2 * ! \file ssl/ssl_lib.c \brief Version independent SSL functions.
4 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
7 * This package is an SSL implementation written
8 * by Eric Young (eay@cryptsoft.com).
9 * The implementation was written so as to conform with Netscapes SSL.
11 * This library is free for commercial and non-commercial use as long as
12 * the following conditions are aheared to. The following conditions
13 * apply to all code found in this distribution, be it the RC4, RSA,
14 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
15 * included with this distribution is covered by the same copyright terms
16 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
18 * Copyright remains Eric Young's, and as such any Copyright notices in
19 * the code are not to be removed.
20 * If this package is used in a product, Eric Young should be given attribution
21 * as the author of the parts of the library used.
22 * This can be in the form of a textual message at program startup or
23 * in documentation (online or textual) provided with the package.
25 * Redistribution and use in source and binary forms, with or without
26 * modification, are permitted provided that the following conditions
28 * 1. Redistributions of source code must retain the copyright
29 * notice, this list of conditions and the following disclaimer.
30 * 2. Redistributions in binary form must reproduce the above copyright
31 * notice, this list of conditions and the following disclaimer in the
32 * documentation and/or other materials provided with the distribution.
33 * 3. All advertising materials mentioning features or use of this software
34 * must display the following acknowledgement:
35 * "This product includes cryptographic software written by
36 * Eric Young (eay@cryptsoft.com)"
37 * The word 'cryptographic' can be left out if the rouines from the library
38 * being used are not cryptographic related :-).
39 * 4. If you include any Windows specific code (or a derivative thereof) from
40 * the apps directory (application code) you must include an acknowledgement:
41 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
43 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
46 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
49 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
52 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55 * The licence and distribution terms for any publically available version or
56 * derivative of this code cannot be changed. i.e. this code cannot simply be
57 * copied and put under another distribution licence
58 * [including the GNU Public Licence.]
60 /* ====================================================================
61 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
63 * Redistribution and use in source and binary forms, with or without
64 * modification, are permitted provided that the following conditions
67 * 1. Redistributions of source code must retain the above copyright
68 * notice, this list of conditions and the following disclaimer.
70 * 2. Redistributions in binary form must reproduce the above copyright
71 * notice, this list of conditions and the following disclaimer in
72 * the documentation and/or other materials provided with the
75 * 3. All advertising materials mentioning features or use of this
76 * software must display the following acknowledgment:
77 * "This product includes software developed by the OpenSSL Project
78 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
80 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
81 * endorse or promote products derived from this software without
82 * prior written permission. For written permission, please contact
83 * openssl-core@openssl.org.
85 * 5. Products derived from this software may not be called "OpenSSL"
86 * nor may "OpenSSL" appear in their names without prior written
87 * permission of the OpenSSL Project.
89 * 6. Redistributions of any form whatsoever must retain the following
91 * "This product includes software developed by the OpenSSL Project
92 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
94 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
95 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
96 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
97 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
98 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
99 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
100 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
101 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
102 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
103 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
104 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
105 * OF THE POSSIBILITY OF SUCH DAMAGE.
106 * ====================================================================
108 * This product includes cryptographic software written by Eric Young
109 * (eay@cryptsoft.com). This product includes software written by Tim
110 * Hudson (tjh@cryptsoft.com).
113 /* ====================================================================
114 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
115 * ECC cipher suite support in OpenSSL originally developed by
116 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
118 /* ====================================================================
119 * Copyright 2005 Nokia. All rights reserved.
121 * The portions of the attached software ("Contribution") is developed by
122 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
125 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
126 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
127 * support (see RFC 4279) to OpenSSL.
129 * No patent licenses or other rights except those expressly stated in
130 * the OpenSSL open source license shall be deemed granted or received
131 * expressly, by implication, estoppel, or otherwise.
133 * No assurances are provided by Nokia that the Contribution does not
134 * infringe the patent or other intellectual property rights of any third
135 * party or that the license provides you with all the necessary rights
136 * to make use of the Contribution.
138 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
139 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
140 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
141 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
149 #include "ssl_locl.h"
150 #include "kssl_lcl.h"
151 #include <openssl/objects.h>
152 #include <openssl/lhash.h>
153 #include <openssl/x509v3.h>
154 #include <openssl/rand.h>
155 #include <openssl/ocsp.h>
156 #ifndef OPENSSL_NO_DH
157 # include <openssl/dh.h>
159 #ifndef OPENSSL_NO_ENGINE
160 # include <openssl/engine.h>
163 const char *SSL_version_str
= OPENSSL_VERSION_TEXT
;
165 SSL3_ENC_METHOD ssl3_undef_enc_method
= {
167 * evil casts, but these functions are only called if there's a library
170 (int (*)(SSL
*, int))ssl_undefined_function
,
171 (int (*)(SSL
*, unsigned char *, int))ssl_undefined_function
,
172 ssl_undefined_function
,
173 (int (*)(SSL
*, unsigned char *, unsigned char *, int))
174 ssl_undefined_function
,
175 (int (*)(SSL
*, int))ssl_undefined_function
,
176 (int (*)(SSL
*, const char *, int, unsigned char *))
177 ssl_undefined_function
,
178 0, /* finish_mac_length */
179 (int (*)(SSL
*, int, unsigned char *))ssl_undefined_function
,
180 NULL
, /* client_finished_label */
181 0, /* client_finished_label_len */
182 NULL
, /* server_finished_label */
183 0, /* server_finished_label_len */
184 (int (*)(int))ssl_undefined_function
,
185 (int (*)(SSL
*, unsigned char *, size_t, const char *,
186 size_t, const unsigned char *, size_t,
187 int use_context
))ssl_undefined_function
,
190 int SSL_clear(SSL
*s
)
192 if (s
->method
== NULL
) {
193 SSLerr(SSL_F_SSL_CLEAR
, SSL_R_NO_METHOD_SPECIFIED
);
197 if (ssl_clear_bad_session(s
)) {
198 SSL_SESSION_free(s
->session
);
206 if (s
->renegotiate
) {
207 SSLerr(SSL_F_SSL_CLEAR
, ERR_R_INTERNAL_ERROR
);
213 s
->state
= SSL_ST_BEFORE
| ((s
->server
) ? SSL_ST_ACCEPT
: SSL_ST_CONNECT
);
215 s
->version
= s
->method
->version
;
216 s
->client_version
= s
->version
;
217 s
->rwstate
= SSL_NOTHING
;
218 s
->rstate
= SSL_ST_READ_HEADER
;
220 if (s
->init_buf
!= NULL
) {
221 BUF_MEM_free(s
->init_buf
);
225 ssl_clear_cipher_ctx(s
);
226 ssl_clear_hash_ctx(&s
->read_hash
);
227 ssl_clear_hash_ctx(&s
->write_hash
);
232 * Check to see if we were changed into a different method, if so, revert
233 * back if we are not doing session-id reuse.
235 if (!s
->in_handshake
&& (s
->session
== NULL
)
236 && (s
->method
!= s
->ctx
->method
)) {
237 s
->method
->ssl_free(s
);
238 s
->method
= s
->ctx
->method
;
239 if (!s
->method
->ssl_new(s
))
242 s
->method
->ssl_clear(s
);
244 RECORD_LAYER_clear(&s
->rlayer
);
249 /** Used to change an SSL_CTXs default SSL method type */
250 int SSL_CTX_set_ssl_version(SSL_CTX
*ctx
, const SSL_METHOD
*meth
)
252 STACK_OF(SSL_CIPHER
) *sk
;
256 sk
= ssl_create_cipher_list(ctx
->method
, &(ctx
->cipher_list
),
257 &(ctx
->cipher_list_by_id
),
258 SSL_DEFAULT_CIPHER_LIST
, ctx
->cert
);
259 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= 0)) {
260 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION
,
261 SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS
);
267 SSL
*SSL_new(SSL_CTX
*ctx
)
272 SSLerr(SSL_F_SSL_NEW
, SSL_R_NULL_SSL_CTX
);
275 if (ctx
->method
== NULL
) {
276 SSLerr(SSL_F_SSL_NEW
, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION
);
280 s
= (SSL
*)OPENSSL_malloc(sizeof(SSL
));
283 memset(s
, 0, sizeof(SSL
));
285 RECORD_LAYER_set_ssl(&s
->rlayer
, s
);
286 SSL3_RECORD_clear(RECORD_LAYER_get_rrec(&s
->rlayer
));
287 SSL3_RECORD_clear(RECORD_LAYER_get_wrec(&s
->rlayer
));
289 #ifndef OPENSSL_NO_KRB5
290 s
->kssl_ctx
= kssl_ctx_new();
291 #endif /* OPENSSL_NO_KRB5 */
293 s
->options
= ctx
->options
;
295 s
->max_cert_list
= ctx
->max_cert_list
;
298 * Earlier library versions used to copy the pointer to the CERT, not
299 * its contents; only when setting new parameters for the per-SSL
300 * copy, ssl_cert_new would be called (and the direct reference to
301 * the per-SSL_CTX settings would be lost, but those still were
302 * indirectly accessed for various purposes, and for that reason they
303 * used to be known as s->ctx->default_cert). Now we don't look at the
304 * SSL_CTX's CERT after having duplicated it once.
306 s
->cert
= ssl_cert_dup(ctx
->cert
);
310 RECORD_LAYER_set_read_ahead(&s
->rlayer
, ctx
->read_ahead
);
311 s
->msg_callback
= ctx
->msg_callback
;
312 s
->msg_callback_arg
= ctx
->msg_callback_arg
;
313 s
->verify_mode
= ctx
->verify_mode
;
314 s
->not_resumable_session_cb
= ctx
->not_resumable_session_cb
;
315 s
->sid_ctx_length
= ctx
->sid_ctx_length
;
316 OPENSSL_assert(s
->sid_ctx_length
<= sizeof s
->sid_ctx
);
317 memcpy(&s
->sid_ctx
, &ctx
->sid_ctx
, sizeof(s
->sid_ctx
));
318 s
->verify_callback
= ctx
->default_verify_callback
;
319 s
->generate_session_id
= ctx
->generate_session_id
;
321 s
->param
= X509_VERIFY_PARAM_new();
324 X509_VERIFY_PARAM_inherit(s
->param
, ctx
->param
);
325 s
->quiet_shutdown
= ctx
->quiet_shutdown
;
326 s
->max_send_fragment
= ctx
->max_send_fragment
;
328 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
330 #ifndef OPENSSL_NO_TLSEXT
331 s
->tlsext_debug_cb
= 0;
332 s
->tlsext_debug_arg
= NULL
;
