.sess_cache_full
);
1220 case SSL_CTRL_OPTIONS
:
1221 return (ctx
->options
|= larg
);
1222 case SSL_CTRL_CLEAR_OPTIONS
:
1223 return (ctx
->options
&= ~larg
);
1225 return (ctx
->mode
|= larg
);
1226 case SSL_CTRL_CLEAR_MODE
:
1227 return (ctx
->mode
&= ~larg
);
1228 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1229 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1231 ctx
->max_send_fragment
= larg
;
1233 case SSL_CTRL_CERT_FLAGS
:
1234 return (ctx
->cert
->cert_flags
|= larg
);
1235 case SSL_CTRL_CLEAR_CERT_FLAGS
:
1236 return (ctx
->cert
->cert_flags
&= ~larg
);
1238 return (ctx
->method
->ssl_ctx_ctrl(ctx
, cmd
, larg
, parg
));
1242 long SSL_CTX_callback_ctrl(SSL_CTX
*ctx
, int cmd
, void (*fp
) (void))
1245 case SSL_CTRL_SET_MSG_CALLBACK
:
1246 ctx
->msg_callback
= (void (*)
1247 (int write_p
, int version
, int content_type
,
1248 const void *buf
, size_t len
, SSL
*ssl
,
1253 return (ctx
->method
->ssl_ctx_callback_ctrl(ctx
, cmd
, fp
));
1257 int ssl_cipher_id_cmp(const SSL_CIPHER
*a
, const SSL_CIPHER
*b
)
1265 return ((l
> 0) ? 1 : -1);
1268 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
*const *ap
,
1269 const SSL_CIPHER
*const *bp
)
1273 l
= (*ap
)->id
- (*bp
)->id
;
1277 return ((l
> 0) ? 1 : -1);
1280 /** return a STACK of the ciphers available for the SSL and in order of
1282 STACK_OF(SSL_CIPHER
) *SSL_get_ciphers(const SSL
*s
)
1285 if (s
->cipher_list
!= NULL
) {
1286 return (s
->cipher_list
);
1287 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list
!= NULL
)) {
1288 return (s
->ctx
->cipher_list
);
1294 STACK_OF(SSL_CIPHER
) *SSL_get1_supported_ciphers(SSL
*s
)
1296 STACK_OF(SSL_CIPHER
) *sk
= NULL
, *ciphers
;
1298 ciphers
= SSL_get_ciphers(s
);
1301 ssl_set_client_disabled(s
);
1302 for (i
= 0; i
< sk_SSL_CIPHER_num(ciphers
); i
++) {
1303 const SSL_CIPHER
*c
= sk_SSL_CIPHER_value(ciphers
, i
);
1304 if (!ssl_cipher_disabled(s
, c
, SSL_SECOP_CIPHER_SUPPORTED
)) {
1306 sk
= sk_SSL_CIPHER_new_null();
1309 if (!sk_SSL_CIPHER_push(sk
, c
)) {
1310 sk_SSL_CIPHER_free(sk
);
1318 /** return a STACK of the ciphers available for the SSL and in order of
1320 STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL
*s
)
1323 if (s
->cipher_list_by_id
!= NULL
) {
1324 return (s
->cipher_list_by_id
);
1325 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list_by_id
!= NULL
)) {
1326 return (s
->ctx
->cipher_list_by_id
);
1332 /** The old interface to get the same thing as SSL_get_ciphers() */
1333 const char *SSL_get_cipher_list(const SSL
*s
, int n
)
1336 STACK_OF(SSL_CIPHER
) *sk
;
1340 sk
= SSL_get_ciphers(s
);
1341 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= n
))
1343 c
= sk_SSL_CIPHER_value(sk
, n
);
1349 /** specify the ciphers to be used by default by the SSL_CTX */
1350 int SSL_CTX_set_cipher_list(SSL_CTX
*ctx
, const char *str
)
1352 STACK_OF(SSL_CIPHER
) *sk
;
1354 sk
= ssl_create_cipher_list(ctx
->method
, &ctx
->cipher_list
,
1355 &ctx
->cipher_list_by_id
, str
, ctx
->cert
);
1357 * ssl_create_cipher_list may return an empty stack if it was unable to
1358 * find a cipher matching the given rule string (for example if the rule
1359 * string specifies a cipher which has been disabled). This is not an
1360 * error as far as ssl_create_cipher_list is concerned, and hence
1361 * ctx->cipher_list and ctx->cipher_list_by_id has been updated.
1365 else if (sk_SSL_CIPHER_num(sk
) == 0) {
1366 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1372 /** specify the ciphers to be used by the SSL */
1373 int SSL_set_cipher_list(SSL
*s
, const char *str
)
1375 STACK_OF(SSL_CIPHER
) *sk
;
1377 sk
= ssl_create_cipher_list(s
->ctx
->method
, &s
->cipher_list
,
1378 &s
->cipher_list_by_id
, str
, s
->cert
);
1379 /* see comment in SSL_CTX_set_cipher_list */
1382 else if (sk_SSL_CIPHER_num(sk
) == 0) {
1383 SSLerr(SSL_F_SSL_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1389 /* works well for SSLv2, not so good for SSLv3 */
1390 char *SSL_get_shared_ciphers(const SSL
*s
, char *buf
, int len
)
1393 STACK_OF(SSL_CIPHER
) *sk
;
1397 if ((s
->session
== NULL
) || (s
->session
->ciphers
== NULL
) || (len
< 2))
1401 sk
= s
->session
->ciphers
;
1403 if (sk_SSL_CIPHER_num(sk
) == 0)
1406 for (i
= 0; i
< sk_SSL_CIPHER_num(sk
); i
++) {
1409 c
= sk_SSL_CIPHER_value(sk
, i
);
1410 n
= strlen(c
->name
);
1426 int ssl_cipher_list_to_bytes(SSL
*s
, STACK_OF(SSL_CIPHER
) *sk
,
1428 int (*put_cb
) (const SSL_CIPHER
*,
1434 int empty_reneg_info_scsv
= !s
->renegotiate
;
1435 /* Set disabled masks for this session */
1436 ssl_set_client_disabled(s
);
1442 put_cb
= s
->method
->put_cipher_by_char
;
1444 for (i
= 0; i
< sk_SSL_CIPHER_num(sk
); i
++) {
1445 c
= sk_SSL_CIPHER_value(sk
, i
);
1446 /* Skip disabled ciphers */
1447 if (ssl_cipher_disabled(s
, c
, SSL_SECOP_CIPHER_SUPPORTED
))
1449 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1450 if (c
->id
== SSL3_CK_SCSV
) {
1451 if (!empty_reneg_info_scsv
)
1454 empty_reneg_info_scsv
= 0;
1461 * If p == q, no ciphers; caller indicates an error. Otherwise, add
1465 if (empty_reneg_info_scsv
) {
1466 static SSL_CIPHER scsv
= {
1467 0, NULL
, SSL3_CK_SCSV
, 0, 0, 0, 0, 0, 0, 0, 0, 0
1469 j
= put_cb(&scsv
, p
);
1471 #ifdef OPENSSL_RI_DEBUG
1473 "TLS_EMPTY_RENEGOTIATION_INFO_SCSV sent by client\n");
1476 if (s
->mode
& SSL_MODE_SEND_FALLBACK_SCSV
) {
1477 static SSL_CIPHER scsv
= {
1478 0, NULL
, SSL3_CK_FALLBACK_SCSV
, 0, 0, 0, 0, 0, 0, 0, 0, 0
1480 j
= put_cb(&scsv
, p
);
1488 STACK_OF(SSL_CIPHER
) *ssl_bytes_to_cipher_list(SSL
*s
, unsigned char *p
,
1490 STACK_OF(SSL_CIPHER
) **skp
)
1492 const SSL_CIPHER
*c
;
1493 STACK_OF(SSL_CIPHER
) *sk
;
1497 s
->s3
->send_connection_binding
= 0;
1499 n
= ssl_put_cipher_by_char(s
, NULL
, NULL
);
1500 if (n
== 0 || (num
% n
) != 0) {
1501 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,
1502 SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
1505 if ((skp
== NULL
) || (*skp
== NULL
))
1506 sk
= sk_SSL_CIPHER_new_null(); /* change perhaps later */
1509 sk_SSL_CIPHER_zero(sk
);
1512 if (s
->cert
->ciphers_raw
)
1513 OPENSSL_free(s
->cert
->ciphers_raw
);
1514 s
->cert
->ciphers_raw
= BUF_memdup(p
, num
);
1515 if (s
->cert
->ciphers_raw
== NULL
) {
1516 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1519 s
->cert
->ciphers_rawlen
= (size_t)num
;
1521 for (i
= 0; i
< num
; i
+= n
) {
1522 /* Check for TLS_EMPTY_RENEGOTIATION_INFO_SCSV */
1523 if (s
->s3
&& (n
!= 3 || !p
[0]) &&
1524 (p
[n
- 2] == ((SSL3_CK_SCSV
>> 8) & 0xff)) &&
1525 (p
[n
- 1] == (SSL3_CK_SCSV
& 0xff))) {
1526 /* SCSV fatal if renegotiating */
1527 if (s
->renegotiate
) {
1528 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,
1529 SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING
);
1530 ssl3_send_alert(s
, SSL3_AL_FATAL
, SSL_AD_HANDSHAKE_FAILURE
);
1533 s
->s3
->send_connection_binding
= 1;
1535 #ifdef OPENSSL_RI_DEBUG
1536 fprintf(stderr
, "SCSV received by server\n");
1541 /* Check for TLS_FALLBACK_SCSV */
1542 if ((n
!= 3 || !p
[0]) &&
1543 (p
[n
- 2] == ((SSL3_CK_FALLBACK_SCSV
>> 8) & 0xff)) &&
1544 (p
[n
- 1] == (SSL3_CK_FALLBACK_SCSV
& 0xff))) {
1546 * The SCSV indicates that the client previously tried a higher
1547 * version. Fail if the current version is an unexpected
1550 if (!SSL_ctrl(s
, SSL_CTRL_CHECK_PROTO_VERSION
, 0, NULL
)) {
1551 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,
1552 SSL_R_INAPPROPRIATE_FALLBACK
);
1554 ssl3_send_alert(s
, SSL3_AL_FATAL
,
1555 SSL_AD_INAPPROPRIATE_FALLBACK
);
1562 c
= ssl_get_cipher_by_char(s
, p
);
1565 if (!sk_SSL_CIPHER_push(sk
, c
)) {
1566 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1576 if ((skp
== NULL
) || (*skp
== NULL
))
1577 sk_SSL_CIPHER_free(sk
);
1581 #ifndef OPENSSL_NO_TLSEXT
1582 /** return a servername extension value if provided in Client Hello, or NULL.
