2 * ! \file ssl/ssl_lib.c \brief Version independent SSL functions.
4 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
7 * This package is an SSL implementation written
8 * by Eric Young (eay@cryptsoft.com).
9 * The implementation was written so as to conform with Netscapes SSL.
11 * This library is free for commercial and non-commercial use as long as
12 * the following conditions are aheared to. The following conditions
13 * apply to all code found in this distribution, be it the RC4, RSA,
14 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
15 * included with this distribution is covered by the same copyright terms
16 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
18 * Copyright remains Eric Young's, and as such any Copyright notices in
19 * the code are not to be removed.
20 * If this package is used in a product, Eric Young should be given attribution
21 * as the author of the parts of the library used.
22 * This can be in the form of a textual message at program startup or
23 * in documentation (online or textual) provided with the package.
25 * Redistribution and use in source and binary forms, with or without
26 * modification, are permitted provided that the following conditions
28 * 1. Redistributions of source code must retain the copyright
29 * notice, this list of conditions and the following disclaimer.
30 * 2. Redistributions in binary form must reproduce the above copyright
31 * notice, this list of conditions and the following disclaimer in the
32 * documentation and/or other materials provided with the distribution.
33 * 3. All advertising materials mentioning features or use of this software
34 * must display the following acknowledgement:
35 * "This product includes cryptographic software written by
36 * Eric Young (eay@cryptsoft.com)"
37 * The word 'cryptographic' can be left out if the rouines from the library
38 * being used are not cryptographic related :-).
39 * 4. If you include any Windows specific code (or a derivative thereof) from
40 * the apps directory (application code) you must include an acknowledgement:
41 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
43 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
46 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
49 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
52 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55 * The licence and distribution terms for any publically available version or
56 * derivative of this code cannot be changed. i.e. this code cannot simply be
57 * copied and put under another distribution licence
58 * [including the GNU Public Licence.]
60 /* ====================================================================
61 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
63 * Redistribution and use in source and binary forms, with or without
64 * modification, are permitted provided that the following conditions
67 * 1. Redistributions of source code must retain the above copyright
68 * notice, this list of conditions and the following disclaimer.
70 * 2. Redistributions in binary form must reproduce the above copyright
71 * notice, this list of conditions and the following disclaimer in
72 * the documentation and/or other materials provided with the
75 * 3. All advertising materials mentioning features or use of this
76 * software must display the following acknowledgment:
77 * "This product includes software developed by the OpenSSL Project
78 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
80 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
81 * endorse or promote products derived from this software without
82 * prior written permission. For written permission, please contact
83 * openssl-core@openssl.org.
85 * 5. Products derived from this software may not be called "OpenSSL"
86 * nor may "OpenSSL" appear in their names without prior written
87 * permission of the OpenSSL Project.
89 * 6. Redistributions of any form whatsoever must retain the following
91 * "This product includes software developed by the OpenSSL Project
92 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
94 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
95 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
96 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
97 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
98 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
99 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
100 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
101 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
102 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
103 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
104 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
105 * OF THE POSSIBILITY OF SUCH DAMAGE.
106 * ====================================================================
108 * This product includes cryptographic software written by Eric Young
109 * (eay@cryptsoft.com). This product includes software written by Tim
110 * Hudson (tjh@cryptsoft.com).
113 /* ====================================================================
114 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
115 * ECC cipher suite support in OpenSSL originally developed by
116 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
118 /* ====================================================================
119 * Copyright 2005 Nokia. All rights reserved.
121 * The portions of the attached software ("Contribution") is developed by
122 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
125 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
126 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
127 * support (see RFC 4279) to OpenSSL.
129 * No patent licenses or other rights except those expressly stated in
130 * the OpenSSL open source license shall be deemed granted or received
131 * expressly, by implication, estoppel, or otherwise.
133 * No assurances are provided by Nokia that the Contribution does not
134 * infringe the patent or other intellectual property rights of any third
135 * party or that the license provides you with all the necessary rights
136 * to make use of the Contribution.
138 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
139 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
140 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
141 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
149 #include "ssl_locl.h"
150 #include "kssl_lcl.h"
151 #include <openssl/objects.h>
152 #include <openssl/lhash.h>
153 #include <openssl/x509v3.h>
154 #include <openssl/rand.h>
155 #include <openssl/ocsp.h>
156 #ifndef OPENSSL_NO_DH
157 # include <openssl/dh.h>
159 #ifndef OPENSSL_NO_ENGINE
160 # include <openssl/engine.h>
163 const char *SSL_version_str
= OPENSSL_VERSION_TEXT
;
165 SSL3_ENC_METHOD ssl3_undef_enc_method
= {
167 * evil casts, but these functions are only called if there's a library
170 (int (*)(SSL
*, int))ssl_undefined_function
,
171 (int (*)(SSL
*, unsigned char *, int))ssl_undefined_function
,
172 ssl_undefined_function
,
173 (int (*)(SSL
*, unsigned char *, unsigned char *, int))
174 ssl_undefined_function
,
175 (int (*)(SSL
*, int))ssl_undefined_function
,
176 (int (*)(SSL
*, const char *, int, unsigned char *))
177 ssl_undefined_function
,
178 0, /* finish_mac_length */
179 (int (*)(SSL
*, int, unsigned char *))ssl_undefined_function
,
180 NULL
, /* client_finished_label */
181 0, /* client_finished_label_len */
182 NULL
, /* server_finished_label */
183 0, /* server_finished_label_len */
184 (int (*)(int))ssl_undefined_function
,
185 (int (*)(SSL
*, unsigned char *, size_t, const char *,
186 size_t, const unsigned char *, size_t,
187 int use_context
))ssl_undefined_function
,
190 int SSL_clear(SSL
*s
)
193 if (s
->method
== NULL
) {
194 SSLerr(SSL_F_SSL_CLEAR
, SSL_R_NO_METHOD_SPECIFIED
);
198 if (ssl_clear_bad_session(s
)) {
199 SSL_SESSION_free(s
->session
);
209 * Disabled since version 1.10 of this file (early return not
210 * needed because SSL_clear is not called when doing renegotiation)
213 * This is set if we are doing dynamic renegotiation so keep
214 * the old cipher. It is sort of a SSL_clear_lite :-)
219 if (s
->renegotiate
) {
220 SSLerr(SSL_F_SSL_CLEAR
, ERR_R_INTERNAL_ERROR
);
227 s
->state
= SSL_ST_BEFORE
| ((s
->server
) ? SSL_ST_ACCEPT
: SSL_ST_CONNECT
);
229 s
->version
= s
->method
->version
;
230 s
->client_version
= s
->version
;
231 s
->rwstate
= SSL_NOTHING
;
232 s
->rstate
= SSL_ST_READ_HEADER
;
234 s
->read_ahead
= s
->ctx
->read_ahead
;
237 if (s
->init_buf
!= NULL
) {
238 BUF_MEM_free(s
->init_buf
);
242 ssl_clear_cipher_ctx(s
);
243 ssl_clear_hash_ctx(&s
->read_hash
);
244 ssl_clear_hash_ctx(&s
->write_hash
);
249 * Check to see if we were changed into a different method, if so, revert
250 * back if we are not doing session-id reuse.
252 if (!s
->in_handshake
&& (s
->session
== NULL
)
253 && (s
->method
!= s
->ctx
->method
)) {
254 s
->method
->ssl_free(s
);
255 s
->method
= s
->ctx
->method
;
256 if (!s
->method
->ssl_new(s
))
259 s
->method
->ssl_clear(s
);
263 /** Used to change an SSL_CTXs default SSL method type */
264 int SSL_CTX_set_ssl_version(SSL_CTX
*ctx
, const SSL_METHOD
*meth
)
266 STACK_OF(SSL_CIPHER
) *sk
;
270 sk
= ssl_create_cipher_list(ctx
->method
, &(ctx
->cipher_list
),
271 &(ctx
->cipher_list_by_id
),
272 SSL_DEFAULT_CIPHER_LIST
, ctx
->cert
);
273 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= 0)) {
274 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION
,
275 SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS
);
281 SSL
*SSL_new(SSL_CTX
*ctx
)
286 SSLerr(SSL_F_SSL_NEW
, SSL_R_NULL_SSL_CTX
);
289 if (ctx
->method
== NULL
) {
290 SSLerr(SSL_F_SSL_NEW
, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION
);
294 s
= (SSL
*)OPENSSL_malloc(sizeof(SSL
));
297 memset(s
, 0, sizeof(SSL
));
299 #ifndef OPENSSL_NO_KRB5
300 s
->kssl_ctx
= kssl_ctx_new();
301 #endif /* OPENSSL_NO_KRB5 */
303 s
->options
= ctx
->options
;
305 s
->max_cert_list
= ctx
->max_cert_list
;
307 if (ctx
->cert
!= NULL
) {
309 * Earlier library versions used to copy the pointer to the CERT, not
310 * its contents; only when setting new parameters for the per-SSL
311 * copy, ssl_cert_new would be called (and the direct reference to
312 * the per-SSL_CTX settings would be lost, but those still were
313 * indirectly accessed for various purposes, and for that reason they
314 * used to be known as s->ctx->default_cert). Now we don't look at the
315 * SSL_CTX's CERT after having duplicated it once.
318 s
->cert
= ssl_cert_dup(ctx
->cert
);
322 s
->cert
= NULL
; /* Cannot really happen (see SSL_CTX_new) */
324 s
->read_ahead
= ctx
->read_ahead
;
325 s
->msg_callback
= ctx
->msg_callback
;
326 s
->msg_callback_arg
= ctx
->msg_callback_arg
;
327 s
->verify_mode
= ctx
->verify_mode
;
328 s
->not_resumable_session_cb
= ctx
->not_resumable_session_cb
;
330 s
->verify_depth
= ctx
->verify_depth
;
332 s
->sid_ctx_length
= ctx
->sid_ctx_length
;
333 OPENSSL_assert(s
->sid_ctx_length
<= sizeof s
->sid_ctx
);
334 memcpy(&s
->sid_ctx
, &ctx
->sid_ctx
, sizeof(s
->sid_ctx
));
335 s
->verify_callback
= ctx
->default_verify_callback
;
336 s
->generate_session_id
= ctx
->generate_session_id
;
338 s
->param
= X509_VERIFY_PARAM_new();
341 X509_VERIFY_PARAM_inherit(s
->param
, ctx
->param
);
343 s
->purpose
= ctx
->purpose
;
344 s
->trust
= ctx
->trust
;
346 s
->quiet_shutdown
= ctx
->quiet_shutdown
;
347 s
->max_send_fragment
= ctx
->max_send_fragment
;
349 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
351 #ifndef OPENSSL_NO_TLSEXT
352 s
->tlsext_debug_cb
= 0;
353 s
->tlsext_debug_arg
= NULL
;
354 s
->tlsext_ticket_expected
= 0;
355 s
->tlsext_status_type
= -1;
356 s
->tlsext_status_expected
= 0;
357 s
->tlsext_ocsp_ids
= NULL
;
358 s
->tlsext_ocsp_exts
= NULL
;
359 s
->tlsext_ocsp_resp
= NULL
;
360 s
->tlsext_ocsp_resplen
= -1;
361 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
362 s
->initial_ctx
= ctx
;
363 # ifndef OPENSSL_NO_EC
364 if (ctx
->tlsext_ecpointformatlist
) {
365 s
->tlsext_ecpointformatlist
=
366 BUF_memdup(ctx
->tlsext_ecpointformatlist
,
367 ctx
->tlsext_ecpointformatlist_length
);
368 if (!s
->tlsext_ecpointformatlist
)
370 s
->tlsext_ecpointformatlist_length
=
371 ctx
->tlsext_ecpointformatlist_length
;
373 if (ctx
->tlsext_ellipticcurvelist
) {
374 s
->tlsext_ellipticcurvelist
=
375 BUF_memdup(ctx
->tlsext_ellipticcurvelist
,
376 ctx
->tlsext_ellipticcurvelist_length
);
377 if (!s
->tlsext_ellipticcurvelist
)
379 s
->tlsext_ellipticcurvelist_length
=
380 ctx
->tlsext_ellipticcurvelist_length
;
383 # ifndef OPENSSL_NO_NEXTPROTONEG
384 s
->next_proto_negotiated
= NULL
;
387 if (s
->ctx
->alpn_client_proto_list
) {
388 s
->alpn_client_proto_list
=
389 OPENSSL_malloc(s
->ctx
->alpn_client_proto_list_len
);
390 if (s
->alpn_client_proto_list
== NULL
)
392 memcpy(s
->alpn_client_proto_list
, s
->ctx
->alpn_client_proto_list
,
393 s
->ctx
->alpn_client_proto_list_len
);
394 s
->alpn_client_proto_list_len
= s
->ctx
->alpn_client_proto_list_len
;
398 s
->verify_result
= X509_V_OK
;
400 s
->method
= ctx
->method
;
402 if (!s
->method
->ssl_new(s
))
406 s
->server
= (ctx
->method
->ssl_accept