333 s
->tlsext_ticket_expected
= 0;
334 s
->tlsext_status_type
= -1;
335 s
->tlsext_status_expected
= 0;
336 s
->tlsext_ocsp_ids
= NULL
;
337 s
->tlsext_ocsp_exts
= NULL
;
338 s
->tlsext_ocsp_resp
= NULL
;
339 s
->tlsext_ocsp_resplen
= -1;
340 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
341 s
->initial_ctx
= ctx
;
342 # ifndef OPENSSL_NO_EC
343 if (ctx
->tlsext_ecpointformatlist
) {
344 s
->tlsext_ecpointformatlist
=
345 BUF_memdup(ctx
->tlsext_ecpointformatlist
,
346 ctx
->tlsext_ecpointformatlist_length
);
347 if (!s
->tlsext_ecpointformatlist
)
349 s
->tlsext_ecpointformatlist_length
=
350 ctx
->tlsext_ecpointformatlist_length
;
352 if (ctx
->tlsext_ellipticcurvelist
) {
353 s
->tlsext_ellipticcurvelist
=
354 BUF_memdup(ctx
->tlsext_ellipticcurvelist
,
355 ctx
->tlsext_ellipticcurvelist_length
);
356 if (!s
->tlsext_ellipticcurvelist
)
358 s
->tlsext_ellipticcurvelist_length
=
359 ctx
->tlsext_ellipticcurvelist_length
;
362 # ifndef OPENSSL_NO_NEXTPROTONEG
363 s
->next_proto_negotiated
= NULL
;
366 if (s
->ctx
->alpn_client_proto_list
) {
367 s
->alpn_client_proto_list
=
368 OPENSSL_malloc(s
->ctx
->alpn_client_proto_list_len
);
369 if (s
->alpn_client_proto_list
== NULL
)
371 memcpy(s
->alpn_client_proto_list
, s
->ctx
->alpn_client_proto_list
,
372 s
->ctx
->alpn_client_proto_list_len
);
373 s
->alpn_client_proto_list_len
= s
->ctx
->alpn_client_proto_list_len
;
377 s
->verify_result
= X509_V_OK
;
379 s
->method
= ctx
->method
;
381 if (!s
->method
->ssl_new(s
))
385 s
->server
= (ctx
->method
->ssl_accept
== ssl_undefined_function
) ? 0 : 1;
390 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
392 #ifndef OPENSSL_NO_PSK
393 s
->psk_client_callback
= ctx
->psk_client_callback
;
394 s
->psk_server_callback
= ctx
->psk_server_callback
;
401 SSLerr(SSL_F_SSL_NEW
, ERR_R_MALLOC_FAILURE
);
405 int SSL_CTX_set_session_id_context(SSL_CTX
*ctx
, const unsigned char *sid_ctx
,
406 unsigned int sid_ctx_len
)
408 if (sid_ctx_len
> sizeof ctx
->sid_ctx
) {
409 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT
,
410 SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
413 ctx
->sid_ctx_length
= sid_ctx_len
;
414 memcpy(ctx
->sid_ctx
, sid_ctx
, sid_ctx_len
);
419 int SSL_set_session_id_context(SSL
*ssl
, const unsigned char *sid_ctx
,
420 unsigned int sid_ctx_len
)
422 if (sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
) {
423 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT
,
424 SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
427 ssl
->sid_ctx_length
= sid_ctx_len
;
428 memcpy(ssl
->sid_ctx
, sid_ctx
, sid_ctx_len
);
433 int SSL_CTX_set_generate_session_id(SSL_CTX
*ctx
, GEN_SESSION_CB cb
)
435 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX
);
436 ctx
->generate_session_id
= cb
;
437 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX
);
441 int SSL_set_generate_session_id(SSL
*ssl
, GEN_SESSION_CB cb
)
443 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
444 ssl
->generate_session_id
= cb
;
445 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
449 int SSL_has_matching_session_id(const SSL
*ssl
, const unsigned char *id
,
453 * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
454 * we can "construct" a session to give us the desired check - ie. to
455 * find if there's a session in the hash table that would conflict with
456 * any new session built out of this id/id_len and the ssl_version in use
461 if (id_len
> sizeof r
.session_id
)
464 r
.ssl_version
= ssl
->version
;
465 r
.session_id_length
= id_len
;
466 memcpy(r
.session_id
, id
, id_len
);
468 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX
);
469 p
= lh_SSL_SESSION_retrieve(ssl
->ctx
->sessions
, &r
);
470 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX
);
474 int SSL_CTX_set_purpose(SSL_CTX
*s
, int purpose
)
476 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
479 int SSL_set_purpose(SSL
*s
, int purpose
)
481 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
484 int SSL_CTX_set_trust(SSL_CTX
*s
, int trust
)
486 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
489 int SSL_set_trust(SSL
*s
, int trust
)
491 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
494 int SSL_CTX_set1_param(SSL_CTX
*ctx
, X509_VERIFY_PARAM
*vpm
)
496 return X509_VERIFY_PARAM_set1(ctx
->param
, vpm
);
499 int SSL_set1_param(SSL
*ssl
, X509_VERIFY_PARAM
*vpm
)
501 return X509_VERIFY_PARAM_set1(ssl
->param
, vpm
);
504 X509_VERIFY_PARAM
*SSL_CTX_get0_param(SSL_CTX
*ctx
)
509 X509_VERIFY_PARAM
*SSL_get0_param(SSL
*ssl
)
514 void SSL_certs_clear(SSL
*s
)
516 ssl_cert_clear_certs(s
->cert
);
519 void SSL_free(SSL
*s
)
526 i
= CRYPTO_add(&s
->references
, -1, CRYPTO_LOCK_SSL
);
534 fprintf(stderr
, "SSL_free, bad reference count\n");
540 X509_VERIFY_PARAM_free(s
->param
);
542 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
544 if (s
->bbio
!= NULL
) {
545 /* If the buffering BIO is in place, pop it off */
546 if (s
->bbio
== s
->wbio
) {
547 s
->wbio
= BIO_pop(s
->wbio
);
552 BIO_free_all(s
->rbio
);
553 if (s
->wbio
!= s
->rbio
)
554 BIO_free_all(s
->wbio
);
556 if (s
->init_buf
!= NULL
)
557 BUF_MEM_free(s
->init_buf
);
559 /* add extra stuff */
560 if (s
->cipher_list
!= NULL
)
561 sk_SSL_CIPHER_free(s
->cipher_list
);
562 if (s
->cipher_list_by_id
!= NULL
)
563 sk_SSL_CIPHER_free(s
->cipher_list_by_id
);
565 /* Make the next call work :-) */
566 if (s
->session
!= NULL
) {
567 ssl_clear_bad_session(s
);
568 SSL_SESSION_free(s
->session
);
571 ssl_clear_cipher_ctx(s
);
572 ssl_clear_hash_ctx(&s
->read_hash
);
573 ssl_clear_hash_ctx(&s
->write_hash
);
576 ssl_cert_free(s
->cert
);
577 /* Free up if allocated */
579 #ifndef OPENSSL_NO_TLSEXT
580 if (s
->tlsext_hostname
)
581 OPENSSL_free(s
->tlsext_hostname
);
583 SSL_CTX_free(s
->initial_ctx
);
584 # ifndef OPENSSL_NO_EC
585 if (s
->tlsext_ecpointformatlist
)
586 OPENSSL_free(s
->tlsext_ecpointformatlist
);
587 if (s
->tlsext_ellipticcurvelist
)
588 OPENSSL_free(s
->tlsext_ellipticcurvelist
);
589 # endif /* OPENSSL_NO_EC */
590 if (s
->tlsext_ocsp_exts
)
591 sk_X509_EXTENSION_pop_free(s
->tlsext_ocsp_exts
, X509_EXTENSION_free
);
592 if (s
->tlsext_ocsp_ids
)
593 sk_OCSP_RESPID_pop_free(s
->tlsext_ocsp_ids
, OCSP_RESPID_free
);
594 if (s
->tlsext_ocsp_resp
)
595 OPENSSL_free(s
->tlsext_ocsp_resp
);
596 if (s
->alpn_client_proto_list
)
597 OPENSSL_free(s
->alpn_client_proto_list
);
600 if (s
->client_CA
!= NULL
)
601 sk_X509_NAME_pop_free(s
->client_CA
, X509_NAME_free
);
603 if (s
->method
!= NULL
)
604 s
->method
->ssl_free(s
);
606 RECORD_LAYER_release(&s
->rlayer
);
609 SSL_CTX_free(s
->ctx
);
611 #ifndef OPENSSL_NO_KRB5
612 if (s
->kssl_ctx
!= NULL
)
613 kssl_ctx_free(s
->kssl_ctx
);
614 #endif /* OPENSSL_NO_KRB5 */
616 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
617 if (s
->next_proto_negotiated
)
618 OPENSSL_free(s
->next_proto_negotiated
);
621 #ifndef OPENSSL_NO_SRTP
622 if (s
->srtp_profiles
)
623 sk_SRTP_PROTECTION_PROFILE_free(s
->srtp_profiles
);
629 void SSL_set_rbio(SSL
*s
, BIO
*rbio
)
632 BIO_free_all(s
->rbio
);
636 void SSL_set_wbio(SSL
*s
, BIO
*wbio
)
639 * If the output buffering BIO is still in place, remove it
641 if (s
->bbio
!= NULL
) {
642 if (s
->wbio
== s
->bbio
) {
643 s
->wbio
= s
->wbio
->next_bio
;
644 s
->bbio
->next_bio
= NULL
;
647 if (s
->wbio
!= wbio
&& s
->rbio
!= s
->wbio
)
648 BIO_free_all(s
->wbio
);
652 void SSL_set_bio(SSL
*s
, BIO
*rbio
, BIO
*wbio
)
654 SSL_set_wbio(s
, wbio
);
655 SSL_set_rbio(s
, rbio
);
658 BIO
*SSL_get_rbio(const SSL
*s
)
663 BIO
*SSL_get_wbio(const SSL
*s
)
668 int SSL_get_fd(const SSL
*s
)
670 return (SSL_get_rfd(s
));
673 int SSL_get_rfd(const SSL
*s
)
679 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
685 int SSL_get_wfd(const SSL
*s
)
691 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
697 #ifndef OPENSSL_NO_SOCK
698 int SSL_set_fd(SSL
*s
, int fd
)
703 bio
= BIO_new(BIO_s_socket());
706 SSLerr(SSL_F_SSL_SET_FD
, ERR_R_BUF_LIB
);
709 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
710 SSL_set_bio(s
, bio
, bio
);
716 int SSL_set_wfd(SSL
*s
, int fd
)
721 if ((s
->rbio
== NULL
) || (BIO_method_type(s
->rbio
) != BIO_TYPE_SOCKET
)
722 || ((int)BIO_get_fd(s
->rbio
, NULL
) != fd
)) {
723 bio
= BIO_new(BIO_s_socket());
726 SSLerr(SSL_F_SSL_SET_WFD
, ERR_R_BUF_LIB
);
729 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
730 SSL_set_bio(s
, SSL_get_rbio(s
), bio
);
732 SSL_set_bio(s
, SSL_get_rbio(s
), SSL_get_rbio(s
));
738 int SSL_set_rfd(SSL
*s
, int fd
)
743 if ((s
->wbio
== NULL
) || (BIO_method_type(s
->wbio
) != BIO_TYPE_SOCKET
)
744 || ((int)BIO_get_fd(s
->wbio
, NULL
) != fd
)) {
745 bio
= BIO_new(BIO_s_socket());
748 SSLerr(SSL_F_SSL_SET_RFD
, ERR_R_BUF_LIB
);
751 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
752 SSL_set_bio(s
, bio
, SSL_get_wbio(s
));
754 SSL_set_bio(s
, SSL_get_wbio(s
), SSL_get_wbio(s
));
761 /* return length of latest Finished message we sent, copy to 'buf' */
762 size_t SSL_get_finished(const SSL
*s
, void *buf
, size_t count
)
767 ret
= s
->s3
->tmp
.finish_md_len
;
770 memcpy(buf
, s
->s3
->tmp
.finish_md
, count
);
775 /* return length of latest Finished message we expected, copy to 'buf' */
776 size_t SSL_get_peer_finished(const SSL
*s
, void *buf
, size_t count
)
781 ret
= s
->s3
->tmp
.peer_finish_md_len
;
784 memcpy(buf
, s
->s3
->tmp
.peer_finish_md
, count
);
789 int SSL_get_verify_mode(const SSL
*s
)
791 return (s
->verify_mode
);
794 int SSL_get_verify_depth(const SSL
*s
)
796 return X509_VERIFY_PARAM_get_depth(s
->param
);
799 int (*SSL_get_verify_callback(const SSL
*s
)) (int, X509_STORE_CTX
*) {
800 return (s
->verify_callback
);
803 int SSL_CTX_get_verify_mode(const SSL_CTX
*ctx
)
805 return (ctx
->verify_mode
);
808 int SSL_CTX_get_verify_depth(const SSL_CTX
*ctx
)
810 return X509_VERIFY_PARAM_get_depth(ctx
->param
);
813 int (*SSL_CTX_get_verify_callback(const SSL_CTX
*ctx
)) (int, X509_STORE_CTX
*) {
814 return (ctx
->default_verify_callback
);
817 void SSL_set_verify(SSL
*s
, int mode
,
818 int (*callback
) (int ok
, X509_STORE_CTX
*ctx
))
820 s
->verify_mode
= mode
;
821 if (callback
!= NULL
)
822 s
->verify_callback
= callback
;
825 void SSL_set_verify_depth(SSL
*s
, int depth
)
827 X509_VERIFY_PARAM_set_depth(s
->param
, depth
);
830 void SSL_set_read_ahead(SSL
*s
, int yes
)
832 RECORD_LAYER_set_read_ahead(&s
->rlayer
, yes
);
835 int SSL_get_read_ahead(const SSL
*s
)
837 return RECORD_LAYER_get_read_ahead(&s
->rlayer
);
840 int SSL_pending(const SSL
*s
)
843 * SSL_pending cannot work properly if read-ahead is enabled
844 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is
845 * impossible to fix since SSL_pending cannot report errors that may be
846 * observed while scanning the new data. (Note that SSL_pending() is
847 * often used as a boolean value, so we'd better not return -1.)
849 return (s
->method
->ssl_pending(s
));
852 X509
*SSL_get_peer_certificate(const SSL
*s
)
856 if ((s
== NULL
) || (s
->session
== NULL
))
859 r
= s
->session
->peer
;
864 CRYPTO_add(&r
->references
, 1, CRYPTO_LOCK_X509
);
869 STACK_OF(X509
) *SSL_get_peer_cert_chain(const SSL
*s
)
873 if ((s
== NULL
) || (s
->session
== NULL
)
874 || (s
->session
->sess_cert
== NULL
))
877 r
= s
->session
->sess_cert
->cert_chain
;
880 * If we are a client, cert_chain includes the peer's own certificate; if
881 * we are a server, it does not.