1583 * So far, only host_name types are defined (RFC 3546).
1586 const char *SSL_get_servername(const SSL
*s
, const int type
)
1588 if (type
!= TLSEXT_NAMETYPE_host_name
)
1591 return s
->session
&& !s
->tlsext_hostname
?
1592 s
->session
->tlsext_hostname
: s
->tlsext_hostname
;
1595 int SSL_get_servername_type(const SSL
*s
)
1598 && (!s
->tlsext_hostname
? s
->session
->
1599 tlsext_hostname
: s
->tlsext_hostname
))
1600 return TLSEXT_NAMETYPE_host_name
;
1605 * SSL_select_next_proto implements the standard protocol selection. It is
1606 * expected that this function is called from the callback set by
1607 * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a
1608 * vector of 8-bit, length prefixed byte strings. The length byte itself is
1609 * not included in the length. A byte string of length 0 is invalid. No byte
1610 * string may be truncated. The current, but experimental algorithm for
1611 * selecting the protocol is: 1) If the server doesn't support NPN then this
1612 * is indicated to the callback. In this case, the client application has to
1613 * abort the connection or have a default application level protocol. 2) If
1614 * the server supports NPN, but advertises an empty list then the client
1615 * selects the first protcol in its list, but indicates via the API that this
1616 * fallback case was enacted. 3) Otherwise, the client finds the first
1617 * protocol in the server's list that it supports and selects this protocol.
1618 * This is because it's assumed that the server has better information about
1619 * which protocol a client should use. 4) If the client doesn't support any
1620 * of the server's advertised protocols, then this is treated the same as
1621 * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was
1622 * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
1624 int SSL_select_next_proto(unsigned char **out
, unsigned char *outlen
,
1625 const unsigned char *server
,
1626 unsigned int server_len
,
1627 const unsigned char *client
,
1628 unsigned int client_len
)
1631 const unsigned char *result
;
1632 int status
= OPENSSL_NPN_UNSUPPORTED
;
1635 * For each protocol in server preference order, see if we support it.
1637 for (i
= 0; i
< server_len
;) {
1638 for (j
= 0; j
< client_len
;) {
1639 if (server
[i
] == client
[j
] &&
1640 memcmp(&server
[i
+ 1], &client
[j
+ 1], server
[i
]) == 0) {
1641 /* We found a match */
1642 result
= &server
[i
];
1643 status
= OPENSSL_NPN_NEGOTIATED
;
1653 /* There's no overlap between our protocols and the server's list. */
1655 status
= OPENSSL_NPN_NO_OVERLAP
;
1658 *out
= (unsigned char *)result
+ 1;
1659 *outlen
= result
[0];
1663 # ifndef OPENSSL_NO_NEXTPROTONEG
1665 * SSL_get0_next_proto_negotiated sets *data and *len to point to the
1666 * client's requested protocol for this connection and returns 0. If the
1667 * client didn't request any protocol, then *data is set to NULL. Note that
1668 * the client can request any protocol it chooses. The value returned from
1669 * this function need not be a member of the list of supported protocols
1670 * provided by the callback.
1672 void SSL_get0_next_proto_negotiated(const SSL
*s
, const unsigned char **data
,
1675 *data
= s
->next_proto_negotiated
;
1679 *len
= s
->next_proto_negotiated_len
;
1684 * SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when
1685 * a TLS server needs a list of supported protocols for Next Protocol
1686 * Negotiation. The returned list must be in wire format. The list is
1687 * returned by setting |out| to point to it and |outlen| to its length. This
1688 * memory will not be modified, but one should assume that the SSL* keeps a
1689 * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it
1690 * wishes to advertise. Otherwise, no such extension will be included in the
1693 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX
*ctx
,
1694 int (*cb
) (SSL
*ssl
,
1697 unsigned int *outlen
,
1698 void *arg
), void *arg
)
1700 ctx
->next_protos_advertised_cb
= cb
;
1701 ctx
->next_protos_advertised_cb_arg
= arg
;
1705 * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
1706 * client needs to select a protocol from the server's provided list. |out|
1707 * must be set to point to the selected protocol (which may be within |in|).
1708 * The length of the protocol name must be written into |outlen|. The
1709 * server's advertised protocols are provided in |in| and |inlen|. The
1710 * callback can assume that |in| is syntactically valid. The client must
1711 * select a protocol. It is fatal to the connection if this callback returns
1712 * a value other than SSL_TLSEXT_ERR_OK.
1714 void SSL_CTX_set_next_proto_select_cb(SSL_CTX
*ctx
,
1715 int (*cb
) (SSL
*s
, unsigned char **out
,
1716 unsigned char *outlen
,
1717 const unsigned char *in
,
1719 void *arg
), void *arg
)
1721 ctx
->next_proto_select_cb
= cb
;
1722 ctx
->next_proto_select_cb_arg
= arg
;
1727 * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|.
1728 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1729 * length-prefixed strings). Returns 0 on success.
1731 int SSL_CTX_set_alpn_protos(SSL_CTX
*ctx
, const unsigned char *protos
,
1732 unsigned protos_len
)
1734 if (ctx
->alpn_client_proto_list
)
1735 OPENSSL_free(ctx
->alpn_client_proto_list
);
1737 ctx
->alpn_client_proto_list
= OPENSSL_malloc(protos_len
);
1738 if (!ctx
->alpn_client_proto_list
)
1740 memcpy(ctx
->alpn_client_proto_list
, protos
, protos_len
);
1741 ctx
->alpn_client_proto_list_len
= protos_len
;
1747 * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|.
1748 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1749 * length-prefixed strings). Returns 0 on success.
1751 int SSL_set_alpn_protos(SSL
*ssl
, const unsigned char *protos
,
1752 unsigned protos_len
)
1754 if (ssl
->alpn_client_proto_list
)
1755 OPENSSL_free(ssl
->alpn_client_proto_list
);
1757 ssl
->alpn_client_proto_list
= OPENSSL_malloc(protos_len
);
1758 if (!ssl
->alpn_client_proto_list
)
1760 memcpy(ssl
->alpn_client_proto_list
, protos
, protos_len
);
1761 ssl
->alpn_client_proto_list_len
= protos_len
;
1767 * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is
1768 * called during ClientHello processing in order to select an ALPN protocol
1769 * from the client's list of offered protocols.
1771 void SSL_CTX_set_alpn_select_cb(SSL_CTX
*ctx
,
1772 int (*cb
) (SSL
*ssl
,
1773 const unsigned char **out
,
1774 unsigned char *outlen
,
1775 const unsigned char *in
,
1777 void *arg
), void *arg
)
1779 ctx
->alpn_select_cb
= cb
;
1780 ctx
->alpn_select_cb_arg
= arg
;
1784 * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from
1785 * |ssl|. On return it sets |*data| to point to |*len| bytes of protocol name
1786 * (not including the leading length-prefix byte). If the server didn't
1787 * respond with a negotiated protocol then |*len| will be zero.