== ssl_undefined_function
) ? 0 : 1;
410 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
412 #ifndef OPENSSL_NO_PSK
413 s
->psk_client_callback
= ctx
->psk_client_callback
;
414 s
->psk_server_callback
= ctx
->psk_server_callback
;
421 SSLerr(SSL_F_SSL_NEW
, ERR_R_MALLOC_FAILURE
);
425 int SSL_CTX_set_session_id_context(SSL_CTX
*ctx
, const unsigned char *sid_ctx
,
426 unsigned int sid_ctx_len
)
428 if (sid_ctx_len
> sizeof ctx
->sid_ctx
) {
429 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT
,
430 SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
433 ctx
->sid_ctx_length
= sid_ctx_len
;
434 memcpy(ctx
->sid_ctx
, sid_ctx
, sid_ctx_len
);
439 int SSL_set_session_id_context(SSL
*ssl
, const unsigned char *sid_ctx
,
440 unsigned int sid_ctx_len
)
442 if (sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
) {
443 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT
,
444 SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
447 ssl
->sid_ctx_length
= sid_ctx_len
;
448 memcpy(ssl
->sid_ctx
, sid_ctx
, sid_ctx_len
);
453 int SSL_CTX_set_generate_session_id(SSL_CTX
*ctx
, GEN_SESSION_CB cb
)
455 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX
);
456 ctx
->generate_session_id
= cb
;
457 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX
);
461 int SSL_set_generate_session_id(SSL
*ssl
, GEN_SESSION_CB cb
)
463 CRYPTO_w_lock(CRYPTO_LOCK_SSL
);
464 ssl
->generate_session_id
= cb
;
465 CRYPTO_w_unlock(CRYPTO_LOCK_SSL
);
469 int SSL_has_matching_session_id(const SSL
*ssl
, const unsigned char *id
,
473 * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
474 * we can "construct" a session to give us the desired check - ie. to
475 * find if there's a session in the hash table that would conflict with
476 * any new session built out of this id/id_len and the ssl_version in use
481 if (id_len
> sizeof r
.session_id
)
484 r
.ssl_version
= ssl
->version
;
485 r
.session_id_length
= id_len
;
486 memcpy(r
.session_id
, id
, id_len
);
488 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX
);
489 p
= lh_SSL_SESSION_retrieve(ssl
->ctx
->sessions
, &r
);
490 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX
);
494 int SSL_CTX_set_purpose(SSL_CTX
*s
, int purpose
)
496 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
499 int SSL_set_purpose(SSL
*s
, int purpose
)
501 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
504 int SSL_CTX_set_trust(SSL_CTX
*s
, int trust
)
506 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
509 int SSL_set_trust(SSL
*s
, int trust
)
511 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
514 int SSL_CTX_set1_param(SSL_CTX
*ctx
, X509_VERIFY_PARAM
*vpm
)
516 return X509_VERIFY_PARAM_set1(ctx
->param
, vpm
);
519 int SSL_set1_param(SSL
*ssl
, X509_VERIFY_PARAM
*vpm
)
521 return X509_VERIFY_PARAM_set1(ssl
->param
, vpm
);
524 X509_VERIFY_PARAM
*SSL_CTX_get0_param(SSL_CTX
*ctx
)
529 X509_VERIFY_PARAM
*SSL_get0_param(SSL
*ssl
)
534 void SSL_certs_clear(SSL
*s
)
536 ssl_cert_clear_certs(s
->cert
);
539 void SSL_free(SSL
*s
)
546 i
= CRYPTO_add(&s
->references
, -1, CRYPTO_LOCK_SSL
);
554 fprintf(stderr
, "SSL_free, bad reference count\n");
560 X509_VERIFY_PARAM_free(s
->param
);
562 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
564 if (s
->bbio
!= NULL
) {
565 /* If the buffering BIO is in place, pop it off */
566 if (s
->bbio
== s
->wbio
) {
567 s
->wbio
= BIO_pop(s
->wbio
);
573 BIO_free_all(s
->rbio
);
574 if ((s
->wbio
!= NULL
) && (s
->wbio
!= s
->rbio
))
575 BIO_free_all(s
->wbio
);
577 if (s
->init_buf
!= NULL
)
578 BUF_MEM_free(s
->init_buf
);
580 /* add extra stuff */
581 if (s
->cipher_list
!= NULL
)
582 sk_SSL_CIPHER_free(s
->cipher_list
);
583 if (s
->cipher_list_by_id
!= NULL
)
584 sk_SSL_CIPHER_free(s
->cipher_list_by_id
);
586 /* Make the next call work :-) */
587 if (s
->session
!= NULL
) {
588 ssl_clear_bad_session(s
);
589 SSL_SESSION_free(s
->session
);
592 ssl_clear_cipher_ctx(s
);
593 ssl_clear_hash_ctx(&s
->read_hash
);
594 ssl_clear_hash_ctx(&s
->write_hash
);
597 ssl_cert_free(s
->cert
);
598 /* Free up if allocated */
600 #ifndef OPENSSL_NO_TLSEXT
601 if (s
->tlsext_hostname
)
602 OPENSSL_free(s
->tlsext_hostname
);
604 SSL_CTX_free(s
->initial_ctx
);
605 # ifndef OPENSSL_NO_EC
606 if (s
->tlsext_ecpointformatlist
)
607 OPENSSL_free(s
->tlsext_ecpointformatlist
);
608 if (s
->tlsext_ellipticcurvelist
)
609 OPENSSL_free(s
->tlsext_ellipticcurvelist
);
610 # endif /* OPENSSL_NO_EC */
611 if (s
->tlsext_ocsp_exts
)
612 sk_X509_EXTENSION_pop_free(s
->tlsext_ocsp_exts
, X509_EXTENSION_free
);
613 if (s
->tlsext_ocsp_ids
)
614 sk_OCSP_RESPID_pop_free(s
->tlsext_ocsp_ids
, OCSP_RESPID_free
);
615 if (s
->tlsext_ocsp_resp
)
616 OPENSSL_free(s
->tlsext_ocsp_resp
);
617 if (s
->alpn_client_proto_list
)
618 OPENSSL_free(s
->alpn_client_proto_list
);
621 if (s
->client_CA
!= NULL
)
622 sk_X509_NAME_pop_free(s
->client_CA
, X509_NAME_free
);
624 if (s
->method
!= NULL
)
625 s
->method
->ssl_free(s
);
628 SSL_CTX_free(s
->ctx
);
630 #ifndef OPENSSL_NO_KRB5
631 if (s
->kssl_ctx
!= NULL
)
632 kssl_ctx_free(s
->kssl_ctx
);
633 #endif /* OPENSSL_NO_KRB5 */
635 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
636 if (s
->next_proto_negotiated
)
637 OPENSSL_free(s
->next_proto_negotiated
);
640 #ifndef OPENSSL_NO_SRTP
641 if (s
->srtp_profiles
)
642 sk_SRTP_PROTECTION_PROFILE_free(s
->srtp_profiles
);
648 void SSL_set_bio(SSL
*s
, BIO
*rbio
, BIO
*wbio
)
651 * If the output buffering BIO is still in place, remove it
653 if (s
->bbio
!= NULL
) {
654 if (s
->wbio
== s
->bbio
) {
655 s
->wbio
= s
->wbio
->next_bio
;
656 s
->bbio
->next_bio
= NULL
;
659 if ((s
->rbio
!= NULL
) && (s
->rbio
!= rbio
))
660 BIO_free_all(s
->rbio
);
661 if ((s
->wbio
!= NULL
) && (s
->wbio
!= wbio
) && (s
->rbio
!= s
->wbio
))
662 BIO_free_all(s
->wbio
);
667 BIO
*SSL_get_rbio(const SSL
*s
)
672 BIO
*SSL_get_wbio(const SSL
*s
)
677 int SSL_get_fd(const SSL
*s
)
679 return (SSL_get_rfd(s
));
682 int SSL_get_rfd(const SSL
*s
)
688 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
694 int SSL_get_wfd(const SSL
*s
)
700 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
706 #ifndef OPENSSL_NO_SOCK
707 int SSL_set_fd(SSL
*s
, int fd
)
712 bio
= BIO_new(BIO_s_socket());
715 SSLerr(SSL_F_SSL_SET_FD
, ERR_R_BUF_LIB
);
718 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
719 SSL_set_bio(s
, bio
, bio
);
725 int SSL_set_wfd(SSL
*s
, int fd
)
730 if ((s
->rbio
== NULL
) || (BIO_method_type(s
->rbio
) != BIO_TYPE_SOCKET
)
731 || ((int)BIO_get_fd(s
->rbio
, NULL
) != fd
)) {
732 bio
= BIO_new(BIO_s_socket());
735 SSLerr(SSL_F_SSL_SET_WFD
, ERR_R_BUF_LIB
);
738 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
739 SSL_set_bio(s
, SSL_get_rbio(s
), bio
);
741 SSL_set_bio(s
, SSL_get_rbio(s
), SSL_get_rbio(s
));
747 int SSL_set_rfd(SSL
*s
, int fd
)
752 if ((s
->wbio
== NULL
) || (BIO_method_type(s
->wbio
) != BIO_TYPE_SOCKET
)
753 || ((int)BIO_get_fd(s
->wbio
, NULL
) != fd
)) {
754 bio
= BIO_new(BIO_s_socket());
757 SSLerr(SSL_F_SSL_SET_RFD
, ERR_R_BUF_LIB
);
760 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
761 SSL_set_bio(s
, bio
, SSL_get_wbio(s
));
763 SSL_set_bio(s
, SSL_get_wbio(s
), SSL_get_wbio(s
));
770 /* return length of latest Finished message we sent, copy to 'buf' */
771 size_t SSL_get_finished(const SSL
*s
, void *buf
, size_t count
)
776 ret
= s
->s3
->tmp
.finish_md_len
;
779 memcpy(buf
, s
->s3
->tmp
.finish_md
, count
);
784 /* return length of latest Finished message we expected, copy to 'buf' */
785 size_t SSL_get_peer_finished(const SSL
*s
, void *buf
, size_t count
)
790 ret
= s
->s3
->tmp
.peer_finish_md_len
;
793 memcpy(buf
, s
->s3
->tmp
.peer_finish_md
, count
);
798 int SSL_get_verify_mode(const SSL
*s
)
800 return (s
->verify_mode
);
803 int SSL_get_verify_depth(const SSL
*s
)
805 return X509_VERIFY_PARAM_get_depth(s
->param
);
808 int (*SSL_get_verify_callback(const SSL
*s
)) (int, X509_STORE_CTX
*) {
809 return (s
->verify_callback
);
812 int SSL_CTX_get_verify_mode(const SSL_CTX
*ctx
)
814 return (ctx
->verify_mode
);
817 int SSL_CTX_get_verify_depth(const SSL_CTX
*ctx
)
819 return X509_VERIFY_PARAM_get_depth(ctx
->param
);
822 int (*SSL_CTX_get_verify_callback(const SSL_CTX
*ctx
)) (int, X509_STORE_CTX
*) {
823 return (ctx
->default_verify_callback
);
826 void SSL_set_verify(SSL
*s
, int mode
,
827 int (*callback
) (int ok
, X509_STORE_CTX
*ctx
))
829 s
->verify_mode
= mode
;
830 if (callback
!= NULL
)
831 s
->verify_callback
= callback
;
834 void SSL_set_verify_depth(SSL
*s
, int depth
)
836 X509_VERIFY_PARAM_set_depth(s
->param
, depth
);
839 void SSL_set_read_ahead(SSL
*s
, int yes
)
844 int SSL_get_read_ahead(const SSL
*s
)
846 return (s
->read_ahead
);
849 int SSL_pending(const SSL
*s
)
852 * SSL_pending cannot work properly if read-ahead is enabled
853 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is
854 * impossible to fix since SSL_pending cannot report errors that may be
855 * observed while scanning the new data. (Note that SSL_pending() is
856 * often used as a boolean value, so we'd better not return -1.)
858 return (s
->method
->ssl_pending(s
));
861 X509
*SSL_get_peer_certificate(const SSL
*s
)
865 if ((s
== NULL
) || (s
->session
== NULL
))
868 r
= s
->session
->peer
;
873 CRYPTO_add(&r
->references
, 1, CRYPTO_LOCK_X509
);
878 STACK_OF(X509
) *SSL_get_peer_cert_chain(const SSL
*s
)
882 if ((s
== NULL
) || (s
->session
== NULL
)
883 || (s
->session
->sess_cert
== NULL
))
886 r
= s
->session
->sess_cert
->cert_chain
;
889 * If we are a client, cert_chain includes the peer's own certificate; if
890 * we are a server, it does not.
897 * Now in theory, since the calling process own 't' it should be safe to
898 * modify. We need to be able to read f without being hassled
900 void SSL_copy_session_id(SSL
*t
, const SSL
*f
)
904 /* Do we need to to SSL locking? */
905 SSL_set_session(t
, SSL_get_session(f
));
908 * what if we are setup as SSLv2 but want to talk SSLv3 or vice-versa
910 if (t
->method
!= f
->method
) {
911 t
->method
->ssl_free(t
); /* cleanup current */
912 t
->method
= f
->method
; /* change method */
913 t
->method
->ssl_new(t
); /* setup new */
917 if (f
->cert
!= NULL
) {
918 CRYPTO_add(&f
->cert
->references
, 1, CRYPTO_LOCK_SSL_CERT
);
924 SSL_set_session_id_context(t
, f
->sid_ctx
, f
->sid_ctx_length
);
927 /* Fix this so it checks all the valid key/cert options */
928 int SSL_CTX_check_private_key(const SSL_CTX
*ctx
)
931 (ctx
->cert
== NULL
) || (ctx
->cert
->key
->x509
== NULL
)) {
932 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,
933 SSL_R_NO_CERTIFICATE_ASSIGNED
);
936 if (ctx
->cert
->key
->privatekey
== NULL
) {
937 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY
,
938 SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
941 return (X509_check_private_key
942 (ctx
->cert
->key
->x509
, ctx
->cert
->key
->privatekey
));
945 /* Fix this function so that it takes an optional type parameter */
946 int SSL_check_private_key(const SSL
*ssl
)
949 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, ERR_R_PASSED_NULL_PARAMETER
);
952 if (ssl
->cert
== NULL
) {
953 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, SSL_R_NO_CERTIFICATE_ASSIGNED
);
956 if (ssl
->cert
->key
->x509
== NULL
) {
957 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, SSL_R_NO_CERTIFICATE_ASSIGNED
);
960 if (ssl
->cert
->key
->privatekey
== NULL
) {
961 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY
, SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
964 return (X509_check_private_key(ssl
->cert
->key
->x509
,
965 ssl
->cert
->key
->privatekey
));
968 int SSL_accept(SSL
*s
)
970 if (s
->handshake_func
== 0)
971 /* Not properly initialized yet */
972 SSL_set_accept_state(s
);
974 return (s
->method
->ssl_accept(s
));
977 int SSL_connect(SSL
*s
)
979 if (s
->handshake_func
== 0)
980 /* Not properly initialized yet */
981 SSL_set_connect_state(s
);
983 return (s
->method
->ssl_connect(s
));
986 long SSL_get_default_timeout(const SSL
*s
)
988 return (s
->method
->get_timeout());
991 int SSL_read(SSL
*s
, void *buf
, int num
)
993 if (s
->handshake_func
== 0) {
994 SSLerr(SSL_F_SSL_READ
, SSL_R_UNINITIALIZED
);
998 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
999 s
->rwstate
= SSL_NOTHING
;
1002 return (s
->method
->ssl_read(s
, buf
, num
));
1005 int SSL_peek(SSL
*s
, void *buf
, int num
)
1007 if (s
->handshake_func
== 0) {
1008 SSLerr(SSL_F_SSL_PEEK
, SSL_R_UNINITIALIZED
);
1012 if (s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
1015 return (s
->method
->ssl_peek(s
, buf
, num
));
1018 int SSL_write(SSL
*s
, const void *buf
, int num
)
1020 if (s
->handshake_func
== 0) {
1021 SSLerr(SSL_F_SSL_WRITE
, SSL_R_UNINITIALIZED
);
1025 if (s
->shutdown
& SSL_SENT_SHUTDOWN
) {
1026 s
->rwstate
= SSL_NOTHING
;
1027 SSLerr(SSL_F_SSL_WRITE
, SSL_R_PROTOCOL_IS_SHUTDOWN
);
1030 return (s
->method
->ssl_write(s
, buf
, num
));
1033 int SSL_shutdown(SSL
*s
)
1036 * Note that this function behaves differently from what one might
1037 * expect. Return values are 0 for no success (yet), 1 for success; but
1038 * calling it once is usually not enough, even if blocking I/O is used
1039 * (see ssl3_shutdown).