888 * Now in theory, since the calling process own 't' it should be safe to
889 * modify. We need to be able to read f without being hassled
891 int SSL_copy_session_id(SSL
*t
, const SSL
*f
)
893 /* Do we need to to SSL locking? */
894 if(!SSL_set_session(t
, SSL_get_session(f
))) {
899 * what if we are setup as SSLv2 but want to talk SSLv3 or vice-versa
901 if (t
->method
!= f
->method
) {
902 t
->method
->ssl_free(t
); /* cleanup current */
903 t
->method
= f
->method
; /* change method */
904 t
->method
->ssl_new(t
); /* setup new */
907 CRYPTO_add(&f
->cert
->references
, 1, CRYPTO_LOCK_SSL_CERT
);
908 ssl_cert_free(t
->cert
);
910 if(!SSL_set_session_id_context(t
, f
->sid_ctx
, f
->sid_ctx_length
)) {
917 /* Fix this so it checks all the valid key/cert options */
918 int SSL_CTX_check_private_key(const SSL_CTX
*ctx
)
921 (ctx
->cert
->key
->x509
== NULL
)) {
922 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,
923 SSL_R_NO_CERTIFICATE_ASSIGNED
);
926 if (ctx
->cert
->key
->privatekey
== NULL
) {
927 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,
928 SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
931 return (X509_check_private_key
932 (ctx
->cert
->key
->x509
, ctx
->cert
->key
->privatekey
));
935 /* Fix this function so that it takes an optional type parameter */
936 int SSL_check_private_key(const SSL
*ssl
)
939 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, ERR_R_PASSED_NULL_PARAMETER
);
942 if (ssl
->cert
->key
->x509
== NULL
) {
943 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, SSL_R_NO_CERTIFICATE_ASSIGNED
);
946 if (ssl
->cert
->key
->privatekey
== NULL
) {
947 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
950 return (X509_check_private_key(ssl
->cert
->key
->x509
,
951 ssl
->cert
->key
->privatekey
));
954 int SSL_accept(SSL
*s
)
956 if (s
->handshake_func
== 0)
957 /* Not properly initialized yet */
958 SSL_set_accept_state(s
);
960 return (s
->method
->ssl_accept(s
));
963 int SSL_connect(SSL
*s
)
965 if (s
->handshake_func
== 0)
966 /* Not properly initialized yet */
967 SSL_set_connect_state(s
);
969 return (s
->method
->ssl_connect(s
));
972 long SSL_get_default_timeout(const SSL
*s
)
974 return (s
->method
->get_timeout());
977 int SSL_read(SSL
*s
, void *buf
, int num
)
979 if (s
->handshake_func
== 0) {
980 SSLerr(SSL_F_SSL_READ
, SSL_R_UNINITIALIZED
);
984 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
985 s
->rwstate
= SSL_NOTHING
;
988 return (s
->method
->ssl_read(s
, buf
, num
));
991 int SSL_peek(SSL
*s
, void *buf
, int num
)
993 if (s
->handshake_func
== 0) {
994 SSLerr(SSL_F_SSL_PEEK
, SSL_R_UNINITIALIZED
);
998 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
1001 return (s
->method
->ssl_peek(s
, buf
, num
));
1004 int SSL_write(SSL
*s
, const void *buf
, int num
)
1006 if (s
->handshake_func
== 0) {
1007 SSLerr(SSL_F_SSL_WRITE
, SSL_R_UNINITIALIZED
);
1011 if (s
->shutdown
& SSL_SENT_SHUTDOWN
) {
1012 s
->rwstate
= SSL_NOTHING
;
1013 SSLerr(SSL_F_SSL_WRITE
, SSL_R_PROTOCOL_IS_SHUTDOWN
);
1016 return (s
->method
->ssl_write(s
, buf
, num
));
1019 int SSL_shutdown(SSL
*s
)
1022 * Note that this function behaves differently from what one might
1023 * expect. Return values are 0 for no success (yet), 1 for success; but
1024 * calling it once is usually not enough, even if blocking I/O is used
1025 * (see ssl3_shutdown).
1028 if (s
->handshake_func
== 0) {
1029 SSLerr(SSL_F_SSL_SHUTDOWN
, SSL_R_UNINITIALIZED
);
1033 if ((s
!= NULL
) && !SSL_in_init(s
))
1034 return (s
->method
->ssl_shutdown(s
));
1039 int SSL_renegotiate(SSL
*s
)
1041 if (s
->renegotiate
== 0)
1046 return (s
->method
->ssl_renegotiate(s
));
1049 int SSL_renegotiate_abbreviated(SSL
*s
)
1051 if (s
->renegotiate
== 0)
1056 return (s
->method
->ssl_renegotiate(s
));
1059 int SSL_renegotiate_pending(SSL
*s
)
1062 * becomes true when negotiation is requested; false again once a
1063 * handshake has finished
1065 return (s
->renegotiate
!= 0);
1068 long SSL_ctrl(SSL
*s
, int cmd
, long larg
, void *parg
)
1073 case SSL_CTRL_GET_READ_AHEAD
:
1074 return (RECORD_LAYER_get_read_ahead(&s
->rlayer
));
1075 case SSL_CTRL_SET_READ_AHEAD
:
1076 l
= RECORD_LAYER_get_read_ahead(&s
->rlayer
);
1077 RECORD_LAYER_set_read_ahead(&s
->rlayer
, larg
);
1080 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1081 s
->msg_callback_arg
= parg
;
1084 case SSL_CTRL_OPTIONS
:
1085 return (s
->options
|= larg
);
1086 case SSL_CTRL_CLEAR_OPTIONS
:
1087 return (s
->options
&= ~larg
);
1089 return (s
->mode
|= larg
);
1090 case SSL_CTRL_CLEAR_MODE
:
1091 return (s
->mode
&= ~larg
);
1092 case SSL_CTRL_GET_MAX_CERT_LIST
:
1093 return (s
->max_cert_list
);
1094 case SSL_CTRL_SET_MAX_CERT_LIST
:
1095 l
= s
->max_cert_list
;
1096 s
->max_cert_list
= larg
;
1098 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1099 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1101 s
->max_send_fragment
= larg
;
1103 case SSL_CTRL_GET_RI_SUPPORT
:
1105 return s
->s3
->send_connection_binding
;
1108 case SSL_CTRL_CERT_FLAGS
:
1109 return (s
->cert
->cert_flags
|= larg
);
1110 case SSL_CTRL_CLEAR_CERT_FLAGS
:
1111 return (s
->cert
->cert_flags
&= ~larg
);
1113 case SSL_CTRL_GET_RAW_CIPHERLIST
:
1115 if (s
->cert
->ciphers_raw
== NULL
)
1117 *(unsigned char **)parg
= s
->cert
->ciphers_raw
;
1118 return (int)s
->cert
->ciphers_rawlen
;
1120 return ssl_put_cipher_by_char(s
, NULL
, NULL
);
1121 case SSL_CTRL_GET_EXTMS_SUPPORT
:
1122 if (!s
->session
|| SSL_in_init(s
) || s
->in_handshake
)
1124 if (s
->session
->flags
& SSL_SESS_FLAG_EXTMS
)
1129 return (s
->method
->ssl_ctrl(s
, cmd
, larg
, parg
));
1133 long SSL_callback_ctrl(SSL
*s
, int cmd
, void (*fp
) (void))
1136 case SSL_CTRL_SET_MSG_CALLBACK
:
1137 s
->msg_callback
= (void (*)
1138 (int write_p
, int version
, int content_type
,
1139 const void *buf
, size_t len
, SSL
*ssl
,
1144 return (s
->method
->ssl_callback_ctrl(s
, cmd
, fp
));
1148 LHASH_OF(SSL_SESSION
) *SSL_CTX_sessions(SSL_CTX
*ctx
)
1150 return ctx
->sessions
;
1153 long SSL_CTX_ctrl(SSL_CTX
*ctx
, int cmd
, long larg
, void *parg
)
1156 /* For some cases with ctx == NULL perform syntax checks */
1159 #ifndef OPENSSL_NO_EC
1160 case SSL_CTRL_SET_CURVES_LIST
:
1161 return tls1_set_curves_list(NULL
, NULL
, parg
);
1163 case SSL_CTRL_SET_SIGALGS_LIST
:
1164 case SSL_CTRL_SET_CLIENT_SIGALGS_LIST
:
1165 return tls1_set_sigalgs_list(NULL
, parg
, 0);
1172 case SSL_CTRL_GET_READ_AHEAD
:
1173 return (ctx
->read_ahead
);
1174 case SSL_CTRL_SET_READ_AHEAD
:
1175 l
= ctx
->read_ahead
;
1176 ctx
->read_ahead
= larg
;
1179 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1180 ctx
->msg_callback_arg
= parg
;
1183 case SSL_CTRL_GET_MAX_CERT_LIST
:
1184 return (ctx
->max_cert_list
);
1185 case SSL_CTRL_SET_MAX_CERT_LIST
:
1186 l
= ctx
->max_cert_list
;
1187 ctx
->max_cert_list
= larg
;
1190 case SSL_CTRL_SET_SESS_CACHE_SIZE
:
1191 l
= ctx
->session_cache_size
;
1192 ctx
->session_cache_size
= larg
;
1194 case SSL_CTRL_GET_SESS_CACHE_SIZE
:
1195 return (ctx
->session_cache_size
);
1196 case SSL_CTRL_SET_SESS_CACHE_MODE
:
1197 l
= ctx
->session_cache_mode
;
1198 ctx
->session_cache_mode
= larg
;
1200 case SSL_CTRL_GET_SESS_CACHE_MODE
:
1201 return (ctx
->session_cache_mode
);
1203 case SSL_CTRL_SESS_NUMBER
:
1204 return (lh_SSL_SESSION_num_items(ctx
->sessions
));
1205 case SSL_CTRL_SESS_CONNECT
:
1206 return (ctx
->stats
.sess_connect
);
1207 case SSL_CTRL_SESS_CONNECT_GOOD
:
1208 return (ctx
->stats
.sess_connect_good
);
1209 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE
:
1210 return (ctx
->stats
.sess_connect_renegotiate
);
1211 case SSL_CTRL_SESS_ACCEPT
:
1212 return (ctx
->stats
.sess_accept
);
1213 case SSL_CTRL_SESS_ACCEPT_GOOD
:
1214 return (ctx
->stats
.sess_accept_good
);
1215 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE
:
1216 return (ctx
->stats
.sess_accept_renegotiate
);
1217 case SSL_CTRL_SESS_HIT
:
1218 return (ctx
->stats
.sess_hit
);
1219 case SSL_CTRL_SESS_CB_HIT
:
1220 return (ctx
->stats
.sess_cb_hit
);
1221 case SSL_CTRL_SESS_MISSES
:
1222 return (ctx
->stats
.sess_miss
);
1223 case SSL_CTRL_SESS_TIMEOUTS
:
1224 return (ctx
->stats
.sess_timeout
);
1225 case SSL_CTRL_SESS_CACHE_FULL
:
1226 return (ctx
->stats
.sess_cache_full
);
1227 case SSL_CTRL_OPTIONS
:
1228 return (ctx
->options
|= larg
);
1229 case SSL_CTRL_CLEAR_OPTIONS
:
1230 return (ctx
->options
&= ~larg
);
1232 return (ctx
->mode
|= larg
);
1233 case SSL_CTRL_CLEAR_MODE
:
1234 return (ctx
->mode
&= ~larg
);
1235 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1236 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1238 ctx
->max_send_fragment
= larg
;
1240 case SSL_CTRL_CERT_FLAGS
:
1241 return (ctx
->cert
->cert_flags
|= larg
);
1242 case SSL_CTRL_CLEAR_CERT_FLAGS
:
1243 return (ctx
->cert
->cert_flags
&= ~larg
);
1245 return (ctx
->method
->ssl_ctx_ctrl(ctx
, cmd
, larg
, parg
));
1249 long SSL_CTX_callback_ctrl(SSL_CTX
*ctx
, int cmd
, void (*fp
) (void))
1252 case SSL_CTRL_SET_MSG_CALLBACK
:
1253 ctx
->msg_callback
= (void (*)
1254 (int write_p
, int version
, int content_type
,
1255 const void *buf
, size_t len
, SSL
*ssl
,
1260 return (ctx
->method
->ssl_ctx_callback_ctrl(ctx
, cmd
, fp
));
1264 int ssl_cipher_id_cmp(const SSL_CIPHER
*a
, const SSL_CIPHER
*b
)
1272 return ((l
> 0) ? 1 : -1);
1275 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
*const *ap
,
1276 const SSL_CIPHER
*const *bp
)
1280 l
= (*ap
)->id
- (*bp
)->id
;
1284 return ((l
> 0) ? 1 : -1);
1287 /** return a STACK of the ciphers available for the SSL and in order of
1289 STACK_OF(SSL_CIPHER
) *SSL_get_ciphers(const SSL
*s
)
1292 if (s
->cipher_list
!= NULL
) {
1293 return (s
->cipher_list
);
1294 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list
!= NULL
)) {
1295 return (s
->ctx
->cipher_list
);
1301 STACK_OF(SSL_CIPHER
) *SSL_get1_supported_ciphers(SSL
*s
)
1303 STACK_OF(SSL_CIPHER
) *sk
= NULL
, *ciphers
;
1305 ciphers
= SSL_get_ciphers(s
);
1308 ssl_set_client_disabled(s
);
1309 for (i
= 0; i
< sk_SSL_CIPHER_num(ciphers
); i
++) {
1310 const SSL_CIPHER
*c
= sk_SSL_CIPHER_value(ciphers
, i
);
1311 if (!ssl_cipher_disabled(s
, c
, SSL_SECOP_CIPHER_SUPPORTED
)) {
1313 sk
= sk_SSL_CIPHER_new_null();
1316 if (!sk_SSL_CIPHER_push(sk
, c
)) {
1317 sk_SSL_CIPHER_free(sk
);
1325 /** return a STACK of the ciphers available for the SSL and in order of
1327 STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL
*s
)
1330 if (s
->cipher_list_by_id
!= NULL
) {
1331 return (s
->cipher_list_by_id
);
1332 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list_by_id
!= NULL
)) {
1333 return (s
->ctx
->cipher_list_by_id
);
1339 /** The old interface to get the same thing as SSL_get_ciphers() */
1340 const char *SSL_get_cipher_list(const SSL
*s
, int n
)
1343 STACK_OF(SSL_CIPHER
) *sk
;
1347 sk
= SSL_get_ciphers(s
);
1348 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= n
))
1350 c
= sk_SSL_CIPHER_value(sk
, n
);
1356 /** specify the ciphers to be used by default by the SSL_CTX */
1357 int SSL_CTX_set_cipher_list(SSL_CTX
*ctx
, const char *str
)
1359 STACK_OF(SSL_CIPHER
) *sk
;
1361 sk
= ssl_create_cipher_list(ctx
->method
, &ctx
->cipher_list
,
1362 &ctx
->cipher_list_by_id
, str
, ctx
->cert
);
1364 * ssl_create_cipher_list may return an empty stack if it was unable to
1365 * find a cipher matching the given rule string (for example if the rule
1366 * string specifies a cipher which has been disabled). This is not an
1367 * error as far as ssl_create_cipher_list is concerned, and hence
1368 * ctx->cipher_list and ctx->cipher_list_by_id has been updated.