1789 void SSL_get0_alpn_selected(const SSL
*ssl
, const unsigned char **data
,
1794 *data
= ssl
->s3
->alpn_selected
;
1798 *len
= ssl
->s3
->alpn_selected_len
;
1801 #endif /* !OPENSSL_NO_TLSEXT */
1803 int SSL_export_keying_material(SSL
*s
, unsigned char *out
, size_t olen
,
1804 const char *label
, size_t llen
,
1805 const unsigned char *p
, size_t plen
,
1808 if (s
->version
< TLS1_VERSION
)
1811 return s
->method
->ssl3_enc
->export_keying_material(s
, out
, olen
, label
,
1816 static unsigned long ssl_session_hash(const SSL_SESSION
*a
)
1821 ((unsigned int)a
->session_id
[0]) |
1822 ((unsigned int)a
->session_id
[1] << 8L) |
1823 ((unsigned long)a
->session_id
[2] << 16L) |
1824 ((unsigned long)a
->session_id
[3] << 24L);
1829 * NB: If this function (or indeed the hash function which uses a sort of
1830 * coarser function than this one) is changed, ensure
1831 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on
1832 * being able to construct an SSL_SESSION that will collide with any existing
1833 * session with a matching session ID.
1835 static int ssl_session_cmp(const SSL_SESSION
*a
, const SSL_SESSION
*b
)
1837 if (a
->ssl_version
!= b
->ssl_version
)
1839 if (a
->session_id_length
!= b
->session_id_length
)
1841 return (memcmp(a
->session_id
, b
->session_id
, a
->session_id_length
));
1845 * These wrapper functions should remain rather than redeclaring
1846 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1847 * variable. The reason is that the functions aren't static, they're exposed
1850 static IMPLEMENT_LHASH_HASH_FN(ssl_session
, SSL_SESSION
)
1851 static IMPLEMENT_LHASH_COMP_FN(ssl_session
, SSL_SESSION
)
1853 SSL_CTX
*SSL_CTX_new(const SSL_METHOD
*meth
)
1855 SSL_CTX
*ret
= NULL
;
1858 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_NULL_SSL_METHOD_PASSED
);
1862 if (FIPS_mode() && (meth
->version
< TLS1_VERSION
)) {
1863 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE
);
1867 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
1868 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS
);
1871 ret
= OPENSSL_malloc(sizeof(SSL_CTX
));
1875 memset(ret
, 0, sizeof(SSL_CTX
));
1879 ret
->cert_store
= NULL
;
1880 ret
->session_cache_mode
= SSL_SESS_CACHE_SERVER
;
1881 ret
->session_cache_size
= SSL_SESSION_CACHE_MAX_SIZE_DEFAULT
;
1882 ret
->session_cache_head
= NULL
;
1883 ret
->session_cache_tail
= NULL
;
1885 /* We take the system default */
1886 ret
->session_timeout
= meth
->get_timeout();
1888 ret
->new_session_cb
= 0;
1889 ret
->remove_session_cb
= 0;
1890 ret
->get_session_cb
= 0;
1891 ret
->generate_session_id
= 0;
1893 memset((char *)&ret
->stats
, 0, sizeof(ret
->stats
));
1895 ret
->references
= 1;
1896 ret
->quiet_shutdown
= 0;
1897 ret
->info_callback
= NULL
;
1898 ret
->app_verify_callback
= 0;
1899 ret
->app_verify_arg
= NULL
;
1900 ret
->max_cert_list
= SSL_MAX_CERT_LIST_DEFAULT
;
1901 ret
->read_ahead
= 0;
1902 ret
->msg_callback
= 0;
1903 ret
->msg_callback_arg
= NULL
;
1904 ret
->verify_mode
= SSL_VERIFY_NONE
;
1905 ret
->sid_ctx_length
= 0;
1906 ret
->default_verify_callback
= NULL
;
1907 if ((ret
->cert
= ssl_cert_new()) == NULL
)
1910 ret
->default_passwd_callback
= 0;
1911 ret
->default_passwd_callback_userdata
= NULL
;
1912 ret
->client_cert_cb
= 0;
1913 ret
->app_gen_cookie_cb
= 0;
1914 ret
->app_verify_cookie_cb
= 0;
1916 ret
->sessions
= lh_SSL_SESSION_new();
1917 if (ret
->sessions
== NULL
)
1919 ret
->cert_store
= X509_STORE_new();
1920 if (ret
->cert_store
== NULL
)
1923 if (!ssl_create_cipher_list(ret
->method
,
1924 &ret
->cipher_list
, &ret
->cipher_list_by_id
,
1925 SSL_DEFAULT_CIPHER_LIST
, ret
->cert
)
1926 || sk_SSL_CIPHER_num(ret
->cipher_list
) <= 0) {
1927 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_LIBRARY_HAS_NO_CIPHERS
);
1931 ret
->param
= X509_VERIFY_PARAM_new();
1935 if ((ret
->md5
= EVP_get_digestbyname("ssl3-md5")) == NULL
) {
1936 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES
);
1939 if ((ret
->sha1
= EVP_get_digestbyname("ssl3-sha1")) == NULL
) {
1940 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES
);
1944 if ((ret
->client_CA
= sk_X509_NAME_new_null()) == NULL
)
1947 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, ret
, &ret
->ex_data
);
1949 ret
->extra_certs
= NULL
;
1950 /* No compression for DTLS */
1951 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
))
1952 ret
->comp_methods
= SSL_COMP_get_compression_methods();
1954 ret
->max_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
1956 #ifndef OPENSSL_NO_TLSEXT
1957 ret
->tlsext_servername_callback
= 0;
1958 ret
->tlsext_servername_arg
= NULL
;
1959 /* Setup RFC4507 ticket keys */
1960 if ((RAND_bytes(ret
->tlsext_tick_key_name
, 16) <= 0)
1961 || (RAND_bytes(ret
->tlsext_tick_hmac_key
, 16) <= 0)
1962 || (RAND_bytes(ret
->tlsext_tick_aes_key
, 16) <= 0))
1963 ret
->options
|= SSL_OP_NO_TICKET
;
1965 ret
->tlsext_status_cb
= 0;
1966 ret
->tlsext_status_arg
= NULL
;
1968 # ifndef OPENSSL_NO_NEXTPROTONEG
1969 ret
->next_protos_advertised_cb
= 0;
1970 ret
->next_proto_select_cb
= 0;
1973 #ifndef OPENSSL_NO_PSK
1974 ret
->psk_identity_hint
= NULL
;
1975 ret
->psk_client_callback
= NULL
;
1976 ret
->psk_server_callback
= NULL
;
1978 #ifndef OPENSSL_NO_SRP
1979 if (!SSL_CTX_SRP_CTX_init(ret
))
1982 #ifndef OPENSSL_NO_ENGINE
1983 ret
->client_cert_engine
= NULL
;
1984 # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
1985 # define eng_strx(x) #x
1986 # define eng_str(x) eng_strx(x)
1987 /* Use specific client engine automatically... ignore errors */
1990 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
1993 ENGINE_load_builtin_engines();
1994 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
1996 if (!eng
|| !SSL_CTX_set_client_cert_engine(ret
, eng
))
2002 * Default is to connect to non-RI servers. When RI is more widely
2003 * deployed might change this.