1042 if (s
->handshake_func
== 0) {
1043 SSLerr(SSL_F_SSL_SHUTDOWN
, SSL_R_UNINITIALIZED
);
1047 if ((s
!= NULL
) && !SSL_in_init(s
))
1048 return (s
->method
->ssl_shutdown(s
));
1053 int SSL_renegotiate(SSL
*s
)
1055 if (s
->renegotiate
== 0)
1060 return (s
->method
->ssl_renegotiate(s
));
1063 int SSL_renegotiate_abbreviated(SSL
*s
)
1065 if (s
->renegotiate
== 0)
1070 return (s
->method
->ssl_renegotiate(s
));
1073 int SSL_renegotiate_pending(SSL
*s
)
1076 * becomes true when negotiation is requested; false again once a
1077 * handshake has finished
1079 return (s
->renegotiate
!= 0);
1082 long SSL_ctrl(SSL
*s
, int cmd
, long larg
, void *parg
)
1087 case SSL_CTRL_GET_READ_AHEAD
:
1088 return (s
->read_ahead
);
1089 case SSL_CTRL_SET_READ_AHEAD
:
1091 s
->read_ahead
= larg
;
1094 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1095 s
->msg_callback_arg
= parg
;
1098 case SSL_CTRL_OPTIONS
:
1099 return (s
->options
|= larg
);
1100 case SSL_CTRL_CLEAR_OPTIONS
:
1101 return (s
->options
&= ~larg
);
1103 return (s
->mode
|= larg
);
1104 case SSL_CTRL_CLEAR_MODE
:
1105 return (s
->mode
&= ~larg
);
1106 case SSL_CTRL_GET_MAX_CERT_LIST
:
1107 return (s
->max_cert_list
);
1108 case SSL_CTRL_SET_MAX_CERT_LIST
:
1109 l
= s
->max_cert_list
;
1110 s
->max_cert_list
= larg
;
1112 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1113 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1115 s
->max_send_fragment
= larg
;
1117 case SSL_CTRL_GET_RI_SUPPORT
:
1119 return s
->s3
->send_connection_binding
;
1122 case SSL_CTRL_CERT_FLAGS
:
1123 return (s
->cert
->cert_flags
|= larg
);
1124 case SSL_CTRL_CLEAR_CERT_FLAGS
:
1125 return (s
->cert
->cert_flags
&= ~larg
);
1127 case SSL_CTRL_GET_RAW_CIPHERLIST
:
1129 if (s
->cert
->ciphers_raw
== NULL
)
1131 *(unsigned char **)parg
= s
->cert
->ciphers_raw
;
1132 return (int)s
->cert
->ciphers_rawlen
;
1134 return ssl_put_cipher_by_char(s
, NULL
, NULL
);
1135 case SSL_CTRL_GET_EXTMS_SUPPORT
:
1136 if (!s
->session
|| SSL_in_init(s
) || s
->in_handshake
)
1138 if (s
->session
->flags
& SSL_SESS_FLAG_EXTMS
)
1143 return (s
->method
->ssl_ctrl(s
, cmd
, larg
, parg
));
1147 long SSL_callback_ctrl(SSL
*s
, int cmd
, void (*fp
) (void))
1150 case SSL_CTRL_SET_MSG_CALLBACK
:
1151 s
->msg_callback
= (void (*)
1152 (int write_p
, int version
, int content_type
,
1153 const void *buf
, size_t len
, SSL
*ssl
,
1158 return (s
->method
->ssl_callback_ctrl(s
, cmd
, fp
));
1162 LHASH_OF(SSL_SESSION
) *SSL_CTX_sessions(SSL_CTX
*ctx
)
1164 return ctx
->sessions
;
1167 long SSL_CTX_ctrl(SSL_CTX
*ctx
, int cmd
, long larg
, void *parg
)
1170 /* For some cases with ctx == NULL perform syntax checks */
1173 #ifndef OPENSSL_NO_EC
1174 case SSL_CTRL_SET_CURVES_LIST
:
1175 return tls1_set_curves_list(NULL
, NULL
, parg
);
1177 case SSL_CTRL_SET_SIGALGS_LIST
:
1178 case SSL_CTRL_SET_CLIENT_SIGALGS_LIST
:
1179 return tls1_set_sigalgs_list(NULL
, parg
, 0);
1186 case SSL_CTRL_GET_READ_AHEAD
:
1187 return (ctx
->read_ahead
);
1188 case SSL_CTRL_SET_READ_AHEAD
:
1189 l
= ctx
->read_ahead
;
1190 ctx
->read_ahead
= larg
;
1193 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
1194 ctx
->msg_callback_arg
= parg
;
1197 case SSL_CTRL_GET_MAX_CERT_LIST
:
1198 return (ctx
->max_cert_list
);
1199 case SSL_CTRL_SET_MAX_CERT_LIST
:
1200 l
= ctx
->max_cert_list
;
1201 ctx
->max_cert_list
= larg
;
1204 case SSL_CTRL_SET_SESS_CACHE_SIZE
:
1205 l
= ctx
->session_cache_size
;
1206 ctx
->session_cache_size
= larg
;
1208 case SSL_CTRL_GET_SESS_CACHE_SIZE
:
1209 return (ctx
->session_cache_size
);
1210 case SSL_CTRL_SET_SESS_CACHE_MODE
:
1211 l
= ctx
->session_cache_mode
;
1212 ctx
->session_cache_mode
= larg
;
1214 case SSL_CTRL_GET_SESS_CACHE_MODE
:
1215 return (ctx
->session_cache_mode
);
1217 case SSL_CTRL_SESS_NUMBER
:
1218 return (lh_SSL_SESSION_num_items(ctx
->sessions
));
1219 case SSL_CTRL_SESS_CONNECT
:
1220 return (ctx
->stats
.sess_connect
);
1221 case SSL_CTRL_SESS_CONNECT_GOOD
:
1222 return (ctx
->stats
.sess_connect_good
);
1223 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE
:
1224 return (ctx
->stats
.sess_connect_renegotiate
);
1225 case SSL_CTRL_SESS_ACCEPT
:
1226 return (ctx
->stats
.sess_accept
);
1227 case SSL_CTRL_SESS_ACCEPT_GOOD
:
1228 return (ctx
->stats
.sess_accept_good
);
1229 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE
:
1230 return (ctx
->stats
.sess_accept_renegotiate
);
1231 case SSL_CTRL_SESS_HIT
:
1232 return (ctx
->stats
.sess_hit
);
1233 case SSL_CTRL_SESS_CB_HIT
:
1234 return (ctx
->stats
.sess_cb_hit
);
1235 case SSL_CTRL_SESS_MISSES
:
1236 return (ctx
->stats
.sess_miss
);
1237 case SSL_CTRL_SESS_TIMEOUTS
:
1238 return (ctx
->stats
.sess_timeout
);
1239 case SSL_CTRL_SESS_CACHE_FULL
:
1240 return (ctx
->stats
.sess_cache_full
);
1241 case SSL_CTRL_OPTIONS
:
1242 return (ctx
->options
|= larg
);
1243 case SSL_CTRL_CLEAR_OPTIONS
:
1244 return (ctx
->options
&= ~larg
);
1246 return (ctx
->mode
|= larg
);
1247 case SSL_CTRL_CLEAR_MODE
:
1248 return (ctx
->mode
&= ~larg
);
1249 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
1250 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
1252 ctx
->max_send_fragment
= larg
;
1254 case SSL_CTRL_CERT_FLAGS
:
1255 return (ctx
->cert
->cert_flags
|= larg
);
1256 case SSL_CTRL_CLEAR_CERT_FLAGS
:
1257 return (ctx
->cert
->cert_flags
&= ~larg
);
1259 return (ctx
->method
->ssl_ctx_ctrl(ctx
, cmd
, larg
, parg
));
1263 long SSL_CTX_callback_ctrl(SSL_CTX
*ctx
, int cmd
, void (*fp
) (void))
1266 case SSL_CTRL_SET_MSG_CALLBACK
:
1267 ctx
->msg_callback
= (void (*)
1268 (int write_p
, int version
, int content_type
,
1269 const void *buf
, size_t len
, SSL
*ssl
,
1274 return (ctx
->method
->ssl_ctx_callback_ctrl(ctx
, cmd
, fp
));
1278 int ssl_cipher_id_cmp(const SSL_CIPHER
*a
, const SSL_CIPHER
*b
)
1286 return ((l
> 0) ? 1 : -1);
1289 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
*const *ap
,
1290 const SSL_CIPHER
*const *bp
)
1294 l
= (*ap
)->id
- (*bp
)->id
;
1298 return ((l
> 0) ? 1 : -1);
1301 /** return a STACK of the ciphers available for the SSL and in order of
1303 STACK_OF(SSL_CIPHER
) *SSL_get_ciphers(const SSL
*s
)
1306 if (s
->cipher_list
!= NULL
) {
1307 return (s
->cipher_list
);
1308 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list
!= NULL
)) {
1309 return (s
->ctx
->cipher_list
);
1315 STACK_OF(SSL_CIPHER
) *SSL_get1_supported_ciphers(SSL
*s
)
1317 STACK_OF(SSL_CIPHER
) *sk
= NULL
, *ciphers
;
1319 ciphers
= SSL_get_ciphers(s
);
1322 ssl_set_client_disabled(s
);
1323 for (i
= 0; i
< sk_SSL_CIPHER_num(ciphers
); i
++) {
1324 const SSL_CIPHER
*c
= sk_SSL_CIPHER_value(ciphers
, i
);
1325 if (!ssl_cipher_disabled(s
, c
, SSL_SECOP_CIPHER_SUPPORTED
)) {
1327 sk
= sk_SSL_CIPHER_new_null();
1330 if (!sk_SSL_CIPHER_push(sk
, c
)) {
1331 sk_SSL_CIPHER_free(sk
);
1339 /** return a STACK of the ciphers available for the SSL and in order of
1341 STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL
*s
)
1344 if (s
->cipher_list_by_id
!= NULL
) {
1345 return (s
->cipher_list_by_id
);
1346 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list_by_id
!= NULL
)) {
1347 return (s
->ctx
->cipher_list_by_id
);
1353 /** The old interface to get the same thing as SSL_get_ciphers() */
1354 const char *SSL_get_cipher_list(const SSL
*s
, int n
)
1357 STACK_OF(SSL_CIPHER
) *sk
;
1361 sk
= SSL_get_ciphers(s
);
1362 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= n
))
1364 c
= sk_SSL_CIPHER_value(sk
, n
);
1370 /** specify the ciphers to be used by default by the SSL_CTX */
1371 int SSL_CTX_set_cipher_list(SSL_CTX
*ctx
, const char *str
)
1373 STACK_OF(SSL_CIPHER
) *sk
;
1375 sk
= ssl_create_cipher_list(ctx
->method
, &ctx
->cipher_list
,
1376 &ctx
->cipher_list_by_id
, str
, ctx
->cert
);
1378 * ssl_create_cipher_list may return an empty stack if it was unable to
1379 * find a cipher matching the given rule string (for example if the rule
1380 * string specifies a cipher which has been disabled). This is not an
1381 * error as far as ssl_create_cipher_list is concerned, and hence
1382 * ctx->cipher_list and ctx->cipher_list_by_id has been updated.