1372 else if (sk_SSL_CIPHER_num(sk
) == 0) {
1373 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1379 /** specify the ciphers to be used by the SSL */
1380 int SSL_set_cipher_list(SSL
*s
, const char *str
)
1382 STACK_OF(SSL_CIPHER
) *sk
;
1384 sk
= ssl_create_cipher_list(s
->ctx
->method
, &s
->cipher_list
,
1385 &s
->cipher_list_by_id
, str
, s
->cert
);
1386 /* see comment in SSL_CTX_set_cipher_list */
1389 else if (sk_SSL_CIPHER_num(sk
) == 0) {
1390 SSLerr(SSL_F_SSL_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1396 /* works well for SSLv2, not so good for SSLv3 */
1397 char *SSL_get_shared_ciphers(const SSL
*s
, char *buf
, int len
)
1400 STACK_OF(SSL_CIPHER
) *sk
;
1404 if ((s
->session
== NULL
) || (s
->session
->ciphers
== NULL
) || (len
< 2))
1408 sk
= s
->session
->ciphers
;
1410 if (sk_SSL_CIPHER_num(sk
) == 0)
1413 for (i
= 0; i
< sk_SSL_CIPHER_num(sk
); i
++) {
1416 c
= sk_SSL_CIPHER_value(sk
, i
);
1417 n
= strlen(c
->name
);
1433 int ssl_cipher_list_to_bytes(SSL
*s
, STACK_OF(SSL_CIPHER
) *sk
,
1435 int (*put_cb
) (const SSL_CIPHER
*,
1441 int empty_reneg_info_scsv
= !s
->renegotiate
;
1442 /* Set disabled masks for this session */
1443 ssl_set_client_disabled(s
);
1449 put_cb
= s
->method
->put_cipher_by_char
;
1451 for (i
= 0; i
< sk_SSL_CIPHER_num(sk
); i
++) {
1452 c
= sk_SSL_CIPHER_value(sk
, i
);
1453 /* Skip disabled ciphers */
1454 if (ssl_cipher_disabled(s
, c
, SSL_SECOP_CIPHER_SUPPORTED
))
1456 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1457 if (c
->id
== SSL3_CK_SCSV
) {
1458 if (!empty_reneg_info_scsv
)
1461 empty_reneg_info_scsv
= 0;
1468 * If p == q, no ciphers; caller indicates an error. Otherwise, add
1472 if (empty_reneg_info_scsv
) {
1473 static SSL_CIPHER scsv
= {
1474 0, NULL
, SSL3_CK_SCSV
, 0, 0, 0, 0, 0, 0, 0, 0, 0
1476 j
= put_cb(&scsv
, p
);
1478 #ifdef OPENSSL_RI_DEBUG
1480 "TLS_EMPTY_RENEGOTIATION_INFO_SCSV sent by client\n");
1483 if (s
->mode
& SSL_MODE_SEND_FALLBACK_SCSV
) {
1484 static SSL_CIPHER scsv
= {
1485 0, NULL
, SSL3_CK_FALLBACK_SCSV
, 0, 0, 0, 0, 0, 0, 0, 0, 0
1487 j
= put_cb(&scsv
, p
);
1495 STACK_OF(SSL_CIPHER
) *ssl_bytes_to_cipher_list(SSL
*s
, unsigned char *p
,
1497 STACK_OF(SSL_CIPHER
) **skp
)
1499 const SSL_CIPHER
*c
;
1500 STACK_OF(SSL_CIPHER
) *sk
;
1504 s
->s3
->send_connection_binding
= 0;
1506 n
= ssl_put_cipher_by_char(s
, NULL
, NULL
);
1507 if (n
== 0 || (num
% n
) != 0) {
1508 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,
1509 SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
1512 if ((skp
== NULL
) || (*skp
== NULL
))
1513 sk
= sk_SSL_CIPHER_new_null(); /* change perhaps later */
1516 sk_SSL_CIPHER_zero(sk
);
1519 if (s
->cert
->ciphers_raw
)
1520 OPENSSL_free(s
->cert
->ciphers_raw
);
1521 s
->cert
->ciphers_raw
= BUF_memdup(p
, num
);
1522 if (s
->cert
->ciphers_raw
== NULL
) {
1523 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1526 s
->cert
->ciphers_rawlen
= (size_t)num
;
1528 for (i
= 0; i
< num
; i
+= n
) {
1529 /* Check for TLS_EMPTY_RENEGOTIATION_INFO_SCSV */
1530 if (s
->s3
&& (n
!= 3 || !p
[0]) &&
1531 (p
[n
- 2] == ((SSL3_CK_SCSV
>> 8) & 0xff)) &&
1532 (p
[n
- 1] == (SSL3_CK_SCSV
& 0xff))) {
1533 /* SCSV fatal if renegotiating */
1534 if (s
->renegotiate
) {
1535 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,
1536 SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING
);
1537 ssl3_send_alert(s
, SSL3_AL_FATAL
, SSL_AD_HANDSHAKE_FAILURE
);
1540 s
->s3
->send_connection_binding
= 1;
1542 #ifdef OPENSSL_RI_DEBUG
1543 fprintf(stderr
, "SCSV received by server\n");
1548 /* Check for TLS_FALLBACK_SCSV */
1549 if ((n
!= 3 || !p
[0]) &&
1550 (p
[n
- 2] == ((SSL3_CK_FALLBACK_SCSV
>> 8) & 0xff)) &&
1551 (p
[n
- 1] == (SSL3_CK_FALLBACK_SCSV
& 0xff))) {
1553 * The SCSV indicates that the client previously tried a higher
1554 * version. Fail if the current version is an unexpected
1557 if (!SSL_ctrl(s
, SSL_CTRL_CHECK_PROTO_VERSION
, 0, NULL
)) {
1558 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,
1559 SSL_R_INAPPROPRIATE_FALLBACK
);
1561 ssl3_send_alert(s
, SSL3_AL_FATAL
,
1562 SSL_AD_INAPPROPRIATE_FALLBACK
);
1569 c
= ssl_get_cipher_by_char(s
, p
);
1572 if (!sk_SSL_CIPHER_push(sk
, c
)) {
1573 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1583 if ((skp
== NULL
) || (*skp
== NULL
))
1584 sk_SSL_CIPHER_free(sk
);
1588 #ifndef OPENSSL_NO_TLSEXT
1589 /** return a servername extension value if provided in Client Hello, or NULL.
1590 * So far, only host_name types are defined (RFC 3546).
1593 const char *SSL_get_servername(const SSL
*s
, const int type
)
1595 if (type
!= TLSEXT_NAMETYPE_host_name
)
1598 return s
->session
&& !s
->tlsext_hostname
?
1599 s
->session
->tlsext_hostname
: s
->tlsext_hostname
;
1602 int SSL_get_servername_type(const SSL
*s
)
1605 && (!s
->tlsext_hostname
? s
->session
->
1606 tlsext_hostname
: s
->tlsext_hostname
))
1607 return TLSEXT_NAMETYPE_host_name
;
1612 * SSL_select_next_proto implements the standard protocol selection. It is
1613 * expected that this function is called from the callback set by
1614 * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a
1615 * vector of 8-bit, length prefixed byte strings. The length byte itself is
1616 * not included in the length. A byte string of length 0 is invalid. No byte
1617 * string may be truncated. The current, but experimental algorithm for
1618 * selecting the protocol is: 1) If the server doesn't support NPN then this
1619 * is indicated to the callback. In this case, the client application has to
1620 * abort the connection or have a default application level protocol. 2) If
1621 * the server supports NPN, but advertises an empty list then the client
1622 * selects the first protcol in its list, but indicates via the API that this
1623 * fallback case was enacted. 3) Otherwise, the client finds the first
1624 * protocol in the server's list that it supports and selects this protocol.
1625 * This is because it's assumed that the server has better information about
1626 * which protocol a client should use. 4) If the client doesn't support any
1627 * of the server's advertised protocols, then this is treated the same as
1628 * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was
1629 * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
1631 int SSL_select_next_proto(unsigned char **out
, unsigned char *outlen
,
1632 const unsigned char *server
,
1633 unsigned int server_len
,
1634 const unsigned char *client
,
1635 unsigned int client_len
)
1638 const unsigned char *result
;
1639 int status
= OPENSSL_NPN_UNSUPPORTED
;
1642 * For each protocol in server preference order, see if we support it.
1644 for (i
= 0; i
< server_len
;) {
1645 for (j
= 0; j
< client_len
;) {
1646 if (server
[i
] == client
[j
] &&
1647 memcmp(&server
[i
+ 1], &client
[j
+ 1], server
[i
]) == 0) {
1648 /* We found a match */
1649 result
= &server
[i
];
1650 status
= OPENSSL_NPN_NEGOTIATED
;
1660 /* There's no overlap between our protocols and the server's list. */
1662 status
= OPENSSL_NPN_NO_OVERLAP
;
1665 *out
= (unsigned char *)result
+ 1;
1666 *outlen
= result
[0];
1670 # ifndef OPENSSL_NO_NEXTPROTONEG
1672 * SSL_get0_next_proto_negotiated sets *data and *len to point to the
1673 * client's requested protocol for this connection and returns 0. If the
1674 * client didn't request any protocol, then *data is set to NULL. Note that
1675 * the client can request any protocol it chooses. The value returned from
1676 * this function need not be a member of the list of supported protocols
1677 * provided by the callback.
1679 void SSL_get0_next_proto_negotiated(const SSL
*s
, const unsigned char **data
,
1682 *data
= s
->next_proto_negotiated
;
1686 *len
= s
->next_proto_negotiated_len
;
1691 * SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when
1692 * a TLS server needs a list of supported protocols for Next Protocol
1693 * Negotiation. The returned list must be in wire format. The list is
1694 * returned by setting |out| to point to it and |outlen| to its length. This
1695 * memory will not be modified, but one should assume that the SSL* keeps a
1696 * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it
1697 * wishes to advertise. Otherwise, no such extension will be included in the
1700 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX
*ctx
,
1701 int (*cb
) (SSL
*ssl
,
1704 unsigned int *outlen
,
1705 void *arg
), void *arg
)
1707 ctx
->next_protos_advertised_cb
= cb
;
1708 ctx
->next_protos_advertised_cb_arg
= arg
;
1712 * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
1713 * client needs to select a protocol from the server's provided list. |out|
1714 * must be set to point to the selected protocol (which may be within |in|).
1715 * The length of the protocol name must be written into |outlen|. The
1716 * server's advertised protocols are provided in |in| and |inlen|. The
1717 * callback can assume that |in| is syntactically valid. The client must
1718 * select a protocol. It is fatal to the connection if this callback returns
1719 * a value other than SSL_TLSEXT_ERR_OK.
1721 void SSL_CTX_set_next_proto_select_cb(SSL_CTX
*ctx
,
1722 int (*cb
) (SSL
*s
, unsigned char **out
,
1723 unsigned char *outlen
,
1724 const unsigned char *in
,
1726 void *arg
), void *arg
)
1728 ctx
->next_proto_select_cb
= cb
;
1729 ctx
->next_proto_select_cb_arg
= arg
;
1734 * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|.
1735 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1736 * length-prefixed strings). Returns 0 on success.
1738 int SSL_CTX_set_alpn_protos(SSL_CTX
*ctx
, const unsigned char *protos
,
1739 unsigned protos_len
)
1741 if (ctx
->alpn_client_proto_list
)
1742 OPENSSL_free(ctx
->alpn_client_proto_list
);
1744 ctx
->alpn_client_proto_list
= OPENSSL_malloc(protos_len
);
1745 if (!ctx
->alpn_client_proto_list
)
1747 memcpy(ctx
->alpn_client_proto_list
, protos
, protos_len
);
1748 ctx
->alpn_client_proto_list_len
= protos_len
;
1754 * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|.
1755 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1756 * length-prefixed strings). Returns 0 on success.
1758 int SSL_set_alpn_protos(SSL
*ssl
, const unsigned char *protos
,
1759 unsigned protos_len
)
1761 if (ssl
->alpn_client_proto_list
)
1762 OPENSSL_free(ssl
->alpn_client_proto_list
);
1764 ssl
->alpn_client_proto_list
= OPENSSL_malloc(protos_len
);
1765 if (!ssl
->alpn_client_proto_list
)
1767 memcpy(ssl
->alpn_client_proto_list
, protos
, protos_len
);
1768 ssl
->alpn_client_proto_list_len
= protos_len
;
1774 * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is
1775 * called during ClientHello processing in order to select an ALPN protocol
1776 * from the client's list of offered protocols.
1778 void SSL_CTX_set_alpn_select_cb(SSL_CTX
*ctx
,
1779 int (*cb
) (SSL
*ssl
,
1780 const unsigned char **out
,
1781 unsigned char *outlen
,
1782 const unsigned char *in
,
1784 void *arg
), void *arg
)
1786 ctx
->alpn_select_cb
= cb
;
1787 ctx
->alpn_select_cb_arg
= arg
;
1791 * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from
1792 * |ssl|. On return it sets |*data| to point to |*len| bytes of protocol name
1793 * (not including the leading length-prefix byte). If the server didn't
1794 * respond with a negotiated protocol then |*len| will be zero.