2005 ret
->options
|= SSL_OP_LEGACY_SERVER_CONNECT
;
2009 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 ssl_cert_free(a
->cert
);
2062 if (a
->client_CA
!= NULL
)
2063 sk_X509_NAME_pop_free(a
->client_CA
, X509_NAME_free
);
2064 if (a
->extra_certs
!= NULL
)
2065 sk_X509_pop_free(a
->extra_certs
, X509_free
);
2066 a
->comp_methods
= NULL
;
2068 #ifndef OPENSSL_NO_SRTP
2069 if (a
->srtp_profiles
)
2070 sk_SRTP_PROTECTION_PROFILE_free(a
->srtp_profiles
);
2073 #ifndef OPENSSL_NO_PSK
2074 if (a
->psk_identity_hint
)
2075 OPENSSL_free(a
->psk_identity_hint
);
2077 #ifndef OPENSSL_NO_SRP
2078 SSL_CTX_SRP_CTX_free(a
);
2080 #ifndef OPENSSL_NO_ENGINE
2081 if (a
->client_cert_engine
)
2082 ENGINE_finish(a
->client_cert_engine
);
2085 #ifndef OPENSSL_NO_TLSEXT
2086 # ifndef OPENSSL_NO_EC
2087 if (a
->tlsext_ecpointformatlist
)
2088 OPENSSL_free(a
->tlsext_ecpointformatlist
);
2089 if (a
->tlsext_ellipticcurvelist
)
2090 OPENSSL_free(a
->tlsext_ellipticcurvelist
);
2091 # endif /* OPENSSL_NO_EC */
2092 if (a
->alpn_client_proto_list
!= NULL
)
2093 OPENSSL_free(a
->alpn_client_proto_list
);
2099 void SSL_CTX_set_default_passwd_cb(SSL_CTX
*ctx
, pem_password_cb
*cb
)
2101 ctx
->default_passwd_callback
= cb
;
2104 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX
*ctx
, void *u
)
2106 ctx
->default_passwd_callback_userdata
= u
;
2109 void SSL_CTX_set_cert_verify_callback(SSL_CTX
*ctx
,
2110 int (*cb
) (X509_STORE_CTX
*, void *),
2113 ctx
->app_verify_callback
= cb
;
2114 ctx
->app_verify_arg
= arg
;
2117 void SSL_CTX_set_verify(SSL_CTX
*ctx
, int mode
,
2118 int (*cb
) (int, X509_STORE_CTX
*))
2120 ctx
->verify_mode
= mode
;
2121 ctx
->default_verify_callback
= cb
;
2124 void SSL_CTX_set_verify_depth(SSL_CTX
*ctx
, int depth
)
2126 X509_VERIFY_PARAM_set_depth(ctx
->param
, depth
);
2129 void SSL_CTX_set_cert_cb(SSL_CTX
*c
, int (*cb
) (SSL
*ssl
, void *arg
),
2132 ssl_cert_set_cert_cb(c
->cert
, cb
, arg
);
2135 void SSL_set_cert_cb(SSL
*s
, int (*cb
) (SSL
*ssl
, void *arg
), void *arg
)
2137 ssl_cert_set_cert_cb(s
->cert
, cb
, arg
);
2140 void ssl_set_cert_masks(CERT
*c
, const SSL_CIPHER
*cipher
)
2143 int rsa_enc
, rsa_tmp
, rsa_sign
, dh_tmp
, dh_rsa
, dh_dsa
, dsa_sign
;
2144 int rsa_enc_export
, dh_rsa_export
, dh_dsa_export
;
2145 int rsa_tmp_export
, dh_tmp_export
, kl
;
2146 unsigned long mask_k
, mask_a
, emask_k
, emask_a
;
2147 #ifndef OPENSSL_NO_EC
2148 int have_ecc_cert
, ecdsa_ok
, ecc_pkey_size
;
2149 int have_ecdh_tmp
, ecdh_ok
;
2151 EVP_PKEY
*ecc_pkey
= NULL
;
2152 int signature_nid
= 0, pk_nid
= 0, md_nid
= 0;
2157 kl
= SSL_C_EXPORT_PKEYLENGTH(cipher
);
2159 #ifndef OPENSSL_NO_RSA
2160 rsa_tmp
= (c
->rsa_tmp
!= NULL
|| c
->rsa_tmp_cb
!= NULL
);
2161 rsa_tmp_export
= (c
->rsa_tmp_cb
!= NULL
||
2162 (rsa_tmp
&& RSA_size(c
->rsa_tmp
) * 8 <= kl
));
2164 rsa_tmp
= rsa_tmp_export
= 0;
2166 #ifndef OPENSSL_NO_DH
2167 dh_tmp
= (c
->dh_tmp
!= NULL
|| c
->dh_tmp_cb
!= NULL
|| c
->dh_tmp_auto
);
2168 dh_tmp_export
= !c
->dh_tmp_auto
&& (c
->dh_tmp_cb
!= NULL
||
2170 && DH_size(c
->dh_tmp
) * 8 <= kl
));
2172 dh_tmp
= dh_tmp_export
= 0;
2175 #ifndef OPENSSL_NO_EC
2176 have_ecdh_tmp
= (c
->ecdh_tmp
|| c
->ecdh_tmp_cb
|| c
->ecdh_tmp_auto
);
2178 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_ENC
]);
2179 rsa_enc
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2180 rsa_enc_export
= (rsa_enc
&& EVP_PKEY_size(cpk
->privatekey
) * 8 <= kl
);
2181 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_SIGN
]);
2182 rsa_sign
= cpk
->valid_flags
& CERT_PKEY_SIGN
;
2183 cpk
= &(c
->pkeys
[SSL_PKEY_DSA_SIGN
]);
2184 dsa_sign
= cpk
->valid_flags
& CERT_PKEY_SIGN
;
2185 cpk
= &(c
->pkeys
[SSL_PKEY_DH_RSA
]);
2186 dh_rsa
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2187 dh_rsa_export
= (dh_rsa
&& EVP_PKEY_size(cpk
->privatekey
) * 8 <= kl
);
2188 cpk
= &(c
->pkeys
[SSL_PKEY_DH_DSA
]);
2189 /* FIX THIS EAY EAY EAY */
2190 dh_dsa
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2191 dh_dsa_export
= (dh_dsa
&& EVP_PKEY_size(cpk
->privatekey
) * 8 <= kl
);
2192 cpk
= &(c
->pkeys
[SSL_PKEY_ECC
]);
2193 #ifndef OPENSSL_NO_EC
2194 have_ecc_cert
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2203 "rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
2204 rsa_tmp
, rsa_tmp_export
, dh_tmp
, have_ecdh_tmp
, rsa_enc
,
2205 rsa_enc_export
, rsa_sign
, dsa_sign
, dh_rsa
, dh_dsa
);
2208 cpk
= &(c
->pkeys
[SSL_PKEY_GOST01
]);
2209 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
) {
2210 mask_k
|= SSL_kGOST
;
2211 mask_a
|= SSL_aGOST01
;
2213 cpk
= &(c
->pkeys
[SSL_PKEY_GOST94
]);
2214 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
) {
2215 mask_k
|= SSL_kGOST
;
2216 mask_a
|= SSL_aGOST94
;
2219 if (rsa_enc
|| (rsa_tmp
&& rsa_sign
))
2221 if (rsa_enc_export
|| (rsa_tmp_export
&& (rsa_sign
|| rsa_enc
)))
2222 emask_k
|= SSL_kRSA
;
2225 emask_k
|= SSL_kDHE
;
2233 emask_k
|= SSL_kDHr
;
2238 emask_k
|= SSL_kDHd
;
2240 if (emask_k
& (SSL_kDHr
| SSL_kDHd
))
2243 if (rsa_enc
|| rsa_sign
) {
2245 emask_a
|= SSL_aRSA
;
2250 emask_a
|= SSL_aDSS
;
2253 mask_a
|= SSL_aNULL
;
2254 emask_a
|= SSL_aNULL
;
2256 #ifndef OPENSSL_NO_KRB5
2257 mask_k
|= SSL_kKRB5
;
2258 mask_a
|= SSL_aKRB5
;
2259 emask_k
|= SSL_kKRB5
;
2260 emask_a
|= SSL_aKRB5
;
2264 * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites
2265 * depending on the key usage extension.