1386 else if (sk_SSL_CIPHER_num(sk
) == 0) {
1387 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1393 /** specify the ciphers to be used by the SSL */
1394 int SSL_set_cipher_list(SSL
*s
, const char *str
)
1396 STACK_OF(SSL_CIPHER
) *sk
;
1398 sk
= ssl_create_cipher_list(s
->ctx
->method
, &s
->cipher_list
,
1399 &s
->cipher_list_by_id
, str
, s
->cert
);
1400 /* see comment in SSL_CTX_set_cipher_list */
1403 else if (sk_SSL_CIPHER_num(sk
) == 0) {
1404 SSLerr(SSL_F_SSL_SET_CIPHER_LIST
, SSL_R_NO_CIPHER_MATCH
);
1410 /* works well for SSLv2, not so good for SSLv3 */
1411 char *SSL_get_shared_ciphers(const SSL
*s
, char *buf
, int len
)
1414 STACK_OF(SSL_CIPHER
) *sk
;
1418 if ((s
->session
== NULL
) || (s
->session
->ciphers
== NULL
) || (len
< 2))
1422 sk
= s
->session
->ciphers
;
1424 if (sk_SSL_CIPHER_num(sk
) == 0)
1427 for (i
= 0; i
< sk_SSL_CIPHER_num(sk
); i
++) {
1430 c
= sk_SSL_CIPHER_value(sk
, i
);
1431 n
= strlen(c
->name
);
1447 int ssl_cipher_list_to_bytes(SSL
*s
, STACK_OF(SSL_CIPHER
) *sk
,
1449 int (*put_cb
) (const SSL_CIPHER
*,
1455 int empty_reneg_info_scsv
= !s
->renegotiate
;
1456 /* Set disabled masks for this session */
1457 ssl_set_client_disabled(s
);
1463 put_cb
= s
->method
->put_cipher_by_char
;
1465 for (i
= 0; i
< sk_SSL_CIPHER_num(sk
); i
++) {
1466 c
= sk_SSL_CIPHER_value(sk
, i
);
1467 /* Skip disabled ciphers */
1468 if (ssl_cipher_disabled(s
, c
, SSL_SECOP_CIPHER_SUPPORTED
))
1470 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1471 if (c
->id
== SSL3_CK_SCSV
) {
1472 if (!empty_reneg_info_scsv
)
1475 empty_reneg_info_scsv
= 0;
1482 * If p == q, no ciphers; caller indicates an error. Otherwise, add
1486 if (empty_reneg_info_scsv
) {
1487 static SSL_CIPHER scsv
= {
1488 0, NULL
, SSL3_CK_SCSV
, 0, 0, 0, 0, 0, 0, 0, 0, 0
1490 j
= put_cb(&scsv
, p
);
1492 #ifdef OPENSSL_RI_DEBUG
1494 "TLS_EMPTY_RENEGOTIATION_INFO_SCSV sent by client\n");
1497 if (s
->mode
& SSL_MODE_SEND_FALLBACK_SCSV
) {
1498 static SSL_CIPHER scsv
= {
1499 0, NULL
, SSL3_CK_FALLBACK_SCSV
, 0, 0, 0, 0, 0, 0, 0, 0, 0
1501 j
= put_cb(&scsv
, p
);
1509 STACK_OF(SSL_CIPHER
) *ssl_bytes_to_cipher_list(SSL
*s
, unsigned char *p
,
1511 STACK_OF(SSL_CIPHER
) **skp
)
1513 const SSL_CIPHER
*c
;
1514 STACK_OF(SSL_CIPHER
) *sk
;
1518 s
->s3
->send_connection_binding
= 0;
1520 n
= ssl_put_cipher_by_char(s
, NULL
, NULL
);
1521 if (n
== 0 || (num
% n
) != 0) {
1522 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,
1523 SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
1526 if ((skp
== NULL
) || (*skp
== NULL
))
1527 sk
= sk_SSL_CIPHER_new_null(); /* change perhaps later */
1530 sk_SSL_CIPHER_zero(sk
);
1533 if (s
->cert
->ciphers_raw
)
1534 OPENSSL_free(s
->cert
->ciphers_raw
);
1535 s
->cert
->ciphers_raw
= BUF_memdup(p
, num
);
1536 if (s
->cert
->ciphers_raw
== NULL
) {
1537 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1540 s
->cert
->ciphers_rawlen
= (size_t)num
;
1542 for (i
= 0; i
< num
; i
+= n
) {
1543 /* Check for TLS_EMPTY_RENEGOTIATION_INFO_SCSV */
1544 if (s
->s3
&& (n
!= 3 || !p
[0]) &&
1545 (p
[n
- 2] == ((SSL3_CK_SCSV
>> 8) & 0xff)) &&
1546 (p
[n
- 1] == (SSL3_CK_SCSV
& 0xff))) {
1547 /* SCSV fatal if renegotiating */
1548 if (s
->renegotiate
) {
1549 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,
1550 SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING
);
1551 ssl3_send_alert(s
, SSL3_AL_FATAL
, SSL_AD_HANDSHAKE_FAILURE
);
1554 s
->s3
->send_connection_binding
= 1;
1556 #ifdef OPENSSL_RI_DEBUG
1557 fprintf(stderr
, "SCSV received by server\n");
1562 /* Check for TLS_FALLBACK_SCSV */
1563 if ((n
!= 3 || !p
[0]) &&
1564 (p
[n
- 2] == ((SSL3_CK_FALLBACK_SCSV
>> 8) & 0xff)) &&
1565 (p
[n
- 1] == (SSL3_CK_FALLBACK_SCSV
& 0xff))) {
1567 * The SCSV indicates that the client previously tried a higher
1568 * version. Fail if the current version is an unexpected
1571 if (!SSL_ctrl(s
, SSL_CTRL_CHECK_PROTO_VERSION
, 0, NULL
)) {
1572 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
,
1573 SSL_R_INAPPROPRIATE_FALLBACK
);
1575 ssl3_send_alert(s
, SSL3_AL_FATAL
,
1576 SSL_AD_INAPPROPRIATE_FALLBACK
);
1583 c
= ssl_get_cipher_by_char(s
, p
);
1586 if (!sk_SSL_CIPHER_push(sk
, c
)) {
1587 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST
, ERR_R_MALLOC_FAILURE
);
1597 if ((skp
== NULL
) || (*skp
== NULL
))
1598 sk_SSL_CIPHER_free(sk
);
1602 #ifndef OPENSSL_NO_TLSEXT
1603 /** return a servername extension value if provided in Client Hello, or NULL.
1604 * So far, only host_name types are defined (RFC 3546).
1607 const char *SSL_get_servername(const SSL
*s
, const int type
)
1609 if (type
!= TLSEXT_NAMETYPE_host_name
)
1612 return s
->session
&& !s
->tlsext_hostname
?
1613 s
->session
->tlsext_hostname
: s
->tlsext_hostname
;
1616 int SSL_get_servername_type(const SSL
*s
)
1619 && (!s
->tlsext_hostname
? s
->session
->
1620 tlsext_hostname
: s
->tlsext_hostname
))
1621 return TLSEXT_NAMETYPE_host_name
;
1626 * SSL_select_next_proto implements the standard protocol selection. It is
1627 * expected that this function is called from the callback set by
1628 * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a
1629 * vector of 8-bit, length prefixed byte strings. The length byte itself is
1630 * not included in the length. A byte string of length 0 is invalid. No byte
1631 * string may be truncated. The current, but experimental algorithm for
1632 * selecting the protocol is: 1) If the server doesn't support NPN then this
1633 * is indicated to the callback. In this case, the client application has to
1634 * abort the connection or have a default application level protocol. 2) If
1635 * the server supports NPN, but advertises an empty list then the client
1636 * selects the first protcol in its list, but indicates via the API that this
1637 * fallback case was enacted. 3) Otherwise, the client finds the first
1638 * protocol in the server's list that it supports and selects this protocol.
1639 * This is because it's assumed that the server has better information about
1640 * which protocol a client should use. 4) If the client doesn't support any
1641 * of the server's advertised protocols, then this is treated the same as
1642 * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was
1643 * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
1645 int SSL_select_next_proto(unsigned char **out
, unsigned char *outlen
,
1646 const unsigned char *server
,
1647 unsigned int server_len
,
1648 const unsigned char *client
,
1649 unsigned int client_len
)
1652 const unsigned char *result
;
1653 int status
= OPENSSL_NPN_UNSUPPORTED
;
1656 * For each protocol in server preference order, see if we support it.
1658 for (i
= 0; i
< server_len
;) {
1659 for (j
= 0; j
< client_len
;) {
1660 if (server
[i
] == client
[j
] &&
1661 memcmp(&server
[i
+ 1], &client
[j
+ 1], server
[i
]) == 0) {
1662 /* We found a match */
1663 result
= &server
[i
];
1664 status
= OPENSSL_NPN_NEGOTIATED
;
1674 /* There's no overlap between our protocols and the server's list. */
1676 status
= OPENSSL_NPN_NO_OVERLAP
;
1679 *out
= (unsigned char *)result
+ 1;
1680 *outlen
= result
[0];
1684 # ifndef OPENSSL_NO_NEXTPROTONEG
1686 * SSL_get0_next_proto_negotiated sets *data and *len to point to the
1687 * client's requested protocol for this connection and returns 0. If the
1688 * client didn't request any protocol, then *data is set to NULL. Note that
1689 * the client can request any protocol it chooses. The value returned from
1690 * this function need not be a member of the list of supported protocols
1691 * provided by the callback.
1693 void SSL_get0_next_proto_negotiated(const SSL
*s
, const unsigned char **data
,
1696 *data
= s
->next_proto_negotiated
;
1700 *len
= s
->next_proto_negotiated_len
;
1705 * SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when
1706 * a TLS server needs a list of supported protocols for Next Protocol
1707 * Negotiation. The returned list must be in wire format. The list is
1708 * returned by setting |out| to point to it and |outlen| to its length. This
1709 * memory will not be modified, but one should assume that the SSL* keeps a
1710 * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it
1711 * wishes to advertise. Otherwise, no such extension will be included in the
1714 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX
*ctx
,
1715 int (*cb
) (SSL
*ssl
,
1718 unsigned int *outlen
,
1719 void *arg
), void *arg
)
1721 ctx
->next_protos_advertised_cb
= cb
;
1722 ctx
->next_protos_advertised_cb_arg
= arg
;
1726 * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
1727 * client needs to select a protocol from the server's provided list. |out|
1728 * must be set to point to the selected protocol (which may be within |in|).
1729 * The length of the protocol name must be written into |outlen|. The
1730 * server's advertised protocols are provided in |in| and |inlen|. The
1731 * callback can assume that |in| is syntactically valid. The client must
1732 * select a protocol. It is fatal to the connection if this callback returns
1733 * a value other than SSL_TLSEXT_ERR_OK.
1735 void SSL_CTX_set_next_proto_select_cb(SSL_CTX
*ctx
,
1736 int (*cb
) (SSL
*s
, unsigned char **out
,
1737 unsigned char *outlen
,
1738 const unsigned char *in
,
1740 void *arg
), void *arg
)
1742 ctx
->next_proto_select_cb
= cb
;
1743 ctx
->next_proto_select_cb_arg
= arg
;
1748 * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|.
1749 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1750 * length-prefixed strings). Returns 0 on success.
1752 int SSL_CTX_set_alpn_protos(SSL_CTX
*ctx
, const unsigned char *protos
,
1753 unsigned protos_len
)
1755 if (ctx
->alpn_client_proto_list
)
1756 OPENSSL_free(ctx
->alpn_client_proto_list
);
1758 ctx
->alpn_client_proto_list
= OPENSSL_malloc(protos_len
);
1759 if (!ctx
->alpn_client_proto_list
)
1761 memcpy(ctx
->alpn_client_proto_list
, protos
, protos_len
);
1762 ctx
->alpn_client_proto_list_len
= protos_len
;
1768 * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|.
1769 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
1770 * length-prefixed strings). Returns 0 on success.
1772 int SSL_set_alpn_protos(SSL
*ssl
, const unsigned char *protos
,
1773 unsigned protos_len
)
1775 if (ssl
->alpn_client_proto_list
)
1776 OPENSSL_free(ssl
->alpn_client_proto_list
);
1778 ssl
->alpn_client_proto_list
= OPENSSL_malloc(protos_len
);
1779 if (!ssl
->alpn_client_proto_list
)
1781 memcpy(ssl
->alpn_client_proto_list
, protos
, protos_len
);
1782 ssl
->alpn_client_proto_list_len
= protos_len
;
1788 * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is
1789 * called during ClientHello processing in order to select an ALPN protocol
1790 * from the client's list of offered protocols.
1792 void SSL_CTX_set_alpn_select_cb(SSL_CTX
*ctx
,
1793 int (*cb
) (SSL
*ssl
,
1794 const unsigned char **out
,
1795 unsigned char *outlen
,
1796 const unsigned char *in
,
1798 void *arg
), void *arg
)
1800 ctx
->alpn_select_cb
= cb
;
1801 ctx
->alpn_select_cb_arg
= arg
;
1805 * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from
1806 * |ssl|. On return it sets |*data| to point to |*len| bytes of protocol name
1807 * (not including the leading length-prefix byte). If the server didn't
1808 * respond with a negotiated protocol then |*len| will be zero.
1810 void SSL_get0_alpn_selected(const SSL
*ssl
, const unsigned char **data
,
1815 *data
= ssl
->s3
->alpn_selected
;
1819 *len
= ssl
->s3
->alpn_selected_len
;
1822 #endif /* !OPENSSL_NO_TLSEXT */
1824 int SSL_export_keying_material(SSL
*s
, unsigned char *out
, size_t olen
,
1825 const char *label
, size_t llen
,
1826 const unsigned char *p
, size_t plen
,
1829 if (s
->version
< TLS1_VERSION
)
1832 return s
->method
->ssl3_enc
->export_keying_material(s
, out
, olen
, label
,
1837 static unsigned long ssl_session_hash(const SSL_SESSION
*a
)
1842 ((unsigned int)a
->session_id
[0]) |
1843 ((unsigned int)a
->session_id
[1] << 8L) |
1844 ((unsigned long)a
->session_id
[2] << 16L) |
1845 ((unsigned long)a
->session_id
[3] << 24L);
1850 * NB: If this function (or indeed the hash function which uses a sort of
1851 * coarser function than this one) is changed, ensure
1852 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on
1853 * being able to construct an SSL_SESSION that will collide with any existing
1854 * session with a matching session ID.