1796 void SSL_get0_alpn_selected(const SSL
*ssl
, const unsigned char **data
,
1801 *data
= ssl
->s3
->alpn_selected
;
1805 *len
= ssl
->s3
->alpn_selected_len
;
1808 #endif /* !OPENSSL_NO_TLSEXT */
1810 int SSL_export_keying_material(SSL
*s
, unsigned char *out
, size_t olen
,
1811 const char *label
, size_t llen
,
1812 const unsigned char *p
, size_t plen
,
1815 if (s
->version
< TLS1_VERSION
)
1818 return s
->method
->ssl3_enc
->export_keying_material(s
, out
, olen
, label
,
1823 static unsigned long ssl_session_hash(const SSL_SESSION
*a
)
1828 ((unsigned int)a
->session_id
[0]) |
1829 ((unsigned int)a
->session_id
[1] << 8L) |
1830 ((unsigned long)a
->session_id
[2] << 16L) |
1831 ((unsigned long)a
->session_id
[3] << 24L);
1836 * NB: If this function (or indeed the hash function which uses a sort of
1837 * coarser function than this one) is changed, ensure
1838 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on
1839 * being able to construct an SSL_SESSION that will collide with any existing
1840 * session with a matching session ID.
1842 static int ssl_session_cmp(const SSL_SESSION
*a
, const SSL_SESSION
*b
)
1844 if (a
->ssl_version
!= b
->ssl_version
)
1846 if (a
->session_id_length
!= b
->session_id_length
)
1848 return (memcmp(a
->session_id
, b
->session_id
, a
->session_id_length
));
1852 * These wrapper functions should remain rather than redeclaring
1853 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1854 * variable. The reason is that the functions aren't static, they're exposed
1857 static IMPLEMENT_LHASH_HASH_FN(ssl_session
, SSL_SESSION
)
1858 static IMPLEMENT_LHASH_COMP_FN(ssl_session
, SSL_SESSION
)
1860 SSL_CTX
*SSL_CTX_new(const SSL_METHOD
*meth
)
1862 SSL_CTX
*ret
= NULL
;
1865 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_NULL_SSL_METHOD_PASSED
);
1869 if (FIPS_mode() && (meth
->version
< TLS1_VERSION
)) {
1870 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE
);
1874 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
1875 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS
);
1878 ret
= (SSL_CTX
*)OPENSSL_malloc(sizeof(SSL_CTX
));
1882 memset(ret
, 0, sizeof(SSL_CTX
));
1886 ret
->cert_store
= NULL
;
1887 ret
->session_cache_mode
= SSL_SESS_CACHE_SERVER
;
1888 ret
->session_cache_size
= SSL_SESSION_CACHE_MAX_SIZE_DEFAULT
;
1889 ret
->session_cache_head
= NULL
;
1890 ret
->session_cache_tail
= NULL
;
1892 /* We take the system default */
1893 ret
->session_timeout
= meth
->get_timeout();
1895 ret
->new_session_cb
= 0;
1896 ret
->remove_session_cb
= 0;
1897 ret
->get_session_cb
= 0;
1898 ret
->generate_session_id
= 0;
1900 memset((char *)&ret
->stats
, 0, sizeof(ret
->stats
));
1902 ret
->references
= 1;
1903 ret
->quiet_shutdown
= 0;
1904 ret
->info_callback
= NULL
;
1905 ret
->app_verify_callback
= 0;
1906 ret
->app_verify_arg
= NULL
;
1907 ret
->max_cert_list
= SSL_MAX_CERT_LIST_DEFAULT
;
1908 ret
->read_ahead
= 0;
1909 ret
->msg_callback
= 0;
1910 ret
->msg_callback_arg
= NULL
;
1911 ret
->verify_mode
= SSL_VERIFY_NONE
;
1912 ret
->sid_ctx_length
= 0;
1913 ret
->default_verify_callback
= NULL
;
1914 if ((ret
->cert
= ssl_cert_new()) == NULL
)
1917 ret
->default_passwd_callback
= 0;
1918 ret
->default_passwd_callback_userdata
= NULL
;
1919 ret
->client_cert_cb
= 0;
1920 ret
->app_gen_cookie_cb
= 0;
1921 ret
->app_verify_cookie_cb
= 0;
1923 ret
->sessions
= lh_SSL_SESSION_new();
1924 if (ret
->sessions
== NULL
)
1926 ret
->cert_store
= X509_STORE_new();
1927 if (ret
->cert_store
== NULL
)
1930 if(!ssl_create_cipher_list(ret
->method
,
1931 &ret
->cipher_list
, &ret
->cipher_list_by_id
,
1932 SSL_DEFAULT_CIPHER_LIST
, ret
->cert
)
1933 || sk_SSL_CIPHER_num(ret
->cipher_list
) <= 0) {
1934 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_LIBRARY_HAS_NO_CIPHERS
);
1938 ret
->param
= X509_VERIFY_PARAM_new();
1942 if ((ret
->md5
= EVP_get_digestbyname("ssl3-md5")) == NULL
) {
1943 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES
);
1946 if ((ret
->sha1
= EVP_get_digestbyname("ssl3-sha1")) == NULL
) {
1947 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES
);
1951 if ((ret
->client_CA
= sk_X509_NAME_new_null()) == NULL
)
1954 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, ret
, &ret
->ex_data
);
1956 ret
->extra_certs
= NULL
;
1957 /* No compression for DTLS */
1958 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
))
1959 ret
->comp_methods
= SSL_COMP_get_compression_methods();
1961 ret
->max_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
1963 #ifndef OPENSSL_NO_TLSEXT
1964 ret
->tlsext_servername_callback
= 0;
1965 ret
->tlsext_servername_arg
= NULL
;
1966 /* Setup RFC4507 ticket keys */
1967 if ((RAND_bytes(ret
->tlsext_tick_key_name
, 16) <= 0)
1968 || (RAND_bytes(ret
->tlsext_tick_hmac_key
, 16) <= 0)
1969 || (RAND_bytes(ret
->tlsext_tick_aes_key
, 16) <= 0))
1970 ret
->options
|= SSL_OP_NO_TICKET
;
1972 ret
->tlsext_status_cb
= 0;
1973 ret
->tlsext_status_arg
= NULL
;
1975 # ifndef OPENSSL_NO_NEXTPROTONEG
1976 ret
->next_protos_advertised_cb
= 0;
1977 ret
->next_proto_select_cb
= 0;
1980 #ifndef OPENSSL_NO_PSK
1981 ret
->psk_identity_hint
= NULL
;
1982 ret
->psk_client_callback
= NULL
;
1983 ret
->psk_server_callback
= NULL
;
1985 #ifndef OPENSSL_NO_SRP
1986 if(!SSL_CTX_SRP_CTX_init(ret
))
1989 #ifndef OPENSSL_NO_ENGINE
1990 ret
->client_cert_engine
= NULL
;
1991 # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
1992 # define eng_strx(x) #x
1993 # define eng_str(x) eng_strx(x)
1994 /* Use specific client engine automatically... ignore errors */
1997 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
2000 ENGINE_load_builtin_engines();
2001 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
2003 if (!eng
|| !SSL_CTX_set_client_cert_engine(ret
, eng
))
2009 * Default is to connect to non-RI servers. When RI is more widely
2010 * deployed might change this.
2012 ret
->options
|= SSL_OP_LEGACY_SERVER_CONNECT
;
2016 SSLerr(SSL_F_SSL_CTX_NEW
, ERR_R_MALLOC_FAILURE
);
2023 void SSL_CTX_free(SSL_CTX
*a
)
2030 i
= CRYPTO_add(&a
->references
, -1, CRYPTO_LOCK_SSL_CTX
);
2032 REF_PRINT("SSL_CTX", a
);
2038 fprintf(stderr
, "SSL_CTX_free, bad reference count\n");
2044 X509_VERIFY_PARAM_free(a
->param
);
2047 * Free internal session cache. However: the remove_cb() may reference
2048 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
2049 * after the sessions were flushed.
2050 * As the ex_data handling routines might also touch the session cache,
2051 * the most secure solution seems to be: empty (flush) the cache, then
2052 * free ex_data, then finally free the cache.
2053 * (See ticket [openssl.org #212].)
2055 if (a
->sessions
!= NULL
)
2056 SSL_CTX_flush_sessions(a
, 0);
2058 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, a
, &a
->ex_data
);
2060 if (a
->sessions
!= NULL
)
2061 lh_SSL_SESSION_free(a
->sessions
);
2063 if (a
->cert_store
!= NULL
)
2064 X509_STORE_free(a
->cert_store
);
2065 if (a
->cipher_list
!= NULL
)
2066 sk_SSL_CIPHER_free(a
->cipher_list
);
2067 if (a
->cipher_list_by_id
!= NULL
)
2068 sk_SSL_CIPHER_free(a
->cipher_list_by_id
);
2069 if (a
->cert
!= NULL
)
2070 ssl_cert_free(a
->cert
);
2071 if (a
->client_CA
!= NULL
)
2072 sk_X509_NAME_pop_free(a
->client_CA
, X509_NAME_free
);
2073 if (a
->extra_certs
!= NULL
)
2074 sk_X509_pop_free(a
->extra_certs
, X509_free
);
2075 a
->comp_methods
= NULL
;
2077 #ifndef OPENSSL_NO_SRTP
2078 if (a
->srtp_profiles
)
2079 sk_SRTP_PROTECTION_PROFILE_free(a
->srtp_profiles
);
2082 #ifndef OPENSSL_NO_PSK
2083 if (a
->psk_identity_hint
)
2084 OPENSSL_free(a
->psk_identity_hint
);
2086 #ifndef OPENSSL_NO_SRP
2087 SSL_CTX_SRP_CTX_free(a
);
2089 #ifndef OPENSSL_NO_ENGINE
2090 if (a
->client_cert_engine
)
2091 ENGINE_finish(a
->client_cert_engine
);
2094 #ifndef OPENSSL_NO_TLSEXT
2095 # ifndef OPENSSL_NO_EC
2096 if (a
->tlsext_ecpointformatlist
)
2097 OPENSSL_free(a
->tlsext_ecpointformatlist
);
2098 if (a
->tlsext_ellipticcurvelist
)
2099 OPENSSL_free(a
->tlsext_ellipticcurvelist
);
2100 # endif /* OPENSSL_NO_EC */
2101 if (a
->alpn_client_proto_list
!= NULL
)
2102 OPENSSL_free(a
->alpn_client_proto_list
);
2108 void SSL_CTX_set_default_passwd_cb(SSL_CTX
*ctx
, pem_password_cb
*cb
)
2110 ctx
->default_passwd_callback
= cb
;
2113 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX
*ctx
, void *u
)
2115 ctx
->default_passwd_callback_userdata
= u
;
2118 void SSL_CTX_set_cert_verify_callback(SSL_CTX
*ctx
,
2119 int (*cb
) (X509_STORE_CTX
*, void *),
2122 ctx
->app_verify_callback
= cb
;
2123 ctx
->app_verify_arg
= arg
;
2126 void SSL_CTX_set_verify(SSL_CTX
*ctx
, int mode
,
2127 int (*cb
) (int, X509_STORE_CTX
*))
2129 ctx
->verify_mode
= mode
;
2130 ctx
->default_verify_callback
= cb
;
2133 void SSL_CTX_set_verify_depth(SSL_CTX
*ctx
, int depth
)
2135 X509_VERIFY_PARAM_set_depth(ctx
->param
, depth
);
2138 void SSL_CTX_set_cert_cb(SSL_CTX
*c
, int (*cb
) (SSL
*ssl
, void *arg
),
2141 ssl_cert_set_cert_cb(c
->cert
, cb
, arg
);
2144 void SSL_set_cert_cb(SSL
*s
, int (*cb
) (SSL
*ssl
, void *arg
), void *arg
)
2146 ssl_cert_set_cert_cb(s
->cert
, cb
, arg
);
2149 void ssl_set_cert_masks(CERT
*c
, const SSL_CIPHER
*cipher
)
2152 int rsa_enc
, rsa_tmp
, rsa_sign
, dh_tmp
, dh_rsa
, dh_dsa
, dsa_sign
;
2153 int rsa_enc_export
, dh_rsa_export
, dh_dsa_export
;
2154 int rsa_tmp_export
, dh_tmp_export
, kl
;
2155 unsigned long mask_k
, mask_a
, emask_k
, emask_a
;
2156 #ifndef OPENSSL_NO_EC
2157 int have_ecc_cert
, ecdsa_ok
, ecc_pkey_size
;
2158 int have_ecdh_tmp
, ecdh_ok
;
2160 EVP_PKEY
*ecc_pkey
= NULL
;
2161 int signature_nid
= 0, pk_nid
= 0, md_nid
= 0;
2166 kl
= SSL_C_EXPORT_PKEYLENGTH(cipher
);
2168 #ifndef OPENSSL_NO_RSA
2169 rsa_tmp
= (c
->rsa_tmp
!= NULL
|| c
->rsa_tmp_cb
!= NULL
);
2170 rsa_tmp_export
= (c
->rsa_tmp_cb
!= NULL
||
2171 (rsa_tmp
&& RSA_size(c
->rsa_tmp
) * 8 <= kl
));
2173 rsa_tmp
= rsa_tmp_export
= 0;
2175 #ifndef OPENSSL_NO_DH
2176 dh_tmp
= (c
->dh_tmp
!= NULL
|| c
->dh_tmp_cb
!= NULL
|| c
->dh_tmp_auto
);
2177 dh_tmp_export
= !c
->dh_tmp_auto
&& (c
->dh_tmp_cb
!= NULL
||
2179 && DH_size(c
->dh_tmp
) * 8 <= kl
));
2181 dh_tmp
= dh_tmp_export
= 0;
2184 #ifndef OPENSSL_NO_EC
2185 have_ecdh_tmp
= (c
->ecdh_tmp
|| c
->ecdh_tmp_cb
|| c
->ecdh_tmp_auto
);
2187 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_ENC
]);
2188 rsa_enc
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2189 rsa_enc_export
= (rsa_enc
&& EVP_PKEY_size(cpk
->privatekey
) * 8 <= kl
);
2190 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_SIGN
]);
2191 rsa_sign
= cpk
->valid_flags
& CERT_PKEY_SIGN
;
2192 cpk
= &(c
->pkeys
[SSL_PKEY_DSA_SIGN
]);
2193 dsa_sign
= cpk
->valid_flags
& CERT_PKEY_SIGN
;
2194 cpk
= &(c
->pkeys
[SSL_PKEY_DH_RSA
]);
2195 dh_rsa
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2196 dh_rsa_export
= (dh_rsa
&& EVP_PKEY_size(cpk
->privatekey
) * 8 <= kl
);
2197 cpk
= &(c
->pkeys
[SSL_PKEY_DH_DSA
]);
2198 /* FIX THIS EAY EAY EAY */
2199 dh_dsa
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2200 dh_dsa_export
= (dh_dsa
&& EVP_PKEY_size(cpk
->privatekey
) * 8 <= kl
);
2201 cpk
= &(c
->pkeys
[SSL_PKEY_ECC
]);
2202 #ifndef OPENSSL_NO_EC
2203 have_ecc_cert
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2212 "rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
2213 rsa_tmp
, rsa_tmp_export
, dh_tmp
, have_ecdh_tmp
, rsa_enc
,
2214 rsa_enc_export
, rsa_sign
, dsa_sign
, dh_rsa
, dh_dsa
);
2217 cpk
= &(c
->pkeys
[SSL_PKEY_GOST01
]);
2218 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
) {
2219 mask_k
|= SSL_kGOST
;
2220 mask_a
|= SSL_aGOST01
;
2222 cpk
= &(c
->pkeys
[SSL_PKEY_GOST94
]);
2223 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
) {
2224 mask_k
|= SSL_kGOST
;
2225 mask_a
|= SSL_aGOST94
;
2228 if (rsa_enc
|| (rsa_tmp
&& rsa_sign
))
2230 if (rsa_enc_export
|| (rsa_tmp_export
&& (rsa_sign
|| rsa_enc
)))
2231 emask_k
|= SSL_kRSA
;
2234 emask_k
|= SSL_kDHE
;
2242 emask_k
|= SSL_kDHr
;
2247 emask_k
|= SSL_kDHd
;
2249 if (emask_k
& (SSL_kDHr
| SSL_kDHd
))
2252 if (rsa_enc
|| rsa_sign
) {
2254 emask_a
|= SSL_aRSA
;
2259 emask_a
|= SSL_aDSS
;
2262 mask_a
|= SSL_aNULL
;
2263 emask_a
|= SSL_aNULL
;
2265 #ifndef OPENSSL_NO_KRB5
2266 mask_k
|= SSL_kKRB5
;
2267 mask_a
|= SSL_aKRB5
;
2268 emask_k
|= SSL_kKRB5
;
2269 emask_a
|= SSL_aKRB5
;
2273 * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites
2274 * depending on the key usage extension.