2267 #ifndef OPENSSL_NO_EC
2268 if (have_ecc_cert
) {
2269 cpk
= &c
->pkeys
[SSL_PKEY_ECC
];
2271 /* This call populates extension flags (ex_flags) */
2272 X509_check_purpose(x
, -1, 0);
2273 ecdh_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
2274 (x
->ex_kusage
& X509v3_KU_KEY_AGREEMENT
) : 1;
2275 ecdsa_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
2276 (x
->ex_kusage
& X509v3_KU_DIGITAL_SIGNATURE
) : 1;
2277 if (!(cpk
->valid_flags
& CERT_PKEY_SIGN
))
2279 ecc_pkey
= X509_get_pubkey(x
);
2280 ecc_pkey_size
= (ecc_pkey
!= NULL
) ? EVP_PKEY_bits(ecc_pkey
) : 0;
2281 EVP_PKEY_free(ecc_pkey
);
2282 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
)) {
2283 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
2284 OBJ_find_sigid_algs(signature_nid
, &md_nid
, &pk_nid
);
2288 if (pk_nid
== NID_rsaEncryption
|| pk_nid
== NID_rsa
) {
2289 mask_k
|= SSL_kECDHr
;
2290 mask_a
|= SSL_aECDH
;
2291 if (ecc_pkey_size
<= 163) {
2292 emask_k
|= SSL_kECDHr
;
2293 emask_a
|= SSL_aECDH
;
2297 if (pk_nid
== NID_X9_62_id_ecPublicKey
) {
2298 mask_k
|= SSL_kECDHe
;
2299 mask_a
|= SSL_aECDH
;
2300 if (ecc_pkey_size
<= 163) {
2301 emask_k
|= SSL_kECDHe
;
2302 emask_a
|= SSL_aECDH
;
2307 mask_a
|= SSL_aECDSA
;
2308 emask_a
|= SSL_aECDSA
;
2313 #ifndef OPENSSL_NO_EC
2314 if (have_ecdh_tmp
) {
2315 mask_k
|= SSL_kECDHE
;
2316 emask_k
|= SSL_kECDHE
;
2320 #ifndef OPENSSL_NO_PSK
2323 emask_k
|= SSL_kPSK
;
2324 emask_a
|= SSL_aPSK
;
2329 c
->export_mask_k
= emask_k
;
2330 c
->export_mask_a
= emask_a
;
2334 /* This handy macro borrowed from crypto/x509v3/v3_purp.c */
2335 #define ku_reject(x, usage) \
2336 (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
2338 #ifndef OPENSSL_NO_EC
2340 int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, SSL
*s
)
2342 unsigned long alg_k
, alg_a
;
2343 EVP_PKEY
*pkey
= NULL
;
2345 int signature_nid
= 0, md_nid
= 0, pk_nid
= 0;
2346 const SSL_CIPHER
*cs
= s
->s3
->tmp
.new_cipher
;
2348 alg_k
= cs
->algorithm_mkey
;
2349 alg_a
= cs
->algorithm_auth
;
2351 if (SSL_C_IS_EXPORT(cs
)) {
2352 /* ECDH key length in export ciphers must be <= 163 bits */
2353 pkey
= X509_get_pubkey(x
);
2356 keysize
= EVP_PKEY_bits(pkey
);
2357 EVP_PKEY_free(pkey
);
2362 /* This call populates the ex_flags field correctly */
2363 X509_check_purpose(x
, -1, 0);
2364 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
)) {
2365 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
2366 OBJ_find_sigid_algs(signature_nid
, &md_nid
, &pk_nid
);
2368 if (alg_k
& SSL_kECDHe
|| alg_k
& SSL_kECDHr
) {
2369 /* key usage, if present, must allow key agreement */
2370 if (ku_reject(x
, X509v3_KU_KEY_AGREEMENT
)) {
2371 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2372 SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT
);
2375 if ((alg_k
& SSL_kECDHe
) && TLS1_get_version(s
) < TLS1_2_VERSION
) {
2376 /* signature alg must be ECDSA */
2377 if (pk_nid
!= NID_X9_62_id_ecPublicKey
) {
2378 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2379 SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE
);
2383 if ((alg_k
& SSL_kECDHr
) && TLS1_get_version(s
) < TLS1_2_VERSION
) {
2384 /* signature alg must be RSA */
2386 if (pk_nid
!= NID_rsaEncryption
&& pk_nid
!= NID_rsa
) {
2387 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2388 SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE
);
2393 if (alg_a
& SSL_aECDSA
) {
2394 /* key usage, if present, must allow signing */
2395 if (ku_reject(x
, X509v3_KU_DIGITAL_SIGNATURE
)) {
2396 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2397 SSL_R_ECC_CERT_NOT_FOR_SIGNING
);
2402 return 1; /* all checks are ok */
2407 static int ssl_get_server_cert_index(const SSL
*s
)
2410 idx
= ssl_cipher_get_cert_index(s
->s3
->tmp
.new_cipher
);
2411 if (idx
== SSL_PKEY_RSA_ENC
&& !s
->cert
->pkeys
[SSL_PKEY_RSA_ENC
].x509
)
2412 idx
= SSL_PKEY_RSA_SIGN
;
2414 SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX
, ERR_R_INTERNAL_ERROR
);
2418 CERT_PKEY
*ssl_get_server_send_pkey(const SSL
*s
)
2424 if (!s
->s3
|| !s
->s3
->tmp
.new_cipher
)
2426 ssl_set_cert_masks(c
, s
->s3
->tmp
.new_cipher
);
2428 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2430 * Broken protocol test: return last used certificate: which may mismatch
2433 if (c
->cert_flags
& SSL_CERT_FLAG_BROKEN_PROTOCOL
)
2437 i
= ssl_get_server_cert_index(s
);
2439 /* This may or may not be an error. */
2444 return &c
->pkeys
[i
];
2447 EVP_PKEY
*ssl_get_sign_pkey(SSL
*s
, const SSL_CIPHER
*cipher
,
2450 unsigned long alg_a
;
2454 alg_a
= cipher
->algorithm_auth
;
2457 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2459 * Broken protocol test: use last key: which may mismatch the one
2462 if (c
->cert_flags
& SSL_CERT_FLAG_BROKEN_PROTOCOL
)
2463 idx
= c
->key
- c
->pkeys
;
2467 if ((alg_a
& SSL_aDSS
) &&
2468 (c
->pkeys
[SSL_PKEY_DSA_SIGN
].privatekey
!= NULL
))
2469 idx
= SSL_PKEY_DSA_SIGN
;
2470 else if (alg_a
& SSL_aRSA
) {
2471 if (c
->pkeys
[SSL_PKEY_RSA_SIGN
].privatekey
!= NULL
)
2472 idx
= SSL_PKEY_RSA_SIGN
;
2473 else if (c
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
!= NULL
)
2474 idx
= SSL_PKEY_RSA_ENC
;
2475 } else if ((alg_a
& SSL_aECDSA
) &&
2476 (c
->pkeys
[SSL_PKEY_ECC
].privatekey
!= NULL
))
2479 SSLerr(SSL_F_SSL_GET_SIGN_PKEY
, ERR_R_INTERNAL_ERROR
);
2483 *pmd
= c
->pkeys
[idx
].digest
;
2484 return c
->pkeys
[idx
].privatekey
;
2487 #ifndef OPENSSL_NO_TLSEXT
2488 int ssl_get_server_cert_serverinfo(SSL
*s
, const unsigned char **serverinfo
,
2489 size_t *serverinfo_length
)
2493 *serverinfo_length
= 0;
2496 i
= ssl_get_server_cert_index(s
);
2500 if (c
->pkeys
[i
].serverinfo
== NULL
)
2503 *serverinfo
= c
->pkeys
[i
].serverinfo
;
2504 *serverinfo_length
= c
->pkeys
[i
].serverinfo_length
;
2509 void ssl_update_cache(SSL
*s
, int mode
)
2514 * If the session_id_length is 0, we are not supposed to cache it, and it
2515 * would be rather hard to do anyway :-)
2517 if (s
->session
->session_id_length
== 0)
2520 i
= s
->session_ctx
->session_cache_mode
;
2521 if ((i
& mode
) && (!s
->hit
)
2522 && ((i
& SSL_SESS_CACHE_NO_INTERNAL_STORE
)
2523 || SSL_CTX_add_session(s
->session_ctx
, s
->session
))
2524 && (s
->session_ctx
->new_session_cb
!= NULL
)) {
2525 CRYPTO_add(&s
->session
->references
, 1, CRYPTO_LOCK_SSL_SESSION
);
2526 if (!s
->session_ctx
->new_session_cb(s
, s
->session
))
2527 SSL_SESSION_free(s
->session
);
2530 /* auto flush every 255 connections */
2531 if ((!(i
& SSL_SESS_CACHE_NO_AUTO_CLEAR
)) && ((i
& mode
) == mode
)) {
2532 if ((((mode
& SSL_SESS_CACHE_CLIENT
)
2533 ? s
->session_ctx
->stats
.sess_connect_good
2534 : s
->session_ctx
->stats
.sess_accept_good
) & 0xff) == 0xff) {
2535 SSL_CTX_flush_sessions(s
->session_ctx
, (unsigned long)time(NULL
));
2540 const SSL_METHOD
*SSL_CTX_get_ssl_method(SSL_CTX
*ctx
)
2545 const SSL_METHOD
*SSL_get_ssl_method(SSL
*s
)
2550 int SSL_set_ssl_method(SSL
*s
, const SSL_METHOD
*meth
)
2555 if (s
->method
!= meth
) {
2556 if (s
->handshake_func
!= NULL
)
2557 conn
= (s
->handshake_func
== s
->method
->ssl_connect
);
2559 if (s
->method
->version
== meth
->version
)
2562 s
->method
->ssl_free(s
);
2564 ret
= s
->method
->ssl_new(s
);
2568 s
->handshake_func
= meth
->ssl_connect
;
2570 s
->handshake_func
= meth
->ssl_accept
;
2575 int SSL_get_error(const SSL
*s
, int i
)
2582 return (SSL_ERROR_NONE
);
2585 * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc,
2586 * where we do encode the error
2588 if ((l
= ERR_peek_error()) != 0) {
2589 if (ERR_GET_LIB(l
) == ERR_LIB_SYS
)
2590 return (SSL_ERROR_SYSCALL
);
2592 return (SSL_ERROR_SSL
);
2595 if ((i
< 0) && SSL_want_read(s
)) {
2596 bio
= SSL_get_rbio(s
);
2597 if (BIO_should_read(bio
))
2598 return (SSL_ERROR_WANT_READ
);
2599 else if (BIO_should_write(bio
))
2601 * This one doesn't make too much sense ... We never try to write
2602 * to the rbio, and an application program where rbio and wbio
2603 * are separate couldn't even know what it should wait for.
2604 * However if we ever set s->rwstate incorrectly (so that we have
2605 * SSL_want_read(s) instead of SSL_want_write(s)) and rbio and
2606 * wbio *are* the same, this test works around that bug; so it
2607 * might be safer to keep it.