1856 static int ssl_session_cmp(const SSL_SESSION
*a
, const SSL_SESSION
*b
)
1858 if (a
->ssl_version
!= b
->ssl_version
)
1860 if (a
->session_id_length
!= b
->session_id_length
)
1862 return (memcmp(a
->session_id
, b
->session_id
, a
->session_id_length
));
1866 * These wrapper functions should remain rather than redeclaring
1867 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1868 * variable. The reason is that the functions aren't static, they're exposed
1871 static IMPLEMENT_LHASH_HASH_FN(ssl_session
, SSL_SESSION
)
1872 static IMPLEMENT_LHASH_COMP_FN(ssl_session
, SSL_SESSION
)
1874 SSL_CTX
*SSL_CTX_new(const SSL_METHOD
*meth
)
1876 SSL_CTX
*ret
= NULL
;
1879 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_NULL_SSL_METHOD_PASSED
);
1883 if (FIPS_mode() && (meth
->version
< TLS1_VERSION
)) {
1884 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE
);
1888 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
1889 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS
);
1892 ret
= (SSL_CTX
*)OPENSSL_malloc(sizeof(SSL_CTX
));
1896 memset(ret
, 0, sizeof(SSL_CTX
));
1900 ret
->cert_store
= NULL
;
1901 ret
->session_cache_mode
= SSL_SESS_CACHE_SERVER
;
1902 ret
->session_cache_size
= SSL_SESSION_CACHE_MAX_SIZE_DEFAULT
;
1903 ret
->session_cache_head
= NULL
;
1904 ret
->session_cache_tail
= NULL
;
1906 /* We take the system default */
1907 ret
->session_timeout
= meth
->get_timeout();
1909 ret
->new_session_cb
= 0;
1910 ret
->remove_session_cb
= 0;
1911 ret
->get_session_cb
= 0;
1912 ret
->generate_session_id
= 0;
1914 memset((char *)&ret
->stats
, 0, sizeof(ret
->stats
));
1916 ret
->references
= 1;
1917 ret
->quiet_shutdown
= 0;
1919 /* ret->cipher=NULL;*/
1921 ret->s2->challenge=NULL;
1922 ret->master_key=NULL;
1923 ret->s2->conn_id=NULL; */
1925 ret
->info_callback
= NULL
;
1927 ret
->app_verify_callback
= 0;
1928 ret
->app_verify_arg
= NULL
;
1930 ret
->max_cert_list
= SSL_MAX_CERT_LIST_DEFAULT
;
1931 ret
->read_ahead
= 0;
1932 ret
->msg_callback
= 0;
1933 ret
->msg_callback_arg
= NULL
;
1934 ret
->verify_mode
= SSL_VERIFY_NONE
;
1936 ret
->verify_depth
= -1; /* Don't impose a limit (but x509_lu.c does) */
1938 ret
->sid_ctx_length
= 0;
1939 ret
->default_verify_callback
= NULL
;
1940 if ((ret
->cert
= ssl_cert_new()) == NULL
)
1943 ret
->default_passwd_callback
= 0;
1944 ret
->default_passwd_callback_userdata
= NULL
;
1945 ret
->client_cert_cb
= 0;
1946 ret
->app_gen_cookie_cb
= 0;
1947 ret
->app_verify_cookie_cb
= 0;
1949 ret
->sessions
= lh_SSL_SESSION_new();
1950 if (ret
->sessions
== NULL
)
1952 ret
->cert_store
= X509_STORE_new();
1953 if (ret
->cert_store
== NULL
)
1956 ssl_create_cipher_list(ret
->method
,
1957 &ret
->cipher_list
, &ret
->cipher_list_by_id
,
1958 SSL_DEFAULT_CIPHER_LIST
, ret
->cert
);
1959 if (ret
->cipher_list
== NULL
|| sk_SSL_CIPHER_num(ret
->cipher_list
) <= 0) {
1960 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_LIBRARY_HAS_NO_CIPHERS
);
1964 ret
->param
= X509_VERIFY_PARAM_new();
1968 if ((ret
->md5
= EVP_get_digestbyname("ssl3-md5")) == NULL
) {
1969 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES
);
1972 if ((ret
->sha1
= EVP_get_digestbyname("ssl3-sha1")) == NULL
) {
1973 SSLerr(SSL_F_SSL_CTX_NEW
, SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES
);
1977 if ((ret
->client_CA
= sk_X509_NAME_new_null()) == NULL
)
1980 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, ret
, &ret
->ex_data
);
1982 ret
->extra_certs
= NULL
;
1983 /* No compression for DTLS */
1984 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
))
1985 ret
->comp_methods
= SSL_COMP_get_compression_methods();
1987 ret
->max_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
1989 #ifndef OPENSSL_NO_TLSEXT
1990 ret
->tlsext_servername_callback
= 0;
1991 ret
->tlsext_servername_arg
= NULL
;
1992 /* Setup RFC4507 ticket keys */
1993 if ((RAND_pseudo_bytes(ret
->tlsext_tick_key_name
, 16) <= 0)
1994 || (RAND_bytes(ret
->tlsext_tick_hmac_key
, 16) <= 0)
1995 || (RAND_bytes(ret
->tlsext_tick_aes_key
, 16) <= 0))
1996 ret
->options
|= SSL_OP_NO_TICKET
;
1998 ret
->tlsext_status_cb
= 0;
1999 ret
->tlsext_status_arg
= NULL
;
2001 # ifndef OPENSSL_NO_NEXTPROTONEG
2002 ret
->next_protos_advertised_cb
= 0;
2003 ret
->next_proto_select_cb
= 0;
2006 #ifndef OPENSSL_NO_PSK
2007 ret
->psk_identity_hint
= NULL
;
2008 ret
->psk_client_callback
= NULL
;
2009 ret
->psk_server_callback
= NULL
;
2011 #ifndef OPENSSL_NO_SRP
2012 SSL_CTX_SRP_CTX_init(ret
);
2014 #ifndef OPENSSL_NO_ENGINE
2015 ret
->client_cert_engine
= NULL
;
2016 # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
2017 # define eng_strx(x) #x
2018 # define eng_str(x) eng_strx(x)
2019 /* Use specific client engine automatically... ignore errors */
2022 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
2025 ENGINE_load_builtin_engines();
2026 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
2028 if (!eng
|| !SSL_CTX_set_client_cert_engine(ret
, eng
))
2034 * Default is to connect to non-RI servers. When RI is more widely
2035 * deployed might change this.
2037 ret
->options
|= SSL_OP_LEGACY_SERVER_CONNECT
;
2041 SSLerr(SSL_F_SSL_CTX_NEW
, ERR_R_MALLOC_FAILURE
);
2048 void SSL_CTX_free(SSL_CTX
*a
)
2055 i
= CRYPTO_add(&a
->references
, -1, CRYPTO_LOCK_SSL_CTX
);
2057 REF_PRINT("SSL_CTX", a
);
2063 fprintf(stderr
, "SSL_CTX_free, bad reference count\n");
2069 X509_VERIFY_PARAM_free(a
->param
);
2072 * Free internal session cache. However: the remove_cb() may reference
2073 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
2074 * after the sessions were flushed.
2075 * As the ex_data handling routines might also touch the session cache,
2076 * the most secure solution seems to be: empty (flush) the cache, then
2077 * free ex_data, then finally free the cache.
2078 * (See ticket [openssl.org #212].)
2080 if (a
->sessions
!= NULL
)
2081 SSL_CTX_flush_sessions(a
, 0);
2083 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, a
, &a
->ex_data
);
2085 if (a
->sessions
!= NULL
)
2086 lh_SSL_SESSION_free(a
->sessions
);
2088 if (a
->cert_store
!= NULL
)
2089 X509_STORE_free(a
->cert_store
);
2090 if (a
->cipher_list
!= NULL
)
2091 sk_SSL_CIPHER_free(a
->cipher_list
);
2092 if (a
->cipher_list_by_id
!= NULL
)
2093 sk_SSL_CIPHER_free(a
->cipher_list_by_id
);
2094 if (a
->cert
!= NULL
)
2095 ssl_cert_free(a
->cert
);
2096 if (a
->client_CA
!= NULL
)
2097 sk_X509_NAME_pop_free(a
->client_CA
, X509_NAME_free
);
2098 if (a
->extra_certs
!= NULL
)
2099 sk_X509_pop_free(a
->extra_certs
, X509_free
);
2100 #if 0 /* This should never be done, since it
2101 * removes a global database */
2102 if (a
->comp_methods
!= NULL
)
2103 sk_SSL_COMP_pop_free(a
->comp_methods
, SSL_COMP_free
);
2105 a
->comp_methods
= NULL
;
2108 #ifndef OPENSSL_NO_SRTP
2109 if (a
->srtp_profiles
)
2110 sk_SRTP_PROTECTION_PROFILE_free(a
->srtp_profiles
);
2113 #ifndef OPENSSL_NO_PSK
2114 if (a
->psk_identity_hint
)
2115 OPENSSL_free(a
->psk_identity_hint
);
2117 #ifndef OPENSSL_NO_SRP
2118 SSL_CTX_SRP_CTX_free(a
);
2120 #ifndef OPENSSL_NO_ENGINE
2121 if (a
->client_cert_engine
)
2122 ENGINE_finish(a
->client_cert_engine
);
2125 #ifndef OPENSSL_NO_TLSEXT
2126 # ifndef OPENSSL_NO_EC
2127 if (a
->tlsext_ecpointformatlist
)
2128 OPENSSL_free(a
->tlsext_ecpointformatlist
);
2129 if (a
->tlsext_ellipticcurvelist
)
2130 OPENSSL_free(a
->tlsext_ellipticcurvelist
);
2131 # endif /* OPENSSL_NO_EC */
2132 if (a
->alpn_client_proto_list
!= NULL
)
2133 OPENSSL_free(a
->alpn_client_proto_list
);
2139 void SSL_CTX_set_default_passwd_cb(SSL_CTX
*ctx
, pem_password_cb
*cb
)
2141 ctx
->default_passwd_callback
= cb
;
2144 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX
*ctx
, void *u
)
2146 ctx
->default_passwd_callback_userdata
= u
;
2149 void SSL_CTX_set_cert_verify_callback(SSL_CTX
*ctx
,
2150 int (*cb
) (X509_STORE_CTX
*, void *),
2153 ctx
->app_verify_callback
= cb
;
2154 ctx
->app_verify_arg
= arg
;
2157 void SSL_CTX_set_verify(SSL_CTX
*ctx
, int mode
,
2158 int (*cb
) (int, X509_STORE_CTX
*))
2160 ctx
->verify_mode
= mode
;
2161 ctx
->default_verify_callback
= cb
;
2164 void SSL_CTX_set_verify_depth(SSL_CTX
*ctx
, int depth
)
2166 X509_VERIFY_PARAM_set_depth(ctx
->param
, depth
);
2169 void SSL_CTX_set_cert_cb(SSL_CTX
*c
, int (*cb
) (SSL
*ssl
, void *arg
),
2172 ssl_cert_set_cert_cb(c
->cert
, cb
, arg
);
2175 void SSL_set_cert_cb(SSL
*s
, int (*cb
) (SSL
*ssl
, void *arg
), void *arg
)
2177 ssl_cert_set_cert_cb(s
->cert
, cb
, arg
);
2180 void ssl_set_cert_masks(CERT
*c
, const SSL_CIPHER
*cipher
)
2183 int rsa_enc
, rsa_tmp
, rsa_sign
, dh_tmp
, dh_rsa
, dh_dsa
, dsa_sign
;
2184 int rsa_enc_export
, dh_rsa_export
, dh_dsa_export
;
2185 int rsa_tmp_export
, dh_tmp_export
, kl
;
2186 unsigned long mask_k
, mask_a
, emask_k
, emask_a
;
2187 #ifndef OPENSSL_NO_ECDSA
2188 int have_ecc_cert
, ecdsa_ok
, ecc_pkey_size
;
2190 #ifndef OPENSSL_NO_ECDH
2191 int have_ecdh_tmp
, ecdh_ok
;
2193 #ifndef OPENSSL_NO_EC
2195 EVP_PKEY
*ecc_pkey
= NULL
;
2196 int signature_nid
= 0, pk_nid
= 0, md_nid
= 0;
2201 kl
= SSL_C_EXPORT_PKEYLENGTH(cipher
);
2203 #ifndef OPENSSL_NO_RSA
2204 rsa_tmp
= (c
->rsa_tmp
!= NULL
|| c
->rsa_tmp_cb
!= NULL
);
2205 rsa_tmp_export
= (c
->rsa_tmp_cb
!= NULL
||
2206 (rsa_tmp
&& RSA_size(c
->rsa_tmp
) * 8 <= kl
));
2208 rsa_tmp
= rsa_tmp_export
= 0;
2210 #ifndef OPENSSL_NO_DH
2211 dh_tmp
= (c
->dh_tmp
!= NULL
|| c
->dh_tmp_cb
!= NULL
|| c
->dh_tmp_auto
);
2212 dh_tmp_export
= !c
->dh_tmp_auto
&& (c
->dh_tmp_cb
!= NULL
||
2214 && DH_size(c
->dh_tmp
) * 8 <= kl
));
2216 dh_tmp
= dh_tmp_export
= 0;
2219 #ifndef OPENSSL_NO_ECDH
2220 have_ecdh_tmp
= (c
->ecdh_tmp
|| c
->ecdh_tmp_cb
|| c
->ecdh_tmp_auto
);
2222 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_ENC
]);
2223 rsa_enc
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2224 rsa_enc_export
= (rsa_enc
&& EVP_PKEY_size(cpk
->privatekey
) * 8 <= kl
);
2225 cpk
= &(c
->pkeys
[SSL_PKEY_RSA_SIGN
]);
2226 rsa_sign
= cpk
->valid_flags
& CERT_PKEY_SIGN
;
2227 cpk
= &(c
->pkeys
[SSL_PKEY_DSA_SIGN
]);
2228 dsa_sign
= cpk
->valid_flags
& CERT_PKEY_SIGN
;
2229 cpk
= &(c
->pkeys
[SSL_PKEY_DH_RSA
]);
2230 dh_rsa
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2231 dh_rsa_export
= (dh_rsa
&& EVP_PKEY_size(cpk
->privatekey
) * 8 <= kl
);
2232 cpk
= &(c
->pkeys
[SSL_PKEY_DH_DSA
]);
2233 /* FIX THIS EAY EAY EAY */
2234 dh_dsa
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2235 dh_dsa_export
= (dh_dsa
&& EVP_PKEY_size(cpk
->privatekey
) * 8 <= kl
);
2236 cpk
= &(c
->pkeys
[SSL_PKEY_ECC
]);
2237 #ifndef OPENSSL_NO_EC
2238 have_ecc_cert
= cpk
->valid_flags
& CERT_PKEY_VALID
;
2247 "rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
2248 rsa_tmp
, rsa_tmp_export
, dh_tmp
, have_ecdh_tmp
, rsa_enc
,
2249 rsa_enc_export
, rsa_sign
, dsa_sign
, dh_rsa
, dh_dsa
);
2252 cpk
= &(c
->pkeys
[SSL_PKEY_GOST01
]);
2253 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
) {
2254 mask_k
|= SSL_kGOST
;
2255 mask_a
|= SSL_aGOST01
;
2257 cpk
= &(c
->pkeys
[SSL_PKEY_GOST94
]);
2258 if (cpk
->x509
!= NULL
&& cpk
->privatekey
!= NULL
) {
2259 mask_k
|= SSL_kGOST
;
2260 mask_a
|= SSL_aGOST94
;
2263 if (rsa_enc
|| (rsa_tmp
&& rsa_sign
))
2265 if (rsa_enc_export
|| (rsa_tmp_export
&& (rsa_sign
|| rsa_enc
)))
2266 emask_k
|= SSL_kRSA
;
2269 /* The match needs to be both kDHE and aRSA or aDSA, so don't worry */
2270 if ((dh_tmp
|| dh_rsa
|| dh_dsa
) && (rsa_enc
|| rsa_sign
|| dsa_sign
))
2272 if ((dh_tmp_export
|| dh_rsa_export
|| dh_dsa_export
) &&
2273 (rsa_enc
|| rsa_sign
|| dsa_sign
))
2274 emask_k
|= SSL_kDHE
;
2278 emask_k
|= SSL_kDHE
;
2286 emask_k
|= SSL_kDHr
;
2291 emask_k
|= SSL_kDHd
;
2293 if (emask_k
& (SSL_kDHr
| SSL_kDHd
))
2296 if (rsa_enc
|| rsa_sign
) {
2298 emask_a
|= SSL_aRSA
;
2303 emask_a
|= SSL_aDSS
;
2306 mask_a
|= SSL_aNULL
;
2307 emask_a
|= SSL_aNULL
;
2309 #ifndef OPENSSL_NO_KRB5
2310 mask_k
|= SSL_kKRB5
;
2311 mask_a
|= SSL_aKRB5
;
2312 emask_k
|= SSL_kKRB5
;
2313 emask_a
|= SSL_aKRB5
;
2317 * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites
2318 * depending on the key usage extension.