2276 #ifndef OPENSSL_NO_EC
2277 if (have_ecc_cert
) {
2278 cpk
= &c
->pkeys
[SSL_PKEY_ECC
];
2280 /* This call populates extension flags (ex_flags) */
2281 X509_check_purpose(x
, -1, 0);
2282 ecdh_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
2283 (x
->ex_kusage
& X509v3_KU_KEY_AGREEMENT
) : 1;
2284 ecdsa_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
2285 (x
->ex_kusage
& X509v3_KU_DIGITAL_SIGNATURE
) : 1;
2286 if (!(cpk
->valid_flags
& CERT_PKEY_SIGN
))
2288 ecc_pkey
= X509_get_pubkey(x
);
2289 ecc_pkey_size
= (ecc_pkey
!= NULL
) ? EVP_PKEY_bits(ecc_pkey
) : 0;
2290 EVP_PKEY_free(ecc_pkey
);
2291 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
)) {
2292 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
2293 OBJ_find_sigid_algs(signature_nid
, &md_nid
, &pk_nid
);
2297 if (pk_nid
== NID_rsaEncryption
|| pk_nid
== NID_rsa
) {
2298 mask_k
|= SSL_kECDHr
;
2299 mask_a
|= SSL_aECDH
;
2300 if (ecc_pkey_size
<= 163) {
2301 emask_k
|= SSL_kECDHr
;
2302 emask_a
|= SSL_aECDH
;
2306 if (pk_nid
== NID_X9_62_id_ecPublicKey
) {
2307 mask_k
|= SSL_kECDHe
;
2308 mask_a
|= SSL_aECDH
;
2309 if (ecc_pkey_size
<= 163) {
2310 emask_k
|= SSL_kECDHe
;
2311 emask_a
|= SSL_aECDH
;
2316 mask_a
|= SSL_aECDSA
;
2317 emask_a
|= SSL_aECDSA
;
2322 #ifndef OPENSSL_NO_EC
2323 if (have_ecdh_tmp
) {
2324 mask_k
|= SSL_kECDHE
;
2325 emask_k
|= SSL_kECDHE
;
2329 #ifndef OPENSSL_NO_PSK
2332 emask_k
|= SSL_kPSK
;
2333 emask_a
|= SSL_aPSK
;
2338 c
->export_mask_k
= emask_k
;
2339 c
->export_mask_a
= emask_a
;
2343 /* This handy macro borrowed from crypto/x509v3/v3_purp.c */
2344 #define ku_reject(x, usage) \
2345 (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
2347 #ifndef OPENSSL_NO_EC
2349 int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, SSL
*s
)
2351 unsigned long alg_k
, alg_a
;
2352 EVP_PKEY
*pkey
= NULL
;
2354 int signature_nid
= 0, md_nid
= 0, pk_nid
= 0;
2355 const SSL_CIPHER
*cs
= s
->s3
->tmp
.new_cipher
;
2357 alg_k
= cs
->algorithm_mkey
;
2358 alg_a
= cs
->algorithm_auth
;
2360 if (SSL_C_IS_EXPORT(cs
)) {
2361 /* ECDH key length in export ciphers must be <= 163 bits */
2362 pkey
= X509_get_pubkey(x
);
2365 keysize
= EVP_PKEY_bits(pkey
);
2366 EVP_PKEY_free(pkey
);
2371 /* This call populates the ex_flags field correctly */
2372 X509_check_purpose(x
, -1, 0);
2373 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
)) {
2374 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
2375 OBJ_find_sigid_algs(signature_nid
, &md_nid
, &pk_nid
);
2377 if (alg_k
& SSL_kECDHe
|| alg_k
& SSL_kECDHr
) {
2378 /* key usage, if present, must allow key agreement */
2379 if (ku_reject(x
, X509v3_KU_KEY_AGREEMENT
)) {
2380 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2381 SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT
);
2384 if ((alg_k
& SSL_kECDHe
) && TLS1_get_version(s
) < TLS1_2_VERSION
) {
2385 /* signature alg must be ECDSA */
2386 if (pk_nid
!= NID_X9_62_id_ecPublicKey
) {
2387 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2388 SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE
);
2392 if ((alg_k
& SSL_kECDHr
) && TLS1_get_version(s
) < TLS1_2_VERSION
) {
2393 /* signature alg must be RSA */
2395 if (pk_nid
!= NID_rsaEncryption
&& pk_nid
!= NID_rsa
) {
2396 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2397 SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE
);
2402 if (alg_a
& SSL_aECDSA
) {
2403 /* key usage, if present, must allow signing */
2404 if (ku_reject(x
, X509v3_KU_DIGITAL_SIGNATURE
)) {
2405 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2406 SSL_R_ECC_CERT_NOT_FOR_SIGNING
);
2411 return 1; /* all checks are ok */
2416 static int ssl_get_server_cert_index(const SSL
*s
)
2419 idx
= ssl_cipher_get_cert_index(s
->s3
->tmp
.new_cipher
);
2420 if (idx
== SSL_PKEY_RSA_ENC
&& !s
->cert
->pkeys
[SSL_PKEY_RSA_ENC
].x509
)
2421 idx
= SSL_PKEY_RSA_SIGN
;
2423 SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX
, ERR_R_INTERNAL_ERROR
);
2427 CERT_PKEY
*ssl_get_server_send_pkey(const SSL
*s
)
2433 if (!s
->s3
|| !s
->s3
->tmp
.new_cipher
)
2435 ssl_set_cert_masks(c
, s
->s3
->tmp
.new_cipher
);
2437 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2439 * Broken protocol test: return last used certificate: which may mismatch
2442 if (c
->cert_flags
& SSL_CERT_FLAG_BROKEN_PROTOCOL
)
2446 i
= ssl_get_server_cert_index(s
);
2448 /* This may or may not be an error. */
2453 return &c
->pkeys
[i
];
2456 EVP_PKEY
*ssl_get_sign_pkey(SSL
*s
, const SSL_CIPHER
*cipher
,
2459 unsigned long alg_a
;
2463 alg_a
= cipher
->algorithm_auth
;
2466 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2468 * Broken protocol test: use last key: which may mismatch the one
2471 if (c
->cert_flags
& SSL_CERT_FLAG_BROKEN_PROTOCOL
)
2472 idx
= c
->key
- c
->pkeys
;
2476 if ((alg_a
& SSL_aDSS
) &&
2477 (c
->pkeys
[SSL_PKEY_DSA_SIGN
].privatekey
!= NULL
))
2478 idx
= SSL_PKEY_DSA_SIGN
;
2479 else if (alg_a
& SSL_aRSA
) {
2480 if (c
->pkeys
[SSL_PKEY_RSA_SIGN
].privatekey
!= NULL
)
2481 idx
= SSL_PKEY_RSA_SIGN
;
2482 else if (c
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
!= NULL
)
2483 idx
= SSL_PKEY_RSA_ENC
;
2484 } else if ((alg_a
& SSL_aECDSA
) &&
2485 (c
->pkeys
[SSL_PKEY_ECC
].privatekey
!= NULL
))
2488 SSLerr(SSL_F_SSL_GET_SIGN_PKEY
, ERR_R_INTERNAL_ERROR
);
2492 *pmd
= c
->pkeys
[idx
].digest
;
2493 return c
->pkeys
[idx
].privatekey
;
2496 #ifndef OPENSSL_NO_TLSEXT
2497 int ssl_get_server_cert_serverinfo(SSL
*s
, const unsigned char **serverinfo
,
2498 size_t *serverinfo_length
)
2502 *serverinfo_length
= 0;
2505 i
= ssl_get_server_cert_index(s
);
2509 if (c
->pkeys
[i
].serverinfo
== NULL
)
2512 *serverinfo
= c
->pkeys
[i
].serverinfo
;
2513 *serverinfo_length
= c
->pkeys
[i
].serverinfo_length
;
2518 void ssl_update_cache(SSL
*s
, int mode
)
2523 * If the session_id_length is 0, we are not supposed to cache it, and it
2524 * would be rather hard to do anyway :-)
2526 if (s
->session
->session_id_length
== 0)
2529 i
= s
->session_ctx
->session_cache_mode
;
2530 if ((i
& mode
) && (!s
->hit
)
2531 && ((i
& SSL_SESS_CACHE_NO_INTERNAL_STORE
)
2532 || SSL_CTX_add_session(s
->session_ctx
, s
->session
))
2533 && (s
->session_ctx
->new_session_cb
!= NULL
)) {
2534 CRYPTO_add(&s
->session
->references
, 1, CRYPTO_LOCK_SSL_SESSION
);
2535 if (!s
->session_ctx
->new_session_cb(s
, s
->session
))
2536 SSL_SESSION_free(s
->session
);
2539 /* auto flush every 255 connections */
2540 if ((!(i
& SSL_SESS_CACHE_NO_AUTO_CLEAR
)) && ((i
& mode
) == mode
)) {
2541 if ((((mode
& SSL_SESS_CACHE_CLIENT
)
2542 ? s
->session_ctx
->stats
.sess_connect_good
2543 : s
->session_ctx
->stats
.sess_accept_good
) & 0xff) == 0xff) {
2544 SSL_CTX_flush_sessions(s
->session_ctx
, (unsigned long)time(NULL
));
2549 const SSL_METHOD
*SSL_CTX_get_ssl_method(SSL_CTX
*ctx
)
2554 const SSL_METHOD
*SSL_get_ssl_method(SSL
*s
)
2559 int SSL_set_ssl_method(SSL
*s
, const SSL_METHOD
*meth
)
2564 if (s
->method
!= meth
) {
2565 if (s
->handshake_func
!= NULL
)
2566 conn
= (s
->handshake_func
== s
->method
->ssl_connect
);
2568 if (s
->method
->version
== meth
->version
)
2571 s
->method
->ssl_free(s
);
2573 ret
= s
->method
->ssl_new(s
);
2577 s
->handshake_func
= meth
->ssl_connect
;
2579 s
->handshake_func
= meth
->ssl_accept
;
2584 int SSL_get_error(const SSL
*s
, int i
)
2591 return (SSL_ERROR_NONE
);
2594 * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc,
2595 * where we do encode the error
2597 if ((l
= ERR_peek_error()) != 0) {
2598 if (ERR_GET_LIB(l
) == ERR_LIB_SYS
)
2599 return (SSL_ERROR_SYSCALL
);
2601 return (SSL_ERROR_SSL
);
2604 if ((i
< 0) && SSL_want_read(s
)) {
2605 bio
= SSL_get_rbio(s
);
2606 if (BIO_should_read(bio
))
2607 return (SSL_ERROR_WANT_READ
);
2608 else if (BIO_should_write(bio
))
2610 * This one doesn't make too much sense ... We never try to write
2611 * to the rbio, and an application program where rbio and wbio
2612 * are separate couldn't even know what it should wait for.