2609 return (SSL_ERROR_WANT_WRITE
);
2610 else if (BIO_should_io_special(bio
)) {
2611 reason
= BIO_get_retry_reason(bio
);
2612 if (reason
== BIO_RR_CONNECT
)
2613 return (SSL_ERROR_WANT_CONNECT
);
2614 else if (reason
== BIO_RR_ACCEPT
)
2615 return (SSL_ERROR_WANT_ACCEPT
);
2617 return (SSL_ERROR_SYSCALL
); /* unknown */
2621 if ((i
< 0) && SSL_want_write(s
)) {
2622 bio
= SSL_get_wbio(s
);
2623 if (BIO_should_write(bio
))
2624 return (SSL_ERROR_WANT_WRITE
);
2625 else if (BIO_should_read(bio
))
2627 * See above (SSL_want_read(s) with BIO_should_write(bio))
2629 return (SSL_ERROR_WANT_READ
);
2630 else if (BIO_should_io_special(bio
)) {
2631 reason
= BIO_get_retry_reason(bio
);
2632 if (reason
== BIO_RR_CONNECT
)
2633 return (SSL_ERROR_WANT_CONNECT
);
2634 else if (reason
== BIO_RR_ACCEPT
)
2635 return (SSL_ERROR_WANT_ACCEPT
);
2637 return (SSL_ERROR_SYSCALL
);
2640 if ((i
< 0) && SSL_want_x509_lookup(s
)) {
2641 return (SSL_ERROR_WANT_X509_LOOKUP
);
2645 if ((s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) &&
2646 (s
->s3
->warn_alert
== SSL_AD_CLOSE_NOTIFY
))
2647 return (SSL_ERROR_ZERO_RETURN
);
2649 return (SSL_ERROR_SYSCALL
);
2652 int SSL_do_handshake(SSL
*s
)
2656 if (s
->handshake_func
== NULL
) {
2657 SSLerr(SSL_F_SSL_DO_HANDSHAKE
, SSL_R_CONNECTION_TYPE_NOT_SET
);
2661 s
->method
->ssl_renegotiate_check(s
);
2663 if (SSL_in_init(s
) || SSL_in_before(s
)) {
2664 ret
= s
->handshake_func(s
);
2670 * For the next 2 functions, SSL_clear() sets shutdown and so one of these
2671 * calls will reset it
2673 void SSL_set_accept_state(SSL
*s
)
2677 s
->state
= SSL_ST_ACCEPT
| SSL_ST_BEFORE
;
2678 s
->handshake_func
= s
->method
->ssl_accept
;
2679 /* clear the current cipher */
2680 ssl_clear_cipher_ctx(s
);
2681 ssl_clear_hash_ctx(&s
->read_hash
);
2682 ssl_clear_hash_ctx(&s
->write_hash
);
2685 void SSL_set_connect_state(SSL
*s
)
2689 s
->state
= SSL_ST_CONNECT
| SSL_ST_BEFORE
;
2690 s
->handshake_func
= s
->method
->ssl_connect
;
2691 /* clear the current cipher */
2692 ssl_clear_cipher_ctx(s
);
2693 ssl_clear_hash_ctx(&s
->read_hash
);
2694 ssl_clear_hash_ctx(&s
->write_hash
);
2697 int ssl_undefined_function(SSL
*s
)
2699 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2703 int ssl_undefined_void_function(void)
2705 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION
,
2706 ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2710 int ssl_undefined_const_function(const SSL
*s
)
2712 SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION
,
2713 ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2717 SSL_METHOD
*ssl_bad_method(int ver
)
2719 SSLerr(SSL_F_SSL_BAD_METHOD
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2723 const char *SSL_get_version(const SSL
*s
)
2725 if (s
->version
== TLS1_2_VERSION
)
2727 else if (s
->version
== TLS1_1_VERSION
)
2729 else if (s
->version
== TLS1_VERSION
)
2731 else if (s
->version
== SSL3_VERSION
)
2733 else if (s
->version
== DTLS1_BAD_VER
)
2734 return ("DTLSv0.9");
2735 else if (s
->version
== DTLS1_VERSION
)
2737 else if (s
->version
== DTLS1_2_VERSION
)
2738 return ("DTLSv1.2");
2743 SSL
*SSL_dup(SSL
*s
)
2745 STACK_OF(X509_NAME
) *sk
;
2750 if ((ret
= SSL_new(SSL_get_SSL_CTX(s
))) == NULL
)
2753 ret
->version
= s
->version
;
2754 ret
->type
= s
->type
;
2755 ret
->method
= s
->method
;
2757 if (s
->session
!= NULL
) {
2758 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2759 if (!SSL_copy_session_id(ret
, s
))
2763 * No session has been established yet, so we have to expect that
2764 * s->cert or ret->cert will be changed later -- they should not both
2765 * point to the same object, and thus we can't use
2766 * SSL_copy_session_id.
2769 ret
->method
->ssl_free(ret
);
2770 ret
->method
= s
->method
;
2771 ret
->method
->ssl_new(ret
);
2773 if (s
->cert
!= NULL
) {
2774 ssl_cert_free(ret
->cert
);
2775 ret
->cert
= ssl_cert_dup(s
->cert
);
2776 if (ret
->cert
== NULL
)
2780 if (!SSL_set_session_id_context(ret
, s
->sid_ctx
, s
->sid_ctx_length
))
2784 ret
->options
= s
->options
;
2785 ret
->mode
= s
->mode
;
2786 SSL_set_max_cert_list(ret
, SSL_get_max_cert_list(s
));
2787 SSL_set_read_ahead(ret
, SSL_get_read_ahead(s
));
2788 ret
->msg_callback
= s
->msg_callback
;
2789 ret
->msg_callback_arg
= s
->msg_callback_arg
;
2790 SSL_set_verify(ret
, SSL_get_verify_mode(s
), SSL_get_verify_callback(s
));
2791 SSL_set_verify_depth(ret
, SSL_get_verify_depth(s
));
2792 ret
->generate_session_id
= s
->generate_session_id
;
2794 SSL_set_info_callback(ret
, SSL_get_info_callback(s
));
2796 ret
->debug
= s
->debug
;
2798 /* copy app data, a little dangerous perhaps */
2799 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL
, &ret
->ex_data
, &s
->ex_data
))
2802 /* setup rbio, and wbio */
2803 if (s
->rbio
!= NULL
) {
2804 if (!BIO_dup_state(s
->rbio
, (char *)&ret
->rbio
))
2807 if (s
->wbio
!= NULL
) {
2808 if (s
->wbio
!= s
->rbio
) {
2809 if (!BIO_dup_state(s
->wbio
, (char *)&ret
->wbio
))
2812 ret
->wbio
= ret
->rbio
;
2814 ret
->rwstate
= s
->rwstate
;
2815 ret
->in_handshake
= s
->in_handshake
;
2816 ret
->handshake_func
= s
->handshake_func
;
2817 ret
->server
= s
->server
;
2818 ret
->renegotiate
= s
->renegotiate
;
2819 ret
->new_session
= s
->new_session
;
2820 ret
->quiet_shutdown
= s
->quiet_shutdown
;
2821 ret
->shutdown
= s
->shutdown
;
2822 ret
->state
= s
->state
; /* SSL_dup does not really work at any state,
2824 RECORD_LAYER_dup(&ret
->rlayer
, &s
->rlayer
);
2825 ret
->init_num
= 0; /* would have to copy ret->init_buf,
2826 * ret->init_msg, ret->init_num,
2830 X509_VERIFY_PARAM_inherit(ret
->param
, s
->param
);
2832 /* dup the cipher_list and cipher_list_by_id stacks */
2833 if (s
->cipher_list
!= NULL
) {
2834 if ((ret
->cipher_list
= sk_SSL_CIPHER_dup(s
->cipher_list
)) == NULL
)
2837 if (s
->cipher_list_by_id
!= NULL
)
2838 if ((ret
->cipher_list_by_id
= sk_SSL_CIPHER_dup(s
->cipher_list_by_id
))
2842 /* Dup the client_CA list */
2843 if (s
->client_CA
!= NULL
) {
2844 if ((sk
= sk_X509_NAME_dup(s
->client_CA
)) == NULL
)
2846 ret
->client_CA
= sk
;
2847 for (i
= 0; i
< sk_X509_NAME_num(sk
); i
++) {
2848 xn
= sk_X509_NAME_value(sk
, i
);
2849 if (sk_X509_NAME_set(sk
, i
, X509_NAME_dup(xn
)) == NULL
) {
2864 void ssl_clear_cipher_ctx(SSL
*s
)
2866 if (s
->enc_read_ctx
!= NULL
) {
2867 EVP_CIPHER_CTX_cleanup(s
->enc_read_ctx
);
2868 OPENSSL_free(s
->enc_read_ctx
);
2869 s
->enc_read_ctx
= NULL
;
2871 if (s
->enc_write_ctx
!= NULL
) {
2872 EVP_CIPHER_CTX_cleanup(s
->enc_write_ctx
);
2873 OPENSSL_free(s
->enc_write_ctx
);
2874 s
->enc_write_ctx
= NULL