2320 #ifndef OPENSSL_NO_EC
2321 if (have_ecc_cert
) {
2322 cpk
= &c
->pkeys
[SSL_PKEY_ECC
];
2324 /* This call populates extension flags (ex_flags) */
2325 X509_check_purpose(x
, -1, 0);
2326 # ifndef OPENSSL_NO_ECDH
2327 ecdh_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
2328 (x
->ex_kusage
& X509v3_KU_KEY_AGREEMENT
) : 1;
2330 ecdsa_ok
= (x
->ex_flags
& EXFLAG_KUSAGE
) ?
2331 (x
->ex_kusage
& X509v3_KU_DIGITAL_SIGNATURE
) : 1;
2332 if (!(cpk
->valid_flags
& CERT_PKEY_SIGN
))
2334 ecc_pkey
= X509_get_pubkey(x
);
2335 ecc_pkey_size
= (ecc_pkey
!= NULL
) ? EVP_PKEY_bits(ecc_pkey
) : 0;
2336 EVP_PKEY_free(ecc_pkey
);
2337 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
)) {
2338 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
2339 OBJ_find_sigid_algs(signature_nid
, &md_nid
, &pk_nid
);
2341 # ifndef OPENSSL_NO_ECDH
2344 if (pk_nid
== NID_rsaEncryption
|| pk_nid
== NID_rsa
) {
2345 mask_k
|= SSL_kECDHr
;
2346 mask_a
|= SSL_aECDH
;
2347 if (ecc_pkey_size
<= 163) {
2348 emask_k
|= SSL_kECDHr
;
2349 emask_a
|= SSL_aECDH
;
2353 if (pk_nid
== NID_X9_62_id_ecPublicKey
) {
2354 mask_k
|= SSL_kECDHe
;
2355 mask_a
|= SSL_aECDH
;
2356 if (ecc_pkey_size
<= 163) {
2357 emask_k
|= SSL_kECDHe
;
2358 emask_a
|= SSL_aECDH
;
2363 # ifndef OPENSSL_NO_ECDSA
2365 mask_a
|= SSL_aECDSA
;
2366 emask_a
|= SSL_aECDSA
;
2372 #ifndef OPENSSL_NO_ECDH
2373 if (have_ecdh_tmp
) {
2374 mask_k
|= SSL_kECDHE
;
2375 emask_k
|= SSL_kECDHE
;
2379 #ifndef OPENSSL_NO_PSK
2382 emask_k
|= SSL_kPSK
;
2383 emask_a
|= SSL_aPSK
;
2388 c
->export_mask_k
= emask_k
;
2389 c
->export_mask_a
= emask_a
;
2393 /* This handy macro borrowed from crypto/x509v3/v3_purp.c */
2394 #define ku_reject(x, usage) \
2395 (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
2397 #ifndef OPENSSL_NO_EC
2399 int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, SSL
*s
)
2401 unsigned long alg_k
, alg_a
;
2402 EVP_PKEY
*pkey
= NULL
;
2404 int signature_nid
= 0, md_nid
= 0, pk_nid
= 0;
2405 const SSL_CIPHER
*cs
= s
->s3
->tmp
.new_cipher
;
2407 alg_k
= cs
->algorithm_mkey
;
2408 alg_a
= cs
->algorithm_auth
;
2410 if (SSL_C_IS_EXPORT(cs
)) {
2411 /* ECDH key length in export ciphers must be <= 163 bits */
2412 pkey
= X509_get_pubkey(x
);
2415 keysize
= EVP_PKEY_bits(pkey
);
2416 EVP_PKEY_free(pkey
);
2421 /* This call populates the ex_flags field correctly */
2422 X509_check_purpose(x
, -1, 0);
2423 if ((x
->sig_alg
) && (x
->sig_alg
->algorithm
)) {
2424 signature_nid
= OBJ_obj2nid(x
->sig_alg
->algorithm
);
2425 OBJ_find_sigid_algs(signature_nid
, &md_nid
, &pk_nid
);
2427 if (alg_k
& SSL_kECDHe
|| alg_k
& SSL_kECDHr
) {
2428 /* key usage, if present, must allow key agreement */
2429 if (ku_reject(x
, X509v3_KU_KEY_AGREEMENT
)) {
2430 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2431 SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT
);
2434 if ((alg_k
& SSL_kECDHe
) && TLS1_get_version(s
) < TLS1_2_VERSION
) {
2435 /* signature alg must be ECDSA */
2436 if (pk_nid
!= NID_X9_62_id_ecPublicKey
) {
2437 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2438 SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE
);
2442 if ((alg_k
& SSL_kECDHr
) && TLS1_get_version(s
) < TLS1_2_VERSION
) {
2443 /* signature alg must be RSA */
2445 if (pk_nid
!= NID_rsaEncryption
&& pk_nid
!= NID_rsa
) {
2446 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2447 SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE
);
2452 if (alg_a
& SSL_aECDSA
) {
2453 /* key usage, if present, must allow signing */
2454 if (ku_reject(x
, X509v3_KU_DIGITAL_SIGNATURE
)) {
2455 SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG
,
2456 SSL_R_ECC_CERT_NOT_FOR_SIGNING
);
2461 return 1; /* all checks are ok */
2466 static int ssl_get_server_cert_index(const SSL
*s
)
2469 idx
= ssl_cipher_get_cert_index(s
->s3
->tmp
.new_cipher
);
2470 if (idx
== SSL_PKEY_RSA_ENC
&& !s
->cert
->pkeys
[SSL_PKEY_RSA_ENC
].x509
)
2471 idx
= SSL_PKEY_RSA_SIGN
;
2473 SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX
, ERR_R_INTERNAL_ERROR
);
2477 CERT_PKEY
*ssl_get_server_send_pkey(const SSL
*s
)
2483 if (!s
->s3
|| !s
->s3
->tmp
.new_cipher
)
2485 ssl_set_cert_masks(c
, s
->s3
->tmp
.new_cipher
);
2487 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2489 * Broken protocol test: return last used certificate: which may mismatch
2492 if (c
->cert_flags
& SSL_CERT_FLAG_BROKEN_PROTOCOL
)
2496 i
= ssl_get_server_cert_index(s
);
2498 /* This may or may not be an error. */
2503 return &c
->pkeys
[i
];
2506 EVP_PKEY
*ssl_get_sign_pkey(SSL
*s
, const SSL_CIPHER
*cipher
,
2509 unsigned long alg_a
;
2513 alg_a
= cipher
->algorithm_auth
;
2516 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
2518 * Broken protocol test: use last key: which may mismatch the one
2521 if (c
->cert_flags
& SSL_CERT_FLAG_BROKEN_PROTOCOL
)
2522 idx
= c
->key
- c
->pkeys
;
2526 if ((alg_a
& SSL_aDSS
) &&
2527 (c
->pkeys
[SSL_PKEY_DSA_SIGN
].privatekey
!= NULL
))
2528 idx
= SSL_PKEY_DSA_SIGN
;
2529 else if (alg_a
& SSL_aRSA
) {
2530 if (c
->pkeys
[SSL_PKEY_RSA_SIGN
].privatekey
!= NULL
)
2531 idx
= SSL_PKEY_RSA_SIGN
;
2532 else if (c
->pkeys
[SSL_PKEY_RSA_ENC
].privatekey
!= NULL
)
2533 idx
= SSL_PKEY_RSA_ENC
;
2534 } else if ((alg_a
& SSL_aECDSA
) &&
2535 (c
->pkeys
[SSL_PKEY_ECC
].privatekey
!= NULL
))
2538 SSLerr(SSL_F_SSL_GET_SIGN_PKEY
, ERR_R_INTERNAL_ERROR
);
2542 *pmd
= c
->pkeys
[idx
].digest
;
2543 return c
->pkeys
[idx
].privatekey
;
2546 #ifndef OPENSSL_NO_TLSEXT
2547 int ssl_get_server_cert_serverinfo(SSL
*s
, const unsigned char **serverinfo
,
2548 size_t *serverinfo_length
)
2552 *serverinfo_length
= 0;
2555 i
= ssl_get_server_cert_index(s
);
2559 if (c
->pkeys
[i
].serverinfo
== NULL
)
2562 *serverinfo
= c
->pkeys
[i
].serverinfo
;
2563 *serverinfo_length
= c
->pkeys
[i
].serverinfo_length
;
2568 void ssl_update_cache(SSL
*s
, int mode
)
2573 * If the session_id_length is 0, we are not supposed to cache it, and it
2574 * would be rather hard to do anyway :-)
2576 if (s
->session
->session_id_length
== 0)
2579 i
= s
->session_ctx
->session_cache_mode
;
2580 if ((i
& mode
) && (!s
->hit
)
2581 && ((i
& SSL_SESS_CACHE_NO_INTERNAL_STORE
)
2582 || SSL_CTX_add_session(s
->session_ctx
, s
->session
))
2583 && (s
->session_ctx
->new_session_cb
!= NULL
)) {
2584 CRYPTO_add(&s
->session
->references
, 1, CRYPTO_LOCK_SSL_SESSION
);
2585 if (!s
->session_ctx
->new_session_cb(s
, s
->session
))
2586 SSL_SESSION_free(s
->session
);
2589 /* auto flush every 255 connections */
2590 if ((!(i
& SSL_SESS_CACHE_NO_AUTO_CLEAR
)) && ((i
& mode
) == mode
)) {
2591 if ((((mode
& SSL_SESS_CACHE_CLIENT
)
2592 ? s
->session_ctx
->stats
.sess_connect_good
2593 : s
->session_ctx
->stats
.sess_accept_good
) & 0xff) == 0xff) {
2594 SSL_CTX_flush_sessions(s
->session_ctx
, (unsigned long)time(NULL
));
2599 const SSL_METHOD
*SSL_CTX_get_ssl_method(SSL_CTX
*ctx
)
2604 const SSL_METHOD
*SSL_get_ssl_method(SSL
*s
)
2609 int SSL_set_ssl_method(SSL
*s
, const SSL_METHOD
*meth
)
2614 if (s
->method
!= meth
) {
2615 if (s
->handshake_func
!= NULL
)
2616 conn
= (s
->handshake_func
== s
->method
->ssl_connect
);
2618 if (s
->method
->version
== meth
->version
)
2621 s
->method
->ssl_free(s
);
2623 ret
= s
->method
->ssl_new(s
);
2627 s
->handshake_func
= meth
->ssl_connect
;
2629 s
->handshake_func
= meth
->ssl_accept
;
2634 int SSL_get_error(const SSL
*s
, int i
)
2641 return (SSL_ERROR_NONE
);
2644 * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc,
2645 * where we do encode the error
2647 if ((l
= ERR_peek_error()) != 0) {
2648 if (ERR_GET_LIB(l
) == ERR_LIB_SYS
)
2649 return (SSL_ERROR_SYSCALL
);
2651 return (SSL_ERROR_SSL
);
2654 if ((i
< 0) && SSL_want_read(s
)) {
2655 bio
= SSL_get_rbio(s
);
2656 if (BIO_should_read(bio
))
2657 return (SSL_ERROR_WANT_READ
);
2658 else if (BIO_should_write(bio
))
2660 * This one doesn't make too much sense ... We never try to write
2661 * to the rbio, and an application program where rbio and wbio
2662 * are separate couldn't even know what it should wait for.