2613 * However if we ever set s->rwstate incorrectly (so that we have
2614 * SSL_want_read(s) instead of SSL_want_write(s)) and rbio and
2615 * wbio *are* the same, this test works around that bug; so it
2616 * might be safer to keep it.
2618 return (SSL_ERROR_WANT_WRITE
);
2619 else if (BIO_should_io_special(bio
)) {
2620 reason
= BIO_get_retry_reason(bio
);
2621 if (reason
== BIO_RR_CONNECT
)
2622 return (SSL_ERROR_WANT_CONNECT
);
2623 else if (reason
== BIO_RR_ACCEPT
)
2624 return (SSL_ERROR_WANT_ACCEPT
);
2626 return (SSL_ERROR_SYSCALL
); /* unknown */
2630 if ((i
< 0) && SSL_want_write(s
)) {
2631 bio
= SSL_get_wbio(s
);
2632 if (BIO_should_write(bio
))
2633 return (SSL_ERROR_WANT_WRITE
);
2634 else if (BIO_should_read(bio
))
2636 * See above (SSL_want_read(s) with BIO_should_write(bio))
2638 return (SSL_ERROR_WANT_READ
);
2639 else if (BIO_should_io_special(bio
)) {
2640 reason
= BIO_get_retry_reason(bio
);
2641 if (reason
== BIO_RR_CONNECT
)
2642 return (SSL_ERROR_WANT_CONNECT
);
2643 else if (reason
== BIO_RR_ACCEPT
)
2644 return (SSL_ERROR_WANT_ACCEPT
);
2646 return (SSL_ERROR_SYSCALL
);
2649 if ((i
< 0) && SSL_want_x509_lookup(s
)) {
2650 return (SSL_ERROR_WANT_X509_LOOKUP
);
2654 if ((s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) &&
2655 (s
->s3
->warn_alert
== SSL_AD_CLOSE_NOTIFY
))
2656 return (SSL_ERROR_ZERO_RETURN
);
2658 return (SSL_ERROR_SYSCALL
);
2661 int SSL_do_handshake(SSL
*s
)
2665 if (s
->handshake_func
== NULL
) {
2666 SSLerr(SSL_F_SSL_DO_HANDSHAKE
, SSL_R_CONNECTION_TYPE_NOT_SET
);
2670 s
->method
->ssl_renegotiate_check(s
);
2672 if (SSL_in_init(s
) || SSL_in_before(s
)) {
2673 ret
= s
->handshake_func(s
);
2679 * For the next 2 functions, SSL_clear() sets shutdown and so one of these
2680 * calls will reset it
2682 void SSL_set_accept_state(SSL
*s
)
2686 s
->state
= SSL_ST_ACCEPT
| SSL_ST_BEFORE
;
2687 s
->handshake_func
= s
->method
->ssl_accept
;
2688 /* clear the current cipher */
2689 ssl_clear_cipher_ctx(s
);
2690 ssl_clear_hash_ctx(&s
->read_hash
);
2691 ssl_clear_hash_ctx(&s
->write_hash
);
2694 void SSL_set_connect_state(SSL
*s
)
2698 s
->state
= SSL_ST_CONNECT
| SSL_ST_BEFORE
;
2699 s
->handshake_func
= s
->method
->ssl_connect
;
2700 /* clear the current cipher */
2701 ssl_clear_cipher_ctx(s
);
2702 ssl_clear_hash_ctx(&s
->read_hash
);
2703 ssl_clear_hash_ctx(&s
->write_hash
);
2706 int ssl_undefined_function(SSL
*s
)
2708 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2712 int ssl_undefined_void_function(void)
2714 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION
,
2715 ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2719 int ssl_undefined_const_function(const SSL
*s
)
2721 SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION
,
2722 ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2726 SSL_METHOD
*ssl_bad_method(int ver
)
2728 SSLerr(SSL_F_SSL_BAD_METHOD
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2732 const char *SSL_get_version(const SSL
*s
)
2734 if (s
->version
== TLS1_2_VERSION
)
2736 else if (s
->version
== TLS1_1_VERSION
)
2738 else if (s
->version
== TLS1_VERSION
)
2740 else if (s
->version
== SSL3_VERSION
)
2742 else if (s
->version
== DTLS1_BAD_VER
)
2743 return ("DTLSv0.9");
2744 else if (s
->version
== DTLS1_VERSION
)
2746 else if (s
->version
== DTLS1_2_VERSION
)
2747 return ("DTLSv1.2");
2752 SSL
*SSL_dup(SSL
*s
)
2754 STACK_OF(X509_NAME
) *sk
;
2759 if ((ret
= SSL_new(SSL_get_SSL_CTX(s
))) == NULL
)
2762 ret
->version
= s
->version
;
2763 ret
->type
= s
->type
;
2764 ret
->method
= s
->method
;
2766 if (s
->session
!= NULL
) {
2767 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2768 if(!SSL_copy_session_id(ret
, s
))
2772 * No session has been established yet, so we have to expect that
2773 * s->cert or ret->cert will be changed later -- they should not both
2774 * point to the same object, and thus we can't use
2775 * SSL_copy_session_id.
2778 ret
->method
->ssl_free(ret
);
2779 ret
->method
= s
->method
;
2780 ret
->method
->ssl_new(ret
);
2782 if (s
->cert
!= NULL
) {
2783 if (ret
->cert
!= NULL
) {
2784 ssl_cert_free(ret
->cert
);
2786 ret
->cert
= ssl_cert_dup(s
->cert
);
2787 if (ret
->cert
== NULL
)
2791 if(!SSL_set_session_id_context(ret
, s
->sid_ctx
, s
->sid_ctx_length
))
2795 ret
->options
= s
->options
;
2796 ret
->mode
= s
->mode
;
2797 SSL_set_max_cert_list(ret
, SSL_get_max_cert_list(s
));
2798 SSL_set_read_ahead(ret
, SSL_get_read_ahead(s
));
2799 ret
->msg_callback
= s
->msg_callback
;
2800 ret
->msg_callback_arg
= s
->msg_callback_arg
;
2801 SSL_set_verify(ret
, SSL_get_verify_mode(s
), SSL_get_verify_callback(s
));
2802 SSL_set_verify_depth(ret
, SSL_get_verify_depth(s
));
2803 ret
->generate_session_id
= s
->generate_session_id
;
2805 SSL_set_info_callback(ret
, SSL_get_info_callback(s
));
2807 ret
->debug
= s
->debug
;
2809 /* copy app data, a little dangerous perhaps */
2810 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL
, &ret
->ex_data
, &s
->ex_data
))
2813 /* setup rbio, and wbio */
2814 if (s
->rbio
!= NULL
) {
2815 if (!BIO_dup_state(s
->rbio
, (char *)&ret
->rbio
))
2818 if (s
->wbio
!= NULL
) {
2819 if (s
->wbio
!= s
->rbio
) {
2820 if (!BIO_dup_state(s
->wbio
, (char *)&ret
->wbio
))
2823 ret
->wbio
= ret
->rbio
;
2825 ret
->rwstate
= s
->rwstate
;
2826 ret
->in_handshake
= s
->in_handshake
;
2827 ret
->handshake_func
= s
->handshake_func
;
2828 ret
->server
= s
->server
;
2829 ret
->renegotiate
= s
->renegotiate
;
2830 ret
->new_session
= s
->new_session
;
2831 ret
->quiet_shutdown
= s
->quiet_shutdown
;
2832 ret
->shutdown
= s
->shutdown
;
2833 ret
->state
= s
->state
; /* SSL_dup does not really work at any state,
2835 ret
->rstate
= s
->rstate
;
2836 ret
->init_num
= 0; /* would have to copy ret->init_buf,
2837 * ret->init_msg, ret->init_num,
2841 X509_VERIFY_PARAM_inherit(ret
->param
, s
->param
);
2843 /* dup the cipher_list and cipher_list_by_id stacks */
2844 if (s
->cipher_list
!= NULL
) {
2845 if ((ret
->cipher_list
= sk_SSL_CIPHER_dup(s
->cipher_list
)) == NULL
)
2848 if (s
->cipher_list_by_id
!= NULL
)
2849 if ((ret
->cipher_list_by_id
= sk_SSL_CIPHER_dup(s
->cipher_list_by_id
))
2853 /* Dup the client_CA list */
2854 if (s
->client_CA
!= NULL
) {
2855 if ((sk
= sk_X509_NAME_dup(s
->client_CA
)) == NULL
)
2857 ret
->client_CA
= sk
;
2858 for (i
= 0; i
< sk_X509_NAME_num(sk
); i
++) {
2859 xn
= sk_X509_NAME_value(sk
, i
);
2860 if (sk_X509_NAME_set(sk
, i
, X509_NAME_dup(xn
)) == NULL
) {
2876 void ssl_clear_cipher_ctx(SSL
*s
)
2878 if (s
->enc_read_ctx
!= NULL
) {
2879 EVP_CIPHER_CTX_cleanup(s
->enc_read_ctx
);
2880 OPENSSL_free(s
->enc_read_ctx
);
2881 s
->enc_read_ctx
= NULL
;
2883 if (s
->enc_write_ctx
!= NULL
) {
2884 EVP_CIPHER_CTX_cleanup(s
->enc_write_ctx
);
2885 OPENSSL_free(s
->enc_write_ctx
);
2886 s
->enc_write_ctx
= NULL
;
2888 #ifndef OPENSSL_NO_COMP
2889 if (s
->expand
!= NULL
) {
2890 COMP_CTX_free(s
->expand
);
2893 if (s
->compress
!= NULL
) {
2894 COMP_CTX_free(s
->compress
);
2900 X509
*SSL_get_certificate(const SSL
*s
)
2902 if (s
->cert
!= NULL
)
2903 return (s
->cert
->key
->x509
);
2908 EVP_PKEY
*SSL_get_privatekey(const SSL
*s
)
2910 if (s
->cert
!= NULL
)
2911 return (s
->cert
->key
->privatekey
);
2916 X509
*SSL_CTX_get0_certificate(const SSL_CTX
*ctx
)
2918 if (ctx
->cert
!= NULL
)
2919 return ctx
->cert
->key
->x509
;
2924 EVP_PKEY
*SSL_CTX_get0_privatekey(const SSL_CTX
*ctx
)
2926 if (ctx
->cert
!= NULL
)
2927 return ctx
->cert
->key
->privatekey
;
2932 const SSL_CIPHER
*SSL_get_current_cipher(const SSL
*s
)
2934 if ((s
->session
!= NULL
) && (s
->session
->cipher
!= NULL
))
2935 return (s
->session
->cipher
);
2939 #ifdef OPENSSL_NO_COMP
2940 const void *SSL_get_current_compression(SSL
*s
)
2945 const void *SSL_get_current_expansion(SSL
*s
)
2951 const COMP_METHOD
*SSL_get_current_compression(SSL
*s
)
2953 if (s
->compress
!= NULL
)
2954 return (s
->compress
->meth
);
2958 const COMP_METHOD
*SSL_get_current_expansion(SSL
*s
)
2960 if (s
->expand
!= NULL
)
2961 return (s
->expand
->meth
);
2966 int ssl_init_wbio_buffer(SSL
*s
, int push
)
2970 if (s
->bbio
== NULL
) {
2971 bbio
= BIO_new(BIO_f_buffer());
2977 if (s
->bbio
== s
->wbio
)
2978 s
->wbio
= BIO_pop(s
->wbio
);
2980 (void)BIO_reset(bbio
);
2981 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
2982 if (!BIO_set_read_buffer_size(bbio
, 1)) {
2983 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER
, ERR_R_BUF_LIB
);
2987 if (s
->wbio
!= bbio
)
2988 s
->wbio
= BIO_push(bbio
, s
->wbio
);
2990 if (s
->wbio
== bbio
)
2991 s
->wbio
= BIO_pop(bbio
);
2996 void ssl_free_wbio_buffer(SSL
*s
)
2998 if (s
->bbio
== NULL
)
3001 if (s
->bbio
== s
->wbio
) {
3002 /* remove buffering */
3003 s
->wbio
= BIO_pop(s
->wbio
);
3004 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids
3005 * adding one more preprocessor symbol */
3006 assert(s
->wbio
!= NULL
);
3013 void SSL_CTX_set_quiet_shutdown(SSL_CTX
*ctx
, int mode
)
3015 ctx
->quiet_shutdown
= mode
;
3018 int SSL_CTX_get_quiet_shutdown(const SSL_CTX
*ctx
)
3020 return (ctx
->quiet_shutdown
);
3023 void SSL_set_quiet_shutdown(SSL
*s
, int mode
)
3025 s
->quiet_shutdown
= mode
;
3028 int SSL_get_quiet_shutdown(const SSL
*s
)
3030 return (s
->quiet_shutdown
);
3033 void SSL_set_shutdown(SSL
*s
, int mode
)
3038 int SSL_get_shutdown(const SSL
*s
)
3040 return (s
->shutdown
);
3043 int SSL_version(const SSL
*s
)
3045 return (s
->version
);
3048 SSL_CTX
*SSL_get_SSL_CTX(const SSL
*ssl
)
3053 SSL_CTX
*SSL_set_SSL_CTX(SSL
*ssl
, SSL_CTX
*ctx
)
3056 if (ssl
->ctx
== ctx
)
3058 #ifndef OPENSSL_NO_TLSEXT
3060 ctx
= ssl
->initial_ctx
;
3062 new_cert
= ssl_cert_dup(ctx
->cert
);
3063 if (new_cert
== NULL
) {
3066 /* Preserve any already negotiated parameters */
3068 new_cert
->peer_sigalgs
= ssl
->cert
->peer_sigalgs
;
3069 new_cert
->peer_sigalgslen
= ssl
->cert
->peer_sigalgslen
;
3070 ssl
->cert
->peer_sigalgs
= NULL
;
3071 new_cert
->ciphers_raw
= ssl
->cert
->ciphers_raw
;
3072 new_cert
->ciphers_rawlen
= ssl
->cert
->ciphers_rawlen
;
3073 ssl
->cert
->ciphers_raw
= NULL
;
3075 ssl_cert_free(ssl
->cert
);
3076 ssl
->cert
= new_cert
;
3079 * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH),
3080 * so setter APIs must prevent invalid lengths from entering the system.