;
2876 #ifndef OPENSSL_NO_COMP
2877 if (s
->expand
!= NULL
) {
2878 COMP_CTX_free(s
->expand
);
2881 if (s
->compress
!= NULL
) {
2882 COMP_CTX_free(s
->compress
);
2888 X509
*SSL_get_certificate(const SSL
*s
)
2890 if (s
->cert
!= NULL
)
2891 return (s
->cert
->key
->x509
);
2896 EVP_PKEY
*SSL_get_privatekey(const SSL
*s
)
2898 if (s
->cert
!= NULL
)
2899 return (s
->cert
->key
->privatekey
);
2904 X509
*SSL_CTX_get0_certificate(const SSL_CTX
*ctx
)
2906 if (ctx
->cert
!= NULL
)
2907 return ctx
->cert
->key
->x509
;
2912 EVP_PKEY
*SSL_CTX_get0_privatekey(const SSL_CTX
*ctx
)
2914 if (ctx
->cert
!= NULL
)
2915 return ctx
->cert
->key
->privatekey
;
2920 const SSL_CIPHER
*SSL_get_current_cipher(const SSL
*s
)
2922 if ((s
->session
!= NULL
) && (s
->session
->cipher
!= NULL
))
2923 return (s
->session
->cipher
);
2927 #ifdef OPENSSL_NO_COMP
2928 const void *SSL_get_current_compression(SSL
*s
)
2933 const void *SSL_get_current_expansion(SSL
*s
)
2939 const COMP_METHOD
*SSL_get_current_compression(SSL
*s
)
2941 if (s
->compress
!= NULL
)
2942 return (s
->compress
->meth
);
2946 const COMP_METHOD
*SSL_get_current_expansion(SSL
*s
)
2948 if (s
->expand
!= NULL
)
2949 return (s
->expand
->meth
);
2954 int ssl_init_wbio_buffer(SSL
*s
, int push
)
2958 if (s
->bbio
== NULL
) {
2959 bbio
= BIO_new(BIO_f_buffer());
2965 if (s
->bbio
== s
->wbio
)
2966 s
->wbio
= BIO_pop(s
->wbio
);
2968 (void)BIO_reset(bbio
);
2969 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
2970 if (!BIO_set_read_buffer_size(bbio
, 1)) {
2971 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER
, ERR_R_BUF_LIB
);
2975 if (s
->wbio
!= bbio
)
2976 s
->wbio
= BIO_push(bbio
, s
->wbio
);
2978 if (s
->wbio
== bbio
)
2979 s
->wbio
= BIO_pop(bbio
);
2984 void ssl_free_wbio_buffer(SSL
*s
)
2986 /* callers ensure s is never null */
2987 if (s
->bbio
== NULL
)
2990 if (s
->bbio
== s
->wbio
) {
2991 /* remove buffering */
2992 s
->wbio
= BIO_pop(s
->wbio
);
2993 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids
2994 * adding one more preprocessor symbol */
2995 assert(s
->wbio
!= NULL
);
3002 void SSL_CTX_set_quiet_shutdown(SSL_CTX
*ctx
, int mode
)
3004 ctx
->quiet_shutdown
= mode
;
3007 int SSL_CTX_get_quiet_shutdown(const SSL_CTX
*ctx
)
3009 return (ctx
->quiet_shutdown
);
3012 void SSL_set_quiet_shutdown(SSL
*s
, int mode
)
3014 s
->quiet_shutdown
= mode
;
3017 int SSL_get_quiet_shutdown(const SSL
*s
)
3019 return (s
->quiet_shutdown
);
3022 void SSL_set_shutdown(SSL
*s
, int mode
)
3027 int SSL_get_shutdown(const SSL
*s
)
3029 return (s
->shutdown
);
3032 int SSL_version(const SSL
*s
)
3034 return (s
->version
);
3037 SSL_CTX
*SSL_get_SSL_CTX(const SSL
*ssl
)
3042 SSL_CTX
*SSL_set_SSL_CTX(SSL
*ssl
, SSL_CTX
*ctx
)
3045 if (ssl
->ctx
== ctx
)
3047 #ifndef OPENSSL_NO_TLSEXT
3049 ctx
= ssl
->initial_ctx
;
3051 new_cert
= ssl_cert_dup(ctx
->cert
);
3052 if (new_cert
== NULL
) {
3055 /* Preserve any already negotiated parameters */
3057 new_cert
->peer_sigalgs
= ssl
->cert
->peer_sigalgs
;
3058 new_cert
->peer_sigalgslen
= ssl
->cert
->peer_sigalgslen
;
3059 ssl
->cert
->peer_sigalgs
= NULL
;
3060 new_cert
->ciphers_raw
= ssl
->cert
->ciphers_raw
;
3061 new_cert
->ciphers_rawlen
= ssl
->cert
->ciphers_rawlen
;
3062 ssl
->cert
->ciphers_raw
= NULL
;
3064 ssl_cert_free(ssl
->cert
);
3065 ssl
->cert
= new_cert
;
3068 * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH),
3069 * so setter APIs must prevent invalid lengths from entering the system.
3071 OPENSSL_assert(ssl
->sid_ctx_length
<= sizeof(ssl
->sid_ctx
));
3074 * If the session ID context matches that of the parent SSL_CTX,
3075 * inherit it from the new SSL_CTX as well. If however the context does
3076 * not match (i.e., it was set per-ssl with SSL_set_session_id_context),
3077 * leave it unchanged.
3079 if ((ssl
->ctx
!= NULL
) &&
3080 (ssl
->sid_ctx_length
== ssl
->ctx
->sid_ctx_length
) &&
3081 (memcmp(ssl
->sid_ctx
, ssl
->ctx
->sid_ctx
, ssl
->sid_ctx_length
) == 0)) {
3082 ssl
->sid_ctx_length
= ctx
->sid_ctx_length
;
3083 memcpy(&ssl
->sid_ctx
, &ctx
->sid_ctx
, sizeof(ssl
->sid_ctx
));
3086 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
3087 SSL_CTX_free(ssl
->ctx
); /* decrement reference count */
3093 #ifndef OPENSSL_NO_STDIO
3094 int SSL_CTX_set_default_verify_paths(SSL_CTX
*ctx
)
3096 return (X509_STORE_set_default_paths(ctx
->cert_store
));
3099 int SSL_CTX_load_verify_locations(SSL_CTX
*ctx
, const char *CAfile
,
3102 return (X509_STORE_load_locations(ctx
->cert_store
, CAfile
, CApath
));
3106 void SSL_set_info_callback(SSL
*ssl
,
3107 void (*cb
) (const SSL
*ssl
, int type
, int val
))
3109 ssl
->info_callback
= cb
;
3113 * One compiler (Diab DCC) doesn't like argument names in returned function
3116 void (*SSL_get_info_callback(const SSL
*ssl
)) (const SSL
* /* ssl */ ,
3119 return ssl
->info_callback
;
3122 int SSL_state(const SSL
*ssl
)
3124 return (ssl
->state
);
3127 void SSL_set_state(SSL
*ssl
, int state
)
3132 void SSL_set_verify_result(SSL
*ssl
, long arg
)
3134 ssl
->verify_result
= arg
;
3137 long SSL_get_verify_result(const SSL
*ssl
)
3139 return (ssl
->verify_result
);
3142 int SSL_get_ex_new_index(long argl
, void *argp
, CRYPTO_EX_new
*new_func
,
3143 CRYPTO_EX_dup
*dup_func
, CRYPTO_EX_free
*free_func
)
3145 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL
, argl
, argp
,
3146 new_func
, dup_func
, free_func
);
3149 int SSL_set_ex_data(SSL
*s
, int idx
, void *arg
)
3151 return (CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
));
3154 void *SSL_get_ex_data(const SSL
*s
, int idx
)
3156 return (CRYPTO_get_ex_data(&s
->ex_data
, idx
));
3159 int SSL_CTX_get_ex_new_index(long argl
, void *argp
, CRYPTO_EX_new
*new_func
,
3160 CRYPTO_EX_dup
*dup_func
,
3161 CRYPTO_EX_free
*free_func
)
3163 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX
, argl
, argp
,
3164 new_func
, dup_func
, free_func
);
3167 int SSL_CTX_set_ex_data(SSL_CTX
*s
, int idx
, void *arg
)
3169 return (CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
));
3172 void *SSL_CTX_get_ex_data(const SSL_CTX
*s
, int idx
)
3174 return (CRYPTO_get_ex_data(&s
->ex_data
, idx
));
3182 X509_STORE
*SSL_CTX_get_cert_store(const SSL_CTX
*ctx
)
3184 return (ctx
->cert_store
);
3187 void SSL_CTX_set_cert_store(SSL_CTX
*ctx
, X509_STORE
*store
)
3189 if (ctx
->cert_store
!= NULL
)
3190 X509_STORE_free(ctx
->cert_store
);
3191 ctx
->cert_store
= store
;
3194 int SSL_want(const SSL
*s
)
3196 return (s
->rwstate
);
3200 * \brief Set the callback for generating temporary RSA keys.
3201 * \param ctx the SSL context.