2663 * However if we ever set s->rwstate incorrectly (so that we have
2664 * SSL_want_read(s) instead of SSL_want_write(s)) and rbio and
2665 * wbio *are* the same, this test works around that bug; so it
2666 * might be safer to keep it.
2668 return (SSL_ERROR_WANT_WRITE
);
2669 else if (BIO_should_io_special(bio
)) {
2670 reason
= BIO_get_retry_reason(bio
);
2671 if (reason
== BIO_RR_CONNECT
)
2672 return (SSL_ERROR_WANT_CONNECT
);
2673 else if (reason
== BIO_RR_ACCEPT
)
2674 return (SSL_ERROR_WANT_ACCEPT
);
2676 return (SSL_ERROR_SYSCALL
); /* unknown */
2680 if ((i
< 0) && SSL_want_write(s
)) {
2681 bio
= SSL_get_wbio(s
);
2682 if (BIO_should_write(bio
))
2683 return (SSL_ERROR_WANT_WRITE
);
2684 else if (BIO_should_read(bio
))
2686 * See above (SSL_want_read(s) with BIO_should_write(bio))
2688 return (SSL_ERROR_WANT_READ
);
2689 else if (BIO_should_io_special(bio
)) {
2690 reason
= BIO_get_retry_reason(bio
);
2691 if (reason
== BIO_RR_CONNECT
)
2692 return (SSL_ERROR_WANT_CONNECT
);
2693 else if (reason
== BIO_RR_ACCEPT
)
2694 return (SSL_ERROR_WANT_ACCEPT
);
2696 return (SSL_ERROR_SYSCALL
);
2699 if ((i
< 0) && SSL_want_x509_lookup(s
)) {
2700 return (SSL_ERROR_WANT_X509_LOOKUP
);
2704 if ((s
->shutdown
& SSL_RECEIVED_SHUTDOWN
) &&
2705 (s
->s3
->warn_alert
== SSL_AD_CLOSE_NOTIFY
))
2706 return (SSL_ERROR_ZERO_RETURN
);
2708 return (SSL_ERROR_SYSCALL
);
2711 int SSL_do_handshake(SSL
*s
)
2715 if (s
->handshake_func
== NULL
) {
2716 SSLerr(SSL_F_SSL_DO_HANDSHAKE
, SSL_R_CONNECTION_TYPE_NOT_SET
);
2720 s
->method
->ssl_renegotiate_check(s
);
2722 if (SSL_in_init(s
) || SSL_in_before(s
)) {
2723 ret
= s
->handshake_func(s
);
2729 * For the next 2 functions, SSL_clear() sets shutdown and so one of these
2730 * calls will reset it
2732 void SSL_set_accept_state(SSL
*s
)
2736 s
->state
= SSL_ST_ACCEPT
| SSL_ST_BEFORE
;
2737 s
->handshake_func
= s
->method
->ssl_accept
;
2738 /* clear the current cipher */
2739 ssl_clear_cipher_ctx(s
);
2740 ssl_clear_hash_ctx(&s
->read_hash
);
2741 ssl_clear_hash_ctx(&s
->write_hash
);
2744 void SSL_set_connect_state(SSL
*s
)
2748 s
->state
= SSL_ST_CONNECT
| SSL_ST_BEFORE
;
2749 s
->handshake_func
= s
->method
->ssl_connect
;
2750 /* clear the current cipher */
2751 ssl_clear_cipher_ctx(s
);
2752 ssl_clear_hash_ctx(&s
->read_hash
);
2753 ssl_clear_hash_ctx(&s
->write_hash
);
2756 int ssl_undefined_function(SSL
*s
)
2758 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2762 int ssl_undefined_void_function(void)
2764 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION
,
2765 ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2769 int ssl_undefined_const_function(const SSL
*s
)
2771 SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION
,
2772 ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2776 SSL_METHOD
*ssl_bad_method(int ver
)
2778 SSLerr(SSL_F_SSL_BAD_METHOD
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2782 const char *SSL_get_version(const SSL
*s
)
2784 if (s
->version
== TLS1_2_VERSION
)
2786 else if (s
->version
== TLS1_1_VERSION
)
2788 else if (s
->version
== TLS1_VERSION
)
2790 else if (s
->version
== SSL3_VERSION
)
2796 SSL
*SSL_dup(SSL
*s
)
2798 STACK_OF(X509_NAME
) *sk
;
2803 if ((ret
= SSL_new(SSL_get_SSL_CTX(s
))) == NULL
)
2806 ret
->version
= s
->version
;
2807 ret
->type
= s
->type
;
2808 ret
->method
= s
->method
;
2810 if (s
->session
!= NULL
) {
2811 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2812 SSL_copy_session_id(ret
, s
);
2815 * No session has been established yet, so we have to expect that
2816 * s->cert or ret->cert will be changed later -- they should not both
2817 * point to the same object, and thus we can't use
2818 * SSL_copy_session_id.
2821 ret
->method
->ssl_free(ret
);
2822 ret
->method
= s
->method
;
2823 ret
->method
->ssl_new(ret
);
2825 if (s
->cert
!= NULL
) {
2826 if (ret
->cert
!= NULL
) {
2827 ssl_cert_free(ret
->cert
);
2829 ret
->cert
= ssl_cert_dup(s
->cert
);
2830 if (ret
->cert
== NULL
)
2834 SSL_set_session_id_context(ret
, s
->sid_ctx
, s
->sid_ctx_length
);
2837 ret
->options
= s
->options
;
2838 ret
->mode
= s
->mode
;
2839 SSL_set_max_cert_list(ret
, SSL_get_max_cert_list(s
));
2840 SSL_set_read_ahead(ret
, SSL_get_read_ahead(s
));
2841 ret
->msg_callback
= s
->msg_callback
;
2842 ret
->msg_callback_arg
= s
->msg_callback_arg
;
2843 SSL_set_verify(ret
, SSL_get_verify_mode(s
), SSL_get_verify_callback(s
));
2844 SSL_set_verify_depth(ret
, SSL_get_verify_depth(s
));
2845 ret
->generate_session_id
= s
->generate_session_id
;
2847 SSL_set_info_callback(ret
, SSL_get_info_callback(s
));
2849 ret
->debug
= s
->debug
;
2851 /* copy app data, a little dangerous perhaps */
2852 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL
, &ret
->ex_data
, &s
->ex_data
))
2855 /* setup rbio, and wbio */
2856 if (s
->rbio
!= NULL
) {
2857 if (!BIO_dup_state(s
->rbio
, (char *)&ret
->rbio
))
2860 if (s
->wbio
!= NULL
) {
2861 if (s
->wbio
!= s
->rbio
) {
2862 if (!BIO_dup_state(s
->wbio
, (char *)&ret
->wbio
))
2865 ret
->wbio
= ret
->rbio
;
2867 ret
->rwstate
= s
->rwstate
;
2868 ret
->in_handshake
= s
->in_handshake
;
2869 ret
->handshake_func
= s
->handshake_func
;
2870 ret
->server
= s
->server
;
2871 ret
->renegotiate
= s
->renegotiate
;
2872 ret
->new_session
= s
->new_session
;
2873 ret
->quiet_shutdown
= s
->quiet_shutdown
;
2874 ret
->shutdown
= s
->shutdown
;
2875 ret
->state
= s
->state
; /* SSL_dup does not really work at any state,
2877 ret
->rstate
= s
->rstate
;
2878 ret
->init_num
= 0; /* would have to copy ret->init_buf,
2879 * ret->init_msg, ret->init_num,
2883 X509_VERIFY_PARAM_inherit(ret
->param
, s
->param
);
2885 /* dup the cipher_list and cipher_list_by_id stacks */
2886 if (s
->cipher_list
!= NULL
) {
2887 if ((ret
->cipher_list
= sk_SSL_CIPHER_dup(s
->cipher_list
)) == NULL
)
2890 if (s
->cipher_list_by_id
!= NULL
)
2891 if ((ret
->cipher_list_by_id
= sk_SSL_CIPHER_dup(s
->cipher_list_by_id
))
2895 /* Dup the client_CA list */
2896 if (s
->client_CA
!= NULL
) {
2897 if ((sk
= sk_X509_NAME_dup(s
->client_CA
)) == NULL
)
2899 ret
->client_CA
= sk
;
2900 for (i
= 0; i
< sk_X509_NAME_num(sk
); i
++) {
2901 xn
= sk_X509_NAME_value(sk
, i
);
2902 if (sk_X509_NAME_set(sk
, i
, X509_NAME_dup(xn
)) == NULL
) {
2918 void ssl_clear_cipher_ctx(SSL
*s
)
2920 if (s
->enc_read_ctx
!= NULL
) {
2921 EVP_CIPHER_CTX_cleanup(s
->enc_read_ctx
);
2922 OPENSSL_free(s
->enc_read_ctx
);
2923 s
->enc_read_ctx
= NULL
;
2925 if (s
->enc_write_ctx
!= NULL
) {
2926 EVP_CIPHER_CTX_cleanup(s
->enc_write_ctx
);
2927 OPENSSL_free(s
->enc_write_ctx
);
2928 s
->enc_write_ctx
= NULL
;
2930 #ifndef OPENSSL_NO_COMP
2931 if (s
->expand
!= NULL
) {
2932 COMP_CTX_free(s
->expand
);
2935 if (s
->compress
!= NULL
) {
2936 COMP_CTX_free(s
->compress
);
2942 X509
*SSL_get_certificate(const SSL
*s
)
2944 if (s
->cert
!= NULL
)
2945 return (s
->cert
->key
->x509
);
2950 EVP_PKEY
*SSL_get_privatekey(const SSL
*s
)
2952 if (s
->cert
!= NULL
)
2953 return (s
->cert
->key
->privatekey
);
2958 X509
*SSL_CTX_get0_certificate(const SSL_CTX
*ctx
)
2960 if (ctx
->cert
!= NULL
)
2961 return ctx
->cert
->key
->x509
;
2966 EVP_PKEY
*SSL_CTX_get0_privatekey(const SSL_CTX
*ctx
)
2968 if (ctx
->cert
!= NULL
)
2969 return ctx
->cert
->key
->privatekey
;
2974 const SSL_CIPHER
*SSL_get_current_cipher(const SSL
*s
)
2976 if ((s
->session
!= NULL
) && (s
->session
->cipher
!= NULL
))
2977 return (s
->session
->cipher
);
2981 #ifdef OPENSSL_NO_COMP
2982 const void *SSL_get_current_compression(SSL
*s
)
2987 const void *SSL_get_current_expansion(SSL
*s
)
2993 const COMP_METHOD
*SSL_get_current_compression(SSL
*s
)
2995 if (s
->compress
!= NULL
)
2996 return (s
->compress
->meth
);
3000 const COMP_METHOD
*SSL_get_current_expansion(SSL
*s
)
3002 if (s
->expand
!= NULL
)
3003 return (s
->expand
->meth
);
3008 int ssl_init_wbio_buffer(SSL
*s
, int push
)
3012 if (s
->bbio
== NULL
) {
3013 bbio
= BIO_new(BIO_f_buffer());
3019 if (s
->bbio
== s
->wbio
)
3020 s
->wbio
= BIO_pop(s
->wbio
);
3022 (void)BIO_reset(bbio
);
3023 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
3024 if (!BIO_set_read_buffer_size(bbio
, 1)) {
3025 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER
, ERR_R_BUF_LIB
);
3029 if (s
->wbio
!= bbio
)
3030 s
->wbio
= BIO_push(bbio
, s
->wbio
);
3032 if (s
->wbio
== bbio
)
3033 s
->wbio
= BIO_pop(bbio
);
3038 void ssl_free_wbio_buffer(SSL
*s
)
3040 if (s
->bbio
== NULL
)
3043 if (s
->bbio
== s
->wbio
) {
3044 /* remove buffering */
3045 s
->wbio
= BIO_pop(s
->wbio
);
3046 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids
3047 * adding one more preprocessor symbol */
3048 assert(s
->wbio
!= NULL
);
3055 void SSL_CTX_set_quiet_shutdown(SSL_CTX
*ctx
, int mode
)
3057 ctx
->quiet_shutdown
= mode
;
3060 int SSL_CTX_get_quiet_shutdown(const SSL_CTX
*ctx
)
3062 return (ctx
->quiet_shutdown
);
3065 void SSL_set_quiet_shutdown(SSL
*s
, int mode
)
3067 s
->quiet_shutdown
= mode
;
3070 int SSL_get_quiet_shutdown(const SSL
*s
)
3072 return (s
->quiet_shutdown
);
3075 void SSL_set_shutdown(SSL
*s
, int mode
)
3080 int SSL_get_shutdown(const SSL
*s
)
3082 return (s
->shutdown
);
3085 int SSL_version(const SSL
*s
)
3087 return (s
->version
);
3090 SSL_CTX
*SSL_get_SSL_CTX(const SSL
*ssl
)
3095 SSL_CTX
*SSL_set_SSL_CTX(SSL
*ssl
, SSL_CTX
*ctx
)
3097 CERT
*ocert
= ssl
->cert
;
3098 if (ssl
->ctx
== ctx
)
3100 #ifndef OPENSSL_NO_TLSEXT
3102 ctx
= ssl
->initial_ctx
;
3104 ssl
->cert
= ssl_cert_dup(ctx
->cert
);
3106 /* Preserve any already negotiated parameters */
3108 ssl
->cert
->peer_sigalgs
= ocert
->peer_sigalgs
;
3109 ssl
->cert
->peer_sigalgslen
= ocert
->peer_sigalgslen
;
3110 ocert
->peer_sigalgs
= NULL
;
3111 ssl
->cert
->ciphers_raw
= ocert
->ciphers_raw
;
3112 ssl
->cert
->ciphers_rawlen
= ocert
->ciphers_rawlen
;
3113 ocert
->ciphers_raw
= NULL
;
3115 ssl_cert_free(ocert
);
3119 * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH),
3120 * so setter APIs must prevent invalid lengths from entering the system.