3082 OPENSSL_assert(ssl
->sid_ctx_length
<= sizeof(ssl
->sid_ctx
));
3085 * If the session ID context matches that of the parent SSL_CTX,
3086 * inherit it from the new SSL_CTX as well. If however the context does
3087 * not match (i.e., it was set per-ssl with SSL_set_session_id_context),
3088 * leave it unchanged.
3090 if ((ssl
->ctx
!= NULL
) &&
3091 (ssl
->sid_ctx_length
== ssl
->ctx
->sid_ctx_length
) &&
3092 (memcmp(ssl
->sid_ctx
, ssl
->ctx
->sid_ctx
, ssl
->sid_ctx_length
) == 0)) {
3093 ssl
->sid_ctx_length
= ctx
->sid_ctx_length
;
3094 memcpy(&ssl
->sid_ctx
, &ctx
->sid_ctx
, sizeof(ssl
->sid_ctx
));
3097 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
3098 if (ssl
->ctx
!= NULL
)
3099 SSL_CTX_free(ssl
->ctx
); /* decrement reference count */
3105 #ifndef OPENSSL_NO_STDIO
3106 int SSL_CTX_set_default_verify_paths(SSL_CTX
*ctx
)
3108 return (X509_STORE_set_default_paths(ctx
->cert_store
));
3111 int SSL_CTX_load_verify_locations(SSL_CTX
*ctx
, const char *CAfile
,
3114 return (X509_STORE_load_locations(ctx
->cert_store
, CAfile
, CApath
));
3118 void SSL_set_info_callback(SSL
*ssl
,
3119 void (*cb
) (const SSL
*ssl
, int type
, int val
))
3121 ssl
->info_callback
= cb
;
3125 * One compiler (Diab DCC) doesn't like argument names in returned function
3128 void (*SSL_get_info_callback(const SSL
*ssl
)) (const SSL
* /* ssl */ ,
3131 return ssl
->info_callback
;
3134 int SSL_state(const SSL
*ssl
)
3136 return (ssl
->state
);
3139 void SSL_set_state(SSL
*ssl
, int state
)
3144 void SSL_set_verify_result(SSL
*ssl
, long arg
)
3146 ssl
->verify_result
= arg
;
3149 long SSL_get_verify_result(const SSL
*ssl
)
3151 return (ssl
->verify_result
);
3154 int SSL_get_ex_new_index(long argl
, void *argp
, CRYPTO_EX_new
*new_func
,
3155 CRYPTO_EX_dup
*dup_func
, CRYPTO_EX_free
*free_func
)
3157 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL
, argl
, argp
,
3158 new_func
, dup_func
, free_func
);
3161 int SSL_set_ex_data(SSL
*s
, int idx
, void *arg
)
3163 return (CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
));
3166 void *SSL_get_ex_data(const SSL
*s
, int idx
)
3168 return (CRYPTO_get_ex_data(&s
->ex_data
, idx
));
3171 int SSL_CTX_get_ex_new_index(long argl
, void *argp
, CRYPTO_EX_new
*new_func
,
3172 CRYPTO_EX_dup
*dup_func
,
3173 CRYPTO_EX_free
*free_func
)
3175 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX
, argl
, argp
,
3176 new_func
, dup_func
, free_func
);
3179 int SSL_CTX_set_ex_data(SSL_CTX
*s
, int idx
, void *arg
)
3181 return (CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
));
3184 void *SSL_CTX_get_ex_data(const SSL_CTX
*s
, int idx
)
3186 return (CRYPTO_get_ex_data(&s
->ex_data
, idx
));
3194 X509_STORE
*SSL_CTX_get_cert_store(const SSL_CTX
*ctx
)
3196 return (ctx
->cert_store
);
3199 void SSL_CTX_set_cert_store(SSL_CTX
*ctx
, X509_STORE
*store
)
3201 if (ctx
->cert_store
!= NULL
)
3202 X509_STORE_free(ctx
->cert_store
);
3203 ctx
->cert_store
= store
;
3206 int SSL_want(const SSL
*s
)
3208 return (s
->rwstate
);
3212 * \brief Set the callback for generating temporary RSA keys.
3213 * \param ctx the SSL context.
3214 * \param cb the callback
3217 #ifndef OPENSSL_NO_RSA
3218 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX
*ctx
, RSA
*(*cb
) (SSL
*ssl
,
3222 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_TMP_RSA_CB
, (void (*)(void))cb
);
3225 void SSL_set_tmp_rsa_callback(SSL
*ssl
, RSA
*(*cb
) (SSL
*ssl
,
3229 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_TMP_RSA_CB
, (void (*)(void))cb
);
3235 * \brief The RSA temporary key callback function.
3236 * \param ssl the SSL session.
3237 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
3238 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
3239 * of the required key in bits.
3240 * \return the temporary RSA key.
3241 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
3244 RSA
*cb(SSL
*ssl
, int is_export
, int keylength
)
3250 * \brief Set the callback for generating temporary DH keys.
3251 * \param ctx the SSL context.
3252 * \param dh the callback
3255 #ifndef OPENSSL_NO_DH
3256 void SSL_CTX_set_tmp_dh_callback(SSL_CTX
*ctx
,
3257 DH
*(*dh
) (SSL
*ssl
, int is_export
,
3260 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_TMP_DH_CB
, (void (*)(void))dh
);
3263 void SSL_set_tmp_dh_callback(SSL
*ssl
, DH
*(*dh
) (SSL
*ssl
, int is_export
,
3266 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_TMP_DH_CB
, (void (*)(void))dh
);
3270 #ifndef OPENSSL_NO_EC
3271 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX
*ctx
,
3272 EC_KEY
*(*ecdh
) (SSL
*ssl
, int is_export
,
3275 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_TMP_ECDH_CB
,
3276 (void (*)(void))ecdh
);
3279 void SSL_set_tmp_ecdh_callback(SSL
*ssl
,
3280 EC_KEY
*(*ecdh
) (SSL
*ssl
, int is_export
,
3283 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_TMP_ECDH_CB
, (void (*)(void))ecdh
);
3287 #ifndef OPENSSL_NO_PSK
3288 int SSL_CTX_use_psk_identity_hint(SSL_CTX
*ctx
, const char *identity_hint
)
3290 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
3291 SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT
,
3292 SSL_R_DATA_LENGTH_TOO_LONG
);
3295 if (ctx
->psk_identity_hint
!= NULL
)
3296 OPENSSL_free(ctx
->psk_identity_hint
);
3297 if (identity_hint
!= NULL
) {
3298 ctx
->psk_identity_hint
= BUF_strdup(identity_hint
);
3299 if (ctx
->psk_identity_hint
== NULL
)
3302 ctx
->psk_identity_hint
= NULL
;
3306 int SSL_use_psk_identity_hint(SSL
*s
, const char *identity_hint
)
3311 if (s
->session
== NULL
)
3312 return 1; /* session not created yet, ignored */
3314 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
3315 SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT
, SSL_R_DATA_LENGTH_TOO_LONG
);
3318 if (s
->session
->psk_identity_hint
!= NULL
)
3319 OPENSSL_free(s
->session
->psk_identity_hint
);
3320 if (identity_hint
!= NULL
) {
3321 s
->session
->psk_identity_hint
= BUF_strdup(identity_hint
);
3322 if (s
->session
->psk_identity_hint
== NULL
)
3325 s
->session
->psk_identity_hint
= NULL
;
3329 const char *SSL_get_psk_identity_hint(const SSL
*s
)
3331 if (s
== NULL
|| s
->session
== NULL
)
3333 return (s
->session
->psk_identity_hint
);
3336 const char *SSL_get_psk_identity(const SSL
*s
)
3338 if (s
== NULL
|| s
->session
== NULL
)
3340 return (s
->session
->psk_identity
);
3343 void SSL_set_psk_client_callback(SSL
*s
,
3344 unsigned int (*cb
) (SSL
*ssl
,
3353 s
->psk_client_callback
= cb
;
3356 void SSL_CTX_set_psk_client_callback(SSL_CTX
*ctx
,
3357 unsigned int (*cb
) (SSL
*ssl
,
3366 ctx
->psk_client_callback
= cb
;
3369 void SSL_set_psk_server_callback(SSL
*s
,
3370 unsigned int (*cb
) (SSL
*ssl
,
3371 const char *identity
,
3376 s
->psk_server_callback
= cb
;
3379 void SSL_CTX_set_psk_server_callback(SSL_CTX
*ctx
,
3380 unsigned int (*cb
) (SSL
*ssl
,
3381 const char *identity
,
3386 ctx
->psk_server_callback
= cb
;
3390 void SSL_CTX_set_msg_callback(SSL_CTX
*ctx
,
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_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3398 void SSL_set_msg_callback(SSL
*ssl
,
3399 void (*cb
) (int write_p
, int version
,
3400 int content_type
, const void *buf
,
3401 size_t len
, SSL
*ssl
, void *arg
))
3403 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3406 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX
*ctx
,
3407 int (*cb
) (SSL
*ssl
,
3411 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3412 (void (*)(void))cb
);
3415 void SSL_set_not_resumable_session_callback(SSL
*ssl
,
3416 int (*cb
) (SSL
*ssl
,
3417 int is_forward_secure
))
3419 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3420 (void (*)(void))cb
);
3424 * Allocates new EVP_MD_CTX and sets pointer to it into given pointer
3425 * vairable, freeing EVP_MD_CTX previously stored in that variable, if any.
3426 * If EVP_MD pointer is passed, initializes ctx with this md Returns newly
3430 EVP_MD_CTX
*ssl_replace_hash(EVP_MD_CTX
**hash
, const EVP_MD
*md
)
3432 ssl_clear_hash_ctx(hash
);
3433 *hash
= EVP_MD_CTX_create();
3435 EVP_DigestInit_ex(*hash
, md
, NULL
);
3439 void ssl_clear_hash_ctx(EVP_MD_CTX
**hash
)
3443 EVP_MD_CTX_destroy(*hash
);
3447 /* Retrieve handshake hashes */
3448 int ssl_handshake_hash(SSL
*s
, unsigned char *out
, int outlen
)
3450 unsigned char *p
= out
;
3455 EVP_MD_CTX_init(&ctx
);
3456 for (idx
= 0; ssl_get_handshake_digest(idx
, &mask
, &md
); idx
++) {
3457 if (mask
& ssl_get_algorithm2(s
)) {
3458 int hashsize
= EVP_MD_size(md
);
3459 EVP_MD_CTX
*hdgst
= s
->s3
->handshake_dgst
[idx
];
3460 if (!hdgst
|| hashsize
< 0 || hashsize
> outlen
)
3462 if (!EVP_MD_CTX_copy_ex(&ctx
, hdgst
))
3464 if (!EVP_DigestFinal_ex(&ctx
, p
, NULL
))
3472 EVP_MD_CTX_cleanup(&ctx
);
3476 void SSL_set_debug(SSL
*s
, int debug
)
3481 int SSL_cache_hit(SSL
*s
)
3486 int SSL_is_server(SSL
*s
)
3491 void SSL_set_security_level(SSL
*s
, int level
)
3493 s
->cert
->sec_level
= level
;
3496 int SSL_get_security_level(const SSL
*s
)
3498 return s
->cert
->sec_level
;
3501 void SSL_set_security_callback(SSL
*s
,
3502 int (*cb
) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3503 int bits
, int nid
, void *other
,
3506 s
->cert
->sec_cb
= cb
;
3509 int (*SSL_get_security_callback(const SSL
*s
)) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3511 void *other
, void *ex
) {
3512 return s
->cert
->sec_cb
;
3515 void SSL_set0_security_ex_data(SSL
*s
, void *ex
)
3517 s
->cert
->sec_ex
= ex
;
3520 void *SSL_get0_security_ex_data(const SSL
*s
)
3522 return s
->cert
->sec_ex
;
3525 void SSL_CTX_set_security_level(SSL_CTX
*ctx
, int level
)
3527 ctx
->cert
->sec_level
= level
;
3530 int SSL_CTX_get_security_level(const SSL_CTX
*ctx
)
3532 return ctx
->cert
->sec_level
;
3535 void SSL_CTX_set_security_callback(SSL_CTX
*ctx
,
3536 int (*cb
) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3537 int bits
, int nid
, void *other
,
3540 ctx
->cert
->sec_cb
= cb
;
3543 int (*SSL_CTX_get_security_callback(const SSL_CTX
*ctx
)) (SSL
*s
,
3549 return ctx
->cert
->sec_cb
;
3552 void SSL_CTX_set0_security_ex_data(SSL_CTX
*ctx
, void *ex
)
3554 ctx
->cert
->sec_ex
= ex
;
3557 void *SSL_CTX_get0_security_ex_data(const SSL_CTX
*ctx
)
3559 return ctx
->cert
->sec_ex
;
3562 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
, ssl_cipher_id
);