3202 * \param cb the callback
3205 #ifndef OPENSSL_NO_RSA
3206 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX
*ctx
, RSA
*(*cb
) (SSL
*ssl
,
3210 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_TMP_RSA_CB
, (void (*)(void))cb
);
3213 void SSL_set_tmp_rsa_callback(SSL
*ssl
, RSA
*(*cb
) (SSL
*ssl
,
3217 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_TMP_RSA_CB
, (void (*)(void))cb
);
3223 * \brief The RSA temporary key callback function.
3224 * \param ssl the SSL session.
3225 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
3226 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
3227 * of the required key in bits.
3228 * \return the temporary RSA key.
3229 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
3232 RSA
*cb(SSL
*ssl
, int is_export
, int keylength
)
3238 * \brief Set the callback for generating temporary DH keys.
3239 * \param ctx the SSL context.
3240 * \param dh the callback
3243 #ifndef OPENSSL_NO_DH
3244 void SSL_CTX_set_tmp_dh_callback(SSL_CTX
*ctx
,
3245 DH
*(*dh
) (SSL
*ssl
, int is_export
,
3248 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_TMP_DH_CB
, (void (*)(void))dh
);
3251 void SSL_set_tmp_dh_callback(SSL
*ssl
, DH
*(*dh
) (SSL
*ssl
, int is_export
,
3254 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_TMP_DH_CB
, (void (*)(void))dh
);
3258 #ifndef OPENSSL_NO_EC
3259 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX
*ctx
,
3260 EC_KEY
*(*ecdh
) (SSL
*ssl
, int is_export
,
3263 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_TMP_ECDH_CB
,
3264 (void (*)(void))ecdh
);
3267 void SSL_set_tmp_ecdh_callback(SSL
*ssl
,
3268 EC_KEY
*(*ecdh
) (SSL
*ssl
, int is_export
,
3271 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_TMP_ECDH_CB
, (void (*)(void))ecdh
);
3275 #ifndef OPENSSL_NO_PSK
3276 int SSL_CTX_use_psk_identity_hint(SSL_CTX
*ctx
, const char *identity_hint
)
3278 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
3279 SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT
,
3280 SSL_R_DATA_LENGTH_TOO_LONG
);
3283 if (ctx
->psk_identity_hint
!= NULL
)
3284 OPENSSL_free(ctx
->psk_identity_hint
);
3285 if (identity_hint
!= NULL
) {
3286 ctx
->psk_identity_hint
= BUF_strdup(identity_hint
);
3287 if (ctx
->psk_identity_hint
== NULL
)
3290 ctx
->psk_identity_hint
= NULL
;
3294 int SSL_use_psk_identity_hint(SSL
*s
, const char *identity_hint
)
3299 if (s
->session
== NULL
)
3300 return 1; /* session not created yet, ignored */
3302 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
3303 SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT
, SSL_R_DATA_LENGTH_TOO_LONG
);
3306 if (s
->session
->psk_identity_hint
!= NULL
)
3307 OPENSSL_free(s
->session
->psk_identity_hint
);
3308 if (identity_hint
!= NULL
) {
3309 s
->session
->psk_identity_hint
= BUF_strdup(identity_hint
);
3310 if (s
->session
->psk_identity_hint
== NULL
)
3313 s
->session
->psk_identity_hint
= NULL
;
3317 const char *SSL_get_psk_identity_hint(const SSL
*s
)
3319 if (s
== NULL
|| s
->session
== NULL
)
3321 return (s
->session
->psk_identity_hint
);
3324 const char *SSL_get_psk_identity(const SSL
*s
)
3326 if (s
== NULL
|| s
->session
== NULL
)
3328 return (s
->session
->psk_identity
);
3331 void SSL_set_psk_client_callback(SSL
*s
,
3332 unsigned int (*cb
) (SSL
*ssl
,
3341 s
->psk_client_callback
= cb
;
3344 void SSL_CTX_set_psk_client_callback(SSL_CTX
*ctx
,
3345 unsigned int (*cb
) (SSL
*ssl
,
3354 ctx
->psk_client_callback
= cb
;
3357 void SSL_set_psk_server_callback(SSL
*s
,
3358 unsigned int (*cb
) (SSL
*ssl
,
3359 const char *identity
,
3364 s
->psk_server_callback
= cb
;
3367 void SSL_CTX_set_psk_server_callback(SSL_CTX
*ctx
,
3368 unsigned int (*cb
) (SSL
*ssl
,
3369 const char *identity
,
3374 ctx
->psk_server_callback
= cb
;
3378 void SSL_CTX_set_msg_callback(SSL_CTX
*ctx
,
3379 void (*cb
) (int write_p
, int version
,
3380 int content_type
, const void *buf
,
3381 size_t len
, SSL
*ssl
, void *arg
))
3383 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3386 void SSL_set_msg_callback(SSL
*ssl
,
3387 void (*cb
) (int write_p
, int version
,
3388 int content_type
, const void *buf
,
3389 size_t len
, SSL
*ssl
, void *arg
))
3391 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3394 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX
*ctx
,
3395 int (*cb
) (SSL
*ssl
,
3399 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3400 (void (*)(void))cb
);
3403 void SSL_set_not_resumable_session_callback(SSL
*ssl
,
3404 int (*cb
) (SSL
*ssl
,
3405 int is_forward_secure
))
3407 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3408 (void (*)(void))cb
);
3412 * Allocates new EVP_MD_CTX and sets pointer to it into given pointer
3413 * vairable, freeing EVP_MD_CTX previously stored in that variable, if any.
3414 * If EVP_MD pointer is passed, initializes ctx with this md Returns newly
3418 EVP_MD_CTX
*ssl_replace_hash(EVP_MD_CTX
**hash
, const EVP_MD
*md
)
3420 ssl_clear_hash_ctx(hash
);
3421 *hash
= EVP_MD_CTX_create();
3423 EVP_DigestInit_ex(*hash
, md
, NULL
);
3427 void ssl_clear_hash_ctx(EVP_MD_CTX
**hash
)
3431 EVP_MD_CTX_destroy(*hash
);
3435 /* Retrieve handshake hashes */
3436 int ssl_handshake_hash(SSL
*s
, unsigned char *out
, int outlen
)
3438 unsigned char *p
= out
;
3443 EVP_MD_CTX_init(&ctx
);
3444 for (idx
= 0; ssl_get_handshake_digest(idx
, &mask
, &md
); idx
++) {
3445 if (mask
& ssl_get_algorithm2(s
)) {
3446 int hashsize
= EVP_MD_size(md
);
3447 EVP_MD_CTX
*hdgst
= s
->s3
->handshake_dgst
[idx
];
3448 if (!hdgst
|| hashsize
< 0 || hashsize
> outlen
)
3450 if (!EVP_MD_CTX_copy_ex(&ctx
, hdgst
))
3452 if (!EVP_DigestFinal_ex(&ctx
, p
, NULL
))
3460 EVP_MD_CTX_cleanup(&ctx
);
3464 void SSL_set_debug(SSL
*s
, int debug
)
3469 int SSL_cache_hit(SSL
*s
)
3474 int SSL_is_server(SSL
*s
)
3479 void SSL_set_security_level(SSL
*s
, int level
)
3481 s
->cert
->sec_level
= level
;
3484 int SSL_get_security_level(const SSL
*s
)
3486 return s
->cert
->sec_level
;
3489 void SSL_set_security_callback(SSL
*s
,
3490 int (*cb
) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3491 int bits
, int nid
, void *other
,
3494 s
->cert
->sec_cb
= cb
;
3497 int (*SSL_get_security_callback(const SSL
*s
)) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3499 void *other
, void *ex
) {
3500 return s
->cert
->sec_cb
;
3503 void SSL_set0_security_ex_data(SSL
*s
, void *ex
)
3505 s
->cert
->sec_ex
= ex
;
3508 void *SSL_get0_security_ex_data(const SSL
*s
)
3510 return s
->cert
->sec_ex
;
3513 void SSL_CTX_set_security_level(SSL_CTX
*ctx
, int level
)
3515 ctx
->cert
->sec_level
= level
;
3518 int SSL_CTX_get_security_level(const SSL_CTX
*ctx
)
3520 return ctx
->cert
->sec_level
;
3523 void SSL_CTX_set_security_callback(SSL_CTX
*ctx
,
3524 int (*cb
) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3525 int bits
, int nid
, void *other
,
3528 ctx
->cert
->sec_cb
= cb
;
3531 int (*SSL_CTX_get_security_callback(const SSL_CTX
*ctx
)) (SSL
*s
,
3537 return ctx
->cert
->sec_cb
;
3540 void SSL_CTX_set0_security_ex_data(SSL_CTX
*ctx
, void *ex
)
3542 ctx
->cert
->sec_ex
= ex
;
3545 void *SSL_CTX_get0_security_ex_data(const SSL_CTX
*ctx
)
3547 return ctx
->cert
->sec_ex
;
3550 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
, ssl_cipher_id
);