3122 OPENSSL_assert(ssl
->sid_ctx_length
<= sizeof(ssl
->sid_ctx
));
3125 * If the session ID context matches that of the parent SSL_CTX,
3126 * inherit it from the new SSL_CTX as well. If however the context does
3127 * not match (i.e., it was set per-ssl with SSL_set_session_id_context),
3128 * leave it unchanged.
3130 if ((ssl
->ctx
!= NULL
) &&
3131 (ssl
->sid_ctx_length
== ssl
->ctx
->sid_ctx_length
) &&
3132 (memcmp(ssl
->sid_ctx
, ssl
->ctx
->sid_ctx
, ssl
->sid_ctx_length
) == 0)) {
3133 ssl
->sid_ctx_length
= ctx
->sid_ctx_length
;
3134 memcpy(&ssl
->sid_ctx
, &ctx
->sid_ctx
, sizeof(ssl
->sid_ctx
));
3137 CRYPTO_add(&ctx
->references
, 1, CRYPTO_LOCK_SSL_CTX
);
3138 if (ssl
->ctx
!= NULL
)
3139 SSL_CTX_free(ssl
->ctx
); /* decrement reference count */
3145 #ifndef OPENSSL_NO_STDIO
3146 int SSL_CTX_set_default_verify_paths(SSL_CTX
*ctx
)
3148 return (X509_STORE_set_default_paths(ctx
->cert_store
));
3151 int SSL_CTX_load_verify_locations(SSL_CTX
*ctx
, const char *CAfile
,
3154 return (X509_STORE_load_locations(ctx
->cert_store
, CAfile
, CApath
));
3158 void SSL_set_info_callback(SSL
*ssl
,
3159 void (*cb
) (const SSL
*ssl
, int type
, int val
))
3161 ssl
->info_callback
= cb
;
3165 * One compiler (Diab DCC) doesn't like argument names in returned function
3168 void (*SSL_get_info_callback(const SSL
*ssl
)) (const SSL
* /* ssl */ ,
3171 return ssl
->info_callback
;
3174 int SSL_state(const SSL
*ssl
)
3176 return (ssl
->state
);
3179 void SSL_set_state(SSL
*ssl
, int state
)
3184 void SSL_set_verify_result(SSL
*ssl
, long arg
)
3186 ssl
->verify_result
= arg
;
3189 long SSL_get_verify_result(const SSL
*ssl
)
3191 return (ssl
->verify_result
);
3194 int SSL_get_ex_new_index(long argl
, void *argp
, CRYPTO_EX_new
*new_func
,
3195 CRYPTO_EX_dup
*dup_func
, CRYPTO_EX_free
*free_func
)
3197 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL
, argl
, argp
,
3198 new_func
, dup_func
, free_func
);
3201 int SSL_set_ex_data(SSL
*s
, int idx
, void *arg
)
3203 return (CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
));
3206 void *SSL_get_ex_data(const SSL
*s
, int idx
)
3208 return (CRYPTO_get_ex_data(&s
->ex_data
, idx
));
3211 int SSL_CTX_get_ex_new_index(long argl
, void *argp
, CRYPTO_EX_new
*new_func
,
3212 CRYPTO_EX_dup
*dup_func
,
3213 CRYPTO_EX_free
*free_func
)
3215 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX
, argl
, argp
,
3216 new_func
, dup_func
, free_func
);
3219 int SSL_CTX_set_ex_data(SSL_CTX
*s
, int idx
, void *arg
)
3221 return (CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
));
3224 void *SSL_CTX_get_ex_data(const SSL_CTX
*s
, int idx
)
3226 return (CRYPTO_get_ex_data(&s
->ex_data
, idx
));
3234 X509_STORE
*SSL_CTX_get_cert_store(const SSL_CTX
*ctx
)
3236 return (ctx
->cert_store
);
3239 void SSL_CTX_set_cert_store(SSL_CTX
*ctx
, X509_STORE
*store
)
3241 if (ctx
->cert_store
!= NULL
)
3242 X509_STORE_free(ctx
->cert_store
);
3243 ctx
->cert_store
= store
;
3246 int SSL_want(const SSL
*s
)
3248 return (s
->rwstate
);
3252 * \brief Set the callback for generating temporary RSA keys.
3253 * \param ctx the SSL context.
3254 * \param cb the callback
3257 #ifndef OPENSSL_NO_RSA
3258 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX
*ctx
, RSA
*(*cb
) (SSL
*ssl
,
3262 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_TMP_RSA_CB
, (void (*)(void))cb
);
3265 void SSL_set_tmp_rsa_callback(SSL
*ssl
, RSA
*(*cb
) (SSL
*ssl
,
3269 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_TMP_RSA_CB
, (void (*)(void))cb
);
3275 * \brief The RSA temporary key callback function.
3276 * \param ssl the SSL session.
3277 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
3278 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
3279 * of the required key in bits.
3280 * \return the temporary RSA key.
3281 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
3284 RSA
*cb(SSL
*ssl
, int is_export
, int keylength
)
3290 * \brief Set the callback for generating temporary DH keys.
3291 * \param ctx the SSL context.
3292 * \param dh the callback
3295 #ifndef OPENSSL_NO_DH
3296 void SSL_CTX_set_tmp_dh_callback(SSL_CTX
*ctx
,
3297 DH
*(*dh
) (SSL
*ssl
, int is_export
,
3300 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_TMP_DH_CB
, (void (*)(void))dh
);
3303 void SSL_set_tmp_dh_callback(SSL
*ssl
, DH
*(*dh
) (SSL
*ssl
, int is_export
,
3306 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_TMP_DH_CB
, (void (*)(void))dh
);
3310 #ifndef OPENSSL_NO_ECDH
3311 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX
*ctx
,
3312 EC_KEY
*(*ecdh
) (SSL
*ssl
, int is_export
,
3315 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_TMP_ECDH_CB
,
3316 (void (*)(void))ecdh
);
3319 void SSL_set_tmp_ecdh_callback(SSL
*ssl
,
3320 EC_KEY
*(*ecdh
) (SSL
*ssl
, int is_export
,
3323 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_TMP_ECDH_CB
, (void (*)(void))ecdh
);
3327 #ifndef OPENSSL_NO_PSK
3328 int SSL_CTX_use_psk_identity_hint(SSL_CTX
*ctx
, const char *identity_hint
)
3330 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
3331 SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT
,
3332 SSL_R_DATA_LENGTH_TOO_LONG
);
3335 if (ctx
->psk_identity_hint
!= NULL
)
3336 OPENSSL_free(ctx
->psk_identity_hint
);
3337 if (identity_hint
!= NULL
) {
3338 ctx
->psk_identity_hint
= BUF_strdup(identity_hint
);
3339 if (ctx
->psk_identity_hint
== NULL
)
3342 ctx
->psk_identity_hint
= NULL
;
3346 int SSL_use_psk_identity_hint(SSL
*s
, const char *identity_hint
)
3351 if (s
->session
== NULL
)
3352 return 1; /* session not created yet, ignored */
3354 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
3355 SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT
, SSL_R_DATA_LENGTH_TOO_LONG
);
3358 if (s
->session
->psk_identity_hint
!= NULL
)
3359 OPENSSL_free(s
->session
->psk_identity_hint
);
3360 if (identity_hint
!= NULL
) {
3361 s
->session
->psk_identity_hint
= BUF_strdup(identity_hint
);
3362 if (s
->session
->psk_identity_hint
== NULL
)
3365 s
->session
->psk_identity_hint
= NULL
;
3369 const char *SSL_get_psk_identity_hint(const SSL
*s
)
3371 if (s
== NULL
|| s
->session
== NULL
)
3373 return (s
->session
->psk_identity_hint
);
3376 const char *SSL_get_psk_identity(const SSL
*s
)
3378 if (s
== NULL
|| s
->session
== NULL
)
3380 return (s
->session
->psk_identity
);
3383 void SSL_set_psk_client_callback(SSL
*s
,
3384 unsigned int (*cb
) (SSL
*ssl
,
3393 s
->psk_client_callback
= cb
;
3396 void SSL_CTX_set_psk_client_callback(SSL_CTX
*ctx
,
3397 unsigned int (*cb
) (SSL
*ssl
,
3406 ctx
->psk_client_callback
= cb
;
3409 void SSL_set_psk_server_callback(SSL
*s
,
3410 unsigned int (*cb
) (SSL
*ssl
,
3411 const char *identity
,
3416 s
->psk_server_callback
= cb
;
3419 void SSL_CTX_set_psk_server_callback(SSL_CTX
*ctx
,
3420 unsigned int (*cb
) (SSL
*ssl
,
3421 const char *identity
,
3426 ctx
->psk_server_callback
= cb
;
3430 void SSL_CTX_set_msg_callback(SSL_CTX
*ctx
,
3431 void (*cb
) (int write_p
, int version
,
3432 int content_type
, const void *buf
,
3433 size_t len
, SSL
*ssl
, void *arg
))
3435 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3438 void SSL_set_msg_callback(SSL
*ssl
,
3439 void (*cb
) (int write_p
, int version
,
3440 int content_type
, const void *buf
,
3441 size_t len
, SSL
*ssl
, void *arg
))
3443 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
3446 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX
*ctx
,
3447 int (*cb
) (SSL
*ssl
,
3451 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3452 (void (*)(void))cb
);
3455 void SSL_set_not_resumable_session_callback(SSL
*ssl
,
3456 int (*cb
) (SSL
*ssl
,
3457 int is_forward_secure
))
3459 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
3460 (void (*)(void))cb
);
3464 * Allocates new EVP_MD_CTX and sets pointer to it into given pointer
3465 * vairable, freeing EVP_MD_CTX previously stored in that variable, if any.
3466 * If EVP_MD pointer is passed, initializes ctx with this md Returns newly
3470 EVP_MD_CTX
*ssl_replace_hash(EVP_MD_CTX
**hash
, const EVP_MD
*md
)
3472 ssl_clear_hash_ctx(hash
);
3473 *hash
= EVP_MD_CTX_create();
3475 EVP_DigestInit_ex(*hash
, md
, NULL
);
3479 void ssl_clear_hash_ctx(EVP_MD_CTX
**hash
)
3483 EVP_MD_CTX_destroy(*hash
);
3487 /* Retrieve handshake hashes */
3488 int ssl_handshake_hash(SSL
*s
, unsigned char *out
, int outlen
)
3490 unsigned char *p
= out
;
3495 EVP_MD_CTX_init(&ctx
);
3496 for (idx
= 0; ssl_get_handshake_digest(idx
, &mask
, &md
); idx
++) {
3497 if (mask
& ssl_get_algorithm2(s
)) {
3498 int hashsize
= EVP_MD_size(md
);
3499 EVP_MD_CTX
*hdgst
= s
->s3
->handshake_dgst
[idx
];
3500 if (!hdgst
|| hashsize
< 0 || hashsize
> outlen
)
3502 if (!EVP_MD_CTX_copy_ex(&ctx
, hdgst
))
3504 if (!EVP_DigestFinal_ex(&ctx
, p
, NULL
))
3512 EVP_MD_CTX_cleanup(&ctx
);
3516 void SSL_set_debug(SSL
*s
, int debug
)
3521 int SSL_cache_hit(SSL
*s
)
3526 int SSL_is_server(SSL
*s
)
3531 void SSL_set_security_level(SSL
*s
, int level
)
3533 s
->cert
->sec_level
= level
;
3536 int SSL_get_security_level(const SSL
*s
)
3538 return s
->cert
->sec_level
;
3541 void SSL_set_security_callback(SSL
*s
,
3542 int (*cb
) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3543 int bits
, int nid
, void *other
,
3546 s
->cert
->sec_cb
= cb
;
3549 int (*SSL_get_security_callback(const SSL
*s
)) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3551 void *other
, void *ex
) {
3552 return s
->cert
->sec_cb
;
3555 void SSL_set0_security_ex_data(SSL
*s
, void *ex
)
3557 s
->cert
->sec_ex
= ex
;
3560 void *SSL_get0_security_ex_data(const SSL
*s
)
3562 return s
->cert
->sec_ex
;
3565 void SSL_CTX_set_security_level(SSL_CTX
*ctx
, int level
)
3567 ctx
->cert
->sec_level
= level
;
3570 int SSL_CTX_get_security_level(const SSL_CTX
*ctx
)
3572 return ctx
->cert
->sec_level
;
3575 void SSL_CTX_set_security_callback(SSL_CTX
*ctx
,
3576 int (*cb
) (SSL
*s
, SSL_CTX
*ctx
, int op
,
3577 int bits
, int nid
, void *other
,
3580 ctx
->cert
->sec_cb
= cb
;
3583 int (*SSL_CTX_get_security_callback(const SSL_CTX
*ctx
)) (SSL
*s
,
3589 return ctx
->cert
->sec_cb
;
3592 void SSL_CTX_set0_security_ex_data(SSL_CTX
*ctx
, void *ex
)
3594 ctx
->cert
->sec_ex
= ex
;
3597 void *SSL_CTX_get0_security_ex_data(const SSL_CTX
*ctx
)
3599 return ctx
->cert
->sec_ex
;
3602 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
, ssl_cipher_id
);